[media] em28xx: Add support for Leadership ISDB-T
This device uses an em2874B + Sharp 921 One Seg frontend.
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index f7e9168..24caa851 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -268,6 +268,20 @@
};
+/* Reset for the most [digital] boards */
+static struct em28xx_reg_seq leadership_digital[] = {
+ {EM2874_R80_GPIO, 0x70, 0xff, 10},
+ { -1, -1, -1, -1},
+};
+
+static struct em28xx_reg_seq leadership_reset[] = {
+ {EM2874_R80_GPIO, 0xf0, 0xff, 10},
+ {EM2874_R80_GPIO, 0xb0, 0xff, 10},
+ {EM2874_R80_GPIO, 0xf0, 0xff, 10},
+ { -1, -1, -1, -1},
+};
+
+
/*
* Board definitions
*/
@@ -1224,6 +1238,19 @@
.vmux = SAA7115_COMPOSITE0,
} },
},
+
+ [EM2874_LEADERSHIP_ISDBT] = {
+ .i2c_speed = EM2874_I2C_SECONDARY_BUS_SELECT |
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ,
+ .xclk = EM28XX_XCLK_FREQUENCY_10MHZ,
+ .name = "EM2874 Leadership ISDBT",
+ .tuner_type = TUNER_ABSENT,
+ .tuner_gpio = leadership_reset,
+ .dvb_gpio = leadership_digital,
+ .has_dvb = 1,
+ },
+
[EM2880_BOARD_MSI_DIGIVOX_AD] = {
.name = "MSI DigiVox A/D",
.valid = EM28XX_BOARD_NOT_VALIDATED,
@@ -1754,6 +1781,8 @@
.driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2868),
.driver_info = EM2820_BOARD_UNKNOWN },
+ { USB_DEVICE(0xeb1a, 0x2875),
+ .driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0xe300),
.driver_info = EM2861_BOARD_KWORLD_PVRTV_300U },
{ USB_DEVICE(0xeb1a, 0xe303),
@@ -1873,6 +1902,7 @@
{0x77800080, EM2860_BOARD_TVP5150_REFERENCE_DESIGN, TUNER_ABSENT},
{0xc51200e3, EM2820_BOARD_GADMEI_TVR200, TUNER_LG_PAL_NEW_TAPC},
{0x4ba50080, EM2861_BOARD_GADMEI_UTV330PLUS, TUNER_TNF_5335MF},
+ {0x6b800080, EM2874_LEADERSHIP_ISDBT, TUNER_ABSENT},
};
/* I2C possible address to saa7115, tvp5150, msp3400, tvaudio */
@@ -2430,8 +2460,36 @@
dev->board.is_webcam = 0;
else
dev->progressive = 1;
- } else
- em28xx_set_model(dev);
+ }
+
+ if (!dev->board.is_webcam) {
+ switch (dev->model) {
+ case EM2820_BOARD_UNKNOWN:
+ case EM2800_BOARD_UNKNOWN:
+ /*
+ * The K-WORLD DVB-T 310U is detected as an MSI Digivox AD.
+ *
+ * This occurs because they share identical USB vendor and
+ * product IDs.
+ *
+ * What we do here is look up the EEPROM hash of the K-WORLD
+ * and if it is found then we decide that we do not have
+ * a DIGIVOX and reset the device to the K-WORLD instead.
+ *
+ * This solution is only valid if they do not share eeprom
+ * hash identities which has not been determined as yet.
+ */
+ if (em28xx_hint_board(dev) < 0)
+ em28xx_errdev("Board not discovered\n");
+ else {
+ em28xx_set_model(dev);
+ em28xx_pre_card_setup(dev);
+ }
+ break;
+ default:
+ em28xx_set_model(dev);
+ }
+ }
em28xx_info("Identified as %s (card=%d)\n",
dev->board.name, dev->model);
@@ -2749,8 +2807,8 @@
em28xx_pre_card_setup(dev);
if (!dev->board.is_em2800) {
- /* Sets I2C speed to 100 KHz */
- retval = em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
+ /* 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!"
" retval [%d]\n",