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sdk-hwV1.3/lichee/linux-4.9/drivers/char/sunxi_g2d/g2d_rcq/g2d.c

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/*
* g2d_rcq/g2d_driver/g2d.c
*
* Copyright (c) 2007-2019 Allwinnertech Co., Ltd.
* Author: zhengxiaobin <zhengxiaobin@allwinnertech.com>
*
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include "g2d_driver_i.h"
#include "g2d_top.h"
#if defined(CONFIG_SUNXI_G2D_MIXER)
#include "g2d_mixer.h"
#endif
#if defined(CONFIG_SUNXI_G2D_ROTATE)
#include "g2d_rotate.h"
#endif
/* alloc based on 4K byte */
#define G2D_BYTE_ALIGN(x) (((x + (4*1024-1)) >> 12) << 12)
static enum g2d_scan_order scan_order;
static struct mutex global_lock;
static struct class *g2d_class;
static struct cdev *g2d_cdev;
static dev_t devid;
static struct device *g2d_dev;
static struct device *dmabuf_dev;
u32 g_time_info;
u32 g_func_runtime;
u32 g2d_timeout_flag;
unsigned int __iomem *ccmu;
uint32_t data_ccmu;
__g2d_drv_t g2d_ext_hd;
__g2d_info_t para;
__u32 dbg_info;
#if ((defined CONFIG_ARCH_SUN8IW21P1) || (defined CONFIG_ARCH_SUN20IW2P1) \
|| (defined CONFIG_ARCH_SUN20IW3P1))
void g2d_reset(void)
{
data_ccmu = readl(ccmu);
writel(data_ccmu & (~(1 << 16)), ccmu);
udelay(1);
writel(data_ccmu, ccmu);
g2d_bsp_open();
}
#endif
static struct g2d_format_attr fmt_attr_tbl[] = {
/*
format bits hor_rsample(u,v) ver_rsample(u,v) uvc interleave factor div
*/
{ G2D_FORMAT_ARGB8888, 8, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_ABGR8888, 8, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_RGBA8888, 8, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_BGRA8888, 8, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_XRGB8888, 8, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_XBGR8888, 8, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_RGBX8888, 8, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_BGRX8888, 8, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_RGB888, 8, 1, 1, 1, 1, 0, 1, 3, 1},
{ G2D_FORMAT_BGR888, 8, 1, 1, 1, 1, 0, 1, 3, 1},
{ G2D_FORMAT_RGB565, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_BGR565, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_ARGB4444, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_ABGR4444, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_RGBA4444, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_BGRA4444, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_ARGB1555, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_ABGR1555, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_RGBA5551, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_BGRA5551, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_ARGB2101010, 10, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_ABGR2101010, 10, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_RGBA1010102, 10, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_BGRA1010102, 10, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_IYUV422_V0Y1U0Y0, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_IYUV422_Y1V0Y0U0, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_IYUV422_U0Y1V0Y0, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_IYUV422_Y1U0Y0V0, 8, 1, 1, 1, 1, 0, 1, 2, 1},
{ G2D_FORMAT_YUV422_PLANAR, 8, 2, 2, 1, 1, 0, 0, 2, 1},
