static int isp_video_buffer_prepare(struct isp_video_buffer *buf) { struct isp_video_fh *vfh = isp_video_queue_to_isp_video_fh(buf->queue); struct isp_buffer *buffer = to_isp_buffer(buf); struct isp_video *video = vfh->video; unsigned long addr; /* Refuse to prepare the buffer is the video node has registered an * error. We don't need to take any lock here as the operation is * inherently racy. The authoritative check will be performed in the * queue handler, which can't return an error, this check is just a best * effort to notify userspace as early as possible. */ if (unlikely(video->error)) return -EIO; addr = ispmmu_vmap(video->isp, buf->sglist, buf->sglen); if (IS_ERR_VALUE(addr)) return -EIO; if (!IS_ALIGNED(addr, 32)) { dev_dbg(video->isp->dev, "Buffer address must be " "aligned to 32 bytes boundary.\n"); ispmmu_vunmap(video->isp, buffer->isp_addr); return -EINVAL; } buf->vbuf.bytesused = vfh->format.fmt.pix.sizeimage; buffer->isp_addr = addr; return 0; }
static void isp_video_buffer_cleanup(struct isp_video_buffer *buf) { struct isp_video_fh *vfh = isp_video_queue_to_isp_video_fh(buf->queue); struct isp_buffer *buffer = to_isp_buffer(buf); struct isp_video *video = vfh->video; if (buffer->isp_addr) { ispmmu_vunmap(video->isp, buffer->isp_addr); buffer->isp_addr = 0; } }
/** * prev2resz_vbq_release - Videobuffer queue release */ static void prev2resz_vbq_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { struct prev2resz_fhdl *fhdl = q->priv_data; if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { ispmmu_vunmap(fhdl->isp, fhdl->dst_buff_addr); fhdl->dst_buff_addr = 0; spin_lock(&fhdl->dst_vbq_lock); vb->state = VIDEOBUF_NEEDS_INIT; spin_unlock(&fhdl->dst_vbq_lock); } else if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { ispmmu_vunmap(fhdl->isp, fhdl->src_buff_addr); fhdl->src_buff_addr = 0; spin_lock(&fhdl->src_vbq_lock); vb->state = VIDEOBUF_NEEDS_INIT; spin_unlock(&fhdl->src_vbq_lock); } if (vb->memory != V4L2_MEMORY_MMAP) { videobuf_dma_unmap(q, videobuf_to_dma(vb)); videobuf_dma_free(videobuf_to_dma(vb)); } }
/** * unmap_buffers_from_kernel - Unmaps memory from isp and kernel address space. * @ibuffer: Pointer to internal buffer to be unmapped. * * No return value. **/ void unmap_buffer_from_kernel(struct hp3a_internal_buffer *ibuffer) { if (ibuffer->isp_addr) { #if defined(CONFIG_VIDEO_OLDOMAP3) if (ispmmu_unmap(ibuffer->isp_addr) != 0) { printk(KERN_ERR "Error unmapping from ispmmu (0x%x)!", (unsigned int)ibuffer->isp_addr); } #else ispmmu_vunmap(ibuffer->isp_addr); #endif ibuffer->isp_addr = 0; } if (ibuffer->pages != NULL && ibuffer->buffer_size > 0) { unmap_user_memory(ibuffer->pages, NR_PAGES(ibuffer->user_addr, ibuffer->buffer_size)); kfree(ibuffer->pages); ibuffer->pages = NULL; } }
static int isp_video_buffer_prepare(struct isp_video_buffer *buf) { struct isp_video_fh *vfh = isp_video_queue_to_isp_video_fh(buf->queue); struct isp_buffer *buffer = to_isp_buffer(buf); struct isp_video *video = vfh->video; unsigned long addr; addr = ispmmu_vmap(video->isp, buf->sglist, buf->sglen); if (IS_ERR_VALUE(addr)) return -EIO; if (!IS_ALIGNED(addr, 32)) { dev_dbg(video->isp->dev, "Buffer address must be " "aligned to 32 bytes boundary.\n"); ispmmu_vunmap(video->isp, buffer->isp_addr); return -EINVAL; } buf->vbuf.bytesused = vfh->format.fmt.pix.sizeimage; buffer->isp_addr = addr; return 0; }
