media: platform: remove m32r specific arv driver

The m32r architecture is getting removed, so this one is no longer needed.

Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

3 files changed, 0 insertions, 906 deletions

diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 00158b35c7db..6df9ec377482 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -52,26 +52,6 @@ config VIDEO_VIU
 	  Say Y here if you want to enable VIU device on MPC5121e Rev2+.
 	  In doubt, say N.
 
-config VIDEO_M32R_AR
-	tristate "AR devices"
-	depends on VIDEO_V4L2
-	depends on M32R || COMPILE_TEST
-	---help---
-	  This is a video4linux driver for the Renesas AR (Artificial Retina)
-	  camera module.
-
-config VIDEO_M32R_AR_M64278
-	tristate "AR device with color module M64278(VGA)"
-	depends on PLAT_M32700UT
-	select VIDEO_M32R_AR
-	---help---
-	  This is a video4linux driver for the Renesas AR (Artificial
-	  Retina) with M64278E-800 camera module.
-	  This module supports VGA(640x480 pixels) resolutions.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called arv.
-
 config VIDEO_MUX
 	tristate "Video Multiplexer"
 	select MULTIPLEXER
diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile
index e2b5cb36ee84..db96a3cb18dd 100644
--- a/drivers/media/platform/Makefile
+++ b/drivers/media/platform/Makefile
@@ -3,8 +3,6 @@
 # Makefile for the video capture/playback device drivers.
 #
 
-obj-$(CONFIG_VIDEO_M32R_AR_M64278) += arv.o
-
 obj-$(CONFIG_VIDEO_VIA_CAMERA) += via-camera.o
 obj-$(CONFIG_VIDEO_CAFE_CCIC) += marvell-ccic/
 obj-$(CONFIG_VIDEO_MMP_CAMERA) += marvell-ccic/
diff --git a/drivers/media/platform/arv.c b/drivers/media/platform/arv.c
deleted file mode 100644
index 1e865fea803c..000000000000
--- a/drivers/media/platform/arv.c
+++ /dev/null
@@ -1,884 +0,0 @@
-/*
- * Colour AR M64278(VGA) driver for Video4Linux
- *
- * Copyright (C) 2003	Takeo Takahashi <takahashi.takeo@renesas.com>
- *
- * 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.
- *
- * Some code is taken from AR driver sample program for M3T-M32700UT.
- *
- * AR driver sample (M32R SDK):
- *     Copyright (c) 2003 RENESAS TECHNOROGY CORPORATION
- *     AND RENESAS SOLUTIONS CORPORATION
- *     All Rights Reserved.
- *
- * 2003-09-01:	Support w3cam by Takeo Takahashi
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/videodev2.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-ioctl.h>
-#include <media/v4l2-fh.h>
-#include <linux/mutex.h>
-
-#include <linux/uaccess.h>
-#include <asm/m32r.h>
-#include <asm/io.h>
-#include <asm/dma.h>
-#include <asm/byteorder.h>
-
-#if 0
-#define DEBUG(n, args...) printk(KERN_INFO args)
-#define CHECK_LOST	1
-#else
-#define DEBUG(n, args...)
-#define CHECK_LOST	0
-#endif
-
-/*
- * USE_INT is always 0, interrupt mode is not available
- * on linux due to lack of speed
- */
-#define USE_INT		0	/* Don't modify */
-
-#define VERSION	"0.0.5"
-
-#define ar_inl(addr)		inl((unsigned long)(addr))
-#define ar_outl(val, addr)	outl((unsigned long)(val), (unsigned long)(addr))
-
-extern struct cpuinfo_m32r	boot_cpu_data;
-
-/*
- * CCD pixel size
- *	Note that M32700UT does not support CIF mode, but QVGA is
- *	supported by M32700UT hardware using VGA mode of AR LSI.
