Merge tag 'devicetree-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / amdgpu / dce_v11_0.c
1 /*
2  * Copyright 2014 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23
24 #include <drm/drm_fourcc.h>
25 #include <drm/drm_vblank.h>
26
27 #include "amdgpu.h"
28 #include "amdgpu_pm.h"
29 #include "amdgpu_i2c.h"
30 #include "vid.h"
31 #include "atom.h"
32 #include "amdgpu_atombios.h"
33 #include "atombios_crtc.h"
34 #include "atombios_encoders.h"
35 #include "amdgpu_pll.h"
36 #include "amdgpu_connectors.h"
37 #include "amdgpu_display.h"
38 #include "dce_v11_0.h"
39
40 #include "dce/dce_11_0_d.h"
41 #include "dce/dce_11_0_sh_mask.h"
42 #include "dce/dce_11_0_enum.h"
43 #include "oss/oss_3_0_d.h"
44 #include "oss/oss_3_0_sh_mask.h"
45 #include "gmc/gmc_8_1_d.h"
46 #include "gmc/gmc_8_1_sh_mask.h"
47
48 #include "ivsrcid/ivsrcid_vislands30.h"
49
50 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
51 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
52
53 static const u32 crtc_offsets[] =
54 {
55         CRTC0_REGISTER_OFFSET,
56         CRTC1_REGISTER_OFFSET,
57         CRTC2_REGISTER_OFFSET,
58         CRTC3_REGISTER_OFFSET,
59         CRTC4_REGISTER_OFFSET,
60         CRTC5_REGISTER_OFFSET,
61         CRTC6_REGISTER_OFFSET
62 };
63
64 static const u32 hpd_offsets[] =
65 {
66         HPD0_REGISTER_OFFSET,
67         HPD1_REGISTER_OFFSET,
68         HPD2_REGISTER_OFFSET,
69         HPD3_REGISTER_OFFSET,
70         HPD4_REGISTER_OFFSET,
71         HPD5_REGISTER_OFFSET
72 };
73
74 static const uint32_t dig_offsets[] = {
75         DIG0_REGISTER_OFFSET,
76         DIG1_REGISTER_OFFSET,
77         DIG2_REGISTER_OFFSET,
78         DIG3_REGISTER_OFFSET,
79         DIG4_REGISTER_OFFSET,
80         DIG5_REGISTER_OFFSET,
81         DIG6_REGISTER_OFFSET,
82         DIG7_REGISTER_OFFSET,
83         DIG8_REGISTER_OFFSET
84 };
85
86 static const struct {
87         uint32_t        reg;
88         uint32_t        vblank;
89         uint32_t        vline;
90         uint32_t        hpd;
91
92 } interrupt_status_offsets[] = { {
93         .reg = mmDISP_INTERRUPT_STATUS,
94         .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
95         .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
96         .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
97 }, {
98         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
99         .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
100         .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
101         .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
102 }, {
103         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
104         .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
105         .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
106         .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
107 }, {
108         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
109         .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
110         .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
111         .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
112 }, {
113         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
114         .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
115         .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
116         .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
117 }, {
118         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
119         .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
120         .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
121         .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
122 } };
123
124 static const u32 cz_golden_settings_a11[] =
125 {
126         mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
127         mmFBC_MISC, 0x1f311fff, 0x14300000,
128 };
129
130 static const u32 cz_mgcg_cgcg_init[] =
131 {
132         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
133         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
134 };
135
136 static const u32 stoney_golden_settings_a11[] =
137 {
138         mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
139         mmFBC_MISC, 0x1f311fff, 0x14302000,
140 };
141
142 static const u32 polaris11_golden_settings_a11[] =
143 {
144         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
145         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
146         mmFBC_DEBUG1, 0xffffffff, 0x00000008,
147         mmFBC_MISC, 0x9f313fff, 0x14302008,
148         mmHDMI_CONTROL, 0x313f031f, 0x00000011,
149 };
150
151 static const u32 polaris10_golden_settings_a11[] =
152 {
153         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
154         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
155         mmFBC_MISC, 0x9f313fff, 0x14302008,
156         mmHDMI_CONTROL, 0x313f031f, 0x00000011,
157 };
158
159 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
160 {
161         switch (adev->asic_type) {
162         case CHIP_CARRIZO:
163                 amdgpu_device_program_register_sequence(adev,
164                                                         cz_mgcg_cgcg_init,
165                                                         ARRAY_SIZE(cz_mgcg_cgcg_init));
166                 amdgpu_device_program_register_sequence(adev,
167                                                         cz_golden_settings_a11,
168                                                         ARRAY_SIZE(cz_golden_settings_a11));
169                 break;
170         case CHIP_STONEY:
171                 amdgpu_device_program_register_sequence(adev,
172                                                         stoney_golden_settings_a11,
173                                                         ARRAY_SIZE(stoney_golden_settings_a11));
174                 break;
175         case CHIP_POLARIS11:
176         case CHIP_POLARIS12:
177                 amdgpu_device_program_register_sequence(adev,
178                                                         polaris11_golden_settings_a11,
179                                                         ARRAY_SIZE(polaris11_golden_settings_a11));
180                 break;
181         case CHIP_POLARIS10:
182         case CHIP_VEGAM:
183                 amdgpu_device_program_register_sequence(adev,
184                                                         polaris10_golden_settings_a11,
185                                                         ARRAY_SIZE(polaris10_golden_settings_a11));
186                 break;
187         default:
188                 break;
189         }
190 }
191
192 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
193                                      u32 block_offset, u32 reg)
194 {
195         unsigned long flags;
196         u32 r;
197
198         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
199         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
200         r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
201         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
202
203         return r;
204 }
205
206 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
207                                       u32 block_offset, u32 reg, u32 v)
208 {
209         unsigned long flags;
210
211         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
212         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
213         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
214         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
215 }
216
217 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
218 {
219         if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
220                 return 0;
221         else
222                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
223 }
224
225 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
226 {
227         unsigned i;
228
229         /* Enable pflip interrupts */
230         for (i = 0; i < adev->mode_info.num_crtc; i++)
231                 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
232 }
233
234 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
235 {
236         unsigned i;
237
238         /* Disable pflip interrupts */
239         for (i = 0; i < adev->mode_info.num_crtc; i++)
240                 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
241 }
242
243 /**
244  * dce_v11_0_page_flip - pageflip callback.
245  *
246  * @adev: amdgpu_device pointer
247  * @crtc_id: crtc to cleanup pageflip on
248  * @crtc_base: new address of the crtc (GPU MC address)
249  * @async: asynchronous flip
250  *
251  * Triggers the actual pageflip by updating the primary
252  * surface base address.
253  */
254 static void dce_v11_0_page_flip(struct amdgpu_device *adev,
255                                 int crtc_id, u64 crtc_base, bool async)
256 {
257         struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
258         struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
259         u32 tmp;
260
261         /* flip immediate for async, default is vsync */
262         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
263         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
264                             GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
265         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
266         /* update pitch */
267         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
268                fb->pitches[0] / fb->format->cpp[0]);
269         /* update the scanout addresses */
270         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
271                upper_32_bits(crtc_base));
272         /* writing to the low address triggers the update */
273         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
274                lower_32_bits(crtc_base));
275         /* post the write */
276         RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
277 }
278
279 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
280                                         u32 *vbl, u32 *position)
281 {
282         if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
283                 return -EINVAL;
284
285         *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
286         *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
287
288         return 0;
289 }
290
291 /**
292  * dce_v11_0_hpd_sense - hpd sense callback.
293  *
294  * @adev: amdgpu_device pointer
295  * @hpd: hpd (hotplug detect) pin
296  *
297  * Checks if a digital monitor is connected (evergreen+).
298  * Returns true if connected, false if not connected.
299  */
300 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
301                                enum amdgpu_hpd_id hpd)
302 {
303         bool connected = false;
304
305         if (hpd >= adev->mode_info.num_hpd)
306                 return connected;
307
308         if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
309             DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
310                 connected = true;
311
312         return connected;
313 }
314
315 /**
316  * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
317  *
318  * @adev: amdgpu_device pointer
319  * @hpd: hpd (hotplug detect) pin
320  *
321  * Set the polarity of the hpd pin (evergreen+).
322  */
323 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
324                                       enum amdgpu_hpd_id hpd)
325 {
326         u32 tmp;
327         bool connected = dce_v11_0_hpd_sense(adev, hpd);
328
329         if (hpd >= adev->mode_info.num_hpd)
330                 return;
331
332         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
333         if (connected)
334                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
335         else
336                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
337         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
338 }
339
340 /**
341  * dce_v11_0_hpd_init - hpd setup callback.
342  *
343  * @adev: amdgpu_device pointer
344  *
345  * Setup the hpd pins used by the card (evergreen+).
346  * Enable the pin, set the polarity, and enable the hpd interrupts.
347  */
348 static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
349 {
350         struct drm_device *dev = adev_to_drm(adev);
351         struct drm_connector *connector;
352         struct drm_connector_list_iter iter;
353         u32 tmp;
354
355         drm_connector_list_iter_begin(dev, &iter);
356         drm_for_each_connector_iter(connector, &iter) {
357                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
358
359                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
360                         continue;
361
362                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
363                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
364                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
365                          * aux dp channel on imac and help (but not completely fix)
366                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
367                          * also avoid interrupt storms during dpms.
368                          */
369                         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
370                         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
371                         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
372                         continue;
373                 }
374
375                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
376                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
377                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
378
379                 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
380                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
381                                     DC_HPD_CONNECT_INT_DELAY,
382                                     AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
383                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
384                                     DC_HPD_DISCONNECT_INT_DELAY,
385                                     AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
386                 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
387
388                 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
389                 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
390         }
391         drm_connector_list_iter_end(&iter);
392 }
393
394 /**
395  * dce_v11_0_hpd_fini - hpd tear down callback.
396  *
397  * @adev: amdgpu_device pointer
398  *
399  * Tear down the hpd pins used by the card (evergreen+).
400  * Disable the hpd interrupts.
401  */
402 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
403 {
404         struct drm_device *dev = adev_to_drm(adev);
405         struct drm_connector *connector;
406         struct drm_connector_list_iter iter;
407         u32 tmp;
408
409         drm_connector_list_iter_begin(dev, &iter);
410         drm_for_each_connector_iter(connector, &iter) {
411                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
412
413                 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
414                         continue;
415
416                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
417                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
418                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
419
420                 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
421         }
422         drm_connector_list_iter_end(&iter);
423 }
424
425 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
426 {
427         return mmDC_GPIO_HPD_A;
428 }
429
430 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
431 {
432         u32 crtc_hung = 0;
433         u32 crtc_status[6];
434         u32 i, j, tmp;
435
436         for (i = 0; i < adev->mode_info.num_crtc; i++) {
437                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
438                 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
439                         crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
440                         crtc_hung |= (1 << i);
441                 }
442         }
443
444         for (j = 0; j < 10; j++) {
445                 for (i = 0; i < adev->mode_info.num_crtc; i++) {
446                         if (crtc_hung & (1 << i)) {
447                                 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
448                                 if (tmp != crtc_status[i])
449                                         crtc_hung &= ~(1 << i);
450                         }
451                 }
452                 if (crtc_hung == 0)
453                         return false;
454                 udelay(100);
455         }
456
457         return true;
458 }
459
460 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
461                                            bool render)
462 {
463         u32 tmp;
464
465         /* Lockout access through VGA aperture*/
466         tmp = RREG32(mmVGA_HDP_CONTROL);
467         if (render)
468                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
469         else
470                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
471         WREG32(mmVGA_HDP_CONTROL, tmp);
472
473         /* disable VGA render */
474         tmp = RREG32(mmVGA_RENDER_CONTROL);
475         if (render)
476                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
477         else
478                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
479         WREG32(mmVGA_RENDER_CONTROL, tmp);
480 }
481
482 static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
483 {
484         int num_crtc = 0;
485
486         switch (adev->asic_type) {
487         case CHIP_CARRIZO:
488                 num_crtc = 3;
489                 break;
490         case CHIP_STONEY:
491                 num_crtc = 2;
492                 break;
493         case CHIP_POLARIS10:
494         case CHIP_VEGAM:
495                 num_crtc = 6;
496                 break;
497         case CHIP_POLARIS11:
498         case CHIP_POLARIS12:
499                 num_crtc = 5;
500                 break;
501         default:
502                 num_crtc = 0;
503         }
504         return num_crtc;
505 }
506
507 void dce_v11_0_disable_dce(struct amdgpu_device *adev)
508 {
509         /*Disable VGA render and enabled crtc, if has DCE engine*/
510         if (amdgpu_atombios_has_dce_engine_info(adev)) {
511                 u32 tmp;
512                 int crtc_enabled, i;
513
514                 dce_v11_0_set_vga_render_state(adev, false);
515
516                 /*Disable crtc*/
517                 for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
518                         crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
519                                                                          CRTC_CONTROL, CRTC_MASTER_EN);
520                         if (crtc_enabled) {
521                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
522                                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
523                                 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
524                                 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
525                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
526                         }
527                 }
528         }
529 }
530
531 static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
532 {
533         struct drm_device *dev = encoder->dev;
534         struct amdgpu_device *adev = drm_to_adev(dev);
535         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
536         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
537         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
538         int bpc = 0;
539         u32 tmp = 0;
540         enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
541
542         if (connector) {
543                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
544                 bpc = amdgpu_connector_get_monitor_bpc(connector);
545                 dither = amdgpu_connector->dither;
546         }
547
548         /* LVDS/eDP FMT is set up by atom */
549         if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
550                 return;
551
552         /* not needed for analog */
553         if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
554             (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
555                 return;
556
557         if (bpc == 0)
558                 return;
559
560         switch (bpc) {
561         case 6:
562                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
563                         /* XXX sort out optimal dither settings */
564                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
565                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
566                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
567                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
568                 } else {
569                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
570                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
571                 }
572                 break;
573         case 8:
574                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
575                         /* XXX sort out optimal dither settings */
576                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
577                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
578                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
579                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
580                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
581                 } else {
582                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
583                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
584                 }
585                 break;
586         case 10:
587                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
588                         /* XXX sort out optimal dither settings */
589                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
590                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
591                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
592                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
593                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
594                 } else {
595                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
596                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
597                 }
598                 break;
599         default:
600                 /* not needed */
601                 break;
602         }
603
604         WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
605 }
606
607
608 /* display watermark setup */
609 /**
610  * dce_v11_0_line_buffer_adjust - Set up the line buffer
611  *
612  * @adev: amdgpu_device pointer
613  * @amdgpu_crtc: the selected display controller
614  * @mode: the current display mode on the selected display
615  * controller
616  *
617  * Setup up the line buffer allocation for
618  * the selected display controller (CIK).
