static int32_t __init
gp_fb_init(
void
)
{
int32_t ret = 0;
struct gp_fb_info *info;
#if 0
/* Init display device */
if (disp_open(0, 0) < 0)
return -EIO;
if (disp_init() < 0)
return -EIO;
#endif
fbinfo = framebuffer_alloc(sizeof(struct gp_fb_info), NULL);
if (!fbinfo)
return -ENOMEM;
info = fbinfo->par;
info->first_open = 0;
/*Get panel resolution */
disp_get_panel_res(&info->panelRes);
/* Color */
ret = gp_fb_setColorType(fbinfo);
if (ret < 0) {
printk("[%s:%d], set color type error\n", __FUNCTION__, __LINE__);
goto dealloc_fb;
}
/* Get buffer width, height, and size */
gp_fb_getBufInfo(fbinfo);
/* Get panel rect */
gp_fb_getPanelRect(fbinfo);
info->fbmem = disp_allocate_buffer(info->bufinfo);
if (info->fbmem == NULL) {
ret = -ENXIO;
goto dealloc_fb;
}
memset(info->fbmem, 0x00, info->bufinfo.size);
fbinfo->fbops = &gp_fb_ops;
fbinfo->flags = FBINFO_FLAG_DEFAULT;
fbinfo->pseudo_palette = NULL;
fbinfo->screen_base = info->fbmem;
fbinfo->screen_size = 0;
/* Resolution */
fbinfo->var.xres = info->bufinfo.width;
fbinfo->var.yres = info->bufinfo.height;
fbinfo->var.xres_virtual = fbinfo->var.xres;
fbinfo->var.yres_virtual = fbinfo->var.yres * 2;
/* Timing */
fbinfo->var.left_margin = 0;
fbinfo->var.right_margin = 0;
fbinfo->var.upper_margin = 0;
fbinfo->var.lower_margin = 0;
fbinfo->var.hsync_len = 0;
fbinfo->var.vsync_len = 0;
fbinfo->var.activate = FB_ACTIVATE_FORCE;
fbinfo->var.accel_flags = 0;
fbinfo->var.vmode = FB_VMODE_NONINTERLACED;
/* fixed info */
memset(&fbinfo->fix.id, 0, sizeof(fbinfo->fix.id));
strncpy(fbinfo->fix.id, driver_name, sizeof(driver_name));
fbinfo->fix.mmio_start = 0x93000000;
fbinfo->fix.mmio_len = 0x1000;
fbinfo->fix.type = FB_TYPE_PACKED_PIXELS;
fbinfo->fix.type_aux = 0;
fbinfo->fix.visual = FB_VISUAL_TRUECOLOR;
fbinfo->fix.xpanstep = 0;
fbinfo->fix.ypanstep = 1;
fbinfo->fix.ywrapstep = 0;
fbinfo->fix.accel = FB_ACCEL_NONE;
fbinfo->fix.smem_start = gp_chunk_pa(info->fbmem);
fbinfo->fix.smem_len = info->bufinfo.size;
fbinfo->fix.line_length = (fbinfo->var.xres_virtual * fbinfo->var.bits_per_pixel) / 8;
gp_fb_activate(fbinfo);
ret = register_framebuffer(fbinfo);
if (ret < 0) {
printk(KERN_ERR "Failed to register framebuffer device: %d\n", ret);
goto release_fbmem;
}
printk(KERN_INFO "fb%d: %s frame buffer device\n",
fbinfo->node, fbinfo->fix.id);
return 0;
release_fbmem:
disp_free_buffer(FB_BUFFER_ID);
dealloc_fb:
framebuffer_release(fbinfo);
return ret;
}
//buffer size = nand block size X 2 X 6 + BOOTLOADER_RESERVED_SIZE + NAND_BLOCK SIZE(for nand buffer using)
repeat_alloc:
reserved_buffer_size = nand_block_size*2*6 + BOOTLOADER_RESERVED_SIZE + nand_block_size;
ka = gp_chunk_malloc(0, reserved_buffer_size);
//printk("gp_chunk_malloc return ka=%08x\n", (unsigned int)ka);
if (ka == NULL) {
printk("CHUNK_MEM_ALLOC: out of memory!(blocksize =0x%x, size:0x%08x), retry for half size\n", nand_block_size, reserved_buffer_size);
