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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_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};
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 u32 tmp;
285
286 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
287 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
288
289 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
290 continue;
291
292 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
293 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
294 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
295
296 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
297 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
298 /* don't try to enable hpd on eDP or LVDS avoid breaking the
299 * aux dp channel on imac and help (but not completely fix)
300 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
301 * also avoid interrupt storms during dpms.
302 */
303 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
304 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
305 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
306 continue;
307 }
308
309 dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
310 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
311 }
312
313}
314
315/**
316 * dce_v6_0_hpd_fini - hpd tear down callback.
317 *
318 * @adev: amdgpu_device pointer
319 *
320 * Tear down the hpd pins used by the card (evergreen+).
321 * Disable the hpd interrupts.
322 */
323static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
324{
325 struct drm_device *dev = adev->ddev;
326 struct drm_connector *connector;
327 u32 tmp;
328
329 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
330 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
331
332 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
333 continue;
334
335 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
336 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
337 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], 0);
338
339 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
340 }
341}
342
343static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
344{
345 return mmDC_GPIO_HPD_A;
346}
347
348static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
349 bool render)
350{
351 if (!render)
352 WREG32(mmVGA_RENDER_CONTROL,
353 RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
354
355}
356
357static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
358{
359 switch (adev->asic_type) {
360 case CHIP_TAHITI:
361 case CHIP_PITCAIRN:
362 case CHIP_VERDE:
363 return 6;
364 case CHIP_OLAND:
365 return 2;
366 default:
367 return 0;
368 }
369}
370
371void dce_v6_0_disable_dce(struct amdgpu_device *adev)
372{
373 /*Disable VGA render and enabled crtc, if has DCE engine*/
374 if (amdgpu_atombios_has_dce_engine_info(adev)) {
375 u32 tmp;
376 int crtc_enabled, i;
377
378 dce_v6_0_set_vga_render_state(adev, false);
379
380 /*Disable crtc*/
381 for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
382 crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
383 CRTC_CONTROL__CRTC_MASTER_EN_MASK;
384 if (crtc_enabled) {
385 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
386 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
387 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
388 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
389 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
390 }
391 }
392 }
393}
394
395static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
396{
397
398 struct drm_device *dev = encoder->dev;
399 struct amdgpu_device *adev = dev->dev_private;
400 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
401 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
402 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
403 int bpc = 0;
404 u32 tmp = 0;
405 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
406
407 if (connector) {
408 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
409 bpc = amdgpu_connector_get_monitor_bpc(connector);
410 dither = amdgpu_connector->dither;
411 }
412
413 /* LVDS FMT is set up by atom */
414 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
415 return;
416
417 if (bpc == 0)
418 return;
419
420
421 switch (bpc) {
422 case 6:
423 if (dither == AMDGPU_FMT_DITHER_ENABLE)
424 /* XXX sort out optimal dither settings */
425 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
426 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
427 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
428 else
429 tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
430 break;
431 case 8:
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_RGB_RANDOM_ENABLE_MASK |
437 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
438 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
439 else
440 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
441 FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
442 break;
443 case 10:
444 default:
445 /* not needed */
446 break;
447 }
448
449 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
450}
451
452/**
453 * cik_get_number_of_dram_channels - get the number of dram channels
454 *
455 * @adev: amdgpu_device pointer
456 *
457 * Look up the number of video ram channels (CIK).
458 * Used for display watermark bandwidth calculations
459 * Returns the number of dram channels
460 */
461static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
462{
463 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
464
465 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
466 case 0:
467 default:
468 return 1;
469 case 1:
470 return 2;
471 case 2:
472 return 4;
473 case 3:
474 return 8;
475 case 4:
476 return 3;
477 case 5:
478 return 6;
479 case 6:
480 return 10;
481 case 7:
482 return 12;
483 case 8:
484 return 16;
485 }
486}
487
488struct dce6_wm_params {
489 u32 dram_channels; /* number of dram channels */
490 u32 yclk; /* bandwidth per dram data pin in kHz */
491 u32 sclk; /* engine clock in kHz */
492 u32 disp_clk; /* display clock in kHz */
493 u32 src_width; /* viewport width */
494 u32 active_time; /* active display time in ns */
495 u32 blank_time; /* blank time in ns */
496 bool interlaced; /* mode is interlaced */
497 fixed20_12 vsc; /* vertical scale ratio */
498 u32 num_heads; /* number of active crtcs */
499 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
500 u32 lb_size; /* line buffer allocated to pipe */
501 u32 vtaps; /* vertical scaler taps */
502};
503
504/**
505 * dce_v6_0_dram_bandwidth - get the dram bandwidth
506 *
507 * @wm: watermark calculation data
508 *
509 * Calculate the raw dram bandwidth (CIK).
510 * Used for display watermark bandwidth calculations
511 * Returns the dram bandwidth in MBytes/s
512 */
513static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
514{
515 /* Calculate raw DRAM Bandwidth */
516 fixed20_12 dram_efficiency; /* 0.7 */
517 fixed20_12 yclk, dram_channels, bandwidth;
518 fixed20_12 a;
519
520 a.full = dfixed_const(1000);
521 yclk.full = dfixed_const(wm->yclk);
522 yclk.full = dfixed_div(yclk, a);
523 dram_channels.full = dfixed_const(wm->dram_channels * 4);
524 a.full = dfixed_const(10);
525 dram_efficiency.full = dfixed_const(7);
526 dram_efficiency.full = dfixed_div(dram_efficiency, a);
527 bandwidth.full = dfixed_mul(dram_channels, yclk);
528 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
529
530 return dfixed_trunc(bandwidth);
531}
532
533/**
534 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
535 *
536 * @wm: watermark calculation data
537 *
538 * Calculate the dram bandwidth used for display (CIK).
539 * Used for display watermark bandwidth calculations
540 * Returns the dram bandwidth for display in MBytes/s
541 */
542static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
543{
544 /* Calculate DRAM Bandwidth and the part allocated to display. */
545 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
546 fixed20_12 yclk, dram_channels, bandwidth;
547 fixed20_12 a;
548
549 a.full = dfixed_const(1000);
550 yclk.full = dfixed_const(wm->yclk);
551 yclk.full = dfixed_div(yclk, a);
552 dram_channels.full = dfixed_const(wm->dram_channels * 4);
553 a.full = dfixed_const(10);
554 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
555 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
556 bandwidth.full = dfixed_mul(dram_channels, yclk);
557 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
558
559 return dfixed_trunc(bandwidth);
560}
561
562/**
563 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
564 *
565 * @wm: watermark calculation data
566 *
567 * Calculate the data return bandwidth used for display (CIK).
568 * Used for display watermark bandwidth calculations
569 * Returns the data return bandwidth in MBytes/s
570 */
571static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
572{
573 /* Calculate the display Data return Bandwidth */
574 fixed20_12 return_efficiency; /* 0.8 */
575 fixed20_12 sclk, bandwidth;
576 fixed20_12 a;
577
578 a.full = dfixed_const(1000);
579 sclk.full = dfixed_const(wm->sclk);
580 sclk.full = dfixed_div(sclk, a);
581 a.full = dfixed_const(10);
582 return_efficiency.full = dfixed_const(8);
583 return_efficiency.full = dfixed_div(return_efficiency, a);
584 a.full = dfixed_const(32);
585 bandwidth.full = dfixed_mul(a, sclk);
586 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
587
588 return dfixed_trunc(bandwidth);
589}
590
591/**
592 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
593 *
594 * @wm: watermark calculation data
595 *
596 * Calculate the dmif bandwidth used for display (CIK).
597 * Used for display watermark bandwidth calculations
598 * Returns the dmif bandwidth in MBytes/s
599 */
600static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
601{
602 /* Calculate the DMIF Request Bandwidth */
603 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
604 fixed20_12 disp_clk, bandwidth;
605 fixed20_12 a, b;
606
607 a.full = dfixed_const(1000);
608 disp_clk.full = dfixed_const(wm->disp_clk);
609 disp_clk.full = dfixed_div(disp_clk, a);
610 a.full = dfixed_const(32);
611 b.full = dfixed_mul(a, disp_clk);
612
613 a.full = dfixed_const(10);
614 disp_clk_request_efficiency.full = dfixed_const(8);
615 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
616
617 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
618
619 return dfixed_trunc(bandwidth);
620}
621
622/**
623 * dce_v6_0_available_bandwidth - get the min available bandwidth
624 *
625 * @wm: watermark calculation data
626 *
627 * Calculate the min available bandwidth used for display (CIK).
628 * Used for display watermark bandwidth calculations
629 * Returns the min available bandwidth in MBytes/s
630 */
631static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
632{
633 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
634 u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
635 u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
636 u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
637
638 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
639}
640
641/**
642 * dce_v6_0_average_bandwidth - get the average available bandwidth
643 *
644 * @wm: watermark calculation data
645 *
646 * Calculate the average available bandwidth used for display (CIK).
647 * Used for display watermark bandwidth calculations
648 * Returns the average available bandwidth in MBytes/s
649 */
650static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
651{
652 /* Calculate the display mode Average Bandwidth
653 * DisplayMode should contain the source and destination dimensions,
654 * timing, etc.
655 */
656 fixed20_12 bpp;
657 fixed20_12 line_time;
658 fixed20_12 src_width;
659 fixed20_12 bandwidth;
660 fixed20_12 a;
661
662 a.full = dfixed_const(1000);
663 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
664 line_time.full = dfixed_div(line_time, a);
665 bpp.full = dfixed_const(wm->bytes_per_pixel);
666 src_width.full = dfixed_const(wm->src_width);
667 bandwidth.full = dfixed_mul(src_width, bpp);
668 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
669 bandwidth.full = dfixed_div(bandwidth, line_time);
670
671 return dfixed_trunc(bandwidth);
672}
673
674/**
675 * dce_v6_0_latency_watermark - get the latency watermark
676 *
677 * @wm: watermark calculation data
678 *
679 * Calculate the latency watermark (CIK).
