diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 1124 |
1 files changed, 1124 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c new file mode 100644 index 000000000000..a081dda9fa2f --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -0,0 +1,1124 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * + */ +#include <linux/list.h> +#include <linux/slab.h> +#include <linux/pci.h> +#include <linux/acpi.h> +#include <drm/drmP.h> +#include <linux/firmware.h> +#include <drm/amdgpu_drm.h> +#include "amdgpu.h" +#include "cgs_linux.h" +#include "atom.h" +#include "amdgpu_ucode.h" + +struct amdgpu_cgs_device { + struct cgs_device base; + struct amdgpu_device *adev; +}; + +#define CGS_FUNC_ADEV \ + struct amdgpu_device *adev = \ + ((struct amdgpu_cgs_device *)cgs_device)->adev + +static int amdgpu_cgs_gpu_mem_info(void *cgs_device, enum cgs_gpu_mem_type type, + uint64_t *mc_start, uint64_t *mc_size, + uint64_t *mem_size) +{ + CGS_FUNC_ADEV; + switch(type) { + case CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB: + case CGS_GPU_MEM_TYPE__VISIBLE_FB: + *mc_start = 0; + *mc_size = adev->mc.visible_vram_size; + *mem_size = adev->mc.visible_vram_size - adev->vram_pin_size; + break; + case CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB: + case CGS_GPU_MEM_TYPE__INVISIBLE_FB: + *mc_start = adev->mc.visible_vram_size; + *mc_size = adev->mc.real_vram_size - adev->mc.visible_vram_size; + *mem_size = *mc_size; + break; + case CGS_GPU_MEM_TYPE__GART_CACHEABLE: + case CGS_GPU_MEM_TYPE__GART_WRITECOMBINE: + *mc_start = adev->mc.gtt_start; + *mc_size = adev->mc.gtt_size; + *mem_size = adev->mc.gtt_size - adev->gart_pin_size; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int amdgpu_cgs_gmap_kmem(void *cgs_device, void *kmem, + uint64_t size, + uint64_t min_offset, uint64_t max_offset, + cgs_handle_t *kmem_handle, uint64_t *mcaddr) +{ + CGS_FUNC_ADEV; + int ret; + struct amdgpu_bo *bo; + struct page *kmem_page = vmalloc_to_page(kmem); + int npages = ALIGN(size, PAGE_SIZE) >> PAGE_SHIFT; + + struct sg_table *sg = drm_prime_pages_to_sg(&kmem_page, npages); + ret = amdgpu_bo_create(adev, size, PAGE_SIZE, false, + AMDGPU_GEM_DOMAIN_GTT, 0, sg, NULL, &bo); + if (ret) + return ret; + ret = amdgpu_bo_reserve(bo, false); + if (unlikely(ret != 0)) + return ret; + + /* pin buffer into GTT */ + ret = amdgpu_bo_pin_restricted(bo, AMDGPU_GEM_DOMAIN_GTT, + min_offset, max_offset, mcaddr); + amdgpu_bo_unreserve(bo); + + *kmem_handle = (cgs_handle_t)bo; + return ret; +} + +static int amdgpu_cgs_gunmap_kmem(void *cgs_device, cgs_handle_t kmem_handle) +{ + struct amdgpu_bo *obj = (struct amdgpu_bo *)kmem_handle; + + if (obj) { + int r = amdgpu_bo_reserve(obj, false); + if (likely(r == 0)) { + amdgpu_bo_unpin(obj); + amdgpu_bo_unreserve(obj); + } + amdgpu_bo_unref(&obj); + + } + return 0; +} + +static int amdgpu_cgs_alloc_gpu_mem(void *cgs_device, + enum cgs_gpu_mem_type type, + uint64_t size, uint64_t align, + uint64_t min_offset, uint64_t max_offset, + cgs_handle_t *handle) +{ + CGS_FUNC_ADEV; + uint16_t flags = 0; + int ret = 0; + uint32_t domain = 0; + struct amdgpu_bo *obj; + struct ttm_placement placement; + struct ttm_place place; + + if (min_offset > max_offset) { + BUG_ON(1); + return -EINVAL; + } + + /* fail if the alignment is not a power of 2 */ + if (((align != 1) && (align & (align - 1))) + || size == 0 || align == 0) + return -EINVAL; + + + switch(type) { + case CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB: + case CGS_GPU_MEM_TYPE__VISIBLE_FB: + flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; + domain = AMDGPU_GEM_DOMAIN_VRAM; + if (max_offset > adev->mc.real_vram_size) + return -EINVAL; + place.fpfn = min_offset >> PAGE_SHIFT; + place.lpfn = max_offset >> PAGE_SHIFT; + place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | + TTM_PL_FLAG_VRAM; + break; + case CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB: + case CGS_GPU_MEM_TYPE__INVISIBLE_FB: + flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS; + domain = AMDGPU_GEM_DOMAIN_VRAM; + if (adev->mc.visible_vram_size < adev->mc.real_vram_size) { + place.fpfn = + max(min_offset, adev->mc.visible_vram_size) >> PAGE_SHIFT; + place.lpfn = + min(max_offset, adev->mc.real_vram_size) >> PAGE_SHIFT; + place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | + TTM_PL_FLAG_VRAM; + } + + break; + case CGS_GPU_MEM_TYPE__GART_CACHEABLE: + domain = AMDGPU_GEM_DOMAIN_GTT; + place.fpfn = min_offset >> PAGE_SHIFT; + place.lpfn = max_offset >> PAGE_SHIFT; + place.flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT; + break; + case CGS_GPU_MEM_TYPE__GART_WRITECOMBINE: + flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC; + domain = AMDGPU_GEM_DOMAIN_GTT; + place.fpfn = min_offset >> PAGE_SHIFT; + place.lpfn = max_offset >> PAGE_SHIFT; + place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_TT | + TTM_PL_FLAG_UNCACHED; + break; + default: + return -EINVAL; + } + + + *handle = 0; + + placement.placement = &place; + placement.num_placement = 1; + placement.busy_placement = &place; + placement.num_busy_placement = 1; + + ret = amdgpu_bo_create_restricted(adev, size, PAGE_SIZE, + true, domain, flags, + NULL, &placement, NULL, + &obj); + if (ret) { + DRM_ERROR("(%d) bo create failed\n", ret); + return ret; + } + *handle = (cgs_handle_t)obj; + + return ret; +} + +static int amdgpu_cgs_free_gpu_mem(void *cgs_device, cgs_handle_t handle) +{ + struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; + + if (obj) { + int r = amdgpu_bo_reserve(obj, false); + if (likely(r == 0)) { + amdgpu_bo_kunmap(obj); + amdgpu_bo_unpin(obj); + amdgpu_bo_unreserve(obj); + } + amdgpu_bo_unref(&obj); + + } + return 0; +} + +static int amdgpu_cgs_gmap_gpu_mem(void *cgs_device, cgs_handle_t handle, + uint64_t *mcaddr) +{ + int r; + u64 min_offset, max_offset; + struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; + + WARN_ON_ONCE(obj->placement.num_placement > 1); + + min_offset = obj->placements[0].fpfn << PAGE_SHIFT; + max_offset = obj->placements[0].lpfn << PAGE_SHIFT; + + r = amdgpu_bo_reserve(obj, false); + if (unlikely(r != 0)) + return r; + r = amdgpu_bo_pin_restricted(obj, AMDGPU_GEM_DOMAIN_GTT, + min_offset, max_offset, mcaddr); + amdgpu_bo_unreserve(obj); + return r; +} + +static int amdgpu_cgs_gunmap_gpu_mem(void *cgs_device, cgs_handle_t handle) +{ + int r; + struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; + r = amdgpu_bo_reserve(obj, false); + if (unlikely(r != 0)) + return r; + r = amdgpu_bo_unpin(obj); + amdgpu_bo_unreserve(obj); + return r; +} + +static int amdgpu_cgs_kmap_gpu_mem(void *cgs_device, cgs_handle_t handle, + void **map) +{ + int r; + struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; + r = amdgpu_bo_reserve(obj, false); + if (unlikely(r != 0)) + return r; + r = amdgpu_bo_kmap(obj, map); + amdgpu_bo_unreserve(obj); + return r; +} + +static int amdgpu_cgs_kunmap_gpu_mem(void *cgs_device, cgs_handle_t handle) +{ + int r; + struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; + r = amdgpu_bo_reserve(obj, false); + if (unlikely(r != 0)) + return r; + amdgpu_bo_kunmap(obj); + amdgpu_bo_unreserve(obj); + return r; +} + +static uint32_t amdgpu_cgs_read_register(void *cgs_device, unsigned offset) +{ + CGS_FUNC_ADEV; + return RREG32(offset); +} + +static void amdgpu_cgs_write_register(void *cgs_device, unsigned offset, + uint32_t value) +{ + CGS_FUNC_ADEV; + WREG32(offset, value); +} + +static uint32_t amdgpu_cgs_read_ind_register(void *cgs_device, + enum cgs_ind_reg space, + unsigned index) +{ + CGS_FUNC_ADEV; + switch (space) { + case CGS_IND_REG__MMIO: + return RREG32_IDX(index); + case CGS_IND_REG__PCIE: + return RREG32_PCIE(index); + case CGS_IND_REG__SMC: + return RREG32_SMC(index); + case CGS_IND_REG__UVD_CTX: + return RREG32_UVD_CTX(index); + case CGS_IND_REG__DIDT: + return RREG32_DIDT(index); + case CGS_IND_REG__AUDIO_ENDPT: + DRM_ERROR("audio endpt register access not implemented.\n"); + return 0; + } + WARN(1, "Invalid indirect register space"); + return 0; +} + +static void amdgpu_cgs_write_ind_register(void *cgs_device, + enum cgs_ind_reg space, + unsigned index, uint32_t value) +{ + CGS_FUNC_ADEV; + switch (space) { + case CGS_IND_REG__MMIO: + return WREG32_IDX(index, value); + case CGS_IND_REG__PCIE: + return WREG32_PCIE(index, value); + case CGS_IND_REG__SMC: + return WREG32_SMC(index, value); + case CGS_IND_REG__UVD_CTX: + return WREG32_UVD_CTX(index, value); + case CGS_IND_REG__DIDT: + return WREG32_DIDT(index, value); + case CGS_IND_REG__AUDIO_ENDPT: + DRM_ERROR("audio endpt register access not implemented.\n"); + return; + } + WARN(1, "Invalid indirect register space"); +} + +static uint8_t amdgpu_cgs_read_pci_config_byte(void *cgs_device, unsigned addr) +{ + CGS_FUNC_ADEV; + uint8_t val; + int ret = pci_read_config_byte(adev->pdev, addr, &val); + if (WARN(ret, "pci_read_config_byte error")) + return 0; + return val; +} + +static uint16_t amdgpu_cgs_read_pci_config_word(void *cgs_device, unsigned addr) +{ + CGS_FUNC_ADEV; + uint16_t val; + int ret = pci_read_config_word(adev->pdev, addr, &val); + if (WARN(ret, "pci_read_config_word error")) + return 0; + return val; +} + +static uint32_t amdgpu_cgs_read_pci_config_dword(void *cgs_device, + unsigned addr) +{ + CGS_FUNC_ADEV; + uint32_t val; + int ret = pci_read_config_dword(adev->pdev, addr, &val); + if (WARN(ret, "pci_read_config_dword error")) + return 0; + return val; +} + +static void amdgpu_cgs_write_pci_config_byte(void *cgs_device, unsigned addr, + uint8_t value) +{ + CGS_FUNC_ADEV; + int ret = pci_write_config_byte(adev->pdev, addr, value); + WARN(ret, "pci_write_config_byte error"); +} + +static void amdgpu_cgs_write_pci_config_word(void *cgs_device, unsigned addr, + uint16_t value) +{ + CGS_FUNC_ADEV; + int ret = pci_write_config_word(adev->pdev, addr, value); + WARN(ret, "pci_write_config_word error"); +} + +static void amdgpu_cgs_write_pci_config_dword(void *cgs_device, unsigned addr, + uint32_t value) +{ + CGS_FUNC_ADEV; + int ret = pci_write_config_dword(adev->pdev, addr, value); + WARN(ret, "pci_write_config_dword error"); +} + + +static int amdgpu_cgs_get_pci_resource(void *cgs_device, + enum cgs_resource_type resource_type, + uint64_t size, + uint64_t offset, + uint64_t *resource_base) +{ + CGS_FUNC_ADEV; + + if (resource_base == NULL) + return -EINVAL; + + switch (resource_type) { + case CGS_RESOURCE_TYPE_MMIO: + if (adev->rmmio_size == 0) + return -ENOENT; + if ((offset + size) > adev->rmmio_size) + return -EINVAL; + *resource_base = adev->rmmio_base; + return 0; + case CGS_RESOURCE_TYPE_DOORBELL: + if (adev->doorbell.size == 0) + return -ENOENT; + if ((offset + size) > adev->doorbell.size) + return -EINVAL; + *resource_base = adev->doorbell.base; + return 0; + case CGS_RESOURCE_TYPE_FB: + case CGS_RESOURCE_TYPE_IO: + case CGS_RESOURCE_TYPE_ROM: + default: + return -EINVAL; + } +} + +static const void *amdgpu_cgs_atom_get_data_table(void *cgs_device, + unsigned table, uint16_t *size, + uint8_t *frev, uint8_t *crev) +{ + CGS_FUNC_ADEV; + uint16_t data_start; + + if (amdgpu_atom_parse_data_header( + adev->mode_info.atom_context, table, size, + frev, crev, &data_start)) + return (uint8_t*)adev->mode_info.atom_context->bios + + data_start; + + return NULL; +} + +static int amdgpu_cgs_atom_get_cmd_table_revs(void *cgs_device, unsigned table, + uint8_t *frev, uint8_t *crev) +{ + CGS_FUNC_ADEV; + + if (amdgpu_atom_parse_cmd_header( + adev->mode_info.atom_context, table, + frev, crev)) + return 0; + + return -EINVAL; +} + +static int amdgpu_cgs_atom_exec_cmd_table(void *cgs_device, unsigned table, + void *args) +{ + CGS_FUNC_ADEV; + + return amdgpu_atom_execute_table( + adev->mode_info.atom_context, table, args); +} + +static int amdgpu_cgs_create_pm_request(void *cgs_device, cgs_handle_t *request) +{ + /* TODO */ + return 0; +} + +static int amdgpu_cgs_destroy_pm_request(void *cgs_device, cgs_handle_t request) +{ + /* TODO */ + return 0; +} + +static int amdgpu_cgs_set_pm_request(void *cgs_device, cgs_handle_t request, + int active) +{ + /* TODO */ + return 0; +} + +static int amdgpu_cgs_pm_request_clock(void *cgs_device, cgs_handle_t request, + enum cgs_clock clock, unsigned freq) +{ + /* TODO */ + return 0; +} + +static int amdgpu_cgs_pm_request_engine(void *cgs_device, cgs_handle_t request, + enum cgs_engine engine, int powered) +{ + /* TODO */ + return 0; +} + + + +static int amdgpu_cgs_pm_query_clock_limits(void *cgs_device, + enum cgs_clock clock, + struct cgs_clock_limits *limits) +{ + /* TODO */ + return 0; +} + +static int amdgpu_cgs_set_camera_voltages(void *cgs_device, uint32_t mask, + const uint32_t *voltages) +{ + DRM_ERROR("not implemented"); + return -EPERM; +} + +struct cgs_irq_params { + unsigned src_id; + cgs_irq_source_set_func_t set; + cgs_irq_handler_func_t handler; + void *private_data; +}; + +static int cgs_set_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *src, + unsigned type, + enum amdgpu_interrupt_state state) +{ + struct cgs_irq_params *irq_params = + (struct cgs_irq_params *)src->data; + if (!irq_params) + return -EINVAL; + if (!irq_params->set) + return -EINVAL; + return irq_params->set(irq_params->private_data, + irq_params->src_id, + type, + (int)state); +} + +static int cgs_process_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + struct cgs_irq_params *irq_params = + (struct cgs_irq_params *)source->data; + if (!irq_params) + return -EINVAL; + if (!irq_params->handler) + return -EINVAL; + return irq_params->handler(irq_params->private_data, + irq_params->src_id, + entry->iv_entry); +} + +static const struct amdgpu_irq_src_funcs cgs_irq_funcs = { + .set = cgs_set_irq_state, + .process = cgs_process_irq, +}; + +static int amdgpu_cgs_add_irq_source(void *cgs_device, unsigned src_id, + unsigned num_types, + cgs_irq_source_set_func_t set, + cgs_irq_handler_func_t handler, + void *private_data) +{ + CGS_FUNC_ADEV; + int ret = 0; + struct cgs_irq_params *irq_params; + struct amdgpu_irq_src *source = + kzalloc(sizeof(struct amdgpu_irq_src), GFP_KERNEL); + if (!source) + return -ENOMEM; + irq_params = + kzalloc(sizeof(struct cgs_irq_params), GFP_KERNEL); + if (!irq_params) { + kfree(source); + return -ENOMEM; + } + source->num_types = num_types; + source->funcs = &cgs_irq_funcs; + irq_params->src_id = src_id; + irq_params->set = set; + irq_params->handler = handler; + irq_params->private_data = private_data; + source->data = (void *)irq_params; + ret = amdgpu_irq_add_id(adev, src_id, source); + if (ret) { + kfree(irq_params); + kfree(source); + } + + return ret; +} + +static int amdgpu_cgs_irq_get(void *cgs_device, unsigned src_id, unsigned type) +{ + CGS_FUNC_ADEV; + return amdgpu_irq_get(adev, adev->irq.sources[src_id], type); +} + +static int amdgpu_cgs_irq_put(void *cgs_device, unsigned src_id, unsigned type) +{ + CGS_FUNC_ADEV; + return amdgpu_irq_put(adev, adev->irq.sources[src_id], type); +} + +int amdgpu_cgs_set_clockgating_state(void *cgs_device, + enum amd_ip_block_type block_type, + enum amd_clockgating_state state) +{ + CGS_FUNC_ADEV; + int i, r = -1; + + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_block_status[i].valid) + continue; + + if (adev->ip_blocks[i].type == block_type) { + r = adev->ip_blocks[i].funcs->set_clockgating_state( + (void *)adev, + state); + break; + } + } + return r; +} + +int amdgpu_cgs_set_powergating_state(void *cgs_device, + enum amd_ip_block_type block_type, + enum amd_powergating_state state) +{ + CGS_FUNC_ADEV; + int i, r = -1; + + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_block_status[i].valid) + continue; + + if (adev->ip_blocks[i].type == block_type) { + r = adev->ip_blocks[i].funcs->set_powergating_state( + (void *)adev, + state); + break; + } + } + return r; +} + + +static uint32_t fw_type_convert(void *cgs_device, uint32_t fw_type) +{ + CGS_FUNC_ADEV; + enum AMDGPU_UCODE_ID result = AMDGPU_UCODE_ID_MAXIMUM; + + switch (fw_type) { + case CGS_UCODE_ID_SDMA0: + result = AMDGPU_UCODE_ID_SDMA0; + break; + case CGS_UCODE_ID_SDMA1: + result = AMDGPU_UCODE_ID_SDMA1; + break; + case CGS_UCODE_ID_CP_CE: + result = AMDGPU_UCODE_ID_CP_CE; + break; + case CGS_UCODE_ID_CP_PFP: + result = AMDGPU_UCODE_ID_CP_PFP; + break; + case CGS_UCODE_ID_CP_ME: + result = AMDGPU_UCODE_ID_CP_ME; + break; + case CGS_UCODE_ID_CP_MEC: + case CGS_UCODE_ID_CP_MEC_JT1: + result = AMDGPU_UCODE_ID_CP_MEC1; + break; + case CGS_UCODE_ID_CP_MEC_JT2: + if (adev->asic_type == CHIP_TONGA) + result = AMDGPU_UCODE_ID_CP_MEC2; + else if (adev->asic_type == CHIP_CARRIZO) + result = AMDGPU_UCODE_ID_CP_MEC1; + break; + case CGS_UCODE_ID_RLC_G: + result = AMDGPU_UCODE_ID_RLC_G; + break; + default: + DRM_ERROR("Firmware type not supported\n"); + } + return result; +} + +static int amdgpu_cgs_get_firmware_info(void *cgs_device, + enum cgs_ucode_id type, + struct cgs_firmware_info *info) +{ + CGS_FUNC_ADEV; + + if (CGS_UCODE_ID_SMU != type) { + uint64_t gpu_addr; + uint32_t data_size; + const struct gfx_firmware_header_v1_0 *header; + enum AMDGPU_UCODE_ID id; + struct amdgpu_firmware_info *ucode; + + id = fw_type_convert(cgs_device, type); + ucode = &adev->firmware.ucode[id]; + if (ucode->fw == NULL) + return -EINVAL; + + gpu_addr = ucode->mc_addr; + header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data; + data_size = le32_to_cpu(header->header.ucode_size_bytes); + + if ((type == CGS_UCODE_ID_CP_MEC_JT1) || + (type == CGS_UCODE_ID_CP_MEC_JT2)) { + gpu_addr += le32_to_cpu(header->jt_offset) << 2; + data_size = le32_to_cpu(header->jt_size) << 2; + } + info->mc_addr = gpu_addr; + info->image_size = data_size; + info->version = (uint16_t)le32_to_cpu(header->header.ucode_version); + info->feature_version = (uint16_t)le32_to_cpu(header->ucode_feature_version); + } else { + char fw_name[30] = {0}; + int err = 0; + uint32_t ucode_size; + uint32_t ucode_start_address; + const uint8_t *src; + const struct smc_firmware_header_v1_0 *hdr; + + switch (adev->asic_type) { + case CHIP_TONGA: + strcpy(fw_name, "amdgpu/tonga_smc.bin"); + break; + case CHIP_FIJI: + strcpy(fw_name, "amdgpu/fiji_smc.bin"); + break; + default: + DRM_ERROR("SMC firmware not supported\n"); + return -EINVAL; + } + + err = request_firmware(&adev->pm.fw, fw_name, adev->dev); + if (err) { + DRM_ERROR("Failed to request firmware\n"); + return err; + } + + err = amdgpu_ucode_validate(adev->pm.fw); + if (err) { + DRM_ERROR("Failed to load firmware \"%s\"", fw_name); + release_firmware(adev->pm.fw); + adev->pm.fw = NULL; + return err; + } + + hdr = (const struct smc_firmware_header_v1_0 *) adev->pm.fw->data; + adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version); + ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes); + ucode_start_address = le32_to_cpu(hdr->ucode_start_addr); + src = (const uint8_t *)(adev->pm.fw->data + + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); + + info->version = adev->pm.fw_version; + info->image_size = ucode_size; + info->kptr = (void *)src; + } + return 0; +} + +static int amdgpu_cgs_query_system_info(void *cgs_device, + struct cgs_system_info *sys_info) +{ + CGS_FUNC_ADEV; + + if (NULL == sys_info) + return -ENODEV; + + if (sizeof(struct cgs_system_info) != sys_info->size) + return -ENODEV; + + switch (sys_info->info_id) { + case CGS_SYSTEM_INFO_ADAPTER_BDF_ID: + sys_info->value = adev->pdev->devfn | (adev->pdev->bus->number << 8); + break; + case CGS_SYSTEM_INFO_PCIE_GEN_INFO: + sys_info->value = adev->pm.pcie_gen_mask; + break; + case CGS_SYSTEM_INFO_PCIE_MLW: + sys_info->value = adev->pm.pcie_mlw_mask; + break; + default: + return -ENODEV; + } + + return 0; +} + +static int amdgpu_cgs_get_active_displays_info(void *cgs_device, + struct cgs_display_info *info) +{ + CGS_FUNC_ADEV; + struct amdgpu_crtc *amdgpu_crtc; + struct drm_device *ddev = adev->ddev; + struct drm_crtc *crtc; + uint32_t line_time_us, vblank_lines; + + if (info == NULL) + return -EINVAL; + + if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) { + list_for_each_entry(crtc, + &ddev->mode_config.crtc_list, head) { + amdgpu_crtc = to_amdgpu_crtc(crtc); + if (crtc->enabled) { + info->active_display_mask |= (1 << amdgpu_crtc->crtc_id); + info->display_count++; + } + if (info->mode_info != NULL && + crtc->enabled && amdgpu_crtc->enabled && + amdgpu_crtc->hw_mode.clock) { + line_time_us = (amdgpu_crtc->hw_mode.crtc_htotal * 1000) / + amdgpu_crtc->hw_mode.clock; + vblank_lines = amdgpu_crtc->hw_mode.crtc_vblank_end - + amdgpu_crtc->hw_mode.crtc_vdisplay + + (amdgpu_crtc->v_border * 2); + info->mode_info->vblank_time_us = vblank_lines * line_time_us; + info->mode_info->refresh_rate = drm_mode_vrefresh(&amdgpu_crtc->hw_mode); + info->mode_info->ref_clock = adev->clock.spll.reference_freq; + info->mode_info++; + } + } + } + + return 0; +} + +/** \brief evaluate acpi namespace object, handle or pathname must be valid + * \param cgs_device + * \param info input/output arguments for the control method + * \return