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path: root/drivers/video/bw2.c
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Diffstat (limited to 'drivers/video/bw2.c')
-rw-r--r--drivers/video/bw2.c428
1 files changed, 0 insertions, 428 deletions
diff --git a/drivers/video/bw2.c b/drivers/video/bw2.c
deleted file mode 100644
index 3d20b2d47d4..00000000000
--- a/drivers/video/bw2.c
+++ /dev/null
@@ -1,428 +0,0 @@
-/* bw2.c: BWTWO frame buffer driver
- *
- * Copyright (C) 2003 David S. Miller (davem@redhat.com)
- * Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
- * Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
- * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
- *
- * Driver layout based loosely on tgafb.c, see that file for credits.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/fb.h>
-#include <linux/mm.h>
-
-#include <asm/io.h>
-#include <asm/sbus.h>
-#include <asm/oplib.h>
-#include <asm/fbio.h>
-
-#ifdef CONFIG_SPARC32
-#include <asm/sun4paddr.h>
-#endif
-
-#include "sbuslib.h"
-
-/*
- * Local functions.
- */
-
-static int bw2_blank(int, struct fb_info *);
-
-static int bw2_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
-static int bw2_ioctl(struct inode *, struct file *, unsigned int,
- unsigned long, struct fb_info *);
-
-/*
- * Frame buffer operations
- */
-
-static struct fb_ops bw2_ops = {
- .owner = THIS_MODULE,
- .fb_blank = bw2_blank,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
- .fb_mmap = bw2_mmap,
- .fb_ioctl = bw2_ioctl,
- .fb_cursor = soft_cursor,
-};
-
-/* OBio addresses for the bwtwo registers */
-#define BWTWO_REGISTER_OFFSET 0x400000
-
-struct bt_regs {
- volatile u32 addr;
- volatile u32 color_map;
- volatile u32 control;
- volatile u32 cursor;
-};
-
-struct bw2_regs {
- struct bt_regs cmap;
- volatile u8 control;
- volatile u8 status;
- volatile u8 cursor_start;
- volatile u8 cursor_end;
- volatile u8 h_blank_start;
- volatile u8 h_blank_end;
- volatile u8 h_sync_start;
- volatile u8 h_sync_end;
- volatile u8 comp_sync_end;
- volatile u8 v_blank_start_high;
- volatile u8 v_blank_start_low;
- volatile u8 v_blank_end;
- volatile u8 v_sync_start;
- volatile u8 v_sync_end;
- volatile u8 xfer_holdoff_start;
- volatile u8 xfer_holdoff_end;
-};
-
-/* Status Register Constants */
-#define BWTWO_SR_RES_MASK 0x70
-#define BWTWO_SR_1600_1280 0x50
-#define BWTWO_SR_1152_900_76_A 0x40
-#define BWTWO_SR_1152_900_76_B 0x60
-#define BWTWO_SR_ID_MASK 0x0f
-#define BWTWO_SR_ID_MONO 0x02
-#define BWTWO_SR_ID_MONO_ECL 0x03
-#define BWTWO_SR_ID_MSYNC 0x04
-#define BWTWO_SR_ID_NOCONN 0x0a
-
-/* Control Register Constants */
-#define BWTWO_CTL_ENABLE_INTS 0x80
-#define BWTWO_CTL_ENABLE_VIDEO 0x40
-#define BWTWO_CTL_ENABLE_TIMING 0x20
-#define BWTWO_CTL_ENABLE_CURCMP 0x10
-#define BWTWO_CTL_XTAL_MASK 0x0C
-#define BWTWO_CTL_DIVISOR_MASK 0x03
-
-/* Status Register Constants */
-#define BWTWO_STAT_PENDING_INT 0x80
-#define BWTWO_STAT_MSENSE_MASK 0x70
-#define BWTWO_STAT_ID_MASK 0x0f
-
-struct bw2_par {
- spinlock_t lock;
- struct bw2_regs __iomem *regs;
-
- u32 flags;
-#define BW2_FLAG_BLANKED 0x00000001
-
- unsigned long physbase;
- unsigned long fbsize;
-
- struct sbus_dev *sdev;
- struct list_head list;
-};
-
-/**
- * bw2_blank - Optional function. Blanks the display.
- * @blank_mode: the blank mode we want.
