V4L/DVB (8485): v4l-dvb: remove broken PlanB driver
Adrian Bunk [Fri, 25 Jul 2008 07:26:31 +0000 (04:26 -0300)]
The PlanB driver has been broken since around May 2004. No one stepped
in to maintain it, so it is now being removed.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Michel Lanners <mlan@cpu.lu>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/Kconfig
drivers/media/video/Makefile
drivers/media/video/planb.c
drivers/media/video/planb.h
drivers/media/video/saa7196.h

index 2a747db..d4a6e56 100644 (file)
@@ -487,17 +487,6 @@ config VIDEO_PMS
          To compile this driver as a module, choose M here: the
          module will be called pms.
 
-config VIDEO_PLANB
-       tristate "PlanB Video-In on PowerMac"
-       depends on PPC_PMAC && VIDEO_V4L1 && BROKEN
-       help
-         PlanB is the V4L driver for the PowerMac 7x00/8x00 series video
-         input hardware. If you want to experiment with this, say Y.
-         Otherwise, or if you don't understand a word, say N. See
-         <http://www.cpu.lu/~mlan/linux/dev/planb.html> for more info.
-
-         Saying M will compile this driver as a module (planb).
-
 config VIDEO_BWQCAM
        tristate "Quickcam BW Video For Linux"
        depends on PARPORT && VIDEO_V4L1
index 9de1e48..bbc6f8b 100644 (file)
@@ -57,7 +57,6 @@ obj-$(CONFIG_VIDEO_ZORAN_DC30) += zr36050.o zr36016.o
 obj-$(CONFIG_VIDEO_ZORAN_ZR36060) += zr36060.o
 
 obj-$(CONFIG_VIDEO_PMS) += pms.o
-obj-$(CONFIG_VIDEO_PLANB) += planb.o
 obj-$(CONFIG_VIDEO_VINO) += vino.o indycam.o
 obj-$(CONFIG_VIDEO_STRADIS) += stradis.o
 obj-$(CONFIG_VIDEO_CPIA) += cpia.o
index 36047d4..e69de29 100644 (file)
-/*
-    planb - PlanB frame grabber driver
-
-    PlanB is used in the 7x00/8x00 series of PowerMacintosh
-    Computers as video input DMA controller.
-
-    Copyright (C) 1998 Michel Lanners (mlan@cpu.lu)
-
-    Based largely on the bttv driver by Ralph Metzler (rjkm@thp.uni-koeln.de)
-
-    Additional debugging and coding by Takashi Oe (toe@unlserve.unl.edu)
-
-    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.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/* $Id: planb.c,v 1.18 1999/05/02 17:36:34 mlan Exp $ */
-
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/vmalloc.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/videodev.h>
-#include <media/v4l2-common.h>
-#include <linux/wait.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/dbdma.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/irq.h>
-#include <linux/mutex.h>
-
-#include "planb.h"
-#include "saa7196.h"
-
-/* Would you mind for some ugly debugging? */
-#if 0
-#define DEBUG(x...) printk(KERN_DEBUG ## x) /* Debug driver */
-#else
-#define DEBUG(x...)            /* Don't debug driver */
-#endif
-
-#if 0
-#define IDEBUG(x...) printk(KERN_DEBUG ## x) /* Debug interrupt part */
-#else
-#define IDEBUG(x...)           /* Don't debug interrupt part */
-#endif
-
-/* Ever seen a Mac with more than 1 of these? */
-#define PLANB_MAX 1
-
-static int planb_num;
-static struct planb planbs[PLANB_MAX];
-static volatile struct planb_registers *planb_regs;
-
-static int def_norm = PLANB_DEF_NORM;  /* default norm */
-static int video_nr = -1;
-
-module_param(def_norm, int, 0);
-MODULE_PARM_DESC(def_norm, "Default startup norm (0=PAL, 1=NTSC, 2=SECAM)");
-module_param(video_nr, int, 0);
-MODULE_LICENSE("GPL");
-
-
-/* ------------------ PlanB Exported Functions ------------------ */
-static long planb_write(struct video_device *, const char *, unsigned long, int);
-static long planb_read(struct video_device *, char *, unsigned long, int);
-static int planb_open(struct video_device *, int);
-static void planb_close(struct video_device *);
-static int planb_ioctl(struct video_device *, unsigned int, void *);
-static int planb_init_done(struct video_device *);
-static int planb_mmap(struct video_device *, const char *, unsigned long);
-static void release_planb(void);
-int init_planbs(struct video_init *);
-
-/* ------------------ PlanB Internal Functions ------------------ */
-static int planb_prepare_open(struct planb *);
-static void planb_prepare_close(struct planb *);
-static void saa_write_reg(unsigned char, unsigned char);
-static unsigned char saa_status(int, struct planb *);
-static void saa_set(unsigned char, unsigned char, struct planb *);
-static void saa_init_regs(struct planb *);
-static int grabbuf_alloc(struct planb *);
-static int vgrab(struct planb *, struct video_mmap *);
-static void add_clip(struct planb *, struct video_clip *);
-static void fill_cmd_buff(struct planb *);
-static void cmd_buff(struct planb *);
-static volatile struct dbdma_cmd *setup_grab_cmd(int, struct planb *);
-static void overlay_start(struct planb *);
-static void overlay_stop(struct planb *);
-static inline void tab_cmd_dbdma(volatile struct dbdma_cmd *, unsigned short,
-       unsigned int);
-static inline void tab_cmd_store(volatile struct dbdma_cmd *, unsigned int,
-       unsigned int);
-static inline void tab_cmd_gen(volatile struct dbdma_cmd *, unsigned short,
-       unsigned short, unsigned int, unsigned int);
-static int init_planb(struct planb *);
-static int find_planb(void);
-static void planb_pre_capture(int, int, struct planb *);
-static volatile struct dbdma_cmd *cmd_geo_setup(volatile struct dbdma_cmd *,
-                                       int, int, int, int, int, struct planb *);
-static inline void planb_dbdma_stop(volatile struct dbdma_regs *);
-static unsigned int saa_geo_setup(int, int, int, int, struct planb *);
-static inline int overlay_is_active(struct planb *);
-
-/*******************************/
-/* Memory management functions */
-/*******************************/
-
-static int grabbuf_alloc(struct planb *pb)
-{
-       int i, npage;
-
-       npage = MAX_GBUFFERS * ((PLANB_MAX_FBUF / PAGE_SIZE + 1)
-#ifndef PLANB_GSCANLINE
-               + MAX_LNUM
-#endif /* PLANB_GSCANLINE */
-               );
-       if ((pb->rawbuf = kmalloc(npage
-                               * sizeof(unsigned long), GFP_KERNEL)) == 0)
-               return -ENOMEM;
-       for (i = 0; i < npage; i++) {
-               pb->rawbuf[i] = (unsigned char *)__get_free_pages(GFP_KERNEL
-                                                               |GFP_DMA, 0);
-               if (!pb->rawbuf[i])
-                       break;
-               SetPageReserved(virt_to_page(pb->rawbuf[i]));
-       }
-       if (i-- < npage) {
-               printk(KERN_DEBUG "PlanB: init_grab: grab buffer not allocated\n");
-               for (; i > 0; i--) {
-                       ClearPageReserved(virt_to_page(pb->rawbuf[i]));
-                       free_pages((unsigned long)pb->rawbuf[i], 0);
-               }
-               kfree(pb->rawbuf);
-               return -ENOBUFS;
-       }
-       pb->rawbuf_size = npage;
-       return 0;
-}
-
-/*****************************/
-/* Hardware access functions */
-/*****************************/
-
-static void saa_write_reg(unsigned char addr, unsigned char val)
-{
-       planb_regs->saa_addr = addr; eieio();
-       planb_regs->saa_regval = val; eieio();
-       return;
-}
-
-/* return  status byte 0 or 1: */
-static unsigned char saa_status(int byte, struct planb *pb)
-{
-       saa_regs[pb->win.norm][SAA7196_STDC] =
-               (saa_regs[pb->win.norm][SAA7196_STDC] & ~2) | ((byte & 1) << 1);
-       saa_write_reg (SAA7196_STDC, saa_regs[pb->win.norm][SAA7196_STDC]);
-
-       /* Let's wait 30msec for this one */
-       msleep_interruptible(30);
-
-       return (unsigned char)in_8 (&planb_regs->saa_status);
-}
-
-static void saa_set(unsigned char addr, unsigned char val, struct planb *pb)
-{
-       if(saa_regs[pb->win.norm][addr] != val) {
-               saa_regs[pb->win.norm][addr] = val;
-               saa_write_reg (addr, val);
-       }
-       return;
-}
-
-static void saa_init_regs(struct planb *pb)
-{
-       int i;
-
-       for (i = 0; i < SAA7196_NUMREGS; i++)
-               saa_write_reg (i, saa_regs[pb->win.norm][i]);
-}
-
-static unsigned int saa_geo_setup(int width, int height, int interlace, int bpp,
-       struct planb *pb)
-{
-       int ht, norm = pb->win.norm;
-
-       switch(bpp) {
-       case 2:
-               /* RGB555+a 1x16-bit + 16-bit transparent */
-               saa_regs[norm][SAA7196_FMTS] &= ~0x3;
-               break;
-       case 1:
-       case 4:
-               /* RGB888 1x24-bit + 8-bit transparent */
-               saa_regs[norm][SAA7196_FMTS] &= ~0x1;
-               saa_regs[norm][SAA7196_FMTS] |= 0x2;
-               break;
-       default:
-               return -EINVAL;
-       }
-       ht = (interlace ? height / 2 : height);
-       saa_regs[norm][SAA7196_OUTPIX] = (unsigned char) (width & 0x00ff);
-       saa_regs[norm][SAA7196_HFILT] = (saa_regs[norm][SAA7196_HFILT] & ~0x3)
-                                               | (width >> 8 & 0x3);
-       saa_regs[norm][SAA7196_OUTLINE] = (unsigned char) (ht & 0xff);
-       saa_regs[norm][SAA7196_VYP] = (saa_regs[norm][SAA7196_VYP] & ~0x3)
-                                               | (ht >> 8 & 0x3);
-       /* feed both fields if interlaced, or else feed only even fields */
-       saa_regs[norm][SAA7196_FMTS] = (interlace) ?
