/**
* ispresizer_trycrop - Validate crop dimensions.
* @left: Left distance to start position of crop.
* @top: Top distance to start position of crop.
* @width: Width of input image.
* @height: Height of input image.
* @ow: Width of output image.
* @oh: Height of output image.
**/
void ispresizer_trycrop(u32 left, u32 top, u32 width, u32 height, u32 ow,
u32 oh)
{
ispres_obj.cropwidth = width + 6;
ispres_obj.cropheight = height + 6;
ispresizer_try_size(&ispres_obj.cropwidth, &ispres_obj.cropheight, &ow,
&oh);
ispres_obj.ipht_crop = top;
ispres_obj.ipwd_crop = left;
}
int isp_resize_mem_data(struct isp_mem_resize_data *data)
{
int i;
int ret = -1;
struct isp_mem_resize_data *presizer_user = \
(struct isp_mem_resize_data *)data;
u32 input_buffer_size, output_buffer_size;
u32 input_nr_pages, output_nr_pages;
struct page **input_pages = NULL;
struct page **output_pages = NULL;
unsigned long isp_addr_in = 0;
unsigned long isp_addr_out = 0;
struct isp_mem_resize_data resizer_param;
unsigned long timeout;
if (presizer_user == NULL) {
printk(KERN_ERR "ISP_RESZ_ERR : Invalid user data\n");
return -EINVAL;
}
memcpy(&resizer_param, presizer_user, \
sizeof(struct isp_mem_resize_data));
DPRINTK_ISPPROC("\nRSZ input(%d-%d) - output(%d-%d)\n",
resizer_param.input_width,
resizer_param.input_height,
resizer_param.output_width,
resizer_param.output_height);
DPRINTK_ISPPROC("RSZ start(%d-%d) - end(%d-%d)\n",
resizer_param.left,
resizer_param.top,
resizer_param.crop_width,
resizer_param.crop_height);
if (presizer_user->datain == 0 || presizer_user->dataout == 0)
return -EINVAL;
ispresizer_enable(0);
timeout = jiffies + msecs_to_jiffies(200);
while (ispresizer_busy()) {
if (time_after(jiffies, timeout))
return -EINVAL;
msleep(1);
}
ispresizer_save_context();
ispresizer_free();
ispresizer_request();
/* set data path before configuring modules. */
ispresizer_config_datapath(RSZ_MEM_YUV, 0);
input_buffer_size = ALIGN_TO(presizer_user->input_width* \
presizer_user->input_height*2 , 0x100);
input_pages = map_user_memory_to_kernel(presizer_user->datain,
input_buffer_size, &input_nr_pages);
if (input_pages == NULL) {
ret = -EINVAL;
printk(KERN_ERR "ISP_RESZ_ERR: memory allocation failed\n");
goto exit_cleanup;
}
output_buffer_size = ALIGN_TO(presizer_user->output_width* \
presizer_user->output_height*2, 0x1000);
output_pages = map_user_memory_to_kernel(presizer_user->dataout,
output_buffer_size, &output_nr_pages);
if (output_pages == NULL) {
ret = -EINVAL;
printk(KERN_ERR "ISP_RESZ_ERR: memory allocation failed\n");
goto exit_cleanup;
}
for (i = 0; i < output_nr_pages; ++i)
flush_dcache_page(output_pages[i]);
isp_addr_in = ispmmu_vmap_pages(input_pages, input_nr_pages);
if (IS_ERR((void *)isp_addr_in)) {
isp_addr_in = 0;
ret = -EINVAL;
printk(KERN_ERR "ISP_RESZ_ERR: isp mmu map failed\n");
goto exit_cleanup;
}
isp_addr_out = ispmmu_vmap_pages(output_pages, output_nr_pages);
if (IS_ERR((void *)isp_addr_out)) {
isp_addr_out = 0;
ret = -EINVAL;
printk(KERN_ERR "ISP_RESZ_ERR: isp mmu map failed\n");
goto exit_cleanup;
}
if ((resizer_param.left == 0) && (resizer_param.top == 0)) {
ret = ispresizer_try_size(&resizer_param.input_width,
&resizer_param.input_height,
&resizer_param.output_width,
&resizer_param.output_height);
ret = ispresizer_config_size(resizer_param.input_width,
resizer_param.input_height,
resizer_param.output_width,
resizer_param.output_height);
ispresizer_set_inaddr(isp_addr_in);
} else {
ispresizer_trycrop(resizer_param.left,
resizer_param.top,
resizer_param.crop_width,
resizer_param.crop_height,
resizer_param.output_width,
resizer_param.output_height);
ispresizer_applycrop();
/*pixel alignment in 32bit space, vertical must be 0 per TRM */
isp_reg_writel(((resizer_param.left%16) <<
ISPRSZ_IN_START_HORZ_ST_SHIFT) |
(0 <<
ISPRSZ_IN_START_VERT_ST_SHIFT),
OMAP3_ISP_IOMEM_RESZ,
ISPRSZ_IN_START);
/* Align input address for cropping, per TRM */
ispresizer_set_inaddr(isp_addr_in +
(resizer_param.top*resizer_param.input_width*2)
+ ((resizer_param.left/16)*32));
}
ispresizer_set_inaddr(isp_addr_in);
ispresizer_set_outaddr(isp_addr_out);
ispresizer_config_ycpos(0);
ispresizer_config_inlineoffset(
ALIGN_TO(presizer_user->input_width*2, 32));
isp_set_callback(CBK_RESZ_DONE, rsz_isr, (void *) NULL, (void *)NULL);
isp_reg_writel(0xFFFFFFFF, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS);
isp_wfc.done = 0;
/* start resizer engine. */
ispresizer_enable(1);
ret = wait_for_completion_timeout(&isp_wfc, msecs_to_jiffies(1000));
if (!ret)
ispresizer_enable(0);
timeout = jiffies + msecs_to_jiffies(50);
while (ispresizer_busy()) {
msleep(5);
if (time_after(jiffies, timeout)) {
printk(KERN_ERR "ISP_RESZ_ERR: Resizer still busy");
break;
}
}
isp_reg_writel(0xFFFFFFFF, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS);
isp_unset_callback(CBK_RESZ_DONE);
ret = 0;
exit_cleanup:
ispresizer_restore_context();
if (isp_addr_in != 0)
ispmmu_vunmap(isp_addr_in);
if (isp_addr_out != 0)
ispmmu_vunmap(isp_addr_out);
if (input_pages != NULL) {
unmap_user_memory_from_kernel(input_pages, input_nr_pages);
kfree(input_pages);
}
if (output_pages != NULL) {
unmap_user_memory_from_kernel(output_pages, output_nr_pages);
kfree(output_pages);
}
DPRINTK_ISPPROC("resizer exit.\n");
return ret;
}
int isp_process_mem_data(struct isp_mem_data *data)
{
int i;
int ret = -1;
struct isp_mem_data *ppreview_user = \
(struct isp_mem_data *)data;
struct isp_mem_data preview_param;
u32 input_buffer_size, output_buffer_size;
u32 input_nr_pages, output_nr_pages;
struct page **input_pages = NULL;
struct page **output_pages = NULL;
unsigned long isp_addr_in = 0;
unsigned long isp_addr_out = 0;
unsigned long isp_addr_tmp = 0;
unsigned long timeout;
struct isp_mem_resize_data resizer_param;
u16 cropadjust = 0;
if (ppreview_user == NULL) {
printk(KERN_ERR "ISP_PROC_ERR: Invalid user data!\n");
return -EINVAL;
}
memcpy(&preview_param, ppreview_user, \
sizeof(struct isp_mem_data));
DPRINTK_ISPPROC("input(%d-%d) - output(%d-%d)\n",
preview_param.input_width,
preview_param.input_height,
preview_param.output_width,
preview_param.output_height);
DPRINTK_ISPPROC("start(%d-%d) - end(%d-%d)\n",
preview_param.left,
preview_param.top,
preview_param.crop_width,
preview_param.crop_height);
if (ppreview_user->datain == 0 || ppreview_user->dataout == 0)
return -EINVAL;
isppreview_enable(0);
ispresizer_enable(0);
timeout = jiffies + msecs_to_jiffies(200);
while (isppreview_busy() ||
ispresizer_busy()) {
if (time_after(jiffies, timeout))
return -EINVAL;
msleep(1);
}
isppreview_save_context();
ispresizer_save_context();
isppreview_free();
ispresizer_free();
isppreview_request();
ispresizer_request();
/* set data path before configuring modules. */
isppreview_update_datapath(PRV_RAW_MEM, PREVIEW_MEM);
ispresizer_config_datapath(RSZ_MEM_YUV, 0);
ret = isppreview_try_size(preview_param.input_width,
preview_param.input_height,
&preview_param.output_width,
&preview_param.output_height);
if (ret < 0)
goto exit_cleanup;
ret = isppreview_config_size(preview_param.input_width,
preview_param.input_height,
preview_param.output_width,
preview_param.output_height);
if (ret < 0)
goto exit_cleanup;
input_buffer_size = ALIGN_TO(ppreview_user->input_width* \
ppreview_user->input_height*2 , 0x100);
input_pages = map_user_memory_to_kernel(preview_param.datain,
input_buffer_size, &input_nr_pages);
if (input_pages == NULL) {
ret = -EINVAL;
printk(KERN_ERR "ISP_PROC_ERR: memory allocation failed\n");
goto exit_cleanup;
}
output_buffer_size = ALIGN_TO(ppreview_user->output_width* \
ppreview_user->output_height*2, 0x1000);
output_pages = map_user_memory_to_kernel(preview_param.dataout,
output_buffer_size, &output_nr_pages);
if (output_pages == NULL) {
ret = -EINVAL;
printk(KERN_ERR "ISP_PROC_ERR: memory allocation failed\n");
goto exit_cleanup;
}
for (i = 0; i < output_nr_pages; ++i)
flush_dcache_page(output_pages[i]);
isp_addr_in = ispmmu_vmap_pages(input_pages, input_nr_pages);
if (IS_ERR((void *)isp_addr_in)) {
isp_addr_in = 0;
ret = -EINVAL;
printk(KERN_ERR "ISP_PROC_ERR: isp mmu map failed\n");
goto exit_cleanup;
}
isp_addr_out = ispmmu_vmap_pages(output_pages, output_nr_pages);
if (IS_ERR((void *)isp_addr_out)) {
isp_addr_out = 0;
ret = -EINVAL;
printk(KERN_ERR "ISP_PROC_ERR: isp mmu map failed\n");
goto exit_cleanup;
}
/* This buffer must be allocated and mapped to
the ISP MMU previously. */
isp_addr_tmp = isp_tmp_buf_addr();
if (isp_addr_tmp == 0) {
printk(KERN_ERR "ISP_PROC_ERR: Invalid isp tmp buffer address!\n");
goto exit_cleanup;
}
isppreview_config_inlineoffset(ppreview_user->input_width * 2);
isppreview_set_inaddr(isp_addr_in);
isppreview_set_outaddr(isp_addr_tmp);
resizer_param.input_width = preview_param.output_width;
resizer_param.input_height = preview_param.output_height;
resizer_param.output_width = ppreview_user->output_width;
resizer_param.output_height = ppreview_user->output_height;
if ((preview_param.left == 0) && (preview_param.top == 0)) {
ret = ispresizer_try_size(&resizer_param.input_width,
&resizer_param.input_height,
&resizer_param.output_width,
&resizer_param.output_height);
if (ret < 0)
goto exit_cleanup;
ret = ispresizer_config_size(resizer_param.input_width,
resizer_param.input_height,
resizer_param.output_width,
resizer_param.output_height);
if (ret < 0)
goto exit_cleanup;
ispresizer_set_inaddr(isp_addr_tmp);
} else {
ispresizer_trycrop(preview_param.left,
preview_param.top,
preview_param.crop_width,
preview_param.crop_height,
resizer_param.output_width,
resizer_param.output_height);
ispresizer_applycrop();
/* account for pixel loss when using crop*/
if ((preview_param.input_height > preview_param.output_height)
&& (preview_param.top > 16))
cropadjust = 8;
else
cropadjust = 0;
/* pixel alignment in 32bit space, vertical must be 0 per TRM */
isp_reg_writel(((preview_param.left%16) <<
ISPRSZ_IN_START_HORZ_ST_SHIFT) |
(0 <<
ISPRSZ_IN_START_VERT_ST_SHIFT),
OMAP3_ISP_IOMEM_RESZ,
ISPRSZ_IN_START);
/* Align input address for cropping, per TRM */
ispresizer_set_inaddr(isp_addr_tmp -
(resizer_param.input_width*2*cropadjust) +
(preview_param.top*resizer_param.input_width*2)
+ ((preview_param.left/16)*32));
}
ispresizer_set_outaddr(isp_addr_out);
ispresizer_config_inlineoffset(
ALIGN_TO(resizer_param.input_width*2, 32));
if (isp_set_callback(CBK_PREV_DONE, prv_isr,
(void *) NULL, (void *)NULL) != 0) {
printk(KERN_ERR "ISP_PROC_ERR: Error setting PRV callback.\n");
goto exit_cleanup;
}
if (isp_set_callback(CBK_RESZ_DONE, rsz_isr,
(void *) NULL, (void *)NULL) != 0) {
printk(KERN_ERR "ISP_PROC_ERR: Error setting RSZ callback.\n");
goto exit_cleanup;
}
isp_reg_writel(0xFFFFFFFF, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS);
isp_wfc.done = 0;
/* start preview engine. */
isppreview_enable(1);
ret = wait_for_completion_timeout(&isp_wfc, msecs_to_jiffies(1000));
if (!ret) {
isppreview_enable(0);
ispresizer_enable(0);
}
timeout = jiffies + msecs_to_jiffies(50);
while (ispresizer_busy()) {
msleep(5);
if (time_after(jiffies, timeout)) {
printk(KERN_ERR "ISP_RESZ_ERR: Resizer still busy");
break;
}
}
isp_reg_writel(0xFFFFFFFF, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS);
isp_unset_callback(CBK_PREV_DONE);
isp_unset_callback(CBK_RESZ_DONE);
exit_cleanup:
isppreview_restore_context();
ispresizer_restore_context();
if (isp_addr_in != 0)
ispmmu_vunmap(isp_addr_in);
if (isp_addr_out != 0)
ispmmu_vunmap(isp_addr_out);
if (input_pages != NULL) {
unmap_user_memory_from_kernel(input_pages, input_nr_pages);
kfree(input_pages);
}
if (output_pages != NULL) {
unmap_user_memory_from_kernel(output_pages, output_nr_pages);
kfree(output_pages);
}
DPRINTK_ISPPROC("exit.\n");
return ret;
}