Skip to content

L
linux
Commit 8574c79d authored by James Simmons's avatar James Simmons
Browse files
Options

Several fixes relating to modules. Ported over the vga16fb driver to the new api.

parent 622a411c
Show whitespace changes
Inline Side-by-side
Showing with 408 additions and 303 deletions
drivers/video/Makefile
View file @ 8574c79d
......@@ -50,7 +50,7 @@ obj-$(CONFIG_FB_TRIDENT) += tridentfb.o
obj-$(CONFIG_FB_S3TRIO) += S3triofb.o
obj-$(CONFIG_FB_TGA) += tgafb.o
obj-$(CONFIG_FB_VESA) += vesafb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
obj-$(CONFIG_FB_VGA16) += vga16fb.o fbcon-vga-planes.o
obj-$(CONFIG_FB_VGA16) += vga16fb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
obj-$(CONFIG_FB_VIRGE) += virgefb.o
obj-$(CONFIG_FB_G364) += g364fb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
obj-$(CONFIG_FB_FM2) += fm2fb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
......
drivers/video/aty/atyfb_base.c
View file @ 8574c79d
......@@ -2633,15 +2633,15 @@ void cleanup_module(void)
if (info->screen_base)
iounmap((void *) info->screen_base);
#ifdef __BIG_ENDIAN
if (info->cursor && info->cursor->ram)
iounmap(info->cursor->ram);
if (par->cursor && par->cursor->ram)
iounmap(par->cursor->ram);
#endif
#endif
if (info->cursor) {
if (info->cursor->timer)
kfree(info->cursor->timer);
kfree(info->cursor);
if (par->cursor) {
if (par->cursor->timer)
kfree(par->cursor->timer);
kfree(par->cursor);
}
#ifdef __sparc__
if (par->mmap_map)
......
drivers/video/console/Kconfig
View file @ 8574c79d
......@@ -120,13 +120,13 @@ config FBCON_ADVANCED
config FBCON_ACCEL
tristate "Hardware acceleration support" if FBCON_ADVANCED
depends on FB
default m if !FBCON_ADVANCED && FB_NEOMAGIC!=y && !FB_VESA && !FB_FM2 && FB_HIT!=y && !FB_HP300 && !FB_Q40 && !FB_ANAKIN && !FB_G364 && FB_VIRTUAL!=y && !FB_CLPS711X && !FB_PMAG_BA && !FB_PMAGB_B && FB_3DFX!=y && !FB_TX3912 && !FB_MAXINE && !FB_APOLLO && FB_ATY!=y && !FB_MAC && FB_RIVA!=y && FB_HGA!=y && !FB_OF && FB_SGIVW!=y && (FB_NEOMAGIC=m || FB_HIT=m || FB_VIRTUAL=m || FB_3DFX=m || FB_RIVA=m || FB_SGIVW=m || FB_HGA=m)
default y if !FBCON_ADVANCED && (FB_NEOMAGIC=y || FB_VESA || FB_FM2 || FB_HIT=y || FB_HP300 || FB_Q40 || FB_ANAKIN || FB_G364 || FB_VIRTUAL=y || FB_CLPS711X || FB_PMAG_BA || FB_PMAGB_B || FB_3DFX=y || FB_TX3912 || FB_MAXINE || FB_APOLLO || FB_ATY=y || FB_MAC || FB_RIVA=y || FB_OF || FB_SGIVW=y || FB_HGA=y)
depends on FRAMEBUFFER_CONSOLE
default m if !FBCON_ADVANCED && FB_NEOMAGIC!=y && !FB_VESA && !FB_FM2 && FB_HIT!=y && !FB_HP300 && !FB_Q40 && !FB_ANAKIN && !FB_G364 && FB_VIRTUAL!=y && !FB_CLPS711X && !FB_PMAG_BA && !FB_PMAGB_B && FB_3DFX!=y && !FB_TX3912 && !FB_MAXINE && !FB_APOLLO && FB_ATY!=y && !FB_MAC && FB_RIVA!=y && FB_HGA!=y && !FB_OF && FB_SGIVW!=y && FB_VGA16!=y && (FB_NEOMAGIC=m || FB_HIT=m || FB_VIRTUAL=m || FB_3DFX=m || FB_RIVA=m || FB_SGIVW=m || FB_HGA=m)
default y if !FBCON_ADVANCED && (FB_NEOMAGIC=y || FB_VESA || FB_FM2 || FB_HIT=y || FB_HP300 || FB_Q40 || FB_ANAKIN || FB_G364 || FB_VIRTUAL=y || FB_CLPS711X || FB_PMAG_BA || FB_PMAGB_B || FB_3DFX=y || FB_TX3912 || FB_MAXINE || FB_APOLLO || FB_ATY=y || FB_MAC || FB_RIVA=y || FB_OF || FB_SGIVW=y || FB_HGA=y || FB_VGA16)