int isp_resize_mem_data(struct isp_mem_resize_data *data) { int i; int ret = -1; struct isp_mem_resize_data *presizer_user = \ (struct isp_mem_resize_data *)data; u32 input_buffer_size, output_buffer_size; u32 input_nr_pages, output_nr_pages; struct page **input_pages = NULL; struct page **output_pages = NULL; unsigned long isp_addr_in = 0; unsigned long isp_addr_out = 0; struct isp_mem_resize_data resizer_param; unsigned long timeout; if (presizer_user == NULL) { printk(KERN_ERR "ISP_RESZ_ERR : Invalid user data\n"); return -EINVAL; } memcpy(&resizer_param, presizer_user, \ sizeof(struct isp_mem_resize_data)); DPRINTK_ISPPROC("\nRSZ input(%d-%d) - output(%d-%d)\n", resizer_param.input_width, resizer_param.input_height, resizer_param.output_width, resizer_param.output_height); DPRINTK_ISPPROC("RSZ start(%d-%d) - end(%d-%d)\n", resizer_param.left, resizer_param.top, resizer_param.crop_width, resizer_param.crop_height); if (presizer_user->datain == 0 || presizer_user->dataout == 0) return -EINVAL; ispresizer_enable(0); timeout = jiffies + msecs_to_jiffies(200); while (ispresizer_busy()) { if (time_after(jiffies, timeout)) return -EINVAL; msleep(1); } ispresizer_save_context(); ispresizer_free(); ispresizer_request(); /* set data path before configuring modules. */ ispresizer_config_datapath(RSZ_MEM_YUV, 0); input_buffer_size = ALIGN_TO(presizer_user->input_width* \ presizer_user->input_height*2 , 0x100); input_pages = map_user_memory_to_kernel(presizer_user->datain, input_buffer_size, &input_nr_pages); if (input_pages == NULL) { ret = -EINVAL; printk(KERN_ERR "ISP_RESZ_ERR: memory allocation failed\n"); goto exit_cleanup; } output_buffer_size = ALIGN_TO(presizer_user->output_width* \ presizer_user->output_height*2, 0x1000); output_pages = map_user_memory_to_kernel(presizer_user->dataout, output_buffer_size, &output_nr_pages); if (output_pages == NULL) { ret = -EINVAL; printk(KERN_ERR "ISP_RESZ_ERR: memory allocation failed\n"); goto exit_cleanup; } for (i = 0; i < output_nr_pages; ++i) flush_dcache_page(output_pages[i]); isp_addr_in = ispmmu_vmap_pages(input_pages, input_nr_pages); if (IS_ERR((void *)isp_addr_in)) { isp_addr_in = 0; ret = -EINVAL; printk(KERN_ERR "ISP_RESZ_ERR: isp mmu map failed\n"); goto exit_cleanup; } isp_addr_out = ispmmu_vmap_pages(output_pages, output_nr_pages); if (IS_ERR((void *)isp_addr_out)) { isp_addr_out = 0; ret = -EINVAL; printk(KERN_ERR "ISP_RESZ_ERR: isp mmu map failed\n"); goto exit_cleanup; } if ((resizer_param.left == 0) && (resizer_param.top == 0)) { ret = ispresizer_try_size(&resizer_param.input_width, &resizer_param.input_height, &resizer_param.output_width, &resizer_param.output_height); ret = ispresizer_config_size(resizer_param.input_width, resizer_param.input_height, resizer_param.output_width, resizer_param.output_height); ispresizer_set_inaddr(isp_addr_in); } else { ispresizer_trycrop(resizer_param.left, resizer_param.top, resizer_param.crop_width, resizer_param.crop_height, resizer_param.output_width, resizer_param.output_height); ispresizer_applycrop(); /*pixel alignment in 32bit space, vertical must be 0 per TRM */ isp_reg_writel(((resizer_param.left%16) << ISPRSZ_IN_START_HORZ_ST_SHIFT) | (0 << ISPRSZ_IN_START_VERT_ST_SHIFT), OMAP3_ISP_IOMEM_RESZ, ISPRSZ_IN_START); /* Align input address for cropping, per TRM */ ispresizer_set_inaddr(isp_addr_in + (resizer_param.top*resizer_param.input_width*2) + ((resizer_param.left/16)*32)); } ispresizer_set_inaddr(isp_addr_in); ispresizer_set_outaddr(isp_addr_out); ispresizer_config_ycpos(0); ispresizer_config_inlineoffset( ALIGN_TO(presizer_user->input_width*2, 32)); isp_set_callback(CBK_RESZ_DONE, rsz_isr, (void *) NULL, (void *)NULL); isp_reg_writel(0xFFFFFFFF, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); isp_wfc.done = 0; /* start resizer engine. */ ispresizer_enable(1); ret = wait_for_completion_timeout(&isp_wfc, msecs_to_jiffies(1000)); if (!ret) ispresizer_enable(0); timeout = jiffies + msecs_to_jiffies(50); while (ispresizer_busy()) { msleep(5); if (time_after(jiffies, timeout)) { printk(KERN_ERR "ISP_RESZ_ERR: Resizer still busy"); break; } } isp_reg_writel(0xFFFFFFFF, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); isp_unset_callback(CBK_RESZ_DONE); ret = 0; exit_cleanup: ispresizer_restore_context(); if (isp_addr_in != 0) ispmmu_vunmap(isp_addr_in); if (isp_addr_out != 0) ispmmu_vunmap(isp_addr_out); if (input_pages != NULL) { unmap_user_memory_from_kernel(input_pages, input_nr_pages); kfree(input_pages); } if (output_pages != NULL) { unmap_user_memory_from_kernel(output_pages, output_nr_pages); kfree(output_pages); } DPRINTK_ISPPROC("resizer exit.\n"); return ret; }
int isp_process_mem_data(struct isp_mem_data *data) { int i; int ret = -1; struct isp_mem_data *ppreview_user = \ (struct isp_mem_data *)data; struct isp_mem_data preview_param; u32 input_buffer_size, output_buffer_size; u32 input_nr_pages, output_nr_pages; struct page **input_pages = NULL; struct page **output_pages = NULL; unsigned long isp_addr_in = 0; unsigned long isp_addr_out = 0; unsigned long isp_addr_tmp = 0; unsigned long timeout; struct isp_mem_resize_data resizer_param; u16 cropadjust = 0; if (ppreview_user == NULL) { printk(KERN_ERR "ISP_PROC_ERR: Invalid user data!\n"); return -EINVAL; } memcpy(&preview_param, ppreview_user, \ sizeof(struct isp_mem_data)); DPRINTK_ISPPROC("input(%d-%d) - output(%d-%d)\n", preview_param.input_width, preview_param.input_height, preview_param.output_width, preview_param.output_height); DPRINTK_ISPPROC("start(%d-%d) - end(%d-%d)\n", preview_param.left, preview_param.top, preview_param.crop_width, preview_param.crop_height); if (ppreview_user->datain == 0 || ppreview_user->dataout == 0) return -EINVAL; isppreview_enable(0); ispresizer_enable(0); timeout = jiffies + msecs_to_jiffies(200); while (isppreview_busy() || ispresizer_busy()) { if (time_after(jiffies, timeout)) return -EINVAL; msleep(1); } isppreview_save_context(); ispresizer_save_context(); isppreview_free(); ispresizer_free(); isppreview_request(); ispresizer_request(); /* set data path before configuring modules. */ isppreview_update_datapath(PRV_RAW_MEM, PREVIEW_MEM); ispresizer_config_datapath(RSZ_MEM_YUV, 0); ret = isppreview_try_size(preview_param.input_width, preview_param.input_height, &preview_param.output_width, &preview_param.output_height); if (ret < 0) goto exit_cleanup; ret = isppreview_config_size(preview_param.input_width, preview_param.input_height, preview_param.output_width, preview_param.output_height); if (ret < 0) goto exit_cleanup; input_buffer_size = ALIGN_TO(ppreview_user->input_width* \ ppreview_user->input_height*2 , 0x100); input_pages = map_user_memory_to_kernel(preview_param.datain, input_buffer_size, &input_nr_pages); if (input_pages == NULL) { ret = -EINVAL; printk(KERN_ERR "ISP_PROC_ERR: memory allocation failed\n"); goto exit_cleanup; } output_buffer_size = ALIGN_TO(ppreview_user->output_width* \ ppreview_user->output_height*2, 0x1000); output_pages = map_user_memory_to_kernel(preview_param.dataout, output_buffer_size, &output_nr_pages); if (output_pages == NULL) { ret = -EINVAL; printk(KERN_ERR "ISP_PROC_ERR: memory allocation failed\n"); goto exit_cleanup; } for (i = 0; i < output_nr_pages; ++i) flush_dcache_page(output_pages[i]); isp_addr_in = ispmmu_vmap_pages(input_pages, input_nr_pages); if (IS_ERR((void *)isp_addr_in)) { isp_addr_in = 0; ret = -EINVAL; printk(KERN_ERR "ISP_PROC_ERR: isp mmu map failed\n"); goto exit_cleanup; } isp_addr_out = ispmmu_vmap_pages(output_pages, output_nr_pages); if (IS_ERR((void *)isp_addr_out)) { isp_addr_out = 0; ret = -EINVAL; printk(KERN_ERR "ISP_PROC_ERR: isp mmu map failed\n"); goto exit_cleanup; } /* This buffer must be allocated and mapped to the ISP MMU previously. */ isp_addr_tmp = isp_tmp_buf_addr(); if (isp_addr_tmp == 0) { printk(KERN_ERR "ISP_PROC_ERR: Invalid isp tmp buffer address!