xref: /openbmc/linux/drivers/gpu/drm/radeon/r300.c (revision 4f6cce39)
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  * Indirect registers accessor
54  */
55 uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
56 {
57 	unsigned long flags;
58 	uint32_t r;
59 
60 	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
61 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
62 	r = RREG32(RADEON_PCIE_DATA);
63 	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
64 	return r;
65 }
66 
67 void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
68 {
69 	unsigned long flags;
70 
71 	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
72 	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
73 	WREG32(RADEON_PCIE_DATA, (v));
74 	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
75 }
76 
77 /*
78  * rv370,rv380 PCIE GART
79  */
80 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
81 
82 void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
83 {
84 	uint32_t tmp;
85 	int i;
86 
87 	/* Workaround HW bug do flush 2 times */
88 	for (i = 0; i < 2; i++) {
89 		tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
90 		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
91 		(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
92 		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
93 	}
94 	mb();
95 }
96 
97 #define R300_PTE_UNSNOOPED (1 << 0)
98 #define R300_PTE_WRITEABLE (1 << 2)
99 #define R300_PTE_READABLE  (1 << 3)
100 
101 uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
102 {
103 	addr = (lower_32_bits(addr) >> 8) |
104 		((upper_32_bits(addr) & 0xff) << 24);
105 	if (flags & RADEON_GART_PAGE_READ)
106 		addr |= R300_PTE_READABLE;
107 	if (flags & RADEON_GART_PAGE_WRITE)
108 		addr |= R300_PTE_WRITEABLE;
109 	if (!(flags & RADEON_GART_PAGE_SNOOP))
110 		addr |= R300_PTE_UNSNOOPED;
111 	return addr;
112 }
113 
114 void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
115 			      uint64_t entry)
116 {
117 	void __iomem *ptr = rdev->gart.ptr;
118 
119 	/* on x86 we want this to be CPU endian, on powerpc
120 	 * on powerpc without HW swappers, it'll get swapped on way
121 	 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
122 	writel(entry, ((void __iomem *)ptr) + (i * 4));
123 }
124 
125 int rv370_pcie_gart_init(struct radeon_device *rdev)
126 {
127 	int r;
128 
129 	if (rdev->gart.robj) {
130 		WARN(1, "RV370 PCIE GART already initialized\n");
131 		return 0;
132 	}
133 	/* Initialize common gart structure */
134 	r = radeon_gart_init(rdev);
135 	if (r)
136 		return r;
137 	r = rv370_debugfs_pcie_gart_info_init(rdev);
138 	if (r)
139 		DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
140 	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
141 	rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
142 	rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
143 	rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
144 	return radeon_gart_table_vram_alloc(rdev);
145 }
146 
147 int rv370_pcie_gart_enable(struct radeon_device *rdev)
148 {
149 	uint32_t table_addr;
150 	uint32_t tmp;
151 	int r;
152 
153 	if (rdev->gart.robj == NULL) {
154 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
155 		return -EINVAL;
156 	}
157 	r = radeon_gart_table_vram_pin(rdev);
158 	if (r)
159 		return r;
160 	/* discard memory request outside of configured range */
161 	tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
162 	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
163 	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
164 	tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
165 	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
166 	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
167 	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
168 	table_addr = rdev->gart.table_addr;
169 	WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
170 	/* FIXME: setup default page */
171 	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
172 	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
173 	/* Clear error */
174 	WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
175 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
176 	tmp |= RADEON_PCIE_TX_GART_EN;
177 	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
178 	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
179 	rv370_pcie_gart_tlb_flush(rdev);
180 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
181 		 (unsigned)(rdev->mc.gtt_size >> 20),
182 		 (unsigned long long)table_addr);
183 	rdev->gart.ready = true;
184 	return 0;
185 }
186 
187 void rv370_pcie_gart_disable(struct radeon_device *rdev)
188 {
189 	u32 tmp;
190 
191 	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
192 	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
193 	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
194 	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
195 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
196 	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
197 	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
198 	radeon_gart_table_vram_unpin(rdev);
199 }
200 
201 void rv370_pcie_gart_fini(struct radeon_device *rdev)
202 {
203 	radeon_gart_fini(rdev);
204 	rv370_pcie_gart_disable(rdev);
205 	radeon_gart_table_vram_free(rdev);
206 }
207 
208 void r300_fence_ring_emit(struct radeon_device *rdev,
209 			  struct radeon_fence *fence)
210 {
211 	struct radeon_ring *ring = &rdev->ring[fence->ring];
212 
213 	/* Who ever call radeon_fence_emit should call ring_lock and ask
214 	 * for enough space (today caller are ib schedule and buffer move) */
215 	/* Write SC register so SC & US assert idle */
216 	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
217 	radeon_ring_write(ring, 0);
218 	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
219 	radeon_ring_write(ring, 0);
220 	/* Flush 3D cache */
221 	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
222 	radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
