Commit 67bf3c24 authored by David S. Miller's avatar David S. Miller

[FRAMEBUFFER]: Convert cg14 driver to new APIs.

parent 57b55f79
......@@ -823,9 +823,9 @@ config FB_TCX
This is the frame buffer device driver for the TCX 24/8bit frame
buffer.
config FB_CGFOURTEEN
config FB_CG14
bool "CGfourteen (SX) support"
depends on FB_SBUS && SPARC32
depends on FB_SBUS
help
This is the frame buffer device driver for the CGfourteen frame
buffer on Desktop SPARCsystems with the SX graphics option.
......
......@@ -72,7 +72,6 @@ obj-$(CONFIG_FB_VOODOO1) += sstfb.o cfbfillrect.o cfbcopyarea.o cfbimgb
# One by one these are being converted over to the new APIs
#obj-$(CONFIG_FB_TCX) += tcxfb.o sbusfb.o
#obj-$(CONFIG_FB_CGFOURTEEN) += cgfourteenfb.o sbusfb.o
#obj-$(CONFIG_FB_P9100) += p9100fb.o sbusfb.o
#obj-$(CONFIG_FB_LEO) += leofb.o sbusfb.o
......@@ -82,6 +81,8 @@ obj-$(CONFIG_FB_CG3) += cg3.o sbuslib.o cfbimgblt.o cfbcopyarea.o
cfbfillrect.o
obj-$(CONFIG_FB_BW2) += bw2.o sbuslib.o cfbimgblt.o cfbcopyarea.o \
cfbfillrect.o
obj-$(CONFIG_FB_CG14) += cg14.o sbuslib.o cfbimgblt.o cfbcopyarea.o \
cfbfillrect.o
# Files generated that shall be removed upon make clean
clean-files := promcon_tbl.c
......
/* $Id: cgfourteenfb.c,v 1.11 2001/09/19 00:04:33 davem Exp $
* cgfourteenfb.c: CGfourteen frame buffer driver
/* cg14.c: CGFOURTEEN frame buffer driver
*
* Copyright (C) 2003 David S. Miller (davem@redhat.com)
* Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
* Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx)
*
* Driver layout based loosely on tgafb.c, see that file for credits.
*/
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.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/selection.h>
#include <linux/fb.h>
#include <linux/mm.h>
#include <video/sbusfb.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/uaccess.h>
#include <asm/sbus.h>
#include <asm/oplib.h>
#include <asm/fbio.h>
#include "sbuslib.h"
/*
* Local functions.
*/
static int cg14_check_var(struct fb_var_screeninfo *, struct fb_info *);
static int cg14_set_par(struct fb_info *);
static int cg14_setcolreg(unsigned, unsigned, unsigned, unsigned,
unsigned, struct fb_info *);
#include <video/fbcon-cfb8.h>
static int cg14_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
static int cg14_ioctl(struct inode *, struct file *, unsigned int,
unsigned long, struct fb_info *);
/*
* Frame buffer operations
*/
static struct fb_ops cg14_ops = {
.owner = THIS_MODULE,
.fb_check_var = cg14_check_var,
.fb_set_par = cg14_set_par,
.fb_setcolreg = cg14_setcolreg,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
.fb_mmap = cg14_mmap,
.fb_ioctl = cg14_ioctl,
.fb_cursor = soft_cursor,
};
#define CG14_MCR_INTENABLE_SHIFT 7
#define CG14_MCR_INTENABLE_MASK 0x80
......@@ -72,8 +99,6 @@
