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 /* RS600 / Radeon X1250/X1270 integrated GPU
30 * This file gather function specific to RS600 which is the IGP of
31 * the X1250/X1270 family supporting intel CPU (while RS690/RS740
32 * is the X1250/X1270 supporting AMD CPU). The display engine are
33 * the avivo one, bios is an atombios, 3D block are the one of the
34 * R4XX family. The GART is different from the RS400 one and is very
35 * close to the one of the R600 family (R600 likely being an evolution
36 * of the RS600 GART block).
43 #include "rs600_reg_safe.h"
45 void rs600_gpu_init(struct radeon_device
*rdev
);
46 int rs600_mc_wait_for_idle(struct radeon_device
*rdev
);
51 void rs600_gart_tlb_flush(struct radeon_device
*rdev
)
55 tmp
= RREG32_MC(R_000100_MC_PT0_CNTL
);
56 tmp
&= C_000100_INVALIDATE_ALL_L1_TLBS
& C_000100_INVALIDATE_L2_CACHE
;
57 WREG32_MC(R_000100_MC_PT0_CNTL
, tmp
);
59 tmp
= RREG32_MC(R_000100_MC_PT0_CNTL
);
60 tmp
|= S_000100_INVALIDATE_ALL_L1_TLBS(1) & S_000100_INVALIDATE_L2_CACHE(1);
61 WREG32_MC(R_000100_MC_PT0_CNTL
, tmp
);
63 tmp
= RREG32_MC(R_000100_MC_PT0_CNTL
);
64 tmp
&= C_000100_INVALIDATE_ALL_L1_TLBS
& C_000100_INVALIDATE_L2_CACHE
;
65 WREG32_MC(R_000100_MC_PT0_CNTL
, tmp
);
66 tmp
= RREG32_MC(R_000100_MC_PT0_CNTL
);
69 int rs600_gart_init(struct radeon_device
*rdev
)
73 if (rdev
->gart
.table
.vram
.robj
) {
74 WARN(1, "RS600 GART already initialized.\n");
77 /* Initialize common gart structure */
78 r
= radeon_gart_init(rdev
);
82 rdev
->gart
.table_size
= rdev
->gart
.num_gpu_pages
* 8;
83 return radeon_gart_table_vram_alloc(rdev
);
86 int rs600_gart_enable(struct radeon_device
*rdev
)
91 if (rdev
->gart
.table
.vram
.robj
== NULL
) {
92 dev_err(rdev
->dev
, "No VRAM object for PCIE GART.\n");
95 r
= radeon_gart_table_vram_pin(rdev
);
98 /* Enable bus master */
99 tmp
= RREG32(R_00004C_BUS_CNTL
) & C_00004C_BUS_MASTER_DIS
;
100 WREG32(R_00004C_BUS_CNTL
, tmp
);
101 /* FIXME: setup default page */
102 WREG32_MC(R_000100_MC_PT0_CNTL
,
103 (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
104 S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
105 for (i
= 0; i
< 19; i
++) {
106 WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL
+ i
,
107 S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
108 S_00016C_SYSTEM_ACCESS_MODE_MASK(
109 V_00016C_SYSTEM_ACCESS_MODE_IN_SYS
) |
110 S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
111 V_00016C_SYSTEM_APERTURE_UNMAPPED_DEFAULT_PAGE
) |
112 S_00016C_EFFECTIVE_L1_CACHE_SIZE(1) |
113 S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
114 S_00016C_EFFECTIVE_L1_QUEUE_SIZE(1));
117 /* System context map to GART space */
118 WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR
, rdev
->mc
.gtt_start
);
119 WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR
, rdev
->mc
.gtt_end
);
121 /* enable first context */
122 WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR
, rdev
->mc
.gtt_start
);
123 WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR
, rdev
->mc
.gtt_end
);
124 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL
,
125 S_000102_ENABLE_PAGE_TABLE(1) |
