Commit 7cb3c483 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[PATCH] sh: sh-specific framebuffer updates

From: Paul Mundt <lethal@linux-sh.org>

This includes sh-specific framebuffer updates, including updates to hitfb and
pvr2fb, as well as adding sh to the pgprot_writecombine() users in fb_mmap().
parent ddb9a23b
......@@ -1181,11 +1181,9 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
#elif defined(__mips__)
pgprot_val(vma->vm_page_prot) &= ~_CACHE_MASK;
pgprot_val(vma->vm_page_prot) |= _CACHE_UNCACHED;
#elif defined(__sh__)
pgprot_val(vma->vm_page_prot) &= ~_PAGE_CACHABLE;
#elif defined(__hppa__)
pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
#elif defined(__ia64__) || defined(__arm__)
#elif defined(__ia64__) || defined(__arm__) || defined(__sh__)
vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
#else
#warning What do we have to do here??
......
/*
* $Id: hitfb.c,v 1.10 2004/02/01 19:46:04 lethal Exp $
* $Id: hitfb.c,v 1.12 2004/03/16 00:07:51 lethal Exp $
* 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 Andriy Skulysh
* (C) 2003, 2004 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
......@@ -30,6 +30,13 @@
#include <asm/io.h>
#include <asm/hd64461/hd64461.h>
#ifdef MACH_HP600
#include <asm/cpu/dac.h>
#include <asm/hp6xx/hp6xx.h>
#endif
#define WIDTH 640
static struct fb_var_screeninfo hitfb_var __initdata = {
.activate = FB_ACTIVATE_NOW,
.height = -1,
......@@ -47,122 +54,113 @@ static struct fb_fix_screeninfo hitfb_fix __initdata = {
static u32 pseudo_palette[16];
static struct fb_info fb_info;
#define WIDTH 640
static void hitfb_set_base(u32 offset)
static inline void hitfb_accel_wait(void)
{
fb_writew(offset>>10,HD64461_LCDCBAR);
}
static inline void hitfb_accel_wait()
{
while (fb_readw(HD64461_GRCFGR) & HD64461_GRCFGR_ACCSTATUS)
;
while (fb_readw(HD64461_GRCFGR) & HD64461_GRCFGR_ACCSTATUS) ;
}
static inline void hitfb_accel_start(int truecolor)
{
if (truecolor) {
fb_writew(6,HD64461_GRCFGR);
fb_writew(6, HD64461_GRCFGR);
} else {
fb_writew(7,HD64461_GRCFGR);
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;
u32 saddr = WIDTH * dy + dx;
if (truecolor)
saddr <<= 1;
fb_writew(width,HD64461_BBTDWR);
fb_writew(height,HD64461_BBTDHR);
fb_writew(width, HD64461_BBTDWR);
fb_writew(height, HD64461_BBTDHR);
fb_writew(saddr & 0xffff, HD64461_BBTDSARL);
fb_writew(saddr >> 16, HD64461_BBTDSARH);
fb_writew(saddr&0xffff,HD64461_BBTDSARL);
fb_writew(saddr>>16,HD64461_BBTDSARH);
}
static inline void hitfb_accel_solidfill(int truecolor, u16 dx, u16 dy,
u16 width, u16 height, u16 color)
{
hitfb_accel_set_dest(truecolor,dx,dy,width,height);
hitfb_accel_set_dest(truecolor, dx, dy, width, height);
fb_writew(0x00f0,HD64461_BBTROPR);
fb_writew(16,HD64461_BBTMDR);
fb_writew(color,HD64461_GRSCR);
fb_writew(0x00f0, HD64461_BBTROPR);
fb_writew(16, HD64461_BBTMDR);
fb_writew(color, HD64461_GRSCR);
hitfb_accel_start(truecolor);
}
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)
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;
fb_writew(rop,HD64461_BBTROPR);
if((sy<dy)||((sy==dy)&&(sx<=dx))) {
saddr=WIDTH*(sy+height)+sx+width;
daddr=WIDTH*(dy+height)+dx+width;
u32 saddr, daddr;
u32 maddr = 0;
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);
}
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;
saddr = WIDTH * sy + sx;
daddr = WIDTH * dy + dx;
if (mask_addr) {
fb_writew((1<<5),HD64461_BBTMDR);
fb_writew((1 << 5), HD64461_BBTMDR);
} else {
outw(0,HD64461_BBTMDR);
fb_writew(0, HD64461_BBTMDR);
}
}
if (truecolor) {
saddr<<=1;
daddr<<=1;
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);
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);
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 {
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);
if (rect->rop != ROP_COPY)
cfb_fillrect(p, rect);
else {
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_set_dest(0, rect->dx, rect->dy, rect->width,
rect->height);
hitfb_accel_start(0);
}
hitfb_accel_wait();
......@@ -171,8 +169,9 @@ static void hitfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
static void hitfb_copyarea(struct fb_info *p, const struct fb_copyarea *area)
{
hitfb_accel_bitblt(p->var.bits_per_pixel==16,area->sx,area->sy,
area->dx,area->dy,area->width,area->height,0x00cc,0);
hitfb_accel_bitblt(p->var.bits_per_pixel == 16, area->sx, area->sy,
