// SPDX-License-Identifier: GPL-2.0+ // // em28xx-cards.c - driver for Empia EM2800/EM2820/2840 USB // video capture devices // // Copyright (C) 2005 Ludovico Cavedon <[email protected]> // Markus Rechberger <[email protected]> // Mauro Carvalho Chehab <[email protected]> // Sascha Sommer <[email protected]> // Copyright (C) 2012 Frank Schäfer <[email protected]> #include "em28xx.h" #include <linux/init.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/delay.h> #include <linux/i2c.h> #include <linux/usb.h> #include <media/tuner.h> #include <media/drv-intf/msp3400.h> #include <media/i2c/saa7115.h> #include <dt-bindings/media/tvp5150.h> #include <media/i2c/tvaudio.h> #include <media/tveeprom.h> #include <media/v4l2-common.h> #include <sound/ac97_codec.h> #define DRIVER_NAME … static int tuner = …; module_param(tuner, int, 0444); MODULE_PARM_DESC(…) …; static unsigned int disable_ir; module_param(disable_ir, int, 0444); MODULE_PARM_DESC(…) …; static unsigned int disable_usb_speed_check; module_param(disable_usb_speed_check, int, 0444); MODULE_PARM_DESC(…) …; static unsigned int card[] = …; module_param_array(…); MODULE_PARM_DESC(…) …; static int usb_xfer_mode = …; module_param(usb_xfer_mode, int, 0444); MODULE_PARM_DESC(…) …; /* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS - 1 */ static DECLARE_BITMAP(em28xx_devused, EM28XX_MAXBOARDS); struct em28xx_hash_table { … }; static void em28xx_pre_card_setup(struct em28xx *dev); /* * Reset sequences for analog/digital modes */ /* Reset for the most [analog] boards */ static const struct em28xx_reg_seq default_analog[] = …; /* Reset for the most [digital] boards */ static const struct em28xx_reg_seq default_digital[] = …; /* Board :Zolid Hybrid Tv Stick */ static struct em28xx_reg_seq zolid_tuner[] = …; static struct em28xx_reg_seq zolid_digital[] = …; /* Board Hauppauge WinTV HVR 900 analog */ static const struct em28xx_reg_seq hauppauge_wintv_hvr_900_analog[] = …; /* Board Hauppauge WinTV HVR 900 digital */ static const struct em28xx_reg_seq hauppauge_wintv_hvr_900_digital[] = …; /* Board Hauppauge WinTV HVR 900 (R2) digital */ static const struct em28xx_reg_seq hauppauge_wintv_hvr_900R2_digital[] = …; /* Boards - EM2880 MSI DIGIVOX AD and EM2880_BOARD_MSI_DIGIVOX_AD_II */ static const struct em28xx_reg_seq em2880_msi_digivox_ad_analog[] = …; /* Board - EM2882 Kworld 315U digital */ static const struct em28xx_reg_seq em2882_kworld_315u_digital[] = …; static const struct em28xx_reg_seq em2882_kworld_315u_tuner_gpio[] = …; static const struct em28xx_reg_seq kworld_330u_analog[] = …; static const struct em28xx_reg_seq kworld_330u_digital[] = …; /* * Evga inDtube * GPIO0 - Enable digital power (s5h1409) - low to enable * GPIO1 - Enable analog power (tvp5150/emp202) - low to enable * GPIO4 - xc3028 reset * GOP3 - s5h1409 reset */ static const struct em28xx_reg_seq evga_indtube_analog[] = …; static const struct em28xx_reg_seq evga_indtube_digital[] = …; /* * KWorld PlusTV 340U, UB435-Q and UB435-Q V2 (ATSC) GPIOs map: * EM_GPIO_0 - currently unknown * EM_GPIO_1 - LED disable/enable (1 = off, 0 = on) * EM_GPIO_2 - currently unknown * EM_GPIO_3 - currently unknown * EM_GPIO_4 - TDA18271HD/C1 tuner (1 = active, 0 = in reset) * EM_GPIO_5 - LGDT3304 ATSC/QAM demod (1 = active, 0 = in reset) * EM_GPIO_6 - currently unknown * EM_GPIO_7 - currently unknown */ static const struct em28xx_reg_seq kworld_a340_digital[] = …; static const struct em28xx_reg_seq kworld_ub435q_v3_digital[] = …; /* Pinnacle Hybrid Pro eb1a:2881 */ static const struct em28xx_reg_seq pinnacle_hybrid_pro_analog[] = …; static const struct em28xx_reg_seq pinnacle_hybrid_pro_digital[] = …; static const struct em28xx_reg_seq terratec_cinergy_USB_XS_FR_analog[] = …; static const struct em28xx_reg_seq terratec_cinergy_USB_XS_FR_digital[] = …; /* * PCTV HD Mini (80e) GPIOs * 0-5: not used * 6: demod reset, active low * 7: LED on, active high */ static const struct em28xx_reg_seq em2874_pctv_80e_digital[] = …; /* * eb1a:2868 Reddo DVB-C USB TV Box * GPIO4 - CU1216L NIM * Other GPIOs seems to be don't care. */ static const struct em28xx_reg_seq reddo_dvb_c_usb_box[] = …; /* Callback for the most boards */ static const struct em28xx_reg_seq default_tuner_gpio[] = …; /* Mute/unmute */ static const struct em28xx_reg_seq compro_unmute_tv_gpio[] = …; static const struct em28xx_reg_seq compro_unmute_svid_gpio[] = …; static const struct em28xx_reg_seq compro_mute_gpio[] = …; /* Terratec AV350 */ static const struct em28xx_reg_seq terratec_av350_mute_gpio[] = …; static const struct em28xx_reg_seq terratec_av350_unmute_gpio[] = …; static const struct em28xx_reg_seq silvercrest_reg_seq[] = …; static const struct em28xx_reg_seq vc211a_enable[] = …; static const struct em28xx_reg_seq dikom_dk300_digital[] = …; /* Reset for the most [digital] boards */ static const struct em28xx_reg_seq leadership_digital[] = …; static const struct em28xx_reg_seq leadership_reset[] = …; /* * 2013:024f PCTV nanoStick T2 290e * GPIO_6 - demod reset * GPIO_7 - LED */ static const struct em28xx_reg_seq pctv_290e[] = …; #if 0 static const struct em28xx_reg_seq terratec_h5_gpio[] = { {EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10}, {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100}, {EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50}, {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50}, { -1, -1, -1, -1}, }; static const struct em28xx_reg_seq terratec_h5_digital[] = { {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 10}, {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 10}, { -1, -1, -1, -1}, }; #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 const struct em28xx_reg_seq pctv_460e[] = …; static const struct em28xx_reg_seq c3tech_digital_duo_digital[] = …; /* * 2013:0258 PCTV DVB-S2 Stick (461e) * GPIO 0 = POWER_ON * GPIO 1 = BOOST * GPIO 2 = VUV_LNB (red LED) * GPIO 3 = #EXT_12V * GPIO 4 = INT_DEM * GPIO 5 = INT_LNB * GPIO 6 = #RESET_DEM * GPIO 7 = P07_LED (green LED) */ static const struct em28xx_reg_seq pctv_461e[] = …; #if 0 static const struct em28xx_reg_seq hauppauge_930c_gpio[] = { {EM2874_R80_GPIO_P0_CTRL, 0x6f, 0xff, 10}, {EM2874_R80_GPIO_P0_CTRL, 0x4f, 0xff, 10}, /* xc5000 reset */ {EM2874_R80_GPIO_P0_CTRL, 0x6f, 0xff, 10}, {EM2874_R80_GPIO_P0_CTRL, 0x4f, 0xff, 10}, { -1, -1, -1, -1}, }; static const struct em28xx_reg_seq hauppauge_930c_digital[] = { {EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 10}, {EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100}, {EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 