680 * Used for display watermark bandwidth calculations
681 * Returns the latency watermark in ns
682 */
683static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
684{
685 /* First calculate the latency in ns */
686 u32 mc_latency = 2000; /* 2000 ns. */
687 u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
688 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
689 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
690 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
691 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
692 (wm->num_heads * cursor_line_pair_return_time);
693 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
694 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
695 u32 tmp, dmif_size = 12288;
696 fixed20_12 a, b, c;
697
698 if (wm->num_heads == 0)
699 return 0;
700
701 a.full = dfixed_const(2);
702 b.full = dfixed_const(1);
703 if ((wm->vsc.full > a.full) ||
704 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
705 (wm->vtaps >= 5) ||
706 ((wm->vsc.full >= a.full) && wm->interlaced))
707 max_src_lines_per_dst_line = 4;
708 else
709 max_src_lines_per_dst_line = 2;
710
711 a.full = dfixed_const(available_bandwidth);
712 b.full = dfixed_const(wm->num_heads);
713 a.full = dfixed_div(a, b);
714 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
715 tmp = min(dfixed_trunc(a), tmp);
716
717 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
718
719 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
720 b.full = dfixed_const(1000);
721 c.full = dfixed_const(lb_fill_bw);
722 b.full = dfixed_div(c, b);
723 a.full = dfixed_div(a, b);
724 line_fill_time = dfixed_trunc(a);
725
726 if (line_fill_time < wm->active_time)
727 return latency;
728 else
729 return latency + (line_fill_time - wm->active_time);
730
731}
732
733/**
734 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
735 * average and available dram bandwidth
736 *
737 * @wm: watermark calculation data
738 *
739 * Check if the display average bandwidth fits in the display
740 * dram bandwidth (CIK).
741 * Used for display watermark bandwidth calculations
742 * Returns true if the display fits, false if not.
743 */
744static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
745{
746 if (dce_v6_0_average_bandwidth(wm) <=
747 (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
748 return true;
749 else
750 return false;
751}
752
753/**
754 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
755 * average and available bandwidth
756 *
757 * @wm: watermark calculation data
758 *
759 * Check if the display average bandwidth fits in the display
760 * available bandwidth (CIK).
761 * Used for display watermark bandwidth calculations
762 * Returns true if the display fits, false if not.
763 */
764static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
765{
766 if (dce_v6_0_average_bandwidth(wm) <=
767 (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
768 return true;
769 else
770 return false;
771}
772
773/**
774 * dce_v6_0_check_latency_hiding - check latency hiding
775 *
776 * @wm: watermark calculation data
777 *
778 * Check latency hiding (CIK).
779 * Used for display watermark bandwidth calculations
780 * Returns true if the display fits, false if not.
781 */
782static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
783{
784 u32 lb_partitions = wm->lb_size / wm->src_width;
785 u32 line_time = wm->active_time + wm->blank_time;
786 u32 latency_tolerant_lines;
787 u32 latency_hiding;
788 fixed20_12 a;
789
790 a.full = dfixed_const(1);
791 if (wm->vsc.full > a.full)
792 latency_tolerant_lines = 1;
793 else {
794 if (lb_partitions <= (wm->vtaps + 1))
795 latency_tolerant_lines = 1;
796 else
797 latency_tolerant_lines = 2;
798 }
799
800 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
801
802 if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
803 return true;
804 else
805 return false;
806}
807
808/**
809 * dce_v6_0_program_watermarks - program display watermarks
810 *
811 * @adev: amdgpu_device pointer
812 * @amdgpu_crtc: the selected display controller
813 * @lb_size: line buffer size
814 * @num_heads: number of display controllers in use
815 *
816 * Calculate and program the display watermarks for the
817 * selected display controller (CIK).
818 */
819static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
820 struct amdgpu_crtc *amdgpu_crtc,
821 u32 lb_size, u32 num_heads)
822{
823 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
824 struct dce6_wm_params wm_low, wm_high;
825 u32 dram_channels;
826 u32 active_time;
827 u32 line_time = 0;
828 u32 latency_watermark_a = 0, latency_watermark_b = 0;
829 u32 priority_a_mark = 0, priority_b_mark = 0;
830 u32 priority_a_cnt = PRIORITY_OFF;
831 u32 priority_b_cnt = PRIORITY_OFF;
832 u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
833 fixed20_12 a, b, c;
834
835 if (amdgpu_crtc->base.enabled && num_heads && mode) {
836 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
837 (u32)mode->clock);
838 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
839 (u32)mode->clock);
840 line_time = min(line_time, (u32)65535);
841 priority_a_cnt = 0;
842 priority_b_cnt = 0;
843
844 dram_channels = si_get_number_of_dram_channels(adev);
845
846 /* watermark for high clocks */
847 if (adev->pm.dpm_enabled) {
848 wm_high.yclk =
849 amdgpu_dpm_get_mclk(adev, false) * 10;
850 wm_high.sclk =
851 amdgpu_dpm_get_sclk(adev, false) * 10;
852 } else {
853 wm_high.yclk = adev->pm.current_mclk * 10;
854 wm_high.sclk = adev->pm.current_sclk * 10;
855 }
856
857 wm_high.disp_clk = mode->clock;
858 wm_high.src_width = mode->crtc_hdisplay;
859 wm_high.active_time = active_time;
860 wm_high.blank_time = line_time - wm_high.active_time;
861 wm_high.interlaced = false;
862 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
863 wm_high.interlaced = true;
864 wm_high.vsc = amdgpu_crtc->vsc;
865 wm_high.vtaps = 1;
866 if (amdgpu_crtc->rmx_type != RMX_OFF)
867 wm_high.vtaps = 2;
868 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
869 wm_high.lb_size = lb_size;
870 wm_high.dram_channels = dram_channels;
871 wm_high.num_heads = num_heads;
872
873 if (adev->pm.dpm_enabled) {
874 /* watermark for low clocks */
875 wm_low.yclk =
876 amdgpu_dpm_get_mclk(adev, true) * 10;
877 wm_low.sclk =
878 amdgpu_dpm_get_sclk(adev, true) * 10;
879 } else {
880 wm_low.yclk = adev->pm.current_mclk * 10;
881 wm_low.sclk = adev->pm.current_sclk * 10;
882 }
883
884 wm_low.disp_clk = mode->clock;
885 wm_low.src_width = mode->crtc_hdisplay;
886 wm_low.active_time = active_time;
887 wm_low.blank_time = line_time - wm_low.active_time;
888 wm_low.interlaced = false;
889 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
890 wm_low.interlaced = true;
891 wm_low.vsc = amdgpu_crtc->vsc;
892 wm_low.vtaps = 1;
893 if (amdgpu_crtc->rmx_type != RMX_OFF)
894 wm_low.vtaps = 2;
895 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
896 wm_low.lb_size = lb_size;
897 wm_low.dram_channels = dram_channels;
898 wm_low.num_heads = num_heads;
899
900 /* set for high clocks */
901 latency_watermark_a = min(dce_v6_0_latency_watermark(&wm_high), (u32)65535);
902 /* set for low clocks */
903 latency_watermark_b = min(dce_v6_0_latency_watermark(&wm_low), (u32)65535);
904
905 /* possibly force display priority to high */
906 /* should really do this at mode validation time... */
907 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
908 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
909 !dce_v6_0_check_latency_hiding(&wm_high) ||
910 (adev->mode_info.disp_priority == 2)) {
911 DRM_DEBUG_KMS("force priority to high\n");
912 priority_a_cnt |= PRIORITY_ALWAYS_ON;
913 priority_b_cnt |= PRIORITY_ALWAYS_ON;
914 }
915 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
916 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
917 !dce_v6_0_check_latency_hiding(&wm_low) ||
918 (adev->mode_info.disp_priority == 2)) {
919 DRM_DEBUG_KMS("force priority to high\n");
920 priority_a_cnt |= PRIORITY_ALWAYS_ON;
921 priority_b_cnt |= PRIORITY_ALWAYS_ON;
922 }
923
924 a.full = dfixed_const(1000);
925 b.full = dfixed_const(mode->clock);
926 b.full = dfixed_div(b, a);
927 c.full = dfixed_const(latency_watermark_a);
928 c.full = dfixed_mul(c, b);
929 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
930 c.full = dfixed_div(c, a);
931 a.full = dfixed_const(16);
932 c.full = dfixed_div(c, a);
933 priority_a_mark = dfixed_trunc(c);
934 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
935
936 a.full = dfixed_const(1000);
937 b.full = dfixed_const(mode->clock);
938 b.full = dfixed_div(b, a);
939 c.full = dfixed_const(latency_watermark_b);
940 c.full = dfixed_mul(c, b);
941 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
942 c.full = dfixed_div(c, a);
943 a.full = dfixed_const(16);
944 c.full = dfixed_div(c, a);
945 priority_b_mark = dfixed_trunc(c);
946 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
947
948 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
949 }
950
951 /* select wm A */
952 arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
953 tmp = arb_control3;
954 tmp &= ~LATENCY_WATERMARK_MASK(3);
955 tmp |= LATENCY_WATERMARK_MASK(1);
956 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
957 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
958 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
959 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
960 /* select wm B */
961 tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
962 tmp &= ~LATENCY_WATERMARK_MASK(3);
963 tmp |= LATENCY_WATERMARK_MASK(2);
964 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
965 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
966 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
967 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
968 /* restore original selection */
969 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
970
971 /* write the priority marks */
972 WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
973 WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
974
975 /* save values for DPM */
976 amdgpu_crtc->line_time = line_time;
977 amdgpu_crtc->wm_high = latency_watermark_a;
978
979 /* Save number of lines the linebuffer leads before the scanout */
980 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
981}
982
983/* watermark setup */
984static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
985 struct amdgpu_crtc *amdgpu_crtc,
986 struct drm_display_mode *mode,
987 struct drm_display_mode *other_mode)
988{
989 u32 tmp, buffer_alloc, i;
990 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
991 /*
992 * Line Buffer Setup
993 * There are 3 line buffers, each one shared by 2 display controllers.
