diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-hdw.c')
-rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 172 |
1 files changed, 73 insertions, 99 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 643c471375d..9b48abcf608 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -63,7 +63,6 @@ struct pvr2_string_table { static const char *pvr2_client_24xxx[] = { "cx25840", "tuner", - "tda9887", "wm8775", }; #endif @@ -73,7 +72,6 @@ static const char *pvr2_client_29xxx[] = { "msp3400", "saa7115", "tuner", - "tda9887", }; static struct pvr2_string_table pvr2_client_lists[] = { @@ -89,8 +87,8 @@ static struct pvr2_string_table pvr2_client_lists[] = { #endif }; -static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = 0}; -DECLARE_MUTEX(pvr2_unit_sem); +static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = NULL}; +static DECLARE_MUTEX(pvr2_unit_sem); static int ctlchg = 0; static int initusbreset = 1; @@ -263,6 +261,25 @@ static const char *control_values_subsystem[] = { [PVR2_SUBSYS_B_ENC_RUN] = "enc_run", }; +static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl); +static int pvr2_hdw_commit_ctl_internal(struct pvr2_hdw *hdw); +static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw); +static unsigned int pvr2_hdw_get_signal_status_internal(struct pvr2_hdw *hdw); +static void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw); +static void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw); +static void pvr2_hdw_render_useless_unlocked(struct pvr2_hdw *hdw); +static void pvr2_hdw_subsys_bit_chg_no_lock(struct pvr2_hdw *hdw, + unsigned long msk, + unsigned long val); +static void pvr2_hdw_subsys_stream_bit_chg_no_lock(struct pvr2_hdw *hdw, + unsigned long msk, + unsigned long val); +static int pvr2_send_request_ex(struct pvr2_hdw *hdw, + unsigned int timeout,int probe_fl, + void *write_data,unsigned int write_len, + void *read_data,unsigned int read_len); +static int pvr2_write_u16(struct pvr2_hdw *hdw, u16 data, int res); +static int pvr2_write_u8(struct pvr2_hdw *hdw, u8 data, int res); static int ctrl_channelfreq_get(struct pvr2_ctrl *cptr,int *vp) { @@ -405,7 +422,7 @@ static unsigned int ctrl_cx2341x_getv4lflags(struct pvr2_ctrl *cptr) info = (struct pvr2_ctl_info *)(cptr->info); if (qctrl.flags & V4L2_CTRL_FLAG_READ_ONLY) { if (info->set_value) { - info->set_value = 0; + info->set_value = NULL; } } else { if (!(info->set_value)) { @@ -836,14 +853,6 @@ unsigned long pvr2_hdw_get_sn(struct pvr2_hdw *hdw) } -struct pvr2_hdw *pvr2_hdw_find(int unit_number) -{ - if (unit_number < 0) return 0; - if (unit_number >= PVR_NUM) return 0; - return unit_pointers[unit_number]; -} - - int pvr2_hdw_get_unit_number(struct pvr2_hdw *hdw) { return hdw->unit_number; @@ -917,9 +926,9 @@ static int pvr2_locate_firmware(struct pvr2_hdw *hdw, * is not suitable for an usb transaction. * */ -int pvr2_upload_firmware1(struct pvr2_hdw *hdw) +static int pvr2_upload_firmware1(struct pvr2_hdw *hdw) { - const struct firmware *fw_entry = 0; + const struct firmware *fw_entry = NULL; void *fw_ptr; unsigned int pipe; int ret; @@ -1015,7 +1024,7 @@ int pvr2_upload_firmware1(struct pvr2_hdw *hdw) int pvr2_upload_firmware2(struct pvr2_hdw *hdw) { - const struct firmware *fw_entry = 0; + const struct firmware *fw_entry = NULL; void *fw_ptr; unsigned int pipe, fw_len, fw_done; int actual_length; @@ -1166,8 +1175,9 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) reconfigure and start over. */ -void pvr2_hdw_subsys_bit_chg_no_lock(struct pvr2_hdw *hdw, - unsigned long msk,unsigned long val) +static void pvr2_hdw_subsys_bit_chg_no_lock(struct pvr2_hdw *hdw, + unsigned long msk, + unsigned long val) { unsigned long nmsk; unsigned long vmsk; @@ -1318,18 +1328,6 @@ void pvr2_hdw_subsys_bit_chg(struct pvr2_hdw *hdw, } -void pvr2_hdw_subsys_bit_set(struct pvr2_hdw *hdw,unsigned long msk) -{ - pvr2_hdw_subsys_bit_chg(hdw,msk,msk); -} - - -void pvr2_hdw_subsys_bit_clr(struct pvr2_hdw *hdw,unsigned long msk) -{ - pvr2_hdw_subsys_bit_chg(hdw,msk,0); -} - - unsigned long pvr2_hdw_subsys_get(struct pvr2_hdw *hdw) { return hdw->subsys_enabled_mask; @@ -1342,9 +1340,9 @@ unsigned long pvr2_hdw_subsys_stream_get(struct pvr2_hdw *hdw) } -void pvr2_hdw_subsys_stream_bit_chg_no_lock(struct pvr2_hdw *hdw, - unsigned long msk, - unsigned long val) +static void pvr2_hdw_subsys_stream_bit_chg_no_lock(struct pvr2_hdw *hdw, + unsigned long msk, + unsigned long val) { unsigned long val2; msk &= PVR2_SUBSYS_ALL; @@ -1366,7 +1364,7 @@ void pvr2_hdw_subsys_stream_bit_chg(struct pvr2_hdw *hdw, } -int pvr2_hdw_set_streaming_no_lock(struct pvr2_hdw *hdw,int enableFl) +static int pvr2_hdw_set_streaming_no_lock(struct pvr2_hdw *hdw,int enableFl) { if ((!enableFl) == !(hdw->flag_streaming_enabled)) return 0; if (enableFl) { @@ -1400,8 +1398,8 @@ int pvr2_hdw_set_streaming(struct pvr2_hdw *hdw,int enable_flag) } -int pvr2_hdw_set_stream_type_no_lock(struct pvr2_hdw *hdw, - enum pvr2_config config) +static int pvr2_hdw_set_stream_type_no_lock(struct pvr2_hdw *hdw, + enum pvr2_config config) { unsigned long sm = hdw->subsys_enabled_mask; if (!hdw->flag_ok) return -EIO; @@ -1741,7 +1739,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, sizeof(pvr2_device_names)/sizeof(pvr2_device_names[0])) { pvr2_trace(PVR2_TRACE_ERROR_LEGS, "Bogus device type of %u reported",hdw_type); - return 0; + return NULL; } hdw = kmalloc(sizeof(*hdw),GFP_KERNEL); @@ -1922,38 +1920,38 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, if (hdw->mpeg_ctrl_info) kfree(hdw->mpeg_ctrl_info); kfree(hdw); } - return 0; + return NULL; } /* Remove _all_ associations between this driver and the underlying USB layer. */ -void pvr2_hdw_remove_usb_stuff(struct pvr2_hdw *hdw) +static void pvr2_hdw_remove_usb_stuff(struct pvr2_hdw *hdw) { if (hdw->flag_disconnected) return; pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_remove_usb_stuff: hdw=%p",hdw); if (hdw->ctl_read_urb) { usb_kill_urb(hdw->ctl_read_urb); usb_free_urb(hdw->ctl_read_urb); - hdw->ctl_read_urb = 0; + hdw->ctl_read_urb = NULL; } if (hdw->ctl_write_urb) { usb_kill_urb(hdw->ctl_write_urb); usb_free_urb(hdw->ctl_write_urb); - hdw->ctl_write_urb = 0; + hdw->ctl_write_urb = NULL; } if (hdw->ctl_read_buffer) { kfree(hdw->ctl_read_buffer); - hdw->ctl_read_buffer = 0; + hdw->ctl_read_buffer = NULL; } if (hdw->ctl_write_buffer) { kfree(hdw->ctl_write_buffer); - hdw->ctl_write_buffer = 0; + hdw->ctl_write_buffer = NULL; } pvr2_hdw_render_useless_unlocked(hdw); hdw->flag_disconnected = !0; - hdw->usb_dev = 0; - hdw->usb_intf = 0; + hdw->usb_dev = NULL; + hdw->usb_intf = NULL; } @@ -1963,11 +1961,11 @@ void pvr2_hdw_destroy(struct pvr2_hdw *hdw) pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_destroy: hdw=%p",hdw); if (hdw->fw_buffer) { kfree(hdw->fw_buffer); - hdw->fw_buffer = 0; + hdw->fw_buffer = NULL; } if (hdw->vid_stream) { pvr2_stream_destroy(hdw->vid_stream); - hdw->vid_stream = 0; + hdw->vid_stream = NULL; } if (hdw->audio_stat) { hdw->audio_stat->detach(hdw->audio_stat->ctxt); @@ -1981,7 +1979,7 @@ void pvr2_hdw_destroy(struct pvr2_hdw *hdw) if ((hdw->unit_number >= 0) && (hdw->unit_number < PVR_NUM) && (unit_pointers[hdw->unit_number] == hdw)) { - unit_pointers[hdw->unit_number] = 0; + unit_pointers[hdw->unit_number] = NULL; } } while (0); up(&pvr2_unit_sem); if (hdw->controls) kfree(hdw->controls); @@ -2018,7 +2016,7 @@ void pvr2_hdw_disconnect(struct pvr2_hdw *hdw) // Attempt to autoselect an appropriate value for std_enum_cur given // whatever is currently in std_mask_cur -void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw) +static void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw) { unsigned int idx; for (idx = 1; idx < hdw->std_enum_cnt; idx++) { @@ -2033,7 +2031,7 @@ void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw) // Calculate correct set of enumerated standards based on currently known // set of available standards bits. -void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw) +static void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw) { struct v4l2_standard *newstd; unsigned int std_cnt; @@ -2043,12 +2041,12 @@ void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw) if (hdw->std_defs) { kfree(hdw->std_defs); - hdw->std_defs = 0; + hdw->std_defs = NULL; } hdw->std_enum_cnt = 0; if (hdw->std_enum_names) { kfree(hdw->std_enum_names); - hdw->std_enum_names = 0; + hdw->std_enum_names = NULL; } if (!std_cnt) { @@ -2099,7 +2097,7 @@ unsigned int pvr2_hdw_get_ctrl_count(struct pvr2_hdw *hdw) struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_index(struct pvr2_hdw *hdw, unsigned int idx) { - if (idx >= hdw->control_cnt) return 0; + if (idx >= hdw->control_cnt) return NULL; return hdw->controls + idx; } @@ -2118,7 +2116,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_id(struct pvr2_hdw *hdw, i = cptr->info->internal_id; if (i && (i == ctl_id)) return cptr; } - return 0; + return NULL; } @@ -2135,7 +2133,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_v4l(struct pvr2_hdw *hdw,unsigned int ctl_id i = cptr->info->v4l_id; if (i && (i == ctl_id)) return cptr; } - return 