diff options
Diffstat (limited to 'drivers/media/video/noon010pc30.c')
| -rw-r--r-- | drivers/media/video/noon010pc30.c | 851 |
1 files changed, 0 insertions, 851 deletions
diff --git a/drivers/media/video/noon010pc30.c b/drivers/media/video/noon010pc30.c deleted file mode 100644 index 440c12962ba..00000000000 --- a/drivers/media/video/noon010pc30.c +++ /dev/null @@ -1,851 +0,0 @@ -/* - * Driver for SiliconFile NOON010PC30 CIF (1/11") Image Sensor with ISP - * - * Copyright (C) 2010 - 2011 Samsung Electronics Co., Ltd. - * Contact: Sylwester Nawrocki, <s.nawrocki@samsung.com> - * - * Initial register configuration based on a driver authored by - * HeungJun Kim <riverful.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/delay.h> -#include <linux/gpio.h> -#include <linux/i2c.h> -#include <linux/slab.h> -#include <linux/regulator/consumer.h> -#include <media/noon010pc30.h> -#include <media/v4l2-chip-ident.h> -#include <linux/videodev2.h> -#include <linux/module.h> -#include <media/v4l2-ctrls.h> -#include <media/v4l2-device.h> -#include <media/v4l2-mediabus.h> -#include <media/v4l2-subdev.h> - -static int debug; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Enable module debug trace. Set to 1 to enable."); - -#define MODULE_NAME "NOON010PC30" - -/* - * Register offsets within a page - * b15..b8 - page id, b7..b0 - register address - */ -#define POWER_CTRL_REG 0x0001 -#define PAGEMODE_REG 0x03 -#define DEVICE_ID_REG 0x0004 -#define NOON010PC30_ID 0x86 -#define VDO_CTL_REG(n) (0x0010 + (n)) -#define SYNC_CTL_REG 0x0012 -/* Window size and position */ -#define WIN_ROWH_REG 0x0013 -#define WIN_ROWL_REG 0x0014 -#define WIN_COLH_REG 0x0015 -#define WIN_COLL_REG 0x0016 -#define WIN_HEIGHTH_REG 0x0017 -#define WIN_HEIGHTL_REG 0x0018 -#define WIN_WIDTHH_REG 0x0019 -#define WIN_WIDTHL_REG 0x001A -#define HBLANKH_REG 0x001B -#define HBLANKL_REG 0x001C -#define VSYNCH_REG 0x001D -#define VSYNCL_REG 0x001E -/* VSYNC control */ -#define VS_CTL_REG(n) (0x00A1 + (n)) -/* page 1 */ -#define ISP_CTL_REG(n) (0x0110 + (n)) -#define YOFS_REG 0x0119 -#define DARK_YOFS_REG 0x011A -#define SAT_CTL_REG 0x0120 -#define BSAT_REG 0x0121 -#define RSAT_REG 0x0122 -/* Color correction */ -#define CMC_CTL_REG 0x0130 -#define CMC_OFSGH_REG 0x0133 -#define CMC_OFSGL_REG 0x0135 -#define CMC_SIGN_REG 0x0136 -#define CMC_GOFS_REG 0x0137 -#define CMC_COEF_REG(n) (0x0138 + (n)) -#define CMC_OFS_REG(n) (0x0141 + (n)) -/* Gamma correction */ -#define GMA_CTL_REG 0x0160 -#define GMA_COEF_REG(n) (0x0161 + (n)) -/* Lens Shading */ -#define LENS_CTRL_REG 0x01D0 -#define LENS_XCEN_REG 0x01D1 -#define LENS_YCEN_REG 0x01D2 -#define LENS_RC_REG 0x01D3 -#define LENS_GC_REG 0x01D4 -#define LENS_BC_REG 0x01D5 -#define L_AGON_REG 0x01D6 -#define L_AGOFF_REG 0x01D7 -/* Page 3 - Auto Exposure */ -#define AE_CTL_REG(n) (0x0310 + (n)) -#define AE_CTL9_REG 0x032C -#define AE_CTL10_REG 0x032D -#define AE_YLVL_REG 0x031C -#define AE_YTH_REG(n) (0x031D + (n)) -#define AE_WGT_REG 0x0326 -#define EXP_TIMEH_REG 0x0333 -#define EXP_TIMEM_REG 0x0334 -#define EXP_TIMEL_REG 0x0335 -#define EXP_MMINH_REG 0x0336 -#define EXP_MMINL_REG 0x0337 -#define EXP_MMAXH_REG 0x0338 -#define EXP_MMAXM_REG 0x0339 -#define EXP_MMAXL_REG 0x033A -/* Page 4 - Auto White Balance */ -#define AWB_CTL_REG(n) (0x0410 + (n)) -#define AWB_ENABE 0x80 -#define AWB_WGHT_REG 0x0419 -#define BGAIN_PAR_REG(n) (0x044F + (n)) -/* Manual white balance, when AWB_CTL2[0]=1 */ -#define MWB_RGAIN_REG 0x0466 -#define MWB_BGAIN_REG 0x0467 - -/* The token to mark an array end */ -#define REG_TERM 0xFFFF - -struct noon010_format { - enum v4l2_mbus_pixelcode code; - enum v4l2_colorspace colorspace; - u16 ispctl1_reg; -}; - -struct noon010_frmsize { - u16 width; - u16 height; - int vid_ctl1; -}; - -static const char * const noon010_supply_name[] = { - "vdd_core", "vddio", "vdda" -}; - -#define NOON010_NUM_SUPPLIES ARRAY_SIZE(noon010_supply_name) - -struct noon010_info { - struct v4l2_subdev sd; - struct media_pad pad; - struct v4l2_ctrl_handler hdl; - struct regulator_bulk_data supply[NOON010_NUM_SUPPLIES]; - u32 gpio_nreset; - u32 gpio_nstby; - - /* Protects the struct members below */ - struct mutex lock; - - const struct noon010_format *curr_fmt; - const struct noon010_frmsize *curr_win; - unsigned int apply_new_cfg:1; - unsigned int streaming:1; - unsigned int hflip:1; - unsigned int vflip:1; - unsigned int power:1; - u8 i2c_reg_page; -}; - -struct i2c_regval { - u16 addr; - u16 val; -}; - -/* Supported resolutions. */ -static const struct noon010_frmsize noon010_sizes[] = { - { - .width = 352, - .height = 288, - .vid_ctl1 = 0, - }, { - .width = 176, - .height = 144, - .vid_ctl1 = 0x10, - }, { - .width = 88, - .height = 72, - .vid_ctl1 = 0x20, - }, -}; - -/* Supported pixel formats. */ -static const struct noon010_format noon010_formats[] = { - { - .code = V4L2_MBUS_FMT_YUYV8_2X8, - .colorspace = V4L2_COLORSPACE_JPEG, - .ispctl1_reg = 0x03, - }, { - .code = V4L2_MBUS_FMT_YVYU8_2X8, - .colorspace = V4L2_COLORSPACE_JPEG, - .ispctl1_reg = 0x02, - }, { - .code = V4L2_MBUS_FMT_VYUY8_2X8, - .colorspace = V4L2_COLORSPACE_JPEG, - .ispctl1_reg = 0, - }, { - .code = V4L2_MBUS_FMT_UYVY8_2X8, - .colorspace = V4L2_COLORSPACE_JPEG, - .ispctl1_reg = 0x01, - }, { - .code = V4L2_MBUS_FMT_RGB565_2X8_BE, - .colorspace = V4L2_COLORSPACE_JPEG, - .ispctl1_reg = 0x40, - }, -}; - -static const struct i2c_regval noon010_base_regs[] = { - { WIN_COLL_REG, 0x06 }, { HBLANKL_REG, 0x7C }, - /* Color corection and saturation */ - { ISP_CTL_REG(0), 0x30 }, { ISP_CTL_REG(2), 0x30 }, - { YOFS_REG, 0x80 }, { DARK_YOFS_REG, 0x04 }, - { SAT_CTL_REG, 0x1F }, { BSAT_REG, 0x90 }, - { CMC_CTL_REG, 0x0F }, { CMC_OFSGH_REG, 0x3C }, - { CMC_OFSGL_REG, 0x2C }, { CMC_SIGN_REG, 0x3F }, - { CMC_COEF_REG(0), 0x79 }, { CMC_OFS_REG(0), 0x00 }, - { CMC_COEF_REG(1), 0x39 }, { CMC_OFS_REG(1), 0x00 }, - { CMC_COEF_REG(2), 0x00 }, { CMC_OFS_REG(2), 0x00 }, - { CMC_COEF_REG(3), 0x11 }, { CMC_OFS_REG(3), 0x8B }, - { CMC_COEF_REG(4), 0x65 }, { CMC_OFS_REG(4), 0x07 }, - { CMC_COEF_REG(5), 0x14 }, { CMC_OFS_REG(5), 0x04 }, - { CMC_COEF_REG(6), 0x01 }, { CMC_OFS_REG(6), 0x9C }, - { CMC_COEF_REG(7), 0x33 }, { CMC_OFS_REG(7), 0x89 }, - { CMC_COEF_REG(8), 0x74 }, { CMC_OFS_REG(8), 0x25 }, - /* Automatic white balance */ - { AWB_CTL_REG(0), 0x78 }, { AWB_CTL_REG(1), 0x2E }, - { AWB_CTL_REG(2), 0x20 }, { AWB_CTL_REG(3), 0x85 }, - /* Auto exposure */ - { AE_CTL_REG(0), 0xDC }, { AE_CTL_REG(1), 0x81 }, - { AE_CTL_REG(2), 0x30 }, { AE_CTL_REG(3), 0xA5 }, - { AE_CTL_REG(4), 0x40 }, { AE_CTL_REG(5), 0x51 }, - { AE_CTL_REG(6), 0x33 }, { AE_CTL_REG(7), 0x7E }, - { AE_CTL9_REG, 0x00 }, { AE_CTL10_REG, 0x02 }, - { AE_YLVL_REG, 0x44 }, { AE_YTH_REG(0), 0x34 }, - { AE_YTH_REG(1), 0x30 }, { AE_WGT_REG, 0xD5 }, - /* Lens shading compensation */ - { LENS_CTRL_REG, 0x01 }, { LENS_XCEN_REG, 0x80 }, - { LENS_YCEN_REG, 0x70 }, { LENS_RC_REG, 0x53 }, - { LENS_GC_REG, 0x40 }, { LENS_BC_REG, 0x3E }, - { REG_TERM, 0 }, -}; - -static inline struct noon010_info *to_noon010(struct v4l2_subdev *sd) -{ - return container_of(sd, struct noon010_info, sd); -} - -static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) -{ - return &container_of(ctrl->handler, struct noon010_info, hdl)->sd; -} - -static inline int set_i2c_page(struct noon010_info *info, - struct i2c_client *client, unsigned int reg) -{ - u32 page = reg >> 8 & 0xFF; - int ret = 0; - - if (info->i2c_reg_page != page && (reg & 0xFF) != 0x03) { - ret = i2c_smbus_write_byte_data(client, PAGEMODE_REG, page); - if (!ret) - info->i2c_reg_page = page; - } - return ret; -} - -static int cam_i2c_read(struct v4l2_subdev *sd, u32 reg_addr) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct noon010_info *info = to_noon010(sd); - int ret = set_i2c_page(info, client, reg_addr); - - if (ret) - return ret; - return i2c_smbus_read_byte_data(client, reg_addr & 0xFF); -} - -static int cam_i2c_write(struct v4l2_subdev *sd, u32 reg_addr, u32 val) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct noon010_info *info = to_noon010(sd); - int ret = set_i2c_page(info, client, reg_addr); - - if (ret) - return ret; - return i2c_smbus_write_byte_data(client, reg_addr & 0xFF, val); -} - -static inline int noon010_bulk_write_reg(struct v4l2_subdev *sd, - const struct i2c_regval *msg) -{ - while (msg->addr != REG_TERM) { - int ret = cam_i2c_write(sd, msg->addr, msg->val); - - if (ret) - return ret; - msg++; - } - return 0; -} - -/* Device reset and sleep mode control */ -static int noon010_power_ctrl(struct v4l2_subdev *sd, bool reset, bool sleep) -{ - struct noon010_info *info = to_noon010(sd); - u8 reg = sleep ? 0xF1 : 0xF0; - int ret = 0; - - if (reset) { - ret = cam_i2c_write(sd, POWER_CTRL_REG, reg | 0x02); - udelay(20); - } - if (!ret) { - ret = cam_i2c_write(sd, POWER_CTRL_REG, reg); - if (reset && !ret) - info->i2c_reg_page = -1; - } - return ret; -} - -/* Automatic white balance control */ -static int noon010_enable_autowhitebalance(struct v4l2_subdev *sd, int on) -{ - int ret; - - ret = cam_i2c_write(sd, AWB_CTL_REG(1), on ? 0x2E : 0x2F); - if (!ret) - ret = cam_i2c_write(sd, AWB_CTL_REG(0), on ? 