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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
			}
1246
		}
1963 serge 1247
	}
1430 serge 1248
 
2997 Serge 1249
	radeon_mc_wait_for_idle(rdev);
1250
 
1251
	blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
1252
	if ((blackout & BLACKOUT_MODE_MASK) != 1) {
1253
		/* Block CPU access */
1254
		WREG32(BIF_FB_EN, 0);
1255
		/* blackout the MC */
1256
		blackout &= ~BLACKOUT_MODE_MASK;
1257
		WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
2005 serge 1258
	}
1430 serge 1259
}
1260
 
1963 serge 1261
void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
1430 serge 1262
{
2997 Serge 1263
	u32 tmp, frame_count;
1264
	int i, j;
1430 serge 1265
 
2997 Serge 1266
	/* update crtc base addresses */
1267
	for (i = 0; i < rdev->num_crtc; i++) {
1268
		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
3031 serge 1269
		       upper_32_bits(rdev->mc.vram_start));
2997 Serge 1270
		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
3031 serge 1271
		       upper_32_bits(rdev->mc.vram_start));
2997 Serge 1272
		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
3031 serge 1273
		       (u32)rdev->mc.vram_start);
2997 Serge 1274
		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
3031 serge 1275
		       (u32)rdev->mc.vram_start);
2997 Serge 1276
	}
1277
	WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
1278
	WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
1430 serge 1279
 
2997 Serge 1280
	/* unblackout the MC */
1281
	tmp = RREG32(MC_SHARED_BLACKOUT_CNTL);
1282
	tmp &= ~BLACKOUT_MODE_MASK;
1283
	WREG32(MC_SHARED_BLACKOUT_CNTL, tmp);
1284
	/* allow CPU access */
1285
	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
1430 serge 1286
 
2997 Serge 1287
	for (i = 0; i < rdev->num_crtc; i++) {
3031 serge 1288
		if (save->crtc_enabled[i]) {
2997 Serge 1289
			if (ASIC_IS_DCE6(rdev)) {
1290
				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
1291
				tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
1292
				WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
1293
			} else {
1294
				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
1295
				tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1296
				WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
1297
			}
1298
			/* wait for the next frame */
1299
			frame_count = radeon_get_vblank_counter(rdev, i);
1300
			for (j = 0; j < rdev->usec_timeout; j++) {
1301
				if (radeon_get_vblank_counter(rdev, i) != frame_count)
1302
					break;
1303
				udelay(1);
1304
			}
3031 serge 1305
		}
2005 serge 1306
	}
2997 Serge 1307
	/* Unlock vga access */
1430 serge 1308
	WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
1309
	mdelay(1);
1310
	WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
1311
}
1312
 
1963 serge 1313
void evergreen_mc_program(struct radeon_device *rdev)
1430 serge 1314
{
1315
	struct evergreen_mc_save save;
1316
	u32 tmp;
1317
	int i, j;
1318
 
1319
	/* Initialize HDP */
1320
	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1321
		WREG32((0x2c14 + j), 0x00000000);
1322
		WREG32((0x2c18 + j), 0x00000000);
1323
		WREG32((0x2c1c + j), 0x00000000);
1324
		WREG32((0x2c20 + j), 0x00000000);
1325
		WREG32((0x2c24 + j), 0x00000000);
1326
	}
1327
	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1328
 
1329
	evergreen_mc_stop(rdev, &save);
1330
	if (evergreen_mc_wait_for_idle(rdev)) {
1331
		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1332
	}
1333
	/* Lockout access through VGA aperture*/
1334
	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1335
	/* Update configuration */
1336
	if (rdev->flags & RADEON_IS_AGP) {
1337
		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1338
			/* VRAM before AGP */
1339
			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1340
				rdev->mc.vram_start >> 12);
1341
			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1342
				rdev->mc.gtt_end >> 12);
1343
		} else {
1344
			/* VRAM after AGP */
1345
			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1346
				rdev->mc.gtt_start >> 12);
1347
			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1348
				rdev->mc.vram_end >> 12);
1349
		}
1350
	} else {
1351
		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1352
			rdev->mc.vram_start >> 12);
1353
		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1354
			rdev->mc.vram_end >> 12);
1355
	}
2997 Serge 1356
	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1357
	/* llano/ontario only */
1358
	if ((rdev->family == CHIP_PALM) ||
1359
	    (rdev->family == CHIP_SUMO) ||
1360
	    (rdev->family == CHIP_SUMO2)) {
1963 serge 1361
		tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
1362
		tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
1363
		tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
1364
		WREG32(MC_FUS_VM_FB_OFFSET, tmp);
1365
	}
1430 serge 1366
	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1367
	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1368
	WREG32(MC_VM_FB_LOCATION, tmp);
1369
	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1963 serge 1370
	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
1371
	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1430 serge 1372
	if (rdev->flags & RADEON_IS_AGP) {
1373
		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
1374
		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
1375
		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1376
	} else {
1377
		WREG32(MC_VM_AGP_BASE, 0);
1378
		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1379
		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1380
	}
1381
	if (evergreen_mc_wait_for_idle(rdev)) {
1382
		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1383
	}
1384
	evergreen_mc_resume(rdev, &save);
1385
	/* we need to own VRAM, so turn off the VGA renderer here
1386
	 * to stop it overwriting our objects */
1387
	rv515_vga_render_disable(rdev);
1388
}
1389
 
1390
/*
1391
 * CP.
1392
 */
1986 serge 1393
void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1394
{
2997 Serge 1395
	struct radeon_ring *ring = &rdev->ring[ib->ring];
1396
	u32 next_rptr;
1397
 
1986 serge 1398
	/* set to DX10/11 mode */
2997 Serge 1399
	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1400
	radeon_ring_write(ring, 1);
1401
 
1402
	if (ring->rptr_save_reg) {
1403
		next_rptr = ring->wptr + 3 + 4;
1404
		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3031 serge 1405
		radeon_ring_write(ring, ((ring->rptr_save_reg -
2997 Serge 1406
					  PACKET3_SET_CONFIG_REG_START) >> 2));
1407
		radeon_ring_write(ring, next_rptr);
1408
	} else if (rdev->wb.enabled) {
1409
		next_rptr = ring->wptr + 5 + 4;
1410
		radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
1411
		radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
1412
		radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
1413
		radeon_ring_write(ring, next_rptr);
1414
		radeon_ring_write(ring, 0);
1415
	}
1416
 
1417
	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1418
	radeon_ring_write(ring,
1986 serge 1419
#ifdef __BIG_ENDIAN
1420
			  (2 << 0) |
1421
#endif
1422
			  (ib->gpu_addr & 0xFFFFFFFC));
2997 Serge 1423
	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1424
	radeon_ring_write(ring, ib->length_dw);
1986 serge 1425
}
1963 serge 1426
 
1986 serge 1427
 
1963 serge 1428
static int evergreen_cp_load_microcode(struct radeon_device *rdev)
1430 serge 1429
{
1963 serge 1430
	const __be32 *fw_data;
1431
	int i;
1432
 
1433
	if (!rdev->me_fw || !rdev->pfp_fw)
1434
		return -EINVAL;
1435
 
1436
	r700_cp_stop(rdev);
1437
	WREG32(CP_RB_CNTL,
1438
#ifdef __BIG_ENDIAN
1439
	       BUF_SWAP_32BIT |
1440
#endif
1441
	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
1442
 
1443
	fw_data = (const __be32 *)rdev->pfp_fw->data;
1444
	WREG32(CP_PFP_UCODE_ADDR, 0);
1445
	for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
1446
		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1447
	WREG32(CP_PFP_UCODE_ADDR, 0);
1448
 
1449
	fw_data = (const __be32 *)rdev->me_fw->data;
1450
	WREG32(CP_ME_RAM_WADDR, 0);
1451
	for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
1452
		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1453
 
1454
	WREG32(CP_PFP_UCODE_ADDR, 0);
1455
	WREG32(CP_ME_RAM_WADDR, 0);
1456
	WREG32(CP_ME_RAM_RADDR, 0);
1457
	return 0;
1430 serge 1458
}
1459
 
1963 serge 1460
static int evergreen_cp_start(struct radeon_device *rdev)
1461
{
2997 Serge 1462
	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1963 serge 1463
	int r, i;
1464
	uint32_t cp_me;
1430 serge 1465
 
2997 Serge 1466
	r = radeon_ring_lock(rdev, ring, 7);
1963 serge 1467
	if (r) {
1468
		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1469
		return r;
1470
	}
2997 Serge 1471
	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1472
	radeon_ring_write(ring, 0x1);
1473
	radeon_ring_write(ring, 0x0);
1474
	radeon_ring_write(ring, rdev->config.evergreen.max_hw_contexts - 1);
1475
	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1476
	radeon_ring_write(ring, 0);
1477
	radeon_ring_write(ring, 0);
1478
	radeon_ring_unlock_commit(rdev, ring);
1963 serge 1479
 
1480
	cp_me = 0xff;
1481
	WREG32(CP_ME_CNTL, cp_me);
1482
 
2997 Serge 1483
	r = radeon_ring_lock(rdev, ring, evergreen_default_size + 19);
1963 serge 1484
	if (r) {
1485
		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1486
		return r;
1487
	}
1488
 
1489
	/* setup clear context state */
2997 Serge 1490
	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1491
	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1963 serge 1492
 
1493
	for (i = 0; i < evergreen_default_size; i++)
2997 Serge 1494
		radeon_ring_write(ring, evergreen_default_state[i]);
1963 serge 1495
 
2997 Serge 1496
	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1497
	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1963 serge 1498
 
1499
	/* set clear context state */
2997 Serge 1500
	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1501
	radeon_ring_write(ring, 0);
1963 serge 1502
 
