diff options
Diffstat (limited to 'drivers/video/hitfb.c')
| -rw-r--r-- | drivers/video/hitfb.c | 500 |
1 files changed, 0 insertions, 500 deletions
diff --git a/drivers/video/hitfb.c b/drivers/video/hitfb.c deleted file mode 100644 index a648d5186c6e..000000000000 --- a/drivers/video/hitfb.c +++ /dev/null @@ -1,500 +0,0 @@ -/* - * linux/drivers/video/hitfb.c -- Hitachi LCD frame buffer device - * - * (C) 1999 Mihai Spatar - * (C) 2000 YAEGASHI Takeshi - * (C) 2003, 2004 Paul Mundt - * (C) 2003, 2004, 2006 Andriy Skulysh - * - * 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. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/fb.h> - -#include <asm/machvec.h> -#include <asm/uaccess.h> -#include <asm/pgtable.h> -#include <asm/io.h> -#include <asm/hd64461.h> -#include <cpu/dac.h> - -#define WIDTH 640 - -static struct fb_var_screeninfo hitfb_var = { - .activate = FB_ACTIVATE_NOW, - .height = -1, - .width = -1, - .vmode = FB_VMODE_NONINTERLACED, -}; - -static struct fb_fix_screeninfo hitfb_fix = { - .id = "Hitachi HD64461", - .type = FB_TYPE_PACKED_PIXELS, - .accel = FB_ACCEL_NONE, -}; - -static inline void hitfb_accel_wait(void) -{ - while (fb_readw(HD64461_GRCFGR) & HD64461_GRCFGR_ACCSTATUS) ; -} - -static inline void hitfb_accel_start(int truecolor) -{ - if (truecolor) { - fb_writew(6, HD64461_GRCFGR); - } else { - fb_writew(7, HD64461_GRCFGR); - } -} - -static inline void hitfb_accel_set_dest(int truecolor, u16 dx, u16 dy, - u16 width, u16 height) -{ - u32 saddr = WIDTH * dy + dx; - if (truecolor) - saddr <<= 1; - - fb_writew(width-1, HD64461_BBTDWR); - fb_writew(height-1, HD64461_BBTDHR); - - fb_writew(saddr & 0xffff, HD64461_BBTDSARL); - fb_writew(saddr >> 16, HD64461_BBTDSARH); - -} - -static inline void hitfb_accel_bitblt(int truecolor, u16 sx, u16 sy, u16 dx, - u16 dy, u16 width, u16 height, u16 rop, - u32 mask_addr) -{ - u32 saddr, daddr; - u32 maddr = 0; - - height--; - width--; - fb_writew(rop, HD64461_BBTROPR); - if ((sy < dy) || ((sy == dy) && (sx <= dx))) { - saddr = WIDTH * (sy + height) + sx + width; - daddr = WIDTH * (dy + height) + dx + width; - if (mask_addr) { - if (truecolor) - maddr = ((width >> 3) + 1) * (height + 1) - 1; - else - maddr = - (((width >> 4) + 1) * (height + 1) - 1) * 2; - - fb_writew((1 << 5) | 1, HD64461_BBTMDR); - } else - fb_writew(1, HD64461_BBTMDR); - } else { - saddr = WIDTH * sy + sx; - daddr = WIDTH * dy + dx; - if (mask_addr) { - fb_writew((1 << 5), HD64461_BBTMDR); - } else { - fb_writew(0, HD64461_BBTMDR); - } - } - if (truecolor) { - saddr <<= 1; - daddr <<= 1; - } - fb_writew(width, HD64461_BBTDWR); - fb_writew(height, HD64461_BBTDHR); - fb_writew(saddr & 0xffff, HD64461_BBTSSARL); - fb_writew(saddr >> 16, HD64461_BBTSSARH); - fb_writew(daddr & 0xffff, HD64461_BBTDSARL); - fb_writew(daddr >> 16, HD64461_BBTDSARH); - if (mask_addr) { - maddr += mask_addr; - fb_writew(maddr & 0xffff, HD64461_BBTMARL); - fb_writew(maddr >> 16, HD64461_BBTMARH); - } - hitfb_accel_start(truecolor); -} - -static void hitfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect) -{ - if (rect->rop != ROP_COPY) - cfb_fillrect(p, rect); - else { - hitfb_accel_wait(); - fb_writew(0x00f0, HD64461_BBTROPR); - fb_writew(16, HD64461_BBTMDR); - - if (p->var.bits_per_pixel == 16) { - fb_writew(((u32 *) (p->pseudo_palette))[rect->color], - HD64461_GRSCR); - hitfb_accel_set_dest(1, rect->dx, rect->dy, rect->width, - rect->height); - hitfb_accel_start(1); - } else { - fb_writew(rect->color, HD64461_GRSCR); - hitfb_accel_set_dest(0, rect->dx, rect->dy, rect->width, - rect->height); - hitfb_accel_start(0); - } - } -} - -static void hitfb_copyarea(struct fb_info *p, const struct fb_copyarea *area) -{ - hitfb_accel_wait(); - hitfb_accel_bitblt(p->var.bits_per_pixel == 16, area->sx, area->sy, - area->dx, area->dy, area->width, area->height, - 0x00cc, 0); -} - -static int hitfb_pan_display(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - int xoffset = var->xoffset; - int yoffset = var->yoffset; - - if (xoffset != 0) - return -EINVAL; - - fb_writew((yoffset*info->fix.line_length)>>10, HD64461_LCDCBAR); - - return 0; -} - -int hitfb_blank(int blank_mode, struct fb_info *info) -{ - unsigned short v; - - if (blank_mode) { - v = fb_readw(HD64461_LDR1); - v &= ~HD64461_LDR1_DON; - fb_writew(v, HD64461_LDR1); - - v = fb_readw(HD64461_LCDCCR); - v |= HD64461_LCDCCR_MOFF; - fb_writew(v, HD64461_LCDCCR); - - v = fb_readw(HD64461_STBCR); - v |= HD64461_STBCR_SLCDST; - fb_writew(v, HD64461_STBCR); - } else { - v = fb_readw(HD64461_STBCR); - v &= ~HD64461_STBCR_SLCDST; - fb_writew(v, HD64461_STBCR); - - v = fb_readw(HD64461_LCDCCR); - v &= ~(HD64461_LCDCCR_MOFF | HD64461_LCDCCR_STREQ); - fb_writew(v, HD64461_LCDCCR); - - do { - v = fb_readw(HD64461_LCDCCR); - } while(v&HD64461_LCDCCR_STBACK); - - v = fb_readw(HD64461_LDR1); - v |= HD64461_LDR1_DON; - fb_writew(v, HD64461_LDR1); - } - return 0; -} - -static int hitfb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, struct fb_info *info) -{ - if (regno >= 256) - return 1; - - switch (info->var.bits_per_pixel) { - case 8: - fb_writew(regno << 8, HD64461_CPTWAR); - fb_writew(red >> 10, HD64461_CPTWDR); - fb_writew(green >> 10, HD64461_CPTWDR); - fb_writew(blue >> 10, HD64461_CPTWDR); - break; - case 16: - if (regno >= 16) - return 1; - ((u32 *) (info->pseudo_palette))[regno] = - ((red & 0xf800)) | - ((green & 0xfc00) >> 5) | ((blue & 0xf800) >> 11); - break; - } - return 0; -} - -static int hitfb_sync(struct fb_info *info) -{ - hitfb_accel_wait(); - - return 0; -} - -static int hitfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) -{ - int maxy; - - var->xres = info->var.xres; - var->xres_virtual = info->var.xres; - var->yres = info->var.yres; - - if ((var->bits_per_pixel != 8) && (var->bits_per_pixel != 16)) - var->bits_per_pixel = info->var.bits_per_pixel; - - if (var->yres_virtual < var->yres) - var->yres_virtual = var->yres; - - maxy = info->fix.smem_len / var->xres; - - if (var->bits_per_pixel == 16) - maxy /= 2; - - if (var->yres_virtual > maxy) - var->yres_virtual = maxy; - - var->xoffset = 0; - var->yoffset = 0; - - switch (var->bits_per_pixel) { - case 8: - var->red.offset = 0; - var->red.length = 8; - var->green.offset = 0; - var->green.length = 8; - var->blue.offset = 0; - var->blue.length = 8; - var->transp.offset = 0; - var->transp.length = 0; - break; - case 16: /* RGB 565 */ - var->red.offset = 11; - var->red.length = 5; - var->green.offset = 5; - var->green.length = 6; - var->blue.offset = 0; - var->blue.length = 5; - var->transp.offset = 0; - var->transp.length = 0; - break; - } - - return 0; -} - -static int hitfb_set_par(struct fb_info *info) -{ - unsigned short ldr3; - - switch (info->var.bits_per_pixel) { - case 8: - info->fix.line_length = info->var.xres; - info->fix.visual = FB_VISUAL_PSEUDOCOLOR; - info->fix.ypanstep = 16; - break; - case 16: - info->fix.line_length = info->var.xres*2; - info->fix.visual = FB_VISUAL_TRUECOLOR; - info->fix.ypanstep = 8; - break; - } - - fb_writew(info->fix.line_length, HD64461_LCDCLOR); - ldr3 = fb_readw(HD64461_LDR3); - ldr3 &= ~15; - ldr3 |= (info->var.bits_per_pixel == 8) ? 