588 lines
18 KiB
C
588 lines
18 KiB
C
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/*
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* tveeprom - eeprom decoder for tvcard configuration eeproms
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*
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* Data and decoding routines shamelessly borrowed from bttv-cards.c
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* eeprom access routine shamelessly borrowed from bttv-if.c
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* which are:
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Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
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& Marcus Metzler (mocm@thp.uni-koeln.de)
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(c) 1999-2001 Gerd Knorr <kraxel@goldbach.in-berlin.de>
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* Adjustments to fit a more general model and all bugs:
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Copyright (C) 2003 John Klar <linpvr at projectplasma.com>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/videodev.h>
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#include <linux/i2c.h>
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#include <media/tuner.h>
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#include <media/tveeprom.h>
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MODULE_DESCRIPTION("i2c Hauppauge eeprom decoder driver");
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MODULE_AUTHOR("John Klar");
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MODULE_LICENSE("GPL");
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static int debug = 0;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "Debug level (0-2)");
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#define STRM(array,i) (i < sizeof(array)/sizeof(char*) ? array[i] : "unknown")
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#define dprintk(num, args...) \
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do { \
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if (debug >= num) \
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printk(KERN_INFO "tveeprom: " args); \
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} while (0)
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#define TVEEPROM_KERN_ERR(args...) printk(KERN_ERR "tveeprom: " args);
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#define TVEEPROM_KERN_INFO(args...) printk(KERN_INFO "tveeprom: " args);
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/* ----------------------------------------------------------------------- */
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/* some hauppauge specific stuff */
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static struct HAUPPAUGE_TUNER_FMT
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{
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int id;
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char *name;
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}
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hauppauge_tuner_fmt[] =
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{
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{ 0x00000000, "unknown1" },
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{ 0x00000000, "unknown2" },
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{ 0x00000007, "PAL(B/G)" },
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{ 0x00001000, "NTSC(M)" },
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{ 0x00000010, "PAL(I)" },
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{ 0x00400000, "SECAM(L/L<>)" },
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{ 0x00000e00, "PAL(D/K)" },
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{ 0x03000000, "ATSC Digital" },
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};
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/* This is the full list of possible tuners. Many thanks to Hauppauge for
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supplying this information. Note that many tuners where only used for
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testing and never made it to the outside world. So you will only see
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a subset in actual produced cards. */
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static struct HAUPPAUGE_TUNER
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{
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int id;
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char *name;
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}
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hauppauge_tuner[] =
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{
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/* 0-9 */
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{ TUNER_ABSENT, "None" },
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{ TUNER_ABSENT, "External" },
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{ TUNER_ABSENT, "Unspecified" },
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{ TUNER_PHILIPS_PAL, "Philips FI1216" },
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{ TUNER_PHILIPS_SECAM, "Philips FI1216MF" },
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{ TUNER_PHILIPS_NTSC, "Philips FI1236" },
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{ TUNER_PHILIPS_PAL_I, "Philips FI1246" },
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{ TUNER_PHILIPS_PAL_DK,"Philips FI1256" },
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{ TUNER_PHILIPS_PAL, "Philips FI1216 MK2" },
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{ TUNER_PHILIPS_SECAM, "Philips FI1216MF MK2" },
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/* 10-19 */
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{ TUNER_PHILIPS_NTSC, "Philips FI1236 MK2" },
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{ TUNER_PHILIPS_PAL_I, "Philips FI1246 MK2" },
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{ TUNER_PHILIPS_PAL_DK,"Philips FI1256 MK2" },
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{ TUNER_TEMIC_NTSC, "Temic 4032FY5" },
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{ TUNER_TEMIC_PAL, "Temic 4002FH5" },
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{ TUNER_TEMIC_PAL_I, "Temic 4062FY5" },
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{ TUNER_PHILIPS_PAL, "Philips FR1216 MK2" },
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{ TUNER_PHILIPS_SECAM, "Philips FR1216MF MK2" },
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{ TUNER_PHILIPS_NTSC, "Philips FR1236 MK2" },
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{ TUNER_PHILIPS_PAL_I, "Philips FR1246 MK2" },
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/* 20-29 */
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{ TUNER_PHILIPS_PAL_DK,"Philips FR1256 MK2" },
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{ TUNER_PHILIPS_PAL, "Philips FM1216" },
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{ TUNER_PHILIPS_SECAM, "Philips FM1216MF" },
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{ TUNER_PHILIPS_NTSC, "Philips FM1236" },
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{ TUNER_PHILIPS_PAL_I, "Philips FM1246" },
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{ TUNER_PHILIPS_PAL_DK,"Philips FM1256" },
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{ TUNER_TEMIC_4036FY5_NTSC, "Temic 4036FY5" },
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{ TUNER_ABSENT, "Samsung TCPN9082D" },
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{ TUNER_ABSENT, "Samsung TCPM9092P" },
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{ TUNER_TEMIC_4006FH5_PAL, "Temic 4006FH5" },
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/* 30-39 */
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{ TUNER_ABSENT, "Samsung TCPN9085D" },
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{ TUNER_ABSENT, "Samsung TCPB9085P" },
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{ TUNER_ABSENT, "Samsung TCPL9091P" },
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{ TUNER_TEMIC_4039FR5_NTSC, "Temic 4039FR5" },
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{ TUNER_PHILIPS_FQ1216ME, "Philips FQ1216 ME" },
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{ TUNER_TEMIC_4066FY5_PAL_I, "Temic 4066FY5" },
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{ TUNER_PHILIPS_NTSC, "Philips TD1536" },
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{ TUNER_PHILIPS_NTSC, "Philips TD1536D" },
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{ TUNER_PHILIPS_NTSC, "Philips FMR1236" }, /* mono radio */
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{ TUNER_ABSENT, "Philips FI1256MP" },
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/* 40-49 */
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{ TUNER_ABSENT, "Samsung TCPQ9091P" },
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{ TUNER_TEMIC_4006FN5_MULTI_PAL, "Temic 4006FN5" },
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{ TUNER_TEMIC_4009FR5_PAL, "Temic 4009FR5" },
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{ TUNER_TEMIC_4046FM5, "Temic 4046FM5" },
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{ TUNER_TEMIC_4009FN5_MULTI_PAL_FM, "Temic 4009FN5" },
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{ TUNER_ABSENT, "Philips TD1536D FH 44"},
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{ TUNER_LG_NTSC_FM, "LG TP18NSR01F"},
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{ TUNER_LG_PAL_FM, "LG TP18PSB01D"},
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{ TUNER_LG_PAL, "LG TP18PSB11D"},
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{ TUNER_LG_PAL_I_FM, "LG TAPC-I001D"},
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/* 50-59 */
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{ TUNER_LG_PAL_I, "LG TAPC-I701D"},
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{ TUNER_ABSENT, "Temic 4042FI5"},
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{ TUNER_MICROTUNE_4049FM5, "Microtune 4049 FM5"},
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{ TUNER_ABSENT, "LG TPI8NSR11F"},
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{ TUNER_ABSENT, "Microtune 4049 FM5 Alt I2C"},
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{ TUNER_ABSENT, "Philips FQ1216ME MK3"},
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{ TUNER_ABSENT, "Philips FI1236 MK3"},
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{ TUNER_PHILIPS_FM1216ME_MK3, "Philips FM1216 ME MK3"},
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{ TUNER_ABSENT, "Philips FM1236 MK3"},
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{ TUNER_ABSENT, "Philips FM1216MP MK3"},
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/* 60-69 */
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{ TUNER_ABSENT, "LG S001D MK3"},
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{ TUNER_ABSENT, "LG M001D MK3"},
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{ TUNER_ABSENT, "LG S701D MK3"},
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{ TUNER_ABSENT, "LG M701D MK3"},
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{ TUNER_ABSENT, "Temic 4146FM5"},
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{ TUNER_ABSENT, "Temic 4136FY5"},
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{ TUNER_ABSENT, "Temic 4106FH5"},
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{ TUNER_ABSENT, "Philips FQ1216LMP MK3"},
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{ TUNER_LG_NTSC_TAPE, "LG TAPE H001F MK3"},
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{ TUNER_ABSENT, "LG TAPE H701F MK3"},
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/* 70-79 */
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{ TUNER_ABSENT, "LG TALN H200T"},
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{ TUNER_ABSENT, "LG TALN H250T"},
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{ TUNER_ABSENT, "LG TALN M200T"},
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{ TUNER_ABSENT, "LG TALN Z200T"},
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{ TUNER_ABSENT, "LG TALN S200T"},
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{ TUNER_ABSENT, "Thompson DTT7595"},
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{ TUNER_ABSENT, "Thompson DTT7592"},
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{ TUNER_ABSENT, "Silicon TDA8275C1 8290"},
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{ TUNER_ABSENT, "Silicon TDA8275C1 8290 FM"},
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{ TUNER_ABSENT, "Thompson DTT757"},
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/* 80-89 */
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{ TUNER_ABSENT, "Philips FQ1216LME MK3"},
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{ TUNER_ABSENT, "LG TAPC G701D"},
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{ TUNER_LG_NTSC_NEW_TAPC, "LG TAPC H791F"},
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{ TUNER_ABSENT, "TCL 2002MB 3"},
