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path: root/drivers/media/video/em28xx/em28xx-cards.c
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Diffstat (limited to 'drivers/media/video/em28xx/em28xx-cards.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-cards.c155
1 files changed, 94 insertions, 61 deletions
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 3e3959fee419..4240f0b720fa 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -60,7 +60,7 @@ static unsigned int card[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
module_param_array(card, int, NULL, 0444);
MODULE_PARM_DESC(card, "card type");
-/* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS */
+/* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS - 1 */
static unsigned long em28xx_devused;
struct em28xx_hash_table {
@@ -317,6 +317,25 @@ static struct em28xx_reg_seq terratec_h5_digital[] = {
};
#endif
+/* 2013:024f PCTV DVB-S2 Stick 460e
+ * GPIO_0 - POWER_ON
+ * GPIO_1 - BOOST
+ * GPIO_2 - VUV_LNB (red LED)
+ * GPIO_3 - EXT_12V
+ * GPIO_4 - INT_DEM (DEMOD GPIO_0)
+ * GPIO_5 - INT_LNB
+ * GPIO_6 - RESET_DEM
+ * GPIO_7 - LED (green LED)
+ */
+static struct em28xx_reg_seq pctv_460e[] = {
+ {EM2874_R80_GPIO, 0x01, 0xff, 50},
+ {0x0d, 0xff, 0xff, 50},
+ {EM2874_R80_GPIO, 0x41, 0xff, 50}, /* GPIO_6=1 */
+ {0x0d, 0x42, 0xff, 50},
+ {EM2874_R80_GPIO, 0x61, 0xff, 50}, /* GPIO_5=1 */
+ { -1, -1, -1, -1},
+};
+
/*
* Board definitions
*/
@@ -1810,6 +1829,17 @@ struct em28xx_board em28xx_boards[] = {
.has_dvb = 1,
.ir_codes = RC_MAP_PINNACLE_PCTV_HD,
},
+ /* 2013:024f PCTV DVB-S2 Stick 460e
+ * Empia EM28174, NXP TDA10071, Conexant CX24118A and Allegro A8293 */
+ [EM28174_BOARD_PCTV_460E] = {
+ .i2c_speed = EM2874_I2C_SECONDARY_BUS_SELECT |
+ EM28XX_I2C_CLK_WAIT_ENABLE | EM28XX_I2C_FREQ_400_KHZ,
+ .name = "PCTV DVB-S2 Stick (460e)",
+ .tuner_type = TUNER_ABSENT,
+ .tuner_gpio = pctv_460e,
+ .has_dvb = 1,
+ .ir_codes = RC_MAP_PINNACLE_PCTV_HD,
+ },
};
const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards);
@@ -1941,6 +1971,8 @@ struct usb_device_id em28xx_id_table[] = {
.driver_info = EM2870_BOARD_KWORLD_A340 },
{ USB_DEVICE(0x2013, 0x024f),
.driver_info = EM28174_BOARD_PCTV_290E },
+ { USB_DEVICE(0x2013, 0x024c),
+ .driver_info = EM28174_BOARD_PCTV_460E },
{ },
};
MODULE_DEVICE_TABLE(usb, em28xx_id_table);
@@ -2768,9 +2800,9 @@ static void flush_request_modules(struct em28xx *dev)
#endif /* CONFIG_MODULES */
/*
- * em28xx_realease_resources()
+ * em28xx_release_resources()
* unregisters the v4l2,i2c and usb devices
- * called when the device gets disconected or at module unload
+ * called when the device gets disconnected or at module unload
*/
void em28xx_release_resources(struct em28xx *dev)
{
@@ -2784,8 +2816,6 @@ void em28xx_release_resources(struct em28xx *dev)
em28xx_release_analog_resources(dev);
- em28xx_remove_from_devlist(dev);
-
em28xx_i2c_unregister(dev);
v4l2_device_unregister(&dev->v4l2_dev);
@@ -2793,7 +2823,7 @@ void em28xx_release_resources(struct em28xx *dev)
usb_put_dev(dev->udev);
/* Mark device as unused */
- em28xx_devused &= ~(1 << dev->devno);
+ clear_bit(dev->devno, &em28xx_devused);
};
/*
@@ -2806,7 +2836,6 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
{
struct em28xx *dev = *devhandle;
int retval;
- int errCode;
dev->udev = udev;
mutex_init(&dev->ctrl_urb_lock);
@@ -2883,10 +2912,9 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
}
if (dev->is_audio_only) {
- errCode = em28xx_audio_setup(dev);
- if (errCode)
+ retval = em28xx_audio_setup(dev);
+ if (retval)
return -ENODEV;
- em28xx_add_into_devlist(dev);
em28xx_init_extension(dev);
return 0;
@@ -2903,7 +2931,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
/* Resets I2C speed */
em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, dev->board.i2c_speed);
if (retval < 0) {
- em28xx_errdev("%s: em28xx_write_regs_req failed!"
