diff options
Diffstat (limited to 'drivers/media/video/m5mols/m5mols_capture.c')
| -rw-r--r-- | drivers/media/video/m5mols/m5mols_capture.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/drivers/media/video/m5mols/m5mols_capture.c b/drivers/media/video/m5mols/m5mols_capture.c deleted file mode 100644 index cb243bd278ce..000000000000 --- a/drivers/media/video/m5mols/m5mols_capture.c +++ /dev/null @@ -1,155 +0,0 @@ - -/* - * The Capture code for Fujitsu M-5MOLS ISP - * - * Copyright (C) 2011 Samsung Electronics Co., Ltd. - * Author: HeungJun Kim <riverful.kim@samsung.com> - * - * Copyright (C) 2009 Samsung Electronics Co., Ltd. - * Author: Dongsoo Nathaniel Kim <dongsoo45.kim@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <linux/i2c.h> -#include <linux/slab.h> -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/regulator/consumer.h> -#include <linux/videodev2.h> -#include <media/v4l2-ctrls.h> -#include <media/v4l2-device.h> -#include <media/v4l2-subdev.h> -#include <media/m5mols.h> -#include <media/s5p_fimc.h> - -#include "m5mols.h" -#include "m5mols_reg.h" - -/** - * m5mols_read_rational - I2C read of a rational number - * - * Read numerator and denominator from registers @addr_num and @addr_den - * respectively and return the division result in @val. - */ -static int m5mols_read_rational(struct v4l2_subdev *sd, u32 addr_num, - u32 addr_den, u32 *val) -{ - u32 num, den; - - int ret = m5mols_read_u32(sd, addr_num, &num); - if (!ret) - ret = m5mols_read_u32(sd, addr_den, &den); - if (ret) - return ret; - *val = den == 0 ? 0 : num / den; - return ret; -} - -/** - * m5mols_capture_info - Gather captured image information - * - * For now it gathers only EXIF information and file size. - */ -static int m5mols_capture_info(struct m5mols_info *info) -{ - struct m5mols_exif *exif = &info->cap.exif; - struct v4l2_subdev *sd = &info->sd; - int ret; - - ret = m5mols_read_rational(sd, EXIF_INFO_EXPTIME_NU, - EXIF_INFO_EXPTIME_DE, &exif->exposure_time); - if (ret) - return ret; - ret = m5mols_read_rational(sd, EXIF_INFO_TV_NU, EXIF_INFO_TV_DE, - &exif->shutter_speed); - if (ret) - return ret; - ret = m5mols_read_rational(sd, EXIF_INFO_AV_NU, EXIF_INFO_AV_DE, - &exif->aperture); - if (ret) - return ret; - ret = m5mols_read_rational(sd, EXIF_INFO_BV_NU, EXIF_INFO_BV_DE, - &exif->brightness); - if (ret) - return ret; - ret = m5mols_read_rational(sd, EXIF_INFO_EBV_NU, EXIF_INFO_EBV_DE, - &exif->exposure_bias); - if (ret) - return ret; - - ret = m5mols_read_u16(sd, EXIF_INFO_ISO, &exif->iso_speed); - if (!ret) - ret = m5mols_read_u16(sd, EXIF_INFO_FLASH, &exif->flash); - if (!ret) - ret = m5mols_read_u16(sd, EXIF_INFO_SDR, &exif->sdr); - if (!ret) - ret = m5mols_read_u16(sd, EXIF_INFO_QVAL, &exif->qval); - if (ret) - return ret; - - if (!ret) - ret = m5mols_read_u32(sd, CAPC_IMAGE_SIZE, &info->cap.main); - if (!ret) - ret = m5mols_read_u32(sd, CAPC_THUMB_SIZE, &info->cap.thumb); - if (!ret) - info->cap.total = info->cap.main + info->cap.thumb; - - return ret; -} - -int m5mols_start_capture(struct m5mols_info *info) -{ - struct v4l2_subdev *sd = &info->sd; - int ret; - - /* - * Synchronize the controls, set the capture frame resolution and color - * format. The frame capture is initiated during switching from Monitor - * to Capture mode. - */ - ret = m5mols_set_mode(info, REG_MONITOR); - if (!ret) - ret = m5mols_restore_controls(info); - if (!ret) - ret = m5mols_write(sd, CAPP_YUVOUT_MAIN, REG_JPEG); - if (!ret) - ret = m5mols_write(sd, CAPP_MAIN_IMAGE_SIZE, info->resolution); - if (!ret) - ret = m5mols_set_mode(info, REG_CAPTURE); - if (!ret) - /* Wait until a frame is captured to ISP internal memory */ - ret = m5mols_wait_interrupt(sd, REG_INT_CAPTURE, 2000); - if (ret) - return ret; - - /* - * Initiate the captured data transfer to a MIPI-CSI receiver. - */ - ret = m5mols_write(sd, CAPC_SEL_FRAME, 1); - if (!ret) - ret = m5mols_write(sd, CAPC_START, REG_CAP_START_MAIN); - if (!ret) { - bool captured = false; - unsigned int size; - - /* Wait for the capture completion interrupt */ - ret = m5mols_wait_interrupt(sd, REG_INT_CAPTURE, 2000); - if (!ret) { - captured = true; - ret = m5mols_capture_info(info); - } - size = captured ? info->cap.main : 0; - v4l2_dbg(1, m5mols_debug, sd, "%s: size: %d, thumb.: %d B\n", - __func__, size, info->cap.thumb); - - v4l2_subdev_notify(sd, S5P_FIMC_TX_END_NOTIFY, &size); - } - - return ret; -} |