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 <drm/drm.h>
32#include <drm/drm_crtc_helper.h>
33#include "radeon_reg.h"
34#include "radeon.h"
35#include "radeon_asic.h"
36#include <drm/radeon_drm.h>
37#include "r100_track.h"
38#include "r300d.h"
39#include "rv350d.h"
40#include "r300_reg_safe.h"
41
42/* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
43 *
44 * GPU Errata:
45 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
46 *   using MMIO to flush host path read cache, this lead to HARDLOCKUP.
47 *   However, scheduling such write to the ring seems harmless, i suspect
48 *   the CP read collide with the flush somehow, or maybe the MC, hard to
49 *   tell. (Jerome Glisse)
50 */
51
52/*
53 * rv370,rv380 PCIE GART
54 */
55static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
56
57void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
58{
59	uint32_t tmp;
60	int i;
61
62	/* Workaround HW bug do flush 2 times */
63	for (i = 0; i < 2; i++) {
64		tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
65		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
66		(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
67		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
68	}
69	mb();
70}
71
72#define R300_PTE_UNSNOOPED (1 << 0)
73#define R300_PTE_WRITEABLE (1 << 2)
74#define R300_PTE_READABLE  (1 << 3)
75
76uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
77{
78	addr = (lower_32_bits(addr) >> 8) |
79		((upper_32_bits(addr) & 0xff) << 24);
80	if (flags & RADEON_GART_PAGE_READ)
81		addr |= R300_PTE_READABLE;
82	if (flags & RADEON_GART_PAGE_WRITE)
83		addr |= R300_PTE_WRITEABLE;
84	if (!(flags & RADEON_GART_PAGE_SNOOP))
85		addr |= R300_PTE_UNSNOOPED;
86	return addr;
87}
88
89void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
90			      uint64_t entry)
91{
92	void __iomem *ptr = rdev->gart.ptr;
93
94	/* on x86 we want this to be CPU endian, on powerpc
95	 * on powerpc without HW swappers, it'll get swapped on way
96	 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
97	writel(entry, ((void __iomem *)ptr) + (i * 4));
98}
99
100int rv370_pcie_gart_init(struct radeon_device *rdev)
101{
102	int r;
103
104	if (rdev->gart.robj) {
105		WARN(1, "RV370 PCIE GART already initialized\n");
106		return 0;
107	}
108	/* Initialize common gart structure */
109	r = radeon_gart_init(rdev);
110	if (r)
111		return r;
112	r = rv370_debugfs_pcie_gart_info_init(rdev);
113	if (r)
114		DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
115	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
116	rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
117	rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
118	rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
119	return radeon_gart_table_vram_alloc(rdev);
120}
121
122int rv370_pcie_gart_enable(struct radeon_device *rdev)
123{
124	uint32_t table_addr;
125	uint32_t tmp;
126	int r;
127
128	if (rdev->gart.robj == NULL) {
129		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
130		return -EINVAL;
131	}
132	r = radeon_gart_table_vram_pin(rdev);
133	if (r)
134		return r;
135	/* discard memory request outside of configured range */
136	tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
137	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
138	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
139	tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
140	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
141	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
142	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
143	table_addr = rdev->gart.table_addr;
144	WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
145	/* FIXME: setup default page */
146	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
147	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
148	/* Clear error */
149	WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
150	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
151	tmp |= RADEON_PCIE_TX_GART_EN;
152	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
153	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
154	rv370_pcie_gart_tlb_flush(rdev);
155	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
156		 (unsigned)(rdev->mc.gtt_size >> 20),
157		 (unsigned long long)table_addr);
158	rdev->gart.ready = true;
159	return 0;
160}
161
162void rv370_pcie_gart_disable(struct radeon_device *rdev)
163{
164	u32 tmp;
165
166	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
167	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
168	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
169	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
170	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
171	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
172	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
173	radeon_gart_table_vram_unpin(rdev);
174}
175
176void rv370_pcie_gart_fini(struct radeon_device *rdev)
177{
178	radeon_gart_fini(rdev);
179	rv370_pcie_gart_disable(rdev);
180	radeon_gart_table_vram_free(rdev);
181}
182
183void r300_fence_ring_emit(struct radeon_device *rdev,
184			  struct radeon_fence *fence)
185{
186	struct radeon_ring *ring = &rdev->ring[fence->ring];
187
188	/* Who ever call radeon_fence_emit should call ring_lock and ask
189	 * for enough space (today caller are ib schedule and buffer move) */
190	/* Write SC register so SC & US assert idle */
191	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
192	radeon_ring_write(ring, 0);
193	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
194	radeon_ring_write(ring, 0);
195	/* Flush 3D cache */
196	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
197	radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
198	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
199	radeon_ring_write(ring, R300_ZC_FLUSH);
