Linux Audio

Check our new training course

Buildroot integration, development and maintenance

Need a Buildroot system for your embedded project?
Loading...
v4.6
  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#include <linux/seq_file.h>
 29#include <linux/slab.h>
 30#include <drm/drmP.h>
 31#include "radeon_reg.h"
 32#include "radeon.h"
 33#include "radeon_asic.h"
 
 
 34#include "atom.h"
 35#include "r100d.h"
 36#include "r420d.h"
 37#include "r420_reg_safe.h"
 
 
 
 
 38
 39void r420_pm_init_profile(struct radeon_device *rdev)
 40{
 41	/* default */
 42	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 43	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 44	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 45	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 46	/* low sh */
 47	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 48	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 49	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 50	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 51	/* mid sh */
 52	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 53	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 54	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 55	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 56	/* high sh */
 57	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 58	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 59	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 60	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 61	/* low mh */
 62	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 63	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 64	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 65	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 66	/* mid mh */
 67	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 68	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 69	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 70	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 71	/* high mh */
 72	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 73	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 74	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 75	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 76}
 77
 78static void r420_set_reg_safe(struct radeon_device *rdev)
 79{
 80	rdev->config.r300.reg_safe_bm = r420_reg_safe_bm;
 81	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r420_reg_safe_bm);
 82}
 83
 84void r420_pipes_init(struct radeon_device *rdev)
 85{
 86	unsigned tmp;
 87	unsigned gb_pipe_select;
 88	unsigned num_pipes;
 89
 90	/* GA_ENHANCE workaround TCL deadlock issue */
 91	WREG32(R300_GA_ENHANCE, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL |
 92	       (1 << 2) | (1 << 3));
 93	/* add idle wait as per freedesktop.org bug 24041 */
 94	if (r100_gui_wait_for_idle(rdev)) {
 95		printk(KERN_WARNING "Failed to wait GUI idle while "
 96		       "programming pipes. Bad things might happen.\n");
 97	}
 98	/* get max number of pipes */
 99	gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
100	num_pipes = ((gb_pipe_select >> 12) & 3) + 1;
101
102	/* SE chips have 1 pipe */
103	if ((rdev->pdev->device == 0x5e4c) ||
104	    (rdev->pdev->device == 0x5e4f))
105		num_pipes = 1;
106
107	rdev->num_gb_pipes = num_pipes;
108	tmp = 0;
109	switch (num_pipes) {
110	default:
111		/* force to 1 pipe */
112		num_pipes = 1;
 
113	case 1:
114		tmp = (0 << 1);
115		break;
116	case 2:
117		tmp = (3 << 1);
118		break;
119	case 3:
120		tmp = (6 << 1);
121		break;
122	case 4:
123		tmp = (7 << 1);
124		break;
125	}
126	WREG32(R500_SU_REG_DEST, (1 << num_pipes) - 1);
127	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
128	tmp |= R300_TILE_SIZE_16 | R300_ENABLE_TILING;
129	WREG32(R300_GB_TILE_CONFIG, tmp);
130	if (r100_gui_wait_for_idle(rdev)) {
131		printk(KERN_WARNING "Failed to wait GUI idle while "
132		       "programming pipes. Bad things might happen.\n");
133	}
134
135	tmp = RREG32(R300_DST_PIPE_CONFIG);
136	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
137
138	WREG32(R300_RB2D_DSTCACHE_MODE,
139	       RREG32(R300_RB2D_DSTCACHE_MODE) |
140	       R300_DC_AUTOFLUSH_ENABLE |
141	       R300_DC_DC_DISABLE_IGNORE_PE);
142
143	if (r100_gui_wait_for_idle(rdev)) {
144		printk(KERN_WARNING "Failed to wait GUI idle while "
145		       "programming pipes. Bad things might happen.\n");
146	}
147
148	if (rdev->family == CHIP_RV530) {
149		tmp = RREG32(RV530_GB_PIPE_SELECT2);
150		if ((tmp & 3) == 3)
151			rdev->num_z_pipes = 2;
152		else
153			rdev->num_z_pipes = 1;
154	} else
155		rdev->num_z_pipes = 1;
156
157	DRM_INFO("radeon: %d quad pipes, %d z pipes initialized.\n",
158		 rdev->num_gb_pipes, rdev->num_z_pipes);
159}
160
161u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg)
162{
163	unsigned long flags;
164	u32 r;
165
166	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
167	WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg));
168	r = RREG32(R_0001FC_MC_IND_DATA);
169	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
170	return r;
171}
172
173void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
174{
175	unsigned long flags;
176
177	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
178	WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg) |
179		S_0001F8_MC_IND_WR_EN(1));
180	WREG32(R_0001FC_MC_IND_DATA, v);
181	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
182}
183
184static void r420_debugfs(struct radeon_device *rdev)
185{
186	if (r100_debugfs_rbbm_init(rdev)) {
187		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
188	}
189	if (r420_debugfs_pipes_info_init(rdev)) {
190		DRM_ERROR("Failed to register debugfs file for pipes !\n");
191	}
192}
193
194static void r420_clock_resume(struct radeon_device *rdev)
195{
196	u32 sclk_cntl;
197
198	if (radeon_dynclks != -1 && radeon_dynclks)
199		radeon_atom_set_clock_gating(rdev, 1);
200	sclk_cntl = RREG32_PLL(R_00000D_SCLK_CNTL);
201	sclk_cntl |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
202	if (rdev->family == CHIP_R420)
203		sclk_cntl |= S_00000D_FORCE_PX(1) | S_00000D_FORCE_TX(1);
204	WREG32_PLL(R_00000D_SCLK_CNTL, sclk_cntl);
205}
206
207static void r420_cp_errata_init(struct radeon_device *rdev)
208{
 
209	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
210
211	/* RV410 and R420 can lock up if CP DMA to host memory happens
212	 * while the 2D engine is busy.
213	 *
214	 * The proper workaround is to queue a RESYNC at the beginning
215	 * of the CP init, apparently.
216	 */
217	radeon_scratch_get(rdev, &rdev->config.r300.resync_scratch);
218	radeon_ring_lock(rdev, ring, 8);
 
219	radeon_ring_write(ring, PACKET0(R300_CP_RESYNC_ADDR, 1));
220	radeon_ring_write(ring, rdev->config.r300.resync_scratch);
221	radeon_ring_write(ring, 0xDEADBEEF);
222	radeon_ring_unlock_commit(rdev, ring, false);
223}
224
225static void r420_cp_errata_fini(struct radeon_device *rdev)
226{
 
227	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
228
229	/* Catch the RESYNC we dispatched all the way back,
230	 * at the very beginning of the CP init.
231	 */
232	radeon_ring_lock(rdev, ring, 8);
 
233	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
234	radeon_ring_write(ring, R300_RB3D_DC_FINISH);
235	radeon_ring_unlock_commit(rdev, ring, false);
236	radeon_scratch_free(rdev, rdev->config.r300.resync_scratch);
237}
238
239static int r420_startup(struct radeon_device *rdev)
240{
241	int r;
242
243	/* set common regs */
244	r100_set_common_regs(rdev);
245	/* program mc */
246	r300_mc_program(rdev);
247	/* Resume clock */
248	r420_clock_resume(rdev);
249	/* Initialize GART (initialize after TTM so we can allocate
250	 * memory through TTM but finalize after TTM) */
251	if (rdev->flags & RADEON_IS_PCIE) {
252		r = rv370_pcie_gart_enable(rdev);
253		if (r)
254			return r;
255	}
256	if (rdev->flags & RADEON_IS_PCI) {
257		r = r100_pci_gart_enable(rdev);
258		if (r)
259			return r;
260	}
261	r420_pipes_init(rdev);
262
263	/* allocate wb buffer */
264	r = radeon_wb_init(rdev);
265	if (r)
266		return r;
267
268	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
269	if (r) {
270		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
271		return r;
272	}
273
274	/* Enable IRQ */
275	if (!rdev->irq.installed) {
276		r = radeon_irq_kms_init(rdev);
277		if (r)
278			return r;
279	}
280
281	r100_irq_set(rdev);
282	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
283	/* 1M ring buffer */
284	r = r100_cp_init(rdev, 1024 * 1024);
285	if (r) {
286		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
287		return r;
288	}
289	r420_cp_errata_init(rdev);
290
291	r = radeon_ib_pool_init(rdev);
292	if (r) {
293		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
294		return r;
295	}
296
297	return 0;
298}
299
300int r420_resume(struct radeon_device *rdev)
301{
302	int r;
303
304	/* Make sur GART are not working */
305	if (rdev->flags & RADEON_IS_PCIE)
306		rv370_pcie_gart_disable(rdev);
307	if (rdev->flags & RADEON_IS_PCI)
308		r100_pci_gart_disable(rdev);
309	/* Resume clock before doing reset */
310	r420_clock_resume(rdev);
311	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
312	if (radeon_asic_reset(rdev)) {
313		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
314			RREG32(R_000E40_RBBM_STATUS),
315			RREG32(R_0007C0_CP_STAT));
316	}
317	/* check if cards are posted or not */
318	if (rdev->is_atom_bios) {
319		atom_asic_init(rdev->mode_info.atom_context);
320	} else {
321		radeon_combios_asic_init(rdev->ddev);
322	}
323	/* Resume clock after posting */
324	r420_clock_resume(rdev);
325	/* Initialize surface registers */
326	radeon_surface_init(rdev);
327
328	rdev->accel_working = true;
329	r = r420_startup(rdev);
330	if (r) {
331		rdev->accel_working = false;
332	}
333	return r;
334}
335
336int r420_suspend(struct radeon_device *rdev)
337{
338	radeon_pm_suspend(rdev);
339	r420_cp_errata_fini(rdev);
340	r100_cp_disable(rdev);
341	radeon_wb_disable(rdev);
342	r100_irq_disable(rdev);
343	if (rdev->flags & RADEON_IS_PCIE)
344		rv370_pcie_gart_disable(rdev);
345	if (rdev->flags & RADEON_IS_PCI)
346		r100_pci_gart_disable(rdev);
347	return 0;
348}
349
350void r420_fini(struct radeon_device *rdev)
351{
352	radeon_pm_fini(rdev);
353	r100_cp_fini(rdev);
354	radeon_wb_fini(rdev);
355	radeon_ib_pool_fini(rdev);
356	radeon_gem_fini(rdev);
357	if (rdev->flags & RADEON_IS_PCIE)
358		rv370_pcie_gart_fini(rdev);
359	if (rdev->flags & RADEON_IS_PCI)
360		r100_pci_gart_fini(rdev);
361	radeon_agp_fini(rdev);
362	radeon_irq_kms_fini(rdev);
363	radeon_fence_driver_fini(rdev);
364	radeon_bo_fini(rdev);
365	if (rdev->is_atom_bios) {
366		radeon_atombios_fini(rdev);
367	} else {
368		radeon_combios_fini(rdev);
369	}
370	kfree(rdev->bios);
371	rdev->bios = NULL;
372}
373
374int r420_init(struct radeon_device *rdev)
375{
376	int r;
377
378	/* Initialize scratch registers */
379	radeon_scratch_init(rdev);
380	/* Initialize surface registers */
381	radeon_surface_init(rdev);
382	/* TODO: disable VGA need to use VGA request */
383	/* restore some register to sane defaults */
384	r100_restore_sanity(rdev);
385	/* BIOS*/
386	if (!radeon_get_bios(rdev)) {
387		if (ASIC_IS_AVIVO(rdev))
388			return -EINVAL;
389	}
390	if (rdev->is_atom_bios) {
391		r = radeon_atombios_init(rdev);
392		if (r) {
393			return r;
394		}
395	} else {
396		r = radeon_combios_init(rdev);
397		if (r) {
398			return r;
399		}
400	}
401	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
402	if (radeon_asic_reset(rdev)) {
403		dev_warn(rdev->dev,
404			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
405			RREG32(R_000E40_RBBM_STATUS),
406			RREG32(R_0007C0_CP_STAT));
407	}
408	/* check if cards are posted or not */
409	if (radeon_boot_test_post_card(rdev) == false)
410		return -EINVAL;
411
412	/* Initialize clocks */
413	radeon_get_clock_info(rdev->ddev);
414	/* initialize AGP */
415	if (rdev->flags & RADEON_IS_AGP) {
416		r = radeon_agp_init(rdev);
417		if (r) {
418			radeon_agp_disable(rdev);
419		}
420	}
421	/* initialize memory controller */
422	r300_mc_init(rdev);
423	r420_debugfs(rdev);
424	/* Fence driver */
425	r = radeon_fence_driver_init(rdev);
426	if (r) {
427		return r;
428	}
429	/* Memory manager */
430	r = radeon_bo_init(rdev);
431	if (r) {
432		return r;
433	}
434	if (rdev->family == CHIP_R420)
435		r100_enable_bm(rdev);
436
437	if (rdev->flags & RADEON_IS_PCIE) {
438		r = rv370_pcie_gart_init(rdev);
439		if (r)
440			return r;
441	}
442	if (rdev->flags & RADEON_IS_PCI) {
443		r = r100_pci_gart_init(rdev);
444		if (r)
445			return r;
446	}
447	r420_set_reg_safe(rdev);
448
449	/* Initialize power management */
450	radeon_pm_init(rdev);
451
452	rdev->accel_working = true;
453	r = r420_startup(rdev);
454	if (r) {
455		/* Somethings want wront with the accel init stop accel */
456		dev_err(rdev->dev, "Disabling GPU acceleration\n");
457		r100_cp_fini(rdev);
458		radeon_wb_fini(rdev);
459		radeon_ib_pool_fini(rdev);
460		radeon_irq_kms_fini(rdev);
461		if (rdev->flags & RADEON_IS_PCIE)
462			rv370_pcie_gart_fini(rdev);
463		if (rdev->flags & RADEON_IS_PCI)
464			r100_pci_gart_fini(rdev);
465		radeon_agp_fini(rdev);
466		rdev->accel_working = false;
467	}
468	return 0;
469}
470
471/*
472 * Debugfs info
473 */
474#if defined(CONFIG_DEBUG_FS)
475static int r420_debugfs_pipes_info(struct seq_file *m, void *data)
476{
477	struct drm_info_node *node = (struct drm_info_node *) m->private;
478	struct drm_device *dev = node->minor->dev;
479	struct radeon_device *rdev = dev->dev_private;
480	uint32_t tmp;
481
482	tmp = RREG32(R400_GB_PIPE_SELECT);
483	seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
484	tmp = RREG32(R300_GB_TILE_CONFIG);
485	seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
486	tmp = RREG32(R300_DST_PIPE_CONFIG);
487	seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
488	return 0;
489}
490
491static struct drm_info_list r420_pipes_info_list[] = {
492	{"r420_pipes_info", r420_debugfs_pipes_info, 0, NULL},
493};
494#endif
495
496int r420_debugfs_pipes_info_init(struct radeon_device *rdev)
497{
498#if defined(CONFIG_DEBUG_FS)
499	return radeon_debugfs_add_files(rdev, r420_pipes_info_list, 1);
500#else
501	return 0;
502#endif
503}
v5.4
  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
 29#include <linux/seq_file.h>
 30#include <linux/slab.h>
 31
 32#include <drm/drm_debugfs.h>
 33#include <drm/drm_device.h>
 34#include <drm/drm_file.h>
 35#include <drm/drm_pci.h>
 36
 37#include "atom.h"
 38#include "r100d.h"
 
 39#include "r420_reg_safe.h"
 40#include "r420d.h"
 41#include "radeon.h"
 42#include "radeon_asic.h"
 43#include "radeon_reg.h"
 44
 45void r420_pm_init_profile(struct radeon_device *rdev)
 46{
 47	/* default */
 48	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 49	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 50	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 51	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 52	/* low sh */
 53	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 54	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 55	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 56	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 57	/* mid sh */
 58	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 59	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 60	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 61	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 62	/* high sh */
 63	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 64	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 65	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 66	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 67	/* low mh */
 68	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 69	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 70	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 71	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 72	/* mid mh */
 73	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 74	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 75	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 76	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 77	/* high mh */
 78	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 79	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 80	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 81	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 82}
 83
 84static void r420_set_reg_safe(struct radeon_device *rdev)
 85{
 86	rdev->config.r300.reg_safe_bm = r420_reg_safe_bm;
 87	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r420_reg_safe_bm);
 88}
 89
 90void r420_pipes_init(struct radeon_device *rdev)
 91{
 92	unsigned tmp;
 93	unsigned gb_pipe_select;
 94	unsigned num_pipes;
 95
 96	/* GA_ENHANCE workaround TCL deadlock issue */
 97	WREG32(R300_GA_ENHANCE, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL |
 98	       (1 << 2) | (1 << 3));
 99	/* add idle wait as per freedesktop.org bug 24041 */
100	if (r100_gui_wait_for_idle(rdev)) {
101		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 
102	}
103	/* get max number of pipes */
104	gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
105	num_pipes = ((gb_pipe_select >> 12) & 3) + 1;
106
107	/* SE chips have 1 pipe */
108	if ((rdev->pdev->device == 0x5e4c) ||
109	    (rdev->pdev->device == 0x5e4f))
110		num_pipes = 1;
111
112	rdev->num_gb_pipes = num_pipes;
113	tmp = 0;
114	switch (num_pipes) {
115	default:
116		/* force to 1 pipe */
117		num_pipes = 1;
118		/* fall through */
119	case 1:
120		tmp = (0 << 1);
121		break;
122	case 2:
123		tmp = (3 << 1);
124		break;
125	case 3:
126		tmp = (6 << 1);
127		break;
128	case 4:
129		tmp = (7 << 1);
130		break;
131	}
132	WREG32(R500_SU_REG_DEST, (1 << num_pipes) - 1);
133	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
134	tmp |= R300_TILE_SIZE_16 | R300_ENABLE_TILING;
135	WREG32(R300_GB_TILE_CONFIG, tmp);
136	if (r100_gui_wait_for_idle(rdev)) {
137		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 
138	}
139
140	tmp = RREG32(R300_DST_PIPE_CONFIG);
141	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
142
143	WREG32(R300_RB2D_DSTCACHE_MODE,
144	       RREG32(R300_RB2D_DSTCACHE_MODE) |
145	       R300_DC_AUTOFLUSH_ENABLE |
146	       R300_DC_DC_DISABLE_IGNORE_PE);
147
148	if (r100_gui_wait_for_idle(rdev)) {
149		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 
150	}
151
152	if (rdev->family == CHIP_RV530) {
153		tmp = RREG32(RV530_GB_PIPE_SELECT2);
154		if ((tmp & 3) == 3)
155			rdev->num_z_pipes = 2;
156		else
157			rdev->num_z_pipes = 1;
158	} else
159		rdev->num_z_pipes = 1;
160
161	DRM_INFO("radeon: %d quad pipes, %d z pipes initialized.\n",
162		 rdev->num_gb_pipes, rdev->num_z_pipes);
163}
164
165u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg)
166{
167	unsigned long flags;
168	u32 r;
169
170	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
171	WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg));
172	r = RREG32(R_0001FC_MC_IND_DATA);
173	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
174	return r;
175}
176
177void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
178{
179	unsigned long flags;
180
181	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
182	WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg) |
183		S_0001F8_MC_IND_WR_EN(1));
184	WREG32(R_0001FC_MC_IND_DATA, v);
185	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
186}
187
188static void r420_debugfs(struct radeon_device *rdev)
189{
190	if (r100_debugfs_rbbm_init(rdev)) {
191		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
192	}
193	if (r420_debugfs_pipes_info_init(rdev)) {
194		DRM_ERROR("Failed to register debugfs file for pipes !\n");
195	}
196}
197
198static void r420_clock_resume(struct radeon_device *rdev)
199{
200	u32 sclk_cntl;
201
202	if (radeon_dynclks != -1 && radeon_dynclks)
203		radeon_atom_set_clock_gating(rdev, 1);
204	sclk_cntl = RREG32_PLL(R_00000D_SCLK_CNTL);
205	sclk_cntl |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
206	if (rdev->family == CHIP_R420)
207		sclk_cntl |= S_00000D_FORCE_PX(1) | S_00000D_FORCE_TX(1);
208	WREG32_PLL(R_00000D_SCLK_CNTL, sclk_cntl);
209}
210
211static void r420_cp_errata_init(struct radeon_device *rdev)
212{
213	int r;
214	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
215
216	/* RV410 and R420 can lock up if CP DMA to host memory happens
217	 * while the 2D engine is busy.
218	 *
219	 * The proper workaround is to queue a RESYNC at the beginning
220	 * of the CP init, apparently.
221	 */
222	radeon_scratch_get(rdev, &rdev->config.r300.resync_scratch);
223	r = radeon_ring_lock(rdev, ring, 8);
224	WARN_ON(r);
225	radeon_ring_write(ring, PACKET0(R300_CP_RESYNC_ADDR, 1));
226	radeon_ring_write(ring, rdev->config.r300.resync_scratch);
227	radeon_ring_write(ring, 0xDEADBEEF);
228	radeon_ring_unlock_commit(rdev, ring, false);
229}
230
231static void r420_cp_errata_fini(struct radeon_device *rdev)
232{
233	int r;
234	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
235
236	/* Catch the RESYNC we dispatched all the way back,
237	 * at the very beginning of the CP init.
238	 */
239	r = radeon_ring_lock(rdev, ring, 8);
240	WARN_ON(r);
241	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
242	radeon_ring_write(ring, R300_RB3D_DC_FINISH);
243	radeon_ring_unlock_commit(rdev, ring, false);
244	radeon_scratch_free(rdev, rdev->config.r300.resync_scratch);
245}
246
247static int r420_startup(struct radeon_device *rdev)
248{
249	int r;
250
251	/* set common regs */
252	r100_set_common_regs(rdev);
253	/* program mc */
254	r300_mc_program(rdev);
255	/* Resume clock */
256	r420_clock_resume(rdev);
257	/* Initialize GART (initialize after TTM so we can allocate
258	 * memory through TTM but finalize after TTM) */
259	if (rdev->flags & RADEON_IS_PCIE) {
260		r = rv370_pcie_gart_enable(rdev);
261		if (r)
262			return r;
263	}
264	if (rdev->flags & RADEON_IS_PCI) {
265		r = r100_pci_gart_enable(rdev);
266		if (r)
267			return r;
268	}
269	r420_pipes_init(rdev);
270
271	/* allocate wb buffer */
272	r = radeon_wb_init(rdev);
273	if (r)
274		return r;
275
276	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
277	if (r) {
278		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
279		return r;
280	}
281
282	/* Enable IRQ */
283	if (!rdev->irq.installed) {
284		r = radeon_irq_kms_init(rdev);
285		if (r)
286			return r;
287	}
288
289	r100_irq_set(rdev);
290	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
291	/* 1M ring buffer */
292	r = r100_cp_init(rdev, 1024 * 1024);
293	if (r) {
294		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
295		return r;
296	}
297	r420_cp_errata_init(rdev);
298
299	r = radeon_ib_pool_init(rdev);
300	if (r) {
301		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
302		return r;
303	}
304
305	return 0;
306}
307
308int r420_resume(struct radeon_device *rdev)
309{
310	int r;
311
312	/* Make sur GART are not working */
313	if (rdev->flags & RADEON_IS_PCIE)
314		rv370_pcie_gart_disable(rdev);
315	if (rdev->flags & RADEON_IS_PCI)
316		r100_pci_gart_disable(rdev);
317	/* Resume clock before doing reset */
318	r420_clock_resume(rdev);
319	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
320	if (radeon_asic_reset(rdev)) {
321		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
322			RREG32(R_000E40_RBBM_STATUS),
323			RREG32(R_0007C0_CP_STAT));
324	}
325	/* check if cards are posted or not */
326	if (rdev->is_atom_bios) {
327		atom_asic_init(rdev->mode_info.atom_context);
328	} else {
329		radeon_combios_asic_init(rdev->ddev);
330	}
331	/* Resume clock after posting */
332	r420_clock_resume(rdev);
333	/* Initialize surface registers */
334	radeon_surface_init(rdev);
335
336	rdev->accel_working = true;
337	r = r420_startup(rdev);
338	if (r) {
339		rdev->accel_working = false;
340	}
341	return r;
342}
343
344int r420_suspend(struct radeon_device *rdev)
345{
346	radeon_pm_suspend(rdev);
347	r420_cp_errata_fini(rdev);
348	r100_cp_disable(rdev);
349	radeon_wb_disable(rdev);
350	r100_irq_disable(rdev);
351	if (rdev->flags & RADEON_IS_PCIE)
352		rv370_pcie_gart_disable(rdev);
353	if (rdev->flags & RADEON_IS_PCI)
354		r100_pci_gart_disable(rdev);
355	return 0;
356}
357
358void r420_fini(struct radeon_device *rdev)
359{
360	radeon_pm_fini(rdev);
361	r100_cp_fini(rdev);
362	radeon_wb_fini(rdev);
363	radeon_ib_pool_fini(rdev);
364	radeon_gem_fini(rdev);
365	if (rdev->flags & RADEON_IS_PCIE)
366		rv370_pcie_gart_fini(rdev);
367	if (rdev->flags & RADEON_IS_PCI)
368		r100_pci_gart_fini(rdev);
369	radeon_agp_fini(rdev);
370	radeon_irq_kms_fini(rdev);
371	radeon_fence_driver_fini(rdev);
372	radeon_bo_fini(rdev);
373	if (rdev->is_atom_bios) {
374		radeon_atombios_fini(rdev);
375	} else {
376		radeon_combios_fini(rdev);
377	}
378	kfree(rdev->bios);
379	rdev->bios = NULL;
380}
381
382int r420_init(struct radeon_device *rdev)
383{
384	int r;
385
386	/* Initialize scratch registers */
387	radeon_scratch_init(rdev);
388	/* Initialize surface registers */
389	radeon_surface_init(rdev);
390	/* TODO: disable VGA need to use VGA request */
391	/* restore some register to sane defaults */
392	r100_restore_sanity(rdev);
393	/* BIOS*/
394	if (!radeon_get_bios(rdev)) {
395		if (ASIC_IS_AVIVO(rdev))
396			return -EINVAL;
397	}
398	if (rdev->is_atom_bios) {
399		r = radeon_atombios_init(rdev);
400		if (r) {
401			return r;
402		}
403	} else {
404		r = radeon_combios_init(rdev);
405		if (r) {
406			return r;
407		}
408	}
409	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
410	if (radeon_asic_reset(rdev)) {
411		dev_warn(rdev->dev,
412			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
413			RREG32(R_000E40_RBBM_STATUS),
414			RREG32(R_0007C0_CP_STAT));
415	}
416	/* check if cards are posted or not */
417	if (radeon_boot_test_post_card(rdev) == false)
418		return -EINVAL;
419
420	/* Initialize clocks */
421	radeon_get_clock_info(rdev->ddev);
422	/* initialize AGP */
423	if (rdev->flags & RADEON_IS_AGP) {
424		r = radeon_agp_init(rdev);
425		if (r) {
426			radeon_agp_disable(rdev);
427		}
428	}
429	/* initialize memory controller */
430	r300_mc_init(rdev);
431	r420_debugfs(rdev);
432	/* Fence driver */
433	r = radeon_fence_driver_init(rdev);
434	if (r) {
435		return r;
436	}
437	/* Memory manager */
438	r = radeon_bo_init(rdev);
439	if (r) {
440		return r;
441	}
442	if (rdev->family == CHIP_R420)
443		r100_enable_bm(rdev);
444
445	if (rdev->flags & RADEON_IS_PCIE) {
446		r = rv370_pcie_gart_init(rdev);
447		if (r)
448			return r;
449	}
450	if (rdev->flags & RADEON_IS_PCI) {
451		r = r100_pci_gart_init(rdev);
452		if (r)
453			return r;
454	}
455	r420_set_reg_safe(rdev);
456
457	/* Initialize power management */
458	radeon_pm_init(rdev);
459
460	rdev->accel_working = true;
461	r = r420_startup(rdev);
462	if (r) {
463		/* Somethings want wront with the accel init stop accel */
464		dev_err(rdev->dev, "Disabling GPU acceleration\n");
465		r100_cp_fini(rdev);
466		radeon_wb_fini(rdev);
467		radeon_ib_pool_fini(rdev);
468		radeon_irq_kms_fini(rdev);
469		if (rdev->flags & RADEON_IS_PCIE)
470			rv370_pcie_gart_fini(rdev);
471		if (rdev->flags & RADEON_IS_PCI)
472			r100_pci_gart_fini(rdev);
473		radeon_agp_fini(rdev);
474		rdev->accel_working = false;
475	}
476	return 0;
477}
478
479/*
480 * Debugfs info
481 */
482#if defined(CONFIG_DEBUG_FS)
483static int r420_debugfs_pipes_info(struct seq_file *m, void *data)
484{
485	struct drm_info_node *node = (struct drm_info_node *) m->private;
486	struct drm_device *dev = node->minor->dev;
487	struct radeon_device *rdev = dev->dev_private;
488	uint32_t tmp;
489
490	tmp = RREG32(R400_GB_PIPE_SELECT);
491	seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
492	tmp = RREG32(R300_GB_TILE_CONFIG);
493	seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
494	tmp = RREG32(R300_DST_PIPE_CONFIG);
495	seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
496	return 0;
497}
498
499static struct drm_info_list r420_pipes_info_list[] = {
500	{"r420_pipes_info", r420_debugfs_pipes_info, 0, NULL},
501};
502#endif
503
504int r420_debugfs_pipes_info_init(struct radeon_device *rdev)
505{
506#if defined(CONFIG_DEBUG_FS)
507	return radeon_debugfs_add_files(rdev, r420_pipes_info_list, 1);
508#else
509	return 0;
510#endif
511}