sparc: Kill videopix SBUS driver.

This has been marked BROKEN for a long time and it's more likely
to get rewritten from scratch than to be fixed up and made usable.

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/include/asm/Kbuild

@@ -40,5 +40,4 @@ header-y += reg_64.h
 header-y += traps.h
 header-y += uctx.h
 header-y += utrap.h
-header-y += vfc_ioctls.h
 header-y += watchdog.h

arch/sparc/include/asm/vfc_ioctls.h

@@ -1,58 +0,0 @@
-/* Copyright (c) 1996 by Manish Vachharajani */
-
-#ifndef _LINUX_VFC_IOCTLS_H_
-#define	_LINUX_VFC_IOCTLS_H_
-
-	/* IOCTLs */
-#define VFC_IOCTL(a)          (('j' << 8) | a)
-#define VFCGCTRL	(VFC_IOCTL (0))	        /* get vfc attributes */
-#define VFCSCTRL	(VFC_IOCTL (1))  	/* set vfc attributes */
-#define VFCGVID		(VFC_IOCTL (2)) 	/* get video decoder attributes */
-#define VFCSVID		(VFC_IOCTL (3))	        /* set video decoder attributes */
-#define VFCHUE		(VFC_IOCTL (4))   	/* set hue */
-#define VFCPORTCHG	(VFC_IOCTL (5))  	/* change port */
-#define VFCRDINFO	(VFC_IOCTL (6))  	/* read info */
-
-	/* Options for setting the vfc attributes and status */
-#define MEMPRST		0x1	/* reset FIFO ptr. */
-#define CAPTRCMD	0x2	/* start capture and wait */
-#define DIAGMODE	0x3	/* diag mode */
-#define NORMMODE	0x4	/* normal mode */
-#define CAPTRSTR	0x5	/* start capture */
-#define CAPTRWAIT	0x6	/* wait for capture to finish */
-
-
-	/* Options for the decoder */
-#define STD_NTSC	0x1	/* NTSC mode */
-#define STD_PAL		0x2	/* PAL mode */
-#define COLOR_ON	0x3	/* force color ON */
-#define MONO		0x4	/* force color OFF */
-
-	/* Values returned by ioctl 2 */
-
-#define NO_LOCK	        1
-#define NTSC_COLOR	2
-#define NTSC_NOCOLOR    3
-#define PAL_COLOR	4
-#define PAL_NOCOLOR	5
-
-/* Not too sure what this does yet */
-	/* Options for setting Field number */
-#define ODD_FIELD	0x1
-#define EVEN_FIELD	0x0
-#define ACTIVE_ONLY     0x2
-#define NON_ACTIVE	0x0
-
-/* Debug options */
-#define VFC_I2C_SEND 0
-#define VFC_I2C_RECV 1
-
-struct vfc_debug_inout
-{
-	unsigned long addr;
-	unsigned long ret;
-	unsigned long len;
-	unsigned char __user *buffer;
-};
-
-#endif /* _LINUX_VFC_IOCTLS_H_ */

drivers/sbus/char/Kconfig

@@ -30,15 +30,6 @@ config OBP_FLASH
 	  The OpenBoot PROM on Ultra systems is flashable. If you want to be
 	  able to upgrade the OBP firmware, say Y here.
 
-config SUN_VIDEOPIX
-	tristate "Videopix Frame Grabber (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && (BROKEN || !64BIT)
-	help
-	  Say Y here to support the Videopix Frame Grabber from Sun
-	  Microsystems, commonly found on SPARCstations.  This card, which is
-	  based on the Phillips SAA9051, can handle NTSC and PAL/SECAM and
-	  SVIDEO signals.
-
 config TADPOLE_TS102_UCTRL
 	tristate "Tadpole TS102 Microcontroller support (EXPERIMENTAL)"
 	depends on EXPERIMENTAL && SPARC32

drivers/sbus/char/Makefile

@@ -7,7 +7,6 @@
 # Rewritten to use lists instead of if-statements.
 #
 
-vfc-objs := vfc_dev.o vfc_i2c.o
 bbc-objs := bbc_i2c.o bbc_envctrl.o
 
 obj-$(CONFIG_ENVCTRL)			+= envctrl.o
@@ -17,7 +16,6 @@ obj-$(CONFIG_WATCHDOG_RIO)		+= riowatchdog.o
 obj-$(CONFIG_OBP_FLASH)			+= flash.o
 obj-$(CONFIG_SUN_OPENPROMIO)		+= openprom.o
 obj-$(CONFIG_SUN_MOSTEK_RTC)		+= rtc.o
-obj-$(CONFIG_SUN_VIDEOPIX)		+= vfc.o
 obj-$(CONFIG_TADPOLE_TS102_UCTRL)	+= uctrl.o
 obj-$(CONFIG_SUN_JSFLASH)		+= jsflash.o
 obj-$(CONFIG_BBC_I2C)			+= bbc.o

drivers/sbus/char/vfc.h

@@ -1,171 +0,0 @@
-#ifndef _LINUX_VFC_H_
-#define _LINUX_VFC_H_
-
-/*
- * The control register for the vfc is at offset 0x4000
- * The first field ram bank is located at offset 0x5000
- * The second field ram bank is at offset 0x7000
- * i2c_reg address the Phillips PCF8584(see notes in vfc_i2c.c) 
- *    data and transmit register.
- * i2c_s1 controls register s1 of the PCF8584
- * i2c_write seems to be similar to i2c_write but I am not 
- *    quite sure why sun uses it
- * 
- * I am also not sure whether or not you can read the fram bank as a
- * whole or whether you must read each word individually from offset
- * 0x5000 as soon as I figure it out I will update this file */
-
-struct vfc_regs {
-	char pad1[0x4000];
-	unsigned int control;  /* Offset 0x4000 */
-	char pad2[0xffb];      /* from offset 0x4004 to 0x5000 */
-	unsigned int fram_bank1; /* Offset 0x5000 */
-	char pad3[0xffb];        /* from offset 0x5004 to 0x6000 */
-	unsigned int i2c_reg; /* Offset 0x6000 */
-	unsigned int i2c_magic2; /* Offset 0x6004 */
-	unsigned int i2c_s1;  /* Offset 0x6008 */
-	unsigned int i2c_write; /* Offset 0x600c */
-	char pad4[0xff0];     /* from offset 0x6010 to 0x7000 */
-	unsigned int fram_bank2; /* Offset 0x7000 */
-	char pad5[0x1000];
-};
-
-#define VFC_SAA9051_NR (13)
-#define VFC_SAA9051_ADDR (0x8a)
-	/* The saa9051 returns the following for its status 
-	 * bit 0 - 0
-	 * bit 1 - SECAM color detected (1=found,0=not found)
-	 * bit 2 - COLOR detected (1=found,0=not found)
-	 * bit 3 - 0
-	 * bit 4 - Field frequency bit (1=60Hz (NTSC), 0=50Hz (PAL))
-	 * bit 5 - 1
-	 * bit 6 - horizontal frequency lock (1=transmitter found,
-	 *                                    0=no transmitter)
-	 * bit 7 - Power on reset bit (1=reset,0=at least one successful 
-	 *                                       read of the status byte)
-	 */
-
-#define VFC_SAA9051_PONRES (0x80)
-#define VFC_SAA9051_HLOCK (0x40)
-#define VFC_SAA9051_FD (0x10)
-#define VFC_SAA9051_CD (0x04)
-#define VFC_SAA9051_CS (0x02)
-
-
-/* The various saa9051 sub addresses */
-
-#define VFC_SAA9051_IDEL (0) 
-#define VFC_SAA9051_HSY_START (1)
-#define VFC_SAA9051_HSY_STOP (2)
-#define VFC_SAA9051_HC_START (3)
-#define VFC_SAA9051_HC_STOP (4)
-#define VFC_SAA9051_HS_START (5)
-#define VFC_SAA9051_HORIZ_PEAK (6)
-#define VFC_SAA9051_HUE (7)
-#define VFC_SAA9051_C1 (8)
-#define VFC_SAA9051_C2 (9)
-#define VFC_SAA9051_C3 (0xa)
-#define VFC_SAA9051_SECAM_DELAY (0xb)
-
-
-/* Bit settings for saa9051 sub address 0x06 */
-
-#define VFC_SAA9051_AP1 (0x01)
-#define VFC_SAA9051_AP2 (0x02)
-#define VFC_SAA9051_COR1 (0x04)
-#define VFC_SAA9051_COR2 (0x08)
-#define VFC_SAA9051_BP1 (0x10)
-#define VFC_SAA9051_BP2 (0x20)
-#define VFC_SAA9051_PF (0x40)
-#define VFC_SAA9051_BY (0x80)
-
-
-/* Bit settings for saa9051 sub address 0x08 */
-
-#define VFC_SAA9051_CCFR0 (0x01)
-#define VFC_SAA9051_CCFR1 (0x02)
-#define VFC_SAA9051_YPN (0x04)
-#define VFC_SAA9051_ALT (0x08)
-#define VFC_SAA9051_CO (0x10)
-#define VFC_SAA9051_VTR (0x20)
-#define VFC_SAA9051_FS (0x40)
-#define VFC_SAA9051_HPLL (0x80)
-
-
-/* Bit settings for saa9051 sub address 9 */
-
-#define VFC_SAA9051_SS0 (0x01)
-#define VFC_SAA9051_SS1 (0x02)
-#define VFC_SAA9051_AFCC (0x04)
-#define VFC_SAA9051_CI (0x08)
-#define VFC_SAA9051_SA9D4 (0x10) /* Don't care bit */
-#define VFC_SAA9051_OEC (0x20)
-#define VFC_SAA9051_OEY (0x40)
-#define VFC_SAA9051_VNL (0x80)
-
-
-/* Bit settings for saa9051 sub address 0x0A */
-
-#define VFC_SAA9051_YDL0 (0x01)
-#define VFC_SAA9051_YDL1 (0x02)
-#define VFC_SAA9051_YDL2 (0x04)
-#define VFC_SAA9051_SS2 (0x08)
-#define VFC_SAA9051_SS3 (0x10)
-#define VFC_SAA9051_YC (0x20)
-#define VFC_SAA9051_CT (0x40)
-#define VFC_SAA9051_SYC (0x80)
-
-
-#define VFC_SAA9051_SA(a,b) ((a)->saa9051_state_array[(b)+1])
-#define vfc_update_saa9051(a) (vfc_i2c_sendbuf((a),VFC_SAA9051_ADDR,\
-					    (a)->saa9051_state_array,\
-					    VFC_SAA9051_NR))
-
-
-struct vfc_dev {
-	volatile struct vfc_regs __iomem *regs;
-	struct vfc_regs *phys_regs;
-	unsigned int control_reg;
-	struct mutex device_lock_mtx;
-	int instance;
-	int busy;
-	unsigned long which_io;
-	unsigned char saa9051_state_array[VFC_SAA9051_NR];
-};
-
-void captstat_reset(struct vfc_dev *);
-void memptr_reset(struct vfc_dev *);
-
-int vfc_pcf8584_init(struct vfc_dev *);
-void vfc_i2c_delay_no_busy(struct vfc_dev *, unsigned long);
-void vfc_i2c_delay(struct vfc_dev *);
-int vfc_i2c_sendbuf(struct vfc_dev *, unsigned char, char *, int) ;
-int vfc_i2c_recvbuf(struct vfc_dev *, unsigned char, char *, int) ;
-int vfc_i2c_reset_bus(struct vfc_dev *);
-int vfc_init_i2c_bus(struct vfc_dev *);
-
-#define VFC_CONTROL_DIAGMODE  0x10000000
-#define VFC_CONTROL_MEMPTR    0x20000000
-#define VFC_CONTROL_CAPTURE   0x02000000
-#define VFC_CONTROL_CAPTRESET 0x04000000
-
-#define VFC_STATUS_CAPTURE    0x08000000
-
-#ifdef VFC_IOCTL_DEBUG
-#define VFC_IOCTL_DEBUG_PRINTK(a) printk a
-#else
-#define VFC_IOCTL_DEBUG_PRINTK(a)
-#endif
-
-#ifdef VFC_I2C_DEBUG
-#define VFC_I2C_DEBUG_PRINTK(a) printk a
-#else
-#define VFC_I2C_DEBUG_PRINTK(a)
-#endif
-
-#endif /* _LINUX_VFC_H_ */
-
-
-
-
-

