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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#include "drmP.h"
24#include "amdgpu.h"
25#include "amdgpu_pm.h"
26#include "amdgpu_i2c.h"
27#include "vid.h"
28#include "atom.h"
29#include "amdgpu_atombios.h"
30#include "atombios_crtc.h"
31#include "atombios_encoders.h"
32#include "amdgpu_pll.h"
33#include "amdgpu_connectors.h"
34
35#include "dce/dce_11_0_d.h"
36#include "dce/dce_11_0_sh_mask.h"
37#include "dce/dce_11_0_enum.h"
38#include "oss/oss_3_0_d.h"
39#include "oss/oss_3_0_sh_mask.h"
40#include "gmc/gmc_8_1_d.h"
41#include "gmc/gmc_8_1_sh_mask.h"
42
43static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
44static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
45
46static const u32 crtc_offsets[] =
47{
48 CRTC0_REGISTER_OFFSET,
49 CRTC1_REGISTER_OFFSET,
50 CRTC2_REGISTER_OFFSET,
51 CRTC3_REGISTER_OFFSET,
52 CRTC4_REGISTER_OFFSET,
53 CRTC5_REGISTER_OFFSET,
54 CRTC6_REGISTER_OFFSET
55};
56
57static const u32 hpd_offsets[] =
58{
59 HPD0_REGISTER_OFFSET,
60 HPD1_REGISTER_OFFSET,
61 HPD2_REGISTER_OFFSET,
62 HPD3_REGISTER_OFFSET,
63 HPD4_REGISTER_OFFSET,
64 HPD5_REGISTER_OFFSET
65};
66
67static const uint32_t dig_offsets[] = {
68 DIG0_REGISTER_OFFSET,
69 DIG1_REGISTER_OFFSET,
70 DIG2_REGISTER_OFFSET,
71 DIG3_REGISTER_OFFSET,
72 DIG4_REGISTER_OFFSET,
73 DIG5_REGISTER_OFFSET,
74 DIG6_REGISTER_OFFSET,
75 DIG7_REGISTER_OFFSET,
76 DIG8_REGISTER_OFFSET
77};
78
79static const struct {
80 uint32_t reg;
81 uint32_t vblank;
82 uint32_t vline;
83 uint32_t hpd;
84
85} interrupt_status_offsets[] = { {
86 .reg = mmDISP_INTERRUPT_STATUS,
87 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
88 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
89 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
90}, {
91 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
92 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
93 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
94 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
95}, {
96 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
97 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
98 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
99 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
100}, {
101 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
102 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
103 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
104 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
105}, {
106 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
107 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
108 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
109 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
110}, {
111 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
112 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
113 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
114 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
115} };
116
117static const u32 cz_golden_settings_a11[] =
118{
119 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
120 mmFBC_MISC, 0x1f311fff, 0x14300000,
121};
122
123static const u32 cz_mgcg_cgcg_init[] =
124{
125 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
126 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
127};
128
129static const u32 stoney_golden_settings_a11[] =
130{
131 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
132 mmFBC_MISC, 0x1f311fff, 0x14302000,
133};
134
135
136static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
137{
138 switch (adev->asic_type) {
139 case CHIP_CARRIZO:
140 amdgpu_program_register_sequence(adev,
141 cz_mgcg_cgcg_init,
142 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
143 amdgpu_program_register_sequence(adev,
144 cz_golden_settings_a11,
145 (const u32)ARRAY_SIZE(cz_golden_settings_a11));
146 break;
147 case CHIP_STONEY:
148 amdgpu_program_register_sequence(adev,
149 stoney_golden_settings_a11,
150 (const u32)ARRAY_SIZE(stoney_golden_settings_a11));
151 break;
152 default:
153 break;
154 }
155}
156
157static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
158 u32 block_offset, u32 reg)
159{
160 unsigned long flags;
161 u32 r;
162
163 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
164 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
165 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
166 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
167
168 return r;
169}
170
171static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
172 u32 block_offset, u32 reg, u32 v)
173{
174 unsigned long flags;
175
176 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
177 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
178 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
179 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
180}
181
182static bool dce_v11_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
183{
184 if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
185 CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
186 return true;
187 else
188 return false;
189}
190
191static bool dce_v11_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
192{
193 u32 pos1, pos2;
194
195 pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
196 pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
197
198 if (pos1 != pos2)
199 return true;
200 else
201 return false;
202}
203
204/**
205 * dce_v11_0_vblank_wait - vblank wait asic callback.
206 *
207 * @adev: amdgpu_device pointer
208 * @crtc: crtc to wait for vblank on
209 *
210 * Wait for vblank on the requested crtc (evergreen+).
211 */
212static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc)
213{
214 unsigned i = 100;
215
216 if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
217 return;
218
219 if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
220 return;
221
222 /* depending on when we hit vblank, we may be close to active; if so,
223 * wait for another frame.
224 */
225 while (dce_v11_0_is_in_vblank(adev, crtc)) {
226 if (i++ == 100) {
227 i = 0;
228 if (!dce_v11_0_is_counter_moving(adev, crtc))
229 break;
230 }
231 }
232
233 while (!dce_v11_0_is_in_vblank(adev, crtc)) {
234 if (i++ == 100) {
235 i = 0;
236 if (!dce_v11_0_is_counter_moving(adev, crtc))
237 break;
238 }
239 }
240}
241
242static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
243{
244 if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
245 return 0;
246 else
247 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
248}
249
250static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
251{
252 unsigned i;
253
254 /* Enable pflip interrupts */
255 for (i = 0; i < adev->mode_info.num_crtc; i++)
256 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
257}
258
259static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
260{
261 unsigned i;
262
263 /* Disable pflip interrupts */
264 for (i = 0; i < adev->mode_info.num_crtc; i++)
265 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
266}
267
268/**
269 * dce_v11_0_page_flip - pageflip callback.
270 *
271 * @adev: amdgpu_device pointer
272 * @crtc_id: crtc to cleanup pageflip on
273 * @crtc_base: new address of the crtc (GPU MC address)
274 *
275 * Triggers the actual pageflip by updating the primary
276 * surface base address.
277 */
278static void dce_v11_0_page_flip(struct amdgpu_device *adev,
279 int crtc_id, u64 crtc_base)
280{
281 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
282
283 /* update the scanout addresses */
284 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
285 upper_32_bits(crtc_base));
286 /* writing to the low address triggers the update */
287 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
288 lower_32_bits(crtc_base));
289 /* post the write */
290 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
291}
292
293static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
294 u32 *vbl, u32 *position)
295{
296 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
297 return -EINVAL;
298
299 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
300 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
301
302 return 0;
303}
304
305/**
306 * dce_v11_0_hpd_sense - hpd sense callback.
307 *
308 * @adev: amdgpu_device pointer
309 * @hpd: hpd (hotplug detect) pin
310 *
311 * Checks if a digital monitor is connected (evergreen+).
312 * Returns true if connected, false if not connected.
313 */
314static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
315 enum amdgpu_hpd_id hpd)
316{
317 int idx;
318 bool connected = false;
319
320 switch (hpd) {
321 case AMDGPU_HPD_1:
322 idx = 0;
323 break;
324 case AMDGPU_HPD_2:
325 idx = 1;
326 break;
327 case AMDGPU_HPD_3:
328 idx = 2;
329 break;
330 case AMDGPU_HPD_4:
331 idx = 3;
332 break;
333 case AMDGPU_HPD_5:
334 idx = 4;
335 break;
336 case AMDGPU_HPD_6:
337 idx = 5;
338 break;
339 default:
340 return connected;
341 }
342
343 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[idx]) &
344 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
345 connected = true;
346
347 return connected;
348}
349
350/**
351 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
352 *
353 * @adev: amdgpu_device pointer
354 * @hpd: hpd (hotplug detect) pin
355 *
356 * Set the polarity of the hpd pin (evergreen+).
357 */
358static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
359 enum amdgpu_hpd_id hpd)
360{
361 u32 tmp;
362 bool connected = dce_v11_0_hpd_sense(adev, hpd);
363 int idx;
364
365 switch (hpd) {
366 case AMDGPU_HPD_1:
367 idx = 0;
368 break;
369 case AMDGPU_HPD_2:
370 idx = 1;
371 break;
372 case AMDGPU_HPD_3:
373 idx = 2;
374 break;
375 case AMDGPU_HPD_4:
376 idx = 3;
377 break;
378 case AMDGPU_HPD_5:
379 idx = 4;
380 break;
381 case AMDGPU_HPD_6:
382 idx = 5;
383 break;
384 default:
385 return;
386 }
387
388 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]);
389 if (connected)
390 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
391 else
392 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
393 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp);
394}
395
396/**
397 * dce_v11_0_hpd_init - hpd setup callback.
398 *
399 * @adev: amdgpu_device pointer
400 *
401 * Setup the hpd pins used by the card (evergreen+).
402 * Enable the pin, set the polarity, and enable the hpd interrupts.
403 */
404static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
405{
406 struct drm_device *dev = adev->ddev;
407 struct drm_connector *connector;
408 u32 tmp;
409 int idx;
410
411 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
412 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
413
414 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
415 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
416 /* don't try to enable hpd on eDP or LVDS avoid breaking the
417 * aux dp channel on imac and help (but not completely fix)
418 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
419 * also avoid interrupt storms during dpms.
420 */
421 continue;
422 }
423
424 switch (amdgpu_connector->hpd.hpd) {
425 case AMDGPU_HPD_1:
426 idx = 0;
427 break;
428 case AMDGPU_HPD_2:
429 idx = 1;
430 break;
431 case AMDGPU_HPD_3:
432 idx = 2;
433 break;
434 case AMDGPU_HPD_4:
435 idx = 3;
436 break;
437 case AMDGPU_HPD_5:
438 idx = 4;
439 break;
440 case AMDGPU_HPD_6:
441 idx = 5;
442 break;
443 default:
444 continue;
445 }
446
447 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
448 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
449 WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
450
451 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx]);
452 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
453 DC_HPD_CONNECT_INT_DELAY,
454 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
455 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
456 DC_HPD_DISCONNECT_INT_DELAY,
457 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
458 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx], tmp);
459
460 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
461 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
462 }
463}
464
465/**
466 * dce_v11_0_hpd_fini - hpd tear down callback.
467 *
468 * @adev: amdgpu_device pointer
469 *
470 * Tear down the hpd pins used by the card (evergreen+).
471 * Disable the hpd interrupts.