{ G2D_FORMAT_YUV420_PLANAR, 8, 2, 2, 2, 2, 0, 0, 3, 2},
{ G2D_FORMAT_YUV411_PLANAR, 8, 4, 4, 1, 1, 0, 0, 3, 2},
{ G2D_FORMAT_YUV422UVC_U1V1U0V0, 8, 2, 2, 1, 1, 1, 0, 2, 1},
{ G2D_FORMAT_YUV422UVC_V1U1V0U0, 8, 2, 2, 1, 1, 1, 0, 2, 1},
{ G2D_FORMAT_YUV420UVC_U1V1U0V0, 8, 2, 2, 2, 2, 1, 0, 3, 2},
{ G2D_FORMAT_YUV420UVC_V1U1V0U0, 8, 2, 2, 2, 2, 1, 0, 3, 2},
{ G2D_FORMAT_YUV411UVC_U1V1U0V0, 8, 4, 4, 1, 1, 1, 0, 3, 2},
{ G2D_FORMAT_YUV411UVC_V1U1V0U0, 8, 4, 4, 1, 1, 1, 0, 3, 2},
{ G2D_FORMAT_Y8, 8, 1, 1, 1, 1, 0, 0, 1, 1},
{ G2D_FORMAT_YVU10_444, 10, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_YUV10_444, 10, 1, 1, 1, 1, 0, 1, 4, 1},
{ G2D_FORMAT_YVU10_P210, 10, 2, 2, 1, 1, 0, 0, 4, 1},
{ G2D_FORMAT_YVU10_P010, 10, 2, 2, 2, 2, 0, 0, 3, 1},
};
void *g2d_malloc(__u32 bytes_num, __u32 *phy_addr)
{
void *address = NULL;
#if defined(CONFIG_ION_SUNXI)
u32 actual_bytes;
if (bytes_num != 0) {
actual_bytes = G2D_BYTE_ALIGN(bytes_num);
address = dma_alloc_coherent(para.dev, actual_bytes,
(dma_addr_t *) phy_addr,
GFP_KERNEL);
if (address) {
return address;
}
G2D_ERR_MSG("dma_alloc_coherent fail, size=0x%x\n", bytes_num);
return NULL;
}
G2D_ERR_MSG("size is zero\n");
#else
unsigned map_size = 0;
struct page *page;
if (bytes_num != 0) {
map_size = PAGE_ALIGN(bytes_num);
page = alloc_pages(GFP_KERNEL, get_order(map_size));
if (page != NULL) {
address = page_address(page);
if (address == NULL) {
free_pages((unsigned long)(page),
get_order(map_size));
G2D_ERR_MSG("page_address fail!\n");
return NULL;
}
*phy_addr = virt_to_phys(address);
return address;
}
G2D_ERR_MSG("alloc_pages fail!\n");
return NULL;
}
G2D_ERR_MSG("size is zero\n");
#endif
return NULL;
}
void g2d_free(void *virt_addr, void *phy_addr, unsigned int size)
{
#if defined(CONFIG_ION_SUNXI)
u32 actual_bytes;
actual_bytes = PAGE_ALIGN(size);
if (phy_addr && virt_addr)
dma_free_coherent(para.dev, actual_bytes, virt_addr,
(dma_addr_t) phy_addr);
#else
unsigned map_size = PAGE_ALIGN(size);
unsigned page_size = map_size;
if (virt_addr == NULL)
return;
free_pages((unsigned long)virt_addr, get_order(page_size));
#endif
}
int g2d_dma_map(int fd, struct dmabuf_item *item)
{
struct dma_buf *dmabuf;
struct dma_buf_attachment *attachment;
struct sg_table *sgt, *sgt_bak;
struct scatterlist *sgl, *sgl_bak;
s32 sg_count = 0;
int ret = -1;
int i;
if (fd < 0) {
G2D_ERR_MSG("dma_buf_id(%d) is invalid\n", fd);
goto exit;
}
dmabuf = dma_buf_get(fd);
if (IS_ERR(dmabuf)) {
G2D_ERR_MSG("dma_buf_get failed, fd=%d\n", fd);
goto exit;
}
attachment = dma_buf_attach(dmabuf, dmabuf_dev);
if (IS_ERR(attachment)) {
G2D_ERR_MSG("dma_buf_attach failed\n");
goto err_buf_put;
}
sgt = dma_buf_map_attachment(attachment, DMA_FROM_DEVICE);
if (IS_ERR_OR_NULL(sgt)) {
G2D_ERR_MSG("dma_buf_map_attachment failed\n");
goto err_buf_detach;
}
/* create a private sgtable base on the given dmabuf */
sgt_bak = kmalloc(sizeof(struct sg_table), GFP_KERNEL | __GFP_ZERO);
if (sgt_bak == NULL) {
G2D_ERR_MSG("alloc sgt fail\n");
goto err_buf_unmap;
}
ret = sg_alloc_table(sgt_bak, sgt->nents, GFP_KERNEL);
if (ret != 0) {
G2D_ERR_MSG("alloc sgt fail\n");
goto err_kfree;
}
sgl_bak = sgt_bak->sgl;
for_each_sg(sgt->sgl, sgl, sgt->nents, i) {
sg_set_page(sgl_bak, sg_page(sgl), sgl->length, sgl->offset);
