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1/*
2 * Copyright 2015 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#include <linux/pci.h>
25
26#include <drm/drm_edid.h>
27#include <drm/drm_fourcc.h>
28#include <drm/drm_modeset_helper.h>
29#include <drm/drm_modeset_helper_vtables.h>
30#include <drm/drm_vblank.h>
31
32#include "amdgpu.h"
33#include "amdgpu_pm.h"
34#include "amdgpu_i2c.h"
35#include "atom.h"
36#include "amdgpu_atombios.h"
37#include "atombios_crtc.h"
38#include "atombios_encoders.h"
39#include "amdgpu_pll.h"
40#include "amdgpu_connectors.h"
41#include "amdgpu_display.h"
42
43#include "bif/bif_3_0_d.h"
44#include "bif/bif_3_0_sh_mask.h"
45#include "oss/oss_1_0_d.h"
46#include "oss/oss_1_0_sh_mask.h"
47#include "gca/gfx_6_0_d.h"
48#include "gca/gfx_6_0_sh_mask.h"
49#include "gmc/gmc_6_0_d.h"
50#include "gmc/gmc_6_0_sh_mask.h"
51#include "dce/dce_6_0_d.h"
52#include "dce/dce_6_0_sh_mask.h"
53#include "gca/gfx_7_2_enum.h"
54#include "dce_v6_0.h"
55#include "si_enums.h"
56
57static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
58static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
59
60static const u32 crtc_offsets[6] =
61{
62 SI_CRTC0_REGISTER_OFFSET,
63 SI_CRTC1_REGISTER_OFFSET,
64 SI_CRTC2_REGISTER_OFFSET,
65 SI_CRTC3_REGISTER_OFFSET,
66 SI_CRTC4_REGISTER_OFFSET,
67 SI_CRTC5_REGISTER_OFFSET
68};
69
70static const u32 hpd_offsets[] =
71{
72 mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
73 mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
74 mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
75 mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
76 mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
77 mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
78};
79
80static const uint32_t dig_offsets[] = {
81 SI_CRTC0_REGISTER_OFFSET,
82 SI_CRTC1_REGISTER_OFFSET,
83 SI_CRTC2_REGISTER_OFFSET,
84 SI_CRTC3_REGISTER_OFFSET,
85 SI_CRTC4_REGISTER_OFFSET,
86 SI_CRTC5_REGISTER_OFFSET,
87 (0x13830 - 0x7030) >> 2,
88};
89
90static const struct {
91 uint32_t reg;
92 uint32_t vblank;
93 uint32_t vline;
94 uint32_t hpd;
95
96} interrupt_status_offsets[6] = { {
97 .reg = mmDISP_INTERRUPT_STATUS,
98 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
99 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
100 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
101}, {
102 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
103 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
104 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
105 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
106}, {
107 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
108 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
109 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
110 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
111}, {
112 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
113 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
114 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
115 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
116}, {
117 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
118 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
119 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
120 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
121}, {
122 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
123 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
124 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
125 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
126} };
127
128static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
129 u32 block_offset, u32 reg)
130{
131 unsigned long flags;
132 u32 r;
133
134 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
135 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
136 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
137 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
138
139 return r;
140}
141
142static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
143 u32 block_offset, u32 reg, u32 v)
144{
145 unsigned long flags;
146
147 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
148 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
149 reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
150 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
151 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
152}
153
154static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
155{
156 if (crtc >= adev->mode_info.num_crtc)
157 return 0;
158 else
159 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
160}
161
162static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
163{
164 unsigned i;
165
166 /* Enable pflip interrupts */
167 for (i = 0; i < adev->mode_info.num_crtc; i++)
168 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
169}
170
171static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
172{
173 unsigned i;
174
175 /* Disable pflip interrupts */
176 for (i = 0; i < adev->mode_info.num_crtc; i++)
177 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
178}
179
180/**
181 * dce_v6_0_page_flip - pageflip callback.
182 *
183 * @adev: amdgpu_device pointer
184 * @crtc_id: crtc to cleanup pageflip on
185 * @crtc_base: new address of the crtc (GPU MC address)
186 * @async: asynchronous flip
187 *
188 * Does the actual pageflip (evergreen+).
189 * During vblank we take the crtc lock and wait for the update_pending
190 * bit to go high, when it does, we release the lock, and allow the
191 * double buffered update to take place.
192 * Returns the current update pending status.
193 */
194static void dce_v6_0_page_flip(struct amdgpu_device *adev,
195 int crtc_id, u64 crtc_base, bool async)
196{
197 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
198 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
199
200 /* flip at hsync for async, default is vsync */
201 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
202 GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
203 /* update pitch */
204 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
205 fb->pitches[0] / fb->format->cpp[0]);
206 /* update the scanout addresses */
207 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
208 upper_32_bits(crtc_base));
209 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
210 (u32)crtc_base);
211
212 /* post the write */
213 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
214}
215
216static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
217 u32 *vbl, u32 *position)
218{
219 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
220 return -EINVAL;
221 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
222 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
223
224 return 0;
225
226}
227
228/**
229 * dce_v6_0_hpd_sense - hpd sense callback.
230 *
231 * @adev: amdgpu_device pointer
232 * @hpd: hpd (hotplug detect) pin
233 *
234 * Checks if a digital monitor is connected (evergreen+).
235 * Returns true if connected, false if not connected.
236 */
237static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
238 enum amdgpu_hpd_id hpd)
239{
240 bool connected = false;
241
242 if (hpd >= adev->mode_info.num_hpd)
243 return connected;
244
245 if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
246 connected = true;
247
248 return connected;
249}
250
251/**
252 * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
253 *
254 * @adev: amdgpu_device pointer
255 * @hpd: hpd (hotplug detect) pin
256 *
257 * Set the polarity of the hpd pin (evergreen+).
258 */
259static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
260 enum amdgpu_hpd_id hpd)
261{
262 u32 tmp;
263 bool connected = dce_v6_0_hpd_sense(adev, hpd);
264
265 if (hpd >= adev->mode_info.num_hpd)
266 return;
267
268 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
269 if (connected)
270 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
271 else
272 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
273 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
274}
275
276static void dce_v6_0_hpd_int_ack(struct amdgpu_device *adev,
277 int hpd)
278{
279 u32 tmp;
280
281 if (hpd >= adev->mode_info.num_hpd) {
282 DRM_DEBUG("invalid hdp %d\n", hpd);
283 return;
284 }
285
286 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
287 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
288 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
289}
290
291/**
292 * dce_v6_0_hpd_init - hpd setup callback.
293 *
294 * @adev: amdgpu_device pointer
295 *
296 * Setup the hpd pins used by the card (evergreen+).
297 * Enable the pin, set the polarity, and enable the hpd interrupts.
298 */
299static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
300{
301 struct drm_device *dev = adev_to_drm(adev);
302 struct drm_connector *connector;
303 struct drm_connector_list_iter iter;
304 u32 tmp;
305
306 drm_connector_list_iter_begin(dev, &iter);
307 drm_for_each_connector_iter(connector, &iter) {
308 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
309
310 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
311 continue;
312
313 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
314 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
315 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
316
317 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
318 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
319 /* don't try to enable hpd on eDP or LVDS avoid breaking the
320 * aux dp channel on imac and help (but not completely fix)
321 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
322 * also avoid interrupt storms during dpms.
323 */
324 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
325 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
326 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
327 continue;
328 }
329
330 dce_v6_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
331 dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
332 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
333 }
334 drm_connector_list_iter_end(&iter);
335}
336
337/**
338 * dce_v6_0_hpd_fini - hpd tear down callback.
339 *
340 * @adev: amdgpu_device pointer
341 *
342 * Tear down the hpd pins used by the card (evergreen+).
343 * Disable the hpd interrupts.
344 */
345static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
346{
347 struct drm_device *dev = adev_to_drm(adev);
348 struct drm_connector *connector;
349 struct drm_connector_list_iter iter;
350 u32 tmp;
351
352 drm_connector_list_iter_begin(dev, &iter);
353 drm_for_each_connector_iter(connector, &iter) {
354 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
355
356 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
357 continue;
358
359 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
360 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
361 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
362
363 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
364 }
365 drm_connector_list_iter_end(&iter);
366}
367
368static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
369{
370 return mmDC_GPIO_HPD_A;
371}
372
373static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
374 bool render)
375{
376 if (!render)
377 WREG32(mmVGA_RENDER_CONTROL,
378 RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
379
380}
381
382static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
383{
384 switch (adev->asic_type) {
385 case CHIP_TAHITI:
386 case CHIP_PITCAIRN:
387 case CHIP_VERDE:
388 return 6;
389 case CHIP_OLAND:
390 return 2;
391 default:
392 return 0;
393 }
394}
395
396void dce_v6_0_disable_dce(struct amdgpu_device *adev)
397{
398 /*Disable VGA render and enabled crtc, if has DCE engine*/
399 if (amdgpu_atombios_has_dce_engine_info(adev)) {
400 u32 tmp;
401 int crtc_enabled, i;
402
403 dce_v6_0_set_vga_render_state(adev, false);
404
405 /*Disable crtc*/
406 for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
407 crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
408 CRTC_CONTROL__CRTC_MASTER_EN_MASK;
409 if (crtc_enabled) {
410 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
411 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
412 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
413 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
414 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
415 }
416 }
417 }
418}
419
420static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
421{
422
423 struct drm_device *dev = encoder->dev;
424 struct amdgpu_device *adev = drm_to_adev(dev);
425 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
426 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
427 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
428 int bpc = 0;
429 u32 tmp = 0;
430 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
431
432 if (connector) {
433 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
434 bpc = amdgpu_connector_get_monitor_bpc(connector);
435 dither = amdgpu_connector->dither;
436 }
437
438 /* LVDS FMT is set up by atom */
439 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
440 return;
441
442 if (bpc == 0)
443 return;
444
445
446 switch (bpc) {
447 case 6:
448 if (dither == AMDGPU_FMT_DITHER_ENABLE)
449 /* XXX sort out optimal dither settings */
450 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
451 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
452 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
453 else
454 tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
455 break;
456 case 8:
457 if (dither == AMDGPU_FMT_DITHER_ENABLE)
458 /* XXX sort out optimal dither settings */
459 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
460 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
461 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
462 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
463 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
464 else
465 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
466 FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
467 break;
468 case 10:
469 default:
470 /* not needed */
471 break;
472 }
473
474 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
475}
476
477/**
478 * si_get_number_of_dram_channels - get the number of dram channels
479 *
480 * @adev: amdgpu_device pointer
481 *
482 * Look up the number of video ram channels (CIK).
483 * Used for display watermark bandwidth calculations
484 * Returns the number of dram channels
485 */
486static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
487{
488 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
489
490 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
491 case 0:
492 default:
493 return 1;
494 case 1:
495 return 2;
496 case 2:
497 return 4;
498 case 3:
499 return 8;
500 case 4:
501 return 3;
502 case 5:
503 return 6;
504 case 6:
505 return 10;
506 case 7:
507 return 12;
508 case 8:
509 return 16;
510 }
511}
512
513struct dce6_wm_params {
514 u32 dram_channels; /* number of dram channels */
515 u32 yclk; /* bandwidth per dram data pin in kHz */
516 u32 sclk; /* engine clock in kHz */
517 u32 disp_clk; /* display clock in kHz */
518 u32 src_width; /* viewport width */
519 u32 active_time; /* active display time in ns */
520 u32 blank_time; /* blank time in ns */
521 bool interlaced; /* mode is interlaced */
522 fixed20_12 vsc; /* vertical scale ratio */
523 u32 num_heads; /* number of active crtcs */
524 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
525 u32 lb_size; /* line buffer allocated to pipe */
526 u32 vtaps; /* vertical scaler taps */
527};
528
529/**
530 * dce_v6_0_dram_bandwidth - get the dram bandwidth
531 *
532 * @wm: watermark calculation data
533 *
534 * Calculate the raw dram bandwidth (CIK).
535 * Used for display watermark bandwidth calculations
536 * Returns the dram bandwidth in MBytes/s
537 */
538static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
539{
540 /* Calculate raw DRAM Bandwidth */
541 fixed20_12 dram_efficiency; /* 0.7 */
542 fixed20_12 yclk, dram_channels, bandwidth;
543 fixed20_12 a;
544
545 a.full = dfixed_const(1000);
546 yclk.full = dfixed_const(wm->yclk);
547 yclk.full = dfixed_div(yclk, a);
548 dram_channels.full = dfixed_const(wm->dram_channels * 4);
549 a.full = dfixed_const(10);
550 dram_efficiency.full = dfixed_const(7);
551 dram_efficiency.full = dfixed_div(dram_efficiency, a);
552 bandwidth.full = dfixed_mul(dram_channels, yclk);
553 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
554
555 return dfixed_trunc(bandwidth);
556}
557
558/**
559 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
560 *
561 * @wm: watermark calculation data
562 *
563 * Calculate the dram bandwidth used for display (CIK).
564 * Used for display watermark bandwidth calculations
565 * Returns the dram bandwidth for display in MBytes/s
566 */
567static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
568{
569 /* Calculate DRAM Bandwidth and the part allocated to display. */
570 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
571 fixed20_12 yclk, dram_channels, bandwidth;
572 fixed20_12 a;
573
574 a.full = dfixed_const(1000);
575 yclk.full = dfixed_const(wm->yclk);
576 yclk.full = dfixed_div(yclk, a);
577 dram_channels.full = dfixed_const(wm->dram_channels * 4);
578 a.full = dfixed_const(10);
579 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
580 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
581 bandwidth.full = dfixed_mul(dram_channels, yclk);
582 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
583
584 return dfixed_trunc(bandwidth);
585}
586
587/**
588 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
589 *
590 * @wm: watermark calculation data
591 *
592 * Calculate the data return bandwidth used for display (CIK).
593 * Used for display watermark bandwidth calculations
594 * Returns the data return bandwidth in MBytes/s
595 */
596static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
597{
598 /* Calculate the display Data return Bandwidth */
599 fixed20_12 return_efficiency; /* 0.8 */
600 fixed20_12 sclk, bandwidth;
601 fixed20_12 a;
602
603 a.full = dfixed_const(1000);
604 sclk.full = dfixed_const(wm->sclk);
605 sclk.full = dfixed_div(sclk, a);
606 a.full = dfixed_const(10);
607 return_efficiency.full = dfixed_const(8);
608 return_efficiency.full = dfixed_div(return_efficiency, a);
609 a.full = dfixed_const(32);
610 bandwidth.full = dfixed_mul(a, sclk);
611 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
612
613 return dfixed_trunc(bandwidth);
614}
615
616/**
617 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
618 *
619 * @wm: watermark calculation data
620 *
621 * Calculate the dmif bandwidth used for display (CIK).
622 * Used for display watermark bandwidth calculations
623 * Returns the dmif bandwidth in MBytes/s
624 */
625static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
626{
627 /* Calculate the DMIF Request Bandwidth */
628 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
629 fixed20_12 disp_clk, bandwidth;
630 fixed20_12 a, b;
631
632 a.full = dfixed_const(1000);
633 disp_clk.full = dfixed_const(wm->disp_clk);
634 disp_clk.full = dfixed_div(disp_clk, a);
635 a.full = dfixed_const(32);
636 b.full = dfixed_mul(a, disp_clk);
637
638 a.full = dfixed_const(10);
639 disp_clk_request_efficiency.full = dfixed_const(8);
640 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
641
642 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
643
644 return dfixed_trunc(bandwidth);
645}
646
647/**
648 * dce_v6_0_available_bandwidth - get the min available bandwidth
649 *
650 * @wm: watermark calculation data
651 *
652 * Calculate the min available bandwidth used for display (CIK).
653 * Used for display watermark bandwidth calculations
654 * Returns the min available bandwidth in MBytes/s
655 */
656static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
657{
658 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
659 u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
660 u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
661 u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
662
663 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
664}
665
666/**
667 * dce_v6_0_average_bandwidth - get the average available bandwidth
668 *
669 * @wm: watermark calculation data
670 *
671 * Calculate the average available bandwidth used for display (CIK).
672 * Used for display watermark bandwidth calculations
673 * Returns the average available bandwidth in MBytes/s
674 */
675static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
676{
677 /* Calculate the display mode Average Bandwidth
678 * DisplayMode should contain the source and destination dimensions,
679 * timing, etc.
680 */
681 fixed20_12 bpp;
682 fixed20_12 line_time;
683 fixed20_12 src_width;
684 fixed20_12 bandwidth;
685 fixed20_12 a;
686
687 a.full = dfixed_const(1000);
688 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
689 line_time.full = dfixed_div(line_time, a);
690 bpp.full = dfixed_const(wm->bytes_per_pixel);
691 src_width.full = dfixed_const(wm->src_width);
692 bandwidth.full = dfixed_mul(src_width, bpp);
693 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
694 bandwidth.full = dfixed_div(bandwidth, line_time);
695
696 return dfixed_trunc(bandwidth);
697}
698
699/**
700 * dce_v6_0_latency_watermark - get the latency watermark
701 *
702 * @wm: watermark calculation data
703 *
704 * Calculate the latency watermark (CIK).
705 * Used for display watermark bandwidth calculations
706 * Returns the latency watermark in ns
707 */
708static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
709{
710 /* First calculate the latency in ns */
711 u32 mc_latency = 2000; /* 2000 ns. */
712 u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
713 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
714 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
715 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
716 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
717 (wm->num_heads * cursor_line_pair_return_time);
718 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
719 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
720 u32 tmp, dmif_size = 12288;
721 fixed20_12 a, b, c;
722
723 if (wm->num_heads == 0)
724 return 0;
725
726 a.full = dfixed_const(2);
727 b.full = dfixed_const(1);
728 if ((wm->vsc.full > a.full) ||
729 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
730 (wm->vtaps >= 5) ||
731 ((wm->vsc.full >= a.full) && wm->interlaced))
732 max_src_lines_per_dst_line = 4;
733 else
734 max_src_lines_per_dst_line = 2;
735
736 a.full = dfixed_const(available_bandwidth);
737 b.full = dfixed_const(wm->num_heads);
738 a.full = dfixed_div(a, b);
739 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
740 tmp = min(dfixed_trunc(a), tmp);
741
742 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
743
744 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
745 b.full = dfixed_const(1000);
746 c.full = dfixed_const(lb_fill_bw);
747 b.full = dfixed_div(c, b);
748 a.full = dfixed_div(a, b);
749 line_fill_time = dfixed_trunc(a);
750
751 if (line_fill_time < wm->active_time)
752 return latency;
753 else
754 return latency + (line_fill_time - wm->active_time);
755
756}
757
758/**
759 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
760 * average and available dram bandwidth
761 *
762 * @wm: watermark calculation data
763 *
764 * Check if the display average bandwidth fits in the display
765 * dram bandwidth (CIK).
766 * Used for display watermark bandwidth calculations
767 * Returns true if the display fits, false if not.
768 */
769static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
770{
771 if (dce_v6_0_average_bandwidth(wm) <=
772 (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
773 return true;
774 else
775 return false;
776}
777
778/**
779 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
780 * average and available bandwidth
781 *
782 * @wm: watermark calculation data
783 *
784 * Check if the display average bandwidth fits in the display
785 * available bandwidth (CIK).
786 * Used for display watermark bandwidth calculations
787 * Returns true if the display fits, false if not.
788 */
789static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
790{
791 if (dce_v6_0_average_bandwidth(wm) <=
792 (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
793 return true;
794 else
795 return false;
796}
797
798/**
799 * dce_v6_0_check_latency_hiding - check latency hiding
800 *
801 * @wm: watermark calculation data
802 *
803 * Check latency hiding (CIK).
804 * Used for display watermark bandwidth calculations
805 * Returns true if the display fits, false if not.
806 */
807static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
808{
809 u32 lb_partitions = wm->lb_size / wm->src_width;
810 u32 line_time = wm->active_time + wm->blank_time;
811 u32 latency_tolerant_lines;
812 u32 latency_hiding;
813 fixed20_12 a;
814
815 a.full = dfixed_const(1);
816 if (wm->vsc.full > a.full)
817 latency_tolerant_lines = 1;
818 else {
819 if (lb_partitions <= (wm->vtaps + 1))
820 latency_tolerant_lines = 1;
821 else
822 latency_tolerant_lines = 2;
823 }
824
825 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
826
827 if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
828 return true;
829 else
830 return false;
831}
832
833/**
834 * dce_v6_0_program_watermarks - program display watermarks
835 *
836 * @adev: amdgpu_device pointer
837 * @amdgpu_crtc: the selected display controller
838 * @lb_size: line buffer size
839 * @num_heads: number of display controllers in use
840 *
841 * Calculate and program the display watermarks for the
842 * selected display controller (CIK).
