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 enum { 164 HAUPPAUGE_WINTV_NOVA_T_USB2_COLD, 165 HAUPPAUGE_WINTV_NOVA_T_USB2_WARM, 166 }; 167 168 static 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 }; 173 174 MODULE_DEVICE_TABLE(usb, nova_t_table); 175 176 static 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 }; 236 237 static 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 }; 243 244 module_usb_driver(nova_t_driver); 245 246 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>"); 247 MODULE_DESCRIPTION("Hauppauge WinTV-NOVA-T usb2"); 248 MODULE_VERSION("1.0"); 249 MODULE_LICENSE("GPL"); 250