/** * ispresizer_config_size - Configures input and output image size. * @pipe: Resizer data path parameters. * * Configures the appropriate values stored in the isp_res structure in the * resizer registers. * * Returns 0 if successful, or -EINVAL if passed values haven't been verified * with ispresizer_try_size() previously. **/ int ispresizer_s_pipeline(struct isp_res_device *isp_res, struct isp_node *pipe) { struct device *dev = to_device(isp_res); int bpp = ISP_BYTES_PER_PIXEL; ispresizer_set_source(isp_res, pipe->in.path); ispresizer_set_intype(isp_res, pipe->in.path); ispresizer_set_start_phase(dev, NULL); ispresizer_set_luma_enhance(dev, NULL); if (pipe->in.image.pixelformat == V4L2_PIX_FMT_YUYV) ispresizer_config_ycpos(isp_res, 1); else ispresizer_config_ycpos(isp_res, 0); ispresizer_try_pipeline(isp_res, pipe); ispresizer_set_ratio(dev, isp_res->h_resz, isp_res->v_resz); ispresizer_set_coeffs(dev, NULL, isp_res->h_resz, isp_res->v_resz); /* Switch filter, releated to up/down scale */ if (ispresizer_is_upscale(pipe)) ispresizer_enable_cbilin(isp_res, 1); else ispresizer_enable_cbilin(isp_res, 0); /* Set input and output size */ ispresizer_set_input_size(dev, isp_res->phy_rect.width, isp_res->phy_rect.height); ispresizer_set_output_size(dev, pipe->out.image.width, pipe->out.image.height); /* Set input address and line offset address */ if (pipe->in.path != RSZ_OTFLY_YUV) { /* Set the input address, plus calculated crop offset */ ispresizer_set_inaddr(isp_res, isp_res->in_buff_addr, pipe); /* Set the input line offset/length */ ispresizer_set_in_offset(isp_res, pipe->in.image.bytesperline); } else { /* Set the input address.*/ ispresizer_set_inaddr(isp_res, 0, NULL); /* Set the starting pixel offset */ ispresizer_set_start(dev, isp_res->phy_rect.left * bpp, isp_res->phy_rect.top); ispresizer_set_in_offset(isp_res, 0); } /* Set output line offset */ ispresizer_set_out_offset(isp_res, pipe->out.image.bytesperline); return 0; }
/** * ispresizer_config_datapath - Specifies which input to use in resizer module * @input: Indicates the module that gives the image to resizer. * * Sets up the default resizer configuration according to the arguments. * * Returns 0 if successful, or -1 if an unsupported input was requested. **/ int ispresizer_config_datapath(enum ispresizer_input input) { u32 cnt = 0; DPRINTK_ISPRESZ("ispresizer_config_datapath()+\n"); ispres_obj.resinput = input; switch (input) { case RSZ_OTFLY_YUV: cnt &= ~ISPRSZ_CNT_INPTYP; cnt &= ~ISPRSZ_CNT_INPSRC; ispresizer_set_inaddr(0); ispresizer_config_inlineoffset(0); break; case RSZ_MEM_YUV: cnt |= ISPRSZ_CNT_INPSRC; cnt &= ~ISPRSZ_CNT_INPTYP; break; case RSZ_MEM_COL8: cnt |= ISPRSZ_CNT_INPSRC; cnt |= ISPRSZ_CNT_INPTYP; break; default: DPRINTK_ISPRESZ( "ISP_ERR : Wrong Input\n"); return -1; } isp_reg_or(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, cnt); //ispresizer_config_ycpos(0); ispresizer_config_ycpos(1); ispresizer_config_filter_coef(&ispreszdefcoef); ispresizer_enable_cbilin(0); ispresizer_config_luma_enhance(&ispreszdefaultyenh); DPRINTK_ISPRESZ("ispresizer_config_datapath()-\n"); return 0; }
/** * ispresizer_config_datapath - Specifies which input to use in resizer module * @input: Indicates the module that gives the image to resizer. * * Sets up the default resizer configuration according to the arguments. * * Returns 0 if successful, or -EINVAL if an unsupported input was requested. **/ int ispresizer_config_datapath(enum ispresizer_input input) { u32 cnt = 0; DPRINTK_ISPRESZ("ispresizer_config_datapath()+\n"); ispres_obj.resinput = input; switch (input) { case RSZ_OTFLY_YUV: cnt &= ~ISPRSZ_CNT_INPTYP; cnt &= ~ISPRSZ_CNT_INPSRC; ispresizer_set_inaddr(0); ispresizer_config_inlineoffset(0); break; case RSZ_MEM_YUV: cnt |= ISPRSZ_CNT_INPSRC; cnt &= ~ISPRSZ_CNT_INPTYP; break; case RSZ_MEM_COL8: cnt |= ISPRSZ_CNT_INPSRC; cnt |= ISPRSZ_CNT_INPTYP; break; default: printk(KERN_ERR "ISP_ERR : Wrong Input\n"); return -EINVAL; } isp_reg_or(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, cnt); /* Use bilinear interpolation for upsampling per TRM */ if (ispres_obj.outputwidth > ispres_obj.inputwidth) ispresizer_enable_cbilin(1); else ispresizer_enable_cbilin(0); ispresizer_config_ycpos(0); ispresizer_config_filter_coef(&ispreszdefcoef); ispresizer_config_luma_enhance(&ispreszdefaultyenh); DPRINTK_ISPRESZ("ispresizer_config_datapath()-\n"); 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; }