18091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin/* 28091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * Support eMMa-PrP through mem2mem framework. 38091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * 48091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * eMMa-PrP is a piece of HW that allows fetching buffers 58091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * from one memory location and do several operations on 68091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * them such as scaling or format conversion giving, as a result 78091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * a new processed buffer in another memory location. 88091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * 98091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * Based on mem2mem_testdev.c by Pawel Osciak. 108091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * 118091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * Copyright (c) 2011 Vista Silicon S.L. 128091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * Javier Martin <javier.martin@vista-silicon.com> 138091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * 148091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * This program is free software; you can redistribute it and/or modify 158091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * it under the terms of the GNU General Public License as published by the 168091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * Free Software Foundation; either version 2 of the 178091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * License, or (at your option) any later version 188091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin */ 198091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#include <linux/module.h> 208091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#include <linux/clk.h> 218091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#include <linux/slab.h> 228091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#include <linux/interrupt.h> 238091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#include <linux/io.h> 248091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 258091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#include <linux/platform_device.h> 268091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#include <media/v4l2-mem2mem.h> 278091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#include <media/v4l2-device.h> 288091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#include <media/v4l2-ioctl.h> 298091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#include <media/videobuf2-dma-contig.h> 308091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#include <asm/sizes.h> 318091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 328091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define EMMAPRP_MODULE_NAME "mem2mem-emmaprp" 338091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 348091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier MartinMODULE_DESCRIPTION("Mem-to-mem device which supports eMMa-PrP present in mx2 SoCs"); 358091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier MartinMODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com"); 368091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier MartinMODULE_LICENSE("GPL"); 378091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier MartinMODULE_VERSION("0.0.1"); 388091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 398091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic bool debug; 408091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinmodule_param(debug, bool, 0644); 418091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 428091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define MIN_W 32 438091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define MIN_H 32 448091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define MAX_W 2040 458091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define MAX_H 2046 468091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 478091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define S_ALIGN 1 /* multiple of 2 */ 488091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define W_ALIGN_YUV420 3 /* multiple of 8 */ 498091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define W_ALIGN_OTHERS 2 /* multiple of 4 */ 508091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define H_ALIGN 1 /* multiple of 2 */ 518091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 528091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin/* Flags that indicate a format can be used for capture/output */ 538091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define MEM2MEM_CAPTURE (1 << 0) 548091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define MEM2MEM_OUTPUT (1 << 1) 558091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 568091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define MEM2MEM_NAME "m2m-emmaprp" 578091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 588091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin/* In bytes, per queue */ 598091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define MEM2MEM_VID_MEM_LIMIT SZ_16M 608091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 618091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define dprintk(dev, fmt, arg...) \ 628091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_dbg(1, debug, &dev->v4l2_dev, "%s: " fmt, __func__, ## arg) 638091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 648091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin/* EMMA PrP */ 658091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL 0x00 668091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_CNTL 0x04 678091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTRSTATUS 0x08 688091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_SOURCE_Y_PTR 0x0c 698091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_SOURCE_CB_PTR 0x10 708091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_SOURCE_CR_PTR 0x14 718091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_DEST_RGB1_PTR 0x18 728091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_DEST_RGB2_PTR 0x1c 738091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_DEST_Y_PTR 0x20 748091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_DEST_CB_PTR 0x24 758091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_DEST_CR_PTR 0x28 768091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_SRC_FRAME_SIZE 0x2c 778091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_DEST_CH1_LINE_STRIDE 0x30 788091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_SRC_PIXEL_FORMAT_CNTL 0x34 798091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH1_PIXEL_FORMAT_CNTL 0x38 808091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH1_OUT_IMAGE_SIZE 0x3c 818091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH2_OUT_IMAGE_SIZE 0x40 828091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_SRC_LINE_STRIDE 0x44 838091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CSC_COEF_012 0x48 848091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CSC_COEF_345 0x4c 858091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CSC_COEF_678 0x50 868091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH1_RZ_HORI_COEF1 0x54 878091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH1_RZ_HORI_COEF2 0x58 888091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH1_RZ_HORI_VALID 0x5c 898091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH1_RZ_VERT_COEF1 0x60 908091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH1_RZ_VERT_COEF2 0x64 918091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH1_RZ_VERT_VALID 0x68 928091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH2_RZ_HORI_COEF1 0x6c 938091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH2_RZ_HORI_COEF2 0x70 948091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH2_RZ_HORI_VALID 0x74 958091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH2_RZ_VERT_COEF1 