[media] cx231xx: add support for Hauppauge EXETER

Add support for various Hauppauge EXETER designs.

Note by DJH: fixed a few minor 'make checkpatch' warnings before commit.

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Devin Heitmueller <dheitmueller@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/drivers/media/video/cx231xx/cx231xx-dvb.c b/drivers/media/video/cx231xx/cx231xx-dvb.c
index 130794b971ce..3ff99e9f4a1f 100644
--- a/drivers/media/video/cx231xx/cx231xx-dvb.c
+++ b/drivers/media/video/cx231xx/cx231xx-dvb.c
@@ -32,6 +32,7 @@
 #include "s5h1432.h"
 #include "tda18271.h"
 #include "s5h1411.h"
+#include "lgdt3305.h"
 
 MODULE_DESCRIPTION("driver for cx231xx based DVB cards");
 MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>");
@@ -110,6 +111,30 @@ static struct s5h1411_config xc5000_s5h1411_config = {
         .status_mode   = S5H1411_DEMODLOCKING,
         .mpeg_timing   = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 };
+
+static struct lgdt3305_config hcw_lgdt3305_config = {
+        .i2c_addr           = 0x0e,
+        .mpeg_mode          = LGDT3305_MPEG_SERIAL,
+        .tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
+        .tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
+        .deny_i2c_rptr      = 1,
+        .spectral_inversion = 1,
+        .qam_if_khz         = 4000,
+        .vsb_if_khz         = 3250,
+};
+
+static struct tda18271_std_map hauppauge_tda18271_std_map = {
+        .atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 4,
+                      .if_lvl = 1, .rfagc_top = 0x58, },
+        .qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 5,
+                      .if_lvl = 1, .rfagc_top = 0x58, },
+};
+
+static struct tda18271_config hcw_tda18271_config = {
+        .std_map = &hauppauge_tda18271_std_map,
+        .gate    = TDA18271_GATE_DIGITAL,
+};
+
 static inline void print_err_status(struct cx231xx *dev, int packet, int status)
 {
         char *errmsg = "Unknown";
@@ -639,6 +664,30 @@ static int dvb_init(struct cx231xx *dev)
                         goto out_free;
                 }
                 break;
+        case CX231XX_BOARD_HAUPPAUGE_EXETER:
+
+                printk(KERN_INFO "%s: looking for tuner / demod on i2c bus: %d\n",
+                       __func__, i2c_adapter_id(&dev->i2c_bus[1].i2c_adap));
+
+                dev->dvb->frontend = dvb_attach(lgdt3305_attach,
+                                                &hcw_lgdt3305_config,
+                                                &dev->i2c_bus[1].i2c_adap);
+
+                if (dev->dvb->frontend == NULL) {
+                        printk(DRIVER_NAME
+                               ": Failed to attach LG3305 front end\n");
+                        result = -EINVAL;
+                        goto out_free;
+                }
+
+                /* define general-purpose callback pointer */
+                dvb->frontend->callback = cx231xx_tuner_callback;
+
+                dvb_attach(tda18271_attach, dev->dvb->frontend,
+                           0x60, &dev->i2c_bus[1].i2c_adap,
+                           &hcw_tda18271_config);
+                break;
+
 
         default:
                 printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card"