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
28 #include <linux/seq_file.h>
30 #include "radeon_reg.h"
35 #include "r420_reg_safe.h"
37 static void r420_set_reg_safe(struct radeon_device *rdev)
39 rdev->config.r300.reg_safe_bm = r420_reg_safe_bm;
40 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r420_reg_safe_bm);
43 int r420_mc_init(struct radeon_device *rdev)
47 /* Setup GPU memory space */
48 rdev->mc.vram_location = 0xFFFFFFFFUL;
49 rdev->mc.gtt_location = 0xFFFFFFFFUL;
50 if (rdev->flags & RADEON_IS_AGP) {
51 r = radeon_agp_init(rdev);
53 radeon_agp_disable(rdev);
55 rdev->mc.gtt_location = rdev->mc.agp_base;
58 r = radeon_mc_setup(rdev);
65 void r420_pipes_init(struct radeon_device *rdev)
68 unsigned gb_pipe_select;
71 /* GA_ENHANCE workaround TCL deadlock issue */
72 WREG32(0x4274, (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3));
73 /* add idle wait as per freedesktop.org bug 24041 */
74 if (r100_gui_wait_for_idle(rdev)) {
75 printk(KERN_WARNING "Failed to wait GUI idle while "
76 "programming pipes. Bad things might happen.\n");
78 /* get max number of pipes */
79 gb_pipe_select = RREG32(0x402C);
80 num_pipes = ((gb_pipe_select >> 12) & 3) + 1;
81 rdev->num_gb_pipes = num_pipes;
100 WREG32(0x42C8, (1 << num_pipes) - 1);
101 /* Sub pixel 1/12 so we can have 4K rendering according to doc */
102 tmp |= (1 << 4) | (1 << 0);
104 if (r100_gui_wait_for_idle(rdev)) {
105 printk(KERN_WARNING "Failed to wait GUI idle while "
106 "programming pipes. Bad things might happen.\n");
109 tmp = RREG32(0x170C);
110 WREG32(0x170C, tmp | (1 << 31));
112 WREG32(R300_RB2D_DSTCACHE_MODE,
113 RREG32(R300_RB2D_DSTCACHE_MODE) |
114 R300_DC_AUTOFLUSH_ENABLE |
115 R300_DC_DC_DISABLE_IGNORE_PE);
117 if (r100_gui_wait_for_idle(rdev)) {
118 printk(KERN_WARNING "Failed to wait GUI idle while "
119 "programming pipes. Bad things might happen.\n");
122 if (rdev->family == CHIP_RV530) {
123 tmp = RREG32(RV530_GB_PIPE_SELECT2);
125 rdev->num_z_pipes = 2;
127 rdev->num_z_pipes = 1;
129 rdev->num_z_pipes = 1;
131 DRM_INFO("radeon: %d quad pipes, %d z pipes initialized.\n",
132 rdev->num_gb_pipes, rdev->num_z_pipes);
135 u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg)
139 WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg));
140 r = RREG32(R_0001FC_MC_IND_DATA);
144 void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
146 WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg) |
147 S_0001F8_MC_IND_WR_EN(1));
148 WREG32(R_0001FC_MC_IND_DATA, v);
151 static void r420_debugfs(struct radeon_device *rdev)
153 if (r100_debugfs_rbbm_init(rdev)) {
154 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
156 if (r420_debugfs_pipes_info_init(rdev)) {
157 DRM_ERROR("Failed to register debugfs file for pipes !\n");
161 static void r420_clock_resume(struct radeon_device *rdev)
165 if (radeon_dynclks != -1 && radeon_dynclks)
166 radeon_atom_set_clock_gating(rdev, 1);
167 sclk_cntl = RREG32_PLL(R_00000D_SCLK_CNTL);
168 sclk_cntl |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
169 if (rdev->family == CHIP_R420)
170 sclk_cntl |= S_00000D_FORCE_PX(1) | S_00000D_FORCE_TX(1);
171 WREG32_PLL(R_00000D_SCLK_CNTL, sclk_cntl);
174 static void r420_cp_errata_init(struct radeon_device *rdev)
176 /* RV410 and R420 can lock up if CP DMA to host memory happens
177 * while the 2D engine is busy.
179 * The proper workaround is to queue a RESYNC at the beginning
180 * of the CP init, apparently.
182 radeon_scratch_get(rdev, &rdev->config.r300.resync_scratch);
183 radeon_ring_lock(rdev, 8);
184 radeon_ring_write(rdev, PACKET0(R300_CP_RESYNC_ADDR, 1));
185 radeon_ring_write(rdev, rdev->config.r300.resync_scratch);
186 radeon_ring_write(rdev, 0xDEADBEEF);
187 radeon_ring_unlock_commit(rdev);
190 static void r420_cp_errata_fini(struct radeon_device *rdev)
192 /* Catch the RESYNC we dispatched all the way back,
193 * at the very beginning of the CP init.
195 radeon_ring_lock(rdev, 8);
196 radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
197 radeon_ring_write(rdev, R300_RB3D_DC_FINISH);
198 radeon_ring_unlock_commit(rdev);
199 radeon_scratch_free(rdev, rdev->config.r300.resync_scratch);
202 static int r420_startup(struct radeon_device *rdev)
206 /* set common regs */
207 r100_set_common_regs(rdev);
209 r300_mc_program(rdev);
211 r420_clock_resume(rdev);
212 /* Initialize GART (initialize after TTM so we can allocate
213 * memory through TTM but finalize after TTM) */
214 if (rdev->flags & RADEON_IS_PCIE) {
215 r = rv370_pcie_gart_enable(rdev);
219 if (rdev->flags & RADEON_IS_PCI) {
220 r = r100_pci_gart_enable(rdev);
224 r420_pipes_init(rdev);
227 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
229 r = r100_cp_init(rdev, 1024 * 1024);
231 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
234 r420_cp_errata_init(rdev);
235 r = r100_wb_init(rdev);
237 dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
239 r = r100_ib_init(rdev);
241 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
247 int r420_resume(struct radeon_device *rdev)
249 /* Make sur GART are not working */
250 if (rdev->flags & RADEON_IS_PCIE)
251 rv370_pcie_gart_disable(rdev);
252 if (rdev->flags & RADEON_IS_PCI)
253 r100_pci_gart_disable(rdev);
254 /* Resume clock before doing reset */
255 r420_clock_resume(rdev);
256 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
257 if (radeon_gpu_reset(rdev)) {
258 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
259 RREG32(R_000E40_RBBM_STATUS),
260 RREG32(R_0007C0_CP_STAT));
262 /* check if cards are posted or not */
263 if (rdev->is_atom_bios) {
264 atom_asic_init(rdev->mode_info.atom_context);
266 radeon_combios_asic_init(rdev->ddev);
268 /* Resume clock after posting */
269 r420_clock_resume(rdev);
270 /* Initialize surface registers */
271 radeon_surface_init(rdev);
272 return r420_startup(rdev);
275 int r420_suspend(struct radeon_device *rdev)
277 r420_cp_errata_fini(rdev);
278 r100_cp_disable(rdev);
279 r100_wb_disable(rdev);
280 r100_irq_disable(rdev);
281 if (rdev->flags & RADEON_IS_PCIE)
282 rv370_pcie_gart_disable(rdev);
283 if (rdev->flags & RADEON_IS_PCI)
284 r100_pci_gart_disable(rdev);
288 void r420_fini(struct radeon_device *rdev)
293 radeon_gem_fini(rdev);
294 if (rdev->flags & RADEON_IS_PCIE)
295 rv370_pcie_gart_fini(rdev);
296 if (rdev->flags & RADEON_IS_PCI)
297 r100_pci_gart_fini(rdev);
298 radeon_agp_fini(rdev);
299 radeon_irq_kms_fini(rdev);
300 radeon_fence_driver_fini(rdev);
301 radeon_bo_fini(rdev);
302 if (rdev->is_atom_bios) {
303 radeon_atombios_fini(rdev);
305 radeon_combios_fini(rdev);
311 int r420_init(struct radeon_device *rdev)
315 /* Initialize scratch registers */
316 radeon_scratch_init(rdev);
317 /* Initialize surface registers */
318 radeon_surface_init(rdev);
319 /* TODO: disable VGA need to use VGA request */
321 if (!radeon_get_bios(rdev)) {
322 if (ASIC_IS_AVIVO(rdev))
325 if (rdev->is_atom_bios) {
326 r = radeon_atombios_init(rdev);
331 r = radeon_combios_init(rdev);
336 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
337 if (radeon_gpu_reset(rdev)) {
339 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
340 RREG32(R_000E40_RBBM_STATUS),
341 RREG32(R_0007C0_CP_STAT));
343 /* check if cards are posted or not */
344 if (radeon_boot_test_post_card(rdev) == false)
347 /* Initialize clocks */
348 radeon_get_clock_info(rdev->ddev);
349 /* Initialize power management */
350 radeon_pm_init(rdev);
351 /* Get vram informations */
352 r300_vram_info(rdev);
353 /* Initialize memory controller (also test AGP) */
354 r = r420_mc_init(rdev);
360 r = radeon_fence_driver_init(rdev);
364 r = radeon_irq_kms_init(rdev);
369 r = radeon_bo_init(rdev);
373 if (rdev->family == CHIP_R420)
374 r100_enable_bm(rdev);
376 if (rdev->flags & RADEON_IS_PCIE) {
377 r = rv370_pcie_gart_init(rdev);
381 if (rdev->flags & RADEON_IS_PCI) {
382 r = r100_pci_gart_init(rdev);
386 r420_set_reg_safe(rdev);
387 rdev->accel_working = true;
388 r = r420_startup(rdev);
390 /* Somethings want wront with the accel init stop accel */
391 dev_err(rdev->dev, "Disabling GPU acceleration\n");
395 radeon_irq_kms_fini(rdev);
396 if (rdev->flags & RADEON_IS_PCIE)
397 rv370_pcie_gart_fini(rdev);
398 if (rdev->flags & RADEON_IS_PCI)
399 r100_pci_gart_fini(rdev);
400 radeon_agp_fini(rdev);
401 rdev->accel_working = false;
409 #if defined(CONFIG_DEBUG_FS)
410 static int r420_debugfs_pipes_info(struct seq_file *m, void *data)
412 struct drm_info_node *node = (struct drm_info_node *) m->private;
413 struct drm_device *dev = node->minor->dev;
414 struct radeon_device *rdev = dev->dev_private;
417 tmp = RREG32(R400_GB_PIPE_SELECT);
418 seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
419 tmp = RREG32(R300_GB_TILE_CONFIG);
420 seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
421 tmp = RREG32(R300_DST_PIPE_CONFIG);
422 seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
426 static struct drm_info_list r420_pipes_info_list[] = {
427 {"r420_pipes_info", r420_debugfs_pipes_info, 0, NULL},
431 int r420_debugfs_pipes_info_init(struct radeon_device *rdev)
433 #if defined(CONFIG_DEBUG_FS)
434 return radeon_debugfs_add_files(rdev, r420_pipes_info_list, 1);