#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
-#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
cmap_M3B, /* ATI Rage Mobility M3 Head B */
cmap_radeon, /* ATI Radeon */
cmap_gxt2000, /* IBM GXT2000 */
+ cmap_avivo, /* ATI R5xx */
};
struct offb_par {
struct offb_par default_par;
- /*
- * Interface used by the world
- */
-
-static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
- u_int transp, struct fb_info *info);
-static int offb_blank(int blank, struct fb_info *info);
-
#ifdef CONFIG_PPC32
extern boot_infos_t *boot_infos;
#endif
-static struct fb_ops offb_ops = {
- .owner = THIS_MODULE,
- .fb_setcolreg = offb_setcolreg,
- .fb_blank = offb_blank,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
-};
+/* Definitions used by the Avivo palette hack */
+#define AVIVO_DC_LUT_RW_SELECT 0x6480
+#define AVIVO_DC_LUT_RW_MODE 0x6484
+#define AVIVO_DC_LUT_RW_INDEX 0x6488
+#define AVIVO_DC_LUT_SEQ_COLOR 0x648c
+#define AVIVO_DC_LUT_PWL_DATA 0x6490
+#define AVIVO_DC_LUT_30_COLOR 0x6494
+#define AVIVO_DC_LUT_READ_PIPE_SELECT 0x6498
+#define AVIVO_DC_LUT_WRITE_EN_MASK 0x649c
+#define AVIVO_DC_LUT_AUTOFILL 0x64a0
+
+#define AVIVO_DC_LUTA_CONTROL 0x64c0
+#define AVIVO_DC_LUTA_BLACK_OFFSET_BLUE 0x64c4
+#define AVIVO_DC_LUTA_BLACK_OFFSET_GREEN 0x64c8
+#define AVIVO_DC_LUTA_BLACK_OFFSET_RED 0x64cc
+#define AVIVO_DC_LUTA_WHITE_OFFSET_BLUE 0x64d0
+#define AVIVO_DC_LUTA_WHITE_OFFSET_GREEN 0x64d4
+#define AVIVO_DC_LUTA_WHITE_OFFSET_RED 0x64d8
+
+#define AVIVO_DC_LUTB_CONTROL 0x6cc0
+#define AVIVO_DC_LUTB_BLACK_OFFSET_BLUE 0x6cc4
+#define AVIVO_DC_LUTB_BLACK_OFFSET_GREEN 0x6cc8
+#define AVIVO_DC_LUTB_BLACK_OFFSET_RED 0x6ccc
+#define AVIVO_DC_LUTB_WHITE_OFFSET_BLUE 0x6cd0
+#define AVIVO_DC_LUTB_WHITE_OFFSET_GREEN 0x6cd4
+#define AVIVO_DC_LUTB_WHITE_OFFSET_RED 0x6cd8
/*
* Set a single color register. The values supplied are already
out_le32(((unsigned __iomem *) par->cmap_adr) + regno,
(red << 16 | green << 8 | blue));
break;
+ case cmap_avivo:
+ /* Write to both LUTs for now */
+ writel(1, par->cmap_adr + AVIVO_DC_LUT_RW_SELECT);
+ writeb(regno, par->cmap_adr + AVIVO_DC_LUT_RW_INDEX);
+ writel(((red) << 22) | ((green) << 12) | ((blue) << 2),
+ par->cmap_adr + AVIVO_DC_LUT_30_COLOR);
+ writel(0, par->cmap_adr + AVIVO_DC_LUT_RW_SELECT);
+ writeb(regno, par->cmap_adr + AVIVO_DC_LUT_RW_INDEX);
+ writel(((red) << 22) | ((green) << 12) | ((blue) << 2),
+ par->cmap_adr + AVIVO_DC_LUT_30_COLOR);
+ break;
}
return 0;
out_le32(((unsigned __iomem *) par->cmap_adr) + i,
0);
break;
+ case cmap_avivo:
+ writel(1, par->cmap_adr + AVIVO_DC_LUT_RW_SELECT);
+ writeb(i, par->cmap_adr + AVIVO_DC_LUT_RW_INDEX);
+ writel(0, par->cmap_adr + AVIVO_DC_LUT_30_COLOR);
+ writel(0, par->cmap_adr + AVIVO_DC_LUT_RW_SELECT);
+ writeb(i, par->cmap_adr + AVIVO_DC_LUT_RW_INDEX);
