static long fimg2d_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int ret = 0;
struct fimg2d_context *ctx;
struct fimg2d_platdata *pdata;
union {
struct fimg2d_blit *blit;
struct fimg2d_version ver;
} u;
ctx = file->private_data;
if (!ctx) {
printk(KERN_ERR "[%s] missing ctx\n", __func__);
return -EFAULT;
}
switch (cmd) {
case FIMG2D_BITBLT_BLIT:
fimg2d_debug("FIMG2D_BITBLT_BLIT ctx: %p\n", ctx);
u.blit = (struct fimg2d_blit *)arg;
ret = fimg2d_add_command(info, ctx, u.blit);
if (!ret)
fimg2d_request_bitblt(ctx);
#ifdef PERF_PROFILE
perf_print(ctx, u.blit->seq_no);
perf_clear(ctx);
#endif
break;
case FIMG2D_BITBLT_SYNC:
fimg2d_debug("FIMG2D_BITBLT_SYNC ctx: %p\n", ctx);
/* FIXME: */
break;
case FIMG2D_BITBLT_VERSION:
fimg2d_debug("FIMG2D_BITBLT_VERSION ctx: %p\n", ctx);
pdata = to_fimg2d_plat(info->dev);
u.ver.hw = pdata->hw_ver;
u.ver.sw = 0;
fimg2d_debug("fimg2d version, hw: 0x%x sw: 0x%x\n", u.ver.hw, u.ver.sw);
if (copy_to_user((void *)arg, &u.ver, sizeof(u.ver)))
return -EFAULT;
break;
default:
printk(KERN_ERR "[%s] unknown ioctl\n", __func__);
ret = -EFAULT;
break;
}
return ret;
}
static long fimg2d_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int ret = 0;
struct fimg2d_context *ctx;
struct fimg2d_platdata *pdata;
struct fimg2d_blit blit;
struct fimg2d_version ver;
struct fimg2d_image dst;
ctx = file->private_data;
if (!ctx) {
printk(KERN_ERR "[%s] missing ctx\n", __func__);
return -EFAULT;
}
switch (cmd) {
case FIMG2D_BITBLT_BLIT:
if (info->secure)
return -EFAULT;
if (copy_from_user(&blit, (void *)arg, sizeof(blit)))
return -EFAULT;
if (blit.dst)
if (copy_from_user(&dst, (void *)blit.dst, sizeof(dst)))
return -EFAULT;
#ifdef CONFIG_BUSFREQ_OPP
#if defined(CONFIG_CPU_EXYNOS4212) || defined(CONFIG_CPU_EXYNOS4412)
dev_lock(info->bus_dev, info->dev, 160160);
#endif
#endif
if ((blit.dst) && (dst.addr.type == ADDR_USER))
if (!down_write_trylock(&page_alloc_slow_rwsem))
ret = -EAGAIN;
if (ret != -EAGAIN)
ret = fimg2d_add_command(info, ctx, &blit, dst.addr.type);
if (!ret) {
fimg2d_request_bitblt(ctx);
}
#ifdef PERF_PROFILE
perf_print(ctx, blit.seq_no);
perf_clear(ctx);
#endif
if ((blit.dst) && (dst.addr.type == ADDR_USER) && ret != -EAGAIN)
up_write(&page_alloc_slow_rwsem);
#ifdef CONFIG_BUSFREQ_OPP
#if defined(CONFIG_CPU_EXYNOS4212) || defined(CONFIG_CPU_EXYNOS4412)
dev_unlock(info->bus_dev, info->dev);
#endif
#endif
break;
case FIMG2D_BITBLT_SYNC:
fimg2d_debug("FIMG2D_BITBLT_SYNC ctx: %p\n", ctx);
/* FIXME: */
break;
case FIMG2D_BITBLT_VERSION:
pdata = to_fimg2d_plat(info->dev);
ver.hw = pdata->hw_ver;
ver.sw = 0;
fimg2d_debug("fimg2d version, hw: 0x%x sw: 0x%x\n",
ver.hw, ver.sw);
if (copy_to_user((void *)arg, &ver, sizeof(ver)))
return -EFAULT;
break;
case FIMG2D_BITBLT_SECURE:
if (copy_from_user(&info->secure,
(unsigned int *)arg,
sizeof(unsigned int))) {
printk(KERN_ERR
"[%s] failed to FIMG2D_BITBLT_SECURE: copy_from_user error\n\n",
__func__);
return -EFAULT;
}
while (1) {
if (fimg2d_queue_is_empty(&info->cmd_q))
break;
mdelay(2);
}
break;
default:
printk(KERN_ERR "[%s] unknown ioctl\n", __func__);
ret = -EFAULT;
break;
}
return ret;
}