472 */
473static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
474{
475 struct drm_device *dev = adev->ddev;
476 struct drm_connector *connector;
477 u32 tmp;
478 int idx;
479
480 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
481 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
482
483 switch (amdgpu_connector->hpd.hpd) {
484 case AMDGPU_HPD_1:
485 idx = 0;
486 break;
487 case AMDGPU_HPD_2:
488 idx = 1;
489 break;
490 case AMDGPU_HPD_3:
491 idx = 2;
492 break;
493 case AMDGPU_HPD_4:
494 idx = 3;
495 break;
496 case AMDGPU_HPD_5:
497 idx = 4;
498 break;
499 case AMDGPU_HPD_6:
500 idx = 5;
501 break;
502 default:
503 continue;
504 }
505
506 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
507 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
508 WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
509
510 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
511 }
512}
513
514static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
515{
516 return mmDC_GPIO_HPD_A;
517}
518
519static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
520{
521 u32 crtc_hung = 0;
522 u32 crtc_status[6];
523 u32 i, j, tmp;
524
525 for (i = 0; i < adev->mode_info.num_crtc; i++) {
526 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
527 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
528 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
529 crtc_hung |= (1 << i);
530 }
531 }
532
533 for (j = 0; j < 10; j++) {
534 for (i = 0; i < adev->mode_info.num_crtc; i++) {
535 if (crtc_hung & (1 << i)) {
536 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
537 if (tmp != crtc_status[i])
538 crtc_hung &= ~(1 << i);
539 }
540 }
541 if (crtc_hung == 0)
542 return false;
543 udelay(100);
544 }
545
546 return true;
547}
548
549static void dce_v11_0_stop_mc_access(struct amdgpu_device *adev,
550 struct amdgpu_mode_mc_save *save)
551{
552 u32 crtc_enabled, tmp;
553 int i;
554
555 save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
556 save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
557
558 /* disable VGA render */
559 tmp = RREG32(mmVGA_RENDER_CONTROL);
560 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
561 WREG32(mmVGA_RENDER_CONTROL, tmp);
562
563 /* blank the display controllers */
564 for (i = 0; i < adev->mode_info.num_crtc; i++) {
565 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
566 CRTC_CONTROL, CRTC_MASTER_EN);
567 if (crtc_enabled) {
568#if 0
569 u32 frame_count;
570 int j;
571
572 save->crtc_enabled[i] = true;
573 tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
574 if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) {
575 amdgpu_display_vblank_wait(adev, i);
576 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
577 tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1);
578 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
579 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
580 }
581 /* wait for the next frame */
582 frame_count = amdgpu_display_vblank_get_counter(adev, i);
583 for (j = 0; j < adev->usec_timeout; j++) {
584 if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
585 break;
586 udelay(1);
587 }
588 tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
589 if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK) == 0) {
590 tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 1);
591 WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
592 }
593 tmp = RREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i]);
594 if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK) == 0) {
595 tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 1);
596 WREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
597 }
598#else
599 /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
600 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
601 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
602 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
603 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
604 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
605 save->crtc_enabled[i] = false;
606 /* ***** */
607#endif
608 } else {
609 save->crtc_enabled[i] = false;
610 }
611 }
612}
613
614static void dce_v11_0_resume_mc_access(struct amdgpu_device *adev,
615 struct amdgpu_mode_mc_save *save)
616{
617 u32 tmp, frame_count;
618 int i, j;
619
620 /* update crtc base addresses */
621 for (i = 0; i < adev->mode_info.num_crtc; i++) {
622 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
623 upper_32_bits(adev->mc.vram_start));
624 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
625 upper_32_bits(adev->mc.vram_start));
626 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
627 (u32)adev->mc.vram_start);
628 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
629 (u32)adev->mc.vram_start);
630
631 if (save->crtc_enabled[i]) {
632 tmp = RREG32(mmCRTC_MASTER_UPDATE_MODE + crtc_offsets[i]);
633 if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_MODE, MASTER_UPDATE_MODE) != 3) {
634 tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_MODE, MASTER_UPDATE_MODE, 3);
635 WREG32(mmCRTC_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
636 }
637 tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
638 if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK)) {
639 tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 0);
640 WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
641 }
642 tmp = RREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i]);
643 if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK)) {
644 tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 0);
645 WREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
646 }
647 for (j = 0; j < adev->usec_timeout; j++) {
648 tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
649 if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_SURFACE_UPDATE_PENDING) == 0)
650 break;
651 udelay(1);
652 }
653 tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
654 tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0);
655 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
656 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
657 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
658 /* wait for the next frame */
659 frame_count = amdgpu_display_vblank_get_counter(adev, i);
660 for (j = 0; j < adev->usec_timeout; j++) {
661 if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
662 break;
663 udelay(1);
664 }
665 }
666 }
667
668 WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
669 WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start));
670
671 /* Unlock vga access */
672 WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
673 mdelay(1);
674 WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
675}
676
677static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
678 bool render)
679{
680 u32 tmp;
681
682 /* Lockout access through VGA aperture*/
683 tmp = RREG32(mmVGA_HDP_CONTROL);
684 if (render)
685 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
686 else
687 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
688 WREG32(mmVGA_HDP_CONTROL, tmp);
689
690 /* disable VGA render */
691 tmp = RREG32(mmVGA_RENDER_CONTROL);
692 if (render)
693 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
694 else
695 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
696 WREG32(mmVGA_RENDER_CONTROL, tmp);
697}
698
699static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
700{
701 struct drm_device *dev = encoder->dev;
702 struct amdgpu_device *adev = dev->dev_private;
703 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
704 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
705 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
706 int bpc = 0;
707 u32 tmp = 0;
708 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
709
710 if (connector) {
711 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
712 bpc = amdgpu_connector_get_monitor_bpc(connector);
713 dither = amdgpu_connector->dither;
714 }
715
716 /* LVDS/eDP FMT is set up by atom */
717 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
718 return;
719
720 /* not needed for analog */
721 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
722 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
723 return;
724
725 if (bpc == 0)
726 return;
727
728 switch (bpc) {
729 case 6:
730 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
731 /* XXX sort out optimal dither settings */
732 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
733 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
734 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
735 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
736 } else {
737 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
738 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
739 }
740 break;
741 case 8:
742 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
743 /* XXX sort out optimal dither settings */
744 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
745 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
746 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
747 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
748 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
749 } else {
750 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
751 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
752 }
753 break;
754 case 10:
755 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
756 /* XXX sort out optimal dither settings */
757 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
758 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
759 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
760 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
761 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
762 } else {
763 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
764 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
765 }
766 break;
767 default:
768 /* not needed */
769 break;
770 }
771
772 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
773}
774
775
776/* display watermark setup */
777/**
778 * dce_v11_0_line_buffer_adjust - Set up the line buffer
779 *
780 * @adev: amdgpu_device pointer
781 * @amdgpu_crtc: the selected display controller
782 * @mode: the current display mode on the selected display
783 * controller
784 *
785 * Setup up the line buffer allocation for
786 * the selected display controller (CIK).
787 * Returns the line buffer size in pixels.
788 */
789static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
790 struct amdgpu_crtc *amdgpu_crtc,
791 struct drm_display_mode *mode)
792{
793 u32 tmp, buffer_alloc, i, mem_cfg;
794 u32 pipe_offset = amdgpu_crtc->crtc_id;
795 /*
796 * Line Buffer Setup
797 * There are 6 line buffers, one for each display controllers.
798 * There are 3 partitions per LB. Select the number of partitions
799 * to enable based on the display width. For display widths larger
800 * than 4096, you need use to use 2 display controllers and combine
801 * them using the stereo blender.
802 */
803 if (amdgpu_crtc->base.enabled && mode) {
804 if (mode->crtc_hdisplay < 1920) {
805 mem_cfg = 1;
806 buffer_alloc = 2;
807 } else if (mode->crtc_hdisplay < 2560) {
808 mem_cfg = 2;
809 buffer_alloc = 2;
810 } else if (mode->crtc_hdisplay < 4096) {
811 mem_cfg = 0;
812 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
813 } else {
814 DRM_DEBUG_KMS("Mode too big for LB!\n");
815 mem_cfg = 0;
816 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
817 }
818 } else {
819 mem_cfg = 1;
820 buffer_alloc = 0;
821 }
822
823 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
824 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
825 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
826
827 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
828 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
829 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
830
831 for (i = 0; i < adev->usec_timeout; i++) {
832 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
833 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
834 break;
835 udelay(1);
836 }
837
838 if (amdgpu_crtc->base.enabled && mode) {
839 switch (mem_cfg) {
840 case 0:
841 default:
842 return 4096 * 2;
843 case 1:
844 return 1920 * 2;
845 case 2:
846 return 2560 * 2;
847 }
848 }
849
850 /* controller not enabled, so no lb used */
851 return 0;
852}
853
854/**
855 * cik_get_number_of_dram_channels - get the number of dram channels
856 *
857 * @adev: amdgpu_device pointer
858 *
859 * Look up the number of video ram channels (CIK).
860 * Used for display watermark bandwidth calculations
861 * Returns the number of dram channels
862 */
863static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
864{
865 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
866
867 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
868 case 0:
869 default:
870 return 1;
871 case 1:
872 return 2;
873 case 2:
874 return 4;
875 case 3:
876 return 8;
877 case 4:
878 return 3;
879 case 5:
880 return 6;
881 case 6:
882 return 10;
883 case 7:
884 return 12;
885 case 8:
886 return 16;
887 }
888}
889
890struct dce10_wm_params {
891 u32 dram_channels; /* number of dram channels */
892 u32 yclk; /* bandwidth per dram data pin in kHz */
893 u32 sclk; /* engine clock in kHz */
894 u32 disp_clk; /* display clock in kHz */
895 u32 src_width; /* viewport width */
896 u32 active_time; /* active display time in ns */
897 u32 blank_time; /* blank time in ns */
898 bool interlaced; /* mode is interlaced */
899 fixed20_12 vsc; /* vertical scale ratio */
900 u32 num_heads; /* number of active crtcs */
901 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
902 u32 lb_size; /* line buffer allocated to pipe */
903 u32 vtaps; /* vertical scaler taps */
904};
905
906/**
907 * dce_v11_0_dram_bandwidth - get the dram bandwidth
908 *
909 * @wm: watermark calculation data
910 *
911 * Calculate the raw dram bandwidth (CIK).
912 * Used for display watermark bandwidth calculations
913 * Returns the dram bandwidth in MBytes/s
914 */
915static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
916{
917 /* Calculate raw DRAM Bandwidth */
918 fixed20_12 dram_efficiency; /* 0.7 */
919 fixed20_12 yclk, dram_channels, bandwidth;
920 fixed20_12 a;
921
922 a.full = dfixed_const(1000);
923 yclk.full = dfixed_const(wm->yclk);
924 yclk.full = dfixed_div(yclk, a);
925 dram_channels.full = dfixed_const(wm->dram_channels * 4);
926 a.full = dfixed_const(10);
927 dram_efficiency.full = dfixed_const(7);
928 dram_efficiency.full = dfixed_div(dram_efficiency, a);
929 bandwidth.full = dfixed_mul(dram_channels, yclk);
930 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
931
932 return dfixed_trunc(bandwidth);
933}
934
935/**
936 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
937 *
938 * @wm: watermark calculation data
939 *
940 * Calculate the dram bandwidth used for display (CIK).
941 * Used for display watermark bandwidth calculations
942 * Returns the dram bandwidth for display in MBytes/s
943 */
944static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
945{
946 /* Calculate DRAM Bandwidth and the part allocated to display. */
947 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
948 fixed20_12 yclk, dram_channels, bandwidth;
949 fixed20_12 a;
950
951 a.full = dfixed_const(1000);
952 yclk.full = dfixed_const(wm->yclk);
953 yclk.full = dfixed_div(yclk, a);
954 dram_channels.full = dfixed_const(wm->dram_channels * 4);
955 a.full = dfixed_const(10);
956 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
957 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
958 bandwidth.full = dfixed_mul(dram_channels, yclk);
959 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
960
961 return dfixed_trunc(bandwidth);
962}
963
964/**
965 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
966 *
967 * @wm: watermark calculation data
968 *
969 * Calculate the data return bandwidth used for display (CIK).
970 * Used for display watermark bandwidth calculations
971 * Returns the data return bandwidth in MBytes/s
972 */
973static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
974{
975 /* Calculate the display Data return Bandwidth */
976 fixed20_12 return_efficiency; /* 0.8 */
977 fixed20_12 sclk, bandwidth;
978 fixed20_12 a;
979
980 a.full = dfixed_const(1000);
981 sclk.full = dfixed_const(wm->sclk);
982 sclk.full = dfixed_div(sclk, a);
983 a.full = dfixed_const(10);
984 return_efficiency.full = dfixed_const(8);
985 return_efficiency.full = dfixed_div(return_efficiency, a);
986 a.full = dfixed_const(32);
987 bandwidth.full = dfixed_mul(a, sclk);
988 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
989
990 return dfixed_trunc(bandwidth);
991}
992
993/**
994 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
995 *
996 * @wm: watermark calculation data
997 *
998 * Calculate the dmif bandwidth used for display (CIK).
