[media] rename drivers/media/video as .../platform

The remaining drivers are mostly platform drivers. Name the
dir to reflect it.

It makes sense to latter break it into a few other dirs.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 380 deletions

diff --git a/drivers/media/video/marvell-ccic/mmp-driver.c b/drivers/media/video/marvell-ccic/mmp-driver.c
deleted file mode 100644
index c4c17fe76c0..00000000000
--- a/drivers/media/video/marvell-ccic/mmp-driver.c
+++ /dev/null
@@ -1,380 +0,0 @@
-/*
- * Support for the camera device found on Marvell MMP processors; known
- * to work with the Armada 610 as used in the OLPC 1.75 system.
- *
- * Copyright 2011 Jonathan Corbet <corbet@lwn.net>
- *
- * This file may be distributed under the terms of the GNU General
- * Public License, version 2.
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/i2c.h>
-#include <linux/i2c-gpio.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/slab.h>
-#include <linux/videodev2.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
-#include <media/mmp-camera.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <linux/list.h>
-#include <linux/pm.h>
-
-#include "mcam-core.h"
-
-MODULE_ALIAS("platform:mmp-camera");
-MODULE_AUTHOR("Jonathan Corbet <corbet@lwn.net>");
-MODULE_LICENSE("GPL");
-
-struct mmp_camera {
-	void *power_regs;
-	struct platform_device *pdev;
-	struct mcam_camera mcam;
-	struct list_head devlist;
-	int irq;
-};
-
-static inline struct mmp_camera *mcam_to_cam(struct mcam_camera *mcam)
-{
-	return container_of(mcam, struct mmp_camera, mcam);
-}
-
-/*
- * A silly little infrastructure so we can keep track of our devices.
- * Chances are that we will never have more than one of them, but
- * the Armada 610 *does* have two controllers...
- */
-
-static LIST_HEAD(mmpcam_devices);
-static struct mutex mmpcam_devices_lock;
-
-static void mmpcam_add_device(struct mmp_camera *cam)
-{
-	mutex_lock(&mmpcam_devices_lock);
-	list_add(&cam->devlist, &mmpcam_devices);
-	mutex_unlock(&mmpcam_devices_lock);
-}
-
-static void mmpcam_remove_device(struct mmp_camera *cam)
-{
-	mutex_lock(&mmpcam_devices_lock);
-	list_del(&cam->devlist);
-	mutex_unlock(&mmpcam_devices_lock);
-}
-
-/*
- * Platform dev remove passes us a platform_device, and there's
- * no handy unused drvdata to stash a backpointer in.  So just
- * dig it out of our list.
- */
-static struct mmp_camera *mmpcam_find_device(struct platform_device *pdev)
-{
-	struct mmp_camera *cam;
-
-	mutex_lock(&mmpcam_devices_lock);
-	list_for_each_entry(cam, &mmpcam_devices, devlist) {
-		if (cam->pdev == pdev) {
-			mutex_unlock(&mmpcam_devices_lock);
-			return cam;
-		}
-	}
-	mutex_unlock(&mmpcam_devices_lock);
-	return NULL;
-}
-
-
-
-
-/*
- * Power-related registers; this almost certainly belongs
- * somewhere else.
- *
- * ARMADA 610 register manual, sec 7.2.1, p1842.
- */
-#define CPU_SUBSYS_PMU_BASE	0xd4282800
-#define REG_CCIC_DCGCR		0x28	/* CCIC dyn clock gate ctrl reg */
-#define REG_CCIC_CRCR		0x50	/* CCIC clk reset ctrl reg	*/
-
-/*
- * Power control.
- */
-static void mmpcam_power_up_ctlr(struct mmp_camera *cam)
-{
-	iowrite32(0x3f, cam->power_regs + REG_CCIC_DCGCR);
-	iowrite32(0x3805b, cam->power_regs + REG_CCIC_CRCR);
-	mdelay(1);
-}
-
-static void mmpcam_power_up(struct mcam_camera *mcam)
-{
-	struct mmp_camera *cam = mcam_to_cam(mcam);
-	struct mmp_camera_platform_data *pdata;
-/*
- * Turn on power and clocks to the controller.
- */
-	mmpcam_power_up_ctlr(cam);
-/*
- * Provide power to the sensor.
