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[media] exynos4-is: Improve the ISP chain parameter count calculation

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Instead of incrementing p_region_num field each time we set a bit
in the parameter mask calculate the number of bits set only when
this information is needed.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sylwester Nawrocki 2013-04-10 06:23:05 -03:00 committed by Mauro Carvalho Chehab
parent 4c8f0629f5
commit a6f5635e63
6 changed files with 34 additions and 69 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
drivers/media/platform/exynos4-is/fimc-is-param.c
View File

@ -12,14 +12,15 @@
*/
#define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__
#include <linux/bitops.h>
#include <linux/bug.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
@ -160,6 +161,20 @@ int __fimc_is_hw_update_param(struct fimc_is *is, u32 offset)
return 0;
}
unsigned int __get_pending_param_count(struct fimc_is *is)
{
struct is_config_param *config = &is->cfg_param[is->scenario_id];
unsigned long flags;
unsigned int count;
spin_lock_irqsave(&is->slock, flags);
count = hweight32(config->p_region_index1);
count += hweight32(config->p_region_index2);
spin_unlock_irqrestore(&is->slock, flags);
return count;
}
int __is_hw_update_params(struct fimc_is *is)
{
unsigned long *p_index1, *p_index2;
@ -234,15 +249,10 @@ void __is_set_frame_size(struct fimc_is *is, struct v4l2_mbus_framefmt *mf)
/* Update field */
fimc_is_set_param_bit(is, PARAM_ISP_OTF_INPUT);
fimc_is_inc_param_num(is);
fimc_is_set_param_bit(is, PARAM_ISP_OTF_OUTPUT);
fimc_is_inc_param_num(is);
fimc_is_set_param_bit(is, PARAM_DRC_OTF_INPUT);
fimc_is_inc_param_num(is);
fimc_is_set_param_bit(is, PARAM_DRC_OTF_OUTPUT);
fimc_is_inc_param_num(is);
fimc_is_set_param_bit(is, PARAM_FD_OTF_INPUT);
fimc_is_inc_param_num(is);
}
int fimc_is_hw_get_sensor_max_framerate(struct fimc_is *is)
@ -277,14 +287,11 @@ void __is_set_sensor(struct fimc_is *is, int fps)
isp->otf_input.frametime_max = (u32)1000000 / fps;
}
if (!test_bit(PARAM_SENSOR_FRAME_RATE, p_index)) {
if (!test_bit(PARAM_SENSOR_FRAME_RATE, p_index))
fimc_is_set_param_bit(is, PARAM_SENSOR_FRAME_RATE);
fimc_is_inc_param_num(is);
}
if (!test_bit(PARAM_ISP_OTF_INPUT, p_index)) {
if (!test_bit(PARAM_ISP_OTF_INPUT, p_index))
fimc_is_set_param_bit(is, PARAM_ISP_OTF_INPUT);
fimc_is_inc_param_num(is);
}
}
void __is_set_init_isp_aa(struct fimc_is *is)
