Commit ed19a9a2 authored by Bhawanpreet Lakha's avatar Bhawanpreet Lakha Committed by Alex Deucher

drm/amdgpu: psp HDCP init

This patch adds
-Loading the firmware
-The functions and definitions for communication with the firmware

v2: Fix formatting
Signed-off-by: default avatarBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent bb2746ac
......@@ -767,6 +767,181 @@ static int psp_ras_initialize(struct psp_context *psp)
}
// ras end
// HDCP start
static void psp_prep_hdcp_ta_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint64_t hdcp_ta_mc,
uint64_t hdcp_mc_shared,
uint32_t hdcp_ta_size,
uint32_t shared_size)
{
cmd->cmd_id = GFX_CMD_ID_LOAD_TA;
cmd->cmd.cmd_load_ta.app_phy_addr_lo = lower_32_bits(hdcp_ta_mc);
cmd->cmd.cmd_load_ta.app_phy_addr_hi = upper_32_bits(hdcp_ta_mc);
cmd->cmd.cmd_load_ta.app_len = hdcp_ta_size;
cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_lo =
lower_32_bits(hdcp_mc_shared);
cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_hi =
upper_32_bits(hdcp_mc_shared);
cmd->cmd.cmd_load_ta.cmd_buf_len = shared_size;
}
static int psp_hdcp_init_shared_buf(struct psp_context *psp)
{
int ret;
/*
* Allocate 16k memory aligned to 4k from Frame Buffer (local
* physical) for hdcp ta <-> Driver
*/
ret = amdgpu_bo_create_kernel(psp->adev, PSP_HDCP_SHARED_MEM_SIZE,
PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
&psp->hdcp_context.hdcp_shared_bo,
&psp->hdcp_context.hdcp_shared_mc_addr,
&psp->hdcp_context.hdcp_shared_buf);
return ret;
}
static int psp_hdcp_load(struct psp_context *psp)
{
int ret;
struct psp_gfx_cmd_resp *cmd;
/*
* TODO: bypass the loading in sriov for now
*/
if (amdgpu_sriov_vf(psp->adev))
return 0;
cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
if (!cmd)
return -ENOMEM;
memset(psp->fw_pri_buf, 0, PSP_1_MEG);
memcpy(psp->fw_pri_buf, psp->ta_hdcp_start_addr,
psp->ta_hdcp_ucode_size);
psp_prep_hdcp_ta_load_cmd_buf(cmd, psp->fw_pri_mc_addr,
psp->hdcp_context.hdcp_shared_mc_addr,
psp->ta_hdcp_ucode_size,
PSP_HDCP_SHARED_MEM_SIZE);
ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
if (!ret) {
psp->hdcp_context.hdcp_initialized = 1;
psp->hdcp_context.session_id = cmd->resp.session_id;
}
kfree(cmd);
return ret;
}
static int psp_hdcp_initialize(struct psp_context *psp)
{
int ret;
if (!psp->hdcp_context.hdcp_initialized) {
ret = psp_hdcp_init_shared_buf(psp);
if (ret)
return ret;
}
ret = psp_hdcp_load(psp);
if (ret)
return ret;
return 0;
}
static void psp_prep_hdcp_ta_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint32_t hdcp_session_id)
{
cmd->cmd_id = GFX_CMD_ID_UNLOAD_TA;
cmd->cmd.cmd_unload_ta.session_id = hdcp_session_id;
}
static int psp_hdcp_unload(struct psp_context *psp)
{
int ret;
struct psp_gfx_cmd_resp *cmd;
/*
* TODO: bypass the unloading in sriov for now
*/
if (amdgpu_sriov_vf(psp->adev))
return 0;
cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
if (!cmd)
return -ENOMEM;
psp_prep_hdcp_ta_unload_cmd_buf(cmd, psp->hdcp_context.session_id);
ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
kfree(cmd);
return ret;
}
static void psp_prep_hdcp_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint32_t ta_cmd_id,
uint32_t hdcp_session_id)
{
cmd->cmd_id = GFX_CMD_ID_INVOKE_CMD;
cmd->cmd.cmd_invoke_cmd.session_id = hdcp_session_id;
cmd->cmd.cmd_invoke_cmd.ta_cmd_id = ta_cmd_id;
/* Note: cmd_invoke_cmd.buf is not used for now */
}
int psp_hdcp_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
{
int ret;
struct psp_gfx_cmd_resp *cmd;
/*
* TODO: bypass the loading in sriov for now
*/
if (amdgpu_sriov_vf(psp->adev))
return 0;
cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
if (!cmd)
return -ENOMEM;
psp_prep_hdcp_ta_invoke_cmd_buf(cmd, ta_cmd_id,
psp->hdcp_context.session_id);
ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
kfree(cmd);
return ret;
}
static int psp_hdcp_terminate(struct psp_context *psp)
{
int ret;
if (!psp->hdcp_context.hdcp_initialized)
return 0;
ret = psp_hdcp_unload(psp);
