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-rw-r--r--drivers/media/i2c/Kconfig10
-rw-r--r--drivers/media/i2c/Makefile1
-rw-r--r--drivers/media/i2c/s5k4ecgx.c954
3 files changed, 0 insertions, 965 deletions
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index a3f756d8922c..833241897d63 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -751,16 +751,6 @@ config VIDEO_S5C73M3
This is a V4L2 sensor driver for Samsung S5C73M3
8 Mpixel camera.
-config VIDEO_S5K4ECGX
- tristate "Samsung S5K4ECGX sensor support"
- depends on I2C && VIDEO_DEV
- select MEDIA_CONTROLLER
- select VIDEO_V4L2_SUBDEV_API
- select CRC32
- help
- This is a V4L2 sensor driver for Samsung S5K4ECGX 5M
- camera sensor with an embedded SoC image signal processor.
-
config VIDEO_S5K5BAF
tristate "Samsung S5K5BAF sensor support"
depends on I2C && VIDEO_DEV
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index ba28a8f8a07f..4d6c052bb5a7 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -105,7 +105,6 @@ obj-$(CONFIG_VIDEO_RDACM20) += rdacm20.o
obj-$(CONFIG_VIDEO_RDACM21) += rdacm21.o
obj-$(CONFIG_VIDEO_RJ54N1) += rj54n1cb0c.o
obj-$(CONFIG_VIDEO_S5C73M3) += s5c73m3/
-obj-$(CONFIG_VIDEO_S5K4ECGX) += s5k4ecgx.o
obj-$(CONFIG_VIDEO_S5K5BAF) += s5k5baf.o
obj-$(CONFIG_VIDEO_S5K6A3) += s5k6a3.o
obj-$(CONFIG_VIDEO_S5K6AA) += s5k6aa.o
diff --git a/drivers/media/i2c/s5k4ecgx.c b/drivers/media/i2c/s5k4ecgx.c
deleted file mode 100644
index 3caf14dcb6fa..000000000000
--- a/drivers/media/i2c/s5k4ecgx.c
+++ /dev/null
@@ -1,954 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Driver for Samsung S5K4ECGX 1/4" 5Mp CMOS Image Sensor SoC
- * with an Embedded Image Signal Processor.
- *
- * Copyright (C) 2012, Linaro, Sangwook Lee <sangwook.lee@linaro.org>
- * Copyright (C) 2012, Insignal Co,. Ltd, Homin Lee <suapapa@insignal.co.kr>
- *
- * Based on s5k6aa and noon010pc30 driver
- * Copyright (C) 2011, Samsung Electronics Co., Ltd.
- */
-
-#include <linux/clk.h>
-#include <linux/crc32.h>
-#include <linux/ctype.h>
-#include <linux/delay.h>
-#include <linux/firmware.h>
-#include <linux/gpio/consumer.h>
-#include <linux/i2c.h>
-#include <linux/module.h>
-#include <linux/regulator/consumer.h>
-#include <linux/slab.h>
-#include <asm/unaligned.h>
-
-#include <media/media-entity.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);
-
-#define S5K4ECGX_DRIVER_NAME "s5k4ecgx"
-#define S5K4ECGX_FIRMWARE "s5k4ecgx.bin"
-
-/* Firmware revision information */
-#define REG_FW_REVISION 0x700001a6
-#define REG_FW_VERSION 0x700001a4
-#define S5K4ECGX_REVISION_1_1 0x11
-#define S5K4ECGX_FW_VERSION 0x4ec0
-
-/* General purpose parameters */
-#define REG_USER_BRIGHTNESS 0x7000022c
-#define REG_USER_CONTRAST 0x7000022e
-#define REG_USER_SATURATION 0x70000230
-
-#define REG_G_ENABLE_PREV 0x7000023e
-#define REG_G_ENABLE_PREV_CHG 0x70000240
-#define REG_G_NEW_CFG_SYNC 0x7000024a
-#define REG_G_PREV_IN_WIDTH 0x70000250
-#define REG_G_PREV_IN_HEIGHT 0x70000252
-#define REG_G_PREV_IN_XOFFS 0x70000254
-#define REG_G_PREV_IN_YOFFS 0x70000256
-#define REG_G_CAP_IN_WIDTH 0x70000258
-#define REG_G_CAP_IN_HEIGHT 0x7000025a
-#define REG_G_CAP_IN_XOFFS 0x7000025c
-#define REG_G_CAP_IN_YOFFS 0x7000025e
