V4L/DVB: ngene: add initial support for digital side of Avermedia m780

Add ATSC/QAM support for the Avermedia m780.  Note that this patch does
not include any analog support for the board, as the ngene bridge driver does
not yet have analog implemented

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

1 files changed, 51 insertions, 1 deletions

diff --git a/drivers/media/dvb/ngene/ngene-core.c b/drivers/media/dvb/ngene/ngene-core.c
index 34eaedf65eea..ae1f6127f142 100644
--- a/drivers/media/dvb/ngene/ngene-core.c
+++ b/drivers/media/dvb/ngene/ngene-core.c
@@ -46,6 +46,8 @@
 #include "stv6110x.h"
 #include "stv090x.h"
 #include "lnbh24.h"
+#include "lgdt330x.h"
+#include "mt2131.h"
 
 static int one_adapter = 1;
 module_param(one_adapter, int, 0444);
@@ -513,11 +515,12 @@ static int ngene_command_gpio_set(struct ngene *dev, u8 select, u8 level)
 
 /****************************************************************************/
 
-static u8 TSFeatureDecoderSetup[8 * 4] = {
+static u8 TSFeatureDecoderSetup[8 * 5] = {
         0x42, 0x00, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00,
         0x40, 0x06, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* DRXH */
         0x71, 0x07, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* DRXHser */
         0x72, 0x06, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* S2ser */
+        0x40, 0x07, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* LGDT3303 */
 };
 
 /* Set NGENE I2S Config to 16 bit packed */
@@ -1696,6 +1699,34 @@ static int demod_attach_stv0900(struct ngene_channel *chan)
         return 0;
 }
 
+static struct lgdt330x_config aver_m780 = {
+        .demod_address = 0xb2 >> 1,
+        .demod_chip    = LGDT3303,
+        .serial_mpeg   = 0x00, /* PARALLEL */
+        .clock_polarity_flip = 1,
+};
+
+static struct mt2131_config m780_tunerconfig = {
+        0xc0 >> 1
+};
+
+/* A single func to attach the demo and tuner, rather than
+ * use two sep funcs like the current design mandates.
+ */
+static int demod_attach_lg330x(struct ngene_channel *chan)
+{
+        chan->fe = dvb_attach(lgdt330x_attach, &aver_m780, &chan->i2c_adapter);
+        if (chan->fe == NULL) {
+                printk(KERN_ERR DEVICE_NAME ": No LGDT330x found!\n");
+                return -ENODEV;
+        }
+
+        dvb_attach(mt2131_attach, chan->fe, &chan->i2c_adapter,
+                   &m780_tunerconfig, 0);
+
+        return (chan->fe) ? 0 : -ENODEV;
+}
+
 /****************************************************************************/
 /****************************************************************************/
 /****************************************************************************/
@@ -1961,6 +1992,24 @@ static struct ngene_info ngene_info_cineS2v5 = {
         .fw_version     = 15,
 };
 
+static struct ngene_info ngene_info_m780 = {
+        .type           = NGENE_APP,
+        .name           = "Aver M780 ATSC/QAM-B",
+
+        /* Channel 0 is analog, which is currently unsupported */
+        .io_type        = { NGENE_IO_NONE, NGENE_IO_TSIN },
+        .demod_attach   = { NULL, demod_attach_lg330x },
+
+        /* Ensure these are NULL else the frame will call them (as funcs) */
+        .tuner_attach   = { 0, 0, 0, 0 },
+        .fe_config      = { NULL, &aver_m780 },
+        .avf            = { 0 },
+
+        /* A custom electrical interface config for the demod to bridge */
+        .tsf            = { 4, 4 },
+        .fw_version     = 15,
+};
+
 /****************************************************************************/
 
 
@@ -1982,6 +2031,7 @@ static const struct pci_device_id ngene_id_tbl[] __devinitdata = {
         NGENE_ID(0x18c3, 0xdb01, ngene_info_satixS2),
         NGENE_ID(0x18c3, 0xdb02, ngene_info_satixS2v2),
         NGENE_ID(0x18c3, 0xdd00, ngene_info_cineS2v5),
+        NGENE_ID(0x1461, 0x062e, ngene_info_m780),
         {0}
 };
 MODULE_DEVICE_TABLE(pci, ngene_id_tbl);