-                                       (saa_regs[norm][SAA7196_FMTS] & ~0x60)
-                                       : (saa_regs[norm][SAA7196_FMTS] | 0x60);
-       /* transparent mode; extended format enabled */
-       saa_regs[norm][SAA7196_DPATH] |= 0x3;
-
-       return 0;
-}
-
-/***************************/
-/* DBDMA support functions */
-/***************************/
-
-static inline void planb_dbdma_restart(volatile struct dbdma_regs *ch)
-{
-       out_le32(&ch->control, PLANB_CLR(RUN));
-       out_le32(&ch->control, PLANB_SET(RUN|WAKE) | PLANB_CLR(PAUSE));
-}
-
-static inline void planb_dbdma_stop(volatile struct dbdma_regs *ch)
-{
-       int i = 0;
-
-       out_le32(&ch->control, PLANB_CLR(RUN) | PLANB_SET(FLUSH));
-       while((in_le32(&ch->status) == (ACTIVE | FLUSH)) && (i < 999)) {
-               IDEBUG("PlanB: waiting for DMA to stop\n");
-               i++;
-       }
-}
-
-static inline void tab_cmd_dbdma(volatile struct dbdma_cmd *ch,
-       unsigned short command, unsigned int cmd_dep)
-{
-       st_le16(&ch->command, command);
-       st_le32(&ch->cmd_dep, cmd_dep);
-}
-
-static inline void tab_cmd_store(volatile struct dbdma_cmd *ch,
-       unsigned int phy_addr, unsigned int cmd_dep)
-{
-       st_le16(&ch->command, STORE_WORD | KEY_SYSTEM);
-       st_le16(&ch->req_count, 4);
-       st_le32(&ch->phy_addr, phy_addr);
-       st_le32(&ch->cmd_dep, cmd_dep);
-}
-
-static inline void tab_cmd_gen(volatile struct dbdma_cmd *ch,
-       unsigned short command, unsigned short req_count,
-       unsigned int phy_addr, unsigned int cmd_dep)
-{
-       st_le16(&ch->command, command);
-       st_le16(&ch->req_count, req_count);
-       st_le32(&ch->phy_addr, phy_addr);
-       st_le32(&ch->cmd_dep, cmd_dep);
-}
-
-static volatile struct dbdma_cmd *cmd_geo_setup(
-       volatile struct dbdma_cmd *c1, int width, int height, int interlace,
-       int bpp, int clip, struct planb *pb)
-{
-       int norm = pb->win.norm;
-
-       if((saa_geo_setup(width, height, interlace, bpp, pb)) != 0)
-               return (volatile struct dbdma_cmd *)NULL;
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->saa_addr),
-                                                       SAA7196_FMTS);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->saa_regval),
-                                       saa_regs[norm][SAA7196_FMTS]);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->saa_addr),
-                                                       SAA7196_DPATH);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->saa_regval),
-                                       saa_regs[norm][SAA7196_DPATH]);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->even),
-                                       bpp | ((clip)? PLANB_CLIPMASK: 0));
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->odd),
-                                       bpp | ((clip)? PLANB_CLIPMASK: 0));
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->saa_addr),
-                                                       SAA7196_OUTPIX);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->saa_regval),
-                                       saa_regs[norm][SAA7196_OUTPIX]);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->saa_addr),
-                                                       SAA7196_HFILT);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->saa_regval),
-                                       saa_regs[norm][SAA7196_HFILT]);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->saa_addr),
-                                                       SAA7196_OUTLINE);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->saa_regval),
-                                       saa_regs[norm][SAA7196_OUTLINE]);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->saa_addr),
-                                                       SAA7196_VYP);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->saa_regval),
-                                       saa_regs[norm][SAA7196_VYP]);
-       return c1;
-}
-
-/******************************/
-/* misc. supporting functions */
-/******************************/
-
-static inline void planb_lock(struct planb *pb)
-{
-       mutex_lock(&pb->lock);
-}
-
-static inline void planb_unlock(struct planb *pb)
-{
-       mutex_unlock(&pb->lock);
-}
-
-/***************/
-/* Driver Core */
-/***************/
-
-static int planb_prepare_open(struct planb *pb)
-{
-       int     i, size;
-
-       /* allocate memory for two plus alpha command buffers (size: max lines,
-          plus 40 commands handling, plus 1 alignment), plus dummy command buf,
-          plus clipmask buffer, plus frame grabbing status */
-       size = (pb->tab_size*(2+MAX_GBUFFERS*TAB_FACTOR)+1+MAX_GBUFFERS
-               * PLANB_DUMMY)*sizeof(struct dbdma_cmd)
-               +(PLANB_MAXLINES*((PLANB_MAXPIXELS+7)& ~7))/8
-               +MAX_GBUFFERS*sizeof(unsigned int);
-       if ((pb->priv_space = kzalloc (size, GFP_KERNEL)) == 0)
-               return -ENOMEM;
-       pb->overlay_last1 = pb->ch1_cmd = (volatile struct dbdma_cmd *)
-                                               DBDMA_ALIGN (pb->priv_space);
-       pb->overlay_last2 = pb->ch2_cmd = pb->ch1_cmd + pb->tab_size;
-       pb->ch1_cmd_phys = virt_to_bus(pb->ch1_cmd);
-       pb->cap_cmd[0] = pb->ch2_cmd + pb->tab_size;
-       pb->pre_cmd[0] = pb->cap_cmd[0] + pb->tab_size * TAB_FACTOR;
-       for (i = 1; i < MAX_GBUFFERS; i++) {
-               pb->cap_cmd[i] = pb->pre_cmd[i-1] + PLANB_DUMMY;
-               pb->pre_cmd[i] = pb->cap_cmd[i] + pb->tab_size * TAB_FACTOR;
-       }
-       pb->frame_stat=(volatile unsigned int *)(pb->pre_cmd[MAX_GBUFFERS-1]
-                                               + PLANB_DUMMY);
-       pb->mask = (unsigned char *)(pb->frame_stat+MAX_GBUFFERS);
-
-       pb->rawbuf = NULL;
-       pb->rawbuf_size = 0;
-       pb->grabbing = 0;
-       for (i = 0; i < MAX_GBUFFERS; i++) {
-               pb->frame_stat[i] = GBUFFER_UNUSED;
-               pb->gwidth[i] = 0;
-               pb->gheight[i] = 0;
-               pb->gfmt[i] = 0;
-               pb->gnorm_switch[i] = 0;
-#ifndef PLANB_GSCANLINE
-               pb->lsize[i] = 0;
-               pb->lnum[i] = 0;
-#endif /* PLANB_GSCANLINE */
-       }
-       pb->gcount = 0;
-       pb->suspend = 0;
-       pb->last_fr = -999;
-       pb->prev_last_fr = -999;
-
-       /* Reset DMA controllers */
-       planb_dbdma_stop(&pb->planb_base->ch2);
-       planb_dbdma_stop(&pb->planb_base->ch1);
-
-       return 0;
-}
-
-static void planb_prepare_close(struct planb *pb)
-{
-       int i;
-
-       /* make sure the dma's are idle */
-       planb_dbdma_stop(&pb->planb_base->ch2);
-       planb_dbdma_stop(&pb->planb_base->ch1);
-       /* free kernel memory of command buffers */
-       if(pb->priv_space != 0) {
-               kfree (pb->priv_space);
-               pb->priv_space = 0;
-               pb->cmd_buff_inited = 0;
-       }
-       if(pb->rawbuf) {
-               for (i = 0; i < pb->rawbuf_size; i++) {
-                       ClearPageReserved(virt_to_page(pb->rawbuf[i]));
-                       free_pages((unsigned long)pb->rawbuf[i], 0);
-               }
-               kfree(pb->rawbuf);
-       }
-       pb->rawbuf = NULL;
-}
-
-/*****************************/
-/* overlay support functions */
-/*****************************/
-
-static inline int overlay_is_active(struct planb *pb)
-{
-       unsigned int size = pb->tab_size * sizeof(struct dbdma_cmd);
-       unsigned int caddr = (unsigned)in_le32(&pb->planb_base->ch1.cmdptr);
-
-       return (in_le32(&pb->overlay_last1->cmd_dep) == pb->ch1_cmd_phys)
-                       && (caddr < (pb->ch1_cmd_phys + size))
-                       && (caddr >= (unsigned)pb->ch1_cmd_phys);
-}
-
-static void overlay_start(struct planb *pb)
-{
-
-       DEBUG("PlanB: overlay_start()\n");
-
-       if(ACTIVE & in_le32(&pb->planb_base->ch1.status)) {
-
-               DEBUG("PlanB: presumably, grabbing is in progress...\n");
-
-               planb_dbdma_stop(&pb->planb_base->ch2);
-               out_le32 (&pb->planb_base->ch2.cmdptr,
-                                               virt_to_bus(pb->ch2_cmd));
-               planb_dbdma_restart(&pb->planb_base->ch2);
-               st_le16 (&pb->ch1_cmd->command, DBDMA_NOP);
-               tab_cmd_dbdma(pb->last_cmd[pb->last_fr],
-                                       DBDMA_NOP | BR_ALWAYS,
-                                       virt_to_bus(pb->ch1_cmd));
-               eieio();
-               pb->prev_last_fr = pb->last_fr;
-               pb->last_fr = -2;
-               if(!(ACTIVE & in_le32(&pb->planb_base->ch1.status))) {
-                       IDEBUG("PlanB: became inactive "
-                               "in the mean time... reactivating\n");
-                       planb_dbdma_stop(&pb->planb_base->ch1);
-                       out_le32 (&pb->planb_base->ch1.cmdptr,
-                                               virt_to_bus(pb->ch1_cmd));
-                       planb_dbdma_restart(&pb->planb_base->ch1);
-               }
-       } else {
-
-               DEBUG("PlanB: currently idle, so can do whatever\n");
-
-               planb_dbdma_stop(&pb->planb_base->ch2);
-               planb_dbdma_stop(&pb->planb_base->ch1);
-               st_le32 (&pb->planb_base->ch2.cmdptr,
-                                               virt_to_bus(pb->ch2_cmd));
-               st_le32 (&pb->planb_base->ch1.cmdptr,
-                                               virt_to_bus(pb->ch1_cmd));
-               out_le16 (&pb->ch1_cmd->command, DBDMA_NOP);
-               planb_dbdma_restart(&pb->planb_base->ch2);
-               planb_dbdma_restart(&pb->planb_base->ch1);
-               pb->last_fr = -1;
-       }
-       return;
-}
-
-static void overlay_stop(struct planb *pb)
-{
-       DEBUG("PlanB: overlay_stop()\n");
-
-       if(pb->last_fr == -1) {
-
-               DEBUG("PlanB: no grabbing, it seems...\n");
-
-               planb_dbdma_stop(&pb->planb_base->ch2);
-               planb_dbdma_stop(&pb->planb_base->ch1);
-               pb->last_fr = -999;
-       } else if(pb->last_fr == -2) {
-               unsigned int cmd_dep;
-               tab_cmd_dbdma(pb->cap_cmd[pb->prev_last_fr], DBDMA_STOP, 0);
-               eieio();
-               cmd_dep = (unsigned int)in_le32(&pb->overlay_last1->cmd_dep);
-               if(overlay_is_active(pb)) {
-
-                       DEBUG("PlanB: overlay is currently active\n");
-
-                       planb_dbdma_stop(&pb->planb_base->ch2);
-                       planb_dbdma_stop(&pb->planb_base->ch1);
-                       if(cmd_dep != pb->ch1_cmd_phys) {
-                               out_le32(&pb->planb_base->ch1.cmdptr,
-                                               virt_to_bus(pb->overlay_last1));
-                               planb_dbdma_restart(&pb->planb_base->ch1);
-                       }
-               }
-               pb->last_fr = pb->prev_last_fr;
-               pb->prev_last_fr = -999;
-       }
-       return;
-}
-
-static void suspend_overlay(struct planb *pb)
-{
-       int fr = -1;
-       struct dbdma_cmd last;
-
-       DEBUG("PlanB: suspend_overlay: %d\n", pb->suspend);
-
-       if(pb->suspend++)
-               return;
-       if(ACTIVE & in_le32(&pb->planb_base->ch1.status)) {
-               if(pb->last_fr == -2) {
-                       fr = pb->prev_last_fr;
-                       memcpy(&last, (void*)pb->last_cmd[fr], sizeof(last));
-                       tab_cmd_dbdma(pb->last_cmd[fr], DBDMA_STOP, 0);
-               }
-               if(overlay_is_active(pb)) {
-                       planb_dbdma_stop(&pb->planb_base->ch2);
-                       planb_dbdma_stop(&pb->planb_base->ch1);
-                       pb->suspended.overlay = 1;
-                       pb->suspended.frame = fr;
-                       memcpy(&pb->suspended.cmd, &last, sizeof(last));
-                       return;
-               }
-       }
-       pb->suspended.overlay = 0;
-       pb->suspended.frame = fr;
-       memcpy(&pb->suspended.cmd, &last, sizeof(last));
-       return;
-}
-
-static void resume_overlay(struct planb *pb)
-{
-
-       DEBUG("PlanB: resume_overlay: %d\n", pb->suspend);
-
-       if(pb->suspend > 1)
-               return;
-       if(pb->suspended.frame != -1) {
-               memcpy((void*)pb->last_cmd[pb->suspended.frame],
-                               &pb->suspended.cmd, sizeof(pb->suspended.cmd));
-       }
-       if(ACTIVE & in_le32(&pb->planb_base->ch1.status)) {
-               goto finish;
-       }
-       if(pb->suspended.overlay) {
-
-               DEBUG("PlanB: overlay being resumed\n");
-
-               st_le16 (&pb->ch1_cmd->command, DBDMA_NOP);
-               st_le16 (&pb->ch2_cmd->command, DBDMA_NOP);
-               /* Set command buffer addresses */
-               st_le32(&pb->planb_base->ch1.cmdptr,
-                                       virt_to_bus(pb->overlay_last1));
-               out_le32(&pb->planb_base->ch2.cmdptr,
-                                       virt_to_bus(pb->overlay_last2));
-               /* Start the DMA controller */
-               out_le32 (&pb->planb_base->ch2.control,
-                               PLANB_CLR(PAUSE) | PLANB_SET(RUN|WAKE));
-               out_le32 (&pb->planb_base->ch1.control,
-                               PLANB_CLR(PAUSE) | PLANB_SET(RUN|WAKE));
-       } else if(pb->suspended.frame != -1) {
-               out_le32(&pb->planb_base->ch1.cmdptr,
-                               virt_to_bus(pb->last_cmd[pb->suspended.frame]));
-               out_le32 (&pb->planb_base->ch1.control,
-                               PLANB_CLR(PAUSE) | PLANB_SET(RUN|WAKE));
-       }
-
-finish:
-       pb->suspend--;
-       wake_up_interruptible(&pb->suspendq);
-}
-
-static void add_clip(struct planb *pb, struct video_clip *clip)
-{
-       volatile unsigned char  *base;
-       int     xc = clip->x, yc = clip->y;
-       int     wc = clip->width, hc = clip->height;
-       int     ww = pb->win.width, hw = pb->win.height;
-       int     x, y, xtmp1, xtmp2;
-
-       DEBUG("PlanB: clip %dx%d+%d+%d\n", wc, hc, xc, yc);
-
-       if(xc < 0) {
-               wc += xc;
-               xc = 0;
-       }
-       if(yc < 0) {
-               hc += yc;
-               yc = 0;
-       }
-       if(xc + wc > ww)
-               wc = ww - xc;
-       if(wc <= 0) /* Nothing to do */
-               return;
-       if(yc + hc > hw)
-               hc = hw - yc;
-
-       for (y = yc; y < yc+hc; y++) {
-               xtmp1=xc>>3;
-               xtmp2=(xc+wc)>>3;
-               base = pb->mask + y*96;
-               if(xc != 0 || wc >= 8)
-                       *(base + xtmp1) &= (unsigned char)(0x00ff &
-                               (0xff00 >> (xc&7)));
-               for (x = xtmp1 + 1; x < xtmp2; x++) {
-                       *(base + x) = 0;
-               }
-               if(xc < (ww & ~0x7))
-                       *(base + xtmp2) &= (unsigned char)(0x00ff >>
-                               ((xc+wc) & 7));
-       }
-
-       return;
-}
-
-static void fill_cmd_buff(struct planb *pb)
-{
-       int restore = 0;
-       volatile struct dbdma_cmd last;
-
-       DEBUG("PlanB: fill_cmd_buff()\n");
-
-       if(pb->overlay_last1 != pb->ch1_cmd) {
-               restore = 1;
-               last = *(pb->overlay_last1);
-       }
-       memset ((void *) pb->ch1_cmd, 0, 2 * pb->tab_size
-                                       * sizeof(struct dbdma_cmd));
-       cmd_buff (pb);
-       if(restore)
-               *(pb->overlay_last1) = last;
-       if(pb->suspended.overlay) {
-               unsigned long jump_addr = in_le32(&pb->overlay_last1->cmd_dep);
-               if(jump_addr != pb->ch1_cmd_phys) {
-                       int i;
-
-                       DEBUG("PlanB: adjusting ch1's jump address\n");
-
-                       for(i = 0; i < MAX_GBUFFERS; i++) {
-                               if(pb->need_pre_capture[i]) {
-                                   if(jump_addr == virt_to_bus(pb->pre_cmd[i]))
-                                       goto found;
-                               } else {
-                                   if(jump_addr == virt_to_bus(pb->cap_cmd[i]))
-                                       goto found;
-                               }
-                       }
-
-                       DEBUG("PlanB: not found...\n");
-
-                       goto out;
-found:
-                       if(pb->need_pre_capture[i])
-                               out_le32(&pb->pre_cmd[i]->phy_addr,
-                                               virt_to_bus(pb->overlay_last1));
-                       else
-                               out_le32(&pb->cap_cmd[i]->phy_addr,
-                                               virt_to_bus(pb->overlay_last1));
-               }
-       }
-out:
-       pb->cmd_buff_inited = 1;
-
-       return;
-}
-
-static void cmd_buff(struct planb *pb)
-{
-       int             i, bpp, count, nlines, stepsize, interlace;
-       unsigned long   base, jump, addr_com, addr_dep;
-       volatile struct dbdma_cmd *c1 = pb->ch1_cmd;
-       volatile struct dbdma_cmd *c2 = pb->ch2_cmd;
-
-       interlace = pb->win.interlace;
-       bpp = pb->win.bpp;
-       count = (bpp * ((pb->win.x + pb->win.width > pb->win.swidth) ?
-               (pb->win.swidth - pb->win.x) : pb->win.width));
-       nlines = ((pb->win.y + pb->win.height > pb->win.sheight) ?
-               (pb->win.sheight - pb->win.y) : pb->win.height);
-
-       /* Do video in: */
-
-       /* Preamble commands: */
-       addr_com = virt_to_bus(c1);
-       addr_dep = virt_to_bus(&c1->cmd_dep);
-       tab_cmd_dbdma(c1++, DBDMA_NOP, 0);
-       jump = virt_to_bus(c1+16); /* 14 by cmd_geo_setup() and 2 for padding */
-       if((c1 = cmd_geo_setup(c1, pb->win.width, pb->win.height, interlace,
-                                       bpp, 1, pb)) == NULL) {
-               printk(KERN_WARNING "PlanB: encountered serious problems\n");
-               tab_cmd_dbdma(pb->ch1_cmd + 1, DBDMA_STOP, 0);
-               tab_cmd_dbdma(pb->ch2_cmd + 1, DBDMA_STOP, 0);
-               return;
-       }
-       tab_cmd_store(c1++, addr_com, (unsigned)(DBDMA_NOP | BR_ALWAYS) << 16);
-       tab_cmd_store(c1++, addr_dep, jump);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.wait_sel),
-                                                       PLANB_SET(FIELD_SYNC));
-               /* (1) wait for field sync to be set */
-       tab_cmd_dbdma(c1++, DBDMA_NOP | WAIT_IFCLR, 0);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.br_sel),
-                                                       PLANB_SET(ODD_FIELD));
-               /* wait for field sync to be cleared */
-       tab_cmd_dbdma(c1++, DBDMA_NOP | WAIT_IFSET, 0);
-               /* if not odd field, wait until field sync is set again */
-       tab_cmd_dbdma(c1, DBDMA_NOP | BR_IFSET, virt_to_bus(c1-3)); c1++;
-               /* assert ch_sync to ch2 */
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch2.control),
-                                                       PLANB_SET(CH_SYNC));
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.br_sel),
-                                                       PLANB_SET(DMA_ABORT));
-
-       base = (pb->frame_buffer_phys + pb->offset + pb->win.y * (pb->win.bpl
-                                       + pb->win.pad) + pb->win.x * bpp);
-
-       if (interlace) {
-               stepsize = 2;
-               jump = virt_to_bus(c1 + (nlines + 1) / 2);
-       } else {
-               stepsize = 1;
-               jump = virt_to_bus(c1 + nlines);
-       }
-
-       /* even field data: */
-       for (i=0; i < nlines; i += stepsize, c1++)
-               tab_cmd_gen(c1, INPUT_MORE | KEY_STREAM0 | BR_IFSET,
-                       count, base + i * (pb->win.bpl + pb->win.pad), jump);
-
-       /* For non-interlaced, we use even fields only */
-       if (!interlace)
-               goto cmd_tab_data_end;
-
-       /* Resync to odd field */
-               /* (2) wait for field sync to be set */
-       tab_cmd_dbdma(c1++, DBDMA_NOP | WAIT_IFCLR, 0);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.br_sel),
-                                                       PLANB_SET(ODD_FIELD));
-               /* wait for field sync to be cleared */
-       tab_cmd_dbdma(c1++, DBDMA_NOP | WAIT_IFSET, 0);
-               /* if not odd field, wait until field sync is set again */
-       tab_cmd_dbdma(c1, DBDMA_NOP | BR_IFCLR, virt_to_bus(c1-3)); c1++;
-               /* assert ch_sync to ch2 */
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch2.control),
-                                                       PLANB_SET(CH_SYNC));
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.br_sel),
-                                                       PLANB_SET(DMA_ABORT));
-
-       /* odd field data: */
-       jump = virt_to_bus(c1 + nlines / 2);
-       for (i=1; i < nlines; i += stepsize, c1++)
-               tab_cmd_gen(c1, INPUT_MORE | KEY_STREAM0 | BR_IFSET, count,
-                       base + i * (pb->win.bpl + pb->win.pad), jump);
-
-       /* And jump back to the start */
-cmd_tab_data_end:
-       pb->overlay_last1 = c1; /* keep a pointer to the last command */
-       tab_cmd_dbdma(c1, DBDMA_NOP | BR_ALWAYS, virt_to_bus(pb->ch1_cmd));
-
-       /* Clipmask command buffer */
-
-       /* Preamble commands: */
-       tab_cmd_dbdma(c2++, DBDMA_NOP, 0);
-       tab_cmd_store(c2++, (unsigned)(&pb->planb_base_phys->ch2.wait_sel),
-                                                       PLANB_SET(CH_SYNC));
-               /* wait until ch1 asserts ch_sync */
-       tab_cmd_dbdma(c2++, DBDMA_NOP | WAIT_IFCLR, 0);
-               /* clear ch_sync asserted by ch1 */
-       tab_cmd_store(c2++, (unsigned)(&pb->planb_base_phys->ch2.control),
-                                                       PLANB_CLR(CH_SYNC));
-       tab_cmd_store(c2++, (unsigned)(&pb->planb_base_phys->ch2.wait_sel),
-                                                       PLANB_SET(FIELD_SYNC));
-       tab_cmd_store(c2++, (unsigned)(&pb->planb_base_phys->ch2.br_sel),
-                                                       PLANB_SET(ODD_FIELD));
-
-       /* jump to end of even field if appropriate */
-       /* this points to (interlace)? pos. C: pos. B */
-       jump = (interlace) ? virt_to_bus(c2 + (nlines + 1) / 2 + 2):
-                                               virt_to_bus(c2 + nlines + 2);
-               /* if odd field, skip over to odd field clipmasking */
-       tab_cmd_dbdma(c2++, DBDMA_NOP | BR_IFSET, jump);
-
-       /* even field mask: */
-       tab_cmd_store(c2++, (unsigned)(&pb->planb_base_phys->ch2.br_sel),
-                                                       PLANB_SET(DMA_ABORT));
-       /* this points to pos. B */
-       jump = (interlace) ? virt_to_bus(c2 + nlines + 1):
-                                               virt_to_bus(c2 + nlines);
-       base = virt_to_bus(pb->mask);
-       for (i=0; i < nlines; i += stepsize, c2++)
-               tab_cmd_gen(c2, OUTPUT_MORE | KEY_STREAM0 | BR_IFSET, 96,
-                       base + i * 96, jump);
-
-       /* For non-interlaced, we use only even fields */
-       if(!interlace)
-               goto cmd_tab_mask_end;
-
-       /* odd field mask: */
-/* C */        tab_cmd_store(c2++, (unsigned)(&pb->planb_base_phys->ch2.br_sel),
-                                                       PLANB_SET(DMA_ABORT));
-       /* this points to pos. B */
-       jump = virt_to_bus(c2 + nlines / 2);
-       base = virt_to_bus(pb->mask);
-       for (i=1; i < nlines; i += 2, c2++)     /* abort if set */
-               tab_cmd_gen(c2, OUTPUT_MORE | KEY_STREAM0 | BR_IFSET, 96,
-                       base + i * 96, jump);
-
-       /* Inform channel 1 and jump back to start */
-cmd_tab_mask_end:
-       /* ok, I just realized this is kind of flawed. */
-       /* this part is reached only after odd field clipmasking. */
-       /* wanna clean up? */
-               /* wait for field sync to be set */
-               /* corresponds to fsync (1) of ch1 */
-/* B */        tab_cmd_dbdma(c2++, DBDMA_NOP | WAIT_IFCLR, 0);
-               /* restart ch1, meant to clear any dead bit or something */
-       tab_cmd_store(c2++, (unsigned)(&pb->planb_base_phys->ch1.control),
-                                                       PLANB_CLR(RUN));
-       tab_cmd_store(c2++, (unsigned)(&pb->planb_base_phys->ch1.control),
-                                                       PLANB_SET(RUN));
-       pb->overlay_last2 = c2; /* keep a pointer to the last command */
-               /* start over even field clipmasking */
-       tab_cmd_dbdma(c2, DBDMA_NOP | BR_ALWAYS, virt_to_bus(pb->ch2_cmd));
-
-       eieio();
-       return;
-}
-
-/*********************************/
-/* grabdisplay support functions */
-/*********************************/
-
-static int palette2fmt[] = {
-       0,
-       PLANB_GRAY,
-       0,
-       0,
-       0,
-       PLANB_COLOUR32,
-       PLANB_COLOUR15,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-       0,
-};
-
-#define PLANB_PALETTE_MAX 15
-
-static int vgrab(struct planb *pb, struct video_mmap *mp)
-{
-       unsigned int fr = mp->frame;
-       unsigned int format;
-
-       if(pb->rawbuf==NULL) {
-               int err;
-               if((err=grabbuf_alloc(pb)))
-                       return err;
-       }
-
-       IDEBUG("PlanB: grab %d: %dx%d(%u)\n", pb->grabbing,
-                                               mp->width, mp->height, fr);
-
-       if(pb->grabbing >= MAX_GBUFFERS)
-               return -ENOBUFS;
-       if(fr > (MAX_GBUFFERS - 1) || fr < 0)
-               return -EINVAL;
-       if(mp->height <= 0 || mp->width <= 0)
-               return -EINVAL;
-       if(mp->format < 0 || mp->format >= PLANB_PALETTE_MAX)
-               return -EINVAL;
-       if((format = palette2fmt[mp->format]) == 0)
-               return -EINVAL;
-       if (mp->height * mp->width * format > PLANB_MAX_FBUF) /* format = bpp */
-               return -EINVAL;
-
-       planb_lock(pb);
-       if(mp->width != pb->gwidth[fr] || mp->height != pb->gheight[fr] ||
-                       format != pb->gfmt[fr] || (pb->gnorm_switch[fr])) {
-               int i;
-#ifndef PLANB_GSCANLINE
-               unsigned int osize = pb->gwidth[fr] * pb->gheight[fr]
-                                                               * pb->gfmt[fr];
-               unsigned int nsize = mp->width * mp->height * format;
-#endif
-
-               IDEBUG("PlanB: gwidth = %d, gheight = %d, mp->format = %u\n",
-                                       mp->width, mp->height, mp->format);
-
-#ifndef PLANB_GSCANLINE
-               if(pb->gnorm_switch[fr])
-                       nsize = 0;
-               if (nsize < osize) {
-                       for(i = pb->gbuf_idx[fr]; osize > 0; i++) {
-                               memset((void *)pb->rawbuf[i], 0, PAGE_SIZE);
-                               osize -= PAGE_SIZE;
-                       }
-               }
-               for(i = pb->l_fr_addr_idx[fr]; i < pb->l_fr_addr_idx[fr]
-                                                       + pb->lnum[fr]; i++)
-                       memset((void *)pb->rawbuf[i], 0, PAGE_SIZE);
-#else
-/* XXX TODO */
-/*
-               if(pb->gnorm_switch[fr])
-                       memset((void *)pb->gbuffer[fr], 0,
-                                       pb->gbytes_per_line * pb->gheight[fr]);
-               else {
-                       if(mp->
-                       for(i = 0; i < pb->gheight[fr]; i++) {
-                               memset((void *)(pb->gbuffer[fr]
-                                       + pb->gbytes_per_line * i
-                       }
-               }
-*/
-#endif
-               pb->gwidth[fr] = mp->width;
-               pb->gheight[fr] = mp->height;
-               pb->gfmt[fr] = format;
-               pb->last_cmd[fr] = setup_grab_cmd(fr, pb);
-               planb_pre_capture(fr, pb->gfmt[fr], pb); /* gfmt = bpp */
-               pb->need_pre_capture[fr] = 1;
-               pb->gnorm_switch[fr] = 0;
-       } else
-               pb->need_pre_capture[fr] = 0;
-       pb->frame_stat[fr] = GBUFFER_GRABBING;
-       if(!(ACTIVE & in_le32(&pb->planb_base->ch1.status))) {
-
-               IDEBUG("PlanB: ch1 inactive, initiating grabbing\n");
-
-               planb_dbdma_stop(&pb->planb_base->ch1);
-               if(pb->need_pre_capture[fr]) {
-
-                       IDEBUG("PlanB: padding pre-capture sequence\n");
-
-                       out_le32 (&pb->planb_base->ch1.cmdptr,
-                                               virt_to_bus(pb->pre_cmd[fr]));
-               } else {
-                       tab_cmd_dbdma(pb->last_cmd[fr], DBDMA_STOP, 0);
-                       tab_cmd_dbdma(pb->cap_cmd[fr], DBDMA_NOP, 0);
-               /* let's be on the safe side. here is not timing critical. */
-                       tab_cmd_dbdma((pb->cap_cmd[fr] + 1), DBDMA_NOP, 0);
-                       out_le32 (&pb->planb_base->ch1.cmdptr,
-                                               virt_to_bus(pb->cap_cmd[fr]));
-               }
-               planb_dbdma_restart(&pb->planb_base->ch1);
-               pb->last_fr = fr;
-       } else {
-               int i;
-
-               IDEBUG("PlanB: ch1 active, grabbing being queued\n");
-
-               if((pb->last_fr == -1) || ((pb->last_fr == -2) &&
-                                               overlay_is_active(pb))) {
-
-                       IDEBUG("PlanB: overlay is active, grabbing defered\n");
-
-                       tab_cmd_dbdma(pb->last_cmd[fr],
-                                       DBDMA_NOP | BR_ALWAYS,
-                                       virt_to_bus(pb->ch1_cmd));
-                       if(pb->need_pre_capture[fr]) {
-
-                               IDEBUG("PlanB: padding pre-capture sequence\n");
-
-                               tab_cmd_store(pb->pre_cmd[fr],
-                                   virt_to_bus(&pb->overlay_last1->cmd_dep),
-                                               virt_to_bus(pb->ch1_cmd));
-                               eieio();
-                               out_le32 (&pb->overlay_last1->cmd_dep,
-                                               virt_to_bus(pb->pre_cmd[fr]));
-                       } else {
-                               tab_cmd_store(pb->cap_cmd[fr],
