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1/*
2 * Copyright 2014 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#include <drm/drm_edid.h>
25#include <drm/drm_fourcc.h>
26#include <drm/drm_modeset_helper.h>
27#include <drm/drm_modeset_helper_vtables.h>
28#include <drm/drm_vblank.h>
29
30#include "amdgpu.h"
31#include "amdgpu_pm.h"
32#include "amdgpu_i2c.h"
33#include "vid.h"
34#include "atom.h"
35#include "amdgpu_atombios.h"
36#include "atombios_crtc.h"
37#include "atombios_encoders.h"
38#include "amdgpu_pll.h"
39#include "amdgpu_connectors.h"
40#include "amdgpu_display.h"
41#include "dce_v11_0.h"
42
43#include "dce/dce_11_0_d.h"
44#include "dce/dce_11_0_sh_mask.h"
45#include "dce/dce_11_0_enum.h"
46#include "oss/oss_3_0_d.h"
47#include "oss/oss_3_0_sh_mask.h"
48#include "gmc/gmc_8_1_d.h"
49#include "gmc/gmc_8_1_sh_mask.h"
50
51#include "ivsrcid/ivsrcid_vislands30.h"
52
53static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
54static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
55static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev, int hpd);
56
57static const u32 crtc_offsets[] =
58{
59 CRTC0_REGISTER_OFFSET,
60 CRTC1_REGISTER_OFFSET,
61 CRTC2_REGISTER_OFFSET,
62 CRTC3_REGISTER_OFFSET,
63 CRTC4_REGISTER_OFFSET,
64 CRTC5_REGISTER_OFFSET,
65 CRTC6_REGISTER_OFFSET
66};
67
68static const u32 hpd_offsets[] =
69{
70 HPD0_REGISTER_OFFSET,
71 HPD1_REGISTER_OFFSET,
72 HPD2_REGISTER_OFFSET,
73 HPD3_REGISTER_OFFSET,
74 HPD4_REGISTER_OFFSET,
75 HPD5_REGISTER_OFFSET
76};
77
78static const uint32_t dig_offsets[] = {
79 DIG0_REGISTER_OFFSET,
80 DIG1_REGISTER_OFFSET,
81 DIG2_REGISTER_OFFSET,
82 DIG3_REGISTER_OFFSET,
83 DIG4_REGISTER_OFFSET,
84 DIG5_REGISTER_OFFSET,
85 DIG6_REGISTER_OFFSET,
86 DIG7_REGISTER_OFFSET,
87 DIG8_REGISTER_OFFSET
88};
89
90static const struct {
91 uint32_t reg;
92 uint32_t vblank;
93 uint32_t vline;
94 uint32_t hpd;
95
96} interrupt_status_offsets[] = { {
97 .reg = mmDISP_INTERRUPT_STATUS,
98 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
99 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
100 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
101}, {
102 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
103 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
104 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
105 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
106}, {
107 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
108 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
109 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
110 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
111}, {
112 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
113 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
114 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
115 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
116}, {
117 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
118 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
119 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
120 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
121}, {
122 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
123 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
124 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
125 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
126} };
127
128static const u32 cz_golden_settings_a11[] =
129{
130 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
131 mmFBC_MISC, 0x1f311fff, 0x14300000,
132};
133
134static const u32 cz_mgcg_cgcg_init[] =
135{
136 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
137 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
138};
139
140static const u32 stoney_golden_settings_a11[] =
141{
142 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
143 mmFBC_MISC, 0x1f311fff, 0x14302000,
144};
145
146static const u32 polaris11_golden_settings_a11[] =
147{
148 mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
149 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
150 mmFBC_DEBUG1, 0xffffffff, 0x00000008,
151 mmFBC_MISC, 0x9f313fff, 0x14302008,
152 mmHDMI_CONTROL, 0x313f031f, 0x00000011,
153};
154
155static const u32 polaris10_golden_settings_a11[] =
156{
157 mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
158 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
159 mmFBC_MISC, 0x9f313fff, 0x14302008,
160 mmHDMI_CONTROL, 0x313f031f, 0x00000011,
161};
162
163static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
164{
165 switch (adev->asic_type) {
166 case CHIP_CARRIZO:
167 amdgpu_device_program_register_sequence(adev,
168 cz_mgcg_cgcg_init,
169 ARRAY_SIZE(cz_mgcg_cgcg_init));
170 amdgpu_device_program_register_sequence(adev,
171 cz_golden_settings_a11,
172 ARRAY_SIZE(cz_golden_settings_a11));
173 break;
174 case CHIP_STONEY:
175 amdgpu_device_program_register_sequence(adev,
176 stoney_golden_settings_a11,
177 ARRAY_SIZE(stoney_golden_settings_a11));
178 break;
179 case CHIP_POLARIS11:
180 case CHIP_POLARIS12:
181 amdgpu_device_program_register_sequence(adev,
182 polaris11_golden_settings_a11,
183 ARRAY_SIZE(polaris11_golden_settings_a11));
184 break;
185 case CHIP_POLARIS10:
186 case CHIP_VEGAM:
187 amdgpu_device_program_register_sequence(adev,
188 polaris10_golden_settings_a11,
189 ARRAY_SIZE(polaris10_golden_settings_a11));
190 break;
191 default:
192 break;
193 }
194}
195
196static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
197 u32 block_offset, u32 reg)
198{
199 unsigned long flags;
200 u32 r;
201
202 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
203 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
204 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
205 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
206
207 return r;
208}
209
210static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
211 u32 block_offset, u32 reg, u32 v)
212{
213 unsigned long flags;
214
215 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
216 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
217 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
218 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
219}
220
221static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
222{
223 if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
224 return 0;
225 else
226 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
227}
228
229static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
230{
231 unsigned i;
232
233 /* Enable pflip interrupts */
234 for (i = 0; i < adev->mode_info.num_crtc; i++)
235 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
236}
237
238static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
239{
240 unsigned i;
241
242 /* Disable pflip interrupts */
243 for (i = 0; i < adev->mode_info.num_crtc; i++)
244 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
245}
246
247/**
248 * dce_v11_0_page_flip - pageflip callback.
249 *
250 * @adev: amdgpu_device pointer
251 * @crtc_id: crtc to cleanup pageflip on
252 * @crtc_base: new address of the crtc (GPU MC address)
253 * @async: asynchronous flip
254 *
255 * Triggers the actual pageflip by updating the primary
256 * surface base address.
257 */
258static void dce_v11_0_page_flip(struct amdgpu_device *adev,
259 int crtc_id, u64 crtc_base, bool async)
260{
261 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
262 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
263 u32 tmp;
264
265 /* flip immediate for async, default is vsync */
266 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
267 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
268 GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
269 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
270 /* update pitch */
271 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
272 fb->pitches[0] / fb->format->cpp[0]);
273 /* update the scanout addresses */
274 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
275 upper_32_bits(crtc_base));
276 /* writing to the low address triggers the update */
277 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
278 lower_32_bits(crtc_base));
279 /* post the write */
280 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
281}
282
283static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
284 u32 *vbl, u32 *position)
285{
286 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
287 return -EINVAL;
288
289 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
290 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
291
292 return 0;
293}
294
295/**
296 * dce_v11_0_hpd_sense - hpd sense callback.
297 *
298 * @adev: amdgpu_device pointer
299 * @hpd: hpd (hotplug detect) pin
300 *
301 * Checks if a digital monitor is connected (evergreen+).
302 * Returns true if connected, false if not connected.
303 */
304static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
305 enum amdgpu_hpd_id hpd)
306{
307 bool connected = false;
308
309 if (hpd >= adev->mode_info.num_hpd)
310 return connected;
311
312 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
313 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
314 connected = true;
315
316 return connected;
317}
318
319/**
320 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
321 *
322 * @adev: amdgpu_device pointer
323 * @hpd: hpd (hotplug detect) pin
324 *
325 * Set the polarity of the hpd pin (evergreen+).
326 */
327static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
328 enum amdgpu_hpd_id hpd)
329{
330 u32 tmp;
331 bool connected = dce_v11_0_hpd_sense(adev, hpd);
332
333 if (hpd >= adev->mode_info.num_hpd)
334 return;
335
336 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
337 if (connected)
338 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
339 else
340 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
341 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
342}
343
344/**
345 * dce_v11_0_hpd_init - hpd setup callback.
346 *
347 * @adev: amdgpu_device pointer
348 *
349 * Setup the hpd pins used by the card (evergreen+).
350 * Enable the pin, set the polarity, and enable the hpd interrupts.
351 */
352static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
353{
354 struct drm_device *dev = adev_to_drm(adev);
355 struct drm_connector *connector;
356 struct drm_connector_list_iter iter;
357 u32 tmp;
358
359 drm_connector_list_iter_begin(dev, &iter);
360 drm_for_each_connector_iter(connector, &iter) {
361 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
362
363 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
364 continue;
365
366 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
367 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
368 /* don't try to enable hpd on eDP or LVDS avoid breaking the
369 * aux dp channel on imac and help (but not completely fix)
370 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
371 * also avoid interrupt storms during dpms.
372 */
373 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
374 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
375 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
376 continue;
377 }
378
379 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
380 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
381 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
382
383 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
384 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
385 DC_HPD_CONNECT_INT_DELAY,
386 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
387 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
388 DC_HPD_DISCONNECT_INT_DELAY,
389 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
390 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
391
392 dce_v11_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
393 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
394 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
395 }
396 drm_connector_list_iter_end(&iter);
397}
398
399/**
400 * dce_v11_0_hpd_fini - hpd tear down callback.
401 *
402 * @adev: amdgpu_device pointer
403 *
404 * Tear down the hpd pins used by the card (evergreen+).
405 * Disable the hpd interrupts.
406 */
407static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
408{
409 struct drm_device *dev = adev_to_drm(adev);
410 struct drm_connector *connector;
411 struct drm_connector_list_iter iter;
412 u32 tmp;
413
414 drm_connector_list_iter_begin(dev, &iter);
415 drm_for_each_connector_iter(connector, &iter) {
416 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
417
418 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
419 continue;
420
421 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
422 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
423 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
424
425 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
426 }
427 drm_connector_list_iter_end(&iter);
428}
429
430static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
431{
432 return mmDC_GPIO_HPD_A;
433}
434
435static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
436{
437 u32 crtc_hung = 0;
438 u32 crtc_status[6];
439 u32 i, j, tmp;
440
441 for (i = 0; i < adev->mode_info.num_crtc; i++) {
442 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
443 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
444 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
445 crtc_hung |= (1 << i);
446 }
447 }
448
449 for (j = 0; j < 10; j++) {
450 for (i = 0; i < adev->mode_info.num_crtc; i++) {
451 if (crtc_hung & (1 << i)) {
452 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
453 if (tmp != crtc_status[i])
454 crtc_hung &= ~(1 << i);
455 }
456 }
457 if (crtc_hung == 0)
458 return false;
459 udelay(100);
460 }
461
462 return true;
463}
464
465static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
466 bool render)
467{
468 u32 tmp;
469
470 /* Lockout access through VGA aperture*/
471 tmp = RREG32(mmVGA_HDP_CONTROL);
472 if (render)
473 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
474 else
475 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
476 WREG32(mmVGA_HDP_CONTROL, tmp);
477
478 /* disable VGA render */
479 tmp = RREG32(mmVGA_RENDER_CONTROL);
480 if (render)
481 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
482 else
483 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
484 WREG32(mmVGA_RENDER_CONTROL, tmp);
485}
486
487static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
488{
489 int num_crtc = 0;
490
491 switch (adev->asic_type) {
492 case CHIP_CARRIZO:
493 num_crtc = 3;
494 break;
495 case CHIP_STONEY:
496 num_crtc = 2;
497 break;
498 case CHIP_POLARIS10:
499 case CHIP_VEGAM:
500 num_crtc = 6;
501 break;
502 case CHIP_POLARIS11:
503 case CHIP_POLARIS12:
504 num_crtc = 5;
505 break;
506 default:
507 num_crtc = 0;
508 }
509 return num_crtc;
510}
511
512void dce_v11_0_disable_dce(struct amdgpu_device *adev)
513{
514 /*Disable VGA render and enabled crtc, if has DCE engine*/
515 if (amdgpu_atombios_has_dce_engine_info(adev)) {
516 u32 tmp;
517 int crtc_enabled, i;
518
519 dce_v11_0_set_vga_render_state(adev, false);
520
521 /*Disable crtc*/
522 for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
523 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
524 CRTC_CONTROL, CRTC_MASTER_EN);
525 if (crtc_enabled) {
526 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
527 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
528 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
529 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
530 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
531 }
532 }
533 }
534}
535
536static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
537{
538 struct drm_device *dev = encoder->dev;
539 struct amdgpu_device *adev = drm_to_adev(dev);
540 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
541 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
542 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
543 int bpc = 0;
544 u32 tmp = 0;
545 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
546
547 if (connector) {
548 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
549 bpc = amdgpu_connector_get_monitor_bpc(connector);
550 dither = amdgpu_connector->dither;
551 }
552
553 /* LVDS/eDP FMT is set up by atom */
554 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
555 return;
556
557 /* not needed for analog */
558 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
559 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
560 return;
561
562 if (bpc == 0)
563 return;
564
565 switch (bpc) {
566 case 6:
567 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
568 /* XXX sort out optimal dither settings */
569 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
570 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
571 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
572 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
573 } else {
574 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
575 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
576 }
577 break;
578 case 8:
579 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
580 /* XXX sort out optimal dither settings */
581 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
582 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
583 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
584 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
585 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
586 } else {
587 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
588 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
589 }
590 break;
591 case 10:
592 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
593 /* XXX sort out optimal dither settings */
594 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
595 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
596 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
597 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
598 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
599 } else {
600 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
601 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
602 }
603 break;
604 default:
605 /* not needed */
606 break;
607 }
608
609 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
610}
611
612
613/* display watermark setup */
614/**
615 * dce_v11_0_line_buffer_adjust - Set up the line buffer
616 *
617 * @adev: amdgpu_device pointer
618 * @amdgpu_crtc: the selected display controller
619 * @mode: the current display mode on the selected display
620 * controller
621 *
622 * Setup up the line buffer allocation for
623 * the selected display controller (CIK).
624 * Returns the line buffer size in pixels.
625 */
626static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
627 struct amdgpu_crtc *amdgpu_crtc,
628 struct drm_display_mode *mode)
629{
630 u32 tmp, buffer_alloc, i, mem_cfg;
631 u32 pipe_offset = amdgpu_crtc->crtc_id;
632 /*
633 * Line Buffer Setup
634 * There are 6 line buffers, one for each display controllers.
635 * There are 3 partitions per LB. Select the number of partitions
636 * to enable based on the display width. For display widths larger
637 * than 4096, you need use to use 2 display controllers and combine
638 * them using the stereo blender.
639 */
640 if (amdgpu_crtc->base.enabled && mode) {
641 if (mode->crtc_hdisplay < 1920) {
642 mem_cfg = 1;
643 buffer_alloc = 2;
644 } else if (mode->crtc_hdisplay < 2560) {
645 mem_cfg = 2;
646 buffer_alloc = 2;
647 } else if (mode->crtc_hdisplay < 4096) {
648 mem_cfg = 0;
649 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
650 } else {
651 DRM_DEBUG_KMS("Mode too big for LB!\n");
652 mem_cfg = 0;
653 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
654 }
655 } else {
656 mem_cfg = 1;
657 buffer_alloc = 0;
658 }
659
660 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
661 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
662 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
663
664 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
665 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
666 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
667
668 for (i = 0; i < adev->usec_timeout; i++) {
669 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
670 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
671 break;
672 udelay(1);
673 }
674
675 if (amdgpu_crtc->base.enabled && mode) {
676 switch (mem_cfg) {
677 case 0:
678 default:
679 return 4096 * 2;
680 case 1:
681 return 1920 * 2;
682 case 2:
683 return 2560 * 2;
684 }
685 }
686
687 /* controller not enabled, so no lb used */
688 return 0;
689}
690
691/**
692 * cik_get_number_of_dram_channels - get the number of dram channels
693 *
694 * @adev: amdgpu_device pointer
695 *
696 * Look up the number of video ram channels (CIK).
697 * Used for display watermark bandwidth calculations
698 * Returns the number of dram channels
699 */
700static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
701{
702 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
703
704 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
705 case 0:
706 default:
707 return 1;
708 case 1:
709 return 2;
710 case 2:
711 return 4;
712 case 3:
713 return 8;
714 case 4:
715 return 3;
716 case 5:
717 return 6;
718 case 6:
719 return 10;
720 case 7:
721 return 12;
722 case 8:
723 return 16;
724 }
725}
726
727struct dce10_wm_params {
728 u32 dram_channels; /* number of dram channels */
729 u32 yclk; /* bandwidth per dram data pin in kHz */
730 u32 sclk; /* engine clock in kHz */
731 u32 disp_clk; /* display clock in kHz */
732 u32 src_width; /* viewport width */
733 u32 active_time; /* active display time in ns */
734 u32 blank_time; /* blank time in ns */
735 bool interlaced; /* mode is interlaced */
736 fixed20_12 vsc; /* vertical scale ratio */
737 u32 num_heads; /* number of active crtcs */
738 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
739 u32 lb_size; /* line buffer allocated to pipe */
740 u32 vtaps; /* vertical scaler taps */
741};
742
743/**
744 * dce_v11_0_dram_bandwidth - get the dram bandwidth
745 *
746 * @wm: watermark calculation data
747 *
748 * Calculate the raw dram bandwidth (CIK).
749 * Used for display watermark bandwidth calculations
750 * Returns the dram bandwidth in MBytes/s
751 */
752static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
753{
754 /* Calculate raw DRAM Bandwidth */
755 fixed20_12 dram_efficiency; /* 0.7 */
756 fixed20_12 yclk, dram_channels, bandwidth;
757 fixed20_12 a;
758
759 a.full = dfixed_const(1000);
760 yclk.full = dfixed_const(wm->yclk);
761 yclk.full = dfixed_div(yclk, a);
762 dram_channels.full = dfixed_const(wm->dram_channels * 4);
763 a.full = dfixed_const(10);
764 dram_efficiency.full = dfixed_const(7);
765 dram_efficiency.full = dfixed_div(dram_efficiency, a);
766 bandwidth.full = dfixed_mul(dram_channels, yclk);
767 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
768
769 return dfixed_trunc(bandwidth);
770}
771
772/**
773 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
774 *
775 * @wm: watermark calculation data
776 *
777 * Calculate the dram bandwidth used for display (CIK).
778 * Used for display watermark bandwidth calculations
779 * Returns the dram bandwidth for display in MBytes/s
780 */
781static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
782{
783 /* Calculate DRAM Bandwidth and the part allocated to display. */
784 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
785 fixed20_12 yclk, dram_channels, bandwidth;
786 fixed20_12 a;
787
788 a.full = dfixed_const(1000);
789 yclk.full = dfixed_const(wm->yclk);
790 yclk.full = dfixed_div(yclk, a);
791 dram_channels.full = dfixed_const(wm->dram_channels * 4);
792 a.full = dfixed_const(10);
793 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
794 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
795 bandwidth.full = dfixed_mul(dram_channels, yclk);
796 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
797
798 return dfixed_trunc(bandwidth);
799}
800
801/**
802 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
803 *
804 * @wm: watermark calculation data
805 *
806 * Calculate the data return bandwidth used for display (CIK).
807 * Used for display watermark bandwidth calculations
808 * Returns the data return bandwidth in MBytes/s
809 */
810static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
811{
812 /* Calculate the display Data return Bandwidth */
813 fixed20_12 return_efficiency; /* 0.8 */
814 fixed20_12 sclk, bandwidth;
815 fixed20_12 a;
816
817 a.full = dfixed_const(1000);
818 sclk.full = dfixed_const(wm->sclk);
819 sclk.full = dfixed_div(sclk, a);
820 a.full = dfixed_const(10);
821 return_efficiency.full = dfixed_const(8);
822 return_efficiency.full = dfixed_div(return_efficiency, a);
823 a.full = dfixed_const(32);
824 bandwidth.full = dfixed_mul(a, sclk);
825 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
826
827 return dfixed_trunc(bandwidth);
828}
829
830/**
831 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
832 *
833 * @wm: watermark calculation data
834 *
835 * Calculate the dmif bandwidth used for display (CIK).
836 * Used for display watermark bandwidth calculations
837 * Returns the dmif bandwidth in MBytes/s
838 */
839static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
840{
841 /* Calculate the DMIF Request Bandwidth */
842 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
843 fixed20_12 disp_clk, bandwidth;
844 fixed20_12 a, b;
845
846 a.full = dfixed_const(1000);
847 disp_clk.full = dfixed_const(wm->disp_clk);
848 disp_clk.full = dfixed_div(disp_clk, a);
849 a.full = dfixed_const(32);
850 b.full = dfixed_mul(a, disp_clk);
851
852 a.full = dfixed_const(10);
853 disp_clk_request_efficiency.full = dfixed_const(8);
854 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
855
856 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
857
858 return dfixed_trunc(bandwidth);
859}
860
861/**
862 * dce_v11_0_available_bandwidth - get the min available bandwidth
863 *
864 * @wm: watermark calculation data
865 *
866 * Calculate the min available bandwidth used for display (CIK).
867 * Used for display watermark bandwidth calculations
868 * Returns the min available bandwidth in MBytes/s
869 */
870static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
871{
872 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
873 u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
874 u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
875 u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
876
877 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
878}
879
880/**
881 * dce_v11_0_average_bandwidth - get the average available bandwidth
882 *
883 * @wm: watermark calculation data
884 *
885 * Calculate the average available bandwidth used for display (CIK).
886 * Used for display watermark bandwidth calculations
887 * Returns the average available bandwidth in MBytes/s
888 */
889static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
890{
891 /* Calculate the display mode Average Bandwidth
892 * DisplayMode should contain the source and destination dimensions,
893 * timing, etc.
894 */
895 fixed20_12 bpp;
896 fixed20_12 line_time;
897 fixed20_12 src_width;
898 fixed20_12 bandwidth;
899 fixed20_12 a;
900
901 a.full = dfixed_const(1000);
902 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
903 line_time.full = dfixed_div(line_time, a);
904 bpp.full = dfixed_const(wm->bytes_per_pixel);
905 src_width.full = dfixed_const(wm->src_width);
906 bandwidth.full = dfixed_mul(src_width, bpp);
907 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
908 bandwidth.full = dfixed_div(bandwidth, line_time);
909
910 return dfixed_trunc(bandwidth);
911}
912
913/**
914 * dce_v11_0_latency_watermark - get the latency watermark
915 *
916 * @wm: watermark calculation data
917 *
918 * Calculate the latency watermark (CIK).
919 * Used for display watermark bandwidth calculations
920 * Returns the latency watermark in ns
921 */
922static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
923{
924 /* First calculate the latency in ns */
925 u32 mc_latency = 2000; /* 2000 ns. */
926 u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
927 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
928 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
929 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
930 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
931 (wm->num_heads * cursor_line_pair_return_time);
932 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
933 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
934 u32 tmp, dmif_size = 12288;
935 fixed20_12 a, b, c;
936
937 if (wm->num_heads == 0)
938 return 0;
939
940 a.full = dfixed_const(2);
941 b.full = dfixed_const(1);
942 if ((wm->vsc.full > a.full) ||
943 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
944 (wm->vtaps >= 5) ||
945 ((wm->vsc.full >= a.full) && wm->interlaced))
946 max_src_lines_per_dst_line = 4;
947 else
948 max_src_lines_per_dst_line = 2;
949
950 a.full = dfixed_const(available_bandwidth);
951 b.full = dfixed_const(wm->num_heads);
952 a.full = dfixed_div(a, b);
953 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
954 tmp = min(dfixed_trunc(a), tmp);
955
956 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
957
958 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
959 b.full = dfixed_const(1000);
960 c.full = dfixed_const(lb_fill_bw);
961 b.full = dfixed_div(c, b);
962 a.full = dfixed_div(a, b);
963 line_fill_time = dfixed_trunc(a);
964
965 if (line_fill_time < wm->active_time)
966 return latency;
967 else
968 return latency + (line_fill_time - wm->active_time);
969
970}
971
972/**
973 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
974 * average and available dram bandwidth
975 *
976 * @wm: watermark calculation data
977 *
978 * Check if the display average bandwidth fits in the display
979 * dram bandwidth (CIK).
