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ENGR00124761 V4L2 still:Support to capture QXGA still image

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1) Add OV3640 camera QXGA configuration at 7.5fps support.
2) Use double buffer to workaround tearing issue when capturing
   still image.

Signed-off-by: Liu Ying <b17645@freescale.com>
This commit is contained in:
Liu Ying
2010-06-30 13:32:01 +08:00
committed by Matt Sealey
parent 80d50bfa3f
commit a1815ec2e8
7 changed files with 103 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/media/video/mxc/capture/csi_v4l2_capture.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -789,15 +789,15 @@ static ssize_t csi_v4l_read(struct file *file, char *buf, size_t count,
(cam->v2f.fmt.
pix.sizeimage),
&cam->
still_buf,
still_buf[0],
GFP_DMA | GFP_KERNEL);
if (cam->still_buf_vaddr == NULL) {
pr_err("alloc dma memory failed\n");
return -ENOMEM;
}
cam->still_counter = 0;
__raw_writel(cam->still_buf, CSI_CSIDMASA_FB2);
__raw_writel(cam->still_buf, CSI_CSIDMASA_FB1);
__raw_writel(cam->still_buf[0], CSI_CSIDMASA_FB2);
__raw_writel(cam->still_buf[0], CSI_CSIDMASA_FB1);
__raw_writel(__raw_readl(CSI_CSICR3) | BIT_DMA_REFLASH_RFF,
CSI_CSICR3);
__raw_writel(__raw_readl(CSI_CSISR), CSI_CSISR);
@@ -813,8 +813,8 @@ static ssize_t csi_v4l_read(struct file *file, char *buf, size_t count,
if (cam->still_buf_vaddr != NULL) {
dma_free_coherent(0, PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage),
cam->still_buf_vaddr, cam->still_buf);
cam->still_buf = 0;
cam->still_buf_vaddr, cam->still_buf[0]);
cam->still_buf[0] = 0;
cam->still_buf_vaddr = NULL;
}

17
drivers/media/video/mxc/capture/emma_v4l2_capture.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -858,7 +858,7 @@ static void mxc_csi_dma_chaining(void *data)
/* Config DMA */
memset(&dma_request, 0, sizeof(mxc_dma_requestbuf_t));
dma_request.dst_addr = cam->still_buf
dma_request.dst_addr = cam->still_buf[0]
+ (chained % max_dma) * CSI_DMA_LENGTH;
dma_request.src_addr = (dma_addr_t) CSI_CSIRXFIFO_PHYADDR;
dma_request.num_of_bytes = count;
@@ -1040,7 +1040,7 @@ mxc_v4l_read(struct file *file, char *buf, size_t count, loff_t *ppos)
cam->still_buf_vaddr = dma_alloc_coherent(0,
PAGE_ALIGN(CSI_MEM_SIZE),
&cam->still_buf,
&cam->still_buf[0],
GFP_DMA | GFP_KERNEL);
if (!cam->still_buf_vaddr) {
@@ -1120,8 +1120,8 @@ mxc_v4l_read(struct file *file, char *buf, size_t count, loff_t *ppos)
exit1:
dma_free_coherent(0, PAGE_ALIGN(CSI_MEM_SIZE),
cam->still_buf_vaddr, cam->still_buf);
cam->still_buf = 0;
cam->still_buf_vaddr, cam->still_buf[0]);
cam->still_buf[0] = 0;
exit0:
up(&cam->busy_lock);
@@ -1160,7 +1160,8 @@ mxc_v4l_read(struct file *file, char *buf, size_t count, loff_t *ppos)
v_address = dma_alloc_coherent(0,
PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage),
&cam->still_buf, GFP_DMA | GFP_KERNEL);
&cam->still_buf[0],
GFP_DMA | GFP_KERNEL);
if (!v_address) {
pr_info("mxc_v4l_read failed at allocate still_buf\n");
@@ -1194,8 +1195,8 @@ mxc_v4l_read(struct file *file, char *buf, size_t count, loff_t *ppos)
exit1:
dma_free_coherent(0, cam->v2f.fmt.pix.sizeimage, v_address,
cam->still_buf);
cam->still_buf = 0;
cam->still_buf[0]);
cam->still_buf[0] = 0;
exit0:
up(&cam->busy_lock);

