From 2e74a01fb073900c8cc5df6b5e4bcbf575ac6c26 Mon Sep 17 00:00:00 2001 From: Brad Love Date: Tue, 26 Jan 2021 02:54:16 +0100 Subject: [PATCH] media: em28xx: Add support for Hauppauge USB QuadHD Hauppauge USB QuadHD contains two two-tuner em28xx devices behind a usb hub. Each of the four dvb adapters contains a MaxLinear 692 combo ATSC demod/tuner. Bus 003 Device 006: ID 2040:846d Hauppauge Bus 003 Device 005: ID 2040:846d Hauppauge Bus 003 Device 004: ID 04e2:0404 Exar Corp. Signed-off-by: Brad Love Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/em28xx/Kconfig | 1 + drivers/media/usb/em28xx/em28xx-cards.c | 46 +++++++++++++++++++++++++++++++++ drivers/media/usb/em28xx/em28xx-dvb.c | 26 +++++++++++++++++++ drivers/media/usb/em28xx/em28xx.h | 1 + 4 files changed, 74 insertions(+) diff --git a/drivers/media/usb/em28xx/Kconfig b/drivers/media/usb/em28xx/Kconfig index 8a24731b373a..b3c472b8c5a9 100644 --- a/drivers/media/usb/em28xx/Kconfig +++ b/drivers/media/usb/em28xx/Kconfig @@ -67,6 +67,7 @@ config VIDEO_EM28XX_DVB select MEDIA_TUNER_XC2028 if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_XC5000 if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_MT2060 if MEDIA_SUBDRV_AUTOSELECT + select DVB_MXL692 if MEDIA_SUBDRV_AUTOSELECT help This adds support for DVB cards based on the Empiatech em28xx chips. diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c index 5144888ae36f..d6c8ae213914 100644 --- a/drivers/media/usb/em28xx/em28xx-cards.c +++ b/drivers/media/usb/em28xx/em28xx-cards.c @@ -549,6 +549,21 @@ static const struct em28xx_reg_seq hauppauge_dualhd_dvb[] = { {-1, -1, -1, -1}, }; +/* Hauppauge USB QuadHD */ +static struct em28xx_reg_seq hauppauge_usb_quadhd_atsc_reg_seq[] = { + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0}, + {0x0d, 0xff, 0xff, 200}, + {0x50, 0x04, 0xff, 300}, + {EM2874_R80_GPIO_P0_CTRL, 0xb0, 0xf0, 100}, /* demod 1 reset */ + {EM2874_R80_GPIO_P0_CTRL, 0xf0, 0xf0, 100}, + {EM2874_R80_GPIO_P0_CTRL, 0xd0, 0xf0, 100}, /* demod 2 reset */ + {EM2874_R80_GPIO_P0_CTRL, 0xf0, 0xf0, 100}, + {EM2874_R5F_TS_ENABLE, 0x44, 0xff, 50}, + {EM2874_R5D_TS1_PKT_SIZE, 0x05, 0xff, 50}, + {EM2874_R5E_TS2_PKT_SIZE, 0x05, 0xff, 50}, + {-1, -1, -1, -1}, +}; + /* * Button definitions */ @@ -644,6 +659,22 @@ static struct em28xx_led hauppauge_dualhd_leds[] = { {-1, 0, 0, 0}, }; +static struct em28xx_led hauppauge_usb_quadhd_leds[] = { + { + .role = EM28XX_LED_DIGITAL_CAPTURING, + .gpio_reg = EM2874_R80_GPIO_P0_CTRL, + .gpio_mask = EM_GPIO_2, + .inverted = 1, + }, + { + .role = EM28XX_LED_DIGITAL_CAPTURING_TS2, + .gpio_reg = EM2874_R80_GPIO_P0_CTRL, + .gpio_mask = EM_GPIO_0, + .inverted = 1, + }, + {-1, 0, 0, 0}, +}; + /* * Board definitions */ @@ -2539,6 +2570,19 @@ const struct em28xx_board em28xx_boards[] = { .amux = EM28XX_AMUX_LINE_IN, } }, }, + /* 