u32 send_rtac_asm_apr(void *buf, u32 opcode)
{
s32 result;
u32 user_buf_size = 0;
u32 bytes_returned = 0;
u32 session_id = 0;
u32 payload_size;
u32 data_size = 0;
struct apr_hdr asm_params;
pr_debug("%s\n", __func__);
if (rtac_cal[ASM_RTAC_CAL].map_data.ion_handle == NULL) {
result = rtac_allocate_cal_buffer(ASM_RTAC_CAL);
if (result < 0) {
pr_err("%s: allocate buffer failed!",
__func__);
goto done;
}
}
if (rtac_cal[ASM_RTAC_CAL].map_data.map_handle == 0) {
result = rtac_map_cal_buffer(ASM_RTAC_CAL);
if (result < 0) {
pr_err("%s: map buffer failed!",
__func__);
goto done;
}
}
if (copy_from_user(&user_buf_size, (void *)buf,
sizeof(user_buf_size))) {
pr_err("%s: Copy from user failed! buf = 0x%x\n",
__func__, (unsigned int)buf);
goto done;
}
if (user_buf_size <= 0) {
pr_err("%s: Invalid buffer size = %d\n",
__func__, user_buf_size);
goto done;
}
if (copy_from_user(&payload_size, buf + sizeof(u32), sizeof(u32))) {
pr_err("%s: Could not copy payload size from user buffer\n",
__func__);
goto done;
}
if (copy_from_user(&session_id, buf + 2 * sizeof(u32), sizeof(u32))) {
pr_err("%s: Could not copy session id from user buffer\n",
__func__);
goto done;
}
if (session_id >= (SESSION_MAX + 1)) {
pr_err("%s: Invalid Session = %d\n", __func__, session_id);
goto done;
}
mutex_lock(&rtac_asm_apr_mutex);
if (rtac_asm_apr_data[session_id].apr_handle == NULL) {
pr_err("%s: APR not initialized\n", __func__);
goto err;
}
if (opcode == ASM_STREAM_CMD_SET_PP_PARAMS_V2) {
data_size = payload_size - 4 * sizeof(u32);
if (data_size > rtac_cal[ASM_RTAC_CAL].map_data.map_size) {
pr_err("%s: Invalid data size = %d\n",
__func__, data_size);
goto err;
}
payload_size = 4 * sizeof(u32);
if (copy_from_user((void *)
rtac_cal[ASM_RTAC_CAL].cal_data.kvaddr,
buf + 7 * sizeof(u32), data_size)) {
pr_err("%s: Could not copy payload from user buffer\n",
__func__);
goto err;
}
rtac_asm_buffer[8] = data_size;
} else {
if (payload_size > MAX_PAYLOAD_SIZE) {
pr_err("%s: Invalid payload size = %d\n",
__func__, payload_size);
goto err;
}
if (copy_from_user(rtac_asm_buffer +
sizeof(asm_params)/sizeof(u32),
buf + 3 * sizeof(u32), payload_size)) {
pr_err("%s: Could not copy payload from user buffer\n",
__func__);
goto err;
}
}
asm_params.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(20), APR_PKT_VER);
asm_params.pkt_size = APR_PKT_SIZE(APR_HDR_SIZE,
payload_size);
asm_params.src_svc = q6asm_get_apr_service_id(session_id);
if (asm_params.src_svc == -EINVAL) {
pr_err("%s: Could not get service id form session %d", __func__, session_id);
goto err;
}
asm_params.src_domain = APR_DOMAIN_APPS;
asm_params.src_port = (session_id << 8) | 0x0001;
asm_params.dest_svc = APR_SVC_ASM;
asm_params.dest_domain = APR_DOMAIN_ADSP;
asm_params.dest_port = (session_id << 8) | 0x0001;
asm_params.token = session_id;
asm_params.opcode = opcode;
rtac_asm_buffer[5] = rtac_cal[ASM_RTAC_CAL].cal_data.paddr;
rtac_asm_buffer[6] = 0;
rtac_asm_buffer[7] = rtac_cal[ASM_RTAC_CAL].map_data.map_handle;
memcpy(rtac_asm_buffer, &asm_params, sizeof(asm_params));
atomic_set(&rtac_asm_apr_data[session_id].cmd_state, 1);
pr_debug("%s: Sending RTAC command ioctl 0x%x, paddr 0x%x\n",
__func__, opcode,
rtac_cal[ASM_RTAC_CAL].cal_data.paddr);
result = apr_send_pkt(rtac_asm_apr_data[session_id].apr_handle,
(uint32_t *)rtac_asm_buffer);
if (result < 0) {
pr_err("%s: Set params failed session = %d\n",
__func__, session_id);
goto err;
}
result = wait_event_timeout(rtac_asm_apr_data[session_id].cmd_wait,
(atomic_read(&rtac_asm_apr_data[session_id].cmd_state) == 0),
5 * HZ);
if (!result) {
pr_err("%s: Set params timed out session = %d\n",
__func__, session_id);
goto err;
}
if (atomic_read(&rtac_common.apr_err_code)) {
pr_err("%s: DSP returned error code = %d, opcode = 0x%x\n",
__func__, atomic_read(&rtac_common.apr_err_code),
opcode);
goto err;
}
if (opcode == ASM_STREAM_CMD_GET_PP_PARAMS_V2) {
bytes_returned = ((u32 *)rtac_cal[ASM_RTAC_CAL].cal_data.