config FBCON_AFB
tristate "Amiga bitplanes support" if FBCON_ADVANCED
depends on FB
depends on FRAMEBUFFER_CONSOLE
default m if !FBCON_ADVANCED && FB_AMIGA=m
default y if !FBCON_ADVANCED && FB_AMIGA=y
help
......@@ -135,7 +135,7 @@ config FBCON_AFB
config FBCON_ILBM
tristate "Amiga interleaved bitplanes support" if FBCON_ADVANCED
depends on FB
depends on FRAMEBUFFER_CONSOLE
default m if !FBCON_ADVANCED && FB_AMIGA=m
default y if !FBCON_ADVANCED && FB_AMIGA=y
help
......@@ -144,7 +144,7 @@ config FBCON_ILBM
config FBCON_IPLAN2P2
tristate "Atari interleaved bitplanes (2 planes) support" if FBCON_ADVANCED
depends on FB
depends on FRAMEBUFFER_CONSOLE
default y if !FBCON_ADVANCED && FB_ATARI
help
This is the low level frame buffer console driver for 2 interleaved
......@@ -152,7 +152,7 @@ config FBCON_IPLAN2P2
config FBCON_IPLAN2P4
tristate "Atari interleaved bitplanes (4 planes) support" if FBCON_ADVANCED
depends on FB
depends on FRAMEBUFFER_CONSOLE
default y if !FBCON_ADVANCED && FB_ATARI
help
This is the low level frame buffer console driver for 4 interleaved
......@@ -160,7 +160,7 @@ config FBCON_IPLAN2P4
config FBCON_IPLAN2P8
tristate "Atari interleaved bitplanes (8 planes) support" if FBCON_ADVANCED
depends on FB
depends on FRAMEBUFFER_CONSOLE
default y if !FBCON_ADVANCED && FB_ATARI
help
This is the low level frame buffer console driver for 8 interleaved
......@@ -169,7 +169,7 @@ config FBCON_IPLAN2P8
# Guess what we need
config FBCON_STI
tristate
depends on !FBCON_ADVANCED && FB_STI
depends on !FBCON_ADVANCED && FRAMEBUFFER_CONSOLE && FB_STI
default y
config FBCON_FONTWIDTH8_ONLY
......
drivers/video/console/vgacon.c
View file @ 8574c79d
......@@ -844,8 +844,8 @@ vgacon_do_font_op(char *arg, int set, int ch512)
static int
vgacon_adjust_height(unsigned fontheight)
{
int rows, maxscan;
unsigned char ovr, vde, fsr;
int rows, maxscan, i;
if (fontheight == vga_video_font_height)
return 0;
......
drivers/video/fbmem.c
View file @ 8574c79d
......@@ -771,8 +771,8 @@ static devfs_handle_t devfs_handle;
int
register_framebuffer(struct fb_info *fb_info)
{
static int fb_ever_opened[FB_MAX];
#ifdef CONFIG_FRAMEBUFFER_CONSOLE
static int fb_ever_opened[FB_MAX];
static int first = 1;
int j;
#endif
......@@ -788,9 +788,9 @@ register_framebuffer(struct fb_info *fb_info)
fb_info->node = mk_kdev(FB_MAJOR, i);
fb_info->currcon = -1;
registered_fb[i] = fb_info;
#ifdef CONFIG_FRAMEBUFFER_CONSOLE
if (!fb_ever_opened[i]) {
struct module *owner = fb_info->fbops->owner;
#ifdef CONFIG_FRAMEBUFFER_CONSOLE
/*
* We assume initial frame buffer devices can be opened this
* many times
......@@ -813,14 +813,6 @@ register_framebuffer(struct fb_info *fb_info)
first = 0;
take_over_console(&fb_con, first_fb_vc, last_fb_vc, fbcon_is_default);
}
#else
if (owner) {
__MOD_INC_USE_COUNT(owner);
if (fb_info->fbops->fb_open && fb_info->fbops->fb_open(fb_info,0))
__MOD_DEC_USE_COUNT(owner);
}
fb_ever_opened[i] = 1;
}
#endif
sprintf (name_buf, "%d", i);
fb_info->devfs_handle =
......