126 S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT
));
127 /* disable all other contexts */
128 for (i
= 1; i
< 8; i
++) {
129 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL
+ i
, 0);
132 /* setup the page table */
133 WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR
,
134 rdev
->gart
.table_addr
);
135 WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR
, 0);
137 /* enable page tables */
138 tmp
= RREG32_MC(R_000100_MC_PT0_CNTL
);
139 WREG32_MC(R_000100_MC_PT0_CNTL
, (tmp
| S_000100_ENABLE_PT(1)));
140 tmp
= RREG32_MC(R_000009_MC_CNTL1
);
141 WREG32_MC(R_000009_MC_CNTL1
, (tmp
| S_000009_ENABLE_PAGE_TABLES(1)));
142 rs600_gart_tlb_flush(rdev
);
143 rdev
->gart
.ready
= true;
147 void rs600_gart_disable(struct radeon_device
*rdev
)
151 /* FIXME: disable out of gart access */
152 WREG32_MC(R_000100_MC_PT0_CNTL
, 0);
153 tmp
= RREG32_MC(R_000009_MC_CNTL1
);
154 WREG32_MC(R_000009_MC_CNTL1
, tmp
& C_000009_ENABLE_PAGE_TABLES
);
155 if (rdev
->gart
.table
.vram
.robj
) {
156 radeon_object_kunmap(rdev
->gart
.table
.vram
.robj
);
157 radeon_object_unpin(rdev
->gart
.table
.vram
.robj
);
161 void rs600_gart_fini(struct radeon_device
*rdev
)
163 rs600_gart_disable(rdev
);
164 radeon_gart_table_vram_free(rdev
);
165 radeon_gart_fini(rdev
);
168 #define R600_PTE_VALID (1 << 0)
169 #define R600_PTE_SYSTEM (1 << 1)
170 #define R600_PTE_SNOOPED (1 << 2)
171 #define R600_PTE_READABLE (1 << 5)
172 #define R600_PTE_WRITEABLE (1 << 6)
174 int rs600_gart_set_page(struct radeon_device
*rdev
, int i
, uint64_t addr
)
176 void __iomem
*ptr
= (void *)rdev
->gart
.table
.vram
.ptr
;
178 if (i
< 0 || i
> rdev
->gart
.num_gpu_pages
) {
181 addr
= addr
& 0xFFFFFFFFFFFFF000ULL
;
182 addr
|= R600_PTE_VALID
| R600_PTE_SYSTEM
| R600_PTE_SNOOPED
;
183 addr
|= R600_PTE_READABLE
| R600_PTE_WRITEABLE
;
184 writeq(addr
, ((void __iomem
*)ptr
) + (i
* 8));
188 int rs600_irq_set(struct radeon_device
*rdev
)
191 uint32_t mode_int
= 0;
193 if (rdev
->irq
.sw_int
) {
194 tmp
|= S_000040_SW_INT_EN(1);
196 if (rdev
->irq
.crtc_vblank_int
[0]) {
197 mode_int
|= S_006540_D1MODE_VBLANK_INT_MASK(1);
199 if (rdev
->irq
.crtc_vblank_int
[1]) {
200 mode_int
|= S_006540_D2MODE_VBLANK_INT_MASK(1);
202 WREG32(R_000040_GEN_INT_CNTL
, tmp
);
203 WREG32(R_006540_DxMODE_INT_MASK
, mode_int
);
207 static inline uint32_t rs600_irq_ack(struct radeon_device
*rdev
, u32
*r500_disp_int
)
209 uint32_t irqs
= RREG32(R_000040_GEN_INT_CNTL
);
210 uint32_t irq_mask
= ~C_000040_SW_INT_EN
;
212 if (G_000040_DISPLAY_INT_STATUS(irqs
)) {
213 *r500_disp_int
= RREG32(R_007EDC_DISP_INTERRUPT_STATUS
);
214 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(*r500_disp_int
)) {
215 WREG32(R_006534_D1MODE_VBLANK_STATUS
,
216 S_006534_D1MODE_VBLANK_ACK(1));
218 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(*r500_disp_int
)) {
219 WREG32(R_006D34_D2MODE_VBLANK_STATUS
,
220 S_006D34_D2MODE_VBLANK_ACK(1));
227 WREG32(R_000040_GEN_INT_CNTL
, irqs
);
229 return irqs
& irq_mask
;
232 int rs600_irq_process(struct radeon_device
*rdev
)
235 uint32_t r500_disp_int
;
237 status
= rs600_irq_ack(rdev
, &r500_disp_int