#define CG14_MCR_PIXMODE_16 2
#define CG14_MCR_PIXMODE_32 3
MODULE_LICENSE("GPL");
struct cg14_regs{
volatile u8 mcr; /* Master Control Reg */
volatile u8 ppr; /* Packed Pixel Reg */
......@@ -161,285 +186,412 @@ struct cg14_clut {
u32 c_clutd_inc [256];
};
static struct sbus_mmap_map cg14_mmap_map[] __initdata = {
{ CG14_REGS, 0x80000000, 0x1000 },
{ CG14_XLUT, 0x80003000, 0x1000 },
{ CG14_CLUT1, 0x80004000, 0x1000 },
{ CG14_CLUT2, 0x80005000, 0x1000 },
{ CG14_CLUT3, 0x80006000, 0x1000 },
{ CG3_MMAP_OFFSET -
0x7000, 0x80000000, 0x7000 },
{ CG3_MMAP_OFFSET, 0x00000000, SBUS_MMAP_FBSIZE(1) },
{ MDI_CURSOR_MAP, 0x80001000, 0x1000 },
{ MDI_CHUNKY_BGR_MAP, 0x01000000, 0x400000 },
{ MDI_PLANAR_X16_MAP, 0x02000000, 0x200000 },
{ MDI_PLANAR_C16_MAP, 0x02800000, 0x200000 },
{ MDI_PLANAR_X32_MAP, 0x03000000, 0x100000 },
{ MDI_PLANAR_B32_MAP, 0x03400000, 0x100000 },
{ MDI_PLANAR_G32_MAP, 0x03800000, 0x100000 },
{ MDI_PLANAR_R32_MAP, 0x03c00000, 0x100000 },
{ 0, 0, 0 }
#define CG14_MMAP_ENTRIES 16
struct cg14_par {
spinlock_t lock;
struct cg14_regs *regs;
struct cg14_clut *clut;
struct cg14_cursor *cursor;
u32 flags;
#define CG14_FLAG_BLANKED 0x00000001
unsigned long physbase;
unsigned long iospace;
unsigned long fbsize;
struct sbus_mmap_map mmap_map[CG14_MMAP_ENTRIES];
int mode;
int ramsize;
struct sbus_dev *sdev;
struct list_head list;
};
static void cg14_loadcmap (struct fb_info_sbusfb *fb, struct display *p,
int index, int count)
static void __cg14_reset(struct cg14_par *par)
{
struct cg14_clut *clut = fb->s.cg14.clut;
unsigned long flags;
spin_lock_irqsave(&fb->lock, flags);
for (; count--; index++) {
u32 val;
val = ((fb->color_map CM(index,2) << 16) |
(fb->color_map CM(index,1) << 8) |
(fb->color_map CM(index,0)));
sbus_writel(val, &clut->c_clut[index]);
}
spin_unlock_irqrestore(&fb->lock, flags);
struct cg14_regs *regs = par->regs;
u8 val;
val = sbus_readb(&regs->mcr);
val &= ~(CG14_MCR_PIXMODE_MASK);
sbus_writeb(val, &regs->mcr);
}
static void cg14_margins (struct fb_info_sbusfb *fb, struct display *p,
int x_margin, int y_margin)
/**
* cg14_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 int cg14_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
fb->info.screen_base += (y_margin - fb->y_margin) *
fb->info.fix.line_length + (x_margin - fb->x_margin);
if (var->bits_per_pixel != 8)
return -EINVAL;
if (var->xres_virtual != var->xres || var->yres_virtual != var->yres)
return -EINVAL;
if (var->nonstd)
return -EINVAL;
if ((var->vmode & FB_VMODE_MASK) != FB_VMODE_NONINTERLACED)
return -EINVAL;
if (var->xres != info->var.xres || var->yres != info->var.yres)
return -EINVAL;
return 0;
}
static void cg14_setcursormap (struct fb_info_sbusfb *fb, u8 *red, u8 *green, u8 *blue)
/**
* cg14_set_par - Optional function. Alters the hardware state.
* @info: frame buffer structure that represents a single frame buffer
*/
static int
cg14_set_par(struct fb_info *info)
{
struct cg14_cursor *cur = fb->s.cg14.cursor;
unsigned long flags;
spin_lock_irqsave(&fb->lock, flags);
sbus_writel(((red[0]) | (green[0] << 8) | (blue[0] << 16)), &cur->color0);
sbus_writel(((red[1]) | (green[1] << 8) | (blue[1] << 16)), &cur->color1);
spin_unlock_irqrestore(&fb->lock, flags);
return 0;
}
/* Set cursor shape */
static void cg14_setcurshape (struct fb_info_sbusfb *fb)
/**
* cg14_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 cg14_setcolreg(unsigned regno,
unsigned red, unsigned green, unsigned blue,
unsigned transp, struct fb_info *info)
{
struct cg14_cursor *cur = fb->s.cg14.cursor;
struct cg14_par *par = (struct cg14_par *) info->par;
struct cg14_clut *clut = par->clut;
unsigned long flags;
int i;
u32 val;
spin_lock_irqsave(&fb->lock, flags);
for (i = 0; i < 32; i++){
sbus_writel(fb->cursor.bits[0][i], &cur->cpl0[i]);
sbus_writel(fb->cursor.bits[1][i], &cur->cpl1[i]);
}
spin_unlock_irqrestore(&fb->lock, flags);
}
if (regno >= 256)
return 1;
/* Load cursor information */
static void cg14_setcursor (struct fb_info_sbusfb *fb)
{
struct cg_cursor *c = &fb->cursor;
struct cg14_cursor *cur = fb->s.cg14.cursor;
unsigned long flags;
spin_lock_irqsave(&fb->lock, flags);
if (c->enable) {
u8 tmp = sbus_readb(&cur->ccr);
val = (red | (green << 8) | (blue << 16));
tmp |= CG14_CCR_ENABLE;
sbus_writeb(tmp, &cur->ccr);
} else {
u8 tmp = sbus_readb(&cur->ccr);
spin_lock_irqsave(&par->lock, flags);
sbus_writel(val, &clut->c_clut[regno]);
spin_unlock_irqrestore(&par->lock, flags);
tmp &= ~CG14_CCR_ENABLE;
sbus_writeb(tmp, &cur->ccr);
}
sbus_writew(((c->cpos.fbx - c->chot.fbx) & 0xfff), &cur->cursx);
sbus_writew(((c->cpos.fby - c->chot.fby) & 0xfff), &cur->cursy);
spin_unlock_irqrestore(&fb->lock, flags);
return 0;
}
static void cg14_switch_from_graph (struct fb_info_sbusfb *fb)
static int cg14_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
{
unsigned long flags;
struct cg14_par *par = (struct cg14_par *) info->par;
spin_lock_irqsave(&fb->lock, flags);
/* Set the 8-bpp mode */
if (fb->open && fb->mmaped){
volatile char *mcr = &fb->s.cg14.regs->mcr;
char tmp;
fb->s.cg14.mode = 8;
tmp = sbus_readb(mcr);
tmp &= ~(CG14_MCR_PIXMODE_MASK);
sbus_writeb(tmp, mcr);
}
spin_unlock_irqrestore(&fb->lock, flags);
return sbusfb_mmap_helper(par->mmap_map,
par->physbase, par->fbsize,
par->iospace, vma);
}
static void cg14_reset (struct fb_info_sbusfb *fb)
static int cg14_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
unsigned long arg, struct fb_info *info)
{
volatile char *mcr = &fb->s.cg14.regs->mcr;
struct cg14_par *par = (struct cg14_par *) info->par;
struct cg14_regs *regs = par->regs;
struct mdi_cfginfo kmdi, *mdii;
unsigned long flags;
char tmp;
spin_lock_irqsave(&fb->lock, flags);
tmp = sbus_readb(mcr);
tmp &= ~(CG14_MCR_PIXMODE_MASK);
sbus_writeb(tmp, mcr);
spin_unlock_irqrestore(&fb->lock, flags);
}
int cur_mode, mode, ret = 0;
static int cg14_ioctl (struct fb_info_sbusfb *fb, unsigned int cmd, unsigned long arg)
{
volatile char *mcr = &fb->s.cg14.regs->mcr;
struct mdi_cfginfo *mdii;
unsigned long flags;
int mode, ret = 0;
char tmp;
switch (cmd) {
case MDI_RESET:
spin_lock_irqsave(&fb->lock, flags);
tmp = sbus_readb(mcr);
tmp &= ~CG14_MCR_PIXMODE_MASK;
sbus_writeb(tmp, mcr);
spin_unlock_irqrestore(&fb->lock, flags);
spin_lock_irqsave(&par->lock, flags);
__cg14_reset(par);
spin_unlock_irqrestore(&par->lock, flags);
break;
case MDI_GET_CFGINFO:
mdii = (struct mdi_cfginfo *)arg;
if (put_user(FBTYPE_MDICOLOR, &mdii->mdi_type) ||
__put_user(fb->type.fb_height, &mdii->mdi_height) ||
__put_user(fb->type.fb_width, &mdii->mdi_width) ||
__put_user(fb->s.cg14.mode, &mdii->mdi_mode) ||
__put_user(72, &mdii->mdi_pixfreq) || /* FIXME */
__put_user(fb->s.cg14.ramsize, &mdii->mdi_size))
return -EFAULT;
memset(&kmdi, 0, sizeof(kmdi));
spin_lock_irqsave(&par->lock, flags);
kmdi.mdi_type = FBTYPE_MDICOLOR;
kmdi.mdi_height = info->var.yres;
kmdi.mdi_width = info->var.xres;
kmdi.mdi_mode = par->mode;
kmdi.mdi_pixfreq = 72; /* FIXME */
kmdi.mdi_size = par->ramsize;
spin_unlock_irqrestore(&par->lock, flags);
mdii = (struct mdi_cfginfo *) arg;
if (copy_to_user(mdii, &kmdi, sizeof(kmdi)))
ret = -EFAULT;
break;
case MDI_SET_PIXELMODE:
if (get_user(mode, (int *)arg))
return -EFAULT;
if (get_user(mode, (int *) arg)) {
ret = -EFAULT;
break;
}
spin_lock_irqsave(&fb->lock, flags);
tmp = sbus_readb(mcr);
switch (mode){
spin_lock_irqsave(&par->lock, flags);
cur_mode = sbus_readb(&regs->mcr);
cur_mode &= ~CG14_MCR_PIXMODE_MASK;
switch(mode) {
case MDI_32_PIX:
tmp = (tmp & ~CG14_MCR_PIXMODE_MASK) |
(CG14_MCR_PIXMODE_32 << CG14_MCR_PIXMODE_SHIFT);
cur_mode |= (CG14_MCR_PIXMODE_32 <<
CG14_MCR_PIXMODE_SHIFT);
break;
case MDI_16_PIX:
tmp = (tmp & ~CG14_MCR_PIXMODE_MASK) | 0x20;
cur_mode |= 0x20;
break;
case MDI_8_PIX:
tmp = (tmp & ~CG14_MCR_PIXMODE_MASK);
break;
default:
ret = -ENOSYS;
break;
};
if (ret == 0) {
sbus_writeb(tmp, mcr);
fb->s.cg14.mode = mode;
if (!ret) {
sbus_writeb(cur_mode, &regs->mcr);
par->mode = mode;
}
spin_unlock_irqrestore(&fb->lock, flags);
spin_unlock_irqrestore(&par->lock, flags);
break;
default:
ret = -EINVAL;
break;
};
return ret;
}
static unsigned long __init get_phys(unsigned long addr)
{
return __get_phys(addr);
}
/*
* Initialisation
*/
static int __init get_iospace(unsigned long addr)
static void cg14_init_fix(struct fb_info *info, int linebytes)
{
return __get_iospace(addr);
struct cg14_par *par = (struct cg14_par *)info->par;
strncpy(info->fix.id, par->sdev->prom_name, sizeof(info->fix.id) - 1);
info->fix.id[sizeof(info->fix.id)-1] = 0;
info->fix.type = FB_TYPE_PACKED_PIXELS;
info->fix.visual = FB_VISUAL_TRUECOLOR;
info->fix.line_length = linebytes;
info->fix.accel = FB_ACCEL_SUN_CG14;
}
static char idstring[60] __initdata = { 0 };
static struct sbus_mmap_map __cg14_mmap_map[CG14_MMAP_ENTRIES] __initdata = {
{ CG14_REGS, 0x80000000, 0x1000 },
{ CG14_XLUT, 0x80003000, 0x1000 },
{ CG14_CLUT1, 0x80004000, 0x1000 },
{ CG14_CLUT2, 0x80005000, 0x1000 },
{ CG14_CLUT3, 0x80006000, 0x1000 },
{ CG3_MMAP_OFFSET -
0x7000, 0x80000000, 0x7000 },
{ CG3_MMAP_OFFSET, 0x00000000, SBUS_MMAP_FBSIZE(1) },
{ MDI_CURSOR_MAP, 0x80001000, 0x1000 },
{ MDI_CHUNKY_BGR_MAP, 0x01000000, 0x400000 },
{ MDI_PLANAR_X16_MAP, 0x02000000, 0x200000 },
{ MDI_PLANAR_C16_MAP, 0x02800000, 0x200000 },
{ MDI_PLANAR_X32_MAP, 0x03000000, 0x100000 },
{ MDI_PLANAR_B32_MAP, 0x03400000, 0x100000 },
{ MDI_PLANAR_G32_MAP, 0x03800000, 0x100000 },
{ MDI_PLANAR_R32_MAP, 0x03c00000, 0x100000 },
{ 0, 0, 0 }
};
struct all_info {
struct fb_info info;
struct cg14_par par;
struct list_head list;
};
static LIST_HEAD(cg14_list);
char __init *cgfourteenfb_init(struct fb_info_sbusfb *fb)
static void cg14_init_one(struct sbus_dev *sdev, int node, int parent_node)
{
struct fb_fix_screeninfo *fix = &fb->info.fix;
struct display *disp = &fb->disp;
struct fbtype *type = &fb->type;
unsigned long rphys, phys;
struct all_info *all;
unsigned long phys, rphys;
u32 bases[6];
int is_8mb, i;
int is_8mb, linebytes, i;
if (!sdev) {
prom_getproperty(node, "address",
(char *) &bases[0], sizeof(bases));
if (!bases[0]) {
printk(KERN_ERR "cg14: Device is not mapped.\n");
return;
}
if (__get_iospace(bases[0]) != __get_iospace(bases[1])) {
printk(KERN_ERR "cg14: I/O spaces don't match.\n");
return;
}
}
#ifndef FBCON_HAS_CFB8
return NULL;
#endif
prom_getproperty (fb->prom_node, "address", (char *) &bases[0], 8);
if (!bases[0]) {
printk("cg14 not mmaped\n");
return NULL;
all = kmalloc(sizeof(*all), GFP_KERNEL);
if (!all) {
printk(KERN_ERR "cg14: Cannot allocate memory.\n");
return;
}
if (get_iospace(bases[0]) != get_iospace(bases[1])) {
printk("Ugh. cg14 iospaces don't match\n");
return NULL;
memset(all, 0, sizeof(*all));
INIT_LIST_HEAD(&all->list);
spin_lock_init(&all->par.lock);
sbusfb_fill_var(&all->info.var, node, 8);
linebytes = prom_getintdefault(sdev->prom_node, "linebytes",
all->info.var.xres);
all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
all->par.sdev = sdev;
if (sdev) {
rphys = sdev->reg_addrs[0].phys_addr;
all->par.physbase = phys = sdev->reg_addrs[1].phys_addr;
all->par.iospace = sdev->reg_addrs[0].which_io;
all->par.regs = (struct cg14_regs *)
sbus_ioremap(&sdev->resource[0], 0,
sizeof(struct cg14_regs),
"cg14 regs");
all->par.clut = (struct cg14_clut *)
sbus_ioremap(&sdev->resource[0], CG14_CLUT1,
sizeof(struct cg14_clut),
"cg14 clut");
all->par.cursor = (struct cg14_cursor *)
sbus_ioremap(&sdev->resource[0], CG14_CURSORREGS,
sizeof(struct cg14_cursor),
"cg14 cursor");
all->info.screen_base = (char *)
sbus_ioremap(&sdev->resource[1], 0,
all->par.fbsize, "cg14 ram");
} else {
rphys = __get_phys(bases[0]);
all->par.physbase = phys = __get_phys(bases[1]);
all->par.iospace = __get_iospace(bases[0]);
all->par.regs = (struct cg14_regs *)(unsigned long)bases[0];
all->par.clut = (struct cg14_clut *)((unsigned long)bases[0] +
CG14_CLUT1);
all->par.cursor =
(struct cg14_cursor *)((unsigned long)bases[0] +
CG14_CURSORREGS);
all->info.screen_base = (char *)(unsigned long)bases[1];
}
fb->physbase = phys = get_phys(bases[1]);
rphys = get_phys(bases[0]);
fb->iospace = get_iospace(bases[0]);
fb->s.cg14.regs = (struct cg14_regs *)(unsigned long)bases[0];
fb->s.cg14.clut = (void *)((unsigned long)bases[0]+CG14_CLUT1);
fb->s.cg14.cursor = (void *)((unsigned long)bases[0]+CG14_CURSORREGS);
fb->info.screen_base = (char *)bases[1];
/* CG14_VCA_8MB_MASK is not correctly set on the 501-2482
* VSIMM, so we read the memory size from the PROM
*/
prom_getproperty(fb->prom_node, "reg", (char *) &bases[0], 24);
is_8mb = bases[5] == 0x800000;
fb->mmap_map = kmalloc(sizeof(cg14_mmap_map), GFP_KERNEL);
if (!fb->mmap_map)
return NULL;
for (i = 0; ; i++) {
fb->mmap_map[i].voff = cg14_mmap_map[i].voff;
fb->mmap_map[i].poff = (cg14_mmap_map[i].poff & 0x80000000) ?
(cg14_mmap_map[i].poff & 0x7fffffff) + rphys - phys :
cg14_mmap_map[i].poff;
fb->mmap_map[i].size = cg14_mmap_map[i].size;
if (is_8mb && fb->mmap_map[i].size >= 0x100000 &&
fb->mmap_map[i].size <= 0x400000)
fb->mmap_map[i].size <<= 1;
if (!cg14_mmap_map[i].size)
prom_getproperty(node, "reg", (char *) &bases[0], sizeof(bases));
is_8mb = (bases[5] == 0x800000);
if (sizeof(all->par.mmap_map) != sizeof(__cg14_mmap_map)) {
extern void __cg14_mmap_sized_wrongly(void);
__cg14_mmap_sized_wrongly();
}
memcpy(&all->par.mmap_map, &__cg14_mmap_map, sizeof(all->par.mmap_map));
for (i = 0; i < CG14_MMAP_ENTRIES; i++) {
struct sbus_mmap_map *map = &all->par.mmap_map[i];
if (!map->size)
break;
if (map->poff & 0x80000000)
map->poff = (map->poff & 0x7fffffff) + rphys - phys;
if (is_8mb &&
map->size >= 0x100000 &&
map->size <= 0x400000)
map->size *= 2;
}
strcpy(fb->info.modename, "CGfourteen");
strcpy(fix->id, "CGfourteen");
fix->line_length = fb->info.var.xres_virtual;
fix->accel = FB_ACCEL_SUN_CG14;
disp->scrollmode = SCROLL_YREDRAW;
fb->info.screen_base += fix->line_length * fb->y_margin + fb->x_margin;
fb->dispsw = fbcon_cfb8;
type->fb_depth = 24;
fb->emulations[1] = FBTYPE_SUN3COLOR;
