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Diffstat (limited to 'drivers/media/video/noon010pc30.c')
-rw-r--r--drivers/media/video/noon010pc30.c851
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");