- *
- *	Supported: VGA  (Normal mode, Interlace mode)
- *		   QVGA (Always Interlace mode of VGA)
- *
- */
-#define AR_WIDTH_VGA		640
-#define AR_HEIGHT_VGA		480
-#define AR_WIDTH_QVGA		320
-#define AR_HEIGHT_QVGA		240
-#define MIN_AR_WIDTH		AR_WIDTH_QVGA
-#define MIN_AR_HEIGHT		AR_HEIGHT_QVGA
-#define MAX_AR_WIDTH		AR_WIDTH_VGA
-#define MAX_AR_HEIGHT		AR_HEIGHT_VGA
-
-/* bits & bytes per pixel */
-#define AR_BITS_PER_PIXEL	16
-#define AR_BYTES_PER_PIXEL	(AR_BITS_PER_PIXEL / 8)
-
-/* line buffer size */
-#define AR_LINE_BYTES_VGA	(AR_WIDTH_VGA * AR_BYTES_PER_PIXEL)
-#define AR_LINE_BYTES_QVGA	(AR_WIDTH_QVGA * AR_BYTES_PER_PIXEL)
-#define MAX_AR_LINE_BYTES	AR_LINE_BYTES_VGA
-
-/* frame size & type */
-#define AR_FRAME_BYTES_VGA \
-	(AR_WIDTH_VGA * AR_HEIGHT_VGA * AR_BYTES_PER_PIXEL)
-#define AR_FRAME_BYTES_QVGA \
-	(AR_WIDTH_QVGA * AR_HEIGHT_QVGA * AR_BYTES_PER_PIXEL)
-#define MAX_AR_FRAME_BYTES \
-	(MAX_AR_WIDTH * MAX_AR_HEIGHT * AR_BYTES_PER_PIXEL)
-
-#define AR_MAX_FRAME		15
-
-/* capture size */
-#define AR_SIZE_VGA		0
-#define AR_SIZE_QVGA		1
-
-/* capture mode */
-#define AR_MODE_INTERLACE	0
-#define AR_MODE_NORMAL		1
-
-struct ar {
-	struct v4l2_device v4l2_dev;
-	struct video_device vdev;
-	int start_capture;	/* duaring capture in INT. mode. */
-#if USE_INT
-	unsigned char *line_buff;	/* DMA line buffer */
-#endif
-	unsigned char *frame[MAX_AR_HEIGHT];	/* frame data */
-	short size;			/* capture size */
-	short mode;			/* capture mode */
-	int width, height;
-	int frame_bytes, line_bytes;
-	wait_queue_head_t wait;
-	struct mutex lock;
-};
-
-static struct ar ardev;
-
-static int video_nr = -1;	/* video device number (first free) */
-static unsigned char yuv[MAX_AR_FRAME_BYTES];
-
-/* module parameters */
-/* default frequency */
-#define DEFAULT_FREQ	50	/* 50 or 75 (MHz) is available as BCLK */
-static int freq = DEFAULT_FREQ;	/* BCLK: available 50 or 70 (MHz) */
-static int vga;			/* default mode(0:QVGA mode, other:VGA mode) */
-static int vga_interlace;	/* 0 is normal mode for, else interlace mode */
-module_param(freq, int, 0);
-module_param(vga, int, 0);
-module_param(vga_interlace, int, 0);
-
-static void wait_for_vsync(void)
-{
-	while (ar_inl(ARVCR0) & ARVCR0_VDS)	/* wait for VSYNC */
-		cpu_relax();
-	while (!(ar_inl(ARVCR0) & ARVCR0_VDS))	/* wait for VSYNC */
-		cpu_relax();
-}
-
-static void wait_acknowledge(void)
-{
-	int i;
-
-	for (i = 0; i < 1000; i++)
-		cpu_relax();
-	while (ar_inl(PLDI2CSTS) & PLDI2CSTS_NOACK)
-		cpu_relax();
-}
-
-/*******************************************************************
- * I2C functions
- *******************************************************************/
-static void iic(int n, unsigned long addr, unsigned long data1, unsigned long data2,
-	 unsigned long data3)
-{
-	int i;
-
-	/* Slave Address */
-	ar_outl(addr, PLDI2CDATA);
-	wait_for_vsync();
-
-	/* Start */
-	ar_outl(1, PLDI2CCND);
-	wait_acknowledge();
-
-	/* Transfer data 1 */
-	ar_outl(data1, PLDI2CDATA);
-	wait_for_vsync();
-	ar_outl(PLDI2CSTEN_STEN, PLDI2CSTEN);
-	wait_acknowledge();
-
-	/* Transfer data 2 */
-	ar_outl(data2, PLDI2CDATA);
-	wait_for_vsync();
-	ar_outl(PLDI2CSTEN_STEN, PLDI2CSTEN);
-	wait_acknowledge();
-
-	if (n == 3) {
-		/* Transfer data 3 */
-		ar_outl(data3, PLDI2CDATA);
-		wait_for_vsync();
-		ar_outl(PLDI2CSTEN_STEN, PLDI2CSTEN);
-		wait_acknowledge();
-	}
-
-	/* Stop */
-	for (i = 0; i < 100; i++)
-		cpu_relax();
-	ar_outl(2, PLDI2CCND);
-	ar_outl(2, PLDI2CCND);
-
-	while (ar_inl(PLDI2CSTS) & PLDI2CSTS_BB)
-		cpu_relax();
-}
-
-
-static 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 CLK */
-	/* 50MH-100k */
-	if (freq == 75)
-		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 */
-}
-
-/**************************************************************************
- *
- * Video4Linux Interface functions
- *
- **************************************************************************/
-
-static inline void disable_dma(void)
-{
-	ar_outl(0x8000, M32R_DMAEN_PORTL);	/* disable DMA0 */
-}
-
-static inline void enable_dma(void)
-{
-	ar_outl(0x8080, M32R_DMAEN_PORTL);	/* enable DMA0 */
-}
-
-static inline void clear_dma_status(void)
-{
-	ar_outl(0x8000, M32R_DMAEDET_PORTL);	/* clear status */
-}
-
-static void wait_for_vertical_sync(struct ar *ar, int exp_line)
-{
-#if CHECK_LOST
-	int tmout = 10000;	/* FIXME */
-	int l;
-
-	/*
-	 * check HCOUNT because we cannot check vertical sync.
-	 */
-	for (; tmout >= 0; tmout--) {
-		l = ar_inl(ARVHCOUNT);
-		if (l == exp_line)
-			break;
-	}
-	if (tmout < 0)
-		v4l2_err(&ar->v4l2_dev, "lost %d -> %d\n", exp_line, l);
-#else
-	while (ar_inl(ARVHCOUNT) != exp_line)
-		cpu_relax();
-#endif
-}
-
-static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos)
-{
-	struct ar *ar = video_drvdata(file);
-	long ret = ar->frame_bytes;		/* return read bytes */
-	unsigned long arvcr1 = 0;
-	unsigned long flags;
-	unsigned char *p;
-	int h, w;
-	unsigned char *py, *pu, *pv;
-#if !USE_INT
-	int l;
-#endif
-
-	DEBUG(1, "ar_read()\n");
-
-	if (ar->size == AR_SIZE_QVGA)
-		arvcr1 |= ARVCR1_QVGA;
-	if (ar->mode == AR_MODE_NORMAL)
-		arvcr1 |= ARVCR1_NORMAL;
-
-	mutex_lock(&ar->lock);
-
-#if USE_INT
-	local_irq_save(flags);
-	disable_dma();
-	ar_outl(0xa1871300, M32R_DMA0CR0_PORTL);
-	ar_outl(0x01000000, M32R_DMA0CR1_PORTL);
-
-	/* set AR FIFO address as source(BSEL5) */
-	ar_outl(ARDATA32, M32R_DMA0CSA_PORTL);
-	ar_outl(ARDATA32, M32R_DMA0RSA_PORTL);
-	ar_outl(ar->line_buff, M32R_DMA0CDA_PORTL);	/* destination addr. */
-	ar_outl(ar->line_buff, M32R_DMA0RDA_PORTL);	/* reload address */
-	ar_outl(ar->line_bytes, M32R_DMA0CBCUT_PORTL);	/* byte count (bytes) */
-	ar_outl(ar->line_bytes, M32R_DMA0RBCUT_PORTL);	/* reload count (bytes) */
-
-	/*
-	 * Okay, kick AR LSI to invoke an interrupt
-	 */
-	ar->start_capture = -1;
-	ar_outl(arvcr1 | ARVCR1_HIEN, ARVCR1);
-	local_irq_restore(flags);
-	/* .... AR interrupts .... */
-	wait_event_interruptible(ar->wait, ar->start_capture == 0);
-	if (signal_pending(current)) {
-		printk(KERN_ERR "arv: interrupted while get frame data.\n");
-		ret = -EINTR;
-		goto out_up;
-	}
-#else	/* ! USE_INT */
-	/* polling */
-	ar_outl(arvcr1, ARVCR1);
-	disable_dma();
-	ar_outl(0x8000, M32R_DMAEDET_PORTL);
-	ar_outl(0xa0861300, M32R_DMA0CR0_PORTL);
-	ar_outl(0x01000000, M32R_DMA0CR1_PORTL);
-	ar_outl(ARDATA32, M32R_DMA0CSA_PORTL);
-	ar_outl(ARDATA32, M32R_DMA0RSA_PORTL);
-	ar_outl(ar->line_bytes, M32R_DMA0CBCUT_PORTL);
-	ar_outl(ar->line_bytes, M32R_DMA0RBCUT_PORTL);
-
-	local_irq_save(flags);
-	while (ar_inl(ARVHCOUNT) != 0)		/* wait for 0 */
-		cpu_relax();
-	if (ar->mode == AR_MODE_INTERLACE && ar->size == AR_SIZE_VGA) {
-		for (h = 0; h < ar->height; h++) {
-			wait_for_vertical_sync(ar, h);
-			if (h < (AR_HEIGHT_VGA/2))
-				l = h << 1;
-			else
-				l = (((h - (AR_HEIGHT_VGA/2)) << 1) + 1);
-			ar_outl(virt_to_phys(ar->frame[l]), M32R_DMA0CDA_PORTL);
-			enable_dma();
-			while (!(ar_inl(M32R_DMAEDET_PORTL) & 0x8000))
-				cpu_relax();
-			disable_dma();
-			clear_dma_status();
-			ar_outl(0xa0861300, M32R_DMA0CR0_PORTL);
-		}
-	} else {
-		for (h = 0; h < ar->height; h++) {
-			wait_for_vertical_sync(ar, h);
-			ar_outl(virt_to_phys(ar->frame[h]), M32R_DMA0CDA_PORTL);
-			enable_dma();
