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path: root/drivers/staging/tm6000/tm6000-cards.c
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Diffstat (limited to 'drivers/staging/tm6000/tm6000-cards.c')
-rw-r--r--drivers/staging/tm6000/tm6000-cards.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/staging/tm6000/tm6000-cards.c b/drivers/staging/tm6000/tm6000-cards.c
index 0a70c19df9e3..e09d75707714 100644
--- a/drivers/staging/tm6000/tm6000-cards.c
+++ b/drivers/staging/tm6000/tm6000-cards.c
@@ -297,6 +297,78 @@ int tm6000_tuner_callback(void *ptr, int component, int command, int arg)
return (rc);
}
+int tm6000_cards_setup(struct tm6000_core *dev)
+{
+ int i, rc;
+
+ /*
+ * Board-specific initialization sequence. Handles all GPIO
+ * initialization sequences that are board-specific.
+ * Up to now, all found devices use GPIO1 and GPIO4 at the same way.
+ * Probably, they're all based on some reference device. Due to that,
+ * there's a common routine at the end to handle those GPIO's. Devices
+ * that use different pinups or init sequences can just return at
+ * the board-specific session.
+ */
+ switch (dev->model) {
+ case TM6010_BOARD_HAUPPAUGE_900H:
+ /* Turn xceive 3028 on */
+ tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN, TM6010_GPIO_3, 0x01);
+ msleep(11);
+ break;
+ default:
+ break;
+ }
+
+ /*
+ * Default initialization. Most of the devices seem to use GPIO1
+ * and GPIO4.on the same way, so, this handles the common sequence
+ * used by most devices.
+ * If a device uses a different sequence or different GPIO pins for
+ * reset, just add the code at the board-specific part
+ */
+ for (i = 0; i < 2; i++) {
+ rc = tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN,
+ dev->tuner_reset_gpio, 0x00);
+ if (rc < 0) {
+ printk(KERN_ERR "Error %i doing GPIO1 reset\n", rc);
+ return rc;
+ }
+
+ msleep(10); /* Just to be conservative */
+ rc = tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN,
+ dev->tuner_reset_gpio, 0x01);
+ if (rc < 0) {
+ printk(KERN_ERR "Error %i doing GPIO1 reset\n", rc);
+ return rc;
+ }
+
+ msleep(10);
+ rc = tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN, TM6000_GPIO_4, 0);
+ if (rc < 0) {
+ printk(KERN_ERR "Error %i doing GPIO4 reset\n", rc);
+ return rc;
+ }
+
+ msleep(10);
+ rc = tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN, TM6000_GPIO_4, 1);
+ if (rc < 0) {
+ printk(KERN_ERR "Error %i doing GPIO4 reset\n", rc);
+ return rc;
+ }
+
+ if (!i) {
+ rc = tm6000_get_reg16(dev, 0x40, 0, 0);
+ if (rc >= 0)
+ printk(KERN_DEBUG "board=%d\n", rc);
+ }
+ }
+
+ msleep(50);
+
+ return 0;
+};
+
static void tm6000_config_tuner (struct tm6000_core *dev)
{
struct tuner_setup tun_setup;