aboutsummaryrefslogtreecommitdiff
path: root/drivers/media
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/bt8xx/bttv-cards.c238
1 files changed, 134 insertions, 104 deletions
diff --git a/drivers/media/video/bt8xx/bttv-cards.c b/drivers/media/video/bt8xx/bttv-cards.c
index 387cb2122d4..f6715007d40 100644
--- a/drivers/media/video/bt8xx/bttv-cards.c
+++ b/drivers/media/video/bt8xx/bttv-cards.c
@@ -33,6 +33,7 @@
#include <linux/pci.h>
#include <linux/vmalloc.h>
#include <linux/firmware.h>
+#include <net/checksum.h>
#include <asm/io.h>
@@ -45,7 +46,7 @@ static void boot_msp34xx(struct bttv *btv, int pin);
static void boot_bt832(struct bttv *btv);
static void hauppauge_eeprom(struct bttv *btv);
static void avermedia_eeprom(struct bttv *btv);
-static void osprey_eeprom(struct bttv *btv);
+static void osprey_eeprom(struct bttv *btv, const u8 ee[256]);
static void modtec_eeprom(struct bttv *btv);
static void init_PXC200(struct bttv *btv);
static void init_RTV24(struct bttv *btv);
@@ -2843,13 +2844,28 @@ struct tvcard bttv_tvcards[] = {
.has_remote = 1,
},
/* ---- card 0x8c ---------------------------------- */
+ /* Has four Bt878 chips behind a PCI bridge, each chip has:
+ one external BNC composite input (mux 2)
+ three internal composite inputs (unknown muxes)
+ an 18-bit stereo A/D (CS5331A), which has:
+ one external stereo unblanced (RCA) audio connection
+ one (or 3?) internal stereo balanced (XLR) audio connection
+ input is selected via gpio to a 14052B mux
+ (mask=0x300, unbal=0x000, bal=0x100, ??=0x200,0x300)
+ gain is controlled via an X9221A chip on the I2C bus @0x28
+ sample rate is controlled via gpio to an MK1413S
+ (mask=0x3, 32kHz=0x0, 44.1kHz=0x1, 48kHz=0x2, ??=0x3)
+ There is neither a tuner nor an svideo input. */
[BTTV_BOARD_OSPREY440] = {
.name = "Osprey 440",
- .video_inputs = 1,
- .audio_inputs = 1,
+ .video_inputs = 4,
+ .audio_inputs = 2, /* this is meaningless */
.tuner = UNSET,
- .svhs = 1,
- .muxsel = { 2 },
+ .svhs = UNSET,
+ .muxsel = { 2, 3, 0, 1 }, /* 3,0,1 are guesses */
+ .gpiomask = 0x303,
+ .gpiomute = 0x000, /* int + 32kHz */
+ .gpiomux = { 0, 0, 0x000, 0x100},
.pll = PLL_28,
.tuner_type = UNSET,
.tuner_addr = ADDR_UNSET,
@@ -3453,11 +3469,12 @@ void __devinit bttv_init_card2(struct bttv *btv)
case BTTV_BOARD_OSPREY2xx:
case BTTV_BOARD_OSPREY2x0_SVID:
case BTTV_BOARD_OSPREY2x0:
+ case BTTV_BOARD_OSPREY440:
case BTTV_BOARD_OSPREY500:
case BTTV_BOARD_OSPREY540:
case BTTV_BOARD_OSPREY2000:
bttv_readee(btv,eeprom_data,0xa0);
- osprey_eeprom(btv);
+ osprey_eeprom(btv, eeprom_data);
break;
case BTTV_BOARD_IDS_EAGLE:
init_ids_eagle(btv);
@@ -3748,106 +3765,119 @@ static int __devinit pvr_boot(struct bttv *btv)
/* ----------------------------------------------------------------------- */
/* some osprey specific stuff */
-static void __devinit osprey_eeprom(struct bttv *btv)
+static void __devinit osprey_eeprom(struct bttv *btv, const u8 ee[256])
{
- int i = 0;
- unsigned char *ee = eeprom_data;
- unsigned long serial = 0;
-
- if (btv->c.type == 0) {
- /* this might be an antique... check for MMAC label in eeprom */
- if ((ee[0]=='M') && (ee[1]=='M') && (ee[2]=='A') && (ee[3]=='C')) {
- unsigned char checksum = 0;
- for (i = 0; i < 21; i++)
- checksum += ee[i];
- if (checksum != ee[21])
- return;
- btv->c.type = BTTV_BOARD_OSPREY1x0_848;
- for (i = 12; i < 21; i++)
- serial *= 10, serial += ee[i] - '0';
- }
+ int i;
+ u32 serial = 0;
+ int cardid = -1;
+
+ /* This code will nevery actually get called in this case.... */
+ if (btv->c.type == BTTV_BOARD_UNKNOWN) {
+ /* this might be an antique... check for MMAC label in eeprom */
+ if (!strncmp(ee, "MMAC", 4)) {
+ u8 checksum = 0;
+ for (i = 0; i < 21; i++)
+ checksum += ee[i];
+ if (checksum != ee[21])
+ return;
+ cardid = BTTV_BOARD_OSPREY1x0_848;
+ for (i = 12; i < 21; i++)
+ serial *= 10, serial += ee[i] - '0';
+ }
} else {
- unsigned short type;