-			while (!(ar_inl(M32R_DMAEDET_PORTL) & 0x8000))
-				cpu_relax();
-			disable_dma();
-			clear_dma_status();
-			ar_outl(0xa0861300, M32R_DMA0CR0_PORTL);
-		}
-	}
-	local_irq_restore(flags);
-#endif	/* ! USE_INT */
-
-	/*
-	 * convert YUV422 to YUV422P
-	 *	+--------------------+
-	 *	|  Y0,Y1,...	     |
-	 *	|  ..............Yn  |
-	 *	+--------------------+
-	 *	|  U0,U1,........Un  |
-	 *	+--------------------+
-	 *	|  V0,V1,........Vn  |
-	 *	+--------------------+
-	 */
-	py = yuv;
-	pu = py + (ar->frame_bytes / 2);
-	pv = pu + (ar->frame_bytes / 4);
-	for (h = 0; h < ar->height; h++) {
-		p = ar->frame[h];
-		for (w = 0; w < ar->line_bytes; w += 4) {
-			*py++ = *p++;
-			*pu++ = *p++;
-			*py++ = *p++;
-			*pv++ = *p++;
-		}
-	}
-	if (copy_to_user(buf, yuv, ar->frame_bytes)) {
-		v4l2_err(&ar->v4l2_dev, "failed while copy_to_user yuv.\n");
-		ret = -EFAULT;
-		goto out_up;
-	}
-	DEBUG(1, "ret = %d\n", ret);
-out_up:
-	mutex_unlock(&ar->lock);
-	return ret;
-}
-
-static int ar_querycap(struct file *file, void  *priv,
-					struct v4l2_capability *vcap)
-{
-	struct ar *ar = video_drvdata(file);
-
-	strlcpy(vcap->driver, ar->vdev.name, sizeof(vcap->driver));
-	strlcpy(vcap->card, "Colour AR VGA", sizeof(vcap->card));
-	strlcpy(vcap->bus_info, "Platform", sizeof(vcap->bus_info));
-	vcap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
-	vcap->capabilities = vcap->device_caps | V4L2_CAP_DEVICE_CAPS;
-	return 0;
-}
-
-static int ar_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
-{
-	if (vin->index > 0)
-		return -EINVAL;
-	strlcpy(vin->name, "Camera", sizeof(vin->name));
-	vin->type = V4L2_INPUT_TYPE_CAMERA;
-	vin->audioset = 0;
-	vin->tuner = 0;
-	vin->std = V4L2_STD_ALL;
-	vin->status = 0;
-	return 0;
-}
-
-static int ar_g_input(struct file *file, void *fh, unsigned int *inp)
-{
-	*inp = 0;
-	return 0;
-}
-
-static int ar_s_input(struct file *file, void *fh, unsigned int inp)
-{
-	return inp ? -EINVAL : 0;
-}
-
-static int ar_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
-{
-	struct ar *ar = video_drvdata(file);
-	struct v4l2_pix_format *pix = &fmt->fmt.pix;
-
-	pix->width = ar->width;
-	pix->height = ar->height;
-	pix->pixelformat = V4L2_PIX_FMT_YUV422P;
-	pix->field = (ar->mode == AR_MODE_NORMAL) ? V4L2_FIELD_NONE : V4L2_FIELD_INTERLACED;
-	pix->bytesperline = ar->width;
-	pix->sizeimage = 2 * ar->width * ar->height;
-	/* Just a guess */
-	pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
-	return 0;
-}
-
-static int ar_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
-{
-	struct ar *ar = video_drvdata(file);
-	struct v4l2_pix_format *pix = &fmt->fmt.pix;
-
-	if (pix->height <= AR_HEIGHT_QVGA || pix->width <= AR_WIDTH_QVGA) {
-		pix->height = AR_HEIGHT_QVGA;
-		pix->width = AR_WIDTH_QVGA;
-		pix->field = V4L2_FIELD_INTERLACED;
-	} else {
-		pix->height = AR_HEIGHT_VGA;
-		pix->width = AR_WIDTH_VGA;
-		pix->field = vga_interlace ? V4L2_FIELD_INTERLACED : V4L2_FIELD_NONE;
-	}
-	pix->pixelformat = V4L2_PIX_FMT_YUV422P;
-	pix->bytesperline = ar->width;
-	pix->sizeimage = 2 * ar->width * ar->height;
-	/* Just a guess */
-	pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
-	return 0;
-}
-
-static int ar_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
-{
-	struct ar *ar = video_drvdata(file);
-	struct v4l2_pix_format *pix = &fmt->fmt.pix;
-	int ret = ar_try_fmt_vid_cap(file, fh, fmt);
-
-	if (ret)
-		return ret;
-	mutex_lock(&ar->lock);
-	ar->width = pix->width;
-	ar->height = pix->height;
-	if (ar->width == AR_WIDTH_VGA) {
-		ar->size = AR_SIZE_VGA;
-		ar->frame_bytes = AR_FRAME_BYTES_VGA;
-		ar->line_bytes = AR_LINE_BYTES_VGA;
-		if (vga_interlace)
-			ar->mode = AR_MODE_INTERLACE;
-		else
-			ar->mode = AR_MODE_NORMAL;
-	} else {
-		ar->size = AR_SIZE_QVGA;
-		ar->frame_bytes = AR_FRAME_BYTES_QVGA;
-		ar->line_bytes = AR_LINE_BYTES_QVGA;
-		ar->mode = AR_MODE_INTERLACE;
-	}
-	/* Ok we figured out what to use from our wide choice */
-	mutex_unlock(&ar->lock);
-	return 0;
-}
-
-static int ar_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
-{
-	static struct v4l2_fmtdesc formats[] = {
-		{ 0, 0, 0,
-		  "YUV 4:2:2 Planar", V4L2_PIX_FMT_YUV422P,
-		  { 0, 0, 0, 0 }
-		},
-	};
-	enum v4l2_buf_type type = fmt->type;
-
-	if (fmt->index > 0)
-		return -EINVAL;
-
-	*fmt = formats[fmt->index];
-	fmt->type = type;
-	return 0;
-}
-
-#if USE_INT
-/*
- * Interrupt handler
- */
-static void ar_interrupt(int irq, void *dev)
-{
-	struct ar *ar = dev;
-	unsigned int line_count;
-	unsigned int line_number;
-	unsigned int arvcr1;
-
-	line_count = ar_inl(ARVHCOUNT);			/* line number */
-	if (ar->mode == AR_MODE_INTERLACE && ar->size == AR_SIZE_VGA) {
-		/* operations for interlace mode */
-		if (line_count < (AR_HEIGHT_VGA / 2))	/* even line */
-			line_number = (line_count << 1);
-		else					/* odd line */
-			line_number =
-			(((line_count - (AR_HEIGHT_VGA / 2)) << 1) + 1);
-	} else {
-		line_number = line_count;
-	}
-
-	if (line_number == 0) {
-		/*
-		 * It is an interrupt for line 0.
-		 * we have to start capture.
-		 */
-		disable_dma();
-#if 0
-		ar_outl(ar->line_buff, M32R_DMA0CDA_PORTL);	/* needless? */
-#endif
-		memcpy(ar->frame[0], ar->line_buff, ar->line_bytes);
-#if 0
-		ar_outl(0xa1861300, M32R_DMA0CR0_PORTL);
-#endif
-		enable_dma();
-		ar->start_capture = 1;			/* during capture */
-		return;
-	}
-
-	if (ar->start_capture == 1 && line_number <= (ar->height - 1)) {
-		disable_dma();
-		memcpy(ar->frame[line_number], ar->line_buff, ar->line_bytes);
-
-		/*
-		 * if captured all line of a frame, disable AR interrupt
-		 * and wake a process up.
