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Commit e4acd10a authored by James Simmons's avatar James Simmons
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Fix for m68k. They need the struct font_desc super early in the boot process.

parent 74f1c712
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Showing with 876 additions and 968 deletions
arch/m68k/kernel/head.S
View file @ e4acd10a
......@@ -21,7 +21,7 @@
** 96/04/26 Guenther Kelleter: fixed identity mapping for Falcon with
** Magnum- and FX-alternate ram
** 98/04/25 Phil Blundell: added HP300 support
** 1998/08/30 David Kilzer: Added support for fbcon_font_desc structures
** 1998/08/30 David Kilzer: Added support for font_desc structures
** for linux-2.1.115
** 9/02/11 Richard Zidlicky: added Q40 support (initial vesion 99/01/01)
**
......@@ -238,7 +238,7 @@
* In theory these could be determined at run time or handed
* over by the booter. But, let's be real, it's a fine hard
* coded value. (But, you will notice the code is run-time
* flexible!) A pointer to the font's struct fbcon_font_desc
* flexible!) A pointer to the font's struct font_desc
* is kept locally in Lconsole_font. It is used to determine
* font size information dynamically.
*
......@@ -3371,7 +3371,7 @@ console_clear_loop:
* a1 = address of Lconsole_font pointer
*/
lea %pc@(L(console_font)),%a1
movel %a0,%a1@ /* store pointer to struct fbcon_font_desc in Lconsole_font */
movel %a0,%a1@ /* store pointer to struct font_desc in Lconsole_font */
tstl %a0
jeq 1f
......@@ -3383,10 +3383,10 @@ console_clear_loop:
*/
/* ASSERT: a0 = contents of Lconsole_font */
movel %d3,%d0 /* screen width in pixels */
divul %a0@(FBCON_FONT_DESC_WIDTH),%d0 /* d0 = max num chars per row */
divul %a0@(FONT_DESC_WIDTH),%d0 /* d0 = max num chars per row */
movel %d4,%d1 /* screen height in pixels */
divul %a0@(FBCON_FONT_DESC_HEIGHT),%d1 /* d1 = max num rows */
divul %a0@(FONT_DESC_HEIGHT),%d1 /* d1 = max num rows */
movel %d0,%a2@(Lconsole_struct_num_columns)
movel %d1,%a2@(Lconsole_struct_num_rows)
......@@ -3489,7 +3489,7 @@ console_scroll:
movel %pc@(L(console_font)),%a0
tstl %a0
jeq 1f
mulul %a0@(FBCON_FONT_DESC_HEIGHT),%d5 /* account for # scan lines per character */
mulul %a0@(FONT_DESC_HEIGHT),%d5 /* account for # scan lines per character */
addal %d5,%a2
/*
......@@ -3508,7 +3508,7 @@ console_scroll:
lea %pc@(L(mac_rowbytes)),%a0
movel %a0@,%d6
movel %pc@(L(console_font)),%a0
subl %a0@(FBCON_FONT_DESC_HEIGHT),%d4 /* we're not scrolling the top row! */
subl %a0@(FONT_DESC_HEIGHT),%d4 /* we're not scrolling the top row! */
mulul %d4,%d6 /* scan line bytes x num scan lines */
divul #32,%d6 /* we'll move 8 longs at a time */
subq #1,%d6
......@@ -3527,7 +3527,7 @@ console_scroll_loop:
lea %pc@(L(mac_rowbytes)),%a0
movel %a0@,%d6
movel %pc@(L(console_font)),%a0
mulul %a0@(FBCON_FONT_DESC_HEIGHT),%d6 /* scan line bytes x font height */
mulul %a0@(FONT_DESC_HEIGHT),%d6 /* scan line bytes x font height */
divul #32,%d6 /* we'll move 8 words at a time */
subq #1,%d6
......@@ -3612,13 +3612,13 @@ console_not_home:
/*
* At this point we make a shift in register usage
* a0 = address of pointer to font data (fbcon_font_desc)
* a0 = address of pointer to font data (font_desc)
*/
movel %pc@(L(console_font)),%a0
movel %a0@(FBCON_FONT_DESC_DATA),%a1 /* Load fbcon_font_desc.data into a1 */
movel %a0@(FONT_DESC_DATA),%a1 /* Load font_desc.data into a1 */
andl #0x000000ff,%d7
/* ASSERT: a0 = contents of Lconsole_font */
mulul %a0@(FBCON_FONT_DESC_HEIGHT),%d7 /* d7 = index into font data */
mulul %a0@(FONT_DESC_HEIGHT),%d7 /* d7 = index into font data */
addl %d7,%a1 /* a1 = points to char image */
/*
......@@ -3631,15 +3631,15 @@ console_not_home:
* d7 = count down for the font's pixel count in height
*/
/* ASSERT: a0 = contents of Lconsole_font */
mulul %a0@(FBCON_FONT_DESC_WIDTH),%d0
mulul %a0@(FBCON_FONT_DESC_HEIGHT),%d1
movel %a0@(FBCON_FONT_DESC_HEIGHT),%d7 /* Load fbcon_font_desc.height into d7 */
mulul %a0@(FONT_DESC_WIDTH),%d0
mulul %a0@(FONT_DESC_HEIGHT),%d1
movel %a0@(FONT_DESC_HEIGHT),%d7 /* Load font_desc.height into d7 */
subq #1,%d7
console_read_char_scanline:
moveb %a1@+,%d3
/* ASSERT: a0 = contents of Lconsole_font */
movel %a0@(FBCON_FONT_DESC_WIDTH),%d6 /* Load fbcon_font_desc.width into d6 */
movel %a0@(FONT_DESC_WIDTH),%d6 /* Load font_desc.width into d6 */
subql #1,%d6
console_do_font_scanline:
......@@ -3650,7 +3650,7 @@ console_do_font_scanline:
dbra %d6,console_do_font_scanline
/* ASSERT: a0 = contents of Lconsole_font */
subl %a0@(FBCON_FONT_DESC_WIDTH),%d0
subl %a0@(FONT_DESC_WIDTH),%d0
addq #1,%d1
dbra %d7,console_read_char_scanline
......@@ -3848,7 +3848,7 @@ L(console_globals):
.long 0 /* left edge */
.long 0 /* mac putc */
L(console_font):
.long 0 /* pointer to console font (struct fbcon_font_desc) */
.long 0 /* pointer to console font (struct font_desc) */
#endif /* CONSOLE */
#if defined(MMU_PRINT)
......
arch/m68k/kernel/m68k_defs.c
View file @ e4acd10a
......@@ -11,10 +11,10 @@
#include <linux/stddef.h>
#include <linux/sched.h>
#include <linux/kernel_stat.h>
#include <linux/font.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/amigahw.h>
#include <video/font.h>
#define DEFINE(sym, val) \
asm volatile("\n#define " #sym " %c0" : : "i" (val))
......@@ -78,13 +78,13 @@ int main(void)
DEFINE(BIR_SIZE, offsetof(struct bi_record, size));
DEFINE(BIR_DATA, offsetof(struct bi_record, data));
/* offsets into fbcon_font_desc (video/font.h) */
DEFINE(FBCON_FONT_DESC_IDX, offsetof(struct fbcon_font_desc, idx));
DEFINE(FBCON_FONT_DESC_NAME, offsetof(struct fbcon_font_desc, name));
DEFINE(FBCON_FONT_DESC_WIDTH, offsetof(struct fbcon_font_desc, width));
DEFINE(FBCON_FONT_DESC_HEIGHT, offsetof(struct fbcon_font_desc, height));
DEFINE(FBCON_FONT_DESC_DATA, offsetof(struct fbcon_font_desc, data));
DEFINE(FBCON_FONT_DESC_PREF, offsetof(struct fbcon_font_desc, pref));
/* offsets into font_desc (linux/font.h) */
DEFINE(FONT_DESC_IDX, offsetof(struct font_desc, idx));
DEFINE(FONT_DESC_NAME, offsetof(struct font_desc, name));
DEFINE(FONT_DESC_WIDTH, offsetof(struct font_desc, width));
DEFINE(FONT_DESC_HEIGHT, offsetof(struct font_desc, height));
DEFINE(FONT_DESC_DATA, offsetof(struct font_desc, data));
DEFINE(FONT_DESC_PREF, offsetof(struct font_desc, pref));
/* signal defines */
DEFINE(SIGSEGV, SIGSEGV);
......
drivers/video/Makefile
View file @ e4acd10a
......@@ -47,7 +47,7 @@ obj-$(CONFIG_FB_RETINAZ3) += retz3fb.o
obj-$(CONFIG_FB_CLGEN) += clgenfb.o
obj-$(CONFIG_FB_TRIDENT) += tridentfb.o
obj-$(CONFIG_FB_S3TRIO) += S3triofb.o
obj-$(CONFIG_FB_TGA) += tgafb.o
obj-$(CONFIG_FB_TGA) += tgafb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
obj-$(CONFIG_FB_VESA) += vesafb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
obj-$(CONFIG_FB_VGA16) += vga16fb.o cfbfillrect.o cfbcopyarea.o \
cfbimgblt.o vgastate.o
......@@ -77,7 +77,6 @@ obj-$(CONFIG_FB_I810) += i810/ cfbfillrect.o cfbcopyarea.o \
cfbimgblt.o vgastate.o
obj-$(CONFIG_FB_SUN3) += sun3fb.o
obj-$(CONFIG_FB_BWTWO) += bwtwofb.o
obj-$(CONFIG_FB_HGA) += hgafb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
obj-$(CONFIG_FB_SA1100) += sa1100fb.o
obj-$(CONFIG_FB_VIRTUAL) += vfb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
......
drivers/video/cfbcopyarea.c
View file @ e4acd10a
......@@ -38,7 +38,7 @@
#define BYTES_PER_LONG 4
#else
#define FB_WRITEL fb_writeq
#define FB_READL fb_readq(x)
#define FB_READL fb_readq
#define SHIFT_PER_LONG 6
#define BYTES_PER_LONG 8
#endif
......
drivers/video/console/Makefile
View file @ e4acd10a
......@@ -10,30 +10,16 @@ export-objs := fbcon.o fonts.o
# Font handling
font-objs := fonts.o
ifeq ($(CONFIG_FONT_SUN8x16),y)
font-objs += font_sun8x16.o
endif
ifeq ($(CONFIG_FONT_SUN12x22),y)
font-objs += font_sun12x22.o
endif
ifeq ($(CONFIG_FONT_8x8),y)
font-objs += font_8x8.o
endif
ifeq ($(CONFIG_FONT_8x16),y)
font-objs += font_8x16.o
endif
ifeq ($(CONFIG_FONT_6x11),y)
font-objs += font_6x11.o
endif
ifeq ($(CONFIG_FONT_PEARL_8x8),y)
font-objs += font_pearl_8x8.o
endif
ifeq ($(CONFIG_FONT_ACORN_8x8),y)
font-objs += font_acorn_8x8.o
endif
ifeq ($(CONFIG_FONT_MINI_4x6),y)
font-objs += font_mini_4x6.o
endif
font-objs-$(CONFIG_FONT_SUN8x16) += font_sun8x16.o
font-objs-$(CONFIG_FONT_SUN12x22) += font_sun12x22.o
font-objs-$(CONFIG_FONT_8x8) += font_8x8.o
font-objs-$(CONFIG_FONT_8x16) += font_8x16.o
font-objs-$(CONFIG_FONT_6x11) += font_6x11.o
font-objs-$(CONFIG_FONT_PEARL_8x8) += font_pearl_8x8.o
font-objs-$(CONFIG_FONT_ACORN_8x8) += font_acorn_8x8.o
font-objs-$(CONFIG_FONT_MINI_4x6) += font_mini_4x6.o
font-objs += $(font-objs-y)
# Each configuration option enables a list of files.
......
drivers/video/console/fbcon.c
View file @ e4acd10a
......@@ -73,6 +73,7 @@
#include <linux/fb.h>
#include <linux/vt_kern.h>
#include <linux/selection.h>
#include <linux/font.h>
#include <linux/smp.h>
#include <linux/init.h>
......@@ -95,7 +96,6 @@
#endif
#include "fbcon.h"
#include "font.h"
#ifdef FBCONDEBUG
# define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
......
drivers/video/console/font_6x11.c
View file @ e4acd10a
......@@ -4,7 +4,7 @@
/* */
/**********************************************/
#include "font.h"
#include <linux/font.h>
#define FONTDATAMAX (11*256)
......
drivers/video/console/font_8x16.c
View file @ e4acd10a
......@@ -4,7 +4,7 @@
/* */
/**********************************************/
#include "font.h"
#include <linux/font.h>
#define FONTDATAMAX 4096
......
drivers/video/console/font_8x8.c
View file @ e4acd10a
......@@ -4,7 +4,7 @@
/* */
/**********************************************/
#include "font.h"
#include <linux/font.h>
#define FONTDATAMAX 2048
......
drivers/video/console/font_acorn_8x8.c
View file @ e4acd10a
/* Acorn-like font definition, with PC graphics characters */
#include <linux/config.h>
#include "font.h"
#include <linux/font.h>
static unsigned char acorndata_8x8[] = {
/* 00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ^@ */
......
drivers/video/console/font_mini_4x6.c
View file @ e4acd10a
......@@ -39,7 +39,7 @@ __END__;
MSBit to LSBit = left to right.
*/
#include "font.h"
#include <linux/font.h>
#define FONTDATAMAX 1536
......
drivers/video/console/font_pearl_8x8.c
View file @ e4acd10a
......@@ -9,7 +9,7 @@
/* */
/**********************************************/
#include "font.h"
#include <linux/font.h>
#define FONTDATAMAX 2048
......
drivers/video/console/font_sun12x22.c
View file @ e4acd10a
#include "font.h"
#include <linux/font.h>
#define FONTDATAMAX 11264
......
drivers/video/console/font_sun8x16.c
View file @ e4acd10a
#include "font.h"
#include <linux/font.h>
#define FONTDATAMAX 4096
......
drivers/video/console/fonts.c
View file @ e4acd10a
......@@ -16,10 +16,10 @@
#include <linux/module.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/font.h>
#if defined(__mc68000__) || defined(CONFIG_APUS)
#include <asm/setup.h>
#endif
#include "font.h"
#define NO_FONTS
......
drivers/video/console/newport_con.c
View file @ e4acd10a
......@@ -29,7 +29,7 @@
#define INCLUDE_LINUX_LOGO_DATA
#include <asm/linux_logo.h>
#include "font.h"
#include <linux/font.h>
#define LOGO_W 80
#define LOGO_H 80
......
drivers/video/console/sticore.c
View file @ e4acd10a
......@@ -21,7 +21,7 @@
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/pci.h>
#include "font.h"
#include <linux/font.h>
#include <asm/pgalloc.h>
#include <asm/hardware.h>
......
drivers/video/tgafb.c
View file @ e4acd10a
/*
* linux/drivers/video/tgafb.c -- DEC 21030 TGA frame buffer device
*
* Copyright (C) 1999,2000 Martin Lucina, Tom Zerucha
*
* $Id: tgafb.c,v 1.12.2.3 2000/04/04 06:44:56 mato Exp $
*
* This driver is partly based on the original TGA framebuffer device, which
* was partly based on the original TGA console driver, which are
*
* Copyright (C) 1997 Geert Uytterhoeven
* Copyright (C) 1995 Jay Estabrook
* Copyright (C) 1997 Geert Uytterhoeven
* Copyright (C) 1999,2000 Martin Lucina, Tom Zerucha
* Copyright (C) 2002 Richard Henderson
*
* 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.
*/
/* KNOWN PROBLEMS/TO DO ===================================================== *
*
* - How to set a single color register on 24-plane cards?
*
* - Hardware cursor/other text acceleration methods
*
* - Some redraws can stall kernel for several seconds
* [This should now be solved by the fast memmove() patch in 2.3.6]
*
* KNOWN PROBLEMS/TO DO ==================================================== */
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/fb.h>
#include <linux/pci.h>
#include <linux/selection.h>
#include <linux/console.h>
#include <asm/io.h>
#include <video/tgafb.h>
#include <video/fbcon.h>
#include <video/fbcon-cfb8.h>
#include <video/fbcon-cfb32.h>
#include "tgafb.h"
/*
* Global declarations
/*
* Local functions.
*/
static struct tgafb_info fb_info;
static struct tgafb_par current_par;
static int current_par_valid = 0;
static struct display disp;
static char default_fontname[40] __initdata = { 0 };
static struct fb_var_screeninfo default_var;
static int default_var_valid = 0;
static struct { u_char red, green, blue, pad; } palette[256];
#ifdef FBCON_HAS_CFB32
static u32 fbcon_cfb32_cmap[16];
static int tgafb_check_var(struct fb_var_screeninfo *, struct fb_info *);
static int tgafb_set_par(struct fb_info *);
static void tgafb_set_pll(struct tga_par *, int);
static int tgafb_setcolreg(unsigned, unsigned, unsigned, unsigned,
unsigned, struct fb_info *);
static int tgafb_blank(int, struct fb_info *);
static void tgafb_init_fix(struct fb_info *);
static int tgafb_pci_register(struct pci_dev *, const struct pci_device_id *);
#ifdef MODULE
static void tgafb_pci_unregister(struct pci_dev *);
#endif
static const char *mode_option = "640x480@60";
/*
* Hardware presets
/*
* Frame buffer operations
*/
static unsigned int fb_offset_presets[4] = {
TGA_8PLANE_FB_OFFSET,
TGA_24PLANE_FB_OFFSET,
0xffffffff,
TGA_24PLUSZ_FB_OFFSET
};
static unsigned int deep_presets[4] = {
0x00014000,
0x0001440d,
0xffffffff,
0x0001441d
};
static unsigned int rasterop_presets[4] = {
0x00000003,
0x00000303,
0xffffffff,
0x00000303
};
static unsigned int mode_presets[4] = {
0x00002000,
0x00002300,
0xffffffff,
0x00002300
};
static unsigned int base_addr_presets[4] = {
0x00000000,
0x00000001,
0xffffffff,
0x00000001
static struct fb_ops tgafb_ops = {
.owner = THIS_MODULE,
.fb_check_var = tgafb_check_var,
.fb_set_par = tgafb_set_par,
.fb_setcolreg = tgafb_setcolreg,
.fb_blank = tgafb_blank,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
.fb_cursor = soft_cursor,
};
/*
* Predefined video modes
* This is a subset of the standard VESA modes, recalculated from XFree86.
*
* XXX Should we store these in terms of the encoded par structs? Even better,
* fbcon should provide a general mechanism for doing something like this.
