linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / drivers / media / video / arv.c

diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c
index 5c5e682..994b75f 100644 (file)
--- a/drivers/media/video/arv.c
+++ b/drivers/media/video/arv.c
@@ -18,7 +18,9 @@
  * 2003-09-01: Support w3cam by Takeo Takahashi
  */
 
+#include <linux/config.h>
 #include <linux/init.h>
+#include <linux/devfs_fs_kernel.h>
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/errno.h>
@@ -29,9 +31,8 @@
 #include <linux/mm.h>
 #include <linux/sched.h>
 #include <linux/videodev.h>
-#include <media/v4l2-common.h>
-#include <linux/mutex.h>
 
+#include <asm/semaphore.h>
 #include <asm/uaccess.h>
 #include <asm/m32r.h>
 #include <asm/io.h>
@@ -116,7 +117,7 @@ struct ar_device {
        int width, height;
        int frame_bytes, line_bytes;
        wait_queue_head_t wait;
-       struct mutex lock;
+       struct semaphore lock;
 };
 
 static int video_nr = -1;      /* video device number (first free) */
@@ -160,39 +161,39 @@ void iic(int n, unsigned long addr, unsigned long data1, unsigned long data2,
 {
        int i;
 
-       /* Slave Address */
-       ar_outl(addr, PLDI2CDATA);
+       /* Slave Address */
+       ar_outl(addr, PLDI2CDATA);
        wait_for_vsync();
 
-       /* Start */
-       ar_outl(1, PLDI2CCND);
+       /* Start */
+       ar_outl(1, PLDI2CCND);
        wait_acknowledge();
 
        /* Transfer data 1 */
-       ar_outl(data1, PLDI2CDATA);
+       ar_outl(data1, PLDI2CDATA);
        wait_for_vsync();
-       ar_outl(PLDI2CSTEN_STEN, PLDI2CSTEN);
+       ar_outl(PLDI2CSTEN_STEN, PLDI2CSTEN);
        wait_acknowledge();
 
        /* Transfer data 2 */
-       ar_outl(data2, PLDI2CDATA);
+       ar_outl(data2, PLDI2CDATA);
        wait_for_vsync();
-       ar_outl(PLDI2CSTEN_STEN, PLDI2CSTEN);
+       ar_outl(PLDI2CSTEN_STEN, PLDI2CSTEN);
        wait_acknowledge();
 
        if (n == 3) {
                /* Transfer data 3 */
-               ar_outl(data3, PLDI2CDATA);
+               ar_outl(data3, PLDI2CDATA);
                wait_for_vsync();
-               ar_outl(PLDI2CSTEN_STEN, PLDI2CSTEN);
+               ar_outl(PLDI2CSTEN_STEN, PLDI2CSTEN);
                wait_acknowledge();
-       }
+       }
 
-       /* Stop */
+       /* Stop */
        for (i = 0; i < 100; i++)
                cpu_relax();
-       ar_outl(2, PLDI2CCND);
-       ar_outl(2, PLDI2CCND);
+       ar_outl(2, PLDI2CCND);
+       ar_outl(2, PLDI2CCND);
 
        while (ar_inl(PLDI2CSTS) & PLDI2CSTS_BB)
                cpu_relax();
@@ -203,24 +204,24 @@ void init_iic(void)
 {
        DEBUG(1, "init_iic:\n");
 
-       /*
+       /*
         * ICU Setting (iic)
         */
-       /* I2C Setting */
-       ar_outl(0x0, PLDI2CCR);         /* I2CCR Disable                   */
-       ar_outl(0x0300, PLDI2CMOD);     /* I2CMOD ACK/8b-data/7b-addr/auto */
-       ar_outl(0x1, PLDI2CACK);        /* I2CACK ACK                      */
+       /* I2C Setting */
+       ar_outl(0x0, PLDI2CCR);         /* I2CCR Disable                   */
+       ar_outl(0x0300, PLDI2CMOD);     /* I2CMOD ACK/8b-data/7b-addr/auto */
+       ar_outl(0x1, PLDI2CACK);        /* I2CACK ACK                      */
 
-       /* I2C CLK */
-       /* 50MH-100k */
+       /* I2C CLK */
+       /* 50MH-100k */
        if (freq == 75) {
-               ar_outl(369, PLDI2CFREQ);       /* BCLK = 75MHz */
+               ar_outl(369, PLDI2CFREQ);       /* BCLK = 75MHz */
        } else if (freq == 50) {
                ar_outl(244, PLDI2CFREQ);       /* BCLK = 50MHz */
        } else {
                ar_outl(244, PLDI2CFREQ);       /* default: BCLK = 50MHz */
        }
-       ar_outl(0x1, PLDI2CCR);         /* I2CCR Enable */
+       ar_outl(0x1, PLDI2CCR);         /* I2CCR Enable */
 }
 
 /**************************************************************************
@@ -252,7 +253,7 @@ static inline void wait_for_vertical_sync(int exp_line)
 
        /*
         * check HCOUNT because we cannot check vertical sync.
-        */
+        */
        for (; tmout >= 0; tmout--) {
                l = ar_inl(ARVHCOUNT);
                if (l == exp_line)
@@ -287,7 +288,7 @@ static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos)
        if (ar->mode == AR_MODE_NORMAL)
                arvcr1 |= ARVCR1_NORMAL;
 
-       mutex_lock(&ar->lock);
+       down(&ar->lock);
 
 #if USE_INT
        local_irq_save(flags);
@@ -391,7 +392,7 @@ static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos)
        }
        DEBUG(1, "ret = %d\n", ret);
 out_up:
-       mutex_unlock(&ar->lock);
+       up(&ar->lock);
        return ret;
 }
 
@@ -455,7 +456,7 @@ static int ar_do_ioctl(struct inode *inode, struct file *file,
                    (w->width != AR_WIDTH_QVGA || w->height != AR_HEIGHT_QVGA))
                                return -EINVAL;
 
-               mutex_lock(&ar->lock);
+               down(&ar->lock);
                ar->width = w->width;
                ar->height = w->height;
                if (ar->width == AR_WIDTH_VGA) {
@@ -472,7 +473,7 @@ static int ar_do_ioctl(struct inode *inode, struct file *file,
                        ar->line_bytes = AR_LINE_BYTES_QVGA;
                        ar->mode = AR_MODE_INTERLACE;
                }
-               mutex_unlock(&ar->lock);
+               up(&ar->lock);
                return 0;
        }
        case VIDIOCGFBUF:
@@ -561,8 +562,8 @@ static void ar_interrupt(int irq, void *dev, struct pt_regs *regs)
                /* operations for interlace mode */
                if ( line_count < (AR_HEIGHT_VGA/2) )   /* even line */
                        line_number = (line_count << 1);
-               else                                    /* odd line */
-                       line_number =
+               else                                    /* odd line */
+                       line_number =
                        (((line_count - (AR_HEIGHT_VGA/2)) << 1) + 1);
        } else {
                line_number = line_count;
@@ -650,7 +651,7 @@ static int ar_initialize(struct video_device *dev)
                cr |= ARVCR1_NORMAL;
        ar_outl(cr, ARVCR1);
 
-       /*
+       /*
         * Initialize IIC so that CPU can communicate with AR LSI,
         * and send boot commands to AR LSI.
         */
@@ -733,7 +734,7 @@ static int ar_initialize(struct video_device *dev)
 void ar_release(struct video_device *vfd)
 {
        struct ar_device *ar = vfd->priv;
-       mutex_lock(&ar->lock);
+       down(&ar->lock);
        video_device_release(vfd);
 }
 
@@ -823,7 +824,7 @@ static int __init ar_init(void)
                ar->line_bytes  = AR_LINE_BYTES_QVGA;
                ar->mode        = AR_MODE_INTERLACE;
        }
-       mutex_init(&ar->lock);
+       init_MUTEX(&ar->lock);
        init_waitqueue_head(&ar->wait);
 
 #if USE_INT
@@ -845,7 +846,7 @@ static int __init ar_init(void)
         * so register video device as a frame grabber type.
         * device is named "video[0-64]".
         * video_register_device() initializes h/w using ar_initialize().
-        */
+        */
        if (video_register_device(ar->vdev, VFL_TYPE_GRABBER, video_nr) != 0) {
                /* return -1, -ENFILE(full) or others */
                printk("arv: register video (Colour AR) failed.\n");