From: Sergio Aguirre <saaguirre@xxxxxx>
OMAP: CAM: ISP: Backend Fixes
This patch Adds the following changes:
ISP Preview
- Remove table address and data from register context save/restore.
- Added PCR register to context save/restore.
- Added lower boundary checking for image size in try_size function.
ISP Resizer
- Fixed default coefficients to be on sync with CDP
- Added lower boundary check for resizer input size.
Signed-off-by: Vaibhav Hiremat <hvaibhav@xxxxxx>
Signed-off-by: Troy Laramy <t-laramy@xxxxxx>
Signed-off-by: Sergio Aguirre <saaguirre@xxxxxx>
---
drivers/media/video/isp/isppreview.c | 8 ++++-
drivers/media/video/isp/isppreview.h | 4 +-
drivers/media/video/isp/ispresizer.c | 48 +++++++++++++++++++----------------
3 files changed, 35 insertions(+), 25 deletions(-)
Index: omapkernel/drivers/media/video/isp/isppreview.c
===================================================================
--- omapkernel.orig/drivers/media/video/isp/isppreview.c 2008-10-14 10:04:34.000000000 -0500
+++ omapkernel/drivers/media/video/isp/isppreview.c 2008-10-14 10:12:29.000000000 -0500
@@ -65,12 +65,11 @@
{ISPPRV_CNT_BRT, 0x0000},
{ISPPRV_CSUP, 0x0000},
{ISPPRV_SETUP_YC, 0x0000},
- {ISPPRV_SET_TBL_ADDR, 0x0000},
- {ISPPRV_SET_TBL_DATA, 0x0000},
{ISPPRV_CDC_THR0, 0x0000},
{ISPPRV_CDC_THR1, 0x0000},
{ISPPRV_CDC_THR2, 0x0000},
{ISPPRV_CDC_THR3, 0x0000},
+ {ISPPRV_PCR, 0x0000},
{ISP_TOK_TERM, 0x0000}
};
@@ -1437,6 +1436,11 @@
ispprev_obj.previn_w = input_w;
ispprev_obj.previn_h = input_h;
+ if (input_w < 32 || input_h < 32) {
+ printk(KERN_ERR "ISP_ERR : preview does not support "
+ "width < 16 or height < 32 \n");
+ return -EINVAL;
+ }
if (is_sil_rev_equal_to(OMAP3430_REV_ES1_0))
max_out = ISPPRV_MAXOUTPUT_WIDTH;
else
Index: omapkernel/drivers/media/video/isp/isppreview.h
===================================================================
--- omapkernel.orig/drivers/media/video/isp/isppreview.h 2008-10-14 10:04:34.000000000 -0500
+++ omapkernel/drivers/media/video/isp/isppreview.h 2008-10-14 10:12:29.000000000 -0500
@@ -91,8 +91,8 @@
enum preview_color_effect {
PREV_DEFAULT_COLOR = 0,
- PREV_BW_COLOR = 1,
- PREV_SEPIA_COLOR = 2
+ PREV_SEPIA_COLOR = 1,
+ PREV_BW_COLOR = 2
};
Index: omapkernel/drivers/media/video/isp/ispresizer.c
===================================================================
--- omapkernel.orig/drivers/media/video/isp/ispresizer.c 2008-10-14 10:04:34.000000000 -0500
+++ omapkernel/drivers/media/video/isp/ispresizer.c 2008-10-14 10:12:29.000000000 -0500
@@ -33,14 +33,14 @@
static struct isprsz_yenh ispreszdefaultyenh = {0, 0, 0, 0};
static struct isprsz_coef ispreszdefcoef = {
{
- 0x0000, 0x0100, 0x0000, 0x0000,
- 0x03FA, 0x00F6, 0x0010, 0x0000,
- 0x03F9, 0x00DB, 0x002C, 0x0000,
- 0x03FB, 0x00B3, 0x0053, 0x03FF,
- 0x03FD, 0x0082, 0x0084, 0x03FD,
- 0x03FF, 0x0053, 0x00B3, 0x03FB,
- 0x0000, 0x002C, 0x00DB, 0x03F9,
- 0x0000, 0x0010, 0x00F6, 0x03FA
+ 0x0027, 0x00B2, 0x00B2, 0x0027,
+ 0x0027, 0x00B2, 0x0027, 0x00B2,
+ 0x0027, 0x00B2, 0x0027, 0x00B2,
+ 0x0027, 0x00B2, 0x0027, 0x00B2,
+ 0x0027, 0x00B2, 0x0027, 0x00B2,
+ 0x0027, 0x00B2, 0x0027, 0x00B2,
+ 0x0027, 0x00B2, 0x0027, 0x00B2,
+ 0x0027, 0x00B2, 0x0027, 0x00B2,
},
{
0x0000, 0x0100, 0x0000, 0x0000,
@@ -53,13 +53,13 @@
0x0000, 0x0010, 0x00F6, 0x03FA
},
{
- 0x0004, 0x0023, 0x005A, 0x0058,
- 0x0023, 0x0004, 0x0000, 0x0002,
- 0x0018, 0x004d, 0x0060, 0x0031,
- 0x0008, 0x0000, 0x0001, 0x000f,
- 0x003f, 0x0062, 0x003f, 0x000f,
- 0x0001, 0x0000, 0x0008, 0x0031,
- 0x0060, 0x004d, 0x0018, 0x0002
+ 0x0004, 0x0023, 0x0023, 0x005A,
+ 0x005A, 0x0058, 0x0058, 0x0004,
+ 0x0023, 0x0023, 0x005A, 0x005A,
+ 0x0058, 0x0058, 0x0004, 0x0023,
+ 0x0023, 0x005A, 0x005A, 0x0058,
+ 0x0058, 0x0004, 0x0023, 0x0023,
+ 0x005A, 0x005A, 0x0058, 0x0058
},
{
0x0004, 0x0023, 0x005A, 0x0058,
@@ -335,6 +335,12 @@
input_w = *input_width;
input_h = *input_height;
+ if (input_w < 32 || input_h < 32) {
+ DPRINTK_ISPCCDC("ISP_ERR: RESIZER cannot handle input width"
+ " less than 32 pixels or height less than"
+ " 32\n");
+ return -EINVAL;
+ }
input_w -= 6;
input_h -= 6;
@@ -536,6 +542,7 @@
h_filter_coef_4tap[j + 1] <<
ISPRSZ_HFILT10_COEF1_SHIFT),
ISPRSZ_HFILT10 + (i * 0x04));
+ j += 2;
}
} else {
j = 0;
@@ -606,14 +613,13 @@
**/
void ispresizer_enable(u8 enable)
{
+ int val;
DPRINTK_ISPRESZ("+ispresizer_enable()+\n");
if (enable)
- omap_writel((omap_readl(ISPRSZ_PCR)) | ISPRSZ_PCR_ENABLE,
- ISPRSZ_PCR);
- else {
- omap_writel((omap_readl(ISPRSZ_PCR)) & ~ISPRSZ_PCR_ENABLE,
- ISPRSZ_PCR);
- }
+ val = (((omap_readl(ISPRSZ_PCR)) & 0x2) | ISPRSZ_PCR_ENABLE);
+ else
+ val = (omap_readl(ISPRSZ_PCR) & ~ISPRSZ_PCR_ENABLE);
+ omap_writel(val, ISPRSZ_PCR);
DPRINTK_ISPRESZ("+ispresizer_enable()-\n");
}
EXPORT_SYMBOL(ispresizer_enable);
--
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