| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * Copyright (c) 2010-2012 Code Aurora Forum. All rights reserved. |
| * |
| * 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 <sys/mman.h> |
| |
| #include <dlfcn.h> |
| |
| #include <cutils/ashmem.h> |
| #include <cutils/log.h> |
| #include <cutils/properties.h> |
| #include <utils/Timers.h> |
| |
| #include <hardware/hardware.h> |
| #include <hardware/gralloc.h> |
| |
| #include <fcntl.h> |
| #include <errno.h> |
| #include <sys/ioctl.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <pthread.h> |
| #include <utils/Timers.h> |
| |
| #include <cutils/log.h> |
| #include <cutils/atomic.h> |
| |
| #include <linux/fb.h> |
| #include <linux/msm_mdp.h> |
| |
| #include <GLES/gl.h> |
| |
| #include "gralloc_priv.h" |
| #include "gr.h" |
| #ifdef NO_SURFACEFLINGER_SWAPINTERVAL |
| #include <cutils/properties.h> |
| #endif |
| |
| #include <qcom_ui.h> |
| |
| #define FB_DEBUG 0 |
| |
| #if defined(HDMI_DUAL_DISPLAY) |
| #define EVEN_OUT(x) if (x & 0x0001) {x--;} |
| using overlay::Overlay; |
| /** min of int a, b */ |
| static inline int min(int a, int b) { |
| return (a<b) ? a : b; |
| } |
| /** max of int a, b */ |
| static inline int max(int a, int b) { |
| return (a>b) ? a : b; |
| } |
| #endif |
| |
| char framebufferStateName[] = {'S', 'R', 'A'}; |
| |
| /*****************************************************************************/ |
| |
| enum { |
| MDDI_PANEL = '1', |
| EBI2_PANEL = '2', |
| LCDC_PANEL = '3', |
| EXT_MDDI_PANEL = '4', |
| TV_PANEL = '5' |
| }; |
| |
| enum { |
| PAGE_FLIP = 0x00000001, |
| LOCKED = 0x00000002 |
| }; |
| |
| struct fb_context_t { |
| framebuffer_device_t device; |
| }; |
| |
| static int neworientation; |
| |
| /*****************************************************************************/ |
| |
| static void |
| msm_copy_buffer(buffer_handle_t handle, int fd, |
| int width, int height, int format, |
| int x, int y, int w, int h); |
| |
| static int fb_setSwapInterval(struct framebuffer_device_t* dev, |
| int interval) |
| { |
| char pval[PROPERTY_VALUE_MAX]; |
| property_get("debug.gr.swapinterval", pval, "-1"); |
| int property_interval = atoi(pval); |
| if (property_interval >= 0) |
| interval = property_interval; |
| |
| fb_context_t* ctx = (fb_context_t*)dev; |
| private_module_t* m = reinterpret_cast<private_module_t*>( |
| dev->common.module); |
| if (interval < dev->minSwapInterval || interval > dev->maxSwapInterval) |
| return -EINVAL; |
| |
| m->swapInterval = interval; |
| return 0; |
| } |
| |
| static int fb_setUpdateRect(struct framebuffer_device_t* dev, |
| int l, int t, int w, int h) |
| { |
| if (((w|h) <= 0) || ((l|t)<0)) |
| return -EINVAL; |
| fb_context_t* ctx = (fb_context_t*)dev; |
| private_module_t* m = reinterpret_cast<private_module_t*>( |
| dev->common.module); |
| m->info.reserved[0] = 0x54445055; // "UPDT"; |
| m->info.reserved[1] = (uint16_t)l | ((uint32_t)t << 16); |
| m->info.reserved[2] = (uint16_t)(l+w) | ((uint32_t)(t+h) << 16); |
| return 0; |
| } |
| |
| static void *disp_loop(void *ptr) |
| { |
| struct qbuf_t nxtBuf; |
| static int cur_buf=-1; |
| private_module_t *m = reinterpret_cast<private_module_t*>(ptr); |
| |
| while (1) { |
| pthread_mutex_lock(&(m->qlock)); |
| |
| // wait (sleep) while display queue is empty; |
| if (m->disp.isEmpty()) { |
| pthread_cond_wait(&(m->qpost),&(m->qlock)); |
| } |
| |
| // dequeue next buff to display and lock it |
| nxtBuf = m->disp.getHeadValue(); |
| m->disp.pop(); |