1503
	/* SQ_VTX_BASE_VTX_LOC */
2997 Serge 1504
	radeon_ring_write(ring, 0xc0026f00);
1505
	radeon_ring_write(ring, 0x00000000);
1506
	radeon_ring_write(ring, 0x00000000);
1507
	radeon_ring_write(ring, 0x00000000);
1963 serge 1508
 
1509
	/* Clear consts */
2997 Serge 1510
	radeon_ring_write(ring, 0xc0036f00);
1511
	radeon_ring_write(ring, 0x00000bc4);
1512
	radeon_ring_write(ring, 0xffffffff);
1513
	radeon_ring_write(ring, 0xffffffff);
1514
	radeon_ring_write(ring, 0xffffffff);
1963 serge 1515
 
2997 Serge 1516
	radeon_ring_write(ring, 0xc0026900);
1517
	radeon_ring_write(ring, 0x00000316);
1518
	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1519
	radeon_ring_write(ring, 0x00000010); /*  */
1963 serge 1520
 
2997 Serge 1521
	radeon_ring_unlock_commit(rdev, ring);
1963 serge 1522
 
1523
	return 0;
1524
}
1525
 
2997 Serge 1526
static int evergreen_cp_resume(struct radeon_device *rdev)
1430 serge 1527
{
2997 Serge 1528
	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1963 serge 1529
	u32 tmp;
1530
	u32 rb_bufsz;
1531
	int r;
1430 serge 1532
 
1963 serge 1533
	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1534
	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1535
				 SOFT_RESET_PA |
1536
				 SOFT_RESET_SH |
1537
				 SOFT_RESET_VGT |
2160 serge 1538
				 SOFT_RESET_SPI |
1963 serge 1539
				 SOFT_RESET_SX));
1540
	RREG32(GRBM_SOFT_RESET);
1541
	mdelay(15);
1542
	WREG32(GRBM_SOFT_RESET, 0);
1543
	RREG32(GRBM_SOFT_RESET);
1544
 
1545
	/* Set ring buffer size */
2997 Serge 1546
	rb_bufsz = drm_order(ring->ring_size / 8);
1963 serge 1547
	tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1548
#ifdef __BIG_ENDIAN
1549
	tmp |= BUF_SWAP_32BIT;
1550
#endif
1551
	WREG32(CP_RB_CNTL, tmp);
2997 Serge 1552
	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1553
	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1963 serge 1554
 
1555
	/* Set the write pointer delay */
1556
	WREG32(CP_RB_WPTR_DELAY, 0);
1557
 
1558
	/* Initialize the ring buffer's read and write pointers */
1559
	WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
1560
	WREG32(CP_RB_RPTR_WR, 0);
2997 Serge 1561
	ring->wptr = 0;
1562
	WREG32(CP_RB_WPTR, ring->wptr);
1963 serge 1563
 
1564
	/* set the wb address wether it's enabled or not */
1565
	WREG32(CP_RB_RPTR_ADDR,
1566
	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
1567
	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1568
	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1569
 
1570
	if (rdev->wb.enabled)
1571
		WREG32(SCRATCH_UMSK, 0xff);
1572
	else {
1573
		tmp |= RB_NO_UPDATE;
1574
		WREG32(SCRATCH_UMSK, 0);
1575
	}
1576
 
1577
	mdelay(1);
1578
	WREG32(CP_RB_CNTL, tmp);
1579
 
2997 Serge 1580
	WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
1963 serge 1581
	WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
1582
 
2997 Serge 1583
	ring->rptr = RREG32(CP_RB_RPTR);
1963 serge 1584
 
1585
	evergreen_cp_start(rdev);
2997 Serge 1586
	ring->ready = true;
1587
	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1963 serge 1588
	if (r) {
2997 Serge 1589
		ring->ready = false;
1963 serge 1590
		return r;
1591
	}
1430 serge 1592
	return 0;
1593
}
1594
 
1595
/*
1596
 * Core functions
1597
 */
1598
static void evergreen_gpu_init(struct radeon_device *rdev)
1599
{
2997 Serge 1600
	u32 gb_addr_config;
1963 serge 1601
	u32 mc_shared_chmap, mc_arb_ramcfg;
1602
	u32 sx_debug_1;
1603
	u32 smx_dc_ctl0;
1604
	u32 sq_config;
1605
	u32 sq_lds_resource_mgmt;
1606
	u32 sq_gpr_resource_mgmt_1;
1607
	u32 sq_gpr_resource_mgmt_2;
1608
	u32 sq_gpr_resource_mgmt_3;
1609
	u32 sq_thread_resource_mgmt;
1610
	u32 sq_thread_resource_mgmt_2;
1611
	u32 sq_stack_resource_mgmt_1;
1612
	u32 sq_stack_resource_mgmt_2;
1613
	u32 sq_stack_resource_mgmt_3;
1614
	u32 vgt_cache_invalidation;
1615
	u32 hdp_host_path_cntl, tmp;
2997 Serge 1616
	u32 disabled_rb_mask;
1963 serge 1617
	int i, j, num_shader_engines, ps_thread_count;
1618
 
1619
	switch (rdev->family) {
1620
	case CHIP_CYPRESS:
1621
	case CHIP_HEMLOCK:
1622
		rdev->config.evergreen.num_ses = 2;
1623
		rdev->config.evergreen.max_pipes = 4;
1624
		rdev->config.evergreen.max_tile_pipes = 8;
1625
		rdev->config.evergreen.max_simds = 10;
1626
		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1627
		rdev->config.evergreen.max_gprs = 256;
1628
		rdev->config.evergreen.max_threads = 248;
1629
		rdev->config.evergreen.max_gs_threads = 32;
1630
		rdev->config.evergreen.max_stack_entries = 512;
1631
		rdev->config.evergreen.sx_num_of_sets = 4;
1632
		rdev->config.evergreen.sx_max_export_size = 256;
1633
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1634
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1635
		rdev->config.evergreen.max_hw_contexts = 8;
1636
		rdev->config.evergreen.sq_num_cf_insts = 2;
1637
 
1638
		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1639
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1640
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1641
		gb_addr_config = CYPRESS_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1642
		break;
1643
	case CHIP_JUNIPER:
1644
		rdev->config.evergreen.num_ses = 1;
1645
		rdev->config.evergreen.max_pipes = 4;
1646
		rdev->config.evergreen.max_tile_pipes = 4;
1647
		rdev->config.evergreen.max_simds = 10;
1648
		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1649
		rdev->config.evergreen.max_gprs = 256;
1650
		rdev->config.evergreen.max_threads = 248;
1651
		rdev->config.evergreen.max_gs_threads = 32;
1652
		rdev->config.evergreen.max_stack_entries = 512;
1653
		rdev->config.evergreen.sx_num_of_sets = 4;
1654
		rdev->config.evergreen.sx_max_export_size = 256;
1655
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1656
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1657
		rdev->config.evergreen.max_hw_contexts = 8;
1658
		rdev->config.evergreen.sq_num_cf_insts = 2;
1659
 
1660
		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1661
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1662
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1663
		gb_addr_config = JUNIPER_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1664
		break;
1665
	case CHIP_REDWOOD:
1666
		rdev->config.evergreen.num_ses = 1;
1667
		rdev->config.evergreen.max_pipes = 4;
1668
		rdev->config.evergreen.max_tile_pipes = 4;
1669
		rdev->config.evergreen.max_simds = 5;
1670
		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1671
		rdev->config.evergreen.max_gprs = 256;
1672
		rdev->config.evergreen.max_threads = 248;
1673
		rdev->config.evergreen.max_gs_threads = 32;
1674
		rdev->config.evergreen.max_stack_entries = 256;
1675
		rdev->config.evergreen.sx_num_of_sets = 4;
1676
		rdev->config.evergreen.sx_max_export_size = 256;
1677
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1678
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1679
		rdev->config.evergreen.max_hw_contexts = 8;
1680
		rdev->config.evergreen.sq_num_cf_insts = 2;
1681
 
1682
		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1683
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1684
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1685
		gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1686
		break;
1687
	case CHIP_CEDAR:
1688
	default:
1689
		rdev->config.evergreen.num_ses = 1;
1690
		rdev->config.evergreen.max_pipes = 2;
1691
		rdev->config.evergreen.max_tile_pipes = 2;
1692
		rdev->config.evergreen.max_simds = 2;
1693
		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1694
		rdev->config.evergreen.max_gprs = 256;
1695
		rdev->config.evergreen.max_threads = 192;
1696
		rdev->config.evergreen.max_gs_threads = 16;
1697
		rdev->config.evergreen.max_stack_entries = 256;
1698
		rdev->config.evergreen.sx_num_of_sets = 4;
1699
		rdev->config.evergreen.sx_max_export_size = 128;
1700
		rdev->config.evergreen.sx_max_export_pos_size = 32;
1701
		rdev->config.evergreen.sx_max_export_smx_size = 96;
1702
		rdev->config.evergreen.max_hw_contexts = 4;
1703
		rdev->config.evergreen.sq_num_cf_insts = 1;
1704
 
1705
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1706
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1707
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1708
		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1709
		break;
1710
	case CHIP_PALM:
1711
		rdev->config.evergreen.num_ses = 1;
1712
		rdev->config.evergreen.max_pipes = 2;
1713
		rdev->config.evergreen.max_tile_pipes = 2;
1714
		rdev->config.evergreen.max_simds = 2;
1715
		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1716
		rdev->config.evergreen.max_gprs = 256;
1717
		rdev->config.evergreen.max_threads = 192;
1718
		rdev->config.evergreen.max_gs_threads = 16;
1719
		rdev->config.evergreen.max_stack_entries = 256;
1720
		rdev->config.evergreen.sx_num_of_sets = 4;
1721
		rdev->config.evergreen.sx_max_export_size = 128;
1722
		rdev->config.evergreen.sx_max_export_pos_size = 32;
1723
		rdev->config.evergreen.sx_max_export_smx_size = 96;
1724
		rdev->config.evergreen.max_hw_contexts = 4;
1725
		rdev->config.evergreen.sq_num_cf_insts = 1;
1726
 
1727
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1728
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1729
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1730
		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1731
		break;
1732
	case CHIP_SUMO:
1733
		rdev->config.evergreen.num_ses = 1;
1734
		rdev->config.evergreen.max_pipes = 4;
1735
		rdev->config.evergreen.max_tile_pipes = 2;
1736
		if (rdev->pdev->device == 0x9648)
1737
			rdev->config.evergreen.max_simds = 3;
1738
		else if ((rdev->pdev->device == 0x9647) ||
1739
			 (rdev->pdev->device == 0x964a))
1740
			rdev->config.evergreen.max_simds = 4;
1741
		else
1742
			rdev->config.evergreen.max_simds = 5;
1743
		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1744
		rdev->config.evergreen.max_gprs = 256;
1745
		rdev->config.evergreen.max_threads = 248;
1746
		rdev->config.evergreen.max_gs_threads = 32;
1747
		rdev->config.evergreen.max_stack_entries = 256;
1748
		rdev->config.evergreen.sx_num_of_sets = 4;
1749
		rdev->config.evergreen.sx_max_export_size = 256;
1750
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1751
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1752
		rdev->config.evergreen.max_hw_contexts = 8;
1753
		rdev->config.evergreen.sq_num_cf_insts = 2;
1754
 
1755
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1756
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1757
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1758
		gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1759
		break;
1760
	case CHIP_SUMO2:
1761
		rdev->config.evergreen.num_ses = 1;
1762
		rdev->config.evergreen.max_pipes = 4;
1763
		rdev->config.evergreen.max_tile_pipes = 4;
1764
		rdev->config.evergreen.max_simds = 2;
1765
		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1766
		rdev->config.evergreen.max_gprs = 256;
1767
		rdev->config.evergreen.max_threads = 248;
1768
		rdev->config.evergreen.max_gs_threads = 32;
1769
		rdev->config.evergreen.max_stack_entries = 512;
1770
		rdev->config.evergreen.sx_num_of_sets = 4;
1771
		rdev->config.evergreen.sx_max_export_size = 256;
1772
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1773
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1774
		rdev->config.evergreen.max_hw_contexts = 8;
1775
		rdev->config.evergreen.sq_num_cf_insts = 2;
1776
 
1777
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1778
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1779
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1780
		gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1781
		break;
1782
	case CHIP_BARTS:
1783
		rdev->config.evergreen.num_ses = 2;
1784
		rdev->config.evergreen.max_pipes = 4;
1785
		rdev->config.evergreen.max_tile_pipes = 8;
1786
		rdev->config.evergreen.max_simds = 7;
1787
		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1788
		rdev->config.evergreen.max_gprs = 256;
1789
		rdev->config.evergreen.max_threads = 248;
1790
		rdev->config.evergreen.max_gs_threads = 32;
1791
		rdev->config.evergreen.max_stack_entries = 512;
1792
		rdev->config.evergreen.sx_num_of_sets = 4;
1793
		rdev->config.evergreen.sx_max_export_size = 256;
1794
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1795
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1796
		rdev->config.evergreen.max_hw_contexts = 8;
1797
		rdev->config.evergreen.sq_num_cf_insts = 2;
1798
 
1799
		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1800
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1801
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1802
		gb_addr_config = BARTS_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1803
		break;
1804
	case CHIP_TURKS:
1805
		rdev->config.evergreen.num_ses = 1;
1806
		rdev->config.evergreen.max_pipes = 4;
1807
		rdev->config.evergreen.max_tile_pipes = 4;
1808
		rdev->config.evergreen.max_simds = 6;
1809
		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1810
		rdev->config.evergreen.max_gprs = 256;
1811
		rdev->config.evergreen.max_threads = 248;
1812
		rdev->config.evergreen.max_gs_threads = 32;
1813
		rdev->config.evergreen.max_stack_entries = 256;
1814
		rdev->config.evergreen.sx_num_of_sets = 4;
1815
		rdev->config.evergreen.sx_max_export_size = 256;
1816
		rdev->config.evergreen.sx_max_export_pos_size = 64;
1817
		rdev->config.evergreen.sx_max_export_smx_size = 192;
1818
		rdev->config.evergreen.max_hw_contexts = 8;
1819
		rdev->config.evergreen.sq_num_cf_insts = 2;
1820
 
1821
		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1822
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1823
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1824
		gb_addr_config = TURKS_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1825
		break;
1826
	case CHIP_CAICOS:
1827
		rdev->config.evergreen.num_ses = 1;
1828
		rdev->config.evergreen.max_pipes = 4;
1829
		rdev->config.evergreen.max_tile_pipes = 2;
1830
		rdev->config.evergreen.max_simds = 2;
1831
		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1832
		rdev->config.evergreen.max_gprs = 256;
1833
		rdev->config.evergreen.max_threads = 192;
1834
		rdev->config.evergreen.max_gs_threads = 16;
1835
		rdev->config.evergreen.max_stack_entries = 256;
1836
		rdev->config.evergreen.sx_num_of_sets = 4;
1837
		rdev->config.evergreen.sx_max_export_size = 128;
1838
		rdev->config.evergreen.sx_max_export_pos_size = 32;
1839
		rdev->config.evergreen.sx_max_export_smx_size = 96;
1840
		rdev->config.evergreen.max_hw_contexts = 4;
1841
		rdev->config.evergreen.sq_num_cf_insts = 1;
1842
 
1843
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1844
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1845
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
2997 Serge 1846
		gb_addr_config = CAICOS_GB_ADDR_CONFIG_GOLDEN;
1963 serge 1847
		break;
1848
	}
1849
 
1850
	/* Initialize HDP */
1851
	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1852
		WREG32((0x2c14 + j), 0x00000000);
1853
		WREG32((0x2c18 + j), 0x00000000);
1854
		WREG32((0x2c1c + j), 0x00000000);
1855
		WREG32((0x2c20 + j), 0x00000000);
1856
		WREG32((0x2c24 + j), 0x00000000);
1857
	}
1858
 
1859
	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1860
 
2997 Serge 1861
	evergreen_fix_pci_max_read_req_size(rdev);
1963 serge 1862
 
1863
	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
2997 Serge 1864
	if ((rdev->family == CHIP_PALM) ||
1865
	    (rdev->family == CHIP_SUMO) ||
1866
	    (rdev->family == CHIP_SUMO2))
1963 serge 1867
		mc_arb_ramcfg = RREG32(FUS_MC_ARB_RAMCFG);
1868
	else
3031 serge 1869
		mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1963 serge 1870
 
1871
	/* setup tiling info dword.  gb_addr_config is not adequate since it does
1872
	 * not have bank info, so create a custom tiling dword.
1873
	 * bits 3:0   num_pipes
1874
	 * bits 7:4   num_banks
1875
	 * bits 11:8  group_size
1876
	 * bits 15:12 row_size
1877
	 */
1878
	rdev->config.evergreen.tile_config = 0;
1879
	switch (rdev->config.evergreen.max_tile_pipes) {
1880
	case 1:
1881
	default:
1882
		rdev->config.evergreen.tile_config |= (0 << 0);
1883
		break;
1884
	case 2:
1885
		rdev->config.evergreen.tile_config |= (1 << 0);
1886
		break;
1887
	case 4:
1888
		rdev->config.evergreen.tile_config |= (2 << 0);
1889
		break;
1890
	case 8:
1891
		rdev->config.evergreen.tile_config |= (3 << 0);
1892
		break;
1893
	}
1986 serge 1894
	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1963 serge 1895
	if (rdev->flags & RADEON_IS_IGP)
1986 serge 1896
		rdev->config.evergreen.tile_config |= 1 << 4;
2997 Serge 1897
	else {
1898
		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1899
		case 0: /* four banks */
1900
			rdev->config.evergreen.tile_config |= 0 << 4;
1901
			break;
1902
		case 1: /* eight banks */
1903
			rdev->config.evergreen.tile_config |= 1 << 4;
1904
			break;
1905
		case 2: /* sixteen banks */
1906
		default:
1907
			rdev->config.evergreen.tile_config |= 2 << 4;
1908
			break;
1909
		}
1910
	}
1911
	rdev->config.evergreen.tile_config |= 0 << 8;
1963 serge 1912
	rdev->config.evergreen.tile_config |=
1913
		((gb_addr_config & 0x30000000) >> 28) << 12;
1914
 
2997 Serge 1915
	num_shader_engines = (gb_addr_config & NUM_SHADER_ENGINES(3) >> 12) + 1;
1963 serge 1916
 
2997 Serge 1917
	if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) {
1918
		u32 efuse_straps_4;
1919
		u32 efuse_straps_3;
1963 serge 1920
 
2997 Serge 1921
		WREG32(RCU_IND_INDEX, 0x204);
1922
		efuse_straps_4 = RREG32(RCU_IND_DATA);
1923
		WREG32(RCU_IND_INDEX, 0x203);
1924
		efuse_straps_3 = RREG32(RCU_IND_DATA);
1925
		tmp = (((efuse_straps_4 & 0xf) << 4) |
1926
		      ((efuse_straps_3 & 0xf0000000) >> 28));
1927
	} else {
1928
		tmp = 0;
1929
		for (i = (rdev->config.evergreen.num_ses - 1); i >= 0; i--) {
1930
			u32 rb_disable_bitmap;
1963 serge 1931
 
2997 Serge 1932
			WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1933
			WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1934
			rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1935
			tmp <<= 4;
1936
			tmp |= rb_disable_bitmap;
1963 serge 1937
		}
2997 Serge 1938
	}
1939
	/* enabled rb are just the one not disabled :) */
1940
	disabled_rb_mask = tmp;
1963 serge 1941
 
2997 Serge 1942
	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1943
	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1963 serge 1944
 
2997 Serge 1945
	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1946
	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1947
	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1963 serge 1948
 