980 * Used for display watermark bandwidth calculations
981 * Returns true if the display fits, false if not.
982 */
983static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
984{
985 if (dce_v11_0_average_bandwidth(wm) <=
986 (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
987 return true;
988 else
989 return false;
990}
991
992/**
993 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
994 * average and available bandwidth
995 *
996 * @wm: watermark calculation data
997 *
998 * Check if the display average bandwidth fits in the display
999 * available bandwidth (CIK).
1000 * Used for display watermark bandwidth calculations
1001 * Returns true if the display fits, false if not.
1002 */
1003static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1004{
1005 if (dce_v11_0_average_bandwidth(wm) <=
1006 (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1007 return true;
1008 else
1009 return false;
1010}
1011
1012/**
1013 * dce_v11_0_check_latency_hiding - check latency hiding
1014 *
1015 * @wm: watermark calculation data
1016 *
1017 * Check latency hiding (CIK).
1018 * Used for display watermark bandwidth calculations
1019 * Returns true if the display fits, false if not.
1020 */
1021static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1022{
1023 u32 lb_partitions = wm->lb_size / wm->src_width;
1024 u32 line_time = wm->active_time + wm->blank_time;
1025 u32 latency_tolerant_lines;
1026 u32 latency_hiding;
1027 fixed20_12 a;
1028
1029 a.full = dfixed_const(1);
1030 if (wm->vsc.full > a.full)
1031 latency_tolerant_lines = 1;
1032 else {
1033 if (lb_partitions <= (wm->vtaps + 1))
1034 latency_tolerant_lines = 1;
1035 else
1036 latency_tolerant_lines = 2;
1037 }
1038
1039 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1040
1041 if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1042 return true;
1043 else
1044 return false;
1045}
1046
1047/**
1048 * dce_v11_0_program_watermarks - program display watermarks
1049 *
1050 * @adev: amdgpu_device pointer
1051 * @amdgpu_crtc: the selected display controller
1052 * @lb_size: line buffer size
1053 * @num_heads: number of display controllers in use
1054 *
1055 * Calculate and program the display watermarks for the
1056 * selected display controller (CIK).
1057 */
1058static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1059 struct amdgpu_crtc *amdgpu_crtc,
1060 u32 lb_size, u32 num_heads)
1061{
1062 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1063 struct dce10_wm_params wm_low, wm_high;
1064 u32 active_time;
1065 u32 line_time = 0;
1066 u32 latency_watermark_a = 0, latency_watermark_b = 0;
1067 u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1068
1069 if (amdgpu_crtc->base.enabled && num_heads && mode) {
1070 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1071 (u32)mode->clock);
1072 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1073 (u32)mode->clock);
1074 line_time = min_t(u32, line_time, 65535);
1075
1076 /* watermark for high clocks */
1077 if (adev->pm.dpm_enabled) {
1078 wm_high.yclk =
1079 amdgpu_dpm_get_mclk(adev, false) * 10;
1080 wm_high.sclk =
1081 amdgpu_dpm_get_sclk(adev, false) * 10;
1082 } else {
1083 wm_high.yclk = adev->pm.current_mclk * 10;
1084 wm_high.sclk = adev->pm.current_sclk * 10;
1085 }
1086
1087 wm_high.disp_clk = mode->clock;
1088 wm_high.src_width = mode->crtc_hdisplay;
1089 wm_high.active_time = active_time;
1090 wm_high.blank_time = line_time - wm_high.active_time;
1091 wm_high.interlaced = false;
1092 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1093 wm_high.interlaced = true;
1094 wm_high.vsc = amdgpu_crtc->vsc;
1095 wm_high.vtaps = 1;
1096 if (amdgpu_crtc->rmx_type != RMX_OFF)
1097 wm_high.vtaps = 2;
1098 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1099 wm_high.lb_size = lb_size;
1100 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1101 wm_high.num_heads = num_heads;
1102
1103 /* set for high clocks */
1104 latency_watermark_a = min_t(u32, dce_v11_0_latency_watermark(&wm_high), 65535);
1105
1106 /* possibly force display priority to high */
1107 /* should really do this at mode validation time... */
1108 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1109 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1110 !dce_v11_0_check_latency_hiding(&wm_high) ||
1111 (adev->mode_info.disp_priority == 2)) {
1112 DRM_DEBUG_KMS("force priority to high\n");
1113 }
1114
1115 /* watermark for low clocks */
1116 if (adev->pm.dpm_enabled) {
1117 wm_low.yclk =
1118 amdgpu_dpm_get_mclk(adev, true) * 10;
1119 wm_low.sclk =
1120 amdgpu_dpm_get_sclk(adev, true) * 10;
1121 } else {
1122 wm_low.yclk = adev->pm.current_mclk * 10;
1123 wm_low.sclk = adev->pm.current_sclk * 10;
1124 }
1125
1126 wm_low.disp_clk = mode->clock;
1127 wm_low.src_width = mode->crtc_hdisplay;
1128 wm_low.active_time = active_time;
1129 wm_low.blank_time = line_time - wm_low.active_time;
1130 wm_low.interlaced = false;
1131 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1132 wm_low.interlaced = true;
1133 wm_low.vsc = amdgpu_crtc->vsc;
1134 wm_low.vtaps = 1;
1135 if (amdgpu_crtc->rmx_type != RMX_OFF)
1136 wm_low.vtaps = 2;
1137 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1138 wm_low.lb_size = lb_size;
1139 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1140 wm_low.num_heads = num_heads;
1141
1142 /* set for low clocks */
1143 latency_watermark_b = min_t(u32, dce_v11_0_latency_watermark(&wm_low), 65535);
1144
1145 /* possibly force display priority to high */
1146 /* should really do this at mode validation time... */
1147 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1148 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1149 !dce_v11_0_check_latency_hiding(&wm_low) ||
1150 (adev->mode_info.disp_priority == 2)) {
1151 DRM_DEBUG_KMS("force priority to high\n");
1152 }
1153 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1154 }
1155
1156 /* select wm A */
1157 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1158 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1159 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1160 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1161 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1162 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1163 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1164 /* select wm B */
1165 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1166 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1167 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1168 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1169 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1170 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1171 /* restore original selection */
1172 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1173
1174 /* save values for DPM */
1175 amdgpu_crtc->line_time = line_time;
1176 amdgpu_crtc->wm_high = latency_watermark_a;
1177 amdgpu_crtc->wm_low = latency_watermark_b;
1178 /* Save number of lines the linebuffer leads before the scanout */
1179 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1180}
1181
1182/**
1183 * dce_v11_0_bandwidth_update - program display watermarks
1184 *
1185 * @adev: amdgpu_device pointer
1186 *
1187 * Calculate and program the display watermarks and line
1188 * buffer allocation (CIK).
1189 */
1190static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1191{
1192 struct drm_display_mode *mode = NULL;
1193 u32 num_heads = 0, lb_size;
1194 int i;
1195
1196 amdgpu_display_update_priority(adev);
1197
1198 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1199 if (adev->mode_info.crtcs[i]->base.enabled)
1200 num_heads++;
1201 }
1202 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1203 mode = &adev->mode_info.crtcs[i]->base.mode;
1204 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1205 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1206 lb_size, num_heads);
1207 }
1208}
1209
1210static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1211{
1212 int i;
1213 u32 offset, tmp;
1214
1215 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1216 offset = adev->mode_info.audio.pin[i].offset;
1217 tmp = RREG32_AUDIO_ENDPT(offset,
1218 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1219 if (((tmp &
1220 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1221 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1222 adev->mode_info.audio.pin[i].connected = false;
1223 else
1224 adev->mode_info.audio.pin[i].connected = true;
1225 }
1226}
1227
1228static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1229{
1230 int i;
1231
1232 dce_v11_0_audio_get_connected_pins(adev);
1233
1234 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1235 if (adev->mode_info.audio.pin[i].connected)
1236 return &adev->mode_info.audio.pin[i];
1237 }
1238 DRM_ERROR("No connected audio pins found!\n");
1239 return NULL;
1240}
1241
1242static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1243{
1244 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1245 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1246 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1247 u32 tmp;
1248
1249 if (!dig || !dig->afmt || !dig->afmt->pin)
1250 return;
1251
1252 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1253 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1254 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1255}
1256
1257static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1258 struct drm_display_mode *mode)
1259{
1260 struct drm_device *dev = encoder->dev;
1261 struct amdgpu_device *adev = drm_to_adev(dev);
1262 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1263 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1264 struct drm_connector *connector;
1265 struct drm_connector_list_iter iter;
1266 struct amdgpu_connector *amdgpu_connector = NULL;
1267 u32 tmp;
1268 int interlace = 0;
1269
1270 if (!dig || !dig->afmt || !dig->afmt->pin)
1271 return;
1272
1273 drm_connector_list_iter_begin(dev, &iter);
1274 drm_for_each_connector_iter(connector, &iter) {
1275 if (connector->encoder == encoder) {
1276 amdgpu_connector = to_amdgpu_connector(connector);
1277 break;
1278 }
1279 }
1280 drm_connector_list_iter_end(&iter);
1281
1282 if (!amdgpu_connector) {
1283 DRM_ERROR("Couldn't find encoder's connector\n");
1284 return;
1285 }
1286
1287 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1288 interlace = 1;
1289 if (connector->latency_present[interlace]) {
1290 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1291 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1292 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1293 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1294 } else {
1295 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1296 VIDEO_LIPSYNC, 0);
1297 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1298 AUDIO_LIPSYNC, 0);
1299 }
1300 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1301 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1302}
1303
1304static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1305{
1306 struct drm_device *dev = encoder->dev;
1307 struct amdgpu_device *adev = drm_to_adev(dev);
1308 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1309 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1310 struct drm_connector *connector;
1311 struct drm_connector_list_iter iter;
1312 struct amdgpu_connector *amdgpu_connector = NULL;
1313 u32 tmp;
1314 u8 *sadb = NULL;
1315 int sad_count;
1316
1317 if (!dig || !dig->afmt || !dig->afmt->pin)
1318 return;
1319
1320 drm_connector_list_iter_begin(dev, &iter);
1321 drm_for_each_connector_iter(connector, &iter) {
1322 if (connector->encoder == encoder) {
1323 amdgpu_connector = to_amdgpu_connector(connector);
1324 break;
1325 }
1326 }
1327 drm_connector_list_iter_end(&iter);
1328
1329 if (!amdgpu_connector) {
1330 DRM_ERROR("Couldn't find encoder's connector\n");
1331 return;
1332 }
1333
1334 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1335 if (sad_count < 0) {
1336 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1337 sad_count = 0;
1338 }
1339
1340 /* program the speaker allocation */
1341 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1342 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1343 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1344 DP_CONNECTION, 0);
1345 /* set HDMI mode */
1346 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1347 HDMI_CONNECTION, 1);
1348 if (sad_count)
1349 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1350 SPEAKER_ALLOCATION, sadb[0]);
1351 else
1352 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1353 SPEAKER_ALLOCATION, 5); /* stereo */
1354 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1355 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1356
1357 kfree(sadb);
1358}
1359
1360static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1361{
1362 struct drm_device *dev = encoder->dev;
1363 struct amdgpu_device *adev = drm_to_adev(dev);
1364 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1365 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1366 struct drm_connector *connector;
1367 struct drm_connector_list_iter iter;
1368 struct amdgpu_connector *amdgpu_connector = NULL;
1369 struct cea_sad *sads;
1370 int i, sad_count;
1371
1372 static const u16 eld_reg_to_type[][2] = {
1373 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1374 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1375 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1376 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1377 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1378 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1379 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1380 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1381 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1382 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1383 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1384 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1385 };
1386
1387 if (!dig || !dig->afmt || !dig->afmt->pin)
1388 return;
1389
1390 drm_connector_list_iter_begin(dev, &iter);
1391 drm_for_each_connector_iter(connector, &iter) {
1392 if (connector->encoder == encoder) {
1393 amdgpu_connector = to_amdgpu_connector(connector);
1394 break;
1395 }
1396 }
1397 drm_connector_list_iter_end(&iter);
1398
1399 if (!amdgpu_connector) {
1400 DRM_ERROR("Couldn't find encoder's connector\n");
1401 return;
1402 }
1403
1404 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1405 if (sad_count < 0)
1406 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1407 if (sad_count <= 0)
1408 return;
1409 BUG_ON(!sads);
1410
1411 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1412 u32 tmp = 0;
1413 u8 stereo_freqs = 0;
1414 int max_channels = -1;
1415 int j;
1416
1417 for (j = 0; j < sad_count; j++) {
1418 struct cea_sad *sad = &sads[j];
1419
1420 if (sad->format == eld_reg_to_type[i][1]) {
1421 if (sad->channels > max_channels) {
1422 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1423 MAX_CHANNELS, sad->channels);
1424 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1425 DESCRIPTOR_BYTE_2, sad->byte2);
1426 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1427 SUPPORTED_FREQUENCIES, sad->freq);
1428 max_channels = sad->channels;
1429 }
1430
1431 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1432 stereo_freqs |= sad->freq;
1433 else
1434 break;
1435 }
1436 }
1437
1438 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1439 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1440 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1441 }
1442
1443 kfree(sads);
1444}
1445
1446static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1447 struct amdgpu_audio_pin *pin,
1448 bool enable)
1449{
1450 if (!pin)
1451 return;
1452
1453 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1454 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1455}
1456
1457static const u32 pin_offsets[] =
1458{
1459 AUD0_REGISTER_OFFSET,
1460 AUD1_REGISTER_OFFSET,
1461 AUD2_REGISTER_OFFSET,
1462 AUD3_REGISTER_OFFSET,
1463 AUD4_REGISTER_OFFSET,
1464 AUD5_REGISTER_OFFSET,
1465 AUD6_REGISTER_OFFSET,
1466 AUD7_REGISTER_OFFSET,
1467};
1468
1469static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1470{
1471 int i;
1472
1473 if (!amdgpu_audio)
1474 return 0;
1475
1476 adev->mode_info.audio.enabled = true;
1477
1478 switch (adev->asic_type) {
1479 case CHIP_CARRIZO:
1480 case CHIP_STONEY:
1481 adev->mode_info.audio.num_pins = 7;
1482 break;
1483 case CHIP_POLARIS10:
1484 case CHIP_VEGAM:
1485 adev->mode_info.audio.num_pins = 8;
1486 break;
1487 case CHIP_POLARIS11:
1488 case CHIP_POLARIS12:
1489 adev->mode_info.audio.num_pins = 6;
1490 break;
1491 default:
1492 return -EINVAL;
1493 }
1494
1495 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1496 adev->mode_info.audio.pin[i].channels = -1;
1497 adev->mode_info.audio.pin[i].rate = -1;
1498 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1499 adev->mode_info.audio.pin[i].status_bits = 0;
1500 adev->mode_info.audio.pin[i].category_code = 0;
1501 adev->mode_info.audio.pin[i].connected = false;
1502 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1503 adev->mode_info.audio.pin[i].id = i;
1504 /* disable audio. it will be set up later */
1505 /* XXX remove once we switch to ip funcs */
1506 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1507 }
1508
1509 return 0;
1510}
1511
1512static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1513{
1514 int i;
1515
1516 if (!amdgpu_audio)
1517 return;
1518
1519 if (!adev->mode_info.audio.enabled)
1520 return;
1521
1522 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1523 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1524
1525 adev->mode_info.audio.enabled = false;
1526}
1527
1528/*
1529 * update the N and CTS parameters for a given pixel clock rate
1530 */
1531static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1532{
1533 struct drm_device *dev = encoder->dev;
1534 struct amdgpu_device *adev = drm_to_adev(dev);
1535 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1536 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1537 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1538 u32 tmp;
1539
1540 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1541 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1542 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1543 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1544 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1545 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1546
1547 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1548 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1549 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1550 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1551 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1552 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1553
1554 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1555 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1556 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1557 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1558 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1559 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1560
1561}
1562
1563/*
1564 * build a HDMI Video Info Frame
1565 */
1566static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1567 void *buffer, size_t size)
1568{
1569 struct drm_device *dev = encoder->dev;
1570 struct amdgpu_device *adev = drm_to_adev(dev);
1571 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1572 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1573 uint8_t *frame = buffer + 3;
1574 uint8_t *header = buffer;
1575
1576 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1577 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1578 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1579 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1580 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1581 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1582 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1583 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1584}
1585
1586static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1587{
1588 struct drm_device *dev = encoder->dev;
1589 struct amdgpu_device *adev = drm_to_adev(dev);
1590 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1591 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1592 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1593 u32 dto_phase = 24 * 1000;
1594 u32 dto_modulo = clock;
1595 u32 tmp;
1596
1597 if (!dig || !dig->afmt)
1598 return;
1599
1600 /* XXX two dtos; generally use dto0 for hdmi */
1601 /* Express [24MHz / target pixel clock] as an exact rational
1602 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1603 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1604 */
1605 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1606 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1607 amdgpu_crtc->crtc_id);
1608 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1609 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1610 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1611}
1612
1613/*
1614 * update the info frames with the data from the current display mode
1615 */
1616static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1617 struct drm_display_mode *mode)
1618{
1619 struct drm_device *dev = encoder->dev;
1620 struct amdgpu_device *adev = drm_to_adev(dev);
1621 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1622 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1623 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1624 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1625 struct hdmi_avi_infoframe frame;
1626 ssize_t err;
1627 u32 tmp;
1628 int bpc = 8;
1629
1630 if (!dig || !dig->afmt)
1631 return;
1632
1633 /* Silent, r600_hdmi_enable will raise WARN for us */
1634 if (!dig->afmt->enabled)
1635 return;
1636
1637 /* hdmi deep color mode general control packets setup, if bpc > 8 */
1638 if (encoder->crtc) {
1639 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1640 bpc = amdgpu_crtc->bpc;
1641 }
1642
1643 /* disable audio prior to setting up hw */
1644 dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1645 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1646
1647 dce_v11_0_audio_set_dto(encoder, mode->clock);
1648
1649 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1650 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1651 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1652
1653 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1654
1655 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1656 switch (bpc) {
1657 case 0:
1658 case 6:
1659 case 8:
1660 case 16:
1661 default:
1662 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1663 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1664 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1665 connector->name, bpc);
1666 break;
1667 case 10:
1668 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1669 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1670 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1671 connector->name);
1672 break;
1673 case 12:
1674 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1675 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1676 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1677 connector->name);
1678 break;
1679 }
1680 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1681
1682 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1683 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1684 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1685 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1686 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1687
1688 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1689 /* enable audio info frames (frames won't be set until audio is enabled) */
1690 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1691 /* required for audio info values to be updated */
1692 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1693 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1694
1695 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1696 /* required for audio info values to be updated */
1697 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1698 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1699
1700 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1701 /* anything other than 0 */
1702 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1703 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1704
1705 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1706
1707 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1708 /* set the default audio delay */
1709 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1710 /* should be suffient for all audio modes and small enough for all hblanks */
1711 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1712 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1713
1714 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1715 /* allow 60958 channel status fields to be updated */
1716 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1717 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1718
1719 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1720 if (bpc > 8)
1721 /* clear SW CTS value */
1722 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1723 else
1724 /* select SW CTS value */
1725 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1726 /* allow hw to sent ACR packets when required */
1727 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1728 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1729
1730 dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1731
1732 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1733 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1734 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1735
1736 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1737 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1738 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1739
1740 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1741 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1742 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1743 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1744 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1745 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1746 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1747 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1748
1749 dce_v11_0_audio_write_speaker_allocation(encoder);
1750
1751 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1752 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1753
1754 dce_v11_0_afmt_audio_select_pin(encoder);
1755 dce_v11_0_audio_write_sad_regs(encoder);
1756 dce_v11_0_audio_write_latency_fields(encoder, mode);
1757
1758 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1759 if (err < 0) {
1760 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1761 return;
1762 }
1763
1764 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1765 if (err < 0) {
1766 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1767 return;
1768 }
1769
1770 dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1771
1772 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1773 /* enable AVI info frames */
1774 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1775 /* required for audio info values to be updated */
1776 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1777 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1778
1779 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1780 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1781 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1782
1783 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1784 /* send audio packets */
1785 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1786 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1787
1788 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1789 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1790 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1791 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1792
1793 /* enable audio after to setting up hw */
1794 dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1795}
1796
1797static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1798{
1799 struct drm_device *dev = encoder->dev;
1800 struct amdgpu_device *adev = drm_to_adev(dev);
1801 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1802 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1803
1804 if (!dig || !dig->afmt)
1805 return;
1806
1807 /* Silent, r600_hdmi_enable will raise WARN for us */
1808 if (enable && dig->afmt->enabled)
1809 return;
1810 if (!enable && !dig->afmt->enabled)
1811 return;
1812
1813 if (!enable && dig->afmt->pin) {
1814 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1815 dig->afmt->pin = NULL;
1816 }
1817
1818 dig->afmt->enabled = enable;
1819
1820 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1821 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1822}
1823
1824static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1825{
1826 int i;
1827
1828 for (i = 0; i < adev->mode_info.num_dig; i++)
1829 adev->mode_info.afmt[i] = NULL;
1830
1831 /* DCE11 has audio blocks tied to DIG encoders */
1832 for (i = 0; i < adev->mode_info.num_dig; i++) {
1833 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1834 if (adev->mode_info.afmt[i]) {
1835 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1836 adev->mode_info.afmt[i]->id = i;
1837 } else {
1838 int j;
1839 for (j = 0; j < i; j++) {
1840 kfree(adev->mode_info.afmt[j]);
1841 adev->mode_info.afmt[j] = NULL;
1842 }
1843 return -ENOMEM;
1844 }
1845 }
1846 return 0;
1847}
1848
1849static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1850{
1851 int i;
1852
1853 for (i = 0; i < adev->mode_info.num_dig; i++) {
1854 kfree(adev->mode_info.afmt[i]);
1855 adev->mode_info.afmt[i] = NULL;
1856 }
1857}
1858
1859static const u32 vga_control_regs[6] =
1860{
1861 mmD1VGA_CONTROL,
1862 mmD2VGA_CONTROL,
1863 mmD3VGA_CONTROL,
1864 mmD4VGA_CONTROL,
1865 mmD5VGA_CONTROL,
1866 mmD6VGA_CONTROL,
1867};
1868
1869static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1870{
1871 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1872 struct drm_device *dev = crtc->dev;
1873 struct amdgpu_device *adev = drm_to_adev(dev);
1874 u32 vga_control;
1875
1876 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1877 if (enable)
1878 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1879 else
1880 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1881}
1882
1883static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1884{
1885 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1886 struct drm_device *dev = crtc->dev;
1887 struct amdgpu_device *adev = drm_to_adev(dev);
1888
1889 if (enable)
1890 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1891 else
1892 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1893}
1894
1895static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1896 struct drm_framebuffer *fb,
1897 int x, int y, int atomic)
1898{
1899 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1900 struct drm_device *dev = crtc->dev;
1901 struct amdgpu_device *adev = drm_to_adev(dev);
1902 struct drm_framebuffer *target_fb;
1903 struct drm_gem_object *obj;
1904 struct amdgpu_bo *abo;
1905 uint64_t fb_location, tiling_flags;
1906 uint32_t fb_format, fb_pitch_pixels;
1907 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1908 u32 pipe_config;
1909 u32 tmp, viewport_w, viewport_h;
1910 int r;
1911 bool bypass_lut = false;
1912
1913 /* no fb bound */
1914 if (!atomic && !crtc->primary->fb) {
1915 DRM_DEBUG_KMS("No FB bound\n");
1916 return 0;
1917 }
1918
1919 if (atomic)
1920 target_fb = fb;
1921 else
1922 target_fb = crtc->primary->fb;
1923
1924 /* If atomic, assume fb object is pinned & idle & fenced and
1925 * just update base pointers
1926 */
1927 obj = target_fb->obj[0];
1928 abo = gem_to_amdgpu_bo(obj);
1929 r = amdgpu_bo_reserve(abo, false);
1930 if (unlikely(r != 0))
1931 return r;
1932
1933 if (!atomic) {
1934 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1935 if (unlikely(r != 0)) {
1936 amdgpu_bo_unreserve(abo);
1937 return -EINVAL;
1938 }
1939 }
1940 fb_location = amdgpu_bo_gpu_offset(abo);
1941
1942 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1943 amdgpu_bo_unreserve(abo);
1944
1945 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1946
1947 switch (target_fb->format->format) {
1948 case DRM_FORMAT_C8:
1949 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1950 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1951 break;
1952 case DRM_FORMAT_XRGB4444:
1953 case DRM_FORMAT_ARGB4444:
1954 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1955 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1956#ifdef __BIG_ENDIAN
1957 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1958 ENDIAN_8IN16);
1959#endif
1960 break;
1961 case DRM_FORMAT_XRGB1555:
1962 case DRM_FORMAT_ARGB1555:
1963 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1964 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1965#ifdef __BIG_ENDIAN
1966 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1967 ENDIAN_8IN16);
1968#endif
1969 break;
1970 case DRM_FORMAT_BGRX5551:
1971 case DRM_FORMAT_BGRA5551:
1972 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1973 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1974#ifdef __BIG_ENDIAN
1975 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1976 ENDIAN_8IN16);
1977#endif
1978 break;
1979 case DRM_FORMAT_RGB565:
1980 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1981 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1982#ifdef __BIG_ENDIAN
1983 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1984 ENDIAN_8IN16);
1985#endif
1986 break;
1987 case DRM_FORMAT_XRGB8888:
1988 case DRM_FORMAT_ARGB8888:
1989 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1990 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1991#ifdef __BIG_ENDIAN
1992 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1993 ENDIAN_8IN32);
1994#endif
1995 break;
1996 case DRM_FORMAT_XRGB2101010:
1997 case DRM_FORMAT_ARGB2101010:
1998 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1999 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2000#ifdef __BIG_ENDIAN
2001 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2002 ENDIAN_8IN32);
2003#endif
2004 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2005 bypass_lut = true;
2006 break;
2007 case DRM_FORMAT_BGRX1010102:
2008 case DRM_FORMAT_BGRA1010102:
2009 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2010 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2011#ifdef __BIG_ENDIAN
2012 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2013 ENDIAN_8IN32);
2014#endif
2015 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2016 bypass_lut = true;
2017 break;
2018 case DRM_FORMAT_XBGR8888:
2019 case DRM_FORMAT_ABGR8888:
2020 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2021 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2022 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2023 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2024#ifdef __BIG_ENDIAN
2025 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2026 ENDIAN_8IN32);
2027#endif
2028 break;
2029 default:
2030 DRM_ERROR("Unsupported screen format %p4cc\n",
2031 &target_fb->format->format);
2032 return -EINVAL;
2033 }
2034
2035 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2036 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2037
2038 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2039 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2040 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2041 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2042 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2043
2044 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2045 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2046 ARRAY_2D_TILED_THIN1);
2047 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2048 tile_split);
2049 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2050 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2051 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2052 mtaspect);
2053 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2054 ADDR_SURF_MICRO_TILING_DISPLAY);
2055 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2056 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2057 ARRAY_1D_TILED_THIN1);
2058 }
2059
2060 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2061 pipe_config);
2062
2063 dce_v11_0_vga_enable(crtc, false);
2064
2065 /* Make sure surface address is updated at vertical blank rather than
2066 * horizontal blank
2067 */
2068 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2069 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2070 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2071 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2072
2073 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2074 upper_32_bits(fb_location));
2075 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2076 upper_32_bits(fb_location));
2077 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2078 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2079 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2080 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2081 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2082 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2083
2084 /*
2085 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2086 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2087 * retain the full precision throughout the pipeline.
