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[media] saa6588: rename rds.h to saa6588.h

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The naming of the media/rds.h header suggested that it was a generic
RDS header, when in fact it is just a saa6588 module API that is
internal to the kernel.

Rename the header and the struct and defines in it to make this clear.

Also removed the header include in radio-si470x.h (not used anymore)
and from ioctl-number.txt (it's internal to the kernel and never called
from userspace).

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2010-12-27 12:22:46 -03:00 committed by Mauro Carvalho Chehab
parent a519d70e0c
commit b9218f2f15
6 changed files with 29 additions and 33 deletions
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1
Documentation/ioctl/ioctl-number.txt
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@ -155,7 +155,6 @@ Code Seq#(hex) Include File Comments
'Q' all linux/soundcard.h
'R' 00-1F linux/random.h conflict!
'R' 01 linux/rfkill.h conflict!
'R' 01-0F media/rds.h conflict!
'R' C0-DF net/bluetooth/rfcomm.h
'S' all linux/cdrom.h conflict!
'S' 80-81 scsi/scsi_ioctl.h conflict!

1
drivers/media/radio/si470x/radio-si470x.h
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@ -37,7 +37,6 @@
#include <linux/mutex.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/rds.h>
#include <asm/unaligned.h>

14
drivers/media/video/bt8xx/bttv-driver.c
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@ -55,7 +55,7 @@
#include <asm/io.h>
#include <asm/byteorder.h>
#include <media/rds.h>
#include <media/saa6588.h>
unsigned int bttv_num; /* number of Bt848s in use */
@ -3388,7 +3388,7 @@ static int radio_release(struct file *file)
{
struct bttv_fh *fh = file->private_data;
struct bttv *btv = fh->btv;
struct rds_command cmd;
struct saa6588_command cmd;
v4l2_prio_close(&btv->prio, fh->prio);
file->private_data = NULL;
@ -3396,7 +3396,7 @@ static int radio_release(struct file *file)
btv->radio_user--;
bttv_call_all(btv, core, ioctl, RDS_CMD_CLOSE, &cmd);
bttv_call_all(btv, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
return 0;
}
@ -3523,13 +3523,13 @@ static ssize_t radio_read(struct file *file, char __user *data,
{
struct bttv_fh *fh = file->private_data;
struct bttv *btv = fh->btv;
struct rds_command cmd;
struct saa6588_command cmd;
cmd.block_count = count/3;
cmd.buffer = data;
cmd.instance = file;
cmd.result = -ENODEV;
bttv_call_all(btv, core, ioctl, RDS_CMD_READ, &cmd);
bttv_call_all(btv, core, ioctl, SAA6588_CMD_READ, &cmd);
return cmd.result;
}
@ -3538,11 +3538,11 @@ static unsigned int radio_poll(struct file *file, poll_table *wait)
{
struct bttv_fh *fh = file->private_data;
struct bttv *btv = fh->btv;
struct rds_command cmd;
struct saa6588_command cmd;
cmd.instance = file;
cmd.event_list = wait;
cmd.result = -ENODEV;
bttv_call_all(btv, core, ioctl, RDS_CMD_POLL, &cmd);
bttv_call_all(btv, core, ioctl, SAA6588_CMD_POLL, &cmd);
return cmd.result;
}

14
drivers/media/video/saa6588.c
View File

@ -31,7 +31,7 @@
#include <linux/wait.h>
#include <asm/uaccess.h>
#include <media/rds.h>
#include <media/saa6588.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
@ -181,7 +181,7 @@ static int block_to_user_buf(struct saa6588 *s, unsigned char __user *user_buf)
return 1;
}
static void read_from_buf(struct saa6588 *s, struct rds_command *a)
static void read_from_buf(struct saa6588 *s, struct saa6588_command *a)
{
unsigned long flags;
@ -392,25 +392,25 @@ static void saa6588_configure(struct saa6588 *s)
static long saa6588_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct saa6588 *s = to_saa6588(sd);
struct rds_command *a = arg;
struct saa6588_command *a = arg;
switch (cmd) {
/* --- open() for /dev/radio --- */
case RDS_CMD_OPEN:
case SAA6588_CMD_OPEN:
a->result = 0; /* return error if chip doesn't work ??? */
break;
/* --- close() for /dev/radio --- */
case RDS_CMD_CLOSE:
case SAA6588_CMD_CLOSE:
s->data_available_for_read = 1;
wake_up_interruptible(&s->read_queue);
a->result = 0;
break;
/* --- read() for /dev/radio --- */
case RDS_CMD_READ:
case SAA6588_CMD_READ:
read_from_buf(s, a);
break;
/* --- poll() for /dev/radio --- */
case RDS_CMD_POLL:
case SAA6588_CMD_POLL:
a->result = 0;
if (s->data_available_for_read) {
a->result |= POLLIN | POLLRDNORM;

14
drivers/media/video/saa7134/saa7134-video.c
View File

@ -30,7 +30,7 @@
#include "saa7134-reg.h"
#include "saa7134.h"
#include <media/v4l2-common.h>
#include <media/rds.h>
#include <media/saa6588.h>
/* ------------------------------------------------------------------ */
@ -1459,7 +1459,7 @@ static int video_release(struct file *file)
{
struct saa7134_fh *fh = file->private_data;
struct saa7134_dev *dev = fh->dev;
struct rds_command cmd;
struct saa6588_command cmd;
unsigned long flags;
/* turn off overlay */
@ -1494,7 +1494,7 @@ static int video_release(struct file *file)
saa_call_all(dev, core, s_power, 0);
if (fh->radio)
saa_call_all(dev, core, ioctl, RDS_CMD_CLOSE, &cmd);
saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
/* free stuff */
videobuf_mmap_free(&fh->cap);
@ -1520,14 +1520,14 @@ static ssize_t radio_read(struct file *file, char __user *data,
{
struct saa7134_fh *fh = file->private_data;
struct saa7134_dev *dev = fh->dev;
struct rds_command cmd;
struct saa6588_command cmd;
cmd.block_count = count/3;
cmd.buffer = data;
cmd.instance = file;
cmd.result = -ENODEV;
saa_call_all(dev, core, ioctl, RDS_CMD_READ, &cmd);
saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
return cmd.result;
}
@ -1536,12 +1536,12 @@ static unsigned int radio_poll(struct file *file, poll_table *wait)
{
struct saa7134_fh *fh = file->private_data;
struct saa7134_dev *dev = fh->dev;
struct rds_command cmd;
struct saa6588_command cmd;
cmd.instance = file;
cmd.event_list = wait;
cmd.result = -ENODEV;
saa_call_all(dev, core, ioctl, RDS_CMD_POLL, &cmd);
saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
return cmd.result;
}

18
include/media/rds.h → include/media/saa6588.h
View File

@ -4,9 +4,6 @@
saa6588.c and every driver (e.g. bttv-driver.c) that wants
to use the saa6588 module.
Instead of having a separate rds.h, I'd prefer to include
this stuff in one of the already existing files like tuner.h
(c) 2005 by Hans J. Koch
This program is free software; you can redistribute it and/or modify
@ -25,10 +22,10 @@
*/
#ifndef _RDS_H
#define _RDS_H
#ifndef _SAA6588_H
#define _SAA6588_H
struct rds_command {
struct saa6588_command {
unsigned int block_count;
int result;
unsigned char __user *buffer;
@ -36,9 +33,10 @@ struct rds_command {
poll_table *event_list;
};
#define RDS_CMD_OPEN _IOW('R',1,int)
#define RDS_CMD_CLOSE _IOW('R',2,int)
#define RDS_CMD_READ _IOR('R',3,int)
#define RDS_CMD_POLL _IOR('R',4,int)
/* These ioctls are internal to the kernel */
#define SAA6588_CMD_OPEN _IOW('R', 1, int)
#define SAA6588_CMD_CLOSE _IOW('R', 2, int)
#define SAA6588_CMD_READ _IOR('R', 3, int)
#define SAA6588_CMD_POLL _IOR('R', 4, int)
#endif