aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/m5mols/m5mols_core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/m5mols/m5mols_core.c')
-rw-r--r--drivers/media/video/m5mols/m5mols_core.c1729
1 files changed, 583 insertions, 1146 deletions
diff --git a/drivers/media/video/m5mols/m5mols_core.c b/drivers/media/video/m5mols/m5mols_core.c
index cf4c8ba..e0f09e5 100644
--- a/drivers/media/video/m5mols/m5mols_core.c
+++ b/drivers/media/video/m5mols/m5mols_core.c
@@ -1,5 +1,5 @@
/*
- * Driver for M5MOLS 8M Pixel camera sensor with ISP
+ * Driver for M-5MOLS 8M Pixel camera sensor with ISP
*
* Copyright (C) 2011 Samsung Electronics Co., Ltd.
* Author: HeungJun Kim <riverful.kim@samsung.com>
@@ -18,11 +18,10 @@
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
-#include <linux/version.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/videodev2.h>
-#include <linux/videodev2_exynos_media.h>
+#include <linux/module.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
@@ -34,66 +33,35 @@
int m5mols_debug;
module_param(m5mols_debug, int, 0644);
-#define MOD_NAME "M5MOLS"
-#define M5MOLS_I2C_CHECK_RETRY 50
-#define DEBUG
-#define DEFAULT_SENSOR_WIDTH 800
-#define DEFAULT_SENSOR_HEIGHT 480
-
-#define m5_err \
- do { printk("%s : %d : ret : %d\n", __func__, __LINE__, ret);\
- } while(0)
-/* M5MOLS mode */
-static u8 m5mols_reg_mode[] = {
- [MODE_SYSINIT] = 0x00,
- [MODE_PARMSET] = 0x01,
- [MODE_MONITOR] = 0x02,
- [MODE_CAPTURE] = 0x03,
- [MODE_UNKNOWN] = 0xff,
-};
-
-/* M5MOLS status */
-static u8 m5mols_reg_status[] = {
- [STATUS_SYSINIT] = 0x00,
- [STATUS_PARMSET] = 0x01,
- [STATUS_MONITOR] = 0x02,
- [STATUS_AUTO_FOCUS] = 0x03,
- [STATUS_FACE_DETECTION] = 0x04,
- [STATUS_DUAL_CAPTURE] = 0x05,
- [STATUS_SINGLE_CAPTURE] = 0x06,
- [STATUS_PREVIEW] = 0x07,
- [STATUS_UNKNOWN] = 0xff,
-};
+#define MODULE_NAME "M5MOLS"
+#define M5MOLS_I2C_CHECK_RETRY 500
-/* M5MOLS regulator consumer names */
-/* The DEFAULT names of power are referenced with M5MO datasheet. */
+/* The regulator consumer names for external voltage regulators */
static struct regulator_bulk_data supplies[] = {
{
- /* core power - 1.2v, generally at the M5MOLS */
- .supply = "core",
+ .supply = "core", /* ARM core power, 1.2V */
}, {
- .supply = "dig_18", /* digital power 1 - 1.8v */
+ .supply = "dig_18", /* digital power 1, 1.8V */
}, {
- .supply = "d_sensor", /* sensor power 1 - 1.8v */
+ .supply = "d_sensor", /* sensor power 1, 1.8V */
}, {
- .supply = "dig_28", /* digital power 2 - 2.8v */
+ .supply = "dig_28", /* digital power 2, 2.8V */
}, {
- .supply = "a_sensor", /* analog power */
+ .supply = "a_sensor", /* analog power */
}, {
- .supply = "dig_12", /* digital power 3 - 1.2v */
+ .supply = "dig_12", /* digital power 3, 1.2V */
},
};
-/* M5MOLS default format (codes, sizes, preset values) */
-static struct v4l2_mbus_framefmt default_fmt[M5MOLS_RES_MAX] = {
- [M5MOLS_RES_MON] = {
- .width = DEFAULT_SENSOR_WIDTH,
- .height = DEFAULT_SENSOR_HEIGHT,
- .code = V4L2_MBUS_FMT_YUYV8_2X8,
+static struct v4l2_mbus_framefmt m5mols_default_ffmt[M5MOLS_RESTYPE_MAX] = {
+ [M5MOLS_RESTYPE_MONITOR] = {
+ .width = 1920,
+ .height = 1080,
+ .code = V4L2_MBUS_FMT_VYUY8_2X8,
.field = V4L2_FIELD_NONE,
.colorspace = V4L2_COLORSPACE_JPEG,
},
- [M5MOLS_RES_CAPTURE] = {
+ [M5MOLS_RESTYPE_CAPTURE] = {
.width = 1920,
.height = 1080,
.code = V4L2_MBUS_FMT_JPEG_1X8,
@@ -101,201 +69,189 @@ static struct v4l2_mbus_framefmt default_fmt[M5MOLS_RES_MAX] = {
.colorspace = V4L2_COLORSPACE_JPEG,
},
};
-
-#define SIZE_DEFAULT_FFMT ARRAY_SIZE(default_fmt)
-
-static const struct m5mols_format m5mols_formats[] = {
- [M5MOLS_RES_MON] = {
- .code = V4L2_MBUS_FMT_YUYV8_2X8,
- .colorspace = V4L2_COLORSPACE_JPEG,
- },
- [M5MOLS_RES_CAPTURE] = {
- .code = V4L2_MBUS_FMT_JPEG_1X8,
- .colorspace = V4L2_COLORSPACE_JPEG,
- },
-};
-
-static const struct m5mols_resolution m5mols_resolutions[] = {
- /* monitor size */
- { 0x01, M5MOLS_RES_MON, 128, 96 }, /* SUB-QCIF */
- { 0x03, M5MOLS_RES_MON, 160, 120 }, /* QQVGA */
- { 0x05, M5MOLS_RES_MON, 176, 144 }, /* QCIF */
- { 0x06, M5MOLS_RES_MON, 176, 176 }, /* 176*176 */
- { 0x08, M5MOLS_RES_MON, 240, 320 }, /* 1 QVGA */
- { 0x09, M5MOLS_RES_MON, 320, 240 }, /* QVGA */
- { 0x0c, M5MOLS_RES_MON, 240, 400 }, /* l WQVGA */
- { 0x0d, M5MOLS_RES_MON, 400, 240 }, /* WQVGA */
- { 0x0e, M5MOLS_RES_MON, 352, 288 }, /* CIF */
- { 0x13, M5MOLS_RES_MON, 480, 360 }, /* 480*360 */
- { 0x15, M5MOLS_RES_MON, 640, 360 }, /* qHD */
- { 0x17, M5MOLS_RES_MON, 640, 480 }, /* VGA */
- { 0x18, M5MOLS_RES_MON, 720, 480 }, /* 720x480 */
- { 0x1a, M5MOLS_RES_MON, 800, 480 }, /* WVGA */
- { 0x1f, M5MOLS_RES_MON, 800, 600 }, /* SVGA */
- { 0x21, M5MOLS_RES_MON, 1280, 720 }, /* HD */
- { 0x25, M5MOLS_RES_MON, 1920, 1080 }, /* 1080p */
- { 0x29, M5MOLS_RES_MON, 3264, 2448 }, /* 8M (2.63fps@3264*2448) */
- { 0x30, M5MOLS_RES_MON, 320, 240 }, /* 60fps for slow motion */
- { 0x31, M5MOLS_RES_MON, 320, 240 }, /* 120fps for slow motion */
- { 0x39, M5MOLS_RES_MON, 800, 602 }, /* AHS_MON debug */
-
- /* capture(JPEG or Bayer RAW or YUV Raw) size */
- { 0x02, M5MOLS_RES_CAPTURE, 320, 240 }, /* QVGA */
- { 0x04, M5MOLS_RES_CAPTURE, 400, 240 }, /* WQVGA */
- { 0x07, M5MOLS_RES_CAPTURE, 480, 360 }, /* 480 x 360 */
- { 0x08, M5MOLS_RES_CAPTURE, 640, 360 }, /* qHD */
- { 0x09, M5MOLS_RES_CAPTURE, 640, 480 }, /* VGA */
- { 0x0a, M5MOLS_RES_CAPTURE, 800, 480 }, /* WVGA */
- { 0x10, M5MOLS_RES_CAPTURE, 1280, 720 }, /* HD */
- { 0x14, M5MOLS_RES_CAPTURE, 1280, 960 }, /* 1M */
- { 0x17, M5MOLS_RES_CAPTURE, 1600, 1200 }, /* 2M */
- { 0x19, M5MOLS_RES_CAPTURE, 1920, 1080 }, /* Full-HD */
- { 0x1a, M5MOLS_RES_CAPTURE, 2048, 1152 }, /* 3M */
- { 0x1b, M5MOLS_RES_CAPTURE, 2048, 1536 }, /* 3M */
- { 0x1c, M5MOLS_RES_CAPTURE, 2560, 1440 }, /* 4M */
- { 0x1d, M5MOLS_RES_CAPTURE, 2560, 1536 }, /* 4M */
- { 0x1f, M5MOLS_RES_CAPTURE, 2560, 1920 }, /* 5M */
- { 0x21, M5MOLS_RES_CAPTURE, 3264, 1836 }, /* 6M */
- { 0x22, M5MOLS_RES_CAPTURE, 3264, 1960 }, /* 6M */
- { 0x25, M5MOLS_RES_CAPTURE, 3264, 2448 }, /* 8M */
-#ifdef M5MO_THUMB_SUPPORT
- /* capture thumb(JPEG) size */
- { 0x00, M5MOLS_RES_THUMB, 160, 90 }, /* 160 x 90 */
- { 0x02, M5MOLS_RES_THUMB, 160, 120 }, /* QQVGA */
- { 0x04, M5MOLS_RES_THUMB, 320, 240 }, /* QVGA */
- { 0x06, M5MOLS_RES_THUMB, 400, 240 }, /* WQVGA */
- { 0x09, M5MOLS_RES_THUMB, 480, 360 }, /* 480 x 360 */
- { 0x0a, M5MOLS_RES_THUMB, 640, 360 }, /* qHD */
- { 0x0b, M5MOLS_RES_THUMB, 640, 480 }, /* VGA */
- { 0x0c, M5MOLS_RES_THUMB, 800, 480 }, /* WVGA */
-#endif
-};
-
-/* M5MOLS default FPS */
-static const struct v4l2_fract default_fps = {
- .numerator = 1,
- .denominator = M5MOLS_FPS_AUTO,
+#define SIZE_DEFAULT_FFMT ARRAY_SIZE(m5mols_default_ffmt)
+
+static const struct m5mols_resolution m5mols_reg_res[] = {
+ { 0x01, M5MOLS_RESTYPE_MONITOR, 128, 96 }, /* SUB-QCIF */
+ { 0x03, M5MOLS_RESTYPE_MONITOR, 160, 120 }, /* QQVGA */
+ { 0x05, M5MOLS_RESTYPE_MONITOR, 176, 144 }, /* QCIF */
+ { 0x06, M5MOLS_RESTYPE_MONITOR, 176, 176 },
+ { 0x08, M5MOLS_RESTYPE_MONITOR, 240, 320 }, /* QVGA */
+ { 0x09, M5MOLS_RESTYPE_MONITOR, 320, 240 }, /* QVGA */
+ { 0x0c, M5MOLS_RESTYPE_MONITOR, 240, 400 }, /* WQVGA */
+ { 0x0d, M5MOLS_RESTYPE_MONITOR, 400, 240 }, /* WQVGA */
+ { 0x0e, M5MOLS_RESTYPE_MONITOR, 352, 288 }, /* CIF */
+ { 0x13, M5MOLS_RESTYPE_MONITOR, 480, 360 },
+ { 0x15, M5MOLS_RESTYPE_MONITOR, 640, 360 }, /* qHD */
+ { 0x17, M5MOLS_RESTYPE_MONITOR, 640, 480 }, /* VGA */
+ { 0x18, M5MOLS_RESTYPE_MONITOR, 720, 480 },
+ { 0x1a, M5MOLS_RESTYPE_MONITOR, 800, 480 }, /* WVGA */
+ { 0x1f, M5MOLS_RESTYPE_MONITOR, 800, 600 }, /* SVGA */
