diff options
Diffstat (limited to 'drivers/media/dvb/frontends/dvb-pll.c')
| -rw-r--r-- | drivers/media/dvb/frontends/dvb-pll.c | 82 |
1 files changed, 53 insertions, 29 deletions
diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index 5f4762edc40..7b133248b2b 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -24,6 +24,36 @@ #include "dvb-pll.h" +struct dvb_pll_priv { + /* pll number */ + int nr; + + /* i2c details */ + int pll_i2c_address; + struct i2c_adapter *i2c; + + /* the PLL descriptor */ + struct dvb_pll_desc *pll_desc; + + /* cached frequency/bandwidth */ + u32 frequency; + u32 bandwidth; +}; + +#define DVB_PLL_MAX 16 + +static unsigned int dvb_pll_devcount; + +static int debug = 0; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "enable verbose debug messages"); + +static unsigned int input[DVB_PLL_MAX] = { [ 0 ... (DVB_PLL_MAX-1) ] = 0 }; +module_param_array(input, int, NULL, 0644); +MODULE_PARM_DESC(input,"specify rf input choice, 0 for autoselect (default)"); + +/* ----------------------------------------------------------- */ + struct dvb_pll_desc { char *name; u32 min; @@ -362,14 +392,32 @@ static struct dvb_pll_desc dvb_pll_tdhu2 = { static void tuv1236d_rf(struct dvb_frontend *fe, u8 *buf, const struct dvb_frontend_parameters *params) { - switch (params->u.vsb.modulation) { - case QAM_64: - case QAM_256: + struct dvb_pll_priv *priv = fe->tuner_priv; + unsigned int new_rf = input[priv->nr]; + + if ((new_rf == 0) || (new_rf > 2)) { + switch (params->u.vsb.modulation) { + case QAM_64: + case QAM_256: + new_rf = 1; + break; + case VSB_8: + default: + new_rf = 2; + } + } + + switch (new_rf) { + case 1: buf[3] |= 0x08; break; - case VSB_8: - default: + case 2: buf[3] &= ~0x08; + break; + default: + printk(KERN_WARNING + "%s: unhandled rf input selection: %d", + __FUNCTION__, new_rf); } } @@ -554,32 +602,8 @@ static struct dvb_pll_desc *pll_list[] = { }; /* ----------------------------------------------------------- */ - -struct dvb_pll_priv { - /* pll number */ - int nr; - - /* i2c details */ - int pll_i2c_address; - struct i2c_adapter *i2c; - - /* the PLL descriptor */ - struct dvb_pll_desc *pll_desc; - - /* cached frequency/bandwidth */ - u32 frequency; - u32 bandwidth; -}; - -/* ----------------------------------------------------------- */ /* code */ -static int debug = 0; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "enable verbose debug messages"); - -static unsigned int dvb_pll_devcount; - static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf, const struct dvb_frontend_parameters *params) { |