2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 * Authors: Dave Airlie
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <dev/drm2/drmP.h>
34 #include "radeon_asic.h"
37 /* This files gather functions specifics to : rs400,rs480 */
38 static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
40 void rs400_gart_adjust_size(struct radeon_device *rdev)
43 switch (rdev->mc.gtt_size/(1024*1024)) {
53 DRM_ERROR("Unable to use IGP GART size %uM\n",
54 (unsigned)(rdev->mc.gtt_size >> 20));
55 DRM_ERROR("Valid GART size for IGP are 32M,64M,128M,256M,512M,1G,2G\n");
56 DRM_ERROR("Forcing to 32M GART size\n");
57 rdev->mc.gtt_size = 32 * 1024 * 1024;
62 void rs400_gart_tlb_flush(struct radeon_device *rdev)
65 unsigned int timeout = rdev->usec_timeout;
67 WREG32_MC(RS480_GART_CACHE_CNTRL, RS480_GART_CACHE_INVALIDATE);
69 tmp = RREG32_MC(RS480_GART_CACHE_CNTRL);
70 if ((tmp & RS480_GART_CACHE_INVALIDATE) == 0)
74 } while (timeout > 0);
75 WREG32_MC(RS480_GART_CACHE_CNTRL, 0);
78 int rs400_gart_init(struct radeon_device *rdev)
83 DRM_ERROR("RS400 GART already initialized\n");
87 switch(rdev->mc.gtt_size / (1024 * 1024)) {
99 /* Initialize common gart structure */
100 r = radeon_gart_init(rdev);
103 if (rs400_debugfs_pcie_gart_info_init(rdev))
104 DRM_ERROR("Failed to register debugfs file for RS400 GART !\n");
105 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
106 return radeon_gart_table_ram_alloc(rdev);
109 int rs400_gart_enable(struct radeon_device *rdev)
114 radeon_gart_restore(rdev);
115 tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
116 tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
117 WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
118 /* Check gart size */
119 switch(rdev->mc.gtt_size / (1024 * 1024)) {
121 size_reg = RS480_VA_SIZE_32MB;
124 size_reg = RS480_VA_SIZE_64MB;
127 size_reg = RS480_VA_SIZE_128MB;
130 size_reg = RS480_VA_SIZE_256MB;
133 size_reg = RS480_VA_SIZE_512MB;
136 size_reg = RS480_VA_SIZE_1GB;
139 size_reg = RS480_VA_SIZE_2GB;
144 /* It should be fine to program it to max value */
145 if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) {
146 WREG32_MC(RS690_MCCFG_AGP_BASE, 0xFFFFFFFF);
147 WREG32_MC(RS690_MCCFG_AGP_BASE_2, 0);
149 WREG32(RADEON_AGP_BASE, 0xFFFFFFFF);
150 WREG32(RS480_AGP_BASE_2, 0);
152 tmp = REG_SET(RS690_MC_AGP_TOP, rdev->mc.gtt_end >> 16);
153 tmp |= REG_SET(RS690_MC_AGP_START, rdev->mc.gtt_start >> 16);
154 if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) {
155 WREG32_MC(RS690_MCCFG_AGP_LOCATION, tmp);
156 tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
157 WREG32(RADEON_BUS_CNTL, tmp);
159 WREG32(RADEON_MC_AGP_LOCATION, tmp);
160 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
161 WREG32(RADEON_BUS_CNTL, tmp);
163 /* Table should be in 32bits address space so ignore bits above. */
164 tmp = (u32)rdev->gart.table_addr & 0xfffff000;
165 tmp |= (upper_32_bits(rdev->gart.table_addr) & 0xff) << 4;
167 WREG32_MC(RS480_GART_BASE, tmp);
168 /* TODO: more tweaking here */
169 WREG32_MC(RS480_GART_FEATURE_ID,
171 RS480_GTW_LAC_EN | RS480_1LEVEL_GART));
172 /* Disable snooping */
173 WREG32_MC(RS480_AGP_MODE_CNTL,
174 (1 << RS480_REQ_TYPE_SNOOP_SHIFT) | RS480_REQ_TYPE_SNOOP_DIS);
175 /* Disable AGP mode */
176 /* FIXME: according to doc we should set HIDE_MMCFG_BAR=0,
177 * AGPMODE30=0 & AGP30ENHANCED=0 in NB_CNTL */
178 if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) {
179 WREG32_MC(RS480_MC_MISC_CNTL,
180 (RS480_GART_INDEX_REG_EN | RS690_BLOCK_GFX_D3_EN));
182 WREG32_MC(RS480_MC_MISC_CNTL, RS480_GART_INDEX_REG_EN);
185 WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN | size_reg));
186 rs400_gart_tlb_flush(rdev);
187 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
188 (unsigned)(rdev->mc.gtt_size >> 20),
189 (unsigned long long)rdev->gart.table_addr);
190 rdev->gart.ready = true;
194 void rs400_gart_disable(struct radeon_device *rdev)
198 tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
199 tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
200 WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
201 WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, 0);
204 void rs400_gart_fini(struct radeon_device *rdev)
206 radeon_gart_fini(rdev);
207 rs400_gart_disable(rdev);
208 radeon_gart_table_ram_free(rdev);
211 #define RS400_PTE_WRITEABLE (1 << 2)
212 #define RS400_PTE_READABLE (1 << 3)
214 int rs400_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
217 u32 *gtt = rdev->gart.ptr;
219 if (i < 0 || i > rdev->gart.num_gpu_pages) {
223 entry = (lower_32_bits(addr) & ~PAGE_MASK) |
224 ((upper_32_bits(addr) & 0xff) << 4) |
225 RS400_PTE_WRITEABLE | RS400_PTE_READABLE;
226 entry = cpu_to_le32(entry);
231 int rs400_mc_wait_for_idle(struct radeon_device *rdev)
236 for (i = 0; i < rdev->usec_timeout; i++) {
238 tmp = RREG32(RADEON_MC_STATUS);
239 if (tmp & RADEON_MC_IDLE) {
247 static void rs400_gpu_init(struct radeon_device *rdev)
249 /* FIXME: is this correct ? */
250 r420_pipes_init(rdev);
251 if (rs400_mc_wait_for_idle(rdev)) {
252 DRM_ERROR("rs400: Failed to wait MC idle while "
253 "programming pipes. Bad things might happen. %08x\n", RREG32(RADEON_MC_STATUS));
257 static void rs400_mc_init(struct radeon_device *rdev)
261 rs400_gart_adjust_size(rdev);
262 rdev->mc.igp_sideport_enabled = radeon_combios_sideport_present(rdev);
263 /* DDR for all card after R300 & IGP */
264 rdev->mc.vram_is_ddr = true;
265 rdev->mc.vram_width = 128;
266 r100_vram_init_sizes(rdev);
267 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
268 radeon_vram_location(rdev, &rdev->mc, base);
269 rdev->mc.gtt_base_align = rdev->mc.gtt_size - 1;
270 radeon_gtt_location(rdev, &rdev->mc);
271 radeon_update_bandwidth_info(rdev);
274 uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg)
278 WREG32(RS480_NB_MC_INDEX, reg & 0xff);
279 r = RREG32(RS480_NB_MC_DATA);
280 WREG32(RS480_NB_MC_INDEX, 0xff);
284 void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
286 WREG32(RS480_NB_MC_INDEX, ((reg) & 0xff) | RS480_NB_MC_IND_WR_EN);
287 WREG32(RS480_NB_MC_DATA, (v));
288 WREG32(RS480_NB_MC_INDEX, 0xff);
291 #if defined(CONFIG_DEBUG_FS)
292 static int rs400_debugfs_gart_info(struct seq_file *m, void *data)
294 struct drm_info_node *node = (struct drm_info_node *) m->private;
295 struct drm_device *dev = node->minor->dev;
296 struct radeon_device *rdev = dev->dev_private;
299 tmp = RREG32(RADEON_HOST_PATH_CNTL);
300 seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
301 tmp = RREG32(RADEON_BUS_CNTL);
302 seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
303 tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
304 seq_printf(m, "AIC_CTRL_SCRATCH 0x%08x\n", tmp);
305 if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) {
306 tmp = RREG32_MC(RS690_MCCFG_AGP_BASE);
307 seq_printf(m, "MCCFG_AGP_BASE 0x%08x\n", tmp);
308 tmp = RREG32_MC(RS690_MCCFG_AGP_BASE_2);
309 seq_printf(m, "MCCFG_AGP_BASE_2 0x%08x\n", tmp);
310 tmp = RREG32_MC(RS690_MCCFG_AGP_LOCATION);
311 seq_printf(m, "MCCFG_AGP_LOCATION 0x%08x\n", tmp);
312 tmp = RREG32_MC(RS690_MCCFG_FB_LOCATION);
313 seq_printf(m, "MCCFG_FB_LOCATION 0x%08x\n", tmp);
314 tmp = RREG32(RS690_HDP_FB_LOCATION);
315 seq_printf(m, "HDP_FB_LOCATION 0x%08x\n", tmp);
317 tmp = RREG32(RADEON_AGP_BASE);
318 seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
319 tmp = RREG32(RS480_AGP_BASE_2);
320 seq_printf(m, "AGP_BASE_2 0x%08x\n", tmp);
321 tmp = RREG32(RADEON_MC_AGP_LOCATION);
322 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
324 tmp = RREG32_MC(RS480_GART_BASE);
325 seq_printf(m, "GART_BASE 0x%08x\n", tmp);
326 tmp = RREG32_MC(RS480_GART_FEATURE_ID);
327 seq_printf(m, "GART_FEATURE_ID 0x%08x\n", tmp);
328 tmp = RREG32_MC(RS480_AGP_MODE_CNTL);
329 seq_printf(m, "AGP_MODE_CONTROL 0x%08x\n", tmp);
330 tmp = RREG32_MC(RS480_MC_MISC_CNTL);
331 seq_printf(m, "MC_MISC_CNTL 0x%08x\n", tmp);
332 tmp = RREG32_MC(0x5F);
333 seq_printf(m, "MC_MISC_UMA_CNTL 0x%08x\n", tmp);
334 tmp = RREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE);
335 seq_printf(m, "AGP_ADDRESS_SPACE_SIZE 0x%08x\n", tmp);
336 tmp = RREG32_MC(RS480_GART_CACHE_CNTRL);
337 seq_printf(m, "GART_CACHE_CNTRL 0x%08x\n", tmp);
338 tmp = RREG32_MC(0x3B);
339 seq_printf(m, "MC_GART_ERROR_ADDRESS 0x%08x\n", tmp);
340 tmp = RREG32_MC(0x3C);
341 seq_printf(m, "MC_GART_ERROR_ADDRESS_HI 0x%08x\n", tmp);
342 tmp = RREG32_MC(0x30);
343 seq_printf(m, "GART_ERROR_0 0x%08x\n", tmp);
344 tmp = RREG32_MC(0x31);
345 seq_printf(m, "GART_ERROR_1 0x%08x\n", tmp);
346 tmp = RREG32_MC(0x32);
347 seq_printf(m, "GART_ERROR_2 0x%08x\n", tmp);
348 tmp = RREG32_MC(0x33);
349 seq_printf(m, "GART_ERROR_3 0x%08x\n", tmp);
350 tmp = RREG32_MC(0x34);
351 seq_printf(m, "GART_ERROR_4 0x%08x\n", tmp);
352 tmp = RREG32_MC(0x35);
353 seq_printf(m, "GART_ERROR_5 0x%08x\n", tmp);
354 tmp = RREG32_MC(0x36);
355 seq_printf(m, "GART_ERROR_6 0x%08x\n", tmp);
356 tmp = RREG32_MC(0x37);
357 seq_printf(m, "GART_ERROR_7 0x%08x\n", tmp);
361 static struct drm_info_list rs400_gart_info_list[] = {
362 {"rs400_gart_info", rs400_debugfs_gart_info, 0, NULL},
366 static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
368 #if defined(CONFIG_DEBUG_FS)
369 return radeon_debugfs_add_files(rdev, rs400_gart_info_list, 1);
375 static void rs400_mc_program(struct radeon_device *rdev)
377 struct r100_mc_save save;
379 /* Stops all mc clients */
380 r100_mc_stop(rdev, &save);
382 /* Wait for mc idle */
383 if (rs400_mc_wait_for_idle(rdev))
384 dev_warn(rdev->dev, "rs400: Wait MC idle timeout before updating MC.\n");
385 WREG32(R_000148_MC_FB_LOCATION,
386 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
387 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
389 r100_mc_resume(rdev, &save);
392 static int rs400_startup(struct radeon_device *rdev)
396 r100_set_common_regs(rdev);
398 rs400_mc_program(rdev);
400 r300_clock_startup(rdev);
401 /* Initialize GPU configuration (# pipes, ...) */
402 rs400_gpu_init(rdev);
403 r100_enable_bm(rdev);
404 /* Initialize GART (initialize after TTM so we can allocate
405 * memory through TTM but finalize after TTM) */
406 r = rs400_gart_enable(rdev);
410 /* allocate wb buffer */
411 r = radeon_wb_init(rdev);
415 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
417 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
423 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
425 r = r100_cp_init(rdev, 1024 * 1024);
427 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
431 r = radeon_ib_pool_init(rdev);
433 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
440 int rs400_resume(struct radeon_device *rdev)
444 /* Make sur GART are not working */
445 rs400_gart_disable(rdev);
446 /* Resume clock before doing reset */
447 r300_clock_startup(rdev);
448 /* setup MC before calling post tables */
449 rs400_mc_program(rdev);
450 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
451 if (radeon_asic_reset(rdev)) {
452 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
453 RREG32(R_000E40_RBBM_STATUS),
454 RREG32(R_0007C0_CP_STAT));
457 radeon_combios_asic_init(rdev->ddev);
458 /* Resume clock after posting */
459 r300_clock_startup(rdev);
460 /* Initialize surface registers */
461 radeon_surface_init(rdev);
463 rdev->accel_working = true;
464 r = rs400_startup(rdev);
466 rdev->accel_working = false;
471 int rs400_suspend(struct radeon_device *rdev)
473 r100_cp_disable(rdev);
474 radeon_wb_disable(rdev);
475 r100_irq_disable(rdev);
476 rs400_gart_disable(rdev);
480 void rs400_fini(struct radeon_device *rdev)
483 radeon_wb_fini(rdev);
484 radeon_ib_pool_fini(rdev);
485 radeon_gem_fini(rdev);
486 rs400_gart_fini(rdev);
487 radeon_irq_kms_fini(rdev);
488 radeon_fence_driver_fini(rdev);
489 radeon_bo_fini(rdev);
490 radeon_atombios_fini(rdev);
491 free(rdev->bios, DRM_MEM_DRIVER);
495 int rs400_init(struct radeon_device *rdev)
500 r100_vga_render_disable(rdev);
501 /* Initialize scratch registers */
502 radeon_scratch_init(rdev);
503 /* Initialize surface registers */
504 radeon_surface_init(rdev);
505 /* TODO: disable VGA need to use VGA request */
506 /* restore some register to sane defaults */
507 r100_restore_sanity(rdev);
509 if (!radeon_get_bios(rdev)) {
510 if (ASIC_IS_AVIVO(rdev))
513 if (rdev->is_atom_bios) {
514 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
517 r = radeon_combios_init(rdev);
521 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
522 if (radeon_asic_reset(rdev)) {
524 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
525 RREG32(R_000E40_RBBM_STATUS),
526 RREG32(R_0007C0_CP_STAT));
528 /* check if cards are posted or not */
529 if (radeon_boot_test_post_card(rdev) == false)
532 /* Initialize clocks */
533 radeon_get_clock_info(rdev->ddev);
534 /* initialize memory controller */
537 r = radeon_fence_driver_init(rdev);
540 r = radeon_irq_kms_init(rdev);
544 r = radeon_bo_init(rdev);
547 r = rs400_gart_init(rdev);
550 r300_set_reg_safe(rdev);
552 rdev->accel_working = true;
553 r = rs400_startup(rdev);
555 /* Somethings want wront with the accel init stop accel */
556 dev_err(rdev->dev, "Disabling GPU acceleration\n");
558 radeon_wb_fini(rdev);
559 radeon_ib_pool_fini(rdev);
560 rs400_gart_fini(rdev);
561 radeon_irq_kms_fini(rdev);
562 rdev->accel_working = false;