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_edid.h>
25#include <drm/drm_fourcc.h>
26#include <drm/drm_modeset_helper.h>
27#include <drm/drm_modeset_helper_vtables.h>
28#include <drm/drm_vblank.h>
29
30#include "amdgpu.h"
31#include "amdgpu_pm.h"
32#include "amdgpu_i2c.h"
33#include "vid.h"
34#include "atom.h"
35#include "amdgpu_atombios.h"
36#include "atombios_crtc.h"
37#include "atombios_encoders.h"
38#include "amdgpu_pll.h"
39#include "amdgpu_connectors.h"
40#include "amdgpu_display.h"
41#include "dce_v10_0.h"
42
43#include "dce/dce_10_0_d.h"
44#include "dce/dce_10_0_sh_mask.h"
45#include "dce/dce_10_0_enum.h"
46#include "oss/oss_3_0_d.h"
47#include "oss/oss_3_0_sh_mask.h"
48#include "gmc/gmc_8_1_d.h"
49#include "gmc/gmc_8_1_sh_mask.h"
50
51#include "ivsrcid/ivsrcid_vislands30.h"
52
53static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev);
54static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev);
55static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev, int hpd);
56
57static const u32 crtc_offsets[] = {
58	CRTC0_REGISTER_OFFSET,
59	CRTC1_REGISTER_OFFSET,
60	CRTC2_REGISTER_OFFSET,
61	CRTC3_REGISTER_OFFSET,
62	CRTC4_REGISTER_OFFSET,
63	CRTC5_REGISTER_OFFSET,
64	CRTC6_REGISTER_OFFSET
65};
66
67static const u32 hpd_offsets[] = {
68	HPD0_REGISTER_OFFSET,
69	HPD1_REGISTER_OFFSET,
70	HPD2_REGISTER_OFFSET,
71	HPD3_REGISTER_OFFSET,
72	HPD4_REGISTER_OFFSET,
73	HPD5_REGISTER_OFFSET
74};
75
76static const uint32_t dig_offsets[] = {
77	DIG0_REGISTER_OFFSET,
78	DIG1_REGISTER_OFFSET,
79	DIG2_REGISTER_OFFSET,
80	DIG3_REGISTER_OFFSET,
81	DIG4_REGISTER_OFFSET,
82	DIG5_REGISTER_OFFSET,
83	DIG6_REGISTER_OFFSET
84};
85
86static 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
124static const u32 golden_settings_tonga_a11[] = {
125	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
126	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
127	mmFBC_MISC, 0x1f311fff, 0x12300000,
128	mmHDMI_CONTROL, 0x31000111, 0x00000011,
129};
130
131static const u32 tonga_mgcg_cgcg_init[] = {
132	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
133	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
134};
135
136static const u32 golden_settings_fiji_a10[] = {
137	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
138	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
139	mmFBC_MISC, 0x1f311fff, 0x12300000,
140	mmHDMI_CONTROL, 0x31000111, 0x00000011,
141};
142
143static const u32 fiji_mgcg_cgcg_init[] = {
144	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
145	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
146};
147
148static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev)
149{
150	switch (adev->asic_type) {
151	case CHIP_FIJI:
152		amdgpu_device_program_register_sequence(adev,
153							fiji_mgcg_cgcg_init,
154							ARRAY_SIZE(fiji_mgcg_cgcg_init));
155		amdgpu_device_program_register_sequence(adev,
156							golden_settings_fiji_a10,
157							ARRAY_SIZE(golden_settings_fiji_a10));
158		break;
159	case CHIP_TONGA:
160		amdgpu_device_program_register_sequence(adev,
161							tonga_mgcg_cgcg_init,
162							ARRAY_SIZE(tonga_mgcg_cgcg_init));
163		amdgpu_device_program_register_sequence(adev,
164							golden_settings_tonga_a11,
165							ARRAY_SIZE(golden_settings_tonga_a11));
166		break;
167	default:
168		break;
169	}
170}
171
172static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev,
173				     u32 block_offset, u32 reg)
174{
175	unsigned long flags;
176	u32 r;
177
178	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
179	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
180	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
181	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
182
183	return r;
184}
185
186static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
187				      u32 block_offset, u32 reg, u32 v)
188{
189	unsigned long flags;
190
191	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
192	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
193	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
194	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
195}
196
197static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
198{
199	if (crtc >= adev->mode_info.num_crtc)
200		return 0;
201	else
202		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
203}
204
205static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev)
206{
207	unsigned i;
208
209	/* Enable pflip interrupts */
210	for (i = 0; i < adev->mode_info.num_crtc; i++)
211		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
212}
213
214static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
215{
216	unsigned i;
217
218	/* Disable pflip interrupts */
219	for (i = 0; i < adev->mode_info.num_crtc; i++)
220		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
221}
222
223/**
224 * dce_v10_0_page_flip - pageflip callback.
225 *
226 * @adev: amdgpu_device pointer
227 * @crtc_id: crtc to cleanup pageflip on
228 * @crtc_base: new address of the crtc (GPU MC address)
229 * @async: asynchronous flip
230 *
231 * Triggers the actual pageflip by updating the primary
232 * surface base address.
233 */
234static void dce_v10_0_page_flip(struct amdgpu_device *adev,
235				int crtc_id, u64 crtc_base, bool async)
236{
237	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
238	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
239	u32 tmp;
240
241	/* flip at hsync for async, default is vsync */
242	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
243	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
244			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0);
245	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
246	/* update pitch */
247	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
248	       fb->pitches[0] / fb->format->cpp[0]);
249	/* update the primary scanout address */
250	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
251	       upper_32_bits(crtc_base));
252	/* writing to the low address triggers the update */
253	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
254	       lower_32_bits(crtc_base));
255	/* post the write */
256	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
257}
258
259static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
260					u32 *vbl, u32 *position)
261{
262	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
263		return -EINVAL;
264
265	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
266	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
267
268	return 0;
269}
270
271/**
272 * dce_v10_0_hpd_sense - hpd sense callback.
273 *
274 * @adev: amdgpu_device pointer
275 * @hpd: hpd (hotplug detect) pin
276 *
277 * Checks if a digital monitor is connected (evergreen+).
278 * Returns true if connected, false if not connected.
279 */
280static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev,
281			       enum amdgpu_hpd_id hpd)
282{
283	bool connected = false;
284
285	if (hpd >= adev->mode_info.num_hpd)
286		return connected;
287
288	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
289	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
290		connected = true;
291
292	return connected;
293}
294
295/**
296 * dce_v10_0_hpd_set_polarity - hpd set polarity callback.
297 *
298 * @adev: amdgpu_device pointer
299 * @hpd: hpd (hotplug detect) pin
300 *
301 * Set the polarity of the hpd pin (evergreen+).
302 */
303static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev,
304				      enum amdgpu_hpd_id hpd)
305{
306	u32 tmp;
307	bool connected = dce_v10_0_hpd_sense(adev, hpd);
308
309	if (hpd >= adev->mode_info.num_hpd)
310		return;
311
312	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
313	if (connected)
314		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
315	else
316		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
317	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
318}
319
320/**
321 * dce_v10_0_hpd_init - hpd setup callback.
322 *
323 * @adev: amdgpu_device pointer
324 *
325 * Setup the hpd pins used by the card (evergreen+).
326 * Enable the pin, set the polarity, and enable the hpd interrupts.
327 */
328static void dce_v10_0_hpd_init(struct amdgpu_device *adev)
329{
330	struct drm_device *dev = adev_to_drm(adev);
331	struct drm_connector *connector;
332	struct drm_connector_list_iter iter;
333	u32 tmp;
334
335	drm_connector_list_iter_begin(dev, &iter);
336	drm_for_each_connector_iter(connector, &iter) {
337		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
338
339		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
340			continue;
341
342		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
343		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
344			/* don't try to enable hpd on eDP or LVDS avoid breaking the
345			 * aux dp channel on imac and help (but not completely fix)
346			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
347			 * also avoid interrupt storms during dpms.
348			 */
349			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
350			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
351			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
352			continue;
353		}
354
355		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
356		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
357		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
358
359		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
360		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
361				    DC_HPD_CONNECT_INT_DELAY,
362				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
363		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
364				    DC_HPD_DISCONNECT_INT_DELAY,
365				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
366		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
367
368		dce_v10_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
369		dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
370		amdgpu_irq_get(adev, &adev->hpd_irq,
371			       amdgpu_connector->hpd.hpd);
372	}
373	drm_connector_list_iter_end(&iter);
374}
375
376/**
377 * dce_v10_0_hpd_fini - hpd tear down callback.
378 *
379 * @adev: amdgpu_device pointer
380 *
381 * Tear down the hpd pins used by the card (evergreen+).
382 * Disable the hpd interrupts.
383 */
384static void dce_v10_0_hpd_fini(struct amdgpu_device *adev)
385{
386	struct drm_device *dev = adev_to_drm(adev);
387	struct drm_connector *connector;
388	struct drm_connector_list_iter iter;
389	u32 tmp;
390
391	drm_connector_list_iter_begin(dev, &iter);
392	drm_for_each_connector_iter(connector, &iter) {
393		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
394
395		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
396			continue;
397
398		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
399		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
400		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
401
402		amdgpu_irq_put(adev, &adev->hpd_irq,
403			       amdgpu_connector->hpd.hpd);
404	}
405	drm_connector_list_iter_end(&iter);
406}
407
408static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
409{
410	return mmDC_GPIO_HPD_A;
411}
412
413static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev)
414{
415	u32 crtc_hung = 0;
416	u32 crtc_status[6];
417	u32 i, j, tmp;
418
419	for (i = 0; i < adev->mode_info.num_crtc; i++) {
420		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
421		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
422			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
423			crtc_hung |= (1 << i);
424		}
425	}
426
427	for (j = 0; j < 10; j++) {
428		for (i = 0; i < adev->mode_info.num_crtc; i++) {
429			if (crtc_hung & (1 << i)) {
430				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
431				if (tmp != crtc_status[i])
432					crtc_hung &= ~(1 << i);
433			}
434		}
435		if (crtc_hung == 0)
436			return false;
437		udelay(100);
438	}
439
440	return true;
441}
442
443static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev,
444					   bool render)
445{
446	u32 tmp;
447
448	/* Lockout access through VGA aperture*/
449	tmp = RREG32(mmVGA_HDP_CONTROL);
450	if (render)
451		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
452	else
453		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
454	WREG32(mmVGA_HDP_CONTROL, tmp);
455
456	/* disable VGA render */
457	tmp = RREG32(mmVGA_RENDER_CONTROL);
458	if (render)
459		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
460	else
461		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
462	WREG32(mmVGA_RENDER_CONTROL, tmp);
463}
464
465static int dce_v10_0_get_num_crtc(struct amdgpu_device *adev)
466{
467	int num_crtc = 0;
468
469	switch (adev->asic_type) {
470	case CHIP_FIJI:
471	case CHIP_TONGA:
472		num_crtc = 6;
473		break;
474	default:
475		num_crtc = 0;
476	}
477	return num_crtc;
478}
479
480void dce_v10_0_disable_dce(struct amdgpu_device *adev)
481{
482	/*Disable VGA render and enabled crtc, if has DCE engine*/
483	if (amdgpu_atombios_has_dce_engine_info(adev)) {
484		u32 tmp;
485		int crtc_enabled, i;
486
487		dce_v10_0_set_vga_render_state(adev, false);
488
489		/*Disable crtc*/
490		for (i = 0; i < dce_v10_0_get_num_crtc(adev); i++) {
491			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
492									 CRTC_CONTROL, CRTC_MASTER_EN);
493			if (crtc_enabled) {
494				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
495				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
496				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
497				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
498				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
499			}
500		}
501	}
502}
503
504static void dce_v10_0_program_fmt(struct drm_encoder *encoder)
505{
506	struct drm_device *dev = encoder->dev;
507	struct amdgpu_device *adev = drm_to_adev(dev);
508	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
509	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
510	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
511	int bpc = 0;
512	u32 tmp = 0;
513	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
514
515	if (connector) {
516		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
517		bpc = amdgpu_connector_get_monitor_bpc(connector);
518		dither = amdgpu_connector->dither;
519	}
520
521	/* LVDS/eDP FMT is set up by atom */
522	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
523		return;
524
525	/* not needed for analog */
526	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
527	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
528		return;
529
530	if (bpc == 0)
531		return;
532
533	switch (bpc) {
534	case 6:
535		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
536			/* XXX sort out optimal dither settings */
537			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
538			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
539			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
540			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
541		} else {
542			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
543			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
544		}
545		break;
546	case 8:
547		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
548			/* XXX sort out optimal dither settings */
549			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
550			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
551			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
552			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
553			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
554		} else {
555			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
556			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
557		}
558		break;
559	case 10:
560		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
561			/* XXX sort out optimal dither settings */
562			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
563			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
564			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
565			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
566			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
567		} else {
568			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
569			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
570		}
571		break;
572	default:
573		/* not needed */
574		break;
575	}
576
577	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
578}
579
580
581/* display watermark setup */
582/**
583 * dce_v10_0_line_buffer_adjust - Set up the line buffer
584 *
585 * @adev: amdgpu_device pointer
586 * @amdgpu_crtc: the selected display controller
587 * @mode: the current display mode on the selected display
588 * controller
589 *
590 * Setup up the line buffer allocation for
591 * the selected display controller (CIK).