drivers/sbus/char/vfc_dev.c

@@ -1,736 +0,0 @@
-/*
- * drivers/sbus/char/vfc_dev.c
- *
- * Driver for the Videopix Frame Grabber.
- * 
- * In order to use the VFC you need to program the video controller
- * chip. This chip is the Phillips SAA9051.  You need to call their
- * documentation ordering line to get the docs.
- *
- * There is very little documentation on the VFC itself.  There is
- * some useful info that can be found in the manuals that come with
- * the card.  I will hopefully write some better docs at a later date.
- *
- * Copyright (C) 1996 Manish Vachharajani (mvachhar@noc.rutgers.edu)
- * */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/delay.h>
-#include <linux/spinlock.h>
-#include <linux/mutex.h>
-#include <linux/mm.h>
-#include <linux/smp_lock.h>
-
-#include <asm/openprom.h>
-#include <asm/oplib.h>
-#include <asm/io.h>
-#include <asm/system.h>
-#include <asm/sbus.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/uaccess.h>
-
-#define VFC_MAJOR (60)
-
-#if 0
-#define VFC_IOCTL_DEBUG
-#endif
-
-#include "vfc.h"
-#include <asm/vfc_ioctls.h>
-
-static const struct file_operations vfc_fops;
-static struct vfc_dev **vfc_dev_lst;
-static char vfcstr[]="vfc";
-static unsigned char saa9051_init_array[VFC_SAA9051_NR] = {
-	0x00, 0x64, 0x72, 0x52,
-	0x36, 0x18, 0xff, 0x20,
-	0xfc, 0x77, 0xe3, 0x50,
-	0x3e
-};
-
-static void vfc_lock_device(struct vfc_dev *dev)
-{
-	mutex_lock(&dev->device_lock_mtx);
-}
-
-static void vfc_unlock_device(struct vfc_dev *dev)
-{
-	mutex_unlock(&dev->device_lock_mtx);
-}
-
-
-static void vfc_captstat_reset(struct vfc_dev *dev)
-{
-	dev->control_reg |= VFC_CONTROL_CAPTRESET;
-	sbus_writel(dev->control_reg, &dev->regs->control);
-	dev->control_reg &= ~VFC_CONTROL_CAPTRESET;
-	sbus_writel(dev->control_reg, &dev->regs->control);
-	dev->control_reg |= VFC_CONTROL_CAPTRESET;
-	sbus_writel(dev->control_reg, &dev->regs->control);
-}
-
-static void vfc_memptr_reset(struct vfc_dev *dev)
-{
-	dev->control_reg |= VFC_CONTROL_MEMPTR;
-	sbus_writel(dev->control_reg, &dev->regs->control);
-	dev->control_reg &= ~VFC_CONTROL_MEMPTR;
-	sbus_writel(dev->control_reg, &dev->regs->control);
-	dev->control_reg |= VFC_CONTROL_MEMPTR; 
-	sbus_writel(dev->control_reg, &dev->regs->control);
-}
-
-static int vfc_csr_init(struct vfc_dev *dev)
-{
-	dev->control_reg = 0x80000000;
-	sbus_writel(dev->control_reg, &dev->regs->control);
-	udelay(200); 
-	dev->control_reg &= ~0x80000000;
-	sbus_writel(dev->control_reg, &dev->regs->control);
-	udelay(100); 
-	sbus_writel(0x0f000000, &dev->regs->i2c_magic2);
-
-	vfc_memptr_reset(dev);
-
-	dev->control_reg &= ~VFC_CONTROL_DIAGMODE;
-	dev->control_reg &= ~VFC_CONTROL_CAPTURE;
-	dev->control_reg |= 0x40000000;
-	sbus_writel(dev->control_reg, &dev->regs->control);
-
-	vfc_captstat_reset(dev);
-
-	return 0;
-}
-
-static int vfc_saa9051_init(struct vfc_dev *dev)
-{
-	int i;
-
-	for (i = 0; i < VFC_SAA9051_NR; i++)
-		dev->saa9051_state_array[i] = saa9051_init_array[i];
-
-	vfc_i2c_sendbuf(dev,VFC_SAA9051_ADDR,
-			dev->saa9051_state_array, VFC_SAA9051_NR);
-	return 0;
-}
-
-static int init_vfc_hw(struct vfc_dev *dev)
-{
-	vfc_lock_device(dev);
-	vfc_csr_init(dev);
-
-	vfc_pcf8584_init(dev);
-	vfc_init_i2c_bus(dev); /* hopefully this doesn't undo the magic
-				  sun code above*/
-	vfc_saa9051_init(dev);
-	vfc_unlock_device(dev);
-	return 0; 
-}
-
-static int init_vfc_devstruct(struct vfc_dev *dev, int instance)
-{
-	dev->instance=instance;
-	mutex_init(&dev->device_lock_mtx);
-	dev->control_reg=0;
-	dev->busy=0;
-	return 0;
-}
-
-static int init_vfc_device(struct sbus_dev *sdev,struct vfc_dev *dev,
-			   int instance)
-{
-	if(dev == NULL) {
-		printk(KERN_ERR "VFC: Bogus pointer passed\n");
-		return -ENOMEM;
-	}
-	printk("Initializing vfc%d\n",instance);
-	dev->regs = NULL;
-	dev->regs = (volatile struct vfc_regs __iomem *)
-		sbus_ioremap(&sdev->resource[0], 0,
-			     sizeof(struct vfc_regs), vfcstr);
-	dev->which_io = sdev->reg_addrs[0].which_io;
-	dev->phys_regs = (struct vfc_regs *) sdev->reg_addrs[0].phys_addr;
-	if (dev->regs == NULL)
-		return -EIO;
-
-	printk("vfc%d: registers mapped at phys_addr: 0x%lx\n    virt_addr: 0x%lx\n",
-	       instance,(unsigned long)sdev->reg_addrs[0].phys_addr,(unsigned long)dev->regs);
-
-	if (init_vfc_devstruct(dev, instance))
-		return -EINVAL;
-	if (init_vfc_hw(dev))
-		return -EIO;
-	return 0;
-}
-
-
-static struct vfc_dev *vfc_get_dev_ptr(int instance)
-{
-	return vfc_dev_lst[instance];