fb->margins = cg14_margins;
fb->loadcmap = cg14_loadcmap;
fb->setcursor = cg14_setcursor;
fb->setcursormap = cg14_setcursormap;
fb->setcurshape = cg14_setcurshape;
fb->reset = cg14_reset;
fb->switch_from_graph = cg14_switch_from_graph;
fb->ioctl = cg14_ioctl;
fb->s.cg14.mode = 8;
fb->s.cg14.ramsize = (is_8mb) ? 0x800000 : 0x400000;
cg14_reset(fb);
sprintf(idstring, "cgfourteen at %x.%08lx, %dMB, rev=%d, impl=%d", fb->iospace, phys,
is_8mb ? 8 : 4, fb->s.cg14.regs->rev >> 4, fb->s.cg14.regs->rev & 0xf);
return idstring;
all->par.mode = MDI_8_PIX;
all->par.ramsize = (is_8mb ? 0x800000 : 0x400000);
all->info.node = NODEV;
all->info.flags = FBINFO_FLAG_DEFAULT;
all->info.fbops = &cg14_ops;
all->info.currcon = -1;
all->info.par = &all->par;
__cg14_reset(&all->par);
if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
printk(KERN_ERR "cg14: Could not allocate color map.\n");
kfree(all);
return;
}
cg14_set_par(&all->info);
cg14_init_fix(&all->info, linebytes);
if (register_framebuffer(&all->info) < 0) {
printk(KERN_ERR "cg14: Could not register framebuffer.\n");
fb_dealloc_cmap(&all->info.cmap);
kfree(all);
return;
}
list_add(&all->list, &cg14_list);
printk("cg14: cgfourteen at %lx:%lx\n",
all->par.physbase, all->par.iospace);
}
int __init cg14_init(void)
{
struct sbus_bus *sbus;
struct sbus_dev *sdev;
#ifdef CONFIG_SPARC32
{
int root, node;
root = prom_getchild(prom_root_node);
root = prom_searchsiblings(root, "obio");
if (root) {
node = prom_searchsiblings(prom_getchild(root),
"cgfourteen");
if (node)
cg14_init_one(NULL, node, root);
}
}
#endif
for_all_sbusdev(sdev, sbus) {
if (!strcmp(sdev->prom_name, "cgfourteen"))
cg14_init_one(sdev, sdev->prom_node, sbus->prom_node);
}
return 0;
}
void __exit cg14_exit(void)
{
struct list_head *pos, *tmp;
list_for_each_safe(pos, tmp, &cg14_list) {
struct all_info *all = list_entry(pos, typeof(*all), list);
unregister_framebuffer(&all->info);
fb_dealloc_cmap(&all->info.cmap);
kfree(all);
}
}
int __init
cg14_setup(char *arg)
{
/* No cmdline options yet... */
return 0;
}
#ifdef MODULE
module_init(cg14_init);
module_exit(cg14_exit);
#endif
MODULE_DESCRIPTION("framebuffer driver for CGfourteen chipsets");
MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
MODULE_LICENSE("GPL");
......@@ -152,6 +152,8 @@ extern int cg3_init(void);
extern int cg3_setup(char*);
extern int bw2_init(void);
extern int bw2_setup(char*);
extern int cg14_init(void);
extern int cg14_setup(char*);
static struct {
const char *name;
......@@ -255,6 +257,9 @@ static struct {
#ifdef CONFIG_FB_BW2
{ "bw2", bw2_init, bw2_setup },
#endif
#ifdef CONFIG_FB_CG14
{ "cg14", cg14_init, cg14_setup },
#endif
/*
* Generic drivers that are used as fallbacks
......
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