@ -306,7 +313,6 @@ void __is_set_init_isp_aa(struct fimc_is *is)
isp->aa.err = ISP_AF_ERROR_NONE;
fimc_is_set_param_bit(is, PARAM_ISP_AA);
fimc_is_inc_param_num(is);
}
void __is_set_isp_flash(struct fimc_is *is, u32 cmd, u32 redeye)
@ -319,10 +325,8 @@ void __is_set_isp_flash(struct fimc_is *is, u32 cmd, u32 redeye)
isp->flash.redeye = redeye;
isp->flash.err = ISP_FLASH_ERROR_NONE;
if (!test_bit(PARAM_ISP_FLASH, &cfg->p_region_index1)) {
if (!test_bit(PARAM_ISP_FLASH, &cfg->p_region_index1))
fimc_is_set_param_bit(is, PARAM_ISP_FLASH);
fimc_is_inc_param_num(is);
}
}
void __is_set_isp_awb(struct fimc_is *is, u32 cmd, u32 val)
@ -338,10 +342,8 @@ void __is_set_isp_awb(struct fimc_is *is, u32 cmd, u32 val)
isp->awb.illumination = val;
isp->awb.err = ISP_AWB_ERROR_NONE;
if (!test_bit(PARAM_ISP_AWB, p_index)) {
if (!test_bit(PARAM_ISP_AWB, p_index))
fimc_is_set_param_bit(is, PARAM_ISP_AWB);
fimc_is_inc_param_num(is);
}
}
void __is_set_isp_effect(struct fimc_is *is, u32 cmd)
@ -356,10 +358,8 @@ void __is_set_isp_effect(struct fimc_is *is, u32 cmd)
isp->effect.cmd = cmd;
isp->effect.err = ISP_IMAGE_EFFECT_ERROR_NONE;
if (!test_bit(PARAM_ISP_IMAGE_EFFECT, p_index)) {
if (!test_bit(PARAM_ISP_IMAGE_EFFECT, p_index))
fimc_is_set_param_bit(is, PARAM_ISP_IMAGE_EFFECT);
fimc_is_inc_param_num(is);
}
}
void __is_set_isp_iso(struct fimc_is *is, u32 cmd, u32 val)
@ -375,10 +375,8 @@ void __is_set_isp_iso(struct fimc_is *is, u32 cmd, u32 val)
isp->iso.value = val;
isp->iso.err = ISP_ISO_ERROR_NONE;
if (!test_bit(PARAM_ISP_ISO, p_index)) {
if (!test_bit(PARAM_ISP_ISO, p_index))
fimc_is_set_param_bit(is, PARAM_ISP_ISO);
fimc_is_inc_param_num(is);
}
}
void __is_set_isp_adjust(struct fimc_is *is, u32 cmd, u32 val)
@ -423,7 +421,6 @@ void __is_set_isp_adjust(struct fimc_is *is, u32 cmd, u32 val)
isp->adjust.cmd = cmd;
isp->adjust.err = ISP_ADJUST_ERROR_NONE;
fimc_is_set_param_bit(is, PARAM_ISP_ADJUST);
fimc_is_inc_param_num(is);
} else {
isp->adjust.cmd |= cmd;
}
@ -461,7 +458,6 @@ void __is_set_isp_metering(struct fimc_is *is, u32 id, u32 val)
if (!test_bit(PARAM_ISP_METERING, p_index)) {
isp->metering.err = ISP_METERING_ERROR_NONE;
fimc_is_set_param_bit(is, PARAM_ISP_METERING);
fimc_is_inc_param_num(is);
}
}
@ -478,10 +474,8 @@ void __is_set_isp_afc(struct fimc_is *is, u32 cmd, u32 val)
isp->afc.manual = val;
isp->afc.err = ISP_AFC_ERROR_NONE;
if (!test_bit(PARAM_ISP_AFC, p_index)) {
if (!test_bit(PARAM_ISP_AFC, p_index))
fimc_is_set_param_bit(is, PARAM_ISP_AFC);
