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path: root/drivers/media/dvb/dvb-usb/m920x.c
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/m920x.c')
-rw-r--r--drivers/media/dvb/dvb-usb/m920x.c127
1 files changed, 82 insertions, 45 deletions
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c
index c546ddeda5d4..a956bc503a4c 100644
--- a/drivers/media/dvb/dvb-usb/m920x.c
+++ b/drivers/media/dvb/dvb-usb/m920x.c
@@ -22,6 +22,8 @@ static int dvb_usb_m920x_debug;
module_param_named(debug,dvb_usb_m920x_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
+static int m920x_set_filter(struct dvb_usb_device *d, int type, int idx, int pid);
+
static inline int m920x_read(struct usb_device *udev, u8 request, u16 value,
u16 index, void *data, int size)
{
@@ -57,7 +59,8 @@ static inline int m920x_write(struct usb_device *udev, u8 request,
static int m920x_init(struct dvb_usb_device *d, struct m920x_inits *rc_seq)
{
- int ret = 0;
+ int ret = 0, i, epi, flags = 0;
+ int adap_enabled[M9206_MAX_ADAPTERS] = { 0 };
/* Remote controller init. */
if (d->props.rc_query) {
@@ -76,9 +79,51 @@ static int m920x_init(struct dvb_usb_device *d, struct m920x_inits *rc_seq)
deb("Initialising remote control success\n");
}
+ for (i = 0; i < d->props.num_adapters; i++)
+ flags |= d->adapter[i].props.caps;
+
+ /* Some devices(Dposh) might crash if we attempt touch at all. */
+ if (flags & DVB_USB_ADAP_HAS_PID_FILTER) {
+ for (i = 0; i < d->props.num_adapters; i++) {
+ epi = d->adapter[i].props.stream.endpoint - 0x81;
+
+ if (epi < 0 || epi >= M9206_MAX_ADAPTERS) {
+ printk(KERN_INFO "m920x: Unexpected adapter endpoint!\n");
+ return -EINVAL;
+ }
+
+ adap_enabled[epi] = 1;
+ }
+
+ for (i = 0; i < M9206_MAX_ADAPTERS; i++) {
+ if (adap_enabled[i])
+ continue;
+
+ if ((ret = m920x_set_filter(d, 0x81 + i, 0, 0x0)) != 0)
+ return ret;
+
+ if ((ret = m920x_set_filter(d, 0x81 + i, 0, 0x02f5)) != 0)
+ return ret;
+ }
+ }
+
return ret;
}
+static int m920x_init_ep(struct usb_interface *intf)
+{
+ struct usb_device *udev = interface_to_usbdev(intf);
+ struct usb_host_interface *alt;
+
+ if ((alt = usb_altnum_to_altsetting(intf, 1)) == NULL) {
+ deb("No alt found!\n");
+ return -ENODEV;
+ }
+
+ return usb_set_interface(udev, alt->desc.bInterfaceNumber,
+ alt->desc.bAlternateSetting);
+}
+
static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
struct m920x_state *m = d->priv;
@@ -211,8 +256,7 @@ static struct i2c_algorithm m920x_i2c_algo = {
};
/* pid filter */
-static int m920x_set_filter(struct dvb_usb_adapter *adap,
- int type, int idx, int pid)
+static int m920x_set_filter(struct dvb_usb_device *d, int type, int idx, int pid)
{
int ret = 0;
@@ -221,10 +265,10 @@ static int m920x_set_filter(struct dvb_usb_adapter *adap,
pid |= 0x8000;
- if ((ret = m920x_write(adap->dev->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
+ if ((ret = m920x_write(d->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
return ret;
- if ((ret = m920x_write(adap->dev->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
+ if ((ret = m920x_write(d->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
return ret;
return ret;
@@ -233,40 +277,35 @@ static int m920x_set_filter(struct dvb_usb_adapter *adap,
static int m920x_update_filters(struct dvb_usb_adapter *adap)
{
struct m920x_state *m = adap->dev->priv;
- int enabled = m->filtering_enabled;
+ int enabled = m->filtering_enabled[adap->id];
int i, ret = 0, filter = 0;
+ int ep = adap->props.stream.endpoint;
for (i = 0; i < M9206_MAX_FILTERS; i++)
- if (m->filters[i] == 8192)
+ if (m->filters[adap->id][i] == 8192)
enabled = 0;
/* Disable all filters */
- if ((ret = m920x_set_filter(adap, 0x81, 1, enabled)) != 0)
+ if ((ret = m920x_set_filter(adap->dev, ep, 1, enabled)) != 0)
return ret;
for (i = 0; i < M9206_MAX_FILTERS; i++)
- if ((ret = m920x_set_filter(adap, 0x81, i + 2, 0)) != 0)
+ if ((ret = m920x_set_filter(adap->dev, ep, i + 2, 0)) != 0)
return ret;
- if ((ret = m920x_set_filter(adap, 0x82, 0, 0x0)) != 0)
- return ret;
-
/* Set */
if (enabled) {
for (i = 0; i < M9206_MAX_FILTERS; i++) {
- if (m->filters[i] == 0)
