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path: root/drivers/media/video/pvrusb2/pvrusb2-hdw.c
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Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-hdw.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-hdw.c172
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 {