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1/*
2 * Copyright 2015 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 <linux/pci.h>
25
26#include <drm/drm_fourcc.h>
27#include <drm/drm_vblank.h>
28
29#include "amdgpu.h"
30#include "amdgpu_pm.h"
31#include "amdgpu_i2c.h"
32#include "atom.h"
33#include "amdgpu_atombios.h"
34#include "atombios_crtc.h"
35#include "atombios_encoders.h"
36#include "amdgpu_pll.h"
37#include "amdgpu_connectors.h"
38#include "amdgpu_display.h"
39
40#include "bif/bif_3_0_d.h"
41#include "bif/bif_3_0_sh_mask.h"
42#include "oss/oss_1_0_d.h"
43#include "oss/oss_1_0_sh_mask.h"
44#include "gca/gfx_6_0_d.h"
45#include "gca/gfx_6_0_sh_mask.h"
46#include "gmc/gmc_6_0_d.h"
47#include "gmc/gmc_6_0_sh_mask.h"
48#include "dce/dce_6_0_d.h"
49#include "dce/dce_6_0_sh_mask.h"
50#include "gca/gfx_7_2_enum.h"
51#include "dce_v6_0.h"
52#include "si_enums.h"
53
54static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
55static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
56
57static const u32 crtc_offsets[6] =
58{
59 SI_CRTC0_REGISTER_OFFSET,
60 SI_CRTC1_REGISTER_OFFSET,
61 SI_CRTC2_REGISTER_OFFSET,
62 SI_CRTC3_REGISTER_OFFSET,
63 SI_CRTC4_REGISTER_OFFSET,
64 SI_CRTC5_REGISTER_OFFSET
65};
66
67static const u32 hpd_offsets[] =
68{
69 mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
70 mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
71 mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
72 mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
73 mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
74 mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
75};
76
77static const uint32_t dig_offsets[] = {
78 SI_CRTC0_REGISTER_OFFSET,
79 SI_CRTC1_REGISTER_OFFSET,
80 SI_CRTC2_REGISTER_OFFSET,
81 SI_CRTC3_REGISTER_OFFSET,
82 SI_CRTC4_REGISTER_OFFSET,
83 SI_CRTC5_REGISTER_OFFSET,
84 (0x13830 - 0x7030) >> 2,
85};
86
87static const struct {
88 uint32_t reg;
89 uint32_t vblank;
90 uint32_t vline;
91 uint32_t hpd;
92
93} interrupt_status_offsets[6] = { {
94 .reg = mmDISP_INTERRUPT_STATUS,
95 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
96 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
97 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
98}, {
99 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
100 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
101 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
102 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
103}, {
104 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
105 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
106 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
107 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
108}, {
109 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
110 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
111 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
112 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
113}, {
114 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
115 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
116 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
117 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
118}, {
119 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
120 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
121 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
122 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
123} };
124
125static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
126 u32 block_offset, u32 reg)
127{
128 unsigned long flags;
129 u32 r;
130
131 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
132 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
133 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
134 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
135
136 return r;
137}
138
139static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
140 u32 block_offset, u32 reg, u32 v)
141{
142 unsigned long flags;
143
144 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
145 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
146 reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
147 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
148 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
149}
150
151static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
152{
153 if (crtc >= adev->mode_info.num_crtc)
154 return 0;
155 else
156 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
157}
158
159static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
160{
161 unsigned i;
162
163 /* Enable pflip interrupts */
164 for (i = 0; i < adev->mode_info.num_crtc; i++)
165 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
166}
167
168static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
169{
170 unsigned i;
171
172 /* Disable pflip interrupts */
173 for (i = 0; i < adev->mode_info.num_crtc; i++)
174 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
175}
176
177/**
178 * dce_v6_0_page_flip - pageflip callback.
179 *
180 * @adev: amdgpu_device pointer
181 * @crtc_id: crtc to cleanup pageflip on
182 * @crtc_base: new address of the crtc (GPU MC address)
183 *
184 * Does the actual pageflip (evergreen+).
185 * During vblank we take the crtc lock and wait for the update_pending
186 * bit to go high, when it does, we release the lock, and allow the
187 * double buffered update to take place.
188 * Returns the current update pending status.
189 */
190static void dce_v6_0_page_flip(struct amdgpu_device *adev,
191 int crtc_id, u64 crtc_base, bool async)
192{
193 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
194 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
195
196 /* flip at hsync for async, default is vsync */
197 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
198 GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
199 /* update pitch */
200 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
201 fb->pitches[0] / fb->format->cpp[0]);
202 /* update the scanout addresses */
203 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
204 upper_32_bits(crtc_base));
205 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
206 (u32)crtc_base);
207
208 /* post the write */
209 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
210}
211
212static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
213 u32 *vbl, u32 *position)
214{
215 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
216 return -EINVAL;
217 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
218 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
219
220 return 0;
221
222}
223
224/**
225 * dce_v6_0_hpd_sense - hpd sense callback.
226 *
227 * @adev: amdgpu_device pointer
228 * @hpd: hpd (hotplug detect) pin
229 *
230 * Checks if a digital monitor is connected (evergreen+).
231 * Returns true if connected, false if not connected.
232 */
233static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
234 enum amdgpu_hpd_id hpd)
235{
236 bool connected = false;
237
238 if (hpd >= adev->mode_info.num_hpd)
239 return connected;
240
241 if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
242 connected = true;
243
244 return connected;
245}
246
247/**
248 * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
249 *
250 * @adev: amdgpu_device pointer
251 * @hpd: hpd (hotplug detect) pin
252 *
253 * Set the polarity of the hpd pin (evergreen+).
254 */
255static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
256 enum amdgpu_hpd_id hpd)
257{
258 u32 tmp;
259 bool connected = dce_v6_0_hpd_sense(adev, hpd);
260
261 if (hpd >= adev->mode_info.num_hpd)
262 return;
263
264 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
265 if (connected)
266 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
267 else
268 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
269 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
270}
271
272/**
273 * dce_v6_0_hpd_init - hpd setup callback.
274 *
275 * @adev: amdgpu_device pointer
276 *
277 * Setup the hpd pins used by the card (evergreen+).
278 * Enable the pin, set the polarity, and enable the hpd interrupts.
279 */
280static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
281{
282 struct drm_device *dev = adev->ddev;
283 struct drm_connector *connector;
284 struct drm_connector_list_iter iter;
285 u32 tmp;
286
287 drm_connector_list_iter_begin(dev, &iter);
288 drm_for_each_connector_iter(connector, &iter) {
289 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
290
291 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
292 continue;
293
294 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
295 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
296 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
297
298 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
299 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
300 /* don't try to enable hpd on eDP or LVDS avoid breaking the
301 * aux dp channel on imac and help (but not completely fix)
302 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
303 * also avoid interrupt storms during dpms.
304 */
305 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
306 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
307 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
308 continue;
309 }
310
311 dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
312 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
313 }
314 drm_connector_list_iter_end(&iter);
315}
316
317/**
318 * dce_v6_0_hpd_fini - hpd tear down callback.
319 *
320 * @adev: amdgpu_device pointer
321 *
322 * Tear down the hpd pins used by the card (evergreen+).
323 * Disable the hpd interrupts.
324 */
325static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
326{
327 struct drm_device *dev = adev->ddev;
328 struct drm_connector *connector;
329 struct drm_connector_list_iter iter;
330 u32 tmp;
331
332 drm_connector_list_iter_begin(dev, &iter);
333 drm_for_each_connector_iter(connector, &iter) {
334 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
335
336 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
337 continue;
338
339 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
340 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
341 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], 0);
342
343 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
344 }
345 drm_connector_list_iter_end(&iter);
346}
347
348static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
349{
350 return mmDC_GPIO_HPD_A;
351}
352
353static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
354 bool render)
355{
356 if (!render)
357 WREG32(mmVGA_RENDER_CONTROL,
358 RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
359
360}
361
362static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
363{
364 switch (adev->asic_type) {
365 case CHIP_TAHITI:
366 case CHIP_PITCAIRN:
367 case CHIP_VERDE:
368 return 6;
369 case CHIP_OLAND:
370 return 2;
371 default:
372 return 0;
373 }
374}
375
376void dce_v6_0_disable_dce(struct amdgpu_device *adev)
377{
378 /*Disable VGA render and enabled crtc, if has DCE engine*/
379 if (amdgpu_atombios_has_dce_engine_info(adev)) {
380 u32 tmp;
381 int crtc_enabled, i;
382
383 dce_v6_0_set_vga_render_state(adev, false);
384
385 /*Disable crtc*/
386 for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
387 crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
388 CRTC_CONTROL__CRTC_MASTER_EN_MASK;
389 if (crtc_enabled) {
390 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
391 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
392 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
393 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
394 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
395 }
396 }
397 }
398}
399
400static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
401{
402
403 struct drm_device *dev = encoder->dev;
404 struct amdgpu_device *adev = dev->dev_private;
405 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
406 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
407 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
408 int bpc = 0;
409 u32 tmp = 0;
410 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
411
412 if (connector) {
413 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
414 bpc = amdgpu_connector_get_monitor_bpc(connector);
415 dither = amdgpu_connector->dither;
416 }
417
418 /* LVDS FMT is set up by atom */
419 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
420 return;
421
422 if (bpc == 0)
423 return;
424
425
426 switch (bpc) {
427 case 6:
428 if (dither == AMDGPU_FMT_DITHER_ENABLE)
429 /* XXX sort out optimal dither settings */
430 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
431 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
432 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
433 else
434 tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
435 break;
436 case 8:
437 if (dither == AMDGPU_FMT_DITHER_ENABLE)
438 /* XXX sort out optimal dither settings */
439 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
440 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
441 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
442 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
443 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
444 else
445 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
446 FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
447 break;
448 case 10:
449 default:
450 /* not needed */
451 break;
452 }
453
454 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
455}
456
457/**
458 * cik_get_number_of_dram_channels - get the number of dram channels
459 *
460 * @adev: amdgpu_device pointer
461 *
462 * Look up the number of video ram channels (CIK).
463 * Used for display watermark bandwidth calculations
464 * Returns the number of dram channels
465 */
466static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
467{
468 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
469
470 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
471 case 0:
472 default:
473 return 1;
474 case 1:
475 return 2;
476 case 2:
477 return 4;
478 case 3:
479 return 8;
480 case 4:
481 return 3;
482 case 5:
483 return 6;
484 case 6:
485 return 10;
486 case 7:
487 return 12;
488 case 8:
489 return 16;
490 }
491}
492
493struct dce6_wm_params {
494 u32 dram_channels; /* number of dram channels */
495 u32 yclk; /* bandwidth per dram data pin in kHz */
496 u32 sclk; /* engine clock in kHz */
497 u32 disp_clk; /* display clock in kHz */
498 u32 src_width; /* viewport width */
499 u32 active_time; /* active display time in ns */
500 u32 blank_time; /* blank time in ns */
501 bool interlaced; /* mode is interlaced */
502 fixed20_12 vsc; /* vertical scale ratio */
503 u32 num_heads; /* number of active crtcs */
504 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
505 u32 lb_size; /* line buffer allocated to pipe */
506 u32 vtaps; /* vertical scaler taps */
507};
508
509/**
510 * dce_v6_0_dram_bandwidth - get the dram bandwidth
511 *
512 * @wm: watermark calculation data
513 *
514 * Calculate the raw dram bandwidth (CIK).
515 * Used for display watermark bandwidth calculations
516 * Returns the dram bandwidth in MBytes/s
517 */
518static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
519{
520 /* Calculate raw DRAM Bandwidth */
521 fixed20_12 dram_efficiency; /* 0.7 */
522 fixed20_12 yclk, dram_channels, bandwidth;
523 fixed20_12 a;
524
525 a.full = dfixed_const(1000);
526 yclk.full = dfixed_const(wm->yclk);
527 yclk.full = dfixed_div(yclk, a);
528 dram_channels.full = dfixed_const(wm->dram_channels * 4);
529 a.full = dfixed_const(10);
530 dram_efficiency.full = dfixed_const(7);
531 dram_efficiency.full = dfixed_div(dram_efficiency, a);
532 bandwidth.full = dfixed_mul(dram_channels, yclk);
533 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
534
535 return dfixed_trunc(bandwidth);
536}
537
538/**
539 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
540 *
541 * @wm: watermark calculation data
542 *
543 * Calculate the dram bandwidth used for display (CIK).
544 * Used for display watermark bandwidth calculations
545 * Returns the dram bandwidth for display in MBytes/s
546 */
547static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
548{
549 /* Calculate DRAM Bandwidth and the part allocated to display. */
550 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
551 fixed20_12 yclk, dram_channels, bandwidth;
552 fixed20_12 a;
553
554 a.full = dfixed_const(1000);
555 yclk.full = dfixed_const(wm->yclk);
556 yclk.full = dfixed_div(yclk, a);
557 dram_channels.full = dfixed_const(wm->dram_channels * 4);
558 a.full = dfixed_const(10);
559 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
560 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
561 bandwidth.full = dfixed_mul(dram_channels, yclk);
562 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
563
564 return dfixed_trunc(bandwidth);
565}
566
567/**
568 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
569 *
570 * @wm: watermark calculation data
571 *
572 * Calculate the data return bandwidth used for display (CIK).
573 * Used for display watermark bandwidth calculations
574 * Returns the data return bandwidth in MBytes/s
575 */
576static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
577{
578 /* Calculate the display Data return Bandwidth */
579 fixed20_12 return_efficiency; /* 0.8 */
580 fixed20_12 sclk, bandwidth;
581 fixed20_12 a;
582
583 a.full = dfixed_const(1000);
584 sclk.full = dfixed_const(wm->sclk);
585 sclk.full = dfixed_div(sclk, a);
586 a.full = dfixed_const(10);
587 return_efficiency.full = dfixed_const(8);
588 return_efficiency.full = dfixed_div(return_efficiency, a);
589 a.full = dfixed_const(32);
590 bandwidth.full = dfixed_mul(a, sclk);
591 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
592
593 return dfixed_trunc(bandwidth);
594}
595
596/**
597 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
598 *
599 * @wm: watermark calculation data
600 *
601 * Calculate the dmif bandwidth used for display (CIK).
602 * Used for display watermark bandwidth calculations
603 * Returns the dmif bandwidth in MBytes/s
604 */
605static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
606{
607 /* Calculate the DMIF Request Bandwidth */
608 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
609 fixed20_12 disp_clk, bandwidth;
610 fixed20_12 a, b;
611
612 a.full = dfixed_const(1000);
613 disp_clk.full = dfixed_const(wm->disp_clk);
614 disp_clk.full = dfixed_div(disp_clk, a);
615 a.full = dfixed_const(32);
616 b.full = dfixed_mul(a, disp_clk);
617
618 a.full = dfixed_const(10);
619 disp_clk_request_efficiency.full = dfixed_const(8);
620 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
621
622 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
623
624 return dfixed_trunc(bandwidth);
625}
626
627/**
628 * dce_v6_0_available_bandwidth - get the min available bandwidth
629 *
630 * @wm: watermark calculation data
631 *
632 * Calculate the min available bandwidth used for display (CIK).
633 * Used for display watermark bandwidth calculations
634 * Returns the min available bandwidth in MBytes/s
635 */
636static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
637{
638 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
639 u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
640 u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
641 u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
642
643 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
644}
645
646/**
647 * dce_v6_0_average_bandwidth - get the average available bandwidth
648 *
649 * @wm: watermark calculation data
650 *
651 * Calculate the average available bandwidth used for display (CIK).
652 * Used for display watermark bandwidth calculations
653 * Returns the average available bandwidth in MBytes/s
654 */
655static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
656{
657 /* Calculate the display mode Average Bandwidth
658 * DisplayMode should contain the source and destination dimensions,
659 * timing, etc.
660 */
661 fixed20_12 bpp;
662 fixed20_12 line_time;
663 fixed20_12 src_width;
664 fixed20_12 bandwidth;
665 fixed20_12 a;
666
667 a.full = dfixed_const(1000);
668 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
669 line_time.full = dfixed_div(line_time, a);
670 bpp.full = dfixed_const(wm->bytes_per_pixel);
671 src_width.full = dfixed_const(wm->src_width);
672 bandwidth.full = dfixed_mul(src_width, bpp);
673 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
674 bandwidth.full = dfixed_div(bandwidth, line_time);
675
676 return dfixed_trunc(bandwidth);
677}
678
679/**
680 * dce_v6_0_latency_watermark - get the latency watermark
681 *
682 * @wm: watermark calculation data
683 *
684 * Calculate the latency watermark (CIK).
685 * Used for display watermark bandwidth calculations
686 * Returns the latency watermark in ns
687 */
688static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
689{
690 /* First calculate the latency in ns */
691 u32 mc_latency = 2000; /* 2000 ns. */
692 u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
693 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
694 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
695 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
696 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
697 (wm->num_heads * cursor_line_pair_return_time);
698 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
699 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
700 u32 tmp, dmif_size = 12288;
701 fixed20_12 a, b, c;
702
703 if (wm->num_heads == 0)
704 return 0;
705
706 a.full = dfixed_const(2);
707 b.full = dfixed_const(1);
708 if ((wm->vsc.full > a.full) ||
709 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
710 (wm->vtaps >= 5) ||
711 ((wm->vsc.full >= a.full) && wm->interlaced))
712 max_src_lines_per_dst_line = 4;
713 else
714 max_src_lines_per_dst_line = 2;
715
716 a.full = dfixed_const(available_bandwidth);
717 b.full = dfixed_const(wm->num_heads);
718 a.full = dfixed_div(a, b);
719 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
720 tmp = min(dfixed_trunc(a), tmp);
721
722 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
723
724 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
725 b.full = dfixed_const(1000);
726 c.full = dfixed_const(lb_fill_bw);
727 b.full = dfixed_div(c, b);
728 a.full = dfixed_div(a, b);
729 line_fill_time = dfixed_trunc(a);
730
731 if (line_fill_time < wm->active_time)
732 return latency;
733 else
734 return latency + (line_fill_time - wm->active_time);
735
736}
737
738/**
739 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
740 * average and available dram bandwidth
741 *
742 * @wm: watermark calculation data
743 *
744 * Check if the display average bandwidth fits in the display
745 * dram bandwidth (CIK).
746 * Used for display watermark bandwidth calculations
747 * Returns true if the display fits, false if not.
748 */
749static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
750{
751 if (dce_v6_0_average_bandwidth(wm) <=
752 (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
753 return true;
754 else
755 return false;
756}
757
758/**
759 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
760 * average and available bandwidth
761 *
762 * @wm: watermark calculation data
763 *
764 * Check if the display average bandwidth fits in the display
765 * available bandwidth (CIK).
766 * Used for display watermark bandwidth calculations
767 * Returns true if the display fits, false if not.
768 */
769static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
770{
771 if (dce_v6_0_average_bandwidth(wm) <=
772 (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
773 return true;
774 else
775 return false;
776}
777
778/**
779 * dce_v6_0_check_latency_hiding - check latency hiding
780 *
781 * @wm: watermark calculation data
782 *
783 * Check latency hiding (CIK).
784 * Used for display watermark bandwidth calculations
785 * Returns true if the display fits, false if not.
786 */
787static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
788{
789 u32 lb_partitions = wm->lb_size / wm->src_width;
790 u32 line_time = wm->active_time + wm->blank_time;
791 u32 latency_tolerant_lines;
792 u32 latency_hiding;
793 fixed20_12 a;
794
795 a.full = dfixed_const(1);
796 if (wm->vsc.full > a.full)
797 latency_tolerant_lines = 1;
798 else {
799 if (lb_partitions <= (wm->vtaps + 1))
800 latency_tolerant_lines = 1;
801 else
802 latency_tolerant_lines = 2;
803 }
804
805 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
806
807 if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
808 return true;
809 else
810 return false;
811}
812
813/**
814 * dce_v6_0_program_watermarks - program display watermarks
815 *
816 * @adev: amdgpu_device pointer
817 * @amdgpu_crtc: the selected display controller
818 * @lb_size: line buffer size
819 * @num_heads: number of display controllers in use
820 *
821 * Calculate and program the display watermarks for the
822 * selected display controller (CIK).