0x78 968091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH2_RZ_VERT_COEF2 0x7c 978091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CH2_RZ_VERT_VALID 0x80 988091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 998091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH1EN (1 << 0) 1008091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH2EN (1 << 1) 1018091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CSIEN (1 << 2) 1028091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_DATA_IN_YUV420 (0 << 3) 1038091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_DATA_IN_YUV422 (1 << 3) 1048091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_DATA_IN_RGB16 (2 << 3) 1058091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_DATA_IN_RGB32 (3 << 3) 1068091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH1_OUT_RGB8 (0 << 5) 1078091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH1_OUT_RGB16 (1 << 5) 1088091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH1_OUT_RGB32 (2 << 5) 1098091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH1_OUT_YUV422 (3 << 5) 1108091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH2_OUT_YUV420 (0 << 7) 1118091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH2_OUT_YUV422 (1 << 7) 1128091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH2_OUT_YUV444 (2 << 7) 1138091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH1_LEN (1 << 9) 1148091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH2_LEN (1 << 10) 1158091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_SKIP_FRAME (1 << 11) 1168091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_SWRST (1 << 12) 1178091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CLKEN (1 << 13) 1188091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_WEN (1 << 14) 1198091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH1BYP (1 << 15) 1208091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_IN_TSKIP(x) ((x) << 16) 1218091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH1_TSKIP(x) ((x) << 19) 1228091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH2_TSKIP(x) ((x) << 22) 1238091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_INPUT_FIFO_LEVEL(x) ((x) << 25) 1248091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_RZ_FIFO_LEVEL(x) ((x) << 27) 1258091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH2B1EN (1 << 29) 1268091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH2B2EN (1 << 30) 1278091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_CNTL_CH2FEN (1 << 31) 1288091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 1298091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_SIZE_HEIGHT(x) (x) 1308091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_SIZE_WIDTH(x) ((x) << 16) 1318091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 1328091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin/* IRQ Enable and status register */ 1338091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_RDERR (1 << 0) 1348091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_CH1WERR (1 << 1) 1358091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_CH2WERR (1 << 2) 1368091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_CH1FC (1 << 3) 1378091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_CH2FC (1 << 5) 1388091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_LBOVF (1 << 7) 1398091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_CH2OVF (1 << 8) 1408091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 1418091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_ST_RDERR (1 << 0) 1428091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_ST_CH1WERR (1 << 1) 1438091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_ST_CH2WERR (1 << 2) 1448091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_ST_CH2B2CI (1 << 3) 1458091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_ST_CH2B1CI (1 << 4) 1468091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_ST_CH1B2CI (1 << 5) 1478091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_ST_CH1B1CI (1 << 6) 1488091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_ST_LBOVF (1 << 7) 1498091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define PRP_INTR_ST_CH2OVF (1 << 8) 1508091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 1518091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstruct emmaprp_fmt { 1528091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin char *name; 1538091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin u32 fourcc; 1548091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin /* Types the format can be used for */ 1558091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin u32 types; 1568091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin}; 1578091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 1588091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic struct emmaprp_fmt formats[] = { 1598091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin { 1608091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .name = "YUV 4:2:0 Planar", 1618091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .fourcc = V4L2_PIX_FMT_YUV420, 1628091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .types = MEM2MEM_CAPTURE, 1638091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin }, 1648091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin { 1658091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .name = "4:2:2, packed, YUYV", 1668091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .fourcc = V4L2_PIX_FMT_YUYV, 1678091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .types = MEM2MEM_OUTPUT, 1688091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin }, 1698091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin}; 1708091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 1718091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin/* Per-queue, driver-specific private data */ 1728091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstruct emmaprp_q_data { 1738091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin unsigned int width; 1748091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin unsigned int height; 1758091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin unsigned int sizeimage; 1768091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_fmt *fmt; 1778091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin}; 1788091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 1798091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinenum { 1808091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin V4L2_M2M_SRC = 0, 1818091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin V4L2_M2M_DST = 1, 1828091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin}; 1838091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 1848091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin#define NUM_FORMATS ARRAY_SIZE(formats) 1858091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 1868091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic struct emmaprp_fmt *find_format(struct v4l2_format *f) 1878091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 1888091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_fmt *fmt; 1898091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin unsigned int k; 1908091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 1918091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin for (k = 0; k < NUM_FORMATS; k++) { 1928091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin fmt = &formats[k]; 1938091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (fmt->fourcc == f->fmt.pix.pixelformat) 1948091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin break; 1958091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 1968091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 1978091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (k == NUM_FORMATS) 1988091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return NULL; 