if (ret)
return ret;
psp->hdcp_context.hdcp_initialized = 0;
/* free hdcp shared memory */
amdgpu_bo_free_kernel(&psp->hdcp_context.hdcp_shared_bo,
&psp->hdcp_context.hdcp_shared_mc_addr,
&psp->hdcp_context.hdcp_shared_buf);
return 0;
}
// HDCP end
static int psp_hw_start(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
......@@ -840,6 +1015,11 @@ static int psp_hw_start(struct psp_context *psp)
if (ret)
dev_err(psp->adev->dev,
"RAS: Failed to initialize RAS\n");
ret = psp_hdcp_initialize(psp);
if (ret)
dev_err(psp->adev->dev,
"HDCP: Failed to initialize HDCP\n");
}
return 0;
......@@ -1205,8 +1385,10 @@ static int psp_hw_fini(void *handle)
psp->xgmi_context.initialized == 1)
psp_xgmi_terminate(psp);
if (psp->adev->psp.ta_fw)
if (psp->adev->psp.ta_fw) {
psp_ras_terminate(psp);
psp_hdcp_terminate(psp);
}
psp_ring_destroy(psp, PSP_RING_TYPE__KM);
......@@ -1248,6 +1430,11 @@ static int psp_suspend(void *handle)
DRM_ERROR("Failed to terminate ras ta\n");
return ret;
}
ret = psp_hdcp_terminate(psp);
if (ret) {
DRM_ERROR("Failed to terminate hdcp ta\n");
return ret;
}
}
ret = psp_ring_stop(psp, PSP_RING_TYPE__KM);
......
......@@ -37,6 +37,8 @@
#define PSP_RAS_SHARED_MEM_SIZE 0x4000
#define PSP_1_MEG 0x100000
#define PSP_TMR_SIZE 0x400000
#define PSP_HDCP_SHARED_MEM_SIZE 0x4000
#define PSP_SHARED_MEM_SIZE 0x4000
struct psp_context;
struct psp_xgmi_node_info;
......@@ -142,6 +144,14 @@ struct psp_ras_context {
struct amdgpu_ras *ras;
};
struct psp_hdcp_context {
bool hdcp_initialized;
uint32_t session_id;
struct amdgpu_bo *hdcp_shared_bo;
uint64_t hdcp_shared_mc_addr;
void *hdcp_shared_buf;
};
struct psp_context
{
struct amdgpu_device *adev;
......@@ -206,8 +216,14 @@ struct psp_context
uint32_t ta_ras_ucode_version;
uint32_t ta_ras_ucode_size;
uint8_t *ta_ras_start_addr;
uint32_t ta_hdcp_ucode_version;
uint32_t ta_hdcp_ucode_size;
uint8_t *ta_hdcp_start_addr;
struct psp_xgmi_context xgmi_context;
struct psp_ras_context ras;
struct psp_hdcp_context hdcp_context;
struct mutex mutex;
};
......@@ -279,6 +295,7 @@ int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
int psp_ras_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
int psp_ras_enable_features(struct psp_context *psp,
union ta_ras_cmd_input *info, bool enable);
int psp_hdcp_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
int psp_rlc_autoload_start(struct psp_context *psp);
......
......@@ -108,6 +108,9 @@ struct ta_firmware_header_v1_0 {
uint32_t ta_ras_ucode_version;
uint32_t ta_ras_offset_bytes;
uint32_t ta_ras_size_bytes;
uint32_t ta_hdcp_ucode_version;
uint32_t ta_hdcp_offset_bytes;
uint32_t ta_hdcp_size_bytes;
};
/* version_major=1, version_minor=0 */
......
......@@ -48,7 +48,7 @@ static int psp_v10_0_init_microcode(struct psp_context *psp)
char fw_name[30];
int err = 0;
const struct psp_firmware_header_v1_0 *hdr;
const struct ta_firmware_header_v1_0 *ta_hdr;
DRM_DEBUG("\n");
switch (adev->asic_type) {
......@@ -79,7 +79,38 @@ static int psp_v10_0_init_microcode(struct psp_context *psp)
adev->psp.asd_start_addr = (uint8_t *)hdr +
le32_to_cpu(hdr->header.ucode_array_offset_bytes);
snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
if (err) {
release_firmware(adev->psp.ta_fw);
adev->psp.ta_fw = NULL;
dev_info(adev->dev,
"psp v10.0: Failed to load firmware \"%s\"\n",
fw_name);
} else {
err = amdgpu_ucode_validate(adev->psp.ta_fw);
if (err)
goto out2;
ta_hdr = (const struct ta_firmware_header_v1_0 *)
adev->psp.ta_fw->data;
adev->psp.ta_hdcp_ucode_version =
le32_to_cpu(ta_hdr->ta_hdcp_ucode_version);
adev->psp.ta_hdcp_ucode_size =
le32_to_cpu(ta_hdr->ta_hdcp_size_bytes);
adev->psp.ta_hdcp_start_addr =
(uint8_t *)ta_hdr +
le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
adev->psp.ta_fw_version =
le32_to_cpu(ta_hdr->header.ucode_version);
}
return 0;
out2:
release_firmware(adev->psp.ta_fw);
adev->psp.ta_fw = NULL;
out:
if (err) {
dev_err(adev->dev,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment