media: platform: rename marvell-ccic/ to marvell/

As the end goal is to have platform drivers split by vendor,
rename marvell-ccic/ to marvell/.

Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

1 files changed, 0 insertions, 380 deletions

diff --git a/drivers/media/platform/marvell-ccic/mmp-driver.c b/drivers/media/platform/marvell-ccic/mmp-driver.c
deleted file mode 100644
index df16899ab1cb..000000000000
--- a/drivers/media/platform/marvell-ccic/mmp-driver.c
+++ /dev/null
@@ -1,380 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * 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>
- * Copyright 2018 Lubomir Rintel <lkundrak@v3.sk>
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/slab.h>
-#include <linux/videodev2.h>
-#include <media/v4l2-device.h>
-#include <linux/platform_data/media/mmp-camera.h>
-#include <linux/device.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-#include <linux/io.h>
-#include <linux/list.h>
-#include <linux/pm.h>
-#include <linux/clk.h>
-
-#include "mcam-core.h"
-
-MODULE_ALIAS("platform:mmp-camera");
-MODULE_AUTHOR("Jonathan Corbet <corbet@lwn.net>");
-MODULE_LICENSE("GPL");
-
-static char *mcam_clks[] = {"axi", "func", "phy"};
-
-struct mmp_camera {
-	struct platform_device *pdev;
-	struct mcam_camera mcam;
-	struct list_head devlist;
-	struct clk *mipi_clk;
-	int irq;
-};
-
-static inline struct mmp_camera *mcam_to_cam(struct mcam_camera *mcam)
-{
-	return container_of(mcam, struct mmp_camera, mcam);
-}
-
-/*
- * calc the dphy register values
- * There are three dphy registers being used.
- * dphy[0] - CSI2_DPHY3
- * dphy[1] - CSI2_DPHY5
- * dphy[2] - CSI2_DPHY6
- * CSI2_DPHY3 and CSI2_DPHY6 can be set with a default value
- * or be calculated dynamically
- */
-static void mmpcam_calc_dphy(struct mcam_camera *mcam)
-{
-	struct mmp_camera *cam = mcam_to_cam(mcam);
-	struct mmp_camera_platform_data *pdata = cam->pdev->dev.platform_data;
-	struct device *dev = &cam->pdev->dev;
-	unsigned long tx_clk_esc;
-
-	/*
-	 * If CSI2_DPHY3 is calculated dynamically,
-	 * pdata->lane_clk should be already set
-	 * either in the board driver statically
-	 * or in the sensor driver dynamically.
-	 */
-	/*
-	 * dphy[0] - CSI2_DPHY3:
-	 *  bit 0 ~ bit 7: HS Term Enable.
-	 *   defines the time that the DPHY
-	 *   wait before enabling the data
-	 *   lane termination after detecting
-	 *   that the sensor has driven the data
-	 *   lanes to the LP00 bridge state.
-	 *   The value is calculated by:
-	 *   (Max T(D_TERM_EN)/Period(DDR)) - 1
-	 *  bit 8 ~ bit 15: HS_SETTLE
-	 *   Time interval during which the HS
-	 *   receiver shall ignore any Data Lane
-	 *   HS transitions.
-	 *   The value has been calibrated on
-	 *   different boards. It seems to work well.
-	 *
-	 *  More detail please refer
-	 *  MIPI Alliance Spectification for D-PHY
-	 *  document for explanation of HS-SETTLE
-	 *  and D-TERM-EN.
-	 */
-	switch (pdata->dphy3_algo) {
-	case DPHY3_ALGO_PXA910:
-		/*
-		 * Calculate CSI2_DPHY3 algo for PXA910
-		 */
-		pdata->dphy[0] =
-			(((1 + (pdata->lane_clk * 80) / 1000) & 0xff) << 8)
-			| (1 + pdata->lane_clk * 35 / 1000);
-		break;
-	case DPHY3_ALGO_PXA2128:
-		/*
-		 * Calculate CSI2_DPHY3 algo for PXA2128
-		 */
-		pdata->dphy[0] =
-			(((2 + (pdata->lane_clk * 110) / 1000) & 0xff) << 8)
-			| (1 + pdata->lane_clk * 35 / 1000);
-		break;
-	default:
-		/*
-		 * Use default CSI2_DPHY3 value for PXA688/PXA988
-		 */
-		dev_dbg(dev, "camera: use the default CSI2_DPHY3 value\n");
-	}
-
-	/*
-	 * mipi_clk will never be changed, it is a fixed value on MMP
-	 */
-	if (IS_ERR(cam->mipi_clk))
-		return;
-
-	/* get the escape clk, this is hard coded */
-	clk_prepare_enable(cam->mipi_clk);
-	tx_clk_esc = (clk_get_rate(cam->mipi_clk) / 1000000) / 12;
-	clk_disable_unprepare(cam->mipi_clk);
-	/*
-	 * dphy[2] - CSI2_DPHY6:
-	 * bit 0 ~ bit 7: CK Term Enable
-	 *  Time for the Clock Lane receiver to enable the HS line
-	 *  termination. The value is calculated similarly with
-	 *  HS Term Enable
-	 * bit 8 ~ bit 15: CK Settle
-	 *  Time interval during which the HS receiver shall ignore
-	 *  any Clock Lane HS transitions.
-	 *  The value is calibrated on the boards.
-	 */
-	pdata->dphy[2] =
-		((((534 * tx_clk_esc) / 2000 - 1) & 0xff) << 8)
-		| (((38 * tx_clk_esc) / 1000 - 1) & 0xff);
-
-	dev_dbg(dev, "camera: DPHY sets: dphy3=0x%x, dphy5=0x%x, dphy6=0x%x\n",
-		pdata->dphy[0], pdata->dphy[1], pdata->dphy[2]);
-}
-
-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 void mcam_init_clk(struct mcam_camera *mcam)
-{
-	unsigned int i;
-
-	for (i = 0; i < NR_MCAM_CLK; i++) {
-		if (mcam_clks[i] != NULL) {
-			/* Some clks are not necessary on some boards
-			 * We still try to run even it fails getting clk
-			 */
-			mcam->clk[i] = devm_clk_get(mcam->dev, mcam_clks[i]);
-			if (IS_ERR(mcam->clk[i]))
-				dev_warn(mcam->dev, "Could not get clk: %s\n",
-						mcam_clks[i]);
-		}
-	}
-}
-
-static int mmpcam_probe(struct platform_device *pdev)
-{
-	struct mmp_camera *cam;
-	struct mcam_camera *mcam;
-	struct resource *res;
-	struct fwnode_handle *ep;
-	struct mmp_camera_platform_data *pdata;
-	struct v4l2_async_subdev *asd;
-	int ret;
-
-	cam = devm_kzalloc(&pdev->dev, sizeof(*cam), GFP_KERNEL);
-	if (cam == NULL)
-		return -ENOMEM;
-	platform_set_drvdata(pdev, cam);
-	cam->pdev = pdev;
-	INIT_LIST_HEAD(&cam->devlist);
-
-	mcam = &cam->mcam;
-	mcam->calc_dphy = mmpcam_calc_dphy;
-	mcam->dev = &pdev->dev;
-	pdata = pdev->dev.platform_data;
-	if (pdata) {
-		mcam->mclk_src = pdata->mclk_src;
-		mcam->mclk_div = pdata->mclk_div;
-		mcam->bus_type = pdata->bus_type;
-		mcam->dphy = pdata->dphy;
-		mcam->lane = pdata->lane;
-	} else {
-		/*
-		 * These are values that used to be hardcoded in mcam-core and
-		 * work well on a OLPC XO 1.75 with a parallel bus sensor.
-		 * If it turns out other setups make sense, the values should
-		 * be obtained from the device tree.
-		 */
-		mcam->mclk_src = 3;
-		mcam->mclk_div = 2;
-	}
-	if (mcam->bus_type == V4L2_MBUS_CSI2_DPHY) {
-		cam->mipi_clk = devm_clk_get(mcam->dev, "mipi");
-		if ((IS_ERR(cam->mipi_clk) && mcam->dphy[2] == 0))
-			return PTR_ERR(cam->mipi_clk);
-	}
-	mcam->mipi_enabled = false;
-	mcam->chip_id = MCAM_ARMADA610;
-	mcam->buffer_mode = B_DMA_sg;
-	strscpy(mcam->bus_info, "platform:mmp-camera", sizeof(mcam->bus_info));
-	spin_lock_init(&mcam->dev_lock);
-	/*
-	 * Get our I/O memory.
-	 */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	mcam->regs = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(mcam->regs))
-		return PTR_ERR(mcam->regs);
-	mcam->regs_size = resource_size(res);
-
-	mcam_init_clk(mcam);
-
-	/*
-	 * Create a match of the sensor against its OF node.
-	 */
-	ep = fwnode_graph_get_next_endpoint(of_fwnode_handle(pdev->dev.of_node),
-					    NULL);
-	if (!ep)
-		return -ENODEV;
-
-	v4l2_async_nf_init(&mcam->notifier);
-
-	asd = v4l2_async_nf_add_fwnode_remote(&mcam->notifier, ep,
-					      struct v4l2_async_subdev);
-	fwnode_handle_put(ep);
-	if (IS_ERR(asd)) {
-		ret = PTR_ERR(asd);
-		goto out;
-	}
-
-	/*
-	 * Register the device with the core.
-	 */
-	ret = mccic_register(mcam);
-	if (ret)
-		return ret;
-
-	/*
-	 * Add OF clock provider.
-	 */
-	ret = of_clk_add_provider(pdev->dev.of_node, of_clk_src_simple_get,
-								mcam->mclk);
-	if (ret) {
-		dev_err(&pdev->dev, "can't add DT clock provider\n");
-		goto out;
-	}
-
-	/*
-	 * Finally, set up our IRQ now that the core is ready to
-	 * deal with it.
-	 */
-	ret = platform_get_irq(pdev, 0);
-	if (ret < 0)
-		goto out;
-	cam->irq = ret;
-	ret = devm_request_irq(&pdev->dev, cam->irq, mmpcam_irq, IRQF_SHARED,
-					"mmp-camera", mcam);
-	if (ret)
-		goto out;
-
-	pm_runtime_enable(&pdev->dev);
-	return 0;
-out:
-	mccic_shutdown(mcam);
-
-	return ret;
-}
-
-
-static int mmpcam_remove(struct mmp_camera *cam)
-{
-	struct mcam_camera *mcam = &cam->mcam;
-
-	mccic_shutdown(mcam);
-	pm_runtime_force_suspend(mcam->dev);
-	return 0;
-}
-
-static int mmpcam_platform_remove(struct platform_device *pdev)
-{
-	struct mmp_camera *cam = platform_get_drvdata(pdev);
-
-	if (cam == NULL)
-		return -ENODEV;
-	return mmpcam_remove(cam);
-}
-
-/*
- * Suspend/resume support.
- */
-
-static int __maybe_unused mmpcam_runtime_resume(struct device *dev)
-{
-	struct mmp_camera *cam = dev_get_drvdata(dev);
-	struct mcam_camera *mcam = &cam->mcam;
-	unsigned int i;
-
-	for (i = 0; i < NR_MCAM_CLK; i++) {
-		if (!IS_ERR(mcam->clk[i]))
-			clk_prepare_enable(mcam->clk[i]);
-	}
-
-	return 0;
-}
-
-static int __maybe_unused mmpcam_runtime_suspend(struct device *dev)
-{
-	struct mmp_camera *cam = dev_get_drvdata(dev);
-	struct mcam_camera *mcam = &cam->mcam;
-	int i;
-
-	for (i = NR_MCAM_CLK - 1; i >= 0; i--) {
-		if (!IS_ERR(mcam->clk[i]))
-			clk_disable_unprepare(mcam->clk[i]);
-	}
-
-	return 0;
-}
-
-static int __maybe_unused mmpcam_suspend(struct device *dev)
-{
-	struct mmp_camera *cam = dev_get_drvdata(dev);
-
-	if (!pm_runtime_suspended(dev))
-		mccic_suspend(&cam->mcam);
-	return 0;
-}
-
-static int __maybe_unused mmpcam_resume(struct device *dev)
-{
-	struct mmp_camera *cam = dev_get_drvdata(dev);
-
-	if (!pm_runtime_suspended(dev))
-		return mccic_resume(&cam->mcam);
-	return 0;
-}
-
-static const struct dev_pm_ops mmpcam_pm_ops = {
-	SET_RUNTIME_PM_OPS(mmpcam_runtime_suspend, mmpcam_runtime_resume, NULL)
-	SET_SYSTEM_SLEEP_PM_OPS(mmpcam_suspend, mmpcam_resume)
-};
-
-static const struct of_device_id mmpcam_of_match[] = {
-	{ .compatible = "marvell,mmp2-ccic", },
-	{},
-};
-MODULE_DEVICE_TABLE(of, mmpcam_of_match);
-
-static struct platform_driver mmpcam_driver = {
-	.probe		= mmpcam_probe,
-	.remove		= mmpcam_platform_remove,
-	.driver = {
-		.name	= "mmp-camera",
-		.of_match_table = of_match_ptr(mmpcam_of_match),
-		.pm = &mmpcam_pm_ops,
-	}
-};
-
-module_platform_driver(mmpcam_driver);