*/
static struct {
const char *name;
struct fb_var_screeninfo var;
} tgafb_predefined[] __initdata = {
{ "640x480-60", {
640, 480, 640, 480, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 39722, 40, 24, 32, 11, 96, 2,
0,
FB_VMODE_NONINTERLACED
}},
{ "800x600-56", {
800, 600, 800, 600, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 27777, 128, 24, 22, 1, 72, 2,
0,
FB_VMODE_NONINTERLACED
}},
{ "640x480-72", {
640, 480, 640, 480, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 31746, 144, 40, 30, 8, 40, 3,
0,
FB_VMODE_NONINTERLACED
}},
{ "800x600-60", {
800, 600, 800, 600, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 25000, 88, 40, 23, 1, 128, 4,
FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
FB_VMODE_NONINTERLACED
}},
{ "800x600-72", {
800, 600, 800, 600, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 20000, 64, 56, 23, 37, 120, 6,
FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
FB_VMODE_NONINTERLACED
}},
{ "1024x768-60", {
1024, 768, 1024, 768, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 15384, 168, 8, 29, 3, 144, 6,
0,
FB_VMODE_NONINTERLACED
}},
{ "1152x864-60", {
1152, 864, 1152, 864, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 11123, 208, 64, 16, 4, 256, 8,
0,
FB_VMODE_NONINTERLACED
}},
{ "1024x768-70", {
1024, 768, 1024, 768, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 13333, 144, 24, 29, 3, 136, 6,
0,
FB_VMODE_NONINTERLACED
}},
{ "1024x768-76", {
1024, 768, 1024, 768, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 11764, 208, 8, 36, 16, 120, 3,
0,
FB_VMODE_NONINTERLACED
}},
{ "1152x864-70", {
1152, 864, 1152, 864, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 10869, 106, 56, 20, 1, 160, 10,
0,
FB_VMODE_NONINTERLACED
}},
{ "1280x1024-61", {
1280, 1024, 1280, 1024, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 9090, 200, 48, 26, 1, 184, 3,
0,
FB_VMODE_NONINTERLACED
}},
{ "1024x768-85", {
1024, 768, 1024, 768, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 10111, 192, 32, 34, 14, 160, 6,
0,
FB_VMODE_NONINTERLACED
}},
{ "1280x1024-70", {
1280, 1024, 1280, 1024, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 7905, 224, 32, 28, 8, 160, 8,
0,
FB_VMODE_NONINTERLACED
}},
{ "1152x864-84", {
1152, 864, 1152, 864, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 7407, 184, 312, 32, 0, 128, 12,
0,
FB_VMODE_NONINTERLACED
}},
{ "1280x1024-76", {
1280, 1024, 1280, 1024, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 7407, 248, 32, 34, 3, 104, 3,
0,
FB_VMODE_NONINTERLACED
}},
{ "1280x1024-85", {
1280, 1024, 1280, 1024, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 6349, 224, 64, 44, 1, 160, 3,
0,
FB_VMODE_NONINTERLACED
}},
/* These are modes used by the two fixed-frequency monitors I have at home.
* You may or may not find these useful.
/*
* PCI registration operations
*/
{ "WYSE1", { /* 1280x1024 @ 72 Hz, 130 Mhz clock */
1280, 1024, 1280, 1024, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 7692, 192, 32, 47, 0, 192, 5,
FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
FB_VMODE_NONINTERLACED
}},
{ "IBM3", { /* 1280x1024 @ 70 Hz, 120 Mhz clock */
1280, 1024, 1280, 1024, 0, 0, 0, 0,
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
0, 0, -1, -1, FB_ACCELF_TEXT, 8333, 192, 32, 47, 0, 192, 5,
0,
FB_VMODE_NONINTERLACED
}}
static struct pci_device_id const tgafb_pci_table[] = {
{ PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TGA, PCI_ANY_ID, PCI_ANY_ID,
0, 0, 0 }
};
#define NUM_TOTAL_MODES ARRAY_SIZE(tgafb_predefined)
/*
* Interface used by the world
*/
static void tgafb_detect(void);
static int tgafb_encode_fix(struct fb_fix_screeninfo *fix, const void *fb_par,
struct fb_info_gen *info);
static int tgafb_decode_var(const struct fb_var_screeninfo *var, void *fb_par,
struct fb_info_gen *info);
static int tgafb_encode_var(struct fb_var_screeninfo *var, const void *fb_par,
struct fb_info_gen *info);
static void tgafb_get_par(void *fb_par, struct fb_info_gen *info);
static void tgafb_set_par(const void *fb_par, struct fb_info_gen *info);
static int tgafb_getcolreg(u_int regno, u_int *red, u_int *green, u_int *blue,
u_int *transp, struct fb_info *info);
static int tgafb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
u_int transp, struct fb_info *info);
static int tgafb_blank(int blank, struct fb_info_gen *info);
static void tgafb_set_disp(const void *fb_par, struct display *disp,
struct fb_info_gen *info);
#ifndef MODULE
int tgafb_setup(char*);
#endif
static void tgafb_set_pll(int f);
#if 1
static int tgafb_set_cmap(struct fb_cmap *cmap, int kspc, int con,
struct fb_info *info);
static void tgafb_update_palette(void);
#endif
static struct pci_driver tgafb_driver = {
.name = "tgafb",
.id_table = tgafb_pci_table,
.probe = tgafb_pci_register,
.remove = __devexit_p(tgafb_pci_unregister),
};
/*
* Chipset specific functions
/**
* tgafb_check_var - Optional function. Validates a var passed in.
* @var: frame buffer variable screen structure
* @info: frame buffer structure that represents a single frame buffer
*/
static void tgafb_detect(void)
static int
tgafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
return;
}
static int tgafb_encode_fix(struct fb_fix_screeninfo *fix, const void *fb_par,
struct fb_info_gen *info)
{
struct tgafb_par *par = (struct tgafb_par *)fb_par;
strcpy(fix->id, fb_info.gen.info.modename);
struct tga_par *par = (struct tga_par *)info->par;
fix->type = FB_TYPE_PACKED_PIXELS;
fix->type_aux = 0;
if (fb_info.tga_type == TGA_TYPE_8PLANE) {
fix->visual = FB_VISUAL_PSEUDOCOLOR;
} else {
fix->visual = FB_VISUAL_TRUECOLOR;
}
fix->line_length = par->xres * (par->bits_per_pixel >> 3);
fix->smem_start = fb_info.tga_fb_base;
fix->smem_len = fix->line_length * par->yres;
fix->mmio_start = fb_info.tga_regs_base;
fix->mmio_len = 0x1000; /* Is this sufficient? */
fix->xpanstep = fix->ypanstep = fix->ywrapstep = 0;
fix->accel = FB_ACCEL_DEC_TGA;
return 0;
}
static int tgafb_decode_var(const struct fb_var_screeninfo *var, void *fb_par,
struct fb_info_gen *info)
{
struct tgafb_par *par = (struct tgafb_par *)fb_par;
/* round up some */
if (fb_info.tga_type == TGA_TYPE_8PLANE) {
if (var->bits_per_pixel > 8) {
if (par->tga_type == TGA_TYPE_8PLANE) {
if (var->bits_per_pixel > 8)
return -EINVAL;
}
par->bits_per_pixel = 8;
} else {
if (var->bits_per_pixel > 32) {
if (var->bits_per_pixel > 32)
return -EINVAL;
}
par->bits_per_pixel = 32;
}
/* check the values for sanity */
if (var->xres_virtual != var->xres ||
var->yres_virtual != var->yres ||
var->nonstd || (1000000000/var->pixclock) > TGA_PLL_MAX_FREQ ||
(var->vmode & FB_VMODE_MASK) != FB_VMODE_NONINTERLACED
#if 0 /* fbmon not done. uncomment for 2.5.x -brad */
|| !fbmon_valid_timings(var->pixclock, var->htotal, var->vtotal, info))
#else
)
#endif
if (var->xres_virtual != var->xres || var->yres_virtual != var->yres)
return -EINVAL;
if (var->nonstd)
return -EINVAL;
if (1000000000 / var->pixclock > TGA_PLL_MAX_FREQ)
return -EINVAL;
if ((var->vmode & FB_VMODE_MASK) != FB_VMODE_NONINTERLACED)
return -EINVAL;
/* encode video timings */
par->htimings = ((var->xres/4) & TGA_HORIZ_ACT_LSB) |
(((var->xres/4) & 0x600 << 19) & TGA_HORIZ_ACT_MSB);
par->vtimings = (var->yres & TGA_VERT_ACTIVE);
par->htimings |= ((var->right_margin/4) << 9) & TGA_HORIZ_FP;
par->vtimings |= (var->lower_margin << 11) & TGA_VERT_FP;
par->htimings |= ((var->hsync_len/4) << 14) & TGA_HORIZ_SYNC;
par->vtimings |= (var->vsync_len << 16) & TGA_VERT_SYNC;
par->htimings |= ((var->left_margin/4) << 21) & TGA_HORIZ_BP;
par->vtimings |= (var->upper_margin << 22) & TGA_VERT_BP;
if (var->sync & FB_SYNC_HOR_HIGH_ACT)
par->htimings |= TGA_HORIZ_POLARITY;
if (var->sync & FB_SYNC_VERT_HIGH_ACT)
par->vtimings |= TGA_VERT_POLARITY;
if (var->sync & FB_SYNC_ON_GREEN) {
par->sync_on_green = 1;
} else {
par->sync_on_green = 0;
}
/* store other useful values in par */
par->xres = var->xres;
par->yres = var->yres;
par->pll_freq = 1000000000/var->pixclock;
par->bits_per_pixel = var->bits_per_pixel;
return 0;
}
static int tgafb_encode_var(struct fb_var_screeninfo *var, const void *fb_par,
struct fb_info_gen *info)
/**
* tgafb_set_par - Optional function. Alters the hardware state.