28
drivers/media/video/mxc/capture/ipu_still.c
View File

@@ -26,6 +26,9 @@
#include "ipu_prp_sw.h"
static int callback_eof_flag;
#ifndef CONFIG_MXC_IPU_V1
static int buffer_num;
#endif
#ifdef CONFIG_MXC_IPU_V1
static int callback_flag;
@@ -42,10 +45,10 @@ static int callback_flag;
*/
static irqreturn_t prp_csi_eof_callback(int irq, void *dev_id)
{
if (callback_flag == 2) {
ipu_select_buffer(CSI_MEM, IPU_OUTPUT_BUFFER, 0);
ipu_select_buffer(CSI_MEM, IPU_OUTPUT_BUFFER,
callback_flag%2 ? 1 : 0);
if (callback_flag == 0)
ipu_enable_channel(CSI_MEM);
}
callback_flag++;
return IRQ_HANDLED;
@@ -65,9 +68,12 @@ static irqreturn_t prp_still_callback(int irq, void *dev_id)
cam_data *cam = (cam_data *) dev_id;
callback_eof_flag++;
if (callback_eof_flag < 5)
ipu_select_buffer(CSI_MEM, IPU_OUTPUT_BUFFER, 0);
else {
if (callback_eof_flag < 5) {
#ifndef CONFIG_MXC_IPU_V1
buffer_num = (buffer_num == 0) ? 1 : 0;
ipu_select_buffer(CSI_MEM, IPU_OUTPUT_BUFFER, buffer_num);
#endif
} else {
cam->still_counter++;
wake_up_interruptible(&cam->still_queue);
}
@@ -124,11 +130,13 @@ static int prp_still_start(void *private)
pixel_fmt, cam->v2f.fmt.pix.width,
cam->v2f.fmt.pix.height,
cam->v2f.fmt.pix.width, IPU_ROTATE_NONE,
cam->still_buf, 0, 0, 0);
cam->still_buf[0], cam->still_buf[1],
0, 0);
if (err != 0)
return err;
#ifdef CONFIG_MXC_IPU_V1
ipu_clear_irq(IPU_IRQ_SENSOR_OUT_EOF);
err = ipu_request_irq(IPU_IRQ_SENSOR_OUT_EOF, prp_still_callback,
0, "Mxc Camera", cam);
if (err != 0) {
@@ -137,6 +145,7 @@ static int prp_still_start(void *private)
}
callback_flag = 0;
callback_eof_flag = 0;
ipu_clear_irq(IPU_IRQ_SENSOR_EOF);
err = ipu_request_irq(IPU_IRQ_SENSOR_EOF, prp_csi_eof_callback,
0, "Mxc Camera", NULL);
if (err != 0) {
@@ -144,6 +153,9 @@ static int prp_still_start(void *private)
return err;
}
#else
callback_eof_flag = 0;
buffer_num = 0;
ipu_clear_irq(IPU_IRQ_CSI0_OUT_EOF);
err = ipu_request_irq(IPU_IRQ_CSI0_OUT_EOF, prp_still_callback,
0, "Mxc Camera", cam);
@@ -152,8 +164,6 @@ static int prp_still_start(void *private)
return err;
}
callback_eof_flag = 0;
ipu_select_buffer(CSI_MEM, IPU_OUTPUT_BUFFER, 0);
ipu_enable_channel(CSI_MEM);
ipu_enable_csi(cam->csi);

4
drivers/media/video/mxc/capture/mx27_prpsw.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -702,7 +702,7 @@ static int prp_still_start(void *private)
cam_data *cam = (cam_data *) private;
g_still_on = 1;
g_prp_cfg.ch2_ptr = (unsigned int)cam->still_buf;
g_prp_cfg.ch2_ptr = (unsigned int)cam->still_buf[0];
g_prp_cfg.ch2_ptr2 = 0;
if (prp_v4l2_cfg(&g_prp_cfg, cam))

