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dt-bindings: mtd: ingenic: Use standard ecc-engine property
[linux/fpc-iii.git] / drivers / gpu / drm / amd / amdgpu / dce_v6_0.c
blobbea32f076b91c98dd346d178b73ea70f5dcfd845
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 #include <drm/drmP.h>
24 #include "amdgpu.h"
25 #include "amdgpu_pm.h"
26 #include "amdgpu_i2c.h"
27 #include "atom.h"
28 #include "amdgpu_atombios.h"
29 #include "atombios_crtc.h"
30 #include "atombios_encoders.h"
31 #include "amdgpu_pll.h"
32 #include "amdgpu_connectors.h"
33 #include "amdgpu_display.h"
34
35 #include "bif/bif_3_0_d.h"
36 #include "bif/bif_3_0_sh_mask.h"
37 #include "oss/oss_1_0_d.h"
38 #include "oss/oss_1_0_sh_mask.h"
39 #include "gca/gfx_6_0_d.h"
40 #include "gca/gfx_6_0_sh_mask.h"
41 #include "gmc/gmc_6_0_d.h"
42 #include "gmc/gmc_6_0_sh_mask.h"
43 #include "dce/dce_6_0_d.h"
44 #include "dce/dce_6_0_sh_mask.h"
45 #include "gca/gfx_7_2_enum.h"
46 #include "dce_v6_0.h"
47 #include "si_enums.h"
48
49 static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
50 static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
51
52 static const u32 crtc_offsets[6] =
53 {
54 SI_CRTC0_REGISTER_OFFSET,
55 SI_CRTC1_REGISTER_OFFSET,
56 SI_CRTC2_REGISTER_OFFSET,
57 SI_CRTC3_REGISTER_OFFSET,
58 SI_CRTC4_REGISTER_OFFSET,
59 SI_CRTC5_REGISTER_OFFSET
60 };
61
62 static const u32 hpd_offsets[] =
63 {
64 mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
65 mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
66 mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
67 mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
68 mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
69 mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
70 };
71
72 static const uint32_t dig_offsets[] = {
73 SI_CRTC0_REGISTER_OFFSET,
74 SI_CRTC1_REGISTER_OFFSET,
75 SI_CRTC2_REGISTER_OFFSET,
76 SI_CRTC3_REGISTER_OFFSET,
77 SI_CRTC4_REGISTER_OFFSET,
78 SI_CRTC5_REGISTER_OFFSET,
79 (0x13830 - 0x7030) >> 2,
80 };
81
82 static const struct {
83 uint32_t reg;
84 uint32_t vblank;
85 uint32_t vline;
86 uint32_t hpd;
87
88 } interrupt_status_offsets[6] = { {
89 .reg = mmDISP_INTERRUPT_STATUS,
90 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
91 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
92 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
93 }, {
94 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
95 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
96 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
97 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
98 }, {
99 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
100 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
101 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
102 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
103 }, {
104 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
105 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
106 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
107 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
108 }, {
109 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
110 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
111 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
112 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
113 }, {
114 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
115 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
116 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
117 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
118 } };
119
120 static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
121 u32 block_offset, u32 reg)
122 {
123 unsigned long flags;
124 u32 r;
125
126 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
127 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
128 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
129 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
130
131 return r;
132 }
133
134 static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
135 u32 block_offset, u32 reg, u32 v)
136 {
137 unsigned long flags;
138
139 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
140 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
141 reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
142 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
143 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
144 }
145
146 static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
147 {
148 if (crtc >= adev->mode_info.num_crtc)
149 return 0;
150 else
151 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
152 }
153
154 static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
155 {
156 unsigned i;
157
158 /* Enable pflip interrupts */
159 for (i = 0; i < adev->mode_info.num_crtc; i++)
160 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
161 }
162
163 static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
164 {
165 unsigned i;
166
167 /* Disable pflip interrupts */
168 for (i = 0; i < adev->mode_info.num_crtc; i++)
169 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
170 }
171
172 /**
173 * dce_v6_0_page_flip - pageflip callback.
174 *
175 * @adev: amdgpu_device pointer
176 * @crtc_id: crtc to cleanup pageflip on
177 * @crtc_base: new address of the crtc (GPU MC address)
178 *
179 * Does the actual pageflip (evergreen+).
180 * During vblank we take the crtc lock and wait for the update_pending
181 * bit to go high, when it does, we release the lock, and allow the
182 * double buffered update to take place.
183 * Returns the current update pending status.
184 */
185 static void dce_v6_0_page_flip(struct amdgpu_device *adev,
186 int crtc_id, u64 crtc_base, bool async)
187 {
188 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
189
190 /* flip at hsync for async, default is vsync */
191 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
192 GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
193 /* update the scanout addresses */
194 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
195 upper_32_bits(crtc_base));
196 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
197 (u32)crtc_base);
198
199 /* post the write */
200 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
201 }
202
203 static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
204 u32 *vbl, u32 *position)
205 {
206 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
207 return -EINVAL;
208 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
209 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
210
211 return 0;
212
213 }
214
215 /**
216 * dce_v6_0_hpd_sense - hpd sense callback.
217 *
218 * @adev: amdgpu_device pointer
219 * @hpd: hpd (hotplug detect) pin
220 *
221 * Checks if a digital monitor is connected (evergreen+).
222 * Returns true if connected, false if not connected.
223 */
224 static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
225 enum amdgpu_hpd_id hpd)
226 {
227 bool connected = false;
228
229 if (hpd >= adev->mode_info.num_hpd)
230 return connected;
231
232 if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
233 connected = true;
234
235 return connected;
236 }
237
238 /**
239 * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
240 *
241 * @adev: amdgpu_device pointer
242 * @hpd: hpd (hotplug detect) pin
243 *
244 * Set the polarity of the hpd pin (evergreen+).
245 */
246 static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
247 enum amdgpu_hpd_id hpd)
248 {
249 u32 tmp;
250 bool connected = dce_v6_0_hpd_sense(adev, hpd);
251
252 if (hpd >= adev->mode_info.num_hpd)
253 return;
254
255 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
256 if (connected)
257 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
258 else
259 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
260 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
261 }
262
263 /**
264 * dce_v6_0_hpd_init - hpd setup callback.
265 *
266 * @adev: amdgpu_device pointer
267 *
268 * Setup the hpd pins used by the card (evergreen+).
269 * Enable the pin, set the polarity, and enable the hpd interrupts.
270 */
271 static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
272 {
273 struct drm_device *dev = adev->ddev;
274 struct drm_connector *connector;
275 u32 tmp;
276
277 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
278 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
279
280 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
281 continue;
282
283 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
284 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
285 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
286
287 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
288 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
289 /* don't try to enable hpd on eDP or LVDS avoid breaking the
290 * aux dp channel on imac and help (but not completely fix)
291 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
292 * also avoid interrupt storms during dpms.
293 */
294 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
295 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
296 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
297 continue;
298 }
299
300 dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
301 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
302 }
303
304 }
305
306 /**
307 * dce_v6_0_hpd_fini - hpd tear down callback.
308 *
309 * @adev: amdgpu_device pointer
310 *
311 * Tear down the hpd pins used by the card (evergreen+).
312 * Disable the hpd interrupts.
313 */
314 static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
315 {
316 struct drm_device *dev = adev->ddev;
317 struct drm_connector *connector;
318 u32 tmp;
319
320 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
321 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
322
323 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
324 continue;
325
326 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
327 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
328 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], 0);
329
330 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
331 }
332 }
333
334 static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
335 {
336 return mmDC_GPIO_HPD_A;
337 }
338
339 static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
340 bool render)
341 {
342 if (!render)
343 WREG32(mmVGA_RENDER_CONTROL,
344 RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
345
346 }
347
348 static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
349 {
350 switch (adev->asic_type) {
351 case CHIP_TAHITI:
352 case CHIP_PITCAIRN:
353 case CHIP_VERDE:
354 return 6;
355 case CHIP_OLAND:
356 return 2;
357 default:
358 return 0;
359 }
360 }
361
362 void dce_v6_0_disable_dce(struct amdgpu_device *adev)
363 {
364 /*Disable VGA render and enabled crtc, if has DCE engine*/
365 if (amdgpu_atombios_has_dce_engine_info(adev)) {
366 u32 tmp;
367 int crtc_enabled, i;
368
369 dce_v6_0_set_vga_render_state(adev, false);
370
371 /*Disable crtc*/
372 for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
373 crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
374 CRTC_CONTROL__CRTC_MASTER_EN_MASK;
375 if (crtc_enabled) {
376 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
377 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
378 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
379 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
380 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
381 }
382 }
383 }
384 }
385
386 static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
387 {
388
389 struct drm_device *dev = encoder->dev;
390 struct amdgpu_device *adev = dev->dev_private;
391 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
392 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
393 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
394 int bpc = 0;
395 u32 tmp = 0;
396 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
397
398 if (connector) {
399 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
400 bpc = amdgpu_connector_get_monitor_bpc(connector);
401 dither = amdgpu_connector->dither;
402 }
403
404 /* LVDS FMT is set up by atom */
405 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
406 return;
407
408 if (bpc == 0)
409 return;
410
411
412 switch (bpc) {
413 case 6:
414 if (dither == AMDGPU_FMT_DITHER_ENABLE)
415 /* XXX sort out optimal dither settings */
416 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
417 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
418 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
419 else
420 tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
421 break;
422 case 8:
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_RGB_RANDOM_ENABLE_MASK |
428 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
429 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
430 else
431 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
432 FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
433 break;
434 case 10:
435 default:
436 /* not needed */
437 break;
438 }
439
440 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
441 }
442
443 /**
444 * cik_get_number_of_dram_channels - get the number of dram channels
445 *
446 * @adev: amdgpu_device pointer
447 *
448 * Look up the number of video ram channels (CIK).
449 * Used for display watermark bandwidth calculations
450 * Returns the number of dram channels
451 */
452 static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
453 {
454 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
455
456 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
457 case 0:
458 default:
459 return 1;
460 case 1:
461 return 2;
462 case 2:
463 return 4;
464 case 3:
465 return 8;
466 case 4:
467 return 3;
468 case 5:
469 return 6;
470 case 6:
471 return 10;
472 case 7:
473 return 12;
474 case 8:
475 return 16;
476 }
477 }
478
479 struct dce6_wm_params {
480 u32 dram_channels; /* number of dram channels */
481 u32 yclk; /* bandwidth per dram data pin in kHz */
482 u32 sclk; /* engine clock in kHz */
483 u32 disp_clk; /* display clock in kHz */
484 u32 src_width; /* viewport width */
485 u32 active_time; /* active display time in ns */
486 u32 blank_time; /* blank time in ns */
487 bool interlaced; /* mode is interlaced */
488 fixed20_12 vsc; /* vertical scale ratio */
489 u32 num_heads; /* number of active crtcs */
490 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
491 u32 lb_size; /* line buffer allocated to pipe */
492 u32 vtaps; /* vertical scaler taps */
493 };
494
495 /**
496 * dce_v6_0_dram_bandwidth - get the dram bandwidth
497 *
498 * @wm: watermark calculation data
499 *
500 * Calculate the raw dram bandwidth (CIK).