823 */
824static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
825 struct amdgpu_crtc *amdgpu_crtc,
826 u32 lb_size, u32 num_heads)
827{
828 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
829 struct dce6_wm_params wm_low, wm_high;
830 u32 dram_channels;
831 u32 active_time;
832 u32 line_time = 0;
833 u32 latency_watermark_a = 0, latency_watermark_b = 0;
834 u32 priority_a_mark = 0, priority_b_mark = 0;
835 u32 priority_a_cnt = PRIORITY_OFF;
836 u32 priority_b_cnt = PRIORITY_OFF;
837 u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
838 fixed20_12 a, b, c;
839
840 if (amdgpu_crtc->base.enabled && num_heads && mode) {
841 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
842 (u32)mode->clock);
843 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
844 (u32)mode->clock);
845 line_time = min(line_time, (u32)65535);
846 priority_a_cnt = 0;
847 priority_b_cnt = 0;
848
849 dram_channels = si_get_number_of_dram_channels(adev);
850
851 /* watermark for high clocks */
852 if (adev->pm.dpm_enabled) {
853 wm_high.yclk =
854 amdgpu_dpm_get_mclk(adev, false) * 10;
855 wm_high.sclk =
856 amdgpu_dpm_get_sclk(adev, false) * 10;
857 } else {
858 wm_high.yclk = adev->pm.current_mclk * 10;
859 wm_high.sclk = adev->pm.current_sclk * 10;
860 }
861
862 wm_high.disp_clk = mode->clock;
863 wm_high.src_width = mode->crtc_hdisplay;
864 wm_high.active_time = active_time;
865 wm_high.blank_time = line_time - wm_high.active_time;
866 wm_high.interlaced = false;
867 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
868 wm_high.interlaced = true;
869 wm_high.vsc = amdgpu_crtc->vsc;
870 wm_high.vtaps = 1;
871 if (amdgpu_crtc->rmx_type != RMX_OFF)
872 wm_high.vtaps = 2;
873 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
874 wm_high.lb_size = lb_size;
875 wm_high.dram_channels = dram_channels;
876 wm_high.num_heads = num_heads;
877
878 if (adev->pm.dpm_enabled) {
879 /* watermark for low clocks */
880 wm_low.yclk =
881 amdgpu_dpm_get_mclk(adev, true) * 10;
882 wm_low.sclk =
883 amdgpu_dpm_get_sclk(adev, true) * 10;
884 } else {
885 wm_low.yclk = adev->pm.current_mclk * 10;
886 wm_low.sclk = adev->pm.current_sclk * 10;
887 }
888
889 wm_low.disp_clk = mode->clock;
890 wm_low.src_width = mode->crtc_hdisplay;
891 wm_low.active_time = active_time;
892 wm_low.blank_time = line_time - wm_low.active_time;
893 wm_low.interlaced = false;
894 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
895 wm_low.interlaced = true;
896 wm_low.vsc = amdgpu_crtc->vsc;
897 wm_low.vtaps = 1;
898 if (amdgpu_crtc->rmx_type != RMX_OFF)
899 wm_low.vtaps = 2;
900 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
901 wm_low.lb_size = lb_size;
902 wm_low.dram_channels = dram_channels;
903 wm_low.num_heads = num_heads;
904
905 /* set for high clocks */
906 latency_watermark_a = min(dce_v6_0_latency_watermark(&wm_high), (u32)65535);
907 /* set for low clocks */
908 latency_watermark_b = min(dce_v6_0_latency_watermark(&wm_low), (u32)65535);
909
910 /* possibly force display priority to high */
911 /* should really do this at mode validation time... */
912 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
913 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
914 !dce_v6_0_check_latency_hiding(&wm_high) ||
915 (adev->mode_info.disp_priority == 2)) {
916 DRM_DEBUG_KMS("force priority to high\n");
917 priority_a_cnt |= PRIORITY_ALWAYS_ON;
918 priority_b_cnt |= PRIORITY_ALWAYS_ON;
919 }
920 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
921 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
922 !dce_v6_0_check_latency_hiding(&wm_low) ||
923 (adev->mode_info.disp_priority == 2)) {
924 DRM_DEBUG_KMS("force priority to high\n");
925 priority_a_cnt |= PRIORITY_ALWAYS_ON;
926 priority_b_cnt |= PRIORITY_ALWAYS_ON;
927 }
928
929 a.full = dfixed_const(1000);
930 b.full = dfixed_const(mode->clock);
931 b.full = dfixed_div(b, a);
932 c.full = dfixed_const(latency_watermark_a);
933 c.full = dfixed_mul(c, b);
934 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
935 c.full = dfixed_div(c, a);
936 a.full = dfixed_const(16);
937 c.full = dfixed_div(c, a);
938 priority_a_mark = dfixed_trunc(c);
939 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
940
941 a.full = dfixed_const(1000);
942 b.full = dfixed_const(mode->clock);
943 b.full = dfixed_div(b, a);
944 c.full = dfixed_const(latency_watermark_b);
945 c.full = dfixed_mul(c, b);
946 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
947 c.full = dfixed_div(c, a);
948 a.full = dfixed_const(16);
949 c.full = dfixed_div(c, a);
950 priority_b_mark = dfixed_trunc(c);
951 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
952
953 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
954 }
955
956 /* select wm A */
957 arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
958 tmp = arb_control3;
959 tmp &= ~LATENCY_WATERMARK_MASK(3);
960 tmp |= LATENCY_WATERMARK_MASK(1);
961 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
962 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
963 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
964 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
965 /* select wm B */
966 tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
967 tmp &= ~LATENCY_WATERMARK_MASK(3);
968 tmp |= LATENCY_WATERMARK_MASK(2);
969 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
970 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
971 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
972 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
973 /* restore original selection */
974 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
975
976 /* write the priority marks */
977 WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
978 WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
979
980 /* save values for DPM */
981 amdgpu_crtc->line_time = line_time;
982 amdgpu_crtc->wm_high = latency_watermark_a;
983
984 /* Save number of lines the linebuffer leads before the scanout */
985 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
986}
987
988/* watermark setup */
989static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
990 struct amdgpu_crtc *amdgpu_crtc,
991 struct drm_display_mode *mode,
992 struct drm_display_mode *other_mode)
993{
994 u32 tmp, buffer_alloc, i;
995 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
996 /*
997 * Line Buffer Setup
998 * There are 3 line buffers, each one shared by 2 display controllers.
999 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1000 * the display controllers. The paritioning is done via one of four
1001 * preset allocations specified in bits 21:20:
1002 * 0 - half lb
1003 * 2 - whole lb, other crtc must be disabled
1004 */
1005 /* this can get tricky if we have two large displays on a paired group
1006 * of crtcs. Ideally for multiple large displays we'd assign them to
1007 * non-linked crtcs for maximum line buffer allocation.
1008 */
1009 if (amdgpu_crtc->base.enabled && mode) {
1010 if (other_mode) {
1011 tmp = 0; /* 1/2 */
1012 buffer_alloc = 1;
1013 } else {
1014 tmp = 2; /* whole */
1015 buffer_alloc = 2;
1016 }
1017 } else {
1018 tmp = 0;
1019 buffer_alloc = 0;
1020 }
1021
1022 WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1023 DC_LB_MEMORY_CONFIG(tmp));
1024
1025 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1026 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1027 for (i = 0; i < adev->usec_timeout; i++) {
1028 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1029 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1030 break;
1031 udelay(1);
1032 }
1033
1034 if (amdgpu_crtc->base.enabled && mode) {
1035 switch (tmp) {
1036 case 0:
1037 default:
1038 return 4096 * 2;
1039 case 2:
1040 return 8192 * 2;
1041 }
1042 }
1043
1044 /* controller not enabled, so no lb used */
1045 return 0;
1046}
1047
1048
1049/**
1050 *
1051 * dce_v6_0_bandwidth_update - program display watermarks
1052 *
1053 * @adev: amdgpu_device pointer
1054 *
1055 * Calculate and program the display watermarks and line
1056 * buffer allocation (CIK).
1057 */
1058static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1059{
1060 struct drm_display_mode *mode0 = NULL;
1061 struct drm_display_mode *mode1 = NULL;
1062 u32 num_heads = 0, lb_size;
1063 int i;
1064
1065 if (!adev->mode_info.mode_config_initialized)
1066 return;
1067
1068 amdgpu_display_update_priority(adev);
1069
1070 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1071 if (adev->mode_info.crtcs[i]->base.enabled)
1072 num_heads++;
1073 }
1074 for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1075 mode0 = &adev->mode_info.crtcs[i]->base.mode;
1076 mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1077 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1078 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1079 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1080 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1081 }
1082}
1083
1084static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1085{
1086 int i;
1087 u32 tmp;
1088
1089 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1090 tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1091 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1092 if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1093 PORT_CONNECTIVITY))
1094 adev->mode_info.audio.pin[i].connected = false;
1095 else
1096 adev->mode_info.audio.pin[i].connected = true;
1097 }
1098
1099}
1100
1101static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1102{
1103 int i;
1104
1105 dce_v6_0_audio_get_connected_pins(adev);
1106
1107 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1108 if (adev->mode_info.audio.pin[i].connected)
1109 return &adev->mode_info.audio.pin[i];
1110 }
1111 DRM_ERROR("No connected audio pins found!\n");
1112 return NULL;
1113}
1114
1115static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1116{
1117 struct amdgpu_device *adev = encoder->dev->dev_private;
1118 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1119 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1120
1121 if (!dig || !dig->afmt || !dig->afmt->pin)
1122 return;
1123
1124 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1125 REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1126 dig->afmt->pin->id));
1127}
1128
1129static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1130 struct drm_display_mode *mode)
1131{
1132 struct drm_device *dev = encoder->dev;
1133 struct amdgpu_device *adev = dev->dev_private;
1134 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1135 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1136 struct drm_connector *connector;
1137 struct drm_connector_list_iter iter;
1138 struct amdgpu_connector *amdgpu_connector = NULL;
1139 int interlace = 0;
1140 u32 tmp;
1141
1142 drm_connector_list_iter_begin(dev, &iter);
1143 drm_for_each_connector_iter(connector, &iter) {
1144 if (connector->encoder == encoder) {
1145 amdgpu_connector = to_amdgpu_connector(connector);
1146 break;
1147 }
1148 }
1149 drm_connector_list_iter_end(&iter);
1150
1151 if (!amdgpu_connector) {
1152 DRM_ERROR("Couldn't find encoder's connector\n");
1153 return;
1154 }
1155
1156 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1157 interlace = 1;
1158
1159 if (connector->latency_present[interlace]) {
1160 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1161 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1162 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1163 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1164 } else {
1165 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1166 VIDEO_LIPSYNC, 0);
1167 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1168 AUDIO_LIPSYNC, 0);
1169 }
1170 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1171 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1172}
1173
1174static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1175{
1176 struct drm_device *dev = encoder->dev;
1177 struct amdgpu_device *adev = dev->dev_private;
1178 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1179 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1180 struct drm_connector *connector;
1181 struct drm_connector_list_iter iter;
1182 struct amdgpu_connector *amdgpu_connector = NULL;
1183 u8 *sadb = NULL;
1184 int sad_count;
1185 u32 tmp;
1186
1187 drm_connector_list_iter_begin(dev, &iter);
1188 drm_for_each_connector_iter(connector, &iter) {
1189 if (connector->encoder == encoder) {
1190 amdgpu_connector = to_amdgpu_connector(connector);
1191 break;
1192 }
1193 }
1194 drm_connector_list_iter_end(&iter);
1195
1196 if (!amdgpu_connector) {
1197 DRM_ERROR("Couldn't find encoder's connector\n");
1198 return;
1199 }
1200
1201 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1202 if (sad_count < 0) {
1203 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1204 sad_count = 0;
1205 }
1206
1207 /* program the speaker allocation */
1208 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1209 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1210 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1211 HDMI_CONNECTION, 0);
1212 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1213 DP_CONNECTION, 0);
1214
1215 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1216 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1217 DP_CONNECTION, 1);
1218 else
1219 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1220 HDMI_CONNECTION, 1);
1221
1222 if (sad_count)
1223 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1224 SPEAKER_ALLOCATION, sadb[0]);
1225 else
1226 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1227 SPEAKER_ALLOCATION, 5); /* stereo */
1228
1229 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1230 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1231
1232 kfree(sadb);
1233}
1234
1235static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1236{
1237 struct drm_device *dev = encoder->dev;
1238 struct amdgpu_device *adev = dev->dev_private;
1239 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1240 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1241 struct drm_connector *connector;
1242 struct drm_connector_list_iter iter;
1243 struct amdgpu_connector *amdgpu_connector = NULL;
1244 struct cea_sad *sads;
1245 int i, sad_count;
1246
1247 static const u16 eld_reg_to_type[][2] = {
1248 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1249 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1250 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1251 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1252 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1253 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1254 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1255 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1256 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1257 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1258 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1259 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1260 };
1261
1262 drm_connector_list_iter_begin(dev, &iter);
1263 drm_for_each_connector_iter(connector, &iter) {
1264 if (connector->encoder == encoder) {
1265 amdgpu_connector = to_amdgpu_connector(connector);
1266 break;
1267 }
1268 }
1269 drm_connector_list_iter_end(&iter);
1270
1271 if (!amdgpu_connector) {
1272 DRM_ERROR("Couldn't find encoder's connector\n");
1273 return;
1274 }
1275
1276 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1277 if (sad_count < 0)
1278 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1279 if (sad_count <= 0)
1280 return;
1281
1282 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1283 u32 tmp = 0;
1284 u8 stereo_freqs = 0;
1285 int max_channels = -1;
1286 int j;
1287
1288 for (j = 0; j < sad_count; j++) {
1289 struct cea_sad *sad = &sads[j];
1290
1291 if (sad->format == eld_reg_to_type[i][1]) {
1292 if (sad->channels > max_channels) {
1293 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1294 MAX_CHANNELS, sad->channels);
1295 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1296 DESCRIPTOR_BYTE_2, sad->byte2);
1297 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1298 SUPPORTED_FREQUENCIES, sad->freq);
1299 max_channels = sad->channels;
1300 }
1301
1302 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1303 stereo_freqs |= sad->freq;
1304 else
1305 break;
1306 }
1307 }
1308
1309 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1310 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1311 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1312 }
1313
1314 kfree(sads);
1315
1316}
1317
1318static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1319 struct amdgpu_audio_pin *pin,
1320 bool enable)
1321{
1322 if (!pin)
1323 return;
1324
1325 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1326 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1327}
1328
1329static const u32 pin_offsets[7] =
1330{
1331 (0x1780 - 0x1780),
1332 (0x1786 - 0x1780),
1333 (0x178c - 0x1780),
1334 (0x1792 - 0x1780),
1335 (0x1798 - 0x1780),
1336 (0x179d - 0x1780),
1337 (0x17a4 - 0x1780),
1338};
1339
1340static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1341{
1342 int i;
1343
1344 if (!amdgpu_audio)
1345 return 0;
1346
1347 adev->mode_info.audio.enabled = true;
1348
1349 switch (adev->asic_type) {
1350 case CHIP_TAHITI:
1351 case CHIP_PITCAIRN:
1352 case CHIP_VERDE:
1353 default:
1354 adev->mode_info.audio.num_pins = 6;
1355 break;
1356 case CHIP_OLAND:
1357 adev->mode_info.audio.num_pins = 2;
1358 break;
1359 }
1360
1361 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1362 adev->mode_info.audio.pin[i].channels = -1;
1363 adev->mode_info.audio.pin[i].rate = -1;
1364 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1365 adev->mode_info.audio.pin[i].status_bits = 0;
1366 adev->mode_info.audio.pin[i].category_code = 0;
1367 adev->mode_info.audio.pin[i].connected = false;
1368 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1369 adev->mode_info.audio.pin[i].id = i;
1370 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1371 }
1372
1373 return 0;
1374}
1375
1376static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1377{
1378 int i;
1379
1380 if (!amdgpu_audio)
1381 return;
1382
1383 if (!adev->mode_info.audio.enabled)
1384 return;
1385
1386 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1387 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1388
1389 adev->mode_info.audio.enabled = false;
1390}
1391
1392static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1393{
1394 struct drm_device *dev = encoder->dev;
1395 struct amdgpu_device *adev = dev->dev_private;
1396 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1397 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1398 u32 tmp;
1399
1400 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1401 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1402 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1403 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1404 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1405}
1406
1407static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1408 uint32_t clock, int bpc)
1409{
1410 struct drm_device *dev = encoder->dev;
1411 struct amdgpu_device *adev = dev->dev_private;
1412 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1413 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1414 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1415 u32 tmp;
1416
1417 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1418 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1419 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1420 bpc > 8 ? 0 : 1);
1421 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1422
1423 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1424 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1425 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1426 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1427 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1428 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1429
1430 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1431 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1432 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1433 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1434 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1435 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1436
1437 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1438 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1439 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1440 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1441 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1442 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1443}
1444
1445static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1446 struct drm_display_mode *mode)
1447{
1448 struct drm_device *dev = encoder->dev;
1449 struct amdgpu_device *adev = dev->dev_private;
1450 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1451 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1452 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1453 struct hdmi_avi_infoframe frame;
1454 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1455 uint8_t *payload = buffer + 3;
1456 uint8_t *header = buffer;
1457 ssize_t err;
1458 u32 tmp;
1459
1460 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1461 if (err < 0) {
1462 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1463 return;
1464 }
1465
1466 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1467 if (err < 0) {
1468 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1469 return;
1470 }
1471
1472 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1473 payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1474 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1475 payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1476 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1477 payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1478 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1479 payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1480
1481 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1482 /* anything other than 0 */
1483 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1484 HDMI_AUDIO_INFO_LINE, 2);
1485 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1486}
1487
1488static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1489{
1490 struct drm_device *dev = encoder->dev;
1491 struct amdgpu_device *adev = dev->dev_private;
1492 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1493 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1494 u32 tmp;
1495
1496 /*
1497 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1498 * Express [24MHz / target pixel clock] as an exact rational
1499 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1500 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1501 */
1502 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1503 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1504 DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1505 if (em == ATOM_ENCODER_MODE_HDMI) {
1506 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1507 DCCG_AUDIO_DTO_SEL, 0);
1508 } else if (ENCODER_MODE_IS_DP(em)) {
1509 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1510 DCCG_AUDIO_DTO_SEL, 1);
1511 }
1512 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1513 if (em == ATOM_ENCODER_MODE_HDMI) {
1514 WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1515 WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1516 } else if (ENCODER_MODE_IS_DP(em)) {
1517 WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1518 WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1519 }
1520}
1521
1522static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1523{
1524 struct drm_device *dev = encoder->dev;
1525 struct amdgpu_device *adev = dev->dev_private;
1526 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1527 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1528 u32 tmp;
1529
1530 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1531 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1532 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1533
1534 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1535 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1536 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1537
1538 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1539 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1540 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1541
1542 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1543 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1544 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1545 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1546 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1547 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1548 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1549 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1550
1551 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1552 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1553 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1554
1555 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1556 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1557 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1558 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1559
1560 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1561 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1562 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1563 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1564}
1565
1566static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1567{
1568 struct drm_device *dev = encoder->dev;
1569 struct amdgpu_device *adev = dev->dev_private;
1570 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1571 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1572 u32 tmp;
1573
1574 tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1575 tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1576 WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1577}
1578
1579static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1580{
1581 struct drm_device *dev = encoder->dev;
1582 struct amdgpu_device *adev = dev->dev_private;
1583 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1584 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1585 u32 tmp;
1586
1587 if (enable) {
1588 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1589 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1590 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1591 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1592 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1593 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1594
1595 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1596 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1597 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1598
1599 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1600 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1601 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1602 } else {
1603 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1604 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1605 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1606 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1607 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1608 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1609
1610 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1611 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1612 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1613 }
1614}
1615
1616static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1617{
1618 struct drm_device *dev = encoder->dev;
1619 struct amdgpu_device *adev = dev->dev_private;
1620 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1621 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1622 u32 tmp;
1623
1624 if (enable) {
1625 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1626 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1627 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1628
1629 tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1630 tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1631 WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1632
1633 tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1634 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1635 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1636 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1637 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1638 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1639 } else {
1640 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1641 }
1642}
1643
1644static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1645 struct drm_display_mode *mode)
1646{
1647 struct drm_device *dev = encoder->dev;
1648 struct amdgpu_device *adev = dev->dev_private;
1649 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1650 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1651 struct drm_connector *connector;
1652 struct drm_connector_list_iter iter;
1653 struct amdgpu_connector *amdgpu_connector = NULL;
1654 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1655 int bpc = 8;
1656
1657 if (!dig || !dig->afmt)
1658 return;
1659
1660 drm_connector_list_iter_begin(dev, &iter);
1661 drm_for_each_connector_iter(connector, &iter) {
1662 if (connector->encoder == encoder) {
1663 amdgpu_connector = to_amdgpu_connector(connector);
1664 break;
1665 }
1666 }
1667 drm_connector_list_iter_end(&iter);
1668
1669 if (!amdgpu_connector) {
1670 DRM_ERROR("Couldn't find encoder's connector\n");
1671 return;
1672 }
1673
1674 if (!dig->afmt->enabled)
1675 return;
1676
1677 dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1678 if (!dig->afmt->pin)
1679 return;
1680
1681 if (encoder->crtc) {
1682 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1683 bpc = amdgpu_crtc->bpc;
1684 }
1685
1686 /* disable audio before setting up hw */
1687 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1688
1689 dce_v6_0_audio_set_mute(encoder, true);
1690 dce_v6_0_audio_write_speaker_allocation(encoder);
1691 dce_v6_0_audio_write_sad_regs(encoder);
1692 dce_v6_0_audio_write_latency_fields(encoder, mode);
1693 if (em == ATOM_ENCODER_MODE_HDMI) {
1694 dce_v6_0_audio_set_dto(encoder, mode->clock);
1695 dce_v6_0_audio_set_vbi_packet(encoder);
1696 dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1697 } else if (ENCODER_MODE_IS_DP(em)) {
1698 dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1699 }
1700 dce_v6_0_audio_set_packet(encoder);
1701 dce_v6_0_audio_select_pin(encoder);
1702 dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1703 dce_v6_0_audio_set_mute(encoder, false);
1704 if (em == ATOM_ENCODER_MODE_HDMI) {
1705 dce_v6_0_audio_hdmi_enable(encoder, 1);
1706 } else if (ENCODER_MODE_IS_DP(em)) {
1707 dce_v6_0_audio_dp_enable(encoder, 1);
1708 }
1709
1710 /* enable audio after setting up hw */
1711 dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1712}
1713
1714static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1715{
1716 struct drm_device *dev = encoder->dev;
1717 struct amdgpu_device *adev = dev->dev_private;
1718 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1719 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1720
1721 if (!dig || !dig->afmt)
1722 return;
1723
1724 /* Silent, r600_hdmi_enable will raise WARN for us */
1725 if (enable && dig->afmt->enabled)
1726 return;
1727
1728 if (!enable && !dig->afmt->enabled)
1729 return;
1730
1731 if (!enable && dig->afmt->pin) {
1732 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1733 dig->afmt->pin = NULL;
1734 }
1735
1736 dig->afmt->enabled = enable;
1737
1738 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1739 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1740}
1741
1742static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1743{
1744 int i, j;
1745
1746 for (i = 0; i < adev->mode_info.num_dig; i++)
1747 adev->mode_info.afmt[i] = NULL;
1748
1749 /* DCE6 has audio blocks tied to DIG encoders */
1750 for (i = 0; i < adev->mode_info.num_dig; i++) {
1751 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1752 if (adev->mode_info.afmt[i]) {
1753 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1754 adev->mode_info.afmt[i]->id = i;
1755 } else {
1756 for (j = 0; j < i; j++) {
1757 kfree(adev->mode_info.afmt[j]);
1758 adev->mode_info.afmt[j] = NULL;
1759 }
1760 DRM_ERROR("Out of memory allocating afmt table\n");
1761 return -ENOMEM;
1762 }
1763 }
1764 return 0;
1765}
1766
1767static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1768{
1769 int i;
1770
1771 for (i = 0; i < adev->mode_info.num_dig; i++) {
1772 kfree(adev->mode_info.afmt[i]);
1773 adev->mode_info.afmt[i] = NULL;
1774 }
1775}
1776
1777static const u32 vga_control_regs[6] =
1778{
1779 mmD1VGA_CONTROL,
1780 mmD2VGA_CONTROL,
1781 mmD3VGA_CONTROL,
1782 mmD4VGA_CONTROL,
1783 mmD5VGA_CONTROL,
1784 mmD6VGA_CONTROL,
1785};
1786
1787static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1788{
1789 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1790 struct drm_device *dev = crtc->dev;
1791 struct amdgpu_device *adev = dev->dev_private;
1792 u32 vga_control;
1793
1794 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1795 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1796}
1797
1798static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1799{
1800 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1801 struct drm_device *dev = crtc->dev;
1802 struct amdgpu_device *adev = dev->dev_private;
1803
1804 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1805}
1806
1807static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1808 struct drm_framebuffer *fb,
1809 int x, int y, int atomic)
1810{
1811 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1812 struct drm_device *dev = crtc->dev;
1813 struct amdgpu_device *adev = dev->dev_private;
1814 struct drm_framebuffer *target_fb;
1815 struct drm_gem_object *obj;
1816 struct amdgpu_bo *abo;
1817 uint64_t fb_location, tiling_flags;
1818 uint32_t fb_format, fb_pitch_pixels, pipe_config;
1819 u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1820 u32 viewport_w, viewport_h;
1821 int r;
1822 bool bypass_lut = false;
1823 struct drm_format_name_buf format_name;
1824
1825 /* no fb bound */
1826 if (!atomic && !crtc->primary->fb) {
1827 DRM_DEBUG_KMS("No FB bound\n");
1828 return 0;
1829 }
1830
1831 if (atomic)
1832 target_fb = fb;
1833 else
1834 target_fb = crtc->primary->fb;
1835
1836 /* If atomic, assume fb object is pinned & idle & fenced and
1837 * just update base pointers
1838 */
1839 obj = target_fb->obj[0];
1840 abo = gem_to_amdgpu_bo(obj);
1841 r = amdgpu_bo_reserve(abo, false);
1842 if (unlikely(r != 0))
1843 return r;
1844
1845 if (!atomic) {
1846 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1847 if (unlikely(r != 0)) {
1848 amdgpu_bo_unreserve(abo);
1849 return -EINVAL;
1850 }
1851 }
1852 fb_location = amdgpu_bo_gpu_offset(abo);
1853
1854 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1855 amdgpu_bo_unreserve(abo);
1856
1857 switch (target_fb->format->format) {
1858 case DRM_FORMAT_C8:
1859 fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1860 GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1861 break;
1862 case DRM_FORMAT_XRGB4444:
1863 case DRM_FORMAT_ARGB4444:
1864 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1865 GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1866#ifdef __BIG_ENDIAN
1867 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1868#endif
1869 break;
1870 case DRM_FORMAT_XRGB1555:
1871 case DRM_FORMAT_ARGB1555:
1872 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1873 GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1874#ifdef __BIG_ENDIAN
1875 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1876#endif
1877 break;
1878 case DRM_FORMAT_BGRX5551:
1879 case DRM_FORMAT_BGRA5551:
1880 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1881 GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1882#ifdef __BIG_ENDIAN
1883 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1884#endif
1885 break;
1886 case DRM_FORMAT_RGB565:
1887 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1888 GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1889#ifdef __BIG_ENDIAN
1890 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1891#endif
1892 break;
1893 case DRM_FORMAT_XRGB8888:
1894 case DRM_FORMAT_ARGB8888:
1895 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1896 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1897#ifdef __BIG_ENDIAN
1898 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1899#endif
1900 break;
1901 case DRM_FORMAT_XRGB2101010:
1902 case DRM_FORMAT_ARGB2101010:
1903 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1904 GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1905#ifdef __BIG_ENDIAN
1906 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1907#endif
1908 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1909 bypass_lut = true;
1910 break;
1911 case DRM_FORMAT_BGRX1010102:
1912 case DRM_FORMAT_BGRA1010102:
1913 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1914 GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1915#ifdef __BIG_ENDIAN
1916 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1917#endif
1918 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1919 bypass_lut = true;
1920 break;
1921 case DRM_FORMAT_XBGR8888:
1922 case DRM_FORMAT_ABGR8888:
1923 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1924 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1925 fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1926 GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1927#ifdef __BIG_ENDIAN
1928 fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1929#endif
1930 break;
1931 default:
1932 DRM_ERROR("Unsupported screen format %s\n",
1933 drm_get_format_name(target_fb->format->format, &format_name));
1934 return -EINVAL;
1935 }
1936
1937 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1938 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1939
1940 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1941 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1942 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1943 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1944 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1945
1946 fb_format |= GRPH_NUM_BANKS(num_banks);
1947 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1948 fb_format |= GRPH_TILE_SPLIT(tile_split);
1949 fb_format |= GRPH_BANK_WIDTH(bankw);
1950 fb_format |= GRPH_BANK_HEIGHT(bankh);
1951 fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1952 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1953 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1954 }
1955
1956 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1957 fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1958
1959 dce_v6_0_vga_enable(crtc, false);
1960
1961 /* Make sure surface address is updated at vertical blank rather than
1962 * horizontal blank
1963 */
1964 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1965
1966 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1967 upper_32_bits(fb_location));
1968 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1969 upper_32_bits(fb_location));
1970 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1971 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1972 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1973 (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1974 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1975 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1976
1977 /*
1978 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1979 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1980 * retain the full precision throughout the pipeline.