619  * Returns the line buffer size in pixels.
620  */
621 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
622                                        struct amdgpu_crtc *amdgpu_crtc,
623                                        struct drm_display_mode *mode)
624 {
625         u32 tmp, buffer_alloc, i, mem_cfg;
626         u32 pipe_offset = amdgpu_crtc->crtc_id;
627         /*
628          * Line Buffer Setup
629          * There are 6 line buffers, one for each display controllers.
630          * There are 3 partitions per LB. Select the number of partitions
631          * to enable based on the display width.  For display widths larger
632          * than 4096, you need use to use 2 display controllers and combine
633          * them using the stereo blender.
634          */
635         if (amdgpu_crtc->base.enabled && mode) {
636                 if (mode->crtc_hdisplay < 1920) {
637                         mem_cfg = 1;
638                         buffer_alloc = 2;
639                 } else if (mode->crtc_hdisplay < 2560) {
640                         mem_cfg = 2;
641                         buffer_alloc = 2;
642                 } else if (mode->crtc_hdisplay < 4096) {
643                         mem_cfg = 0;
644                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
645                 } else {
646                         DRM_DEBUG_KMS("Mode too big for LB!\n");
647                         mem_cfg = 0;
648                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
649                 }
650         } else {
651                 mem_cfg = 1;
652                 buffer_alloc = 0;
653         }
654
655         tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
656         tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
657         WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
658
659         tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
660         tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
661         WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
662
663         for (i = 0; i < adev->usec_timeout; i++) {
664                 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
665                 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
666                         break;
667                 udelay(1);
668         }
669
670         if (amdgpu_crtc->base.enabled && mode) {
671                 switch (mem_cfg) {
672                 case 0:
673                 default:
674                         return 4096 * 2;
675                 case 1:
676                         return 1920 * 2;
677                 case 2:
678                         return 2560 * 2;
679                 }
680         }
681
682         /* controller not enabled, so no lb used */
683         return 0;
684 }
685
686 /**
687  * cik_get_number_of_dram_channels - get the number of dram channels
688  *
689  * @adev: amdgpu_device pointer
690  *
691  * Look up the number of video ram channels (CIK).
692  * Used for display watermark bandwidth calculations
693  * Returns the number of dram channels
694  */
695 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
696 {
697         u32 tmp = RREG32(mmMC_SHARED_CHMAP);
698
699         switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
700         case 0:
701         default:
702                 return 1;
703         case 1:
704                 return 2;
705         case 2:
706                 return 4;
707         case 3:
708                 return 8;
709         case 4:
710                 return 3;
711         case 5:
712                 return 6;
713         case 6:
714                 return 10;
715         case 7:
716                 return 12;
717         case 8:
718                 return 16;
719         }
720 }
721
722 struct dce10_wm_params {
723         u32 dram_channels; /* number of dram channels */
724         u32 yclk;          /* bandwidth per dram data pin in kHz */
725         u32 sclk;          /* engine clock in kHz */
726         u32 disp_clk;      /* display clock in kHz */
727         u32 src_width;     /* viewport width */
728         u32 active_time;   /* active display time in ns */
729         u32 blank_time;    /* blank time in ns */
730         bool interlaced;    /* mode is interlaced */
731         fixed20_12 vsc;    /* vertical scale ratio */
732         u32 num_heads;     /* number of active crtcs */
733         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
734         u32 lb_size;       /* line buffer allocated to pipe */
735         u32 vtaps;         /* vertical scaler taps */
736 };
737
738 /**
739  * dce_v11_0_dram_bandwidth - get the dram bandwidth
740  *
741  * @wm: watermark calculation data
742  *
743  * Calculate the raw dram bandwidth (CIK).
744  * Used for display watermark bandwidth calculations
745  * Returns the dram bandwidth in MBytes/s
746  */
747 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
748 {
749         /* Calculate raw DRAM Bandwidth */
750         fixed20_12 dram_efficiency; /* 0.7 */
751         fixed20_12 yclk, dram_channels, bandwidth;
752         fixed20_12 a;
753
754         a.full = dfixed_const(1000);
755         yclk.full = dfixed_const(wm->yclk);
756         yclk.full = dfixed_div(yclk, a);
757         dram_channels.full = dfixed_const(wm->dram_channels * 4);
758         a.full = dfixed_const(10);
759         dram_efficiency.full = dfixed_const(7);
760         dram_efficiency.full = dfixed_div(dram_efficiency, a);
761         bandwidth.full = dfixed_mul(dram_channels, yclk);
762         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
763
764         return dfixed_trunc(bandwidth);
765 }
766
767 /**
768  * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
769  *
770  * @wm: watermark calculation data
771  *
772  * Calculate the dram bandwidth used for display (CIK).
773  * Used for display watermark bandwidth calculations
774  * Returns the dram bandwidth for display in MBytes/s
775  */
776 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
777 {
778         /* Calculate DRAM Bandwidth and the part allocated to display. */
779         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
780         fixed20_12 yclk, dram_channels, bandwidth;
781         fixed20_12 a;
782
783         a.full = dfixed_const(1000);
784         yclk.full = dfixed_const(wm->yclk);
785         yclk.full = dfixed_div(yclk, a);
786         dram_channels.full = dfixed_const(wm->dram_channels * 4);
787         a.full = dfixed_const(10);
788         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
789         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
790         bandwidth.full = dfixed_mul(dram_channels, yclk);
791         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
792
793         return dfixed_trunc(bandwidth);
794 }
795
796 /**
797  * dce_v11_0_data_return_bandwidth - get the data return bandwidth
798  *
799  * @wm: watermark calculation data
800  *
801  * Calculate the data return bandwidth used for display (CIK).
802  * Used for display watermark bandwidth calculations
803  * Returns the data return bandwidth in MBytes/s
804  */
805 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
806 {
807         /* Calculate the display Data return Bandwidth */
808         fixed20_12 return_efficiency; /* 0.8 */
809         fixed20_12 sclk, bandwidth;
810         fixed20_12 a;
811
812         a.full = dfixed_const(1000);
813         sclk.full = dfixed_const(wm->sclk);
814         sclk.full = dfixed_div(sclk, a);
815         a.full = dfixed_const(10);
816         return_efficiency.full = dfixed_const(8);
817         return_efficiency.full = dfixed_div(return_efficiency, a);
818         a.full = dfixed_const(32);
819         bandwidth.full = dfixed_mul(a, sclk);
820         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
821
822         return dfixed_trunc(bandwidth);
823 }
824
825 /**
826  * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
827  *
828  * @wm: watermark calculation data
829  *
830  * Calculate the dmif bandwidth used for display (CIK).
831  * Used for display watermark bandwidth calculations
832  * Returns the dmif bandwidth in MBytes/s
833  */
834 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
835 {
836         /* Calculate the DMIF Request Bandwidth */
837         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
838         fixed20_12 disp_clk, bandwidth;
839         fixed20_12 a, b;
840
841         a.full = dfixed_const(1000);
842         disp_clk.full = dfixed_const(wm->disp_clk);
843         disp_clk.full = dfixed_div(disp_clk, a);
844         a.full = dfixed_const(32);
845         b.full = dfixed_mul(a, disp_clk);
846
847         a.full = dfixed_const(10);
848         disp_clk_request_efficiency.full = dfixed_const(8);
849         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
850
851         bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
852
853         return dfixed_trunc(bandwidth);
854 }
855
856 /**
857  * dce_v11_0_available_bandwidth - get the min available bandwidth
858  *
859  * @wm: watermark calculation data
860  *
861  * Calculate the min available bandwidth used for display (CIK).
862  * Used for display watermark bandwidth calculations
863  * Returns the min available bandwidth in MBytes/s
864  */
865 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
866 {
867         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
868         u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
869         u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
870         u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
871
872         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
873 }
874
875 /**
876  * dce_v11_0_average_bandwidth - get the average available bandwidth
877  *
878  * @wm: watermark calculation data
879  *
880  * Calculate the average available bandwidth used for display (CIK).
881  * Used for display watermark bandwidth calculations
882  * Returns the average available bandwidth in MBytes/s
883  */
884 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
885 {
886         /* Calculate the display mode Average Bandwidth
887          * DisplayMode should contain the source and destination dimensions,
888          * timing, etc.
889          */
890         fixed20_12 bpp;
891         fixed20_12 line_time;
892         fixed20_12 src_width;
893         fixed20_12 bandwidth;
894         fixed20_12 a;
895
896         a.full = dfixed_const(1000);
897         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
898         line_time.full = dfixed_div(line_time, a);
899         bpp.full = dfixed_const(wm->bytes_per_pixel);
900         src_width.full = dfixed_const(wm->src_width);
901         bandwidth.full = dfixed_mul(src_width, bpp);
902         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
903         bandwidth.full = dfixed_div(bandwidth, line_time);
904
905         return dfixed_trunc(bandwidth);
906 }
907
908 /**
909  * dce_v11_0_latency_watermark - get the latency watermark
910  *
911  * @wm: watermark calculation data
912  *
913  * Calculate the latency watermark (CIK).
914  * Used for display watermark bandwidth calculations
915  * Returns the latency watermark in ns
916  */
917 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
918 {
919         /* First calculate the latency in ns */
920         u32 mc_latency = 2000; /* 2000 ns. */
921         u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
922         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
923         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
924         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
925         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
926                 (wm->num_heads * cursor_line_pair_return_time);
927         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
928         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
929         u32 tmp, dmif_size = 12288;
930         fixed20_12 a, b, c;
931
932         if (wm->num_heads == 0)
933                 return 0;
934
935         a.full = dfixed_const(2);
936         b.full = dfixed_const(1);
937         if ((wm->vsc.full > a.full) ||
938             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
939             (wm->vtaps >= 5) ||
940             ((wm->vsc.full >= a.full) && wm->interlaced))
941                 max_src_lines_per_dst_line = 4;
942         else
943                 max_src_lines_per_dst_line = 2;
944
945         a.full = dfixed_const(available_bandwidth);
946         b.full = dfixed_const(wm->num_heads);
947         a.full = dfixed_div(a, b);
948         tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
949         tmp = min(dfixed_trunc(a), tmp);
950
951         lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
952
953         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
954         b.full = dfixed_const(1000);
955         c.full = dfixed_const(lb_fill_bw);
956         b.full = dfixed_div(c, b);
957         a.full = dfixed_div(a, b);
958         line_fill_time = dfixed_trunc(a);
959
960         if (line_fill_time < wm->active_time)
961                 return latency;
962         else
963                 return latency + (line_fill_time - wm->active_time);
964
965 }
966
967 /**
968  * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
969  * average and available dram bandwidth
970  *
971  * @wm: watermark calculation data
972  *
973  * Check if the display average bandwidth fits in the display
974  * dram bandwidth (CIK).
975  * Used for display watermark bandwidth calculations
976  * Returns true if the display fits, false if not.
977  */
978 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
979 {
980         if (dce_v11_0_average_bandwidth(wm) <=
981             (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
982                 return true;
983         else
984                 return false;
985 }
986
987 /**
988  * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
989  * average and available bandwidth
990  *
991  * @wm: watermark calculation data
992  *
993  * Check if the display average bandwidth fits in the display
994  * available bandwidth (CIK).
995  * Used for display watermark bandwidth calculations
996  * Returns true if the display fits, false if not.
997  */
998 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
999 {
1000         if (dce_v11_0_average_bandwidth(wm) <=
1001             (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1002                 return true;
1003         else
1004                 return false;
1005 }
1006
1007 /**
1008  * dce_v11_0_check_latency_hiding - check latency hiding
1009  *
1010  * @wm: watermark calculation data
1011  *
1012  * Check latency hiding (CIK).
1013  * Used for display watermark bandwidth calculations
1014  * Returns true if the display fits, false if not.
1015  */
1016 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1017 {
1018         u32 lb_partitions = wm->lb_size / wm->src_width;
1019         u32 line_time = wm->active_time + wm->blank_time;
1020         u32 latency_tolerant_lines;
1021         u32 latency_hiding;
1022         fixed20_12 a;
1023
1024         a.full = dfixed_const(1);
1025         if (wm->vsc.full > a.full)
1026                 latency_tolerant_lines = 1;
1027         else {
1028                 if (lb_partitions <= (wm->vtaps + 1))
1029                         latency_tolerant_lines = 1;
1030                 else
1031                         latency_tolerant_lines = 2;
1032         }
1033
1034         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1035
1036         if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1037                 return true;
1038         else
1039                 return false;
1040 }
1041
1042 /**
1043  * dce_v11_0_program_watermarks - program display watermarks
1044  *
1045  * @adev: amdgpu_device pointer
1046  * @amdgpu_crtc: the selected display controller
1047  * @lb_size: line buffer size
1048  * @num_heads: number of display controllers in use
1049  *
1050  * Calculate and program the display watermarks for the
1051  * selected display controller (CIK).
1052  */
1053 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1054                                         struct amdgpu_crtc *amdgpu_crtc,
1055                                         u32 lb_size, u32 num_heads)
1056 {
1057         struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1058         struct dce10_wm_params wm_low, wm_high;
1059         u32 active_time;
1060         u32 line_time = 0;
1061         u32 latency_watermark_a = 0, latency_watermark_b = 0;
1062         u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1063
1064         if (amdgpu_crtc->base.enabled && num_heads && mode) {
1065                 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1066                                             (u32)mode->clock);
1067                 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1068                                           (u32)mode->clock);
1069                 line_time = min(line_time, (u32)65535);
1070
1071                 /* watermark for high clocks */
1072                 if (adev->pm.dpm_enabled) {
1073                         wm_high.yclk =
1074                                 amdgpu_dpm_get_mclk(adev, false) * 10;
1075                         wm_high.sclk =
1076                                 amdgpu_dpm_get_sclk(adev, false) * 10;
1077                 } else {
1078                         wm_high.yclk = adev->pm.current_mclk * 10;
1079                         wm_high.sclk = adev->pm.current_sclk * 10;
1080                 }
1081
1082                 wm_high.disp_clk = mode->clock;
1083                 wm_high.src_width = mode->crtc_hdisplay;
1084                 wm_high.active_time = active_time;
1085                 wm_high.blank_time = line_time - wm_high.active_time;
1086                 wm_high.interlaced = false;
1087                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1088                         wm_high.interlaced = true;
1089                 wm_high.vsc = amdgpu_crtc->vsc;
1090                 wm_high.vtaps = 1;
1091                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1092                         wm_high.vtaps = 2;
1093                 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1094                 wm_high.lb_size = lb_size;
1095                 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1096                 wm_high.num_heads = num_heads;
1097
1098                 /* set for high clocks */
1099                 latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1100
1101                 /* possibly force display priority to high */
1102                 /* should really do this at mode validation time... */
1103                 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1104                     !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1105                     !dce_v11_0_check_latency_hiding(&wm_high) ||
1106                     (adev->mode_info.disp_priority == 2)) {
1107                         DRM_DEBUG_KMS("force priority to high\n");
1108                 }
1109
1110                 /* watermark for low clocks */
1111                 if (adev->pm.dpm_enabled) {
1112                         wm_low.yclk =
1113                                 amdgpu_dpm_get_mclk(adev, true) * 10;
1114                         wm_low.sclk =
1115                                 amdgpu_dpm_get_sclk(adev, true) * 10;
1116                 } else {
1117                         wm_low.yclk = adev->pm.current_mclk * 10;
1118                         wm_low.sclk = adev->pm.current_sclk * 10;
1119                 }
1120
1121                 wm_low.disp_clk = mode->clock;
1122                 wm_low.src_width = mode->crtc_hdisplay;
1123                 wm_low.active_time = active_time;
1124                 wm_low.blank_time = line_time - wm_low.active_time;
1125                 wm_low.interlaced = false;
1126                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1127                         wm_low.interlaced = true;
1128                 wm_low.vsc = amdgpu_crtc->vsc;
1129                 wm_low.vtaps = 1;
1130                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1131                         wm_low.vtaps = 2;
1132                 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1133                 wm_low.lb_size = lb_size;
1134                 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1135                 wm_low.num_heads = num_heads;
1136
1137                 /* set for low clocks */
1138                 latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1139
1140                 /* possibly force display priority to high */
1141                 /* should really do this at mode validation time... */
1142                 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1143                     !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1144                     !dce_v11_0_check_latency_hiding(&wm_low) ||
1145                     (adev->mode_info.disp_priority == 2)) {
1146                         DRM_DEBUG_KMS("force priority to high\n");
1147                 }
1148                 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1149         }
1150
1151         /* select wm A */
1152         wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1153         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1154         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1155         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1156         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1157         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1158         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1159         /* select wm B */
1160         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1161         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1162         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1163         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1164         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1165         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1166         /* restore original selection */
1167         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1168
1169         /* save values for DPM */
1170         amdgpu_crtc->line_time = line_time;
1171         amdgpu_crtc->wm_high = latency_watermark_a;
1172         amdgpu_crtc->wm_low = latency_watermark_b;
1173         /* Save number of lines the linebuffer leads before the scanout */
1174         amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1175 }
1176
1177 /**
1178  * dce_v11_0_bandwidth_update - program display watermarks
1179  *
1180  * @adev: amdgpu_device pointer
1181  *
1182  * Calculate and program the display watermarks and line
1183  * buffer allocation (CIK).
1184  */
1185 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1186 {
1187         struct drm_display_mode *mode = NULL;
1188         u32 num_heads = 0, lb_size;
1189         int i;
1190
1191         amdgpu_display_update_priority(adev);
1192
1193         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1194                 if (adev->mode_info.crtcs[i]->base.enabled)
1195                         num_heads++;
1196         }
1197         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1198                 mode = &adev->mode_info.crtcs[i]->base.mode;
1199                 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1200                 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1201                                             lb_size, num_heads);
1202         }
1203 }
1204
1205 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1206 {
1207         int i;
1208         u32 offset, tmp;
1209
1210         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1211                 offset = adev->mode_info.audio.pin[i].offset;
1212                 tmp = RREG32_AUDIO_ENDPT(offset,
1213                                          ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1214                 if (((tmp &
1215                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1216                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1217                         adev->mode_info.audio.pin[i].connected = false;
1218                 else
1219                         adev->mode_info.audio.pin[i].connected = true;
1220         }
1221 }
1222
1223 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1224 {
1225         int i;
1226
1227         dce_v11_0_audio_get_connected_pins(adev);
1228
1229         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1230                 if (adev->mode_info.audio.pin[i].connected)
1231                         return &adev->mode_info.audio.pin[i];
1232         }
1233         DRM_ERROR("No connected audio pins found!\n");
1234         return NULL;
1235 }
1236
1237 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1238 {
1239         struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1240         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1241         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1242         u32 tmp;
1243
1244         if (!dig || !dig->afmt || !dig->afmt->pin)
1245                 return;
1246
1247         tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1248         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1249         WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1250 }
1251
1252 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1253                                                 struct drm_display_mode *mode)
1254 {
1255         struct drm_device *dev = encoder->dev;
1256         struct amdgpu_device *adev = drm_to_adev(dev);
1257         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1258         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1259         struct drm_connector *connector;
1260         struct drm_connector_list_iter iter;
1261         struct amdgpu_connector *amdgpu_connector = NULL;
1262         u32 tmp;
1263         int interlace = 0;
1264
1265         if (!dig || !dig->afmt || !dig->afmt->pin)
1266                 return;
1267
1268         drm_connector_list_iter_begin(dev, &iter);
1269         drm_for_each_connector_iter(connector, &iter) {
1270                 if (connector->encoder == encoder) {
1271                         amdgpu_connector = to_amdgpu_connector(connector);
1272                         break;
1273                 }
1274         }
1275         drm_connector_list_iter_end(&iter);
1276
1277         if (!amdgpu_connector) {
1278                 DRM_ERROR("Couldn't find encoder's connector\n");
1279                 return;
1280         }
1281
1282         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1283                 interlace = 1;
1284         if (connector->latency_present[interlace]) {
1285                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1286                                     VIDEO_LIPSYNC, connector->video_latency[interlace]);
1287                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1288                                     AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1289         } else {
1290                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1291                                     VIDEO_LIPSYNC, 0);
1292                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1293                                     AUDIO_LIPSYNC, 0);
1294         }
1295         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1296                            ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1297 }
1298
1299 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1300 {
1301         struct drm_device *dev = encoder->dev;
1302         struct amdgpu_device *adev = drm_to_adev(dev);
1303         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1304         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1305         struct drm_connector *connector;
1306         struct drm_connector_list_iter iter;
1307         struct amdgpu_connector *amdgpu_connector = NULL;
1308         u32 tmp;
1309         u8 *sadb = NULL;
1310         int sad_count;
1311
1312         if (!dig || !dig->afmt || !dig->afmt->pin)
1313                 return;
1314
1315         drm_connector_list_iter_begin(dev, &iter);
1316         drm_for_each_connector_iter(connector, &iter) {
1317                 if (connector->encoder == encoder) {
1318                         amdgpu_connector = to_amdgpu_connector(connector);
1319                         break;
1320                 }
1321         }
1322         drm_connector_list_iter_end(&iter);
1323
1324         if (!amdgpu_connector) {
1325                 DRM_ERROR("Couldn't find encoder's connector\n");
1326                 return;
1327         }
1328
1329         sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1330         if (sad_count < 0) {
1331                 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1332                 sad_count = 0;
1333         }
1334
1335         /* program the speaker allocation */
1336         tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1337                                  ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1338         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1339                             DP_CONNECTION, 0);
1340         /* set HDMI mode */
1341         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1342                             HDMI_CONNECTION, 1);
1343         if (sad_count)
1344                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1345                                     SPEAKER_ALLOCATION, sadb[0]);
1346         else
1347                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1348                                     SPEAKER_ALLOCATION, 5); /* stereo */
1349         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1350                            ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1351
1352         kfree(sadb);
1353 }
1354
1355 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1356 {
1357         struct drm_device *dev = encoder->dev;
1358         struct amdgpu_device *adev = drm_to_adev(dev);
1359         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1360         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1361         struct drm_connector *connector;
1362         struct drm_connector_list_iter iter;
1363         struct amdgpu_connector *amdgpu_connector = NULL;
1364         struct cea_sad *sads;
1365         int i, sad_count;
1366
1367         static const u16 eld_reg_to_type[][2] = {
1368                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1369                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1370                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1371                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1372                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1373                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1374                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1375                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1376                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1377                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1378                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1379                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1380         };
1381
1382         if (!dig || !dig->afmt || !dig->afmt->pin)
1383                 return;
1384
1385         drm_connector_list_iter_begin(dev, &iter);
1386         drm_for_each_connector_iter(connector, &iter) {
1387                 if (connector->encoder == encoder) {
1388                         amdgpu_connector = to_amdgpu_connector(connector);
1389                         break;
1390                 }
1391         }
1392         drm_connector_list_iter_end(&iter);
1393
1394         if (!amdgpu_connector) {
1395                 DRM_ERROR("Couldn't find encoder's connector\n");
1396                 return;
1397         }
1398
1399         sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1400         if (sad_count < 0)
1401                 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1402         if (sad_count <= 0)
1403                 return;
1404         BUG_ON(!sads);
1405
1406         for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1407                 u32 tmp = 0;
1408                 u8 stereo_freqs = 0;
1409                 int max_channels = -1;
1410                 int j;
1411
1412                 for (j = 0; j < sad_count; j++) {
1413                         struct cea_sad *sad = &sads[j];
1414
1415                         if (sad->format == eld_reg_to_type[i][1]) {
1416                                 if (sad->channels > max_channels) {
