struct pvr2_hdw *hdw;
struct pvr2_i2c_client *client;
struct pvr2_i2c_handler i2c_handler;
- struct pvr2_audio_stat astat;
unsigned long stale_mask;
};
}
-/* This reads back the current signal type */
-static int get_audio_status(struct pvr2_msp3400_handler *ctxt)
-{
- struct v4l2_tuner vt;
- int stat;
-
- memset(&vt,0,sizeof(vt));
- stat = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_G_TUNER,&vt);
- if (stat < 0) return stat;
-
- ctxt->hdw->flag_stereo = (vt.audmode & V4L2_TUNER_MODE_STEREO) != 0;
- ctxt->hdw->flag_bilingual =
- (vt.audmode & V4L2_TUNER_MODE_LANG2) != 0;
- return 0;
-}
-
-
static void pvr2_msp3400_detach(struct pvr2_msp3400_handler *ctxt)
{
ctxt->client->handler = NULL;
- ctxt->hdw->audio_stat = NULL;
kfree(ctxt);
}
int pvr2_i2c_msp3400_setup(struct pvr2_hdw *hdw,struct pvr2_i2c_client *cp)
{
struct pvr2_msp3400_handler *ctxt;
- if (hdw->audio_stat) return 0;
if (cp->handler) return 0;
ctxt = kmalloc(sizeof(*ctxt),GFP_KERNEL);
ctxt->i2c_handler.func_table = &msp3400_funcs;
ctxt->client = cp;
ctxt->hdw = hdw;
- ctxt->astat.ctxt = ctxt;
- ctxt->astat.status = (int (*)(void *))get_audio_status;
- ctxt->astat.detach = (void (*)(void *))pvr2_msp3400_detach;
ctxt->stale_mask = (1 << (sizeof(msp3400_ops)/
sizeof(msp3400_ops[0]))) - 1;
cp->handler = &ctxt->i2c_handler;
- hdw->audio_stat = &ctxt->astat;
pvr2_trace(PVR2_TRACE_CHIPS,"i2c 0x%x msp3400 V4L2 handler set up",
cp->client->addr);
return !0;
}
-static int decoder_is_tuned(struct pvr2_v4l_cx2584x *ctxt)
-{
- struct v4l2_tuner vt;
- int ret;
-
- memset(&vt,0,sizeof(vt));
- ret = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_G_TUNER,&vt);
- if (ret < 0) return -EINVAL;
- return vt.signal ? 1 : 0;
-}
-
-
static unsigned int decoder_describe(struct pvr2_v4l_cx2584x *ctxt,
char *buf,unsigned int cnt)
{
ctxt->ctrl.ctxt = ctxt;
ctxt->ctrl.detach = (void (*)(void *))decoder_detach;
ctxt->ctrl.enable = (void (*)(void *,int))decoder_enable;
- ctxt->ctrl.tuned = (int (*)(void *))decoder_is_tuned;
ctxt->ctrl.force_reset = (void (*)(void*))decoder_reset;
ctxt->client = cp;
ctxt->hdw = hdw;
};
-struct pvr2_audio_stat {
- void *ctxt;
- void (*detach)(void *);
- int (*status)(void *);
-};
-
struct pvr2_decoder_ctrl {
void *ctxt;
void (*detach)(void *);
void (*enable)(void *,int);
- int (*tuned)(void *);
void (*force_reset)(void *);
};
unsigned int freqSelector; /* 0=radio 1=television */
int freqDirty;
+ /* Current tuner info - this information is polled from the I2C bus */
+ struct v4l2_tuner tuner_signal_info;
+ int tuner_signal_stale;
+
/* Video standard handling */
v4l2_std_id std_mask_eeprom; // Hardware supported selections
v4l2_std_id std_mask_avail; // Which standards we may select from
enum pvr2_config config;
- /* Information about what audio signal we're hearing */