-}
-
-static DEFINE_SPINLOCK(vfc_dev_lock);
-
-static int vfc_open(struct inode *inode, struct file *file) 
-{
-	struct vfc_dev *dev;
-
-	lock_kernel();
-	spin_lock(&vfc_dev_lock);
-	dev = vfc_get_dev_ptr(iminor(inode));
-	if (dev == NULL) {
-		spin_unlock(&vfc_dev_lock);
-		unlock_kernel();
-		return -ENODEV;
-	}
-	if (dev->busy) {
-		spin_unlock(&vfc_dev_lock);
-		unlock_kernel();
-		return -EBUSY;
-	}
-
-	dev->busy = 1;
-	spin_unlock(&vfc_dev_lock);
-
-	vfc_lock_device(dev);
-	
-	vfc_csr_init(dev);
-	vfc_pcf8584_init(dev);
-	vfc_init_i2c_bus(dev);
-	vfc_saa9051_init(dev);
-	vfc_memptr_reset(dev);
-	vfc_captstat_reset(dev);
-	
-	vfc_unlock_device(dev);
-	unlock_kernel();
-	return 0;
-}
-
-static int vfc_release(struct inode *inode,struct file *file) 
-{
-	struct vfc_dev *dev;
-
-	spin_lock(&vfc_dev_lock);
-	dev = vfc_get_dev_ptr(iminor(inode));
-	if (!dev || !dev->busy) {
-		spin_unlock(&vfc_dev_lock);
-		return -EINVAL;
-	}
-	dev->busy = 0;
-	spin_unlock(&vfc_dev_lock);
-	return 0;
-}
-
-static int vfc_debug(struct vfc_dev *dev, int cmd, void __user *argp)
-{
-	struct vfc_debug_inout inout;
-	unsigned char *buffer;
-
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
-
-	switch(cmd) {
-	case VFC_I2C_SEND:
-		if(copy_from_user(&inout, argp, sizeof(inout)))
-			return -EFAULT;
-
-		buffer = kmalloc(inout.len, GFP_KERNEL);
-		if (buffer == NULL)
-			return -ENOMEM;
-
-		if(copy_from_user(buffer, inout.buffer, inout.len)) {
-			kfree(buffer);
-			return -EFAULT;
-		}
-		
-
-		vfc_lock_device(dev);
-		inout.ret=
-			vfc_i2c_sendbuf(dev,inout.addr & 0xff,
-					buffer,inout.len);
-
-		if (copy_to_user(argp,&inout,sizeof(inout))) {
-			vfc_unlock_device(dev);
-			kfree(buffer);
-			return -EFAULT;
-		}
-		vfc_unlock_device(dev);
-
-		break;
-	case VFC_I2C_RECV:
-		if (copy_from_user(&inout, argp, sizeof(inout)))
-			return -EFAULT;
-
-		buffer = kzalloc(inout.len, GFP_KERNEL);
-		if (buffer == NULL)
-			return -ENOMEM;
-
-		vfc_lock_device(dev);
-		inout.ret=
-			vfc_i2c_recvbuf(dev,inout.addr & 0xff
-					,buffer,inout.len);
-		vfc_unlock_device(dev);
-		
-		if (copy_to_user(inout.buffer, buffer, inout.len)) {
-			kfree(buffer);
-			return -EFAULT;
-		}
-		if (copy_to_user(argp,&inout,sizeof(inout))) {
-			kfree(buffer);
-			return -EFAULT;
-		}
-		kfree(buffer);
-		break;
-	default:
-		return -EINVAL;
-	};
-
-	return 0;
-}
-
-static int vfc_capture_start(struct vfc_dev *dev)
-{
-	vfc_captstat_reset(dev);
-	dev->control_reg = sbus_readl(&dev->regs->control);
-	if((dev->control_reg & VFC_STATUS_CAPTURE)) {
-		printk(KERN_ERR "vfc%d: vfc capture status not reset\n",
-		       dev->instance);
-		return -EIO;
-	}
-
-	vfc_lock_device(dev);
-	dev->control_reg &= ~VFC_CONTROL_CAPTURE;
-	sbus_writel(dev->control_reg, &dev->regs->control);
-	dev->control_reg |= VFC_CONTROL_CAPTURE;
-	sbus_writel(dev->control_reg, &dev->regs->control);
-	dev->control_reg &= ~VFC_CONTROL_CAPTURE;
-	sbus_writel(dev->control_reg, &dev->regs->control);
-	vfc_unlock_device(dev);
-
-	return 0;
-}
-
-static int vfc_capture_poll(struct vfc_dev *dev)
-{
-	int timeout = 1000;
-
-	while (!timeout--) {
-		if (sbus_readl(&dev->regs->control) & VFC_STATUS_CAPTURE)
-			break;
-		vfc_i2c_delay_no_busy(dev, 100);
-	}
-	if(!timeout) {
-		printk(KERN_WARNING "vfc%d: capture timed out\n",
-		       dev->instance);
-		return -ETIMEDOUT;
-	}
-	return 0;
-}
-
-
-
-static int vfc_set_control_ioctl(struct inode *inode, struct file *file, 
-			  struct vfc_dev *dev, unsigned long arg) 
-{
-	int setcmd, ret = 0;
-
-	if (copy_from_user(&setcmd,(void __user *)arg,sizeof(unsigned int)))
-		return -EFAULT;
-
-	VFC_IOCTL_DEBUG_PRINTK(("vfc%d: IOCTL(VFCSCTRL) arg=0x%x\n",
-				dev->instance,setcmd));
-
-	switch(setcmd) {
-	case MEMPRST:
-		vfc_lock_device(dev);
-		vfc_memptr_reset(dev);
-		vfc_unlock_device(dev);
-		ret=0;
-		break;
-	case CAPTRCMD:
-		vfc_capture_start(dev);
-		vfc_capture_poll(dev);
-		break;
-	case DIAGMODE:
-		if(capable(CAP_SYS_ADMIN)) {
-			vfc_lock_device(dev);
-			dev->control_reg |= VFC_CONTROL_DIAGMODE;
-			sbus_writel(dev->control_reg, &dev->regs->control);
-			vfc_unlock_device(dev);
-			ret = 0;
-		} else {
-			ret = -EPERM; 
-		}
-		break;
-	case NORMMODE:
-		vfc_lock_device(dev);
-		dev->control_reg &= ~VFC_CONTROL_DIAGMODE;
-		sbus_writel(dev->control_reg, &dev->regs->control);
-		vfc_unlock_device(dev);
-		ret = 0;
-		break;
-	case CAPTRSTR:
-		vfc_capture_start(dev);
-		ret = 0;
-		break;
-	case CAPTRWAIT:
-		vfc_capture_poll(dev);
-		ret = 0;
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	};
-
-	return ret;
-}
-
-
-static int vfc_port_change_ioctl(struct inode *inode, struct file *file,
-				 struct vfc_dev *dev, unsigned long arg)
-{
-	int ret = 0;
-	int cmd;
-
-	if(copy_from_user(&cmd, (void __user *)arg, sizeof(unsigned int))) {
-		VFC_IOCTL_DEBUG_PRINTK(("vfc%d: User passed bogus pointer to "
-					"vfc_port_change_ioctl\n",
-					dev->instance));
-		return -EFAULT;
-	}
-	
-	VFC_IOCTL_DEBUG_PRINTK(("vfc%d: IOCTL(VFCPORTCHG) arg=0x%x\n",
-				dev->instance, cmd));
-
-	switch(cmd) {
-	case 1:
-	case 2:
-		VFC_SAA9051_SA(dev,VFC_SAA9051_HSY_START) = 0x72; 
-		VFC_SAA9051_SA(dev,VFC_SAA9051_HSY_STOP) = 0x52;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_HC_START) = 0x36;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_HC_STOP) = 0x18;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_HORIZ_PEAK) = VFC_SAA9051_BP2;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_C3) = VFC_SAA9051_CT | VFC_SAA9051_SS3;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_SECAM_DELAY) = 0x3e;
-		break;
-	case 3:
-		VFC_SAA9051_SA(dev,VFC_SAA9051_HSY_START) = 0x3a;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_HSY_STOP) = 0x17;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_HC_START) = 0xfa;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_HC_STOP) = 0xde;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_HORIZ_PEAK) =
-			VFC_SAA9051_BY | VFC_SAA9051_PF | VFC_SAA9051_BP2;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_C3) = VFC_SAA9051_YC;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_SECAM_DELAY) = 0;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_C2) &=
-			~(VFC_SAA9051_SS0 | VFC_SAA9051_SS1);
-		break;
-	default:
-		ret = -EINVAL;
-		return ret;
-		break;
-	}
-
-	switch(cmd) {
-	case 1:
-		VFC_SAA9051_SA(dev,VFC_SAA9051_C2) |=
-			(VFC_SAA9051_SS0 | VFC_SAA9051_SS1);
-		break;
-	case 2:
-		VFC_SAA9051_SA(dev,VFC_SAA9051_C2) &=
-			~(VFC_SAA9051_SS0 | VFC_SAA9051_SS1);
-		VFC_SAA9051_SA(dev,VFC_SAA9051_C2) |= VFC_SAA9051_SS0; 
-		break;
-	case 3:
-		break;
-	default:
-		ret = -EINVAL;
-		return ret;
-		break;
-	}
-	VFC_SAA9051_SA(dev,VFC_SAA9051_C3) &= ~(VFC_SAA9051_SS2);
-	ret=vfc_update_saa9051(dev);
-	udelay(500);
-	VFC_SAA9051_SA(dev,VFC_SAA9051_C3) |= (VFC_SAA9051_SS2);
-	ret=vfc_update_saa9051(dev);
-	return ret;
-}
-
-static int vfc_set_video_ioctl(struct inode *inode, struct file *file,
-			       struct vfc_dev *dev, unsigned long arg)
-{
-	int ret = 0;
-	int cmd;
-
-	if(copy_from_user(&cmd, (void __user *)arg, sizeof(unsigned int))) {
-		VFC_IOCTL_DEBUG_PRINTK(("vfc%d: User passed bogus pointer to "
-					"vfc_set_video_ioctl\n",
-					dev->instance));
-		return ret;
-	}
-	
-	VFC_IOCTL_DEBUG_PRINTK(("vfc%d: IOCTL(VFCSVID) arg=0x%x\n",
-				dev->instance, cmd));
-	switch(cmd) {
-	case STD_NTSC:
-		VFC_SAA9051_SA(dev,VFC_SAA9051_C1) &= ~VFC_SAA9051_ALT;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_C1) |= VFC_SAA9051_YPN | 
-			VFC_SAA9051_CCFR0 | VFC_SAA9051_CCFR1 | VFC_SAA9051_FS;
-		ret = vfc_update_saa9051(dev);
-		break;
-	case STD_PAL:
-		VFC_SAA9051_SA(dev,VFC_SAA9051_C1) &= ~(VFC_SAA9051_YPN | 
-							VFC_SAA9051_CCFR1 | 
-							VFC_SAA9051_CCFR0 |
-							VFC_SAA9051_FS);
-		VFC_SAA9051_SA(dev,VFC_SAA9051_C1) |= VFC_SAA9051_ALT;
-		ret = vfc_update_saa9051(dev);
-		break;
-
-	case COLOR_ON:
-		VFC_SAA9051_SA(dev,VFC_SAA9051_C1) |= VFC_SAA9051_CO;
-		VFC_SAA9051_SA(dev,VFC_SAA9051_HORIZ_PEAK) &=
-			~(VFC_SAA9051_BY | VFC_SAA9051_PF);
-		ret = vfc_update_saa9051(dev);
-		break;
-	case MONO:
-		VFC_SAA9051_SA(dev,VFC_SAA9051_C1) &= ~(VFC_SAA9051_CO);
-		VFC_SAA9051_SA(dev,VFC_SAA9051_HORIZ_PEAK) |=
-			(VFC_SAA9051_BY | VFC_SAA9051_PF);
-		ret = vfc_update_saa9051(dev);
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	};
-
-	return ret;
-}
-
-static int vfc_get_video_ioctl(struct inode *inode, struct file *file,
-			       struct vfc_dev *dev, unsigned long arg)
-{
-	int ret = 0;
-	unsigned int status = NO_LOCK;
-	unsigned char buf[1];
-
-	if(vfc_i2c_recvbuf(dev, VFC_SAA9051_ADDR, buf, 1)) {
-		printk(KERN_ERR "vfc%d: Unable to get status\n",
-		       dev->instance);
-		return -EIO;
-	}
-
-	if(buf[0] & VFC_SAA9051_HLOCK) {
-		status = NO_LOCK;
-	} else if(buf[0] & VFC_SAA9051_FD) {
-		if(buf[0] & VFC_SAA9051_CD)
-			status = NTSC_COLOR;
-		else
-			status = NTSC_NOCOLOR;
-	} else {
-		if(buf[0] & VFC_SAA9051_CD)