-#define REG_G_INPUTS_CHANGE_REQ 0x70000262
-#define REG_G_ACTIVE_PREV_CFG 0x70000266
-#define REG_G_PREV_CFG_CHG 0x70000268
-#define REG_G_PREV_OPEN_AFTER_CH 0x7000026a
-
-/* Preview context register sets. n = 0...4. */
-#define PREG(n, x) ((n) * 0x30 + (x))
-#define REG_P_OUT_WIDTH(n) PREG(n, 0x700002a6)
-#define REG_P_OUT_HEIGHT(n) PREG(n, 0x700002a8)
-#define REG_P_FMT(n) PREG(n, 0x700002aa)
-#define REG_P_PVI_MASK(n) PREG(n, 0x700002b4)
-#define REG_P_FR_TIME_TYPE(n) PREG(n, 0x700002be)
-#define FR_TIME_DYNAMIC 0
-#define FR_TIME_FIXED 1
-#define FR_TIME_FIXED_ACCURATE 2
-#define REG_P_FR_TIME_Q_TYPE(n) PREG(n, 0x700002c0)
-#define FR_TIME_Q_DYNAMIC 0
-#define FR_TIME_Q_BEST_FRRATE 1
-#define FR_TIME_Q_BEST_QUALITY 2
-
-/* Frame period in 0.1 ms units */
-#define REG_P_MAX_FR_TIME(n) PREG(n, 0x700002c2)
-#define REG_P_MIN_FR_TIME(n) PREG(n, 0x700002c4)
-#define US_TO_FR_TIME(__t) ((__t) / 100)
-#define REG_P_PREV_MIRROR(n) PREG(n, 0x700002d0)
-#define REG_P_CAP_MIRROR(n) PREG(n, 0x700002d2)
-
-#define REG_G_PREVZOOM_IN_WIDTH 0x70000494
-#define REG_G_PREVZOOM_IN_HEIGHT 0x70000496
-#define REG_G_PREVZOOM_IN_XOFFS 0x70000498
-#define REG_G_PREVZOOM_IN_YOFFS 0x7000049a
-#define REG_G_CAPZOOM_IN_WIDTH 0x7000049c
-#define REG_G_CAPZOOM_IN_HEIGHT 0x7000049e
-#define REG_G_CAPZOOM_IN_XOFFS 0x700004a0
-#define REG_G_CAPZOOM_IN_YOFFS 0x700004a2
-
-/* n = 0...4 */
-#define REG_USER_SHARPNESS(n) (0x70000a28 + (n) * 0xb6)
-
-/* Reduce sharpness range for user space API */
-#define SHARPNESS_DIV 8208
-#define TOK_TERM 0xffffffff
-
-/*
- * FIXME: This is copied from s5k6aa, because of no information
- * in the S5K4ECGX datasheet.
- * H/W register Interface (0xd0000000 - 0xd0000fff)
- */
-#define AHB_MSB_ADDR_PTR 0xfcfc
-#define GEN_REG_OFFSH 0xd000
-#define REG_CMDWR_ADDRH 0x0028
-#define REG_CMDWR_ADDRL 0x002a
-#define REG_CMDRD_ADDRH 0x002c
-#define REG_CMDRD_ADDRL 0x002e
-#define REG_CMDBUF0_ADDR 0x0f12
-
-struct s5k4ecgx_frmsize {
- struct v4l2_frmsize_discrete size;
- /* Fixed sensor matrix crop rectangle */
- struct v4l2_rect input_window;
-};
-
-struct regval_list {
- u32 addr;
- u16 val;
-};
-
-/*
- * TODO: currently only preview is supported and snapshot (capture)
- * is not implemented yet
- */
-static const struct s5k4ecgx_frmsize s5k4ecgx_prev_sizes[] = {
- {
- .size = { 176, 144 },
- .input_window = { 0x00, 0x00, 0x928, 0x780 },
- }, {
- .size = { 352, 288 },
- .input_window = { 0x00, 0x00, 0x928, 0x780 },
- }, {
- .size = { 640, 480 },
- .input_window = { 0x00, 0x00, 0xa00, 0x780 },
- }, {
- .size = { 720, 480 },
- .input_window = { 0x00, 0x00, 0xa00, 0x6a8 },
- }
-};
-
-#define S5K4ECGX_NUM_PREV ARRAY_SIZE(s5k4ecgx_prev_sizes)
-
-struct s5k4ecgx_pixfmt {
- u32 code;
- u32 colorspace;
- /* REG_TC_PCFG_Format register value */
- u16 reg_p_format;
-};
-
-/* By default value, output from sensor will be YUV422 0-255 */
-static const struct s5k4ecgx_pixfmt s5k4ecgx_formats[] = {
- { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_JPEG, 5 },
-};
-
-static const char * const s5k4ecgx_supply_names[] = {
- /*
- * Usually 2.8V is used for analog power (vdda)
- * and digital IO (vddio, vdddcore)
- */
- "vdda",
- "vddio",
- "vddcore",