+ em28xx_errdev("%s: em28xx_write_reg failed!"
" retval [%d]\n",
__func__, retval);
return retval;
@@ -2917,12 +2945,11 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
}
/* register i2c bus */
- errCode = em28xx_i2c_register(dev);
- if (errCode < 0) {
- v4l2_device_unregister(&dev->v4l2_dev);
- em28xx_errdev("%s: em28xx_i2c_register - errCode [%d]!\n",
- __func__, errCode);
- return errCode;
+ retval = em28xx_i2c_register(dev);
+ if (retval < 0) {
+ em28xx_errdev("%s: em28xx_i2c_register - error [%d]!\n",
+ __func__, retval);
+ goto unregister_dev;
}
/*
@@ -2936,11 +2963,11 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
em28xx_card_setup(dev);
/* Configure audio */
- errCode = em28xx_audio_setup(dev);
- if (errCode < 0) {
- v4l2_device_unregister(&dev->v4l2_dev);
- em28xx_errdev("%s: Error while setting audio - errCode [%d]!\n",
- __func__, errCode);
+ retval = em28xx_audio_setup(dev);
+ if (retval < 0) {
+ em28xx_errdev("%s: Error while setting audio - error [%d]!\n",
+ __func__, retval);
+ goto fail;
}
/* wake i2c devices */
@@ -2954,41 +2981,41 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
if (dev->board.has_msp34xx) {
/* Send a reset to other chips via gpio */
- errCode = em28xx_write_reg(dev, EM28XX_R08_GPIO, 0xf7);
- if (errCode < 0) {
- em28xx_errdev("%s: em28xx_write_regs_req - "
- "msp34xx(1) failed! errCode [%d]\n",
- __func__, errCode);
- return errCode;
+ retval = em28xx_write_reg(dev, EM28XX_R08_GPIO, 0xf7);
+ if (retval < 0) {
+ em28xx_errdev("%s: em28xx_write_reg - "
+ "msp34xx(1) failed! error [%d]\n",
+ __func__, retval);
+ goto fail;
}
msleep(3);
- errCode = em28xx_write_reg(dev, EM28XX_R08_GPIO, 0xff);
- if (errCode < 0) {
- em28xx_errdev("%s: em28xx_write_regs_req - "
- "msp34xx(2) failed! errCode [%d]\n",
- __func__, errCode);
- return errCode;
+ retval = em28xx_write_reg(dev, EM28XX_R08_GPIO, 0xff);
+ if (retval < 0) {
+ em28xx_errdev("%s: em28xx_write_reg - "
+ "msp34xx(2) failed! error [%d]\n",
+ __func__, retval);
+ goto fail;
}
msleep(3);
}
- em28xx_add_into_devlist(dev);
-
retval = em28xx_register_analog_devices(dev);
if (retval < 0) {
- em28xx_release_resources(dev);
- goto fail_reg_devices;
+ goto fail;
}
- em28xx_init_extension(dev);
-
/* Save some power by putting tuner to sleep */
v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0);
return 0;
-fail_reg_devices:
+fail:
+ em28xx_i2c_unregister(dev);
+
+unregister_dev:
+ v4l2_device_unregister(&dev->v4l2_dev);
+
return retval;
}
@@ -3015,8 +3042,16 @@ static int em28xx_usb_probe(struct usb_interface *interface,
udev = usb_get_dev(interface_to_usbdev(interface));
/* Check to see next free device and mark as used */
- nr = find_first_zero_bit(&em28xx_devused, EM28XX_MAXBOARDS);
- em28xx_devused |= 1<<nr;
+ do {
+ nr = find_first_zero_bit(&em28xx_devused, EM28XX_MAXBOARDS);
+ if (nr >= EM28XX_MAXBOARDS) {
+ /* No free device slots */
+ printk(DRIVER_NAME ": Supports only %i em28xx boards.\n",
+ EM28XX_MAXBOARDS);
+ retval = -ENOMEM;