501 * Used for display watermark bandwidth calculations
502 * Returns the dram bandwidth in MBytes/s
503 */
504 static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
505 {
506 /* Calculate raw DRAM Bandwidth */
507 fixed20_12 dram_efficiency; /* 0.7 */
508 fixed20_12 yclk, dram_channels, bandwidth;
509 fixed20_12 a;
510
511 a.full = dfixed_const(1000);
512 yclk.full = dfixed_const(wm->yclk);
513 yclk.full = dfixed_div(yclk, a);
514 dram_channels.full = dfixed_const(wm->dram_channels * 4);
515 a.full = dfixed_const(10);
516 dram_efficiency.full = dfixed_const(7);
517 dram_efficiency.full = dfixed_div(dram_efficiency, a);
518 bandwidth.full = dfixed_mul(dram_channels, yclk);
519 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
520
521 return dfixed_trunc(bandwidth);
522 }
523
524 /**
525 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
526 *
527 * @wm: watermark calculation data
528 *
529 * Calculate the dram bandwidth used for display (CIK).
530 * Used for display watermark bandwidth calculations
531 * Returns the dram bandwidth for display in MBytes/s
532 */
533 static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
534 {
535 /* Calculate DRAM Bandwidth and the part allocated to display. */
536 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
537 fixed20_12 yclk, dram_channels, bandwidth;
538 fixed20_12 a;
539
540 a.full = dfixed_const(1000);
541 yclk.full = dfixed_const(wm->yclk);
542 yclk.full = dfixed_div(yclk, a);
543 dram_channels.full = dfixed_const(wm->dram_channels * 4);
544 a.full = dfixed_const(10);
545 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
546 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
547 bandwidth.full = dfixed_mul(dram_channels, yclk);
548 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
549
550 return dfixed_trunc(bandwidth);
551 }
552
553 /**
554 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
555 *
556 * @wm: watermark calculation data
557 *
558 * Calculate the data return bandwidth used for display (CIK).
559 * Used for display watermark bandwidth calculations
560 * Returns the data return bandwidth in MBytes/s
561 */
562 static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
563 {
564 /* Calculate the display Data return Bandwidth */
565 fixed20_12 return_efficiency; /* 0.8 */
566 fixed20_12 sclk, bandwidth;
567 fixed20_12 a;
568
569 a.full = dfixed_const(1000);
570 sclk.full = dfixed_const(wm->sclk);
571 sclk.full = dfixed_div(sclk, a);
572 a.full = dfixed_const(10);
573 return_efficiency.full = dfixed_const(8);
574 return_efficiency.full = dfixed_div(return_efficiency, a);
575 a.full = dfixed_const(32);
576 bandwidth.full = dfixed_mul(a, sclk);
577 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
578
579 return dfixed_trunc(bandwidth);
580 }
581
582 /**
583 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
584 *
585 * @wm: watermark calculation data
586 *
587 * Calculate the dmif bandwidth used for display (CIK).
588 * Used for display watermark bandwidth calculations
589 * Returns the dmif bandwidth in MBytes/s
590 */
591 static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
592 {
593 /* Calculate the DMIF Request Bandwidth */
594 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
595 fixed20_12 disp_clk, bandwidth;
596 fixed20_12 a, b;
597
598 a.full = dfixed_const(1000);
599 disp_clk.full = dfixed_const(wm->disp_clk);
600 disp_clk.full = dfixed_div(disp_clk, a);
601 a.full = dfixed_const(32);
602 b.full = dfixed_mul(a, disp_clk);
603
604 a.full = dfixed_const(10);
605 disp_clk_request_efficiency.full = dfixed_const(8);
606 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
607
608 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
609
610 return dfixed_trunc(bandwidth);
611 }
612
613 /**
614 * dce_v6_0_available_bandwidth - get the min available bandwidth
615 *
616 * @wm: watermark calculation data
617 *
618 * Calculate the min available bandwidth used for display (CIK).
619 * Used for display watermark bandwidth calculations
620 * Returns the min available bandwidth in MBytes/s
621 */
622 static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
623 {
624 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
625 u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
626 u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
627 u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
628
629 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
630 }
631
632 /**
633 * dce_v6_0_average_bandwidth - get the average available bandwidth
634 *
635 * @wm: watermark calculation data
636 *
637 * Calculate the average available bandwidth used for display (CIK).
638 * Used for display watermark bandwidth calculations
639 * Returns the average available bandwidth in MBytes/s
640 */
641 static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
642 {
643 /* Calculate the display mode Average Bandwidth
644 * DisplayMode should contain the source and destination dimensions,
645 * timing, etc.
646 */
647 fixed20_12 bpp;
648 fixed20_12 line_time;
649 fixed20_12 src_width;
650 fixed20_12 bandwidth;
651 fixed20_12 a;
652
653 a.full = dfixed_const(1000);
654 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
655 line_time.full = dfixed_div(line_time, a);
656 bpp.full = dfixed_const(wm->bytes_per_pixel);
657 src_width.full = dfixed_const(wm->src_width);
658 bandwidth.full = dfixed_mul(src_width, bpp);
659 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
660 bandwidth.full = dfixed_div(bandwidth, line_time);
661
662 return dfixed_trunc(bandwidth);
663 }
664
665 /**
666 * dce_v6_0_latency_watermark - get the latency watermark
667 *
668 * @wm: watermark calculation data
669 *
670 * Calculate the latency watermark (CIK).
671 * Used for display watermark bandwidth calculations
672 * Returns the latency watermark in ns
673 */
674 static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
675 {
676 /* First calculate the latency in ns */
677 u32 mc_latency = 2000; /* 2000 ns. */
678 u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
679 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
680 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
681 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
682 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
683 (wm->num_heads * cursor_line_pair_return_time);
684 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
685 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
686 u32 tmp, dmif_size = 12288;
687 fixed20_12 a, b, c;
688
689 if (wm->num_heads == 0)
690 return 0;
691
692 a.full = dfixed_const(2);
693 b.full = dfixed_const(1);
694 if ((wm->vsc.full > a.full) ||
695 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
696 (wm->vtaps >= 5) ||
697 ((wm->vsc.full >= a.full) && wm->interlaced))
698 max_src_lines_per_dst_line = 4;
699 else
700 max_src_lines_per_dst_line = 2;
701
702 a.full = dfixed_const(available_bandwidth);
703 b.full = dfixed_const(wm->num_heads);
704 a.full = dfixed_div(a, b);
705 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
706 tmp = min(dfixed_trunc(a), tmp);
707
708 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
709
710 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
711 b.full = dfixed_const(1000);
712 c.full = dfixed_const(lb_fill_bw);
713 b.full = dfixed_div(c, b);
714 a.full = dfixed_div(a, b);
715 line_fill_time = dfixed_trunc(a);
716
717 if (line_fill_time < wm->active_time)
718 return latency;
719 else
720 return latency + (line_fill_time - wm->active_time);
721
722 }
723
724 /**
725 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
726 * average and available dram bandwidth
727 *
728 * @wm: watermark calculation data
729 *
730 * Check if the display average bandwidth fits in the display
731 * dram bandwidth (CIK).
732 * Used for display watermark bandwidth calculations
733 * Returns true if the display fits, false if not.
734 */
735 static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
736 {
737 if (dce_v6_0_average_bandwidth(wm) <=
738 (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
739 return true;
740 else
741 return false;
742 }
743
744 /**
745 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
746 * average and available bandwidth
747 *
748 * @wm: watermark calculation data
749 *
750 * Check if the display average bandwidth fits in the display
751 * available bandwidth (CIK).
752 * Used for display watermark bandwidth calculations
753 * Returns true if the display fits, false if not.
754 */
755 static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
756 {
757 if (dce_v6_0_average_bandwidth(wm) <=
758 (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
759 return true;
760 else
761 return false;
762 }
763
764 /**
765 * dce_v6_0_check_latency_hiding - check latency hiding
766 *
767 * @wm: watermark calculation data
768 *
769 * Check latency hiding (CIK).
770 * Used for display watermark bandwidth calculations
771 * Returns true if the display fits, false if not.
772 */
773 static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
774 {
775 u32 lb_partitions = wm->lb_size / wm->src_width;
776 u32 line_time = wm->active_time + wm->blank_time;
777 u32 latency_tolerant_lines;
778 u32 latency_hiding;
779 fixed20_12 a;
780
781 a.full = dfixed_const(1);
782 if (wm->vsc.full > a.full)
783 latency_tolerant_lines = 1;
784 else {
785 if (lb_partitions <= (wm->vtaps + 1))
786 latency_tolerant_lines = 1;
787 else
788 latency_tolerant_lines = 2;
789 }
790
791 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
792
793 if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
794 return true;
795 else
796 return false;
797 }
798
799 /**
800 * dce_v6_0_program_watermarks - program display watermarks
801 *
802 * @adev: amdgpu_device pointer
803 * @amdgpu_crtc: the selected display controller
804 * @lb_size: line buffer size
805 * @num_heads: number of display controllers in use
806 *
807 * Calculate and program the display watermarks for the
808 * selected display controller (CIK).