999 * Used for display watermark bandwidth calculations
1000 * Returns the dmif bandwidth in MBytes/s
1001 */
1002static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
1003{
1004 /* Calculate the DMIF Request Bandwidth */
1005 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
1006 fixed20_12 disp_clk, bandwidth;
1007 fixed20_12 a, b;
1008
1009 a.full = dfixed_const(1000);
1010 disp_clk.full = dfixed_const(wm->disp_clk);
1011 disp_clk.full = dfixed_div(disp_clk, a);
1012 a.full = dfixed_const(32);
1013 b.full = dfixed_mul(a, disp_clk);
1014
1015 a.full = dfixed_const(10);
1016 disp_clk_request_efficiency.full = dfixed_const(8);
1017 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
1018
1019 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
1020
1021 return dfixed_trunc(bandwidth);
1022}
1023
1024/**
1025 * dce_v11_0_available_bandwidth - get the min available bandwidth
1026 *
1027 * @wm: watermark calculation data
1028 *
1029 * Calculate the min available bandwidth used for display (CIK).
1030 * Used for display watermark bandwidth calculations
1031 * Returns the min available bandwidth in MBytes/s
1032 */
1033static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
1034{
1035 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
1036 u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
1037 u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
1038 u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
1039
1040 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
1041}
1042
1043/**
1044 * dce_v11_0_average_bandwidth - get the average available bandwidth
1045 *
1046 * @wm: watermark calculation data
1047 *
1048 * Calculate the average available bandwidth used for display (CIK).
1049 * Used for display watermark bandwidth calculations
1050 * Returns the average available bandwidth in MBytes/s
1051 */
1052static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
1053{
1054 /* Calculate the display mode Average Bandwidth
1055 * DisplayMode should contain the source and destination dimensions,
1056 * timing, etc.
1057 */
1058 fixed20_12 bpp;
1059 fixed20_12 line_time;
1060 fixed20_12 src_width;
1061 fixed20_12 bandwidth;
1062 fixed20_12 a;
1063
1064 a.full = dfixed_const(1000);
1065 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
1066 line_time.full = dfixed_div(line_time, a);
1067 bpp.full = dfixed_const(wm->bytes_per_pixel);
1068 src_width.full = dfixed_const(wm->src_width);
1069 bandwidth.full = dfixed_mul(src_width, bpp);
1070 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
1071 bandwidth.full = dfixed_div(bandwidth, line_time);
1072
1073 return dfixed_trunc(bandwidth);
1074}
1075
1076/**
1077 * dce_v11_0_latency_watermark - get the latency watermark
1078 *
1079 * @wm: watermark calculation data
1080 *
1081 * Calculate the latency watermark (CIK).
1082 * Used for display watermark bandwidth calculations
1083 * Returns the latency watermark in ns
1084 */
1085static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
1086{
1087 /* First calculate the latency in ns */
1088 u32 mc_latency = 2000; /* 2000 ns. */
1089 u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
1090 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
1091 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
1092 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
1093 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
1094 (wm->num_heads * cursor_line_pair_return_time);
1095 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
1096 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
1097 u32 tmp, dmif_size = 12288;
1098 fixed20_12 a, b, c;
1099
1100 if (wm->num_heads == 0)
1101 return 0;
1102
1103 a.full = dfixed_const(2);
1104 b.full = dfixed_const(1);
1105 if ((wm->vsc.full > a.full) ||
1106 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
1107 (wm->vtaps >= 5) ||
1108 ((wm->vsc.full >= a.full) && wm->interlaced))
1109 max_src_lines_per_dst_line = 4;
1110 else
1111 max_src_lines_per_dst_line = 2;
1112
1113 a.full = dfixed_const(available_bandwidth);
1114 b.full = dfixed_const(wm->num_heads);
1115 a.full = dfixed_div(a, b);
1116
1117 b.full = dfixed_const(mc_latency + 512);
1118 c.full = dfixed_const(wm->disp_clk);
1119 b.full = dfixed_div(b, c);
1120
1121 c.full = dfixed_const(dmif_size);
1122 b.full = dfixed_div(c, b);
1123
1124 tmp = min(dfixed_trunc(a), dfixed_trunc(b));
1125
1126 b.full = dfixed_const(1000);
1127 c.full = dfixed_const(wm->disp_clk);
1128 b.full = dfixed_div(c, b);
1129 c.full = dfixed_const(wm->bytes_per_pixel);
1130 b.full = dfixed_mul(b, c);
1131
1132 lb_fill_bw = min(tmp, dfixed_trunc(b));
1133
1134 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
1135 b.full = dfixed_const(1000);
1136 c.full = dfixed_const(lb_fill_bw);
1137 b.full = dfixed_div(c, b);
1138 a.full = dfixed_div(a, b);
1139 line_fill_time = dfixed_trunc(a);
1140
1141 if (line_fill_time < wm->active_time)
1142 return latency;
1143 else
1144 return latency + (line_fill_time - wm->active_time);
1145
1146}
1147
1148/**
1149 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
1150 * average and available dram bandwidth
1151 *
1152 * @wm: watermark calculation data
1153 *
1154 * Check if the display average bandwidth fits in the display
1155 * dram bandwidth (CIK).
1156 * Used for display watermark bandwidth calculations
1157 * Returns true if the display fits, false if not.
1158 */
1159static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
1160{
1161 if (dce_v11_0_average_bandwidth(wm) <=
1162 (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
1163 return true;
1164 else
1165 return false;
1166}
1167
1168/**
1169 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
1170 * average and available bandwidth
1171 *
1172 * @wm: watermark calculation data
1173 *
1174 * Check if the display average bandwidth fits in the display
1175 * available bandwidth (CIK).
1176 * Used for display watermark bandwidth calculations
1177 * Returns true if the display fits, false if not.
1178 */
1179static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1180{
1181 if (dce_v11_0_average_bandwidth(wm) <=
1182 (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1183 return true;
1184 else
1185 return false;
1186}
1187
1188/**
1189 * dce_v11_0_check_latency_hiding - check latency hiding
1190 *
1191 * @wm: watermark calculation data
1192 *
1193 * Check latency hiding (CIK).
1194 * Used for display watermark bandwidth calculations
1195 * Returns true if the display fits, false if not.
1196 */
1197static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1198{
1199 u32 lb_partitions = wm->lb_size / wm->src_width;
1200 u32 line_time = wm->active_time + wm->blank_time;
1201 u32 latency_tolerant_lines;
1202 u32 latency_hiding;
1203 fixed20_12 a;
1204
1205 a.full = dfixed_const(1);
1206 if (wm->vsc.full > a.full)
1207 latency_tolerant_lines = 1;
1208 else {
1209 if (lb_partitions <= (wm->vtaps + 1))
1210 latency_tolerant_lines = 1;
1211 else
1212 latency_tolerant_lines = 2;
1213 }
1214
1215 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1216
1217 if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1218 return true;
1219 else
1220 return false;
1221}
1222
1223/**
1224 * dce_v11_0_program_watermarks - program display watermarks
1225 *
1226 * @adev: amdgpu_device pointer
1227 * @amdgpu_crtc: the selected display controller
1228 * @lb_size: line buffer size
1229 * @num_heads: number of display controllers in use
1230 *
1231 * Calculate and program the display watermarks for the
1232 * selected display controller (CIK).
1233 */
1234static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1235 struct amdgpu_crtc *amdgpu_crtc,
1236 u32 lb_size, u32 num_heads)
1237{
1238 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1239 struct dce10_wm_params wm_low, wm_high;
1240 u32 pixel_period;
1241 u32 line_time = 0;
1242 u32 latency_watermark_a = 0, latency_watermark_b = 0;
1243 u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1244
1245 if (amdgpu_crtc->base.enabled && num_heads && mode) {
1246 pixel_period = 1000000 / (u32)mode->clock;
1247 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
1248
1249 /* watermark for high clocks */
1250 if (adev->pm.dpm_enabled) {
1251 wm_high.yclk =
1252 amdgpu_dpm_get_mclk(adev, false) * 10;
1253 wm_high.sclk =
1254 amdgpu_dpm_get_sclk(adev, false) * 10;
1255 } else {
1256 wm_high.yclk = adev->pm.current_mclk * 10;
1257 wm_high.sclk = adev->pm.current_sclk * 10;
1258 }
1259
1260 wm_high.disp_clk = mode->clock;
1261 wm_high.src_width = mode->crtc_hdisplay;
1262 wm_high.active_time = mode->crtc_hdisplay * pixel_period;
1263 wm_high.blank_time = line_time - wm_high.active_time;
1264 wm_high.interlaced = false;
1265 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1266 wm_high.interlaced = true;
1267 wm_high.vsc = amdgpu_crtc->vsc;
1268 wm_high.vtaps = 1;
1269 if (amdgpu_crtc->rmx_type != RMX_OFF)
1270 wm_high.vtaps = 2;
1271 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1272 wm_high.lb_size = lb_size;
1273 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1274 wm_high.num_heads = num_heads;
1275
1276 /* set for high clocks */
1277 latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1278
1279 /* possibly force display priority to high */
1280 /* should really do this at mode validation time... */
1281 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1282 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1283 !dce_v11_0_check_latency_hiding(&wm_high) ||
1284 (adev->mode_info.disp_priority == 2)) {
1285 DRM_DEBUG_KMS("force priority to high\n");
1286 }
1287
1288 /* watermark for low clocks */
1289 if (adev->pm.dpm_enabled) {
1290 wm_low.yclk =
1291 amdgpu_dpm_get_mclk(adev, true) * 10;
1292 wm_low.sclk =
1293 amdgpu_dpm_get_sclk(adev, true) * 10;
1294 } else {
1295 wm_low.yclk = adev->pm.current_mclk * 10;
1296 wm_low.sclk = adev->pm.current_sclk * 10;
1297 }
1298
1299 wm_low.disp_clk = mode->clock;
1300 wm_low.src_width = mode->crtc_hdisplay;
1301 wm_low.active_time = mode->crtc_hdisplay * pixel_period;
1302 wm_low.blank_time = line_time - wm_low.active_time;
1303 wm_low.interlaced = false;
1304 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1305 wm_low.interlaced = true;
1306 wm_low.vsc = amdgpu_crtc->vsc;
1307 wm_low.vtaps = 1;
1308 if (amdgpu_crtc->rmx_type != RMX_OFF)
1309 wm_low.vtaps = 2;
1310 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1311 wm_low.lb_size = lb_size;
1312 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1313 wm_low.num_heads = num_heads;
1314
1315 /* set for low clocks */
1316 latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1317
1318 /* possibly force display priority to high */
1319 /* should really do this at mode validation time... */
1320 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1321 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1322 !dce_v11_0_check_latency_hiding(&wm_low) ||
1323 (adev->mode_info.disp_priority == 2)) {
1324 DRM_DEBUG_KMS("force priority to high\n");
1325 }
1326 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1327 }
1328
1329 /* select wm A */
1330 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1331 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1332 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1333 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1334 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1335 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1336 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1337 /* select wm B */
1338 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1339 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1340 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1341 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1342 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1343 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1344 /* restore original selection */
1345 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1346
1347 /* save values for DPM */
1348 amdgpu_crtc->line_time = line_time;
1349 amdgpu_crtc->wm_high = latency_watermark_a;
1350 amdgpu_crtc->wm_low = latency_watermark_b;
1351 /* Save number of lines the linebuffer leads before the scanout */
1352 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1353}
1354
1355/**
1356 * dce_v11_0_bandwidth_update - program display watermarks
1357 *
1358 * @adev: amdgpu_device pointer
1359 *
1360 * Calculate and program the display watermarks and line
1361 * buffer allocation (CIK).