sgl_bak = sg_next(sgl_bak);
}
sg_count = dma_map_sg_attrs(dmabuf_dev, sgt_bak->sgl,
sgt_bak->nents, DMA_FROM_DEVICE,
DMA_ATTR_SKIP_CPU_SYNC);
if (sg_count != 1) {
G2D_ERR_MSG("dma_map_sg failed:%d\n", sg_count);
goto err_sgt_free;
}
item->fd = fd;
item->buf = dmabuf;
item->sgt = sgt_bak;
item->attachment = attachment;
item->dma_addr = sg_dma_address(sgt_bak->sgl);
ret = 0;
goto exit;
err_sgt_free:
sg_free_table(sgt_bak);
err_kfree:
kfree(sgt_bak);
err_buf_unmap:
/* unmap attachment sgt, not sgt_bak, because it's not alloc yet! */
dma_buf_unmap_attachment(attachment, sgt, DMA_FROM_DEVICE);
err_buf_detach:
dma_buf_detach(dmabuf, attachment);
err_buf_put:
dma_buf_put(dmabuf);
exit:
return ret;
}
void g2d_dma_unmap(struct dmabuf_item *item)
{
dma_unmap_sg_attrs(dmabuf_dev, item->sgt->sgl,
item->sgt->nents, DMA_FROM_DEVICE,
DMA_ATTR_SKIP_CPU_SYNC);
dma_buf_unmap_attachment(item->attachment, item->sgt, DMA_FROM_DEVICE);
sg_free_table(item->sgt);
kfree(item->sgt);
dma_buf_detach(item->buf, item->attachment);
dma_buf_put(item->buf);
}
__s32 g2d_set_info(g2d_image_enh *g2d_img, struct dmabuf_item *item)
{
__s32 ret = -1;
__u32 i = 0;
__u32 len = ARRAY_SIZE(fmt_attr_tbl);
__u32 y_width, y_height, u_width, u_height;
__u32 y_pitch, u_pitch;
__u32 y_size, u_size;
g2d_img->laddr[0] = item->dma_addr;
if (g2d_img->format >= G2D_FORMAT_MAX) {
G2D_ERR_MSG("format 0x%x is out of range\n", g2d_img->format);
goto exit;
}
for (i = 0; i < len; ++i) {
if (fmt_attr_tbl[i].format == g2d_img->format) {
y_width = g2d_img->width;
y_height = g2d_img->height;
u_width = y_width/fmt_attr_tbl[i].hor_rsample_u;
u_height = y_height/fmt_attr_tbl[i].ver_rsample_u;
y_pitch = G2DALIGN(y_width, g2d_img->align[0]);
u_pitch = G2DALIGN(u_width * (fmt_attr_tbl[i].uvc + 1),
g2d_img->align[1]);
y_size = y_pitch * y_height;
u_size = u_pitch * u_height;
g2d_img->laddr[1] = g2d_img->laddr[0] + y_size;
g2d_img->laddr[2] = g2d_img->laddr[0] + y_size + u_size;
if (g2d_img->format == G2D_FORMAT_YUV420_PLANAR) {
/* v */
g2d_img->laddr[1] = g2d_img->laddr[0] + y_size + u_size;
g2d_img->laddr[2] = g2d_img->laddr[0] + y_size; /* u */
}
ret = 0;
break;
}
}
if (ret != 0)
G2D_ERR_MSG("format 0x%x is invalid\n", g2d_img->format);
exit:
return ret;
}
__s32 g2d_byte_cal(__u32 format, __u32 *ycnt, __u32 *ucnt, __u32 *vcnt)
{
*ycnt = 0;
*ucnt = 0;
*vcnt = 0;
if (format <= G2D_FORMAT_BGRX8888)
*ycnt = 4;
else if (format <= G2D_FORMAT_BGR888)
*ycnt = 3;
else if (format <= G2D_FORMAT_BGRA5551)
*ycnt = 2;
else if (format <= G2D_FORMAT_BGRA1010102)
*ycnt = 4;
else if (format <= 0x23) {
*ycnt = 2;
}
else if (format <= 0x25) {
*ycnt = 1;
*ucnt = 2;
}
else if (format == 0x26) {
*ycnt = 1;
*ucnt = 1;
*vcnt = 1;
}
else if (format <= 0x29) {
*ycnt = 1;
*ucnt = 2;
}
else if (format == 0x2a) {
*ycnt = 1;
*ucnt = 1;
*vcnt = 1;
}
else if (format <= 0x2d) {
*ycnt = 1;
*ucnt = 2;
}
else if (format == 0x2e) {
*ycnt = 1;
*ucnt = 1;
*vcnt = 1;
}
else if (format == 0x30)
*ycnt = 1;
else if (format <= 0x36) {
*ycnt = 2;
*ucnt = 4;
}
else if (format <= 0x39)
*ycnt = 6;
return 0;
}
/**
*/
__u32 cal_align(__u32 width, __u32 align)
{
switch (align) {
case 0:
return width;
case 4:
return (width + 3) >> 1 << 1;
case 8:
return (width + 7) >> 3 << 3;
case 16:
return (width + 15) >> 4 << 4;
case 32:
return (width + 31) >> 5 << 5;
case 64:
return (width + 63) >> 6 << 6;
case 128:
return (width + 127) >> 7 << 7;
default:
return (width + 31) >> 5 << 5;
}
}
__s32 g2d_image_check(g2d_image_enh *p_image)
{
__s32 ret = -EINVAL;
if (!p_image) {
G2D_ERR_MSG("NUll pointer!\n");
goto OUT;
}
if (((p_image->clip_rect.x < 0) &&
((-p_image->clip_rect.x) > p_image->clip_rect.w)) ||
((p_image->clip_rect.y < 0) &&
((-p_image->clip_rect.y) > p_image->clip_rect.h)) ||
((p_image->clip_rect.x > 0) &&
(p_image->clip_rect.x > p_image->width - 1)) ||
((p_image->clip_rect.y > 0) &&
(p_image->clip_rect.y > p_image->height - 1))) {
G2D_ERR_MSG("Invalid imager parameter setting\n");
goto OUT;
}
if (((p_image->clip_rect.x < 0) &&
((-p_image->clip_rect.x) <
p_image->clip_rect.w))) {
p_image->clip_rect.w =
p_image->clip_rect.w +
p_image->clip_rect.x;
p_image->clip_rect.x = 0;
} else if ((p_image->clip_rect.x +
p_image->clip_rect.w)
> p_image->width) {
p_image->clip_rect.w =
p_image->width -
p_image->clip_rect.x;
}
if (((p_image->clip_rect.y < 0) &&
((-p_image->clip_rect.y) <
p_image->clip_rect.h))) {
p_image->clip_rect.h =
p_image->clip_rect.h +
p_image->clip_rect.y;
p_image->clip_rect.y = 0;
} else if ((p_image->clip_rect.y +
p_image->clip_rect.h)
> p_image->height) {
p_image->clip_rect.h =
p_image->height -
p_image->clip_rect.y;
}
p_image->bpremul = 0;
p_image->bbuff = 1;
ret = 0;
OUT:
return ret;
}
int g2d_open(struct inode *inode, struct file *file)
{
mutex_lock(&para.mutex);
para.user_cnt++;
if (para.user_cnt == 1) {
if (para.clk) {
if (para.clk_parent)
clk_set_parent(para.clk, para.clk_parent);
clk_prepare_enable(para.clk);
}
para.opened = true;
g2d_bsp_open();
#if ((defined CONFIG_ARCH_SUN8IW21P1) || (defined CONFIG_ARCH_SUN20IW2P1) \
|| (defined CONFIG_ARCH_SUN20IW3P1))
ccmu = ioremap(0x0200163C, 4);
#endif
}
mutex_unlock(&para.mutex);
return 0;
}
EXPORT_SYMBOL_GPL(g2d_open);
int g2d_release(struct inode *inode, struct file *file)
{
mutex_lock(&para.mutex);
para.user_cnt--;
if (para.user_cnt == 0) {
if (para.clk)
clk_disable(para.clk);
para.opened = false;
g2d_bsp_close();
#if ((defined CONFIG_ARCH_SUN8IW21P1) || (defined CONFIG_ARCH_SUN20IW2P1) \
|| (defined CONFIG_ARCH_SUN20IW3P1))
iounmap(ccmu);
#endif
}
mutex_unlock(&para.mutex);
mutex_lock(&global_lock);
scan_order = G2D_SM_TDLR;
mutex_unlock(&global_lock);
return 0;
}
EXPORT_SYMBOL_GPL(g2d_release);
int g2d_blit_h(g2d_blt_h *para)
{
int ret = -1;
#if defined(CONFIG_SUNXI_G2D_ROTATE)
ret = g2d_rotate_set_para(&para->src_image_h,
&para->dst_image_h,
para->flag_h);
#else
G2D_ERR_MSG("Please enable CONFIG_SUNXI_G2D_ROTATE\n");
#endif
return ret;
}
EXPORT_SYMBOL_GPL(g2d_blit_h);
int g2d_mmap(struct file *file, struct vm_area_struct *vma)
{
unsigned long mypfn = vma->vm_pgoff;
unsigned long vmsize = vma->vm_end - vma->vm_start;
vma->vm_pgoff = 0;
vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
if (remap_pfn_range(vma, vma->vm_start, mypfn,
vmsize, vma->vm_page_prot))
return -EAGAIN;
return 0;
}
int g2d_wait_cmd_finish(unsigned int timeout)
{
timeout = wait_event_timeout(g2d_ext_hd.queue,
g2d_ext_hd.finish_flag == 1,
msecs_to_jiffies(timeout));
if (timeout == 0) {
#if ((defined CONFIG_ARCH_SUN8IW21P1) || (defined CONFIG_ARCH_SUN20IW2P1) \
