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Subject[PATCH] 2.5.32 (repost) : [i2c] drivers/media/video/saa7110.c
Linus,
Here's the saa7110.c i2c-old --> i2c patch. Please review for inclusion.

Regards,
Frank

--- drivers/media/video/saa7110.c.old Fri Jun 28 10:22:52 2002
+++ drivers/media/video/saa7110.c Thu Jul 4 16:51:08 2002
@@ -26,7 +26,7 @@
#include <asm/io.h>
#include <asm/uaccess.h>

-#include <linux/i2c-old.h>
+#include <linux/i2c.h>
#include <linux/videodev.h>
#include "linux/video_decoder.h"

@@ -37,13 +37,31 @@

#define I2C_SAA7110 0x9C /* or 0x9E */

+#define IF_NAME "saa7110"
#define I2C_DELAY 10 /* 10 us or 100khz */

+static unsigned short normal_i2c[] = {34>>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 struct i2c_client_address_data addr_data = {
+ normal_i2c, normal_i2c_range,
+ probe, probe_range,
+ ignore, ignore_range,
+ force
+};
+
+static struct i2c_client client_template;
+
struct saa7110 {
- struct i2c_bus *bus;
+ struct i2c_client *client;
int addr;
unsigned char reg[36];
-
+ struct semaphore lock;
int norm;
int input;
int enable;
@@ -54,67 +72,10 @@
};

/* ----------------------------------------------------------------------- */
-/* I2C support functions */
-/* ----------------------------------------------------------------------- */
-static
-int saa7110_write(struct saa7110 *decoder, unsigned char subaddr, unsigned char data)
-{
- int ack;
-
- LOCK_I2C_BUS(decoder->bus);
- i2c_start(decoder->bus);
- i2c_sendbyte(decoder->bus, decoder->addr, I2C_DELAY);
- i2c_sendbyte(decoder->bus, subaddr, I2C_DELAY);
- ack = i2c_sendbyte(decoder->bus, data, I2C_DELAY);
- i2c_stop(decoder->bus);
- decoder->reg[subaddr] = data;
- UNLOCK_I2C_BUS(decoder->bus);
- return ack;
-}
-
-static
-int saa7110_write_block(struct saa7110* decoder, unsigned const char *data, unsigned int len)
-{
- unsigned subaddr = *data;
-
- LOCK_I2C_BUS(decoder->bus);
- i2c_start(decoder->bus);
- i2c_sendbyte(decoder->bus,decoder->addr,I2C_DELAY);
- while (len-- > 0) {
- if (i2c_sendbyte(decoder->bus,*data,0)) {
- i2c_stop(decoder->bus);
- UNLOCK_I2C_BUS(decoder->bus);
- return -EAGAIN;
- }
- decoder->reg[subaddr++] = *data++;
- }
- i2c_stop(decoder->bus);
- UNLOCK_I2C_BUS(decoder->bus);
-
- return 0;
-}
-
-static
-int saa7110_read(struct saa7110* decoder)
-{
- int data;
-
- LOCK_I2C_BUS(decoder->bus);
- i2c_start(decoder->bus);
- i2c_sendbyte(decoder->bus, decoder->addr, I2C_DELAY);
- i2c_start(decoder->bus);
- i2c_sendbyte(decoder->bus, decoder->addr | 1, I2C_DELAY);
- data = i2c_readbyte(decoder->bus, 1);
- i2c_stop(decoder->bus);
- UNLOCK_I2C_BUS(decoder->bus);
- return data;
-}
-
-/* ----------------------------------------------------------------------- */
/* SAA7110 functions */
/* ----------------------------------------------------------------------- */
static
-int saa7110_selmux(struct i2c_device *device, int chan)
+int saa7110_selmux(struct i2c_client *client, int chan)
{
static const unsigned char modes[9][8] = {
/* mode 0 */ { 0x00, 0xD9, 0x17, 0x40, 0x03, 0x44, 0x75, 0x16 },
@@ -126,61 +87,59 @@
/* mode 6 */ { 0x80, 0x59, 0x17, 0x42, 0xA3, 0x44, 0x75, 0x12 },
/* mode 7 */ { 0x80, 0x9A, 0x17, 0xB1, 0x13, 0x60, 0xB5, 0x14 },
/* mode 8 */ { 0x80, 0x3C, 0x27, 0xC1, 0x23, 0x44, 0x75, 0x21 } };
- struct saa7110* decoder = device->data;
const unsigned char* ptr = modes[chan];

