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v3.1
  1/*
  2 * Copyright 2008 Advanced Micro Devices, Inc.
  3 * Copyright 2008 Red Hat Inc.
  4 * Copyright 2009 Jerome Glisse.
  5 *
  6 * Permission is hereby granted, free of charge, to any person obtaining a
  7 * copy of this software and associated documentation files (the "Software"),
  8 * to deal in the Software without restriction, including without limitation
  9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 10 * and/or sell copies of the Software, and to permit persons to whom the
 11 * Software is furnished to do so, subject to the following conditions:
 12 *
 13 * The above copyright notice and this permission notice shall be included in
 14 * all copies or substantial portions of the Software.
 15 *
 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 22 * OTHER DEALINGS IN THE SOFTWARE.
 23 *
 24 * Authors: Dave Airlie
 25 *          Alex Deucher
 26 *          Jerome Glisse
 27 */
 28/* RS600 / Radeon X1250/X1270 integrated GPU
 29 *
 30 * This file gather function specific to RS600 which is the IGP of
 31 * the X1250/X1270 family supporting intel CPU (while RS690/RS740
 32 * is the X1250/X1270 supporting AMD CPU). The display engine are
 33 * the avivo one, bios is an atombios, 3D block are the one of the
 34 * R4XX family. The GART is different from the RS400 one and is very
 35 * close to the one of the R600 family (R600 likely being an evolution
 36 * of the RS600 GART block).
 37 */
 38#include "drmP.h"
 
 
 
 
 
 
 
 
 
 39#include "radeon.h"
 40#include "radeon_asic.h"
 41#include "atom.h"
 42#include "rs600d.h"
 43
 44#include "rs600_reg_safe.h"
 
 45
 46void rs600_gpu_init(struct radeon_device *rdev);
 47int rs600_mc_wait_for_idle(struct radeon_device *rdev);
 48
 49void rs600_pre_page_flip(struct radeon_device *rdev, int crtc)
 50{
 51	/* enable the pflip int */
 52	radeon_irq_kms_pflip_irq_get(rdev, crtc);
 
 
 
 
 
 
 
 
 53}
 54
 55void rs600_post_page_flip(struct radeon_device *rdev, int crtc)
 56{
 57	/* disable the pflip int */
 58	radeon_irq_kms_pflip_irq_put(rdev, crtc);
 
 
 
 
 
 
 
 59}
 60
 61u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 62{
 63	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 
 64	u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
 
 65
 66	/* Lock the graphics update lock */
 67	tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
 68	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
 69
 
 
 
 
 
 
 70	/* update the scanout addresses */
 71	WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
 72	       (u32)crtc_base);
 73	WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
 74	       (u32)crtc_base);
 75
 76	/* Wait for update_pending to go high. */
 77	while (!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING));
 
 
 
 
 78	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 79
 80	/* Unlock the lock, so double-buffering can take place inside vblank */
 81	tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
 82	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
 
 
 
 
 
 83
 84	/* Return current update_pending status: */
 85	return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 86}
 87
 88void rs600_pm_misc(struct radeon_device *rdev)
 89{
 90	int requested_index = rdev->pm.requested_power_state_index;
 91	struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
 92	struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
 93	u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
 94	u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
 95
 96	if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
 97		if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
 98			tmp = RREG32(voltage->gpio.reg);
 99			if (voltage->active_high)
100				tmp |= voltage->gpio.mask;
101			else
102				tmp &= ~(voltage->gpio.mask);
103			WREG32(voltage->gpio.reg, tmp);
104			if (voltage->delay)
105				udelay(voltage->delay);
106		} else {
107			tmp = RREG32(voltage->gpio.reg);
108			if (voltage->active_high)
109				tmp &= ~voltage->gpio.mask;
110			else
111				tmp |= voltage->gpio.mask;
112			WREG32(voltage->gpio.reg, tmp);
113			if (voltage->delay)
114				udelay(voltage->delay);
115		}
116	} else if (voltage->type == VOLTAGE_VDDC)
117		radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
118
119	dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
120	dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
121	dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
122	if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
123		if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
124			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
125			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
126		} else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
127			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
128			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
129		}
130	} else {
131		dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
132		dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
133	}
134	WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
135
136	dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
137	if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
138		dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
139		if (voltage->delay) {
140			dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
141			dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
142		} else
143			dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
144	} else
145		dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
146	WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
147
148	hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
149	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
150		hdp_dyn_cntl &= ~HDP_FORCEON;
151	else
152		hdp_dyn_cntl |= HDP_FORCEON;
153	WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
154#if 0
155	/* mc_host_dyn seems to cause hangs from time to time */
156	mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
157	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
158		mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
159	else
160		mc_host_dyn_cntl |= MC_HOST_FORCEON;
161	WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
162#endif
163	dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
164	if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
165		dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
166	else
167		dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
168	WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
169
170	/* set pcie lanes */
171	if ((rdev->flags & RADEON_IS_PCIE) &&
172	    !(rdev->flags & RADEON_IS_IGP) &&
173	    rdev->asic->set_pcie_lanes &&
174	    (ps->pcie_lanes !=
175	     rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
176		radeon_set_pcie_lanes(rdev,
177				      ps->pcie_lanes);
178		DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
179	}
180}
181
182void rs600_pm_prepare(struct radeon_device *rdev)
183{
184	struct drm_device *ddev = rdev->ddev;
185	struct drm_crtc *crtc;
186	struct radeon_crtc *radeon_crtc;
187	u32 tmp;
188
189	/* disable any active CRTCs */
190	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
191		radeon_crtc = to_radeon_crtc(crtc);
192		if (radeon_crtc->enabled) {
193			tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
194			tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
195			WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
196		}
197	}
198}
199
200void rs600_pm_finish(struct radeon_device *rdev)
201{
202	struct drm_device *ddev = rdev->ddev;
203	struct drm_crtc *crtc;
204	struct radeon_crtc *radeon_crtc;
205	u32 tmp;
206
207	/* enable any active CRTCs */
208	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
209		radeon_crtc = to_radeon_crtc(crtc);
210		if (radeon_crtc->enabled) {
211			tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
212			tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
213			WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
214		}
215	}
216}
217
218/* hpd for digital panel detect/disconnect */
219bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
220{
221	u32 tmp;
222	bool connected = false;
223
224	switch (hpd) {
225	case RADEON_HPD_1:
226		tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
227		if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
228			connected = true;
229		break;
230	case RADEON_HPD_2:
231		tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
232		if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
233			connected = true;
234		break;
235	default:
236		break;
237	}
238	return connected;
239}
240
241void rs600_hpd_set_polarity(struct radeon_device *rdev,
242			    enum radeon_hpd_id hpd)
243{
244	u32 tmp;
245	bool connected = rs600_hpd_sense(rdev, hpd);
246
247	switch (hpd) {
248	case RADEON_HPD_1:
249		tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
250		if (connected)
251			tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
252		else
253			tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
254		WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
255		break;
256	case RADEON_HPD_2:
257		tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
258		if (connected)
259			tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
260		else
261			tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
262		WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
263		break;
264	default:
265		break;
266	}
267}
268
269void rs600_hpd_init(struct radeon_device *rdev)
270{
271	struct drm_device *dev = rdev->ddev;
272	struct drm_connector *connector;
 
273
274	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
275		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
276		switch (radeon_connector->hpd.hpd) {
277		case RADEON_HPD_1:
278			WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
279			       S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
280			rdev->irq.hpd[0] = true;
281			break;
282		case RADEON_HPD_2:
283			WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
284			       S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
285			rdev->irq.hpd[1] = true;
286			break;
287		default:
288			break;
289		}
 
 
 
290	}
291	if (rdev->irq.installed)
292		rs600_irq_set(rdev);
293}
294
295void rs600_hpd_fini(struct radeon_device *rdev)
296{
297	struct drm_device *dev = rdev->ddev;
298	struct drm_connector *connector;
 