2088 */
2089 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2090 if (bypass_lut)
2091 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2092 else
2093 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2094 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2095
2096 if (bypass_lut)
2097 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2098
2099 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2100 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2101 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2102 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2103 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2104 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2105
2106 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2107 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2108
2109 dce_v11_0_grph_enable(crtc, true);
2110
2111 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2112 target_fb->height);
2113
2114 x &= ~3;
2115 y &= ~1;
2116 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2117 (x << 16) | y);
2118 viewport_w = crtc->mode.hdisplay;
2119 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2120 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2121 (viewport_w << 16) | viewport_h);
2122
2123 /* set pageflip to happen anywhere in vblank interval */
2124 WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2125
2126 if (!atomic && fb && fb != crtc->primary->fb) {
2127 abo = gem_to_amdgpu_bo(fb->obj[0]);
2128 r = amdgpu_bo_reserve(abo, true);
2129 if (unlikely(r != 0))
2130 return r;
2131 amdgpu_bo_unpin(abo);
2132 amdgpu_bo_unreserve(abo);
2133 }
2134
2135 /* Bytes per pixel may have changed */
2136 dce_v11_0_bandwidth_update(adev);
2137
2138 return 0;
2139}
2140
2141static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2142 struct drm_display_mode *mode)
2143{
2144 struct drm_device *dev = crtc->dev;
2145 struct amdgpu_device *adev = drm_to_adev(dev);
2146 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2147 u32 tmp;
2148
2149 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2150 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2151 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2152 else
2153 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2154 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2155}
2156
2157static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2158{
2159 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2160 struct drm_device *dev = crtc->dev;
2161 struct amdgpu_device *adev = drm_to_adev(dev);
2162 u16 *r, *g, *b;
2163 int i;
2164 u32 tmp;
2165
2166 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2167
2168 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2169 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2170 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2171
2172 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2173 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2174 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2175
2176 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2177 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2178 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2179
2180 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2181
2182 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2183 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2184 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2185
2186 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2187 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2188 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2189
2190 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2191 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2192
2193 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2194 r = crtc->gamma_store;
2195 g = r + crtc->gamma_size;
2196 b = g + crtc->gamma_size;
2197 for (i = 0; i < 256; i++) {
2198 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2199 ((*r++ & 0xffc0) << 14) |
2200 ((*g++ & 0xffc0) << 4) |
2201 (*b++ >> 6));
2202 }
2203
2204 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2205 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2206 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2207 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2208 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2209
2210 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2211 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2212 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2213
2214 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2215 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2216 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2217
2218 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2219 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2220 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2221
2222 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2223 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2224 /* XXX this only needs to be programmed once per crtc at startup,
2225 * not sure where the best place for it is
2226 */
2227 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2228 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2229 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2230}
2231
2232static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2233{
2234 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2235 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2236
2237 switch (amdgpu_encoder->encoder_id) {
2238 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2239 if (dig->linkb)
2240 return 1;
2241 else
2242 return 0;
2243 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2244 if (dig->linkb)
2245 return 3;
2246 else
2247 return 2;
2248 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2249 if (dig->linkb)
2250 return 5;
2251 else
2252 return 4;
2253 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2254 return 6;
2255 default:
2256 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2257 return 0;
2258 }
2259}
2260
2261/**
2262 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2263 *
2264 * @crtc: drm crtc
2265 *
2266 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2267 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2268 * monitors a dedicated PPLL must be used. If a particular board has
2269 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2270 * as there is no need to program the PLL itself. If we are not able to
2271 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2272 * avoid messing up an existing monitor.
2273 *
2274 * Asic specific PLL information
2275 *
2276 * DCE 10.x
2277 * Tonga
2278 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2279 * CI
2280 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2281 *
2282 */
2283static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2284{
2285 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2286 struct drm_device *dev = crtc->dev;
2287 struct amdgpu_device *adev = drm_to_adev(dev);
2288 u32 pll_in_use;
2289 int pll;
2290
2291 if ((adev->asic_type == CHIP_POLARIS10) ||
2292 (adev->asic_type == CHIP_POLARIS11) ||
2293 (adev->asic_type == CHIP_POLARIS12) ||
2294 (adev->asic_type == CHIP_VEGAM)) {
2295 struct amdgpu_encoder *amdgpu_encoder =
2296 to_amdgpu_encoder(amdgpu_crtc->encoder);
2297 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2298
2299 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2300 return ATOM_DP_DTO;
2301
2302 switch (amdgpu_encoder->encoder_id) {
2303 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2304 if (dig->linkb)
2305 return ATOM_COMBOPHY_PLL1;
2306 else
2307 return ATOM_COMBOPHY_PLL0;
2308 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2309 if (dig->linkb)
2310 return ATOM_COMBOPHY_PLL3;
2311 else
2312 return ATOM_COMBOPHY_PLL2;
2313 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2314 if (dig->linkb)
2315 return ATOM_COMBOPHY_PLL5;
2316 else
2317 return ATOM_COMBOPHY_PLL4;
2318 default:
2319 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2320 return ATOM_PPLL_INVALID;
2321 }
2322 }
2323
2324 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2325 if (adev->clock.dp_extclk)
2326 /* skip PPLL programming if using ext clock */
2327 return ATOM_PPLL_INVALID;
2328 else {
2329 /* use the same PPLL for all DP monitors */
2330 pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2331 if (pll != ATOM_PPLL_INVALID)
2332 return pll;
2333 }
2334 } else {
2335 /* use the same PPLL for all monitors with the same clock */
2336 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2337 if (pll != ATOM_PPLL_INVALID)
2338 return pll;
2339 }
2340
2341 /* XXX need to determine what plls are available on each DCE11 part */
2342 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2343 if (adev->flags & AMD_IS_APU) {
2344 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2345 return ATOM_PPLL1;
2346 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2347 return ATOM_PPLL0;
2348 DRM_ERROR("unable to allocate a PPLL\n");
2349 return ATOM_PPLL_INVALID;
2350 } else {
2351 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2352 return ATOM_PPLL2;
2353 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2354 return ATOM_PPLL1;
2355 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2356 return ATOM_PPLL0;
2357 DRM_ERROR("unable to allocate a PPLL\n");
2358 return ATOM_PPLL_INVALID;
2359 }
2360 return ATOM_PPLL_INVALID;
2361}
2362
2363static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2364{
2365 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2366 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2367 uint32_t cur_lock;
2368
2369 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2370 if (lock)
2371 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2372 else
2373 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2374 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2375}
2376
2377static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2378{
2379 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2380 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2381 u32 tmp;
2382
2383 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2384 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2385 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2386}
2387
2388static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2389{
2390 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2391 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2392 u32 tmp;
2393
2394 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2395 upper_32_bits(amdgpu_crtc->cursor_addr));
2396 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2397 lower_32_bits(amdgpu_crtc->cursor_addr));
2398
2399 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2400 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2401 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2402 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2403}
2404
2405static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2406 int x, int y)
2407{
2408 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2409 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2410 int xorigin = 0, yorigin = 0;
2411
2412 amdgpu_crtc->cursor_x = x;
2413 amdgpu_crtc->cursor_y = y;
2414
2415 /* avivo cursor are offset into the total surface */
2416 x += crtc->x;
2417 y += crtc->y;
2418 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2419
2420 if (x < 0) {
2421 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2422 x = 0;
2423 }
2424 if (y < 0) {
2425 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2426 y = 0;
2427 }
2428
2429 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2430 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2431 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2432 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2433
2434 return 0;
2435}
2436
2437static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2438 int x, int y)
2439{
2440 int ret;
2441
2442 dce_v11_0_lock_cursor(crtc, true);
2443 ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2444 dce_v11_0_lock_cursor(crtc, false);
2445
2446 return ret;
2447}
2448
2449static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2450 struct drm_file *file_priv,
2451 uint32_t handle,
2452 uint32_t width,
2453 uint32_t height,
2454 int32_t hot_x,
2455 int32_t hot_y)
2456{
2457 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2458 struct drm_gem_object *obj;
2459 struct amdgpu_bo *aobj;
2460 int ret;
2461
2462 if (!handle) {
2463 /* turn off cursor */
2464 dce_v11_0_hide_cursor(crtc);
2465 obj = NULL;
2466 goto unpin;
2467 }
2468
2469 if ((width > amdgpu_crtc->max_cursor_width) ||
2470 (height > amdgpu_crtc->max_cursor_height)) {
2471 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2472 return -EINVAL;
2473 }
2474
2475 obj = drm_gem_object_lookup(file_priv, handle);
2476 if (!obj) {
2477 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2478 return -ENOENT;
2479 }
2480
2481 aobj = gem_to_amdgpu_bo(obj);
2482 ret = amdgpu_bo_reserve(aobj, false);
2483 if (ret != 0) {
2484 drm_gem_object_put(obj);
2485 return ret;
2486 }
2487
2488 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2489 amdgpu_bo_unreserve(aobj);
2490 if (ret) {
2491 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2492 drm_gem_object_put(obj);
2493 return ret;
2494 }
2495 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2496
2497 dce_v11_0_lock_cursor(crtc, true);
2498
2499 if (width != amdgpu_crtc->cursor_width ||
2500 height != amdgpu_crtc->cursor_height ||
2501 hot_x != amdgpu_crtc->cursor_hot_x ||
2502 hot_y != amdgpu_crtc->cursor_hot_y) {
2503 int x, y;
2504
2505 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2506 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2507
2508 dce_v11_0_cursor_move_locked(crtc, x, y);
2509
2510 amdgpu_crtc->cursor_width = width;
2511 amdgpu_crtc->cursor_height = height;
2512 amdgpu_crtc->cursor_hot_x = hot_x;
2513 amdgpu_crtc->cursor_hot_y = hot_y;
2514 }
2515
2516 dce_v11_0_show_cursor(crtc);
2517 dce_v11_0_lock_cursor(crtc, false);
2518
2519unpin:
2520 if (amdgpu_crtc->cursor_bo) {
2521 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2522 ret = amdgpu_bo_reserve(aobj, true);
2523 if (likely(ret == 0)) {
2524 amdgpu_bo_unpin(aobj);
2525 amdgpu_bo_unreserve(aobj);
2526 }
2527 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2528 }
2529
2530 amdgpu_crtc->cursor_bo = obj;
2531 return 0;
2532}
2533
2534static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2535{
2536 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2537
2538 if (amdgpu_crtc->cursor_bo) {
2539 dce_v11_0_lock_cursor(crtc, true);
2540
2541 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2542 amdgpu_crtc->cursor_y);
2543
2544 dce_v11_0_show_cursor(crtc);
2545
2546 dce_v11_0_lock_cursor(crtc, false);
2547 }
2548}
2549
2550static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2551 u16 *blue, uint32_t size,
2552 struct drm_modeset_acquire_ctx *ctx)
2553{
2554 dce_v11_0_crtc_load_lut(crtc);
2555
2556 return 0;
2557}
2558
2559static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2560{
2561 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2562
2563 drm_crtc_cleanup(crtc);
2564 kfree(amdgpu_crtc);
2565}
2566
2567static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2568 .cursor_set2 = dce_v11_0_crtc_cursor_set2,
2569 .cursor_move = dce_v11_0_crtc_cursor_move,
2570 .gamma_set = dce_v11_0_crtc_gamma_set,
2571 .set_config = amdgpu_display_crtc_set_config,
2572 .destroy = dce_v11_0_crtc_destroy,
2573 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2574 .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2575 .enable_vblank = amdgpu_enable_vblank_kms,
2576 .disable_vblank = amdgpu_disable_vblank_kms,
2577 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2578};
2579
2580static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2581{
2582 struct drm_device *dev = crtc->dev;
2583 struct amdgpu_device *adev = drm_to_adev(dev);
2584 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2585 unsigned type;
2586
2587 switch (mode) {
2588 case DRM_MODE_DPMS_ON:
2589 amdgpu_crtc->enabled = true;
2590 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2591 dce_v11_0_vga_enable(crtc, true);
2592 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2593 dce_v11_0_vga_enable(crtc, false);
2594 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2595 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2596 amdgpu_crtc->crtc_id);
2597 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2598 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2599 drm_crtc_vblank_on(crtc);
2600 dce_v11_0_crtc_load_lut(crtc);
2601 break;
2602 case DRM_MODE_DPMS_STANDBY:
2603 case DRM_MODE_DPMS_SUSPEND:
2604 case DRM_MODE_DPMS_OFF:
2605 drm_crtc_vblank_off(crtc);
2606 if (amdgpu_crtc->enabled) {
2607 dce_v11_0_vga_enable(crtc, true);
2608 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2609 dce_v11_0_vga_enable(crtc, false);
2610 }
2611 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2612 amdgpu_crtc->enabled = false;
2613 break;
2614 }
2615 /* adjust pm to dpms */
2616 amdgpu_dpm_compute_clocks(adev);
2617}
2618
2619static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2620{
2621 /* disable crtc pair power gating before programming */
2622 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2623 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2624 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2625}
2626
2627static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2628{
2629 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2630 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2631}
2632
2633static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2634{
2635 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2636 struct drm_device *dev = crtc->dev;
2637 struct amdgpu_device *adev = drm_to_adev(dev);
2638 struct amdgpu_atom_ss ss;
2639 int i;
2640
2641 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2642 if (crtc->primary->fb) {
2643 int r;
2644 struct amdgpu_bo *abo;
2645
2646 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2647 r = amdgpu_bo_reserve(abo, true);
2648 if (unlikely(r))
2649 DRM_ERROR("failed to reserve abo before unpin\n");
2650 else {
2651 amdgpu_bo_unpin(abo);
2652 amdgpu_bo_unreserve(abo);
2653 }
2654 }
2655 /* disable the GRPH */
2656 dce_v11_0_grph_enable(crtc, false);
2657
2658 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2659
2660 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2661 if (adev->mode_info.crtcs[i] &&
2662 adev->mode_info.crtcs[i]->enabled &&
2663 i != amdgpu_crtc->crtc_id &&
2664 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2665 /* one other crtc is using this pll don't turn
2666 * off the pll
2667 */
2668 goto done;
2669 }
2670 }
2671
2672 switch (amdgpu_crtc->pll_id) {
2673 case ATOM_PPLL0:
2674 case ATOM_PPLL1:
2675 case ATOM_PPLL2:
2676 /* disable the ppll */
2677 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2678 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2679 break;
2680 case ATOM_COMBOPHY_PLL0:
2681 case ATOM_COMBOPHY_PLL1:
2682 case ATOM_COMBOPHY_PLL2:
2683 case ATOM_COMBOPHY_PLL3:
2684 case ATOM_COMBOPHY_PLL4:
2685 case ATOM_COMBOPHY_PLL5:
2686 /* disable the ppll */
2687 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2688 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2689 break;
2690 default:
2691 break;
2692 }
2693done:
2694 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2695 amdgpu_crtc->adjusted_clock = 0;
2696 amdgpu_crtc->encoder = NULL;
2697 amdgpu_crtc->connector = NULL;
2698}
2699
2700static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2701 struct drm_display_mode *mode,
2702 struct drm_display_mode *adjusted_mode,
2703 int x, int y, struct drm_framebuffer *old_fb)
2704{
2705 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2706 struct drm_device *dev = crtc->dev;
2707 struct amdgpu_device *adev = drm_to_adev(dev);
2708
2709 if (!amdgpu_crtc->adjusted_clock)
2710 return -EINVAL;
2711
2712 if ((adev->asic_type == CHIP_POLARIS10) ||
2713 (adev->asic_type == CHIP_POLARIS11) ||
2714 (adev->asic_type == CHIP_POLARIS12) ||
2715 (adev->asic_type == CHIP_VEGAM)) {
2716 struct amdgpu_encoder *amdgpu_encoder =
2717 to_amdgpu_encoder(amdgpu_crtc->encoder);
2718 int encoder_mode =
2719 amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2720
2721 /* SetPixelClock calculates the plls and ss values now */
2722 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2723 amdgpu_crtc->pll_id,
2724 encoder_mode, amdgpu_encoder->encoder_id,
2725 adjusted_mode->clock, 0, 0, 0, 0,
2726 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2727 } else {
2728 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2729 }
2730 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2731 dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2732 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2733 amdgpu_atombios_crtc_scaler_setup(crtc);
2734 dce_v11_0_cursor_reset(crtc);
2735 /* update the hw version fpr dpm */
2736 amdgpu_crtc->hw_mode = *adjusted_mode;
2737
2738 return 0;
2739}
2740
2741static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2742 const struct drm_display_mode *mode,
2743 struct drm_display_mode *adjusted_mode)
2744{
2745 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2746 struct drm_device *dev = crtc->dev;
2747 struct drm_encoder *encoder;
2748
2749 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2750 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2751 if (encoder->crtc == crtc) {
2752 amdgpu_crtc->encoder = encoder;
2753 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2754 break;
2755 }
2756 }
2757 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2758 amdgpu_crtc->encoder = NULL;
2759 amdgpu_crtc->connector = NULL;
2760 return false;
2761 }
2762 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2763 return false;
2764 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2765 return false;
2766 /* pick pll */
2767 amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2768 /* if we can't get a PPLL for a non-DP encoder, fail */
2769 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2770 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2771 return false;
2772
2773 return true;
2774}
2775
2776static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2777 struct drm_framebuffer *old_fb)
2778{
2779 return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2780}
2781
2782static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2783 struct drm_framebuffer *fb,
2784 int x, int y, enum mode_set_atomic state)
2785{
2786 return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2787}
2788
2789static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2790 .dpms = dce_v11_0_crtc_dpms,
2791 .mode_fixup = dce_v11_0_crtc_mode_fixup,
2792 .mode_set = dce_v11_0_crtc_mode_set,
2793 .mode_set_base = dce_v11_0_crtc_set_base,
2794 .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2795 .prepare = dce_v11_0_crtc_prepare,
2796 .commit = dce_v11_0_crtc_commit,
2797 .disable = dce_v11_0_crtc_disable,
2798 .get_scanout_position = amdgpu_crtc_get_scanout_position,
2799};
2800
2801static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2802{
2803 struct amdgpu_crtc *amdgpu_crtc;
2804
2805 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2806 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2807 if (amdgpu_crtc == NULL)
2808 return -ENOMEM;
2809
2810 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2811
2812 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2813 amdgpu_crtc->crtc_id = index;
2814 adev->mode_info.crtcs[index] = amdgpu_crtc;
2815
2816 amdgpu_crtc->max_cursor_width = 128;
2817 amdgpu_crtc->max_cursor_height = 128;
2818 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2819 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2820
2821 switch (amdgpu_crtc->crtc_id) {
2822 case 0:
2823 default:
2824 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2825 break;
2826 case 1:
2827 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2828 break;
2829 case 2:
2830 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2831 break;
2832 case 3:
2833 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2834 break;
2835 case 4:
2836 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2837 break;
2838 case 5:
2839 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2840 break;
2841 }
2842
2843 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2844 amdgpu_crtc->adjusted_clock = 0;
2845 amdgpu_crtc->encoder = NULL;
2846 amdgpu_crtc->connector = NULL;
2847 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2848
2849 return 0;
2850}
2851
2852static int dce_v11_0_early_init(void *handle)
2853{
2854 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2855
2856 adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2857 adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2858
2859 dce_v11_0_set_display_funcs(adev);
2860
2861 adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2862
2863 switch (adev->asic_type) {
2864 case CHIP_CARRIZO:
2865 adev->mode_info.num_hpd = 6;
2866 adev->mode_info.num_dig = 9;
2867 break;
2868 case CHIP_STONEY:
2869 adev->mode_info.num_hpd = 6;
2870 adev->mode_info.num_dig = 9;
2871 break;
2872 case CHIP_POLARIS10:
2873 case CHIP_VEGAM:
2874 adev->mode_info.num_hpd = 6;
2875 adev->mode_info.num_dig = 6;
2876 break;
2877 case CHIP_POLARIS11:
2878 case CHIP_POLARIS12:
2879 adev->mode_info.num_hpd = 5;
2880 adev->mode_info.num_dig = 5;
2881 break;
2882 default:
2883 /* FIXME: not supported yet */
2884 return -EINVAL;
2885 }
2886
2887 dce_v11_0_set_irq_funcs(adev);
2888
2889 return 0;
2890}
2891
2892static int dce_v11_0_sw_init(void *handle)
2893{
2894 int r, i;
2895 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2896
2897 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2898 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2899 if (r)
2900 return r;
2901 }
2902
2903 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2904 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2905 if (r)
2906 return r;
2907 }
2908
2909 /* HPD hotplug */
2910 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2911 if (r)
2912 return r;
2913
2914 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2915
2916 adev_to_drm(adev)->mode_config.async_page_flip = true;
2917
2918 adev_to_drm(adev)->mode_config.max_width = 16384;
2919 adev_to_drm(adev)->mode_config.max_height = 16384;
2920
2921 adev_to_drm(adev)->mode_config.preferred_depth = 24;
2922 adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2923
2924 adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2925
2926 r = amdgpu_display_modeset_create_props(adev);
2927 if (r)
2928 return r;
2929
2930 adev_to_drm(adev)->mode_config.max_width = 16384;
2931 adev_to_drm(adev)->mode_config.max_height = 16384;
2932
2933
2934 /* allocate crtcs */
2935 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2936 r = dce_v11_0_crtc_init(adev, i);
2937 if (r)
2938 return r;
2939 }
2940
2941 if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2942 amdgpu_display_print_display_setup(adev_to_drm(adev));
2943 else
2944 return -EINVAL;
2945
2946 /* setup afmt */
2947 r = dce_v11_0_afmt_init(adev);
2948 if (r)
2949 return r;
2950
2951 r = dce_v11_0_audio_init(adev);
2952 if (r)
2953 return r;
2954
2955 /* Disable vblank IRQs aggressively for power-saving */
2956 /* XXX: can this be enabled for DC? */
2957 adev_to_drm(adev)->vblank_disable_immediate = true;
2958
2959 r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2960 if (r)
2961 return r;
2962
2963 INIT_DELAYED_WORK(&adev->hotplug_work,
2964 amdgpu_display_hotplug_work_func);
2965
2966 drm_kms_helper_poll_init(adev_to_drm(adev));
2967
2968 adev->mode_info.mode_config_initialized = true;
2969 return 0;
2970}
2971
2972static int dce_v11_0_sw_fini(void *handle)
2973{
2974 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2975
2976 kfree(adev->mode_info.bios_hardcoded_edid);
2977
2978 drm_kms_helper_poll_fini(adev_to_drm(adev));
2979
2980 dce_v11_0_audio_fini(adev);
2981
2982 dce_v11_0_afmt_fini(adev);
2983
2984 drm_mode_config_cleanup(adev_to_drm(adev));
2985 adev->mode_info.mode_config_initialized = false;
2986
2987 return 0;
2988}
2989
2990static int dce_v11_0_hw_init(void *handle)
2991{
2992 int i;
2993 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2994
2995 dce_v11_0_init_golden_registers(adev);
2996
2997 /* disable vga render */
2998 dce_v11_0_set_vga_render_state(adev, false);
2999 /* init dig PHYs, disp eng pll */
3000 amdgpu_atombios_crtc_powergate_init(adev);
3001 amdgpu_atombios_encoder_init_dig(adev);
3002 if ((adev->asic_type == CHIP_POLARIS10) ||
3003 (adev->asic_type == CHIP_POLARIS11) ||
3004 (adev->asic_type == CHIP_POLARIS12) ||
3005 (adev->asic_type == CHIP_VEGAM)) {
3006 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
3007 DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
3008 amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3009 DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3010 } else {
3011 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3012 }
3013
3014 /* initialize hpd */
3015 dce_v11_0_hpd_init(adev);
3016
3017 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3018 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3019 }
3020
3021 dce_v11_0_pageflip_interrupt_init(adev);
3022
3023 return 0;
3024}
3025
3026static int dce_v11_0_hw_fini(void *handle)
3027{
3028 int i;
3029 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3030
3031 dce_v11_0_hpd_fini(adev);
3032
3033 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3034 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3035 }
3036
3037 dce_v11_0_pageflip_interrupt_fini(adev);
3038
3039 flush_delayed_work(&adev->hotplug_work);
3040
3041 return 0;
3042}
3043
3044static int dce_v11_0_suspend(void *handle)