- int offset = 4*16;
-
- for (; offset < 8*16; offset += 16) {
- unsigned short checksum = 0;
- /* verify the checksum */
- for (i = 0; i < 14; i++)
- checksum += ee[i+offset];
- checksum = ~checksum; /* no idea why */
- if ((((checksum>>8)&0x0FF) == ee[offset+14]) &&
- ((checksum & 0x0FF) == ee[offset+15])) {
- break;
- }
- }
-
- if (offset >= 8*16)
- return;
-
- /* found a valid descriptor */
- type = (ee[offset+4]<<8) | (ee[offset+5]);
-
- switch(type) {
- /* 848 based */
- case 0x0004:
- btv->c.type = BTTV_BOARD_OSPREY1x0_848;
- break;
- case 0x0005:
- btv->c.type = BTTV_BOARD_OSPREY101_848;
- break;
-
- /* 878 based */
- case 0x0012:
- case 0x0013:
- btv->c.type = BTTV_BOARD_OSPREY1x0;
- break;
- case 0x0014:
- case 0x0015:
- btv->c.type = BTTV_BOARD_OSPREY1x1;
- break;
- case 0x0016:
- case 0x0017:
- case 0x0020:
- btv->c.type = BTTV_BOARD_OSPREY1x1_SVID;
- break;
- case 0x0018:
- case 0x0019:
- case 0x001E:
- case 0x001F:
- btv->c.type = BTTV_BOARD_OSPREY2xx;
- break;
- case 0x001A:
- case 0x001B:
- btv->c.type = BTTV_BOARD_OSPREY2x0_SVID;
- break;
- case 0x0040:
- btv->c.type = BTTV_BOARD_OSPREY500;
- break;
- case 0x0050:
- case 0x0056:
- btv->c.type = BTTV_BOARD_OSPREY540;
- /* bttv_osprey_540_init(btv); */
- break;
- case 0x0060:
- case 0x0070:
- case 0x00A0:
- btv->c.type = BTTV_BOARD_OSPREY2x0;
- /* enable output on select control lines */
- gpio_inout(0xffffff,0x000303);
- break;
- default:
- /* unknown...leave generic, but get serial # */
- break;
- }
- serial = (ee[offset+6] << 24)
- | (ee[offset+7] << 16)
- | (ee[offset+8] << 8)
- | (ee[offset+9]);
- }
-
- printk(KERN_INFO "bttv%d: osprey eeprom: card=%d name=%s serial=%ld\n",
- btv->c.nr, btv->c.type, bttv_tvcards[btv->c.type].name,serial);
+ unsigned short type;
+
+ for (i = 4*16; i < 8*16; i += 16) {
+ u16 checksum = ip_compute_csum(ee + i, 16);
+
+ if ((checksum&0xff) + (checksum>>8) == 0xff)
+ break;
+ }
+ if (i >= 8*16)
+ return;
+ ee += i;
+
+ /* found a valid descriptor */
+ type = be16_to_cpup((u16*)(ee+4));
+
+ switch(type) {
+ /* 848 based */
+ case 0x0004:
+ cardid = BTTV_BOARD_OSPREY1x0_848;
+ break;
+ case 0x0005:
+ cardid = BTTV_BOARD_OSPREY101_848;
+ break;
+
+ /* 878 based */
+ case 0x0012:
+ case 0x0013:
+ cardid = BTTV_BOARD_OSPREY1x0;
+ break;
+ case 0x0014:
+ case 0x0015:
+ cardid = BTTV_BOARD_OSPREY1x1;
+ break;
+ case 0x0016:
+ case 0x0017:
+ case 0x0020:
+ cardid = BTTV_BOARD_OSPREY1x1_SVID;
+ break;
+ case 0x0018:
+ case 0x0019:
+ case 0x001E:
+ case 0x001F:
+ cardid = BTTV_BOARD_OSPREY2xx;
+ break;
+ case 0x001A:
+ case 0x001B:
+ cardid = BTTV_BOARD_OSPREY2x0_SVID;
+ break;
+ case 0x0040:
+ cardid = BTTV_BOARD_OSPREY500;
+ break;
+ case 0x0050:
+ case 0x0056:
+ cardid = BTTV_BOARD_OSPREY540;
+ /* bttv_osprey_540_init(btv); */
+ break;
+ case 0x0060:
+ case 0x0070:
+ case 0x00A0:
+ cardid = BTTV_BOARD_OSPREY2x0;
+ /* enable output on select control lines */
+ gpio_inout(0xffffff,0x000303);
+ break;
+ case 0x00D8:
+ cardid = BTTV_BOARD_OSPREY440;
+ break;
+ default:
+ /* unknown...leave generic, but get serial # */
+ printk(KERN_INFO "bttv%d: "
+ "osprey eeprom: unknown card type 0x%04x\n",
+ btv->c.nr, type);
+ break;
+ }
+ serial = be32_to_cpup((u32*)(ee+6));
+ }
+
+ printk(KERN_INFO "bttv%d: osprey eeprom: card=%d '%s' serial=%u\n",
+ btv->c.nr, cardid,
+ cardid>0 ? bttv_tvcards[cardid].name : "Unknown", serial);
+
+ if (cardid<0 || btv->c.type == cardid)
+ return;
+
+ /* card type isn't set correctly */
+ if (card[btv->c.nr] < bttv_num_tvcards) {
+ printk(KERN_WARNING "bttv%d: osprey eeprom: "
+ "Not overriding user specified card type\n", btv->c.nr);
+ } else {
+ printk(KERN_INFO "bttv%d: osprey eeprom: "
+ "Changing card type from %d to %d\n", btv->c.nr,
+ btv->c.type, cardid);
+ btv->c.type = cardid;
+ }
}
/* ----------------------------------------------------------------------- */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 07:54:57 +0000