|| (defined CONFIG_ARCH_SUN20IW3P1))
g2d_reset();
g2d_ext_hd.finish_flag = 1;
wake_up(&g2d_ext_hd.queue);
g2d_timeout_flag++;
G2D_ERR_MSG("G2D irq pending flag timeout\n");
if (g2d_timeout_flag >= 3) {
G2D_ERR_MSG("G2D irq pending flag timeout over 3 times!\n");
}
return -1;
#else
g2d_bsp_reset();
G2D_ERR_MSG("G2D irq pending flag timeout\n");
g2d_ext_hd.finish_flag = 1;
wake_up(&g2d_ext_hd.queue);
return -1;
#endif
}
g2d_ext_hd.finish_flag = 0;
return 0;
}
irqreturn_t g2d_handle_irq(int irq, void *dev_id)
{
#if ((defined CONFIG_ARCH_SUN8IW21P1) || (defined CONFIG_ARCH_SUN20IW2P1) \
|| (defined CONFIG_ARCH_SUN20IW3P1))
g2d_timeout_flag = 0;
#endif
#if defined(CONFIG_SUNXI_G2D_MIXER)
#if G2D_MIXER_RCQ_USED == 1
if (g2d_top_rcq_task_irq_query()) {
g2d_top_mixer_reset();
g2d_ext_hd.finish_flag = 1;
wake_up(&g2d_ext_hd.queue);
return IRQ_HANDLED;
}
#else
if (g2d_mixer_irq_query()) {
g2d_top_mixer_reset();
g2d_ext_hd.finish_flag = 1;
wake_up(&g2d_ext_hd.queue);
return IRQ_HANDLED;
}
#endif
#endif
#if defined(CONFIG_SUNXI_G2D_ROTATE)
if (g2d_rot_irq_query()) {
g2d_top_rot_reset();
g2d_ext_hd.finish_flag = 1;
wake_up(&g2d_ext_hd.queue);
return IRQ_HANDLED;
}
#endif
return IRQ_HANDLED;
}
void g2d_ioctl_mutex_lock(void)
{
if (!mutex_trylock(&para.mutex))
mutex_lock(&para.mutex);
}
EXPORT_SYMBOL_GPL(g2d_ioctl_mutex_lock);
void g2d_ioctl_mutex_unlock(void)
{
mutex_unlock(&para.mutex);
}
EXPORT_SYMBOL_GPL(g2d_ioctl_mutex_unlock);
long g2d_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int ret = -1;
struct timeval test_start, test_end;
if (g_time_info == 1)
do_gettimeofday(&test_start);
if (!mutex_trylock(&para.mutex))
mutex_lock(&para.mutex);
g2d_ext_hd.finish_flag = 0;
switch (cmd) {
case G2D_CMD_MIXER_TASK:
{
#if defined(CONFIG_SUNXI_G2D_MIXER)
struct mixer_para *p_mixer_para = NULL;
unsigned long karg[2];
unsigned long ubuffer[2] = { 0 };
if (copy_from_user((void *)karg, (void __user *)arg,
sizeof(unsigned long) * 2)) {
ret = -EFAULT;
goto err_noput;
}
ubuffer[0] = *(unsigned long *)karg;
ubuffer[1] = (*(unsigned long *)(karg + 1));
p_mixer_para = kmalloc(sizeof(struct mixer_para) * ubuffer[1],
GFP_KERNEL | __GFP_ZERO);
if (!p_mixer_para)
goto err_noput;
if (copy_from_user(p_mixer_para, (void __user *)ubuffer[0],
sizeof(struct mixer_para) * ubuffer[1])) {
ret = -EFAULT;
goto err_noput;
}
ret = mixer_task_process(&para, p_mixer_para, ubuffer[1]);
kfree(p_mixer_para);
#endif
break;
}
case G2D_CMD_CREATE_TASK:
{
#if defined(CONFIG_SUNXI_G2D_MIXER)
struct mixer_para *p_mixer_para = NULL;
unsigned long karg[2];
unsigned long ubuffer[2] = { 0 };
if (copy_from_user((void *)karg, (void __user *)arg,
sizeof(unsigned long) * 2)) {
ret = -EFAULT;
goto err_noput;
}
ubuffer[0] = *(unsigned long *)karg;
ubuffer[1] = (*(unsigned long *)(karg + 1));
p_mixer_para = kmalloc(sizeof(struct mixer_para) * ubuffer[1],
GFP_KERNEL | __GFP_ZERO);
if (!p_mixer_para)
goto err_noput;
if (copy_from_user(p_mixer_para, (void __user *)ubuffer[0],
sizeof(struct mixer_para) * ubuffer[1])) {
ret = -EFAULT;
goto err_noput;
}
ret = create_mixer_task(&para, p_mixer_para, ubuffer[1]);
if (copy_to_user((void __user *)ubuffer[0], p_mixer_para,
sizeof(struct mixer_para) * ubuffer[1])) {
G2D_ERR_MSG("copy_to_user fail\n");
return -EFAULT;
}
kfree(p_mixer_para);
#endif
break;
}
case G2D_CMD_TASK_APPLY:
{
#if defined(CONFIG_SUNXI_G2D_MIXER)
unsigned long karg[1];
unsigned long ubuffer[1] = { 0 };
struct g2d_mixer_task *p_task = NULL;
if (copy_from_user((void *)karg, (void __user *)arg,
sizeof(unsigned long))) {
ret = -EFAULT;
goto err_noput;
}
ubuffer[0] = *(unsigned long *)karg;
p_task = g2d_mixer_get_inst(ubuffer[0]);
if (!p_task) {
ret = -EFAULT;
goto err_noput;
}
ret = p_task->apply(p_task);
#endif
break;
}
case G2D_CMD_TASK_DESTROY:
{
#if defined(CONFIG_SUNXI_G2D_MIXER)
unsigned long karg[1];
unsigned long ubuffer[1] = { 0 };
struct g2d_mixer_task *p_task = NULL;
if (copy_from_user((void *)karg, (void __user *)arg,
sizeof(unsigned long))) {
ret = -EFAULT;
goto err_noput;
}
ubuffer[0] = *(unsigned long *)karg;
p_task = g2d_mixer_get_inst(ubuffer[0]);
if (!p_task) {
ret = -EFAULT;
G2D_ERR_MSG("Fail to find mixer task inst:%lu\n", ubuffer[0]);
goto err_noput;
}
ret = p_task->destory(p_task);
#endif
break;
}
case G2D_CMD_TASK_GET_PARA:
{
#if defined(CONFIG_SUNXI_G2D_MIXER)
struct g2d_mixer_task *p_task = NULL;
unsigned long karg[2];
unsigned long ubuffer[2] = { 0 };
if (copy_from_user((void *)karg, (void __user *)arg,
sizeof(unsigned long) * 2)) {
ret = -EFAULT;
goto err_noput;
}
ubuffer[0] = *(unsigned long *)karg;
ubuffer[1] = (*(unsigned long *)(karg + 1));
p_task = g2d_mixer_get_inst(ubuffer[0]);
if (!p_task || !ubuffer[1]) {
ret = -EFAULT;
goto err_noput;
}
ret = copy_to_user(
(void __user *)ubuffer[1], p_task->p_para,
sizeof(struct mixer_para) * p_task->frame_cnt);
#endif
break;
}
case G2D_CMD_BITBLT_H:
{
g2d_blt_h blit_para;
if (copy_from_user(&blit_para, (g2d_blt_h *) arg,
sizeof(g2d_blt_h))) {
ret = -EFAULT;
goto err_noput;
}
if (blit_para.flag_h & 0xff00) {
ret = g2d_blit_h(&blit_para);
}
#if defined(CONFIG_SUNXI_G2D_MIXER)
else {
struct mixer_para mixer_blit_para;
/*mixer module*/
memset(&mixer_blit_para, 0, sizeof(struct mixer_para));
memcpy(&mixer_blit_para.dst_image_h,
&blit_para.dst_image_h, sizeof(g2d_image_enh));
memcpy(&mixer_blit_para.src_image_h,
&blit_para.src_image_h, sizeof(g2d_image_enh));
mixer_blit_para.flag_h = blit_para.flag_h;
mixer_blit_para.op_flag = OP_BITBLT;
ret = mixer_task_process(&para, &mixer_blit_para, 1);
}
#endif
break;
}
case G2D_CMD_BLD_H:{
#if defined(CONFIG_SUNXI_G2D_MIXER)
g2d_bld bld_para;
struct mixer_para mixer_bld_para;
if (copy_from_user(&bld_para, (g2d_bld *) arg,
sizeof(g2d_bld))) {
ret = -EFAULT;
goto err_noput;
}
memset(&mixer_bld_para, 0, sizeof(struct mixer_para));
memcpy(&mixer_bld_para.dst_image_h,
&bld_para.dst_image_h, sizeof(g2d_image_enh));
memcpy(&mixer_bld_para.src_image_h,
&bld_para.src_image_h, sizeof(g2d_image_enh));
memcpy(&mixer_bld_para.ck_para, &bld_para.ck_para,
sizeof(g2d_ck));
mixer_bld_para.bld_cmd = bld_para.bld_cmd;
mixer_bld_para.op_flag = OP_BLEND;
ret = mixer_task_process(&para, &mixer_bld_para, 1);
#endif
break;
}
case G2D_CMD_FILLRECT_H:{
#if defined(CONFIG_SUNXI_G2D_MIXER)
g2d_fillrect_h fill_para;
struct mixer_para mixer_fill_para;
if (copy_from_user(&fill_para, (g2d_fillrect_h *) arg,
sizeof(g2d_fillrect_h))) {
ret = -EFAULT;
goto err_noput;
}
memset(&mixer_fill_para, 0, sizeof(struct mixer_para));
memcpy(&mixer_fill_para.dst_image_h,
&fill_para.dst_image_h, sizeof(g2d_image_enh));
mixer_fill_para.op_flag = OP_FILLRECT;
ret = mixer_task_process(&para, &mixer_fill_para, 1);
#endif
break;
}
case G2D_CMD_MASK_H:{
#if defined(CONFIG_SUNXI_G2D_MIXER)
g2d_maskblt mask_para;
struct mixer_para mixer_mask_para;
if (copy_from_user(&mask_para, (g2d_maskblt *) arg,
sizeof(g2d_maskblt))) {
ret = -EFAULT;
goto err_noput;
}
memset(&mixer_mask_para, 0, sizeof(struct mixer_para));
memcpy(&mixer_mask_para.ptn_image_h,
&mask_para.ptn_image_h, sizeof(g2d_image_enh));
memcpy(&mixer_mask_para.mask_image_h,
&mask_para.mask_image_h, sizeof(g2d_image_enh));
memcpy(&mixer_mask_para.dst_image_h,
&mask_para.dst_image_h, sizeof(g2d_image_enh));
memcpy(&mixer_mask_para.src_image_h,
&mask_para.src_image_h, sizeof(g2d_image_enh));
mixer_mask_para.back_flag = mask_para.back_flag;
mixer_mask_para.fore_flag = mask_para.fore_flag;
mixer_mask_para.op_flag = OP_MASK;
ret = mixer_task_process(&para, &mixer_mask_para, 1);
#endif
break;
}
case G2D_CMD_INVERTED_ORDER:
{
if (arg > G2D_SM_DTRL) {
G2D_ERR_MSG("scan mode is err.\n");
ret = -EINVAL;
goto err_noput;
}
mutex_lock(&global_lock);
scan_order = arg;
mutex_unlock(&global_lock);
break;
}
default:
goto err_noput;
break;
}
err_noput:
mutex_unlock(&para.mutex);
if (g_time_info == 1) {
do_gettimeofday(&test_end);
g_func_runtime += (test_end.tv_sec - test_start.tv_sec) * 1000000 +
(test_end.tv_usec - test_start.tv_usec);
}
return ret;
}
__s32 drv_g2d_init(void)
{
memset(&g2d_ext_hd, 0, sizeof(__g2d_drv_t));
init_waitqueue_head(&g2d_ext_hd.queue);
g2d_top_set_base((unsigned long) para.io);
#if defined(CONFIG_SUNXI_G2D_ROTATE)
g2d_rot_set_base((unsigned long) para.io);
#endif
return 0;
}
static ssize_t g2d_debug_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "debug=%d\n", dbg_info);
}
static ssize_t g2d_debug_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
if (strncasecmp(buf, "1", 1) == 0)
dbg_info = 1;
else if (strncasecmp(buf, "0", 1) == 0)
dbg_info = 0;
else if (strncasecmp(buf, "2", 1) == 0)
dbg_info = 2;
else
G2D_ERR_MSG("Error input!\n");
return count;
}
static DEVICE_ATTR(debug, 0660,
g2d_debug_show, g2d_debug_store);
static ssize_t g2d_func_runtime_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "func_runtime = %d us\n", g_func_runtime);
}
static ssize_t g2d_func_runtime_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
g_func_runtime = 0;
if (strncasecmp(buf, "1", 1) == 0)
g_time_info = 1;
else if (strncasecmp(buf, "0", 1) == 0)
g_time_info = 0;
else
G2D_ERR_MSG("Error input!\n");
return count;
}
static DEVICE_ATTR(func_runtime, 0660,
g2d_func_runtime_show, g2d_func_runtime_store);
static struct attribute *g2d_attributes[] = {
&dev_attr_debug.attr,
&dev_attr_func_runtime.attr,
NULL
};
static struct attribute_group g2d_attribute_group = {
.name = "attr",
.attrs = g2d_attributes
};
static u64 sunxi_g2d_dma_mask = DMA_BIT_MASK(32);
static int g2d_probe(struct platform_device *pdev)
{
int ret = 0;
__g2d_info_t *info = NULL;
info = &para;
info->dev = &pdev->dev;
dmabuf_dev = &pdev->dev;
dmabuf_dev->dma_mask = &sunxi_g2d_dma_mask;
dmabuf_dev->coherent_dma_mask = DMA_BIT_MASK(32);
platform_set_drvdata(pdev, info);
info->io = of_iomap(pdev->dev.of_node, 0);
if (info->io == NULL) {
G2D_ERR_MSG("iormap() of register failed\n");