3045{
3046 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3047 int r;
3048
3049 r = amdgpu_display_suspend_helper(adev);
3050 if (r)
3051 return r;
3052
3053 adev->mode_info.bl_level =
3054 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3055
3056 return dce_v11_0_hw_fini(handle);
3057}
3058
3059static int dce_v11_0_resume(void *handle)
3060{
3061 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3062 int ret;
3063
3064 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3065 adev->mode_info.bl_level);
3066
3067 ret = dce_v11_0_hw_init(handle);
3068
3069 /* turn on the BL */
3070 if (adev->mode_info.bl_encoder) {
3071 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3072 adev->mode_info.bl_encoder);
3073 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3074 bl_level);
3075 }
3076 if (ret)
3077 return ret;
3078
3079 return amdgpu_display_resume_helper(adev);
3080}
3081
3082static bool dce_v11_0_is_idle(void *handle)
3083{
3084 return true;
3085}
3086
3087static int dce_v11_0_wait_for_idle(void *handle)
3088{
3089 return 0;
3090}
3091
3092static int dce_v11_0_soft_reset(void *handle)
3093{
3094 u32 srbm_soft_reset = 0, tmp;
3095 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3096
3097 if (dce_v11_0_is_display_hung(adev))
3098 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3099
3100 if (srbm_soft_reset) {
3101 tmp = RREG32(mmSRBM_SOFT_RESET);
3102 tmp |= srbm_soft_reset;
3103 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3104 WREG32(mmSRBM_SOFT_RESET, tmp);
3105 tmp = RREG32(mmSRBM_SOFT_RESET);
3106
3107 udelay(50);
3108
3109 tmp &= ~srbm_soft_reset;
3110 WREG32(mmSRBM_SOFT_RESET, tmp);
3111 tmp = RREG32(mmSRBM_SOFT_RESET);
3112
3113 /* Wait a little for things to settle down */
3114 udelay(50);
3115 }
3116 return 0;
3117}
3118
3119static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3120 int crtc,
3121 enum amdgpu_interrupt_state state)
3122{
3123 u32 lb_interrupt_mask;
3124
3125 if (crtc >= adev->mode_info.num_crtc) {
3126 DRM_DEBUG("invalid crtc %d\n", crtc);
3127 return;
3128 }
3129
3130 switch (state) {
3131 case AMDGPU_IRQ_STATE_DISABLE:
3132 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3133 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3134 VBLANK_INTERRUPT_MASK, 0);
3135 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3136 break;
3137 case AMDGPU_IRQ_STATE_ENABLE:
3138 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3139 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3140 VBLANK_INTERRUPT_MASK, 1);
3141 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3142 break;
3143 default:
3144 break;
3145 }
3146}
3147
3148static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3149 int crtc,
3150 enum amdgpu_interrupt_state state)
3151{
3152 u32 lb_interrupt_mask;
3153
3154 if (crtc >= adev->mode_info.num_crtc) {
3155 DRM_DEBUG("invalid crtc %d\n", crtc);
3156 return;
3157 }
3158
3159 switch (state) {
3160 case AMDGPU_IRQ_STATE_DISABLE:
3161 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3162 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3163 VLINE_INTERRUPT_MASK, 0);
3164 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3165 break;
3166 case AMDGPU_IRQ_STATE_ENABLE:
3167 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3168 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3169 VLINE_INTERRUPT_MASK, 1);
3170 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3171 break;
3172 default:
3173 break;
3174 }
3175}
3176
3177static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3178 struct amdgpu_irq_src *source,
3179 unsigned hpd,
3180 enum amdgpu_interrupt_state state)
3181{
3182 u32 tmp;
3183
3184 if (hpd >= adev->mode_info.num_hpd) {
3185 DRM_DEBUG("invalid hdp %d\n", hpd);
3186 return 0;
3187 }
3188
3189 switch (state) {
3190 case AMDGPU_IRQ_STATE_DISABLE:
3191 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3192 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3193 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3194 break;
3195 case AMDGPU_IRQ_STATE_ENABLE:
3196 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3197 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3198 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3199 break;
3200 default:
3201 break;
3202 }
3203
3204 return 0;
3205}
3206
3207static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3208 struct amdgpu_irq_src *source,
3209 unsigned type,
3210 enum amdgpu_interrupt_state state)
3211{
3212 switch (type) {
3213 case AMDGPU_CRTC_IRQ_VBLANK1:
3214 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3215 break;
3216 case AMDGPU_CRTC_IRQ_VBLANK2:
3217 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3218 break;
3219 case AMDGPU_CRTC_IRQ_VBLANK3:
3220 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3221 break;
3222 case AMDGPU_CRTC_IRQ_VBLANK4:
3223 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3224 break;
3225 case AMDGPU_CRTC_IRQ_VBLANK5:
3226 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3227 break;
3228 case AMDGPU_CRTC_IRQ_VBLANK6:
3229 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3230 break;
3231 case AMDGPU_CRTC_IRQ_VLINE1:
3232 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3233 break;
3234 case AMDGPU_CRTC_IRQ_VLINE2:
3235 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3236 break;
3237 case AMDGPU_CRTC_IRQ_VLINE3:
3238 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3239 break;
3240 case AMDGPU_CRTC_IRQ_VLINE4:
3241 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3242 break;
3243 case AMDGPU_CRTC_IRQ_VLINE5:
3244 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3245 break;
3246 case AMDGPU_CRTC_IRQ_VLINE6:
3247 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3248 break;
3249 default:
3250 break;
3251 }
3252 return 0;
3253}
3254
3255static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3256 struct amdgpu_irq_src *src,
3257 unsigned type,
3258 enum amdgpu_interrupt_state state)
3259{
3260 u32 reg;
3261
3262 if (type >= adev->mode_info.num_crtc) {
3263 DRM_ERROR("invalid pageflip crtc %d\n", type);
3264 return -EINVAL;
3265 }
3266
3267 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3268 if (state == AMDGPU_IRQ_STATE_DISABLE)
3269 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3270 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3271 else
3272 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3273 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3274
3275 return 0;
3276}
3277
3278static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3279 struct amdgpu_irq_src *source,
3280 struct amdgpu_iv_entry *entry)
3281{
3282 unsigned long flags;
3283 unsigned crtc_id;
3284 struct amdgpu_crtc *amdgpu_crtc;
3285 struct amdgpu_flip_work *works;
3286
3287 crtc_id = (entry->src_id - 8) >> 1;
3288 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3289
3290 if (crtc_id >= adev->mode_info.num_crtc) {
3291 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3292 return -EINVAL;
3293 }
3294
3295 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3296 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3297 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3298 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3299
3300 /* IRQ could occur when in initial stage */
3301 if(amdgpu_crtc == NULL)
3302 return 0;
3303
3304 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3305 works = amdgpu_crtc->pflip_works;
3306 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3307 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3308 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3309 amdgpu_crtc->pflip_status,
3310 AMDGPU_FLIP_SUBMITTED);
3311 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3312 return 0;
3313 }
3314
3315 /* page flip completed. clean up */
3316 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3317 amdgpu_crtc->pflip_works = NULL;
3318
3319 /* wakeup usersapce */
3320 if(works->event)
3321 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3322
3323 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3324
3325 drm_crtc_vblank_put(&amdgpu_crtc->base);
3326 schedule_work(&works->unpin_work);
3327
3328 return 0;
3329}
3330
3331static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3332 int hpd)
3333{
3334 u32 tmp;
3335
3336 if (hpd >= adev->mode_info.num_hpd) {
3337 DRM_DEBUG("invalid hdp %d\n", hpd);
3338 return;
3339 }
3340
3341 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3342 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3343 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3344}
3345
3346static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3347 int crtc)
3348{
3349 u32 tmp;
3350
3351 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3352 DRM_DEBUG("invalid crtc %d\n", crtc);
3353 return;
3354 }
3355
3356 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3357 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3358 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3359}
3360
3361static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3362 int crtc)
3363{
3364 u32 tmp;
3365
3366 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3367 DRM_DEBUG("invalid crtc %d\n", crtc);
3368 return;
3369 }
3370
3371 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3372 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3373 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3374}
3375
3376static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3377 struct amdgpu_irq_src *source,
3378 struct amdgpu_iv_entry *entry)
3379{
3380 unsigned crtc = entry->src_id - 1;
3381 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3382 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3383 crtc);
3384
3385 switch (entry->src_data[0]) {
3386 case 0: /* vblank */
3387 if (disp_int & interrupt_status_offsets[crtc].vblank)
3388 dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3389 else
3390 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3391
3392 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3393 drm_handle_vblank(adev_to_drm(adev), crtc);
3394 }
3395 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3396
3397 break;
3398 case 1: /* vline */
3399 if (disp_int & interrupt_status_offsets[crtc].vline)
3400 dce_v11_0_crtc_vline_int_ack(adev, crtc);
3401 else
3402 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3403
3404 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3405
3406 break;
3407 default:
3408 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3409 break;
3410 }
3411
3412 return 0;
3413}
3414
3415static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3416 struct amdgpu_irq_src *source,
3417 struct amdgpu_iv_entry *entry)
3418{
3419 uint32_t disp_int, mask;
3420 unsigned hpd;
3421
3422 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3423 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3424 return 0;
3425 }
3426
3427 hpd = entry->src_data[0];
3428 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3429 mask = interrupt_status_offsets[hpd].hpd;
3430
3431 if (disp_int & mask) {
3432 dce_v11_0_hpd_int_ack(adev, hpd);
3433 schedule_delayed_work(&adev->hotplug_work, 0);
3434 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3435 }
3436
3437 return 0;
3438}
3439
3440static int dce_v11_0_set_clockgating_state(void *handle,
3441 enum amd_clockgating_state state)
3442{
3443 return 0;
3444}
3445
3446static int dce_v11_0_set_powergating_state(void *handle,
3447 enum amd_powergating_state state)
3448{
3449 return 0;
3450}
3451
3452static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3453 .name = "dce_v11_0",
3454 .early_init = dce_v11_0_early_init,
3455 .late_init = NULL,
3456 .sw_init = dce_v11_0_sw_init,
3457 .sw_fini = dce_v11_0_sw_fini,
3458 .hw_init = dce_v11_0_hw_init,
3459 .hw_fini = dce_v11_0_hw_fini,
3460 .suspend = dce_v11_0_suspend,
3461 .resume = dce_v11_0_resume,
3462 .is_idle = dce_v11_0_is_idle,
3463 .wait_for_idle = dce_v11_0_wait_for_idle,
3464 .soft_reset = dce_v11_0_soft_reset,
3465 .set_clockgating_state = dce_v11_0_set_clockgating_state,
3466 .set_powergating_state = dce_v11_0_set_powergating_state,
3467};
3468
3469static void
3470dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3471 struct drm_display_mode *mode,
3472 struct drm_display_mode *adjusted_mode)
3473{
3474 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3475
3476 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3477
3478 /* need to call this here rather than in prepare() since we need some crtc info */
3479 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3480
3481 /* set scaler clears this on some chips */
3482 dce_v11_0_set_interleave(encoder->crtc, mode);
3483
3484 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3485 dce_v11_0_afmt_enable(encoder, true);
3486 dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3487 }
3488}
3489
3490static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3491{
3492 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3493 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3494 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3495
3496 if ((amdgpu_encoder->active_device &
3497 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3498 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3499 ENCODER_OBJECT_ID_NONE)) {
3500 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3501 if (dig) {
3502 dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3503 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3504 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3505 }
3506 }
3507
3508 amdgpu_atombios_scratch_regs_lock(adev, true);
3509
3510 if (connector) {
3511 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3512
3513 /* select the clock/data port if it uses a router */
3514 if (amdgpu_connector->router.cd_valid)
3515 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3516
3517 /* turn eDP panel on for mode set */
3518 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3519 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3520 ATOM_TRANSMITTER_ACTION_POWER_ON);
3521 }
3522
3523 /* this is needed for the pll/ss setup to work correctly in some cases */
3524 amdgpu_atombios_encoder_set_crtc_source(encoder);
3525 /* set up the FMT blocks */
3526 dce_v11_0_program_fmt(encoder);
3527}
3528
3529static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3530{
3531 struct drm_device *dev = encoder->dev;
3532 struct amdgpu_device *adev = drm_to_adev(dev);
3533
3534 /* need to call this here as we need the crtc set up */
3535 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3536 amdgpu_atombios_scratch_regs_lock(adev, false);
3537}
3538
3539static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3540{
3541 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3542 struct amdgpu_encoder_atom_dig *dig;
3543
3544 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3545
3546 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3547 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3548 dce_v11_0_afmt_enable(encoder, false);
3549 dig = amdgpu_encoder->enc_priv;
3550 dig->dig_encoder = -1;
3551 }
3552 amdgpu_encoder->active_device = 0;
3553}
3554
3555/* these are handled by the primary encoders */
3556static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3557{
3558
3559}
3560
3561static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3562{
3563
3564}
3565
3566static void
3567dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3568 struct drm_display_mode *mode,
3569 struct drm_display_mode *adjusted_mode)
3570{
3571
3572}
3573
3574static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3575{
3576
3577}
3578
3579static void
3580dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3581{
3582
3583}
3584
3585static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3586 .dpms = dce_v11_0_ext_dpms,
3587 .prepare = dce_v11_0_ext_prepare,
3588 .mode_set = dce_v11_0_ext_mode_set,
3589 .commit = dce_v11_0_ext_commit,
3590 .disable = dce_v11_0_ext_disable,
3591 /* no detect for TMDS/LVDS yet */
3592};
3593
3594static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3595 .dpms = amdgpu_atombios_encoder_dpms,
3596 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3597 .prepare = dce_v11_0_encoder_prepare,
3598 .mode_set = dce_v11_0_encoder_mode_set,
3599 .commit = dce_v11_0_encoder_commit,
3600 .disable = dce_v11_0_encoder_disable,
3601 .detect = amdgpu_atombios_encoder_dig_detect,
3602};
3603
3604static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3605 .dpms = amdgpu_atombios_encoder_dpms,
3606 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3607 .prepare = dce_v11_0_encoder_prepare,
3608 .mode_set = dce_v11_0_encoder_mode_set,
3609 .commit = dce_v11_0_encoder_commit,
3610 .detect = amdgpu_atombios_encoder_dac_detect,
3611};
3612
3613static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3614{
3615 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3616 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3617 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3618 kfree(amdgpu_encoder->enc_priv);
3619 drm_encoder_cleanup(encoder);
3620 kfree(amdgpu_encoder);
3621}
3622
3623static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3624 .destroy = dce_v11_0_encoder_destroy,
3625};
3626
3627static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3628 uint32_t encoder_enum,
3629 uint32_t supported_device,
3630 u16 caps)
3631{
3632 struct drm_device *dev = adev_to_drm(adev);
3633 struct drm_encoder *encoder;
3634 struct amdgpu_encoder *amdgpu_encoder;
3635
3636 /* see if we already added it */
3637 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3638 amdgpu_encoder = to_amdgpu_encoder(encoder);
3639 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3640 amdgpu_encoder->devices |= supported_device;
3641 return;
3642 }
3643
3644 }
3645
3646 /* add a new one */
3647 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3648 if (!amdgpu_encoder)
3649 return;
3650
3651 encoder = &amdgpu_encoder->base;
3652 switch (adev->mode_info.num_crtc) {
3653 case 1:
3654 encoder->possible_crtcs = 0x1;
3655 break;
3656 case 2:
3657 default:
3658 encoder->possible_crtcs = 0x3;
3659 break;
3660 case 3:
3661 encoder->possible_crtcs = 0x7;
3662 break;
3663 case 4:
3664 encoder->possible_crtcs = 0xf;
3665 break;
3666 case 5:
3667 encoder->possible_crtcs = 0x1f;
3668 break;
3669 case 6:
3670 encoder->possible_crtcs = 0x3f;
3671 break;
3672 }
3673
3674 amdgpu_encoder->enc_priv = NULL;
3675
3676 amdgpu_encoder->encoder_enum = encoder_enum;
3677 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3678 amdgpu_encoder->devices = supported_device;
3679 amdgpu_encoder->rmx_type = RMX_OFF;
3680 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3681 amdgpu_encoder->is_ext_encoder = false;
3682 amdgpu_encoder->caps = caps;
3683
3684 switch (amdgpu_encoder->encoder_id) {
3685 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3686 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3687 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3688 DRM_MODE_ENCODER_DAC, NULL);
3689 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3690 break;
3691 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3692 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3693 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3694 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3695 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3696 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3697 amdgpu_encoder->rmx_type = RMX_FULL;
3698 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3699 DRM_MODE_ENCODER_LVDS, NULL);
3700 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3701 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3702 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3703 DRM_MODE_ENCODER_DAC, NULL);
3704 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3705 } else {
3706 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3707 DRM_MODE_ENCODER_TMDS, NULL);
3708 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3709 }
3710 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3711 break;
3712 case ENCODER_OBJECT_ID_SI170B:
3713 case ENCODER_OBJECT_ID_CH7303:
3714 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3715 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3716 case ENCODER_OBJECT_ID_TITFP513:
3717 case ENCODER_OBJECT_ID_VT1623:
3718 case ENCODER_OBJECT_ID_HDMI_SI1930:
3719 case ENCODER_OBJECT_ID_TRAVIS:
3720 case ENCODER_OBJECT_ID_NUTMEG:
3721 /* these are handled by the primary encoders */
3722 amdgpu_encoder->is_ext_encoder = true;
3723 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3724 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3725 DRM_MODE_ENCODER_LVDS, NULL);
3726 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3727 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3728 DRM_MODE_ENCODER_DAC, NULL);
3729 else
3730 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3731 DRM_MODE_ENCODER_TMDS, NULL);
3732 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3733 break;
3734 }
3735}
3736
3737static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3738 .bandwidth_update = &dce_v11_0_bandwidth_update,
3739 .vblank_get_counter = &dce_v11_0_vblank_get_counter,
3740 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3741 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3742 .hpd_sense = &dce_v11_0_hpd_sense,
3743 .hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3744 .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3745 .page_flip = &dce_v11_0_page_flip,
3746 .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3747 .add_encoder = &dce_v11_0_encoder_add,
3748 .add_connector = &amdgpu_connector_add,
3749};
3750
3751static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3752{
3753 adev->mode_info.funcs = &dce_v11_0_display_funcs;
3754}
3755
3756static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3757 .set = dce_v11_0_set_crtc_irq_state,
3758 .process = dce_v11_0_crtc_irq,
3759};
3760
3761static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3762 .set = dce_v11_0_set_pageflip_irq_state,
3763 .process = dce_v11_0_pageflip_irq,
3764};
3765
3766static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3767 .set = dce_v11_0_set_hpd_irq_state,
3768 .process = dce_v11_0_hpd_irq,
3769};
3770
3771static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3772{
3773 if (adev->mode_info.num_crtc > 0)
3774 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3775 else
3776 adev->crtc_irq.num_types = 0;
3777 adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3778
3779 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3780 adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3781
3782 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3783 adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3784}
3785
3786const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3787{
3788 .type = AMD_IP_BLOCK_TYPE_DCE,
3789 .major = 11,
3790 .minor = 0,
3791 .rev = 0,
3792 .funcs = &dce_v11_0_ip_funcs,
3793};
3794
3795const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3796{
3797 .type = AMD_IP_BLOCK_TYPE_DCE,
3798 .major = 11,
3799 .minor = 2,
3800 .rev = 0,
3801 .funcs = &dce_v11_0_ip_funcs,
3802};
1/*
2 * Copyright 2014 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#include <drm/drm_edid.h>
25#include <drm/drm_fourcc.h>
26#include <drm/drm_modeset_helper.h>
27#include <drm/drm_modeset_helper_vtables.h>
28#include <drm/drm_vblank.h>
29
30#include "amdgpu.h"
31#include "amdgpu_pm.h"
32#include "amdgpu_i2c.h"
33#include "vid.h"
34#include "atom.h"
35#include "amdgpu_atombios.h"
36#include "atombios_crtc.h"
37#include "atombios_encoders.h"
38#include "amdgpu_pll.h"
39#include "amdgpu_connectors.h"
40#include "amdgpu_display.h"
41#include "dce_v11_0.h"
42
43#include "dce/dce_11_0_d.h"
44#include "dce/dce_11_0_sh_mask.h"
45#include "dce/dce_11_0_enum.h"
46#include "oss/oss_3_0_d.h"
47#include "oss/oss_3_0_sh_mask.h"
48#include "gmc/gmc_8_1_d.h"
49#include "gmc/gmc_8_1_sh_mask.h"
50
51#include "ivsrcid/ivsrcid_vislands30.h"
52
53static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
54static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
55
56static const u32 crtc_offsets[] =
57{
58 CRTC0_REGISTER_OFFSET,
59 CRTC1_REGISTER_OFFSET,
60 CRTC2_REGISTER_OFFSET,
61 CRTC3_REGISTER_OFFSET,
62 CRTC4_REGISTER_OFFSET,
63 CRTC5_REGISTER_OFFSET,
64 CRTC6_REGISTER_OFFSET
65};
66
67static const u32 hpd_offsets[] =
68{
69 HPD0_REGISTER_OFFSET,
70 HPD1_REGISTER_OFFSET,
71 HPD2_REGISTER_OFFSET,
72 HPD3_REGISTER_OFFSET,
73 HPD4_REGISTER_OFFSET,
74 HPD5_REGISTER_OFFSET
75};
76
77static const uint32_t dig_offsets[] = {
78 DIG0_REGISTER_OFFSET,
79 DIG1_REGISTER_OFFSET,
80 DIG2_REGISTER_OFFSET,
81 DIG3_REGISTER_OFFSET,
82 DIG4_REGISTER_OFFSET,
83 DIG5_REGISTER_OFFSET,
84 DIG6_REGISTER_OFFSET,
85 DIG7_REGISTER_OFFSET,
86 DIG8_REGISTER_OFFSET
87};
88
89static const struct {
90 uint32_t reg;
91 uint32_t vblank;
92 uint32_t vline;
93 uint32_t hpd;
94
95} interrupt_status_offsets[] = { {
96 .reg = mmDISP_INTERRUPT_STATUS,
97 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
98 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
99 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
100}, {
101 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
102 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
103 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
104 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
105}, {
106 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
107 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
108 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
109 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
110}, {
111 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
112 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
113 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
114 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
115}, {
116 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
117 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
118 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
119 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
120}, {
121 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
122 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
123 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
124 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
125} };
126
127static const u32 cz_golden_settings_a11[] =
128{
129 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
130 mmFBC_MISC, 0x1f311fff, 0x14300000,
131};
132
133static const u32 cz_mgcg_cgcg_init[] =
134{
135 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
136 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
137};
138
139static const u32 stoney_golden_settings_a11[] =
140{
141 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
142 mmFBC_MISC, 0x1f311fff, 0x14302000,
143};
144
145static const u32 polaris11_golden_settings_a11[] =
146{
147 mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
148 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
149 mmFBC_DEBUG1, 0xffffffff, 0x00000008,
150 mmFBC_MISC, 0x9f313fff, 0x14302008,
151 mmHDMI_CONTROL, 0x313f031f, 0x00000011,
152};
153
154static const u32 polaris10_golden_settings_a11[] =
155{
156 mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
157 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
158 mmFBC_MISC, 0x9f313fff, 0x14302008,
159 mmHDMI_CONTROL, 0x313f031f, 0x00000011,
160};
161
162static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
163{
164 switch (adev->asic_type) {
165 case CHIP_CARRIZO:
166 amdgpu_device_program_register_sequence(adev,
167 cz_mgcg_cgcg_init,
168 ARRAY_SIZE(cz_mgcg_cgcg_init));
169 amdgpu_device_program_register_sequence(adev,
170 cz_golden_settings_a11,
171 ARRAY_SIZE(cz_golden_settings_a11));
172 break;
173 case CHIP_STONEY:
174 amdgpu_device_program_register_sequence(adev,
175 stoney_golden_settings_a11,
176 ARRAY_SIZE(stoney_golden_settings_a11));
177 break;
178 case CHIP_POLARIS11:
179 case CHIP_POLARIS12:
180 amdgpu_device_program_register_sequence(adev,
181 polaris11_golden_settings_a11,
182 ARRAY_SIZE(polaris11_golden_settings_a11));
183 break;
184 case CHIP_POLARIS10:
185 case CHIP_VEGAM:
186 amdgpu_device_program_register_sequence(adev,
187 polaris10_golden_settings_a11,
188 ARRAY_SIZE(polaris10_golden_settings_a11));
189 break;
190 default:
191 break;
192 }
193}
194
195static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
196 u32 block_offset, u32 reg)
197{
198 unsigned long flags;
199 u32 r;
200
201 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
202 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
203 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
204 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
205
206 return r;
207}
208
209static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
210 u32 block_offset, u32 reg, u32 v)
211{
212 unsigned long flags;
213
214 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
215 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
216 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
217 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
218}
219
220static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
221{
222 if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
223 return 0;
224 else
225 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
226}
227
228static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
229{
230 unsigned i;
231
232 /* Enable pflip interrupts */
233 for (i = 0; i < adev->mode_info.num_crtc; i++)
234 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
235}
236
237static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
238{
239 unsigned i;
240
241 /* Disable pflip interrupts */
242 for (i = 0; i < adev->mode_info.num_crtc; i++)
243 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
244}
245
246/**
247 * dce_v11_0_page_flip - pageflip callback.
