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1430 serge 1
/*
2
 * Copyright 2010 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
 * Authors: Alex Deucher
23
 */
24
#include 
25
//#include 
1963 serge 26
#include 
2997 Serge 27
#include 
1430 serge 28
#include "radeon.h"
1963 serge 29
#include "radeon_asic.h"
2997 Serge 30
#include 
1963 serge 31
#include "evergreend.h"
1430 serge 32
#include "atom.h"
33
#include "avivod.h"
34
#include "evergreen_reg.h"
1986 serge 35
#include "evergreen_blit_shaders.h"
1430 serge 36
 
1963 serge 37
#define EVERGREEN_PFP_UCODE_SIZE 1120
38
#define EVERGREEN_PM4_UCODE_SIZE 1376
39
 
2997 Serge 40
static const u32 crtc_offsets[6] =
41
{
42
	EVERGREEN_CRTC0_REGISTER_OFFSET,
43
	EVERGREEN_CRTC1_REGISTER_OFFSET,
44
	EVERGREEN_CRTC2_REGISTER_OFFSET,
45
	EVERGREEN_CRTC3_REGISTER_OFFSET,
46
	EVERGREEN_CRTC4_REGISTER_OFFSET,
47
	EVERGREEN_CRTC5_REGISTER_OFFSET
48
};
49
 
1430 serge 50
static void evergreen_gpu_init(struct radeon_device *rdev);
51
void evergreen_fini(struct radeon_device *rdev);
2997 Serge 52
void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
53
extern void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
54
				     int ring, u32 cp_int_cntl);
1430 serge 55
 
2997 Serge 56
void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
57
			     unsigned *bankh, unsigned *mtaspect,
58
			     unsigned *tile_split)
59
{
60
	*bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
61
	*bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
62
	*mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
63
	*tile_split = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
64
	switch (*bankw) {
65
	default:
66
	case 1: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_1; break;
67
	case 2: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_2; break;
68
	case 4: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_4; break;
69
	case 8: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_8; break;
70
	}
71
	switch (*bankh) {
72
	default:
73
	case 1: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_1; break;
74
	case 2: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_2; break;
75
	case 4: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_4; break;
76
	case 8: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_8; break;
77
	}
78
	switch (*mtaspect) {
79
	default:
80
	case 1: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1; break;
81
	case 2: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2; break;
82
	case 4: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4; break;
83
	case 8: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8; break;
84
	}
85
}
1990 serge 86
 
2997 Serge 87
void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
88
{
89
	u16 ctl, v;
90
	int err;
1990 serge 91
 
2997 Serge 92
	err = pcie_capability_read_word(rdev->pdev, PCI_EXP_DEVCTL, &ctl);
93
	if (err)
94
		return;
95
 
96
	v = (ctl & PCI_EXP_DEVCTL_READRQ) >> 12;
97
 
98
	/* if bios or OS sets MAX_READ_REQUEST_SIZE to an invalid value, fix it
99
	 * to avoid hangs or perfomance issues
100
	 */
101
	if ((v == 0) || (v == 6) || (v == 7)) {
102
		ctl &= ~PCI_EXP_DEVCTL_READRQ;
103
		ctl |= (2 << 12);
104
		pcie_capability_write_word(rdev->pdev, PCI_EXP_DEVCTL, ctl);
105
	}
106
}
107
 
108
/**
109
 * dce4_wait_for_vblank - vblank wait asic callback.
110
 *
111
 * @rdev: radeon_device pointer
112
 * @crtc: crtc to wait for vblank on
113
 *
114
 * Wait for vblank on the requested crtc (evergreen+).
115
 */
116
void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
117
{
118
	int i;
119
 
120
	if (crtc >= rdev->num_crtc)
121
		return;
122
 
123
	if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN) {
124
		for (i = 0; i < rdev->usec_timeout; i++) {
125
			if (!(RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK))
126
				break;
127
			udelay(1);
128
		}
129
		for (i = 0; i < rdev->usec_timeout; i++) {
130
			if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)
131
				break;
132
			udelay(1);
133
		}
134
	}
135
}
136
 
137
 
138
/**
139
 * evergreen_page_flip - pageflip callback.
140
 *
141
 * @rdev: radeon_device pointer
142
 * @crtc_id: crtc to cleanup pageflip on
143
 * @crtc_base: new address of the crtc (GPU MC address)
144
 *
145
 * Does the actual pageflip (evergreen+).
146
 * During vblank we take the crtc lock and wait for the update_pending
147
 * bit to go high, when it does, we release the lock, and allow the
148
 * double buffered update to take place.
149
 * Returns the current update pending status.
150
 */
1990 serge 151
u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
152
{
153
	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
154
	u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset);
2997 Serge 155
	int i;
1990 serge 156
 
157
	/* Lock the graphics update lock */
158
	tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
159
	WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
160
 
161
	/* update the scanout addresses */
162
	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
163
	       upper_32_bits(crtc_base));
164
	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
165
	       (u32)crtc_base);
166
 
167
	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
168
	       upper_32_bits(crtc_base));
169
	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
170
	       (u32)crtc_base);
171
 
172
	/* Wait for update_pending to go high. */
2997 Serge 173
	for (i = 0; i < rdev->usec_timeout; i++) {
174
		if (RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING)
175
			break;
176
		udelay(1);
177
	}
1990 serge 178
	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
179
 
180
	/* Unlock the lock, so double-buffering can take place inside vblank */
181
	tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
182
	WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
183
 
184
	/* Return current update_pending status: */
185
	return RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING;
186
}
187
 
188
/* get temperature in millidegrees */
189
int evergreen_get_temp(struct radeon_device *rdev)
190
{
191
	u32 temp, toffset;
192
	int actual_temp = 0;
193
 
194
	if (rdev->family == CHIP_JUNIPER) {
195
		toffset = (RREG32(CG_THERMAL_CTRL) & TOFFSET_MASK) >>
196
			TOFFSET_SHIFT;
197
		temp = (RREG32(CG_TS0_STATUS) & TS0_ADC_DOUT_MASK) >>
198
			TS0_ADC_DOUT_SHIFT;
199
 
200
		if (toffset & 0x100)
201
			actual_temp = temp / 2 - (0x200 - toffset);
202
		else
203
			actual_temp = temp / 2 + toffset;
204
 
205
		actual_temp = actual_temp * 1000;
206
 
207
	} else {
208
		temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
209
			ASIC_T_SHIFT;
210
 
211
		if (temp & 0x400)
212
			actual_temp = -256;
213
		else if (temp & 0x200)
214
			actual_temp = 255;
215
		else if (temp & 0x100) {
216
			actual_temp = temp & 0x1ff;
217
			actual_temp |= ~0x1ff;
218
		} else
219
			actual_temp = temp & 0xff;
220
 
221
		actual_temp = (actual_temp * 1000) / 2;
222
	}
223
 
224
	return actual_temp;
225
}
226
 
227
int sumo_get_temp(struct radeon_device *rdev)
228
{
229
	u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff;
230
	int actual_temp = temp - 49;
231
 
232
	return actual_temp * 1000;
233
}
234
 
2997 Serge 235
/**
236
 * sumo_pm_init_profile - Initialize power profiles callback.
237
 *
238
 * @rdev: radeon_device pointer
239
 *
240
 * Initialize the power states used in profile mode
241
 * (sumo, trinity, SI).
242
 * Used for profile mode only.
243
 */
244
void sumo_pm_init_profile(struct radeon_device *rdev)
245
{
246
	int idx;
247
 
248
	/* default */
249
	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
250
	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
251
	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
252
	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
253
 
254
	/* low,mid sh/mh */
255
	if (rdev->flags & RADEON_IS_MOBILITY)
256
		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
257
	else
258
		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
259
 
260
	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
261
	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
262
	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
263
	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
264
 
265
	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
266
	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
267
	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
268
	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
269
 
270
	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
271
	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
272
	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
273
	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
274
 
275
	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
276
	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
277
	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
278
	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
279
 
280
	/* high sh/mh */
281
	idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
282
	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
283
	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
284
	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
285
	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx =
286
		rdev->pm.power_state[idx].num_clock_modes - 1;
287
 
288
	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
289
	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
290
	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
291
	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx =
292
		rdev->pm.power_state[idx].num_clock_modes - 1;
293
}
294
 
295
/**
296
 * evergreen_pm_misc - set additional pm hw parameters callback.
297
 *
298
 * @rdev: radeon_device pointer
299
 *
300
 * Set non-clock parameters associated with a power state
301
 * (voltage, etc.) (evergreen+).
302
 */
1990 serge 303
void evergreen_pm_misc(struct radeon_device *rdev)
304
{
305
	int req_ps_idx = rdev->pm.requested_power_state_index;
306
	int req_cm_idx = rdev->pm.requested_clock_mode_index;
307
	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
308
	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
309
 
310
	if (voltage->type == VOLTAGE_SW) {
311
		/* 0xff01 is a flag rather then an actual voltage */
312
		if (voltage->voltage == 0xff01)
313
			return;
314
		if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) {
315
			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
316
			rdev->pm.current_vddc = voltage->voltage;
317
			DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage);
318
		}
319
		/* 0xff01 is a flag rather then an actual voltage */
320
		if (voltage->vddci == 0xff01)
321
			return;
322
		if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) {
323
			radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI);
324
			rdev->pm.current_vddci = voltage->vddci;
325
			DRM_DEBUG("Setting: vddci: %d\n", voltage->vddci);
326
		}
327
	}
328
}
329
 
2997 Serge 330
/**
331
 * evergreen_pm_prepare - pre-power state change callback.
332
 *
333
 * @rdev: radeon_device pointer
334
 *
335
 * Prepare for a power state change (evergreen+).
336
 */
1990 serge 337
void evergreen_pm_prepare(struct radeon_device *rdev)
338
{
339
	struct drm_device *ddev = rdev->ddev;
340
	struct drm_crtc *crtc;
341
	struct radeon_crtc *radeon_crtc;
342
	u32 tmp;
343
 
344
	/* disable any active CRTCs */
345
	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
346
		radeon_crtc = to_radeon_crtc(crtc);
347
		if (radeon_crtc->enabled) {
348
			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
349
			tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
350
			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
351
		}
352
	}
353
}
354
 
2997 Serge 355
/**
356
 * evergreen_pm_finish - post-power state change callback.
357
 *
358
 * @rdev: radeon_device pointer
359
 *
360
 * Clean up after a power state change (evergreen+).
361
 */
1990 serge 362
void evergreen_pm_finish(struct radeon_device *rdev)
363
{
364
	struct drm_device *ddev = rdev->ddev;
365
	struct drm_crtc *crtc;
366
	struct radeon_crtc *radeon_crtc;
367
	u32 tmp;
368
 
369
	/* enable any active CRTCs */
370
	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
371
		radeon_crtc = to_radeon_crtc(crtc);
372
		if (radeon_crtc->enabled) {
373
			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
374
			tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
375
			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
376
		}
377
	}
378
}
379
 
2997 Serge 380
/**
381
 * evergreen_hpd_sense - hpd sense callback.
382
 *
383
 * @rdev: radeon_device pointer
384
 * @hpd: hpd (hotplug detect) pin
385
 *
386
 * Checks if a digital monitor is connected (evergreen+).
387
 * Returns true if connected, false if not connected.
388
 */
1430 serge 389
bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
390
{
391
	bool connected = false;
1963 serge 392
 
393
	switch (hpd) {
394
	case RADEON_HPD_1:
395
		if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
396
			connected = true;
397
		break;
398
	case RADEON_HPD_2:
399
		if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
400
			connected = true;
401
		break;
402
	case RADEON_HPD_3:
403
		if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
404
			connected = true;
405
		break;
406
	case RADEON_HPD_4:
407
		if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
408
			connected = true;
409
		break;
410
	case RADEON_HPD_5:
411
		if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
412
			connected = true;
413
		break;
414
	case RADEON_HPD_6:
415
		if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
416
			connected = true;
417
			break;
418
	default:
419
		break;
420
	}
421
 
1430 serge 422
	return connected;
423
}
424
 
2997 Serge 425
/**
426
 * evergreen_hpd_set_polarity - hpd set polarity callback.
427
 *
428
 * @rdev: radeon_device pointer
429
 * @hpd: hpd (hotplug detect) pin
430
 *
431
 * Set the polarity of the hpd pin (evergreen+).
432
 */
1430 serge 433
void evergreen_hpd_set_polarity(struct radeon_device *rdev,
434
				enum radeon_hpd_id hpd)
435
{
1963 serge 436
	u32 tmp;
437
	bool connected = evergreen_hpd_sense(rdev, hpd);
438
 
439
	switch (hpd) {
440
	case RADEON_HPD_1:
441
		tmp = RREG32(DC_HPD1_INT_CONTROL);
442
		if (connected)
443
			tmp &= ~DC_HPDx_INT_POLARITY;
444
		else
445
			tmp |= DC_HPDx_INT_POLARITY;
446
		WREG32(DC_HPD1_INT_CONTROL, tmp);
447
		break;
448
	case RADEON_HPD_2:
449
		tmp = RREG32(DC_HPD2_INT_CONTROL);
450
		if (connected)
451
			tmp &= ~DC_HPDx_INT_POLARITY;
452
		else
453
			tmp |= DC_HPDx_INT_POLARITY;
454
		WREG32(DC_HPD2_INT_CONTROL, tmp);
455
		break;
456
	case RADEON_HPD_3:
457
		tmp = RREG32(DC_HPD3_INT_CONTROL);
458
		if (connected)
459
			tmp &= ~DC_HPDx_INT_POLARITY;
460
		else
461
			tmp |= DC_HPDx_INT_POLARITY;
462
		WREG32(DC_HPD3_INT_CONTROL, tmp);
463
		break;
464
	case RADEON_HPD_4:
465
		tmp = RREG32(DC_HPD4_INT_CONTROL);
466
		if (connected)
467
			tmp &= ~DC_HPDx_INT_POLARITY;
468
		else
469
			tmp |= DC_HPDx_INT_POLARITY;
470
		WREG32(DC_HPD4_INT_CONTROL, tmp);
471
		break;
472
	case RADEON_HPD_5:
473
		tmp = RREG32(DC_HPD5_INT_CONTROL);
474
		if (connected)
475
			tmp &= ~DC_HPDx_INT_POLARITY;
476
		else
477
			tmp |= DC_HPDx_INT_POLARITY;
478
		WREG32(DC_HPD5_INT_CONTROL, tmp);
479
			break;
480
	case RADEON_HPD_6:
481
		tmp = RREG32(DC_HPD6_INT_CONTROL);
482
		if (connected)
483
			tmp &= ~DC_HPDx_INT_POLARITY;
484
		else
485
			tmp |= DC_HPDx_INT_POLARITY;
486
		WREG32(DC_HPD6_INT_CONTROL, tmp);
487
		break;
488
	default:
489
		break;
490
	}
1430 serge 491
}
492
 
