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path: root/drivers/video/leo.c
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-rw-r--r--drivers/video/leo.c665
1 files changed, 0 insertions, 665 deletions
diff --git a/drivers/video/leo.c b/drivers/video/leo.c
deleted file mode 100644
index a23cfdb9d82..00000000000
--- a/drivers/video/leo.c
+++ /dev/null
@@ -1,665 +0,0 @@
-/* leo.c: LEO frame buffer driver
- *
- * Copyright (C) 2003 David S. Miller (davem@redhat.com)
- * Copyright (C) 1996-1999 Jakub Jelinek (jj@ultra.linux.cz)
- * Copyright (C) 1997 Michal Rehacek (Michal.Rehacek@st.mff.cuni.cz)
- *
- * 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 leo_setcolreg(unsigned, unsigned, unsigned, unsigned,
- unsigned, struct fb_info *);
-static int leo_blank(int, struct fb_info *);
-
-static int leo_mmap(struct fb_info *, struct vm_area_struct *);
-static int leo_ioctl(struct fb_info *, unsigned int, unsigned long);
-static int leo_pan_display(struct fb_var_screeninfo *, struct fb_info *);
-
-/*
- * Frame buffer operations
- */
-
-static struct fb_ops leo_ops = {
- .owner = THIS_MODULE,
- .fb_setcolreg = leo_setcolreg,
- .fb_blank = leo_blank,
- .fb_pan_display = leo_pan_display,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
- .fb_mmap = leo_mmap,
- .fb_ioctl = leo_ioctl,
-#ifdef CONFIG_COMPAT
- .fb_compat_ioctl = sbusfb_compat_ioctl,
-#endif
-};
-
-#define LEO_OFF_LC_SS0_KRN 0x00200000UL
-#define LEO_OFF_LC_SS0_USR 0x00201000UL
-#define LEO_OFF_LC_SS1_KRN 0x01200000UL
-#define LEO_OFF_LC_SS1_USR 0x01201000UL
-#define LEO_OFF_LD_SS0 0x00400000UL
-#define LEO_OFF_LD_SS1 0x01400000UL
-#define LEO_OFF_LD_GBL 0x00401000UL
-#define LEO_OFF_LX_KRN 0x00600000UL
-#define LEO_OFF_LX_CURSOR 0x00601000UL
-#define LEO_OFF_SS0 0x00800000UL
-#define LEO_OFF_SS1 0x01800000UL
-#define LEO_OFF_UNK 0x00602000UL
-#define LEO_OFF_UNK2 0x00000000UL
-
-#define LEO_CUR_ENABLE 0x00000080
-#define LEO_CUR_UPDATE 0x00000030
-#define LEO_CUR_PROGRESS 0x00000006
-#define LEO_CUR_UPDATECMAP 0x00000003
-
-#define LEO_CUR_TYPE_MASK 0x00000000
-#define LEO_CUR_TYPE_IMAGE 0x00000020
-#define LEO_CUR_TYPE_CMAP 0x00000050
-
-struct leo_cursor {
- u8 xxx0[16];
- volatile u32 cur_type;
- volatile u32 cur_misc;
- volatile u32 cur_cursxy;
- volatile u32 cur_data;
-};
-
-#define LEO_KRN_TYPE_CLUT0 0x00001000
-#define LEO_KRN_TYPE_CLUT1 0x00001001
-#define LEO_KRN_TYPE_CLUT2 0x00001002
-#define LEO_KRN_TYPE_WID 0x00001003
-#define LEO_KRN_TYPE_UNK 0x00001006
-#define LEO_KRN_TYPE_VIDEO 0x00002003
-#define LEO_KRN_TYPE_CLUTDATA 0x00004000
-#define LEO_KRN_CSR_ENABLE 0x00000008
-#define LEO_KRN_CSR_PROGRESS 0x00000004
-#define LEO_KRN_CSR_UNK 0x00000002
-#define LEO_KRN_CSR_UNK2 0x00000001
-
-struct leo_lx_krn {
- volatile u32 krn_type;
- volatile u32 krn_csr;
