diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb/nova-t-usb2.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb/nova-t-usb2.c | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/nova-t-usb2.c b/drivers/media/usb/dvb-usb/nova-t-usb2.c new file mode 100644 index 000000000..4782d0780 --- /dev/null +++ b/drivers/media/usb/dvb-usb/nova-t-usb2.c @@ -0,0 +1,249 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* DVB USB framework compliant Linux driver for the Hauppauge WinTV-NOVA-T usb2 + * DVB-T receiver. + * + * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de) + * + * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information + */ +#include "dibusb.h" + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "set debugging level (1=rc,2=eeprom (|-able))." DVB_USB_DEBUG_STATUS); + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +#define deb_rc(args...) dprintk(debug,0x01,args) +#define deb_ee(args...) dprintk(debug,0x02,args) + +/* Hauppauge NOVA-T USB2 keys */ +static struct rc_map_table rc_map_haupp_table[] = { + { 0x1e00, KEY_0 }, + { 0x1e01, KEY_1 }, + { 0x1e02, KEY_2 }, + { 0x1e03, KEY_3 }, + { 0x1e04, KEY_4 }, + { 0x1e05, KEY_5 }, + { 0x1e06, KEY_6 }, + { 0x1e07, KEY_7 }, + { 0x1e08, KEY_8 }, + { 0x1e09, KEY_9 }, + { 0x1e0a, KEY_KPASTERISK }, + { 0x1e0b, KEY_RED }, + { 0x1e0c, KEY_RADIO }, + { 0x1e0d, KEY_MENU }, + { 0x1e0e, KEY_GRAVE }, /* # */ + { 0x1e0f, KEY_MUTE }, + { 0x1e10, KEY_VOLUMEUP }, + { 0x1e11, KEY_VOLUMEDOWN }, + { 0x1e12, KEY_CHANNEL }, + { 0x1e14, KEY_UP }, + { 0x1e15, KEY_DOWN }, + { 0x1e16, KEY_LEFT }, + { 0x1e17, KEY_RIGHT }, + { 0x1e18, KEY_VIDEO }, + { 0x1e19, KEY_AUDIO }, + { 0x1e1a, KEY_IMAGES }, + { 0x1e1b, KEY_EPG }, + { 0x1e1c, KEY_TV }, + { 0x1e1e, KEY_NEXT }, + { 0x1e1f, KEY_BACK }, + { 0x1e20, KEY_CHANNELUP }, + { 0x1e21, KEY_CHANNELDOWN }, + { 0x1e24, KEY_LAST }, /* Skip backwards */ + { 0x1e25, KEY_OK }, + { 0x1e29, KEY_BLUE}, + { 0x1e2e, KEY_GREEN }, + { 0x1e30, KEY_PAUSE }, + { 0x1e32, KEY_REWIND }, + { 0x1e34, KEY_FASTFORWARD }, + { 0x1e35, KEY_PLAY }, + { 0x1e36, KEY_STOP }, + { 0x1e37, KEY_RECORD }, + { 0x1e38, KEY_YELLOW }, + { 0x1e3b, KEY_GOTO }, + { 0x1e3d, KEY_POWER }, +}; + +/* Firmware bug? sometimes, when a new key is pressed, the previous pressed key + * is delivered. No workaround yet, maybe a new firmware. + */ +static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state) +{ + u8 *buf, data, toggle, custom; + u16 raw; + int i, ret; + struct dibusb_device_state *st = d->priv; + + buf = kmalloc(5, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + buf[0] = DIBUSB_REQ_POLL_REMOTE; + buf[1] = 0x35; + ret = dvb_usb_generic_rw(d, buf, 2, buf, 5, 0); + if (ret < 0) + goto ret; + + *state = REMOTE_NO_KEY_PRESSED; + switch (buf[0]) { + case DIBUSB_RC_HAUPPAUGE_KEY_PRESSED: + raw = ((buf[1] << 8) | buf[2]) >> 3; + toggle = !!