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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 17:15:52 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 16:42:46 -0300
commit2a2d1cf46500ab7599d0b45ee837f3936763ccac (patch)
treee21c493977601e02e0425a120795218a58e4c88d /drivers/media/video/imx074.c
parentcb7a01ac324bf2ee2c666f37ac867e4135f9785a (diff)
[media] move soc_camera i2c drivers into its own dir
Move all soc_camera i2c drivers into drivers/media/i2c/soc_camera/. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/imx074.c')
-rw-r--r--drivers/media/video/imx074.c475
1 files changed, 0 insertions, 475 deletions
diff --git a/drivers/media/video/imx074.c b/drivers/media/video/imx074.c
deleted file mode 100644
index 351e9bafe8f..00000000000
--- a/drivers/media/video/imx074.c
+++ /dev/null
@@ -1,475 +0,0 @@
-/*
- * Driver for IMX074 CMOS Image Sensor from Sony
- *
- * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
- *
- * Partially inspired by the IMX074 driver from the Android / MSM tree
- *
- * 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.
- */
-
-#include <linux/delay.h>
-#include <linux/i2c.h>
-#include <linux/v4l2-mediabus.h>
-#include <linux/slab.h>
-#include <linux/videodev2.h>
-#include <linux/module.h>
-
-#include <media/soc_camera.h>
-#include <media/v4l2-subdev.h>
-#include <media/v4l2-chip-ident.h>
-
-/* IMX074 registers */
-
-#define MODE_SELECT 0x0100
-#define IMAGE_ORIENTATION 0x0101
-#define GROUPED_PARAMETER_HOLD 0x0104
-
-/* Integration Time */
-#define COARSE_INTEGRATION_TIME_HI 0x0202
-#define COARSE_INTEGRATION_TIME_LO 0x0203
-/* Gain */
-#define ANALOGUE_GAIN_CODE_GLOBAL_HI 0x0204
-#define ANALOGUE_GAIN_CODE_GLOBAL_LO 0x0205
-
-/* PLL registers */
-#define PRE_PLL_CLK_DIV 0x0305
-#define PLL_MULTIPLIER 0x0307
-#define PLSTATIM 0x302b
-#define VNDMY_ABLMGSHLMT 0x300a
-#define Y_OPBADDR_START_DI 0x3014
-/* mode setting */
-#define FRAME_LENGTH_LINES_HI 0x0340
-#define FRAME_LENGTH_LINES_LO 0x0341
-#define LINE_LENGTH_PCK_HI 0x0342
-#define LINE_LENGTH_PCK_LO 0x0343
-#define YADDR_START 0x0347
-#define YADDR_END 0x034b
-#define X_OUTPUT_SIZE_MSB 0x034c
-#define X_OUTPUT_SIZE_LSB 0x034d
-#define Y_OUTPUT_SIZE_MSB 0x034e
-#define Y_OUTPUT_SIZE_LSB 0x034f
-#define X_EVEN_INC 0x0381
-#define X_ODD_INC 0x0383
-#define Y_EVEN_INC 0x0385
-#define Y_ODD_INC 0x0387
-
-#define HMODEADD 0x3001
-#define VMODEADD 0x3016
-#define VAPPLINE_START 0x3069
-#define VAPPLINE_END 0x306b
-#define SHUTTER 0x3086
-#define HADDAVE 0x30e8
-#define LANESEL 0x3301
-
-/* IMX074 supported geometry */
-#define IMX074_WIDTH 1052
-#define IMX074_HEIGHT 780
-
-/* IMX074 has only one fixed colorspace per pixelcode */
-struct imx074_datafmt {
- enum v4l2_mbus_pixelcode code;
- enum v4l2_colorspace colorspace;
-};
-
-struct imx074 {
- struct v4l2_subdev subdev;
- const struct imx074_datafmt *fmt;
-};
-
-static const struct imx074_datafmt imx074_colour_fmts[] = {
- {V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB},
-};
-
-static struct imx074 *to_imx074(const struct i2c_client *client)
-{
- return container_of(i2c_get_clientdata(client), struct imx074, subdev);
-}
-
-/* Find a data format by a pixel code in an array */
-static const struct imx074_datafmt *imx074_find_datafmt(enum v4l2_mbus_pixelcode code)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(imx074_colour_fmts); i++)
- if (imx074_colour_fmts[i].code == code)
- return imx074_colour_fmts + i;
-
- return NULL;
-}
-
-static int reg_write(struct i2c_client *client, const u16 addr, const u8 data)
-{
- struct i2c_adapter *adap = client->adapter;
- struct i2c_msg msg;
- unsigned char tx[3];
- int ret;
-
- msg.addr = client->addr;
- msg.buf = tx;
- msg.len = 3;
- msg.flags = 0;
-
- tx[0] = addr >> 8;
- tx[1] = addr & 0xff;
- tx[2] = data;
-
- ret = i2c_transfer(adap, &msg, 1);
-
- mdelay(2);
-
- return ret == 1 ? 0 : -EIO;
-}
-
-static int reg_read(struct i2c_client *client, const u16 addr)
-{
- u8 buf[2] = {addr >> 8, addr & 0xff};
- int ret;
- struct i2c_msg msgs[] = {
- {
- .addr = client->addr,
- .flags = 0,
- .len = 2,
- .buf = buf,
- }, {
- .addr = client->addr,
- .flags = I2C_M_RD,
- .len = 2,
- .buf = buf,
- },
- };
-
- ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
- if (ret < 0) {
- dev_warn(&client->dev, "Reading register %x from %x failed\n",
- addr, client->addr);
- return ret;
- }
-
- return buf[0] & 0xff; /* no sign-extension */
-}
-
-static int imx074_try_fmt(struct v4l2_subdev *sd,
- struct v4l2_mbus_framefmt *mf)
-{
- const struct imx074_datafmt *fmt = imx074_find_datafmt(mf->code);
-
- dev_dbg(sd->v4l2_dev->dev, "%s(%u)\n", __func__, mf->code);
-
- if (!fmt) {
- mf->code = imx074_colour_fmts[0].code;
- mf->colorspace = imx074_colour_fmts[0].colorspace;
- }
-
- mf->width = IMX074_WIDTH;
- mf->height = IMX074_HEIGHT;
- mf->field = V4L2_FIELD_NONE;
-
- return 0;
-}
-
-static int imx074_s_fmt(struct v4l2_subdev *sd,
- struct v4l2_mbus_framefmt *mf)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct imx074 *priv = to_imx074(client);
-
- dev_dbg(sd->v4l2_dev->dev, "%s(%u)\n", __func__, mf->code);
-
- /* MIPI CSI could have changed the format, double-check */
- if (!imx074_find_datafmt(mf->code))
- return -EINVAL;
-
- imx074_try_fmt(sd, mf);
-
- priv->fmt = imx074_find_datafmt(mf->code);
-
- return 0;
-}
-
-static int imx074_g_fmt(struct v4l2_subdev *sd,
- struct v4l2_mbus_framefmt *mf)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct imx074 *priv = to_imx074(client);
-
- const struct imx074_datafmt *fmt = priv->fmt;
-
- mf->code = fmt->code;
- mf->colorspace = fmt->colorspace;
- mf->width = IMX074_WIDTH;
- mf->height = IMX074_HEIGHT;
- mf->field = V4L2_FIELD_NONE;
-
- return 0;
-}
-
-static int imx074_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
-{
- struct v4l2_rect *rect = &a->c;
-
- a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- rect->top = 0;
- rect->left = 0;
- rect->width = IMX074_WIDTH;
- rect->height = IMX074_HEIGHT;
-
- return 0;
-}
-
-static int imx074_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
-{
- a->bounds.left = 0;
- a->bounds.top = 0;
- a->bounds.width = IMX074_WIDTH;
- a->bounds.height = IMX074_HEIGHT;
- a->defrect = a->bounds;
- a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- a->pixelaspect.numerator = 1;
- a->pixelaspect.denominator = 1;
-
- return 0;
-}
-
-static int imx074_enum_fmt(struct v4l2_subdev *sd, unsigned int index,
- enum v4l2_mbus_pixelcode *code)
-{
- if ((unsigned int)index >= ARRAY_SIZE(imx074_colour_fmts))
- return -EINVAL;
-
- *code = imx074_colour_fmts[index].code;
- return 0;
-}
-
-static int imx074_s_stream(struct v4l2_subdev *sd, int enable)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- /* MODE_SELECT: stream or standby */
- return reg_write(client, MODE_SELECT, !!enable);
-}
-
-static int imx074_g_chip_ident(struct v4l2_subdev *sd,
- struct v4l2_dbg_chip_ident *id)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
- return -EINVAL;
-
- if (id->match.addr != client->addr)
- return -ENODEV;
-
- id->ident = V4L2_IDENT_IMX074;
- id->revision = 0;
-
- return 0;
-}
-
-static int imx074_g_mbus_config(struct v4l2_subdev *sd,
- struct v4l2_mbus_config *cfg)
-{
- cfg->type = V4L2_MBUS_CSI2;
- cfg->flags = V4L2_MBUS_CSI2_2_LANE |
- V4L2_MBUS_CSI2_CHANNEL_0 |
- V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
-
- return 0;
-}
-
-static struct v4l2_subdev_video_ops imx074_subdev_video_ops = {
- .s_stream = imx074_s_stream,
- .s_mbus_fmt = imx074_s_fmt,
- .g_mbus_fmt = imx074_g_fmt,
- .try_mbus_fmt = imx074_try_fmt,
- .enum_mbus_fmt = imx074_enum_fmt,
- .g_crop = imx074_g_crop,
- .cropcap = imx074_cropcap,
- .g_mbus_config = imx074_g_mbus_config,
-};
-
-static struct v4l2_subdev_core_ops imx074_subdev_core_ops = {
- .g_chip_ident = imx074_g_chip_ident,
-};
-
-static struct v4l2_subdev_ops imx074_subdev_ops = {
- .core = &imx074_subdev_core_ops,
- .video = &imx074_subdev_video_ops,
-};
-
-static int imx074_video_probe(struct i2c_client *client)
-{
- int ret;
- u16 id;
-
- /* Read sensor Model ID */
- ret = reg_read(client, 0);
- if (ret < 0)
- return ret;
-
- id = ret << 8;
-
- ret = reg_read(client, 1);
- if (ret < 0)
- return ret;
-
- id |= ret;
-
- dev_info(&client->dev, "Chip ID 0x%04x detected\n", id);
-
- if (id != 0x74)
- return -ENODEV;
-
- /* PLL Setting EXTCLK=24MHz, 22.5times */
- reg_write(client, PLL_MULTIPLIER, 0x2D);
- reg_write(client, PRE_PLL_CLK_DIV, 0x02);
- reg_write(client, PLSTATIM, 0x4B);
-
- /* 2-lane mode */
- reg_write(client, 0x3024, 0x00);
-
- reg_write(client, IMAGE_ORIENTATION, 0x00);
-
- /* select RAW mode:
- * 0x08+0x08 = top 8 bits
- * 0x0a+0x08 = compressed 8-bits
- * 0x0a+0x0a = 10 bits
- */
- reg_write(client, 0x0112, 0x08);
- reg_write(client, 0x0113, 0x08);
-
- /* Base setting for High frame mode */
- reg_write(client, VNDMY_ABLMGSHLMT, 0x80);
- reg_write(client, Y_OPBADDR_START_DI, 0x08);
- reg_write(client, 0x3015, 0x37);
- reg_write(client, 0x301C, 0x01);
- reg_write(client, 0x302C, 0x05);
- reg_write(client, 0x3031, 0x26);
- reg_write(client, 0x3041, 0x60);
- reg_write(client, 0x3051, 0x24);
- reg_write(client, 0x3053, 0x34);
- reg_write(client, 0x3057, 0xC0);
- reg_write(client, 0x305C, 0x09);
- reg_write(client, 0x305D, 0x07);
- reg_write(client, 0x3060, 0x30);
- reg_write(client, 0x3065, 0x00);
- reg_write(client, 0x30AA, 0x08);
- reg_write(client, 0x30AB, 0x1C);
- reg_write(client, 0x30B0, 0x32);
- reg_write(client, 0x30B2, 0x83);
- reg_write(client, 0x30D3, 0x04);
- reg_write(client, 0x3106, 0x78);
- reg_write(client, 0x310C, 0x82);
- reg_write(client, 0x3304, 0x05);
- reg_write(client, 0x3305, 0x04);
- reg_write(client, 0x3306, 0x11);
- reg_write(client, 0x3307, 0x02);
- reg_write(client, 0x3308, 0x0C);
- reg_write(client, 0x3309, 0x06);
- reg_write(client, 0x330A, 0x08);
- reg_write(client, 0x330B, 0x04);
- reg_write(client, 0x330C, 0x08);
- reg_write(client, 0x330D, 0x06);
- reg_write(client, 0x330E, 0x01);
- reg_write(client, 0x3381, 0x00);
-
- /* V : 1/2V-addition (1,3), H : 1/2H-averaging (1,3) -> Full HD */
- /* 1608 = 1560 + 48 (black lines) */
- reg_write(client, FRAME_LENGTH_LINES_HI, 0x06);
- reg_write(client, FRAME_LENGTH_LINES_LO, 0x48);
- reg_write(client, YADDR_START, 0x00);
- reg_write(client, YADDR_END, 0x2F);
- /* 0x838 == 2104 */
- reg_write(client, X_OUTPUT_SIZE_MSB, 0x08);
- reg_write(client, X_OUTPUT_SIZE_LSB, 0x38);
- /* 0x618 == 1560 */
- reg_write(client, Y_OUTPUT_SIZE_MSB, 0x06);
- reg_write(client, Y_OUTPUT_SIZE_LSB, 0x18);
- reg_write(client, X_EVEN_INC, 0x01);
- reg_write(client, X_ODD_INC, 0x03);
- reg_write(client, Y_EVEN_INC, 0x01);
- reg_write(client, Y_ODD_INC, 0x03);
- reg_write(client, HMODEADD, 0x00);
- reg_write(client, VMODEADD, 0x16);
- reg_write(client, VAPPLINE_START, 0x24);
- reg_write(client, VAPPLINE_END, 0x53);
- reg_write(client, SHUTTER, 0x00);
- reg_write(client, HADDAVE, 0x80);
-
- reg_write(client, LANESEL, 0x00);
-
- reg_write(client, GROUPED_PARAMETER_HOLD, 0x00); /* off */
-
- return 0;
-}
-
-static int imx074_probe(struct i2c_client *client,
- const struct i2c_device_id *did)
-{
- struct imx074 *priv;
- struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
- struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
- int ret;
-
- if (!icl) {
- dev_err(&client->dev, "IMX074: missing platform data!\n");
- return -EINVAL;
- }
-
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
- dev_warn(&adapter->dev,
- "I2C-Adapter doesn't support I2C_FUNC_SMBUS_BYTE\n");
- return -EIO;
- }
-
- priv = kzalloc(sizeof(struct imx074), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
-
- v4l2_i2c_subdev_init(&priv->subdev, client, &imx074_subdev_ops);
-
- priv->fmt = &imx074_colour_fmts[0];
-
- ret = imx074_video_probe(client);
- if (ret < 0) {
- kfree(priv);
- return ret;
- }
-
- return ret;
-}
-
-static int imx074_remove(struct i2c_client *client)
-{
- struct imx074 *priv = to_imx074(client);
- struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
-
- if (icl->free_bus)
- icl->free_bus(icl);
- kfree(priv);
-
- return 0;
-}
-
-static const struct i2c_device_id imx074_id[] = {
- { "imx074", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, imx074_id);
-
-static struct i2c_driver imx074_i2c_driver = {
- .driver = {
- .name = "imx074",
- },
- .probe = imx074_probe,
- .remove = imx074_remove,
- .id_table = imx074_id,
-};
-
-module_i2c_driver(imx074_i2c_driver);
-
-MODULE_DESCRIPTION("Sony IMX074 Camera driver");
-MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>");
-MODULE_LICENSE("GPL v2");