| pthread_mutex_unlock(&(m->qlock)); |
| |
| // post buf out to display synchronously |
| private_handle_t const* hnd = reinterpret_cast<private_handle_t const*> |
| (nxtBuf.buf); |
| const size_t offset = hnd->base - m->framebuffer->base; |
| m->info.activate = FB_ACTIVATE_VBL; |
| m->info.yoffset = offset / m->finfo.line_length; |
| |
| #if defined(HDMI_DUAL_DISPLAY) |
| pthread_mutex_lock(&m->overlayLock); |
| m->orientation = neworientation; |
| m->currentOffset = offset; |
| m->hdmiStateChanged = true; |
| pthread_cond_signal(&(m->overlayPost)); |
| pthread_mutex_unlock(&m->overlayLock); |
| #endif |
| if (ioctl(m->framebuffer->fd, FBIOPUT_VSCREENINFO, &m->info) == -1) { |
| ALOGE("ERROR FBIOPUT_VSCREENINFO failed; frame not displayed"); |
| } |
| |
| CALC_FPS(); |
| |
| if (cur_buf == -1) { |
| int nxtAvail = ((nxtBuf.idx + 1) % m->numBuffers); |
| pthread_mutex_lock(&(m->avail[nxtBuf.idx].lock)); |
| m->avail[nxtBuf.idx].is_avail = true; |
| m->avail[nxtBuf.idx].state = REF; |
| pthread_cond_broadcast(&(m->avail[nxtBuf.idx].cond)); |
| pthread_mutex_unlock(&(m->avail[nxtBuf.idx].lock)); |
| } else { |
| pthread_mutex_lock(&(m->avail[nxtBuf.idx].lock)); |
| if (m->avail[nxtBuf.idx].state != SUB) { |
| ALOGE_IF(m->swapInterval != 0, "[%d] state %c, expected %c", nxtBuf.idx, |
| framebufferStateName[m->avail[nxtBuf.idx].state], |
| framebufferStateName[SUB]); |
| } |
| m->avail[nxtBuf.idx].state = REF; |
| pthread_mutex_unlock(&(m->avail[nxtBuf.idx].lock)); |
| |
| pthread_mutex_lock(&(m->avail[cur_buf].lock)); |
| m->avail[cur_buf].is_avail = true; |
| if (m->avail[cur_buf].state != REF) { |
| ALOGE_IF(m->swapInterval != 0, "[%d] state %c, expected %c", cur_buf, |
| framebufferStateName[m->avail[cur_buf].state], |
| framebufferStateName[REF]); |
| } |
| m->avail[cur_buf].state = AVL; |
| pthread_cond_broadcast(&(m->avail[cur_buf].cond)); |
| pthread_mutex_unlock(&(m->avail[cur_buf].lock)); |
| } |
| cur_buf = nxtBuf.idx; |
| } |
| return NULL; |
| } |
| |
| #if defined(HDMI_DUAL_DISPLAY) |
| static int closeHDMIChannel(private_module_t* m) |
| { |
| Overlay* pTemp = m->pobjOverlay; |
| if(pTemp != NULL) |
| pTemp->closeChannel(); |
| return 0; |
| } |
| |
| static void getSecondaryDisplayDestinationInfo(private_module_t* m, overlay_rect& |
| rect, int& orientation) |
| { |
| Overlay* pTemp = m->pobjOverlay; |
| int width = pTemp->getFBWidth(); |
| int height = pTemp->getFBHeight(); |
| int fbwidth = m->info.xres, fbheight = m->info.yres; |
| rect.x = 0; rect.y = 0; |
| rect.w = width; rect.h = height; |
| int rot = m->orientation; |
| switch(rot) { |
| // ROT_0 |
| case 0: |
| // ROT_180 |
| case HAL_TRANSFORM_ROT_180: |
| pTemp->getAspectRatioPosition(fbwidth, fbheight, |
| &rect); |
| if(rot == HAL_TRANSFORM_ROT_180) |
| orientation = HAL_TRANSFORM_ROT_180; |
| else |
| orientation = 0; |
| break; |
| // ROT_90 |
| case HAL_TRANSFORM_ROT_90: |
| // ROT_270 |
| case HAL_TRANSFORM_ROT_270: |
| //Calculate the Aspectratio for the UI |
| //in the landscape mode |
| //Width and height will be swapped as there |
| //is rotation |
| pTemp->getAspectRatioPosition(fbheight, fbwidth, |
| &rect); |
| |
| if(rot == HAL_TRANSFORM_ROT_90) |
| orientation = HAL_TRANSFORM_ROT_270; |
| else if(rot == HAL_TRANSFORM_ROT_270) |
| orientation = HAL_TRANSFORM_ROT_90; |
| break; |
| } |
| return; |
| } |
| |
| static void *hdmi_ui_loop(void *ptr) |
| { |
| private_module_t* m = reinterpret_cast<private_module_t*>( |
| ptr); |
| while (1) { |
| pthread_mutex_lock(&m->overlayLock); |