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{ TUNER_ABSENT, "TCL 2002MI 3"},
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{ TUNER_TCL_2002N, "TCL 2002N 6A"},
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{ TUNER_ABSENT, "Philips FQ1236 MK3"},
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{ TUNER_ABSENT, "Samsung TCPN 2121P30A"},
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{ TUNER_ABSENT, "Samsung TCPE 4121P30A"},
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{ TUNER_ABSENT, "TCL MFPE05 2"},
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/* 90-99 */
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{ TUNER_ABSENT, "LG TALN H202T"},
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{ TUNER_PHILIPS_FQ1216AME_MK4, "Philips FQ1216AME MK4"},
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{ TUNER_PHILIPS_FQ1236A_MK4, "Philips FQ1236A MK4"},
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{ TUNER_ABSENT, "Philips FQ1286A MK4"},
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{ TUNER_ABSENT, "Philips FQ1216ME MK5"},
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{ TUNER_ABSENT, "Philips FQ1236 MK5"},
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{ TUNER_ABSENT, "Unspecified"},
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{ TUNER_LG_PAL_TAPE, "LG PAL (TAPE Series)"},
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};
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static char *sndtype[] = {
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"None", "TEA6300", "TEA6320", "TDA9850", "MSP3400C", "MSP3410D",
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"MSP3415", "MSP3430", "MSP3438", "CS5331", "MSP3435", "MSP3440",
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"MSP3445", "MSP3411", "MSP3416", "MSP3425",
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"Type 0x10","Type 0x11","Type 0x12","Type 0x13",
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"Type 0x14","Type 0x15","Type 0x16","Type 0x17",
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"Type 0x18","MSP4418","Type 0x1a","MSP4448",
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"Type 0x1c","Type 0x1d","Type 0x1e","Type 0x1f",
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};
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static int hasRadioTuner(int tunerType)
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{
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switch (tunerType) {
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case 18: //PNPEnv_TUNER_FR1236_MK2:
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case 23: //PNPEnv_TUNER_FM1236:
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case 38: //PNPEnv_TUNER_FMR1236:
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case 16: //PNPEnv_TUNER_FR1216_MK2:
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case 19: //PNPEnv_TUNER_FR1246_MK2:
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case 21: //PNPEnv_TUNER_FM1216:
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case 24: //PNPEnv_TUNER_FM1246:
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case 17: //PNPEnv_TUNER_FR1216MF_MK2:
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case 22: //PNPEnv_TUNER_FM1216MF:
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case 20: //PNPEnv_TUNER_FR1256_MK2:
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case 25: //PNPEnv_TUNER_FM1256:
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case 33: //PNPEnv_TUNER_4039FR5:
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case 42: //PNPEnv_TUNER_4009FR5:
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case 52: //PNPEnv_TUNER_4049FM5:
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case 54: //PNPEnv_TUNER_4049FM5_AltI2C:
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case 44: //PNPEnv_TUNER_4009FN5:
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case 31: //PNPEnv_TUNER_TCPB9085P:
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case 30: //PNPEnv_TUNER_TCPN9085D:
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case 46: //PNPEnv_TUNER_TP18NSR01F:
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case 47: //PNPEnv_TUNER_TP18PSB01D:
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case 49: //PNPEnv_TUNER_TAPC_I001D:
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case 60: //PNPEnv_TUNER_TAPE_S001D_MK3:
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case 57: //PNPEnv_TUNER_FM1216ME_MK3:
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case 59: //PNPEnv_TUNER_FM1216MP_MK3:
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case 58: //PNPEnv_TUNER_FM1236_MK3:
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case 68: //PNPEnv_TUNER_TAPE_H001F_MK3:
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case 61: //PNPEnv_TUNER_TAPE_M001D_MK3:
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case 78: //PNPEnv_TUNER_TDA8275C1_8290_FM:
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case 89: //PNPEnv_TUNER_TCL_MFPE05_2:
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case 92: //PNPEnv_TUNER_PHILIPS_FQ1236A_MK4:
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return 1;
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}
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return 0;
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}
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void tveeprom_hauppauge_analog(struct tveeprom *tvee, unsigned char *eeprom_data)
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{
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/* ----------------------------------------------
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** The hauppauge eeprom format is tagged
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**
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** if packet[0] == 0x84, then packet[0..1] == length
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** else length = packet[0] & 3f;
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** if packet[0] & f8 == f8, then EOD and packet[1] == checksum
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**
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** In our (ivtv) case we're interested in the following:
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** tuner type: tag [00].05 or [0a].01 (index into hauppauge_tuner)
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** tuner fmts: tag [00].04 or [0a].00 (bitmask index into hauppauge_tuner_fmt)
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** radio: tag [00].{last} or [0e].00 (bitmask. bit2=FM)
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** audio proc: tag [02].01 or [05].00 (lower nibble indexes lut?)
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** Fun info:
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** model: tag [00].07-08 or [06].00-01
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** revision: tag [00].09-0b or [06].04-06
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** serial#: tag [01].05-07 or [04].04-06
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** # of inputs/outputs ???
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*/
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int i, j, len, done, beenhere, tag, tuner = 0, t_format = 0;
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char *t_name = NULL, *t_fmt_name = NULL;
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|
|
dprintk(1, "%s\n",__FUNCTION__);
|
|||
|
|
tvee->revision = done = len = beenhere = 0;
|
|||
|
|
for (i = 0; !done && i < 256; i += len) {
|
|||
|
|
dprintk(2, "processing pos = %02x (%02x, %02x)\n",
|
|||
|
|
i, eeprom_data[i], eeprom_data[i + 1]);
|
|||
|
|
|
|||
|
|
if (eeprom_data[i] == 0x84) {
|
|||
|
|
len = eeprom_data[i + 1] + (eeprom_data[i + 2] << 8);
|
|||
|
|
i+=3;
|
|||
|
|
} else if ((eeprom_data[i] & 0xf0) == 0x70) {
|
|||
|
|
if ((eeprom_data[i] & 0x08)) {
|
|||
|
|
/* verify checksum! */
|
|||
|
|
done = 1;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
len = eeprom_data[i] & 0x07;
|
|||
|
|
++i;
|
|||
|
|
} else {
|
|||
|
|
TVEEPROM_KERN_ERR("Encountered bad packet header [%02x]. "
|
|||
|
|
"Corrupt or not a Hauppauge eeprom.\n", eeprom_data[i]);
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
dprintk(1, "%3d [%02x] ", len, eeprom_data[i]);
|
|||
|
|
for(j = 1; j < len; j++) {
|
|||
|
|
dprintk(1, "%02x ", eeprom_data[i + j]);
|
|||
|
|
}
|
|||
|
|
dprintk(1, "\n");
|
|||
|
|
|
|||
|
|
/* process by tag */
|
|||
|
|
tag = eeprom_data[i];
|
|||
|
|
switch (tag) {
|
|||
|
|
case 0x00:
|
|||
|
|
tuner = eeprom_data[i+6];
|
|||
|
|
t_format = eeprom_data[i+5];
|
|||
|
|
tvee->has_radio = eeprom_data[i+len-1];
|
|||
|
|
tvee->model =
|
|||
|
|
eeprom_data[i+8] +
|
|||
|
|
(eeprom_data[i+9] << 8);
|
|||
