[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>

1 files changed, 0 insertions, 398 deletions

diff --git a/drivers/media/video/sh_mobile_csi2.c b/drivers/media/video/sh_mobile_csi2.c
deleted file mode 100644
index 05286500b4d4..000000000000
--- a/drivers/media/video/sh_mobile_csi2.c
+++ /dev/null
@@ -1,398 +0,0 @@
-/*
- * Driver for the SH-Mobile MIPI CSI-2 unit
- *
- * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
- *
- * 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/io.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-#include <linux/slab.h>
-#include <linux/videodev2.h>
-#include <linux/module.h>
-
-#include <media/sh_mobile_ceu.h>
-#include <media/sh_mobile_csi2.h>
-#include <media/soc_camera.h>
-#include <media/soc_mediabus.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-dev.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-mediabus.h>
-#include <media/v4l2-subdev.h>
-
-#define SH_CSI2_TREF	0x00
-#define SH_CSI2_SRST	0x04
-#define SH_CSI2_PHYCNT	0x08
-#define SH_CSI2_CHKSUM	0x0C
-#define SH_CSI2_VCDT	0x10
-
-struct sh_csi2 {
-	struct v4l2_subdev		subdev;
-	struct list_head		list;
-	unsigned int			irq;
-	unsigned long			mipi_flags;
-	void __iomem			*base;
-	struct platform_device		*pdev;
-	struct sh_csi2_client_config	*client;
-};
-
-static int sh_csi2_try_fmt(struct v4l2_subdev *sd,
-			   struct v4l2_mbus_framefmt *mf)
-{
-	struct sh_csi2 *priv = container_of(sd, struct sh_csi2, subdev);
-	struct sh_csi2_pdata *pdata = priv->pdev->dev.platform_data;
-
-	if (mf->width > 8188)
-		mf->width = 8188;
-	else if (mf->width & 1)
-		mf->width &= ~1;
-
-	switch (pdata->type) {
-	case SH_CSI2C:
-		switch (mf->code) {
-		case V4L2_MBUS_FMT_UYVY8_2X8:		/* YUV422 */
-		case V4L2_MBUS_FMT_YUYV8_1_5X8:		/* YUV420 */
-		case V4L2_MBUS_FMT_Y8_1X8:		/* RAW8 */
-		case V4L2_MBUS_FMT_SBGGR8_1X8:
-		case V4L2_MBUS_FMT_SGRBG8_1X8:
-			break;
-		default:
-			/* All MIPI CSI-2 devices must support one of primary formats */
-			mf->code = V4L2_MBUS_FMT_YUYV8_2X8;
-		}
-		break;
-	case SH_CSI2I:
-		switch (mf->code) {
-		case V4L2_MBUS_FMT_Y8_1X8:		/* RAW8 */
-		case V4L2_MBUS_FMT_SBGGR8_1X8:
-		case V4L2_MBUS_FMT_SGRBG8_1X8:
-		case V4L2_MBUS_FMT_SBGGR10_1X10:	/* RAW10 */
-		case V4L2_MBUS_FMT_SBGGR12_1X12:	/* RAW12 */
-			break;
-		default:
-			/* All MIPI CSI-2 devices must support one of primary formats */
-			mf->code = V4L2_MBUS_FMT_SBGGR8_1X8;
-		}
-		break;
-	}
-
-	return 0;
-}
-
-/*
- * We have done our best in try_fmt to try and tell the sensor, which formats
- * we support. If now the configuration is unsuitable for us we can only
- * error out.
- */
-static int sh_csi2_s_fmt(struct v4l2_subdev *sd,
-			 struct v4l2_mbus_framefmt *mf)
-{
-	struct sh_csi2 *priv = container_of(sd, struct sh_csi2, subdev);
-	u32 tmp = (priv->client->channel & 3) << 8;
-
-	dev_dbg(sd->v4l2_dev->dev, "%s(%u)\n", __func__, mf->code);
-	if (mf->width > 8188 || mf->width & 1)
-		return -EINVAL;
-
-	switch (mf->code) {
-	case V4L2_MBUS_FMT_UYVY8_2X8:
-		tmp |= 0x1e;	/* YUV422 8 bit */
-		break;
-	case V4L2_MBUS_FMT_YUYV8_1_5X8:
-		tmp |= 0x18;	/* YUV420 8 bit */
-		break;
-	case V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE:
-		tmp |= 0x21;	/* RGB555 */
-		break;
-	case V4L2_MBUS_FMT_RGB565_2X8_BE:
-		tmp |= 0x22;	/* RGB565 */
-		break;
-	case V4L2_MBUS_FMT_Y8_1X8:
-	case V4L2_MBUS_FMT_SBGGR8_1X8:
-	case V4L2_MBUS_FMT_SGRBG8_1X8:
-		tmp |= 0x2a;	/* RAW8 */
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	iowrite32(tmp, priv->base + SH_CSI2_VCDT);
-
-	return 0;
-}
-
-static int sh_csi2_g_mbus_config(struct v4l2_subdev *sd,
-				 struct v4l2_mbus_config *cfg)
-{
-	cfg->flags = V4L2_MBUS_PCLK_SAMPLE_RISING |
-		V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_HIGH |
-		V4L2_MBUS_MASTER | V4L2_MBUS_DATA_ACTIVE_HIGH;
-	cfg->type = V4L2_MBUS_PARALLEL;
-
-	return 0;
-}
-
-static int sh_csi2_s_mbus_config(struct v4l2_subdev *sd,
-				 const struct v4l2_mbus_config *cfg)
-{
-	struct sh_csi2 *priv = container_of(sd, struct sh_csi2, subdev);
-	struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
-	struct v4l2_subdev *client_sd = soc_camera_to_subdev(icd);
-	struct v4l2_mbus_config client_cfg = {.type = V4L2_MBUS_CSI2,
-					      .flags = priv->mipi_flags};
-
-	return v4l2_subdev_call(client_sd, video, s_mbus_config, &client_cfg);
-}
-
-static struct v4l2_subdev_video_ops sh_csi2_subdev_video_ops = {
-	.s_mbus_fmt	= sh_csi2_s_fmt,
-	.try_mbus_fmt	= sh_csi2_try_fmt,
-	.g_mbus_config	= sh_csi2_g_mbus_config,
-	.s_mbus_config	= sh_csi2_s_mbus_config,
-};
-
-static void sh_csi2_hwinit(struct sh_csi2 *priv)
-{
-	struct sh_csi2_pdata *pdata = priv->pdev->dev.platform_data;
-	__u32 tmp = 0x10; /* Enable MIPI CSI clock lane */
-
-	/* Reflect registers immediately */
-	iowrite32(0x00000001, priv->base + SH_CSI2_TREF);
-	/* reset CSI2 harware */
-	iowrite32(0x00000001, priv->base + SH_CSI2_SRST);
-	udelay(5);
-	iowrite32(0x00000000, priv->base + SH_CSI2_SRST);
-
-	switch (pdata->type) {
-	case SH_CSI2C:
-		if (priv->client->lanes == 1)
-			tmp |= 1;
-		else
-			/* Default - both lanes */
-			tmp |= 3;
-		break;
-	case SH_CSI2I:
-		if (!priv->client->lanes || priv->client->lanes > 4)
-			/* Default - all 4 lanes */
-			tmp |= 0xf;
-		else
-			tmp |= (1 << priv->client->lanes) - 1;
-	}
-
-	if (priv->client->phy == SH_CSI2_PHY_MAIN)
-		tmp |= 0x8000;
-
-	iowrite32(tmp, priv->base + SH_CSI2_PHYCNT);
-
-	tmp = 0;
-	if (pdata->flags & SH_CSI2_ECC)
-		tmp |= 2;
-	if (pdata->flags & SH_CSI2_CRC)
-		tmp |= 1;
-	iowrite32(tmp, priv->base + SH_CSI2_CHKSUM);
-}
-
-static int sh_csi2_client_connect(struct sh_csi2 *priv)
-{
-	struct sh_csi2_pdata *pdata = priv->pdev->dev.platform_data;
-	struct soc_camera_device *icd = v4l2_get_subdev_hostdata(&priv->subdev);
-	struct v4l2_subdev *client_sd = soc_camera_to_subdev(icd);
-	struct device *dev = v4l2_get_subdevdata(&priv->subdev);
-	struct v4l2_mbus_config cfg;
-	unsigned long common_flags, csi2_flags;
-	int i, ret;
-
-	if (priv->client)
-		return -EBUSY;
-
-	for (i = 0; i < pdata->num_clients; i++)
-		if (&pdata->clients[i].pdev->dev == icd->pdev)
-			break;
-
-	dev_dbg(dev, "%s(%p): found #%d\n", __func__, dev, i);
-
-	if (i == pdata->num_clients)
-		return -ENODEV;
-
-	/* Check if we can support this camera */
-	csi2_flags = V4L2_MBUS_CSI2_CONTINUOUS_CLOCK | V4L2_MBUS_CSI2_1_LANE;
-
-	switch (pdata->type) {
-	case SH_CSI2C:
-		if (pdata->clients[i].lanes != 1)
-			csi2_flags |= V4L2_MBUS_CSI2_2_LANE;
-		break;
-	case SH_CSI2I:
-		switch (pdata->clients[i].lanes) {
-		default:
-			csi2_flags |= V4L2_MBUS_CSI2_4_LANE;
-		case 3:
-			csi2_flags |= V4L2_MBUS_CSI2_3_LANE;
-		case 2:
-			csi2_flags |= V4L2_MBUS_CSI2_2_LANE;
-		}
-	}
-
-	cfg.type = V4L2_MBUS_CSI2;
-	ret = v4l2_subdev_call(client_sd, video, g_mbus_config, &cfg);
-	if (ret == -ENOIOCTLCMD)
-		common_flags = csi2_flags;
-	else if (!ret)
-		common_flags = soc_mbus_config_compatible(&cfg,
-							  csi2_flags);
-	else
-		common_flags = 0;
-
-	if (!common_flags)
-		return -EINVAL;
-
-	/* All good: camera MIPI configuration supported */
-	priv->mipi_flags = common_flags;
-	priv->client = pdata->clients + i;
-
-	pm_runtime_get_sync(dev);
-
-	sh_csi2_hwinit(priv);
-
-	return 0;
-}
-
-static void sh_csi2_client_disconnect(struct sh_csi2 *priv)
-{
-	if (!priv->client)
-		return;
-
-	priv->client = NULL;
-
-	pm_runtime_put(v4l2_get_subdevdata(&priv->subdev));
-}
-
-static int sh_csi2_s_power(struct v4l2_subdev *sd, int on)
-{
-	struct sh_csi2 *priv = container_of(sd, struct sh_csi2, subdev);
-
-	if (on)
-		return sh_csi2_client_connect(priv);
-
-	sh_csi2_client_disconnect(priv);
-	return 0;
-}
-
-static struct v4l2_subdev_core_ops sh_csi2_subdev_core_ops = {
-	.s_power	= sh_csi2_s_power,
-};
-
-static struct v4l2_subdev_ops sh_csi2_subdev_ops = {
-	.core	= &sh_csi2_subdev_core_ops,
-	.video	= &sh_csi2_subdev_video_ops,
-};
-
-static __devinit int sh_csi2_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	unsigned int irq;
-	int ret;
-	struct sh_csi2 *priv;
-	/* Platform data specify the PHY, lanes, ECC, CRC */
-	struct sh_csi2_pdata *pdata = pdev->dev.platform_data;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	/* Interrupt unused so far */
-	irq = platform_get_irq(pdev, 0);
-
-	if (!res || (int)irq <= 0 || !pdata) {
-		dev_err(&pdev->dev, "Not enough CSI2 platform resources.\n");
-		return -ENODEV;
-	}
-
-	/* TODO: Add support for CSI2I. Careful: different register layout! */
-	if (pdata->type != SH_CSI2C) {
-		dev_err(&pdev->dev, "Only CSI2C supported ATM.\n");
-		return -EINVAL;
-	}
-
-	priv = kzalloc(sizeof(struct sh_csi2), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-
-	priv->irq = irq;
-
-	if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
-		dev_err(&pdev->dev, "CSI2 register region already claimed\n");
-		ret = -EBUSY;
-		goto ereqreg;
-	}
-
-	priv->base = ioremap(res->start, resource_size(res));
-	if (!priv->base) {
-		ret = -ENXIO;
-		dev_err(&pdev->dev, "Unable to ioremap CSI2 registers.\n");
-		goto eremap;
-	}
-
-	priv->pdev = pdev;
-	platform_set_drvdata(pdev, priv);
-
-	v4l2_subdev_init(&priv->subdev, &sh_csi2_subdev_ops);
-	v4l2_set_subdevdata(&priv->subdev, &pdev->dev);
-
-	snprintf(priv->subdev.name, V4L2_SUBDEV_NAME_SIZE, "%s.mipi-csi",
-		 dev_name(pdata->v4l2_dev->dev));
-	ret = v4l2_device_register_subdev(pdata->v4l2_dev, &priv->subdev);
-	dev_dbg(&pdev->dev, "%s(%p): ret(register_subdev) = %d\n", __func__, priv, ret);
-	if (ret < 0)
-		goto esdreg;
-
-	pm_runtime_enable(&pdev->dev);
-
-	dev_dbg(&pdev->dev, "CSI2 probed.\n");
-
-	return 0;
-
-esdreg:
-	iounmap(priv->base);
-eremap:
-	release_mem_region(res->start, resource_size(res));
-ereqreg:
-	kfree(priv);
-
-	return ret;
-}
-
-static __devexit int sh_csi2_remove(struct platform_device *pdev)
-{
-	struct sh_csi2 *priv = platform_get_drvdata(pdev);
-	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	v4l2_device_unregister_subdev(&priv->subdev);
-	pm_runtime_disable(&pdev->dev);
-	iounmap(priv->base);
-	release_mem_region(res->start, resource_size(res));
-	platform_set_drvdata(pdev, NULL);
-	kfree(priv);
-
-	return 0;
-}
-
-static struct platform_driver __refdata sh_csi2_pdrv = {
-	.remove	= __devexit_p(sh_csi2_remove),
-	.probe	= sh_csi2_probe,
-	.driver	= {
-		.name	= "sh-mobile-csi2",
-		.owner	= THIS_MODULE,
-	},
-};
-
-module_platform_driver(sh_csi2_pdrv);
-
-MODULE_DESCRIPTION("SH-Mobile MIPI CSI-2 driver");
-MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:sh-mobile-csi2");