);
238 if (!status
&& !r500_disp_int
) {
241 while (status
|| r500_disp_int
) {
243 if (G_000040_SW_INT_EN(status
))
244 radeon_fence_process(rdev
);
245 /* Vertical blank interrupts */
246 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(r500_disp_int
))
247 drm_handle_vblank(rdev
->ddev
, 0);
248 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(r500_disp_int
))
249 drm_handle_vblank(rdev
->ddev
, 1);
250 status
= rs600_irq_ack(rdev
, &r500_disp_int
);
255 u32
rs600_get_vblank_counter(struct radeon_device
*rdev
, int crtc
)
258 return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT
);
260 return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT
);
263 int rs600_mc_wait_for_idle(struct radeon_device
*rdev
)
267 for (i
= 0; i
< rdev
->usec_timeout
; i
++) {
268 if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS
)))
275 void rs600_gpu_init(struct radeon_device
*rdev
)
277 /* FIXME: HDP same place on rs600 ? */
278 r100_hdp_reset(rdev
);
279 /* FIXME: is this correct ? */
280 r420_pipes_init(rdev
);
281 /* Wait for mc idle */
282 if (rs600_mc_wait_for_idle(rdev
))
283 dev_warn(rdev
->dev
, "Wait MC idle timeout before updating MC.\n");
286 void rs600_vram_info(struct radeon_device
*rdev
)
288 /* FIXME: to do or is these values sane ? */
289 rdev
->mc
.vram_is_ddr
= true;
290 rdev
->mc
.vram_width
= 128;
293 void rs600_bandwidth_update(struct radeon_device
*rdev
)
295 /* FIXME: implement, should this be like rs690 ? */
298 uint32_t rs600_mc_rreg(struct radeon_device
*rdev
, uint32_t reg
)
300 WREG32(R_000070_MC_IND_INDEX
, S_000070_MC_IND_ADDR(reg
) |
301 S_000070_MC_IND_CITF_ARB0(1));
302 return RREG32(R_000074_MC_IND_DATA
);
305 void rs600_mc_wreg(struct radeon_device
*rdev
, uint32_t reg
, uint32_t v
)
307 WREG32(R_000070_MC_IND_INDEX
, S_000070_MC_IND_ADDR(reg
) |
308 S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
309 WREG32(R_000074_MC_IND_DATA
, v
);
312 void rs600_debugfs(struct radeon_device
*rdev
)
314 if (r100_debugfs_rbbm_init(rdev
))
315 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
318 void rs600_set_safe_registers(struct radeon_device
*rdev
)
320 rdev
->config
.r300
.reg_safe_bm
= rs600_reg_safe_bm
;
321 rdev
->config
.r300
.reg_safe_bm_size
= ARRAY_SIZE(rs600_reg_safe_bm
);
324 static void rs600_mc_program(struct radeon_device
*rdev
)
326 struct rv515_mc_save save
;
328 /* Stops all mc clients */
329 rv515_mc_stop(rdev
, &save
);
331 /* Wait for mc idle */
332 if (rs600_mc_wait_for_idle(rdev
))
333 dev_warn(rdev
->dev
, "Wait MC idle timeout before updating MC.\n");
335 /* FIXME: What does AGP means for such chipset ? */
336 WREG32_MC(R_000005_MC_AGP_LOCATION
, 0x0FFFFFFF);
337 WREG32_MC(R_000006_AGP_BASE
, 0);
338 WREG32_MC(R_000007_AGP_BASE_2
, 0);
340 WREG32_MC(R_000004_MC_FB_LOCATION
,
341 S_000004_MC_FB_START(rdev
->mc
.vram_start
>> 16) |
342 S_000004_MC_FB_TOP(rdev
->mc
.vram_end
>> 16));
343 WREG32(R_000134_HDP_FB_LOCATION
,
344 S_000134_HDP_FB_START(rdev
->mc
.vram_start
>> 16));
346 rv515_mc_resume(rdev
, &save
);
349 static int rs600_startup(struct radeon_device
*rdev
)
353 rs600_mc_program(rdev
);