843 */
844static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
845 struct amdgpu_crtc *amdgpu_crtc,
846 u32 lb_size, u32 num_heads)
847{
848 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
849 struct dce6_wm_params wm_low, wm_high;
850 u32 dram_channels;
851 u32 active_time;
852 u32 line_time = 0;
853 u32 latency_watermark_a = 0, latency_watermark_b = 0;
854 u32 priority_a_mark = 0, priority_b_mark = 0;
855 u32 priority_a_cnt = PRIORITY_OFF;
856 u32 priority_b_cnt = PRIORITY_OFF;
857 u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
858 fixed20_12 a, b, c;
859
860 if (amdgpu_crtc->base.enabled && num_heads && mode) {
861 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
862 (u32)mode->clock);
863 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
864 (u32)mode->clock);
865 line_time = min_t(u32, line_time, 65535);
866 priority_a_cnt = 0;
867 priority_b_cnt = 0;
868
869 dram_channels = si_get_number_of_dram_channels(adev);
870
871 /* watermark for high clocks */
872 if (adev->pm.dpm_enabled) {
873 wm_high.yclk =
874 amdgpu_dpm_get_mclk(adev, false) * 10;
875 wm_high.sclk =
876 amdgpu_dpm_get_sclk(adev, false) * 10;
877 } else {
878 wm_high.yclk = adev->pm.current_mclk * 10;
879 wm_high.sclk = adev->pm.current_sclk * 10;
880 }
881
882 wm_high.disp_clk = mode->clock;
883 wm_high.src_width = mode->crtc_hdisplay;
884 wm_high.active_time = active_time;
885 wm_high.blank_time = line_time - wm_high.active_time;
886 wm_high.interlaced = false;
887 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
888 wm_high.interlaced = true;
889 wm_high.vsc = amdgpu_crtc->vsc;
890 wm_high.vtaps = 1;
891 if (amdgpu_crtc->rmx_type != RMX_OFF)
892 wm_high.vtaps = 2;
893 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
894 wm_high.lb_size = lb_size;
895 wm_high.dram_channels = dram_channels;
896 wm_high.num_heads = num_heads;
897
898 if (adev->pm.dpm_enabled) {
899 /* watermark for low clocks */
900 wm_low.yclk =
901 amdgpu_dpm_get_mclk(adev, true) * 10;
902 wm_low.sclk =
903 amdgpu_dpm_get_sclk(adev, true) * 10;
904 } else {
905 wm_low.yclk = adev->pm.current_mclk * 10;
906 wm_low.sclk = adev->pm.current_sclk * 10;
907 }
908
909 wm_low.disp_clk = mode->clock;
910 wm_low.src_width = mode->crtc_hdisplay;
911 wm_low.active_time = active_time;
912 wm_low.blank_time = line_time - wm_low.active_time;
913 wm_low.interlaced = false;
914 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
915 wm_low.interlaced = true;
916 wm_low.vsc = amdgpu_crtc->vsc;
917 wm_low.vtaps = 1;
918 if (amdgpu_crtc->rmx_type != RMX_OFF)
919 wm_low.vtaps = 2;
920 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
921 wm_low.lb_size = lb_size;
922 wm_low.dram_channels = dram_channels;
923 wm_low.num_heads = num_heads;
924
925 /* set for high clocks */
926 latency_watermark_a = min_t(u32, dce_v6_0_latency_watermark(&wm_high), 65535);
927 /* set for low clocks */
928 latency_watermark_b = min_t(u32, dce_v6_0_latency_watermark(&wm_low), 65535);
929
930 /* possibly force display priority to high */
931 /* should really do this at mode validation time... */
932 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
933 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
934 !dce_v6_0_check_latency_hiding(&wm_high) ||
935 (adev->mode_info.disp_priority == 2)) {
936 DRM_DEBUG_KMS("force priority to high\n");
937 priority_a_cnt |= PRIORITY_ALWAYS_ON;
938 priority_b_cnt |= PRIORITY_ALWAYS_ON;
939 }
940 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
941 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
942 !dce_v6_0_check_latency_hiding(&wm_low) ||
943 (adev->mode_info.disp_priority == 2)) {
944 DRM_DEBUG_KMS("force priority to high\n");
945 priority_a_cnt |= PRIORITY_ALWAYS_ON;
946 priority_b_cnt |= PRIORITY_ALWAYS_ON;
947 }
948
949 a.full = dfixed_const(1000);
950 b.full = dfixed_const(mode->clock);
951 b.full = dfixed_div(b, a);
952 c.full = dfixed_const(latency_watermark_a);
953 c.full = dfixed_mul(c, b);
954 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
955 c.full = dfixed_div(c, a);
956 a.full = dfixed_const(16);
957 c.full = dfixed_div(c, a);
958 priority_a_mark = dfixed_trunc(c);
959 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
960
961 a.full = dfixed_const(1000);
962 b.full = dfixed_const(mode->clock);
963 b.full = dfixed_div(b, a);
964 c.full = dfixed_const(latency_watermark_b);
965 c.full = dfixed_mul(c, b);
966 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
967 c.full = dfixed_div(c, a);
968 a.full = dfixed_const(16);
969 c.full = dfixed_div(c, a);
970 priority_b_mark = dfixed_trunc(c);
971 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
972
973 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
974 }
975
976 /* select wm A */
977 arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
978 tmp = arb_control3;
979 tmp &= ~LATENCY_WATERMARK_MASK(3);
980 tmp |= LATENCY_WATERMARK_MASK(1);
981 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
982 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
983 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
984 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
985 /* select wm B */
986 tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
987 tmp &= ~LATENCY_WATERMARK_MASK(3);
988 tmp |= LATENCY_WATERMARK_MASK(2);
989 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
990 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
991 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
992 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
993 /* restore original selection */
994 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
995
996 /* write the priority marks */
997 WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
998 WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
999
1000 /* save values for DPM */
1001 amdgpu_crtc->line_time = line_time;
1002 amdgpu_crtc->wm_high = latency_watermark_a;
1003
1004 /* Save number of lines the linebuffer leads before the scanout */
1005 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1006}
1007
1008/* watermark setup */
1009static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
1010 struct amdgpu_crtc *amdgpu_crtc,
1011 struct drm_display_mode *mode,
1012 struct drm_display_mode *other_mode)
1013{
1014 u32 tmp, buffer_alloc, i;
1015 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
1016 /*
1017 * Line Buffer Setup
1018 * There are 3 line buffers, each one shared by 2 display controllers.
1019 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1020 * the display controllers. The paritioning is done via one of four
1021 * preset allocations specified in bits 21:20:
1022 * 0 - half lb
1023 * 2 - whole lb, other crtc must be disabled
1024 */
1025 /* this can get tricky if we have two large displays on a paired group
1026 * of crtcs. Ideally for multiple large displays we'd assign them to
1027 * non-linked crtcs for maximum line buffer allocation.
1028 */
1029 if (amdgpu_crtc->base.enabled && mode) {
1030 if (other_mode) {
1031 tmp = 0; /* 1/2 */
1032 buffer_alloc = 1;
1033 } else {
1034 tmp = 2; /* whole */
1035 buffer_alloc = 2;
1036 }
1037 } else {
1038 tmp = 0;
1039 buffer_alloc = 0;
1040 }
1041
1042 WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1043 DC_LB_MEMORY_CONFIG(tmp));
1044
1045 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1046 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1047 for (i = 0; i < adev->usec_timeout; i++) {
1048 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1049 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1050 break;
1051 udelay(1);
1052 }
1053
1054 if (amdgpu_crtc->base.enabled && mode) {
1055 switch (tmp) {
1056 case 0:
1057 default:
1058 return 4096 * 2;
1059 case 2:
1060 return 8192 * 2;
1061 }
1062 }
1063
1064 /* controller not enabled, so no lb used */
1065 return 0;
1066}
1067
1068
1069/**
1070 * dce_v6_0_bandwidth_update - program display watermarks
1071 *
1072 * @adev: amdgpu_device pointer
1073 *
1074 * Calculate and program the display watermarks and line
1075 * buffer allocation (CIK).
1076 */
1077static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1078{
1079 struct drm_display_mode *mode0 = NULL;
1080 struct drm_display_mode *mode1 = NULL;
1081 u32 num_heads = 0, lb_size;
1082 int i;
1083
1084 if (!adev->mode_info.mode_config_initialized)
1085 return;
1086
1087 amdgpu_display_update_priority(adev);
1088
1089 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1090 if (adev->mode_info.crtcs[i]->base.enabled)
1091 num_heads++;
1092 }
1093 for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1094 mode0 = &adev->mode_info.crtcs[i]->base.mode;
1095 mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1096 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1097 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1098 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1099 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1100 }
1101}
1102
1103static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1104{
1105 int i;
1106 u32 tmp;
1107
1108 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1109 tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1110 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1111 if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1112 PORT_CONNECTIVITY))
1113 adev->mode_info.audio.pin[i].connected = false;
1114 else
1115 adev->mode_info.audio.pin[i].connected = true;
1116 }
1117
1118}
1119
1120static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1121{
1122 int i;
1123
1124 dce_v6_0_audio_get_connected_pins(adev);
1125
1126 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1127 if (adev->mode_info.audio.pin[i].connected)
1128 return &adev->mode_info.audio.pin[i];
1129 }
1130 DRM_ERROR("No connected audio pins found!\n");
1131 return NULL;
1132}
1133
1134static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1135{
1136 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1137 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1138 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1139
1140 if (!dig || !dig->afmt || !dig->afmt->pin)
1141 return;
1142
1143 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1144 REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1145 dig->afmt->pin->id));
1146}
1147
1148static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1149 struct drm_display_mode *mode)
1150{
1151 struct drm_device *dev = encoder->dev;
1152 struct amdgpu_device *adev = drm_to_adev(dev);
1153 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1154 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1155 struct drm_connector *connector;
1156 struct drm_connector_list_iter iter;
1157 struct amdgpu_connector *amdgpu_connector = NULL;
1158 int interlace = 0;
1159 u32 tmp;
1160
1161 drm_connector_list_iter_begin(dev, &iter);
1162 drm_for_each_connector_iter(connector, &iter) {
1163 if (connector->encoder == encoder) {
1164 amdgpu_connector = to_amdgpu_connector(connector);
1165 break;
1166 }
1167 }
1168 drm_connector_list_iter_end(&iter);
1169
1170 if (!amdgpu_connector) {
1171 DRM_ERROR("Couldn't find encoder's connector\n");
1172 return;
1173 }
1174
1175 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1176 interlace = 1;
1177
1178 if (connector->latency_present[interlace]) {
1179 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1180 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1181 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1182 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1183 } else {
1184 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1185 VIDEO_LIPSYNC, 0);
1186 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1187 AUDIO_LIPSYNC, 0);
1188 }
1189 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1190 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1191}
1192
1193static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1194{
1195 struct drm_device *dev = encoder->dev;
1196 struct amdgpu_device *adev = drm_to_adev(dev);
1197 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1198 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1199 struct drm_connector *connector;
1200 struct drm_connector_list_iter iter;
1201 struct amdgpu_connector *amdgpu_connector = NULL;
1202 u8 *sadb = NULL;
1203 int sad_count;
1204 u32 tmp;
1205
1206 drm_connector_list_iter_begin(dev, &iter);
1207 drm_for_each_connector_iter(connector, &iter) {
1208 if (connector->encoder == encoder) {
1209 amdgpu_connector = to_amdgpu_connector(connector);
1210 break;
1211 }
1212 }
1213 drm_connector_list_iter_end(&iter);
1214
1215 if (!amdgpu_connector) {
1216 DRM_ERROR("Couldn't find encoder's connector\n");
1217 return;
1218 }
1219
1220 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1221 if (sad_count < 0) {
1222 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1223 sad_count = 0;
1224 }
1225
1226 /* program the speaker allocation */
1227 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1228 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1229 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1230 HDMI_CONNECTION, 0);
1231 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1232 DP_CONNECTION, 0);
1233
1234 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1235 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1236 DP_CONNECTION, 1);
1237 else
1238 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1239 HDMI_CONNECTION, 1);
1240
1241 if (sad_count)
1242 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1243 SPEAKER_ALLOCATION, sadb[0]);
1244 else
1245 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1246 SPEAKER_ALLOCATION, 5); /* stereo */
1247
1248 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1249 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1250
1251 kfree(sadb);
1252}
1253
1254static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1255{
1256 struct drm_device *dev = encoder->dev;
1257 struct amdgpu_device *adev = drm_to_adev(dev);
1258 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1259 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1260 struct drm_connector *connector;
1261 struct drm_connector_list_iter iter;
1262 struct amdgpu_connector *amdgpu_connector = NULL;
1263 struct cea_sad *sads;
1264 int i, sad_count;
1265
1266 static const u16 eld_reg_to_type[][2] = {
1267 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1268 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1269 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1270 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1271 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1272 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1273 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1274 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1275 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1276 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1277 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1278 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1279 };
1280
1281 drm_connector_list_iter_begin(dev, &iter);
1282 drm_for_each_connector_iter(connector, &iter) {
1283 if (connector->encoder == encoder) {
1284 amdgpu_connector = to_amdgpu_connector(connector);
1285 break;
1286 }
1287 }
1288 drm_connector_list_iter_end(&iter);
1289
1290 if (!amdgpu_connector) {
1291 DRM_ERROR("Couldn't find encoder's connector\n");
1292 return;
1293 }
1294
1295 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1296 if (sad_count < 0)
1297 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1298 if (sad_count <= 0)
1299 return;
1300
1301 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1302 u32 tmp = 0;
1303 u8 stereo_freqs = 0;
1304 int max_channels = -1;
1305 int j;
1306
1307 for (j = 0; j < sad_count; j++) {
1308 struct cea_sad *sad = &sads[j];
1309
1310 if (sad->format == eld_reg_to_type[i][1]) {
1311 if (sad->channels > max_channels) {
1312 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1313 MAX_CHANNELS, sad->channels);
1314 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1315 DESCRIPTOR_BYTE_2, sad->byte2);
1316 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1317 SUPPORTED_FREQUENCIES, sad->freq);
1318 max_channels = sad->channels;
1319 }
1320
1321 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1322 stereo_freqs |= sad->freq;
1323 else
1324 break;
1325 }
1326 }
1327
1328 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1329 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1330 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1331 }
1332
1333 kfree(sads);
1334
1335}
1336
1337static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1338 struct amdgpu_audio_pin *pin,
1339 bool enable)
1340{
1341 if (!pin)
1342 return;
1343
1344 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1345 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1346}
1347
1348static const u32 pin_offsets[7] =
1349{
1350 (0x1780 - 0x1780),
1351 (0x1786 - 0x1780),
1352 (0x178c - 0x1780),
1353 (0x1792 - 0x1780),
1354 (0x1798 - 0x1780),
1355 (0x179d - 0x1780),
1356 (0x17a4 - 0x1780),
1357};
1358
1359static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1360{
1361 int i;
1362
1363 if (!amdgpu_audio)
1364 return 0;
1365
1366 adev->mode_info.audio.enabled = true;
1367
1368 switch (adev->asic_type) {
1369 case CHIP_TAHITI:
1370 case CHIP_PITCAIRN:
1371 case CHIP_VERDE:
1372 default:
1373 adev->mode_info.audio.num_pins = 6;
1374 break;
1375 case CHIP_OLAND:
1376 adev->mode_info.audio.num_pins = 2;
1377 break;
1378 }
1379
1380 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1381 adev->mode_info.audio.pin[i].channels = -1;
1382 adev->mode_info.audio.pin[i].rate = -1;
1383 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1384 adev->mode_info.audio.pin[i].status_bits = 0;
1385 adev->mode_info.audio.pin[i].category_code = 0;
1386 adev->mode_info.audio.pin[i].connected = false;
1387 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1388 adev->mode_info.audio.pin[i].id = i;
1389 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1390 }
1391
1392 return 0;
1393}
1394
1395static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1396{
1397 int i;
1398
1399 if (!amdgpu_audio)
1400 return;
1401
1402 if (!adev->mode_info.audio.enabled)
1403 return;
1404
1405 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1406 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1407
1408 adev->mode_info.audio.enabled = false;
1409}
1410
1411static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1412{
1413 struct drm_device *dev = encoder->dev;
1414 struct amdgpu_device *adev = drm_to_adev(dev);
1415 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1416 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1417 u32 tmp;
1418
1419 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1420 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1421 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1422 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1423 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1424}
1425
1426static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1427 uint32_t clock, int bpc)
1428{
1429 struct drm_device *dev = encoder->dev;
1430 struct amdgpu_device *adev = drm_to_adev(dev);
1431 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1432 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1433 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1434 u32 tmp;
1435
1436 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1437 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1438 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1439 bpc > 8 ? 0 : 1);
1440 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1441
1442 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1443 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1444 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1445 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1446 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1447 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1448
1449 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1450 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1451 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1452 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1453 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1454 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1455
1456 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1457 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1458 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1459 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1460 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1461 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1462}
1463
1464static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1465 struct drm_display_mode *mode)
1466{
1467 struct drm_device *dev = encoder->dev;
1468 struct amdgpu_device *adev = drm_to_adev(dev);
1469 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1470 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1471 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1472 struct hdmi_avi_infoframe frame;
1473 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1474 uint8_t *payload = buffer + 3;
1475 uint8_t *header = buffer;
1476 ssize_t err;
1477 u32 tmp;
1478
1479 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1480 if (err < 0) {
1481 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1482 return;
1483 }
1484
1485 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1486 if (err < 0) {
1487 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1488 return;
1489 }
1490
1491 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1492 payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1493 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1494 payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1495 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1496 payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1497 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1498 payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1499
1500 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1501 /* anything other than 0 */
1502 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1503 HDMI_AUDIO_INFO_LINE, 2);
1504 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1505}
1506
1507static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1508{
1509 struct drm_device *dev = encoder->dev;
1510 struct amdgpu_device *adev = drm_to_adev(dev);
1511 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1512 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1513 u32 tmp;
1514
1515 /*
1516 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1517 * Express [24MHz / target pixel clock] as an exact rational
1518 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1519 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1520 */
1521 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1522 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1523 DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1524 if (em == ATOM_ENCODER_MODE_HDMI) {
1525 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1526 DCCG_AUDIO_DTO_SEL, 0);
1527 } else if (ENCODER_MODE_IS_DP(em)) {
1528 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1529 DCCG_AUDIO_DTO_SEL, 1);
1530 }
1531 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1532 if (em == ATOM_ENCODER_MODE_HDMI) {
1533 WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1534 WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1535 } else if (ENCODER_MODE_IS_DP(em)) {
1536 WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1537 WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1538 }
1539}
1540
1541static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1542{
1543 struct drm_device *dev = encoder->dev;
1544 struct amdgpu_device *adev = drm_to_adev(dev);
1545 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1546 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1547 u32 tmp;
1548
1549 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1550 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1551 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1552
1553 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1554 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1555 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1556
1557 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1558 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1559 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1560
1561 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1562 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1563 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1564 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1565 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1566 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1567 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1568 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1569
1570 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1571 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1572 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1573
1574 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1575 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1576 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1577 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1578
1579 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1580 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1581 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1582 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1583}
1584
1585static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1586{
1587 struct drm_device *dev = encoder->dev;
1588 struct amdgpu_device *adev = drm_to_adev(dev);
1589 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1590 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1591 u32 tmp;
1592
1593 tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1594 tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1595 WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1596}
1597
1598static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1599{
1600 struct drm_device *dev = encoder->dev;
1601 struct amdgpu_device *adev = drm_to_adev(dev);
1602 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1603 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1604 u32 tmp;
1605
1606 if (enable) {
1607 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1608 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1609 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1610 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1611 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1612 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1613
1614 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1615 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1616 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1617
1618 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1619 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1620 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1621 } else {
1622 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1623 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1624 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1625 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1626 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1627 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1628
1629 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1630 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1631 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1632 }
1633}
1634
1635static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1636{
1637 struct drm_device *dev = encoder->dev;
1638 struct amdgpu_device *adev = drm_to_adev(dev);
1639 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1640 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1641 u32 tmp;
1642
1643 if (enable) {
1644 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1645 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1646 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1647
1648 tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1649 tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1650 WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1651
1652 tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1653 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1654 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1655 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1656 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1657 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1658 } else {
1659 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1660 }
1661}
1662
1663static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1664 struct drm_display_mode *mode)
1665{
1666 struct drm_device *dev = encoder->dev;
1667 struct amdgpu_device *adev = drm_to_adev(dev);
1668 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1669 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1670 struct drm_connector *connector;
1671 struct drm_connector_list_iter iter;
1672 struct amdgpu_connector *amdgpu_connector = NULL;
1673 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1674 int bpc = 8;
1675
1676 if (!dig || !dig->afmt)
1677 return;
1678
1679 drm_connector_list_iter_begin(dev, &iter);
1680 drm_for_each_connector_iter(connector, &iter) {
1681 if (connector->encoder == encoder) {
1682 amdgpu_connector = to_amdgpu_connector(connector);
1683 break;
1684 }
1685 }
1686 drm_connector_list_iter_end(&iter);
1687
1688 if (!amdgpu_connector) {
1689 DRM_ERROR("Couldn't find encoder's connector\n");
1690 return;
1691 }
1692
1693 if (!dig->afmt->enabled)
1694 return;
1695
1696 dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1697 if (!dig->afmt->pin)
1698 return;
1699
1700 if (encoder->crtc) {
1701 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1702 bpc = amdgpu_crtc->bpc;
1703 }
1704
1705 /* disable audio before setting up hw */
1706 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1707
1708 dce_v6_0_audio_set_mute(encoder, true);
1709 dce_v6_0_audio_write_speaker_allocation(encoder);
1710 dce_v6_0_audio_write_sad_regs(encoder);
1711 dce_v6_0_audio_write_latency_fields(encoder, mode);
1712 if (em == ATOM_ENCODER_MODE_HDMI) {
1713 dce_v6_0_audio_set_dto(encoder, mode->clock);
1714 dce_v6_0_audio_set_vbi_packet(encoder);
1715 dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1716 } else if (ENCODER_MODE_IS_DP(em)) {
1717 dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1718 }
1719 dce_v6_0_audio_set_packet(encoder);
1720 dce_v6_0_audio_select_pin(encoder);
1721 dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1722 dce_v6_0_audio_set_mute(encoder, false);
1723 if (em == ATOM_ENCODER_MODE_HDMI) {
1724 dce_v6_0_audio_hdmi_enable(encoder, 1);
1725 } else if (ENCODER_MODE_IS_DP(em)) {
1726 dce_v6_0_audio_dp_enable(encoder, 1);
1727 }
1728
1729 /* enable audio after setting up hw */
1730 dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1731}
1732
1733static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1734{
1735 struct drm_device *dev = encoder->dev;
1736 struct amdgpu_device *adev = drm_to_adev(dev);
1737 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1738 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1739
1740 if (!dig || !dig->afmt)
1741 return;
1742
1743 /* Silent, r600_hdmi_enable will raise WARN for us */
1744 if (enable && dig->afmt->enabled)
1745 return;
1746
1747 if (!enable && !dig->afmt->enabled)
1748 return;
1749
1750 if (!enable && dig->afmt->pin) {
1751 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1752 dig->afmt->pin = NULL;
1753 }
1754
1755 dig->afmt->enabled = enable;
1756
1757 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1758 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1759}
1760
1761static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1762{
1763 int i, j;
1764
1765 for (i = 0; i < adev->mode_info.num_dig; i++)
1766 adev->mode_info.afmt[i] = NULL;
1767
1768 /* DCE6 has audio blocks tied to DIG encoders */
1769 for (i = 0; i < adev->mode_info.num_dig; i++) {
1770 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1771 if (adev->mode_info.afmt[i]) {
1772 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1773 adev->mode_info.afmt[i]->id = i;
1774 } else {
1775 for (j = 0; j < i; j++) {
1776 kfree(adev->mode_info.afmt[j]);
1777 adev->mode_info.afmt[j] = NULL;
1778 }
1779 DRM_ERROR("Out of memory allocating afmt table\n");
1780 return -ENOMEM;
1781 }
1782 }
1783 return 0;
1784}
1785
1786static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1787{
1788 int i;
1789
1790 for (i = 0; i < adev->mode_info.num_dig; i++) {
1791 kfree(adev->mode_info.afmt[i]);
1792 adev->mode_info.afmt[i] = NULL;
1793 }
1794}
1795
1796static const u32 vga_control_regs[6] =
1797{
1798 mmD1VGA_CONTROL,
1799 mmD2VGA_CONTROL,
1800 mmD3VGA_CONTROL,
1801 mmD4VGA_CONTROL,
1802 mmD5VGA_CONTROL,
1803 mmD6VGA_CONTROL,
1804};
1805
1806static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1807{
1808 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1809 struct drm_device *dev = crtc->dev;
1810 struct amdgpu_device *adev = drm_to_adev(dev);
1811 u32 vga_control;
1812
1813 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1814 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1815}
1816
1817static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1818{
1819 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1820 struct drm_device *dev = crtc->dev;
1821 struct amdgpu_device *adev = drm_to_adev(dev);
1822
1823 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1824}
1825
1826static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1827 struct drm_framebuffer *fb,
1828 int x, int y, int atomic)
1829{
1830 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1831 struct drm_device *dev = crtc->dev;
1832 struct amdgpu_device *adev = drm_to_adev(dev);
1833 struct drm_framebuffer *target_fb;
1834 struct drm_gem_object *obj;
1835 struct amdgpu_bo *abo;
1836 uint64_t fb_location, tiling_flags;
1837 uint32_t fb_format, fb_pitch_pixels, pipe_config;
1838 u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1839 u32 viewport_w, viewport_h;
1840 int r;
1841 bool bypass_lut = false;
1842
1843 /* no fb bound */
1844 if (!atomic && !crtc->primary->fb) {
1845 DRM_DEBUG_KMS("No FB bound\n");
1846 return 0;
1847 }
1848
1849 if (atomic)
1850 target_fb = fb;
1851 else
1852 target_fb = crtc->primary->fb;
1853
1854 /* If atomic, assume fb object is pinned & idle & fenced and
1855 * just update base pointers
1856 */
1857 obj = target_fb->obj[0];
1858 abo = gem_to_amdgpu_bo(obj);
1859 r = amdgpu_bo_reserve(abo, false);
1860 if (unlikely(r != 0))
1861 return r;
1862
1863 if (!atomic) {
1864 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1865 if (unlikely(r != 0)) {
1866 amdgpu_bo_unreserve(abo);
1867 return -EINVAL;
1868 }
1869 }
1870 fb_location = amdgpu_bo_gpu_offset(abo);
1871
1872 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1873 amdgpu_bo_unreserve(abo);
1874
1875 switch (target_fb->format->format) {
1876 case DRM_FORMAT_C8:
1877 fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1878 GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1879 break;
1880 case DRM_FORMAT_XRGB4444:
1881 case DRM_FORMAT_ARGB4444:
1882 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1883 GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1884#ifdef __BIG_ENDIAN
1885 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1886#endif
1887 break;
1888 case DRM_FORMAT_XRGB1555:
1889 case DRM_FORMAT_ARGB1555:
1890 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1891 GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1892#ifdef __BIG_ENDIAN
1893 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1894#endif
1895 break;
1896 case DRM_FORMAT_BGRX5551:
1897 case DRM_FORMAT_BGRA5551:
1898 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1899 GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1900#ifdef __BIG_ENDIAN
1901 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1902#endif
1903 break;
1904 case DRM_FORMAT_RGB565:
1905 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1906 GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1907#ifdef __BIG_ENDIAN
1908 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1909#endif
1910 break;
1911 case DRM_FORMAT_XRGB8888:
1912 case DRM_FORMAT_ARGB8888:
1913 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1914 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1915#ifdef __BIG_ENDIAN
1916 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1917#endif
1918 break;
1919 case DRM_FORMAT_XRGB2101010:
1920 case DRM_FORMAT_ARGB2101010:
1921 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1922 GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1923#ifdef __BIG_ENDIAN
1924 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1925#endif
1926 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1927 bypass_lut = true;
1928 break;
1929 case DRM_FORMAT_BGRX1010102:
1930 case DRM_FORMAT_BGRA1010102:
1931 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1932 GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1933#ifdef __BIG_ENDIAN
1934 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1935#endif
1936 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1937 bypass_lut = true;
1938 break;
1939 case DRM_FORMAT_XBGR8888:
1940 case DRM_FORMAT_ABGR8888:
1941 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1942 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1943 fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1944 GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1945#ifdef __BIG_ENDIAN
1946 fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1947#endif
1948 break;
1949 default:
1950 DRM_ERROR("Unsupported screen format %p4cc\n",
1951 &target_fb->format->format);
1952 return -EINVAL;
1953 }
1954
1955 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1956 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1957
1958 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1959 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1960 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1961 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1962 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1963
1964 fb_format |= GRPH_NUM_BANKS(num_banks);
1965 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1966 fb_format |= GRPH_TILE_SPLIT(tile_split);
1967 fb_format |= GRPH_BANK_WIDTH(bankw);
1968 fb_format |= GRPH_BANK_HEIGHT(bankh);
1969 fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1970 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1971 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1972 }
1973
1974 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1975 fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1976
1977 dce_v6_0_vga_enable(crtc, false);
1978
1979 /* Make sure surface address is updated at vertical blank rather than
1980 * horizontal blank
1981 */
1982 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1983
1984 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1985 upper_32_bits(fb_location));
1986 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1987 upper_32_bits(fb_location));
1988 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1989 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1990 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1991 (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1992 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1993 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1994
1995 /*
1996 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1997 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1998 * retain the full precision throughout the pipeline.