592 * Returns the line buffer size in pixels.
593 */
594static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev,
595				       struct amdgpu_crtc *amdgpu_crtc,
596				       struct drm_display_mode *mode)
597{
598	u32 tmp, buffer_alloc, i, mem_cfg;
599	u32 pipe_offset = amdgpu_crtc->crtc_id;
600	/*
601	 * Line Buffer Setup
602	 * There are 6 line buffers, one for each display controllers.
603	 * There are 3 partitions per LB. Select the number of partitions
604	 * to enable based on the display width.  For display widths larger
605	 * than 4096, you need use to use 2 display controllers and combine
606	 * them using the stereo blender.
607	 */
608	if (amdgpu_crtc->base.enabled && mode) {
609		if (mode->crtc_hdisplay < 1920) {
610			mem_cfg = 1;
611			buffer_alloc = 2;
612		} else if (mode->crtc_hdisplay < 2560) {
613			mem_cfg = 2;
614			buffer_alloc = 2;
615		} else if (mode->crtc_hdisplay < 4096) {
616			mem_cfg = 0;
617			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
618		} else {
619			DRM_DEBUG_KMS("Mode too big for LB!\n");
620			mem_cfg = 0;
621			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
622		}
623	} else {
624		mem_cfg = 1;
625		buffer_alloc = 0;
626	}
627
628	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
629	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
630	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
631
632	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
633	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
634	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
635
636	for (i = 0; i < adev->usec_timeout; i++) {
637		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
638		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
639			break;
640		udelay(1);
641	}
642
643	if (amdgpu_crtc->base.enabled && mode) {
644		switch (mem_cfg) {
645		case 0:
646		default:
647			return 4096 * 2;
648		case 1:
649			return 1920 * 2;
650		case 2:
651			return 2560 * 2;
652		}
653	}
654
655	/* controller not enabled, so no lb used */
656	return 0;
657}
658
659/**
660 * cik_get_number_of_dram_channels - get the number of dram channels
661 *
662 * @adev: amdgpu_device pointer
663 *
664 * Look up the number of video ram channels (CIK).
665 * Used for display watermark bandwidth calculations
666 * Returns the number of dram channels
667 */
668static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
669{
670	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
671
672	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
673	case 0:
674	default:
675		return 1;
676	case 1:
677		return 2;
678	case 2:
679		return 4;
680	case 3:
681		return 8;
682	case 4:
683		return 3;
684	case 5:
685		return 6;
686	case 6:
687		return 10;
688	case 7:
689		return 12;
690	case 8:
691		return 16;
692	}
693}
694
695struct dce10_wm_params {
696	u32 dram_channels; /* number of dram channels */
697	u32 yclk;          /* bandwidth per dram data pin in kHz */
698	u32 sclk;          /* engine clock in kHz */
699	u32 disp_clk;      /* display clock in kHz */
700	u32 src_width;     /* viewport width */
701	u32 active_time;   /* active display time in ns */
702	u32 blank_time;    /* blank time in ns */
703	bool interlaced;    /* mode is interlaced */
704	fixed20_12 vsc;    /* vertical scale ratio */
705	u32 num_heads;     /* number of active crtcs */
706	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
707	u32 lb_size;       /* line buffer allocated to pipe */
708	u32 vtaps;         /* vertical scaler taps */
709};
710
711/**
712 * dce_v10_0_dram_bandwidth - get the dram bandwidth
713 *
714 * @wm: watermark calculation data
715 *
716 * Calculate the raw dram bandwidth (CIK).
717 * Used for display watermark bandwidth calculations
718 * Returns the dram bandwidth in MBytes/s
719 */
720static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm)
721{
722	/* Calculate raw DRAM Bandwidth */
723	fixed20_12 dram_efficiency; /* 0.7 */
724	fixed20_12 yclk, dram_channels, bandwidth;
725	fixed20_12 a;
726
727	a.full = dfixed_const(1000);
728	yclk.full = dfixed_const(wm->yclk);
729	yclk.full = dfixed_div(yclk, a);
730	dram_channels.full = dfixed_const(wm->dram_channels * 4);
731	a.full = dfixed_const(10);
732	dram_efficiency.full = dfixed_const(7);
733	dram_efficiency.full = dfixed_div(dram_efficiency, a);
734	bandwidth.full = dfixed_mul(dram_channels, yclk);
735	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
736
737	return dfixed_trunc(bandwidth);
738}
739
740/**
741 * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display
742 *
743 * @wm: watermark calculation data
744 *
745 * Calculate the dram bandwidth used for display (CIK).
746 * Used for display watermark bandwidth calculations
747 * Returns the dram bandwidth for display in MBytes/s
748 */
749static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
750{
751	/* Calculate DRAM Bandwidth and the part allocated to display. */
752	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
753	fixed20_12 yclk, dram_channels, bandwidth;
754	fixed20_12 a;
755
756	a.full = dfixed_const(1000);
757	yclk.full = dfixed_const(wm->yclk);
758	yclk.full = dfixed_div(yclk, a);
759	dram_channels.full = dfixed_const(wm->dram_channels * 4);
760	a.full = dfixed_const(10);
761	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
762	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
763	bandwidth.full = dfixed_mul(dram_channels, yclk);
764	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
765
766	return dfixed_trunc(bandwidth);
767}
768
769/**
770 * dce_v10_0_data_return_bandwidth - get the data return bandwidth
771 *
772 * @wm: watermark calculation data
773 *
774 * Calculate the data return bandwidth used for display (CIK).
775 * Used for display watermark bandwidth calculations
776 * Returns the data return bandwidth in MBytes/s
777 */
778static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm)
779{
780	/* Calculate the display Data return Bandwidth */
781	fixed20_12 return_efficiency; /* 0.8 */
782	fixed20_12 sclk, bandwidth;
783	fixed20_12 a;
784
785	a.full = dfixed_const(1000);
786	sclk.full = dfixed_const(wm->sclk);
787	sclk.full = dfixed_div(sclk, a);
788	a.full = dfixed_const(10);
789	return_efficiency.full = dfixed_const(8);
790	return_efficiency.full = dfixed_div(return_efficiency, a);
791	a.full = dfixed_const(32);
792	bandwidth.full = dfixed_mul(a, sclk);
793	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
794
795	return dfixed_trunc(bandwidth);
796}
797
798/**
799 * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth
800 *
801 * @wm: watermark calculation data
802 *
803 * Calculate the dmif bandwidth used for display (CIK).
804 * Used for display watermark bandwidth calculations
805 * Returns the dmif bandwidth in MBytes/s
806 */
807static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
808{
809	/* Calculate the DMIF Request Bandwidth */
810	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
811	fixed20_12 disp_clk, bandwidth;
812	fixed20_12 a, b;
813
814	a.full = dfixed_const(1000);
815	disp_clk.full = dfixed_const(wm->disp_clk);
816	disp_clk.full = dfixed_div(disp_clk, a);
817	a.full = dfixed_const(32);
818	b.full = dfixed_mul(a, disp_clk);
819
820	a.full = dfixed_const(10);
821	disp_clk_request_efficiency.full = dfixed_const(8);
822	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
823
824	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
825
826	return dfixed_trunc(bandwidth);
827}
828
829/**
830 * dce_v10_0_available_bandwidth - get the min available bandwidth
831 *
832 * @wm: watermark calculation data
833 *
834 * Calculate the min available bandwidth used for display (CIK).
835 * Used for display watermark bandwidth calculations
836 * Returns the min available bandwidth in MBytes/s
837 */
838static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm)
839{
840	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
841	u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm);
842	u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm);
843	u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm);
844
845	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
846}
847
848/**
849 * dce_v10_0_average_bandwidth - get the average available bandwidth
850 *
851 * @wm: watermark calculation data
852 *
853 * Calculate the average available bandwidth used for display (CIK).
854 * Used for display watermark bandwidth calculations
855 * Returns the average available bandwidth in MBytes/s
856 */
857static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm)
858{
859	/* Calculate the display mode Average Bandwidth
860	 * DisplayMode should contain the source and destination dimensions,
861	 * timing, etc.
862	 */
863	fixed20_12 bpp;
864	fixed20_12 line_time;
865	fixed20_12 src_width;
866	fixed20_12 bandwidth;
867	fixed20_12 a;
868
869	a.full = dfixed_const(1000);
870	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
871	line_time.full = dfixed_div(line_time, a);
872	bpp.full = dfixed_const(wm->bytes_per_pixel);
873	src_width.full = dfixed_const(wm->src_width);
874	bandwidth.full = dfixed_mul(src_width, bpp);
875	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
876	bandwidth.full = dfixed_div(bandwidth, line_time);
877
878	return dfixed_trunc(bandwidth);
879}
880
881/**
882 * dce_v10_0_latency_watermark - get the latency watermark
883 *
884 * @wm: watermark calculation data
885 *
886 * Calculate the latency watermark (CIK).
887 * Used for display watermark bandwidth calculations
888 * Returns the latency watermark in ns
889 */
890static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm)
891{
892	/* First calculate the latency in ns */
893	u32 mc_latency = 2000; /* 2000 ns. */
894	u32 available_bandwidth = dce_v10_0_available_bandwidth(wm);
895	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
896	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
897	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
898	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
899		(wm->num_heads * cursor_line_pair_return_time);
900	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
901	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
902	u32 tmp, dmif_size = 12288;
903	fixed20_12 a, b, c;
904
905	if (wm->num_heads == 0)
906		return 0;
907
908	a.full = dfixed_const(2);
909	b.full = dfixed_const(1);
910	if ((wm->vsc.full > a.full) ||
911	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
912	    (wm->vtaps >= 5) ||
913	    ((wm->vsc.full >= a.full) && wm->interlaced))
914		max_src_lines_per_dst_line = 4;
915	else
916		max_src_lines_per_dst_line = 2;
917
918	a.full = dfixed_const(available_bandwidth);
919	b.full = dfixed_const(wm->num_heads);
920	a.full = dfixed_div(a, b);
921	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
922	tmp = min(dfixed_trunc(a), tmp);
923
924	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
925
926	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
927	b.full = dfixed_const(1000);
928	c.full = dfixed_const(lb_fill_bw);
929	b.full = dfixed_div(c, b);
930	a.full = dfixed_div(a, b);
931	line_fill_time = dfixed_trunc(a);
932
933	if (line_fill_time < wm->active_time)
934		return latency;
935	else
936		return latency + (line_fill_time - wm->active_time);
937
938}
939
940/**
941 * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check
942 * average and available dram bandwidth
943 *
944 * @wm: watermark calculation data
945 *
946 * Check if the display average bandwidth fits in the display
947 * dram bandwidth (CIK).