+ { 0x21, M5MOLS_RESTYPE_MONITOR, 1280, 720 }, /* HD */
+ { 0x25, M5MOLS_RESTYPE_MONITOR, 1920, 1080 }, /* 1080p */
+ { 0x29, M5MOLS_RESTYPE_MONITOR, 3264, 2448 }, /* 2.63fps 8M */
+ { 0x39, M5MOLS_RESTYPE_MONITOR, 800, 602 }, /* AHS_MON debug */
+
+ { 0x02, M5MOLS_RESTYPE_CAPTURE, 320, 240 }, /* QVGA */
+ { 0x04, M5MOLS_RESTYPE_CAPTURE, 400, 240 }, /* WQVGA */
+ { 0x07, M5MOLS_RESTYPE_CAPTURE, 480, 360 },
+ { 0x08, M5MOLS_RESTYPE_CAPTURE, 640, 360 }, /* qHD */
+ { 0x09, M5MOLS_RESTYPE_CAPTURE, 640, 480 }, /* VGA */
+ { 0x0a, M5MOLS_RESTYPE_CAPTURE, 800, 480 }, /* WVGA */
+ { 0x10, M5MOLS_RESTYPE_CAPTURE, 1280, 720 }, /* HD */
+ { 0x14, M5MOLS_RESTYPE_CAPTURE, 1280, 960 }, /* 1M */
+ { 0x17, M5MOLS_RESTYPE_CAPTURE, 1600, 1200 }, /* 2M */
+ { 0x19, M5MOLS_RESTYPE_CAPTURE, 1920, 1080 }, /* Full-HD */
+ { 0x1a, M5MOLS_RESTYPE_CAPTURE, 2048, 1152 }, /* 3Mega */
+ { 0x1b, M5MOLS_RESTYPE_CAPTURE, 2048, 1536 },
+ { 0x1c, M5MOLS_RESTYPE_CAPTURE, 2560, 1440 }, /* 4Mega */
+ { 0x1d, M5MOLS_RESTYPE_CAPTURE, 2560, 1536 },
+ { 0x1f, M5MOLS_RESTYPE_CAPTURE, 2560, 1920 }, /* 5Mega */
+ { 0x21, M5MOLS_RESTYPE_CAPTURE, 3264, 1836 }, /* 6Mega */
+ { 0x22, M5MOLS_RESTYPE_CAPTURE, 3264, 1960 },
+ { 0x25, M5MOLS_RESTYPE_CAPTURE, 3264, 2448 }, /* 8Mega */
};
-static u8 m5mols_reg_fps[] = {
- [M5MOLS_FPS_AUTO] = 0x01,
- [M5MOLS_FPS_10] = 0x05,
- [M5MOLS_FPS_12] = 0x04,
- [M5MOLS_FPS_15] = 0x03,
- [M5MOLS_FPS_20] = 0x08,
- [M5MOLS_FPS_21] = 0x09,
- [M5MOLS_FPS_22] = 0x0a,
- [M5MOLS_FPS_23] = 0x0b,
- [M5MOLS_FPS_24] = 0x07,
- [M5MOLS_FPS_30] = 0x02,
-};
-
-static u32 m5mols_swap_byte(u8 *data, enum m5mols_i2c_size size)
+/**
+ * m5mols_swap_byte - an byte array to integer conversion function
+ * @size: size in bytes of I2C packet defined in the M-5MOLS datasheet
+ *
+ * Convert I2C data byte array with performing any required byte
+ * reordering to assure proper values for each data type, regardless
+ * of the architecture endianness.
+ */
+static u32 m5mols_swap_byte(u8 *data, u8 length)
{
- if (size == I2C_8BIT)
+ if (length == 1)
return *data;
- else if (size == I2C_16BIT)
+ else if (length == 2)
return be16_to_cpu(*((u16 *)data));
else
return be32_to_cpu(*((u32 *)data));
}
-/*
- * m5mols_read_reg/m5mols_write_reg - handle sensor's I2C communications.
- *
- * The I2C command packet of M5MOLS is made up 3 kinds of I2C bytes(category,
- * command, bytes). Reference m5mols.h.
- *
- * The packet is needed 2, when M5MOLS is read through I2C.
- * The packet is needed 1, when M5MOLS is written through I2C.
- *
- * I2C packet common order(including both reading/writing)
- * 1st : size (data size + 4)
- * 2nd : READ/WRITE (R - 0x01, W - 0x02)
- * 3rd : Category
- * 4th : Command
- *
- * I2C packet order for READING operation
- * 5th : data real size for reading
- * And, read another I2C packet again, until data size.
- *
- * I2C packet order for WRITING operation
- * 5th to 8th: an actual data to write
+/**
+ * m5mols_read - I2C read function
+ * @reg: combination of size, category and command for the I2C packet
+ * @size: desired size of I2C packet
+ * @val: read value
*/
-
-#define M5MOLS_BYTE_READ 0x01
-#define M5MOLS_BYTE_WRITE 0x02
-
-int m5mols_read_reg(struct v4l2_subdev *sd,
- enum m5mols_i2c_size size,
- u8 category, u8 cmd, u32 *val)
+static int m5mols_read(struct v4l2_subdev *sd, u32 size, u32 reg, u32 *val)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u8 rbuf[M5MOLS_I2C_MAX_SIZE + 1];
+ u8 category = I2C_CATEGORY(reg);
+ u8 cmd = I2C_COMMAND(reg);
struct i2c_msg msg[2];
- u8 wbuf[5], rbuf[I2C_MAX + 1];
+ u8 wbuf[5];
int ret;
if (!client->adapter)
return -ENODEV;
- if (size != I2C_8BIT && size != I2C_16BIT && size != I2C_32BIT)
- return -EINVAL;
-
- /* 1st I2C operation for writing category & command. */
msg[0].addr = client->addr;
msg[0].flags = 0;
- msg[0].len = 5; /* 1(cmd size per bytes) + 4 */
+ msg[0].len = 5;
msg[0].buf = wbuf;
- wbuf[0] = 5; /* same right above this */
+ wbuf[0] = 5;
wbuf[1] = M5MOLS_BYTE_READ;
wbuf[2] = category;
wbuf[3] = cmd;
wbuf[4] = size;
- /* 2nd I2C operation for reading data. */
msg[1].addr = client->addr;
msg[1].flags = I2C_M_RD;
msg[1].len = size + 1;
msg[1].buf = rbuf;
+ /* minimum stabilization time */
+ usleep_range(200, 200);
+
ret = i2c_transfer(client->adapter, msg, 2);
if (ret < 0) {
- m5_err;
- dev_err(&client->dev, "failed READ[%d] at "
- "cat[%02x] cmd[%02x]\n",
- size, category, cmd);
+ v4l2_err(sd, "read failed: size:%d cat:%02x cmd:%02x. %d\n",
+ size, category, cmd, ret);
return ret;
}
*val = m5mols_swap_byte(&rbuf[1], size);
- usleep_range(15000, 20000); /* must be for stabilization */
-
return 0;
}
-int m5mols_write_reg(struct v4l2_subdev *sd,
- enum m5mols_i2c_size size,
- u8 category, u8 cmd, u32 val)
+int m5mols_read_u8(struct v4l2_subdev *sd, u32 reg, u8 *val)
+{
+ u32 val_32;
+ int ret;
+
+ if (I2C_SIZE(reg) != 1) {
+ v4l2_err(sd, "Wrong data size\n");
+ return -EINVAL;
+ }
+
+ ret = m5mols_read(sd, I2C_SIZE(reg), reg, &val_32);
+ if (ret)
+ return ret;
+
+ *val = (u8)val_32;
+ return ret;
+}
+
+int m5mols_read_u16(struct v4l2_subdev *sd, u32 reg, u16 *val)
+{
+ u32 val_32;
+ int ret;
+
+ if (I2C_SIZE(reg) != 2) {
+ v4l2_err(sd, "Wrong data size\n");
+ return -EINVAL;
+ }
+
+ ret = m5mols_read(sd, I2C_SIZE(reg), reg, &val_32);
+ if (ret)
+ return ret;
+
+ *val = (u16)val_32;
+ return ret;
+}
+
+int m5mols_read_u32(struct v4l2_subdev *sd, u32 reg, u32 *val)
+{
+ if (I2C_SIZE(reg) != 4) {
+ v4l2_err(sd, "Wrong data size\n");
+ return -EINVAL;
+ }
+
+ return m5mols_read(sd, I2C_SIZE(reg), reg, val);
+}
+
+/**
+ * m5mols_write - I2C command write function
+ * @reg: combination of size, category and command for the I2C packet
+ * @val: value to write
+ */
+int m5mols_write(struct v4l2_subdev *sd, u32 reg, u32 val)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct device *cdev = &client->dev;
- struct i2c_msg msg[1];
- u8 wbuf[I2C_MAX + 4];
+ u8 wbuf[M5MOLS_I2C_MAX_SIZE + 4];
+ u8 category = I2C_CATEGORY(reg);
+ u8 cmd = I2C_COMMAND(reg);
+ u8 size = I2C_SIZE(reg);
u32 *buf = (u32 *)&wbuf[4];
+ struct i2c_msg msg[1];
int ret;
if (!client->adapter)
return -ENODEV;
- if (size != I2C_8BIT && size != I2C_16BIT && size != I2C_32BIT) {
- dev_err(cdev, "Wrong data size\n");
+ if (size != 1 && size != 2 && size != 4) {
+ v4l2_err(sd, "Wrong data size\n");
return -EINVAL;
}
msg->addr = client->addr;
msg->flags = 0;
- msg->len = size + 4;
+ msg->len = (u16)size + 4;
msg->buf = wbuf;
wbuf[0] = size + 4;
wbuf[1] = M5MOLS_BYTE_WRITE;
@@ -304,925 +260,547 @@ int m5mols_write_reg(struct v4l2_subdev *sd,
*buf = m5mols_swap_byte((u8 *)&val, size);
+ usleep_range(200, 200);
+
ret = i2c_transfer(client->adapter, msg, 1);
if (ret < 0) {
- m5_err;
- dev_err(&client->dev, "failed WRITE[%d] at "
- "cat[%02x] cmd[%02x], ret %d\n",
- size, msg->buf[2], msg->buf[3], ret);
+ v4l2_err(sd, "write failed: size:%d cat:%02x cmd:%02x. %d\n",
+ size, category, cmd, ret);
return ret;
}
- usleep_range(15000, 20000); /* must be for stabilization */
-
return 0;
}
-int m5mols_check_busy(struct v4l2_subdev *sd, u8 category, u8 cmd, u32 value)
+int m5mols_busy(struct v4l2_subdev *sd, u8 category, u8 cmd, u8 mask)
{
- u32 busy, i;
+ u8 busy;
+ int i;
int ret;
for (i = 0; i < M5MOLS_I2C_CHECK_RETRY; i++) {
- ret = m5mols_read_reg(sd, I2C_8BIT, category, cmd, &busy);
+ ret = m5mols_read_u8(sd, I2C_REG(category, cmd, 1), &busy);
if (ret < 0)
return ret;
-
- if (busy == value) /* bingo */
+ if ((busy & mask) == mask)
return 0;
-
- /* must be for stabilization */
- usleep_range(10000, 10000);
}
return -EBUSY;
}
-/*
- * m5mols_set_mode - change and set mode of M5MOLS.