- int flag_stereo;
- int flag_bilingual;
- struct pvr2_audio_stat *audio_stat;
-
/* Control state needed for cx2341x module */
struct cx2341x_mpeg_params enc_cur_state;
struct cx2341x_mpeg_params enc_ctl_state;
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 int ctrl_signal_get(struct pvr2_ctrl *cptr,int *vp)
{
- *vp = ((pvr2_hdw_get_signal_status_internal(cptr->hdw) &
- PVR2_SIGNAL_OK) ? 1 : 0);
+ struct pvr2_hdw *hdw = cptr->hdw;
+ pvr2_i2c_core_status_poll(hdw);
+ *vp = hdw->tuner_signal_info.signal;
+ return 0;
+}
+
+static int ctrl_audio_modes_present_get(struct pvr2_ctrl *cptr,int *vp)
+{
+ int val = 0;
+ unsigned int subchan;
+ struct pvr2_hdw *hdw = cptr->hdw;
+ if (hdw->tuner_signal_stale) {
+ pvr2_i2c_core_status_poll(hdw);
+ }
+ subchan = hdw->tuner_signal_info.rxsubchans;
+ if (subchan & V4L2_TUNER_SUB_MONO) {
+ val |= (1 << V4L2_TUNER_MODE_MONO);
+ }
+ if (subchan & V4L2_TUNER_SUB_STEREO) {
+ val |= (1 << V4L2_TUNER_MODE_STEREO);
+ }
+ if (subchan & V4L2_TUNER_SUB_LANG1) {
+ val |= (1 << V4L2_TUNER_MODE_LANG1);
+ }
+ if (subchan & V4L2_TUNER_SUB_LANG2) {
+ val |= (1 << V4L2_TUNER_MODE_LANG2);
+ }
+ *vp = val;
return 0;
}
.desc = "Signal Present",
.name = "signal_present",
.get_value = ctrl_signal_get,
- DEFBOOL,
+ DEFINT(0,65535),
+ },{
+ .desc = "Audio Modes Present",
+ .name = "audio_modes_present",
+ .get_value = ctrl_audio_modes_present_get,
+ /* For this type we "borrow" the V4L2_TUNER_MODE enum from
+ v4l. Nothing outside of this module cares about this,
+ but I reuse it in order to also reuse the
+ control_values_audiomode string table. */
+ DEFMASK(((1 << V4L2_TUNER_MODE_MONO)|
+ (1 << V4L2_TUNER_MODE_STEREO)|
+ (1 << V4L2_TUNER_MODE_LANG1)|
+ (1 << V4L2_TUNER_MODE_LANG2)),
+ control_values_audiomode),
},{
.desc = "Video Standards Available Mask",
.name = "video_standard_mask_available",
hdw,pvr2_device_names[hdw_type]);
if (!hdw) goto fail;
memset(hdw,0,sizeof(*hdw));
+ hdw->tuner_signal_stale = !0;
cx2341x_fill_defaults(&hdw->enc_ctl_state);
hdw->control_cnt = CTRLDEF_COUNT;
pvr2_stream_destroy(hdw->vid_stream);
hdw->vid_stream = NULL;
}
- if (hdw->audio_stat) {
- hdw->audio_stat->detach(hdw->audio_stat->ctxt);
- }
if (hdw->decoder_ctrl) {
hdw->decoder_ctrl->detach(hdw->decoder_ctrl->ctxt);
}
}
-/* Return bit mask indicating signal status */
-static unsigned int pvr2_hdw_get_signal_status_internal(struct pvr2_hdw *hdw)
-{
- unsigned int msk = 0;
- switch (hdw->input_val) {
- case PVR2_CVAL_INPUT_TV:
- case PVR2_CVAL_INPUT_RADIO:
- if (hdw->decoder_ctrl &&
- hdw->decoder_ctrl->tuned(hdw->decoder_ctrl->ctxt)) {
- msk |= PVR2_SIGNAL_OK;
- if (hdw->audio_stat &&
- hdw->audio_stat->status(hdw->audio_stat->ctxt)) {
- if (hdw->flag_stereo) {
- msk |= PVR2_SIGNAL_STEREO;
- }
- if (hdw->flag_bilingual) {
- msk |= PVR2_SIGNAL_SAP;
- }
- }
- }
- break;
- default:
- msk |= PVR2_SIGNAL_OK | PVR2_SIGNAL_STEREO;
- }
- return msk;
-}
-
-
int pvr2_hdw_is_hsm(struct pvr2_hdw *hdw)
{
int result;
}
-/* Return bit mask indicating signal status */
-unsigned int pvr2_hdw_get_signal_status(struct pvr2_hdw *hdw)
+/* Execute poll of tuner status */
+void pvr2_hdw_execute_tuner_poll(struct pvr2_hdw *hdw)
{
- unsigned int msk = 0;
LOCK_TAKE(hdw->big_lock); do {
- msk = pvr2_hdw_get_signal_status_internal(hdw);
+ pvr2_i2c_core_status_poll(hdw);
} while (0); LOCK_GIVE(hdw->big_lock);
- return msk;
+}
+
+
+/* Return information about the tuner */
+int pvr2_hdw_get_tuner_status(struct pvr2_hdw *hdw,struct v4l2_tuner *vtp)
+{
+ LOCK_TAKE(hdw->big_lock); do {
+ if (hdw->tuner_signal_stale) {
+ pvr2_i2c_core_status_poll(hdw);
+ }
+ memcpy(vtp,&hdw->tuner_signal_info,sizeof(struct v4l2_tuner));
+ } while (0); LOCK_GIVE(hdw->big_lock);
+ return 0;
}
#define PVR2_CVAL_INPUT_COMPOSITE 2
#define PVR2_CVAL_INPUT_RADIO 3
-/* Values that pvr2_hdw_get_signal_status() returns */
-#define PVR2_SIGNAL_OK 0x0001
-#define PVR2_SIGNAL_STEREO 0x0002
-#define PVR2_SIGNAL_SAP 0x0004
-
-
/* Subsystem definitions - these are various pieces that can be
independently stopped / started. Usually you don't want to mess with
this directly (let the driver handle things itself), but it is useful
/* Return name for this driver instance */
const char *pvr2_hdw_get_driver_name(struct pvr2_hdw *);
-/* Return PVR2_SIGNAL_XXXX bit mask indicating signal status */
-unsigned int pvr2_hdw_get_signal_status(struct pvr2_hdw *);
+/* Mark tuner status stale so that it will be re-fetched */
+void pvr2_hdw_execute_tuner_poll(struct pvr2_hdw *);
+
+/* Return information about the tuner */
+int pvr2_hdw_get_tuner_status(struct pvr2_hdw *,struct v4l2_tuner *);
/* Query device and see if it thinks it is on a high-speed USB link */
int pvr2_hdw_is_hsm(struct pvr2_hdw *);
(1 << OP_FREQ) |
(1 << OP_SIZE) |
(1 << OP_LOG));
+ cp->status_poll = pvr2_v4l2_cmd_status_poll;
if (id == I2C_DRIVERID_MSP3400) {
if (pvr2_i2c_msp3400_setup(hdw,cp)) {
vs = hdw->std_mask_cur;
pvr2_i2c_core_cmd(hdw,VIDIOC_S_STD,&vs);
}
+ hdw->tuner_signal_stale = !0;
}
struct v4l2_frequency freq;
fv = pvr2_hdw_get_cur_freq(hdw);
pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_freq(%lu)",fv);
+ if (hdw->tuner_signal_stale) {
+ pvr2_i2c_core_status_poll(hdw);
+ }
memset(&freq,0,sizeof(freq));
- if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
+ if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
// ((fv * 1000) / 62500)
freq.frequency = (fv * 2) / 125;
- freq.type = V4L2_TUNER_RADIO;
} else {
freq.frequency = fv / 62500;
+ }
+ /* tuner-core currently doesn't seem to care about this, but
+ let's set it anyway for completeness. */