948 * Used for display watermark bandwidth calculations
949 * Returns true if the display fits, false if not.
950 */
951static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
952{
953	if (dce_v10_0_average_bandwidth(wm) <=
954	    (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads))
955		return true;
956	else
957		return false;
958}
959
960/**
961 * dce_v10_0_average_bandwidth_vs_available_bandwidth - check
962 * average and available bandwidth
963 *
964 * @wm: watermark calculation data
965 *
966 * Check if the display average bandwidth fits in the display
967 * available bandwidth (CIK).
968 * Used for display watermark bandwidth calculations
969 * Returns true if the display fits, false if not.
970 */
971static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
972{
973	if (dce_v10_0_average_bandwidth(wm) <=
974	    (dce_v10_0_available_bandwidth(wm) / wm->num_heads))
975		return true;
976	else
977		return false;
978}
979
980/**
981 * dce_v10_0_check_latency_hiding - check latency hiding
982 *
983 * @wm: watermark calculation data
984 *
985 * Check latency hiding (CIK).
986 * Used for display watermark bandwidth calculations
987 * Returns true if the display fits, false if not.
988 */
989static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm)
990{
991	u32 lb_partitions = wm->lb_size / wm->src_width;
992	u32 line_time = wm->active_time + wm->blank_time;
993	u32 latency_tolerant_lines;
994	u32 latency_hiding;
995	fixed20_12 a;
996
997	a.full = dfixed_const(1);
998	if (wm->vsc.full > a.full)
999		latency_tolerant_lines = 1;
1000	else {
1001		if (lb_partitions <= (wm->vtaps + 1))
1002			latency_tolerant_lines = 1;
1003		else
1004			latency_tolerant_lines = 2;
1005	}
1006
1007	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1008
1009	if (dce_v10_0_latency_watermark(wm) <= latency_hiding)
1010		return true;
1011	else
1012		return false;
1013}
1014
1015/**
1016 * dce_v10_0_program_watermarks - program display watermarks
1017 *
1018 * @adev: amdgpu_device pointer
1019 * @amdgpu_crtc: the selected display controller
1020 * @lb_size: line buffer size
1021 * @num_heads: number of display controllers in use
1022 *
1023 * Calculate and program the display watermarks for the
1024 * selected display controller (CIK).
1025 */
1026static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
1027					struct amdgpu_crtc *amdgpu_crtc,
1028					u32 lb_size, u32 num_heads)
1029{
1030	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1031	struct dce10_wm_params wm_low, wm_high;
1032	u32 active_time;
1033	u32 line_time = 0;
1034	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1035	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1036
1037	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1038		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1039					    (u32)mode->clock);
1040		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1041					  (u32)mode->clock);
1042		line_time = min_t(u32, line_time, 65535);
1043
1044		/* watermark for high clocks */
1045		if (adev->pm.dpm_enabled) {
1046			wm_high.yclk =
1047				amdgpu_dpm_get_mclk(adev, false) * 10;
1048			wm_high.sclk =
1049				amdgpu_dpm_get_sclk(adev, false) * 10;
1050		} else {
1051			wm_high.yclk = adev->pm.current_mclk * 10;
1052			wm_high.sclk = adev->pm.current_sclk * 10;
1053		}
1054
1055		wm_high.disp_clk = mode->clock;
1056		wm_high.src_width = mode->crtc_hdisplay;
1057		wm_high.active_time = active_time;
1058		wm_high.blank_time = line_time - wm_high.active_time;
1059		wm_high.interlaced = false;
1060		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1061			wm_high.interlaced = true;
1062		wm_high.vsc = amdgpu_crtc->vsc;
1063		wm_high.vtaps = 1;
1064		if (amdgpu_crtc->rmx_type != RMX_OFF)
1065			wm_high.vtaps = 2;
1066		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1067		wm_high.lb_size = lb_size;
1068		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1069		wm_high.num_heads = num_heads;
1070
1071		/* set for high clocks */
1072		latency_watermark_a = min_t(u32, dce_v10_0_latency_watermark(&wm_high), 65535);
1073
1074		/* possibly force display priority to high */
1075		/* should really do this at mode validation time... */
1076		if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1077		    !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1078		    !dce_v10_0_check_latency_hiding(&wm_high) ||
1079		    (adev->mode_info.disp_priority == 2)) {
1080			DRM_DEBUG_KMS("force priority to high\n");
1081		}
1082
1083		/* watermark for low clocks */
1084		if (adev->pm.dpm_enabled) {
1085			wm_low.yclk =
1086				amdgpu_dpm_get_mclk(adev, true) * 10;
1087			wm_low.sclk =
1088				amdgpu_dpm_get_sclk(adev, true) * 10;
1089		} else {
1090			wm_low.yclk = adev->pm.current_mclk * 10;
1091			wm_low.sclk = adev->pm.current_sclk * 10;
1092		}
1093
1094		wm_low.disp_clk = mode->clock;
1095		wm_low.src_width = mode->crtc_hdisplay;
1096		wm_low.active_time = active_time;
1097		wm_low.blank_time = line_time - wm_low.active_time;
1098		wm_low.interlaced = false;
1099		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1100			wm_low.interlaced = true;
1101		wm_low.vsc = amdgpu_crtc->vsc;
1102		wm_low.vtaps = 1;
1103		if (amdgpu_crtc->rmx_type != RMX_OFF)
1104			wm_low.vtaps = 2;
1105		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1106		wm_low.lb_size = lb_size;
1107		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1108		wm_low.num_heads = num_heads;
1109
1110		/* set for low clocks */
1111		latency_watermark_b = min_t(u32, dce_v10_0_latency_watermark(&wm_low), 65535);
1112
1113		/* possibly force display priority to high */
1114		/* should really do this at mode validation time... */
1115		if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1116		    !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1117		    !dce_v10_0_check_latency_hiding(&wm_low) ||
1118		    (adev->mode_info.disp_priority == 2)) {
1119			DRM_DEBUG_KMS("force priority to high\n");
1120		}
1121		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1122	}
1123
1124	/* select wm A */
1125	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1126	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1127	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1128	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1129	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1130	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1131	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1132	/* select wm B */
1133	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1134	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1135	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1136	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1137	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1138	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1139	/* restore original selection */
1140	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1141
1142	/* save values for DPM */
1143	amdgpu_crtc->line_time = line_time;
1144	amdgpu_crtc->wm_high = latency_watermark_a;
1145	amdgpu_crtc->wm_low = latency_watermark_b;
1146	/* Save number of lines the linebuffer leads before the scanout */
1147	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1148}
1149
1150/**
1151 * dce_v10_0_bandwidth_update - program display watermarks
1152 *
1153 * @adev: amdgpu_device pointer
1154 *
1155 * Calculate and program the display watermarks and line
1156 * buffer allocation (CIK).
1157 */
1158static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev)
1159{
1160	struct drm_display_mode *mode = NULL;
1161	u32 num_heads = 0, lb_size;
1162	int i;
1163
1164	amdgpu_display_update_priority(adev);
1165
1166	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1167		if (adev->mode_info.crtcs[i]->base.enabled)
1168			num_heads++;
1169	}
1170	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1171		mode = &adev->mode_info.crtcs[i]->base.mode;
1172		lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1173		dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1174					    lb_size, num_heads);
1175	}
1176}
1177
1178static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev)
1179{
1180	int i;
1181	u32 offset, tmp;
1182
1183	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1184		offset = adev->mode_info.audio.pin[i].offset;
1185		tmp = RREG32_AUDIO_ENDPT(offset,
1186					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1187		if (((tmp &
1188		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1189		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1190			adev->mode_info.audio.pin[i].connected = false;
1191		else
1192			adev->mode_info.audio.pin[i].connected = true;
1193	}
1194}
1195
1196static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev)
1197{
1198	int i;
1199
1200	dce_v10_0_audio_get_connected_pins(adev);
1201
1202	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1203		if (adev->mode_info.audio.pin[i].connected)
1204			return &adev->mode_info.audio.pin[i];
1205	}
1206	DRM_ERROR("No connected audio pins found!\n");
1207	return NULL;
1208}
1209
1210static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1211{
1212	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1213	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1214	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1215	u32 tmp;
1216
1217	if (!dig || !dig->afmt || !dig->afmt->pin)
1218		return;
1219
1220	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1221	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1222	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1223}
1224
1225static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder,
1226						struct drm_display_mode *mode)
1227{
1228	struct drm_device *dev = encoder->dev;
1229	struct amdgpu_device *adev = drm_to_adev(dev);
1230	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1231	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1232	struct drm_connector *connector;
1233	struct drm_connector_list_iter iter;
1234	struct amdgpu_connector *amdgpu_connector = NULL;
1235	u32 tmp;
1236	int interlace = 0;
1237
1238	if (!dig || !dig->afmt || !dig->afmt->pin)
1239		return;
1240
1241	drm_connector_list_iter_begin(dev, &iter);
1242	drm_for_each_connector_iter(connector, &iter) {
1243		if (connector->encoder == encoder) {
1244			amdgpu_connector = to_amdgpu_connector(connector);
1245			break;
1246		}
1247	}
1248	drm_connector_list_iter_end(&iter);
1249
1250	if (!amdgpu_connector) {
1251		DRM_ERROR("Couldn't find encoder's connector\n");
1252		return;
1253	}
1254
1255	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1256		interlace = 1;
1257	if (connector->latency_present[interlace]) {
1258		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1259				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1260		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1261				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1262	} else {
1263		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1264				    VIDEO_LIPSYNC, 0);
1265		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1266				    AUDIO_LIPSYNC, 0);
1267	}
1268	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1269			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1270}
1271
1272static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1273{
1274	struct drm_device *dev = encoder->dev;
1275	struct amdgpu_device *adev = drm_to_adev(dev);
1276	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1277	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1278	struct drm_connector *connector;
1279	struct drm_connector_list_iter iter;
1280	struct amdgpu_connector *amdgpu_connector = NULL;
1281	u32 tmp;
1282	u8 *sadb = NULL;
1283	int sad_count;
1284
1285	if (!dig || !dig->afmt || !dig->afmt->pin)
1286		return;
1287
1288	drm_connector_list_iter_begin(dev, &iter);
1289	drm_for_each_connector_iter(connector, &iter) {
1290		if (connector->encoder == encoder) {
1291			amdgpu_connector = to_amdgpu_connector(connector);
1292			break;
1293		}
1294	}
1295	drm_connector_list_iter_end(&iter);
1296
1297	if (!amdgpu_connector) {
1298		DRM_ERROR("Couldn't find encoder's connector\n");
1299		return;
1300	}
1301
1302	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1303	if (sad_count < 0) {
1304		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1305		sad_count = 0;
1306	}
1307
1308	/* program the speaker allocation */
1309	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1310				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1311	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1312			    DP_CONNECTION, 0);
1313	/* set HDMI mode */
1314	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1315			    HDMI_CONNECTION, 1);
1316	if (sad_count)
1317		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1318				    SPEAKER_ALLOCATION, sadb[0]);
1319	else
1320		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1321				    SPEAKER_ALLOCATION, 5); /* stereo */
1322	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1323			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1324
1325	kfree(sadb);
1326}
1327
1328static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder)
1329{
1330	struct drm_device *dev = encoder->dev;
1331	struct amdgpu_device *adev = drm_to_adev(dev);
1332	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1333	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1334	struct drm_connector *connector;
1335	struct drm_connector_list_iter iter;
1336	struct amdgpu_connector *amdgpu_connector = NULL;
1337	struct cea_sad *sads;
1338	int i, sad_count;
1339
1340	static const u16 eld_reg_to_type[][2] = {
1341		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1342		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1343		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1344		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1345		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1346		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1347		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1348		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1349		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1350		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1351		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1352		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1353	};
1354
1355	if (!dig || !dig->afmt || !dig->afmt->pin)
1356		return;
1357
1358	drm_connector_list_iter_begin(dev, &iter);
1359	drm_for_each_connector_iter(connector, &iter) {
1360		if (connector->encoder == encoder) {
1361			amdgpu_connector = to_amdgpu_connector(connector);
1362			break;
1363		}
1364	}
1365	drm_connector_list_iter_end(&iter);
1366
1367	if (!amdgpu_connector) {
1368		DRM_ERROR("Couldn't find encoder's connector\n");
1369		return;
1370	}
1371
1372	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1373	if (sad_count < 0)
1374		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1375	if (sad_count <= 0)
1376		return;
1377	BUG_ON(!sads);
1378