1362 */
1363static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1364{
1365 struct drm_display_mode *mode = NULL;
1366 u32 num_heads = 0, lb_size;
1367 int i;
1368
1369 amdgpu_update_display_priority(adev);
1370
1371 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1372 if (adev->mode_info.crtcs[i]->base.enabled)
1373 num_heads++;
1374 }
1375 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1376 mode = &adev->mode_info.crtcs[i]->base.mode;
1377 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1378 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1379 lb_size, num_heads);
1380 }
1381}
1382
1383static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1384{
1385 int i;
1386 u32 offset, tmp;
1387
1388 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1389 offset = adev->mode_info.audio.pin[i].offset;
1390 tmp = RREG32_AUDIO_ENDPT(offset,
1391 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1392 if (((tmp &
1393 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1394 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1395 adev->mode_info.audio.pin[i].connected = false;
1396 else
1397 adev->mode_info.audio.pin[i].connected = true;
1398 }
1399}
1400
1401static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1402{
1403 int i;
1404
1405 dce_v11_0_audio_get_connected_pins(adev);
1406
1407 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1408 if (adev->mode_info.audio.pin[i].connected)
1409 return &adev->mode_info.audio.pin[i];
1410 }
1411 DRM_ERROR("No connected audio pins found!\n");
1412 return NULL;
1413}
1414
1415static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1416{
1417 struct amdgpu_device *adev = encoder->dev->dev_private;
1418 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1419 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1420 u32 tmp;
1421
1422 if (!dig || !dig->afmt || !dig->afmt->pin)
1423 return;
1424
1425 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1426 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1427 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1428}
1429
1430static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1431 struct drm_display_mode *mode)
1432{
1433 struct amdgpu_device *adev = encoder->dev->dev_private;
1434 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1435 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1436 struct drm_connector *connector;
1437 struct amdgpu_connector *amdgpu_connector = NULL;
1438 u32 tmp;
1439 int interlace = 0;
1440
1441 if (!dig || !dig->afmt || !dig->afmt->pin)
1442 return;
1443
1444 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1445 if (connector->encoder == encoder) {
1446 amdgpu_connector = to_amdgpu_connector(connector);
1447 break;
1448 }
1449 }
1450
1451 if (!amdgpu_connector) {
1452 DRM_ERROR("Couldn't find encoder's connector\n");
1453 return;
1454 }
1455
1456 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1457 interlace = 1;
1458 if (connector->latency_present[interlace]) {
1459 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1460 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1461 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1462 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1463 } else {
1464 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1465 VIDEO_LIPSYNC, 0);
1466 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1467 AUDIO_LIPSYNC, 0);
1468 }
1469 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1470 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1471}
1472
1473static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1474{
1475 struct amdgpu_device *adev = encoder->dev->dev_private;
1476 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1477 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1478 struct drm_connector *connector;
1479 struct amdgpu_connector *amdgpu_connector = NULL;
1480 u32 tmp;
1481 u8 *sadb = NULL;
1482 int sad_count;
1483
1484 if (!dig || !dig->afmt || !dig->afmt->pin)
1485 return;
1486
1487 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1488 if (connector->encoder == encoder) {
1489 amdgpu_connector = to_amdgpu_connector(connector);
1490 break;
1491 }
1492 }
1493
1494 if (!amdgpu_connector) {
1495 DRM_ERROR("Couldn't find encoder's connector\n");
1496 return;
1497 }
1498
1499 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1500 if (sad_count < 0) {
1501 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1502 sad_count = 0;
1503 }
1504
1505 /* program the speaker allocation */
1506 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1507 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1508 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1509 DP_CONNECTION, 0);
1510 /* set HDMI mode */
1511 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1512 HDMI_CONNECTION, 1);
1513 if (sad_count)
1514 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1515 SPEAKER_ALLOCATION, sadb[0]);
1516 else
1517 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1518 SPEAKER_ALLOCATION, 5); /* stereo */
1519 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1520 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1521
1522 kfree(sadb);
1523}
1524
1525static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1526{
1527 struct amdgpu_device *adev = encoder->dev->dev_private;
1528 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1529 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1530 struct drm_connector *connector;
1531 struct amdgpu_connector *amdgpu_connector = NULL;
1532 struct cea_sad *sads;
1533 int i, sad_count;
1534
1535 static const u16 eld_reg_to_type[][2] = {
1536 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1537 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1538 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1539 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1540 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1541 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1542 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1543 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1544 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1545 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1546 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1547 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1548 };
1549
1550 if (!dig || !dig->afmt || !dig->afmt->pin)
1551 return;
1552
1553 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1554 if (connector->encoder == encoder) {
1555 amdgpu_connector = to_amdgpu_connector(connector);
1556 break;
1557 }
1558 }
1559
1560 if (!amdgpu_connector) {
1561 DRM_ERROR("Couldn't find encoder's connector\n");
1562 return;
1563 }
1564
1565 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1566 if (sad_count <= 0) {
1567 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1568 return;
1569 }
1570 BUG_ON(!sads);
1571
1572 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1573 u32 tmp = 0;
1574 u8 stereo_freqs = 0;
1575 int max_channels = -1;
1576 int j;
1577
1578 for (j = 0; j < sad_count; j++) {
1579 struct cea_sad *sad = &sads[j];
1580
1581 if (sad->format == eld_reg_to_type[i][1]) {
1582 if (sad->channels > max_channels) {
1583 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1584 MAX_CHANNELS, sad->channels);
1585 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1586 DESCRIPTOR_BYTE_2, sad->byte2);
1587 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1588 SUPPORTED_FREQUENCIES, sad->freq);
1589 max_channels = sad->channels;
1590 }
1591
1592 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1593 stereo_freqs |= sad->freq;
1594 else
1595 break;
1596 }
1597 }
1598
1599 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1600 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1601 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1602 }
1603
1604 kfree(sads);
1605}
1606
1607static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1608 struct amdgpu_audio_pin *pin,
1609 bool enable)
1610{
1611 if (!pin)
1612 return;
1613
1614 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1615 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1616}
1617
1618static const u32 pin_offsets[] =
1619{
1620 AUD0_REGISTER_OFFSET,
1621 AUD1_REGISTER_OFFSET,
1622 AUD2_REGISTER_OFFSET,
1623 AUD3_REGISTER_OFFSET,
1624 AUD4_REGISTER_OFFSET,
1625 AUD5_REGISTER_OFFSET,
1626 AUD6_REGISTER_OFFSET,
1627};
1628
1629static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1630{
1631 int i;
1632
1633 if (!amdgpu_audio)
1634 return 0;
1635
1636 adev->mode_info.audio.enabled = true;
1637
1638 adev->mode_info.audio.num_pins = 7;
1639
1640 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1641 adev->mode_info.audio.pin[i].channels = -1;
1642 adev->mode_info.audio.pin[i].rate = -1;
1643 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1644 adev->mode_info.audio.pin[i].status_bits = 0;
1645 adev->mode_info.audio.pin[i].category_code = 0;
1646 adev->mode_info.audio.pin[i].connected = false;
1647 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1648 adev->mode_info.audio.pin[i].id = i;
1649 /* disable audio. it will be set up later */
1650 /* XXX remove once we switch to ip funcs */
1651 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1652 }
1653
1654 return 0;
1655}
1656
1657static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1658{
1659 int i;
1660
1661 if (!amdgpu_audio)
1662 return;
1663
1664 if (!adev->mode_info.audio.enabled)
1665 return;
1666
1667 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1668 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1669
1670 adev->mode_info.audio.enabled = false;
1671}
1672
1673/*
1674 * update the N and CTS parameters for a given pixel clock rate
1675 */
1676static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1677{
1678 struct drm_device *dev = encoder->dev;
1679 struct amdgpu_device *adev = dev->dev_private;
1680 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1681 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1682 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1683 u32 tmp;
1684
1685 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1686 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1687 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1688 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1689 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1690 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1691
1692 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1693 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1694 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1695 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1696 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1697 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1698
1699 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1700 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1701 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1702 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1703 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1704 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1705
1706}
1707
1708/*
1709 * build a HDMI Video Info Frame
1710 */
1711static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1712 void *buffer, size_t size)
1713{
1714 struct drm_device *dev = encoder->dev;
1715 struct amdgpu_device *adev = dev->dev_private;
1716 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1717 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1718 uint8_t *frame = buffer + 3;
1719 uint8_t *header = buffer;
1720
1721 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1722 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1723 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1724 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1725 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1726 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1727 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1728 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1729}
1730
1731static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1732{
1733 struct drm_device *dev = encoder->dev;
1734 struct amdgpu_device *adev = dev->dev_private;
1735 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1736 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1737 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1738 u32 dto_phase = 24 * 1000;
1739 u32 dto_modulo = clock;
1740 u32 tmp;
1741
1742 if (!dig || !dig->afmt)
1743 return;
1744
1745 /* XXX two dtos; generally use dto0 for hdmi */
1746 /* Express [24MHz / target pixel clock] as an exact rational
1747 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1748 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1749 */
1750 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1751 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1752 amdgpu_crtc->crtc_id);
1753 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1754 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1755 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1756}
1757
1758/*
1759 * update the info frames with the data from the current display mode
1760 */
1761static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1762 struct drm_display_mode *mode)
1763{
1764 struct drm_device *dev = encoder->dev;
1765 struct amdgpu_device *adev = dev->dev_private;
1766 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1767 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1768 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1769 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1770 struct hdmi_avi_infoframe frame;
1771 ssize_t err;
1772 u32 tmp;
1773 int bpc = 8;
1774
1775 if (!dig || !dig->afmt)
1776 return;
1777
1778 /* Silent, r600_hdmi_enable will raise WARN for us */
1779 if (!dig->afmt->enabled)
1780 return;
1781
1782 /* hdmi deep color mode general control packets setup, if bpc > 8 */
1783 if (encoder->crtc) {
1784 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1785 bpc = amdgpu_crtc->bpc;
1786 }
1787
1788 /* disable audio prior to setting up hw */
1789 dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1790 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1791
1792 dce_v11_0_audio_set_dto(encoder, mode->clock);
1793
1794 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1795 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1796 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1797
1798 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1799
1800 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1801 switch (bpc) {
1802 case 0:
1803 case 6:
1804 case 8:
1805 case 16:
1806 default:
1807 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1808 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1809 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1810 connector->name, bpc);
1811 break;
1812 case 10:
1813 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1814 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1815 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1816 connector->name);
1817 break;
1818 case 12:
1819 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1820 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1821 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1822 connector->name);
1823 break;
1824 }
1825 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1826
1827 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1828 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1829 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1830 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1831 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1832
1833 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1834 /* enable audio info frames (frames won't be set until audio is enabled) */
1835 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1836 /* required for audio info values to be updated */
1837 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1838 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1839
1840 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1841 /* required for audio info values to be updated */
1842 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1843 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1844
1845 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1846 /* anything other than 0 */
1847 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1848 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1849
1850 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1851
1852 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1853 /* set the default audio delay */
1854 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1855 /* should be suffient for all audio modes and small enough for all hblanks */
1856 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1857 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1858
1859 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1860 /* allow 60958 channel status fields to be updated */
1861 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1862 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1863
1864 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1865 if (bpc > 8)
1866 /* clear SW CTS value */
1867 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1868 else
1869 /* select SW CTS value */
1870 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1871 /* allow hw to sent ACR packets when required */
1872 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1873 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1874
1875 dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1876
1877 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1878 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1879 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1880
1881 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1882 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1883 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1884
1885 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1886 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1887 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1888 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1889 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1890 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1891 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1892 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1893
1894 dce_v11_0_audio_write_speaker_allocation(encoder);
1895
1896 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1897 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1898
1899 dce_v11_0_afmt_audio_select_pin(encoder);
1900 dce_v11_0_audio_write_sad_regs(encoder);
1901 dce_v11_0_audio_write_latency_fields(encoder, mode);
1902
1903 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
1904 if (err < 0) {
1905 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1906 return;
1907 }
1908
1909 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1910 if (err < 0) {
1911 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1912 return;
1913 }
1914
1915 dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1916
1917 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1918 /* enable AVI info frames */
1919 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1920 /* required for audio info values to be updated */
1921 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1922 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1923
1924 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1925 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1926 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1927
1928 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1929 /* send audio packets */
1930 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1931 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1932
1933 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1934 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1935 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1936 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1937
1938 /* enable audio after to setting up hw */
1939 dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1940}
1941
1942static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1943{
1944 struct drm_device *dev = encoder->dev;
1945 struct amdgpu_device *adev = dev->dev_private;
1946 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1947 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1948
1949 if (!dig || !dig->afmt)
1950 return;
1951
1952 /* Silent, r600_hdmi_enable will raise WARN for us */
1953 if (enable && dig->afmt->enabled)
1954 return;
1955 if (!enable && !dig->afmt->enabled)
1956 return;
1957
1958 if (!enable && dig->afmt->pin) {
1959 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1960 dig->afmt->pin = NULL;
1961 }
1962
1963 dig->afmt->enabled = enable;
1964
1965 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1966 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1967}
1968
1969static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1970{
1971 int i;
1972
1973 for (i = 0; i < adev->mode_info.num_dig; i++)
1974 adev->mode_info.afmt[i] = NULL;
1975
1976 /* DCE11 has audio blocks tied to DIG encoders */
1977 for (i = 0; i < adev->mode_info.num_dig; i++) {
1978 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1979 if (adev->mode_info.afmt[i]) {
1980 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1981 adev->mode_info.afmt[i]->id = i;
1982 } else {
1983 int j;
1984 for (j = 0; j < i; j++) {
1985 kfree(adev->mode_info.afmt[j]);
1986 adev->mode_info.afmt[j] = NULL;
1987 }
1988 return -ENOMEM;
1989 }
1990 }
1991 return 0;
1992}
1993
1994static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1995{
1996 int i;
1997
1998 for (i = 0; i < adev->mode_info.num_dig; i++) {
1999 kfree(adev->mode_info.afmt[i]);
2000 adev->mode_info.afmt[i] = NULL;
2001 }
2002}
2003
2004static const u32 vga_control_regs[6] =
2005{
2006 mmD1VGA_CONTROL,
2007 mmD2VGA_CONTROL,
2008 mmD3VGA_CONTROL,
2009 mmD4VGA_CONTROL,
2010 mmD5VGA_CONTROL,
2011 mmD6VGA_CONTROL,
2012};
2013
2014static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
2015{
2016 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2017 struct drm_device *dev = crtc->dev;
2018 struct amdgpu_device *adev = dev->dev_private;
2019 u32 vga_control;
2020
2021 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
2022 if (enable)
2023 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
2024 else
2025 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
2026}
2027
2028static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
2029{
2030 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2031 struct drm_device *dev = crtc->dev;
2032 struct amdgpu_device *adev = dev->dev_private;
2033
2034 if (enable)
2035 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
2036 else
2037 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
2038}
2039
2040static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
2041 struct drm_framebuffer *fb,
2042 int x, int y, int atomic)
2043{
2044 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2045 struct drm_device *dev = crtc->dev;
2046 struct amdgpu_device *adev = dev->dev_private;
2047 struct amdgpu_framebuffer *amdgpu_fb;
2048 struct drm_framebuffer *target_fb;
2049 struct drm_gem_object *obj;
2050 struct amdgpu_bo *rbo;
2051 uint64_t fb_location, tiling_flags;
2052 uint32_t fb_format, fb_pitch_pixels;
2053 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
2054 u32 pipe_config;
2055 u32 tmp, viewport_w, viewport_h;
2056 int r;
2057 bool bypass_lut = false;
2058
2059 /* no fb bound */
2060 if (!atomic && !crtc->primary->fb) {
2061 DRM_DEBUG_KMS("No FB bound\n");
2062 return 0;
2063 }
2064
2065 if (atomic) {
2066 amdgpu_fb = to_amdgpu_framebuffer(fb);
2067 target_fb = fb;
2068 } else {
2069 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2070 target_fb = crtc->primary->fb;
2071 }
2072
2073 /* If atomic, assume fb object is pinned & idle & fenced and
2074 * just update base pointers
2075 */
2076 obj = amdgpu_fb->obj;
2077 rbo = gem_to_amdgpu_bo(obj);
2078 r = amdgpu_bo_reserve(rbo, false);
2079 if (unlikely(r != 0))
2080 return r;
2081
2082 if (atomic) {
2083 fb_location = amdgpu_bo_gpu_offset(rbo);
2084 } else {
2085 r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
2086 if (unlikely(r != 0)) {
2087 amdgpu_bo_unreserve(rbo);
2088 return -EINVAL;
2089 }
2090 }
2091
2092 amdgpu_bo_get_tiling_flags(rbo, &tiling_flags);
2093 amdgpu_bo_unreserve(rbo);
2094
2095 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
2096
2097 switch (target_fb->pixel_format) {
2098 case DRM_FORMAT_C8:
2099 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
2100 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2101 break;
2102 case DRM_FORMAT_XRGB4444:
2103 case DRM_FORMAT_ARGB4444:
2104 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2105 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
2106#ifdef __BIG_ENDIAN
2107 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2108 ENDIAN_8IN16);
2109#endif
2110 break;
2111 case DRM_FORMAT_XRGB1555:
2112 case DRM_FORMAT_ARGB1555:
2113 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2114 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2115#ifdef __BIG_ENDIAN
2116 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2117 ENDIAN_8IN16);
2118#endif
2119 break;
2120 case DRM_FORMAT_BGRX5551:
2121 case DRM_FORMAT_BGRA5551:
2122 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2123 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
2124#ifdef __BIG_ENDIAN
2125 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2126 ENDIAN_8IN16);
2127#endif
2128 break;
2129 case DRM_FORMAT_RGB565:
2130 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2131 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2132#ifdef __BIG_ENDIAN
2133 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2134 ENDIAN_8IN16);
2135#endif
2136 break;
2137 case DRM_FORMAT_XRGB8888:
2138 case DRM_FORMAT_ARGB8888:
2139 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2140 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2141#ifdef __BIG_ENDIAN
2142 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2143 ENDIAN_8IN32);
2144#endif
2145 break;
2146 case DRM_FORMAT_XRGB2101010:
2147 case DRM_FORMAT_ARGB2101010:
2148 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2149 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2150#ifdef __BIG_ENDIAN
2151 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2152 ENDIAN_8IN32);
2153#endif
2154 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2155 bypass_lut = true;
2156 break;
2157 case DRM_FORMAT_BGRX1010102:
2158 case DRM_FORMAT_BGRA1010102:
2159 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2160 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2161#ifdef __BIG_ENDIAN
2162 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2163 ENDIAN_8IN32);
2164#endif
2165 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2166 bypass_lut = true;
2167 break;
2168 default:
2169 DRM_ERROR("Unsupported screen format %s\n",
2170 drm_get_format_name(target_fb->pixel_format));
2171 return -EINVAL;
2172 }
2173
2174 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2175 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2176
2177 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2178 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2179 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2180 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2181 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2182
2183 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2184 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2185 ARRAY_2D_TILED_THIN1);
2186 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2187 tile_split);
2188 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2189 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2190 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2191 mtaspect);
2192 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2193 ADDR_SURF_MICRO_TILING_DISPLAY);
2194 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2195 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2196 ARRAY_1D_TILED_THIN1);
2197 }
2198
2199 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2200 pipe_config);
2201
2202 dce_v11_0_vga_enable(crtc, false);
2203
2204 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2205 upper_32_bits(fb_location));
2206 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2207 upper_32_bits(fb_location));
2208 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2209 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2210 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2211 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2212 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2213 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2214
2215 /*
2216 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2217 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2218 * retain the full precision throughout the pipeline.
2219 */
2220 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2221 if (bypass_lut)
2222 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2223 else
2224 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2225 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2226
2227 if (bypass_lut)
2228 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2229
2230 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2231 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2232 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2233 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2234 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2235 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2236
2237 fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
2238 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2239
2240 dce_v11_0_grph_enable(crtc, true);
2241
2242 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2243 target_fb->height);
2244
2245 x &= ~3;
2246 y &= ~1;
2247 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2248 (x << 16) | y);
2249 viewport_w = crtc->mode.hdisplay;
2250 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2251 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2252 (viewport_w << 16) | viewport_h);
2253
2254 /* pageflip setup */
2255 /* make sure flip is at vb rather than hb */
2256 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2257 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2258 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2259 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2260
2261 /* set pageflip to happen only at start of vblank interval (front porch) */
2262 WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 3);
2263
2264 if (!atomic && fb && fb != crtc->primary->fb) {
2265 amdgpu_fb = to_amdgpu_framebuffer(fb);
2266 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2267 r = amdgpu_bo_reserve(rbo, false);
2268 if (unlikely(r != 0))
2269 return r;
2270 amdgpu_bo_unpin(rbo);
2271 amdgpu_bo_unreserve(rbo);
2272 }
2273
2274 /* Bytes per pixel may have changed */
2275 dce_v11_0_bandwidth_update(adev);
2276
2277 return 0;
2278}
2279
2280static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2281 struct drm_display_mode *mode)
2282{
2283 struct drm_device *dev = crtc->dev;
2284 struct amdgpu_device *adev = dev->dev_private;
2285 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2286 u32 tmp;
2287
2288 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2289 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2290 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2291 else
2292 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2293 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2294}
2295
2296static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2297{
2298 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2299 struct drm_device *dev = crtc->dev;
2300 struct amdgpu_device *adev = dev->dev_private;
2301 int i;
2302 u32 tmp;
2303
2304 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2305
2306 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2307 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2308 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2309
2310 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2311 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2312 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2313
2314 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2315 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2316 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2317
2318 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2319
2320 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2321 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2322 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2323
2324 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2325 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2326 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2327
2328 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2329 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2330
2331 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2332 for (i = 0; i < 256; i++) {
2333 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2334 (amdgpu_crtc->lut_r[i] << 20) |
2335 (amdgpu_crtc->lut_g[i] << 10) |
2336 (amdgpu_crtc->lut_b[i] << 0));
2337 }
2338
2339 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2340 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2341 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2342 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2343 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2344
2345 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2346 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2347 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2348
2349 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2350 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2351 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2352
2353 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2354 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2355 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2356
2357 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2358 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2359 /* XXX this only needs to be programmed once per crtc at startup,
2360 * not sure where the best place for it is
2361 */
2362 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2363 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2364 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2365}
2366
2367static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2368{
2369 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2370 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2371
2372 switch (amdgpu_encoder->encoder_id) {
2373 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2374 if (dig->linkb)
2375 return 1;
2376 else
2377 return 0;
2378 break;
2379 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2380 if (dig->linkb)
2381 return 3;
2382 else
2383 return 2;
2384 break;
2385 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2386 if (dig->linkb)
2387 return 5;
2388 else
2389 return 4;
2390 break;
2391 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2392 return 6;
2393 break;
2394 default:
2395 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2396 return 0;
2397 }
2398}
2399
2400/**
2401 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2402 *
2403 * @crtc: drm crtc
2404 *
2405 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2406 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2407 * monitors a dedicated PPLL must be used. If a particular board has
2408 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2409 * as there is no need to program the PLL itself. If we are not able to
2410 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2411 * avoid messing up an existing monitor.