+ writel(0, par->cmap_adr + AVIVO_DC_LUT_30_COLOR);
+ break;
}
} else
fb_set_cmap(&info->cmap, info);
return 0;
}
+static int offb_set_par(struct fb_info *info)
+{
+ struct offb_par *par = (struct offb_par *) info->par;
+
+ /* On avivo, initialize palette control */
+ if (par->cmap_type == cmap_avivo) {
+ writel(0, par->cmap_adr + AVIVO_DC_LUTA_CONTROL);
+ writel(0, par->cmap_adr + AVIVO_DC_LUTA_BLACK_OFFSET_BLUE);
+ writel(0, par->cmap_adr + AVIVO_DC_LUTA_BLACK_OFFSET_GREEN);
+ writel(0, par->cmap_adr + AVIVO_DC_LUTA_BLACK_OFFSET_RED);
+ writel(0x0000ffff, par->cmap_adr + AVIVO_DC_LUTA_WHITE_OFFSET_BLUE);
+ writel(0x0000ffff, par->cmap_adr + AVIVO_DC_LUTA_WHITE_OFFSET_GREEN);
+ writel(0x0000ffff, par->cmap_adr + AVIVO_DC_LUTA_WHITE_OFFSET_RED);
+ writel(0, par->cmap_adr + AVIVO_DC_LUTB_CONTROL);
+ writel(0, par->cmap_adr + AVIVO_DC_LUTB_BLACK_OFFSET_BLUE);
+ writel(0, par->cmap_adr + AVIVO_DC_LUTB_BLACK_OFFSET_GREEN);
+ writel(0, par->cmap_adr + AVIVO_DC_LUTB_BLACK_OFFSET_RED);
+ writel(0x0000ffff, par->cmap_adr + AVIVO_DC_LUTB_WHITE_OFFSET_BLUE);
+ writel(0x0000ffff, par->cmap_adr + AVIVO_DC_LUTB_WHITE_OFFSET_GREEN);
+ writel(0x0000ffff, par->cmap_adr + AVIVO_DC_LUTB_WHITE_OFFSET_RED);
+ writel(1, par->cmap_adr + AVIVO_DC_LUT_RW_SELECT);
+ writel(0, par->cmap_adr + AVIVO_DC_LUT_RW_MODE);
+ writel(0x0000003f, par->cmap_adr + AVIVO_DC_LUT_WRITE_EN_MASK);
+ writel(0, par->cmap_adr + AVIVO_DC_LUT_RW_SELECT);
+ writel(0, par->cmap_adr + AVIVO_DC_LUT_RW_MODE);
+ writel(0x0000003f, par->cmap_adr + AVIVO_DC_LUT_WRITE_EN_MASK);
+ }
+ return 0;
+}
+
+static void offb_destroy(struct fb_info *info)
+{
+ if (info->screen_base)
+ iounmap(info->screen_base);
+ release_mem_region(info->apertures->ranges[0].base, info->apertures->ranges[0].size);
+ framebuffer_release(info);
+}
+
+static struct fb_ops offb_ops = {
+ .owner = THIS_MODULE,
+ .fb_destroy = offb_destroy,
+ .fb_setcolreg = offb_setcolreg,
+ .fb_set_par = offb_set_par,
+ .fb_blank = offb_blank,
+ .fb_fillrect = cfb_fillrect,
+ .fb_copyarea = cfb_copyarea,
+ .fb_imageblit = cfb_imageblit,
+};
static void __iomem *offb_map_reg(struct device_node *np, int index,
unsigned long offset, unsigned long size)
return ioremap(taddr + offset, size);
}
+static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp,
+ const char *name, unsigned long address)
+{
+ struct offb_par *par = (struct offb_par *) info->par;
+
+ if (dp && !strncmp(name, "ATY,Rage128", 11)) {
+ par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
+ if (par->cmap_adr)
+ par->cmap_type = cmap_r128;
+ } else if (dp && (!strncmp(name, "ATY,RageM3pA", 12)
+ || !strncmp(name, "ATY,RageM3p12A", 14))) {
+ par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
+ if (par->cmap_adr)
+ par->cmap_type = cmap_M3A;
