File: [Development] / linux-2.6-xfs / drivers / media / video / bt866.c (download)
Revision 1.4, Wed Sep 12 17:09:56 2007 UTC (10 years, 1 month ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.3: +1 -1
lines
Update 2.6.x-xfs to 2.6.23-rc4.
Also update fs/xfs with external mainline changes.
There were 12 such missing commits that I detected:
--------
commit ad690ef9e690f6c31f7d310b09ef1314bcec9033
Author: Al Viro <viro@ftp.linux.org.uk>
xfs ioctl __user annotations
commit 20c2df83d25c6a95affe6157a4c9cac4cf5ffaac
Author: Paul Mundt <lethal@linux-sh.org>
mm: Remove slab destructors from kmem_cache_create().
commit d0217ac04ca6591841e5665f518e38064f4e65bd
Author: Nick Piggin <npiggin@suse.de>
mm: fault feedback #1
commit 54cb8821de07f2ffcd28c380ce9b93d5784b40d7
Author: Nick Piggin <npiggin@suse.de>
mm: merge populate and nopage into fault (fixes nonlinear)
commit d00806b183152af6d24f46f0c33f14162ca1262a
Author: Nick Piggin <npiggin@suse.de>
mm: fix fault vs invalidate race for linear mappings
commit a569425512253992cc64ebf8b6d00a62f986db3e
Author: Christoph Hellwig <hch@infradead.org>
knfsd: exportfs: add exportfs.h header
commit 831441862956fffa17b9801db37e6ea1650b0f69
Author: Rafael J. Wysocki <rjw@sisk.pl>
Freezer: make kernel threads nonfreezable by default
commit 8e1f936b73150f5095448a0fee6d4f30a1f9001d
Author: Rusty Russell <rusty@rustcorp.com.au>
mm: clean up and kernelify shrinker registration
commit 5ffc4ef45b3b0a57872f631b4e4ceb8ace0d7496
Author: Jens Axboe <jens.axboe@oracle.com>
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
commit 8bb7844286fb8c9fce6f65d8288aeb09d03a5e0d
Author: Rafael J. Wysocki <rjw@sisk.pl>
Add suspend-related notifications for CPU hotplug
commit 59c51591a0ac7568824f541f57de967e88adaa07
Author: Michael Opdenacker <michael@free-electrons.com>
Fix occurrences of "the the "
commit 0ceb331433e8aad9c5f441a965d7c681f8b9046f
Author: Dmitriy Monakhov <dmonakhov@openvz.org>
mm: move common segment checks to separate helper function
--------
Merge of 2.6.x-xfs-melb:linux:29656b by kenmcd.
|
/*
bt866 - BT866 Digital Video Encoder (Rockwell Part)
Copyright (C) 1999 Mike Bernson <mike@mlb.org>
Copyright (C) 1998 Dave Perks <dperks@ibm.net>
Modifications for LML33/DC10plus unified driver
Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
This code was modify/ported from the saa7111 driver written
by Dave Perks.
This code was adapted for the bt866 by Christer Weinigel and ported
to 2.6 by Martin Samuelsson.
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/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 <asm/io.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/i2c.h>
#include <linux/videodev.h>
#include <asm/uaccess.h>
#include <linux/video_encoder.h>
MODULE_LICENSE("GPL");
#define BT866_DEVNAME "bt866"
#define I2C_BT866 0x88
MODULE_LICENSE("GPL");
#define DEBUG(x) /* Debug driver */
/* ----------------------------------------------------------------------- */
struct bt866 {
struct i2c_client *i2c;
int addr;
unsigned char reg[256];
int norm;
int enable;
int bright;
int contrast;
int hue;
int sat;
};
static int bt866_write(struct bt866 *dev,
unsigned char subaddr, unsigned char data);
static int bt866_do_command(struct bt866 *encoder,
unsigned int cmd, void *arg)
{
switch (cmd) {
case ENCODER_GET_CAPABILITIES:
{
struct video_encoder_capability *cap = arg;
DEBUG(printk
(KERN_INFO "%s: get capabilities\n",
encoder->i2c->name));
cap->flags
= VIDEO_ENCODER_PAL
| VIDEO_ENCODER_NTSC
| VIDEO_ENCODER_CCIR;
cap->inputs = 2;
cap->outputs = 1;
}
break;
case ENCODER_SET_NORM:
{
int *iarg = arg;
DEBUG(printk(KERN_INFO "%s: set norm %d\n",
encoder->i2c->name, *iarg));
switch (*iarg) {
case VIDEO_MODE_NTSC:
break;
case VIDEO_MODE_PAL:
break;
default:
return -EINVAL;
}
encoder->norm = *iarg;
}
break;
case ENCODER_SET_INPUT:
{
int *iarg = arg;
static const __u8 init[] = {
0xc8, 0xcc, /* CRSCALE */
0xca, 0x91, /* CBSCALE */
0xcc, 0x24, /* YC16 | OSDNUM */
0xda, 0x00, /* */
0xdc, 0x24, /* SETMODE | PAL */
0xde, 0x02, /* EACTIVE */
/* overlay colors */
0x70, 0xEB, 0x90, 0x80, 0xB0, 0x80, /* white */
0x72, 0xA2, 0x92, 0x8E, 0xB2, 0x2C, /* yellow */
0x74, 0x83, 0x94, 0x2C, 0xB4, 0x9C, /* cyan */
0x76, 0x70, 0x96, 0x3A, 0xB6, 0x48, /* green */
0x78, 0x54, 0x98, 0xC6, 0xB8, 0xB8, /* magenta */
0x7A, 0x41, 0x9A, 0xD4, 0xBA, 0x64, /* red */
0x7C, 0x23, 0x9C, 0x72, 0xBC, 0xD4, /* blue */
0x7E, 0x10, 0x9E, 0x80, 0xBE, 0x80, /* black */
0x60, 0xEB, 0x80, 0x80, 0xc0, 0x80, /* white */
0x62, 0xA2, 0x82, 0x8E, 0xc2, 0x2C, /* yellow */
0x64, 0x83, 0x84, 0x2C, 0xc4, 0x9C, /* cyan */
0x66, 0x70, 0x86, 0x3A, 0xc6, 0x48, /* green */
0x68, 0x54, 0x88, 0xC6, 0xc8, 0xB8, /* magenta */
0x6A, 0x41, 0x8A, 0xD4, 0xcA, 0x64, /* red */
0x6C, 0x23, 0x8C, 0x72, 0xcC, 0xD4, /* blue */
0x6E, 0x10, 0x8E, 0x80, 0xcE, 0x80, /* black */
};
int i;
u8 val;
for (i = 0; i < ARRAY_SIZE(init) / 2; i += 2)
bt866_write(encoder, init[i], init[i+1]);
val = encoder->reg[0xdc];
if (*iarg == 0)
val |= 0x40; /* CBSWAP */
else
val &= ~0x40; /* !CBSWAP */
bt866_write(encoder, 0xdc, val);
val = encoder->reg[0xcc];
if (*iarg == 2)
val |= 0x01; /* OSDBAR */
else
val &= ~0x01; /* !OSDBAR */
bt866_write(encoder, 0xcc, val);
DEBUG(printk(KERN_INFO "%s: set input %d\n",
encoder->i2c->name, *iarg));
switch (*iarg) {
case 0:
break;
case 1:
break;
default:
return -EINVAL;
}
}
break;
case ENCODER_SET_OUTPUT:
{
int *iarg = arg;
DEBUG(printk(KERN_INFO "%s: set output %d\n",
encoder->i2c->name, *iarg));
/* not much choice of outputs */
if (*iarg != 0)
return -EINVAL;
}
break;
case ENCODER_ENABLE_OUTPUT:
{
int *iarg = arg;
encoder->enable = !!*iarg;
DEBUG(printk
(KERN_INFO "%s: enable output %d\n",
encoder->i2c->name, encoder->enable));
}
break;
case 4711:
{
int *iarg = arg;
__u8 val;
printk("bt866: square = %d\n", *iarg);
val = encoder->reg[0xdc];
if (*iarg)
val |= 1; /* SQUARE */
else
val &= ~1; /* !SQUARE */
bt866_write(encoder, 0xdc, val);
break;
}
default:
return -EINVAL;
}
return 0;
}
static int bt866_write(struct bt866 *encoder,
unsigned char subaddr, unsigned char data)
{
unsigned char buffer[2];
int err;
buffer[0] = subaddr;
buffer[1] = data;
encoder->reg[subaddr] = data;
DEBUG(printk
("%s: write 0x%02X = 0x%02X\n",
encoder->i2c->name, subaddr, data));
for (err = 0; err < 3;) {
if (i2c_master_send(encoder->i2c, buffer, 2) == 2)
break;
err++;
printk(KERN_WARNING "%s: I/O error #%d "
"(write 0x%02x/0x%02x)\n",
encoder->i2c->name, err, encoder->addr, subaddr);
schedule_timeout_interruptible(msecs_to_jiffies(100));
}
if (err == 3) {
printk(KERN_WARNING "%s: giving up\n",
encoder->i2c->name);
return -1;
}
return 0;
}
static int bt866_attach(struct i2c_adapter *adapter);
static int bt866_detach(struct i2c_client *client);
static int bt866_command(struct i2c_client *client,
unsigned int cmd, void *arg);
/* Addresses to scan */
static unsigned short normal_i2c[] = {I2C_BT866>>1, I2C_CLIENT_END};
static unsigned short probe[2] = {I2C_CLIENT_END, I2C_CLIENT_END};
static unsigned short ignore[2] = {I2C_CLIENT_END, I2C_CLIENT_END};
static struct i2c_client_address_data addr_data = {
normal_i2c,
probe,
ignore,
};
static struct i2c_driver i2c_driver_bt866 = {
.driver.name = BT866_DEVNAME,
.id = I2C_DRIVERID_BT866,
.attach_adapter = bt866_attach,
.detach_client = bt866_detach,
.command = bt866_command
};
static struct i2c_client bt866_client_tmpl =
{
.name = "(nil)",
.addr = 0,
.adapter = NULL,
.driver = &i2c_driver_bt866,
.usage_count = 0
};
static int bt866_found_proc(struct i2c_adapter *adapter,
int addr, int kind)
{
struct bt866 *encoder;
struct i2c_client *client;
client = kzalloc(sizeof(*client), GFP_KERNEL);
if (client == NULL)
return -ENOMEM;
memcpy(client, &bt866_client_tmpl, sizeof(*client));
encoder = kzalloc(sizeof(*encoder), GFP_KERNEL);
if (encoder == NULL) {
kfree(client);
return -ENOMEM;
}
i2c_set_clientdata(client, encoder);
client->adapter = adapter;
client->addr = addr;
sprintf(client->name, "%s-%02x", BT866_DEVNAME, adapter->id);
encoder->i2c = client;
encoder->addr = addr;
//encoder->encoder_type = ENCODER_TYPE_UNKNOWN;
/* initialize */
i2c_attach_client(client);
return 0;
}
static int bt866_attach(struct i2c_adapter *adapter)
{
if (adapter->id == I2C_HW_B_ZR36067)
return i2c_probe(adapter, &addr_data, bt866_found_proc);
return 0;
}
static int bt866_detach(struct i2c_client *client)
{
struct bt866 *encoder = i2c_get_clientdata(client);
i2c_detach_client(client);
kfree(encoder);
kfree(client);
return 0;
}
static int bt866_command(struct i2c_client *client,
unsigned int cmd, void *arg)
{
struct bt866 *encoder = i2c_get_clientdata(client);
return bt866_do_command(encoder, cmd, arg);
}
static int __devinit bt866_init(void)
{
i2c_add_driver(&i2c_driver_bt866);
return 0;
}
static void __devexit bt866_exit(void)
{
i2c_del_driver(&i2c_driver_bt866);
}
module_init(bt866_init);
module_exit(bt866_exit);
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