1981 */
1982 WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
1983 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
1984 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
1985
1986 if (bypass_lut)
1987 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1988
1989 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1990 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1991 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1992 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1993 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1994 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1995
1996 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1997 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
1998
1999 dce_v6_0_grph_enable(crtc, true);
2000
2001 WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2002 target_fb->height);
2003 x &= ~3;
2004 y &= ~1;
2005 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2006 (x << 16) | y);
2007 viewport_w = crtc->mode.hdisplay;
2008 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2009
2010 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2011 (viewport_w << 16) | viewport_h);
2012
2013 /* set pageflip to happen anywhere in vblank interval */
2014 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2015
2016 if (!atomic && fb && fb != crtc->primary->fb) {
2017 abo = gem_to_amdgpu_bo(fb->obj[0]);
2018 r = amdgpu_bo_reserve(abo, true);
2019 if (unlikely(r != 0))
2020 return r;
2021 amdgpu_bo_unpin(abo);
2022 amdgpu_bo_unreserve(abo);
2023 }
2024
2025 /* Bytes per pixel may have changed */
2026 dce_v6_0_bandwidth_update(adev);
2027
2028 return 0;
2029
2030}
2031
2032static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2033 struct drm_display_mode *mode)
2034{
2035 struct drm_device *dev = crtc->dev;
2036 struct amdgpu_device *adev = dev->dev_private;
2037 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2038
2039 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2040 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2041 INTERLEAVE_EN);
2042 else
2043 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2044}
2045
2046static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2047{
2048
2049 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2050 struct drm_device *dev = crtc->dev;
2051 struct amdgpu_device *adev = dev->dev_private;
2052 u16 *r, *g, *b;
2053 int i;
2054
2055 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2056
2057 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2058 ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2059 (0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2060 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2061 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2062 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2063 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2064 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2065 ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2066 (0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2067
2068 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2069
2070 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2071 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2072 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2073
2074 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2075 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2076 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2077
2078 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2079 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2080
2081 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2082 r = crtc->gamma_store;
2083 g = r + crtc->gamma_size;
2084 b = g + crtc->gamma_size;
2085 for (i = 0; i < 256; i++) {
2086 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2087 ((*r++ & 0xffc0) << 14) |
2088 ((*g++ & 0xffc0) << 4) |
2089 (*b++ >> 6));
2090 }
2091
2092 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2093 ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2094 (0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2095 ICON_DEGAMMA_MODE(0) |
2096 (0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2097 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2098 ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2099 (0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2100 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2101 ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2102 (0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2103 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2104 ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2105 (0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2106 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2107 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2108
2109
2110}
2111
2112static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2113{
2114 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2115 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2116
2117 switch (amdgpu_encoder->encoder_id) {
2118 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2119 return dig->linkb ? 1 : 0;
2120 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2121 return dig->linkb ? 3 : 2;
2122 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2123 return dig->linkb ? 5 : 4;
2124 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2125 return 6;
2126 default:
2127 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2128 return 0;
2129 }
2130}
2131
2132/**
2133 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2134 *
2135 * @crtc: drm crtc
2136 *
2137 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2138 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2139 * monitors a dedicated PPLL must be used. If a particular board has
2140 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2141 * as there is no need to program the PLL itself. If we are not able to
2142 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2143 * avoid messing up an existing monitor.
2144 *
2145 *
2146 */
2147static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2148{
2149 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2150 struct drm_device *dev = crtc->dev;
2151 struct amdgpu_device *adev = dev->dev_private;
2152 u32 pll_in_use;
2153 int pll;
2154
2155 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2156 if (adev->clock.dp_extclk)
2157 /* skip PPLL programming if using ext clock */
2158 return ATOM_PPLL_INVALID;
2159 else
2160 return ATOM_PPLL0;
2161 } else {
2162 /* use the same PPLL for all monitors with the same clock */
2163 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2164 if (pll != ATOM_PPLL_INVALID)
2165 return pll;
2166 }
2167
2168 /* PPLL1, and PPLL2 */
2169 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2170 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2171 return ATOM_PPLL2;
2172 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2173 return ATOM_PPLL1;
2174 DRM_ERROR("unable to allocate a PPLL\n");
2175 return ATOM_PPLL_INVALID;
2176}
2177
2178static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2179{
2180 struct amdgpu_device *adev = crtc->dev->dev_private;
2181 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2182 uint32_t cur_lock;
2183
2184 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2185 if (lock)
2186 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2187 else
2188 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2189 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2190}
2191
2192static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2193{
2194 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2195 struct amdgpu_device *adev = crtc->dev->dev_private;
2196
2197 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2198 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2199 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2200
2201
2202}
2203
2204static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2205{
2206 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2207 struct amdgpu_device *adev = crtc->dev->dev_private;
2208
2209 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2210 upper_32_bits(amdgpu_crtc->cursor_addr));
2211 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2212 lower_32_bits(amdgpu_crtc->cursor_addr));
2213
2214 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2215 CUR_CONTROL__CURSOR_EN_MASK |
2216 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2217 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2218
2219}
2220
2221static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2222 int x, int y)
2223{
2224 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2225 struct amdgpu_device *adev = crtc->dev->dev_private;
2226 int xorigin = 0, yorigin = 0;
2227
2228 int w = amdgpu_crtc->cursor_width;
2229
2230 amdgpu_crtc->cursor_x = x;
2231 amdgpu_crtc->cursor_y = y;
2232
2233 /* avivo cursor are offset into the total surface */
2234 x += crtc->x;
2235 y += crtc->y;
2236 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2237
2238 if (x < 0) {
2239 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2240 x = 0;
2241 }
2242 if (y < 0) {
2243 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2244 y = 0;
2245 }
2246
2247 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2248 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2249 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2250 ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2251
2252 return 0;
2253}
2254
2255static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2256 int x, int y)
2257{
2258 int ret;
2259
2260 dce_v6_0_lock_cursor(crtc, true);
2261 ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2262 dce_v6_0_lock_cursor(crtc, false);
2263
2264 return ret;
2265}
2266
2267static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2268 struct drm_file *file_priv,
2269 uint32_t handle,
2270 uint32_t width,
2271 uint32_t height,
2272 int32_t hot_x,
2273 int32_t hot_y)
2274{
2275 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2276 struct drm_gem_object *obj;
2277 struct amdgpu_bo *aobj;
2278 int ret;
2279
2280 if (!handle) {
2281 /* turn off cursor */
2282 dce_v6_0_hide_cursor(crtc);
2283 obj = NULL;
2284 goto unpin;
2285 }
2286
2287 if ((width > amdgpu_crtc->max_cursor_width) ||
2288 (height > amdgpu_crtc->max_cursor_height)) {
2289 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2290 return -EINVAL;
2291 }
2292
2293 obj = drm_gem_object_lookup(file_priv, handle);
2294 if (!obj) {
2295 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2296 return -ENOENT;
2297 }
2298
2299 aobj = gem_to_amdgpu_bo(obj);
2300 ret = amdgpu_bo_reserve(aobj, false);
2301 if (ret != 0) {
2302 drm_gem_object_put(obj);
2303 return ret;
2304 }
2305
2306 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2307 amdgpu_bo_unreserve(aobj);
2308 if (ret) {
2309 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2310 drm_gem_object_put(obj);
2311 return ret;
2312 }
2313 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2314
2315 dce_v6_0_lock_cursor(crtc, true);
2316
2317 if (width != amdgpu_crtc->cursor_width ||
2318 height != amdgpu_crtc->cursor_height ||
2319 hot_x != amdgpu_crtc->cursor_hot_x ||
2320 hot_y != amdgpu_crtc->cursor_hot_y) {
2321 int x, y;
2322
2323 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2324 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2325
2326 dce_v6_0_cursor_move_locked(crtc, x, y);
2327
2328 amdgpu_crtc->cursor_width = width;
2329 amdgpu_crtc->cursor_height = height;
2330 amdgpu_crtc->cursor_hot_x = hot_x;
2331 amdgpu_crtc->cursor_hot_y = hot_y;
2332 }
2333
2334 dce_v6_0_show_cursor(crtc);
2335 dce_v6_0_lock_cursor(crtc, false);
2336
2337unpin:
2338 if (amdgpu_crtc->cursor_bo) {
2339 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2340 ret = amdgpu_bo_reserve(aobj, true);
2341 if (likely(ret == 0)) {
2342 amdgpu_bo_unpin(aobj);
2343 amdgpu_bo_unreserve(aobj);
2344 }
2345 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2346 }
2347
2348 amdgpu_crtc->cursor_bo = obj;
2349 return 0;
2350}
2351
2352static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2353{
2354 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2355
2356 if (amdgpu_crtc->cursor_bo) {
2357 dce_v6_0_lock_cursor(crtc, true);
2358
2359 dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2360 amdgpu_crtc->cursor_y);
2361
2362 dce_v6_0_show_cursor(crtc);
2363 dce_v6_0_lock_cursor(crtc, false);
2364 }
2365}
2366
2367static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2368 u16 *blue, uint32_t size,
2369 struct drm_modeset_acquire_ctx *ctx)
2370{
2371 dce_v6_0_crtc_load_lut(crtc);
2372
2373 return 0;
2374}
2375
2376static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2377{
2378 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2379
2380 drm_crtc_cleanup(crtc);
2381 kfree(amdgpu_crtc);
2382}
2383
2384static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2385 .cursor_set2 = dce_v6_0_crtc_cursor_set2,
2386 .cursor_move = dce_v6_0_crtc_cursor_move,
2387 .gamma_set = dce_v6_0_crtc_gamma_set,
2388 .set_config = amdgpu_display_crtc_set_config,
2389 .destroy = dce_v6_0_crtc_destroy,
2390 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2391 .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2392 .enable_vblank = amdgpu_enable_vblank_kms,
2393 .disable_vblank = amdgpu_disable_vblank_kms,
2394 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2395};
2396
2397static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2398{
2399 struct drm_device *dev = crtc->dev;
2400 struct amdgpu_device *adev = dev->dev_private;
2401 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2402 unsigned type;
2403
2404 switch (mode) {
2405 case DRM_MODE_DPMS_ON:
2406 amdgpu_crtc->enabled = true;
2407 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2408 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2409 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2410 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2411 amdgpu_crtc->crtc_id);
2412 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2413 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2414 drm_crtc_vblank_on(crtc);
2415 dce_v6_0_crtc_load_lut(crtc);
2416 break;
2417 case DRM_MODE_DPMS_STANDBY:
2418 case DRM_MODE_DPMS_SUSPEND:
2419 case DRM_MODE_DPMS_OFF:
2420 drm_crtc_vblank_off(crtc);
2421 if (amdgpu_crtc->enabled)
2422 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2423 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2424 amdgpu_crtc->enabled = false;
2425 break;
2426 }
2427 /* adjust pm to dpms */
2428 amdgpu_pm_compute_clocks(adev);
2429}
2430
2431static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2432{
2433 /* disable crtc pair power gating before programming */
2434 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2435 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2436 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2437}
2438
2439static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2440{
2441 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2442 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2443}
2444
2445static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2446{
2447
2448 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2449 struct drm_device *dev = crtc->dev;
2450 struct amdgpu_device *adev = dev->dev_private;
2451 struct amdgpu_atom_ss ss;
2452 int i;
2453
2454 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2455 if (crtc->primary->fb) {
2456 int r;
2457 struct amdgpu_bo *abo;
2458
2459 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2460 r = amdgpu_bo_reserve(abo, true);
2461 if (unlikely(r))
2462 DRM_ERROR("failed to reserve abo before unpin\n");
2463 else {
2464 amdgpu_bo_unpin(abo);
2465 amdgpu_bo_unreserve(abo);
2466 }
2467 }
2468 /* disable the GRPH */
2469 dce_v6_0_grph_enable(crtc, false);
2470
2471 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2472
2473 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2474 if (adev->mode_info.crtcs[i] &&
2475 adev->mode_info.crtcs[i]->enabled &&
2476 i != amdgpu_crtc->crtc_id &&
2477 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2478 /* one other crtc is using this pll don't turn
2479 * off the pll
2480 */
2481 goto done;
2482 }
2483 }
2484
2485 switch (amdgpu_crtc->pll_id) {
2486 case ATOM_PPLL1:
2487 case ATOM_PPLL2:
2488 /* disable the ppll */
2489 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2490 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2491 break;
2492 default:
2493 break;
2494 }
2495done:
2496 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2497 amdgpu_crtc->adjusted_clock = 0;
2498 amdgpu_crtc->encoder = NULL;
2499 amdgpu_crtc->connector = NULL;
2500}
2501
2502static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2503 struct drm_display_mode *mode,
2504 struct drm_display_mode *adjusted_mode,
2505 int x, int y, struct drm_framebuffer *old_fb)
2506{
2507 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2508
2509 if (!amdgpu_crtc->adjusted_clock)
2510 return -EINVAL;
2511
2512 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2513 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2514 dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2515 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2516 amdgpu_atombios_crtc_scaler_setup(crtc);
2517 dce_v6_0_cursor_reset(crtc);
2518 /* update the hw version fpr dpm */
2519 amdgpu_crtc->hw_mode = *adjusted_mode;
2520
2521 return 0;
2522}
2523
2524static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2525 const struct drm_display_mode *mode,
2526 struct drm_display_mode *adjusted_mode)
2527{
2528
2529 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2530 struct drm_device *dev = crtc->dev;
2531 struct drm_encoder *encoder;
2532
2533 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2534 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2535 if (encoder->crtc == crtc) {
2536 amdgpu_crtc->encoder = encoder;
2537 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2538 break;
2539 }
2540 }
2541 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2542 amdgpu_crtc->encoder = NULL;
2543 amdgpu_crtc->connector = NULL;
2544 return false;
2545 }
2546 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2547 return false;
2548 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2549 return false;
2550 /* pick pll */
2551 amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2552 /* if we can't get a PPLL for a non-DP encoder, fail */
2553 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2554 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2555 return false;
2556
2557 return true;
2558}
2559
2560static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2561 struct drm_framebuffer *old_fb)
2562{
2563 return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2564}
2565
2566static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2567 struct drm_framebuffer *fb,
2568 int x, int y, enum mode_set_atomic state)
2569{
2570 return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2571}
2572
2573static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2574 .dpms = dce_v6_0_crtc_dpms,
2575 .mode_fixup = dce_v6_0_crtc_mode_fixup,
2576 .mode_set = dce_v6_0_crtc_mode_set,
2577 .mode_set_base = dce_v6_0_crtc_set_base,
2578 .mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2579 .prepare = dce_v6_0_crtc_prepare,
2580 .commit = dce_v6_0_crtc_commit,
2581 .disable = dce_v6_0_crtc_disable,
2582 .get_scanout_position = amdgpu_crtc_get_scanout_position,
2583};
2584
2585static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2586{
2587 struct amdgpu_crtc *amdgpu_crtc;
2588
2589 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2590 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2591 if (amdgpu_crtc == NULL)
2592 return -ENOMEM;
2593
2594 drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2595
2596 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2597 amdgpu_crtc->crtc_id = index;
2598 adev->mode_info.crtcs[index] = amdgpu_crtc;
2599
2600 amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2601 amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2602 adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2603 adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2604
2605 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2606
2607 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2608 amdgpu_crtc->adjusted_clock = 0;
2609 amdgpu_crtc->encoder = NULL;
2610 amdgpu_crtc->connector = NULL;
2611 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2612
2613 return 0;
2614}
2615
2616static int dce_v6_0_early_init(void *handle)
2617{
2618 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2619
2620 adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2621 adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2622
2623 dce_v6_0_set_display_funcs(adev);
2624
2625 adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2626
2627 switch (adev->asic_type) {
2628 case CHIP_TAHITI:
2629 case CHIP_PITCAIRN:
2630 case CHIP_VERDE:
2631 adev->mode_info.num_hpd = 6;
2632 adev->mode_info.num_dig = 6;
2633 break;
2634 case CHIP_OLAND:
2635 adev->mode_info.num_hpd = 2;
2636 adev->mode_info.num_dig = 2;
2637 break;
2638 default:
2639 return -EINVAL;
2640 }
2641
2642 dce_v6_0_set_irq_funcs(adev);
2643
2644 return 0;
2645}
2646
2647static int dce_v6_0_sw_init(void *handle)
2648{
2649 int r, i;
2650 bool ret;
2651 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2652
2653 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2654 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2655 if (r)
2656 return r;
2657 }
2658
2659 for (i = 8; i < 20; i += 2) {
2660 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2661 if (r)
2662 return r;
2663 }
2664
2665 /* HPD hotplug */
2666 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2667 if (r)
2668 return r;
2669
2670 adev->mode_info.mode_config_initialized = true;
2671
2672 adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2673 adev->ddev->mode_config.async_page_flip = true;
2674 adev->ddev->mode_config.max_width = 16384;
2675 adev->ddev->mode_config.max_height = 16384;
2676 adev->ddev->mode_config.preferred_depth = 24;
2677 adev->ddev->mode_config.prefer_shadow = 1;
2678 adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2679
2680 r = amdgpu_display_modeset_create_props(adev);
2681 if (r)
2682 return r;
2683
2684 adev->ddev->mode_config.max_width = 16384;
2685 adev->ddev->mode_config.max_height = 16384;
2686
2687 /* allocate crtcs */
2688 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2689 r = dce_v6_0_crtc_init(adev, i);
2690 if (r)
2691 return r;
2692 }
2693
2694 ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2695 if (ret)
2696 amdgpu_display_print_display_setup(adev->ddev);
2697 else
2698 return -EINVAL;
2699
2700 /* setup afmt */
2701 r = dce_v6_0_afmt_init(adev);
2702 if (r)
2703 return r;
2704
2705 r = dce_v6_0_audio_init(adev);
2706 if (r)
2707 return r;
2708
2709 drm_kms_helper_poll_init(adev->ddev);
2710
2711 return r;
2712}
2713
2714static int dce_v6_0_sw_fini(void *handle)
2715{
2716 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2717
2718 kfree(adev->mode_info.bios_hardcoded_edid);
2719
2720 drm_kms_helper_poll_fini(adev->ddev);
2721
2722 dce_v6_0_audio_fini(adev);
2723 dce_v6_0_afmt_fini(adev);
2724
2725 drm_mode_config_cleanup(adev->ddev);
2726 adev->mode_info.mode_config_initialized = false;
2727
2728 return 0;
2729}
2730
2731static int dce_v6_0_hw_init(void *handle)
2732{
2733 int i;
2734 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2735
2736 /* disable vga render */
2737 dce_v6_0_set_vga_render_state(adev, false);
2738 /* init dig PHYs, disp eng pll */
2739 amdgpu_atombios_encoder_init_dig(adev);
2740 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2741
2742 /* initialize hpd */
2743 dce_v6_0_hpd_init(adev);
2744
2745 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2746 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2747 }
2748
2749 dce_v6_0_pageflip_interrupt_init(adev);
2750
2751 return 0;
2752}
2753
2754static int dce_v6_0_hw_fini(void *handle)
2755{
2756 int i;
2757 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2758
2759 dce_v6_0_hpd_fini(adev);
2760
2761 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2762 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2763 }
2764
2765 dce_v6_0_pageflip_interrupt_fini(adev);
2766
2767 return 0;
2768}
2769
2770static int dce_v6_0_suspend(void *handle)
2771{
2772 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2773
2774 adev->mode_info.bl_level =
2775 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2776
2777 return dce_v6_0_hw_fini(handle);
2778}
2779
2780static int dce_v6_0_resume(void *handle)
2781{
2782 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2783 int ret;
2784
2785 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2786 adev->mode_info.bl_level);
2787
2788 ret = dce_v6_0_hw_init(handle);
2789
2790 /* turn on the BL */
2791 if (adev->mode_info.bl_encoder) {
2792 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2793 adev->mode_info.bl_encoder);
2794 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2795 bl_level);
2796 }
2797
2798 return ret;
2799}
2800
2801static bool dce_v6_0_is_idle(void *handle)
2802{
2803 return true;
2804}
2805
2806static int dce_v6_0_wait_for_idle(void *handle)
2807{
2808 return 0;
2809}
2810