- "vddreg", /* The internal s5k4ecgx regulator's supply (1.8V) */
-};
-
-#define S5K4ECGX_NUM_SUPPLIES ARRAY_SIZE(s5k4ecgx_supply_names)
-
-struct s5k4ecgx {
- struct v4l2_subdev sd;
- struct media_pad pad;
- struct v4l2_ctrl_handler handler;
-
- struct s5k4ecgx_platform_data *pdata;
- const struct s5k4ecgx_pixfmt *curr_pixfmt;
- const struct s5k4ecgx_frmsize *curr_frmsize;
- struct mutex lock;
- u8 streaming;
- u8 set_params;
-
- struct regulator_bulk_data supplies[S5K4ECGX_NUM_SUPPLIES];
- struct gpio_desc *stby;
- struct gpio_desc *reset;
-};
-
-static inline struct s5k4ecgx *to_s5k4ecgx(struct v4l2_subdev *sd)
-{
- return container_of(sd, struct s5k4ecgx, sd);
-}
-
-static int s5k4ecgx_i2c_read(struct i2c_client *client, u16 addr, u16 *val)
-{
- u8 wbuf[2] = { addr >> 8, addr & 0xff };
- struct i2c_msg msg[2];
- u8 rbuf[2];
- int ret;
-
- msg[0].addr = client->addr;
- msg[0].flags = 0;
- msg[0].len = 2;
- msg[0].buf = wbuf;
-
- msg[1].addr = client->addr;
- msg[1].flags = I2C_M_RD;
- msg[1].len = 2;
- msg[1].buf = rbuf;
-
- ret = i2c_transfer(client->adapter, msg, 2);
- *val = be16_to_cpu(*((__be16 *)rbuf));
-
- v4l2_dbg(4, debug, client, "i2c_read: 0x%04X : 0x%04x\n", addr, *val);
-
- return ret == 2 ? 0 : ret;
-}
-
-static int s5k4ecgx_i2c_write(struct i2c_client *client, u16 addr, u16 val)
-{
- u8 buf[4] = { addr >> 8, addr & 0xff, val >> 8, val & 0xff };
-
- int ret = i2c_master_send(client, buf, 4);
- v4l2_dbg(4, debug, client, "i2c_write: 0x%04x : 0x%04x\n", addr, val);
-
- return ret == 4 ? 0 : ret;
-}
-
-static int s5k4ecgx_write(struct i2c_client *client, u32 addr, u16 val)
-{
- u16 high = addr >> 16, low = addr & 0xffff;
- int ret;
-
- v4l2_dbg(3, debug, client, "write: 0x%08x : 0x%04x\n", addr, val);
-
- ret = s5k4ecgx_i2c_write(client, REG_CMDWR_ADDRH, high);
- if (!ret)
- ret = s5k4ecgx_i2c_write(client, REG_CMDWR_ADDRL, low);
- if (!ret)
- ret = s5k4ecgx_i2c_write(client, REG_CMDBUF0_ADDR, val);
-
- return ret;
-}
-
-static int s5k4ecgx_read(struct i2c_client *client, u32 addr, u16 *val)
-{
- u16 high = addr >> 16, low = addr & 0xffff;
- int ret;
-
- ret = s5k4ecgx_i2c_write(client, REG_CMDRD_ADDRH, high);
- if (!ret)
- ret = s5k4ecgx_i2c_write(client, REG_CMDRD_ADDRL, low);
- if (!ret)
- ret = s5k4ecgx_i2c_read(client, REG_CMDBUF0_ADDR, val);
-
- return ret;
-}
-
-static int s5k4ecgx_read_fw_ver(struct v4l2_subdev *sd)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- u16 hw_rev, fw_ver = 0;
- int ret;
-
- ret = s5k4ecgx_read(client, REG_FW_VERSION, &fw_ver);
- if (ret < 0 || fw_ver != S5K4ECGX_FW_VERSION) {
- v4l2_err(sd, "FW version check failed!\n");
- return -ENODEV;
- }
-
- ret = s5k4ecgx_read(client, REG_FW_REVISION, &hw_rev);
- if (ret < 0)
- return ret;
-
- v4l2_info(sd, "chip found FW ver: 0x%x, HW rev: 0x%x\n",
- fw_ver, hw_rev);
- return 0;
-}
-
-static int s5k4ecgx_set_ahb_address(struct v4l2_subdev *sd)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- int ret;
-
- /* Set APB peripherals start address */
- ret = s5k4ecgx_i2c_write(client, AHB_MSB_ADDR_PTR, GEN_REG_OFFSH);
- if (ret < 0)
- return ret;
- /*
- * FIXME: This is copied from s5k6aa, because of no information
- * in s5k4ecgx's datasheet.