-			status = PAL_COLOR;
-		else
-			status = PAL_NOCOLOR;
-	}
-	VFC_IOCTL_DEBUG_PRINTK(("vfc%d: IOCTL(VFCGVID) returning status 0x%x; "
-				"buf[0]=%x\n", dev->instance, status, buf[0]));
-
-	if (copy_to_user((void __user *)arg,&status,sizeof(unsigned int))) {
-		VFC_IOCTL_DEBUG_PRINTK(("vfc%d: User passed bogus pointer to "
-					"vfc_get_video_ioctl\n",
-					dev->instance));
-		return ret;
-	}
-	return ret;
-}
-
-static int vfc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-	      unsigned long arg) 
-{
-	int ret = 0;
-	unsigned int tmp;
-	struct vfc_dev *dev;
-	void __user *argp = (void __user *)arg;
-
-	dev = vfc_get_dev_ptr(iminor(inode));
-	if(dev == NULL)
-		return -ENODEV;
-	
-	switch(cmd & 0x0000ffff) {
-	case VFCGCTRL:
-#if 0
-		VFC_IOCTL_DEBUG_PRINTK(("vfc%d: IOCTL(VFCGCTRL)\n", dev->instance));
-#endif
-		tmp = sbus_readl(&dev->regs->control);
-		if(copy_to_user(argp, &tmp, sizeof(unsigned int))) {
-			ret = -EFAULT;
-			break;
-		}
-		ret = 0;
-		break;
-	case VFCSCTRL:
-		ret = vfc_set_control_ioctl(inode, file, dev, arg);
-		break;
-	case VFCGVID:
-		ret = vfc_get_video_ioctl(inode, file, dev, arg);
-		break;
-	case VFCSVID:
-		ret = vfc_set_video_ioctl(inode, file, dev, arg);
-		break;
-	case VFCHUE:
-		VFC_IOCTL_DEBUG_PRINTK(("vfc%d: IOCTL(VFCHUE)\n", dev->instance));
-		if(copy_from_user(&tmp,argp,sizeof(unsigned int))) {
-			VFC_IOCTL_DEBUG_PRINTK(("vfc%d: User passed bogus pointer "
-						"to IOCTL(VFCHUE)", dev->instance));
-			ret = -EFAULT;
-		} else {
-			VFC_SAA9051_SA(dev,VFC_SAA9051_HUE) = tmp;
-			vfc_update_saa9051(dev);
-			ret = 0;
-		}
-		break;
-	case VFCPORTCHG:
-		ret = vfc_port_change_ioctl(inode, file, dev, arg);
-		break;
-	case VFCRDINFO:
-		ret = -EINVAL;
-		VFC_IOCTL_DEBUG_PRINTK(("vfc%d: IOCTL(VFCRDINFO)\n", dev->instance));
-		break;
-	default:
-		ret = vfc_debug(vfc_get_dev_ptr(iminor(inode)), cmd, argp);
-		break;
-	};
-
-	return ret;
-}
-
-static int vfc_mmap(struct file *file, struct vm_area_struct *vma) 
-{
-	unsigned int map_size, ret, map_offset;
-	struct vfc_dev *dev;
-	
-	dev = vfc_get_dev_ptr(iminor(file->f_path.dentry->d_inode));
-	if(dev == NULL)
-		return -ENODEV;
-
-	map_size = vma->vm_end - vma->vm_start;
-	if(map_size > sizeof(struct vfc_regs)) 
-		map_size = sizeof(struct vfc_regs);
-
-	vma->vm_flags |=
-		(VM_MAYREAD | VM_MAYWRITE | VM_MAYSHARE);
-	map_offset = (unsigned int) (long)dev->phys_regs;
-	ret = io_remap_pfn_range(vma, vma->vm_start,
-				  MK_IOSPACE_PFN(dev->which_io,
-					map_offset >> PAGE_SHIFT),
-				  map_size, vma->vm_page_prot);
-
-	if(ret)
-		return -EAGAIN;
-
-	return 0;
-}
-
-
-static const struct file_operations vfc_fops = {
-	.owner =	THIS_MODULE,
-	.llseek =	no_llseek,
-	.ioctl =	vfc_ioctl,
-	.mmap =		vfc_mmap,
-	.open =		vfc_open,
-	.release =	vfc_release,
-};
-
-static int vfc_probe(void)
-{
-	struct sbus_bus *sbus;
-	struct sbus_dev *sdev = NULL;
-	int ret;
-	int instance = 0, cards = 0;
-
-	for_all_sbusdev(sdev, sbus) {
-		if (strcmp(sdev->prom_name, "vfc") == 0) {
-			cards++;
-			continue;
-		}
-	}
-
-	if (!cards)
-		return -ENODEV;
-
-	vfc_dev_lst = kcalloc(cards + 1, sizeof(struct vfc_dev*), GFP_KERNEL);
-	if (vfc_dev_lst == NULL)
-		return -ENOMEM;
-	vfc_dev_lst[cards] = NULL;
-
-	ret = register_chrdev(VFC_MAJOR, vfcstr, &vfc_fops);
-	if(ret) {
-		printk(KERN_ERR "Unable to get major number %d\n", VFC_MAJOR);
-		kfree(vfc_dev_lst);
-		return -EIO;
-	}
-	instance = 0;
-	for_all_sbusdev(sdev, sbus) {
-		if (strcmp(sdev->prom_name, "vfc") == 0) {
-			vfc_dev_lst[instance]=(struct vfc_dev *)
-				kmalloc(sizeof(struct vfc_dev), GFP_KERNEL);
-			if (vfc_dev_lst[instance] == NULL)
-				return -ENOMEM;
-			ret = init_vfc_device(sdev,
-					      vfc_dev_lst[instance],
-					      instance);
-			if(ret) {
-				printk(KERN_ERR "Unable to initialize"
-				       " vfc%d device\n",
-				       instance);
-			} else {
-			}
-		
-			instance++;
-			continue;
-		}
-	}
-
-	return 0;
-}
-
-#ifdef MODULE
-int init_module(void)
-#else 
-int vfc_init(void)
-#endif
-{
-	return vfc_probe();
-}
-
-#ifdef MODULE
-static void deinit_vfc_device(struct vfc_dev *dev)
-{
-	if(dev == NULL)
-		return;
-	sbus_iounmap(dev->regs, sizeof(struct vfc_regs));
-	kfree(dev);
-}
-
-void cleanup_module(void)
-{
-	struct vfc_dev **devp;
-
-	unregister_chrdev(VFC_MAJOR,vfcstr);
-
-	for (devp = vfc_dev_lst; *devp; devp++)
-		deinit_vfc_device(*devp);
-
-	kfree(vfc_dev_lst);
-	return;
-}
-#endif
-
-MODULE_LICENSE("GPL");
-

