V4L/DVB (6962): tda18271: allow device-specific configuration of IF frequency and std bits

Allow drivers to pass device-specific configuration parameters during attach.

If these parameters are omitted, default values will be used.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 28 insertions, 2 deletions

diff --git a/drivers/media/dvb/frontends/tda18271.h b/drivers/media/dvb/frontends/tda18271.h
index f53568103311..36a3a548a6f5 100644
--- a/drivers/media/dvb/frontends/tda18271.h
+++ b/drivers/media/dvb/frontends/tda18271.h
@@ -24,21 +24,47 @@
 #include <linux/i2c.h>
 #include "dvb_frontend.h"
 
+struct tda18271_std_map_item {
+        u32 if_freq;
+        u8 std_bits;
+};
+
+struct tda18271_std_map {
+        struct tda18271_std_map_item atv_b;
+        struct tda18271_std_map_item atv_dk;
+        struct tda18271_std_map_item atv_gh;
+        struct tda18271_std_map_item atv_i;
+        struct tda18271_std_map_item atv_l;
+        struct tda18271_std_map_item atv_lc;
+        struct tda18271_std_map_item atv_mn;
+        struct tda18271_std_map_item atsc_6;
+        struct tda18271_std_map_item dvbt_6;
+        struct tda18271_std_map_item dvbt_7;
+        struct tda18271_std_map_item dvbt_8;
+        struct tda18271_std_map_item qam_6;
+        struct tda18271_std_map_item qam_8;
+};
+
 enum tda18271_i2c_gate {
         TDA18271_GATE_AUTO = 0,
         TDA18271_GATE_ANALOG,
         TDA18271_GATE_DIGITAL,
 };
 
+struct tda18271_config {
+        struct tda18271_std_map *std_map;
+        enum tda18271_i2c_gate gate;
+};
+
 #if defined(CONFIG_DVB_TDA18271) || (defined(CONFIG_DVB_TDA18271_MODULE) && defined(MODULE))
 extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
                                             struct i2c_adapter *i2c,
-                                            enum tda18271_i2c_gate gate);
+                                            struct tda18271_config *cfg);
 #else
 static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe,
                                                    u8 addr,
                                                    struct i2c_adapter *i2c,
-                                                   enum tda18271_i2c_gate gate)
+                                                   struct tda18271_config *cfg)
 {
         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
         return NULL;