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authorAndy Walls <awalls@radix.net>2009-07-05 17:09:28 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-09-12 12:17:26 -0300
commit25a42e4d4a4e03d5807f8aa1a5619f4d805f6fd8 (patch)
treeefc1255c2a56302ee46df6fdc27569f372decdc0 /drivers/media/video/cx18/cx18-driver.c
parent76e9741d1d7deb332abbbc3d8fc4c55154e2c180 (diff)
V4L/DVB (12207): cx18: Add an EEPROM dump routine for the Yuan MPC718 and future cards
Add a routine for dumping the EEPROM of the MPC718. It is generic enough to use for other cards in the future that may have an EEPROM. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-driver.c')
-rw-r--r--drivers/media/video/cx18/cx18-driver.c41
1 files changed, 39 insertions, 2 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index 92026e82e10e..dd0224f328ad 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -268,6 +268,20 @@ static void cx18_iounmap(struct cx18 *cx)
}
}
+static void cx18_eeprom_dump(struct cx18 *cx, unsigned char *eedata, int len)
+{
+ int i;
+
+ CX18_INFO("eeprom dump:\n");
+ for (i = 0; i < len; i++) {
+ if (0 == (i % 16))
+ CX18_INFO("eeprom %02x:", i);
+ printk(KERN_CONT " %02x", eedata[i]);
+ if (15 == (i % 16))
+ printk(KERN_CONT "\n");
+ }
+}
+
/* Hauppauge card? get values from tveeprom */
void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv)
{
@@ -279,8 +293,26 @@ void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv)
c.adapter = &cx->i2c_adap[0];
c.addr = 0xA0 >> 1;
- tveeprom_read(&c, eedata, sizeof(eedata));
- tveeprom_hauppauge_analog(&c, tv, eedata);
+ memset(tv, 0, sizeof(*tv));
+ if (tveeprom_read(&c, eedata, sizeof(eedata)))
+ return;
+
+ switch (cx->card->type) {
+ case CX18_CARD_HVR_1600_ESMT:
+ case CX18_CARD_HVR_1600_SAMSUNG:
+ tveeprom_hauppauge_analog(&c, tv, eedata);
+ break;
+ case CX18_CARD_YUAN_MPC718:
+ tv->model = 0x718;
+ cx18_eeprom_dump(cx, eedata, sizeof(eedata));
+ CX18_INFO("eeprom PCI ID: %02x%02x:%02x%02x\n",
+ eedata[2], eedata[1], eedata[4], eedata[3]);
+ break;
+ default:
+ tv->model = 0xffffffff;
+ cx18_eeprom_dump(cx, eedata, sizeof(eedata));
+ break;
+ }
}
static void cx18_process_eeprom(struct cx18 *cx)
@@ -298,6 +330,11 @@ static void cx18_process_eeprom(struct cx18 *cx)
case 74000 ... 74999:
cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
break;
+ case 0x718:
+ return;
+ case 0xffffffff:
+ CX18_INFO("Unknown EEPROM encoding\n");
+ return;
case 0:
CX18_ERR("Invalid EEPROM\n");
return;