fimc_is_inc_param_num(is);
}
}
void __is_set_drc_control(struct fimc_is *is, u32 val)
@ -495,10 +489,8 @@ void __is_set_drc_control(struct fimc_is *is, u32 val)
drc->control.bypass = val;
if (!test_bit(PARAM_DRC_CONTROL, p_index)) {
if (!test_bit(PARAM_DRC_CONTROL, p_index))
fimc_is_set_param_bit(is, PARAM_DRC_CONTROL);
fimc_is_inc_param_num(is);
}
}
void __is_set_fd_control(struct fimc_is *is, u32 val)
@ -512,10 +504,8 @@ void __is_set_fd_control(struct fimc_is *is, u32 val)
fd->control.cmd = val;
if (!test_bit((PARAM_FD_CONFIG - 32), p_index)) {
if (!test_bit((PARAM_FD_CONFIG - 32), p_index))
fimc_is_set_param_bit(is, PARAM_FD_CONTROL);
fimc_is_inc_param_num(is);
}
}
void __is_set_fd_config_maxface(struct fimc_is *is, u32 val)
@ -533,7 +523,6 @@ void __is_set_fd_config_maxface(struct fimc_is *is, u32 val)
fd->config.cmd = FD_CONFIG_COMMAND_MAXIMUM_NUMBER;
fd->config.err = ERROR_FD_NONE;
fimc_is_set_param_bit(is, PARAM_FD_CONFIG);
fimc_is_inc_param_num(is);
} else {
fd->config.cmd |= FD_CONFIG_COMMAND_MAXIMUM_NUMBER;
}
@ -554,7 +543,6 @@ void __is_set_fd_config_rollangle(struct fimc_is *is, u32 val)
fd->config.cmd = FD_CONFIG_COMMAND_ROLL_ANGLE;
fd->config.err = ERROR_FD_NONE;
fimc_is_set_param_bit(is, PARAM_FD_CONFIG);
fimc_is_inc_param_num(is);
} else {
fd->config.cmd |= FD_CONFIG_COMMAND_ROLL_ANGLE;
}
@ -575,7 +563,6 @@ void __is_set_fd_config_yawangle(struct fimc_is *is, u32 val)
fd->config.cmd = FD_CONFIG_COMMAND_YAW_ANGLE;
fd->config.err = ERROR_FD_NONE;
fimc_is_set_param_bit(is, PARAM_FD_CONFIG);
fimc_is_inc_param_num(is);
} else {
fd->config.cmd |= FD_CONFIG_COMMAND_YAW_ANGLE;
}
@ -596,7 +583,6 @@ void __is_set_fd_config_smilemode(struct fimc_is *is, u32 val)
fd->config.cmd = FD_CONFIG_COMMAND_SMILE_MODE;
fd->config.err = ERROR_FD_NONE;
fimc_is_set_param_bit(is, PARAM_FD_CONFIG);
fimc_is_inc_param_num(is);
} else {
fd->config.cmd |= FD_CONFIG_COMMAND_SMILE_MODE;
}
@ -617,7 +603,6 @@ void __is_set_fd_config_blinkmode(struct fimc_is *is, u32 val)
fd->config.cmd = FD_CONFIG_COMMAND_BLINK_MODE;
fd->config.err = ERROR_FD_NONE;
fimc_is_set_param_bit(is, PARAM_FD_CONFIG);
fimc_is_inc_param_num(is);
} else {
fd->config.cmd |= FD_CONFIG_COMMAND_BLINK_MODE;
}
@ -638,7 +623,6 @@ void __is_set_fd_config_eyedetect(struct fimc_is *is, u32 val)
fd->config.cmd = FD_CONFIG_COMMAND_EYES_DETECT;
fd->config.err = ERROR_FD_NONE;
fimc_is_set_param_bit(is, PARAM_FD_CONFIG);
fimc_is_inc_param_num(is);
} else {