1999 */
2000 WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
2001 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
2002 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
2003
2004 if (bypass_lut)
2005 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2006
2007 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2008 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2009 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2010 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2011 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2012 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2013
2014 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2015 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2016
2017 dce_v6_0_grph_enable(crtc, true);
2018
2019 WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2020 target_fb->height);
2021 x &= ~3;
2022 y &= ~1;
2023 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2024 (x << 16) | y);
2025 viewport_w = crtc->mode.hdisplay;
2026 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2027
2028 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2029 (viewport_w << 16) | viewport_h);
2030
2031 /* set pageflip to happen anywhere in vblank interval */
2032 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2033
2034 if (!atomic && fb && fb != crtc->primary->fb) {
2035 abo = gem_to_amdgpu_bo(fb->obj[0]);
2036 r = amdgpu_bo_reserve(abo, true);
2037 if (unlikely(r != 0))
2038 return r;
2039 amdgpu_bo_unpin(abo);
2040 amdgpu_bo_unreserve(abo);
2041 }
2042
2043 /* Bytes per pixel may have changed */
2044 dce_v6_0_bandwidth_update(adev);
2045
2046 return 0;
2047
2048}
2049
2050static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2051 struct drm_display_mode *mode)
2052{
2053 struct drm_device *dev = crtc->dev;
2054 struct amdgpu_device *adev = drm_to_adev(dev);
2055 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2056
2057 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2058 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2059 INTERLEAVE_EN);
2060 else
2061 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2062}
2063
2064static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2065{
2066
2067 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2068 struct drm_device *dev = crtc->dev;
2069 struct amdgpu_device *adev = drm_to_adev(dev);
2070 u16 *r, *g, *b;
2071 int i;
2072
2073 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2074
2075 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2076 ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2077 (0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2078 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2079 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2080 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2081 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2082 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2083 ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2084 (0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2085
2086 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2087
2088 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2089 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2090 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2091
2092 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2093 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2094 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2095
2096 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2097 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2098
2099 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2100 r = crtc->gamma_store;
2101 g = r + crtc->gamma_size;
2102 b = g + crtc->gamma_size;
2103 for (i = 0; i < 256; i++) {
2104 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2105 ((*r++ & 0xffc0) << 14) |
2106 ((*g++ & 0xffc0) << 4) |
2107 (*b++ >> 6));
2108 }
2109
2110 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2111 ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2112 (0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2113 ICON_DEGAMMA_MODE(0) |
2114 (0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2115 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2116 ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2117 (0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2118 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2119 ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2120 (0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2121 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2122 ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2123 (0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2124 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2125 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2126
2127
2128}
2129
2130static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2131{
2132 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2133 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2134
2135 switch (amdgpu_encoder->encoder_id) {
2136 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2137 return dig->linkb ? 1 : 0;
2138 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2139 return dig->linkb ? 3 : 2;
2140 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2141 return dig->linkb ? 5 : 4;
2142 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2143 return 6;
2144 default:
2145 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2146 return 0;
2147 }
2148}
2149
2150/**
2151 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2152 *
2153 * @crtc: drm crtc
2154 *
2155 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2156 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2157 * monitors a dedicated PPLL must be used. If a particular board has
2158 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2159 * as there is no need to program the PLL itself. If we are not able to
2160 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2161 * avoid messing up an existing monitor.
2162 *
2163 *
2164 */
2165static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2166{
2167 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2168 struct drm_device *dev = crtc->dev;
2169 struct amdgpu_device *adev = drm_to_adev(dev);
2170 u32 pll_in_use;
2171 int pll;
2172
2173 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2174 if (adev->clock.dp_extclk)
2175 /* skip PPLL programming if using ext clock */
2176 return ATOM_PPLL_INVALID;
2177 else
2178 return ATOM_PPLL0;
2179 } else {
2180 /* use the same PPLL for all monitors with the same clock */
2181 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2182 if (pll != ATOM_PPLL_INVALID)
2183 return pll;
2184 }
2185
2186 /* PPLL1, and PPLL2 */
2187 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2188 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2189 return ATOM_PPLL2;
2190 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2191 return ATOM_PPLL1;
2192 DRM_ERROR("unable to allocate a PPLL\n");
2193 return ATOM_PPLL_INVALID;
2194}
2195
2196static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2197{
2198 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2199 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2200 uint32_t cur_lock;
2201
2202 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2203 if (lock)
2204 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2205 else
2206 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2207 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2208}
2209
2210static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2211{
2212 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2213 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2214
2215 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2216 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2217 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2218
2219
2220}
2221
2222static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2223{
2224 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2225 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2226
2227 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2228 upper_32_bits(amdgpu_crtc->cursor_addr));
2229 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2230 lower_32_bits(amdgpu_crtc->cursor_addr));
2231
2232 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2233 CUR_CONTROL__CURSOR_EN_MASK |
2234 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2235 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2236
2237}
2238
2239static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2240 int x, int y)
2241{
2242 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2243 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2244 int xorigin = 0, yorigin = 0;
2245
2246 int w = amdgpu_crtc->cursor_width;
2247
2248 amdgpu_crtc->cursor_x = x;
2249 amdgpu_crtc->cursor_y = y;
2250
2251 /* avivo cursor are offset into the total surface */
2252 x += crtc->x;
2253 y += crtc->y;
2254 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2255
2256 if (x < 0) {
2257 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2258 x = 0;
2259 }
2260 if (y < 0) {
2261 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2262 y = 0;
2263 }
2264
2265 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2266 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2267 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2268 ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2269
2270 return 0;
2271}
2272
2273static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2274 int x, int y)
2275{
2276 int ret;
2277
2278 dce_v6_0_lock_cursor(crtc, true);
2279 ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2280 dce_v6_0_lock_cursor(crtc, false);
2281
2282 return ret;
2283}
2284
2285static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2286 struct drm_file *file_priv,
2287 uint32_t handle,
2288 uint32_t width,
2289 uint32_t height,
2290 int32_t hot_x,
2291 int32_t hot_y)
2292{
2293 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2294 struct drm_gem_object *obj;
2295 struct amdgpu_bo *aobj;
2296 int ret;
2297
2298 if (!handle) {
2299 /* turn off cursor */
2300 dce_v6_0_hide_cursor(crtc);
2301 obj = NULL;
2302 goto unpin;
2303 }
2304
2305 if ((width > amdgpu_crtc->max_cursor_width) ||
2306 (height > amdgpu_crtc->max_cursor_height)) {
2307 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2308 return -EINVAL;
2309 }
2310
2311 obj = drm_gem_object_lookup(file_priv, handle);
2312 if (!obj) {
2313 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2314 return -ENOENT;
2315 }
2316
2317 aobj = gem_to_amdgpu_bo(obj);
2318 ret = amdgpu_bo_reserve(aobj, false);
2319 if (ret != 0) {
2320 drm_gem_object_put(obj);
2321 return ret;
2322 }
2323
2324 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2325 amdgpu_bo_unreserve(aobj);
2326 if (ret) {
2327 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2328 drm_gem_object_put(obj);
2329 return ret;
2330 }
2331 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2332
2333 dce_v6_0_lock_cursor(crtc, true);
2334
2335 if (width != amdgpu_crtc->cursor_width ||
2336 height != amdgpu_crtc->cursor_height ||
2337 hot_x != amdgpu_crtc->cursor_hot_x ||
2338 hot_y != amdgpu_crtc->cursor_hot_y) {
2339 int x, y;
2340
2341 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2342 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2343
2344 dce_v6_0_cursor_move_locked(crtc, x, y);
2345
2346 amdgpu_crtc->cursor_width = width;
2347 amdgpu_crtc->cursor_height = height;
2348 amdgpu_crtc->cursor_hot_x = hot_x;
2349 amdgpu_crtc->cursor_hot_y = hot_y;
2350 }
2351
2352 dce_v6_0_show_cursor(crtc);
2353 dce_v6_0_lock_cursor(crtc, false);
2354
2355unpin:
2356 if (amdgpu_crtc->cursor_bo) {
2357 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2358 ret = amdgpu_bo_reserve(aobj, true);
2359 if (likely(ret == 0)) {
2360 amdgpu_bo_unpin(aobj);
2361 amdgpu_bo_unreserve(aobj);
2362 }
2363 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2364 }
2365
2366 amdgpu_crtc->cursor_bo = obj;
2367 return 0;
2368}
2369
2370static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2371{
2372 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2373
2374 if (amdgpu_crtc->cursor_bo) {
2375 dce_v6_0_lock_cursor(crtc, true);
2376
2377 dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2378 amdgpu_crtc->cursor_y);
2379
2380 dce_v6_0_show_cursor(crtc);
2381 dce_v6_0_lock_cursor(crtc, false);
2382 }
2383}
2384
2385static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2386 u16 *blue, uint32_t size,
2387 struct drm_modeset_acquire_ctx *ctx)
2388{
2389 dce_v6_0_crtc_load_lut(crtc);
2390
2391 return 0;
2392}
2393
2394static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2395{
2396 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2397
2398 drm_crtc_cleanup(crtc);
2399 kfree(amdgpu_crtc);
2400}
2401
2402static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2403 .cursor_set2 = dce_v6_0_crtc_cursor_set2,
2404 .cursor_move = dce_v6_0_crtc_cursor_move,
2405 .gamma_set = dce_v6_0_crtc_gamma_set,
2406 .set_config = amdgpu_display_crtc_set_config,
2407 .destroy = dce_v6_0_crtc_destroy,
2408 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2409 .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2410 .enable_vblank = amdgpu_enable_vblank_kms,
2411 .disable_vblank = amdgpu_disable_vblank_kms,
2412 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2413};
2414
2415static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2416{
2417 struct drm_device *dev = crtc->dev;
2418 struct amdgpu_device *adev = drm_to_adev(dev);
2419 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2420 unsigned type;
2421
2422 switch (mode) {
2423 case DRM_MODE_DPMS_ON:
2424 amdgpu_crtc->enabled = true;
2425 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2426 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2427 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2428 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2429 amdgpu_crtc->crtc_id);
2430 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2431 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2432 drm_crtc_vblank_on(crtc);
2433 dce_v6_0_crtc_load_lut(crtc);
2434 break;
2435 case DRM_MODE_DPMS_STANDBY:
2436 case DRM_MODE_DPMS_SUSPEND:
2437 case DRM_MODE_DPMS_OFF:
2438 drm_crtc_vblank_off(crtc);
2439 if (amdgpu_crtc->enabled)
2440 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2441 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2442 amdgpu_crtc->enabled = false;
2443 break;
2444 }
2445 /* adjust pm to dpms */
2446 amdgpu_dpm_compute_clocks(adev);
2447}
2448
2449static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2450{
2451 /* disable crtc pair power gating before programming */
2452 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2453 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2454 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2455}
2456
2457static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2458{
2459 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2460 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2461}
2462
2463static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2464{
2465
2466 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2467 struct drm_device *dev = crtc->dev;
2468 struct amdgpu_device *adev = drm_to_adev(dev);
2469 struct amdgpu_atom_ss ss;
2470 int i;
2471
2472 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2473 if (crtc->primary->fb) {
2474 int r;
2475 struct amdgpu_bo *abo;
2476
2477 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2478 r = amdgpu_bo_reserve(abo, true);
2479 if (unlikely(r))
2480 DRM_ERROR("failed to reserve abo before unpin\n");
2481 else {
2482 amdgpu_bo_unpin(abo);
2483 amdgpu_bo_unreserve(abo);
2484 }
2485 }
2486 /* disable the GRPH */
2487 dce_v6_0_grph_enable(crtc, false);
2488
2489 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2490
2491 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2492 if (adev->mode_info.crtcs[i] &&
2493 adev->mode_info.crtcs[i]->enabled &&
2494 i != amdgpu_crtc->crtc_id &&
2495 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2496 /* one other crtc is using this pll don't turn
2497 * off the pll
2498 */
2499 goto done;
2500 }
2501 }
2502
2503 switch (amdgpu_crtc->pll_id) {
2504 case ATOM_PPLL1:
2505 case ATOM_PPLL2:
2506 /* disable the ppll */
2507 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2508 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2509 break;
2510 default:
2511 break;
2512 }
2513done:
2514 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2515 amdgpu_crtc->adjusted_clock = 0;
2516 amdgpu_crtc->encoder = NULL;
2517 amdgpu_crtc->connector = NULL;
2518}
2519
2520static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2521 struct drm_display_mode *mode,
2522 struct drm_display_mode *adjusted_mode,
2523 int x, int y, struct drm_framebuffer *old_fb)
2524{
2525 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2526
2527 if (!amdgpu_crtc->adjusted_clock)
2528 return -EINVAL;
2529
2530 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2531 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2532 dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2533 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2534 amdgpu_atombios_crtc_scaler_setup(crtc);
2535 dce_v6_0_cursor_reset(crtc);
2536 /* update the hw version fpr dpm */
2537 amdgpu_crtc->hw_mode = *adjusted_mode;
2538
2539 return 0;
2540}
2541
2542static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2543 const struct drm_display_mode *mode,
2544 struct drm_display_mode *adjusted_mode)
2545{
2546
2547 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2548 struct drm_device *dev = crtc->dev;
2549 struct drm_encoder *encoder;
2550
2551 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2552 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2553 if (encoder->crtc == crtc) {
2554 amdgpu_crtc->encoder = encoder;
2555 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2556 break;
2557 }
2558 }
2559 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2560 amdgpu_crtc->encoder = NULL;
2561 amdgpu_crtc->connector = NULL;
2562 return false;
2563 }
2564 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2565 return false;
2566 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2567 return false;
2568 /* pick pll */
2569 amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2570 /* if we can't get a PPLL for a non-DP encoder, fail */
2571 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2572 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2573 return false;
2574
2575 return true;
2576}
2577
2578static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2579 struct drm_framebuffer *old_fb)
2580{
2581 return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2582}
2583
2584static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2585 struct drm_framebuffer *fb,
2586 int x, int y, enum mode_set_atomic state)
2587{
2588 return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2589}
2590
2591static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2592 .dpms = dce_v6_0_crtc_dpms,
2593 .mode_fixup = dce_v6_0_crtc_mode_fixup,
2594 .mode_set = dce_v6_0_crtc_mode_set,
2595 .mode_set_base = dce_v6_0_crtc_set_base,
2596 .mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2597 .prepare = dce_v6_0_crtc_prepare,
2598 .commit = dce_v6_0_crtc_commit,
2599 .disable = dce_v6_0_crtc_disable,
2600 .get_scanout_position = amdgpu_crtc_get_scanout_position,
2601};
2602
2603static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2604{
2605 struct amdgpu_crtc *amdgpu_crtc;
2606
2607 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2608 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2609 if (amdgpu_crtc == NULL)
2610 return -ENOMEM;
2611
2612 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2613
2614 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2615 amdgpu_crtc->crtc_id = index;
2616 adev->mode_info.crtcs[index] = amdgpu_crtc;
2617
2618 amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2619 amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2620 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2621 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2622
2623 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2624
2625 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2626 amdgpu_crtc->adjusted_clock = 0;
2627 amdgpu_crtc->encoder = NULL;
2628 amdgpu_crtc->connector = NULL;
2629 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2630
2631 return 0;
2632}
2633
2634static int dce_v6_0_early_init(void *handle)
2635{
2636 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2637
2638 adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2639 adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2640
2641 dce_v6_0_set_display_funcs(adev);
2642
2643 adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2644
2645 switch (adev->asic_type) {
2646 case CHIP_TAHITI:
2647 case CHIP_PITCAIRN:
2648 case CHIP_VERDE:
2649 adev->mode_info.num_hpd = 6;
2650 adev->mode_info.num_dig = 6;
2651 break;
2652 case CHIP_OLAND:
2653 adev->mode_info.num_hpd = 2;
2654 adev->mode_info.num_dig = 2;
2655 break;
2656 default:
2657 return -EINVAL;
2658 }
2659
2660 dce_v6_0_set_irq_funcs(adev);
2661
2662 return 0;
2663}
2664
2665static int dce_v6_0_sw_init(void *handle)
2666{
2667 int r, i;
2668 bool ret;
2669 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2670
2671 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2672 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2673 if (r)
2674 return r;
2675 }
2676
2677 for (i = 8; i < 20; i += 2) {
2678 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2679 if (r)
2680 return r;
2681 }
2682
2683 /* HPD hotplug */
2684 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2685 if (r)
2686 return r;
2687
2688 adev->mode_info.mode_config_initialized = true;
2689
2690 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2691 adev_to_drm(adev)->mode_config.async_page_flip = true;
2692 adev_to_drm(adev)->mode_config.max_width = 16384;
2693 adev_to_drm(adev)->mode_config.max_height = 16384;
2694 adev_to_drm(adev)->mode_config.preferred_depth = 24;
2695 adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2696 adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2697
2698 r = amdgpu_display_modeset_create_props(adev);
2699 if (r)
2700 return r;
2701
2702 adev_to_drm(adev)->mode_config.max_width = 16384;
2703 adev_to_drm(adev)->mode_config.max_height = 16384;
2704
2705 /* allocate crtcs */
2706 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2707 r = dce_v6_0_crtc_init(adev, i);
2708 if (r)
2709 return r;
2710 }
2711
2712 ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2713 if (ret)
2714 amdgpu_display_print_display_setup(adev_to_drm(adev));
2715 else
2716 return -EINVAL;
2717
2718 /* setup afmt */
2719 r = dce_v6_0_afmt_init(adev);
2720 if (r)
2721 return r;
2722
2723 r = dce_v6_0_audio_init(adev);
2724 if (r)
2725 return r;
2726
2727 /* Disable vblank IRQs aggressively for power-saving */
2728 /* XXX: can this be enabled for DC? */
2729 adev_to_drm(adev)->vblank_disable_immediate = true;
2730
2731 r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2732 if (r)
2733 return r;
2734
2735 /* Pre-DCE11 */
2736 INIT_DELAYED_WORK(&adev->hotplug_work,
2737 amdgpu_display_hotplug_work_func);
2738
2739 drm_kms_helper_poll_init(adev_to_drm(adev));
2740
2741 return r;
2742}
2743
2744static int dce_v6_0_sw_fini(void *handle)
2745{
2746 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2747
2748 kfree(adev->mode_info.bios_hardcoded_edid);
2749
2750 drm_kms_helper_poll_fini(adev_to_drm(adev));
2751
2752 dce_v6_0_audio_fini(adev);
2753 dce_v6_0_afmt_fini(adev);
2754
2755 drm_mode_config_cleanup(adev_to_drm(adev));
2756 adev->mode_info.mode_config_initialized = false;
2757
2758 return 0;
2759}
2760
2761static int dce_v6_0_hw_init(void *handle)
2762{
2763 int i;
2764 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2765
2766 /* disable vga render */
2767 dce_v6_0_set_vga_render_state(adev, false);
2768 /* init dig PHYs, disp eng pll */
2769 amdgpu_atombios_encoder_init_dig(adev);
2770 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2771
2772 /* initialize hpd */
2773 dce_v6_0_hpd_init(adev);
2774
2775 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2776 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2777 }
2778
2779 dce_v6_0_pageflip_interrupt_init(adev);
2780
2781 return 0;
2782}
2783
2784static int dce_v6_0_hw_fini(void *handle)
2785{
2786 int i;
2787 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2788
2789 dce_v6_0_hpd_fini(adev);
2790
2791 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2792 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2793 }
2794
2795 dce_v6_0_pageflip_interrupt_fini(adev);
2796
2797 flush_delayed_work(&adev->hotplug_work);
2798
2799 return 0;
2800}
2801
2802static int dce_v6_0_suspend(void *handle)
2803{
2804 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2805 int r;
2806
2807 r = amdgpu_display_suspend_helper(adev);
2808 if (r)
2809 return r;
2810 adev->mode_info.bl_level =
2811 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2812
2813 return dce_v6_0_hw_fini(handle);
2814}
2815
2816static int dce_v6_0_resume(void *handle)
2817{
2818 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2819 int ret;
2820
2821 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2822 adev->mode_info.bl_level);
2823
2824 ret = dce_v6_0_hw_init(handle);
2825
2826 /* turn on the BL */
2827 if (adev->mode_info.bl_encoder) {
2828 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2829 adev->mode_info.bl_encoder);
2830 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2831 bl_level);
2832 }
2833 if (ret)
2834 return ret;
2835
2836 return amdgpu_display_resume_helper(adev);
2837}
2838
2839static bool dce_v6_0_is_idle(void *handle)
2840{
2841 return true;
2842}
2843
2844static int dce_v6_0_wait_for_idle(void *handle)
2845{
2846 return 0;
2847}
2848
2849static int dce_v6_0_soft_reset(void *handle)
2850{
2851 DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2852 return 0;
2853}
2854
2855static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2856 int crtc,
2857 enum amdgpu_interrupt_state state)
2858{
2859 u32 reg_block, interrupt_mask;
2860
2861 if (crtc >= adev->mode_info.num_crtc) {
2862 DRM_DEBUG("invalid crtc %d\n", crtc);
2863 return;
2864 }
2865
2866 switch (crtc) {
2867 case 0:
2868 reg_block = SI_CRTC0_REGISTER_OFFSET;
2869 break;
2870 case 1:
2871 reg_block = SI_CRTC1_REGISTER_OFFSET;
2872 break;
2873 case 2:
2874 reg_block = SI_CRTC2_REGISTER_OFFSET;
2875 break;
2876 case 3:
2877 reg_block = SI_CRTC3_REGISTER_OFFSET;
2878 break;
2879 case 4:
2880 reg_block = SI_CRTC4_REGISTER_OFFSET;
2881 break;
2882 case 5:
2883 reg_block = SI_CRTC5_REGISTER_OFFSET;
2884 break;
2885 default:
2886 DRM_DEBUG("invalid crtc %d\n", crtc);
2887 return;
2888 }
2889
2890 switch (state) {
2891 case AMDGPU_IRQ_STATE_DISABLE:
2892 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2893 interrupt_mask &= ~VBLANK_INT_MASK;
2894 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2895 break;
2896 case AMDGPU_IRQ_STATE_ENABLE:
2897 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2898 interrupt_mask |= VBLANK_INT_MASK;
2899 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2900 break;
2901 default:
2902 break;
2903 }
2904}
2905
2906static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2907 int crtc,
2908 enum amdgpu_interrupt_state state)
2909{
2910
2911}
2912
2913static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2914 struct amdgpu_irq_src *src,
2915 unsigned type,
2916 enum amdgpu_interrupt_state state)
2917{
2918 u32 dc_hpd_int_cntl;
2919
2920 if (type >= adev->mode_info.num_hpd) {
2921 DRM_DEBUG("invalid hdp %d\n", type);
2922 return 0;
2923 }
2924
2925 switch (state) {
2926 case AMDGPU_IRQ_STATE_DISABLE:
2927 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2928 dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2929 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2930 break;
2931 case AMDGPU_IRQ_STATE_ENABLE:
2932 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2933 dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2934 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2935 break;
2936 default:
2937 break;
2938 }
2939
2940 return 0;
2941}
2942
2943static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2944 struct amdgpu_irq_src *src,
2945 unsigned type,
2946 enum amdgpu_interrupt_state state)
2947{
2948 switch (type) {
2949 case AMDGPU_CRTC_IRQ_VBLANK1:
2950 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2951 break;
2952 case AMDGPU_CRTC_IRQ_VBLANK2:
2953 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2954 break;
2955 case AMDGPU_CRTC_IRQ_VBLANK3:
2956 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2957 break;
2958 case AMDGPU_CRTC_IRQ_VBLANK4:
2959 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2960 break;
2961 case AMDGPU_CRTC_IRQ_VBLANK5:
2962 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2963 break;
2964 case AMDGPU_CRTC_IRQ_VBLANK6:
2965 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2966 break;
2967 case AMDGPU_CRTC_IRQ_VLINE1:
2968 dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2969 break;
2970 case AMDGPU_CRTC_IRQ_VLINE2:
2971 dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2972 break;
2973 case AMDGPU_CRTC_IRQ_VLINE3:
2974 dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2975 break;
2976 case AMDGPU_CRTC_IRQ_VLINE4:
2977 dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2978 break;
2979 case AMDGPU_CRTC_IRQ_VLINE5:
2980 dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2981 break;
2982 case AMDGPU_CRTC_IRQ_VLINE6:
2983 dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2984 break;
2985 default:
2986 break;
2987 }
2988 return 0;
2989}
2990
2991static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2992 struct amdgpu_irq_src *source,
2993 struct amdgpu_iv_entry *entry)
2994{
2995 unsigned crtc = entry->src_id - 1;
2996 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2997 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2998 crtc);
2999
3000 switch (entry->src_data[0]) {
3001 case 0: /* vblank */
3002 if (disp_int & interrupt_status_offsets[crtc].vblank)
3003 WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
3004 else
3005 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3006
3007 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3008 drm_handle_vblank(adev_to_drm(adev), crtc);
3009 }
3010 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3011 break;
3012 case 1: /* vline */
3013 if (disp_int & interrupt_status_offsets[crtc].vline)
3014 WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
3015 else
3016 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3017
3018 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3019 break;
3020 default:
3021 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3022 break;
3023 }
3024
3025 return 0;
3026}
3027
3028static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3029 struct amdgpu_irq_src *src,
3030 unsigned type,
3031 enum amdgpu_interrupt_state state)
3032{
3033 u32 reg;
3034
3035 if (type >= adev->mode_info.num_crtc) {
3036 DRM_ERROR("invalid pageflip crtc %d\n", type);
3037 return -EINVAL;
3038 }
3039
3040 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3041 if (state == AMDGPU_IRQ_STATE_DISABLE)
3042 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3043 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3044 else
3045 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3046 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3047
3048 return 0;
3049}
3050
3051static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
3052 struct amdgpu_irq_src *source,
3053 struct amdgpu_iv_entry *entry)
3054{
3055 unsigned long flags;
3056 unsigned crtc_id;
3057 struct amdgpu_crtc *amdgpu_crtc;
3058 struct amdgpu_flip_work *works;
3059
3060 crtc_id = (entry->src_id - 8) >> 1;
3061 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3062
3063 if (crtc_id >= adev->mode_info.num_crtc) {
3064 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3065 return -EINVAL;
3066 }
3067
3068 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3069 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3070 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3071 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3072
3073 /* IRQ could occur when in initial stage */
3074 if (amdgpu_crtc == NULL)
3075 return 0;
3076
3077 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3078 works = amdgpu_crtc->pflip_works;
3079 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3080 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3081 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3082 amdgpu_crtc->pflip_status,
3083 AMDGPU_FLIP_SUBMITTED);
3084 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3085 return 0;
3086 }
3087
3088 /* page flip completed. clean up */
3089 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3090 amdgpu_crtc->pflip_works = NULL;
3091
3092 /* wakeup usersapce */
3093 if (works->event)
3094 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3095
3096 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3097
3098 drm_crtc_vblank_put(&amdgpu_crtc->base);
3099 schedule_work(&works->unpin_work);
3100
3101 return 0;
3102}
3103
3104static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3105 struct amdgpu_irq_src *source,
3106 struct amdgpu_iv_entry *entry)
3107{
3108 uint32_t disp_int, mask;
3109 unsigned hpd;
3110
3111 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3112 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3113 return 0;
3114 }
3115
3116 hpd = entry->src_data[0];
3117 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3118 mask = interrupt_status_offsets[hpd].hpd;
3119
3120 if (disp_int & mask) {
3121 dce_v6_0_hpd_int_ack(adev, hpd);
3122 schedule_delayed_work(&adev->hotplug_work, 0);
3123 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3124 }
3125
3126 return 0;
3127
3128}
3129
3130static int dce_v6_0_set_clockgating_state(void *handle,
3131 enum amd_clockgating_state state)
3132{
3133 return 0;
3134}
3135
3136static int dce_v6_0_set_powergating_state(void *handle,
3137 enum amd_powergating_state state)
3138{
3139 return 0;
3140}
3141
3142static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3143 .name = "dce_v6_0",
3144 .early_init = dce_v6_0_early_init,
3145 .late_init = NULL,
3146 .sw_init = dce_v6_0_sw_init,
3147 .sw_fini = dce_v6_0_sw_fini,
3148 .hw_init = dce_v6_0_hw_init,
3149 .hw_fini = dce_v6_0_hw_fini,
3150 .suspend = dce_v6_0_suspend,
3151 .resume = dce_v6_0_resume,
3152 .is_idle = dce_v6_0_is_idle,
3153 .wait_for_idle = dce_v6_0_wait_for_idle,
3154 .soft_reset = dce_v6_0_soft_reset,
3155 .set_clockgating_state = dce_v6_0_set_clockgating_state,
3156 .set_powergating_state = dce_v6_0_set_powergating_state,
3157};
3158
3159static void
3160dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3161 struct drm_display_mode *mode,
3162 struct drm_display_mode *adjusted_mode)
3163{
3164
3165 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3166 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3167
3168 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3169
3170 /* need to call this here rather than in prepare() since we need some crtc info */
3171 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3172
3173 /* set scaler clears this on some chips */
3174 dce_v6_0_set_interleave(encoder->crtc, mode);
3175
3176 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3177 dce_v6_0_afmt_enable(encoder, true);
3178 dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3179 }
3180}
3181
3182static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3183{
3184
3185 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3186 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3187 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3188
3189 if ((amdgpu_encoder->active_device &
3190 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3191 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3192 ENCODER_OBJECT_ID_NONE)) {
3193 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3194 if (dig) {
3195 dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3196 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3197 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3198 }
3199 }
3200
3201 amdgpu_atombios_scratch_regs_lock(adev, true);
3202
3203 if (connector) {
3204 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3205
3206 /* select the clock/data port if it uses a router */
3207 if (amdgpu_connector->router.cd_valid)
3208 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3209
3210 /* turn eDP panel on for mode set */
3211 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3212 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3213 ATOM_TRANSMITTER_ACTION_POWER_ON);
3214 }
3215
3216 /* this is needed for the pll/ss setup to work correctly in some cases */
3217 amdgpu_atombios_encoder_set_crtc_source(encoder);
3218 /* set up the FMT blocks */
3219 dce_v6_0_program_fmt(encoder);
3220}
3221
3222static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3223{
3224
3225 struct drm_device *dev = encoder->dev;
3226 struct amdgpu_device *adev = drm_to_adev(dev);
3227
3228 /* need to call this here as we need the crtc set up */
3229 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3230 amdgpu_atombios_scratch_regs_lock(adev, false);
3231}
3232
3233static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3234{
3235
3236 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3237 struct amdgpu_encoder_atom_dig *dig;
3238 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3239
3240 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3241
3242 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3243 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3244 dce_v6_0_afmt_enable(encoder, false);
3245 dig = amdgpu_encoder->enc_priv;
3246 dig->dig_encoder = -1;
3247 }
3248 amdgpu_encoder->active_device = 0;
3249}
3250
3251/* these are handled by the primary encoders */
3252static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3253{
3254
3255}
3256
3257static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3258{
3259
3260}
3261
3262static void
3263dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3264 struct drm_display_mode *mode,
3265 struct drm_display_mode *adjusted_mode)
3266{
3267
3268}
3269
3270static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3271{
3272
3273}
3274
3275static void
3276dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3277{
3278
3279}
3280
3281static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3282 const struct drm_display_mode *mode,
3283 struct drm_display_mode *adjusted_mode)
3284{
3285 return true;
3286}
3287
3288static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3289 .dpms = dce_v6_0_ext_dpms,
3290 .mode_fixup = dce_v6_0_ext_mode_fixup,
3291 .prepare = dce_v6_0_ext_prepare,
3292 .mode_set = dce_v6_0_ext_mode_set,
3293 .commit = dce_v6_0_ext_commit,
3294 .disable = dce_v6_0_ext_disable,
3295 /* no detect for TMDS/LVDS yet */
3296};
3297
3298static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3299 .dpms = amdgpu_atombios_encoder_dpms,
3300 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3301 .prepare = dce_v6_0_encoder_prepare,
3302 .mode_set = dce_v6_0_encoder_mode_set,
3303 .commit = dce_v6_0_encoder_commit,
3304 .disable = dce_v6_0_encoder_disable,
3305 .detect = amdgpu_atombios_encoder_dig_detect,
3306};
3307
3308static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3309 .dpms = amdgpu_atombios_encoder_dpms,
3310 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3311 .prepare = dce_v6_0_encoder_prepare,
3312 .mode_set = dce_v6_0_encoder_mode_set,
3313 .commit = dce_v6_0_encoder_commit,
3314 .detect = amdgpu_atombios_encoder_dac_detect,
3315};
3316
3317static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3318{
3319 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3320 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3321 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3322 kfree(amdgpu_encoder->enc_priv);
3323 drm_encoder_cleanup(encoder);
3324 kfree(amdgpu_encoder);
3325}
3326
3327static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3328 .destroy = dce_v6_0_encoder_destroy,
3329};
3330
3331static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3332 uint32_t encoder_enum,
3333 uint32_t supported_device,
3334 u16 caps)
3335{
3336 struct drm_device *dev = adev_to_drm(adev);
3337 struct drm_encoder *encoder;
3338 struct amdgpu_encoder *amdgpu_encoder;
3339
3340 /* see if we already added it */
3341 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3342 amdgpu_encoder = to_amdgpu_encoder(encoder);
3343 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3344 amdgpu_encoder->devices |= supported_device;
3345 return;
3346 }
3347
3348 }
3349
3350 /* add a new one */
3351 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3352 if (!amdgpu_encoder)
3353 return;
3354
3355 encoder = &amdgpu_encoder->base;
3356 switch (adev->mode_info.num_crtc) {
3357 case 1:
3358 encoder->possible_crtcs = 0x1;
3359 break;
3360 case 2:
3361 default:
3362 encoder->possible_crtcs = 0x3;
3363 break;
3364 case 4:
3365 encoder->possible_crtcs = 0xf;
3366 break;
3367 case 6:
3368 encoder->possible_crtcs = 0x3f;
3369 break;
3370 }
3371
3372 amdgpu_encoder->enc_priv = NULL;
3373 amdgpu_encoder->encoder_enum = encoder_enum;
3374 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3375 amdgpu_encoder->devices = supported_device;
3376 amdgpu_encoder->rmx_type = RMX_OFF;
3377 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3378 amdgpu_encoder->is_ext_encoder = false;
3379 amdgpu_encoder->caps = caps;
3380
3381 switch (amdgpu_encoder->encoder_id) {
3382 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3383 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3384 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3385 DRM_MODE_ENCODER_DAC, NULL);
3386 drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3387 break;
3388 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3389 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3390 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3391 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3392 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3393 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3394 amdgpu_encoder->rmx_type = RMX_FULL;
3395 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3396 DRM_MODE_ENCODER_LVDS, NULL);
3397 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3398 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3399 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3400 DRM_MODE_ENCODER_DAC, NULL);
3401 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3402 } else {
3403 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3404 DRM_MODE_ENCODER_TMDS, NULL);
3405 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3406 }
3407 drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3408 break;
3409 case ENCODER_OBJECT_ID_SI170B:
3410 case ENCODER_OBJECT_ID_CH7303:
3411 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3412 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3413 case ENCODER_OBJECT_ID_TITFP513:
3414 case ENCODER_OBJECT_ID_VT1623:
3415 case ENCODER_OBJECT_ID_HDMI_SI1930:
3416 case ENCODER_OBJECT_ID_TRAVIS:
3417 case ENCODER_OBJECT_ID_NUTMEG:
3418 /* these are handled by the primary encoders */
3419 amdgpu_encoder->is_ext_encoder = true;
3420 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3421 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3422 DRM_MODE_ENCODER_LVDS, NULL);
3423 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3424 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3425 DRM_MODE_ENCODER_DAC, NULL);
3426 else
3427 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3428 DRM_MODE_ENCODER_TMDS, NULL);
3429 drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3430 break;
3431 }
3432}
3433
3434static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3435 .bandwidth_update = &dce_v6_0_bandwidth_update,
3436 .vblank_get_counter = &dce_v6_0_vblank_get_counter,
3437 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3438 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3439 .hpd_sense = &dce_v6_0_hpd_sense,
3440 .hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3441 .hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3442 .page_flip = &dce_v6_0_page_flip,
3443 .page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3444 .add_encoder = &dce_v6_0_encoder_add,
3445 .add_connector = &amdgpu_connector_add,
3446};
3447
3448static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3449{
3450 adev->mode_info.funcs = &dce_v6_0_display_funcs;
3451}
3452
3453static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3454 .set = dce_v6_0_set_crtc_interrupt_state,
3455 .process = dce_v6_0_crtc_irq,
3456};
3457
3458static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3459 .set = dce_v6_0_set_pageflip_interrupt_state,
3460 .process = dce_v6_0_pageflip_irq,
3461};
3462
3463static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3464 .set = dce_v6_0_set_hpd_interrupt_state,
3465 .process = dce_v6_0_hpd_irq,
3466};
3467
3468static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3469{
3470 if (adev->mode_info.num_crtc > 0)
3471 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3472 else
3473 adev->crtc_irq.num_types = 0;
3474 adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3475
3476 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3477 adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3478
3479 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3480 adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3481}
3482
3483const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3484{
3485 .type = AMD_IP_BLOCK_TYPE_DCE,
3486 .major = 6,
3487 .minor = 0,
3488 .rev = 0,
3489 .funcs = &dce_v6_0_ip_funcs,
3490};
3491
3492const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3493{
3494 .type = AMD_IP_BLOCK_TYPE_DCE,
3495 .major = 6,
3496 .minor = 4,
3497 .rev = 0,
3498 .funcs = &dce_v6_0_ip_funcs,
3499};
1/*
2 * Copyright 2015 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#include <linux/pci.h>
25
26#include <drm/drm_fb_helper.h>
27#include <drm/drm_fourcc.h>
28#include <drm/drm_vblank.h>
29
30#include "amdgpu.h"
31#include "amdgpu_pm.h"
32#include "amdgpu_i2c.h"
33#include "atom.h"
34#include "amdgpu_atombios.h"
35#include "atombios_crtc.h"
36#include "atombios_encoders.h"
37#include "amdgpu_pll.h"
38#include "amdgpu_connectors.h"
39#include "amdgpu_display.h"
40
41#include "bif/bif_3_0_d.h"
42#include "bif/bif_3_0_sh_mask.h"
43#include "oss/oss_1_0_d.h"
44#include "oss/oss_1_0_sh_mask.h"
45#include "gca/gfx_6_0_d.h"
46#include "gca/gfx_6_0_sh_mask.h"
47#include "gmc/gmc_6_0_d.h"
48#include "gmc/gmc_6_0_sh_mask.h"
49#include "dce/dce_6_0_d.h"
50#include "dce/dce_6_0_sh_mask.h"
51#include "gca/gfx_7_2_enum.h"
52#include "dce_v6_0.h"
53#include "si_enums.h"
54
55static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
56static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
57
58static const u32 crtc_offsets[6] =
59{
60 SI_CRTC0_REGISTER_OFFSET,
61 SI_CRTC1_REGISTER_OFFSET,
62 SI_CRTC2_REGISTER_OFFSET,
63 SI_CRTC3_REGISTER_OFFSET,
64 SI_CRTC4_REGISTER_OFFSET,
65 SI_CRTC5_REGISTER_OFFSET
66};
67
68static const u32 hpd_offsets[] =
69{
70 mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
71 mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
72 mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
73 mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
74 mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
75 mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
76};
77
78static const uint32_t dig_offsets[] = {
79 SI_CRTC0_REGISTER_OFFSET,
80 SI_CRTC1_REGISTER_OFFSET,
81 SI_CRTC2_REGISTER_OFFSET,
82 SI_CRTC3_REGISTER_OFFSET,
83 SI_CRTC4_REGISTER_OFFSET,
84 SI_CRTC5_REGISTER_OFFSET,
85 (0x13830 - 0x7030) >> 2,
86};
87
88static const struct {
89 uint32_t reg;
90 uint32_t vblank;
91 uint32_t vline;
92 uint32_t hpd;
93
94} interrupt_status_offsets[6] = { {
95 .reg = mmDISP_INTERRUPT_STATUS,
96 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
97 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
98 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
99}, {
100 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
101 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
102 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
103 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
104}, {
105 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
106 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
107 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
108 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
109}, {
110 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
111 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
112 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
113 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
114}, {
115 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
116 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
117 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
118 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
119}, {
120 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
121 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
122 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
123 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
124} };
125
126static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
127 u32 block_offset, u32 reg)
128{
129 unsigned long flags;
130 u32 r;
131
132 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
133 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
134 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
135 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
136
137 return r;
138}
139
140static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
141 u32 block_offset, u32 reg, u32 v)
142{
143 unsigned long flags;
144
145 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
146 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
147 reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
148 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
149 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
150}
151
152static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
153{
154 if (crtc >= adev->mode_info.num_crtc)
155 return 0;
156 else
157 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
158}
159
160static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
161{
162 unsigned i;
163
164 /* Enable pflip interrupts */
165 for (i = 0; i < adev->mode_info.num_crtc; i++)
166 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
167}
168
169static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
170{
171 unsigned i;
172
173 /* Disable pflip interrupts */
174 for (i = 0; i < adev->mode_info.num_crtc; i++)
175 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
176}
177
178/**
179 * dce_v6_0_page_flip - pageflip callback.
180 *
181 * @adev: amdgpu_device pointer
182 * @crtc_id: crtc to cleanup pageflip on
183 * @crtc_base: new address of the crtc (GPU MC address)
184 * @async: asynchronous flip
185 *
186 * Does the actual pageflip (evergreen+).
187 * During vblank we take the crtc lock and wait for the update_pending
188 * bit to go high, when it does, we release the lock, and allow the
189 * double buffered update to take place.
190 * Returns the current update pending status.
191 */
192static void dce_v6_0_page_flip(struct amdgpu_device *adev,
193 int crtc_id, u64 crtc_base, bool async)
194{
195 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
196 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
197
198 /* flip at hsync for async, default is vsync */
199 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
200 GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
201 /* update pitch */
202 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
203 fb->pitches[0] / fb->format->cpp[0]);
204 /* update the scanout addresses */
205 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
206 upper_32_bits(crtc_base));
207 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
208 (u32)crtc_base);
209
210 /* post the write */
211 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
212}
213
214static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
215 u32 *vbl, u32 *position)
216{
217 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
218 return -EINVAL;
219 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
220 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
221
222 return 0;
223
224}
225
226/**
227 * dce_v6_0_hpd_sense - hpd sense callback.
228 *
229 * @adev: amdgpu_device pointer
230 * @hpd: hpd (hotplug detect) pin
231 *
232 * Checks if a digital monitor is connected (evergreen+).
233 * Returns true if connected, false if not connected.
234 */
235static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
236 enum amdgpu_hpd_id hpd)
237{
238 bool connected = false;
239
240 if (hpd >= adev->mode_info.num_hpd)
241 return connected;
242
243 if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
244 connected = true;
245
246 return connected;
247}
248
249/**
250 * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
251 *
252 * @adev: amdgpu_device pointer
253 * @hpd: hpd (hotplug detect) pin
254 *
255 * Set the polarity of the hpd pin (evergreen+).
256 */
257static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
258 enum amdgpu_hpd_id hpd)
259{
260 u32 tmp;
261 bool connected = dce_v6_0_hpd_sense(adev, hpd);
262
263 if (hpd >= adev->mode_info.num_hpd)
264 return;
265
266 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
267 if (connected)
268 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
269 else
270 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
271 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
272}
273
274/**
275 * dce_v6_0_hpd_init - hpd setup callback.
276 *
277 * @adev: amdgpu_device pointer
278 *
279 * Setup the hpd pins used by the card (evergreen+).
280 * Enable the pin, set the polarity, and enable the hpd interrupts.
281 */
282static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
283{
284 struct drm_device *dev = adev_to_drm(adev);
285 struct drm_connector *connector;
286 struct drm_connector_list_iter iter;
287 u32 tmp;
288
289 drm_connector_list_iter_begin(dev, &iter);
290 drm_for_each_connector_iter(connector, &iter) {
291 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
292
293 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
294 continue;
295
296 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
297 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
298 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
299
300 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
301 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
302 /* don't try to enable hpd on eDP or LVDS avoid breaking the
303 * aux dp channel on imac and help (but not completely fix)
304 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
305 * also avoid interrupt storms during dpms.
306 */
307 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
308 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
309 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
310 continue;
311 }
312
313 dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
314 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
315 }
316 drm_connector_list_iter_end(&iter);
317}
318
319/**
320 * dce_v6_0_hpd_fini - hpd tear down callback.
321 *
322 * @adev: amdgpu_device pointer
323 *
324 * Tear down the hpd pins used by the card (evergreen+).
325 * Disable the hpd interrupts.
326 */
327static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
328{
329 struct drm_device *dev = adev_to_drm(adev);
330 struct drm_connector *connector;
331 struct drm_connector_list_iter iter;
332 u32 tmp;
333
334 drm_connector_list_iter_begin(dev, &iter);
335 drm_for_each_connector_iter(connector, &iter) {
336 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
337
338 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
339 continue;
340
341 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
342 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
343 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
344
345 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
346 }
347 drm_connector_list_iter_end(&iter);
348}
349
350static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
351{
352 return mmDC_GPIO_HPD_A;
353}
354
355static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
356 bool render)
357{
358 if (!render)
359 WREG32(mmVGA_RENDER_CONTROL,
360 RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
361
362}
363
364static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
365{
366 switch (adev->asic_type) {
367 case CHIP_TAHITI:
368 case CHIP_PITCAIRN:
369 case CHIP_VERDE:
370 return 6;
371 case CHIP_OLAND:
372 return 2;
373 default:
374 return 0;
375 }
376}
377
378void dce_v6_0_disable_dce(struct amdgpu_device *adev)
379{
380 /*Disable VGA render and enabled crtc, if has DCE engine*/
381 if (amdgpu_atombios_has_dce_engine_info(adev)) {
382 u32 tmp;
383 int crtc_enabled, i;
384
385 dce_v6_0_set_vga_render_state(adev, false);
386
387 /*Disable crtc*/
388 for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
389 crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
390 CRTC_CONTROL__CRTC_MASTER_EN_MASK;
391 if (crtc_enabled) {
392 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
393 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
394 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
395 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
396 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
397 }
398 }
399 }
400}
401
402static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
403{
404
405 struct drm_device *dev = encoder->dev;
406 struct amdgpu_device *adev = drm_to_adev(dev);
407 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
408 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
409 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
410 int bpc = 0;
411 u32 tmp = 0;
412 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
413
414 if (connector) {
415 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
416 bpc = amdgpu_connector_get_monitor_bpc(connector);
417 dither = amdgpu_connector->dither;
418 }
419
420 /* LVDS FMT is set up by atom */
421 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
422 return;
423
424 if (bpc == 0)
425 return;
426
427
428 switch (bpc) {
429 case 6:
430 if (dither == AMDGPU_FMT_DITHER_ENABLE)
431 /* XXX sort out optimal dither settings */
432 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
433 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
434 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
435 else
436 tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
437 break;
438 case 8:
439 if (dither == AMDGPU_FMT_DITHER_ENABLE)
440 /* XXX sort out optimal dither settings */
441 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
442 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
443 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
444 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
445 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
446 else
447 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
448 FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
449 break;
450 case 10:
451 default:
452 /* not needed */
453 break;
454 }
455
456 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
457}
458
459/**
460 * si_get_number_of_dram_channels - get the number of dram channels
461 *
462 * @adev: amdgpu_device pointer
463 *
464 * Look up the number of video ram channels (CIK).
465 * Used for display watermark bandwidth calculations
466 * Returns the number of dram channels
467 */
468static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
469{
470 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
471
472 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
473 case 0:
474 default:
475 return 1;
476 case 1:
477 return 2;
478 case 2:
479 return 4;
480 case 3:
481 return 8;
482 case 4:
483 return 3;
484 case 5:
485 return 6;
486 case 6:
487 return 10;
488 case 7:
489 return 12;
490 case 8:
491 return 16;
492 }
493}
494
495struct dce6_wm_params {
496 u32 dram_channels; /* number of dram channels */
497 u32 yclk; /* bandwidth per dram data pin in kHz */
498 u32 sclk; /* engine clock in kHz */
499 u32 disp_clk; /* display clock in kHz */
500 u32 src_width; /* viewport width */
501 u32 active_time; /* active display time in ns */
502 u32 blank_time; /* blank time in ns */
503 bool interlaced; /* mode is interlaced */
504 fixed20_12 vsc; /* vertical scale ratio */
505 u32 num_heads; /* number of active crtcs */
506 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
507 u32 lb_size; /* line buffer allocated to pipe */
508 u32 vtaps; /* vertical scaler taps */
509};
510
511/**
512 * dce_v6_0_dram_bandwidth - get the dram bandwidth
513 *
514 * @wm: watermark calculation data
515 *
516 * Calculate the raw dram bandwidth (CIK).
517 * Used for display watermark bandwidth calculations
518 * Returns the dram bandwidth in MBytes/s
519 */
520static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
521{
522 /* Calculate raw DRAM Bandwidth */
523 fixed20_12 dram_efficiency; /* 0.7 */
524 fixed20_12 yclk, dram_channels, bandwidth;
525 fixed20_12 a;
526
527 a.full = dfixed_const(1000);
528 yclk.full = dfixed_const(wm->yclk);
529 yclk.full = dfixed_div(yclk, a);
530 dram_channels.full = dfixed_const(wm->dram_channels * 4);
531 a.full = dfixed_const(10);
532 dram_efficiency.full = dfixed_const(7);
533 dram_efficiency.full = dfixed_div(dram_efficiency, a);
534 bandwidth.full = dfixed_mul(dram_channels, yclk);
535 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
536
537 return dfixed_trunc(bandwidth);
538}
539
540/**
541 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
542 *
543 * @wm: watermark calculation data
544 *
545 * Calculate the dram bandwidth used for display (CIK).
546 * Used for display watermark bandwidth calculations
547 * Returns the dram bandwidth for display in MBytes/s
548 */
549static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
550{
551 /* Calculate DRAM Bandwidth and the part allocated to display. */
552 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
553 fixed20_12 yclk, dram_channels, bandwidth;
554 fixed20_12 a;
555
556 a.full = dfixed_const(1000);
557 yclk.full = dfixed_const(wm->yclk);
558 yclk.full = dfixed_div(yclk, a);
559 dram_channels.full = dfixed_const(wm->dram_channels * 4);
560 a.full = dfixed_const(10);
561 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
562 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
563 bandwidth.full = dfixed_mul(dram_channels, yclk);
564 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
565
566 return dfixed_trunc(bandwidth);
567}
568
569/**
570 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
571 *
572 * @wm: watermark calculation data
573 *
574 * Calculate the data return bandwidth used for display (CIK).
575 * Used for display watermark bandwidth calculations
576 * Returns the data return bandwidth in MBytes/s
577 */
578static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
579{
580 /* Calculate the display Data return Bandwidth */
581 fixed20_12 return_efficiency; /* 0.8 */
582 fixed20_12 sclk, bandwidth;
583 fixed20_12 a;
584
585 a.full = dfixed_const(1000);
586 sclk.full = dfixed_const(wm->sclk);
587 sclk.full = dfixed_div(sclk, a);
588 a.full = dfixed_const(10);
589 return_efficiency.full = dfixed_const(8);
590 return_efficiency.full = dfixed_div(return_efficiency, a);
591 a.full = dfixed_const(32);
592 bandwidth.full = dfixed_mul(a, sclk);
593 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
594
595 return dfixed_trunc(bandwidth);
596}
597
598/**
599 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
600 *
601 * @wm: watermark calculation data
602 *
603 * Calculate the dmif bandwidth used for display (CIK).
604 * Used for display watermark bandwidth calculations
605 * Returns the dmif bandwidth in MBytes/s
606 */
607static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
608{
609 /* Calculate the DMIF Request Bandwidth */
610 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
611 fixed20_12 disp_clk, bandwidth;
612 fixed20_12 a, b;
613
614 a.full = dfixed_const(1000);
615 disp_clk.full = dfixed_const(wm->disp_clk);
616 disp_clk.full = dfixed_div(disp_clk, a);
617 a.full = dfixed_const(32);
618 b.full = dfixed_mul(a, disp_clk);
619
620 a.full = dfixed_const(10);
621 disp_clk_request_efficiency.full = dfixed_const(8);
622 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
623
624 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
625
626 return dfixed_trunc(bandwidth);
627}
628
629/**
630 * dce_v6_0_available_bandwidth - get the min available bandwidth
631 *
632 * @wm: watermark calculation data
633 *
634 * Calculate the min available bandwidth used for display (CIK).
635 * Used for display watermark bandwidth calculations
636 * Returns the min available bandwidth in MBytes/s
637 */
638static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
639{
640 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
641 u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
642 u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
643 u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
644
645 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
646}
647
648/**
649 * dce_v6_0_average_bandwidth - get the average available bandwidth
650 *
651 * @wm: watermark calculation data
652 *
653 * Calculate the average available bandwidth used for display (CIK).
654 * Used for display watermark bandwidth calculations
655 * Returns the average available bandwidth in MBytes/s
656 */
657static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
658{
659 /* Calculate the display mode Average Bandwidth
660 * DisplayMode should contain the source and destination dimensions,
661 * timing, etc.
662 */
663 fixed20_12 bpp;
664 fixed20_12 line_time;
665 fixed20_12 src_width;
666 fixed20_12 bandwidth;
667 fixed20_12 a;
668
669 a.full = dfixed_const(1000);
670 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
671 line_time.full = dfixed_div(line_time, a);
672 bpp.full = dfixed_const(wm->bytes_per_pixel);
673 src_width.full = dfixed_const(wm->src_width);
674 bandwidth.full = dfixed_mul(src_width, bpp);
675 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
676 bandwidth.full = dfixed_div(bandwidth, line_time);
677
678 return dfixed_trunc(bandwidth);
679}
680
681/**
682 * dce_v6_0_latency_watermark - get the latency watermark
683 *
684 * @wm: watermark calculation data
685 *
686 * Calculate the latency watermark (CIK).
687 * Used for display watermark bandwidth calculations
688 * Returns the latency watermark in ns
689 */
690static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
691{
692 /* First calculate the latency in ns */
693 u32 mc_latency = 2000; /* 2000 ns. */
694 u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
695 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
696 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
697 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
698 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
699 (wm->num_heads * cursor_line_pair_return_time);
700 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
701 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
702 u32 tmp, dmif_size = 12288;
703 fixed20_12 a, b, c;
704
705 if (wm->num_heads == 0)
706 return 0;
707
708 a.full = dfixed_const(2);
709 b.full = dfixed_const(1);
710 if ((wm->vsc.full > a.full) ||
711 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
712 (wm->vtaps >= 5) ||
713 ((wm->vsc.full >= a.full) && wm->interlaced))
714 max_src_lines_per_dst_line = 4;
715 else
716 max_src_lines_per_dst_line = 2;
717
718 a.full = dfixed_const(available_bandwidth);
719 b.full = dfixed_const(wm->num_heads);
720 a.full = dfixed_div(a, b);
721 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
722 tmp = min(dfixed_trunc(a), tmp);
723
724 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
725
726 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
727 b.full = dfixed_const(1000);
728 c.full = dfixed_const(lb_fill_bw);
729 b.full = dfixed_div(c, b);
730 a.full = dfixed_div(a, b);
731 line_fill_time = dfixed_trunc(a);
732
733 if (line_fill_time < wm->active_time)
734 return latency;
735 else
736 return latency + (line_fill_time - wm->active_time);
737
738}
739
740/**
741 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
742 * average and available dram bandwidth
743 *
744 * @wm: watermark calculation data
745 *
746 * Check if the display average bandwidth fits in the display
747 * dram bandwidth (CIK).
748 * Used for display watermark bandwidth calculations
749 * Returns true if the display fits, false if not.
750 */
751static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
752{
753 if (dce_v6_0_average_bandwidth(wm) <=
754 (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
755 return true;
756 else
757 return false;
758}
759
760/**
761 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
762 * average and available bandwidth
763 *
764 * @wm: watermark calculation data
765 *
766 * Check if the display average bandwidth fits in the display
767 * available bandwidth (CIK).
768 * Used for display watermark bandwidth calculations
769 * Returns true if the display fits, false if not.
770 */
771static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
772{
773 if (dce_v6_0_average_bandwidth(wm) <=
774 (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
775 return true;
776 else
777 return false;
778}
779
780/**
781 * dce_v6_0_check_latency_hiding - check latency hiding
782 *
783 * @wm: watermark calculation data
784 *
785 * Check latency hiding (CIK).
786 * Used for display watermark bandwidth calculations
787 * Returns true if the display fits, false if not.
788 */
789static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
790{
791 u32 lb_partitions = wm->lb_size / wm->src_width;
792 u32 line_time = wm->active_time + wm->blank_time;
793 u32 latency_tolerant_lines;
794 u32 latency_hiding;
795 fixed20_12 a;
796
797 a.full = dfixed_const(1);
798 if (wm->vsc.full > a.full)
799 latency_tolerant_lines = 1;
800 else {
801 if (lb_partitions <= (wm->vtaps + 1))
802 latency_tolerant_lines = 1;
803 else
804 latency_tolerant_lines = 2;
805 }
806
807 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
808
809 if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
810 return true;
811 else
812 return false;
813}
814
815/**
816 * dce_v6_0_program_watermarks - program display watermarks
817 *
818 * @adev: amdgpu_device pointer
819 * @amdgpu_crtc: the selected display controller
820 * @lb_size: line buffer size
821 * @num_heads: number of display controllers in use
822 *
823 * Calculate and program the display watermarks for the
824 * selected display controller (CIK).
