[GitHub/LineageOS/android_hardware_samsung_slsi_exynos5.git] / gralloc / gralloc.cpp

/*
 * 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.
 */

#include <limits.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <pthread.h>
#include <stdlib.h>
#include <string.h>

#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ioctl.h>

#include <ion/ion.h>
#include <linux/ion.h>
#include <cutils/log.h>
#include <cutils/atomic.h>

#include <hardware/hardware.h>
#include <hardware/gralloc.h>

#include "gralloc_priv.h"
#include "exynos_format.h"

#define ION_HEAP_EXYNOS_CONTIG_MASK (1 << 4)
#define ION_EXYNOS_FIMD_VIDEO_MASK  (1 << 28)
#define ION_EXYNOS_MFC_OUTPUT_MASK  (1 << 26)
#define ION_EXYNOS_MFC_INPUT_MASK   (1 << 25)
#define ION_HEAP_SYSTEM_ID          0
#define ION_HEAP_EXYNOS_CONTIG_ID   4
#define ION_HEAP_CHUNK_ID           6
#define MB_1 (1024*1024)


/*****************************************************************************/

struct gralloc_context_t {
    alloc_device_t  device;
    /* our private data here */
};

static int gralloc_alloc_buffer(alloc_device_t* dev,
                                size_t size, int usage, buffer_handle_t* pHandle);

/*****************************************************************************/

int fb_device_open(const hw_module_t* module, const char* name,
                   hw_device_t** device);

static int gralloc_device_open(const hw_module_t* module, const char* name,
                               hw_device_t** device);

extern int gralloc_lock(gralloc_module_t const* module,
                        buffer_handle_t handle, int usage,
                        int l, int t, int w, int h,
                        void** vaddr);

extern int gralloc_unlock(gralloc_module_t const* module, 
                          buffer_handle_t handle);

extern int gralloc_register_buffer(gralloc_module_t const* module,
                                   buffer_handle_t handle);

extern int gralloc_unregister_buffer(gralloc_module_t const* module,
                                     buffer_handle_t handle);

/*****************************************************************************/

static struct hw_module_methods_t gralloc_module_methods = {
open: gralloc_device_open
};

struct private_module_t HAL_MODULE_INFO_SYM = {
base: {
    common: {
        tag: HARDWARE_MODULE_TAG,
        version_major: 1,
        version_minor: 0,
        id: GRALLOC_HARDWARE_MODULE_ID,
        name: "Graphics Memory Allocator Module",
        author: "The Android Open Source Project",
        methods: &gralloc_module_methods
    },
    registerBuffer: gralloc_register_buffer,
    unregisterBuffer: gralloc_unregister_buffer,
    lock: gralloc_lock,
    unlock: gralloc_unlock,
},
framebuffer: 0,
flags: 0,
numBuffers: 0,
bufferMask: 0,
lock: PTHREAD_MUTEX_INITIALIZER,
refcount: 0,
currentBuffer: 0,
ionfd: -1,
};

/*****************************************************************************/

static unsigned int _select_heap(int usage)
{
    unsigned int heap_mask;

    if (usage & GRALLOC_USAGE_PROTECTED)
        heap_mask = (1 << ION_HEAP_EXYNOS_CONTIG_ID);
    else
        heap_mask = (1 << ION_HEAP_SYSTEM_ID) | (1 << ION_HEAP_CHUNK_ID);

    return heap_mask;
}

static int gralloc_alloc_rgb(int ionfd, int w, int h, int format, int usage,
                             unsigned int ion_flags, private_handle_t **hnd, int *stride)
{
    size_t size, bpr, alignment = 0;
    int bpp = 0, vstride, fd, err;
    unsigned int heap_mask = _select_heap(usage);

    if (format == HAL_PIXEL_FORMAT_RGBA_8888) {
        bool sw_usage = !!(usage & (GRALLOC_USAGE_SW_READ_MASK |
                GRALLOC_USAGE_SW_WRITE_MASK));

        if (usage & GRALLOC_USAGE_HW_FB) {
            ALOGW_IF(sw_usage,
                    "framebuffer target should not have SW usage bits; ignoring");
            format = HAL_PIXEL_FORMAT_BGRA_8888;
        } else if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) {
            if (sw_usage)
                return -EINVAL;
            format = HAL_PIXEL_FORMAT_BGRA_8888;
        }
    }

    switch (format) {
        case HAL_PIXEL_FORMAT_RGBA_8888:
        case HAL_PIXEL_FORMAT_RGBX_8888:
        case HAL_PIXEL_FORMAT_BGRA_8888:
        case HAL_PIXEL_FORMAT_sRGB_A_8888:
        case HAL_PIXEL_FORMAT_sRGB_X_8888:
            bpp = 4;
            break;
        case HAL_PIXEL_FORMAT_RGB_888:
            bpp = 3;
            break;
        case HAL_PIXEL_FORMAT_RGB_565:
        case HAL_PIXEL_FORMAT_RAW_SENSOR:
            bpp = 2;
            break;
        case HAL_PIXEL_FORMAT_BLOB:
            *stride = w;
            vstride = h;
            size = w * h;
            break;
        default:
            return -EINVAL;
    }

    if (format != HAL_PIXEL_FORMAT_BLOB) {
        bpr = ALIGN(w*bpp, 64);
        vstride = ALIGN(h, 16);
        if (vstride < h + 2)
            size = bpr * (h + 2);
        else
            size = bpr * vstride;
        *stride = bpr / bpp;
        size = ALIGN(size, PAGE_SIZE);
    }

    if (usage & GRALLOC_USAGE_PROTECTED) {
        alignment = MB_1;
        ion_flags |= ION_EXYNOS_FIMD_VIDEO_MASK;
    }

    err = ion_alloc_fd(ionfd, size, alignment, heap_mask, ion_flags,
                       &fd);
    *hnd = new private_handle_t(fd, size, usage, w, h, format, *stride,
                                vstride);

    return err;
}

static int gralloc_alloc_framework_yuv(int ionfd, int w, int h, int format,
                                       int usage, unsigned int ion_flags,
                                       private_handle_t **hnd, int *stride)
{
    size_t size;
    int err, fd;
    unsigned int heap_mask = _select_heap(usage);

    switch (format) {
        case HAL_PIXEL_FORMAT_YV12:
            *stride = ALIGN(w, 16);
            size = (*stride * h) + (ALIGN(*stride / 2, 16) * h);
            break;
        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
            *stride = w;
            size = *stride * h * 3 / 2;
            break;
        default:
            ALOGE("invalid yuv format %d\n", format);
            return -EINVAL;
    }

    err = ion_alloc_fd(ionfd, size, 0, heap_mask, ion_flags, &fd);
    if (err)
        return err;

    *hnd = new private_handle_t(fd, size, usage, w, h, format, *stride, h);
    return err;
}

static int gralloc_alloc_yuv(int ionfd, int w, int h, int format,
                             int usage, unsigned int ion_flags,
                             private_handle_t **hnd, int *stride)
{
    size_t luma_size, chroma_size;
    int err, planes, fd, fd1, fd2 = 0;
    size_t luma_vstride;
    unsigned int heap_mask = _select_heap(usage);

    *stride = ALIGN(w, 16);

    if (format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
        ALOGV("HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED : usage(%x), flags(%x)\n", usage, ion_flags);
        if ((usage & GRALLOC_USAGE_HW_CAMERA_ZSL) == GRALLOC_USAGE_HW_CAMERA_ZSL) {
            format = HAL_PIXEL_FORMAT_YCbCr_422_I; // YUYV
        } else if (usage & GRALLOC_USAGE_HW_TEXTURE) {
            format = HAL_PIXEL_FORMAT_EXYNOS_YV12;
        } else if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) {
            format = HAL_PIXEL_FORMAT_YCbCr_420_SP; // NV12M
        }
    }
    switch (format) {
        case HAL_PIXEL_FORMAT_EXYNOS_YV12:
            {
                *stride = ALIGN(w, 32);
                luma_vstride = ALIGN(h, 16);
                luma_size = luma_vstride * *stride;
                chroma_size = (luma_vstride / 2) * ALIGN(*stride / 2, 16);
                planes = 3;
                break;
            }
        case HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP:
        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
        case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
            {
                size_t chroma_vstride = ALIGN(h / 2, 32);
                luma_vstride = ALIGN(h, 32);
                luma_size = luma_vstride * *stride;
                chroma_size = chroma_vstride * *stride;
                planes = 2;
                break;
            }
        case HAL_PIXEL_FORMAT_YV12:
        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
            return gralloc_alloc_framework_yuv(ionfd, w, h, format, usage,
                                               ion_flags, hnd, stride);
        case HAL_PIXEL_FORMAT_YCbCr_422_I:
            {
                luma_vstride = h;
                luma_size = luma_vstride * *stride * 2;
                chroma_size = 0;
                planes = 1;
                break;
            }
        default:
            ALOGE("invalid yuv format %d\n", format);
            return -EINVAL;
    }

    if (usage & GRALLOC_USAGE_PROTECTED)
	ion_flags |= ION_EXYNOS_MFC_OUTPUT_MASK;

    err = ion_alloc_fd(ionfd, luma_size, 0, heap_mask, ion_flags, &fd);
    if (err)
        return err;
    if (planes == 1) {
        *hnd = new private_handle_t(fd, luma_size, usage, w, h,
                                    format, *stride, luma_vstride);
    } else {
        err = ion_alloc_fd(ionfd, chroma_size, 0, heap_mask, ion_flags, &fd1);
        if (err)
            goto err1;
        if (planes == 3) {
            err = ion_alloc_fd(ionfd, chroma_size, 0, heap_mask, ion_flags, &fd2);
            if (err)
                goto err2;

            *hnd = new private_handle_t(fd, fd1, fd2, luma_size, usage, w, h,
                                        format, *stride, luma_vstride);
        } else {
            *hnd = new private_handle_t(fd, fd1, luma_size, usage, w, h, format,
                                        *stride, luma_vstride);
        }
    }
    // Set chroma & gamut fields
    if (!err && *hnd) {
        if (usage & GRALLOC_USAGE_PRIVATE_CHROMA) {
            (*hnd)->chroma = HAL_PIXEL_CHROMA_BT601_8;
            (*hnd)->gamut = HAL_PIXEL_GAMUT_NARROW_8;
        } else {
            (*hnd)->chroma = HAL_PIXEL_CHROMA_BT709_8;
            (*hnd)->gamut = HAL_PIXEL_GAMUT_WIDE_8;
        }
    }
    return err;

err2:
    close(fd1);
err1:
    close(fd);
    return err;
}

static int gralloc_alloc(alloc_device_t* dev,
                         int w, int h, int format, int usage,
                         buffer_handle_t* pHandle, int* pStride)
{
    int stride;
    int err;
    unsigned int ion_flags = 0;
    private_handle_t *hnd = NULL;

    if (!pHandle || !pStride)
        return -EINVAL;

    if( (usage & GRALLOC_USAGE_SW_READ_MASK) == GRALLOC_USAGE_SW_READ_OFTEN )
        ion_flags = ION_FLAG_CACHED | ION_FLAG_CACHED_NEEDS_SYNC;

    private_module_t* m = reinterpret_cast<private_module_t*>
        (dev->common.module);
    gralloc_module_t* module = reinterpret_cast<gralloc_module_t*>
        (dev->common.module);

    err = gralloc_alloc_rgb(m->ionfd, w, h, format, usage, ion_flags, &hnd,
                            &stride);
    if (err)
        err = gralloc_alloc_yuv(m->ionfd, w, h, format, usage, ion_flags,
                                &hnd, &stride);
    if (err)
        goto err;

    err = gralloc_register_buffer(module, hnd);
    if (err)
        goto err;

    *pHandle = hnd;
    *pStride = stride;
    return 0;
err:
    if (!hnd)
        return err;
    close(hnd->fd);
    if (hnd->fd1 >= 0)
        close(hnd->fd1);
    if (hnd->fd2 >= 0)
        close(hnd->fd2);
    return err;
}

static int gralloc_free(alloc_device_t* dev,
                        buffer_handle_t handle)
{
    if (private_handle_t::validate(handle) < 0)
        return -EINVAL;

    private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle);
    gralloc_module_t* module = reinterpret_cast<gralloc_module_t*>(
                                                                   dev->common.module);

    gralloc_unregister_buffer(module, hnd);

    close(hnd->fd);
    if (hnd->fd1 >= 0)
        close(hnd->fd1);
    if (hnd->fd2 >= 0)
        close(hnd->fd2);

    delete hnd;
    return 0;
}

/*****************************************************************************/

static int gralloc_close(struct hw_device_t *dev)
{
    gralloc_context_t* ctx = reinterpret_cast<gralloc_context_t*>(dev);
    if (ctx) {
        private_module_t *p = reinterpret_cast<private_module_t*>(ctx->device.common.module);
        pthread_mutex_lock(&p->lock);
        LOG_ALWAYS_FATAL_IF(!p->refcount);
        p->refcount--;
        if (!p->refcount)
            close(p->ionfd);
        pthread_mutex_unlock(&p->lock);

        /* TODO: keep a list of all buffer_handle_t created, and free them
         * all here.
         */
        free(ctx);
    }
    return 0;
}

int gralloc_device_open(const hw_module_t* module, const char* name,
                        hw_device_t** device)
{
    int status = -EINVAL;
    if (!strcmp(name, GRALLOC_HARDWARE_GPU0)) {
        gralloc_context_t *dev;
        dev = (gralloc_context_t*)malloc(sizeof(*dev));

        /* initialize our state here */
        memset(dev, 0, sizeof(*dev));

        /* initialize the procs */
        dev->device.common.tag = HARDWARE_DEVICE_TAG;
        dev->device.common.version = 0;
        dev->device.common.module = const_cast<hw_module_t*>(module);
        dev->device.common.close = gralloc_close;

        dev->device.alloc = gralloc_alloc;
        dev->device.free = gralloc_free;

        private_module_t *p = reinterpret_cast<private_module_t*>(dev->device.common.module);
        pthread_mutex_lock(&p->lock);
        if (!p->refcount)
            p->ionfd = ion_open();
        p->refcount++;
        pthread_mutex_unlock(&p->lock);

        *device = &dev->device.common;
        status = 0;
    } else {
        status = fb_device_open(module, name, device);
    }
    return status;
}
Commit	Line	Data
2480eccc RSZ	1	/*
	2	* Copyright (C) 2008 The Android Open Source Project
	3	*
	4	* Licensed under the Apache License, Version 2.0 (the "License");
	5	* you may not use this file except in compliance with the License.
	6	* You may obtain a copy of the License at
	7	*
	8	* http://www.apache.org/licenses/LICENSE-2.0
	9	*
	10	* Unless required by applicable law or agreed to in writing, software
	11	* distributed under the License is distributed on an "AS IS" BASIS,
	12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	13	* See the License for the specific language governing permissions and
	14	* limitations under the License.
	15	*/
	16
2480eccc RSZ	17	#include <limits.h>
	18	#include <unistd.h>
	19	#include <fcntl.h>
	20	#include <errno.h>
	21	#include <pthread.h>
	22	#include <stdlib.h>
	23	#include <string.h>
	24
	25	#include <sys/mman.h>
	26	#include <sys/stat.h>
	27	#include <sys/types.h>
	28	#include <sys/ioctl.h>
	29
	30	#include <ion/ion.h>
	31	#include <linux/ion.h>
	32	#include <cutils/log.h>
	33	#include <cutils/atomic.h>
	34
	35	#include <hardware/hardware.h>
	36	#include <hardware/gralloc.h>
	37
	38	#include "gralloc_priv.h"
	39	#include "exynos_format.h"
2480eccc	40
88c9cff4	41	#define ION_HEAP_EXYNOS_CONTIG_MASK (1 << 4)
ce73ba18 JK	42	#define ION_EXYNOS_FIMD_VIDEO_MASK (1 << 28)
	43	#define ION_EXYNOS_MFC_OUTPUT_MASK (1 << 26)
	44	#define ION_EXYNOS_MFC_INPUT_MASK (1 << 25)
88c9cff4 RSZ	45	#define ION_HEAP_SYSTEM_ID 0
	46	#define ION_HEAP_EXYNOS_CONTIG_ID 4
	47	#define ION_HEAP_CHUNK_ID 6
ab73a889	48	#define MB_1 (1024*1024)
ce73ba18	49
788e20df	50
2480eccc RSZ	51	/*****************************************************************************/
	52
	53	struct gralloc_context_t {
	54	alloc_device_t device;
	55	/* our private data here */
	56	};
	57
	58	static int gralloc_alloc_buffer(alloc_device_t* dev,
	59	size_t size, int usage, buffer_handle_t* pHandle);
	60
	61	/*****************************************************************************/
	62
	63	int fb_device_open(const hw_module_t* module, const char* name,
	64	hw_device_t** device);
	65
	66	static int gralloc_device_open(const hw_module_t* module, const char* name,
	67	hw_device_t** device);
	68
	69	extern int gralloc_lock(gralloc_module_t const* module,
	70	buffer_handle_t handle, int usage,
	71	int l, int t, int w, int h,
	72	void** vaddr);
	73
	74	extern int gralloc_unlock(gralloc_module_t const* module,
	75	buffer_handle_t handle);
	76
	77	extern int gralloc_register_buffer(gralloc_module_t const* module,
	78	buffer_handle_t handle);
	79
	80	extern int gralloc_unregister_buffer(gralloc_module_t const* module,
	81	buffer_handle_t handle);
	82
	83	/*****************************************************************************/
	84
	85	static struct hw_module_methods_t gralloc_module_methods = {
	86	open: gralloc_device_open
	87	};
	88
	89	struct private_module_t HAL_MODULE_INFO_SYM = {
	90	base: {
a776338e RSZ	91	common: {
	92	tag: HARDWARE_MODULE_TAG,
	93	version_major: 1,
	94	version_minor: 0,
	95	id: GRALLOC_HARDWARE_MODULE_ID,
	96	name: "Graphics Memory Allocator Module",
	97	author: "The Android Open Source Project",
	98	methods: &gralloc_module_methods
	99	},
ec68ab21 RSZ	100	registerBuffer: gralloc_register_buffer,
	101	unregisterBuffer: gralloc_unregister_buffer,
	102	lock: gralloc_lock,
	103	unlock: gralloc_unlock,
a776338e RSZ	104	},
	105	framebuffer: 0,
	106	flags: 0,
	107	numBuffers: 0,
	108	bufferMask: 0,
	109	lock: PTHREAD_MUTEX_INITIALIZER,
4d9f47b6	110	refcount: 0,
a776338e RSZ	111	currentBuffer: 0,
a776338e RSZ	112	ionfd: -1,
2480eccc RSZ	113	};
	114
	115	/*****************************************************************************/
	116
788e20df SK	117	static unsigned int _select_heap(int usage)
	118	{
	119	unsigned int heap_mask;
	120
	121	if (usage & GRALLOC_USAGE_PROTECTED)
88c9cff4	122	heap_mask = (1 << ION_HEAP_EXYNOS_CONTIG_ID);
788e20df	123	else
88c9cff4	124	heap_mask = (1 << ION_HEAP_SYSTEM_ID) \| (1 << ION_HEAP_CHUNK_ID);
788e20df SK	125
	126	return heap_mask;
	127	}
	128
da3d8712 RSZ	129	static int gralloc_alloc_rgb(int ionfd, int w, int h, int format, int usage,
da3d8712 RSZ	130	unsigned int ion_flags, private_handle_t *hnd, int stride)
2480eccc	131	{
ab73a889	132	size_t size, bpr, alignment = 0;
70212e56	133	int bpp = 0, vstride, fd, err;
788e20df SK	134	unsigned int heap_mask = _select_heap(usage);
788e20df SK	135
2207ac2e GH	136	if (format == HAL_PIXEL_FORMAT_RGBA_8888) {
	137	bool sw_usage = !!(usage & (GRALLOC_USAGE_SW_READ_MASK \|
	138	GRALLOC_USAGE_SW_WRITE_MASK));
	139
	140	if (usage & GRALLOC_USAGE_HW_FB) {
	141	ALOGW_IF(sw_usage,
	142	"framebuffer target should not have SW usage bits; ignoring");
	143	format = HAL_PIXEL_FORMAT_BGRA_8888;
	144	} else if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) {
	145	if (sw_usage)
	146	return -EINVAL;
	147	format = HAL_PIXEL_FORMAT_BGRA_8888;
	148	}
efe80f0e GH	149	}
efe80f0e GH	150
2480eccc RSZ	151	switch (format) {
	152	case HAL_PIXEL_FORMAT_RGBA_8888:
	153	case HAL_PIXEL_FORMAT_RGBX_8888:
	154	case HAL_PIXEL_FORMAT_BGRA_8888:
99e0c3cd JH	155	case HAL_PIXEL_FORMAT_sRGB_A_8888:
99e0c3cd JH	156	case HAL_PIXEL_FORMAT_sRGB_X_8888:
2480eccc RSZ	157	bpp = 4;
	158	break;
	159	case HAL_PIXEL_FORMAT_RGB_888:
	160	bpp = 3;
	161	break;
	162	case HAL_PIXEL_FORMAT_RGB_565:
2480eccc RSZ	163	case HAL_PIXEL_FORMAT_RAW_SENSOR:
	164	bpp = 2;
	165	break;
	166	case HAL_PIXEL_FORMAT_BLOB:
d15fb8b7 RSZ	167	*stride = w;
d15fb8b7 RSZ	168	vstride = h;
39433170	169	size = w * h;
2480eccc RSZ	170	break;
	171	default:
	172	return -EINVAL;
	173	}
d15fb8b7 RSZ	174
d15fb8b7 RSZ	175	if (format != HAL_PIXEL_FORMAT_BLOB) {
472449a8	176	bpr = ALIGN(w*bpp, 64);
d15fb8b7	177	vstride = ALIGN(h, 16);
4cc86ec1 GH	178	if (vstride < h + 2)
4cc86ec1 GH	179	size = bpr * (h + 2);
d15fb8b7 RSZ	180	else
	181	size = bpr * vstride;
	182	*stride = bpr / bpp;
	183	size = ALIGN(size, PAGE_SIZE);
	184	}
2480eccc	185
ab73a889 RSZ	186	if (usage & GRALLOC_USAGE_PROTECTED) {
ab73a889 RSZ	187	alignment = MB_1;
ce73ba18	188	ion_flags \|= ION_EXYNOS_FIMD_VIDEO_MASK;
ab73a889	189	}
ce73ba18	190
ab73a889	191	err = ion_alloc_fd(ionfd, size, alignment, heap_mask, ion_flags,
da3d8712 RSZ	192	&fd);
	193	hnd = new private_handle_t(fd, size, usage, w, h, format, stride,
	194	vstride);
2480eccc RSZ	195
	196	return err;
	197	}
	198
55a3039b RSZ	199	static int gralloc_alloc_framework_yuv(int ionfd, int w, int h, int format,
	200	int usage, unsigned int ion_flags,
	201	private_handle_t *hnd, int stride)
	202	{
	203	size_t size;
	204	int err, fd;
88c9cff4	205	unsigned int heap_mask = _select_heap(usage);
55a3039b RSZ	206
	207	switch (format) {
	208	case HAL_PIXEL_FORMAT_YV12:
	209	*stride = ALIGN(w, 16);
d881a0ce	210	size = (stride h) + (ALIGN(stride / 2, 16) h);
55a3039b RSZ	211	break;
	212	case HAL_PIXEL_FORMAT_YCrCb_420_SP:
	213	*stride = w;
d881a0ce	214	size = stride h * 3 / 2;
55a3039b RSZ	215	break;
55a3039b RSZ	216	default:
bcf29611 RSZ	217	ALOGE("invalid yuv format %d\n", format);
bcf29611 RSZ	218	return -EINVAL;
55a3039b RSZ	219	}
55a3039b RSZ	220
88c9cff4	221	err = ion_alloc_fd(ionfd, size, 0, heap_mask, ion_flags, &fd);
55a3039b RSZ	222	if (err)
	223	return err;
	224
	225	hnd = new private_handle_t(fd, size, usage, w, h, format, stride, h);
	226	return err;
	227	}
	228
	229	static int gralloc_alloc_yuv(int ionfd, int w, int h, int format,
	230	int usage, unsigned int ion_flags,
	231	private_handle_t *hnd, int stride)
2480eccc RSZ	232	{
	233	size_t luma_size, chroma_size;
	234	int err, planes, fd, fd1, fd2 = 0;
70212e56	235	size_t luma_vstride;
788e20df SK	236	unsigned int heap_mask = _select_heap(usage);
788e20df SK	237
2480eccc RSZ	238	*stride = ALIGN(w, 16);
2480eccc RSZ	239
7d5efeeb SK	240	if (format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
	241	ALOGV("HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED : usage(%x), flags(%x)\n", usage, ion_flags);
	242	if ((usage & GRALLOC_USAGE_HW_CAMERA_ZSL) == GRALLOC_USAGE_HW_CAMERA_ZSL) {
	243	format = HAL_PIXEL_FORMAT_YCbCr_422_I; // YUYV
	244	} else if (usage & GRALLOC_USAGE_HW_TEXTURE) {
	245	format = HAL_PIXEL_FORMAT_EXYNOS_YV12;
	246	} else if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) {
	247	format = HAL_PIXEL_FORMAT_YCbCr_420_SP; // NV12M
	248	}
	249	}
2480eccc	250	switch (format) {
c853be7b	251	case HAL_PIXEL_FORMAT_EXYNOS_YV12:
bcf29611	252	{
6cc676b4	253	*stride = ALIGN(w, 32);
bcf29611 RSZ	254	luma_vstride = ALIGN(h, 16);
	255	luma_size = luma_vstride * *stride;
	256	chroma_size = (luma_vstride / 2) * ALIGN(*stride / 2, 16);
	257	planes = 3;
	258	break;
	259	}
c853be7b	260	case HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP:
2480eccc RSZ	261	case HAL_PIXEL_FORMAT_YCbCr_420_SP:
2480eccc RSZ	262	case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
bcf29611 RSZ	263	{
	264	size_t chroma_vstride = ALIGN(h / 2, 32);
	265	luma_vstride = ALIGN(h, 32);
	266	luma_size = luma_vstride * *stride;
	267	chroma_size = chroma_vstride * *stride;
	268	planes = 2;
	269	break;
	270	}
55a3039b RSZ	271	case HAL_PIXEL_FORMAT_YV12:
	272	case HAL_PIXEL_FORMAT_YCrCb_420_SP:
	273	return gralloc_alloc_framework_yuv(ionfd, w, h, format, usage,
	274	ion_flags, hnd, stride);
7d5efeeb SK	275	case HAL_PIXEL_FORMAT_YCbCr_422_I:
	276	{
	277	luma_vstride = h;
	278	luma_size = luma_vstride * stride 2;
	279	chroma_size = 0;
	280	planes = 1;
	281	break;
	282	}
2480eccc	283	default:
bcf29611 RSZ	284	ALOGE("invalid yuv format %d\n", format);
bcf29611 RSZ	285	return -EINVAL;
2480eccc RSZ	286	}
2480eccc RSZ	287
ce73ba18 JK	288	if (usage & GRALLOC_USAGE_PROTECTED)
	289	ion_flags \|= ION_EXYNOS_MFC_OUTPUT_MASK;
	290
788e20df	291	err = ion_alloc_fd(ionfd, luma_size, 0, heap_mask, ion_flags, &fd);
2480eccc RSZ	292	if (err)
2480eccc RSZ	293	return err;
7d5efeeb SK	294	if (planes == 1) {
7d5efeeb SK	295	*hnd = new private_handle_t(fd, luma_size, usage, w, h,
ec68ab21 RSZ	296	format, *stride, luma_vstride);
ec68ab21 RSZ	297	} else {
7d5efeeb SK	298	err = ion_alloc_fd(ionfd, chroma_size, 0, heap_mask, ion_flags, &fd1);
	299	if (err)
	300	goto err1;
	301	if (planes == 3) {
	302	err = ion_alloc_fd(ionfd, chroma_size, 0, heap_mask, ion_flags, &fd2);
	303	if (err)
	304	goto err2;
	305
	306	*hnd = new private_handle_t(fd, fd1, fd2, luma_size, usage, w, h,
	307	format, *stride, luma_vstride);
	308	} else {
	309	*hnd = new private_handle_t(fd, fd1, luma_size, usage, w, h, format,
	310	*stride, luma_vstride);
	311	}
ec68ab21	312	}
06f1fa77 AR	313	// Set chroma & gamut fields
	314	if (!err && *hnd) {
	315	if (usage & GRALLOC_USAGE_PRIVATE_CHROMA) {
	316	(*hnd)->chroma = HAL_PIXEL_CHROMA_BT601_8;
	317	(*hnd)->gamut = HAL_PIXEL_GAMUT_NARROW_8;
	318	} else {
	319	(*hnd)->chroma = HAL_PIXEL_CHROMA_BT709_8;
	320	(*hnd)->gamut = HAL_PIXEL_GAMUT_WIDE_8;
	321	}
	322	}
2480eccc RSZ	323	return err;
	324
	325	err2:
	326	close(fd1);
	327	err1:
	328	close(fd);
	329	return err;
	330	}
	331
	332	static int gralloc_alloc(alloc_device_t* dev,
	333	int w, int h, int format, int usage,
	334	buffer_handle_t* pHandle, int* pStride)
	335	{
	336	int stride;
	337	int err;
da3d8712	338	unsigned int ion_flags = 0;
a776338e	339	private_handle_t *hnd = NULL;
2480eccc RSZ	340
	341	if (!pHandle \|\| !pStride)
	342	return -EINVAL;
	343
	344	if( (usage & GRALLOC_USAGE_SW_READ_MASK) == GRALLOC_USAGE_SW_READ_OFTEN )
f8552390	345	ion_flags = ION_FLAG_CACHED \| ION_FLAG_CACHED_NEEDS_SYNC;
2480eccc RSZ	346
	347	private_module_t* m = reinterpret_cast<private_module_t*>
	348	(dev->common.module);
	349	gralloc_module_t* module = reinterpret_cast<gralloc_module_t*>
	350	(dev->common.module);
	351
da3d8712 RSZ	352	err = gralloc_alloc_rgb(m->ionfd, w, h, format, usage, ion_flags, &hnd,
da3d8712 RSZ	353	&stride);
2480eccc	354	if (err)
da3d8712 RSZ	355	err = gralloc_alloc_yuv(m->ionfd, w, h, format, usage, ion_flags,
da3d8712 RSZ	356	&hnd, &stride);
2480eccc	357	if (err)
8a4849e1	358	goto err;
2480eccc	359
8a4849e1 CC	360	err = gralloc_register_buffer(module, hnd);
8a4849e1 CC	361	if (err)
2480eccc RSZ	362	goto err;
	363
	364	*pHandle = hnd;
	365	*pStride = stride;
	366	return 0;
	367	err:
a776338e RSZ	368	if (!hnd)
a776338e RSZ	369	return err;
2480eccc	370	close(hnd->fd);
ec68ab21	371	if (hnd->fd1 >= 0)
2480eccc	372	close(hnd->fd1);
ec68ab21	373	if (hnd->fd2 >= 0)
2480eccc RSZ	374	close(hnd->fd2);
	375	return err;
	376	}
	377
	378	static int gralloc_free(alloc_device_t* dev,
	379	buffer_handle_t handle)
	380	{
	381	if (private_handle_t::validate(handle) < 0)
	382	return -EINVAL;
	383
	384	private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle);
	385	gralloc_module_t* module = reinterpret_cast<gralloc_module_t*>(
	386	dev->common.module);
8a4849e1 CC	387
8a4849e1 CC	388	gralloc_unregister_buffer(module, hnd);
2480eccc	389
2480eccc	390	close(hnd->fd);
ec68ab21	391	if (hnd->fd1 >= 0)
2480eccc	392	close(hnd->fd1);
ec68ab21	393	if (hnd->fd2 >= 0)
2480eccc RSZ	394	close(hnd->fd2);
	395
	396	delete hnd;
	397	return 0;
	398	}
	399
	400	/*****************************************************************************/
	401
	402	static int gralloc_close(struct hw_device_t *dev)
	403	{
	404	gralloc_context_t* ctx = reinterpret_cast<gralloc_context_t*>(dev);
	405	if (ctx) {
4d9f47b6 GH	406	private_module_t p = reinterpret_cast<private_module_t>(ctx->device.common.module);
	407	pthread_mutex_lock(&p->lock);
	408	LOG_ALWAYS_FATAL_IF(!p->refcount);
	409	p->refcount--;
	410	if (!p->refcount)
	411	close(p->ionfd);
	412	pthread_mutex_unlock(&p->lock);
	413
2480eccc RSZ	414	/* TODO: keep a list of all buffer_handle_t created, and free them
	415	* all here.
	416	*/
	417	free(ctx);
	418	}
	419	return 0;
	420	}
	421
	422	int gralloc_device_open(const hw_module_t* module, const char* name,
	423	hw_device_t** device)
	424	{
	425	int status = -EINVAL;
	426	if (!strcmp(name, GRALLOC_HARDWARE_GPU0)) {
	427	gralloc_context_t *dev;
	428	dev = (gralloc_context_t)malloc(sizeof(dev));
	429
	430	/* initialize our state here */
	431	memset(dev, 0, sizeof(*dev));
	432
	433	/* initialize the procs */
	434	dev->device.common.tag = HARDWARE_DEVICE_TAG;
	435	dev->device.common.version = 0;
	436	dev->device.common.module = const_cast<hw_module_t*>(module);
	437	dev->device.common.close = gralloc_close;
	438
	439	dev->device.alloc = gralloc_alloc;
	440	dev->device.free = gralloc_free;
	441
	442	private_module_t p = reinterpret_cast<private_module_t>(dev->device.common.module);
4d9f47b6 GH	443	pthread_mutex_lock(&p->lock);
	444	if (!p->refcount)
	445	p->ionfd = ion_open();
	446	p->refcount++;
	447	pthread_mutex_unlock(&p->lock);
2480eccc RSZ	448
	449	*device = &dev->device.common;
	450	status = 0;
	451	} else {
	452	status = fb_device_open(module, name, device);
	453	}
	454	return status;
	455	}