- saa7110_write(decoder,0x06,ptr[0]); /* Luminance control */
- saa7110_write(decoder,0x20,ptr[1]); /* Analog Control #1 */
- saa7110_write(decoder,0x21,ptr[2]); /* Analog Control #2 */
- saa7110_write(decoder,0x22,ptr[3]); /* Mixer Control #1 */
- saa7110_write(decoder,0x2C,ptr[4]); /* Mixer Control #2 */
- saa7110_write(decoder,0x30,ptr[5]); /* ADCs gain control */
- saa7110_write(decoder,0x31,ptr[6]); /* Mixer Control #3 */
- saa7110_write(decoder,0x21,ptr[7]); /* Analog Control #2 */
+ i2c_smbus_write_byte_data(client,0x06,ptr[0]); /* Luminance control */
+ i2c_smbus_write_byte_data(client,0x20,ptr[1]); /* Analog Control #1 */
+ i2c_smbus_write_byte_data(client,0x21,ptr[2]); /* Analog Control #2 */
+ i2c_smbus_write_byte_data(client,0x22,ptr[3]); /* Mixer Control #1 */
+ i2c_smbus_write_byte_data(client,0x2C,ptr[4]); /* Mixer Control #2 */
+ i2c_smbus_write_byte_data(client,0x30,ptr[5]); /* ADCs gain control */
+ i2c_smbus_write_byte_data(client,0x31,ptr[6]); /* Mixer Control #3 */
+ i2c_smbus_write_byte_data(client,0x21,ptr[7]); /* Analog Control #2 */

return 0;
}

static
-int determine_norm(struct i2c_device* dev)
+int determine_norm(struct i2c_client* client)
{
- struct saa7110* decoder = dev->data;
int status;

/* mode changed, start automatic detection */
- status = saa7110_read(decoder);
+ status = i2c_smbus_read_byte(client);
if ((status & 3) == 0) {
- saa7110_write(decoder,0x06,0x80);
+ i2c_smbus_write_byte_data(client,0x06,0x80);
if (status & 0x20) {
- DEBUG(printk(KERN_INFO "%s: norm=bw60\n",dev->name));
- saa7110_write(decoder,0x2E,0x81);
+ DEBUG(printk(KERN_INFO "%s: norm=bw60\n",adp->name));
+ i2c_smbus_write_byte_data(client,0x2E,0x81);
return VIDEO_MODE_NTSC;
}
- DEBUG(printk(KERN_INFO "%s: norm=bw50\n",dev->name));
- saa7110_write(decoder,0x2E,0x9A);
+ DEBUG(printk(KERN_INFO "%s: norm=bw50\n",adp->name));
+ i2c_smbus_write_byte_data(client,0x2E,0x9A);
return VIDEO_MODE_PAL;
}

- saa7110_write(decoder,0x06,0x00);
+ i2c_smbus_write_byte_data(client,0x06,0x00);
if (status & 0x20) { /* 60Hz */
- DEBUG(printk(KERN_INFO "%s: norm=ntsc\n",dev->name));
- saa7110_write(decoder,0x0D,0x06);
- saa7110_write(decoder,0x11,0x2C);
- saa7110_write(decoder,0x2E,0x81);
+ DEBUG(printk(KERN_INFO "%s: norm=ntsc\n",adp->name));
+ i2c_smbus_write_byte_data(client,0x0D,0x06);
+ i2c_smbus_write_byte_data(client,0x11,0x2C);
+ i2c_smbus_write_byte_data(client,0x2E,0x81);
return VIDEO_MODE_NTSC;
}

/* 50Hz -> PAL/SECAM */
- saa7110_write(decoder,0x0D,0x06);
- saa7110_write(decoder,0x11,0x59);
- saa7110_write(decoder,0x2E,0x9A);
+ i2c_smbus_write_byte_data(client,0x0D,0x06);
+ i2c_smbus_write_byte_data(client,0x11,0x59);
+ i2c_smbus_write_byte_data(client,0x2E,0x9A);

mdelay(150); /* pause 150 ms */

- status = saa7110_read(decoder);
+ status = i2c_smbus_read_byte(client);
if ((status & 0x03) == 0x01) {
DEBUG(printk(KERN_INFO "%s: norm=secam\n",dev->name));
- saa7110_write(decoder,0x0D,0x07);
+ i2c_smbus_write_byte_data(client,0x0D,0x07);
return VIDEO_MODE_SECAM;
}
DEBUG(printk(KERN_INFO "%s: norm=pal\n",dev->name));
@@ -188,7 +147,7 @@
}