-		 */
-		if (line_number == (ar->height - 1)) {	/* end  of line */
-
-			ar->start_capture = 0;
-
-			/* disable AR interrupt request */
-			arvcr1 = ar_inl(ARVCR1);
-			arvcr1 &= ~ARVCR1_HIEN;		/* clear int. flag */
-			ar_outl(arvcr1, ARVCR1);	/* disable */
-			wake_up_interruptible(&ar->wait);
-		} else {
-#if 0
-			ar_outl(ar->line_buff, M32R_DMA0CDA_PORTL);
-			ar_outl(0xa1861300, M32R_DMA0CR0_PORTL);
-#endif
-			enable_dma();
-		}
-	}
-}
-#endif
-
-/*
- * ar_initialize()
- *	ar_initialize() is called by video_register_device() and
- *	initializes AR LSI and peripherals.
- *
- *	-1 is returned in all failures.
- *	0 is returned in success.
- *
- */
-static int ar_initialize(struct ar *ar)
-{
-	unsigned long cr = 0;
-	int i, found = 0;
-
-	DEBUG(1, "ar_initialize:\n");
-
-	/*
-	 * initialize AR LSI
-	 */
-	ar_outl(0, ARVCR0);		/* assert reset of AR LSI */
-	for (i = 0; i < 0x18; i++)	/* wait for over 10 cycles @ 27MHz */
-		cpu_relax();
-	ar_outl(ARVCR0_RST, ARVCR0);	/* negate reset of AR LSI (enable) */
-	for (i = 0; i < 0x40d; i++)	/* wait for over 420 cycles @ 27MHz */
-		cpu_relax();
-
-	/* AR uses INT3 of CPU as interrupt pin. */
-	ar_outl(ARINTSEL_INT3, ARINTSEL);
-
-	if (ar->size == AR_SIZE_QVGA)
-		cr |= ARVCR1_QVGA;
-	if (ar->mode == AR_MODE_NORMAL)
-		cr |= ARVCR1_NORMAL;
-	ar_outl(cr, ARVCR1);
-
-	/*
-	 * Initialize IIC so that CPU can communicate with AR LSI,
-	 * and send boot commands to AR LSI.
-	 */
-	init_iic();
-
-	for (i = 0; i < 0x100000; i++) {	/* > 0xa1d10,  56ms */
-		if ((ar_inl(ARVCR0) & ARVCR0_VDS)) {	/* VSYNC */
-			found = 1;
-			break;
-		}
-	}
-
-	if (found == 0)
-		return -ENODEV;
-
-	v4l2_info(&ar->v4l2_dev, "Initializing ");
-
-	iic(2, 0x78, 0x11, 0x01, 0x00);	/* start */
-	iic(3, 0x78, 0x12, 0x00, 0x06);
-	iic(3, 0x78, 0x12, 0x12, 0x30);
-	iic(3, 0x78, 0x12, 0x15, 0x58);
-	iic(3, 0x78, 0x12, 0x17, 0x30);
-	printk(KERN_CONT ".");
-	iic(3, 0x78, 0x12, 0x1a, 0x97);
-	iic(3, 0x78, 0x12, 0x1b, 0xff);
-	iic(3, 0x78, 0x12, 0x1c, 0xff);
-	iic(3, 0x78, 0x12, 0x26, 0x10);
-	iic(3, 0x78, 0x12, 0x27, 0x00);
-	printk(KERN_CONT ".");
-	iic(2, 0x78, 0x34, 0x02, 0x00);
-	iic(2, 0x78, 0x7a, 0x10, 0x00);
-	iic(2, 0x78, 0x80, 0x39, 0x00);
-	iic(2, 0x78, 0x81, 0xe6, 0x00);
-	iic(2, 0x78, 0x8d, 0x00, 0x00);
-	printk(KERN_CONT ".");
-	iic(2, 0x78, 0x8e, 0x0c, 0x00);
-	iic(2, 0x78, 0x8f, 0x00, 0x00);
-#if 0
-	iic(2, 0x78, 0x90, 0x00, 0x00);	/* AWB on=1 off=0 */
-#endif
-	iic(2, 0x78, 0x93, 0x01, 0x00);
-	iic(2, 0x78, 0x94, 0xcd, 0x00);
-	iic(2, 0x78, 0x95, 0x00, 0x00);
-	printk(KERN_CONT ".");
-	iic(2, 0x78, 0x96, 0xa0, 0x00);
-	iic(2, 0x78, 0x97, 0x00, 0x00);
-	iic(2, 0x78, 0x98, 0x60, 0x00);
-	iic(2, 0x78, 0x99, 0x01, 0x00);
-	iic(2, 0x78, 0x9a, 0x19, 0x00);
-	printk(KERN_CONT ".");
-	iic(2, 0x78, 0x9b, 0x02, 0x00);
-	iic(2, 0x78, 0x9c, 0xe8, 0x00);
-	iic(2, 0x78, 0x9d, 0x02, 0x00);
-	iic(2, 0x78, 0x9e, 0x2e, 0x00);
-	iic(2, 0x78, 0xb8, 0x78, 0x00);
-	iic(2, 0x78, 0xba, 0x05, 0x00);
-#if 0
-	iic(2, 0x78, 0x83, 0x8c, 0x00);	/* brightness */
-#endif
-	printk(KERN_CONT ".");
-
-	/* color correction */
-	iic(3, 0x78, 0x49, 0x00, 0x95);	/* a		*/
-	iic(3, 0x78, 0x49, 0x01, 0x96);	/* b		*/
-	iic(3, 0x78, 0x49, 0x03, 0x85);	/* c		*/
-	iic(3, 0x78, 0x49, 0x04, 0x97);	/* d		*/
-	iic(3, 0x78, 0x49, 0x02, 0x7e);	/* e(Lo)	*/
-	iic(3, 0x78, 0x49, 0x05, 0xa4);	/* f(Lo)	*/
-	iic(3, 0x78, 0x49, 0x06, 0x04);	/* e(Hi)	*/
-	iic(3, 0x78, 0x49, 0x07, 0x04);	/* e(Hi)	*/
-	iic(2, 0x78, 0x48, 0x01, 0x00);	/* on=1 off=0	*/
-
-	printk(KERN_CONT ".");
-	iic(2, 0x78, 0x11, 0x00, 0x00);	/* end */
-	printk(KERN_CONT " done\n");
-	return 0;
-}
-
-
-/****************************************************************************
- *
- * Video4Linux Module functions
- *
- ****************************************************************************/
-
-static const struct v4l2_file_operations ar_fops = {
-	.owner		= THIS_MODULE,
-	.open		= v4l2_fh_open,
-	.release	= v4l2_fh_release,
-	.read		= ar_read,
-	.unlocked_ioctl	= video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops ar_ioctl_ops = {
-	.vidioc_querycap		    = ar_querycap,
-	.vidioc_g_input			    = ar_g_input,
-	.vidioc_s_input			    = ar_s_input,
-	.vidioc_enum_input		    = ar_enum_input,
-	.vidioc_enum_fmt_vid_cap	    = ar_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap		    = ar_g_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap		    = ar_s_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap		    = ar_try_fmt_vid_cap,
-};
-
-#define ALIGN4(x)	((((int)(x)) & 0x3) == 0)
-
-static int __init ar_init(void)
-{
-	struct ar *ar;
-	struct v4l2_device *v4l2_dev;
-	int ret;
-	int i;
-
-	ar = &ardev;
-	v4l2_dev = &ar->v4l2_dev;
-	strlcpy(v4l2_dev->name, "arv", sizeof(v4l2_dev->name));
-	v4l2_info(v4l2_dev, "Colour AR VGA driver %s\n", VERSION);
-
-	ret = v4l2_device_register(NULL, v4l2_dev);
-	if (ret < 0) {
-		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
-		return ret;
-	}
-	ret = -EIO;
-
-#if USE_INT
-	/* allocate a DMA buffer for 1 line.  */
-	ar->line_buff = kmalloc(MAX_AR_LINE_BYTES, GFP_KERNEL | GFP_DMA);
-	if (ar->line_buff == NULL || !ALIGN4(ar->line_buff)) {
-		v4l2_err(v4l2_dev, "buffer allocation failed for DMA.\n");
-		ret = -ENOMEM;
-		goto out_end;
-	}
-#endif
-	/* allocate buffers for a frame */
-	for (i = 0; i < MAX_AR_HEIGHT; i++) {
-		ar->frame[i] = kmalloc(MAX_AR_LINE_BYTES, GFP_KERNEL);
-		if (ar->frame[i] == NULL || !ALIGN4(ar->frame[i])) {
