diff options
Diffstat (limited to 'drivers/media/video/sr130pc20.c')
| -rw-r--r-- | drivers/media/video/sr130pc20.c | 1994 |
1 files changed, 1994 insertions, 0 deletions
diff --git a/drivers/media/video/sr130pc20.c b/drivers/media/video/sr130pc20.c new file mode 100644 index 0000000..8dbc83f --- /dev/null +++ b/drivers/media/video/sr130pc20.c @@ -0,0 +1,1994 @@ +/* drivers/media/video/sr130pc20.c + * + * Copyright (c) 2010, Samsung Electronics. All rights reserved + * Author: dongseong.lim + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * - change date: 2012.06.28 + */ +#include "sr130pc20.h" +#include <linux/gpio.h> + +#define i2c_read_nop() \ + (cam_err("error, not used read function, line %d\n", __LINE__)) +#define i2c_write_nop() \ + (cam_err("error, not used write function, line %d\n", __LINE__)) + +#define isx012_readb(sd, addr, data) i2c_read_nop() +#define isx012_writeb(sd, addr, data) i2c_write_nop() + +#define sr130pc20_readb(sd, addr, data) sr130pc20_i2c_read(sd, addr, data) +#define sr130pc20_readw(sd, addr, data) i2c_read_nop() +#define sr130pc20_readl(sd, addr, data) i2c_read_nop() +#define sr130pc20_writeb(sd, addr, data) sr130pc20_i2c_write(sd, addr, data) +#define sr130pc20_writew(sd, addr, data) i2c_write_nop() +#define sr130pc20_writel(sd, addr, data) i2c_write_nop() + +int fimc_is; +EXPORT(fimc_is); + +static int dbg_level; + +static const struct sr130pc20_fps sr130pc20_framerates[] = { + { I_FPS_0, FRAME_RATE_AUTO }, + { I_FPS_7, FRAME_RATE_7}, + { I_FPS_15, FRAME_RATE_15 }, + { I_FPS_25, FRAME_RATE_25 }, + { I_FPS_30, FRAME_RATE_30 }, +}; + +static const struct sr130pc20_framesize sr130pc20_preview_frmsizes[] = { + { PREVIEW_SZ_320x240, 320, 240 }, + { PREVIEW_SZ_CIF, 352, 288 }, + { PREVIEW_SZ_VGA, 640, 480 }, +}; + +static const struct sr130pc20_framesize sr130pc20_capture_frmsizes[] = { +/* { CAPTURE_SZ_VGA, 640, 480 },*/ + { CAPTURE_SZ_1MP, 1280, 960 }, +}; + +static struct sr130pc20_control sr130pc20_ctrls[] = { + SR130PC20_INIT_CONTROL(V4L2_CID_CAMERA_FLASH_MODE, \ + FLASH_MODE_OFF), + + SR130PC20_INIT_CONTROL(V4L2_CID_CAMERA_BRIGHTNESS, \ + EV_DEFAULT), + + SR130PC20_INIT_CONTROL(V4L2_CID_CAMERA_METERING, \ + METERING_MATRIX), + + SR130PC20_INIT_CONTROL(V4L2_CID_CAMERA_WHITE_BALANCE, \ + WHITE_BALANCE_AUTO), + + SR130PC20_INIT_CONTROL(V4L2_CID_CAMERA_EFFECT, \ + IMAGE_EFFECT_NONE), +}; + +static const struct sr130pc20_regs reg_datas = { + .ev = { + SR130PC20_REGSET(GET_EV_INDEX(EV_MINUS_4), + SR130PC20_ExpSetting_M4Step, 0), + SR130PC20_REGSET(GET_EV_INDEX(EV_MINUS_3), + SR130PC20_ExpSetting_M3Step, 0), + SR130PC20_REGSET(GET_EV_INDEX(EV_MINUS_2), + SR130PC20_ExpSetting_M2Step, 0), + SR130PC20_REGSET(GET_EV_INDEX(EV_MINUS_1), + SR130PC20_ExpSetting_M1Step, 0), + SR130PC20_REGSET(GET_EV_INDEX(EV_DEFAULT), + SR130PC20_ExpSetting_Default, 0), + SR130PC20_REGSET(GET_EV_INDEX(EV_PLUS_1), + SR130PC20_ExpSetting_P1Step, 0), + SR130PC20_REGSET(GET_EV_INDEX(EV_PLUS_2), + SR130PC20_ExpSetting_P2Step, 0), + SR130PC20_REGSET(GET_EV_INDEX(EV_PLUS_3), + SR130PC20_ExpSetting_P3Step, 0), + SR130PC20_REGSET(GET_EV_INDEX(EV_PLUS_4), + SR130PC20_ExpSetting_P4Step, 0), + }, + .metering = { + SR130PC20_REGSET(METERING_MATRIX, sr130pc20_Metering_Matrix, 0), + SR130PC20_REGSET(METERING_CENTER, sr130pc20_Metering_Center, 0), + SR130PC20_REGSET(METERING_SPOT, sr130pc20_Metering_Spot, 0), + }, + .iso = { + SR130PC20_REGSET(ISO_AUTO, sr130pc20_ISO_Auto, 0), + SR130PC20_REGSET(ISO_50, sr130pc20_ISO_50, 0), + SR130PC20_REGSET(ISO_100, sr130pc20_ISO_100, 0), + SR130PC20_REGSET(ISO_200, sr130pc20_ISO_200, 0), + SR130PC20_REGSET(ISO_400, sr130pc20_ISO_400, 0), + }, + .effect = { + SR130PC20_REGSET(IMAGE_EFFECT_NONE, sr130pc20_Effect_Normal, 0), + SR130PC20_REGSET(IMAGE_EFFECT_BNW, sr130pc20_Effect_Black_White, 0), + SR130PC20_REGSET(IMAGE_EFFECT_SEPIA, sr130pc20_Effect_Sepia, 0), + SR130PC20_REGSET(IMAGE_EFFECT_NEGATIVE, + SR130PC20_Effect_Negative, 0), + SR130PC20_REGSET(IMAGE_EFFECT_SOLARIZE, sr130pc20_Effect_Solar, 0), + SR130PC20_REGSET(IMAGE_EFFECT_SKETCH, sr130pc20_Effect_Sketch, 0), + SR130PC20_REGSET(IMAGE_EFFECT_POINT_COLOR_3, + sr130pc20_Effect_Pastel, 0), + }, + .white_balance = { + SR130PC20_REGSET(WHITE_BALANCE_AUTO, sr130pc20_WB_Auto, 0), + SR130PC20_REGSET(WHITE_BALANCE_SUNNY, sr130pc20_WB_Sunny, 0), + SR130PC20_REGSET(WHITE_BALANCE_CLOUDY, sr130pc20_WB_Cloudy, 0), + SR130PC20_REGSET(WHITE_BALANCE_TUNGSTEN, + sr130pc20_WB_Tungsten, 0), + SR130PC20_REGSET(WHITE_BALANCE_FLUORESCENT, + sr130pc20_WB_Fluorescent, 0), + }, + .scene_mode = { + SR130PC20_REGSET(SCENE_MODE_NONE, sr130pc20_Scene_Default, 0), + SR130PC20_REGSET(SCENE_MODE_PORTRAIT, sr130pc20_Scene_Portrait, 0), + SR130PC20_REGSET(SCENE_MODE_NIGHTSHOT, sr130pc20_Scene_Nightshot, 0), + SR130PC20_REGSET(SCENE_MODE_BACK_LIGHT, sr130pc20_Scene_Backlight, 0), + SR130PC20_REGSET(SCENE_MODE_LANDSCAPE, sr130pc20_Scene_Landscape, 0), + SR130PC20_REGSET(SCENE_MODE_SPORTS, sr130pc20_Scene_Sports, 0), + SR130PC20_REGSET(SCENE_MODE_PARTY_INDOOR, + sr130pc20_Scene_Party_Indoor, 0), + SR130PC20_REGSET(SCENE_MODE_BEACH_SNOW, + sr130pc20_Scene_Beach_Snow, 0), + SR130PC20_REGSET(SCENE_MODE_SUNSET, sr130pc20_Scene_Sunset, 0), + SR130PC20_REGSET(SCENE_MODE_DUSK_DAWN, sr130pc20_Scene_Duskdawn, 0), + SR130PC20_REGSET(SCENE_MODE_FALL_COLOR, + sr130pc20_Scene_Fall_Color, 0), + SR130PC20_REGSET(SCENE_MODE_FIREWORKS, sr130pc20_Scene_Fireworks, 0), + SR130PC20_REGSET(SCENE_MODE_TEXT, sr130pc20_Scene_Text, 0), + SR130PC20_REGSET(SCENE_MODE_CANDLE_LIGHT, + sr130pc20_Scene_Candle_Light, 0), + }, + .fps = { + SR130PC20_REGSET(I_FPS_0, sr130pc20_fps_auto, 0), + SR130PC20_REGSET(I_FPS_7, sr130pc20_fps_7fix, 0), + SR130PC20_REGSET(I_FPS_15, sr130pc20_fps_15fix, 0), + SR130PC20_REGSET(I_FPS_25, sr130pc20_fps_25fix, 0), + SR130PC20_REGSET(I_FPS_30, sr130pc20_fps_30fix, 0), + }, + .preview_size = { + SR130PC20_REGSET(PREVIEW_SZ_320x240, + sr130pc20_320_240_Preview, 0), + SR130PC20_REGSET(PREVIEW_SZ_CIF, sr130pc20_352_288_Preview, 0), + SR130PC20_REGSET(PREVIEW_SZ_VGA, sr130pc20_640_480_Preview, 0), + }, + .capture_size = { + /*SR130PC20_REGSET(CAPTURE_SZ_VGA, sr130pc20_VGA_Capture, 0),*/ + SR130PC20_REGSET(CAPTURE_SZ_1MP, sr130pc20_1280_960_Capture, 0), + }, + + .init_reg = SR130PC20_REGSET_TABLE(SR130PC20_Init_Reg, 0), + .VT_init_reg = SR130PC20_REGSET_TABLE(sr130pc20_VT_Init_Reg, 0), + .SS_init_reg = SR130PC20_REGSET_TABLE(sr130pc20_SmartStay_Init_Reg, 0), + /* Camera mode */ + .preview_mode = SR130PC20_REGSET_TABLE(SR130PC20_Preview_Mode, 0), + .capture_mode = SR130PC20_REGSET_TABLE(SR130PC20_Capture_Mode, 0), + .capture_mode_night = + SR130PC20_REGSET_TABLE(SR130PC20_Lowlux_Night_Capture_Mode, 0), + .stream_stop = SR130PC20_REGSET_TABLE(sr130pc20_stop_stream, 0), +}; + +static const struct v4l2_mbus_framefmt capture_fmts[] = { + { + .code = V4L2_MBUS_FMT_FIXED, + .colorspace = V4L2_COLORSPACE_JPEG, + }, +}; + +/** + * msleep_debug: wrapper function calling proper sleep() + * @msecs: time to be sleep (in milli-seconds unit) + * @dbg_on: whether enable log or not. + */ +static void msleep_debug(u32 msecs, bool dbg_on) +{ + u32 delta_halfrange; /* in us unit */ + + if (unlikely(!msecs)) + return; + + if (dbg_on) + cam_dbg("delay for %dms\n", msecs); + + if (msecs <= 7) + delta_halfrange = 100; + else + delta_halfrange = 300; + + if (msecs <= 20) + usleep_range((msecs * 1000 - delta_halfrange), + (msecs * 1000 + delta_halfrange)); + else + msleep(msecs); +} + +#ifdef CONFIG_LOAD_FILE +#define TABLE_MAX_NUM 500 +static char *sr130pc20_regs_table; +static int sr130pc20_regs_table_size; +static int gtable_buf[TABLE_MAX_NUM]; +static int sr130pc20_i2c_write(struct v4l2_subdev *sd, + u8 subaddr, u8 data); + +int sr130pc20_regs_table_init(void) +{ + struct file *filp; + char *dp; + long l; + loff_t pos; + int ret; + mm_segment_t fs = get_fs(); + + cam_info("%s %d\n", __func__, __LINE__); + + set_fs(get_ds()); + + filp = filp_open("/mnt/sdcard/sr130pc20_regs.h", O_RDONLY, 0); + + if (IS_ERR_OR_NULL(filp)) { + cam_err("file open error\n"); + return PTR_ERR(filp); + } + + l = filp->f_path.dentry->d_inode->i_size; + cam_trace("l = %ld\n", l); + //dp = kmalloc(l, GFP_KERNEL); + dp = vmalloc(l); + if (dp == NULL) { + cam_err("Out of Memory\n"); + filp_close(filp, current->files); + return -EINVAL; + } + + pos = 0; + memset(dp, 0, l); + ret = vfs_read(filp, (char __user *)dp, l, &pos); + + if (ret != l) { + cam_err("Failed to read file ret = %d\n", ret); + /*kfree(dp);*/ + vfree(dp); + filp_close(filp, current->files); + return -EINVAL; + } + + filp_close(filp, current->files); + + set_fs(fs); + + sr130pc20_regs_table = dp; + + sr130pc20_regs_table_size = l; + + *((sr130pc20_regs_table + sr130pc20_regs_table_size) - 1) = '\0'; + + printk("sr130pc20_reg_table_init end\n"); + return 0; +} + +void sr130pc20_regs_table_exit(void) +{ + printk(KERN_DEBUG "%s %d\n", __func__, __LINE__); + + if (sr130pc20_regs_table) { + vfree(sr130pc20_regs_table); + sr130pc20_regs_table = NULL; + } +} + +static int sr130pc20_is_hexnum(char *num) +{ + int i = 0; + for (i = 2; num[i] != '\0'; i++) { + if (!((num[i] >= '0' && num[5] <= '9') + || (num[5] >= 'a' && num[5] <= 'f') || (num[5] >= 'A' + && num[5] <= + 'F'))) { + return 0; + } + } + return 1; +} + +static int sr130pc20_write_regs_from_sd(struct v4l2_subdev *sd, + const char *name) +{ + char *start = NULL, *end = NULL, *reg = NULL, *temp = NULL; + unsigned char addr = 0, value = 0; + unsigned short data = 0; + char data_buf[7] = { 0 }; + int err = 0; + + cam_info("Enter!!\n"); + + addr = value = 0; + + *(data_buf + 6) = '\0'; + + start = strnstr(sr130pc20_regs_table, name, sr130pc20_regs_table_size); + if (start == NULL) { + cam_err("[%s : %d] start is NULL\n", __func__, __LINE__); + err = -EIO; + return err; + } + + end = strnstr(start, "};", sr130pc20_regs_table_size); + if (end == NULL) { + cam_err("[%s : %d] end is NULL\n", __func__, __LINE__); + err = -EIO; + return err; + } + + while (1) { + /* Find Address */ + reg = strnstr(start, "0x", sr130pc20_regs_table_size); + if (reg) + start = (reg + 6); + + if ((reg == NULL) || (reg > end)) { + cam_err("[%s : %d] write end of %s\n", + __func__, __LINE__, name); + break; + } + /* Write Value to Address */ + memcpy(data_buf, reg, 6); + + if (sr130pc20_is_hexnum(data_buf) == 0) { + cam_err("[%s : %d] it's not hex number %s\n", + __func__, __LINE__, data_buf); + continue; + } + + err = kstrtou16(data_buf, 16, &data); + if (err < 0) { + cam_err("[%s : %d] kstrtou16 failed\n", + __func__, __LINE__); + } + addr = (data >> 8); + value = (data & 0xff); + + if (addr == 0xff) { + msleep(value * 10); /*one step is 10ms */ + cam_trace("delay %d msec\n", value * 10); + } else { + if (sr130pc20_i2c_write(sd, addr, value) < 0) { + cam_err + ("[%s : %d] fail on sensor_write :" + "addr[0x%04x], value[0x%04x]\n", + __func__, __LINE__, addr, value); + err = -EIO; + return err; + } + cam_trace + ("success on sensor_write :" + "addr[0x%04x], value[0x%04x]\n", addr, value); + } + } + + cam_info("Exit!!\n"); + + return err; +} +#endif + +/** + * sr130pc20_read: read data from sensor with I2C + * Note the data-store way(Big or Little) + */ +static int sr130pc20_i2c_read(struct v4l2_subdev *sd, + u8 subaddr, u8 *data) +{ + int err = -EIO; + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct i2c_msg msg[2]; + u8 buf[16] = {0,}; + int retry = 5; + + + CHECK_ERR_COND_MSG(!client->adapter, -ENODEV, + "can't search i2c client adapter\n"); + + msg[0].addr = client->addr; + msg[0].flags = 0; + msg[0].len = sizeof(subaddr); + msg[0].buf = &subaddr; + + msg[1].addr = client->addr; + msg[1].flags = I2C_M_RD; + msg[1].len = 1; + msg[1].buf = buf; + + while (retry-- > 0) { + err = i2c_transfer(client->adapter, msg, 2); + if (likely(err == 2)) + break; + cam_err("i2c read: error, read register(0x%X). cnt %d\n", + subaddr, retry); + msleep_debug(POLL_TIME_MS, false); + } + + CHECK_ERR_COND_MSG(err != 2, -EIO, "I2C does not work\n"); + + *data = buf[0]; + + return 0; +} + +/** + * sr130pc20_write: write data with I2C + * Note the data-store way(Big or Little) + */ +static inline int sr130pc20_i2c_write(struct v4l2_subdev *sd, + u8 subaddr, u8 data) +{ + u8 buf[2]; + int err = 0, retry = 5; + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct i2c_msg msg = { + .addr = client->addr, + .flags = 0, + .buf = buf, + .len = 2, + }; + + CHECK_ERR_COND_MSG(!client->adapter, -ENODEV, + "can't search i2c client adapter\n"); + + buf[0] = subaddr; + buf[1] = data; + + while (retry-- > 0) { + err = i2c_transfer(client->adapter, &msg, 1); + if (likely(err == 1)) + break; + cam_err("i2c write: error %d, write 0x%04X, retry %d\n", + err, ((subaddr << 8) | data), retry); + msleep_debug(POLL_TIME_MS, false); + } + + CHECK_ERR_COND_MSG(err != 1, -EIO, "I2C does not work\n"); + return 0; +} + +static int