+ goto err_no_slot;
+ }
+ } while (test_and_set_bit(nr, &em28xx_devused));
/* Don't register audio interfaces */
if (interface->altsetting[0].desc.bInterfaceClass == USB_CLASS_AUDIO) {
@@ -3027,7 +3062,6 @@ static int em28xx_usb_probe(struct usb_interface *interface,
ifnum,
interface->altsetting[0].desc.bInterfaceClass);
- em28xx_devused &= ~(1<<nr);
retval = -ENODEV;
goto err;
}
@@ -3076,7 +3110,6 @@ static int em28xx_usb_probe(struct usb_interface *interface,
em28xx_err(DRIVER_NAME " This is an anciliary "
"interface not used by the driver\n");
- em28xx_devused &= ~(1<<nr);
retval = -ENODEV;
goto err;
}
@@ -3132,29 +3165,19 @@ static int em28xx_usb_probe(struct usb_interface *interface,
printk(DRIVER_NAME ": Device initialization failed.\n");
printk(DRIVER_NAME ": Device must be connected to a high-speed"
" USB 2.0 port.\n");
- em28xx_devused &= ~(1<<nr);
retval = -ENODEV;
goto err;
}
- if (nr >= EM28XX_MAXBOARDS) {
- printk(DRIVER_NAME ": Supports only %i em28xx boards.\n",
- EM28XX_MAXBOARDS);
- em28xx_devused &= ~(1<<nr);
- retval = -ENOMEM;
- goto err;
- }
-
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
em28xx_err(DRIVER_NAME ": out of memory!\n");
- em28xx_devused &= ~(1<<nr);
retval = -ENOMEM;
goto err;
}
- snprintf(dev->name, 29, "em28xx #%d", nr);
+ snprintf(dev->name, sizeof(dev->name), "em28xx #%d", nr);
dev->devno = nr;
dev->model = id->driver_info;
dev->alt = -1;
@@ -3177,7 +3200,6 @@ static int em28xx_usb_probe(struct usb_interface *interface,
if (dev->alt_max_pkt_size == NULL) {
em28xx_errdev("out of memory!\n");
- em28xx_devused &= ~(1<<nr);
kfree(dev);
retval = -ENOMEM;
goto err;
@@ -3204,8 +3226,8 @@ static int em28xx_usb_probe(struct usb_interface *interface,
mutex_lock(&dev->lock);
retval = em28xx_init_dev(&dev, udev, interface, nr);
if (retval) {
- em28xx_devused &= ~(1<<dev->devno);
mutex_unlock(&dev->lock);
+ kfree(dev->alt_max_pkt_size);
kfree(dev);
goto err;
}
@@ -3217,15 +3239,26 @@ static int em28xx_usb_probe(struct usb_interface *interface,
*/
mutex_unlock(&dev->lock);
+ /*
+ * These extensions can be modules. If the modules are already
+ * loaded then we can initialise the device now, otherwise we
+ * will initialise it when the modules load instead.
+ */
+ em28xx_init_extension(dev);
+
return 0;
err:
+ clear_bit(nr, &em28xx_devused);
+
+err_no_slot:
+ usb_put_dev(udev);
return retval;
}
/*
* em28xx_usb_disconnect()
- * called when the device gets diconencted
+ * called when the device gets disconnected
* video device will be unregistered on v4l2_close in case it is still open
*/
static void em28xx_usb_disconnect(struct usb_interface *interface)
@@ -3273,10 +3306,10 @@ static void em28xx_usb_disconnect(struct usb_interface *interface)
em28xx_release_resources(dev);
}
- em28xx_close_extension(dev);
-
mutex_unlock(&dev->lock);
+ em28xx_close_extension(dev);
+
if (!dev->users) {
kfree(dev->alt_max_pkt_size);
kfree(dev);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 05:42:53 +0000