diff options
Diffstat (limited to 'drivers/video/p9100.c')
| -rw-r--r-- | drivers/video/p9100.c | 399 |
1 files changed, 0 insertions, 399 deletions
diff --git a/drivers/video/p9100.c b/drivers/video/p9100.c deleted file mode 100644 index 637b78bb4bf..00000000000 --- a/drivers/video/p9100.c +++ /dev/null @@ -1,399 +0,0 @@ -/* p9100.c: P9100 frame buffer driver - * - * Copyright (C) 2003, 2006 David S. Miller (davem@davemloft.net) - * 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/prom.h> -#include <asm/of_device.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 vm_area_struct *); -static int p9100_ioctl(struct fb_info *, unsigned int, unsigned long); - -/* - * 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 */ - u32 sys_base; - u32 sys_config; - u32 sys_intr; - u32 sys_int_ena; - u32 sys_alt_rd; - u32 sys_alt_wr; - u32 sys_xxx[58]; - - /* Registers for the video control */ - u32 vid_base; - u32 vid_hcnt; - u32 vid_htotal; - u32 vid_hsync_rise; - u32 vid_hblank_rise; - u32 vid_hblank_fall; - u32 vid_hcnt_preload; - u32 vid_vcnt; - u32 vid_vlen; - u32 vid_vsync_rise; - u32 vid_vblank_rise; - u32 vid_vblank_fall; - u32 vid_vcnt_preload; - u32 vid_screenpaint_addr; - u32 vid_screenpaint_timectl1; - u32 vid_screenpaint_qsfcnt; - u32 vid_screenpaint_timectl2; - u32 vid_xxx[15]; - - /* Registers for the video control */ - u32 vram_base; - u32 vram_memcfg; - u32 vram_refresh_pd; - u32 vram_refresh_cnt; - u32 vram_raslo_max; - u32 vram_raslo_cur; - u32 pwrup_cfg; - u32 vram_xxx[25]; - - /* Registers for IBM RGB528 Palette */ - u32 ramdac_cmap_wridx; - u32 ramdac_palette_data; - u32 ramdac_pixel_mask; - u32 ramdac_palette_rdaddr; - u32 ramdac_idx_lo; - u32 ramdac_idx_hi; - u32 ramdac_idx_data; - u32 ramdac_idx_ctl; - u32 ramdac_xxx[1784]; -}; - -struct p9100_cmd_parameng { - u32 parameng_status; - u32 parameng_bltcmd; - 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 which_io; - unsigned long fbsize; -}; - -/** - * 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 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->which_io, vma); -} - -static int p9100_ioctl(struct fb_info *info, unsigned int cmd, - unsigned long arg) -{ - 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 device_node *dp) -{ - strlcpy(info->fix.id, dp->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; -}; - -static int __devinit p9100_init_one(struct of_device *op) -{ - struct device_node *dp = op->node; - struct all_info *all; - int linebytes, err; - - all = kzalloc(sizeof(*all), GFP_KERNEL); - if (!all) - return -ENOMEM; - - spin_lock_init(&all->par.lock); - - /* This is the framebuffer and the only resource apps can mmap. */ - all->par.physbase = op->resource[2].start; - all->par.which_io = op->resource[2].flags & IORESOURCE_BITS; - - sbusfb_fill_var(&all->info.var, dp->node, 8); - all->info.var.red.length = 8; - all->info.var.green.length = 8; - all->info.var.blue.length = 8; - - linebytes = of_getintprop_default(dp, "linebytes", - all->info.var.xres); - all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres); - - all->par.regs = of_ioremap(&op->resource[0], 0, - sizeof(struct p9100_regs), "p9100 regs"); - if (!all->par.regs) { - kfree(all); - return -ENOMEM; - } - - all->info.flags = FBINFO_DEFAULT; - all->info.fbops = &p9100_ops; - all->info.screen_base = of_ioremap(&op->resource[2], 0, - all->par.fbsize, "p9100 ram"); - if (!all->info.screen_base) { - of_iounmap(&op->resource[0], - all->par.regs, sizeof(struct p9100_regs)); - kfree(all); - return -ENOMEM; - } - all->info.par = &all->par; - - p9100_blank(0, &all->info); - - if (fb_alloc_cmap(&all->info.cmap, 256, 0)) { - of_iounmap(&op->resource[0], - all->par.regs, sizeof(struct p9100_regs)); - of_iounmap(&op->resource[2], - all->info.screen_base, all->par.fbsize); - kfree(all); - return -ENOMEM; - } - - p9100_init_fix(&all->info, linebytes, dp); - - err = register_framebuffer(&all->info); - if (err < 0) { - fb_dealloc_cmap(&all->info.cmap); - of_iounmap(&op->resource[0], - all->par.regs, sizeof(struct p9100_regs)); - of_iounmap(&op->resource[2], - all->info.screen_base, all->par.fbsize); - kfree(all); - return err; - } - fb_set_cmap(&all->info.cmap, &all->info); - - dev_set_drvdata(&op->dev, all); - - printk("%s: p9100 at %lx:%lx\n", - dp->full_name, - all->par.which_io, all->par.physbase); - - return 0; -} - -static int __devinit p9100_probe(struct of_device *dev, const struct of_device_id *match) -{ - struct of_device *op = to_of_device(&dev->dev); - - return p9100_init_one(op); -} - -static int __devexit p9100_remove(struct of_device *op) -{ - struct all_info *all = dev_get_drvdata(&op->dev); - - unregister_framebuffer(&all->info); - fb_dealloc_cmap(&all->info.cmap); - - of_iounmap(&op->resource[0], all->par.regs, sizeof(struct p9100_regs)); - of_iounmap(&op->resource[2], all->info.screen_base, all->par.fbsize); - - kfree(all); - - dev_set_drvdata(&op->dev, NULL); - - return 0; -} - -static struct of_device_id p9100_match[] = { - { - .name = "p9100", - }, - {}, -}; -MODULE_DEVICE_TABLE(of, p9100_match); - -static struct of_platform_driver p9100_driver = { - .name = "p9100", - .match_table = p9100_match, - .probe = p9100_probe, - .remove = __devexit_p(p9100_remove), -}; - -static int __init p9100_init(void) -{ - if (fb_get_options("p9100fb", NULL)) - return -ENODEV; - - return of_register_driver(&p9100_driver, &of_bus_type); -} - -static void __exit p9100_exit(void) -{ - of_unregister_driver(&p9100_driver); -} - -module_init(p9100_init); -module_exit(p9100_exit); - -MODULE_DESCRIPTION("framebuffer driver for P9100 chipsets"); -MODULE_AUTHOR("David S. Miller <davem@davemloft.net>"); -MODULE_VERSION("2.0"); -MODULE_LICENSE("GPL"); |