1 // SPDX-License-Identifier: GPL-2.0-only 2 /* DVB USB framework compliant Linux driver for the Hauppauge WinTV-NOVA-T usb2 3 * 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 information 8 */ 9 #include "dibusb.h" 10 11 static int debug; 12 module_param(debug, int, 0644); 13 MODULE_PARM_DESC(debug, "set debugging level (1=rc,2=eeprom (|-able))." DVB_USB_DEBUG_STATUS); 14 15 DVB_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 */ 21 static 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 key 70 * is delivered. No workaround yet, maybe a new firmware. 71 */ 72 static 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 } 125 126 ret: 127 kfree(buf); 128 return ret; 129 } 130 131 static 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 */ 153 static struct dvb_usb_device_properties nova_t_properties; 154 155 static 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 */ 163 static struct usb_device_id nova_t_table [] = { 164 /* 00 */ { USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_WINTV_NOVA_T_USB2_COLD) }, 165 /* 01 */ { USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_WINTV_NOVA_T_USB2_WARM) }, 166 { } /* Terminating entry */ 167 }; 168 MODULE_DEVICE_TABLE(usb, nova_t_table); 169 170 static struct dvb_usb_device_properties nova_t_properties = { 171 .caps = DVB_USB_IS_AN_I2C_ADAPTER, 172 173 .usb_ctrl = CYPRESS_FX2, 174 .firmware = "dvb-usb-nova-t-usb2-02.fw", 175 176 .num_adapters = 1, 177 .adapter = { 178 { 179 .num_frontends = 1, 180 .fe = {{ 181 .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, 182 .pid_filter_count = 32, 183 184 .streaming_ctrl = dibusb2_0_streaming_ctrl, 185 .pid_filter = dibusb_pid_filter, 186 .pid_filter_ctrl = dibusb_pid_filter_ctrl, 187 .frontend_attach = dibusb_dib3000mc_frontend_attach, 188 .tuner_attach = dibusb_dib3000mc_tuner_attach, 189 190 /* parameter for the MPEG2-data transfer */ 191 .stream = { 192 .type = USB_BULK, 193 .count = 7, 194 .endpoint = 0x06, 195 .u = { 196 .bulk = { 197 .buffersize = 4096, 198 } 199 } 200 }, 201 }}, 202 .size_of_priv = sizeof(struct dibusb_state), 203 } 204 }, 205 .size_of_priv = sizeof(struct dibusb_device_state), 206 207 .power_ctrl = dibusb2_0_power_ctrl, 208 .read_mac_address = nova_t_read_mac_address, 209 210 .rc.legacy = { 211 .rc_interval = 100, 212 .rc_map_table = rc_map_haupp_table, 213 .rc_map_size = ARRAY_SIZE(rc_map_haupp_table), 214 .rc_query = nova_t_rc_query, 215 }, 216 217 .i2c_algo = &dibusb_i2c_algo, 218 219 .generic_bulk_ctrl_endpoint = 0x01, 220 221 .num_device_descs = 1, 222 .devices = { 223 { "Hauppauge WinTV-NOVA-T usb2", 224 { &nova_t_table[0], NULL }, 225 { &nova_t_table[1], NULL }, 226 }, 227 { NULL }, 228 } 229 }; 230 231 static struct usb_driver nova_t_driver = { 232 .name = "dvb_usb_nova_t_usb2", 233 .probe = nova_t_probe, 234 .disconnect = dvb_usb_device_exit, 235 .id_table = nova_t_table, 236 }; 237 238 module_usb_driver(nova_t_driver); 239 240 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>"); 241 MODULE_DESCRIPTION("Hauppauge WinTV-NOVA-T usb2"); 242 MODULE_VERSION("1.0"); 243 MODULE_LICENSE("GPL"); 244