gpu: nvgpu: Add abstraction for firmware loading

Add nvgpu_firmware data structure, and return it instead of Linux
struct firmare from nvgpu_request_firmware. Also add abstraction
for releasing firmware: nvgpu_release_firmware.

JIRA NVGPU-16

Change-Id: I6dae8262957c0d4506f710289e3a43a6c1729fc7
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1463538
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/acr/nvgpu_acr.h b/drivers/gpu/nvgpu/include/nvgpu/acr/nvgpu_acr.h
index 6991a0ba..3844362d 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/acr/nvgpu_acr.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/acr/nvgpu_acr.h
@@ -21,6 +21,8 @@
 #include "acr_objlsfm.h"
 #include "acr_objflcn.h"
 
+struct nvgpu_firmware;
+
 #define MAX_SUPPORTED_LSFM 3 /*PMU, FECS, GPCCS*/
 
 #define ACR_COMPLETION_TIMEOUT_MS 10000 /*in msec */
@@ -74,20 +76,20 @@ struct acr_desc {
         struct bin_hdr *hsbin_hdr;
         struct acr_fw_header *fw_hdr;
         u32 pmu_args;
-        const struct firmware *acr_fw;
+        struct nvgpu_firmware *acr_fw;
         union{
                 struct flcn_acr_desc *acr_dmem_desc;
                 struct flcn_acr_desc_v1 *acr_dmem_desc_v1;
         };
         struct nvgpu_mem acr_ucode;
-        const struct firmware *hsbl_fw;
+        struct nvgpu_firmware *hsbl_fw;
         struct nvgpu_mem hsbl_ucode;
         union {
                 struct flcn_bl_dmem_desc bl_dmem_desc;
                 struct flcn_bl_dmem_desc_v1 bl_dmem_desc_v1;
         };
-        const struct firmware *pmu_fw;
-        const struct firmware *pmu_desc;
+        struct nvgpu_firmware *pmu_fw;
+        struct nvgpu_firmware *pmu_desc;
         u32 capabilities;
 };