| while(!(m->hdmiStateChanged)) |
| pthread_cond_wait(&(m->overlayPost), &(m->overlayLock)); |
| m->hdmiStateChanged = false; |
| if (m->exitHDMIUILoop) { |
| pthread_mutex_unlock(&m->overlayLock); |
| return NULL; |
| } |
| bool waitForVsync = true; |
| int flags = WAIT_FOR_VSYNC; |
| if (m->pobjOverlay) { |
| Overlay* pTemp = m->pobjOverlay; |
| if (m->hdmiMirroringState == HDMI_NO_MIRRORING) |
| closeHDMIChannel(m); |
| else if(m->hdmiMirroringState == HDMI_UI_MIRRORING) { |
| if (!pTemp->isChannelUP()) { |
| int alignedW = ALIGN(m->info.xres, 32); |
| |
| private_handle_t const* hnd = |
| reinterpret_cast<private_handle_t const*>(m->framebuffer); |
| overlay_buffer_info info; |
| info.width = alignedW; |
| info.height = hnd->height; |
| info.format = hnd->format; |
| info.size = hnd->size; |
| |
| if (m->trueMirrorSupport) |
| flags &= ~WAIT_FOR_VSYNC; |
| // start the overlay Channel for mirroring |
| // m->enableHDMIOutput corresponds to the fbnum |
| if (pTemp->startChannel(info, m->enableHDMIOutput, |
| false, true, 0, VG0_PIPE, flags)) { |
| pTemp->setFd(m->framebuffer->fd); |
| pTemp->setCrop(0, 0, m->info.xres, m->info.yres); |
| } else |
| closeHDMIChannel(m); |
| } |
| |
| if (pTemp->isChannelUP()) { |
| overlay_rect destRect; |
| int rot = 0; |
| int currOrientation = 0; |
| getSecondaryDisplayDestinationInfo(m, destRect, rot); |
| pTemp->getOrientation(currOrientation); |
| if(rot != currOrientation) { |
| pTemp->setTransform(rot); |
| } |
| EVEN_OUT(destRect.x); |
| EVEN_OUT(destRect.y); |
| EVEN_OUT(destRect.w); |
| EVEN_OUT(destRect.h); |
| int currentX = 0, currentY = 0; |
| uint32_t currentW = 0, currentH = 0; |
| if (pTemp->getPosition(currentX, currentY, currentW, currentH)) { |
| if ((currentX != destRect.x) || (currentY != destRect.y) || |
| (currentW != destRect.w) || (currentH != destRect.h)) { |
| pTemp->setPosition(destRect.x, destRect.y, destRect.w, |
| destRect.h); |
| } |
| } |
| if (m->trueMirrorSupport) { |
| // if video is started the UI channel should be NO_WAIT. |
| flags = !m->videoOverlay ? WAIT_FOR_VSYNC : 0; |
| pTemp->updateOverlayFlags(flags); |
| } |
| pTemp->queueBuffer(m->currentOffset); |
| } |
| } |
| else |
| closeHDMIChannel(m); |
| } |
| pthread_mutex_unlock(&m->overlayLock); |
| } |
| return NULL; |
| } |
| |
| static int fb_videoOverlayStarted(struct framebuffer_device_t* dev, int started) |
| { |
| private_module_t* m = reinterpret_cast<private_module_t*>( |
| dev->common.module); |
| pthread_mutex_lock(&m->overlayLock); |
| Overlay* pTemp = m->pobjOverlay; |
| if(started != m->videoOverlay) { |
| m->videoOverlay = started; |
| if (!m->trueMirrorSupport) { |
| m->hdmiStateChanged = true; |
| if (started && pTemp) { |
| m->hdmiMirroringState = HDMI_NO_MIRRORING; |
| closeHDMIChannel(m); |
| } else if (m->enableHDMIOutput) |
| m->hdmiMirroringState = HDMI_UI_MIRRORING; |
| pthread_cond_signal(&(m->overlayPost)); |
| } |
| } |
| pthread_mutex_unlock(&m->overlayLock); |
| return 0; |
| } |
| |
| static int fb_enableHDMIOutput(struct framebuffer_device_t* dev, int externaltype) |
| { |
| private_module_t* m = reinterpret_cast<private_module_t*>( |
| dev->common.module); |
| pthread_mutex_lock(&m->overlayLock); |
| Overlay* pTemp = m->pobjOverlay; |
| //Check if true mirroring can be supported |
| m->trueMirrorSupport = FrameBufferInfo::getInstance()->canSupportTrueMirroring(); |
| m->enableHDMIOutput = externaltype; |
| ALOGE("In fb_enableHDMIOutput: externaltype = %d", m->enableHDMIOutput); |
| if(externaltype) { |
| if (m->trueMirrorSupport) { |
| m->hdmiMirroringState = HDMI_UI_MIRRORING; |
| } else { |
| if(!m->videoOverlay) |
| m->hdmiMirroringState = HDMI_UI_MIRRORING; |
| } |
| } else if (!externaltype && pTemp) { |
| m->hdmiMirroringState = HDMI_NO_MIRRORING; |
| closeHDMIChannel(m); |
| } |
| m->hdmiStateChanged = true; |
| pthread_cond_signal(&(m->overlayPost)); |
| pthread_mutex_unlock(&m->overlayLock); |
| return 0; |
| } |
| |
| |
| static int fb_setActionSafeWidthRatio(struct framebuffer_device_t* dev, float asWidthRatio) |
| { |
| private_module_t* m = reinterpret_cast<private_module_t*>( |
| dev->common.module); |
| pthread_mutex_lock(&m->overlayLock); |
| m->actionsafeWidthRatio = asWidthRatio; |
| pthread_mutex_unlock(&m->overlayLock); |
| return 0; |
| } |
| |
| static int fb_setActionSafeHeightRatio(struct framebuffer_device_t* dev, float asHeightRatio) |
| { |
| private_module_t* m = reinterpret_cast<private_module_t*>( |
| dev->common.module); |
| pthread_mutex_lock(&m->overlayLock); |
| m->actionsafeHeightRatio = asHeightRatio; |
| pthread_mutex_unlock(&m->overlayLock); |
| return 0; |
| } |
| |
| static int fb_orientationChanged(struct framebuffer_device_t* dev, int orientation) |
| { |
| private_module_t* m = reinterpret_cast<private_module_t*>( |
| dev->common.module); |
| pthread_mutex_lock(&m->overlayLock); |
| neworientation = orientation; |
| pthread_mutex_unlock(&m->overlayLock); |
| return 0; |
| } |
| #endif |
| |
| static int fb_post(struct framebuffer_device_t* dev, buffer_handle_t buffer) |
| { |
| if (private_handle_t::validate(buffer) < 0) |
| return -EINVAL; |
| |
| int nxtIdx, futureIdx = -1; |
| bool reuse; |
| struct qbuf_t qb; |
| fb_context_t* ctx = (fb_context_t*)dev; |
| |
| private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(buffer); |
| private_module_t* m = reinterpret_cast<private_module_t*>( |
| dev->common.module); |
| |
| if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) { |
| |
| reuse = false; |
| nxtIdx = (m->currentIdx + 1) % m->numBuffers; |
| futureIdx = (nxtIdx + 1) % m->numBuffers; |
| |
| if (m->swapInterval == 0) { |
| // if SwapInterval = 0 and no buffers available then reuse |
| // current buf for next rendering so don't post new buffer |
| if (pthread_mutex_trylock(&(m->avail[nxtIdx].lock))) { |
| reuse = true; |
| } else { |
| if (! m->avail[nxtIdx].is_avail) |
| reuse = true; |
| pthread_mutex_unlock(&(m->avail[nxtIdx].lock)); |
| } |
| } |
| |
| if(!reuse){ |
| // unlock previous ("current") Buffer and lock the new buffer |
| m->base.lock(&m->base, buffer, |
| private_module_t::PRIV_USAGE_LOCKED_FOR_POST, |
| 0,0, m->info.xres, m->info.yres, NULL); |
| |
| // post/queue the new buffer |
| pthread_mutex_lock(&(m->avail[nxtIdx].lock)); |
| if (m->avail[nxtIdx].is_avail != true) { |
| ALOGE_IF(m->swapInterval != 0, "Found %d buf to be not avail", nxtIdx); |
| } |
| |
| m->avail[nxtIdx].is_avail = false; |
| |
| if (m->avail[nxtIdx].state != AVL) { |
| ALOGD("[%d] state %c, expected %c", nxtIdx, |
| framebufferStateName[m->avail[nxtIdx].state], |
| framebufferStateName[AVL]); |
| } |
| |
| m->avail[nxtIdx].state = SUB; |
| pthread_mutex_unlock(&(m->avail[nxtIdx].lock)); |
| |
| qb.idx = nxtIdx; |
| qb.buf = buffer; |
| pthread_mutex_lock(&(m->qlock)); |
| m->disp.push(qb); |
| pthread_cond_signal(&(m->qpost)); |
| pthread_mutex_unlock(&(m->qlock)); |
| |
| if (m->currentBuffer) |
| m->base.unlock(&m->base, m->currentBuffer); |
| |
| m->currentBuffer = buffer; |
| m->currentIdx = nxtIdx; |
| } else { |
| if (m->currentBuffer) |
| m->base.unlock(&m->base, m->currentBuffer); |
| m->base.lock(&m->base, buffer, |
| private_module_t::PRIV_USAGE_LOCKED_FOR_POST, |
| 0,0, m->info.xres, m->info.yres, NULL); |
| m->currentBuffer = buffer; |
| } |
| |
| } else { |
| void* fb_vaddr; |
| void* buffer_vaddr; |
| m->base.lock(&m->base, m->framebuffer, |
| GRALLOC_USAGE_SW_WRITE_RARELY, |
| 0, 0, m->info.xres, m->info.yres, |
| &fb_vaddr); |
| |
| m->base.lock(&m->base, buffer, |
| GRALLOC_USAGE_SW_READ_RARELY, |
| 0, 0, m->info.xres, m->info.yres, |
| &buffer_vaddr); |
| |
| //memcpy(fb_vaddr, buffer_vaddr, m->finfo.line_length * m->info.yres); |
| |
| msm_copy_buffer( |
| m->framebuffer, m->framebuffer->fd, |
| m->info.xres, m->info.yres, m->fbFormat, |
| m->info.xoffset, m->info.yoffset, |
| m->info.width, m->info.height); |
| |
| m->base.unlock(&m->base, buffer); |
| m->base.unlock(&m->base, m->framebuffer); |
| } |
| |
| ALOGD_IF(FB_DEBUG, "Framebuffer state: [0] = %c [1] = %c [2] = %c", |
| framebufferStateName[m->avail[0].state], |
| framebufferStateName[m->avail[1].state], |
| framebufferStateName[m->avail[2].state]); |
| return 0; |
| } |
| |
| static int fb_compositionComplete(struct framebuffer_device_t* dev) |
| { |
| // TODO: Properly implement composition complete callback |
| glFinish(); |
| |
| return 0; |
| } |
| |
| static int fb_lockBuffer(struct framebuffer_device_t* dev, int index) |
| { |
| private_module_t* m = reinterpret_cast<private_module_t*>( |
| dev->common.module); |
| |
| // Return immediately if the buffer is available |
| if ((m->avail[index].state == AVL) || (m->swapInterval == 0)) |
| return 0; |
| |
| pthread_mutex_lock(&(m->avail[index].lock)); |
| while (m->avail[index].state != AVL) { |
| pthread_cond_wait(&(m->avail[index].cond), |
| &(m->avail[index].lock)); |
| } |
| pthread_mutex_unlock(&(m->avail[index].lock)); |
| |
| return 0; |
| } |
| |
| /*****************************************************************************/ |
| |
| int mapFrameBufferLocked(struct private_module_t* module) |
| { |
| // already initialized... |
| if (module->framebuffer) { |
| return 0; |
| } |
| char const * const device_template[] = { |
| "/dev/graphics/fb%u", |
| "/dev/fb%u", |
| 0 }; |
| |
| int fd = -1; |
| int i=0; |
| char name[64]; |
| char property[PROPERTY_VALUE_MAX]; |
| |
| while ((fd==-1) && device_template[i]) { |
| snprintf(name, 64, device_template[i], 0); |
| fd = open(name, O_RDWR, 0); |
| i++; |
| } |
| if (fd < 0) |
| return -errno; |
| |
| struct fb_fix_screeninfo finfo; |
| if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) == -1) |
| return -errno; |
| |
| struct fb_var_screeninfo info; |
| if (ioctl(fd, FBIOGET_VSCREENINFO, &info) == -1) |
| return -errno; |
| |
| info.reserved[0] = 0; |
| info.reserved[1] = 0; |
| info.reserved[2] = 0; |
| info.xoffset = 0; |
| info.yoffset = 0; |
| info.activate = FB_ACTIVATE_NOW; |
| |
| /* Interpretation of offset for color fields: All offsets are from the right, |
| * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you |
| * can use the offset as right argument to <<). A pixel afterwards is a bit |
| * stream and is written to video memory as that unmodified. This implies |
| * big-endian byte order if bits_per_pixel is greater than 8. |
| */ |
| |
| if(info.bits_per_pixel == 32) { |
| /* |
| * Explicitly request RGBA_8888 |
| */ |
| info.bits_per_pixel = 32; |
| info.red.offset = 24; |
| info.red.length = 8; |
| info.green.offset = 16; |
| info.green.length = 8; |
| info.blue.offset = 8; |
| info.blue.length = 8; |
| info.transp.offset = 0; |
| info.transp.length = 8; |
| |
| /* Note: the GL driver does not have a r=8 g=8 b=8 a=0 config, so if we do |
| * not use the MDP for composition (i.e. hw composition == 0), ask for |
| * RGBA instead of RGBX. */ |
| if (property_get("debug.sf.hw", property, NULL) > 0 && atoi(property) == 0) |
| module->fbFormat = HAL_PIXEL_FORMAT_RGBX_8888; |
| else if(property_get("debug.composition.type", property, NULL) > 0 && (strncmp(property, "mdp", 3) == 0)) |
| module->fbFormat = HAL_PIXEL_FORMAT_RGBX_8888; |
| else |
| module->fbFormat = HAL_PIXEL_FORMAT_RGBA_8888; |
| } else { |
| /* |
| * Explicitly request 5/6/5 |
| */ |
| info.bits_per_pixel = 16; |
| info.red.offset = 11; |
| info.red.length = 5; |
| info.green.offset = 5; |
| info.green.length = 6; |
| info.blue.offset = 0; |
| info.blue.length = 5; |
| info.transp.offset = 0; |
| info.transp.length = 0; |
| module->fbFormat = HAL_PIXEL_FORMAT_RGB_565; |
| } |
| |
| //adreno needs 4k aligned offsets. Max hole size is 4096-1 |
| int size = roundUpToPageSize(info.yres * info.xres * (info.bits_per_pixel/8)); |
| |
| /* |
| * Request NUM_BUFFERS screens (at lest 2 for page flipping) |
| */ |
| int numberOfBuffers = (int)(finfo.smem_len/size); |
| ALOGV("num supported framebuffers in kernel = %d", numberOfBuffers); |
| |
| if (property_get("debug.gr.numframebuffers", property, NULL) > 0) { |
| int num = atoi(property); |
| if ((num >= NUM_FRAMEBUFFERS_MIN) && (num <= NUM_FRAMEBUFFERS_MAX)) { |
| numberOfBuffers = num; |
| } |
| } |
| if (numberOfBuffers > NUM_FRAMEBUFFERS_MAX) |
| numberOfBuffers = NUM_FRAMEBUFFERS_MAX; |
| |
| ALOGV("We support %d buffers", numberOfBuffers); |
| |
| //consider the included hole by 4k alignment |
| uint32_t line_length = (info.xres * info.bits_per_pixel / 8); |
| info.yres_virtual = (size * numberOfBuffers) / line_length; |
| |
| uint32_t flags = PAGE_FLIP; |
| if (ioctl(fd, FBIOPUT_VSCREENINFO, &info) == -1) { |
| info.yres_virtual = size / line_length; |
| flags &= ~PAGE_FLIP; |
| ALOGW("FBIOPUT_VSCREENINFO failed, page flipping not supported"); |
| } |
| |
| if (info.yres_virtual < ((size * 2) / line_length) ) { |
| // we need at least 2 for page-flipping |
| info.yres_virtual = size / line_length; |
| flags &= ~PAGE_FLIP; |
| ALOGW("page flipping not supported (yres_virtual=%d, requested=%d)", |
| info.yres_virtual, info.yres*2); |
| } |
| |
| if (ioctl(fd, FBIOGET_VSCREENINFO, &info) == -1) |
| return -errno; |
| |
| if (int(info.width) <= 0 || int(info.height) <= 0) { |
| // the driver doesn't return that information |
| // default to 160 dpi |
| info.width = ((info.xres * 25.4f)/160.0f + 0.5f); |
| info.height = ((info.yres * 25.4f)/160.0f + 0.5f); |
| } |
| |
| float xdpi = (info.xres * 25.4f) / info.width; |
| float ydpi = (info.yres * 25.4f) / info.height; |
| //The reserved[4] field is used to store FPS by the driver. |
| float fps = info.reserved[4]; |
| |
| ALOGI( "using (fd=%d)\n" |
| "id = %s\n" |
| "xres = %d px\n" |
| "yres = %d px\n" |
| "xres_virtual = %d px\n" |
| "yres_virtual = %d px\n" |
| "bpp = %d\n" |
| "r = %2u:%u\n" |
| "g = %2u:%u\n" |
| "b = %2u:%u\n", |
| fd, |
| finfo.id, |
| info.xres, |
| info.yres, |
| info.xres_virtual, |
| info.yres_virtual, |
| info.bits_per_pixel, |
| info.red.offset, info.red.length, |
| info.green.offset, info.green.length, |
| info.blue.offset, info.blue.length |
| ); |
| |
| ALOGI( "width = %d mm (%f dpi)\n" |
| "height = %d mm (%f dpi)\n" |
| "refresh rate = %.2f Hz\n", |
| info.width, xdpi, |
| info.height, ydpi, |
| fps |
| ); |
| |
| |
| if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) == -1) |
| return -errno; |
| |
| if (finfo.smem_len <= 0) |
| return -errno; |
| |
| module->flags = flags; |
| module->info = info; |
| module->finfo = finfo; |
| module->xdpi = xdpi; |
| module->ydpi = ydpi; |
| module->fps = fps; |
| |
| #ifdef NO_SURFACEFLINGER_SWAPINTERVAL |
| char pval[PROPERTY_VALUE_MAX]; |
| property_get("debug.gr.swapinterval", pval, "1"); |
| module->swapInterval = atoi(pval); |
| if (module->swapInterval < private_module_t::PRIV_MIN_SWAP_INTERVAL || |
| module->swapInterval > private_module_t::PRIV_MAX_SWAP_INTERVAL) { |
| module->swapInterval = 1; |
| ALOGW("Out of range (%d to %d) value for debug.gr.swapinterval, using 1", |
| private_module_t::PRIV_MIN_SWAP_INTERVAL, |
| private_module_t::PRIV_MAX_SWAP_INTERVAL); |
| } |
| |
| #else |
| /* when surfaceflinger supports swapInterval then can just do this */ |
| module->swapInterval = 1; |
| #endif |
| |
| CALC_INIT(); |
| |
| module->currentIdx = -1; |
| pthread_cond_init(&(module->qpost), NULL); |
| pthread_mutex_init(&(module->qlock), NULL); |
| for (i = 0; i < NUM_FRAMEBUFFERS_MAX; i++) { |
| pthread_mutex_init(&(module->avail[i].lock), NULL); |
| pthread_cond_init(&(module->avail[i].cond), NULL); |
| module->avail[i].is_avail = true; |
| module->avail[i].state = AVL; |
| } |
| |
| /* create display update thread */ |
| pthread_t thread1; |
| if (pthread_create(&thread1, NULL, &disp_loop, (void *) module)) { |
| return -errno; |
| } |
| |
| /* |
| * map the framebuffer |
| */ |
| |
| int err; |
| module->numBuffers = info.yres_virtual / info.yres; |
| module->bufferMask = 0; |
| //adreno needs page aligned offsets. Align the fbsize to pagesize. |
| size_t fbSize = roundUpToPageSize(finfo.line_length * info.yres) * module->numBuffers; |
| module->framebuffer = new private_handle_t(fd, fbSize, |
| private_handle_t::PRIV_FLAGS_USES_PMEM, BUFFER_TYPE_UI, |
| module->fbFormat, info.xres, info.yres); |
| void* vaddr = mmap(0, fbSize, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); |
| if (vaddr == MAP_FAILED) { |
| ALOGE("Error mapping the framebuffer (%s)", strerror(errno)); |
| return -errno; |
| } |
| module->framebuffer->base = intptr_t(vaddr); |
| memset(vaddr, 0, fbSize); |
| |
| #if defined(HDMI_DUAL_DISPLAY) |
| /* Overlay for HDMI*/ |
| pthread_mutex_init(&(module->overlayLock), NULL); |
| pthread_cond_init(&(module->overlayPost), NULL); |
| module->pobjOverlay = new Overlay(); |
| module->currentOffset = 0; |
| module->exitHDMIUILoop = false; |
| module->hdmiStateChanged = false; |
| pthread_t hdmiUIThread; |
| pthread_create(&hdmiUIThread, NULL, &hdmi_ui_loop, (void *) module); |
| module->hdmiMirroringState = HDMI_NO_MIRRORING; |
| module->trueMirrorSupport = false; |
| #endif |
| |
| return 0; |
| } |
| |
| static int mapFrameBuffer(struct private_module_t* module) |
| { |
| pthread_mutex_lock(&module->lock); |
| int err = mapFrameBufferLocked(module); |
| pthread_mutex_unlock(&module->lock); |
| return err; |
| } |
| |
| /*****************************************************************************/ |
| |
| static int fb_close(struct hw_device_t *dev) |
| { |
| fb_context_t* ctx = (fb_context_t*)dev; |
| #if defined(HDMI_DUAL_DISPLAY) |
| private_module_t* m = reinterpret_cast<private_module_t*>( |
| ctx->device.common.module); |
| pthread_mutex_lock(&m->overlayLock); |
| m->exitHDMIUILoop = true; |
| pthread_cond_signal(&(m->overlayPost)); |
| pthread_mutex_unlock(&m->overlayLock); |
| #endif |
| if (ctx) { |
| free(ctx); |
| } |
| return 0; |
| } |
| |
| int fb_device_open(hw_module_t const* module, const char* name, |
| hw_device_t** device) |
| { |
| int status = -EINVAL; |
| if (!strcmp(name, GRALLOC_HARDWARE_FB0)) { |
| alloc_device_t* gralloc_device; |
| status = gralloc_open(module, &gralloc_device); |
| if (status < 0) |
| return status; |
| |
| /* initialize our state here */ |
| fb_context_t *dev = (fb_context_t*)malloc(sizeof(*dev)); |
| 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 = fb_close; |
| dev->device.setSwapInterval = fb_setSwapInterval; |
| dev->device.post = fb_post; |
| dev->device.setUpdateRect = 0; |
| dev->device.compositionComplete = fb_compositionComplete; |
| //dev->device.lockBuffer = fb_lockBuffer; |
| #if defined(HDMI_DUAL_DISPLAY) |
| dev->device.orientationChanged = fb_orientationChanged; |
| dev->device.videoOverlayStarted = fb_videoOverlayStarted; |
| dev->device.enableHDMIOutput = fb_enableHDMIOutput; |
| dev->device.setActionSafeWidthRatio = fb_setActionSafeWidthRatio; |
| dev->device.setActionSafeHeightRatio = fb_setActionSafeHeightRatio; |
| #endif |
| |
| private_module_t* m = (private_module_t*)module; |
| status = mapFrameBuffer(m); |
| if (status >= 0) { |
| int stride = m->finfo.line_length / (m->info.bits_per_pixel >> 3); |
| const_cast<uint32_t&>(dev->device.flags) = 0; |
| const_cast<uint32_t&>(dev->device.width) = m->info.xres; |
| const_cast<uint32_t&>(dev->device.height) = m->info.yres; |
| const_cast<int&>(dev->device.stride) = stride; |
| const_cast<int&>(dev->device.format) = m->fbFormat; |
| const_cast<float&>(dev->device.xdpi) = m->xdpi; |
| const_cast<float&>(dev->device.ydpi) = m->ydpi; |
| const_cast<float&>(dev->device.fps) = m->fps; |
| const_cast<int&>(dev->device.minSwapInterval) = private_module_t::PRIV_MIN_SWAP_INTERVAL; |
| const_cast<int&>(dev->device.maxSwapInterval) = private_module_t::PRIV_MAX_SWAP_INTERVAL; |
| //const_cast<int&>(dev->device.numFramebuffers) = m->numBuffers; |
| if (m->finfo.reserved[0] == 0x5444 && |
| m->finfo.reserved[1] == 0x5055) { |
| dev->device.setUpdateRect = fb_setUpdateRect; |
| ALOGD("UPDATE_ON_DEMAND supported"); |
| } |
| |
| *device = &dev->device.common; |
| } |
| |
| // Close the gralloc module |
| gralloc_close(gralloc_device); |
| } |
| return status; |
| } |
| |
| /* Copy a pmem buffer to the framebuffer */ |
| |
| static void |
| msm_copy_buffer(buffer_handle_t handle, int fd, |
| int width, int height, int format, |
| int x, int y, int w, int h) |
| { |
| struct { |
| unsigned int count; |
| mdp_blit_req req; |
| } blit; |
| private_handle_t *priv = (private_handle_t*) handle; |
| |
| memset(&blit, 0, sizeof(blit)); |
| blit.count = 1; |
| |
| blit.req.flags = 0; |
| blit.req.alpha = 0xff; |
| blit.req.transp_mask = 0xffffffff; |
| |
| blit.req.src.width = width; |
| blit.req.src.height = height; |
| blit.req.src.offset = 0; |
| blit.req.src.memory_id = priv->fd; |
| |
| blit.req.dst.width = width; |
| blit.req.dst.height = height; |
| blit.req.dst.offset = 0; |
| blit.req.dst.memory_id = fd; |
| blit.req.dst.format = format; |
| |
| blit.req.src_rect.x = blit.req.dst_rect.x = x; |
| blit.req.src_rect.y = blit.req.dst_rect.y = y; |
| blit.req.src_rect.w = blit.req.dst_rect.w = w; |
| blit.req.src_rect.h = blit.req.dst_rect.h = h; |
| |
| if (ioctl(fd, MSMFB_BLIT, &blit)) |
| ALOGE("MSMFB_BLIT failed = %d", -errno); |
| } |