- * @info: frame buffer structure that represents a single frame buffer
- */
-static int
-bw2_blank(int blank, struct fb_info *info)
-{
- struct bw2_par *par = (struct bw2_par *) info->par;
- struct bw2_regs __iomem *regs = par->regs;
- unsigned long flags;
- u8 val;
-
- spin_lock_irqsave(&par->lock, flags);
-
- switch (blank) {
- case FB_BLANK_UNBLANK: /* Unblanking */
- val = sbus_readb(&regs->control);
- val |= BWTWO_CTL_ENABLE_VIDEO;
- sbus_writeb(val, &regs->control);
- par->flags &= ~BW2_FLAG_BLANKED;
- break;
-
- case FB_BLANK_NORMAL: /* Normal blanking */
- case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */
- case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */
- case FB_BLANK_POWERDOWN: /* Poweroff */
- val = sbus_readb(&regs->control);
- val &= ~BWTWO_CTL_ENABLE_VIDEO;
- sbus_writeb(val, &regs->control);
- par->flags |= BW2_FLAG_BLANKED;
- break;
- }
-
- spin_unlock_irqrestore(&par->lock, flags);
-
- return 0;
-}
-
-static struct sbus_mmap_map bw2_mmap_map[] = {
- {
- .size = SBUS_MMAP_FBSIZE(1)
- },
- { .size = 0 }
-};
-
-static int bw2_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
-{
- struct bw2_par *par = (struct bw2_par *)info->par;
-
- return sbusfb_mmap_helper(bw2_mmap_map,
- par->physbase, par->fbsize,
- (par->sdev ?
- par->sdev->reg_addrs[0].which_io :
- 0),
- vma);
-}
-
-static int bw2_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg, struct fb_info *info)
-{
- struct bw2_par *par = (struct bw2_par *) info->par;
-
- return sbusfb_ioctl_helper(cmd, arg, info,
- FBTYPE_SUN2BW, 1, par->fbsize);
-}
-
-/*
- * Initialisation
- */
-
-static void
-bw2_init_fix(struct fb_info *info, int linebytes)
-{
- strlcpy(info->fix.id, "bwtwo", sizeof(info->fix.id));
-
- info->fix.type = FB_TYPE_PACKED_PIXELS;
- info->fix.visual = FB_VISUAL_MONO01;
-
- info->fix.line_length = linebytes;
-
- info->fix.accel = FB_ACCEL_SUN_BWTWO;
-}
-
-static u8 bw2regs_1600[] __initdata = {
- 0x14, 0x8b, 0x15, 0x28, 0x16, 0x03, 0x17, 0x13,
- 0x18, 0x7b, 0x19, 0x05, 0x1a, 0x34, 0x1b, 0x2e,
- 0x1c, 0x00, 0x1d, 0x0a, 0x1e, 0xff, 0x1f, 0x01,
- 0x10, 0x21, 0
-};
-
-static u8 bw2regs_ecl[] __initdata = {
- 0x14, 0x65, 0x15, 0x1e, 0x16, 0x04, 0x17, 0x0c,
- 0x18, 0x5e, 0x19, 0x03, 0x1a, 0xa7, 0x1b, 0x23,
- 0x1c, 0x00, 0x1d, 0x08, 0x1e, 0xff, 0x1f, 0x01,
- 0x10, 0x20, 0
-};
-
-static u8 bw2regs_analog[] __initdata = {
- 0x14, 0xbb, 0x15, 0x2b, 0x16, 0x03, 0x17, 0x13,
- 0x18, 0xb0, 0x19, 0x03, 0x1a, 0xa6, 0x1b, 0x22,
- 0x1c, 0x01, 0x1d, 0x05, 0x1e, 0xff, 0x1f, 0x01,
- 0x10, 0x20, 0
-};
-
-static u8 bw2regs_76hz[] __initdata = {
- 0x14, 0xb7, 0x15, 0x27, 0x16, 0x03, 0x17, 0x0f,
- 0x18, 0xae, 0x19, 0x03, 0x1a, 0xae, 0x1b, 0x2a,
- 0x1c, 0x01, 0x1d, 0x09, 0x1e, 0xff, 0x1f, 0x01,
- 0x10, 0x24, 0
-};
-
-static u8 bw2regs_66hz[] __initdata = {
- 0x14, 0xbb, 0x15, 0x2b, 0x16, 0x04, 0x17, 0x14,
- 0x18, 0xae, 0x19, 0x03, 0x1a, 0xa8, 0x1b, 0x24,
- 0x1c, 0x01, 0x1d, 0x05, 0x1e, 0xff, 0x1f, 0x01,
- 0x10, 0x20, 0
-};
-
-static void bw2_do_default_mode(struct bw2_par *par, struct fb_info *info,
- int *linebytes)
-{
- u8 status, mon;
- u8 *p;
-
- status = sbus_readb(&par->regs->status);
- mon = status & BWTWO_SR_RES_MASK;
- switch (status & BWTWO_SR_ID_MASK) {
- case BWTWO_SR_ID_MONO_ECL:
- if (mon == BWTWO_SR_1600_1280) {
- p = bw2regs_1600;
- info->var.xres = info->var.xres_virtual = 1600;
- info->var.yres = info->var.yres_virtual = 1280;
- *linebytes = 1600 / 8;
- } else
- p = bw2regs_ecl;
- break;
-
- case BWTWO_SR_ID_MONO:
- p = bw2regs_analog;
- break;
-
- case BWTWO_SR_ID_MSYNC:
- if (mon == BWTWO_SR_1152_900_76_A ||
- mon == BWTWO_SR_1152_900_76_B)
- p = bw2regs_76hz;