+ if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
+ freq.type = V4L2_TUNER_RADIO;
+ } else {
freq.type = V4L2_TUNER_ANALOG_TV;
}
freq.tuner = 0;
}
+void pvr2_v4l2_cmd_status_poll(struct pvr2_i2c_client *cp)
+{
+ pvr2_i2c_client_cmd(cp,VIDIOC_G_TUNER,&cp->hdw->tuner_signal_info);
+}
+
+
/*
Stuff for Emacs to see, in order to encourage consistent editing style:
*** Local Variables: ***
extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_log;
void pvr2_v4l2_cmd_stream(struct pvr2_i2c_client *,int);
+void pvr2_v4l2_cmd_status_poll(struct pvr2_i2c_client *);
#endif /* __PVRUSB2_CMD_V4L2_H */
#define BUFSIZE 500
+
+void pvr2_i2c_core_status_poll(struct pvr2_hdw *hdw)
+{
+ struct list_head *item;
+ struct pvr2_i2c_client *cp;
+ mutex_lock(&hdw->i2c_list_lock); do {
+ struct v4l2_tuner *vtp = &hdw->tuner_signal_info;
+ memset(vtp,0,sizeof(vtp));
+ list_for_each(item,&hdw->i2c_clients) {
+ cp = list_entry(item,struct pvr2_i2c_client,list);
+ if (!cp->detected_flag) continue;
+ if (!cp->status_poll) continue;
+ cp->status_poll(cp);
+ }
+ hdw->tuner_signal_stale = 0;
+ } while (0); mutex_unlock(&hdw->i2c_list_lock);
+}
+
+
+/* Issue various I2C operations to bring chip-level drivers into sync with
+ state stored in this driver. */
void pvr2_i2c_core_sync(struct pvr2_hdw *hdw)
{
unsigned long msk;
client->addr,cp);
if (!cp) return -ENOMEM;
memset(cp,0,sizeof(*cp));
+ cp->hdw = hdw;
INIT_LIST_HEAD(&cp->list);
cp->client = client;
mutex_lock(&hdw->i2c_list_lock); do {
struct i2c_client *client;
struct pvr2_i2c_handler *handler;
struct list_head list;
+ struct pvr2_hdw *hdw;
int detected_flag;
int recv_enable;
unsigned long pend_mask;
unsigned long ctl_mask;
+ void (*status_poll)(struct pvr2_i2c_client *);
};
struct pvr2_i2c_handler {
int pvr2_i2c_core_check_stale(struct pvr2_hdw *);
void pvr2_i2c_core_sync(struct pvr2_hdw *);
+void pvr2_i2c_core_status_poll(struct pvr2_hdw *);
unsigned int pvr2_i2c_report(struct pvr2_hdw *,char *buf,unsigned int maxlen);
#define PVR2_I2C_DETAIL_DEBUG 0x0001
#define PVR2_I2C_DETAIL_HANDLER 0x0002
.reserved = {0,0,0,0}
};
-static struct v4l2_tuner pvr_v4l2_tuners[]= {
- {
- .index = 0,
- .name = "TV Tuner",
- .type = V4L2_TUNER_ANALOG_TV,
- .capability = (V4L2_TUNER_CAP_NORM |
- V4L2_TUNER_CAP_STEREO |
- V4L2_TUNER_CAP_LANG1 |
- V4L2_TUNER_CAP_LANG2),
- .rangelow = 0,
- .rangehigh = 0,
- .rxsubchans = V4L2_TUNER_SUB_STEREO,
- .audmode = V4L2_TUNER_MODE_STEREO,
- .signal = 0,
- .afc = 0,
- .reserved = {0,0,0,0}
- }
-};
-
static struct v4l2_fmtdesc pvr_fmtdesc [] = {
{
.index = 0,
case VIDIOC_G_TUNER:
{
struct v4l2_tuner *vt = (struct v4l2_tuner *)arg;
- unsigned int status_mask;
- int val;
- if (vt->index !=0) break;
-
- status_mask = pvr2_hdw_get_signal_status(hdw);
-
- memcpy(vt, &pvr_v4l2_tuners[vt->index],
- sizeof(struct v4l2_tuner));
-
- vt->signal = 0;
- if (status_mask & PVR2_SIGNAL_OK) {
- if (status_mask & PVR2_SIGNAL_STEREO) {
- vt->rxsubchans = V4L2_TUNER_SUB_STEREO;
- } else {
- vt->rxsubchans = V4L2_TUNER_SUB_MONO;
- }
- if (status_mask & PVR2_SIGNAL_SAP) {
- vt->rxsubchans |= (V4L2_TUNER_SUB_LANG1 |
- V4L2_TUNER_SUB_LANG2);
- }
- vt->signal = 65535;
- }
-
- val = 0;
- ret = pvr2_ctrl_get_value(
- pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_AUDIOMODE),
- &val);
- vt->audmode = val;
+ pvr2_hdw_execute_tuner_poll(hdw);
+ ret = pvr2_hdw_get_tuner_status(hdw,vt);
break;
}
{
const struct v4l2_frequency *vf = (struct v4l2_frequency *)arg;
unsigned long fv;
- fv = vf->frequency;
+ struct v4l2_tuner vt;
+ int cur_input;
+ struct pvr2_ctrl *ctrlp;
+ ret = pvr2_hdw_get_tuner_status(hdw,&vt);
+ if (ret != 0) break;
+ ctrlp = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT);
+ ret = pvr2_ctrl_get_value(ctrlp,&cur_input);
+ if (ret != 0) break;
if (vf->type == V4L2_TUNER_RADIO) {
+ if (cur_input != PVR2_CVAL_INPUT_RADIO) {
+ pvr2_ctrl_set_value(ctrlp,
+ PVR2_CVAL_INPUT_RADIO);
+ }
+ } else {
+ if (cur_input == PVR2_CVAL_INPUT_RADIO) {
+ pvr2_ctrl_set_value(ctrlp,
+ PVR2_CVAL_INPUT_TV);
+ }
+ }
+ fv = vf->frequency;
+ if (vt.capability & V4L2_TUNER_CAP_LOW) {
fv = (fv * 125) / 2;
} else {
fv = fv * 62500;
{
struct v4l2_frequency *vf = (struct v4l2_frequency *)arg;
int val = 0;
- int cur_input = PVR2_CVAL_INPUT_TV;
+ int cur_input;
+ struct v4l2_tuner vt;
+ ret = pvr2_hdw_get_tuner_status(hdw,&vt);
+ if (ret != 0) break;
ret = pvr2_ctrl_get_value(
pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_FREQUENCY),
&val);
pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_INPUT),
&cur_input);
if (cur_input == PVR2_CVAL_INPUT_RADIO) {
- val = (val * 2) / 125;
- vf->frequency = val;
vf->type = V4L2_TUNER_RADIO;
} else {
- val /= 62500;
- vf->frequency = val;
vf->type = V4L2_TUNER_ANALOG_TV;
}
+ if (vt.capability & V4L2_TUNER_CAP_LOW) {
+ val = (val * 2) / 125;
+ } else {
+ val /= 62500;
+ }
+ vf->frequency = val;
break;
}
}
-static int decoder_is_tuned(struct pvr2_v4l_decoder *ctxt)
-{
- struct v4l2_tuner vt;
- int ret;
-
- memset(&vt,0,sizeof(vt));
- ret = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_G_TUNER,&vt);
- if (ret < 0) return -EINVAL;
- return vt.signal ? 1 : 0;
-}
-
-
static unsigned int decoder_describe(struct pvr2_v4l_decoder *ctxt,char *buf,unsigned int cnt)
{
return scnprintf(buf,cnt,"handler: pvrusb2-video-v4l");
ctxt->ctrl.ctxt = ctxt;
ctxt->ctrl.detach = (void (*)(void *))decoder_detach;
ctxt->ctrl.enable = (void (*)(void *,int))decoder_enable;
- ctxt->ctrl.tuned = (int (*)(void *))decoder_is_tuned;
ctxt->client = cp;
ctxt->hdw = hdw;
ctxt->stale_mask = (1 << (sizeof(decoder_ops)/
projects / openwrt / staging / blogic.git / commitdiff