1417                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1418                                                             MAX_CHANNELS, sad->channels);
1419                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1420                                                             DESCRIPTOR_BYTE_2, sad->byte2);
1421                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1422                                                             SUPPORTED_FREQUENCIES, sad->freq);
1423                                         max_channels = sad->channels;
1424                                 }
1425
1426                                 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1427                                         stereo_freqs |= sad->freq;
1428                                 else
1429                                         break;
1430                         }
1431                 }
1432
1433                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1434                                     SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1435                 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1436         }
1437
1438         kfree(sads);
1439 }
1440
1441 static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1442                                   struct amdgpu_audio_pin *pin,
1443                                   bool enable)
1444 {
1445         if (!pin)
1446                 return;
1447
1448         WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1449                            enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1450 }
1451
1452 static const u32 pin_offsets[] =
1453 {
1454         AUD0_REGISTER_OFFSET,
1455         AUD1_REGISTER_OFFSET,
1456         AUD2_REGISTER_OFFSET,
1457         AUD3_REGISTER_OFFSET,
1458         AUD4_REGISTER_OFFSET,
1459         AUD5_REGISTER_OFFSET,
1460         AUD6_REGISTER_OFFSET,
1461         AUD7_REGISTER_OFFSET,
1462 };
1463
1464 static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1465 {
1466         int i;
1467
1468         if (!amdgpu_audio)
1469                 return 0;
1470
1471         adev->mode_info.audio.enabled = true;
1472
1473         switch (adev->asic_type) {
1474         case CHIP_CARRIZO:
1475         case CHIP_STONEY:
1476                 adev->mode_info.audio.num_pins = 7;
1477                 break;
1478         case CHIP_POLARIS10:
1479         case CHIP_VEGAM:
1480                 adev->mode_info.audio.num_pins = 8;
1481                 break;
1482         case CHIP_POLARIS11:
1483         case CHIP_POLARIS12:
1484                 adev->mode_info.audio.num_pins = 6;
1485                 break;
1486         default:
1487                 return -EINVAL;
1488         }
1489
1490         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1491                 adev->mode_info.audio.pin[i].channels = -1;
1492                 adev->mode_info.audio.pin[i].rate = -1;
1493                 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1494                 adev->mode_info.audio.pin[i].status_bits = 0;
1495                 adev->mode_info.audio.pin[i].category_code = 0;
1496                 adev->mode_info.audio.pin[i].connected = false;
1497                 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1498                 adev->mode_info.audio.pin[i].id = i;
1499                 /* disable audio.  it will be set up later */
1500                 /* XXX remove once we switch to ip funcs */
1501                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1502         }
1503
1504         return 0;
1505 }
1506
1507 static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1508 {
1509         int i;
1510
1511         if (!amdgpu_audio)
1512                 return;
1513
1514         if (!adev->mode_info.audio.enabled)
1515                 return;
1516
1517         for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1518                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1519
1520         adev->mode_info.audio.enabled = false;
1521 }
1522
1523 /*
1524  * update the N and CTS parameters for a given pixel clock rate
1525  */
1526 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1527 {
1528         struct drm_device *dev = encoder->dev;
1529         struct amdgpu_device *adev = drm_to_adev(dev);
1530         struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1531         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1532         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1533         u32 tmp;
1534
1535         tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1536         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1537         WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1538         tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1539         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1540         WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1541
1542         tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1543         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1544         WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1545         tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1546         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1547         WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1548
1549         tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1550         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1551         WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1552         tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1553         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1554         WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1555
1556 }
1557
1558 /*
1559  * build a HDMI Video Info Frame
1560  */
1561 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1562                                                void *buffer, size_t size)
1563 {
1564         struct drm_device *dev = encoder->dev;
1565         struct amdgpu_device *adev = drm_to_adev(dev);
1566         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1567         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1568         uint8_t *frame = buffer + 3;
1569         uint8_t *header = buffer;
1570
1571         WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1572                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1573         WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1574                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1575         WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1576                 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1577         WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1578                 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1579 }
1580
1581 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1582 {
1583         struct drm_device *dev = encoder->dev;
1584         struct amdgpu_device *adev = drm_to_adev(dev);
1585         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1586         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1587         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1588         u32 dto_phase = 24 * 1000;
1589         u32 dto_modulo = clock;
1590         u32 tmp;
1591
1592         if (!dig || !dig->afmt)
1593                 return;
1594
1595         /* XXX two dtos; generally use dto0 for hdmi */
1596         /* Express [24MHz / target pixel clock] as an exact rational
1597          * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1598          * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1599          */
1600         tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1601         tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1602                             amdgpu_crtc->crtc_id);
1603         WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1604         WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1605         WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1606 }
1607
1608 /*
1609  * update the info frames with the data from the current display mode
1610  */
1611 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1612                                   struct drm_display_mode *mode)
1613 {
1614         struct drm_device *dev = encoder->dev;
1615         struct amdgpu_device *adev = drm_to_adev(dev);
1616         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1617         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1618         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1619         u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1620         struct hdmi_avi_infoframe frame;
1621         ssize_t err;
1622         u32 tmp;
1623         int bpc = 8;
1624
1625         if (!dig || !dig->afmt)
1626                 return;
1627
1628         /* Silent, r600_hdmi_enable will raise WARN for us */
1629         if (!dig->afmt->enabled)
1630                 return;
1631
1632         /* hdmi deep color mode general control packets setup, if bpc > 8 */
1633         if (encoder->crtc) {
1634                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1635                 bpc = amdgpu_crtc->bpc;
1636         }
1637
1638         /* disable audio prior to setting up hw */
1639         dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1640         dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1641
1642         dce_v11_0_audio_set_dto(encoder, mode->clock);
1643
1644         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1645         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1646         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1647
1648         WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1649
1650         tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1651         switch (bpc) {
1652         case 0:
1653         case 6:
1654         case 8:
1655         case 16:
1656         default:
1657                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1658                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1659                 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1660                           connector->name, bpc);
1661                 break;
1662         case 10:
1663                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1664                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1665                 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1666                           connector->name);
1667                 break;
1668         case 12:
1669                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1670                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1671                 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1672                           connector->name);
1673                 break;
1674         }
1675         WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1676
1677         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1678         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1679         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1680         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1681         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1682
1683         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1684         /* enable audio info frames (frames won't be set until audio is enabled) */
1685         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1686         /* required for audio info values to be updated */
1687         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1688         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1689
1690         tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1691         /* required for audio info values to be updated */
1692         tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1693         WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1694
1695         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1696         /* anything other than 0 */
1697         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1698         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1699
1700         WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1701
1702         tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1703         /* set the default audio delay */
1704         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1705         /* should be suffient for all audio modes and small enough for all hblanks */
1706         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1707         WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1708
1709         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1710         /* allow 60958 channel status fields to be updated */
1711         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1712         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1713
1714         tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1715         if (bpc > 8)
1716                 /* clear SW CTS value */
1717                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1718         else
1719                 /* select SW CTS value */
1720                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1721         /* allow hw to sent ACR packets when required */
1722         tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1723         WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1724
1725         dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1726
1727         tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1728         tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1729         WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1730
1731         tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1732         tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1733         WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1734
1735         tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1736         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1737         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1738         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1739         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1740         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1741         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1742         WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1743
1744         dce_v11_0_audio_write_speaker_allocation(encoder);
1745
1746         WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1747                (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1748
1749         dce_v11_0_afmt_audio_select_pin(encoder);
1750         dce_v11_0_audio_write_sad_regs(encoder);
1751         dce_v11_0_audio_write_latency_fields(encoder, mode);
1752
1753         err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1754         if (err < 0) {
1755                 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1756                 return;
1757         }
1758
1759         err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1760         if (err < 0) {
1761                 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1762                 return;
1763         }
1764
1765         dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1766
1767         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1768         /* enable AVI info frames */
1769         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1770         /* required for audio info values to be updated */
1771         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1772         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1773
1774         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1775         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1776         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1777
1778         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1779         /* send audio packets */
1780         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1781         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1782
1783         WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1784         WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1785         WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1786         WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1787
1788         /* enable audio after to setting up hw */
1789         dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1790 }
1791
1792 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1793 {
1794         struct drm_device *dev = encoder->dev;
1795         struct amdgpu_device *adev = drm_to_adev(dev);
1796         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1797         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1798
1799         if (!dig || !dig->afmt)
1800                 return;
1801
1802         /* Silent, r600_hdmi_enable will raise WARN for us */
1803         if (enable && dig->afmt->enabled)
1804                 return;
1805         if (!enable && !dig->afmt->enabled)
1806                 return;
1807
1808         if (!enable && dig->afmt->pin) {
1809                 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1810                 dig->afmt->pin = NULL;
1811         }
1812
1813         dig->afmt->enabled = enable;
1814
1815         DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1816                   enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1817 }
1818
1819 static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1820 {
1821         int i;
1822
1823         for (i = 0; i < adev->mode_info.num_dig; i++)
1824                 adev->mode_info.afmt[i] = NULL;
1825
1826         /* DCE11 has audio blocks tied to DIG encoders */
1827         for (i = 0; i < adev->mode_info.num_dig; i++) {
1828                 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1829                 if (adev->mode_info.afmt[i]) {
1830                         adev->mode_info.afmt[i]->offset = dig_offsets[i];
1831                         adev->mode_info.afmt[i]->id = i;
1832                 } else {
1833                         int j;
1834                         for (j = 0; j < i; j++) {
1835                                 kfree(adev->mode_info.afmt[j]);
1836                                 adev->mode_info.afmt[j] = NULL;
1837                         }
1838                         return -ENOMEM;
1839                 }
1840         }
1841         return 0;
1842 }
1843
1844 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1845 {
1846         int i;
1847
1848         for (i = 0; i < adev->mode_info.num_dig; i++) {
1849                 kfree(adev->mode_info.afmt[i]);
1850                 adev->mode_info.afmt[i] = NULL;
1851         }
1852 }
1853
1854 static const u32 vga_control_regs[6] =
1855 {
1856         mmD1VGA_CONTROL,
1857         mmD2VGA_CONTROL,
1858         mmD3VGA_CONTROL,
1859         mmD4VGA_CONTROL,
1860         mmD5VGA_CONTROL,
1861         mmD6VGA_CONTROL,
1862 };
1863
1864 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1865 {
1866         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1867         struct drm_device *dev = crtc->dev;
1868         struct amdgpu_device *adev = drm_to_adev(dev);
1869         u32 vga_control;
1870
1871         vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1872         if (enable)
1873                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1874         else
1875                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1876 }
1877
1878 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1879 {
1880         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1881         struct drm_device *dev = crtc->dev;
1882         struct amdgpu_device *adev = drm_to_adev(dev);
1883
1884         if (enable)
1885                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1886         else
1887                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1888 }
1889
1890 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1891                                      struct drm_framebuffer *fb,
1892                                      int x, int y, int atomic)
1893 {
1894         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1895         struct drm_device *dev = crtc->dev;
1896         struct amdgpu_device *adev = drm_to_adev(dev);
1897         struct drm_framebuffer *target_fb;
1898         struct drm_gem_object *obj;
1899         struct amdgpu_bo *abo;
1900         uint64_t fb_location, tiling_flags;
1901         uint32_t fb_format, fb_pitch_pixels;
1902         u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1903         u32 pipe_config;
1904         u32 tmp, viewport_w, viewport_h;
1905         int r;
1906         bool bypass_lut = false;
1907
1908         /* no fb bound */
1909         if (!atomic && !crtc->primary->fb) {
1910                 DRM_DEBUG_KMS("No FB bound\n");
1911                 return 0;
1912         }
1913
1914         if (atomic)
1915                 target_fb = fb;
1916         else
1917                 target_fb = crtc->primary->fb;
1918
1919         /* If atomic, assume fb object is pinned & idle & fenced and
1920          * just update base pointers
1921          */
1922         obj = target_fb->obj[0];
1923         abo = gem_to_amdgpu_bo(obj);
1924         r = amdgpu_bo_reserve(abo, false);
1925         if (unlikely(r != 0))
1926                 return r;
1927
1928         if (!atomic) {
1929                 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1930                 if (unlikely(r != 0)) {
1931                         amdgpu_bo_unreserve(abo);
1932                         return -EINVAL;
1933                 }
1934         }
1935         fb_location = amdgpu_bo_gpu_offset(abo);
1936
1937         amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1938         amdgpu_bo_unreserve(abo);
1939
1940         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1941
1942         switch (target_fb->format->format) {
1943         case DRM_FORMAT_C8:
1944                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1945                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1946                 break;
1947         case DRM_FORMAT_XRGB4444:
1948         case DRM_FORMAT_ARGB4444:
1949                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1950                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1951 #ifdef __BIG_ENDIAN
1952                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1953                                         ENDIAN_8IN16);
1954 #endif
1955                 break;
1956         case DRM_FORMAT_XRGB1555:
1957         case DRM_FORMAT_ARGB1555:
1958                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1959                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1960 #ifdef __BIG_ENDIAN
1961                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1962                                         ENDIAN_8IN16);
1963 #endif
1964                 break;
1965         case DRM_FORMAT_BGRX5551:
1966         case DRM_FORMAT_BGRA5551:
1967                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1968                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1969 #ifdef __BIG_ENDIAN
1970                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1971                                         ENDIAN_8IN16);
1972 #endif
1973                 break;
1974         case DRM_FORMAT_RGB565:
1975                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1976                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1977 #ifdef __BIG_ENDIAN
1978                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1979                                         ENDIAN_8IN16);
1980 #endif
1981                 break;
1982         case DRM_FORMAT_XRGB8888:
1983         case DRM_FORMAT_ARGB8888:
1984                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1985                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1986 #ifdef __BIG_ENDIAN
1987                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1988                                         ENDIAN_8IN32);
1989 #endif
1990                 break;
1991         case DRM_FORMAT_XRGB2101010:
1992         case DRM_FORMAT_ARGB2101010:
1993                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1994                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1995 #ifdef __BIG_ENDIAN
1996                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1997                                         ENDIAN_8IN32);
1998 #endif
1999                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2000                 bypass_lut = true;
2001                 break;
2002         case DRM_FORMAT_BGRX1010102:
2003         case DRM_FORMAT_BGRA1010102:
2004                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2005                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2006 #ifdef __BIG_ENDIAN
2007                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2008                                         ENDIAN_8IN32);
2009 #endif
2010                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2011                 bypass_lut = true;
2012                 break;
2013         case DRM_FORMAT_XBGR8888:
2014         case DRM_FORMAT_ABGR8888:
2015                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2016                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2017                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2018                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2019 #ifdef __BIG_ENDIAN
2020                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2021                                         ENDIAN_8IN32);
2022 #endif
2023                 break;
2024         default:
2025                 DRM_ERROR("Unsupported screen format %p4cc\n",
2026                           &target_fb->format->format);
2027                 return -EINVAL;
2028         }
2029
2030         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2031                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2032
2033                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2034                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2035                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2036                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2037                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2038
2039                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2040                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2041                                           ARRAY_2D_TILED_THIN1);
2042                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2043                                           tile_split);
2044                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2045                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2046                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2047                                           mtaspect);
2048                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2049                                           ADDR_SURF_MICRO_TILING_DISPLAY);
2050         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2051                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2052                                           ARRAY_1D_TILED_THIN1);
2053         }
2054
2055         fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2056                                   pipe_config);
2057
2058         dce_v11_0_vga_enable(crtc, false);
2059
2060         /* Make sure surface address is updated at vertical blank rather than
2061          * horizontal blank
2062          */
2063         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2064         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2065                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2066         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2067
2068         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2069                upper_32_bits(fb_location));
2070         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2071                upper_32_bits(fb_location));
2072         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2073                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2074         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2075                (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2076         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2077         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2078
2079         /*
2080          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2081          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2082          * retain the full precision throughout the pipeline.
2083          */
2084         tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2085         if (bypass_lut)
2086                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2087         else
2088                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2089         WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2090
2091         if (bypass_lut)
2092                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2093
2094         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2095         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2096         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2097         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2098         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2099         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2100
2101         fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2102         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2103
2104         dce_v11_0_grph_enable(crtc, true);
2105
2106         WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2107                target_fb->height);
2108
2109         x &= ~3;
2110         y &= ~1;
2111         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2112                (x << 16) | y);
2113         viewport_w = crtc->mode.hdisplay;
2114         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2115         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2116                (viewport_w << 16) | viewport_h);
2117
2118         /* set pageflip to happen anywhere in vblank interval */
2119         WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2120
2121         if (!atomic && fb && fb != crtc->primary->fb) {
2122                 abo = gem_to_amdgpu_bo(fb->obj[0]);
2123                 r = amdgpu_bo_reserve(abo, true);
2124                 if (unlikely(r != 0))
2125                         return r;
2126                 amdgpu_bo_unpin(abo);
2127                 amdgpu_bo_unreserve(abo);
2128         }
2129
2130         /* Bytes per pixel may have changed */
2131         dce_v11_0_bandwidth_update(adev);
2132
2133         return 0;
2134 }
2135
2136 static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2137                                      struct drm_display_mode *mode)
2138 {
2139         struct drm_device *dev = crtc->dev;
2140         struct amdgpu_device *adev = drm_to_adev(dev);
2141         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2142         u32 tmp;
2143
2144         tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2145         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2146                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2147         else
2148                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2149         WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2150 }
2151
2152 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2153 {
2154         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2155         struct drm_device *dev = crtc->dev;
2156         struct amdgpu_device *adev = drm_to_adev(dev);
2157         u16 *r, *g, *b;
2158         int i;
2159         u32 tmp;
2160
2161         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2162
2163         tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2164         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2165         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2166
2167         tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2168         tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2169         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2170
2171         tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2172         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2173         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2174
2175         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2176
2177         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2178         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2179         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2180
2181         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2182         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2183         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2184
2185         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2186         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2187
2188         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2189         r = crtc->gamma_store;
2190         g = r + crtc->gamma_size;
2191         b = g + crtc->gamma_size;
2192         for (i = 0; i < 256; i++) {
2193                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2194                        ((*r++ & 0xffc0) << 14) |
2195                        ((*g++ & 0xffc0) << 4) |
2196                        (*b++ >> 6));
2197         }
2198
2199         tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2200         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2201         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2202         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2203         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2204
2205         tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2206         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2207         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2208
2209         tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2210         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2211         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2212
2213         tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2214         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2215         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2216
2217         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2218         WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2219         /* XXX this only needs to be programmed once per crtc at startup,
2220          * not sure where the best place for it is
2221          */
2222         tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2223         tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2224         WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2225 }
2226
2227 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2228 {
2229         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2230         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2231
2232         switch (amdgpu_encoder->encoder_id) {
2233         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2234                 if (dig->linkb)
2235                         return 1;
2236                 else
2237                         return 0;
2238         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2239                 if (dig->linkb)
2240                         return 3;
2241                 else
2242                         return 2;
2243         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2244                 if (dig->linkb)
2245                         return 5;
2246                 else
2247                         return 4;
2248         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2249                 return 6;
2250         default:
2251                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2252                 return 0;
2253         }
2254 }
2255
2256 /**
2257  * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2258  *
2259  * @crtc: drm crtc
2260  *
2261  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2262  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2263  * monitors a dedicated PPLL must be used.  If a particular board has
2264  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2265  * as there is no need to program the PLL itself.  If we are not able to
2266  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2267  * avoid messing up an existing monitor.
2268  *
2269  * Asic specific PLL information
2270  *
2271  * DCE 10.x
2272  * Tonga
2273  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2274  * CI
2275  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2276  *
2277  */
2278 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2279 {
2280         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2281         struct drm_device *dev = crtc->dev;
2282         struct amdgpu_device *adev = drm_to_adev(dev);
2283         u32 pll_in_use;
2284         int pll;
2285
2286         if ((adev->asic_type == CHIP_POLARIS10) ||
2287             (adev->asic_type == CHIP_POLARIS11) ||
2288             (adev->asic_type == CHIP_POLARIS12) ||
2289             (adev->asic_type == CHIP_VEGAM)) {
2290                 struct amdgpu_encoder *amdgpu_encoder =
2291                         to_amdgpu_encoder(amdgpu_crtc->encoder);
2292                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2293
2294                 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2295                         return ATOM_DP_DTO;
2296
2297                 switch (amdgpu_encoder->encoder_id) {
2298                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2299                         if (dig->linkb)
2300                                 return ATOM_COMBOPHY_PLL1;
2301                         else
2302                                 return ATOM_COMBOPHY_PLL0;
2303                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2304                         if (dig->linkb)
2305                                 return ATOM_COMBOPHY_PLL3;
2306                         else
2307                                 return ATOM_COMBOPHY_PLL2;
2308                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2309                         if (dig->linkb)
2310                                 return ATOM_COMBOPHY_PLL5;
2311                         else
2312                                 return ATOM_COMBOPHY_PLL4;
2313                 default:
2314                         DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2315                         return ATOM_PPLL_INVALID;
2316                 }
2317         }
2318
2319         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2320                 if (adev->clock.dp_extclk)
2321                         /* skip PPLL programming if using ext clock */
2322                         return ATOM_PPLL_INVALID;
2323                 else {
2324                         /* use the same PPLL for all DP monitors */
2325                         pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2326                         if (pll != ATOM_PPLL_INVALID)
2327                                 return pll;
2328                 }
2329         } else {
2330                 /* use the same PPLL for all monitors with the same clock */
2331                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2332                 if (pll != ATOM_PPLL_INVALID)
2333                         return pll;
2334         }
2335
2336         /* XXX need to determine what plls are available on each DCE11 part */
2337         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2338         if (adev->flags & AMD_IS_APU) {
2339                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2340                         return ATOM_PPLL1;
2341                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2342                         return ATOM_PPLL0;
2343                 DRM_ERROR("unable to allocate a PPLL\n");
2344                 return ATOM_PPLL_INVALID;
2345         } else {
2346                 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2347                         return ATOM_PPLL2;
2348                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2349                         return ATOM_PPLL1;
2350                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2351                         return ATOM_PPLL0;
2352                 DRM_ERROR("unable to allocate a PPLL\n");
2353                 return ATOM_PPLL_INVALID;
2354         }
2355         return ATOM_PPLL_INVALID;
2356 }
2357
2358 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2359 {
2360         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2361         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2362         uint32_t cur_lock;
2363
2364         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2365         if (lock)
2366                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2367         else
2368                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2369         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2370 }
2371
2372 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2373 {
2374         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2375         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2376         u32 tmp;
2377
2378         tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2379         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2380         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2381 }
2382
2383 static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2384 {
2385         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2386         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2387         u32 tmp;
2388
2389         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2390                upper_32_bits(amdgpu_crtc->cursor_addr));
2391         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2392                lower_32_bits(amdgpu_crtc->cursor_addr));
2393
2394         tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2395         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2396         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2397         WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2398 }
2399
2400 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2401                                         int x, int y)
2402 {
2403         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2404         struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2405         int xorigin = 0, yorigin = 0;
2406
2407         amdgpu_crtc->cursor_x = x;
2408         amdgpu_crtc->cursor_y = y;
2409
2410         /* avivo cursor are offset into the total surface */
2411         x += crtc->x;
2412         y += crtc->y;
2413         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2414
2415         if (x < 0) {
2416                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2417                 x = 0;
2418         }
2419         if (y < 0) {
2420                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2421                 y = 0;
2422         }
2423
2424         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2425         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2426         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2427                ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2428
2429         return 0;
2430 }
2431
2432 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2433                                       int x, int y)
2434 {
2435         int ret;
2436
2437         dce_v11_0_lock_cursor(crtc, true);
2438         ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2439         dce_v11_0_lock_cursor(crtc, false);
2440
2441         return ret;
2442 }
2443
2444 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2445                                       struct drm_file *file_priv,
2446                                       uint32_t handle,
2447                                       uint32_t width,
2448                                       uint32_t height,
2449                                       int32_t hot_x,
2450                                       int32_t hot_y)
2451 {
2452         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2453         struct drm_gem_object *obj;
2454         struct amdgpu_bo *aobj;
2455         int ret;
2456
2457         if (!handle) {
2458                 /* turn off cursor */
2459                 dce_v11_0_hide_cursor(crtc);
2460                 obj = NULL;
2461                 goto unpin;
2462         }
2463
2464         if ((width > amdgpu_crtc->max_cursor_width) ||
2465             (height > amdgpu_crtc->max_cursor_height)) {
2466                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2467                 return -EINVAL;
2468         }
2469
2470         obj = drm_gem_object_lookup(file_priv, handle);
2471         if (!obj) {
2472                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2473                 return -ENOENT;
2474         }
2475
2476         aobj = gem_to_amdgpu_bo(obj);
2477         ret = amdgpu_bo_reserve(aobj, false);
2478         if (ret != 0) {
2479                 drm_gem_object_put(obj);
2480                 return ret;
2481         }
2482
2483         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2484         amdgpu_bo_unreserve(aobj);
2485         if (ret) {
2486                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2487                 drm_gem_object_put(obj);
2488                 return ret;
2489         }
2490         amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2491
2492         dce_v11_0_lock_cursor(crtc, true);
2493
2494         if (width != amdgpu_crtc->cursor_width ||
2495             height != amdgpu_crtc->cursor_height ||
2496             hot_x != amdgpu_crtc->cursor_hot_x ||
2497             hot_y != amdgpu_crtc->cursor_hot_y) {
2498                 int x, y;
2499
2500                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2501                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2502
2503                 dce_v11_0_cursor_move_locked(crtc, x, y);
2504
2505                 amdgpu_crtc->cursor_width = width;
2506                 amdgpu_crtc->cursor_height = height;
2507                 amdgpu_crtc->cursor_hot_x = hot_x;
2508                 amdgpu_crtc->cursor_hot_y = hot_y;
2509         }
2510
2511         dce_v11_0_show_cursor(crtc);
2512         dce_v11_0_lock_cursor(crtc, false);
2513
2514 unpin:
2515         if (amdgpu_crtc->cursor_bo) {
2516                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2517                 ret = amdgpu_bo_reserve(aobj, true);
2518                 if (likely(ret == 0)) {
2519                         amdgpu_bo_unpin(aobj);
2520                         amdgpu_bo_unreserve(aobj);
2521                 }
2522                 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2523         }
2524
2525         amdgpu_crtc->cursor_bo = obj;
2526         return 0;
2527 }
2528
2529 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2530 {
2531         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2532
2533         if (amdgpu_crtc->cursor_bo) {
2534                 dce_v11_0_lock_cursor(crtc, true);
2535
2536                 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2537                                              amdgpu_crtc->cursor_y);
2538
2539                 dce_v11_0_show_cursor(crtc);
2540
2541                 dce_v11_0_lock_cursor(crtc, false);
2542         }
2543 }
2544
2545 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2546                                     u16 *blue, uint32_t size,
2547                                     struct drm_modeset_acquire_ctx *ctx)
2548 {
2549         dce_v11_0_crtc_load_lut(crtc);
2550
2551         return 0;
2552 }
2553
2554 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2555 {
2556         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2557
2558         drm_crtc_cleanup(crtc);
2559         kfree(amdgpu_crtc);
2560 }
2561
2562 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2563         .cursor_set2 = dce_v11_0_crtc_cursor_set2,
2564         .cursor_move = dce_v11_0_crtc_cursor_move,
2565         .gamma_set = dce_v11_0_crtc_gamma_set,
2566         .set_config = amdgpu_display_crtc_set_config,
2567         .destroy = dce_v11_0_crtc_destroy,
2568         .page_flip_target = amdgpu_display_crtc_page_flip_target,
2569         .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2570         .enable_vblank = amdgpu_enable_vblank_kms,
2571         .disable_vblank = amdgpu_disable_vblank_kms,
2572         .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2573 };
2574
2575 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2576 {
2577         struct drm_device *dev = crtc->dev;
2578         struct amdgpu_device *adev = drm_to_adev(dev);
2579         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2580         unsigned type;
2581
2582         switch (mode) {
2583         case DRM_MODE_DPMS_ON:
2584                 amdgpu_crtc->enabled = true;
2585                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2586                 dce_v11_0_vga_enable(crtc, true);
2587                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2588                 dce_v11_0_vga_enable(crtc, false);
2589                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2590                 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2591                                                 amdgpu_crtc->crtc_id);
2592                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2593                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2594                 drm_crtc_vblank_on(crtc);
2595                 dce_v11_0_crtc_load_lut(crtc);
2596                 break;
2597         case DRM_MODE_DPMS_STANDBY:
2598         case DRM_MODE_DPMS_SUSPEND:
2599         case DRM_MODE_DPMS_OFF:
2600                 drm_crtc_vblank_off(crtc);
2601                 if (amdgpu_crtc->enabled) {
2602                         dce_v11_0_vga_enable(crtc, true);
2603                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2604                         dce_v11_0_vga_enable(crtc, false);
2605                 }
2606                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2607                 amdgpu_crtc->enabled = false;
2608                 break;
2609         }
2610         /* adjust pm to dpms */
2611         amdgpu_pm_compute_clocks(adev);
2612 }
2613
2614 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2615 {
2616         /* disable crtc pair power gating before programming */
2617         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2618         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2619         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2620 }
2621
2622 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2623 {
2624         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2625         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2626 }
2627
2628 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2629 {
2630         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2631         struct drm_device *dev = crtc->dev;
2632         struct amdgpu_device *adev = drm_to_adev(dev);
2633         struct amdgpu_atom_ss ss;
2634         int i;
2635
2636         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2637         if (crtc->primary->fb) {
2638                 int r;
2639                 struct amdgpu_bo *abo;
2640
2641                 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2642                 r = amdgpu_bo_reserve(abo, true);
2643                 if (unlikely(r))
2644                         DRM_ERROR("failed to reserve abo before unpin\n");
2645                 else {
2646                         amdgpu_bo_unpin(abo);
2647                         amdgpu_bo_unreserve(abo);
2648                 }
2649         }
2650         /* disable the GRPH */
2651         dce_v11_0_grph_enable(crtc, false);
2652
2653         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2654
2655         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2656                 if (adev->mode_info.crtcs[i] &&
2657                     adev->mode_info.crtcs[i]->enabled &&
2658                     i != amdgpu_crtc->crtc_id &&
2659                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2660                         /* one other crtc is using this pll don't turn
2661                          * off the pll
2662                          */
2663                         goto done;
2664                 }
2665         }
2666
2667         switch (amdgpu_crtc->pll_id) {
2668         case ATOM_PPLL0:
2669         case ATOM_PPLL1:
2670         case ATOM_PPLL2:
2671                 /* disable the ppll */
2672                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2673                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2674                 break;
2675         case ATOM_COMBOPHY_PLL0:
2676         case ATOM_COMBOPHY_PLL1:
2677         case ATOM_COMBOPHY_PLL2:
2678         case ATOM_COMBOPHY_PLL3:
2679         case ATOM_COMBOPHY_PLL4:
2680         case ATOM_COMBOPHY_PLL5:
2681                 /* disable the ppll */
2682                 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2683                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2684                 break;
2685         default:
2686                 break;
2687         }
2688 done:
2689         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2690         amdgpu_crtc->adjusted_clock = 0;
2691         amdgpu_crtc->encoder = NULL;
2692         amdgpu_crtc->connector = NULL;
2693 }
2694
2695 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2696                                   struct drm_display_mode *mode,
2697                                   struct drm_display_mode *adjusted_mode,
2698                                   int x, int y, struct drm_framebuffer *old_fb)
2699 {
2700         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2701         struct drm_device *dev = crtc->dev;
2702         struct amdgpu_device *adev = drm_to_adev(dev);
2703
2704         if (!amdgpu_crtc->adjusted_clock)
2705                 return -EINVAL;
2706
2707         if ((adev->asic_type == CHIP_POLARIS10) ||
2708             (adev->asic_type == CHIP_POLARIS11) ||
2709             (adev->asic_type == CHIP_POLARIS12) ||
2710             (adev->asic_type == CHIP_VEGAM)) {
2711                 struct amdgpu_encoder *amdgpu_encoder =
2712                         to_amdgpu_encoder(amdgpu_crtc->encoder);
2713                 int encoder_mode =
2714                         amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2715
2716                 /* SetPixelClock calculates the plls and ss values now */
2717                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2718                                                  amdgpu_crtc->pll_id,
2719                                                  encoder_mode, amdgpu_encoder->encoder_id,
2720                                                  adjusted_mode->clock, 0, 0, 0, 0,
2721                                                  amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2722         } else {
2723                 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2724         }
2725         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2726         dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2727         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2728         amdgpu_atombios_crtc_scaler_setup(crtc);
2729         dce_v11_0_cursor_reset(crtc);
2730         /* update the hw version fpr dpm */
2731         amdgpu_crtc->hw_mode = *adjusted_mode;
2732
2733         return 0;
2734 }
2735
2736 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2737                                      const struct drm_display_mode *mode,
2738                                      struct drm_display_mode *adjusted_mode)
2739 {
2740         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2741         struct drm_device *dev = crtc->dev;
2742         struct drm_encoder *encoder;
2743
2744         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2745         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2746                 if (encoder->crtc == crtc) {
2747                         amdgpu_crtc->encoder = encoder;
2748                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2749                         break;
2750                 }
2751         }
2752         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2753                 amdgpu_crtc->encoder = NULL;
2754                 amdgpu_crtc->connector = NULL;
2755                 return false;
2756         }
2757         if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2758                 return false;
2759         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2760                 return false;
2761         /* pick pll */
2762         amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2763         /* if we can't get a PPLL for a non-DP encoder, fail */
2764         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2765             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2766                 return false;
2767
2768         return true;
2769 }
2770
2771 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2772                                   struct drm_framebuffer *old_fb)
2773 {
2774         return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2775 }
2776
2777 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2778                                          struct drm_framebuffer *fb,