ret = -ENXIO;
goto dealloc_fb;
}
info->irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
if (!info->irq) {
G2D_ERR_MSG("irq_of_parse_and_map irq fail for transform\n");
ret = -ENXIO;
goto release_regs;
}
/* request the irq */
ret = request_irq(info->irq, g2d_handle_irq, 0,
dev_name(&pdev->dev), NULL);
if (ret) {
G2D_ERR_MSG("failed to install irq resource\n");
goto release_regs;
}
/* clk init */
info->clk = of_clk_get(pdev->dev.of_node, 0);
if (IS_ERR(info->clk))
G2D_ERR_MSG("fail to get clk\n");
else
info->clk_parent = clk_get_parent(info->clk);
drv_g2d_init();
mutex_init(&info->mutex);
mutex_init(&global_lock);
ret = sysfs_create_group(&g2d_dev->kobj, &g2d_attribute_group);
if (ret < 0)
G2D_ERR_MSG("sysfs_create_file fail!\n");
return 0;
release_regs:
dealloc_fb:
platform_set_drvdata(pdev, NULL);
return ret;
}
static const struct file_operations g2d_fops = {
.owner = THIS_MODULE,
.open = g2d_open,
.release = g2d_release,
.unlocked_ioctl = g2d_ioctl,
.mmap = g2d_mmap,
};
static int g2d_remove(struct platform_device *pdev)
{
__g2d_info_t *info = platform_get_drvdata(pdev);
free_irq(info->irq, NULL);
platform_set_drvdata(pdev, NULL);
sysfs_remove_group(&g2d_dev->kobj, &g2d_attribute_group);
INFO("Driver unloaded succesfully.\n");
return 0;
}
static int g2d_suspend(struct platform_device *pdev, pm_message_t state)
{
INFO("%s.\n", __func__);
mutex_lock(&para.mutex);
if (para.opened) {
if (para.clk)
clk_disable(para.clk);
g2d_bsp_close();
}
mutex_unlock(&para.mutex);
INFO("g2d_suspend succesfully.\n");
return 0;
}
static int g2d_resume(struct platform_device *pdev)
{
INFO("%s.\n", __func__);
mutex_lock(&para.mutex);
if (para.opened) {
if (para.clk) {
if (para.clk_parent)
clk_set_parent(para.clk, para.clk_parent);
clk_prepare_enable(para.clk);
}
g2d_bsp_open();
}
mutex_unlock(&para.mutex);
INFO("g2d_resume succesfully.\n");
return 0;
}
static const struct of_device_id sunxi_g2d_match[] = {
{.compatible = "allwinner,sunxi-g2d",},
{},
};
static struct platform_driver g2d_driver = {
.probe = g2d_probe,
.remove = g2d_remove,
.suspend = g2d_suspend,
.resume = g2d_resume,
.driver = {
.owner = THIS_MODULE,
.name = "g2d",
.of_match_table = sunxi_g2d_match,
},
};
int __init g2d_module_init(void)
{
int ret = 0, err;
alloc_chrdev_region(&devid, 0, 1, "g2d_chrdev");
g2d_cdev = cdev_alloc();
cdev_init(g2d_cdev, &g2d_fops);
g2d_cdev->owner = THIS_MODULE;
err = cdev_add(g2d_cdev, devid, 1);
if (err) {
G2D_ERR_MSG("I was assigned major number %d.\n", MAJOR(devid));
return -1;
}
g2d_class = class_create(THIS_MODULE, "g2d");
if (IS_ERR(g2d_class)) {
G2D_ERR_MSG("create class error\n");
return -1;
}
g2d_dev = device_create(g2d_class, NULL, devid, NULL, "g2d");
if (ret == 0)
ret = platform_driver_register(&g2d_driver);
INFO("rcq version initialized.major:%d\n", MAJOR(devid));
return ret;
}
static void __exit g2d_module_exit(void)
{
INFO("g2d_module_exit\n");
platform_driver_unregister(&g2d_driver);
device_destroy(g2d_class, devid);
class_destroy(g2d_class);
cdev_del(g2d_cdev);
}
subsys_initcall_sync(g2d_module_init);
module_exit(g2d_module_exit);
MODULE_AUTHOR("zxb <zhengxiaobin@allwinnertech.com>");
MODULE_DESCRIPTION("g2d(rcq) driver");
MODULE_LICENSE("GPL");
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