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meta-ti/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0004-omap3beagle-Add-camera-support.patch
T
Koen Kooi 07e8c30da9 move kernel recipes in to the proper dir 
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
2011-05-21 08:54:21 +02:00

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From 8b7b00860ac8c558c7156ff676655942027f7f53 Mon Sep 17 00:00:00 2001
From: Sergio Aguirre <saaguirre@ti.com>
Date: Fri, 11 Jun 2010 16:15:58 -0500
Subject: [PATCH 04/75] omap3beagle: Add camera support
This is tested with the xM + Leopard imaging module camera, which
has a MT9T111.
Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
---
arch/arm/mach-omap2/Makefile | 3 +-
arch/arm/mach-omap2/board-omap3beagle-camera.c | 228 ++++++++++++++++++++++++
arch/arm/mach-omap2/board-omap3beagle-camera.h | 41 +++++
arch/arm/mach-omap2/board-omap3beagle.c | 25 +++
4 files changed, 296 insertions(+), 1 deletions(-)
create mode 100644 arch/arm/mach-omap2/board-omap3beagle-camera.c
create mode 100644 arch/arm/mach-omap2/board-omap3beagle-camera.h
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 9042317..a49d436 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -87,7 +87,8 @@ obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o
obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o \
- mmc-twl4030.o
+ mmc-twl4030.o \
+ board-omap3beagle-camera.o
obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o \
mmc-twl4030.o \
board-ldp-camera.o
diff --git a/arch/arm/mach-omap2/board-omap3beagle-camera.c b/arch/arm/mach-omap2/board-omap3beagle-camera.c
new file mode 100644
index 0000000..e93437f
--- /dev/null
+++ b/arch/arm/mach-omap2/board-omap3beagle-camera.c
@@ -0,0 +1,228 @@
+/*
+ * Driver for Leopard Module Board used in Beagleboard (xM)
+ *
+ * Copyright (C) 2010 Texas Instruments Inc
+ * Author: Sergio Aguirre <saaguirre@ti.com>
+ *
+ * Based on work done by:
+ * Vaibhav Hiremath <hvaibhav@ti.com>
+ * Anuj Aggarwal <anuj.aggarwal@ti.com>
+ * Sivaraj R <sivaraj@ti.com>
+ *
+ * This package 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/mm.h>
+#include <linux/videodev2.h>
+#include <linux/i2c/twl.h>
+#include <linux/delay.h>
+
+#include <plat/mux.h>
+#include <plat/board.h>
+
+#include <media/v4l2-int-device.h>
+#include <media/mt9t111.h>
+
+/* Include V4L2 ISP-Camera driver related header file */
+#include <../drivers/media/video/omap34xxcam.h>
+#include <../drivers/media/video/isp/ispreg.h>
+
+#include "mux.h"
+#include "board-omap3beagle-camera.h"
+
+#define MODULE_NAME "omap3beaglelmb"
+
+#define MT9T111_I2C_BUSNUM (2)
+
+#define CAM_USE_XCLKA 1
+
+#if defined(CONFIG_VIDEO_MT9T111) || defined(CONFIG_VIDEO_MT9T111_MODULE)
+static struct isp_interface_config mt9t111_if_config = {
+ .ccdc_par_ser = ISP_PARLL,
+ .dataline_shift = 0x0,
+ .hsvs_syncdetect = ISPCTRL_SYNC_DETECT_VSRISE,
+ .strobe = 0x0,
+ .prestrobe = 0x0,
+ .shutter = 0x0,
+ .u.par.par_bridge = 0x1,
+ .u.par.par_clk_pol = 0x0,
+};
+
+static struct v4l2_ifparm mt9t111_ifparm_s = {
+#if 1
+ .if_type = V4L2_IF_TYPE_RAW,
+ .u = {
+ .raw = {
+ .frame_start_on_rising_vs = 1,
+ .bt_sync_correct = 0,
+ .swap = 0,
+ .latch_clk_inv = 0,
+ .nobt_hs_inv = 0, /* active high */
+ .nobt_vs_inv = 0, /* active high */
