2 * Copyright 2015 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
24 #include <linux/list.h>
25 #include <linux/slab.h>
26 #include <linux/pci.h>
28 #include <linux/firmware.h>
29 #include <drm/amdgpu_drm.h>
31 #include "cgs_linux.h"
33 #include "amdgpu_ucode.h"
36 struct amdgpu_cgs_device
{
37 struct cgs_device base
;
38 struct amdgpu_device
*adev
;
41 #define CGS_FUNC_ADEV \
42 struct amdgpu_device *adev = \
43 ((struct amdgpu_cgs_device *)cgs_device)->adev
45 static int amdgpu_cgs_gpu_mem_info(void *cgs_device
, enum cgs_gpu_mem_type type
,
46 uint64_t *mc_start
, uint64_t *mc_size
,
51 case CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB
:
52 case CGS_GPU_MEM_TYPE__VISIBLE_FB
:
54 *mc_size
= adev
->mc
.visible_vram_size
;
55 *mem_size
= adev
->mc
.visible_vram_size
- adev
->vram_pin_size
;
57 case CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB
:
58 case CGS_GPU_MEM_TYPE__INVISIBLE_FB
:
59 *mc_start
= adev
->mc
.visible_vram_size
;
60 *mc_size
= adev
->mc
.real_vram_size
- adev
->mc
.visible_vram_size
;
63 case CGS_GPU_MEM_TYPE__GART_CACHEABLE
:
64 case CGS_GPU_MEM_TYPE__GART_WRITECOMBINE
:
65 *mc_start
= adev
->mc
.gtt_start
;
66 *mc_size
= adev
->mc
.gtt_size
;
67 *mem_size
= adev
->mc
.gtt_size
- adev
->gart_pin_size
;
76 static int amdgpu_cgs_gmap_kmem(void *cgs_device
, void *kmem
,
78 uint64_t min_offset
, uint64_t max_offset
,
79 cgs_handle_t
*kmem_handle
, uint64_t *mcaddr
)
84 struct page
*kmem_page
= vmalloc_to_page(kmem
);
85 int npages
= ALIGN(size
, PAGE_SIZE
) >> PAGE_SHIFT
;
87 struct sg_table
*sg
= drm_prime_pages_to_sg(&kmem_page
, npages
);
88 ret
= amdgpu_bo_create(adev
, size
, PAGE_SIZE
, false,
89 AMDGPU_GEM_DOMAIN_GTT
, 0, sg
, NULL
, &bo
);
92 ret
= amdgpu_bo_reserve(bo
, false);
93 if (unlikely(ret
!= 0))
96 /* pin buffer into GTT */
97 ret
= amdgpu_bo_pin_restricted(bo
, AMDGPU_GEM_DOMAIN_GTT
,
98 min_offset
, max_offset
, mcaddr
);
99 amdgpu_bo_unreserve(bo
);
101 *kmem_handle
= (cgs_handle_t
)bo
;
105 static int amdgpu_cgs_gunmap_kmem(void *cgs_device
, cgs_handle_t kmem_handle
)
107 struct amdgpu_bo
*obj
= (struct amdgpu_bo
*)kmem_handle
;
110 int r
= amdgpu_bo_reserve(obj
, false);
111 if (likely(r
== 0)) {
112 amdgpu_bo_unpin(obj
);
113 amdgpu_bo_unreserve(obj
);
115 amdgpu_bo_unref(&obj
);
121 static int amdgpu_cgs_alloc_gpu_mem(void *cgs_device
,
122 enum cgs_gpu_mem_type type
,
123 uint64_t size
, uint64_t align
,
124 uint64_t min_offset
, uint64_t max_offset
,
125 cgs_handle_t
*handle
)
131 struct amdgpu_bo
*obj
;
132 struct ttm_placement placement
;
133 struct ttm_place place
;
135 if (min_offset
> max_offset
) {
140 /* fail if the alignment is not a power of 2 */
141 if (((align
!= 1) && (align
& (align
- 1)))
142 || size
== 0 || align
== 0)
147 case CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB
:
148 case CGS_GPU_MEM_TYPE__VISIBLE_FB
:
149 flags
= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED
;
150 domain
= AMDGPU_GEM_DOMAIN_VRAM
;
151 if (max_offset
> adev
->mc
.real_vram_size
)
153 place
