diff options
Diffstat (limited to 'drivers/media/video/tveeprom.c')
| -rw-r--r-- | drivers/media/video/tveeprom.c | 587 |
1 files changed, 587 insertions, 0 deletions
diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c new file mode 100644 index 000000000000..e1443a0937e3 --- /dev/null +++ b/drivers/media/video/tveeprom.c @@ -0,0 +1,587 @@ +/* + * 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_ABSENT, "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; + } + } + +#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: + */ |