media: video: tegra: SSL3250A torch driver

- Added multi-instance support with sync capability
- Added GLOS power scheme
- Standardized the IOCTL API

Bug 882012
Bug 866726
Bug 896181
Bug 894789
Bug 861828
Bug 852480
Bug 872156

Change-Id: Ic315a9ed404854e13568c5b5afae60415a19b093
Signed-off-by: Erik Lilliebjerg <elilliebjerg@nvidia.com>
Reviewed-on: http://git-master/r/66052
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>

Rebase-Id: R516fb9110c4fc654ba0d3e1289a3d0eb938a805d

2 files changed, 67 insertions, 46 deletions

diff --git a/include/media/nvc_torch.h b/include/media/nvc_torch.h
new file mode 100644
index 000000000000..7c88bc75af05
--- /dev/null
+++ b/include/media/nvc_torch.h
@@ -0,0 +1,43 @@
+/* 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_TORCH_H__
+#define __NVC_TORCH_H__
+
+struct nvc_torch_level_info {
+	__s32 guidenum;
+	__u32 sustaintime;
+	__s32 rechargefactor;
+} __packed;
+
+struct nvc_torch_pin_state {
+	__u16 mask;
+	__u16 values;
+} __packed;
+
+struct nvc_torch_flash_capabilities {
+	__u32 numberoflevels;
+	struct nvc_torch_level_info levels[];
+} __packed;
+
+struct nvc_torch_torch_capabilities {
+	__u32 numberoflevels;
+	__s32 guidenum[];
+} __packed;
+
+#endif /* __NVC_TORCH_H__ */
+
diff --git a/include/media/ssl3250a.h b/include/media/ssl3250a.h
index ebe2804b348a..c4e802fa2efc 100644
--- a/include/media/ssl3250a.h
+++ b/include/media/ssl3250a.h
@@ -1,60 +1,38 @@
-/*
- * Copyright (c) 2011, NVIDIA CORPORATION, All rights reserved.
+/* Copyright (C) 2011 NVIDIA Corporation.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
+ * 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.
  *
- * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
+ * 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.
  *
- * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * Neither the name of NVIDIA CORPORATION nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 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 __SSL3250A_H__
 #define __SSL3250A_H__
 
-#include <linux/ioctl.h> /* For IOCTL macros */
+#include <media/nvc_torch.h>
 
-#define SSL3250A_IOCTL_MODE_SHUTDOWN	_IOW('o', 1, __u8)
-#define SSL3250A_IOCTL_MODE_STANDBY	_IOW('o', 2, __u8)
-#define SSL3250A_IOTCL_MODE_TORCH	_IOW('o', 3, __u8)
-#define SSL3250A_IOCTL_MODE_FLASH	_IOW('o', 4, __u8)
-#define SSL3250A_IOCTL_MODE_LED		_IOW('o', 5, __u8)
-#define SSL3250A_IOCTL_STRB		_IOW('o', 6, __u8)
-#define SSL3250A_IOCTL_TIMER		_IOW('o', 7, __u8)
+#define SSL3250A_MAX_TORCH_LEVEL	11
+#define SSL3250A_MAX_FLASH_LEVEL	20
 
-#ifdef __KERNEL__
 struct ssl3250a_platform_data {
-	int config;
-	int max_amp_indic;
-	int max_amp_torch;
-	int max_amp_flash;
-	int (*init)(void);
-	void (*exit)(void);
-	int (*gpio_act)(int);
-	int (*gpio_en1)(int);
-	int (*gpio_en2)(int);
-	int (*gpio_strb)(int);
+	unsigned cfg; /* use the NVC_CFG_ defines */
+	unsigned num; /* see implementation notes in driver */
+	unsigned sync; /* see implementation notes in driver */
+	const char *dev_name; /* see implementation notes in driver */
+	struct nvc_torch_pin_state (*pinstate); /* see notes in driver */
+	unsigned max_amp_torch; /* maximum torch value allowed */
+	unsigned max_amp_flash; /* maximum flash value allowed */
+	unsigned gpio_act; /* GPIO connected to the ACT signal */
 };
-#endif /* __KERNEL__ */
 
 #endif /* __SSL3250A_H__ */