994 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
995 * the display controllers. The paritioning is done via one of four
996 * preset allocations specified in bits 21:20:
997 * 0 - half lb
998 * 2 - whole lb, other crtc must be disabled
999 */
1000 /* this can get tricky if we have two large displays on a paired group
1001 * of crtcs. Ideally for multiple large displays we'd assign them to
1002 * non-linked crtcs for maximum line buffer allocation.
1003 */
1004 if (amdgpu_crtc->base.enabled && mode) {
1005 if (other_mode) {
1006 tmp = 0; /* 1/2 */
1007 buffer_alloc = 1;
1008 } else {
1009 tmp = 2; /* whole */
1010 buffer_alloc = 2;
1011 }
1012 } else {
1013 tmp = 0;
1014 buffer_alloc = 0;
1015 }
1016
1017 WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1018 DC_LB_MEMORY_CONFIG(tmp));
1019
1020 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1021 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1022 for (i = 0; i < adev->usec_timeout; i++) {
1023 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1024 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1025 break;
1026 udelay(1);
1027 }
1028
1029 if (amdgpu_crtc->base.enabled && mode) {
1030 switch (tmp) {
1031 case 0:
1032 default:
1033 return 4096 * 2;
1034 case 2:
1035 return 8192 * 2;
1036 }
1037 }
1038
1039 /* controller not enabled, so no lb used */
1040 return 0;
1041}
1042
1043
1044/**
1045 *
1046 * dce_v6_0_bandwidth_update - program display watermarks
1047 *
1048 * @adev: amdgpu_device pointer
1049 *
1050 * Calculate and program the display watermarks and line
1051 * buffer allocation (CIK).
1052 */
1053static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1054{
1055 struct drm_display_mode *mode0 = NULL;
1056 struct drm_display_mode *mode1 = NULL;
1057 u32 num_heads = 0, lb_size;
1058 int i;
1059
1060 if (!adev->mode_info.mode_config_initialized)
1061 return;
1062
1063 amdgpu_display_update_priority(adev);
1064
1065 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1066 if (adev->mode_info.crtcs[i]->base.enabled)
1067 num_heads++;
1068 }
1069 for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1070 mode0 = &adev->mode_info.crtcs[i]->base.mode;
1071 mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1072 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1073 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1074 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1075 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1076 }
1077}
1078
1079static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1080{
1081 int i;
1082 u32 tmp;
1083
1084 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1085 tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1086 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1087 if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1088 PORT_CONNECTIVITY))
1089 adev->mode_info.audio.pin[i].connected = false;
1090 else
1091 adev->mode_info.audio.pin[i].connected = true;
1092 }
1093
1094}
1095
1096static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1097{
1098 int i;
1099
1100 dce_v6_0_audio_get_connected_pins(adev);
1101
1102 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1103 if (adev->mode_info.audio.pin[i].connected)
1104 return &adev->mode_info.audio.pin[i];
1105 }
1106 DRM_ERROR("No connected audio pins found!\n");
1107 return NULL;
1108}
1109
1110static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1111{
1112 struct amdgpu_device *adev = encoder->dev->dev_private;
1113 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1114 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1115
1116 if (!dig || !dig->afmt || !dig->afmt->pin)
1117 return;
1118
1119 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1120 REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1121 dig->afmt->pin->id));
1122}
1123
1124static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1125 struct drm_display_mode *mode)
1126{
1127 struct amdgpu_device *adev = encoder->dev->dev_private;
1128 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1129 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1130 struct drm_connector *connector;
1131 struct amdgpu_connector *amdgpu_connector = NULL;
1132 int interlace = 0;
1133 u32 tmp;
1134
1135 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1136 if (connector->encoder == encoder) {
1137 amdgpu_connector = to_amdgpu_connector(connector);
1138 break;
1139 }
1140 }
1141
1142 if (!amdgpu_connector) {
1143 DRM_ERROR("Couldn't find encoder's connector\n");
1144 return;
1145 }
1146
1147 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1148 interlace = 1;
1149
1150 if (connector->latency_present[interlace]) {
1151 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1152 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1153 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1154 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1155 } else {
1156 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1157 VIDEO_LIPSYNC, 0);
1158 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1159 AUDIO_LIPSYNC, 0);
1160 }
1161 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1162 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1163}
1164
1165static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1166{
1167 struct amdgpu_device *adev = encoder->dev->dev_private;
1168 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1169 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1170 struct drm_connector *connector;
1171 struct amdgpu_connector *amdgpu_connector = NULL;
1172 u8 *sadb = NULL;
1173 int sad_count;
1174 u32 tmp;
1175
1176 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1177 if (connector->encoder == encoder) {
1178 amdgpu_connector = to_amdgpu_connector(connector);
1179 break;
1180 }
1181 }
1182
1183 if (!amdgpu_connector) {
1184 DRM_ERROR("Couldn't find encoder's connector\n");
1185 return;
1186 }
1187
1188 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1189 if (sad_count < 0) {
1190 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1191 sad_count = 0;
1192 }
1193
1194 /* program the speaker allocation */
1195 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1196 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1197 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1198 HDMI_CONNECTION, 0);
1199 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1200 DP_CONNECTION, 0);
1201
1202 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1203 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1204 DP_CONNECTION, 1);
1205 else
1206 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1207 HDMI_CONNECTION, 1);
1208
1209 if (sad_count)
1210 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1211 SPEAKER_ALLOCATION, sadb[0]);
1212 else
1213 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1214 SPEAKER_ALLOCATION, 5); /* stereo */
1215
1216 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1217 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1218
1219 kfree(sadb);
1220}
1221
1222static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1223{
1224 struct amdgpu_device *adev = encoder->dev->dev_private;
1225 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1226 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1227 struct drm_connector *connector;
1228 struct amdgpu_connector *amdgpu_connector = NULL;
1229 struct cea_sad *sads;
1230 int i, sad_count;
1231
1232 static const u16 eld_reg_to_type[][2] = {
1233 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1234 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1235 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1236 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1237 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1238 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1239 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1240 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1241 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1242 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1243 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1244 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1245 };
1246
1247 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1248 if (connector->encoder == encoder) {
1249 amdgpu_connector = to_amdgpu_connector(connector);
1250 break;
1251 }
1252 }
1253
1254 if (!amdgpu_connector) {
1255 DRM_ERROR("Couldn't find encoder's connector\n");
1256 return;
1257 }
1258
1259 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1260 if (sad_count <= 0) {
1261 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1262 return;
1263 }
1264
1265 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1266 u32 tmp = 0;
1267 u8 stereo_freqs = 0;
1268 int max_channels = -1;
1269 int j;
1270
1271 for (j = 0; j < sad_count; j++) {
1272 struct cea_sad *sad = &sads[j];
1273
1274 if (sad->format == eld_reg_to_type[i][1]) {
1275 if (sad->channels > max_channels) {
1276 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1277 MAX_CHANNELS, sad->channels);
1278 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1279 DESCRIPTOR_BYTE_2, sad->byte2);
1280 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1281 SUPPORTED_FREQUENCIES, sad->freq);
1282 max_channels = sad->channels;
1283 }
1284
1285 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1286 stereo_freqs |= sad->freq;
1287 else
1288 break;
1289 }
1290 }
1291
1292 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1293 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1294 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1295 }
1296
1297 kfree(sads);
1298
1299}
1300
1301static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1302 struct amdgpu_audio_pin *pin,
1303 bool enable)
1304{
1305 if (!pin)
1306 return;
1307
1308 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1309 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1310}
1311
1312static const u32 pin_offsets[7] =
1313{
1314 (0x1780 - 0x1780),
1315 (0x1786 - 0x1780),
1316 (0x178c - 0x1780),
1317 (0x1792 - 0x1780),
1318 (0x1798 - 0x1780),
1319 (0x179d - 0x1780),
1320 (0x17a4 - 0x1780),
1321};
1322
1323static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1324{
1325 int i;
1326
1327 if (!amdgpu_audio)
1328 return 0;
1329
1330 adev->mode_info.audio.enabled = true;
1331
1332 switch (adev->asic_type) {
1333 case CHIP_TAHITI:
1334 case CHIP_PITCAIRN:
1335 case CHIP_VERDE:
1336 default:
1337 adev->mode_info.audio.num_pins = 6;
1338 break;
1339 case CHIP_OLAND:
1340 adev->mode_info.audio.num_pins = 2;
1341 break;
1342 }
1343
1344 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1345 adev->mode_info.audio.pin[i].channels = -1;
1346 adev->mode_info.audio.pin[i].rate = -1;
1347 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1348 adev->mode_info.audio.pin[i].status_bits = 0;
1349 adev->mode_info.audio.pin[i].category_code = 0;
1350 adev->mode_info.audio.pin[i].connected = false;
1351 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1352 adev->mode_info.audio.pin[i].id = i;
1353 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1354 }
1355
1356 return 0;
1357}
1358
1359static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1360{
1361 int i;
1362
1363 if (!amdgpu_audio)
1364 return;
1365
1366 if (!adev->mode_info.audio.enabled)
1367 return;
1368
1369 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1370 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1371
1372 adev->mode_info.audio.enabled = false;
1373}
1374
1375static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1376{
1377 struct drm_device *dev = encoder->dev;
1378 struct amdgpu_device *adev = dev->dev_private;
1379 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1380 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1381 u32 tmp;
1382
1383 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1384 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1385 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1386 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1387 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1388}
1389
1390static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1391 uint32_t clock, int bpc)
1392{
1393 struct drm_device *dev = encoder->dev;
1394 struct amdgpu_device *adev = dev->dev_private;
1395 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
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_ACR_PACKET_CONTROL + dig->afmt->offset);
1401 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1402 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1403 bpc > 8 ? 0 : 1);
1404 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1405
1406 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1407 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1408 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1409 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1410 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1411 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1412
1413 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1414 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1415 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1416 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1417 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1418 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1419
1420 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1421 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1422 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1423 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1424 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1425 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1426}
1427
1428static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1429 struct drm_display_mode *mode)
1430{
1431 struct drm_device *dev = encoder->dev;
1432 struct amdgpu_device *adev = dev->dev_private;
1433 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1434 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1435 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1436 struct hdmi_avi_infoframe frame;
1437 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1438 uint8_t *payload = buffer + 3;
1439 uint8_t *header = buffer;
1440 ssize_t err;
1441 u32 tmp;
1442
1443 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1444 if (err < 0) {
1445 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1446 return;
1447 }
1448
1449 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1450 if (err < 0) {
1451 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1452 return;
1453 }
1454
1455 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1456 payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1457 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1458 payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1459 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1460 payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1461 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1462 payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1463
1464 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1465 /* anything other than 0 */
1466 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1467 HDMI_AUDIO_INFO_LINE, 2);
1468 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1469}
1470
1471static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1472{
1473 struct drm_device *dev = encoder->dev;
1474 struct amdgpu_device *adev = dev->dev_private;
1475 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1476 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1477 u32 tmp;
1478
1479 /*
1480 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1481 * Express [24MHz / target pixel clock] as an exact rational
1482 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1483 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1484 */
1485 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1486 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1487 DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1488 if (em == ATOM_ENCODER_MODE_HDMI) {
1489 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1490 DCCG_AUDIO_DTO_SEL, 0);
1491 } else if (ENCODER_MODE_IS_DP(em)) {
1492 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1493 DCCG_AUDIO_DTO_SEL, 1);
1494 }
1495 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1496 if (em == ATOM_ENCODER_MODE_HDMI) {