2997 Serge 493
/**
494
 * evergreen_hpd_init - hpd setup callback.
495
 *
496
 * @rdev: radeon_device pointer
497
 *
498
 * Setup the hpd pins used by the card (evergreen+).
499
 * Enable the pin, set the polarity, and enable the hpd interrupts.
500
 */
1430 serge 501
void evergreen_hpd_init(struct radeon_device *rdev)
502
{
1963 serge 503
	struct drm_device *dev = rdev->ddev;
504
	struct drm_connector *connector;
2997 Serge 505
	unsigned enabled = 0;
1963 serge 506
	u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
507
		DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
508
 
509
	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
510
		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
511
		switch (radeon_connector->hpd.hpd) {
512
		case RADEON_HPD_1:
513
			WREG32(DC_HPD1_CONTROL, tmp);
514
			break;
515
		case RADEON_HPD_2:
516
			WREG32(DC_HPD2_CONTROL, tmp);
517
			break;
518
		case RADEON_HPD_3:
519
			WREG32(DC_HPD3_CONTROL, tmp);
520
			break;
521
		case RADEON_HPD_4:
522
			WREG32(DC_HPD4_CONTROL, tmp);
523
			break;
524
		case RADEON_HPD_5:
525
			WREG32(DC_HPD5_CONTROL, tmp);
526
			break;
527
		case RADEON_HPD_6:
528
			WREG32(DC_HPD6_CONTROL, tmp);
529
			break;
530
		default:
531
			break;
532
		}
2997 Serge 533
		radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
534
		enabled |= 1 << radeon_connector->hpd.hpd;
1963 serge 535
	}
2997 Serge 536
//   radeon_irq_kms_enable_hpd(rdev, enabled);
1430 serge 537
}
538
 
2997 Serge 539
/**
540
 * evergreen_hpd_fini - hpd tear down callback.
541
 *
542
 * @rdev: radeon_device pointer
543
 *
544
 * Tear down the hpd pins used by the card (evergreen+).
545
 * Disable the hpd interrupts.
546
 */
1963 serge 547
void evergreen_hpd_fini(struct radeon_device *rdev)
548
{
549
	struct drm_device *dev = rdev->ddev;
550
	struct drm_connector *connector;
2997 Serge 551
	unsigned disabled = 0;
1430 serge 552
 
1963 serge 553
	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
554
		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
555
		switch (radeon_connector->hpd.hpd) {
556
		case RADEON_HPD_1:
557
			WREG32(DC_HPD1_CONTROL, 0);
558
			break;
559
		case RADEON_HPD_2:
560
			WREG32(DC_HPD2_CONTROL, 0);
561
			break;
562
		case RADEON_HPD_3:
563
			WREG32(DC_HPD3_CONTROL, 0);
564
			break;
565
		case RADEON_HPD_4:
566
			WREG32(DC_HPD4_CONTROL, 0);
567
			break;
568
		case RADEON_HPD_5:
569
			WREG32(DC_HPD5_CONTROL, 0);
570
			break;
571
		case RADEON_HPD_6:
572
			WREG32(DC_HPD6_CONTROL, 0);
573
			break;
574
		default:
575
			break;
576
		}
2997 Serge 577
		disabled |= 1 << radeon_connector->hpd.hpd;
1963 serge 578
	}
2997 Serge 579
//   radeon_irq_kms_disable_hpd(rdev, disabled);
1430 serge 580
}
581
 
1986 serge 582
/* watermark setup */
1963 serge 583
 
1986 serge 584
static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
585
					struct radeon_crtc *radeon_crtc,
586
					struct drm_display_mode *mode,
587
					struct drm_display_mode *other_mode)
588
{
589
	u32 tmp;
590
	/*
591
	 * Line Buffer Setup
592
	 * There are 3 line buffers, each one shared by 2 display controllers.
593
	 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
594
	 * the display controllers.  The paritioning is done via one of four
595
	 * preset allocations specified in bits 2:0:
596
	 * first display controller
597
	 *  0 - first half of lb (3840 * 2)
598
	 *  1 - first 3/4 of lb (5760 * 2)
599
	 *  2 - whole lb (7680 * 2), other crtc must be disabled
600
	 *  3 - first 1/4 of lb (1920 * 2)
601
	 * second display controller
602
	 *  4 - second half of lb (3840 * 2)
603
	 *  5 - second 3/4 of lb (5760 * 2)
604
	 *  6 - whole lb (7680 * 2), other crtc must be disabled
605
	 *  7 - last 1/4 of lb (1920 * 2)
606
	 */
607
	/* this can get tricky if we have two large displays on a paired group
608
	 * of crtcs.  Ideally for multiple large displays we'd assign them to
609
	 * non-linked crtcs for maximum line buffer allocation.
610
	 */
611
	if (radeon_crtc->base.enabled && mode) {
612
		if (other_mode)
613
			tmp = 0; /* 1/2 */
614
		else
615
			tmp = 2; /* whole */
616
	} else
617
		tmp = 0;
1963 serge 618
 
1986 serge 619
	/* second controller of the pair uses second half of the lb */
620
	if (radeon_crtc->crtc_id % 2)
621
		tmp += 4;
622
	WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);
623
 
624
	if (radeon_crtc->base.enabled && mode) {
625
		switch (tmp) {
626
		case 0:
627
		case 4:
628
		default:
629
			if (ASIC_IS_DCE5(rdev))
630
				return 4096 * 2;
631
			else
632
				return 3840 * 2;
633
		case 1:
634
		case 5:
635
			if (ASIC_IS_DCE5(rdev))
636
				return 6144 * 2;
637
			else
638
				return 5760 * 2;
639
		case 2:
640
		case 6:
641
			if (ASIC_IS_DCE5(rdev))
642
				return 8192 * 2;
643
			else
644
				return 7680 * 2;
645
		case 3:
646
		case 7:
647
			if (ASIC_IS_DCE5(rdev))
648
				return 2048 * 2;
649
			else
650
				return 1920 * 2;
651
		}
652
	}
653
 
654
	/* controller not enabled, so no lb used */
655
	return 0;
656
}
657
 
2997 Serge 658
u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev)
1986 serge 659
{
660
	u32 tmp = RREG32(MC_SHARED_CHMAP);
661
 
662
	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
663
	case 0:
664
	default:
665
		return 1;
666
	case 1:
667
		return 2;
668
	case 2:
669
		return 4;
670
	case 3:
671
		return 8;
672
	}
673
}
674
 
675
struct evergreen_wm_params {
676
	u32 dram_channels; /* number of dram channels */
677
	u32 yclk;          /* bandwidth per dram data pin in kHz */
678
	u32 sclk;          /* engine clock in kHz */
679
	u32 disp_clk;      /* display clock in kHz */
680
	u32 src_width;     /* viewport width */
681
	u32 active_time;   /* active display time in ns */
682
	u32 blank_time;    /* blank time in ns */
683
	bool interlaced;    /* mode is interlaced */
684
	fixed20_12 vsc;    /* vertical scale ratio */
685
	u32 num_heads;     /* number of active crtcs */
686
	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
687
	u32 lb_size;       /* line buffer allocated to pipe */
688
	u32 vtaps;         /* vertical scaler taps */
689
};
690
 
691
static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm)
692
{
693
	/* Calculate DRAM Bandwidth and the part allocated to display. */
694
	fixed20_12 dram_efficiency; /* 0.7 */
695
	fixed20_12 yclk, dram_channels, bandwidth;
696
	fixed20_12 a;
697
 
698
	a.full = dfixed_const(1000);
699
	yclk.full = dfixed_const(wm->yclk);
700
	yclk.full = dfixed_div(yclk, a);
701
	dram_channels.full = dfixed_const(wm->dram_channels * 4);
702
	a.full = dfixed_const(10);
703
	dram_efficiency.full = dfixed_const(7);
704
	dram_efficiency.full = dfixed_div(dram_efficiency, a);
705
	bandwidth.full = dfixed_mul(dram_channels, yclk);
706
	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
707
 
708
	return dfixed_trunc(bandwidth);
709
}
710
 
711
static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
712
{
713
	/* Calculate DRAM Bandwidth and the part allocated to display. */
714
	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
715
	fixed20_12 yclk, dram_channels, bandwidth;
716
	fixed20_12 a;
717
 
718
	a.full = dfixed_const(1000);
719
	yclk.full = dfixed_const(wm->yclk);
720
	yclk.full = dfixed_div(yclk, a);
721
	dram_channels.full = dfixed_const(wm->dram_channels * 4);
722
	a.full = dfixed_const(10);
723
	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
724
	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
725
	bandwidth.full = dfixed_mul(dram_channels, yclk);
726
	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
727
 
728
	return dfixed_trunc(bandwidth);
729
}
730
 
731
static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm)
732
{
733
	/* Calculate the display Data return Bandwidth */
734
	fixed20_12 return_efficiency; /* 0.8 */
735
	fixed20_12 sclk, bandwidth;
736
	fixed20_12 a;
737
 
738
	a.full = dfixed_const(1000);
739
	sclk.full = dfixed_const(wm->sclk);
740
	sclk.full = dfixed_div(sclk, a);
741
	a.full = dfixed_const(10);
742
	return_efficiency.full = dfixed_const(8);
743
	return_efficiency.full = dfixed_div(return_efficiency, a);
744
	a.full = dfixed_const(32);
745
	bandwidth.full = dfixed_mul(a, sclk);
746
	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
747
 
748
	return dfixed_trunc(bandwidth);
749
}
750
 
751
static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm)
752
{
753
	/* Calculate the DMIF Request Bandwidth */
754
	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
755
	fixed20_12 disp_clk, bandwidth;
756
	fixed20_12 a;
757
 
758
	a.full = dfixed_const(1000);
759
	disp_clk.full = dfixed_const(wm->disp_clk);
760
	disp_clk.full = dfixed_div(disp_clk, a);
761
	a.full = dfixed_const(10);
762
	disp_clk_request_efficiency.full = dfixed_const(8);
763
	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
764
	a.full = dfixed_const(32);
765
	bandwidth.full = dfixed_mul(a, disp_clk);
766
	bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency);
767
 
768
	return dfixed_trunc(bandwidth);
769
}
770
 
771
static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm)
772
{
773
	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
774
	u32 dram_bandwidth = evergreen_dram_bandwidth(wm);
775
	u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm);
776
	u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm);
777
 
778
	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
779
}
780
 
781
static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm)
782
{
783
	/* Calculate the display mode Average Bandwidth
784
	 * DisplayMode should contain the source and destination dimensions,
785
	 * timing, etc.
786
	 */
787
	fixed20_12 bpp;
788
	fixed20_12 line_time;
789
	fixed20_12 src_width;
790
	fixed20_12 bandwidth;
791
	fixed20_12 a;
792
 
793
	a.full = dfixed_const(1000);
794
	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
795
	line_time.full = dfixed_div(line_time, a);
796
	bpp.full = dfixed_const(wm->bytes_per_pixel);
797
	src_width.full = dfixed_const(wm->src_width);
798
	bandwidth.full = dfixed_mul(src_width, bpp);
799
	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
800
	bandwidth.full = dfixed_div(bandwidth, line_time);
801
 
802
	return dfixed_trunc(bandwidth);
803
}
804
 
805
static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm)
806
{
807
	/* First calcualte the latency in ns */
808
	u32 mc_latency = 2000; /* 2000 ns. */
809
	u32 available_bandwidth = evergreen_available_bandwidth(wm);
810
	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
811
	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
812
	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
813
	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
814
		(wm->num_heads * cursor_line_pair_return_time);
815
	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
816
	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
817
	fixed20_12 a, b, c;
818
 
819
	if (wm->num_heads == 0)
820
		return 0;
821
 
822
	a.full = dfixed_const(2);
823
	b.full = dfixed_const(1);
824
	if ((wm->vsc.full > a.full) ||
825
	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
826
	    (wm->vtaps >= 5) ||
827
	    ((wm->vsc.full >= a.full) && wm->interlaced))
828
		max_src_lines_per_dst_line = 4;
829
	else
830
		max_src_lines_per_dst_line = 2;
831
 
832
	a.full = dfixed_const(available_bandwidth);
833
	b.full = dfixed_const(wm->num_heads);
834
	a.full = dfixed_div(a, b);
835
 
836
	b.full = dfixed_const(1000);
837
	c.full = dfixed_const(wm->disp_clk);
838
	b.full = dfixed_div(c, b);
839
	c.full = dfixed_const(wm->bytes_per_pixel);
840
	b.full = dfixed_mul(b, c);
841
 
842
	lb_fill_bw = min(dfixed_trunc(a), dfixed_trunc(b));
843
 
844
	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
845
	b.full = dfixed_const(1000);
846
	c.full = dfixed_const(lb_fill_bw);
847
	b.full = dfixed_div(c, b);
848
	a.full = dfixed_div(a, b);
849
	line_fill_time = dfixed_trunc(a);
850
 
851
	if (line_fill_time < wm->active_time)
852
		return latency;
853
	else
854
		return latency + (line_fill_time - wm->active_time);
855
 
856
}
857
 
858
static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
859
{
860
	if (evergreen_average_bandwidth(wm) <=
861
	    (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads))
862
		return true;
863
	else
864
		return false;
865
};
866
 
867
static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm)
868
{
869
	if (evergreen_average_bandwidth(wm) <=
870
	    (evergreen_available_bandwidth(wm) / wm->num_heads))
871
		return true;
872
	else
873
		return false;
874
};
875
 
876
static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm)
877
{
878
	u32 lb_partitions = wm->lb_size / wm->src_width;
879
	u32 line_time = wm->active_time + wm->blank_time;
880
	u32 latency_tolerant_lines;
881
	u32 latency_hiding;
882
	fixed20_12 a;
883
 
884
	a.full = dfixed_const(1);
885
	if (wm->vsc.full > a.full)
886
		latency_tolerant_lines = 1;
887
	else {
888
		if (lb_partitions <= (wm->vtaps + 1))
889
			latency_tolerant_lines = 1;
890
		else
891
			latency_tolerant_lines = 2;
892
	}
893
 
894
	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
895
 
896
	if (evergreen_latency_watermark(wm) <= latency_hiding)
897
		return true;
898
	else
899
		return false;
900
}
901
 
902
static void evergreen_program_watermarks(struct radeon_device *rdev,
903
					 struct radeon_crtc *radeon_crtc,
904
					 u32 lb_size, u32 num_heads)
905
{
906
	struct drm_display_mode *mode = &radeon_crtc->base.mode;
907
	struct evergreen_wm_params wm;
908
	u32 pixel_period;
909
	u32 line_time = 0;
910
	u32 latency_watermark_a = 0, latency_watermark_b = 0;
911
	u32 priority_a_mark = 0, priority_b_mark = 0;
912
	u32 priority_a_cnt = PRIORITY_OFF;
913
	u32 priority_b_cnt = PRIORITY_OFF;
914
	u32 pipe_offset = radeon_crtc->crtc_id * 16;
915
	u32 tmp, arb_control3;
916
	fixed20_12 a, b, c;
917
 
918
	if (radeon_crtc->base.enabled && num_heads && mode) {
919
		pixel_period = 1000000 / (u32)mode->clock;
920
		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
921
		priority_a_cnt = 0;
922
		priority_b_cnt = 0;
923
 