299
300	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
301		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
302		switch (radeon_connector->hpd.hpd) {
303		case RADEON_HPD_1:
304			WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
305			       S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
306			rdev->irq.hpd[0] = false;
307			break;
308		case RADEON_HPD_2:
309			WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
310			       S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
311			rdev->irq.hpd[1] = false;
312			break;
313		default:
314			break;
315		}
 
 
316	}
 
317}
318
319void rs600_bm_disable(struct radeon_device *rdev)
320{
321	u32 tmp;
322
323	/* disable bus mastering */
324	pci_read_config_word(rdev->pdev, 0x4, (u16*)&tmp);
325	pci_write_config_word(rdev->pdev, 0x4, tmp & 0xFFFB);
326	mdelay(1);
327}
328
329int rs600_asic_reset(struct radeon_device *rdev)
330{
331	struct rv515_mc_save save;
332	u32 status, tmp;
333	int ret = 0;
334
335	status = RREG32(R_000E40_RBBM_STATUS);
336	if (!G_000E40_GUI_ACTIVE(status)) {
337		return 0;
338	}
339	/* Stops all mc clients */
340	rv515_mc_stop(rdev, &save);
341	status = RREG32(R_000E40_RBBM_STATUS);
342	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
343	/* stop CP */
344	WREG32(RADEON_CP_CSQ_CNTL, 0);
345	tmp = RREG32(RADEON_CP_RB_CNTL);
346	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
347	WREG32(RADEON_CP_RB_RPTR_WR, 0);
348	WREG32(RADEON_CP_RB_WPTR, 0);
349	WREG32(RADEON_CP_RB_CNTL, tmp);
350	pci_save_state(rdev->pdev);
351	/* disable bus mastering */
352	rs600_bm_disable(rdev);
 
353	/* reset GA+VAP */
354	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
355					S_0000F0_SOFT_RESET_GA(1));
356	RREG32(R_0000F0_RBBM_SOFT_RESET);
357	mdelay(500);
358	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
359	mdelay(1);
360	status = RREG32(R_000E40_RBBM_STATUS);
361	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
362	/* reset CP */
363	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
364	RREG32(R_0000F0_RBBM_SOFT_RESET);
365	mdelay(500);
366	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
367	mdelay(1);
368	status = RREG32(R_000E40_RBBM_STATUS);
369	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
370	/* reset MC */
371	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
372	RREG32(R_0000F0_RBBM_SOFT_RESET);
373	mdelay(500);
374	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
375	mdelay(1);
376	status = RREG32(R_000E40_RBBM_STATUS);
377	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
378	/* restore PCI & busmastering */
379	pci_restore_state(rdev->pdev);
380	/* Check if GPU is idle */
381	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
382		dev_err(rdev->dev, "failed to reset GPU\n");
383		rdev->gpu_lockup = true;
384		ret = -1;
385	} else
386		dev_info(rdev->dev, "GPU reset succeed\n");
387	rv515_mc_resume(rdev, &save);
388	return ret;
389}
390
391/*
392 * GART.
393 */
394void rs600_gart_tlb_flush(struct radeon_device *rdev)
395{
396	uint32_t tmp;
397
398	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
399	tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
400	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
401
402	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
403	tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
404	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
405
406	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
407	tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
408	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
409	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
410}
411
412int rs600_gart_init(struct radeon_device *rdev)
413{
414	int r;
415
416	if (rdev->gart.table.vram.robj) {
417		WARN(1, "RS600 GART already initialized\n");
418		return 0;
419	}
420	/* Initialize common gart structure */
421	r = radeon_gart_init(rdev);
422	if (r) {
423		return r;
424	}
425	rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
426	return radeon_gart_table_vram_alloc(rdev);
427}
428
429static int rs600_gart_enable(struct radeon_device *rdev)
430{
431	u32 tmp;
432	int r, i;
433
434	if (rdev->gart.table.vram.robj == NULL) {
435		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
436		return -EINVAL;
437	}
438	r = radeon_gart_table_vram_pin(rdev);
439	if (r)
440		return r;
441	radeon_gart_restore(rdev);
442	/* Enable bus master */
443	tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
444	WREG32(RADEON_BUS_CNTL, tmp);
445	/* FIXME: setup default page */
446	WREG32_MC(R_000100_MC_PT0_CNTL,
447		  (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
448		   S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
449
450	for (i = 0; i < 19; i++) {
451		WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
452			  S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
453			  S_00016C_SYSTEM_ACCESS_MODE_MASK(
454				  V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
455			  S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
456				  V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
457			  S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
458			  S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
459			  S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
460	}
461	/* enable first context */
462	WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
463		  S_000102_ENABLE_PAGE_TABLE(1) |
464		  S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
465
466	/* disable all other contexts */
467	for (i = 1; i < 8; i++)
468		WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
469
470	/* setup the page table */
471	WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
472		  rdev->gart.table_addr);
473	WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
474	WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
475	WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
476
477	/* System context maps to VRAM space */
478	WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
479	WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
480
481	/* enable page tables */
482	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
483	WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
484	tmp = RREG32_MC(R_000009_MC_CNTL1);
485	WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
486	rs600_gart_tlb_flush(rdev);
 
 
 
487	rdev->gart.ready = true;
488	return 0;
489}
490
491void rs600_gart_disable(struct radeon_device *rdev)
492{
493	u32 tmp;
494	int r;
495
496	/* FIXME: disable out of gart access */
497	WREG32_MC(R_000100_MC_PT0_CNTL, 0);
498	tmp = RREG32_MC(R_000009_MC_CNTL1);
499	WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
500	if (rdev->gart.table.vram.robj) {
501		r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
502		if (r == 0) {
503			radeon_bo_kunmap(rdev->gart.table.vram.robj);
504			radeon_bo_unpin(rdev->gart.table.vram.robj);
505			radeon_bo_unreserve(rdev->gart.table.vram.robj);
506		}
507	}
508}
509
510void rs600_gart_fini(struct radeon_device *rdev)
511{
512	radeon_gart_fini(rdev);
513	rs600_gart_disable(rdev);
514	radeon_gart_table_vram_free(rdev);
515}
516
517#define R600_PTE_VALID     (1 << 0)
518#define R600_PTE_SYSTEM    (1 << 1)
519#define R600_PTE_SNOOPED   (1 << 2)
520#define R600_PTE_READABLE  (1 << 5)
521#define R600_PTE_WRITEABLE (1 << 6)
522
523int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
524{
525	void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
526
527	if (i < 0 || i > rdev->gart.num_gpu_pages) {
528		return -EINVAL;
529	}
530	addr = addr & 0xFFFFFFFFFFFFF000ULL;
531	addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
532	addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
533	writeq(addr, ptr + (i * 8));
534	return 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
535}
536
537int rs600_irq_set(struct radeon_device *rdev)
538{
539	uint32_t tmp = 0;
540	uint32_t mode_int = 0;
541	u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
542		~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
543	u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
544		~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 
 
 
 
 
 
545
546	if (!rdev->irq.installed) {
547		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
548		WREG32(R_000040_GEN_INT_CNTL, 0);
549		return -EINVAL;
550	}
551	if (rdev->irq.sw_int) {
552		tmp |= S_000040_SW_INT_EN(1);
553	}
554	if (rdev->irq.gui_idle) {
555		tmp |= S_000040_GUI_IDLE(1);
556	}
557	if (rdev->irq.crtc_vblank_int[0] ||
558	    rdev->irq.pflip[0]) {
559		mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
560	}
561	if (rdev->irq.crtc_vblank_int[1] ||
562	    rdev->irq.pflip[1]) {
563		mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
564	}
565	if (rdev->irq.hpd[0]) {
566		hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
567	}
568	if (rdev->irq.hpd[1]) {
569		hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
570	}
 
 
 
