This patch adds the soc_camera support in the platform driver: mmp-driver.c.
Specified board driver also should be modified to support soc_camera by passing
some platform datas to platform driver.
Currently the soc_camera mode in mmp driver only supports B_DMA_contig mode.
Signed-off-by: Libin Yang <lbyang@xxxxxxxxxxx>
Signed-off-by: Albert Wang <twang13@xxxxxxxxxxx>
---
drivers/media/platform/Makefile | 4 +-
drivers/media/platform/marvell-ccic/Kconfig | 22 ++++++
drivers/media/platform/marvell-ccic/mmp-driver.c | 80 +++++++++++++++++++---
include/media/mmp-camera.h | 2 +
4 files changed, 97 insertions(+), 11 deletions(-)
diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile
index baaa550..feae003 100644
--- a/drivers/media/platform/Makefile
+++ b/drivers/media/platform/Makefile
@@ -11,8 +11,8 @@ obj-$(CONFIG_VIDEO_TIMBERDALE) += timblogiw.o
obj-$(CONFIG_VIDEO_M32R_AR_M64278) += arv.o
obj-$(CONFIG_VIDEO_VIA_CAMERA) += via-camera.o
-obj-$(CONFIG_VIDEO_CAFE_CCIC) += marvell-ccic/
-obj-$(CONFIG_VIDEO_MMP_CAMERA) += marvell-ccic/
+
+obj-$(CONFIG_VIDEO_MARVELL_CCIC) += marvell-ccic/
obj-$(CONFIG_VIDEO_OMAP2) += omap2cam.o
obj-$(CONFIG_VIDEO_OMAP3) += omap3isp/
diff --git a/drivers/media/platform/marvell-ccic/Kconfig b/drivers/media/platform/marvell-ccic/Kconfig
index bf739e3..6e3eaa0 100755
--- a/drivers/media/platform/marvell-ccic/Kconfig
+++ b/drivers/media/platform/marvell-ccic/Kconfig
@@ -1,23 +1,45 @@
+config VIDEO_MARVELL_CCIC
+ tristate
+config VIDEO_MRVL_SOC_CAMERA
+ tristate
+
config VIDEO_CAFE_CCIC
tristate "Marvell 88ALP01 (Cafe) CMOS Camera Controller support"
depends on PCI && I2C && VIDEO_V4L2
select VIDEO_OV7670
select VIDEOBUF2_VMALLOC
select VIDEOBUF2_DMA_CONTIG
+ select VIDEO_MARVELL_CCIC
---help---
This is a video4linux2 driver for the Marvell 88ALP01 integrated
CMOS camera controller. This is the controller found on first-
generation OLPC systems.
+choice
+ prompt "Camera support on Marvell MMP"
+ depends on ARCH_MMP && VIDEO_V4L2
+ optional
config VIDEO_MMP_CAMERA
tristate "Marvell Armada 610 integrated camera controller support"
depends on ARCH_MMP && I2C && VIDEO_V4L2
select VIDEO_OV7670
select I2C_GPIO
select VIDEOBUF2_DMA_SG
+ select VIDEO_MARVELL_CCIC
---help---
This is a Video4Linux2 driver for the integrated camera
controller found on Marvell Armada 610 application
processors (and likely beyond). This is the controller found
in OLPC XO 1.75 systems.
+config VIDEO_MMP_SOC_CAMERA
+ bool "Marvell MMP camera driver based on SOC_CAMERA"
+ depends on VIDEO_DEV && SOC_CAMERA && ARCH_MMP && VIDEO_V4L2
+ select VIDEOBUF2_DMA_CONTIG
+ select VIDEO_MARVELL_CCIC
+ select VIDEO_MRVL_SOC_CAMERA
+ ---help---
+ This is a Video4Linux2 driver for the Marvell Mobile Soc
+ PXA910/PXA688/PXA2128/PXA988 CCIC
+ (CMOS Camera Interface Controller)
+endchoice
diff --git a/drivers/media/platform/marvell-ccic/mmp-driver.c b/drivers/media/platform/marvell-ccic/mmp-driver.c
index c3031e7..bea7224 100755
--- a/drivers/media/platform/marvell-ccic/mmp-driver.c
+++ b/drivers/media/platform/marvell-ccic/mmp-driver.c
@@ -4,6 +4,12 @@
*
* Copyright 2011 Jonathan Corbet <corbet@xxxxxxx>
*
+ * History:
+ * Support Soc Camera
+ * Support MIPI interface and Dual CCICs in Soc Camera mode
+ * Sep-2012: Libin Yang <lbyang@xxxxxxxxxxx>
+ * Albert Wang <twang13@xxxxxxxxxxx>
+ *
* This file may be distributed under the terms of the GNU General
* Public License, version 2.
*/
@@ -28,6 +34,10 @@
#include <linux/list.h>
#include <linux/pm.h>
#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+#include <media/videobuf2-dma-contig.h>
+#include <media/soc_camera.h>
+#include <media/soc_mediabus.h>
#include "mcam-core.h"
@@ -40,6 +50,8 @@ struct mmp_camera {
struct platform_device *pdev;
struct mcam_camera mcam;
struct list_head devlist;
+ /* will change here */
+ struct clk *clk[3]; /* CCIC_GATE, CCIC_RST, CCIC_DBG clocks */
int irq;
};
@@ -135,7 +147,9 @@ static void mmpcam_power_up_ctlr(struct mmp_camera *cam)
static void mmpcam_power_up(struct mcam_camera *mcam)
{
struct mmp_camera *cam = mcam_to_cam(mcam);
+#ifndef CONFIG_VIDEO_MMP_SOC_CAMERA
struct mmp_camera_platform_data *pdata;
+#endif
/*
* Turn on power and clocks to the controller.
*/
@@ -144,34 +158,40 @@ static void mmpcam_power_up(struct mcam_camera *mcam)
* Provide power to the sensor.
*/
mcam_reg_write(mcam, REG_CLKCTRL, 0x60000002);
+#ifndef CONFIG_VIDEO_MMP_SOC_CAMERA
pdata = cam->pdev->dev.platform_data;
gpio_set_value(pdata->sensor_power_gpio, 1);
mdelay(5);
+#endif
mcam_reg_clear_bit(mcam, REG_CTRL1, 0x10000000);
+#ifndef CONFIG_VIDEO_MMP_SOC_CAMERA
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);
-
+#endif
mcam_clk_set(mcam, 1);
}
static void mmpcam_power_down(struct mcam_camera *mcam)
{
struct mmp_camera *cam = mcam_to_cam(mcam);
+#ifndef CONFIG_VIDEO_MMP_SOC_CAMERA
struct mmp_camera_platform_data *pdata;
+#endif
/*
* Turn off clocks and set reset lines
*/
iowrite32(0, cam->power_regs + REG_CCIC_DCGCR);
iowrite32(0, cam->power_regs + REG_CCIC_CRCR);
+#ifndef CONFIG_VIDEO_MMP_SOC_CAMERA
/*
* 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);
-
+#endif
mcam_clk_set(mcam, 0);
}
@@ -322,20 +342,31 @@ static int mmpcam_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&cam->devlist);
mcam = &cam->mcam;
+ spin_lock_init(&mcam->dev_lock);
mcam->plat_power_up = mmpcam_power_up;
mcam->plat_power_down = mmpcam_power_down;
mcam->ctlr_reset = mcam_ctlr_reset;
mcam->calc_dphy = mmpcam_calc_dphy;
mcam->dev = &pdev->dev;
mcam->use_smbus = 0;
+ mcam->card_name = pdata->name;
+ mcam->mclk_min = pdata->mclk_min;
+ mcam->mclk_src = pdata->mclk_src;
+ mcam->mclk_div = pdata->mclk_div;
+#ifdef CONFIG_VIDEO_MMP_SOC_CAMERA
+ mcam->chip_id = pdata->chip_id;
+ mcam->buffer_mode = B_DMA_contig;
+#else
+ mcam->chip_id = V4L2_IDENT_ARMADA610;
+ mcam->buffer_mode = B_DMA_sg;
+#endif
mcam->ccic_id = pdev->id;
mcam->bus_type = pdata->bus_type;
mcam->dphy = &(pdata->dphy);
mcam->mipi_enabled = 0;
mcam->lane = pdata->lane;
- mcam->chip_id = V4L2_IDENT_ARMADA610;
- mcam->buffer_mode = B_DMA_sg;
- spin_lock_init(&mcam->dev_lock);
+ INIT_LIST_HEAD(&mcam->buffers);
+
/*
* Get our I/O memory.
*/
@@ -365,9 +396,22 @@ static int mmpcam_probe(struct platform_device *pdev)
}
mcam_init_clk(mcam, pdata, 1);
+#ifdef CONFIG_VIDEO_MMP_SOC_CAMERA
+ mcam->vb_alloc_ctx =
+ vb2_dma_contig_init_ctx(&pdev->dev);
+ if (IS_ERR(mcam->vb_alloc_ctx))
+ return PTR_ERR(mcam->vb_alloc_ctx);
+
+ ret = mcam_soc_camera_host_register(mcam);
+ if (ret)
+ goto out_free_ctx;
+#endif
+
+#ifdef CONFIG_VIDEO_MMP_CAMERA
/*
* Find the i2c adapter. This assumes, of course, that the
* i2c bus is already up and functioning.
+ * soc-camera manages i2c interface in sensor side
*/
mcam->i2c_adapter = platform_get_drvdata(pdata->i2c_device);
if (mcam->i2c_adapter == NULL) {
@@ -396,9 +440,10 @@ static int mmpcam_probe(struct platform_device *pdev)
* Power the device up and hand it off to the core.
*/
mmpcam_power_up(mcam);
+#endif
ret = mccic_register(mcam);
if (ret)
- goto out_gpio2;
+ goto ccic_register_fail;
/*
* Finally, set up our IRQ now that the core is ready to
* deal with it.
@@ -418,12 +463,21 @@ static int mmpcam_probe(struct platform_device *pdev)
out_unregister:
mccic_shutdown(mcam);
-out_gpio2:
+ccic_register_fail:
+#ifdef CONFIG_VIDEO_MMP_CAMERA
mmpcam_power_down(mcam);
+ mcam_init_clk(mcam, pdata, 0);
gpio_free(pdata->sensor_reset_gpio);
out_gpio:
gpio_free(pdata->sensor_power_gpio);
+#endif
+#ifdef CONFIG_VIDEO_MMP_SOC_CAMERA
+ soc_camera_host_unregister(&mcam->soc_host);
mcam_init_clk(mcam, pdata, 0);
+out_free_ctx:
+ vb2_dma_contig_cleanup_ctx(mcam->vb_alloc_ctx);
+ mcam->vb_alloc_ctx = NULL;
+#endif
return ret;
}
@@ -431,14 +485,22 @@ out_gpio:
static int mmpcam_remove(struct mmp_camera *cam)
{
struct mcam_camera *mcam = &cam->mcam;
- struct mmp_camera_platform_data *pdata;
+#ifdef CONFIG_VIDEO_MMP_SOC_CAMERA
+ struct soc_camera_host *soc_host = &mcam->soc_host;
+#endif
+ struct mmp_camera_platform_data *pdata = cam->pdev->dev.platform_data;
mmpcam_remove_device(cam);
mccic_shutdown(mcam);
mmpcam_power_down(mcam);
- pdata = cam->pdev->dev.platform_data;
+#ifdef CONFIG_VIDEO_MMP_SOC_CAMERA
+ soc_camera_host_unregister(soc_host);
+ vb2_dma_contig_cleanup_ctx(mcam->vb_alloc_ctx);
+ mcam->vb_alloc_ctx = NULL;
+#else
gpio_free(pdata->sensor_reset_gpio);
gpio_free(pdata->sensor_power_gpio);
+#endif
mcam_init_clk(mcam, pdata, 0);
return 0;
}
diff --git a/include/media/mmp-camera.h b/include/media/mmp-camera.h
index 36891ed..731f81f 100755
--- a/include/media/mmp-camera.h
+++ b/include/media/mmp-camera.h
@@ -6,9 +6,11 @@ struct mmp_camera_platform_data {
struct platform_device *i2c_device;
int sensor_power_gpio;
int sensor_reset_gpio;
+ char name[16];
int mclk_min;
int mclk_src;
int mclk_div;
+ int chip_id;
/*
* MIPI support
*/
--
1.7.9.5
--
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