[media] xc4000: added card_type

This patch adds support for selecting a card type in struct
xc4000_config, to allow for implementing some card specific code
in the driver.

Signed-off-by: Istvan Varga <istvan_v@mailbox.hu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/common/tuners/xc4000.c b/drivers/media/common/tuners/xc4000.c
index 71739dc..0afb61f 100644 (file)
--- a/drivers/media/common/tuners/xc4000.c
+++ b/drivers/media/common/tuners/xc4000.c
@@ -90,6 +90,7 @@ struct xc4000_priv {
        u32     bandwidth;
        u8      video_standard;
        u8      rf_mode;
+       u8      card_type;
        u8      ignore_i2c_write_errors;
  /*    struct xc2028_ctrl      ctrl; */
        struct firmware_properties cur_fw;
@@ -1433,6 +1434,16 @@ struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
        int     instance;
        u16     id = 0;
 
+       if (cfg->card_type != XC4000_CARD_GENERIC) {
+               if (cfg->card_type == XC4000_CARD_WINFAST_CX88) {
+                       cfg->i2c_address = 0x61;
+                       cfg->if_khz = 4560;
+               } else {                        /* default to PCTV 340E */
+                       cfg->i2c_address = 0x61;
+                       cfg->if_khz = 5400;
+               }
+       }
+
        dprintk(1, "%s(%d-%04x)\n", __func__,
                i2c ? i2c_adapter_id(i2c) : -1,
                cfg ? cfg->i2c_address : -1);
@@ -1442,6 +1453,8 @@ struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
        instance = hybrid_tuner_request_state(struct xc4000_priv, priv,
                                              hybrid_tuner_instance_list,
                                              i2c, cfg->i2c_address, "xc4000");
+       if (cfg->card_type != XC4000_CARD_GENERIC)
+               priv->card_type = cfg->card_type;
        switch (instance) {
        case 0:
                goto fail;
@@ -1458,7 +1471,7 @@ struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
                break;
        }
 
-       if (priv->if_khz == 0) {
+       if (cfg->if_khz != 0) {
                /* If the IF hasn't been set yet, use the value provided by
                   the caller (occurs in hybrid devices where the analog
                   call to xc4000_attach occurs before the digital side) */

diff --git a/drivers/media/common/tuners/xc4000.h b/drivers/media/common/tuners/xc4000.h
index 3881ba2..d560d01 100644 (file)
--- a/drivers/media/common/tuners/xc4000.h
+++ b/drivers/media/common/tuners/xc4000.h
@@ -27,8 +27,13 @@
 struct dvb_frontend;
 struct i2c_adapter;
 
+#define XC4000_CARD_GENERIC            0
+#define XC4000_CARD_PCTV_340E          1
+#define XC4000_CARD_WINFAST_CX88       2
+
 struct xc4000_config {
-       u8      i2c_address;
+       u8      card_type;      /* if card type is not generic, all other */
+       u8      i2c_address;    /* parameters are automatically set */
        u32     if_khz;
 };