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