924
		wm.yclk = rdev->pm.current_mclk * 10;
925
		wm.sclk = rdev->pm.current_sclk * 10;
926
		wm.disp_clk = mode->clock;
927
		wm.src_width = mode->crtc_hdisplay;
928
		wm.active_time = mode->crtc_hdisplay * pixel_period;
929
		wm.blank_time = line_time - wm.active_time;
930
		wm.interlaced = false;
931
		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
932
			wm.interlaced = true;
933
		wm.vsc = radeon_crtc->vsc;
934
		wm.vtaps = 1;
935
		if (radeon_crtc->rmx_type != RMX_OFF)
936
			wm.vtaps = 2;
937
		wm.bytes_per_pixel = 4; /* XXX: get this from fb config */
938
		wm.lb_size = lb_size;
939
		wm.dram_channels = evergreen_get_number_of_dram_channels(rdev);
940
		wm.num_heads = num_heads;
941
 
942
		/* set for high clocks */
943
		latency_watermark_a = min(evergreen_latency_watermark(&wm), (u32)65535);
944
		/* set for low clocks */
945
		/* wm.yclk = low clk; wm.sclk = low clk */
946
		latency_watermark_b = min(evergreen_latency_watermark(&wm), (u32)65535);
947
 
948
		/* possibly force display priority to high */
949
		/* should really do this at mode validation time... */
950
		if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm) ||
951
		    !evergreen_average_bandwidth_vs_available_bandwidth(&wm) ||
952
		    !evergreen_check_latency_hiding(&wm) ||
953
		    (rdev->disp_priority == 2)) {
2160 serge 954
			DRM_DEBUG_KMS("force priority to high\n");
1986 serge 955
			priority_a_cnt |= PRIORITY_ALWAYS_ON;
956
			priority_b_cnt |= PRIORITY_ALWAYS_ON;
957
		}
958
 
959
		a.full = dfixed_const(1000);
960
		b.full = dfixed_const(mode->clock);
961
		b.full = dfixed_div(b, a);
962
		c.full = dfixed_const(latency_watermark_a);
963
		c.full = dfixed_mul(c, b);
964
		c.full = dfixed_mul(c, radeon_crtc->hsc);
965
		c.full = dfixed_div(c, a);
966
		a.full = dfixed_const(16);
967
		c.full = dfixed_div(c, a);
968
		priority_a_mark = dfixed_trunc(c);
969
		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
970
 
971
		a.full = dfixed_const(1000);
972
		b.full = dfixed_const(mode->clock);
973
		b.full = dfixed_div(b, a);
974
		c.full = dfixed_const(latency_watermark_b);
975
		c.full = dfixed_mul(c, b);
976
		c.full = dfixed_mul(c, radeon_crtc->hsc);
977
		c.full = dfixed_div(c, a);
978
		a.full = dfixed_const(16);
979
		c.full = dfixed_div(c, a);
980
		priority_b_mark = dfixed_trunc(c);
981
		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
982
	}
983
 
984
	/* select wm A */
985
	arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
986
	tmp = arb_control3;
987
	tmp &= ~LATENCY_WATERMARK_MASK(3);
988
	tmp |= LATENCY_WATERMARK_MASK(1);
989
	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
990
	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
991
	       (LATENCY_LOW_WATERMARK(latency_watermark_a) |
992
		LATENCY_HIGH_WATERMARK(line_time)));
993
	/* select wm B */
994
	tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
995
	tmp &= ~LATENCY_WATERMARK_MASK(3);
996
	tmp |= LATENCY_WATERMARK_MASK(2);
997
	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
998
	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
999
	       (LATENCY_LOW_WATERMARK(latency_watermark_b) |
1000
		LATENCY_HIGH_WATERMARK(line_time)));
1001
	/* restore original selection */
1002
	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3);
1003
 
1004
	/* write the priority marks */
1005
	WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
1006
	WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
1007
 
1008
}
1009
 
2997 Serge 1010
/**
1011
 * evergreen_bandwidth_update - update display watermarks callback.
1012
 *
1013
 * @rdev: radeon_device pointer
1014
 *
1015
 * Update the display watermarks based on the requested mode(s)
1016
 * (evergreen+).
1017
 */
1963 serge 1018
void evergreen_bandwidth_update(struct radeon_device *rdev)
1430 serge 1019
{
1986 serge 1020
	struct drm_display_mode *mode0 = NULL;
1021
	struct drm_display_mode *mode1 = NULL;
1022
	u32 num_heads = 0, lb_size;
1023
	int i;
1024
 
1025
	radeon_update_display_priority(rdev);
1026
 
1027
	for (i = 0; i < rdev->num_crtc; i++) {
1028
		if (rdev->mode_info.crtcs[i]->base.enabled)
1029
			num_heads++;
1030
	}
1031
	for (i = 0; i < rdev->num_crtc; i += 2) {
1032
		mode0 = &rdev->mode_info.crtcs[i]->base.mode;
1033
		mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
1034
		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
1035
		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
1036
		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
1037
		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
1038
	}
1430 serge 1039
}
1040
 
2997 Serge 1041
/**
1042
 * evergreen_mc_wait_for_idle - wait for MC idle callback.
1043
 *
1044
 * @rdev: radeon_device pointer
1045
 *
1046
 * Wait for the MC (memory controller) to be idle.
1047
 * (evergreen+).
1048
 * Returns 0 if the MC is idle, -1 if not.
1049
 */
1963 serge 1050
int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
1430 serge 1051
{
1052
	unsigned i;
1053
	u32 tmp;
1054
 
1055
	for (i = 0; i < rdev->usec_timeout; i++) {
1056
		/* read MC_STATUS */
1057
		tmp = RREG32(SRBM_STATUS) & 0x1F00;
1058
		if (!tmp)
1059
			return 0;
1060
		udelay(1);
1061
	}
1062
	return -1;
1063
}
1064
 
1065
/*
1066
 * GART
1067
 */
1963 serge 1068
void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
1069
{
1070
	unsigned i;
1071
	u32 tmp;
1072
 
1073
	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1074
 
1075
	WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
1076
	for (i = 0; i < rdev->usec_timeout; i++) {
1077
		/* read MC_STATUS */
1078
		tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
1079
		tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
1080
		if (tmp == 2) {
1081
			printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
1082
			return;
1083
		}
1084
		if (tmp) {
1085
			return;
1086
		}
1087
		udelay(1);
1088
	}
1089
}
1090
 
2997 Serge 1091
static int evergreen_pcie_gart_enable(struct radeon_device *rdev)
1430 serge 1092
{
1093
	u32 tmp;
1963 serge 1094
	int r;
1430 serge 1095
 
2997 Serge 1096
	if (rdev->gart.robj == NULL) {
1430 serge 1097
		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1098
		return -EINVAL;
1099
	}
1100
	r = radeon_gart_table_vram_pin(rdev);
1101
	if (r)
1102
		return r;
1103
	radeon_gart_restore(rdev);
1104
	/* Setup L2 cache */
1105
	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1106
				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1107
				EFFECTIVE_L2_QUEUE_SIZE(7));
1108
	WREG32(VM_L2_CNTL2, 0);
1109
	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
1110
	/* Setup TLB control */
1111
	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1112
		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1113
		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
1114
		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
1963 serge 1115
	if (rdev->flags & RADEON_IS_IGP) {
1116
		WREG32(FUS_MC_VM_MD_L1_TLB0_CNTL, tmp);
1117
		WREG32(FUS_MC_VM_MD_L1_TLB1_CNTL, tmp);
1118
		WREG32(FUS_MC_VM_MD_L1_TLB2_CNTL, tmp);
1119
	} else {
3031 serge 1120
		WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
1121
		WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
1122
		WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2997 Serge 1123
		if ((rdev->family == CHIP_JUNIPER) ||
1124
		    (rdev->family == CHIP_CYPRESS) ||
1125
		    (rdev->family == CHIP_HEMLOCK) ||
1126
		    (rdev->family == CHIP_BARTS))
1127
			WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
1963 serge 1128
	}
1430 serge 1129
	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
1130
	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
1131
	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
1132
	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
1133
	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1134
	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1135
	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1136
	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1137
				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1138
	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1139
			(u32)(rdev->dummy_page.addr >> 12));
1963 serge 1140
	WREG32(VM_CONTEXT1_CNTL, 0);
1430 serge 1141
 
1963 serge 1142
	evergreen_pcie_gart_tlb_flush(rdev);
2997 Serge 1143
	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1144
		 (unsigned)(rdev->mc.gtt_size >> 20),
1145
		 (unsigned long long)rdev->gart.table_addr);
1430 serge 1146
	rdev->gart.ready = true;
1147
	return 0;
1148
}
1149
 
2997 Serge 1150
static void evergreen_pcie_gart_disable(struct radeon_device *rdev)
1430 serge 1151
{
1152
	u32 tmp;
1153
 
1154
	/* Disable all tables */
1963 serge 1155
	WREG32(VM_CONTEXT0_CNTL, 0);
1156
	WREG32(VM_CONTEXT1_CNTL, 0);
1430 serge 1157
 
1158
	/* Setup L2 cache */
1159
	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
1160
				EFFECTIVE_L2_QUEUE_SIZE(7));
1161
	WREG32(VM_L2_CNTL2, 0);
1162
	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
1163
	/* Setup TLB control */
1164
	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
1165
	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
1166
	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
1167
	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
1168
	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
1169
	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
1170
	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
1171
	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2997 Serge 1172
	radeon_gart_table_vram_unpin(rdev);
1430 serge 1173
}
1174
 
2997 Serge 1175
static void evergreen_pcie_gart_fini(struct radeon_device *rdev)
1430 serge 1176
{
1177
	evergreen_pcie_gart_disable(rdev);
1178
	radeon_gart_table_vram_free(rdev);
1179
	radeon_gart_fini(rdev);
1180
}
1181
 
1182
 
2997 Serge 1183
static void evergreen_agp_enable(struct radeon_device *rdev)
1430 serge 1184
{
1185
	u32 tmp;
1186
 
1187
	/* Setup L2 cache */
1188
	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1189
				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1190
				EFFECTIVE_L2_QUEUE_SIZE(7));
1191
	WREG32(VM_L2_CNTL2, 0);
1192
	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
1193
	/* Setup TLB control */
1194
	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1195
		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1196
		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
1197
		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
1198
	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
1199
	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
1200
	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
1201
	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
1202
	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
1203
	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
1204
	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
1963 serge 1205
	WREG32(VM_CONTEXT0_CNTL, 0);
1206
	WREG32(VM_CONTEXT1_CNTL, 0);
1430 serge 1207
}
1208
 
1963 serge 1209
void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
1430 serge 1210
{
2997 Serge 1211
	u32 crtc_enabled, tmp, frame_count, blackout;
1212
	int i, j;
1213
 
1430 serge 1214
	save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
1215
	save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
1216
 
2997 Serge 1217
	/* disable VGA render */
1430 serge 1218
	WREG32(VGA_RENDER_CONTROL, 0);
2997 Serge 1219
	/* blank the display controllers */
1220
	for (i = 0; i < rdev->num_crtc; i++) {
1221
		crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN;
1222
		if (crtc_enabled) {
1223
			save->crtc_enabled[i] = true;
1224
			if (ASIC_IS_DCE6(rdev)) {
1225
				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
1226
				if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
1227
					radeon_wait_for_vblank(rdev, i);
1228
					tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
1229
					WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
3031 serge 1230
				}
2997 Serge 1231
			} else {
1232
				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
1233
				if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
1234
					radeon_wait_for_vblank(rdev, i);
1235
					tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1236
					WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
3031 serge 1237
				}
1238
			}
2997 Serge 1239
			/* wait for the next frame */
1240
			frame_count = radeon_get_vblank_counter(rdev, i);
1241
			for (j = 0; j < rdev->usec_timeout; j++) {
1242
				if (radeon_get_vblank_counter(rdev, i) != frame_count)
1243
					break;
1244
				udelay(1);
3031 serge 1245
			}
3120 serge 1246
		} else {
1247
			save->crtc_enabled[i] = false;
3031 serge 1248
		}
1963 serge 1249
	}
1430 serge 1250
 
2997 Serge 1251
	radeon_mc_wait_for_idle(rdev);
1252
 
1253
	blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
1254
	if ((blackout & BLACKOUT_MODE_MASK) != 1) {
1255
		/* Block CPU access */
1256
		WREG32(BIF_FB_EN, 0);
1257
		/* blackout the MC */
1258
		blackout &= ~BLACKOUT_MODE_MASK;
1259
		WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
2005 serge 1260
	}
1430 serge 1261
}
1262
 
1963 serge 1263
void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
1430 serge 1264
{
2997 Serge 1265
	u32 tmp, frame_count;
1266
	int i, j;
1430 serge 1267
 
2997 Serge 1268
	/* update crtc base addresses */
1269
	for (i = 0; i < rdev->num_crtc; i++) {
1270
		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
3031 serge 1271
		       upper_32_bits(rdev->mc.vram_start));
2997 Serge 1272
		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
3031 serge 1273
		       upper_32_bits(rdev->mc.vram_start));
2997 Serge 1274
		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
3031 serge 1275
		       (u32)rdev->mc.vram_start);
2997 Serge 1276
		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
3031 serge 1277
		       (u32)rdev->mc.vram_start);
2997 Serge 1278
	}
1279
	WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
1280
	WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
1430 serge 1281
 
2997 Serge 1282
	/* unblackout the MC */
1283
	tmp = RREG32(MC_SHARED_BLACKOUT_CNTL);
1284
	tmp &= ~BLACKOUT_MODE_MASK;
1285
	WREG32(MC_SHARED_BLACKOUT_CNTL, tmp);
1286
	/* allow CPU access */
1287
	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
1430 serge 1288
 
2997 Serge 1289
	for (i = 0; i < rdev->num_crtc; i++) {
3031 serge 1290
		if (save->crtc_enabled[i]) {
2997 Serge 1291
			if (ASIC_IS_DCE6(rdev)) {
1292
				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
1293
				tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
1294
				WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
1295
			} else {
1296
				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
1297
				tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1298
				WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
1299
			}
1300
			/* wait for the next frame */
1301
			frame_count = radeon_get_vblank_counter(rdev, i);
1302
			for (j = 0; j < rdev->usec_timeout; j++) {
1303
				if (radeon_get_vblank_counter(rdev, i) != frame_count)
1304
					break;
1305
				udelay(1);
1306
			}
3031 serge 1307
		}
2005 serge 1308
	}
2997 Serge 1309
	/* Unlock vga access */
1430 serge 1310
	WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
1311
	mdelay(1);
1312
	WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
1313
}
1314
 
1963 serge 1315
void evergreen_mc_program(struct radeon_device *rdev)
1430 serge 1316
{
1317
	struct evergreen_mc_save save;
1318
	u32 tmp;
1319
	int i, j;
1320
 