fd->config.cmd |= FD_CONFIG_COMMAND_EYES_DETECT;
}
@ -659,7 +643,6 @@ void __is_set_fd_config_mouthdetect(struct fimc_is *is, u32 val)
fd->config.cmd = FD_CONFIG_COMMAND_MOUTH_DETECT;
fd->config.err = ERROR_FD_NONE;
fimc_is_set_param_bit(is, PARAM_FD_CONFIG);
fimc_is_inc_param_num(is);
} else {
fd->config.cmd |= FD_CONFIG_COMMAND_MOUTH_DETECT;
}
@ -680,7 +663,6 @@ void __is_set_fd_config_orientation(struct fimc_is *is, u32 val)
fd->config.cmd = FD_CONFIG_COMMAND_ORIENTATION;
fd->config.err = ERROR_FD_NONE;
fimc_is_set_param_bit(is, PARAM_FD_CONFIG);
fimc_is_inc_param_num(is);
} else {
fd->config.cmd |= FD_CONFIG_COMMAND_ORIENTATION;
}
@ -701,7 +683,6 @@ void __is_set_fd_config_orientation_val(struct fimc_is *is, u32 val)
fd->config.cmd = FD_CONFIG_COMMAND_ORIENTATION_VALUE;
fd->config.err = ERROR_FD_NONE;
fimc_is_set_param_bit(is, PARAM_FD_CONFIG);
fimc_is_inc_param_num(is);
} else {
fd->config.cmd |= FD_CONFIG_COMMAND_ORIENTATION_VALUE;
}
@ -729,21 +710,18 @@ void fimc_is_set_initial_params(struct fimc_is *is)
/* Global */
global->shotmode.cmd = 1;
fimc_is_set_param_bit(is, PARAM_GLOBAL_SHOTMODE);
fimc_is_inc_param_num(is);
/* ISP */
isp->control.cmd = CONTROL_COMMAND_START;
isp->control.bypass = CONTROL_BYPASS_DISABLE;
isp->control.err = CONTROL_ERROR_NONE;
fimc_is_set_param_bit(is, PARAM_ISP_CONTROL);
fimc_is_inc_param_num(is);
isp->otf_input.cmd = OTF_INPUT_COMMAND_ENABLE;
if (!test_bit(PARAM_ISP_OTF_INPUT, p_index1)) {
isp->otf_input.width = DEFAULT_PREVIEW_STILL_WIDTH;
isp->otf_input.height = DEFAULT_PREVIEW_STILL_HEIGHT;
fimc_is_set_param_bit(is, PARAM_ISP_OTF_INPUT);
fimc_is_inc_param_num(is);
}
if (is->sensor->test_pattern)
isp->otf_input.format = OTF_INPUT_FORMAT_STRGEN_COLORBAR_BAYER;
@ -766,7 +744,6 @@ void fimc_is_set_initial_params(struct fimc_is *is)
isp->dma1_input.width = 0;
isp->dma1_input.err = DMA_INPUT_ERROR_NONE;
fimc_is_set_param_bit(is, PARAM_ISP_DMA1_INPUT);
fimc_is_inc_param_num(is);
isp->dma2_input.cmd = DMA_INPUT_COMMAND_DISABLE;
isp->dma2_input.width = 0;
@ -779,12 +756,10 @@ void fimc_is_set_initial_params(struct fimc_is *is)
isp->dma2_input.width = 0;
isp->dma2_input.err = DMA_INPUT_ERROR_NONE;
fimc_is_set_param_bit(is, PARAM_ISP_DMA2_INPUT);
fimc_is_inc_param_num(is);
isp->aa.cmd = ISP_AA_COMMAND_START;
isp->aa.target = ISP_AA_TARGET_AE | ISP_AA_TARGET_AWB;
fimc_is_set_param_bit(is, PARAM_ISP_AA);
fimc_is_inc_param_num(is);
if (!test_bit(PARAM_ISP_FLASH, p_index1))