809 */
810 static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
811 struct amdgpu_crtc *amdgpu_crtc,
812 u32 lb_size, u32 num_heads)
813 {
814 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
815 struct dce6_wm_params wm_low, wm_high;
816 u32 dram_channels;
817 u32 active_time;
818 u32 line_time = 0;
819 u32 latency_watermark_a = 0, latency_watermark_b = 0;
820 u32 priority_a_mark = 0, priority_b_mark = 0;
821 u32 priority_a_cnt = PRIORITY_OFF;
822 u32 priority_b_cnt = PRIORITY_OFF;
823 u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
824 fixed20_12 a, b, c;
825
826 if (amdgpu_crtc->base.enabled && num_heads && mode) {
827 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
828 (u32)mode->clock);
829 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
830 (u32)mode->clock);
831 line_time = min(line_time, (u32)65535);
832 priority_a_cnt = 0;
833 priority_b_cnt = 0;
834
835 dram_channels = si_get_number_of_dram_channels(adev);
836
837 /* watermark for high clocks */
838 if (adev->pm.dpm_enabled) {
839 wm_high.yclk =
840 amdgpu_dpm_get_mclk(adev, false) * 10;
841 wm_high.sclk =
842 amdgpu_dpm_get_sclk(adev, false) * 10;
843 } else {
844 wm_high.yclk = adev->pm.current_mclk * 10;
845 wm_high.sclk = adev->pm.current_sclk * 10;
846 }
847
848 wm_high.disp_clk = mode->clock;
849 wm_high.src_width = mode->crtc_hdisplay;
850 wm_high.active_time = active_time;
851 wm_high.blank_time = line_time - wm_high.active_time;
852 wm_high.interlaced = false;
853 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
854 wm_high.interlaced = true;
855 wm_high.vsc = amdgpu_crtc->vsc;
856 wm_high.vtaps = 1;
857 if (amdgpu_crtc->rmx_type != RMX_OFF)
858 wm_high.vtaps = 2;
859 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
860 wm_high.lb_size = lb_size;
861 wm_high.dram_channels = dram_channels;
862 wm_high.num_heads = num_heads;
863
864 if (adev->pm.dpm_enabled) {
865 /* watermark for low clocks */
866 wm_low.yclk =
867 amdgpu_dpm_get_mclk(adev, true) * 10;
868 wm_low.sclk =
869 amdgpu_dpm_get_sclk(adev, true) * 10;
870 } else {
871 wm_low.yclk = adev->pm.current_mclk * 10;
872 wm_low.sclk = adev->pm.current_sclk * 10;
873 }
874
875 wm_low.disp_clk = mode->clock;
876 wm_low.src_width = mode->crtc_hdisplay;
877 wm_low.active_time = active_time;
878 wm_low.blank_time = line_time - wm_low.active_time;
879 wm_low.interlaced = false;
880 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
881 wm_low.interlaced = true;
882 wm_low.vsc = amdgpu_crtc->vsc;
883 wm_low.vtaps = 1;
884 if (amdgpu_crtc->rmx_type != RMX_OFF)
885 wm_low.vtaps = 2;
886 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
887 wm_low.lb_size = lb_size;
888 wm_low.dram_channels = dram_channels;
889 wm_low.num_heads = num_heads;
890
891 /* set for high clocks */
892 latency_watermark_a = min(dce_v6_0_latency_watermark(&wm_high), (u32)65535);
893 /* set for low clocks */
894 latency_watermark_b = min(dce_v6_0_latency_watermark(&wm_low), (u32)65535);
895
896 /* possibly force display priority to high */
897 /* should really do this at mode validation time... */
898 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
899 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
900 !dce_v6_0_check_latency_hiding(&wm_high) ||
901 (adev->mode_info.disp_priority == 2)) {
902 DRM_DEBUG_KMS("force priority to high\n");
903 priority_a_cnt |= PRIORITY_ALWAYS_ON;
904 priority_b_cnt |= PRIORITY_ALWAYS_ON;
905 }
906 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
907 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
908 !dce_v6_0_check_latency_hiding(&wm_low) ||
909 (adev->mode_info.disp_priority == 2)) {
910 DRM_DEBUG_KMS("force priority to high\n");
911 priority_a_cnt |= PRIORITY_ALWAYS_ON;
912 priority_b_cnt |= PRIORITY_ALWAYS_ON;
913 }
914
915 a.full = dfixed_const(1000);
916 b.full = dfixed_const(mode->clock);
917 b.full = dfixed_div(b, a);
918 c.full = dfixed_const(latency_watermark_a);
919 c.full = dfixed_mul(c, b);
920 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
921 c.full = dfixed_div(c, a);
922 a.full = dfixed_const(16);
923 c.full = dfixed_div(c, a);
924 priority_a_mark = dfixed_trunc(c);
925 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
926
927 a.full = dfixed_const(1000);
928 b.full = dfixed_const(mode->clock);
929 b.full = dfixed_div(b, a);
930 c.full = dfixed_const(latency_watermark_b);
931 c.full = dfixed_mul(c, b);
932 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
933 c.full = dfixed_div(c, a);
934 a.full = dfixed_const(16);
935 c.full = dfixed_div(c, a);
936 priority_b_mark = dfixed_trunc(c);
937 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
938
939 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
940 }
941
942 /* select wm A */
943 arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
944 tmp = arb_control3;
945 tmp &= ~LATENCY_WATERMARK_MASK(3);
946 tmp |= LATENCY_WATERMARK_MASK(1);
947 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
948 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
949 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
950 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
951 /* select wm B */
952 tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
953 tmp &= ~LATENCY_WATERMARK_MASK(3);
954 tmp |= LATENCY_WATERMARK_MASK(2);
955 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
956 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
957 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
958 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
959 /* restore original selection */
960 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
961
962 /* write the priority marks */
963 WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
964 WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
965
966 /* save values for DPM */
967 amdgpu_crtc->line_time = line_time;
968 amdgpu_crtc->wm_high = latency_watermark_a;
969
970 /* Save number of lines the linebuffer leads before the scanout */
971 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
972 }
973
974 /* watermark setup */
975 static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
976 struct amdgpu_crtc *amdgpu_crtc,
977 struct drm_display_mode *mode,
978 struct drm_display_mode *other_mode)
979 {
980 u32 tmp, buffer_alloc, i;
981 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
982 /*
983 * Line Buffer Setup
984 * There are 3 line buffers, each one shared by 2 display controllers.
985 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
986 * the display controllers. The paritioning is done via one of four
987 * preset allocations specified in bits 21:20:
988 * 0 - half lb
989 * 2 - whole lb, other crtc must be disabled
990 */
991 /* this can get tricky if we have two large displays on a paired group
992 * of crtcs. Ideally for multiple large displays we'd assign them to
993 * non-linked crtcs for maximum line buffer allocation.
994 */
995 if (amdgpu_crtc->base.enabled && mode) {
996 if (other_mode) {
997 tmp = 0; /* 1/2 */
998 buffer_alloc = 1;
999 } else {
1000 tmp = 2; /* whole */
1001 buffer_alloc = 2;
1002 }
1003 } else {
1004 tmp = 0;
1005 buffer_alloc = 0;
1006 }
1007
1008 WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1009 DC_LB_MEMORY_CONFIG(tmp));
1010
1011 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1012 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1013 for (i = 0; i < adev->usec_timeout; i++) {
1014 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1015 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1016 break;
1017 udelay(1);
1018 }
1019
1020 if (amdgpu_crtc->base.enabled && mode) {
1021 switch (tmp) {
1022 case 0:
1023 default:
1024 return 4096 * 2;
1025 case 2:
1026 return 8192 * 2;
1027 }
1028 }
1029
1030 /* controller not enabled, so no lb used */
1031 return 0;
1032 }
1033
1034
1035 /**
1036 *
1037 * dce_v6_0_bandwidth_update - program display watermarks
1038 *
1039 * @adev: amdgpu_device pointer
1040 *
1041 * Calculate and program the display watermarks and line
1042 * buffer allocation (CIK).
1043 */
1044 static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1045 {
1046 struct drm_display_mode *mode0 = NULL;
1047 struct drm_display_mode *mode1 = NULL;
1048 u32 num_heads = 0, lb_size;
1049 int i;
1050
1051 if (!adev->mode_info.mode_config_initialized)
1052 return;
1053
1054 amdgpu_display_update_priority(adev);
1055
1056 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1057 if (adev->mode_info.crtcs[i]->base.enabled)
1058 num_heads++;
1059 }
1060 for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1061 mode0 = &adev->mode_info.crtcs[i]->base.mode;
1062 mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1063 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1064 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1065 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1066 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1067 }
1068 }
1069
1070 static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1071 {
1072 int i;
1073 u32 tmp;
1074
1075 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1076 tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1077 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1078 if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1079 PORT_CONNECTIVITY))
1080 adev->mode_info.audio.pin[i].connected = false;
1081 else
1082 adev->mode_info.audio.pin[i].connected = true;
1083 }
1084
1085 }
1086
1087 static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1088 {
1089 int i;
1090
1091 dce_v6_0_audio_get_connected_pins(adev);
1092
1093 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1094 if (adev->mode_info.audio.pin[i].connected)
1095 return &adev->mode_info.audio.pin[i];
1096 }
1097 DRM_ERROR("No connected audio pins found!\n");
1098 return NULL;
1099 }
1100
1101 static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1102 {
1103 struct amdgpu_device *adev = encoder->dev->dev_private;
1104 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1105 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1106
1107 if (!dig || !dig->afmt || !dig->afmt->pin)
1108 return;
1109
1110 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1111 REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1112 dig->afmt->pin->id));
1113 }
1114
1115 static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1116 struct drm_display_mode *mode)
1117 {
1118 struct amdgpu_device *adev = encoder->dev->dev_private;
1119 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1120 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1121 struct drm_connector *connector;
1122 struct amdgpu_connector *amdgpu_connector = NULL;
1123 int interlace = 0;
1124 u32 tmp;
1125
1126 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1127 if (connector->encoder == encoder) {
1128 amdgpu_connector = to_amdgpu_connector(connector);
1129 break;
1130 }
1131 }
1132
1133 if (!amdgpu_connector) {
1134 DRM_ERROR("Couldn't find encoder's connector\n");
1135 return;
1136 }
1137
1138 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1139 interlace = 1;
1140
1141 if (connector->latency_present[interlace]) {
1142 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1143 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1144 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1145 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1146 } else {
1147 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1148 VIDEO_LIPSYNC, 0);
1149 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1150 AUDIO_LIPSYNC, 0);
1151 }
1152 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1153 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1154 }
1155
1156 static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1157 {
1158 struct amdgpu_device *adev = encoder->dev->dev_private;
1159 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1160 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1161 struct drm_connector *connector;
1162 struct amdgpu_connector *amdgpu_connector = NULL;
1163 u8 *sadb = NULL;
1164 int sad_count;
1165 u32 tmp;
1166
1167 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1168 if (connector->encoder == encoder) {
1169 amdgpu_connector = to_amdgpu_connector(connector);
1170 break;
1171 }
1172 }
1173
1174 if (!amdgpu_connector) {
1175 DRM_ERROR("Couldn't find encoder's connector\n");
1176 return;
1177 }
1178
1179 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1180 if (sad_count < 0) {
1181 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1182 sad_count = 0;
1183 }
1184
1185 /* program the speaker allocation */
1186 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1187 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1188 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1189 HDMI_CONNECTION, 0);
1190 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1191 DP_CONNECTION, 0);
1192
1193 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1194 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1195 DP_CONNECTION, 1);
1196 else
1197 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1198 HDMI_CONNECTION, 1);
1199
1200 if (sad_count)
1201 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1202 SPEAKER_ALLOCATION, sadb[0]);
1203 else
1204 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1205 SPEAKER_ALLOCATION, 5); /* stereo */
1206
1207 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1208 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1209
1210 kfree(sadb);
1211 }
1212
1213 static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1214 {
1215 struct amdgpu_device *adev = encoder->dev->dev_private;
1216 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1217 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1218 struct drm_connector *connector;
1219 struct amdgpu_connector *amdgpu_connector = NULL;
1220 struct cea_sad *sads;
1221 int i, sad_count;
1222
1223 static const u16 eld_reg_to_type[][2] = {
1224 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1225 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1226 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1227 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1228 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1229 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1230 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1231 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1232 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1233 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1234 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1235 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1236 };
1237
1238 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1239 if (connector->encoder == encoder) {
1240 amdgpu_connector = to_amdgpu_connector(connector);
1241 break;
1242 }
1243 }
1244
1245 if (!amdgpu_connector) {
1246 DRM_ERROR("Couldn't find encoder's connector\n");
1247 return;
1248 }
1249
1250 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1251 if (sad_count <= 0) {
1252 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1253 return;
1254 }
1255
1256 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1257 u32 tmp = 0;
1258 u8 stereo_freqs = 0;
1259 int max_channels = -1;
1260 int j;
1261
1262 for (j = 0; j < sad_count; j++) {
1263 struct cea_sad *sad = &sads[j];
1264
1265 if (sad->format == eld_reg_to_type[i][1]) {
1266 if (sad->channels > max_channels) {
1267 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1268 MAX_CHANNELS, sad->channels);
1269 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1270 DESCRIPTOR_BYTE_2, sad->byte2);
1271 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1272 SUPPORTED_FREQUENCIES, sad->freq);
1273 max_channels = sad->channels;
1274 }
1275
1276 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1277 stereo_freqs |= sad->freq;
1278 else
1279 break;
1280 }
1281 }
1282
1283 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1284 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1285 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1286 }
1287
1288 kfree(sads);
1289
1290 }
1291
1292 static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1293 struct amdgpu_audio_pin *pin,
1294 bool enable)
1295 {
1296 if (!pin)
1297 return;
1298
1299 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1300 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1301 }
1302
1303 static const u32 pin_offsets[7] =
1304 {
1305 (0x1780 - 0x1780),
1306 (0x1786 - 0x1780),
1307 (0x178c - 0x1780),
1308 (0x1792 - 0x1780),
1309 (0x1798 - 0x1780),
1310 (0x179d - 0x1780),
1311 (0x17a4 - 0x1780),
1312 };
1313
1314 static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1315 {
1316 int i;
1317
1318 if (!amdgpu_audio)
1319 return 0;
1320
1321 adev->mode_info.audio.enabled = true;
1322
1323 switch (adev->asic_type) {
1324 case CHIP_TAHITI:
1325 case CHIP_PITCAIRN:
1326 case CHIP_VERDE:
1327 default:
1328 adev->mode_info.audio.num_pins = 6;
1329 break;
1330 case CHIP_OLAND:
1331 adev->mode_info.audio.num_pins = 2;
1332 break;
1333 }
1334
1335 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1336 adev->mode_info.audio.pin[i].channels = -1;
1337 adev->mode_info.audio.pin[i].rate = -1;
1338 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1339 adev->mode_info.audio.pin[i].status_bits = 0;
1340 adev->mode_info.audio.pin[i].category_code = 0;
1341 adev->mode_info.audio.pin[i].connected = false;
1342 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1343 adev->mode_info.audio.pin[i].id = i;
1344 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1345 }
1346
1347 return 0;
1348 }
1349
1350 static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1351 {
1352 int i;
1353
1354 if (!amdgpu_audio)
1355 return;
1356
1357 if (!adev->mode_info.audio.enabled)
1358 return;
1359
1360 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1361 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1362
1363 adev->mode_info.audio.enabled = false;
1364 }
1365
1366 static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1367 {
1368 struct drm_device *dev = encoder->dev;
1369 struct amdgpu_device *adev = dev->dev_private;
1370 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1371 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1372 u32 tmp;
1373
1374 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1375 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1376 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1377 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1378 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1379 }
1380
1381 static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1382 uint32_t clock, int bpc)
1383 {
1384 struct drm_device *dev = encoder->dev;
1385 struct amdgpu_device *adev = dev->dev_private;
1386 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1387 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1388 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1389 u32 tmp;
1390
1391 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1392 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1393 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1394 bpc > 8 ? 0 : 1);
1395 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1396
1397 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1398 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1399 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1400 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1401 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1402 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1403
1404 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1405 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1406 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1407 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1408 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1409 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1410
1411 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1412 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1413 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1414 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1415 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1416 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1417 }
1418
1419 static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1420 struct drm_display_mode *mode)
1421 {
1422 struct drm_device *dev = encoder->dev;
1423 struct amdgpu_device *adev = dev->dev_private;
1424 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1425 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1426 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1427 struct hdmi_avi_infoframe frame;
1428 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1429 uint8_t *payload = buffer + 3;
1430 uint8_t *header = buffer;
1431 ssize_t err;
1432 u32 tmp;
1433
1434 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1435 if (err < 0) {
1436 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1437 return;
1438 }
1439
1440 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1441 if (err < 0) {
1442 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1443 return;
1444 }
1445
1446 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1447 payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1448 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1449 payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1450 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1451 payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1452 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1453 payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1454
1455 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1456 /* anything other than 0 */
1457 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1458 HDMI_AUDIO_INFO_LINE, 2);
1459 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1460 }
1461
1462 static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1463 {
1464 struct drm_device *dev = encoder->dev;
1465 struct amdgpu_device *adev = dev->dev_private;
1466 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1467 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1468 u32 tmp;
1469
1470 /*
1471 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1472 * Express [24MHz / target pixel clock] as an exact rational
1473 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1474 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1475 */
1476 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1477 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1478 DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1479 if (em == ATOM_ENCODER_MODE_HDMI) {
1480 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1481 DCCG_AUDIO_DTO_SEL, 0);
1482 } else if (ENCODER_MODE_IS_DP(em)) {
1483 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1484 DCCG_AUDIO_DTO_SEL, 1);
1485 }
1486 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1487 if (em == ATOM_ENCODER_MODE_HDMI) {
1488 WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1489 WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1490 } else if (ENCODER_MODE_IS_DP(em)) {
1491 WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1492 WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1493 }
1494 }
1495
1496 static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1497 {
1498 struct drm_device *dev = encoder->dev;
1499 struct amdgpu_device *adev = dev->dev_private;
1500 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1501 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1502 u32 tmp;
1503
1504 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1505 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1506 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1507
1508 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1509 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1510 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1511
1512 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1513 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1514 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1515
1516 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1517 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1518 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1519 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1520 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1521 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1522 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1523 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1524
1525 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1526 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1527 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1528
1529 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1530 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1531 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1532 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1533
1534 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1535 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1536 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1537 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1538 }
1539
1540 static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1541 {
1542 struct drm_device *dev = encoder->dev;
1543 struct amdgpu_device *adev = dev->dev_private;
1544 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1545 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1546 u32 tmp;
1547
1548 tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1549 tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1550 WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1551 }
1552
1553 static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1554 {
1555 struct drm_device *dev = encoder->dev;
1556 struct amdgpu_device *adev = dev->dev_private;
1557 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1558 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1559 u32 tmp;
1560
1561 if (enable) {
1562 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1563 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1564 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1565 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1566 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1567 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1568
1569 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1570 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1571 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1572
1573 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1574 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1575 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1576 } else {
1577 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1578 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1579 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1580 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1581 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1582 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1583
1584 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1585 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1586 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1587 }
1588 }
1589
1590 static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1591 {
1592 struct drm_device *dev = encoder->dev;
1593 struct amdgpu_device *adev = dev->dev_private;
1594 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1595 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1596 u32 tmp;
1597
1598 if (enable) {
1599 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1600 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1601 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1602
1603 tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1604 tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1605 WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1606
1607 tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1608 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1609 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1610 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1611 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1612 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1613 } else {
1614 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1615 }
1616 }
1617
1618 static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1619 struct drm_display_mode *mode)
1620 {
1621 struct drm_device *dev = encoder->dev;
1622 struct amdgpu_device *adev = dev->dev_private;
1623 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1624 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1625 struct drm_connector *connector;
1626 struct amdgpu_connector *amdgpu_connector = NULL;
1627 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1628 int bpc = 8;
1629
1630 if (!dig || !dig->afmt)
1631 return;
1632
1633 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1634 if (connector->encoder == encoder) {
1635 amdgpu_connector = to_amdgpu_connector(connector);
1636 break;
1637 }
1638 }
1639
1640 if (!amdgpu_connector) {
1641 DRM_ERROR("Couldn't find encoder's connector\n");
1642 return;
1643 }
1644
1645 if (!dig->afmt->enabled)
1646 return;
1647
1648 dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1649 if (!dig->afmt->pin)
1650 return;
1651
1652 if (encoder->crtc) {
1653 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1654 bpc = amdgpu_crtc->bpc;
1655 }
1656
1657 /* disable audio before setting up hw */
1658 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1659
1660 dce_v6_0_audio_set_mute(encoder, true);
1661 dce_v6_0_audio_write_speaker_allocation(encoder);
1662 dce_v6_0_audio_write_sad_regs(encoder);
1663 dce_v6_0_audio_write_latency_fields(encoder, mode);
1664 if (em == ATOM_ENCODER_MODE_HDMI) {
1665 dce_v6_0_audio_set_dto(encoder, mode->clock);
1666 dce_v6_0_audio_set_vbi_packet(encoder);
1667 dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1668 } else if (ENCODER_MODE_IS_DP(em)) {
1669 dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1670 }
1671 dce_v6_0_audio_set_packet(encoder);
1672 dce_v6_0_audio_select_pin(encoder);
1673 dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1674 dce_v6_0_audio_set_mute(encoder, false);
1675 if (em == ATOM_ENCODER_MODE_HDMI) {
