From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c | 553 ++++++++++++++++++++++++++++++ 1 file changed, 553 insertions(+) create mode 100644 drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c (limited to 'drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c') diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c b/drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c new file mode 100644 index 0000000000..1c8103670f --- /dev/null +++ b/drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c @@ -0,0 +1,553 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Samsung LSI S5C73M3 8M pixel camera driver + * + * Copyright (C) 2012, Samsung Electronics, Co., Ltd. + * Sylwester Nawrocki + * Andrzej Hajda + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "s5c73m3.h" + +static int s5c73m3_get_af_status(struct s5c73m3 *state, struct v4l2_ctrl *ctrl) +{ + u16 reg = REG_AF_STATUS_UNFOCUSED; + + int ret = s5c73m3_read(state, REG_AF_STATUS, ®); + + switch (reg) { + case REG_CAF_STATUS_FIND_SEARCH_DIR: + case REG_AF_STATUS_FOCUSING: + case REG_CAF_STATUS_FOCUSING: + ctrl->val = V4L2_AUTO_FOCUS_STATUS_BUSY; + break; + case REG_CAF_STATUS_FOCUSED: + case REG_AF_STATUS_FOCUSED: + ctrl->val = V4L2_AUTO_FOCUS_STATUS_REACHED; + break; + default: + v4l2_info(&state->sensor_sd, "Unknown AF status %#x\n", reg); + fallthrough; + case REG_CAF_STATUS_UNFOCUSED: + case REG_AF_STATUS_UNFOCUSED: + case REG_AF_STATUS_INVALID: + ctrl->val = V4L2_AUTO_FOCUS_STATUS_FAILED; + break; + } + + return ret; +} + +static int s5c73m3_g_volatile_ctrl(struct v4l2_ctrl *ctrl) +{ + struct v4l2_subdev *sd = ctrl_to_sensor_sd(ctrl); + struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd); + int ret; + + if (state->power == 0) + return -EBUSY; + + switch (ctrl->id) { + case V4L2_CID_FOCUS_AUTO: + ret = s5c73m3_get_af_status(state, state->ctrls.af_status); + if (ret) + return ret; + break; + } + + return 0; +} + +static int s5c73m3_set_colorfx(struct s5c73m3 *state, int val) +{ + static const unsigned short colorfx[][2] = { + { V4L2_COLORFX_NONE, COMM_IMAGE_EFFECT_NONE }, + { V4L2_COLORFX_BW, COMM_IMAGE_EFFECT_MONO }, + { V4L2_COLORFX_SEPIA, COMM_IMAGE_EFFECT_SEPIA }, + { V4L2_COLORFX_NEGATIVE, COMM_IMAGE_EFFECT_NEGATIVE }, + { V4L2_COLORFX_AQUA, COMM_IMAGE_EFFECT_AQUA }, + }; + int i; + + for (i = 0; i < ARRAY_SIZE(colorfx); i++) { + if (colorfx[i][0] != val) + continue; + + v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd, + "Setting %s color effect\n", + v4l2_ctrl_get_menu(state->ctrls.colorfx->id)[i]); + + return s5c73m3_isp_command(state, COMM_IMAGE_EFFECT, + colorfx[i][1]); + } + return -EINVAL; +} + +/* Set exposure metering/exposure bias */ +static int s5c73m3_set_exposure(struct s5c73m3 *state, int auto_exp) +{ + struct v4l2_subdev *sd = &state->sensor_sd; + struct s5c73m3_ctrls *ctrls = &state->ctrls; + int ret = 0; + + if (ctrls->exposure_metering->is_new) { + u16 metering; + + switch (ctrls->exposure_metering->val) { + case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED: + metering = COMM_METERING_CENTER; + break; + case