aboutsummaryrefslogtreecommitdiff
path: root/drivers/video/hitfb.c
diff options
context:
space:
mode:
authorTomi Valkeinen <tomi.valkeinen@ti.com>2014-02-13 15:31:38 +0200
committerTomi Valkeinen <tomi.valkeinen@ti.com>2014-04-17 08:10:19 +0300
commitf7018c21350204c4cf628462f229d44d03545254 (patch)
tree408787177164cf51cc06f7aabdb04fcff8d2b6aa /drivers/video/hitfb.c
parentc26ef3eb3c11274bad1b64498d0a134f85755250 (diff)
video: move fbdev to drivers/video/fbdev
The drivers/video directory is a mess. It contains generic video related files, directories for backlight, console, linux logo, lots of fbdev device drivers, fbdev framework files. Make some order into the chaos by creating drivers/video/fbdev directory, and move all fbdev related files there. No functionality is changed, although I guess it is possible that some subtle Makefile build order related issue could be created by this patch. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Rob Clark <robdclark@gmail.com> Acked-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/video/hitfb.c')
-rw-r--r--drivers/video/hitfb.c500
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");