+ } else if (dp && !strncmp(name, "ATY,RageM3pB", 12)) {
+ par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
+ if (par->cmap_adr)
+ par->cmap_type = cmap_M3B;
+ } else if (dp && !strncmp(name, "ATY,Rage6", 9)) {
+ par->cmap_adr = offb_map_reg(dp, 1, 0, 0x1fff);
+ if (par->cmap_adr)
+ par->cmap_type = cmap_radeon;
+ } else if (!strncmp(name, "ATY,", 4)) {
+ unsigned long base = address & 0xff000000UL;
+ par->cmap_adr =
+ ioremap(base + 0x7ff000, 0x1000) + 0xcc0;
+ par->cmap_data = par->cmap_adr + 1;
+ par->cmap_type = cmap_m64;
+ } else if (dp && (of_device_is_compatible(dp, "pci1014,b7") ||
+ of_device_is_compatible(dp, "pci1014,21c"))) {
+ par->cmap_adr = offb_map_reg(dp, 0, 0x6000, 0x1000);
+ if (par->cmap_adr)
+ par->cmap_type = cmap_gxt2000;
+ } else if (dp && !strncmp(name, "vga,Display-", 12)) {
+ /* Look for AVIVO initialized by SLOF */
+ struct device_node *pciparent = of_get_parent(dp);
+ const u32 *vid, *did;
+ vid = of_get_property(pciparent, "vendor-id", NULL);
+ did = of_get_property(pciparent, "device-id", NULL);
+ /* This will match most R5xx */
+ if (vid && did && *vid == 0x1002 &&
+ ((*did >= 0x7100 && *did < 0x7800) ||
+ (*did >= 0x9400))) {
+ par->cmap_adr = offb_map_reg(pciparent, 2, 0, 0x10000);
+ if (par->cmap_adr)
+ par->cmap_type = cmap_avivo;
+ }
+ of_node_put(pciparent);
+ }
+ info->fix.visual = (par->cmap_type != cmap_unknown) ?
+ FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_STATIC_PSEUDOCOLOR;
+}
+
static void __init offb_init_fb(const char *name, const char *full_name,
int width, int height, int depth,
int pitch, unsigned long address,
- struct device_node *dp)
+ int foreign_endian, struct device_node *dp)
{
unsigned long res_size = pitch * height * (depth + 7) / 8;
struct offb_par *par = &default_par;
struct fb_fix_screeninfo *fix;
struct fb_var_screeninfo *var;
struct fb_info *info;
- int size;
if (!request_mem_region(res_start, res_size, "offb"))
return;
return;
}
- size = sizeof(struct fb_info) + sizeof(u32) * 16;
-
- info = kmalloc(size, GFP_ATOMIC);
+ info = framebuffer_alloc(sizeof(u32) * 16, NULL);
if (info == 0) {
release_mem_region(res_start, res_size);
return;
}
- memset(info, 0, size);
fix = &info->fix;
var = &info->var;
+ info->par = par;
strcpy(fix->id, "OFfb ");
strncat(fix->id, name, sizeof(fix->id) - sizeof("OFfb "));
fix->type_aux = 0;
par->cmap_type = cmap_unknown;
- if (depth == 8) {
- if (dp && !strncmp(name, "ATY,Rage128", 11)) {
- par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
- if (par->cmap_adr)
- par->cmap_type = cmap_r128;
- } else if (dp && (!strncmp(name, "ATY,RageM3pA", 12)
- || !strncmp(name, "ATY,RageM3p12A", 14))) {
- par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
- if (par->cmap_adr)
- par->cmap_type = cmap_M3A;
- } else if (dp && !strncmp(name, "ATY,RageM3pB", 12)) {
- par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
- if (par->cmap_adr)
- par->cmap_type = cmap_M3B;
- } else if (dp && !strncmp(name, "ATY,Rage6", 9)) {
- par->cmap_adr = offb_map_reg(dp, 1, 0, 0x1fff);
- if (par->cmap_adr)
- par->cmap_type = cmap_radeon;
- } else if (!strncmp(name, "ATY,", 4)) {
- unsigned long base = address & 0xff000000UL;
- par->cmap_adr =
- ioremap(base + 0x7ff000, 0x1000) + 0xcc0;
- par->cmap_data = par->cmap_adr + 1;
- par->cmap_type = cmap_m64;
- } else if (dp && (of_device_is_compatible(dp, "pci1014,b7") ||
- of_device_is_compatible(dp, "pci1014,21c"))) {
- par->cmap_adr = offb_map_reg(dp, 0, 0x6000, 0x1000);
- if (par->cmap_adr)
- par->cmap_type = cmap_gxt2000;
- }
- fix->visual = (par->cmap_type != cmap_unknown) ?
- FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_STATIC_PSEUDOCOLOR;
- } else
+ if (depth == 8)
+ offb_init_palette_hacks(info, dp, name, address);
+ else
fix->visual = FB_VISUAL_TRUECOLOR;
var->xoffset = var->yoffset = 0;
var->sync = 0;
var->vmode = FB_VMODE_NONINTERLACED;
+ /* set offb aperture size for generic probing */
+ info->apertures = alloc_apertures(1);
+ if (!info->apertures)
+ goto out_aper;
+ info->apertures->ranges[0].base = address;
+ info->apertures->ranges[0].size = fix->smem_len;
+
info->fbops = &offb_ops;
info->screen_base = ioremap(address, fix->smem_len);
- info->par = par;
info->pseudo_palette = (void *) (info + 1);
- info->flags = FBINFO_DEFAULT;
+ info->flags = FBINFO_DEFAULT | FBINFO_MISC_FIRMWARE | foreign_endian;
fb_alloc_cmap(&info->cmap, 256, 0);
- if (register_framebuffer(info) < 0) {
- iounmap(par->cmap_adr);
- par->cmap_adr = NULL;
- iounmap(info->screen_base);
- kfree(info);
- release_mem_region(res_start, res_size);
- return;
- }
+ if (register_framebuffer(info) < 0)
+ goto out_err;
printk(KERN_INFO "fb%d: Open Firmware frame buffer device on %s\n",
info->node, full_name);
+ return;
+
+out_err:
+ iounmap(info->screen_base);
+out_aper:
+ iounmap(par->cmap_adr);
+ par->cmap_adr = NULL;
+ framebuffer_release(info);
+ release_mem_region(res_start, res_size);
}
u64 rstart, address = OF_BAD_ADDR;
const u32 *pp, *addrp, *up;
u64 asize;
+ int foreign_endian = 0;
+
+#ifdef __BIG_ENDIAN
+ if (of_get_property(dp, "little-endian", NULL))
+ foreign_endian = FBINFO_FOREIGN_ENDIAN;
+#else
+ if (of_get_property(dp, "big-endian", NULL))
+ foreign_endian = FBINFO_FOREIGN_ENDIAN;
+#endif
pp = of_get_property(dp, "linux,bootx-depth", &len);
if (pp == NULL)
offb_init_fb(no_real_node ? "bootx" : dp->name,
no_real_node ? "display" : dp->full_name,
width, height, depth, pitch, address,
- no_real_node ? NULL : dp);
+ foreign_endian, no_real_node ? NULL : dp);
}
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff