media: common camera header

This is the common header for the camera devices:
imager, focuser, and torch.

Bug 852480

Change-Id: I0a7d7486ca71e97f1ff7f923795146b3e151eb12
Signed-off-by: Erik Lilliebjerg <elilliebjerg@nvidia.com>
Reviewed-on: http://git-master/r/66419
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Tested-by: Gerrit_Virtual_Submit

Rebase-Id: R812b8f9b958706565a512380abe4e1be3a567c6b

1 files changed, 145 insertions, 0 deletions

diff --git a/include/media/nvc.h b/include/media/nvc.h
new file mode 100644
index 000000000000..35bd6e2470d1
--- /dev/null
+++ b/include/media/nvc.h
@@ -0,0 +1,145 @@
+/* Copyright (C) 2011 NVIDIA Corporation.
+ *
+ * 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.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307, USA
+ */
+
+#ifndef __NVC_H__
+#define __NVC_H__
+
+#include <linux/ioctl.h>
+
+struct nvc_param {
+	int param;
+	__u32 sizeofvalue;
+	void *p_value;
+} __packed;
+
+#define NVC_PARAM_EXPOSURE		0
+#define NVC_PARAM_GAIN			1
+#define NVC_PARAM_FRAMERATE		2
+#define NVC_PARAM_MAX_FRAMERATE		3
+#define NVC_PARAM_INPUT_CLOCK		4
+#define NVC_PARAM_LOCUS			5
+#define NVC_PARAM_FLASH_CAPS		6
+#define NVC_PARAM_FLASH_LEVEL		7
+#define NVC_PARAM_FLASH_PIN_STATE	8
+#define NVC_PARAM_TORCH_CAPS		9
+#define NVC_PARAM_TORCH_LEVEL		10
+#define NVC_PARAM_FOCAL_LEN		11
+#define NVC_PARAM_MAX_APERTURE		12
+#define NVC_PARAM_FNUMBER		13
+#define NVC_PARAM_EXPOSURE_LIMITS	14
+#define NVC_PARAM_GAIN_LIMITS		15
+#define NVC_PARAM_FRAMERATE_LIMITS	16
+#define NVC_PARAM_FRAME_RATES		17
+#define NVC_PARAM_EXP_LATCH_TIME	19
+#define NVC_PARAM_REGION_USED		20
+#define NVC_PARAM_SELF_TEST		23
+#define NVC_PARAM_STS			24
+#define NVC_PARAM_TESTMODE		25
+#define NVC_PARAM_EXPECTED_VALUES	26
+#define NVC_PARAM_RESET			27
+#define NVC_PARAM_OPTIMIZE_RES		28
+#define NVC_PARAM_LINES_PER_SEC		30
+#define NVC_PARAM_CAPS			31
+#define NVC_PARAM_STEREO_CAP		33
+#define NVC_PARAM_FOCUS_STEREO		34
+#define NVC_PARAM_STEREO		35
+#define NVC_PARAM_INHERENT_GAIN		36
+#define NVC_PARAM_VIEW_ANGLE_H		37
+#define NVC_PARAM_VIEW_ANGLE_V		38
+#define NVC_PARAM_DEV_ID		46
+#define NVC_PARAM_TEST_PATTERN		0x10000002
+#define NVC_PARAM_SENSOR_TYPE		0x10000006
+#define NVC_PARAM_I2C			1001
+
+/* sync off */
+#define NVC_SYNC_OFF			0
+/* use only this device (the one receiving the call) */
+#define NVC_SYNC_MASTER			1
+/* use only the synced device (the "other" device) */
+#define NVC_SYNC_SLAVE			2
+/* use both synced devices at the same time */
+#define NVC_SYNC_STEREO			3
+
+#define NVC_RESET_HARD			0
+#define NVC_RESET_SOFT			1
+
+#define NVC_IOCTL_PWR_WR		_IOW('o', 102, int)
+#define NVC_IOCTL_PWR_RD		_IOW('o', 103, int)
+#define NVC_IOCTL_PARAM_WR		_IOW('o', 104, struct nvc_param)
+#define NVC_IOCTL_PARAM_RD		_IOWR('o', 105, struct nvc_param)
+
+
+#ifdef __KERNEL__
+
+#include <linux/regulator/consumer.h>
+
+/* The NVC_CFG_ defines are for the .cfg entry in the
+ * platform data structure.
+ */
+/* Device not registered if not found */
+#define NVC_CFG_NODEV			(1 << 0)
+/* Don't return errors */
+#define NVC_CFG_NOERR			(1 << 1)
+/* Always go to _PWR_STDBY instead of _PWR_OFF */
+#define NVC_CFG_OFF2STDBY		(1 << 2)
+/* Init device at sys boot */
+#define NVC_CFG_BOOT_INIT		(1 << 3)
+/* Sync mode uses an I2C MUX to send at same time */
+#define NVC_CFG_SYNC_I2C_MUX		(1 << 4)
+
+/* Expected higher level power calls are:
+ * 1 = OFF
+ * 2 = STANDBY
+ * 3 = ON
+ * These will be multiplied by 2 before given to the driver's PM code that
+ * uses the _PWR_ defines. This allows us to insert defines to give more power
+ * granularity and still remain linear with regards to the power usage and
+ * full power state transition latency for easy implementation of PM
+ * algorithms.
+ * The PM actions:
+ * _PWR_ERR = Non-valid state.
+ * _PWR_OFF_DELAYED = _PWR_OFF is called after a period of time.
+ * _PWR_OFF = Device, regulators, clocks, etc is turned off.  The longest
+ *            transition time to _PWR_ON is from this state.
+ * _PWR_STDBY_OFF = Device is useless but powered.  No communication possible.
+ *                  Device does not retain programming.  Main purpose is for
+ *                  faster return to _PWR_ON without regulator delays.
+ * _PWR_STDBY = Device is in standby.  Device retains programming.
+ * _PWR_COMM = Device is powered enough to communicate with the device.
+ * _PWR_ON = Device is at full power with active output.
+ *
+ * The kernel drivers treat these calls as guaranteed level of service.
+ */
+
+#define NVC_PWR_ERR			0
+#define NVC_PWR_OFF_DELAYED		1
+#define NVC_PWR_OFF			2
+#define NVC_PWR_STDBY_OFF		3
+#define NVC_PWR_STDBY			4
+#define NVC_PWR_COMM			5
+#define NVC_PWR_ON			6
+
+struct nvc_regulator {
+	bool vreg_flag;
+	struct regulator *vreg;
+	const char *vreg_name;
+};
+
+#endif /* __KERNEL__ */
+
+#endif /* __NVC_H__ */
+