nand_block_size >>= 1;
if (nand_block_size < 65536) {
printk("CHUNK_MEM_ALLOC: out of memory! hibernation fail(blocksize =0x%x, size:0x%08x)\n", nand_block_size, reserved_buffer_size);
ret = -ENOMEM;
}
//@todo : force normal power when out of memory
}
pa = gp_chunk_pa(ka);
printk("gp_chunk_malloc for fastboot pa=%08x, size=0x%x\n", pa, reserved_buffer_size);
//save buffer address
//@todo : not using in GP Speedy Boot
//gp_fastbot_buffer_address_write(pa, reserved_buffer_size);
#if RELOAD_BOOTLOADER
//reload bootloader
ret = gp_fastbot_load_bootlaoder();
if( ret != 0 ) {
printk("[%s][%d] gp_fastbot_load_bootlaoder fail[%x]\n", __FUNCTION__, __LINE__, ret);
}
#endif /* RELOAD_BOOTLOADER */
//Todo: Judge nand
static int32_t __init
gp_fb_init(
void
)
{
int32_t ret = 0;
struct gp_fb_info *info;
fbinfo = framebuffer_alloc(sizeof(struct gp_fb_info), NULL);
if (!fbinfo)
return -ENOMEM;
info = fbinfo->par;
/*Get panel resolution & allocate frame buffer (double buffer) */
disp1_get_panel_res(&info->panelRes);
info->fbsize = info->panelRes.width * info->panelRes.height * 4 * 2;
info->fbmem = gp_chunk_malloc(current->tgid, info->fbsize);
if (info->fbmem == NULL) {
ret = -ENXIO;
goto dealloc_fb;
}
memset(info->fbmem, 0x00, info->fbsize);
fbinfo->fbops = &gp_fb_ops;
fbinfo->flags = FBINFO_FLAG_DEFAULT;
fbinfo->pseudo_palette = NULL;
fbinfo->screen_base = info->fbmem;
fbinfo->screen_size = 0;
/* Resolution */
fbinfo->var.xres = info->panelRes.width;
fbinfo->var.yres = info->panelRes.height;
fbinfo->var.xres_virtual = fbinfo->var.xres;
fbinfo->var.yres_virtual = fbinfo->var.yres * 2;
/* Timing */
fbinfo->var.left_margin = 0;
fbinfo->var.right_margin = 0;
fbinfo->var.upper_margin = 0;
fbinfo->var.lower_margin = 0;
fbinfo->var.hsync_len = 0;
fbinfo->var.vsync_len = 0;
/* Color RGBA8888 */
fbinfo->var.bits_per_pixel = 32;
fbinfo->var.grayscale = 0;
fbinfo->var.transp.offset = 0;
fbinfo->var.red.offset = 24;
fbinfo->var.green.offset = 16;
fbinfo->var.blue.offset = 8;
fbinfo->var.transp.length = 8;
fbinfo->var.red.length = 8;
fbinfo->var.green.length = 8;
fbinfo->var.blue.length = 8;
fbinfo->var.nonstd = 0;
fbinfo->var.activate = FB_ACTIVATE_FORCE;
fbinfo->var.accel_flags = 0;
fbinfo->var.vmode = FB_VMODE_NONINTERLACED;
/* fixed info */
strcpy(fbinfo->fix.id, driver_name);
fbinfo->fix.mmio_start = 0x93000000;
fbinfo->fix.mmio_len = 0x1000;
fbinfo->fix.type = FB_TYPE_PACKED_PIXELS;
fbinfo->fix.type_aux = 0;
fbinfo->fix.visual = FB_VISUAL_TRUECOLOR;
fbinfo->fix.xpanstep = 0;
fbinfo->fix.ypanstep = 1;
fbinfo->fix.ywrapstep = 0;
fbinfo->fix.accel = FB_ACCEL_NONE;
fbinfo->fix.smem_start = gp_chunk_pa(info->fbmem);
fbinfo->fix.smem_len = info->fbsize;
fbinfo->fix.line_length = (fbinfo->var.xres_virtual * fbinfo->var.bits_per_pixel) / 8;
gp_fb_activate(fbinfo);
ret = register_framebuffer(fbinfo);
if (ret < 0) {
printk(KERN_ERR "Failed to register framebuffer device: %d\n", ret);