* @info: frame buffer structure that represents a single frame buffer
*/
static int
tgafb_set_par(struct fb_info *info)
{
struct tgafb_par *par = (struct tgafb_par *)fb_par;
/* decode video timings */
var->xres = ((par->htimings & TGA_HORIZ_ACT_LSB) | ((par->htimings & TGA_HORIZ_ACT_MSB) >> 19)) * 4;
var->yres = (par->vtimings & TGA_VERT_ACTIVE);
var->right_margin = ((par->htimings & TGA_HORIZ_FP) >> 9) * 4;
var->lower_margin = ((par->vtimings & TGA_VERT_FP) >> 11);
var->hsync_len = ((par->htimings & TGA_HORIZ_SYNC) >> 14) * 4;
var->vsync_len = ((par->vtimings & TGA_VERT_SYNC) >> 16);
var->left_margin = ((par->htimings & TGA_HORIZ_BP) >> 21) * 4;
var->upper_margin = ((par->vtimings & TGA_VERT_BP) >> 22);
if (par->htimings & TGA_HORIZ_POLARITY)
var->sync |= FB_SYNC_HOR_HIGH_ACT;
if (par->vtimings & TGA_VERT_POLARITY)
var->sync |= FB_SYNC_VERT_HIGH_ACT;
if (par->sync_on_green == 1)
var->sync |= FB_SYNC_ON_GREEN;
var->xres_virtual = var->xres;
var->yres_virtual = var->yres;
var->xoffset = var->yoffset = 0;
/* depth-related */
if (fb_info.tga_type == TGA_TYPE_8PLANE) {
var->red.offset = 0;
var->green.offset = 0;
var->blue.offset = 0;
} else {
var->red.offset = 16;
var->green.offset = 8;
var->blue.offset = 0;
}
var->bits_per_pixel = par->bits_per_pixel;
var->grayscale = 0;
var->red.length = var->green.length = var->blue.length = 8;
var->red.msb_right = var->green.msb_right = var->blue.msb_right = 0;
var->transp.offset = var->transp.length = var->transp.msb_right = 0;
/* others */
var->xoffset = var->yoffset = 0;
var->pixclock = 1000000000/par->pll_freq;
var->nonstd = 0;
var->activate = 0;
var->height = var->width = -1;
var->accel_flags = 0;
static unsigned int const deep_presets[4] = {
0x00014000,
0x0001440d,
0xffffffff,
0x0001441d
};
static unsigned int const rasterop_presets[4] = {
0x00000003,
0x00000303,
0xffffffff,
0x00000303
};
static unsigned int const mode_presets[4] = {
0x00002000,
0x00002300,
0xffffffff,
0x00002300
};
static unsigned int const base_addr_presets[4] = {
0x00000000,
0x00000001,
0xffffffff,
0x00000001
};
return 0;
}
struct tga_par *par = (struct tga_par *) info->par;
u32 htimings, vtimings, pll_freq;
u8 tga_type;
int i, j;
/* Encode video timings. */
htimings = (((info->var.xres/4) & TGA_HORIZ_ACT_LSB)
| (((info->var.xres/4) & 0x600 << 19) & TGA_HORIZ_ACT_MSB));
vtimings = (info->var.yres & TGA_VERT_ACTIVE);
htimings |= ((info->var.right_margin/4) << 9) & TGA_HORIZ_FP;
vtimings |= (info->var.lower_margin << 11) & TGA_VERT_FP;
htimings |= ((info->var.hsync_len/4) << 14) & TGA_HORIZ_SYNC;
vtimings |= (info->var.vsync_len << 16) & TGA_VERT_SYNC;
htimings |= ((info->var.left_margin/4) << 21) & TGA_HORIZ_BP;
vtimings |= (info->var.upper_margin << 22) & TGA_VERT_BP;
static void tgafb_get_par(void *fb_par, struct fb_info_gen *info)
{
struct tgafb_par *par = (struct tgafb_par *)fb_par;
if (info->var.sync & FB_SYNC_HOR_HIGH_ACT)
htimings |= TGA_HORIZ_POLARITY;
if (info->var.sync & FB_SYNC_VERT_HIGH_ACT)
vtimings |= TGA_VERT_POLARITY;
if (current_par_valid)
*par = current_par;
else {
if (fb_info.tga_type == TGA_TYPE_8PLANE)
default_var.bits_per_pixel = 8;
else
default_var.bits_per_pixel = 32;
par->htimings = htimings;
par->vtimings = vtimings;
tgafb_decode_var(&default_var, par, info);
}
}
par->sync_on_green = !!(info->var.sync & FB_SYNC_ON_GREEN);
/* Store other useful values in par. */
par->xres = info->var.xres;
par->yres = info->var.yres;
par->pll_freq = pll_freq = 1000000000 / info->var.pixclock;
par->bits_per_pixel = info->var.bits_per_pixel;
static void tgafb_set_par(const void *fb_par, struct fb_info_gen *info)
{
int i, j;
struct tgafb_par *par = (struct tgafb_par *)fb_par;
#if 0
/* XXX this will break console switching with X11, maybe I need to test KD_GRAPHICS? */
/* if current_par is valid, check to see if we need to change anything */
if (current_par_valid) {
if (!memcmp(par, &current_par, sizeof current_par)) {
return;
}
}
#endif
current_par = *par;
current_par_valid = 1;
tga_type = par->tga_type;
/* first, disable video */
TGA_WRITE_REG(TGA_VALID_VIDEO | TGA_VALID_BLANK, TGA_VALID_REG);
/* First, disable video. */
TGA_WRITE_REG(par, TGA_VALID_VIDEO | TGA_VALID_BLANK, TGA_VALID_REG);
/* write the DEEP register */
while (TGA_READ_REG(TGA_CMD_STAT_REG) & 1) /* wait for not busy */
/* Write the DEEP register. */
while (TGA_READ_REG(par, TGA_CMD_STAT_REG) & 1) /* wait for not busy */
continue;
mb();
TGA_WRITE_REG(deep_presets[fb_info.tga_type], TGA_DEEP_REG);
while (TGA_READ_REG(TGA_CMD_STAT_REG) & 1) /* wait for not busy */
TGA_WRITE_REG(par, deep_presets[tga_type], TGA_DEEP_REG);
while (TGA_READ_REG(par, TGA_CMD_STAT_REG) & 1) /* wait for not busy */
continue;
mb();
/* write some more registers */
TGA_WRITE_REG(rasterop_presets[fb_info.tga_type], TGA_RASTEROP_REG);
TGA_WRITE_REG(mode_presets[fb_info.tga_type], TGA_MODE_REG);
TGA_WRITE_REG(base_addr_presets[fb_info.tga_type], TGA_BASE_ADDR_REG);
/* Write some more registers. */
TGA_WRITE_REG(par, rasterop_presets[tga_type], TGA_RASTEROP_REG);
TGA_WRITE_REG(par, mode_presets[tga_type], TGA_MODE_REG);
TGA_WRITE_REG(par, base_addr_presets[tga_type], TGA_BASE_ADDR_REG);
/* calculate & write the PLL */
tgafb_set_pll(par->pll_freq);
/* Calculate & write the PLL. */
tgafb_set_pll(par, pll_freq);
/* write some more registers */
TGA_WRITE_REG(0xffffffff, TGA_PLANEMASK_REG);
TGA_WRITE_REG(0xffffffff, TGA_PIXELMASK_REG);
TGA_WRITE_REG(0x12345678, TGA_BLOCK_COLOR0_REG);
TGA_WRITE_REG(0x12345678, TGA_BLOCK_COLOR1_REG);
/* Write some more registers. */
TGA_WRITE_REG(par, 0xffffffff, TGA_PLANEMASK_REG);
TGA_WRITE_REG(par, 0xffffffff, TGA_PIXELMASK_REG);
TGA_WRITE_REG(par, 0x12345678, TGA_BLOCK_COLOR0_REG);
TGA_WRITE_REG(par, 0x12345678, TGA_BLOCK_COLOR1_REG);
/* init video timing regs */
TGA_WRITE_REG(par->htimings, TGA_HORIZ_REG);
TGA_WRITE_REG(par->vtimings, TGA_VERT_REG);
/* Init video timing regs. */
TGA_WRITE_REG(par, htimings, TGA_HORIZ_REG);
TGA_WRITE_REG(par, vtimings, TGA_VERT_REG);
/* initalise RAMDAC */
if (fb_info.tga_type == TGA_TYPE_8PLANE) {
/* Initalise RAMDAC. */
if (tga_type == TGA_TYPE_8PLANE) {
/* init BT485 RAMDAC registers */
BT485_WRITE(0xa2 | (par->sync_on_green ? 0x8 : 0x0), BT485_CMD_0);
BT485_WRITE(0x01, BT485_ADDR_PAL_WRITE);
BT485_WRITE(0x14, BT485_CMD_3); /* cursor 64x64 */
BT485_WRITE(0x40, BT485_CMD_1);
BT485_WRITE(0x20, BT485_CMD_2); /* cursor off, for now */
BT485_WRITE(0xff, BT485_PIXEL_MASK);
/* Init BT485 RAMDAC registers. */
BT485_WRITE(par, 0xa2 | (par->sync_on_green ? 0x8 : 0x0),
BT485_CMD_0);
BT485_WRITE(par, 0x01, BT485_ADDR_PAL_WRITE);
BT485_WRITE(par, 0x14, BT485_CMD_3); /* cursor 64x64 */
BT485_WRITE(par, 0x40, BT485_CMD_1);
BT485_WRITE(par, 0x20, BT485_CMD_2); /* cursor off, for now */
BT485_WRITE(par, 0xff, BT485_PIXEL_MASK);
/* fill palette registers */
BT485_WRITE(0x00, BT485_ADDR_PAL_WRITE);
TGA_WRITE_REG(BT485_DATA_PAL, TGA_RAMDAC_SETUP_REG);
/* Fill palette registers. */
BT485_WRITE(par, 0x00, BT485_ADDR_PAL_WRITE);
TGA_WRITE_REG(par, BT485_DATA_PAL, TGA_RAMDAC_SETUP_REG);
for (i = 0; i < 16; i++) {
j = color_table[i];
TGA_WRITE_REG(default_red[j]|(BT485_DATA_PAL<<8), TGA_RAMDAC_REG);
TGA_WRITE_REG(default_grn[j]|(BT485_DATA_PAL<<8), TGA_RAMDAC_REG);
TGA_WRITE_REG(default_blu[j]|(BT485_DATA_PAL<<8), TGA_RAMDAC_REG);
palette[i].red=default_red[j];
palette[i].green=default_grn[j];
palette[i].blue=default_blu[j];
TGA_WRITE_REG(par, default_red[j]|(BT485_DATA_PAL<<8),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, default_grn[j]|(BT485_DATA_PAL<<8),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, default_blu[j]|(BT485_DATA_PAL<<8),
TGA_RAMDAC_REG);
}
for (i = 0; i < 240*3; i += 4) {
TGA_WRITE_REG(0x55|(BT485_DATA_PAL<<8), TGA_RAMDAC_REG);
TGA_WRITE_REG(0x00|(BT485_DATA_PAL<<8), TGA_RAMDAC_REG);
TGA_WRITE_REG(0x00|(BT485_DATA_PAL<<8), TGA_RAMDAC_REG);
TGA_WRITE_REG(0x00|(BT485_DATA_PAL<<8), TGA_RAMDAC_REG);
TGA_WRITE_REG(par, 0x55|(BT485_DATA_PAL<<8),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, 0x00|(BT485_DATA_PAL<<8),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, 0x00|(BT485_DATA_PAL<<8),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, 0x00|(BT485_DATA_PAL<<8),
TGA_RAMDAC_REG);
}
} else { /* 24-plane or 24plusZ */
/* init BT463 registers */
BT463_WRITE(BT463_REG_ACC, BT463_CMD_REG_0, 0x40);
BT463_WRITE(BT463_REG_ACC, BT463_CMD_REG_1, 0x08);
BT463_WRITE(BT463_REG_ACC, BT463_CMD_REG_2,
/* Init BT463 registers. */
BT463_WRITE(par, BT463_REG_ACC, BT463_CMD_REG_0, 0x40);
BT463_WRITE(par, BT463_REG_ACC, BT463_CMD_REG_1, 0x08);
BT463_WRITE(par, BT463_REG_ACC, BT463_CMD_REG_2,
(par->sync_on_green ? 0x80 : 0x40));
BT463_WRITE(BT463_REG_ACC, BT463_READ_MASK_0, 0xff);
BT463_WRITE(BT463_REG_ACC, BT463_READ_MASK_1, 0xff);
BT463_WRITE(BT463_REG_ACC, BT463_READ_MASK_2, 0xff);
BT463_WRITE(BT463_REG_ACC, BT463_READ_MASK_3, 0x0f);
BT463_WRITE(par, BT463_REG_ACC, BT463_READ_MASK_0, 0xff);
BT463_WRITE(par, BT463_REG_ACC, BT463_READ_MASK_1, 0xff);
BT463_WRITE(par, BT463_REG_ACC, BT463_READ_MASK_2, 0xff);
BT463_WRITE(par, BT463_REG_ACC, BT463_READ_MASK_3, 0x0f);
BT463_WRITE(BT463_REG_ACC, BT463_BLINK_MASK_0, 0x00);
BT463_WRITE(BT463_REG_ACC, BT463_BLINK_MASK_1, 0x00);
BT463_WRITE(BT463_REG_ACC, BT463_BLINK_MASK_2, 0x00);
BT463_WRITE(BT463_REG_ACC, BT463_BLINK_MASK_3, 0x00);
BT463_WRITE(par, BT463_REG_ACC, BT463_BLINK_MASK_0, 0x00);
BT463_WRITE(par, BT463_REG_ACC, BT463_BLINK_MASK_1, 0x00);
BT463_WRITE(par, BT463_REG_ACC, BT463_BLINK_MASK_2, 0x00);
BT463_WRITE(par, BT463_REG_ACC, BT463_BLINK_MASK_3, 0x00);
/* fill the palette */
BT463_LOAD_ADDR(0x0000);
TGA_WRITE_REG((BT463_PALETTE<<2), TGA_RAMDAC_REG);
/* Fill the palette. */
BT463_LOAD_ADDR(par, 0x0000);
TGA_WRITE_REG(par, BT463_PALETTE<<2, TGA_RAMDAC_REG);
for (i = 0; i < 16; i++) {
j = color_table[i];
TGA_WRITE_REG(default_red[j]|(BT463_PALETTE<<10), TGA_RAMDAC_REG);
TGA_WRITE_REG(default_grn[j]|(BT463_PALETTE<<10), TGA_RAMDAC_REG);
TGA_WRITE_REG(default_blu[j]|(BT463_PALETTE<<10), TGA_RAMDAC_REG);
TGA_WRITE_REG(par, default_red[j]|(BT463_PALETTE<<10),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, default_grn[j]|(BT463_PALETTE<<10),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, default_blu[j]|(BT463_PALETTE<<10),
TGA_RAMDAC_REG);
}
for (i = 0; i < 512*3; i += 4) {
TGA_WRITE_REG(0x55|(BT463_PALETTE<<10), TGA_RAMDAC_REG);
TGA_WRITE_REG(0x00|(BT463_PALETTE<<10), TGA_RAMDAC_REG);
TGA_WRITE_REG(0x00|(BT463_PALETTE<<10), TGA_RAMDAC_REG);
TGA_WRITE_REG(0x00|(BT463_PALETTE<<10), TGA_RAMDAC_REG);
}
/* fill window type table after start of vertical retrace */
while (!(TGA_READ_REG(TGA_INTR_STAT_REG) & 0x01))
TGA_WRITE_REG(par, 0x55|(BT463_PALETTE<<10),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, 0x00|(BT463_PALETTE<<10),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, 0x00|(BT463_PALETTE<<10),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, 0x00|(BT463_PALETTE<<10),
TGA_RAMDAC_REG);
}
/* Fill window type table after start of vertical retrace. */
while (!(TGA_READ_REG(par, TGA_INTR_STAT_REG) & 0x01))
continue;
TGA_WRITE_REG(0x01, TGA_INTR_STAT_REG);
TGA_WRITE_REG(par, 0x01, TGA_INTR_STAT_REG);
mb();
while (!(TGA_READ_REG(TGA_INTR_STAT_REG) & 0x01))
while (!(TGA_READ_REG(par, TGA_INTR_STAT_REG) & 0x01))
continue;
TGA_WRITE_REG(0x01, TGA_INTR_STAT_REG);
TGA_WRITE_REG(par, 0x01, TGA_INTR_STAT_REG);
BT463_LOAD_ADDR(BT463_WINDOW_TYPE_BASE);
TGA_WRITE_REG((BT463_REG_ACC<<2), TGA_RAMDAC_SETUP_REG);
BT463_LOAD_ADDR(par, BT463_WINDOW_TYPE_BASE);
TGA_WRITE_REG(par, BT463_REG_ACC<<2, TGA_RAMDAC_SETUP_REG);
for (i = 0; i < 16; i++) {
TGA_WRITE_REG(0x00|(BT463_REG_ACC<<10), TGA_RAMDAC_REG);
TGA_WRITE_REG(0x01|(BT463_REG_ACC<<10), TGA_RAMDAC_REG);
TGA_WRITE_REG(0x80|(BT463_REG_ACC<<10), TGA_RAMDAC_REG);
TGA_WRITE_REG(par, 0x00|(BT463_REG_ACC<<10),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, 0x01|(BT463_REG_ACC<<10),
TGA_RAMDAC_REG);
TGA_WRITE_REG(par, 0x80|(BT463_REG_ACC<<10),
TGA_RAMDAC_REG);
}
}
/* finally, enable video scan
(and pray for the monitor... :-) */
TGA_WRITE_REG(TGA_VALID_VIDEO, TGA_VALID_REG);
}
/* Finally, enable video scan (and pray for the monitor... :-) */
TGA_WRITE_REG(par, TGA_VALID_VIDEO, TGA_VALID_REG);
#define DIFFCHECK(x) { if( m <= 0x3f ) { \
int delta = f - (TGA_PLL_BASE_FREQ * (x)) / (r << shift); \
if (delta < 0) delta = -delta; \
if (delta < min_diff) min_diff = delta, vm = m, va = a, vr = r; } }
return 0;
}
static void tgafb_set_pll(int f)
#define DIFFCHECK(X) \
do { \
if (m <= 0x3f) { \
int delta = f - (TGA_PLL_BASE_FREQ * (X)) / (r << shift); \
if (delta < 0) \
delta = -delta; \
if (delta < min_diff) \
min_diff = delta, vm = m, va = a, vr = r; \
} \
} while (0)
static void
tgafb_set_pll(struct tga_par *par, int f)
{
int n, shift, base, min_diff, target;
int r,a,m,vm = 34, va = 1, vr = 30;
for( r = 0 ; r < 12 ; r++ )
TGA_WRITE_REG(!r, TGA_CLOCK_REG);
for (r = 0 ; r < 12 ; r++)
TGA_WRITE_REG(par, !r, TGA_CLOCK_REG);
if (f > TGA_PLL_MAX_FREQ)
f = TGA_PLL_MAX_FREQ;
......@@ -624,51 +342,49 @@ static void tgafb_set_pll(int f)
else
shift = 2;
TGA_WRITE_REG(shift & 1, TGA_CLOCK_REG);
TGA_WRITE_REG(shift >> 1, TGA_CLOCK_REG);
TGA_WRITE_REG(par, shift & 1, TGA_CLOCK_REG);
TGA_WRITE_REG(par, shift >> 1, TGA_CLOCK_REG);
for( r = 0 ; r < 10 ; r++ ) {
TGA_WRITE_REG(0, TGA_CLOCK_REG);
}
for (r = 0 ; r < 10 ; r++)
TGA_WRITE_REG(par, 0, TGA_CLOCK_REG);
if (f <= 120000) {
TGA_WRITE_REG(0, TGA_CLOCK_REG);
TGA_WRITE_REG(0, TGA_CLOCK_REG);
TGA_WRITE_REG(par, 0, TGA_CLOCK_REG);
TGA_WRITE_REG(par, 0, TGA_CLOCK_REG);
}
else if (f <= 200000) {
TGA_WRITE_REG(1, TGA_CLOCK_REG);
TGA_WRITE_REG(0, TGA_CLOCK_REG);
TGA_WRITE_REG(par, 1, TGA_CLOCK_REG);
TGA_WRITE_REG(par, 0, TGA_CLOCK_REG);
}
else {
TGA_WRITE_REG(0, TGA_CLOCK_REG);
TGA_WRITE_REG(1, TGA_CLOCK_REG);
TGA_WRITE_REG(par, 0, TGA_CLOCK_REG);
TGA_WRITE_REG(par, 1, TGA_CLOCK_REG);
}
TGA_WRITE_REG(1, TGA_CLOCK_REG);
TGA_WRITE_REG(0, TGA_CLOCK_REG);
TGA_WRITE_REG(0, TGA_CLOCK_REG);
TGA_WRITE_REG(1, TGA_CLOCK_REG);
TGA_WRITE_REG(0, TGA_CLOCK_REG);
TGA_WRITE_REG(1, TGA_CLOCK_REG);
TGA_WRITE_REG(par, 1, TGA_CLOCK_REG);
TGA_WRITE_REG(par, 0, TGA_CLOCK_REG);
TGA_WRITE_REG(par, 0, TGA_CLOCK_REG);
TGA_WRITE_REG(par, 1, TGA_CLOCK_REG);
TGA_WRITE_REG(par, 0, TGA_CLOCK_REG);
TGA_WRITE_REG(par, 1, TGA_CLOCK_REG);
target = (f << shift) / TGA_PLL_BASE_FREQ;
min_diff = TGA_PLL_MAX_FREQ;
r = 7 / target;
if (!r)
r = 1;
if (!r) r = 1;
base = target * r;
while (base < 449) {
for (n = base < 7 ? 7 : base ; n < base + target && n < 449; n++) {
for (n = base < 7 ? 7 : base; n < base + target && n < 449; n++) {
m = ((n + 3) / 7) - 1;
a = 0;
DIFFCHECK((m + 1) * 7);
m++;
DIFFCHECK((m + 1) * 7);
m = (n / 6) - 1;
if( (a = n % 6))
DIFFCHECK( n );
if ((a = n % 6))
DIFFCHECK(n);
}
r++;
base += target;
......@@ -676,147 +392,103 @@ static void tgafb_set_pll(int f)
vr--;
for( r=0; r<8 ; r++) {
TGA_WRITE_REG((vm >> r) & 1, TGA_CLOCK_REG);
}
for( r=0; r<8 ; r++) {
TGA_WRITE_REG((va >> r) & 1, TGA_CLOCK_REG);
}
for( r=0; r<7 ; r++) {
TGA_WRITE_REG((vr >> r) & 1, TGA_CLOCK_REG);
}
TGA_WRITE_REG(((vr >> 7) & 1)|2, TGA_CLOCK_REG);
for (r = 0; r < 8; r++)
TGA_WRITE_REG(par, (vm >> r) & 1, TGA_CLOCK_REG);
for (r = 0; r < 8 ; r++)
TGA_WRITE_REG(par, (va >> r) & 1, TGA_CLOCK_REG);
for (r = 0; r < 7 ; r++)
TGA_WRITE_REG(par, (vr >> r) & 1, TGA_CLOCK_REG);
TGA_WRITE_REG(par, ((vr >> 7) & 1)|2, TGA_CLOCK_REG);
}
static int tgafb_getcolreg(u_int regno, u_int *red, u_int *green, u_int *blue,
u_int *transp, struct fb_info *info)
/**
* tgafb_setcolreg - Optional function. Sets a color register.
* @regno: boolean, 0 copy local, 1 get_user() function
* @red: frame buffer colormap structure
* @green: The green value which can be up to 16 bits wide
* @blue: The blue value which can be up to 16 bits wide.
* @transp: If supported the alpha value which can be up to 16 bits wide.
* @info: frame buffer info structure
*/
static int
tgafb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue,
unsigned transp, struct fb_info *info)
{
if (regno > 255)
return 1;
*red = (palette[regno].red<<8) | palette[regno].red;
*green = (palette[regno].green<<8) | palette[regno].green;
*blue = (palette[regno].blue<<8) | palette[regno].blue;
*transp = 0;
return 0;
}
struct tga_par *par = (struct tga_par *) info->par;
static int tgafb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
u_int transp, struct fb_info *info)
{
if (regno > 255)
return 1;
red >>= 8;
green >>= 8;
blue >>= 8;
palette[regno].red = red;
palette[regno].green = green;
palette[regno].blue = blue;
#ifdef FBCON_HAS_CFB32
if (regno < 16 && fb_info.tga_type != TGA_TYPE_8PLANE)
fbcon_cfb32_cmap[regno] = (red << 16) | (green << 8) | blue;
#endif
if (fb_info.tga_type == TGA_TYPE_8PLANE) {
BT485_WRITE(regno, BT485_ADDR_PAL_WRITE);
TGA_WRITE_REG(BT485_DATA_PAL, TGA_RAMDAC_SETUP_REG);
TGA_WRITE_REG(red|(BT485_DATA_PAL<<8),TGA_RAMDAC_REG);
TGA_WRITE_REG(green|(BT485_DATA_PAL<<8),TGA_RAMDAC_REG);
TGA_WRITE_REG(blue|(BT485_DATA_PAL<<8),TGA_RAMDAC_REG);
if (par->tga_type == TGA_TYPE_8PLANE) {
BT485_WRITE(par, regno, BT485_ADDR_PAL_WRITE);
TGA_WRITE_REG(par, BT485_DATA_PAL, TGA_RAMDAC_SETUP_REG);
TGA_WRITE_REG(par, red|(BT485_DATA_PAL<<8),TGA_RAMDAC_REG);
TGA_WRITE_REG(par, green|(BT485_DATA_PAL<<8),TGA_RAMDAC_REG);
TGA_WRITE_REG(par, blue|(BT485_DATA_PAL<<8),TGA_RAMDAC_REG);
} else if (regno < 16) {
u32 value = (red << 16) | (green << 8) | blue;
((u32 *)info->pseudo_palette)[regno] = value;
}
/* How to set a single color register on 24-plane cards?? */
return 0;
}
#if 1
/*
* FIXME: since I don't know how to set a single arbitrary color register
* on 24-plane cards, all color palette registers have to be updated
*/
static int tgafb_set_cmap(struct fb_cmap *cmap, int kspc, int con,
struct fb_info *info)
{
int err;
if (!fb_display[con].cmap.len) { /* no colormap allocated? */
if ((err = fb_alloc_cmap(&fb_display[con].cmap, 256, 0)))
return err;
}
if (con == info->currcon) { /* current console? */
err = fb_set_cmap(cmap, kspc, info);
#if 1
if (fb_info.tga_type != TGA_TYPE_8PLANE)
tgafb_update_palette();
#endif
return err;
} else
fb_copy_cmap(cmap, &fb_display[con].cmap, kspc ? 0 : 1);
return 0;
}
static void tgafb_update_palette(void)
{
int i;
BT463_LOAD_ADDR(0x0000);
TGA_WRITE_REG((BT463_PALETTE<<2), TGA_RAMDAC_REG);
for (i = 0; i < 256; i++) {
TGA_WRITE_REG(palette[i].red|(BT463_PALETTE<<10), TGA_RAMDAC_REG);
TGA_WRITE_REG(palette[i].green|(BT463_PALETTE<<10), TGA_RAMDAC_REG);
TGA_WRITE_REG(palette[i].blue|(BT463_PALETTE<<10), TGA_RAMDAC_REG);
}
}
#endif
static int tgafb_blank(int blank, struct fb_info_gen *info)
/**
* tgafb_blank - Optional function. Blanks the display.
* @blank_mode: the blank mode we want.
* @info: frame buffer structure that represents a single frame buffer
*/
static int
tgafb_blank(int blank, struct fb_info *info)
{
static int tga_vesa_blanked = 0;
struct tga_par *par = (struct tga_par *) info->par;
u32 vhcr, vvcr, vvvr;
unsigned long flags;
local_irq_save(flags);
vhcr = TGA_READ_REG(TGA_HORIZ_REG);
vvcr = TGA_READ_REG(TGA_VERT_REG);
vvvr = TGA_READ_REG(TGA_VALID_REG) & ~(TGA_VALID_VIDEO | TGA_VALID_BLANK);
vhcr = TGA_READ_REG(par, TGA_HORIZ_REG);
vvcr = TGA_READ_REG(par, TGA_VERT_REG);
vvvr = TGA_READ_REG(par, TGA_VALID_REG);
vvvr &= ~(TGA_VALID_VIDEO | TGA_VALID_BLANK);
switch (blank) {
case 0: /* Unblanking */
if (tga_vesa_blanked) {
TGA_WRITE_REG(vhcr & 0xbfffffff, TGA_HORIZ_REG);
TGA_WRITE_REG(vvcr & 0xbfffffff, TGA_VERT_REG);
tga_vesa_blanked = 0;
if (par->vesa_blanked) {
TGA_WRITE_REG(par, vhcr & 0xbfffffff, TGA_HORIZ_REG);
TGA_WRITE_REG(par, vvcr & 0xbfffffff, TGA_VERT_REG);
par->vesa_blanked = 0;
}
TGA_WRITE_REG(vvvr | TGA_VALID_VIDEO, TGA_VALID_REG);
TGA_WRITE_REG(par, vvvr | TGA_VALID_VIDEO, TGA_VALID_REG);
break;
case 1: /* Normal blanking */
TGA_WRITE_REG(vvvr | TGA_VALID_VIDEO | TGA_VALID_BLANK, TGA_VALID_REG);
TGA_WRITE_REG(par, vvvr | TGA_VALID_VIDEO | TGA_VALID_BLANK,
TGA_VALID_REG);
break;
case 2: /* VESA blank (vsync off) */
TGA_WRITE_REG(vvcr | 0x40000000, TGA_VERT_REG);
TGA_WRITE_REG(vvvr | TGA_VALID_BLANK, TGA_VALID_REG);
tga_vesa_blanked = 1;
TGA_WRITE_REG(par, vvcr | 0x40000000, TGA_VERT_REG);
TGA_WRITE_REG(par, vvvr | TGA_VALID_BLANK, TGA_VALID_REG);
par->vesa_blanked = 1;
break;
case 3: /* VESA blank (hsync off) */
TGA_WRITE_REG(vhcr | 0x40000000, TGA_HORIZ_REG);
TGA_WRITE_REG(vvvr | TGA_VALID_BLANK, TGA_VALID_REG);
tga_vesa_blanked = 1;
TGA_WRITE_REG(par, vhcr | 0x40000000, TGA_HORIZ_REG);
TGA_WRITE_REG(par, vvvr | TGA_VALID_BLANK, TGA_VALID_REG);
par->vesa_blanked = 1;
break;
case 4: /* Poweroff */
TGA_WRITE_REG(vhcr | 0x40000000, TGA_HORIZ_REG);
TGA_WRITE_REG(vvcr | 0x40000000, TGA_VERT_REG);
TGA_WRITE_REG(vvvr | TGA_VALID_BLANK, TGA_VALID_REG);
tga_vesa_blanked = 1;
TGA_WRITE_REG(par, vhcr | 0x40000000, TGA_HORIZ_REG);
TGA_WRITE_REG(par, vvcr | 0x40000000, TGA_VERT_REG);
TGA_WRITE_REG(par, vvvr | TGA_VALID_BLANK, TGA_VALID_REG);
par->vesa_blanked = 1;
break;
}
......@@ -825,185 +497,227 @@ static int tgafb_blank(int blank, struct fb_info_gen *info)
}
static void tgafb_set_disp(const void *fb_par, struct display *disp,
struct fb_info_gen *info)
/*
* Initialisation
*/
static void
tgafb_init_fix(struct fb_info *info)
{
switch (fb_info.tga_type) {
#ifdef FBCON_HAS_CFB8
struct tga_par *par = (struct tga_par *)info->par;
u8 tga_type = par->tga_type;
const char *tga_type_name;
switch (tga_type) {
case TGA_TYPE_8PLANE:
disp->dispsw = &fbcon_cfb8;
tga_type_name = "Digital ZLXp-E1";
break;
#endif
#ifdef FBCON_HAS_CFB32
case TGA_TYPE_24PLANE:
tga_type_name = "Digital ZLXp-E2";
break;
case TGA_TYPE_24PLUSZ:
disp->dispsw = &fbcon_cfb32;
disp->dispsw_data = &fbcon_cfb32_cmap;
tga_type_name = "Digital ZLXp-E3";
break;
#endif
default:
disp->dispsw = &fbcon_dummy;
tga_type_name = "Unknown";
break;
}
disp->scrollmode = SCROLL_YREDRAW;
}
strncpy(info->fix.id, tga_type_name, sizeof(info->fix.id) - 1);
info->fix.id[sizeof(info->fix.id)-1] = 0;
info->fix.type = FB_TYPE_PACKED_PIXELS;
info->fix.type_aux = 0;
info->fix.visual = (tga_type == TGA_TYPE_8PLANE
? FB_VISUAL_PSEUDOCOLOR
: FB_VISUAL_TRUECOLOR);
struct fbgen_hwswitch tgafb_hwswitch = {
tgafb_detect, tgafb_encode_fix, tgafb_decode_var, tgafb_encode_var, tgafb_get_par,
tgafb_set_par, tgafb_getcolreg, NULL, tgafb_blank,
tgafb_set_disp
};
info->fix.line_length = par->xres * (par->bits_per_pixel >> 3);
info->fix.smem_start = (size_t) par->tga_fb_base;
info->fix.smem_len = info->fix.line_length * par->yres;
info->fix.mmio_start = (size_t) par->tga_regs_base;
info->fix.mmio_len = 0x1000; /* Is this sufficient? */
info->fix.xpanstep = 0;
info->fix.ypanstep = 0;
info->fix.ywrapstep = 0;
/*
* Hardware Independent functions
*/
/*
* Frame buffer operations
*/
static struct fb_ops tgafb_ops = {
.owner = THIS_MODULE,
.fb_get_fix = fbgen_get_fix,
.fb_get_var = fbgen_get_var,
.fb_set_var = fbgen_set_var,
.fb_get_cmap = fbgen_get_cmap,
.fb_set_cmap = tgafb_set_cmap,
.fb_setcolreg = tgafb_setcolreg,
.fb_blank = fbgen_blank,
};
#ifndef MODULE
/*
* Setup
*/
int __init tgafb_setup(char *options) {
char *this_opt;
int i;
info->fix.accel = FB_ACCEL_DEC_TGA;
}
if (options && *options) {
while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt) { continue; }
static __devinit int
tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
{
static unsigned int const fb_offset_presets[4] = {
TGA_8PLANE_FB_OFFSET,
TGA_24PLANE_FB_OFFSET,
0xffffffff,
TGA_24PLUSZ_FB_OFFSET
};
struct all_info {
struct fb_info info;
struct tga_par par;
u32 pseudo_palette[16];
} *all;
void *mem_base;
unsigned long bar0_start, bar0_len;
u8 tga_type;
int ret;
/* Enable device in PCI config. */
if (pci_enable_device(pdev)) {
printk(KERN_ERR "tgafb: Cannot enable PCI device\n");
return -ENODEV;
}
/* Allocate the fb and par structures. */
all = kmalloc(sizeof(*all), GFP_KERNEL);
if (!all) {
printk(KERN_ERR "tgafb: Cannot allocate memory\n");
return -ENOMEM;
}
memset(all, 0, sizeof(*all));
pci_set_drvdata(pdev, all);
/* Request the mem regions. */
bar0_start = pci_resource_start(pdev, 0);
bar0_len = pci_resource_len(pdev, 0);
ret = -ENODEV;
if (!request_mem_region (bar0_start, bar0_len, "tgafb")) {
printk(KERN_ERR "tgafb: cannot reserve FB region\n");
goto err0;
}
/* Map the framebuffer. */
mem_base = ioremap(bar0_start, bar0_len);
if (!mem_base) {
printk(KERN_ERR "tgafb: Cannot map MMIO\n");
goto err1;
}
/* Grab info about the card. */
tga_type = (readl(mem_base) >> 12) & 0x0f;
all->par.pdev = pdev;
all->par.tga_mem_base = mem_base;
all->par.tga_fb_base = mem_base + fb_offset_presets[tga_type];
all->par.tga_regs_base = mem_base + TGA_REGS_OFFSET;
all->par.tga_type = tga_type;
pci_read_config_byte(pdev, PCI_REVISION_ID, &all->par.tga_chip_rev);
/* Setup framebuffer. */
all->info.node = NODEV;
all->info.flags = FBINFO_FLAG_DEFAULT;
all->info.fbops = &tgafb_ops;
all->info.screen_base = (char *) all->par.tga_fb_base;
all->info.currcon = -1;
all->info.par = &all->par;
all->info.pseudo_palette = all->pseudo_palette;
/* This should give a reasonable default video mode. */
ret = fb_find_mode(&all->info.var, &all->info, mode_option,
NULL, 0, NULL,
tga_type == TGA_TYPE_8PLANE ? 8 : 32);
if (ret == 0 || ret == 4) {
printk(KERN_ERR "tgafb: Could not find valid video mode\n");
ret = -EINVAL;
goto err1;
}
if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
printk(KERN_ERR "tgafb: Could not allocate color map\n");
ret = -ENOMEM;
goto err1;
}
tgafb_set_par(&all->info);
tgafb_init_fix(&all->info);
if (register_framebuffer(&all->info) < 0) {
printk(KERN_ERR "tgafb: Could not register framebuffer\n");
ret = -EINVAL;
goto err1;
}
printk(KERN_INFO "tgafb: DC21030 [TGA] detected, rev=0x%02x\n",
all->par.tga_chip_rev);
printk(KERN_INFO "tgafb: at PCI bus %d, device %d, function %d\n",
pdev->bus->number, PCI_SLOT(pdev->devfn),
PCI_FUNC(pdev->devfn));
printk(KERN_INFO "fb%d: %s frame buffer device at 0x%lx\n",
minor(all->info.node), all->info.fix.id, bar0_start);
if (!strncmp(this_opt, "font:", 5)) {
strncpy(default_fontname, this_opt+5, sizeof default_fontname);
}
return 0;
else if (!strncmp(this_opt, "mode:", 5)) {
for (i = 0; i < NUM_TOTAL_MODES; i++) {
if (!strcmp(this_opt+5, tgafb_predefined[i].name))
default_var = tgafb_predefined[i].var;
default_var_valid = 1;
}
}
err1:
release_mem_region(bar0_start, bar0_len);
err0:
kfree(all);
return ret;
}
else {
printk(KERN_ERR "tgafb: unknown parameter %s\n", this_opt);
}
}
}
return 0;
int __init
tgafb_init(void)
{
return pci_module_init(&tgafb_driver);
}
#endif
#ifdef MODULE
static void __exit
tgafb_pci_unregister(struct pci_dev *pdev)
{
struct fb_info *info = pci_get_drvdata(pdev);
struct tga_par *par = info->par;
/*
* Initialisation
*/
if (!info)
return;
unregister_framebuffer(info);
iounmap(par->tga_mem_base);
release_mem_region(pci_resource_start(pdev, 0),
pci_resource_len(pdev, 0));
kfree(info);
}
int __init tgafb_init(void)
static void __exit
tgafb_exit(void)
{
struct pci_dev *pdev;
pdev = pci_find_device(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TGA, NULL);
if (!pdev)
return -ENXIO;
/* divine board type */
fb_info.tga_mem_base = (unsigned long)ioremap(pdev->resource[0].start, 0);
fb_info.tga_type = (readl(fb_info.tga_mem_base) >> 12) & 0x0f;
fb_info.tga_regs_base = fb_info.tga_mem_base + TGA_REGS_OFFSET;
fb_info.tga_fb_base = (fb_info.tga_mem_base
+ fb_offset_presets[fb_info.tga_type]);
pci_read_config_byte(pdev, PCI_REVISION_ID, &fb_info.tga_chip_rev);
/* setup framebuffer */
fb_info.gen.info.node = NODEV;
fb_info.gen.info.flags = FBINFO_FLAG_DEFAULT;
fb_info.gen.info.fbops = &tgafb_ops;
fb_info.gen.info.screen_base = (char *)fb_info.tga_fb_base;
fb_info.gen.info.disp = &disp;
fb_info.gen.info.currcon = -1;
fb_info.gen.info.changevar = NULL;
fb_info.gen.info.switch_con = &fbgen_switch;
fb_info.gen.info.updatevar = &fbgen_update_var;
strcpy(fb_info.gen.info.fontname, default_fontname);
fb_info.gen.parsize = sizeof (struct tgafb_par);
fb_info.gen.fbhw = &tgafb_hwswitch;
fb_info.gen.fbhw->detect();
printk (KERN_INFO "tgafb: DC21030 [TGA] detected, rev=0x%02x\n", fb_info.tga_chip_rev);
printk (KERN_INFO "tgafb: at PCI bus %d, device %d, function %d\n",
pdev->bus->number, PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn));
switch (fb_info.tga_type)
{
case TGA_TYPE_8PLANE:
strcpy (fb_info.gen.info.modename,"Digital ZLXp-E1");
break;
pci_unregister_driver(&tgafb_driver);
}
#endif /* MODULE */
case TGA_TYPE_24PLANE:
strcpy (fb_info.gen.info.modename,"Digital ZLXp-E2");
break;
#ifndef MODULE
int __init
tgafb_setup(char *arg)
{
char *this_opt;
case TGA_TYPE_24PLUSZ:
strcpy (fb_info.gen.info.modename,"Digital ZLXp-E3");
break;
if (arg && *arg) {
while ((this_opt = strsep(&arg, ","))) {
if (!*this_opt)
continue;
if (!strncmp(this_opt, "mode:", 5))
mode_option = this_opt+5;
else
printk(KERN_ERR
"tgafb: unknown parameter %s\n",
this_opt);
}
/* This should give a reasonable default video mode */
if (!default_var_valid) {
default_var = tgafb_predefined[0].var;
}
fbgen_get_var(&disp.var, -1, &fb_info.gen.info);
disp.var.activate = FB_ACTIVATE_NOW;
fbgen_do_set_var(&disp.var, 1, &fb_info.gen);
fbgen_set_disp(-1, &fb_info.gen);
do_install_cmap(0, &fb_info.gen);
if (register_framebuffer(&fb_info.gen.info) < 0)
return -EINVAL;
printk(KERN_INFO "fb%d: %s frame buffer device at 0x%lx\n",
minor(fb_info.gen.info.node), fb_info.gen.info.modename,
pdev->resource[0].start);
return 0;
}
/*
* Cleanup
*/
void __exit tgafb_cleanup(void)
{
unregister_framebuffer(&fb_info.gen.info);
return 0;
}
#endif /* !MODULE */
/*
/*
* Modularisation
*/
#ifdef MODULE
MODULE_LICENSE("GPL");
module_init(tgafb_init);
module_exit(tgafb_exit);
#endif
module_exit(tgafb_cleanup);
MODULE_DESCRIPTION("framebuffer driver for TGA chipset");
MODULE_LICENSE("GPL");
include/video/tgafb.h 0 → 100644
View file @ e4acd10a
/*
* linux/drivers/video/tgafb.h -- DEC 21030 TGA frame buffer device
*
* Copyright (C) 1999,2000 Martin Lucina, Tom Zerucha
*
* $Id: tgafb.h,v 1.4.2.3 2000/04/04 06:44:56 mato Exp $
*
* 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.