.fpfn
= min_offset
>> PAGE_SHIFT
;
154 place
.lpfn
= max_offset
>> PAGE_SHIFT
;
155 place
.flags
= TTM_PL_FLAG_WC
| TTM_PL_FLAG_UNCACHED
|
158 case CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB
:
159 case CGS_GPU_MEM_TYPE__INVISIBLE_FB
:
160 flags
= AMDGPU_GEM_CREATE_NO_CPU_ACCESS
;
161 domain
= AMDGPU_GEM_DOMAIN_VRAM
;
162 if (adev
->mc
.visible_vram_size
< adev
->mc
.real_vram_size
) {
164 max(min_offset
, adev
->mc
.visible_vram_size
) >> PAGE_SHIFT
;
166 min(max_offset
, adev
->mc
.real_vram_size
) >> PAGE_SHIFT
;
167 place
.flags
= TTM_PL_FLAG_WC
| TTM_PL_FLAG_UNCACHED
|
172 case CGS_GPU_MEM_TYPE__GART_CACHEABLE
:
173 domain
= AMDGPU_GEM_DOMAIN_GTT
;
174 place
.fpfn
= min_offset
>> PAGE_SHIFT
;
175 place
.lpfn
= max_offset
>> PAGE_SHIFT
;
176 place
.flags
= TTM_PL_FLAG_CACHED
| TTM_PL_FLAG_TT
;
178 case CGS_GPU_MEM_TYPE__GART_WRITECOMBINE
:
179 flags
= AMDGPU_GEM_CREATE_CPU_GTT_USWC
;
180 domain
= AMDGPU_GEM_DOMAIN_GTT
;
181 place
.fpfn
= min_offset
>> PAGE_SHIFT
;
182 place
.lpfn
= max_offset
>> PAGE_SHIFT
;
183 place
.flags
= TTM_PL_FLAG_WC
| TTM_PL_FLAG_TT
|
184 TTM_PL_FLAG_UNCACHED
;
193 placement
.placement
= &place
;
194 placement
.num_placement
= 1;
195 placement
.busy_placement
= &place
;
196 placement
.num_busy_placement
= 1;
198 ret
= amdgpu_bo_create_restricted(adev
, size
, PAGE_SIZE
,
200 NULL
, &placement
, NULL
,
203 DRM_ERROR("(%d) bo create failed\n", ret
);
206 *handle
= (cgs_handle_t
)obj
;
211 static int amdgpu_cgs_import_gpu_mem(void *cgs_device
, int dmabuf_fd
,
212 cgs_handle_t
*handle
)
217 struct drm_gem_object
*obj
;
218 struct amdgpu_bo
*bo
;
219 struct drm_device
*dev
= adev
->ddev
;
220 struct drm_file
*file_priv
= NULL
, *priv
;
222 mutex_lock(&dev
->struct_mutex
);
223 list_for_each_entry(priv
, &dev
->filelist
, lhead
) {
225 if (priv
->pid
== get_pid(task_pid(current
)))
231 mutex_unlock(&dev
->struct_mutex
);
232 r
= dev
->driver
->prime_fd_to_handle(dev
,
233 file_priv
, dmabuf_fd
,
235 spin_lock(&file_priv
->table_lock
);
237 /* Check if we currently have a reference on the object */
238 obj
= idr_find(&file_priv
->object_idr
, dma_handle
);
240 spin_unlock(&file_priv
->table_lock
);
243 spin_unlock(&file_priv
->table_lock
);
244 bo
= gem_to_amdgpu_bo(obj
);
245 *handle
= (cgs_handle_t
)bo
;
249 static int amdgpu_cgs_free_gpu_mem(void *cgs_device
, cgs_handle_t handle
)
251 struct amdgpu_bo
*obj
= (struct amdgpu_bo
*)handle
;
254 int r
= amdgpu_bo_reserve(obj
, false);
255 if (likely(r
== 0)) {
256 amdgpu_bo_kunmap(obj
);
257 amdgpu_bo_unpin(obj
);
258 amdgpu_bo_unreserve(obj
);
260 amdgpu_bo_unref(&obj
);
266 static int amdgpu_cgs_gmap_gpu_mem(void *cgs_device
, cgs_handle_t handle
,
270 u64 min_offset
, max_offset
;
271 struct amdgpu_bo
*obj
= (struct amdgpu_bo
*)handle
;
273 WARN_ON_ONCE(obj
->placement
.num_placement
> 1);
275 min_offset
= obj
->placements
[0].fpfn
<< PAGE_SHIFT
;
276 max_offset
= obj
->placements
[0].lpfn
<< PAGE_SHIFT
;
278 r
= amdgpu_bo_reserve(obj
, false);
279 if (unlikely(r
!= 0))
281 r
= amdgpu_bo_pin_restricted(obj
, AMDGPU_GEM_DOMAIN_GTT
,
282 min_offset
, max_offset
, mcaddr
);
283 amdgpu_bo_unreserve(obj
);
287 static int amdgpu_cgs_gunmap_gpu_mem(void *cgs_device
, cgs_handle_t handle
)
290 struct amdgpu_bo
*obj
= (struct amdgpu_bo
*)handle
;
291 r
= amdgpu_bo_reserve(obj
, false);
292 if (unlikely(r
!= 0))
294 r
= amdgpu_bo_unpin(obj
);
295 amdgpu_bo_unreserve(obj
);
299 static int amdgpu_cgs_kmap_gpu_mem(void *cgs_device
, cgs_handle_t handle
,
303 struct amdgpu_bo
*obj
= (struct amdgpu_bo
*)handle
;
304 r
= amdgpu_bo_reserve(obj
, false);
305 if (unlikely(r
!= 0))
307 r
= amdgpu_bo_kmap(obj
, map
);
308 amdgpu_bo_unreserve(obj
);
312 static int amdgpu_cgs_kunmap_gpu_mem(void *cgs_device
, cgs_handle_t handle
)
315 struct amdgpu_bo
*obj
= (struct amdgpu_bo
*)handle
;
316 r
= amdgpu_bo_reserve(obj
, false);
317 if (unlikely(r
!= 0))
319 amdgpu_bo_kunmap(obj
);
320 amdgpu_bo_unreserve(obj
);
324 static uint32_t amdgpu_cgs_read_register(void *cgs_device
, unsigned offset
)
327 return RREG32(offset
);
330 static void amdgpu_cgs_write_register(void *cgs_device
, unsigned offset
,
334 WREG32(offset
, value
);
337 static uint32_t amdgpu_cgs_read_ind_register(void *cgs_device
,
338 enum cgs_ind_reg space
,
343 case CGS_IND_REG__MMIO
:
344 return RREG32_IDX(index
);
345 case CGS_IND_REG__PCIE
:
346 return RREG32_PCIE(index
);
347 case CGS_IND_REG__SMC
:
348 return RREG32_SMC(index
);
349 case CGS_IND_REG__UVD_CTX
:
350 return RREG32_UVD_CTX(index
);
351 case CGS_IND_REG__DIDT
:
352 return RREG32_DIDT(index
);
353 case CGS_IND_REG__AUDIO_ENDPT
:
354 DRM_ERROR("audio endpt register access not implemented.\n");
357 WARN(1, "Invalid indirect register space");
361 static void amdgpu_cgs_write_ind_register(void *cgs_device
,
362 enum cgs_ind_reg space
,
363 unsigned index
, uint32_t value
)
367 case CGS_IND_REG__MMIO
:
368 return WREG32_IDX(index
, value
);
369 case CGS_IND_REG__PCIE
:
370 return WREG32_PCIE(index
, value
);
371 case CGS_IND_REG__SMC
:
372 return WREG32_SMC(index
, value
);
373 case CGS_IND_REG__UVD_CTX
:
374 return WREG32_UVD_CTX(index
, value
);
375 case CGS_IND_REG__DIDT
:
376 return WREG32_DIDT(index
, value
);
377 case CGS_IND_REG__AUDIO_ENDPT
:
378 DRM_ERROR("audio endpt register access not implemented.\n");
381 WARN(1, "Invalid indirect register space");
384 static uint8_t amdgpu_cgs_read_pci_config_byte(void *cgs_device
, unsigned addr
)
388 int ret
= pci_read_config_byte(adev
->pdev
, addr
, &val
);
389 if (WARN(ret
, "pci_read_config_byte error"))
394 static uint16_t amdgpu_cgs_read_pci_config_word(void *cgs_device
, unsigned addr
)
398 int ret
= pci_read_config_word(adev
->pdev
, addr
, &val
);
399 if (WARN(ret
, "pci_read_config_word error"))
404 static uint32_t amdgpu_cgs_read_pci_config_dword(void *cgs_device
,
409 int ret
= pci_read_config_dword(adev
->pdev
, addr
, &val
);
410 if (WARN(ret
, "pci_read_config_dword error"))
415 static void amdgpu_cgs_write_pci_config_byte(void *cgs_device
, unsigned addr
,
419 int ret
= pci_write_config_byte(adev