38
drivers/media/video/mxc/capture/mxc_v4l2_capture.c
View File

@@ -1572,7 +1572,7 @@ static ssize_t mxc_v4l_read(struct file *file, char *buf, size_t count,
loff_t *ppos)
{
int err = 0;
u8 *v_address;
u8 *v_address[2];
struct video_device *dev = video_devdata(file);
cam_data *cam = video_get_drvdata(dev);
@@ -1583,11 +1583,17 @@ static ssize_t mxc_v4l_read(struct file *file, char *buf, size_t count,
if (cam->overlay_on == true)
stop_preview(cam);
v_address = dma_alloc_coherent(0,
v_address[0] = dma_alloc_coherent(0,
PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage),
&cam->still_buf, GFP_DMA | GFP_KERNEL);
&cam->still_buf[0],
GFP_DMA | GFP_KERNEL);
if (!v_address) {
v_address[1] = dma_alloc_coherent(0,
PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage),
&cam->still_buf[1],
GFP_DMA | GFP_KERNEL);
if (!v_address[0] || !v_address[1]) {
err = -ENOBUFS;
goto exit0;
}
@@ -1595,14 +1601,14 @@ static ssize_t mxc_v4l_read(struct file *file, char *buf, size_t count,
err = prp_still_select(cam);
if (err != 0) {
err = -EIO;
goto exit1;
goto exit0;
}
cam->still_counter = 0;
err = cam->csi_start(cam);
if (err != 0) {
err = -EIO;
goto exit2;
goto exit1;
}
if (!wait_event_interruptible_timeout(cam->still_queue,
@@ -1611,19 +1617,23 @@ static ssize_t mxc_v4l_read(struct file *file, char *buf, size_t count,
pr_err("ERROR: v4l2 capture: mxc_v4l_read timeout counter %x\n",
cam->still_counter);
err = -ETIME;
goto exit2;
goto exit1;
}
err = copy_to_user(buf, v_address, cam->v2f.fmt.pix.sizeimage);
exit2:
prp_still_deselect(cam);
err = copy_to_user(buf, v_address[1], cam->v2f.fmt.pix.sizeimage);
exit1:
dma_free_coherent(0, cam->v2f.fmt.pix.sizeimage, v_address,
cam->still_buf);
cam->still_buf = 0;
prp_still_deselect(cam);
exit0:
if (v_address[0] != 0)
dma_free_coherent(0, cam->v2f.fmt.pix.sizeimage, v_address[0],
cam->still_buf[0]);
if (v_address[1] != 0)
dma_free_coherent(0, cam->v2f.fmt.pix.sizeimage, v_address[1],
cam->still_buf[1]);
cam->still_buf[0] = cam->still_buf[1] = 0;
if (cam->overlay_on == true) {
start_preview(cam);
}

2
drivers/media/video/mxc/capture/mxc_v4l2_capture.h
View File

@@ -123,7 +123,7 @@ typedef struct _cam_data {
/* still image capture */
wait_queue_head_t still_queue;
int still_counter;
dma_addr_t still_buf;
dma_addr_t still_buf[2];
void *still_buf_vaddr;
/* overlay */