248 *
249 * @adev: amdgpu_device pointer
250 * @crtc_id: crtc to cleanup pageflip on
251 * @crtc_base: new address of the crtc (GPU MC address)
252 * @async: asynchronous flip
253 *
254 * Triggers the actual pageflip by updating the primary
255 * surface base address.
256 */
257static void dce_v11_0_page_flip(struct amdgpu_device *adev,
258 int crtc_id, u64 crtc_base, bool async)
259{
260 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
261 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
262 u32 tmp;
263
264 /* flip immediate for async, default is vsync */
265 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
266 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
267 GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
268 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
269 /* update pitch */
270 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
271 fb->pitches[0] / fb->format->cpp[0]);
272 /* update the scanout addresses */
273 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
274 upper_32_bits(crtc_base));
275 /* writing to the low address triggers the update */
276 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
277 lower_32_bits(crtc_base));
278 /* post the write */
279 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
280}
281
282static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
283 u32 *vbl, u32 *position)
284{
285 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
286 return -EINVAL;
287
288 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
289 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
290
291 return 0;
292}
293
294/**
295 * dce_v11_0_hpd_sense - hpd sense callback.
296 *
297 * @adev: amdgpu_device pointer
298 * @hpd: hpd (hotplug detect) pin
299 *
300 * Checks if a digital monitor is connected (evergreen+).
301 * Returns true if connected, false if not connected.
302 */
303static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
304 enum amdgpu_hpd_id hpd)
305{
306 bool connected = false;
307
308 if (hpd >= adev->mode_info.num_hpd)
309 return connected;
310
311 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
312 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
313 connected = true;
314
315 return connected;
316}
317
318/**
319 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
320 *
321 * @adev: amdgpu_device pointer
322 * @hpd: hpd (hotplug detect) pin
323 *
324 * Set the polarity of the hpd pin (evergreen+).
325 */
326static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
327 enum amdgpu_hpd_id hpd)
328{
329 u32 tmp;
330 bool connected = dce_v11_0_hpd_sense(adev, hpd);
331
332 if (hpd >= adev->mode_info.num_hpd)
333 return;
334
335 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
336 if (connected)
337 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
338 else
339 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
340 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
341}
342
343/**
344 * dce_v11_0_hpd_init - hpd setup callback.
345 *
346 * @adev: amdgpu_device pointer
347 *
348 * Setup the hpd pins used by the card (evergreen+).
349 * Enable the pin, set the polarity, and enable the hpd interrupts.
350 */
351static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
352{
353 struct drm_device *dev = adev_to_drm(adev);
354 struct drm_connector *connector;
355 struct drm_connector_list_iter iter;
356 u32 tmp;
357
358 drm_connector_list_iter_begin(dev, &iter);
359 drm_for_each_connector_iter(connector, &iter) {
360 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
361
362 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
363 continue;
364
365 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
366 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
367 /* don't try to enable hpd on eDP or LVDS avoid breaking the
368 * aux dp channel on imac and help (but not completely fix)
369 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
370 * also avoid interrupt storms during dpms.
371 */
372 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
373 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
374 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
375 continue;
376 }
377
378 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
379 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
380 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
381
382 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
383 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
384 DC_HPD_CONNECT_INT_DELAY,
385 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
386 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
387 DC_HPD_DISCONNECT_INT_DELAY,
388 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
389 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
390
391 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
392 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
393 }
394 drm_connector_list_iter_end(&iter);
395}
396
397/**
398 * dce_v11_0_hpd_fini - hpd tear down callback.
399 *
400 * @adev: amdgpu_device pointer
401 *
402 * Tear down the hpd pins used by the card (evergreen+).
403 * Disable the hpd interrupts.
404 */
405static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
406{
407 struct drm_device *dev = adev_to_drm(adev);
408 struct drm_connector *connector;
409 struct drm_connector_list_iter iter;
410 u32 tmp;
411
412 drm_connector_list_iter_begin(dev, &iter);
413 drm_for_each_connector_iter(connector, &iter) {
414 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
415
416 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
417 continue;
418
419 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
420 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
421 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
422
423 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
424 }
425 drm_connector_list_iter_end(&iter);
426}
427
428static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
429{
430 return mmDC_GPIO_HPD_A;
431}
432
433static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
434{
435 u32 crtc_hung = 0;
436 u32 crtc_status[6];
437 u32 i, j, tmp;
438
439 for (i = 0; i < adev->mode_info.num_crtc; i++) {
440 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
441 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
442 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
443 crtc_hung |= (1 << i);
444 }
445 }
446
447 for (j = 0; j < 10; j++) {
448 for (i = 0; i < adev->mode_info.num_crtc; i++) {
449 if (crtc_hung & (1 << i)) {
450 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
451 if (tmp != crtc_status[i])
452 crtc_hung &= ~(1 << i);
453 }
454 }
455 if (crtc_hung == 0)
456 return false;
457 udelay(100);
458 }
459
460 return true;
461}
462
463static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
464 bool render)
465{
466 u32 tmp;
467
468 /* Lockout access through VGA aperture*/
469 tmp = RREG32(mmVGA_HDP_CONTROL);
470 if (render)
471 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
472 else
473 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
474 WREG32(mmVGA_HDP_CONTROL, tmp);
475
476 /* disable VGA render */
477 tmp = RREG32(mmVGA_RENDER_CONTROL);
478 if (render)
479 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
480 else
481 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
482 WREG32(mmVGA_RENDER_CONTROL, tmp);
483}
484
485static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
486{
487 int num_crtc = 0;
488
489 switch (adev->asic_type) {
490 case CHIP_CARRIZO:
491 num_crtc = 3;
492 break;
493 case CHIP_STONEY:
494 num_crtc = 2;
495 break;
496 case CHIP_POLARIS10:
497 case CHIP_VEGAM:
498 num_crtc = 6;
499 break;
500 case CHIP_POLARIS11:
501 case CHIP_POLARIS12:
502 num_crtc = 5;
503 break;
504 default:
505 num_crtc = 0;
506 }
507 return num_crtc;
508}
509
510void dce_v11_0_disable_dce(struct amdgpu_device *adev)
511{
512 /*Disable VGA render and enabled crtc, if has DCE engine*/
513 if (amdgpu_atombios_has_dce_engine_info(adev)) {
514 u32 tmp;
515 int crtc_enabled, i;
516
517 dce_v11_0_set_vga_render_state(adev, false);
518
519 /*Disable crtc*/
520 for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
521 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
522 CRTC_CONTROL, CRTC_MASTER_EN);
523 if (crtc_enabled) {
524 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
525 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
526 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
527 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
528 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
529 }
530 }
531 }
532}
533
534static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
535{
536 struct drm_device *dev = encoder->dev;
537 struct amdgpu_device *adev = drm_to_adev(dev);
538 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
539 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
540 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
541 int bpc = 0;
542 u32 tmp = 0;
543 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
544
545 if (connector) {
546 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
547 bpc = amdgpu_connector_get_monitor_bpc(connector);
548 dither = amdgpu_connector->dither;
549 }
550
551 /* LVDS/eDP FMT is set up by atom */
552 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
553 return;
554
555 /* not needed for analog */
556 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
557 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
558 return;
559
560 if (bpc == 0)
561 return;
562
563 switch (bpc) {
564 case 6:
565 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
566 /* XXX sort out optimal dither settings */
567 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
568 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
569 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
570 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
571 } else {
572 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
573 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
574 }
575 break;
576 case 8:
577 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
578 /* XXX sort out optimal dither settings */
579 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
580 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
581 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
582 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
583 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
584 } else {
585 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
586 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
587 }
588 break;
589 case 10:
590 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
591 /* XXX sort out optimal dither settings */
592 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
593 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
594 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
595 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
596 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
597 } else {
598 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
599 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
600 }
601 break;
602 default:
603 /* not needed */
604 break;
605 }
606
607 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
608}
609
610
611/* display watermark setup */
612/**
613 * dce_v11_0_line_buffer_adjust - Set up the line buffer
614 *
615 * @adev: amdgpu_device pointer
616 * @amdgpu_crtc: the selected display controller
617 * @mode: the current display mode on the selected display
618 * controller
619 *
620 * Setup up the line buffer allocation for
621 * the selected display controller (CIK).
622 * Returns the line buffer size in pixels.
623 */
624static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
625 struct amdgpu_crtc *amdgpu_crtc,
626 struct drm_display_mode *mode)
627{
628 u32 tmp, buffer_alloc, i, mem_cfg;
629 u32 pipe_offset = amdgpu_crtc->crtc_id;
630 /*
631 * Line Buffer Setup
632 * There are 6 line buffers, one for each display controllers.
633 * There are 3 partitions per LB. Select the number of partitions
634 * to enable based on the display width. For display widths larger
635 * than 4096, you need use to use 2 display controllers and combine
636 * them using the stereo blender.
637 */
638 if (amdgpu_crtc->base.enabled && mode) {
639 if (mode->crtc_hdisplay < 1920) {
640 mem_cfg = 1;
641 buffer_alloc = 2;
642 } else if (mode->crtc_hdisplay < 2560) {
643 mem_cfg = 2;
644 buffer_alloc = 2;
645 } else if (mode->crtc_hdisplay < 4096) {
646 mem_cfg = 0;
647 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
648 } else {
649 DRM_DEBUG_KMS("Mode too big for LB!\n");
650 mem_cfg = 0;
651 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
652 }
653 } else {
654 mem_cfg = 1;
655 buffer_alloc = 0;
656 }
657
658 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
659 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
660 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
661
662 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
663 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
664 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
665
666 for (i = 0; i < adev->usec_timeout; i++) {
667 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
668 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
669 break;
670 udelay(1);
671 }
672
673 if (amdgpu_crtc->base.enabled && mode) {
674 switch (mem_cfg) {
675 case 0:
676 default:
677 return 4096 * 2;
678 case 1:
679 return 1920 * 2;
680 case 2:
681 return 2560 * 2;
682 }
683 }
684
685 /* controller not enabled, so no lb used */
686 return 0;
687}
688
689/**
690 * cik_get_number_of_dram_channels - get the number of dram channels
691 *
692 * @adev: amdgpu_device pointer
693 *
694 * Look up the number of video ram channels (CIK).
695 * Used for display watermark bandwidth calculations
696 * Returns the number of dram channels
697 */
698static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
699{
700 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
701
702 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
703 case 0:
704 default:
705 return 1;
706 case 1:
707 return 2;
708 case 2:
709 return 4;
710 case 3:
711 return 8;
712 case 4:
713 return 3;
714 case 5:
715 return 6;
716 case 6:
717 return 10;
718 case 7:
719 return 12;
720 case 8:
721 return 16;
722 }
723}
724
725struct dce10_wm_params {
726 u32 dram_channels; /* number of dram channels */
727 u32 yclk; /* bandwidth per dram data pin in kHz */
728 u32 sclk; /* engine clock in kHz */
729 u32 disp_clk; /* display clock in kHz */
730 u32 src_width; /* viewport width */
731 u32 active_time; /* active display time in ns */
732 u32 blank_time; /* blank time in ns */
733 bool interlaced; /* mode is interlaced */
734 fixed20_12 vsc; /* vertical scale ratio */
735 u32 num_heads; /* number of active crtcs */
736 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
737 u32 lb_size; /* line buffer allocated to pipe */
738 u32 vtaps; /* vertical scaler taps */
739};
740
741/**
742 * dce_v11_0_dram_bandwidth - get the dram bandwidth
743 *
744 * @wm: watermark calculation data
745 *
746 * Calculate the raw dram bandwidth (CIK).
747 * Used for display watermark bandwidth calculations
748 * Returns the dram bandwidth in MBytes/s
749 */
750static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
751{
752 /* Calculate raw DRAM Bandwidth */
753 fixed20_12 dram_efficiency; /* 0.7 */
754 fixed20_12 yclk, dram_channels, bandwidth;
755 fixed20_12 a;
756
757 a.full = dfixed_const(1000);
758 yclk.full = dfixed_const(wm->yclk);
759 yclk.full = dfixed_div(yclk, a);
760 dram_channels.full = dfixed_const(wm->dram_channels * 4);
761 a.full = dfixed_const(10);
762 dram_efficiency.full = dfixed_const(7);
763 dram_efficiency.full = dfixed_div(dram_efficiency, a);
764 bandwidth.full = dfixed_mul(dram_channels, yclk);
765 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
766
767 return dfixed_trunc(bandwidth);
768}
769
770/**
771 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
772 *
773 * @wm: watermark calculation data
774 *
775 * Calculate the dram bandwidth used for display (CIK).
776 * Used for display watermark bandwidth calculations
777 * Returns the dram bandwidth for display in MBytes/s
778 */
779static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
780{
781 /* Calculate DRAM Bandwidth and the part allocated to display. */
782 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
783 fixed20_12 yclk, dram_channels, bandwidth;
784 fixed20_12 a;
785
786 a.full = dfixed_const(1000);
787 yclk.full = dfixed_const(wm->yclk);
788 yclk.full = dfixed_div(yclk, a);
789 dram_channels.full = dfixed_const(wm->dram_channels * 4);
790 a.full = dfixed_const(10);
791 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
792 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
793 bandwidth.full = dfixed_mul(dram_channels, yclk);
794 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
795
796 return dfixed_trunc(bandwidth);
797}
798
799/**
800 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
801 *
802 * @wm: watermark calculation data
803 *
804 * Calculate the data return bandwidth used for display (CIK).
805 * Used for display watermark bandwidth calculations
806 * Returns the data return bandwidth in MBytes/s
807 */
808static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
809{
810 /* Calculate the display Data return Bandwidth */
811 fixed20_12 return_efficiency; /* 0.8 */
812 fixed20_12 sclk, bandwidth;
813 fixed20_12 a;
814
815 a.full = dfixed_const(1000);
816 sclk.full = dfixed_const(wm->sclk);
817 sclk.full = dfixed_div(sclk, a);
818 a.full = dfixed_const(10);
819 return_efficiency.full = dfixed_const(8);
820 return_efficiency.full = dfixed_div(return_efficiency, a);
821 a.full = dfixed_const(32);
822 bandwidth.full = dfixed_mul(a, sclk);
823 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
824
825 return dfixed_trunc(bandwidth);
826}
827
828/**
829 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
830 *
831 * @wm: watermark calculation data
832 *
833 * Calculate the dmif bandwidth used for display (CIK).
834 * Used for display watermark bandwidth calculations
835 * Returns the dmif bandwidth in MBytes/s
836 */
837static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
838{
839 /* Calculate the DMIF Request Bandwidth */
840 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
841 fixed20_12 disp_clk, bandwidth;
842 fixed20_12 a, b;
843
844 a.full = dfixed_const(1000);
845 disp_clk.full = dfixed_const(wm->disp_clk);
846 disp_clk.full = dfixed_div(disp_clk, a);
847 a.full = dfixed_const(32);
848 b.full = dfixed_mul(a, disp_clk);
849
850 a.full = dfixed_const(10);
851 disp_clk_request_efficiency.full = dfixed_const(8);
852 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
853
854 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
855
856 return dfixed_trunc(bandwidth);
857}
858
859/**
860 * dce_v11_0_available_bandwidth - get the min available bandwidth
861 *
862 * @wm: watermark calculation data
863 *
864 * Calculate the min available bandwidth used for display (CIK).
865 * Used for display watermark bandwidth calculations
866 * Returns the min available bandwidth in MBytes/s
867 */
868static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
869{
870 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
871 u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
872 u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
873 u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
874
875 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
876}
877
878/**
879 * dce_v11_0_average_bandwidth - get the average available bandwidth
880 *
881 * @wm: watermark calculation data
882 *
883 * Calculate the average available bandwidth used for display (CIK).
884 * Used for display watermark bandwidth calculations
885 * Returns the average available bandwidth in MBytes/s
886 */
887static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
888{
889 /* Calculate the display mode Average Bandwidth
890 * DisplayMode should contain the source and destination dimensions,
891 * timing, etc.
892 */
893 fixed20_12 bpp;
894 fixed20_12 line_time;
895 fixed20_12 src_width;
896 fixed20_12 bandwidth;
897 fixed20_12 a;
898
899 a.full = dfixed_const(1000);
900 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
901 line_time.full = dfixed_div(line_time, a);
902 bpp.full = dfixed_const(wm->bytes_per_pixel);
903 src_width.full = dfixed_const(wm->src_width);
904 bandwidth.full = dfixed_mul(src_width, bpp);
905 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
906 bandwidth.full = dfixed_div(bandwidth, line_time);
907
908 return dfixed_trunc(bandwidth);
909}
910
911/**
912 * dce_v11_0_latency_watermark - get the latency watermark
913 *
914 * @wm: watermark calculation data
915 *
916 * Calculate the latency watermark (CIK).
917 * Used for display watermark bandwidth calculations
918 * Returns the latency watermark in ns
919 */
920static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
921{
922 /* First calculate the latency in ns */
923 u32 mc_latency = 2000; /* 2000 ns. */
924 u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
925 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
926 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
927 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
928 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
929 (wm->num_heads * cursor_line_pair_return_time);
930 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
931 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
932 u32 tmp, dmif_size = 12288;
933 fixed20_12 a, b, c;
934
935 if (wm->num_heads == 0)
936 return 0;
937
938 a.full = dfixed_const(2);
939 b.full = dfixed_const(1);
940 if ((wm->vsc.full > a.full) ||
941 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
942 (wm->vtaps >= 5) ||
943 ((wm->vsc.full >= a.full) && wm->interlaced))
944 max_src_lines_per_dst_line = 4;
945 else
946 max_src_lines_per_dst_line = 2;
947
948 a.full = dfixed_const(available_bandwidth);
949 b.full = dfixed_const(wm->num_heads);
950 a.full = dfixed_div(a, b);
951 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
952 tmp = min(dfixed_trunc(a), tmp);
953
954 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
955
956 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
957 b.full = dfixed_const(1000);
958 c.full = dfixed_const(lb_fill_bw);
959 b.full = dfixed_div(c, b);
960 a.full = dfixed_div(a, b);
961 line_fill_time = dfixed_trunc(a);
962
963 if (line_fill_time < wm->active_time)
964 return latency;
965 else
966 return latency + (line_fill_time - wm->active_time);
967
968}
969
970/**
971 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
972 * average and available dram bandwidth
973 *
974 * @wm: watermark calculation data
975 *
976 * Check if the display average bandwidth fits in the display
977 * dram bandwidth (CIK).