\n"); goto exit_cleanup; } isppreview_config_inlineoffset(ppreview_user->input_width * 2); isppreview_set_inaddr(isp_addr_in); isppreview_set_outaddr(isp_addr_tmp); resizer_param.input_width = preview_param.output_width; resizer_param.input_height = preview_param.output_height; resizer_param.output_width = ppreview_user->output_width; resizer_param.output_height = ppreview_user->output_height; if ((preview_param.left == 0) && (preview_param.top == 0)) { ret = ispresizer_try_size(&resizer_param.input_width, &resizer_param.input_height, &resizer_param.output_width, &resizer_param.output_height); if (ret < 0) goto exit_cleanup; ret = ispresizer_config_size(resizer_param.input_width, resizer_param.input_height, resizer_param.output_width, resizer_param.output_height); if (ret < 0) goto exit_cleanup; ispresizer_set_inaddr(isp_addr_tmp); } else { ispresizer_trycrop(preview_param.left, preview_param.top, preview_param.crop_width, preview_param.crop_height, resizer_param.output_width, resizer_param.output_height); ispresizer_applycrop(); /* account for pixel loss when using crop*/ if ((preview_param.input_height > preview_param.output_height) && (preview_param.top > 16)) cropadjust = 8; else cropadjust = 0; /* pixel alignment in 32bit space, vertical must be 0 per TRM */ isp_reg_writel(((preview_param.left%16) << ISPRSZ_IN_START_HORZ_ST_SHIFT) | (0 << ISPRSZ_IN_START_VERT_ST_SHIFT), OMAP3_ISP_IOMEM_RESZ, ISPRSZ_IN_START); /* Align input address for cropping, per TRM */ ispresizer_set_inaddr(isp_addr_tmp - (resizer_param.input_width*2*cropadjust) + (preview_param.top*resizer_param.input_width*2) + ((preview_param.left/16)*32)); } ispresizer_set_outaddr(isp_addr_out); ispresizer_config_inlineoffset( ALIGN_TO(resizer_param.input_width*2, 32)); if (isp_set_callback(CBK_PREV_DONE, prv_isr, (void *) NULL, (void *)NULL) != 0) { printk(KERN_ERR "ISP_PROC_ERR: Error setting PRV callback.\n"); goto exit_cleanup; } if (isp_set_callback(CBK_RESZ_DONE, rsz_isr, (void *) NULL, (void *)NULL) != 0) { printk(KERN_ERR "ISP_PROC_ERR: Error setting RSZ callback.\n"); goto exit_cleanup; } isp_reg_writel(0xFFFFFFFF, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); isp_wfc.done = 0; /* start preview engine. */ isppreview_enable(1); ret = wait_for_completion_timeout(&isp_wfc, msecs_to_jiffies(1000)); if (!ret) { isppreview_enable(0); ispresizer_enable(0); } timeout = jiffies + msecs_to_jiffies(50); while (ispresizer_busy()) { msleep(5); if (time_after(jiffies, timeout)) { printk(KERN_ERR "ISP_RESZ_ERR: Resizer still busy"); break; } } isp_reg_writel(0xFFFFFFFF, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); isp_unset_callback(CBK_PREV_DONE); isp_unset_callback(CBK_RESZ_DONE); exit_cleanup: isppreview_restore_context(); ispresizer_restore_context(); if (isp_addr_in != 0) ispmmu_vunmap(isp_addr_in); if (isp_addr_out != 0) ispmmu_vunmap(isp_addr_out); if (input_pages != NULL) { unmap_user_memory_from_kernel(input_pages, input_nr_pages); kfree(input_pages); } if (output_pages != NULL) { unmap_user_memory_from_kernel(output_pages, output_nr_pages); kfree(output_pages); } DPRINTK_ISPPROC("exit.\n"); return ret; }