area->dx, area->dy, area->width, area->height,
0x00cc, 0);
hitfb_accel_wait();
}
......@@ -182,10 +181,10 @@ static int hitfb_pan_display(struct fb_var_screeninfo *var,
int xoffset = var->xoffset;
int yoffset = var->yoffset;
if (xoffset!=0)
if (xoffset != 0)
return -EINVAL;
hitfb_set_base(yoffset*2*640);
fb_writew(yoffset, HD64461_LCDCBAR);
return 0;
}
......@@ -195,6 +194,12 @@ int hitfb_blank(int blank_mode, struct fb_info *info)
unsigned short v;
if (blank_mode) {
#ifdef MACH_HP600
sh_dac_disable(DAC_LCD_BRIGHTNESS);
v = fb_readw(HD64461_GPBDR);
v |= HD64461_GPBDR_LCDOFF;
fb_writew(v, HD64461_GPBDR);
#endif
v = fb_readw(HD64461_LDR1);
v &= ~HD64461_LDR1_DON;
fb_writew(v, HD64461_LDR1);
......@@ -210,7 +215,12 @@ int hitfb_blank(int blank_mode, struct fb_info *info)
v = fb_readw(HD64461_STBCR);
v &= ~HD64461_STBCR_SLCDST;
fb_writew(v, HD64461_STBCR);
#ifdef MACH_HP600
sh_dac_enable(DAC_LCD_BRIGHTNESS);
v = fb_readw(HD64461_GPBDR);
v &= ~HD64461_GPBDR_LCDOFF;
fb_writew(v, HD64461_GPBDR);
#endif
v = fb_readw(HD64461_LDR1);
v |= HD64461_LDR1_DON;
fb_writew(v, HD64461_LDR1);
......@@ -219,13 +229,11 @@ int hitfb_blank(int blank_mode, struct fb_info *info)
v &= ~HD64461_LCDCCR_MOFF;
fb_writew(v, HD64461_LCDCCR);
}
return 0;
}
static int hitfb_setcolreg(unsigned regno, unsigned red, unsigned green,
unsigned blue, unsigned transp,
struct fb_info *info)
unsigned blue, unsigned transp, struct fb_info *info)
{
if (regno >= info->cmap.len)
return 1;
......@@ -238,50 +246,19 @@ static int hitfb_setcolreg(unsigned regno, unsigned red, unsigned green,
fb_writew(blue >> 10, HD64461_CPTWDR);
break;
case 16:
((u32*)(info->pseudo_palette))[regno] =
((red & 0xf800) ) |
((green & 0xfc00) >> 5) |
((blue & 0xf800) >> 11);
((u32 *) (info->pseudo_palette))[regno] =
((red & 0xf800)) |
((green & 0xfc00) >> 5) | ((blue & 0xf800) >> 11);
break;
}
return 0;
}
static int hitfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
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;
}
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_pan_display = hitfb_pan_display,
.fb_blank = hitfb_blank,
.fb_pan_display = hitfb_pan_display,
.fb_fillrect = hitfb_fillrect,
.fb_copyarea = hitfb_copyarea,
.fb_imageblit = cfb_imageblit,
......@@ -294,13 +271,13 @@ int __init hitfb_init(void)
int size;
hitfb_fix.smem_start = CONFIG_HD64461_IOBASE + 0x02000000;
hitfb_fix.smem_len = (MACH_HP690) ? 1024*1024 : 512*1024;
hitfb_fix.smem_len = (MACH_HP690) ? 1024 * 1024 : 512 * 1024;
lcdclor = inw(HD64461_LCDCLOR);
ldvndr = inw(HD64461_LDVNDR);
ldr3 = inw(HD64461_LDR3);
lcdclor = fb_readw(HD64461_LCDCLOR);
ldvndr = fb_readw(HD64461_LDVNDR);
ldr3 = fb_readw(HD64461_LDR3);
switch (ldr3&15) {
switch (ldr3 & 15) {
default:
case 4:
hitfb_var.bits_per_pixel = 8;
......@@ -308,17 +285,37 @@ int __init hitfb_init(void)
break;
case 8:
hitfb_var.bits_per_pixel = 16;
hitfb_var.xres = lcdclor/2;
hitfb_var.xres = lcdclor / 2;
break;
}
/* XXX: Most of this should go into hitfb_set_par().. --PFM. */
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.yres = ldvndr + 1;
hitfb_var.xres_virtual = hitfb_var.xres;
hitfb_var.yres_virtual = hitfb_fix.smem_len/lcdclor;
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;
}
fb_info.fbops = &hitfb_ops;
fb_info.var = hitfb_var;
......@@ -326,7 +323,7 @@ int __init hitfb_init(void)
fb_info.pseudo_palette = pseudo_palette;
fb_info.flags = FBINFO_FLAG_DEFAULT;
fb_info.screen_base = (void *) hitfb_fix.smem_start;
fb_info.screen_base = (void *)hitfb_fix.smem_start;
size = (fb_info.var.bits_per_pixel == 8) ? 256 : 16;
fb_alloc_cmap(&fb_info.cmap, size, 0);
......@@ -350,4 +347,3 @@ module_exit(hitfb_exit);
#endif
MODULE_LICENSE("GPL");
......@@ -338,6 +338,7 @@ static int pvr2fb_setcolreg(unsigned int regno, unsigned int red,
((blue & 0xf800) >> 11);
pvr2fb_set_pal_entry(par, regno, tmp);
((u16*)(info->pseudo_palette))[regno] = tmp;
break;
case 24: /* RGB 888 */
red >>= 8; green >>= 8; blue >>= 8;
......@@ -348,6 +349,7 @@ static int pvr2fb_setcolreg(unsigned int regno, unsigned int red,
tmp = (transp << 24) | (red << 16) | (green << 8) | blue;
pvr2fb_set_pal_entry(par, regno, tmp);
((u32*)(info->pseudo_palette))[regno] = tmp;
break;
default:
pr_debug("Invalid bit depth %d?!?\n", info->var.bits_per_pixel);
......
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