200	/* Wait until IDLE & CLEAN */
201	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
202	radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
203				 RADEON_WAIT_2D_IDLECLEAN |
204				 RADEON_WAIT_DMA_GUI_IDLE));
205	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
206	radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
207				RADEON_HDP_READ_BUFFER_INVALIDATE);
208	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
209	radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
210	/* Emit fence sequence & fire IRQ */
211	radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
212	radeon_ring_write(ring, fence->seq);
213	radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
214	radeon_ring_write(ring, RADEON_SW_INT_FIRE);
215}
216
217void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
218{
219	unsigned gb_tile_config;
220	int r;
221
222	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
223	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
224	switch(rdev->num_gb_pipes) {
225	case 2:
226		gb_tile_config |= R300_PIPE_COUNT_R300;
227		break;
228	case 3:
229		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
230		break;
231	case 4:
232		gb_tile_config |= R300_PIPE_COUNT_R420;
233		break;
234	case 1:
235	default:
236		gb_tile_config |= R300_PIPE_COUNT_RV350;
237		break;
238	}
239
240	r = radeon_ring_lock(rdev, ring, 64);
241	if (r) {
242		return;
243	}
244	radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
245	radeon_ring_write(ring,
246			  RADEON_ISYNC_ANY2D_IDLE3D |
247			  RADEON_ISYNC_ANY3D_IDLE2D |
248			  RADEON_ISYNC_WAIT_IDLEGUI |
249			  RADEON_ISYNC_CPSCRATCH_IDLEGUI);
250	radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
251	radeon_ring_write(ring, gb_tile_config);
252	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
253	radeon_ring_write(ring,
254			  RADEON_WAIT_2D_IDLECLEAN |
255			  RADEON_WAIT_3D_IDLECLEAN);
256	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
257	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
258	radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
259	radeon_ring_write(ring, 0);
260	radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
261	radeon_ring_write(ring, 0);
262	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
263	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
264	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
265	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
266	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
267	radeon_ring_write(ring,
268			  RADEON_WAIT_2D_IDLECLEAN |
269			  RADEON_WAIT_3D_IDLECLEAN);
270	radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
271	radeon_ring_write(ring, 0);
272	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
273	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
274	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
275	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
276	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
277	radeon_ring_write(ring,
278			  ((6 << R300_MS_X0_SHIFT) |
279			   (6 << R300_MS_Y0_SHIFT) |
280			   (6 << R300_MS_X1_SHIFT) |
281			   (6 << R300_MS_Y1_SHIFT) |
282			   (6 << R300_MS_X2_SHIFT) |
283			   (6 << R300_MS_Y2_SHIFT) |
284			   (6 << R300_MSBD0_Y_SHIFT) |
285			   (6 << R300_MSBD0_X_SHIFT)));
286	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
287	radeon_ring_write(ring,
288			  ((6 << R300_MS_X3_SHIFT) |
289			   (6 << R300_MS_Y3_SHIFT) |
290			   (6 << R300_MS_X4_SHIFT) |
291			   (6 << R300_MS_Y4_SHIFT) |
292			   (6 << R300_MS_X5_SHIFT) |
293			   (6 << R300_MS_Y5_SHIFT) |
294			   (6 << R300_MSBD1_SHIFT)));
295	radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
296	radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
297	radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
298	radeon_ring_write(ring,
299			  R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
300	radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
301	radeon_ring_write(ring,
302			  R300_GEOMETRY_ROUND_NEAREST |
303			  R300_COLOR_ROUND_NEAREST);
304	radeon_ring_unlock_commit(rdev, ring, false);
305}
306
307static void r300_errata(struct radeon_device *rdev)
308{
309	rdev->pll_errata = 0;
310
311	if (rdev->family == CHIP_R300 &&
312	    (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
313		rdev->pll_errata |= CHIP_ERRATA_R300_CG;
314	}
315}
316
317int r300_mc_wait_for_idle(struct radeon_device *rdev)
318{
319	unsigned i;
320	uint32_t tmp;
321
322	for (i = 0; i < rdev->usec_timeout; i++) {
323		/* read MC_STATUS */
324		tmp = RREG32(RADEON_MC_STATUS);
325		if (tmp & R300_MC_IDLE) {
326			return 0;
327		}
328		DRM_UDELAY(1);
329	}
330	return -1;
331}
332
333static void r300_gpu_init(struct radeon_device *rdev)
334{
335	uint32_t gb_tile_config, tmp;
336
337	if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
338	    (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
339		/* r300,r350 */
340		rdev->num_gb_pipes = 2;
341	} else {
342		/* rv350,rv370,rv380,r300 AD, r350 AH */
343		rdev->num_gb_pipes = 1;
344	}
345	rdev->num_z_pipes = 1;
346	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
347	switch (rdev->num_gb_pipes) {
348	case 2:
349		gb_tile_config |= R300_PIPE_COUNT_R300;
350		break;
351	case 3:
352		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
353		break;
354	case 4:
355		gb_tile_config |= R300_PIPE_COUNT_R420;
356		break;
357	default:
358	case 1:
359		gb_tile_config |= R300_PIPE_COUNT_RV350;
360		break;
361	}
362	WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
363
364	if (r100_gui_wait_for_idle(rdev)) {
365		printk(KERN_WARNING "Failed to wait GUI idle while "
366		       "programming pipes. Bad things might happen.\n");
367	}
368
369	tmp = RREG32(R300_DST_PIPE_CONFIG);
370	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
371
372	WREG32(R300_RB2D_DSTCACHE_MODE,
373	       R300_DC_AUTOFLUSH_ENABLE |
374	       R300_DC_DC_DISABLE_IGNORE_PE);
375
376	if (r100_gui_wait_for_idle(rdev)) {
377		printk(KERN_WARNING "Failed to wait GUI idle while "
378		       "programming pipes. Bad things might happen.\n");
379	}
380	if (r300_mc_wait_for_idle(rdev)) {
381		printk(KERN_WARNING "Failed to wait MC idle while "
382		       "programming pipes. Bad things might happen.\n");
383	}
384	DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized.\n",
385		 rdev->num_gb_pipes, rdev->num_z_pipes);
386}
387
388int r300_asic_reset(struct radeon_device *rdev)
389{
390	struct r100_mc_save save;
391	u32 status, tmp;
392	int ret = 0;
393
394	status = RREG32(R_000E40_RBBM_STATUS);
395	if (!G_000E40_GUI_ACTIVE(status)) {
396		return 0;
397	}
398	r100_mc_stop(rdev, &save);
399	status = RREG32(R_000E40_RBBM_STATUS);
400	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
401	/* stop CP */
402	WREG32(RADEON_CP_CSQ_CNTL, 0);
403	tmp = RREG32(RADEON_CP_RB_CNTL);
404	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
405	WREG32(RADEON_CP_RB_RPTR_WR, 0);
406	WREG32(RADEON_CP_RB_WPTR, 0);
407	WREG32(RADEON_CP_RB_CNTL, tmp);
408	/* save PCI state */
409	pci_save_state(rdev->pdev);
410	/* disable bus mastering */
411	r100_bm_disable(rdev);
412	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
413					S_0000F0_SOFT_RESET_GA(1));
414	RREG32(R_0000F0_RBBM_SOFT_RESET);
415	mdelay(500);
416	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
417	mdelay(1);
418	status = RREG32(R_000E40_RBBM_STATUS);
419	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
420	/* resetting the CP seems to be problematic sometimes it end up
421	 * hard locking the computer, but it's necessary for successful
422	 * reset more test & playing is needed on R3XX/R4XX to find a
423	 * reliable (if any solution)
424	 */
425	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
426	RREG32(R_0000F0_RBBM_SOFT_RESET);
427	mdelay(500);
428	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
429	mdelay(1);
430	status = RREG32(R_000E40_RBBM_STATUS);
431	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
432	/* restore PCI & busmastering */
433	pci_restore_state(rdev->pdev);
434	r100_enable_bm(rdev);
435	/* Check if GPU is idle */
436	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
437		dev_err(rdev->dev, "failed to reset GPU\n");
438		ret = -1;
439	} else
440		dev_info(rdev->dev, "GPU reset succeed\n");
441	r100_mc_resume(rdev, &save);
442	return ret;
443}
444
445/*
446 * r300,r350,rv350,rv380 VRAM info
447 */
448void r300_mc_init(struct radeon_device *rdev)
449{
450	u64 base;
451	u32 tmp;
452
453	/* DDR for all card after R300 & IGP */
454	rdev->mc.vram_is_ddr = true;
455	tmp = RREG32(RADEON_MEM_CNTL);
456	tmp &= R300_MEM_NUM_CHANNELS_MASK;
457	switch (tmp) {
458	case 0: rdev->mc.vram_width = 64; break;
459	case 1: rdev->mc.vram_width = 128; break;
460	case 2: rdev->mc.vram_width = 256; break;
461	default:  rdev->mc.vram_width = 128; break;
462	}
463	r100_vram_init_sizes(rdev);
464	base = rdev->mc.aper_base;
465	if (rdev->flags & RADEON_IS_IGP)
466		base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
467	radeon_vram_location(rdev, &rdev->mc, base);
468	rdev->mc.gtt_base_align = 0;
469	if (!(rdev->flags & RADEON_IS_AGP))
470		radeon_gtt_location(rdev, &rdev->mc);
471	radeon_update_bandwidth_info(rdev);
472}
473
474void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
475{
476	uint32_t link_width_cntl, mask;
477
478	if (rdev->flags & RADEON_IS_IGP)
479		return;
480
481	if (!(rdev->flags & RADEON_IS_PCIE))
482		return;
483
484	/* FIXME wait for idle */
485
486	switch (lanes) {
487	case 0:
488		mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
489		break;
490	case 1:
491		mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
492		break;
493	case 2:
494		mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
495		break;
496	case 4:
497		mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
498		break;
499	case 8:
500		mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
501		break;
502	case 12:
503		mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
504		break;
505	case 16:
506	default:
507		mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
508		break;
509	}
510
511	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
512
513	if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
514	    (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
515		return;
516
517	link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
518			     RADEON_PCIE_LC_RECONFIG_NOW |
519			     RADEON_PCIE_LC_RECONFIG_LATER |
520			     RADEON_PCIE_LC_SHORT_RECONFIG_EN);
521	link_width_cntl |= mask;
522	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
523	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
524						     RADEON_PCIE_LC_RECONFIG_NOW));
525
526	/* wait for lane set to complete */
527	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
528	while (link_width_cntl == 0xffffffff)
529		link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
530
531}
532
533int rv370_get_pcie_lanes(struct radeon_device *rdev)
534{
535	u32 link_width_cntl;
536
537	if (rdev->flags & RADEON_IS_IGP)
538		return 0;
539
540	if (!(rdev->flags & RADEON_IS_PCIE))
541		return 0;
542
543	/* FIXME wait for idle */
544
545	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
546
547	switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
548	case RADEON_PCIE_LC_LINK_WIDTH_X0:
549		return 0;
550	case RADEON_PCIE_LC_LINK_WIDTH_X1:
551		return 1;
552	case RADEON_PCIE_LC_LINK_WIDTH_X2:
553		return 2;
554	case RADEON_PCIE_LC_LINK_WIDTH_X4:
555		return 4;
556	case RADEON_PCIE_LC_LINK_WIDTH_X8:
557		return 8;
558	case RADEON_PCIE_LC_LINK_WIDTH_X16:
559	default:
560		return 16;
561	}
562}
563
564#if defined(CONFIG_DEBUG_FS)
565static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
566{
567	struct drm_info_node *node = (struct drm_info_node *) m->private;
568	struct drm_device *dev = node->minor->dev;
569	struct radeon_device *rdev = dev->dev_private;
570	uint32_t tmp;
571
572	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
573	seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
574	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
575	seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
576	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
577	seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
578	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
579	seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
580	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
581	seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
582	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
583	seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
584	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
585	seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
586	return 0;
587}
588
589static struct drm_info_list rv370_pcie_gart_info_list[] = {
590	{"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
591};
592#endif
593
594static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
595{
596#if defined(CONFIG_DEBUG_FS)
597	return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
598#else
599	return 0;
600#endif
601}
602
603static int r300_packet0_check(struct radeon_cs_parser *p,
604		struct radeon_cs_packet *pkt,
605		unsigned idx, unsigned reg)
606{
607	struct radeon_bo_list *reloc;
608	struct r100_cs_track *track;
609	volatile uint32_t *ib;
610	uint32_t tmp, tile_flags = 0;
611	unsigned i;
612	int r;
613	u32 idx_value;
614
615	ib = p->ib.ptr;
616	track = (struct r100_cs_track *)p->track;
617	idx_value = radeon_get_ib_value(p, idx);
618
619	switch(reg) {
620	case AVIVO_D1MODE_VLINE_START_END:
621	case RADEON_CRTC_GUI_TRIG_VLINE:
622		r = r100_cs_packet_parse_vline(p);
623		if (r) {
624			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
625					idx, reg);
626			radeon_cs_dump_packet(p, pkt);
627			return r;
628		}
629		break;
630	case RADEON_DST_PITCH_OFFSET:
631	case RADEON_SRC_PITCH_OFFSET:
632		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
633		if (r)
634			return r;
635		break;
636	case R300_RB3D_COLOROFFSET0:
637	case R300_RB3D_COLOROFFSET1:
638	case R300_RB3D_COLOROFFSET2:
639	case R300_RB3D_COLOROFFSET3:
640		i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
641		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
642		if (r) {
643			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
644					idx, reg);
645			radeon_cs_dump_packet(p, pkt);
646			return r;
647		}
648		track->cb[i].robj = reloc->robj;
649		track->cb[i].offset = idx_value;
650		track->cb_dirty = true;
651		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
652		break;
653	case R300_ZB_DEPTHOFFSET:
654		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
655		if (r) {
656			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
657					idx, reg);
658			radeon_cs_dump_packet(p, pkt);
659			return r;
660		}
661		track->zb.robj = reloc->robj;
662		track->zb.offset = idx_value;
663		track->zb_dirty = true;
664		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
665		break;
666	case R300_TX_OFFSET_0:
667	case R300_TX_OFFSET_0+4:
668	case R300_TX_OFFSET_0+8:
669	case R300_TX_OFFSET_0+12:
670	case R300_TX_OFFSET_0+16:
671	case R300_TX_OFFSET_0+20:
672	case R300_TX_OFFSET_0+24:
673	case R300_TX_OFFSET_0+28:
674	case R300_TX_OFFSET_0+32:
675	case R300_TX_OFFSET_0+36:
676	case R300_TX_OFFSET_0+40:
677	case R300_TX_OFFSET_0+44:
678	case R300_TX_OFFSET_0+48:
679	case R300_TX_OFFSET_0+52:
680	case R300_TX_OFFSET_0+56:
681	case R300_TX_OFFSET_0+60:
682		i = (reg - R300_TX_OFFSET_0) >> 2;
683		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
684		if (r) {
685			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
686					idx, reg);
687			radeon_cs_dump_packet(p, pkt);
688			return r;
689		}
690
691		if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
692			ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
693				  ((idx_value & ~31) + (u32)reloc->gpu_offset);
694		} else {
695			if (reloc->tiling_flags & RADEON_TILING_MACRO)
696				tile_flags |= R300_TXO_MACRO_TILE;
697			if (reloc->tiling_flags & RADEON_TILING_MICRO)
698				tile_flags |= R300_TXO_MICRO_TILE;
699			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
700				tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
701
702			tmp = idx_value + ((u32)reloc->gpu_offset);
703			tmp |= tile_flags;
704			ib[idx] = tmp;
705		}
706		track->textures[i].robj = reloc->robj;
707		track->tex_dirty = true;
708		break;
709	/* Tracked registers */
710	case 0x2084:
711		/* VAP_VF_CNTL */
712		track->vap_vf_cntl = idx_value;
713		break;
714	case 0x20B4:
715		/* VAP_VTX_SIZE */
716		track->vtx_size = idx_value & 0x7F;
717		break;
718	case 0x2134:
719		/* VAP_VF_MAX_VTX_INDX */
720		track->max_indx = idx_value & 0x00FFFFFFUL;
721		break;
722	case 0x2088:
723		/* VAP_ALT_NUM_VERTICES - only valid on r500 */
724		if (p->rdev->family < CHIP_RV515)
725			goto fail;
726		track->vap_alt_nverts = idx_value & 0xFFFFFF;
727		break;
728	case 0x43E4:
729		/* SC_SCISSOR1 */
730		track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
731		if (p->rdev->family < CHIP_RV515) {
732			track->maxy -= 1440;
733		}
734		track->cb_dirty = true;
735		track->zb_dirty = true;
736		break;
737	case 0x4E00:
738		/* RB3D_CCTL */
739		if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
740		    p->rdev->cmask_filp != p->filp) {
741			DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
