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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2015-05-20 04:08:30 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-08-16 13:18:06 -0300
commit78c66fbcec717b22fd9db4ddc95e543cfcf544af (patch)
tree72b7373abd6f42d2953a57b27c95f391a5386491 /drivers/media
parent27c039750c8ff1297632e424a4674732cc4c3c70 (diff)
[media] v4l: omap3isp: Drop platform data support
Platforms using the OMAP3 ISP have all switched to DT, drop platform data support. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/platform/Kconfig2
-rw-r--r--drivers/media/platform/omap3isp/isp.c133
-rw-r--r--drivers/media/platform/omap3isp/isp.h7
-rw-r--r--drivers/media/platform/omap3isp/ispcsiphy.h2
-rw-r--r--drivers/media/platform/omap3isp/ispvideo.c9
-rw-r--r--drivers/media/platform/omap3isp/omap3isp.h132
6 files changed, 158 insertions, 127 deletions
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 3adf686e005d..dc75694ac12d 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -86,7 +86,7 @@ config VIDEO_M32R_AR_M64278
config VIDEO_OMAP3
tristate "OMAP 3 Camera support"
depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API && ARCH_OMAP3
- depends on HAS_DMA
+ depends on HAS_DMA && OF
depends on OMAP_IOMMU
select ARM_DMA_USE_IOMMU
select VIDEOBUF2_DMA_CONTIG
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 12be830d704f..56e683b19a73 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -101,7 +101,6 @@ static const struct isp_res_mapping isp_res_maps[] = {
0x0000, /* csi2a, len 0x0170 */
0x0170, /* csiphy2, len 0x000c */
},
- .syscon_offset = 0xdc,
.phy_type = ISP_PHY_TYPE_3430,
},
{
@@ -124,7 +123,6 @@ static const struct isp_res_mapping isp_res_maps[] = {
0x0570, /* csiphy1, len 0x000c */
0x05c0, /* csi2c, len 0x0040 (2nd area) */
},
- .syscon_offset = 0x2f0,
.phy_type = ISP_PHY_TYPE_3630,
},
};
@@ -1796,47 +1794,6 @@ static void isp_unregister_entities(struct isp_device *isp)
media_device_unregister(&isp->media_dev);
}
-/*
- * isp_register_subdev - Register a sub-device
- * @isp: OMAP3 ISP device
- * @isp_subdev: platform data related to a sub-device
- *
- * Register an I2C sub-device which has not been registered by other
- * means (such as the Device Tree).
- *
- * Return a pointer to the sub-device if it has been successfully
- * registered, or NULL otherwise.
- */
-static struct v4l2_subdev *
-isp_register_subdev(struct isp_device *isp,
- struct isp_platform_subdev *isp_subdev)
-{
- struct i2c_adapter *adapter;
- struct v4l2_subdev *sd;
-
- if (isp_subdev->board_info == NULL)
- return NULL;
-
- adapter = i2c_get_adapter(isp_subdev->i2c_adapter_id);
- if (adapter == NULL) {
- dev_err(isp->dev,
- "%s: Unable to get I2C adapter %d for device %s\n",
- __func__, isp_subdev->i2c_adapter_id,
- isp_subdev->board_info->type);
- return NULL;
- }
-
- sd = v4l2_i2c_new_subdev_board(&isp->v4l2_dev, adapter,
- isp_subdev->board_info, NULL);
- if (sd == NULL) {
- dev_err(isp->dev, "%s: Unable to register subdev %s\n",
- __func__, isp_subdev->board_info->type);
- return NULL;
- }
-
- return sd;
-}
-
static int isp_link_entity(
struct isp_device *isp, struct media_entity *entity,
enum isp_interface_type interface)
@@ -1910,8 +1867,6 @@ static int isp_link_entity(
static int isp_register_entities(struct isp_device *isp)
{
- struct isp_platform_data *pdata = isp->pdata;
- struct isp_platform_subdev *isp_subdev;
int ret;
isp->media_dev.dev = isp->dev;
@@ -1968,37 +1923,6 @@ static int isp_register_entities(struct isp_device *isp)
if (ret < 0)
goto done;
- /*
- * Device Tree --- the external sub-devices will be registered
- * later. The same goes for the sub-device node registration.
- */
- if (isp->dev->of_node)
- return 0;
-
- /* Register external entities */
- for (isp_subdev = pdata ? pdata->subdevs : NULL;
- isp_subdev && isp_subdev->board_info; isp_subdev++) {
- struct v4l2_subdev *sd;
-
- sd = isp_register_subdev(isp, isp_subdev);
-
- /*
- * No bus information --- this is either a flash or a
- * lens subdev.
- */
- if (!sd || !isp_subdev->bus)
- continue;
-
- sd->host_priv = isp_subdev->bus;
-
- ret = isp_link_entity(isp, &sd->entity,
- isp_subdev->bus->interface);
- if (ret < 0)
- goto done;
- }
-
- ret = v4l2_device_register_subdev_nodes(&isp->v4l2_dev);
-
done:
if (ret < 0)
isp_unregister_entities(isp);
@@ -2402,33 +2326,24 @@ static int isp_probe(struct platform_device *pdev)
return -ENOMEM;
}
- if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) {
- ret = of_property_read_u32(pdev->dev.of_node, "ti,phy-type",
- &isp->phy_type);
- if (ret)
- return ret;
+ ret = of_property_read_u32(pdev->dev.of_node, "ti,phy-type",
+ &isp->phy_type);
+ if (ret)
+ return ret;
- isp->syscon = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
- "syscon");
- if (IS_ERR(isp->syscon))
- return PTR_ERR(isp->syscon);
+ isp->syscon = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+ "syscon");
+ if (IS_ERR(isp->syscon))
+ return PTR_ERR(isp->syscon);
- ret = of_property_read_u32_index(pdev->dev.of_node, "syscon", 1,
- &isp->syscon_offset);
- if (ret)
- return ret;
+ ret = of_property_read_u32_index(pdev->dev.of_node, "syscon", 1,
+ &isp->syscon_offset);
+ if (ret)
+ return ret;
- ret = isp_of_parse_nodes(&pdev->dev, &isp->notifier);
- if (ret < 0)
- return ret;
- } else {
- isp->pdata = pdev->dev.platform_data;
- isp->syscon = syscon_regmap_lookup_by_pdevname("syscon.0");
- if (IS_ERR(isp->syscon))
- return PTR_ERR(isp->syscon);
- dev_warn(&pdev->dev,
- "Platform data support is deprecated! Please move to DT now!\n");
- }
+ ret = isp_of_parse_nodes(&pdev->dev, &isp->notifier);
+ if (ret < 0)
+ return ret;
isp->autoidle = autoidle;
@@ -2507,11 +2422,6 @@ static int isp_probe(struct platform_device *pdev)
goto error_isp;
}
- if (!IS_ENABLED(CONFIG_OF) || !pdev->dev.of_node) {
- isp->syscon_offset = isp_res_maps[m].syscon_offset;
- isp->phy_type = isp_res_maps[m].phy_type;
- }
-
for (i = 1; i < OMAP3_ISP_IOMEM_CSI2A_REGS1; i++)
isp->mmio_base[i] =
isp->mmio_base[0] + isp_res_maps[m].offset[i];
@@ -2555,15 +2465,12 @@ static int isp_probe(struct platform_device *pdev)
if (ret < 0)
goto error_modules;
- if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) {
- isp->notifier.bound = isp_subdev_notifier_bound;
- isp->notifier.complete = isp_subdev_notifier_complete;
+ isp->notifier.bound = isp_subdev_notifier_bound;
+ isp->notifier.complete = isp_subdev_notifier_complete;
- ret = v4l2_async_notifier_register(&isp->v4l2_dev,
- &isp->notifier);
- if (ret)
- goto error_register_entities;
- }
+ ret = v4l2_async_notifier_register(&isp->v4l2_dev, &isp->notifier);
+ if (ret)
+ goto error_register_entities;
isp_core_init(isp, 1);
omap3isp_put(isp);
diff --git a/drivers/media/platform/omap3isp/isp.h b/drivers/media/platform/omap3isp/isp.h
index e579943175c4..5acc2e6511a5 100644
--- a/drivers/media/platform/omap3isp/isp.h
+++ b/drivers/media/platform/omap3isp/isp.h
@@ -17,7 +17,6 @@
#ifndef OMAP3_ISP_CORE_H
#define OMAP3_ISP_CORE_H
-#include <media/omap3isp.h>
#include <media/v4l2-async.h>
#include <media/v4l2-device.h>
#include <linux/clk-provider.h>
@@ -27,6 +26,7 @@
#include <linux/platform_device.h>
#include <linux/wait.h>
+#include "omap3isp.h"
#include "ispstat.h"
#include "ispccdc.h"
#include "ispreg.h"
@@ -101,15 +101,11 @@ struct regmap;
* struct isp_res_mapping - Map ISP io resources to ISP revision.
* @isp_rev: ISP_REVISION_x_x
* @offset: register offsets of various ISP sub-blocks
- * @syscon_offset: offset of the syscon register for 343x / 3630
- * (CONTROL_CSIRXFE / CONTROL_CAMERA_PHY_CTRL, respectively)
- * from the syscon base address
* @phy_type: ISP_PHY_TYPE_{3430,3630}
*/
struct isp_res_mapping {
u32 isp_rev;
u32 offset[OMAP3_ISP_IOMEM_LAST];
- u32 syscon_offset;
u32 phy_type;
};
@@ -184,7 +180,6 @@ struct isp_device {
u32 revision;
/* platform HW resources */
- struct isp_platform_data *pdata;
unsigned int irq_num;
void __iomem *mmio_base[OMAP3_ISP_IOMEM_LAST];
diff --git a/drivers/media/platform/omap3isp/ispcsiphy.h b/drivers/media/platform/omap3isp/ispcsiphy.h
index e17c88beab92..28b63b28f9f7 100644
--- a/drivers/media/platform/omap3isp/ispcsiphy.h
+++ b/drivers/media/platform/omap3isp/ispcsiphy.h
@@ -17,7 +17,7 @@
#ifndef OMAP3_ISP_CSI_PHY_H
#define OMAP3_ISP_CSI_PHY_H
-#include <media/omap3isp.h>
+#include "omap3isp.h"
struct isp_csi2_device;
struct regulator;
diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c
index d285af18df7f..41bb8df91f72 100644
--- a/drivers/media/platform/omap3isp/ispvideo.c
+++ b/drivers/media/platform/omap3isp/ispvideo.c
@@ -1018,8 +1018,7 @@ isp_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
pipe->entities = 0;
- if (video->isp->pdata && video->isp->pdata->set_constraints)
- video->isp->pdata->set_constraints(video->isp, true);
+ /* TODO: Implement PM QoS */
pipe->l3_ick = clk_get_rate(video->isp->clock[ISP_CLK_L3_ICK]);
pipe->max_rate = pipe->l3_ick;
@@ -1100,8 +1099,7 @@ err_set_stream:
err_check_format:
media_entity_pipeline_stop(&video->video.entity);
err_pipeline_start:
- if (video->isp->pdata && video->isp->pdata->set_constraints)
- video->isp->pdata->set_constraints(video->isp, false);
+ /* TODO: Implement PM QoS */
/* The DMA queue must be emptied here, otherwise CCDC interrupts that
* will get triggered the next time the CCDC is powered up will try to
* access buffers that might have been freed but still present in the
@@ -1161,8 +1159,7 @@ isp_video_streamoff(struct file *file, void *fh, enum v4l2_buf_type type)
video->queue = NULL;
video->error = false;
- if (video->isp->pdata && video->isp->pdata->set_constraints)
- video->isp->pdata->set_constraints(video->isp, false);
+ /* TODO: Implement PM QoS */
media_entity_pipeline_stop(&video->video.entity);
done:
diff --git a/drivers/media/platform/omap3isp/omap3isp.h b/drivers/media/platform/omap3isp/omap3isp.h
new file mode 100644
index 000000000000..190e259a6a2d
--- /dev/null
+++ b/drivers/media/platform/omap3isp/omap3isp.h
@@ -0,0 +1,132 @@
+/*
+ * omap3isp.h
+ *
+ * TI OMAP3 ISP - Bus Configuration
+ *
+ * Copyright (C) 2011 Nokia Corporation
+ *
+ * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ * Sakari Ailus <sakari.ailus@iki.fi>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef __OMAP3ISP_H__
+#define __OMAP3ISP_H__
+
+enum isp_interface_type {
