This driver does not appear to have ever been used by any SoC's defconfig
and does not appear to support DT. In sort it seems unused an unlikely
to be used.
Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
---
drivers/media/platform/soc_camera/Kconfig | 7 -
drivers/media/platform/soc_camera/Makefile | 1 -
drivers/media/platform/soc_camera/sh_mobile_csi2.c | 400 ---------------------
3 files changed, 408 deletions(-)
delete mode 100644 drivers/media/platform/soc_camera/sh_mobile_csi2.c
Based on the master branch of media_tree
diff --git a/drivers/media/platform/soc_camera/Kconfig b/drivers/media/platform/soc_camera/Kconfig
index f2776cd415ca..4aed9ab03aa8 100644
--- a/drivers/media/platform/soc_camera/Kconfig
+++ b/drivers/media/platform/soc_camera/Kconfig
@@ -43,13 +43,6 @@ config VIDEO_RCAR_VIN
---help---
This is a v4l2 driver for the R-Car VIN Interface
-config VIDEO_SH_MOBILE_CSI2
- tristate "SuperH Mobile MIPI CSI-2 Interface driver"
- depends on VIDEO_DEV && SOC_CAMERA && HAVE_CLK
- depends on ARCH_SHMOBILE || SUPERH || COMPILE_TEST
- ---help---
- This is a v4l2 driver for the SuperH MIPI CSI-2 Interface
-
config VIDEO_SH_MOBILE_CEU
tristate "SuperH Mobile CEU Interface driver"
depends on VIDEO_DEV && SOC_CAMERA && HAS_DMA && HAVE_CLK
diff --git a/drivers/media/platform/soc_camera/Makefile b/drivers/media/platform/soc_camera/Makefile
index 2826382dc9f8..e811182fb962 100644
--- a/drivers/media/platform/soc_camera/Makefile
+++ b/drivers/media/platform/soc_camera/Makefile
@@ -12,5 +12,4 @@ obj-$(CONFIG_VIDEO_MX3) += mx3_camera.o
obj-$(CONFIG_VIDEO_OMAP1) += omap1_camera.o
obj-$(CONFIG_VIDEO_PXA27x) += pxa_camera.o
obj-$(CONFIG_VIDEO_SH_MOBILE_CEU) += sh_mobile_ceu_camera.o
-obj-$(CONFIG_VIDEO_SH_MOBILE_CSI2) += sh_mobile_csi2.o
obj-$(CONFIG_VIDEO_RCAR_VIN) += rcar_vin.o
diff --git a/drivers/media/platform/soc_camera/sh_mobile_csi2.c b/drivers/media/platform/soc_camera/sh_mobile_csi2.c
deleted file mode 100644
index 09b18365a4b1..000000000000
--- a/drivers/media/platform/soc_camera/sh_mobile_csi2.c
+++ /dev/null
@@ -1,400 +0,0 @@
-/*
- * Driver for the SH-Mobile MIPI CSI-2 unit
- *
- * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
- *
- * 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/err.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/drv-intf/sh_mobile_ceu.h>
-#include <media/drv-intf/sh_mobile_csi2.h>
-#include <media/soc_camera.h>
-#include <media/drv-intf/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;
- unsigned int irq;
- unsigned long mipi_flags;
- void __iomem *base;
- struct platform_device *pdev;
- struct sh_csi2_client_config *client;
-};
-
-static void sh_csi2_hwinit(struct sh_csi2 *priv);
-
-static int sh_csi2_set_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *format)
-{
- struct sh_csi2 *priv = container_of(sd, struct sh_csi2, subdev);
- struct sh_csi2_pdata *pdata = priv->pdev->dev.platform_data;
- struct v4l2_mbus_framefmt *mf = &format->format;
- u32 tmp = (priv->client->channel & 3) << 8;
-
- if (format->pad)
- return -EINVAL;
-
- 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 MEDIA_BUS_FMT_UYVY8_2X8: /* YUV422 */
- case MEDIA_BUS_FMT_YUYV8_1_5X8: /* YUV420 */
- case MEDIA_BUS_FMT_Y8_1X8: /* RAW8 */
- case MEDIA_BUS_FMT_SBGGR8_1X8:
- case MEDIA_BUS_FMT_SGRBG8_1X8:
- break;
- default:
- /* All MIPI CSI-2 devices must support one of primary formats */
- mf->code = MEDIA_BUS_FMT_YUYV8_2X8;
- }
- break;
- case SH_CSI2I:
- switch (mf->code) {
- case MEDIA_BUS_FMT_Y8_1X8: /* RAW8 */
- case MEDIA_BUS_FMT_SBGGR8_1X8:
- case MEDIA_BUS_FMT_SGRBG8_1X8:
- case MEDIA_BUS_FMT_SBGGR10_1X10: /* RAW10 */
- case MEDIA_BUS_FMT_SBGGR12_1X12: /* RAW12 */
- break;
- default:
- /* All MIPI CSI-2 devices must support one of primary formats */
- mf->code = MEDIA_BUS_FMT_SBGGR8_1X8;
- }
- break;
- }
-
- if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
- cfg->try_fmt = *mf;
- return 0;
- }
-
- if (mf->width > 8188 || mf->width & 1)
- return -EINVAL;
-
- switch (mf->code) {
- case MEDIA_BUS_FMT_UYVY8_2X8:
- tmp |= 0x1e; /* YUV422 8 bit */
- break;
- case MEDIA_BUS_FMT_YUYV8_1_5X8:
- tmp |= 0x18; /* YUV420 8 bit */