goto release_fbmem;
}
printk(KERN_INFO "fb%d: %s frame buffer device\n",
fbinfo->node, fbinfo->fix.id);
return 0;
release_fbmem:
gp_chunk_free(info->fbmem);
dealloc_fb:
framebuffer_release(fbinfo);
return ret;
}
/**
* @brief Chunkmem device ioctl function
*/
static long chunkmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
chunk_block_t block;
void *ka; /* kernel_addr */
unsigned int va; /* user_addr */
unsigned int pa; /* phy_addr*/
long ret = 0;
unsigned int offset = 0;
switch (cmd) {
case CHUNK_MEM_ALLOC:
case CHUNK_MEM_SHARE:
case CHUNK_MEM_MMAP:
{
if (copy_from_user(&block, (void __user*)arg, sizeof(block))) {
ret = -EFAULT;
break;
}
/* alloc|share|mmap memory */
if (cmd == CHUNK_MEM_MMAP) {
DIAG_VERB("CHUNK_MEM_MMAP:\n");
ka = gp_chunk_va(block.phy_addr);
if (ka == NULL) {
DIAG_ERROR("CHUNK_MEM_MMAP: bad address! (%s:%08X)\n", current->comm, block.phy_addr);
ret = -EFAULT; /* mmap fail */
break;
}
/* page alignment */
offset = block.phy_addr & ~PAGE_MASK;
ka = (void *)((unsigned long)ka & PAGE_MASK);
DIAG_VERB("CHUNK_MEM_MMAP: phy_addr = %08X\n", block.phy_addr);
DIAG_VERB("CHUNK_MEM_MMAP: size = %08X\n", block.size);
DIAG_VERB("CHUNK_MEM_MMAP: ka = %08X\n", (unsigned int)ka);
DIAG_VERB("CHUNK_MEM_MMAP: offset = %08X\n", offset);
DIAG_VERB("CHUNK_MEM_MMAP: PAGE_ALIGN(size + offset) = %08X\n", PAGE_ALIGN(block.size + offset));
}
else {
if (cmd == CHUNK_MEM_ALLOC) {
DIAG_VERB("CHUNK_MEM_ALLOC:\n");
DIAG_VERB("size = %08X (%d)\n", block.size, block.size);
ka = gp_chunk_malloc(current->tgid, block.size);
DIAG_VERB("gp_chunk_malloc return ka=%08X\n", ka);
if (ka == NULL) {
DIAG_ERROR("CHUNK_MEM_ALLOC: out of memory! (%s:%08X)\n", current->comm, block.size);
dlMalloc_Status(NULL);
ret = -ENOMEM;
break;
}
block.phy_addr = gp_chunk_pa(ka);
}
else { /* CHUNK_MEM_SHARE */
DIAG_VERB("CHUNK_MEM_SHARE:\n");
ka = gp_chunk_va(block.phy_addr);
if ((ka == NULL) || (dlShare(ka) == 0)) {
DIAG_ERROR("CHUNK_MEM_SHARE: bad address! (%s:%08X)\n", current->comm, block.phy_addr);
ret = -EFAULT; /* share fail */
break;
}
}
block.size = dlMalloc_Usable_Size(ka) & PAGE_MASK; /* actual allocated size */
DIAG_VERB("actual size = %08X (%d)\n", block.size, block.size);
DIAG_VERB("ka = %08X\n", (unsigned int)ka);
}
/* mmap to userspace */
down(&chunkmem->sem);
down_write(¤t->mm->mmap_sem);
chunkmem->mmap_enable = 1; /* enable mmap in CHUNK_MEM_ALLOC */
va = do_mmap_pgoff(
file, 0, PAGE_ALIGN(block.size + offset),
PROT_READ|PROT_WRITE,
MAP_SHARED,
(ka - chunkmem->vbase) >> PAGE_SHIFT);
chunkmem->mmap_enable = 0; /* disable it */
up_write(¤t->mm->mmap_sem);
up(&chunkmem->sem);
if (IS_ERR_VALUE(va)) {
ret = va; /* errcode */
DIAG_ERROR("%s: chunkmem mmap fail(%d)! (%s)\n",
(cmd == CHUNK_MEM_MMAP) ? "CHUNK_MEM_MMAP" : ((cmd == CHUNK_MEM_ALLOC) ? "CHUNK_MEM_ALLOC" : "CHUNK_MEM_SHARE"),
ret, current->comm);
break;
}
va += offset;
block.addr = (void *)va;
DIAG_VERB("va = %08X\n\n", va);