-                                   virt_to_bus(&pb->overlay_last1->cmd_dep),
-                                               virt_to_bus(pb->ch1_cmd));
-                               tab_cmd_dbdma((pb->cap_cmd[fr] + 1),
-                                                               DBDMA_NOP, 0);
-                               eieio();
-                               out_le32 (&pb->overlay_last1->cmd_dep,
-                                               virt_to_bus(pb->cap_cmd[fr]));
-                       }
-                       for(i = 0; overlay_is_active(pb) && i < 999; i++)
-                               IDEBUG("PlanB: waiting for overlay done\n");
-                       tab_cmd_dbdma(pb->ch1_cmd, DBDMA_NOP, 0);
-                       pb->prev_last_fr = fr;
-                       pb->last_fr = -2;
-               } else if(pb->last_fr == -2) {
-
-                       IDEBUG("PlanB: mixed mode detected, grabbing"
-                               " will be done before activating overlay\n");
-
-                       tab_cmd_dbdma(pb->ch1_cmd, DBDMA_NOP, 0);
-                       if(pb->need_pre_capture[fr]) {
-
-                               IDEBUG("PlanB: padding pre-capture sequence\n");
-
-                               tab_cmd_dbdma(pb->last_cmd[pb->prev_last_fr],
-                                               DBDMA_NOP | BR_ALWAYS,
-                                               virt_to_bus(pb->pre_cmd[fr]));
-                               eieio();
-                       } else {
-                               tab_cmd_dbdma(pb->cap_cmd[fr], DBDMA_NOP, 0);
-                               if(pb->gwidth[pb->prev_last_fr] !=
-                                                               pb->gwidth[fr]
-                                       || pb->gheight[pb->prev_last_fr] !=
-                                                               pb->gheight[fr]
-                                       || pb->gfmt[pb->prev_last_fr] !=
-                                                               pb->gfmt[fr])
-                                       tab_cmd_dbdma((pb->cap_cmd[fr] + 1),
-                                                               DBDMA_NOP, 0);
-                               else
-                                       tab_cmd_dbdma((pb->cap_cmd[fr] + 1),
-                                           DBDMA_NOP | BR_ALWAYS,
-                                           virt_to_bus(pb->cap_cmd[fr] + 16));
-                               tab_cmd_dbdma(pb->last_cmd[pb->prev_last_fr],
-                                               DBDMA_NOP | BR_ALWAYS,
-                                               virt_to_bus(pb->cap_cmd[fr]));
-                               eieio();
-                       }
-                       tab_cmd_dbdma(pb->last_cmd[fr],
-                                       DBDMA_NOP | BR_ALWAYS,
-                                       virt_to_bus(pb->ch1_cmd));
-                       eieio();
-                       pb->prev_last_fr = fr;
-                       pb->last_fr = -2;
-               } else {
-
-                       IDEBUG("PlanB: active grabbing session detected\n");
-
-                       if(pb->need_pre_capture[fr]) {
-
-                               IDEBUG("PlanB: padding pre-capture sequence\n");
-
-                               tab_cmd_dbdma(pb->last_cmd[pb->last_fr],
-                                               DBDMA_NOP | BR_ALWAYS,
-                                               virt_to_bus(pb->pre_cmd[fr]));
-                               eieio();
-                       } else {
-                               tab_cmd_dbdma(pb->last_cmd[fr], DBDMA_STOP, 0);
-                               tab_cmd_dbdma(pb->cap_cmd[fr], DBDMA_NOP, 0);
-                               if(pb->gwidth[pb->last_fr] != pb->gwidth[fr]
-                                       || pb->gheight[pb->last_fr] !=
-                                                               pb->gheight[fr]
-                                       || pb->gfmt[pb->last_fr] !=
-                                                               pb->gfmt[fr])
-                                       tab_cmd_dbdma((pb->cap_cmd[fr] + 1),
-                                                               DBDMA_NOP, 0);
-                               else
-                                       tab_cmd_dbdma((pb->cap_cmd[fr] + 1),
-                                           DBDMA_NOP | BR_ALWAYS,
-                                           virt_to_bus(pb->cap_cmd[fr] + 16));
-                               tab_cmd_dbdma(pb->last_cmd[pb->last_fr],
-                                               DBDMA_NOP | BR_ALWAYS,
-                                               virt_to_bus(pb->cap_cmd[fr]));
-                               eieio();
-                       }
-                       pb->last_fr = fr;
-               }
-               if(!(ACTIVE & in_le32(&pb->planb_base->ch1.status))) {
-
-                       IDEBUG("PlanB: became inactive in the mean time..."
-                               "reactivating\n");
-
-                       planb_dbdma_stop(&pb->planb_base->ch1);
-                       out_le32 (&pb->planb_base->ch1.cmdptr,
-                                               virt_to_bus(pb->cap_cmd[fr]));
-                       planb_dbdma_restart(&pb->planb_base->ch1);
-               }
-       }
-       pb->grabbing++;
-       planb_unlock(pb);
-
-       return 0;
-}
-
-static void planb_pre_capture(int fr, int bpp, struct planb *pb)
-{
-       volatile struct dbdma_cmd *c1 = pb->pre_cmd[fr];
-       int interlace = (pb->gheight[fr] > pb->maxlines/2)? 1: 0;
-
-       tab_cmd_dbdma(c1++, DBDMA_NOP, 0);
-       if((c1 = cmd_geo_setup(c1, pb->gwidth[fr], pb->gheight[fr], interlace,
-                                               bpp, 0, pb)) == NULL) {
-               printk(KERN_WARNING "PlanB: encountered some problems\n");
-               tab_cmd_dbdma(pb->pre_cmd[fr] + 1, DBDMA_STOP, 0);
-               return;
-       }
-       /* Sync to even field */
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.wait_sel),
-               PLANB_SET(FIELD_SYNC));
-       tab_cmd_dbdma(c1++, DBDMA_NOP | WAIT_IFCLR, 0);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.br_sel),
-               PLANB_SET(ODD_FIELD));
-       tab_cmd_dbdma(c1++, DBDMA_NOP | WAIT_IFSET, 0);
-       tab_cmd_dbdma(c1, DBDMA_NOP | BR_IFSET, virt_to_bus(c1-3)); c1++;
-       tab_cmd_dbdma(c1++, DBDMA_NOP | INTR_ALWAYS, 0);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.br_sel),
-               PLANB_SET(DMA_ABORT));
-       /* For non-interlaced, we use even fields only */
-       if (pb->gheight[fr] <= pb->maxlines/2)
-               goto cmd_tab_data_end;
-       /* Sync to odd field */
-       tab_cmd_dbdma(c1++, DBDMA_NOP | WAIT_IFCLR, 0);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.br_sel),
-               PLANB_SET(ODD_FIELD));
-       tab_cmd_dbdma(c1++, DBDMA_NOP | WAIT_IFSET, 0);
-       tab_cmd_dbdma(c1, DBDMA_NOP | BR_IFCLR, virt_to_bus(c1-3)); c1++;
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.br_sel),
-               PLANB_SET(DMA_ABORT));
-cmd_tab_data_end:
-       tab_cmd_dbdma(c1, DBDMA_NOP | BR_ALWAYS, virt_to_bus(pb->cap_cmd[fr]));
-
-       eieio();
-}
-
-static volatile struct dbdma_cmd *setup_grab_cmd(int fr, struct planb *pb)
-{
-       int             i, bpp, count, nlines, stepsize, interlace;
-#ifdef PLANB_GSCANLINE
-       int             scanline;
-#else
-       int             nlpp, leftover1;
-       unsigned long   base;
-#endif
-       unsigned long   jump;
-       int             pagei;
-       volatile struct dbdma_cmd *c1;
-       volatile struct dbdma_cmd *jump_addr;
-
-       c1 = pb->cap_cmd[fr];
-       interlace = (pb->gheight[fr] > pb->maxlines/2)? 1: 0;
-       bpp = pb->gfmt[fr];     /* gfmt = bpp */
-       count = bpp * pb->gwidth[fr];
-       nlines = pb->gheight[fr];
-#ifdef PLANB_GSCANLINE
-       scanline = pb->gbytes_per_line;
-#else
-       pb->lsize[fr] = count;
-       pb->lnum[fr] = 0;
-#endif
-
-       /* Do video in: */
-
-       /* Preamble commands: */
-       tab_cmd_dbdma(c1++, DBDMA_NOP, 0);
-       tab_cmd_dbdma(c1, DBDMA_NOP | BR_ALWAYS, virt_to_bus(c1 + 16)); c1++;
-       if((c1 = cmd_geo_setup(c1, pb->gwidth[fr], pb->gheight[fr], interlace,
-                                               bpp, 0, pb)) == NULL) {
-               printk(KERN_WARNING "PlanB: encountered serious problems\n");
-               tab_cmd_dbdma(pb->cap_cmd[fr] + 1, DBDMA_STOP, 0);
-               return (pb->cap_cmd[fr] + 2);
-       }
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.wait_sel),
-               PLANB_SET(FIELD_SYNC));
-       tab_cmd_dbdma(c1++, DBDMA_NOP | WAIT_IFCLR, 0);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.br_sel),
-               PLANB_SET(ODD_FIELD));
-       tab_cmd_dbdma(c1++, DBDMA_NOP | WAIT_IFSET, 0);
-       tab_cmd_dbdma(c1, DBDMA_NOP | BR_IFSET, virt_to_bus(c1-3)); c1++;
-       tab_cmd_dbdma(c1++, DBDMA_NOP | INTR_ALWAYS, 0);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.br_sel),
-               PLANB_SET(DMA_ABORT));
-
-       if (interlace) {
-               stepsize = 2;
-               jump_addr = c1 + TAB_FACTOR * (nlines + 1) / 2;
-       } else {
-               stepsize = 1;
-               jump_addr = c1 + TAB_FACTOR * nlines;
-       }
-       jump = virt_to_bus(jump_addr);
-
-       /* even field data: */
-
-       pagei = pb->gbuf_idx[fr];
-#ifdef PLANB_GSCANLINE
-       for (i = 0; i < nlines; i += stepsize) {
-               tab_cmd_gen(c1++, INPUT_MORE | BR_IFSET, count,
-                                       virt_to_bus(pb->rawbuf[pagei
-                                       + i * scanline / PAGE_SIZE]), jump);
-       }
-#else
-       i = 0;
-       leftover1 = 0;
-       do {
-           int j;
-
-           base = virt_to_bus(pb->rawbuf[pagei]);
-           nlpp = (PAGE_SIZE - leftover1) / count / stepsize;
-           for(j = 0; j < nlpp && i < nlines; j++, i += stepsize, c1++)
-               tab_cmd_gen(c1, INPUT_MORE | KEY_STREAM0 | BR_IFSET,
-                         count, base + count * j * stepsize + leftover1, jump);
-           if(i < nlines) {
-               int lov0 = PAGE_SIZE - count * nlpp * stepsize - leftover1;
-
-               if(lov0 == 0)
-                   leftover1 = 0;
-               else {
-                   if(lov0 >= count) {
-                       tab_cmd_gen(c1++, INPUT_MORE | BR_IFSET, count, base
-                               + count * nlpp * stepsize + leftover1, jump);
-                   } else {
-                       pb->l_to_addr[fr][pb->lnum[fr]] = pb->rawbuf[pagei]
-                                       + count * nlpp * stepsize + leftover1;
-                       pb->l_to_next_idx[fr][pb->lnum[fr]] = pagei + 1;
-                       pb->l_to_next_size[fr][pb->lnum[fr]] = count - lov0;
-                       tab_cmd_gen(c1++, INPUT_MORE | BR_IFSET, count,
-                               virt_to_bus(pb->rawbuf[pb->l_fr_addr_idx[fr]
-                                               + pb->lnum[fr]]), jump);
-                       if(++pb->lnum[fr] > MAX_LNUM)
-                               pb->lnum[fr]--;
-                   }
-                   leftover1 = count * stepsize - lov0;
-                   i += stepsize;
-               }
-           }
-           pagei++;
-       } while(i < nlines);
-       tab_cmd_dbdma(c1, DBDMA_NOP | BR_ALWAYS, jump);
-       c1 = jump_addr;
-#endif /* PLANB_GSCANLINE */
-
-       /* For non-interlaced, we use even fields only */
-       if (!interlace)
-               goto cmd_tab_data_end;
-
-       /* Sync to odd field */
-       tab_cmd_dbdma(c1++, DBDMA_NOP | WAIT_IFCLR, 0);
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.br_sel),
-               PLANB_SET(ODD_FIELD));
-       tab_cmd_dbdma(c1++, DBDMA_NOP | WAIT_IFSET, 0);
-       tab_cmd_dbdma(c1, DBDMA_NOP | BR_IFCLR, virt_to_bus(c1-3)); c1++;
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->ch1.br_sel),
-               PLANB_SET(DMA_ABORT));
-
-       /* odd field data: */
-       jump_addr = c1 + TAB_FACTOR * nlines / 2;
-       jump = virt_to_bus(jump_addr);
-#ifdef PLANB_GSCANLINE
-       for (i = 1; i < nlines; i += stepsize) {
-               tab_cmd_gen(c1++, INPUT_MORE | BR_IFSET, count,
-                                       virt_to_bus(pb->rawbuf[pagei
-                                       + i * scanline / PAGE_SIZE]), jump);
-       }
-#else
-       i = 1;
-       leftover1 = 0;
-       pagei = pb->gbuf_idx[fr];
-       if(nlines <= 1)
-           goto skip;
-       do {
-           int j;
-
-           base = virt_to_bus(pb->rawbuf[pagei]);
-           nlpp = (PAGE_SIZE - leftover1) / count / stepsize;
-           if(leftover1 >= count) {
-               tab_cmd_gen(c1++, INPUT_MORE | KEY_STREAM0 | BR_IFSET, count,
-                                               base + leftover1 - count, jump);
-               i += stepsize;
-           }
-           for(j = 0; j < nlpp && i < nlines; j++, i += stepsize, c1++)
-               tab_cmd_gen(c1, INPUT_MORE | KEY_STREAM0 | BR_IFSET, count,
-                       base + count * (j * stepsize + 1) + leftover1, jump);
-           if(i < nlines) {
-               int lov0 = PAGE_SIZE - count * nlpp * stepsize - leftover1;
-
-               if(lov0 == 0)
-                   leftover1 = 0;
-               else {
-                   if(lov0 > count) {
-                       pb->l_to_addr[fr][pb->lnum[fr]] = pb->rawbuf[pagei]
-                               + count * (nlpp * stepsize + 1) + leftover1;
-                       pb->l_to_next_idx[fr][pb->lnum[fr]] = pagei + 1;
-                       pb->l_to_next_size[fr][pb->lnum[fr]] = count * stepsize
-                                                                       - lov0;
-                       tab_cmd_gen(c1++, INPUT_MORE | BR_IFSET, count,
-                               virt_to_bus(pb->rawbuf[pb->l_fr_addr_idx[fr]
-                                                       + pb->lnum[fr]]), jump);
-                       if(++pb->lnum[fr] > MAX_LNUM)
-                               pb->lnum[fr]--;
-                       i += stepsize;
-                   }
-                   leftover1 = count * stepsize - lov0;
-               }
-           }
-           pagei++;
-       } while(i < nlines);
-skip:
-       tab_cmd_dbdma(c1, DBDMA_NOP | BR_ALWAYS, jump);
-       c1 = jump_addr;
-#endif /* PLANB_GSCANLINE */
-
-cmd_tab_data_end:
-       tab_cmd_store(c1++, (unsigned)(&pb->planb_base_phys->intr_stat),
-                       (fr << 9) | PLANB_FRM_IRQ | PLANB_GEN_IRQ);
-       /* stop it */
-       tab_cmd_dbdma(c1, DBDMA_STOP, 0);
-
-       eieio();
-       return c1;
-}
-
-static irqreturn_t planb_irq(int irq, void *dev_id)
-{
-       unsigned int stat, astat;
-       struct planb *pb = (struct planb *)dev_id;
-
-       IDEBUG("PlanB: planb_irq()\n");
-
-       /* get/clear interrupt status bits */
-       eieio();
-       stat = in_le32(&pb->planb_base->intr_stat);
-       astat = stat & pb->intr_mask;
-       out_le32(&pb->planb_base->intr_stat, PLANB_FRM_IRQ
-                                       & ~astat & stat & ~PLANB_GEN_IRQ);
-       IDEBUG("PlanB: stat = %X, astat = %X\n", stat, astat);
-
-       if(astat & PLANB_FRM_IRQ) {
-               unsigned int fr = stat >> 9;
-#ifndef PLANB_GSCANLINE
-               int i;
-#endif
-               IDEBUG("PlanB: PLANB_FRM_IRQ\n");
-
-               pb->gcount++;
-
-               IDEBUG("PlanB: grab %d: fr = %d, gcount = %d\n",
-                               pb->grabbing, fr, pb->gcount);
-#ifndef PLANB_GSCANLINE
-               IDEBUG("PlanB: %d * %d bytes are being copied over\n",
-                               pb->lnum[fr], pb->lsize[fr]);
-               for(i = 0; i < pb->lnum[fr]; i++) {
-                       int first = pb->lsize[fr] - pb->l_to_next_size[fr][i];
-
-                       memcpy(pb->l_to_addr[fr][i],
-                               pb->rawbuf[pb->l_fr_addr_idx[fr] + i],
-                               first);
-                       memcpy(pb->rawbuf[pb->l_to_next_idx[fr][i]],
-                               pb->rawbuf[pb->l_fr_addr_idx[fr] + i] + first,
-                                               pb->l_to_next_size[fr][i]);
-               }
-#endif
-               pb->frame_stat[fr] = GBUFFER_DONE;
-               pb->grabbing--;
-               wake_up_interruptible(&pb->capq);
-               return IRQ_HANDLED;
-       }
-       /* incorrect interrupts? */
-       pb->intr_mask = PLANB_CLR_IRQ;
-       out_le32(&pb->planb_base->intr_stat, PLANB_CLR_IRQ);
-       printk(KERN_ERR "PlanB: IRQ lockup, cleared intrrupts"
-                                                       " unconditionally\n");
-       return IRQ_HANDLED;
-}
-
-/*******************************
- * Device Operations functions *
- *******************************/
-
-static int planb_open(struct video_device *dev, int mode)
-{
-       struct planb *pb = (struct planb *)dev;
-
-       if (pb->user == 0) {
-               int err;
-               if((err = planb_prepare_open(pb)) != 0)
-                       return err;
-       }
-       pb->user++;
-
-       DEBUG("PlanB: device opened\n");
-       return 0;
-}
-
-static void planb_close(struct video_device *dev)
-{
-       struct planb *pb = (struct planb *)dev;
-
-       if(pb->user < 1) /* ??? */
-               return;
-       planb_lock(pb);
-       if (pb->user == 1) {
-               if (pb->overlay) {
-                       planb_dbdma_stop(&pb->planb_base->ch2);
-                       planb_dbdma_stop(&pb->planb_base->ch1);
-                       pb->overlay = 0;
-               }
-               planb_prepare_close(pb);
-       }
-       pb->user--;
-       planb_unlock(pb);
-
-       DEBUG("PlanB: device closed\n");
-}
-
-static long planb_read(struct video_device *v, char *buf, unsigned long count,
-                               int nonblock)
-{
-       DEBUG("planb: read request\n");
-       return -EINVAL;
-}
-
-static long planb_write(struct video_device *v, const char *buf,
-                               unsigned long count, int nonblock)
-{
-       DEBUG("planb: write request\n");
-       return -EINVAL;
-}
-
-static int planb_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
-{
-       struct planb *pb=(struct planb *)dev;
-
-       switch (cmd)
-       {
-               case VIDIOCGCAP:
-               {
-                       struct video_capability b;
-
-                       DEBUG("PlanB: IOCTL VIDIOCGCAP\n");
-
-                       strcpy (b.name, pb->video_dev.name);
-                       b.type = VID_TYPE_OVERLAY | VID_TYPE_CLIPPING |
-                                VID_TYPE_FRAMERAM | VID_TYPE_SCALES |
-                                VID_TYPE_CAPTURE;
-                       b.channels = 2; /* composite & svhs */
-                       b.audios = 0;
-                       b.maxwidth = PLANB_MAXPIXELS;
-                       b.maxheight = PLANB_MAXLINES;
-                       b.minwidth = 32; /* wild guess */
-                       b.minheight = 32;
-                       if (copy_to_user(arg,&b,sizeof(b)))
-                               return -EFAULT;
-                       return 0;
-               }
-               case VIDIOCSFBUF:
-               {
-                       struct video_buffer v;
-                       unsigned short bpp;
-                       unsigned int fmt;
-
-                       DEBUG("PlanB: IOCTL VIDIOCSFBUF\n");
-
-                       if (!capable(CAP_SYS_ADMIN)
-                       || !capable(CAP_SYS_RAWIO))
-                               return -EPERM;
-                       if (copy_from_user(&v, arg,sizeof(v)))
-                               return -EFAULT;
-                       planb_lock(pb);
-                       switch(v.depth) {
-                       case 8:
-                               bpp = 1;
-                               fmt = PLANB_GRAY;
-                               break;
-                       case 15:
-                       case 16:
-                               bpp = 2;
-                               fmt = PLANB_COLOUR15;
-                               break;
-                       case 24:
-                       case 32:
-                               bpp = 4;
-                               fmt = PLANB_COLOUR32;
-                               break;
-                       default:
-                               planb_unlock(pb);
-                               return -EINVAL;
-                       }
-                       if (bpp * v.width > v.bytesperline) {
-                               planb_unlock(pb);
-                               return -EINVAL;
-                       }
-                       pb->win.bpp = bpp;
-                       pb->win.color_fmt = fmt;
-                       pb->frame_buffer_phys = (unsigned long) v.base;
-                       pb->win.sheight = v.height;
-                       pb->win.swidth = v.width;
-                       pb->picture.depth = pb->win.depth = v.depth;
-                       pb->win.bpl = pb->win.bpp * pb->win.swidth;
-                       pb->win.pad = v.bytesperline - pb->win.bpl;
-
-                       DEBUG("PlanB: Display at %p is %d by %d, bytedepth %d,"
-                               " bpl %d (+ %d)\n", v.base, v.width,v.height,
-                               pb->win.bpp, pb->win.bpl, pb->win.pad);
-
-                       pb->cmd_buff_inited = 0;
-                       if(pb->overlay) {
-                               suspend_overlay(pb);
-                               fill_cmd_buff(pb);
-                               resume_overlay(pb);
-                       }
-                       planb_unlock(pb);
-                       return 0;
-               }
-               case VIDIOCGFBUF:
-               {
-                       struct video_buffer v;
-
-                       DEBUG("PlanB: IOCTL VIDIOCGFBUF\n");
-
-                       v.base = (void *)pb->frame_buffer_phys;
-                       v.height = pb->win.sheight;
-                       v.width = pb->win.swidth;
-                       v.depth = pb->win.depth;
-                       v.bytesperline = pb->win.bpl + pb->win.pad;
-                       if (copy_to_user(arg, &v, sizeof(v)))
-                               return -EFAULT;
-                       return 0;
-               }
-               case VIDIOCCAPTURE:
-               {
-                       int i;
-
-                       if(copy_from_user(&i, arg, sizeof(i)))
-                               return -EFAULT;
-                       if(i==0) {
-                               DEBUG("PlanB: IOCTL VIDIOCCAPTURE Stop\n");
-
-                               if (!(pb->overlay))
-                                       return 0;
-                               planb_lock(pb);
-                               pb->overlay = 0;
-                               overlay_stop(pb);
-                               planb_unlock(pb);
-                       } else {
-                               DEBUG("PlanB: IOCTL VIDIOCCAPTURE Start\n");
-
-                               if (pb->frame_buffer_phys == 0 ||
-                                         pb->win.width == 0 ||
-                                         pb->win.height == 0)
-                                       return -EINVAL;
-                               if (pb->overlay)
-                                       return 0;
-                               planb_lock(pb);
-                               pb->overlay = 1;
-                               if(!(pb->cmd_buff_inited))
-                                       fill_cmd_buff(pb);
-                               overlay_start(pb);
-                               planb_unlock(pb);
-                       }
-                       return 0;
-               }
-               case VIDIOCGCHAN:
-               {
-                       struct video_channel v;
-
-                       DEBUG("PlanB: IOCTL VIDIOCGCHAN\n");
-
-                       if(copy_from_user(&v, arg,sizeof(v)))
-                               return -EFAULT;
-                       v.flags = 0;
-                       v.tuners = 0;
-                       v.type = VIDEO_TYPE_CAMERA;
-                       v.norm = pb->win.norm;
-                       switch(v.channel)
-                       {
-                       case 0:
-                               strcpy(v.name,"Composite");
-                               break;
-                       case 1:
-                               strcpy(v.name,"SVHS");
-                               break;
-                       default:
-                               return -EINVAL;
-                               break;
-                       }
-                       if(copy_to_user(arg,&v,sizeof(v)))
-                               return -EFAULT;
-
-                       return 0;
-               }
-               case VIDIOCSCHAN:
-               {
-                       struct video_channel v;
-
-                       DEBUG("PlanB: IOCTL VIDIOCSCHAN\n");
-
-                       if(copy_from_user(&v, arg, sizeof(v)))
-                               return -EFAULT;
-
-                       if (v.norm != pb->win.norm) {
-                               int i, maxlines;
-
-                               switch (v.norm)
-                               {
-                               case VIDEO_MODE_PAL:
-                               case VIDEO_MODE_SECAM:
-                                       maxlines = PLANB_MAXLINES;
-                                       break;
-                               case VIDEO_MODE_NTSC:
-                                       maxlines = PLANB_NTSC_MAXLINES;
-                                       break;
-                               default:
-                                       return -EINVAL;
-                                       break;
-                               }
-                               planb_lock(pb);
-                               /* empty the grabbing queue */
-                               wait_event(pb->capq, !pb->grabbing);
-                               pb->maxlines = maxlines;
