drm/radeon: add vce dpm support for KV/KB
[linux-2.6-block.git] / drivers / gpu / drm / radeon / r520.c
CommitLineData
771fe6b9
JG
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 */
760285e7 28#include <drm/drmP.h>
771fe6b9 29#include "radeon.h"
e6990375 30#include "radeon_asic.h"
f0ed1f65
JG
31#include "atom.h"
32#include "r520d.h"
771fe6b9 33
f0ed1f65 34/* This files gather functions specifics to: r520,rv530,rv560,rv570,r580 */
771fe6b9 35
89e5181f 36int r520_mc_wait_for_idle(struct radeon_device *rdev)
771fe6b9
JG
37{
38 unsigned i;
39 uint32_t tmp;
40
41 for (i = 0; i < rdev->usec_timeout; i++) {
42 /* read MC_STATUS */
43 tmp = RREG32_MC(R520_MC_STATUS);
44 if (tmp & R520_MC_STATUS_IDLE) {
45 return 0;
46 }
47 DRM_UDELAY(1);
48 }
49 return -1;
50}
51
f0ed1f65 52static void r520_gpu_init(struct radeon_device *rdev)
771fe6b9
JG
53{
54 unsigned pipe_select_current, gb_pipe_select, tmp;
55
d39c3b89 56 rv515_vga_render_disable(rdev);
771fe6b9
JG
57 /*
58 * DST_PIPE_CONFIG 0x170C
59 * GB_TILE_CONFIG 0x4018
60 * GB_FIFO_SIZE 0x4024
61 * GB_PIPE_SELECT 0x402C
62 * GB_PIPE_SELECT2 0x4124
63 * Z_PIPE_SHIFT 0
64 * Z_PIPE_MASK 0x000000003
65 * GB_FIFO_SIZE2 0x4128
66 * SC_SFIFO_SIZE_SHIFT 0
67 * SC_SFIFO_SIZE_MASK 0x000000003
68 * SC_MFIFO_SIZE_SHIFT 2
69 * SC_MFIFO_SIZE_MASK 0x00000000C
70 * FG_SFIFO_SIZE_SHIFT 4
71 * FG_SFIFO_SIZE_MASK 0x000000030
72 * ZB_MFIFO_SIZE_SHIFT 6
73 * ZB_MFIFO_SIZE_MASK 0x0000000C0
74 * GA_ENHANCE 0x4274
75 * SU_REG_DEST 0x42C8
76 */
77 /* workaround for RV530 */
78 if (rdev->family == CHIP_RV530) {
771fe6b9
JG
79 WREG32(0x4128, 0xFF);
80 }
81 r420_pipes_init(rdev);
d75ee3be
AD
82 gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
83 tmp = RREG32(R300_DST_PIPE_CONFIG);
771fe6b9
JG
84 pipe_select_current = (tmp >> 2) & 3;
85 tmp = (1 << pipe_select_current) |
86 (((gb_pipe_select >> 8) & 0xF) << 4);
87 WREG32_PLL(0x000D, tmp);
88 if (r520_mc_wait_for_idle(rdev)) {
89 printk(KERN_WARNING "Failed to wait MC idle while "
90 "programming pipes. Bad things might happen.\n");
91 }
92}
93
771fe6b9
JG
94static void r520_vram_get_type(struct radeon_device *rdev)
95{
96 uint32_t tmp;
97
98 rdev->mc.vram_width = 128;
99 rdev->mc.vram_is_ddr = true;
100 tmp = RREG32_MC(R520_MC_CNTL0);
101 switch ((tmp & R520_MEM_NUM_CHANNELS_MASK) >> R520_MEM_NUM_CHANNELS_SHIFT) {
102 case 0:
103 rdev->mc.vram_width = 32;
104 break;
105 case 1:
106 rdev->mc.vram_width = 64;
107 break;
108 case 2:
109 rdev->mc.vram_width = 128;
110 break;
111 case 3:
112 rdev->mc.vram_width = 256;
113 break;
114 default:
115 rdev->mc.vram_width = 128;
116 break;
117 }
118 if (tmp & R520_MC_CHANNEL_SIZE)
119 rdev->mc.vram_width *= 2;
120}
121
1109ca09 122static void r520_mc_init(struct radeon_device *rdev)
771fe6b9 123{
c93bb85b 124
771fe6b9 125 r520_vram_get_type(rdev);
2a0f8918 126 r100_vram_init_sizes(rdev);
d594e46a 127 radeon_vram_location(rdev, &rdev->mc, 0);
8d369bb1 128 rdev->mc.gtt_base_align = 0;
d594e46a
JG
129 if (!(rdev->flags & RADEON_IS_AGP))
130 radeon_gtt_location(rdev, &rdev->mc);
f47299c5 131 radeon_update_bandwidth_info(rdev);