2412 *
2413 * Asic specific PLL information
2414 *
2415 * DCE 10.x
2416 * Tonga
2417 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2418 * CI
2419 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2420 *
2421 */
2422static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2423{
2424 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2425 struct drm_device *dev = crtc->dev;
2426 struct amdgpu_device *adev = dev->dev_private;
2427 u32 pll_in_use;
2428 int pll;
2429
2430 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2431 if (adev->clock.dp_extclk)
2432 /* skip PPLL programming if using ext clock */
2433 return ATOM_PPLL_INVALID;
2434 else {
2435 /* use the same PPLL for all DP monitors */
2436 pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2437 if (pll != ATOM_PPLL_INVALID)
2438 return pll;
2439 }
2440 } else {
2441 /* use the same PPLL for all monitors with the same clock */
2442 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2443 if (pll != ATOM_PPLL_INVALID)
2444 return pll;
2445 }
2446
2447 /* XXX need to determine what plls are available on each DCE11 part */
2448 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2449 if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) {
2450 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2451 return ATOM_PPLL1;
2452 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2453 return ATOM_PPLL0;
2454 DRM_ERROR("unable to allocate a PPLL\n");
2455 return ATOM_PPLL_INVALID;
2456 } else {
2457 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2458 return ATOM_PPLL2;
2459 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2460 return ATOM_PPLL1;
2461 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2462 return ATOM_PPLL0;
2463 DRM_ERROR("unable to allocate a PPLL\n");
2464 return ATOM_PPLL_INVALID;
2465 }
2466 return ATOM_PPLL_INVALID;
2467}
2468
2469static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2470{
2471 struct amdgpu_device *adev = crtc->dev->dev_private;
2472 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2473 uint32_t cur_lock;
2474
2475 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2476 if (lock)
2477 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2478 else
2479 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2480 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2481}
2482
2483static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2484{
2485 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2486 struct amdgpu_device *adev = crtc->dev->dev_private;
2487 u32 tmp;
2488
2489 tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2490 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2491 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2492}
2493
2494static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2495{
2496 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2497 struct amdgpu_device *adev = crtc->dev->dev_private;
2498 u32 tmp;
2499
2500 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2501 upper_32_bits(amdgpu_crtc->cursor_addr));
2502 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2503 lower_32_bits(amdgpu_crtc->cursor_addr));
2504
2505 tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2506 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2507 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2508 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2509}
2510
2511static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2512 int x, int y)
2513{
2514 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2515 struct amdgpu_device *adev = crtc->dev->dev_private;
2516 int xorigin = 0, yorigin = 0;
2517
2518 /* avivo cursor are offset into the total surface */
2519 x += crtc->x;
2520 y += crtc->y;
2521 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2522
2523 if (x < 0) {
2524 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2525 x = 0;
2526 }
2527 if (y < 0) {
2528 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2529 y = 0;
2530 }
2531
2532 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2533 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2534 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2535 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2536
2537 amdgpu_crtc->cursor_x = x;
2538 amdgpu_crtc->cursor_y = y;
2539
2540 return 0;
2541}
2542
2543static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2544 int x, int y)
2545{
2546 int ret;
2547
2548 dce_v11_0_lock_cursor(crtc, true);
2549 ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2550 dce_v11_0_lock_cursor(crtc, false);
2551
2552 return ret;
2553}
2554
2555static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2556 struct drm_file *file_priv,
2557 uint32_t handle,
2558 uint32_t width,
2559 uint32_t height,
2560 int32_t hot_x,
2561 int32_t hot_y)
2562{
2563 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2564 struct drm_gem_object *obj;
2565 struct amdgpu_bo *aobj;
2566 int ret;
2567
2568 if (!handle) {
2569 /* turn off cursor */
2570 dce_v11_0_hide_cursor(crtc);
2571 obj = NULL;
2572 goto unpin;
2573 }
2574
2575 if ((width > amdgpu_crtc->max_cursor_width) ||
2576 (height > amdgpu_crtc->max_cursor_height)) {
2577 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2578 return -EINVAL;
2579 }
2580
2581 obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
2582 if (!obj) {
2583 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2584 return -ENOENT;
2585 }
2586
2587 aobj = gem_to_amdgpu_bo(obj);
2588 ret = amdgpu_bo_reserve(aobj, false);
2589 if (ret != 0) {
2590 drm_gem_object_unreference_unlocked(obj);
2591 return ret;
2592 }
2593
2594 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
2595 amdgpu_bo_unreserve(aobj);
2596 if (ret) {
2597 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2598 drm_gem_object_unreference_unlocked(obj);
2599 return ret;
2600 }
2601
2602 amdgpu_crtc->cursor_width = width;
2603 amdgpu_crtc->cursor_height = height;
2604
2605 dce_v11_0_lock_cursor(crtc, true);
2606
2607 if (hot_x != amdgpu_crtc->cursor_hot_x ||
2608 hot_y != amdgpu_crtc->cursor_hot_y) {
2609 int x, y;
2610
2611 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2612 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2613
2614 dce_v11_0_cursor_move_locked(crtc, x, y);
2615
2616 amdgpu_crtc->cursor_hot_x = hot_x;
2617 amdgpu_crtc->cursor_hot_y = hot_y;
2618 }
2619
2620 dce_v11_0_show_cursor(crtc);
2621 dce_v11_0_lock_cursor(crtc, false);
2622
2623unpin:
2624 if (amdgpu_crtc->cursor_bo) {
2625 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2626 ret = amdgpu_bo_reserve(aobj, false);
2627 if (likely(ret == 0)) {
2628 amdgpu_bo_unpin(aobj);
2629 amdgpu_bo_unreserve(aobj);
2630 }
2631 drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
2632 }
2633
2634 amdgpu_crtc->cursor_bo = obj;
2635 return 0;
2636}
2637
2638static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2639{
2640 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2641
2642 if (amdgpu_crtc->cursor_bo) {
2643 dce_v11_0_lock_cursor(crtc, true);
2644
2645 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2646 amdgpu_crtc->cursor_y);
2647
2648 dce_v11_0_show_cursor(crtc);
2649
2650 dce_v11_0_lock_cursor(crtc, false);
2651 }
2652}
2653
2654static void dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2655 u16 *blue, uint32_t start, uint32_t size)
2656{
2657 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2658 int end = (start + size > 256) ? 256 : start + size, i;
2659
2660 /* userspace palettes are always correct as is */
2661 for (i = start; i < end; i++) {
2662 amdgpu_crtc->lut_r[i] = red[i] >> 6;
2663 amdgpu_crtc->lut_g[i] = green[i] >> 6;
2664 amdgpu_crtc->lut_b[i] = blue[i] >> 6;
2665 }
2666 dce_v11_0_crtc_load_lut(crtc);
2667}
2668
2669static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2670{
2671 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2672
2673 drm_crtc_cleanup(crtc);
2674 kfree(amdgpu_crtc);
2675}
2676
2677static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2678 .cursor_set2 = dce_v11_0_crtc_cursor_set2,
2679 .cursor_move = dce_v11_0_crtc_cursor_move,
2680 .gamma_set = dce_v11_0_crtc_gamma_set,
2681 .set_config = amdgpu_crtc_set_config,
2682 .destroy = dce_v11_0_crtc_destroy,
2683 .page_flip = amdgpu_crtc_page_flip,
2684};
2685
2686static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2687{
2688 struct drm_device *dev = crtc->dev;
2689 struct amdgpu_device *adev = dev->dev_private;
2690 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2691 unsigned type;
2692
2693 switch (mode) {
2694 case DRM_MODE_DPMS_ON:
2695 amdgpu_crtc->enabled = true;
2696 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2697 dce_v11_0_vga_enable(crtc, true);
2698 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2699 dce_v11_0_vga_enable(crtc, false);
2700 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2701 type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
2702 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2703 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2704 drm_vblank_on(dev, amdgpu_crtc->crtc_id);
2705 dce_v11_0_crtc_load_lut(crtc);
2706 break;
2707 case DRM_MODE_DPMS_STANDBY:
2708 case DRM_MODE_DPMS_SUSPEND:
2709 case DRM_MODE_DPMS_OFF:
2710 drm_vblank_off(dev, amdgpu_crtc->crtc_id);
2711 if (amdgpu_crtc->enabled) {
2712 dce_v11_0_vga_enable(crtc, true);
2713 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2714 dce_v11_0_vga_enable(crtc, false);
2715 }
2716 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2717 amdgpu_crtc->enabled = false;
2718 break;
2719 }
2720 /* adjust pm to dpms */
2721 amdgpu_pm_compute_clocks(adev);
2722}
2723
2724static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2725{
2726 /* disable crtc pair power gating before programming */
2727 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2728 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2729 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2730}
2731
2732static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2733{
2734 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2735 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2736}
2737
2738static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2739{
2740 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2741 struct drm_device *dev = crtc->dev;
2742 struct amdgpu_device *adev = dev->dev_private;
2743 struct amdgpu_atom_ss ss;
2744 int i;
2745
2746 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2747 if (crtc->primary->fb) {
2748 int r;
2749 struct amdgpu_framebuffer *amdgpu_fb;
2750 struct amdgpu_bo *rbo;
2751
2752 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2753 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2754 r = amdgpu_bo_reserve(rbo, false);
2755 if (unlikely(r))
2756 DRM_ERROR("failed to reserve rbo before unpin\n");
2757 else {
2758 amdgpu_bo_unpin(rbo);
2759 amdgpu_bo_unreserve(rbo);
2760 }
2761 }
2762 /* disable the GRPH */
2763 dce_v11_0_grph_enable(crtc, false);
2764
2765 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2766
2767 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2768 if (adev->mode_info.crtcs[i] &&
2769 adev->mode_info.crtcs[i]->enabled &&
2770 i != amdgpu_crtc->crtc_id &&
2771 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2772 /* one other crtc is using this pll don't turn
2773 * off the pll
2774 */
2775 goto done;
2776 }
2777 }
2778
2779 switch (amdgpu_crtc->pll_id) {
2780 case ATOM_PPLL0:
2781 case ATOM_PPLL1:
2782 case ATOM_PPLL2:
2783 /* disable the ppll */
2784 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2785 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2786 break;
2787 default:
2788 break;
2789 }
2790done:
2791 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2792 amdgpu_crtc->adjusted_clock = 0;
2793 amdgpu_crtc->encoder = NULL;
2794 amdgpu_crtc->connector = NULL;
2795}
2796
2797static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2798 struct drm_display_mode *mode,
2799 struct drm_display_mode *adjusted_mode,
2800 int x, int y, struct drm_framebuffer *old_fb)
2801{
2802 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2803
2804 if (!amdgpu_crtc->adjusted_clock)
2805 return -EINVAL;
2806
2807 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2808 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2809 dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2810 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2811 amdgpu_atombios_crtc_scaler_setup(crtc);
2812 dce_v11_0_cursor_reset(crtc);
2813 /* update the hw version fpr dpm */
2814 amdgpu_crtc->hw_mode = *adjusted_mode;
2815
2816 return 0;
2817}
2818
2819static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2820 const struct drm_display_mode *mode,
2821 struct drm_display_mode *adjusted_mode)
2822{
2823 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2824 struct drm_device *dev = crtc->dev;
2825 struct drm_encoder *encoder;
2826
2827 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2828 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2829 if (encoder->crtc == crtc) {
2830 amdgpu_crtc->encoder = encoder;
2831 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2832 break;
2833 }
2834 }
2835 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2836 amdgpu_crtc->encoder = NULL;
2837 amdgpu_crtc->connector = NULL;
2838 return false;
2839 }
2840 if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2841 return false;
2842 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2843 return false;
2844 /* pick pll */
2845 amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2846 /* if we can't get a PPLL for a non-DP encoder, fail */
2847 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2848 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2849 return false;
2850
2851 return true;
2852}
2853
2854static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2855 struct drm_framebuffer *old_fb)
2856{
2857 return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2858}
2859
2860static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2861 struct drm_framebuffer *fb,
2862 int x, int y, enum mode_set_atomic state)
2863{
2864 return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2865}
2866
2867static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2868 .dpms = dce_v11_0_crtc_dpms,
2869 .mode_fixup = dce_v11_0_crtc_mode_fixup,
2870 .mode_set = dce_v11_0_crtc_mode_set,