1379	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1380		u32 tmp = 0;
1381		u8 stereo_freqs = 0;
1382		int max_channels = -1;
1383		int j;
1384
1385		for (j = 0; j < sad_count; j++) {
1386			struct cea_sad *sad = &sads[j];
1387
1388			if (sad->format == eld_reg_to_type[i][1]) {
1389				if (sad->channels > max_channels) {
1390					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1391							    MAX_CHANNELS, sad->channels);
1392					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1393							    DESCRIPTOR_BYTE_2, sad->byte2);
1394					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1395							    SUPPORTED_FREQUENCIES, sad->freq);
1396					max_channels = sad->channels;
1397				}
1398
1399				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1400					stereo_freqs |= sad->freq;
1401				else
1402					break;
1403			}
1404		}
1405
1406		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1407				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1408		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1409	}
1410
1411	kfree(sads);
1412}
1413
1414static void dce_v10_0_audio_enable(struct amdgpu_device *adev,
1415				  struct amdgpu_audio_pin *pin,
1416				  bool enable)
1417{
1418	if (!pin)
1419		return;
1420
1421	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1422			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1423}
1424
1425static const u32 pin_offsets[] = {
1426	AUD0_REGISTER_OFFSET,
1427	AUD1_REGISTER_OFFSET,
1428	AUD2_REGISTER_OFFSET,
1429	AUD3_REGISTER_OFFSET,
1430	AUD4_REGISTER_OFFSET,
1431	AUD5_REGISTER_OFFSET,
1432	AUD6_REGISTER_OFFSET,
1433};
1434
1435static int dce_v10_0_audio_init(struct amdgpu_device *adev)
1436{
1437	int i;
1438
1439	if (!amdgpu_audio)
1440		return 0;
1441
1442	adev->mode_info.audio.enabled = true;
1443
1444	adev->mode_info.audio.num_pins = 7;
1445
1446	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1447		adev->mode_info.audio.pin[i].channels = -1;
1448		adev->mode_info.audio.pin[i].rate = -1;
1449		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1450		adev->mode_info.audio.pin[i].status_bits = 0;
1451		adev->mode_info.audio.pin[i].category_code = 0;
1452		adev->mode_info.audio.pin[i].connected = false;
1453		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1454		adev->mode_info.audio.pin[i].id = i;
1455		/* disable audio.  it will be set up later */
1456		/* XXX remove once we switch to ip funcs */
1457		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1458	}
1459
1460	return 0;
1461}
1462
1463static void dce_v10_0_audio_fini(struct amdgpu_device *adev)
1464{
1465	int i;
1466
1467	if (!amdgpu_audio)
1468		return;
1469
1470	if (!adev->mode_info.audio.enabled)
1471		return;
1472
1473	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1474		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1475
1476	adev->mode_info.audio.enabled = false;
1477}
1478
1479/*
1480 * update the N and CTS parameters for a given pixel clock rate
1481 */
1482static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1483{
1484	struct drm_device *dev = encoder->dev;
1485	struct amdgpu_device *adev = drm_to_adev(dev);
1486	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1487	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1488	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1489	u32 tmp;
1490
1491	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1492	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1493	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1494	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1495	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1496	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1497
1498	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1499	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1500	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1501	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1502	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1503	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1504
1505	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1506	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1507	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1508	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1509	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1510	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1511
1512}
1513
1514/*
1515 * build a HDMI Video Info Frame
1516 */
1517static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1518					       void *buffer, size_t size)
1519{
1520	struct drm_device *dev = encoder->dev;
1521	struct amdgpu_device *adev = drm_to_adev(dev);
1522	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1523	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1524	uint8_t *frame = buffer + 3;
1525	uint8_t *header = buffer;
1526
1527	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1528		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1529	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1530		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1531	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1532		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1533	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1534		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1535}
1536
1537static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1538{
1539	struct drm_device *dev = encoder->dev;
1540	struct amdgpu_device *adev = drm_to_adev(dev);
1541	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1542	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1543	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1544	u32 dto_phase = 24 * 1000;
1545	u32 dto_modulo = clock;
1546	u32 tmp;
1547
1548	if (!dig || !dig->afmt)
1549		return;
1550
1551	/* XXX two dtos; generally use dto0 for hdmi */
1552	/* Express [24MHz / target pixel clock] as an exact rational
1553	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1554	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1555	 */
1556	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1557	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1558			    amdgpu_crtc->crtc_id);
1559	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1560	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1561	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1562}
1563
1564/*
1565 * update the info frames with the data from the current display mode
1566 */
1567static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder,
1568				  struct drm_display_mode *mode)
1569{
1570	struct drm_device *dev = encoder->dev;
1571	struct amdgpu_device *adev = drm_to_adev(dev);
1572	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1573	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1574	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1575	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1576	struct hdmi_avi_infoframe frame;
1577	ssize_t err;
1578	u32 tmp;
1579	int bpc = 8;
1580
1581	if (!dig || !dig->afmt)
1582		return;
1583
1584	/* Silent, r600_hdmi_enable will raise WARN for us */
1585	if (!dig->afmt->enabled)
1586		return;
1587
1588	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1589	if (encoder->crtc) {
1590		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1591		bpc = amdgpu_crtc->bpc;
1592	}
1593
1594	/* disable audio prior to setting up hw */
1595	dig->afmt->pin = dce_v10_0_audio_get_pin(adev);
1596	dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1597
1598	dce_v10_0_audio_set_dto(encoder, mode->clock);
1599
1600	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1601	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1602	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1603
1604	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1605
1606	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1607	switch (bpc) {
1608	case 0:
1609	case 6:
1610	case 8:
1611	case 16:
1612	default:
1613		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1614		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1615		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1616			  connector->name, bpc);
1617		break;
1618	case 10:
1619		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1620		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1621		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1622			  connector->name);
1623		break;
1624	case 12:
1625		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1626		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1627		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1628			  connector->name);
1629		break;
1630	}
1631	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1632
1633	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1634	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1635	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1636	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1637	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1638
1639	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1640	/* enable audio info frames (frames won't be set until audio is enabled) */
1641	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1642	/* required for audio info values to be updated */
1643	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1644	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1645
1646	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1647	/* required for audio info values to be updated */
1648	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1649	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1650
1651	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1652	/* anything other than 0 */
1653	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1654	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1655
1656	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1657
1658	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1659	/* set the default audio delay */
1660	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1661	/* should be suffient for all audio modes and small enough for all hblanks */
1662	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1663	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1664
1665	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1666	/* allow 60958 channel status fields to be updated */
1667	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1668	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1669
1670	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1671	if (bpc > 8)
1672		/* clear SW CTS value */
1673		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1674	else
1675		/* select SW CTS value */
1676		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1677	/* allow hw to sent ACR packets when required */
1678	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1679	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1680
1681	dce_v10_0_afmt_update_ACR(encoder, mode->clock);
1682
1683	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1684	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1685	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1686
1687	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1688	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1689	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1690
1691	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1692	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1693	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1694	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1695	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1696	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1697	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1698	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1699
1700	dce_v10_0_audio_write_speaker_allocation(encoder);
1701
1702	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1703	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1704
1705	dce_v10_0_afmt_audio_select_pin(encoder);
1706	dce_v10_0_audio_write_sad_regs(encoder);
1707	dce_v10_0_audio_write_latency_fields(encoder, mode);
1708
1709	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1710	if (err < 0) {
1711		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1712		return;
1713	}
1714
1715	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1716	if (err < 0) {
1717		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1718		return;
1719	}
1720
1721	dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1722
1723	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1724	/* enable AVI info frames */
1725	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1726	/* required for audio info values to be updated */
1727	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1728	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1729
1730	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1731	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1732	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1733
1734	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1735	/* send audio packets */
1736	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1737	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1738
1739	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1740	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1741	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1742	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1743
1744	/* enable audio after to setting up hw */
1745	dce_v10_0_audio_enable(adev, dig->afmt->pin, true);
1746}
1747
1748static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1749{
1750	struct drm_device *dev = encoder->dev;
1751	struct amdgpu_device *adev = drm_to_adev(dev);
1752	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1753	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1754
1755	if (!dig || !dig->afmt)
1756		return;
1757
1758	/* Silent, r600_hdmi_enable will raise WARN for us */
1759	if (enable && dig->afmt->enabled)
1760		return;
1761	if (!enable && !dig->afmt->enabled)
1762		return;
1763
1764	if (!enable && dig->afmt->pin) {
1765		dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1766		dig->afmt->pin = NULL;
1767	}
1768
1769	dig->afmt->enabled = enable;
1770
1771	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1772		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1773}
1774
1775static int dce_v10_0_afmt_init(struct amdgpu_device *adev)
1776{
1777	int i;
1778
1779	for (i = 0; i < adev->mode_info.num_dig; i++)
1780		adev->mode_info.afmt[i] = NULL;
1781
1782	/* DCE10 has audio blocks tied to DIG encoders */
1783	for (i = 0; i < adev->mode_info.num_dig; i++) {
1784		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1785		if (adev->mode_info.afmt[i]) {
1786			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1787			adev->mode_info.afmt[i]->id = i;
1788		} else {
1789			int j;
1790			for (j = 0; j < i; j++) {
1791				kfree(adev->mode_info.afmt[j]);
1792				adev->mode_info.afmt[j] = NULL;
1793			}