978 * Used for display watermark bandwidth calculations
979 * Returns true if the display fits, false if not.
980 */
981static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
982{
983 if (dce_v11_0_average_bandwidth(wm) <=
984 (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
985 return true;
986 else
987 return false;
988}
989
990/**
991 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
992 * average and available bandwidth
993 *
994 * @wm: watermark calculation data
995 *
996 * Check if the display average bandwidth fits in the display
997 * available bandwidth (CIK).
998 * Used for display watermark bandwidth calculations
999 * Returns true if the display fits, false if not.
1000 */
1001static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1002{
1003 if (dce_v11_0_average_bandwidth(wm) <=
1004 (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1005 return true;
1006 else
1007 return false;
1008}
1009
1010/**
1011 * dce_v11_0_check_latency_hiding - check latency hiding
1012 *
1013 * @wm: watermark calculation data
1014 *
1015 * Check latency hiding (CIK).
1016 * Used for display watermark bandwidth calculations
1017 * Returns true if the display fits, false if not.
1018 */
1019static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1020{
1021 u32 lb_partitions = wm->lb_size / wm->src_width;
1022 u32 line_time = wm->active_time + wm->blank_time;
1023 u32 latency_tolerant_lines;
1024 u32 latency_hiding;
1025 fixed20_12 a;
1026
1027 a.full = dfixed_const(1);
1028 if (wm->vsc.full > a.full)
1029 latency_tolerant_lines = 1;
1030 else {
1031 if (lb_partitions <= (wm->vtaps + 1))
1032 latency_tolerant_lines = 1;
1033 else
1034 latency_tolerant_lines = 2;
1035 }
1036
1037 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1038
1039 if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1040 return true;
1041 else
1042 return false;
1043}
1044
1045/**
1046 * dce_v11_0_program_watermarks - program display watermarks
1047 *
1048 * @adev: amdgpu_device pointer
1049 * @amdgpu_crtc: the selected display controller
1050 * @lb_size: line buffer size
1051 * @num_heads: number of display controllers in use
1052 *
1053 * Calculate and program the display watermarks for the
1054 * selected display controller (CIK).
1055 */
1056static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1057 struct amdgpu_crtc *amdgpu_crtc,
1058 u32 lb_size, u32 num_heads)
1059{
1060 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1061 struct dce10_wm_params wm_low, wm_high;
1062 u32 active_time;
1063 u32 line_time = 0;
1064 u32 latency_watermark_a = 0, latency_watermark_b = 0;
1065 u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1066
1067 if (amdgpu_crtc->base.enabled && num_heads && mode) {
1068 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1069 (u32)mode->clock);
1070 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1071 (u32)mode->clock);
1072 line_time = min_t(u32, line_time, 65535);
1073
1074 /* watermark for high clocks */
1075 if (adev->pm.dpm_enabled) {
1076 wm_high.yclk =
1077 amdgpu_dpm_get_mclk(adev, false) * 10;
1078 wm_high.sclk =
1079 amdgpu_dpm_get_sclk(adev, false) * 10;
1080 } else {
1081 wm_high.yclk = adev->pm.current_mclk * 10;
1082 wm_high.sclk = adev->pm.current_sclk * 10;
1083 }
1084
1085 wm_high.disp_clk = mode->clock;
1086 wm_high.src_width = mode->crtc_hdisplay;
1087 wm_high.active_time = active_time;
1088 wm_high.blank_time = line_time - wm_high.active_time;
1089 wm_high.interlaced = false;
1090 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1091 wm_high.interlaced = true;
1092 wm_high.vsc = amdgpu_crtc->vsc;
1093 wm_high.vtaps = 1;
1094 if (amdgpu_crtc->rmx_type != RMX_OFF)
1095 wm_high.vtaps = 2;
1096 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1097 wm_high.lb_size = lb_size;
1098 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1099 wm_high.num_heads = num_heads;
1100
1101 /* set for high clocks */
1102 latency_watermark_a = min_t(u32, dce_v11_0_latency_watermark(&wm_high), 65535);
1103
1104 /* possibly force display priority to high */
1105 /* should really do this at mode validation time... */
1106 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1107 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1108 !dce_v11_0_check_latency_hiding(&wm_high) ||
1109 (adev->mode_info.disp_priority == 2)) {
1110 DRM_DEBUG_KMS("force priority to high\n");
1111 }
1112
1113 /* watermark for low clocks */
1114 if (adev->pm.dpm_enabled) {
1115 wm_low.yclk =
1116 amdgpu_dpm_get_mclk(adev, true) * 10;
1117 wm_low.sclk =
1118 amdgpu_dpm_get_sclk(adev, true) * 10;
1119 } else {
1120 wm_low.yclk = adev->pm.current_mclk * 10;
1121 wm_low.sclk = adev->pm.current_sclk * 10;
1122 }
1123
1124 wm_low.disp_clk = mode->clock;
1125 wm_low.src_width = mode->crtc_hdisplay;
1126 wm_low.active_time = active_time;
1127 wm_low.blank_time = line_time - wm_low.active_time;
1128 wm_low.interlaced = false;
1129 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1130 wm_low.interlaced = true;
1131 wm_low.vsc = amdgpu_crtc->vsc;
1132 wm_low.vtaps = 1;
1133 if (amdgpu_crtc->rmx_type != RMX_OFF)
1134 wm_low.vtaps = 2;
1135 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1136 wm_low.lb_size = lb_size;
1137 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1138 wm_low.num_heads = num_heads;
1139
1140 /* set for low clocks */
1141 latency_watermark_b = min_t(u32, dce_v11_0_latency_watermark(&wm_low), 65535);
1142
1143 /* possibly force display priority to high */
1144 /* should really do this at mode validation time... */
1145 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1146 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1147 !dce_v11_0_check_latency_hiding(&wm_low) ||
1148 (adev->mode_info.disp_priority == 2)) {
1149 DRM_DEBUG_KMS("force priority to high\n");
1150 }
1151 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1152 }
1153
1154 /* select wm A */
1155 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1156 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1157 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1158 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1159 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1160 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1161 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1162 /* select wm B */
1163 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1164 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1165 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1166 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1167 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1168 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1169 /* restore original selection */
1170 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1171
1172 /* save values for DPM */
1173 amdgpu_crtc->line_time = line_time;
1174 amdgpu_crtc->wm_high = latency_watermark_a;
1175 amdgpu_crtc->wm_low = latency_watermark_b;
1176 /* Save number of lines the linebuffer leads before the scanout */
1177 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1178}
1179
1180/**
1181 * dce_v11_0_bandwidth_update - program display watermarks
1182 *
1183 * @adev: amdgpu_device pointer
1184 *
1185 * Calculate and program the display watermarks and line
1186 * buffer allocation (CIK).
1187 */
1188static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1189{
1190 struct drm_display_mode *mode = NULL;
1191 u32 num_heads = 0, lb_size;
1192 int i;
1193
1194 amdgpu_display_update_priority(adev);
1195
1196 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1197 if (adev->mode_info.crtcs[i]->base.enabled)
1198 num_heads++;
1199 }
1200 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1201 mode = &adev->mode_info.crtcs[i]->base.mode;
1202 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1203 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1204 lb_size, num_heads);
1205 }
1206}
1207
1208static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1209{
1210 int i;
1211 u32 offset, tmp;
1212
1213 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1214 offset = adev->mode_info.audio.pin[i].offset;
1215 tmp = RREG32_AUDIO_ENDPT(offset,
1216 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1217 if (((tmp &
1218 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1219 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1220 adev->mode_info.audio.pin[i].connected = false;
1221 else
1222 adev->mode_info.audio.pin[i].connected = true;
1223 }
1224}
1225
1226static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1227{
1228 int i;
1229
1230 dce_v11_0_audio_get_connected_pins(adev);
1231
1232 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1233 if (adev->mode_info.audio.pin[i].connected)
1234 return &adev->mode_info.audio.pin[i];
1235 }
1236 DRM_ERROR("No connected audio pins found!\n");
1237 return NULL;
1238}
1239
1240static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1241{
1242 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1243 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1244 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1245 u32 tmp;
1246
1247 if (!dig || !dig->afmt || !dig->afmt->pin)
1248 return;
1249
1250 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1251 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1252 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1253}
1254
1255static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1256 struct drm_display_mode *mode)
1257{
1258 struct drm_device *dev = encoder->dev;
1259 struct amdgpu_device *adev = drm_to_adev(dev);
1260 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1261 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1262 struct drm_connector *connector;
1263 struct drm_connector_list_iter iter;
1264 struct amdgpu_connector *amdgpu_connector = NULL;
1265 u32 tmp;
1266 int interlace = 0;
1267
1268 if (!dig || !dig->afmt || !dig->afmt->pin)
1269 return;
1270
1271 drm_connector_list_iter_begin(dev, &iter);
1272 drm_for_each_connector_iter(connector, &iter) {
1273 if (connector->encoder == encoder) {
1274 amdgpu_connector = to_amdgpu_connector(connector);
1275 break;
1276 }
1277 }
1278 drm_connector_list_iter_end(&iter);
1279
1280 if (!amdgpu_connector) {
1281 DRM_ERROR("Couldn't find encoder's connector\n");
1282 return;
1283 }
1284
1285 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1286 interlace = 1;
1287 if (connector->latency_present[interlace]) {
1288 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1289 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1290 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1291 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1292 } else {
1293 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1294 VIDEO_LIPSYNC, 0);
1295 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1296 AUDIO_LIPSYNC, 0);
1297 }
1298 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1299 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1300}
1301
1302static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1303{
1304 struct drm_device *dev = encoder->dev;
1305 struct amdgpu_device *adev = drm_to_adev(dev);
1306 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1307 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1308 struct drm_connector *connector;
1309 struct drm_connector_list_iter iter;
1310 struct amdgpu_connector *amdgpu_connector = NULL;
1311 u32 tmp;
1312 u8 *sadb = NULL;
1313 int sad_count;
1314
1315 if (!dig || !dig->afmt || !dig->afmt->pin)
1316 return;
1317
1318 drm_connector_list_iter_begin(dev, &iter);
1319 drm_for_each_connector_iter(connector, &iter) {
1320 if (connector->encoder == encoder) {
1321 amdgpu_connector = to_amdgpu_connector(connector);
1322 break;
1323 }
1324 }
1325 drm_connector_list_iter_end(&iter);
1326
1327 if (!amdgpu_connector) {
1328 DRM_ERROR("Couldn't find encoder's connector\n");
1329 return;
1330 }
1331
1332 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1333 if (sad_count < 0) {
1334 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1335 sad_count = 0;
1336 }
1337
1338 /* program the speaker allocation */
1339 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1340 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1341 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1342 DP_CONNECTION, 0);
1343 /* set HDMI mode */
1344 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1345 HDMI_CONNECTION, 1);
1346 if (sad_count)
1347 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1348 SPEAKER_ALLOCATION, sadb[0]);
1349 else
1350 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1351 SPEAKER_ALLOCATION, 5); /* stereo */
1352 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1353 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1354
1355 kfree(sadb);
1356}
1357
1358static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1359{
1360 struct drm_device *dev = encoder->dev;
1361 struct amdgpu_device *adev = drm_to_adev(dev);
1362 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1363 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1364 struct drm_connector *connector;
1365 struct drm_connector_list_iter iter;
1366 struct amdgpu_connector *amdgpu_connector = NULL;
1367 struct cea_sad *sads;
1368 int i, sad_count;
1369
1370 static const u16 eld_reg_to_type[][2] = {
1371 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1372 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1373 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1374 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1375 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1376 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1377 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1378 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1379 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1380 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1381 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1382 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1383 };
1384
1385 if (!dig || !dig->afmt || !dig->afmt->pin)
1386 return;
1387
1388 drm_connector_list_iter_begin(dev, &iter);
1389 drm_for_each_connector_iter(connector, &iter) {
1390 if (connector->encoder == encoder) {
1391 amdgpu_connector = to_amdgpu_connector(connector);
1392 break;
1393 }
1394 }
1395 drm_connector_list_iter_end(&iter);
1396
1397 if (!amdgpu_connector) {
1398 DRM_ERROR("Couldn't find encoder's connector\n");
1399 return;
1400 }
1401
1402 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1403 if (sad_count < 0)
1404 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1405 if (sad_count <= 0)
1406 return;
1407 BUG_ON(!sads);
1408
1409 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1410 u32 tmp = 0;
1411 u8 stereo_freqs = 0;
1412 int max_channels = -1;
1413 int j;
1414
1415 for (j = 0; j < sad_count; j++) {
1416 struct cea_sad *sad = &sads[j];
1417
1418 if (sad->format == eld_reg_to_type[i][1]) {
1419 if (sad->channels > max_channels) {
1420 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1421 MAX_CHANNELS, sad->channels);
1422 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1423 DESCRIPTOR_BYTE_2, sad->byte2);
1424 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1425 SUPPORTED_FREQUENCIES, sad->freq);
1426 max_channels = sad->channels;
1427 }
1428
1429 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1430 stereo_freqs |= sad->freq;
1431 else
1432 break;
1433 }
1434 }
1435
1436 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1437 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1438 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1439 }
1440
1441 kfree(sads);
1442}
1443
1444static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1445 struct amdgpu_audio_pin *pin,
1446 bool enable)
1447{
1448 if (!pin)
1449 return;
1450
1451 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1452 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1453}
1454
1455static const u32 pin_offsets[] =
1456{
1457 AUD0_REGISTER_OFFSET,
1458 AUD1_REGISTER_OFFSET,
1459 AUD2_REGISTER_OFFSET,
1460 AUD3_REGISTER_OFFSET,
1461 AUD4_REGISTER_OFFSET,
1462 AUD5_REGISTER_OFFSET,
1463 AUD6_REGISTER_OFFSET,
1464 AUD7_REGISTER_OFFSET,
1465};
1466
1467static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1468{
1469 int i;
1470
1471 if (!amdgpu_audio)
1472 return 0;
1473
1474 adev->mode_info.audio.enabled = true;
1475
1476 switch (adev->asic_type) {
1477 case CHIP_CARRIZO:
1478 case CHIP_STONEY:
1479 adev->mode_info.audio.num_pins = 7;
1480 break;
1481 case CHIP_POLARIS10:
1482 case CHIP_VEGAM:
1483 adev->mode_info.audio.num_pins = 8;
1484 break;
1485 case CHIP_POLARIS11:
1486 case CHIP_POLARIS12:
1487 adev->mode_info.audio.num_pins = 6;
1488 break;
1489 default:
1490 return -EINVAL;
1491 }
1492
1493 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1494 adev->mode_info.audio.pin[i].channels = -1;
1495 adev->mode_info.audio.pin[i].rate = -1;
1496 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1497 adev->mode_info.audio.pin[i].status_bits = 0;
1498 adev->mode_info.audio.pin[i].category_code = 0;
1499 adev->mode_info.audio.pin[i].connected = false;
1500 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1501 adev->mode_info.audio.pin[i].id = i;
1502 /* disable audio. it will be set up later */
1503 /* XXX remove once we switch to ip funcs */
1504 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1505 }
1506
1507 return 0;
1508}
1509
1510static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1511{
1512 int i;
1513
1514 if (!amdgpu_audio)
1515 return;
1516
1517 if (!adev->mode_info.audio.enabled)
1518 return;
1519
1520 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1521 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1522
1523 adev->mode_info.audio.enabled = false;
1524}
1525
1526/*
1527 * update the N and CTS parameters for a given pixel clock rate
1528 */
1529static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1530{
1531 struct drm_device *dev = encoder->dev;
1532 struct amdgpu_device *adev = drm_to_adev(dev);
1533 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1534 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1535 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1536 u32 tmp;
1537
1538 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1539 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1540 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1541 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1542 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1543 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1544
1545 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1546 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1547 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1548 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1549 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1550 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1551
1552 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1553 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1554 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1555 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1556 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1557 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1558
1559}
1560
1561/*
1562 * build a HDMI Video Info Frame
1563 */
1564static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1565 void *buffer, size_t size)
1566{
1567 struct drm_device *dev = encoder->dev;
1568 struct amdgpu_device *adev = drm_to_adev(dev);
1569 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1570 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1571 uint8_t *frame = buffer + 3;
1572 uint8_t *header = buffer;
1573
1574 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1575 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1576 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1577 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1578 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1579 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1580 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1581 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1582}
1583
1584static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1585{
1586 struct drm_device *dev = encoder->dev;
1587 struct amdgpu_device *adev = drm_to_adev(dev);
1588 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1589 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1590 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1591 u32 dto_phase = 24 * 1000;
1592 u32 dto_modulo = clock;
1593 u32 tmp;
1594
1595 if (!dig || !dig->afmt)
1596 return;
1597
1598 /* XXX two dtos; generally use dto0 for hdmi */
1599 /* Express [24MHz / target pixel clock] as an exact rational
1600 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1601 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1602 */
1603 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1604 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1605 amdgpu_crtc->crtc_id);
1606 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1607 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1608 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1609}
1610
1611/*
1612 * update the info frames with the data from the current display mode
1613 */
1614static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1615 struct drm_display_mode *mode)
1616{
1617 struct drm_device *dev = encoder->dev;
1618 struct amdgpu_device *adev = drm_to_adev(dev);
1619 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1620 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1621 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1622 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1623 struct hdmi_avi_infoframe frame;
1624 ssize_t err;
1625 u32 tmp;
1626 int bpc = 8;
1627
1628 if (!dig || !dig->afmt)
1629 return;
1630
1631 /* Silent, r600_hdmi_enable will raise WARN for us */
1632 if (!dig->afmt->enabled)
1633 return;
1634
1635 /* hdmi deep color mode general control packets setup, if bpc > 8 */
1636 if (encoder->crtc) {
1637 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1638 bpc = amdgpu_crtc->bpc;
1639 }
1640
1641 /* disable audio prior to setting up hw */
1642 dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1643 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1644
1645 dce_v11_0_audio_set_dto(encoder, mode->clock);
1646
1647 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1648 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1649 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1650
1651 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1652
1653 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1654 switch (bpc) {
1655 case 0:
1656 case 6:
1657 case 8:
1658 case 16:
1659 default:
1660 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1661 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1662 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1663 connector->name, bpc);
1664 break;
1665 case 10:
1666 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1667 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1668 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1669 connector->name);
1670 break;
1671 case 12:
1672 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1673 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1674 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1675 connector->name);
1676 break;
1677 }
1678 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1679
1680 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1681 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1682 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1683 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1684 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1685
1686 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1687 /* enable audio info frames (frames won't be set until audio is enabled) */
1688 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1689 /* required for audio info values to be updated */
1690 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1691 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1692
1693 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1694 /* required for audio info values to be updated */
1695 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1696 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1697
1698 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1699 /* anything other than 0 */
1700 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1701 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1702
1703 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1704
1705 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1706 /* set the default audio delay */
1707 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1708 /* should be suffient for all audio modes and small enough for all hblanks */
1709 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1710 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1711
1712 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1713 /* allow 60958 channel status fields to be updated */
1714 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1715 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1716
1717 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1718 if (bpc > 8)
1719 /* clear SW CTS value */
1720 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1721 else
1722 /* select SW CTS value */
1723 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1724 /* allow hw to sent ACR packets when required */
1725 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1726 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1727
1728 dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1729
1730 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1731 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1732 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1733
1734 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1735 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1736 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1737
1738 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1739 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1740 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1741 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1742 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1743 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1744 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1745 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1746
1747 dce_v11_0_audio_write_speaker_allocation(encoder);
1748
1749 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1750 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1751
1752 dce_v11_0_afmt_audio_select_pin(encoder);
1753 dce_v11_0_audio_write_sad_regs(encoder);
1754 dce_v11_0_audio_write_latency_fields(encoder, mode);
1755
1756 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1757 if (err < 0) {
1758 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1759 return;
1760 }
1761
1762 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1763 if (err < 0) {
1764 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1765 return;
1766 }
1767
1768 dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1769
1770 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1771 /* enable AVI info frames */
1772 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1773 /* required for audio info values to be updated */
1774 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1775 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1776
1777 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1778 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1779 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1780
1781 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1782 /* send audio packets */
1783 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1784 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1785
1786 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1787 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1788 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1789 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1790
1791 /* enable audio after to setting up hw */
1792 dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1793}
1794
1795static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1796{
1797 struct drm_device *dev = encoder->dev;
1798 struct amdgpu_device *adev = drm_to_adev(dev);
1799 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1800 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1801
1802 if (!dig || !dig->afmt)
1803 return;
1804
1805 /* Silent, r600_hdmi_enable will raise WARN for us */
1806 if (enable && dig->afmt->enabled)
1807 return;
1808 if (!enable && !dig->afmt->enabled)
1809 return;
1810
1811 if (!enable && dig->afmt->pin) {
1812 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1813 dig->afmt->pin = NULL;
1814 }
1815
1816 dig->afmt->enabled = enable;
1817
1818 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1819 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1820}
1821
1822static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1823{
1824 int i;
1825
1826 for (i = 0; i < adev->mode_info.num_dig; i++)
1827 adev->mode_info.afmt[i] = NULL;
1828
1829 /* DCE11 has audio blocks tied to DIG encoders */
1830 for (i = 0; i < adev->mode_info.num_dig; i++) {
1831 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1832 if (adev->mode_info.afmt[i]) {
1833 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1834 adev->mode_info.afmt[i]->id = i;
1835 } else {
1836 int j;
1837 for (j = 0; j < i; j++) {
1838 kfree(adev->mode_info.afmt[j]);
1839 adev->mode_info.afmt[j] = NULL;
1840 }
1841 return -ENOMEM;
1842 }
1843 }
1844 return 0;
1845}
1846
1847static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1848{
1849 int i;
1850
1851 for (i = 0; i < adev->mode_info.num_dig; i++) {
1852 kfree(adev->mode_info.afmt[i]);
1853 adev->mode_info.afmt[i] = NULL;
1854 }
1855}
1856
1857static const u32 vga_control_regs[6] =
1858{
1859 mmD1VGA_CONTROL,
1860 mmD2VGA_CONTROL,
1861 mmD3VGA_CONTROL,
1862 mmD4VGA_CONTROL,
1863 mmD5VGA_CONTROL,
1864 mmD6VGA_CONTROL,
1865};
1866
1867static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1868{
1869 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1870 struct drm_device *dev = crtc->dev;
1871 struct amdgpu_device *adev = drm_to_adev(dev);
1872 u32 vga_control;
1873
1874 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1875 if (enable)
1876 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1877 else
1878 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1879}
1880
1881static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1882{
1883 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1884 struct drm_device *dev = crtc->dev;
1885 struct amdgpu_device *adev = drm_to_adev(dev);
1886
1887 if (enable)
1888 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1889 else
1890 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1891}
1892
1893static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1894 struct drm_framebuffer *fb,
1895 int x, int y, int atomic)
1896{
1897 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1898 struct drm_device *dev = crtc->dev;
1899 struct amdgpu_device *adev = drm_to_adev(dev);
1900 struct drm_framebuffer *target_fb;
1901 struct drm_gem_object *obj;
1902 struct amdgpu_bo *abo;
1903 uint64_t fb_location, tiling_flags;
1904 uint32_t fb_format, fb_pitch_pixels;
1905 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1906 u32 pipe_config;
1907 u32 tmp, viewport_w, viewport_h;
1908 int r;
1909 bool bypass_lut = false;
1910
1911 /* no fb bound */
1912 if (!atomic && !crtc->primary->fb) {
1913 DRM_DEBUG_KMS("No FB bound\n");
1914 return 0;
1915 }
1916
1917 if (atomic)
1918 target_fb = fb;
1919 else
1920 target_fb = crtc->primary->fb;
1921
1922 /* If atomic, assume fb object is pinned & idle & fenced and
1923 * just update base pointers
1924 */
1925 obj = target_fb->obj[0];
1926 abo = gem_to_amdgpu_bo(obj);
1927 r = amdgpu_bo_reserve(abo, false);
1928 if (unlikely(r != 0))
1929 return r;
1930
1931 if (!atomic) {
1932 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1933 if (unlikely(r != 0)) {
1934 amdgpu_bo_unreserve(abo);
1935 return -EINVAL;
1936 }
1937 }
1938 fb_location = amdgpu_bo_gpu_offset(abo);
1939
1940 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1941 amdgpu_bo_unreserve(abo);
1942
1943 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1944
1945 switch (target_fb->format->format) {
1946 case DRM_FORMAT_C8:
1947 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1948 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1949 break;
1950 case DRM_FORMAT_XRGB4444:
1951 case DRM_FORMAT_ARGB4444:
1952 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1953 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1954#ifdef __BIG_ENDIAN
1955 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1956 ENDIAN_8IN16);
1957#endif
1958 break;
1959 case DRM_FORMAT_XRGB1555:
1960 case DRM_FORMAT_ARGB1555:
1961 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1962 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1963#ifdef __BIG_ENDIAN
1964 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1965 ENDIAN_8IN16);
1966#endif
1967 break;
1968 case DRM_FORMAT_BGRX5551:
1969 case DRM_FORMAT_BGRA5551:
1970 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1971 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1972#ifdef __BIG_ENDIAN
1973 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1974 ENDIAN_8IN16);
1975#endif
1976 break;
1977 case DRM_FORMAT_RGB565:
1978 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1979 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1980#ifdef __BIG_ENDIAN
1981 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1982 ENDIAN_8IN16);
1983#endif
1984 break;
1985 case DRM_FORMAT_XRGB8888:
1986 case DRM_FORMAT_ARGB8888:
1987 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1988 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1989#ifdef __BIG_ENDIAN
1990 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1991 ENDIAN_8IN32);
1992#endif
1993 break;
1994 case DRM_FORMAT_XRGB2101010:
1995 case DRM_FORMAT_ARGB2101010:
1996 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1997 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1998#ifdef __BIG_ENDIAN
1999 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2000 ENDIAN_8IN32);
2001#endif
2002 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2003 bypass_lut = true;
2004 break;
2005 case DRM_FORMAT_BGRX1010102:
2006 case DRM_FORMAT_BGRA1010102:
2007 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2008 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2009#ifdef __BIG_ENDIAN
2010 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2011 ENDIAN_8IN32);
2012#endif
2013 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2014 bypass_lut = true;
2015 break;
2016 case DRM_FORMAT_XBGR8888:
2017 case DRM_FORMAT_ABGR8888:
2018 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2019 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2020 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2021 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2022#ifdef __BIG_ENDIAN
2023 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2024 ENDIAN_8IN32);
2025#endif
2026 break;
2027 default:
2028 DRM_ERROR("Unsupported screen format %p4cc\n",
2029 &target_fb->format->format);
2030 return -EINVAL;
2031 }
2032
2033 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2034 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2035
2036 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2037 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2038 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2039 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2040 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2041
2042 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2043 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2044 ARRAY_2D_TILED_THIN1);
2045 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2046 tile_split);
2047 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2048 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2049 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2050 mtaspect);
2051 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2052 ADDR_SURF_MICRO_TILING_DISPLAY);
2053 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2054 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2055 ARRAY_1D_TILED_THIN1);
2056 }
2057
2058 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2059 pipe_config);
2060
2061 dce_v11_0_vga_enable(crtc, false);
2062
2063 /* Make sure surface address is updated at vertical blank rather than
2064 * horizontal blank
2065 */
2066 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2067 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2068 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2069 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2070
2071 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2072 upper_32_bits(fb_location));
2073 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2074 upper_32_bits(fb_location));
2075 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2076 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2077 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2078 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2079 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2080 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2081
2082 /*
2083 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2084 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2085 * retain the full precision throughout the pipeline.
