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Diffstat (limited to 'drivers/video/tcx.c')
-rw-r--r--drivers/video/tcx.c516
1 files changed, 0 insertions, 516 deletions
diff --git a/drivers/video/tcx.c b/drivers/video/tcx.c
deleted file mode 100644
index 1986a8b3833..00000000000
--- a/drivers/video/tcx.c
+++ /dev/null
@@ -1,516 +0,0 @@
-/* tcx.c: TCX 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) 1996 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>
-
-#include "sbuslib.h"
-
-/*
- * Local functions.
- */
-
-static int tcx_setcolreg(unsigned, unsigned, unsigned, unsigned,
- unsigned, struct fb_info *);
-static int tcx_blank(int, struct fb_info *);
-
-static int tcx_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
-static int tcx_ioctl(struct inode *, struct file *, unsigned int,
- unsigned long, struct fb_info *);
-static int tcx_pan_display(struct fb_var_screeninfo *, struct fb_info *);
-
-/*
- * Frame buffer operations
- */
-
-static struct fb_ops tcx_ops = {
- .owner = THIS_MODULE,
- .fb_setcolreg = tcx_setcolreg,
- .fb_blank = tcx_blank,
- .fb_pan_display = tcx_pan_display,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
- .fb_mmap = tcx_mmap,
- .fb_ioctl = tcx_ioctl,
- .fb_cursor = soft_cursor,
-};
-
-/* THC definitions */
-#define TCX_THC_MISC_REV_SHIFT 16
-#define TCX_THC_MISC_REV_MASK 15
-#define TCX_THC_MISC_VSYNC_DIS (1 << 25)
-#define TCX_THC_MISC_HSYNC_DIS (1 << 24)
-#define TCX_THC_MISC_RESET (1 << 12)
-#define TCX_THC_MISC_VIDEO (1 << 10)
-#define TCX_THC_MISC_SYNC (1 << 9)
-#define TCX_THC_MISC_VSYNC (1 << 8)
-#define TCX_THC_MISC_SYNC_ENAB (1 << 7)
-#define TCX_THC_MISC_CURS_RES (1 << 6)
-#define TCX_THC_MISC_INT_ENAB (1 << 5)
-#define TCX_THC_MISC_INT (1 << 4)
-#define TCX_THC_MISC_INIT 0x9f
-#define TCX_THC_REV_REV_SHIFT 20
-#define TCX_THC_REV_REV_MASK 15
-#define TCX_THC_REV_MINREV_SHIFT 28
-#define TCX_THC_REV_MINREV_MASK 15
-
-/* The contents are unknown */
-struct tcx_tec {
- volatile u32 tec_matrix;
- volatile u32 tec_clip;
- volatile u32 tec_vdc;
-};
-
-struct tcx_thc {
- volatile u32 thc_rev;
- u32 thc_pad0[511];
- volatile u32 thc_hs; /* hsync timing */
- volatile u32 thc_hsdvs;
- volatile u32 thc_hd;
- volatile u32 thc_vs; /* vsync timing */
- volatile u32 thc_vd;
- volatile u32 thc_refresh;
- volatile u32 thc_misc;
- u32 thc_pad1[56];
- volatile u32 thc_cursxy; /* cursor x,y position (16 bits each) */
- volatile u32 thc_cursmask[32]; /* cursor mask bits */
- volatile u32 thc_cursbits[32]; /* what to show where mask enabled */
-};
-
-struct bt_regs {
- volatile u32 addr;
- volatile u32 color_map;
- volatile u32 control;
- volatile u32 cursor;
-};
-
-#define TCX_MMAP_ENTRIES 14
-
-struct tcx_par {
- spinlock_t lock;
- struct bt_regs __iomem *bt;
- struct tcx_thc __iomem *thc;
- struct tcx_tec __iomem *tec;
- volatile u32 __iomem *cplane;
-
- u32 flags;
-#define TCX_FLAG_BLANKED 0x00000001
-
- unsigned long physbase;
- unsigned long fbsize;
-
- struct sbus_mmap_map mmap_map[TCX_MMAP_ENTRIES];
- int lowdepth;
-
- struct sbus_dev *sdev;
- struct list_head list;
-};
-
-/* Reset control plane so that WID is 8-bit plane. */
-static void __tcx_set_control_plane (struct tcx_par *par)
-{
- volatile u32 __iomem *p, *pend;
-
- if (par->lowdepth)
- return;
-
- p = par->cplane;
- if (p == NULL)
- return;
- for (pend = p + par->fbsize; p < pend; p++) {
- u32 tmp = sbus_readl(p);
-
- tmp &= 0xffffff;
- sbus_writel(tmp, p);
- }
-}
-
-static void tcx_reset (struct fb_info *info)
-{
- struct tcx_par *par = (struct tcx_par *) info->par;