- * sw_reset is activated to put device into idle status
- */
- ret = s5k4ecgx_i2c_write(client, 0x0010, 0x0001);
- if (ret < 0)
- return ret;
-
- ret = s5k4ecgx_i2c_write(client, 0x1030, 0x0000);
- if (ret < 0)
- return ret;
- /* Halt ARM CPU */
- return s5k4ecgx_i2c_write(client, 0x0014, 0x0001);
-}
-
-#define FW_CRC_SIZE 4
-/* Register address, value are 4, 2 bytes */
-#define FW_RECORD_SIZE 6
-/*
- * The firmware has following format:
- * < total number of records (4 bytes + 2 bytes padding) N >,
- * < record 0 >, ..., < record N - 1 >, < CRC32-CCITT (4-bytes) >,
- * where "record" is a 4-byte register address followed by 2-byte
- * register value (little endian).
- * The firmware generator can be found in following git repository:
- * git://git.linaro.org/people/sangwook/fimc-v4l2-app.git
- */
-static int s5k4ecgx_load_firmware(struct v4l2_subdev *sd)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- const struct firmware *fw;
- const u8 *ptr;
- int err, i, regs_num;
- u32 addr, crc, crc_file, addr_inc = 0;
- u16 val;
-
- err = request_firmware(&fw, S5K4ECGX_FIRMWARE, sd->v4l2_dev->dev);
- if (err) {
- v4l2_err(sd, "Failed to read firmware %s\n", S5K4ECGX_FIRMWARE);
- return err;
- }
- regs_num = get_unaligned_le32(fw->data);
-
- v4l2_dbg(3, debug, sd, "FW: %s size %zu register sets %d\n",
- S5K4ECGX_FIRMWARE, fw->size, regs_num);
-
- regs_num++; /* Add header */
- if (fw->size != regs_num * FW_RECORD_SIZE + FW_CRC_SIZE) {
- err = -EINVAL;
- goto fw_out;
- }
- crc_file = get_unaligned_le32(fw->data + regs_num * FW_RECORD_SIZE);
- crc = crc32_le(~0, fw->data, regs_num * FW_RECORD_SIZE);
- if (crc != crc_file) {
- v4l2_err(sd, "FW: invalid crc (%#x:%#x)\n", crc, crc_file);
- err = -EINVAL;
- goto fw_out;
- }
- ptr = fw->data + FW_RECORD_SIZE;
- for (i = 1; i < regs_num; i++) {
- addr = get_unaligned_le32(ptr);
- ptr += sizeof(u32);
- val = get_unaligned_le16(ptr);
- ptr += sizeof(u16);
- if (addr - addr_inc != 2)
- err = s5k4ecgx_write(client, addr, val);
- else
- err = s5k4ecgx_i2c_write(client, REG_CMDBUF0_ADDR, val);
- if (err)
- break;
- addr_inc = addr;
- }
-fw_out:
- release_firmware(fw);
- return err;
-}
-
-/* Set preview and capture input window */
-static int s5k4ecgx_set_input_window(struct i2c_client *c,
- const struct v4l2_rect *r)
-{
- int ret;
-
- ret = s5k4ecgx_write(c, REG_G_PREV_IN_WIDTH, r->width);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_PREV_IN_HEIGHT, r->height);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_PREV_IN_XOFFS, r->left);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_PREV_IN_YOFFS, r->top);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_CAP_IN_WIDTH, r->width);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_CAP_IN_HEIGHT, r->height);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_CAP_IN_XOFFS, r->left);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_CAP_IN_YOFFS, r->top);
-
- return ret;
-}
-
-/* Set preview and capture zoom input window */
-static int s5k4ecgx_set_zoom_window(struct i2c_client *c,
- const struct v4l2_rect *r)
-{
- int ret;
-
- ret = s5k4ecgx_write(c, REG_G_PREVZOOM_IN_WIDTH, r->width);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_PREVZOOM_IN_HEIGHT, r->height);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_PREVZOOM_IN_XOFFS, r->left);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_PREVZOOM_IN_YOFFS, r->top);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_CAPZOOM_IN_WIDTH, r->width);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_CAPZOOM_IN_HEIGHT, r->height);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_CAPZOOM_IN_XOFFS, r->left);