571	WREG32(R_000040_GEN_INT_CNTL, tmp);
572	WREG32(R_006540_DxMODE_INT_MASK, mode_int);
573	WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
574	WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
 
 
 
 
 
 
575	return 0;
576}
577
578static inline u32 rs600_irq_ack(struct radeon_device *rdev)
579{
580	uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
581	uint32_t irq_mask = S_000044_SW_INT(1);
582	u32 tmp;
583
584	/* the interrupt works, but the status bit is permanently asserted */
585	if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
586		if (!rdev->irq.gui_idle_acked)
587			irq_mask |= S_000044_GUI_IDLE_STAT(1);
588	}
589
590	if (G_000044_DISPLAY_INT_STAT(irqs)) {
591		rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
592		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
593			WREG32(R_006534_D1MODE_VBLANK_STATUS,
594				S_006534_D1MODE_VBLANK_ACK(1));
595		}
596		if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
597			WREG32(R_006D34_D2MODE_VBLANK_STATUS,
598				S_006D34_D2MODE_VBLANK_ACK(1));
599		}
600		if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
601			tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
602			tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
603			WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
604		}
605		if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
606			tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
607			tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
608			WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
609		}
610	} else {
611		rdev->irq.stat_regs.r500.disp_int = 0;
612	}
613
 
 
 
 
 
 
 
 
 
 
 
614	if (irqs) {
615		WREG32(R_000044_GEN_INT_STATUS, irqs);
616	}
617	return irqs & irq_mask;
618}
619
620void rs600_irq_disable(struct radeon_device *rdev)
621{
 
 
 
622	WREG32(R_000040_GEN_INT_CNTL, 0);
623	WREG32(R_006540_DxMODE_INT_MASK, 0);
624	/* Wait and acknowledge irq */
625	mdelay(1);
626	rs600_irq_ack(rdev);
627}
628
629int rs600_irq_process(struct radeon_device *rdev)
630{
631	u32 status, msi_rearm;
632	bool queue_hotplug = false;
633
634	/* reset gui idle ack.  the status bit is broken */
635	rdev->irq.gui_idle_acked = false;
636
637	status = rs600_irq_ack(rdev);
638	if (!status && !rdev->irq.stat_regs.r500.disp_int) {
 
 
639		return IRQ_NONE;
640	}
641	while (status || rdev->irq.stat_regs.r500.disp_int) {
 
 
642		/* SW interrupt */
643		if (G_000044_SW_INT(status)) {
644			radeon_fence_process(rdev);
645		}
646		/* GUI idle */
647		if (G_000040_GUI_IDLE(status)) {
648			rdev->irq.gui_idle_acked = true;
649			rdev->pm.gui_idle = true;
650			wake_up(&rdev->irq.idle_queue);
651		}
652		/* Vertical blank interrupts */
653		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
654			if (rdev->irq.crtc_vblank_int[0]) {
655				drm_handle_vblank(rdev->ddev, 0);
656				rdev->pm.vblank_sync = true;
657				wake_up(&rdev->irq.vblank_queue);
658			}
659			if (rdev->irq.pflip[0])
660				radeon_crtc_handle_flip(rdev, 0);
661		}
662		if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
663			if (rdev->irq.crtc_vblank_int[1]) {
664				drm_handle_vblank(rdev->ddev, 1);
665				rdev->pm.vblank_sync = true;
666				wake_up(&rdev->irq.vblank_queue);
667			}
668			if (rdev->irq.pflip[1])
669				radeon_crtc_handle_flip(rdev, 1);
670		}
671		if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
672			queue_hotplug = true;
673			DRM_DEBUG("HPD1\n");
674		}
675		if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
676			queue_hotplug = true;
677			DRM_DEBUG("HPD2\n");
678		}
 
 
 
 
679		status = rs600_irq_ack(rdev);
680	}
681	/* reset gui idle ack.  the status bit is broken */
682	rdev->irq.gui_idle_acked = false;
683	if (queue_hotplug)
684		schedule_work(&rdev->hotplug_work);
 
 
685	if (rdev->msi_enabled) {
686		switch (rdev->family) {
687		case CHIP_RS600:
688		case CHIP_RS690:
689		case CHIP_RS740:
690			msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
691			WREG32(RADEON_BUS_CNTL, msi_rearm);
692			WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
693			break;
694		default:
695			msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
696			WREG32(RADEON_MSI_REARM_EN, msi_rearm);
697			WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
698			break;
699		}
700	}
701	return IRQ_HANDLED;
702}
703
704u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
705{
706	if (crtc == 0)
707		return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
708	else
709		return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
710}
711
712int rs600_mc_wait_for_idle(struct radeon_device *rdev)
713{
714	unsigned i;
715
716	for (i = 0; i < rdev->usec_timeout; i++) {
717		if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
718			return 0;
719		udelay(1);
720	}
721	return -1;
722}
723
724void rs600_gpu_init(struct radeon_device *rdev)
725{
726	r420_pipes_init(rdev);
727	/* Wait for mc idle */
728	if (rs600_mc_wait_for_idle(rdev))
729		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
730}
731
732void rs600_mc_init(struct radeon_device *rdev)
733{
734	u64 base;
735
736	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
737	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
738	rdev->mc.vram_is_ddr = true;
739	rdev->mc.vram_width = 128;
740	rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
741	rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
742	rdev->mc.visible_vram_size = rdev->mc.aper_size;
743	rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
744	base = RREG32_MC(R_000004_MC_FB_LOCATION);
745	base = G_000004_MC_FB_START(base) << 16;
746	radeon_vram_location(rdev, &rdev->mc, base);
747	rdev->mc.gtt_base_align = 0;
748	radeon_gtt_location(rdev, &rdev->mc);
749	radeon_update_bandwidth_info(rdev);
750}
751
752void rs600_bandwidth_update(struct radeon_device *rdev)
753{
754	struct drm_display_mode *mode0 = NULL;
755	struct drm_display_mode *mode1 = NULL;
756	u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
757	/* FIXME: implement full support */
758
 
 
 
759	radeon_update_display_priority(rdev);
760
761	if (rdev->mode_info.crtcs[0]->base.enabled)
762		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
763	if (rdev->mode_info.crtcs[1]->base.enabled)
764		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
765
766	rs690_line_buffer_adjust(rdev, mode0, mode1);
767
768	if (rdev->disp_priority == 2) {
769		d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
770		d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
771		d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
772		d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
773		WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
774		WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
775		WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
776		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
777	}
778}
779
780uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
781{
 
 
 
 
782	WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
783		S_000070_MC_IND_CITF_ARB0(1));
784	return RREG32(R_000074_MC_IND_DATA);
 
 
785}
786
787void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
788{
 
 
 
789	WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
790		S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
791	WREG32(R_000074_MC_IND_DATA, v);
792}
793
794void rs600_debugfs(struct radeon_device *rdev)
795{
796	if (r100_debugfs_rbbm_init(rdev))
797		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
798}
799
800void rs600_set_safe_registers(struct radeon_device *rdev)
801{
802	rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
803	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
804}
805
806static void rs600_mc_program(struct radeon_device *rdev)
807{
808	struct rv515_mc_save save;
809
810	/* Stops all mc clients */
811	rv515_mc_stop(rdev, &save);
812
813	/* Wait for mc idle */
814	if (rs600_mc_wait_for_idle(rdev))
815		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
816
817	/* FIXME: What does AGP means for such chipset ? */
818	WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
819	WREG32_MC(R_000006_AGP_BASE, 0);
820	WREG32_MC(R_000007_AGP_BASE_2, 0);
821	/* Program MC */
822	WREG32_MC(R_000004_MC_FB_LOCATION,
823			S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
824			S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
825	WREG32(R_000134_HDP_FB_LOCATION,
826		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
827
828	rv515_mc_resume(rdev, &save);
829}
830
831static int rs600_startup(struct radeon_device *rdev)
832{
833	int r;
834
835	rs600_mc_program(rdev);
836	/* Resume clock */
837	rv515_clock_startup(rdev);
838	/* Initialize GPU configuration (# pipes, ...) */
839	rs600_gpu_init(rdev);
840	/* Initialize GART (initialize after TTM so we can allocate
841	 * memory through TTM but finalize after TTM) */
842	r = rs600_gart_enable(rdev);
843	if (r)
844		return r;
845
846	/* allocate wb buffer */
847	r = radeon_wb_init(rdev);
848	if (r)
849		return r;
850
 