- break;
- case MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE:
- tmp |= 0x21; /* RGB555 */
- break;
- case MEDIA_BUS_FMT_RGB565_2X8_BE:
- tmp |= 0x22; /* RGB565 */
- break;
- case MEDIA_BUS_FMT_Y8_1X8:
- case MEDIA_BUS_FMT_SBGGR8_1X8:
- case MEDIA_BUS_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)
-{
- struct sh_csi2 *priv = container_of(sd, struct sh_csi2, subdev);
-
- if (!priv->mipi_flags) {
- struct soc_camera_device *icd = v4l2_get_subdev_hostdata(sd);
- struct v4l2_subdev *client_sd = soc_camera_to_subdev(icd);
- struct sh_csi2_pdata *pdata = priv->pdev->dev.platform_data;
- unsigned long common_flags, csi2_flags;
- struct v4l2_mbus_config client_cfg = {.type = V4L2_MBUS_CSI2,};
- int ret;
-
- /* 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 (priv->client->lanes != 1)
- csi2_flags |= V4L2_MBUS_CSI2_2_LANE;
- break;
- case SH_CSI2I:
- switch (priv->client->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;
- }
- }
-
- ret = v4l2_subdev_call(client_sd, video, g_mbus_config, &client_cfg);
- if (ret == -ENOIOCTLCMD)
- common_flags = csi2_flags;
- else if (!ret)
- common_flags = soc_mbus_config_compatible(&client_cfg,
- csi2_flags);
- else
- common_flags = 0;
-
- if (!common_flags)
- return -EINVAL;
-
- /* All good: camera MIPI configuration supported */
- priv->mipi_flags = common_flags;
- }
-
- if (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,};
- int ret = sh_csi2_g_mbus_config(sd, NULL);
-
- if (ret < 0)
- return ret;
-
- pm_runtime_get_sync(&priv->pdev->dev);
-
- sh_csi2_hwinit(priv);
-
- client_cfg.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 = {
- .g_mbus_config = sh_csi2_g_mbus_config,
- .s_mbus_config = sh_csi2_s_mbus_config,
-};
-
-static struct v4l2_subdev_pad_ops sh_csi2_subdev_pad_ops = {
- .set_fmt = sh_csi2_set_fmt,
-};
-
-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 device *dev = v4l2_get_subdevdata(&priv->subdev);
- struct sh_csi2_pdata *pdata = dev->platform_data;
- struct soc_camera_device *icd = v4l2_get_subdev_hostdata(&priv->subdev);
- int i;
-
- if (priv->client)
- return -EBUSY;
-
- for (i = 0; i < pdata->num_clients; i++)
- if ((pdata->clients[i].pdev &&
- &pdata->clients[i].pdev->dev == icd->pdev) ||
- (icd->control &&
- strcmp(pdata->clients[i].name, dev_name(icd->control))))
- break;
-
- dev_dbg(dev, "%s(%p): found #%d\n", __func__, dev, i);
-
- if (i == pdata->num_clients)
- return -ENODEV;
-
- priv->client = pdata->clients + i;
-
- 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,
- .pad = &sh_csi2_subdev_pad_ops,
-};
-
-static 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;
-
- if (!pdata)
- return -EINVAL;
-
- priv = devm_kzalloc(&pdev->dev, sizeof(struct sh_csi2), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- /* Interrupt unused so far */
- irq = platform_get_irq(pdev, 0);
-
- if (!res || (int)irq <= 0) {
- 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->irq = irq;
-
- priv->base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(priv->base))
- return PTR_ERR(priv->base);
-
- priv->pdev = pdev;
- priv->subdev.owner = THIS_MODULE;
- priv->subdev.dev = &pdev->dev;
- platform_set_drvdata(pdev, &priv->subdev);
-
- 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(&pdev->dev));
-
- ret = v4l2_async_register_subdev(&priv->subdev);
- if (ret < 0)
- return ret;
-
- pm_runtime_enable(&pdev->dev);
-
- dev_dbg(&pdev->dev, "CSI2 probed.\n");
-
- return 0;
-}
-
-static int sh_csi2_remove(struct platform_device *pdev)
-{
- struct v4l2_subdev *subdev = platform_get_drvdata(pdev);
- struct sh_csi2 *priv = container_of(subdev, struct sh_csi2, subdev);
-
- v4l2_async_unregister_subdev(&priv->subdev);
- pm_runtime_disable(&pdev->dev);
-
- return 0;
-}
-
-static struct platform_driver __refdata sh_csi2_pdrv = {
- .remove = sh_csi2_remove,
- .probe = sh_csi2_probe,
- .driver = {
- .name = "sh-mobile-csi2",
- },
-};
-
-module_platform_driver(sh_csi2_pdrv);
-
-MODULE_DESCRIPTION("SH-Mobile MIPI CSI-2 driver");
-MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@xxxxxx>");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:sh-mobile-csi2");
--
2.1.4
