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- /*
- * tveeprom - eeprom decoder for tvcard configuration eeproms
- *
- * Data and decoding routines shamelessly borrowed from bttv-cards.c
- * eeprom access routine shamelessly borrowed from bttv-if.c
- * which are:
- Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
- & Marcus Metzler (mocm@thp.uni-koeln.de)
- (c) 1999-2001 Gerd Knorr <kraxel@goldbach.in-berlin.de>
- * Adjustments to fit a more general model and all bugs:
- Copyright (C) 2003 John Klar <linpvr at projectplasma.com>
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- #include <linux/module.h>
- #include <linux/moduleparam.h>
- #include <linux/errno.h>
- #include <linux/kernel.h>
- #include <linux/init.h>
- #include <linux/types.h>
- #include <linux/videodev.h>
- #include <linux/i2c.h>
- #include <media/tuner.h>
- #include <media/tveeprom.h>
- MODULE_DESCRIPTION("i2c Hauppauge eeprom decoder driver");
- MODULE_AUTHOR("John Klar");
- MODULE_LICENSE("GPL");
- static int debug = 0;
- module_param(debug, int, 0644);
- MODULE_PARM_DESC(debug, "Debug level (0-2)");
- #define STRM(array,i) (i < sizeof(array)/sizeof(char*) ? array[i] : "unknown")
- #define dprintk(num, args...) \
- do { \
- if (debug >= num) \
- printk(KERN_INFO "tveeprom: " args); \
- } while (0)
- #define TVEEPROM_KERN_ERR(args...) printk(KERN_ERR "tveeprom: " args);
- #define TVEEPROM_KERN_INFO(args...) printk(KERN_INFO "tveeprom: " args);
- /* ----------------------------------------------------------------------- */
- /* some hauppauge specific stuff */
- static struct HAUPPAUGE_TUNER_FMT
- {
- int id;
- char *name;
- }
- hauppauge_tuner_fmt[] =
- {
- { 0x00000000, "unknown1" },
- { 0x00000000, "unknown2" },
- { 0x00000007, "PAL(B/G)" },
- { 0x00001000, "NTSC(M)" },
- { 0x00000010, "PAL(I)" },
- { 0x00400000, "SECAM(L/L´)" },
- { 0x00000e00, "PAL(D/K)" },
- { 0x03000000, "ATSC Digital" },
- };
- /* This is the full list of possible tuners. Many thanks to Hauppauge for
- supplying this information. Note that many tuners where only used for
- testing and never made it to the outside world. So you will only see
- a subset in actual produced cards. */
- static struct HAUPPAUGE_TUNER
- {
- int id;
- char *name;
- }
- hauppauge_tuner[] =
- {
- /* 0-9 */
- { TUNER_ABSENT, "None" },
- { TUNER_ABSENT, "External" },
- { TUNER_ABSENT, "Unspecified" },
- { TUNER_PHILIPS_PAL, "Philips FI1216" },
- { TUNER_PHILIPS_SECAM, "Philips FI1216MF" },
- { TUNER_PHILIPS_NTSC, "Philips FI1236" },
- { TUNER_PHILIPS_PAL_I, "Philips FI1246" },
- { TUNER_PHILIPS_PAL_DK,"Philips FI1256" },
- { TUNER_PHILIPS_PAL, "Philips FI1216 MK2" },
- { TUNER_PHILIPS_SECAM, "Philips FI1216MF MK2" },
- /* 10-19 */
- { TUNER_PHILIPS_NTSC, "Philips FI1236 MK2" },
- { TUNER_PHILIPS_PAL_I, "Philips FI1246 MK2" },
- { TUNER_PHILIPS_PAL_DK,"Philips FI1256 MK2" },
- { TUNER_TEMIC_NTSC, "Temic 4032FY5" },
- { TUNER_TEMIC_PAL, "Temic 4002FH5" },
- { TUNER_TEMIC_PAL_I, "Temic 4062FY5" },
- { TUNER_PHILIPS_PAL, "Philips FR1216 MK2" },
- { TUNER_PHILIPS_SECAM, "Philips FR1216MF MK2" },
- { TUNER_PHILIPS_NTSC, "Philips FR1236 MK2" },
- { TUNER_PHILIPS_PAL_I, "Philips FR1246 MK2" },
- /* 20-29 */
- { TUNER_PHILIPS_PAL_DK,"Philips FR1256 MK2" },
- { TUNER_PHILIPS_PAL, "Philips FM1216" },