 
 
 
 
 
851	/* Enable IRQ */
 
 
 
 
 
 
852	rs600_irq_set(rdev);
853	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
854	/* 1M ring buffer */
855	r = r100_cp_init(rdev, 1024 * 1024);
856	if (r) {
857		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
858		return r;
859	}
860	r = r100_ib_init(rdev);
 
861	if (r) {
862		dev_err(rdev->dev, "failed initializing IB (%d).\n", r);
863		return r;
864	}
865
866	r = r600_audio_init(rdev);
867	if (r) {
868		dev_err(rdev->dev, "failed initializing audio\n");
869		return r;
870	}
871
872	return 0;
873}
874
875int rs600_resume(struct radeon_device *rdev)
876{
 
 
877	/* Make sur GART are not working */
878	rs600_gart_disable(rdev);
879	/* Resume clock before doing reset */
880	rv515_clock_startup(rdev);
881	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
882	if (radeon_asic_reset(rdev)) {
883		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
884			RREG32(R_000E40_RBBM_STATUS),
885			RREG32(R_0007C0_CP_STAT));
886	}
887	/* post */
888	atom_asic_init(rdev->mode_info.atom_context);
889	/* Resume clock after posting */
890	rv515_clock_startup(rdev);
891	/* Initialize surface registers */
892	radeon_surface_init(rdev);
893	return rs600_startup(rdev);
 
 
 
 
 
 
894}
895
896int rs600_suspend(struct radeon_device *rdev)
897{
898	r600_audio_fini(rdev);
 
899	r100_cp_disable(rdev);
900	radeon_wb_disable(rdev);
901	rs600_irq_disable(rdev);
902	rs600_gart_disable(rdev);
903	return 0;
904}
905
906void rs600_fini(struct radeon_device *rdev)
907{
908	r600_audio_fini(rdev);
 
909	r100_cp_fini(rdev);
910	radeon_wb_fini(rdev);
911	r100_ib_fini(rdev);
912	radeon_gem_fini(rdev);
913	rs600_gart_fini(rdev);
914	radeon_irq_kms_fini(rdev);
915	radeon_fence_driver_fini(rdev);
916	radeon_bo_fini(rdev);
917	radeon_atombios_fini(rdev);
918	kfree(rdev->bios);
919	rdev->bios = NULL;
920}
921
922int rs600_init(struct radeon_device *rdev)
923{
924	int r;
925
926	/* Disable VGA */
927	rv515_vga_render_disable(rdev);
928	/* Initialize scratch registers */
929	radeon_scratch_init(rdev);
930	/* Initialize surface registers */
931	radeon_surface_init(rdev);
932	/* restore some register to sane defaults */
933	r100_restore_sanity(rdev);
934	/* BIOS */
935	if (!radeon_get_bios(rdev)) {
936		if (ASIC_IS_AVIVO(rdev))
937			return -EINVAL;
938	}
939	if (rdev->is_atom_bios) {
940		r = radeon_atombios_init(rdev);
941		if (r)
942			return r;
943	} else {
944		dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
945		return -EINVAL;
946	}
947	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
948	if (radeon_asic_reset(rdev)) {
949		dev_warn(rdev->dev,
950			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
951			RREG32(R_000E40_RBBM_STATUS),
952			RREG32(R_0007C0_CP_STAT));
953	}
954	/* check if cards are posted or not */
955	if (radeon_boot_test_post_card(rdev) == false)
956		return -EINVAL;
957
958	/* Initialize clocks */
959	radeon_get_clock_info(rdev->ddev);
960	/* initialize memory controller */
961	rs600_mc_init(rdev);
962	rs600_debugfs(rdev);
963	/* Fence driver */
964	r = radeon_fence_driver_init(rdev);
965	if (r)
966		return r;
967	r = radeon_irq_kms_init(rdev);
968	if (r)
969		return r;
970	/* Memory manager */
971	r = radeon_bo_init(rdev);
972	if (r)
973		return r;
974	r = rs600_gart_init(rdev);
975	if (r)
976		return r;
977	rs600_set_safe_registers(rdev);
 
 
 
 
978	rdev->accel_working = true;
979	r = rs600_startup(rdev);
980	if (r) {
981		/* Somethings want wront with the accel init stop accel */
982		dev_err(rdev->dev, "Disabling GPU acceleration\n");
983		r100_cp_fini(rdev);
984		radeon_wb_fini(rdev);
985		r100_ib_fini(rdev);
986		rs600_gart_fini(rdev);
987		radeon_irq_kms_fini(rdev);
988		rdev->accel_working = false;
989	}
990	return 0;
991}
v6.2
   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
  28/* RS600 / Radeon X1250/X1270 integrated GPU
  29 *
  30 * This file gather function specific to RS600 which is the IGP of
  31 * the X1250/X1270 family supporting intel CPU (while RS690/RS740
  32 * is the X1250/X1270 supporting AMD CPU). The display engine are
  33 * the avivo one, bios is an atombios, 3D block are the one of the
  34 * R4XX family. The GART is different from the RS400 one and is very
  35 * close to the one of the R600 family (R600 likely being an evolution
  36 * of the RS600 GART block).
  37 */
  38
  39#include <linux/io-64-nonatomic-lo-hi.h>
  40#include <linux/pci.h>
  41
  42#include <drm/drm_device.h>
  43#include <drm/drm_vblank.h>
  44#include <drm/drm_fourcc.h>
  45#include <drm/drm_framebuffer.h>
  46
  47#include "atom.h"
  48#include "radeon.h"
  49#include "radeon_asic.h"
  50#include "radeon_audio.h"
 