2811static int dce_v6_0_soft_reset(void *handle)
2812{
2813 DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2814 return 0;
2815}
2816
2817static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2818 int crtc,
2819 enum amdgpu_interrupt_state state)
2820{
2821 u32 reg_block, interrupt_mask;
2822
2823 if (crtc >= adev->mode_info.num_crtc) {
2824 DRM_DEBUG("invalid crtc %d\n", crtc);
2825 return;
2826 }
2827
2828 switch (crtc) {
2829 case 0:
2830 reg_block = SI_CRTC0_REGISTER_OFFSET;
2831 break;
2832 case 1:
2833 reg_block = SI_CRTC1_REGISTER_OFFSET;
2834 break;
2835 case 2:
2836 reg_block = SI_CRTC2_REGISTER_OFFSET;
2837 break;
2838 case 3:
2839 reg_block = SI_CRTC3_REGISTER_OFFSET;
2840 break;
2841 case 4:
2842 reg_block = SI_CRTC4_REGISTER_OFFSET;
2843 break;
2844 case 5:
2845 reg_block = SI_CRTC5_REGISTER_OFFSET;
2846 break;
2847 default:
2848 DRM_DEBUG("invalid crtc %d\n", crtc);
2849 return;
2850 }
2851
2852 switch (state) {
2853 case AMDGPU_IRQ_STATE_DISABLE:
2854 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2855 interrupt_mask &= ~VBLANK_INT_MASK;
2856 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2857 break;
2858 case AMDGPU_IRQ_STATE_ENABLE:
2859 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2860 interrupt_mask |= VBLANK_INT_MASK;
2861 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2862 break;
2863 default:
2864 break;
2865 }
2866}
2867
2868static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2869 int crtc,
2870 enum amdgpu_interrupt_state state)
2871{
2872
2873}
2874
2875static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2876 struct amdgpu_irq_src *src,
2877 unsigned type,
2878 enum amdgpu_interrupt_state state)
2879{
2880 u32 dc_hpd_int_cntl;
2881
2882 if (type >= adev->mode_info.num_hpd) {
2883 DRM_DEBUG("invalid hdp %d\n", type);
2884 return 0;
2885 }
2886
2887 switch (state) {
2888 case AMDGPU_IRQ_STATE_DISABLE:
2889 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2890 dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2891 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2892 break;
2893 case AMDGPU_IRQ_STATE_ENABLE:
2894 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2895 dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2896 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2897 break;
2898 default:
2899 break;
2900 }
2901
2902 return 0;
2903}
2904
2905static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2906 struct amdgpu_irq_src *src,
2907 unsigned type,
2908 enum amdgpu_interrupt_state state)
2909{
2910 switch (type) {
2911 case AMDGPU_CRTC_IRQ_VBLANK1:
2912 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2913 break;
2914 case AMDGPU_CRTC_IRQ_VBLANK2:
2915 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2916 break;
2917 case AMDGPU_CRTC_IRQ_VBLANK3:
2918 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2919 break;
2920 case AMDGPU_CRTC_IRQ_VBLANK4:
2921 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2922 break;
2923 case AMDGPU_CRTC_IRQ_VBLANK5:
2924 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2925 break;
2926 case AMDGPU_CRTC_IRQ_VBLANK6:
2927 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2928 break;
2929 case AMDGPU_CRTC_IRQ_VLINE1:
2930 dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2931 break;
2932 case AMDGPU_CRTC_IRQ_VLINE2:
2933 dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2934 break;
2935 case AMDGPU_CRTC_IRQ_VLINE3:
2936 dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2937 break;
2938 case AMDGPU_CRTC_IRQ_VLINE4:
2939 dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2940 break;
2941 case AMDGPU_CRTC_IRQ_VLINE5:
2942 dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2943 break;
2944 case AMDGPU_CRTC_IRQ_VLINE6:
2945 dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2946 break;
2947 default:
2948 break;
2949 }
2950 return 0;
2951}
2952
2953static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2954 struct amdgpu_irq_src *source,
2955 struct amdgpu_iv_entry *entry)
2956{
2957 unsigned crtc = entry->src_id - 1;
2958 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2959 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2960 crtc);
2961
2962 switch (entry->src_data[0]) {
2963 case 0: /* vblank */
2964 if (disp_int & interrupt_status_offsets[crtc].vblank)
2965 WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
2966 else
2967 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2968
2969 if (amdgpu_irq_enabled(adev, source, irq_type)) {
2970 drm_handle_vblank(adev->ddev, crtc);
2971 }
2972 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
2973 break;
2974 case 1: /* vline */
2975 if (disp_int & interrupt_status_offsets[crtc].vline)
2976 WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
2977 else
2978 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2979
2980 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
2981 break;
2982 default:
2983 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
2984 break;
2985 }
2986
2987 return 0;
2988}
2989
2990static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
2991 struct amdgpu_irq_src *src,
2992 unsigned type,
2993 enum amdgpu_interrupt_state state)
2994{
2995 u32 reg;
2996
2997 if (type >= adev->mode_info.num_crtc) {
2998 DRM_ERROR("invalid pageflip crtc %d\n", type);
2999 return -EINVAL;
3000 }
3001
3002 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3003 if (state == AMDGPU_IRQ_STATE_DISABLE)
3004 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3005 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3006 else
3007 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3008 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3009
3010 return 0;
3011}
3012
3013static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
3014 struct amdgpu_irq_src *source,
3015 struct amdgpu_iv_entry *entry)
3016{
3017 unsigned long flags;
3018 unsigned crtc_id;
3019 struct amdgpu_crtc *amdgpu_crtc;
3020 struct amdgpu_flip_work *works;
3021
3022 crtc_id = (entry->src_id - 8) >> 1;
3023 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3024
3025 if (crtc_id >= adev->mode_info.num_crtc) {
3026 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3027 return -EINVAL;
3028 }
3029
3030 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3031 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3032 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3033 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3034
3035 /* IRQ could occur when in initial stage */
3036 if (amdgpu_crtc == NULL)
3037 return 0;
3038
3039 spin_lock_irqsave(&adev->ddev->event_lock, flags);
3040 works = amdgpu_crtc->pflip_works;
3041 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3042 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3043 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3044 amdgpu_crtc->pflip_status,
3045 AMDGPU_FLIP_SUBMITTED);
3046 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3047 return 0;
3048 }
3049
3050 /* page flip completed. clean up */
3051 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3052 amdgpu_crtc->pflip_works = NULL;
3053
3054 /* wakeup usersapce */
3055 if (works->event)
3056 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3057
3058 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3059
3060 drm_crtc_vblank_put(&amdgpu_crtc->base);
3061 schedule_work(&works->unpin_work);
3062
3063 return 0;
3064}
3065
3066static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3067 struct amdgpu_irq_src *source,
3068 struct amdgpu_iv_entry *entry)
3069{
3070 uint32_t disp_int, mask, tmp;
3071 unsigned hpd;
3072
3073 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3074 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3075 return 0;
3076 }
3077
3078 hpd = entry->src_data[0];
3079 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3080 mask = interrupt_status_offsets[hpd].hpd;
3081
3082 if (disp_int & mask) {
3083 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
3084 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
3085 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
3086 schedule_work(&adev->hotplug_work);
3087 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3088 }
3089
3090 return 0;
3091
3092}
3093
3094static int dce_v6_0_set_clockgating_state(void *handle,
3095 enum amd_clockgating_state state)
3096{
3097 return 0;
3098}
3099
3100static int dce_v6_0_set_powergating_state(void *handle,
3101 enum amd_powergating_state state)
3102{
3103 return 0;
3104}
3105
3106static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3107 .name = "dce_v6_0",
3108 .early_init = dce_v6_0_early_init,
3109 .late_init = NULL,
3110 .sw_init = dce_v6_0_sw_init,
3111 .sw_fini = dce_v6_0_sw_fini,
3112 .hw_init = dce_v6_0_hw_init,
3113 .hw_fini = dce_v6_0_hw_fini,
3114 .suspend = dce_v6_0_suspend,
3115 .resume = dce_v6_0_resume,
3116 .is_idle = dce_v6_0_is_idle,
3117 .wait_for_idle = dce_v6_0_wait_for_idle,
3118 .soft_reset = dce_v6_0_soft_reset,
3119 .set_clockgating_state = dce_v6_0_set_clockgating_state,
3120 .set_powergating_state = dce_v6_0_set_powergating_state,
3121};
3122
3123static void
3124dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3125 struct drm_display_mode *mode,
3126 struct drm_display_mode *adjusted_mode)
3127{
3128
3129 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3130 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3131
3132 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3133
3134 /* need to call this here rather than in prepare() since we need some crtc info */
3135 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3136
3137 /* set scaler clears this on some chips */
3138 dce_v6_0_set_interleave(encoder->crtc, mode);
3139
3140 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3141 dce_v6_0_afmt_enable(encoder, true);
3142 dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3143 }
3144}
3145
3146static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3147{
3148
3149 struct amdgpu_device *adev = encoder->dev->dev_private;
3150 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3151 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3152
3153 if ((amdgpu_encoder->active_device &
3154 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3155 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3156 ENCODER_OBJECT_ID_NONE)) {
3157 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3158 if (dig) {
3159 dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3160 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3161 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3162 }
3163 }
3164
3165 amdgpu_atombios_scratch_regs_lock(adev, true);
3166
3167 if (connector) {
3168 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3169
3170 /* select the clock/data port if it uses a router */
3171 if (amdgpu_connector->router.cd_valid)
3172 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3173
3174 /* turn eDP panel on for mode set */
3175 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3176 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3177 ATOM_TRANSMITTER_ACTION_POWER_ON);
3178 }
3179
3180 /* this is needed for the pll/ss setup to work correctly in some cases */
3181 amdgpu_atombios_encoder_set_crtc_source(encoder);
3182 /* set up the FMT blocks */
3183 dce_v6_0_program_fmt(encoder);
3184}
3185
3186static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3187{
3188
3189 struct drm_device *dev = encoder->dev;
3190 struct amdgpu_device *adev = dev->dev_private;
3191
3192 /* need to call this here as we need the crtc set up */
3193 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3194 amdgpu_atombios_scratch_regs_lock(adev, false);
3195}
3196
3197static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3198{
3199
3200 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3201 struct amdgpu_encoder_atom_dig *dig;
3202 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3203
3204 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3205
3206 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3207 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3208 dce_v6_0_afmt_enable(encoder, false);
3209 dig = amdgpu_encoder->enc_priv;
3210 dig->dig_encoder = -1;
3211 }
3212 amdgpu_encoder->active_device = 0;
3213}
3214
3215/* these are handled by the primary encoders */
3216static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3217{
3218
3219}
3220
3221static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3222{
3223
3224}
3225
3226static void
3227dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3228 struct drm_display_mode *mode,
3229 struct drm_display_mode *adjusted_mode)
3230{
3231
3232}
3233
3234static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3235{
3236
3237}
3238
3239static void
3240dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3241{
3242
3243}
3244
3245static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3246 const struct drm_display_mode *mode,
3247 struct drm_display_mode *adjusted_mode)
3248{
3249 return true;
3250}
3251
3252static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3253 .dpms = dce_v6_0_ext_dpms,
3254 .mode_fixup = dce_v6_0_ext_mode_fixup,
3255 .prepare = dce_v6_0_ext_prepare,
3256 .mode_set = dce_v6_0_ext_mode_set,
3257 .commit = dce_v6_0_ext_commit,
3258 .disable = dce_v6_0_ext_disable,
3259 /* no detect for TMDS/LVDS yet */
3260};
3261
3262static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3263 .dpms = amdgpu_atombios_encoder_dpms,
3264 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3265 .prepare = dce_v6_0_encoder_prepare,
3266 .mode_set = dce_v6_0_encoder_mode_set,
3267 .commit = dce_v6_0_encoder_commit,
3268 .disable = dce_v6_0_encoder_disable,
3269 .detect = amdgpu_atombios_encoder_dig_detect,
3270};
3271
3272static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3273 .dpms = amdgpu_atombios_encoder_dpms,
3274 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3275 .prepare = dce_v6_0_encoder_prepare,
3276 .mode_set = dce_v6_0_encoder_mode_set,
3277 .commit = dce_v6_0_encoder_commit,
3278 .detect = amdgpu_atombios_encoder_dac_detect,
3279};
3280
3281static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3282{
3283 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3284 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3285 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3286 kfree(amdgpu_encoder->enc_priv);
3287 drm_encoder_cleanup(encoder);
3288 kfree(amdgpu_encoder);
3289}
3290
3291static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3292 .destroy = dce_v6_0_encoder_destroy,
3293};
3294
3295static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3296 uint32_t encoder_enum,
3297 uint32_t supported_device,
3298 u16 caps)
3299{
3300 struct drm_device *dev = adev->ddev;
3301 struct drm_encoder *encoder;
3302 struct amdgpu_encoder *amdgpu_encoder;
3303
3304 /* see if we already added it */
3305 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3306 amdgpu_encoder = to_amdgpu_encoder(encoder);
3307 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3308 amdgpu_encoder->devices |= supported_device;
3309 return;
3310 }
3311
3312 }
3313
3314 /* add a new one */
3315 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3316 if (!amdgpu_encoder)
3317 return;
3318
3319 encoder = &amdgpu_encoder->base;
3320 switch (adev->mode_info.num_crtc) {
3321 case 1:
3322 encoder->possible_crtcs = 0x1;
3323 break;
3324 case 2:
3325 default:
3326 encoder->possible_crtcs = 0x3;
3327 break;
3328 case 4:
3329 encoder->possible_crtcs = 0xf;
3330 break;
3331 case 6:
3332 encoder->possible_crtcs = 0x3f;
3333 break;
3334 }
3335
3336 amdgpu_encoder->enc_priv = NULL;
3337 amdgpu_encoder->encoder_enum = encoder_enum;
3338 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3339 amdgpu_encoder->devices = supported_device;
3340 amdgpu_encoder->rmx_type = RMX_OFF;
3341 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3342 amdgpu_encoder->is_ext_encoder = false;
3343 amdgpu_encoder->caps = caps;
3344
3345 switch (amdgpu_encoder->encoder_id) {
3346 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3347 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3348 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3349 DRM_MODE_ENCODER_DAC, NULL);
3350 drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3351 break;
3352 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3353 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3354 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3355 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3356 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3357 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3358 amdgpu_encoder->rmx_type = RMX_FULL;
3359 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3360 DRM_MODE_ENCODER_LVDS, NULL);
3361 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3362 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3363 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3364 DRM_MODE_ENCODER_DAC, NULL);
3365 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3366 } else {
3367 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3368 DRM_MODE_ENCODER_TMDS, NULL);
3369 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3370 }
3371 drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3372 break;
3373 case ENCODER_OBJECT_ID_SI170B:
3374 case ENCODER_OBJECT_ID_CH7303:
3375 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3376 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3377 case ENCODER_OBJECT_ID_TITFP513:
3378 case ENCODER_OBJECT_ID_VT1623:
3379 case ENCODER_OBJECT_ID_HDMI_SI1930:
3380 case ENCODER_OBJECT_ID_TRAVIS:
3381 case ENCODER_OBJECT_ID_NUTMEG:
3382 /* these are handled by the primary encoders */
3383 amdgpu_encoder->is_ext_encoder = true;
3384 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3385 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3386 DRM_MODE_ENCODER_LVDS, NULL);
3387 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3388 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3389 DRM_MODE_ENCODER_DAC, NULL);
3390 else
3391 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3392 DRM_MODE_ENCODER_TMDS, NULL);
3393 drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3394 break;
3395 }
3396}
3397
3398static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3399 .bandwidth_update = &dce_v6_0_bandwidth_update,
3400 .vblank_get_counter = &dce_v6_0_vblank_get_counter,
3401 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3402 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3403 .hpd_sense = &dce_v6_0_hpd_sense,
3404 .hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3405 .hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3406 .page_flip = &dce_v6_0_page_flip,
3407 .page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3408 .add_encoder = &dce_v6_0_encoder_add,
3409 .add_connector = &amdgpu_connector_add,
3410};
3411
3412static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3413{
3414 adev->mode_info.funcs = &dce_v6_0_display_funcs;
3415}
3416
3417static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3418 .set = dce_v6_0_set_crtc_interrupt_state,
3419 .process = dce_v6_0_crtc_irq,
3420};
3421
3422static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3423 .set = dce_v6_0_set_pageflip_interrupt_state,
3424 .process = dce_v6_0_pageflip_irq,
3425};
3426
3427static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3428 .set = dce_v6_0_set_hpd_interrupt_state,
3429 .process = dce_v6_0_hpd_irq,
3430};
3431
3432static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3433{
3434 if (adev->mode_info.num_crtc > 0)
3435 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3436 else
3437 adev->crtc_irq.num_types = 0;
3438 adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3439
3440 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3441 adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3442
3443 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3444 adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3445}
3446
3447const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3448{
3449 .type = AMD_IP_BLOCK_TYPE_DCE,
3450 .major = 6,
3451 .minor = 0,
3452 .rev = 0,
3453 .funcs = &dce_v6_0_ip_funcs,
3454};
3455
3456const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3457{
3458 .type = AMD_IP_BLOCK_TYPE_DCE,
3459 .major = 6,
3460 .minor = 4,
3461 .rev = 0,
3462 .funcs = &dce_v6_0_ip_funcs,
3463};
1/*
2 * Copyright 2015 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 <linux/pci.h>
25
26#include <drm/drm_edid.h>
27#include <drm/drm_fourcc.h>
28#include <drm/drm_modeset_helper.h>
29#include <drm/drm_modeset_helper_vtables.h>
30#include <drm/drm_vblank.h>
31
32#include "amdgpu.h"
33#include "amdgpu_pm.h"
34#include "amdgpu_i2c.h"
35#include "atom.h"
36#include "amdgpu_atombios.h"
37#include "atombios_crtc.h"
38#include "atombios_encoders.h"
39#include "amdgpu_pll.h"
40#include "amdgpu_connectors.h"
41#include "amdgpu_display.h"
42
43#include "bif/bif_3_0_d.h"
44#include "bif/bif_3_0_sh_mask.h"
45#include "oss/oss_1_0_d.h"
46#include "oss/oss_1_0_sh_mask.h"
47#include "gca/gfx_6_0_d.h"
48#include "gca/gfx_6_0_sh_mask.h"
49#include "gmc/gmc_6_0_d.h"
50#include "gmc/gmc_6_0_sh_mask.h"
51#include "dce/dce_6_0_d.h"
52#include "dce/dce_6_0_sh_mask.h"
53#include "gca/gfx_7_2_enum.h"
54#include "dce_v6_0.h"
55#include "si_enums.h"
56
57static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
58static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
59
60static const u32 crtc_offsets[6] =
61{
62 SI_CRTC0_REGISTER_OFFSET,
63 SI_CRTC1_REGISTER_OFFSET,
64 SI_CRTC2_REGISTER_OFFSET,
65 SI_CRTC3_REGISTER_OFFSET,
66 SI_CRTC4_REGISTER_OFFSET,
67 SI_CRTC5_REGISTER_OFFSET
68};
69
70static const u32 hpd_offsets[] =
71{
72 mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
73 mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
74 mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
75 mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
76 mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
77 mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
78};
79
80static const uint32_t dig_offsets[] = {
81 SI_CRTC0_REGISTER_OFFSET,
82 SI_CRTC1_REGISTER_OFFSET,
83 SI_CRTC2_REGISTER_OFFSET,
84 SI_CRTC3_REGISTER_OFFSET,
85 SI_CRTC4_REGISTER_OFFSET,
86 SI_CRTC5_REGISTER_OFFSET,
87 (0x13830 - 0x7030) >> 2,
88};
89
90static const struct {
91 uint32_t reg;
92 uint32_t vblank;
93 uint32_t vline;
94 uint32_t hpd;
95
96} interrupt_status_offsets[6] = { {
97 .reg = mmDISP_INTERRUPT_STATUS,
98 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
99 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
100 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
101}, {
102 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
103 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
104 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
105 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
106}, {
107 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
108 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
109 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
110 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
111}, {
112 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
113 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
114 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
115 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
116}, {
117 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
118 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
119 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
120 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
121}, {
122 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
123 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
124 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
125 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
126} };
127
128static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
129 u32 block_offset, u32 reg)
130{
131 unsigned long flags;
132 u32 r;
133
134 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
135 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
136 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
137 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
138
139 return r;
140}
141
142static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
143 u32 block_offset, u32 reg, u32 v)
144{
145 unsigned long flags;
146
147 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
148 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
149 reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
150 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
151 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
152}
153
154static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
155{
156 if (crtc >= adev->mode_info.num_crtc)
157 return 0;
158 else
159 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
160}
161
162static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
163{
164 unsigned i;
165
166 /* Enable pflip interrupts */
167 for (i = 0; i < adev->mode_info.num_crtc; i++)
168 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
169}
170
171static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
172{
173 unsigned i;
174
175 /* Disable pflip interrupts */
176 for (i = 0; i < adev->mode_info.num_crtc; i++)
177 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
178}
179
180/**
181 * dce_v6_0_page_flip - pageflip callback.
182 *
183 * @adev: amdgpu_device pointer
184 * @crtc_id: crtc to cleanup pageflip on
185 * @crtc_base: new address of the crtc (GPU MC address)
186 * @async: asynchronous flip
187 *
188 * Does the actual pageflip (evergreen+).
189 * During vblank we take the crtc lock and wait for the update_pending
190 * bit to go high, when it does, we release the lock, and allow the
191 * double buffered update to take place.
192 * Returns the current update pending status.
193 */
194static void dce_v6_0_page_flip(struct amdgpu_device *adev,
195 int crtc_id, u64 crtc_base, bool async)
196{
197 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
198 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
199
200 /* flip at hsync for async, default is vsync */
201 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
202 GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
203 /* update pitch */
204 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
205 fb->pitches[0] / fb->format->cpp[0]);
206 /* update the scanout addresses */
207 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
208 upper_32_bits(crtc_base));
209 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
210 (u32)crtc_base);
211
212 /* post the write */
213 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
214}
215
216static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
217 u32 *vbl, u32 *position)
218{
219 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
220 return -EINVAL;
221 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
222 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
223
224 return 0;
225
226}
227
228/**
229 * dce_v6_0_hpd_sense - hpd sense callback.
230 *
231 * @adev: amdgpu_device pointer
232 * @hpd: hpd (hotplug detect) pin
233 *
234 * Checks if a digital monitor is connected (evergreen+).
235 * Returns true if connected, false if not connected.
236 */
237static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
238 enum amdgpu_hpd_id hpd)
239{
240 bool connected = false;
241
242 if (hpd >= adev->mode_info.num_hpd)
243 return connected;
244
245 if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
246 connected = true;
247
248 return connected;
249}
250
251/**
252 * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
253 *
254 * @adev: amdgpu_device pointer
255 * @hpd: hpd (hotplug detect) pin
256 *
257 * Set the polarity of the hpd pin (evergreen+).
258 */
259static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
260 enum amdgpu_hpd_id hpd)
261{
262 u32 tmp;
263 bool connected = dce_v6_0_hpd_sense(adev, hpd);
264
265 if (hpd >= adev->mode_info.num_hpd)
266 return;
267
268 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
269 if (connected)
270 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
271 else
272 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
273 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
274}
275
276/**
277 * dce_v6_0_hpd_init - hpd setup callback.
278 *
279 * @adev: amdgpu_device pointer
280 *
281 * Setup the hpd pins used by the card (evergreen+).
282 * Enable the pin, set the polarity, and enable the hpd interrupts.
283 */
284static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
285{
286 struct drm_device *dev = adev_to_drm(adev);
287 struct drm_connector *connector;
288 struct drm_connector_list_iter iter;
289 u32 tmp;
290
291 drm_connector_list_iter_begin(dev, &iter);
292 drm_for_each_connector_iter(connector, &iter) {
293 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
294
295 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
296 continue;
297
298 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
299 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
300 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
301
302 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
303 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
304 /* don't try to enable hpd on eDP or LVDS avoid breaking the
305 * aux dp channel on imac and help (but not completely fix)
306 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
307 * also avoid interrupt storms during dpms.
308 */
309 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
310 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
311 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
312 continue;
313 }
314
315 dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
316 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
317 }
318 drm_connector_list_iter_end(&iter);
319}
320
321/**
322 * dce_v6_0_hpd_fini - hpd tear down callback.
323 *
324 * @adev: amdgpu_device pointer
325 *
326 * Tear down the hpd pins used by the card (evergreen+).
327 * Disable the hpd interrupts.
328 */
329static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
330{
331 struct drm_device *dev = adev_to_drm(adev);
332 struct drm_connector *connector;
333 struct drm_connector_list_iter iter;
334 u32 tmp;
335
336 drm_connector_list_iter_begin(dev, &iter);
337 drm_for_each_connector_iter(connector, &iter) {
338 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
339
340 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
341 continue;
342
343 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
344 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
345 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
346
347 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
348 }
349 drm_connector_list_iter_end(&iter);
350}
351
352static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
353{
354 return mmDC_GPIO_HPD_A;
355}
356
357static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
358 bool render)
359{
360 if (!render)
361 WREG32(mmVGA_RENDER_CONTROL,
362 RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
363
364}
365
366static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
367{
368 switch (adev->asic_type) {
369 case CHIP_TAHITI:
370 case CHIP_PITCAIRN:
371 case CHIP_VERDE:
372 return 6;
373 case CHIP_OLAND:
374 return 2;
375 default:
376 return 0;
377 }
378}
379
380void dce_v6_0_disable_dce(struct amdgpu_device *adev)
381{
382 /*Disable VGA render and enabled crtc, if has DCE engine*/
383 if (amdgpu_atombios_has_dce_engine_info(adev)) {
384 u32 tmp;
385 int crtc_enabled, i;
386
387 dce_v6_0_set_vga_render_state(adev, false);
388
389 /*Disable crtc*/
390 for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
391 crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
392 CRTC_CONTROL__CRTC_MASTER_EN_MASK;
393 if (crtc_enabled) {
394 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
395 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
396 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
397 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
398 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
399 }
400 }
401 }
402}
403
404static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
405{
406
407 struct drm_device *dev = encoder->dev;
408 struct amdgpu_device *adev = drm_to_adev(dev);
409 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
410 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
411 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
412 int bpc = 0;
413 u32 tmp = 0;
414 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
415
416 if (connector) {
417 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
418 bpc = amdgpu_connector_get_monitor_bpc(connector);
419 dither = amdgpu_connector->dither;
420 }
421
422 /* LVDS FMT is set up by atom */
423 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
424 return;
425
426 if (bpc == 0)
427 return;
428
429
430 switch (bpc) {
431 case 6:
432 if (dither == AMDGPU_FMT_DITHER_ENABLE)
433 /* XXX sort out optimal dither settings */
434 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
435 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
436 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
437 else
438 tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
439 break;
440 case 8:
441 if (dither == AMDGPU_FMT_DITHER_ENABLE)
442 /* XXX sort out optimal dither settings */
443 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
444 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
445 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
446 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
447 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
448 else
449 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
450 FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
451 break;
452 case 10:
453 default:
454 /* not needed */
455 break;
456 }
457
458 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
459}
460
461/**
462 * si_get_number_of_dram_channels - get the number of dram channels
463 *
464 * @adev: amdgpu_device pointer
465 *
466 * Look up the number of video ram channels (CIK).
467 * Used for display watermark bandwidth calculations
468 * Returns the number of dram channels
469 */
470static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
471{
472 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
473
474 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
475 case 0:
476 default:
477 return 1;
478 case 1:
479 return 2;
480 case 2:
481 return 4;
482 case 3:
483 return 8;
484 case 4:
485 return 3;
486 case 5:
487 return 6;
488 case 6:
489 return 10;
490 case 7:
491 return 12;
492 case 8:
493 return 16;
494 }
495}
496
497struct dce6_wm_params {
498 u32 dram_channels; /* number of dram channels */
499 u32 yclk; /* bandwidth per dram data pin in kHz */
500 u32 sclk; /* engine clock in kHz */
501 u32 disp_clk; /* display clock in kHz */
502 u32 src_width; /* viewport width */
503 u32 active_time; /* active display time in ns */
504 u32 blank_time; /* blank time in ns */
505 bool interlaced; /* mode is interlaced */
506 fixed20_12 vsc; /* vertical scale ratio */
507 u32 num_heads; /* number of active crtcs */
508 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
509 u32 lb_size; /* line buffer allocated to pipe */
510 u32 vtaps; /* vertical scaler taps */
511};
512
513/**
514 * dce_v6_0_dram_bandwidth - get the dram bandwidth
515 *
516 * @wm: watermark calculation data
517 *
518 * Calculate the raw dram bandwidth (CIK).
519 * Used for display watermark bandwidth calculations
520 * Returns the dram bandwidth in MBytes/s
521 */
522static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
523{
524 /* Calculate raw DRAM Bandwidth */
525 fixed20_12 dram_efficiency; /* 0.7 */
526 fixed20_12 yclk, dram_channels, bandwidth;
527 fixed20_12 a;
528
529 a.full = dfixed_const(1000);
530 yclk.full = dfixed_const(wm->yclk);
531 yclk.full = dfixed_div(yclk, a);
532 dram_channels.full = dfixed_const(wm->dram_channels * 4);
533 a.full = dfixed_const(10);
534 dram_efficiency.full = dfixed_const(7);
535 dram_efficiency.full = dfixed_div(dram_efficiency, a);
536 bandwidth.full = dfixed_mul(dram_channels, yclk);
537 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
538
539 return dfixed_trunc(bandwidth);
540}
541
542/**
543 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
544 *
545 * @wm: watermark calculation data
546 *
547 * Calculate the dram bandwidth used for display (CIK).
548 * Used for display watermark bandwidth calculations
549 * Returns the dram bandwidth for display in MBytes/s
550 */
551static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
552{
553 /* Calculate DRAM Bandwidth and the part allocated to display. */
554 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
555 fixed20_12 yclk, dram_channels, bandwidth;
556 fixed20_12 a;
557
558 a.full = dfixed_const(1000);
559 yclk.full = dfixed_const(wm->yclk);
560 yclk.full = dfixed_div(yclk, a);
561 dram_channels.full = dfixed_const(wm->dram_channels * 4);
562 a.full = dfixed_const(10);
563 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
564 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
565 bandwidth.full = dfixed_mul(dram_channels, yclk);
566 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
567
568 return dfixed_trunc(bandwidth);
569}
570
571/**
572 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
573 *
574 * @wm: watermark calculation data
575 *
576 * Calculate the data return bandwidth used for display (CIK).
577 * Used for display watermark bandwidth calculations
578 * Returns the data return bandwidth in MBytes/s
579 */
580static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
581{
582 /* Calculate the display Data return Bandwidth */
583 fixed20_12 return_efficiency; /* 0.8 */
584 fixed20_12 sclk, bandwidth;
585 fixed20_12 a;
586
587 a.full = dfixed_const(1000);
588 sclk.full = dfixed_const(wm->sclk);
589 sclk.full = dfixed_div(sclk, a);
590 a.full = dfixed_const(10);
591 return_efficiency.full = dfixed_const(8);
592 return_efficiency.full = dfixed_div(return_efficiency, a);
593 a.full = dfixed_const(32);
594 bandwidth.full = dfixed_mul(a, sclk);
595 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
596
597 return dfixed_trunc(bandwidth);
598}
599
600/**
601 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
602 *
603 * @wm: watermark calculation data
604 *
605 * Calculate the dmif bandwidth used for display (CIK).
606 * Used for display watermark bandwidth calculations
607 * Returns the dmif bandwidth in MBytes/s
608 */
609static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
610{
611 /* Calculate the DMIF Request Bandwidth */
612 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
613 fixed20_12 disp_clk, bandwidth;
614 fixed20_12 a, b;
615
616 a.full = dfixed_const(1000);
617 disp_clk.full = dfixed_const(wm->disp_clk);
618 disp_clk.full = dfixed_div(disp_clk, a);
619 a.full = dfixed_const(32);
620 b.full = dfixed_mul(a, disp_clk);
621
622 a.full = dfixed_const(10);
623 disp_clk_request_efficiency.full = dfixed_const(8);
624 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
625
626 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
627
628 return dfixed_trunc(bandwidth);
629}
630
631/**
632 * dce_v6_0_available_bandwidth - get the min available bandwidth
633 *
634 * @wm: watermark calculation data
635 *
636 * Calculate the min available bandwidth used for display (CIK).
637 * Used for display watermark bandwidth calculations
638 * Returns the min available bandwidth in MBytes/s
639 */
640static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
641{
642 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
643 u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
644 u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
645 u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
646
647 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
648}
649
650/**
651 * dce_v6_0_average_bandwidth - get the average available bandwidth
652 *
653 * @wm: watermark calculation data
654 *
655 * Calculate the average available bandwidth used for display (CIK).
656 * Used for display watermark bandwidth calculations
657 * Returns the average available bandwidth in MBytes/s
658 */
659static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
660{
661 /* Calculate the display mode Average Bandwidth
662 * DisplayMode should contain the source and destination dimensions,
663 * timing, etc.
664 */
665 fixed20_12 bpp;
666 fixed20_12 line_time;
667 fixed20_12 src_width;
668 fixed20_12 bandwidth;
669 fixed20_12 a;
670
671 a.full = dfixed_const(1000);
672 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
673 line_time.full = dfixed_div(line_time, a);
674 bpp.full = dfixed_const(wm->bytes_per_pixel);
675 src_width.full = dfixed_const(wm->src_width);
676 bandwidth.full = dfixed_mul(src_width, bpp);
677 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
678 bandwidth.full = dfixed_div(bandwidth, line_time);
679
680 return dfixed_trunc(bandwidth);
681}
682
683/**
684 * dce_v6_0_latency_watermark - get the latency watermark
685 *
686 * @wm: watermark calculation data
687 *
688 * Calculate the latency watermark (CIK).
689 * Used for display watermark bandwidth calculations
690 * Returns the latency watermark in ns
691 */
692static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
693{
694 /* First calculate the latency in ns */
695 u32 mc_latency = 2000; /* 2000 ns. */
696 u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
697 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
698 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
699 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
700 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
701 (wm->num_heads * cursor_line_pair_return_time);
702 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
703 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
704 u32 tmp, dmif_size = 12288;
705 fixed20_12 a, b, c;
706
707 if (wm->num_heads == 0)
708 return 0;
709
710 a.full = dfixed_const(2);
711 b.full = dfixed_const(1);
712 if ((wm->vsc.full > a.full) ||
713 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
714 (wm->vtaps >= 5) ||
715 ((wm->vsc.full >= a.full) && wm->interlaced))
716 max_src_lines_per_dst_line = 4;
717 else
718 max_src_lines_per_dst_line = 2;
719
720 a.full = dfixed_const(available_bandwidth);
721 b.full = dfixed_const(wm->num_heads);
722 a.full = dfixed_div(a, b);
723 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
724 tmp = min(dfixed_trunc(a), tmp);
725
726 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
727
728 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
729 b.full = dfixed_const(1000);
730 c.full = dfixed_const(lb_fill_bw);
731 b.full = dfixed_div(c, b);
732 a.full = dfixed_div(a, b);
733 line_fill_time = dfixed_trunc(a);
734
735 if (line_fill_time < wm->active_time)
736 return latency;
737 else
738 return latency + (line_fill_time - wm->active_time);
739
740}
741
742/**
743 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
744 * average and available dram bandwidth
745 *
746 * @wm: watermark calculation data
747 *
748 * Check if the display average bandwidth fits in the display
749 * dram bandwidth (CIK).
750 * Used for display watermark bandwidth calculations
751 * Returns true if the display fits, false if not.
752 */
753static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
754{
755 if (dce_v6_0_average_bandwidth(wm) <=
756 (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
757 return true;
758 else
759 return false;
760}
761
762/**
763 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
764 * average and available bandwidth
765 *
766 * @wm: watermark calculation data
767 *
768 * Check if the display average bandwidth fits in the display
769 * available bandwidth (CIK).
770 * Used for display watermark bandwidth calculations
771 * Returns true if the display fits, false if not.
772 */
773static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
774{
775 if (dce_v6_0_average_bandwidth(wm) <=
776 (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
777 return true;
778 else
779 return false;
780}
781
782/**
783 * dce_v6_0_check_latency_hiding - check latency hiding
784 *
785 * @wm: watermark calculation data
786 *
787 * Check latency hiding (CIK).
788 * Used for display watermark bandwidth calculations
789 * Returns true if the display fits, false if not.
790 */
791static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
792{
793 u32 lb_partitions = wm->lb_size / wm->src_width;
794 u32 line_time = wm->active_time + wm->blank_time;
795 u32 latency_tolerant_lines;
796 u32 latency_hiding;
797 fixed20_12 a;
798
799 a.full = dfixed_const(1);
800 if (wm->vsc.full > a.full)
801 latency_tolerant_lines = 1;
802 else {
803 if (lb_partitions <= (wm->vtaps + 1))
804 latency_tolerant_lines = 1;
805 else
806 latency_tolerant_lines = 2;
807 }
808
809 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
810
811 if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
812 return true;
813 else
814 return false;
815}
816
817/**
818 * dce_v6_0_program_watermarks - program display watermarks
819 *
820 * @adev: amdgpu_device pointer
821 * @amdgpu_crtc: the selected display controller
822 * @lb_size: line buffer size
823 * @num_heads: number of display controllers in use
824 *
825 * Calculate and program the display watermarks for the
826 * selected display controller (CIK).