1321
	/* Initialize HDP */
1322
	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1323
		WREG32((0x2c14 + j), 0x00000000);
1324
		WREG32((0x2c18 + j), 0x00000000);
1325
		WREG32((0x2c1c + j), 0x00000000);
1326
		WREG32((0x2c20 + j), 0x00000000);
1327
		WREG32((0x2c24 + j), 0x00000000);
1328
	}
1329
	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1330
 
1331
	evergreen_mc_stop(rdev, &save);
1332
	if (evergreen_mc_wait_for_idle(rdev)) {
1333
		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1334
	}
1335
	/* Lockout access through VGA aperture*/
1336
	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1337
	/* Update configuration */
1338
	if (rdev->flags & RADEON_IS_AGP) {
1339
		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1340
			/* VRAM before AGP */
1341
			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1342
				rdev->mc.vram_start >> 12);
1343
			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1344
				rdev->mc.gtt_end >> 12);
1345
		} else {
1346
			/* VRAM after AGP */
1347
			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1348
				rdev->mc.gtt_start >> 12);
1349
			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1350
				rdev->mc.vram_end >> 12);
1351
		}
1352
	} else {
1353
		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1354
			rdev->mc.vram_start >> 12);
1355
		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1356
			rdev->mc.vram_end >> 12);
1357
	}
2997 Serge 1358
	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1359
	/* llano/ontario only */
1360
	if ((rdev->family == CHIP_PALM) ||
1361
	    (rdev->family == CHIP_SUMO) ||
1362
	    (rdev->family == CHIP_SUMO2)) {
1963 serge 1363
		tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
1364
		tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
1365
		tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
1366
		WREG32(MC_FUS_VM_FB_OFFSET, tmp);
1367
	}
1430 serge 1368
	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1369
	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1370
	WREG32(MC_VM_FB_LOCATION, tmp);
1371
	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1963 serge 1372
	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
1373
	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1430 serge 1374
	if (rdev->flags & RADEON_IS_AGP) {
1375
		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
1376
		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
1377
		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1378
	} else {
1379
		WREG32(MC_VM_AGP_BASE, 0);
1380
		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1381
		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1382
	}
1383
	if (evergreen_mc_wait_for_idle(rdev)) {
1384
		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1385
	}
1386
	evergreen_mc_resume(rdev, &save);
1387
	/* we need to own VRAM, so turn off the VGA renderer here
1388
	 * to stop it overwriting our objects */
1389
	rv515_vga_render_disable(rdev);
1390
}
1391
 
1392
/*
1393
 * CP.
1394
 */
1986 serge 1395
void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1396
{
2997 Serge 1397
	struct radeon_ring *ring = &rdev->ring[ib->ring];
1398
	u32 next_rptr;
1399
 
1986 serge 1400
	/* set to DX10/11 mode */
2997 Serge 1401
	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1402
	radeon_ring_write(ring, 1);
1403
 
1404
	if (ring->rptr_save_reg) {
1405
		next_rptr = ring->wptr + 3 + 4;
1406
		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3031 serge 1407
		radeon_ring_write(ring, ((ring->rptr_save_reg -
2997 Serge 1408
					  PACKET3_SET_CONFIG_REG_START) >> 2));
1409
		radeon_ring_write(ring, next_rptr);
1410
	} else if (rdev->wb.enabled) {
1411
		next_rptr = ring->wptr + 5 + 4;
1412
		radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
1413
		radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
1414
		radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
1415
		radeon_ring_write(ring, next_rptr);
1416
		radeon_ring_write(ring, 0);
1417
	}
1418
 
1419
	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1420
	radeon_ring_write(ring,
1986 serge 1421
#ifdef __BIG_ENDIAN
1422
			  (2 << 0) |
1423
#endif
1424
			  (ib->gpu_addr & 0xFFFFFFFC));
2997 Serge 1425
	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1426
	radeon_ring_write(ring, ib->length_dw);
1986 serge 1427
}
1963 serge 1428
 
1986 serge 1429
 
1963 serge 1430
static int evergreen_cp_load_microcode(struct radeon_device *rdev)
1430 serge 1431
{
1963 serge 1432
	const __be32 *fw_data;
1433
	int i;
1434
 
1435
	if (!rdev->me_fw || !rdev->pfp_fw)
1436
		return -EINVAL;
1437
 
1438
	r700_cp_stop(rdev);
1439
	WREG32(CP_RB_CNTL,
1440
#ifdef __BIG_ENDIAN
1441
	       BUF_SWAP_32BIT |
1442
#endif
1443
	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
1444
 
1445
	fw_data = (const __be32 *)rdev->pfp_fw->data;
1446
	WREG32(CP_PFP_UCODE_ADDR, 0);
1447
	for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
1448
		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1449
	WREG32(CP_PFP_UCODE_ADDR, 0);
1450
 
1451
	fw_data = (const __be32 *)rdev->me_fw->data;
1452
	WREG32(CP_ME_RAM_WADDR, 0);
1453
	for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
1454
		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1455
 
1456
	WREG32(CP_PFP_UCODE_ADDR, 0);
1457
	WREG32(CP_ME_RAM_WADDR, 0);
1458
	WREG32(CP_ME_RAM_RADDR, 0);
1459
	return 0;
1430 serge 1460
}
1461
 
1963 serge 1462
static int evergreen_cp_start(struct radeon_device *rdev)
1463
{
2997 Serge 1464
	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1963 serge 1465
	int r, i;
1466
	uint32_t cp_me;
1430 serge 1467
 
2997 Serge 1468
	r = radeon_ring_lock(rdev, ring, 7);
1963 serge 1469
	if (r) {
1470
		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1471
		return r;
1472
	}
2997 Serge 1473
	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1474
	radeon_ring_write(ring, 0x1);
1475
	radeon_ring_write(ring, 0x0);
1476
	radeon_ring_write(ring, rdev->config.evergreen.max_hw_contexts - 1);
1477
	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1478
	radeon_ring_write(ring, 0);
1479
	radeon_ring_write(ring, 0);
1480
	radeon_ring_unlock_commit(rdev, ring);
1963 serge 1481
 
1482
	cp_me = 0xff;
1483
	WREG32(CP_ME_CNTL, cp_me);
1484
 
2997 Serge 1485
	r = radeon_ring_lock(rdev, ring, evergreen_default_size + 19);
1963 serge 1486
	if (r) {
1487
		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1488
		return r;
1489
	}
1490
 
1491
	/* setup clear context state */
2997 Serge 1492
	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1493
	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1963 serge 1494
 
1495
	for (i = 0; i < evergreen_default_size; i++)
2997 Serge 1496
		radeon_ring_write(ring, evergreen_default_state[i]);
1963 serge 1497
 
2997 Serge 1498
	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1499
	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1963 serge 1500
 
1501
	/* set clear context state */
2997 Serge 1502
	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1503
	radeon_ring_write(ring, 0);
1963 serge 1504
 
1505
	/* SQ_VTX_BASE_VTX_LOC */
2997 Serge 1506
	radeon_ring_write(ring, 0xc0026f00);
1507
	radeon_ring_write(ring, 0x00000000);
1508
	radeon_ring_write(ring, 0x00000000);
1509
	radeon_ring_write(ring, 0x00000000);
1963 serge 1510
 
1511
	/* Clear consts */
2997 Serge 1512
	radeon_ring_write(ring, 0xc0036f00);
1513
	radeon_ring_write(ring, 0x00000bc4);
1514
	radeon_ring_write(ring, 0xffffffff);
1515
	radeon_ring_write(ring, 0xffffffff);
1516
	radeon_ring_write(ring, 0xffffffff);
1963 serge 1517
 
2997 Serge 1518
	radeon_ring_write(ring, 0xc0026900);
1519
	radeon_ring_write(ring, 0x00000316);
1520
	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1521
	radeon_ring_write(ring, 0x00000010); /*  */
1963 serge 1522
 
2997 Serge 1523
	radeon_ring_unlock_commit(rdev, ring);
1963 serge 1524
 
1525
	return 0;
1526
}
1527
 
2997 Serge 1528
static int evergreen_cp_resume(struct radeon_device *rdev)
1430 serge 1529
{
2997 Serge 1530
	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1963 serge 1531
	u32 tmp;
1532
	u32 rb_bufsz;
1533
	int r;
1430 serge 1534
 
1963 serge 1535
	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1536
	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1537
				 SOFT_RESET_PA |
1538
				 SOFT_RESET_SH |
1539
				 SOFT_RESET_VGT |
2160 serge 1540
				 SOFT_RESET_SPI |
1963 serge 1541
				 SOFT_RESET_SX));
1542
	RREG32(GRBM_SOFT_RESET);
1543
	mdelay(15);
1544
	WREG32(GRBM_SOFT_RESET, 0);
1545
	RREG32(GRBM_SOFT_RESET);
1546
 
1547
	/* Set ring buffer size */
2997 Serge 1548
	rb_bufsz = drm_order(ring->ring_size / 8);
1963 serge 1549
	tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1550
#ifdef __BIG_ENDIAN
1551
	tmp |= BUF_SWAP_32BIT;
1552
#endif
1553
	WREG32(CP_RB_CNTL, tmp);
2997 Serge 1554
	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1555
	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1963 serge 1556
 
1557
	/* Set the write pointer delay */
1558
	WREG32(CP_RB_WPTR_DELAY, 0);
1559
 
1560
	/* Initialize the ring buffer's read and write pointers */
1561
	WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
1562
	WREG32(CP_RB_RPTR_WR, 0);
2997 Serge 1563
	ring->wptr = 0;
1564
	WREG32(CP_RB_WPTR, ring->wptr);
1963 serge 1565
 
3120 serge 1566
	/* set the wb address whether it's enabled or not */
1963 serge 1567
	WREG32(CP_RB_RPTR_ADDR,
1568
	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
1569
	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1570
	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1571
 
1572
	if (rdev->wb.enabled)
1573
		WREG32(SCRATCH_UMSK, 0xff);
1574
	else {
1575
		tmp |= RB_NO_UPDATE;
1576
		WREG32(SCRATCH_UMSK, 0);
1577
	}
1578
 
1579
	mdelay(1);
1580
	WREG32(CP_RB_CNTL, tmp);
1581
 
2997 Serge 1582
	WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
1963 serge 1583
	WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
1584
 
2997 Serge 1585
	ring->rptr = RREG32(CP_RB_RPTR);
1963 serge 1586
 
1587
	evergreen_cp_start(rdev);
2997 Serge 1588
	ring->ready = true;
1589
	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1963 serge 1590
	if (r) {
2997 Serge 1591
		ring->ready = false;
1963 serge 1592
		return r;
1593
	}
1430 serge 1594
	return 0;
1595
}
1596
 
1597
/*
1598
 * Core functions
1599
 */
1600
static void evergreen_gpu_init(struct radeon_device *rdev)
1601
{
2997 Serge 1602
	u32 gb_addr_config;
1963 serge 1603
	u32 mc_shared_chmap, mc_arb_ramcfg;
1604
	u32 sx_debug_1;
1605
	u32 smx_dc_ctl0;
1606
	u32 sq_config;
1607
	u32 sq_lds_resource_mgmt;
1608
	u32 sq_gpr_resource_mgmt_1;
1609
	u32 sq_gpr_resource_mgmt_2;
1610
	u32 sq_gpr_resource_mgmt_3;
1611
	u32 sq_thread_resource_mgmt;
1612
	u32 sq_thread_resource_mgmt_2;
1613
	u32 sq_stack_resource_mgmt_1;
1614
	u32 sq_stack_resource_mgmt_2;
1615
	u32 sq_stack_resource_mgmt_3;
1616
	u32 vgt_cache_invalidation;
1617
	u32 hdp_host_path_cntl, tmp;
2997 Serge 1618
	u32 disabled_rb_mask;
1963 serge 1619
	int i, j, num_shader_engines, ps_thread_count;
1620
 
1621
	switch (rdev->family) {
1622
	case CHIP_CYPRESS:
1623
	case CHIP_HEMLOCK:
1624
		rdev->config.evergreen.num_ses = 2;
1625
		rdev->config.evergreen.max_pipes = 4;
1626
		rdev->config.evergreen.max_tile_pipes = 8;
1627
		rdev->config.evergreen.max_simds = 10;
1628
		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1629
		rdev->config.evergreen.max_gprs = 256;
1630
		rdev->config.evergreen.max_threads = 248;
1631
		rdev->config.evergreen.max_gs_threads = 32;
1632
		rdev->config.evergreen.max_stack_entries = 512;
1633
		rdev->config.evergreen.sx_num_of_sets = 4;
1634
		rdev->config.evergreen.sx_max_export_size = 256;
1635
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1636
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1637
		rdev->config.evergreen.max_hw_contexts = 8;
1638
		rdev->config.evergreen.sq_num_cf_insts = 2;
1639
 
1640
		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1641
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1642
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1643
		gb_addr_config = CYPRESS_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1644
		break;
1645
	case CHIP_JUNIPER:
1646
		rdev->config.evergreen.num_ses = 1;
1647
		rdev->config.evergreen.max_pipes = 4;
1648
		rdev->config.evergreen.max_tile_pipes = 4;
1649
		rdev->config.evergreen.max_simds = 10;
1650
		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1651
		rdev->config.evergreen.max_gprs = 256;
1652
		rdev->config.evergreen.max_threads = 248;
1653
		rdev->config.evergreen.max_gs_threads = 32;
1654
		rdev->config.evergreen.max_stack_entries = 512;
1655
		rdev->config.evergreen.sx_num_of_sets = 4;
1656
		rdev->config.evergreen.sx_max_export_size = 256;
1657
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1658
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1659
		rdev->config.evergreen.max_hw_contexts = 8;
1660
		rdev->config.evergreen.sq_num_cf_insts = 2;
1661
 
1662
		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1663
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1664
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1665
		gb_addr_config = JUNIPER_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1666
		break;
1667
	case CHIP_REDWOOD:
1668
		rdev->config.evergreen.num_ses = 1;
1669
		rdev->config.evergreen.max_pipes = 4;
1670
		rdev->config.evergreen.max_tile_pipes = 4;
1671
		rdev->config.evergreen.max_simds = 5;
1672
		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1673
		rdev->config.evergreen.max_gprs = 256;
1674
		rdev->config.evergreen.max_threads = 248;
1675
		rdev->config.evergreen.max_gs_threads = 32;
1676
		rdev->config.evergreen.max_stack_entries = 256;
1677
		rdev->config.evergreen.sx_num_of_sets = 4;
1678
		rdev->config.evergreen.sx_max_export_size = 256;
1679
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1680
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1681
		rdev->config.evergreen.max_hw_contexts = 8;
1682
		rdev->config.evergreen.sq_num_cf_insts = 2;
1683
 