 
  51#include "rs600_reg_safe.h"
  52#include "rs600d.h"
  53
  54static void rs600_gpu_init(struct radeon_device *rdev);
  55int rs600_mc_wait_for_idle(struct radeon_device *rdev);
  56
  57static const u32 crtc_offsets[2] =
  58{
  59	0,
  60	AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
  61};
  62
  63static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc)
  64{
  65	if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)
  66		return true;
  67	else
  68		return false;
  69}
  70
  71static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc)
  72{
  73	u32 pos1, pos2;
  74
  75	pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
  76	pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
  77
  78	if (pos1 != pos2)
  79		return true;
  80	else
  81		return false;
  82}
  83
  84/**
  85 * avivo_wait_for_vblank - vblank wait asic callback.
  86 *
  87 * @rdev: radeon_device pointer
  88 * @crtc: crtc to wait for vblank on
  89 *
  90 * Wait for vblank on the requested crtc (r5xx-r7xx).
  91 */
  92void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc)
  93{
  94	unsigned i = 0;
  95
  96	if (crtc >= rdev->num_crtc)
  97		return;
  98
  99	if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN))
 100		return;
 101
 102	/* depending on when we hit vblank, we may be close to active; if so,
 103	 * wait for another frame.
 104	 */
 105	while (avivo_is_in_vblank(rdev, crtc)) {
 106		if (i++ % 100 == 0) {
 107			if (!avivo_is_counter_moving(rdev, crtc))
 108				break;
 109		}
 110	}
 111
 112	while (!avivo_is_in_vblank(rdev, crtc)) {
 113		if (i++ % 100 == 0) {
 114			if (!avivo_is_counter_moving(rdev, crtc))
 115				break;
 116		}
 117	}
 118}
 119
 120void rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
 121{
 122	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 123	struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
 124	u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
 125	int i;
 126
 127	/* Lock the graphics update lock */
 128	tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
 129	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
 130
 131	/* flip at hsync for async, default is vsync */
 132	WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
 133	       async ? AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
 134	/* update pitch */
 135	WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset,
 136	       fb->pitches[0] / fb->format->cpp[0]);
 137	/* update the scanout addresses */
 138	WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
 139	       (u32)crtc_base);
 140	WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
 141	       (u32)crtc_base);
 142
 143	/* Wait for update_pending to go high. */
 144	for (i = 0; i < rdev->usec_timeout; i++) {
 145		if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
 146			break;
 147		udelay(1);
 148	}
 149	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 150
 151	/* Unlock the lock, so double-buffering can take place inside vblank */
 152	tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
 153	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
 154}
 155
 156bool rs600_page_flip_pending(struct radeon_device *rdev, int crtc_id)
 157{
 158	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 159
 160	/* Return current update_pending status: */
 161	return !!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) &
 162		AVIVO_D1GRPH_SURFACE_UPDATE_PENDING);
 163}
 164
 165void avivo_program_fmt(struct drm_encoder *encoder)
 166{
 167	struct drm_device *dev = encoder->dev;
 168	struct radeon_device *rdev = dev->dev_private;
 169	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 170	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 171	int bpc = 0;
 172	u32 tmp = 0;
 173	enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
 174
 175	if (connector) {
 176		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 177		bpc = radeon_get_monitor_bpc(connector);
 178		dither = radeon_connector->dither;
 179	}
 180
 181	/* LVDS FMT is set up by atom */
 182	if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 183		return;
 184
 185	if (bpc == 0)
 186		return;
 187
 188	switch (bpc) {
 189	case 6:
 190		if (dither == RADEON_FMT_DITHER_ENABLE)
 191			/* XXX sort out optimal dither settings */
 192			tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN;
 193		else
 194			tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN;
 195		break;
 196	case 8:
 197		if (dither == RADEON_FMT_DITHER_ENABLE)
 198			/* XXX sort out optimal dither settings */
 199			tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN |
 200				AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_DEPTH);
 201		else
 202			tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN |
 203				AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_DEPTH);
 204		break;
 205	case 10:
 206	default:
 207		/* not needed */
 208		break;
 209	}
 210
 211	switch (radeon_encoder->encoder_id) {
 212	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
 213		WREG32(AVIVO_TMDSA_BIT_DEPTH_CONTROL, tmp);
 214		break;
 215	case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
 216		WREG32(AVIVO_LVTMA_BIT_DEPTH_CONTROL, tmp);
 217		break;
 218	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
 219		WREG32(AVIVO_DVOA_BIT_DEPTH_CONTROL, tmp);
 220		break;
 221	case ENCODER_OBJECT_ID_INTERNAL_DDI:
 222		WREG32(AVIVO_DDIA_BIT_DEPTH_CONTROL, tmp);
 223		break;
 224	default:
 225		break;
 226	}
 227}
 228
 229void rs600_pm_misc(struct radeon_device *rdev)
 230{
 231	int requested_index = rdev->pm.requested_power_state_index;
 232	struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
 233	struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
 234	u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
 235	u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
 236
 237	if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
 238		if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
 239			tmp = RREG32(voltage->gpio.reg);
 240			if (voltage->active_high)
 241				tmp |= voltage->gpio.mask;
 242			else
 243				tmp &= ~(voltage->gpio.mask);
 244			WREG32(voltage->gpio.reg, tmp);
 245			if (voltage->delay)
 246				udelay(voltage->delay);
 247		} else {
 248			tmp = RREG32(voltage->gpio.reg);
 249			if (voltage->active_high)
 250				tmp &= ~voltage->gpio.mask;
 251			else
 252				tmp |= voltage->gpio.mask;
 253			WREG32(voltage->gpio.reg, tmp);
 254			if (voltage->delay)
 255				udelay(voltage->delay);
 256		}
 257	} else if (voltage->type == VOLTAGE_VDDC)
 258		radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
 259
 260	dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
 261	dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
 262	dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
 263	if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
 264		if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
 265			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
 266			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
 267		} else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
 268			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
 269			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
 270		}
 271	} else {
 272		dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
 273		dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
 274	}
 275	WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
 276
 277	dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
 278	if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
 279		dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
 280		if (voltage->delay) {
 281			dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
 282			dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
 283		} else
 284			dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
 285	} else
 286		dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
 287	WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
 288
 289	hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
 290	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
 291		hdp_dyn_cntl &= ~HDP_FORCEON;
 292	else
 293		hdp_dyn_cntl |= HDP_FORCEON;
 294	WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
 295#if 0
 296	/* mc_host_dyn seems to cause hangs from time to time */
 297	mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
 298	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
 299		mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
 300	else
 301		mc_host_dyn_cntl |= MC_HOST_FORCEON;
 302	WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
 303#endif
 304	dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
 305	if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
 306		dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
 307	else
 308		dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
 309	WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
 310
 311	/* set pcie lanes */
 312	if ((rdev->flags & RADEON_IS_PCIE) &&
 313	    !(rdev->flags & RADEON_IS_IGP) &&
 314	    rdev->asic->pm.set_pcie_lanes &&
 315	    (ps->pcie_lanes !=
 316	     rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
 317		radeon_set_pcie_lanes(rdev,
 318				      ps->pcie_lanes);
 319		DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
 320	}
 321}
 322
 323void rs600_pm_prepare(struct radeon_device *rdev)
 324{
 325	struct drm_device *ddev = rdev->ddev;
 326	struct drm_crtc *crtc;
 327	struct radeon_crtc *radeon_crtc;
 328	u32 tmp;
 329
 330	/* disable any active CRTCs */
 331	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 332		radeon_crtc = to_radeon_crtc(crtc);
 333		if (radeon_crtc->enabled) {
 334			tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
 335			tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
 336			WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
 337		}
 338	}
 339}
 340
 341void rs600_pm_finish(struct radeon_device *rdev)
 342{
 343	struct drm_device *ddev = rdev->ddev;
 344	struct drm_crtc *crtc;
 345	struct radeon_crtc *radeon_crtc;
 346	u32 tmp;
 347
 348	/* enable any active CRTCs */
 349	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 350		radeon_crtc = to_radeon_crtc(crtc);
 351		if (radeon_crtc->enabled) {
 352			tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
 353			tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
 354			WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
 355		}
 356	}
 357}
 358
 359/* hpd for digital panel detect/disconnect */
 360bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 361{
 362	u32 tmp;
 363	bool connected = false;
 364
 365	switch (hpd) {
 366	case RADEON_HPD_1:
 367		tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
 368		if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
 369			connected = true;
 370		break;
 371	case RADEON_HPD_2:
 372		tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
 373		if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
 374			connected = true;
 375		break;
 376	default:
 377		break;
 378	}
 379	return connected;
 380}
 381
 382void rs600_hpd_set_polarity(struct radeon_device *rdev,
 383			    enum radeon_hpd_id hpd)
 384{
 385	u32 tmp;
 386	bool connected = rs600_hpd_sense(rdev, hpd);
 387
 388	switch (hpd) {
 389	case RADEON_HPD_1:
 390		tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
 391		if (connected)
 392			tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
 393		else
 394			tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
 395		WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 396		break;
 397	case RADEON_HPD_2:
 398		tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
 399		if (connected)
 400			tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
 401		else
 402			tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
 403		WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 404		break;
 405	default:
 406		break;
 407	}
 408}
 409
 410void rs600_hpd_init(struct radeon_device *rdev)
 411{
 412	struct drm_device *dev = rdev->ddev;
 413	struct drm_connector *connector;
 414	unsigned enable = 0;
 415
 416	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 417		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 418		switch (radeon_connector->hpd.hpd) {
 419		case RADEON_HPD_1:
 420			WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
 421			       S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
 
 422			break;
 423		case RADEON_HPD_2:
 424			WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
 425			       S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
 
 426			break;
 427		default:
 428			break;
 429		}
 430		if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
 431			enable |= 1 << radeon_connector->hpd.hpd;
 432		radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 433	}
 434	radeon_irq_kms_enable_hpd(rdev, enable);
 
 435}
 436
 437void rs600_hpd_fini(struct radeon_device *rdev)
 438{
 439	struct drm_device *dev = rdev->ddev;
 440	struct drm_connector *connector;
 441	unsigned disable = 0;
 442
 443	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 444		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 445		switch (radeon_connector->hpd.hpd) {
 446		case RADEON_HPD_1:
 447			WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
 448			       S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
 
 449			break;
 450		case RADEON_HPD_2:
 451			WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
 452			       S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
 
 453			break;
 454		default:
 455			break;
 456		}
 457		if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
 458			disable |= 1 << radeon_connector->hpd.hpd;
 459	}
 460	radeon_irq_kms_disable_hpd(rdev, disable);
 461}
 462
 463int rs600_asic_reset(struct radeon_device *rdev, bool hard)
 
 
 
 
 
 
 
 
 
 
 464{
 465	struct rv515_mc_save save;
 466	u32 status, tmp;
 467	int ret = 0;
 468
 469	status = RREG32(R_000E40_RBBM_STATUS);
 470	if (!G_000E40_GUI_ACTIVE(status)) {
 471		return 0;
 472	}
 473	/* Stops all mc clients */
 474	rv515_mc_stop(rdev, &save);
 475	status = RREG32(R_000E40_RBBM_STATUS);
 476	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 477	/* stop CP */
 478	WREG32(RADEON_CP_CSQ_CNTL, 0);
 479	tmp = RREG32(RADEON_CP_RB_CNTL);
 480	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 481	WREG32(RADEON_CP_RB_RPTR_WR, 0);
 482	WREG32(RADEON_CP_RB_WPTR, 0);
 483	WREG32(RADEON_CP_RB_CNTL, tmp);
 484	pci_save_state(rdev->pdev);
 485	/* disable bus mastering */
 486	pci_clear_master(rdev->pdev);
 487	mdelay(1);
 488	/* reset GA+VAP */
 489	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
 490					S_0000F0_SOFT_RESET_GA(1));
 491	RREG32(R_0000F0_RBBM_SOFT_RESET);
 492	mdelay(500);
 493	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 494	mdelay(1);
 495	status = RREG32(R_000E40_RBBM_STATUS);
 496	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 497	/* reset CP */
 498	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
 499	RREG32(R_0000F0_RBBM_SOFT_RESET);
 500	mdelay(500);
 501	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 502	mdelay(1);
 503	status = RREG32(R_000E40_RBBM_STATUS);
 504	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 505	/* reset MC */
 506	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
 507	RREG32(R_0000F0_RBBM_SOFT_RESET);
 508	mdelay(500);
 509	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 510	mdelay(1);
 511	status = RREG32(R_000E40_RBBM_STATUS);
 512	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 513	/* restore PCI & busmastering */
 514	pci_restore_state(rdev->pdev);
 515	/* Check if GPU is idle */
 516	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
 517		dev_err(rdev->dev, "failed to reset GPU\n");
 
 518		ret = -1;
 519	} else
 520		dev_info(rdev->dev, "GPU reset succeed\n");
 521	rv515_mc_resume(rdev, &save);
 522	return ret;
 523}
 524
 525/*
 526 * GART.
 527 */
 528void rs600_gart_tlb_flush(struct radeon_device *rdev)
 529{
 530	uint32_t tmp;
 531
 532	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 533	tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
 534	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 535
 536	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 537	tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
 538	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 539
 540	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 541	tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
 542	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 543	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 544}
 545
 546static int rs600_gart_init(struct radeon_device *rdev)
 547{
 548	int r;
 549
 550	if (rdev->gart.robj) {
 551		WARN(1, "RS600 GART already initialized\n");
 552		return 0;
 553	}
 554	/* Initialize common gart structure */
 555	r = radeon_gart_init(rdev);
 556	if (r) {
 557		return r;
 558	}
 559	rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
 560	return radeon_gart_table_vram_alloc(rdev);
 561}
 562
 563static int rs600_gart_enable(struct radeon_device *rdev)
 564{
 565	u32 tmp;
 566	int r, i;
 567
 568	if (rdev->gart.robj == NULL) {
 569		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 570		return -EINVAL;
 571	}
 572	r = radeon_gart_table_vram_pin(rdev);
 573	if (r)
 574		return r;
 
 575	/* Enable bus master */
 576	tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
 577	WREG32(RADEON_BUS_CNTL, tmp);
 578	/* FIXME: setup default page */
 579	WREG32_MC(R_000100_MC_PT0_CNTL,
 580		  (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
 581		   S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
 582
 583	for (i = 0; i < 19; i++) {
 584		WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
 585			  S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
 586			  S_00016C_SYSTEM_ACCESS_MODE_MASK(
 587				  V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
 588			  S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
 589				  V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
 590			  S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
 591			  S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
 592			  S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
 593	}
 594	/* enable first context */
 595	WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
 596		  S_000102_ENABLE_PAGE_TABLE(1) |
 597		  S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
 598
 599	/* disable all other contexts */
 600	for (i = 1; i < 8; i++)
 601		WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
 602
 603	/* setup the page table */
 604	WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
 605		  rdev->gart.table_addr);
 606	WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
 607	WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
 608	WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
 609
 610	/* System context maps to VRAM space */
 611	WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
 612	WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
 613
 614	/* enable page tables */
 615	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 616	WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
 617	tmp = RREG32_MC(R_000009_MC_CNTL1);
 618	WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
 619	rs600_gart_tlb_flush(rdev);
 620	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 621		 (unsigned)(rdev->mc.gtt_size >> 20),
 622		 (unsigned long long)rdev->gart.table_addr);
 623	rdev->gart.ready = true;
 624	return 0;
 625}
 626
 627static void rs600_gart_disable(struct radeon_device *rdev)
 628{
 629	u32 tmp;
 
 630
 631	/* FIXME: disable out of gart access */
 632	WREG32_MC(R_000100_MC_PT0_CNTL, 0);
 633	tmp = RREG32_MC(R_000009_MC_CNTL1);
 634	WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
 635	radeon_gart_table_vram_unpin(rdev);
 
 
 
 
 
 
 
 636}
 637
 638static void rs600_gart_fini(struct radeon_device *rdev)
 639{
 640	radeon_gart_fini(rdev);
 641	rs600_gart_disable(rdev);
 642	radeon_gart_table_vram_free(rdev);
 643}
 644
 645uint64_t rs600_gart_get_page_entry(uint64_t addr, uint32_t flags)
 
 
 
 
 
 
 646{
 
 
 
 
 
 647	addr = addr & 0xFFFFFFFFFFFFF000ULL;
 648	addr |= R600_PTE_SYSTEM;
 649	if (flags & RADEON_GART_PAGE_VALID)
 650		addr |= R600_PTE_VALID;
 651	if (flags & RADEON_GART_PAGE_READ)
 652		addr |= R600_PTE_READABLE;
 653	if (flags & RADEON_GART_PAGE_WRITE)
 654		addr |= R600_PTE_WRITEABLE;
 655	if (flags & RADEON_GART_PAGE_SNOOP)
 656		addr |= R600_PTE_SNOOPED;
 657	return addr;
 658}
 659
 660void rs600_gart_set_page(struct radeon_device *rdev, unsigned i,
 661			 uint64_t entry)
 662{
 663	void __iomem *ptr = (void *)rdev->gart.ptr;
 664	writeq(entry, ptr + (i * 8));
 665}
 666
 667int rs600_irq_set(struct radeon_device *rdev)
 668{
 669	uint32_t tmp = 0;
 670	uint32_t mode_int = 0;
 671	u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
 672		~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
 673	u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
 674		~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 675	u32 hdmi0;
 676	if (ASIC_IS_DCE2(rdev))
 677		hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
 678			~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
 679	else
 680		hdmi0 = 0;
 681
 682	if (!rdev->irq.installed) {
 683		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
 684		WREG32(R_000040_GEN_INT_CNTL, 0);
 685		return -EINVAL;
 686	}
 687	if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
 688		tmp |= S_000040_SW_INT_EN(1);
 689	}
 
 
 
 690	if (rdev->irq.crtc_vblank_int[0] ||
 691	    atomic_read(&rdev->irq.pflip[0])) {
 692		mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
 693	}
 694	if (rdev->irq.crtc_vblank_int[1] ||
 695	    atomic_read(&rdev->irq.pflip[1])) {
 696		mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
 697	}
 698	if (rdev->irq.hpd[0]) {
 699		hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
 700	}
 701	if (rdev->irq.hpd[1]) {
 702		hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 703	}
 704	if (rdev->irq.afmt[0]) {
 705		hdmi0 |= S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
 706	}
 707	WREG32(R_000040_GEN_INT_CNTL, tmp);
 708	WREG32(R_006540_DxMODE_INT_MASK, mode_int);
 709	WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
 710	WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
 711	if (ASIC_IS_DCE2(rdev))
 712		WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
 713
 714	/* posting read */
 715	RREG32(R_000040_GEN_INT_CNTL);
 716
 717	return 0;
 718}
 719
 720static inline u32 rs600_irq_ack(struct radeon_device *rdev)
 721{
 722	uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
 723	uint32_t irq_mask = S_000044_SW_INT(1);
 724	u32 tmp;
 725
 
 
 
 
 
 
 726	if (G_000044_DISPLAY_INT_STAT(irqs)) {
 727		rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
 728		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 729			WREG32(R_006534_D1MODE_VBLANK_STATUS,
 730				S_006534_D1MODE_VBLANK_ACK(1));
 731		}
 732		if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 733			WREG32(R_006D34_D2MODE_VBLANK_STATUS,
 734				S_006D34_D2MODE_VBLANK_ACK(1));
 735		}
 736		if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 737			tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
 738			tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
 739			WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 740		}
 741		if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 742			tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
 743			tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
 744			WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 745		}
 746	} else {
 747		rdev->irq.stat_regs.r500.disp_int = 0;
 748	}
 749
 750	if (ASIC_IS_DCE2(rdev)) {
 751		rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) &
 752			S_007404_HDMI0_AZ_FORMAT_WTRIG(1);
 753		if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
 754			tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL);
 755			tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1);
 756			WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp);
 757		}
 758	} else
 759		rdev->irq.stat_regs.r500.hdmi0_status = 0;
 760
 761	if (irqs) {
 762		WREG32(R_000044_GEN_INT_STATUS, irqs);
 763	}
 764	return irqs & irq_mask;
 765}
 766
 767void rs600_irq_disable(struct radeon_device *rdev)
 768{
 769	u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
 770		~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
 771	WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
 772	WREG32(R_000040_GEN_INT_CNTL, 0);
 773	WREG32(R_006540_DxMODE_INT_MASK, 0);
 774	/* Wait and acknowledge irq */
 775	mdelay(1);
 776	rs600_irq_ack(rdev);
 777}
 778
 779int rs600_irq_process(struct radeon_device *rdev)
 780{
 781	u32 status, msi_rearm;
 782	bool queue_hotplug = false;
 783	bool queue_hdmi = false;
 
 
 784
 785	status = rs600_irq_ack(rdev);
 786	if (!status &&
 787	    !rdev->irq.stat_regs.r500.disp_int &&
 788	    !rdev->irq.stat_regs.r500.hdmi0_status) {
 789		return IRQ_NONE;
 790	}
 791	while (status ||
 792	       rdev->irq.stat_regs.r500.disp_int ||
 793	       rdev->irq.stat_regs.r500.hdmi0_status) {
 794		/* SW interrupt */
 795		if (G_000044_SW_INT(status)) {
 796			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
 
 
 
 
 
 
 797		}
 798		/* Vertical blank interrupts */
 799		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 800			if (rdev->irq.crtc_vblank_int[0]) {
 801				drm_handle_vblank(rdev->ddev, 0);
 802				rdev->pm.vblank_sync = true;
 803				wake_up(&rdev->irq.vblank_queue);
 804			}
 805			if (atomic_read(&rdev->irq.pflip[0]))
 806				radeon_crtc_handle_vblank(rdev, 0);
 807		}
 808		if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 809			if (rdev->irq.crtc_vblank_int[1]) {
 810				drm_handle_vblank(rdev->ddev, 1);
 811				rdev->pm.vblank_sync = true;
 812				wake_up(&rdev->irq.vblank_queue);
 813			}
 814			if (atomic_read(&rdev->irq.pflip[1]))
 815				radeon_crtc_handle_vblank(rdev, 1);
 816		}
 817		if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 818			queue_hotplug = true;
 819			DRM_DEBUG("HPD1\n");
 820		}
 821		if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 822			queue_hotplug = true;
 823			DRM_DEBUG("HPD2\n");
 824		}
 825		if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
 826			queue_hdmi = true;
 827			DRM_DEBUG("HDMI0\n");
 828		}
 829		status = rs600_irq_ack(rdev);
 830	}
 
 
 831	if (queue_hotplug)
 832		schedule_delayed_work(&rdev->hotplug_work, 0);
 833	if (queue_hdmi)
 834		schedule_work(&rdev->audio_work);
 835	if (rdev->msi_enabled) {
 836		switch (rdev->family) {
 837		case CHIP_RS600:
 838		case CHIP_RS690:
 839		case CHIP_RS740:
 840			msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
 841			WREG32(RADEON_BUS_CNTL, msi_rearm);
 842			WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
 843			break;
 844		default:
 845			WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
 
 
 846			break;
 847		}
 848	}
 849	return IRQ_HANDLED;
 850}
 851
 852u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
 853{
 854	if (crtc == 0)
 855		return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
 856	else
 857		return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
 858}
 859
 860int rs600_mc_wait_for_idle(struct radeon_device *rdev)
 861{
 862	unsigned i;
 863
 864	for (i = 0; i < rdev->usec_timeout; i++) {
 865		if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
 866			return 0;
 867		udelay(1);
 868	}
 869	return -1;
 870}
 871
 872static void rs600_gpu_init(struct radeon_device *rdev)
 873{
 874	r420_pipes_init(rdev);
 875	/* Wait for mc idle */
 876	if (rs600_mc_wait_for_idle(rdev))
 877		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 878}
 879
 880static void rs600_mc_init(struct radeon_device *rdev)
 881{
 882	u64 base;
 883
 884	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
 885	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
 886	rdev->mc.vram_is_ddr = true;
 887	rdev->mc.vram_width = 128;
 888	rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
 889	rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
 890	rdev->mc.visible_vram_size = rdev->mc.aper_size;
 891	rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
 892	base = RREG32_MC(R_000004_MC_FB_LOCATION);
 893	base = G_000004_MC_FB_START(base) << 16;
 894	radeon_vram_location(rdev, &rdev->mc, base);
 895	rdev->mc.gtt_base_align = 0;
 896	radeon_gtt_location(rdev, &rdev->mc);
 897	radeon_update_bandwidth_info(rdev);
 898}
 899
 900void rs600_bandwidth_update(struct radeon_device *rdev)
 901{
 902	struct drm_display_mode *mode0 = NULL;
 903	struct drm_display_mode *mode1 = NULL;
 904	u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
 905	/* FIXME: implement full support */
 906
 907	if (!rdev->mode_info.mode_config_initialized)
 908		return;
 909
 910	radeon_update_display_priority(rdev);
 911
 912	if (rdev->mode_info.crtcs[0]->base.enabled)
 913		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
 914	if (rdev->mode_info.crtcs[1]->base.enabled)
 915		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
 916
 917	rs690_line_buffer_adjust(rdev, mode0, mode1);
 918
 919	if (rdev->disp_priority == 2) {
 920		d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
 921		d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
 922		d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
 923		d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
 924		WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
 925		WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
 926		WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
 927		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
 928	}
 929}
 930
 931uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
 932{
 933	unsigned long flags;
 934	u32 r;
 935
 936	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
 937	WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
 938		S_000070_MC_IND_CITF_ARB0(1));
 939	r = RREG32(R_000074_MC_IND_DATA);
 940	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
 941	return r;
 942}
 943
 944void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 945{
 946	unsigned long flags;
 947
 948	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
 949	WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
 950		S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
 951	WREG32(R_000074_MC_IND_DATA, v);
 952	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
 