drivers/sbus/char/vfc_i2c.c

@@ -1,335 +0,0 @@
-/*
- * drivers/sbus/char/vfc_i2c.c
- *
- * Driver for the Videopix Frame Grabber.
- * 
- * Functions that support the Phillips i2c(I squared C) bus on the vfc
- *  Documentation for the Phillips I2C bus can be found on the 
- *  phillips home page
- *
- * Copyright (C) 1996 Manish Vachharajani (mvachhar@noc.rutgers.edu)
- *
- */
-
-/* NOTE: It seems to me that the documentation regarding the
-pcd8584t/pcf8584 does not show the correct way to address the i2c bus.
-Based on the information on the I2C bus itself and the remainder of
-the Phillips docs the following algorithms appear to be correct.  I am
-fairly certain that the flowcharts in the phillips docs are wrong. */
-
-
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#include <linux/delay.h>
-#include <asm/openprom.h>
-#include <asm/oplib.h>
-#include <asm/io.h>
-#include <asm/system.h>
-#include <asm/sbus.h>
-
-#if 0 
-#define VFC_I2C_DEBUG
-#endif
-
-#include "vfc.h"
-#include "vfc_i2c.h"
-
-#define WRITE_S1(__val) \
-	sbus_writel(__val, &dev->regs->i2c_s1)
-#define WRITE_REG(__val) \
-	sbus_writel(__val, &dev->regs->i2c_reg)
-
-#define VFC_I2C_READ (0x1)
-#define VFC_I2C_WRITE (0x0)
-     
-/****** 
-  The i2c bus controller chip on the VFC is a pcd8584t, but
-  phillips claims it doesn't exist.  As far as I can tell it is
-  identical to the PCF8584 so I treat it like it is the pcf8584.
-  
-  NOTE: The pcf8584 only cares
-  about the msb of the word you feed it 
-*****/
-
-int vfc_pcf8584_init(struct vfc_dev *dev) 
-{
-	/* This will also choose register S0_OWN so we can set it. */
-	WRITE_S1(RESET);
-
-	/* The pcf8584 shifts this value left one bit and uses
-	 * it as its i2c bus address.
-	 */
-	WRITE_REG(0x55000000);
-
-	/* This will set the i2c bus at the same speed sun uses,
-	 * and set another magic bit.
-	 */
-	WRITE_S1(SELECT(S2));
-	WRITE_REG(0x14000000);
-	
-	/* Enable the serial port, idle the i2c bus and set
-	 * the data reg to s0.
-	 */
-	WRITE_S1(CLEAR_I2C_BUS);
-	udelay(100);
-	return 0;
-}
-
-void vfc_i2c_delay_no_busy(struct vfc_dev *dev, unsigned long usecs) 
-{
-	schedule_timeout_uninterruptible(usecs_to_jiffies(usecs));
-}
-
-void inline vfc_i2c_delay(struct vfc_dev *dev) 
-{ 
-	vfc_i2c_delay_no_busy(dev, 100);
-}
-
-int vfc_init_i2c_bus(struct vfc_dev *dev)
-{
-	WRITE_S1(ENABLE_SERIAL | SELECT(S0) | ACK);
-	vfc_i2c_reset_bus(dev);
-	return 0;
-}
-
-int vfc_i2c_reset_bus(struct vfc_dev *dev) 
-{
-	VFC_I2C_DEBUG_PRINTK((KERN_DEBUG "vfc%d: Resetting the i2c bus\n",
-			      dev->instance));
-	if(dev == NULL)
-		return -EINVAL;
-	if(dev->regs == NULL)
-		return -EINVAL;
-	WRITE_S1(SEND_I2C_STOP);
-	WRITE_S1(SEND_I2C_STOP | ACK);
-	vfc_i2c_delay(dev);
-	WRITE_S1(CLEAR_I2C_BUS);
-	VFC_I2C_DEBUG_PRINTK((KERN_DEBUG "vfc%d: I2C status %x\n",
-			      dev->instance,
-			      sbus_readl(&dev->regs->i2c_s1)));
-	return 0;
-}
-
-static int vfc_i2c_wait_for_bus(struct vfc_dev *dev)
-{
-	int timeout = 1000; 
-
-	while(!(sbus_readl(&dev->regs->i2c_s1) & BB)) {
-		if(!(timeout--))
-			return -ETIMEDOUT;
-		vfc_i2c_delay(dev);
-	}
-	return 0;
-}
-
-static int vfc_i2c_wait_for_pin(struct vfc_dev *dev, int ack)
-{
-	int timeout = 1000; 
-	int s1;
-
-	while ((s1 = sbus_readl(&dev->regs->i2c_s1)) & PIN) {
-		if (!(timeout--))
-			return -ETIMEDOUT;
-		vfc_i2c_delay(dev);
-	}
-	if (ack == VFC_I2C_ACK_CHECK) {
-		if(s1 & LRB)
-			return -EIO; 
-	}
-	return 0;
-}
-
-#define SHIFT(a) ((a) << 24)
-static int vfc_i2c_xmit_addr(struct vfc_dev *dev, unsigned char addr,
-			     char mode)
-{ 
-	int ret, raddr;
-#if 1
-	WRITE_S1(SEND_I2C_STOP | ACK);
-	WRITE_S1(SELECT(S0) | ENABLE_SERIAL);
-	vfc_i2c_delay(dev);
-#endif
-
-	switch(mode) {
-	case VFC_I2C_READ:
-		raddr = SHIFT(((unsigned int)addr | 0x1));
-		WRITE_REG(raddr);
-		VFC_I2C_DEBUG_PRINTK(("vfc%d: receiving from i2c addr 0x%x\n",
-				      dev->instance, addr | 0x1));
-		break;
-	case VFC_I2C_WRITE:
-		raddr = SHIFT((unsigned int)addr & ~0x1);
-		WRITE_REG(raddr);
-		VFC_I2C_DEBUG_PRINTK(("vfc%d: sending to i2c addr 0x%x\n",
-				      dev->instance, addr & ~0x1));
-		break;
-	default:
-		return -EINVAL;
-	};
-
-	WRITE_S1(SEND_I2C_START);
-	vfc_i2c_delay(dev);
-	ret = vfc_i2c_wait_for_pin(dev,VFC_I2C_ACK_CHECK); /* We wait
-							      for the
-							      i2c send
-							      to finish
-							      here but
-							      Sun
-							      doesn't,
-							      hmm */
-	if (ret) {
-		printk(KERN_ERR "vfc%d: VFC xmit addr timed out or no ack\n",
-		       dev->instance);
-		return ret;
-	} else if (mode == VFC_I2C_READ) {
-		if ((ret = sbus_readl(&dev->regs->i2c_reg) & 0xff000000) != raddr) {
-			printk(KERN_WARNING 
-			       "vfc%d: returned slave address "
-			       "mismatch(%x,%x)\n",
-			       dev->instance, raddr, ret);
-		}
-	}	
-	return 0;
-}
-
-static int vfc_i2c_xmit_byte(struct vfc_dev *dev,unsigned char *byte)
-{
-	int ret;
-	u32 val = SHIFT((unsigned int)*byte);
-
-	WRITE_REG(val);
-
-	ret = vfc_i2c_wait_for_pin(dev, VFC_I2C_ACK_CHECK); 
-	switch(ret) {
-	case -ETIMEDOUT: 
-		printk(KERN_ERR "vfc%d: VFC xmit byte timed out or no ack\n",
-		       dev->instance);
-		break;
-	case -EIO:
-		ret = XMIT_LAST_BYTE;
-		break;
-	default:
-		break;
-	};
-
-	return ret;
-}
-
-static int vfc_i2c_recv_byte(struct vfc_dev *dev, unsigned char *byte,
-			     int last)
-{
-	int ret;
-
-	if (last) {
-		WRITE_REG(NEGATIVE_ACK);
-		VFC_I2C_DEBUG_PRINTK(("vfc%d: sending negative ack\n",
-				      dev->instance));
-	} else {
-		WRITE_S1(ACK);
-	}
-
-	ret = vfc_i2c_wait_for_pin(dev, VFC_I2C_NO_ACK_CHECK);
-	if(ret) {
-		printk(KERN_ERR "vfc%d: "
-		       "VFC recv byte timed out\n",
-		       dev->instance);
-	}
-	*byte = (sbus_readl(&dev->regs->i2c_reg)) >> 24;
-	return ret;
-}
-
-int vfc_i2c_recvbuf(struct vfc_dev *dev, unsigned char addr,
-		    char *buf, int count)
-{
-	int ret, last;
-
-	if(!(count && buf && dev && dev->regs) )
-		return -EINVAL;
-
-	if ((ret = vfc_i2c_wait_for_bus(dev))) {
-		printk(KERN_ERR "vfc%d: VFC I2C bus busy\n", dev->instance);
-		return ret;
-	}
-
-	if ((ret = vfc_i2c_xmit_addr(dev, addr, VFC_I2C_READ))) {
-		WRITE_S1(SEND_I2C_STOP);
-		vfc_i2c_delay(dev);
-		return ret;
-	}
-	
-	last = 0;
-	while (count--) {
-		if (!count)
-			last = 1;
-		if ((ret = vfc_i2c_recv_byte(dev, buf, last))) {
-			printk(KERN_ERR "vfc%d: "
-			       "VFC error while receiving byte\n",
-			       dev->instance);
-			WRITE_S1(SEND_I2C_STOP);
-			ret = -EINVAL;
-		}
-		buf++;
-	}
-	WRITE_S1(SEND_I2C_STOP | ACK);
-	vfc_i2c_delay(dev);
-	return ret;
-}
-
-int vfc_i2c_sendbuf(struct vfc_dev *dev, unsigned char addr, 
-		    char *buf, int count) 
-{
-	int ret;
-	
-	if (!(buf && dev && dev->regs))
-		return -EINVAL;
-	
-	if ((ret = vfc_i2c_wait_for_bus(dev))) {
-		printk(KERN_ERR "vfc%d: VFC I2C bus busy\n", dev->instance);
-		return ret;
-	}
-	
-	if ((ret = vfc_i2c_xmit_addr(dev, addr, VFC_I2C_WRITE))) {
-		WRITE_S1(SEND_I2C_STOP);
-		vfc_i2c_delay(dev);
-		return ret;
-	}
-	
-	while(count--) {
-		ret = vfc_i2c_xmit_byte(dev, buf);
-		switch(ret) {
-		case XMIT_LAST_BYTE:
-			VFC_I2C_DEBUG_PRINTK(("vfc%d: "
-					      "Receiver ended transmission with "
-					      " %d bytes remaining\n",
-					      dev->instance, count));
-			ret = 0;
-			goto done;
-			break;
-		case 0:
-			break;
-		default:
-			printk(KERN_ERR "vfc%d: "
-			       "VFC error while sending byte\n", dev->instance);
-			break;
-		};
-
-		buf++;
-	}
-done:
-	WRITE_S1(SEND_I2C_STOP | ACK);
-	vfc_i2c_delay(dev);
-	return ret;
-}
-
-
-
-
-
-
-
-
-