c93bb85b
JG
132}
133
1109ca09 134static void r520_mc_program(struct radeon_device *rdev)
f0ed1f65
JG
135{
136 struct rv515_mc_save save;
137
138 /* Stops all mc clients */
139 rv515_mc_stop(rdev, &save);
140
141 /* Wait for mc idle */
142 if (r520_mc_wait_for_idle(rdev))
143 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
144 /* Write VRAM size in case we are limiting it */
145 WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
146 /* Program MC, should be a 32bits limited address space */
147 WREG32_MC(R_000004_MC_FB_LOCATION,
148 S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
149 S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
150 WREG32(R_000134_HDP_FB_LOCATION,
151 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
152 if (rdev->flags & RADEON_IS_AGP) {
153 WREG32_MC(R_000005_MC_AGP_LOCATION,
154 S_000005_MC_AGP_START(rdev->mc.gtt_start >> 16) |
155 S_000005_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
156 WREG32_MC(R_000006_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
157 WREG32_MC(R_000007_AGP_BASE_2,
158 S_000007_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
159 } else {
160 WREG32_MC(R_000005_MC_AGP_LOCATION, 0xFFFFFFFF);
161 WREG32_MC(R_000006_AGP_BASE, 0);
162 WREG32_MC(R_000007_AGP_BASE_2, 0);
163 }
164
165 rv515_mc_resume(rdev, &save);
166}
167
168static int r520_startup(struct radeon_device *rdev)
169{
170 int r;
171
172 r520_mc_program(rdev);
173 /* Resume clock */
174 rv515_clock_startup(rdev);
175 /* Initialize GPU configuration (# pipes, ...) */
176 r520_gpu_init(rdev);
177 /* Initialize GART (initialize after TTM so we can allocate
178 * memory through TTM but finalize after TTM) */
179 if (rdev->flags & RADEON_IS_PCIE) {
180 r = rv370_pcie_gart_enable(rdev);
181 if (r)
182 return r;
183 }
724c80e1
AD
184
185 /* allocate wb buffer */
186 r = radeon_wb_init(rdev);
187 if (r)
188 return r;
189
30eb77f4
JG
190 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
191 if (r) {
192 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
193 return r;
194 }
195
f0ed1f65 196 /* Enable IRQ */
e49f3959
AH
197 if (!rdev->irq.installed) {
198 r = radeon_irq_kms_init(rdev);
199 if (r)
200 return r;
201 }
202
ac447df4 203 rs600_irq_set(rdev);
cafe6609 204 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
f0ed1f65
JG
205 /* 1M ring buffer */
206 r = r100_cp_init(rdev, 1024 * 1024);
207 if (r) {
ec4f2ac4 208 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
f0ed1f65
JG
209 return r;
210 }
b15ba512 211
2898c348
CK
212 r = radeon_ib_pool_init(rdev);
213 if (r) {
214 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
b15ba512 215 return r;
2898c348 216 }
b15ba512 217
f0ed1f65
JG
218 return 0;
219}
220
221int r520_resume(struct radeon_device *rdev)
c93bb85b 222{
6b7746e8
JG
223 int r;
224
f0ed1f65
JG
225 /* Make sur GART are not working */
226 if (rdev->flags & RADEON_IS_PCIE)
227 rv370_pcie_gart_disable(rdev);
228 /* Resume clock before doing reset */
229 rv515_clock_startup(rdev);
230 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
a2d07b74 231 if (radeon_asic_reset(rdev)) {