223 	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
224 	radeon_ring_write(ring, R300_ZC_FLUSH);
225 	/* Wait until IDLE & CLEAN */
226 	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
227 	radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
228 				 RADEON_WAIT_2D_IDLECLEAN |
229 				 RADEON_WAIT_DMA_GUI_IDLE));
230 	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
231 	radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
232 				RADEON_HDP_READ_BUFFER_INVALIDATE);
233 	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
234 	radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
235 	/* Emit fence sequence & fire IRQ */
236 	radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
237 	radeon_ring_write(ring, fence->seq);
238 	radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
239 	radeon_ring_write(ring, RADEON_SW_INT_FIRE);
240 }
241 
242 void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
243 {
244 	unsigned gb_tile_config;
245 	int r;
246 
247 	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
248 	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
249 	switch(rdev->num_gb_pipes) {
250 	case 2:
251 		gb_tile_config |= R300_PIPE_COUNT_R300;
252 		break;
253 	case 3:
254 		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
255 		break;
256 	case 4:
257 		gb_tile_config |= R300_PIPE_COUNT_R420;
258 		break;
259 	case 1:
260 	default:
261 		gb_tile_config |= R300_PIPE_COUNT_RV350;
262 		break;
263 	}
264 
265 	r = radeon_ring_lock(rdev, ring, 64);
266 	if (r) {
267 		return;
268 	}
269 	radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
270 	radeon_ring_write(ring,
271 			  RADEON_ISYNC_ANY2D_IDLE3D |
272 			  RADEON_ISYNC_ANY3D_IDLE2D |
273 			  RADEON_ISYNC_WAIT_IDLEGUI |
274 			  RADEON_ISYNC_CPSCRATCH_IDLEGUI);
275 	radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
276 	radeon_ring_write(ring, gb_tile_config);
277 	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
278 	radeon_ring_write(ring,
279 			  RADEON_WAIT_2D_IDLECLEAN |
280 			  RADEON_WAIT_3D_IDLECLEAN);
281 	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
282 	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
283 	radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
284 	radeon_ring_write(ring, 0);
285 	radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
286 	radeon_ring_write(ring, 0);
287 	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
288 	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
289 	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
290 	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
291 	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
292 	radeon_ring_write(ring,
293 			  RADEON_WAIT_2D_IDLECLEAN |
294 			  RADEON_WAIT_3D_IDLECLEAN);
295 	radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
296 	radeon_ring_write(ring, 0);
297 	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
298 	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
299 	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
300 	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
301 	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
302 	radeon_ring_write(ring,
303 			  ((6 << R300_MS_X0_SHIFT) |
304 			   (6 << R300_MS_Y0_SHIFT) |
305 			   (6 << R300_MS_X1_SHIFT) |
306 			   (6 << R300_MS_Y1_SHIFT) |
307 			   (6 << R300_MS_X2_SHIFT) |
308 			   (6 << R300_MS_Y2_SHIFT) |
309 			   (6 << R300_MSBD0_Y_SHIFT) |
310 			   (6 << R300_MSBD0_X_SHIFT)));
311 	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
312 	radeon_ring_write(ring,
313 			  ((6 << R300_MS_X3_SHIFT) |
314 			   (6 << R300_MS_Y3_SHIFT) |
315 			   (6 << R300_MS_X4_SHIFT) |
316 			   (6 << R300_MS_Y4_SHIFT) |
317 			   (6 << R300_MS_X5_SHIFT) |
318 			   (6 << R300_MS_Y5_SHIFT) |
319 			   (6 << R300_MSBD1_SHIFT)));
320 	radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
321 	radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
322 	radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
323 	radeon_ring_write(ring,
324 			  R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
325 	radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
326 	radeon_ring_write(ring,
327 			  R300_GEOMETRY_ROUND_NEAREST |
328 			  R300_COLOR_ROUND_NEAREST);
329 	radeon_ring_unlock_commit(rdev, ring, false);
330 }
331 
332 static void r300_errata(struct radeon_device *rdev)
333 {
334 	rdev->pll_errata = 0;
335 
336 	if (rdev->family == CHIP_R300 &&
337 	    (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
338 		rdev->pll_errata |= CHIP_ERRATA_R300_CG;
339 	}
340 }
341 
342 int r300_mc_wait_for_idle(struct radeon_device *rdev)
343 {
344 	unsigned i;
345 	uint32_t tmp;
346 
347 	for (i = 0; i < rdev->usec_timeout; i++) {
348 		/* read MC_STATUS */
349 		tmp = RREG32(RADEON_MC_STATUS);
350 		if (tmp & R300_MC_IDLE) {
351 			return 0;
352 		}
353 		DRM_UDELAY(1);
354 	}
355 	return -1;
356 }
357 
358 static void r300_gpu_init(struct radeon_device *rdev)
359 {
360 	uint32_t gb_tile_config, tmp;
361 
362 	if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
363 	    (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
364 		/* r300,r350 */
365 		rdev->num_gb_pipes = 2;
366 	} else {
367 		/* rv350,rv370,rv380,r300 AD, r350 AH */
368 		rdev->num_gb_pipes = 1;
369 	}
370 	rdev->num_z_pipes = 1;
371 	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
372 	switch (rdev->num_gb_pipes) {
373 	case 2:
374 		gb_tile_config |= R300_PIPE_COUNT_R300;
375 		break;
376 	case 3:
377 		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
378 		break;
379 	case 4:
380 		gb_tile_config |= R300_PIPE_COUNT_R420;
381 		break;
382 	default:
383 	case 1:
384 		gb_tile_config |= R300_PIPE_COUNT_RV350;
385 		break;
386 	}
387 	WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
388 
389 	if (r100_gui_wait_for_idle(rdev)) {
390 		printk(KERN_WARNING "Failed to wait GUI idle while "
391 		       "programming pipes. Bad things might happen.\n");
392 	}
393 
394 	tmp = RREG32(R300_DST_PIPE_CONFIG);
