/*
- * $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
* more details.
*/
-
+
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#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,
- .width = -1,
- .vmode = FB_VMODE_NONINTERLACED,
+ .width = -1,
+ .vmode = FB_VMODE_NONINTERLACED,
};
static struct fb_fix_screeninfo hitfb_fix __initdata = {
- .id = "Hitachi HD64461",
- .type = FB_TYPE_PACKED_PIXELS,
- .ypanstep = 8,
- .accel = FB_ACCEL_NONE,
+ .id = "Hitachi HD64461",
+ .type = FB_TYPE_PACKED_PIXELS,
+ .ypanstep = 8,
+ .accel = FB_ACCEL_NONE,
};
static u32 pseudo_palette[16];
static struct fb_info fb_info;
-
-#define WIDTH 640
-
-static void hitfb_set_base(u32 offset)
-{
- fb_writew(offset>>10,HD64461_LCDCBAR);
-}
-
-static inline void hitfb_accel_wait()
+static inline void hitfb_accel_wait(void)
{
- 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)
+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(saddr&0xffff,HD64461_BBTDSARL);
- fb_writew(saddr>>16,HD64461_BBTDSARH);
+
+ fb_writew(width, HD64461_BBTDWR);
+ fb_writew(height, HD64461_BBTDHR);
+
+ 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)
+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();
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();
}
static int hitfb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info)
{
- int xoffset = var->xoffset;
- int yoffset = var->yoffset;
+ 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;
+ return 0;
}
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);
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);
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;
-
+
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:
- ((u32*)(info->pseudo_palette))[regno] =
- ((red & 0xf800) ) |
- ((green & 0xfc00) >> 5) |
- ((blue & 0xf800) >> 11);
- break;
+ 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:
+ ((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)
+static struct fb_ops hitfb_ops = {
+ .owner = THIS_MODULE,
+ .fb_setcolreg = hitfb_setcolreg,
+ .fb_blank = hitfb_blank,
+ .fb_pan_display = hitfb_pan_display,
+ .fb_fillrect = hitfb_fillrect,
+ .fb_copyarea = hitfb_copyarea,
+ .fb_imageblit = cfb_imageblit,
+ .fb_cursor = soft_cursor,
+};
+
+int __init hitfb_init(void)
{
+ unsigned short lcdclor, ldr3, ldvndr;
+ int size;
+
+ hitfb_fix.smem_start = CONFIG_HD64461_IOBASE + 0x02000000;
+ hitfb_fix.smem_len = (MACH_HP690) ? 1024 * 1024 : 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.transp.offset = 0;
hitfb_var.transp.length = 0;
break;
- case 16: /* RGB 565 */
+ case 16: /* RGB 565 */
hitfb_var.red.offset = 11;
hitfb_var.red.length = 5;
hitfb_var.green.offset = 5;
break;
}
- return 0;
-}
+ fb_info.fbops = &hitfb_ops;
+ fb_info.var = hitfb_var;
+ fb_info.fix = hitfb_fix;
+ fb_info.pseudo_palette = pseudo_palette;
+ fb_info.flags = FBINFO_FLAG_DEFAULT;
-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_fillrect = hitfb_fillrect,
- .fb_copyarea = hitfb_copyarea,
- .fb_imageblit = cfb_imageblit,
- .fb_cursor = soft_cursor,
-};
-
-int __init hitfb_init(void)
-{
- unsigned short lcdclor, ldr3, ldvndr;
- int size;
-
- hitfb_fix.smem_start = CONFIG_HD64461_IOBASE + 0x02000000;
- hitfb_fix.smem_len = (MACH_HP690) ? 1024*1024 : 512*1024;
-
- lcdclor = inw(HD64461_LCDCLOR);
- ldvndr = inw(HD64461_LDVNDR);
- ldr3 = inw(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;
- }
-
- /* 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.xres_virtual = hitfb_var.xres;
- hitfb_var.yres_virtual = hitfb_fix.smem_len/lcdclor;
-
- fb_info.fbops = &hitfb_ops;
- fb_info.var = hitfb_var;
- fb_info.fix = hitfb_fix;
- 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);
+ fb_alloc_cmap(&fb_info.cmap, size, 0);
if (register_framebuffer(&fb_info) < 0)
return -EINVAL;
-
+
printk(KERN_INFO "fb%d: %s frame buffer device\n",
- fb_info.node, fb_info.fix.id);
+ fb_info.node, fb_info.fix.id);
return 0;
}
#endif
MODULE_LICENSE("GPL");
-
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