0; + return NULL; } @@ -2149,7 +2147,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_nextv4l(struct pvr2_hdw *hdw, int i; /* This could be made a lot more efficient, but for now... */ - cp2 = 0; + cp2 = NULL; for (idx = 0; idx < hdw->control_cnt; idx++) { cptr = hdw->controls + idx; i = cptr->info->v4l_id; @@ -2159,7 +2157,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_nextv4l(struct pvr2_hdw *hdw, cp2 = cptr; } return cp2; - return 0; + return NULL; } @@ -2182,7 +2180,7 @@ static const char *get_ctrl_typename(enum pvr2_ctl_type tp) state(s) back to their previous value before this function was called. Thus we can automatically reconfigure affected pieces of the driver as controls are changed. */ -int pvr2_hdw_commit_ctl_internal(struct pvr2_hdw *hdw) +static int pvr2_hdw_commit_ctl_internal(struct pvr2_hdw *hdw) { unsigned long saved_subsys_mask = hdw->subsys_enabled_mask; unsigned long stale_subsys_mask = 0; @@ -2321,14 +2319,6 @@ void pvr2_hdw_poll_trigger_unlocked(struct pvr2_hdw *hdw) } -void pvr2_hdw_poll_trigger(struct pvr2_hdw *hdw) -{ - LOCK_TAKE(hdw->big_lock); do { - pvr2_hdw_poll_trigger_unlocked(hdw); - } while (0); LOCK_GIVE(hdw->big_lock); -} - - /* Return name for this driver instance */ const char *pvr2_hdw_get_driver_name(struct pvr2_hdw *hdw) { @@ -2337,7 +2327,7 @@ const char *pvr2_hdw_get_driver_name(struct pvr2_hdw *hdw) /* Return bit mask indicating signal status */ -unsigned int pvr2_hdw_get_signal_status_internal(struct pvr2_hdw *hdw) +static unsigned int pvr2_hdw_get_signal_status_internal(struct pvr2_hdw *hdw) { unsigned int msk = 0; switch (hdw->input_val) { @@ -2424,7 +2414,7 @@ void pvr2_hdw_cpufw_set_enabled(struct pvr2_hdw *hdw, int enable_flag) pvr2_trace(PVR2_TRACE_FIRMWARE, "Cleaning up after CPU firmware fetch"); kfree(hdw->fw_buffer); - hdw->fw_buffer = 0; + hdw->fw_buffer = NULL; hdw->fw_size = 0; /* Now release the CPU. It will disconnect and reconnect later. */ @@ -2519,22 +2509,6 @@ void pvr2_hdw_v4l_store_minor_number(struct pvr2_hdw *hdw,int v) } -void pvr2_reset_ctl_endpoints(struct pvr2_hdw *hdw) -{ - if (!hdw->usb_dev) return; - usb_settoggle(hdw->usb_dev, PVR2_CTL_WRITE_ENDPOINT & 0xf, - !(PVR2_CTL_WRITE_ENDPOINT & USB_DIR_IN), 0); - usb_settoggle(hdw->usb_dev, PVR2_CTL_READ_ENDPOINT & 0xf, - !(PVR2_CTL_READ_ENDPOINT & USB_DIR_IN), 0); - usb_clear_halt(hdw->usb_dev, - usb_rcvbulkpipe(hdw->usb_dev, - PVR2_CTL_READ_ENDPOINT & 0x7f)); - usb_clear_halt(hdw->usb_dev, - usb_sndbulkpipe(hdw->usb_dev, - PVR2_CTL_WRITE_ENDPOINT & 0x7f)); -} - - static void pvr2_ctl_write_complete(struct urb *urb, struct pt_regs *regs) { struct pvr2_hdw *hdw = urb->context; @@ -2568,10 +2542,10 @@ static void pvr2_ctl_timeout(unsigned long data) } -int pvr2_send_request_ex(struct pvr2_hdw *hdw, - unsigned int timeout,int probe_fl, - void *write_data,unsigned int write_len, - void *read_data,unsigned int read_len) +static int pvr2_send_request_ex(struct pvr2_hdw *hdw, + unsigned int timeout,int probe_fl, + void *write_data,unsigned int write_len, + void *read_data,unsigned int read_len) { unsigned int idx; int status = 0; @@ -2826,7 +2800,7 @@ int pvr2_write_register(struct pvr2_hdw *hdw, u16 reg, u32 data) } -int pvr2_read_register(struct pvr2_hdw *hdw, u16 reg, u32 *data) +static int pvr2_read_register(struct pvr2_hdw *hdw, u16 reg, u32 *data) { int ret = 0; @@ -2850,7 +2824,7 @@ int pvr2_read_register(struct pvr2_hdw *hdw, u16 reg, u32 *data) } -int pvr2_write_u16(struct pvr2_hdw *hdw, u16 data, int res) +static int pvr2_write_u16(struct pvr2_hdw *hdw, u16 data, int res) { int ret; @@ -2867,7 +2841,7 @@ int pvr2_write_u16(struct pvr2_hdw *hdw, u16 data, int res) } -int pvr2_write_u8(struct pvr2_hdw *hdw, u8 data, int res) +static int pvr2_write_u8(struct pvr2_hdw *hdw, u8 data, int res) { int ret; @@ -2883,13 +2857,13 @@ int pvr2_write_u8(struct pvr2_hdw *hdw, u8 data, int res) } -void pvr2_hdw_render_useless_unlocked(struct pvr2_hdw *hdw) +static void pvr2_hdw_render_useless_unlocked(struct pvr2_hdw *hdw) { if (!hdw->flag_ok) return; pvr2_trace(PVR2_TRACE_INIT,"render_useless"); hdw->flag_ok = 0; if (hdw->vid_stream) { - pvr2_stream_setup(hdw->vid_stream,0,0,0); + pvr2_stream_setup(hdw->vid_stream,NULL,0,0); } hdw->flag_streaming_enabled = 0; hdw->subsys_enabled_mask = 0; @@ -2908,7 +2882,7 @@ void pvr2_hdw_device_reset(struct pvr2_hdw *hdw) { int ret; pvr2_trace(PVR2_TRACE_INIT,"Performing a device reset..."); - ret = usb_lock_device_for_reset(hdw->usb_dev,0); + ret = usb_lock_device_for_reset(hdw->usb_dev,NULL); if (ret == 1) { ret = usb_reset_device(hdw->usb_dev); usb_unlock_device(hdw->usb_dev); @@ -2957,7 +2931,7 @@ int pvr2_hdw_cmd_deep_reset(struct pvr2_hdw *hdw) pvr2_trace(PVR2_TRACE_INIT,"Requesting uproc hard reset"); hdw->flag_ok = !0; hdw->cmd_buffer[0] = 0xdd; - status = pvr2_send_request(hdw,hdw->cmd_buffer,1,0,0); + status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0); } while (0); LOCK_GIVE(hdw->ctl_lock); return status; } @@ -2969,7 +2943,7 @@ int pvr2_hdw_cmd_powerup(struct pvr2_hdw *hdw) LOCK_TAKE(hdw->ctl_lock); do { pvr2_trace(PVR2_TRACE_INIT,"Requesting powerup"); hdw->cmd_buffer[0] = 0xde; - status = pvr2_send_request(hdw,hdw->cmd_buffer,1,0,0); + status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0); } while (0); LOCK_GIVE(hdw->ctl_lock); return status; } @@ -2996,12 +2970,12 @@ int pvr2_hdw_cmd_decoder_reset(struct pvr2_hdw *hdw) } -int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl) +static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl) { int status; LOCK_TAKE(hdw->ctl_lock); do { hdw->cmd_buffer[0] = (runFl ? 0x36 : 0x37); - status = pvr2_send_request(hdw,hdw->cmd_buffer,1,0,0); + status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0); } while (0); LOCK_GIVE(hdw->ctl_lock); if (!status) { hdw->subsys_enabled_mask = @@ -3094,7 +3068,7 @@ int pvr2_hdw_gpio_chg_out(struct pvr2_hdw *hdw,u32 msk,u32 val) } -int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw) +static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw) { int result; LOCK_TAKE(hdw->ctl_lock); do { |