-			v4l2_err(v4l2_dev, "buffer allocation failed for frame.\n");
-			ret = -ENOMEM;
-			goto out_line_buff;
-		}
-	}
-
-	strlcpy(ar->vdev.name, "Colour AR VGA", sizeof(ar->vdev.name));
-	ar->vdev.v4l2_dev = v4l2_dev;
-	ar->vdev.fops = &ar_fops;
-	ar->vdev.ioctl_ops = &ar_ioctl_ops;
-	ar->vdev.release = video_device_release_empty;
-	video_set_drvdata(&ar->vdev, ar);
-
-	if (vga) {
-		ar->width	= AR_WIDTH_VGA;
-		ar->height	= AR_HEIGHT_VGA;
-		ar->size	= AR_SIZE_VGA;
-		ar->frame_bytes = AR_FRAME_BYTES_VGA;
-		ar->line_bytes	= AR_LINE_BYTES_VGA;
-		if (vga_interlace)
-			ar->mode = AR_MODE_INTERLACE;
-		else
-			ar->mode = AR_MODE_NORMAL;
-	} else {
-		ar->width	= AR_WIDTH_QVGA;
-		ar->height	= AR_HEIGHT_QVGA;
-		ar->size	= AR_SIZE_QVGA;
-		ar->frame_bytes = AR_FRAME_BYTES_QVGA;
-		ar->line_bytes	= AR_LINE_BYTES_QVGA;
-		ar->mode	= AR_MODE_INTERLACE;
-	}
-	mutex_init(&ar->lock);
-	init_waitqueue_head(&ar->wait);
-
-#if USE_INT
-	if (request_irq(M32R_IRQ_INT3, ar_interrupt, 0, "arv", ar)) {
-		v4l2_err("request_irq(%d) failed.\n", M32R_IRQ_INT3);
-		ret = -EIO;
-		goto out_irq;
-	}
-#endif
-
-	if (ar_initialize(ar) != 0) {
-		v4l2_err(v4l2_dev, "M64278 not found.\n");
-		ret = -ENODEV;
-		goto out_dev;
-	}
-
-	/*
-	 * ok, we can initialize h/w according to parameters,
-	 * 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 */
-		v4l2_err(v4l2_dev, "register video (Colour AR) failed.\n");
-		ret = -ENODEV;
-		goto out_dev;
-	}
-
-	v4l2_info(v4l2_dev, "%s: Found M64278 VGA (IRQ %d, Freq %dMHz).\n",
-		video_device_node_name(&ar->vdev), M32R_IRQ_INT3, freq);
-
-	return 0;
-
-out_dev:
-#if USE_INT
-	free_irq(M32R_IRQ_INT3, ar);
-
-out_irq:
-#endif
-	for (i = 0; i < MAX_AR_HEIGHT; i++)
-		kfree(ar->frame[i]);
-
-out_line_buff:
-#if USE_INT
-	kfree(ar->line_buff);
-
-out_end:
-#endif
-	v4l2_device_unregister(&ar->v4l2_dev);
-	return ret;
-}
-
-
-static int __init ar_init_module(void)
-{
-	freq = (boot_cpu_data.bus_clock / 1000000);
-	printk(KERN_INFO "arv: Bus clock %d\n", freq);
-	if (freq != 50 && freq != 75)
-		freq = DEFAULT_FREQ;
-	return ar_init();
-}
-
-static void __exit ar_cleanup_module(void)
-{
-	struct ar *ar;
-	int i;
-
-	ar = &ardev;
-	video_unregister_device(&ar->vdev);
-#if USE_INT
-	free_irq(M32R_IRQ_INT3, ar);
-#endif
-	for (i = 0; i < MAX_AR_HEIGHT; i++)
-		kfree(ar->frame[i]);
-#if USE_INT
-	kfree(ar->line_buff);
-#endif
-	v4l2_device_unregister(&ar->v4l2_dev);
-}
-
-module_init(ar_init_module);
-module_exit(ar_cleanup_module);
-
-MODULE_AUTHOR("Takeo Takahashi <takahashi.takeo@renesas.com>");
-MODULE_DESCRIPTION("Colour AR M64278(VGA) for Video4Linux");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(VERSION);