 
 
 
 
 953}
 954
 955void rs600_set_safe_registers(struct radeon_device *rdev)
 956{
 957	rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
 958	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
 959}
 960
 961static void rs600_mc_program(struct radeon_device *rdev)
 962{
 963	struct rv515_mc_save save;
 964
 965	/* Stops all mc clients */
 966	rv515_mc_stop(rdev, &save);
 967
 968	/* Wait for mc idle */
 969	if (rs600_mc_wait_for_idle(rdev))
 970		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 971
 972	/* FIXME: What does AGP means for such chipset ? */
 973	WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
 974	WREG32_MC(R_000006_AGP_BASE, 0);
 975	WREG32_MC(R_000007_AGP_BASE_2, 0);
 976	/* Program MC */
 977	WREG32_MC(R_000004_MC_FB_LOCATION,
 978			S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
 979			S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
 980	WREG32(R_000134_HDP_FB_LOCATION,
 981		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
 982
 983	rv515_mc_resume(rdev, &save);
 984}
 985
 986static int rs600_startup(struct radeon_device *rdev)
 987{
 988	int r;
 989
 990	rs600_mc_program(rdev);
 991	/* Resume clock */
 992	rv515_clock_startup(rdev);
 993	/* Initialize GPU configuration (# pipes, ...) */
 994	rs600_gpu_init(rdev);
 995	/* Initialize GART (initialize after TTM so we can allocate
 996	 * memory through TTM but finalize after TTM) */
 997	r = rs600_gart_enable(rdev);
 998	if (r)
 999		return r;
1000
1001	/* allocate wb buffer */
1002	r = radeon_wb_init(rdev);
1003	if (r)
1004		return r;
1005
1006	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1007	if (r) {
1008		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1009		return r;
1010	}
1011
1012	/* Enable IRQ */
1013	if (!rdev->irq.installed) {
1014		r = radeon_irq_kms_init(rdev);
1015		if (r)
1016			return r;
1017	}
1018
1019	rs600_irq_set(rdev);
1020	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1021	/* 1M ring buffer */
1022	r = r100_cp_init(rdev, 1024 * 1024);
1023	if (r) {
1024		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1025		return r;
1026	}
1027
1028	r = radeon_ib_pool_init(rdev);
1029	if (r) {
1030		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1031		return r;
1032	}
1033
1034	r = radeon_audio_init(rdev);
1035	if (r) {
1036		dev_err(rdev->dev, "failed initializing audio\n");
1037		return r;
1038	}
1039
1040	return 0;
1041}
1042
1043int rs600_resume(struct radeon_device *rdev)
1044{
1045	int r;
1046
1047	/* Make sur GART are not working */
1048	rs600_gart_disable(rdev);
1049	/* Resume clock before doing reset */
1050	rv515_clock_startup(rdev);
1051	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1052	if (radeon_asic_reset(rdev)) {
1053		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1054			RREG32(R_000E40_RBBM_STATUS),
1055			RREG32(R_0007C0_CP_STAT));
1056	}
1057	/* post */
1058	atom_asic_init(rdev->mode_info.atom_context);
1059	/* Resume clock after posting */
1060	rv515_clock_startup(rdev);
1061	/* Initialize surface registers */
1062	radeon_surface_init(rdev);
1063
1064	rdev->accel_working = true;
1065	r = rs600_startup(rdev);
1066	if (r) {
1067		rdev->accel_working = false;
1068	}
1069	return r;
1070}
1071
1072int rs600_suspend(struct radeon_device *rdev)
1073{
1074	radeon_pm_suspend(rdev);
1075	radeon_audio_fini(rdev);
1076	r100_cp_disable(rdev);
1077	radeon_wb_disable(rdev);
1078	rs600_irq_disable(rdev);
1079	rs600_gart_disable(rdev);
1080	return 0;
1081}
1082
1083void rs600_fini(struct radeon_device *rdev)
1084{
1085	radeon_pm_fini(rdev);
1086	radeon_audio_fini(rdev);
1087	r100_cp_fini(rdev);
1088	radeon_wb_fini(rdev);
1089	radeon_ib_pool_fini(rdev);
1090	radeon_gem_fini(rdev);
1091	rs600_gart_fini(rdev);
1092	radeon_irq_kms_fini(rdev);
1093	radeon_fence_driver_fini(rdev);
1094	radeon_bo_fini(rdev);
1095	radeon_atombios_fini(rdev);
1096	kfree(rdev->bios);
1097	rdev->bios = NULL;
1098}
1099
1100int rs600_init(struct radeon_device *rdev)
1101{
1102	int r;
1103
1104	/* Disable VGA */
1105	rv515_vga_render_disable(rdev);
1106	/* Initialize scratch registers */
1107	radeon_scratch_init(rdev);
1108	/* Initialize surface registers */
1109	radeon_surface_init(rdev);
1110	/* restore some register to sane defaults */
1111	r100_restore_sanity(rdev);
1112	/* BIOS */
1113	if (!radeon_get_bios(rdev)) {
1114		if (ASIC_IS_AVIVO(rdev))
1115			return -EINVAL;
1116	}
1117	if (rdev->is_atom_bios) {
1118		r = radeon_atombios_init(rdev);
1119		if (r)
1120			return r;
1121	} else {
1122		dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
1123		return -EINVAL;
1124	}
1125	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1126	if (radeon_asic_reset(rdev)) {
1127		dev_warn(rdev->dev,
1128			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1129			RREG32(R_000E40_RBBM_STATUS),
1130			RREG32(R_0007C0_CP_STAT));
1131	}
1132	/* check if cards are posted or not */
1133	if (radeon_boot_test_post_card(rdev) == false)
1134		return -EINVAL;
1135
1136	/* Initialize clocks */
1137	radeon_get_clock_info(rdev->ddev);
1138	/* initialize memory controller */
1139	rs600_mc_init(rdev);
1140	r100_debugfs_rbbm_init(rdev);
1141	/* Fence driver */
1142	radeon_fence_driver_init(rdev);
 
 
 
 
 
1143	/* Memory manager */
1144	r = radeon_bo_init(rdev);
1145	if (r)
1146		return r;
1147	r = rs600_gart_init(rdev);
1148	if (r)
1149		return r;
1150	rs600_set_safe_registers(rdev);
1151
1152	/* Initialize power management */
1153	radeon_pm_init(rdev);
1154
1155	rdev->accel_working = true;
1156	r = rs600_startup(rdev);
1157	if (r) {
1158		/* Somethings want wront with the accel init stop accel */
1159		dev_err(rdev->dev, "Disabling GPU acceleration\n");
1160		r100_cp_fini(rdev);
1161		radeon_wb_fini(rdev);
1162		radeon_ib_pool_fini(rdev);
1163		rs600_gart_fini(rdev);
1164		radeon_irq_kms_fini(rdev);
1165		rdev->accel_working = false;
1166	}
1167	return 0;
1168}