|
|
tvee->revision = eeprom_data[i+10] +
|
|||
|
|
(eeprom_data[i+11] << 8) +
|
|||
|
|
(eeprom_data[i+12] << 16);
|
|||
|
|
break;
|
|||
|
|
case 0x01:
|
|||
|
|
tvee->serial_number =
|
|||
|
|
eeprom_data[i+6] +
|
|||
|
|
(eeprom_data[i+7] << 8) +
|
|||
|
|
(eeprom_data[i+8] << 16);
|
|||
|
|
break;
|
|||
|
|
case 0x02:
|
|||
|
|
tvee->audio_processor = eeprom_data[i+2] & 0x0f;
|
|||
|
|
break;
|
|||
|
|
case 0x04:
|
|||
|
|
tvee->serial_number =
|
|||
|
|
eeprom_data[i+5] +
|
|||
|
|
(eeprom_data[i+6] << 8) +
|
|||
|
|
(eeprom_data[i+7] << 16);
|
|||
|
|
break;
|
|||
|
|
case 0x05:
|
|||
|
|
tvee->audio_processor = eeprom_data[i+1] & 0x0f;
|
|||
|
|
break;
|
|||
|
|
case 0x06:
|
|||
|
|
tvee->model =
|
|||
|
|
eeprom_data[i+1] +
|
|||
|
|
(eeprom_data[i+2] << 8);
|
|||
|
|
tvee->revision = eeprom_data[i+5] +
|
|||
|
|
(eeprom_data[i+6] << 8) +
|
|||
|
|
(eeprom_data[i+7] << 16);
|
|||
|
|
break;
|
|||
|
|
case 0x0a:
|
|||
|
|
if(beenhere == 0) {
|
|||
|
|
tuner = eeprom_data[i+2];
|
|||
|
|
t_format = eeprom_data[i+1];
|
|||
|
|
beenhere = 1;
|
|||
|
|
break;
|
|||
|
|
} else {
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
case 0x0e:
|
|||
|
|
tvee->has_radio = eeprom_data[i+1];
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
dprintk(1, "Not sure what to do with tag [%02x]\n", tag);
|
|||
|
|
/* dump the rest of the packet? */
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!done) {
|
|||
|
|
TVEEPROM_KERN_ERR("Ran out of data!\n");
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (tvee->revision != 0) {
|
|||
|
|
tvee->rev_str[0] = 32 + ((tvee->revision >> 18) & 0x3f);
|
|||
|
|
tvee->rev_str[1] = 32 + ((tvee->revision >> 12) & 0x3f);
|
|||
|
|
tvee->rev_str[2] = 32 + ((tvee->revision >> 6) & 0x3f);
|
|||
|
|
tvee->rev_str[3] = 32 + ( tvee->revision & 0x3f);
|
|||
|
|
tvee->rev_str[4] = 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (hasRadioTuner(tuner) && !tvee->has_radio) {
|
|||
|
|
TVEEPROM_KERN_INFO("The eeprom says no radio is present, but the tuner type\n");
|
|||
|
|
TVEEPROM_KERN_INFO("indicates otherwise. I will assume that radio is present.\n");
|
|||
|
|
tvee->has_radio = 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (tuner < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
|
|||
|
|
tvee->tuner_type = hauppauge_tuner[tuner].id;
|
|||
|
|
t_name = hauppauge_tuner[tuner].name;
|
|||
|
|
} else {
|
|||
|
|
t_name = "<unknown>";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
tvee->tuner_formats = 0;
|
|||
|
|
t_fmt_name = "<none>";
|
|||
|
|
for (i = 0; i < 8; i++) {
|
|||
|
|
if (t_format & (1<<i)) {
|
|||
|
|
tvee->tuner_formats |= hauppauge_tuner_fmt[i].id;
|
|||
|
|
/* yuck */
|
|||
|
|
t_fmt_name = hauppauge_tuner_fmt[i].name;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#if 0
|
|||
|
|
if (t_format < sizeof(hauppauge_tuner_fmt)/sizeof(struct HAUPPAUGE_TUNER_FMT)) {
|
|||
|
|
tvee->tuner_formats = hauppauge_tuner_fmt[t_format].id;
|
|||
|
|
t_fmt_name = hauppauge_tuner_fmt[t_format].name;
|
|||
|
|
} else {
|
|||
|
|
t_fmt_name = "<unknown>";
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
TVEEPROM_KERN_INFO("Hauppauge: model = %d, rev = %s, serial# = %d\n",
|
|||
|
|
tvee->model,
|
|||
|
|
tvee->rev_str,
|
|||
|
|
tvee->serial_number);
|
|||
|
|
TVEEPROM_KERN_INFO("tuner = %s (idx = %d, type = %d)\n",
|
|||
|
|
t_name,
|
|||
|
|
tuner,
|
|||
|
|
tvee->tuner_type);
|
|||
|
|
TVEEPROM_KERN_INFO("tuner fmt = %s (eeprom = 0x%02x, v4l2 = 0x%08x)\n",
|
|||
|
|
t_fmt_name,
|
|||
|
|
t_format,
|
|||
|
|
tvee->tuner_formats);
|
|||
|
|
|
|||
|
|
TVEEPROM_KERN_INFO("audio_processor = %s (type = %d)\n",
|
|||
|
|
STRM(sndtype,tvee->audio_processor),
|
|||
|
|
tvee->audio_processor);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
EXPORT_SYMBOL(tveeprom_hauppauge_analog);
|
|||
|
|
|
|||
|
|
/* ----------------------------------------------------------------------- */
|
|||
|
|
/* generic helper functions */
|
|||
|
|
|
|||
|
|
int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
|
|||
|
|
{
|
|||
|
|
unsigned char buf;
|
|||
|
|
int err;
|
|||
|
|
|
|||
|
|
dprintk(1, "%s\n",__FUNCTION__);
|
|||
|
|
buf = 0;
|
|||
|
|
if (1 != (err = i2c_master_send(c,&buf,1))) {
|
|||
|
|
printk(KERN_INFO "tveeprom(%s): Huh, no eeprom present (err=%d)?\n",
|
|||
|
|
c->name,err);
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
if (len != (err = i2c_master_recv(c,eedata,len))) {
|
|||
|
|