2086 */
2087 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2088 if (bypass_lut)
2089 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2090 else
2091 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2092 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2093
2094 if (bypass_lut)
2095 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2096
2097 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2098 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2099 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2100 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2101 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2102 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2103
2104 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2105 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2106
2107 dce_v11_0_grph_enable(crtc, true);
2108
2109 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2110 target_fb->height);
2111
2112 x &= ~3;
2113 y &= ~1;
2114 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2115 (x << 16) | y);
2116 viewport_w = crtc->mode.hdisplay;
2117 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2118 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2119 (viewport_w << 16) | viewport_h);
2120
2121 /* set pageflip to happen anywhere in vblank interval */
2122 WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2123
2124 if (!atomic && fb && fb != crtc->primary->fb) {
2125 abo = gem_to_amdgpu_bo(fb->obj[0]);
2126 r = amdgpu_bo_reserve(abo, true);
2127 if (unlikely(r != 0))
2128 return r;
2129 amdgpu_bo_unpin(abo);
2130 amdgpu_bo_unreserve(abo);
2131 }
2132
2133 /* Bytes per pixel may have changed */
2134 dce_v11_0_bandwidth_update(adev);
2135
2136 return 0;
2137}
2138
2139static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2140 struct drm_display_mode *mode)
2141{
2142 struct drm_device *dev = crtc->dev;
2143 struct amdgpu_device *adev = drm_to_adev(dev);
2144 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2145 u32 tmp;
2146
2147 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2148 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2149 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2150 else
2151 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2152 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2153}
2154
2155static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2156{
2157 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2158 struct drm_device *dev = crtc->dev;
2159 struct amdgpu_device *adev = drm_to_adev(dev);
2160 u16 *r, *g, *b;
2161 int i;
2162 u32 tmp;
2163
2164 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2165
2166 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2167 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2168 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2169
2170 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2171 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2172 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2173
2174 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2175 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2176 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2177
2178 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2179
2180 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2181 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2182 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2183
2184 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2185 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2186 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2187
2188 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2189 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2190
2191 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2192 r = crtc->gamma_store;
2193 g = r + crtc->gamma_size;
2194 b = g + crtc->gamma_size;
2195 for (i = 0; i < 256; i++) {
2196 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2197 ((*r++ & 0xffc0) << 14) |
2198 ((*g++ & 0xffc0) << 4) |
2199 (*b++ >> 6));
2200 }
2201
2202 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2203 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2204 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2205 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2206 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2207
2208 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2209 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2210 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2211
2212 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2213 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2214 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2215
2216 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2217 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2218 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2219
2220 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2221 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2222 /* XXX this only needs to be programmed once per crtc at startup,
2223 * not sure where the best place for it is
2224 */
2225 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2226 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2227 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2228}
2229
2230static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2231{
2232 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2233 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2234
2235 switch (amdgpu_encoder->encoder_id) {
2236 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2237 if (dig->linkb)
2238 return 1;
2239 else
2240 return 0;
2241 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2242 if (dig->linkb)
2243 return 3;
2244 else
2245 return 2;
2246 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2247 if (dig->linkb)
2248 return 5;
2249 else
2250 return 4;
2251 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2252 return 6;
2253 default:
2254 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2255 return 0;
2256 }
2257}
2258
2259/**
2260 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2261 *
2262 * @crtc: drm crtc
2263 *
2264 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2265 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2266 * monitors a dedicated PPLL must be used. If a particular board has
2267 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2268 * as there is no need to program the PLL itself. If we are not able to
2269 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2270 * avoid messing up an existing monitor.
2271 *
2272 * Asic specific PLL information
2273 *
2274 * DCE 10.x
2275 * Tonga
2276 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2277 * CI
2278 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2279 *
2280 */
2281static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2282{
2283 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2284 struct drm_device *dev = crtc->dev;
2285 struct amdgpu_device *adev = drm_to_adev(dev);
2286 u32 pll_in_use;
2287 int pll;
2288
2289 if ((adev->asic_type == CHIP_POLARIS10) ||
2290 (adev->asic_type == CHIP_POLARIS11) ||
2291 (adev->asic_type == CHIP_POLARIS12) ||
2292 (adev->asic_type == CHIP_VEGAM)) {
2293 struct amdgpu_encoder *amdgpu_encoder =
2294 to_amdgpu_encoder(amdgpu_crtc->encoder);
2295 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2296
2297 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2298 return ATOM_DP_DTO;
2299
2300 switch (amdgpu_encoder->encoder_id) {
2301 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2302 if (dig->linkb)
2303 return ATOM_COMBOPHY_PLL1;
2304 else
2305 return ATOM_COMBOPHY_PLL0;
2306 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2307 if (dig->linkb)
2308 return ATOM_COMBOPHY_PLL3;
2309 else
2310 return ATOM_COMBOPHY_PLL2;
2311 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2312 if (dig->linkb)
2313 return ATOM_COMBOPHY_PLL5;
2314 else
2315 return ATOM_COMBOPHY_PLL4;
2316 default:
2317 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2318 return ATOM_PPLL_INVALID;
2319 }
2320 }
2321
2322 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2323 if (adev->clock.dp_extclk)
2324 /* skip PPLL programming if using ext clock */
2325 return ATOM_PPLL_INVALID;
2326 else {
2327 /* use the same PPLL for all DP monitors */
2328 pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2329 if (pll != ATOM_PPLL_INVALID)
2330 return pll;
2331 }
2332 } else {
2333 /* use the same PPLL for all monitors with the same clock */
2334 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2335 if (pll != ATOM_PPLL_INVALID)
2336 return pll;
2337 }
2338
2339 /* XXX need to determine what plls are available on each DCE11 part */
2340 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2341 if (adev->flags & AMD_IS_APU) {
2342 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2343 return ATOM_PPLL1;
2344 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2345 return ATOM_PPLL0;
2346 DRM_ERROR("unable to allocate a PPLL\n");
2347 return ATOM_PPLL_INVALID;
2348 } else {
2349 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2350 return ATOM_PPLL2;
2351 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2352 return ATOM_PPLL1;
2353 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2354 return ATOM_PPLL0;
2355 DRM_ERROR("unable to allocate a PPLL\n");
2356 return ATOM_PPLL_INVALID;
2357 }
2358 return ATOM_PPLL_INVALID;
2359}
2360
2361static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2362{
2363 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2364 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2365 uint32_t cur_lock;
2366
2367 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2368 if (lock)
2369 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2370 else
2371 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2372 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2373}
2374
2375static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2376{
2377 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2378 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2379 u32 tmp;
2380
2381 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2382 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2383 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2384}
2385
2386static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2387{
2388 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2389 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2390 u32 tmp;
2391
2392 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2393 upper_32_bits(amdgpu_crtc->cursor_addr));
2394 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2395 lower_32_bits(amdgpu_crtc->cursor_addr));
2396
2397 tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2398 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2399 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2400 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2401}
2402
2403static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2404 int x, int y)
2405{
2406 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2407 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2408 int xorigin = 0, yorigin = 0;
2409
2410 amdgpu_crtc->cursor_x = x;
2411 amdgpu_crtc->cursor_y = y;
2412
2413 /* avivo cursor are offset into the total surface */
2414 x += crtc->x;
2415 y += crtc->y;
2416 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2417
2418 if (x < 0) {
2419 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2420 x = 0;
2421 }
2422 if (y < 0) {
2423 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2424 y = 0;
2425 }
2426
2427 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2428 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2429 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2430 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2431
2432 return 0;
2433}
2434
2435static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2436 int x, int y)
2437{
2438 int ret;
2439
2440 dce_v11_0_lock_cursor(crtc, true);
2441 ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2442 dce_v11_0_lock_cursor(crtc, false);
2443
2444 return ret;
2445}
2446
2447static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2448 struct drm_file *file_priv,
2449 uint32_t handle,
2450 uint32_t width,
2451 uint32_t height,
2452 int32_t hot_x,
2453 int32_t hot_y)
2454{
2455 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2456 struct drm_gem_object *obj;
2457 struct amdgpu_bo *aobj;
2458 int ret;
2459
2460 if (!handle) {
2461 /* turn off cursor */
2462 dce_v11_0_hide_cursor(crtc);
2463 obj = NULL;
2464 goto unpin;
2465 }
2466
2467 if ((width > amdgpu_crtc->max_cursor_width) ||
2468 (height > amdgpu_crtc->max_cursor_height)) {
2469 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2470 return -EINVAL;
2471 }
2472
2473 obj = drm_gem_object_lookup(file_priv, handle);
2474 if (!obj) {
2475 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2476 return -ENOENT;
2477 }
2478
2479 aobj = gem_to_amdgpu_bo(obj);
2480 ret = amdgpu_bo_reserve(aobj, false);
2481 if (ret != 0) {
2482 drm_gem_object_put(obj);
2483 return ret;
2484 }
2485
2486 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2487 amdgpu_bo_unreserve(aobj);
2488 if (ret) {
2489 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2490 drm_gem_object_put(obj);
2491 return ret;
2492 }
2493 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2494
2495 dce_v11_0_lock_cursor(crtc, true);
2496
2497 if (width != amdgpu_crtc->cursor_width ||
2498 height != amdgpu_crtc->cursor_height ||
2499 hot_x != amdgpu_crtc->cursor_hot_x ||
2500 hot_y != amdgpu_crtc->cursor_hot_y) {
2501 int x, y;
2502
2503 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2504 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2505
2506 dce_v11_0_cursor_move_locked(crtc, x, y);
2507
2508 amdgpu_crtc->cursor_width = width;
2509 amdgpu_crtc->cursor_height = height;
2510 amdgpu_crtc->cursor_hot_x = hot_x;
2511 amdgpu_crtc->cursor_hot_y = hot_y;
2512 }
2513
2514 dce_v11_0_show_cursor(crtc);
2515 dce_v11_0_lock_cursor(crtc, false);
2516
2517unpin:
2518 if (amdgpu_crtc->cursor_bo) {
2519 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2520 ret = amdgpu_bo_reserve(aobj, true);
2521 if (likely(ret == 0)) {
2522 amdgpu_bo_unpin(aobj);
2523 amdgpu_bo_unreserve(aobj);
2524 }
2525 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2526 }
2527
2528 amdgpu_crtc->cursor_bo = obj;
2529 return 0;
2530}
2531
2532static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2533{
2534 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2535
2536 if (amdgpu_crtc->cursor_bo) {
2537 dce_v11_0_lock_cursor(crtc, true);
2538
2539 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2540 amdgpu_crtc->cursor_y);
2541
2542 dce_v11_0_show_cursor(crtc);
2543
2544 dce_v11_0_lock_cursor(crtc, false);
2545 }
2546}
2547
2548static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2549 u16 *blue, uint32_t size,
2550 struct drm_modeset_acquire_ctx *ctx)
2551{
2552 dce_v11_0_crtc_load_lut(crtc);
2553
2554 return 0;
2555}
2556
2557static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2558{
2559 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2560
2561 drm_crtc_cleanup(crtc);
2562 kfree(amdgpu_crtc);
2563}
2564
2565static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2566 .cursor_set2 = dce_v11_0_crtc_cursor_set2,
2567 .cursor_move = dce_v11_0_crtc_cursor_move,
2568 .gamma_set = dce_v11_0_crtc_gamma_set,
2569 .set_config = amdgpu_display_crtc_set_config,
2570 .destroy = dce_v11_0_crtc_destroy,
2571 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2572 .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2573 .enable_vblank = amdgpu_enable_vblank_kms,
2574 .disable_vblank = amdgpu_disable_vblank_kms,
2575 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2576};
2577
2578static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2579{
2580 struct drm_device *dev = crtc->dev;
2581 struct amdgpu_device *adev = drm_to_adev(dev);
2582 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2583 unsigned type;
2584
2585 switch (mode) {
2586 case DRM_MODE_DPMS_ON:
2587 amdgpu_crtc->enabled = true;
2588 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2589 dce_v11_0_vga_enable(crtc, true);
2590 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2591 dce_v11_0_vga_enable(crtc, false);
2592 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2593 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2594 amdgpu_crtc->crtc_id);
2595 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2596 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2597 drm_crtc_vblank_on(crtc);
2598 dce_v11_0_crtc_load_lut(crtc);
2599 break;
2600 case DRM_MODE_DPMS_STANDBY:
2601 case DRM_MODE_DPMS_SUSPEND:
2602 case DRM_MODE_DPMS_OFF:
2603 drm_crtc_vblank_off(crtc);
2604 if (amdgpu_crtc->enabled) {
2605 dce_v11_0_vga_enable(crtc, true);
2606 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2607 dce_v11_0_vga_enable(crtc, false);
2608 }
2609 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2610 amdgpu_crtc->enabled = false;
2611 break;
2612 }
2613 /* adjust pm to dpms */
2614 amdgpu_dpm_compute_clocks(adev);
2615}
2616
2617static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2618{
2619 /* disable crtc pair power gating before programming */
2620 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2621 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2622 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2623}
2624
2625static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2626{
2627 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2628 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2629}
2630
2631static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2632{
2633 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2634 struct drm_device *dev = crtc->dev;
2635 struct amdgpu_device *adev = drm_to_adev(dev);
2636 struct amdgpu_atom_ss ss;
2637 int i;
2638
2639 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2640 if (crtc->primary->fb) {
2641 int r;
2642 struct amdgpu_bo *abo;
2643
2644 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2645 r = amdgpu_bo_reserve(abo, true);
2646 if (unlikely(r))
2647 DRM_ERROR("failed to reserve abo before unpin\n");
2648 else {
2649 amdgpu_bo_unpin(abo);
2650 amdgpu_bo_unreserve(abo);
2651 }
2652 }
2653 /* disable the GRPH */
2654 dce_v11_0_grph_enable(crtc, false);
2655
2656 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2657
2658 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2659 if (adev->mode_info.crtcs[i] &&
2660 adev->mode_info.crtcs[i]->enabled &&
2661 i != amdgpu_crtc->crtc_id &&
2662 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2663 /* one other crtc is using this pll don't turn
2664 * off the pll
2665 */
2666 goto done;
2667 }
2668 }
2669
2670 switch (amdgpu_crtc->pll_id) {
2671 case ATOM_PPLL0:
2672 case ATOM_PPLL1:
2673 case ATOM_PPLL2:
2674 /* disable the ppll */
2675 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2676 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2677 break;
2678 case ATOM_COMBOPHY_PLL0:
2679 case ATOM_COMBOPHY_PLL1:
2680 case ATOM_COMBOPHY_PLL2:
2681 case ATOM_COMBOPHY_PLL3:
2682 case ATOM_COMBOPHY_PLL4:
2683 case ATOM_COMBOPHY_PLL5:
2684 /* disable the ppll */
2685 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2686 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2687 break;
2688 default:
2689 break;
2690 }
2691done:
2692 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2693 amdgpu_crtc->adjusted_clock = 0;
2694 amdgpu_crtc->encoder = NULL;
2695 amdgpu_crtc->connector = NULL;
2696}
2697
2698static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2699 struct drm_display_mode *mode,
2700 struct drm_display_mode *adjusted_mode,
2701 int x, int y, struct drm_framebuffer *old_fb)
2702{
2703 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2704 struct drm_device *dev = crtc->dev;
2705 struct amdgpu_device *adev = drm_to_adev(dev);
2706
2707 if (!amdgpu_crtc->adjusted_clock)
2708 return -EINVAL;
2709
2710 if ((adev->asic_type == CHIP_POLARIS10) ||
2711 (adev->asic_type == CHIP_POLARIS11) ||
2712 (adev->asic_type == CHIP_POLARIS12) ||
2713 (adev->asic_type == CHIP_VEGAM)) {
2714 struct amdgpu_encoder *amdgpu_encoder =
2715 to_amdgpu_encoder(amdgpu_crtc->encoder);
2716 int encoder_mode =
2717 amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2718
2719 /* SetPixelClock calculates the plls and ss values now */
2720 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2721 amdgpu_crtc->pll_id,
2722 encoder_mode, amdgpu_encoder->encoder_id,
2723 adjusted_mode->clock, 0, 0, 0, 0,
2724 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2725 } else {
2726 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2727 }
2728 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2729 dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2730 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2731 amdgpu_atombios_crtc_scaler_setup(crtc);
2732 dce_v11_0_cursor_reset(crtc);
2733 /* update the hw version fpr dpm */
2734 amdgpu_crtc->hw_mode = *adjusted_mode;
2735
2736 return 0;
2737}
2738
2739static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2740 const struct drm_display_mode *mode,
2741 struct drm_display_mode *adjusted_mode)
2742{
2743 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2744 struct drm_device *dev = crtc->dev;
2745 struct drm_encoder *encoder;
2746
2747 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2748 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2749 if (encoder->crtc == crtc) {
2750 amdgpu_crtc->encoder = encoder;
2751 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2752 break;
2753 }
2754 }
2755 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2756 amdgpu_crtc->encoder = NULL;
2757 amdgpu_crtc->connector = NULL;
2758 return false;
2759 }
2760 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2761 return false;
2762 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2763 return false;
2764 /* pick pll */
2765 amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2766 /* if we can't get a PPLL for a non-DP encoder, fail */
2767 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2768 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2769 return false;
2770
2771 return true;
2772}
2773
2774static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2775 struct drm_framebuffer *old_fb)
2776{
2777 return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2778}
2779
2780static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2781 struct drm_framebuffer *fb,
2782 int x, int y, enum mode_set_atomic state)
2783{
2784 return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2785}
2786
2787static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2788 .dpms = dce_v11_0_crtc_dpms,
2789 .mode_fixup = dce_v11_0_crtc_mode_fixup,
2790 .mode_set = dce_v11_0_crtc_mode_set,
2791 .mode_set_base = dce_v11_0_crtc_set_base,
2792 .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2793 .prepare = dce_v11_0_crtc_prepare,
2794 .commit = dce_v11_0_crtc_commit,
2795 .disable = dce_v11_0_crtc_disable,
2796 .get_scanout_position = amdgpu_crtc_get_scanout_position,
2797};
2798
2799static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2800{
2801 struct amdgpu_crtc *amdgpu_crtc;
2802
2803 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2804 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2805 if (amdgpu_crtc == NULL)
2806 return -ENOMEM;
2807
2808 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2809
2810 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2811 amdgpu_crtc->crtc_id = index;
2812 adev->mode_info.crtcs[index] = amdgpu_crtc;
2813
2814 amdgpu_crtc->max_cursor_width = 128;
2815 amdgpu_crtc->max_cursor_height = 128;
2816 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2817 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2818
2819 switch (amdgpu_crtc->crtc_id) {
2820 case 0:
2821 default:
2822 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2823 break;
2824 case 1:
2825 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2826 break;
2827 case 2:
2828 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2829 break;
2830 case 3:
2831 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2832 break;
2833 case 4:
2834 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2835 break;
2836 case 5:
2837 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2838 break;
2839 }
2840
2841 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2842 amdgpu_crtc->adjusted_clock = 0;
2843 amdgpu_crtc->encoder = NULL;
2844 amdgpu_crtc->connector = NULL;
2845 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2846
2847 return 0;
2848}
2849
2850static int dce_v11_0_early_init(void *handle)
2851{
2852 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2853
2854 adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2855 adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2856
2857 dce_v11_0_set_display_funcs(adev);
2858
2859 adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2860
2861 switch (adev->asic_type) {
2862 case CHIP_CARRIZO:
2863 adev->mode_info.num_hpd = 6;
2864 adev->mode_info.num_dig = 9;
2865 break;
2866 case CHIP_STONEY:
2867 adev->mode_info.num_hpd = 6;
2868 adev->mode_info.num_dig = 9;
2869 break;
2870 case CHIP_POLARIS10:
2871 case CHIP_VEGAM:
2872 adev->mode_info.num_hpd = 6;
2873 adev->mode_info.num_dig = 6;
2874 break;
2875 case CHIP_POLARIS11:
2876 case CHIP_POLARIS12:
2877 adev->mode_info.num_hpd = 5;
2878 adev->mode_info.num_dig = 5;
2879 break;
2880 default:
2881 /* FIXME: not supported yet */
2882 return -EINVAL;
2883 }
2884
2885 dce_v11_0_set_irq_funcs(adev);
2886
2887 return 0;
2888}
2889
2890static int dce_v11_0_sw_init(void *handle)
2891{
2892 int r, i;
2893 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2894
2895 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2896 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2897 if (r)
2898 return r;
2899 }
2900
2901 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2902 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2903 if (r)
2904 return r;
2905 }
2906
2907 /* HPD hotplug */
2908 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2909 if (r)
2910 return r;
2911
2912 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2913
2914 adev_to_drm(adev)->mode_config.async_page_flip = true;
2915
2916 adev_to_drm(adev)->mode_config.max_width = 16384;
2917 adev_to_drm(adev)->mode_config.max_height = 16384;
2918
