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path: root/drivers/video/tx3912fb.c
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Diffstat (limited to 'drivers/video/tx3912fb.c')
-rw-r--r--drivers/video/tx3912fb.c326
1 files changed, 0 insertions, 326 deletions
diff --git a/drivers/video/tx3912fb.c b/drivers/video/tx3912fb.c
deleted file mode 100644
index 07389ba01eff..000000000000
--- a/drivers/video/tx3912fb.c
+++ /dev/null
@@ -1,326 +0,0 @@
-/*
- * drivers/video/tx3912fb.c
- *
- * Copyright (C) 1999 Harald Koerfgen
- * Copyright (C) 2001 Steven Hill (sjhill@realitydiluted.com)
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive for
- * more details.
- *
- * Framebuffer for LCD controller in TMPR3912/05 and PR31700 processors
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/pm.h>
-#include <linux/fb.h>
-#include <asm/io.h>
-#include <asm/bootinfo.h>
-#include <asm/uaccess.h>
-#include <asm/tx3912.h>
-#include <video/tx3912.h>
-
-/*
- * Frame buffer, palette and console structures
- */
-static struct fb_info fb_info;
-static u32 cfb8[16];
-
-static struct fb_fix_screeninfo tx3912fb_fix __initdata = {
- .id = "tx3912fb",
- .smem_len = ((240 * 320)/2),
- .type = FB_TYPE_PACKED_PIXELS,
- .visual = FB_VISUAL_TRUECOLOR,
- .xpanstep = 1,
- .ypanstep = 1,
- .ywrapstep = 1,
- .accel = FB_ACCEL_NONE,
-};
-
-static struct fb_var_screeninfo tx3912fb_var = {
- .xres = 240,
- .yres = 320,
- .xres_virtual = 240,
- .yres_virtual = 320,
- .bits_per_pixel =4,
- .red = { 0, 4, 0 }, /* ??? */
- .green = { 0, 4, 0 },
- .blue = { 0, 4, 0 },
- .activate = FB_ACTIVATE_NOW,
- .width = -1,
- .height = -1,
- .pixclock = 20000,
- .left_margin = 64,
- .right_margin = 64,
- .upper_margin = 32,
- .lower_margin = 32,
- .hsync_len = 64,
- .vsync_len = 2,
- .vmode = FB_VMODE_NONINTERLACED,
-};
-
-/*
- * Interface used by the world
- */
-int tx3912fb_init(void);
-
-static int tx3912fb_setcolreg(u_int regno, u_int red, u_int green,
- u_int blue, u_int transp,
- struct fb_info *info);
-
-/*
- * Macros
- */
-#define get_line_length(xres_virtual, bpp) \
- (u_long) (((int) xres_virtual * (int) bpp + 7) >> 3)
-
-/*
- * Frame buffer operations structure used by console driver
- */
-static struct fb_ops tx3912fb_ops = {
- .owner = THIS_MODULE,
- .fb_setcolreg = tx3912fb_setcolreg,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
-};
-
-static int tx3912fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
-{
- /*
- * Memory limit
- */
- line_length =
- get_line_length(var->xres_virtual, var->bits_per_pixel);
- if ((line_length * var->yres_virtual) > info->fix.smem_len)
- return -ENOMEM;
-
- return 0;
-}
-
-static int tx3912fb_set_par(struct fb_info *info)
-{
- u_long tx3912fb_paddr = 0;
-
- /* Disable the video logic */
- outl(inl(TX3912_VIDEO_CTRL1) &
- ~(TX3912_VIDEO_CTRL1_ENVID | TX3912_VIDEO_CTRL1_DISPON),
