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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c838
1 files changed, 838 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..6b1243f9f86d
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -0,0 +1,838 @@
+/*
+ * 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 <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, &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, &obj);
+ if (ret) {
+ DRM_ERROR("(%d) bo create failed\n", ret);
+ return ret;
+ }
+ *handle = (cgs_handle_t)obj;
+
+ return ret;
+}
+
+static int amdgpu_cgs_import_gpu_mem(void *cgs_device, int dmabuf_fd,
+ cgs_handle_t *handle)
+{
+ CGS_FUNC_ADEV;
+ int r;
+ uint32_t dma_handle;
+ struct drm_gem_object *obj;
+ struct amdgpu_bo *bo;
+ struct drm_device *dev = adev->ddev;
+ struct drm_file *file_priv = NULL, *priv;
+
+ mutex_lock(&dev->struct_mutex);
+ list_for_each_entry(priv, &dev->filelist, lhead) {
+ rcu_read_lock();
+ if (priv->pid == get_pid(task_pid(current)))
+ file_priv = priv;
+ rcu_read_unlock();
+ if (file_priv)
+ break;
+ }
+ mutex_unlock(&dev->struct_mutex);
+ r = dev->driver->prime_fd_to_handle(dev,
+ file_priv, dmabuf_fd,
+ &dma_handle);
+ spin_lock(&file_priv->table_lock);
+
+ /* Check if we currently have a reference on the object */
+ obj = idr_find(&file_priv->object_idr, dma_handle);
+ if (obj == NULL) {
+ spin_unlock(&file_priv->table_lock);
+ return -EINVAL;
+ }
+ spin_unlock(&file_priv->table_lock);
+ bo = gem_to_amdgpu_bo(obj);
+ *handle = (cgs_handle_t)bo;
+ return 0;
+}
+
+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 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;
+ 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 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_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
+};
+
+static const struct cgs_os_ops amdgpu_cgs_os_ops = {
+ amdgpu_cgs_import_gpu_mem,
+ 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);
+}