- unsigned long flags;
-
- spin_lock_irqsave(&par->lock, flags);
- __tcx_set_control_plane(par);
- spin_unlock_irqrestore(&par->lock, flags);
-}
-
-static int tcx_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
-{
- tcx_reset(info);
- return 0;
-}
-
-/**
- * tcx_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 tcx_setcolreg(unsigned regno,
- unsigned red, unsigned green, unsigned blue,
- unsigned transp, struct fb_info *info)
-{
- struct tcx_par *par = (struct tcx_par *) info->par;
- struct bt_regs __iomem *bt = par->bt;
- unsigned long flags;
-
- if (regno >= 256)
- return 1;
-
- red >>= 8;
- green >>= 8;
- blue >>= 8;
-
- spin_lock_irqsave(&par->lock, flags);
-
- sbus_writel(regno << 24, &bt->addr);
- sbus_writel(red << 24, &bt->color_map);
- sbus_writel(green << 24, &bt->color_map);
- sbus_writel(blue << 24, &bt->color_map);
-
- spin_unlock_irqrestore(&par->lock, flags);
-
- return 0;
-}
-
-/**
- * tcx_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
-tcx_blank(int blank, struct fb_info *info)
-{
- struct tcx_par *par = (struct tcx_par *) info->par;
- struct tcx_thc __iomem *thc = par->thc;
- unsigned long flags;
- u32 val;
-
- spin_lock_irqsave(&par->lock, flags);
-
- val = sbus_readl(&thc->thc_misc);
-
- switch (blank) {
- case FB_BLANK_UNBLANK: /* Unblanking */
- val &= ~(TCX_THC_MISC_VSYNC_DIS |
- TCX_THC_MISC_HSYNC_DIS);
- val |= TCX_THC_MISC_VIDEO;
- par->flags &= ~TCX_FLAG_BLANKED;
- break;
-
- case FB_BLANK_NORMAL: /* Normal blanking */
- val &= ~TCX_THC_MISC_VIDEO;
- par->flags |= TCX_FLAG_BLANKED;
- break;
-
- case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */
- val |= TCX_THC_MISC_VSYNC_DIS;
- break;
- case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */
- val |= TCX_THC_MISC_HSYNC_DIS;
- break;
-
- case FB_BLANK_POWERDOWN: /* Poweroff */
- break;
- };
-
- sbus_writel(val, &thc->thc_misc);
-
- spin_unlock_irqrestore(&par->lock, flags);
-
- return 0;
-}
-
-static struct sbus_mmap_map __tcx_mmap_map[TCX_MMAP_ENTRIES] = {
- {
- .voff = TCX_RAM8BIT,
- .size = SBUS_MMAP_FBSIZE(1)
- },
- {
- .voff = TCX_RAM24BIT,
- .size = SBUS_MMAP_FBSIZE(4)
- },
- {
- .voff = TCX_UNK3,
- .size = SBUS_MMAP_FBSIZE(8)
- },
- {
- .voff = TCX_UNK4,
- .size = SBUS_MMAP_FBSIZE(8)
- },
- {
- .voff = TCX_CONTROLPLANE,
- .size = SBUS_MMAP_FBSIZE(4)
- },
- {
- .voff = TCX_UNK6,
- .size = SBUS_MMAP_FBSIZE(8)
- },
- {
- .voff = TCX_UNK7,
- .size = SBUS_MMAP_FBSIZE(8)
- },
- {
- .voff = TCX_TEC,
- .size = PAGE_SIZE
- },
- {
- .voff = TCX_BTREGS,
- .size = PAGE_SIZE
- },
- {
- .voff = TCX_THC,
- .size = PAGE_SIZE
- },
- {
- .voff = TCX_DHC,
- .size = PAGE_SIZE
- },
- {
- .voff = TCX_ALT,
- .size = PAGE_SIZE
- },
- {
- .voff = TCX_UNK2,
- .size = 0x20000
- },
- { .size = 0 }
-};
-
-static int tcx_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
-{
- struct tcx_par *par = (struct tcx_par *)info->par;
-
- return sbusfb_mmap_helper(par->mmap_map,
- par->physbase, par->fbsize,
- par->sdev->reg_addrs[0].which_io,
- vma);
-}
-
-static int tcx_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg, struct fb_info *info)
-{
- struct tcx_par *par = (struct tcx_par *) info->par;
-
- return sbusfb_ioctl_helper(cmd, arg, info,
- FBTYPE_TCXCOLOR,
- (par->lowdepth ? 8 : 24),
- par->fbsize);
-}
-
-/*
- * Initialisation
- */
-
-static void
-tcx_init_fix(struct fb_info *info, int linebytes)
-{
- struct tcx_par *par = (struct tcx_par *)info->par;
- const char *tcx_name;
-
- if (par->lowdepth)
- tcx_name = "TCX8";
- else
- tcx_name = "TCX24";
-
- strlcpy(info->fix.id, tcx_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_TCX;