827 */
828static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
829 struct amdgpu_crtc *amdgpu_crtc,
830 u32 lb_size, u32 num_heads)
831{
832 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
833 struct dce6_wm_params wm_low, wm_high;
834 u32 dram_channels;
835 u32 active_time;
836 u32 line_time = 0;
837 u32 latency_watermark_a = 0, latency_watermark_b = 0;
838 u32 priority_a_mark = 0, priority_b_mark = 0;
839 u32 priority_a_cnt = PRIORITY_OFF;
840 u32 priority_b_cnt = PRIORITY_OFF;
841 u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
842 fixed20_12 a, b, c;
843
844 if (amdgpu_crtc->base.enabled && num_heads && mode) {
845 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
846 (u32)mode->clock);
847 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
848 (u32)mode->clock);
849 line_time = min_t(u32, line_time, 65535);
850 priority_a_cnt = 0;
851 priority_b_cnt = 0;
852
853 dram_channels = si_get_number_of_dram_channels(adev);
854
855 /* watermark for high clocks */
856 if (adev->pm.dpm_enabled) {
857 wm_high.yclk =
858 amdgpu_dpm_get_mclk(adev, false) * 10;
859 wm_high.sclk =
860 amdgpu_dpm_get_sclk(adev, false) * 10;
861 } else {
862 wm_high.yclk = adev->pm.current_mclk * 10;
863 wm_high.sclk = adev->pm.current_sclk * 10;
864 }
865
866 wm_high.disp_clk = mode->clock;
867 wm_high.src_width = mode->crtc_hdisplay;
868 wm_high.active_time = active_time;
869 wm_high.blank_time = line_time - wm_high.active_time;
870 wm_high.interlaced = false;
871 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
872 wm_high.interlaced = true;
873 wm_high.vsc = amdgpu_crtc->vsc;
874 wm_high.vtaps = 1;
875 if (amdgpu_crtc->rmx_type != RMX_OFF)
876 wm_high.vtaps = 2;
877 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
878 wm_high.lb_size = lb_size;
879 wm_high.dram_channels = dram_channels;
880 wm_high.num_heads = num_heads;
881
882 if (adev->pm.dpm_enabled) {
883 /* watermark for low clocks */
884 wm_low.yclk =
885 amdgpu_dpm_get_mclk(adev, true) * 10;
886 wm_low.sclk =
887 amdgpu_dpm_get_sclk(adev, true) * 10;
888 } else {
889 wm_low.yclk = adev->pm.current_mclk * 10;
890 wm_low.sclk = adev->pm.current_sclk * 10;
891 }
892
893 wm_low.disp_clk = mode->clock;
894 wm_low.src_width = mode->crtc_hdisplay;
895 wm_low.active_time = active_time;
896 wm_low.blank_time = line_time - wm_low.active_time;
897 wm_low.interlaced = false;
898 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
899 wm_low.interlaced = true;
900 wm_low.vsc = amdgpu_crtc->vsc;
901 wm_low.vtaps = 1;
902 if (amdgpu_crtc->rmx_type != RMX_OFF)
903 wm_low.vtaps = 2;
904 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
905 wm_low.lb_size = lb_size;
906 wm_low.dram_channels = dram_channels;
907 wm_low.num_heads = num_heads;
908
909 /* set for high clocks */
910 latency_watermark_a = min_t(u32, dce_v6_0_latency_watermark(&wm_high), 65535);
911 /* set for low clocks */
912 latency_watermark_b = min_t(u32, dce_v6_0_latency_watermark(&wm_low), 65535);
913
914 /* possibly force display priority to high */
915 /* should really do this at mode validation time... */
916 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
917 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
918 !dce_v6_0_check_latency_hiding(&wm_high) ||
919 (adev->mode_info.disp_priority == 2)) {
920 DRM_DEBUG_KMS("force priority to high\n");
921 priority_a_cnt |= PRIORITY_ALWAYS_ON;
922 priority_b_cnt |= PRIORITY_ALWAYS_ON;
923 }
924 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
925 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
926 !dce_v6_0_check_latency_hiding(&wm_low) ||
927 (adev->mode_info.disp_priority == 2)) {
928 DRM_DEBUG_KMS("force priority to high\n");
929 priority_a_cnt |= PRIORITY_ALWAYS_ON;
930 priority_b_cnt |= PRIORITY_ALWAYS_ON;
931 }
932
933 a.full = dfixed_const(1000);
934 b.full = dfixed_const(mode->clock);
935 b.full = dfixed_div(b, a);
936 c.full = dfixed_const(latency_watermark_a);
937 c.full = dfixed_mul(c, b);
938 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
939 c.full = dfixed_div(c, a);
940 a.full = dfixed_const(16);
941 c.full = dfixed_div(c, a);
942 priority_a_mark = dfixed_trunc(c);
943 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
944
945 a.full = dfixed_const(1000);
946 b.full = dfixed_const(mode->clock);
947 b.full = dfixed_div(b, a);
948 c.full = dfixed_const(latency_watermark_b);
949 c.full = dfixed_mul(c, b);
950 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
951 c.full = dfixed_div(c, a);
952 a.full = dfixed_const(16);
953 c.full = dfixed_div(c, a);
954 priority_b_mark = dfixed_trunc(c);
955 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
956
957 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
958 }
959
960 /* select wm A */
961 arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
962 tmp = arb_control3;
963 tmp &= ~LATENCY_WATERMARK_MASK(3);
964 tmp |= LATENCY_WATERMARK_MASK(1);
965 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
966 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
967 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
968 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
969 /* select wm B */
970 tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
971 tmp &= ~LATENCY_WATERMARK_MASK(3);
972 tmp |= LATENCY_WATERMARK_MASK(2);
973 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
974 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
975 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
976 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
977 /* restore original selection */
978 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
979
980 /* write the priority marks */
981 WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
982 WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
983
984 /* save values for DPM */
985 amdgpu_crtc->line_time = line_time;
986 amdgpu_crtc->wm_high = latency_watermark_a;
987
988 /* Save number of lines the linebuffer leads before the scanout */
989 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
990}
991
992/* watermark setup */
993static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
994 struct amdgpu_crtc *amdgpu_crtc,
995 struct drm_display_mode *mode,
996 struct drm_display_mode *other_mode)
997{
998 u32 tmp, buffer_alloc, i;
999 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
1000 /*
1001 * Line Buffer Setup
1002 * There are 3 line buffers, each one shared by 2 display controllers.
1003 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1004 * the display controllers. The paritioning is done via one of four
1005 * preset allocations specified in bits 21:20:
1006 * 0 - half lb
1007 * 2 - whole lb, other crtc must be disabled
1008 */
1009 /* this can get tricky if we have two large displays on a paired group
1010 * of crtcs. Ideally for multiple large displays we'd assign them to
1011 * non-linked crtcs for maximum line buffer allocation.
1012 */
1013 if (amdgpu_crtc->base.enabled && mode) {
1014 if (other_mode) {
1015 tmp = 0; /* 1/2 */
1016 buffer_alloc = 1;
1017 } else {
1018 tmp = 2; /* whole */
1019 buffer_alloc = 2;
1020 }
1021 } else {
1022 tmp = 0;
1023 buffer_alloc = 0;
1024 }
1025
1026 WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1027 DC_LB_MEMORY_CONFIG(tmp));
1028
1029 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1030 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1031 for (i = 0; i < adev->usec_timeout; i++) {
1032 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1033 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1034 break;
1035 udelay(1);
1036 }
1037
1038 if (amdgpu_crtc->base.enabled && mode) {
1039 switch (tmp) {
1040 case 0:
1041 default:
1042 return 4096 * 2;
1043 case 2:
1044 return 8192 * 2;
1045 }
1046 }
1047
1048 /* controller not enabled, so no lb used */
1049 return 0;
1050}
1051
1052
1053/**
1054 * dce_v6_0_bandwidth_update - program display watermarks
1055 *
1056 * @adev: amdgpu_device pointer
1057 *
1058 * Calculate and program the display watermarks and line
1059 * buffer allocation (CIK).
1060 */
1061static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1062{
1063 struct drm_display_mode *mode0 = NULL;
1064 struct drm_display_mode *mode1 = NULL;
1065 u32 num_heads = 0, lb_size;
1066 int i;
1067
1068 if (!adev->mode_info.mode_config_initialized)
1069 return;
1070
1071 amdgpu_display_update_priority(adev);
1072
1073 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1074 if (adev->mode_info.crtcs[i]->base.enabled)
1075 num_heads++;
1076 }
1077 for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1078 mode0 = &adev->mode_info.crtcs[i]->base.mode;
1079 mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1080 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1081 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1082 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1083 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1084 }
1085}
1086
1087static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1088{
1089 int i;
1090 u32 tmp;
1091
1092 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1093 tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1094 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1095 if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1096 PORT_CONNECTIVITY))
1097 adev->mode_info.audio.pin[i].connected = false;
1098 else
1099 adev->mode_info.audio.pin[i].connected = true;
1100 }
1101
1102}
1103
1104static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1105{
1106 int i;
1107
1108 dce_v6_0_audio_get_connected_pins(adev);
1109
1110 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1111 if (adev->mode_info.audio.pin[i].connected)
1112 return &adev->mode_info.audio.pin[i];
1113 }
1114 DRM_ERROR("No connected audio pins found!\n");
1115 return NULL;
1116}
1117
1118static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1119{
1120 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1121 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1122 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1123
1124 if (!dig || !dig->afmt || !dig->afmt->pin)
1125 return;
1126
1127 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1128 REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1129 dig->afmt->pin->id));
1130}
1131
1132static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1133 struct drm_display_mode *mode)
1134{
1135 struct drm_device *dev = encoder->dev;
1136 struct amdgpu_device *adev = drm_to_adev(dev);
1137 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1138 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1139 struct drm_connector *connector;
1140 struct drm_connector_list_iter iter;
1141 struct amdgpu_connector *amdgpu_connector = NULL;
1142 int interlace = 0;
1143 u32 tmp;
1144
1145 drm_connector_list_iter_begin(dev, &iter);
1146 drm_for_each_connector_iter(connector, &iter) {
1147 if (connector->encoder == encoder) {
1148 amdgpu_connector = to_amdgpu_connector(connector);
1149 break;
1150 }
1151 }
1152 drm_connector_list_iter_end(&iter);
1153
1154 if (!amdgpu_connector) {
1155 DRM_ERROR("Couldn't find encoder's connector\n");
1156 return;
1157 }
1158
1159 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1160 interlace = 1;
1161
1162 if (connector->latency_present[interlace]) {
1163 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1164 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1165 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1166 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1167 } else {
1168 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1169 VIDEO_LIPSYNC, 0);
1170 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1171 AUDIO_LIPSYNC, 0);
1172 }
1173 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1174 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1175}
1176
1177static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1178{
1179 struct drm_device *dev = encoder->dev;
1180 struct amdgpu_device *adev = drm_to_adev(dev);
1181 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1182 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1183 struct drm_connector *connector;
1184 struct drm_connector_list_iter iter;
1185 struct amdgpu_connector *amdgpu_connector = NULL;
1186 u8 *sadb = NULL;
1187 int sad_count;
1188 u32 tmp;
1189
1190 drm_connector_list_iter_begin(dev, &iter);
1191 drm_for_each_connector_iter(connector, &iter) {
1192 if (connector->encoder == encoder) {
1193 amdgpu_connector = to_amdgpu_connector(connector);
1194 break;
1195 }
1196 }
1197 drm_connector_list_iter_end(&iter);
1198
1199 if (!amdgpu_connector) {
1200 DRM_ERROR("Couldn't find encoder's connector\n");
1201 return;
1202 }
1203
1204 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1205 if (sad_count < 0) {
1206 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1207 sad_count = 0;
1208 }
1209
1210 /* program the speaker allocation */
1211 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1212 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1213 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1214 HDMI_CONNECTION, 0);
1215 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1216 DP_CONNECTION, 0);
1217
1218 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1219 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1220 DP_CONNECTION, 1);
1221 else
1222 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1223 HDMI_CONNECTION, 1);
1224
1225 if (sad_count)
1226 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1227 SPEAKER_ALLOCATION, sadb[0]);
1228 else
1229 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1230 SPEAKER_ALLOCATION, 5); /* stereo */
1231
1232 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1233 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1234
1235 kfree(sadb);
1236}
1237
1238static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1239{
1240 struct drm_device *dev = encoder->dev;
1241 struct amdgpu_device *adev = drm_to_adev(dev);
1242 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1243 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1244 struct drm_connector *connector;
1245 struct drm_connector_list_iter iter;
1246 struct amdgpu_connector *amdgpu_connector = NULL;
1247 struct cea_sad *sads;
1248 int i, sad_count;
1249
1250 static const u16 eld_reg_to_type[][2] = {
1251 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1252 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1253 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1254 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1255 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1256 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1257 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1258 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1259 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1260 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1261 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1262 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1263 };
1264
1265 drm_connector_list_iter_begin(dev, &iter);
1266 drm_for_each_connector_iter(connector, &iter) {
1267 if (connector->encoder == encoder) {
1268 amdgpu_connector = to_amdgpu_connector(connector);
1269 break;
1270 }
1271 }
1272 drm_connector_list_iter_end(&iter);
1273
1274 if (!amdgpu_connector) {
1275 DRM_ERROR("Couldn't find encoder's connector\n");
1276 return;
1277 }
1278
1279 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1280 if (sad_count < 0)
1281 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1282 if (sad_count <= 0)
1283 return;
1284
1285 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1286 u32 tmp = 0;
1287 u8 stereo_freqs = 0;
1288 int max_channels = -1;
1289 int j;
1290
1291 for (j = 0; j < sad_count; j++) {
1292 struct cea_sad *sad = &sads[j];
1293
1294 if (sad->format == eld_reg_to_type[i][1]) {
1295 if (sad->channels > max_channels) {
1296 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1297 MAX_CHANNELS, sad->channels);
1298 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1299 DESCRIPTOR_BYTE_2, sad->byte2);
1300 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1301 SUPPORTED_FREQUENCIES, sad->freq);
1302 max_channels = sad->channels;
1303 }
1304
1305 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1306 stereo_freqs |= sad->freq;
1307 else
1308 break;
1309 }
1310 }
1311
1312 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1313 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1314 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1315 }
1316
1317 kfree(sads);
1318
1319}
1320
1321static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1322 struct amdgpu_audio_pin *pin,
1323 bool enable)
1324{
1325 if (!pin)
1326 return;
1327
1328 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1329 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1330}
1331
1332static const u32 pin_offsets[7] =
1333{
1334 (0x1780 - 0x1780),
1335 (0x1786 - 0x1780),
1336 (0x178c - 0x1780),
1337 (0x1792 - 0x1780),
1338 (0x1798 - 0x1780),
1339 (0x179d - 0x1780),
1340 (0x17a4 - 0x1780),
1341};
1342
1343static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1344{
1345 int i;
1346
1347 if (!amdgpu_audio)
1348 return 0;
1349
1350 adev->mode_info.audio.enabled = true;
1351
1352 switch (adev->asic_type) {
1353 case CHIP_TAHITI:
1354 case CHIP_PITCAIRN:
1355 case CHIP_VERDE:
1356 default:
1357 adev->mode_info.audio.num_pins = 6;
1358 break;
1359 case CHIP_OLAND:
1360 adev->mode_info.audio.num_pins = 2;
1361 break;
1362 }
1363
1364 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1365 adev->mode_info.audio.pin[i].channels = -1;
1366 adev->mode_info.audio.pin[i].rate = -1;
1367 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1368 adev->mode_info.audio.pin[i].status_bits = 0;
1369 adev->mode_info.audio.pin[i].category_code = 0;
1370 adev->mode_info.audio.pin[i].connected = false;
1371 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1372 adev->mode_info.audio.pin[i].id = i;
1373 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1374 }
1375
1376 return 0;
1377}
1378
1379static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1380{
1381 int i;
1382
1383 if (!amdgpu_audio)
1384 return;
1385
1386 if (!adev->mode_info.audio.enabled)
1387 return;
1388
1389 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1390 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1391
1392 adev->mode_info.audio.enabled = false;
1393}
1394
1395static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1396{
1397 struct drm_device *dev = encoder->dev;
1398 struct amdgpu_device *adev = drm_to_adev(dev);
1399 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1400 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1401 u32 tmp;
1402
1403 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1404 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1405 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1406 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1407 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1408}
1409
1410static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1411 uint32_t clock, int bpc)
1412{
1413 struct drm_device *dev = encoder->dev;
1414 struct amdgpu_device *adev = drm_to_adev(dev);
1415 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1416 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1417 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1418 u32 tmp;
1419
1420 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1421 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1422 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1423 bpc > 8 ? 0 : 1);
1424 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1425
1426 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1427 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1428 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1429 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1430 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1431 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1432
1433 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1434 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1435 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1436 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1437 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1438 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1439
1440 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1441 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1442 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1443 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1444 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1445 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1446}
1447
1448static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1449 struct drm_display_mode *mode)
1450{
1451 struct drm_device *dev = encoder->dev;
1452 struct amdgpu_device *adev = drm_to_adev(dev);
1453 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1454 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1455 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1456 struct hdmi_avi_infoframe frame;
1457 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1458 uint8_t *payload = buffer + 3;
1459 uint8_t *header = buffer;
1460 ssize_t err;
1461 u32 tmp;
1462
1463 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1464 if (err < 0) {
1465 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1466 return;
1467 }
1468
1469 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1470 if (err < 0) {
1471 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1472 return;
1473 }
1474
1475 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1476 payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1477 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1478 payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1479 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1480 payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1481 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1482 payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1483
1484 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1485 /* anything other than 0 */
1486 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1487 HDMI_AUDIO_INFO_LINE, 2);
1488 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1489}
1490
1491static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1492{
1493 struct drm_device *dev = encoder->dev;
1494 struct amdgpu_device *adev = drm_to_adev(dev);
1495 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1496 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1497 u32 tmp;
1498
1499 /*
1500 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1501 * Express [24MHz / target pixel clock] as an exact rational
1502 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1503 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1504 */
1505 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1506 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1507 DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1508 if (em == ATOM_ENCODER_MODE_HDMI) {
1509 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1510 DCCG_AUDIO_DTO_SEL, 0);
1511 } else if (ENCODER_MODE_IS_DP(em)) {
1512 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1513 DCCG_AUDIO_DTO_SEL, 1);
1514 }
1515 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1516 if (em == ATOM_ENCODER_MODE_HDMI) {
1517 WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1518 WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1519 } else if (ENCODER_MODE_IS_DP(em)) {
1520 WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1521 WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1522 }
1523}
1524
1525static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1526{
1527 struct drm_device *dev = encoder->dev;
1528 struct amdgpu_device *adev = drm_to_adev(dev);
1529 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1530 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1531 u32 tmp;
1532
1533 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1534 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1535 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1536
1537 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1538 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1539 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1540
1541 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1542 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1543 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1544
1545 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1546 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1547 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1548 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1549 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1550 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1551 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1552 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1553
1554 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1555 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1556 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1557
1558 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1559 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1560 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1561 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1562
1563 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1564 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1565 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1566 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1567}
1568
1569static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1570{
1571 struct drm_device *dev = encoder->dev;
1572 struct amdgpu_device *adev = drm_to_adev(dev);
1573 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1574 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1575 u32 tmp;
1576
1577 tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1578 tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1579 WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1580}
1581
1582static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1583{
1584 struct drm_device *dev = encoder->dev;
1585 struct amdgpu_device *adev = drm_to_adev(dev);
1586 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1587 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1588 u32 tmp;
1589
1590 if (enable) {
1591 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1592 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1593 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1594 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1595 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1596 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1597
1598 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1599 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1600 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1601
1602 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1603 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1604 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1605 } else {
1606 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1607 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1608 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1609 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1610 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1611 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1612
1613 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1614 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1615 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1616 }
1617}
1618
1619static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1620{
1621 struct drm_device *dev = encoder->dev;
1622 struct amdgpu_device *adev = drm_to_adev(dev);
1623 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1624 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1625 u32 tmp;
1626
1627 if (enable) {
1628 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1629 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1630 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1631
1632 tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1633 tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1634 WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1635
1636 tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1637 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1638 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1639 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1640 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1641 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1642 } else {
1643 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1644 }
1645}
1646
1647static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1648 struct drm_display_mode *mode)
1649{
1650 struct drm_device *dev = encoder->dev;
1651 struct amdgpu_device *adev = drm_to_adev(dev);
1652 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1653 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1654 struct drm_connector *connector;
1655 struct drm_connector_list_iter iter;
1656 struct amdgpu_connector *amdgpu_connector = NULL;
1657 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1658 int bpc = 8;
1659
1660 if (!dig || !dig->afmt)
1661 return;
1662
1663 drm_connector_list_iter_begin(dev, &iter);
1664 drm_for_each_connector_iter(connector, &iter) {
1665 if (connector->encoder == encoder) {
1666 amdgpu_connector = to_amdgpu_connector(connector);
1667 break;
1668 }
1669 }
1670 drm_connector_list_iter_end(&iter);
1671
1672 if (!amdgpu_connector) {
1673 DRM_ERROR("Couldn't find encoder's connector\n");
1674 return;
1675 }
1676
1677 if (!dig->afmt->enabled)
1678 return;
1679
1680 dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1681 if (!dig->afmt->pin)
1682 return;
1683
1684 if (encoder->crtc) {
1685 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1686 bpc = amdgpu_crtc->bpc;
1687 }
1688
1689 /* disable audio before setting up hw */
1690 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1691
1692 dce_v6_0_audio_set_mute(encoder, true);
1693 dce_v6_0_audio_write_speaker_allocation(encoder);
1694 dce_v6_0_audio_write_sad_regs(encoder);
1695 dce_v6_0_audio_write_latency_fields(encoder, mode);
1696 if (em == ATOM_ENCODER_MODE_HDMI) {
1697 dce_v6_0_audio_set_dto(encoder, mode->clock);
1698 dce_v6_0_audio_set_vbi_packet(encoder);
1699 dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1700 } else if (ENCODER_MODE_IS_DP(em)) {
1701 dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1702 }
1703 dce_v6_0_audio_set_packet(encoder);
1704 dce_v6_0_audio_select_pin(encoder);
1705 dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1706 dce_v6_0_audio_set_mute(encoder, false);
1707 if (em == ATOM_ENCODER_MODE_HDMI) {
1708 dce_v6_0_audio_hdmi_enable(encoder, 1);
1709 } else if (ENCODER_MODE_IS_DP(em)) {
1710 dce_v6_0_audio_dp_enable(encoder, 1);
1711 }
1712
1713 /* enable audio after setting up hw */
1714 dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1715}
1716
1717static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1718{
1719 struct drm_device *dev = encoder->dev;
1720 struct amdgpu_device *adev = drm_to_adev(dev);
1721 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1722 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1723
1724 if (!dig || !dig->afmt)
1725 return;
1726
1727 /* Silent, r600_hdmi_enable will raise WARN for us */
1728 if (enable && dig->afmt->enabled)
1729 return;
1730
1731 if (!enable && !dig->afmt->enabled)
1732 return;
1733
1734 if (!enable && dig->afmt->pin) {
1735 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1736 dig->afmt->pin = NULL;
1737 }
1738
1739 dig->afmt->enabled = enable;
1740
1741 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1742 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1743}
1744
1745static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1746{
1747 int i, j;
1748
1749 for (i = 0; i < adev->mode_info.num_dig; i++)
1750 adev->mode_info.afmt[i] = NULL;
1751
1752 /* DCE6 has audio blocks tied to DIG encoders */
1753 for (i = 0; i < adev->mode_info.num_dig; i++) {
1754 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1755 if (adev->mode_info.afmt[i]) {
1756 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1757 adev->mode_info.afmt[i]->id = i;
1758 } else {
1759 for (j = 0; j < i; j++) {
1760 kfree(adev->mode_info.afmt[j]);
1761 adev->mode_info.afmt[j] = NULL;
1762 }
1763 DRM_ERROR("Out of memory allocating afmt table\n");
1764 return -ENOMEM;
1765 }
1766 }
1767 return 0;
1768}
1769
1770static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1771{
1772 int i;
1773
1774 for (i = 0; i < adev->mode_info.num_dig; i++) {
1775 kfree(adev->mode_info.afmt[i]);
1776 adev->mode_info.afmt[i] = NULL;
1777 }
1778}
1779
1780static const u32 vga_control_regs[6] =
1781{
1782 mmD1VGA_CONTROL,
1783 mmD2VGA_CONTROL,
1784 mmD3VGA_CONTROL,
1785 mmD4VGA_CONTROL,
1786 mmD5VGA_CONTROL,
1787 mmD6VGA_CONTROL,
1788};
1789
1790static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1791{
1792 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1793 struct drm_device *dev = crtc->dev;
1794 struct amdgpu_device *adev = drm_to_adev(dev);
1795 u32 vga_control;
1796
1797 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1798 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1799}
1800
1801static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1802{
1803 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1804 struct drm_device *dev = crtc->dev;
1805 struct amdgpu_device *adev = drm_to_adev(dev);
1806
1807 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1808}
1809
1810static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1811 struct drm_framebuffer *fb,
1812 int x, int y, int atomic)
1813{
1814 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1815 struct drm_device *dev = crtc->dev;
1816 struct amdgpu_device *adev = drm_to_adev(dev);
1817 struct drm_framebuffer *target_fb;
1818 struct drm_gem_object *obj;
1819 struct amdgpu_bo *abo;
1820 uint64_t fb_location, tiling_flags;
1821 uint32_t fb_format, fb_pitch_pixels, pipe_config;
1822 u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1823 u32 viewport_w, viewport_h;
1824 int r;
1825 bool bypass_lut = false;
1826
1827 /* no fb bound */
1828 if (!atomic && !crtc->primary->fb) {
1829 DRM_DEBUG_KMS("No FB bound\n");
1830 return 0;
1831 }
1832
1833 if (atomic)
1834 target_fb = fb;
1835 else
1836 target_fb = crtc->primary->fb;
1837
1838 /* If atomic, assume fb object is pinned & idle & fenced and
1839 * just update base pointers
1840 */
1841 obj = target_fb->obj[0];
1842 abo = gem_to_amdgpu_bo(obj);
1843 r = amdgpu_bo_reserve(abo, false);
1844 if (unlikely(r != 0))
1845 return r;
1846
1847 if (!atomic) {
1848 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1849 if (unlikely(r != 0)) {
1850 amdgpu_bo_unreserve(abo);
1851 return -EINVAL;
1852 }
1853 }
1854 fb_location = amdgpu_bo_gpu_offset(abo);
1855
1856 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1857 amdgpu_bo_unreserve(abo);
1858
1859 switch (target_fb->format->format) {
1860 case DRM_FORMAT_C8:
1861 fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1862 GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1863 break;
1864 case DRM_FORMAT_XRGB4444:
1865 case DRM_FORMAT_ARGB4444:
1866 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1867 GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1868#ifdef __BIG_ENDIAN
1869 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1870#endif
1871 break;
1872 case DRM_FORMAT_XRGB1555:
1873 case DRM_FORMAT_ARGB1555:
1874 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1875 GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1876#ifdef __BIG_ENDIAN
1877 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1878#endif
1879 break;
1880 case DRM_FORMAT_BGRX5551:
1881 case DRM_FORMAT_BGRA5551:
1882 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1883 GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1884#ifdef __BIG_ENDIAN
1885 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1886#endif
1887 break;
1888 case DRM_FORMAT_RGB565:
1889 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1890 GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1891#ifdef __BIG_ENDIAN
1892 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1893#endif
1894 break;
1895 case DRM_FORMAT_XRGB8888:
1896 case DRM_FORMAT_ARGB8888:
1897 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1898 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1899#ifdef __BIG_ENDIAN
1900 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1901#endif
1902 break;
1903 case DRM_FORMAT_XRGB2101010:
1904 case DRM_FORMAT_ARGB2101010:
1905 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1906 GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1907#ifdef __BIG_ENDIAN
1908 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1909#endif
1910 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1911 bypass_lut = true;
1912 break;
1913 case DRM_FORMAT_BGRX1010102:
1914 case DRM_FORMAT_BGRA1010102:
1915 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1916 GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1917#ifdef __BIG_ENDIAN
1918 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1919#endif
1920 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1921 bypass_lut = true;
1922 break;
1923 case DRM_FORMAT_XBGR8888:
1924 case DRM_FORMAT_ABGR8888:
1925 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1926 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1927 fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1928 GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1929#ifdef __BIG_ENDIAN
1930 fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1931#endif
1932 break;
1933 default:
1934 DRM_ERROR("Unsupported screen format %p4cc\n",
1935 &target_fb->format->format);
1936 return -EINVAL;
1937 }
1938
1939 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1940 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1941
1942 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1943 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1944 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1945 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1946 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1947
1948 fb_format |= GRPH_NUM_BANKS(num_banks);
1949 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1950 fb_format |= GRPH_TILE_SPLIT(tile_split);
1951 fb_format |= GRPH_BANK_WIDTH(bankw);
1952 fb_format |= GRPH_BANK_HEIGHT(bankh);
1953 fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1954 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1955 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1956 }
1957
1958 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1959 fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1960
1961 dce_v6_0_vga_enable(crtc, false);
1962
1963 /* Make sure surface address is updated at vertical blank rather than
1964 * horizontal blank
1965 */
1966 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1967
1968 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1969 upper_32_bits(fb_location));
1970 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1971 upper_32_bits(fb_location));
1972 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1973 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1974 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1975 (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1976 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1977 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1978
1979 /*
1980 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1981 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1982 * retain the full precision throughout the pipeline.