2997 Serge 1949
	tmp = gb_addr_config & NUM_PIPES_MASK;
1950
	tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
1951
					EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
1952
	WREG32(GB_BACKEND_MAP, tmp);
1963 serge 1953
 
1954
	WREG32(CGTS_SYS_TCC_DISABLE, 0);
1955
	WREG32(CGTS_TCC_DISABLE, 0);
1956
	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1957
	WREG32(CGTS_USER_TCC_DISABLE, 0);
1958
 
1959
	/* set HW defaults for 3D engine */
1960
	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1961
				     ROQ_IB2_START(0x2b)));
1962
 
1963
	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1964
 
1965
	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
1966
			     SYNC_GRADIENT |
1967
			     SYNC_WALKER |
1968
			     SYNC_ALIGNER));
1969
 
1970
	sx_debug_1 = RREG32(SX_DEBUG_1);
1971
	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1972
	WREG32(SX_DEBUG_1, sx_debug_1);
1973
 
1974
 
1975
	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1976
	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1977
	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
1978
	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1979
 
2997 Serge 1980
	if (rdev->family <= CHIP_SUMO2)
1981
		WREG32(SMX_SAR_CTL0, 0x00010000);
1982
 
1963 serge 1983
	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
1984
					POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
1985
					SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
1986
 
1987
	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
1988
				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
1989
				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
1990
 
1991
	WREG32(VGT_NUM_INSTANCES, 1);
1992
	WREG32(SPI_CONFIG_CNTL, 0);
1993
	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1994
	WREG32(CP_PERFMON_CNTL, 0);
1995
 
1996
	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
1997
				  FETCH_FIFO_HIWATER(0x4) |
1998
				  DONE_FIFO_HIWATER(0xe0) |
1999
				  ALU_UPDATE_FIFO_HIWATER(0x8)));
2000
 
2001
	sq_config = RREG32(SQ_CONFIG);
2002
	sq_config &= ~(PS_PRIO(3) |
2003
		       VS_PRIO(3) |
2004
		       GS_PRIO(3) |
2005
		       ES_PRIO(3));
2006
	sq_config |= (VC_ENABLE |
2007
		      EXPORT_SRC_C |
2008
		      PS_PRIO(0) |
2009
		      VS_PRIO(1) |
2010
		      GS_PRIO(2) |
2011
		      ES_PRIO(3));
2012
 
2013
	switch (rdev->family) {
2014
	case CHIP_CEDAR:
2015
	case CHIP_PALM:
2016
	case CHIP_SUMO:
2017
	case CHIP_SUMO2:
2018
	case CHIP_CAICOS:
2019
		/* no vertex cache */
2020
		sq_config &= ~VC_ENABLE;
2021
		break;
2022
	default:
2023
		break;
2024
	}
2025
 
2026
	sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
2027
 
2028
	sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
2029
	sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
2030
	sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
2031
	sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
2032
	sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
2033
	sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
2034
	sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
2035
 
2036
	switch (rdev->family) {
2037
	case CHIP_CEDAR:
2038
	case CHIP_PALM:
2039
	case CHIP_SUMO:
2040
	case CHIP_SUMO2:
2041
		ps_thread_count = 96;
2042
		break;
2043
	default:
2044
		ps_thread_count = 128;
2045
		break;
2046
	}
2047
 
2048
	sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
2049
	sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2050
	sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2051
	sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2052
	sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2053
	sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2054
 
2055
	sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2056
	sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2057
	sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2058
	sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2059
	sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2060
	sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2061
 
2062
	WREG32(SQ_CONFIG, sq_config);
2063
	WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
2064
	WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
2065
	WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
2066
	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2067
	WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
2068
	WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2069
	WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2070
	WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
2071
	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
2072
	WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
2073
 
2074
	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
2075
					  FORCE_EOV_MAX_REZ_CNT(255)));
2076
 
2077
	switch (rdev->family) {
2078
	case CHIP_CEDAR:
2079
	case CHIP_PALM:
2080
	case CHIP_SUMO:
2081
	case CHIP_SUMO2:
2082
	case CHIP_CAICOS:
2083
		vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
2084
		break;
2085
	default:
2086
		vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
2087
		break;
2088
	}
2089
	vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
2090
	WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
2091
 
2092
	WREG32(VGT_GS_VERTEX_REUSE, 16);
2093
	WREG32(PA_SU_LINE_STIPPLE_VALUE, 0);
2094
	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2095
 
2096
	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
2097
	WREG32(VGT_OUT_DEALLOC_CNTL, 16);
2098
 
2099
	WREG32(CB_PERF_CTR0_SEL_0, 0);
2100
	WREG32(CB_PERF_CTR0_SEL_1, 0);
2101
	WREG32(CB_PERF_CTR1_SEL_0, 0);
2102
	WREG32(CB_PERF_CTR1_SEL_1, 0);
2103
	WREG32(CB_PERF_CTR2_SEL_0, 0);
2104
	WREG32(CB_PERF_CTR2_SEL_1, 0);
2105
	WREG32(CB_PERF_CTR3_SEL_0, 0);
2106
	WREG32(CB_PERF_CTR3_SEL_1, 0);
2107
 
2108
	/* clear render buffer base addresses */
2109
	WREG32(CB_COLOR0_BASE, 0);
2110
	WREG32(CB_COLOR1_BASE, 0);
2111
	WREG32(CB_COLOR2_BASE, 0);
2112
	WREG32(CB_COLOR3_BASE, 0);
2113
	WREG32(CB_COLOR4_BASE, 0);
2114
	WREG32(CB_COLOR5_BASE, 0);
2115
	WREG32(CB_COLOR6_BASE, 0);
2116
	WREG32(CB_COLOR7_BASE, 0);
2117
	WREG32(CB_COLOR8_BASE, 0);
2118
	WREG32(CB_COLOR9_BASE, 0);
2119
	WREG32(CB_COLOR10_BASE, 0);
2120
	WREG32(CB_COLOR11_BASE, 0);
2121
 
2122
	/* set the shader const cache sizes to 0 */
2123
	for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
2124
		WREG32(i, 0);
2125
	for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
2126
		WREG32(i, 0);
2127
 
2128
	tmp = RREG32(HDP_MISC_CNTL);
2129
	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
2130
	WREG32(HDP_MISC_CNTL, tmp);
2131
 
2132
	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
2133
	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
2134
 
2135
	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
2136
 
2137
	udelay(50);
2138
 
1430 serge 2139
}
2140
 
2141
int evergreen_mc_init(struct radeon_device *rdev)
2142
{
2143
	u32 tmp;
2144
	int chansize, numchan;
2145
 
2146
	/* Get VRAM informations */
2147
	rdev->mc.vram_is_ddr = true;
2997 Serge 2148
	if ((rdev->family == CHIP_PALM) ||
2149
	    (rdev->family == CHIP_SUMO) ||
2150
	    (rdev->family == CHIP_SUMO2))
2004 serge 2151
		tmp = RREG32(FUS_MC_ARB_RAMCFG);
2152
	else
3031 serge 2153
		tmp = RREG32(MC_ARB_RAMCFG);
1430 serge 2154
	if (tmp & CHANSIZE_OVERRIDE) {
2155
		chansize = 16;
2156
	} else if (tmp & CHANSIZE_MASK) {
2157
		chansize = 64;
2158
	} else {
2159
		chansize = 32;
2160
	}
2161
	tmp = RREG32(MC_SHARED_CHMAP);
2162
	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
2163
	case 0:
2164
	default:
2165
		numchan = 1;
2166
		break;
2167
	case 1:
2168
		numchan = 2;
2169
		break;
2170
	case 2:
2171
		numchan = 4;
2172
		break;
2173
	case 3:
2174
		numchan = 8;
2175
		break;
2176
	}
2177
	rdev->mc.vram_width = numchan * chansize;
2178
	/* Could aper size report 0 ? */
1963 serge 2179
	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2180
	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1430 serge 2181
	/* Setup GPU memory space */
2997 Serge 2182
	if ((rdev->family == CHIP_PALM) ||
2183
	    (rdev->family == CHIP_SUMO) ||
2184
	    (rdev->family == CHIP_SUMO2)) {
1963 serge 2185
		/* size in bytes on fusion */
2186
		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
2187
		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
2188
	} else {
2997 Serge 2189
		/* size in MB on evergreen/cayman/tn */
3031 serge 2190
		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
2191
		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
1963 serge 2192
	}
1430 serge 2193
	rdev->mc.visible_vram_size = rdev->mc.aper_size;
1963 serge 2194
	r700_vram_gtt_location(rdev, &rdev->mc);
2195
	radeon_update_bandwidth_info(rdev);
2196
 
1430 serge 2197
	return 0;
2198
}
2199
 
2997 Serge 2200
bool evergreen_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1430 serge 2201
{
1986 serge 2202
	u32 srbm_status;
2203
	u32 grbm_status;
2204
	u32 grbm_status_se0, grbm_status_se1;
2205
 
2206
	srbm_status = RREG32(SRBM_STATUS);
2207
	grbm_status = RREG32(GRBM_STATUS);
2208
	grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
2209
	grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
2210
	if (!(grbm_status & GUI_ACTIVE)) {
2997 Serge 2211
		radeon_ring_lockup_update(ring);
3031 serge 2212
		return false;
1986 serge 2213
	}
2214
	/* force CP activities */
2997 Serge 2215
	radeon_ring_force_activity(rdev, ring);
2216
	return radeon_ring_test_lockup(rdev, ring);
1963 serge 2217
}
2218
 
2219
static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
2220
{
2221
	struct evergreen_mc_save save;
2222
	u32 grbm_reset = 0;
2223
 
2224
	if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
2225
		return 0;
2226
 
2227
	dev_info(rdev->dev, "GPU softreset \n");
2228
	dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
2229
		RREG32(GRBM_STATUS));
2230
	dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
2231
		RREG32(GRBM_STATUS_SE0));
2232
	dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
2233
		RREG32(GRBM_STATUS_SE1));
2234
	dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
2235
		RREG32(SRBM_STATUS));
2997 Serge 2236
	dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
2237
		RREG32(CP_STALLED_STAT1));
2238
	dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
2239
		RREG32(CP_STALLED_STAT2));
2240
	dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
2241
		RREG32(CP_BUSY_STAT));
2242
	dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
2243
		RREG32(CP_STAT));
1963 serge 2244
	evergreen_mc_stop(rdev, &save);
2245
	if (evergreen_mc_wait_for_idle(rdev)) {
2246
		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2247
	}
2248
	/* Disable CP parsing/prefetching */
2249
	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
2250
 
2251
	/* reset all the gfx blocks */
2252
	grbm_reset = (SOFT_RESET_CP |
2253
		      SOFT_RESET_CB |
2254
		      SOFT_RESET_DB |
2255
		      SOFT_RESET_PA |
2256
		      SOFT_RESET_SC |
2257
		      SOFT_RESET_SPI |
2258
		      SOFT_RESET_SH |
2259
		      SOFT_RESET_SX |
2260
		      SOFT_RESET_TC |
2261
		      SOFT_RESET_TA |
2262
		      SOFT_RESET_VC |
2263
		      SOFT_RESET_VGT);
2264
 
2265
	dev_info(rdev->dev, "  GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
2266
	WREG32(GRBM_SOFT_RESET, grbm_reset);
2267
	(void)RREG32(GRBM_SOFT_RESET);
2268
	udelay(50);
2269
	WREG32(GRBM_SOFT_RESET, 0);
2270
	(void)RREG32(GRBM_SOFT_RESET);
2271
	/* Wait a little for things to settle down */
2272
	udelay(50);
2273
	dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
2274
		RREG32(GRBM_STATUS));
2275
	dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
2276
		RREG32(GRBM_STATUS_SE0));
2277
	dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
2278
		RREG32(GRBM_STATUS_SE1));
2279
	dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
2280
		RREG32(SRBM_STATUS));
2997 Serge 2281
	dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
2282
		RREG32(CP_STALLED_STAT1));
2283
	dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
2284
		RREG32(CP_STALLED_STAT2));
2285
	dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
2286
		RREG32(CP_BUSY_STAT));
2287
	dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
2288
		RREG32(CP_STAT));
1963 serge 2289
	evergreen_mc_resume(rdev, &save);
1430 serge 2290
	return 0;
2291
}
2292
 
1963 serge 2293
int evergreen_asic_reset(struct radeon_device *rdev)
2294
{
2295
	return evergreen_gpu_soft_reset(rdev);
2296
}
2297
 
2298
/* Interrupts */
2299
 
2300
u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
2301
{
2997 Serge 2302
	if (crtc >= rdev->num_crtc)
3031 serge 2303
		return 0;
2997 Serge 2304
	else
2305
		return RREG32(CRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
1963 serge 2306
}
2307
 
2308
void evergreen_disable_interrupt_state(struct radeon_device *rdev)
2309
{
2310
	u32 tmp;
2311
 
2997 Serge 2312
	if (rdev->family >= CHIP_CAYMAN) {
2313
		cayman_cp_int_cntl_setup(rdev, 0,
2314
					 CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2315
		cayman_cp_int_cntl_setup(rdev, 1, 0);
2316
		cayman_cp_int_cntl_setup(rdev, 2, 0);
2317
	} else
3031 serge 2318
		WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
1963 serge 2319
	WREG32(GRBM_INT_CNTL, 0);
2320
	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
2321
	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
2005 serge 2322
	if (rdev->num_crtc >= 4) {
3031 serge 2323
		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
2324
		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
2005 serge 2325
	}
2326
	if (rdev->num_crtc >= 6) {
3031 serge 2327
		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
2328
		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1963 serge 2329
	}
2330
 
2331
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
2332
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
2005 serge 2333
	if (rdev->num_crtc >= 4) {
3031 serge 2334
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
2335
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
2005 serge 2336
	}
2337
	if (rdev->num_crtc >= 6) {
3031 serge 2338
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
2339
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1963 serge 2340
	}
2341
 
2997 Serge 2342
	/* only one DAC on DCE6 */
2343
	if (!ASIC_IS_DCE6(rdev))
3031 serge 2344
		WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
1963 serge 2345
	WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
2346
 
2347
	tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2348
	WREG32(DC_HPD1_INT_CONTROL, tmp);
2349
	tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2350
	WREG32(DC_HPD2_INT_CONTROL, tmp);
2351
	tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2352
	WREG32(DC_HPD3_INT_CONTROL, tmp);
2353
	tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2354
	WREG32(DC_HPD4_INT_CONTROL, tmp);
2355
	tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2356
	WREG32(DC_HPD5_INT_CONTROL, tmp);
2357
	tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2358
	WREG32(DC_HPD6_INT_CONTROL, tmp);
2359
 
2360
}
2005 serge 2361
 
2362
int evergreen_irq_set(struct radeon_device *rdev)
2363
{
2364
	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
2997 Serge 2365
	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
2005 serge 2366
	u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
2367
	u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
2368
	u32 grbm_int_cntl = 0;
2369
	u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0;
2997 Serge 2370
	u32 afmt1 = 0, afmt2 = 0, afmt3 = 0, afmt4 = 0, afmt5 = 0, afmt6 = 0;
2005 serge 2371
 
2372
	if (!rdev->irq.installed) {
2373
		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
2374
		return -EINVAL;
2375
	}
2376
	/* don't enable anything if the ih is disabled */
2377
	if (!rdev->ih.enabled) {
2378
		r600_disable_interrupts(rdev);
2379
		/* force the active interrupt state to all disabled */
2380
		evergreen_disable_interrupt_state(rdev);
2381
		return 0;
2382
	}
2383
 
2384
	hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
2385
	hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
2386
	hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
2387
	hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
2388
	hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
2389
	hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
2390
 
2997 Serge 2391
	afmt1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2392
	afmt2 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2393
	afmt3 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2394
	afmt4 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2395
	afmt5 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2396
	afmt6 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2397
 
2398
	if (rdev->family >= CHIP_CAYMAN) {
2399
		/* enable CP interrupts on all rings */
2400
		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
2401
			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
2402
			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
2403
		}
2404
		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
2405
			DRM_DEBUG("evergreen_irq_set: sw int cp1\n");
2406
			cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
2407
		}
2408
		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
2409
			DRM_DEBUG("evergreen_irq_set: sw int cp2\n");
2410
			cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
2411
		}
2412
	} else {
2413
		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
2414
			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
3031 serge 2415
			cp_int_cntl |= RB_INT_ENABLE;
2416
			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
2417
		}
2005 serge 2418
	}
2997 Serge 2419
 
2005 serge 2420
	if (rdev->irq.crtc_vblank_int[0] ||
2997 Serge 2421
	    atomic_read(&rdev->irq.pflip[0])) {
2005 serge 2422
		DRM_DEBUG("evergreen_irq_set: vblank 0\n");
2423
		crtc1 |= VBLANK_INT_MASK;
2424
	}
2425
	if (rdev->irq.crtc_vblank_int[1] ||
2997 Serge 2426
	    atomic_read(&rdev->irq.pflip[1])) {
2005 serge 2427
		DRM_DEBUG("evergreen_irq_set: vblank 1\n");
2428
		crtc2 |= VBLANK_INT_MASK;
2429
	}
2430
	if (rdev->irq.crtc_vblank_int[2] ||
2997 Serge 2431
	    atomic_read(&rdev->irq.pflip[2])) {
2005 serge 2432
		DRM_DEBUG("evergreen_irq_set: vblank 2\n");
2433
		crtc3 |= VBLANK_INT_MASK;
2434
	}
2435
	if (rdev->irq.crtc_vblank_int[3] ||
2997 Serge 2436
	    atomic_read(&rdev->irq.pflip[3])) {
2005 serge 2437
		DRM_DEBUG("evergreen_irq_set: vblank 3\n");
2438
		crtc4 |= VBLANK_INT_MASK;
2439
	}
2440
	if (rdev->irq.crtc_vblank_int[4] ||
2997 Serge 2441
	    atomic_read(&rdev->irq.pflip[4])) {
2005 serge 2442
		DRM_DEBUG("evergreen_irq_set: vblank 4\n");
2443
		crtc5 |= VBLANK_INT_MASK;
2444
	}
2445
	if (rdev->irq.crtc_vblank_int[5] ||
2997 Serge 2446
	    atomic_read(&rdev->irq.pflip[5])) {
2005 serge 2447
		DRM_DEBUG("evergreen_irq_set: vblank 5\n");
2448
		crtc6 |= VBLANK_INT_MASK;
2449
	}
2450
	if (rdev->irq.hpd[0]) {
2451
		DRM_DEBUG("evergreen_irq_set: hpd 1\n");
2452
		hpd1 |= DC_HPDx_INT_EN;
2453
	}
2454
	if (rdev->irq.hpd[1]) {
2455
		DRM_DEBUG("evergreen_irq_set: hpd 2\n");
2456
		hpd2 |= DC_HPDx_INT_EN;
2457
	}
2458
	if (rdev->irq.hpd[2]) {
2459
		DRM_DEBUG("evergreen_irq_set: hpd 3\n");
2460
		hpd3 |= DC_HPDx_INT_EN;
2461
	}
2462
	if (rdev->irq.hpd[3]) {
2463
		DRM_DEBUG("evergreen_irq_set: hpd 4\n");
2464
		hpd4 |= DC_HPDx_INT_EN;
2465
	}
2466
	if (rdev->irq.hpd[4]) {
2467
		DRM_DEBUG("evergreen_irq_set: hpd 5\n");
2468
		hpd5 |= DC_HPDx_INT_EN;
2469
	}
2470
	if (rdev->irq.hpd[5]) {
2471
		DRM_DEBUG("evergreen_irq_set: hpd 6\n");
2472
		hpd6 |= DC_HPDx_INT_EN;
2473
	}
2997 Serge 2474
	if (rdev->irq.afmt[0]) {
2475
		DRM_DEBUG("evergreen_irq_set: hdmi 0\n");
2476
		afmt1 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2005 serge 2477
	}
2997 Serge 2478
	if (rdev->irq.afmt[1]) {
2479
		DRM_DEBUG("evergreen_irq_set: hdmi 1\n");
2480
		afmt2 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2481
	}
2482
	if (rdev->irq.afmt[2]) {
2483
		DRM_DEBUG("evergreen_irq_set: hdmi 2\n");
2484
		afmt3 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2485
	}
2486
	if (rdev->irq.afmt[3]) {
2487
		DRM_DEBUG("evergreen_irq_set: hdmi 3\n");
2488
		afmt4 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2489
	}
2490
	if (rdev->irq.afmt[4]) {
2491
		DRM_DEBUG("evergreen_irq_set: hdmi 4\n");
2492
		afmt5 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2493
	}
2494
	if (rdev->irq.afmt[5]) {
2495
		DRM_DEBUG("evergreen_irq_set: hdmi 5\n");
2496
		afmt6 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2497
	}
2005 serge 2498
 