sr130pc20_i2c_burst_write_list(struct v4l2_subdev *sd, + const sr130pc20_regset_t regs[], int size, const char *name) +{ + + cam_err("burst write: not implemented\n"); + + return 0; +} + +static inline int sr130pc20_write_regs(struct v4l2_subdev *sd, + const sr130pc20_regset_t regs[], int size) +{ + int err = 0, i; + u8 subaddr, value; + + cam_trace("size %d\n", size); + + for (i = 0; i < size; i++) { + subaddr = (u8)(regs[i] >> 8); + value = (u8)(regs[i]); + if (unlikely(DELAY_SEQ == subaddr)) + msleep_debug(value * 10, true); + else { + err = sr130pc20_writeb(sd, subaddr, value); + CHECK_ERR_MSG(err, "register set failed\n") + } + } + + return 0; +} + +/* PX: */ +static int sr130pc20_set_from_table(struct v4l2_subdev *sd, + const char *setting_name, + const struct regset_table *table, + u32 table_size, s32 index) +{ + int err = 0; + + cam_trace("set %s index %d\n", setting_name, index); + + CHECK_ERR_COND_MSG(((index < 0) || (index >= table_size)), + -EINVAL, "index(%d) out of range[0:%d] for table for %s\n", + index, table_size, setting_name); + + table += index; + +#ifdef CONFIG_LOAD_FILE + cam_dbg("%s: \"%s\", reg_name=%s\n", __func__, + setting_name, table->name); + return sr130pc20_write_regs_from_sd(sd, table->name); + +#else /* !CONFIG_LOAD_FILE */ + CHECK_ERR_COND_MSG(!table->reg, -EFAULT, \ + "table=%s, index=%d, reg = NULL\n", setting_name, index); +# ifdef DEBUG_WRITE_REGS + cam_dbg("write_regtable: \"%s\", reg_name=%s\n", setting_name, + table->name); +# endif /* DEBUG_WRITE_REGS */ + + if (table->burst) { + err = sr130pc20_i2c_burst_write_list(sd, + table->reg, table->array_size, setting_name); + } else + err = sr130pc20_write_regs(sd, table->reg, table->array_size); + + CHECK_ERR_MSG(err, "write regs(%s), err=%d\n", setting_name, err); + + return 0; +#endif /* CONFIG_LOAD_FILE */ +} + +static inline int sr130pc20_transit_preview_mode(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + int err = 0; + + if (state->exposure.ae_lock || state->wb.awb_lock) + cam_info("Restore user ae(awb)-lock...\n"); + + err = sr130pc20_set_from_table(sd, "preview_mode", + &state->regs->preview_mode, 1, 0); + + return err; +} + +static inline int sr130pc20_transit_capture_mode(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + int err = -EIO; + + if (state->capture.lowlux_night) { + cam_info("capture_mode: night lowlux\n"); + err = sr130pc20_set_from_table(sd, "capture_mode_night", + &state->regs->capture_mode_night, 1, 0); + } else + err = sr130pc20_set_from_table(sd, "capture_mode", + &state->regs->capture_mode, 1, 0); + + return err; +} + +/** + * sr130pc20_transit_movie_mode: switch camera mode if needed. + * Note that this fuction should be called from start_preview(). + */ +static inline int sr130pc20_transit_movie_mode(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + + /* we'll go from the below modes to RUNNING or RECORDING */ + switch (state->runmode) { + case RUNMODE_INIT: + /* case of entering camcorder firstly */ + break; + case RUNMODE_RUNNING_STOP: + /* case of switching from camera to camcorder */ + break; + case RUNMODE_RECORDING_STOP: + /* case of switching from camcorder to camera */ + break; + + default: + break; + } + + return 0; +} + +/** + * sr130pc20_is_hwflash_on - check whether flash device is on + * + * Refer to state->flash.on to check whether flash is in use in driver. + */ +static inline int sr130pc20_is_hwflash_on(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + +#ifdef SR130PC20_SUPPORT_FLASH + return state->pdata->is_flash_on(); +#else + return 0; +#endif +} + +/** + * sr130pc20_flash_en - contro Flash LED + * @mode: SR130PC20_FLASH_MODE_NORMAL or SR130PC20_FLASH_MODE_MOVIE + * @onoff: SR130PC20_FLASH_ON or SR130PC20_FLASH_OFF + */ +static int sr130pc20_flash_en(struct v4l2_subdev *sd, s32 mode, s32 onoff) +{ + struct sr130pc20_state *state = to_state(sd); + + if (unlikely(state->flash.ignore_flash)) { + cam_warn("WARNING, we ignore flash command.\n"); + return 0; + } + +#ifdef SR130PC20_SUPPORT_FLASH + return state->pdata->flash_en(mode, onoff); +#else + return 0; +#endif +} + +/** + * sr130pc20_flash_torch - turn flash on/off as torch for preflash, recording + * @onoff: SR130PC20_FLASH_ON or SR130PC20_FLASH_OFF + * + * This func set state->flash.on properly. + */ +static inline int sr130pc20_flash_torch(struct v4l2_subdev *sd, s32 onoff) +{ + struct sr130pc20_state *state = to_state(sd); + int err = 0; + + err = sr130pc20_flash_en(sd, SR130PC20_FLASH_MODE_MOVIE, onoff); + state->flash.on = (onoff == SR130PC20_FLASH_ON) ? 1 : 0; + + return err; +} + +/** + * sr130pc20_flash_oneshot - turn main flash on for capture + * @onoff: SR130PC20_FLASH_ON or SR130PC20_FLASH_OFF + * + * Main flash is turn off automatically in some milliseconds. + */ +static inline int sr130pc20_flash_oneshot(struct v4l2_subdev *sd, s32 onoff) +{ + struct sr130pc20_state *state = to_state(sd); + int err = 0; + + err = sr130pc20_flash_en(sd, SR130PC20_FLASH_MODE_NORMAL, onoff); + state->flash.on = (onoff == SR130PC20_FLASH_ON) ? 1 : 0; + + return err; +} + +static const struct sr130pc20_framesize *sr130pc20_get_framesize + (const struct sr130pc20_framesize *frmsizes, + u32 frmsize_count, u32 index) +{ + int i = 0; + + for (i = 0; i < frmsize_count; i++) { + if (frmsizes[i].index == index) + return &frmsizes[i]; + } + + return NULL; +} + +/* This function is called from the g_ctrl api + * + * This function should be called only after the s_fmt call, + * which sets the required width/height value. + * + * It checks a list of available frame sizes and sets the + * most appropriate frame size. + * + * The list is stored in an increasing order (as far as possible). + * Hence the first entry (searching from the beginning) where both the + * width and height is more than the required value is returned. + * In case of no perfect match, we set the last entry (which is supposed + * to be the largest resolution supported.) + */ +static void sr130pc20_set_framesize(struct v4l2_subdev *sd, + const struct sr130pc20_framesize *frmsizes, + u32 num_frmsize, bool preview) +{ + struct sr130pc20_state *state = to_state(sd); + const struct sr130pc20_framesize **found_frmsize = NULL; + u32 width = state->req_fmt.width; + u32 height = state->req_fmt.height; + int i = 0; + + cam_dbg("%s: Requested Res %dx%d\n", __func__, + width, height); + + found_frmsize = preview ? + &state->preview.frmsize : &state->capture.frmsize; + + for (i = 0; i < num_frmsize; i++) { + if ((frmsizes[i].width == width) && + (frmsizes[i].height == height)) { + *found_frmsize = &frmsizes[i]; + break; + } + } + + if (*found_frmsize == NULL) { + cam_err("%s: error, invalid frame size %dx%d\n", + __func__, width, height); + *found_frmsize = preview ? + sr130pc20_get_framesize(frmsizes, num_frmsize, + PREVIEW_SZ_VGA) : + sr130pc20_get_framesize(frmsizes, num_frmsize, + CAPTURE_SZ_1MP); + BUG_ON(!