+/**
+ * m5mols_enable_interrupt - Clear interrupt pending bits and unmask interrupts
*
- * This driver supports now only 3 modes(System, Monitor, Parameter).
+ * Before writing desired interrupt value the INT_FACTOR register should
+ * be read to clear pending interrupts.
*/
-int m5mols_set_mode(struct v4l2_subdev *sd, enum m5mols_mode mode)
+int m5mols_enable_interrupt(struct v4l2_subdev *sd, u8 reg)
{
struct m5mols_info *info = to_m5mols(sd);
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct device *cdev = &client->dev;
- const char *m5mols_str_mode[] = {
- "System initialization",
- "Parameter setting",
- "Monitor setting",
- "Capture setting",
- "Unknown",
- };
- int ret = 0;
-
- if (mode < MODE_SYSINIT || mode > MODE_UNKNOWN)
- return -EINVAL;
-
- ret = i2c_w8_system(sd, CAT0_SYSMODE, m5mols_reg_mode[mode]);
- if (!ret) {
- /* bug detect, capture status is not 0x3 but 0x6 */
- if (mode == MODE_CAPTURE)
- mode = STATUS_SINGLE_CAPTURE;
- ret = m5mols_check_busy(sd, CAT_SYSTEM, CAT0_STATUS,
- m5mols_reg_status[mode]);
- if (ret)
- m5_err;
- }
- if (ret < 0)
- return ret;
-
- info->mode = m5mols_reg_mode[mode];
- dev_dbg(cdev, " mode: %s\n", m5mols_str_mode[mode]);
+ u8 mask = is_available_af(info) ? REG_INT_AF : 0;
+ u8 dummy;
+ int ret;
+ ret = m5mols_read_u8(sd, SYSTEM_INT_FACTOR, &dummy);
+ if (!ret)
+ ret = m5mols_write(sd, SYSTEM_INT_ENABLE, reg & ~mask);
return ret;
}
-/*
- * m5mols_get_status - get status of M5MOLS.
+/**
+ * m5mols_reg_mode - Write the mode and check busy status
+ *
+ * It always accompanies a little delay changing the M-5MOLS mode, so it is
+ * needed checking current busy status to guarantee right mode.
*/
-enum m5mols_status m5mols_get_status(struct v4l2_subdev *sd)
+static int m5mols_reg_mode(struct v4l2_subdev *sd, u8 mode)
{
- struct m5mols_info *info = to_m5mols(sd);
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct device *cdev = &client->dev;
- const char *m5mols_str_status[] = {
- "System initialization",
- "Parameter setting",
- "Monitor setting",
- "Auto Focus",
- "Face Detection",
- "Multi/Dual Capture",
- "Single Capture",
- "Preview (Data transfer)", /* It means recording, not preview. */
- "Unknown",
- };
- u32 reg;
- int ret = 0;
+ int ret = m5mols_write(sd, SYSTEM_SYSMODE, mode);
- ret = i2c_r8_system(sd, CAT0_STATUS, &reg);
- if (ret)
- return ret;
-
- if (reg < STATUS_SYSINIT || reg >= STATUS_UNKNOWN)
- return -EINVAL;
-
- info->status = m5mols_reg_status[reg];
- dev_dbg(cdev, " status: %s\n", m5mols_str_status[reg]);
-
- return ret;
+ return ret ? ret : m5mols_busy(sd, CAT_SYSTEM, CAT0_SYSMODE, mode);
}
-/*
- * get_version - get M5MOLS sensor versions.
+/**
+ * m5mols_mode - manage the M-5MOLS's mode
+ * @mode: the required operation mode
+ *
+ * The commands of M-5MOLS are grouped into specific modes. Each functionality
+ * can be guaranteed only when the sensor is operating in mode which which
+ * a command belongs to.
*/
-static int get_version(struct v4l2_subdev *sd)
+int m5mols_mode(struct m5mols_info *info, u8 mode)
{
- struct m5mols_info *info = to_m5mols(sd);
- union {
- struct m5mols_version ver;
- u8 bytes[10];
- } value;
- int ret, i;
-
- for (i = CAT0_CUSTOMER_CODE; i <= CAT0_VERSION_AWB_L; i++) {
- ret = i2c_r8_system(sd, i, (u32 *)&value.bytes[i]);
- if (ret)
- return ret;
- }
-
- info->ver = value.ver;
+ struct v4l2_subdev *sd = &info->sd;
+ int ret = -EINVAL;
+ u8 reg;
- info->ver.fw = be16_to_cpu(info->ver.fw);
- info->ver.hw = be16_to_cpu(info->ver.hw);
- info->ver.parm = be16_to_cpu(info->ver.parm);
- info->ver.awb = be16_to_cpu(info->ver.awb);
+ if (mode < REG_PARAMETER || mode > REG_CAPTURE)
+ return ret;
- return ret;
-}
+ ret = m5mols_read_u8(sd, SYSTEM_SYSMODE, &reg);
+ if ((!ret && reg == mode) || ret)
+ return ret;
-static void m5mols_show_version(struct v4l2_subdev *sd)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct device *dev = &client->dev;
- struct m5mols_info *info = to_m5mols(sd);
+ switch (reg) {
+ case REG_PARAMETER:
+ ret = m5mols_reg_mode(sd, REG_MONITOR);
+ if (!ret && mode == REG_MONITOR)
+ break;
+ if (!ret)
+ ret = m5mols_reg_mode(sd, REG_CAPTURE);
+ break;
- dev_info(dev, "customer code\t0x%02x\n", info->ver.ctm_code);
- dev_info(dev, "project code\t0x%02x\n", info->ver.pj_code);
- dev_info(dev, "firmware version\t0x%04x\n", info->ver.fw);
- dev_info(dev, "hardware version\t0x%04x\n", info->ver.hw);
- dev_info(dev, "parameter version\t0x%04x\n", info->ver.parm);
- dev_info(dev, "AWB version\t0x%04x\n", info->ver.awb);
-}
+ case REG_MONITOR:
+ if (mode == REG_PARAMETER) {
+ ret = m5mols_reg_mode(sd, REG_PARAMETER);
+ break;
+ }
-/*
- * get_res_preset - find out M5MOLS register value from requested resolution.
- *
- * @width: requested width
- * @height: requested height
- * @type: requested type of each modes. It supports only monitor mode now.
- */
-static int get_res_preset(struct v4l2_subdev *sd, u16 width, u16 height,
- enum m5mols_res_type type)
-{
- struct m5mols_info *info = to_m5mols(sd);
- int i;
+ ret = m5mols_reg_mode(sd, REG_CAPTURE);
+ break;
- for (i = 0; i < ARRAY_SIZE(m5mols_resolutions); i++) {
- if ((m5mols_resolutions[i].type == type) &&
- (m5mols_resolutions[i].width == width) &&
- (m5mols_resolutions[i].height == height))
+ case REG_CAPTURE:
+ ret = m5mols_reg_mode(sd, REG_MONITOR);
+ if (!ret && mode == REG_MONITOR)
break;
- }
+ if (!ret)
+ ret = m5mols_reg_mode(sd, REG_PARAMETER);
+ break;
- if (i >= ARRAY_SIZE(m5mols_resolutions)) {
- v4l2msg("no matching resolution\n");
- return -EINVAL;
+ default:
+ v4l2_warn(sd, "Wrong mode: %d\n", mode);
}
- return m5mols_resolutions[i].value;
+ if (!ret)
+ info->mode = mode;
+
+ return ret;
}
-/*
- * get_fps - calc & check FPS from v4l2_captureparm, if FPS is adequate, set.
+/**
+ * m5mols_get_version - retrieve full revisions information of M-5MOLS
*
- * In M5MOLS case, the denominator means FPS. The each value of numerator and
- * denominator should not be minus. If numerator is 0, it sets AUTO FPS. If
- * numerator is not 1, it recalculates denominator. After it checks, the
- * denominator is set to timeperframe.denominator, and used by FPS.
+ * The version information includes revisions of hardware and firmware,
+ * AutoFocus alghorithm version and the version string.