+ .clock_min = MT9T111_CLK_MIN,
+ .clock_max = MT9T111_CLK_MAX,
+ },
+ },
+#else
+ .if_type = V4L2_IF_TYPE_YCbCr,
+ .u = {
+ .ycbcr = {
+ .frame_start_on_rising_vs = 1,
+ .bt_sync_correct = 0,
+ .swap = 0,
+ .latch_clk_inv = 0,
+ .nobt_hs_inv = 0, /* active high */
+ .nobt_vs_inv = 0, /* active high */
+ .clock_min = MT9T111_CLK_MIN,
+ .clock_max = MT9T111_CLK_MAX,
+ },
+ },
+#endif
+};
+
+/**
+ * @brief mt9t111_ifparm - Returns the mt9t111 interface parameters
+ *
+ * @param p - pointer to v4l2_ifparm structure
+ *
+ * @return result of operation - 0 is success
+ */
+static int mt9t111_ifparm(struct v4l2_ifparm *p)
+{
+ if (p == NULL)
+ return -EINVAL;
+
+ *p = mt9t111_ifparm_s;
+ return 0;
+}
+
+#if defined(CONFIG_VIDEO_OMAP3) || defined(CONFIG_VIDEO_OMAP3_MODULE)
+static struct omap34xxcam_hw_config mt9t111_hwc = {
+ .dev_index = 0,
+ .dev_minor = 0,
+ .dev_type = OMAP34XXCAM_SLAVE_SENSOR,
+ .u.sensor.sensor_isp = 1,
+};
+#endif
+
+/**
+ * @brief mt9t111_set_prv_data - Returns mt9t111 omap34xx driver private data
+ *
+ * @param priv - pointer to omap34xxcam_hw_config structure
+ *
+ * @return result of operation - 0 is success
+ */
+static int mt9t111_set_prv_data(void *priv)
+{
+#if defined(CONFIG_VIDEO_OMAP3) || defined(CONFIG_VIDEO_OMAP3_MODULE)
+ struct omap34xxcam_hw_config *hwc = priv;
+
+ if (priv == NULL)
+ return -EINVAL;
+
+ hwc->u.sensor = mt9t111_hwc.u.sensor;
+ hwc->dev_index = mt9t111_hwc.dev_index;
+ hwc->dev_minor = mt9t111_hwc.dev_minor;
+ hwc->dev_type = mt9t111_hwc.dev_type;
+ return 0;
+#else
+ return -EINVAL;
+#endif
+}
+
+/**
+ * @brief mt9t111_power_set - Power-on or power-off TVP5146 device
+ *
+ * @param power - enum, Power on/off, resume/standby
+ *
+ * @return result of operation - 0 is success
+ */
+static int mt9t111_power_set(struct v4l2_int_device *s, enum v4l2_power power)
+{
+ struct omap34xxcam_videodev *vdev = s->u.slave->master->priv;
+
+ switch (power) {
+ case V4L2_POWER_OFF:
+ isp_set_xclk(vdev->cam->isp, 0, CAM_USE_XCLKA);
+ break;
+
+ case V4L2_POWER_STANDBY:
+ break;
+
+ case V4L2_POWER_ON:
+ isp_set_xclk(vdev->cam->isp, MT9T111_CLK_MIN, CAM_USE_XCLKA);
+
+#if defined(CONFIG_VIDEO_OMAP3) || defined(CONFIG_VIDEO_OMAP3_MODULE)
+ isp_configure_interface(vdev->cam->isp, &mt9t111_if_config);
+#endif
+ break;
+
+ default:
+ return -ENODEV;
+ break;
+ }
+ return 0;
+}
+
+static struct mt9t111_platform_data mt9t111_pdata = {
+ .master = "omap34xxcam",
+ .power_set = mt9t111_power_set,
+ .priv_data_set = mt9t111_set_prv_data,
+ .ifparm = mt9t111_ifparm,
+ /* Some interface dependent params */
+ .clk_polarity = 0, /* data clocked out on falling edge */
+ .hs_polarity = 1, /* 0 - Active low, 1- Active high */
+ .vs_polarity = 1, /* 0 - Active low, 1- Active high */
+};
+
+static struct i2c_board_info __initdata mt9t111_i2c_board_info = {
+ I2C_BOARD_INFO("mt9t111", MT9T111_I2C_ADDR),
+ .platform_data = &mt9t111_pdata,
+};
+
+#endif /* #ifdef CONFIG_VIDEO_MT9T111 */
+
+/**
+ * @brief omap3beaglelmb_init - module init function. Should be called before any
+ * client driver init call
+ *
+ * @return result of operation - 0 is success
+ */
+int __init omap3beaglelmb_init(void)
+{
+ int err;
+
+ /*
+ * Register the I2C devices present in the board to the I2C
+ * framework.