(*found_frmsize)); + } + + if (preview) + cam_info("Preview Res Set: %dx%d, index %d\n", + (*found_frmsize)->width, (*found_frmsize)->height, + (*found_frmsize)->index); + else + cam_info("Capture Res Set: %dx%d, index %d\n", + (*found_frmsize)->width, (*found_frmsize)->height, + (*found_frmsize)->index); +} + +/* PX: Set scene mode */ +static int sr130pc20_set_scene_mode(struct v4l2_subdev *sd, s32 val) +{ + struct sr130pc20_state *state = to_state(sd); + + cam_trace("E, value %d\n", val); + +retry: + switch (val) { + case SCENE_MODE_NONE: + case SCENE_MODE_PORTRAIT: + case SCENE_MODE_NIGHTSHOT: + case SCENE_MODE_BACK_LIGHT: + case SCENE_MODE_LANDSCAPE: + case SCENE_MODE_SPORTS: + case SCENE_MODE_PARTY_INDOOR: + case SCENE_MODE_BEACH_SNOW: + case SCENE_MODE_SUNSET: + case SCENE_MODE_DUSK_DAWN: + case SCENE_MODE_FALL_COLOR: + case SCENE_MODE_FIREWORKS: + case SCENE_MODE_TEXT: + case SCENE_MODE_CANDLE_LIGHT: + sr130pc20_set_from_table(sd, "scene_mode", + state->regs->scene_mode, + ARRAY_SIZE(state->regs->scene_mode), val); + break; + + default: + cam_err("set_scene: error, not supported (%d)\n", val); + val = SCENE_MODE_NONE; + goto retry; + } + + state->scene_mode = val; + + cam_trace("X\n"); + return 0; +} + +/* PX: Set brightness */ +static int sr130pc20_set_exposure(struct v4l2_subdev *sd, s32 val) +{ + struct sr130pc20_state *state = to_state(sd); + int err = 0; + + if ((val < EV_MINUS_4) || (val > EV_PLUS_4)) { + cam_err("%s: error, invalid value(%d)\n", __func__, val); + return -EINVAL; + } + + sr130pc20_set_from_table(sd, "brightness", state->regs->ev, + ARRAY_SIZE(state->regs->ev), GET_EV_INDEX(val)); + + state->exposure.val = val; + + return err; +} + +static int sr130pc20_set_vt_mode(struct v4l2_subdev *sd, s32 val) +{ + struct sr130pc20_state *state = to_state(sd); + int err = 0; + + if (val == PREVIEW_VIDEOCALL) { + err = sr130pc20_set_from_table(sd, "VT_init_reg", + &state->regs->VT_init_reg, 1, 0); + cam_info("VT Mode\n"); + } else if (val == PREVIEW_SMARTSTAY) { + err = sr130pc20_set_from_table(sd, "SS_init_reg", + &state->regs->SS_init_reg, 1, 0); + cam_info("SMART STAY Mode\n"); + } + + state->vt_mode = val; + + return err; +} + +/* PX(NEW) */ +static int sr130pc20_set_capture_size(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + u32 width, height; + + if (unlikely(!state->capture.frmsize)) { + cam_warn("warning, capture resolution not set\n"); + state->capture.frmsize = sr130pc20_get_framesize( + sr130pc20_capture_frmsizes, + ARRAY_SIZE(sr130pc20_capture_frmsizes), + CAPTURE_SZ_1MP); + } + + width = state->capture.frmsize->width; + height = state->capture.frmsize->height; + + state->preview.update_frmsize = 1; + + cam_dbg("set capture size(%dx%d)\n", width, height); + + return 0; +} + +/* PX: Set sensor mode */ +static int sr130pc20_set_sensor_mode(struct v4l2_subdev *sd, s32 val) +{ + struct sr130pc20_state *state = to_state(sd); + + cam_trace("mode=%d\n", val); + + switch (val) { + case SENSOR_MOVIE: + /* We does not support movie mode when in VT. */ + if (state->vt_mode) { + state->sensor_mode = SENSOR_CAMERA; + cam_err("%s: error, Not support movie\n", __func__); + break; + } + /* We do not break. */ + + case SENSOR_CAMERA: + state->sensor_mode = val; + break; + + default: + cam_err("%s: error, Not support.(%d)\n", __func__, val); + state->sensor_mode = SENSOR_CAMERA; + WARN_ON(1); + break; + } + + return 0; +} + +/* PX: Set framerate */ +static int sr130pc20_set_frame_rate(struct v4l2_subdev *sd, s32 fps) +{ + struct sr130pc20_state *state = to_state(sd); + int err = -EIO; + int i = 0, fps_index = -1; + + if (!state->initialized || (state->req_fps < 0)) + return 0; + + cam_info("set frame rate %d\n", fps); + + if (fps > 25) + fps = 25; /* sensor limitation */ + + for (i = 0; i < ARRAY_SIZE(sr130pc20_framerates); i++) { + if (fps == sr130pc20_framerates[i].fps) { + fps_index = sr130pc20_framerates[i].index; + state->fps = fps; + state->req_fps = -1; + break; + } + } + + if (unlikely(fps_index < 0)) { + cam_err("set_fps: warning, not supported fps %d\n", fps); + return 0; + } + + err = sr130pc20_set_from_table(sd, "fps", state->regs->fps, + ARRAY_SIZE(state->regs->fps), fps_index); + CHECK_ERR_MSG(err, "fail to set framerate\n"); + + /*sr130pc20_control_stream(sd, STREAM_STOP);*/ + + return 0; +} + +static int sr130pc20_control_stream(struct v4l2_subdev *sd, u32 cmd) +{ + struct sr130pc20_state *state = to_state(sd); + int err = -EINVAL; + + if (cmd == STREAM_STOP) { + if (!((state->runmode == RUNMODE_RUNNING) + && state->capture.pre_req)) { + cam_info("STREAM STOP!!\n"); + // [ W/A : Skip stream off sr130pc20 to prevent I2C behavior (P130301-0098) + // - DPM timeout (kernel Panic) happen by I2C behavior during system suspending + // ] + if (state->vt_mode != PREVIEW_SMARTSTAY) { + err = sr130pc20_set_from_table(sd, "stream_stop", + &state->regs->stream_stop, 1, 0); + CHECK_ERR_MSG(err, "failed to stop stream\n"); + } + state->preview.update_frmsize = 1; + } + } else { + cam_info("STREAM START\n"); + return 0; + } + + switch (state->runmode) { + case RUNMODE_CAPTURING: + cam_dbg("Capture Stop!\n"); + state->runmode = RUNMODE_CAPTURING_STOP; + state->capture.ready = 0; + state->capture.lowlux_night = 0; + break; + + case RUNMODE_RUNNING: + cam_dbg("Preview Stop!