- */
-	mcam_reg_write(mcam, REG_CLKCTRL, 0x60000002);
-	pdata = cam->pdev->dev.platform_data;
-	gpio_set_value(pdata->sensor_power_gpio, 1);
-	mdelay(5);
-	mcam_reg_clear_bit(mcam, REG_CTRL1, 0x10000000);
-	gpio_set_value(pdata->sensor_reset_gpio, 0); /* reset is active low */
-	mdelay(5);
-	gpio_set_value(pdata->sensor_reset_gpio, 1); /* reset is active low */
-	mdelay(5);
-}
-
-static void mmpcam_power_down(struct mcam_camera *mcam)
-{
-	struct mmp_camera *cam = mcam_to_cam(mcam);
-	struct mmp_camera_platform_data *pdata;
-/*
- * Turn off clocks and set reset lines
- */
-	iowrite32(0, cam->power_regs + REG_CCIC_DCGCR);
-	iowrite32(0, cam->power_regs + REG_CCIC_CRCR);
-/*
- * Shut down the sensor.
- */
-	pdata = cam->pdev->dev.platform_data;
-	gpio_set_value(pdata->sensor_power_gpio, 0);
-	gpio_set_value(pdata->sensor_reset_gpio, 0);
-}
-
-
-static irqreturn_t mmpcam_irq(int irq, void *data)
-{
-	struct mcam_camera *mcam = data;
-	unsigned int irqs, handled;
-
-	spin_lock(&mcam->dev_lock);
-	irqs = mcam_reg_read(mcam, REG_IRQSTAT);
-	handled = mccic_irq(mcam, irqs);
-	spin_unlock(&mcam->dev_lock);
-	return IRQ_RETVAL(handled);
-}
-
-
-static int mmpcam_probe(struct platform_device *pdev)
-{
-	struct mmp_camera *cam;
-	struct mcam_camera *mcam;
-	struct resource *res;
-	struct mmp_camera_platform_data *pdata;
-	int ret;
-
-	cam = kzalloc(sizeof(*cam), GFP_KERNEL);
-	if (cam == NULL)
-		return -ENOMEM;
-	cam->pdev = pdev;
-	INIT_LIST_HEAD(&cam->devlist);
-
-	mcam = &cam->mcam;
-	mcam->plat_power_up = mmpcam_power_up;
-	mcam->plat_power_down = mmpcam_power_down;
-	mcam->dev = &pdev->dev;
-	mcam->use_smbus = 0;
-	mcam->chip_id = V4L2_IDENT_ARMADA610;
-	mcam->buffer_mode = B_DMA_sg;
-	spin_lock_init(&mcam->dev_lock);
-	/*
-	 * Get our I/O memory.
-	 */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (res == NULL) {
-		dev_err(&pdev->dev, "no iomem resource!\n");
-		ret = -ENODEV;
-		goto out_free;
-	}
-	mcam->regs = ioremap(res->start, resource_size(res));
-	if (mcam->regs == NULL) {
-		dev_err(&pdev->dev, "MMIO ioremap fail\n");
-		ret = -ENODEV;
-		goto out_free;
-	}
-	/*
-	 * Power/clock memory is elsewhere; get it too.  Perhaps this
-	 * should really be managed outside of this driver?
-	 */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (res == NULL) {
-		dev_err(&pdev->dev, "no power resource!\n");
-		ret = -ENODEV;
-		goto out_unmap1;
-	}
-	cam->power_regs = ioremap(res->start, resource_size(res));
-	if (cam->power_regs == NULL) {
-		dev_err(&pdev->dev, "power MMIO ioremap fail\n");
-		ret = -ENODEV;
-		goto out_unmap1;
-	}
-	/*
-	 * Find the i2c adapter.  This assumes, of course, that the
-	 * i2c bus is already up and functioning.
-	 */
-	pdata = pdev->dev.platform_data;
-	mcam->i2c_adapter = platform_get_drvdata(pdata->i2c_device);
-	if (mcam->i2c_adapter == NULL) {
-		ret = -ENODEV;
-		dev_err(&pdev->dev, "No i2c adapter\n");
-		goto out_unmap2;
-	}
-	/*
-	 * Sensor GPIO pins.
