u32 send_voice_apr(u32 mode, void *buf, u32 opcode)
{
s32 result;
u32 user_buf_size = 0;
u32 bytes_returned = 0;
u32 payload_size;
u32 dest_port;
u32 data_size = 0;
struct apr_hdr voice_params;
pr_debug("%s\n", __func__);
if (rtac_cal[VOICE_RTAC_CAL].map_data.ion_handle == NULL) {
result = rtac_allocate_cal_buffer(VOICE_RTAC_CAL);
if (result < 0) {
pr_err("%s: allocate buffer failed!",
__func__);
goto done;
}
}
if (rtac_cal[VOICE_RTAC_CAL].map_data.map_handle == 0) {
result = rtac_map_cal_buffer(VOICE_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(&dest_port, buf + 2 * sizeof(u32), sizeof(u32))) {
pr_err("%s: Could not copy port id from user buffer\n",
__func__);
goto done;
}
if ((mode != RTAC_CVP) && (mode != RTAC_CVS)) {
pr_err("%s: Invalid Mode for APR, mode = %d\n",
__func__, mode);
goto done;
}
mutex_lock(&rtac_voice_apr_mutex);
if (rtac_voice_apr_data[mode].apr_handle == NULL) {
pr_err("%s: APR not initialized\n", __func__);
goto err;
}
if (opcode == VOICE_CMD_SET_PARAM) {
data_size = payload_size - 4 * sizeof(u32);
if (data_size > rtac_cal[VOICE_RTAC_CAL].map_data.map_size) {
pr_err("%s: Invalid data size = %d\n",
__func__, data_size);
goto done;
}
payload_size = 4 * sizeof(u32);
if (copy_from_user((void *)
rtac_cal[VOICE_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_voice_buffer[8] = data_size;
} else {
if (payload_size > MAX_PAYLOAD_SIZE) {
pr_err("%s: Invalid payload size = %d\n",
__func__, payload_size);
goto done;
}
if (copy_from_user(rtac_voice_buffer +
sizeof(voice_params)/sizeof(u32),
buf + 3 * sizeof(u32), payload_size)) {
pr_err("%s: Could not copy payload from user buffer\n",
__func__);
goto err;
}
}
voice_params.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(20), APR_PKT_VER);
voice_params.pkt_size = APR_PKT_SIZE(APR_HDR_SIZE,
payload_size);
voice_params.src_svc = 0;
voice_params.src_domain = APR_DOMAIN_APPS;
voice_params.src_port = get_voice_index(mode, dest_port);
voice_params.dest_svc = 0;
voice_params.dest_domain = APR_DOMAIN_MODEM;
voice_params.dest_port = (u16)dest_port;
voice_params.token = 0;
voice_params.opcode = opcode;
rtac_voice_buffer[5] = rtac_cal[VOICE_RTAC_CAL].map_data.map_handle;
rtac_voice_buffer[6] = rtac_cal[VOICE_RTAC_CAL].cal_data.paddr;
rtac_voice_buffer[7] = 0;
memcpy(rtac_voice_buffer, &voice_params, sizeof(voice_params));
atomic_set(&rtac_voice_apr_data[mode].cmd_state, 1);
pr_debug("%s: Sending RTAC command ioctl 0x%x, paddr 0x%x\n",
__func__, opcode,
rtac_cal[VOICE_RTAC_CAL].cal_data.paddr);
result = apr_send_pkt(rtac_voice_apr_data[mode].apr_handle,
(uint32_t *)rtac_voice_buffer);
if (result < 0) {
pr_err("%s: apr_send_pkt failed opcode = %x\n",
__func__, opcode);
goto err;
}
result = wait_event_timeout(rtac_voice_apr_data[mode].cmd_wait,
(atomic_read(&rtac_voice_apr_data[mode].cmd_state) == 0),
msecs_to_jiffies(TIMEOUT_MS));
if (!result) {
pr_err("%s: apr_send_pkt timed out opcode = %x\n",
__func__, opcode);
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 == VOICE_CMD_GET_PARAM) {
bytes_returned = ((u32 *)rtac_cal[VOICE_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[VOICE_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_voice_apr_mutex);
done:
return bytes_returned;
}
u32 send_voice_apr(u32 mode, void *buf, u32 opcode)
{
s32 result;
u32 count = 0;
u32 bytes_returned = 0;
u32 payload_size;
u32 dest_port;
struct apr_hdr voice_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(payload_size),
sizeof(payload_size))) {
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(&dest_port, buf + 2 * sizeof(dest_port),
sizeof(dest_port))) {
pr_err("%s: Could not copy port id from user buffer\n",
__func__);
goto done;
}
if ((mode != RTAC_CVP) && (mode != RTAC_CVS)) {
pr_err("%s: Invalid Mode for APR, mode = %d\n",
__func__, mode);
goto done;
}
mutex_lock(&rtac_voice_apr_mutex);
if (rtac_voice_apr_data[mode].apr_handle == NULL) {
pr_err("%s: APR not initialized\n", __func__);
goto err;
}
rtac_voice_user_buf_size = count;
if (copy_from_user(rtac_voice_buffer + sizeof(voice_params),
buf + 3 * sizeof(u32), payload_size)) {
pr_err("%s: Could not copy payload from user buffer\n",
__func__);
goto err;
}
voice_params.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
APR_HDR_LEN(20), APR_PKT_VER);
voice_params.pkt_size = APR_PKT_SIZE(APR_HDR_SIZE,
payload_size);
voice_params.src_svc = 0;
voice_params.src_domain = APR_DOMAIN_APPS;
voice_params.src_port = voice_session_id[
get_voice_index(mode, dest_port)];
voice_params.dest_svc = 0;
voice_params.dest_domain = APR_DOMAIN_MODEM;
voice_params.dest_port = (u16)dest_port;
voice_params.token = 0;
voice_params.opcode = opcode;
memcpy(rtac_voice_buffer, &voice_params, sizeof(voice_params));
atomic_set(&rtac_voice_apr_data[mode].cmd_state, 1);
pr_debug("%s: Sending RTAC command size = %d, opcode = %x\n",
__func__, voice_params.pkt_size, opcode);
result = apr_send_pkt(rtac_voice_apr_data[mode].apr_handle,
(uint32_t *)rtac_voice_buffer);
if (result < 0) {
pr_err("%s: apr_send_pkt failed opcode = %x\n",
__func__, opcode);
goto err;
}
result = wait_event_timeout(rtac_voice_apr_data[mode].cmd_wait,
(atomic_read(&rtac_voice_apr_data[mode].cmd_state) == 0),
msecs_to_jiffies(TIMEOUT_MS));
mutex_unlock(&rtac_voice_apr_mutex);
if (!result) {
pr_err("%s: apr_send_pkt timed out opcode = %x\n",
__func__, opcode);
goto done;
}
if (rtac_voice_payload_size != 0) {
if (copy_to_user(buf, rtac_voice_buffer,
rtac_voice_payload_size + sizeof(u32))) {
pr_err("%s: Could not copy buffer to user,size = %d\n",
__func__, payload_size);
goto done;
}
}
if (opcode == VOICE_CMD_GET_PARAM)
bytes_returned = rtac_voice_payload_size;
else
bytes_returned = payload_size;
done:
return bytes_returned;
err:
mutex_unlock(&rtac_voice_apr_mutex);
return bytes_returned;
}