*/
#ifndef TGAFB_H
#define TGAFB_H
/*
* TGA hardware description (minimal)
*/
#define TGA_TYPE_8PLANE 0
#define TGA_TYPE_24PLANE 1
#define TGA_TYPE_24PLUSZ 3
/*
* Offsets within Memory Space
*/
#define TGA_ROM_OFFSET 0x0000000
#define TGA_REGS_OFFSET 0x0100000
#define TGA_8PLANE_FB_OFFSET 0x0200000
#define TGA_24PLANE_FB_OFFSET 0x0804000
#define TGA_24PLUSZ_FB_OFFSET 0x1004000
#define TGA_PLANEMASK_REG 0x0028
#define TGA_MODE_REG 0x0030
#define TGA_RASTEROP_REG 0x0034
#define TGA_PIXELSHIFT_REG 0x0038
#define TGA_DEEP_REG 0x0050
#define TGA_PIXELMASK_REG 0x005c
#define TGA_CURSOR_BASE_REG 0x0060
#define TGA_HORIZ_REG 0x0064
#define TGA_VERT_REG 0x0068
#define TGA_BASE_ADDR_REG 0x006c
#define TGA_VALID_REG 0x0070
#define TGA_CURSOR_XY_REG 0x0074
#define TGA_INTR_STAT_REG 0x007c
#define TGA_RAMDAC_SETUP_REG 0x00c0
#define TGA_BLOCK_COLOR0_REG 0x0140
#define TGA_BLOCK_COLOR1_REG 0x0144
#define TGA_CLOCK_REG 0x01e8
#define TGA_RAMDAC_REG 0x01f0
#define TGA_CMD_STAT_REG 0x01f8
/*
* Useful defines for managing the registers
*/
#define TGA_HORIZ_ODD 0x80000000
#define TGA_HORIZ_POLARITY 0x40000000
#define TGA_HORIZ_ACT_MSB 0x30000000
#define TGA_HORIZ_BP 0x0fe00000
#define TGA_HORIZ_SYNC 0x001fc000
#define TGA_HORIZ_FP 0x00007c00
#define TGA_HORIZ_ACT_LSB 0x000001ff
#define TGA_VERT_SE 0x80000000
#define TGA_VERT_POLARITY 0x40000000
#define TGA_VERT_RESERVED 0x30000000
#define TGA_VERT_BP 0x0fc00000
#define TGA_VERT_SYNC 0x003f0000
#define TGA_VERT_FP 0x0000f800
#define TGA_VERT_ACTIVE 0x000007ff
#define TGA_VALID_VIDEO 0x01
#define TGA_VALID_BLANK 0x02
#define TGA_VALID_CURSOR 0x04
/*
* Useful defines for managing the ICS1562 PLL clock
*/
#define TGA_PLL_BASE_FREQ 14318 /* .18 */
#define TGA_PLL_MAX_FREQ 230000
/*
* Useful defines for managing the BT485 on the 8-plane TGA
*/
#define BT485_READ_BIT 0x01
#define BT485_WRITE_BIT 0x00
#define BT485_ADDR_PAL_WRITE 0x00
#define BT485_DATA_PAL 0x02
#define BT485_PIXEL_MASK 0x04
#define BT485_ADDR_PAL_READ 0x06
#define BT485_ADDR_CUR_WRITE 0x08
#define BT485_DATA_CUR 0x0a
#define BT485_CMD_0 0x0c
#define BT485_ADDR_CUR_READ 0x0e
#define BT485_CMD_1 0x10
#define BT485_CMD_2 0x12
#define BT485_STATUS 0x14
#define BT485_CMD_3 0x14
#define BT485_CUR_RAM 0x16
#define BT485_CUR_LOW_X 0x18
#define BT485_CUR_HIGH_X 0x1a
#define BT485_CUR_LOW_Y 0x1c
#define BT485_CUR_HIGH_Y 0x1e
/*
* Useful defines for managing the BT463 on the 24-plane TGAs
*/
#define BT463_ADDR_LO 0x0
#define BT463_ADDR_HI 0x1
#define BT463_REG_ACC 0x2
#define BT463_PALETTE 0x3
#define BT463_CUR_CLR_0 0x0100
#define BT463_CUR_CLR_1 0x0101
#define BT463_CMD_REG_0 0x0201
#define BT463_CMD_REG_1 0x0202
#define BT463_CMD_REG_2 0x0203
#define BT463_READ_MASK_0 0x0205
#define BT463_READ_MASK_1 0x0206
#define BT463_READ_MASK_2 0x0207
#define BT463_READ_MASK_3 0x0208
#define BT463_BLINK_MASK_0 0x0209
#define BT463_BLINK_MASK_1 0x020a
#define BT463_BLINK_MASK_2 0x020b
#define BT463_BLINK_MASK_3 0x020c
#define BT463_WINDOW_TYPE_BASE 0x0300
/*
* The framebuffer driver private data.
*/
struct tga_par {
/* PCI device. */
struct pci_dev *pdev;
/* Device dependent information. */
void *tga_mem_base;
void *tga_fb_base;
void *tga_regs_base;
u8 tga_type; /* TGA_TYPE_XXX */
u8 tga_chip_rev; /* dc21030 revision */
/* Remember blank mode. */
u8 vesa_blanked;
/* Define the video mode. */
u32 xres, yres; /* resolution in pixels */
u32 htimings; /* horizontal timing register */
u32 vtimings; /* vertical timing register */
u32 pll_freq; /* pixclock in mhz */
u32 bits_per_pixel; /* bits per pixel */
u32 sync_on_green; /* set if sync is on green */
};
/*
* Macros for reading/writing TGA and RAMDAC registers
*/
static inline void
TGA_WRITE_REG(struct tga_par *par, u32 v, u32 r)
{
writel(v, par->tga_regs_base +r);
}
static inline u32
TGA_READ_REG(struct tga_par *par, u32 r)
{
return readl(par->tga_regs_base +r);
}
static inline void
BT485_WRITE(struct tga_par *par, u8 v, u8 r)
{
TGA_WRITE_REG(par, r, TGA_RAMDAC_SETUP_REG);
TGA_WRITE_REG(par, v | (r << 8), TGA_RAMDAC_REG);
}
static inline void
BT463_LOAD_ADDR(struct tga_par *par, u16 a)
{
TGA_WRITE_REG(par, BT463_ADDR_LO<<2, TGA_RAMDAC_SETUP_REG);
TGA_WRITE_REG(par, (BT463_ADDR_LO<<10) | (a & 0xff), TGA_RAMDAC_REG);
TGA_WRITE_REG(par, BT463_ADDR_HI<<2, TGA_RAMDAC_SETUP_REG);
TGA_WRITE_REG(par, (BT463_ADDR_HI<<10) | (a >> 8), TGA_RAMDAC_REG);
}
static inline void
BT463_WRITE(struct tga_par *par, u32 m, u16 a, u8 v)
{
BT463_LOAD_ADDR(par, a);
TGA_WRITE_REG(par, m << 2, TGA_RAMDAC_SETUP_REG);
TGA_WRITE_REG(par, m << 10 | v, TGA_RAMDAC_REG);
}
#endif /* TGAFB_H */
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