1998091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2008091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return &formats[k]; 2018091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 2028091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2038091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstruct emmaprp_dev { 2048091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_device v4l2_dev; 2058091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct video_device *vfd; 2068091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2078091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct mutex dev_mutex; 2088091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin spinlock_t irqlock; 2098091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2108091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin int irq_emma; 2118091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin void __iomem *base_emma; 2128091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct clk *clk_emma; 2138091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct resource *res_emma; 2148091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2158091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_m2m_dev *m2m_dev; 2168091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct vb2_alloc_ctx *alloc_ctx; 2178091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin}; 2188091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2198091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstruct emmaprp_ctx { 2208091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_dev *dev; 2218091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin /* Abort requested by m2m */ 2228091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin int aborting; 2238091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_q_data q_data[2]; 2248091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_m2m_ctx *m2m_ctx; 2258091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin}; 2268091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2278091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic struct emmaprp_q_data *get_q_data(struct emmaprp_ctx *ctx, 2288091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin enum v4l2_buf_type type) 2298091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 2308091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin switch (type) { 2318091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin case V4L2_BUF_TYPE_VIDEO_OUTPUT: 2328091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return &(ctx->q_data[V4L2_M2M_SRC]); 2338091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin case V4L2_BUF_TYPE_VIDEO_CAPTURE: 2348091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return &(ctx->q_data[V4L2_M2M_DST]); 2358091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin default: 2368091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin BUG(); 2378091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 2388091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return NULL; 2398091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 2408091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2418091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin/* 2428091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * mem2mem callbacks 2438091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin */ 2448091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic void emmaprp_job_abort(void *priv) 2458091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 2468091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 2478091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_dev *pcdev = ctx->dev; 2488091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2498091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ctx->aborting = 1; 2508091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2518091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dprintk(pcdev, "Aborting task\n"); 2528091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2538091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_m2m_job_finish(pcdev->m2m_dev, ctx->m2m_ctx); 2548091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 2558091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2568091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic void emmaprp_lock(void *priv) 2578091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 2588091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 2598091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_dev *pcdev = ctx->dev; 2608091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin mutex_lock(&pcdev->dev_mutex); 2618091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 2628091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2638091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic void emmaprp_unlock(void *priv) 2648091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 2658091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 2668091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_dev *pcdev = ctx->dev; 2678091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin mutex_unlock(&pcdev->dev_mutex); 2688091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 2698091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2708091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic inline void emmaprp_dump_regs(struct emmaprp_dev *pcdev) 2718091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 2728091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dprintk(pcdev, 2738091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin "eMMa-PrP Registers:\n" 2748091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin " SOURCE_Y_PTR = 0x%08X\n" 2758091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin " SRC_FRAME_SIZE = 0x%08X\n" 2768091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin " DEST_Y_PTR = 0x%08X\n" 2778091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin " DEST_CR_PTR = 0x%08X\n" 2788091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin " DEST_CB_PTR = 0x%08X\n" 2798091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin " CH2_OUT_IMAGE_SIZE = 0x%08X\n" 2808091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin " CNTL = 0x%08X\n", 2818091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin readl(pcdev->base_emma + PRP_SOURCE_Y_PTR), 2828091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin readl(pcdev->base_emma + PRP_SRC_FRAME_SIZE), 2838091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin readl(pcdev->base_emma + PRP_DEST_Y_PTR), 2848091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin readl(pcdev->base_emma + PRP_DEST_CR_PTR), 2858091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin readl(pcdev->base_emma + PRP_DEST_CB_PTR), 2868091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin readl(pcdev->base_emma + PRP_CH2_OUT_IMAGE_SIZE), 2878091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin readl(pcdev->base_emma + PRP_CNTL)); 2888091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 2898091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 2908091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic void emmaprp_device_run(void *priv) 2918091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 2928091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 2938091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_q_data *s_q_data, *d_q_data; 2948091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct vb2_buffer *src_buf, *dst_buf; 2958091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_dev *pcdev = ctx->dev; 2968091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin unsigned int s_width, s_height; 2978091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin unsigned int d_width, d_height; 2988091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin unsigned int d_size; 2998091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dma_addr_t p_in, p_out; 3008091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin u32 tmp; 3018091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3028091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx); 3038091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); 3048091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3058091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin s_q_data = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); 3068091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin s_width = s_q_data->width; 3078091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin s_height = s_q_data->height; 3088091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3098091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin d_q_data = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); 3108091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin d_width = d_q_data->width; 3118091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin d_height = d_q_data->height; 3128091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin d_size = d_width * d_height; 3138091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3148091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin p_in = vb2_dma_contig_plane_dma_addr(src_buf, 0); 3158091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin p_out = vb2_dma_contig_plane_dma_addr(dst_buf, 0); 3168091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (!p_in || !p_out) { 3178091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_err(&pcdev->v4l2_dev, 3188091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin "Acquiring kernel pointers to buffers failed\n"); 3198091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return; 3208091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 3218091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3228091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin /* Input frame parameters */ 3238091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin writel(p_in, pcdev->base_emma + PRP_SOURCE_Y_PTR); 3248091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin writel(PRP_SIZE_WIDTH(s_width) | PRP_SIZE_HEIGHT(s_height), 3258091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev->base_emma + PRP_SRC_FRAME_SIZE); 3268091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3278091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin /* Output frame parameters */ 3288091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin writel(p_out, pcdev->base_emma + PRP_DEST_Y_PTR); 3298091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin writel(p_out + d_size, pcdev->base_emma + PRP_DEST_CB_PTR); 3308091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin writel(p_out + d_size + (d_size >> 2), 3318091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev->base_emma + PRP_DEST_CR_PTR); 3328091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin writel(PRP_SIZE_WIDTH(d_width) | PRP_SIZE_HEIGHT(d_height), 3338091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev->base_emma + PRP_CH2_OUT_IMAGE_SIZE); 3348091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3358091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin /* IRQ configuration */ 3368091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin tmp = readl(pcdev->base_emma + PRP_INTR_CNTL); 3378091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin writel(tmp | PRP_INTR_RDERR | 3388091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin PRP_INTR_CH2WERR | 3398091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin PRP_INTR_CH2FC, 3408091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev->base_emma + PRP_INTR_CNTL); 3418091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3428091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin emmaprp_dump_regs(pcdev); 3438091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3448091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin /* Enable transfer */ 3458091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin tmp = readl(pcdev->base_emma + PRP_CNTL); 3468091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin writel(tmp | PRP_CNTL_CH2_OUT_YUV420 | 3478091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin PRP_CNTL_DATA_IN_YUV422 | 3488091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin PRP_CNTL_CH2EN, 3498091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev->base_emma + PRP_CNTL); 3508091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 3518091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3528091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic irqreturn_t emmaprp_irq(int irq_emma, void *data) 3538091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 3548091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_dev *pcdev = data; 3558091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *curr_ctx; 3568091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct vb2_buffer *src_vb, *dst_vb; 3578091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin unsigned long flags; 3588091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin u32 irqst; 3598091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3608091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin /* Check irq flags and clear irq */ 3618091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin irqst = readl(pcdev->base_emma + PRP_INTRSTATUS); 3628091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin writel(irqst, pcdev->base_emma + PRP_INTRSTATUS); 3638091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dprintk(pcdev, "irqst = 0x%08x\n", irqst); 3648091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3658091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin curr_ctx = v4l2_m2m_get_curr_priv(pcdev->m2m_dev); 3668091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (curr_ctx == NULL) { 3678091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pr_err("Instance released before the end of transaction\n"); 3688091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return IRQ_HANDLED; 3698091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 3708091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3718091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (!curr_ctx->aborting) { 3728091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if ((irqst & PRP_INTR_ST_RDERR) || 3738091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin (irqst & PRP_INTR_ST_CH2WERR)) { 3748091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pr_err("PrP bus error ocurred, this transfer is probably corrupted\n"); 3758091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin writel(PRP_CNTL_SWRST, pcdev->base_emma + PRP_CNTL); 3768091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } else if (irqst & PRP_INTR_ST_CH2B1CI) { /* buffer ready */ 3778091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin src_vb = v4l2_m2m_src_buf_remove(curr_ctx->m2m_ctx); 3788091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->m2m_ctx); 3798091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3808091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin spin_lock_irqsave(&pcdev->irqlock, flags); 3818091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE); 3828091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE); 3838091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin spin_unlock_irqrestore(&pcdev->irqlock, flags); 3848091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 3858091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 3868091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3878091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_m2m_job_finish(pcdev->m2m_dev, curr_ctx->m2m_ctx); 3888091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return IRQ_HANDLED; 3898091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 3908091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 3918091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin/* 3928091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * video ioctls 3938091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin */ 3948091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_querycap(struct file *file, void *priv, 3958091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_capability *cap) 3968091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 3978091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin strncpy(cap->driver, MEM2MEM_NAME, sizeof(cap->driver) - 1); 3988091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin strncpy(cap->card, MEM2MEM_NAME, sizeof(cap->card) - 1); 3998091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT 4008091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin | V4L2_CAP_STREAMING; 4018091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4028091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return 0; 4038091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 4048091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4058091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int enum_fmt(struct v4l2_fmtdesc *f, u32 type) 4068091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 4078091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin int i, num; 4088091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_fmt *fmt; 4098091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4108091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin num = 0; 4118091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4128091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin for (i = 0; i < NUM_FORMATS; ++i) { 4138091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (formats[i].types & type) { 4148091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin /* index-th format of type type found ? */ 4158091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (num == f->index) 4168091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin break; 4178091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin /* Correct type but haven't reached our index yet, 4188091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * just increment per-type index */ 4198091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ++num; 4208091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 4218091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 4228091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4238091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (i < NUM_FORMATS) { 4248091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin /* Format found */ 4258091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin fmt = &formats[i]; 4268091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin strlcpy(f->description, fmt->name, sizeof(f->description) - 1); 4278091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->pixelformat = fmt->fourcc; 4288091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return 0; 4298091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 4308091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4318091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin /* Format not found */ 4328091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return -EINVAL; 4338091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 4348091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4358091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 4368091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_fmtdesc *f) 4378091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 4388091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return enum_fmt(f, MEM2MEM_CAPTURE); 4398091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 4408091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4418091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_enum_fmt_vid_out(struct file *file, void *priv, 4428091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_fmtdesc *f) 4438091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 4448091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return enum_fmt(f, MEM2MEM_OUTPUT); 4458091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 4468091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4478091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_g_fmt(struct emmaprp_ctx *ctx, struct v4l2_format *f) 4488091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 4498091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct vb2_queue *vq; 4508091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_q_data *q_data; 4518091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4528091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); 4538091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (!vq) 4548091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return -EINVAL; 4558091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4568091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin q_data = get_q_data(ctx, f->type); 4578091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4588091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.width = q_data->width; 4598091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.height = q_data->height; 4608091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.field = V4L2_FIELD_NONE; 4618091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.pixelformat = q_data->fmt->fourcc; 4628091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420) 4638091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.bytesperline = q_data->width * 3 / 2; 4648091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin else /* YUYV */ 4658091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.bytesperline = q_data->width * 2; 4668091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.sizeimage = q_data->sizeimage; 4678091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4688091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return 0; 4698091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 4708091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4718091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_g_fmt_vid_out(struct file *file, void *priv, 4728091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_format *f) 4738091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 4748091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return vidioc_g_fmt(priv, f); 4758091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 4768091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4778091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 4788091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_format *f) 4798091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 4808091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return vidioc_g_fmt(priv, f); 4818091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 4828091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4838091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_try_fmt(struct v4l2_format *f) 4848091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 4858091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin enum v4l2_field field; 4868091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4878091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4888091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (!find_format(f)) 4898091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return -EINVAL; 4908091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4918091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin field = f->fmt.pix.field; 4928091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (field == V4L2_FIELD_ANY) 4938091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin field = V4L2_FIELD_NONE; 4948091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin else if (V4L2_FIELD_NONE != field) 4958091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return -EINVAL; 4968091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 4978091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin /* V4L2 specification suggests the driver corrects the format struct 4988091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * if any of the dimensions is unsupported */ 4998091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.field = field; 5008091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5018091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420) { 5028091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l_bound_align_image(&f->fmt.pix.width, MIN_W, MAX_W, 5038091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin W_ALIGN_YUV420, &f->fmt.pix.height, 5048091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin MIN_H, MAX_H, H_ALIGN, S_ALIGN); 5058091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.bytesperline = f->fmt.pix.width * 3 / 2; 5068091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } else { 5078091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l_bound_align_image(&f->fmt.pix.width, MIN_W, MAX_W, 5088091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin W_ALIGN_OTHERS, &f->fmt.pix.height, 5098091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin MIN_H, MAX_H, H_ALIGN, S_ALIGN); 5108091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.bytesperline = f->fmt.pix.width * 2; 5118091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 5128091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; 5138091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5148091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return 0; 5158091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 5168091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5178091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 5188091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_format *f) 5198091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 5208091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_fmt *fmt; 5218091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 5228091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5238091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin fmt = find_format(f); 5248091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (!fmt || !(fmt->types & MEM2MEM_CAPTURE)) { 5258091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_err(&ctx->dev->v4l2_dev, 5268091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin "Fourcc format (0x%08x) invalid.\n", 5278091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.pixelformat); 5288091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return -EINVAL; 5298091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 5308091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5318091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return vidioc_try_fmt(f); 5328091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 5338091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5348091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_try_fmt_vid_out(struct file *file, void *priv, 5358091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_format *f) 5368091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 5378091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_fmt *fmt; 5388091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 5398091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5408091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin fmt = find_format(f); 5418091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (!fmt || !(fmt->types & MEM2MEM_OUTPUT)) { 5428091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_err(&ctx->dev->v4l2_dev, 5438091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin "Fourcc format (0x%08x) invalid.\n", 5448091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->fmt.pix.pixelformat); 5458091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return -EINVAL; 5468091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 5478091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5488091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return vidioc_try_fmt(f); 5498091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 5508091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5518091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_s_fmt(struct emmaprp_ctx *ctx, struct v4l2_format *f) 5528091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 5538091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_q_data *q_data; 5548091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct vb2_queue *vq; 5558091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin int ret; 5568091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5578091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); 5588091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (!vq) 5598091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return -EINVAL; 5608091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5618091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin q_data = get_q_data(ctx, f->type); 5628091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (!q_data) 5638091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return -EINVAL; 5648091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5658091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (vb2_is_busy(vq)) { 5668091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__); 5678091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return -EBUSY; 5688091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 5698091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5708091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ret = vidioc_try_fmt(f); 5718091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (ret) 5728091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return ret; 5738091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5748091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin q_data->fmt = find_format(f); 5758091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin q_data->width = f->fmt.pix.width; 5768091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin q_data->height = f->fmt.pix.height; 5778091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (q_data->fmt->fourcc == V4L2_PIX_FMT_YUV420) 5788091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin q_data->sizeimage = q_data->width * q_data->height * 3 / 2; 5798091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin else /* YUYV */ 5808091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin q_data->sizeimage = q_data->width * q_data->height * 2; 5818091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5828091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dprintk(ctx->dev, 5838091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin "Setting format for type %d, wxh: %dx%d, fmt: %d\n", 5848091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin f->type, q_data->width, q_data->height, q_data->fmt->fourcc); 5858091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5868091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return 0; 5878091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 5888091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5898091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 5908091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_format *f) 5918091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 5928091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin int ret; 5938091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5948091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ret = vidioc_try_fmt_vid_cap(file, priv, f); 5958091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (ret) 5968091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return ret; 5978091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 5988091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return vidioc_s_fmt(priv, f); 5998091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 6008091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6018091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_s_fmt_vid_out(struct file *file, void *priv, 6028091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_format *f) 6038091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 6048091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin int ret; 6058091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6068091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ret = vidioc_try_fmt_vid_out(file, priv, f); 