__is_set_isp_flash(is, ISP_FLASH_COMMAND_DISABLE,
@ -826,7 +801,6 @@ void fimc_is_set_initial_params(struct fimc_is *is)
isp->otf_output.width = DEFAULT_PREVIEW_STILL_WIDTH;
isp->otf_output.height = DEFAULT_PREVIEW_STILL_HEIGHT;
fimc_is_set_param_bit(is, PARAM_ISP_OTF_OUTPUT);
fimc_is_inc_param_num(is);
}
isp->otf_output.format = OTF_OUTPUT_FORMAT_YUV444;
isp->otf_output.bitwidth = 12;
@ -847,7 +821,6 @@ void fimc_is_set_initial_params(struct fimc_is *is)
isp->dma1_output.dma_out_mask = 0;
isp->dma1_output.err = DMA_OUTPUT_ERROR_NONE;
fimc_is_set_param_bit(is, PARAM_ISP_DMA1_OUTPUT);
fimc_is_inc_param_num(is);
}
if (!test_bit(PARAM_ISP_DMA2_OUTPUT, p_index1)) {
@ -864,7 +837,6 @@ void fimc_is_set_initial_params(struct fimc_is *is)
isp->dma2_output.dma_out_mask = 0;
isp->dma2_output.err = DMA_OUTPUT_ERROR_NONE;
fimc_is_set_param_bit(is, PARAM_ISP_DMA2_OUTPUT);
fimc_is_inc_param_num(is);
}
/* Sensor */
@ -882,7 +854,6 @@ void fimc_is_set_initial_params(struct fimc_is *is)
drc->otf_input.width = DEFAULT_PREVIEW_STILL_WIDTH;
drc->otf_input.height = DEFAULT_PREVIEW_STILL_HEIGHT;
fimc_is_set_param_bit(is, PARAM_DRC_OTF_INPUT);
fimc_is_inc_param_num(is);
}
drc->otf_input.format = OTF_INPUT_FORMAT_YUV444;
drc->otf_input.bitwidth = 12;
@ -900,14 +871,12 @@ void fimc_is_set_initial_params(struct fimc_is *is)
drc->dma_input.width = 0;
drc->dma_input.err = DMA_INPUT_ERROR_NONE;
fimc_is_set_param_bit(is, PARAM_DRC_DMA_INPUT);
fimc_is_inc_param_num(is);
drc->otf_output.cmd = OTF_OUTPUT_COMMAND_ENABLE;
if (!test_bit(PARAM_DRC_OTF_OUTPUT, p_index1)) {
drc->otf_output.width = DEFAULT_PREVIEW_STILL_WIDTH;
drc->otf_output.height = DEFAULT_PREVIEW_STILL_HEIGHT;
fimc_is_set_param_bit(is, PARAM_DRC_OTF_OUTPUT);
fimc_is_inc_param_num(is);
}
drc->otf_output.format = OTF_OUTPUT_FORMAT_YUV444;
drc->otf_output.bitwidth = 8;
@ -923,8 +892,8 @@ void fimc_is_set_initial_params(struct fimc_is *is)
fd->otf_input.width = DEFAULT_PREVIEW_STILL_WIDTH;
fd->otf_input.height = DEFAULT_PREVIEW_STILL_HEIGHT;
fimc_is_set_param_bit(is, PARAM_FD_OTF_INPUT);
fimc_is_inc_param_num(is);
}
fd->otf_input.format = OTF_INPUT_FORMAT_YUV444;
fd->otf_input.bitwidth = 8;
fd->otf_input.order = 0;
@ -941,7 +910,6 @@ void fimc_is_set_initial_params(struct fimc_is *is)
fd->dma_input.width = 0;
fd->dma_input.err = DMA_INPUT_ERROR_NONE;
fimc_is_set_param_bit(is, PARAM_FD_DMA_INPUT);
fimc_is_inc_param_num(is);
__is_set_fd_config_maxface(is, 5);
__is_set_fd_config_rollangle(is, FD_CONFIG_ROLL_ANGLE_FULL);