+ * If more I2C devices are added, then each device information should
+ * be registered with I2C using i2c_register_board_info().
+ */
+#if defined(CONFIG_VIDEO_MT9T111) || defined(CONFIG_VIDEO_MT9T111_MODULE)
+ err = i2c_register_board_info(MT9T111_I2C_BUSNUM,
+ &mt9t111_i2c_board_info, 1);
+ if (err) {
+ printk(KERN_ERR MODULE_NAME \
+ ": MT9T111 I2C Board Registration failed \n");
+ return err;
+ }
+#endif
+ printk(KERN_INFO MODULE_NAME ": Driver registration complete \n");
+
+ return 0;
+}
+arch_initcall(omap3beaglelmb_init);
diff --git a/arch/arm/mach-omap2/board-omap3beagle-camera.h b/arch/arm/mach-omap2/board-omap3beagle-camera.h
new file mode 100644
index 0000000..1026aeb
--- /dev/null
+++ b/arch/arm/mach-omap2/board-omap3beagle-camera.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2010 Texas Instruments Inc
+ * Author: Sergio Aguirre <saaguirre@ti.com>
+ *
+ * Based on work done by:
+ * Vaibhav Hiremath <hvaibhav@ti.com>
+ * Anuj Aggarwal <anuj.aggarwal@ti.com>
+ * Sivaraj R <sivaraj@ti.com>
+ *
+ * This package 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __BOARD_OMAP3BEAGLE_LMB_H_
+#define __BOARD_OMAP3BEAGLE_LMB_H_
+
+/* mux id to enable/disable signal routing to different peripherals */
+enum omap3beaglelmb_mux {
+ MUX_TVP5146 = 0,
+ MUX_CAMERA_SENSOR,
+ MUX_EXP_CAMERA_SENSOR,
+ NUM_MUX
+};
+
+/* enum to enable or disable mux */
+enum config_mux {
+ DISABLE_MUX,
+ ENABLE_MUX
+};
+
+#endif /* __BOARD_OMAP3BEAGLE_LMB_H_ */
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index b313350..d6b69a6 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -712,6 +712,31 @@ static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
+ /* Camera - Parallel Data */
+ OMAP3_MUX(CAM_D0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_D1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_D2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_D3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_D4, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_D5, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_D6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_D7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_D8, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_D9, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_D10, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_D11, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_PCLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+
+ /* Camera - HS/VS signals */
+ OMAP3_MUX(CAM_HS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ OMAP3_MUX(CAM_VS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+
+ /* Camera - Reset GPIO 98 */
+ OMAP3_MUX(CAM_FLD, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
+
+ /* Camera - XCLK */
+ OMAP3_MUX(CAM_XCLKA, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#else
--
1.6.6.1
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