1983 */
1984 WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
1985 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
1986 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
1987
1988 if (bypass_lut)
1989 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1990
1991 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1992 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1993 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1994 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1995 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1996 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1997
1998 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1999 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2000
2001 dce_v6_0_grph_enable(crtc, true);
2002
2003 WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2004 target_fb->height);
2005 x &= ~3;
2006 y &= ~1;
2007 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2008 (x << 16) | y);
2009 viewport_w = crtc->mode.hdisplay;
2010 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2011
2012 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2013 (viewport_w << 16) | viewport_h);
2014
2015 /* set pageflip to happen anywhere in vblank interval */
2016 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2017
2018 if (!atomic && fb && fb != crtc->primary->fb) {
2019 abo = gem_to_amdgpu_bo(fb->obj[0]);
2020 r = amdgpu_bo_reserve(abo, true);
2021 if (unlikely(r != 0))
2022 return r;
2023 amdgpu_bo_unpin(abo);
2024 amdgpu_bo_unreserve(abo);
2025 }
2026
2027 /* Bytes per pixel may have changed */
2028 dce_v6_0_bandwidth_update(adev);
2029
2030 return 0;
2031
2032}
2033
2034static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2035 struct drm_display_mode *mode)
2036{
2037 struct drm_device *dev = crtc->dev;
2038 struct amdgpu_device *adev = drm_to_adev(dev);
2039 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2040
2041 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2042 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2043 INTERLEAVE_EN);
2044 else
2045 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2046}
2047
2048static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2049{
2050
2051 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2052 struct drm_device *dev = crtc->dev;
2053 struct amdgpu_device *adev = drm_to_adev(dev);
2054 u16 *r, *g, *b;
2055 int i;
2056
2057 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2058
2059 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2060 ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2061 (0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2062 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2063 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2064 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2065 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2066 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2067 ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2068 (0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2069
2070 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2071
2072 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2073 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2074 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2075
2076 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2077 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2078 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2079
2080 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2081 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2082
2083 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2084 r = crtc->gamma_store;
2085 g = r + crtc->gamma_size;
2086 b = g + crtc->gamma_size;
2087 for (i = 0; i < 256; i++) {
2088 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2089 ((*r++ & 0xffc0) << 14) |
2090 ((*g++ & 0xffc0) << 4) |
2091 (*b++ >> 6));
2092 }
2093
2094 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2095 ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2096 (0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2097 ICON_DEGAMMA_MODE(0) |
2098 (0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2099 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2100 ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2101 (0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2102 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2103 ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2104 (0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2105 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2106 ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2107 (0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2108 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2109 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2110
2111
2112}
2113
2114static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2115{
2116 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2117 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2118
2119 switch (amdgpu_encoder->encoder_id) {
2120 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2121 return dig->linkb ? 1 : 0;
2122 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2123 return dig->linkb ? 3 : 2;
2124 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2125 return dig->linkb ? 5 : 4;
2126 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2127 return 6;
2128 default:
2129 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2130 return 0;
2131 }
2132}
2133
2134/**
2135 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2136 *
2137 * @crtc: drm crtc
2138 *
2139 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2140 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2141 * monitors a dedicated PPLL must be used. If a particular board has
2142 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2143 * as there is no need to program the PLL itself. If we are not able to
2144 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2145 * avoid messing up an existing monitor.
2146 *
2147 *
2148 */
2149static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2150{
2151 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2152 struct drm_device *dev = crtc->dev;
2153 struct amdgpu_device *adev = drm_to_adev(dev);
2154 u32 pll_in_use;
2155 int pll;
2156
2157 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2158 if (adev->clock.dp_extclk)
2159 /* skip PPLL programming if using ext clock */
2160 return ATOM_PPLL_INVALID;
2161 else
2162 return ATOM_PPLL0;
2163 } else {
2164 /* use the same PPLL for all monitors with the same clock */
2165 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2166 if (pll != ATOM_PPLL_INVALID)
2167 return pll;
2168 }
2169
2170 /* PPLL1, and PPLL2 */
2171 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2172 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2173 return ATOM_PPLL2;
2174 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2175 return ATOM_PPLL1;
2176 DRM_ERROR("unable to allocate a PPLL\n");
2177 return ATOM_PPLL_INVALID;
2178}
2179
2180static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2181{
2182 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2183 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2184 uint32_t cur_lock;
2185
2186 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2187 if (lock)
2188 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2189 else
2190 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2191 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2192}
2193
2194static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2195{
2196 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2197 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2198
2199 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2200 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2201 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2202
2203
2204}
2205
2206static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2207{
2208 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2209 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2210
2211 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2212 upper_32_bits(amdgpu_crtc->cursor_addr));
2213 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2214 lower_32_bits(amdgpu_crtc->cursor_addr));
2215
2216 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2217 CUR_CONTROL__CURSOR_EN_MASK |
2218 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2219 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2220
2221}
2222
2223static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2224 int x, int y)
2225{
2226 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2227 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2228 int xorigin = 0, yorigin = 0;
2229
2230 int w = amdgpu_crtc->cursor_width;
2231
2232 amdgpu_crtc->cursor_x = x;
2233 amdgpu_crtc->cursor_y = y;
2234
2235 /* avivo cursor are offset into the total surface */
2236 x += crtc->x;
2237 y += crtc->y;
2238 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2239
2240 if (x < 0) {
2241 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2242 x = 0;
2243 }
2244 if (y < 0) {
2245 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2246 y = 0;
2247 }
2248
2249 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2250 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2251 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2252 ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2253
2254 return 0;
2255}
2256
2257static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2258 int x, int y)
2259{
2260 int ret;
2261
2262 dce_v6_0_lock_cursor(crtc, true);
2263 ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2264 dce_v6_0_lock_cursor(crtc, false);
2265
2266 return ret;
2267}
2268
2269static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2270 struct drm_file *file_priv,
2271 uint32_t handle,
2272 uint32_t width,
2273 uint32_t height,
2274 int32_t hot_x,
2275 int32_t hot_y)
2276{
2277 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2278 struct drm_gem_object *obj;
2279 struct amdgpu_bo *aobj;
2280 int ret;
2281
2282 if (!handle) {
2283 /* turn off cursor */
2284 dce_v6_0_hide_cursor(crtc);
2285 obj = NULL;
2286 goto unpin;
2287 }
2288
2289 if ((width > amdgpu_crtc->max_cursor_width) ||
2290 (height > amdgpu_crtc->max_cursor_height)) {
2291 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2292 return -EINVAL;
2293 }
2294
2295 obj = drm_gem_object_lookup(file_priv, handle);
2296 if (!obj) {
2297 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2298 return -ENOENT;
2299 }
2300
2301 aobj = gem_to_amdgpu_bo(obj);
2302 ret = amdgpu_bo_reserve(aobj, false);
2303 if (ret != 0) {
2304 drm_gem_object_put(obj);
2305 return ret;
2306 }
2307
2308 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2309 amdgpu_bo_unreserve(aobj);
2310 if (ret) {
2311 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2312 drm_gem_object_put(obj);
2313 return ret;
2314 }
2315 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2316
2317 dce_v6_0_lock_cursor(crtc, true);
2318
2319 if (width != amdgpu_crtc->cursor_width ||
2320 height != amdgpu_crtc->cursor_height ||
2321 hot_x != amdgpu_crtc->cursor_hot_x ||
2322 hot_y != amdgpu_crtc->cursor_hot_y) {
2323 int x, y;
2324
2325 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2326 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2327
2328 dce_v6_0_cursor_move_locked(crtc, x, y);
2329
2330 amdgpu_crtc->cursor_width = width;
2331 amdgpu_crtc->cursor_height = height;
2332 amdgpu_crtc->cursor_hot_x = hot_x;
2333 amdgpu_crtc->cursor_hot_y = hot_y;
2334 }
2335
2336 dce_v6_0_show_cursor(crtc);
2337 dce_v6_0_lock_cursor(crtc, false);
2338
2339unpin:
2340 if (amdgpu_crtc->cursor_bo) {
2341 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2342 ret = amdgpu_bo_reserve(aobj, true);
2343 if (likely(ret == 0)) {
2344 amdgpu_bo_unpin(aobj);
2345 amdgpu_bo_unreserve(aobj);
2346 }
2347 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2348 }
2349
2350 amdgpu_crtc->cursor_bo = obj;
2351 return 0;
2352}
2353
2354static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2355{
2356 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2357
2358 if (amdgpu_crtc->cursor_bo) {
2359 dce_v6_0_lock_cursor(crtc, true);
2360
2361 dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2362 amdgpu_crtc->cursor_y);
2363
2364 dce_v6_0_show_cursor(crtc);
2365 dce_v6_0_lock_cursor(crtc, false);
2366 }
2367}
2368
2369static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2370 u16 *blue, uint32_t size,
2371 struct drm_modeset_acquire_ctx *ctx)
2372{
2373 dce_v6_0_crtc_load_lut(crtc);
2374
2375 return 0;
2376}
2377
2378static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2379{
2380 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2381
2382 drm_crtc_cleanup(crtc);
2383 kfree(amdgpu_crtc);
2384}
2385
2386static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2387 .cursor_set2 = dce_v6_0_crtc_cursor_set2,
2388 .cursor_move = dce_v6_0_crtc_cursor_move,
2389 .gamma_set = dce_v6_0_crtc_gamma_set,
2390 .set_config = amdgpu_display_crtc_set_config,
2391 .destroy = dce_v6_0_crtc_destroy,
2392 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2393 .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2394 .enable_vblank = amdgpu_enable_vblank_kms,
2395 .disable_vblank = amdgpu_disable_vblank_kms,
2396 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2397};
2398
2399static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2400{
2401 struct drm_device *dev = crtc->dev;
2402 struct amdgpu_device *adev = drm_to_adev(dev);
2403 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2404 unsigned type;
2405
2406 switch (mode) {
2407 case DRM_MODE_DPMS_ON:
2408 amdgpu_crtc->enabled = true;
2409 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2410 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2411 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2412 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2413 amdgpu_crtc->crtc_id);
2414 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2415 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2416 drm_crtc_vblank_on(crtc);
2417 dce_v6_0_crtc_load_lut(crtc);
2418 break;
2419 case DRM_MODE_DPMS_STANDBY:
2420 case DRM_MODE_DPMS_SUSPEND:
2421 case DRM_MODE_DPMS_OFF:
2422 drm_crtc_vblank_off(crtc);
2423 if (amdgpu_crtc->enabled)
2424 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2425 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2426 amdgpu_crtc->enabled = false;
2427 break;
2428 }
2429 /* adjust pm to dpms */
2430 amdgpu_dpm_compute_clocks(adev);
2431}
2432
2433static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2434{
2435 /* disable crtc pair power gating before programming */
2436 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2437 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2438 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2439}
2440
2441static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2442{
2443 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2444 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2445}
2446
2447static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2448{
2449
2450 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2451 struct drm_device *dev = crtc->dev;
2452 struct amdgpu_device *adev = drm_to_adev(dev);
2453 struct amdgpu_atom_ss ss;
2454 int i;
2455
2456 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2457 if (crtc->primary->fb) {
2458 int r;
2459 struct amdgpu_bo *abo;
2460
2461 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2462 r = amdgpu_bo_reserve(abo, true);
2463 if (unlikely(r))
2464 DRM_ERROR("failed to reserve abo before unpin\n");
2465 else {
2466 amdgpu_bo_unpin(abo);
2467 amdgpu_bo_unreserve(abo);
2468 }
2469 }
2470 /* disable the GRPH */
2471 dce_v6_0_grph_enable(crtc, false);
2472
2473 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2474
2475 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2476 if (adev->mode_info.crtcs[i] &&
2477 adev->mode_info.crtcs[i]->enabled &&
2478 i != amdgpu_crtc->crtc_id &&
2479 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2480 /* one other crtc is using this pll don't turn
2481 * off the pll
2482 */
2483 goto done;
2484 }
2485 }
2486
2487 switch (amdgpu_crtc->pll_id) {
2488 case ATOM_PPLL1:
2489 case ATOM_PPLL2:
2490 /* disable the ppll */
2491 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2492 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2493 break;
2494 default:
2495 break;
2496 }
2497done:
2498 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2499 amdgpu_crtc->adjusted_clock = 0;
2500 amdgpu_crtc->encoder = NULL;
2501 amdgpu_crtc->connector = NULL;
2502}
2503
2504static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2505 struct drm_display_mode *mode,
2506 struct drm_display_mode *adjusted_mode,
2507 int x, int y, struct drm_framebuffer *old_fb)
2508{
2509 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2510
2511 if (!amdgpu_crtc->adjusted_clock)
2512 return -EINVAL;
2513
2514 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2515 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2516 dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2517 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2518 amdgpu_atombios_crtc_scaler_setup(crtc);
2519 dce_v6_0_cursor_reset(crtc);
2520 /* update the hw version fpr dpm */
2521 amdgpu_crtc->hw_mode = *adjusted_mode;
2522
2523 return 0;
2524}
2525
2526static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2527 const struct drm_display_mode *mode,
2528 struct drm_display_mode *adjusted_mode)
2529{
2530
2531 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2532 struct drm_device *dev = crtc->dev;
2533 struct drm_encoder *encoder;
2534
2535 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2536 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2537 if (encoder->crtc == crtc) {
2538 amdgpu_crtc->encoder = encoder;
2539 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2540 break;
2541 }
2542 }
2543 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2544 amdgpu_crtc->encoder = NULL;
2545 amdgpu_crtc->connector = NULL;
2546 return false;
2547 }
2548 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2549 return false;
2550 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2551 return false;
2552 /* pick pll */
2553 amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2554 /* if we can't get a PPLL for a non-DP encoder, fail */
2555 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2556 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2557 return false;
2558
2559 return true;
2560}
2561
2562static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2563 struct drm_framebuffer *old_fb)
2564{
2565 return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2566}
2567
2568static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2569 struct drm_framebuffer *fb,
2570 int x, int y, enum mode_set_atomic state)
2571{
2572 return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2573}
2574
2575static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2576 .dpms = dce_v6_0_crtc_dpms,
2577 .mode_fixup = dce_v6_0_crtc_mode_fixup,
2578 .mode_set = dce_v6_0_crtc_mode_set,
2579 .mode_set_base = dce_v6_0_crtc_set_base,
2580 .mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2581 .prepare = dce_v6_0_crtc_prepare,
2582 .commit = dce_v6_0_crtc_commit,
2583 .disable = dce_v6_0_crtc_disable,
2584 .get_scanout_position = amdgpu_crtc_get_scanout_position,
2585};
2586
2587static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2588{
2589 struct amdgpu_crtc *amdgpu_crtc;
2590
2591 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2592 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2593 if (amdgpu_crtc == NULL)
2594 return -ENOMEM;
2595
2596 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2597
2598 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2599 amdgpu_crtc->crtc_id = index;
2600 adev->mode_info.crtcs[index] = amdgpu_crtc;
2601
2602 amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2603 amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2604 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2605 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2606
2607 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2608
2609 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2610 amdgpu_crtc->adjusted_clock = 0;
2611 amdgpu_crtc->encoder = NULL;
2612 amdgpu_crtc->connector = NULL;
2613 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2614
2615 return 0;
2616}
2617
2618static int dce_v6_0_early_init(void *handle)
2619{
2620 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2621
2622 adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2623 adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2624
2625 dce_v6_0_set_display_funcs(adev);
2626
2627 adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2628
2629 switch (adev->asic_type) {
2630 case CHIP_TAHITI:
2631 case CHIP_PITCAIRN:
2632 case CHIP_VERDE:
2633 adev->mode_info.num_hpd = 6;
2634 adev->mode_info.num_dig = 6;
2635 break;
2636 case CHIP_OLAND:
2637 adev->mode_info.num_hpd = 2;
2638 adev->mode_info.num_dig = 2;
2639 break;
2640 default:
2641 return -EINVAL;
2642 }
2643
2644 dce_v6_0_set_irq_funcs(adev);
2645
2646 return 0;
2647}
2648
2649static int dce_v6_0_sw_init(void *handle)
2650{
2651 int r, i;
2652 bool ret;
2653 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2654
2655 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2656 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2657 if (r)
2658 return r;
2659 }
2660
2661 for (i = 8; i < 20; i += 2) {
2662 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2663 if (r)
2664 return r;
2665 }
2666
2667 /* HPD hotplug */
2668 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2669 if (r)
2670 return r;
2671
2672 adev->mode_info.mode_config_initialized = true;
2673
2674 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2675 adev_to_drm(adev)->mode_config.async_page_flip = true;
2676 adev_to_drm(adev)->mode_config.max_width = 16384;
2677 adev_to_drm(adev)->mode_config.max_height = 16384;
2678 adev_to_drm(adev)->mode_config.preferred_depth = 24;
2679 adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2680 adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2681
2682 r = amdgpu_display_modeset_create_props(adev);
2683 if (r)
2684 return r;
2685
2686 adev_to_drm(adev)->mode_config.max_width = 16384;
2687 adev_to_drm(adev)->mode_config.max_height = 16384;
2688
2689 /* allocate crtcs */
2690 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2691 r = dce_v6_0_crtc_init(adev, i);
2692 if (r)
2693 return r;
2694 }
2695
2696 ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2697 if (ret)
2698 amdgpu_display_print_display_setup(adev_to_drm(adev));
2699 else
2700 return -EINVAL;
2701
2702 /* setup afmt */
2703 r = dce_v6_0_afmt_init(adev);
2704 if (r)
2705 return r;
2706
2707 r = dce_v6_0_audio_init(adev);
2708 if (r)
2709 return r;
2710
2711 /* Disable vblank IRQs aggressively for power-saving */
2712 /* XXX: can this be enabled for DC? */
2713 adev_to_drm(adev)->vblank_disable_immediate = true;
2714