if (copy_to_user((void __user*)arg, &block, sizeof(block))) {
ret = -EFAULT;
break;
}
}
break;
case CHUNK_MEM_FREE:
{
if (copy_from_user(&block, (void __user*)arg, sizeof(block))) {
ret = -EFAULT;
break;
}
/* translate user_va to ka */
DIAG_VERB("CHUNK_MEM_FREE:\n");
DIAG_VERB("va = %08X\n", (unsigned int)block.addr);
pa = gp_user_va_to_pa(block.addr); /* user_addr to phy_addr */
if (pa == 0) {
DIAG_ERROR("CHUNK_MEM_FREE: chunkmem user_va_to_pa fail! (%s:%08X)\n", current->comm, block.addr);
ret = -EFAULT;
break;
}
DIAG_VERB("pa = %08X\n", pa);
ka = gp_chunk_va(pa); /* phy_addr to kernel_addr */
if (ka == NULL) {
DIAG_ERROR("CHUNK_MEM_FREE: not a chunkmem address! (%s:%08X)\n", current->comm, pa);
ret = -EFAULT;
break;
}
block.size = dlMalloc_Usable_Size(ka) & PAGE_MASK;
DIAG_VERB("ka = %08X\n", (unsigned int)ka);
DIAG_VERB("actual size = %08X (%d)\n\n", block.size, block.size);
/* munmap memory */
down_write(¤t->mm->mmap_sem);
do_munmap(current->mm, (unsigned int)block.addr, block.size);
up_write(¤t->mm->mmap_sem);
/* free memory */
gp_chunk_free(ka);
#if (DIAG_LEVEL >= DIAG_LVL_VERB) && !defined(DIAG_VERB_OFF)
dlMalloc_Status(NULL);
#endif
}
break;
case CHUNK_MEM_INFO:
{
chunk_info_t info;
if (copy_from_user(&info, (void __user*)arg, sizeof(info))) {
ret = -EFAULT;
break;
}
if (info.pid == (unsigned int)(-1)) {
info.pid = current->tgid;
}
#if CHUNK_SUSPEND_TEST
if (info.pid) {
dlMalloc_Status(NULL);
}
else {
gp_chunk_suspend(my_save_data);
memset(chunkmem->vbase, 0, chunkmem->size);
/* restore */
while (blocks != NULL) {
data_block_t *block = blocks;
blocks = block->next;
DIAG_DEBUG("restore data: %p %08X\n", block->addr, block->size);
memcpy(block->addr, &block->data, block->size);
kfree(block);
}
}
#else
down(&chunkmem->sem);
dlMalloc_Status((mem_info_t *)&info);
up(&chunkmem->sem);
#endif
if (copy_to_user((void __user*)arg, &info, sizeof(info))) {
ret = -EFAULT;
break;
}
}
break;
case CHUNK_MEM_VA2PA:
{
ret = -EFAULT;
if (copy_from_user(&block, (void __user*)arg, sizeof(block))) {
break;
}
pa = gp_user_va_to_pa(block.addr); /* user_addr to phy_addr */
if (pa != 0) {
ka = gp_chunk_va(pa); /* phy_addr to kernel_addr */
if (ka != NULL) {
block.phy_addr = pa;
if (copy_to_user((void __user*)arg, &block, sizeof(block)) == 0) {
ret = 0;
}
}
}
}
break;
case CHUNK_MEM_MUNMAP:
{
if (copy_from_user(&block, (void __user*)arg, sizeof(block))) {
ret = -EFAULT;
break;
}
va = (unsigned int)block.addr;
/* page alignment */
offset = va & ~PAGE_MASK;
va &= PAGE_MASK;
/* munmap memory */
down_write(¤t->mm->mmap_sem);
do_munmap(current->mm, va, PAGE_ALIGN(block.size + offset));
up_write(¤t->mm->mmap_sem);
}
break;
case CHUNK_MEM_FREEALL:
gp_chunk_free_all((unsigned int)arg);
printk(KERN_WARNING "CHUNK_MEM_FREEALL(%ld)\n", arg);
break;
case CHUNK_MEM_DUMP:
dlMalloc_Status(0);
break;
default:
ret = -ENOTTY; /* Inappropriate ioctl for device */
break;
}
return ret;
}