- TX3912_VIDEO_CTRL1);
- udelay(200);
-
- /* Set start address for DMA transfer */
- outl(tx3912fb_paddr, TX3912_VIDEO_CTRL3);
-
- /* Set end address for DMA transfer */
- outl((tx3912fb_paddr + tx3912fb_fix.smem_len + 1), TX3912_VIDEO_CTRL4);
-
- /* Set the pixel depth */
- switch (info->var.bits_per_pixel) {
- case 1:
- /* Monochrome */
- outl(inl(TX3912_VIDEO_CTRL1) &
- ~TX3912_VIDEO_CTRL1_BITSEL_MASK, TX3912_VIDEO_CTRL1);
- info->fix.visual = FB_VISUAL_MONO10;
- break;
- case 4:
- /* 4-bit gray */
- outl(inl(TX3912_VIDEO_CTRL1) &
- ~TX3912_VIDEO_CTRL1_BITSEL_MASK, TX3912_VIDEO_CTRL1);
- outl(inl(TX3912_VIDEO_CTRL1) |
- TX3912_VIDEO_CTRL1_BITSEL_4BIT_GRAY,
- TX3912_VIDEO_CTRL1);
- info->fix.visual = FB_VISUAL_TRUECOLOR;
- break;
- case 8:
- /* 8-bit color */
- outl(inl(TX3912_VIDEO_CTRL1) &
- ~TX3912_VIDEO_CTRL1_BITSEL_MASK, TX3912_VIDEO_CTRL1);
- outl(inl(TX3912_VIDEO_CTRL1) |
- TX3912_VIDEO_CTRL1_BITSEL_8BIT_COLOR,
- TX3912_VIDEO_CTRL1);
- info->fix.visual = FB_VISUAL_TRUECOLOR;
- break;
- case 2:
- default:
- /* 2-bit gray */
- outl(inl(TX3912_VIDEO_CTRL1) &
- ~TX3912_VIDEO_CTRL1_BITSEL_MASK, TX3912_VIDEO_CTRL1);
- outl(inl(TX3912_VIDEO_CTRL1) |
- TX3912_VIDEO_CTRL1_BITSEL_2BIT_GRAY,
- TX3912_VIDEO_CTRL1);
- info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
- break;
- }
-
- /* Enable the video clock */
- outl(inl(TX3912_CLK_CTRL) | TX3912_CLK_CTRL_ENVIDCLK,
- TX3912_CLK_CTRL);
-
- /* Unfreeze video logic and enable DF toggle */
- outl(inl(TX3912_VIDEO_CTRL1) &
- ~(TX3912_VIDEO_CTRL1_ENFREEZEFRAME |
- TX3912_VIDEO_CTRL1_DFMODE)
- , TX3912_VIDEO_CTRL1);
- udelay(200);
-
- /* Enable the video logic */
- outl(inl(TX3912_VIDEO_CTRL1) |
- (TX3912_VIDEO_CTRL1_ENVID | TX3912_VIDEO_CTRL1_DISPON),
- TX3912_VIDEO_CTRL1);
-
- info->fix.line_length = get_line_length(var->xres_virtual,
- var->bits_per_pixel);
-}
-
-/*
- * Set a single color register
- */
-static int tx3912fb_setcolreg(u_int regno, u_int red, u_int green,
- u_int blue, u_int transp,
- struct fb_info *info)
-{
- if (regno > 255)
- return 1;
-
- if (regno < 16)
- ((u32 *)(info->pseudo_palette))[regno] = ((red & 0xe000) >> 8)
- | ((green & 0xe000) >> 11)
- | ((blue & 0xc000) >> 14);
- return 0;
-}
-
-int __init tx3912fb_setup(char *options);
-
-/*
- * Initialization of the framebuffer
- */
-int __init tx3912fb_init(void)
-{
- u_long tx3912fb_paddr = 0;
- int size = (info->var.bits_per_pixel == 8) ? 256 : 16;
- char *option = NULL;
-
- if (fb_get_options("tx3912fb", &option))
- return -ENODEV;
- tx3912fb_setup(option);
-
- /* Disable the video logic */
- outl(inl(TX3912_VIDEO_CTRL1) &
- ~(TX3912_VIDEO_CTRL1_ENVID | TX3912_VIDEO_CTRL1_DISPON),
- TX3912_VIDEO_CTRL1);
- udelay(200);
-
- /* Set start address for DMA transfer */
- outl(tx3912fb_paddr, TX3912_VIDEO_CTRL3);
-
- /* Set end address for DMA transfer */
- outl((tx3912fb_paddr + tx3912fb_fix.smem_len + 1), TX3912_VIDEO_CTRL4);