1497 WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1498 WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1499 } else if (ENCODER_MODE_IS_DP(em)) {
1500 WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1501 WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1502 }
1503}
1504
1505static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1506{
1507 struct drm_device *dev = encoder->dev;
1508 struct amdgpu_device *adev = dev->dev_private;
1509 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1510 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1511 u32 tmp;
1512
1513 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1514 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1515 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1516
1517 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1518 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1519 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1520
1521 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1522 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1523 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1524
1525 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1526 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1527 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1528 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1529 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1530 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1531 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1532 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1533
1534 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1535 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1536 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1537
1538 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1539 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1540 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1541 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1542
1543 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1544 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1545 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1546 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1547}
1548
1549static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1550{
1551 struct drm_device *dev = encoder->dev;
1552 struct amdgpu_device *adev = dev->dev_private;
1553 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1554 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1555 u32 tmp;
1556
1557 tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1558 tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1559 WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1560}
1561
1562static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1563{
1564 struct drm_device *dev = encoder->dev;
1565 struct amdgpu_device *adev = dev->dev_private;
1566 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1567 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1568 u32 tmp;
1569
1570 if (enable) {
1571 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1572 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1573 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1574 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1575 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1576 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1577
1578 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1579 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1580 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1581
1582 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1583 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1584 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1585 } else {
1586 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1587 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1588 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1589 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1590 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1591 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1592
1593 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1594 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1595 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1596 }
1597}
1598
1599static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1600{
1601 struct drm_device *dev = encoder->dev;
1602 struct amdgpu_device *adev = dev->dev_private;
1603 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1604 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1605 u32 tmp;
1606
1607 if (enable) {
1608 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1609 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1610 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1611
1612 tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1613 tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1614 WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1615
1616 tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1617 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1618 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1619 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1620 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1621 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1622 } else {
1623 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1624 }
1625}
1626
1627static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1628 struct drm_display_mode *mode)
1629{
1630 struct drm_device *dev = encoder->dev;
1631 struct amdgpu_device *adev = dev->dev_private;
1632 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1633 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1634 struct drm_connector *connector;
1635 struct amdgpu_connector *amdgpu_connector = NULL;
1636 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1637 int bpc = 8;
1638
1639 if (!dig || !dig->afmt)
1640 return;
1641
1642 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1643 if (connector->encoder == encoder) {
1644 amdgpu_connector = to_amdgpu_connector(connector);
1645 break;
1646 }
1647 }
1648
1649 if (!amdgpu_connector) {
1650 DRM_ERROR("Couldn't find encoder's connector\n");
1651 return;
1652 }
1653
1654 if (!dig->afmt->enabled)
1655 return;
1656
1657 dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1658 if (!dig->afmt->pin)
1659 return;
1660
1661 if (encoder->crtc) {
1662 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1663 bpc = amdgpu_crtc->bpc;
1664 }
1665
1666 /* disable audio before setting up hw */
1667 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1668
1669 dce_v6_0_audio_set_mute(encoder, true);
1670 dce_v6_0_audio_write_speaker_allocation(encoder);
1671 dce_v6_0_audio_write_sad_regs(encoder);
1672 dce_v6_0_audio_write_latency_fields(encoder, mode);
1673 if (em == ATOM_ENCODER_MODE_HDMI) {
1674 dce_v6_0_audio_set_dto(encoder, mode->clock);
1675 dce_v6_0_audio_set_vbi_packet(encoder);
1676 dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1677 } else if (ENCODER_MODE_IS_DP(em)) {
1678 dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1679 }
1680 dce_v6_0_audio_set_packet(encoder);
1681 dce_v6_0_audio_select_pin(encoder);
1682 dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1683 dce_v6_0_audio_set_mute(encoder, false);
1684 if (em == ATOM_ENCODER_MODE_HDMI) {
1685 dce_v6_0_audio_hdmi_enable(encoder, 1);
1686 } else if (ENCODER_MODE_IS_DP(em)) {
1687 dce_v6_0_audio_dp_enable(encoder, 1);
1688 }
1689
1690 /* enable audio after setting up hw */
1691 dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1692}
1693
1694static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1695{
1696 struct drm_device *dev = encoder->dev;
1697 struct amdgpu_device *adev = dev->dev_private;
1698 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1699 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1700
1701 if (!dig || !dig->afmt)
1702 return;
1703
1704 /* Silent, r600_hdmi_enable will raise WARN for us */
1705 if (enable && dig->afmt->enabled)
1706 return;
1707
1708 if (!enable && !dig->afmt->enabled)
1709 return;
1710
1711 if (!enable && dig->afmt->pin) {
1712 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1713 dig->afmt->pin = NULL;
1714 }
1715
1716 dig->afmt->enabled = enable;
1717
1718 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1719 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1720}
1721
1722static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1723{
1724 int i, j;
1725
1726 for (i = 0; i < adev->mode_info.num_dig; i++)
1727 adev->mode_info.afmt[i] = NULL;
1728
1729 /* DCE6 has audio blocks tied to DIG encoders */
1730 for (i = 0; i < adev->mode_info.num_dig; i++) {
1731 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1732 if (adev->mode_info.afmt[i]) {
1733 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1734 adev->mode_info.afmt[i]->id = i;
1735 } else {
1736 for (j = 0; j < i; j++) {
1737 kfree(adev->mode_info.afmt[j]);
1738 adev->mode_info.afmt[j] = NULL;
1739 }
1740 DRM_ERROR("Out of memory allocating afmt table\n");
1741 return -ENOMEM;
1742 }
1743 }
1744 return 0;
1745}
1746
1747static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1748{
1749 int i;
1750
1751 for (i = 0; i < adev->mode_info.num_dig; i++) {
1752 kfree(adev->mode_info.afmt[i]);
1753 adev->mode_info.afmt[i] = NULL;
1754 }
1755}
1756
1757static const u32 vga_control_regs[6] =
1758{
1759 mmD1VGA_CONTROL,
1760 mmD2VGA_CONTROL,
1761 mmD3VGA_CONTROL,
1762 mmD4VGA_CONTROL,
1763 mmD5VGA_CONTROL,
1764 mmD6VGA_CONTROL,
1765};
1766
1767static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1768{
1769 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1770 struct drm_device *dev = crtc->dev;
1771 struct amdgpu_device *adev = dev->dev_private;
1772 u32 vga_control;
1773
1774 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1775 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1776}
1777
1778static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1779{
1780 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1781 struct drm_device *dev = crtc->dev;
1782 struct amdgpu_device *adev = dev->dev_private;
1783
1784 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1785}
1786
1787static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1788 struct drm_framebuffer *fb,
1789 int x, int y, int atomic)
1790{
1791 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1792 struct drm_device *dev = crtc->dev;
1793 struct amdgpu_device *adev = dev->dev_private;
1794 struct drm_framebuffer *target_fb;
1795 struct drm_gem_object *obj;
1796 struct amdgpu_bo *abo;
1797 uint64_t fb_location, tiling_flags;
1798 uint32_t fb_format, fb_pitch_pixels, pipe_config;
1799 u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1800 u32 viewport_w, viewport_h;
1801 int r;
1802 bool bypass_lut = false;
1803 struct drm_format_name_buf format_name;
1804
1805 /* no fb bound */
1806 if (!atomic && !crtc->primary->fb) {
1807 DRM_DEBUG_KMS("No FB bound\n");
1808 return 0;
1809 }
1810
1811 if (atomic)
1812 target_fb = fb;
1813 else
1814 target_fb = crtc->primary->fb;
1815
1816 /* If atomic, assume fb object is pinned & idle & fenced and
1817 * just update base pointers
1818 */
1819 obj = target_fb->obj[0];
1820 abo = gem_to_amdgpu_bo(obj);
1821 r = amdgpu_bo_reserve(abo, false);
1822 if (unlikely(r != 0))
1823 return r;
1824
1825 if (!atomic) {
1826 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1827 if (unlikely(r != 0)) {
1828 amdgpu_bo_unreserve(abo);
1829 return -EINVAL;
1830 }
1831 }
1832 fb_location = amdgpu_bo_gpu_offset(abo);
1833
1834 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1835 amdgpu_bo_unreserve(abo);
1836
1837 switch (target_fb->format->format) {
1838 case DRM_FORMAT_C8:
1839 fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1840 GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1841 break;
1842 case DRM_FORMAT_XRGB4444:
1843 case DRM_FORMAT_ARGB4444:
1844 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1845 GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1846#ifdef __BIG_ENDIAN
1847 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1848#endif
1849 break;
1850 case DRM_FORMAT_XRGB1555:
1851 case DRM_FORMAT_ARGB1555:
1852 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1853 GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1854#ifdef __BIG_ENDIAN
1855 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1856#endif
1857 break;
1858 case DRM_FORMAT_BGRX5551:
1859 case DRM_FORMAT_BGRA5551:
1860 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1861 GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1862#ifdef __BIG_ENDIAN
1863 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1864#endif
1865 break;
1866 case DRM_FORMAT_RGB565:
1867 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1868 GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1869#ifdef __BIG_ENDIAN
1870 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1871#endif
1872 break;
1873 case DRM_FORMAT_XRGB8888:
1874 case DRM_FORMAT_ARGB8888:
1875 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1876 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1877#ifdef __BIG_ENDIAN
1878 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1879#endif
1880 break;
1881 case DRM_FORMAT_XRGB2101010:
1882 case DRM_FORMAT_ARGB2101010:
1883 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1884 GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1885#ifdef __BIG_ENDIAN
1886 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1887#endif
1888 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1889 bypass_lut = true;
1890 break;
1891 case DRM_FORMAT_BGRX1010102:
1892 case DRM_FORMAT_BGRA1010102:
1893 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1894 GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1895#ifdef __BIG_ENDIAN
1896 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1897#endif
1898 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1899 bypass_lut = true;
1900 break;
1901 case DRM_FORMAT_XBGR8888:
1902 case DRM_FORMAT_ABGR8888:
1903 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1904 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1905 fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1906 GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1907#ifdef __BIG_ENDIAN
1908 fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1909#endif
1910 break;
1911 default:
1912 DRM_ERROR("Unsupported screen format %s\n",
1913 drm_get_format_name(target_fb->format->format, &format_name));
1914 return -EINVAL;
1915 }
1916
1917 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1918 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1919
1920 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1921 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1922 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1923 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1924 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1925
1926 fb_format |= GRPH_NUM_BANKS(num_banks);
1927 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1928 fb_format |= GRPH_TILE_SPLIT(tile_split);
1929 fb_format |= GRPH_BANK_WIDTH(bankw);
1930 fb_format |= GRPH_BANK_HEIGHT(bankh);
1931 fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1932 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1933 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1934 }
1935
1936 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1937 fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1938
1939 dce_v6_0_vga_enable(crtc, false);
1940
1941 /* Make sure surface address is updated at vertical blank rather than
1942 * horizontal blank
1943 */
1944 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1945
1946 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1947 upper_32_bits(fb_location));
1948 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1949 upper_32_bits(fb_location));
1950 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1951 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1952 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1953 (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1954 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1955 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1956
1957 /*
1958 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1959 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1960 * retain the full precision throughout the pipeline.