825 */
826static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
827 struct amdgpu_crtc *amdgpu_crtc,
828 u32 lb_size, u32 num_heads)
829{
830 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
831 struct dce6_wm_params wm_low, wm_high;
832 u32 dram_channels;
833 u32 active_time;
834 u32 line_time = 0;
835 u32 latency_watermark_a = 0, latency_watermark_b = 0;
836 u32 priority_a_mark = 0, priority_b_mark = 0;
837 u32 priority_a_cnt = PRIORITY_OFF;
838 u32 priority_b_cnt = PRIORITY_OFF;
839 u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
840 fixed20_12 a, b, c;
841
842 if (amdgpu_crtc->base.enabled && num_heads && mode) {
843 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
844 (u32)mode->clock);
845 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
846 (u32)mode->clock);
847 line_time = min(line_time, (u32)65535);
848 priority_a_cnt = 0;
849 priority_b_cnt = 0;
850
851 dram_channels = si_get_number_of_dram_channels(adev);
852
853 /* watermark for high clocks */
854 if (adev->pm.dpm_enabled) {
855 wm_high.yclk =
856 amdgpu_dpm_get_mclk(adev, false) * 10;
857 wm_high.sclk =
858 amdgpu_dpm_get_sclk(adev, false) * 10;
859 } else {
860 wm_high.yclk = adev->pm.current_mclk * 10;
861 wm_high.sclk = adev->pm.current_sclk * 10;
862 }
863
864 wm_high.disp_clk = mode->clock;
865 wm_high.src_width = mode->crtc_hdisplay;
866 wm_high.active_time = active_time;
867 wm_high.blank_time = line_time - wm_high.active_time;
868 wm_high.interlaced = false;
869 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
870 wm_high.interlaced = true;
871 wm_high.vsc = amdgpu_crtc->vsc;
872 wm_high.vtaps = 1;
873 if (amdgpu_crtc->rmx_type != RMX_OFF)
874 wm_high.vtaps = 2;
875 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
876 wm_high.lb_size = lb_size;
877 wm_high.dram_channels = dram_channels;
878 wm_high.num_heads = num_heads;
879
880 if (adev->pm.dpm_enabled) {
881 /* watermark for low clocks */
882 wm_low.yclk =
883 amdgpu_dpm_get_mclk(adev, true) * 10;
884 wm_low.sclk =
885 amdgpu_dpm_get_sclk(adev, true) * 10;
886 } else {
887 wm_low.yclk = adev->pm.current_mclk * 10;
888 wm_low.sclk = adev->pm.current_sclk * 10;
889 }
890
891 wm_low.disp_clk = mode->clock;
892 wm_low.src_width = mode->crtc_hdisplay;
893 wm_low.active_time = active_time;
894 wm_low.blank_time = line_time - wm_low.active_time;
895 wm_low.interlaced = false;
896 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
897 wm_low.interlaced = true;
898 wm_low.vsc = amdgpu_crtc->vsc;
899 wm_low.vtaps = 1;
900 if (amdgpu_crtc->rmx_type != RMX_OFF)
901 wm_low.vtaps = 2;
902 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
903 wm_low.lb_size = lb_size;
904 wm_low.dram_channels = dram_channels;
905 wm_low.num_heads = num_heads;
906
907 /* set for high clocks */
908 latency_watermark_a = min(dce_v6_0_latency_watermark(&wm_high), (u32)65535);
909 /* set for low clocks */
910 latency_watermark_b = min(dce_v6_0_latency_watermark(&wm_low), (u32)65535);
911
912 /* possibly force display priority to high */
913 /* should really do this at mode validation time... */
914 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
915 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
916 !dce_v6_0_check_latency_hiding(&wm_high) ||
917 (adev->mode_info.disp_priority == 2)) {
918 DRM_DEBUG_KMS("force priority to high\n");
919 priority_a_cnt |= PRIORITY_ALWAYS_ON;
920 priority_b_cnt |= PRIORITY_ALWAYS_ON;
921 }
922 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
923 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
924 !dce_v6_0_check_latency_hiding(&wm_low) ||
925 (adev->mode_info.disp_priority == 2)) {
926 DRM_DEBUG_KMS("force priority to high\n");
927 priority_a_cnt |= PRIORITY_ALWAYS_ON;
928 priority_b_cnt |= PRIORITY_ALWAYS_ON;
929 }
930
931 a.full = dfixed_const(1000);
932 b.full = dfixed_const(mode->clock);
933 b.full = dfixed_div(b, a);
934 c.full = dfixed_const(latency_watermark_a);
935 c.full = dfixed_mul(c, b);
936 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
937 c.full = dfixed_div(c, a);
938 a.full = dfixed_const(16);
939 c.full = dfixed_div(c, a);
940 priority_a_mark = dfixed_trunc(c);
941 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
942
943 a.full = dfixed_const(1000);
944 b.full = dfixed_const(mode->clock);
945 b.full = dfixed_div(b, a);
946 c.full = dfixed_const(latency_watermark_b);
947 c.full = dfixed_mul(c, b);
948 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
949 c.full = dfixed_div(c, a);
950 a.full = dfixed_const(16);
951 c.full = dfixed_div(c, a);
952 priority_b_mark = dfixed_trunc(c);
953 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
954
955 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
956 }
957
958 /* select wm A */
959 arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
960 tmp = arb_control3;
961 tmp &= ~LATENCY_WATERMARK_MASK(3);
962 tmp |= LATENCY_WATERMARK_MASK(1);
963 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
964 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
965 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
966 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
967 /* select wm B */
968 tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
969 tmp &= ~LATENCY_WATERMARK_MASK(3);
970 tmp |= LATENCY_WATERMARK_MASK(2);
971 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
972 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
973 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
974 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
975 /* restore original selection */
976 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
977
978 /* write the priority marks */
979 WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
980 WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
981
982 /* save values for DPM */
983 amdgpu_crtc->line_time = line_time;
984 amdgpu_crtc->wm_high = latency_watermark_a;
985
986 /* Save number of lines the linebuffer leads before the scanout */
987 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
988}
989
990/* watermark setup */
991static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
992 struct amdgpu_crtc *amdgpu_crtc,
993 struct drm_display_mode *mode,
994 struct drm_display_mode *other_mode)
995{
996 u32 tmp, buffer_alloc, i;
997 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
998 /*
999 * Line Buffer Setup
1000 * There are 3 line buffers, each one shared by 2 display controllers.
1001 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1002 * the display controllers. The paritioning is done via one of four
1003 * preset allocations specified in bits 21:20:
1004 * 0 - half lb
1005 * 2 - whole lb, other crtc must be disabled
1006 */
1007 /* this can get tricky if we have two large displays on a paired group
1008 * of crtcs. Ideally for multiple large displays we'd assign them to
1009 * non-linked crtcs for maximum line buffer allocation.
1010 */
1011 if (amdgpu_crtc->base.enabled && mode) {
1012 if (other_mode) {
1013 tmp = 0; /* 1/2 */
1014 buffer_alloc = 1;
1015 } else {
1016 tmp = 2; /* whole */
1017 buffer_alloc = 2;
1018 }
1019 } else {
1020 tmp = 0;
1021 buffer_alloc = 0;
1022 }
1023
1024 WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1025 DC_LB_MEMORY_CONFIG(tmp));
1026
1027 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1028 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1029 for (i = 0; i < adev->usec_timeout; i++) {
1030 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1031 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1032 break;
1033 udelay(1);
1034 }
1035
1036 if (amdgpu_crtc->base.enabled && mode) {
1037 switch (tmp) {
1038 case 0:
1039 default:
1040 return 4096 * 2;
1041 case 2:
1042 return 8192 * 2;
1043 }
1044 }
1045
1046 /* controller not enabled, so no lb used */
1047 return 0;
1048}
1049
1050
1051/**
1052 * dce_v6_0_bandwidth_update - program display watermarks
1053 *
1054 * @adev: amdgpu_device pointer
1055 *
1056 * Calculate and program the display watermarks and line
1057 * buffer allocation (CIK).
1058 */
1059static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1060{
1061 struct drm_display_mode *mode0 = NULL;
1062 struct drm_display_mode *mode1 = NULL;
1063 u32 num_heads = 0, lb_size;
1064 int i;
1065
1066 if (!adev->mode_info.mode_config_initialized)
1067 return;
1068
1069 amdgpu_display_update_priority(adev);
1070
1071 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1072 if (adev->mode_info.crtcs[i]->base.enabled)
1073 num_heads++;
1074 }
1075 for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1076 mode0 = &adev->mode_info.crtcs[i]->base.mode;
1077 mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1078 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1079 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1080 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1081 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1082 }
1083}
1084
1085static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1086{
1087 int i;
1088 u32 tmp;
1089
1090 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1091 tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1092 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1093 if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1094 PORT_CONNECTIVITY))
1095 adev->mode_info.audio.pin[i].connected = false;
1096 else
1097 adev->mode_info.audio.pin[i].connected = true;
1098 }
1099
1100}
1101
1102static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1103{
1104 int i;
1105
1106 dce_v6_0_audio_get_connected_pins(adev);
1107
1108 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1109 if (adev->mode_info.audio.pin[i].connected)
1110 return &adev->mode_info.audio.pin[i];
1111 }
1112 DRM_ERROR("No connected audio pins found!\n");
1113 return NULL;
1114}
1115
1116static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1117{
1118 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1119 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1120 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1121
1122 if (!dig || !dig->afmt || !dig->afmt->pin)
1123 return;
1124
1125 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1126 REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1127 dig->afmt->pin->id));
1128}
1129
1130static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1131 struct drm_display_mode *mode)
1132{
1133 struct drm_device *dev = encoder->dev;
1134 struct amdgpu_device *adev = drm_to_adev(dev);
1135 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1136 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1137 struct drm_connector *connector;
1138 struct drm_connector_list_iter iter;
1139 struct amdgpu_connector *amdgpu_connector = NULL;
1140 int interlace = 0;
1141 u32 tmp;
1142
1143 drm_connector_list_iter_begin(dev, &iter);
1144 drm_for_each_connector_iter(connector, &iter) {
1145 if (connector->encoder == encoder) {
1146 amdgpu_connector = to_amdgpu_connector(connector);
1147 break;
1148 }
1149 }
1150 drm_connector_list_iter_end(&iter);
1151
1152 if (!amdgpu_connector) {
1153 DRM_ERROR("Couldn't find encoder's connector\n");
1154 return;
1155 }
1156
1157 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1158 interlace = 1;
1159
1160 if (connector->latency_present[interlace]) {
1161 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1162 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1163 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1164 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1165 } else {
1166 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1167 VIDEO_LIPSYNC, 0);
1168 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1169 AUDIO_LIPSYNC, 0);
1170 }
1171 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1172 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1173}
1174
1175static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1176{
1177 struct drm_device *dev = encoder->dev;
1178 struct amdgpu_device *adev = drm_to_adev(dev);
1179 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1180 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1181 struct drm_connector *connector;
1182 struct drm_connector_list_iter iter;
1183 struct amdgpu_connector *amdgpu_connector = NULL;
1184 u8 *sadb = NULL;
1185 int sad_count;
1186 u32 tmp;
1187
1188 drm_connector_list_iter_begin(dev, &iter);
1189 drm_for_each_connector_iter(connector, &iter) {
1190 if (connector->encoder == encoder) {
1191 amdgpu_connector = to_amdgpu_connector(connector);
1192 break;
1193 }
1194 }
1195 drm_connector_list_iter_end(&iter);
1196
1197 if (!amdgpu_connector) {
1198 DRM_ERROR("Couldn't find encoder's connector\n");
1199 return;
1200 }
1201
1202 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1203 if (sad_count < 0) {
1204 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1205 sad_count = 0;
1206 }
1207
1208 /* program the speaker allocation */
1209 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1210 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1211 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1212 HDMI_CONNECTION, 0);
1213 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1214 DP_CONNECTION, 0);
1215
1216 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1217 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1218 DP_CONNECTION, 1);
1219 else
1220 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1221 HDMI_CONNECTION, 1);
1222
1223 if (sad_count)
1224 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1225 SPEAKER_ALLOCATION, sadb[0]);
1226 else
1227 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1228 SPEAKER_ALLOCATION, 5); /* stereo */
1229
1230 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1231 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1232
1233 kfree(sadb);
1234}
1235
1236static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1237{
1238 struct drm_device *dev = encoder->dev;
1239 struct amdgpu_device *adev = drm_to_adev(dev);
1240 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1241 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1242 struct drm_connector *connector;
1243 struct drm_connector_list_iter iter;
1244 struct amdgpu_connector *amdgpu_connector = NULL;
1245 struct cea_sad *sads;
1246 int i, sad_count;
1247
1248 static const u16 eld_reg_to_type[][2] = {
1249 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1250 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1251 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1252 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1253 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1254 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1255 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1256 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1257 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1258 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1259 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1260 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1261 };
1262
1263 drm_connector_list_iter_begin(dev, &iter);
1264 drm_for_each_connector_iter(connector, &iter) {
1265 if (connector->encoder == encoder) {
1266 amdgpu_connector = to_amdgpu_connector(connector);
1267 break;
1268 }
1269 }
1270 drm_connector_list_iter_end(&iter);
1271
1272 if (!amdgpu_connector) {
1273 DRM_ERROR("Couldn't find encoder's connector\n");
1274 return;
1275 }
1276
1277 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1278 if (sad_count < 0)
1279 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1280 if (sad_count <= 0)
1281 return;
1282
1283 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1284 u32 tmp = 0;
1285 u8 stereo_freqs = 0;
1286 int max_channels = -1;
1287 int j;
1288
1289 for (j = 0; j < sad_count; j++) {
1290 struct cea_sad *sad = &sads[j];
1291
1292 if (sad->format == eld_reg_to_type[i][1]) {
1293 if (sad->channels > max_channels) {
1294 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1295 MAX_CHANNELS, sad->channels);
1296 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1297 DESCRIPTOR_BYTE_2, sad->byte2);
1298 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1299 SUPPORTED_FREQUENCIES, sad->freq);
1300 max_channels = sad->channels;
1301 }
1302
1303 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1304 stereo_freqs |= sad->freq;
1305 else
1306 break;
1307 }
1308 }
1309
1310 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1311 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1312 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1313 }
1314
1315 kfree(sads);
1316
1317}
1318
1319static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1320 struct amdgpu_audio_pin *pin,
1321 bool enable)
1322{
1323 if (!pin)
1324 return;
1325
1326 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1327 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1328}
1329
1330static const u32 pin_offsets[7] =
1331{
1332 (0x1780 - 0x1780),
1333 (0x1786 - 0x1780),
1334 (0x178c - 0x1780),
1335 (0x1792 - 0x1780),
1336 (0x1798 - 0x1780),
1337 (0x179d - 0x1780),
1338 (0x17a4 - 0x1780),
1339};
1340
1341static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1342{
1343 int i;
1344
1345 if (!amdgpu_audio)
1346 return 0;
1347
1348 adev->mode_info.audio.enabled = true;
1349
1350 switch (adev->asic_type) {
1351 case CHIP_TAHITI:
1352 case CHIP_PITCAIRN:
1353 case CHIP_VERDE:
1354 default:
1355 adev->mode_info.audio.num_pins = 6;
1356 break;
1357 case CHIP_OLAND:
1358 adev->mode_info.audio.num_pins = 2;
1359 break;
1360 }
1361
1362 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1363 adev->mode_info.audio.pin[i].channels = -1;
1364 adev->mode_info.audio.pin[i].rate = -1;
1365 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1366 adev->mode_info.audio.pin[i].status_bits = 0;
1367 adev->mode_info.audio.pin[i].category_code = 0;
1368 adev->mode_info.audio.pin[i].connected = false;
1369 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1370 adev->mode_info.audio.pin[i].id = i;
1371 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1372 }
1373
1374 return 0;
1375}
1376
1377static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1378{
1379 int i;
1380
1381 if (!amdgpu_audio)
1382 return;
1383
1384 if (!adev->mode_info.audio.enabled)
1385 return;
1386
1387 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1388 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1389
1390 adev->mode_info.audio.enabled = false;
1391}
1392
1393static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1394{
1395 struct drm_device *dev = encoder->dev;
1396 struct amdgpu_device *adev = drm_to_adev(dev);
1397 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1398 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1399 u32 tmp;
1400
1401 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1402 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1403 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1404 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1405 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1406}
1407
1408static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1409 uint32_t clock, int bpc)
1410{
1411 struct drm_device *dev = encoder->dev;
1412 struct amdgpu_device *adev = drm_to_adev(dev);
1413 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1414 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1415 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1416 u32 tmp;
1417
1418 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1419 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1420 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1421 bpc > 8 ? 0 : 1);
1422 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1423
1424 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1425 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1426 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1427 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1428 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1429 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1430
1431 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1432 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1433 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1434 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1435 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1436 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1437
1438 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1439 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1440 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1441 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1442 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1443 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1444}
1445
1446static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1447 struct drm_display_mode *mode)
1448{
1449 struct drm_device *dev = encoder->dev;
1450 struct amdgpu_device *adev = drm_to_adev(dev);
1451 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1452 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1453 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1454 struct hdmi_avi_infoframe frame;
1455 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1456 uint8_t *payload = buffer + 3;
1457 uint8_t *header = buffer;
1458 ssize_t err;
1459 u32 tmp;
1460
1461 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1462 if (err < 0) {
1463 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1464 return;
1465 }
1466
1467 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1468 if (err < 0) {
1469 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1470 return;
1471 }
1472
1473 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1474 payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1475 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1476 payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1477 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1478 payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1479 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1480 payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1481
1482 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1483 /* anything other than 0 */
1484 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1485 HDMI_AUDIO_INFO_LINE, 2);
1486 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1487}
1488
1489static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1490{
1491 struct drm_device *dev = encoder->dev;
1492 struct amdgpu_device *adev = drm_to_adev(dev);
1493 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1494 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1495 u32 tmp;
1496
1497 /*
1498 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1499 * Express [24MHz / target pixel clock] as an exact rational
1500 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1501 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1502 */
1503 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1504 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1505 DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1506 if (em == ATOM_ENCODER_MODE_HDMI) {
1507 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1508 DCCG_AUDIO_DTO_SEL, 0);
1509 } else if (ENCODER_MODE_IS_DP(em)) {
1510 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1511 DCCG_AUDIO_DTO_SEL, 1);
1512 }
1513 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1514 if (em == ATOM_ENCODER_MODE_HDMI) {
1515 WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1516 WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1517 } else if (ENCODER_MODE_IS_DP(em)) {
1518 WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1519 WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1520 }
1521}
1522
1523static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1524{
1525 struct drm_device *dev = encoder->dev;
1526 struct amdgpu_device *adev = drm_to_adev(dev);
1527 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1528 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1529 u32 tmp;
1530
1531 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1532 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1533 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1534
1535 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1536 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1537 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1538
1539 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1540 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1541 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1542
1543 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1544 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1545 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1546 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1547 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1548 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1549 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1550 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1551
1552 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1553 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1554 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1555
1556 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1557 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1558 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1559 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1560
1561 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1562 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1563 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1564 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1565}
1566
1567static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1568{
1569 struct drm_device *dev = encoder->dev;
1570 struct amdgpu_device *adev = drm_to_adev(dev);
1571 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1572 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1573 u32 tmp;
1574
1575 tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1576 tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1577 WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1578}
1579
1580static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1581{
1582 struct drm_device *dev = encoder->dev;
1583 struct amdgpu_device *adev = drm_to_adev(dev);
1584 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1585 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1586 u32 tmp;
1587
1588 if (enable) {
1589 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1590 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1591 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1592 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1593 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1594 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1595
1596 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1597 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1598 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1599
1600 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1601 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1602 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1603 } else {
1604 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1605 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1606 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1607 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1608 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1609 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1610
1611 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1612 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1613 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1614 }
1615}
1616
1617static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1618{
1619 struct drm_device *dev = encoder->dev;
1620 struct amdgpu_device *adev = drm_to_adev(dev);
1621 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1622 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1623 u32 tmp;
1624
1625 if (enable) {
1626 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1627 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1628 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1629
1630 tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1631 tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1632 WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1633
1634 tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1635 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1636 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1637 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1638 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1639 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1640 } else {
1641 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1642 }
1643}
1644
1645static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1646 struct drm_display_mode *mode)
1647{
1648 struct drm_device *dev = encoder->dev;
1649 struct amdgpu_device *adev = drm_to_adev(dev);
1650 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1651 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1652 struct drm_connector *connector;
1653 struct drm_connector_list_iter iter;
1654 struct amdgpu_connector *amdgpu_connector = NULL;
1655 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1656 int bpc = 8;
1657
1658 if (!dig || !dig->afmt)
1659 return;
1660
1661 drm_connector_list_iter_begin(dev, &iter);
1662 drm_for_each_connector_iter(connector, &iter) {
1663 if (connector->encoder == encoder) {
1664 amdgpu_connector = to_amdgpu_connector(connector);
1665 break;
1666 }
1667 }
1668 drm_connector_list_iter_end(&iter);
1669
1670 if (!amdgpu_connector) {
1671 DRM_ERROR("Couldn't find encoder's connector\n");
1672 return;
1673 }
1674
1675 if (!dig->afmt->enabled)
1676 return;
1677
1678 dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1679 if (!dig->afmt->pin)
1680 return;
1681
1682 if (encoder->crtc) {
1683 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1684 bpc = amdgpu_crtc->bpc;
1685 }
1686
1687 /* disable audio before setting up hw */
1688 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1689
1690 dce_v6_0_audio_set_mute(encoder, true);
1691 dce_v6_0_audio_write_speaker_allocation(encoder);
1692 dce_v6_0_audio_write_sad_regs(encoder);
1693 dce_v6_0_audio_write_latency_fields(encoder, mode);
1694 if (em == ATOM_ENCODER_MODE_HDMI) {
1695 dce_v6_0_audio_set_dto(encoder, mode->clock);
1696 dce_v6_0_audio_set_vbi_packet(encoder);
1697 dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1698 } else if (ENCODER_MODE_IS_DP(em)) {
1699 dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1700 }
1701 dce_v6_0_audio_set_packet(encoder);
1702 dce_v6_0_audio_select_pin(encoder);
1703 dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1704 dce_v6_0_audio_set_mute(encoder, false);
1705 if (em == ATOM_ENCODER_MODE_HDMI) {
1706 dce_v6_0_audio_hdmi_enable(encoder, 1);
1707 } else if (ENCODER_MODE_IS_DP(em)) {
1708 dce_v6_0_audio_dp_enable(encoder, 1);
1709 }
1710
1711 /* enable audio after setting up hw */
1712 dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1713}
1714
1715static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1716{
1717 struct drm_device *dev = encoder->dev;
1718 struct amdgpu_device *adev = drm_to_adev(dev);
1719 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1720 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1721
1722 if (!dig || !dig->afmt)
1723 return;
1724
1725 /* Silent, r600_hdmi_enable will raise WARN for us */
1726 if (enable && dig->afmt->enabled)
1727 return;
1728
1729 if (!enable && !dig->afmt->enabled)
1730 return;
1731
1732 if (!enable && dig->afmt->pin) {
1733 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1734 dig->afmt->pin = NULL;
1735 }
1736
1737 dig->afmt->enabled = enable;
1738
1739 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1740 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1741}
1742
1743static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1744{
1745 int i, j;
1746
1747 for (i = 0; i < adev->mode_info.num_dig; i++)
1748 adev->mode_info.afmt[i] = NULL;
1749
1750 /* DCE6 has audio blocks tied to DIG encoders */
1751 for (i = 0; i < adev->mode_info.num_dig; i++) {
1752 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1753 if (adev->mode_info.afmt[i]) {
1754 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1755 adev->mode_info.afmt[i]->id = i;
1756 } else {
1757 for (j = 0; j < i; j++) {
1758 kfree(adev->mode_info.afmt[j]);
1759 adev->mode_info.afmt[j] = NULL;
1760 }
1761 DRM_ERROR("Out of memory allocating afmt table\n");
1762 return -ENOMEM;
1763 }
1764 }
1765 return 0;
1766}
1767
1768static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1769{
1770 int i;
1771
1772 for (i = 0; i < adev->mode_info.num_dig; i++) {
1773 kfree(adev->mode_info.afmt[i]);
1774 adev->mode_info.afmt[i] = NULL;
1775 }
1776}
1777
1778static const u32 vga_control_regs[6] =
1779{
1780 mmD1VGA_CONTROL,
1781 mmD2VGA_CONTROL,
1782 mmD3VGA_CONTROL,
1783 mmD4VGA_CONTROL,
1784 mmD5VGA_CONTROL,
1785 mmD6VGA_CONTROL,
1786};
1787
1788static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1789{
1790 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1791 struct drm_device *dev = crtc->dev;
1792 struct amdgpu_device *adev = drm_to_adev(dev);
1793 u32 vga_control;
1794
1795 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1796 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1797}
1798
1799static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1800{
1801 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1802 struct drm_device *dev = crtc->dev;
1803 struct amdgpu_device *adev = drm_to_adev(dev);
1804
1805 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1806}
1807
1808static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1809 struct drm_framebuffer *fb,
1810 int x, int y, int atomic)
1811{
1812 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1813 struct drm_device *dev = crtc->dev;
1814 struct amdgpu_device *adev = drm_to_adev(dev);
1815 struct drm_framebuffer *target_fb;
1816 struct drm_gem_object *obj;
1817 struct amdgpu_bo *abo;
1818 uint64_t fb_location, tiling_flags;
1819 uint32_t fb_format, fb_pitch_pixels, pipe_config;
1820 u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1821 u32 viewport_w, viewport_h;
1822 int r;
1823 bool bypass_lut = false;
1824
1825 /* no fb bound */
1826 if (!atomic && !crtc->primary->fb) {
1827 DRM_DEBUG_KMS("No FB bound\n");
1828 return 0;
1829 }
1830
1831 if (atomic)
1832 target_fb = fb;
1833 else
1834 target_fb = crtc->primary->fb;
1835
1836 /* If atomic, assume fb object is pinned & idle & fenced and
1837 * just update base pointers
1838 */
1839 obj = target_fb->obj[0];
1840 abo = gem_to_amdgpu_bo(obj);
1841 r = amdgpu_bo_reserve(abo, false);
1842 if (unlikely(r != 0))
1843 return r;
1844
1845 if (!atomic) {
1846 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1847 if (unlikely(r != 0)) {
1848 amdgpu_bo_unreserve(abo);
1849 return -EINVAL;
1850 }
1851 }
1852 fb_location = amdgpu_bo_gpu_offset(abo);
1853
1854 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1855 amdgpu_bo_unreserve(abo);
1856
1857 switch (target_fb->format->format) {
1858 case DRM_FORMAT_C8:
1859 fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1860 GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1861 break;
1862 case DRM_FORMAT_XRGB4444:
1863 case DRM_FORMAT_ARGB4444:
1864 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1865 GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1866#ifdef __BIG_ENDIAN
1867 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1868#endif
1869 break;
1870 case DRM_FORMAT_XRGB1555:
1871 case DRM_FORMAT_ARGB1555:
1872 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1873 GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1874#ifdef __BIG_ENDIAN
1875 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1876#endif
1877 break;
1878 case DRM_FORMAT_BGRX5551:
1879 case DRM_FORMAT_BGRA5551:
1880 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1881 GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1882#ifdef __BIG_ENDIAN
1883 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1884#endif
1885 break;
1886 case DRM_FORMAT_RGB565:
1887 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1888 GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1889#ifdef __BIG_ENDIAN
1890 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1891#endif
1892 break;
1893 case DRM_FORMAT_XRGB8888:
1894 case DRM_FORMAT_ARGB8888:
1895 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1896 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1897#ifdef __BIG_ENDIAN
1898 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1899#endif
1900 break;
1901 case DRM_FORMAT_XRGB2101010:
1902 case DRM_FORMAT_ARGB2101010:
1903 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1904 GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1905#ifdef __BIG_ENDIAN
1906 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1907#endif
1908 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1909 bypass_lut = true;
1910 break;
1911 case DRM_FORMAT_BGRX1010102:
1912 case DRM_FORMAT_BGRA1010102:
1913 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1914 GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1915#ifdef __BIG_ENDIAN
1916 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1917#endif
1918 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1919 bypass_lut = true;
1920 break;
1921 case DRM_FORMAT_XBGR8888:
1922 case DRM_FORMAT_ABGR8888:
1923 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1924 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1925 fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1926 GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1927#ifdef __BIG_ENDIAN
1928 fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1929#endif
1930 break;
1931 default:
1932 DRM_ERROR("Unsupported screen format %p4cc\n",
1933 &target_fb->format->format);
1934 return -EINVAL;
1935 }
1936
1937 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1938 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1939
1940 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1941 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1942 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1943 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1944 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1945
1946 fb_format |= GRPH_NUM_BANKS(num_banks);
1947 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1948 fb_format |= GRPH_TILE_SPLIT(tile_split);
1949 fb_format |= GRPH_BANK_WIDTH(bankw);
1950 fb_format |= GRPH_BANK_HEIGHT(bankh);
1951 fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1952 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1953 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1954 }
1955
1956 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1957 fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1958
1959 dce_v6_0_vga_enable(crtc, false);
1960
1961 /* Make sure surface address is updated at vertical blank rather than
1962 * horizontal blank
1963 */
1964 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1965
1966 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1967 upper_32_bits(fb_location));
1968 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1969 upper_32_bits(fb_location));
1970 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1971 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1972 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1973 (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1974 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1975 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1976
1977 /*
1978 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1979 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1980 * retain the full precision throughout the pipeline.