1676 dce_v6_0_audio_hdmi_enable(encoder, 1);
1677 } else if (ENCODER_MODE_IS_DP(em)) {
1678 dce_v6_0_audio_dp_enable(encoder, 1);
1679 }
1680
1681 /* enable audio after setting up hw */
1682 dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1683 }
1684
1685 static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1686 {
1687 struct drm_device *dev = encoder->dev;
1688 struct amdgpu_device *adev = dev->dev_private;
1689 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1690 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1691
1692 if (!dig || !dig->afmt)
1693 return;
1694
1695 /* Silent, r600_hdmi_enable will raise WARN for us */
1696 if (enable && dig->afmt->enabled)
1697 return;
1698
1699 if (!enable && !dig->afmt->enabled)
1700 return;
1701
1702 if (!enable && dig->afmt->pin) {
1703 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1704 dig->afmt->pin = NULL;
1705 }
1706
1707 dig->afmt->enabled = enable;
1708
1709 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1710 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1711 }
1712
1713 static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1714 {
1715 int i, j;
1716
1717 for (i = 0; i < adev->mode_info.num_dig; i++)
1718 adev->mode_info.afmt[i] = NULL;
1719
1720 /* DCE6 has audio blocks tied to DIG encoders */
1721 for (i = 0; i < adev->mode_info.num_dig; i++) {
1722 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1723 if (adev->mode_info.afmt[i]) {
1724 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1725 adev->mode_info.afmt[i]->id = i;
1726 } else {
1727 for (j = 0; j < i; j++) {
1728 kfree(adev->mode_info.afmt[j]);
1729 adev->mode_info.afmt[j] = NULL;
1730 }
1731 DRM_ERROR("Out of memory allocating afmt table\n");
1732 return -ENOMEM;
1733 }
1734 }
1735 return 0;
1736 }
1737
1738 static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1739 {
1740 int i;
1741
1742 for (i = 0; i < adev->mode_info.num_dig; i++) {
1743 kfree(adev->mode_info.afmt[i]);
1744 adev->mode_info.afmt[i] = NULL;
1745 }
1746 }
1747
1748 static const u32 vga_control_regs[6] =
1749 {
1750 mmD1VGA_CONTROL,
1751 mmD2VGA_CONTROL,
1752 mmD3VGA_CONTROL,
1753 mmD4VGA_CONTROL,
1754 mmD5VGA_CONTROL,
1755 mmD6VGA_CONTROL,
1756 };
1757
1758 static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1759 {
1760 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1761 struct drm_device *dev = crtc->dev;
1762 struct amdgpu_device *adev = dev->dev_private;
1763 u32 vga_control;
1764
1765 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1766 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1767 }
1768
1769 static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1770 {
1771 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1772 struct drm_device *dev = crtc->dev;
1773 struct amdgpu_device *adev = dev->dev_private;
1774
1775 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1776 }
1777
1778 static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1779 struct drm_framebuffer *fb,
1780 int x, int y, int atomic)
1781 {
1782 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1783 struct drm_device *dev = crtc->dev;
1784 struct amdgpu_device *adev = dev->dev_private;
1785 struct drm_framebuffer *target_fb;
1786 struct drm_gem_object *obj;
1787 struct amdgpu_bo *abo;
1788 uint64_t fb_location, tiling_flags;
1789 uint32_t fb_format, fb_pitch_pixels, pipe_config;
1790 u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1791 u32 viewport_w, viewport_h;
1792 int r;
1793 bool bypass_lut = false;
1794 struct drm_format_name_buf format_name;
1795
1796 /* no fb bound */
1797 if (!atomic && !crtc->primary->fb) {
1798 DRM_DEBUG_KMS("No FB bound\n");
1799 return 0;
1800 }
1801
1802 if (atomic)
1803 target_fb = fb;
1804 else
1805 target_fb = crtc->primary->fb;
1806
1807 /* If atomic, assume fb object is pinned & idle & fenced and
1808 * just update base pointers
1809 */
1810 obj = target_fb->obj[0];
1811 abo = gem_to_amdgpu_bo(obj);
1812 r = amdgpu_bo_reserve(abo, false);
1813 if (unlikely(r != 0))
1814 return r;
1815
1816 if (!atomic) {
1817 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1818 if (unlikely(r != 0)) {
1819 amdgpu_bo_unreserve(abo);
1820 return -EINVAL;
1821 }
1822 }
1823 fb_location = amdgpu_bo_gpu_offset(abo);
1824
1825 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1826 amdgpu_bo_unreserve(abo);
1827
1828 switch (target_fb->format->format) {
1829 case DRM_FORMAT_C8:
1830 fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1831 GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1832 break;
1833 case DRM_FORMAT_XRGB4444:
1834 case DRM_FORMAT_ARGB4444:
1835 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1836 GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1837 #ifdef __BIG_ENDIAN
1838 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1839 #endif
1840 break;
1841 case DRM_FORMAT_XRGB1555:
1842 case DRM_FORMAT_ARGB1555:
1843 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1844 GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1845 #ifdef __BIG_ENDIAN
1846 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1847 #endif
1848 break;
1849 case DRM_FORMAT_BGRX5551:
1850 case DRM_FORMAT_BGRA5551:
1851 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1852 GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1853 #ifdef __BIG_ENDIAN
1854 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1855 #endif
1856 break;
1857 case DRM_FORMAT_RGB565:
1858 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1859 GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1860 #ifdef __BIG_ENDIAN
1861 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1862 #endif
1863 break;
1864 case DRM_FORMAT_XRGB8888:
1865 case DRM_FORMAT_ARGB8888:
1866 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1867 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1868 #ifdef __BIG_ENDIAN
1869 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1870 #endif
1871 break;
1872 case DRM_FORMAT_XRGB2101010:
1873 case DRM_FORMAT_ARGB2101010:
1874 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1875 GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1876 #ifdef __BIG_ENDIAN
1877 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1878 #endif
1879 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1880 bypass_lut = true;
1881 break;
1882 case DRM_FORMAT_BGRX1010102:
1883 case DRM_FORMAT_BGRA1010102:
1884 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1885 GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1886 #ifdef __BIG_ENDIAN
1887 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1888 #endif
1889 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1890 bypass_lut = true;
1891 break;
1892 case DRM_FORMAT_XBGR8888:
1893 case DRM_FORMAT_ABGR8888:
1894 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1895 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1896 fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1897 GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1898 #ifdef __BIG_ENDIAN
1899 fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1900 #endif
1901 break;
1902 default:
1903 DRM_ERROR("Unsupported screen format %s\n",
1904 drm_get_format_name(target_fb->format->format, &format_name));
1905 return -EINVAL;
1906 }
1907
1908 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1909 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1910
1911 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1912 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1913 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1914 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1915 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1916
1917 fb_format |= GRPH_NUM_BANKS(num_banks);
1918 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1919 fb_format |= GRPH_TILE_SPLIT(tile_split);
1920 fb_format |= GRPH_BANK_WIDTH(bankw);
1921 fb_format |= GRPH_BANK_HEIGHT(bankh);
1922 fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1923 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1924 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1925 }
1926
1927 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1928 fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1929
1930 dce_v6_0_vga_enable(crtc, false);
1931
1932 /* Make sure surface address is updated at vertical blank rather than
1933 * horizontal blank
1934 */
1935 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1936
1937 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1938 upper_32_bits(fb_location));
1939 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1940 upper_32_bits(fb_location));
1941 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1942 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1943 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1944 (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1945 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1946 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1947
1948 /*
1949 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1950 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1951 * retain the full precision throughout the pipeline.
1952 */
1953 WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
1954 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
1955 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
1956
1957 if (bypass_lut)
1958 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1959
1960 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1961 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1962 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1963 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1964 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1965 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1966
1967 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1968 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
1969
1970 dce_v6_0_grph_enable(crtc, true);
1971
1972 WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
1973 target_fb->height);
1974 x &= ~3;
1975 y &= ~1;
1976 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
1977 (x << 16) | y);
1978 viewport_w = crtc->mode.hdisplay;
1979 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1980
1981 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
1982 (viewport_w << 16) | viewport_h);
1983
1984 /* set pageflip to happen anywhere in vblank interval */
1985 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
1986
1987 if (!atomic && fb && fb != crtc->primary->fb) {
1988 abo = gem_to_amdgpu_bo(fb->obj[0]);
1989 r = amdgpu_bo_reserve(abo, true);
1990 if (unlikely(r != 0))
1991 return r;
1992 amdgpu_bo_unpin(abo);
1993 amdgpu_bo_unreserve(abo);
1994 }
1995
1996 /* Bytes per pixel may have changed */
1997 dce_v6_0_bandwidth_update(adev);
1998
1999 return 0;
2000
2001 }
2002
2003 static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2004 struct drm_display_mode *mode)
2005 {
2006 struct drm_device *dev = crtc->dev;
2007 struct amdgpu_device *adev = dev->dev_private;
2008 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2009
2010 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2011 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2012 INTERLEAVE_EN);
2013 else
2014 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2015 }
2016
2017 static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2018 {
2019
2020 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2021 struct drm_device *dev = crtc->dev;
2022 struct amdgpu_device *adev = dev->dev_private;
2023 u16 *r, *g, *b;
2024 int i;
2025
2026 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2027
2028 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2029 ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2030 (0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2031 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2032 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2033 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2034 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2035 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2036 ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2037 (0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2038
2039 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2040
2041 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2042 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2043 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2044
2045 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2046 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2047 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2048
2049 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2050 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2051
2052 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2053 r = crtc->gamma_store;
2054 g = r + crtc->gamma_size;
2055 b = g + crtc->gamma_size;
2056 for (i = 0; i < 256; i++) {
2057 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2058 ((*r++ & 0xffc0) << 14) |
2059 ((*g++ & 0xffc0) << 4) |
2060 (*b++ >> 6));
2061 }
2062
2063 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2064 ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2065 (0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2066 ICON_DEGAMMA_MODE(0) |
2067 (0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2068 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2069 ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2070 (0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2071 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2072 ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2073 (0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2074 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2075 ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2076 (0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2077 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2078 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2079
2080
2081 }
2082
2083 static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2084 {
2085 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2086 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2087
2088 switch (amdgpu_encoder->encoder_id) {
2089 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2090 return dig->linkb ? 1 : 0;
2091 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2092 return dig->linkb ? 3 : 2;
2093 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2094 return dig->linkb ? 5 : 4;
2095 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2096 return 6;
2097 default:
2098 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2099 return 0;
2100 }
2101 }
2102
2103 /**
2104 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2105 *
2106 * @crtc: drm crtc
2107 *
2108 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2109 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2110 * monitors a dedicated PPLL must be used. If a particular board has
2111 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2112 * as there is no need to program the PLL itself. If we are not able to
2113 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2114 * avoid messing up an existing monitor.