kvaddr)[2] + 3 * sizeof(u32);
if (bytes_returned > user_buf_size) {
pr_err("%s: User buf not big enough, size = 0x%x, returned size = 0x%x\n",
__func__, user_buf_size, bytes_returned);
goto err;
}
if (copy_to_user(buf, (void *)
rtac_cal[ASM_RTAC_CAL].cal_data.kvaddr,
bytes_returned)) {
pr_err("%s: Could not copy buffer to user,size = %d\n",
__func__, bytes_returned);
goto err;
}
} else {
bytes_returned = data_size;
}
err:
mutex_unlock(&rtac_asm_apr_mutex);
done:
return bytes_returned;
}
u32 send_rtac_asm_apr(void *buf, u32 opcode)
{
s32 result;
u32 count = 0;
u32 bytes_returned = 0;
u32 session_id = 0;
u32 payload_size;
struct apr_hdr asm_params;
pr_debug("%s\n", __func__);
if (copy_from_user(&count, (void *)buf, sizeof(count))) {
pr_err("%s: Copy to user failed! buf = 0x%x\n",
__func__, (unsigned int)buf);
result = -EFAULT;
goto done;
}
if (count <= 0) {
pr_err("%s: Invalid buffer size = %d\n", __func__, count);
goto done;
}
if (copy_from_user(&payload_size, buf + sizeof(u32), sizeof(u32))) {
pr_err("%s: Could not copy payload size from user buffer\n",
__func__);
goto done;
}
if (payload_size > MAX_PAYLOAD_SIZE) {
pr_err("%s: Invalid payload size = %d\n",
__func__, payload_size);
goto done;
}
if (copy_from_user(&session_id, buf + 2 * sizeof(u32), sizeof(u32))) {
pr_err("%s: Could not copy session id from user buffer\n",
__func__);
goto done;
}
if (session_id > (SESSION_MAX + 1)) {
pr_err("%s: Invalid Session = %d\n", __func__, session_id);
goto done;
}
mutex_lock(&rtac_asm_apr_mutex);
if (session_id < SESSION_MAX+1) {
if (rtac_asm_apr_data[session_id].apr_handle == NULL) {
pr_err("%s: APR not initialized\n", __func__);
goto err;
}
}
rtac_asm_user_buf_size = count;
if (copy_from_user(rtac_asm_buffer + sizeof(asm_params),
buf + 3 * sizeof(u32), payload_size)) {
pr_err("%s: Could not copy payload from user buffer\n",
__func__);
goto err;
}
asm_params.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(20), APR_PKT_VER);
asm_params.pkt_size = APR_PKT_SIZE(APR_HDR_SIZE,
payload_size);
asm_params.src_svc = q6asm_get_apr_service_id(session_id);
asm_params.src_domain = APR_DOMAIN_APPS;
asm_params.src_port = (session_id << 8) | 0x0001;
asm_params.dest_svc = APR_SVC_ASM;
asm_params.dest_domain = APR_DOMAIN_ADSP;
asm_params.dest_port = (session_id << 8) | 0x0001;
asm_params.token = session_id;
asm_params.opcode = opcode;
memcpy(rtac_asm_buffer, &asm_params, sizeof(asm_params));
if (session_id < SESSION_MAX+1)
atomic_set(&rtac_asm_apr_data[session_id].cmd_state, 1);
pr_debug("%s: Sending RTAC command size = %d, session_id=%d\n",
__func__, asm_params.pkt_size, session_id);
result = apr_send_pkt(rtac_asm_apr_data[session_id].apr_handle,
(uint32_t *)rtac_asm_buffer);
if (result < 0) {
pr_err("%s: Set params failed session = %d\n",
__func__, session_id);
goto err;
}
result = wait_event_timeout(rtac_asm_apr_data[session_id].cmd_wait,
(atomic_read(&rtac_asm_apr_data[session_id].cmd_state) == 0),
5 * HZ);
mutex_unlock(&rtac_asm_apr_mutex);
if (!result) {
pr_err("%s: Set params timed out session = %d\n",
__func__, session_id);
goto done;
}
if (rtac_asm_payload_size != 0) {
if (copy_to_user(buf, rtac_asm_buffer,
rtac_asm_payload_size + sizeof(u32))) {
pr_err("%s: Could not copy buffer to user,size = %d\n",
__func__, payload_size);
goto done;
}
}
if (opcode == ASM_STREAM_CMD_GET_PP_PARAMS)
bytes_returned = rtac_asm_payload_size;
else
bytes_returned = payload_size;
done:
return bytes_returned;
err:
mutex_unlock(&rtac_asm_apr_mutex);
return bytes_returned;
}