V4L2_EXPOSURE_METERING_SPOT: + metering = COMM_METERING_SPOT; + break; + default: + metering = COMM_METERING_AVERAGE; + break; + } + + ret = s5c73m3_isp_command(state, COMM_METERING, metering); + } + + if (!ret && ctrls->exposure_bias->is_new) { + u16 exp_bias = ctrls->exposure_bias->val; + ret = s5c73m3_isp_command(state, COMM_EV, exp_bias); + } + + v4l2_dbg(1, s5c73m3_dbg, sd, + "%s: exposure bias: %#x, metering: %#x (%d)\n", __func__, + ctrls->exposure_bias->val, ctrls->exposure_metering->val, ret); + + return ret; +} + +static int s5c73m3_set_white_balance(struct s5c73m3 *state, int val) +{ + static const unsigned short wb[][2] = { + { V4L2_WHITE_BALANCE_INCANDESCENT, COMM_AWB_MODE_INCANDESCENT}, + { V4L2_WHITE_BALANCE_FLUORESCENT, COMM_AWB_MODE_FLUORESCENT1}, + { V4L2_WHITE_BALANCE_FLUORESCENT_H, COMM_AWB_MODE_FLUORESCENT2}, + { V4L2_WHITE_BALANCE_CLOUDY, COMM_AWB_MODE_CLOUDY}, + { V4L2_WHITE_BALANCE_DAYLIGHT, COMM_AWB_MODE_DAYLIGHT}, + { V4L2_WHITE_BALANCE_AUTO, COMM_AWB_MODE_AUTO}, + }; + int i; + + for (i = 0; i < ARRAY_SIZE(wb); i++) { + if (wb[i][0] != val) + continue; + + v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd, + "Setting white balance to: %s\n", + v4l2_ctrl_get_menu(state->ctrls.auto_wb->id)[i]); + + return s5c73m3_isp_command(state, COMM_AWB_MODE, wb[i][1]); + } + + return -EINVAL; +} + +static int s5c73m3_af_run(struct s5c73m3 *state, bool on) +{ + struct s5c73m3_ctrls *c = &state->ctrls; + + if (!on) + return s5c73m3_isp_command(state, COMM_AF_CON, + COMM_AF_CON_STOP); + + if (c->focus_auto->val) + return s5c73m3_isp_command(state, COMM_AF_MODE, + COMM_AF_MODE_PREVIEW_CAF_START); + + return s5c73m3_isp_command(state, COMM_AF_CON, COMM_AF_CON_START); +} + +static int s5c73m3_3a_lock(struct s5c73m3 *state, struct v4l2_ctrl *ctrl) +{ + bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE; + bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE; + bool af_lock = ctrl->val & V4L2_LOCK_FOCUS; + int ret = 0; + + if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_EXPOSURE) { + ret = s5c73m3_isp_command(state, COMM_AE_CON, + ae_lock ? COMM_AE_STOP : COMM_AE_START); + if (ret) + return ret; + } + + if (((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_WHITE_BALANCE) + && state->ctrls.auto_wb->val) { + ret = s5c73m3_isp_command(state, COMM_AWB_CON, + awb_lock ? COMM_AWB_STOP : COMM_AWB_START); + if (ret) + return ret; + } + + if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_FOCUS) + ret = s5c73m3_af_run(state, !af_lock); + + return ret; +} + +static int s5c73m3_set_auto_focus(struct s5c73m3 *state, int caf) +{ + struct s5c73m3_ctrls *c = &state->ctrls; + int ret = 1; + + if (c->af_distance->is_new) { + u16 mode = (c->af_distance->val == V4L2_AUTO_FOCUS_RANGE_MACRO) + ? COMM_AF_MODE_MACRO : COMM_AF_MODE_NORMAL; + ret = s5c73m3_isp_command(state, COMM_AF_MODE, mode); + if (ret != 0) + return ret; + } + + if (!ret || (c->focus_auto->is_new && c->focus_auto->val) || + c->af_start->is_new) + ret = s5c73m3_af_run(state, 1); + else if ((c->focus_auto->is_new && !c->focus_auto->val) || + c->af_stop->is_new) + ret = s5c73m3_af_run(state, 0); + else + ret = 0; + + return ret; +} + +static int s5c73m3_set_contrast(struct s5c73m3 *state, int val) +{ + u16 reg = (val < 0) ? -val + 2 : val; + return s5c73m3_isp_command(state, COMM_CONTRAST, reg); +} + +static int s5c73m3_set_saturation(struct s5c73m3 *state, int val) +{ + u16 reg = (val < 0) ? -val + 2 : val; + return s5c73m3_isp_command(state, COMM_SATURATION, reg); +} + +static int s5c73m3_set_sharpness(struct s5c73m3 *state, int val) +{ + u16 reg = (val < 0) ? -val + 2 : val; + return s5c73m3_isp_command(state, COMM_SHARPNESS, reg); +} + +static int s5c73m3_set_iso(struct s5c73m3 *state, int val) +{ + u32 iso; + + if (val == V4L2_ISO_SENSITIVITY_MANUAL) + iso = state->ctrls.iso->val + 1; + else + iso = 0; + + return s5c73m3_isp_command(state, COMM_ISO, iso); +} + +static int s5c73m3_set_stabilization(struct s5c73m3 *state, int val) +{ + struct v4l2_subdev *sd = &state->sensor_sd; + + v4l2_dbg(1, s5c73m3_dbg, sd, "Image stabilization: %d\n", val); + + return s5c73m3_isp_command(state, COMM_FRAME_RATE, val ? + COMM_FRAME_RATE_ANTI_SHAKE : COMM_FRAME_RATE_AUTO_SET); +} + +static int s5c73m3_set_jpeg_quality(struct s5c73m3 *state, int quality) +{ + int reg; + + if (quality <= 65) + reg = COMM_IMAGE_QUALITY_NORMAL; + else if (quality <= 75) + reg = COMM_IMAGE_QUALITY_FINE; + else + reg = COMM_IMAGE_QUALITY_SUPERFINE; + + return s5c73m3_isp_command(state, COMM_IMAGE_QUALITY, reg); +} + +static int s5c73m3_set_scene_program(struct s5c73m3 *state, int val) +{ + static const unsigned short scene_lookup[] = { + COMM_SCENE_MODE_NONE, /* V4L2_SCENE_MODE_NONE */ + COMM_SCENE_MODE_AGAINST_LIGHT,/* V4L2_SCENE_MODE_BACKLIGHT */ + COMM_SCENE_MODE_BEACH, /* V4L2_SCENE_MODE_BEACH_SNOW */ + COMM_SCENE_MODE_CANDLE, /* V4L2_SCENE_MODE_CANDLE_LIGHT */ + COMM_SCENE_MODE_DAWN, /* V4L2_SCENE_MODE_DAWN_DUSK */ + COMM_SCENE_MODE_FALL, /* V4L2_SCENE_MODE_FALL_COLORS */ + COMM_SCENE_MODE_FIRE, /* V4L2_SCENE_MODE_FIREWORKS */ + COMM_SCENE_MODE_LANDSCAPE, /* V4L2_SCENE_MODE_LANDSCAPE */ + COMM_SCENE_MODE_NIGHT, /* V4L2_SCENE_MODE_NIGHT */ + COMM_SCENE_MODE_INDOOR, /* V4L2_SCENE_MODE_PARTY_INDOOR */ + COMM_SCENE_MODE_PORTRAIT, /* V4L2_SCENE_MODE_PORTRAIT */ + COMM_SCENE_MODE_SPORTS, /* V4L2_SCENE_MODE_SPORTS */ + COMM_SCENE_MODE_SUNSET, /* V4L2_SCENE_MODE_SUNSET */ + COMM_SCENE_MODE_TEXT, /* V4L2_SCENE_MODE_TEXT */ + }; + + v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd, "Setting %s scene mode\n", + v4l2_ctrl_get_menu(state->ctrls.scene_mode->id)[val]); + + return s5c73m3_isp_command(state, COMM_SCENE_MODE, scene_lookup[val]); +} + +static int s5c73m3_set_power_line_freq(struct s5c73m3 *state, int val) +{ + unsigned int pwr_line_freq = COMM_FLICKER_NONE; + + switch (val) { + case V4L2_CID_POWER_LINE_FREQUENCY_DISABLED: + pwr_line_freq = COMM_FLICKER_NONE; + break; + case V4L2_CID_POWER_LINE_FREQUENCY_50HZ: + pwr_line_freq = COMM_FLICKER_AUTO_50HZ; + break; + case V4L2_CID_POWER_LINE_FREQUENCY_60HZ: + pwr_line_freq = COMM_FLICKER_AUTO_60HZ; + break; + default: + case V4L2_CID_POWER_LINE_FREQUENCY_AUTO: + pwr_line_freq = COMM_FLICKER_NONE; + } + + return s5c73m3_isp_command(state, COMM_FLICKER_MODE, pwr_line_freq); +} + +static int s5c73m3_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct v4l2_subdev *sd = ctrl_to_sensor_sd(ctrl); + struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd); + int ret = 0; + + v4l2_dbg(1, s5c73m3_dbg, sd, "set_ctrl: %s, value: %d\n", + ctrl->name, ctrl->val); + + mutex_lock(&state->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 (state->power == 0) + goto unlock; + + if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE) { + ret = -EINVAL; + goto unlock; + } + + switch (ctrl->id) { + case V4L2_CID_3A_LOCK: + ret = s5c73m3_3a_lock(state, ctrl); + break; + + case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE: + ret = s5c73m3_set_white_balance(state, ctrl->val); + break; + + case V4L2_CID_CONTRAST: + ret = s5c73m3_set_contrast(state, ctrl->val); + break; + + case V4L2_CID_COLORFX: + ret = s5c73m3_set_colorfx(state, ctrl->val); + break; + + case V4L2_CID_EXPOSURE_AUTO: + ret = s5c73m3_set_exposure(state, ctrl->val); + break; + + case V4L2_CID_FOCUS_AUTO: + ret = s5c73m3_set_auto_focus(state, ctrl->val); + break; + + case V4L2_CID_IMAGE_STABILIZATION: + ret = s5c73m3_set_stabilization(state, ctrl->val); + break; + + case V4L2_CID_ISO_SENSITIVITY: + ret = s5c73m3_set_iso(state, ctrl->val); + break; + + case V4L2_CID_JPEG_COMPRESSION_QUALITY: + ret = s5c73m3_set_jpeg_quality(state, ctrl->val); + break; + + case V4L2_CID_POWER_LINE_FREQUENCY: + ret = s5c73m3_set_power_line_freq(state, ctrl->val); + break; + + case V4L2_CID_SATURATION: + ret = s5c73m3_set_saturation(state, ctrl->val); + break; + + case V4L2_CID_SCENE_MODE: + ret = s5c73m3_set_scene_program(state, ctrl->val); + break; + + case V4L2_CID_SHARPNESS: + ret = s5c73m3_set_sharpness(state, ctrl->val); + break; + + case V4L2_CID_WIDE_DYNAMIC_RANGE: + ret = s5c73m3_isp_command(state, COMM_WDR, !!ctrl->val); + break; + + case V4L2_CID_ZOOM_ABSOLUTE: + ret = s5c73m3_isp_command(state, COMM_ZOOM_STEP, ctrl->val); + break; + } +unlock: + mutex_unlock(&state->lock); + return ret; +} + +static const struct v4l2_ctrl_ops s5c73m3_ctrl_ops = { + .g_volatile_ctrl = s5c73m3_g_volatile_ctrl, + .s_ctrl = s5c73m3_s_ctrl, +}; + +/* Supported manual ISO values */ +static const s64 iso_qmenu[] = { + /* COMM_ISO: 0x0001...0x0004 */ + 100, 200, 400, 800, +}; + +/* Supported exposure bias values (-2.0EV...+2.0EV) */ +static const s64 ev_bias_qmenu[] = { + /* COMM_EV: 0x0000...0x0008 */ + -2000, -1500, -1000, -500, 0, 500, 1000, 1500, 2000 +}; + +int s5c73m3_init_controls(struct s5c73m3 *state) +{ + const struct v4l2_ctrl_ops *ops = &s5c73m3_ctrl_ops; + struct s5c73m3_ctrls *ctrls = &state->ctrls; + struct v4l2_ctrl_handler *hdl = &ctrls->handler; + + int ret = v4l2_ctrl_handler_init(hdl, 22); + if (ret) + return ret; + + /* White balance */ + ctrls->auto_wb = v4l2_ctrl_new_std_menu(hdl, ops, + V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE, + 9, ~0x15e, V4L2_WHITE_BALANCE_AUTO); + + /* Exposure (only automatic exposure) */ + ctrls->auto_exposure = v4l2_ctrl_new_std_menu(hdl, ops, + V4L2_CID_EXPOSURE_AUTO, 0, ~0x01, V4L2_EXPOSURE_AUTO); + + ctrls->exposure_bias = v4l2_ctrl_new_int_menu(hdl, ops, + V4L2_CID_AUTO_EXPOSURE_BIAS, + ARRAY_SIZE(ev_bias_qmenu) - 1, + ARRAY_SIZE(ev_bias_qmenu)/2 - 1, + ev_bias_qmenu); + + ctrls->exposure_metering = v4l2_ctrl_new_std_menu(hdl, ops, + V4L2_CID_EXPOSURE_METERING, + 2, ~0x7, V4L2_EXPOSURE_METERING_AVERAGE); + + /* Auto focus */ + ctrls->focus_auto = v4l2_ctrl_new_std(hdl, ops, + V4L2_CID_FOCUS_AUTO, 0, 1, 1, 0); + + ctrls->af_start = v4l2_ctrl_new_std(hdl, ops, + V4L2_CID_AUTO_FOCUS_START, 0, 1, 1, 0); + + ctrls->af_stop = v4l2_ctrl_new_std(hdl, ops, + V4L2_CID_AUTO_FOCUS_STOP, 0, 1, 1, 0); + + ctrls->af_status = v4l2_ctrl_new_std(hdl, ops, + V4L2_CID_AUTO_FOCUS_STATUS, 0, + (V4L2_AUTO_FOCUS_STATUS_BUSY | + V4L2_AUTO_FOCUS_STATUS_REACHED | + V4L2_AUTO_FOCUS_STATUS_FAILED), + 0, V4L2_AUTO_FOCUS_STATUS_IDLE); + + ctrls->af_distance = v4l2_ctrl_new_std_menu(hdl, ops, + V4L2_CID_AUTO_FOCUS_RANGE, + V4L2_AUTO_FOCUS_RANGE_MACRO, + ~(1 << V4L2_AUTO_FOCUS_RANGE_NORMAL | + 1 << V4L2_AUTO_FOCUS_RANGE_MACRO), + V4L2_AUTO_FOCUS_RANGE_NORMAL); + /* ISO sensitivity */ + ctrls->auto_iso = v4l2_ctrl_new_std_menu(hdl, ops, + V4L2_CID_ISO_SENSITIVITY_AUTO, 1, 0, + V4L2_ISO_SENSITIVITY_AUTO); + + ctrls->iso = v4l2_ctrl_new_int_menu(hdl, ops, + V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1, + ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu); + + ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, + V4L2_CID_CONTRAST, -2, 2, 1, 0); + + ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, + V4L2_CID_SATURATION, -2, 2, 1, 0); + + ctrls->sharpness = v4l2_ctrl_new_std(hdl, ops, + V4L2_CID_SHARPNESS, -2, 2, 1, 0); + + ctrls->zoom = v4l2_ctrl_new_std(hdl, ops, + V4L2_CID_ZOOM_ABSOLUTE, 0, 30, 1, 0); + + ctrls->colorfx = v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_COLORFX, + V4L2_COLORFX_AQUA, ~0x40f, V4L2_COLORFX_NONE); + + ctrls->wdr = v4l2_ctrl_new_std(hdl, ops, + V4L2_CID_WIDE_DYNAMIC_RANGE, 0, 1, 1, 0); + + ctrls->stabilization = v4l2_ctrl_new_std(hdl, ops, + V4L2_CID_IMAGE_STABILIZATION, 0, 1, 1, 0); + + v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_POWER_LINE_FREQUENCY, + V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, + V4L2_CID_POWER_LINE_FREQUENCY_AUTO); + + ctrls->jpeg_quality = v4l2_ctrl_new_std(hdl, ops, + V4L2_CID_JPEG_COMPRESSION_QUALITY, 1, 100, 1, 80); + + ctrls->scene_mode = v4l2_ctrl_new_std_menu(hdl, ops, + V4L2_CID_SCENE_MODE, V4L2_SCENE_MODE_TEXT, ~0x3fff, + V4L2_SCENE_MODE_NONE); + + ctrls->aaa_lock = v4l2_ctrl_new_std(hdl, ops, + V4L2_CID_3A_LOCK, 0, 0x7, 0, 0); + + if (hdl->error) { + ret = hdl->error; + v4l2_ctrl_handler_free(hdl); + return ret; + } + + v4l2_ctrl_auto_cluster(3, &ctrls->auto_exposure, 0, false); + ctrls->auto_iso->flags |= V4L2_CTRL_FLAG_VOLATILE | + V4L2_CTRL_FLAG_UPDATE; + v4l2_ctrl_auto_cluster(2, &ctrls->auto_iso, 0, false); + ctrls->af_status->flags |= V4L2_CTRL_FLAG_VOLATILE; + v4l2_ctrl_cluster(5, &ctrls->focus_auto); + + state->sensor_sd.ctrl_handler = hdl; + + return 0; +} -- cgit v1.2.3