- if (!ret)
- ret = s5k4ecgx_write(c, REG_G_CAPZOOM_IN_YOFFS, r->top);
-
- return ret;
-}
-
-static int s5k4ecgx_set_output_framefmt(struct s5k4ecgx *priv)
-{
- struct i2c_client *client = v4l2_get_subdevdata(&priv->sd);
- int ret;
-
- ret = s5k4ecgx_write(client, REG_P_OUT_WIDTH(0),
- priv->curr_frmsize->size.width);
- if (!ret)
- ret = s5k4ecgx_write(client, REG_P_OUT_HEIGHT(0),
- priv->curr_frmsize->size.height);
- if (!ret)
- ret = s5k4ecgx_write(client, REG_P_FMT(0),
- priv->curr_pixfmt->reg_p_format);
- return ret;
-}
-
-static int s5k4ecgx_init_sensor(struct v4l2_subdev *sd)
-{
- int ret;
-
- ret = s5k4ecgx_set_ahb_address(sd);
-
- /* The delay is from manufacturer's settings */
- msleep(100);
-
- if (!ret)
- ret = s5k4ecgx_load_firmware(sd);
- if (ret)
- v4l2_err(sd, "Failed to write initial settings\n");
-
- return ret;
-}
-
-static int __s5k4ecgx_power_on(struct s5k4ecgx *priv)
-{
- int ret;
-
- ret = regulator_bulk_enable(S5K4ECGX_NUM_SUPPLIES, priv->supplies);
- if (ret)
- return ret;
- usleep_range(30, 50);
-
- gpiod_set_value(priv->stby, 0);
- usleep_range(30, 50);
- gpiod_set_value(priv->reset, 0);
- usleep_range(30, 50);
-
- return 0;
-}
-
-static int __s5k4ecgx_power_off(struct s5k4ecgx *priv)
-{
- gpiod_set_value(priv->reset, 1);
- usleep_range(30, 50);
- gpiod_set_value(priv->stby, 1);
- usleep_range(30, 50);
-
- priv->streaming = 0;
-
- return regulator_bulk_disable(S5K4ECGX_NUM_SUPPLIES, priv->supplies);
-}
-
-/* Find nearest matching image pixel size. */
-static int s5k4ecgx_try_frame_size(struct v4l2_mbus_framefmt *mf,
- const struct s5k4ecgx_frmsize **size)
-{
- unsigned int min_err = ~0;
- int i = ARRAY_SIZE(s5k4ecgx_prev_sizes);
- const struct s5k4ecgx_frmsize *fsize = &s5k4ecgx_prev_sizes[0],
- *match = NULL;
-
- while (i--) {
- int err = abs(fsize->size.width - mf->width)
- + abs(fsize->size.height - mf->height);
- if (err < min_err) {
- min_err = err;
- match = fsize;
- }
- fsize++;
- }
- if (match) {
- mf->width = match->size.width;
- mf->height = match->size.height;
- if (size)
- *size = match;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static int s5k4ecgx_enum_mbus_code(struct v4l2_subdev *sd,
- struct v4l2_subdev_state *sd_state,
- struct v4l2_subdev_mbus_code_enum *code)
-{
- if (code->index >= ARRAY_SIZE(s5k4ecgx_formats))
- return -EINVAL;
- code->code = s5k4ecgx_formats[code->index].code;
-
- return 0;
-}
-
-static int s5k4ecgx_get_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_state *sd_state,
- struct v4l2_subdev_format *fmt)
-{
- struct s5k4ecgx *priv = to_s5k4ecgx(sd);
- struct v4l2_mbus_framefmt *mf;
-
- if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
- if (sd_state) {
- mf = v4l2_subdev_get_try_format(sd, sd_state, 0);
- fmt->format = *mf;
- }
- return 0;
- }
-
- mf = &fmt->format;
-
- mutex_lock(&priv->lock);
- mf->width = priv->curr_frmsize->size.width;
- mf->height = priv->curr_frmsize->size.height;
- mf->code = priv->curr_pixfmt->code;
- mf->colorspace = priv->curr_pixfmt->colorspace;
- mf->field = V4L2_FIELD_NONE;
- mutex_unlock(&priv->lock);
-
- return 0;
-}
-
-static const struct s5k4ecgx_pixfmt *s5k4ecgx_try_fmt(struct v4l2_subdev *sd,
- struct v4l2_mbus_framefmt *mf)
-{
- int i = ARRAY_SIZE(s5k4ecgx_formats);
-
- while (--i)
- if (mf->code == s5k4ecgx_formats[i].code)
- break;
- mf->code = s5k4ecgx_formats[i].code;
-
- return &s5k4ecgx_formats[i];
-}
-
-static int s5k4ecgx_set_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_state *sd_state,
- struct v4l2_subdev_format *fmt)
-{
- struct s5k4ecgx *priv = to_s5k4ecgx(sd);
- const struct s5k4ecgx_frmsize *fsize = NULL;
- const struct s5k4ecgx_pixfmt *pf;
- struct v4l2_mbus_framefmt *mf;
- int ret = 0;
-
- pf = s5k4ecgx_try_fmt(sd, &fmt->format);
- s5k4ecgx_try_frame_size(&fmt->format, &fsize);
- fmt->format.colorspace = V4L2_COLORSPACE_JPEG;
- fmt->format.field = V4L2_FIELD_NONE;
-
- if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
- if (sd_state) {
- mf = v4l2_subdev_get_try_format(sd, sd_state, 0);
- *mf = fmt->format;
- }
- return 0;
- }
-
- mutex_lock(&priv->lock);
- if (!priv->streaming) {
- priv->curr_frmsize = fsize;
- priv->curr_pixfmt = pf;
- priv->set_params = 1;
- } else {
- ret = -EBUSY;
- }
- mutex_unlock(&priv->lock);
-
- return ret;
-}
-
-static const struct v4l2_subdev_pad_ops s5k4ecgx_pad_ops = {
- .enum_mbus_code = s5k4ecgx_enum_mbus_code,
- .get_fmt = s5k4ecgx_get_fmt,
- .set_fmt = s5k4ecgx_set_fmt,
-};
-
-/*
- * V4L2 subdev controls
- */
-static int s5k4ecgx_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct v4l2_subdev *sd = &container_of(ctrl->handler, struct s5k4ecgx,
- handler)->sd;
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct s5k4ecgx *priv = to_s5k4ecgx(sd);
- unsigned int i;
- int err = 0;
-
- v4l2_dbg(1, debug, sd, "ctrl: 0x%x, value: %d\n", ctrl->id, ctrl->val);
-
- mutex_lock(&priv->lock);
- switch (ctrl->id) {
- case V4L2_CID_CONTRAST:
- err = s5k4ecgx_write(client, REG_USER_CONTRAST, ctrl->val);
- break;
-
- case V4L2_CID_SATURATION:
- err = s5k4ecgx_write(client, REG_USER_SATURATION, ctrl->val);
- break;
-
- case V4L2_CID_SHARPNESS:
- /* TODO: Revisit, is this setting for all presets ? */
- for (i = 0; i < 4 && !err; i++)
- err = s5k4ecgx_write(client, REG_USER_SHARPNESS(i),
- ctrl->val * SHARPNESS_DIV);
- break;
-
- case V4L2_CID_BRIGHTNESS:
- err = s5k4ecgx_write(client, REG_USER_BRIGHTNESS, ctrl->val);
- break;
- }
- mutex_unlock(&priv->lock);
- if (err < 0)
- v4l2_err(sd, "Failed to write s_ctrl err %d\n", err);
-
- return err;
-}
-
-static const struct v4l2_ctrl_ops s5k4ecgx_ctrl_ops = {
- .s_ctrl = s5k4ecgx_s_ctrl,
-};
-
-/*
- * Reading s5k4ecgx version information
- */
-static int s5k4ecgx_registered(struct v4l2_subdev *sd)
-{
- int ret;
- struct s5k4ecgx *priv = to_s5k4ecgx(sd);
-
- mutex_lock(&priv->lock);
- ret = __s5k4ecgx_power_on(priv);
- if (!ret) {
- ret = s5k4ecgx_read_fw_ver(sd);
- __s5k4ecgx_power_off(priv);
- }
- mutex_unlock(&priv->lock);
-
- return ret;
-}
-
-/*
- * V4L2 subdev internal operations
- */
-static int s5k4ecgx_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
-{
- struct v4l2_mbus_framefmt *mf = v4l2_subdev_get_try_format(sd,
- fh->state,
- 0);
-
- mf->width = s5k4ecgx_prev_sizes[0].size.width;
- mf->height = s5k4ecgx_prev_sizes[0].size.height;
- mf->code = s5k4ecgx_formats[0].code;
- mf->colorspace = V4L2_COLORSPACE_JPEG;
- mf->field = V4L2_FIELD_NONE;
-
- return 0;
-}
-
-static const struct v4l2_subdev_internal_ops s5k4ecgx_subdev_internal_ops = {
- .registered = s5k4ecgx_registered,
- .open = s5k4ecgx_open,
-};
-
-static int s5k4ecgx_s_power(struct v4l2_subdev *sd, int on)
-{
- struct s5k4ecgx *priv = to_s5k4ecgx(sd);
- int ret;
-
- v4l2_dbg(1, debug, sd, "Switching %s\n", on ? "on" : "off");
-
- if (on) {
- ret = __s5k4ecgx_power_on(priv);
