diff options
Diffstat (limited to 'media/omx-plugin/include/ics/hardware')
| -rw-r--r-- | media/omx-plugin/include/ics/hardware/fb.h | 164 | ||||
| -rw-r--r-- | media/omx-plugin/include/ics/hardware/gralloc.h | 261 | ||||
| -rw-r--r-- | media/omx-plugin/include/ics/hardware/hardware.h | 139 |
3 files changed, 564 insertions, 0 deletions
diff --git a/media/omx-plugin/include/ics/hardware/fb.h b/media/omx-plugin/include/ics/hardware/fb.h new file mode 100644 index 000000000..ba2f286d0 --- /dev/null +++ b/media/omx-plugin/include/ics/hardware/fb.h @@ -0,0 +1,164 @@ +/* + * 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_FB_INTERFACE_H +#define ANDROID_FB_INTERFACE_H + +#include <stdint.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +#include <cutils/native_handle.h> + +#include <hardware/hardware.h> + +__BEGIN_DECLS + +#define GRALLOC_HARDWARE_FB0 "fb0" + +/*****************************************************************************/ + + +/*****************************************************************************/ + +typedef struct framebuffer_device_t { + struct hw_device_t common; + + /* flags describing some attributes of the framebuffer */ + const uint32_t flags; + + /* dimensions of the framebuffer in pixels */ + const uint32_t width; + const uint32_t height; + + /* frambuffer stride in pixels */ + const int stride; + + /* framebuffer pixel format */ + const int format; + + /* resolution of the framebuffer's display panel in pixel per inch*/ + const float xdpi; + const float ydpi; + + /* framebuffer's display panel refresh rate in frames per second */ + const float fps; + + /* min swap interval supported by this framebuffer */ + const int minSwapInterval; + + /* max swap interval supported by this framebuffer */ + const int maxSwapInterval; + + int reserved[8]; + + /* + * requests a specific swap-interval (same definition than EGL) + * + * Returns 0 on success or -errno on error. + */ + int (*setSwapInterval)(struct framebuffer_device_t* window, + int interval); + + /* + * This hook is OPTIONAL. + * + * It is non NULL If the framebuffer driver supports "update-on-demand" + * and the given rectangle is the area of the screen that gets + * updated during (*post)(). + * + * This is useful on devices that are able to DMA only a portion of + * the screen to the display panel, upon demand -- as opposed to + * constantly refreshing the panel 60 times per second, for instance. + * + * Only the area defined by this rectangle is guaranteed to be valid, that + * is, the driver is not allowed to post anything outside of this + * rectangle. + * + * The rectangle evaluated during (*post)() and specifies which area + * of the buffer passed in (*post)() shall to be posted. + * + * return -EINVAL if width or height <=0, or if left or top < 0 + */ + int (*setUpdateRect)(struct framebuffer_device_t* window, + int left, int top, int width, int height); + + /* + * Post <buffer> to the display (display it on the screen) + * The buffer must have been allocated with the + * GRALLOC_USAGE_HW_FB usage flag. + * buffer must be the same width and height as the display and must NOT + * be locked. + * + * The buffer is shown during the next VSYNC. + * + * If the same buffer is posted again (possibly after some other buffer), + * post() will block until the the first post is completed. + * + * Internally, post() is expected to lock the buffer so that a + * subsequent call to gralloc_module_t::(*lock)() with USAGE_RENDER or + * USAGE_*_WRITE will block until it is safe; that is typically once this + * buffer is shown and another buffer has been posted. + * + * Returns 0 on success or -errno on error. + */ + int (*post)(struct framebuffer_device_t* dev, buffer_handle_t buffer); + + + /* + * The (*compositionComplete)() method must be called after the + * compositor has finished issuing GL commands for client buffers. + */ + + int (*compositionComplete)(struct framebuffer_device_t* dev); + + /* + * This hook is OPTIONAL. + * + * If non NULL it will be caused by SurfaceFlinger on dumpsys + */ + void (*dump)(struct framebuffer_device_t* dev, char *buff, int buff_len); + + /* + * (*enableScreen)() is used to either blank (enable=0) or + * unblank (enable=1) the screen this framebuffer is attached to. + * + * Returns 0 on success or -errno on error. + */ + int (*enableScreen)(struct framebuffer_device_t* dev, int enable); + + void* reserved_proc[6]; + +} framebuffer_device_t; + + +/** convenience API for opening and closing a supported device */ + +static inline int framebuffer_open(const struct hw_module_t* module, + struct framebuffer_device_t** device) { + return module->methods->open(module, + GRALLOC_HARDWARE_FB0, (struct hw_device_t**)device); +} + +static inline int framebuffer_close(struct framebuffer_device_t* device) { + return device->common.close(&device->common); +} + + +__END_DECLS + +#endif // ANDROID_FB_INTERFACE_H diff --git a/media/omx-plugin/include/ics/hardware/gralloc.h b/media/omx-plugin/include/ics/hardware/gralloc.h new file mode 100644 index 000000000..f8beb5efb --- /dev/null +++ b/media/omx-plugin/include/ics/hardware/gralloc.h @@ -0,0 +1,261 @@ +/* + * 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_GRALLOC_INTERFACE_H +#define ANDROID_GRALLOC_INTERFACE_H + +#include <system/window.h> +#include <hardware/hardware.h> + +#include <stdint.