->pdev
, addr
, value
);
420 WARN(ret
, "pci_write_config_byte error");
423 static void amdgpu_cgs_write_pci_config_word(void *cgs_device
, unsigned addr
,
427 int ret
= pci_write_config_word(adev
->pdev
, addr
, value
);
428 WARN(ret
, "pci_write_config_word error");
431 static void amdgpu_cgs_write_pci_config_dword(void *cgs_device
, unsigned addr
,
435 int ret
= pci_write_config_dword(adev
->pdev
, addr
, value
);
436 WARN(ret
, "pci_write_config_dword error");
439 static const void *amdgpu_cgs_atom_get_data_table(void *cgs_device
,
440 unsigned table
, uint16_t *size
,
441 uint8_t *frev
, uint8_t *crev
)
446 if (amdgpu_atom_parse_data_header(
447 adev
->mode_info
.atom_context
, table
, size
,
448 frev
, crev
, &data_start
))
449 return (uint8_t*)adev
->mode_info
.atom_context
->bios
+
455 static int amdgpu_cgs_atom_get_cmd_table_revs(void *cgs_device
, unsigned table
,
456 uint8_t *frev
, uint8_t *crev
)
460 if (amdgpu_atom_parse_cmd_header(
461 adev
->mode_info
.atom_context
, table
,
468 static int amdgpu_cgs_atom_exec_cmd_table(void *cgs_device
, unsigned table
,
473 return amdgpu_atom_execute_table(
474 adev
->mode_info
.atom_context
, table
, args
);
477 static int amdgpu_cgs_create_pm_request(void *cgs_device
, cgs_handle_t
*request
)
483 static int amdgpu_cgs_destroy_pm_request(void *cgs_device
, cgs_handle_t request
)
489 static int amdgpu_cgs_set_pm_request(void *cgs_device
, cgs_handle_t request
,
496 static int amdgpu_cgs_pm_request_clock(void *cgs_device
, cgs_handle_t request
,
497 enum cgs_clock clock
, unsigned freq
)
503 static int amdgpu_cgs_pm_request_engine(void *cgs_device
, cgs_handle_t request
,
504 enum cgs_engine engine
, int powered
)
512 static int amdgpu_cgs_pm_query_clock_limits(void *cgs_device
,
513 enum cgs_clock clock
,
514 struct cgs_clock_limits
*limits
)
520 static int amdgpu_cgs_set_camera_voltages(void *cgs_device
, uint32_t mask
,
521 const uint32_t *voltages
)
523 DRM_ERROR("not implemented");
527 struct cgs_irq_params
{
529 cgs_irq_source_set_func_t set
;
530 cgs_irq_handler_func_t handler
;
534 static int cgs_set_irq_state(struct amdgpu_device
*adev
,
535 struct amdgpu_irq_src
*src
,
537 enum amdgpu_interrupt_state state
)
539 struct cgs_irq_params
*irq_params
=
540 (struct cgs_irq_params
*)src
->data
;
543 if (!irq_params
->set
)
545 return irq_params
->set(irq_params
->private_data
,
551 static int cgs_process_irq(struct amdgpu_device
*adev
,
552 struct amdgpu_irq_src
*source
,
553 struct amdgpu_iv_entry
*entry
)
555 struct cgs_irq_params
*irq_params
=
556 (struct cgs_irq_params
*)source
->data
;
559 if (!irq_params
->handler
)
561 return irq_params
->handler(irq_params
->private_data
,
566 static const struct amdgpu_irq_src_funcs cgs_irq_funcs
= {
567 .set
= cgs_set_irq_state
,
568 .process
= cgs_process_irq
,
571 static int amdgpu_cgs_add_irq_source(void *cgs_device
, unsigned src_id
,
573 cgs_irq_source_set_func_t set
,
574 cgs_irq_handler_func_t handler
,
579 struct cgs_irq_params
*irq_params
;
580 struct amdgpu_irq_src
*source
=
581 kzalloc(sizeof(struct amdgpu_irq_src
), GFP_KERNEL
);
585 kzalloc(sizeof(struct cgs_irq_params
), GFP_KERNEL
);
590 source
->num_types
= num_types
;
591 source
->funcs
= &cgs_irq_funcs
;
592 irq_params
->src_id
= src_id
;
593 irq_params
->set
= set
;
594 irq_params
->handler
= handler
;
595 irq_params
->private_data
= private_data
;
596 source
->data
= (void *)irq_params
;
597 ret
= amdgpu_irq_add_id(adev
, src_id
, source
);
606 static int amdgpu_cgs_irq_get(void *cgs_device
, unsigned src_id
, unsigned type
)
609 return amdgpu_irq_get(adev
, adev
->irq
.sources
[src_id
], type
);
612 static int amdgpu_cgs_irq_put(void *cgs_device
, unsigned src_id
, unsigned type
)
615 return amdgpu_irq_put(adev
, adev
->irq
.sources
[src_id
], type
);
618 int amdgpu_cgs_set_clockgating_state(void *cgs_device
,
619 enum amd_ip_block_type block_type
,
620 enum amd_clockgating_state state
)
625 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
626 if (!adev
->ip_block_status
[i
].valid
)
629 if (adev
->ip_blocks
[i
].type
== block_type
) {
630 r
= adev
->ip_blocks
[i
].funcs
->set_clockgating_state(
639 int amdgpu_cgs_set_powergating_state(void *cgs_device
,
640 enum amd_ip_block_type block_type
,
641 enum amd_powergating_state state
)
646 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
647 if (!adev
->ip_block_status
[i
].valid
)
650 if (adev
->ip_blocks
[i
].type
== block_type
) {
651 r
= adev
->ip_blocks
[i
].funcs
->set_powergating_state(
661 static uint32_t fw_type_convert(void *cgs_device
, uint32_t fw_type
)
664 enum AMDGPU_UCODE_ID result
= AMDGPU_UCODE_ID_MAXIMUM
;
667 case CGS_UCODE_ID_SDMA0
:
668 result
= AMDGPU_UCODE_ID_SDMA0
;
670 case CGS_UCODE_ID_SDMA1
:
671 result
= AMDGPU_UCODE_ID_SDMA1
;
673 case CGS_UCODE_ID_CP_CE
:
674 result
= AMDGPU_UCODE_ID_CP_CE
;
676 case CGS_UCODE_ID_CP_PFP
:
677 result
= AMDGPU_UCODE_ID_CP_PFP
;
679 case CGS_UCODE_ID_CP_ME
:
680 result
= AMDGPU_UCODE_ID_CP_ME
;
682 case CGS_UCODE_ID_CP_MEC
:
683 case CGS_UCODE_ID_CP_MEC_JT1
:
684 result
= AMDGPU_UCODE_ID_CP_MEC1
;
686 case CGS_UCODE_ID_CP_MEC_JT2
:
687 if (adev
->asic_type
== CHIP_TONGA
)
688 result
= AMDGPU_UCODE_ID_CP_MEC2
;
689 else if (adev
->asic_type
== CHIP_CARRIZO
)
690 result
= AMDGPU_UCODE_ID_CP_MEC1
;
692 case CGS_UCODE_ID_RLC_G
:
693 result
= AMDGPU_UCODE_ID_RLC_G
;
696 DRM_ERROR("Firmware type not supported\n");
701 static int amdgpu_cgs_get_firmware_info(void *cgs_device
,
702 enum cgs_ucode_id type
,
703 struct cgs_firmware_info
*info
)
707 if (CGS_UCODE_ID_SMU
!= type
) {
710 const struct gfx_firmware_header_v1_0
*header
;
711 enum AMDGPU_UCODE_ID id
;
712 struct amdgpu_firmware_info
*ucode
;
714 id
= fw_type_convert(cgs_device
, type
);
715 ucode
= &adev
->firmware
.ucode
[id
];
716 if (ucode
->fw
== NULL
)
719 gpu_addr
= ucode
->mc_addr
;
720 header
= (const struct gfx_firmware_header_v1_0
*)ucode
->fw
->data
;
721 data_size
= le32_to_cpu(header
->header
.ucode_size_bytes
);
723 if ((type
== CGS_UCODE_ID_CP_MEC_JT1
) ||
724 (type
== CGS_UCODE_ID_CP_MEC_JT2
)) {
725 gpu_addr
+= le32_to_cpu(header
->jt_offset
) << 2;
726 data_size
= le32_to_cpu(header
->jt_size
) << 2;
728 info
->mc_addr
= gpu_addr
;
729 info
->image_size
= data_size
;
730 info
->version
= (uint16_t)le32_to_cpu(header
->header
.ucode_version
);
731 info
->feature_version
= (uint16_t)le32_to_cpu(header
->ucode_feature_version
);
733 char fw_name
[30] = {0};
736 uint32_t ucode_start_address
;
738 const struct smc_firmware_header_v1_0
*hdr
;
740 switch (adev
->asic_type
) {
742 strcpy(fw_name
, "amdgpu/tonga_smc.bin");
745 DRM_ERROR("SMC firmware not supported\n");
749 err
= request_firmware(&adev
->pm
.fw
, fw_name
, adev
->dev
);
751 DRM_ERROR("Failed to request firmware\n");
755 err
= amdgpu_ucode_validate(adev
->pm
.fw
);
757 DRM_ERROR("Failed to load firmware \"%s\"", fw_name
);
758 release_firmware(adev
->pm
.fw
);
763 hdr
= (const struct smc_firmware_header_v1_0
*) adev
->pm
.fw
->data
;
764 adev
->pm
.fw_version
= le32_to_cpu(hdr
->header
.ucode_version
);
765 ucode_size
= le32_to_cpu(hdr
->header
.ucode_size_bytes
);
766 ucode_start_address
= le32_to_cpu(hdr
->ucode_start_addr
);
767 src
= (const uint8_t *)(adev
->pm
.fw
->data
+
768 le32_to_cpu(hdr
->header
.ucode_array_offset_bytes
));
770 info
->version
= adev
->pm
.fw_version
;
771 info
->image_size
= ucode_size
;
772 info
->kptr
= (void *)src
;
777 static const struct cgs_ops amdgpu_cgs_ops
= {
778 amdgpu_cgs_gpu_mem_info
,
779 amdgpu_cgs_gmap_kmem
,
780 amdgpu_cgs_gunmap_kmem
,
781 amdgpu_cgs_alloc_gpu_mem
,
782 amdgpu_cgs_free_gpu_mem
,
783 amdgpu_cgs_gmap_gpu_mem
,
784 amdgpu_cgs_gunmap_gpu_mem
,
785 amdgpu_cgs_kmap_gpu_mem
,
786 amdgpu_cgs_kunmap_gpu_mem
,
787 amdgpu_cgs_read_register
,
788 amdgpu_cgs_write_register
,
789 amdgpu_cgs_read_ind_register
,
790 amdgpu_cgs_write_ind_register
,
791 amdgpu_cgs_read_pci_config_byte
,
792 amdgpu_cgs_read_pci_config_word
,
793 amdgpu_cgs_read_pci_config_dword
,
794 amdgpu_cgs_write_pci_config_byte
,
795 amdgpu_cgs_write_pci_config_word
,
796 amdgpu_cgs_write_pci_config_dword
,
797 amdgpu_cgs_atom_get_data_table
,
798 amdgpu_cgs_atom_get_cmd_table_revs
,
799 amdgpu_cgs_atom_exec_cmd_table
,
800 amdgpu_cgs_create_pm_request
,
801 amdgpu_cgs_destroy_pm_request
,
802 amdgpu_cgs_set_pm_request
,
803 amdgpu_cgs_pm_request_clock
,
804 amdgpu_cgs_pm_request_engine
,
805 amdgpu_cgs_pm_query_clock_limits
,
806 amdgpu_cgs_set_camera_voltages
,
807 amdgpu_cgs_get_firmware_info
,
808 amdgpu_cgs_set_powergating_state
,
809 amdgpu_cgs_set_clockgating_state
812 static const struct cgs_os_ops amdgpu_cgs_os_ops
= {
813 amdgpu_cgs_import_gpu_mem
,
814 amdgpu_cgs_add_irq_source
,
819 void *amdgpu_cgs_create_device(struct amdgpu_device
*adev
)
821 struct amdgpu_cgs_device
*cgs_device
=
822 kmalloc(sizeof(*cgs_device
), GFP_KERNEL
);
825 DRM_ERROR("Couldn't allocate CGS device structure\n");
829 cgs_device
->base
.ops
= &amdgpu_cgs_ops
;
830 cgs_device
->base
.os_ops
= &amdgpu_cgs_os_ops
;
831 cgs_device
->adev
= adev
;
836 void amdgpu_cgs_destroy_device(void *cgs_device
)