1961 */
1962 WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
1963 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
1964 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
1965
1966 if (bypass_lut)
1967 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1968
1969 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1970 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1971 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1972 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1973 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1974 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1975
1976 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1977 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
1978
1979 dce_v6_0_grph_enable(crtc, true);
1980
1981 WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
1982 target_fb->height);
1983 x &= ~3;
1984 y &= ~1;
1985 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
1986 (x << 16) | y);
1987 viewport_w = crtc->mode.hdisplay;
1988 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1989
1990 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
1991 (viewport_w << 16) | viewport_h);
1992
1993 /* set pageflip to happen anywhere in vblank interval */
1994 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
1995
1996 if (!atomic && fb && fb != crtc->primary->fb) {
1997 abo = gem_to_amdgpu_bo(fb->obj[0]);
1998 r = amdgpu_bo_reserve(abo, true);
1999 if (unlikely(r != 0))
2000 return r;
2001 amdgpu_bo_unpin(abo);
2002 amdgpu_bo_unreserve(abo);
2003 }
2004
2005 /* Bytes per pixel may have changed */
2006 dce_v6_0_bandwidth_update(adev);
2007
2008 return 0;
2009
2010}
2011
2012static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2013 struct drm_display_mode *mode)
2014{
2015 struct drm_device *dev = crtc->dev;
2016 struct amdgpu_device *adev = dev->dev_private;
2017 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2018
2019 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2020 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2021 INTERLEAVE_EN);
2022 else
2023 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2024}
2025
2026static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2027{
2028
2029 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2030 struct drm_device *dev = crtc->dev;
2031 struct amdgpu_device *adev = dev->dev_private;
2032 u16 *r, *g, *b;
2033 int i;
2034
2035 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2036
2037 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2038 ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2039 (0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2040 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2041 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2042 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2043 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2044 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2045 ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2046 (0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2047
2048 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2049
2050 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2051 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2052 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2053
2054 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2055 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2056 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2057
2058 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2059 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2060
2061 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2062 r = crtc->gamma_store;
2063 g = r + crtc->gamma_size;
2064 b = g + crtc->gamma_size;
2065 for (i = 0; i < 256; i++) {
2066 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2067 ((*r++ & 0xffc0) << 14) |
2068 ((*g++ & 0xffc0) << 4) |
2069 (*b++ >> 6));
2070 }
2071
2072 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2073 ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2074 (0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2075 ICON_DEGAMMA_MODE(0) |
2076 (0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2077 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2078 ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2079 (0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2080 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2081 ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2082 (0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2083 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2084 ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2085 (0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2086 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2087 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2088
2089
2090}
2091
2092static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2093{
2094 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2095 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2096
2097 switch (amdgpu_encoder->encoder_id) {
2098 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2099 return dig->linkb ? 1 : 0;
2100 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2101 return dig->linkb ? 3 : 2;
2102 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2103 return dig->linkb ? 5 : 4;
2104 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2105 return 6;
2106 default:
2107 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2108 return 0;
2109 }
2110}
2111
2112/**
2113 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2114 *
2115 * @crtc: drm crtc
2116 *
2117 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2118 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2119 * monitors a dedicated PPLL must be used. If a particular board has
2120 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2121 * as there is no need to program the PLL itself. If we are not able to
2122 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2123 * avoid messing up an existing monitor.
2124 *
2125 *
2126 */
2127static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2128{
2129 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2130 struct drm_device *dev = crtc->dev;
2131 struct amdgpu_device *adev = dev->dev_private;
2132 u32 pll_in_use;
2133 int pll;
2134
2135 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2136 if (adev->clock.dp_extclk)
2137 /* skip PPLL programming if using ext clock */
2138 return ATOM_PPLL_INVALID;
2139 else
2140 return ATOM_PPLL0;
2141 } else {
2142 /* use the same PPLL for all monitors with the same clock */
2143 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2144 if (pll != ATOM_PPLL_INVALID)
2145 return pll;
2146 }
2147
2148 /* PPLL1, and PPLL2 */
2149 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2150 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2151 return ATOM_PPLL2;
2152 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2153 return ATOM_PPLL1;
2154 DRM_ERROR("unable to allocate a PPLL\n");
2155 return ATOM_PPLL_INVALID;
2156}
2157
2158static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2159{
2160 struct amdgpu_device *adev = crtc->dev->dev_private;
2161 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2162 uint32_t cur_lock;
2163
2164 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2165 if (lock)
2166 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2167 else
2168 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2169 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2170}
2171
2172static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2173{
2174 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2175 struct amdgpu_device *adev = crtc->dev->dev_private;
2176
2177 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2178 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2179 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2180
2181
2182}
2183
2184static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2185{
2186 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2187 struct amdgpu_device *adev = crtc->dev->dev_private;
2188
2189 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2190 upper_32_bits(amdgpu_crtc->cursor_addr));
2191 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2192 lower_32_bits(amdgpu_crtc->cursor_addr));
2193
2194 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2195 CUR_CONTROL__CURSOR_EN_MASK |
2196 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2197 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2198
2199}
2200
2201static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2202 int x, int y)
2203{
2204 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2205 struct amdgpu_device *adev = crtc->dev->dev_private;
2206 int xorigin = 0, yorigin = 0;
2207
2208 int w = amdgpu_crtc->cursor_width;
2209
2210 amdgpu_crtc->cursor_x = x;
2211 amdgpu_crtc->cursor_y = y;
2212
2213 /* avivo cursor are offset into the total surface */
2214 x += crtc->x;
2215 y += crtc->y;
2216 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2217
2218 if (x < 0) {
2219 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2220 x = 0;
2221 }
2222 if (y < 0) {
2223 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2224 y = 0;
2225 }
2226
2227 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2228 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2229 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2230 ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2231
2232 return 0;
2233}
2234
2235static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2236 int x, int y)
2237{
2238 int ret;
2239
2240 dce_v6_0_lock_cursor(crtc, true);
2241 ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2242 dce_v6_0_lock_cursor(crtc, false);
2243
2244 return ret;
2245}
2246
2247static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2248 struct drm_file *file_priv,
2249 uint32_t handle,
2250 uint32_t width,
2251 uint32_t height,
2252 int32_t hot_x,
2253 int32_t hot_y)
2254{
2255 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2256 struct drm_gem_object *obj;
2257 struct amdgpu_bo *aobj;
2258 int ret;
2259
2260 if (!handle) {
2261 /* turn off cursor */
2262 dce_v6_0_hide_cursor(crtc);
2263 obj = NULL;
2264 goto unpin;
2265 }
2266
2267 if ((width > amdgpu_crtc->max_cursor_width) ||
2268 (height > amdgpu_crtc->max_cursor_height)) {
2269 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2270 return -EINVAL;
2271 }
2272
2273 obj = drm_gem_object_lookup(file_priv, handle);
2274 if (!obj) {
2275 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2276 return -ENOENT;
2277 }
2278
2279 aobj = gem_to_amdgpu_bo(obj);
2280 ret = amdgpu_bo_reserve(aobj, false);
2281 if (ret != 0) {
2282 drm_gem_object_put_unlocked(obj);
2283 return ret;
2284 }
2285
2286 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2287 amdgpu_bo_unreserve(aobj);
2288 if (ret) {
2289 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2290 drm_gem_object_put_unlocked(obj);
2291 return ret;
2292 }
2293 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2294
2295 dce_v6_0_lock_cursor(crtc, true);
2296
2297 if (width != amdgpu_crtc->cursor_width ||
2298 height != amdgpu_crtc->cursor_height ||
2299 hot_x != amdgpu_crtc->cursor_hot_x ||
2300 hot_y != amdgpu_crtc->cursor_hot_y) {
2301 int x, y;
2302