\n"); + state->runmode = RUNMODE_RUNNING_STOP; + if (state->capture.pre_req) { + sr130pc20_prepare_fast_capture(sd); + state->capture.pre_req = 0; + } + break; + + case RUNMODE_RECORDING: + state->runmode = RUNMODE_RECORDING_STOP; + break; + + default: + break; + } + + /*msleep_debug(state->pdata->streamoff_delay, true);*/ + + return 0; +} + +/* PX: Set flash mode */ +static int sr130pc20_set_flash_mode(struct v4l2_subdev *sd, s32 val) +{ + struct sr130pc20_state *state = to_state(sd); + + /* movie flash mode should be set when recording is started */ +/* if (state->sensor_mode == SENSOR_MOVIE && !state->recording) + return 0;*/ + + if (state->flash.mode == val) { + cam_dbg("the same flash mode=%d\n", val); + return 0; + } + + if (val == FLASH_MODE_TORCH) + sr130pc20_flash_torch(sd, SR130PC20_FLASH_ON); + + if ((state->flash.mode == FLASH_MODE_TORCH) + && (val == FLASH_MODE_OFF)) + sr130pc20_flash_torch(sd, SR130PC20_FLASH_OFF); + + state->flash.mode = val; + cam_dbg("Flash mode = %d\n", val); + return 0; +} + +static int sr130pc20_check_esd(struct v4l2_subdev *sd, s32 val) +{ + u32 data = 0, size_h = 0, size_v = 0; + +/* To do */ + return 0; + +esd_out: + cam_err("Check ESD(%d): ESD Shock detected! val=0x%X\n\n", data, val); + return -ERESTART; +} + +/* returns the real iso currently used by sensor due to lighting + * conditions, not the requested iso we sent using s_ctrl. + */ +static inline int sr130pc20_get_exif_iso(struct v4l2_subdev *sd, u16 *iso) +{ + struct sr130pc20_state *state = to_state(sd); + int err = 0; + u8 read_value = 0; + unsigned short gain_value = 0; + + err = sr130pc20_writeb(sd, 0x03, 0x20); + CHECK_ERR_COND(err < 0, -ENODEV); + sr130pc20_readb(sd, 0xb0, &read_value); + + gain_value = ((read_value * 100) / 32) + 50; + cam_dbg("gain_value=%d, read_value=%d\n", gain_value, read_value); + + if (gain_value < 114) + *iso = 50; + else if (gain_value < 214) + *iso = 100; + else if (gain_value < 264) + *iso = 200; + else if (gain_value < 825) + *iso = 400; + else + *iso = 800; + + cam_dbg("gain_value=%d, ISO=%d\n", gain_value, *iso); + return 0; +} + +/* PX: Set ISO */ +static int __used sr130pc20_set_iso(struct v4l2_subdev *sd, s32 val) +{ + struct sr130pc20_state *state = to_state(sd); + + sr130pc20_set_from_table(sd, "iso", state->regs->iso, + ARRAY_SIZE(state->regs->iso), val); + + state->iso = val; + + cam_trace("X\n"); + return 0; +} + +/* PX: Return exposure time (ms) */ +static inline int sr130pc20_get_exif_exptime(struct v4l2_subdev *sd, + u32 *exp_time) +{ + struct sr130pc20_state *state = to_state(sd); + int err = 0; + u8 read_value1 = 0; + u8 read_value2 = 0; + u8 read_value3 = 0; + + err = sr130pc20_writeb(sd, 0x03, 0x20); + CHECK_ERR_COND(err < 0, -ENODEV); + + sr130pc20_readb(sd, 0x80, &read_value1); + sr130pc20_readb(sd, 0x81, &read_value2); + sr130pc20_readb(sd, 0x82, &read_value3); + + cam_dbg("exposure time read_value %d, %d, %d\n", + read_value1, read_value2, read_value3); + *exp_time = (read_value1 << 19) + + (read_value2 << 11) + (read_value3 << 3); + + cam_dbg("exposure time %dus\n", *exp_time); + return 0; +} + +static inline void sr130pc20_get_exif_flash(struct v4l2_subdev *sd, + u16 *flash) +{ + struct sr130pc20_state *state = to_state(sd); + + *flash = 0; + + switch (state->flash.mode) { + case FLASH_MODE_OFF: + *flash |= EXIF_FLASH_MODE_SUPPRESSION; + break; + + case FLASH_MODE_AUTO: + *flash |= EXIF_FLASH_MODE_AUTO; + break; + + case FLASH_MODE_ON: + case FLASH_MODE_TORCH: + *flash |= EXIF_FLASH_MODE_FIRING; + break; + + default: + break; + } + + if (state->flash.on) + *flash |= EXIF_FLASH_FIRED; +} + +/* PX: */ +static int sr130pc20_get_exif(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + u32 exposure_time = 0; + u32 int_dec, integer; + int OPCLK = 24000000; + + /* exposure time */ + state->exif.exp_time_den = 0; + sr130pc20_get_exif_exptime(sd, &exposure_time); + if (exposure_time) { + state->exif.exp_time_den = OPCLK / exposure_time; + } else { + state->exif.exp_time_den = 0; + } + + /* iso */ + state->exif.iso = 0; + sr130pc20_get_exif_iso(sd, &state->exif.iso); + + /* flash */ + sr130pc20_get_exif_flash(sd, &state->exif.flash); + + cam_dbg("EXIF: ex_time_den=%d, iso=%d, flash=0x%02X\n", + state->exif.exp_time_den, state->exif.iso, state->exif.flash); + + return 0; +} + +static int sr130pc20_set_preview_size(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + u32 width, height; + int err = -EINVAL; + + if (!state->preview.update_frmsize) + return 0; + + if (unlikely(!state->preview.frmsize)) { + cam_warn("warning, preview resolution not set\n"); + state->preview.frmsize = sr130pc20_get_framesize( + sr130pc20_preview_frmsizes, + ARRAY_SIZE(sr130pc20_preview_frmsizes), + PREVIEW_SZ_VGA); + } + + width = state->preview.frmsize->width; + height = state->preview.frmsize->height; + + cam_dbg("set preview size(%dx%d)\n", width, height); + + err = sr130pc20_set_from_table(sd, "preview_size", + state->regs->preview_size, ARRAY_SIZE(state->regs->preview_size), + state->preview.frmsize->index); + CHECK_ERR_MSG(err, "fail to set preview size\n"); + + state->preview.update_frmsize = 0; + + return 0; +} + +static int sr130pc20_start_preview(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + int err = -EINVAL; + + cam_info("Camera Preview start, runmode = %d\n", state->runmode); + + if ((state->runmode == RUNMODE_NOTREADY) || + (state->runmode == RUNMODE_CAPTURING)) { + cam_err("%s: error - Invalid runmode\n", __func__); + return -EPERM; + } + + state->focus.status = AF_RESULT_SUCCESS; + + /* Transit preview mode */ + err = sr130pc20_transit_preview_mode(sd); + CHECK_ERR_MSG(err, "preview_mode(%d)\n", err); + + /* Set preview size */ + sr130pc20_set_preview_size(sd); + + sr130pc20_control_stream(sd, STREAM_START); + + state->runmode = (state->sensor_mode == SENSOR_CAMERA) ? + RUNMODE_RUNNING : RUNMODE_RECORDING; + return 0; +} + +static int sr130pc20_set_capture(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + int err = 0; + + cam_info("set_capture\n"); + + /* Set capture size */ + sr130pc20_set_capture_size(sd); + + /* Transit to capture mode */ + err = sr130pc20_transit_capture_mode(sd); + CHECK_ERR_MSG(err, "fail to capture_mode (%d)\n", err); + return 0; +} + +static int sr130pc20_prepare_fast_capture(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + int err = 0; + + cam_info("prepare_fast_capture\n"); + + state->req_fmt.width = (state->capture.pre_req >> 16); + state->req_fmt.height = (state->capture.pre_req & 0xFFFF); + sr130pc20_set_framesize(sd, sr130pc20_capture_frmsizes, + ARRAY_SIZE(sr130pc20_capture_frmsizes), false); + + err = sr130pc20_set_capture(sd); + CHECK_ERR(err); + + state->capture.ready = 1; + + return 0; +} + +static int sr130pc20_start_capture(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + int err = -ENODEV, count; + u32 val = 0; + u32 night_delay; + + cam_info("start_capture\n"); + + if (!state->capture.ready) { + err = sr130pc20_set_capture(sd); + CHECK_ERR(err); + + sr130pc20_control_stream(sd, STREAM_START); + night_delay = 500; + } else + night_delay = 700; /* for completely skipping 1 frame. */ + + state->runmode = RUNMODE_CAPTURING; + + if (state->capture.lowlux_night) + msleep_debug(night_delay, true); + + /* Get EXIF */ + sr130pc20_get_exif(sd); + + return 0; +} + +/** + * sr200pc20_init_regs: Indentify chip and get pointer to reg table + * @ + */ +static int sr130pc20_init_regs(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + int err = -ENODEV; + u8 read_value = 0; + + err = sr130pc20_writeb(sd, 0x03, 0x00); + CHECK_ERR_COND(err < 0, -ENODEV); + + sr130pc20_readb(sd, 0x04, &read_value); + if (SR130PC20_CHIP_ID == read_value) + cam_info("Sensor ChipID: 0x%02X\n", SR130PC20_CHIP_ID); + else + cam_info("Sensor ChipID: 0x%02X, unknown chipID\n", read_value); + + state->regs = ®_datas; + + return 0; +} + + +/* PX(NEW) */ +static int sr130pc20_s_mbus_fmt(struct v4l2_subdev *sd, + struct v4l2_mbus_framefmt *fmt) +{ + struct sr130pc20_state *state = to_state(sd); + s32 previous_index = 0; + + cam_dbg("%s: pixelformat = 0x%x, colorspace = 0x%x, width = %d, height = %d\n", + __func__, fmt->code, fmt->colorspace, fmt->width, fmt->height); + + v4l2_fill_pix_format(&state->req_fmt, fmt); + if ((IS_MODE_CAPTURE_STILL == fmt->field) + && (SENSOR_CAMERA == state->sensor_mode)) + state->format_mode = V4L2_PIX_FMT_MODE_CAPTURE; + else + state->format_mode = V4L2_PIX_FMT_MODE_PREVIEW; + + if (state->format_mode != V4L2_PIX_FMT_MODE_CAPTURE) { + previous_index = state->preview.frmsize ? + state->preview.frmsize->index : -1; + sr130pc20_set_framesize(sd, sr130pc20_preview_frmsizes, + ARRAY_SIZE(sr130pc20_preview_frmsizes), true); + + if (previous_index != state->preview.frmsize->index) + state->preview.update_frmsize = 1; + } else { + /* + * In case of image capture mode, + * if the given image resolution is not supported, + * use the next higher image resolution. */ + sr130pc20_set_framesize(sd, sr130pc20_capture_frmsizes, + ARRAY_SIZE(sr130pc20_capture_frmsizes), false); + + /* for maket app. + * Samsung camera app does not use unmatched ratio.*/ + if (unlikely(NULL == state->preview.frmsize)) { + cam_warn("warning, capture without preview resolution\n"); + } else if (unlikely(FRM_RATIO(state->preview.frmsize) + != FRM_RATIO(state->capture.frmsize))) { + cam_warn("warning, capture ratio " \ + "is different with preview ratio\n"); + } + } + + return 0; +} + +static int sr130pc20_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned int index, + enum v4l2_mbus_pixelcode *code) +{ + cam_dbg("%s: index = %d\n", __func__, index); + + if (index >= ARRAY_SIZE(capture_fmts)) + return -EINVAL; + + *code = capture_fmts[index].code; + + return 0; +} + +static int sr130pc20_try_mbus_fmt(struct v4l2_subdev *sd, + struct v4l2_mbus_framefmt *fmt) +{ + int num_entries; + int i; + + num_entries = ARRAY_SIZE(capture_fmts); + + cam_dbg("%s: code = 0x%x , colorspace = 0x%x, num_entries = %d\n", + __func__, fmt->code, fmt->colorspace, num_entries); + + for (i = 0; i < num_entries; i++) { + if (capture_fmts[i].code == fmt->code && + capture_fmts[i].colorspace == fmt->colorspace) { + cam_info("%s: match found, returning 0\n", __func__); + return 0; + } + } + + cam_err("%s: no match found, returning -EINVAL\n", __func__); + return -EINVAL; +} + + +static int sr130pc20_enum_framesizes(struct v4l2_subdev *sd, + struct v4l2_frmsizeenum *fsize) +{ + struct sr130pc20_state *state = to_state(sd); + + /* + * The camera interface should read this value, this is the resolution + * at which the sensor would provide framedata to the camera i/f + * In case of image capture, + * this returns the default camera resolution (VGA) + */ + if (state->format_mode != V4L2_PIX_FMT_MODE_CAPTURE) { + if (unlikely(state->preview.frmsize == NULL)) { + cam_err("%s: error\n", __func__); + return -EFAULT; + } + + fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; + fsize->discrete.width = state->preview.frmsize->width; + fsize->discrete.height = state->preview.frmsize->height; + } else { + if (unlikely(state->capture.frmsize == NULL)) { + cam_err("%s: error\n", __func__); + return -EFAULT; + } + + fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; + fsize->discrete.width = state->capture.frmsize->width; + fsize->discrete.height = state->capture.frmsize->height; + } + + return 0; +} + +static int sr130pc20_g_parm(struct v4l2_subdev *sd, + struct v4l2_streamparm *param) +{ + return 0; +} + +static int sr130pc20_s_parm(struct v4l2_subdev *sd, + struct v4l2_streamparm *param) +{ + struct sr130pc20_state *state = to_state(sd); + + state->req_fps = param->parm.capture.timeperframe.denominator / + param->parm.capture.timeperframe.numerator; + + cam_dbg("s_parm state->fps=%d, state->req_fps=%d\n", + state->fps, state->req_fps); + + if (state->req_fps < 0) { + cam_err("%s: error, invalid frame rate %d. we'll set to 0\n", + __func__, state->req_fps); + state->req_fps = 0; + } else if (state->req_fps > 25) { + cam_err("%s: error, invalid frame rate %d. we'll set to 25\n", + __func__, state->req_fps); + state->req_fps = 25; + } + + return sr130pc20_set_frame_rate(sd, state->req_fps); +} + +static int sr130pc20_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +{ + struct sr130pc20_state *state = to_state(sd); + int err = 0; + + if (!state->initialized) { + cam_err("%s: WARNING, camera not initialized\n", __func__); + return 0; + } + + mutex_lock(&state->ctrl_lock); + + switch (ctrl->id) { + case V4L2_CID_CAMERA_EXIF_EXPTIME: + if (state->sensor_mode == SENSOR_CAMERA) + ctrl->value = state->exif.exp_time_den; + else + ctrl->value = 24; + break; + + case V4L2_CID_CAMERA_EXIF_ISO: + if (state->sensor_mode == SENSOR_CAMERA) + ctrl->value = state->exif.iso; + else + ctrl->value = 100; + break; + + case V4L2_CID_CAMERA_EXIF_FLASH: + if (state->sensor_mode == SENSOR_CAMERA) + ctrl->value = state->exif.flash; + else + sr130pc20_get_exif_flash(sd, (u16 *)ctrl->value); + break; + +#if !defined(CONFIG_CAM_YUV_CAPTURE) + case V4L2_CID_CAM_JPEG_MAIN_SIZE: + ctrl->value = state->jpeg.main_size; + break; + + case V4L2_CID_CAM_JPEG_MAIN_OFFSET: + ctrl->value = state->jpeg.main_offset; + break; + + case V4L2_CID_CAM_JPEG_THUMB_SIZE: + ctrl->value = state->jpeg.thumb_size; + break; + + case V4L2_CID_CAM_JPEG_THUMB_OFFSET: + ctrl->value = state->jpeg.thumb_offset; + break; + + case V4L2_CID_CAM_JPEG_QUALITY: + ctrl->value = state->jpeg.quality; + break; + + case