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path: root/drivers/media/dvb/frontends/dvb-pll.c
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Diffstat (limited to 'drivers/media/dvb/frontends/dvb-pll.c')
-rw-r--r--drivers/media/dvb/frontends/dvb-pll.c82
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)
{