[PATCH 2/4] drm/amdgpu: add init microcode function for psp v10

[Junwei Zhang]

Signed-off-by: Junwei Zhang <Jerry.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c |  1 +
 drivers/gpu/drm/amd/amdgpu/psp_v10_0.c  | 46 +++++++++++++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/psp_v10_0.h  |  1 +
 3 files changed, 48 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 71ce3ee..dc95633 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -63,6 +63,7 @@ static int psp_sw_init(void *handle)
 		psp->smu_reload_quirk = psp_v3_1_smu_reload_quirk;
 		break;
 	case CHIP_RAVEN:
+		psp->init_microcode = psp_v10_0_init_microcode;
 		psp->prep_cmd_buf = psp_v10_0_prep_cmd_buf;
 		psp->ring_init = psp_v10_0_ring_init;
 		psp->cmd_submit = psp_v10_0_cmd_submit;
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
index 328c6f5..7513f9c 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
@@ -87,6 +87,52 @@
 	return 0;
 }
 
+int psp_v10_0_init_microcode(struct psp_context *psp)
+{
+	struct amdgpu_device *adev = psp->adev;
+	const char *chip_name;
+	char fw_name[30];
+	int err = 0;
+	const struct psp_firmware_header_v1_0 *hdr;
+
+	DRM_DEBUG("\n");
+
+	switch (adev->asic_type) {
+	case CHIP_RAVEN:
+		chip_name = "raven";
+		break;
+	default: BUG();
+	}
+
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
+	err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
+	if (err)
+		goto out;
+
+	err = amdgpu_ucode_validate(adev->psp.asd_fw);
+	if (err)
+		goto out;
+
+	hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
+	adev->psp.asd_fw_version = le32_to_cpu(hdr->header.ucode_version);
+	adev->psp.asd_feature_version = le32_to_cpu(hdr->ucode_feature_version);
+	adev->psp.asd_ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
+	adev->psp.asd_start_addr = (uint8_t *)hdr +
+				le32_to_cpu(hdr->header.ucode_array_offset_bytes);
+
+	return 0;
+out:
+	if (err) {
+		dev_err(adev->dev,
+			"psp v10.0: Failed to load firmware \"%s\"\n",
+			fw_name);
+		release_firmware(adev->psp.asd_fw);
+		adev->psp.asd_fw = NULL;
+	}
+
+	return err;
+}
+
 int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd_resp *cmd)
 {
 	int ret;
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.h b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.h
index 2022b7b..2f5a314e 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.h
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.h
@@ -27,6 +27,7 @@
 
 #include "amdgpu_psp.h"
 
+extern int psp_v10_0_init_microcode(struct psp_context *psp);
 extern int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode,
 				 struct psp_gfx_cmd_resp *cmd);
 extern int psp_v10_0_ring_init(struct psp_context *psp,
-- 
1.9.1