742			return -EINVAL;
743		}
744		track->num_cb = ((idx_value >> 5) & 0x3) + 1;
745		track->cb_dirty = true;
746		break;
747	case 0x4E38:
748	case 0x4E3C:
749	case 0x4E40:
750	case 0x4E44:
751		/* RB3D_COLORPITCH0 */
752		/* RB3D_COLORPITCH1 */
753		/* RB3D_COLORPITCH2 */
754		/* RB3D_COLORPITCH3 */
755		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
756			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
757			if (r) {
758				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
759					  idx, reg);
760				radeon_cs_dump_packet(p, pkt);
761				return r;
762			}
763
764			if (reloc->tiling_flags & RADEON_TILING_MACRO)
765				tile_flags |= R300_COLOR_TILE_ENABLE;
766			if (reloc->tiling_flags & RADEON_TILING_MICRO)
767				tile_flags |= R300_COLOR_MICROTILE_ENABLE;
768			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
769				tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
770
771			tmp = idx_value & ~(0x7 << 16);
772			tmp |= tile_flags;
773			ib[idx] = tmp;
774		}
775		i = (reg - 0x4E38) >> 2;
776		track->cb[i].pitch = idx_value & 0x3FFE;
777		switch (((idx_value >> 21) & 0xF)) {
778		case 9:
779		case 11:
780		case 12:
781			track->cb[i].cpp = 1;
782			break;
783		case 3:
784		case 4:
785		case 13:
786		case 15:
787			track->cb[i].cpp = 2;
788			break;
789		case 5:
790			if (p->rdev->family < CHIP_RV515) {
791				DRM_ERROR("Invalid color buffer format (%d)!\n",
792					  ((idx_value >> 21) & 0xF));
793				return -EINVAL;
794			}
795			/* Pass through. */
796		case 6:
797			track->cb[i].cpp = 4;
798			break;
799		case 10:
800			track->cb[i].cpp = 8;
801			break;
802		case 7:
803			track->cb[i].cpp = 16;
804			break;
805		default:
806			DRM_ERROR("Invalid color buffer format (%d) !\n",
807				  ((idx_value >> 21) & 0xF));
808			return -EINVAL;
809		}
810		track->cb_dirty = true;
811		break;
812	case 0x4F00:
813		/* ZB_CNTL */
814		if (idx_value & 2) {
815			track->z_enabled = true;
816		} else {
817			track->z_enabled = false;
818		}
819		track->zb_dirty = true;
820		break;
821	case 0x4F10:
822		/* ZB_FORMAT */
823		switch ((idx_value & 0xF)) {
824		case 0:
825		case 1:
826			track->zb.cpp = 2;
827			break;
828		case 2:
829			track->zb.cpp = 4;
830			break;
831		default:
832			DRM_ERROR("Invalid z buffer format (%d) !\n",
833				  (idx_value & 0xF));
834			return -EINVAL;
835		}
836		track->zb_dirty = true;
837		break;
838	case 0x4F24:
839		/* ZB_DEPTHPITCH */
840		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
841			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
842			if (r) {
843				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
844					  idx, reg);
845				radeon_cs_dump_packet(p, pkt);
846				return r;
847			}
848
849			if (reloc->tiling_flags & RADEON_TILING_MACRO)
850				tile_flags |= R300_DEPTHMACROTILE_ENABLE;
851			if (reloc->tiling_flags & RADEON_TILING_MICRO)
852				tile_flags |= R300_DEPTHMICROTILE_TILED;
853			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
854				tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
855
856			tmp = idx_value & ~(0x7 << 16);
857			tmp |= tile_flags;
858			ib[idx] = tmp;
859		}
860		track->zb.pitch = idx_value & 0x3FFC;
861		track->zb_dirty = true;
862		break;
863	case 0x4104:
864		/* TX_ENABLE */
865		for (i = 0; i < 16; i++) {
866			bool enabled;
867
868			enabled = !!(idx_value & (1 << i));
869			track->textures[i].enabled = enabled;
870		}
871		track->tex_dirty = true;
872		break;
873	case 0x44C0:
874	case 0x44C4:
875	case 0x44C8:
876	case 0x44CC:
877	case 0x44D0:
878	case 0x44D4:
879	case 0x44D8:
880	case 0x44DC:
881	case 0x44E0:
882	case 0x44E4:
883	case 0x44E8:
884	case 0x44EC:
885	case 0x44F0:
886	case 0x44F4:
887	case 0x44F8:
888	case 0x44FC:
889		/* TX_FORMAT1_[0-15] */
890		i = (reg - 0x44C0) >> 2;
891		tmp = (idx_value >> 25) & 0x3;
892		track->textures[i].tex_coord_type = tmp;
893		switch ((idx_value & 0x1F)) {
894		case R300_TX_FORMAT_X8:
895		case R300_TX_FORMAT_Y4X4:
896		case R300_TX_FORMAT_Z3Y3X2:
897			track->textures[i].cpp = 1;
898			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
899			break;
900		case R300_TX_FORMAT_X16:
901		case R300_TX_FORMAT_FL_I16:
902		case R300_TX_FORMAT_Y8X8:
903		case R300_TX_FORMAT_Z5Y6X5:
904		case R300_TX_FORMAT_Z6Y5X5:
905		case R300_TX_FORMAT_W4Z4Y4X4:
906		case R300_TX_FORMAT_W1Z5Y5X5:
907		case R300_TX_FORMAT_D3DMFT_CxV8U8:
908		case R300_TX_FORMAT_B8G8_B8G8:
909		case R300_TX_FORMAT_G8R8_G8B8:
910			track->textures[i].cpp = 2;
911			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
912			break;
913		case R300_TX_FORMAT_Y16X16:
914		case R300_TX_FORMAT_FL_I16A16:
915		case R300_TX_FORMAT_Z11Y11X10:
916		case R300_TX_FORMAT_Z10Y11X11:
917		case R300_TX_FORMAT_W8Z8Y8X8:
918		case R300_TX_FORMAT_W2Z10Y10X10:
919		case 0x17:
920		case R300_TX_FORMAT_FL_I32:
921		case 0x1e:
922			track->textures[i].cpp = 4;
923			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
924			break;
925		case R300_TX_FORMAT_W16Z16Y16X16:
926		case R300_TX_FORMAT_FL_R16G16B16A16:
927		case R300_TX_FORMAT_FL_I32A32:
928			track->textures[i].cpp = 8;
929			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
930			break;
931		case R300_TX_FORMAT_FL_R32G32B32A32:
932			track->textures[i].cpp = 16;
933			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
934			break;
935		case R300_TX_FORMAT_DXT1:
936			track->textures[i].cpp = 1;
937			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
938			break;
939		case R300_TX_FORMAT_ATI2N:
940			if (p->rdev->family < CHIP_R420) {
941				DRM_ERROR("Invalid texture format %u\n",
942					  (idx_value & 0x1F));
943				return -EINVAL;
944			}
945			/* The same rules apply as for DXT3/5. */
946			/* Pass through. */
947		case R300_TX_FORMAT_DXT3:
948		case R300_TX_FORMAT_DXT5:
949			track->textures[i].cpp = 1;