395 	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
396 
397 	WREG32(R300_RB2D_DSTCACHE_MODE,
398 	       R300_DC_AUTOFLUSH_ENABLE |
399 	       R300_DC_DC_DISABLE_IGNORE_PE);
400 
401 	if (r100_gui_wait_for_idle(rdev)) {
402 		printk(KERN_WARNING "Failed to wait GUI idle while "
403 		       "programming pipes. Bad things might happen.\n");
404 	}
405 	if (r300_mc_wait_for_idle(rdev)) {
406 		printk(KERN_WARNING "Failed to wait MC idle while "
407 		       "programming pipes. Bad things might happen.\n");
408 	}
409 	DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized.\n",
410 		 rdev->num_gb_pipes, rdev->num_z_pipes);
411 }
412 
413 int r300_asic_reset(struct radeon_device *rdev, bool hard)
414 {
415 	struct r100_mc_save save;
416 	u32 status, tmp;
417 	int ret = 0;
418 
419 	status = RREG32(R_000E40_RBBM_STATUS);
420 	if (!G_000E40_GUI_ACTIVE(status)) {
421 		return 0;
422 	}
423 	r100_mc_stop(rdev, &save);
424 	status = RREG32(R_000E40_RBBM_STATUS);
425 	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
426 	/* stop CP */
427 	WREG32(RADEON_CP_CSQ_CNTL, 0);
428 	tmp = RREG32(RADEON_CP_RB_CNTL);
429 	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
430 	WREG32(RADEON_CP_RB_RPTR_WR, 0);
431 	WREG32(RADEON_CP_RB_WPTR, 0);
432 	WREG32(RADEON_CP_RB_CNTL, tmp);
433 	/* save PCI state */
434 	pci_save_state(rdev->pdev);
435 	/* disable bus mastering */
436 	r100_bm_disable(rdev);
437 	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
438 					S_0000F0_SOFT_RESET_GA(1));
439 	RREG32(R_0000F0_RBBM_SOFT_RESET);
440 	mdelay(500);
441 	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
442 	mdelay(1);
443 	status = RREG32(R_000E40_RBBM_STATUS);
444 	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
445 	/* resetting the CP seems to be problematic sometimes it end up
446 	 * hard locking the computer, but it's necessary for successful
447 	 * reset more test & playing is needed on R3XX/R4XX to find a
448 	 * reliable (if any solution)
449 	 */
450 	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
451 	RREG32(R_0000F0_RBBM_SOFT_RESET);
452 	mdelay(500);
453 	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
454 	mdelay(1);
455 	status = RREG32(R_000E40_RBBM_STATUS);
456 	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
457 	/* restore PCI & busmastering */
458 	pci_restore_state(rdev->pdev);
459 	r100_enable_bm(rdev);
460 	/* Check if GPU is idle */
461 	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
462 		dev_err(rdev->dev, "failed to reset GPU\n");
463 		ret = -1;
464 	} else
465 		dev_info(rdev->dev, "GPU reset succeed\n");
466 	r100_mc_resume(rdev, &save);
467 	return ret;
468 }
469 
470 /*
471  * r300,r350,rv350,rv380 VRAM info
472  */
473 void r300_mc_init(struct radeon_device *rdev)
474 {
475 	u64 base;
476 	u32 tmp;
477 
478 	/* DDR for all card after R300 & IGP */
479 	rdev->mc.vram_is_ddr = true;
480 	tmp = RREG32(RADEON_MEM_CNTL);
481 	tmp &= R300_MEM_NUM_CHANNELS_MASK;
482 	switch (tmp) {
483 	case 0: rdev->mc.vram_width = 64; break;
484 	case 1: rdev->mc.vram_width = 128; break;
485 	case 2: rdev->mc.vram_width = 256; break;
486 	default:  rdev->mc.vram_width = 128; break;
487 	}
488 	r100_vram_init_sizes(rdev);
489 	base = rdev->mc.aper_base;
490 	if (rdev->flags & RADEON_IS_IGP)
491 		base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
492 	radeon_vram_location(rdev, &rdev->mc, base);
493 	rdev->mc.gtt_base_align = 0;
494 	if (!(rdev->flags & RADEON_IS_AGP))
495 		radeon_gtt_location(rdev, &rdev->mc);
496 	radeon_update_bandwidth_info(rdev);
497 }
498 
499 void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
500 {
501 	uint32_t link_width_cntl, mask;
502 
503 	if (rdev->flags & RADEON_IS_IGP)
504 		return;
505 
506 	if (!(rdev->flags & RADEON_IS_PCIE))
507 		return;
508 
509 	/* FIXME wait for idle */
510 
511 	switch (lanes) {
512 	case 0:
513 		mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
514 		break;
515 	case 1:
516 		mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
517 		break;
518 	case 2:
519 		mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
520 		break;
521 	case 4:
522 		mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
523 		break;
524 	case 8:
525 		mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
526 		break;
527 	case 12:
528 		mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
529 		break;
530 	case 16:
531 	default:
532 		mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
533 		break;
534 	}
535 
536 	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
537 
538 	if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
539 	    (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
540 		return;
541 
542 	link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
543 			     RADEON_PCIE_LC_RECONFIG_NOW |
544 			     RADEON_PCIE_LC_RECONFIG_LATER |
545 			     RADEON_PCIE_LC_SHORT_RECONFIG_EN);
546 	link_width_cntl |= mask;
547 	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
548 	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
549 						     RADEON_PCIE_LC_RECONFIG_NOW));
550 
551 	/* wait for lane set to complete */
552 	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
553 	while (link_width_cntl == 0xffffffff)
554 		link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
555 
556 }
557 
558 int rv370_get_pcie_lanes(struct radeon_device *rdev)
559 {
560 	u32 link_width_cntl;
561 
562 	if (rdev->flags & RADEON_IS_IGP)
563 		return 0;
564 
565 	if (!(rdev->flags & RADEON_IS_PCIE))
566 		return 0;
567 
568 	/* FIXME wait for idle */
569 
570 	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
571 
572 	switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
573 	case RADEON_PCIE_LC_LINK_WIDTH_X0:
574 		return 0;
575 	case RADEON_PCIE_LC_LINK_WIDTH_X1:
576 		return 1;
577 	case RADEON_PCIE_LC_LINK_WIDTH_X2:
578 		return 2;
579 	case RADEON_PCIE_LC_LINK_WIDTH_X4:
580 		return 4;
581 	case RADEON_PCIE_LC_LINK_WIDTH_X8:
582 		return 8;
583 	case RADEON_PCIE_LC_LINK_WIDTH_X16:
584 	default:
585 		return 16;
586 	}
587 }
588 
589 #if defined(CONFIG_DEBUG_FS)
590 static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
591 {
592 	struct drm_info_node *node = (struct drm_info_node *) m->private;
593 	struct drm_device *dev = node->minor->dev;
594 	struct radeon_device *rdev = dev->dev_private;
595 	uint32_t tmp;
596 
597 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
598 	seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
599 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
600 	seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
601 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
602 	seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
603 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
604 	seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
605 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
606 	seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
607 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
608 	seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
609 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
610 	seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
611 	return 0;
612 }
613 
614 static struct drm_info_list rv370_pcie_gart_info_list[] = {
615 	{"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
616 };
617 #endif
618 
619 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
620 {
621 #if defined(CONFIG_DEBUG_FS)
622 	return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
623 #else
624 	return 0;
625 #endif
626 }
627 
628 static int r300_packet0_check(struct radeon_cs_parser *p,
629 		struct radeon_cs_packet *pkt,
630 		unsigned idx, unsigned reg)
631 {
632 	struct radeon_bo_list *reloc;
633 	struct r100_cs_track *track;
634 	volatile uint32_t *ib;
635 	uint32_t tmp, tile_flags = 0;
636 	unsigned i;
637 	int r;
638 	u32 idx_value;
639 
640 	ib = p->ib.ptr;
641 	track = (struct r100_cs_track *)p->track;
642 	idx_value = radeon_get_ib_value(p, idx);
643 
644 	switch(reg) {
645 	case AVIVO_D1MODE_VLINE_START_END:
646 	case RADEON_CRTC_GUI_TRIG_VLINE:
647 		r = r100_cs_packet_parse_vline(p);
648 		if (r) {
649 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
650 					idx, reg);
651 			radeon_cs_dump_packet(p, pkt);
652 			return r;
653 		}
654 		break;
655 	case RADEON_DST_PITCH_OFFSET:
656 	case RADEON_SRC_PITCH_OFFSET:
657 		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
658 		if (r)
659 			return r;
660 		break;
661 	case R300_RB3D_COLOROFFSET0:
662 	case R300_RB3D_COLOROFFSET1:
663 	case R300_RB3D_COLOROFFSET2:
664 	case R300_RB3D_COLOROFFSET3:
665 		i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
666 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
667 		if (r) {
668 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
669 					idx, reg);
670 			radeon_cs_dump_packet(p, pkt);
671 			return r;
672 		}
673 		track->cb[i].robj = reloc->robj;
674 		track->cb[i].offset = idx_value;
675 		track->cb_dirty = true;
676 		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
677 		break;
678 	case R300_ZB_DEPTHOFFSET:
679 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
680 		if (r) {
681 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
682 					idx, reg);
683 			radeon_cs_dump_packet(p, pkt);
684 			return r;
685 		}
686 		track->zb.robj = reloc->robj;
687 		track->zb.offset = idx_value;
688 		track->zb_dirty = true;
689 		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
690 		break;
691 	case R300_TX_OFFSET_0:
692 	case R300_TX_OFFSET_0+4:
693 	case R300_TX_OFFSET_0+8:
694 	case R300_TX_OFFSET_0+12:
695 	case R300_TX_OFFSET_0+16:
696 	case R300_TX_OFFSET_0+20:
697 	case R300_TX_OFFSET_0+24:
698 	case R300_TX_OFFSET_0+28:
699 	case R300_TX_OFFSET_0+32:
700 	case R300_TX_OFFSET_0+36:
701 	case R300_TX_OFFSET_0+40:
702 	case R300_TX_OFFSET_0+44:
703 	case R300_TX_OFFSET_0+48:
704 	case R300_TX_OFFSET_0+52:
705 	case R300_TX_OFFSET_0+56:
706 	case R300_TX_OFFSET_0+60:
707 		i = (reg - R300_TX_OFFSET_0) >> 2;
708 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
709 		if (r) {
710 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
711 					idx, reg);
712 			radeon_cs_dump_packet(p, pkt);
713 			return r;
714 		}
715 
716 		if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
717 			ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
718 				  ((idx_value & ~31) + (u32)reloc->gpu_offset);
719 		} else {
720 			if (reloc->tiling_flags & RADEON_TILING_MACRO)
721 				tile_flags |= R300_TXO_MACRO_TILE;
722 			if (reloc->tiling_flags & RADEON_TILING_MICRO)
723 				tile_flags |= R300_TXO_MICRO_TILE;
724 			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
725 				tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
726 
727 			tmp = idx_value + ((u32)reloc->gpu_offset);
728 			tmp |= tile_flags;
729 			ib[idx] = tmp;
730 		}
731 		track->textures[i].robj = reloc->robj;
732 		track->tex_dirty = true;
733 		break;
734 	/* Tracked registers */
735 	case 0x2084:
736 		/* VAP_VF_CNTL */
737 		track->vap_vf_cntl = idx_value;
738 		break;
739 	case 0x20B4:
740 		/* VAP_VTX_SIZE */
741 		track->vtx_size = idx_value & 0x7F;
742 		break;
743 	case 0x2134:
744 		/* VAP_VF_MAX_VTX_INDX */
745 		track->max_indx = idx_value & 0x00FFFFFFUL;
746 		break;
747 	case 0x2088:
748 		/* VAP_ALT_NUM_VERTICES - only valid on r500 */
749 		if (p->rdev->family < CHIP_RV515)
750 			goto fail;
751 		track->vap_alt_nverts = idx_value & 0xFFFFFF;
752 		break;
753 	case 0x43E4:
754 		/* SC_SCISSOR1 */
755 		track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
756 		if (p->rdev->family < CHIP_RV515) {
757 			track->maxy -= 1440;
758 		}
759 		track->cb_dirty = true;
760 		track->zb_dirty = true;
761 		break;
762 	case 0x4E00:
763 		/* RB3D_CCTL */
764 		if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
765 		    p->rdev->cmask_filp != p->filp) {
766 			DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
767 			return -EINVAL;
768 		}
769 		track->num_cb = ((idx_value >> 5) & 0x3) + 1;
770 		track->cb_dirty = true;
771 		break;
772 	case 0x4E38:
773 	case 0x4E3C:
774 	case 0x4E40:
775 	case 0x4E44:
776 		/* RB3D_COLORPITCH0 */
777 		/* RB3D_COLORPITCH1 */
778 		/* RB3D_COLORPITCH2 */
779 		/* RB3D_COLORPITCH3 */
780 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
781 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
782 			if (r) {
783 				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
784 					  idx, reg);
785 				radeon_cs_dump_packet(p, pkt);
786 				return r;
787 			}
788 
789 			if (reloc->tiling_flags & RADEON_TILING_MACRO)
790 				tile_flags |= R300_COLOR_TILE_ENABLE;
791 			if (reloc->tiling_flags & RADEON_TILING_MICRO)
792 				tile_flags |= R300_COLOR_MICROTILE_ENABLE;
793 			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
794 				tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
795 
796 			tmp = idx_value & ~(0x7 << 16);
797 			tmp |= tile_flags;
798 			ib[idx] = tmp;
799 		}
800 		i = (reg - 0x4E38) >> 2;
801 		track->cb[i].pitch = idx_value & 0x3FFE;
802 		switch (((idx_value >> 21) & 0xF)) {
803 		case 9:
804 		case 11:
805 		case 12:
806 			track->cb[i].cpp = 1;
807 			break;
808 		case 3:
809 		case 4:
810 		case 13:
811 		case 15:
812 			track->cb[i].cpp = 2;
813 			break;
814 		case 5:
815 			if (p->rdev->family < CHIP_RV515) {
816 				DRM_ERROR("Invalid color buffer format (%d)!\n",
817 					  ((idx_value >> 21) & 0xF));
818 				return -EINVAL;
819 			}
820 			/* Pass through. */
821 		case 6:
822 			track->cb[i].cpp = 4;
823 			break;
824 		case 10:
825 			track->cb[i].cpp = 8;
826 			break;
827 		case 7:
828 			track->cb[i].cpp = 16;
829 			break;
830 		default:
831 			DRM_ERROR("Invalid color buffer format (%d) !\n",
832 				  ((idx_value >> 21) & 0xF));
833 			return -EINVAL;
834 		}
835 		track->cb_dirty = true;
836 		break;
837 	case 0x4F00:
838 		/* ZB_CNTL */
839 		if (idx_value & 2) {
840 			track->z_enabled = true;
841 		} else {
842 			track->z_enabled = false;
843 		}
844 		track->zb_dirty = true;
845 		break;
846 	case 0x4F10:
847 		/* ZB_FORMAT */
848 		switch ((idx_value & 0xF)) {
849 		case 0:
850 		case 1:
851 			track->zb.cpp = 2;
852 			break;
853 		case 2:
854 			track->zb.cpp = 4;
855 			break;
856 		default:
857 			DRM_ERROR("Invalid z buffer format (%d) !\n",
858 				  (idx_value & 0xF));
859 			return -EINVAL;
860 		}
861 		track->zb_dirty = true;
862 		break;
863 	case 0x4F24:
864 		/* ZB_DEPTHPITCH */
865 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
866 			r = radeon_cs_packet_next_reloc(p, &reloc, 0);
867 			if (r) {
868 				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
869 					  idx, reg);
870 				radeon_cs_dump_packet(p, pkt);
871 				return r;
872 			}
873 
874 			if (reloc->tiling_flags & RADEON_TILING_MACRO)
875 				tile_flags |= R300_DEPTHMACROTILE_ENABLE;
876 			if (reloc->tiling_flags & RADEON_TILING_MICRO)
877 				tile_flags |= R300_DEPTHMICROTILE_TILED;
878 			else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
879 				tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
880 
881 			tmp = idx_value & ~(0x7 << 16);
882 			tmp |= tile_flags;
883 			ib[idx] = tmp;
884 		}
885 		track->zb.pitch = idx_value & 0x3FFC;
886 		track->zb_dirty = true;
887 		break;
888 	case 0x4104:
889 		/* TX_ENABLE */
890 		for (i = 0; i < 16; i++) {
891 			bool enabled;
892 
893 			enabled = !!(idx_value & (1 << i));
894 			track->textures[i].enabled = enabled;
895 		}
896 		track->tex_dirty = true;
897 		break;
898 	case 0x44C0:
899 	case 0x44C4:
900 	case 0x44C8:
901 	case 0x44CC:
902 	case 0x44D0:
903 	case 0x44D4:
904 	case 0x44D8:
905 	case 0x44DC:
906 	case 0x44E0:
907 	case 0x44E4:
908 	case 0x44E8:
909 	case 0x44EC:
910 	case 0x44F0:
911 	case 0x44F4:
912 	case 0x44F8:
913 	case 0x44FC:
914 		/* TX_FORMAT1_[0-15] */
915 		i = (reg - 0x44C0) >> 2;
916 		tmp = (idx_value >> 25) & 0x3;
917 		track->textures[i].tex_coord_type = tmp;
918 		switch ((idx_value & 0x1F)) {
919 		case R300_TX_FORMAT_X8:
920 		case R300_TX_FORMAT_Y4X4:
921 		case R300_TX_FORMAT_Z3Y3X2:
922 			track->textures[i].cpp = 1;
923 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
924 			break;
925 		case R300_TX_FORMAT_X16:
926 		case R300_TX_FORMAT_FL_I16:
927 		case R300_TX_FORMAT_Y8X8:
928 		case R300_TX_FORMAT_Z5Y6X5:
929 		case R300_TX_FORMAT_Z6Y5X5:
930 		case R300_TX_FORMAT_W4Z4Y4X4:
931 		case R300_TX_FORMAT_W1Z5Y5X5:
932 		case R300_TX_FORMAT_D3DMFT_CxV8U8:
933 		case R300_TX_FORMAT_B8G8_B8G8:
934 		case R300_TX_FORMAT_G8R8_G8B8:
935 			track->textures[i].cpp = 2;
936 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
937 			break;
938 		case R300_TX_FORMAT_Y16X16:
939 		case R300_TX_FORMAT_FL_I16A16:
940 		case R300_TX_FORMAT_Z11Y11X10:
941 		case R300_TX_FORMAT_Z10Y11X11:
942 		case R300_TX_FORMAT_W8Z8Y8X8:
943 		case R300_TX_FORMAT_W2Z10Y10X10:
944 		case 0x17:
945 		case R300_TX_FORMAT_FL_I32:
946 		case 0x1e:
947 			track->textures[i].cpp = 4;
948 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
949 			break;
950 		case R300_TX_FORMAT_W16Z16Y16X16:
951 		case R300_TX_FORMAT_FL_R16G16B16A16:
952 		case R300_TX_FORMAT_FL_I32A32:
953 			track->textures[i].cpp = 8;
954 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
955 			break;
956 		case R300_TX_FORMAT_FL_R32G32B32A32:
957 			track->textures[i].cpp = 16;
958 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
959 			break;
960 		case R300_TX_FORMAT_DXT1:
961 			track->textures[i].cpp = 1;
962 			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
963 			break;
964 		case R300_TX_FORMAT_ATI2N:
965 			if (p->rdev->family < CHIP_R420) {
966 				DRM_ERROR("Invalid texture format %u\n",
967 					  (idx_value & 0x1F));
968 				return -EINVAL;
969 			}
970 			/* The same rules apply as for DXT3/5. */
971 			/* Pass through. */
972 		case R300_TX_FORMAT_DXT3:
973 		case R300_TX_FORMAT_DXT5:
974 			track->textures[i].cpp = 1;
975 			track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
976 			break;
977 		default:
978 			DRM_ERROR("Invalid texture format %u\n",
979 				  (idx_value & 0x1F));
980 			return -EINVAL;
981 		}
982 		track->tex_dirty = true;
983 		break;
984 	case 0x4400:
985 	case 0x4404:
986 	case 0x4408:
987 	case 0x440C:
988 	case 0x4410:
989 	case 0x4414:
990 	case 0x4418:
991 	case 0x441C:
992 	case 0x4420:
993 	case 0x4424:
994 	case 0x4428:
995 	case 0x442C:
996 	case 0x4430:
997 	case 0x4434:
998 	case 0x4438:
999 	case 0x443C:
1000 		/* TX_FILTER0_[0-15] */
1001 		i = (reg - 0x4400) >> 2;
1002 		tmp = idx_value & 0x7;
1003 		if (tmp == 2 || tmp == 4 || tmp == 6) {
1004 			track->textures[i].roundup_w = false;
1005 		}
1006 		tmp = (idx_value >> 3) & 0x7;
1007 		if (tmp == 2 || tmp == 4 || tmp == 6) {
1008 			track->textures[i].roundup_h = false;
1009 		}
1010 		track->tex_dirty = true;
1011 		break;
1012 	case 0x4500:
1013 	case 0x4504:
1014 	case 0x4508:
1015 	case 0x450C:
1016 	case 0x4510:
1017 	case 0x4514:
1018 	case 0x4518:
1019 	case 0x451C:
1020 	case 0x4520:
1021 	case 0x4524:
1022 	case 0x4528:
1023 	case 0x452C:
1024 	case 0x4530:
1025 	case 0x4534:
1026 	case 0x4538:
1027 	case 0x453C:
1028 		/* TX_FORMAT2_[0-15] */
1029 		i = (reg - 0x4500) >> 2;
1030 		tmp = idx_value & 0x3FFF;
1031 		track->textures[i].pitch = tmp + 1;
1032 		if (p->rdev->family >= CHIP_RV515) {
1033 			tmp = ((idx_value >> 15) & 1) << 11;
1034 			track->textures[i].width_11 = tmp;
1035 			tmp = ((idx_value >> 16) & 1) << 11;
1036 			track->textures[i].height_11 = tmp;
1037 
1038 			/* ATI1N */
1039 			if (idx_value & (1 << 14)) {
1040 				/* The same rules apply as for DXT1. */
1041 				track->textures[i].compress_format =
1042 					R100_TRACK_COMP_DXT1;
1043 			}
1044 		} else if (idx_value & (1 << 14)) {
1045 			DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1046 			return -EINVAL;
1047 		}
1048 		track->tex_dirty = true;
1049 		break;
1050 	case 0x4480:
1051 	case 0x4484:
1052 	case 0x4488:
1053 	case 0x448C:
1054 	case 0x4490:
1055 	case 0x4494:
1056 	case 0x4498:
1057 	case 0x449C:
1058 	case 0x44A0:
1059 	case 0x44A4:
1060 	case 0x44A8:
1061 	case 0x44AC:
1062 	case 0x44B0:
1063 	case 0x44B4:
1064 	case 0x44B8:
1065 	case 0x44BC:
1066 		/* TX_FORMAT0_[0-15] */
1067 		i = (reg - 0x4480) >> 2;
1068 		tmp = idx_value & 0x7FF;
1069 		track->textures[i].width = tmp + 1;
1070 		tmp = (idx_value >> 11) & 0x7FF;
1071 		track->textures[i].height = tmp + 1;
1072 		tmp = (idx_value >> 26) & 0xF;
1073 		track->textures[i].num_levels = tmp;
1074 		tmp = idx_value & (1 << 31);
1075 		track->textures[i].use_pitch = !!tmp;
1076 		tmp = (idx_value >> 22) & 0xF;
1077 		track->textures[i].txdepth = tmp;
1078 		track->tex_dirty = true;
1079 		break;
1080 	case R300_ZB_ZPASS_ADDR:
1081 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1082 		if (r) {
1083 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1084 					idx, reg);
1085 			radeon_cs_dump_packet(p, pkt);
1086 			return r;
1087 		}
1088 		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1089 		break;
1090 	case 0x4e0c:
1091 		/* RB3D_COLOR_CHANNEL_MASK */
1092 		track->color_channel_mask = idx_value;
1093 		track->cb_dirty = true;
1094 		break;
1095 	case 0x43a4:
1096 		/* SC_HYPERZ_EN */
1097 		/* r300c emits this register - we need to disable hyperz for it
1098 		 * without complaining */
1099 		if (p->rdev->hyperz_filp != p->filp) {
1100 			if (idx_value & 0x1)
1101 				ib[idx] = idx_value & ~1;
1102 		}
1103 		break;
1104 	case 0x4f1c:
1105 		/* ZB_BW_CNTL */
1106 		track->zb_cb_clear = !!(idx_value & (1 << 5));
1107 		track->cb_dirty = true;
1108 		track->zb_dirty = true;
1109 		if (p->rdev->hyperz_filp != p->filp) {
1110 			if (idx_value & (R300_HIZ_ENABLE |
1111 					 R300_RD_COMP_ENABLE |
1112 					 R300_WR_COMP_ENABLE |
1113 					 R300_FAST_FILL_ENABLE))
1114 				goto fail;
1115 		}
1116 		break;
1117 	case 0x4e04:
1118 		/* RB3D_BLENDCNTL */
1119 		track->blend_read_enable = !!(idx_value & (1 << 2));
1120 		track->cb_dirty = true;
1121 		break;
1122 	case R300_RB3D_AARESOLVE_OFFSET:
1123 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1124 		if (r) {
1125 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1126 				  idx, reg);
1127 			radeon_cs_dump_packet(p, pkt);
1128 			return r;
1129 		}
1130 		track->aa.robj = reloc->robj;
1131 		track->aa.offset = idx_value;
1132 		track->aa_dirty = true;
1133 		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1134 		break;
1135 	case R300_RB3D_AARESOLVE_PITCH:
1136 		track->aa.pitch = idx_value & 0x3FFE;
1137 		track->aa_dirty = true;
1138 		break;
1139 	case R300_RB3D_AARESOLVE_CTL:
1140 		track->aaresolve = idx_value & 0x1;
1141 		track->aa_dirty = true;
1142 		break;
1143 	case 0x4f30: /* ZB_MASK_OFFSET */
1144 	case 0x4f34: /* ZB_ZMASK_PITCH */
1145 	case 0x4f44: /* ZB_HIZ_OFFSET */
1146 	case 0x4f54: /* ZB_HIZ_PITCH */
1147 		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1148 			goto fail;
1149 		break;
1150 	case 0x4028:
1151 		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1152 			goto fail;
1153 		/* GB_Z_PEQ_CONFIG */
1154 		if (p->rdev->family >= CHIP_RV350)
1155 			break;
1156 		goto fail;
1157 		break;
1158 	case 0x4be8:
1159 		/* valid register only on RV530 */
1160 		if (p->rdev->family == CHIP_RV530)
1161 			break;
1162 		/* fallthrough do not move */
1163 	default:
1164 		goto fail;
1165 	}
1166 	return 0;
1167 fail:
1168 	printk(KERN_ERR "Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1169 	       reg, idx, idx_value);
1170 	return -EINVAL;
1171 }
1172 
1173 static int r300_packet3_check(struct radeon_cs_parser *p,
1174 			      struct radeon_cs_packet *pkt)
1175 {
1176 	struct radeon_bo_list *reloc;
1177 	struct r100_cs_track *track;
1178 	volatile uint32_t *ib;
1179 	unsigned idx;
1180 	int r;
1181 
1182 	ib = p->ib.ptr;
1183 	idx = pkt->idx + 1;
1184 	track = (struct r100_cs_track *)p->track;
1185 	switch(pkt->opcode) {
1186 	case PACKET3_3D_LOAD_VBPNTR:
1187 		r = r100_packet3_load_vbpntr(p, pkt, idx);
1188 		if (r)
1189 			return r;
1190 		break;
1191 	case PACKET3_INDX_BUFFER:
1192 		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1193 		if (r) {
1194 			DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1195 			radeon_cs_dump_packet(p, pkt);
1196 			return r;
1197 		}
1198 		ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1199 		r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1200 		if (r) {
1201 			return r;
1202 		}
1203 		break;
1204 	/* Draw packet */
1205 	case PACKET3_3D_DRAW_IMMD:
1206 		/* Number of dwords is vtx_size * (num_vertices - 1)
1207 		 * PRIM_WALK must be equal to 3 vertex data in embedded
1208 		 * in cmd stream */
1209 		if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1210 			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1211 			return -EINVAL;
1212 		}
1213 		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1214 		track->immd_dwords = pkt->count - 1;
1215 		r = r100_cs_track_check(p->rdev, track);
1216 		if (r) {
1217 			return r;
1218 		}
1219 		break;
1220 	case PACKET3_3D_DRAW_IMMD_2:
1221 		/* Number of dwords is vtx_size * (num_vertices - 1)
1222 		 * PRIM_WALK must be equal to 3 vertex data in embedded
1223 		 * in cmd stream */
1224 		if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1225 			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1226 			return -EINVAL;
1227 		}
1228 		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1229 		track->immd_dwords = pkt->count;
1230 		r = r100_cs_track_check(p->rdev, track);
1231 		if (r) {
1232 			return r;
1233 		}
1234 		break;
1235 	case PACKET3_3D_DRAW_VBUF:
1236 		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1237 		r = r100_cs_track_check(p->rdev, track);
1238 		if (r) {
1239 			return r;
1240 		}
1241 		break;
1242 	case PACKET3_3D_DRAW_VBUF_2:
1243 		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1244 		r = r100_cs_track_check(p->rdev, track);
1245 		if (r) {
1246 			return r;
1247 		}
1248 		break;
1249 	case PACKET3_3D_DRAW_INDX:
1250 		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1251 		r = r100_cs_track_check(p->rdev, track);
1252 		if (r) {
1253 			return r;
1254 		}
1255 		break;
1256 	case PACKET3_3D_DRAW_INDX_2:
1257 		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1258 		r = r100_cs_track_check(p->rdev, track);
1259 		if (r) {
1260 			return r;
1261 		}
1262 		break;
1263 	case PACKET3_3D_CLEAR_HIZ:
1264 	case PACKET3_3D_CLEAR_ZMASK:
1265 		if (p->rdev->hyperz_filp != p->filp)
1266 			return -EINVAL;
1267 		break;
1268 	case PACKET3_3D_CLEAR_CMASK:
1269 		if (p->rdev->cmask_filp != p->filp)
1270 			return -EINVAL;
1271 		break;
1272 	case PACKET3_NOP:
1273 		break;
1274 	default:
1275 		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1276 		return -EINVAL;
1277 	}
1278 	return 0;
1279 }
1280 
1281 int r300_cs_parse(struct radeon_cs_parser *p)
1282 {
1283 	struct radeon_cs_packet pkt;
1284 	struct r100_cs_track *track;
1285 	int r;
1286 
1287 	track = kzalloc(sizeof(*track), GFP_KERNEL);
1288 	if (track == NULL)
1289 		return -ENOMEM;
1290 	r100_cs_track_clear(p->rdev, track);
1291 	p->track = track;
1292 	do {
1293 		r = radeon_cs_packet_parse(p, &pkt, p->idx);
1294 		if (r) {
1295 			return r;
1296 		}
1297 		p->idx += pkt.count + 2;
1298 		switch (pkt.type) {
1299 		case RADEON_PACKET_TYPE0:
1300 			r = r100_cs_parse_packet0(p, &pkt,
1301 						  p->rdev->config.r300.reg_safe_bm,
1302 						  p->rdev->config.r300.reg_safe_bm_size,
1303 						  &r300_packet0_check);
1304 			break;
1305 		case RADEON_PACKET_TYPE2:
1306 			break;
1307 		case RADEON_PACKET_TYPE3:
1308 			r = r300_packet3_check(p, &pkt);
1309 			break;
1310 		default:
1311 			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1312 			return -EINVAL;
1313 		}
1314 		if (r) {
1315 			return r;
1316 		}
1317 	} while (p->idx < p->chunk_ib->length_dw);
1318 	return 0;
1319 }
1320 
1321 void r300_set_reg_safe(struct radeon_device *rdev)
1322 {
1323 	rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1324 	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1325 }
1326 
1327 void r300_mc_program(struct radeon_device *rdev)
1328 {
1329 	struct r100_mc_save save;
1330 	int r;
1331 
1332 	r = r100_debugfs_mc_info_init(rdev);
1333 	if (r) {
1334 		dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1335 	}
1336 
1337 	/* Stops all mc clients */
1338 	r100_mc_stop(rdev, &save);
1339 	if (rdev->flags & RADEON_IS_AGP) {
1340 		WREG32(R_00014C_MC_AGP_LOCATION,
1341 			S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1342 			S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1343 		WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1344 		WREG32(R_00015C_AGP_BASE_2,
1345 			upper_32_bits(rdev->mc.agp_base) & 0xff);
1346 	} else {
1347 		WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1348 		WREG32(R_000170_AGP_BASE, 0);
1349 		WREG32(R_00015C_AGP_BASE_2, 0);
1350 	}
1351 	/* Wait for mc idle */
1352 	if (r300_mc_wait_for_idle(rdev))
1353 		DRM_INFO("Failed to wait MC idle before programming MC.\n");
1354 	/* Program MC, should be a 32bits limited address space */
1355 	WREG32(R_000148_MC_FB_LOCATION,
1356 		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1357 		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1358 	r100_mc_resume(rdev, &save);
1359 }
1360 
1361 void r300_clock_startup(struct radeon_device *rdev)
1362 {
1363 	u32 tmp;
1364 
1365 	if (radeon_dynclks != -1 && radeon_dynclks)
1366 		radeon_legacy_set_clock_gating(rdev, 1);
1367 	/* We need to force on some of the block */
1368 	tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1369 	tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1370 	if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1371 		tmp |= S_00000D_FORCE_VAP(1);
1372 	WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1373 }
1374 
1375 static int r300_startup(struct radeon_device *rdev)
1376 {
1377 	int r;
1378 
1379 	/* set common regs */
1380 	r100_set_common_regs(rdev);
1381 	/* program mc */
1382 	r300_mc_program(rdev);
1383 	/* Resume clock */
1384 	r300_clock_startup(rdev);
1385 	/* Initialize GPU configuration (# pipes, ...) */
1386 	r300_gpu_init(rdev);
1387 	/* Initialize GART (initialize after TTM so we can allocate
1388 	 * memory through TTM but finalize after TTM) */
1389 	if (rdev->flags & RADEON_IS_PCIE) {
1390 		r = rv370_pcie_gart_enable(rdev);
1391 		if (r)
1392 			return r;
1393 	}
1394 
1395 	if (rdev->family == CHIP_R300 ||
1396 	    rdev->family == CHIP_R350 ||
1397 	    rdev->family == CHIP_RV350)
1398 		r100_enable_bm(rdev);
1399 
1400 	if (rdev->flags & RADEON_IS_PCI) {
1401 		r = r100_pci_gart_enable(rdev);
1402 		if (r)
1403 			return r;
1404 	}
1405 
1406 	/* allocate wb buffer */
1407 	r = radeon_wb_init(rdev);
1408 	if (r)
1409 		return r;
1410 
1411 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1412 	if (r) {
1413 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1414 		return r;
1415 	}
1416 
1417 	/* Enable IRQ */
1418 	if (!rdev->irq.installed) {
1419 		r = radeon_irq_kms_init(rdev);
1420 		if (r)
1421 			return r;
1422 	}
1423 
1424 	r100_irq_set(rdev);
1425 	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1426 	/* 1M ring buffer */
1427 	r = r100_cp_init(rdev, 1024 * 1024);
1428 	if (r) {
1429 		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1430 		return r;
1431 	}
1432 
1433 	r = radeon_ib_pool_init(rdev);
1434 	if (r) {
1435 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1436 		return r;
1437 	}
1438 
1439 	return 0;
1440 }
1441 
1442 int r300_resume(struct radeon_device *rdev)
1443 {
1444 	int r;
1445 
1446 	/* Make sur GART are not working */
1447 	if (rdev->flags & RADEON_IS_PCIE)
1448 		rv370_pcie_gart_disable(rdev);
1449 	if (rdev->flags & RADEON_IS_PCI)
1450 		r100_pci_gart_disable(rdev);
1451 	/* Resume clock before doing reset */
1452 	r300_clock_startup(rdev);
1453 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1454 	if (radeon_asic_reset(rdev)) {
1455 		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1456 			RREG32(R_000E40_RBBM_STATUS),
1457 			RREG32(R_0007C0_CP_STAT));
1458 	}
1459 	/* post */
1460 	radeon_combios_asic_init(rdev->ddev);
1461 	/* Resume clock after posting */
1462 	r300_clock_startup(rdev);
1463 	/* Initialize surface registers */
1464 	radeon_surface_init(rdev);
1465 
1466 	rdev->accel_working = true;
1467 	r = r300_startup(rdev);
1468 	if (r) {
1469 		rdev->accel_working = false;
1470 	}
1471 	return r;
1472 }
1473 
1474 int r300_suspend(struct radeon_device *rdev)
1475 {
1476 	radeon_pm_suspend(rdev);
1477 	r100_cp_disable(rdev);
1478 	radeon_wb_disable(rdev);
1479 	r100_irq_disable(rdev);
1480 	if (rdev->flags & RADEON_IS_PCIE)
1481 		rv370_pcie_gart_disable(rdev);
1482 	if (rdev->flags & RADEON_IS_PCI)
1483 		r100_pci_gart_disable(rdev);
1484 	return 0;
1485 }
1486 
1487 void r300_fini(struct radeon_device *rdev)
1488 {
1489 	radeon_pm_fini(rdev);
1490 	r100_cp_fini(rdev);
1491 	radeon_wb_fini(rdev);
1492 	radeon_ib_pool_fini(rdev);
1493 	radeon_gem_fini(rdev);
1494 	if (rdev->flags & RADEON_IS_PCIE)
1495 		rv370_pcie_gart_fini(rdev);
1496 	if (rdev->flags & RADEON_IS_PCI)
1497 		r100_pci_gart_fini(rdev);
1498 	radeon_agp_fini(rdev);
1499 	radeon_irq_kms_fini(rdev);
1500 	radeon_fence_driver_fini(rdev);
1501 	radeon_bo_fini(rdev);
1502 	radeon_atombios_fini(rdev);
1503 	kfree(rdev->bios);
1504 	rdev->bios = NULL;
1505 }
1506 
1507 int r300_init(struct radeon_device *rdev)
1508 {
1509 	int r;
1510 
1511 	/* Disable VGA */
1512 	r100_vga_render_disable(rdev);
1513 	/* Initialize scratch registers */
1514 	radeon_scratch_init(rdev);
1515 	/* Initialize surface registers */
1516 	radeon_surface_init(rdev);
1517 	/* TODO: disable VGA need to use VGA request */
1518 	/* restore some register to sane defaults */
1519 	r100_restore_sanity(rdev);
1520 	/* BIOS*/
1521 	if (!radeon_get_bios(rdev)) {
1522 		if (ASIC_IS_AVIVO(rdev))
1523 			return -EINVAL;
1524 	}
1525 	if (rdev->is_atom_bios) {
1526 		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1527 		return -EINVAL;
1528 	} else {
1529 		r = radeon_combios_init(rdev);
1530 		if (r)
1531 			return r;
1532 	}
1533 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1534 	if (radeon_asic_reset(rdev)) {
1535 		dev_warn(rdev->dev,
1536 			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1537 			RREG32(R_000E40_RBBM_STATUS),
1538 			RREG32(R_0007C0_CP_STAT));
1539 	}
1540 	/* check if cards are posted or not */
1541 	if (radeon_boot_test_post_card(rdev) == false)
1542 		return -EINVAL;
1543 	/* Set asic errata */
1544 	r300_errata(rdev);
1545 	/* Initialize clocks */
1546 	radeon_get_clock_info(rdev->ddev);
1547 	/* initialize AGP */
1548 	if (rdev->flags & RADEON_IS_AGP) {
1549 		r = radeon_agp_init(rdev);
1550 		if (r) {
1551 			radeon_agp_disable(rdev);
1552 		}
1553 	}
1554 	/* initialize memory controller */
1555 	r300_mc_init(rdev);
1556 	/* Fence driver */
1557 	r = radeon_fence_driver_init(rdev);
1558 	if (r)
1559 		return r;
1560 	/* Memory manager */
1561 	r = radeon_bo_init(rdev);
1562 	if (r)
1563 		return r;
1564 	if (rdev->flags & RADEON_IS_PCIE) {
1565 		r = rv370_pcie_gart_init(rdev);
1566 		if (r)
1567 			return r;
1568 	}
1569 	if (rdev->flags & RADEON_IS_PCI) {
1570 		r = r100_pci_gart_init(rdev);
1571 		if (r)
1572 			return r;
1573 	}
1574 	r300_set_reg_safe(rdev);
1575 
1576 	/* Initialize power management */
1577 	radeon_pm_init(rdev);
1578 
1579 	rdev->accel_working = true;
1580 	r = r300_startup(rdev);
1581 	if (r) {
1582 		/* Something went wrong with the accel init, so stop accel */
1583 		dev_err(rdev->dev, "Disabling GPU acceleration\n");
1584 		r100_cp_fini(rdev);
1585 		radeon_wb_fini(rdev);
1586 		radeon_ib_pool_fini(rdev);
1587 		radeon_irq_kms_fini(rdev);
1588 		if (rdev->flags & RADEON_IS_PCIE)
1589 			rv370_pcie_gart_fini(rdev);
1590 		if (rdev->flags & RADEON_IS_PCI)
1591 			r100_pci_gart_fini(rdev);
1592 		radeon_agp_fini(rdev);
1593 		rdev->accel_working = false;
1594 	}
1595 	return 0;
1596 }
1597