2303 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2304 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2305
2306 dce_v6_0_cursor_move_locked(crtc, x, y);
2307
2308 amdgpu_crtc->cursor_width = width;
2309 amdgpu_crtc->cursor_height = height;
2310 amdgpu_crtc->cursor_hot_x = hot_x;
2311 amdgpu_crtc->cursor_hot_y = hot_y;
2312 }
2313
2314 dce_v6_0_show_cursor(crtc);
2315 dce_v6_0_lock_cursor(crtc, false);
2316
2317unpin:
2318 if (amdgpu_crtc->cursor_bo) {
2319 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2320 ret = amdgpu_bo_reserve(aobj, true);
2321 if (likely(ret == 0)) {
2322 amdgpu_bo_unpin(aobj);
2323 amdgpu_bo_unreserve(aobj);
2324 }
2325 drm_gem_object_put_unlocked(amdgpu_crtc->cursor_bo);
2326 }
2327
2328 amdgpu_crtc->cursor_bo = obj;
2329 return 0;
2330}
2331
2332static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2333{
2334 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2335
2336 if (amdgpu_crtc->cursor_bo) {
2337 dce_v6_0_lock_cursor(crtc, true);
2338
2339 dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2340 amdgpu_crtc->cursor_y);
2341
2342 dce_v6_0_show_cursor(crtc);
2343 dce_v6_0_lock_cursor(crtc, false);
2344 }
2345}
2346
2347static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2348 u16 *blue, uint32_t size,
2349 struct drm_modeset_acquire_ctx *ctx)
2350{
2351 dce_v6_0_crtc_load_lut(crtc);
2352
2353 return 0;
2354}
2355
2356static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2357{
2358 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2359
2360 drm_crtc_cleanup(crtc);
2361 kfree(amdgpu_crtc);
2362}
2363
2364static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2365 .cursor_set2 = dce_v6_0_crtc_cursor_set2,
2366 .cursor_move = dce_v6_0_crtc_cursor_move,
2367 .gamma_set = dce_v6_0_crtc_gamma_set,
2368 .set_config = amdgpu_display_crtc_set_config,
2369 .destroy = dce_v6_0_crtc_destroy,
2370 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2371};
2372
2373static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2374{
2375 struct drm_device *dev = crtc->dev;
2376 struct amdgpu_device *adev = dev->dev_private;
2377 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2378 unsigned type;
2379
2380 switch (mode) {
2381 case DRM_MODE_DPMS_ON:
2382 amdgpu_crtc->enabled = true;
2383 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2384 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2385 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2386 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2387 amdgpu_crtc->crtc_id);
2388 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2389 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2390 drm_crtc_vblank_on(crtc);
2391 dce_v6_0_crtc_load_lut(crtc);
2392 break;
2393 case DRM_MODE_DPMS_STANDBY:
2394 case DRM_MODE_DPMS_SUSPEND:
2395 case DRM_MODE_DPMS_OFF:
2396 drm_crtc_vblank_off(crtc);
2397 if (amdgpu_crtc->enabled)
2398 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2399 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2400 amdgpu_crtc->enabled = false;
2401 break;
2402 }
2403 /* adjust pm to dpms */
2404 amdgpu_pm_compute_clocks(adev);
2405}
2406
2407static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2408{
2409 /* disable crtc pair power gating before programming */
2410 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2411 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2412 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2413}
2414
2415static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2416{
2417 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2418 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2419}
2420
2421static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2422{
2423
2424 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2425 struct drm_device *dev = crtc->dev;
2426 struct amdgpu_device *adev = dev->dev_private;
2427 struct amdgpu_atom_ss ss;
2428 int i;
2429
2430 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2431 if (crtc->primary->fb) {
2432 int r;
2433 struct amdgpu_bo *abo;
2434
2435 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2436 r = amdgpu_bo_reserve(abo, true);
2437 if (unlikely(r))
2438 DRM_ERROR("failed to reserve abo before unpin\n");
2439 else {
2440 amdgpu_bo_unpin(abo);
2441 amdgpu_bo_unreserve(abo);
2442 }
2443 }
2444 /* disable the GRPH */
2445 dce_v6_0_grph_enable(crtc, false);
2446
2447 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2448
2449 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2450 if (adev->mode_info.crtcs[i] &&
2451 adev->mode_info.crtcs[i]->enabled &&
2452 i != amdgpu_crtc->crtc_id &&
2453 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2454 /* one other crtc is using this pll don't turn
2455 * off the pll
2456 */
2457 goto done;
2458 }
2459 }
2460
2461 switch (amdgpu_crtc->pll_id) {
2462 case ATOM_PPLL1:
2463 case ATOM_PPLL2:
2464 /* disable the ppll */
2465 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2466 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2467 break;
2468 default:
2469 break;
2470 }
2471done:
2472 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2473 amdgpu_crtc->adjusted_clock = 0;
2474 amdgpu_crtc->encoder = NULL;
2475 amdgpu_crtc->connector = NULL;
2476}
2477
2478static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2479 struct drm_display_mode *mode,
2480 struct drm_display_mode *adjusted_mode,
2481 int x, int y, struct drm_framebuffer *old_fb)
2482{
2483 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2484
2485 if (!amdgpu_crtc->adjusted_clock)
2486 return -EINVAL;
2487
2488 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2489 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2490 dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2491 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2492 amdgpu_atombios_crtc_scaler_setup(crtc);
2493 dce_v6_0_cursor_reset(crtc);
2494 /* update the hw version fpr dpm */
2495 amdgpu_crtc->hw_mode = *adjusted_mode;
2496
2497 return 0;
2498}
2499
2500static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2501 const struct drm_display_mode *mode,
2502 struct drm_display_mode *adjusted_mode)
2503{
2504
2505 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2506 struct drm_device *dev = crtc->dev;
2507 struct drm_encoder *encoder;
2508
2509 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2510 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2511 if (encoder->crtc == crtc) {
2512 amdgpu_crtc->encoder = encoder;
2513 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2514 break;
2515 }
2516 }
2517 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2518 amdgpu_crtc->encoder = NULL;
2519 amdgpu_crtc->connector = NULL;
2520 return false;
2521 }
2522 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2523 return false;
2524 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2525 return false;
2526 /* pick pll */
2527 amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2528 /* if we can't get a PPLL for a non-DP encoder, fail */
2529 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2530 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2531 return false;
2532
2533 return true;
2534}
2535
2536static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2537 struct drm_framebuffer *old_fb)
2538{
2539 return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2540}
2541
2542static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2543 struct drm_framebuffer *fb,
2544 int x, int y, enum mode_set_atomic state)
2545{
2546 return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2547}
2548
2549static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2550 .dpms = dce_v6_0_crtc_dpms,
2551 .mode_fixup = dce_v6_0_crtc_mode_fixup,
2552 .mode_set = dce_v6_0_crtc_mode_set,
2553 .mode_set_base = dce_v6_0_crtc_set_base,
2554 .mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2555 .prepare = dce_v6_0_crtc_prepare,
2556 .commit = dce_v6_0_crtc_commit,
2557 .disable = dce_v6_0_crtc_disable,
2558};
2559
2560static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2561{
2562 struct amdgpu_crtc *amdgpu_crtc;
2563
2564 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2565 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2566 if (amdgpu_crtc == NULL)
2567 return -ENOMEM;
2568
2569 drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2570
2571 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2572 amdgpu_crtc->crtc_id = index;
2573 adev->mode_info.crtcs[index] = amdgpu_crtc;
2574
2575 amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2576 amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2577 adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2578 adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2579
2580 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2581
2582 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2583 amdgpu_crtc->adjusted_clock = 0;
2584 amdgpu_crtc->encoder = NULL;
2585 amdgpu_crtc->connector = NULL;
2586 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2587
2588 return 0;
2589}
2590
2591static int dce_v6_0_early_init(void *handle)
2592{
2593 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2594
2595 adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2596 adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2597
2598 dce_v6_0_set_display_funcs(adev);
2599
2600 adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2601
2602 switch (adev->asic_type) {
2603 case CHIP_TAHITI:
2604 case CHIP_PITCAIRN:
2605 case CHIP_VERDE:
2606 adev->mode_info.num_hpd = 6;
2607 adev->mode_info.num_dig = 6;
2608 break;
2609 case CHIP_OLAND:
2610 adev->mode_info.num_hpd = 2;
2611 adev->mode_info.num_dig = 2;
2612 break;
2613 default:
2614 return -EINVAL;
2615 }
2616
2617 dce_v6_0_set_irq_funcs(adev);
2618
2619 return 0;
2620}
2621
2622static int dce_v6_0_sw_init(void *handle)
2623{
2624 int r, i;
2625 bool ret;
2626 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2627
2628 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2629 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2630 if (r)
2631 return r;
2632 }
2633
2634 for (i = 8; i < 20; i += 2) {
2635 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2636 if (r)
2637 return r;
2638 }
2639
2640 /* HPD hotplug */
2641 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2642 if (r)
2643 return r;
2644
2645 adev->mode_info.mode_config_initialized = true;
2646
2647 adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2648 adev->ddev->mode_config.async_page_flip = true;
2649 adev->ddev->mode_config.max_width = 16384;
2650 adev->ddev->mode_config.max_height = 16384;
2651 adev->ddev->mode_config.preferred_depth = 24;
2652 adev->ddev->mode_config.prefer_shadow = 1;
2653 adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2654
2655 r = amdgpu_display_modeset_create_props(adev);
2656 if (r)
2657 return r;
2658
2659 adev->ddev->mode_config.max_width = 16384;
2660 adev->ddev->mode_config.max_height = 16384;
2661
2662 /* allocate crtcs */
2663 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2664 r = dce_v6_0_crtc_init(adev, i);
2665 if (r)
2666 return r;
2667 }
2668
2669 ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2670 if (ret)
2671 amdgpu_display_print_display_setup(adev->ddev);
2672 else
2673 return -EINVAL;
2674
2675 /* setup afmt */
2676 r = dce_v6_0_afmt_init(adev);
2677 if (r)
2678 return r;
2679
2680 r = dce_v6_0_audio_init(adev);
2681 if (r)
