V4L/DVB (12207): cx18: Add an EEPROM dump routine for the Yuan MPC718 and future...

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>

diff --git a/drivers/media/video/cx18/cx18-cards.c b/drivers/media/video/cx18/cx18-cards.c
index 36f2d76..96b687b 100644 (file)
--- a/drivers/media/video/cx18/cx18-cards.c
+++ b/drivers/media/video/cx18/cx18-cards.c
@@ -204,7 +204,7 @@ static const struct cx18_card cx18_card_mpc718 = {
        .v4l2_capabilities = CX18_CAP_ENCODER,
        .hw_audio_ctrl = CX18_HW_418_AV,
        .hw_muxer = CX18_HW_GPIO_MUX,
-       .hw_all = CX18_HW_418_AV | CX18_HW_TUNER |
+       .hw_all = CX18_HW_TVEEPROM | CX18_HW_418_AV | CX18_HW_TUNER |
                  CX18_HW_GPIO_MUX | CX18_HW_DVB | CX18_HW_GPIO_RESET_CTRL,
        .video_inputs = {
                { CX18_CARD_INPUT_VID_TUNER,  0, CX18_AV_COMPOSITE2 },

diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index 92026e8..dd0224f 100644 (file)
--- 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;