*/
-static int get_fps(struct v4l2_subdev *sd,
- struct v4l2_captureparm *parm)
+static int m5mols_get_version(struct v4l2_subdev *sd)
{
- int numerator = parm->timeperframe.numerator;
- int denominator = parm->timeperframe.denominator;
+ struct m5mols_info *info = to_m5mols(sd);
+ struct m5mols_version *ver = &info->ver;
+ u8 *str = ver->str;
+ int i;
+ int ret;
- /* The denominator should be +, except 0. The numerator shoud be +. */
- if (numerator < 0 || denominator <= 0)
- return -EINVAL;
+ ret = m5mols_read_u8(sd, SYSTEM_VER_CUSTOMER, &ver->customer);
+ if (!ret)
+ ret = m5mols_read_u8(sd, SYSTEM_VER_PROJECT, &ver->project);
+ if (!ret)
+ ret = m5mols_read_u16(sd, SYSTEM_VER_FIRMWARE, &ver->fw);
+ if (!ret)
+ ret = m5mols_read_u16(sd, SYSTEM_VER_HARDWARE, &ver->hw);
+ if (!ret)
+ ret = m5mols_read_u16(sd, SYSTEM_VER_PARAMETER, &ver->param);
+ if (!ret)
+ ret = m5mols_read_u16(sd, SYSTEM_VER_AWB, &ver->awb);
+ if (!ret)
+ ret = m5mols_read_u8(sd, AF_VERSION, &ver->af);
+ if (ret)
+ return ret;
- /* The numerator is 0, return auto fps. */
- if (numerator == 0) {
- parm->timeperframe.denominator = M5MOLS_FPS_AUTO;
- return 0;
+ for (i = 0; i < VERSION_STRING_SIZE; i++) {
+ ret = m5mols_read_u8(sd, SYSTEM_VER_STRING, &str[i]);
+ if (ret)
+ return ret;
}
- /* calc FPS(not time per frame) per 1 numerator */
- denominator = denominator / numerator;
+ ver->fw = be16_to_cpu(ver->fw);
+ ver->hw = be16_to_cpu(ver->hw);
+ ver->param = be16_to_cpu(ver->param);
+ ver->awb = be16_to_cpu(ver->awb);
- if (denominator < M5MOLS_FPS_AUTO || denominator > M5MOLS_FPS_MAX)
- return -EINVAL;
+ v4l2_info(sd, "Manufacturer\t[%s]\n",
+ is_manufacturer(info, REG_SAMSUNG_ELECTRO) ?
+ "Samsung Electro-Machanics" :
+ is_manufacturer(info, REG_SAMSUNG_OPTICS) ?
+ "Samsung Fiber-Optics" :
+ is_manufacturer(info, REG_SAMSUNG_TECHWIN) ?
+ "Samsung Techwin" : "None");
+ v4l2_info(sd, "Customer/Project\t[0x%02x/0x%02x]\n",
+ info->ver.customer, info->ver.project);
- if (!m5mols_reg_fps[denominator])
- return -EINVAL;
+ if (!is_available_af(info))
+ v4l2_info(sd, "No support Auto Focus on this firmware\n");
- return 0;
-}
-
-/*
- * to_code - return pixelcode of M5MOLS according to resolution type.
- */
-static enum v4l2_mbus_pixelcode to_code(enum m5mols_res_type res_type)
-{
- return m5mols_formats[res_type].code;
+ return ret;
}
-/*
- * to_res_type - return resolution type of M5MOLS according to pixelcode.
+/**
+ * __find_restype - Lookup M-5MOLS resolution type according to pixel code
+ * @code: pixel code
*/
-static enum m5mols_res_type to_res_type(struct v4l2_subdev *sd,
- enum v4l2_mbus_pixelcode code)
+static enum m5mols_restype __find_restype(enum v4l2_mbus_pixelcode code)
{
- int i = ARRAY_SIZE(m5mols_formats);
+ enum m5mols_restype type = M5MOLS_RESTYPE_MONITOR;
- while (i--)
- if (code == m5mols_formats[i].code)
- break;
- if (i < 0)
- return M5MOLS_RES_MAX;
+ do {
+ if (code == m5mols_default_ffmt[type].code)
+ return type;
+ } while (type++ != SIZE_DEFAULT_FFMT);
- if (code == m5mols_formats[M5MOLS_RES_MON].code)
- return M5MOLS_RES_MON;
- else
- return M5MOLS_RES_CAPTURE;
+ return 0;
}
-static int m5mols_g_mbus_fmt(struct v4l2_subdev *sd,
- struct v4l2_mbus_framefmt *ffmt)
+/**
+ * __find_resolution - Lookup preset and type of M-5MOLS's resolution
+ * @mf: pixel format to find/negotiate the resolution preset for
+ * @type: M-5MOLS resolution type
+ * @resolution: M-5MOLS resolution preset register value
+ *
+ * Find nearest resolution matching resolution preset and adjust mf
+ * to supported values.
+ */
+static int __find_resolution(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *mf,
+ enum m5mols_restype *type,
+ u32 *resolution)
{
- struct m5mols_info *info = to_m5mols(sd);
- enum m5mols_res_type res_type;
+ const struct m5mols_resolution *fsize = &m5mols_reg_res[0];
+ const struct m5mols_resolution *match = NULL;
+ enum m5mols_restype stype = __find_restype(mf->code);
+ int i = ARRAY_SIZE(m5mols_reg_res);
+ unsigned int min_err = ~0;
- res_type = to_res_type(sd, ffmt->code);
- if (res_type == M5MOLS_RES_MAX)
- return -EINVAL;
+ while (i--) {
+ int err;
+ if (stype == fsize->type) {
+ err = abs(fsize->width - mf->width)
+ + abs(fsize->height - mf->height);
- *ffmt = info->fmt[res_type];
- info->code = ffmt->code;
+ if (err < min_err) {
+ min_err = err;
+ match = fsize;
+ }
+ }
+ fsize++;
+ }
+ if (match) {
+ mf->width = match->width;
+ mf->height = match->height;
+ *resolution = match->reg;
+ *type = stype;
+ return 0;
+ }
- return 0;
+ return -EINVAL;
}
-static int m5mols_into_monitor(struct v4l2_subdev *sd, int res_size)
+static struct v4l2_mbus_framefmt *__find_format(struct m5mols_info *info,
+ struct v4l2_subdev_fh *fh,
+ enum v4l2_subdev_format_whence which,
+ enum m5mols_restype type)
{
- int ret;
-
- ret = m5mols_set_mode(sd, MODE_PARMSET);
- if (!ret)
- ret = i2c_w8_param(sd, CAT1_MONITOR_SIZE, (u8)res_size);
- if (!ret)
- ret = m5mols_set_mode(sd, MODE_PARMSET);
+ if (which == V4L2_SUBDEV_FORMAT_TRY)
+ return fh ? v4l2_subdev_get_try_format(fh, 0) : NULL;
- return ret;
+ return &info->ffmt[type];
}
-static int m5mols_into_capture(struct v4l2_subdev *sd, int res_size)
+static int m5mols_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_format *fmt)
{
struct m5mols_info *info = to_m5mols(sd);
- u32 reg;
- int ret, timeout = 1;
- u32 temp = 0;
-
- info->captured = false;
-
- /*
- * The sequence of preparing Capture mode.
- * 1. Clear Interrupt bit (for dummy)
- * 2. Enable Capture bit at Interrupt
- * 3. Lock AE/AWB
- * 4. Enter Still Capture mode
- */
-
- ret = m5mols_set_mode(sd, MODE_MONITOR);
- if (!ret)
- /* FIXME: setting capture exposure at the middle of a amount. */
- ret = i2c_w16_ae(sd, CAT3_MANUAL_GAIN_CAP, 0x90);
- if (!ret)
- ret = m5mols_set_ae_lock(info, true);
- if (!ret)
- ret = m5mols_set_awb_lock(info, true);
- if (!ret)
- ret = i2c_r8_system(sd, CAT0_INT_FACTOR, &reg);
- if (!ret)
- ret = i2c_w8_system(sd, CAT0_INT_ENABLE, 1 << INT_BIT_CAPTURE);
- if (!ret)
- ret = m5mols_set_mode(sd, MODE_CAPTURE);
- if (!ret)
- timeout = wait_event_interruptible_timeout(info->cap_wait,
- info->captured, msecs_to_jiffies(2000));
-
- /* disable all interrupt & clear interrupt */
- ret = i2c_w8_system(sd, CAT0_INT_ENABLE, 0x0);
- if (!ret)
- ret = i2c_r8_system(sd, CAT0_INT_FACTOR, &reg);
- if (ret)
- return -EPERM;
+ struct v4l2_mbus_framefmt *format;
- /* If all timeout exhausted, return error. */
- if (!timeout)
- return -ETIMEDOUT;
+ format = __find_format(info, fh, fmt->which, info->res_type);
+ if (!format)
+ return -EINVAL;
- ret = i2c_r32_capt_ctrl(sd, CATC_CAP_IMAGE_SIZE, &temp);
- info->captured = false;
- return ret;
+ fmt->format = *format;
+ return 0;
}
-static int m5mols_s_mbus_fmt(struct v4l2_subdev *sd,
- struct v4l2_mbus_framefmt *ffmt)
+static int m5mols_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_format *fmt)
{
struct m5mols_info *info = to_m5mols(sd);
- enum m5mols_res_type res_type;
- int size;
- int ret = -EINVAL;
-
- res_type = to_res_type(sd, ffmt->code);
- if (res_type == M5MOLS_RES_MAX)
- return -EINVAL;
-
- /* If user set portrait for preview, it is substitued width width height
- * unless get_res_preset will fail that M5MOLS did not support
- * reverse WVGA */
- if (ffmt->width < ffmt->height) {
- int temp;
- temp = ffmt->width;
- ffmt->width = ffmt->height;
- ffmt->height = temp;
- }
- size = get_res_preset(sd, ffmt->width, ffmt->height, res_type);
- if (size < 0)
- return -EINVAL;
-
- if (ffmt->code == m5mols_formats[M5MOLS_RES_MON].code)
- ret = m5mols_into_monitor(sd, size);
- else
- ret = m5mols_into_capture(sd, 0);
+ struct v4l2_mbus_framefmt *format = &fmt->format;
+ struct v4l2_mbus_framefmt *sfmt;
+ enum m5mols_restype type;
+ u32 resolution = 0;
+ int ret;
- info->fmt[res_type] = default_fmt[res_type];
- info->fmt[res_type].width = ffmt->width;
- info->fmt[res_type].height = ffmt->height;
+ ret = __find_resolution(sd, format, &type, &resolution);
+ if (ret < 0)
+ return ret;
- *ffmt = info->fmt[res_type];
- info->code = ffmt->code;
+ sfmt = __find_format(info, fh, fmt->which, type);
+ if (!sfmt)
+ return 0;
- return ret;
-}
-static int m5mols_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned int index,
- enum v4l2_mbus_pixelcode *code)
-{
- if (!code || index >= ARRAY_SIZE(m5mols_formats))
- return -EINVAL;
+ format->code = m5mols_default_ffmt[type].code;
+ format->colorspace = V4L2_COLORSPACE_JPEG;
+ format->field = V4L2_FIELD_NONE;
- *code = m5mols_formats[index].code;
+ if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
+ *sfmt = *format;
+ info->resolution = resolution;
+ info->res_type = type;
+ }
return 0;
}
-static int m5mols_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
+static int m5mols_enum_mbus_code(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_mbus_code_enum *code)
{
- struct m5mols_info *info = to_m5mols(sd);
- struct v4l2_captureparm *cp = &parms->parm.capture;
-
- if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
- parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ if (!code || code->index >= SIZE_DEFAULT_FFMT)
return -EINVAL;
- cp->capability = V4L2_CAP_TIMEPERFRAME;
- cp->timeperframe = info->tpf;
+ code->code = m5mols_default_ffmt[code->index].code;
return 0;
}
-static int m5mols_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
+static struct v4l2_subdev_pad_ops m5mols_pad_ops = {
+ .enum_mbus_code = m5mols_enum_mbus_code,
+ .get_fmt = m5mols_get_fmt,
+ .set_fmt = m5mols_set_fmt,
+};
+
+/**
+ * m5mols_sync_controls - Apply default scene mode and the current controls
+ *
+ * This is used only streaming for syncing between v4l2_ctrl framework and
+ * m5mols's controls. First, do the scenemode to the sensor, then call
+ * v4l2_ctrl_handler_setup. It can be same between some commands and
+ * the scenemode's in the default v4l2_ctrls. But, such commands of control
+ * should be prior to the scenemode's one.