status + */ + +#if defined(CONFIG_ACPI) +static int amdgpu_cgs_acpi_eval_object(void *cgs_device, + struct cgs_acpi_method_info *info) +{ + CGS_FUNC_ADEV; + acpi_handle handle; + struct acpi_object_list input; + struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *params = NULL; + union acpi_object *obj = NULL; + uint8_t name[5] = {'\0'}; + struct cgs_acpi_method_argument *argument = NULL; + uint32_t i, count; + acpi_status status; + int result; + uint32_t func_no = 0xFFFFFFFF; + + handle = ACPI_HANDLE(&adev->pdev->dev); + if (!handle) + return -ENODEV; + + memset(&input, 0, sizeof(struct acpi_object_list)); + + /* validate input info */ + if (info->size != sizeof(struct cgs_acpi_method_info)) + return -EINVAL; + + input.count = info->input_count; + if (info->input_count > 0) { + if (info->pinput_argument == NULL) + return -EINVAL; + argument = info->pinput_argument; + func_no = argument->value; + for (i = 0; i < info->input_count; i++) { + if (((argument->type == ACPI_TYPE_STRING) || + (argument->type == ACPI_TYPE_BUFFER)) && + (argument->pointer == NULL)) + return -EINVAL; + argument++; + } + } + + if (info->output_count > 0) { + if (info->poutput_argument == NULL) + return -EINVAL; + argument = info->poutput_argument; + for (i = 0; i < info->output_count; i++) { + if (((argument->type == ACPI_TYPE_STRING) || + (argument->type == ACPI_TYPE_BUFFER)) + && (argument->pointer == NULL)) + return -EINVAL; + argument++; + } + } + + /* The path name passed to acpi_evaluate_object should be null terminated */ + if ((info->field & CGS_ACPI_FIELD_METHOD_NAME) != 0) { + strncpy(name, (char *)&(info->name), sizeof(uint32_t)); + name[4] = '\0'; + } + + /* parse input parameters */ + if (input.count > 0) { + input.pointer = params = + kzalloc(sizeof(union acpi_object) * input.count, GFP_KERNEL); + if (params == NULL) + return -EINVAL; + + argument = info->pinput_argument; + + for (i = 0; i < input.count; i++) { + params->type = argument->type; + switch (params->type) { + case ACPI_TYPE_INTEGER: + params->integer.value = argument->value; + break; + case ACPI_TYPE_STRING: + params->string.length = argument->method_length; + params->string.pointer = argument->pointer; + break; + case ACPI_TYPE_BUFFER: + params->buffer.length = argument->method_length; + params->buffer.pointer = argument->pointer; + break; + default: + break; + } + params++; + argument++; + } + } + + /* parse output info */ + count = info->output_count; + argument = info->poutput_argument; + + /* evaluate the acpi method */ + status = acpi_evaluate_object(handle, name, &input, &output); + + if (ACPI_FAILURE(status)) { + result = -EIO; + goto error; + } + + /* return the output info */ + obj = output.pointer; + + if (count > 1) { + if ((obj->type != ACPI_TYPE_PACKAGE) || + (obj->package.count != count)) { + result = -EIO; + goto error; + } + params = obj->package.elements; + } else + params = obj; + + if (params == NULL) { + result = -EIO; + goto error; + } + + for (i = 0; i < count; i++) { + if (argument->type != params->type) { + result = -EIO; + goto error; + } + switch (params->type) { + case ACPI_TYPE_INTEGER: + argument->value = params->integer.value; + break; + case ACPI_TYPE_STRING: + if ((params->string.length != argument->data_length) || + (params->string.pointer == NULL)) { + result = -EIO; + goto error; + } + strncpy(argument->pointer, + params->string.pointer, + params->string.length); + break; + case ACPI_TYPE_BUFFER: + if (params->buffer.pointer == NULL) { + result = -EIO; + goto error; + } + memcpy(argument->pointer, + params->buffer.pointer, + argument->data_length); + break; + default: + break; + } + argument++; + params++; + } + +error: + if (obj != NULL) + kfree(obj); + kfree((void *)input.pointer); + return result; +} +#else +static int amdgpu_cgs_acpi_eval_object(void *cgs_device, + struct cgs_acpi_method_info *info) +{ + return -EIO; +} +#endif + +int amdgpu_cgs_call_acpi_method(void *cgs_device, + uint32_t acpi_method, + uint32_t acpi_function, + void *pinput, void *poutput, + uint32_t output_count, + uint32_t input_size, + uint32_t output_size) +{ + struct cgs_acpi_method_argument acpi_input[2] = { {0}, {0} }; + struct cgs_acpi_method_argument acpi_output = {0}; + struct cgs_acpi_method_info info = {0}; + + acpi_input[0].type = CGS_ACPI_TYPE_INTEGER; + acpi_input[0].method_length = sizeof(uint32_t); + acpi_input[0].data_length = sizeof(uint32_t); + acpi_input[0].value = acpi_function; + + acpi_input[1].type = CGS_ACPI_TYPE_BUFFER; + acpi_input[1].method_length = CGS_ACPI_MAX_BUFFER_SIZE; + acpi_input[1].data_length = input_size; + acpi_input[1].pointer = pinput; + + acpi_output.type = CGS_ACPI_TYPE_BUFFER; + acpi_output.method_length = CGS_ACPI_MAX_BUFFER_SIZE; + acpi_output.data_length = output_size; + acpi_output.pointer = poutput; + + info.size = sizeof(struct cgs_acpi_method_info); + info.field = CGS_ACPI_FIELD_METHOD_NAME | CGS_ACPI_FIELD_INPUT_ARGUMENT_COUNT; + info.input_count = 2; + info.name = acpi_method; + info.pinput_argument = acpi_input; + info.output_count = output_count; + info.poutput_argument = &acpi_output; + + return amdgpu_cgs_acpi_eval_object(cgs_device, &info); +} + +static const struct cgs_ops amdgpu_cgs_ops = { + amdgpu_cgs_gpu_mem_info, + amdgpu_cgs_gmap_kmem, + amdgpu_cgs_gunmap_kmem, + amdgpu_cgs_alloc_gpu_mem, + amdgpu_cgs_free_gpu_mem, + amdgpu_cgs_gmap_gpu_mem, + amdgpu_cgs_gunmap_gpu_mem, + amdgpu_cgs_kmap_gpu_mem, + amdgpu_cgs_kunmap_gpu_mem, + amdgpu_cgs_read_register, + amdgpu_cgs_write_register, + amdgpu_cgs_read_ind_register, + amdgpu_cgs_write_ind_register, + amdgpu_cgs_read_pci_config_byte, + amdgpu_cgs_read_pci_config_word, + amdgpu_cgs_read_pci_config_dword, + amdgpu_cgs_write_pci_config_byte, + amdgpu_cgs_write_pci_config_word, + amdgpu_cgs_write_pci_config_dword, + amdgpu_cgs_get_pci_resource, + amdgpu_cgs_atom_get_data_table, + amdgpu_cgs_atom_get_cmd_table_revs, + amdgpu_cgs_atom_exec_cmd_table, + amdgpu_cgs_create_pm_request, + amdgpu_cgs_destroy_pm_request, + amdgpu_cgs_set_pm_request, + amdgpu_cgs_pm_request_clock, + amdgpu_cgs_pm_request_engine, + amdgpu_cgs_pm_query_clock_limits, + amdgpu_cgs_set_camera_voltages, + amdgpu_cgs_get_firmware_info, + amdgpu_cgs_set_powergating_state, + amdgpu_cgs_set_clockgating_state, + amdgpu_cgs_get_active_displays_info, + amdgpu_cgs_call_acpi_method, + amdgpu_cgs_query_system_info, +}; + +static const struct cgs_os_ops amdgpu_cgs_os_ops = { + amdgpu_cgs_add_irq_source, + amdgpu_cgs_irq_get, + amdgpu_cgs_irq_put +}; + +void *amdgpu_cgs_create_device(struct amdgpu_device *adev) +{ + struct amdgpu_cgs_device *cgs_device = + kmalloc(sizeof(*cgs_device), GFP_KERNEL); + + if (!cgs_device) { + DRM_ERROR("Couldn't allocate CGS device structure\n"); + return NULL; + } + + cgs_device->base.ops = &amdgpu_cgs_ops; + cgs_device->base.os_ops = &amdgpu_cgs_os_ops; + cgs_device->adev = adev; + + return cgs_device; +} + +void amdgpu_cgs_destroy_device(void *cgs_device) +{ + kfree(cgs_device); +} |