+ if (m->filters[adap->id][i] == 0)
continue;
- if ((ret = m920x_set_filter(adap, 0x81, filter + 2, m->filters[i])) != 0)
+ if ((ret = m920x_set_filter(adap->dev, ep, filter + 2, m->filters[adap->id][i])) != 0)
return ret;
filter++;
}
}
- if ((ret = m920x_set_filter(adap, 0x82, 0, 0x02f5)) != 0)
- return ret;
-
return ret;
}
@@ -274,7 +313,7 @@ static int m920x_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
struct m920x_state *m = adap->dev->priv;
- m->filtering_enabled = onoff ? 1 : 0;
+ m->filtering_enabled[adap->id] = onoff ? 1 : 0;
return m920x_update_filters(adap);
}
@@ -283,7 +322,7 @@ static int m920x_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, in
{
struct m920x_state *m = adap->dev->priv;
- m->filters[index] = onoff ? pid : 0;
+ m->filters[adap->id][index] = onoff ? pid : 0;
return m920x_update_filters(adap);
}
@@ -368,6 +407,7 @@ static int m920x_identify_state(struct usb_device *udev,
/* demod configurations */
static int m920x_mt352_demod_init(struct dvb_frontend *fe)
{
+ int ret;
u8 config[] = { CONFIG, 0x3d };
u8 clock[] = { CLOCK_CTL, 0x30 };
u8 reset[] = { RESET, 0x80 };
@@ -377,17 +417,25 @@ static int m920x_mt352_demod_init(struct dvb_frontend *fe)
u8 unk1[] = { 0x93, 0x1a };
u8 unk2[] = { 0xb5, 0x7a };
- mt352_write(fe, config, ARRAY_SIZE(config));
- mt352_write(fe, clock, ARRAY_SIZE(clock));
- mt352_write(fe, reset, ARRAY_SIZE(reset));
- mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl));
- mt352_write(fe, agc, ARRAY_SIZE(agc));
- mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc));
- mt352_write(fe, unk1, ARRAY_SIZE(unk1));
- mt352_write(fe, unk2, ARRAY_SIZE(unk2));
-
deb("Demod init!\n");
+ if ((ret = mt352_write(fe, config, ARRAY_SIZE(config))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, clock, ARRAY_SIZE(clock))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, reset, ARRAY_SIZE(reset))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, agc, ARRAY_SIZE(agc))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, unk1, ARRAY_SIZE(unk1))) != 0)
+ return ret;
+ if ((ret = mt352_write(fe, unk2, ARRAY_SIZE(unk2))) != 0)
+ return ret;
+
return 0;
}
@@ -558,8 +606,7 @@ static struct dvb_usb_device_properties dposh_properties;
static int m920x_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
- struct dvb_usb_device *d;
- struct usb_host_interface *alt;
+ struct dvb_usb_device *d = NULL;
int ret;
struct m920x_inits *rc_init_seq = NULL;
int bInterfaceNumber = intf->cur_altsetting->desc.bInterfaceNumber;
@@ -604,23 +651,13 @@ static int m920x_probe(struct usb_interface *intf,
* tvwalkertwin_properties already configured both
* tuners, so there is nothing for us to do here
*/
-
- return -ENODEV;
}
found:
- alt = usb_altnum_to_altsetting(intf, 1);
- if (alt == NULL) {
- deb("No alt found!\n");
- return -ENODEV;
- }
-
- ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber,
- alt->desc.bAlternateSetting);
- if (ret < 0)
+ if ((ret = m920x_init_ep(intf)) < 0)
return ret;
- if ((ret = m920x_init(d, rc_init_seq)) != 0)
+ if (d && (ret = m920x_init(d, rc_init_seq)) != 0)
return ret;
return ret;
@@ -737,9 +774,9 @@ static struct dvb_usb_device_properties digivox_mini_ii_properties = {
*
* LifeView TV Walker Twin has 1 x M9206, 2 x TDA10046, 2 x TDA8275A
* TDA10046 #0 is located at i2c address 0x08
- * TDA10046 #1 is located at i2c address 0x0b (presently disabled - not yet working)
+ * TDA10046 #1 is located at i2c address 0x0b
* TDA8275A #0 is located at i2c address 0x60
- * TDA8275A #1 is located at i2c address 0x61 (presently disabled - not yet working)
+ * TDA8275A #1 is located at i2c address 0x61
*/
static struct dvb_usb_device_properties tvwalkertwin_properties = {
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
@@ -756,7 +793,7 @@ static struct dvb_usb_device_properties tvwalkertwin_properties = {
.size_of_priv = sizeof(struct m920x_state),
.identify_state = m920x_identify_state,
- .num_adapters = 1,
+ .num_adapters = 2,
.adapter = {{
.caps = DVB_USB_ADAP_HAS_PID_FILTER |
DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-07 10:40:05 +0000