- volatile u32 krn_value;
-};
-
-struct leo_lc_ss0_krn {
- volatile u32 misc;
- u8 xxx0[0x800-4];
- volatile u32 rev;
-};
-
-struct leo_lc_ss0_usr {
- volatile u32 csr;
- volatile u32 addrspace;
- volatile u32 fontmsk;
- volatile u32 fontt;
- volatile u32 extent;
- volatile u32 src;
- u32 dst;
- volatile u32 copy;
- volatile u32 fill;
-};
-
-struct leo_lc_ss1_krn {
- u8 unknown;
-};
-
-struct leo_lc_ss1_usr {
- u8 unknown;
-};
-
-struct leo_ld {
- u8 xxx0[0xe00];
- volatile u32 csr;
- volatile u32 wid;
- volatile u32 wmask;
- volatile u32 widclip;
- volatile u32 vclipmin;
- volatile u32 vclipmax;
- volatile u32 pickmin; /* SS1 only */
- volatile u32 pickmax; /* SS1 only */
- volatile u32 fg;
- volatile u32 bg;
- volatile u32 src; /* Copy/Scroll (SS0 only) */
- volatile u32 dst; /* Copy/Scroll/Fill (SS0 only) */
- volatile u32 extent; /* Copy/Scroll/Fill size (SS0 only) */
- u32 xxx1[3];
- volatile u32 setsem; /* SS1 only */
- volatile u32 clrsem; /* SS1 only */
- volatile u32 clrpick; /* SS1 only */
- volatile u32 clrdat; /* SS1 only */
- volatile u32 alpha; /* SS1 only */
- u8 xxx2[0x2c];
- volatile u32 winbg;
- volatile u32 planemask;
- volatile u32 rop;
- volatile u32 z;
- volatile u32 dczf; /* SS1 only */
- volatile u32 dczb; /* SS1 only */
- volatile u32 dcs; /* SS1 only */
- volatile u32 dczs; /* SS1 only */
- volatile u32 pickfb; /* SS1 only */
- volatile u32 pickbb; /* SS1 only */
- volatile u32 dcfc; /* SS1 only */
- volatile u32 forcecol; /* SS1 only */
- volatile u32 door[8]; /* SS1 only */
- volatile u32 pick[5]; /* SS1 only */
-};
-
-#define LEO_SS1_MISC_ENABLE 0x00000001
-#define LEO_SS1_MISC_STEREO 0x00000002
-struct leo_ld_ss1 {
- u8 xxx0[0xef4];
- volatile u32 ss1_misc;
-};
-
-struct leo_ld_gbl {
- u8 unknown;
-};
-
-struct leo_par {
- spinlock_t lock;
- struct leo_lx_krn __iomem *lx_krn;
- struct leo_lc_ss0_usr __iomem *lc_ss0_usr;
- struct leo_ld_ss0 __iomem *ld_ss0;
- struct leo_ld_ss1 __iomem *ld_ss1;
- struct leo_cursor __iomem *cursor;
- u32 extent;
- u32 clut_data[256];
-
- u32 flags;
-#define LEO_FLAG_BLANKED 0x00000001
-
- unsigned long physbase;
- unsigned long fbsize;
-
- struct sbus_dev *sdev;
-};
-
-static void leo_wait(struct leo_lx_krn __iomem *lx_krn)
-{
- int i;
-
- for (i = 0;
- (sbus_readl(&lx_krn->krn_csr) & LEO_KRN_CSR_PROGRESS) && i < 300000;
- i++)
- udelay (1); /* Busy wait at most 0.3 sec */
- return;
-}
-
-/**
- * leo_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 leo_setcolreg(unsigned regno,
- unsigned red, unsigned green, unsigned blue,
- unsigned transp, struct fb_info *info)
-{
- struct leo_par *par = (struct leo_par *) info->par;
- struct leo_lx_krn __iomem *lx_krn = par->lx_krn;
- unsigned long flags;
- u32 val;
- int i;
-
- if (regno >= 256)
- return 1;
-
- red >>= 8;
- green >>= 8;
- blue >>= 8;
-
