[PATCH] bttv: Add noname Bt848 capture card with 14MHz xtal

[Ondrej Zary]

Add support for noname Bt848 capture-only card (3x composite, 1x S-VHS)
with 14MHz crystal: 
http://www.rainbow-software.org/images/hardware/bt848_.jpg

14MHz PLL was not supported by bttv driver until now.

Signed-off-by: Ondrej Zary <li...@rainbow-software.org>

diff --git a/drivers/media/pci/bt8xx/bttv-cards.c 
b/drivers/media/pci/bt8xx/bttv-cards.c
index b7dc921..8bcf638 100644
--- a/drivers/media/pci/bt8xx/bttv-cards.c
+++ b/drivers/media/pci/bt8xx/bttv-cards.c
@@ -131,7 +131,7 @@ MODULE_PARM_DESC(vsfx,"set VSFX pci config bit "
                 "[yet another chipset flaw workaround]");
 MODULE_PARM_DESC(latency,"pci latency timer");
 MODULE_PARM_DESC(card,"specify TV/grabber card model, see CARDLIST file for a 
list");
-MODULE_PARM_DESC(pll,"specify installed crystal (0=none, 28=28 MHz, 35=35 
MHz)");
+MODULE_PARM_DESC(pll,"specify installed crystal (0=none, 28=28 MHz, 35=35 MHz, 
14=14 MHz)");
 MODULE_PARM_DESC(tuner,"specify installed tuner type");
 MODULE_PARM_DESC(autoload, "obsolete option, please do not use anymore");
 MODULE_PARM_DESC(audiodev, "specify audio device:\n"
@@ -2825,6 +2825,14 @@ struct tvcard bttv_tvcards[] = {
                .muxsel         = MUXSEL(2, 3, 1, 0),
                .tuner_type     = TUNER_ABSENT,
        },
+       [BTTV_BOARD_BT848_CAP_14] = {
+               .name           = "Bt848 Capture 14MHz",
+               .video_inputs   = 4,
+               .svhs           = 2,
+               .muxsel         = MUXSEL(2, 3, 1, 0),
+               .pll            = PLL_14,
+               .tuner_type     = TUNER_ABSENT,
+       },
 
 };
 
@@ -3390,6 +3398,10 @@ void bttv_init_card2(struct bttv *btv)
                        btv->pll.pll_ifreq=35468950;
                        btv->pll.pll_crystal=BT848_IFORM_XT1;
                }
+               if (PLL_14 == bttv_tvcards[btv->c.type].pll) {
+                       btv->pll.pll_ifreq=14318181;
+                       btv->pll.pll_crystal=BT848_IFORM_XT0;
+               }
                /* insmod options can override */
                switch (pll[btv->c.nr]) {
                case 0: /* none */
@@ -3409,6 +3421,12 @@ void bttv_init_card2(struct bttv *btv)
                        btv->pll.pll_ofreq   = 0;
                        btv->pll.pll_crystal = BT848_IFORM_XT1;
                        break;
+               case 3: /* 14 MHz */
+               case 14:
+                       btv->pll.pll_ifreq   = 14318181;
+                       btv->pll.pll_ofreq   = 0;
+                       btv->pll.pll_crystal = BT848_IFORM_XT0;
+                       break;
                }
        }
        btv->pll.pll_current = -1;
diff --git a/drivers/media/pci/bt8xx/bttv.h b/drivers/media/pci/bt8xx/bttv.h
index 6139ce2..2d4b466 100644
--- a/drivers/media/pci/bt8xx/bttv.h
+++ b/drivers/media/pci/bt8xx/bttv.h
@@ -185,6 +185,7 @@
 #define BTTV_BOARD_PV183                   0x9f
 #define BTTV_BOARD_TVT_TD3116             0xa0
 #define BTTV_BOARD_APOSONIC_WDVR           0xa1
+#define BTTV_BOARD_BT848_CAP_14            0xa2
 
 /* more card-specific defines */
 #define PT2254_L_CHANNEL 0x10
@@ -232,6 +233,7 @@ struct tvcard {
 #define PLL_NONE 0
 #define PLL_28   1
 #define PLL_35   2
+#define PLL_14   3
 
        /* i2c audio flags */
        unsigned int no_msp34xx:1;


-- 
Ondrej Zary
--
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