2871 .mode_set_base = dce_v11_0_crtc_set_base,
2872 .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2873 .prepare = dce_v11_0_crtc_prepare,
2874 .commit = dce_v11_0_crtc_commit,
2875 .load_lut = dce_v11_0_crtc_load_lut,
2876 .disable = dce_v11_0_crtc_disable,
2877};
2878
2879static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2880{
2881 struct amdgpu_crtc *amdgpu_crtc;
2882 int i;
2883
2884 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2885 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2886 if (amdgpu_crtc == NULL)
2887 return -ENOMEM;
2888
2889 drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2890
2891 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2892 amdgpu_crtc->crtc_id = index;
2893 adev->mode_info.crtcs[index] = amdgpu_crtc;
2894
2895 amdgpu_crtc->max_cursor_width = 128;
2896 amdgpu_crtc->max_cursor_height = 128;
2897 adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2898 adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2899
2900 for (i = 0; i < 256; i++) {
2901 amdgpu_crtc->lut_r[i] = i << 2;
2902 amdgpu_crtc->lut_g[i] = i << 2;
2903 amdgpu_crtc->lut_b[i] = i << 2;
2904 }
2905
2906 switch (amdgpu_crtc->crtc_id) {
2907 case 0:
2908 default:
2909 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2910 break;
2911 case 1:
2912 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2913 break;
2914 case 2:
2915 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2916 break;
2917 case 3:
2918 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2919 break;
2920 case 4:
2921 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2922 break;
2923 case 5:
2924 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2925 break;
2926 }
2927
2928 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2929 amdgpu_crtc->adjusted_clock = 0;
2930 amdgpu_crtc->encoder = NULL;
2931 amdgpu_crtc->connector = NULL;
2932 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2933
2934 return 0;
2935}
2936
2937static int dce_v11_0_early_init(void *handle)
2938{
2939 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2940
2941 adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2942 adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2943
2944 dce_v11_0_set_display_funcs(adev);
2945 dce_v11_0_set_irq_funcs(adev);
2946
2947 switch (adev->asic_type) {
2948 case CHIP_CARRIZO:
2949 adev->mode_info.num_crtc = 3;
2950 adev->mode_info.num_hpd = 6;
2951 adev->mode_info.num_dig = 9;
2952 break;
2953 case CHIP_STONEY:
2954 adev->mode_info.num_crtc = 2;
2955 adev->mode_info.num_hpd = 6;
2956 adev->mode_info.num_dig = 9;
2957 break;
2958 default:
2959 /* FIXME: not supported yet */
2960 return -EINVAL;
2961 }
2962
2963 return 0;
2964}
2965
2966static int dce_v11_0_sw_init(void *handle)
2967{
2968 int r, i;
2969 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2970
2971 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2972 r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
2973 if (r)
2974 return r;
2975 }
2976
2977 for (i = 8; i < 20; i += 2) {
2978 r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
2979 if (r)
2980 return r;
2981 }
2982
2983 /* HPD hotplug */
2984 r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
2985 if (r)
2986 return r;
2987
2988 adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2989
2990 adev->ddev->mode_config.max_width = 16384;
2991 adev->ddev->mode_config.max_height = 16384;
2992
2993 adev->ddev->mode_config.preferred_depth = 24;
2994 adev->ddev->mode_config.prefer_shadow = 1;
2995
2996 adev->ddev->mode_config.fb_base = adev->mc.aper_base;
2997
2998 r = amdgpu_modeset_create_props(adev);
2999 if (r)
3000 return r;
3001
3002 adev->ddev->mode_config.max_width = 16384;
3003 adev->ddev->mode_config.max_height = 16384;
3004
3005
3006 /* allocate crtcs */
3007 for (i = 0; i < adev->mode_info.num_crtc; i++) {
3008 r = dce_v11_0_crtc_init(adev, i);
3009 if (r)
3010 return r;
3011 }
3012
3013 if (amdgpu_atombios_get_connector_info_from_object_table(adev))
3014 amdgpu_print_display_setup(adev->ddev);
3015 else
3016 return -EINVAL;
3017
3018 /* setup afmt */
3019 r = dce_v11_0_afmt_init(adev);
3020 if (r)
3021 return r;
3022
3023 r = dce_v11_0_audio_init(adev);
3024 if (r)
3025 return r;
3026
3027 drm_kms_helper_poll_init(adev->ddev);
3028
3029 adev->mode_info.mode_config_initialized = true;
3030 return 0;
3031}
3032
3033static int dce_v11_0_sw_fini(void *handle)
3034{
3035 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3036
3037 kfree(adev->mode_info.bios_hardcoded_edid);
3038
3039 drm_kms_helper_poll_fini(adev->ddev);
3040
3041 dce_v11_0_audio_fini(adev);
3042
3043 dce_v11_0_afmt_fini(adev);
3044
3045 adev->mode_info.mode_config_initialized = false;
3046
3047 return 0;
3048}
3049
3050static int dce_v11_0_hw_init(void *handle)
3051{
3052 int i;
3053 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3054
3055 dce_v11_0_init_golden_registers(adev);
3056
3057 /* init dig PHYs, disp eng pll */
3058 amdgpu_atombios_crtc_powergate_init(adev);
3059 amdgpu_atombios_encoder_init_dig(adev);
3060 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3061
3062 /* initialize hpd */
3063 dce_v11_0_hpd_init(adev);
3064
3065 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3066 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3067 }
3068
3069 dce_v11_0_pageflip_interrupt_init(adev);
3070
3071 return 0;
3072}
3073
3074static int dce_v11_0_hw_fini(void *handle)
3075{
3076 int i;
3077 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3078
3079 dce_v11_0_hpd_fini(adev);
3080
3081 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3082 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3083 }
3084
3085 dce_v11_0_pageflip_interrupt_fini(adev);
3086
3087 return 0;
3088}
3089
3090static int dce_v11_0_suspend(void *handle)
3091{
3092 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3093
3094 amdgpu_atombios_scratch_regs_save(adev);
3095
3096 return dce_v11_0_hw_fini(handle);
3097}
3098
3099static int dce_v11_0_resume(void *handle)
3100{
3101 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3102 int ret;
3103
3104 ret = dce_v11_0_hw_init(handle);
3105
3106 amdgpu_atombios_scratch_regs_restore(adev);
3107
3108 /* turn on the BL */
3109 if (adev->mode_info.bl_encoder) {
3110 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3111 adev->mode_info.bl_encoder);
3112 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3113 bl_level);
3114 }
3115
3116 return ret;
3117}
3118
3119static bool dce_v11_0_is_idle(void *handle)
3120{
3121 return true;
3122}
3123
3124static int dce_v11_0_wait_for_idle(void *handle)
3125{
3126 return 0;
3127}
3128
3129static void dce_v11_0_print_status(void *handle)
3130{
3131 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3132
3133 dev_info(adev->dev, "DCE 10.x registers\n");
3134 /* XXX todo */
3135}
3136
3137static int dce_v11_0_soft_reset(void *handle)
3138{
3139 u32 srbm_soft_reset = 0, tmp;
3140 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3141
3142 if (dce_v11_0_is_display_hung(adev))
3143 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3144
3145 if (srbm_soft_reset) {
3146 dce_v11_0_print_status((void *)adev);
3147
3148 tmp = RREG32(mmSRBM_SOFT_RESET);
3149 tmp |= srbm_soft_reset;
3150 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3151 WREG32(mmSRBM_SOFT_RESET, tmp);
3152 tmp = RREG32(mmSRBM_SOFT_RESET);
3153
3154 udelay(50);
3155
3156 tmp &= ~srbm_soft_reset;
3157 WREG32(mmSRBM_SOFT_RESET, tmp);
3158 tmp = RREG32(mmSRBM_SOFT_RESET);
3159
3160 /* Wait a little for things to settle down */
3161 udelay(50);
3162 dce_v11_0_print_status((void *)adev);
3163 }
3164 return 0;
3165}
3166
3167static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3168 int crtc,
3169 enum amdgpu_interrupt_state state)
3170{
3171 u32 lb_interrupt_mask;
3172
3173 if (crtc >= adev->mode_info.num_crtc) {
3174 DRM_DEBUG("invalid crtc %d\n", crtc);
3175 return;
3176 }
3177
3178 switch (state) {
3179 case AMDGPU_IRQ_STATE_DISABLE:
3180 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3181 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3182 VBLANK_INTERRUPT_MASK, 0);
3183 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3184 break;
3185 case AMDGPU_IRQ_STATE_ENABLE:
3186 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3187 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3188 VBLANK_INTERRUPT_MASK, 1);
3189 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3190 break;
3191 default:
3192 break;
3193 }
3194}
3195
3196static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3197 int crtc,
3198 enum amdgpu_interrupt_state state)
3199{
3200 u32 lb_interrupt_mask;
3201
3202 if (crtc >= adev->mode_info.num_crtc) {
3203 DRM_DEBUG("invalid crtc %d\n", crtc);
3204 return;
3205 }
3206
3207 switch (state) {
3208 case AMDGPU_IRQ_STATE_DISABLE:
3209 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3210 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3211 VLINE_INTERRUPT_MASK, 0);
3212 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3213 break;
3214 case AMDGPU_IRQ_STATE_ENABLE:
3215 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3216 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3217 VLINE_INTERRUPT_MASK, 1);
3218 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3219 break;
3220 default:
3221 break;
3222 }
3223}
3224
3225static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3226 struct amdgpu_irq_src *source,
3227 unsigned hpd,
3228 enum amdgpu_interrupt_state state)
3229{
3230 u32 tmp;
3231
3232 if (hpd >= adev->mode_info.num_hpd) {
3233 DRM_DEBUG("invalid hdp %d\n", hpd);
3234 return 0;
3235 }
3236
3237 switch (state) {
3238 case AMDGPU_IRQ_STATE_DISABLE:
3239 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3240 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3241 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3242 break;
3243 case AMDGPU_IRQ_STATE_ENABLE:
3244 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3245 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3246 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3247 break;
3248 default:
3249 break;
3250 }
3251
3252 return 0;
3253}
3254
3255static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3256 struct amdgpu_irq_src *source,
3257 unsigned type,
3258 enum amdgpu_interrupt_state state)
3259{
3260 switch (type) {
3261 case AMDGPU_CRTC_IRQ_VBLANK1:
3262 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3263 break;
3264 case AMDGPU_CRTC_IRQ_VBLANK2:
3265 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3266 break;
3267 case AMDGPU_CRTC_IRQ_VBLANK3:
3268 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3269 break;
3270 case AMDGPU_CRTC_IRQ_VBLANK4:
3271 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3272 break;
3273 case AMDGPU_CRTC_IRQ_VBLANK5:
3274 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3275 break;
3276 case AMDGPU_CRTC_IRQ_VBLANK6:
3277 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3278 break;
3279 case AMDGPU_CRTC_IRQ_VLINE1:
3280 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3281 break;
3282 case AMDGPU_CRTC_IRQ_VLINE2:
3283 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3284 break;
3285 case AMDGPU_CRTC_IRQ_VLINE3:
3286 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3287 break;
3288 case AMDGPU_CRTC_IRQ_VLINE4:
3289 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3290 break;
3291 case AMDGPU_CRTC_IRQ_VLINE5:
3292 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3293 break;
3294 case AMDGPU_CRTC_IRQ_VLINE6:
3295 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3296 break;
3297 default:
3298 break;
3299 }
3300 return 0;
3301}
3302
3303static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3304 struct amdgpu_irq_src *src,
3305 unsigned type,
3306 enum amdgpu_interrupt_state state)
3307{
3308 u32 reg;
3309
3310 if (type >= adev->mode_info.num_crtc) {
3311 DRM_ERROR("invalid pageflip crtc %d\n", type);
3312 return -EINVAL;
3313 }
3314
3315 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3316 if (state == AMDGPU_IRQ_STATE_DISABLE)
3317 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3318 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3319 else
3320 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3321 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3322
3323 return 0;
3324}
3325
3326static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3327 struct amdgpu_irq_src *source,
3328 struct amdgpu_iv_entry *entry)
3329{
3330 unsigned long flags;
3331 unsigned crtc_id;
3332 struct amdgpu_crtc *amdgpu_crtc;
3333 struct amdgpu_flip_work *works;
3334
3335 crtc_id = (entry->src_id - 8) >> 1;
3336 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3337
3338 if (crtc_id >= adev->mode_info.num_crtc) {
3339 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3340 return -EINVAL;
3341 }
3342
3343 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3344 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3345 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3346 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3347
3348 /* IRQ could occur when in initial stage */
3349 if(amdgpu_crtc == NULL)
3350 return 0;
3351
3352 spin_lock_irqsave(&adev->ddev->event_lock, flags);
3353 works = amdgpu_crtc->pflip_works;
3354 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3355 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3356 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3357 amdgpu_crtc->pflip_status,
3358 AMDGPU_FLIP_SUBMITTED);
3359 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3360 return 0;
3361 }
3362
3363 /* page flip completed. clean up */
3364 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3365 amdgpu_crtc->pflip_works = NULL;
3366
3367 /* wakeup usersapce */
3368 if(works->event)
3369 drm_send_vblank_event(adev->ddev, crtc_id, works->event);
3370
3371 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3372
3373 drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id);
3374 schedule_work(&works->unpin_work);
3375
3376 return 0;
3377}
3378
3379static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3380 int hpd)
3381{
3382 u32 tmp;
3383
3384 if (hpd >= adev->mode_info.num_hpd) {
3385 DRM_DEBUG("invalid hdp %d\n", hpd);
3386 return;
3387 }
3388
3389 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3390 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3391 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3392}
