This commit was manufactured by cvs2svn to create branch 'vserver'.
[linux-2.6.git] / drivers / media / video / tveeprom.c
diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c
new file mode 100644 (file)
index 0000000..21b844a
--- /dev/null
@@ -0,0 +1,577 @@
+/*
+ * 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/errno.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/types.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_ABSENT,        "Philips FQ1216AME MK4"},
+       { TUNER_ABSENT,        "Philips FQ1236A MK4"},
+       { TUNER_ABSENT,        "Philips FQ1286A MK4"},
+       { TUNER_ABSENT,        "Philips FQ1216ME MK5"},
+       { TUNER_ABSENT,        "Philips FQ1236 MK5"},
+};
+
+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:
+                    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_tuners)
+       ** tuner fmts: tag [00].04 or [0a].00 (bitmask index into hauppauge_fmts)
+       ** 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, tag, tuner = 0, t_format = 0;
+       char *t_name = NULL, *t_fmt_name = NULL;
+
+       dprintk(1, "%s\n",__FUNCTION__);
+       tvee->revision = done = len = 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:
+                       tuner = eeprom_data[i+2];
+                       t_format = eeprom_data[i+1];
+                       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:
+ */