1794			return -ENOMEM;
1795		}
1796	}
1797	return 0;
1798}
1799
1800static void dce_v10_0_afmt_fini(struct amdgpu_device *adev)
1801{
1802	int i;
1803
1804	for (i = 0; i < adev->mode_info.num_dig; i++) {
1805		kfree(adev->mode_info.afmt[i]);
1806		adev->mode_info.afmt[i] = NULL;
1807	}
1808}
1809
1810static const u32 vga_control_regs[6] = {
1811	mmD1VGA_CONTROL,
1812	mmD2VGA_CONTROL,
1813	mmD3VGA_CONTROL,
1814	mmD4VGA_CONTROL,
1815	mmD5VGA_CONTROL,
1816	mmD6VGA_CONTROL,
1817};
1818
1819static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable)
1820{
1821	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1822	struct drm_device *dev = crtc->dev;
1823	struct amdgpu_device *adev = drm_to_adev(dev);
1824	u32 vga_control;
1825
1826	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1827	if (enable)
1828		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1829	else
1830		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1831}
1832
1833static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable)
1834{
1835	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1836	struct drm_device *dev = crtc->dev;
1837	struct amdgpu_device *adev = drm_to_adev(dev);
1838
1839	if (enable)
1840		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1841	else
1842		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1843}
1844
1845static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc,
1846				     struct drm_framebuffer *fb,
1847				     int x, int y, int atomic)
1848{
1849	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1850	struct drm_device *dev = crtc->dev;
1851	struct amdgpu_device *adev = drm_to_adev(dev);
1852	struct drm_framebuffer *target_fb;
1853	struct drm_gem_object *obj;
1854	struct amdgpu_bo *abo;
1855	uint64_t fb_location, tiling_flags;
1856	uint32_t fb_format, fb_pitch_pixels;
1857	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1858	u32 pipe_config;
1859	u32 tmp, viewport_w, viewport_h;
1860	int r;
1861	bool bypass_lut = false;
1862
1863	/* no fb bound */
1864	if (!atomic && !crtc->primary->fb) {
1865		DRM_DEBUG_KMS("No FB bound\n");
1866		return 0;
1867	}
1868
1869	if (atomic)
1870		target_fb = fb;
1871	else
1872		target_fb = crtc->primary->fb;
1873
1874	/* If atomic, assume fb object is pinned & idle & fenced and
1875	 * just update base pointers
1876	 */
1877	obj = target_fb->obj[0];
1878	abo = gem_to_amdgpu_bo(obj);
1879	r = amdgpu_bo_reserve(abo, false);
1880	if (unlikely(r != 0))
1881		return r;
1882
1883	if (!atomic) {
1884		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1885		if (unlikely(r != 0)) {
1886			amdgpu_bo_unreserve(abo);
1887			return -EINVAL;
1888		}
1889	}
1890	fb_location = amdgpu_bo_gpu_offset(abo);
1891
1892	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1893	amdgpu_bo_unreserve(abo);
1894
1895	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1896
1897	switch (target_fb->format->format) {
1898	case DRM_FORMAT_C8:
1899		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1900		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1901		break;
1902	case DRM_FORMAT_XRGB4444:
1903	case DRM_FORMAT_ARGB4444:
1904		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1905		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1906#ifdef __BIG_ENDIAN
1907		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1908					ENDIAN_8IN16);
1909#endif
1910		break;
1911	case DRM_FORMAT_XRGB1555:
1912	case DRM_FORMAT_ARGB1555:
1913		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1914		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1915#ifdef __BIG_ENDIAN
1916		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1917					ENDIAN_8IN16);
1918#endif
1919		break;
1920	case DRM_FORMAT_BGRX5551:
1921	case DRM_FORMAT_BGRA5551:
1922		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1923		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1924#ifdef __BIG_ENDIAN
1925		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1926					ENDIAN_8IN16);
1927#endif
1928		break;
1929	case DRM_FORMAT_RGB565:
1930		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1931		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1932#ifdef __BIG_ENDIAN
1933		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1934					ENDIAN_8IN16);
1935#endif
1936		break;
1937	case DRM_FORMAT_XRGB8888:
1938	case DRM_FORMAT_ARGB8888:
1939		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1940		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1941#ifdef __BIG_ENDIAN
1942		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1943					ENDIAN_8IN32);
1944#endif
1945		break;
1946	case DRM_FORMAT_XRGB2101010:
1947	case DRM_FORMAT_ARGB2101010:
1948		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1949		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1950#ifdef __BIG_ENDIAN
1951		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1952					ENDIAN_8IN32);
1953#endif
1954		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1955		bypass_lut = true;
1956		break;
1957	case DRM_FORMAT_BGRX1010102:
1958	case DRM_FORMAT_BGRA1010102:
1959		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1960		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
1961#ifdef __BIG_ENDIAN
1962		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1963					ENDIAN_8IN32);
1964#endif
1965		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1966		bypass_lut = true;
1967		break;
1968	case DRM_FORMAT_XBGR8888:
1969	case DRM_FORMAT_ABGR8888:
1970		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1971		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1972		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
1973		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
1974#ifdef __BIG_ENDIAN
1975		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1976					ENDIAN_8IN32);
1977#endif
1978		break;
1979	default:
1980		DRM_ERROR("Unsupported screen format %p4cc\n",
1981			  &target_fb->format->format);
1982		return -EINVAL;
1983	}
1984
1985	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1986		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1987
1988		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1989		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1990		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1991		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1992		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1993
1994		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
1995		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
1996					  ARRAY_2D_TILED_THIN1);
1997		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
1998					  tile_split);
1999		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2000		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2001		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2002					  mtaspect);
2003		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2004					  ADDR_SURF_MICRO_TILING_DISPLAY);
2005	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2006		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2007					  ARRAY_1D_TILED_THIN1);
2008	}
2009
2010	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2011				  pipe_config);
2012
2013	dce_v10_0_vga_enable(crtc, false);
2014
2015	/* Make sure surface address is updated at vertical blank rather than
2016	 * horizontal blank
2017	 */
2018	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2019	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2020			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2021	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2022
2023	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2024	       upper_32_bits(fb_location));
2025	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2026	       upper_32_bits(fb_location));
2027	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2028	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2029	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2030	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2031	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2032	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2033
2034	/*
2035	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2036	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2037	 * retain the full precision throughout the pipeline.
2038	 */
2039	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2040	if (bypass_lut)
2041		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2042	else
2043		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2044	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2045
2046	if (bypass_lut)
2047		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2048
2049	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2050	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2051	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2052	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2053	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2054	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2055
2056	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2057	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2058
2059	dce_v10_0_grph_enable(crtc, true);
2060
2061	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2062	       target_fb->height);
2063
2064	x &= ~3;
2065	y &= ~1;
2066	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2067	       (x << 16) | y);
2068	viewport_w = crtc->mode.hdisplay;
2069	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2070	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2071	       (viewport_w << 16) | viewport_h);
2072
2073	/* set pageflip to happen anywhere in vblank interval */
2074	WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2075
2076	if (!atomic && fb && fb != crtc->primary->fb) {
2077		abo = gem_to_amdgpu_bo(fb->obj[0]);
2078		r = amdgpu_bo_reserve(abo, true);
2079		if (unlikely(r != 0))
2080			return r;
2081		amdgpu_bo_unpin(abo);
2082		amdgpu_bo_unreserve(abo);
2083	}
2084
2085	/* Bytes per pixel may have changed */
2086	dce_v10_0_bandwidth_update(adev);
2087
2088	return 0;
2089}
2090
2091static void dce_v10_0_set_interleave(struct drm_crtc *crtc,
2092				     struct drm_display_mode *mode)
2093{
2094	struct drm_device *dev = crtc->dev;
2095	struct amdgpu_device *adev = drm_to_adev(dev);
2096	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2097	u32 tmp;
2098
2099	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2100	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2101		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2102	else
2103		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2104	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2105}
2106
2107static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
2108{
2109	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2110	struct drm_device *dev = crtc->dev;
2111	struct amdgpu_device *adev = drm_to_adev(dev);
2112	u16 *r, *g, *b;
2113	int i;
2114	u32 tmp;
2115
2116	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2117
2118	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2119	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2120	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0);
2121	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2122
2123	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2124	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2125	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2126
2127	tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset);
2128	tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1);
2129	WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2130
2131	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2132	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2133	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0);
2134	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2135
2136	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2137
2138	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2139	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2140	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2141
2142	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2143	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2144	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2145
2146	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2147	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2148
2149	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2150	r = crtc->gamma_store;
2151	g = r + crtc->gamma_size;
2152	b = g + crtc->gamma_size;
2153	for (i = 0; i < 256; i++) {
2154		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2155		       ((*r++ & 0xffc0) << 14) |
2156		       ((*g++ & 0xffc0) << 4) |
2157		       (*b++ >> 6));
2158	}
2159
2160	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2161	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2162	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0);
2163	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2164	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2165
2166	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2167	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2168	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0);
2169	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2170
2171	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2172	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2173	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0);
2174	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2175
2176	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2177	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2178	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0);
2179	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2180
2181	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2182	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2183	/* XXX this only needs to be programmed once per crtc at startup,
2184	 * not sure where the best place for it is
2185	 */
2186	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2187	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2188	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2189}
2190
2191static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder)
2192{
2193	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2194	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2195
2196	switch (amdgpu_encoder->encoder_id) {
2197	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2198		if (dig->linkb)
2199			return 1;
2200		else
2201			return 0;
2202	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2203		if (dig->linkb)
2204			return 3;
2205		else
2206			return 2;
2207	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2208		if (dig->linkb)
2209			return 5;
2210		else
2211			return 4;
2212	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2213		return 6;
2214	default:
2215		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2216		return 0;
2217	}
2218}
2219
2220/**