+ ISP_INTERFACE_PARALLEL,
+ ISP_INTERFACE_CSI2A_PHY2,
+ ISP_INTERFACE_CCP2B_PHY1,
+ ISP_INTERFACE_CCP2B_PHY2,
+ ISP_INTERFACE_CSI2C_PHY1,
+};
+
+/**
+ * struct isp_parallel_cfg - Parallel interface configuration
+ * @data_lane_shift: Data lane shifter
+ * 0 - CAMEXT[13:0] -> CAM[13:0]
+ * 1 - CAMEXT[13:2] -> CAM[11:0]
+ * 2 - CAMEXT[13:4] -> CAM[9:0]
+ * 3 - CAMEXT[13:6] -> CAM[7:0]
+ * @clk_pol: Pixel clock polarity
+ * 0 - Sample on rising edge, 1 - Sample on falling edge
+ * @hs_pol: Horizontal synchronization polarity
+ * 0 - Active high, 1 - Active low
+ * @vs_pol: Vertical synchronization polarity
+ * 0 - Active high, 1 - Active low
+ * @fld_pol: Field signal polarity
+ * 0 - Positive, 1 - Negative
+ * @data_pol: Data polarity
+ * 0 - Normal, 1 - One's complement
+ */
+struct isp_parallel_cfg {
+ unsigned int data_lane_shift:2;
+ unsigned int clk_pol:1;
+ unsigned int hs_pol:1;
+ unsigned int vs_pol:1;
+ unsigned int fld_pol:1;
+ unsigned int data_pol:1;
+};
+
+enum {
+ ISP_CCP2_PHY_DATA_CLOCK = 0,
+ ISP_CCP2_PHY_DATA_STROBE = 1,
+};
+
+enum {
+ ISP_CCP2_MODE_MIPI = 0,
+ ISP_CCP2_MODE_CCP2 = 1,
+};
+
+/**
+ * struct isp_csiphy_lane: CCP2/CSI2 lane position and polarity
+ * @pos: position of the lane
+ * @pol: polarity of the lane
+ */
+struct isp_csiphy_lane {
+ u8 pos;
+ u8 pol;
+};
+
+#define ISP_CSIPHY1_NUM_DATA_LANES 1
+#define ISP_CSIPHY2_NUM_DATA_LANES 2
+
+/**
+ * struct isp_csiphy_lanes_cfg - CCP2/CSI2 lane configuration
+ * @data: Configuration of one or two data lanes
+ * @clk: Clock lane configuration
+ */
+struct isp_csiphy_lanes_cfg {
+ struct isp_csiphy_lane data[ISP_CSIPHY2_NUM_DATA_LANES];
+ struct isp_csiphy_lane clk;
+};
+
+/**
+ * struct isp_ccp2_cfg - CCP2 interface configuration
+ * @strobe_clk_pol: Strobe/clock polarity
+ * 0 - Non Inverted, 1 - Inverted
+ * @crc: Enable the cyclic redundancy check
+ * @ccp2_mode: Enable CCP2 compatibility mode
+ * ISP_CCP2_MODE_MIPI - MIPI-CSI1 mode
+ * ISP_CCP2_MODE_CCP2 - CCP2 mode
+ * @phy_layer: Physical layer selection
+ * ISP_CCP2_PHY_DATA_CLOCK - Data/clock physical layer
+ * ISP_CCP2_PHY_DATA_STROBE - Data/strobe physical layer
+ * @vpclk_div: Video port output clock control
+ */
+struct isp_ccp2_cfg {
+ unsigned int strobe_clk_pol:1;
+ unsigned int crc:1;
+ unsigned int ccp2_mode:1;
+ unsigned int phy_layer:1;
+ unsigned int vpclk_div:2;
+ struct isp_csiphy_lanes_cfg lanecfg;
+};
+
+/**
+ * struct isp_csi2_cfg - CSI2 interface configuration
+ * @crc: Enable the cyclic redundancy check
+ */
+struct isp_csi2_cfg {
+ unsigned crc:1;
+ struct isp_csiphy_lanes_cfg lanecfg;
+};
+
+struct isp_bus_cfg {
+ enum isp_interface_type interface;
+ union {
+ struct isp_parallel_cfg parallel;
+ struct isp_ccp2_cfg ccp2;
+ struct isp_csi2_cfg csi2;
+ } bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
+};
+
+#endif /* __OMAP3ISP_H__ */

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