0xFB : 0x7B); - return ret; -} - -/* Called with struct noon010_info.lock mutex held */ -static int noon010_set_flip(struct v4l2_subdev *sd, int hflip, int vflip) -{ - struct noon010_info *info = to_noon010(sd); - int reg, ret; - - reg = cam_i2c_read(sd, VDO_CTL_REG(1)); - if (reg < 0) - return reg; - - reg &= 0x7C; - if (hflip) - reg |= 0x01; - if (vflip) - reg |= 0x02; - - ret = cam_i2c_write(sd, VDO_CTL_REG(1), reg | 0x80); - if (!ret) { - info->hflip = hflip; - info->vflip = vflip; - } - return ret; -} - -/* Configure resolution and color format */ -static int noon010_set_params(struct v4l2_subdev *sd) -{ - struct noon010_info *info = to_noon010(sd); - - int ret = cam_i2c_write(sd, VDO_CTL_REG(0), - info->curr_win->vid_ctl1); - if (ret) - return ret; - return cam_i2c_write(sd, ISP_CTL_REG(0), - info->curr_fmt->ispctl1_reg); -} - -/* Find nearest matching image pixel size. */ -static int noon010_try_frame_size(struct v4l2_mbus_framefmt *mf, - const struct noon010_frmsize **size) -{ - unsigned int min_err = ~0; - int i = ARRAY_SIZE(noon010_sizes); - const struct noon010_frmsize *fsize = &noon010_sizes[0], - *match = NULL; - - while (i--) { - int err = abs(fsize->width - mf->width) - + abs(fsize->height - mf->height); - - if (err < min_err) { - min_err = err; - match = fsize; - } - fsize++; - } - if (match) { - mf->width = match->width; - mf->height = match->height; - if (size) - *size = match; - return 0; - } - return -EINVAL; -} - -/* Called with info.lock mutex held */ -static int power_enable(struct noon010_info *info) -{ - int ret; - - if (info->power) { - v4l2_info(&info->sd, "%s: sensor is already on\n", __func__); - return 0; - } - - if (gpio_is_valid(info->gpio_nstby)) - gpio_set_value(info->gpio_nstby, 0); - - if (gpio_is_valid(info->gpio_nreset)) - gpio_set_value(info->gpio_nreset, 0); - - ret = regulator_bulk_enable(NOON010_NUM_SUPPLIES, info->supply); - if (ret) - return ret; - - if (gpio_is_valid(info->gpio_nreset)) { - msleep(50); - gpio_set_value(info->gpio_nreset, 1); - } - if (gpio_is_valid(info->gpio_nstby)) { - udelay(1000); - gpio_set_value(info->gpio_nstby, 1); - } - if (gpio_is_valid(info->gpio_nreset)) { - udelay(1000); - gpio_set_value(info->gpio_nreset, 0); - msleep(100); - gpio_set_value(info->gpio_nreset, 1); - msleep(20); - } - info->power = 1; - - v4l2_dbg(1, debug, &info->sd, "%s: sensor is on\n", __func__); - return 0; -} - -/* Called with info.lock mutex held */ -static int power_disable(struct noon010_info *info) -{ - int ret; - - if (!info->power) { - v4l2_info(&info->sd, "%s: sensor is already off\n", __func__); - return 0; - } - - ret = regulator_bulk_disable(NOON010_NUM_SUPPLIES, info->supply); - if (ret) - return ret; - - if (gpio_is_valid(info->gpio_nstby)) - gpio_set_value(info->gpio_nstby, 0); - - if (gpio_is_valid(info->gpio_nreset)) - gpio_set_value(info->gpio_nreset, 0); - - info->power = 0; - - v4l2_dbg(1, debug, &info->sd, "%s: sensor is off\n", __func__); - - return 0; -} - -static int noon010_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct v4l2_subdev *sd = to_sd(ctrl); - struct noon010_info *info = to_noon010(sd); - int ret = 0; - - v4l2_dbg(1, debug, sd, "%s: ctrl_id: %d, value: %d\n", - __func__, ctrl->id, ctrl->val); - - mutex_lock(&info->lock); - /* - * If the device is not powered up by the host driver do - * not apply any controls to H/W at this time. Instead - * the controls will be restored right after power-up. - */ - if (!info->power) - goto unlock; - - switch (ctrl->id) { - case V4L2_CID_AUTO_WHITE_BALANCE: - ret = noon010_enable_autowhitebalance(sd, ctrl->val); - break; - case V4L2_CID_BLUE_BALANCE: - ret = cam_i2c_write(sd, MWB_BGAIN_REG, ctrl->val); - break; - case V4L2_CID_RED_BALANCE: - ret = cam_i2c_write(sd, MWB_RGAIN_REG, ctrl->val); - break; - default: - ret = -EINVAL; - } -unlock: - mutex_unlock(&info->lock); - return ret; -} - -static int noon010_enum_mbus_code(struct v4l2_subdev *sd, - struct v4l2_subdev_fh *fh, - struct v4l2_subdev_mbus_code_enum *code) -{ - if (code->index >= ARRAY_SIZE(noon010_formats)) - return -EINVAL; - - code->code = noon010_formats[code->index].code; - return 0; -} - -static int noon010_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_format *fmt) -{ - struct noon010_info *info = to_noon010(sd); - struct v4l2_mbus_framefmt *mf; - - if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { - if (fh) { - mf = v4l2_subdev_get_try_format(fh, 0); - fmt->format = *mf; - } - return 0; - } - mf = &fmt->format; - - mutex_lock(&info->lock); - mf->width = info->curr_win->width; - mf->height = info->curr_win->height; - mf->code = info->curr_fmt->code; - mf->colorspace = info->curr_fmt->colorspace; - mf->field = V4L2_FIELD_NONE; - - mutex_unlock(&info->lock); - return 0; -} - -/* Return nearest media bus frame format. */ -static const struct noon010_format *noon010_try_fmt(struct v4l2_subdev *sd, - struct v4l2_mbus_framefmt *mf) -{ - int i = ARRAY_SIZE(noon010_formats); - - while (--i) - if (mf->code == noon010_formats[i].code) - break; - mf->code = noon010_formats[i].code; - - return &noon010_formats[i]; -} - -static int noon010_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, - struct v4l2_subdev_format *fmt) -{ - struct noon010_info *info = to_noon010(sd); - const struct noon010_frmsize *size = NULL; - const struct noon010_format *nf; - struct v4l2_mbus_framefmt *mf; - int ret = 0; - - nf = noon010_try_fmt(sd, &fmt->format); - noon010_try_frame_size(&fmt->format, &size); - fmt->format.colorspace = V4L2_COLORSPACE_JPEG; - - if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { - if (fh) { - mf = v4l2_subdev_get_try_format(fh, 0); - *mf = fmt->format; - } - return 0; - } - mutex_lock(&info->lock); - if (!info->streaming) { - info->apply_new_cfg = 1; - info->curr_fmt = nf; - info->curr_win = size; - } else { - ret = -EBUSY; - } - mutex_unlock(&info->lock); - return ret; -} - -/* Called with struct noon010_info.lock mutex held */ -static int noon010_base_config(struct v4l2_subdev *sd) -{ - int ret = noon010_bulk_write_reg(sd, noon010_base_regs); - if (!ret) - ret = noon010_set_params(sd); - if (!ret) - ret = noon010_set_flip(sd, 1, 0); - - return ret; -} - -static int noon010_s_power(struct v4l2_subdev *sd, int on) -{ - struct noon010_info *info = to_noon010(sd); - int ret; - - mutex_lock(&info->lock); - if (on) { - ret = power_enable(info); - if (!ret) - ret = noon010_base_config(sd); - } else { - noon010_power_ctrl(sd, false, true); - ret = power_disable(info); - } - mutex_unlock(&info->lock); - - /* Restore the controls