f0ed1f65
JG
232 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
233 RREG32(R_000E40_RBBM_STATUS),
234 RREG32(R_0007C0_CP_STAT));
235 }
236 /* post */
237 atom_asic_init(rdev->mode_info.atom_context);
238 /* Resume clock after posting */
239 rv515_clock_startup(rdev);
550e2d92
DA
240 /* Initialize surface registers */
241 radeon_surface_init(rdev);
b15ba512 242
6c7bccea
AD
243 radeon_pm_resume(rdev);
244
b15ba512 245 rdev->accel_working = true;
6b7746e8
JG
246 r = r520_startup(rdev);
247 if (r) {
248 rdev->accel_working = false;
249 }
250 return r;
771fe6b9 251}
d39c3b89
JG
252
253int r520_init(struct radeon_device *rdev)
254{
f0ed1f65
JG
255 int r;
256
f0ed1f65
JG
257 /* Initialize scratch registers */
258 radeon_scratch_init(rdev);
259 /* Initialize surface registers */
260 radeon_surface_init(rdev);
4c712e6c
DA
261 /* restore some register to sane defaults */
262 r100_restore_sanity(rdev);
f0ed1f65
JG
263 /* TODO: disable VGA need to use VGA request */
264 /* BIOS*/
265 if (!radeon_get_bios(rdev)) {
266 if (ASIC_IS_AVIVO(rdev))
267 return -EINVAL;
268 }
269 if (rdev->is_atom_bios) {
270 r = radeon_atombios_init(rdev);
271 if (r)
272 return r;
273 } else {
274 dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
275 return -EINVAL;
276 }
277 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
a2d07b74 278 if (radeon_asic_reset(rdev)) {
f0ed1f65
JG
279 dev_warn(rdev->dev,
280 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
281 RREG32(R_000E40_RBBM_STATUS),
282 RREG32(R_0007C0_CP_STAT));
283 }
284 /* check if cards are posted or not */
72542d77
DA
285 if (radeon_boot_test_post_card(rdev) == false)
286 return -EINVAL;
287
f0ed1f65
JG
288 if (!radeon_card_posted(rdev) && rdev->bios) {
289 DRM_INFO("GPU not posted. posting now...\n");
290 atom_asic_init(rdev->mode_info.atom_context);
291 }
292 /* Initialize clocks */
293 radeon_get_clock_info(rdev->ddev);
d594e46a
JG
294 /* initialize AGP */
295 if (rdev->flags & RADEON_IS_AGP) {
296 r = radeon_agp_init(rdev);
297 if (r) {
298 radeon_agp_disable(rdev);
299 }
300 }
301 /* initialize memory controller */
302 r520_mc_init(rdev);
f0ed1f65
JG
303 rv515_debugfs(rdev);
304 /* Fence driver */
30eb77f4 305 r = radeon_fence_driver_init(rdev);
f0ed1f65
JG
306 if (r)
307 return r;
308 /* Memory manager */
4c788679 309 r = radeon_bo_init(rdev);
f0ed1f65
JG
310 if (r)
311 return r;
312 r = rv370_pcie_gart_init(rdev);
313 if (r)
314 return r;
d39c3b89 315 rv515_set_safe_registers(rdev);
b15ba512 316
6c7bccea
AD
317 /* Initialize power management */
318 radeon_pm_init(rdev);
319
f0ed1f65
JG
320 rdev->accel_working = true;
321 r = r520_startup(rdev);
322 if (r) {
323 /* Somethings want wront with the accel init stop accel */
324 dev_err(rdev->dev, "Disabling GPU acceleration\n");
f0ed1f65 325 r100_cp_fini(rdev);
724c80e1 326 radeon_wb_fini(rdev);
2898c348 327 radeon_ib_pool_fini(rdev);
655efd3d 328 radeon_irq_kms_fini(rdev);
f0ed1f65
JG
329 rv370_pcie_gart_fini(rdev);
330 radeon_agp_fini(rdev);
f0ed1f65
JG
331 rdev->accel_working = false;
332 }
d39c3b89
JG
333 return 0;
334}