(raw & 0x800); + data = raw & 0x3f; + custom = (raw >> 6) & 0x1f; + + deb_rc("raw key code 0x%02x, 0x%02x, 0x%02x to c: %02x d: %02x toggle: %d\n", + buf[1], buf[2], buf[3], custom, data, toggle); + + for (i = 0; i < ARRAY_SIZE(rc_map_haupp_table); i++) { + if (rc5_data(&rc_map_haupp_table[i]) == data && + rc5_custom(&rc_map_haupp_table[i]) == custom) { + + deb_rc("c: %x, d: %x\n", rc5_data(&rc_map_haupp_table[i]), + rc5_custom(&rc_map_haupp_table[i])); + + *event = rc_map_haupp_table[i].keycode; + *state = REMOTE_KEY_PRESSED; + if (st->old_toggle == toggle) { + if (st->last_repeat_count++ < 2) + *state = REMOTE_NO_KEY_PRESSED; + } else { + st->last_repeat_count = 0; + st->old_toggle = toggle; + } + break; + } + } + + break; + case DIBUSB_RC_HAUPPAUGE_KEY_EMPTY: + default: + break; + } + +ret: + kfree(buf); + return ret; +} + +static int nova_t_read_mac_address (struct dvb_usb_device *d, u8 mac[6]) +{ + int i, ret; + u8 b; + + mac[0] = 0x00; + mac[1] = 0x0d; + mac[2] = 0xfe; + + /* this is a complete guess, but works for my box */ + for (i = 136; i < 139; i++) { + ret = dibusb_read_eeprom_byte(d, i, &b); + if (ret) + return ret; + + mac[5 - (i - 136)] = b; + } + + return 0; +} + +/* USB Driver stuff */ +static struct dvb_usb_device_properties nova_t_properties; + +static int nova_t_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return dvb_usb_device_init(intf, &nova_t_properties, + THIS_MODULE, NULL, adapter_nr); +} + +/* do not change the order of the ID table */ +enum { + HAUPPAUGE_WINTV_NOVA_T_USB2_COLD, + HAUPPAUGE_WINTV_NOVA_T_USB2_WARM, +}; + +static struct usb_device_id nova_t_table[] = { + DVB_USB_DEV(HAUPPAUGE, HAUPPAUGE_WINTV_NOVA_T_USB2_COLD), + DVB_USB_DEV(HAUPPAUGE, HAUPPAUGE_WINTV_NOVA_T_USB2_WARM), + { } +}; + +MODULE_DEVICE_TABLE(usb, nova_t_table); + +static struct dvb_usb_device_properties nova_t_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + + .usb_ctrl = CYPRESS_FX2, + .firmware = "dvb-usb-nova-t-usb2-02.fw", + + .num_adapters = 1, + .adapter = { + { + .num_frontends = 1, + .fe = {{ + .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, + .pid_filter_count = 32, + + .streaming_ctrl = dibusb2_0_streaming_ctrl, + .pid_filter = dibusb_pid_filter, + .pid_filter_ctrl = dibusb_pid_filter_ctrl, + .frontend_attach = dibusb_dib3000mc_frontend_attach, + .tuner_attach = dibusb_dib3000mc_tuner_attach, + + /* parameter for the MPEG2-data transfer */ + .stream = { + .type = USB_BULK, + .count = 7, + .endpoint = 0x06, + .u = { + .bulk = { + .buffersize = 4096, + } + } + }, + }}, + .size_of_priv = sizeof(struct dibusb_state), + } + }, + .size_of_priv = sizeof(struct dibusb_device_state), + + .power_ctrl = dibusb2_0_power_ctrl, + .read_mac_address = nova_t_read_mac_address, + + .rc.legacy = { + .rc_interval = 100, + .rc_map_table = rc_map_haupp_table, + .rc_map_size = ARRAY_SIZE(rc_map_haupp_table), + .rc_query = nova_t_rc_query, + }, + + .i2c_algo = &dibusb_i2c_algo, + + .generic_bulk_ctrl_endpoint = 0x01, + + .num_device_descs = 1, + .devices = { + { "Hauppauge WinTV-NOVA-T usb2", + { &nova_t_table[HAUPPAUGE_WINTV_NOVA_T_USB2_COLD], NULL }, + { &nova_t_table[HAUPPAUGE_WINTV_NOVA_T_USB2_WARM], NULL }, + }, + { NULL }, + } +}; + +static struct usb_driver nova_t_driver = { + .name = "dvb_usb_nova_t_usb2", + .probe = nova_t_probe, + .disconnect = dvb_usb_device_exit, + .id_table = nova_t_table, +}; + +module_usb_driver(nova_t_driver); + +MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>"); +MODULE_DESCRIPTION("Hauppauge WinTV-NOVA-T usb2"); +MODULE_VERSION("1.0"); +MODULE_LICENSE("GPL"); |