printk(KERN_WARNING "tveeprom(%s): i2c eeprom read error (err=%d)\n",
|
|||
|
|
c->name,err);
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
EXPORT_SYMBOL(tveeprom_read);
|
|||
|
|
|
|||
|
|
int tveeprom_dump(unsigned char *eedata, int len)
|
|||
|
|
{
|
|||
|
|
int i;
|
|||
|
|
|
|||
|
|
dprintk(1, "%s\n",__FUNCTION__);
|
|||
|
|
for (i = 0; i < len; i++) {
|
|||
|
|
if (0 == (i % 16))
|
|||
|
|
printk(KERN_INFO "tveeprom: %02x:",i);
|
|||
|
|
printk(" %02x",eedata[i]);
|
|||
|
|
if (15 == (i % 16))
|
|||
|
|
printk("\n");
|
|||
|
|
}
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
EXPORT_SYMBOL(tveeprom_dump);
|
|||
|
|
|
|||
|
|
/* ----------------------------------------------------------------------- */
|
|||
|
|
/* needed for ivtv.sf.net at the moment. Should go away in the long */
|
|||
|
|
/* run, just call the exported tveeprom_* directly, there is no point in */
|
|||
|
|
/* using the indirect way via i2c_driver->command() */
|
|||
|
|
|
|||
|
|
#ifndef I2C_DRIVERID_TVEEPROM
|
|||
|
|
# define I2C_DRIVERID_TVEEPROM I2C_DRIVERID_EXP2
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
static unsigned short normal_i2c[] = {
|
|||
|
|
0xa0 >> 1,
|
|||
|
|
I2C_CLIENT_END,
|
|||
|
|
};
|
|||
|
|
static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
|
|||
|
|
I2C_CLIENT_INSMOD;
|
|||
|
|
|
|||
|
|
struct i2c_driver i2c_driver_tveeprom;
|
|||
|
|
|
|||
|
|
static int
|
|||
|
|
tveeprom_command(struct i2c_client *client,
|
|||
|
|
unsigned int cmd,
|
|||
|
|
void *arg)
|
|||
|
|
{
|
|||
|
|
struct tveeprom eeprom;
|
|||
|
|
u32 *eeprom_props = arg;
|
|||
|
|
u8 *buf;
|
|||
|
|
|
|||
|
|
switch (cmd) {
|
|||
|
|
case 0:
|
|||
|
|
buf = kmalloc(256,GFP_KERNEL);
|
|||
|
|
memset(buf,0,256);
|
|||
|
|
tveeprom_read(client,buf,256);
|
|||
|
|
tveeprom_hauppauge_analog(&eeprom,buf);
|
|||
|
|
kfree(buf);
|
|||
|
|
eeprom_props[0] = eeprom.tuner_type;
|
|||
|
|
eeprom_props[1] = eeprom.tuner_formats;
|
|||
|
|
eeprom_props[2] = eeprom.model;
|
|||
|
|
eeprom_props[3] = eeprom.revision;
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
return -EINVAL;
|
|||
|
|
}
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static int
|
|||
|
|
tveeprom_detect_client(struct i2c_adapter *adapter,
|
|||
|
|
int address,
|
|||
|
|
int kind)
|
|||
|
|
{
|
|||
|
|
struct i2c_client *client;
|
|||
|
|
|
|||
|
|
dprintk(1,"%s: id 0x%x @ 0x%x\n",__FUNCTION__,
|
|||
|
|
adapter->id, address << 1);
|
|||
|
|
client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
|
|||
|
|
if (NULL == client)
|
|||
|
|
return -ENOMEM;
|
|||
|
|
memset(client, 0, sizeof(struct i2c_client));
|
|||
|
|
client->addr = address;
|
|||
|
|
client->adapter = adapter;
|
|||
|
|
client->driver = &i2c_driver_tveeprom;
|
|||
|
|
client->flags = I2C_CLIENT_ALLOW_USE;
|
|||
|
|
snprintf(client->name, sizeof(client->name), "tveeprom");
|
|||
|
|
i2c_attach_client(client);
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static int
|
|||
|
|
tveeprom_attach_adapter (struct i2c_adapter *adapter)
|
|||
|
|
{
|
|||
|
|
dprintk(1,"%s: id 0x%x\n",__FUNCTION__,adapter->id);
|
|||
|
|
if (adapter->id != (I2C_ALGO_BIT | I2C_HW_B_BT848))
|
|||
|
|
return 0;
|
|||
|
|
return i2c_probe(adapter, &addr_data, tveeprom_detect_client);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static int
|
|||
|
|
tveeprom_detach_client (struct i2c_client *client)
|
|||
|
|
{
|
|||
|
|
int err;
|
|||
|
|
|
|||
|
|
err = i2c_detach_client(client);
|
|||
|
|
if (err < 0)
|
|||
|
|
return err;
|
|||
|
|
kfree(client);
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
struct i2c_driver i2c_driver_tveeprom = {
|
|||
|
|
.owner = THIS_MODULE,
|
|||
|
|
.name = "tveeprom",
|
|||
|
|
.id = I2C_DRIVERID_TVEEPROM,
|
|||
|
|
.flags = I2C_DF_NOTIFY,
|
|||
|
|
.attach_adapter = tveeprom_attach_adapter,
|
|||
|
|
.detach_client = tveeprom_detach_client,
|
|||
|
|
.command = tveeprom_command,
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
static int __init tveeprom_init(void)
|
|||
|
|
{
|
|||
|
|
return i2c_add_driver(&i2c_driver_tveeprom);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static void __exit tveeprom_exit(void)
|
|||
|
|
{
|
|||
|
|
i2c_del_driver(&i2c_driver_tveeprom);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
module_init(tveeprom_init);
|
|||
|
|
module_exit(tveeprom_exit);
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* Local variables:
|
|||
|
|
* c-basic-offset: 8
|
|||
|
|
* End:
|
|||
|
|
*/
|