- if (ret < 0)
- return ret;
- /* Time to stabilize sensor */
- msleep(100);
- ret = s5k4ecgx_init_sensor(sd);
- if (ret < 0)
- __s5k4ecgx_power_off(priv);
- else
- priv->set_params = 1;
- } else {
- ret = __s5k4ecgx_power_off(priv);
- }
-
- return ret;
-}
-
-static int s5k4ecgx_log_status(struct v4l2_subdev *sd)
-{
- v4l2_ctrl_handler_log_status(sd->ctrl_handler, sd->name);
-
- return 0;
-}
-
-static const struct v4l2_subdev_core_ops s5k4ecgx_core_ops = {
- .s_power = s5k4ecgx_s_power,
- .log_status = s5k4ecgx_log_status,
-};
-
-static int __s5k4ecgx_s_params(struct s5k4ecgx *priv)
-{
- struct i2c_client *client = v4l2_get_subdevdata(&priv->sd);
- const struct v4l2_rect *crop_rect = &priv->curr_frmsize->input_window;
- int ret;
-
- ret = s5k4ecgx_set_input_window(client, crop_rect);
- if (!ret)
- ret = s5k4ecgx_set_zoom_window(client, crop_rect);
- if (!ret)
- ret = s5k4ecgx_write(client, REG_G_INPUTS_CHANGE_REQ, 1);
- if (!ret)
- ret = s5k4ecgx_write(client, 0x70000a1e, 0x28);
- if (!ret)
- ret = s5k4ecgx_write(client, 0x70000ad4, 0x3c);
- if (!ret)
- ret = s5k4ecgx_set_output_framefmt(priv);
- if (!ret)
- ret = s5k4ecgx_write(client, REG_P_PVI_MASK(0), 0x52);
- if (!ret)
- ret = s5k4ecgx_write(client, REG_P_FR_TIME_TYPE(0),
- FR_TIME_DYNAMIC);
- if (!ret)
- ret = s5k4ecgx_write(client, REG_P_FR_TIME_Q_TYPE(0),
- FR_TIME_Q_BEST_FRRATE);
- if (!ret)
- ret = s5k4ecgx_write(client, REG_P_MIN_FR_TIME(0),
- US_TO_FR_TIME(33300));
- if (!ret)
- ret = s5k4ecgx_write(client, REG_P_MAX_FR_TIME(0),
- US_TO_FR_TIME(66600));
- if (!ret)
- ret = s5k4ecgx_write(client, REG_P_PREV_MIRROR(0), 0);
- if (!ret)
- ret = s5k4ecgx_write(client, REG_P_CAP_MIRROR(0), 0);
- if (!ret)
- ret = s5k4ecgx_write(client, REG_G_ACTIVE_PREV_CFG, 0);
- if (!ret)
- ret = s5k4ecgx_write(client, REG_G_PREV_OPEN_AFTER_CH, 1);
- if (!ret)
- ret = s5k4ecgx_write(client, REG_G_NEW_CFG_SYNC, 1);
- if (!ret)
- ret = s5k4ecgx_write(client, REG_G_PREV_CFG_CHG, 1);
-
- return ret;
-}
-
-static int __s5k4ecgx_s_stream(struct s5k4ecgx *priv, int on)
-{
- struct i2c_client *client = v4l2_get_subdevdata(&priv->sd);
- int ret;
-
- if (on && priv->set_params) {
- ret = __s5k4ecgx_s_params(priv);
- if (ret < 0)
- return ret;
- priv->set_params = 0;
- }
- /*
- * This enables/disables preview stream only. Capture requests
- * are not supported yet.
- */
- ret = s5k4ecgx_write(client, REG_G_ENABLE_PREV, on);
- if (ret < 0)
- return ret;
- return s5k4ecgx_write(client, REG_G_ENABLE_PREV_CHG, 1);
-}
-
-static int s5k4ecgx_s_stream(struct v4l2_subdev *sd, int on)
-{
- struct s5k4ecgx *priv = to_s5k4ecgx(sd);
- int ret = 0;
-
- v4l2_dbg(1, debug, sd, "Turn streaming %s\n", on ? "on" : "off");
-
- mutex_lock(&priv->lock);
-
- if (priv->streaming == !on) {
- ret = __s5k4ecgx_s_stream(priv, on);
- if (!ret)
- priv->streaming = on & 1;
- }
-
- mutex_unlock(&priv->lock);
- return ret;
-}
-
-static const struct v4l2_subdev_video_ops s5k4ecgx_video_ops = {
- .s_stream = s5k4ecgx_s_stream,
-};
-
-static const struct v4l2_subdev_ops s5k4ecgx_ops = {
- .core = &s5k4ecgx_core_ops,
- .pad = &s5k4ecgx_pad_ops,
- .video = &s5k4ecgx_video_ops,
-};
-
-static int s5k4ecgx_init_v4l2_ctrls(struct s5k4ecgx *priv)
-{
- const struct v4l2_ctrl_ops *ops = &s5k4ecgx_ctrl_ops;
- struct v4l2_ctrl_handler *hdl = &priv->handler;
- int ret;
-
- ret = v4l2_ctrl_handler_init(hdl, 4);
- if (ret)
- return ret;
-
- v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BRIGHTNESS, -208, 127, 1, 0);
- v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, -127, 127, 1, 0);
- v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, -127, 127, 1, 0);
-
- /* Sharpness default is 24612, and then (24612/SHARPNESS_DIV) = 2 */
- v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SHARPNESS, -32704/SHARPNESS_DIV,
- 24612/SHARPNESS_DIV, 1, 2);
- if (hdl->error) {
- ret = hdl->error;
- v4l2_ctrl_handler_free(hdl);
- return ret;
- }
- priv->sd.ctrl_handler = hdl;
-
- return 0;
-};
-
-static int s5k4ecgx_probe(struct i2c_client *client)
-{
- struct s5k4ecgx_platform_data *pdata = client->dev.platform_data;
- struct v4l2_subdev *sd;
- struct s5k4ecgx *priv;
- int ret, i;
-
- if (pdata == NULL) {
- dev_err(&client->dev, "platform data is missing!\n");
- return -EINVAL;
- }
-
- priv = devm_kzalloc(&client->dev, sizeof(struct s5k4ecgx), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
-
- mutex_init(&priv->lock);
- priv->streaming = 0;
-
- sd = &priv->sd;
- /* Registering subdev */
- v4l2_i2c_subdev_init(sd, client, &s5k4ecgx_ops);
- /* Static name; NEVER use in new drivers! */
- strscpy(sd->name, S5K4ECGX_DRIVER_NAME, sizeof(sd->name));
-
- sd->internal_ops = &s5k4ecgx_subdev_internal_ops;
- /* Support v4l2 sub-device user space API */
- sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
-
- priv->pad.flags = MEDIA_PAD_FL_SOURCE;
- sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
- ret = media_entity_pads_init(&sd->entity, 1, &priv->pad);
- if (ret)
- return ret;
-
- priv->stby = devm_gpiod_get(&client->dev, "standby", GPIOD_OUT_HIGH);
- if (IS_ERR(priv->stby))
- dev_err_probe(&client->dev, PTR_ERR(priv->stby),
- "failed to request gpio S5K4ECGX_STBY\n");
- gpiod_set_consumer_name(priv->stby, "S5K4ECGX_STBY");
- priv->reset = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_HIGH);
- if (IS_ERR(priv->reset))
- dev_err_probe(&client->dev, PTR_ERR(priv->reset),
- "failed to request gpio S5K4ECGX_RST\n");
- gpiod_set_consumer_name(priv->reset, "S5K4ECGX_RST");
-
- for (i = 0; i < S5K4ECGX_NUM_SUPPLIES; i++)
- priv->supplies[i].supply = s5k4ecgx_supply_names[i];
-
- ret = devm_regulator_bulk_get(&client->dev, S5K4ECGX_NUM_SUPPLIES,
- priv->supplies);
- if (ret) {
- dev_err(&client->dev, "Failed to get regulators\n");
- goto out_err;
- }
- ret = s5k4ecgx_init_v4l2_ctrls(priv);
- if (ret)
- goto out_err;
-
- priv->curr_pixfmt = &s5k4ecgx_formats[0];
- priv->curr_frmsize = &s5k4ecgx_prev_sizes[0];
-
- return 0;
-
-out_err:
- media_entity_cleanup(&priv->sd.entity);
-
- return ret;
-}
-
-static void s5k4ecgx_remove(struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
- struct s5k4ecgx *priv = to_s5k4ecgx(sd);
-
- mutex_destroy(&priv->lock);
- v4l2_device_unregister_subdev(sd);
- v4l2_ctrl_handler_free(&priv->handler);
- media_entity_cleanup(&sd->entity);
-}
-
-static const struct i2c_device_id s5k4ecgx_id[] = {
- { S5K4ECGX_DRIVER_NAME, 0 },
- {}
-};
-MODULE_DEVICE_TABLE(i2c, s5k4ecgx_id);
-
-static struct i2c_driver v4l2_i2c_driver = {
- .driver = {
- .name = S5K4ECGX_DRIVER_NAME,
- },
- .probe_new = s5k4ecgx_probe,
- .remove = s5k4ecgx_remove,
- .id_table = s5k4ecgx_id,
-};
-
-module_i2c_driver(v4l2_i2c_driver);
-
-MODULE_DESCRIPTION("Samsung S5K4ECGX 5MP SOC camera");
-MODULE_AUTHOR("Sangwook Lee <sangwook.lee@linaro.org>");
-MODULE_AUTHOR("Seok-Young Jang <quartz.jang@samsung.com>");
-MODULE_LICENSE("GPL");
-MODULE_FIRMWARE(S5K4ECGX_FIRMWARE);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 07:59:37 +0100