-
- /* Set the pixel depth */
- switch (tx3912fb_var.bits_per_pixel) {
- case 1:
- /* Monochrome */
- outl(inl(TX3912_VIDEO_CTRL1) &
- ~TX3912_VIDEO_CTRL1_BITSEL_MASK, TX3912_VIDEO_CTRL1);
- tx3912fb_fix.visual = FB_VISUAL_MONO10;
- break;
- case 4:
- /* 4-bit gray */
- outl(inl(TX3912_VIDEO_CTRL1) &
- ~TX3912_VIDEO_CTRL1_BITSEL_MASK, TX3912_VIDEO_CTRL1);
- outl(inl(TX3912_VIDEO_CTRL1) |
- TX3912_VIDEO_CTRL1_BITSEL_4BIT_GRAY,
- TX3912_VIDEO_CTRL1);
- tx3912fb_fix.visual = FB_VISUAL_TRUECOLOR;
- tx3912fb_fix.grayscale = 1;
- break;
- case 8:
- /* 8-bit color */
- outl(inl(TX3912_VIDEO_CTRL1) &
- ~TX3912_VIDEO_CTRL1_BITSEL_MASK, TX3912_VIDEO_CTRL1);
- outl(inl(TX3912_VIDEO_CTRL1) |
- TX3912_VIDEO_CTRL1_BITSEL_8BIT_COLOR,
- TX3912_VIDEO_CTRL1);
- tx3912fb_fix.visual = FB_VISUAL_TRUECOLOR;
- break;
- case 2:
- default:
- /* 2-bit gray */
- outl(inl(TX3912_VIDEO_CTRL1) &
- ~TX3912_VIDEO_CTRL1_BITSEL_MASK, TX3912_VIDEO_CTRL1);
- outl(inl(TX3912_VIDEO_CTRL1) |
- TX3912_VIDEO_CTRL1_BITSEL_2BIT_GRAY,
- TX3912_VIDEO_CTRL1);
- tx3912fb_fix.visual = FB_VISUAL_PSEUDOCOLOR;
- tx3912fb_fix.grayscale = 1;
- break;
- }
-
- /* Enable the video clock */
- outl(inl(TX3912_CLK_CTRL) | TX3912_CLK_CTRL_ENVIDCLK,
- TX3912_CLK_CTRL);
-
- /* Unfreeze video logic and enable DF toggle */
- outl(inl(TX3912_VIDEO_CTRL1) &
- ~(TX3912_VIDEO_CTRL1_ENFREEZEFRAME | TX3912_VIDEO_CTRL1_DFMODE),
- TX3912_VIDEO_CTRL1);
- udelay(200);
-
- /* Clear the framebuffer */
- memset((void *) tx3912fb_fix.smem_start, 0xff, tx3912fb_fix.smem_len);
- udelay(200);
-
- /* Enable the video logic */
- outl(inl(TX3912_VIDEO_CTRL1) |
- (TX3912_VIDEO_CTRL1_ENVID | TX3912_VIDEO_CTRL1_DISPON),
- TX3912_VIDEO_CTRL1);
-
- /*
- * Memory limit
- */
- tx3912fb_fix.line_length =
- get_line_length(tx3912fb_var.xres_virtual, tx3912fb_var.bits_per_pixel);
- if ((tx3912fb_fix.line_length * tx3912fb_var.yres_virtual) > tx3912fb_fix.smem_len)
- return -ENOMEM;
-
- fb_info.fbops = &tx3912fb_ops;
- fb_info.var = tx3912fb_var;
- fb_info.fix = tx3912fb_fix;
- fb_info.pseudo_palette = pseudo_palette;
- fb_info.flags = FBINFO_DEFAULT;
-
- /* Clear the framebuffer */
- memset((void *) fb_info.fix.smem_start, 0xff, fb_info.fix.smem_len);
- udelay(200);
-
- fb_alloc_cmap(&info->cmap, size, 0);
-
- if (register_framebuffer(&fb_info) < 0)
- return -1;
-
- printk(KERN_INFO "fb%d: TX3912 frame buffer using %uKB.\n",
- fb_info.node, (u_int) (fb_info.fix.smem_len >> 10));
- return 0;
-}
-
-int __init tx3912fb_setup(char *options)
-{
- char *this_opt;
-
- if (!options || !*options)
- return 0;
-
- while ((this_opt = strsep(&options, ","))) {
- if (!strncmp(options, "bpp:", 4))
- tx3912fb_var.bits_per_pixel = simple_strtoul(options+4, NULL, 0);
- }
- return 0;
-}
-
-module_init(tx3912fb_init);
-MODULE_LICENSE("GPL");
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