2221 * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc.
2222 *
2223 * @crtc: drm crtc
2224 *
2225 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2226 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2227 * monitors a dedicated PPLL must be used.  If a particular board has
2228 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2229 * as there is no need to program the PLL itself.  If we are not able to
2230 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2231 * avoid messing up an existing monitor.
2232 *
2233 * Asic specific PLL information
2234 *
2235 * DCE 10.x
2236 * Tonga
2237 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2238 * CI
2239 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2240 *
2241 */
2242static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc)
2243{
2244	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2245	struct drm_device *dev = crtc->dev;
2246	struct amdgpu_device *adev = drm_to_adev(dev);
2247	u32 pll_in_use;
2248	int pll;
2249
2250	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2251		if (adev->clock.dp_extclk)
2252			/* skip PPLL programming if using ext clock */
2253			return ATOM_PPLL_INVALID;
2254		else {
2255			/* use the same PPLL for all DP monitors */
2256			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2257			if (pll != ATOM_PPLL_INVALID)
2258				return pll;
2259		}
2260	} else {
2261		/* use the same PPLL for all monitors with the same clock */
2262		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2263		if (pll != ATOM_PPLL_INVALID)
2264			return pll;
2265	}
2266
2267	/* DCE10 has PPLL0, PPLL1, and PPLL2 */
2268	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2269	if (!(pll_in_use & (1 << ATOM_PPLL2)))
2270		return ATOM_PPLL2;
2271	if (!(pll_in_use & (1 << ATOM_PPLL1)))
2272		return ATOM_PPLL1;
2273	if (!(pll_in_use & (1 << ATOM_PPLL0)))
2274		return ATOM_PPLL0;
2275	DRM_ERROR("unable to allocate a PPLL\n");
2276	return ATOM_PPLL_INVALID;
2277}
2278
2279static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2280{
2281	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2282	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2283	uint32_t cur_lock;
2284
2285	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2286	if (lock)
2287		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2288	else
2289		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2290	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2291}
2292
2293static void dce_v10_0_hide_cursor(struct drm_crtc *crtc)
2294{
2295	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2296	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2297	u32 tmp;
2298
2299	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2300	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2301	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2302}
2303
2304static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
2305{
2306	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2307	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2308	u32 tmp;
2309
2310	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2311	       upper_32_bits(amdgpu_crtc->cursor_addr));
2312	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2313	       lower_32_bits(amdgpu_crtc->cursor_addr));
2314
2315	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2316	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2317	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2318	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2319}
2320
2321static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
2322					int x, int y)
2323{
2324	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2325	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2326	int xorigin = 0, yorigin = 0;
2327
2328	amdgpu_crtc->cursor_x = x;
2329	amdgpu_crtc->cursor_y = y;
2330
2331	/* avivo cursor are offset into the total surface */
2332	x += crtc->x;
2333	y += crtc->y;
2334	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2335
2336	if (x < 0) {
2337		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2338		x = 0;
2339	}
2340	if (y < 0) {
2341		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2342		y = 0;
2343	}
2344
2345	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2346	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2347	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2348	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2349
2350	return 0;
2351}
2352
2353static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc,
2354				      int x, int y)
2355{
2356	int ret;
2357
2358	dce_v10_0_lock_cursor(crtc, true);
2359	ret = dce_v10_0_cursor_move_locked(crtc, x, y);
2360	dce_v10_0_lock_cursor(crtc, false);
2361
2362	return ret;
2363}
2364
2365static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,
2366				      struct drm_file *file_priv,
2367				      uint32_t handle,
2368				      uint32_t width,
2369				      uint32_t height,
2370				      int32_t hot_x,
2371				      int32_t hot_y)
2372{
2373	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2374	struct drm_gem_object *obj;
2375	struct amdgpu_bo *aobj;
2376	int ret;
2377
2378	if (!handle) {
2379		/* turn off cursor */
2380		dce_v10_0_hide_cursor(crtc);
2381		obj = NULL;
2382		goto unpin;
2383	}
2384
2385	if ((width > amdgpu_crtc->max_cursor_width) ||
2386	    (height > amdgpu_crtc->max_cursor_height)) {
2387		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2388		return -EINVAL;
2389	}
2390
2391	obj = drm_gem_object_lookup(file_priv, handle);
2392	if (!obj) {
2393		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2394		return -ENOENT;
2395	}
2396
2397	aobj = gem_to_amdgpu_bo(obj);
2398	ret = amdgpu_bo_reserve(aobj, false);
2399	if (ret != 0) {
2400		drm_gem_object_put(obj);
2401		return ret;
2402	}
2403
2404	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2405	amdgpu_bo_unreserve(aobj);
2406	if (ret) {
2407		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2408		drm_gem_object_put(obj);
2409		return ret;
2410	}
2411	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2412
2413	dce_v10_0_lock_cursor(crtc, true);
2414
2415	if (width != amdgpu_crtc->cursor_width ||
2416	    height != amdgpu_crtc->cursor_height ||
2417	    hot_x != amdgpu_crtc->cursor_hot_x ||
2418	    hot_y != amdgpu_crtc->cursor_hot_y) {
2419		int x, y;
2420
2421		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2422		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2423
2424		dce_v10_0_cursor_move_locked(crtc, x, y);
2425
2426		amdgpu_crtc->cursor_width = width;
2427		amdgpu_crtc->cursor_height = height;
2428		amdgpu_crtc->cursor_hot_x = hot_x;
2429		amdgpu_crtc->cursor_hot_y = hot_y;
2430	}
2431
2432	dce_v10_0_show_cursor(crtc);
2433	dce_v10_0_lock_cursor(crtc, false);
2434
2435unpin:
2436	if (amdgpu_crtc->cursor_bo) {
2437		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2438		ret = amdgpu_bo_reserve(aobj, true);
2439		if (likely(ret == 0)) {
2440			amdgpu_bo_unpin(aobj);
2441			amdgpu_bo_unreserve(aobj);
2442		}
2443		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2444	}
2445
2446	amdgpu_crtc->cursor_bo = obj;
2447	return 0;
2448}
2449
2450static void dce_v10_0_cursor_reset(struct drm_crtc *crtc)
2451{
2452	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2453
2454	if (amdgpu_crtc->cursor_bo) {
2455		dce_v10_0_lock_cursor(crtc, true);
2456
2457		dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2458					     amdgpu_crtc->cursor_y);
2459
2460		dce_v10_0_show_cursor(crtc);
2461
2462		dce_v10_0_lock_cursor(crtc, false);
2463	}
2464}
2465
2466static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2467				    u16 *blue, uint32_t size,
2468				    struct drm_modeset_acquire_ctx *ctx)
2469{
2470	dce_v10_0_crtc_load_lut(crtc);
2471
2472	return 0;
2473}
2474
2475static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc)
2476{
2477	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2478
2479	drm_crtc_cleanup(crtc);
2480	kfree(amdgpu_crtc);
2481}
2482
2483static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = {
2484	.cursor_set2 = dce_v10_0_crtc_cursor_set2,
2485	.cursor_move = dce_v10_0_crtc_cursor_move,
2486	.gamma_set = dce_v10_0_crtc_gamma_set,
2487	.set_config = amdgpu_display_crtc_set_config,
2488	.destroy = dce_v10_0_crtc_destroy,
2489	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2490	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2491	.enable_vblank = amdgpu_enable_vblank_kms,
2492	.disable_vblank = amdgpu_disable_vblank_kms,
2493	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2494};
2495
2496static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2497{
2498	struct drm_device *dev = crtc->dev;
2499	struct amdgpu_device *adev = drm_to_adev(dev);
2500	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2501	unsigned type;
2502
2503	switch (mode) {
2504	case DRM_MODE_DPMS_ON:
2505		amdgpu_crtc->enabled = true;
2506		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2507		dce_v10_0_vga_enable(crtc, true);
2508		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2509		dce_v10_0_vga_enable(crtc, false);
2510		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2511		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2512						amdgpu_crtc->crtc_id);
2513		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2514		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2515		drm_crtc_vblank_on(crtc);
2516		dce_v10_0_crtc_load_lut(crtc);
2517		break;
2518	case DRM_MODE_DPMS_STANDBY:
2519	case DRM_MODE_DPMS_SUSPEND:
2520	case DRM_MODE_DPMS_OFF:
2521		drm_crtc_vblank_off(crtc);
2522		if (amdgpu_crtc->enabled) {
2523			dce_v10_0_vga_enable(crtc, true);
2524			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2525			dce_v10_0_vga_enable(crtc, false);
2526		}
2527		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2528		amdgpu_crtc->enabled = false;
2529		break;
2530	}
2531	/* adjust pm to dpms */
2532	amdgpu_dpm_compute_clocks(adev);
2533}
2534
2535static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc)
2536{
2537	/* disable crtc pair power gating before programming */
2538	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2539	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2540	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2541}
2542
2543static void dce_v10_0_crtc_commit(struct drm_crtc *crtc)
2544{
2545	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2546	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2547}
2548
2549static void dce_v10_0_crtc_disable(struct drm_crtc *crtc)
2550{
2551	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2552	struct drm_device *dev = crtc->dev;
2553	struct amdgpu_device *adev = drm_to_adev(dev);
2554	struct amdgpu_atom_ss ss;
2555	int i;
2556
2557	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2558	if (crtc->primary->fb) {
2559		int r;
2560		struct amdgpu_bo *abo;
2561
2562		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2563		r = amdgpu_bo_reserve(abo, true);
2564		if (unlikely(r))
2565			DRM_ERROR("failed to reserve abo before unpin\n");
2566		else {
2567			amdgpu_bo_unpin(abo);
2568			amdgpu_bo_unreserve(abo);
2569		}
2570	}
2571	/* disable the GRPH */
2572	dce_v10_0_grph_enable(crtc, false);
2573
2574	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2575
2576	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2577		if (adev->mode_info.crtcs[i] &&
2578		    adev->mode_info.crtcs[i]->enabled &&
2579		    i != amdgpu_crtc->crtc_id &&
2580		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2581			/* one other crtc is using this pll don't turn
2582			 * off the pll
2583			 */
2584			goto done;
2585		}
2586	}
2587
2588	switch (amdgpu_crtc->pll_id) {
2589	case ATOM_PPLL0:
2590	case ATOM_PPLL1:
2591	case ATOM_PPLL2:
2592		/* disable the ppll */
2593		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2594					  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2595		break;
2596	default:
2597		break;
2598	}
2599done:
2600	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2601	amdgpu_crtc->adjusted_clock = 0;
2602	amdgpu_crtc->encoder = NULL;
2603	amdgpu_crtc->connector = NULL;
2604}
2605
2606static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc,
2607				  struct drm_display_mode *mode,
2608				  struct drm_display_mode *adjusted_mode,
2609				  int x, int y, struct drm_framebuffer *old_fb)
2610{
2611	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2612
2613	if (!amdgpu_crtc->adjusted_clock)
2614		return -EINVAL;
2615
2616	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2617	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2618	dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2619	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2620	amdgpu_atombios_crtc_scaler_setup(crtc);
2621	dce_v10_0_cursor_reset(crtc);
2622	/* update the hw version fpr dpm */
2623	amdgpu_crtc->hw_mode = *adjusted_mode;
2624
2625	return 0;
2626}
2627
2628static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc,
2629				     const struct drm_display_mode *mode,
2630				     struct drm_display_mode *adjusted_mode)
2631{
2632	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2633	struct drm_device *dev = crtc->dev;
2634	struct drm_encoder *encoder;
2635
2636	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2637	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2638		if (encoder->crtc == crtc) {
2639			amdgpu_crtc->encoder = encoder;
2640			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2641			break;
2642		}
2643	}
2644	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2645		amdgpu_crtc->encoder = NULL;
2646		amdgpu_crtc->connector = NULL;
2647		return false;
2648	}
2649	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2650		return false;
2651	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2652		return false;
2653	/* pick pll */
2654	amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc);
2655	/* if we can't get a PPLL for a non-DP encoder, fail */
2656	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2657	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2658		return false;
2659
2660	return true;
2661}
2662
2663static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2664				  struct drm_framebuffer *old_fb)
2665{
2666	return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2667}
2668
2669static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2670					 struct drm_framebuffer *fb,
2671					 int x, int y, enum mode_set_atomic state)
2672{
2673	return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1);
2674}
2675
2676static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = {
2677	.dpms = dce_v10_0_crtc_dpms,
2678	.mode_fixup = dce_v10_0_crtc_mode_fixup,
2679	.mode_set = dce_v10_0_crtc_mode_set,
2680	.mode_set_base = dce_v10_0_crtc_set_base,
2681	.mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic,
2682	.prepare = dce_v10_0_crtc_prepare,
2683	.commit = dce_v10_0_crtc_commit,
2684	.disable = dce_v10_0_crtc_disable,
2685	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2686};
2687