drivers/video/vga16fb.c
View file @ 8574c79d
......@@ -22,19 +22,16 @@
#include <linux/init.h>
#include <asm/io.h>
#include <video/fbcon.h>
#include "fbcon-accel.h"
#include "vga.h"
#define GRAPHICS_ADDR_REG 0x3ce /* Graphics address register. */
#define GRAPHICS_DATA_REG 0x3cf /* Graphics data register. */
#define GRAPHICS_ADDR_REG VGA_GFX_I /* Graphics address register. */
#define GRAPHICS_DATA_REG VGA_GFX_D /* Graphics data register. */
#define SET_RESET_INDEX 0 /* Set/Reset Register index. */
#define ENABLE_SET_RESET_INDEX 1 /* Enable Set/Reset Register index. */
#define DATA_ROTATE_INDEX 3 /* Data Rotate Register index. */
#define GRAPHICS_MODE_INDEX 5 /* Graphics Mode Register index. */
#define BIT_MASK_INDEX 8 /* Bit Mask Register index. */
#define SET_RESET_INDEX VGA_GFX_SR_VALUE /* Set/Reset Register index. */
#define ENABLE_SET_RESET_INDEX VGA_GFX_SR_ENABLE /* Enable Set/Reset Register index. */
#define DATA_ROTATE_INDEX VGA_GFX_DATA_ROTATE /* Data Rotate Register index. */
#define GRAPHICS_MODE_INDEX VGA_GFX_MODE /* Graphics Mode Register index. */
#define BIT_MASK_INDEX VGA_GFX_BIT_MASK /* Bit Mask Register index. */
#define dac_reg (VGA_PEL_IW)
#define dac_val (VGA_PEL_D)
......@@ -42,6 +39,11 @@
#define VGA_FB_PHYS 0xA0000
#define VGA_FB_PHYS_LEN 65536
#define MODE_SKIP4 1
#define MODE_8BPP 2
#define MODE_CFB 4
#define MODE_TEXT 8
/* --------------------------------------------------------------------- */
/*
......@@ -80,7 +82,7 @@ static struct fb_var_screeninfo vga16fb_defined = {
.xres_virtual = 640,
.yres_virtual = 480,
.bits_per_pixel = 4,
.activate = FB_ACTIVATE_NOW,
.activate = FB_ACTIVATE_TEST,
.height = -1,
.width = -1,
.pixclock = 39721,
......@@ -107,8 +109,6 @@ static struct fb_fix_screeninfo vga16fb_fix __initdata = {
.accel = FB_ACCEL_NONE
};
static struct display disp;
/* The VGA's weird architecture often requires that we read a byte and
write a byte to the same location. It doesn't matter *what* byte
we write, however. This is because all the action goes on behind
......@@ -126,70 +126,90 @@ static inline void rmw(volatile char *p)
writeb(1, p);
}
/* Set the Graphics Mode Register. Bits 0-1 are write mode, bit 3 is
read mode. */
static inline void setmode(int mode)
/* Set the Graphics Mode Register, and return its previous value.
