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1// SPDX-License-Identifier: GPL-2.0-only2/* DVB USB framework compliant Linux driver for the Hauppauge WinTV-NOVA-T usb23 * DVB-T receiver.4 *5 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)6 *7 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information8 */9#include "dibusb.h"10 11static int debug;12module_param(debug, int, 0644);13MODULE_PARM_DESC(debug, "set debugging level (1=rc,2=eeprom (|-able))." DVB_USB_DEBUG_STATUS);14 15DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);16 17#define deb_rc(args...) dprintk(debug,0x01,args)18#define deb_ee(args...) dprintk(debug,0x02,args)19 20/* Hauppauge NOVA-T USB2 keys */21static struct rc_map_table rc_map_haupp_table[] = {22 { 0x1e00, KEY_0 },23 { 0x1e01, KEY_1 },24 { 0x1e02, KEY_2 },25 { 0x1e03, KEY_3 },26 { 0x1e04, KEY_4 },27 { 0x1e05, KEY_5 },28 { 0x1e06, KEY_6 },29 { 0x1e07, KEY_7 },30 { 0x1e08, KEY_8 },31 { 0x1e09, KEY_9 },32 { 0x1e0a, KEY_KPASTERISK },33 { 0x1e0b, KEY_RED },34 { 0x1e0c, KEY_RADIO },35 { 0x1e0d, KEY_MENU },36 { 0x1e0e, KEY_GRAVE }, /* # */37 { 0x1e0f, KEY_MUTE },38 { 0x1e10, KEY_VOLUMEUP },39 { 0x1e11, KEY_VOLUMEDOWN },40 { 0x1e12, KEY_CHANNEL },41 { 0x1e14, KEY_UP },42 { 0x1e15, KEY_DOWN },43 { 0x1e16, KEY_LEFT },44 { 0x1e17, KEY_RIGHT },45 { 0x1e18, KEY_VIDEO },46 { 0x1e19, KEY_AUDIO },47 { 0x1e1a, KEY_IMAGES },48 { 0x1e1b, KEY_EPG },49 { 0x1e1c, KEY_TV },50 { 0x1e1e, KEY_NEXT },51 { 0x1e1f, KEY_BACK },52 { 0x1e20, KEY_CHANNELUP },53 { 0x1e21, KEY_CHANNELDOWN },54 { 0x1e24, KEY_LAST }, /* Skip backwards */55 { 0x1e25, KEY_OK },56 { 0x1e29, KEY_BLUE},57 { 0x1e2e, KEY_GREEN },58 { 0x1e30, KEY_PAUSE },59 { 0x1e32, KEY_REWIND },60 { 0x1e34, KEY_FASTFORWARD },61 { 0x1e35, KEY_PLAY },62 { 0x1e36, KEY_STOP },63 { 0x1e37, KEY_RECORD },64 { 0x1e38, KEY_YELLOW },65 { 0x1e3b, KEY_GOTO },66 { 0x1e3d, KEY_POWER },67};68 69/* Firmware bug? sometimes, when a new key is pressed, the previous pressed key70 * is delivered. No workaround yet, maybe a new firmware.71 */72static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state)73{74 u8 *buf, data, toggle, custom;75 u16 raw;76 int i, ret;77 struct dibusb_device_state *st = d->priv;78 79 buf = kmalloc(5, GFP_KERNEL);80 if (!buf)81 return -ENOMEM;82 83 buf[0] = DIBUSB_REQ_POLL_REMOTE;84 buf[1] = 0x35;85 ret = dvb_usb_generic_rw(d, buf, 2, buf, 5, 0);86 if (ret < 0)87 goto ret;88 89 *state = REMOTE_NO_KEY_PRESSED;90 switch (buf[0]) {91 case DIBUSB_RC_HAUPPAUGE_KEY_PRESSED:92 raw = ((buf[1] << 8) | buf[2]) >> 3;93 toggle = !!(raw & 0x800);94 data = raw & 0x3f;95 custom = (raw >> 6) & 0x1f;96 97 deb_rc("raw key code 0x%02x, 0x%02x, 0x%02x to c: %02x d: %02x toggle: %d\n",98 buf[1], buf[2], buf[3], custom, data, toggle);99 100 for (i = 0; i < ARRAY_SIZE(rc_map_haupp_table); i++) {101 if (rc5_data(&rc_map_haupp_table[i]) == data &&102 rc5_custom(&rc_map_haupp_table[i]) == custom) {103 104 deb_rc("c: %x, d: %x\n", rc5_data(&rc_map_haupp_table[i]),105 rc5_custom(&rc_map_haupp_table[i]));106 107 *event = rc_map_haupp_table[i].keycode;108 *state = REMOTE_KEY_PRESSED;109 if (st->old_toggle == toggle) {110 if (st->last_repeat_count++ < 