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +#include <cutils/native_handle.h> + +#include <hardware/hardware.h> +#include <hardware/fb.h> + +__BEGIN_DECLS + +#define GRALLOC_API_VERSION 1 + +/** + * The id of this module + */ +#define GRALLOC_HARDWARE_MODULE_ID "gralloc" + +/** + * Name of the graphics device to open + */ + +#define GRALLOC_HARDWARE_GPU0 "gpu0" + +enum { + /* buffer is never read in software */ + GRALLOC_USAGE_SW_READ_NEVER = 0x00000000, + /* buffer is rarely read in software */ + GRALLOC_USAGE_SW_READ_RARELY = 0x00000002, + /* buffer is often read in software */ + GRALLOC_USAGE_SW_READ_OFTEN = 0x00000003, + /* mask for the software read values */ + GRALLOC_USAGE_SW_READ_MASK = 0x0000000F, + + /* buffer is never written in software */ + GRALLOC_USAGE_SW_WRITE_NEVER = 0x00000000, + /* buffer is never written in software */ + GRALLOC_USAGE_SW_WRITE_RARELY = 0x00000020, + /* buffer is never written in software */ + GRALLOC_USAGE_SW_WRITE_OFTEN = 0x00000030, + /* mask for the software write values */ + GRALLOC_USAGE_SW_WRITE_MASK = 0x000000F0, + + /* buffer will be used as an OpenGL ES texture */ + GRALLOC_USAGE_HW_TEXTURE = 0x00000100, + /* buffer will be used as an OpenGL ES render target */ + GRALLOC_USAGE_HW_RENDER = 0x00000200, + /* buffer will be used by the 2D hardware blitter */ + GRALLOC_USAGE_HW_2D = 0x00000400, + /* buffer will be used by the HWComposer HAL module */ + GRALLOC_USAGE_HW_COMPOSER = 0x00000800, + /* buffer will be used with the framebuffer device */ + GRALLOC_USAGE_HW_FB = 0x00001000, + /* buffer will be used with the HW video encoder */ + GRALLOC_USAGE_HW_VIDEO_ENCODER = 0x00010000, + /* mask for the software usage bit-mask */ + GRALLOC_USAGE_HW_MASK = 0x00011F00, + + /* buffer should be displayed full-screen on an external display when + * possible + */ + GRALLOC_USAGE_EXTERNAL_DISP = 0x00002000, + + /* Must have a hardware-protected path to external display sink for + * this buffer. If a hardware-protected path is not available, then + * either don't composite only this buffer (preferred) to the + * external sink, or (less desirable) do not route the entire + * composition to the external sink. + */ + GRALLOC_USAGE_PROTECTED = 0x00004000, + + /* implementation-specific private usage flags */ + GRALLOC_USAGE_PRIVATE_0 = 0x10000000, + GRALLOC_USAGE_PRIVATE_1 = 0x20000000, + GRALLOC_USAGE_PRIVATE_2 = 0x40000000, + GRALLOC_USAGE_PRIVATE_3 = 0x80000000, + GRALLOC_USAGE_PRIVATE_MASK = 0xF0000000, +}; + +/*****************************************************************************/ + +/** + * 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. + */ +typedef struct gralloc_module_t { + struct hw_module_t common; + + /* + * (*registerBuffer)() must be called before a buffer_handle_t that has not + * been created with (*alloc_device_t::alloc)() can be used. + * + * This is intended to be used with buffer_handle_t's that have been + * received in this process through IPC. + * + * This function checks that the handle is indeed a valid one and prepares + * it for use with (*lock)() and (*unlock)(). + * + * It is not necessary to call (*registerBuffer)() on a handle created + * with (*alloc_device_t::alloc)(). + * + * returns an error if this buffer_handle_t is not valid. + */ + int (*registerBuffer)(struct gralloc_module_t const* module, + buffer_handle_t handle); + + /* + * (*unregisterBuffer)() is called once this handle is no longer needed in + * this process. After this call, it is an error to call (*lock)(), + * (*unlock)(), or (*registerBuffer)(). + * + * This function doesn't close or free the handle itself; this is done + * by other means, usually through libcutils's native_handle_close() and + * native_handle_free(). + * + * It is an error to call (*unregisterBuffer)() on a buffer that wasn't + * explicitly registered first. + */ + int (*unregisterBuffer)(struct gralloc_module_t const* module, + buffer_handle_t handle); + + /* + * The (*lock)() method is called before a buffer is accessed for the + * specified usage. This call may block, for instance if the h/w needs + * to finish rendering or if CPU caches need to be synchronized. + * + * The caller promises to modify only pixels in the area specified + * by (l,t,w,h). + * + * The content of the buffer outside of the specified area is NOT modified + * by this call. + * + * If usage specifies GRALLOC_USAGE_SW_*, vaddr is filled with the address + * of the buffer in virtual memory. + * + * THREADING CONSIDERATIONS: + * + * It is legal for several different threads to lock a buffer from + * read access, none of the threads are blocked. + * + * However, locking