950			track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
951			break;
952		default:
953			DRM_ERROR("Invalid texture format %u\n",
954				  (idx_value & 0x1F));
955			return -EINVAL;
956		}
957		track->tex_dirty = true;
958		break;
959	case 0x4400:
960	case 0x4404:
961	case 0x4408:
962	case 0x440C:
963	case 0x4410:
964	case 0x4414:
965	case 0x4418:
966	case 0x441C:
967	case 0x4420:
968	case 0x4424:
969	case 0x4428:
970	case 0x442C:
971	case 0x4430:
972	case 0x4434:
973	case 0x4438:
974	case 0x443C:
975		/* TX_FILTER0_[0-15] */
976		i = (reg - 0x4400) >> 2;
977		tmp = idx_value & 0x7;
978		if (tmp == 2 || tmp == 4 || tmp == 6) {
979			track->textures[i].roundup_w = false;
980		}
981		tmp = (idx_value >> 3) & 0x7;
982		if (tmp == 2 || tmp == 4 || tmp == 6) {
983			track->textures[i].roundup_h = false;
984		}
985		track->tex_dirty = true;
986		break;
987	case 0x4500:
988	case 0x4504:
989	case 0x4508:
990	case 0x450C:
991	case 0x4510:
992	case 0x4514:
993	case 0x4518:
994	case 0x451C:
995	case 0x4520:
996	case 0x4524:
997	case 0x4528:
998	case 0x452C:
999	case 0x4530:
1000	case 0x4534:
1001	case 0x4538:
1002	case 0x453C:
1003		/* TX_FORMAT2_[0-15] */
1004		i = (reg - 0x4500) >> 2;
1005		tmp = idx_value & 0x3FFF;
1006		track->textures[i].pitch = tmp + 1;
1007		if (p->rdev->family >= CHIP_RV515) {
1008			tmp = ((idx_value >> 15) & 1) << 11;
1009			track->textures[i].width_11 = tmp;
1010			tmp = ((idx_value >> 16) & 1) << 11;
1011			track->textures[i].height_11 = tmp;
1012
1013			/* ATI1N */
1014			if (idx_value & (1 << 14)) {
1015				/* The same rules apply as for DXT1. */
1016				track->textures[i].compress_format =
1017					R100_TRACK_COMP_DXT1;
1018			}
1019		} else if (idx_value & (1 << 14)) {
1020			DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1021			return -EINVAL;
1022		}
1023		track->tex_dirty = true;
1024		break;
1025	case 0x4480:
1026	case 0x4484:
1027	case 0x4488:
1028	case 0x448C:
1029	case 0x4490:
1030	case 0x4494:
1031	case 0x4498:
1032	case 0x449C:
1033	case 0x44A0:
1034	case 0x44A4:
1035	case 0x44A8:
1036	case 0x44AC:
1037	case 0x44B0:
1038	case 0x44B4:
1039	case 0x44B8:
1040	case 0x44BC:
1041		/* TX_FORMAT0_[0-15] */
1042		i = (reg - 0x4480) >> 2;
1043		tmp = idx_value & 0x7FF;
1044		track->textures[i].width = tmp + 1;
1045		tmp = (idx_value >> 11) & 0x7FF;
1046		track->textures[i].height = tmp + 1;
1047		tmp = (idx_value >> 26) & 0xF;
1048		track->textures[i].num_levels = tmp;
1049		tmp = idx_value & (1 << 31);
1050		track->textures[i].use_pitch = !!tmp;
1051		tmp = (idx_value >> 22) & 0xF;
1052		track->textures[i].txdepth = tmp;
1053		track->tex_dirty = true;
1054		break;
1055	case R300_ZB_ZPASS_ADDR:
1056		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1057		if (r) {
1058			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1059					idx, reg);
1060			radeon_cs_dump_packet(p, pkt);
1061			return r;
1062		}
1063		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1064		break;
1065	case 0x4e0c:
1066		/* RB3D_COLOR_CHANNEL_MASK */
1067		track->color_channel_mask = idx_value;
1068		track->cb_dirty = true;
1069		break;
1070	case 0x43a4:
1071		/* SC_HYPERZ_EN */
1072		/* r300c emits this register - we need to disable hyperz for it
1073		 * without complaining */
1074		if (p->rdev->hyperz_filp != p->filp) {
1075			if (idx_value & 0x1)
1076				ib[idx] = idx_value & ~1;
1077		}
1078		break;
1079	case 0x4f1c:
1080		/* ZB_BW_CNTL */
1081		track->zb_cb_clear = !!(idx_value & (1 << 5));
1082		track->cb_dirty = true;
1083		track->zb_dirty = true;
1084		if (p->rdev->hyperz_filp != p->filp) {
1085			if (idx_value & (R300_HIZ_ENABLE |
1086					 R300_RD_COMP_ENABLE |
1087					 R300_WR_COMP_ENABLE |
1088					 R300_FAST_FILL_ENABLE))
1089				goto fail;
1090		}
1091		break;
1092	case 0x4e04:
1093		/* RB3D_BLENDCNTL */
1094		track->blend_read_enable = !!(idx_value & (1 << 2));
1095		track->cb_dirty = true;
1096		break;
1097	case R300_RB3D_AARESOLVE_OFFSET:
1098		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1099		if (r) {
1100			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1101				  idx, reg);
1102			radeon_cs_dump_packet(p, pkt);
1103			return r;
1104		}
1105		track->aa.robj = reloc->robj;
1106		track->aa.offset = idx_value;
1107		track->aa_dirty = true;
1108		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1109		break;
1110	case R300_RB3D_AARESOLVE_PITCH:
1111		track->aa.pitch = idx_value & 0x3FFE;
1112		track->aa_dirty = true;
1113		break;
1114	case R300_RB3D_AARESOLVE_CTL:
1115		track->aaresolve = idx_value & 0x1;
1116		track->aa_dirty = true;
1117		break;
1118	case 0x4f30: /* ZB_MASK_OFFSET */
1119	case 0x4f34: /* ZB_ZMASK_PITCH */
1120	case 0x4f44: /* ZB_HIZ_OFFSET */
1121	case 0x4f54: /* ZB_HIZ_PITCH */
1122		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1123			goto fail;
1124		break;
1125	case 0x4028:
1126		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1127			goto fail;
1128		/* GB_Z_PEQ_CONFIG */
1129		if (p->rdev->family >= CHIP_RV350)
1130			break;
1131		goto fail;
1132		break;
1133	case 0x4be8:
1134		/* valid register only on RV530 */
1135		if (p->rdev->family == CHIP_RV530)
1136			break;
1137		/* fallthrough do not move */
1138	default:
1139		goto fail;
1140	}
1141	return 0;
1142fail:
1143	printk(KERN_ERR "Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1144	       reg, idx, idx_value);
1145	return -EINVAL;
1146}
1147
1148static int r300_packet3_check(struct radeon_cs_parser *p,
1149			      struct radeon_cs_packet *pkt)
1150{
1151	struct radeon_bo_list *reloc;
1152	struct r100_cs_track *track;
1153	volatile uint32_t *ib;
1154	unsigned idx;
1155	int r;
1156
1157	ib = p->ib.ptr;
1158	idx = pkt->idx + 1;
1159	track = (struct r100_cs_track *)p->track;
1160	switch(pkt->opcode) {
1161	case PACKET3_3D_LOAD_VBPNTR:
1162		r = r100_packet3_load_vbpntr(p, pkt, idx);
