diff options
Diffstat (limited to 'drivers/media/tdmb/tcc3170/src/tcbd_drv_io.c')
| -rw-r--r-- | drivers/media/tdmb/tcc3170/src/tcbd_drv_io.c | 106 |
1 files changed, 87 insertions, 19 deletions
diff --git a/drivers/media/tdmb/tcc3170/src/tcbd_drv_io.c b/drivers/media/tdmb/tcc3170/src/tcbd_drv_io.c index 964e532..e2bcbea 100644 --- a/drivers/media/tdmb/tcc3170/src/tcbd_drv_io.c +++ b/drivers/media/tdmb/tcc3170/src/tcbd_drv_io.c @@ -42,7 +42,7 @@ s32 tcbd_io_open(struct tcbd_device *_device) if (tcbd_io_funcs.open == NULL) return -TCERR_IO_NOT_INITIALIZED; - tcpal_create_lock(&tcbd_io_funcs.sem, "tcbd_io_funcsSemaphore", 0); + tcpal_create_lock(&tcbd_io_funcs.sem, "tcbd_io_lock", 0); ret = tcbd_io_funcs.open(); if (ret < 0) @@ -80,7 +80,7 @@ s32 tcbd_reg_read( return -TCERR_IO_NOT_INITIALIZED; if (_device == NULL || _data == NULL) - return TCERR_INVALID_ARG; + return -TCERR_INVALID_ARG; tcpal_lock(&tcbd_io_funcs.sem); tcbd_io_funcs.chip_addr = _device->chip_addr; @@ -326,14 +326,14 @@ s32 tcbd_send_mail( sizeof(u32) + count * sizeof(u32)); ret |= tcbd_io_funcs.reg_write(TCBD_MAIL_CTRL, TCBD_MAIL_HOSTMAILPOST); if (ret < 0) - goto exittcbd_send_mail; + goto exit_send_mail; time_tick = tcpal_get_time(); do { elapsed = tcpal_diff_time(time_tick); if (elapsed > (u64)MAX_TIME_TO_WAIT_MAIL) { ret = -TCERR_WAIT_MAIL_TIMEOUT; - goto exittcbd_send_mail; + goto exit_send_mail; } /* latch mail status to register */ ret = tcbd_io_funcs.reg_write(TCBD_MAIL_FIFO_W, 0x5E); @@ -346,7 +346,7 @@ s32 tcbd_send_mail( tcbd_debug(DEBUG_DRV_IO, "cmd:0x%X, count:%d, elapsed time:%llu\n", _mail->cmd, count, elapsed); -exittcbd_send_mail: +exit_send_mail: tcpal_unlock(&tcbd_io_funcs.sem); return ret; } @@ -375,11 +375,10 @@ s32 tcbd_recv_mail( ret = -TCERR_WAIT_MAIL_TIMEOUT; if (ret < 0) - goto exittcbd_recv_mail; + goto exit_recv_mail; } while ((reg_data & 0xFC) < 3); /* check fifo status */ bytes_read = (reg_data >> 2) & 0x3F; - tcbd_debug(DEBUG_DRV_IO, - "cmd:0x%X, bytes_read:%d, elapsed time:%llu\n", + tcbd_debug(DEBUG_DRV_IO, "cmd:0x%X, bytes_read:%d, elapsed time:%llu\n", _mail->cmd, bytes_read, elapsed); ret = tcbd_io_funcs.reg_read_burst_fix( @@ -387,13 +386,12 @@ s32 tcbd_recv_mail( /*only warm boot cmd */ if (bytes_read == 4) { memcpy(_mail->data, mail_data, bytes_read); - goto exittcbd_recv_mail; + goto exit_recv_mail; } mail_hdr = *((u32 *)mail_data); if ((mail_hdr >> 24) != MB_SLAVEMAIL) { - tcbd_debug(DEBUG_ERROR, - "Error : cmd=0x%X bytes_read=%d\n", + tcbd_debug(DEBUG_ERROR, "Error : cmd=0x%X bytes_read=%d\n", _mail->cmd, bytes_read); tcbd_debug(DEBUG_ERROR, " [0x%02X][0x%02X][0x%02X][0x%02X]" "[0x%02X][0x%02X][0x%02X][0x%02X]\n", @@ -402,7 +400,7 @@ s32 tcbd_recv_mail( mail_data[6], mail_data[7]); ret = -TCERR_BROKEN_MAIL_HEADER; - goto exittcbd_recv_mail; + goto exit_recv_mail; } _mail->cmd = mail_hdr & 0xFFFF; _mail->status = (mail_hdr >> 16) & 0x7; @@ -410,18 +408,18 @@ s32 tcbd_recv_mail( tcbd_debug(DEBUG_ERROR, "Mail Error : status=0x%X, cmd=0x%X\n", _mail->status, _mail->cmd); ret = -TCERR_UNKNOWN_MAIL_STATUS; - goto exittcbd_recv_mail; + goto exit_recv_mail; } _mail->count = (bytes_read >> 2) - 1; memcpy(_mail->data, mail_data + 4, bytes_read - 4); -exittcbd_recv_mail: +exit_recv_mail: tcpal_unlock(&tcbd_io_funcs.sem); return ret; } -s32 tcbd_read_mail_box( - struct tcbd_device *_device, u16 _cmd, s32 _cnt, u32 *_data) +s32 tcbd_read_mail_box(struct tcbd_device *_device, u16 _cmd, s32 _cnt, + u32 *_data) { s32 ret = 0; struct tcbd_mail_data mail = {0, }; @@ -432,17 +430,87 @@ s32 tcbd_read_mail_box( ret = tcbd_send_mail(_device, &mail); if (ret < 0) { tcbd_debug(DEBUG_ERROR, "failed to send mail! %d\n", ret); - goto exti_read_mail_box; + goto exit_read_mail_box; } ret = tcbd_recv_mail(_device, &mail); if (ret < 0) { tcbd_debug(DEBUG_ERROR, "failed to recv mail! %d\n", ret); - goto exti_read_mail_box; + goto exit_read_mail_box; } memcpy((void *)_data, (void *)mail.data, _cnt * sizeof(u32)); -exti_read_mail_box: +exit_read_mail_box: + return ret; +} + +s32 tcbd_write_mail_box(struct tcbd_device *_device, u16 _cmd, s32 _cnt, + u32 *_data) +{ + u32 *data = NULL; + struct tcbd_mail_data mail = {0, }; + + if (_cnt > MAX_MAIL_COUNT || _data == NULL) { + tcbd_debug(DEBUG_ERROR, "invalid param, cnt:%d\n", _cnt); + return -TCERR_INVALID_ARG; + } + + mail.flag = MB_CMD_WRITE; + mail.cmd = _cmd; + mail.count = _cnt; + memcpy((void *)mail.data, (void *)_data, _cnt * sizeof(u32)); +#if defined(__DEBUG_DSP_ROM__) + tcbd_debug_mbox_tx(&_cmd, &_cnt, &data); + if (data != NULL) { + int i, sz = 0; + char print_buff[80]; + mail.cmd = _cmd; + mail.count = _cnt; + memcpy((void *)mail.data, (void *)data, _cnt * sizeof(u32)); + for (i = 0; i < _cnt; i++) + sz += sprintf(print_buff + sz, "[%08X]", data[i]); + + tcbd_debug(DEBUG_ERROR, "cmd 0x%X, cnt:%d, %s\n", + _cmd, _cnt, print_buff); + } +#endif /*__DEBUG_DSP_ROM__*/ + return tcbd_send_mail(_device, &mail); +} + +#if defined(__DEBUG_DSP_ROM__) +s32 tcbd_read_file(struct tcbd_device *_device, char *_path, u8 *_buff, + s32 _size) +{ + int ret; + struct file *flip = NULL; + mm_segment_t old_fs; + + if (_path == NULL) { + tcbd_debug(DEBUG_ERROR, "invalid filename! %s\n", _path); + return -1; + } + + if (_buff == NULL) { + tcbd_debug(DEBUG_ERROR, "Invaild pointer! 0x%X\n", (u32)_buff); + return -1; + } + + flip = filp_open(_path, O_RDWR, 0); + if (IS_ERR(flip)) { + tcbd_debug(DEBUG_ERROR, "%s open failed\n", _path); + return -1; + } + + old_fs = get_fs(); + set_fs(KERNEL_DS); + + flip->f_pos = 0; + ret = vfs_read(flip, _buff, _size, &flip->f_pos); + + filp_close(flip, NULL); + set_fs(old_fs); + return ret; } +#endif /*__DEBUG_DSP_ROM__*/ |