2688static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
2689{
2690	struct amdgpu_crtc *amdgpu_crtc;
2691
2692	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2693			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2694	if (amdgpu_crtc == NULL)
2695		return -ENOMEM;
2696
2697	drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v10_0_crtc_funcs);
2698
2699	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2700	amdgpu_crtc->crtc_id = index;
2701	adev->mode_info.crtcs[index] = amdgpu_crtc;
2702
2703	amdgpu_crtc->max_cursor_width = 128;
2704	amdgpu_crtc->max_cursor_height = 128;
2705	adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2706	adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2707
2708	switch (amdgpu_crtc->crtc_id) {
2709	case 0:
2710	default:
2711		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2712		break;
2713	case 1:
2714		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2715		break;
2716	case 2:
2717		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2718		break;
2719	case 3:
2720		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2721		break;
2722	case 4:
2723		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2724		break;
2725	case 5:
2726		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2727		break;
2728	}
2729
2730	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2731	amdgpu_crtc->adjusted_clock = 0;
2732	amdgpu_crtc->encoder = NULL;
2733	amdgpu_crtc->connector = NULL;
2734	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs);
2735
2736	return 0;
2737}
2738
2739static int dce_v10_0_early_init(void *handle)
2740{
2741	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2742
2743	adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg;
2744	adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg;
2745
2746	dce_v10_0_set_display_funcs(adev);
2747
2748	adev->mode_info.num_crtc = dce_v10_0_get_num_crtc(adev);
2749
2750	switch (adev->asic_type) {
2751	case CHIP_FIJI:
2752	case CHIP_TONGA:
2753		adev->mode_info.num_hpd = 6;
2754		adev->mode_info.num_dig = 7;
2755		break;
2756	default:
2757		/* FIXME: not supported yet */
2758		return -EINVAL;
2759	}
2760
2761	dce_v10_0_set_irq_funcs(adev);
2762
2763	return 0;
2764}
2765
2766static int dce_v10_0_sw_init(void *handle)
2767{
2768	int r, i;
2769	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2770
2771	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2772		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2773		if (r)
2774			return r;
2775	}
2776
2777	for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2778		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2779		if (r)
2780			return r;
2781	}
2782
2783	/* HPD hotplug */
2784	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2785	if (r)
2786		return r;
2787
2788	adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2789
2790	adev_to_drm(adev)->mode_config.async_page_flip = true;
2791
2792	adev_to_drm(adev)->mode_config.max_width = 16384;
2793	adev_to_drm(adev)->mode_config.max_height = 16384;
2794
2795	adev_to_drm(adev)->mode_config.preferred_depth = 24;
2796	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2797
2798	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2799
2800	r = amdgpu_display_modeset_create_props(adev);
2801	if (r)
2802		return r;
2803
2804	adev_to_drm(adev)->mode_config.max_width = 16384;
2805	adev_to_drm(adev)->mode_config.max_height = 16384;
2806
2807	/* allocate crtcs */
2808	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2809		r = dce_v10_0_crtc_init(adev, i);
2810		if (r)
2811			return r;
2812	}
2813
2814	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2815		amdgpu_display_print_display_setup(adev_to_drm(adev));
2816	else
2817		return -EINVAL;
2818
2819	/* setup afmt */
2820	r = dce_v10_0_afmt_init(adev);
2821	if (r)
2822		return r;
2823
2824	r = dce_v10_0_audio_init(adev);
2825	if (r)
2826		return r;
2827
2828	/* Disable vblank IRQs aggressively for power-saving */
2829	/* XXX: can this be enabled for DC? */
2830	adev_to_drm(adev)->vblank_disable_immediate = true;
2831
2832	r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2833	if (r)
2834		return r;
2835
2836	INIT_DELAYED_WORK(&adev->hotplug_work,
2837		  amdgpu_display_hotplug_work_func);
2838
2839	drm_kms_helper_poll_init(adev_to_drm(adev));
2840
2841	adev->mode_info.mode_config_initialized = true;
2842	return 0;
2843}
2844
2845static int dce_v10_0_sw_fini(void *handle)
2846{
2847	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2848
2849	kfree(adev->mode_info.bios_hardcoded_edid);
2850
2851	drm_kms_helper_poll_fini(adev_to_drm(adev));
2852
2853	dce_v10_0_audio_fini(adev);
2854
2855	dce_v10_0_afmt_fini(adev);
2856
2857	drm_mode_config_cleanup(adev_to_drm(adev));
2858	adev->mode_info.mode_config_initialized = false;
2859
2860	return 0;
2861}
2862
2863static int dce_v10_0_hw_init(void *handle)
2864{
2865	int i;
2866	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2867
2868	dce_v10_0_init_golden_registers(adev);
2869
2870	/* disable vga render */
2871	dce_v10_0_set_vga_render_state(adev, false);
2872	/* init dig PHYs, disp eng pll */
2873	amdgpu_atombios_encoder_init_dig(adev);
2874	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2875
2876	/* initialize hpd */
2877	dce_v10_0_hpd_init(adev);
2878
2879	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2880		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2881	}
2882
2883	dce_v10_0_pageflip_interrupt_init(adev);
2884
2885	return 0;
2886}
2887
2888static int dce_v10_0_hw_fini(void *handle)
2889{
2890	int i;
2891	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2892
2893	dce_v10_0_hpd_fini(adev);
2894
2895	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2896		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2897	}
2898
2899	dce_v10_0_pageflip_interrupt_fini(adev);
2900
2901	flush_delayed_work(&adev->hotplug_work);
2902
2903	return 0;
2904}
2905
2906static int dce_v10_0_suspend(void *handle)
2907{
2908	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2909	int r;
2910
2911	r = amdgpu_display_suspend_helper(adev);
2912	if (r)
2913		return r;
2914
2915	adev->mode_info.bl_level =
2916		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2917
2918	return dce_v10_0_hw_fini(handle);
2919}
2920
2921static int dce_v10_0_resume(void *handle)
2922{
2923	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2924	int ret;
2925
2926	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2927							   adev->mode_info.bl_level);
2928
2929	ret = dce_v10_0_hw_init(handle);
2930
2931	/* turn on the BL */
2932	if (adev->mode_info.bl_encoder) {
2933		u8 bl_level = amdgpu_display_backlight_get_level(adev,
2934								  adev->mode_info.bl_encoder);
2935		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2936						    bl_level);
2937	}
2938	if (ret)
2939		return ret;
2940
2941	return amdgpu_display_resume_helper(adev);
2942}
2943
2944static bool dce_v10_0_is_idle(void *handle)
2945{
2946	return true;
2947}
2948
2949static int dce_v10_0_wait_for_idle(void *handle)
2950{
2951	return 0;
2952}
2953
2954static bool dce_v10_0_check_soft_reset(void *handle)
2955{
2956	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2957
2958	return dce_v10_0_is_display_hung(adev);
2959}
2960
2961static int dce_v10_0_soft_reset(void *handle)
2962{
2963	u32 srbm_soft_reset = 0, tmp;
2964	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2965
2966	if (dce_v10_0_is_display_hung(adev))
2967		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
2968
2969	if (srbm_soft_reset) {
2970		tmp = RREG32(mmSRBM_SOFT_RESET);
2971		tmp |= srbm_soft_reset;
2972		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
2973		WREG32(mmSRBM_SOFT_RESET, tmp);
2974		tmp = RREG32(mmSRBM_SOFT_RESET);
2975
2976		udelay(50);
2977
2978		tmp &= ~srbm_soft_reset;
2979		WREG32(mmSRBM_SOFT_RESET, tmp);
2980		tmp = RREG32(mmSRBM_SOFT_RESET);
2981
2982		/* Wait a little for things to settle down */
2983		udelay(50);
2984	}
2985	return 0;
2986}
2987
2988static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2989						     int crtc,
2990						     enum amdgpu_interrupt_state state)
2991{
2992	u32 lb_interrupt_mask;
2993
2994	if (crtc >= adev->mode_info.num_crtc) {
2995		DRM_DEBUG("invalid crtc %d\n", crtc);
2996		return;
2997	}
2998
2999	switch (state) {
3000	case AMDGPU_IRQ_STATE_DISABLE:
3001		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3002		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3003						  VBLANK_INTERRUPT_MASK, 0);
3004		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3005		break;
3006	case AMDGPU_IRQ_STATE_ENABLE:
3007		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3008		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3009						  VBLANK_INTERRUPT_MASK, 1);
3010		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3011		break;
3012	default:
3013		break;
3014	}
3015}
3016
3017static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3018						    int crtc,
3019						    enum amdgpu_interrupt_state state)
3020{
3021	u32 lb_interrupt_mask;
3022
3023	if (crtc >= adev->mode_info.num_crtc) {
3024		DRM_DEBUG("invalid crtc %d\n", crtc);
3025		return;
3026	}
3027
3028	switch (state) {
3029	case AMDGPU_IRQ_STATE_DISABLE:
3030		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3031		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3032						  VLINE_INTERRUPT_MASK, 0);
3033		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3034		break;
3035	case AMDGPU_IRQ_STATE_ENABLE:
3036		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3037		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3038						  VLINE_INTERRUPT_MASK, 1);
3039		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3040		break;
3041	default:
3042		break;
3043	}
3044}
3045
3046static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev,
3047				       struct amdgpu_irq_src *source,
3048				       unsigned hpd,
3049				       enum amdgpu_interrupt_state state)
3050{
3051	u32 tmp;
3052
3053	if (hpd >= adev->mode_info.num_hpd) {
3054		DRM_DEBUG("invalid hdp %d\n", hpd);
3055		return 0;
3056	}
3057
3058	switch (state) {
3059	case AMDGPU_IRQ_STATE_DISABLE:
3060		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3061		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3062		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3063		break;
3064	case AMDGPU_IRQ_STATE_ENABLE:
3065		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3066		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3067		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3068		break;
3069	default:
3070		break;
3071	}
3072
3073	return 0;
3074}
3075
3076static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev,
3077					struct amdgpu_irq_src *source,
3078					unsigned type,
3079					enum amdgpu_interrupt_state state)
3080{
3081	switch (type) {
3082	case AMDGPU_CRTC_IRQ_VBLANK1:
3083		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3084		break;
3085	case AMDGPU_CRTC_IRQ_VBLANK2:
3086		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3087		break;
3088	case AMDGPU_CRTC_IRQ_VBLANK3:
3089		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3090		break;
3091	case AMDGPU_CRTC_IRQ_VBLANK4:
3092		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3093		break;
3094	case AMDGPU_CRTC_IRQ_VBLANK5:
3095		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3096		break;
3097	case AMDGPU_CRTC_IRQ_VBLANK6:
3098		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3099		break;
3100	case AMDGPU_CRTC_IRQ_VLINE1:
3101		dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state);
3102		break;
3103	case AMDGPU_CRTC_IRQ_VLINE2:
3104		dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state);
3105		break;
3106	case AMDGPU_CRTC_IRQ_VLINE3:
3107		dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state);
3108		break;
3109	case AMDGPU_CRTC_IRQ_VLINE4:
3110		dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state);
3111		break;
3112	case AMDGPU_CRTC_IRQ_VLINE5:
3113		dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state);
3114		break;
3115	case AMDGPU_CRTC_IRQ_VLINE6:
3116		dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state);
3117		break;
3118	default:
3119		break;
3120	}
3121	return 0;
3122}
3123
3124static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3125					    struct amdgpu_irq_src *src,
3126					    unsigned type,
3127					    enum amdgpu_interrupt_state state)
3128{
3129	u32 reg;
3130
3131	if (type >= adev->mode_info.num_crtc) {
3132		DRM_ERROR("invalid pageflip crtc %d\n", type);
3133		return -EINVAL;
3134	}
3135
3136	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3137	if (state == AMDGPU_IRQ_STATE_DISABLE)
3138		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3139		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3140	else
3141		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3142		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3143
3144	return 0;
3145}
3146
3147static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev,
3148				  struct amdgpu_irq_src *source,
3149				  struct amdgpu_iv_entry *entry)
3150{
3151	unsigned long flags;
3152	unsigned crtc_id;
3153	struct amdgpu_crtc *amdgpu_crtc;
3154	struct amdgpu_flip_work *works;
3155
3156	crtc_id = (entry->src_id - 8) >> 1;
3157	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3158
3159	if (crtc_id >= adev->mode_info.num_crtc) {
3160		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3161		return -EINVAL;
3162	}
3163
3164	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3165	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3166		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3167		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3168
3169	/* IRQ could occur when in initial stage */
3170	if (amdgpu_crtc == NULL)
3171		return 0;
3172
3173	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3174	works = amdgpu_crtc->pflip_works;
3175	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
3176		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3177						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3178						 amdgpu_crtc->pflip_status,
3179						 AMDGPU_FLIP_SUBMITTED);
3180		spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3181		return 0;
3182	}
3183
3184	/* page flip completed. clean up */
3185	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3186	amdgpu_crtc->pflip_works = NULL;
3187
3188	/* wakeup usersapce */
3189	if (works->event)
3190		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3191
3192	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3193
3194	drm_crtc_vblank_put(&amdgpu_crtc->base);
3195	schedule_work(&works->unpin_work);
3196
3197	return 0;
3198}
3199
3200static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev,
3201				  int hpd)
3202{
3203	u32 tmp;
3204
3205	if (hpd >= adev->mode_info.num_hpd) {
3206		DRM_DEBUG("invalid hdp %d\n", hpd);
3207		return;
3208	}
3209
3210	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3211	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3212	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3213}