2715 r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2716 if (r)
2717 return r;
2718
2719 /* Pre-DCE11 */
2720 INIT_DELAYED_WORK(&adev->hotplug_work,
2721 amdgpu_display_hotplug_work_func);
2722
2723 drm_kms_helper_poll_init(adev_to_drm(adev));
2724
2725 return r;
2726}
2727
2728static int dce_v6_0_sw_fini(void *handle)
2729{
2730 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2731
2732 kfree(adev->mode_info.bios_hardcoded_edid);
2733
2734 drm_kms_helper_poll_fini(adev_to_drm(adev));
2735
2736 dce_v6_0_audio_fini(adev);
2737 dce_v6_0_afmt_fini(adev);
2738
2739 drm_mode_config_cleanup(adev_to_drm(adev));
2740 adev->mode_info.mode_config_initialized = false;
2741
2742 return 0;
2743}
2744
2745static int dce_v6_0_hw_init(void *handle)
2746{
2747 int i;
2748 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2749
2750 /* disable vga render */
2751 dce_v6_0_set_vga_render_state(adev, false);
2752 /* init dig PHYs, disp eng pll */
2753 amdgpu_atombios_encoder_init_dig(adev);
2754 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2755
2756 /* initialize hpd */
2757 dce_v6_0_hpd_init(adev);
2758
2759 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2760 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2761 }
2762
2763 dce_v6_0_pageflip_interrupt_init(adev);
2764
2765 return 0;
2766}
2767
2768static int dce_v6_0_hw_fini(void *handle)
2769{
2770 int i;
2771 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2772
2773 dce_v6_0_hpd_fini(adev);
2774
2775 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2776 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2777 }
2778
2779 dce_v6_0_pageflip_interrupt_fini(adev);
2780
2781 flush_delayed_work(&adev->hotplug_work);
2782
2783 return 0;
2784}
2785
2786static int dce_v6_0_suspend(void *handle)
2787{
2788 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2789 int r;
2790
2791 r = amdgpu_display_suspend_helper(adev);
2792 if (r)
2793 return r;
2794 adev->mode_info.bl_level =
2795 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2796
2797 return dce_v6_0_hw_fini(handle);
2798}
2799
2800static int dce_v6_0_resume(void *handle)
2801{
2802 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2803 int ret;
2804
2805 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2806 adev->mode_info.bl_level);
2807
2808 ret = dce_v6_0_hw_init(handle);
2809
2810 /* turn on the BL */
2811 if (adev->mode_info.bl_encoder) {
2812 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2813 adev->mode_info.bl_encoder);
2814 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2815 bl_level);
2816 }
2817 if (ret)
2818 return ret;
2819
2820 return amdgpu_display_resume_helper(adev);
2821}
2822
2823static bool dce_v6_0_is_idle(void *handle)
2824{
2825 return true;
2826}
2827
2828static int dce_v6_0_wait_for_idle(void *handle)
2829{
2830 return 0;
2831}
2832
2833static int dce_v6_0_soft_reset(void *handle)
2834{
2835 DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2836 return 0;
2837}
2838
2839static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2840 int crtc,
2841 enum amdgpu_interrupt_state state)
2842{
2843 u32 reg_block, interrupt_mask;
2844
2845 if (crtc >= adev->mode_info.num_crtc) {
2846 DRM_DEBUG("invalid crtc %d\n", crtc);
2847 return;
2848 }
2849
2850 switch (crtc) {
2851 case 0:
2852 reg_block = SI_CRTC0_REGISTER_OFFSET;
2853 break;
2854 case 1:
2855 reg_block = SI_CRTC1_REGISTER_OFFSET;
2856 break;
2857 case 2:
2858 reg_block = SI_CRTC2_REGISTER_OFFSET;
2859 break;
2860 case 3:
2861 reg_block = SI_CRTC3_REGISTER_OFFSET;
2862 break;
2863 case 4:
2864 reg_block = SI_CRTC4_REGISTER_OFFSET;
2865 break;
2866 case 5:
2867 reg_block = SI_CRTC5_REGISTER_OFFSET;
2868 break;
2869 default:
2870 DRM_DEBUG("invalid crtc %d\n", crtc);
2871 return;
2872 }
2873
2874 switch (state) {
2875 case AMDGPU_IRQ_STATE_DISABLE:
2876 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2877 interrupt_mask &= ~VBLANK_INT_MASK;
2878 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2879 break;
2880 case AMDGPU_IRQ_STATE_ENABLE:
2881 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2882 interrupt_mask |= VBLANK_INT_MASK;
2883 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2884 break;
2885 default:
2886 break;
2887 }
2888}
2889
2890static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2891 int crtc,
2892 enum amdgpu_interrupt_state state)
2893{
2894
2895}
2896
2897static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2898 struct amdgpu_irq_src *src,
2899 unsigned type,
2900 enum amdgpu_interrupt_state state)
2901{
2902 u32 dc_hpd_int_cntl;
2903
2904 if (type >= adev->mode_info.num_hpd) {
2905 DRM_DEBUG("invalid hdp %d\n", type);
2906 return 0;
2907 }
2908
2909 switch (state) {
2910 case AMDGPU_IRQ_STATE_DISABLE:
2911 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2912 dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2913 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2914 break;
2915 case AMDGPU_IRQ_STATE_ENABLE:
2916 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2917 dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2918 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2919 break;
2920 default:
2921 break;
2922 }
2923
2924 return 0;
2925}
2926
2927static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2928 struct amdgpu_irq_src *src,
2929 unsigned type,
2930 enum amdgpu_interrupt_state state)
2931{
2932 switch (type) {
2933 case AMDGPU_CRTC_IRQ_VBLANK1:
2934 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2935 break;
2936 case AMDGPU_CRTC_IRQ_VBLANK2:
2937 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2938 break;
2939 case AMDGPU_CRTC_IRQ_VBLANK3:
2940 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2941 break;
2942 case AMDGPU_CRTC_IRQ_VBLANK4:
2943 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2944 break;
2945 case AMDGPU_CRTC_IRQ_VBLANK5:
2946 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2947 break;
2948 case AMDGPU_CRTC_IRQ_VBLANK6:
2949 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2950 break;
2951 case AMDGPU_CRTC_IRQ_VLINE1:
2952 dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2953 break;
2954 case AMDGPU_CRTC_IRQ_VLINE2:
2955 dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2956 break;
2957 case AMDGPU_CRTC_IRQ_VLINE3:
2958 dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2959 break;
2960 case AMDGPU_CRTC_IRQ_VLINE4:
2961 dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2962 break;
2963 case AMDGPU_CRTC_IRQ_VLINE5:
2964 dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2965 break;
2966 case AMDGPU_CRTC_IRQ_VLINE6:
2967 dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2968 break;
2969 default:
2970 break;
2971 }
2972 return 0;
2973}
2974
2975static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2976 struct amdgpu_irq_src *source,
2977 struct amdgpu_iv_entry *entry)
2978{
2979 unsigned crtc = entry->src_id - 1;
2980 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2981 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2982 crtc);
2983
2984 switch (entry->src_data[0]) {
2985 case 0: /* vblank */
2986 if (disp_int & interrupt_status_offsets[crtc].vblank)
2987 WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
2988 else
2989 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2990
2991 if (amdgpu_irq_enabled(adev, source, irq_type)) {
2992 drm_handle_vblank(adev_to_drm(adev), crtc);
2993 }
2994 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
2995 break;
2996 case 1: /* vline */
2997 if (disp_int & interrupt_status_offsets[crtc].vline)
2998 WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
2999 else
3000 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3001
3002 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3003 break;
3004 default:
3005 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3006 break;
3007 }
3008
3009 return 0;
3010}
3011
3012static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3013 struct amdgpu_irq_src *src,
3014 unsigned type,
3015 enum amdgpu_interrupt_state state)
3016{
3017 u32 reg;
3018
3019 if (type >= adev->mode_info.num_crtc) {
3020 DRM_ERROR("invalid pageflip crtc %d\n", type);
3021 return -EINVAL;
3022 }
3023
3024 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3025 if (state == AMDGPU_IRQ_STATE_DISABLE)
3026 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3027 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3028 else
3029 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3030 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3031
3032 return 0;
3033}
3034
3035static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
3036 struct amdgpu_irq_src *source,
3037 struct amdgpu_iv_entry *entry)
3038{
3039 unsigned long flags;
3040 unsigned crtc_id;
3041 struct amdgpu_crtc *amdgpu_crtc;
3042 struct amdgpu_flip_work *works;
3043
3044 crtc_id = (entry->src_id - 8) >> 1;
3045 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3046
3047 if (crtc_id >= adev->mode_info.num_crtc) {
3048 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3049 return -EINVAL;
3050 }
3051
3052 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3053 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3054 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3055 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3056
3057 /* IRQ could occur when in initial stage */
3058 if (amdgpu_crtc == NULL)
3059 return 0;
3060
3061 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3062 works = amdgpu_crtc->pflip_works;
3063 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3064 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3065 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3066 amdgpu_crtc->pflip_status,
3067 AMDGPU_FLIP_SUBMITTED);
3068 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3069 return 0;
3070 }
3071
3072 /* page flip completed. clean up */
3073 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3074 amdgpu_crtc->pflip_works = NULL;
3075
3076 /* wakeup usersapce */
3077 if (works->event)
3078 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3079
3080 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3081
3082 drm_crtc_vblank_put(&amdgpu_crtc->base);
3083 schedule_work(&works->unpin_work);
3084
3085 return 0;
3086}
3087
3088static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3089 struct amdgpu_irq_src *source,
3090 struct amdgpu_iv_entry *entry)
3091{
3092 uint32_t disp_int, mask, tmp;
3093 unsigned hpd;
3094
3095 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3096 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3097 return 0;
3098 }
3099
3100 hpd = entry->src_data[0];
3101 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3102 mask = interrupt_status_offsets[hpd].hpd;
3103
3104 if (disp_int & mask) {
3105 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
3106 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
3107 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
3108 schedule_delayed_work(&adev->hotplug_work, 0);
3109 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3110 }
3111
3112 return 0;
3113
3114}
3115
3116static int dce_v6_0_set_clockgating_state(void *handle,
3117 enum amd_clockgating_state state)
3118{
3119 return 0;
3120}
3121
3122static int dce_v6_0_set_powergating_state(void *handle,
3123 enum amd_powergating_state state)
3124{
3125 return 0;
3126}
3127
3128static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3129 .name = "dce_v6_0",
3130 .early_init = dce_v6_0_early_init,
3131 .late_init = NULL,
3132 .sw_init = dce_v6_0_sw_init,
3133 .sw_fini = dce_v6_0_sw_fini,
3134 .hw_init = dce_v6_0_hw_init,
3135 .hw_fini = dce_v6_0_hw_fini,
3136 .suspend = dce_v6_0_suspend,
3137 .resume = dce_v6_0_resume,
3138 .is_idle = dce_v6_0_is_idle,
3139 .wait_for_idle = dce_v6_0_wait_for_idle,
3140 .soft_reset = dce_v6_0_soft_reset,
3141 .set_clockgating_state = dce_v6_0_set_clockgating_state,
3142 .set_powergating_state = dce_v6_0_set_powergating_state,
3143};
3144
3145static void
3146dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3147 struct drm_display_mode *mode,
3148 struct drm_display_mode *adjusted_mode)
3149{
3150
3151 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3152 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3153
3154 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3155
3156 /* need to call this here rather than in prepare() since we need some crtc info */
3157 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3158
3159 /* set scaler clears this on some chips */
3160 dce_v6_0_set_interleave(encoder->crtc, mode);
3161
3162 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3163 dce_v6_0_afmt_enable(encoder, true);
3164 dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3165 }
3166}
3167
3168static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3169{
3170
3171 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3172 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3173 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3174
3175 if ((amdgpu_encoder->active_device &
3176 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3177 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3178 ENCODER_OBJECT_ID_NONE)) {
3179 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3180 if (dig) {
3181 dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3182 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3183 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3184 }
3185 }
3186
3187 amdgpu_atombios_scratch_regs_lock(adev, true);
3188
3189 if (connector) {
3190 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3191
3192 /* select the clock/data port if it uses a router */
3193 if (amdgpu_connector->router.cd_valid)
3194 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3195
3196 /* turn eDP panel on for mode set */
3197 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3198 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3199 ATOM_TRANSMITTER_ACTION_POWER_ON);
3200 }
3201
3202 /* this is needed for the pll/ss setup to work correctly in some cases */
3203 amdgpu_atombios_encoder_set_crtc_source(encoder);
3204 /* set up the FMT blocks */
3205 dce_v6_0_program_fmt(encoder);
3206}
3207
3208static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3209{
3210
3211 struct drm_device *dev = encoder->dev;
3212 struct amdgpu_device *adev = drm_to_adev(dev);
3213
3214 /* need to call this here as we need the crtc set up */
3215 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3216 amdgpu_atombios_scratch_regs_lock(adev, false);
3217}
3218
3219static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3220{
3221
3222 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3223 struct amdgpu_encoder_atom_dig *dig;
3224 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3225
3226 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3227
3228 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3229 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3230 dce_v6_0_afmt_enable(encoder, false);
3231 dig = amdgpu_encoder->enc_priv;
3232 dig->dig_encoder = -1;
3233 }
3234 amdgpu_encoder->active_device = 0;
3235}
3236
3237/* these are handled by the primary encoders */
3238static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3239{
3240
3241}
3242
3243static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3244{
3245
3246}
3247
3248static void
3249dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3250 struct drm_display_mode *mode,
3251 struct drm_display_mode *adjusted_mode)
3252{
3253
3254}
3255
3256static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3257{
3258
3259}
3260
3261static void
3262dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3263{
3264
3265}
3266
3267static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3268 const struct drm_display_mode *mode,
3269 struct drm_display_mode *adjusted_mode)
3270{
3271 return true;
3272}
3273
3274static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3275 .dpms = dce_v6_0_ext_dpms,
3276 .mode_fixup = dce_v6_0_ext_mode_fixup,
3277 .prepare = dce_v6_0_ext_prepare,
3278 .mode_set = dce_v6_0_ext_mode_set,
3279 .commit = dce_v6_0_ext_commit,
3280 .disable = dce_v6_0_ext_disable,
3281 /* no detect for TMDS/LVDS yet */
3282};
3283
3284static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3285 .dpms = amdgpu_atombios_encoder_dpms,
3286 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3287 .prepare = dce_v6_0_encoder_prepare,
3288 .mode_set = dce_v6_0_encoder_mode_set,
3289 .commit = dce_v6_0_encoder_commit,
3290 .disable = dce_v6_0_encoder_disable,
3291 .detect = amdgpu_atombios_encoder_dig_detect,
3292};
3293
3294static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3295 .dpms = amdgpu_atombios_encoder_dpms,
3296 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3297 .prepare = dce_v6_0_encoder_prepare,
3298 .mode_set = dce_v6_0_encoder_mode_set,
3299 .commit = dce_v6_0_encoder_commit,
3300 .detect = amdgpu_atombios_encoder_dac_detect,
3301};
3302
3303static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3304{
3305 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3306 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3307 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3308 kfree(amdgpu_encoder->enc_priv);
3309 drm_encoder_cleanup(encoder);
3310 kfree(amdgpu_encoder);
3311}
3312
3313static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3314 .destroy = dce_v6_0_encoder_destroy,
3315};
3316
3317static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3318 uint32_t encoder_enum,
3319 uint32_t supported_device,
3320 u16 caps)
3321{
3322 struct drm_device *dev = adev_to_drm(adev);
3323 struct drm_encoder *encoder;
3324 struct amdgpu_encoder *amdgpu_encoder;
3325
3326 /* see if we already added it */
3327 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3328 amdgpu_encoder = to_amdgpu_encoder(encoder);
3329 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3330 amdgpu_encoder->devices |= supported_device;
3331 return;
3332 }
3333
3334 }
3335
3336 /* add a new one */
3337 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3338 if (!amdgpu_encoder)
3339 return;
3340
3341 encoder = &amdgpu_encoder->base;
3342 switch (adev->mode_info.num_crtc) {
3343 case 1:
3344 encoder->possible_crtcs = 0x1;
3345 break;
3346 case 2:
3347 default:
3348 encoder->possible_crtcs = 0x3;
3349 break;
3350 case 4:
3351 encoder->possible_crtcs = 0xf;
3352 break;
3353 case 6:
3354 encoder->possible_crtcs = 0x3f;
3355 break;
3356 }
3357
3358 amdgpu_encoder->enc_priv = NULL;
3359 amdgpu_encoder->encoder_enum = encoder_enum;
3360 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3361 amdgpu_encoder->devices = supported_device;
3362 amdgpu_encoder->rmx_type = RMX_OFF;
3363 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3364 amdgpu_encoder->is_ext_encoder = false;
3365 amdgpu_encoder->caps = caps;
3366
3367 switch (amdgpu_encoder->encoder_id) {
3368 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3369 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3370 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3371 DRM_MODE_ENCODER_DAC, NULL);
3372 drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3373 break;
3374 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3375 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3376 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3377 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3378 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3379 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3380 amdgpu_encoder->rmx_type = RMX_FULL;
3381 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3382 DRM_MODE_ENCODER_LVDS, NULL);
3383 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3384 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3385 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3386 DRM_MODE_ENCODER_DAC, NULL);
3387 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3388 } else {
3389 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3390 DRM_MODE_ENCODER_TMDS, NULL);
3391 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3392 }
3393 drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3394 break;
3395 case ENCODER_OBJECT_ID_SI170B:
3396 case ENCODER_OBJECT_ID_CH7303:
3397 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3398 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3399 case ENCODER_OBJECT_ID_TITFP513:
3400 case ENCODER_OBJECT_ID_VT1623:
3401 case ENCODER_OBJECT_ID_HDMI_SI1930:
3402 case ENCODER_OBJECT_ID_TRAVIS:
3403 case ENCODER_OBJECT_ID_NUTMEG:
3404 /* these are handled by the primary encoders */
3405 amdgpu_encoder->is_ext_encoder = true;
3406 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3407 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3408 DRM_MODE_ENCODER_LVDS, NULL);
3409 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3410 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3411 DRM_MODE_ENCODER_DAC, NULL);
3412 else
3413 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3414 DRM_MODE_ENCODER_TMDS, NULL);
3415 drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3416 break;
3417 }
3418}
3419
3420static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3421 .bandwidth_update = &dce_v6_0_bandwidth_update,
3422 .vblank_get_counter = &dce_v6_0_vblank_get_counter,
3423 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3424 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3425 .hpd_sense = &dce_v6_0_hpd_sense,
3426 .hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3427 .hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3428 .page_flip = &dce_v6_0_page_flip,
3429 .page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3430 .add_encoder = &dce_v6_0_encoder_add,
3431 .add_connector = &amdgpu_connector_add,
3432};
3433
3434static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3435{
3436 adev->mode_info.funcs = &dce_v6_0_display_funcs;
3437}
3438
3439static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3440 .set = dce_v6_0_set_crtc_interrupt_state,
3441 .process = dce_v6_0_crtc_irq,
3442};
3443
3444static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3445 .set = dce_v6_0_set_pageflip_interrupt_state,
3446 .process = dce_v6_0_pageflip_irq,
3447};
3448
3449static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3450 .set = dce_v6_0_set_hpd_interrupt_state,
3451 .process = dce_v6_0_hpd_irq,
3452};
3453
3454static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3455{
3456 if (adev->mode_info.num_crtc > 0)
3457 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3458 else
3459 adev->crtc_irq.num_types = 0;
3460 adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3461
3462 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3463 adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3464
3465 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3466 adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3467}
3468
3469const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3470{
3471 .type = AMD_IP_BLOCK_TYPE_DCE,
3472 .major = 6,
3473 .minor = 0,
3474 .rev = 0,
3475 .funcs = &dce_v6_0_ip_funcs,
3476};
3477
3478const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3479{
3480 .type = AMD_IP_BLOCK_TYPE_DCE,
3481 .major = 6,
3482 .minor = 4,
3483 .rev = 0,
3484 .funcs = &dce_v6_0_ip_funcs,
3485};