a buffer simultaneously for write or read/write is + * undefined, but: + * - shall not result in termination of the process + * - shall not block the caller + * It is acceptable to return an error or to leave the buffer's content + * into an indeterminate state. + * + * If the buffer was created with a usage mask incompatible with the + * requested usage flags here, -EINVAL is returned. + * + */ + + int (*lock)(struct gralloc_module_t const* module, + buffer_handle_t handle, int usage, + int l, int t, int w, int h, + void** vaddr); + + + /* + * The (*unlock)() method must be called after all changes to the buffer + * are completed. + */ + + int (*unlock)(struct gralloc_module_t const* module, + buffer_handle_t handle); + + + /* reserved for future use */ + int (*perform)(struct gralloc_module_t const* module, + int operation, ... ); + + /* reserved for future use */ + void* reserved_proc[7]; +} gralloc_module_t; + +/*****************************************************************************/ + +/** + * Every device data structure must begin with hw_device_t + * followed by module specific public methods and attributes. + */ + +typedef struct alloc_device_t { + struct hw_device_t common; + + /* + * (*alloc)() Allocates a buffer in graphic memory with the requested + * parameters and returns a buffer_handle_t and the stride in pixels to + * allow the implementation to satisfy hardware constraints on the width + * of a pixmap (eg: it may have to be multiple of 8 pixels). + * The CALLER TAKES OWNERSHIP of the buffer_handle_t. + * + * Returns 0 on success or -errno on error. + */ + + int (*alloc)(struct alloc_device_t* dev, + int w, int h, int format, int usage, + buffer_handle_t* handle, int* stride); + + /* + * (*free)() Frees a previously allocated buffer. + * Behavior is undefined if the buffer is still mapped in any process, + * but shall not result in termination of the program or security breaches + * (allowing a process to get access to another process' buffers). + * THIS FUNCTION TAKES OWNERSHIP of the buffer_handle_t which becomes + * invalid after the call. + * + * Returns 0 on success or -errno on error. + */ + int (*free)(struct alloc_device_t* dev, + buffer_handle_t handle); + + /* This hook is OPTIONAL. + * + * If non NULL it will be caused by SurfaceFlinger on dumpsys + */ + void (*dump)(struct alloc_device_t *dev, char *buff, int buff_len); + + void* reserved_proc[7]; +} alloc_device_t; + + +/** convenience API for opening and closing a supported device */ + +static inline int gralloc_open(const struct hw_module_t* module, + struct alloc_device_t** device) { + return module->methods->open(module, + GRALLOC_HARDWARE_GPU0, (struct hw_device_t**)device); +} + +static inline int gralloc_close(struct alloc_device_t* device) { + return device->common.close(&device->common); +} + +__END_DECLS + +#endif // ANDROID_ALLOC_INTERFACE_H diff --git a/media/omx-plugin/include/ics/hardware/hardware.h b/media/omx-plugin/include/ics/hardware/hardware.h new file mode 100644 index 000000000..7774b2b64 --- /dev/null +++ b/media/omx-plugin/include/ics/hardware/hardware.h @@ -0,0 +1,139 @@ +/* + * 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> + +#include <cutils/native_handle.h> +#include <system/graphics.h> + +__BEGIN_DECLS + +/* + * Value for the hw_module_t.tag field + */ + +#define MAKE_TAG_CONSTANT(A,B,C,D) (((A) << 24) | ((B) << 16) | ((C) << 8) | (D)) + +#define HARDWARE_MODULE_TAG MAKE_TAG_CONSTANT('H', 'W', 'M', 'T') +#define HARDWARE_DEVICE_TAG MAKE_TAG_CONSTANT('H', 'W', 'D', 'T') + +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. + */ +typedef 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; + + /** module's dso */ + void* dso; + + /** padding to 128 bytes, reserved for future use */ + uint32_t reserved[32-7]; + +} hw_module_t; + +typedef 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); + +} hw_module_methods_t; + +/** + * Every device data structure must begin with hw_device_t + * followed by module specific public methods and attributes. + */ +typedef 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); + +} hw_device_t; + +/** + * 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 *module == NULL + */ +int hw_get_module(const char *id, const struct hw_module_t **module); + +/** + * Get the module info associated with a module instance by class 'class_id' + * and instance 'inst'. + * + * Some modules types necessitate multiple instances. For example audio supports + * multiple concurrent interfaces and thus 'audio' is the module class + * and 'primary' or 'a2dp' are module interfaces. This implies that the files + * providing these modules would be named audio.primary.<variant>.so and + * audio.a2dp.<variant>.so + * + * @return: 0 == success, <0 == error and *module == NULL + */ +int hw_get_module_by_class(const char *class_id, const char *inst, + const struct hw_module_t **module); + +__END_DECLS + +#endif /* ANDROID_INCLUDE_HARDWARE_HARDWARE_H */ |