2997 Serge 2499
	if (rdev->family >= CHIP_CAYMAN) {
2500
		cayman_cp_int_cntl_setup(rdev, 0, cp_int_cntl);
2501
		cayman_cp_int_cntl_setup(rdev, 1, cp_int_cntl1);
2502
		cayman_cp_int_cntl_setup(rdev, 2, cp_int_cntl2);
2503
	} else
3031 serge 2504
		WREG32(CP_INT_CNTL, cp_int_cntl);
2005 serge 2505
	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
2506
 
2507
	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
2508
	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
2509
	if (rdev->num_crtc >= 4) {
2510
		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
2511
		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
2512
	}
2513
	if (rdev->num_crtc >= 6) {
2514
		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
2515
		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
2516
	}
2517
 
2518
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1);
2519
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2);
2520
	if (rdev->num_crtc >= 4) {
2521
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3);
2522
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4);
2523
	}
2524
	if (rdev->num_crtc >= 6) {
2525
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5);
2526
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6);
2527
	}
2528
 
2529
	WREG32(DC_HPD1_INT_CONTROL, hpd1);
2530
	WREG32(DC_HPD2_INT_CONTROL, hpd2);
2531
	WREG32(DC_HPD3_INT_CONTROL, hpd3);
2532
	WREG32(DC_HPD4_INT_CONTROL, hpd4);
2533
	WREG32(DC_HPD5_INT_CONTROL, hpd5);
2534
	WREG32(DC_HPD6_INT_CONTROL, hpd6);
2535
 
2997 Serge 2536
	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, afmt1);
2537
	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, afmt2);
2538
	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, afmt3);
2539
	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, afmt4);
2540
	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, afmt5);
2541
	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, afmt6);
2542
 
2005 serge 2543
	return 0;
2544
}
2545
 
2997 Serge 2546
static void evergreen_irq_ack(struct radeon_device *rdev)
2005 serge 2547
{
2548
	u32 tmp;
2549
 
2550
	rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
2551
	rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
2552
	rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
2553
	rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
2554
	rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
2555
	rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
2556
	rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
2557
	rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
2558
	if (rdev->num_crtc >= 4) {
2559
		rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
2560
		rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
2561
	}
2562
	if (rdev->num_crtc >= 6) {
2563
		rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
2564
		rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
2565
	}
2566
 
2997 Serge 2567
	rdev->irq.stat_regs.evergreen.afmt_status1 = RREG32(AFMT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
2568
	rdev->irq.stat_regs.evergreen.afmt_status2 = RREG32(AFMT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
2569
	rdev->irq.stat_regs.evergreen.afmt_status3 = RREG32(AFMT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
2570
	rdev->irq.stat_regs.evergreen.afmt_status4 = RREG32(AFMT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
2571
	rdev->irq.stat_regs.evergreen.afmt_status5 = RREG32(AFMT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
2572
	rdev->irq.stat_regs.evergreen.afmt_status6 = RREG32(AFMT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
2573
 
2005 serge 2574
	if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
2575
		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2576
	if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
2577
		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2578
	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
2579
		WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
2580
	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
2581
		WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
2582
	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
2583
		WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
2584
	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
2585
		WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
2586
 
2587
	if (rdev->num_crtc >= 4) {
2588
		if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
2589
			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2590
		if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
2591
			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2592
		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
2593
			WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
2594
		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
2595
			WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
2596
		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
2597
			WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
2598
		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
2599
			WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
2600
	}
2601
 
2602
	if (rdev->num_crtc >= 6) {
2603
		if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
2604
			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2605
		if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
2606
			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2607
		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
2608
			WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
2609
		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
2610
			WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
2611
		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
2612
			WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
2613
		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
2614
			WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
2615
	}
2616
 
2617
	if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
2618
		tmp = RREG32(DC_HPD1_INT_CONTROL);
2619
		tmp |= DC_HPDx_INT_ACK;
2620
		WREG32(DC_HPD1_INT_CONTROL, tmp);
2621
	}
2622
	if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
2623
		tmp = RREG32(DC_HPD2_INT_CONTROL);
2624
		tmp |= DC_HPDx_INT_ACK;
2625
		WREG32(DC_HPD2_INT_CONTROL, tmp);
2626
	}
2627
	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
2628
		tmp = RREG32(DC_HPD3_INT_CONTROL);
2629
		tmp |= DC_HPDx_INT_ACK;
2630
		WREG32(DC_HPD3_INT_CONTROL, tmp);
2631
	}
2632
	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
2633
		tmp = RREG32(DC_HPD4_INT_CONTROL);
2634
		tmp |= DC_HPDx_INT_ACK;
2635
		WREG32(DC_HPD4_INT_CONTROL, tmp);
2636
	}
2637
	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
2638
		tmp = RREG32(DC_HPD5_INT_CONTROL);
2639
		tmp |= DC_HPDx_INT_ACK;
2640
		WREG32(DC_HPD5_INT_CONTROL, tmp);
2641
	}
2642
	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
2643
		tmp = RREG32(DC_HPD5_INT_CONTROL);
2644
		tmp |= DC_HPDx_INT_ACK;
2645
		WREG32(DC_HPD6_INT_CONTROL, tmp);
2646
	}
2997 Serge 2647
	if (rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG) {
2648
		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
2649
		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2650
		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, tmp);
2651
	}
2652
	if (rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG) {
2653
		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
2654
		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2655
		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, tmp);
2656
	}
2657
	if (rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG) {
2658
		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
2659
		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2660
		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, tmp);
2661
	}
2662
	if (rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG) {
2663
		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
2664
		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2665
		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, tmp);
2666
	}
2667
	if (rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG) {
2668
		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
2669
		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2670
		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, tmp);
2671
	}
2672
	if (rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG) {
2673
		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
2674
		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2675
		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, tmp);
2676
	}
2005 serge 2677
}
2997 Serge 2678
 
2679
static void evergreen_irq_disable(struct radeon_device *rdev)
2005 serge 2680
{
2997 Serge 2681
	r600_disable_interrupts(rdev);
2682
	/* Wait and acknowledge irq */
2683
	mdelay(1);
2684
	evergreen_irq_ack(rdev);
2685
	evergreen_disable_interrupt_state(rdev);
2686
}
2687
 
2688
void evergreen_irq_suspend(struct radeon_device *rdev)
2689
{
2690
	evergreen_irq_disable(rdev);
2691
	r600_rlc_stop(rdev);
2692
}
2693
 
2694
static u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
2695
{
2005 serge 2696
	u32 wptr, tmp;
2697
 
2698
	if (rdev->wb.enabled)
2699
		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
2700
	else
2701
		wptr = RREG32(IH_RB_WPTR);
2702
 
2703
	if (wptr & RB_OVERFLOW) {
2704
		/* When a ring buffer overflow happen start parsing interrupt
2705
		 * from the last not overwritten vector (wptr + 16). Hopefully
2706
		 * this should allow us to catchup.
2707
		 */
2708
		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
2709
			wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
2710
		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
2711
		tmp = RREG32(IH_RB_CNTL);
2712
		tmp |= IH_WPTR_OVERFLOW_CLEAR;
2713
		WREG32(IH_RB_CNTL, tmp);
2714
	}
2715
	return (wptr & rdev->ih.ptr_mask);
2716
}
2717
 
2718
int evergreen_irq_process(struct radeon_device *rdev)
2719
{
2720
	u32 wptr;
2721
	u32 rptr;
2722
	u32 src_id, src_data;
2723
	u32 ring_index;
2724
	bool queue_hotplug = false;
2997 Serge 2725
	bool queue_hdmi = false;
2005 serge 2726
 
2727
	if (!rdev->ih.enabled || rdev->shutdown)
2728
		return IRQ_NONE;
2729
 
2730
	wptr = evergreen_get_ih_wptr(rdev);
2997 Serge 2731
 
2732
restart_ih:
2733
	/* is somebody else already processing irqs? */
2734
	if (atomic_xchg(&rdev->ih.lock, 1))
2735
		return IRQ_NONE;
2736
 
2005 serge 2737
	rptr = rdev->ih.rptr;
2738
	DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
2739
 
2175 serge 2740
	/* Order reading of wptr vs. reading of IH ring data */
2741
	rmb();
2742
 
2005 serge 2743
	/* display interrupts */
2744
	evergreen_irq_ack(rdev);
2745
 
2746
	while (rptr != wptr) {
2747
		/* wptr/rptr are in bytes! */
2748
		ring_index = rptr / 4;
2749
		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
2750
		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
2751
 