62
drivers/media/video/mxc/capture/ov3640.c
View File

@@ -40,8 +40,8 @@ enum ov3640_mode {
ov3640_mode_MIN = 0,
ov3640_mode_VGA_640_480 = 0,
ov3640_mode_QVGA_320_240 = 1,
ov3640_mode_QXGA_2048_1536 = 2,
ov3640_mode_XGA_1024_768 = 3,
ov3640_mode_XGA_1024_768 = 2,
ov3640_mode_QXGA_2048_1536 = 3,
ov3640_mode_NTSC_720_480 = 4,
ov3640_mode_PAL_720_576 = 5,
ov3640_mode_MAX = 5
@@ -93,6 +93,44 @@ struct sensor {
} ov3640_data;
static struct reg_value ov3640_setting_15fps_QXGA_2048_1536[] = {
#if 0
/* The true 15fps QXGA setting. */
{0x3012, 0x80, 0, 0}, {0x304d, 0x41, 0, 0}, {0x3087, 0x16, 0, 0},
{0x30aa, 0x45, 0, 0}, {0x30b0, 0xff, 0, 0}, {0x30b1, 0xff, 0, 0},
{0x30b2, 0x13, 0, 0}, {0x30d7, 0x10, 0, 0}, {0x309e, 0x00, 0, 0},
{0x3602, 0x26, 0, 0}, {0x3603, 0x4D, 0, 0}, {0x364c, 0x04, 0, 0},
{0x360c, 0x12, 0, 0}, {0x361e, 0x00, 0, 0}, {0x361f, 0x11, 0, 0},
{0x3633, 0x03, 0, 0}, {0x3629, 0x3c, 0, 0}, {0x300e, 0x33, 0, 0},
{0x300f, 0x21, 0, 0}, {0x3010, 0x20, 0, 0}, {0x3011, 0x00, 0, 0},
{0x304c, 0x81, 0, 0}, {0x3029, 0x47, 0, 0}, {0x3070, 0x00, 0, 0},
{0x3071, 0xEC, 0, 0}, {0x301C, 0x06, 0, 0}, {0x3072, 0x00, 0, 0},
{0x3073, 0xC5, 0, 0}, {0x301D, 0x07, 0, 0}, {0x3018, 0x38, 0, 0},
{0x3019, 0x30, 0, 0}, {0x301a, 0x61, 0, 0}, {0x307d, 0x00, 0, 0},
{0x3087, 0x02, 0, 0}, {0x3082, 0x20, 0, 0}, {0x303c, 0x08, 0, 0},
{0x303d, 0x18, 0, 0}, {0x303e, 0x06, 0, 0}, {0x303F, 0x0c, 0, 0},
{0x3030, 0x62, 0, 0}, {0x3031, 0x26, 0, 0}, {0x3032, 0xe6, 0, 0},
{0x3033, 0x6e, 0, 0}, {0x3034, 0xea, 0, 0}, {0x3035, 0xae, 0, 0},
{0x3036, 0xa6, 0, 0}, {0x3037, 0x6a, 0, 0}, {0x3015, 0x12, 0, 0},
{0x3014, 0x04, 0, 0}, {0x3013, 0xf7, 0, 0}, {0x3104, 0x02, 0, 0},
{0x3105, 0xfd, 0, 0}, {0x3106, 0x00, 0, 0}, {0x3107, 0xff, 0, 0},
{0x3308, 0xa5, 0, 0}, {0x3316, 0xff, 0, 0}, {0x3317, 0x00, 0, 0},
{0x3087, 0x02, 0, 0}, {0x3082, 0x20, 0, 0}, {0x3300, 0x13, 0, 0},
{0x3301, 0xd6, 0, 0}, {0x3302, 0xef, 0, 0}, {0x30b8, 0x20, 0, 0},
{0x30b9, 0x17, 0, 0}, {0x30ba, 0x04, 0, 0}, {0x30bb, 0x08, 0, 0},
{0x3100, 0x02, 0, 0}, {0x3304, 0x00, 0, 0}, {0x3400, 0x00, 0, 0},
{0x3404, 0x02, 0, 0}, {0x3020, 0x01, 0, 0}, {0x3021, 0x1d, 0, 0},
{0x3022, 0x00, 0, 0}, {0x3023, 0x0a, 0, 0}, {0x3024, 0x08, 0, 0},
{0x3025, 0x18, 0, 0}, {0x3026, 0x06, 0, 0}, {0x3027, 0x0c, 0, 0},