-                               pb->win.norm = v.norm;
-                               /* Stop overlay if running */
-                               suspend_overlay(pb);
-                               for(i = 0; i < MAX_GBUFFERS; i++)
-                                       pb->gnorm_switch[i] = 1;
-                               /* I know it's an overkill, but.... */
-                               fill_cmd_buff(pb);
-                               /* ok, now init it accordingly */
-                               saa_init_regs (pb);
-                               /* restart overlay if it was running */
-                               resume_overlay(pb);
-                               planb_unlock(pb);
-                       }
-
-                       switch(v.channel)
-                       {
-                       case 0: /* Composite    */
-                               saa_set (SAA7196_IOCC,
-                                       ((saa_regs[pb->win.norm][SAA7196_IOCC] &
-                                         ~7) | 3), pb);
-                               break;
-                       case 1: /* SVHS         */
-                               saa_set (SAA7196_IOCC,
-                                       ((saa_regs[pb->win.norm][SAA7196_IOCC] &
-                                         ~7) | 4), pb);
-                               break;
-                       default:
-                               return -EINVAL;
-                               break;
-                       }
-
-                       return 0;
-               }
-               case VIDIOCGPICT:
-               {
-                       struct video_picture vp = pb->picture;
-
-                       DEBUG("PlanB: IOCTL VIDIOCGPICT\n");
-
-                       switch(pb->win.color_fmt) {
-                       case PLANB_GRAY:
-                               vp.palette = VIDEO_PALETTE_GREY;
-                       case PLANB_COLOUR15:
-                               vp.palette = VIDEO_PALETTE_RGB555;
-                               break;
-                       case PLANB_COLOUR32:
-                               vp.palette = VIDEO_PALETTE_RGB32;
-                               break;
-                       default:
-                               vp.palette = 0;
-                               break;
-                       }
-
-                       if(copy_to_user(arg,&vp,sizeof(vp)))
-                               return -EFAULT;
-                       return 0;
-               }
-               case VIDIOCSPICT:
-               {
-                       struct video_picture vp;
-
-                       DEBUG("PlanB: IOCTL VIDIOCSPICT\n");
-
-                       if(copy_from_user(&vp,arg,sizeof(vp)))
-                               return -EFAULT;
-                       pb->picture = vp;
-                       /* Should we do sanity checks here? */
-                       saa_set (SAA7196_BRIG, (unsigned char)
-                           ((pb->picture.brightness) >> 8), pb);
-                       saa_set (SAA7196_HUEC, (unsigned char)
-                           ((pb->picture.hue) >> 8) ^ 0x80, pb);
-                       saa_set (SAA7196_CSAT, (unsigned char)
-                           ((pb->picture.colour) >> 9), pb);
-                       saa_set (SAA7196_CONT, (unsigned char)
-                           ((pb->picture.contrast) >> 9), pb);
-
-                       return 0;
-               }
-               case VIDIOCSWIN:
-               {
-                       struct video_window     vw;
-                       struct video_clip       clip;
-                       int                     i;
-
-                       DEBUG("PlanB: IOCTL VIDIOCSWIN\n");
-
-                       if(copy_from_user(&vw,arg,sizeof(vw)))
-                               return -EFAULT;
-
-                       planb_lock(pb);
-                       /* Stop overlay if running */
-                       suspend_overlay(pb);
-                       pb->win.interlace = (vw.height > pb->maxlines/2)? 1: 0;
-                       if (pb->win.x != vw.x ||
-                           pb->win.y != vw.y ||
-                           pb->win.width != vw.width ||
-                           pb->win.height != vw.height ||
-                           !pb->cmd_buff_inited) {
-                               pb->win.x = vw.x;
-                               pb->win.y = vw.y;
-                               pb->win.width = vw.width;
-                               pb->win.height = vw.height;
-                               fill_cmd_buff(pb);
-                       }
-                       /* Reset clip mask */
-                       memset ((void *) pb->mask, 0xff, (pb->maxlines
-                                       * ((PLANB_MAXPIXELS + 7) & ~7)) / 8);
-                       /* Add any clip rects */
-                       for (i = 0; i < vw.clipcount; i++) {
-                               if (copy_from_user(&clip, vw.clips + i,
-                                               sizeof(struct video_clip)))
-                                       return -EFAULT;
-                               add_clip(pb, &clip);
-                       }
-                       /* restart overlay if it was running */
-                       resume_overlay(pb);
-                       planb_unlock(pb);
-                       return 0;
-               }
-               case VIDIOCGWIN:
-               {
-                       struct video_window vw;
-
-                       DEBUG("PlanB: IOCTL VIDIOCGWIN\n");
-
-                       vw.x=pb->win.x;
-                       vw.y=pb->win.y;
-                       vw.width=pb->win.width;
-                       vw.height=pb->win.height;
-                       vw.chromakey=0;
-                       vw.flags=0;
-                       if(pb->win.interlace)
-                               vw.flags|=VIDEO_WINDOW_INTERLACE;
-                       if(copy_to_user(arg,&vw,sizeof(vw)))
-                               return -EFAULT;
-                       return 0;
-               }
-               case VIDIOCSYNC: {
-                       int i;
-
-                       IDEBUG("PlanB: IOCTL VIDIOCSYNC\n");
-
-                       if(copy_from_user((void *)&i,arg,sizeof(int)))
-                               return -EFAULT;
-
-                       IDEBUG("PlanB: sync to frame %d\n", i);
-
-                       if(i > (MAX_GBUFFERS - 1) || i < 0)
-                               return -EINVAL;
-chk_grab:
-                       switch (pb->frame_stat[i]) {
-                       case GBUFFER_UNUSED:
-                               return -EINVAL;
-                       case GBUFFER_GRABBING:
-                               IDEBUG("PlanB: waiting for grab"
-                                                       " done (%d)\n", i);
-                               interruptible_sleep_on(&pb->capq);
-                               if(signal_pending(current))
-                                       return -EINTR;
-                               goto chk_grab;
-                       case GBUFFER_DONE:
-                               pb->frame_stat[i] = GBUFFER_UNUSED;
-                               break;
-                       }
-                       return 0;
-               }
-
-               case VIDIOCMCAPTURE:
-               {
-                       struct video_mmap vm;
-                       volatile unsigned int status;
-
-                       IDEBUG("PlanB: IOCTL VIDIOCMCAPTURE\n");
-
-                       if(copy_from_user((void *) &vm,(void *)arg,sizeof(vm)))
-                               return -EFAULT;
-                       status = pb->frame_stat[vm.frame];
-                       if (status != GBUFFER_UNUSED)
-                               return -EBUSY;
-
-                       return vgrab(pb, &vm);
-               }
-
-               case VIDIOCGMBUF:
-               {
-                       int i;
-                       struct video_mbuf vm;
-
-                       DEBUG("PlanB: IOCTL VIDIOCGMBUF\n");
-
-                       memset(&vm, 0 , sizeof(vm));
-                       vm.size = PLANB_MAX_FBUF * MAX_GBUFFERS;
-                       vm.frames = MAX_GBUFFERS;
-                       for(i = 0; i<MAX_GBUFFERS; i++)
-                               vm.offsets[i] = PLANB_MAX_FBUF * i;
-                       if(copy_to_user((void *)arg, (void *)&vm, sizeof(vm)))
-                               return -EFAULT;
-                       return 0;
-               }
-
-               case PLANBIOCGSAAREGS:
-               {
-                       struct planb_saa_regs preg;
-
-                       DEBUG("PlanB: IOCTL PLANBIOCGSAAREGS\n");
-
-                       if(copy_from_user(&preg, arg, sizeof(preg)))
-                               return -EFAULT;
-                       if(preg.addr >= SAA7196_NUMREGS)
-                               return -EINVAL;
-                       preg.val = saa_regs[pb->win.norm][preg.addr];
-                       if(copy_to_user((void *)arg, (void *)&preg,
-                                                               sizeof(preg)))
-                               return -EFAULT;
-                       return 0;
-               }
-
-               case PLANBIOCSSAAREGS:
-               {
-                       struct planb_saa_regs preg;
-
-                       DEBUG("PlanB: IOCTL PLANBIOCSSAAREGS\n");
-
-                       if(copy_from_user(&preg, arg, sizeof(preg)))
-                               return -EFAULT;
-                       if(preg.addr >= SAA7196_NUMREGS)
-                               return -EINVAL;
-                       saa_set (preg.addr, preg.val, pb);
-                       return 0;
-               }
-
-               case PLANBIOCGSTAT:
-               {
-                       struct planb_stat_regs pstat;
-
-                       DEBUG("PlanB: IOCTL PLANBIOCGSTAT\n");
-
-                       pstat.ch1_stat = in_le32(&pb->planb_base->ch1.status);
-                       pstat.ch2_stat = in_le32(&pb->planb_base->ch2.status);
-                       pstat.saa_stat0 = saa_status(0, pb);
-                       pstat.saa_stat1 = saa_status(1, pb);
-
-                       if(copy_to_user((void *)arg, (void *)&pstat,
-                                                       sizeof(pstat)))
-                               return -EFAULT;
-                       return 0;
-               }
-
-               case PLANBIOCSMODE: {
-                       int v;
-
-                       DEBUG("PlanB: IOCTL PLANBIOCSMODE\n");
-
-                       if(copy_from_user(&v, arg, sizeof(v)))
-                               return -EFAULT;
-
-                       switch(v)
-                       {
-                       case PLANB_TV_MODE:
-                               saa_set (SAA7196_STDC,
-                                       (saa_regs[pb->win.norm][SAA7196_STDC] &
-                                         0x7f), pb);
-                               break;
-                       case PLANB_VTR_MODE:
-                               saa_set (SAA7196_STDC,
-                                       (saa_regs[pb->win.norm][SAA7196_STDC] |
-                                         0x80), pb);
-                               break;
-                       default:
-                               return -EINVAL;
-                               break;
-                       }
-                       pb->win.mode = v;
-                       return 0;
-               }
-               case PLANBIOCGMODE: {
-                       int v=pb->win.mode;
-
-                       DEBUG("PlanB: IOCTL PLANBIOCGMODE\n");
-
-                       if(copy_to_user(arg,&v,sizeof(v)))
-                               return -EFAULT;
-                       return 0;
-               }
-#ifdef PLANB_GSCANLINE
-               case PLANBG_GRAB_BPL: {
-                       int v=pb->gbytes_per_line;
-
-                       DEBUG("PlanB: IOCTL PLANBG_GRAB_BPL\n");
-
-                       if(copy_to_user(arg,&v,sizeof(v)))
-                               return -EFAULT;
-                       return 0;
-               }
-#endif /* PLANB_GSCANLINE */
-               case PLANB_INTR_DEBUG: {
-                       int i;
-
-                       DEBUG("PlanB: IOCTL PLANB_INTR_DEBUG\n");
-
-                       if(copy_from_user(&i, arg, sizeof(i)))
-                               return -EFAULT;
-
-                       /* avoid hang ups all together */
-                       for (i = 0; i < MAX_GBUFFERS; i++) {
-                               if(pb->frame_stat[i] == GBUFFER_GRABBING) {
-                                       pb->frame_stat[i] = GBUFFER_DONE;
-                               }
-                       }
-                       if(pb->grabbing)
-                               pb->grabbing--;
-                       wake_up_interruptible(&pb->capq);
-                       return 0;
-               }
-               case PLANB_INV_REGS: {
-                       int i;
-                       struct planb_any_regs any;
-
-                       DEBUG("PlanB: IOCTL PLANB_INV_REGS\n");
-
-                       if(copy_from_user(&any, arg, sizeof(any)))
-                               return -EFAULT;
-                       if(any.offset < 0 || any.offset + any.bytes > 0x400)
-                               return -EINVAL;
-                       if(any.bytes > 128)
-                               return -EINVAL;
-                       for (i = 0; i < any.bytes; i++) {
-                               any.data[i] =
-                                       in_8((unsigned char *)pb->planb_base
-                                                       + any.offset + i);
-                       }
-                       if(copy_to_user(arg,&any,sizeof(any)))
-                               return -EFAULT;
-                       return 0;
-               }
-               default:
-               {
-                       DEBUG("PlanB: Unimplemented IOCTL\n");
-                       return -ENOIOCTLCMD;
-               }
-       /* Some IOCTLs are currently unsupported on PlanB */
-               case VIDIOCGTUNER: {
-               DEBUG("PlanB: IOCTL VIDIOCGTUNER\n");
-                       goto unimplemented; }
-               case VIDIOCSTUNER: {
-               DEBUG("PlanB: IOCTL VIDIOCSTUNER\n");
-                       goto unimplemented; }
-               case VIDIOCSFREQ: {
-               DEBUG("PlanB: IOCTL VIDIOCSFREQ\n");
-                       goto unimplemented; }
-               case VIDIOCGFREQ: {
-               DEBUG("PlanB: IOCTL VIDIOCGFREQ\n");
-                       goto unimplemented; }
-               case VIDIOCKEY: {
-               DEBUG("PlanB: IOCTL VIDIOCKEY\n");
-                       goto unimplemented; }
-               case VIDIOCSAUDIO: {
-               DEBUG("PlanB: IOCTL VIDIOCSAUDIO\n");
-                       goto unimplemented; }
-               case VIDIOCGAUDIO: {
-               DEBUG("PlanB: IOCTL VIDIOCGAUDIO\n");
-                       goto unimplemented; }
-unimplemented:
-               DEBUG("       Unimplemented\n");
-                       return -ENOIOCTLCMD;
-       }
-       return 0;
-}
-
-static int planb_mmap(struct vm_area_struct *vma, struct video_device *dev, const char *adr, unsigned long size)
-{
-       int i;
-       struct planb *pb = (struct planb *)dev;
-       unsigned long start = (unsigned long)adr;
-
-       if (size > MAX_GBUFFERS * PLANB_MAX_FBUF)
-               return -EINVAL;
-       if (!pb->rawbuf) {
-               int err;
-               if((err=grabbuf_alloc(pb)))
-                       return err;
-       }
-       for (i = 0; i < pb->rawbuf_size; i++) {
-               unsigned long pfn;
-
-               pfn = virt_to_phys((void *)pb->rawbuf[i]) >> PAGE_SHIFT;
-               if (remap_pfn_range(vma, start, pfn, PAGE_SIZE, PAGE_SHARED))
-                       return -EAGAIN;
-               start += PAGE_SIZE;
-               if (size <= PAGE_SIZE)
-                       break;
-               size -= PAGE_SIZE;
-       }
-       return 0;
-}
-
-static struct video_device planb_template=
-{
-       .owner          = THIS_MODULE,
-       .name           = PLANB_DEVICE_NAME,
-       .type           = VID_TYPE_OVERLAY,
-       .open           = planb_open,
-       .close          = planb_close,
-       .read           = planb_read,
-       .write          = planb_write,
-       .ioctl          = planb_ioctl,
-       .mmap           = planb_mmap,   /* mmap? */
-};
-
-static int init_planb(struct planb *pb)
-{
-       unsigned char saa_rev;
-       int i, result;
-
-       memset ((void *) &pb->win, 0, sizeof (struct planb_window));
-       /* Simple sanity check */
-       if(def_norm >= NUM_SUPPORTED_NORM || def_norm < 0) {
-               printk(KERN_ERR "PlanB: Option(s) invalid\n");
-               return -2;
-       }
-       pb->win.norm = def_norm;
-       pb->win.mode = PLANB_TV_MODE;   /* TV mode */
-       pb->win.interlace=1;
-       pb->win.x=0;
-       pb->win.y=0;
-       pb->win.width=768; /* 640 */
-       pb->win.height=576; /* 480 */
-       pb->maxlines=576;
-#if 0
-       btv->win.cropwidth=768; /* 640 */
-       btv->win.cropheight=576; /* 480 */
-       btv->win.cropx=0;
-       btv->win.cropy=0;
-#endif
-       pb->win.pad=0;
-       pb->win.bpp=4;
-       pb->win.depth=32;
-       pb->win.color_fmt=PLANB_COLOUR32;
-       pb->win.bpl=1024*pb->win.bpp;
-       pb->win.swidth=1024;
-       pb->win.sheight=768;
-#ifdef PLANB_GSCANLINE
-       if((pb->gbytes_per_line = PLANB_MAXPIXELS * 4) > PAGE_SIZE
-                               || (pb->gbytes_per_line <= 0))
-               return -3;
-       else {
-               /* page align pb->gbytes_per_line for DMA purpose */
-               for(i = PAGE_SIZE; pb->gbytes_per_line < (i>>1);)
-                       i>>=1;
-               pb->gbytes_per_line = i;
-       }
-#endif
-       pb->tab_size = PLANB_MAXLINES + 40;
-       pb->suspend = 0;
-       mutex_init(&pb->lock);
-       pb->ch1_cmd = 0;
-       pb->ch2_cmd = 0;
-       pb->mask = 0;
-       pb->priv_space = 0;
-       pb->offset = 0;
-       pb->user = 0;
-       pb->overlay = 0;
-       init_waitqueue_head(&pb->suspendq);
-       pb->cmd_buff_inited = 0;
-       pb->frame_buffer_phys = 0;
-
-       /* Reset DMA controllers */
-       planb_dbdma_stop(&pb->planb_base->ch2);
-       planb_dbdma_stop(&pb->planb_base->ch1);
-
-       saa_rev =  (saa_status(0, pb) & 0xf0) >> 4;
-       printk(KERN_INFO "PlanB: SAA7196 video processor rev. %d\n", saa_rev);
-       /* Initialize the SAA registers in memory and on chip */
-       saa_init_regs (pb);
-
-       /* clear interrupt mask */
-       pb->intr_mask = PLANB_CLR_IRQ;
-
-       result = request_irq(pb->irq, planb_irq, 0, "PlanB", pb);
-       if (result < 0) {
-               if (result==-EINVAL)
-                       printk(KERN_ERR "PlanB: Bad irq number (%d) "
-                                               "or handler\n", (int)pb->irq);
-               else if (result==-EBUSY)
-                       printk(KERN_ERR "PlanB: I don't know why, "
-                                       "but IRQ %d is busy\n", (int)pb->irq);
-               return result;
-       }
-       disable_irq(pb->irq);
-
-       /* Now add the template and register the device unit. */
-       memcpy(&pb->video_dev,&planb_template,sizeof(planb_template));
-
-       pb->picture.brightness=0x90<<8;
-       pb->picture.contrast = 0x70 << 8;
-       pb->picture.colour = 0x70<<8;
-       pb->picture.hue = 0x8000;
-       pb->picture.whiteness = 0;
-       pb->picture.depth = pb->win.depth;
-
-       pb->frame_stat=NULL;
-       init_waitqueue_head(&pb->capq);
-       for(i=0; i<MAX_GBUFFERS; i++) {
-               pb->gbuf_idx[i] = PLANB_MAX_FBUF * i / PAGE_SIZE;
-               pb->gwidth[i]=0;
-               pb->gheight[i]=0;
-               pb->gfmt[i]=0;
-               pb->cap_cmd[i]=NULL;
-#ifndef PLANB_GSCANLINE
-               pb->l_fr_addr_idx[i] = MAX_GBUFFERS * (PLANB_MAX_FBUF
-                                               / PAGE_SIZE + 1) + MAX_LNUM * i;
-               pb->lsize[i] = 0;
-               pb->lnum[i] = 0;
-#endif
-       }
-       pb->rawbuf=NULL;
-       pb->grabbing=0;
-
-       /* enable interrupts */
-       out_le32(&pb->planb_base->intr_stat, PLANB_CLR_IRQ);
-       pb->intr_mask = PLANB_FRM_IRQ;
-       enable_irq(pb->irq);
-
-       if(video_register_device(&pb->video_dev, VFL_TYPE_GRABBER, video_nr)<0)
-               return -1;
-
-       return 0;
-}
-
-/*
- *     Scan for a PlanB controller, request the irq and map the io memory
- */
-
-static int find_planb(void)
-{
-       struct planb            *pb;
-       struct device_node      *planb_devices;
-       unsigned char           dev_fn, confreg, bus;
-       unsigned int            old_base, new_base;
-       unsigned int            irq;
-       struct pci_dev          *pdev;
-       int rc;
-
-       if (!machine_is(powermac))
-               return 0;
-
-       planb_devices = of_find_node_by_name(NULL, "planb");
-       if (planb_devices == 0) {
-               planb_num=0;
-               printk(KERN_WARNING "PlanB: no device found!\n");
-               return planb_num;
-       }
-
-       if (planb_devices->next != NULL)
-               printk(KERN_ERR "Warning: only using first PlanB device!\n");
-       pb = &planbs[0];
-       planb_num = 1;
-
-       if (planb_devices->n_addrs != 1) {
-               printk (KERN_WARNING "PlanB: expecting 1 address for planb "
-                       "(got %d)", planb_devices->n_addrs);
-               of_node_put(planb_devices);
-               return 0;
-       }
-
-       if (planb_devices->n_intrs == 0) {
-               printk(KERN_WARNING "PlanB: no intrs for device %s\n",
-                      planb_devices->full_name);
-               of_node_put(planb_devices);
-               return 0;
-       } else {
-               irq = planb_devices->intrs[0].line;
-       }
-
-       /* Initialize PlanB's PCI registers */
-
-       /* There is a bug with the way OF assigns addresses
-          to the devices behind the chaos bridge.
-          control needs only 0x1000 of space, but decodes only
-          the upper 16 bits. It therefore occupies a full 64K.
-          OF assigns the planb controller memory within this space;
-          so we need to change that here in order to access planb. */
-
-       /* We remap to 0xf1000000 in hope that nobody uses it ! */
-
-       bus = (planb_devices->addrs[0].space >> 16) & 0xff;
-       dev_fn = (planb_devices->addrs[0].space >> 8) & 0xff;
-       confreg = planb_devices->addrs[0].space & 0xff;
-       old_base = planb_devices->addrs[0].address;
-       new_base = 0xf1000000;
-       of_node_put(planb_devices);
-
-       DEBUG("PlanB: Found on bus %d, dev %d, func %d, "
-               "membase 0x%x (base reg. 0x%x)\n",
-               bus, PCI_SLOT(dev_fn), PCI_FUNC(dev_fn), old_base, confreg);
-
-       pdev = pci_get_bus_and_slot(bus, dev_fn);
-       if (!pdev) {
-               printk(KERN_ERR "planb: cannot find slot\n");
-               goto err_out;
-       }
-
-       /* Enable response in memory space, bus mastering,
-          use memory write and invalidate */
-       rc = pci_enable_device(pdev);
-       if (rc) {
-               printk(KERN_ERR "planb: cannot enable PCI device %s\n",
-                      pci_name(pdev));
-               goto err_out;
-       }
-       rc = pci_set_mwi(pdev);
-       if (rc) {
-               printk(KERN_ERR "planb: cannot enable MWI on PCI device %s\n",
-                      pci_name(pdev));
-               goto err_out_disable;
-       }
-       pci_set_master(pdev);
-
-       /* Set the new base address */
-       pci_write_config_dword (pdev, confreg, new_base);
-
-       planb_regs = (volatile struct planb_registers *)
-                                               ioremap (new_base, 0x400);
-       pb->planb_base = planb_regs;
-       pb->planb_base_phys = (struct planb_registers *)new_base;
-       pb->irq = irq;
-       pb->dev = pdev;
-
-       return planb_num;
-
-err_out_disable:
-       pci_disable_device(pdev);
-err_out:
-       /* FIXME handle error */   /* comment moved from pci_find_slot, above */
-       pci_dev_put(pdev);
-       return 0;
-}
-
-static void release_planb(void)
-{
-       int i;
-       struct planb *pb;
-
-       for (i=0;i<planb_num; i++)
-       {
-               pb=&planbs[i];
-
-               /* stop and flash DMAs unconditionally */
-               planb_dbdma_stop(&pb->planb_base->ch2);
-               planb_dbdma_stop(&pb->planb_base->ch1);
-
-               /* clear and free interrupts */
-               pb->intr_mask = PLANB_CLR_IRQ;
-               out_le32 (&pb->planb_base->intr_stat, PLANB_CLR_IRQ);
-               free_irq(pb->irq, pb);
-
-               /* make sure all allocated memory are freed */
-               planb_prepare_close(pb);
-
-               printk(KERN_INFO "PlanB: unregistering with v4l\n");
-               video_unregister_device(&pb->video_dev);
-
-               pci_dev_put(pb->dev);
-
-               /* note that iounmap() does nothing on the PPC right now */
-               iounmap ((void *)pb->planb_base);
-       }
-}
-
-static int __init init_planbs(void)
-{
-       int i;
-
-       if (find_planb()<=0)
-               return -EIO;
-
-       for (i=0; i<planb_num; i++) {
-               if (init_planb(&planbs[i])<0) {
-                       printk(KERN_ERR "PlanB: error registering device %d"
-                                                       " with v4l\n", i);
-                       release_planb();
-                       return -EIO;
-               }
-               printk(KERN_INFO "PlanB: registered device %d with v4l\n", i);
-       }
-       return 0;
-}
-
-static void __exit exit_planbs(void)
-{
-       release_planb();
-}
-
-module_init(init_planbs);
-module_exit(exit_planbs);
index e21b573..e69de29 100644 (file)
@@ -1,232 +0,0 @@
-/*
-    planb - PlanB frame grabber driver
-
-    PlanB is used in the 7x00/8x00 series of PowerMacintosh
-    Computers as video input DMA controller.
-
-    Copyright (C) 1998 Michel Lanners (mlan@cpu.lu)
-
-    Based largely on the bttv driver by Ralph Metzler (rjkm@thp.uni-koeln.de)
-
-    Additional debugging and coding by Takashi Oe (toe@unlserve.unl.edu)
-
-
-    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.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/* $Id: planb.h,v 1.13 1999/05/03 19:28:56 mlan Exp $ */
-
-#ifndef _PLANB_H_
-#define _PLANB_H_
-
-#ifdef __KERNEL__
-#include <asm/dbdma.h>
-#include "saa7196.h"
-#endif /* __KERNEL__ */
-
-#define PLANB_DEVICE_NAME      "Apple PlanB Video-In"
-#define PLANB_REV              "1.0"
-
-#ifdef __KERNEL__
-//#define PLANB_GSCANLINE      /* use this if apps have the notion of */
-                               /* grab buffer scanline */
-/* This should be safe for both PAL and NTSC */
-#define PLANB_MAXPIXELS 768
-#define PLANB_MAXLINES 576
-#define PLANB_NTSC_MAXLINES 480
-
-/* Uncomment your preferred norm ;-) */
-#define PLANB_DEF_NORM VIDEO_MODE_PAL
-//#define PLANB_DEF_NORM VIDEO_MODE_NTSC
-//#define PLANB_DEF_NORM VIDEO_MODE_SECAM
-
-/* fields settings */
-#define PLANB_GRAY     0x1     /*  8-bit mono? */
-#define PLANB_COLOUR15 0x2     /* 16-bit mode */
-#define PLANB_COLOUR32 0x4     /* 32-bit mode */
-#define PLANB_CLIPMASK 0x8     /* hardware clipmasking */
-
-/* misc. flags for PlanB DMA operation */
-#define        CH_SYNC         0x1     /* synchronize channels (set by ch1;
-                                  cleared by ch2) */
-#define FIELD_SYNC     0x2     /* used for the start of each field
-                                  (0 -> 1 -> 0 for ch1; 0 -> 1 for ch2) */
-#define EVEN_FIELD     0x0     /* even field is detected if unset */
-#define DMA_ABORT      0x2     /* error or just out of sync if set */
-#define ODD_FIELD      0x4     /* odd field is detected if set */
-
-/* for capture operations */
-#define MAX_GBUFFERS   2
-/* note PLANB_MAX_FBUF must be divisible by PAGE_SIZE */
-#ifdef PLANB_GSCANLINE
-#define PLANB_MAX_FBUF 0x240000        /* 576 * 1024 * 4 */
-#define TAB_FACTOR     (1)
-#else
-#define PLANB_MAX_FBUF 0x1b0000        /* 576 * 768 * 4 */
-#define TAB_FACTOR     (2)
-#endif
-#endif /* __KERNEL__ */
-
-struct planb_saa_regs {
-       unsigned char addr;
-       unsigned char val;
-};
-
-struct planb_stat_regs {
-       unsigned int ch1_stat;
-       unsigned int ch2_stat;
-       unsigned char saa_stat0;
-       unsigned char saa_stat1;
-};
-
-struct planb_any_regs {
-       unsigned int offset;
-       unsigned int bytes;
-       unsigned char data[128];
-};
-
-/* planb private ioctls */
-#define PLANBIOCGSAAREGS       _IOWR('v', BASE_VIDIOCPRIVATE, struct planb_saa_regs)   /* Read a saa7196 reg value */
-#define PLANBIOCSSAAREGS       _IOW('v', BASE_VIDIOCPRIVATE + 1, struct planb_saa_regs)        /* Set a saa7196 reg value */
-#define PLANBIOCGSTAT          _IOR('v', BASE_VIDIOCPRIVATE + 2, struct planb_stat_regs)       /* Read planb status */
-#define PLANB_TV_MODE          1
-#define PLANB_VTR_MODE         2
-#define PLANBIOCGMODE          _IOR('v', BASE_VIDIOCPRIVATE + 3, int)  /* Get TV/VTR mode */
-#define PLANBIOCSMODE          _IOW('v', BASE_VIDIOCPRIVATE + 4, int)  /* Set TV/VTR mode */
-
-#ifdef PLANB_GSCANLINE
-#define PLANBG_GRAB_BPL                _IOR('v', BASE_VIDIOCPRIVATE + 5, int)  /* # of bytes per scanline in grab buffer */
-#endif
-
-/* call wake_up_interruptible() with appropriate actions */
-#define PLANB_INTR_DEBUG       _IOW('v', BASE_VIDIOCPRIVATE + 20, int)
-/* investigate which reg does what */
-#define PLANB_INV_REGS         _IOWR('v', BASE_VIDIOCPRIVATE + 21, struct planb_any_regs)
-
-#ifdef __KERNEL__
-
-/* Potentially useful macros */
-#define PLANB_SET(x)   ((x) << 16 | (x))
-#define PLANB_CLR(x)   ((x) << 16)
-
-/* This represents the physical register layout */
-struct planb_registers {
-       volatile struct dbdma_regs      ch1;            /* 0x00: video in */
-       volatile unsigned int           even;           /* 0x40: even field setting */
-       volatile unsigned int           odd;            /* 0x44; odd field setting */
-       unsigned int                    pad1[14];       /* empty? */
-       volatile struct dbdma_regs      ch2;            /* 0x80: clipmask out */
-       unsigned int                    pad2[16];       /* 0xc0: empty? */
-       volatile unsigned int           reg3;           /* 0x100: ???? */
-       volatile unsigned int           intr_stat;      /* 0x104: irq status */
-#define PLANB_CLR_IRQ          0x00            /* clear Plan B interrupt */
-#define PLANB_GEN_IRQ          0x01            /* assert Plan B interrupt */
-#define PLANB_FRM_IRQ          0x0100          /* end of frame */
-       unsigned int                    pad3[1];        /* empty? */
-       volatile unsigned int           reg5;           /* 0x10c: ??? */
-       unsigned int                    pad4[60];       /* empty? */
-       volatile unsigned char          saa_addr;       /* 0x200: SAA subadr */
-       char                            pad5[3];
-       volatile unsigned char          saa_regval;     /* SAA7196 write reg. val */
-       char                            pad6[3];
-       volatile unsigned char          saa_status;     /* SAA7196 status byte */
-       /* There is more unused stuff here */
-};
-
-struct planb_window {
-       int     x, y;
-       ushort  width, height;
-       ushort  bpp, bpl, depth, pad;
-       ushort  swidth, sheight;
-       int     norm;
-       int     interlace;
-       u32     color_fmt;
-       int     chromakey;
-       int     mode;           /* used to switch between TV/VTR modes */
-};
-
-struct planb_suspend {
-       int overlay;
-       int frame;
-       struct dbdma_cmd cmd;
-};
-
-struct planb {
-       struct  video_device video_dev;
-       struct  video_picture picture;          /* Current picture params */
-       struct  video_audio audio_dev;          /* Current audio params */
-
-       volatile struct planb_registers *planb_base;    /* virt base of planb */
-       struct planb_registers *planb_base_phys;        /* phys base of planb */
-       void    *priv_space;                    /* Org. alloc. mem for kfree */
-       int     user;
-       unsigned int tab_size;
-       int     maxlines;
-       struct mutex lock;
-       unsigned int    irq;                    /* interrupt number */
-       volatile unsigned int intr_mask;
-       struct pci_dev *dev;                    /* Our PCI device */
-
-       int     overlay;                        /* overlay running? */
-       struct  planb_window win;
-       unsigned long frame_buffer_phys;        /* We need phys for DMA */
-       int     offset;                         /* offset of pixel 1 */
-       volatile struct dbdma_cmd *ch1_cmd;     /* Video In DMA cmd buffer */
-       volatile struct dbdma_cmd *ch2_cmd;     /* Clip Out DMA cmd buffer */
-       volatile struct dbdma_cmd *overlay_last1;
-       volatile struct dbdma_cmd *overlay_last2;
-       unsigned long ch1_cmd_phys;
-       volatile unsigned char *mask;           /* Clipmask buffer */
-       int suspend;
-       wait_queue_head_t suspendq;
-       struct planb_suspend suspended;
-       int     cmd_buff_inited;                /* cmd buffer inited? */
-
-       int grabbing;
-       unsigned int gcount;
-       wait_queue_head_t capq;
-       int last_fr;
-       int prev_last_fr;
-       unsigned char **rawbuf;
-       int rawbuf_size;
-       int gbuf_idx[MAX_GBUFFERS];
-       volatile struct dbdma_cmd *cap_cmd[MAX_GBUFFERS];
-       volatile struct dbdma_cmd *last_cmd[MAX_GBUFFERS];
-       volatile struct dbdma_cmd *pre_cmd[MAX_GBUFFERS];
-       int need_pre_capture[MAX_GBUFFERS];
-#define PLANB_DUMMY 40 /* # of command buf's allocated for pre-capture seq. */
-       int gwidth[MAX_GBUFFERS], gheight[MAX_GBUFFERS];
-       unsigned int gfmt[MAX_GBUFFERS];
-       int gnorm_switch[MAX_GBUFFERS];
-       volatile unsigned int *frame_stat;
-#define GBUFFER_UNUSED       0x00U
-#define GBUFFER_GRABBING     0x01U
-#define GBUFFER_DONE         0x02U
-#ifdef PLANB_GSCANLINE
-       int gbytes_per_line;
-#else
-#define MAX_LNUM 431   /* change this if PLANB_MAXLINES or */
-                       /* PLANB_MAXPIXELS changes */
-       int l_fr_addr_idx[MAX_GBUFFERS];
-       unsigned char *l_to_addr[MAX_GBUFFERS][MAX_LNUM];
-       int l_to_next_idx[MAX_GBUFFERS][MAX_LNUM];
-       int l_to_next_size[MAX_GBUFFERS][MAX_LNUM];
-       int lsize[MAX_GBUFFERS], lnum[MAX_GBUFFERS];
-#endif
-};
-
-#endif /* __KERNEL__ */
-
-#endif /* _PLANB_H_ */
index cd4b635..e69de29 100644 (file)
@@ -1,117 +0,0 @@
-/*
-    Definitions for the Philips SAA7196 digital video decoder,
-    scaler, and clock generator circuit (DESCpro), as used in
-    the PlanB video input of the Powermac 7x00/8x00 series.
-
-    Copyright (C) 1998 Michel Lanners (mlan@cpu.lu)
-
-    The register defines are shamelessly copied from the meteor
-    driver out of NetBSD (with permission),
-    and are copyrighted (c) 1995 Mark Tinguely and Jim Lowe
-    (Thanks !)
-
-    Additional debugging and coding by Takashi Oe (toe@unlinfo.unl.edu)
-
-    The default values used for PlanB are my mistakes.
-*/
-
-/* $Id: saa7196.h,v 1.5 1999/03/26 23:28:47 mlan Exp $ */
-
-#ifndef _SAA7196_H_
-#define _SAA7196_H_
-
-#define SAA7196_NUMREGS        0x31    /* Number of registers (used)*/
-#define NUM_SUPPORTED_NORM 3   /* Number of supported norms by PlanB */
-
-/* Decoder part: */
-#define SAA7196_IDEL    0x00    /* Increment delay */
-#define SAA7196_HSB5    0x01    /* H-sync begin; 50 hz */
-#define SAA7196_HSS5    0x02    /* H-sync stop; 50 hz */
-#define SAA7196_HCB5    0x03    /* H-clamp begin; 50 hz */
-#define SAA7196_HCS5    0x04    /* H-clamp stop; 50 hz */
-#define SAA7196_HSP5    0x05    /* H-sync after PHI1; 50 hz */
-#define SAA7196_LUMC    0x06    /* Luminance control */
-#define SAA7196_HUEC    0x07    /* Hue control */
-#define SAA7196_CKTQ    0x08    /* Colour Killer Threshold QAM (PAL, NTSC) */
-#define SAA7196_CKTS    0x09    /* Colour Killer Threshold SECAM */
-#define SAA7196_PALS    0x0a    /* PAL switch sensitivity */
-#define SAA7196_SECAMS  0x0b    /* SECAM switch sensitivity */
-#define SAA7196_CGAINC  0x0c    /* Chroma gain control */
-#define SAA7196_STDC    0x0d    /* Standard/Mode control */
-#define SAA7196_IOCC    0x0e    /* I/O and Clock Control */
-#define SAA7196_CTRL1   0x0f    /* Control #1 */
-#define SAA7196_CTRL2   0x10    /* Control #2 */
-#define SAA7196_CGAINR  0x11    /* Chroma Gain Reference */
-#define SAA7196_CSAT    0x12    /* Chroma Saturation */
-#define SAA7196_CONT    0x13    /* Luminance Contrast */
-#define SAA7196_HSB6    0x14    /* H-sync begin; 60 hz */
-#define SAA7196_HSS6    0x15    /* H-sync stop; 60 hz */
-#define SAA7196_HCB6    0x16    /* H-clamp begin; 60 hz */
-#define SAA7196_HCS6    0x17    /* H-clamp stop; 60 hz */
-#define SAA7196_HSP6    0x18    /* H-sync after PHI1; 60 hz */
-#define SAA7196_BRIG    0x19    /* Luminance Brightness */
-
-/* Scaler part: */
-#define SAA7196_FMTS    0x20    /* Formats and sequence */
-#define SAA7196_OUTPIX  0x21    /* Output data pixel/line */
-#define SAA7196_INPIX   0x22    /* Input data pixel/line */
-#define SAA7196_HWS     0x23    /* Horiz. window start */
-#define SAA7196_HFILT   0x24    /* Horiz. filter */
-#define SAA7196_OUTLINE 0x25    /* Output data lines/field */
-#define SAA7196_INLINE  0x26    /* Input data lines/field */
-#define SAA7196_VWS     0x27    /* Vertical window start */
-#define SAA7196_VYP     0x28    /* AFS/vertical Y processing */
-#define SAA7196_VBS     0x29    /* Vertical Bypass start */
-#define SAA7196_VBCNT   0x2a    /* Vertical Bypass count */
-#define SAA7196_VBP     0x2b    /* veritcal Bypass Polarity */
-#define SAA7196_VLOW    0x2c    /* Colour-keying lower V limit */
-#define SAA7196_VHIGH   0x2d    /* Colour-keying upper V limit */
-#define SAA7196_ULOW    0x2e    /* Colour-keying lower U limit */
-#define SAA7196_UHIGH   0x2f    /* Colour-keying upper U limit */
-#define SAA7196_DPATH   0x30    /* Data path setting  */
-
-/* Initialization default values: */
-
-unsigned char saa_regs[NUM_SUPPORTED_NORM][SAA7196_NUMREGS] = {
-
-/* PAL, 768x576 (no scaling), composite video-in */
-/* Decoder: */
-      { 0x50, 0x30, 0x00, 0xe8, 0xb6, 0xe5, 0x63, 0xff,
-       0xfe, 0xf0, 0xfe, 0xe0, 0x20, 0x06, 0x3b, 0x98,
-       0x00, 0x59, 0x41, 0x45, 0x34, 0x0a, 0xf4, 0xd2,
-       0xe9, 0xa2,
-/* Padding */
-                   0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
-/* Scaler: */
-       0x72, 0x80, 0x00, 0x03, 0x8d, 0x20, 0x20, 0x12,
-       0xa5, 0x12, 0x00, 0x00, 0x04, 0x00, 0x04, 0x00,
-       0x87 },
-
-/* NTSC, 640x480? (no scaling), composite video-in */
-/* Decoder: */
-      { 0x50, 0x30, 0x00, 0xe8, 0xb6, 0xe5, 0x50, 0x00,
-       0xf8, 0xf0, 0xfe, 0xe0, 0x00, 0x06, 0x3b, 0x98,
-       0x00, 0x2c, 0x3d, 0x40, 0x34, 0x0a, 0xf4, 0xd2,
-       0xe9, 0x98,
-/* Padding */
-                   0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
-/* Scaler: */
-       0x72, 0x80, 0x80, 0x03, 0x89, 0xf0, 0xf0, 0x0d,
-       0xa0, 0x0d, 0x00, 0x00, 0x04, 0x00, 0x04, 0x00,
-       0x87 },
-
-/* SECAM, 768x576 (no scaling), composite video-in */
-/* Decoder: */
-      { 0x50, 0x30, 0x00, 0xe8, 0xb6, 0xe5, 0x63, 0xff,
-       0xfe, 0xf0, 0xfe, 0xe0, 0x20, 0x07, 0x3b, 0x98,
-       0x00, 0x59, 0x41, 0x45, 0x34, 0x0a, 0xf4, 0xd2,
-       0xe9, 0xa2,
-/* Padding */
-                   0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
-/* Scaler: */
-       0x72, 0x80, 0x00, 0x03, 0x8d, 0x20, 0x20, 0x12,
-       0xa5, 0x12, 0x00, 0x00, 0x04, 0x00, 0x04, 0x00,
-       0x87 }
-       };
-
-#endif /* _SAA7196_H_ */