+ */
+int m5mols_sync_controls(struct m5mols_info *info)
{
- struct m5mols_info *info = to_m5mols(sd);
- struct v4l2_captureparm *cp = &parms->parm.capture;
int ret = -EINVAL;
- if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
- parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
- return -EINVAL;
+ if (!is_ctrl_synced(info)) {
+ ret = m5mols_do_scenemode(info, REG_SCENE_NORMAL);
+ if (ret)
+ return ret;
- ret = m5mols_set_mode_backup(sd, MODE_PARMSET);
- if (!ret)
- ret = get_fps(sd, cp); /* set right FPS to denominator. */
- if (!ret)
- ret = i2c_w8_param(sd, CAT1_MONITOR_FPS,
- m5mols_reg_fps[cp->timeperframe.denominator]);
- if (!ret)
- ret = m5mols_set_mode_restore(sd);
- if (!ret) {
- cp->capability = V4L2_CAP_TIMEPERFRAME;
- info->tpf = cp->timeperframe;
+ v4l2_ctrl_handler_setup(&info->handle);
+ info->ctrl_sync = true;
}
- v4l2msg("denominator: %d / numerator: %d.\n",
- cp->timeperframe.denominator, cp->timeperframe.numerator);
-
return ret;
}
-static int m5mols_get_info_capture(struct v4l2_subdev *sd)
+/**
+ * m5mols_start_monitor - Start the monitor mode
+ *
+ * Before applying the controls setup the resolution and frame rate
+ * in PARAMETER mode, and then switch over to MONITOR mode.
+ */
+static int m5mols_start_monitor(struct m5mols_info *info)
{
- struct m5mols_info *info = to_m5mols(sd);
- struct m5mols_exif *exif = &info->cap.exif;
- int denominator, numerator;
- int ret = 0;
-
- ret = i2c_r32_exif(sd, CAT7_INFO_EXPTIME_NU, &numerator);
- if (!ret)
- ret = i2c_r32_exif(sd, CAT7_INFO_EXPTIME_DE, &denominator);
- if (!ret)
- exif->exposure_time = (u32)(numerator / denominator);
- if (ret)
- return ret;
-
- ret = i2c_r32_exif(sd, CAT7_INFO_TV_NU, &numerator);
- if (!ret)
- ret = i2c_r32_exif(sd, CAT7_INFO_TV_DE, &denominator);
- if (!ret)
- exif->shutter_speed = (u32)(numerator / denominator);
- if (ret)
- return ret;
-
- ret = i2c_r32_exif(sd, CAT7_INFO_AV_NU, &numerator);
- if (!ret)
- ret = i2c_r32_exif(sd, CAT7_INFO_AV_DE, &denominator);
- if (!ret)
- exif->aperture = (u32)(numerator / denominator);
- if (ret)
- return ret;
-
- ret = i2c_r32_exif(sd, CAT7_INFO_BV_NU, &numerator);
- if (!ret)
- ret = i2c_r32_exif(sd, CAT7_INFO_BV_DE, &denominator);
- if (!ret)
- exif->brightness = (u32)(numerator / denominator);
- if (ret)
- return ret;
-
- ret = i2c_r32_exif(sd, CAT7_INFO_EBV_NU, &numerator);
- if (!ret)
- ret = i2c_r32_exif(sd, CAT7_INFO_EBV_DE, &denominator);
- if (!ret)
- exif->exposure_bias = (u32)(numerator / denominator);
- if (ret)
- return ret;
+ struct v4l2_subdev *sd = &info->sd;
+ int ret;
- ret = i2c_r16_exif(sd, CAT7_INFO_ISO, (u32 *)&exif->iso_speed);
- if (!ret)
- ret = i2c_r16_exif(sd, CAT7_INFO_FLASH, (u32 *)&exif->flash);
+ ret = m5mols_mode(info, REG_PARAMETER);
if (!ret)
- ret = i2c_r16_exif(sd, CAT7_INFO_SDR, (u32 *)&exif->sdr);
+ ret = m5mols_write(sd, PARM_MON_SIZE, info->resolution);
if (!ret)
- ret = i2c_r16_exif(sd, CAT7_INFO_QVAL, (u32 *)&exif->qval);
- if (ret)
- return ret;
+ ret = m5mols_write(sd, PARM_MON_FPS, REG_FPS_30);
if (!ret)
- ret = i2c_r32_capt_ctrl(sd, CATC_CAP_IMAGE_SIZE,
- &info->cap.main);
+ ret = m5mols_mode(info, REG_MONITOR);
if (!ret)
- ret = i2c_r32_capt_ctrl(sd, CATC_CAP_THUMB_SIZE,
- &info->cap.thumb);
-
- info->cap.total = info->cap.main + info->cap.thumb;
-
- v4l2_info(sd, "%s: capture total size %d\n", __func__, info->cap.total);
- v4l2_info(sd, "%s: capture main size %d\n", __func__, info->cap.main);
- v4l2_info(sd, "%s: capture thumb size %d\n", __func__, info->cap.thumb);
- v4l2_info(sd, "%s: exposure_time %d\n", __func__, exif->exposure_time);
- v4l2_info(sd, "%s: shutter_speed %d\n", __func__, exif->shutter_speed);
- v4l2_info(sd, "%s: aperture %d\n", __func__, exif->aperture);
- v4l2_info(sd, "%s: brightness %d\n", __func__, exif->brightness);
- v4l2_info(sd, "%s: exposure_bias %d\n", __func__, exif->exposure_bias);
- v4l2_info(sd, "%s: iso_speed %d\n", __func__, exif->iso_speed);
- v4l2_info(sd, "%s: flash %d\n", __func__, exif->flash);
- v4l2_info(sd, "%s: sdr %d\n", __func__, exif->sdr);
- v4l2_info(sd, "%s: qval %d\n", __func__, exif->qval);
+ ret = m5mols_sync_controls(info);
return ret;
}
-/* TODO: not verified. */
-static int m5mols_start_capture(struct v4l2_subdev *sd)
+static int m5mols_s_stream(struct v4l2_subdev *sd, int enable)
{
struct m5mols_info *info = to_m5mols(sd);
- u32 reg, size;
- int ret, timeout;
-
- u8 reg_capt_fmt[] = {
- 0x10, /* JPEG with header + Thumbnail JPEG(YUV422@QVGA) */
- }; /* YUV422, JPEG(422), JPEG(420) */
- info->captured = false;
-
- size = get_res_preset(sd,
- info->fmt[M5MOLS_RES_CAPTURE].width,
- info->fmt[M5MOLS_RES_CAPTURE].height,
- M5MOLS_RES_CAPTURE);
- if (size < 0)
- return -EINVAL;
- ret = 0;
- /*
- * The sequence of Starting Capture mode.
- * 1. Select capture Single or Multi
- * 2. Select format (YUV422, JPEG(YUV420, YUV422))
- * 3. Set image size preset of Capture
- * 4. Read Interrupt bit (for dummy)
- * 5. Enable Capture bit at Interrupt
- * 6. Start Capture
- * 7. Check interrupt and register value
- * 8. Get Image & Thumb size
- */
- ret = i2c_w8_capt_ctrl(sd, CATC_CAP_SEL_FRAME, true); /* single capture */
- if (!ret)
- ret = i2c_w8_capt_parm(sd, CATB_YUVOUT_MAIN, reg_capt_fmt[0]);
- if (!ret)
- ret = i2c_w8_capt_parm(sd, CATB_MAIN_IMAGE_SIZE, size);
- if (!ret)
- ret = i2c_r8_system(sd, CAT0_INT_FACTOR, &reg);
- if (!ret)
- ret = i2c_w8_system(sd, CAT0_INT_ENABLE, 1 << INT_BIT_CAPTURE);
- if (!ret)
- ret = i2c_w8_capt_ctrl(sd, CATC_CAP_START, true);
- if (!ret) {
- timeout = wait_event_interruptible_timeout(info->cap_wait,
- info->captured, msecs_to_jiffies(2000));
-
- if (info->captured) {
- ret = m5mols_get_info_capture(sd);
+ u32 code = info->ffmt[info->res_type].code;
- if (!ret)
- v4l2_subdev_notify(sd, info->cap.total, NULL);
- else
- return ret;
- }
-
- /* disable all interrupt & clear interrupt */
- ret = i2c_w8_system(sd, CAT0_INT_ENABLE, 0x0);
- if (!ret)
- ret = i2c_r8_system(sd, CAT0_INT_FACTOR, &reg);
- if (ret)
- return -EPERM;
-
- /* If all timeout exhausted, return error. */
- if (!timeout)
- return -ETIMEDOUT;
+ if (enable) {
+ int ret = -EINVAL;
- info->captured = false;
+ if (is_code(code, M5MOLS_RESTYPE_MONITOR))
+ ret = m5mols_start_monitor(info);
+ if (is_code(code, M5MOLS_RESTYPE_CAPTURE))
+ ret = m5mols_start_capture(info);
- ret = 0;
+ return ret;
}
- /* TODO: complete capture. */
-
- return ret;
-}
-
-static int m5mols_start_monitor(struct v4l2_subdev *sd)
-{
- return m5mols_set_mode(sd, MODE_MONITOR);
-}
-
-static int m5mols_s_stream(struct v4l2_subdev *sd, int enable)
-{
- struct m5mols_info *info = to_m5mols(sd);
-
- if (enable) {
- if (info->code == to_code(M5MOLS_RES_MON)) {
- v4l2_info(sd, "%s : monitor mode\n", __func__);
- return m5mols_start_monitor(sd);
- }
- if (info->code == to_code(M5MOLS_RES_CAPTURE)) {
- v4l2_info(sd, "%s : capture mode\n", __func__);
- return m5mols_start_capture(sd);
- }
- return -EINVAL;
- } else {
- if (is_streaming(sd))
- return m5mols_set_mode(sd, MODE_PARMSET);
- return -EINVAL;
- }
+ return m5mols_mode(info, REG_PARAMETER);
}
static const struct v4l2_subdev_video_ops m5mols_video_ops = {
- .g_mbus_fmt = m5mols_g_mbus_fmt,
- .s_mbus_fmt = m5mols_s_mbus_fmt,
- .enum_mbus_fmt = m5mols_enum_mbus_fmt,
- .g_parm = m5mols_g_parm,
- .s_parm = m5mols_s_parm,
- .s_stream = m5mols_s_stream,
+ .s_stream = m5mols_s_stream,
};
static int m5mols_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = to_sd(ctrl);
+ struct m5mols_info *info = to_m5mols(sd);
int ret;
- ret = m5mols_set_mode_backup(sd, MODE_PARMSET);
+ info->mode_save = info->mode;
+
+ ret = m5mols_mode(info, REG_PARAMETER);
if (!ret)
ret = m5mols_set_ctrl(ctrl);
if (!ret)
- ret = m5mols_set_mode_restore(sd);
-
- return ret;
-}
-
-static int m5mols_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct v4l2_subdev *sd = to_sd(ctrl);
- struct m5mols_info *info = to_m5mols(sd);
- int ret = 0;
+ ret = m5mols_mode(info, info->mode_save);
- switch (ctrl->id) {
- case V4L2_CID_CAM_JPEG_ENCODEDSIZE:
- ctrl->cur.val = info->cap.total;
- break;
- default:
- ret = -EINVAL;
- break;
- }
return ret;
}
static const struct v4l2_ctrl_ops m5mols_ctrl_ops = {
- .s_ctrl = m5mols_s_ctrl,
- .g_volatile_ctrl = m5mols_g_volatile_ctrl,
+ .s_ctrl = m5mols_s_ctrl,
};
-static const struct v4l2_ctrl_config ctrl_private[] = {
- {
- .ops = &m5mols_ctrl_ops,
- .id = V4L2_CID_CAM_JPEG_MEMSIZE,
- .name = "Jpeg memory size",
- .type = V4L2_CTRL_TYPE_INTEGER,
- .flags = V4L2_CTRL_FLAG_SLIDER,
- .max = M5MO_JPEG_MEMSIZE,
- .step = 1,
- .min = 0,
- .def = M5MO_JPEG_MEMSIZE,
- .is_private = 1,
- }, {
- .ops = &m5mols_ctrl_ops,
- .id = V4L2_CID_CAM_JPEG_ENCODEDSIZE,
- .name = "Jpeg encoded size",
- .type = V4L2_CTRL_TYPE_INTEGER,
- .flags = V4L2_CTRL_FLAG_SLIDER,
- .max = M5MO_JPEG_MEMSIZE,
- .step = 1,
- .min = 0,
- .def = 0,
- .is_private = 1,
- .is_volatile = 1,
- },
-};
-/*
- * m5mols_sensor_power - handle sensor power up/down.
- *
- * @enable: If it is true, power up. If is not, power down.
- */
static int m5mols_sensor_power(struct m5mols_info *info, bool enable)
{
struct v4l2_subdev *sd = &info->sd;
- struct i2c_client *c = v4l2_get_subdevdata(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ const struct m5mols_platform_data *pdata = info->pdata;
int ret;
if (enable) {
- if (is_powerup(sd))
+ if (is_powered(info))
return 0;
- /* power-on additional power */
if (info->set_power) {
- ret = info->set_power(&c->dev, 1);
+ ret = info->set_power(&client->dev, 1);
if (ret)
return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(supplies), supplies);
- if (ret)
+ if (ret) {
+ info->set_power(&client->dev, 0);
return ret;
+ }
- gpio_set_value(info->pdata->gpio_rst, info->pdata->enable_rst);
+ gpio_set_value(pdata->gpio_reset, !pdata->reset_polarity);
usleep_range(1000, 1000);
-
info->power = true;
- } else {
- if (!is_powerup(sd))
- return 0;
- ret = regulator_bulk_disable(ARRAY_SIZE(supplies), supplies);
- if (ret)
- return ret;
+ return ret;
+ }
- /* power-off additional power */
- if (info->set_power) {
- ret = info->set_power(&c->dev, 0);
- if (ret)
- return ret;
- }
+ if (!is_powered(info))
+ return 0;
- info->power = false;
+ ret = regulator_bulk_disable(ARRAY_SIZE(supplies), supplies);
+ if (ret)
+ return ret;
- gpio_set_value(info->pdata->gpio_rst, !info->pdata->enable_rst);
- usleep_range(1000, 1000);
- }
+ if (info->set_power)
+ info->set_power(&client->dev, 0);
- return ret;
-}
+ gpio_set_value(pdata->gpio_reset, pdata->reset_polarity);
+ usleep_range(1000, 1000);
+ info->power = false;
-static void m5mols_irq_work(struct work_struct *work)
-{
- struct m5mols_info *info = container_of(work, struct m5mols_info, work);
- struct v4l2_subdev *sd = &info->sd;
- u32 reg;
- int ret;
- if (is_powerup(sd)) {
- ret = i2c_r8_system(sd, CAT0_INT_FACTOR, &reg);
- if (!ret) {
- switch (reg & 0x0f) {
- case (1 << INT_BIT_AF):
- /* Except returning zero at just that upper
- * statments, not entering in this parenthesis.
- * The return value is below:
- * 0x0 : AF Fail
- * 0x2 : AF Success
- * 0x4 : Idle Status
- * 0x5 : Busy Status */
- ret = i2c_r8_lens(sd, CATA_AF_STATUS, &reg);
- if (!ret && (reg == 0x02))
- info->is_focus = true;
- else
- info->is_focus = false;
- printk("%s = AF %02x, focus %d\n",
- __func__, reg, info->is_focus);
- break;
- case (1 << INT_BIT_CAPTURE):
- printk("%s = CAPTURE\n", __func__);
- if (!info->captured) {
- wake_up_interruptible(&info->cap_wait);
- info->captured = true;
- }
- break;
- case (1 << INT_BIT_ZOOM):
- case (1 << INT_BIT_FRAME_SYNC):
- case (1 << INT_BIT_FD):
- case (1 << INT_BIT_LENS_INIT):
- case (1 << INT_BIT_SOUND):
- printk("%s = Nothing : 0x%08x\n", __func__, reg);
- break;
- case (1 << INT_BIT_MODE):
- default:
- break;
- }
- }
- }
+ return ret;
}
-static irqreturn_t m5mols_irq_handler(int irq, void *data)
+/* m5mols_update_fw - optional firmware update routine */
+int __attribute__ ((weak)) m5mols_update_fw(struct v4l2_subdev *sd,
+ int (*set_power)(struct m5mols_info *, bool))
{
- struct v4l2_subdev *sd = data;
- struct m5mols_info *info = to_m5mols(sd);
-
- v4l2_info(sd, "%s\n", __func__);
-
- schedule_work(&info->work);
-
- return IRQ_HANDLED;
+ return 0;
}
-/*
- * m5mols_sensor_armboot - booting M5MOLS internal ARM core-controller.
+/**
+ * m5mols_sensor_armboot - Booting M-5MOLS internal ARM core.
*
- * It makes to ready M5MOLS for I2C & MIPI interface. After it's powered up,
- * it activates if it gets armboot command for I2C interface. After getting
- * cmd, it must wait about least 500ms referenced by M5MOLS datasheet.
+ * Booting internal ARM core makes the M-5MOLS is ready for getting commands
+ * with I2C. It's the first thing to be done after it powered up. It must wait
+ * at least 520ms recommended by M-5MOLS datasheet, after executing arm booting.
*/
static int m5mols_sensor_armboot(struct v4l2_subdev *sd)
{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct m5mols_info *info = to_m5mols(sd);
- static u8 m5mols_mipi_value = 0x02;
- u32 reg;
int ret;
- /* 1. ARM booting */
- ret = i2c_w8_flash(sd, CATC_CAM_START, true);
+ ret = m5mols_write(sd, FLASH_CAM_START, REG_START_ARM_BOOT);
if (ret < 0)
return ret;
- msleep(500);
- dev_dbg(&client->dev, "Success ARM Booting\n");
+ msleep(520);
- /* after ARM booting, the M5MOLS state changed Parameter mode. */
- info->mode = MODE_PARMSET;
-
- ret = i2c_r8_system(sd, CAT0_INT_FACTOR, &reg); /* clear intterupt */
- if (!ret)
- ret = i2c_w8_system(sd, CAT0_INT_ENABLE, 0x0); /* all disable */
- if (!ret)
- ret = get_version(sd);
+ ret = m5mols_get_version(sd);
if (!ret)
- ret = i2c_w8_param(sd, CAT1_DATA_INTERFACE, m5mols_mipi_value);
+ ret = m5mols_update_fw(sd, m5mols_sensor_power);
+ if (ret)
+ return ret;
- m5mols_show_version(sd);
+ v4l2_dbg(1, m5mols_debug, sd, "Success ARM Booting\n");
+
+ ret = m5mols_write(sd, PARM_INTERFACE, REG_INTERFACE_MIPI);
+ if (!ret)
+ ret = m5mols_enable_interrupt(sd, REG_INT_AF);
return ret;
}
-/*
- * m5mols_init_controls - initialization using v4l2_ctrl.
- */
static int m5mols_init_controls(struct m5mols_info *info)
{
struct v4l2_subdev *sd = &info->sd;
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- u16 max_ex_mon;
+ u16 max_exposure;
+ u16 step_zoom;
int ret;
- /* check minimum & maximum of M5MOLS controls */
- ret = i2c_r16_ae(sd, CAT3_MAX_GAIN_MON, (u32 *)&max_ex_mon);
+ /* Determine value's range & step of controls for various FW version */
+ ret = m5mols_read_u16(sd, AE_MAX_GAIN_MON, &max_exposure);
+ if (!ret)
+ step_zoom = is_manufacturer(info, REG_SAMSUNG_OPTICS) ? 31 : 1;
if (ret)
return ret;
- /* set the controls using v4l2 control frameworks */
- v4l2_ctrl_handler_init(&info->handle, 9);
-
- info->colorfx = v4l2_ctrl_new_std_menu(&info->handle,
- &m5mols_ctrl_ops, V4L2_CID_COLORFX,
- 9, 1, V4L2_COLORFX_NONE);
- info->autoexposure = v4l2_ctrl_new_std_menu(&info->handle,
- &m5mols_ctrl_ops, V4L2_CID_EXPOSURE_AUTO,
- 1, 0, V4L2_EXPOSURE_AUTO);
- info->exposure = v4l2_ctrl_new_std(&info->handle,
- &m5mols_ctrl_ops, V4L2_CID_EXPOSURE,
- 0, max_ex_mon, 1, (int)max_ex_mon/2);
- info->autofocus = v4l2_ctrl_new_std(&info->handle,
- &m5mols_ctrl_ops, V4L2_CID_FOCUS_AUTO,
- 0, 1, 1, 0);
+ v4l2_ctrl_handler_init(&info->handle, 6);
info->autowb = v4l2_ctrl_new_std(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_AUTO_WHITE_BALANCE,
- 0, 1, 1, 1);
+ 0, 1, 1, 0);
info->saturation = v4l2_ctrl_new_std(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_SATURATION,
- 0, 6, 1, 3);
+ 1, 5, 1, 3);
info->zoom = v4l2_ctrl_new_std(&info->handle,
&m5mols_ctrl_ops, V4L2_CID_ZOOM_ABSOLUTE,
- 0, 70, 1, 0);
- info->jpeg_size = v4l2_ctrl_new_custom(&info->handle,
- &ctrl_private[0],
- NULL);
- info->encoded_size = v4l2_ctrl_new_custom(&info->handle,
- &ctrl_private[1],
- NULL);
+ 1, 70, step_zoom, 1);
+ info->exposure = v4l2_ctrl_new_std(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_EXPOSURE,
+ 0, max_exposure, 1, (int)max_exposure/2);
+ info->colorfx = v4l2_ctrl_new_std_menu(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_COLORFX,
+ 4, (1 << V4L2_COLORFX_BW), V4L2_COLORFX_NONE);
+ info->autoexposure = v4l2_ctrl_new_std_menu(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_EXPOSURE_AUTO,
+ 1, 0, V4L2_EXPOSURE_MANUAL);
sd->ctrl_handler = &info->handle;
-
if (info->handle.error) {
- dev_err(&client->dev, "Failed to init controls, %d\n", ret);
+ v4l2_err(sd, "Failed to initialize controls: %d\n", ret);
v4l2_ctrl_handler_free(&info->handle);
return info->handle.error;
}
v4l2_ctrl_cluster(2, &info->autoexposure);
- /* If above ctrl value is not good image, so it is better that not set */
- v4l2_ctrl_handler_setup(&info->handle);
return 0;
}
-/*
- * m5mols_setup_default - set default size & fps in the monitor mode.
+/**
+ * m5mols_s_power - Main sensor power control function
+ *
+ * To prevent breaking the lens when the sensor is powered off the Soft-Landing
+ * algorithm is called where available. The Soft-Landing algorithm availability
+ * dependends on the firmware provider.
*/
-static int m5mols_setup_default(struct v4l2_subdev *sd)
-{
- struct m5mols_info *info = to_m5mols(sd);
- int value;
- int ret = -EINVAL;
-
- value = get_res_preset(sd,
- default_fmt[M5MOLS_RES_MON].width,
- default_fmt[M5MOLS_RES_MON].height,
- M5MOLS_RES_MON);
- if (value >= 0)
- ret = i2c_w8_param(sd, CAT1_MONITOR_SIZE, (u8)value);
- if (!ret)
- ret = i2c_w8_param(sd, CAT1_MONITOR_FPS,
- m5mols_reg_fps[default_fps.denominator]);
- if (!ret)
- ret = m5mols_init_controls(info);
- if (!ret)
- ret = m5mols_set_ae_lock(info, false);
- if (!ret)
- ret = m5mols_set_awb_lock(info, false);
- if (!ret) {
- info->fmt[M5MOLS_RES_MON] = default_fmt[M5MOLS_RES_MON];
- info->tpf = default_fps;
-
- ret = 0;
- }
-
- return ret;
-}
-
static int m5mols_s_power(struct v4l2_subdev *sd, int on)
{
struct m5mols_info *info = to_m5mols(sd);
@@ -1233,9 +811,34 @@ static int m5mols_s_power(struct v4l2_subdev *sd, int on)
if (!ret)
ret = m5mols_sensor_armboot(sd);
if (!ret)
- ret = m5mols_setup_default(sd);
- } else {
- ret = m5mols_sensor_power(info, false);
+ ret = m5mols_init_controls(info);
+ if (ret)
+ return ret;
+
+ info->ffmt[M5MOLS_RESTYPE_MONITOR] =
+ m5mols_default_ffmt[M5MOLS_RESTYPE_MONITOR];
+ info->ffmt[M5MOLS_RESTYPE_CAPTURE] =
+ m5mols_default_ffmt[M5MOLS_RESTYPE_CAPTURE];
+ return ret;
+ }
+
+ if (is_manufacturer(info, REG_SAMSUNG_TECHWIN)) {
+ ret = m5mols_mode(info, REG_MONITOR);
+ if (!ret)
+ ret = m5mols_write(sd, AF_EXECUTE, REG_AF_STOP);
+ if (!ret)
+ ret = m5mols_write(sd, AF_MODE, REG_AF_POWEROFF);
+ if (!ret)
+ ret = m5mols_busy(sd, CAT_SYSTEM, CAT0_STATUS,
+ REG_AF_IDLE);
+ if (!ret)
+ v4l2_info(sd, "Success soft-landing lens\n");
+ }
+
+ ret = m5mols_sensor_power(info, false);
+ if (!ret) {
+ v4l2_ctrl_handler_free(&info->handle);
+ info->ctrl_sync = false;
}
return ret;
@@ -1251,334 +854,168 @@ static int m5mols_log_status(struct v4l2_subdev *sd)
}
static const struct v4l2_subdev_core_ops m5mols_core_ops = {
- .s_power = m5mols_s_power,
- .g_ctrl = v4l2_subdev_g_ctrl,
- .s_ctrl = v4l2_subdev_s_ctrl,
- .queryctrl = v4l2_subdev_queryctrl,
- .querymenu = v4l2_subdev_querymenu,
- .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
- .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
- .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
- .log_status = m5mols_log_status,
-};
-
-/**
- * __find_restype - Lookup M-5MOLS resolution type according to pixel code
- * @code: pixel code
- */
-static enum m5mols_restype __find_restype(enum v4l2_mbus_pixelcode code)
-{
- enum m5mols_restype type = M5MOLS_RESTYPE_MONITOR;
-
- do {
- if (code == default_fmt[type].code)
- return type;
- } while (type++ != SIZE_DEFAULT_FFMT);
-
- return 0;
-}
-
-/**
- * __find_resolution - Lookup preset and type of M-5MOLS's resolution
- * @mf: pixel format to find/negotiate the resolution preset for
- * @type: M-5MOLS resolution type
- * @resolution: M-5MOLS resolution preset register value
- *
- * Find nearest resolution matching resolution preset and adjust mf
- * to supported values.
- */
-static int __find_resolution(struct v4l2_subdev *sd,
- struct v4l2_mbus_framefmt *mf,
- enum m5mols_restype *type,
- u32 *resolution)
-{
- const struct m5mols_resolution *fsize = &m5mols_resolutions[0];
- const struct m5mols_resolution *match = NULL;
- enum m5mols_restype stype = __find_restype(mf->code);
- int i = ARRAY_SIZE(m5mols_resolutions);
- unsigned int min_err = ~0;
-
- while (i--) {
- int err;
- if (stype == fsize->type) {
- err = abs(fsize->width - mf->width)
- + abs(fsize->height - mf->height);
-
- if (err < min_err) {
- min_err = err;
- match = fsize;
- }
- }
- fsize++;
- }
- if (match) {
- mf->width = match->width;
- mf->height = match->height;
- *resolution = match->value;
- *type = stype;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static struct v4l2_mbus_framefmt *__find_format(struct m5mols_info *info,
- struct v4l2_subdev_fh *fh,
- enum v4l2_subdev_format_whence which,
- enum m5mols_restype type)
-{
- if (which == V4L2_SUBDEV_FORMAT_TRY)
- return fh ? v4l2_subdev_get_try_format(fh, 0) : NULL;
-
- return &info->fmt[type];
-}
-
-static int m5mols_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
- struct v4l2_subdev_format *fmt)
-{
- struct m5mols_info *info = to_m5mols(sd);
- struct v4l2_mbus_framefmt *format;
-
- if (fmt->pad != 0)
- return -EINVAL;
-
- format = __find_format(info, fh, fmt->which, info->res_type);
- if (!format)
- return -EINVAL;
-
- fmt->format = *format;
- return 0;
-}
-
-static int m5mols_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
- struct v4l2_subdev_format *fmt)
-{
- struct m5mols_info *info = to_m5mols(sd);
- struct v4l2_mbus_framefmt *format = &fmt->format;
- struct v4l2_mbus_framefmt *sfmt;
- enum m5mols_restype type;
- u32 resolution = 0;
- int ret;
-
- if (fmt->pad != 0)
- return -EINVAL;
-
- ret = __find_resolution(sd, format, &type, &resolution);
- if (ret < 0)
- return ret;
-
- sfmt = __find_format(info, fh, fmt->which, type);
- if (!sfmt)
- return 0;
-
- sfmt = &default_fmt[type];
- sfmt->width = format->width;
- sfmt->height = format->height;
-
- if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
- info->resolution = resolution;
- info->code = format->code;
- info->res_type = type;
- }
-
- return 0;
-}
-
-static int m5mols_enum_mbus_code(struct v4l2_subdev *sd,
- struct v4l2_subdev_fh *fh,
- struct v4l2_subdev_mbus_code_enum *code)
-{
- if (!code || code->index >= SIZE_DEFAULT_FFMT)
- return -EINVAL;
-
- code->code = default_fmt[code->index].code;
-
- return 0;
-}
-
-static struct v4l2_subdev_pad_ops m5mols_pad_ops = {
- .enum_mbus_code = m5mols_enum_mbus_code,
- .get_fmt = m5mols_get_fmt,
- .set_fmt = m5mols_set_fmt,
+ .s_power = m5mols_s_power,
+ .g_ctrl = v4l2_subdev_g_ctrl,
+ .s_ctrl = v4l2_subdev_s_ctrl,
+ .queryctrl = v4l2_subdev_queryctrl,
+ .querymenu = v4l2_subdev_querymenu,
+ .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
+ .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
+ .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
+ .log_status = m5mols_log_status,
};
static const struct v4l2_subdev_ops m5mols_ops = {
- .core = &m5mols_core_ops,
- .pad = &m5mols_pad_ops,
- .video = &m5mols_video_ops,
+ .core = &m5mols_core_ops,
+ .pad = &m5mols_pad_ops,
+ .video = &m5mols_video_ops,
};
-static int m5mols_link_setup(struct media_entity *entity,
- const struct media_pad *local,
- const struct media_pad *remote, u32 flags)
-{
- printk("%s\n", __func__);
- return 0;
-}
-static const struct media_entity_operations m5mols_media_ops = {
- .link_setup = m5mols_link_setup,
-};
-
-static int m5mols_init_formats(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+static void m5mols_irq_work(struct work_struct *work)
{
- struct v4l2_subdev_format format;
+ struct m5mols_info *info =
+ container_of(work, struct m5mols_info, work_irq);
+ struct v4l2_subdev *sd = &info->sd;
+ u8 reg;
+ int ret;
- memset(&format, 0, sizeof(format));
- format.pad = 0;
- format.which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE;
- format.format.code = m5mols_formats[M5MOLS_RES_MON].code;
- format.format.width = DEFAULT_SENSOR_WIDTH;
- format.format.height = DEFAULT_SENSOR_HEIGHT;
+ if (!is_powered(info) ||
+ m5mols_read_u8(sd, SYSTEM_INT_FACTOR, &info->interrupt))
+ return;
- m5mols_set_fmt(sd, fh, &format);
+ switch (info->interrupt & REG_INT_MASK) {
+ case REG_INT_AF:
+ if (!is_available_af(info))
+ break;
+ ret = m5mols_read_u8(sd, AF_STATUS, &reg);
+ v4l2_dbg(2, m5mols_debug, sd, "AF %s\n",
+ reg == REG_AF_FAIL ? "Failed" :
+ reg == REG_AF_SUCCESS ? "Success" :
+ reg == REG_AF_IDLE ? "Idle" : "Busy");
+ break;
+ case REG_INT_CAPTURE:
+ if (!test_and_set_bit(ST_CAPT_IRQ, &info->flags))
+ wake_up_interruptible(&info->irq_waitq);
- return 0;
+ v4l2_dbg(2, m5mols_debug, sd, "CAPTURE\n");
+ break;
+ default:
+ v4l2_dbg(2, m5mols_debug, sd, "Undefined: %02x\n", reg);
+ break;
+ };
}
-static int m5mols_subdev_close(struct v4l2_subdev *sd,
- struct v4l2_subdev_fh *fh)
+static irqreturn_t m5mols_irq_handler(int irq, void *data)
{
- v4l2_dbg(1, m5mols_debug, sd, "%s", __func__);
- return 0;
-}
+ struct v4l2_subdev *sd = data;
+ struct m5mols_info *info = to_m5mols(sd);
-static int m5mols_subdev_registered(struct v4l2_subdev *sd)
-{
- v4l2_dbg(1, m5mols_debug, sd, "%s", __func__);
- return 0;
-}
+ schedule_work(&info->work_irq);
-static void m5mols_subdev_unregistered(struct v4l2_subdev *sd)
-{
- v4l2_dbg(1, m5mols_debug, sd, "%s", __func__);
+ return IRQ_HANDLED;
}
-static const struct v4l2_subdev_internal_ops m5mols_v4l2_internal_ops = {
- .open = m5mols_init_formats,
- .close = m5mols_subdev_close,
- .registered = m5mols_subdev_registered,
- .unregistered = m5mols_subdev_unregistered,
-};
-
-static int m5mols_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int __devinit m5mols_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
- const struct m5mols_platform_data *pdata =
- client->dev.platform_data;
+ const struct m5mols_platform_data *pdata = client->dev.platform_data;
struct m5mols_info *info;
struct v4l2_subdev *sd;
- int ret = 0;
+ int ret;
if (pdata == NULL) {
dev_err(&client->dev, "No platform data\n");
return -EINVAL;
}
- if (!gpio_is_valid(pdata->gpio_rst)) {
- dev_err(&client->dev, "No valid nRST gpio pin.\n");
+ if (!gpio_is_valid(pdata->gpio_reset)) {
+ dev_err(&client->dev, "No valid RESET GPIO specified\n");
return -EINVAL;
}
- if (!pdata->irq) {
- dev_err(&client->dev, "Interrupt not assigned.\n");
+ if (!client->irq) {
+ dev_err(&client->dev, "Interrupt not assigned\n");
return -EINVAL;
}
info = kzalloc(sizeof(struct m5mols_info), GFP_KERNEL);
- if (info == NULL) {
- dev_err(&client->dev, "Failed to allocate info\n");
+ if (!info)
return -ENOMEM;
- }
- info->pdata = pdata;
- if (info->pdata->set_power) /* for additional power if needed. */
- info->set_power = pdata->set_power;
+ info->pdata = pdata;
+ info->set_power = pdata->set_power;
- if (info->pdata->irq) {
- INIT_WORK(&info->work, m5mols_irq_work);
- ret = request_irq(info->pdata->irq, m5mols_irq_handler,
- IRQF_TRIGGER_RISING, MOD_NAME, &info->sd);
- if (ret) {
- dev_err(&client->dev, "Failed to request irq: %d\n", ret);
- return ret;
- }
- }
-
- ret = gpio_request(info->pdata->gpio_rst, "M5MOLS nRST");
+ ret = gpio_request(pdata->gpio_reset, "M5MOLS_NRST");
if (ret) {
- dev_err(&client->dev, "Failed to set gpio, %d\n", ret);
- goto out_gpio;
+ dev_err(&client->dev, "Failed to request gpio: %d\n", ret);
+ goto out_free;
}
-
- gpio_direction_output(info->pdata->gpio_rst, !info->pdata->enable_rst);
+ gpio_direction_output(pdata->gpio_reset, pdata->reset_polarity);
ret = regulator_bulk_get(&client->dev, ARRAY_SIZE(supplies), supplies);
if (ret) {
- dev_err(&client->dev, "Failed to get regulators, %d\n", ret);
- goto out_reg;
+ dev_err(&client->dev, "Failed to get regulators: %d\n", ret);
+ goto out_gpio;
}
sd = &info->sd;
- strlcpy(sd->name, MOD_NAME, sizeof(sd->name));
-
- init_waitqueue_head(&info->cap_wait);
-
+ strlcpy(sd->name, MODULE_NAME, sizeof(sd->name));
v4l2_i2c_subdev_init(sd, client, &m5mols_ops);
+
info->pad.flags = MEDIA_PAD_FL_SOURCE;
ret = media_entity_init(&sd->entity, 1, &info->pad, 0);
if (ret < 0)
goto out_reg;
-
- m5mols_init_formats(sd, NULL);
-
sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR;
- sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
- sd->internal_ops = &m5mols_v4l2_internal_ops;
- sd->entity.ops = &m5mols_media_ops;
+ init_waitqueue_head(&info->irq_waitq);
+ INIT_WORK(&info->work_irq, m5mols_irq_work);
+ ret = request_irq(client->irq, m5mols_irq_handler,
+ IRQF_TRIGGER_RISING, MODULE_NAME, sd);
+ if (ret) {
+ dev_err(&client->dev, "Interrupt request failed: %d\n", ret);
+ goto out_me;
+ }
info->res_type = M5MOLS_RESTYPE_MONITOR;
-
- v4l2_info(sd, "%s : m5mols driver probed success\n", __func__);
-
return 0;
-
+out_me:
+ media_entity_cleanup(&sd->entity);
out_reg:
regulator_bulk_free(ARRAY_SIZE(supplies), supplies);
out_gpio:
- gpio_free(info->pdata->gpio_rst);
+ gpio_free(pdata->gpio_reset);
+out_free:
kfree(info);
-
return ret;
}
-static int m5mols_remove(struct i2c_client *client)
+static int __devexit m5mols_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct m5mols_info *info = to_m5mols(sd);
v4l2_device_unregister_subdev(sd);
- v4l2_ctrl_handler_free(&info->handle);
- free_irq(info->pdata->irq, sd);
+ free_irq(client->irq, sd);
+
regulator_bulk_free(ARRAY_SIZE(supplies), supplies);
- gpio_free(info->pdata->gpio_rst);
+ gpio_free(info->pdata->gpio_reset);
media_entity_cleanup(&sd->entity);
kfree(info);
-
return 0;
}
static const struct i2c_device_id m5mols_id[] = {
- { MOD_NAME, 0 },
+ { MODULE_NAME, 0 },
{ },
};
MODULE_DEVICE_TABLE(i2c, m5mols_id);
static struct i2c_driver m5mols_i2c_driver = {
.driver = {
- .name = MOD_NAME,
+ .name = MODULE_NAME,
},
.probe = m5mols_probe,
- .remove = m5mols_remove,
+ .remove = __devexit_p(m5mols_remove),
.id_table = m5mols_id,
};
@@ -1597,5 +1034,5 @@ module_exit(m5mols_mod_exit);
MODULE_AUTHOR("HeungJun Kim <riverful.kim@samsung.com>");
MODULE_AUTHOR("Dongsoo Kim <dongsoo45.kim@samsung.com>");
-MODULE_DESCRIPTION("Fujitsu M5MOLS 8M Pixel camera sensor with ISP driver");
+MODULE_DESCRIPTION("Fujitsu M-5MOLS 8M Pixel camera driver");
MODULE_LICENSE("GPL");