10}, { -1, -1, -1, -1}, }; #endif /* * 1b80:e425 MaxMedia UB425-TC * 1b80:e1cc Delock 61959 * GPIO_6 - demod reset, 0=active * GPIO_7 - LED, 0=active */ static const struct em28xx_reg_seq maxmedia_ub425_tc[] = …; /* * 2304:0242 PCTV QuatroStick (510e) * GPIO_2: decoder reset, 0=active * GPIO_4: decoder suspend, 0=active * GPIO_6: demod reset, 0=active * GPIO_7: LED, 1=active */ static const struct em28xx_reg_seq pctv_510e[] = …; /* * 2013:0251 PCTV QuatroStick nano (520e) * GPIO_2: decoder reset, 0=active * GPIO_4: decoder suspend, 0=active * GPIO_6: demod reset, 0=active * GPIO_7: LED, 1=active */ static const struct em28xx_reg_seq pctv_520e[] = …; /* * 1ae7:9003/9004 SpeedLink Vicious And Devine Laplace webcam * reg 0x80/0x84: * GPIO_0: capturing LED, 0=on, 1=off * GPIO_2: AV mute button, 0=pressed, 1=unpressed * GPIO 3: illumination button, 0=pressed, 1=unpressed * GPIO_6: illumination/flash LED, 0=on, 1=off * reg 0x81/0x85: * GPIO_7: snapshot button, 0=pressed, 1=unpressed */ static const struct em28xx_reg_seq speedlink_vad_laplace_reg_seq[] = …; static const struct em28xx_reg_seq pctv_292e[] = …; static const struct em28xx_reg_seq terratec_t2_stick_hd[] = …; static const struct em28xx_reg_seq plex_px_bcud[] = …; /* * 2040:0265 Hauppauge WinTV-dualHD DVB Isoc * 2040:8265 Hauppauge WinTV-dualHD DVB Bulk * 2040:026d Hauppauge WinTV-dualHD ATSC/QAM Isoc * 2040:826d Hauppauge WinTV-dualHD ATSC/QAM Bulk * reg 0x80/0x84: * GPIO_0: Yellow LED tuner 1, 0=on, 1=off * GPIO_1: Green LED tuner 1, 0=on, 1=off * GPIO_2: Yellow LED tuner 2, 0=on, 1=off * GPIO_3: Green LED tuner 2, 0=on, 1=off * GPIO_5: Reset #2, 0=active * GPIO_6: Reset #1, 0=active */ static const struct em28xx_reg_seq hauppauge_dualhd_dvb[] = …; /* Hauppauge USB QuadHD */ static struct em28xx_reg_seq hauppauge_usb_quadhd_atsc_reg_seq[] = …; /* * MyGica USB TV Box * GPIO_1,0: 00=Composite audio * 01=Tuner audio * 10=Mute audio * 11=FM radio? (if equipped) * GPIO_2-6: Unused * GPIO_7: ?? */ static const struct em28xx_reg_seq mygica_utv3_composite_audio_gpio[] = …; static const struct em28xx_reg_seq mygica_utv3_tuner_audio_gpio[] = …; static const struct em28xx_reg_seq mygica_utv3_suspend_gpio[] = …; /* * Button definitions */ static const struct em28xx_button std_snapshot_button[] = …; static const struct em28xx_button speedlink_vad_laplace_buttons[] = …; /* * LED definitions */ static struct em28xx_led speedlink_vad_laplace_leds[] = …; static struct em28xx_led kworld_ub435q_v3_leds[] = …; static struct em28xx_led pctv_80e_leds[] = …; static struct em28xx_led terratec_grabby_leds[] = …; static struct em28xx_led hauppauge_dualhd_leds[] = …; static struct em28xx_led hauppauge_usb_quadhd_leds[] = …; /* * Board definitions */ const struct em28xx_board em28xx_boards[] = …; EXPORT_SYMBOL_GPL(…); static const unsigned int em28xx_bcount = …; /* table of devices that work with this driver */ struct usb_device_id em28xx_id_table[] = …; MODULE_DEVICE_TABLE(usb, em28xx_id_table); /* * EEPROM hash table for devices with generic USB IDs */ static const struct em28xx_hash_table em28xx_eeprom_hash[] = …; /* I2C devicelist hash table for devices with generic USB IDs */ static const struct em28xx_hash_table em28xx_i2c_hash[] = …; /* NOTE: introduce a separate hash table for devices with 16 bit eeproms */ int em28xx_tuner_callback(void *ptr, int component, int command, int arg) { … } EXPORT_SYMBOL_GPL(…); static inline void em28xx_set_xclk_i2c_speed(struct em28xx *dev) { … } static inline void em28xx_set_model(struct em28xx *dev) { … } /* * Wait until AC97_RESET reports the expected value reliably before proceeding. * We also check that two unrelated registers accesses don't return the same * value to avoid premature return. * This procedure helps ensuring AC97 register accesses are reliable. */ static int em28xx_wait_until_ac97_features_equals(struct em28xx *dev, int expected_feat) { … } /* * Since em28xx_pre_card_setup() requires a proper dev->model, * this won't work for boards with generic PCI IDs */ static void em28xx_pre_card_setup(struct em28xx *dev) { … } static int em28xx_hint_board(struct em28xx *dev) { … } static void em28xx_card_setup(struct em28xx *dev) { … } void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl) { … } EXPORT_SYMBOL_GPL(…); static void request_module_async(struct work_struct *work) { … } static void request_modules(struct em28xx *dev) { … } static void flush_request_modules(struct em28xx *dev) { … } static int em28xx_media_device_init(struct em28xx *dev, struct usb_device *udev) { … } static void em28xx_unregister_media_device(struct em28xx *dev) { … } /* * em28xx_release_resources() * unregisters the v4l2,i2c and usb devices * called when the device gets disconnected or at module unload */ static void em28xx_release_resources(struct em28xx *dev) { struct usb_device *udev = interface_to_usbdev(dev->intf); /*FIXME: I2C IR should be disconnected */ mutex_lock(&dev->lock); em28xx_unregister_media_device(dev); if (dev->def_i2c_bus) em28xx_i2c_unregister(dev, 1); em28xx_i2c_unregister(dev, 0); if (dev->ts == PRIMARY_TS) usb_put_dev(udev); /* Mark device as unused */ clear_bit(dev->devno, em28xx_devused); mutex_unlock(&dev->lock); }; /** * em28xx_free_device() - Free em28xx device * * @ref: struct kref for em28xx device * * This is called when all extensions and em28xx core unregisters a device */ void em28xx_free_device(struct kref *ref) { … } EXPORT_SYMBOL_GPL(…); /* * em28xx_init_dev() * allocates and inits the device structs, registers i2c bus and v4l device */ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev, struct usb_interface *intf, int minor) { … } static int em28xx_duplicate_dev(struct em28xx *dev) { … } /* high bandwidth multiplier, as encoded in highspeed endpoint descriptors */ #define hb_mult(wMaxPacketSize) … static void em28xx_check_usb_descriptor(struct em28xx *dev, struct usb_device *udev, struct usb_interface *intf, int alt, int ep, bool *has_vendor_audio, bool *has_video, bool *has_dvb) { … } /* * em28xx_usb_probe() * checks for supported devices */ static int em28xx_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { … } /* * em28xx_usb_disconnect() * 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 *intf) { … } static int em28xx_usb_suspend(struct usb_interface *intf, pm_message_t message) { … } static int em28xx_usb_resume(struct usb_interface *intf) { … } static struct usb_driver em28xx_usb_driver = …; module_usb_driver(…) …;
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