From: Gerd Knorr <kraxel@bytesex.org>
To: Andrew Morton <akpm@osdl.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: [patch] v4l: add tveeprom module.
Date: Thu, 20 Jan 2005 16:27:09 +0100 [thread overview]
Message-ID: <20050120152709.GA12962@bytesex> (raw)
Add a module which can parse config informations out of
TV card eeproms. Will be used by bttv, cx88 and ivtv.
Signed-off-by: Gerd Knorr <kraxel@bytesex.org>
---
drivers/media/Kconfig | 3
drivers/media/video/Makefile | 1
drivers/media/video/tveeprom.c | 577 +++++++++++++++++++++++++++++++++
include/media/tveeprom.h | 23 +
4 files changed, 604 insertions(+)
Index: linux-2.6.10/include/media/tveeprom.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.10/include/media/tveeprom.h 2005-01-19 14:11:40.830555813 +0100
@@ -0,0 +1,23 @@
+struct tveeprom {
+ u32 has_radio;
+
+ u32 tuner_type;
+ u32 tuner_formats;
+
+ u32 digitizer;
+ u32 digitizer_formats;
+
+ u32 audio_processor;
+ /* a_p_fmts? */
+
+ u32 model;
+ u32 revision;
+ u32 serial_number;
+ char rev_str[5];
+};
+
+void tveeprom_hauppauge_analog(struct tveeprom *tvee,
+ unsigned char *eeprom_data);
+
+int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len);
+int tveeprom_dump(unsigned char *eedata, int len);
Index: linux-2.6.10/drivers/media/video/tveeprom.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.10/drivers/media/video/tveeprom.c 2005-01-19 14:12:11.606770486 +0100
@@ -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:
+ */
Index: linux-2.6.10/drivers/media/Kconfig
===================================================================
--- linux-2.6.10.orig/drivers/media/Kconfig 2004-12-29 23:59:52.000000000 +0100
+++ linux-2.6.10/drivers/media/Kconfig 2005-01-19 14:11:40.844553181 +0100
@@ -47,5 +47,8 @@ config VIDEO_BTCX
config VIDEO_IR
tristate
+config VIDEO_TVEEPROM
+ tristate
+
endmenu
Index: linux-2.6.10/drivers/media/video/Makefile
===================================================================
--- linux-2.6.10.orig/drivers/media/video/Makefile 2004-12-29 23:56:17.000000000 +0100
+++ linux-2.6.10/drivers/media/video/Makefile 2005-01-19 14:11:40.853551490 +0100
@@ -48,6 +48,7 @@ obj-$(CONFIG_VIDEO_TUNER) += tuner.o tda
obj-$(CONFIG_VIDEO_BUF) += video-buf.o
obj-$(CONFIG_VIDEO_BUF_DVB) += video-buf-dvb.o
obj-$(CONFIG_VIDEO_BTCX) += btcx-risc.o
+obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o
obj-$(CONFIG_VIDEO_M32R_AR_M64278) += arv.o
--
#define printk(args...) fprintf(stderr, ## args)
reply other threads:[~2005-01-20 15:37 UTC|newest]
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