-}
-
-struct all_info {
- struct fb_info info;
- struct tcx_par par;
- struct list_head list;
-};
-static LIST_HEAD(tcx_list);
-
-static void tcx_init_one(struct sbus_dev *sdev)
-{
- struct all_info *all;
- int linebytes, i;
-
- all = kmalloc(sizeof(*all), GFP_KERNEL);
- if (!all) {
- printk(KERN_ERR "tcx: 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.lowdepth = prom_getbool(sdev->prom_node, "tcx-8-bit");
-
- 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.tec = sbus_ioremap(&sdev->resource[7], 0,
- sizeof(struct tcx_tec), "tcx tec");
- all->par.thc = sbus_ioremap(&sdev->resource[9], 0,
- sizeof(struct tcx_thc), "tcx thc");
- all->par.bt = sbus_ioremap(&sdev->resource[8], 0,
- sizeof(struct bt_regs), "tcx dac");
- memcpy(&all->par.mmap_map, &__tcx_mmap_map, sizeof(all->par.mmap_map));
- if (!all->par.lowdepth) {
- all->par.cplane = sbus_ioremap(&sdev->resource[4], 0,
- all->par.fbsize * sizeof(u32), "tcx cplane");
- } else {
- all->par.mmap_map[1].size = SBUS_MMAP_EMPTY;
- all->par.mmap_map[4].size = SBUS_MMAP_EMPTY;
- all->par.mmap_map[5].size = SBUS_MMAP_EMPTY;
- all->par.mmap_map[6].size = SBUS_MMAP_EMPTY;
- }
-
- all->par.physbase = 0;
- for (i = 0; i < TCX_MMAP_ENTRIES; i++) {
- int j;
-
- switch (i) {
- case 10:
- j = 12;
- break;
-
- case 11: case 12:
- j = i - 1;
- break;
-
- default:
- j = i;
- break;
- };
- all->par.mmap_map[i].poff = sdev->reg_addrs[j].phys_addr;
- }
-
- all->info.flags = FBINFO_DEFAULT;
- all->info.fbops = &tcx_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[0], 0,
- all->par.fbsize, "tcx ram");
- all->info.par = &all->par;
-
- /* Initialize brooktree DAC. */
- sbus_writel(0x04 << 24, &all->par.bt->addr); /* color planes */
- sbus_writel(0xff << 24, &all->par.bt->control);
- sbus_writel(0x05 << 24, &all->par.bt->addr);
- sbus_writel(0x00 << 24, &all->par.bt->control);
- sbus_writel(0x06 << 24, &all->par.bt->addr); /* overlay plane */
- sbus_writel(0x73 << 24, &all->par.bt->control);
- sbus_writel(0x07 << 24, &all->par.bt->addr);
- sbus_writel(0x00 << 24, &all->par.bt->control);
-
- tcx_reset(&all->info);
-
- tcx_blank(0, &all->info);
-
- if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
- printk(KERN_ERR "tcx: Could not allocate color map.\n");
- kfree(all);
- return;
- }
-
- fb_set_cmap(&all->info.cmap, &all->info);
- tcx_init_fix(&all->info, linebytes);
-
- if (register_framebuffer(&all->info) < 0) {
- printk(KERN_ERR "tcx: Could not register framebuffer.\n");
- fb_dealloc_cmap(&all->info.cmap);
- kfree(all);
- return;
- }
-
- list_add(&all->list, &tcx_list);
-
- printk("tcx: %s at %lx:%lx, %s\n",
- sdev->prom_name,
- (long) sdev->reg_addrs[0].which_io,
- (long) sdev->reg_addrs[0].phys_addr,
- all->par.lowdepth ? "8-bit only" : "24-bit depth");
-}
-
-int __init tcx_init(void)
-{
- struct sbus_bus *sbus;
- struct sbus_dev *sdev;
-
- if (fb_get_options("tcxfb", NULL))
- return -ENODEV;
-
- for_all_sbusdev(sdev, sbus) {
- if (!strcmp(sdev->prom_name, "SUNW,tcx"))
- tcx_init_one(sdev);
- }
-
- return 0;
-}
-
-void __exit tcx_exit(void)
-{
- struct list_head *pos, *tmp;
-
- list_for_each_safe(pos, tmp, &tcx_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
-tcx_setup(char *arg)
-{
- /* No cmdline options yet... */
- return 0;
-}
-
-module_init(tcx_init);
-
-#ifdef MODULE
-module_exit(tcx_exit);
-#endif
-
-MODULE_DESCRIPTION("framebuffer driver for TCX chipsets");
-MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
-MODULE_LICENSE("GPL");
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