- else
- p = bw2regs_66hz;
- break;
-
- case BWTWO_SR_ID_NOCONN:
- return;
-
- default:
- prom_printf("bw2: can't handle SR %02x\n",
- status);
- prom_halt();
- }
- for ( ; *p; p += 2) {
- u8 __iomem *regp = &((u8 __iomem *)par->regs)[p[0]];
- sbus_writeb(p[1], regp);
- }
-}
-
-struct all_info {
- struct fb_info info;
- struct bw2_par par;
- struct list_head list;
-};
-static LIST_HEAD(bw2_list);
-
-static void bw2_init_one(struct sbus_dev *sdev)
-{
- struct all_info *all;
- struct resource *resp;
-#ifdef CONFIG_SUN4
- struct resource res;
-#endif
- int linebytes;
-
- all = kmalloc(sizeof(*all), GFP_KERNEL);
- if (!all) {
- printk(KERN_ERR "bw2: Cannot allocate memory.\n");
- return;
- }
- memset(all, 0, sizeof(*all));
-
- INIT_LIST_HEAD(&all->list);
-
- spin_lock_init(&all->par.lock);
- all->par.sdev = sdev;
-
-#ifdef CONFIG_SUN4
- if (!sdev) {
- all->par.physbase = sun4_bwtwo_physaddr;
- res.start = sun4_bwtwo_physaddr;
- res.end = res.start + BWTWO_REGISTER_OFFSET + sizeof(struct bw2_regs) - 1;
- res.flags = IORESOURCE_IO;
- resp = &res;
- all->info.var.xres = all->info.var.xres_virtual = 1152;
- all->info.var.yres = all->info.var.yres_virtual = 900;
- all->info.var.bits_per_pixel = 1;
- linebytes = 1152 / 8;
- } else
-#else
- {
- if (!sdev)
- BUG();
- all->par.physbase = sdev->reg_addrs[0].phys_addr;
- resp = &sdev->resource[0];
- sbusfb_fill_var(&all->info.var, (sdev ? sdev->prom_node : 0), 1);
- linebytes = prom_getintdefault(sdev->prom_node, "linebytes",
- all->info.var.xres);
- }
-#endif
- all->info.var.red.length = all->info.var.green.length =
- all->info.var.blue.length = all->info.var.bits_per_pixel;
- all->info.var.red.offset = all->info.var.green.offset =
- all->info.var.blue.offset = 0;
-
- all->par.regs = sbus_ioremap(resp, BWTWO_REGISTER_OFFSET,
- sizeof(struct bw2_regs), "bw2 regs");
-
- if (sdev && !prom_getbool(sdev->prom_node, "width"))
- bw2_do_default_mode(&all->par, &all->info, &linebytes);
-
- all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
-
- all->info.flags = FBINFO_DEFAULT;
- all->info.fbops = &bw2_ops;
-#if defined(CONFIG_SPARC32)
- if (sdev)
- all->info.screen_base = (char __iomem *)
- prom_getintdefault(sdev->prom_node, "address", 0);
-#endif
- if (!all->info.screen_base)
- all->info.screen_base =
- sbus_ioremap(resp, 0, all->par.fbsize, "bw2 ram");
- all->info.par = &all->par;
-
- bw2_blank(0, &all->info);
-
- bw2_init_fix(&all->info, linebytes);
-
- if (register_framebuffer(&all->info) < 0) {
- printk(KERN_ERR "bw2: Could not register framebuffer.\n");
- kfree(all);
- return;
- }
-
- list_add(&all->list, &bw2_list);
-
- printk("bw2: bwtwo at %lx:%lx\n",
- (long) (sdev ? sdev->reg_addrs[0].which_io : 0),
- (long) all->par.physbase);
-}
-
-int __init bw2_init(void)
-{
- struct sbus_bus *sbus;
- struct sbus_dev *sdev;
-
- if (fb_get_options("bw2fb", NULL))
- return -ENODEV;
-
-#ifdef CONFIG_SUN4
- bw2_init_one(NULL);
-#endif
- for_all_sbusdev(sdev, sbus) {
- if (!strcmp(sdev->prom_name, "bwtwo"))
- bw2_init_one(sdev);
- }
-
- return 0;
-}
-
-void __exit bw2_exit(void)
-{
- struct list_head *pos, *tmp;
-
- list_for_each_safe(pos, tmp, &bw2_list) {
- struct all_info *all = list_entry(pos, typeof(*all), list);
-
- unregister_framebuffer(&all->info);
- kfree(all);
- }
-}
-
-int __init
-bw2_setup(char *arg)
-{
- /* No cmdline options yet... */
- return 0;
-}
-
-module_init(bw2_init);
-
-#ifdef MODULE
-module_exit(bw2_exit);
-#endif
-
-MODULE_DESCRIPTION("framebuffer driver for BWTWO chipsets");
-MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
-MODULE_LICENSE("GPL");
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