V4L2_CID_CAM_JPEG_MEMSIZE: + ctrl->value = SENSOR_JPEG_SNAPSHOT_MEMSIZE; + break; +#endif + + case V4L2_CID_CAMERA_AUTO_FOCUS_RESULT: + ctrl->value = state->focus.status; + break; + + case V4L2_CID_CAMERA_WHITE_BALANCE: + case V4L2_CID_CAMERA_EFFECT: + case V4L2_CID_CAMERA_CONTRAST: + case V4L2_CID_CAMERA_SATURATION: + case V4L2_CID_CAMERA_SHARPNESS: + case V4L2_CID_CAMERA_OBJ_TRACKING_STATUS: + case V4L2_CID_CAMERA_SMART_AUTO_STATUS: + default: + cam_err("%s: WARNING, unknown Ctrl-ID 0x%x\n", + __func__, ctrl->id); + err = 0; /* we return no error. */ + break; + } + + mutex_unlock(&state->ctrl_lock); + + return err; +} + +static int sr130pc20_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +{ + struct sr130pc20_state *state = to_state(sd); + int err = 0; + + if (!state->initialized && ctrl->id != V4L2_CID_CAMERA_SENSOR_MODE + && ctrl->id != V4L2_CID_CAMERA_VT_MODE) { + cam_warn("%s: WARNING, camera not initialized. ID = %d(0x%X)\n", + __func__, ctrl->id - V4L2_CID_PRIVATE_BASE, + ctrl->id - V4L2_CID_PRIVATE_BASE); + return 0; + } + + cam_dbg("%s: ID =%d, val = %d\n", + __func__, ctrl->id - V4L2_CID_PRIVATE_BASE, ctrl->value); + + mutex_lock(&state->ctrl_lock); + + switch (ctrl->id) { + case V4L2_CID_CAMERA_SENSOR_MODE: + err = sr130pc20_set_sensor_mode(sd, ctrl->value); + break; + + case V4L2_CID_CAMERA_BRIGHTNESS: + err = sr130pc20_set_exposure(sd, ctrl->value); + break; + + case V4L2_CID_CAMERA_WHITE_BALANCE: + err = sr130pc20_set_from_table(sd, "white balance", + state->regs->white_balance, + ARRAY_SIZE(state->regs->white_balance), ctrl->value); + state->wb.mode = ctrl->value; + break; + + case V4L2_CID_CAMERA_EFFECT: + err = sr130pc20_set_from_table(sd, "effects", + state->regs->effect, + ARRAY_SIZE(state->regs->effect), ctrl->value); + break; + + case V4L2_CID_CAMERA_METERING: + err = sr130pc20_set_from_table(sd, "metering", + state->regs->metering, + ARRAY_SIZE(state->regs->metering), ctrl->value); + break; + + case V4L2_CID_CAMERA_SCENE_MODE: + err = sr130pc20_set_scene_mode(sd, ctrl->value); + break; + + case V4L2_CID_CAMERA_CHECK_ESD: + err = sr130pc20_check_esd(sd, ctrl->value); + break; + + case V4L2_CID_CAMERA_ISO: + err = sr130pc20_set_iso(sd, ctrl->value); + break; + + case V4L2_CID_CAMERA_CAPTURE_MODE: + if (RUNMODE_RUNNING == state->runmode) + state->capture.pre_req = ctrl->value; + break; + + case V4L2_CID_CAMERA_VT_MODE: + err = sr130pc20_set_vt_mode(sd, ctrl->value); + break; + + case V4L2_CID_CAMERA_ANTI_BANDING: + break; + + case V4L2_CID_CAMERA_OBJECT_POSITION_X: + case V4L2_CID_CAMERA_OBJECT_POSITION_Y: + case V4L2_CID_CAMERA_TOUCH_AF_START_STOP: + case V4L2_CID_CAMERA_FOCUS_MODE: + case V4L2_CID_CAMERA_SET_AUTO_FOCUS: + case V4L2_CID_CAMERA_FLASH_MODE: + case V4L2_CID_CAMERA_CONTRAST: + case V4L2_CID_CAMERA_SATURATION: + case V4L2_CID_CAMERA_SHARPNESS: + case V4L2_CID_CAMERA_FRAME_RATE: + case V4L2_CID_CAMERA_AE_LOCK_UNLOCK: + case V4L2_CID_CAMERA_AWB_LOCK_UNLOCK: + default: + cam_err("%s: WARNING, unknown Ctrl-ID 0x%x\n", + __func__, ctrl->id); + /* we return no error. */ + break; + } + + mutex_unlock(&state->ctrl_lock); + CHECK_ERR_MSG(err, "s_ctrl failed %d\n", err) + + return 0; +} + +static int sr130pc20_s_ext_ctrl(struct v4l2_subdev *sd, + struct v4l2_ext_control *ctrl) +{ + return 0; +} + +static int sr130pc20_s_ext_ctrls(struct v4l2_subdev *sd, + struct v4l2_ext_controls *ctrls) +{ + struct v4l2_ext_control *ctrl = ctrls->controls; + int ret; + int i; + + for (i = 0; i < ctrls->count; i++, ctrl++) { + ret = sr130pc20_s_ext_ctrl(sd, ctrl); + + if (ret) { + ctrls->error_idx = i; + break; + } + } + + return ret; +} + +static int sr130pc20_s_stream(struct v4l2_subdev *sd, int enable) +{ + struct sr130pc20_state *state = to_state(sd); + int err = 0; + + cam_info("stream mode = %d\n", enable); + + if (unlikely(!state->initialized)) { + WARN(1, "s_stream, not initialized\n"); + return -EPERM; + } + + switch (enable) { + case STREAM_MODE_CAM_OFF: + if (state->pdata->is_mipi) + err = sr130pc20_control_stream(sd, STREAM_STOP); + break; + + case STREAM_MODE_CAM_ON: + if (state->format_mode == V4L2_PIX_FMT_MODE_CAPTURE) + err = sr130pc20_start_capture(sd); + else + err = sr130pc20_start_preview(sd); + break; + + case STREAM_MODE_MOVIE_OFF: + cam_info("movie off"); + state->recording = 0; + break; + + case STREAM_MODE_MOVIE_ON: + cam_info("movie on"); + state->recording = 1; + break; + + default: + cam_err("%s: error - Invalid stream mode\n", __func__); + break; + } + + CHECK_ERR_MSG(err, "failed\n"); + + return 0; +} + +static inline int sr130pc20_check_i2c(struct v4l2_subdev *sd, u16 data) +{ + return 0; +} + +static void sr130pc20_init_parameter(struct v4l2_subdev *sd) +{ + struct sr130pc20_state *state = to_state(sd); + + state->runmode = RUNMODE_INIT; + + /* Default state values */ + state->scene_mode = SCENE_MODE_NONE; + state->wb.mode = WHITE_BALANCE_AUTO; + state->light_level = LUX_LEVEL_MAX; + + /* Set update_frmsize to 1 for case of power reset */ + state->preview.update_frmsize = 1; + + /* Initialize focus field for case of init after power reset. */ + memset(&state->focus, 0, sizeof(state->focus)); + + state->lux_level_flash = LUX_LEVEL_FLASH_ON; + state->shutter_level_flash = 0x0; + +} + +static int sr130pc20_init(struct v4l2_subdev *sd, u32 val) +{ + struct sr130pc20_state *state = to_state(sd); + int err = -EINVAL; + + cam_info("init: start (%s)\n", __DATE__); + +#ifdef CONFIG_LOAD_FILE + err = sr130pc20_regs_table_init(); + CHECK_ERR_MSG(err, "loading setfile fail!\n"); +#endif + err = sr130pc20_init_regs(sd); + CHECK_ERR_MSG(err, "failed to indentify sensor chip\n"); + + err = sr130pc20_set_from_table(sd, "init_reg", + &state->regs->init_reg, 1, 0); + + CHECK_ERR_MSG(err, "failed to initialize camera device\n"); + sr130pc20_init_parameter(sd); + state->initialized = 1; + fimc_is = 1; + + return 0; +} + +/* + * s_config subdev ops + * With camera device, we need to re-initialize + * every single opening time therefor, + * it is not necessary to be initialized on probe time. + * except for version checking + * NOTE: version checking is optional + */ +static int sr130pc20_s_config(struct v4l2_subdev *sd, + int irq, void *platform_data) +{ + struct sr130pc20_state *state = to_state(sd); + int i; + + if (!platform_data) { + cam_err("%s: error, no platform data\n", __func__); + return -ENODEV; + } + state->pdata = platform_data; + state->dbg_level = &state->pdata->dbg_level; + + /* + * Assign default format and resolution + * Use configured default information in platform data + * or without them, use default information in driver + */ + state->req_fmt.width = state->pdata->default_width; + state->req_fmt.height = state->pdata->default_height; + + if (!state->pdata->pixelformat) + state->req_fmt.pixelformat = DEFAULT_PIX_FMT; + else + state->req_fmt.pixelformat = state->pdata->pixelformat; + + if (!state->pdata->freq) + state->freq = DEFAULT_MCLK; /* 24MHz default */ + else + state->freq = state->pdata->freq; + + state->preview.frmsize = state->capture.frmsize = NULL; + state->sensor_mode = SENSOR_CAMERA; + state->format_mode = V4L2_PIX_FMT_MODE_PREVIEW; + state->fps = 0; + state->req_fps = -1; + state->write_fps = 0; + + /* Initialize the independant HW module like flash here */ + state->flash.mode = FLASH_MODE_OFF; + state->flash.on = 0; + + for (i = 0; i < ARRAY_SIZE(sr130pc20_ctrls); i++) + sr130pc20_ctrls[i].value = sr130pc20_ctrls[i].default_value; + +#ifdef SR130PC20_SUPPORT_FLASH + if (sr130pc20_is_hwflash_on(sd)) + state->flash.ignore_flash = 1; +#endif + + state->regs = ®_datas; + + return 0; +} + +static const struct v4l2_subdev_core_ops sr130pc20_core_ops = { + .init = sr130pc20_init, /* initializing API */ + .g_ctrl = sr130pc20_g_ctrl, + .s_ctrl = sr130pc20_s_ctrl, + .s_ext_ctrls = sr130pc20_s_ext_ctrls, + /*eset = sr130pc20_reset, */ +}; + +static const struct v4l2_subdev_video_ops sr130pc20_video_ops = { + .s_mbus_fmt = sr130pc20_s_mbus_fmt, + .enum_framesizes = sr130pc20_enum_framesizes, + .enum_mbus_fmt = sr130pc20_enum_mbus_fmt, + .try_mbus_fmt = sr130pc20_try_mbus_fmt, + .g_parm = sr130pc20_g_parm, + .s_parm = sr130pc20_s_parm, + .s_stream = sr130pc20_s_stream, +}; + +static const struct v4l2_subdev_ops sr130pc20_ops = { + .core = &sr130pc20_core_ops, + .video = &sr130pc20_video_ops, +}; + + +/* + * sr130pc20_probe + * Fetching platform data is being done with s_config subdev call. + * In probe routine, we just register subdev device + */ +static int sr130pc20_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct v4l2_subdev *sd; + struct sr130pc20_state *state; + int err = -EINVAL; + + state = kzalloc(sizeof(struct sr130pc20_state), GFP_KERNEL); + if (unlikely(!state)) { + dev_err(&client->dev, "probe, fail to get memory\n"); + return -ENOMEM; + } + + mutex_init(&state->ctrl_lock); + + state->runmode = RUNMODE_NOTREADY; + sd = &state->sd; + strcpy(sd->name, SR130PC20_DRIVER_NAME); + + /* Registering subdev */ + v4l2_i2c_subdev_init(sd, client, &sr130pc20_ops); + + state->workqueue = create_workqueue("cam_workqueue"); + if (unlikely(!state->workqueue)) { + dev_err(&client->dev, "probe, fail to create workqueue\n"); + goto err_out; + } + + err = sr130pc20_s_config(sd, 0, client->dev.platform_data); + CHECK_ERR_MSG(err, "fail to s_config\n"); + + printk(KERN_DEBUG "%s %s: driver probed!!\n", + dev_driver_string(&client->dev), dev_name(&client->dev)); + + return 0; + +err_out: + kfree(state); + return -ENOMEM; +} + +static int sr130pc20_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct sr130pc20_state *state = to_state(sd); + + destroy_workqueue(state->workqueue); + + /* Check whether flash is on when unlolading driver, + * to preventing Market App from controlling improperly flash. + * It isn't necessary in case that you power flash down + * in power routine to turn camera off.*/ + if (unlikely(state->flash.on && !state->flash.ignore_flash)) + sr130pc20_flash_torch(sd, SR130PC20_FLASH_OFF); + + v4l2_device_unregister_subdev(sd); + mutex_destroy(&state->ctrl_lock); + kfree(state); + fimc_is = 0; + + printk(KERN_DEBUG "%s %s: driver removed!!\n", + dev_driver_string(&client->dev), dev_name(&client->dev)); + return 0; +} + +static int is_sysdev(struct device *dev, void *str) +{ + return !strcmp(dev_name(dev), (char *)str) ? 1 : 0; +} + +static ssize_t cam_loglevel_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + char temp_buf[60] = {0,}; + + sprintf(buf, "Log Level: "); + if (dbg_level & CAMDBG_LEVEL_TRACE) { + sprintf(temp_buf, "trace "); + strcat(buf, temp_buf); + } + + if (dbg_level & CAMDBG_LEVEL_DEBUG) { + sprintf(temp_buf, "debug "); + strcat(buf, temp_buf); + } + + if (dbg_level & CAMDBG_LEVEL_INFO) { + sprintf(temp_buf, "info "); + strcat(buf, temp_buf); + } + + sprintf(temp_buf, "\n - warn and error level is always on\n\n"); + strcat(buf, temp_buf); + + return strlen(buf); +} + +static ssize_t cam_loglevel_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + printk(KERN_DEBUG "CAM buf=%s, count=%d\n", buf, count); + + if (strstr(buf, "trace")) + dbg_level |= CAMDBG_LEVEL_TRACE; + else + dbg_level &= ~CAMDBG_LEVEL_TRACE; + + if (strstr(buf, "debug")) + dbg_level |= CAMDBG_LEVEL_DEBUG; + else + dbg_level &= ~CAMDBG_LEVEL_DEBUG; + + if (strstr(buf, "info")) + dbg_level |= CAMDBG_LEVEL_INFO; + + return count; +} + +static DEVICE_ATTR(loglevel, 0664, cam_loglevel_show, cam_loglevel_store); + +static int sr130pc20_create_dbglogfile(struct class *cls) +{ + struct device *dev; + int err; + + dbg_level |= CAMDBG_LEVEL_DEFAULT; + + dev = class_find_device(cls, NULL, "front", is_sysdev); + if (unlikely(!dev)) { + pr_info("[SR130PC20] can not find front device\n"); + return 0; + } + + err = device_create_file(dev, &dev_attr_loglevel); + if (unlikely(err < 0)) { + pr_err("cam_init: failed to create device file, %s\n", + dev_attr_loglevel.attr.name); + } + + return 0; +} + +static const struct i2c_device_id sr130pc20_id[] = { + { SR130PC20_DRIVER_NAME, 0 }, + {} +}; + +MODULE_DEVICE_TABLE(i2c, sr130pc20_id); + +static struct i2c_driver v4l2_i2c_driver = { + .driver.name = SR130PC20_DRIVER_NAME, + .probe = sr130pc20_probe, + .remove = sr130pc20_remove, + .id_table = sr130pc20_id, +}; + +static int __init v4l2_i2c_drv_init(void) +{ + pr_info("%s: %s called\n", __func__, SR130PC20_DRIVER_NAME); /* dslim*/ + sr130pc20_create_file(camera_class); + sr130pc20_create_dbglogfile(camera_class); + return i2c_add_driver(&v4l2_i2c_driver); +} + +static void __exit v4l2_i2c_drv_cleanup(void) +{ + pr_info("%s: %s called\n", __func__, SR130PC20_DRIVER_NAME); /* dslim*/ + i2c_del_driver(&v4l2_i2c_driver); +} + +module_init(v4l2_i2c_drv_init); +module_exit(v4l2_i2c_drv_cleanup); + +MODULE_DESCRIPTION("SILICONFILE SR130PC20 1.3MP SOC camera driver"); +MODULE_AUTHOR("Dong-Seong Lim <dongseong.lim@samsung.com>"); +MODULE_LICENSE("GPL"); |