3393
3394static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3395 int crtc)
3396{
3397 u32 tmp;
3398
3399 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3400 DRM_DEBUG("invalid crtc %d\n", crtc);
3401 return;
3402 }
3403
3404 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3405 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3406 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3407}
3408
3409static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3410 int crtc)
3411{
3412 u32 tmp;
3413
3414 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3415 DRM_DEBUG("invalid crtc %d\n", crtc);
3416 return;
3417 }
3418
3419 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3420 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3421 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3422}
3423
3424static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3425 struct amdgpu_irq_src *source,
3426 struct amdgpu_iv_entry *entry)
3427{
3428 unsigned crtc = entry->src_id - 1;
3429 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3430 unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
3431
3432 switch (entry->src_data) {
3433 case 0: /* vblank */
3434 if (disp_int & interrupt_status_offsets[crtc].vblank)
3435 dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3436 else
3437 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3438
3439 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3440 drm_handle_vblank(adev->ddev, crtc);
3441 }
3442 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3443
3444 break;
3445 case 1: /* vline */
3446 if (disp_int & interrupt_status_offsets[crtc].vline)
3447 dce_v11_0_crtc_vline_int_ack(adev, crtc);
3448 else
3449 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3450
3451 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3452
3453 break;
3454 default:
3455 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3456 break;
3457 }
3458
3459 return 0;
3460}
3461
3462static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3463 struct amdgpu_irq_src *source,
3464 struct amdgpu_iv_entry *entry)
3465{
3466 uint32_t disp_int, mask;
3467 unsigned hpd;
3468
3469 if (entry->src_data >= adev->mode_info.num_hpd) {
3470 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3471 return 0;
3472 }
3473
3474 hpd = entry->src_data;
3475 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3476 mask = interrupt_status_offsets[hpd].hpd;
3477
3478 if (disp_int & mask) {
3479 dce_v11_0_hpd_int_ack(adev, hpd);
3480 schedule_work(&adev->hotplug_work);
3481 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3482 }
3483
3484 return 0;
3485}
3486
3487static int dce_v11_0_set_clockgating_state(void *handle,
3488 enum amd_clockgating_state state)
3489{
3490 return 0;
3491}
3492
3493static int dce_v11_0_set_powergating_state(void *handle,
3494 enum amd_powergating_state state)
3495{
3496 return 0;
3497}
3498
3499const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3500 .early_init = dce_v11_0_early_init,
3501 .late_init = NULL,
3502 .sw_init = dce_v11_0_sw_init,
3503 .sw_fini = dce_v11_0_sw_fini,
3504 .hw_init = dce_v11_0_hw_init,
3505 .hw_fini = dce_v11_0_hw_fini,
3506 .suspend = dce_v11_0_suspend,
3507 .resume = dce_v11_0_resume,
3508 .is_idle = dce_v11_0_is_idle,
3509 .wait_for_idle = dce_v11_0_wait_for_idle,
3510 .soft_reset = dce_v11_0_soft_reset,
3511 .print_status = dce_v11_0_print_status,
3512 .set_clockgating_state = dce_v11_0_set_clockgating_state,
3513 .set_powergating_state = dce_v11_0_set_powergating_state,
3514};
3515
3516static void
3517dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3518 struct drm_display_mode *mode,
3519 struct drm_display_mode *adjusted_mode)
3520{
3521 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3522
3523 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3524
3525 /* need to call this here rather than in prepare() since we need some crtc info */
3526 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3527
3528 /* set scaler clears this on some chips */
3529 dce_v11_0_set_interleave(encoder->crtc, mode);
3530
3531 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3532 dce_v11_0_afmt_enable(encoder, true);
3533 dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3534 }
3535}
3536
3537static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3538{
3539 struct amdgpu_device *adev = encoder->dev->dev_private;
3540 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3541 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3542
3543 if ((amdgpu_encoder->active_device &
3544 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3545 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3546 ENCODER_OBJECT_ID_NONE)) {
3547 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3548 if (dig) {
3549 dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3550 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3551 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3552 }
3553 }
3554
3555 amdgpu_atombios_scratch_regs_lock(adev, true);
3556
3557 if (connector) {
3558 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3559
3560 /* select the clock/data port if it uses a router */
3561 if (amdgpu_connector->router.cd_valid)
3562 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3563
3564 /* turn eDP panel on for mode set */
3565 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3566 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3567 ATOM_TRANSMITTER_ACTION_POWER_ON);
3568 }
3569
3570 /* this is needed for the pll/ss setup to work correctly in some cases */
3571 amdgpu_atombios_encoder_set_crtc_source(encoder);
3572 /* set up the FMT blocks */
3573 dce_v11_0_program_fmt(encoder);
3574}
3575
3576static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3577{
3578 struct drm_device *dev = encoder->dev;
3579 struct amdgpu_device *adev = dev->dev_private;
3580
3581 /* need to call this here as we need the crtc set up */
3582 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3583 amdgpu_atombios_scratch_regs_lock(adev, false);
3584}
3585
3586static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3587{
3588 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3589 struct amdgpu_encoder_atom_dig *dig;
3590
3591 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3592
3593 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3594 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3595 dce_v11_0_afmt_enable(encoder, false);
3596 dig = amdgpu_encoder->enc_priv;
3597 dig->dig_encoder = -1;
3598 }
3599 amdgpu_encoder->active_device = 0;
3600}
3601
3602/* these are handled by the primary encoders */
3603static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3604{
3605
3606}
3607
3608static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3609{
3610
3611}
3612
3613static void
3614dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3615 struct drm_display_mode *mode,
3616 struct drm_display_mode *adjusted_mode)
3617{
3618
3619}
3620
3621static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3622{
3623
3624}
3625
3626static void
3627dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3628{
3629
3630}
3631
3632static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3633 .dpms = dce_v11_0_ext_dpms,
3634 .prepare = dce_v11_0_ext_prepare,
3635 .mode_set = dce_v11_0_ext_mode_set,
3636 .commit = dce_v11_0_ext_commit,
3637 .disable = dce_v11_0_ext_disable,
3638 /* no detect for TMDS/LVDS yet */
3639};
3640
3641static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3642 .dpms = amdgpu_atombios_encoder_dpms,
3643 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3644 .prepare = dce_v11_0_encoder_prepare,
3645 .mode_set = dce_v11_0_encoder_mode_set,
3646 .commit = dce_v11_0_encoder_commit,
3647 .disable = dce_v11_0_encoder_disable,
3648 .detect = amdgpu_atombios_encoder_dig_detect,
3649};
3650
3651static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3652 .dpms = amdgpu_atombios_encoder_dpms,
3653 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3654 .prepare = dce_v11_0_encoder_prepare,
3655 .mode_set = dce_v11_0_encoder_mode_set,
3656 .commit = dce_v11_0_encoder_commit,
3657 .detect = amdgpu_atombios_encoder_dac_detect,
3658};
3659
3660static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3661{
3662 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3663 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3664 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3665 kfree(amdgpu_encoder->enc_priv);
3666 drm_encoder_cleanup(encoder);
3667 kfree(amdgpu_encoder);
3668}
3669
3670static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3671 .destroy = dce_v11_0_encoder_destroy,
3672};
3673
3674static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3675 uint32_t encoder_enum,
3676 uint32_t supported_device,
3677 u16 caps)
3678{
3679 struct drm_device *dev = adev->ddev;
3680 struct drm_encoder *encoder;
3681 struct amdgpu_encoder *amdgpu_encoder;
3682
3683 /* see if we already added it */
3684 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3685 amdgpu_encoder = to_amdgpu_encoder(encoder);
3686 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3687 amdgpu_encoder->devices |= supported_device;
3688 return;
3689 }
3690
3691 }
3692
3693 /* add a new one */
3694 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3695 if (!amdgpu_encoder)
3696 return;
3697
3698 encoder = &amdgpu_encoder->base;
3699 switch (adev->mode_info.num_crtc) {
3700 case 1:
3701 encoder->possible_crtcs = 0x1;
3702 break;
3703 case 2:
3704 default:
3705 encoder->possible_crtcs = 0x3;
3706 break;
3707 case 4:
3708 encoder->possible_crtcs = 0xf;
3709 break;
3710 case 6:
3711 encoder->possible_crtcs = 0x3f;
3712 break;
3713 }
3714
3715 amdgpu_encoder->enc_priv = NULL;
3716
3717 amdgpu_encoder->encoder_enum = encoder_enum;
3718 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3719 amdgpu_encoder->devices = supported_device;
3720 amdgpu_encoder->rmx_type = RMX_OFF;
3721 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3722 amdgpu_encoder->is_ext_encoder = false;
3723 amdgpu_encoder->caps = caps;
3724
3725 switch (amdgpu_encoder->encoder_id) {
3726 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3727 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3728 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3729 DRM_MODE_ENCODER_DAC, NULL);
3730 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3731 break;
3732 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3733 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3734 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3735 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3736 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3737 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3738 amdgpu_encoder->rmx_type = RMX_FULL;
3739 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3740 DRM_MODE_ENCODER_LVDS, NULL);
3741 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3742 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3743 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3744 DRM_MODE_ENCODER_DAC, NULL);
3745 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3746 } else {
3747 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3748 DRM_MODE_ENCODER_TMDS, NULL);
3749 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3750 }
3751 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3752 break;
3753 case ENCODER_OBJECT_ID_SI170B:
3754 case ENCODER_OBJECT_ID_CH7303:
3755 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3756 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3757 case ENCODER_OBJECT_ID_TITFP513:
3758 case ENCODER_OBJECT_ID_VT1623:
3759 case ENCODER_OBJECT_ID_HDMI_SI1930:
3760 case ENCODER_OBJECT_ID_TRAVIS:
3761 case ENCODER_OBJECT_ID_NUTMEG:
3762 /* these are handled by the primary encoders */
3763 amdgpu_encoder->is_ext_encoder = true;
3764 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3765 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3766 DRM_MODE_ENCODER_LVDS, NULL);
3767 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3768 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3769 DRM_MODE_ENCODER_DAC, NULL);
3770 else
3771 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3772 DRM_MODE_ENCODER_TMDS, NULL);
3773 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3774 break;
3775 }
3776}
3777
3778static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3779 .set_vga_render_state = &dce_v11_0_set_vga_render_state,
3780 .bandwidth_update = &dce_v11_0_bandwidth_update,
3781 .vblank_get_counter = &dce_v11_0_vblank_get_counter,
3782 .vblank_wait = &dce_v11_0_vblank_wait,
3783 .is_display_hung = &dce_v11_0_is_display_hung,
3784 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3785 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3786 .hpd_sense = &dce_v11_0_hpd_sense,
3787 .hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3788 .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3789 .page_flip = &dce_v11_0_page_flip,
3790 .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3791 .add_encoder = &dce_v11_0_encoder_add,
3792 .add_connector = &amdgpu_connector_add,
3793 .stop_mc_access = &dce_v11_0_stop_mc_access,
3794 .resume_mc_access = &dce_v11_0_resume_mc_access,
3795};
3796
3797static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3798{
3799 if (adev->mode_info.funcs == NULL)
3800 adev->mode_info.funcs = &dce_v11_0_display_funcs;
3801}
3802
3803static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3804 .set = dce_v11_0_set_crtc_irq_state,
3805 .process = dce_v11_0_crtc_irq,
3806};
3807
3808static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3809 .set = dce_v11_0_set_pageflip_irq_state,
3810 .process = dce_v11_0_pageflip_irq,
3811};
3812
3813static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3814 .set = dce_v11_0_set_hpd_irq_state,
3815 .process = dce_v11_0_hpd_irq,
3816};
3817
3818static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3819{
3820 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
3821 adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3822
3823 adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
3824 adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3825
3826 adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
3827 adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3828}