state */ - if (!ret && on) - ret = v4l2_ctrl_handler_setup(&info->hdl); - - return ret; -} - -static int noon010_s_stream(struct v4l2_subdev *sd, int on) -{ - struct noon010_info *info = to_noon010(sd); - int ret = 0; - - mutex_lock(&info->lock); - if (!info->streaming != !on) { - ret = noon010_power_ctrl(sd, false, !on); - if (!ret) - info->streaming = on; - } - if (!ret && on && info->apply_new_cfg) { - ret = noon010_set_params(sd); - if (!ret) - info->apply_new_cfg = 0; - } - mutex_unlock(&info->lock); - return ret; -} - -static int noon010_log_status(struct v4l2_subdev *sd) -{ - struct noon010_info *info = to_noon010(sd); - - v4l2_ctrl_handler_log_status(&info->hdl, sd->name); - return 0; -} - -static int noon010_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) -{ - struct v4l2_mbus_framefmt *mf = v4l2_subdev_get_try_format(fh, 0); - - mf->width = noon010_sizes[0].width; - mf->height = noon010_sizes[0].height; - mf->code = noon010_formats[0].code; - mf->colorspace = V4L2_COLORSPACE_JPEG; - mf->field = V4L2_FIELD_NONE; - return 0; -} - -static const struct v4l2_subdev_internal_ops noon010_subdev_internal_ops = { - .open = noon010_open, -}; - -static const struct v4l2_ctrl_ops noon010_ctrl_ops = { - .s_ctrl = noon010_s_ctrl, -}; - -static const struct v4l2_subdev_core_ops noon010_core_ops = { - .s_power = noon010_s_power, - .g_ctrl = v4l2_subdev_g_ctrl, - .s_ctrl = v4l2_subdev_s_ctrl, - .queryctrl = v4l2_subdev_queryctrl, - .querymenu = v4l2_subdev_querymenu, - .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, - .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, - .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, - .log_status = noon010_log_status, -}; - -static struct v4l2_subdev_pad_ops noon010_pad_ops = { - .enum_mbus_code = noon010_enum_mbus_code, - .get_fmt = noon010_get_fmt, - .set_fmt = noon010_set_fmt, -}; - -static struct v4l2_subdev_video_ops noon010_video_ops = { - .s_stream = noon010_s_stream, -}; - -static const struct v4l2_subdev_ops noon010_ops = { - .core = &noon010_core_ops, - .pad = &noon010_pad_ops, - .video = &noon010_video_ops, -}; - -/* Return 0 if NOON010PC30L sensor type was detected or -ENODEV otherwise. */ -static int noon010_detect(struct i2c_client *client, struct noon010_info *info) -{ - int ret; - - ret = power_enable(info); - if (ret) - return ret; - - ret = i2c_smbus_read_byte_data(client, DEVICE_ID_REG); - if (ret < 0) - dev_err(&client->dev, "I2C read failed: 0x%X\n", ret); - - power_disable(info); - - return ret == NOON010PC30_ID ? 0 : -ENODEV; -} - -static int noon010_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct noon010_info *info; - struct v4l2_subdev *sd; - const struct noon010pc30_platform_data *pdata - = client->dev.platform_data; - int ret; - int i; - - if (!pdata) { - dev_err(&client->dev, "No platform data!\n"); - return -EIO; - } - - info = kzalloc(sizeof(*info), GFP_KERNEL); - if (!info) - return -ENOMEM; - - mutex_init(&info->lock); - sd = &info->sd; - v4l2_i2c_subdev_init(sd, client, &noon010_ops); - strlcpy(sd->name, MODULE_NAME, sizeof(sd->name)); - - sd->internal_ops = &noon010_subdev_internal_ops; - sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - - v4l2_ctrl_handler_init(&info->hdl, 3); - - v4l2_ctrl_new_std(&info->hdl, &noon010_ctrl_ops, - V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1); - v4l2_ctrl_new_std(&info->hdl, &noon010_ctrl_ops, - V4L2_CID_RED_BALANCE, 0, 127, 1, 64); - v4l2_ctrl_new_std(&info->hdl, &noon010_ctrl_ops, - V4L2_CID_BLUE_BALANCE, 0, 127, 1, 64); - - sd->ctrl_handler = &info->hdl; - - ret = info->hdl.error; - if (ret) - goto np_err; - - info->i2c_reg_page = -1; - info->gpio_nreset = -EINVAL; - info->gpio_nstby = -EINVAL; - info->curr_fmt = &noon010_formats[0]; - info->curr_win = &noon010_sizes[0]; - - if (gpio_is_valid(pdata->gpio_nreset)) { - ret = gpio_request(pdata->gpio_nreset, "NOON010PC30 NRST"); - if (ret) { - dev_err(&client->dev, "GPIO request error: %d\n", ret); - goto np_err; - } - info->gpio_nreset = pdata->gpio_nreset; - gpio_direction_output(info->gpio_nreset, 0); - gpio_export(info->gpio_nreset, 0); - } - - if (gpio_is_valid(pdata->gpio_nstby)) { - ret = gpio_request(pdata->gpio_nstby, "NOON010PC30 NSTBY"); - if (ret) { - dev_err(&client->dev, "GPIO request error: %d\n", ret); - goto np_gpio_err; - } - info->gpio_nstby = pdata->gpio_nstby; - gpio_direction_output(info->gpio_nstby, 0); - gpio_export(info->gpio_nstby, 0); - } - - for (i = 0; i < NOON010_NUM_SUPPLIES; i++) - info->supply[i].supply = noon010_supply_name[i]; - - ret = regulator_bulk_get(&client->dev, NOON010_NUM_SUPPLIES, - info->supply); - if (ret) - goto np_reg_err; - - info->pad.flags = MEDIA_PAD_FL_SOURCE; - sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR; - ret = media_entity_init(&sd->entity, 1, &info->pad, 0); - if (ret < 0) - goto np_me_err; - - ret = noon010_detect(client, info); - if (!ret) - return 0; - -np_me_err: - regulator_bulk_free(NOON010_NUM_SUPPLIES, info->supply); -np_reg_err: - if (gpio_is_valid(info->gpio_nstby)) - gpio_free(info->gpio_nstby); -np_gpio_err: - if (gpio_is_valid(info->gpio_nreset)) - gpio_free(info->gpio_nreset); -np_err: - v4l2_ctrl_handler_free(&info->hdl); - v4l2_device_unregister_subdev(sd); - kfree(info); - return ret; -} - -static int noon010_remove(struct i2c_client *client) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct noon010_info *info = to_noon010(sd); - - v4l2_device_unregister_subdev(sd); - v4l2_ctrl_handler_free(&info->hdl); - - regulator_bulk_free(NOON010_NUM_SUPPLIES, info->supply); - - if (gpio_is_valid(info->gpio_nreset)) - gpio_free(info->gpio_nreset); - - if (gpio_is_valid(info->gpio_nstby)) - gpio_free(info->gpio_nstby); - - media_entity_cleanup(&sd->entity); - kfree(info); - return 0; -} - -static const struct i2c_device_id noon010_id[] = { - { MODULE_NAME, 0 }, - { }, -}; -MODULE_DEVICE_TABLE(i2c, noon010_id); - - -static struct i2c_driver noon010_i2c_driver = { - .driver = { - .name = MODULE_NAME - }, - .probe = noon010_probe, - .remove = noon010_remove, - .id_table = noon010_id, -}; - -module_i2c_driver(noon010_i2c_driver); - -MODULE_DESCRIPTION("Siliconfile NOON010PC30 camera driver"); -MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>"); -MODULE_LICENSE("GPL"); |