4 : 8; - fb_writew(ldr3, HD64461_LDR3); - return 0; -} - -static struct fb_ops hitfb_ops = { - .owner = THIS_MODULE, - .fb_check_var = hitfb_check_var, - .fb_set_par = hitfb_set_par, - .fb_setcolreg = hitfb_setcolreg, - .fb_blank = hitfb_blank, - .fb_sync = hitfb_sync, - .fb_pan_display = hitfb_pan_display, - .fb_fillrect = hitfb_fillrect, - .fb_copyarea = hitfb_copyarea, - .fb_imageblit = cfb_imageblit, -}; - -static int hitfb_probe(struct platform_device *dev) -{ - unsigned short lcdclor, ldr3, ldvndr; - struct fb_info *info; - int ret; - - if (fb_get_options("hitfb", NULL)) - return -ENODEV; - - hitfb_fix.mmio_start = HD64461_IO_OFFSET(0x1000); - hitfb_fix.mmio_len = 0x1000; - hitfb_fix.smem_start = HD64461_IO_OFFSET(0x02000000); - hitfb_fix.smem_len = 512 * 1024; - - lcdclor = fb_readw(HD64461_LCDCLOR); - ldvndr = fb_readw(HD64461_LDVNDR); - ldr3 = fb_readw(HD64461_LDR3); - - switch (ldr3 & 15) { - default: - case 4: - hitfb_var.bits_per_pixel = 8; - hitfb_var.xres = lcdclor; - break; - case 8: - hitfb_var.bits_per_pixel = 16; - hitfb_var.xres = lcdclor / 2; - break; - } - hitfb_fix.line_length = lcdclor; - hitfb_fix.visual = (hitfb_var.bits_per_pixel == 8) ? - FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; - hitfb_var.yres = ldvndr + 1; - hitfb_var.xres_virtual = hitfb_var.xres; - hitfb_var.yres_virtual = hitfb_fix.smem_len / lcdclor; - switch (hitfb_var.bits_per_pixel) { - case 8: - hitfb_var.red.offset = 0; - hitfb_var.red.length = 8; - hitfb_var.green.offset = 0; - hitfb_var.green.length = 8; - hitfb_var.blue.offset = 0; - hitfb_var.blue.length = 8; - hitfb_var.transp.offset = 0; - hitfb_var.transp.length = 0; - break; - case 16: /* RGB 565 */ - hitfb_var.red.offset = 11; - hitfb_var.red.length = 5; - hitfb_var.green.offset = 5; - hitfb_var.green.length = 6; - hitfb_var.blue.offset = 0; - hitfb_var.blue.length = 5; - hitfb_var.transp.offset = 0; - hitfb_var.transp.length = 0; - break; - } - - info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev); - if (unlikely(!info)) - return -ENOMEM; - - info->fbops = &hitfb_ops; - info->var = hitfb_var; - info->fix = hitfb_fix; - info->pseudo_palette = info->par; - info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN | - FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_COPYAREA; - - info->screen_base = (void *)hitfb_fix.smem_start; - - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (unlikely(ret < 0)) - goto err_fb; - - ret = register_framebuffer(info); - if (unlikely(ret < 0)) - goto err; - - platform_set_drvdata(dev, info); - - fb_info(info, "%s frame buffer device\n", info->fix.id); - - return 0; - -err: - fb_dealloc_cmap(&info->cmap); -err_fb: - framebuffer_release(info); - return ret; -} - -static int hitfb_remove(struct platform_device *dev) -{ - struct fb_info *info = platform_get_drvdata(dev); - - unregister_framebuffer(info); - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - - return 0; -} - -static int hitfb_suspend(struct device *dev) -{ - u16 v; - - hitfb_blank(1,0); - v = fb_readw(HD64461_STBCR); - v |= HD64461_STBCR_SLCKE_IST; - fb_writew(v, HD64461_STBCR); - - return 0; -} - -static int hitfb_resume(struct device *dev) -{ - u16 v; - - v = fb_readw(HD64461_STBCR); - v &= ~HD64461_STBCR_SLCKE_OST; - msleep(100); - v = fb_readw(HD64461_STBCR); - v &= ~HD64461_STBCR_SLCKE_IST; - fb_writew(v, HD64461_STBCR); - hitfb_blank(0,0); - - return 0; -} - -static const struct dev_pm_ops hitfb_dev_pm_ops = { - .suspend = hitfb_suspend, - .resume = hitfb_resume, -}; - -static struct platform_driver hitfb_driver = { - .probe = hitfb_probe, - .remove = hitfb_remove, - .driver = { - .name = "hitfb", - .owner = THIS_MODULE, - .pm = &hitfb_dev_pm_ops, - }, -}; - -static struct platform_device hitfb_device = { - .name = "hitfb", - .id = -1, -}; - -static int __init hitfb_init(void) -{ - int ret; - - ret = platform_driver_register(&hitfb_driver); - if (!ret) { - ret = platform_device_register(&hitfb_device); - if (ret) - platform_driver_unregister(&hitfb_driver); - } - return ret; -} - - -static void __exit hitfb_exit(void) -{ - platform_device_unregister(&hitfb_device); - platform_driver_unregister(&hitfb_driver); -} - -module_init(hitfb_init); -module_exit(hitfb_exit); - -MODULE_LICENSE("GPL"); |