2)111 *state = REMOTE_NO_KEY_PRESSED;112 } else {113 st->last_repeat_count = 0;114 st->old_toggle = toggle;115 }116 break;117 }118 }119 120 break;121 case DIBUSB_RC_HAUPPAUGE_KEY_EMPTY:122 default:123 break;124 }125 126ret:127 kfree(buf);128 return ret;129}130 131static int nova_t_read_mac_address (struct dvb_usb_device *d, u8 mac[6])132{133 int i, ret;134 u8 b;135 136 mac[0] = 0x00;137 mac[1] = 0x0d;138 mac[2] = 0xfe;139 140 /* this is a complete guess, but works for my box */141 for (i = 136; i < 139; i++) {142 ret = dibusb_read_eeprom_byte(d, i, &b);143 if (ret)144 return ret;145 146 mac[5 - (i - 136)] = b;147 }148 149 return 0;150}151 152/* USB Driver stuff */153static struct dvb_usb_device_properties nova_t_properties;154 155static int nova_t_probe(struct usb_interface *intf,156 const struct usb_device_id *id)157{158 return dvb_usb_device_init(intf, &nova_t_properties,159 THIS_MODULE, NULL, adapter_nr);160}161 162/* do not change the order of the ID table */163enum {164 HAUPPAUGE_WINTV_NOVA_T_USB2_COLD,165 HAUPPAUGE_WINTV_NOVA_T_USB2_WARM,166};167 168static struct usb_device_id nova_t_table[] = {169 DVB_USB_DEV(HAUPPAUGE, HAUPPAUGE_WINTV_NOVA_T_USB2_COLD),170 DVB_USB_DEV(HAUPPAUGE, HAUPPAUGE_WINTV_NOVA_T_USB2_WARM),171 { }172};173 174MODULE_DEVICE_TABLE(usb, nova_t_table);175 176static struct dvb_usb_device_properties nova_t_properties = {177 .caps = DVB_USB_IS_AN_I2C_ADAPTER,178 179 .usb_ctrl = CYPRESS_FX2,180 .firmware = "dvb-usb-nova-t-usb2-02.fw",181 182 .num_adapters = 1,183 .adapter = {184 {185 .num_frontends = 1,186 .fe = {{187 .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,188 .pid_filter_count = 32,189 190 .streaming_ctrl = dibusb2_0_streaming_ctrl,191 .pid_filter = dibusb_pid_filter,192 .pid_filter_ctrl = dibusb_pid_filter_ctrl,193 .frontend_attach = dibusb_dib3000mc_frontend_attach,194 .tuner_attach = dibusb_dib3000mc_tuner_attach,195 196 /* parameter for the MPEG2-data transfer */197 .stream = {198 .type = USB_BULK,199 .count = 7,200 .endpoint = 0x06,201 .u = {202 .bulk = {203 .buffersize = 4096,204 }205 }206 },207 }},208 .size_of_priv = sizeof(struct dibusb_state),209 }210 },211 .size_of_priv = sizeof(struct dibusb_device_state),212 213 .power_ctrl = dibusb2_0_power_ctrl,214 .read_mac_address = nova_t_read_mac_address,215 216 .rc.legacy = {217 .rc_interval = 100,218 .rc_map_table = rc_map_haupp_table,219 .rc_map_size = ARRAY_SIZE(rc_map_haupp_table),220 .rc_query = nova_t_rc_query,221 },222 223 .i2c_algo = &dibusb_i2c_algo,224 225 .generic_bulk_ctrl_endpoint = 0x01,226 227 .num_device_descs = 1,228 .devices = {229 { "Hauppauge WinTV-NOVA-T usb2",230 { &nova_t_table[HAUPPAUGE_WINTV_NOVA_T_USB2_COLD], NULL },231 { &nova_t_table[HAUPPAUGE_WINTV_NOVA_T_USB2_WARM], NULL },232 },233 { NULL },234 }235};236 237static struct usb_driver nova_t_driver = {238 .name = "dvb_usb_nova_t_usb2",239 .probe = nova_t_probe,240 .disconnect = dvb_usb_device_exit,241 .id_table = nova_t_table,242};243 244module_usb_driver(nova_t_driver);245 246MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");247MODULE_DESCRIPTION("Hauppauge WinTV-NOVA-T usb2");248MODULE_VERSION("1.0");249MODULE_LICENSE("GPL");250