drivers/media/usb/dvb-usb/nova-t-usb2.c

   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 = "/*(DEBLOBBED)*/",
 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");