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[PARISC] stifb: Fix framebuffer console at 32bpp 

Fix stifb framebuffer console at 32bpp on a HCRX-24 card
by properly setting DIRECTCOLOR. Also a few nice cleanups
to the code.

Signed-off-by: Helge Deller <deller@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Helge Deller 2006-01-10 20:48:04 -05:00 committed by Kyle McMartin
parent 5d6d1640a2
commit daaeb6f8d3
1 changed files with 23 additions and 21 deletions
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44
drivers/video/stifb.c
View File

@ -3,7 +3,7 @@
* Low level Frame buffer driver for HP workstations with
* STI (standard text interface) video firmware.
*
* Copyright (C) 2001-2004 Helge Deller <deller@gmx.de>
* Copyright (C) 2001-2005 Helge Deller <deller@gmx.de>
* Portions Copyright (C) 2001 Thomas Bogendoerfer <tsbogend@alpha.franken.de>
*
* Based on:
@ -78,6 +78,8 @@
#define NGLEDEVDEPROM_CRT_REGION 1
#define NR_PALETTE 256
typedef struct {
__s32 video_config_reg;
__s32 misc_video_start;
@ -107,7 +109,7 @@ struct stifb_info {
ngle_rom_t ngle_rom;
struct sti_struct *sti;
int deviceSpecificConfig;
u32 pseudo_palette[256];
u32 pseudo_palette[16];
};
static int __initdata stifb_bpp_pref[MAX_STI_ROMS];
@ -347,10 +349,10 @@ ARTIST_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable)
#define IS_888_DEVICE(fb) \
(!(IS_24_DEVICE(fb)))
#define GET_FIFO_SLOTS(fb, cnt, numslots) \
{ while (cnt < numslots) \
#define GET_FIFO_SLOTS(fb, cnt, numslots) \
{ while (cnt < numslots) \
cnt = READ_WORD(fb, REG_34); \
cnt -= numslots; \
cnt -= numslots; \
}
#define IndexedDcd 0 /* Pixel data is indexed (pseudo) color */
@ -990,7 +992,7 @@ stifb_setcolreg(u_int regno, u_int red, u_int green,
struct stifb_info *fb = (struct stifb_info *) info;
u32 color;
if (regno >= 256) /* no. of hw registers */
if (regno >= NR_PALETTE)
return 1;
red >>= 8;
@ -1000,8 +1002,8 @@ stifb_setcolreg(u_int regno, u_int red, u_int green,
DEBUG_OFF();
START_IMAGE_COLORMAP_ACCESS(fb);
if (fb->info.var.grayscale) {
if (unlikely(fb->info.var.grayscale)) {
/* gray = 0.30*R + 0.59*G + 0.11*B */
color = ((red * 77) +
(green * 151) +
@ -1012,17 +1014,17 @@ stifb_setcolreg(u_int regno, u_int red, u_int green,
(blue));
}
if (info->var.bits_per_pixel == 32) {
((u32 *)(info->pseudo_palette))[regno] =
(red << info->var.red.offset) |
(green << info->var.green.offset) |
(blue << info->var.blue.offset);
} else {
((u32 *)(info->pseudo_palette))[regno] = regno;
if (fb->info.fix.visual == FB_VISUAL_DIRECTCOLOR) {
struct fb_var_screeninfo *var = &fb->info.var;
if (regno < 16)
((u32 *)fb->info.pseudo_palette)[regno] =
regno << var->red.offset |
regno << var->green.offset |
regno << var->blue.offset;
}
WRITE_IMAGE_COLOR(fb, regno, color);
if (fb->id == S9000_ID_HCRX) {
NgleLutBltCtl lutBltCtl;
@ -1061,9 +1063,9 @@ stifb_blank(int blank_mode, struct fb_info *info)
case S9000_ID_HCRX:
HYPER_ENABLE_DISABLE_DISPLAY(fb, enable);
break;
case S9000_ID_A1659A:; /* fall through */
case S9000_ID_TIMBER:;
case CRX24_OVERLAY_PLANES:;
case S9000_ID_A1659A: /* fall through */
case S9000_ID_TIMBER:
case CRX24_OVERLAY_PLANES:
default:
ENABLE_DISABLE_DISPLAY(fb, enable);
break;
@ -1308,7 +1310,7 @@ stifb_init_fb(struct sti_struct *sti, int bpp_pref)
break;
case 32:
fix->type = FB_TYPE_PACKED_PIXELS;
fix->visual = FB_VISUAL_TRUECOLOR;
fix->visual = FB_VISUAL_DIRECTCOLOR;
var->red.length = var->green.length = var->blue.length = var->transp.length = 8;
var->blue.offset = 0;
var->green.offset = 8;
@ -1330,7 +1332,7 @@ stifb_init_fb(struct sti_struct *sti, int bpp_pref)
info->pseudo_palette = &fb->pseudo_palette;
/* This has to been done !!! */
fb_alloc_cmap(&info->cmap, 256, 0);
fb_alloc_cmap(&info->cmap, NR_PALETTE, 0);
stifb_init_display(fb);
if (!request_mem_region(fix->smem_start, fix->smem_len, "stifb fb")) {