-	 */
-	ret = gpio_request(pdata->sensor_power_gpio, "cam-power");
-	if (ret) {
-		dev_err(&pdev->dev, "Can't get sensor power gpio %d",
-				pdata->sensor_power_gpio);
-		goto out_unmap2;
-	}
-	gpio_direction_output(pdata->sensor_power_gpio, 0);
-	ret = gpio_request(pdata->sensor_reset_gpio, "cam-reset");
-	if (ret) {
-		dev_err(&pdev->dev, "Can't get sensor reset gpio %d",
-				pdata->sensor_reset_gpio);
-		goto out_gpio;
-	}
-	gpio_direction_output(pdata->sensor_reset_gpio, 0);
-	/*
-	 * Power the device up and hand it off to the core.
-	 */
-	mmpcam_power_up(mcam);
-	ret = mccic_register(mcam);
-	if (ret)
-		goto out_gpio2;
-	/*
-	 * Finally, set up our IRQ now that the core is ready to
-	 * deal with it.
-	 */
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (res == NULL) {
-		ret = -ENODEV;
-		goto out_unregister;
-	}
-	cam->irq = res->start;
-	ret = request_irq(cam->irq, mmpcam_irq, IRQF_SHARED,
-			"mmp-camera", mcam);
-	if (ret == 0) {
-		mmpcam_add_device(cam);
-		return 0;
-	}
-
-out_unregister:
-	mccic_shutdown(mcam);
-out_gpio2:
-	mmpcam_power_down(mcam);
-	gpio_free(pdata->sensor_reset_gpio);
-out_gpio:
-	gpio_free(pdata->sensor_power_gpio);
-out_unmap2:
-	iounmap(cam->power_regs);
-out_unmap1:
-	iounmap(mcam->regs);
-out_free:
-	kfree(cam);
-	return ret;
-}
-
-
-static int mmpcam_remove(struct mmp_camera *cam)
-{
-	struct mcam_camera *mcam = &cam->mcam;
-	struct mmp_camera_platform_data *pdata;
-
-	mmpcam_remove_device(cam);
-	free_irq(cam->irq, mcam);
-	mccic_shutdown(mcam);
-	mmpcam_power_down(mcam);
-	pdata = cam->pdev->dev.platform_data;
-	gpio_free(pdata->sensor_reset_gpio);
-	gpio_free(pdata->sensor_power_gpio);
-	iounmap(cam->power_regs);
-	iounmap(mcam->regs);
-	kfree(cam);
-	return 0;
-}
-
-static int mmpcam_platform_remove(struct platform_device *pdev)
-{
-	struct mmp_camera *cam = mmpcam_find_device(pdev);
-
-	if (cam == NULL)
-		return -ENODEV;
-	return mmpcam_remove(cam);
-}
-
-/*
- * Suspend/resume support.
- */
-#ifdef CONFIG_PM
-
-static int mmpcam_suspend(struct platform_device *pdev, pm_message_t state)
-{
-	struct mmp_camera *cam = mmpcam_find_device(pdev);
-
-	if (state.event != PM_EVENT_SUSPEND)
-		return 0;
-	mccic_suspend(&cam->mcam);
-	return 0;
-}
-
-static int mmpcam_resume(struct platform_device *pdev)
-{
-	struct mmp_camera *cam = mmpcam_find_device(pdev);
-
-	/*
-	 * Power up unconditionally just in case the core tries to
-	 * touch a register even if nothing was active before; trust
-	 * me, it's better this way.
-	 */
-	mmpcam_power_up_ctlr(cam);
-	return mccic_resume(&cam->mcam);
-}
-
-#endif
-
-
-static struct platform_driver mmpcam_driver = {
-	.probe		= mmpcam_probe,
-	.remove		= mmpcam_platform_remove,
-#ifdef CONFIG_PM
-	.suspend	= mmpcam_suspend,
-	.resume		= mmpcam_resume,
-#endif
-	.driver = {
-		.name	= "mmp-camera",
-		.owner	= THIS_MODULE
-	}
-};
-
-
-static int __init mmpcam_init_module(void)
-{
-	mutex_init(&mmpcam_devices_lock);
-	return platform_driver_register(&mmpcam_driver);
-}
-
-static void __exit mmpcam_exit_module(void)
-{
-	platform_driver_unregister(&mmpcam_driver);
-	/*
-	 * platform_driver_unregister() should have emptied the list
-	 */
-	if (!list_empty(&mmpcam_devices))
-		printk(KERN_ERR "mmp_camera leaving devices behind\n");
-}
-
-module_init(mmpcam_init_module);
-module_exit(mmpcam_exit_module);