1981 */
1982 WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
1983 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
1984 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
1985
1986 if (bypass_lut)
1987 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1988
1989 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1990 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1991 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1992 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1993 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1994 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1995
1996 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1997 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
1998
1999 dce_v6_0_grph_enable(crtc, true);
2000
2001 WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2002 target_fb->height);
2003 x &= ~3;
2004 y &= ~1;
2005 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2006 (x << 16) | y);
2007 viewport_w = crtc->mode.hdisplay;
2008 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2009
2010 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2011 (viewport_w << 16) | viewport_h);
2012
2013 /* set pageflip to happen anywhere in vblank interval */
2014 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2015
2016 if (!atomic && fb && fb != crtc->primary->fb) {
2017 abo = gem_to_amdgpu_bo(fb->obj[0]);
2018 r = amdgpu_bo_reserve(abo, true);
2019 if (unlikely(r != 0))
2020 return r;
2021 amdgpu_bo_unpin(abo);
2022 amdgpu_bo_unreserve(abo);
2023 }
2024
2025 /* Bytes per pixel may have changed */
2026 dce_v6_0_bandwidth_update(adev);
2027
2028 return 0;
2029
2030}
2031
2032static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2033 struct drm_display_mode *mode)
2034{
2035 struct drm_device *dev = crtc->dev;
2036 struct amdgpu_device *adev = drm_to_adev(dev);
2037 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2038
2039 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2040 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2041 INTERLEAVE_EN);
2042 else
2043 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2044}
2045
2046static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2047{
2048
2049 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2050 struct drm_device *dev = crtc->dev;
2051 struct amdgpu_device *adev = drm_to_adev(dev);
2052 u16 *r, *g, *b;
2053 int i;
2054
2055 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2056
2057 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2058 ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2059 (0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2060 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2061 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2062 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2063 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2064 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2065 ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2066 (0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2067
2068 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2069
2070 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2071 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2072 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2073
2074 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2075 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2076 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2077
2078 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2079 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2080
2081 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2082 r = crtc->gamma_store;
2083 g = r + crtc->gamma_size;
2084 b = g + crtc->gamma_size;
2085 for (i = 0; i < 256; i++) {
2086 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2087 ((*r++ & 0xffc0) << 14) |
2088 ((*g++ & 0xffc0) << 4) |
2089 (*b++ >> 6));
2090 }
2091
2092 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2093 ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2094 (0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2095 ICON_DEGAMMA_MODE(0) |
2096 (0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2097 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2098 ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2099 (0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2100 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2101 ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2102 (0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2103 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2104 ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2105 (0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2106 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2107 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2108
2109
2110}
2111
2112static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2113{
2114 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2115 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2116
2117 switch (amdgpu_encoder->encoder_id) {
2118 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2119 return dig->linkb ? 1 : 0;
2120 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2121 return dig->linkb ? 3 : 2;
2122 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2123 return dig->linkb ? 5 : 4;
2124 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2125 return 6;
2126 default:
2127 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2128 return 0;
2129 }
2130}
2131
2132/**
2133 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2134 *
2135 * @crtc: drm crtc
2136 *
2137 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2138 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2139 * monitors a dedicated PPLL must be used. If a particular board has
2140 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2141 * as there is no need to program the PLL itself. If we are not able to
2142 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2143 * avoid messing up an existing monitor.
2144 *
2145 *
2146 */
2147static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2148{
2149 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2150 struct drm_device *dev = crtc->dev;
2151 struct amdgpu_device *adev = drm_to_adev(dev);
2152 u32 pll_in_use;
2153 int pll;
2154
2155 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2156 if (adev->clock.dp_extclk)
2157 /* skip PPLL programming if using ext clock */
2158 return ATOM_PPLL_INVALID;
2159 else
2160 return ATOM_PPLL0;
2161 } else {
2162 /* use the same PPLL for all monitors with the same clock */
2163 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2164 if (pll != ATOM_PPLL_INVALID)
2165 return pll;
2166 }
2167
2168 /* PPLL1, and PPLL2 */
2169 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2170 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2171 return ATOM_PPLL2;
2172 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2173 return ATOM_PPLL1;
2174 DRM_ERROR("unable to allocate a PPLL\n");
2175 return ATOM_PPLL_INVALID;
2176}
2177
2178static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2179{
2180 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2181 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2182 uint32_t cur_lock;
2183
2184 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2185 if (lock)
2186 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2187 else
2188 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2189 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2190}
2191
2192static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2193{
2194 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2195 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2196
2197 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2198 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2199 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2200
2201
2202}
2203
2204static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2205{
2206 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2207 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2208
2209 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2210 upper_32_bits(amdgpu_crtc->cursor_addr));
2211 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2212 lower_32_bits(amdgpu_crtc->cursor_addr));
2213
2214 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2215 CUR_CONTROL__CURSOR_EN_MASK |
2216 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2217 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2218
2219}
2220
2221static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2222 int x, int y)
2223{
2224 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2225 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2226 int xorigin = 0, yorigin = 0;
2227
2228 int w = amdgpu_crtc->cursor_width;
2229
2230 amdgpu_crtc->cursor_x = x;
2231 amdgpu_crtc->cursor_y = y;
2232
2233 /* avivo cursor are offset into the total surface */
2234 x += crtc->x;
2235 y += crtc->y;
2236 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2237
2238 if (x < 0) {
2239 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2240 x = 0;
2241 }
2242 if (y < 0) {
2243 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2244 y = 0;
2245 }
2246
2247 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2248 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2249 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2250 ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2251
2252 return 0;
2253}
2254
2255static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2256 int x, int y)
2257{
2258 int ret;
2259
2260 dce_v6_0_lock_cursor(crtc, true);
2261 ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2262 dce_v6_0_lock_cursor(crtc, false);
2263
2264 return ret;
2265}
2266
2267static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2268 struct drm_file *file_priv,
2269 uint32_t handle,
2270 uint32_t width,
2271 uint32_t height,
2272 int32_t hot_x,
2273 int32_t hot_y)
2274{
2275 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2276 struct drm_gem_object *obj;
2277 struct amdgpu_bo *aobj;
2278 int ret;
2279
2280 if (!handle) {
2281 /* turn off cursor */
2282 dce_v6_0_hide_cursor(crtc);
2283 obj = NULL;
2284 goto unpin;
2285 }
2286
2287 if ((width > amdgpu_crtc->max_cursor_width) ||
2288 (height > amdgpu_crtc->max_cursor_height)) {
2289 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2290 return -EINVAL;
2291 }
2292
2293 obj = drm_gem_object_lookup(file_priv, handle);
2294 if (!obj) {
2295 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2296 return -ENOENT;
2297 }
2298
2299 aobj = gem_to_amdgpu_bo(obj);
2300 ret = amdgpu_bo_reserve(aobj, false);
2301 if (ret != 0) {
2302 drm_gem_object_put(obj);
2303 return ret;
2304 }
2305
2306 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2307 amdgpu_bo_unreserve(aobj);
2308 if (ret) {
2309 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2310 drm_gem_object_put(obj);
2311 return ret;
2312 }
2313 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2314
2315 dce_v6_0_lock_cursor(crtc, true);
2316
2317 if (width != amdgpu_crtc->cursor_width ||
2318 height != amdgpu_crtc->cursor_height ||
2319 hot_x != amdgpu_crtc->cursor_hot_x ||
2320 hot_y != amdgpu_crtc->cursor_hot_y) {
2321 int x, y;
2322
2323 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2324 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2325
2326 dce_v6_0_cursor_move_locked(crtc, x, y);
2327
2328 amdgpu_crtc->cursor_width = width;
2329 amdgpu_crtc->cursor_height = height;
2330 amdgpu_crtc->cursor_hot_x = hot_x;
2331 amdgpu_crtc->cursor_hot_y = hot_y;
2332 }
2333
2334 dce_v6_0_show_cursor(crtc);
2335 dce_v6_0_lock_cursor(crtc, false);
2336
2337unpin:
2338 if (amdgpu_crtc->cursor_bo) {
2339 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2340 ret = amdgpu_bo_reserve(aobj, true);
2341 if (likely(ret == 0)) {
2342 amdgpu_bo_unpin(aobj);
2343 amdgpu_bo_unreserve(aobj);
2344 }
2345 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2346 }
2347
2348 amdgpu_crtc->cursor_bo = obj;
2349 return 0;
2350}
2351
2352static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2353{
2354 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2355
2356 if (amdgpu_crtc->cursor_bo) {
2357 dce_v6_0_lock_cursor(crtc, true);
2358
2359 dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2360 amdgpu_crtc->cursor_y);
2361
2362 dce_v6_0_show_cursor(crtc);
2363 dce_v6_0_lock_cursor(crtc, false);
2364 }
2365}
2366
2367static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2368 u16 *blue, uint32_t size,
2369 struct drm_modeset_acquire_ctx *ctx)
2370{
2371 dce_v6_0_crtc_load_lut(crtc);
2372
2373 return 0;
2374}
2375
2376static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2377{
2378 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2379
2380 drm_crtc_cleanup(crtc);
2381 kfree(amdgpu_crtc);
2382}
2383
2384static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2385 .cursor_set2 = dce_v6_0_crtc_cursor_set2,
2386 .cursor_move = dce_v6_0_crtc_cursor_move,
2387 .gamma_set = dce_v6_0_crtc_gamma_set,
2388 .set_config = amdgpu_display_crtc_set_config,
2389 .destroy = dce_v6_0_crtc_destroy,
2390 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2391 .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2392 .enable_vblank = amdgpu_enable_vblank_kms,
2393 .disable_vblank = amdgpu_disable_vblank_kms,
2394 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2395};
2396
2397static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2398{
2399 struct drm_device *dev = crtc->dev;
2400 struct amdgpu_device *adev = drm_to_adev(dev);
2401 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2402 unsigned type;
2403
2404 switch (mode) {
2405 case DRM_MODE_DPMS_ON:
2406 amdgpu_crtc->enabled = true;
2407 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2408 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2409 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2410 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2411 amdgpu_crtc->crtc_id);
2412 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2413 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2414 drm_crtc_vblank_on(crtc);
2415 dce_v6_0_crtc_load_lut(crtc);
2416 break;
2417 case DRM_MODE_DPMS_STANDBY:
2418 case DRM_MODE_DPMS_SUSPEND:
2419 case DRM_MODE_DPMS_OFF:
2420 drm_crtc_vblank_off(crtc);
2421 if (amdgpu_crtc->enabled)
2422 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2423 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2424 amdgpu_crtc->enabled = false;
2425 break;
2426 }
2427 /* adjust pm to dpms */
2428 amdgpu_dpm_compute_clocks(adev);
2429}
2430
2431static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2432{
2433 /* disable crtc pair power gating before programming */
2434 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2435 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2436 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2437}
2438
2439static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2440{
2441 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2442 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2443}
2444
2445static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2446{
2447
2448 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2449 struct drm_device *dev = crtc->dev;
2450 struct amdgpu_device *adev = drm_to_adev(dev);
2451 struct amdgpu_atom_ss ss;
2452 int i;
2453
2454 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2455 if (crtc->primary->fb) {
2456 int r;
2457 struct amdgpu_bo *abo;
2458
2459 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2460 r = amdgpu_bo_reserve(abo, true);
2461 if (unlikely(r))
2462 DRM_ERROR("failed to reserve abo before unpin\n");
2463 else {
2464 amdgpu_bo_unpin(abo);
2465 amdgpu_bo_unreserve(abo);
2466 }
2467 }
2468 /* disable the GRPH */
2469 dce_v6_0_grph_enable(crtc, false);
2470
2471 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2472
2473 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2474 if (adev->mode_info.crtcs[i] &&
2475 adev->mode_info.crtcs[i]->enabled &&
2476 i != amdgpu_crtc->crtc_id &&
2477 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2478 /* one other crtc is using this pll don't turn
2479 * off the pll
2480 */
2481 goto done;
2482 }
2483 }
2484
2485 switch (amdgpu_crtc->pll_id) {
2486 case ATOM_PPLL1:
2487 case ATOM_PPLL2:
2488 /* disable the ppll */
2489 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2490 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2491 break;
2492 default:
2493 break;
2494 }
2495done:
2496 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2497 amdgpu_crtc->adjusted_clock = 0;
2498 amdgpu_crtc->encoder = NULL;
2499 amdgpu_crtc->connector = NULL;
2500}
2501
2502static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2503 struct drm_display_mode *mode,
2504 struct drm_display_mode *adjusted_mode,
2505 int x, int y, struct drm_framebuffer *old_fb)
2506{
2507 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2508
2509 if (!amdgpu_crtc->adjusted_clock)
2510 return -EINVAL;
2511
2512 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2513 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2514 dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2515 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2516 amdgpu_atombios_crtc_scaler_setup(crtc);
2517 dce_v6_0_cursor_reset(crtc);
2518 /* update the hw version fpr dpm */
2519 amdgpu_crtc->hw_mode = *adjusted_mode;
2520
2521 return 0;
2522}
2523
2524static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2525 const struct drm_display_mode *mode,
2526 struct drm_display_mode *adjusted_mode)
2527{
2528
2529 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2530 struct drm_device *dev = crtc->dev;
2531 struct drm_encoder *encoder;
2532
2533 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2534 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2535 if (encoder->crtc == crtc) {
2536 amdgpu_crtc->encoder = encoder;
2537 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2538 break;
2539 }
2540 }
2541 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2542 amdgpu_crtc->encoder = NULL;
2543 amdgpu_crtc->connector = NULL;
2544 return false;
2545 }
2546 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2547 return false;
2548 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2549 return false;
2550 /* pick pll */
2551 amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2552 /* if we can't get a PPLL for a non-DP encoder, fail */
2553 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2554 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2555 return false;
2556
2557 return true;
2558}
2559
2560static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2561 struct drm_framebuffer *old_fb)
2562{
2563 return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2564}
2565
2566static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2567 struct drm_framebuffer *fb,
2568 int x, int y, enum mode_set_atomic state)
2569{
2570 return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2571}
2572
2573static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2574 .dpms = dce_v6_0_crtc_dpms,
2575 .mode_fixup = dce_v6_0_crtc_mode_fixup,
2576 .mode_set = dce_v6_0_crtc_mode_set,
2577 .mode_set_base = dce_v6_0_crtc_set_base,
2578 .mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2579 .prepare = dce_v6_0_crtc_prepare,
2580 .commit = dce_v6_0_crtc_commit,
2581 .disable = dce_v6_0_crtc_disable,
2582 .get_scanout_position = amdgpu_crtc_get_scanout_position,
2583};
2584
2585static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2586{
2587 struct amdgpu_crtc *amdgpu_crtc;
2588
2589 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2590 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2591 if (amdgpu_crtc == NULL)
2592 return -ENOMEM;
2593
2594 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2595
2596 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2597 amdgpu_crtc->crtc_id = index;
2598 adev->mode_info.crtcs[index] = amdgpu_crtc;
2599
2600 amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2601 amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2602 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2603 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2604
2605 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2606
2607 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2608 amdgpu_crtc->adjusted_clock = 0;
2609 amdgpu_crtc->encoder = NULL;
2610 amdgpu_crtc->connector = NULL;
2611 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2612
2613 return 0;
2614}
2615
2616static int dce_v6_0_early_init(void *handle)
2617{
2618 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2619
2620 adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2621 adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2622
2623 dce_v6_0_set_display_funcs(adev);
2624
2625 adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2626
2627 switch (adev->asic_type) {
2628 case CHIP_TAHITI:
2629 case CHIP_PITCAIRN:
2630 case CHIP_VERDE:
2631 adev->mode_info.num_hpd = 6;
2632 adev->mode_info.num_dig = 6;
2633 break;
2634 case CHIP_OLAND:
2635 adev->mode_info.num_hpd = 2;
2636 adev->mode_info.num_dig = 2;
2637 break;
2638 default:
2639 return -EINVAL;
2640 }
2641
2642 dce_v6_0_set_irq_funcs(adev);
2643
2644 return 0;
2645}
2646
2647static int dce_v6_0_sw_init(void *handle)
2648{
2649 int r, i;
2650 bool ret;
2651 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2652
2653 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2654 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2655 if (r)
2656 return r;
2657 }
2658
2659 for (i = 8; i < 20; i += 2) {
2660 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2661 if (r)
2662 return r;
2663 }
2664
2665 /* HPD hotplug */
2666 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2667 if (r)
2668 return r;
2669
2670 adev->mode_info.mode_config_initialized = true;
2671
2672 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2673 adev_to_drm(adev)->mode_config.async_page_flip = true;
2674 adev_to_drm(adev)->mode_config.max_width = 16384;
2675 adev_to_drm(adev)->mode_config.max_height = 16384;
2676 adev_to_drm(adev)->mode_config.preferred_depth = 24;
2677 adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2678 adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2679
2680 r = amdgpu_display_modeset_create_props(adev);
2681 if (r)
2682 return r;
2683
2684 adev_to_drm(adev)->mode_config.max_width = 16384;
2685 adev_to_drm(adev)->mode_config.max_height = 16384;
2686
2687 /* allocate crtcs */
2688 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2689 r = dce_v6_0_crtc_init(adev, i);
2690 if (r)
2691 return r;
2692 }
2693
2694 ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2695 if (ret)
2696 amdgpu_display_print_display_setup(adev_to_drm(adev));
2697 else
2698 return -EINVAL;
2699
2700 /* setup afmt */
2701 r = dce_v6_0_afmt_init(adev);
2702 if (r)
2703 return r;
2704
2705 r = dce_v6_0_audio_init(adev);
2706 if (r)
2707 return r;
2708
2709 /* Disable vblank IRQs aggressively for power-saving */
2710 /* XXX: can this be enabled for DC? */
2711 adev_to_drm(adev)->vblank_disable_immediate = true;
2712