static
-int saa7110_attach(struct i2c_device *device)
+int saa7110_attach(struct i2c_adapter *adap, int addr, unsigned short flags, int kind)
{
static const unsigned char initseq[] = {
0, 0x4C, 0x3C, 0x0D, 0xEF, 0xBD, 0xF0, 0x00, 0x00,
@@ -198,20 +157,28 @@
0xD9, 0x17, 0x40, 0x41, 0x80, 0x41, 0x80, 0x4F,
0xFE, 0x01, 0xCF, 0x0F, 0x03, 0x01, 0x81, 0x03,
0x40, 0x75, 0x01, 0x8C, 0x03};
- struct saa7110* decoder;
+ struct saa7110 *decoder;
+ struct i2c_client *client;
int rv;
-
- device->data = decoder = kmalloc(sizeof(struct saa7110), GFP_KERNEL);
- if (device->data == 0)
+ client=kmalloc(sizeof(*client), GFP_KERNEL);
+ if(client == NULL)
return -ENOMEM;
-
- MOD_INC_USE_COUNT;
+ client_template.adapter = adap;
+ client_template.addr = addr;
+ memcpy(client, &client_template, sizeof(*client));
+
+ decoder = kmalloc(sizeof(*decoder), GFP_KERNEL);
+ if (decoder == NULL) {
+ kfree(client);
+ return -ENOMEM;
+ }

/* clear our private data */
- memset(decoder, 0, sizeof(struct saa7110));
- strcpy(device->name, "saa7110");
- decoder->bus = device->bus;
- decoder->addr = device->addr;
+ memset(decoder, 0, sizeof(*decoder));
+ strcpy(client->name, IF_NAME);
+ decoder->client = client;
+ client->data = decoder;
+ decoder->addr = addr;
decoder->norm = VIDEO_MODE_PAL;
decoder->input = 0;
decoder->enable = 1;
@@ -220,40 +187,52 @@
decoder->hue = 32768;
decoder->sat = 32768;

- rv = saa7110_write_block(decoder, initseq, sizeof(initseq));
+ rv = i2c_master_send(client, initseq, sizeof(initseq));
if (rv < 0)
- printk(KERN_ERR "%s_attach: init status %d\n", device->name, rv);
+ printk(KERN_ERR "%s_attach: init status %d\n", client->name, rv);
else {
- saa7110_write(decoder,0x21,0x16);
- saa7110_write(decoder,0x0D,0x04);
- DEBUG(printk(KERN_INFO "%s_attach: chip version %x\n", device->name, saa7110_read(decoder)));
- saa7110_write(decoder,0x0D,0x06);
+ i2c_smbus_write_byte_data(client,0x21,0x16);
+ i2c_smbus_write_byte_data(client,0x0D,0x04);
+ DEBUG(printk(KERN_INFO "%s_attach: chip version %x\n", client->name, i2c_smbus_read_byte(client)));
+ i2c_smbus_write_byte_data(client,0x0D,0x06);
}

+ init_MUTEX(&decoder->lock);
+ i2c_attach_client(client);
+ MOD_INC_USE_COUNT;
/* setup and implicit mode 0 select has been performed */
return 0;
}

+static
+int saa7110_probe(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, saa7110_attach);
+}
+
static
-int saa7110_detach(struct i2c_device *device)
+int saa7110_detach(struct i2c_client *client)
{
- struct saa7110* decoder = device->data;
+ struct saa7110* decoder = client->data;

- DEBUG(printk(KERN_INFO "%s_detach\n",device->name));
+ i2c_detach_client(client);
+
+ DEBUG(printk(KERN_INFO "%s_detach\n",client->name));

/* stop further output */
- saa7110_write(decoder,0x0E,0x00);
+ i2c_smbus_write_byte_data(client,0x0E,0x00);

- kfree(device->data);
+ kfree(decoder);
+ kfree(client);

MOD_DEC_USE_COUNT;
return 0;
}

static
-int saa7110_command(struct i2c_device *device, unsigned int cmd, void *arg)
+int saa7110_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
- struct saa7110* decoder = device->data;
+ struct saa7110* decoder = client->data;
int v;

switch (cmd) {
@@ -272,11 +251,11 @@

case DECODER_GET_STATUS:
{
- struct saa7110* decoder = device->data;
+ struct saa7110* decoder = client->data;
int status;
int res = 0;

