*/
#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
#include <linux/types.h>
-#include <linux/i2c.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
+#include <linux/ioctl.h>
#include <asm/uaccess.h>
-
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
#include <linux/videodev.h>
#include <linux/video_encoder.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
MODULE_DESCRIPTION("Analog Devices ADV7170 video encoder driver");
MODULE_AUTHOR("Maxim Yevtyushkin");
MODULE_LICENSE("GPL");
-
-#define I2C_NAME(x) (x)->name
-
-
static int debug;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
-#define dprintk(num, format, args...) \
- do { \
- if (debug >= num) \
- printk(format, ##args); \
- } while (0)
-
/* ----------------------------------------------------------------------- */
struct adv7170 {
int sat;
};
-#define I2C_ADV7170 0xd4
-#define I2C_ADV7171 0x54
-
-static char adv7170_name[] = "adv7170";
-static char adv7171_name[] = "adv7171";
-
static char *inputs[] = { "pass_through", "play_back" };
static char *norms[] = { "PAL", "NTSC" };
/* ----------------------------------------------------------------------- */
-static inline int
-adv7170_write (struct i2c_client *client,
- u8 reg,
- u8 value)
+static inline int adv7170_write(struct i2c_client *client, u8 reg, u8 value)
{
struct adv7170 *encoder = i2c_get_clientdata(client);
return i2c_smbus_write_byte_data(client, reg, value);
}
-static inline int
-adv7170_read (struct i2c_client *client,
- u8 reg)
+static inline int adv7170_read(struct i2c_client *client, u8 reg)
{
return i2c_smbus_read_byte_data(client, reg);
}
-static int
-adv7170_write_block (struct i2c_client *client,
- const u8 *data,
- unsigned int len)
+static int adv7170_write_block(struct i2c_client *client,
+ const u8 *data, unsigned int len)
{
int ret = -1;
u8 reg;
encoder->reg[reg++] = data[1];
len -= 2;
data += 2;
- } while (len >= 2 && data[0] == reg &&
- block_len < 32);
- if ((ret = i2c_master_send(client, block_data,
- block_len)) < 0)
+ } while (len >= 2 && data[0] == reg && block_len < 32);
+ ret = i2c_master_send(client, block_data, block_len);
+ if (ret < 0)
break;
}
} else {
/* do some slow I2C emulation kind of thing */
while (len >= 2) {
reg = *data++;
- if ((ret = adv7170_write(client, reg,
- *data++)) < 0)
+ ret = adv7170_write(client, reg, *data++);
+ if (ret < 0)
break;
len -= 2;
}
}
-
return ret;
}
/* ----------------------------------------------------------------------- */
-// Output filter: S-Video Composite
-
-#define MR050 0x11 //0x09
-#define MR060 0x14 //0x0c
-
-//---------------------------------------------------------------------------
#define TR0MODE 0x4c
#define TR0RST 0x80
#define TR1CAPT 0x00
#define TR1PLAY 0x00
-
static const unsigned char init_NTSC[] = {
0x00, 0x10, // MR0
0x01, 0x20, // MR1
};
-static int
-adv7170_command (struct i2c_client *client,
- unsigned int cmd,
- void * arg)
+static int adv7170_command(struct i2c_client *client, unsigned cmd, void *arg)
{
struct adv7170 *encoder = i2c_get_clientdata(client);
switch (cmd) {
-
case 0:
#if 0
/* This is just for testing!!! */
VIDEO_ENCODER_NTSC;
cap->inputs = 2;
cap->outputs = 1;
- }
break;
+ }
case ENCODER_SET_NORM:
{
int iarg = *(int *) arg;
- dprintk(1, KERN_DEBUG "%s_command: set norm %d",
- I2C_NAME(client), iarg);
+ v4l_dbg(1, debug, client, "set norm %d\n", iarg);
switch (iarg) {
-
case VIDEO_MODE_NTSC:
adv7170_write_block(client, init_NTSC,
sizeof(init_NTSC));
break;
default:
- dprintk(1, KERN_ERR "%s: illegal norm: %d\n",
- I2C_NAME(client), iarg);
+ v4l_dbg(1, debug, client, "illegal norm: %d\n", iarg);
return -EINVAL;
-
}
- dprintk(1, KERN_DEBUG "%s: switched to %s\n", I2C_NAME(client),
- norms[iarg]);
+ v4l_dbg(1, debug, client, "switched to %s\n", norms[iarg]);
encoder->norm = iarg;
- }
break;
+ }
case ENCODER_SET_INPUT:
{
*iarg = 1: input is from ZR36060
*iarg = 2: color bar */
- dprintk(1, KERN_DEBUG "%s_command: set input from %s\n",
- I2C_NAME(client),
+ v4l_dbg(1, debug, client, "set input from %s\n",
iarg == 0 ? "decoder" : "ZR36060");
switch (iarg) {
-
case 0:
adv7170_write(client, 0x01, 0x20);
adv7170_write(client, 0x08, TR1CAPT); /* TR1 */
adv7170_write(client, 0x02, 0x0e); // Enable genlock
adv7170_write(client, 0x07, TR0MODE | TR0RST);
adv7170_write(client, 0x07, TR0MODE);
- //udelay(10);
+ /* udelay(10); */
break;
case 1:
adv7170_write(client, 0x02, 0x08);
adv7170_write(client, 0x07, TR0MODE | TR0RST);
adv7170_write(client, 0x07, TR0MODE);
- //udelay(10);
+ /* udelay(10); */
break;
default:
- dprintk(1, KERN_ERR "%s: illegal input: %d\n",
- I2C_NAME(client), iarg);
+ v4l_dbg(1, debug, client, "illegal input: %d\n", iarg);