Bits 0-1 are write mode, bit 3 is read mode. */
static inline int setmode(int mode)
{
outb(GRAPHICS_MODE_INDEX, GRAPHICS_ADDR_REG);
outb(mode, GRAPHICS_DATA_REG);
int oldmode;
vga_io_w(GRAPHICS_ADDR_REG, GRAPHICS_MODE_INDEX);
oldmode = vga_io_r(GRAPHICS_DATA_REG);
vga_io_w(GRAPHICS_DATA_REG, mode);
return oldmode;
}
/* Select the Bit Mask Register. */
static inline void selectmask(void)
/* Select the Bit Mask Register and return its value. */
static inline int selectmask(void)
{
outb(BIT_MASK_INDEX, GRAPHICS_ADDR_REG);
return vga_io_rgfx(BIT_MASK_INDEX);
}
/* Set the value of the Bit Mask Register. It must already have been
selected with selectmask(). */
static inline void setmask(int mask)
{
outb(mask, GRAPHICS_DATA_REG);
vga_io_w(GRAPHICS_DATA_REG, mask);
}
/* Set the Data Rotate Register. Bits 0-2 are rotate count, bits 3-4
are logical operation (0=NOP, 1=AND, 2=OR, 3=XOR). */
static inline void setop(int op)
/* Set the Data Rotate Register and return its old value.
Bits 0-2 are rotate count, bits 3-4 are logical operation
(0=NOP, 1=AND, 2=OR, 3=XOR). */
static inline int setop(int op)
{
outb(DATA_ROTATE_INDEX, GRAPHICS_ADDR_REG);
outb(op, GRAPHICS_DATA_REG);
int oldop;
vga_io_w(GRAPHICS_ADDR_REG, DATA_ROTATE_INDEX);
oldop = vga_io_r(GRAPHICS_DATA_REG);
vga_io_w(GRAPHICS_DATA_REG, op);
return oldop;
}
/* Set the Enable Set/Reset Register. The code here always uses value
0xf for this register. */
static inline void setsr(int sr)
/* Set the Enable Set/Reset Register and return its old value.
The code here always uses value 0xf for thsi register. */
static inline int setsr(int sr)
{
outb(ENABLE_SET_RESET_INDEX, GRAPHICS_ADDR_REG);
outb(sr, GRAPHICS_DATA_REG);
int oldsr;
vga_io_w(GRAPHICS_ADDR_REG, ENABLE_SET_RESET_INDEX);
oldsr = vga_io_r(GRAPHICS_DATA_REG);
vga_io_w(GRAPHICS_DATA_REG, sr);
return oldsr;
}
/* Set the Set/Reset Register. */
static inline void setcolor(int color)
/* Set the Set/Reset Register and return its old value. */
static inline int setcolor(int color)
{
outb(SET_RESET_INDEX, GRAPHICS_ADDR_REG);
outb(color, GRAPHICS_DATA_REG);
int oldcolor;
vga_io_w(GRAPHICS_ADDR_REG, SET_RESET_INDEX);
oldcolor = vga_io_r(GRAPHICS_DATA_REG);
vga_io_w(GRAPHICS_DATA_REG, color);
return oldcolor;
}
/* Return the value in the Graphics Address Register. */
static inline int getindex(void)
{
return vga_io_r(GRAPHICS_ADDR_REG);
}
/* Set the value in the Graphics Address Register. */
static inline void setindex(int index)
{
outb(index, GRAPHICS_ADDR_REG);
vga_io_w(GRAPHICS_ADDR_REG, index);
}
static void vga16fb_pan_var(struct fb_info *info,
struct fb_var_screeninfo *var)
{
struct display *p;
struct vga16fb_par *par = (struct vga16fb_par *) info->par;
u32 xoffset, pos;
p = (info->currcon < 0) ? info->disp : fb_display + info->currcon;
xoffset = var->xoffset;
if (info->var.bits_per_pixel == 8) {
pos = (info->var.xres_virtual * var->yoffset + xoffset) >> 2;
} else if (info->var.bits_per_pixel == 0) {
int fh = fontheight(p);
if (!fh) fh = 16;
} else if (par->mode & MODE_TEXT) {
int fh = 16; // FIXME !!! font height. Fugde for now.
pos = (info->var.xres_virtual * (var->yoffset / fh) + xoffset) >> 3;
} else {
if (info->var.nonstd)
......@@ -198,8 +218,8 @@ static void vga16fb_pan_var(struct fb_info *info,
}
vga_io_wcrt(VGA_CRTC_START_HI, pos >> 8);
vga_io_wcrt(VGA_CRTC_START_LO, pos & 0xFF);
/* if we support CFB4, then we must! support xoffset with pixel granularity */
/* if someone supports xoffset in bit resolution */
/* if we support CFB4, then we must! support xoffset with pixel
* granularity if someone supports xoffset in bit resolution */
vga_io_r(VGA_IS1_RC); /* reset flip-flop */
vga_io_w(VGA_ATT_IW, VGA_ATC_PEL);
if (var->bits_per_pixel == 8)
......@@ -210,12 +230,6 @@ static void vga16fb_pan_var(struct fb_info *info,
vga_io_w(VGA_ATT_IW, 0x20);
}
static int vga16fb_update_var(int con, struct fb_info *info)
{
vga16fb_pan_var(info, &info->var);
return 0;
}
static void vga16fb_update_fix(struct fb_info *info)
{
if (info->var.bits_per_pixel == 4) {
......@@ -243,47 +257,6 @@ static void vga16fb_update_fix(struct fb_info *info)
}
}
static void vga16fb_set_disp(int con, struct fb_info *info)
{
struct display *display;
display = (con < 0) ? info->disp : fb_display + con;
if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR ||
info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
display->can_soft_blank = info->fbops->fb_blank ? 1 : 0;
display->dispsw_data = NULL;
} else {
display->can_soft_blank = 0;
display->dispsw_data = info->pseudo_palette;
}
display->var = info->var;
vga16fb_update_fix(info);
display->next_line = info->fix.line_length;
display->can_soft_blank = 1;
display->inverse = 0;
switch (info->fix.type) {
case FB_TYPE_VGA_PLANES:
if (info->fix.type_aux == FB_AUX_VGA_PLANES_VGA4) {
display->dispsw = &fbcon_accel;
} else
#ifdef FBCON_HAS_VGA_PLANES
display->dispsw = &fbcon_vga8_planes;
#endif
break;
#ifdef FBCON_HAS_VGA
case FB_TYPE_TEXT:
display->dispsw = &fbcon_vga;
break;
#endif
default: /* only FB_TYPE_PACKED_PIXELS */
display->dispsw = &fbcon_accel;
break;
}
}
static void vga16fb_clock_chip(struct vga16fb_par *par,
unsigned int pixclock,
const struct fb_info *info,
......@@ -322,10 +295,6 @@ static void vga16fb_clock_chip(struct vga16fb_par *par,
#define FAIL(X) return -EINVAL
#define MODE_SKIP4 1
#define MODE_8BPP 2
#define MODE_CFB 4
#define MODE_TEXT 8
static int vga16fb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info)
{
......@@ -548,10 +517,13 @@ static int vga16fb_check_var(struct fb_var_screeninfo *var,
}
#undef FAIL
static void vga16fb_load_font(struct display* p) {
#ifdef FBCON_HAS_VGA
static void vga16fb_load_font(struct display* p)
{
int chars;
unsigned char* font;
unsigned char* dest;
int chars;
if (!p || !p->fontdata)
return;
......@@ -579,11 +551,11 @@ static void vga16fb_load_font(struct display* p) {
vga_io_wgfx(VGA_GFX_MODE, 0x10);
vga_io_wgfx(VGA_GFX_MISC, 0x06);
}
#endif
static int vga16fb_set_par(struct fb_info *info)
{
struct vga16fb_par *par = (struct vga16fb_par *) info->par;
struct display *p = (info->currcon < 0) ? info->disp : (fb_display + info->currcon);
u8 gdc[VGA_GFX_C];
u8 seq[VGA_SEQ_C];
u8 atc[VGA_ATT_C];
......@@ -637,9 +609,7 @@ static int vga16fb_set_par(struct fb_info *info)
atc[VGA_ATC_COLOR_PAGE] = 0x00;
if (par->mode & MODE_TEXT) {
fh = fontheight(p);
if (!fh)
fh = 16;
fh = 16; // FIXME !!! Fudge font height.
par->crtc[VGA_CRTC_MAX_SCAN] = (par->crtc[VGA_CRTC_MAX_SCAN]
& ~0x1F) | (fh - 1);
}
......@@ -689,9 +659,10 @@ static int vga16fb_set_par(struct fb_info *info)
vga_io_wattr(i, atc[i]);
}
#ifdef FBCON_HAS_VGA
if (par->mode & MODE_TEXT)
vga16fb_load_font(p);
#endif
/* Wait for screen to stabilize. */
mdelay(50);
......@@ -699,47 +670,8 @@ static int vga16fb_set_par(struct fb_info *info)
vga_io_r(VGA_IS1_RC);
vga_io_w(VGA_ATT_IW, 0x20);
return 0;
}
static int vga16fb_set_var(struct fb_var_screeninfo *var, int con,
struct fb_info *info)
{
struct display *display;
int err;
if (con < 0)
display = info->disp;
else
display = fb_display + con;
if ((err = vga16fb_check_var(var, info)) != 0)
return err;
if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) {
u32 oldxres, oldyres, oldvxres, oldvyres, oldbpp, oldnonstd;
oldxres = info->var.xres;
oldyres = info->var.yres;
oldvxres = info->var.xres_virtual;
oldvyres = info->var.yres_virtual;
oldbpp = info->var.bits_per_pixel;
oldnonstd = info->var.nonstd;
info->var = *var;
if (con == info->currcon)
vga16fb_set_par(info);
vga16fb_set_disp(con, info);
if (oldxres != var->xres ||
oldyres != var->yres ||
oldvxres != var->xres_virtual ||
oldvyres != var->yres_virtual ||
oldbpp != var->bits_per_pixel ||
oldnonstd != var->nonstd) {
if (info->changevar)
info->changevar(con);
}
}
vga16fb_update_fix(info);
return 0;
}
......@@ -782,10 +714,8 @@ static int vga16fb_setcolreg(unsigned regno, unsigned red, unsigned green,
if (regno >= 256)
return 1;
if (info->currcon < 0)
gray = info->disp->var.grayscale;
else
gray = fb_display[info->currcon].var.grayscale;
gray = info->var.grayscale;
if (gray) {
/* gray = 0.30*R + 0.59*G + 0.11*B */
red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
......@@ -797,14 +727,15 @@ static int vga16fb_setcolreg(unsigned regno, unsigned red, unsigned green,
return 0;
}
static int vga16fb_pan_display(struct fb_var_screeninfo *var, int con,
static int vga16fb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info)
{
if (var->xoffset + info->var.xres > info->var.xres_virtual ||
var->yoffset + info->var.yres > info->var.yres_virtual)
return -EINVAL;
if (con == info->currcon)
vga16fb_pan_var(info, var);
info->var.xoffset = var->xoffset;
info->var.yoffset = var->yoffset;
info->var.vmode &= ~FB_VMODE_YWRAP;
......@@ -968,6 +899,59 @@ static int vga16fb_blank(int blank, struct fb_info *info)
return 0;
}
void vga_8planes_fillrect(struct fb_info *info, struct fb_fillrect *rect)
{
char oldindex = getindex();
char oldmode = setmode(0x40);
char oldmask = selectmask();
int line_ofs, height;
char oldop, oldsr;
char *where;
rect->dx /= 4;
where = info->screen_base + rect->dx + rect->dy * info->fix.line_length;
if (rect->rop == ROP_COPY) {
oldop = setop(0);
oldsr = setsr(0);
rect->width /= 4;
line_ofs = info->fix.line_length - rect->width;
setmask(0xff);
height = rect->height;
while (height--) {
int x;
/* we can do memset... */
for (x = rect->width; x > 0; --x) {
writeb(rect->color, where);
where++;
}
where += line_ofs;
}
} else {
char oldcolor = setcolor(0xf);
int y;
oldop = setop(0x18);
oldsr = setsr(0xf);
setmask(0x0F);
for (y = 0; y < rect->height; y++) {
rmw(where);
rmw(where+1);
where += info->fix.line_length;
}
setcolor(oldcolor);
}
setmask(oldmask);
setsr(oldsr);
setop(oldop);
setmode(oldmode);
setindex(oldindex);
}
void vga16fb_fillrect(struct fb_info *info, struct fb_fillrect *rect)
{
int x, x2, y2, vxres, vyres, width, height, line_ofs;
......@@ -988,6 +972,10 @@ void vga16fb_fillrect(struct fb_info *info, struct fb_fillrect *rect)
y2 = y2 < vyres ? y2 : vyres;
rect->width = x2 - rect->dx;
switch (info->fix.type) {
case FB_TYPE_VGA_PLANES:
if (info->fix.type_aux == FB_AUX_VGA_PLANES_VGA4) {
height = y2 - rect->dy;
width = rect->width/8;
......@@ -1029,6 +1017,69 @@ void vga16fb_fillrect(struct fb_info *info, struct fb_fillrect *rect)
}
break;
}
} else
vga_8planes_fillrect(info, rect);
break;
#ifdef FBCON_HAS_VGA
case FB_TYPE_TEXT:
break;
#endif
case FB_TYPE_PACKED_PIXELS:
default:
cfb_fillrect(info, rect);
break;
}
}
void vga_8planes_copyarea(struct fb_info *info, struct fb_copyarea *area)
{
int height, line_ofs, x;
char oldindex = getindex();
char oldmode = setmode(0x41);
char oldop = setop(0);
char oldsr = setsr(0xf);
char *dest, *src;
height = area->height;
area->sx = area->sx / 4;
area->dx = area->dx / 4;
area->width = area->width / 4;
if (area->dy < area->sy || (area->dy == area->sy && area->dx < area->sx)) {
line_ofs = info->fix.line_length - area->width;
dest = info->screen_base + area->dx + area->dy * info->fix.line_length;
src = info->screen_base + area->sx + area->sy * info->fix.line_length;
while (height--) {
for (x = 0; x < area->width; x++) {
readb(src);
writeb(0, dest);
src++;
dest++;
}
src += line_ofs;
dest += line_ofs;
}
} else {
line_ofs = info->fix.line_length - area->width;
dest = info->screen_base + area->dx + area->width + (area->dy + height - 1) * info->fix.line_length;
src = info->screen_base + area->sx + area->width + (area->sy + height - 1) * info->fix.line_length;
while (height--) {
for (x = 0; x < area->width; x++) {
--src;
--dest;
readb(src);
writeb(0, dest);
}
src -= line_ofs;
dest -= line_ofs;
}
}
setsr(oldsr);
setop(oldop);
setmode(oldmode);
setindex(oldindex);
}
void vga16fb_copyarea(struct fb_info *info, struct fb_copyarea *area)
......@@ -1071,6 +1122,9 @@ void vga16fb_copyarea(struct fb_info *info, struct fb_copyarea *area)
(area->sy + area->height) > vyres)
return;
switch (info->fix.type) {
case FB_TYPE_VGA_PLANES:
if (info->fix.type_aux == FB_AUX_VGA_PLANES_VGA4) {
width = area->width/8;
height = area->height;
line_ofs = info->fix.line_length - width;
......@@ -1106,6 +1160,66 @@ void vga16fb_copyarea(struct fb_info *info, struct fb_copyarea *area)
dst -= line_ofs;
}
}
} else
vga_8planes_copyarea(info, area);
break;
#ifdef FBCON_HAS_VGA
case FB_TYPE_TEXT:
break;
#endif
case FB_TYPE_PACKED_PIXELS:
default:
cfb_copyarea(info, area);
break;
}
}
#ifdef __LITTLE_ENDIAN
static unsigned int transl_l[] =
{0x0,0x8,0x4,0xC,0x2,0xA,0x6,0xE,0x1,0x9,0x5,0xD,0x3,0xB,0x7,0xF};
static unsigned int transl_h[] =
{0x000, 0x800, 0x400, 0xC00, 0x200, 0xA00, 0x600, 0xE00,
0x100, 0x900, 0x500, 0xD00, 0x300, 0xB00, 0x700, 0xF00};
#else
#ifdef __BIG_ENDIAN
static unsigned int transl_h[] =
{0x0,0x8,0x4,0xC,0x2,0xA,0x6,0xE,0x1,0x9,0x5,0xD,0x3,0xB,0x7,0xF};
static unsigned int transl_l[] =
{0x000, 0x800, 0x400, 0xC00, 0x200, 0xA00, 0x600, 0xE00,
0x100, 0x900, 0x500, 0xD00, 0x300, 0xB00, 0x700, 0xF00};
#else
#error "Only __BIG_ENDIAN and __LITTLE_ENDIAN are supported in vga-planes"
#endif
#endif
void vga_8planes_imageblit(struct fb_info *info, struct fb_image *image)
{
char oldindex = getindex();
char oldmode = setmode(0x40);
char oldop = setop(0);
char oldsr = setsr(0);
char oldmask = selectmask();
u8 *cdat = image->data;
char *where;
int y;
image->dx /= 4;
where = info->screen_base + image->dx + image->dy * info->fix.line_length;
setmask(0xff);
writeb(image->bg_color, where);
readb(where);
selectmask();
setmask(image->fg_color ^ image->bg_color);
setmode(0x42);
setop(0x18);
for (y = 0; y < image->height; y++, where += info->fix.line_length)
writew(transl_h[cdat[y]&0xF] | transl_l[cdat[y] >> 4], where);
setmask(oldmask);
setsr(oldsr);
setop(oldop);
setmode(oldmode);
setindex(oldindex);
}
void vga16fb_imageblit(struct fb_info *info, struct fb_image *image)
......@@ -1115,6 +1229,9 @@ void vga16fb_imageblit(struct fb_info *info, struct fb_image *image)
u8 *cdat = image->data;
int y;
switch (info->fix.type) {
case FB_TYPE_VGA_PLANES:
if (info->fix.type_aux == FB_AUX_VGA_PLANES_VGA4) {
if (par->isVGA) {
setmode(2);
setop(0);
......@@ -1151,15 +1268,24 @@ void vga16fb_imageblit(struct fb_info *info, struct fb_image *image)
rmw(where);
}
}
} else
vga_8planes_imageblit(info, image);
break;
#ifdef FBCON_HAS_VGA
case FB_TYPE_TEXT:
break;
#endif
case FB_TYPE_PACKED_PIXELS:
default:
cfb_imageblit(info, image);
break;
}
}
static struct fb_ops vga16fb_ops = {
.owner = THIS_MODULE,
.fb_set_var = vga16fb_set_var,
.fb_check_var = vga16fb_check_var,
.fb_set_par = vga16fb_set_par,
.fb_get_cmap = gen_get_cmap,
.fb_set_cmap = gen_set_cmap,
.fb_setcolreg = vga16fb_setcolreg,
.fb_pan_display = vga16fb_pan_display,
.fb_blank = vga16fb_blank,
......@@ -1172,16 +1298,11 @@ int vga16fb_setup(char *options)
{
char *this_opt;
vga16fb.fontname[0] = '\0';
if (!options || !*options)
return 0;
while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt) continue;
if (!strncmp(this_opt, "font:", 5))
strcpy(vga16fb.fontname, this_opt+5);
}
return 0;
}
......@@ -1192,7 +1313,7 @@ int __init vga16fb_init(void)
printk(KERN_DEBUG "vga16fb: initializing\n");
/* XXX share VGA_FB_PHYS region with vgacon */
/* XXX share VGA_FB_PHYS and I/O region with vgacon and others */
vga16fb.screen_base = ioremap(VGA_FB_PHYS, VGA_FB_PHYS_LEN);
if (!vga16fb.screen_base) {
......@@ -1211,24 +1332,16 @@ int __init vga16fb_init(void)
vga16fb_defined.green.length = i;
vga16fb_defined.blue.length = i;
/* XXX share VGA I/O region with vgacon and others */
disp.var = vga16fb_defined;
/* name should not depend on EGA/VGA */
strcpy(vga16fb.modename, "VGA16 VGA");
vga16fb.changevar = NULL;
vga16fb.node = NODEV;
vga16fb.fbops = &vga16fb_ops;
vga16fb.var = vga16fb_defined;
vga16fb.fix = vga16fb_fix;
vga16fb.par = &vga16_par;
vga16fb.disp = &disp;
vga16fb.currcon = -1;
vga16fb.switch_con = gen_switch;
vga16fb.updatevar=&vga16fb_update_var;
vga16fb.flags=FBINFO_FLAG_DEFAULT;
vga16fb_set_disp(-1, &vga16fb);
vga16fb.flags = FBINFO_FLAG_DEFAULT;
i = (vga16fb_defined.bits_per_pixel == 8) ? 256 : 16;
fb_alloc_cmap(&vga16fb.cmap, i, 0);
if (register_framebuffer(&vga16fb) < 0) {
iounmap(vga16fb.screen_base);
......@@ -1236,7 +1349,7 @@ int __init vga16fb_init(void)
}
printk(KERN_INFO "fb%d: %s frame buffer device\n",
minor(vga16fb.node), vga16fb.modename);
minor(vga16fb.node), vga16fb.fix.id);
return 0;
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7