2779                                          int x, int y, enum mode_set_atomic state)
2780 {
2781         return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2782 }
2783
2784 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2785         .dpms = dce_v11_0_crtc_dpms,
2786         .mode_fixup = dce_v11_0_crtc_mode_fixup,
2787         .mode_set = dce_v11_0_crtc_mode_set,
2788         .mode_set_base = dce_v11_0_crtc_set_base,
2789         .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2790         .prepare = dce_v11_0_crtc_prepare,
2791         .commit = dce_v11_0_crtc_commit,
2792         .disable = dce_v11_0_crtc_disable,
2793         .get_scanout_position = amdgpu_crtc_get_scanout_position,
2794 };
2795
2796 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2797 {
2798         struct amdgpu_crtc *amdgpu_crtc;
2799
2800         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2801                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2802         if (amdgpu_crtc == NULL)
2803                 return -ENOMEM;
2804
2805         drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2806
2807         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2808         amdgpu_crtc->crtc_id = index;
2809         adev->mode_info.crtcs[index] = amdgpu_crtc;
2810
2811         amdgpu_crtc->max_cursor_width = 128;
2812         amdgpu_crtc->max_cursor_height = 128;
2813         adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2814         adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2815
2816         switch (amdgpu_crtc->crtc_id) {
2817         case 0:
2818         default:
2819                 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2820                 break;
2821         case 1:
2822                 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2823                 break;
2824         case 2:
2825                 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2826                 break;
2827         case 3:
2828                 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2829                 break;
2830         case 4:
2831                 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2832                 break;
2833         case 5:
2834                 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2835                 break;
2836         }
2837
2838         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2839         amdgpu_crtc->adjusted_clock = 0;
2840         amdgpu_crtc->encoder = NULL;
2841         amdgpu_crtc->connector = NULL;
2842         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2843
2844         return 0;
2845 }
2846
2847 static int dce_v11_0_early_init(void *handle)
2848 {
2849         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2850
2851         adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2852         adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2853
2854         dce_v11_0_set_display_funcs(adev);
2855
2856         adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2857
2858         switch (adev->asic_type) {
2859         case CHIP_CARRIZO:
2860                 adev->mode_info.num_hpd = 6;
2861                 adev->mode_info.num_dig = 9;
2862                 break;
2863         case CHIP_STONEY:
2864                 adev->mode_info.num_hpd = 6;
2865                 adev->mode_info.num_dig = 9;
2866                 break;
2867         case CHIP_POLARIS10:
2868         case CHIP_VEGAM:
2869                 adev->mode_info.num_hpd = 6;
2870                 adev->mode_info.num_dig = 6;
2871                 break;
2872         case CHIP_POLARIS11:
2873         case CHIP_POLARIS12:
2874                 adev->mode_info.num_hpd = 5;
2875                 adev->mode_info.num_dig = 5;
2876                 break;
2877         default:
2878                 /* FIXME: not supported yet */
2879                 return -EINVAL;
2880         }
2881
2882         dce_v11_0_set_irq_funcs(adev);
2883
2884         return 0;
2885 }
2886
2887 static int dce_v11_0_sw_init(void *handle)
2888 {
2889         int r, i;
2890         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2891
2892         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2893                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2894                 if (r)
2895                         return r;
2896         }
2897
2898         for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2899                 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2900                 if (r)
2901                         return r;
2902         }
2903
2904         /* HPD hotplug */
2905         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2906         if (r)
2907                 return r;
2908
2909         adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2910
2911         adev_to_drm(adev)->mode_config.async_page_flip = true;
2912
2913         adev_to_drm(adev)->mode_config.max_width = 16384;
2914         adev_to_drm(adev)->mode_config.max_height = 16384;
2915
2916         adev_to_drm(adev)->mode_config.preferred_depth = 24;
2917         adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2918
2919         adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
2920
2921         r = amdgpu_display_modeset_create_props(adev);
2922         if (r)
2923                 return r;
2924
2925         adev_to_drm(adev)->mode_config.max_width = 16384;
2926         adev_to_drm(adev)->mode_config.max_height = 16384;
2927
2928
2929         /* allocate crtcs */
2930         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2931                 r = dce_v11_0_crtc_init(adev, i);
2932                 if (r)
2933                         return r;
2934         }
2935
2936         if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2937                 amdgpu_display_print_display_setup(adev_to_drm(adev));
2938         else
2939                 return -EINVAL;
2940
2941         /* setup afmt */
2942         r = dce_v11_0_afmt_init(adev);
2943         if (r)
2944                 return r;
2945
2946         r = dce_v11_0_audio_init(adev);
2947         if (r)
2948                 return r;
2949
2950         drm_kms_helper_poll_init(adev_to_drm(adev));
2951
2952         adev->mode_info.mode_config_initialized = true;
2953         return 0;
2954 }
2955
2956 static int dce_v11_0_sw_fini(void *handle)
2957 {
2958         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2959
2960         kfree(adev->mode_info.bios_hardcoded_edid);
2961
2962         drm_kms_helper_poll_fini(adev_to_drm(adev));
2963
2964         dce_v11_0_audio_fini(adev);
2965
2966         dce_v11_0_afmt_fini(adev);
2967
2968         drm_mode_config_cleanup(adev_to_drm(adev));
2969         adev->mode_info.mode_config_initialized = false;
2970
2971         return 0;
2972 }
2973
2974 static int dce_v11_0_hw_init(void *handle)
2975 {
2976         int i;
2977         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2978
2979         dce_v11_0_init_golden_registers(adev);
2980
2981         /* disable vga render */
2982         dce_v11_0_set_vga_render_state(adev, false);
2983         /* init dig PHYs, disp eng pll */
2984         amdgpu_atombios_crtc_powergate_init(adev);
2985         amdgpu_atombios_encoder_init_dig(adev);
2986         if ((adev->asic_type == CHIP_POLARIS10) ||
2987             (adev->asic_type == CHIP_POLARIS11) ||
2988             (adev->asic_type == CHIP_POLARIS12) ||
2989             (adev->asic_type == CHIP_VEGAM)) {
2990                 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
2991                                                    DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
2992                 amdgpu_atombios_crtc_set_dce_clock(adev, 0,
2993                                                    DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
2994         } else {
2995                 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2996         }
2997
2998         /* initialize hpd */
2999         dce_v11_0_hpd_init(adev);
3000
3001         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3002                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3003         }
3004
3005         dce_v11_0_pageflip_interrupt_init(adev);
3006
3007         return 0;
3008 }
3009
3010 static int dce_v11_0_hw_fini(void *handle)
3011 {
3012         int i;
3013         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3014
3015         dce_v11_0_hpd_fini(adev);
3016
3017         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3018                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3019         }
3020
3021         dce_v11_0_pageflip_interrupt_fini(adev);
3022
3023         return 0;
3024 }
3025
3026 static int dce_v11_0_suspend(void *handle)
3027 {
3028         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3029         int r;
3030
3031         r = amdgpu_display_suspend_helper(adev);
3032         if (r)
3033                 return r;
3034
3035         adev->mode_info.bl_level =
3036                 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3037
3038         return dce_v11_0_hw_fini(handle);
3039 }
3040
3041 static int dce_v11_0_resume(void *handle)
3042 {
3043         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3044         int ret;
3045
3046         amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3047                                                            adev->mode_info.bl_level);
3048
3049         ret = dce_v11_0_hw_init(handle);
3050
3051         /* turn on the BL */
3052         if (adev->mode_info.bl_encoder) {
3053                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3054                                                                   adev->mode_info.bl_encoder);
3055                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3056                                                     bl_level);
3057         }
3058         if (ret)
3059                 return ret;
3060
3061         return amdgpu_display_resume_helper(adev);
3062 }
3063
3064 static bool dce_v11_0_is_idle(void *handle)
3065 {
3066         return true;
3067 }
3068
3069 static int dce_v11_0_wait_for_idle(void *handle)
3070 {
3071         return 0;
3072 }
3073
3074 static int dce_v11_0_soft_reset(void *handle)
3075 {
3076         u32 srbm_soft_reset = 0, tmp;
3077         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3078
3079         if (dce_v11_0_is_display_hung(adev))
3080                 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3081
3082         if (srbm_soft_reset) {
3083                 tmp = RREG32(mmSRBM_SOFT_RESET);
3084                 tmp |= srbm_soft_reset;
3085                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3086                 WREG32(mmSRBM_SOFT_RESET, tmp);
3087                 tmp = RREG32(mmSRBM_SOFT_RESET);
3088
3089                 udelay(50);
3090
3091                 tmp &= ~srbm_soft_reset;
3092                 WREG32(mmSRBM_SOFT_RESET, tmp);
3093                 tmp = RREG32(mmSRBM_SOFT_RESET);
3094
3095                 /* Wait a little for things to settle down */
3096                 udelay(50);
3097         }
3098         return 0;
3099 }
3100
3101 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3102                                                      int crtc,
3103                                                      enum amdgpu_interrupt_state state)
3104 {
3105         u32 lb_interrupt_mask;
3106
3107         if (crtc >= adev->mode_info.num_crtc) {
3108                 DRM_DEBUG("invalid crtc %d\n", crtc);
3109                 return;
3110         }
3111
3112         switch (state) {
3113         case AMDGPU_IRQ_STATE_DISABLE:
3114                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3115                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3116                                                   VBLANK_INTERRUPT_MASK, 0);
3117                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3118                 break;
3119         case AMDGPU_IRQ_STATE_ENABLE:
3120                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3121                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3122                                                   VBLANK_INTERRUPT_MASK, 1);
3123                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3124                 break;
3125         default:
3126                 break;
3127         }
3128 }
3129
3130 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3131                                                     int crtc,
3132                                                     enum amdgpu_interrupt_state state)
3133 {
3134         u32 lb_interrupt_mask;
3135
3136         if (crtc >= adev->mode_info.num_crtc) {
3137                 DRM_DEBUG("invalid crtc %d\n", crtc);
3138                 return;
3139         }
3140
3141         switch (state) {
3142         case AMDGPU_IRQ_STATE_DISABLE:
3143                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3144                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3145                                                   VLINE_INTERRUPT_MASK, 0);
3146                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3147                 break;
3148         case AMDGPU_IRQ_STATE_ENABLE:
3149                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3150                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3151                                                   VLINE_INTERRUPT_MASK, 1);
3152                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3153                 break;
3154         default:
3155                 break;
3156         }
3157 }
3158
3159 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3160                                         struct amdgpu_irq_src *source,
3161                                         unsigned hpd,
3162                                         enum amdgpu_interrupt_state state)
3163 {
3164         u32 tmp;
3165
3166         if (hpd >= adev->mode_info.num_hpd) {
3167                 DRM_DEBUG("invalid hdp %d\n", hpd);
3168                 return 0;
3169         }
3170
3171         switch (state) {
3172         case AMDGPU_IRQ_STATE_DISABLE:
3173                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3174                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3175                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3176                 break;
3177         case AMDGPU_IRQ_STATE_ENABLE:
3178                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3179                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3180                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3181                 break;
3182         default:
3183                 break;
3184         }
3185
3186         return 0;
3187 }
3188
3189 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3190                                         struct amdgpu_irq_src *source,
3191                                         unsigned type,
3192                                         enum amdgpu_interrupt_state state)
3193 {
3194         switch (type) {
3195         case AMDGPU_CRTC_IRQ_VBLANK1:
3196                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3197                 break;
3198         case AMDGPU_CRTC_IRQ_VBLANK2:
3199                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3200                 break;
3201         case AMDGPU_CRTC_IRQ_VBLANK3:
3202                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3203                 break;
3204         case AMDGPU_CRTC_IRQ_VBLANK4:
3205                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3206                 break;
3207         case AMDGPU_CRTC_IRQ_VBLANK5:
3208                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3209                 break;
3210         case AMDGPU_CRTC_IRQ_VBLANK6:
3211                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3212                 break;
3213         case AMDGPU_CRTC_IRQ_VLINE1:
3214                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3215                 break;
3216         case AMDGPU_CRTC_IRQ_VLINE2:
3217                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3218                 break;
3219         case AMDGPU_CRTC_IRQ_VLINE3:
3220                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3221                 break;
3222         case AMDGPU_CRTC_IRQ_VLINE4:
3223                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3224                 break;
3225         case AMDGPU_CRTC_IRQ_VLINE5:
3226                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3227                 break;
3228          case AMDGPU_CRTC_IRQ_VLINE6:
3229                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3230                 break;
3231         default:
3232                 break;
3233         }
3234         return 0;
3235 }
3236
3237 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3238                                             struct amdgpu_irq_src *src,
3239                                             unsigned type,
3240                                             enum amdgpu_interrupt_state state)
3241 {
3242         u32 reg;
3243
3244         if (type >= adev->mode_info.num_crtc) {
3245                 DRM_ERROR("invalid pageflip crtc %d\n", type);
3246                 return -EINVAL;
3247         }
3248
3249         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3250         if (state == AMDGPU_IRQ_STATE_DISABLE)
3251                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3252                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3253         else
3254                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3255                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3256
3257         return 0;
3258 }
3259
3260 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3261                                   struct amdgpu_irq_src *source,
3262                                   struct amdgpu_iv_entry *entry)
3263 {
3264         unsigned long flags;
3265         unsigned crtc_id;
3266         struct amdgpu_crtc *amdgpu_crtc;
3267         struct amdgpu_flip_work *works;
3268
3269         crtc_id = (entry->src_id - 8) >> 1;
3270         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3271
3272         if (crtc_id >= adev->mode_info.num_crtc) {
3273                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3274                 return -EINVAL;
3275         }
3276
3277         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3278             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3279                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3280                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3281
3282         /* IRQ could occur when in initial stage */
3283         if(amdgpu_crtc == NULL)
3284                 return 0;
3285
3286         spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3287         works = amdgpu_crtc->pflip_works;
3288         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3289                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3290                                                  "AMDGPU_FLIP_SUBMITTED(%d)\n",
3291                                                  amdgpu_crtc->pflip_status,
3292                                                  AMDGPU_FLIP_SUBMITTED);
3293                 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3294                 return 0;
3295         }
3296
3297         /* page flip completed. clean up */
3298         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3299         amdgpu_crtc->pflip_works = NULL;
3300
3301         /* wakeup usersapce */
3302         if(works->event)
3303                 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3304
3305         spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3306
3307         drm_crtc_vblank_put(&amdgpu_crtc->base);
3308         schedule_work(&works->unpin_work);
3309
3310         return 0;
3311 }
3312
3313 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3314                                   int hpd)
3315 {
3316         u32 tmp;
3317
3318         if (hpd >= adev->mode_info.num_hpd) {
3319                 DRM_DEBUG("invalid hdp %d\n", hpd);
3320                 return;
3321         }
3322
3323         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3324         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3325         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3326 }
3327
3328 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3329                                           int crtc)
3330 {
3331         u32 tmp;
3332
3333         if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3334                 DRM_DEBUG("invalid crtc %d\n", crtc);
3335                 return;
3336         }
3337
3338         tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3339         tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3340         WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3341 }
3342
3343 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3344                                          int crtc)
3345 {
3346         u32 tmp;
3347
3348         if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3349                 DRM_DEBUG("invalid crtc %d\n", crtc);
3350                 return;
3351         }
3352
3353         tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3354         tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3355         WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3356 }
3357
3358 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3359                                 struct amdgpu_irq_src *source,
3360                                 struct amdgpu_iv_entry *entry)
3361 {
3362         unsigned crtc = entry->src_id - 1;
3363         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3364         unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3365                                                                     crtc);
3366
3367         switch (entry->src_data[0]) {
3368         case 0: /* vblank */
3369                 if (disp_int & interrupt_status_offsets[crtc].vblank)
3370                         dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3371                 else
3372                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3373
3374                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3375                         drm_handle_vblank(adev_to_drm(adev), crtc);
3376                 }
3377                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3378
3379                 break;
3380         case 1: /* vline */
3381                 if (disp_int & interrupt_status_offsets[crtc].vline)
3382                         dce_v11_0_crtc_vline_int_ack(adev, crtc);
3383                 else
3384                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3385
3386                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3387
3388                 break;
3389         default:
3390                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3391                 break;
3392         }
3393
3394         return 0;
3395 }
3396
3397 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3398                              struct amdgpu_irq_src *source,
3399                              struct amdgpu_iv_entry *entry)
3400 {
3401         uint32_t disp_int, mask;
3402         unsigned hpd;
3403
3404         if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3405                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3406                 return 0;
3407         }
3408
3409         hpd = entry->src_data[0];
3410         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3411         mask = interrupt_status_offsets[hpd].hpd;
3412
3413         if (disp_int & mask) {
3414                 dce_v11_0_hpd_int_ack(adev, hpd);
3415                 schedule_work(&adev->hotplug_work);
3416                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3417         }
3418
3419         return 0;
3420 }
3421
3422 static int dce_v11_0_set_clockgating_state(void *handle,
3423                                           enum amd_clockgating_state state)
3424 {
3425         return 0;
3426 }
3427
3428 static int dce_v11_0_set_powergating_state(void *handle,
3429                                           enum amd_powergating_state state)
3430 {
3431         return 0;
3432 }
3433
3434 static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3435         .name = "dce_v11_0",
3436         .early_init = dce_v11_0_early_init,
3437         .late_init = NULL,
3438         .sw_init = dce_v11_0_sw_init,
3439         .sw_fini = dce_v11_0_sw_fini,
3440         .hw_init = dce_v11_0_hw_init,
3441         .hw_fini = dce_v11_0_hw_fini,
3442         .suspend = dce_v11_0_suspend,
3443         .resume = dce_v11_0_resume,
3444         .is_idle = dce_v11_0_is_idle,
3445         .wait_for_idle = dce_v11_0_wait_for_idle,
3446         .soft_reset = dce_v11_0_soft_reset,
3447         .set_clockgating_state = dce_v11_0_set_clockgating_state,
3448         .set_powergating_state = dce_v11_0_set_powergating_state,
3449 };
3450
3451 static void
3452 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3453                           struct drm_display_mode *mode,
3454                           struct drm_display_mode *adjusted_mode)
3455 {
3456         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3457
3458         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3459
3460         /* need to call this here rather than in prepare() since we need some crtc info */
3461         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3462
3463         /* set scaler clears this on some chips */
3464         dce_v11_0_set_interleave(encoder->crtc, mode);
3465
3466         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3467                 dce_v11_0_afmt_enable(encoder, true);
3468                 dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3469         }
3470 }
3471
3472 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3473 {
3474         struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3475         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3476         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3477
3478         if ((amdgpu_encoder->active_device &
3479              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3480             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3481              ENCODER_OBJECT_ID_NONE)) {
3482                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3483                 if (dig) {
3484                         dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3485                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3486                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3487                 }
3488         }
3489
3490         amdgpu_atombios_scratch_regs_lock(adev, true);
3491
3492         if (connector) {
3493                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3494
3495                 /* select the clock/data port if it uses a router */
3496                 if (amdgpu_connector->router.cd_valid)
3497                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3498
3499                 /* turn eDP panel on for mode set */
3500                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3501                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3502                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3503         }
3504
3505         /* this is needed for the pll/ss setup to work correctly in some cases */
3506         amdgpu_atombios_encoder_set_crtc_source(encoder);
3507         /* set up the FMT blocks */
3508         dce_v11_0_program_fmt(encoder);
3509 }
3510
3511 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3512 {
3513         struct drm_device *dev = encoder->dev;
3514         struct amdgpu_device *adev = drm_to_adev(dev);
3515
3516         /* need to call this here as we need the crtc set up */
3517         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3518         amdgpu_atombios_scratch_regs_lock(adev, false);
3519 }
3520
3521 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3522 {
3523         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3524         struct amdgpu_encoder_atom_dig *dig;
3525
3526         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3527
3528         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3529                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3530                         dce_v11_0_afmt_enable(encoder, false);
3531                 dig = amdgpu_encoder->enc_priv;
3532                 dig->dig_encoder = -1;
3533         }
3534         amdgpu_encoder->active_device = 0;
3535 }
3536
3537 /* these are handled by the primary encoders */
3538 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3539 {
3540
3541 }
3542
3543 static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3544 {
3545
3546 }
3547
3548 static void
3549 dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3550                       struct drm_display_mode *mode,
3551                       struct drm_display_mode *adjusted_mode)
3552 {
3553
3554 }
3555
3556 static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3557 {
3558
3559 }
3560
3561 static void
3562 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3563 {
3564
3565 }
3566
3567 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3568         .dpms = dce_v11_0_ext_dpms,
3569         .prepare = dce_v11_0_ext_prepare,
3570         .mode_set = dce_v11_0_ext_mode_set,
3571         .commit = dce_v11_0_ext_commit,
3572         .disable = dce_v11_0_ext_disable,
3573         /* no detect for TMDS/LVDS yet */
3574 };
3575
3576 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3577         .dpms = amdgpu_atombios_encoder_dpms,
3578         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3579         .prepare = dce_v11_0_encoder_prepare,
3580         .mode_set = dce_v11_0_encoder_mode_set,
3581         .commit = dce_v11_0_encoder_commit,
3582         .disable = dce_v11_0_encoder_disable,
3583         .detect = amdgpu_atombios_encoder_dig_detect,
3584 };
3585
3586 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3587         .dpms = amdgpu_atombios_encoder_dpms,
3588         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3589         .prepare = dce_v11_0_encoder_prepare,
3590         .mode_set = dce_v11_0_encoder_mode_set,
3591         .commit = dce_v11_0_encoder_commit,
3592         .detect = amdgpu_atombios_encoder_dac_detect,
3593 };
3594
3595 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3596 {
3597         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3598         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3599                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3600         kfree(amdgpu_encoder->enc_priv);
3601         drm_encoder_cleanup(encoder);
3602         kfree(amdgpu_encoder);
3603 }
3604
3605 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3606         .destroy = dce_v11_0_encoder_destroy,
3607 };
3608
3609 static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3610                                  uint32_t encoder_enum,
3611                                  uint32_t supported_device,
3612                                  u16 caps)
3613 {
3614         struct drm_device *dev = adev_to_drm(adev);
3615         struct drm_encoder *encoder;
3616         struct amdgpu_encoder *amdgpu_encoder;
3617
3618         /* see if we already added it */
3619         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3620                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3621                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3622                         amdgpu_encoder->devices |= supported_device;
3623                         return;
3624                 }
3625
3626         }
3627
3628         /* add a new one */
3629         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3630         if (!amdgpu_encoder)
3631                 return;
3632
3633         encoder = &amdgpu_encoder->base;
3634         switch (adev->mode_info.num_crtc) {
3635         case 1:
3636                 encoder->possible_crtcs = 0x1;
3637                 break;
3638         case 2:
3639         default:
3640                 encoder->possible_crtcs = 0x3;
3641                 break;
3642         case 3:
3643                 encoder->possible_crtcs = 0x7;
3644                 break;
3645         case 4:
3646                 encoder->possible_crtcs = 0xf;
3647                 break;
3648         case 5:
3649                 encoder->possible_crtcs = 0x1f;
3650                 break;
3651         case 6:
3652                 encoder->possible_crtcs = 0x3f;
3653                 break;
3654         }
3655
3656         amdgpu_encoder->enc_priv = NULL;
3657
3658         amdgpu_encoder->encoder_enum = encoder_enum;
3659         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3660         amdgpu_encoder->devices = supported_device;
3661         amdgpu_encoder->rmx_type = RMX_OFF;
3662         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3663         amdgpu_encoder->is_ext_encoder = false;
3664         amdgpu_encoder->caps = caps;
3665
3666         switch (amdgpu_encoder->encoder_id) {
3667         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3668         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3669                 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3670                                  DRM_MODE_ENCODER_DAC, NULL);
3671                 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3672                 break;
3673         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3674         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3675         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3676         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3677         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3678                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3679                         amdgpu_encoder->rmx_type = RMX_FULL;
3680                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3681                                          DRM_MODE_ENCODER_LVDS, NULL);
3682                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3683                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3684                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3685                                          DRM_MODE_ENCODER_DAC, NULL);
3686                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3687                 } else {
3688                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3689                                          DRM_MODE_ENCODER_TMDS, NULL);
3690                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3691                 }
3692                 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3693                 break;
3694         case ENCODER_OBJECT_ID_SI170B:
3695         case ENCODER_OBJECT_ID_CH7303:
3696         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3697         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3698         case ENCODER_OBJECT_ID_TITFP513:
3699         case ENCODER_OBJECT_ID_VT1623:
3700         case ENCODER_OBJECT_ID_HDMI_SI1930:
3701         case ENCODER_OBJECT_ID_TRAVIS:
3702         case ENCODER_OBJECT_ID_NUTMEG:
3703                 /* these are handled by the primary encoders */
3704                 amdgpu_encoder->is_ext_encoder = true;
3705                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3706                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3707                                          DRM_MODE_ENCODER_LVDS, NULL);
3708                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3709                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3710                                          DRM_MODE_ENCODER_DAC, NULL);
3711                 else
3712                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3713                                          DRM_MODE_ENCODER_TMDS, NULL);
3714                 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3715                 break;
3716         }
3717 }
3718
3719 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3720         .bandwidth_update = &dce_v11_0_bandwidth_update,
3721         .vblank_get_counter = &dce_v11_0_vblank_get_counter,
3722         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3723         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3724         .hpd_sense = &dce_v11_0_hpd_sense,
3725         .hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3726         .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3727         .page_flip = &dce_v11_0_page_flip,
3728         .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3729         .add_encoder = &dce_v11_0_encoder_add,
3730         .add_connector = &amdgpu_connector_add,
3731 };
3732
3733 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3734 {
3735         adev->mode_info.funcs = &dce_v11_0_display_funcs;
3736 }
3737
3738 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3739         .set = dce_v11_0_set_crtc_irq_state,
3740         .process = dce_v11_0_crtc_irq,
3741 };
3742
3743 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3744         .set = dce_v11_0_set_pageflip_irq_state,
3745         .process = dce_v11_0_pageflip_irq,
3746 };
3747
3748 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3749         .set = dce_v11_0_set_hpd_irq_state,
3750         .process = dce_v11_0_hpd_irq,
3751 };
3752
3753 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3754 {
3755         if (adev->mode_info.num_crtc > 0)
3756                 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3757         else
3758                 adev->crtc_irq.num_types = 0;
3759         adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3760
3761         adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3762         adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3763
3764         adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3765         adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3766 }
3767
3768 const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3769 {
3770         .type = AMD_IP_BLOCK_TYPE_DCE,
3771         .major = 11,
3772         .minor = 0,
3773         .rev = 0,
3774         .funcs = &dce_v11_0_ip_funcs,
3775 };
3776
3777 const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3778 {
3779         .type = AMD_IP_BLOCK_TYPE_DCE,
3780         .major = 11,
3781         .minor = 2,
3782         .rev = 0,
3783         .funcs = &dce_v11_0_ip_funcs,
3784 };