355 rv515_clock_startup(rdev
);
356 /* Initialize GPU configuration (# pipes, ...) */
357 rs600_gpu_init(rdev
);
358 /* Initialize GART (initialize after TTM so we can allocate
359 * memory through TTM but finalize after TTM) */
360 r
= rs600_gart_enable(rdev
);
364 rdev
->irq
.sw_int
= true;
367 r
= r100_cp_init(rdev
, 1024 * 1024);
369 dev_err(rdev
->dev
, "failled initializing CP (%d).\n", r
);
372 r
= r100_wb_init(rdev
);
374 dev_err(rdev
->dev
, "failled initializing WB (%d).\n", r
);
375 r
= r100_ib_init(rdev
);
377 dev_err(rdev
->dev
, "failled initializing IB (%d).\n", r
);
383 int rs600_resume(struct radeon_device
*rdev
)
385 /* Make sur GART are not working */
386 rs600_gart_disable(rdev
);
387 /* Resume clock before doing reset */
388 rv515_clock_startup(rdev
);
389 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
390 if (radeon_gpu_reset(rdev
)) {
391 dev_warn(rdev
->dev
, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
392 RREG32(R_000E40_RBBM_STATUS
),
393 RREG32(R_0007C0_CP_STAT
));
396 atom_asic_init(rdev
->mode_info
.atom_context
);
397 /* Resume clock after posting */
398 rv515_clock_startup(rdev
);
399 return rs600_startup(rdev
);
402 int rs600_suspend(struct radeon_device
*rdev
)
404 r100_cp_disable(rdev
);
405 r100_wb_disable(rdev
);
406 r100_irq_disable(rdev
);
407 rs600_gart_disable(rdev
);
411 void rs600_fini(struct radeon_device
*rdev
)
417 radeon_gem_fini(rdev
);
418 rs600_gart_fini(rdev
);
419 radeon_irq_kms_fini(rdev
);
420 radeon_fence_driver_fini(rdev
);
421 radeon_object_fini(rdev
);
422 radeon_atombios_fini(rdev
);
427 int rs600_init(struct radeon_device
*rdev
)
431 rdev
->new_init_path
= true;
433 rv515_vga_render_disable(rdev
);
434 /* Initialize scratch registers */
435 radeon_scratch_init(rdev
);
436 /* Initialize surface registers */
437 radeon_surface_init(rdev
);
439 if (!radeon_get_bios(rdev
)) {
440 if (ASIC_IS_AVIVO(rdev
))
443 if (rdev
->is_atom_bios
) {
444 r
= radeon_atombios_init(rdev
);
448 dev_err(rdev
->dev
, "Expecting atombios for RS600 GPU\n");
451 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
452 if (radeon_gpu_reset(rdev
)) {
454 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
455 RREG32(R_000E40_RBBM_STATUS
),
456 RREG32(R_0007C0_CP_STAT
));
458 /* check if cards are posted or not */
459 if (!radeon_card_posted(rdev
) && rdev
->bios
) {
460 DRM_INFO("GPU not posted. posting now...\n");
461 atom_asic_init(rdev
->mode_info
.atom_context
);
463 /* Initialize clocks */
464 radeon_get_clock_info(rdev
->ddev
);
465 /* Get vram informations */
466 rs600_vram_info(rdev
);
467 /* Initialize memory controller (also test AGP) */
468 r
= r420_mc_init(rdev
);
473 r
= radeon_fence_driver_init(rdev
);
476 r
= radeon_irq_kms_init(rdev
);
480 r
= radeon_object_init(rdev
);
483 r
= rs600_gart_init(rdev
);
486 rs600_set_safe_registers(rdev
);
487 rdev
->accel_working
= true;
488 r
= rs600_startup(rdev
);
490 /* Somethings want wront with the accel init stop accel */
491 dev_err(rdev
->dev
, "Disabling GPU acceleration\n");
496 rs600_gart_fini(rdev
);
497 radeon_irq_kms_fini(rdev
);
498 rdev
->accel_working
= false;