{0x335f, 0x68, 0, 0}, {0x3360, 0x18, 0, 0}, {0x3361, 0x0c, 0, 0},
{0x3362, 0x68, 0, 0}, {0x3363, 0x08, 0, 0}, {0x3364, 0x04, 0, 0},
{0x3403, 0x42, 0, 0}, {0x3088, 0x08, 0, 0}, {0x3089, 0x00, 0, 0},
{0x308a, 0x06, 0, 0}, {0x308b, 0x00, 0, 0}, {0x3507, 0x06, 0, 0},
{0x350a, 0x4f, 0, 0}, {0x3600, 0xc4, 0, 0},
#endif
/*
* Only support 7.5fps for QXGA to workaround screen tearing issue
* for 15fps when capturing still image.
*/
{0x3012, 0x80, 0, 0}, {0x304d, 0x45, 0, 0}, {0x30a7, 0x5e, 0, 0},
{0x3087, 0x16, 0, 0}, {0x309c, 0x1a, 0, 0}, {0x30a2, 0xe4, 0, 0},
{0x30aa, 0x42, 0, 0}, {0x30b0, 0xff, 0, 0}, {0x30b1, 0xff, 0, 0},
@@ -118,25 +156,9 @@ static struct reg_value ov3640_setting_15fps_QXGA_2048_1536[] = {
{0x30bb, 0x08, 0, 0}, {0x3507, 0x06, 0, 0}, {0x350a, 0x4f, 0, 0},
{0x3100, 0x02, 0, 0}, {0x3301, 0xde, 0, 0}, {0x3304, 0x00, 0, 0},
{0x3400, 0x00, 0, 0}, {0x3404, 0x02, 0, 0}, {0x3600, 0xc4, 0, 0},
{0x3302, 0xef, 0, 0}, {0x3020, 0x01, 0, 0}, {0x3021, 0x1d, 0, 0},
{0x3022, 0x00, 0, 0}, {0x3023, 0x0a, 0, 0}, {0x3024, 0x08, 0, 0},
{0x3025, 0x00, 0, 0}, {0x3026, 0x06, 0, 0}, {0x3027, 0x00, 0, 0},
{0x335f, 0x68, 0, 0}, {0x3360, 0x00, 0, 0}, {0x3361, 0x00, 0, 0},
{0x3362, 0x68, 0, 0}, {0x3363, 0x00, 0, 0}, {0x3364, 0x00, 0, 0},
{0x3403, 0x00, 0, 0}, {0x3088, 0x08, 0, 0}, {0x3089, 0x00, 0, 0},
{0x308a, 0x06, 0, 0}, {0x308b, 0x00, 0, 0}, {0x307c, 0x10, 0, 0},
{0x3090, 0xc0, 0, 0}, {0x304c, 0x84, 0, 0}, {0x308d, 0x04, 0, 0},
{0x3086, 0x03, 0, 0}, {0x3086, 0x00, 0, 0}, {0x3012, 0x00, 0, 0},
{0x3020, 0x01, 0, 0}, {0x3021, 0x1d, 0, 0}, {0x3022, 0x00, 0, 0},
{0x3023, 0x0a, 0, 0}, {0x3024, 0x08, 0, 0}, {0x3025, 0x18, 0, 0},
{0x3026, 0x06, 0, 0}, {0x3027, 0x0c, 0, 0}, {0x302a, 0x06, 0, 0},
{0x302b, 0x20, 0, 0}, {0x3075, 0x44, 0, 0}, {0x300d, 0x00, 0, 0},
{0x30d7, 0x00, 0, 0}, {0x3069, 0x40, 0, 0}, {0x303e, 0x01, 0, 0},
{0x303f, 0x80, 0, 0}, {0x3302, 0x20, 0, 0}, {0x335f, 0x68, 0, 0},
{0x3360, 0x18, 0, 0}, {0x3361, 0x0c, 0, 0}, {0x3362, 0x68, 0, 0},
{0x3363, 0x08, 0, 0}, {0x3364, 0x04, 0, 0}, {0x3403, 0x42, 0, 0},
{0x3088, 0x08, 0, 0}, {0x3089, 0x00, 0, 0}, {0x308a, 0x06, 0, 0},
{0x308b, 0x00, 0, 0},
{0x308b, 0x00, 0, 0}, {0x308d, 0x04, 0, 0}, {0x3086, 0x03, 0, 0},
{0x3086, 0x00, 0, 0}, {0x3011, 0x01, 0, 0},
};
static struct reg_value ov3640_setting_15fps_XGA_1024_768[] = {