lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
e63340ae6b
linux-kernel-test/drivers/media/video/adv7175.c
Jean Delvare 6473d160b4 PCI: Cleanup the includes of <linux/pci.h> 
I noticed that many source files include <linux/pci.h> while they do
not appear to need it. Here is an attempt to clean it all up.

In order to find all possibly affected files, I searched for all
files including <linux/pci.h> but without any other occurence of "pci"
or "PCI". I removed the include statement from all of these, then I
compiled an allmodconfig kernel on both i386 and x86_64 and fixed the
false positives manually.

My tests covered 66% of the affected files, so there could be false
positives remaining. Untested files are:

arch/alpha/kernel/err_common.c
arch/alpha/kernel/err_ev6.c
arch/alpha/kernel/err_ev7.c
arch/ia64/sn/kernel/huberror.c
arch/ia64/sn/kernel/xpnet.c
arch/m68knommu/kernel/dma.c
arch/mips/lib/iomap.c
arch/powerpc/platforms/pseries/ras.c
arch/ppc/8260_io/enet.c
arch/ppc/8260_io/fcc_enet.c
arch/ppc/8xx_io/enet.c
arch/ppc/syslib/ppc4xx_sgdma.c
arch/sh64/mach-cayman/iomap.c
arch/xtensa/kernel/xtensa_ksyms.c
arch/xtensa/platform-iss/setup.c
drivers/i2c/busses/i2c-at91.c
drivers/i2c/busses/i2c-mpc.c
drivers/media/video/saa711x.c
drivers/misc/hdpuftrs/hdpu_cpustate.c
drivers/misc/hdpuftrs/hdpu_nexus.c
drivers/net/au1000_eth.c
drivers/net/fec_8xx/fec_main.c
drivers/net/fec_8xx/fec_mii.c
drivers/net/fs_enet/fs_enet-main.c
drivers/net/fs_enet/mac-fcc.c
drivers/net/fs_enet/mac-fec.c
drivers/net/fs_enet/mac-scc.c
drivers/net/fs_enet/mii-bitbang.c
drivers/net/fs_enet/mii-fec.c
drivers/net/ibm_emac/ibm_emac_core.c
drivers/net/lasi_82596.c
drivers/parisc/hppb.c
drivers/sbus/sbus.c
drivers/video/g364fb.c
drivers/video/platinumfb.c
drivers/video/stifb.c
drivers/video/valkyriefb.c
include/asm-arm/arch-ixp4xx/dma.h
sound/oss/au1550_ac97.c

I would welcome test reports for these files. I am fine with removing
the untested files from the patch if the general opinion is that these
changes aren't safe. The tested part would still be nice to have.

Note that this patch depends on another header fixup patch I submitted
to LKML yesterday:
  [PATCH] scatterlist.h needs types.h
  http://lkml.org/lkml/2007/3/01/141

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-05-02 19:02:35 -07:00

535 lines
12 KiB
C
Raw Blame History

/*
* adv7175 - adv7175a video encoder driver version 0.0.3
*
* Copyright (C) 1998 Dave Perks <dperks@ibm.net>
* Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net>
* Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
* - some corrections for Pinnacle Systems Inc. DC10plus card.
*
* Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
* - moved over to linux>=2.4.x i2c protocol (9/9/2002)
*
* 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/types.h>
#include <linux/videodev.h>
#include <asm/uaccess.h>
MODULE_DESCRIPTION("Analog Devices ADV7175 video encoder driver");
MODULE_AUTHOR("Dave Perks");
MODULE_LICENSE("GPL");
#include <linux/i2c.h>
#define I2C_NAME(s) (s)->name
#include <linux/video_encoder.h>
static int debug = 0;
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 adv7175 {
int norm;
int input;
int enable;
int bright;
int contrast;
int hue;
int sat;
};
#define I2C_ADV7175 0xd4
#define I2C_ADV7176 0x54
static char adv7175_name[] = "adv7175";
static char adv7176_name[] = "adv7176";
static char *inputs[] = { "pass_through", "play_back", "color_bar" };
static char *norms[] = { "PAL", "NTSC", "SECAM->PAL (may not work!)" };
/* ----------------------------------------------------------------------- */
static inline int
adv7175_write (struct i2c_client *client,
u8 reg,
u8 value)
{
return i2c_smbus_write_byte_data(client, reg, value);
}
static inline int
adv7175_read (struct i2c_client *client,
u8 reg)
{
return i2c_smbus_read_byte_data(client, reg);
}
static int
adv7175_write_block (struct i2c_client *client,
const u8 *data,
unsigned int len)
{
int ret = -1;
u8 reg;
/* the adv7175 has an autoincrement function, use it if
* the adapter understands raw I2C */
if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
/* do raw I2C, not smbus compatible */
u8 block_data[32];
int block_len;
while (len >= 2) {
block_len = 0;
block_data[block_len++] = reg = data[0];
do {
block_data[block_len++] = data[1];
reg++;
len -= 2;
data += 2;
} while (len >= 2 && data[0] == reg &&
block_len < 32);
if ((ret = i2c_master_send(client, block_data,
block_len)) < 0)
break;
}
} else {
/* do some slow I2C emulation kind of thing */
while (len >= 2) {
reg = *data++;
if ((ret = adv7175_write(client, reg,
*data++)) < 0)
break;
len -= 2;
}
}
return ret;
}
static void
set_subcarrier_freq (struct i2c_client *client,
int pass_through)
{
/* for some reason pass_through NTSC needs
* a different sub-carrier freq to remain stable. */
if(pass_through)
adv7175_write(client, 0x02, 0x00);
else
adv7175_write(client, 0x02, 0x55);
adv7175_write(client, 0x03, 0x55);
adv7175_write(client, 0x04, 0x55);
adv7175_write(client, 0x05, 0x25);
}
/* ----------------------------------------------------------------------- */
// Output filter: S-Video Composite
#define MR050 0x11 //0x09
#define MR060 0x14 //0x0c
//---------------------------------------------------------------------------
#define TR0MODE 0x46
#define TR0RST 0x80
#define TR1CAPT 0x80
#define TR1PLAY 0x00
static const unsigned char init_common[] = {
0x00, MR050, /* MR0, PAL enabled */
0x01, 0x00, /* MR1 */
0x02, 0x0c, /* subc. freq. */
0x03, 0x8c, /* subc. freq. */
0x04, 0x79, /* subc. freq. */
0x05, 0x26, /* subc. freq. */
0x06, 0x40, /* subc. phase */
0x07, TR0MODE, /* TR0, 16bit */
0x08, 0x21, /* */
0x09, 0x00, /* */
0x0a, 0x00, /* */
0x0b, 0x00, /* */
0x0c, TR1CAPT, /* TR1 */
0x0d, 0x4f, /* MR2 */
0x0e, 0x00, /* */
0x0f, 0x00, /* */
0x10, 0x00, /* */
0x11, 0x00, /* */
};
static const unsigned char init_pal[] = {
0x00, MR050, /* MR0, PAL enabled */
0x01, 0x00, /* MR1 */
0x02, 0x0c, /* subc. freq. */
0x03, 0x8c, /* subc. freq. */
0x04, 0x79, /* subc. freq. */
0x05, 0x26, /* subc. freq. */
0x06, 0x40, /* subc. phase */
};
static const unsigned char init_ntsc[] = {
0x00, MR060, /* MR0, NTSC enabled */
0x01, 0x00, /* MR1 */
0x02, 0x55, /* subc. freq. */
0x03, 0x55, /* subc. freq. */
0x04, 0x55, /* subc. freq. */
0x05, 0x25, /* subc. freq. */
0x06, 0x1a, /* subc. phase */
};
static int
adv7175_command (struct i2c_client *client,
unsigned int cmd,
void *arg)
{
struct adv7175 *encoder = i2c_get_clientdata(client);
switch (cmd) {
case 0:
/* This is just for testing!!! */
adv7175_write_block(client, init_common,
sizeof(init_common));
adv7175_write(client, 0x07, TR0MODE | TR0RST);
adv7175_write(client, 0x07, TR0MODE);
break;
case ENCODER_GET_CAPABILITIES:
{
struct video_encoder_capability *cap = arg;
cap->flags = VIDEO_ENCODER_PAL |
VIDEO_ENCODER_NTSC |
VIDEO_ENCODER_SECAM; /* well, hacky */
cap->inputs = 2;
cap->outputs = 1;
}
break;
case ENCODER_SET_NORM:
{
int iarg = *(int *) arg;
switch (iarg) {
case VIDEO_MODE_NTSC:
adv7175_write_block(client, init_ntsc,
sizeof(init_ntsc));
if (encoder->input == 0)
adv7175_write(client, 0x0d, 0x4f); // Enable genlock
adv7175_write(client, 0x07, TR0MODE | TR0RST);
adv7175_write(client, 0x07, TR0MODE);
break;
case VIDEO_MODE_PAL:
adv7175_write_block(client, init_pal,
sizeof(init_pal));
if (encoder->input == 0)
adv7175_write(client, 0x0d, 0x4f); // Enable genlock
adv7175_write(client, 0x07, TR0MODE | TR0RST);
adv7175_write(client, 0x07, TR0MODE);
break;
case VIDEO_MODE_SECAM: // WARNING! ADV7176 does not support SECAM.
/* This is an attempt to convert
* SECAM->PAL (typically it does not work
* due to genlock: when decoder is in SECAM
* and encoder in in PAL the subcarrier can
* not be syncronized with horizontal
* quency) */
adv7175_write_block(client, init_pal,
sizeof(init_pal));
if (encoder->input == 0)
adv7175_write(client, 0x0d, 0x49); // Disable genlock
adv7175_write(client, 0x07, TR0MODE | TR0RST);
adv7175_write(client, 0x07, TR0MODE);
break;
default:
dprintk(1, KERN_ERR "%s: illegal norm: %d\n",
I2C_NAME(client), iarg);
return -EINVAL;
}
dprintk(1, KERN_INFO "%s: switched to %s\n", I2C_NAME(client),
norms[iarg]);
encoder->norm = iarg;
}
break;
case ENCODER_SET_INPUT:
{
int iarg = *(int *) arg;
/* RJ: *iarg = 0: input is from SAA7110
*iarg = 1: input is from ZR36060
*iarg = 2: color bar */
switch (iarg) {
case 0:
adv7175_write(client, 0x01, 0x00);
if (encoder->norm == VIDEO_MODE_NTSC)
set_subcarrier_freq(client, 1);
adv7175_write(client, 0x0c, TR1CAPT); /* TR1 */
if (encoder->norm == VIDEO_MODE_SECAM)
adv7175_write(client, 0x0d, 0x49); // Disable genlock
else
adv7175_write(client, 0x0d, 0x4f); // Enable genlock
adv7175_write(client, 0x07, TR0MODE | TR0RST);
adv7175_write(client, 0x07, TR0MODE);
//udelay(10);
break;
case 1:
adv7175_write(client, 0x01, 0x00);
if (encoder->norm == VIDEO_MODE_NTSC)
set_subcarrier_freq(client, 0);
adv7175_write(client, 0x0c, TR1PLAY); /* TR1 */
adv7175_write(client, 0x0d, 0x49);
adv7175_write(client, 0x07, TR0MODE | TR0RST);
adv7175_write(client, 0x07, TR0MODE);
//udelay(10);
break;
case 2:
adv7175_write(client, 0x01, 0x80);
if (encoder->norm == VIDEO_MODE_NTSC)
set_subcarrier_freq(client, 0);
adv7175_write(client, 0x0d, 0x49);
adv7175_write(client, 0x07, TR0MODE | TR0RST);
adv7175_write(client, 0x07, TR0MODE);
//udelay(10);
break;
default:
dprintk(1, KERN_ERR "%s: illegal input: %d\n",
I2C_NAME(client), iarg);
return -EINVAL;
}
dprintk(1, KERN_INFO "%s: switched to %s\n", I2C_NAME(client),
inputs[iarg]);
encoder->input = iarg;
}
break;
case ENCODER_SET_OUTPUT:
{
int *iarg = arg;
/* not much choice of outputs */
if (*iarg != 0) {
return -EINVAL;
}
}
break;
case ENCODER_ENABLE_OUTPUT:
{
int *iarg = arg;
encoder->enable = !!*iarg;
}
break;
default:
return -EINVAL;
}
return 0;
}
/* ----------------------------------------------------------------------- */
/*
* Generic i2c probe
* concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
*/
static unsigned short normal_i2c[] =
{ I2C_ADV7175 >> 1, (I2C_ADV7175 >> 1) + 1,
I2C_ADV7176 >> 1, (I2C_ADV7176 >> 1) + 1,
I2C_CLIENT_END
};
static unsigned short ignore = I2C_CLIENT_END;
static struct i2c_client_address_data addr_data = {
.normal_i2c = normal_i2c,
.probe = &ignore,
.ignore = &ignore,
};
static struct i2c_driver i2c_driver_adv7175;
static int
adv7175_detect_client (struct i2c_adapter *adapter,
int address,
int kind)
{
int i;
struct i2c_client *client;
struct adv7175 *encoder;
char *dname;
dprintk(1,
KERN_INFO
"adv7175.c: detecting adv7175 client on address 0x%x\n",
address << 1);
/* Check if the adapter supports the needed features */
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return 0;
client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (client == 0)
return -ENOMEM;
client->addr = address;
client->adapter = adapter;
client->driver = &i2c_driver_adv7175;
if ((client->addr == I2C_ADV7175 >> 1) ||
(client->addr == (I2C_ADV7175 >> 1) + 1)) {
dname = adv7175_name;
} else if ((client->addr == I2C_ADV7176 >> 1) ||
(client->addr == (I2C_ADV7176 >> 1) + 1)) {
dname = adv7176_name;
} else {
/* We should never get here!!! */
kfree(client);
return 0;
}
strlcpy(I2C_NAME(client), dname, sizeof(I2C_NAME(client)));
encoder = kzalloc(sizeof(struct adv7175), GFP_KERNEL);
if (encoder == NULL) {
kfree(client);
return -ENOMEM;
}
encoder->norm = VIDEO_MODE_PAL;
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 = adv7175_write_block(client, init_common, sizeof(init_common));
if (i >= 0) {
i = adv7175_write(client, 0x07, TR0MODE | TR0RST);
i = adv7175_write(client, 0x07, TR0MODE);
i = adv7175_read(client, 0x12);
dprintk(1, KERN_INFO "%s_attach: rev. %d at 0x%x\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);
}
return 0;
}
static int
adv7175_attach_adapter (struct i2c_adapter *adapter)
{
dprintk(1,
KERN_INFO
"adv7175.c: starting probe for adapter %s (0x%x)\n",
I2C_NAME(adapter), adapter->id);
return i2c_probe(adapter, &addr_data, &adv7175_detect_client);
}
static int
adv7175_detach_client (struct i2c_client *client)
{
struct adv7175 *encoder = i2c_get_clientdata(client);
int err;
err = i2c_detach_client(client);
if (err) {
return err;
}
kfree(encoder);
kfree(client);
return 0;
}
/* ----------------------------------------------------------------------- */
static struct i2c_driver i2c_driver_adv7175 = {
.driver = {
.name = "adv7175", /* name */
},
.id = I2C_DRIVERID_ADV7175,
.attach_adapter = adv7175_attach_adapter,
.detach_client = adv7175_detach_client,
.command = adv7175_command,
};
static int __init
adv7175_init (void)
{
return i2c_add_driver(&i2c_driver_adv7175);
}
static void __exit
adv7175_exit (void)
{
i2c_del_driver(&i2c_driver_adv7175);
}
module_init(adv7175_init);
module_exit(adv7175_exit);
Reference in New Issue View Git Blame Copy Permalink