4
drivers/media/platform/exynos4-is/fimc-is-param.h
View File

@ -985,13 +985,11 @@ struct sensor_open_extended {
u32 i2c_sclk;
};
#define fimc_is_inc_param_num(is) \
atomic_inc(&(is)->cfg_param[(is)->scenario_id].p_region_num)
struct fimc_is;
int fimc_is_hw_get_sensor_max_framerate(struct fimc_is *is);
void fimc_is_set_initial_params(struct fimc_is *is);
unsigned int __get_pending_param_count(struct fimc_is *is);
int __is_hw_update_params(struct fimc_is *is);
void __is_get_frame_size(struct fimc_is *is, struct v4l2_mbus_framefmt *mf);

3
drivers/media/platform/exynos4-is/fimc-is-regs.c
View File

@ -80,6 +80,7 @@ int fimc_is_hw_wait_intmsr0_intmsd0(struct fimc_is *is)
int fimc_is_hw_set_param(struct fimc_is *is)
{
struct is_config_param *cfg = &is->cfg_param[is->scenario_id];
unsigned int param_count = __get_pending_param_count(is);
fimc_is_hw_wait_intmsr0_intmsd0(is);
@ -87,7 +88,7 @@ int fimc_is_hw_set_param(struct fimc_is *is)
mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
mcuctl_write(is->scenario_id, is, MCUCTL_REG_ISSR(2));
mcuctl_write(atomic_read(&cfg->p_region_num), is, MCUCTL_REG_ISSR(3));
mcuctl_write(param_count, is, MCUCTL_REG_ISSR(3));
mcuctl_write(cfg->p_region_index1, is, MCUCTL_REG_ISSR(4));
mcuctl_write(cfg->p_region_index2, is, MCUCTL_REG_ISSR(5));

2
drivers/media/platform/exynos4-is/fimc-is.c
View File

@ -532,7 +532,6 @@ static void fimc_is_general_irq_handler(struct fimc_is *is)
case HIC_SET_PARAMETER:
is->cfg_param[is->scenario_id].p_region_index1 = 0;
is->cfg_param[is->scenario_id].p_region_index2 = 0;
atomic_set(&is->cfg_param[is->scenario_id].p_region_num, 0);
set_bit(IS_ST_BLOCK_CMD_CLEARED, &is->state);
pr_debug("HIC_SET_PARAMETER\n");
break;
@ -593,7 +592,6 @@ static void fimc_is_general_irq_handler(struct fimc_is *is)
case HIC_SET_PARAMETER:
is->cfg_param[is->scenario_id].p_region_index1 = 0;
is->cfg_param[is->scenario_id].p_region_index2 = 0;
atomic_set(&is->cfg_param[is->scenario_id].p_region_num, 0);
set_bit(IS_ST_BLOCK_CMD_CLEARED, &is->state);
break;
}

1
drivers/media/platform/exynos4-is/fimc-is.h
View File

@ -226,7 +226,6 @@ struct is_config_param {
struct drc_param drc;
struct fd_param fd;
atomic_t p_region_num;
unsigned long p_region_index1;
unsigned long p_region_index2;
};

7
drivers/media/platform/exynos4-is/fimc-isp.c
View File

@ -229,8 +229,11 @@ static int fimc_isp_subdev_s_stream(struct v4l2_subdev *sd, int on)
fimc_is_mem_barrier();
if (on) {
if (atomic_read(&is->cfg_param[is->scenario_id].p_region_num))
if (__get_pending_param_count(is)) {
ret = fimc_is_itf_s_param(is, true);
if (ret < 0)
return ret;
}
v4l2_dbg(1, debug, sd, "changing mode to %d\n",
is->scenario_id);
@ -414,7 +417,6 @@ static int __ctrl_set_aewb_lock(struct fimc_is *is,
isp->aa.cmd = cmd;
isp->aa.target = ISP_AA_TARGET_AE;
fimc_is_set_param_bit(is, PARAM_ISP_AA);
fimc_is_inc_param_num(is);
is->af.ae_lock_state = ae_lock;
wmb();
@ -426,7 +428,6 @@ static int __ctrl_set_aewb_lock(struct fimc_is *is,
isp->aa.cmd = cmd;
isp->aa.target = ISP_AA_TARGET_AE;
fimc_is_set_param_bit(is, PARAM_ISP_AA);
fimc_is_inc_param_num(is);
is->af.awb_lock_state = awb_lock;
wmb();