1684
		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1685
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1686
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1687
		gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1688
		break;
1689
	case CHIP_CEDAR:
1690
	default:
1691
		rdev->config.evergreen.num_ses = 1;
1692
		rdev->config.evergreen.max_pipes = 2;
1693
		rdev->config.evergreen.max_tile_pipes = 2;
1694
		rdev->config.evergreen.max_simds = 2;
1695
		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1696
		rdev->config.evergreen.max_gprs = 256;
1697
		rdev->config.evergreen.max_threads = 192;
1698
		rdev->config.evergreen.max_gs_threads = 16;
1699
		rdev->config.evergreen.max_stack_entries = 256;
1700
		rdev->config.evergreen.sx_num_of_sets = 4;
1701
		rdev->config.evergreen.sx_max_export_size = 128;
1702
		rdev->config.evergreen.sx_max_export_pos_size = 32;
1703
		rdev->config.evergreen.sx_max_export_smx_size = 96;
1704
		rdev->config.evergreen.max_hw_contexts = 4;
1705
		rdev->config.evergreen.sq_num_cf_insts = 1;
1706
 
1707
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1708
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1709
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1710
		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1711
		break;
1712
	case CHIP_PALM:
1713
		rdev->config.evergreen.num_ses = 1;
1714
		rdev->config.evergreen.max_pipes = 2;
1715
		rdev->config.evergreen.max_tile_pipes = 2;
1716
		rdev->config.evergreen.max_simds = 2;
1717
		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1718
		rdev->config.evergreen.max_gprs = 256;
1719
		rdev->config.evergreen.max_threads = 192;
1720
		rdev->config.evergreen.max_gs_threads = 16;
1721
		rdev->config.evergreen.max_stack_entries = 256;
1722
		rdev->config.evergreen.sx_num_of_sets = 4;
1723
		rdev->config.evergreen.sx_max_export_size = 128;
1724
		rdev->config.evergreen.sx_max_export_pos_size = 32;
1725
		rdev->config.evergreen.sx_max_export_smx_size = 96;
1726
		rdev->config.evergreen.max_hw_contexts = 4;
1727
		rdev->config.evergreen.sq_num_cf_insts = 1;
1728
 
1729
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1730
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1731
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1732
		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1733
		break;
1734
	case CHIP_SUMO:
1735
		rdev->config.evergreen.num_ses = 1;
1736
		rdev->config.evergreen.max_pipes = 4;
1737
		rdev->config.evergreen.max_tile_pipes = 2;
1738
		if (rdev->pdev->device == 0x9648)
1739
			rdev->config.evergreen.max_simds = 3;
1740
		else if ((rdev->pdev->device == 0x9647) ||
1741
			 (rdev->pdev->device == 0x964a))
1742
			rdev->config.evergreen.max_simds = 4;
1743
		else
1744
			rdev->config.evergreen.max_simds = 5;
1745
		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1746
		rdev->config.evergreen.max_gprs = 256;
1747
		rdev->config.evergreen.max_threads = 248;
1748
		rdev->config.evergreen.max_gs_threads = 32;
1749
		rdev->config.evergreen.max_stack_entries = 256;
1750
		rdev->config.evergreen.sx_num_of_sets = 4;
1751
		rdev->config.evergreen.sx_max_export_size = 256;
1752
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1753
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1754
		rdev->config.evergreen.max_hw_contexts = 8;
1755
		rdev->config.evergreen.sq_num_cf_insts = 2;
1756
 
1757
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1758
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1759
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1760
		gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1761
		break;
1762
	case CHIP_SUMO2:
1763
		rdev->config.evergreen.num_ses = 1;
1764
		rdev->config.evergreen.max_pipes = 4;
1765
		rdev->config.evergreen.max_tile_pipes = 4;
1766
		rdev->config.evergreen.max_simds = 2;
1767
		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1768
		rdev->config.evergreen.max_gprs = 256;
1769
		rdev->config.evergreen.max_threads = 248;
1770
		rdev->config.evergreen.max_gs_threads = 32;
1771
		rdev->config.evergreen.max_stack_entries = 512;
1772
		rdev->config.evergreen.sx_num_of_sets = 4;
1773
		rdev->config.evergreen.sx_max_export_size = 256;
1774
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1775
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1776
		rdev->config.evergreen.max_hw_contexts = 8;
1777
		rdev->config.evergreen.sq_num_cf_insts = 2;
1778
 
1779
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1780
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1781
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1782
		gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1783
		break;
1784
	case CHIP_BARTS:
1785
		rdev->config.evergreen.num_ses = 2;
1786
		rdev->config.evergreen.max_pipes = 4;
1787
		rdev->config.evergreen.max_tile_pipes = 8;
1788
		rdev->config.evergreen.max_simds = 7;
1789
		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1790
		rdev->config.evergreen.max_gprs = 256;
1791
		rdev->config.evergreen.max_threads = 248;
1792
		rdev->config.evergreen.max_gs_threads = 32;
1793
		rdev->config.evergreen.max_stack_entries = 512;
1794
		rdev->config.evergreen.sx_num_of_sets = 4;
1795
		rdev->config.evergreen.sx_max_export_size = 256;
1796
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1797
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1798
		rdev->config.evergreen.max_hw_contexts = 8;
1799
		rdev->config.evergreen.sq_num_cf_insts = 2;
1800
 
1801
		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1802
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1803
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1804
		gb_addr_config = BARTS_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1805
		break;
1806
	case CHIP_TURKS:
1807
		rdev->config.evergreen.num_ses = 1;
1808
		rdev->config.evergreen.max_pipes = 4;
1809
		rdev->config.evergreen.max_tile_pipes = 4;
1810
		rdev->config.evergreen.max_simds = 6;
1811
		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1812
		rdev->config.evergreen.max_gprs = 256;
1813
		rdev->config.evergreen.max_threads = 248;
1814
		rdev->config.evergreen.max_gs_threads = 32;
1815
		rdev->config.evergreen.max_stack_entries = 256;
1816
		rdev->config.evergreen.sx_num_of_sets = 4;
1817
		rdev->config.evergreen.sx_max_export_size = 256;
1818
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1819
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1820
		rdev->config.evergreen.max_hw_contexts = 8;
1821
		rdev->config.evergreen.sq_num_cf_insts = 2;
1822
 
1823
		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1824
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1825
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1826
		gb_addr_config = TURKS_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1827
		break;
1828
	case CHIP_CAICOS:
1829
		rdev->config.evergreen.num_ses = 1;
1830
		rdev->config.evergreen.max_pipes = 4;
1831
		rdev->config.evergreen.max_tile_pipes = 2;
1832
		rdev->config.evergreen.max_simds = 2;
1833
		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1834
		rdev->config.evergreen.max_gprs = 256;
1835
		rdev->config.evergreen.max_threads = 192;
1836
		rdev->config.evergreen.max_gs_threads = 16;
1837
		rdev->config.evergreen.max_stack_entries = 256;
1838
		rdev->config.evergreen.sx_num_of_sets = 4;
1839
		rdev->config.evergreen.sx_max_export_size = 128;
1840
		rdev->config.evergreen.sx_max_export_pos_size = 32;
1841
		rdev->config.evergreen.sx_max_export_smx_size = 96;
1842
		rdev->config.evergreen.max_hw_contexts = 4;
1843
		rdev->config.evergreen.sq_num_cf_insts = 1;
1844
 
1845
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1846
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1847
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1848
		gb_addr_config = CAICOS_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1849
		break;
1850
	}
1851
 
1852
	/* Initialize HDP */
1853
	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1854
		WREG32((0x2c14 + j), 0x00000000);
1855
		WREG32((0x2c18 + j), 0x00000000);
1856
		WREG32((0x2c1c + j), 0x00000000);
1857
		WREG32((0x2c20 + j), 0x00000000);
1858
		WREG32((0x2c24 + j), 0x00000000);
1859
	}
1860
 
1861
	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1862
 
2997 Serge 1863
	evergreen_fix_pci_max_read_req_size(rdev);
1963 serge 1864
 
1865
	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
2997 Serge 1866
	if ((rdev->family == CHIP_PALM) ||
1867
	    (rdev->family == CHIP_SUMO) ||
1868
	    (rdev->family == CHIP_SUMO2))
1963 serge 1869
		mc_arb_ramcfg = RREG32(FUS_MC_ARB_RAMCFG);
1870
	else
3031 serge 1871
		mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1963 serge 1872
 
1873
	/* setup tiling info dword.  gb_addr_config is not adequate since it does
1874
	 * not have bank info, so create a custom tiling dword.
1875
	 * bits 3:0   num_pipes
1876
	 * bits 7:4   num_banks
1877
	 * bits 11:8  group_size
1878
	 * bits 15:12 row_size
1879
	 */
1880
	rdev->config.evergreen.tile_config = 0;
1881
	switch (rdev->config.evergreen.max_tile_pipes) {
1882
	case 1:
1883
	default:
1884
		rdev->config.evergreen.tile_config |= (0 << 0);
1885
		break;
1886
	case 2:
1887
		rdev->config.evergreen.tile_config |= (1 << 0);
1888
		break;
1889
	case 4:
1890
		rdev->config.evergreen.tile_config |= (2 << 0);
1891
		break;
1892
	case 8:
1893
		rdev->config.evergreen.tile_config |= (3 << 0);
1894
		break;
1895
	}
1986 serge 1896
	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1963 serge 1897
	if (rdev->flags & RADEON_IS_IGP)
1986 serge 1898
		rdev->config.evergreen.tile_config |= 1 << 4;
2997 Serge 1899
	else {
1900
		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1901
		case 0: /* four banks */
1902
			rdev->config.evergreen.tile_config |= 0 << 4;
1903
			break;
1904
		case 1: /* eight banks */
1905
			rdev->config.evergreen.tile_config |= 1 << 4;
1906
			break;
1907
		case 2: /* sixteen banks */
1908
		default:
1909
			rdev->config.evergreen.tile_config |= 2 << 4;
1910
			break;
1911
		}
1912
	}
1913
	rdev->config.evergreen.tile_config |= 0 << 8;
1963 serge 1914
	rdev->config.evergreen.tile_config |=
1915
		((gb_addr_config & 0x30000000) >> 28) << 12;
1916
 
2997 Serge 1917
	num_shader_engines = (gb_addr_config & NUM_SHADER_ENGINES(3) >> 12) + 1;
1963 serge 1918
 
2997 Serge 1919
	if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) {
1920
		u32 efuse_straps_4;
1921
		u32 efuse_straps_3;
1963 serge 1922
 
2997 Serge 1923
		WREG32(RCU_IND_INDEX, 0x204);
1924
		efuse_straps_4 = RREG32(RCU_IND_DATA);
1925
		WREG32(RCU_IND_INDEX, 0x203);
1926
		efuse_straps_3 = RREG32(RCU_IND_DATA);
1927
		tmp = (((efuse_straps_4 & 0xf) << 4) |
1928
		      ((efuse_straps_3 & 0xf0000000) >> 28));
1929
	} else {
1930
		tmp = 0;
1931
		for (i = (rdev->config.evergreen.num_ses - 1); i >= 0; i--) {
1932
			u32 rb_disable_bitmap;
1963 serge 1933
 
2997 Serge 1934
			WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1935
			WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1936
			rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1937
			tmp <<= 4;
1938
			tmp |= rb_disable_bitmap;
1963 serge 1939
		}
2997 Serge 1940
	}
1941
	/* enabled rb are just the one not disabled :) */
1942
	disabled_rb_mask = tmp;
1963 serge 1943
 
2997 Serge 1944
	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1945
	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1963 serge 1946
 
2997 Serge 1947
	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1948
	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1949
	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1963 serge 1950
 
2997 Serge 1951
	tmp = gb_addr_config & NUM_PIPES_MASK;
1952
	tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
1953
					EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
1954
	WREG32(GB_BACKEND_MAP, tmp);
1963 serge 1955
 
1956
	WREG32(CGTS_SYS_TCC_DISABLE, 0);
1957
	WREG32(CGTS_TCC_DISABLE, 0);
1958
	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1959
	WREG32(CGTS_USER_TCC_DISABLE, 0);
1960
 
1961
	/* set HW defaults for 3D engine */
1962
	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1963
				     ROQ_IB2_START(0x2b)));
1964
 
1965
	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1966
 
1967
	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
1968
			     SYNC_GRADIENT |
1969
			     SYNC_WALKER |
1970
			     SYNC_ALIGNER));
1971
 
1972
	sx_debug_1 = RREG32(SX_DEBUG_1);
1973
	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1974
	WREG32(SX_DEBUG_1, sx_debug_1);
1975
 
1976
 
1977
	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1978
	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1979
	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
1980
	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1981
 
2997 Serge 1982
	if (rdev->family <= CHIP_SUMO2)
1983
		WREG32(SMX_SAR_CTL0, 0x00010000);
1984
 
1963 serge 1985
	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
1986
					POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
1987
					SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
1988
 
1989
	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
1990
				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
1991
				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
1992
 
1993
	WREG32(VGT_NUM_INSTANCES, 1);
1994
	WREG32(SPI_CONFIG_CNTL, 0);
1995
	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1996
	WREG32(CP_PERFMON_CNTL, 0);
1997
 
1998
	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
1999
				  FETCH_FIFO_HIWATER(0x4) |
2000
				  DONE_FIFO_HIWATER(0xe0) |
2001
				  ALU_UPDATE_FIFO_HIWATER(0x8)));
2002
 
2003
	sq_config = RREG32(SQ_CONFIG);
2004
	sq_config &= ~(PS_PRIO(3) |
2005
		       VS_PRIO(3) |
2006
		       GS_PRIO(3) |
2007
		       ES_PRIO(3));
2008
	sq_config |= (VC_ENABLE |
2009
		      EXPORT_SRC_C |
2010
		      PS_PRIO(0) |
2011
		      VS_PRIO(1) |
2012
		      GS_PRIO(2) |
2013
		      ES_PRIO(3));
2014
 
2015
	switch (rdev->family) {
2016
	case CHIP_CEDAR:
2017
	case CHIP_PALM:
2018
	case CHIP_SUMO:
2019
	case CHIP_SUMO2:
2020
	case CHIP_CAICOS:
2021
		/* no vertex cache */
2022
		sq_config &= ~VC_ENABLE;
2023
		break;
2024
	default:
2025
		break;
2026
	}
2027
 
2028
	sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
2029
 
2030
	sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
2031
	sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
2032
	sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
2033
	sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
2034
	sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
2035
	sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
2036
	sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
2037
 
2038
	switch (rdev->family) {
2039
	case CHIP_CEDAR:
2040
	case CHIP_PALM:
2041
	case CHIP_SUMO:
2042
	case CHIP_SUMO2:
2043
		ps_thread_count = 96;
2044
		break;
2045
	default:
2046
		ps_thread_count = 128;
2047
		break;
2048
	}
2049
 
2050
	sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
2051
	sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2052
	sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2053
	sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2054
	sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2055
	sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2056
 
2057
	sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2058
	sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2059
	sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2060
	sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2061
	sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2062
	sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2063
 
2064
	WREG32(SQ_CONFIG, sq_config);
2065
	WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
2066
	WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
2067
	WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
2068
	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2069
	WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
2070
	WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2071
	WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2072
	WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
2073
	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
2074
	WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
2075
 
2076
	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
2077
					  FORCE_EOV_MAX_REZ_CNT(255)));
2078
 
2079
	switch (rdev->family) {
2080
	case CHIP_CEDAR:
2081
	case CHIP_PALM:
2082
	case CHIP_SUMO:
2083
	case CHIP_SUMO2:
2084
	case CHIP_CAICOS:
2085
		vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
2086
		break;
2087
	default:
2088
		vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
2089
		break;
2090
	}
2091
	vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
2092
	WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
2093
 
2094
	WREG32(VGT_GS_VERTEX_REUSE, 16);
2095
	WREG32(PA_SU_LINE_STIPPLE_VALUE, 0);
2096
	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2097
 
2098
	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
2099
	WREG32(VGT_OUT_DEALLOC_CNTL, 16);
2100
 
2101
	WREG32(CB_PERF_CTR0_SEL_0, 0);
2102
	WREG32(CB_PERF_CTR0_SEL_1, 0);
2103
	WREG32(CB_PERF_CTR1_SEL_0, 0);
2104
	WREG32(CB_PERF_CTR1_SEL_1, 0);
2105
	WREG32(CB_PERF_CTR2_SEL_0, 0);
2106
	WREG32(CB_PERF_CTR2_SEL_1, 0);
2107
	WREG32(CB_PERF_CTR3_SEL_0, 0);
2108
	WREG32(CB_PERF_CTR3_SEL_1, 0);
2109
 
2110
	/* clear render buffer base addresses */
2111
	WREG32(CB_COLOR0_BASE, 0);
2112
	WREG32(CB_COLOR1_BASE, 0);
2113
	WREG32(CB_COLOR2_BASE, 0);
2114
	WREG32(CB_COLOR3_BASE, 0);
2115
	WREG32(CB_COLOR4_BASE, 0);
2116
	WREG32(CB_COLOR5_BASE, 0);
2117
	WREG32(CB_COLOR6_BASE, 0);
2118
	WREG32(CB_COLOR7_BASE, 0);
2119
	WREG32(CB_COLOR8_BASE, 0);
2120
	WREG32(CB_COLOR9_BASE, 0);
2121
	WREG32(CB_COLOR10_BASE, 0);
2122
	WREG32(CB_COLOR11_BASE, 0);
2123
 
2124
	/* set the shader const cache sizes to 0 */
2125
	for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
2126
		WREG32(i, 0);
2127
	for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
2128
		WREG32(i, 0);
2129
 
2130
	tmp = RREG32(HDP_MISC_CNTL);
2131
	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
2132
	WREG32(HDP_MISC_CNTL, tmp);
2133
 
2134
	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
2135
	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
2136
 
2137
	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
2138
 
2139
	udelay(50);
2140
 
1430 serge 2141
}
2142
 
2143
int evergreen_mc_init(struct radeon_device *rdev)
2144
{
2145
	u32 tmp;
2146
	int chansize, numchan;
2147
 
2148
	/* Get VRAM informations */
2149
	rdev->mc.vram_is_ddr = true;
2997 Serge 2150
	if ((rdev->family == CHIP_PALM) ||
2151
	    (rdev->family == CHIP_SUMO) ||
2152
	    (rdev->family == CHIP_SUMO2))
2004 serge 2153
		tmp = RREG32(FUS_MC_ARB_RAMCFG);
2154
	else
3031 serge 2155
		tmp = RREG32(MC_ARB_RAMCFG);
1430 serge 2156
	if (tmp & CHANSIZE_OVERRIDE) {
2157
		chansize = 16;
2158
	} else if (tmp & CHANSIZE_MASK) {
2159
		chansize = 64;
2160
	} else {
2161
		chansize = 32;
2162
	}
2163
	tmp = RREG32(MC_SHARED_CHMAP);
2164
	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
2165
	case 0:
2166
	default:
2167
		numchan = 1;
2168
		break;
2169
	case 1:
2170
		numchan = 2;
2171
		break;
2172
	case 2:
2173
		numchan = 4;
2174
		break;
2175
	case 3:
2176
		numchan = 8;
2177
		break;
2178
	}
2179
	rdev->mc.vram_width = numchan * chansize;
2180
	/* Could aper size report 0 ? */
1963 serge 2181
	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2182
	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1430 serge 2183
	/* Setup GPU memory space */
2997 Serge 2184
	if ((rdev->family == CHIP_PALM) ||
2185
	    (rdev->family == CHIP_SUMO) ||
2186
	    (rdev->family == CHIP_SUMO2)) {
1963 serge 2187
		/* size in bytes on fusion */
2188
		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
2189
		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
2190
	} else {
2997 Serge 2191
		/* size in MB on evergreen/cayman/tn */
3031 serge 2192
		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
2193
		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
1963 serge 2194
	}
1430 serge 2195
	rdev->mc.visible_vram_size = rdev->mc.aper_size;
1963 serge 2196
	r700_vram_gtt_location(rdev, &rdev->mc);
2197
	radeon_update_bandwidth_info(rdev);
2198
 
1430 serge 2199
	return 0;
2200
}
2201
 
2997 Serge 2202
bool evergreen_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1430 serge 2203
{
1986 serge 2204
	u32 srbm_status;
2205
	u32 grbm_status;
2206
	u32 grbm_status_se0, grbm_status_se1;
2207
 
2208
	srbm_status = RREG32(SRBM_STATUS);
2209
	grbm_status = RREG32(GRBM_STATUS);
2210
	grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
2211
	grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
2212
	if (!(grbm_status & GUI_ACTIVE)) {
2997 Serge 2213
		radeon_ring_lockup_update(ring);
3031 serge 2214
		return false;
1986 serge 2215
	}
2216
	/* force CP activities */
2997 Serge 2217
	radeon_ring_force_activity(rdev, ring);
2218
	return radeon_ring_test_lockup(rdev, ring);
1963 serge 2219
}
2220
 
2221
static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
2222
{
2223
	struct evergreen_mc_save save;
2224
	u32 grbm_reset = 0;
2225
 
2226
	if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
2227
		return 0;
2228
 
2229
	dev_info(rdev->dev, "GPU softreset \n");
2230
	dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
2231
		RREG32(GRBM_STATUS));
2232
	dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
2233
		RREG32(GRBM_STATUS_SE0));
2234
	dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
2235
		RREG32(GRBM_STATUS_SE1));
2236
	dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
2237
		RREG32(SRBM_STATUS));
2997 Serge 2238
	dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
2239
		RREG32(CP_STALLED_STAT1));
2240
	dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
2241
		RREG32(CP_STALLED_STAT2));
2242
	dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
2243
		RREG32(CP_BUSY_STAT));
2244
	dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
2245
		RREG32(CP_STAT));
1963 serge 2246
	evergreen_mc_stop(rdev, &save);
2247
	if (evergreen_mc_wait_for_idle(rdev)) {
2248
		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2249
	}
2250
	/* Disable CP parsing/prefetching */
2251
	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
2252
 
2253
	/* reset all the gfx blocks */
2254
	grbm_reset = (SOFT_RESET_CP |
2255
		      SOFT_RESET_CB |
2256
		      SOFT_RESET_DB |
2257
		      SOFT_RESET_PA |
2258
		      SOFT_RESET_SC |
2259
		      SOFT_RESET_SPI |
2260
		      SOFT_RESET_SH |
2261
		      SOFT_RESET_SX |
2262
		      SOFT_RESET_TC |
2263
		      SOFT_RESET_TA |
2264
		      SOFT_RESET_VC |
2265
		      SOFT_RESET_VGT);
2266
 
2267
	dev_info(rdev->dev, "  GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
2268
	WREG32(GRBM_SOFT_RESET, grbm_reset);
2269
	(void)RREG32(GRBM_SOFT_RESET);
2270
	udelay(50);
2271
	WREG32(GRBM_SOFT_RESET, 0);
2272
	(void)RREG32(GRBM_SOFT_RESET);
2273
	/* Wait a little for things to settle down */
2274
	udelay(50);
2275
	dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
2276
		RREG32(GRBM_STATUS));
2277
	dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
2278
		RREG32(GRBM_STATUS_SE0));
2279
	dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
2280
		RREG32(GRBM_STATUS_SE1));
2281
	dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
2282
		RREG32(SRBM_STATUS));
2997 Serge 2283
	dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
2284
		RREG32(CP_STALLED_STAT1));
2285
	dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
2286
		RREG32(CP_STALLED_STAT2));
2287
	dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
2288
		RREG32(CP_BUSY_STAT));
2289
	dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
2290
		RREG32(CP_STAT));
1963 serge 2291
	evergreen_mc_resume(rdev, &save);
1430 serge 2292
	return 0;
2293
}
2294
 
1963 serge 2295
int evergreen_asic_reset(struct radeon_device *rdev)
2296
{
2297
	return evergreen_gpu_soft_reset(rdev);
2298
}
2299
 
2300
/* Interrupts */
2301
 
2302
u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
2303
{
2997 Serge 2304
	if (crtc >= rdev->num_crtc)
3031 serge 2305
		return 0;
2997 Serge 2306
	else
2307
		return RREG32(CRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
1963 serge 2308
}
2309
 
2310
void evergreen_disable_interrupt_state(struct radeon_device *rdev)
2311
{
2312
	u32 tmp;
2313
 
2997 Serge 2314
	if (rdev->family >= CHIP_CAYMAN) {
2315
		cayman_cp_int_cntl_setup(rdev, 0,
2316
					 CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2317
		cayman_cp_int_cntl_setup(rdev, 1, 0);
2318
		cayman_cp_int_cntl_setup(rdev, 2, 0);
2319
	} else
3031 serge 2320
		WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
1963 serge 2321
	WREG32(GRBM_INT_CNTL, 0);
2322
	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
2323
	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
2005 serge 2324
	if (rdev->num_crtc >= 4) {
3031 serge 2325
		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
2326
		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
2005 serge 2327
	}
2328
	if (rdev->num_crtc >= 6) {
3031 serge 2329
		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
2330
		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1963 serge 2331
	}
2332
 
2333
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
2334
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
2005 serge 2335
	if (rdev->num_crtc >= 4) {
3031 serge 2336
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
2337
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
2005 serge 2338
	}
2339
	if (rdev->num_crtc >= 6) {
3031 serge 2340
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
2341
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1963 serge 2342
	}
2343
 
2997 Serge 2344
	/* only one DAC on DCE6 */
2345
	if (!ASIC_IS_DCE6(rdev))
3031 serge 2346
		WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
1963 serge 2347
	WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
2348
 
2349
	tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2350
	WREG32(DC_HPD1_INT_CONTROL, tmp);
2351
	tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2352
	WREG32(DC_HPD2_INT_CONTROL, tmp);
2353
	tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2354
	WREG32(DC_HPD3_INT_CONTROL, tmp);
2355
	tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2356
	WREG32(DC_HPD4_INT_CONTROL, tmp);
2357
	tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2358
	WREG32(DC_HPD5_INT_CONTROL, tmp);
2359
	tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2360
	WREG32(DC_HPD6_INT_CONTROL, tmp);
2361
 
2362
}
2005 serge 2363
 
2364
int evergreen_irq_set(struct radeon_device *rdev)
2365
{
2366
	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
2997 Serge 2367
	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
2005 serge 2368
	u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
2369
	u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
2370
	u32 grbm_int_cntl = 0;
2371
	u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0;
2997 Serge 2372
	u32 afmt1 = 0, afmt2 = 0, afmt3 = 0, afmt4 = 0, afmt5 = 0, afmt6 = 0;
2005 serge 2373
 
2374
	if (!rdev->irq.installed) {
2375
		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
2376
		return -EINVAL;
2377
	}
2378
	/* don't enable anything if the ih is disabled */
2379
	if (!rdev->ih.enabled) {
2380
		r600_disable_interrupts(rdev);
2381
		/* force the active interrupt state to all disabled */
2382
		evergreen_disable_interrupt_state(rdev);
2383
		return 0;
2384
	}
2385
 
2386
	hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
2387
	hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
2388
	hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
2389
	hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
2390
	hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
2391
	hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
2392
 
2997 Serge 2393
	afmt1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2394
	afmt2 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2395
	afmt3 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2396
	afmt4 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2397
	afmt5 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2398
	afmt6 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2399
 
2400
	if (rdev->family >= CHIP_CAYMAN) {
2401
		/* enable CP interrupts on all rings */
2402
		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
2403
			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
2404
			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
2405
		}
2406
		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
2407
			DRM_DEBUG("evergreen_irq_set: sw int cp1\n");
2408
			cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
2409
		}
2410
		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
2411
			DRM_DEBUG("evergreen_irq_set: sw int cp2\n");
2412
			cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
2413
		}
2414
	} else {
2415
		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
2416
			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
3031 serge 2417
			cp_int_cntl |= RB_INT_ENABLE;
2418
			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
2419
		}
2005 serge 2420
	}
2997 Serge 2421
 
2005 serge 2422
	if (rdev->irq.crtc_vblank_int[0] ||
2997 Serge 2423
	    atomic_read(&rdev->irq.pflip[0])) {
2005 serge 2424
		DRM_DEBUG("evergreen_irq_set: vblank 0\n");
2425
		crtc1 |= VBLANK_INT_MASK;
2426
	}
2427
	if (rdev->irq.crtc_vblank_int[1] ||
2997 Serge 2428
	    atomic_read(&rdev->irq.pflip[1])) {
2005 serge 2429
		DRM_DEBUG("evergreen_irq_set: vblank 1\n");
2430
		crtc2 |= VBLANK_INT_MASK;
2431
	}
2432
	if (rdev->irq.crtc_vblank_int[2] ||
2997 Serge 2433
	    atomic_read(&rdev->irq.pflip[2])) {
2005 serge 2434
		DRM_DEBUG("evergreen_irq_set: vblank 2\n");
2435
		crtc3 |= VBLANK_INT_MASK;
2436
	}
2437
	if (rdev->irq.crtc_vblank_int[3] ||
2997 Serge 2438
	    atomic_read(&rdev->irq.pflip[3])) {
2005 serge 2439
		DRM_DEBUG("evergreen_irq_set: vblank 3\n");
2440
		crtc4 |= VBLANK_INT_MASK;
2441
	}
2442
	if (rdev->irq.crtc_vblank_int[4] ||
2997 Serge 2443
	    atomic_read(&rdev->irq.pflip[4])) {
2005 serge 2444
		DRM_DEBUG("evergreen_irq_set: vblank 4\n");
2445
		crtc5 |= VBLANK_INT_MASK;
2446
	}
2447
	if (rdev->irq.crtc_vblank_int[5] ||
2997 Serge 2448
	    atomic_read(&rdev->irq.pflip[5])) {
2005 serge 2449
		DRM_DEBUG("evergreen_irq_set: vblank 5\n");
2450
		crtc6 |= VBLANK_INT_MASK;
2451
	}
2452
	if (rdev->irq.hpd[0]) {
2453
		DRM_DEBUG("evergreen_irq_set: hpd 1\n");
2454
		hpd1 |= DC_HPDx_INT_EN;
2455
	}
2456
	if (rdev->irq.hpd[1]) {
2457
		DRM_DEBUG("evergreen_irq_set: hpd 2\n");
2458
		hpd2 |= DC_HPDx_INT_EN;
2459
	}
2460
	if (rdev->irq.hpd[2]) {
2461
		DRM_DEBUG("evergreen_irq_set: hpd 3\n");
2462
		hpd3 |= DC_HPDx_INT_EN;
2463
	}
2464
	if (rdev->irq.hpd[3]) {
2465
		DRM_DEBUG("evergreen_irq_set: hpd 4\n");
2466
		hpd4 |= DC_HPDx_INT_EN;
2467
	}
2468
	if (rdev->irq.hpd[4]) {
2469
		DRM_DEBUG("evergreen_irq_set: hpd 5\n");
2470
		hpd5 |= DC_HPDx_INT_EN;
2471
	}
2472
	if (rdev->irq.hpd[5]) {
2473
		DRM_DEBUG("evergreen_irq_set: hpd 6\n");
2474
		hpd6 |= DC_HPDx_INT_EN;
2475
	}
2997 Serge 2476
	if (rdev->irq.afmt[0]) {
2477
		DRM_DEBUG("evergreen_irq_set: hdmi 0\n");
2478
		afmt1 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2005 serge 2479
	}
2997 Serge 2480
	if (rdev->irq.afmt[1]) {
2481
		DRM_DEBUG("evergreen_irq_set: hdmi 1\n");
2482
		afmt2 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2483
	}
2484
	if (rdev->irq.afmt[2]) {
2485
		DRM_DEBUG("evergreen_irq_set: hdmi 2\n");
2486
		afmt3 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2487
	}
2488
	if (rdev->irq.afmt[3]) {
2489
		DRM_DEBUG("evergreen_irq_set: hdmi 3\n");
2490
		afmt4 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2491
	}
2492
	if (rdev->irq.afmt[4]) {
2493
		DRM_DEBUG("evergreen_irq_set: hdmi 4\n");
2494
		afmt5 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2495
	}
2496
	if (rdev->irq.afmt[5]) {
2497
		DRM_DEBUG("evergreen_irq_set: hdmi 5\n");
2498
		afmt6 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2499
	}
2005 serge 2500
 
2997 Serge 2501
	if (rdev->family >= CHIP_CAYMAN) {
2502
		cayman_cp_int_cntl_setup(rdev, 0, cp_int_cntl);
2503
		cayman_cp_int_cntl_setup(rdev, 1, cp_int_cntl1);
2504
		cayman_cp_int_cntl_setup(rdev, 2, cp_int_cntl2);
2505
	} else
3031 serge 2506
		WREG32(CP_INT_CNTL, cp_int_cntl);
2005 serge 2507
	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
2508
 
2509
	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
2510
	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
2511
	if (rdev->num_crtc >= 4) {
2512
		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
2513
		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
2514
	}
2515
	if (rdev->num_crtc >= 6) {
2516
		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
2517
		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
2518
	}
2519
 
2520
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1);
2521
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2);
2522
	if (rdev->num_crtc >= 4) {
2523
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3);
2524
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4);
2525
	}
2526
	if (rdev->num_crtc >= 6) {
2527
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5);
2528
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6);
2529
	}
2530
 
2531
	WREG32(DC_HPD1_INT_CONTROL, hpd1);
2532
	WREG32(DC_HPD2_INT_CONTROL, hpd2);
2533
	WREG32(DC_HPD3_INT_CONTROL, hpd3);
2534
	WREG32(DC_HPD4_INT_CONTROL, hpd4);
2535
	WREG32(DC_HPD5_INT_CONTROL, hpd5);
2536
	WREG32(DC_HPD6_INT_CONTROL, hpd6);
2537
 
2997 Serge 2538
	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, afmt1);
2539
	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, afmt2);
2540
	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, afmt3);
2541
	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, afmt4);
2542
	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, afmt5);
2543
	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, afmt6);
2544
 
2005 serge 2545
	return 0;
2546
}
2547
 
2997 Serge 2548
static void evergreen_irq_ack(struct radeon_device *rdev)
2005 serge 2549
{
2550
	u32 tmp;
2551
 
2552
	rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
2553
	rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
2554
	rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
2555
	rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
2556
	rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
2557
	rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
2558
	rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
2559
	rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
2560
	if (rdev->num_crtc >= 4) {
2561
		rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
2562
		rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
2563
	}
2564
	if (rdev->num_crtc >= 6) {
2565
		rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
2566
		rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
2567
	}
2568
 
2997 Serge 2569
	rdev->irq.stat_regs.evergreen.afmt_status1 = RREG32(AFMT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
2570
	rdev->irq.stat_regs.evergreen.afmt_status2 = RREG32(AFMT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
2571
	rdev->irq.stat_regs.evergreen.afmt_status3 = RREG32(AFMT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
2572
	rdev->irq.stat_regs.evergreen.afmt_status4 = RREG32(AFMT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
2573
	rdev->irq.stat_regs.evergreen.afmt_status5 = RREG32(AFMT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
2574
	rdev->irq.stat_regs.evergreen.afmt_status6 = RREG32(AFMT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
2575
 
2005 serge 2576
	if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
2577
		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2578
	if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
2579
		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2580
	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
2581
		WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
2582
	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
2583
		WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
2584
	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
2585
		WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
2586
	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
2587
		WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
2588
 
2589
	if (rdev->num_crtc >= 4) {
2590
		if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
2591
			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2592
		if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
2593
			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2594
		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
2595
			WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
2596
		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
2597
			WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
2598
		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
2599
			WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
2600
		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
2601
			WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
2602
	}
2603
 
2604
	if (rdev->num_crtc >= 6) {
2605
		if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
2606
			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2607
		if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
2608
			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2609
		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
2610
			WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
2611
		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
2612
			WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
2613
		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
2614
			WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
2615
		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
2616
			WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
2617
	}
2618
 
2619
	if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
2620
		tmp = RREG32(DC_HPD1_INT_CONTROL);
2621
		tmp |= DC_HPDx_INT_ACK;
2622
		WREG32(DC_HPD1_INT_CONTROL, tmp);
2623
	}
2624
	if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
2625
		tmp = RREG32(DC_HPD2_INT_CONTROL);
2626
		tmp |= DC_HPDx_INT_ACK;
2627
		WREG32(DC_HPD2_INT_CONTROL, tmp);
2628
	}
2629
	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
2630
		tmp = RREG32(DC_HPD3_INT_CONTROL);
2631
		tmp |= DC_HPDx_INT_ACK;
2632
		WREG32(DC_HPD3_INT_CONTROL, tmp);
2633
	}
2634
	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
2635
		tmp = RREG32(DC_HPD4_INT_CONTROL);
2636
		tmp |= DC_HPDx_INT_ACK;
2637
		WREG32(DC_HPD4_INT_CONTROL, tmp);
2638
	}
2639
	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
2640
		tmp = RREG32(DC_HPD5_INT_CONTROL);
2641
		tmp |= DC_HPDx_INT_ACK;
2642
		WREG32(DC_HPD5_INT_CONTROL, tmp);
2643
	}
2644
	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
2645
		tmp = RREG32(DC_HPD5_INT_CONTROL);
2646
		tmp |= DC_HPDx_INT_ACK;
2647
		WREG32(DC_HPD6_INT_CONTROL, tmp);
2648
	}
2997 Serge 2649
	if (rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG) {
2650
		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
2651
		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2652
		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, tmp);
2653
	}
2654
	if (rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG) {
2655
		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
2656
		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2657
		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, tmp);
2658
	}
2659
	if (rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG) {
2660
		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
2661
		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2662
		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, tmp);
2663
	}
2664
	if (rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG) {
2665
		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
2666
		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2667
		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, tmp);
2668
	}
2669
	if (rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG) {
2670
		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
2671
		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2672
		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, tmp);
2673
	}
2674
	if (rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG) {
2675
		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
2676
		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2677
		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, tmp);
2678
	}
2005 serge 2679
}
2997 Serge 2680
 
2681
static void evergreen_irq_disable(struct radeon_device *rdev)
2005 serge 2682
{
2997 Serge 2683
	r600_disable_interrupts(rdev);
2684
	/* Wait and acknowledge irq */
2685
	mdelay(1);
2686
	evergreen_irq_ack(rdev);
2687
	evergreen_disable_interrupt_state(rdev);
2688
}
2689
 
2690
void evergreen_irq_suspend(struct radeon_device *rdev)
2691
{
2692
	evergreen_irq_disable(rdev);
2693
	r600_rlc_stop(rdev);
2694
}
2695
 
2696
static u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
2697
{
2005 serge 2698
	u32 wptr, tmp;
2699
 
2700
	if (rdev->wb.enabled)
2701
		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
2702
	else
2703
		wptr = RREG32(IH_RB_WPTR);
2704
 
2705
	if (wptr & RB_OVERFLOW) {
2706
		/* When a ring buffer overflow happen start parsing interrupt
2707
		 * from the last not overwritten vector (wptr + 16). Hopefully
2708
		 * this should allow us to catchup.
2709
		 */
2710
		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
2711
			wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
2712
		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
2713
		tmp = RREG32(IH_RB_CNTL);
2714
		tmp |= IH_WPTR_OVERFLOW_CLEAR;
2715
		WREG32(IH_RB_CNTL, tmp);
2716
	}
2717
	return (wptr & rdev->ih.ptr_mask);
2718
}
2719
 
2720
int evergreen_irq_process(struct radeon_device *rdev)
2721
{
2722
	u32 wptr;
2723
	u32 rptr;
2724
	u32 src_id, src_data;
2725
	u32 ring_index;
2726
	bool queue_hotplug = false;
2997 Serge 2727
	bool queue_hdmi = false;
2005 serge 2728
 
2729
	if (!rdev->ih.enabled || rdev->shutdown)
2730
		return IRQ_NONE;
2731
 
2732
	wptr = evergreen_get_ih_wptr(rdev);
2997 Serge 2733
 
2734
restart_ih:
2735
	/* is somebody else already processing irqs? */
2736
	if (atomic_xchg(&rdev->ih.lock, 1))
2737
		return IRQ_NONE;
2738
 
2005 serge 2739
	rptr = rdev->ih.rptr;
2740
	DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
2741
 
2175 serge 2742
	/* Order reading of wptr vs. reading of IH ring data */
2743
	rmb();
2744
 
2005 serge 2745
	/* display interrupts */
2746
	evergreen_irq_ack(rdev);
2747
 
2748
	while (rptr != wptr) {
2749
		/* wptr/rptr are in bytes! */
2750
		ring_index = rptr / 4;
2751
		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
2752
		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
2753
 
2754
		switch (src_id) {
2755
		case 1: /* D1 vblank/vline */
2756
			switch (src_data) {
2757
			case 0: /* D1 vblank */
2758
				if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) {
2759
					if (rdev->irq.crtc_vblank_int[0]) {
2760
				//		drm_handle_vblank(rdev->ddev, 0);
2761
						rdev->pm.vblank_sync = true;
2762
				//		wake_up(&rdev->irq.vblank_queue);
2763
					}
2764
				//	if (rdev->irq.pflip[0])
2765
				//		radeon_crtc_handle_flip(rdev, 0);
2766
					rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
2767
					DRM_DEBUG("IH: D1 vblank\n");
2768
				}
2769
				break;
2770
			case 1: /* D1 vline */
2771
				if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) {
2772
					rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
2773
					DRM_DEBUG("IH: D1 vline\n");
2774
				}
2775
				break;
2776
			default:
2777
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2778
				break;
2779
			}
2780
			break;
2781
		case 2: /* D2 vblank/vline */
2782
			switch (src_data) {
2783
			case 0: /* D2 vblank */
2784
				if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
2785
					if (rdev->irq.crtc_vblank_int[1]) {
2786
				//		drm_handle_vblank(rdev->ddev, 1);
2787
						rdev->pm.vblank_sync = true;
2788
				//		wake_up(&rdev->irq.vblank_queue);
2789
					}
2790
			//		if (rdev->irq.pflip[1])
2791
			//			radeon_crtc_handle_flip(rdev, 1);
2792
					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
2793
					DRM_DEBUG("IH: D2 vblank\n");
2794
				}
2795
				break;
2796
			case 1: /* D2 vline */
2797
				if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) {
2798
					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
2799
					DRM_DEBUG("IH: D2 vline\n");
2800
				}
2801
				break;
2802
			default:
2803
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2804
				break;
2805
			}
2806
			break;
2807
		case 3: /* D3 vblank/vline */
2808
			switch (src_data) {
2809
			case 0: /* D3 vblank */
2810
				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
2811
					if (rdev->irq.crtc_vblank_int[2]) {
2812
				//		drm_handle_vblank(rdev->ddev, 2);
2813
						rdev->pm.vblank_sync = true;
2814
				//		wake_up(&rdev->irq.vblank_queue);
2815
					}
2816
				//	if (rdev->irq.pflip[2])
2817
				//		radeon_crtc_handle_flip(rdev, 2);
2818
					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
2819
					DRM_DEBUG("IH: D3 vblank\n");
2820
				}
2821
				break;
2822
			case 1: /* D3 vline */
2823
				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
2824
					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
2825
					DRM_DEBUG("IH: D3 vline\n");
2826
				}
2827
				break;
2828
			default:
2829
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2830
				break;
2831
			}
2832
			break;
2833
		case 4: /* D4 vblank/vline */
2834
			switch (src_data) {
2835
			case 0: /* D4 vblank */
2836
				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
2837
					if (rdev->irq.crtc_vblank_int[3]) {
2838
					//	drm_handle_vblank(rdev->ddev, 3);
2839
						rdev->pm.vblank_sync = true;
2840
					//	wake_up(&rdev->irq.vblank_queue);
2841
					}
2842
		//			if (rdev->irq.pflip[3])
2843
		//				radeon_crtc_handle_flip(rdev, 3);
2844
					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
2845
					DRM_DEBUG("IH: D4 vblank\n");
2846
				}
2847
				break;
2848
			case 1: /* D4 vline */
2849
				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
2850
					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
2851
					DRM_DEBUG("IH: D4 vline\n");
2852
				}
2853
				break;
2854
			default:
2855
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2856
				break;
2857
			}
2858
			break;
2859
		case 5: /* D5 vblank/vline */
2860
			switch (src_data) {
2861
			case 0: /* D5 vblank */
2862
				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
2863
					if (rdev->irq.crtc_vblank_int[4]) {
2864
//						drm_handle_vblank(rdev->ddev, 4);
2865
						rdev->pm.vblank_sync = true;
2866
//						wake_up(&rdev->irq.vblank_queue);
2867
					}
2868
//					if (rdev->irq.pflip[4])
2869
//						radeon_crtc_handle_flip(rdev, 4);
2870
					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
2871
					DRM_DEBUG("IH: D5 vblank\n");
2872
				}
2873
				break;
2874
			case 1: /* D5 vline */
2875
				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
2876
					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
2877
					DRM_DEBUG("IH: D5 vline\n");
2878
				}
2879
				break;
2880
			default:
2881
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2882
				break;
2883
			}
2884
			break;
2885
		case 6: /* D6 vblank/vline */
2886
			switch (src_data) {
2887
			case 0: /* D6 vblank */
2888
				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
2889
					if (rdev->irq.crtc_vblank_int[5]) {
2890
				//		drm_handle_vblank(rdev->ddev, 5);
2891
						rdev->pm.vblank_sync = true;
2892
				//		wake_up(&rdev->irq.vblank_queue);
2893
					}
2894
			//		if (rdev->irq.pflip[5])
2895
			//			radeon_crtc_handle_flip(rdev, 5);
2896
					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
2897
					DRM_DEBUG("IH: D6 vblank\n");
2898
				}
2899
				break;
2900
			case 1: /* D6 vline */
2901
				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
2902
					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
2903
					DRM_DEBUG("IH: D6 vline\n");
2904
				}
2905
				break;
2906
			default:
2907
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2908
				break;
2909
			}
2910
			break;
2911
		case 42: /* HPD hotplug */
2912
			switch (src_data) {
2913
			case 0:
2914
				if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
2915
					rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
2916
					queue_hotplug = true;
2917
					DRM_DEBUG("IH: HPD1\n");
2918
				}
2919
				break;
2920
			case 1:
2921
				if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
2922
					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
2923
					queue_hotplug = true;
2924
					DRM_DEBUG("IH: HPD2\n");
2925
				}
2926
				break;
2927
			case 2:
2928
				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
2929
					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
2930
					queue_hotplug = true;
2931
					DRM_DEBUG("IH: HPD3\n");
2932
				}
2933
				break;
2934
			case 3:
2935
				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
2936
					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
2937
					queue_hotplug = true;
2938
					DRM_DEBUG("IH: HPD4\n");
2939
				}
2940
				break;
2941
			case 4:
2942
				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
2943
					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
2944
					queue_hotplug = true;
2945
					DRM_DEBUG("IH: HPD5\n");
2946
				}
2947
				break;
2948
			case 5:
2949
				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
2950
					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
2951
					queue_hotplug = true;
2952
					DRM_DEBUG("IH: HPD6\n");
2953
				}
2954
				break;
2955
			default:
2956
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2957
				break;
2958
			}
2959
			break;
2997 Serge 2960
		case 44: /* hdmi */
2961
			switch (src_data) {
2962
			case 0:
2963
				if (rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG) {
2964
					rdev->irq.stat_regs.evergreen.afmt_status1 &= ~AFMT_AZ_FORMAT_WTRIG;
2965
					queue_hdmi = true;
2966
					DRM_DEBUG("IH: HDMI0\n");
2967
				}
2968
				break;
2969
			case 1:
2970
				if (rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG) {
2971
					rdev->irq.stat_regs.evergreen.afmt_status2 &= ~AFMT_AZ_FORMAT_WTRIG;
2972
					queue_hdmi = true;
2973
					DRM_DEBUG("IH: HDMI1\n");
2974
				}
2975
				break;
2976
			case 2:
2977
				if (rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG) {
2978
					rdev->irq.stat_regs.evergreen.afmt_status3 &= ~AFMT_AZ_FORMAT_WTRIG;
2979
					queue_hdmi = true;
2980
					DRM_DEBUG("IH: HDMI2\n");
2981
				}
2982
				break;
2983
			case 3:
2984
				if (rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG) {
2985
					rdev->irq.stat_regs.evergreen.afmt_status4 &= ~AFMT_AZ_FORMAT_WTRIG;
2986
					queue_hdmi = true;
2987
					DRM_DEBUG("IH: HDMI3\n");
2988
				}
2989
				break;
2990
			case 4:
2991
				if (rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG) {
2992
					rdev->irq.stat_regs.evergreen.afmt_status5 &= ~AFMT_AZ_FORMAT_WTRIG;
2993
					queue_hdmi = true;
2994
					DRM_DEBUG("IH: HDMI4\n");
2995
				}
2996
				break;
2997
			case 5:
2998
				if (rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG) {
2999
					rdev->irq.stat_regs.evergreen.afmt_status6 &= ~AFMT_AZ_FORMAT_WTRIG;
3000
					queue_hdmi = true;
3001
					DRM_DEBUG("IH: HDMI5\n");
3002
				}
3003
				break;
3004
			default:
3005
				DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
3006
				break;
3007
			}
3008
			break;
2005 serge 3009
		case 176: /* CP_INT in ring buffer */
3010
		case 177: /* CP_INT in IB1 */
3011
		case 178: /* CP_INT in IB2 */
3012
			DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
2997 Serge 3013
			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
2005 serge 3014
			break;
3015
		case 181: /* CP EOP event */
3016
			DRM_DEBUG("IH: CP EOP\n");
2997 Serge 3017
			if (rdev->family >= CHIP_CAYMAN) {
3018
				switch (src_data) {
3019
				case 0:
3020
					radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
3021
					break;
3022
				case 1:
3023
					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
3024
					break;
3025
				case 2:
3026
					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
3027
					break;
3028
				}
3029
			} else
3030
				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
2005 serge 3031
			break;
3032
		case 233: /* GUI IDLE */
3033
			DRM_DEBUG("IH: GUI idle\n");
3034
			break;
3035
		default:
3036
			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3037
			break;
3038
		}
3039
 
3040
		/* wptr/rptr are in bytes! */
3041
		rptr += 16;
3042
		rptr &= rdev->ih.ptr_mask;
3043
	}
2997 Serge 3044
	rdev->ih.rptr = rptr;
3045
	WREG32(IH_RB_RPTR, rdev->ih.rptr);
3046
	atomic_set(&rdev->ih.lock, 0);
3047
 
2005 serge 3048
	/* make sure wptr hasn't changed while processing */
3049
	wptr = evergreen_get_ih_wptr(rdev);
2997 Serge 3050
	if (wptr != rptr)
2005 serge 3051
		goto restart_ih;
2997 Serge 3052
 
2005 serge 3053
	return IRQ_HANDLED;
3054
}
3055
 
1430 serge 3056
static int evergreen_startup(struct radeon_device *rdev)
3057
{
2997 Serge 3058
	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1430 serge 3059
	int r;
3060
 
1990 serge 3061
	/* enable pcie gen2 link */
3031 serge 3062
	evergreen_pcie_gen2_enable(rdev);
1990 serge 3063
 
3064
	if (ASIC_IS_DCE5(rdev)) {
3065
		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
3066
			r = ni_init_microcode(rdev);
3067
			if (r) {
3068
				DRM_ERROR("Failed to load firmware!\n");
3069
				return r;
3070
			}
3071
		}
3072
		r = ni_mc_load_microcode(rdev);
3073
		if (r) {
3074
			DRM_ERROR("Failed to load MC firmware!\n");
3075
			return r;
3076
		}
3077
	} else {
3031 serge 3078
		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
3079
			r = r600_init_microcode(rdev);
3080
			if (r) {
3081
				DRM_ERROR("Failed to load firmware!\n");
3082
				return r;
3083
			}
1430 serge 3084
		}
3085
	}
1963 serge 3086
 
2997 Serge 3087
	r = r600_vram_scratch_init(rdev);
3088
	if (r)
3089
		return r;
3090
 
1430 serge 3091
	evergreen_mc_program(rdev);
3092
	if (rdev->flags & RADEON_IS_AGP) {
1963 serge 3093
		evergreen_agp_enable(rdev);
1430 serge 3094
	} else {
3095
		r = evergreen_pcie_gart_enable(rdev);
3096
		if (r)
3097
			return r;
3098
	}
3099
	evergreen_gpu_init(rdev);
2005 serge 3100
 
1963 serge 3101
	r = evergreen_blit_init(rdev);
3102
	if (r) {
2997 Serge 3103
//       r600_blit_fini(rdev);
3104
		rdev->asic->copy.copy = NULL;
1963 serge 3105
		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
3106
	}
1430 serge 3107
 
1963 serge 3108
	/* allocate wb buffer */
3109
	r = radeon_wb_init(rdev);
3110
	if (r)
3111
		return r;
3112
 
3113
	/* Enable IRQ */
2005 serge 3114
	r = r600_irq_init(rdev);
3115
	if (r) {
3116
		DRM_ERROR("radeon: IH init failed (%d).\n", r);
3117
//		radeon_irq_kms_fini(rdev);
3118
		return r;
3119
	}
3120
	evergreen_irq_set(rdev);
1963 serge 3121
 
2997 Serge 3122
	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
3123
			     R600_CP_RB_RPTR, R600_CP_RB_WPTR,
3124
			     0, 0xfffff, RADEON_CP_PACKET2);
1430 serge 3125
	if (r)
3126
		return r;
3127
	r = evergreen_cp_load_microcode(rdev);
3128
	if (r)
3129
		return r;
1963 serge 3130
	r = evergreen_cp_resume(rdev);
1430 serge 3131
	if (r)
3132
		return r;
1963 serge 3133
 
1430 serge 3134
	return 0;
3135
}
3136
 
3137
 
3138
 
2997 Serge 3139
#if 0
1430 serge 3140
 
2005 serge 3141
int evergreen_copy_blit(struct radeon_device *rdev,
3142
			uint64_t src_offset, uint64_t dst_offset,
3143
			unsigned num_pages, struct radeon_fence *fence)
3144
{
3145
	int r;
1430 serge 3146
 
2005 serge 3147
	mutex_lock(&rdev->r600_blit.mutex);
3148
	rdev->r600_blit.vb_ib = NULL;
3149
	r = evergreen_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE);
3150
	if (r) {
3151
		if (rdev->r600_blit.vb_ib)
3152
			radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
3153
		mutex_unlock(&rdev->r600_blit.mutex);
3154
		return r;
3155
	}
3156
	evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE);
3157
	evergreen_blit_done_copy(rdev, fence);
3158
	mutex_unlock(&rdev->r600_blit.mutex);
3159
	return 0;
3160
}
2997 Serge 3161
#endif
1430 serge 3162
 
3163
/* Plan is to move initialization in that function and use
3164
 * helper function so that radeon_device_init pretty much
3165
 * do nothing more than calling asic specific function. This
3166
 * should also allow to remove a bunch of callback function
3167
 * like vram_info.
3168
 */
3169
int evergreen_init(struct radeon_device *rdev)
3170
{
3171
	int r;
3172
 
3173
	/* Read BIOS */
3174
	if (!radeon_get_bios(rdev)) {
3175
		if (ASIC_IS_AVIVO(rdev))
3176
			return -EINVAL;
3177
	}
3178
	/* Must be an ATOMBIOS */
3179
	if (!rdev->is_atom_bios) {
1986 serge 3180
		dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n");
1430 serge 3181
		return -EINVAL;
3182
	}
3183
	r = radeon_atombios_init(rdev);
3184
	if (r)
3185
		return r;
1986 serge 3186
	/* reset the asic, the gfx blocks are often in a bad state
3187
	 * after the driver is unloaded or after a resume
3188
	 */
3189
	if (radeon_asic_reset(rdev))
3190
		dev_warn(rdev->dev, "GPU reset failed !\n");
1430 serge 3191
	/* Post card if necessary */
1986 serge 3192
	if (!radeon_card_posted(rdev)) {
1430 serge 3193
		if (!rdev->bios) {
3194
			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3195
			return -EINVAL;
3196
		}
3197
		DRM_INFO("GPU not posted. posting now...\n");
3198
		atom_asic_init(rdev->mode_info.atom_context);
3199
	}
3200
	/* Initialize scratch registers */
3201
	r600_scratch_init(rdev);
3202
	/* Initialize surface registers */
3203
	radeon_surface_init(rdev);
3204
	/* Initialize clocks */
3205
	radeon_get_clock_info(rdev->ddev);
3206
	/* Fence driver */
2005 serge 3207
	r = radeon_fence_driver_init(rdev);
3208
	if (r)
3209
		return r;
3031 serge 3210
	/* initialize AGP */
1430 serge 3211
	if (rdev->flags & RADEON_IS_AGP) {
3212
		r = radeon_agp_init(rdev);
3213
		if (r)
3214
			radeon_agp_disable(rdev);
3215
	}
3216
	/* initialize memory controller */
3217
	r = evergreen_mc_init(rdev);
3218
	if (r)
3219
		return r;
3220
	/* Memory manager */
3221
	r = radeon_bo_init(rdev);
3222
	if (r)
3223
		return r;
1963 serge 3224
 
2005 serge 3225
	r = radeon_irq_kms_init(rdev);
3226
	if (r)
3227
		return r;
1430 serge 3228
 
2997 Serge 3229
	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
3230
	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
1430 serge 3231
 
2005 serge 3232
	rdev->ih.ring_obj = NULL;
3233
	r600_ih_ring_init(rdev, 64 * 1024);
1430 serge 3234
 
3235
	r = r600_pcie_gart_init(rdev);
3236
	if (r)
3237
		return r;
1963 serge 3238
 
3239
	rdev->accel_working = true;
1430 serge 3240
	r = evergreen_startup(rdev);
3241
	if (r) {
1963 serge 3242
		dev_err(rdev->dev, "disabling GPU acceleration\n");
1430 serge 3243
		rdev->accel_working = false;
3244
	}
2997 Serge 3245
 
3246
	/* Don't start up if the MC ucode is missing on BTC parts.
3247
	 * The default clocks and voltages before the MC ucode
3248
	 * is loaded are not suffient for advanced operations.
3249
	 */
3250
	if (ASIC_IS_DCE5(rdev)) {
3251
		if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
3252
			DRM_ERROR("radeon: MC ucode required for NI+.\n");
3253
			return -EINVAL;
2005 serge 3254
		}
1430 serge 3255
	}
2997 Serge 3256
 
1430 serge 3257
	return 0;
3258
}
3259
 
1986 serge 3260
 
2997 Serge 3261
void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
1430 serge 3262
{
2997 Serge 3263
	u32 link_width_cntl, speed_cntl, mask;
3264
	int ret;
1986 serge 3265
 
3266
	if (radeon_pcie_gen2 == 0)
3267
		return;
3268
 
3269
	if (rdev->flags & RADEON_IS_IGP)
3270
		return;
3271
 
3272
	if (!(rdev->flags & RADEON_IS_PCIE))
3273
		return;
3274
 
3275
	/* x2 cards have a special sequence */
3276
	if (ASIC_IS_X2(rdev))
3277
		return;
3278
 
2997 Serge 3279
	ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask);
3280
	if (ret != 0)
3281
		return;
3282
 
3283
	if (!(mask & DRM_PCIE_SPEED_50))
3284
		return;
3285
 
1986 serge 3286
	speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
2997 Serge 3287
	if (speed_cntl & LC_CURRENT_DATA_RATE) {
3288
		DRM_INFO("PCIE gen 2 link speeds already enabled\n");
3289
		return;
3290
	}
3291
 
3292
	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
3293
 
1986 serge 3294
	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
3295
	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3296
 
3297
		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3298
		link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3299
		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3300
 
3301
		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3302
		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
3303
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3304
 
3305
		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3306
		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
3307
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3308
 
3309
		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3310
		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
3311
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3312
 
3313
		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3314
		speed_cntl |= LC_GEN2_EN_STRAP;
3315
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3316
 
3317
	} else {
3318
		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3319
		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
3320
		if (1)
3321
			link_width_cntl |= LC_UPCONFIGURE_DIS;
3322
		else
3323
			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3324
		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3325
	}
1430 serge 3326
}