patch-2.4.0-test7 linux/drivers/char/vino.c

• Lines: 276
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.0-test6/linux/drivers/char/vino.c
• Orig date: Sat Feb 26 22:31:45 2000

diff -u --recursive --new-file v2.4.0-test6/linux/drivers/char/vino.c linux/drivers/char/vino.c
@@ -1,275 +0,0 @@
-/* $Id: vino.c,v 1.5 1999/10/09 00:01:14 ralf Exp $
- * drivers/char/vino.c
- *
- * (incomplete) Driver for the Vino Video input system found in SGI Indys.
- *
- * Copyright (C) 1999 Ulf Carlsson (ulfc@bun.falkenberg.se)
- *
- * This isn't complete yet, please don't expect any video until I've written
- * some more code.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/errno.h>
-#include <linux/videodev.h>
-
-#include <asm/addrspace.h>
-#include <asm/system.h>
-
-#include "vino.h"
-
-struct vino_device {
-	struct video_device vdev;
-
-	unsigned long chan;
-#define VINO_CHAN_A		0
-#define VINO_CHAN_B		1
-
-	unsigned long flags;
-#define VINO_DMA_ACTIVE		(1<<0)
-};
-
-/* We can actually receive TV and IndyCam input at the same time. Believe it or
- * not..
- */
-static struct vino_device vino[2];
-
-/* Those registers have to be accessed by either *one* 64 bit write or *one* 64
- * bit read. We need some asm to fix this. We can't use mips3 as standard
- * because we just save 32 bits at context switch.
- */
-
-static __inline__ unsigned long long vino_reg_read(unsigned long addr)
-{
-	unsigned long long ret __attribute__ ((aligned (64)));
-	unsigned long virt_addr = KSEG1ADDR(addr + VINO_BASE);
-	unsigned long flags;
-
-	save_and_cli(flags);
-	__asm__ __volatile__(
-		".set\tmips3\n\t"
-		".set\tnoat\n\t"
-		"ld\t$1,(%0)\n\t"
-		"sd\t$1,(%1)\n\t"
-		".set\tat\n\t"
-		".set\tmips0"
-		:
-		:"r" (virt_addr),
-		 "r" (&ret)
-		:"$1");
-	restore_flags(flags);
-
-	return ret;
-}
-
-static __inline__ void vino_reg_write(unsigned long long value,
-				      unsigned long addr)
-{
-	unsigned long virt_addr = KSEG1ADDR(addr + VINO_BASE);
-	unsigned long flags;
-
-	/* we might lose the upper parts of the registers which are not saved
-	 * if there comes an interrupt in our way, play safe */
-
-	save_and_cli(flags);
-	__asm__ __volatile__(
-		".set\tmips3\n\t"
-		".set\tnoat\n\t"
-		"ld\t$1,(%0)\n\t"
-		"sd\t$1,(%1)\n\t"
-		".set\tat\n\t"
-		".set\tmips0"
-		:
-		:"r" (&value),
-		 "r" (virt_addr)
-		:"$1");
-	restore_flags(flags);
-}
-
-static __inline__ void vino_reg_and(unsigned long long value,
-				    unsigned long addr)
-{
-	unsigned long virt_addr = KSEG1ADDR(addr + VINO_BASE);
-	unsigned long flags;
-
-	save_and_cli(flags);
-	__asm__ __volatile__(
-		".set\tmips3\n\t"
-		".set\tnoat\n\t"
-		"ld\t$1,(%0)\n\t"
-		"ld\t$2,(%1)\n\t"
-		"and\t$1,$1,$2\n\t"
-		"sd\t$1,(%0)\n\t"
-		".set\tat\n\t"
-		".set\tmips0"
-		:
-		:"r" (virt_addr),
-		 "r" (&value)
-		:"$1","$2");
-	restore_flags(flags);
-}
-
-static __inline__ void vino_reg_or(unsigned long long value,
-				   unsigned long addr)
-{
-	unsigned long virt_addr = KSEG1ADDR(addr + VINO_BASE);
-	unsigned long flags;
-
-	save_and_cli(flags);
-	__asm__ __volatile__(
-		".set\tmips3\n\t"
-		".set\tnoat\n\t"
-		"ld\t$1,(%0)\n\t"
-		"ld\t$2,(%1)\n\t"
-		"or\t$1,$1,$2\n\t"
-		"sd\t$1,(%0)\n\t"
-		".set\tat\n\t"
-		".set\tmips0"
-		:
-		:"r" (virt_addr),
-		 "r" (&value)
-		:"$1","$2");
-	restore_flags(flags);
-}
-
-static int vino_dma_setup(void)
-{
-	return 0;
-}
-
-static void vino_dma_stop(void)
-{
-
-}
-
-static int vino_init(void)
-{
-	unsigned long ret;
-	unsigned short rev, id;
-	unsigned long long foo;
-	unsigned long *bar;
-
-	bar = (unsigned long *) &foo;
-
-	ret = vino_reg_read(VINO_REVID);
-
-	rev = (ret & VINO_REVID_REV_MASK);
-	id = (ret & VINO_REVID_ID_MASK) >> 4;
-
-	printk("Vino: ID:%02hx Rev:%02hx\n", id, rev);
-
-	foo = vino_reg_read(VINO_A_DESC_DATA0);
-	printk("0x%lx", bar[0]);
-	printk("%lx ", bar[1]);
-	foo = vino_reg_read(VINO_A_DESC_DATA1);
-	printk("0x%lx", bar[0]);
-	printk("%lx ", bar[1]);
-	foo = vino_reg_read(VINO_A_DESC_DATA2);
-	printk("0x%lx", bar[0]);
-	printk("%lx ", bar[1]);
-	foo = vino_reg_read(VINO_A_DESC_DATA3);
-	printk("0x%lx", bar[0]);
-	printk("%lx\n", bar[1]);
-	foo = vino_reg_read(VINO_B_DESC_DATA0);
-	printk("0x%lx", bar[0]);
-	printk("%lx ", bar[1]);
-	foo = vino_reg_read(VINO_B_DESC_DATA1);
-	printk("0x%lx", bar[0]);
-	printk("%lx ", bar[1]);
-	foo = vino_reg_read(VINO_B_DESC_DATA2);
-	printk("0x%lx", bar[0]);
-	printk("%lx ", bar[1]);
-	foo = vino_reg_read(VINO_B_DESC_DATA3);
-	printk("0x%lx", bar[0]);
-	printk("%lx\n", bar[1]);
-
-	return 0;
-}
-
-static void vino_dma_go(struct vino_device *v)
-{
-	
-}
-
-/* Reset the vino back to default state */
-
-static void vino_setup(struct vino_device *v)
-{
-	
-}
-
-static int vino_open(struct video_device *dev, int flags)
-{
-	MOD_INC_USE_COUNT;
-	return 0;
-}
-
-static void vino_close(struct video_device *dev)
-{
-	MOD_DEC_USE_COUNT;
-}
-
-static int vino_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
-{
-	return 0;
-}
-
-static int vino_mmap(struct video_device *dev, const char *adr,
-		     unsigned long size)
-{
-	return 0;
-}
-
-static struct video_device vino_dev = {
-	"Vino IndyCam/TV",
-	VID_TYPE_CAPTURE,
-	VID_HARDWARE_VINO,
-	vino_open,
-	vino_close,
-	NULL,		/* vino_read */
-	NULL,		/* vino_write */
-	NULL,		/* vino_poll */
-	vino_ioctl,
-	vino_mmap,
-	NULL,		/* vino_init */
-	NULL,
-	0,
-	0
-};
-
-int __init init_vino(struct video_device *dev)
-{
-	int err;
-
-	err = vino_init();
-	if (err)
-		return err;
-
-#if 0
-	if (video_register_device(&vinodev, VFL_TYPE_GRABBER) == -1) {
-		return -ENODEV;
-	}
-#endif
-
-	return 0;
-}
-
-#ifdef MODULE
-int init_module(void)
-{
-	int err;
-
-	err = vino_init();
-	if (err)
-		return err;
-
-	return 0;
-}
-
-void cleanup_module(void)
-{
-}
-#endif