diff options
Diffstat (limited to 'drivers/video/p9100.c')
| -rw-r--r-- | drivers/video/p9100.c | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/drivers/video/p9100.c b/drivers/video/p9100.c deleted file mode 100644 index b251e754e16..00000000000 --- a/drivers/video/p9100.c +++ /dev/null @@ -1,384 +0,0 @@ -/* p9100.c: P9100 frame buffer driver - * - * Copyright (C) 2003 David S. Miller (davem@redhat.com) - * Copyright 1999 Derrick J Brashear (shadow@dementia.org) - * - * 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> - -#include "sbuslib.h" - -/* - * Local functions. - */ - -static int p9100_setcolreg(unsigned, unsigned, unsigned, unsigned, - unsigned, struct fb_info *); -static int p9100_blank(int, struct fb_info *); - -static int p9100_mmap(struct fb_info *, struct file *, struct vm_area_struct *); -static int p9100_ioctl(struct inode *, struct file *, unsigned int, - unsigned long, struct fb_info *); - -/* - * Frame buffer operations - */ - -static struct fb_ops p9100_ops = { - .owner = THIS_MODULE, - .fb_setcolreg = p9100_setcolreg, - .fb_blank = p9100_blank, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_mmap = p9100_mmap, - .fb_ioctl = p9100_ioctl, -#ifdef CONFIG_COMPAT - .fb_compat_ioctl = sbusfb_compat_ioctl, -#endif -}; - -/* P9100 control registers */ -#define P9100_SYSCTL_OFF 0x0UL -#define P9100_VIDEOCTL_OFF 0x100UL -#define P9100_VRAMCTL_OFF 0x180UL -#define P9100_RAMDAC_OFF 0x200UL -#define P9100_VIDEOCOPROC_OFF 0x400UL - -/* P9100 command registers */ -#define P9100_CMD_OFF 0x0UL - -/* P9100 framebuffer memory */ -#define P9100_FB_OFF 0x0UL - -/* 3 bits: 2=8bpp 3=16bpp 5=32bpp 7=24bpp */ -#define SYS_CONFIG_PIXELSIZE_SHIFT 26 - -#define SCREENPAINT_TIMECTL1_ENABLE_VIDEO 0x20 /* 0 = off, 1 = on */ - -struct p9100_regs { - /* Registers for the system control */ - volatile u32 sys_base; - volatile u32 sys_config; - volatile u32 sys_intr; - volatile u32 sys_int_ena; - volatile u32 sys_alt_rd; - volatile u32 sys_alt_wr; - volatile u32 sys_xxx[58]; - - /* Registers for the video control */ - volatile u32 vid_base; - volatile u32 vid_hcnt; - volatile u32 vid_htotal; - volatile u32 vid_hsync_rise; - volatile u32 vid_hblank_rise; - volatile u32 vid_hblank_fall; - volatile u32 vid_hcnt_preload; - volatile u32 vid_vcnt; - volatile u32 vid_vlen; - volatile u32 vid_vsync_rise; - volatile u32 vid_vblank_rise; - volatile u32 vid_vblank_fall; - volatile u32 vid_vcnt_preload; - volatile u32 vid_screenpaint_addr; - volatile u32 vid_screenpaint_timectl1; - volatile u32 vid_screenpaint_qsfcnt; - volatile u32 vid_screenpaint_timectl2; - volatile u32 vid_xxx[15]; - - /* Registers for the video control */ - volatile u32 vram_base; - volatile u32 vram_memcfg; - volatile u32 vram_refresh_pd; - volatile u32 vram_refresh_cnt; - volatile u32 vram_raslo_max; - volatile u32 vram_raslo_cur; - volatile u32 pwrup_cfg; - volatile u32 vram_xxx[25]; - - /* Registers for IBM RGB528 Palette */ - volatile u32 ramdac_cmap_wridx; - volatile u32 ramdac_palette_data; - volatile u32 ramdac_pixel_mask; - volatile u32 ramdac_palette_rdaddr; - volatile u32 ramdac_idx_lo; - volatile u32 ramdac_idx_hi; - volatile u32 ramdac_idx_data; - volatile u32 ramdac_idx_ctl; - volatile u32 ramdac_xxx[1784]; -}; - -struct p9100_cmd_parameng { - volatile u32 parameng_status; - volatile u32 parameng_bltcmd; - volatile u32 parameng_quadcmd; -}; - -struct p9100_par { - spinlock_t lock; - struct p9100_regs __iomem *regs; - - u32 flags; -#define P9100_FLAG_BLANKED 0x00000001 - - unsigned long physbase; - unsigned long fbsize; - - struct sbus_dev *sdev; -}; - -/** - * p9100_setcolreg - Optional function. Sets a color register. - * @regno: boolean, 0 copy local, 1 get_user() function - * @red: frame buffer colormap structure - * @green: The green value which can be up to 16 bits wide - * @blue: The blue value which can be up to 16 bits wide. - * @transp: If supported the alpha value which can be up to 16 bits wide. - * @info: frame buffer info structure - */ -static int p9100_setcolreg(unsigned regno, - unsigned red, unsigned green, unsigned blue, - unsigned transp, struct fb_info *info) -{ - struct p9100_par *par = (struct p9100_par *) info->par; - struct p9100_regs __iomem *regs = par->regs; - unsigned long flags; - - if (regno >= 256) - return 1; - - red >>= 8; - green >>= 8; - blue >>= 8; - - spin_lock_irqsave(&par->lock, flags); - - sbus_writel((regno << 16), ®s->ramdac_cmap_wridx); - sbus_writel((red << 16), ®s->ramdac_palette_data); - sbus_writel((green << 16), ®s->ramdac_palette_data); - sbus_writel((blue << 16), ®s->ramdac_palette_data); - - spin_unlock_irqrestore(&par->lock, flags); - - return 0; -} - -/** - * p9100_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 -p9100_blank(int blank, struct fb_info *info) -{ - struct p9100_par *par = (struct p9100_par *) info->par; - struct p9100_regs __iomem *regs = par->regs; - unsigned long flags; - u32 val; - - spin_lock_irqsave(&par->lock, flags); - - switch (blank) { - case FB_BLANK_UNBLANK: /* Unblanking */ - val = sbus_readl(®s->vid_screenpaint_timectl1); - val |= SCREENPAINT_TIMECTL1_ENABLE_VIDEO; - sbus_writel(val, ®s->vid_screenpaint_timectl1); - par->flags &= ~P9100_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_readl(®s->vid_screenpaint_timectl1); - val &= ~SCREENPAINT_TIMECTL1_ENABLE_VIDEO; - sbus_writel(val, ®s->vid_screenpaint_timectl1); - par->flags |= P9100_FLAG_BLANKED; - break; - } - - spin_unlock_irqrestore(&par->lock, flags); - - return 0; -} - -static struct sbus_mmap_map p9100_mmap_map[] = { - { CG3_MMAP_OFFSET, 0, SBUS_MMAP_FBSIZE(1) }, - { 0, 0, 0 } -}; - -static int p9100_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma) -{ - struct p9100_par *par = (struct p9100_par *)info->par; - - return sbusfb_mmap_helper(p9100_mmap_map, - par->physbase, par->fbsize, - par->sdev->reg_addrs[0].which_io, - vma); -} - -static int p9100_ioctl(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg, struct fb_info *info) -{ - struct p9100_par *par = (struct p9100_par *) info->par; - - /* Make it look like a cg3. */ - return sbusfb_ioctl_helper(cmd, arg, info, - FBTYPE_SUN3COLOR, 8, par->fbsize); -} - -/* - * Initialisation - */ - -static void -p9100_init_fix(struct fb_info *info, int linebytes) -{ - struct p9100_par *par = (struct p9100_par *)info->par; - - strlcpy(info->fix.id, par->sdev->prom_name, sizeof(info->fix.id)); - - info->fix.type = FB_TYPE_PACKED_PIXELS; - info->fix.visual = FB_VISUAL_PSEUDOCOLOR; - - info->fix.line_length = linebytes; - - info->fix.accel = FB_ACCEL_SUN_CGTHREE; -} - -struct all_info { - struct fb_info info; - struct p9100_par par; - struct list_head list; -}; -static LIST_HEAD(p9100_list); - -static void p9100_init_one(struct sbus_dev *sdev) -{ - struct all_info *all; - int linebytes; - - all = kmalloc(sizeof(*all), GFP_KERNEL); - if (!all) { - printk(KERN_ERR "p9100: 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; - - /* This is the framebuffer and the only resource apps can mmap. */ - all->par.physbase = sdev->reg_addrs[2].phys_addr; - - sbusfb_fill_var(&all->info.var, sdev->prom_node, 8); - all->info.var.red.length = 8; - all->info.var.green.length = 8; - all->info.var.blue.length = 8; - - linebytes = prom_getintdefault(sdev->prom_node, "linebytes", - all->info.var.xres); - all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres); - - all->par.regs = sbus_ioremap(&sdev->resource[0], 0, - sizeof(struct p9100_regs), "p9100 regs"); - - all->info.flags = FBINFO_DEFAULT; - all->info.fbops = &p9100_ops; -#ifdef CONFIG_SPARC32 - 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(&sdev->resource[2], 0, - all->par.fbsize, "p9100 ram"); - all->info.par = &all->par; - - p9100_blank(0, &all->info); - - if (fb_alloc_cmap(&all->info.cmap, 256, 0)) { - printk(KERN_ERR "p9100: Could not allocate color map.\n"); - kfree(all); - return; - } - - p9100_init_fix(&all->info, linebytes); - - if (register_framebuffer(&all->info) < 0) { - printk(KERN_ERR "p9100: Could not register framebuffer.\n"); - fb_dealloc_cmap(&all->info.cmap); - kfree(all); - return; - } - fb_set_cmap(&all->info.cmap, &all->info); - - list_add(&all->list, &p9100_list); - - printk("p9100: %s at %lx:%lx\n", - sdev->prom_name, - (long) sdev->reg_addrs[0].which_io, - (long) sdev->reg_addrs[0].phys_addr); -} - -int __init p9100_init(void) -{ - struct sbus_bus *sbus; - struct sbus_dev *sdev; - - if (fb_get_options("p9100fb", NULL)) - return -ENODEV; - - for_all_sbusdev(sdev, sbus) { - if (!strcmp(sdev->prom_name, "p9100")) - p9100_init_one(sdev); - } - - return 0; -} - -void __exit p9100_exit(void) -{ - struct list_head *pos, *tmp; - - list_for_each_safe(pos, tmp, &p9100_list) { - struct all_info *all = list_entry(pos, typeof(*all), list); - - unregister_framebuffer(&all->info); - fb_dealloc_cmap(&all->info.cmap); - kfree(all); - } -} - -int __init -p9100_setup(char *arg) -{ - /* No cmdline options yet... */ - return 0; -} - -module_init(p9100_init); - -#ifdef MODULE -module_exit(p9100_exit); -#endif - -MODULE_DESCRIPTION("framebuffer driver for P9100 chipsets"); -MODULE_AUTHOR("David S. Miller <davem@redhat.com>"); -MODULE_LICENSE("GPL"); |