static int __devinit
chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent)
{
struct fb_info *p = &chipsfb_info;
unsigned long addr, size;
unsigned short cmd;
if ((dp->resource[0].flags & IORESOURCE_MEM) == 0)
return -ENODEV;
addr = pci_resource_start(dp, 0);
size = pci_resource_len(dp, 0);
if (addr == 0)
return -ENODEV;
if (p->screen_base != 0)
return -EBUSY;
if (!request_mem_region(addr, size, "chipsfb"))
return -EBUSY;
#ifdef __BIG_ENDIAN
addr += 0x800000; // Use big-endian aperture
#endif
/* we should use pci_enable_device here, but,
the device doesn't declare its I/O ports in its BARs
so pci_enable_device won't turn on I/O responses */
pci_read_config_word(dp, PCI_COMMAND, &cmd);
cmd |= 3; /* enable memory and IO space */
pci_write_config_word(dp, PCI_COMMAND, cmd);
#ifdef CONFIG_PMAC_BACKLIGHT
/* turn on the backlight */
set_backlight_enable(1);
#endif /* CONFIG_PMAC_BACKLIGHT */
p->screen_base = __ioremap(addr, 0x200000, _PAGE_NO_CACHE);
if (p->screen_base == NULL) {
release_mem_region(addr, size);
return -ENOMEM;
}
p->device = &dp->dev;
init_chips(p, addr);
#ifdef CONFIG_PMAC_PBOOK
pmu_register_sleep_notifier(&chips_sleep_notifier);
#endif /* CONFIG_PMAC_PBOOK */
/* Clear the entire framebuffer */
memset(p->screen_base, 0, 0x100000);
pci_set_drvdata(dp, p);
return 0;
}
int main()
{
if(chdir(PKGDATADIR) != 0)
{
printf("data directory %s not found.", PKGDATADIR);
}
init();
init_camera();
init_board(&board);
init_striker(&striker);
init_chips();
init_orientation(&striker);
init_instructions();
init_speed_text();
init_main_menu();
init_scores();
init_game_over_state();
move_to_main_menu();
while(!quit)
{
frame_start();
while(!quit && accumulator >= elapsed_time)
{
handle_events();
update();
render();
accumulator -= elapsed_time;
}
}
close();
}
static int chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent)
{
struct fb_info *p;
unsigned long addr, size;
unsigned short cmd;
int rc = -ENODEV;
if (pci_enable_device(dp) < 0) {
dev_err(&dp->dev, "Cannot enable PCI device\n");
goto err_out;
}
if ((dp->resource[0].flags & IORESOURCE_MEM) == 0)
goto err_disable;
addr = pci_resource_start(dp, 0);
size = pci_resource_len(dp, 0);
if (addr == 0)
goto err_disable;
p = framebuffer_alloc(0, &dp->dev);
if (p == NULL) {
dev_err(&dp->dev, "Cannot allocate framebuffer structure\n");
rc = -ENOMEM;
goto err_disable;
}
if (pci_request_region(dp, 0, "chipsfb") != 0) {
dev_err(&dp->dev, "Cannot request framebuffer\n");
rc = -EBUSY;
goto err_release_fb;
}
#ifdef __BIG_ENDIAN
addr += 0x800000; // Use big-endian aperture
#endif
/* we should use pci_enable_device here, but,
the device doesn't declare its I/O ports in its BARs
so pci_enable_device won't turn on I/O responses */
pci_read_config_word(dp, PCI_COMMAND, &cmd);
cmd |= 3; /* enable memory and IO space */
pci_write_config_word(dp, PCI_COMMAND, cmd);
#ifdef CONFIG_PMAC_BACKLIGHT
/* turn on the backlight */
mutex_lock(&pmac_backlight_mutex);
if (pmac_backlight) {
pmac_backlight->props.power = FB_BLANK_UNBLANK;
backlight_update_status(pmac_backlight);
}
mutex_unlock(&pmac_backlight_mutex);
#endif /* CONFIG_PMAC_BACKLIGHT */
#ifdef CONFIG_PPC
p->screen_base = __ioremap(addr, 0x200000, _PAGE_NO_CACHE);
#else
p->screen_base = ioremap(addr, 0x200000);
#endif
if (p->screen_base == NULL) {
dev_err(&dp->dev, "Cannot map framebuffer\n");
rc = -ENOMEM;
goto err_release_pci;
}
pci_set_drvdata(dp, p);
init_chips(p, addr);
if (register_framebuffer(p) < 0) {
dev_err(&dp->dev,"C&T 65550 framebuffer failed to register\n");
goto err_unmap;
}
dev_info(&dp->dev,"fb%d: Chips 65550 frame buffer"
" (%dK RAM detected)\n",
p->node, p->fix.smem_len / 1024);
return 0;
err_unmap:
iounmap(p->screen_base);
err_release_pci:
pci_release_region(dp, 0);
err_release_fb:
framebuffer_release(p);
err_disable:
err_out:
return rc;
}