1163		if (r)
1164			return r;
1165		break;
1166	case PACKET3_INDX_BUFFER:
1167		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1168		if (r) {
1169			DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1170			radeon_cs_dump_packet(p, pkt);
1171			return r;
1172		}
1173		ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1174		r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1175		if (r) {
1176			return r;
1177		}
1178		break;
1179	/* Draw packet */
1180	case PACKET3_3D_DRAW_IMMD:
1181		/* Number of dwords is vtx_size * (num_vertices - 1)
1182		 * PRIM_WALK must be equal to 3 vertex data in embedded
1183		 * in cmd stream */
1184		if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1185			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1186			return -EINVAL;
1187		}
1188		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1189		track->immd_dwords = pkt->count - 1;
1190		r = r100_cs_track_check(p->rdev, track);
1191		if (r) {
1192			return r;
1193		}
1194		break;
1195	case PACKET3_3D_DRAW_IMMD_2:
1196		/* Number of dwords is vtx_size * (num_vertices - 1)
1197		 * PRIM_WALK must be equal to 3 vertex data in embedded
1198		 * in cmd stream */
1199		if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1200			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1201			return -EINVAL;
1202		}
1203		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1204		track->immd_dwords = pkt->count;
1205		r = r100_cs_track_check(p->rdev, track);
1206		if (r) {
1207			return r;
1208		}
1209		break;
1210	case PACKET3_3D_DRAW_VBUF:
1211		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1212		r = r100_cs_track_check(p->rdev, track);
1213		if (r) {
1214			return r;
1215		}
1216		break;
1217	case PACKET3_3D_DRAW_VBUF_2:
1218		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1219		r = r100_cs_track_check(p->rdev, track);
1220		if (r) {
1221			return r;
1222		}
1223		break;
1224	case PACKET3_3D_DRAW_INDX:
1225		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1226		r = r100_cs_track_check(p->rdev, track);
1227		if (r) {
1228			return r;
1229		}
1230		break;
1231	case PACKET3_3D_DRAW_INDX_2:
1232		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1233		r = r100_cs_track_check(p->rdev, track);
1234		if (r) {
1235			return r;
1236		}
1237		break;
1238	case PACKET3_3D_CLEAR_HIZ:
1239	case PACKET3_3D_CLEAR_ZMASK:
1240		if (p->rdev->hyperz_filp != p->filp)
1241			return -EINVAL;
1242		break;
1243	case PACKET3_3D_CLEAR_CMASK:
1244		if (p->rdev->cmask_filp != p->filp)
1245			return -EINVAL;
1246		break;
1247	case PACKET3_NOP:
1248		break;
1249	default:
1250		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1251		return -EINVAL;
1252	}
1253	return 0;
1254}
1255
1256int r300_cs_parse(struct radeon_cs_parser *p)
1257{
1258	struct radeon_cs_packet pkt;
1259	struct r100_cs_track *track;
1260	int r;
1261
1262	track = kzalloc(sizeof(*track), GFP_KERNEL);
1263	if (track == NULL)
1264		return -ENOMEM;
1265	r100_cs_track_clear(p->rdev, track);
1266	p->track = track;
1267	do {
1268		r = radeon_cs_packet_parse(p, &pkt, p->idx);
1269		if (r) {
1270			return r;
1271		}
1272		p->idx += pkt.count + 2;
1273		switch (pkt.type) {
1274		case RADEON_PACKET_TYPE0:
1275			r = r100_cs_parse_packet0(p, &pkt,
1276						  p->rdev->config.r300.reg_safe_bm,
1277						  p->rdev->config.r300.reg_safe_bm_size,
1278						  &r300_packet0_check);
1279			break;
1280		case RADEON_PACKET_TYPE2:
1281			break;
1282		case RADEON_PACKET_TYPE3:
1283			r = r300_packet3_check(p, &pkt);
1284			break;
1285		default:
1286			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1287			return -EINVAL;
1288		}
1289		if (r) {
1290			return r;
1291		}
1292	} while (p->idx < p->chunk_ib->length_dw);
1293	return 0;
1294}
1295
1296void r300_set_reg_safe(struct radeon_device *rdev)
1297{
1298	rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1299	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1300}
1301
1302void r300_mc_program(struct radeon_device *rdev)
1303{
1304	struct r100_mc_save save;
1305	int r;
1306
1307	r = r100_debugfs_mc_info_init(rdev);
1308	if (r) {
1309		dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1310	}
1311
1312	/* Stops all mc clients */
1313	r100_mc_stop(rdev, &save);
1314	if (rdev->flags & RADEON_IS_AGP) {
1315		WREG32(R_00014C_MC_AGP_LOCATION,
1316			S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1317			S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1318		WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1319		WREG32(R_00015C_AGP_BASE_2,
1320			upper_32_bits(rdev->mc.agp_base) & 0xff);
1321	} else {
1322		WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1323		WREG32(R_000170_AGP_BASE, 0);
1324		WREG32(R_00015C_AGP_BASE_2, 0);
1325	}
1326	/* Wait for mc idle */
1327	if (r300_mc_wait_for_idle(rdev))
1328		DRM_INFO("Failed to wait MC idle before programming MC.\n");
1329	/* Program MC, should be a 32bits limited address space */
1330	WREG32(R_000148_MC_FB_LOCATION,
1331		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1332		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1333	r100_mc_resume(rdev, &save);
1334}
1335
1336void r300_clock_startup(struct radeon_device *rdev)
1337{
1338	u32 tmp;
1339
1340	if (radeon_dynclks != -1 && radeon_dynclks)
1341		radeon_legacy_set_clock_gating(rdev, 1);
1342	/* We need to force on some of the block */
1343	tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1344	tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1345	if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1346		tmp |= S_00000D_FORCE_VAP(1);
1347	WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1348}
1349
1350static int r300_startup(struct radeon_device *rdev)
1351{
1352	int r;
1353
1354	/* set common regs */
1355	r100_set_common_regs(rdev);
1356	/* program mc */
1357	r300_mc_program(rdev);
1358	/* Resume clock */
1359	r300_clock_startup(rdev);
1360	/* Initialize GPU configuration (# pipes, ...) */
1361	r300_gpu_init(rdev);
1362	/* Initialize GART (initialize after TTM so we can allocate
1363	 * memory through TTM but finalize after TTM) */
1364	if (rdev->flags & RADEON_IS_PCIE) {
1365		r = rv370_pcie_gart_enable(rdev);
1366		if (r)
1367			return r;
1368	}
1369
1370	if (rdev->family == CHIP_R300 ||
1371	    rdev->family == CHIP_R350 ||
1372	    rdev->family == CHIP_RV350)
1373		r100_enable_bm(rdev);
1374
1375	if (rdev->flags & RADEON_IS_PCI) {
1376		r = r100_pci_gart_enable(rdev);
1377		if (r)
1378			return r;
1379	}
1380
1381	/* allocate wb buffer */
1382	r = radeon_wb_init(rdev);
1383	if (r)
1384		return r;
1385
1386	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1387	if (r) {
1388		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1389		return r;
1390	}
1391
1392	/* Enable IRQ */
1393	if (!rdev->irq.installed) {
1394		r = radeon_irq_kms_init(rdev);
1395		if (r)
1396			return r;
1397	}
1398
1399	r100_irq_set(rdev);
1400	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1401	/* 1M ring buffer */
1402	r = r100_cp_init(rdev, 1024 * 1024);
1403	if (r) {
1404		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1405		return r;
1406	}
1407
1408	r = radeon_ib_pool_init(rdev);
1409	if (r) {
1410		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1411		return r;
1412	}
1413
1414	return 0;
1415}
1416
1417int r300_resume(struct radeon_device *rdev)
1418{
1419	int r;
1420
1421	/* Make sur GART are not working */
1422	if (rdev->flags & RADEON_IS_PCIE)
1423		rv370_pcie_gart_disable(rdev);
1424	if (rdev->flags & RADEON_IS_PCI)
1425		r100_pci_gart_disable(rdev);
1426	/* Resume clock before doing reset */
1427	r300_clock_startup(rdev);
1428	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1429	if (radeon_asic_reset(rdev)) {
1430		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1431			RREG32(R_000E40_RBBM_STATUS),
1432			RREG32(R_0007C0_CP_STAT));
1433	}
1434	/* post */
1435	radeon_combios_asic_init(rdev->ddev);
1436	/* Resume clock after posting */
1437	r300_clock_startup(rdev);
1438	/* Initialize surface registers */
1439	radeon_surface_init(rdev);
1440
1441	rdev->accel_working = true;
1442	r = r300_startup(rdev);
1443	if (r) {
1444		rdev->accel_working = false;
1445	}
1446	return r;
1447}
1448
1449int r300_suspend(struct radeon_device *rdev)
1450{
1451	radeon_pm_suspend(rdev);
1452	r100_cp_disable(rdev);
1453	radeon_wb_disable(rdev);
1454	r100_irq_disable(rdev);
1455	if (rdev->flags & RADEON_IS_PCIE)
1456		rv370_pcie_gart_disable(rdev);
1457	if (rdev->flags & RADEON_IS_PCI)
1458		r100_pci_gart_disable(rdev);
1459	return 0;
1460}
1461
1462void r300_fini(struct radeon_device *rdev)
1463{
1464	radeon_pm_fini(rdev);
1465	r100_cp_fini(rdev);
1466	radeon_wb_fini(rdev);
1467	radeon_ib_pool_fini(rdev);
1468	radeon_gem_fini(rdev);
1469	if (rdev->flags & RADEON_IS_PCIE)
1470		rv370_pcie_gart_fini(rdev);
1471	if (rdev->flags & RADEON_IS_PCI)
1472		r100_pci_gart_fini(rdev);
1473	radeon_agp_fini(rdev);
1474	radeon_irq_kms_fini(rdev);
1475	radeon_fence_driver_fini(rdev);
1476	radeon_bo_fini(rdev);
1477	radeon_atombios_fini(rdev);
1478	kfree(rdev->bios);
1479	rdev->bios = NULL;
1480}
1481
1482int r300_init(struct radeon_device *rdev)
1483{
1484	int r;
1485
1486	/* Disable VGA */
1487	r100_vga_render_disable(rdev);
1488	/* Initialize scratch registers */
1489	radeon_scratch_init(rdev);
1490	/* Initialize surface registers */
1491	radeon_surface_init(rdev);
1492	/* TODO: disable VGA need to use VGA request */
1493	/* restore some register to sane defaults */
1494	r100_restore_sanity(rdev);
1495	/* BIOS*/
1496	if (!radeon_get_bios(rdev)) {
1497		if (ASIC_IS_AVIVO(rdev))
1498			return -EINVAL;
1499	}
1500	if (rdev->is_atom_bios) {
1501		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1502		return -EINVAL;
1503	} else {
1504		r = radeon_combios_init(rdev);
1505		if (r)
1506			return r;
1507	}
1508	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1509	if (radeon_asic_reset(rdev)) {
1510		dev_warn(rdev->dev,
1511			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1512			RREG32(R_000E40_RBBM_STATUS),
1513			RREG32(R_0007C0_CP_STAT));
1514	}
1515	/* check if cards are posted or not */
1516	if (radeon_boot_test_post_card(rdev) == false)
1517		return -EINVAL;
1518	/* Set asic errata */
1519	r300_errata(rdev);
1520	/* Initialize clocks */
1521	radeon_get_clock_info(rdev->ddev);
1522	/* initialize AGP */
1523	if (rdev->flags & RADEON_IS_AGP) {
1524		r = radeon_agp_init(rdev);
1525		if (r) {
1526			radeon_agp_disable(rdev);
1527		}
1528	}
1529	/* initialize memory controller */
1530	r300_mc_init(rdev);
1531	/* Fence driver */
1532	r = radeon_fence_driver_init(rdev);
1533	if (r)
1534		return r;
1535	/* Memory manager */
1536	r = radeon_bo_init(rdev);
1537	if (r)
1538		return r;
1539	if (rdev->flags & RADEON_IS_PCIE) {
1540		r = rv370_pcie_gart_init(rdev);
1541		if (r)
1542			return r;
1543	}
1544	if (rdev->flags & RADEON_IS_PCI) {
1545		r = r100_pci_gart_init(rdev);
1546		if (r)
1547			return r;
1548	}
1549	r300_set_reg_safe(rdev);
1550
1551	/* Initialize power management */
1552	radeon_pm_init(rdev);
1553
1554	rdev->accel_working = true;
1555	r = r300_startup(rdev);
1556	if (r) {
1557		/* Something went wrong with the accel init, so stop accel */
1558		dev_err(rdev->dev, "Disabling GPU acceleration\n");
1559		r100_cp_fini(rdev);
1560		radeon_wb_fini(rdev);
1561		radeon_ib_pool_fini(rdev);
1562		radeon_irq_kms_fini(rdev);
1563		if (rdev->flags & RADEON_IS_PCIE)
1564			rv370_pcie_gart_fini(rdev);
1565		if (rdev->flags & RADEON_IS_PCI)
1566			r100_pci_gart_fini(rdev);
1567		radeon_agp_fini(rdev);
1568		rdev->accel_working = false;
1569	}
1570	return 0;
1571}
1572