- { TUNER_PHILIPS_SECAM, "Philips FM1216MF" },
- { TUNER_PHILIPS_NTSC, "Philips FM1236" },
- { TUNER_PHILIPS_PAL_I, "Philips FM1246" },
- { TUNER_PHILIPS_PAL_DK,"Philips FM1256" },
- { TUNER_TEMIC_4036FY5_NTSC, "Temic 4036FY5" },
- { TUNER_ABSENT, "Samsung TCPN9082D" },
- { TUNER_ABSENT, "Samsung TCPM9092P" },
- { TUNER_TEMIC_4006FH5_PAL, "Temic 4006FH5" },
- /* 30-39 */
- { TUNER_ABSENT, "Samsung TCPN9085D" },
- { TUNER_ABSENT, "Samsung TCPB9085P" },
- { TUNER_ABSENT, "Samsung TCPL9091P" },
- { TUNER_TEMIC_4039FR5_NTSC, "Temic 4039FR5" },
- { TUNER_PHILIPS_FQ1216ME, "Philips FQ1216 ME" },
- { TUNER_TEMIC_4066FY5_PAL_I, "Temic 4066FY5" },
- { TUNER_PHILIPS_NTSC, "Philips TD1536" },
- { TUNER_PHILIPS_NTSC, "Philips TD1536D" },
- { TUNER_PHILIPS_NTSC, "Philips FMR1236" }, /* mono radio */
- { TUNER_ABSENT, "Philips FI1256MP" },
- /* 40-49 */
- { TUNER_ABSENT, "Samsung TCPQ9091P" },
- { TUNER_TEMIC_4006FN5_MULTI_PAL, "Temic 4006FN5" },
- { TUNER_TEMIC_4009FR5_PAL, "Temic 4009FR5" },
- { TUNER_TEMIC_4046FM5, "Temic 4046FM5" },
- { TUNER_TEMIC_4009FN5_MULTI_PAL_FM, "Temic 4009FN5" },
- { TUNER_ABSENT, "Philips TD1536D FH 44"},
- { TUNER_LG_NTSC_FM, "LG TP18NSR01F"},
- { TUNER_LG_PAL_FM, "LG TP18PSB01D"},
- { TUNER_LG_PAL, "LG TP18PSB11D"},
- { TUNER_LG_PAL_I_FM, "LG TAPC-I001D"},
- /* 50-59 */
- { TUNER_LG_PAL_I, "LG TAPC-I701D"},
- { TUNER_ABSENT, "Temic 4042FI5"},
- { TUNER_MICROTUNE_4049FM5, "Microtune 4049 FM5"},
- { TUNER_ABSENT, "LG TPI8NSR11F"},
- { TUNER_ABSENT, "Microtune 4049 FM5 Alt I2C"},
- { TUNER_ABSENT, "Philips FQ1216ME MK3"},
- { TUNER_ABSENT, "Philips FI1236 MK3"},
- { TUNER_PHILIPS_FM1216ME_MK3, "Philips FM1216 ME MK3"},
- { TUNER_ABSENT, "Philips FM1236 MK3"},
- { TUNER_ABSENT, "Philips FM1216MP MK3"},
- /* 60-69 */
- { TUNER_ABSENT, "LG S001D MK3"},
- { TUNER_ABSENT, "LG M001D MK3"},
- { TUNER_ABSENT, "LG S701D MK3"},
- { TUNER_ABSENT, "LG M701D MK3"},
- { TUNER_ABSENT, "Temic 4146FM5"},
- { TUNER_ABSENT, "Temic 4136FY5"},
- { TUNER_ABSENT, "Temic 4106FH5"},
- { TUNER_ABSENT, "Philips FQ1216LMP MK3"},
- { TUNER_LG_NTSC_TAPE, "LG TAPE H001F MK3"},
- { TUNER_ABSENT, "LG TAPE H701F MK3"},
- /* 70-79 */
- { TUNER_ABSENT, "LG TALN H200T"},
- { TUNER_ABSENT, "LG TALN H250T"},
- { TUNER_ABSENT, "LG TALN M200T"},
- { TUNER_ABSENT, "LG TALN Z200T"},
- { TUNER_ABSENT, "LG TALN S200T"},
- { TUNER_ABSENT, "Thompson DTT7595"},
- { TUNER_ABSENT, "Thompson DTT7592"},
- { TUNER_ABSENT, "Silicon TDA8275C1 8290"},
- { TUNER_ABSENT, "Silicon TDA8275C1 8290 FM"},
- { TUNER_ABSENT, "Thompson DTT757"},
- /* 80-89 */
- { TUNER_ABSENT, "Philips FQ1216LME MK3"},
- { TUNER_ABSENT, "LG TAPC G701D"},
- { TUNER_LG_NTSC_NEW_TAPC, "LG TAPC H791F"},
- { TUNER_ABSENT, "TCL 2002MB 3"},
- { TUNER_ABSENT, "TCL 2002MI 3"},
- { TUNER_TCL_2002N, "TCL 2002N 6A"},
- { TUNER_ABSENT, "Philips FQ1236 MK3"},
- { TUNER_ABSENT, "Samsung TCPN 2121P30A"},
- { TUNER_ABSENT, "Samsung TCPE 4121P30A"},
- { TUNER_PHILIPS_FM1216ME_MK3, "TCL MFPE05 2"},
- /* 90-99 */
- { TUNER_ABSENT, "LG TALN H202T"},
- { TUNER_PHILIPS_FQ1216AME_MK4, "Philips FQ1216AME MK4"},
- { TUNER_PHILIPS_FQ1236A_MK4, "Philips FQ1236A MK4"},
- { TUNER_ABSENT, "Philips FQ1286A MK4"},
- { TUNER_ABSENT, "Philips FQ1216ME MK5"},
- { TUNER_ABSENT, "Philips FQ1236 MK5"},
- { TUNER_ABSENT, "Unspecified"},
