int __init sun3fb_init(void)
{
extern int con_is_present(void);
unsigned long addr;
char p4id;
if (!con_is_present()) return -ENODEV;
#ifdef CONFIG_SUN3
switch(*(romvec->pv_fbtype))
{
case FBTYPE_SUN2BW:
addr = 0xfe20000;
return sun3fb_init_fb(FBTYPE_SUN2BW, addr);
case FBTYPE_SUN3COLOR:
case FBTYPE_SUN4COLOR:
if(idprom->id_machtype != (SM_SUN3|SM_3_60)) {
printk("sun3fb: cgthree/four only supported on 3/60\n");
return -ENODEV;
}
addr = CGFOUR_OBMEM_ADDR;
return sun3fb_init_fb(*(romvec->pv_fbtype), addr);
default:
printk("sun3fb: unsupported framebuffer\n");
return -ENODEV;
}
#else
addr = SUN3X_VIDEO_BASE;
p4id = *(char *)SUN3X_VIDEO_P4ID;
p4id = (p4id == 0x45) ? p4id : (p4id & 0xf0);
switch (p4id) {
case 0x00:
return sun3fb_init_fb(FBTYPE_SUN2BW, addr);
#if 0 /* not yet */
case 0x40:
return sun3fb_init_fb(FBTYPE_SUN4COLOR, addr);
break;
case 0x45:
return sun3fb_init_fb(FBTYPE_SUN8COLOR, addr);
break;
#endif
case 0x60:
return sun3fb_init_fb(FBTYPE_SUNFAST_COLOR, addr);
}
#endif
return -ENODEV;
}
int __init igafb_init(void)
{
struct pci_dev *pdev;
struct fb_info_iga *info;
unsigned long addr;
extern int con_is_present(void);
int iga2000 = 0;
/* Do not attach when we have a serial console. */
if (!con_is_present())
return -ENXIO;
pdev = pci_find_device(PCI_VENDOR_ID_INTERG,
PCI_DEVICE_ID_INTERG_1682, 0);
if (pdev == NULL) {
/*
* XXX We tried to use cyber2000fb.c for IGS 2000.
* But it does not initialize the chip in JavaStation-E, alas.
*/
pdev = pci_find_device(PCI_VENDOR_ID_INTERG, 0x2000, 0);
if(pdev == NULL) {
return -ENXIO;
}
iga2000 = 1;
}
info = kmalloc(sizeof(struct fb_info_iga), GFP_ATOMIC);
if (!info) {
printk("igafb_init: can't alloc fb_info_iga\n");
return -ENOMEM;
}
memset(info, 0, sizeof(struct fb_info_iga));
if ((addr = pdev->resource[0].start) == 0) {
printk("igafb_init: no memory start\n");
kfree(info);
return -ENXIO;
}
if ((info->frame_buffer = ioremap(addr, 1024*1024*2)) == 0) {
printk("igafb_init: can't remap %lx[2M]\n", addr);
kfree(info);
return -ENXIO;
}
info->frame_buffer_phys = addr & PCI_BASE_ADDRESS_MEM_MASK;
#ifdef __sparc__
/*
* The following is sparc specific and this is why:
*
* IGS2000 has its I/O memory mapped and we want
* to generate memory cycles on PCI, e.g. do ioremap(),
* then readb/writeb() as in Documentation/IO-mapping.txt.
*
* IGS1682 is more traditional, it responds to PCI I/O
* cycles, so we want to access it with inb()/outb().
*
* On sparc, PCIC converts CPU memory access within
* phys window 0x3000xxxx into PCI I/O cycles. Therefore
* we may use readb/writeb to access them with IGS1682.
*
* We do not take io_base_phys from resource[n].start
* on IGS1682 because that chip is BROKEN. It does not
* have a base register for I/O. We just "know" what its
* I/O addresses are.
*/
if (iga2000) {
info->io_base_phys = info->frame_buffer_phys | 0x00800000;
} else {
info->io_base_phys = 0x30000000; /* XXX */
}
if ((info->io_base = (int) ioremap(info->io_base_phys, 0x1000)) == 0) {
printk("igafb_init: can't remap %lx[4K]\n", info->io_base_phys);
iounmap((void *)info->frame_buffer);
kfree(info);
return -ENXIO;
}
/*
* Figure mmap addresses from PCI config space.
* We need two regions: for video memory and for I/O ports.
* Later one can add region for video coprocessor registers.
* However, mmap routine loops until size != 0, so we put
* one additional region with size == 0.
*/
info->mmap_map = kmalloc(4 * sizeof(*info->mmap_map), GFP_ATOMIC);
if (!info->mmap_map) {
printk("igafb_init: can't alloc mmap_map\n");
iounmap((void *)info->io_base);
iounmap(info->frame_buffer);
kfree(info);
return -ENOMEM;
}
memset(info->mmap_map, 0, 4 * sizeof(*info->mmap_map));
/*
* Set default vmode and cmode from PROM properties.
*/
{
struct pcidev_cookie *cookie = pdev->sysdata;
int node = cookie->prom_node;
int width = prom_getintdefault(node, "width", 1024);
int height = prom_getintdefault(node, "height", 768);
int depth = prom_getintdefault(node, "depth", 8);
switch (width) {
case 1024:
if (height == 768)
default_var = default_var_1024x768;
break;
case 1152:
if (height == 900)
default_var = default_var_1152x900;
break;
case 1280:
if (height == 1024)
default_var = default_var_1280x1024;
break;
default:
break;
}
switch (depth) {
case 8:
default_var.bits_per_pixel = 8;
break;
case 16:
default_var.bits_per_pixel = 16;
break;
case 24:
default_var.bits_per_pixel = 24;
break;
case 32:
default_var.bits_per_pixel = 32;
break;
default:
break;
}
}
#endif
if (!iga_init(info)) {
iounmap((void *)info->io_base);
iounmap(info->frame_buffer);
if (info->mmap_map)
kfree(info->mmap_map);
kfree(info);
}
#ifdef __sparc__
/*
* Add /dev/fb mmap values.
*/
/* First region is for video memory */
info->mmap_map[0].voff = 0x0;
info->mmap_map[0].poff = info->frame_buffer_phys & PAGE_MASK;
info->mmap_map[0].size = info->total_vram & PAGE_MASK;
info->mmap_map[0].prot_mask = SRMMU_CACHE;
info->mmap_map[0].prot_flag = SRMMU_WRITE;
/* Second region is for I/O ports */
info->mmap_map[1].voff = info->frame_buffer_phys & PAGE_MASK;
info->mmap_map[1].poff = info->io_base_phys & PAGE_MASK;
info->mmap_map[1].size = PAGE_SIZE * 2; /* X wants 2 pages */
info->mmap_map[1].prot_mask = SRMMU_CACHE;
info->mmap_map[1].prot_flag = SRMMU_WRITE;
#endif /* __sparc__ */
return 0;
}
