diff options
Diffstat (limited to 'drivers/char/vino.c')
| -rw-r--r-- | drivers/char/vino.c | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/drivers/char/vino.c b/drivers/char/vino.c deleted file mode 100644 index a9ac3086b..000000000 --- a/drivers/char/vino.c +++ /dev/null @@ -1,275 +0,0 @@ -/* $Id: vino.c,v 1.4 1999/02/09 23:59:36 ulfc 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 |