summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/sis_vid.c651
-rw-r--r--drivers/sis_vid.h37
2 files changed, 0 insertions, 688 deletions
diff --git a/drivers/sis_vid.c b/drivers/sis_vid.c
deleted file mode 100644
index 9f5d2c3ee5..0000000000
--- a/drivers/sis_vid.c
+++ /dev/null
@@ -1,651 +0,0 @@
-/*
- *
- * sis_vid.c
- *
- * Copyright (C) 2000 Aaron Holtzman
- *
- * This software has been released under the terms of the GNU Public
- * license. See http://www.gnu.org/copyleft/gpl.html for details.
- */
-
-// video4linux interface disabled by A'rpi/ESP-team
-
-
-//It's entirely possible this major conflicts with something else
-/* mknod /dev/mga_vid c 178 0 */
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,10)
-#include <linux/malloc.h>
-#else
-#include <linux/slab.h>
-#endif
-
-#include <linux/pci.h>
-#include <linux/init.h>
-//#include <linux/videodev.h>
-
-#include "sis_vid.h"
-
-#ifdef CONFIG_MTRR
-#include <asm/mtrr.h>
-#endif
-
-#include <asm/uaccess.h>
-#include <asm/system.h>
-#include <asm/io.h>
-
-#define TRUE 1
-#define FALSE 0
-
-#define MGA_VID_MAJOR 178
-
-
-#ifndef PCI_DEVICE_ID_SI_6323
-#define PCI_DEVICE_ID_SI_6323 0x6326
-#endif
-
-
-MODULE_AUTHOR("Aaron Holtzman <aholtzma@engr.uvic.ca>");
-
-
-typedef struct bes_registers_s
-{
- //base address of yuv framebuffer
- uint32_t yuv_base;
- uint32_t u_base;
- uint32_t v_base;
- uint32_t fb_end;;
-
- //frame buffer pitch
- uint32_t pitch;
-
- //window boundaries
- uint32_t left;
- uint32_t right;
- uint32_t top;
- uint32_t bottom;
-
- //control registers
- uint32_t misc_0;
- uint32_t misc_1;
- uint32_t misc_3;
- uint32_t misc_4;
-
- //key overlay mode
- uint32_t key_mode;
-
-} bes_registers_t;
-
-static bes_registers_t regs;
-static uint32_t mga_vid_in_use = 0;
-static uint32_t vid_src_ready = 0;
-static uint32_t vid_overlay_on = 0;
-
-static uint8_t *mga_mmio_base = 0;
-static uint32_t mga_mem_base = 0;
-static uint32_t mga_src_base = 0;
-
-static uint32_t mga_ram_size = 0;
-
-static struct pci_dev *pci_dev;
-
-//static struct video_window mga_win;
-static mga_vid_config_t mga_config;
-
-
-
-// Backend Scaler registers
-
-#define MISC_0 0x98
-#define MISC_1 0x99
-#define MISC_3 0x9d
-#define MISC_4 0xb6
-
-
-
-
-static void mga_vid_frame_sel(int frame)
-{
- //we don't need the vcount protection as we're only hitting
- //one register (and it doesn't seem to be double buffered)
- //regs.besctl = (regs.besctl & ~0x07000000) + (frame << 25);
- //writel( regs.besctl, mga_mmio_base + BESCTL );
-}
-
-
-#define WRITE_REG(x,y,z) {outb((y),(x));outb((z),(x+1));}
-#define READ_REG(x,y) (outb((y),(x)),inb(x+1))
-#define VIDEO_ACCEL 0x3d4
-
-static void mga_vid_write_regs(void)
-{
- uint32_t foo;
-
- //unlock the video accel registers
- WRITE_REG(VIDEO_ACCEL,0x80,0x86);
- foo = READ_REG(VIDEO_ACCEL,0x80);
-
- if(foo != 0xa1)
- return; //something bad happened
-
- //setup the horizontal window bounds
- WRITE_REG(VIDEO_ACCEL,0x81,regs.left & 0xff);
- WRITE_REG(VIDEO_ACCEL,0x82,regs.right & 0xff);
- WRITE_REG(VIDEO_ACCEL,0x83,(regs.left >> 8) | ((regs.right>>4) & 0x70));
-
- //setup the vertical window bounds
- WRITE_REG(VIDEO_ACCEL,0x84,regs.top & 0xff);
- WRITE_REG(VIDEO_ACCEL,0x85,regs.bottom & 0xff);
- WRITE_REG(VIDEO_ACCEL,0x86,(regs.top >> 8) | ((regs.bottom>>4) & 0x70));
-
- //setup the framebuffer base addresses
- WRITE_REG(VIDEO_ACCEL,0x8a,regs.yuv_base & 0xff);
- WRITE_REG(VIDEO_ACCEL,0x8b,(regs.yuv_base >> 8) & 0xff);
- WRITE_REG(VIDEO_ACCEL,0x89,(regs.yuv_base >> 12) & 0xf0);
-
- WRITE_REG(VIDEO_ACCEL,0xb7,regs.u_base & 0xff);
- WRITE_REG(VIDEO_ACCEL,0xb8,(regs.u_base >> 8) & 0xff);
-
- WRITE_REG(VIDEO_ACCEL,0xba,regs.v_base & 0xff);
- WRITE_REG(VIDEO_ACCEL,0xbb,(regs.v_base >> 8) & 0xff);
- WRITE_REG(VIDEO_ACCEL,0xb9,((regs.v_base >> 12) & 0xf0) + ((regs.u_base >> 16) & 0xf));
-
- WRITE_REG(VIDEO_ACCEL,0x8d,regs.fb_end);
-
- //setup framebuffer pitch
- WRITE_REG(VIDEO_ACCEL,0x8c,regs.pitch & 0xff);
- WRITE_REG(VIDEO_ACCEL,0x8e,(regs.pitch >> 8) & 0x0f);
- WRITE_REG(VIDEO_ACCEL,0xbc,(regs.pitch) & 0xff);
- WRITE_REG(VIDEO_ACCEL,0xbd,((regs.pitch) >> 8) & 0x0f);
-
-
- //write key overlay register
- WRITE_REG(VIDEO_ACCEL,0xa9,regs.key_mode);
-
- WRITE_REG(VIDEO_ACCEL,0x93,0x40);
- WRITE_REG(VIDEO_ACCEL,0x94,1);
- WRITE_REG(VIDEO_ACCEL,0x9e,0);
- WRITE_REG(VIDEO_ACCEL,0x9f,0);
-
- //write config registers
- WRITE_REG(VIDEO_ACCEL,MISC_0,regs.misc_0);
- WRITE_REG(VIDEO_ACCEL,MISC_1,regs.misc_1);
- WRITE_REG(VIDEO_ACCEL,MISC_3,regs.misc_3);
- WRITE_REG(VIDEO_ACCEL,MISC_4,regs.misc_4);
-
- //setup the video line buffer
- WRITE_REG(VIDEO_ACCEL,0xa0,(regs.right - regs.left)/ 8);
-
-}
-
-static int mga_vid_set_config(mga_vid_config_t *config)
-{
- uint32_t x, y, frame_size;
-
- x = config->x_org;
- y = config->y_org;
-
- regs.left = x;
- regs.right= config->src_width + x;
- regs.top = y;
- regs.bottom = config->src_height + y;
-
- printk(KERN_DEBUG "mga_vid: Setting up a %dx%d+%d+%d video window (src %dx%d)\n",
- config->dest_width, config->dest_height, config->x_org, config->y_org,
- config->src_width, config->src_height);
-
-
- regs.pitch = ((config->src_width + 31) & ~31) / 4 ;
-
- //frame size in pixels
- frame_size = regs.pitch * config->src_height * 4;
-
- regs.yuv_base = (mga_src_base) >> 2;
- regs.u_base = (mga_src_base + frame_size) >> 2;
- regs.v_base = (mga_src_base + frame_size/4) >> 2;
- regs.fb_end = (mga_src_base + (3*frame_size)/2) >> 14;
-
- //disable video capture, enable video display, enable graphics display,
- //select yuv format, odd parity
- regs.misc_0 = (1 << 1) + (1<<6) + (1<<4);
-
- //disable dithering, no filtering, no interrupts
- regs.misc_1 = 0;
-
- //select 2's complement format YUV for playback
- regs.misc_3 = (1<<1);
-
- //select 4:2:0 video format, + yuv4:2:2 cpu writes
- regs.misc_4 = (1<<2);
-
- //disable keying
- regs.key_mode = 0xf;
-
- mga_vid_write_regs();
- return 0;
-}
-
-
-static int mga_vid_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
-{
- int frame;
-
- switch(cmd)
- {
- case MGA_VID_CONFIG:
- //FIXME remove
- printk(KERN_DEBUG "mga_mmio_base = %p\n",mga_mmio_base);
- printk(KERN_DEBUG "mga_mem_base = %08x\n",mga_mem_base);
- //FIXME remove
-
- printk(KERN_DEBUG "mga_vid: Received configuration\n");
-
- if(copy_from_user(&mga_config,(mga_vid_config_t*) arg,sizeof(mga_vid_config_t)))
- {
- printk(KERN_ERR "mga_vid: failed copy from userspace\n");
- return(-EFAULT);
- }
-
- mga_config.ram_size = mga_ram_size;
- //XXX make it look like a g400
- mga_config.card_type = MGA_G400;;
-
- if (copy_to_user((mga_vid_config_t *) arg, &mga_config, sizeof(mga_vid_config_t)))
- {
- printk(KERN_ERR "mga_vid: failed copy to userspace\n");
- return(-EFAULT);
- }
- return mga_vid_set_config(&mga_config);
- break;
-
- case MGA_VID_ON:
- printk(KERN_DEBUG "mga_vid: Video ON\n");
- vid_src_ready = 1;
- if(vid_overlay_on)
- {
- //regs.besctl |= 1;
- mga_vid_write_regs();
- }
- break;
-
- case MGA_VID_OFF:
- printk(KERN_DEBUG "mga_vid: Video OFF\n");
- vid_src_ready = 0;
- //regs.besctl &= ~1;
- mga_vid_write_regs();
- break;
-
- case MGA_VID_FSEL:
- if(copy_from_user(&frame,(int *) arg,sizeof(int)))
- {
- printk(KERN_ERR "mga_vid: FSEL failed copy from userspace\n");
- return(-EFAULT);
- }
-
- mga_vid_frame_sel(frame);
- break;
-
- default:
- printk(KERN_ERR "mga_vid: Invalid ioctl\n");
- return (-EINVAL);
- }
-
- return 0;
-}
-
-
-static int mga_vid_find_card(void)
-{
- struct pci_dev *dev = NULL;
-
- if((dev = pci_find_device(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_6323, NULL)))
- {
- printk(KERN_DEBUG "sis_vid: Found SiS 6326\n");
- }
- else
- {
- printk(KERN_ERR "sis_vid: No supported cards found\n");
- return FALSE;
- }
-
- pci_dev = dev;
-
-#if LINUX_VERSION_CODE >= 0x020300
- mga_mmio_base = ioremap_nocache(dev->resource[1].start,0x10000);
- mga_mem_base = dev->resource[0].start;
-#else
- mga_mmio_base = ioremap_nocache(dev->base_address[1] & PCI_BASE_ADDRESS_MEM_MASK,0x10000);
- mga_mem_base = dev->base_address[0] & PCI_BASE_ADDRESS_MEM_MASK;
-#endif
- printk(KERN_DEBUG "mga_vid: MMIO at 0x%p\n", mga_mmio_base);
- printk(KERN_DEBUG "mga_vid: Frame Buffer at 0x%08x\n", mga_mem_base);
-
- //FIXME set ram size properly
- mga_ram_size = 4;
- mga_src_base = (mga_ram_size - 1) * 0x100000;
-
- //FIXME remove
- if(1)
- {
- mga_vid_config_t config ={0,0,256,256,256,256,10,10,0,0,0,0};
-
- mga_vid_set_config(&config);
- mga_vid_write_regs();
- //regs.misc_0 ^= 2;
- //mga_vid_write_regs();
- }
- //FIXME remove
-
- return TRUE;
-}
-
-
-static ssize_t mga_vid_read(struct file *file, char *buf, size_t count, loff_t *ppos)
-{
- return -EINVAL;
-}
-
-static ssize_t mga_vid_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
-{
- return -EINVAL;
-}
-
-static int mga_vid_mmap(struct file *file, struct vm_area_struct *vma)
-{
-
- printk(KERN_DEBUG "mga_vid: mapping video memory into userspace\n");
- if(remap_page_range(vma->vm_start, mga_mem_base + mga_src_base,
- vma->vm_end - vma->vm_start, vma->vm_page_prot))
- {
- printk(KERN_ERR "mga_vid: error mapping video memory\n");
- return(-EAGAIN);
- }
-
- return(0);
-}
-
-static int mga_vid_release(struct inode *inode, struct file *file)
-{
- //Close the window just in case
- vid_src_ready = 0;
- regs.misc_0 &= 0xed;
- mga_vid_write_regs();
- mga_vid_in_use = 0;
-
- //FIXME put back in!
- //MOD_DEC_USE_COUNT;
- return 0;
-}
-
-static long long mga_vid_lseek(struct file *file, long long offset, int origin)
-{
- return -ESPIPE;
-}
-
-static int mga_vid_open(struct inode *inode, struct file *file)
-{
- int minor = MINOR(inode->i_rdev);
-
- if(minor != 0)
- return(-ENXIO);
-
- if(mga_vid_in_use == 1)
- return(-EBUSY);
-
- mga_vid_in_use = 1;
- //FIXME turn me back on!
- //MOD_INC_USE_COUNT;
- return(0);
-}
-
-#if LINUX_VERSION_CODE >= 0x020400
-static struct file_operations mga_vid_fops =
-{
- llseek: mga_vid_lseek,
- read: mga_vid_read,
- write: mga_vid_write,
- ioctl: mga_vid_ioctl,
- mmap: mga_vid_mmap,
- open: mga_vid_open,
- release: mga_vid_release
-};
-#else
-static struct file_operations mga_vid_fops =
-{
- mga_vid_lseek,
- mga_vid_read,
- mga_vid_write,
- NULL,
- NULL,
- mga_vid_ioctl,
- mga_vid_mmap,
- mga_vid_open,
- NULL,
- mga_vid_release
-};
-#endif
-
-#if 0
-static long mga_v4l_read(struct video_device *v, char *buf, unsigned long count,
- int noblock)
-{
- return -EINVAL;
-}
-
-static long mga_v4l_write(struct video_device *v, const char *buf, unsigned long count, int noblock)
-{
- return -EINVAL;
-}
-
-static int mga_v4l_open(struct video_device *dev, int mode)
-{
- MOD_INC_USE_COUNT;
- return 0;
-}
-
-static void mga_v4l_close(struct video_device *dev)
-{
- //regs.besctl &= ~1;
- mga_vid_write_regs();
- vid_overlay_on = 0;
- MOD_DEC_USE_COUNT;
- return;
-}
-
-static int mga_v4l_init_done(struct video_device *dev)
-{
- return 0;
-}
-
-static int mga_v4l_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
-{
- switch(cmd)
- {
- case VIDIOCGCAP:
- {
- struct video_capability b;
- strcpy(b.name, "Matrox G200/400");
- b.type = VID_TYPE_SCALES|VID_TYPE_OVERLAY|VID_TYPE_CHROMAKEY;
- b.channels = 0;
- b.audios = 0;
- b.maxwidth = 1024; /* GUESS ?? */
- b.maxheight = 768;
- b.minwidth = 32;
- b.minheight = 16; /* GUESS ?? */
- if(copy_to_user(arg,&b,sizeof(b)))
- return -EFAULT;
- return 0;
- }
- case VIDIOCGPICT:
- {
- /*
- * Default values.. if we can change this we
- * can add the feature later
- */
- struct video_picture vp;
- vp.brightness = 0x8000;
- vp.hue = 0x8000;
- vp.colour = 0x8000;
- vp.whiteness = 0x8000;
- vp.depth = 8;
- /* Format is a guess */
- vp.palette = VIDEO_PALETTE_YUV420P;
- if(copy_to_user(arg, &vp, sizeof(vp)))
- return -EFAULT;
- return 0;
- }
- case VIDIOCSPICT:
- {
- return -EINVAL;
- }
- case VIDIOCSWIN:
- {
- struct video_window vw;
- if(copy_from_user(&vw, arg, sizeof(vw)))
- return -EFAULT;
- if(vw.x <0 || vw.y <0 || vw.width < 32
- || vw.height < 16)
- return -EINVAL;
- memcpy(&mga_win, &vw, sizeof(mga_win));
-
- mga_config.x_org = vw.x;
- mga_config.y_org = vw.y;
- mga_config.dest_width = vw.width;
- mga_config.dest_height = vw.height;
-
- /*
- * May have to add
- *
- * #define VIDEO_WINDOW_CHROMAKEY 16
- *
- * to <linux/videodev.h>
- */
-
- //add it here for now
- #define VIDEO_WINDOW_CHROMAKEY 16
-
- if (vw.flags & VIDEO_WINDOW_CHROMAKEY)
- mga_config.colkey_on = 1;
- else
- mga_config.colkey_on = 0;
-
- mga_config.colkey_red = (vw.chromakey >> 24) & 0xFF;
- mga_config.colkey_green = (vw.chromakey >> 16) & 0xFF;
- mga_config.colkey_blue = (vw.chromakey >> 8) & 0xFF;
- mga_vid_set_config(&mga_config);
- return 0;
-
- }
- case VIDIOCGWIN:
- {
- if(copy_to_user(arg, &mga_win, sizeof(mga_win)))
- return -EFAULT;
- return 0;
- }
- case VIDIOCCAPTURE:
- {
- int v;
- if(copy_from_user(&v, arg, sizeof(v)))
- return -EFAULT;
- vid_overlay_on = v;
- if(vid_overlay_on && vid_src_ready)
- {
- //regs.besctl |= 1;
- mga_vid_write_regs();
- }
- else
- {
- //regs.besctl &= ~1;
- mga_vid_write_regs();
- }
- return 0;
- }
- default:
- return -ENOIOCTLCMD;
- }
-}
-
-static struct video_device mga_v4l_dev =
-{
- "Matrox G200/G400",
- VID_TYPE_CAPTURE,
- VID_HARDWARE_BT848, /* This is a lie for now */
- mga_v4l_open,
- mga_v4l_close,
- mga_v4l_read,
- mga_v4l_write,
- NULL,
- mga_v4l_ioctl,
- NULL,
- mga_v4l_init_done,
- NULL,
- 0,
- 0
-};
-
-#endif
-
-/*
- * Main Initialization Function
- */
-
-
-static int mga_vid_initialize(void)
-{
- mga_vid_in_use = 0;
-
- printk(KERN_DEBUG "SiS 6326 YUV Video interface v0.01 (c) Aaron Holtzman \n");
- if(register_chrdev(MGA_VID_MAJOR, "mga_vid", &mga_vid_fops))
- {
- printk(KERN_ERR "sis_vid: unable to get major: %d\n", MGA_VID_MAJOR);
- return -EIO;
- }
-
- if (!mga_vid_find_card())
- {
- printk(KERN_ERR "sis_vid: no supported devices found\n");
- unregister_chrdev(MGA_VID_MAJOR, "mga_vid");
- return -EINVAL;
- }
-
-#if 0
- if (video_register_device(&mga_v4l_dev, VFL_TYPE_GRABBER)<0)
- {
- printk("sis_vid: unable to register.\n");
- unregister_chrdev(MGA_VID_MAJOR, "mga_vid");
- if(mga_mmio_base)
- iounmap(mga_mmio_base);
- mga_mmio_base = 0;
- return -EINVAL;
- }
-#endif
-
- return(0);
-}
-
-int init_module(void)
-{
- return mga_vid_initialize();
-}
-
-void cleanup_module(void)
-{
-// video_unregister_device(&mga_v4l_dev);
- if(mga_mmio_base)
- iounmap(mga_mmio_base);
-
- //FIXME turn off BES
- printk(KERN_DEBUG "mga_vid: Cleaning up module\n");
- unregister_chrdev(MGA_VID_MAJOR, "mga_vid");
-}
-
diff --git a/drivers/sis_vid.h b/drivers/sis_vid.h
deleted file mode 100644
index a4c42cf901..0000000000
--- a/drivers/sis_vid.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- *
- * sis_vid.h
- *
- * Copyright (C) 2000 Aaron Holtzman
- *
- * YUV Framebuffer driver for SiS 6326 cards
- *
- * This software has been released under the terms of the GNU Public
- * license. See http://www.gnu.org/copyleft/gpl.html for details.
- */
-
-#include <inttypes.h>
-
-typedef struct mga_vid_config_s
-{
-uint32_t card_type;
-uint32_t ram_size;
-uint32_t src_width;
-uint32_t src_height;
-uint32_t dest_width;
-uint32_t dest_height;
-uint32_t x_org;
-uint32_t y_org;
-uint8_t colkey_on;
-uint8_t colkey_red;
-uint8_t colkey_green;
-uint8_t colkey_blue;
-} mga_vid_config_t;
-
-#define MGA_VID_CONFIG _IOR('J', 1, mga_vid_config_t)
-#define MGA_VID_ON _IO ('J', 2)
-#define MGA_VID_OFF _IO ('J', 3)
-#define MGA_VID_FSEL _IOR('J', 4, int)
-
-#define MGA_G200 0x1234
-#define MGA_G400 0x5678