2040:826d Hauppauge USB QuadHD + * Empia 28274, Max Linear 692 ATSC combo demod/tuner + */ + [EM2874_BOARD_HAUPPAUGE_USB_QUADHD] = { + .name = "Hauppauge USB QuadHD ATSC", + .def_i2c_bus = 1, + .has_dual_ts = 1, + .has_dvb = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | EM28XX_I2C_FREQ_100_KHZ, + .tuner_type = TUNER_ABSENT, + .tuner_gpio = hauppauge_usb_quadhd_atsc_reg_seq, + .leds = hauppauge_usb_quadhd_leds, + }, }; EXPORT_SYMBOL_GPL(em28xx_boards); @@ -2672,6 +2716,8 @@ struct usb_device_id em28xx_id_table[] = { .driver_info = EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 }, { USB_DEVICE(0x2040, 0x826d), .driver_info = EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 }, + { USB_DEVICE(0x2040, 0x846d), + .driver_info = EM2874_BOARD_HAUPPAUGE_USB_QUADHD }, { USB_DEVICE(0x0438, 0xb002), .driver_info = EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 }, { USB_DEVICE(0x2001, 0xf112), diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c index fb9cbfa81a84..526424279637 100644 --- a/drivers/media/usb/em28xx/em28xx-dvb.c +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -62,6 +62,7 @@ #include "si2157.h" #include "tc90522.h" #include "qm1d1c0042.h" +#include "mxl692.h" MODULE_AUTHOR("Mauro Carvalho Chehab "); MODULE_LICENSE("GPL v2"); @@ -1459,6 +1460,26 @@ static int em28174_dvb_init_hauppauge_wintv_dualhd_01595(struct em28xx *dev) return 0; } +static int em2874_dvb_init_hauppauge_usb_quadhd(struct em28xx *dev) +{ + struct em28xx_dvb *dvb = dev->dvb; + struct mxl692_config mxl692_config = {}; + unsigned char addr; + + /* attach demod/tuner combo */ + mxl692_config.id = (dev->ts == PRIMARY_TS) ? 0 : 1; + mxl692_config.fe = &dvb->fe[0]; + addr = (dev->ts == PRIMARY_TS) ? 0x60 : 0x63; + + dvb->i2c_client_demod = dvb_module_probe("mxl692", NULL, + &dev->i2c_adap[dev->def_i2c_bus], + addr, &mxl692_config); + if (!dvb->i2c_client_demod) + return -ENODEV; + + return 0; +} + static int em28xx_dvb_init(struct em28xx *dev) { int result = 0, dvb_alt = 0; @@ -1945,6 +1966,11 @@ static int em28xx_dvb_init(struct em28xx *dev) if (result) goto out_free; break; + case EM2874_BOARD_HAUPPAUGE_USB_QUADHD: + result = em2874_dvb_init_hauppauge_usb_quadhd(dev); + if (result) + goto out_free; + break; default: dev_err(&dev->intf->dev, "The frontend of your DVB/ATSC card isn't supported yet\n"); diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h index 55a46faaf7b7..6648e11f1271 100644 --- a/drivers/media/usb/em28xx/em28xx.h +++ b/drivers/media/usb/em28xx/em28xx.h @@ -152,6 +152,7 @@ #define EM2861_BOARD_MAGIX_VIDEOWANDLER2 103 #define EM28178_BOARD_PCTV_461E_V2 104 #define EM2860_BOARD_MYGICA_IGRABBER 105 +#define EM2874_BOARD_HAUPPAUGE_USB_QUADHD 106 /* Limits minimum and default number of buffers */ #define EM28XX_MIN_BUF 4 -- 2.11.0