2713 r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2714 if (r)
2715 return r;
2716
2717 /* Pre-DCE11 */
2718 INIT_WORK(&adev->hotplug_work,
2719 amdgpu_display_hotplug_work_func);
2720
2721 drm_kms_helper_poll_init(adev_to_drm(adev));
2722
2723 return r;
2724}
2725
2726static int dce_v6_0_sw_fini(void *handle)
2727{
2728 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2729
2730 kfree(adev->mode_info.bios_hardcoded_edid);
2731
2732 drm_kms_helper_poll_fini(adev_to_drm(adev));
2733
2734 dce_v6_0_audio_fini(adev);
2735 dce_v6_0_afmt_fini(adev);
2736
2737 drm_mode_config_cleanup(adev_to_drm(adev));
2738 adev->mode_info.mode_config_initialized = false;
2739
2740 return 0;
2741}
2742
2743static int dce_v6_0_hw_init(void *handle)
2744{
2745 int i;
2746 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2747
2748 /* disable vga render */
2749 dce_v6_0_set_vga_render_state(adev, false);
2750 /* init dig PHYs, disp eng pll */
2751 amdgpu_atombios_encoder_init_dig(adev);
2752 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2753
2754 /* initialize hpd */
2755 dce_v6_0_hpd_init(adev);
2756
2757 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2758 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2759 }
2760
2761 dce_v6_0_pageflip_interrupt_init(adev);
2762
2763 return 0;
2764}
2765
2766static int dce_v6_0_hw_fini(void *handle)
2767{
2768 int i;
2769 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2770
2771 dce_v6_0_hpd_fini(adev);
2772
2773 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2774 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2775 }
2776
2777 dce_v6_0_pageflip_interrupt_fini(adev);
2778
2779 flush_work(&adev->hotplug_work);
2780
2781 return 0;
2782}
2783
2784static int dce_v6_0_suspend(void *handle)
2785{
2786 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2787 int r;
2788
2789 r = amdgpu_display_suspend_helper(adev);
2790 if (r)
2791 return r;
2792 adev->mode_info.bl_level =
2793 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2794
2795 return dce_v6_0_hw_fini(handle);
2796}
2797
2798static int dce_v6_0_resume(void *handle)
2799{
2800 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2801 int ret;
2802
2803 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2804 adev->mode_info.bl_level);
2805
2806 ret = dce_v6_0_hw_init(handle);
2807
2808 /* turn on the BL */
2809 if (adev->mode_info.bl_encoder) {
2810 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2811 adev->mode_info.bl_encoder);
2812 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2813 bl_level);
2814 }
2815 if (ret)
2816 return ret;
2817
2818 return amdgpu_display_resume_helper(adev);
2819}
2820
2821static bool dce_v6_0_is_idle(void *handle)
2822{
2823 return true;
2824}
2825
2826static int dce_v6_0_wait_for_idle(void *handle)
2827{
2828 return 0;
2829}
2830
2831static int dce_v6_0_soft_reset(void *handle)
2832{
2833 DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2834 return 0;
2835}
2836
2837static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2838 int crtc,
2839 enum amdgpu_interrupt_state state)
2840{
2841 u32 reg_block, interrupt_mask;
2842
2843 if (crtc >= adev->mode_info.num_crtc) {
2844 DRM_DEBUG("invalid crtc %d\n", crtc);
2845 return;
2846 }
2847
2848 switch (crtc) {
2849 case 0:
2850 reg_block = SI_CRTC0_REGISTER_OFFSET;
2851 break;
2852 case 1:
2853 reg_block = SI_CRTC1_REGISTER_OFFSET;
2854 break;
2855 case 2:
2856 reg_block = SI_CRTC2_REGISTER_OFFSET;
2857 break;
2858 case 3:
2859 reg_block = SI_CRTC3_REGISTER_OFFSET;
2860 break;
2861 case 4:
2862 reg_block = SI_CRTC4_REGISTER_OFFSET;
2863 break;
2864 case 5:
2865 reg_block = SI_CRTC5_REGISTER_OFFSET;
2866 break;
2867 default:
2868 DRM_DEBUG("invalid crtc %d\n", crtc);
2869 return;
2870 }
2871
2872 switch (state) {
2873 case AMDGPU_IRQ_STATE_DISABLE:
2874 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2875 interrupt_mask &= ~VBLANK_INT_MASK;
2876 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2877 break;
2878 case AMDGPU_IRQ_STATE_ENABLE:
2879 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2880 interrupt_mask |= VBLANK_INT_MASK;
2881 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2882 break;
2883 default:
2884 break;
2885 }
2886}
2887
2888static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2889 int crtc,
2890 enum amdgpu_interrupt_state state)
2891{
2892
2893}
2894
2895static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2896 struct amdgpu_irq_src *src,
2897 unsigned type,
2898 enum amdgpu_interrupt_state state)
2899{
2900 u32 dc_hpd_int_cntl;
2901
2902 if (type >= adev->mode_info.num_hpd) {
2903 DRM_DEBUG("invalid hdp %d\n", type);
2904 return 0;
2905 }
2906
2907 switch (state) {
2908 case AMDGPU_IRQ_STATE_DISABLE:
2909 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2910 dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2911 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2912 break;
2913 case AMDGPU_IRQ_STATE_ENABLE:
2914 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2915 dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2916 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2917 break;
2918 default:
2919 break;
2920 }
2921
2922 return 0;
2923}
2924
2925static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2926 struct amdgpu_irq_src *src,
2927 unsigned type,
2928 enum amdgpu_interrupt_state state)
2929{
2930 switch (type) {
2931 case AMDGPU_CRTC_IRQ_VBLANK1:
2932 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2933 break;
2934 case AMDGPU_CRTC_IRQ_VBLANK2:
2935 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2936 break;
2937 case AMDGPU_CRTC_IRQ_VBLANK3:
2938 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2939 break;
2940 case AMDGPU_CRTC_IRQ_VBLANK4:
2941 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2942 break;
2943 case AMDGPU_CRTC_IRQ_VBLANK5:
2944 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2945 break;
2946 case AMDGPU_CRTC_IRQ_VBLANK6:
2947 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2948 break;
2949 case AMDGPU_CRTC_IRQ_VLINE1:
2950 dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2951 break;
2952 case AMDGPU_CRTC_IRQ_VLINE2:
2953 dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2954 break;
2955 case AMDGPU_CRTC_IRQ_VLINE3:
2956 dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2957 break;
2958 case AMDGPU_CRTC_IRQ_VLINE4:
2959 dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2960 break;
2961 case AMDGPU_CRTC_IRQ_VLINE5:
2962 dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2963 break;
2964 case AMDGPU_CRTC_IRQ_VLINE6:
2965 dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2966 break;
2967 default:
2968 break;
2969 }
2970 return 0;
2971}
2972
2973static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2974 struct amdgpu_irq_src *source,
2975 struct amdgpu_iv_entry *entry)
2976{
2977 unsigned crtc = entry->src_id - 1;
2978 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2979 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2980 crtc);
2981
2982 switch (entry->src_data[0]) {
2983 case 0: /* vblank */
2984 if (disp_int & interrupt_status_offsets[crtc].vblank)
2985 WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
2986 else
2987 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2988
2989 if (amdgpu_irq_enabled(adev, source, irq_type)) {
2990 drm_handle_vblank(adev_to_drm(adev), crtc);
2991 }
2992 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
2993 break;
2994 case 1: /* vline */
2995 if (disp_int & interrupt_status_offsets[crtc].vline)
2996 WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
2997 else
2998 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2999
3000 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3001 break;
3002 default:
3003 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3004 break;
3005 }
3006
3007 return 0;
3008}
3009
3010static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3011 struct amdgpu_irq_src *src,
3012 unsigned type,
3013 enum amdgpu_interrupt_state state)
3014{
3015 u32 reg;
3016
3017 if (type >= adev->mode_info.num_crtc) {
3018 DRM_ERROR("invalid pageflip crtc %d\n", type);
3019 return -EINVAL;
3020 }
3021
3022 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3023 if (state == AMDGPU_IRQ_STATE_DISABLE)
3024 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3025 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3026 else
3027 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3028 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3029
3030 return 0;
3031}
3032
3033static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
3034 struct amdgpu_irq_src *source,
3035 struct amdgpu_iv_entry *entry)
3036{
3037 unsigned long flags;
3038 unsigned crtc_id;
3039 struct amdgpu_crtc *amdgpu_crtc;
3040 struct amdgpu_flip_work *works;
3041
3042 crtc_id = (entry->src_id - 8) >> 1;
3043 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3044
3045 if (crtc_id >= adev->mode_info.num_crtc) {
3046 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3047 return -EINVAL;
3048 }
3049
3050 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3051 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3052 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3053 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3054
3055 /* IRQ could occur when in initial stage */
3056 if (amdgpu_crtc == NULL)
3057 return 0;
3058
3059 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3060 works = amdgpu_crtc->pflip_works;
3061 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3062 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3063 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3064 amdgpu_crtc->pflip_status,
3065 AMDGPU_FLIP_SUBMITTED);
3066 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3067 return 0;
3068 }
3069
3070 /* page flip completed. clean up */
3071 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3072 amdgpu_crtc->pflip_works = NULL;
3073
3074 /* wakeup usersapce */
3075 if (works->event)
3076 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3077
3078 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3079
3080 drm_crtc_vblank_put(&amdgpu_crtc->base);
3081 schedule_work(&works->unpin_work);
3082
3083 return 0;
3084}
3085
3086static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3087 struct amdgpu_irq_src *source,
3088 struct amdgpu_iv_entry *entry)
3089{
3090 uint32_t disp_int, mask, tmp;
3091 unsigned hpd;
3092
3093 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3094 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3095 return 0;
3096 }
3097
3098 hpd = entry->src_data[0];
3099 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3100 mask = interrupt_status_offsets[hpd].hpd;
3101
3102 if (disp_int & mask) {
3103 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
3104 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
3105 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
3106 schedule_work(&adev->hotplug_work);
3107 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3108 }
3109
3110 return 0;
3111
3112}
3113
3114static int dce_v6_0_set_clockgating_state(void *handle,
3115 enum amd_clockgating_state state)
3116{
3117 return 0;
3118}
3119
3120static int dce_v6_0_set_powergating_state(void *handle,
3121 enum amd_powergating_state state)
3122{
3123 return 0;
3124}
3125
3126static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3127 .name = "dce_v6_0",
3128 .early_init = dce_v6_0_early_init,
3129 .late_init = NULL,
3130 .sw_init = dce_v6_0_sw_init,
3131 .sw_fini = dce_v6_0_sw_fini,
3132 .hw_init = dce_v6_0_hw_init,
3133 .hw_fini = dce_v6_0_hw_fini,
3134 .suspend = dce_v6_0_suspend,
3135 .resume = dce_v6_0_resume,
3136 .is_idle = dce_v6_0_is_idle,
3137 .wait_for_idle = dce_v6_0_wait_for_idle,
3138 .soft_reset = dce_v6_0_soft_reset,
3139 .set_clockgating_state = dce_v6_0_set_clockgating_state,
3140 .set_powergating_state = dce_v6_0_set_powergating_state,
3141};
3142
3143static void
3144dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3145 struct drm_display_mode *mode,
3146 struct drm_display_mode *adjusted_mode)
3147{
3148
3149 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3150 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3151
3152 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3153
3154 /* need to call this here rather than in prepare() since we need some crtc info */
3155 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3156
3157 /* set scaler clears this on some chips */
3158 dce_v6_0_set_interleave(encoder->crtc, mode);
3159
3160 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3161 dce_v6_0_afmt_enable(encoder, true);
3162 dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3163 }
3164}
3165
3166static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3167{
3168
3169 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3170 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3171 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3172
3173 if ((amdgpu_encoder->active_device &
3174 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3175 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3176 ENCODER_OBJECT_ID_NONE)) {
3177 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3178 if (dig) {
3179 dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3180 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3181 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3182 }
3183 }
3184
3185 amdgpu_atombios_scratch_regs_lock(adev, true);
3186
3187 if (connector) {
3188 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3189
3190 /* select the clock/data port if it uses a router */
3191 if (amdgpu_connector->router.cd_valid)
3192 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3193
3194 /* turn eDP panel on for mode set */
3195 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3196 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3197 ATOM_TRANSMITTER_ACTION_POWER_ON);
3198 }
3199
3200 /* this is needed for the pll/ss setup to work correctly in some cases */
3201 amdgpu_atombios_encoder_set_crtc_source(encoder);
3202 /* set up the FMT blocks */
3203 dce_v6_0_program_fmt(encoder);
3204}
3205
3206static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3207{
3208
3209 struct drm_device *dev = encoder->dev;
3210 struct amdgpu_device *adev = drm_to_adev(dev);
3211
3212 /* need to call this here as we need the crtc set up */
3213 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3214 amdgpu_atombios_scratch_regs_lock(adev, false);
3215}
3216
3217static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3218{
3219
3220 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3221 struct amdgpu_encoder_atom_dig *dig;
3222 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3223
3224 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3225
3226 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3227 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3228 dce_v6_0_afmt_enable(encoder, false);
3229 dig = amdgpu_encoder->enc_priv;
3230 dig->dig_encoder = -1;
3231 }
3232 amdgpu_encoder->active_device = 0;
3233}
3234
3235/* these are handled by the primary encoders */
3236static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3237{
3238
3239}
3240
3241static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3242{
3243
3244}
3245
3246static void
3247dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3248 struct drm_display_mode *mode,
3249 struct drm_display_mode *adjusted_mode)
3250{
3251
3252}
3253
3254static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3255{
3256
3257}
3258
3259static void
3260dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3261{
3262
3263}
3264
3265static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3266 const struct drm_display_mode *mode,
3267 struct drm_display_mode *adjusted_mode)
3268{
3269 return true;
3270}
3271
3272static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3273 .dpms = dce_v6_0_ext_dpms,
3274 .mode_fixup = dce_v6_0_ext_mode_fixup,
3275 .prepare = dce_v6_0_ext_prepare,
3276 .mode_set = dce_v6_0_ext_mode_set,
3277 .commit = dce_v6_0_ext_commit,
3278 .disable = dce_v6_0_ext_disable,
3279 /* no detect for TMDS/LVDS yet */
3280};
3281
3282static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3283 .dpms = amdgpu_atombios_encoder_dpms,
3284 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3285 .prepare = dce_v6_0_encoder_prepare,
3286 .mode_set = dce_v6_0_encoder_mode_set,
3287 .commit = dce_v6_0_encoder_commit,
3288 .disable = dce_v6_0_encoder_disable,
3289 .detect = amdgpu_atombios_encoder_dig_detect,
3290};
3291
3292static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3293 .dpms = amdgpu_atombios_encoder_dpms,
3294 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3295 .prepare = dce_v6_0_encoder_prepare,
3296 .mode_set = dce_v6_0_encoder_mode_set,
3297 .commit = dce_v6_0_encoder_commit,
3298 .detect = amdgpu_atombios_encoder_dac_detect,
3299};
3300
3301static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3302{
3303 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3304 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3305 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3306 kfree(amdgpu_encoder->enc_priv);
3307 drm_encoder_cleanup(encoder);
3308 kfree(amdgpu_encoder);
3309}
3310
3311static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3312 .destroy = dce_v6_0_encoder_destroy,
3313};
3314
3315static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3316 uint32_t encoder_enum,
3317 uint32_t supported_device,
3318 u16 caps)
3319{
3320 struct drm_device *dev = adev_to_drm(adev);
3321 struct drm_encoder *encoder;
3322 struct amdgpu_encoder *amdgpu_encoder;
3323
3324 /* see if we already added it */
3325 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3326 amdgpu_encoder = to_amdgpu_encoder(encoder);
3327 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3328 amdgpu_encoder->devices |= supported_device;
3329 return;
3330 }
3331
3332 }
3333
3334 /* add a new one */
3335 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3336 if (!amdgpu_encoder)
3337 return;
3338
3339 encoder = &amdgpu_encoder->base;
3340 switch (adev->mode_info.num_crtc) {
3341 case 1:
3342 encoder->possible_crtcs = 0x1;
3343 break;
3344 case 2:
3345 default:
3346 encoder->possible_crtcs = 0x3;
3347 break;
3348 case 4:
3349 encoder->possible_crtcs = 0xf;
3350 break;
3351 case 6:
3352 encoder->possible_crtcs = 0x3f;
3353 break;
3354 }
3355
3356 amdgpu_encoder->enc_priv = NULL;
3357 amdgpu_encoder->encoder_enum = encoder_enum;
3358 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3359 amdgpu_encoder->devices = supported_device;
3360 amdgpu_encoder->rmx_type = RMX_OFF;
3361 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3362 amdgpu_encoder->is_ext_encoder = false;
3363 amdgpu_encoder->caps = caps;
3364
3365 switch (amdgpu_encoder->encoder_id) {
3366 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3367 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3368 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3369 DRM_MODE_ENCODER_DAC, NULL);
3370 drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3371 break;
3372 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3373 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3374 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3375 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3376 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3377 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3378 amdgpu_encoder->rmx_type = RMX_FULL;
3379 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3380 DRM_MODE_ENCODER_LVDS, NULL);
3381 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3382 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3383 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3384 DRM_MODE_ENCODER_DAC, NULL);
3385 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3386 } else {
3387 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3388 DRM_MODE_ENCODER_TMDS, NULL);
3389 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3390 }
3391 drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3392 break;
3393 case ENCODER_OBJECT_ID_SI170B:
3394 case ENCODER_OBJECT_ID_CH7303:
3395 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3396 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3397 case ENCODER_OBJECT_ID_TITFP513:
3398 case ENCODER_OBJECT_ID_VT1623:
3399 case ENCODER_OBJECT_ID_HDMI_SI1930:
3400 case ENCODER_OBJECT_ID_TRAVIS:
3401 case ENCODER_OBJECT_ID_NUTMEG:
3402 /* these are handled by the primary encoders */
3403 amdgpu_encoder->is_ext_encoder = true;
3404 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3405 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3406 DRM_MODE_ENCODER_LVDS, NULL);
3407 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3408 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3409 DRM_MODE_ENCODER_DAC, NULL);
3410 else
3411 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3412 DRM_MODE_ENCODER_TMDS, NULL);
3413 drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3414 break;
3415 }
3416}
3417
3418static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3419 .bandwidth_update = &dce_v6_0_bandwidth_update,
3420 .vblank_get_counter = &dce_v6_0_vblank_get_counter,
3421 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3422 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3423 .hpd_sense = &dce_v6_0_hpd_sense,
3424 .hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3425 .hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3426 .page_flip = &dce_v6_0_page_flip,
3427 .page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3428 .add_encoder = &dce_v6_0_encoder_add,
3429 .add_connector = &amdgpu_connector_add,
3430};
3431
3432static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3433{
3434 adev->mode_info.funcs = &dce_v6_0_display_funcs;
3435}
3436
3437static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3438 .set = dce_v6_0_set_crtc_interrupt_state,
3439 .process = dce_v6_0_crtc_irq,
3440};
3441
3442static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3443 .set = dce_v6_0_set_pageflip_interrupt_state,
3444 .process = dce_v6_0_pageflip_irq,
3445};
3446
3447static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3448 .set = dce_v6_0_set_hpd_interrupt_state,
3449 .process = dce_v6_0_hpd_irq,
3450};
3451
3452static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3453{
3454 if (adev->mode_info.num_crtc > 0)
3455 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3456 else
3457 adev->crtc_irq.num_types = 0;
3458 adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3459
3460 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3461 adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3462
3463 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3464 adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3465}
3466
3467const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3468{
3469 .type = AMD_IP_BLOCK_TYPE_DCE,
3470 .major = 6,
3471 .minor = 0,
3472 .rev = 0,
3473 .funcs = &dce_v6_0_ip_funcs,
3474};
3475
3476const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3477{
3478 .type = AMD_IP_BLOCK_TYPE_DCE,
3479 .major = 6,
3480 .minor = 4,
3481 .rev = 0,
3482 .funcs = &dce_v6_0_ip_funcs,
3483};