From f53ebec38718ff5d6b2aff2fa62b92a75d007ca5 Mon Sep 17 00:00:00 2001
From: The Android Open Source Project <initial-contribution@android.com>
Date: Tue, 3 Mar 2009 19:32:14 -0800
Subject: auto import from //depot/cupcake/@135843

---
 include/hardware/hardware.h | 148 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 include/hardware/hardware.h

(limited to 'include/hardware/hardware.h')

diff --git a/include/hardware/hardware.h b/include/hardware/hardware.h
new file mode 100644
index 0000000..5325744
--- /dev/null
+++ b/include/hardware/hardware.h
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_INCLUDE_HARDWARE_HARDWARE_H
+#define ANDROID_INCLUDE_HARDWARE_HARDWARE_H
+
+#include <stdint.h>
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+/*
+ * Value for the hw_module_t.tag field
+ */
+#define HARDWARE_MODULE_TAG 'HWMT'
+#define HARDWARE_DEVICE_TAG 'HWDT'
+
+struct hw_module_t;
+struct hw_module_methods_t;
+struct hw_device_t;
+
+/**
+ * Every hardware module must have a data structure named HAL_MODULE_INFO_SYM
+ * and the fields of this data structure must begin with hw_module_t
+ * followed by module specific information.
+ */
+struct hw_module_t {
+    /** tag must be initialized to HARDWARE_MODULE_TAG */
+    uint32_t tag;
+
+    /** major version number for the module */
+    uint16_t version_major;
+
+    /** minor version number of the module */
+    uint16_t version_minor;
+
+    /** Identifier of module */
+    const char *id;
+
+    /** Name of this module */
+    const char *name;
+
+    /** Author/owner/implementor of the module */
+    const char *author;
+
+    /** Modules methods */
+    struct hw_module_methods_t* methods;
+    
+    /** padding to 128 bytes, reserved for future use */
+    uint32_t reserved[32-6];
+};
+
+struct hw_module_methods_t {
+    /** Open a specific device */
+    int (*open)(const struct hw_module_t* module, const char* id,
+            struct hw_device_t** device);
+};
+
+/**
+ * Every device data structure must begin with hw_device_t
+ * followed by module specific public methods and attributes.
+ */
+struct hw_device_t {
+    /** tag must be initialized to HARDWARE_DEVICE_TAG */
+    uint32_t tag;
+
+    /** version number for hw_device_t */
+    uint32_t version;
+
+    /** reference to the module this device belongs to */
+    struct hw_module_t* module;
+
+    /** padding reserved for future use */
+    uint32_t reserved[12];
+
+    /** Close this device */
+    int (*close)(struct hw_device_t* device);
+};
+
+/**
+ * Name of the hal_module_info 
+ */
+#define HAL_MODULE_INFO_SYM         HMI
+
+/**
+ * Name of the hal_module_info as a string
+ */
+#define HAL_MODULE_INFO_SYM_AS_STR  "HMI"
+
+/**
+ * Get the module info associated with a module by id.
+ * @return: 0 == success, <0 == error and *pHmi == NULL
+ */
+int hw_get_module(const char *id, const struct hw_module_t **module);
+
+
+/**
+ * pixel format definitions
+ */
+
+enum {
+    HAL_PIXEL_FORMAT_RGBA_8888    = 1,
+    HAL_PIXEL_FORMAT_RGB_565      = 4,
+    HAL_PIXEL_FORMAT_BGRA_8888    = 5,
+    HAL_PIXEL_FORMAT_RGBA_5551    = 6,
+    HAL_PIXEL_FORMAT_RGBA_4444    = 7,
+    HAL_PIXEL_FORMAT_YCbCr_422_SP = 0x10,
+    HAL_PIXEL_FORMAT_YCbCr_420_SP = 0x11,
+    HAL_PIXEL_FORMAT_YCbCr_422_P  = 0x12,
+    HAL_PIXEL_FORMAT_YCbCr_420_P  = 0x13,
+    HAL_PIXEL_FORMAT_YCbCr_422_I  = 0x14,
+    HAL_PIXEL_FORMAT_YCbCr_420_I  = 0x15
+};
+
+
+/**
+ * Transformation definitions
+ */
+
+enum {
+    /* flip source image horizontally */
+    HAL_TRANSFORM_FLIP_H    = 0x01,
+    /* flip source image vertically */
+    HAL_TRANSFORM_FLIP_V    = 0x02,
+    /* rotate source image 90 degres */
+    HAL_TRANSFORM_ROT_90    = 0x04,
+    /* rotate source image 180 degres */
+    HAL_TRANSFORM_ROT_180   = 0x03,
+    /* rotate source image 270 degres */
+    HAL_TRANSFORM_ROT_270   = 0x07,
+};
+
+__END_DECLS
+
+#endif  /* ANDROID_INCLUDE_HARDWARE_HARDWARE_H */
-- 
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