- status = i2c_read(device->bus,device->addr|1);
+ status = i2c_smbus_read_byte(client);
if (status & 0x40)
res |= DECODER_STATUS_GOOD;
if (status & 0x03)
@@ -301,26 +280,26 @@
v = *(int*)arg;
if (decoder->norm != v) {
decoder->norm = v;
- saa7110_write(decoder, 0x06, 0x00);
+ i2c_smbus_write_byte_data(client, 0x06, 0x00);
switch (v) {
case VIDEO_MODE_NTSC:
- saa7110_write(decoder, 0x0D, 0x06);
- saa7110_write(decoder, 0x11, 0x2C);
- saa7110_write(decoder, 0x30, 0x81);
- saa7110_write(decoder, 0x2A, 0xDF);
+ i2c_smbus_write_byte_data(client, 0x0D, 0x06);
+ i2c_smbus_write_byte_data(client, 0x11, 0x2C);
+ i2c_smbus_write_byte_data(client, 0x30, 0x81);
+ i2c_smbus_write_byte_data(client, 0x2A, 0xDF);
break;
case VIDEO_MODE_PAL:
- saa7110_write(decoder, 0x0D, 0x06);
- saa7110_write(decoder, 0x11, 0x59);
- saa7110_write(decoder, 0x2E, 0x9A);
+ i2c_smbus_write_byte_data(client, 0x0D, 0x06);
+ i2c_smbus_write_byte_data(client, 0x11, 0x59);
+ i2c_smbus_write_byte_data(client, 0x2E, 0x9A);
break;
case VIDEO_MODE_SECAM:
- saa7110_write(decoder, 0x0D, 0x07);
- saa7110_write(decoder, 0x11, 0x59);
- saa7110_write(decoder, 0x2E, 0x9A);
+ i2c_smbus_write_byte_data(client, 0x0D, 0x07);
+ i2c_smbus_write_byte_data(client, 0x11, 0x59);
+ i2c_smbus_write_byte_data(client, 0x2E, 0x9A);
break;
case VIDEO_MODE_AUTO:
- *(int*)arg = determine_norm(device);
+ *(int*)arg = determine_norm(client);
break;
default:
return -EPERM;
@@ -334,7 +313,7 @@
return -EINVAL;
if (decoder->input != v) {
decoder->input = v;
- saa7110_selmux(device, v);
+ saa7110_selmux(client, v);
}
break;

@@ -349,7 +328,7 @@
v = *(int*)arg;
if (decoder->enable != v) {
decoder->enable = v;
- saa7110_write(decoder,0x0E, v ? 0x18 : 0x00);
+ i2c_smbus_write_byte_data(client,0x0E, v ? 0x18 : 0x00);
}
break;

@@ -360,22 +339,22 @@
if (decoder->bright != pic->brightness) {
/* We want 0 to 255 we get 0-65535 */
decoder->bright = pic->brightness;
- saa7110_write(decoder, 0x19, decoder->bright >> 8);
+ i2c_smbus_write_byte_data(client, 0x19, decoder->bright >> 8);
}
if (decoder->contrast != pic->contrast) {
/* We want 0 to 127 we get 0-65535 */
decoder->contrast = pic->contrast;
- saa7110_write(decoder, 0x13, decoder->contrast >> 9);
+ i2c_smbus_write_byte_data(client, 0x13, decoder->contrast >> 9);
}
if (decoder->sat != pic->colour) {
/* We want 0 to 127 we get 0-65535 */
decoder->sat = pic->colour;
- saa7110_write(decoder, 0x12, decoder->sat >> 9);
+ i2c_smbus_write_byte_data(client, 0x12, decoder->sat >> 9);
}
if (decoder->hue != pic->hue) {
/* We want -128 to 127 we get 0-65535 */
decoder->hue = pic->hue;
- saa7110_write(decoder, 0x07, (decoder->hue>>8)-128);
+ i2c_smbus_write_byte_data(client, 0x07, (decoder->hue>>8)-128);
}
}
break;
@@ -383,7 +362,7 @@
case DECODER_DUMP:
for (v=0; v<34; v+=16) {
int j;
- DEBUG(printk(KERN_INFO "%s: %03x\n",device->name,v));
+ DEBUG(printk(KERN_INFO "%s: %03x\n",client->name,v));
for (j=0; j<16; j++) {
DEBUG(printk(KERN_INFO " %02x",decoder->reg[v+j]));
}
@@ -402,24 +381,30 @@

static struct i2c_driver i2c_driver_saa7110 =
{
- "saa7110", /* name */
-
- I2C_DRIVERID_VIDEODECODER, /* in i2c.h */
- I2C_SAA7110, I2C_SAA7110+1, /* Addr range */
-
- saa7110_attach,
+ IF_NAME, /* name */
+ I2C_DRIVERID_SAA7110, /* in i2c.h */
+ I2C_DF_NOTIFY, /* Addr range */
+ saa7110_probe,
saa7110_detach,
saa7110_command
};
+static struct i2c_client client_template = {
+ "saa7110_client",
+ -1,
+ 0,
+ 0,
+ NULL,
+ &i2c_driver_saa7110
+};

static int saa7110_init(void)
{
- return i2c_register_driver(&i2c_driver_saa7110);
+ return i2c_add_driver(&i2c_driver_saa7110);
}

static void saa7110_exit(void)
{
- i2c_unregister_driver(&i2c_driver_saa7110);
+ i2c_del_driver(&i2c_driver_saa7110);
}




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