-/*
+/*
* vpx3220a, vpx3216b & vpx3214c video decoder driver version 0.0.1
*
* Copyright (C) 2001 Laurent Pinchart <lpinchart@freegates.be>
#include <asm/uaccess.h>
#include <linux/i2c.h>
-#include <linux/i2c-dev.h>
#define I2C_NAME(x) (x)->name
#include <linux/videodev.h>
+#include <media/v4l2-common.h>
#include <linux/video_decoder.h>
#define I2C_VPX3220 0x86
static int
vpx3220_write_fp_block (struct i2c_client *client,
- const u16 *data,
- unsigned int len)
+ const u16 *data,
+ unsigned int len)
{
u8 reg;
int ret = 0;
0x8c, 640, /* Horizontal length */
0x8d, 640, /* Number of pixels */
0x8f, 0xc00, /* Disable window 2 */
- 0xf0, 0x173, /* 13.5 MHz transport, Forced
+ 0xf0, 0x73, /* 13.5 MHz transport, Forced
* mode, latch windows */
0xf2, 0x13, /* NTSC M, composite input */
0xe7, 0x1e1, /* Enable vertical standard
static const unsigned short init_pal[] = {
0x88, 23, /* Window 1 vertical begin */
- 0x89, 288 + 16, /* Vertical lines in (16 lines
+ 0x89, 288, /* Vertical lines in (16 lines
* skipped by the VFE) */
- 0x8a, 288 + 16, /* Vertical lines out (16 lines
+ 0x8a, 288, /* Vertical lines out (16 lines
* skipped by the VFE) */
0x8b, 16, /* Horizontal begin */
0x8c, 768, /* Horizontal length */
0x8d, 784, /* Number of pixels
* Must be >= Horizontal begin + Horizontal length */
0x8f, 0xc00, /* Disable window 2 */
- 0xf0, 0x177, /* 13.5 MHz transport, Forced
+ 0xf0, 0x77, /* 13.5 MHz transport, Forced
* mode, latch windows */
0xf2, 0x3d1, /* PAL B,G,H,I, composite input */
- 0xe7, 0x261, /* PAL/SECAM set to 288 + 16 lines
- * change to 0x241 for 288 lines */
+ 0xe7, 0x241, /* PAL/SECAM set to 288 lines */
};
static const unsigned short init_secam[] = {
- 0x88, 23 - 16, /* Window 1 vertical begin */
- 0x89, 288 + 16, /* Vertical lines in (16 lines
+ 0x88, 23, /* Window 1 vertical begin */
+ 0x89, 288, /* Vertical lines in (16 lines
* skipped by the VFE) */
- 0x8a, 288 + 16, /* Vertical lines out (16 lines
+ 0x8a, 288, /* Vertical lines out (16 lines
* skipped by the VFE) */
0x8b, 16, /* Horizontal begin */
0x8c, 768, /* Horizontal length */
0x8d, 784, /* Number of pixels
* Must be >= Horizontal begin + Horizontal length */
0x8f, 0xc00, /* Disable window 2 */
- 0xf0, 0x177, /* 13.5 MHz transport, Forced
+ 0xf0, 0x77, /* 13.5 MHz transport, Forced
* mode, latch windows */
0xf2, 0x3d5, /* SECAM, composite input */
- 0xe7, 0x261, /* PAL/SECAM set to 288 + 16 lines
- * change to 0x241 for 288 lines */
+ 0xe7, 0x241, /* PAL/SECAM set to 288 lines */
};
static const unsigned char init_common[] = {
vpx3220_write_fp_block(client, init_fp,
sizeof(init_fp) >> 1);
switch (decoder->norm) {
-
+
case VIDEO_MODE_NTSC:
vpx3220_write_fp_block(client, init_ntsc,
sizeof(init_ntsc) >> 1);
case VIDEO_MODE_PAL:
vpx3220_write_fp_block(client, init_pal,
- sizeof(init_pal) >> 1);
+ sizeof(init_pal) >> 1);
break;
case VIDEO_MODE_SECAM:
vpx3220_write_fp_block(client, init_secam,
break;
default:
vpx3220_write_fp_block(client, init_pal,
- sizeof(init_pal) >> 1);
+ sizeof(init_pal) >> 1);
break;
}
- }
+ }
break;
case DECODER_DUMP:
case DECODER_SET_NORM:
{
int *iarg = arg, data;
+ int temp_input;
+
+ /* Here we back up the input selection because it gets
+ overwritten when we fill the registers with the
+ choosen video norm */
+ temp_input = vpx3220_fp_read(client, 0xf2);
dprintk(1, KERN_DEBUG "%s: DECODER_SET_NORM %d\n",
I2C_NAME(client), *iarg);
}
decoder->norm = *iarg;
+
+ /* And here we set the backed up video input again */
+ vpx3220_fp_write(client, 0xf2, temp_input | 0x0010);
+ udelay(10);
}
break;
{ I2C_VPX3220 >> 1, (I2C_VPX3220 >> 1) + 4,
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 vpx3220_i2c_id = 0;
static struct i2c_driver vpx3220_i2c_driver;
static int
(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
return 0;
- client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (client == NULL) {
return -ENOMEM;
}
- memset(client, 0, sizeof(struct i2c_client));
-
client->addr = address;
client->adapter = adapter;
client->driver = &vpx3220_i2c_driver;
- client->flags = I2C_CLIENT_ALLOW_USE;
- client->id = vpx3220_i2c_id++;
/* Check for manufacture ID and part number */
if (kind < 0) {
vpx3220_read(client, 0x01);
switch (pn) {
case 0x4680:
- snprintf(I2C_NAME(client), sizeof(I2C_NAME(client)) - 1,
- "vpx3220a[%d]", client->id);
+ strlcpy(I2C_NAME(client), "vpx3220a",
+ sizeof(I2C_NAME(client)));
break;
case 0x4260:
- snprintf(I2C_NAME(client), sizeof(I2C_NAME(client)) - 1,
- "vpx3216b[%d]", client->id);
+ strlcpy(I2C_NAME(client), "vpx3216b",
+ sizeof(I2C_NAME(client)));
break;
case 0x4280:
- snprintf(I2C_NAME(client), sizeof(I2C_NAME(client)) - 1,
- "vpx3214c[%d]", client->id);
+ strlcpy(I2C_NAME(client), "vpx3214c",
+ sizeof(I2C_NAME(client)));
break;
default:
dprintk(1,
- KERN_INFO
+ KERN_INFO
"%s: Wrong part number (0x%04x)\n",
__func__, pn);
kfree(client);
return 0;
}
} else {
- snprintf(I2C_NAME(client), sizeof(I2C_NAME(client)) - 1,
- "forced vpx32xx[%d]",
- client->id);
+ strlcpy(I2C_NAME(client), "forced vpx32xx",
+ sizeof(I2C_NAME(client)));
}
- decoder = kmalloc(sizeof(struct vpx3220), GFP_KERNEL);
+ decoder = kzalloc(sizeof(struct vpx3220), GFP_KERNEL);
if (decoder == NULL) {
kfree(client);
return -ENOMEM;
}
- memset(decoder, 0, sizeof(struct vpx3220));
decoder->norm = VIDEO_MODE_PAL;
decoder->input = 0;
decoder->enable = 1;
*/
static struct i2c_driver vpx3220_i2c_driver = {
- .owner = THIS_MODULE,
- .name = "vpx3220",
+ .driver = {
+ .name = "vpx3220",
+ },
.id = I2C_DRIVERID_VPX3220,
- .flags = I2C_DF_NOTIFY,
.attach_adapter = vpx3220_attach_adapter,
.detach_client = vpx3220_detach_client,
module_init(vpx3220_init);
module_exit(vpx3220_cleanup);
-MODULE_DESCRIPTION("vpx3220a/vpx3216b/vpx3214c video encoder driver");
+MODULE_DESCRIPTION("vpx3220a/vpx3216b/vpx3214c video decoder driver");
MODULE_AUTHOR("Laurent Pinchart");
MODULE_LICENSE("GPL");