- par->clut_data[regno] = red | (green << 8) | (blue << 16);
-
- spin_lock_irqsave(&par->lock, flags);
-
- leo_wait(lx_krn);
-
- sbus_writel(LEO_KRN_TYPE_CLUTDATA, &lx_krn->krn_type);
- for (i = 0; i < 256; i++)
- sbus_writel(par->clut_data[i], &lx_krn->krn_value);
- sbus_writel(LEO_KRN_TYPE_CLUT0, &lx_krn->krn_type);
-
- val = sbus_readl(&lx_krn->krn_csr);
- val |= (LEO_KRN_CSR_UNK | LEO_KRN_CSR_UNK2);
- sbus_writel(val, &lx_krn->krn_csr);
-
- spin_unlock_irqrestore(&par->lock, flags);
-
- return 0;
-}
-
-/**
- * leo_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 leo_blank(int blank, struct fb_info *info)
-{
- struct leo_par *par = (struct leo_par *) info->par;
- struct leo_lx_krn __iomem *lx_krn = par->lx_krn;
- unsigned long flags;
- u32 val;
-
- spin_lock_irqsave(&par->lock, flags);
-
- switch (blank) {
- case FB_BLANK_UNBLANK: /* Unblanking */
- val = sbus_readl(&lx_krn->krn_csr);
- val |= LEO_KRN_CSR_ENABLE;
- sbus_writel(val, &lx_krn->krn_csr);
- par->flags &= ~LEO_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(&lx_krn->krn_csr);
- val &= ~LEO_KRN_CSR_ENABLE;
- sbus_writel(val, &lx_krn->krn_csr);
- par->flags |= LEO_FLAG_BLANKED;
- break;
- }
-
- spin_unlock_irqrestore(&par->lock, flags);
-
- return 0;
-}
-
-static struct sbus_mmap_map leo_mmap_map[] = {
- {
- .voff = LEO_SS0_MAP,
- .poff = LEO_OFF_SS0,
- .size = 0x800000
- },
- {
- .voff = LEO_LC_SS0_USR_MAP,
- .poff = LEO_OFF_LC_SS0_USR,
- .size = 0x1000
- },
- {
- .voff = LEO_LD_SS0_MAP,
- .poff = LEO_OFF_LD_SS0,
- .size = 0x1000
- },
- {
- .voff = LEO_LX_CURSOR_MAP,
- .poff = LEO_OFF_LX_CURSOR,
- .size = 0x1000
- },
- {
- .voff = LEO_SS1_MAP,
- .poff = LEO_OFF_SS1,
- .size = 0x800000
- },
- {
- .voff = LEO_LC_SS1_USR_MAP,
- .poff = LEO_OFF_LC_SS1_USR,
- .size = 0x1000
- },
- {
- .voff = LEO_LD_SS1_MAP,
- .poff = LEO_OFF_LD_SS1,
- .size = 0x1000
- },
- {
- .voff = LEO_UNK_MAP,
- .poff = LEO_OFF_UNK,
- .size = 0x1000
- },
- {
- .voff = LEO_LX_KRN_MAP,
- .poff = LEO_OFF_LX_KRN,
- .size = 0x1000
- },
- {
- .voff = LEO_LC_SS0_KRN_MAP,
- .poff = LEO_OFF_LC_SS0_KRN,
- .size = 0x1000
- },
- {
- .voff = LEO_LC_SS1_KRN_MAP,
- .poff = LEO_OFF_LC_SS1_KRN,
- .size = 0x1000
- },
- {
- .voff = LEO_LD_GBL_MAP,
- .poff = LEO_OFF_LD_GBL,
- .size = 0x1000
- },
- {
- .voff = LEO_UNK2_MAP,
- .poff = LEO_OFF_UNK2,
- .size = 0x100000
- },
- { .size = 0 }
-};
-
-static int leo_mmap(struct fb_info *info, struct vm_area_struct *vma)
-{
- struct leo_par *par = (struct leo_par *)info->par;
-
- return sbusfb_mmap_helper(leo_mmap_map,
- par->physbase, par->fbsize,
- par->sdev->reg_addrs[0].which_io,
- vma);
-}
-
-static int leo_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
-{
- struct leo_par *par = (struct leo_par *) info->par;
-
- return sbusfb_ioctl_helper(cmd, arg, info,
- FBTYPE_SUNLEO, 32, par->fbsize);