3214
3215static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3216					  int crtc)
3217{
3218	u32 tmp;
3219
3220	if (crtc >= adev->mode_info.num_crtc) {
3221		DRM_DEBUG("invalid crtc %d\n", crtc);
3222		return;
3223	}
3224
3225	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3226	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3227	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3228}
3229
3230static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3231					 int crtc)
3232{
3233	u32 tmp;
3234
3235	if (crtc >= adev->mode_info.num_crtc) {
3236		DRM_DEBUG("invalid crtc %d\n", crtc);
3237		return;
3238	}
3239
3240	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3241	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3242	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3243}
3244
3245static int dce_v10_0_crtc_irq(struct amdgpu_device *adev,
3246			      struct amdgpu_irq_src *source,
3247			      struct amdgpu_iv_entry *entry)
3248{
3249	unsigned crtc = entry->src_id - 1;
3250	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3251	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, crtc);
3252
3253	switch (entry->src_data[0]) {
3254	case 0: /* vblank */
3255		if (disp_int & interrupt_status_offsets[crtc].vblank)
3256			dce_v10_0_crtc_vblank_int_ack(adev, crtc);
3257		else
3258			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3259
3260		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3261			drm_handle_vblank(adev_to_drm(adev), crtc);
3262		}
3263		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3264
3265		break;
3266	case 1: /* vline */
3267		if (disp_int & interrupt_status_offsets[crtc].vline)
3268			dce_v10_0_crtc_vline_int_ack(adev, crtc);
3269		else
3270			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3271
3272		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3273
3274		break;
3275	default:
3276		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3277		break;
3278	}
3279
3280	return 0;
3281}
3282
3283static int dce_v10_0_hpd_irq(struct amdgpu_device *adev,
3284			     struct amdgpu_irq_src *source,
3285			     struct amdgpu_iv_entry *entry)
3286{
3287	uint32_t disp_int, mask;
3288	unsigned hpd;
3289
3290	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3291		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3292		return 0;
3293	}
3294
3295	hpd = entry->src_data[0];
3296	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3297	mask = interrupt_status_offsets[hpd].hpd;
3298
3299	if (disp_int & mask) {
3300		dce_v10_0_hpd_int_ack(adev, hpd);
3301		schedule_delayed_work(&adev->hotplug_work, 0);
3302		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3303	}
3304
3305	return 0;
3306}
3307
3308static int dce_v10_0_set_clockgating_state(void *handle,
3309					  enum amd_clockgating_state state)
3310{
3311	return 0;
3312}
3313
3314static int dce_v10_0_set_powergating_state(void *handle,
3315					  enum amd_powergating_state state)
3316{
3317	return 0;
3318}
3319
3320static const struct amd_ip_funcs dce_v10_0_ip_funcs = {
3321	.name = "dce_v10_0",
3322	.early_init = dce_v10_0_early_init,
3323	.late_init = NULL,
3324	.sw_init = dce_v10_0_sw_init,
3325	.sw_fini = dce_v10_0_sw_fini,
3326	.hw_init = dce_v10_0_hw_init,
3327	.hw_fini = dce_v10_0_hw_fini,
3328	.suspend = dce_v10_0_suspend,
3329	.resume = dce_v10_0_resume,
3330	.is_idle = dce_v10_0_is_idle,
3331	.wait_for_idle = dce_v10_0_wait_for_idle,
3332	.check_soft_reset = dce_v10_0_check_soft_reset,
3333	.soft_reset = dce_v10_0_soft_reset,
3334	.set_clockgating_state = dce_v10_0_set_clockgating_state,
3335	.set_powergating_state = dce_v10_0_set_powergating_state,
3336};
3337
3338static void
3339dce_v10_0_encoder_mode_set(struct drm_encoder *encoder,
3340			  struct drm_display_mode *mode,
3341			  struct drm_display_mode *adjusted_mode)
3342{
3343	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3344
3345	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3346
3347	/* need to call this here rather than in prepare() since we need some crtc info */
3348	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3349
3350	/* set scaler clears this on some chips */
3351	dce_v10_0_set_interleave(encoder->crtc, mode);
3352
3353	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3354		dce_v10_0_afmt_enable(encoder, true);
3355		dce_v10_0_afmt_setmode(encoder, adjusted_mode);
3356	}
3357}
3358
3359static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder)
3360{
3361	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3362	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3363	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3364
3365	if ((amdgpu_encoder->active_device &
3366	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3367	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3368	     ENCODER_OBJECT_ID_NONE)) {
3369		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3370		if (dig) {
3371			dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder);
3372			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3373				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3374		}
3375	}
3376
3377	amdgpu_atombios_scratch_regs_lock(adev, true);
3378
3379	if (connector) {
3380		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3381
3382		/* select the clock/data port if it uses a router */
3383		if (amdgpu_connector->router.cd_valid)
3384			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3385
3386		/* turn eDP panel on for mode set */
3387		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3388			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3389							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3390	}
3391
3392	/* this is needed for the pll/ss setup to work correctly in some cases */
3393	amdgpu_atombios_encoder_set_crtc_source(encoder);
3394	/* set up the FMT blocks */
3395	dce_v10_0_program_fmt(encoder);
3396}
3397
3398static void dce_v10_0_encoder_commit(struct drm_encoder *encoder)
3399{
3400	struct drm_device *dev = encoder->dev;
3401	struct amdgpu_device *adev = drm_to_adev(dev);
3402
3403	/* need to call this here as we need the crtc set up */
3404	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3405	amdgpu_atombios_scratch_regs_lock(adev, false);
3406}
3407
3408static void dce_v10_0_encoder_disable(struct drm_encoder *encoder)
3409{
3410	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3411	struct amdgpu_encoder_atom_dig *dig;
3412
3413	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3414
3415	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3416		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3417			dce_v10_0_afmt_enable(encoder, false);
3418		dig = amdgpu_encoder->enc_priv;
3419		dig->dig_encoder = -1;
3420	}
3421	amdgpu_encoder->active_device = 0;
3422}
3423
3424/* these are handled by the primary encoders */
3425static void dce_v10_0_ext_prepare(struct drm_encoder *encoder)
3426{
3427
3428}
3429
3430static void dce_v10_0_ext_commit(struct drm_encoder *encoder)
3431{
3432
3433}
3434
3435static void
3436dce_v10_0_ext_mode_set(struct drm_encoder *encoder,
3437		      struct drm_display_mode *mode,
3438		      struct drm_display_mode *adjusted_mode)
3439{
3440
3441}
3442
3443static void dce_v10_0_ext_disable(struct drm_encoder *encoder)
3444{
3445
3446}
3447
3448static void
3449dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode)
3450{
3451
3452}
3453
3454static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = {
3455	.dpms = dce_v10_0_ext_dpms,
3456	.prepare = dce_v10_0_ext_prepare,
3457	.mode_set = dce_v10_0_ext_mode_set,
3458	.commit = dce_v10_0_ext_commit,
3459	.disable = dce_v10_0_ext_disable,
3460	/* no detect for TMDS/LVDS yet */
3461};
3462
3463static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = {
3464	.dpms = amdgpu_atombios_encoder_dpms,
3465	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3466	.prepare = dce_v10_0_encoder_prepare,
3467	.mode_set = dce_v10_0_encoder_mode_set,
3468	.commit = dce_v10_0_encoder_commit,
3469	.disable = dce_v10_0_encoder_disable,
3470	.detect = amdgpu_atombios_encoder_dig_detect,
3471};
3472
3473static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = {
3474	.dpms = amdgpu_atombios_encoder_dpms,
3475	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3476	.prepare = dce_v10_0_encoder_prepare,
3477	.mode_set = dce_v10_0_encoder_mode_set,
3478	.commit = dce_v10_0_encoder_commit,
3479	.detect = amdgpu_atombios_encoder_dac_detect,
3480};
3481
3482static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder)
3483{
3484	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3485	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3486		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3487	kfree(amdgpu_encoder->enc_priv);
3488	drm_encoder_cleanup(encoder);
3489	kfree(amdgpu_encoder);
3490}
3491
3492static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = {
3493	.destroy = dce_v10_0_encoder_destroy,
3494};
3495
3496static void dce_v10_0_encoder_add(struct amdgpu_device *adev,
3497				 uint32_t encoder_enum,
3498				 uint32_t supported_device,
3499				 u16 caps)
3500{
3501	struct drm_device *dev = adev_to_drm(adev);
3502	struct drm_encoder *encoder;
3503	struct amdgpu_encoder *amdgpu_encoder;
3504
3505	/* see if we already added it */
3506	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3507		amdgpu_encoder = to_amdgpu_encoder(encoder);
3508		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3509			amdgpu_encoder->devices |= supported_device;
3510			return;
3511		}
3512
3513	}
3514
3515	/* add a new one */
3516	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3517	if (!amdgpu_encoder)
3518		return;
3519
3520	encoder = &amdgpu_encoder->base;
3521	switch (adev->mode_info.num_crtc) {
3522	case 1:
3523		encoder->possible_crtcs = 0x1;
3524		break;
3525	case 2:
3526	default:
3527		encoder->possible_crtcs = 0x3;
3528		break;
3529	case 4:
3530		encoder->possible_crtcs = 0xf;
3531		break;
3532	case 6:
3533		encoder->possible_crtcs = 0x3f;
3534		break;
3535	}
3536
3537	amdgpu_encoder->enc_priv = NULL;
3538
3539	amdgpu_encoder->encoder_enum = encoder_enum;
3540	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3541	amdgpu_encoder->devices = supported_device;
3542	amdgpu_encoder->rmx_type = RMX_OFF;
3543	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3544	amdgpu_encoder->is_ext_encoder = false;
3545	amdgpu_encoder->caps = caps;
3546
3547	switch (amdgpu_encoder->encoder_id) {
3548	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3549	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3550		drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3551				 DRM_MODE_ENCODER_DAC, NULL);
3552		drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs);
3553		break;
3554	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3555	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3556	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3557	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3558	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3559		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3560			amdgpu_encoder->rmx_type = RMX_FULL;
3561			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3562					 DRM_MODE_ENCODER_LVDS, NULL);
3563			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3564		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3565			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3566					 DRM_MODE_ENCODER_DAC, NULL);
3567			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3568		} else {
3569			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3570					 DRM_MODE_ENCODER_TMDS, NULL);
3571			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3572		}
3573		drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs);
3574		break;
3575	case ENCODER_OBJECT_ID_SI170B:
3576	case ENCODER_OBJECT_ID_CH7303:
3577	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3578	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3579	case ENCODER_OBJECT_ID_TITFP513:
3580	case ENCODER_OBJECT_ID_VT1623:
3581	case ENCODER_OBJECT_ID_HDMI_SI1930:
3582	case ENCODER_OBJECT_ID_TRAVIS:
3583	case ENCODER_OBJECT_ID_NUTMEG:
3584		/* these are handled by the primary encoders */
3585		amdgpu_encoder->is_ext_encoder = true;
3586		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3587			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3588					 DRM_MODE_ENCODER_LVDS, NULL);
3589		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3590			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3591					 DRM_MODE_ENCODER_DAC, NULL);
3592		else
3593			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3594					 DRM_MODE_ENCODER_TMDS, NULL);
3595		drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs);
3596		break;
3597	}
3598}
3599
3600static const struct amdgpu_display_funcs dce_v10_0_display_funcs = {
3601	.bandwidth_update = &dce_v10_0_bandwidth_update,
3602	.vblank_get_counter = &dce_v10_0_vblank_get_counter,
3603	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3604	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3605	.hpd_sense = &dce_v10_0_hpd_sense,
3606	.hpd_set_polarity = &dce_v10_0_hpd_set_polarity,
3607	.hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg,
3608	.page_flip = &dce_v10_0_page_flip,
3609	.page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos,
3610	.add_encoder = &dce_v10_0_encoder_add,
3611	.add_connector = &amdgpu_connector_add,
3612};
3613
3614static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev)
3615{
3616	adev->mode_info.funcs = &dce_v10_0_display_funcs;
3617}
3618
3619static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = {
3620	.set = dce_v10_0_set_crtc_irq_state,
3621	.process = dce_v10_0_crtc_irq,
3622};
3623
3624static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = {
3625	.set = dce_v10_0_set_pageflip_irq_state,
3626	.process = dce_v10_0_pageflip_irq,
3627};
3628
3629static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = {
3630	.set = dce_v10_0_set_hpd_irq_state,
3631	.process = dce_v10_0_hpd_irq,
3632};
3633
3634static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev)
3635{
3636	if (adev->mode_info.num_crtc > 0)
3637		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3638	else
3639		adev->crtc_irq.num_types = 0;
3640	adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs;
3641
3642	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3643	adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs;
3644
3645	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3646	adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs;
3647}
3648
3649const struct amdgpu_ip_block_version dce_v10_0_ip_block = {
3650	.type = AMD_IP_BLOCK_TYPE_DCE,
3651	.major = 10,
3652	.minor = 0,
3653	.rev = 0,
3654	.funcs = &dce_v10_0_ip_funcs,
3655};
3656
3657const struct amdgpu_ip_block_version dce_v10_1_ip_block = {
3658	.type = AMD_IP_BLOCK_TYPE_DCE,
3659	.major = 10,
3660	.minor = 1,
3661	.rev = 0,
3662	.funcs = &dce_v10_0_ip_funcs,
3663};
3664