2115 *
2116 *
2117 */
2118 static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2119 {
2120 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2121 struct drm_device *dev = crtc->dev;
2122 struct amdgpu_device *adev = dev->dev_private;
2123 u32 pll_in_use;
2124 int pll;
2125
2126 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2127 if (adev->clock.dp_extclk)
2128 /* skip PPLL programming if using ext clock */
2129 return ATOM_PPLL_INVALID;
2130 else
2131 return ATOM_PPLL0;
2132 } else {
2133 /* use the same PPLL for all monitors with the same clock */
2134 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2135 if (pll != ATOM_PPLL_INVALID)
2136 return pll;
2137 }
2138
2139 /* PPLL1, and PPLL2 */
2140 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2141 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2142 return ATOM_PPLL2;
2143 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2144 return ATOM_PPLL1;
2145 DRM_ERROR("unable to allocate a PPLL\n");
2146 return ATOM_PPLL_INVALID;
2147 }
2148
2149 static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2150 {
2151 struct amdgpu_device *adev = crtc->dev->dev_private;
2152 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2153 uint32_t cur_lock;
2154
2155 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2156 if (lock)
2157 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2158 else
2159 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2160 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2161 }
2162
2163 static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2164 {
2165 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2166 struct amdgpu_device *adev = crtc->dev->dev_private;
2167
2168 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2169 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2170 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2171
2172
2173 }
2174
2175 static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2176 {
2177 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2178 struct amdgpu_device *adev = crtc->dev->dev_private;
2179
2180 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2181 upper_32_bits(amdgpu_crtc->cursor_addr));
2182 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2183 lower_32_bits(amdgpu_crtc->cursor_addr));
2184
2185 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2186 CUR_CONTROL__CURSOR_EN_MASK |
2187 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2188 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2189
2190 }
2191
2192 static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2193 int x, int y)
2194 {
2195 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2196 struct amdgpu_device *adev = crtc->dev->dev_private;
2197 int xorigin = 0, yorigin = 0;
2198
2199 int w = amdgpu_crtc->cursor_width;
2200
2201 amdgpu_crtc->cursor_x = x;
2202 amdgpu_crtc->cursor_y = y;
2203
2204 /* avivo cursor are offset into the total surface */
2205 x += crtc->x;
2206 y += crtc->y;
2207 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2208
2209 if (x < 0) {
2210 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2211 x = 0;
2212 }
2213 if (y < 0) {
2214 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2215 y = 0;
2216 }
2217
2218 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2219 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2220 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2221 ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2222
2223 return 0;
2224 }
2225
2226 static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2227 int x, int y)
2228 {
2229 int ret;
2230
2231 dce_v6_0_lock_cursor(crtc, true);
2232 ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2233 dce_v6_0_lock_cursor(crtc, false);
2234
2235 return ret;
2236 }
2237
2238 static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2239 struct drm_file *file_priv,
2240 uint32_t handle,
2241 uint32_t width,
2242 uint32_t height,
2243 int32_t hot_x,
2244 int32_t hot_y)
2245 {
2246 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2247 struct drm_gem_object *obj;
2248 struct amdgpu_bo *aobj;
2249 int ret;
2250
2251 if (!handle) {
2252 /* turn off cursor */
2253 dce_v6_0_hide_cursor(crtc);
2254 obj = NULL;
2255 goto unpin;
2256 }
2257
2258 if ((width > amdgpu_crtc->max_cursor_width) ||
2259 (height > amdgpu_crtc->max_cursor_height)) {
2260 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2261 return -EINVAL;
2262 }
2263
2264 obj = drm_gem_object_lookup(file_priv, handle);
2265 if (!obj) {
2266 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2267 return -ENOENT;
2268 }
2269
2270 aobj = gem_to_amdgpu_bo(obj);
2271 ret = amdgpu_bo_reserve(aobj, false);
2272 if (ret != 0) {
2273 drm_gem_object_put_unlocked(obj);
2274 return ret;
2275 }
2276
2277 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2278 amdgpu_bo_unreserve(aobj);
2279 if (ret) {
2280 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2281 drm_gem_object_put_unlocked(obj);
2282 return ret;
2283 }
2284 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2285
2286 dce_v6_0_lock_cursor(crtc, true);
2287
2288 if (width != amdgpu_crtc->cursor_width ||
2289 height != amdgpu_crtc->cursor_height ||
2290 hot_x != amdgpu_crtc->cursor_hot_x ||
2291 hot_y != amdgpu_crtc->cursor_hot_y) {
2292 int x, y;
2293
2294 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2295 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2296
2297 dce_v6_0_cursor_move_locked(crtc, x, y);
2298
2299 amdgpu_crtc->cursor_width = width;
2300 amdgpu_crtc->cursor_height = height;
2301 amdgpu_crtc->cursor_hot_x = hot_x;
2302 amdgpu_crtc->cursor_hot_y = hot_y;
2303 }
2304
2305 dce_v6_0_show_cursor(crtc);
2306 dce_v6_0_lock_cursor(crtc, false);
2307
2308 unpin:
2309 if (amdgpu_crtc->cursor_bo) {
2310 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2311 ret = amdgpu_bo_reserve(aobj, true);
2312 if (likely(ret == 0)) {
2313 amdgpu_bo_unpin(aobj);
2314 amdgpu_bo_unreserve(aobj);
2315 }
2316 drm_gem_object_put_unlocked(amdgpu_crtc->cursor_bo);
2317 }
2318
2319 amdgpu_crtc->cursor_bo = obj;
2320 return 0;
2321 }
2322
2323 static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2324 {
2325 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2326
2327 if (amdgpu_crtc->cursor_bo) {
2328 dce_v6_0_lock_cursor(crtc, true);
2329
2330 dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2331 amdgpu_crtc->cursor_y);
2332
2333 dce_v6_0_show_cursor(crtc);
2334 dce_v6_0_lock_cursor(crtc, false);
2335 }
2336 }
2337
2338 static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2339 u16 *blue, uint32_t size,
2340 struct drm_modeset_acquire_ctx *ctx)
2341 {
2342 dce_v6_0_crtc_load_lut(crtc);
2343
2344 return 0;
2345 }
2346
2347 static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2348 {
2349 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2350
2351 drm_crtc_cleanup(crtc);
2352 kfree(amdgpu_crtc);
2353 }
2354
2355 static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2356 .cursor_set2 = dce_v6_0_crtc_cursor_set2,
2357 .cursor_move = dce_v6_0_crtc_cursor_move,
2358 .gamma_set = dce_v6_0_crtc_gamma_set,
2359 .set_config = amdgpu_display_crtc_set_config,
2360 .destroy = dce_v6_0_crtc_destroy,
2361 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2362 };
2363
2364 static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2365 {
2366 struct drm_device *dev = crtc->dev;
2367 struct amdgpu_device *adev = dev->dev_private;
2368 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2369 unsigned type;
2370
2371 switch (mode) {
2372 case DRM_MODE_DPMS_ON:
2373 amdgpu_crtc->enabled = true;
2374 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2375 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2376 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2377 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2378 amdgpu_crtc->crtc_id);
2379 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2380 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2381 drm_crtc_vblank_on(crtc);
2382 dce_v6_0_crtc_load_lut(crtc);
2383 break;
2384 case DRM_MODE_DPMS_STANDBY:
2385 case DRM_MODE_DPMS_SUSPEND:
2386 case DRM_MODE_DPMS_OFF:
2387 drm_crtc_vblank_off(crtc);
2388 if (amdgpu_crtc->enabled)
2389 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2390 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2391 amdgpu_crtc->enabled = false;
2392 break;
2393 }
2394 /* adjust pm to dpms */
2395 amdgpu_pm_compute_clocks(adev);
2396 }
2397
2398 static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2399 {
2400 /* disable crtc pair power gating before programming */
2401 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2402 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2403 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2404 }
2405
2406 static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2407 {
2408 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2409 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2410 }
2411
2412 static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2413 {
2414
2415 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2416 struct drm_device *dev = crtc->dev;
2417 struct amdgpu_device *adev = dev->dev_private;
2418 struct amdgpu_atom_ss ss;
2419 int i;
2420
2421 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2422 if (crtc->primary->fb) {
2423 int r;
2424 struct amdgpu_bo *abo;
2425
2426 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2427 r = amdgpu_bo_reserve(abo, true);
2428 if (unlikely(r))
2429 DRM_ERROR("failed to reserve abo before unpin\n");
2430 else {
2431 amdgpu_bo_unpin(abo);
2432 amdgpu_bo_unreserve(abo);
2433 }
2434 }
2435 /* disable the GRPH */
2436 dce_v6_0_grph_enable(crtc, false);
2437
2438 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2439
2440 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2441 if (adev->mode_info.crtcs[i] &&
2442 adev->mode_info.crtcs[i]->enabled &&
2443 i != amdgpu_crtc->crtc_id &&
2444 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2445 /* one other crtc is using this pll don't turn
2446 * off the pll
2447 */
2448 goto done;
2449 }
2450 }
2451
2452 switch (amdgpu_crtc->pll_id) {
2453 case ATOM_PPLL1:
2454 case ATOM_PPLL2:
2455 /* disable the ppll */
2456 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2457 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2458 break;
2459 default:
2460 break;
2461 }
2462 done:
2463 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2464 amdgpu_crtc->adjusted_clock = 0;
2465 amdgpu_crtc->encoder = NULL;
2466 amdgpu_crtc->connector = NULL;
2467 }
2468
2469 static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2470 struct drm_display_mode *mode,
2471 struct drm_display_mode *adjusted_mode,
2472 int x, int y, struct drm_framebuffer *old_fb)
2473 {
2474 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2475
2476 if (!amdgpu_crtc->adjusted_clock)
2477 return -EINVAL;
2478
2479 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2480 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2481 dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2482 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2483 amdgpu_atombios_crtc_scaler_setup(crtc);
2484 dce_v6_0_cursor_reset(crtc);
2485 /* update the hw version fpr dpm */
2486 amdgpu_crtc->hw_mode = *adjusted_mode;
2487
2488 return 0;
2489 }
2490
2491 static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2492 const struct drm_display_mode *mode,
2493 struct drm_display_mode *adjusted_mode)
2494 {
2495
2496 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2497 struct drm_device *dev = crtc->dev;
2498 struct drm_encoder *encoder;
2499
2500 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2501 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2502 if (encoder->crtc == crtc) {
2503 amdgpu_crtc->encoder = encoder;
2504 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2505 break;
2506 }
2507 }
2508 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2509 amdgpu_crtc->encoder = NULL;
2510 amdgpu_crtc->connector = NULL;
2511 return false;
2512 }
2513 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2514 return false;
2515 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2516 return false;
2517 /* pick pll */
2518 amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2519 /* if we can't get a PPLL for a non-DP encoder, fail */
2520 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2521 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2522 return false;
2523
2524 return true;
2525 }
2526
2527 static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2528 struct drm_framebuffer *old_fb)
2529 {
2530 return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2531 }
2532
2533 static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2534 struct drm_framebuffer *fb,
2535 int x, int y, enum mode_set_atomic state)
2536 {
2537 return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2538 }
2539
2540 static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2541 .dpms = dce_v6_0_crtc_dpms,
2542 .mode_fixup = dce_v6_0_crtc_mode_fixup,
2543 .mode_set = dce_v6_0_crtc_mode_set,
2544 .mode_set_base = dce_v6_0_crtc_set_base,
2545 .mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2546 .prepare = dce_v6_0_crtc_prepare,