-}
-
-/*
- * Initialisation
- */
-
-static void
-leo_init_fix(struct fb_info *info)
-{
- struct leo_par *par = (struct leo_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_TRUECOLOR;
-
- info->fix.line_length = 8192;
-
- info->fix.accel = FB_ACCEL_SUN_LEO;
-}
-
-static void leo_wid_put(struct fb_info *info, struct fb_wid_list *wl)
-{
- struct leo_par *par = (struct leo_par *) info->par;
- struct leo_lx_krn __iomem *lx_krn = par->lx_krn;
- struct fb_wid_item *wi;
- unsigned long flags;
- u32 val;
- int i, j;
-
- spin_lock_irqsave(&par->lock, flags);
-
- leo_wait(lx_krn);
-
- for (i = 0, wi = wl->wl_list; i < wl->wl_count; i++, wi++) {
- switch(wi->wi_type) {
- case FB_WID_DBL_8:
- j = (wi->wi_index & 0xf) + 0x40;
- break;
-
- case FB_WID_DBL_24:
- j = wi->wi_index & 0x3f;
- break;
-
- default:
- continue;
- };
- sbus_writel(0x5800 + j, &lx_krn->krn_type);
- sbus_writel(wi->wi_values[0], &lx_krn->krn_value);
- }
- sbus_writel(LEO_KRN_TYPE_WID, &lx_krn->krn_type);
-
- val = sbus_readl(&lx_krn->krn_csr);
- val |= (LEO_KRN_CSR_UNK | LEO_KRN_CSR_UNK2);
- sbus_writel(val, &lx_krn->krn_csr);
-
- spin_unlock_irqrestore(&par->lock, flags);
-}
-
-static void leo_init_wids(struct fb_info *info)
-{
- struct fb_wid_item wi;
- struct fb_wid_list wl;
-
- wl.wl_count = 1;
- wl.wl_list = &wi;
- wi.wi_type = FB_WID_DBL_8;
- wi.wi_index = 0;
- wi.wi_values [0] = 0x2c0;
- leo_wid_put(info, &wl);
- wi.wi_index = 1;
- wi.wi_values [0] = 0x30;
- leo_wid_put(info, &wl);
- wi.wi_index = 2;
- wi.wi_values [0] = 0x20;
- leo_wid_put(info, &wl);
- wi.wi_type = FB_WID_DBL_24;
- wi.wi_index = 1;
- wi.wi_values [0] = 0x30;
- leo_wid_put(info, &wl);
-
-}
-
-static void leo_switch_from_graph(struct fb_info *info)
-{
- struct leo_par *par = (struct leo_par *) info->par;
- struct leo_ld __iomem *ss = (struct leo_ld __iomem *) par->ld_ss0;
- unsigned long flags;
- u32 val;
-
- spin_lock_irqsave(&par->lock, flags);
-
- par->extent = ((info->var.xres - 1) |
- ((info->var.yres - 1) << 16));
-
- sbus_writel(0xffffffff, &ss->wid);
- sbus_writel(0xffff, &ss->wmask);
- sbus_writel(0, &ss->vclipmin);
- sbus_writel(par->extent, &ss->vclipmax);
- sbus_writel(0, &ss->fg);
- sbus_writel(0xff000000, &ss->planemask);
- sbus_writel(0x310850, &ss->rop);
- sbus_writel(0, &ss->widclip);
- sbus_writel((info->var.xres-1) | ((info->var.yres-1) << 11),
- &par->lc_ss0_usr->extent);
- sbus_writel(4, &par->lc_ss0_usr->addrspace);
- sbus_writel(0x80000000, &par->lc_ss0_usr->fill);
- sbus_writel(0, &par->lc_ss0_usr->fontt);
- do {
- val = sbus_readl(&par->lc_ss0_usr->csr);
- } while (val & 0x20000000);
-
- spin_unlock_irqrestore(&par->lock, flags);
-}
-
-static int leo_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
-{
- /* We just use this to catch switches out of
- * graphics mode.
- */
- leo_switch_from_graph(info);
-
- if (var->xoffset || var->yoffset || var->vmode)
- return -EINVAL;
- return 0;
-}
-
-static void leo_init_hw(struct fb_info *info)
-{
- struct leo_par *par = (struct leo_par *) info->par;
- u32 val;
-
- val = sbus_readl(&par->ld_ss1->ss1_misc);
- val |= LEO_SS1_MISC_ENABLE;
- sbus_writel(val, &par->ld_ss1->ss1_misc);
-
- leo_switch_from_graph(info);
-}
-
-static void leo_fixup_var_rgb(struct fb_var_screeninfo *var)
-{
- var->red.offset = 0;
- var->red.length = 8;
- var->green.offset = 8;
- var->green.length = 8;
- var->blue.offset = 16;
- var->blue.length = 8;
- var->transp.offset = 0;
- var->transp.length = 0;
-}
-
-struct all_info {
- struct fb_info info;
- struct leo_par par;
- struct list_head list;
-};
-static LIST_HEAD(leo_list);
-
-static void leo_init_one(struct sbus_dev *sdev)
-{
- struct all_info *all;
- int linebytes;
-
- all = kmalloc(sizeof(*all), GFP_KERNEL);
- if (!all) {
- printk(KERN_ERR "leo: 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;
-
- all->par.physbase = sdev->reg_addrs[0].phys_addr;
-
- sbusfb_fill_var(&all->info.var, sdev->prom_node, 32);
- leo_fixup_var_rgb(&all->info.var);
-
- linebytes = prom_getintdefault(sdev->prom_node, "linebytes",
- all->info.var.xres);
- all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
-
-#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[0], LEO_OFF_SS0,
- 0x800000, "leo ram");
-
- all->par.lc_ss0_usr =
- sbus_ioremap(&sdev->resource[0], LEO_OFF_LC_SS0_USR,
- 0x1000, "leolc ss0usr");
- all->par.ld_ss0 =
- sbus_ioremap(&sdev->resource[0], LEO_OFF_LD_SS0,
- 0x1000, "leold ss0");
- all->par.ld_ss1 =
- sbus_ioremap(&sdev->resource[0], LEO_OFF_LD_SS1,
- 0x1000, "leold ss1");
- all->par.lx_krn =
- sbus_ioremap(&sdev->resource[0], LEO_OFF_LX_KRN,
- 0x1000, "leolx krn");
- all->par.cursor =
- sbus_ioremap(&sdev->resource[0], LEO_OFF_LX_CURSOR,
- sizeof(struct leo_cursor), "leolx cursor");
-
- all->info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
- all->info.fbops = &leo_ops;
- all->info.par = &all->par;
-
- leo_init_wids(&all->info);
- leo_init_hw(&all->info);
-
- leo_blank(0, &all->info);
-
- if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
- printk(KERN_ERR "leo: Could not allocate color map.\n");
- kfree(all);
- return;
- }
-
- leo_init_fix(&all->info);
-
- if (register_framebuffer(&all->info) < 0) {
- printk(KERN_ERR "leo: Could not register framebuffer.\n");
- fb_dealloc_cmap(&all->info.cmap);
- kfree(all);
- return;
- }
-
- list_add(&all->list, &leo_list);
-
- printk("leo: %s at %lx:%lx\n",
- sdev->prom_name,
- (long) sdev->reg_addrs[0].which_io,
- (long) sdev->reg_addrs[0].phys_addr);
-}
-
-int __init leo_init(void)
-{
- struct sbus_bus *sbus;
- struct sbus_dev *sdev;
-
- if (fb_get_options("leofb", NULL))
- return -ENODEV;
-
- for_all_sbusdev(sdev, sbus) {
- if (!strcmp(sdev->prom_name, "leo"))
- leo_init_one(sdev);
- }
-
- return 0;
-}
-
-void __exit leo_exit(void)
-{
- struct list_head *pos, *tmp;
-
- list_for_each_safe(pos, tmp, &leo_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
-leo_setup(char *arg)
-{
- /* No cmdline options yet... */
- return 0;
-}
-
-module_init(leo_init);
-#ifdef MODULE
-module_exit(leo_exit);
-#endif
-
-MODULE_DESCRIPTION("framebuffer driver for LEO chipsets");
-MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
-MODULE_LICENSE("GPL");
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