2682 return r;
2683
2684 drm_kms_helper_poll_init(adev->ddev);
2685
2686 return r;
2687}
2688
2689static int dce_v6_0_sw_fini(void *handle)
2690{
2691 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2692
2693 kfree(adev->mode_info.bios_hardcoded_edid);
2694
2695 drm_kms_helper_poll_fini(adev->ddev);
2696
2697 dce_v6_0_audio_fini(adev);
2698 dce_v6_0_afmt_fini(adev);
2699
2700 drm_mode_config_cleanup(adev->ddev);
2701 adev->mode_info.mode_config_initialized = false;
2702
2703 return 0;
2704}
2705
2706static int dce_v6_0_hw_init(void *handle)
2707{
2708 int i;
2709 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2710
2711 /* disable vga render */
2712 dce_v6_0_set_vga_render_state(adev, false);
2713 /* init dig PHYs, disp eng pll */
2714 amdgpu_atombios_encoder_init_dig(adev);
2715 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2716
2717 /* initialize hpd */
2718 dce_v6_0_hpd_init(adev);
2719
2720 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2721 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2722 }
2723
2724 dce_v6_0_pageflip_interrupt_init(adev);
2725
2726 return 0;
2727}
2728
2729static int dce_v6_0_hw_fini(void *handle)
2730{
2731 int i;
2732 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2733
2734 dce_v6_0_hpd_fini(adev);
2735
2736 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2737 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2738 }
2739
2740 dce_v6_0_pageflip_interrupt_fini(adev);
2741
2742 return 0;
2743}
2744
2745static int dce_v6_0_suspend(void *handle)
2746{
2747 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2748
2749 adev->mode_info.bl_level =
2750 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2751
2752 return dce_v6_0_hw_fini(handle);
2753}
2754
2755static int dce_v6_0_resume(void *handle)
2756{
2757 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2758 int ret;
2759
2760 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2761 adev->mode_info.bl_level);
2762
2763 ret = dce_v6_0_hw_init(handle);
2764
2765 /* turn on the BL */
2766 if (adev->mode_info.bl_encoder) {
2767 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2768 adev->mode_info.bl_encoder);
2769 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2770 bl_level);
2771 }
2772
2773 return ret;
2774}
2775
2776static bool dce_v6_0_is_idle(void *handle)
2777{
2778 return true;
2779}
2780
2781static int dce_v6_0_wait_for_idle(void *handle)
2782{
2783 return 0;
2784}
2785
2786static int dce_v6_0_soft_reset(void *handle)
2787{
2788 DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2789 return 0;
2790}
2791
2792static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2793 int crtc,
2794 enum amdgpu_interrupt_state state)
2795{
2796 u32 reg_block, interrupt_mask;
2797
2798 if (crtc >= adev->mode_info.num_crtc) {
2799 DRM_DEBUG("invalid crtc %d\n", crtc);
2800 return;
2801 }
2802
2803 switch (crtc) {
2804 case 0:
2805 reg_block = SI_CRTC0_REGISTER_OFFSET;
2806 break;
2807 case 1:
2808 reg_block = SI_CRTC1_REGISTER_OFFSET;
2809 break;
2810 case 2:
2811 reg_block = SI_CRTC2_REGISTER_OFFSET;
2812 break;
2813 case 3:
2814 reg_block = SI_CRTC3_REGISTER_OFFSET;
2815 break;
2816 case 4:
2817 reg_block = SI_CRTC4_REGISTER_OFFSET;
2818 break;
2819 case 5:
2820 reg_block = SI_CRTC5_REGISTER_OFFSET;
2821 break;
2822 default:
2823 DRM_DEBUG("invalid crtc %d\n", crtc);
2824 return;
2825 }
2826
2827 switch (state) {
2828 case AMDGPU_IRQ_STATE_DISABLE:
2829 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2830 interrupt_mask &= ~VBLANK_INT_MASK;
2831 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2832 break;
2833 case AMDGPU_IRQ_STATE_ENABLE:
2834 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2835 interrupt_mask |= VBLANK_INT_MASK;
2836 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2837 break;
2838 default:
2839 break;
2840 }
2841}
2842
2843static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2844 int crtc,
2845 enum amdgpu_interrupt_state state)
2846{
2847
2848}
2849
2850static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2851 struct amdgpu_irq_src *src,
2852 unsigned type,
2853 enum amdgpu_interrupt_state state)
2854{
2855 u32 dc_hpd_int_cntl;
2856
2857 if (type >= adev->mode_info.num_hpd) {
2858 DRM_DEBUG("invalid hdp %d\n", type);
2859 return 0;
2860 }
2861
2862 switch (state) {
2863 case AMDGPU_IRQ_STATE_DISABLE:
2864 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2865 dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2866 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2867 break;
2868 case AMDGPU_IRQ_STATE_ENABLE:
2869 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2870 dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2871 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2872 break;
2873 default:
2874 break;
2875 }
2876
2877 return 0;
2878}
2879
2880static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2881 struct amdgpu_irq_src *src,
2882 unsigned type,
2883 enum amdgpu_interrupt_state state)
2884{
2885 switch (type) {
2886 case AMDGPU_CRTC_IRQ_VBLANK1:
2887 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2888 break;
2889 case AMDGPU_CRTC_IRQ_VBLANK2:
2890 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2891 break;
2892 case AMDGPU_CRTC_IRQ_VBLANK3:
2893 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2894 break;
2895 case AMDGPU_CRTC_IRQ_VBLANK4:
2896 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2897 break;
2898 case AMDGPU_CRTC_IRQ_VBLANK5:
2899 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2900 break;
2901 case AMDGPU_CRTC_IRQ_VBLANK6:
2902 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2903 break;
2904 case AMDGPU_CRTC_IRQ_VLINE1:
2905 dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2906 break;
2907 case AMDGPU_CRTC_IRQ_VLINE2:
2908 dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2909 break;
2910 case AMDGPU_CRTC_IRQ_VLINE3:
2911 dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2912 break;
2913 case AMDGPU_CRTC_IRQ_VLINE4:
2914 dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2915 break;
2916 case AMDGPU_CRTC_IRQ_VLINE5:
2917 dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2918 break;
2919 case AMDGPU_CRTC_IRQ_VLINE6:
2920 dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2921 break;
2922 default:
2923 break;
2924 }
2925 return 0;
2926}
2927
2928static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2929 struct amdgpu_irq_src *source,
2930 struct amdgpu_iv_entry *entry)
2931{
2932 unsigned crtc = entry->src_id - 1;
2933 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2934 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2935 crtc);
2936
2937 switch (entry->src_data[0]) {
2938 case 0: /* vblank */
2939 if (disp_int & interrupt_status_offsets[crtc].vblank)
2940 WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
2941 else
2942 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2943
2944 if (amdgpu_irq_enabled(adev, source, irq_type)) {
2945 drm_handle_vblank(adev->ddev, crtc);
2946 }
2947 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
2948 break;
2949 case 1: /* vline */
2950 if (disp_int & interrupt_status_offsets[crtc].vline)
2951 WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
2952 else
2953 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2954
2955 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
2956 break;
2957 default:
2958 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
2959 break;
2960 }
2961
2962 return 0;
2963}
2964
2965static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
2966 struct amdgpu_irq_src *src,
2967 unsigned type,
2968 enum amdgpu_interrupt_state state)
2969{
2970 u32 reg;
2971
2972 if (type >= adev->mode_info.num_crtc) {
2973 DRM_ERROR("invalid pageflip crtc %d\n", type);
2974 return -EINVAL;
2975 }
2976
2977 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
2978 if (state == AMDGPU_IRQ_STATE_DISABLE)
2979 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
2980 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
2981 else
2982 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
2983 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
2984
2985 return 0;
2986}
2987
2988static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
2989 struct amdgpu_irq_src *source,
2990 struct amdgpu_iv_entry *entry)
2991{
2992 unsigned long flags;
2993 unsigned crtc_id;
2994 struct amdgpu_crtc *amdgpu_crtc;
2995 struct amdgpu_flip_work *works;
2996
2997 crtc_id = (entry->src_id - 8) >> 1;
2998 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
2999
3000 if (crtc_id >= adev->mode_info.num_crtc) {
3001 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3002 return -EINVAL;
3003 }
3004
3005 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3006 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3007 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3008 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3009
3010 /* IRQ could occur when in initial stage */
3011 if (amdgpu_crtc == NULL)
3012 return 0;
3013
3014 spin_lock_irqsave(&adev->ddev->event_lock, flags);
3015 works = amdgpu_crtc->pflip_works;
3016 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3017 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3018 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3019 amdgpu_crtc->pflip_status,
3020 AMDGPU_FLIP_SUBMITTED);
3021 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3022 return 0;
3023 }
3024
3025 /* page flip completed. clean up */
3026 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3027 amdgpu_crtc->pflip_works = NULL;
3028
3029 /* wakeup usersapce */
3030 if (works->event)
3031 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3032
3033 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3034
3035 drm_crtc_vblank_put(&amdgpu_crtc->base);
3036 schedule_work(&works->unpin_work);
3037
3038 return 0;
3039}
3040
3041static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3042 struct amdgpu_irq_src *source,
3043 struct amdgpu_iv_entry *entry)
3044{
3045 uint32_t disp_int, mask, tmp;
3046 unsigned hpd;
3047
3048 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3049 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3050 return 0;
3051 }
3052
3053 hpd = entry->src_data[0];
3054 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3055 mask = interrupt_status_offsets[hpd].hpd;
3056
3057 if (disp_int & mask) {
3058 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
3059 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
3060 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
3061 schedule_work(&adev->hotplug_work);
3062 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3063 }
3064
3065 return 0;
3066
3067}
3068
3069static int dce_v6_0_set_clockgating_state(void *handle,
3070 enum amd_clockgating_state state)
3071{
3072 return 0;
3073}
3074
3075static int dce_v6_0_set_powergating_state(void *handle,
3076 enum amd_powergating_state state)
3077{
3078 return 0;
3079}
3080
3081static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3082 .name = "dce_v6_0",
3083 .early_init = dce_v6_0_early_init,
3084 .late_init = NULL,
3085 .sw_init = dce_v6_0_sw_init,
3086 .sw_fini = dce_v6_0_sw_fini,
3087 .hw_init = dce_v6_0_hw_init,
3088 .hw_fini = dce_v6_0_hw_fini,
3089 .suspend = dce_v6_0_suspend,
3090 .resume = dce_v6_0_resume,
3091 .is_idle = dce_v6_0_is_idle,
3092 .wait_for_idle = dce_v6_0_wait_for_idle,
3093 .soft_reset = dce_v6_0_soft_reset,