drivers/sbus/char/vfc_i2c.h

@@ -1,44 +0,0 @@
-#ifndef _LINUX_VFC_I2C_H_
-#define _LINUX_VFC_I2C_H_
-
-/* control bits */
-#define PIN  (0x80000000)
-#define ESO  (0x40000000)
-#define ES1  (0x20000000)
-#define ES2  (0x10000000)
-#define ENI  (0x08000000)
-#define STA  (0x04000000)
-#define STO  (0x02000000)
-#define ACK  (0x01000000)
-
-/* status bits */
-#define STS  (0x20000000)
-#define BER  (0x10000000)
-#define LRB  (0x08000000)
-#define AAS  (0x04000000)
-#define LAB  (0x02000000)
-#define BB   (0x01000000)
-
-#define SEND_I2C_START (PIN | ESO | STA)
-#define SEND_I2C_STOP (PIN | ESO | STO)
-#define CLEAR_I2C_BUS (PIN | ESO | ACK)
-#define NEGATIVE_ACK ((ESO) & ~ACK)
-
-#define SELECT(a) (a)
-#define S0 (PIN | ESO | ES1)
-#define S0_OWN (PIN)
-#define S2 (PIN | ES1)
-#define S3 (PIN | ES2)
-
-#define ENABLE_SERIAL (PIN | ESO)
-#define DISABLE_SERIAL (PIN)
-#define RESET (PIN)
-
-#define XMIT_LAST_BYTE (1)
-#define VFC_I2C_ACK_CHECK (1)
-#define VFC_I2C_NO_ACK_CHECK (0)
-
-#endif /* _LINUX_VFC_I2C_H_ */
-
-
-