2919 adev_to_drm(adev)->mode_config.preferred_depth = 24;
2920 adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2921
2922 adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2923
2924 r = amdgpu_display_modeset_create_props(adev);
2925 if (r)
2926 return r;
2927
2928 adev_to_drm(adev)->mode_config.max_width = 16384;
2929 adev_to_drm(adev)->mode_config.max_height = 16384;
2930
2931
2932 /* allocate crtcs */
2933 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2934 r = dce_v11_0_crtc_init(adev, i);
2935 if (r)
2936 return r;
2937 }
2938
2939 if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2940 amdgpu_display_print_display_setup(adev_to_drm(adev));
2941 else
2942 return -EINVAL;
2943
2944 /* setup afmt */
2945 r = dce_v11_0_afmt_init(adev);
2946 if (r)
2947 return r;
2948
2949 r = dce_v11_0_audio_init(adev);
2950 if (r)
2951 return r;
2952
2953 /* Disable vblank IRQs aggressively for power-saving */
2954 /* XXX: can this be enabled for DC? */
2955 adev_to_drm(adev)->vblank_disable_immediate = true;
2956
2957 r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2958 if (r)
2959 return r;
2960
2961 INIT_DELAYED_WORK(&adev->hotplug_work,
2962 amdgpu_display_hotplug_work_func);
2963
2964 drm_kms_helper_poll_init(adev_to_drm(adev));
2965
2966 adev->mode_info.mode_config_initialized = true;
2967 return 0;
2968}
2969
2970static int dce_v11_0_sw_fini(void *handle)
2971{
2972 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2973
2974 kfree(adev->mode_info.bios_hardcoded_edid);
2975
2976 drm_kms_helper_poll_fini(adev_to_drm(adev));
2977
2978 dce_v11_0_audio_fini(adev);
2979
2980 dce_v11_0_afmt_fini(adev);
2981
2982 drm_mode_config_cleanup(adev_to_drm(adev));
2983 adev->mode_info.mode_config_initialized = false;
2984
2985 return 0;
2986}
2987
2988static int dce_v11_0_hw_init(void *handle)
2989{
2990 int i;
2991 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2992
2993 dce_v11_0_init_golden_registers(adev);
2994
2995 /* disable vga render */
2996 dce_v11_0_set_vga_render_state(adev, false);
2997 /* init dig PHYs, disp eng pll */
2998 amdgpu_atombios_crtc_powergate_init(adev);
2999 amdgpu_atombios_encoder_init_dig(adev);
3000 if ((adev->asic_type == CHIP_POLARIS10) ||
3001 (adev->asic_type == CHIP_POLARIS11) ||
3002 (adev->asic_type == CHIP_POLARIS12) ||
3003 (adev->asic_type == CHIP_VEGAM)) {
3004 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
3005 DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
3006 amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3007 DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3008 } else {
3009 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3010 }
3011
3012 /* initialize hpd */
3013 dce_v11_0_hpd_init(adev);
3014
3015 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3016 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3017 }
3018
3019 dce_v11_0_pageflip_interrupt_init(adev);
3020
3021 return 0;
3022}
3023
3024static int dce_v11_0_hw_fini(void *handle)
3025{
3026 int i;
3027 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3028
3029 dce_v11_0_hpd_fini(adev);
3030
3031 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3032 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3033 }
3034
3035 dce_v11_0_pageflip_interrupt_fini(adev);
3036
3037 flush_delayed_work(&adev->hotplug_work);
3038
3039 return 0;
3040}
3041
3042static int dce_v11_0_suspend(void *handle)
3043{
3044 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3045 int r;
3046
3047 r = amdgpu_display_suspend_helper(adev);
3048 if (r)
3049 return r;
3050
3051 adev->mode_info.bl_level =
3052 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3053
3054 return dce_v11_0_hw_fini(handle);
3055}
3056
3057static int dce_v11_0_resume(void *handle)
3058{
3059 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3060 int ret;
3061
3062 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3063 adev->mode_info.bl_level);
3064
3065 ret = dce_v11_0_hw_init(handle);
3066
3067 /* turn on the BL */
3068 if (adev->mode_info.bl_encoder) {
3069 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3070 adev->mode_info.bl_encoder);
3071 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3072 bl_level);
3073 }
3074 if (ret)
3075 return ret;
3076
3077 return amdgpu_display_resume_helper(adev);
3078}
3079
3080static bool dce_v11_0_is_idle(void *handle)
3081{
3082 return true;
3083}
3084
3085static int dce_v11_0_wait_for_idle(void *handle)
3086{
3087 return 0;
3088}
3089
3090static int dce_v11_0_soft_reset(void *handle)
3091{
3092 u32 srbm_soft_reset = 0, tmp;
3093 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3094
3095 if (dce_v11_0_is_display_hung(adev))
3096 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3097
3098 if (srbm_soft_reset) {
3099 tmp = RREG32(mmSRBM_SOFT_RESET);
3100 tmp |= srbm_soft_reset;
3101 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3102 WREG32(mmSRBM_SOFT_RESET, tmp);
3103 tmp = RREG32(mmSRBM_SOFT_RESET);
3104
3105 udelay(50);
3106
3107 tmp &= ~srbm_soft_reset;
3108 WREG32(mmSRBM_SOFT_RESET, tmp);
3109 tmp = RREG32(mmSRBM_SOFT_RESET);
3110
3111 /* Wait a little for things to settle down */
3112 udelay(50);
3113 }
3114 return 0;
3115}
3116
3117static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3118 int crtc,
3119 enum amdgpu_interrupt_state state)
3120{
3121 u32 lb_interrupt_mask;
3122
3123 if (crtc >= adev->mode_info.num_crtc) {
3124 DRM_DEBUG("invalid crtc %d\n", crtc);
3125 return;
3126 }
3127
3128 switch (state) {
3129 case AMDGPU_IRQ_STATE_DISABLE:
3130 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3131 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3132 VBLANK_INTERRUPT_MASK, 0);
3133 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3134 break;
3135 case AMDGPU_IRQ_STATE_ENABLE:
3136 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3137 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3138 VBLANK_INTERRUPT_MASK, 1);
3139 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3140 break;
3141 default:
3142 break;
3143 }
3144}
3145
3146static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3147 int crtc,
3148 enum amdgpu_interrupt_state state)
3149{
3150 u32 lb_interrupt_mask;
3151
3152 if (crtc >= adev->mode_info.num_crtc) {
3153 DRM_DEBUG("invalid crtc %d\n", crtc);
3154 return;
3155 }
3156
3157 switch (state) {
3158 case AMDGPU_IRQ_STATE_DISABLE:
3159 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3160 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3161 VLINE_INTERRUPT_MASK, 0);
3162 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3163 break;
3164 case AMDGPU_IRQ_STATE_ENABLE:
3165 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3166 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3167 VLINE_INTERRUPT_MASK, 1);
3168 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3169 break;
3170 default:
3171 break;
3172 }
3173}
3174
3175static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3176 struct amdgpu_irq_src *source,
3177 unsigned hpd,
3178 enum amdgpu_interrupt_state state)
3179{
3180 u32 tmp;
3181
3182 if (hpd >= adev->mode_info.num_hpd) {
3183 DRM_DEBUG("invalid hdp %d\n", hpd);
3184 return 0;
3185 }
3186
3187 switch (state) {
3188 case AMDGPU_IRQ_STATE_DISABLE:
3189 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3190 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3191 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3192 break;
3193 case AMDGPU_IRQ_STATE_ENABLE:
3194 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3195 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3196 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3197 break;
3198 default:
3199 break;
3200 }
3201
3202 return 0;
3203}
3204
3205static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3206 struct amdgpu_irq_src *source,
3207 unsigned type,
3208 enum amdgpu_interrupt_state state)
3209{
3210 switch (type) {
3211 case AMDGPU_CRTC_IRQ_VBLANK1:
3212 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3213 break;
3214 case AMDGPU_CRTC_IRQ_VBLANK2:
3215 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3216 break;
3217 case AMDGPU_CRTC_IRQ_VBLANK3:
3218 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3219 break;
3220 case AMDGPU_CRTC_IRQ_VBLANK4:
3221 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3222 break;
3223 case AMDGPU_CRTC_IRQ_VBLANK5:
3224 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3225 break;
3226 case AMDGPU_CRTC_IRQ_VBLANK6:
3227 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3228 break;
3229 case AMDGPU_CRTC_IRQ_VLINE1:
3230 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3231 break;
3232 case AMDGPU_CRTC_IRQ_VLINE2:
3233 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3234 break;
3235 case AMDGPU_CRTC_IRQ_VLINE3:
3236 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3237 break;
3238 case AMDGPU_CRTC_IRQ_VLINE4:
3239 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3240 break;
3241 case AMDGPU_CRTC_IRQ_VLINE5:
3242 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3243 break;
3244 case AMDGPU_CRTC_IRQ_VLINE6:
3245 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3246 break;
3247 default:
3248 break;
3249 }
3250 return 0;
3251}
3252
3253static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3254 struct amdgpu_irq_src *src,
3255 unsigned type,
3256 enum amdgpu_interrupt_state state)
3257{
3258 u32 reg;
3259
3260 if (type >= adev->mode_info.num_crtc) {
3261 DRM_ERROR("invalid pageflip crtc %d\n", type);
3262 return -EINVAL;
3263 }
3264
3265 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3266 if (state == AMDGPU_IRQ_STATE_DISABLE)
3267 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3268 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3269 else
3270 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3271 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3272
3273 return 0;
3274}
3275
3276static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3277 struct amdgpu_irq_src *source,
3278 struct amdgpu_iv_entry *entry)
3279{
3280 unsigned long flags;
3281 unsigned crtc_id;
3282 struct amdgpu_crtc *amdgpu_crtc;
3283 struct amdgpu_flip_work *works;
3284
3285 crtc_id = (entry->src_id - 8) >> 1;
3286 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3287
3288 if (crtc_id >= adev->mode_info.num_crtc) {
3289 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3290 return -EINVAL;
3291 }
3292
3293 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3294 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3295 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3296 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3297
3298 /* IRQ could occur when in initial stage */
3299 if(amdgpu_crtc == NULL)
3300 return 0;
3301
3302 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3303 works = amdgpu_crtc->pflip_works;
3304 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3305 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3306 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3307 amdgpu_crtc->pflip_status,
3308 AMDGPU_FLIP_SUBMITTED);
3309 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3310 return 0;
3311 }
3312
3313 /* page flip completed. clean up */
3314 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3315 amdgpu_crtc->pflip_works = NULL;
3316
3317 /* wakeup usersapce */
3318 if(works->event)
3319 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3320
3321 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3322
3323 drm_crtc_vblank_put(&amdgpu_crtc->base);
3324 schedule_work(&works->unpin_work);
3325
3326 return 0;
3327}
3328
3329static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3330 int hpd)
3331{
3332 u32 tmp;
3333
3334 if (hpd >= adev->mode_info.num_hpd) {
3335 DRM_DEBUG("invalid hdp %d\n", hpd);
3336 return;
3337 }
3338
3339 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3340 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3341 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3342}
3343
3344static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3345 int crtc)
3346{
3347 u32 tmp;
3348
3349 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3350 DRM_DEBUG("invalid crtc %d\n", crtc);
3351 return;
3352 }
3353
3354 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3355 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3356 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3357}
3358
3359static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3360 int crtc)
3361{
3362 u32 tmp;
3363
3364 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3365 DRM_DEBUG("invalid crtc %d\n", crtc);
3366 return;
3367 }
3368
3369 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3370 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3371 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3372}
3373
3374static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3375 struct amdgpu_irq_src *source,
3376 struct amdgpu_iv_entry *entry)
3377{
3378 unsigned crtc = entry->src_id - 1;
3379 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3380 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3381 crtc);
3382
3383 switch (entry->src_data[0]) {
3384 case 0: /* vblank */
3385 if (disp_int & interrupt_status_offsets[crtc].vblank)
3386 dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3387 else
3388 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3389
3390 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3391 drm_handle_vblank(adev_to_drm(adev), crtc);
3392 }
3393 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3394
3395 break;
3396 case 1: /* vline */
3397 if (disp_int & interrupt_status_offsets[crtc].vline)
3398 dce_v11_0_crtc_vline_int_ack(adev, crtc);
3399 else
3400 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3401
3402 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3403
3404 break;
3405 default:
3406 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3407 break;
3408 }
3409
3410 return 0;
3411}
3412
3413static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3414 struct amdgpu_irq_src *source,
3415 struct amdgpu_iv_entry *entry)
3416{
3417 uint32_t disp_int, mask;
3418 unsigned hpd;
3419
3420 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3421 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3422 return 0;
3423 }
3424
3425 hpd = entry->src_data[0];
3426 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3427 mask = interrupt_status_offsets[hpd].hpd;
3428
3429 if (disp_int & mask) {
3430 dce_v11_0_hpd_int_ack(adev, hpd);
3431 schedule_delayed_work(&adev->hotplug_work, 0);
3432 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3433 }
3434
3435 return 0;
3436}
3437
3438static int dce_v11_0_set_clockgating_state(void *handle,
3439 enum amd_clockgating_state state)
3440{
3441 return 0;
3442}
3443
3444static int dce_v11_0_set_powergating_state(void *handle,
3445 enum amd_powergating_state state)
3446{
3447 return 0;
3448}
3449
3450static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3451 .name = "dce_v11_0",
3452 .early_init = dce_v11_0_early_init,
3453 .late_init = NULL,
3454 .sw_init = dce_v11_0_sw_init,
3455 .sw_fini = dce_v11_0_sw_fini,
3456 .hw_init = dce_v11_0_hw_init,
3457 .hw_fini = dce_v11_0_hw_fini,
3458 .suspend = dce_v11_0_suspend,
3459 .resume = dce_v11_0_resume,
3460 .is_idle = dce_v11_0_is_idle,
3461 .wait_for_idle = dce_v11_0_wait_for_idle,
3462 .soft_reset = dce_v11_0_soft_reset,
3463 .set_clockgating_state = dce_v11_0_set_clockgating_state,
3464 .set_powergating_state = dce_v11_0_set_powergating_state,
3465};
3466
3467static void
3468dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3469 struct drm_display_mode *mode,
3470 struct drm_display_mode *adjusted_mode)
3471{
3472 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3473
3474 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3475
3476 /* need to call this here rather than in prepare() since we need some crtc info */
3477 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3478
3479 /* set scaler clears this on some chips */
3480 dce_v11_0_set_interleave(encoder->crtc, mode);
3481
3482 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3483 dce_v11_0_afmt_enable(encoder, true);
3484 dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3485 }
3486}
3487
3488static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3489{
3490 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3491 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3492 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3493
3494 if ((amdgpu_encoder->active_device &
3495 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3496 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3497 ENCODER_OBJECT_ID_NONE)) {
3498 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3499 if (dig) {
3500 dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3501 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3502 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3503 }
3504 }
3505
3506 amdgpu_atombios_scratch_regs_lock(adev, true);
3507
3508 if (connector) {
3509 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3510
3511 /* select the clock/data port if it uses a router */
3512 if (amdgpu_connector->router.cd_valid)
3513 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3514
3515 /* turn eDP panel on for mode set */
3516 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3517 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3518 ATOM_TRANSMITTER_ACTION_POWER_ON);
3519 }
3520
3521 /* this is needed for the pll/ss setup to work correctly in some cases */
3522 amdgpu_atombios_encoder_set_crtc_source(encoder);
3523 /* set up the FMT blocks */
3524 dce_v11_0_program_fmt(encoder);
3525}
3526
3527static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3528{
3529 struct drm_device *dev = encoder->dev;
3530 struct amdgpu_device *adev = drm_to_adev(dev);
3531
3532 /* need to call this here as we need the crtc set up */
3533 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3534 amdgpu_atombios_scratch_regs_lock(adev, false);
3535}
3536
3537static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3538{
3539 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3540 struct amdgpu_encoder_atom_dig *dig;
3541
3542 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3543
3544 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3545 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3546 dce_v11_0_afmt_enable(encoder, false);
3547 dig = amdgpu_encoder->enc_priv;
3548 dig->dig_encoder = -1;
3549 }
3550 amdgpu_encoder->active_device = 0;
3551}
3552
3553/* these are handled by the primary encoders */
3554static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3555{
3556
3557}
3558
3559static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3560{
3561
3562}
3563
3564static void
3565dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3566 struct drm_display_mode *mode,
3567 struct drm_display_mode *adjusted_mode)
3568{
3569
3570}
3571
3572static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3573{
3574
3575}
3576
3577static void
3578dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3579{
3580
3581}
3582
3583static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3584 .dpms = dce_v11_0_ext_dpms,
3585 .prepare = dce_v11_0_ext_prepare,
3586 .mode_set = dce_v11_0_ext_mode_set,
3587 .commit = dce_v11_0_ext_commit,
3588 .disable = dce_v11_0_ext_disable,
3589 /* no detect for TMDS/LVDS yet */
3590};
3591
3592static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3593 .dpms = amdgpu_atombios_encoder_dpms,
3594 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3595 .prepare = dce_v11_0_encoder_prepare,
3596 .mode_set = dce_v11_0_encoder_mode_set,
3597 .commit = dce_v11_0_encoder_commit,
3598 .disable = dce_v11_0_encoder_disable,
3599 .detect = amdgpu_atombios_encoder_dig_detect,
3600};
3601
3602static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3603 .dpms = amdgpu_atombios_encoder_dpms,
3604 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3605 .prepare = dce_v11_0_encoder_prepare,
3606 .mode_set = dce_v11_0_encoder_mode_set,
3607 .commit = dce_v11_0_encoder_commit,
3608 .detect = amdgpu_atombios_encoder_dac_detect,
3609};
3610
3611static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3612{
3613 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3614 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3615 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3616 kfree(amdgpu_encoder->enc_priv);
3617 drm_encoder_cleanup(encoder);
3618 kfree(amdgpu_encoder);
3619}
3620
3621static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3622 .destroy = dce_v11_0_encoder_destroy,
3623};
3624
3625static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3626 uint32_t encoder_enum,
3627 uint32_t supported_device,
3628 u16 caps)
3629{
3630 struct drm_device *dev = adev_to_drm(adev);
3631 struct drm_encoder *encoder;
3632 struct amdgpu_encoder *amdgpu_encoder;
3633
3634 /* see if we already added it */
3635 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3636 amdgpu_encoder = to_amdgpu_encoder(encoder);
3637 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3638 amdgpu_encoder->devices |= supported_device;
3639 return;
3640 }
3641
3642 }
3643
3644 /* add a new one */
3645 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3646 if (!amdgpu_encoder)
3647 return;
3648
3649 encoder = &amdgpu_encoder->base;
3650 switch (adev->mode_info.num_crtc) {
3651 case 1:
3652 encoder->possible_crtcs = 0x1;
3653 break;
3654 case 2:
3655 default:
3656 encoder->possible_crtcs = 0x3;
3657 break;
3658 case 3:
3659 encoder->possible_crtcs = 0x7;
3660 break;
3661 case 4:
3662 encoder->possible_crtcs = 0xf;
3663 break;
3664 case 5:
3665 encoder->possible_crtcs = 0x1f;
3666 break;
3667 case 6:
3668 encoder->possible_crtcs = 0x3f;
3669 break;
3670 }
3671
3672 amdgpu_encoder->enc_priv = NULL;
3673
3674 amdgpu_encoder->encoder_enum = encoder_enum;
3675 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3676 amdgpu_encoder->devices = supported_device;
3677 amdgpu_encoder->rmx_type = RMX_OFF;
3678 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3679 amdgpu_encoder->is_ext_encoder = false;
3680 amdgpu_encoder->caps = caps;
3681
3682 switch (amdgpu_encoder->encoder_id) {
3683 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3684 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3685 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3686 DRM_MODE_ENCODER_DAC, NULL);
3687 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3688 break;
3689 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3690 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3691 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3692 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3693 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3694 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3695 amdgpu_encoder->rmx_type = RMX_FULL;
3696 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3697 DRM_MODE_ENCODER_LVDS, NULL);
3698 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3699 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3700 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3701 DRM_MODE_ENCODER_DAC, NULL);
3702 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3703 } else {
3704 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3705 DRM_MODE_ENCODER_TMDS, NULL);
3706 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3707 }
3708 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3709 break;
3710 case ENCODER_OBJECT_ID_SI170B:
3711 case ENCODER_OBJECT_ID_CH7303:
3712 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3713 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3714 case ENCODER_OBJECT_ID_TITFP513:
3715 case ENCODER_OBJECT_ID_VT1623:
3716 case ENCODER_OBJECT_ID_HDMI_SI1930:
3717 case ENCODER_OBJECT_ID_TRAVIS:
3718 case ENCODER_OBJECT_ID_NUTMEG:
3719 /* these are handled by the primary encoders */
3720 amdgpu_encoder->is_ext_encoder = true;
3721 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3722 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3723 DRM_MODE_ENCODER_LVDS, NULL);
3724 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3725 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3726 DRM_MODE_ENCODER_DAC, NULL);
3727 else
3728 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3729 DRM_MODE_ENCODER_TMDS, NULL);
3730 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3731 break;
3732 }
3733}
3734
3735static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3736 .bandwidth_update = &dce_v11_0_bandwidth_update,
3737 .vblank_get_counter = &dce_v11_0_vblank_get_counter,
3738 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3739 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3740 .hpd_sense = &dce_v11_0_hpd_sense,
3741 .hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3742 .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3743 .page_flip = &dce_v11_0_page_flip,
3744 .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3745 .add_encoder = &dce_v11_0_encoder_add,
3746 .add_connector = &amdgpu_connector_add,
3747};
3748
3749static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3750{
3751 adev->mode_info.funcs = &dce_v11_0_display_funcs;
3752}
3753
3754static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3755 .set = dce_v11_0_set_crtc_irq_state,
3756 .process = dce_v11_0_crtc_irq,
3757};
3758
3759static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3760 .set = dce_v11_0_set_pageflip_irq_state,
3761 .process = dce_v11_0_pageflip_irq,
3762};
3763
3764static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3765 .set = dce_v11_0_set_hpd_irq_state,
3766 .process = dce_v11_0_hpd_irq,
3767};
3768
3769static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3770{
3771 if (adev->mode_info.num_crtc > 0)
3772 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3773 else
3774 adev->crtc_irq.num_types = 0;
3775 adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3776
3777 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3778 adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3779
3780 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3781 adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3782}
3783
3784const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3785{
3786 .type = AMD_IP_BLOCK_TYPE_DCE,
3787 .major = 11,
3788 .minor = 0,
3789 .rev = 0,
3790 .funcs = &dce_v11_0_ip_funcs,
3791};
3792
3793const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3794{
3795 .type = AMD_IP_BLOCK_TYPE_DCE,
3796 .major = 11,
3797 .minor = 2,
3798 .rev = 0,
3799 .funcs = &dce_v11_0_ip_funcs,
3800};