- { TUNER_LG_PAL_TAPE, "LG PAL (TAPE Series)"},
- };
- static char *sndtype[] = {
- "None", "TEA6300", "TEA6320", "TDA9850", "MSP3400C", "MSP3410D",
- "MSP3415", "MSP3430", "MSP3438", "CS5331", "MSP3435", "MSP3440",
- "MSP3445", "MSP3411", "MSP3416", "MSP3425",
- "Type 0x10","Type 0x11","Type 0x12","Type 0x13",
- "Type 0x14","Type 0x15","Type 0x16","Type 0x17",
- "Type 0x18","MSP4418","Type 0x1a","MSP4448",
- "Type 0x1c","Type 0x1d","Type 0x1e","Type 0x1f",
- };
- static int hasRadioTuner(int tunerType)
- {
- switch (tunerType) {
- case 18: //PNPEnv_TUNER_FR1236_MK2:
- case 23: //PNPEnv_TUNER_FM1236:
- case 38: //PNPEnv_TUNER_FMR1236:
- case 16: //PNPEnv_TUNER_FR1216_MK2:
- case 19: //PNPEnv_TUNER_FR1246_MK2:
- case 21: //PNPEnv_TUNER_FM1216:
- case 24: //PNPEnv_TUNER_FM1246:
- case 17: //PNPEnv_TUNER_FR1216MF_MK2:
- case 22: //PNPEnv_TUNER_FM1216MF:
- case 20: //PNPEnv_TUNER_FR1256_MK2:
- case 25: //PNPEnv_TUNER_FM1256:
- case 33: //PNPEnv_TUNER_4039FR5:
- case 42: //PNPEnv_TUNER_4009FR5:
- case 52: //PNPEnv_TUNER_4049FM5:
- case 54: //PNPEnv_TUNER_4049FM5_AltI2C:
- case 44: //PNPEnv_TUNER_4009FN5:
- case 31: //PNPEnv_TUNER_TCPB9085P:
- case 30: //PNPEnv_TUNER_TCPN9085D:
- case 46: //PNPEnv_TUNER_TP18NSR01F:
- case 47: //PNPEnv_TUNER_TP18PSB01D:
- case 49: //PNPEnv_TUNER_TAPC_I001D:
- case 60: //PNPEnv_TUNER_TAPE_S001D_MK3:
- case 57: //PNPEnv_TUNER_FM1216ME_MK3:
- case 59: //PNPEnv_TUNER_FM1216MP_MK3:
- case 58: //PNPEnv_TUNER_FM1236_MK3:
- case 68: //PNPEnv_TUNER_TAPE_H001F_MK3:
- case 61: //PNPEnv_TUNER_TAPE_M001D_MK3:
- case 78: //PNPEnv_TUNER_TDA8275C1_8290_FM:
- case 89: //PNPEnv_TUNER_TCL_MFPE05_2:
- case 92: //PNPEnv_TUNER_PHILIPS_FQ1236A_MK4:
- return 1;
- }
- return 0;
- }
- void tveeprom_hauppauge_analog(struct tveeprom *tvee, unsigned char *eeprom_data)
- {
- /* ----------------------------------------------
- ** The hauppauge eeprom format is tagged
- **
- ** if packet[0] == 0x84, then packet[0..1] == length
- ** else length = packet[0] & 3f;
- ** if packet[0] & f8 == f8, then EOD and packet[1] == checksum
- **
- ** In our (ivtv) case we're interested in the following:
- ** tuner type: tag [00].05 or [0a].01 (index into hauppauge_tuner)
- ** tuner fmts: tag [00].04 or [0a].00 (bitmask index into hauppauge_tuner_fmt)
- ** radio: tag [00].{last} or [0e].00 (bitmask. bit2=FM)
- ** audio proc: tag [02].01 or [05].00 (lower nibble indexes lut?)
- ** Fun info:
- ** model: tag [00].07-08 or [06].00-01
- ** revision: tag [00].09-0b or [06].04-06
- ** serial#: tag [01].05-07 or [04].04-06
- ** # of inputs/outputs ???
- */
- int i, j, len, done, beenhere, tag, tuner = 0, t_format = 0;
- char *t_name = NULL, *t_fmt_name = NULL;
- 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;
- }
- }
- 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);
- #if 0
- 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);
- #endif /* 0 */
- /* ----------------------------------------------------------------------- */
- /* 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,
- };
- I2C_CLIENT_INSMOD;
- static 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_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;
- }
- static 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:
- */
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