2547 .commit = dce_v6_0_crtc_commit,
2548 .disable = dce_v6_0_crtc_disable,
2549 };
2550
2551 static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2552 {
2553 struct amdgpu_crtc *amdgpu_crtc;
2554
2555 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2556 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2557 if (amdgpu_crtc == NULL)
2558 return -ENOMEM;
2559
2560 drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2561
2562 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2563 amdgpu_crtc->crtc_id = index;
2564 adev->mode_info.crtcs[index] = amdgpu_crtc;
2565
2566 amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2567 amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2568 adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2569 adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2570
2571 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2572
2573 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2574 amdgpu_crtc->adjusted_clock = 0;
2575 amdgpu_crtc->encoder = NULL;
2576 amdgpu_crtc->connector = NULL;
2577 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2578
2579 return 0;
2580 }
2581
2582 static int dce_v6_0_early_init(void *handle)
2583 {
2584 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2585
2586 adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2587 adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2588
2589 dce_v6_0_set_display_funcs(adev);
2590
2591 adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2592
2593 switch (adev->asic_type) {
2594 case CHIP_TAHITI:
2595 case CHIP_PITCAIRN:
2596 case CHIP_VERDE:
2597 adev->mode_info.num_hpd = 6;
2598 adev->mode_info.num_dig = 6;
2599 break;
2600 case CHIP_OLAND:
2601 adev->mode_info.num_hpd = 2;
2602 adev->mode_info.num_dig = 2;
2603 break;
2604 default:
2605 return -EINVAL;
2606 }
2607
2608 dce_v6_0_set_irq_funcs(adev);
2609
2610 return 0;
2611 }
2612
2613 static int dce_v6_0_sw_init(void *handle)
2614 {
2615 int r, i;
2616 bool ret;
2617 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2618
2619 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2620 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2621 if (r)
2622 return r;
2623 }
2624
2625 for (i = 8; i < 20; i += 2) {
2626 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2627 if (r)
2628 return r;
2629 }
2630
2631 /* HPD hotplug */
2632 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2633 if (r)
2634 return r;
2635
2636 adev->mode_info.mode_config_initialized = true;
2637
2638 adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2639 adev->ddev->mode_config.async_page_flip = true;
2640 adev->ddev->mode_config.max_width = 16384;
2641 adev->ddev->mode_config.max_height = 16384;
2642 adev->ddev->mode_config.preferred_depth = 24;
2643 adev->ddev->mode_config.prefer_shadow = 1;
2644 adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2645
2646 r = amdgpu_display_modeset_create_props(adev);
2647 if (r)
2648 return r;
2649
2650 adev->ddev->mode_config.max_width = 16384;
2651 adev->ddev->mode_config.max_height = 16384;
2652
2653 /* allocate crtcs */
2654 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2655 r = dce_v6_0_crtc_init(adev, i);
2656 if (r)
2657 return r;
2658 }
2659
2660 ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2661 if (ret)
2662 amdgpu_display_print_display_setup(adev->ddev);
2663 else
2664 return -EINVAL;
2665
2666 /* setup afmt */
2667 r = dce_v6_0_afmt_init(adev);
2668 if (r)
2669 return r;
2670
2671 r = dce_v6_0_audio_init(adev);
2672 if (r)
2673 return r;
2674
2675 drm_kms_helper_poll_init(adev->ddev);
2676
2677 return r;
2678 }
2679
2680 static int dce_v6_0_sw_fini(void *handle)
2681 {
2682 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2683
2684 kfree(adev->mode_info.bios_hardcoded_edid);
2685
2686 drm_kms_helper_poll_fini(adev->ddev);
2687
2688 dce_v6_0_audio_fini(adev);
2689 dce_v6_0_afmt_fini(adev);
2690
2691 drm_mode_config_cleanup(adev->ddev);
2692 adev->mode_info.mode_config_initialized = false;
2693
2694 return 0;
2695 }
2696
2697 static int dce_v6_0_hw_init(void *handle)
2698 {
2699 int i;
2700 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2701
2702 /* disable vga render */
2703 dce_v6_0_set_vga_render_state(adev, false);
2704 /* init dig PHYs, disp eng pll */
2705 amdgpu_atombios_encoder_init_dig(adev);
2706 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2707
2708 /* initialize hpd */
2709 dce_v6_0_hpd_init(adev);
2710
2711 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2712 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2713 }
2714
2715 dce_v6_0_pageflip_interrupt_init(adev);
2716
2717 return 0;
2718 }
2719
2720 static int dce_v6_0_hw_fini(void *handle)
2721 {
2722 int i;
2723 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2724
2725 dce_v6_0_hpd_fini(adev);
2726
2727 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2728 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2729 }
2730
2731 dce_v6_0_pageflip_interrupt_fini(adev);
2732
2733 return 0;
2734 }
2735
2736 static int dce_v6_0_suspend(void *handle)
2737 {
2738 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2739
2740 adev->mode_info.bl_level =
2741 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2742
2743 return dce_v6_0_hw_fini(handle);
2744 }
2745
2746 static int dce_v6_0_resume(void *handle)
2747 {
2748 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2749 int ret;
2750
2751 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2752 adev->mode_info.bl_level);
2753
2754 ret = dce_v6_0_hw_init(handle);
2755
2756 /* turn on the BL */
2757 if (adev->mode_info.bl_encoder) {
2758 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2759 adev->mode_info.bl_encoder);
2760 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2761 bl_level);
2762 }
2763
2764 return ret;
2765 }
2766
2767 static bool dce_v6_0_is_idle(void *handle)
2768 {
2769 return true;
2770 }
2771
2772 static int dce_v6_0_wait_for_idle(void *handle)
2773 {
2774 return 0;
2775 }
2776
2777 static int dce_v6_0_soft_reset(void *handle)
2778 {
2779 DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2780 return 0;
2781 }
2782
2783 static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2784 int crtc,
2785 enum amdgpu_interrupt_state state)
2786 {
2787 u32 reg_block, interrupt_mask;
2788
2789 if (crtc >= adev->mode_info.num_crtc) {
2790 DRM_DEBUG("invalid crtc %d\n", crtc);
2791 return;
2792 }
2793
2794 switch (crtc) {
2795 case 0:
2796 reg_block = SI_CRTC0_REGISTER_OFFSET;
2797 break;
2798 case 1:
2799 reg_block = SI_CRTC1_REGISTER_OFFSET;
2800 break;
2801 case 2:
2802 reg_block = SI_CRTC2_REGISTER_OFFSET;
2803 break;
2804 case 3:
2805 reg_block = SI_CRTC3_REGISTER_OFFSET;
2806 break;
2807 case 4:
2808 reg_block = SI_CRTC4_REGISTER_OFFSET;
2809 break;
2810 case 5:
2811 reg_block = SI_CRTC5_REGISTER_OFFSET;
2812 break;
2813 default:
2814 DRM_DEBUG("invalid crtc %d\n", crtc);
2815 return;
2816 }
2817
2818 switch (state) {
2819 case AMDGPU_IRQ_STATE_DISABLE:
2820 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2821 interrupt_mask &= ~VBLANK_INT_MASK;
2822 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2823 break;
2824 case AMDGPU_IRQ_STATE_ENABLE:
2825 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2826 interrupt_mask |= VBLANK_INT_MASK;
2827 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2828 break;
2829 default:
2830 break;
2831 }
2832 }
2833
2834 static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2835 int crtc,
2836 enum amdgpu_interrupt_state state)
2837 {
2838
2839 }
2840
2841 static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2842 struct amdgpu_irq_src *src,
2843 unsigned type,
2844 enum amdgpu_interrupt_state state)
2845 {
2846 u32 dc_hpd_int_cntl;
2847
2848 if (type >= adev->mode_info.num_hpd) {
2849 DRM_DEBUG("invalid hdp %d\n", type);
2850 return 0;
2851 }
2852
2853 switch (state) {
2854 case AMDGPU_IRQ_STATE_DISABLE:
2855 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2856 dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2857 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2858 break;
2859 case AMDGPU_IRQ_STATE_ENABLE:
2860 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2861 dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2862 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2863 break;
2864 default:
2865 break;
2866 }
2867
2868 return 0;
2869 }
2870
2871 static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2872 struct amdgpu_irq_src *src,
2873 unsigned type,
2874 enum amdgpu_interrupt_state state)
2875 {
2876 switch (type) {
2877 case AMDGPU_CRTC_IRQ_VBLANK1:
2878 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2879 break;
2880 case AMDGPU_CRTC_IRQ_VBLANK2:
2881 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2882 break;
2883 case AMDGPU_CRTC_IRQ_VBLANK3:
2884 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2885 break;
2886 case AMDGPU_CRTC_IRQ_VBLANK4:
2887 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2888 break;
2889 case AMDGPU_CRTC_IRQ_VBLANK5:
2890 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2891 break;
2892 case AMDGPU_CRTC_IRQ_VBLANK6:
2893 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2894 break;
2895 case AMDGPU_CRTC_IRQ_VLINE1:
2896 dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2897 break;
2898 case AMDGPU_CRTC_IRQ_VLINE2:
2899 dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2900 break;
2901 case AMDGPU_CRTC_IRQ_VLINE3:
2902 dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2903 break;
2904 case AMDGPU_CRTC_IRQ_VLINE4:
2905 dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2906 break;
2907 case AMDGPU_CRTC_IRQ_VLINE5:
2908 dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2909 break;
2910 case AMDGPU_CRTC_IRQ_VLINE6:
2911 dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2912 break;
2913 default:
2914 break;
2915 }
2916 return 0;
2917 }
2918
2919 static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2920 struct amdgpu_irq_src *source,
2921 struct amdgpu_iv_entry *entry)
2922 {
2923 unsigned crtc = entry->src_id - 1;
2924 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2925 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2926 crtc);
2927
2928 switch (entry->src_data[0]) {
2929 case 0: /* vblank */
2930 if (disp_int & interrupt_status_offsets[crtc].vblank)
2931 WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
2932 else
2933 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2934
2935 if (amdgpu_irq_enabled(adev, source, irq_type)) {
2936 drm_handle_vblank(adev->ddev, crtc);
2937 }
2938 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
2939 break;
2940 case 1: /* vline */
2941 if (disp_int & interrupt_status_offsets[crtc].vline)
2942 WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
2943 else
2944 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2945
2946 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
2947 break;
2948 default:
2949 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
2950 break;
2951 }
2952
2953 return 0;
2954 }
2955
2956 static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
2957 struct amdgpu_irq_src *src,
2958 unsigned type,
2959 enum amdgpu_interrupt_state state)
2960 {
2961 u32 reg;
2962
2963 if (type >= adev->mode_info.num_crtc) {
2964 DRM_ERROR("invalid pageflip crtc %d\n", type);
2965 return -EINVAL;
2966 }
2967
2968 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
2969 if (state == AMDGPU_IRQ_STATE_DISABLE)
2970 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
2971 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
2972 else
2973 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
2974 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
2975
2976 return 0;
2977 }
2978
2979 static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
2980 struct amdgpu_irq_src *source,
2981 struct amdgpu_iv_entry *entry)
2982 {
2983 unsigned long flags;
2984 unsigned crtc_id;
2985 struct amdgpu_crtc *amdgpu_crtc;
2986 struct amdgpu_flip_work *works;
2987
2988 crtc_id = (entry->src_id - 8) >> 1;
2989 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
2990
2991 if (crtc_id >= adev->mode_info.num_crtc) {
2992 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
2993 return -EINVAL;
2994 }
2995
2996 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
2997 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
2998 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
2999 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3000
3001 /* IRQ could occur when in initial stage */
3002 if (amdgpu_crtc == NULL)
3003 return 0;
3004
3005 spin_lock_irqsave(&adev->ddev->event_lock, flags);
3006 works = amdgpu_crtc->pflip_works;
3007 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3008 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3009 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3010 amdgpu_crtc->pflip_status,
3011 AMDGPU_FLIP_SUBMITTED);
3012 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3013 return 0;
3014 }
3015
3016 /* page flip completed. clean up */
3017 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3018 amdgpu_crtc->pflip_works = NULL;
3019
3020 /* wakeup usersapce */
3021 if (works->event)
3022 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3023
3024 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3025
3026 drm_crtc_vblank_put(&amdgpu_crtc->base);
3027 schedule_work(&works->unpin_work);
3028
3029 return 0;
3030 }
3031
3032 static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3033 struct amdgpu_irq_src *source,
3034 struct amdgpu_iv_entry *entry)
3035 {
3036 uint32_t disp_int, mask, tmp;
3037 unsigned hpd;
3038
3039 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3040 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3041 return 0;
3042 }
3043
3044 hpd = entry->src_data[0];
3045 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3046 mask = interrupt_status_offsets[hpd].hpd;
3047
3048 if (disp_int & mask) {
3049 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
3050 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
3051 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
3052 schedule_work(&adev->hotplug_work);
3053 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3054 }
3055
3056 return 0;
3057
3058 }
3059
3060 static int dce_v6_0_set_clockgating_state(void *handle,
3061 enum amd_clockgating_state state)
3062 {
3063 return 0;
3064 }
3065
3066 static int dce_v6_0_set_powergating_state(void *handle,
3067 enum amd_powergating_state state)
3068 {
3069 return 0;
3070 }
3071
3072 static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3073 .name = "dce_v6_0",
3074 .early_init = dce_v6_0_early_init,
3075 .late_init = NULL,
3076 .sw_init = dce_v6_0_sw_init,
3077 .sw_fini = dce_v6_0_sw_fini,
3078 .hw_init = dce_v6_0_hw_init,
3079 .hw_fini = dce_v6_0_hw_fini,
3080 .suspend = dce_v6_0_suspend,
3081 .resume = dce_v6_0_resume,
3082 .is_idle = dce_v6_0_is_idle,
3083 .wait_for_idle = dce_v6_0_wait_for_idle,
3084 .soft_reset = dce_v6_0_soft_reset,
3085 .set_clockgating_state = dce_v6_0_set_clockgating_state,
3086 .set_powergating_state = dce_v6_0_set_powergating_state,
3087 };
3088
3089 static void
3090 dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3091 struct drm_display_mode *mode,
3092 struct drm_display_mode *adjusted_mode)
3093 {
3094
3095 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3096 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3097
3098 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3099
3100 /* need to call this here rather than in prepare() since we need some crtc info */
3101 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3102
3103 /* set scaler clears this on some chips */
3104 dce_v6_0_set_interleave(encoder->crtc, mode);
3105
3106 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3107 dce_v6_0_afmt_enable(encoder, true);
3108 dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3109 }
3110 }
3111
3112 static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3113 {
3114
3115 struct amdgpu_device *adev = encoder->dev->dev_private;
3116 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3117 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3118
3119 if ((amdgpu_encoder->active_device &
3120 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3121 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3122 ENCODER_OBJECT_ID_NONE)) {
3123 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3124 if (dig) {
3125 dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3126 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3127 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3128 }
3129 }
3130
3131 amdgpu_atombios_scratch_regs_lock(adev, true);
3132
3133 if (connector) {
3134 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3135
3136 /* select the clock/data port if it uses a router */
3137 if (amdgpu_connector->router.cd_valid)
3138 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3139
3140 /* turn eDP panel on for mode set */
3141 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3142 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3143 ATOM_TRANSMITTER_ACTION_POWER_ON);
3144 }
3145
3146 /* this is needed for the pll/ss setup to work correctly in some cases */
3147 amdgpu_atombios_encoder_set_crtc_source(encoder);
3148 /* set up the FMT blocks */
3149 dce_v6_0_program_fmt(encoder);
3150 }
3151
3152 static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3153 {
3154
3155 struct drm_device *dev = encoder->dev;
3156 struct amdgpu_device *adev = dev->dev_private;
3157
3158 /* need to call this here as we need the crtc set up */
3159 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3160 amdgpu_atombios_scratch_regs_lock(adev, false);
3161 }
3162
3163 static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3164 {
3165
3166 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3167 struct amdgpu_encoder_atom_dig *dig;
3168 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3169
3170 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3171
3172 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3173 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3174 dce_v6_0_afmt_enable(encoder, false);
3175 dig = amdgpu_encoder->enc_priv;
3176 dig->dig_encoder = -1;
3177 }
3178 amdgpu_encoder->active_device = 0;
3179 }
3180
3181 /* these are handled by the primary encoders */
3182 static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3183 {
3184
3185 }
3186
3187 static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3188 {
3189
3190 }
3191
3192 static void
3193 dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3194 struct drm_display_mode *mode,
3195 struct drm_display_mode *adjusted_mode)
3196 {
3197
3198 }
3199
3200 static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3201 {
3202
3203 }
3204
3205 static void
3206 dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3207 {
3208
3209 }
3210
3211 static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3212 const struct drm_display_mode *mode,
3213 struct drm_display_mode *adjusted_mode)
3214 {
3215 return true;
3216 }
3217
3218 static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3219 .dpms = dce_v6_0_ext_dpms,
3220 .mode_fixup = dce_v6_0_ext_mode_fixup,
3221 .prepare = dce_v6_0_ext_prepare,
3222 .mode_set = dce_v6_0_ext_mode_set,
3223 .commit = dce_v6_0_ext_commit,
3224 .disable = dce_v6_0_ext_disable,
3225 /* no detect for TMDS/LVDS yet */
3226 };
3227
3228 static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3229 .dpms = amdgpu_atombios_encoder_dpms,
3230 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3231 .prepare = dce_v6_0_encoder_prepare,
3232 .mode_set = dce_v6_0_encoder_mode_set,
3233 .commit = dce_v6_0_encoder_commit,
3234 .disable = dce_v6_0_encoder_disable,
3235 .detect = amdgpu_atombios_encoder_dig_detect,
3236 };
3237
3238 static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3239 .dpms = amdgpu_atombios_encoder_dpms,
3240 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3241 .prepare = dce_v6_0_encoder_prepare,
3242 .mode_set = dce_v6_0_encoder_mode_set,
3243 .commit = dce_v6_0_encoder_commit,
3244 .detect = amdgpu_atombios_encoder_dac_detect,
3245 };
3246
3247 static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3248 {
3249 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3250 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3251 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3252 kfree(amdgpu_encoder->enc_priv);
3253 drm_encoder_cleanup(encoder);
3254 kfree(amdgpu_encoder);
3255 }
3256
3257 static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3258 .destroy = dce_v6_0_encoder_destroy,
3259 };
3260
3261 static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3262 uint32_t encoder_enum,
3263 uint32_t supported_device,
3264 u16 caps)
3265 {
3266 struct drm_device *dev = adev->ddev;
3267 struct drm_encoder *encoder;
3268 struct amdgpu_encoder *amdgpu_encoder;
3269
3270 /* see if we already added it */
3271 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3272 amdgpu_encoder = to_amdgpu_encoder(encoder);
3273 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3274 amdgpu_encoder->devices |= supported_device;
3275 return;
3276 }
3277
3278 }
3279
3280 /* add a new one */
3281 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3282 if (!amdgpu_encoder)
3283 return;
3284
3285 encoder = &amdgpu_encoder->base;
3286 switch (adev->mode_info.num_crtc) {
3287 case 1:
3288 encoder->possible_crtcs = 0x1;
3289 break;
3290 case 2:
3291 default:
3292 encoder->possible_crtcs = 0x3;
3293 break;
3294 case 4:
3295 encoder->possible_crtcs = 0xf;
3296 break;
3297 case 6:
3298 encoder->possible_crtcs = 0x3f;
3299 break;
3300 }
3301
3302 amdgpu_encoder->enc_priv = NULL;
3303 amdgpu_encoder->encoder_enum = encoder_enum;
3304 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3305 amdgpu_encoder->devices = supported_device;
3306 amdgpu_encoder->rmx_type = RMX_OFF;
3307 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3308 amdgpu_encoder->is_ext_encoder = false;
3309 amdgpu_encoder->caps = caps;
3310
3311 switch (amdgpu_encoder->encoder_id) {
3312 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3313 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3314 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3315 DRM_MODE_ENCODER_DAC, NULL);
3316 drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3317 break;
3318 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3319 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3320 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3321 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3322 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3323 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3324 amdgpu_encoder->rmx_type = RMX_FULL;
3325 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3326 DRM_MODE_ENCODER_LVDS, NULL);
3327 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3328 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3329 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3330 DRM_MODE_ENCODER_DAC, NULL);
3331 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3332 } else {
3333 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3334 DRM_MODE_ENCODER_TMDS, NULL);
3335 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3336 }
3337 drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3338 break;
3339 case ENCODER_OBJECT_ID_SI170B:
3340 case ENCODER_OBJECT_ID_CH7303:
3341 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3342 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3343 case ENCODER_OBJECT_ID_TITFP513:
3344 case ENCODER_OBJECT_ID_VT1623:
3345 case ENCODER_OBJECT_ID_HDMI_SI1930:
3346 case ENCODER_OBJECT_ID_TRAVIS:
3347 case ENCODER_OBJECT_ID_NUTMEG:
3348 /* these are handled by the primary encoders */
3349 amdgpu_encoder->is_ext_encoder = true;
3350 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3351 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3352 DRM_MODE_ENCODER_LVDS, NULL);
3353 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3354 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3355 DRM_MODE_ENCODER_DAC, NULL);
3356 else
3357 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3358 DRM_MODE_ENCODER_TMDS, NULL);
3359 drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3360 break;
3361 }
3362 }
3363
3364 static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3365 .bandwidth_update = &dce_v6_0_bandwidth_update,
3366 .vblank_get_counter = &dce_v6_0_vblank_get_counter,
3367 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3368 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3369 .hpd_sense = &dce_v6_0_hpd_sense,
3370 .hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3371 .hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3372 .page_flip = &dce_v6_0_page_flip,
3373 .page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3374 .add_encoder = &dce_v6_0_encoder_add,
3375 .add_connector = &amdgpu_connector_add,
3376 };
3377
3378 static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3379 {
3380 adev->mode_info.funcs = &dce_v6_0_display_funcs;
3381 }
3382
3383 static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3384 .set = dce_v6_0_set_crtc_interrupt_state,
3385 .process = dce_v6_0_crtc_irq,
3386 };
3387
3388 static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3389 .set = dce_v6_0_set_pageflip_interrupt_state,
3390 .process = dce_v6_0_pageflip_irq,
3391 };
3392
3393 static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3394 .set = dce_v6_0_set_hpd_interrupt_state,
3395 .process = dce_v6_0_hpd_irq,
3396 };
3397
3398 static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3399 {
3400 if (adev->mode_info.num_crtc > 0)
3401 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3402 else
3403 adev->crtc_irq.num_types = 0;
3404 adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3405
3406 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3407 adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3408
3409 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3410 adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3411 }
3412
3413 const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3414 {
3415 .type = AMD_IP_BLOCK_TYPE_DCE,
3416 .major = 6,
3417 .minor = 0,
3418 .rev = 0,
3419 .funcs = &dce_v6_0_ip_funcs,
3420 };
3421
3422 const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3423 {
3424 .type = AMD_IP_BLOCK_TYPE_DCE,
3425 .major = 6,
3426 .minor = 4,
3427 .rev = 0,
3428 .funcs = &dce_v6_0_ip_funcs,
3429 };
Linux with added FPC-III support