3094 .set_clockgating_state = dce_v6_0_set_clockgating_state,
3095 .set_powergating_state = dce_v6_0_set_powergating_state,
3096};
3097
3098static void
3099dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3100 struct drm_display_mode *mode,
3101 struct drm_display_mode *adjusted_mode)
3102{
3103
3104 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3105 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3106
3107 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3108
3109 /* need to call this here rather than in prepare() since we need some crtc info */
3110 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3111
3112 /* set scaler clears this on some chips */
3113 dce_v6_0_set_interleave(encoder->crtc, mode);
3114
3115 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3116 dce_v6_0_afmt_enable(encoder, true);
3117 dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3118 }
3119}
3120
3121static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3122{
3123
3124 struct amdgpu_device *adev = encoder->dev->dev_private;
3125 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3126 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3127
3128 if ((amdgpu_encoder->active_device &
3129 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3130 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3131 ENCODER_OBJECT_ID_NONE)) {
3132 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3133 if (dig) {
3134 dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3135 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3136 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3137 }
3138 }
3139
3140 amdgpu_atombios_scratch_regs_lock(adev, true);
3141
3142 if (connector) {
3143 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3144
3145 /* select the clock/data port if it uses a router */
3146 if (amdgpu_connector->router.cd_valid)
3147 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3148
3149 /* turn eDP panel on for mode set */
3150 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3151 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3152 ATOM_TRANSMITTER_ACTION_POWER_ON);
3153 }
3154
3155 /* this is needed for the pll/ss setup to work correctly in some cases */
3156 amdgpu_atombios_encoder_set_crtc_source(encoder);
3157 /* set up the FMT blocks */
3158 dce_v6_0_program_fmt(encoder);
3159}
3160
3161static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3162{
3163
3164 struct drm_device *dev = encoder->dev;
3165 struct amdgpu_device *adev = dev->dev_private;
3166
3167 /* need to call this here as we need the crtc set up */
3168 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3169 amdgpu_atombios_scratch_regs_lock(adev, false);
3170}
3171
3172static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3173{
3174
3175 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3176 struct amdgpu_encoder_atom_dig *dig;
3177 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3178
3179 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3180
3181 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3182 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3183 dce_v6_0_afmt_enable(encoder, false);
3184 dig = amdgpu_encoder->enc_priv;
3185 dig->dig_encoder = -1;
3186 }
3187 amdgpu_encoder->active_device = 0;
3188}
3189
3190/* these are handled by the primary encoders */
3191static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3192{
3193
3194}
3195
3196static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3197{
3198
3199}
3200
3201static void
3202dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3203 struct drm_display_mode *mode,
3204 struct drm_display_mode *adjusted_mode)
3205{
3206
3207}
3208
3209static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3210{
3211
3212}
3213
3214static void
3215dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3216{
3217
3218}
3219
3220static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3221 const struct drm_display_mode *mode,
3222 struct drm_display_mode *adjusted_mode)
3223{
3224 return true;
3225}
3226
3227static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3228 .dpms = dce_v6_0_ext_dpms,
3229 .mode_fixup = dce_v6_0_ext_mode_fixup,
3230 .prepare = dce_v6_0_ext_prepare,
3231 .mode_set = dce_v6_0_ext_mode_set,
3232 .commit = dce_v6_0_ext_commit,
3233 .disable = dce_v6_0_ext_disable,
3234 /* no detect for TMDS/LVDS yet */
3235};
3236
3237static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3238 .dpms = amdgpu_atombios_encoder_dpms,
3239 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3240 .prepare = dce_v6_0_encoder_prepare,
3241 .mode_set = dce_v6_0_encoder_mode_set,
3242 .commit = dce_v6_0_encoder_commit,
3243 .disable = dce_v6_0_encoder_disable,
3244 .detect = amdgpu_atombios_encoder_dig_detect,
3245};
3246
3247static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3248 .dpms = amdgpu_atombios_encoder_dpms,
3249 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3250 .prepare = dce_v6_0_encoder_prepare,
3251 .mode_set = dce_v6_0_encoder_mode_set,
3252 .commit = dce_v6_0_encoder_commit,
3253 .detect = amdgpu_atombios_encoder_dac_detect,
3254};
3255
3256static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3257{
3258 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3259 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3260 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3261 kfree(amdgpu_encoder->enc_priv);
3262 drm_encoder_cleanup(encoder);
3263 kfree(amdgpu_encoder);
3264}
3265
3266static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3267 .destroy = dce_v6_0_encoder_destroy,
3268};
3269
3270static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3271 uint32_t encoder_enum,
3272 uint32_t supported_device,
3273 u16 caps)
3274{
3275 struct drm_device *dev = adev->ddev;
3276 struct drm_encoder *encoder;
3277 struct amdgpu_encoder *amdgpu_encoder;
3278
3279 /* see if we already added it */
3280 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3281 amdgpu_encoder = to_amdgpu_encoder(encoder);
3282 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3283 amdgpu_encoder->devices |= supported_device;
3284 return;
3285 }
3286
3287 }
3288
3289 /* add a new one */
3290 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3291 if (!amdgpu_encoder)
3292 return;
3293
3294 encoder = &amdgpu_encoder->base;
3295 switch (adev->mode_info.num_crtc) {
3296 case 1:
3297 encoder->possible_crtcs = 0x1;
3298 break;
3299 case 2:
3300 default:
3301 encoder->possible_crtcs = 0x3;
3302 break;
3303 case 4:
3304 encoder->possible_crtcs = 0xf;
3305 break;
3306 case 6:
3307 encoder->possible_crtcs = 0x3f;
3308 break;
3309 }
3310
3311 amdgpu_encoder->enc_priv = NULL;
3312 amdgpu_encoder->encoder_enum = encoder_enum;
3313 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3314 amdgpu_encoder->devices = supported_device;
3315 amdgpu_encoder->rmx_type = RMX_OFF;
3316 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3317 amdgpu_encoder->is_ext_encoder = false;
3318 amdgpu_encoder->caps = caps;
3319
3320 switch (amdgpu_encoder->encoder_id) {
3321 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3322 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3323 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3324 DRM_MODE_ENCODER_DAC, NULL);
3325 drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3326 break;
3327 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3328 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3329 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3330 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3331 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3332 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3333 amdgpu_encoder->rmx_type = RMX_FULL;
3334 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3335 DRM_MODE_ENCODER_LVDS, NULL);
3336 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3337 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3338 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3339 DRM_MODE_ENCODER_DAC, NULL);
3340 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3341 } else {
3342 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3343 DRM_MODE_ENCODER_TMDS, NULL);
3344 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3345 }
3346 drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3347 break;
3348 case ENCODER_OBJECT_ID_SI170B:
3349 case ENCODER_OBJECT_ID_CH7303:
3350 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3351 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3352 case ENCODER_OBJECT_ID_TITFP513:
3353 case ENCODER_OBJECT_ID_VT1623:
3354 case ENCODER_OBJECT_ID_HDMI_SI1930:
3355 case ENCODER_OBJECT_ID_TRAVIS:
3356 case ENCODER_OBJECT_ID_NUTMEG:
3357 /* these are handled by the primary encoders */
3358 amdgpu_encoder->is_ext_encoder = true;
3359 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3360 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3361 DRM_MODE_ENCODER_LVDS, NULL);
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 else
3366 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3367 DRM_MODE_ENCODER_TMDS, NULL);
3368 drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3369 break;
3370 }
3371}
3372
3373static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3374 .bandwidth_update = &dce_v6_0_bandwidth_update,
3375 .vblank_get_counter = &dce_v6_0_vblank_get_counter,
3376 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3377 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3378 .hpd_sense = &dce_v6_0_hpd_sense,
3379 .hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3380 .hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3381 .page_flip = &dce_v6_0_page_flip,
3382 .page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3383 .add_encoder = &dce_v6_0_encoder_add,
3384 .add_connector = &amdgpu_connector_add,
3385};
3386
3387static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3388{
3389 adev->mode_info.funcs = &dce_v6_0_display_funcs;
3390}
3391
3392static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3393 .set = dce_v6_0_set_crtc_interrupt_state,
3394 .process = dce_v6_0_crtc_irq,
3395};
3396
3397static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3398 .set = dce_v6_0_set_pageflip_interrupt_state,
3399 .process = dce_v6_0_pageflip_irq,
3400};
3401
3402static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3403 .set = dce_v6_0_set_hpd_interrupt_state,
3404 .process = dce_v6_0_hpd_irq,
3405};
3406
3407static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3408{
3409 if (adev->mode_info.num_crtc > 0)
3410 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3411 else
3412 adev->crtc_irq.num_types = 0;
3413 adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3414
3415 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3416 adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3417
3418 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3419 adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3420}
3421
3422const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3423{
3424 .type = AMD_IP_BLOCK_TYPE_DCE,
3425 .major = 6,
3426 .minor = 0,
3427 .rev = 0,
3428 .funcs = &dce_v6_0_ip_funcs,
3429};
3430
3431const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3432{
3433 .type = AMD_IP_BLOCK_TYPE_DCE,
3434 .major = 6,
3435 .minor = 4,
3436 .rev = 0,
3437 .funcs = &dce_v6_0_ip_funcs,
3438};