-/*
+/*
* saa7111 - Philips SAA7111A video decoder driver version 0.0.3
*
* Copyright (C) 1998 Dave Perks <dperks@ibm.net>
* Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
* - moved over to linux>=2.4.x i2c protocol (1/1/2003)
*
+ * Changes by Michael Hunold <michael@mihu.de>
+ * - implemented DECODER_SET_GPIO, DECODER_INIT, DECODER_SET_VBI_BYPASS
+ *
* 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
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/sched.h>
-#include <asm/segment.h>
#include <linux/types.h>
#include <linux/videodev.h>
MODULE_LICENSE("GPL");
#include <linux/i2c.h>
-#include <linux/i2c-dev.h>
#define I2C_NAME(s) (s)->name
#include <linux/video_decoder.h>
static int debug = 0;
-MODULE_PARM(debug, "i");
+module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
#define dprintk(num, format, args...) \
/* ----------------------------------------------------------------------- */
+#define SAA7111_NR_REG 0x18
+
struct saa7111 {
- unsigned char reg[32];
+ unsigned char reg[SAA7111_NR_REG];
int norm;
int input;
if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
/* do raw I2C, not smbus compatible */
struct saa7111 *decoder = i2c_get_clientdata(client);
- struct i2c_msg msg;
u8 block_data[32];
+ int block_len;
- msg.addr = client->addr;
- msg.flags = client->flags;
while (len >= 2) {
- msg.buf = (char *) block_data;
- msg.len = 0;
- block_data[msg.len++] = reg = data[0];
+ block_len = 0;
+ block_data[block_len++] = reg = data[0];
do {
- block_data[msg.len++] =
+ block_data[block_len++] =
decoder->reg[reg++] = data[1];
len -= 2;
data += 2;
} while (len >= 2 && data[0] == reg &&
- msg.len < 32);
- if ((ret = i2c_transfer(client->adapter,
- &msg, 1)) < 0)
+ block_len < 32);
+ if ((ret = i2c_master_send(client, block_data,
+ block_len)) < 0)
break;
}
} else {
return ret;
}
+static int
+saa7111_init_decoder (struct i2c_client *client,
+ struct video_decoder_init *init)
+{
+ return saa7111_write_block(client, init->data, init->len);
+}
+
static inline int
saa7111_read (struct i2c_client *client,
u8 reg)
/* ----------------------------------------------------------------------- */
-static const unsigned char init[] = {
+static const unsigned char saa7111_i2c_init[] = {
0x00, 0x00, /* 00 - ID byte */
0x01, 0x00, /* 01 - reserved */
switch (cmd) {
case 0:
- //saa7111_write_block(client, init, sizeof(init));
break;
+ case DECODER_INIT:
+ {
+ struct video_decoder_init *init = arg;
+ if (NULL != init)
+ return saa7111_init_decoder(client, init);
+ else {
+ struct video_decoder_init vdi;
+ vdi.data = saa7111_i2c_init;
+ vdi.len = sizeof(saa7111_i2c_init);
+ return saa7111_init_decoder(client, &vdi);
+ }
+ }
case DECODER_DUMP:
{
int i;
- for (i = 0; i < 32; i += 16) {
+ for (i = 0; i < SAA7111_NR_REG; i += 16) {
int j;
printk(KERN_DEBUG "%s: %03x", I2C_NAME(client), i);
- for (j = 0; j < 16; ++j) {
+ for (j = 0; j < 16 && i + j < SAA7111_NR_REG; ++j) {
printk(" %02x",
saa7111_read(client, i + j));
}
}
break;
+ case DECODER_SET_GPIO:
+ {
+ int *iarg = arg;
+ if (0 != *iarg) {
+ saa7111_write(client, 0x11,
+ (decoder->reg[0x11] | 0x80));
+ } else {
+ saa7111_write(client, 0x11,
+ (decoder->reg[0x11] & 0x7f));
+ }
+ break;
+ }
+
+ case DECODER_SET_VBI_BYPASS:
+ {
+ int *iarg = arg;
+ if (0 != *iarg) {
+ saa7111_write(client, 0x13,
+ (decoder->reg[0x13] & 0xf0) | 0x0a);
+ } else {
+ saa7111_write(client, 0x13,
+ (decoder->reg[0x13] & 0xf0));
+ }
+ break;
+ }
+
case DECODER_SET_NORM:
{
int *iarg = arg;
case VIDEO_MODE_SECAM:
saa7111_write(client, 0x08,
- (decoder->reg[0x0e] & 0x3f) | 0x00);
+ (decoder->reg[0x08] & 0x3f) | 0x00);
saa7111_write(client, 0x0e,
(decoder->reg[0x0e] & 0x8f) | 0x50);
break;
* concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
*/
static unsigned short normal_i2c[] = { I2C_SAA7111 >> 1, I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
-
-static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END };
-static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END };
-static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END };
-static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END };
-static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END };
-
+
+static unsigned short ignore = I2C_CLIENT_END;
+
static struct i2c_client_address_data addr_data = {
.normal_i2c = normal_i2c,
- .normal_i2c_range = normal_i2c_range,
- .probe = probe,
- .probe_range = probe_range,
- .ignore = ignore,
- .ignore_range = ignore_range,
- .force = force
+ .probe = &ignore,
+ .ignore = &ignore,
};
-static int saa7111_i2c_id = 0;
static struct i2c_driver i2c_driver_saa7111;
static int
int i;
struct i2c_client *client;
struct saa7111 *decoder;
+ struct video_decoder_init vdi;
dprintk(1,
KERN_INFO
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return 0;
- client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (client == 0)
return -ENOMEM;
- memset(client, 0, sizeof(struct i2c_client));
client->addr = address;
client->adapter = adapter;
client->driver = &i2c_driver_saa7111;
- client->flags = I2C_CLIENT_ALLOW_USE;
- client->id = saa7111_i2c_id++;
- snprintf(I2C_NAME(client), sizeof(I2C_NAME(client)) - 1,
- "saa7111[%d]", client->id);
+ strlcpy(I2C_NAME(client), "saa7111", sizeof(I2C_NAME(client)));
- decoder = kmalloc(sizeof(struct saa7111), GFP_KERNEL);
+ decoder = kzalloc(sizeof(struct saa7111), GFP_KERNEL);
if (decoder == NULL) {
kfree(client);
return -ENOMEM;
}
- memset(decoder, 0, sizeof(struct saa7111));
decoder->norm = VIDEO_MODE_NTSC;
decoder->input = 0;
decoder->enable = 1;
return i;
}
- i = saa7111_write_block(client, init, sizeof(init));
+ vdi.data = saa7111_i2c_init;
+ vdi.len = sizeof(saa7111_i2c_init);
+ i = saa7111_init_decoder(client, &vdi);
if (i < 0) {
dprintk(1, KERN_ERR "%s_attach error: init status %d\n",
I2C_NAME(client), i);
/* ----------------------------------------------------------------------- */
static struct i2c_driver i2c_driver_saa7111 = {
- .owner = THIS_MODULE,
- .name = "saa7111",
+ .driver = {
+ .name = "saa7111",
+ },
.id = I2C_DRIVERID_SAA7111A,
- .flags = I2C_DF_NOTIFY,
.attach_adapter = saa7111_attach_adapter,
.detach_client = saa7111_detach_client,
git://git.onelab.eu / linux-2.6.git / blobdiff