return -EINVAL;
-
}
- dprintk(1, KERN_DEBUG "%s: switched to %s\n", I2C_NAME(client),
- inputs[iarg]);
+ v4l_dbg(1, debug, client, "switched to %s\n", inputs[iarg]);
encoder->input = iarg;
- }
break;
+ }
case ENCODER_SET_OUTPUT:
{
if (*iarg != 0) {
return -EINVAL;
}
- }
break;
+ }
case ENCODER_ENABLE_OUTPUT:
{
int *iarg = arg;
encoder->enable = !!*iarg;
- }
break;
+ }
default:
return -EINVAL;
/* ----------------------------------------------------------------------- */
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] =
- { I2C_ADV7170 >> 1, (I2C_ADV7170 >> 1) + 1,
- I2C_ADV7171 >> 1, (I2C_ADV7171 >> 1) + 1,
+static unsigned short normal_i2c[] = {
+ 0xd4 >> 1, 0xd6 >> 1, /* adv7170 IDs */
+ 0x54 >> 1, 0x56 >> 1, /* adv7171 IDs */
I2C_CLIENT_END
};
-static unsigned short ignore = I2C_CLIENT_END;
+I2C_CLIENT_INSMOD;
-static struct i2c_client_address_data addr_data = {
- .normal_i2c = normal_i2c,
- .probe = &ignore,
- .ignore = &ignore,
-};
-
-static struct i2c_driver i2c_driver_adv7170;
-
-static int
-adv7170_detect_client (struct i2c_adapter *adapter,
- int address,
- int kind)
+static int adv7170_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
- int i;
- struct i2c_client *client;
struct adv7170 *encoder;
- char *dname;
-
- dprintk(1,
- KERN_INFO
- "adv7170.c: detecting adv7170 client on address 0x%x\n",
- address << 1);
+ int i;
/* Check if the adapter supports the needed features */
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return 0;
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -ENODEV;
- client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (!client)
- return -ENOMEM;
- client->addr = address;
- client->adapter = adapter;
- client->driver = &i2c_driver_adv7170;
- if ((client->addr == I2C_ADV7170 >> 1) ||
- (client->addr == (I2C_ADV7170 >> 1) + 1)) {
- dname = adv7170_name;
- } else if ((client->addr == I2C_ADV7171 >> 1) ||
- (client->addr == (I2C_ADV7171 >> 1) + 1)) {
- dname = adv7171_name;
- } else {
- /* We should never get here!!! */
- kfree(client);
- return 0;
- }
- strlcpy(I2C_NAME(client), dname, sizeof(I2C_NAME(client)));
+ v4l_info(client, "chip found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
encoder = kzalloc(sizeof(struct adv7170), GFP_KERNEL);
- if (encoder == NULL) {
- kfree(client);
+ if (encoder == NULL)
return -ENOMEM;
- }
encoder->norm = VIDEO_MODE_NTSC;
encoder->input = 0;
encoder->enable = 1;
i2c_set_clientdata(client, encoder);
- i = i2c_attach_client(client);
- if (i) {
- kfree(client);
- kfree(encoder);
- return i;
- }
-
i = adv7170_write_block(client, init_NTSC, sizeof(init_NTSC));
if (i >= 0) {
i = adv7170_write(client, 0x07, TR0MODE | TR0RST);
i = adv7170_write(client, 0x07, TR0MODE);
i = adv7170_read(client, 0x12);
- dprintk(1, KERN_INFO "%s_attach: rev. %d at 0x%02x\n",
- I2C_NAME(client), i & 1, client->addr << 1);
- }
- if (i < 0) {
- dprintk(1, KERN_ERR "%s_attach: init error 0x%x\n",
- I2C_NAME(client), i);
+ v4l_dbg(1, debug, client, "revision %d\n", i & 1);
}
-
+ if (i < 0)
+ v4l_dbg(1, debug, client, "init error 0x%x\n", i);
return 0;
}
-static int
-adv7170_attach_adapter (struct i2c_adapter *adapter)
-{
- dprintk(1,
- KERN_INFO
- "adv7170.c: starting probe for adapter %s (0x%x)\n",
- I2C_NAME(adapter), adapter->id);
- return i2c_probe(adapter, &addr_data, &adv7170_detect_client);
-}
-
-static int
-adv7170_detach_client (struct i2c_client *client)
+static int adv7170_remove(struct i2c_client *client)
{
- struct adv7170 *encoder = i2c_get_clientdata(client);
- int err;
-
- err = i2c_detach_client(client);
- if (err) {
- return err;
- }
-
- kfree(encoder);
- kfree(client);
-
+ kfree(i2c_get_clientdata(client));
return 0;
}
/* ----------------------------------------------------------------------- */
-static struct i2c_driver i2c_driver_adv7170 = {
- .driver = {
- .name = "adv7170", /* name */
- },
-
- .id = I2C_DRIVERID_ADV7170,
+static const struct i2c_device_id adv7170_id[] = {
+ { "adv7170", 0 },
+ { "adv7171", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, adv7170_id);
- .attach_adapter = adv7170_attach_adapter,
- .detach_client = adv7170_detach_client,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "adv7170",
+ .driverid = I2C_DRIVERID_ADV7170,
.command = adv7170_command,
+ .probe = adv7170_probe,
+ .remove = adv7170_remove,
+ .id_table = adv7170_id,
};
-
-static int __init
-adv7170_init (void)
-{
- return i2c_add_driver(&i2c_driver_adv7170);
-}
-
-static void __exit
-adv7170_exit (void)
-{
- i2c_del_driver(&i2c_driver_adv7170);
-}
-
-module_init(adv7170_init);
-module_exit(adv7170_exit);
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff