#include <linux/i2c.h>
#include <linux/videotext.h>
#include <linux/videodev.h>
+#include <media/v4l2-common.h>
+#include <linux/mutex.h>
+
#include "saa5246a.h"
MODULE_AUTHOR("Michael Geng <linux@MichaelGeng.de>");
u8 pgbuf[NUM_DAUS][VTX_VIRTUALSIZE];
int is_searching[NUM_DAUS];
struct i2c_client *client;
- struct semaphore lock;
+ struct mutex lock;
};
static struct video_device saa_template; /* Declared near bottom */
/* Addresses to scan */
static unsigned short normal_i2c[] = { I2C_ADDRESS, 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 struct i2c_client_address_data addr_data = {
- normal_i2c, normal_i2c_range,
- probe, probe_range,
- ignore, ignore_range,
- force
-};
+I2C_CLIENT_INSMOD;
static struct i2c_client client_template;
client_template.adapter = adap;
client_template.addr = addr;
memcpy(client, &client_template, sizeof(*client));
- t = kmalloc(sizeof(*t), GFP_KERNEL);
+ t = kzalloc(sizeof(*t), GFP_KERNEL);
if(t==NULL)
{
kfree(client);
return -ENOMEM;
}
- memset(t, 0, sizeof(*t));
strlcpy(client->name, IF_NAME, I2C_NAME_SIZE);
- init_MUTEX(&t->lock);
+ mutex_init(&t->lock);
/*
* Now create a video4linux device
return 0;
}
-static int saa5246a_command(struct i2c_client *device, unsigned int cmd,
- void *arg)
-{
- return -EINVAL;
-}
-
/*
* I2C interfaces
*/
static struct i2c_driver i2c_driver_videotext =
{
- .owner = THIS_MODULE,
- .name = IF_NAME, /* name */
+ .driver = {
+ .name = IF_NAME, /* name */
+ },
.id = I2C_DRIVERID_SAA5249, /* in i2c.h */
- .flags = I2C_DF_NOTIFY,
.attach_adapter = saa5246a_probe,
.detach_client = saa5246a_detach,
- .command = saa5246a_command
};
static struct i2c_client client_template = {
- .id = -1,
.driver = &i2c_driver_videotext,
.name = "(unset)",
};
return -EINVAL;
}
+/*
+ * Translates old vtx IOCTLs to new ones
+ *
+ * This keeps new kernel versions compatible with old userspace programs.
+ */
+static inline unsigned int vtx_fix_command(unsigned int cmd)
+{
+ switch (cmd) {
+ case VTXIOCGETINFO_OLD:
+ cmd = VTXIOCGETINFO;
+ break;
+ case VTXIOCCLRPAGE_OLD:
+ cmd = VTXIOCCLRPAGE;
+ break;
+ case VTXIOCCLRFOUND_OLD:
+ cmd = VTXIOCCLRFOUND;
+ break;
+ case VTXIOCPAGEREQ_OLD:
+ cmd = VTXIOCPAGEREQ;
+ break;
+ case VTXIOCGETSTAT_OLD:
+ cmd = VTXIOCGETSTAT;
+ break;
+ case VTXIOCGETPAGE_OLD:
+ cmd = VTXIOCGETPAGE;
+ break;
+ case VTXIOCSTOPDAU_OLD:
+ cmd = VTXIOCSTOPDAU;
+ break;
+ case VTXIOCPUTPAGE_OLD:
+ cmd = VTXIOCPUTPAGE;
+ break;
+ case VTXIOCSETDISP_OLD:
+ cmd = VTXIOCSETDISP;
+ break;
+ case VTXIOCPUTSTAT_OLD:
+ cmd = VTXIOCPUTSTAT;
+ break;
+ case VTXIOCCLRCACHE_OLD:
+ cmd = VTXIOCCLRCACHE;
+ break;
+ case VTXIOCSETVIRT_OLD:
+ cmd = VTXIOCSETVIRT;
+ break;
+ }
+ return cmd;
+}
+
/*
* Handle the locking
*/
struct saa5246a_device *t = vd->priv;
int err;
- down(&t->lock);
+ cmd = vtx_fix_command(cmd);
+ mutex_lock(&t->lock);
err = video_usercopy(inode, file, cmd, arg, do_saa5246a_ioctl);
- up(&t->lock);
+ mutex_unlock(&t->lock);
return err;
}
.owner = THIS_MODULE,
.name = IF_NAME,
.type = VID_TYPE_TELETEXT,
- .hardware = VID_HARDWARE_SAA5249,
.fops = &saa_fops,
.release = video_device_release,
.minor = -1,