2752
		switch (src_id) {
2753
		case 1: /* D1 vblank/vline */
2754
			switch (src_data) {
2755
			case 0: /* D1 vblank */
2756
				if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) {
2757
					if (rdev->irq.crtc_vblank_int[0]) {
2758
				//		drm_handle_vblank(rdev->ddev, 0);
2759
						rdev->pm.vblank_sync = true;
2760
				//		wake_up(&rdev->irq.vblank_queue);
2761
					}
2762
				//	if (rdev->irq.pflip[0])
2763
				//		radeon_crtc_handle_flip(rdev, 0);
2764
					rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
2765
					DRM_DEBUG("IH: D1 vblank\n");
2766
				}
2767
				break;
2768
			case 1: /* D1 vline */
2769
				if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) {
2770
					rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
2771
					DRM_DEBUG("IH: D1 vline\n");
2772
				}
2773
				break;
2774
			default:
2775
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2776
				break;
2777
			}
2778
			break;
2779
		case 2: /* D2 vblank/vline */
2780
			switch (src_data) {
2781
			case 0: /* D2 vblank */
2782
				if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
2783
					if (rdev->irq.crtc_vblank_int[1]) {
2784
				//		drm_handle_vblank(rdev->ddev, 1);
2785
						rdev->pm.vblank_sync = true;
2786
				//		wake_up(&rdev->irq.vblank_queue);
2787
					}
2788
			//		if (rdev->irq.pflip[1])
2789
			//			radeon_crtc_handle_flip(rdev, 1);
2790
					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
2791
					DRM_DEBUG("IH: D2 vblank\n");
2792
				}
2793
				break;
2794
			case 1: /* D2 vline */
2795
				if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) {
2796
					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
2797
					DRM_DEBUG("IH: D2 vline\n");
2798
				}
2799
				break;
2800
			default:
2801
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2802
				break;
2803
			}
2804
			break;
2805
		case 3: /* D3 vblank/vline */
2806
			switch (src_data) {
2807
			case 0: /* D3 vblank */
2808
				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
2809
					if (rdev->irq.crtc_vblank_int[2]) {
2810
				//		drm_handle_vblank(rdev->ddev, 2);
2811
						rdev->pm.vblank_sync = true;
2812
				//		wake_up(&rdev->irq.vblank_queue);
2813
					}
2814
				//	if (rdev->irq.pflip[2])
2815
				//		radeon_crtc_handle_flip(rdev, 2);
2816
					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
2817
					DRM_DEBUG("IH: D3 vblank\n");
2818
				}
2819
				break;
2820
			case 1: /* D3 vline */
2821
				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
2822
					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
2823
					DRM_DEBUG("IH: D3 vline\n");
2824
				}
2825
				break;
2826
			default:
2827
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2828
				break;
2829
			}
2830
			break;
2831
		case 4: /* D4 vblank/vline */
2832
			switch (src_data) {
2833
			case 0: /* D4 vblank */
2834
				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
2835
					if (rdev->irq.crtc_vblank_int[3]) {
2836
					//	drm_handle_vblank(rdev->ddev, 3);
2837
						rdev->pm.vblank_sync = true;
2838
					//	wake_up(&rdev->irq.vblank_queue);
2839
					}
2840
		//			if (rdev->irq.pflip[3])
2841
		//				radeon_crtc_handle_flip(rdev, 3);
2842
					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
2843
					DRM_DEBUG("IH: D4 vblank\n");
2844
				}
2845
				break;
2846
			case 1: /* D4 vline */
2847
				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
2848
					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
2849
					DRM_DEBUG("IH: D4 vline\n");
2850
				}
2851
				break;
2852
			default:
2853
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2854
				break;
2855
			}
2856
			break;
2857
		case 5: /* D5 vblank/vline */
2858
			switch (src_data) {
2859
			case 0: /* D5 vblank */
2860
				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
2861
					if (rdev->irq.crtc_vblank_int[4]) {
2862
//						drm_handle_vblank(rdev->ddev, 4);
2863
						rdev->pm.vblank_sync = true;
2864
//						wake_up(&rdev->irq.vblank_queue);
2865
					}
2866
//					if (rdev->irq.pflip[4])
2867
//						radeon_crtc_handle_flip(rdev, 4);
2868
					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
2869
					DRM_DEBUG("IH: D5 vblank\n");
2870
				}
2871
				break;
2872
			case 1: /* D5 vline */
2873
				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
2874
					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
2875
					DRM_DEBUG("IH: D5 vline\n");
2876
				}
2877
				break;
2878
			default:
2879
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2880
				break;
2881
			}
2882
			break;
2883
		case 6: /* D6 vblank/vline */
2884
			switch (src_data) {
2885
			case 0: /* D6 vblank */
2886
				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
2887
					if (rdev->irq.crtc_vblank_int[5]) {
2888
				//		drm_handle_vblank(rdev->ddev, 5);
2889
						rdev->pm.vblank_sync = true;
2890
				//		wake_up(&rdev->irq.vblank_queue);
2891
					}
2892
			//		if (rdev->irq.pflip[5])
2893
			//			radeon_crtc_handle_flip(rdev, 5);
2894
					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
2895
					DRM_DEBUG("IH: D6 vblank\n");
2896
				}
2897
				break;
2898
			case 1: /* D6 vline */
2899
				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
2900
					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
2901
					DRM_DEBUG("IH: D6 vline\n");
2902
				}
2903
				break;
2904
			default:
2905
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2906
				break;
2907
			}
2908
			break;
2909
		case 42: /* HPD hotplug */
2910
			switch (src_data) {
2911
			case 0:
2912
				if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
2913
					rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
2914
					queue_hotplug = true;
2915
					DRM_DEBUG("IH: HPD1\n");
2916
				}
2917
				break;
2918
			case 1:
2919
				if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
2920
					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
2921
					queue_hotplug = true;
2922
					DRM_DEBUG("IH: HPD2\n");
2923
				}
2924
				break;
2925
			case 2:
2926
				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
2927
					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
2928
					queue_hotplug = true;
2929
					DRM_DEBUG("IH: HPD3\n");
2930
				}
2931
				break;
2932
			case 3:
2933
				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
2934
					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
2935
					queue_hotplug = true;
2936
					DRM_DEBUG("IH: HPD4\n");
2937
				}
2938
				break;
2939
			case 4:
2940
				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
2941
					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
2942
					queue_hotplug = true;
2943
					DRM_DEBUG("IH: HPD5\n");
2944
				}
2945
				break;
2946
			case 5:
2947
				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
2948
					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
2949
					queue_hotplug = true;
2950
					DRM_DEBUG("IH: HPD6\n");
2951
				}
2952
				break;
2953
			default:
2954
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2955
				break;
2956
			}
2957
			break;
2997 Serge 2958
		case 44: /* hdmi */
2959
			switch (src_data) {
2960
			case 0:
2961
				if (rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG) {
2962
					rdev->irq.stat_regs.evergreen.afmt_status1 &= ~AFMT_AZ_FORMAT_WTRIG;
2963
					queue_hdmi = true;
2964
					DRM_DEBUG("IH: HDMI0\n");
2965
				}
2966
				break;
2967
			case 1:
2968
				if (rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG) {
2969
					rdev->irq.stat_regs.evergreen.afmt_status2 &= ~AFMT_AZ_FORMAT_WTRIG;
2970
					queue_hdmi = true;
2971
					DRM_DEBUG("IH: HDMI1\n");
2972
				}
2973
				break;
2974
			case 2:
2975
				if (rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG) {
2976
					rdev->irq.stat_regs.evergreen.afmt_status3 &= ~AFMT_AZ_FORMAT_WTRIG;
2977
					queue_hdmi = true;
2978
					DRM_DEBUG("IH: HDMI2\n");
2979
				}
2980
				break;
2981
			case 3:
2982
				if (rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG) {
2983
					rdev->irq.stat_regs.evergreen.afmt_status4 &= ~AFMT_AZ_FORMAT_WTRIG;
2984
					queue_hdmi = true;
2985
					DRM_DEBUG("IH: HDMI3\n");
2986
				}
2987
				break;
2988
			case 4:
2989
				if (rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG) {
2990
					rdev->irq.stat_regs.evergreen.afmt_status5 &= ~AFMT_AZ_FORMAT_WTRIG;
2991
					queue_hdmi = true;
2992
					DRM_DEBUG("IH: HDMI4\n");
2993
				}
2994
				break;
2995
			case 5:
2996
				if (rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG) {
2997
					rdev->irq.stat_regs.evergreen.afmt_status6 &= ~AFMT_AZ_FORMAT_WTRIG;
2998
					queue_hdmi = true;
2999
					DRM_DEBUG("IH: HDMI5\n");
3000
				}
3001
				break;
3002
			default:
3003
				DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
3004
				break;
3005
			}
3006
			break;
2005 serge 3007
		case 176: /* CP_INT in ring buffer */
3008
		case 177: /* CP_INT in IB1 */
3009
		case 178: /* CP_INT in IB2 */
3010
			DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
2997 Serge 3011
			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
2005 serge 3012
			break;
3013
		case 181: /* CP EOP event */
3014
			DRM_DEBUG("IH: CP EOP\n");
2997 Serge 3015
			if (rdev->family >= CHIP_CAYMAN) {
3016
				switch (src_data) {
3017
				case 0:
3018
					radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
3019
					break;
3020
				case 1:
3021
					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
3022
					break;
3023
				case 2:
3024
					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
3025
					break;
3026
				}
3027
			} else
3028
				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
2005 serge 3029
			break;
3030
		case 233: /* GUI IDLE */
3031
			DRM_DEBUG("IH: GUI idle\n");
3032
			break;
3033
		default:
3034
			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3035
			break;
3036
		}
3037
 
3038
		/* wptr/rptr are in bytes! */
3039
		rptr += 16;
3040
		rptr &= rdev->ih.ptr_mask;
3041
	}
2997 Serge 3042
	rdev->ih.rptr = rptr;
3043
	WREG32(IH_RB_RPTR, rdev->ih.rptr);
3044
	atomic_set(&rdev->ih.lock, 0);
3045
 
2005 serge 3046
	/* make sure wptr hasn't changed while processing */
3047
	wptr = evergreen_get_ih_wptr(rdev);
2997 Serge 3048
	if (wptr != rptr)
2005 serge 3049
		goto restart_ih;
2997 Serge 3050
 
2005 serge 3051
	return IRQ_HANDLED;
3052
}
3053
 
1430 serge 3054
static int evergreen_startup(struct radeon_device *rdev)
3055
{
2997 Serge 3056
	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1430 serge 3057
	int r;
3058
 
1990 serge 3059
	/* enable pcie gen2 link */
3031 serge 3060
	evergreen_pcie_gen2_enable(rdev);
1990 serge 3061
 
3062
	if (ASIC_IS_DCE5(rdev)) {
3063
		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
3064
			r = ni_init_microcode(rdev);
3065
			if (r) {
3066
				DRM_ERROR("Failed to load firmware!\n");
3067
				return r;
3068
			}
3069
		}
3070
		r = ni_mc_load_microcode(rdev);
3071
		if (r) {
3072
			DRM_ERROR("Failed to load MC firmware!\n");
3073
			return r;
3074
		}
3075
	} else {
3031 serge 3076
		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
3077
			r = r600_init_microcode(rdev);
3078
			if (r) {
3079
				DRM_ERROR("Failed to load firmware!\n");
3080
				return r;
3081
			}
1430 serge 3082
		}
3083
	}
1963 serge 3084
 
2997 Serge 3085
	r = r600_vram_scratch_init(rdev);
3086
	if (r)
3087
		return r;
3088
 
1430 serge 3089
	evergreen_mc_program(rdev);
3090
	if (rdev->flags & RADEON_IS_AGP) {
1963 serge 3091
		evergreen_agp_enable(rdev);
1430 serge 3092
	} else {
3093
		r = evergreen_pcie_gart_enable(rdev);
3094
		if (r)
3095
			return r;
3096
	}
3097
	evergreen_gpu_init(rdev);
2005 serge 3098
 
1963 serge 3099
	r = evergreen_blit_init(rdev);
3100
	if (r) {
2997 Serge 3101
//       r600_blit_fini(rdev);
3102
		rdev->asic->copy.copy = NULL;
1963 serge 3103
		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
3104
	}
1430 serge 3105
 
1963 serge 3106
	/* allocate wb buffer */
3107
	r = radeon_wb_init(rdev);
3108
	if (r)
3109
		return r;
3110
 
3111
	/* Enable IRQ */
2005 serge 3112
	r = r600_irq_init(rdev);
3113
	if (r) {
3114
		DRM_ERROR("radeon: IH init failed (%d).\n", r);
3115
//		radeon_irq_kms_fini(rdev);
3116
		return r;
3117
	}
3118
	evergreen_irq_set(rdev);
1963 serge 3119
 
2997 Serge 3120
	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
3121
			     R600_CP_RB_RPTR, R600_CP_RB_WPTR,
3122
			     0, 0xfffff, RADEON_CP_PACKET2);
1430 serge 3123
	if (r)
3124
		return r;
3125
	r = evergreen_cp_load_microcode(rdev);
3126
	if (r)
3127
		return r;
1963 serge 3128
	r = evergreen_cp_resume(rdev);
1430 serge 3129
	if (r)
3130
		return r;
1963 serge 3131
 
1430 serge 3132
	return 0;
3133
}
3134
 
3135
 
3136
 
2997 Serge 3137
#if 0
1430 serge 3138
 
2005 serge 3139
int evergreen_copy_blit(struct radeon_device *rdev,
3140
			uint64_t src_offset, uint64_t dst_offset,
3141
			unsigned num_pages, struct radeon_fence *fence)
3142
{
3143
	int r;
1430 serge 3144
 
2005 serge 3145
	mutex_lock(&rdev->r600_blit.mutex);
3146
	rdev->r600_blit.vb_ib = NULL;
3147
	r = evergreen_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE);
3148
	if (r) {
3149
		if (rdev->r600_blit.vb_ib)
3150
			radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
3151
		mutex_unlock(&rdev->r600_blit.mutex);
3152
		return r;
3153
	}
3154
	evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE);
3155
	evergreen_blit_done_copy(rdev, fence);
3156
	mutex_unlock(&rdev->r600_blit.mutex);
3157
	return 0;
3158
}
2997 Serge 3159
#endif
1430 serge 3160
 
3161
/* Plan is to move initialization in that function and use
3162
 * helper function so that radeon_device_init pretty much
3163
 * do nothing more than calling asic specific function. This
3164
 * should also allow to remove a bunch of callback function
3165
 * like vram_info.
3166
 */
3167
int evergreen_init(struct radeon_device *rdev)
3168
{
3169
	int r;
3170
 
3171
	/* Read BIOS */
3172
	if (!radeon_get_bios(rdev)) {
3173
		if (ASIC_IS_AVIVO(rdev))
3174
			return -EINVAL;
3175
	}
3176
	/* Must be an ATOMBIOS */
3177
	if (!rdev->is_atom_bios) {
1986 serge 3178
		dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n");
1430 serge 3179
		return -EINVAL;
3180
	}
3181
	r = radeon_atombios_init(rdev);
3182
	if (r)
3183
		return r;
1986 serge 3184
	/* reset the asic, the gfx blocks are often in a bad state
3185
	 * after the driver is unloaded or after a resume
3186
	 */
3187
	if (radeon_asic_reset(rdev))
3188
		dev_warn(rdev->dev, "GPU reset failed !\n");
1430 serge 3189
	/* Post card if necessary */
1986 serge 3190
	if (!radeon_card_posted(rdev)) {
1430 serge 3191
		if (!rdev->bios) {
3192
			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3193
			return -EINVAL;
3194
		}
3195
		DRM_INFO("GPU not posted. posting now...\n");
3196
		atom_asic_init(rdev->mode_info.atom_context);
3197
	}
3198
	/* Initialize scratch registers */
3199
	r600_scratch_init(rdev);
3200
	/* Initialize surface registers */
3201
	radeon_surface_init(rdev);
3202
	/* Initialize clocks */
3203
	radeon_get_clock_info(rdev->ddev);
3204
	/* Fence driver */
2005 serge 3205
	r = radeon_fence_driver_init(rdev);
3206
	if (r)
3207
		return r;
3031 serge 3208
	/* initialize AGP */
1430 serge 3209
	if (rdev->flags & RADEON_IS_AGP) {
3210
		r = radeon_agp_init(rdev);
3211
		if (r)
3212
			radeon_agp_disable(rdev);
3213
	}
3214
	/* initialize memory controller */
3215
	r = evergreen_mc_init(rdev);
3216
	if (r)
3217
		return r;
3218
	/* Memory manager */
3219
	r = radeon_bo_init(rdev);
3220
	if (r)
3221
		return r;
1963 serge 3222
 
2005 serge 3223
	r = radeon_irq_kms_init(rdev);
3224
	if (r)
3225
		return r;
1430 serge 3226
 
2997 Serge 3227
	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
3228
	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
1430 serge 3229
 
2005 serge 3230
	rdev->ih.ring_obj = NULL;
3231
	r600_ih_ring_init(rdev, 64 * 1024);
1430 serge 3232
 
3233
	r = r600_pcie_gart_init(rdev);
3234
	if (r)
3235
		return r;
1963 serge 3236
 
3237
	rdev->accel_working = true;
1430 serge 3238
	r = evergreen_startup(rdev);
3239
	if (r) {
1963 serge 3240
		dev_err(rdev->dev, "disabling GPU acceleration\n");
1430 serge 3241
		rdev->accel_working = false;
3242
	}
2997 Serge 3243
 
3244
	/* Don't start up if the MC ucode is missing on BTC parts.
3245
	 * The default clocks and voltages before the MC ucode
3246
	 * is loaded are not suffient for advanced operations.
3247
	 */
3248
	if (ASIC_IS_DCE5(rdev)) {
3249
		if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
3250
			DRM_ERROR("radeon: MC ucode required for NI+.\n");
3251
			return -EINVAL;
2005 serge 3252
		}
1430 serge 3253
	}
2997 Serge 3254
 
1430 serge 3255
	return 0;
3256
}
3257
 
1986 serge 3258
 
2997 Serge 3259
void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
1430 serge 3260
{
2997 Serge 3261
	u32 link_width_cntl, speed_cntl, mask;
3262
	int ret;
1986 serge 3263
 
3264
	if (radeon_pcie_gen2 == 0)
3265
		return;
3266
 
3267
	if (rdev->flags & RADEON_IS_IGP)
3268
		return;
3269
 
3270
	if (!(rdev->flags & RADEON_IS_PCIE))
3271
		return;
3272
 
3273
	/* x2 cards have a special sequence */
3274
	if (ASIC_IS_X2(rdev))
3275
		return;
3276
 
2997 Serge 3277
	ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask);
3278
	if (ret != 0)
3279
		return;
3280
 
3281
	if (!(mask & DRM_PCIE_SPEED_50))
3282
		return;
3283
 
1986 serge 3284
	speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
2997 Serge 3285
	if (speed_cntl & LC_CURRENT_DATA_RATE) {
3286
		DRM_INFO("PCIE gen 2 link speeds already enabled\n");
3287
		return;
3288
	}
3289
 
3290
	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
3291
 
1986 serge 3292
	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
3293
	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3294
 
3295
		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3296
		link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3297
		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3298
 
3299
		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3300
		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
3301
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3302
 
3303
		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3304
		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
3305
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3306
 
3307
		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3308
		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
3309
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3310
 
3311
		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3312
		speed_cntl |= LC_GEN2_EN_STRAP;
3313
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3314
 
3315
	} else {
3316
		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3317
		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
3318
		if (1)
3319
			link_width_cntl |= LC_UPCONFIGURE_DIS;
3320
		else
3321
			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3322
		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3323
	}
1430 serge 3324
}