6078091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (ret) 6088091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return ret; 6098091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6108091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return vidioc_s_fmt(priv, f); 6118091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 6128091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6138091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_reqbufs(struct file *file, void *priv, 6148091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_requestbuffers *reqbufs) 6158091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 6168091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 6178091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6188091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); 6198091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 6208091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6218091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_querybuf(struct file *file, void *priv, 6228091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct v4l2_buffer *buf) 6238091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 6248091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 6258091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6268091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); 6278091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 6288091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6298091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 6308091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 6318091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 6328091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6338091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); 6348091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 6358091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6368091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 6378091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 6388091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 6398091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6408091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); 6418091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 6428091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6438091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_streamon(struct file *file, void *priv, 6448091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin enum v4l2_buf_type type) 6458091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 6468091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 6478091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6488091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); 6498091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 6508091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6518091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int vidioc_streamoff(struct file *file, void *priv, 6528091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin enum v4l2_buf_type type) 6538091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 6548091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 6558091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6568091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); 6578091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 6588091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6598091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic const struct v4l2_ioctl_ops emmaprp_ioctl_ops = { 6608091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_querycap = vidioc_querycap, 6618091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6628091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 6638091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 6648091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 6658091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 6668091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6678091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out, 6688091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_g_fmt_vid_out = vidioc_g_fmt_vid_out, 6698091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_try_fmt_vid_out = vidioc_try_fmt_vid_out, 6708091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_s_fmt_vid_out = vidioc_s_fmt_vid_out, 6718091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6728091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_reqbufs = vidioc_reqbufs, 6738091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_querybuf = vidioc_querybuf, 6748091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6758091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_qbuf = vidioc_qbuf, 6768091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_dqbuf = vidioc_dqbuf, 6778091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6788091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_streamon = vidioc_streamon, 6798091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .vidioc_streamoff = vidioc_streamoff, 6808091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin}; 6818091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6828091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6838091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin/* 6848091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * Queue operations 6858091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin */ 6868091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int emmaprp_queue_setup(struct vb2_queue *vq, 6878091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin const struct v4l2_format *fmt, 6888091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin unsigned int *nbuffers, unsigned int *nplanes, 6898091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin unsigned int sizes[], void *alloc_ctxs[]) 6908091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 6918091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = vb2_get_drv_priv(vq); 6928091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_q_data *q_data; 6938091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin unsigned int size, count = *nbuffers; 6948091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6958091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin q_data = get_q_data(ctx, vq->type); 6968091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 6978091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (q_data->fmt->fourcc == V4L2_PIX_FMT_YUV420) 6988091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin size = q_data->width * q_data->height * 3 / 2; 6998091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin else 7008091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin size = q_data->width * q_data->height * 2; 7018091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7028091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin while (size * count > MEM2MEM_VID_MEM_LIMIT) 7038091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin (count)--; 7048091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7058091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin *nplanes = 1; 7068091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin *nbuffers = count; 7078091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin sizes[0] = size; 7088091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7098091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin alloc_ctxs[0] = ctx->dev->alloc_ctx; 7108091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7118091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dprintk(ctx->dev, "get %d buffer(s) of size %d each.\n", count, size); 7128091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7138091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return 0; 7148091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 7158091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7168091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int emmaprp_buf_prepare(struct vb2_buffer *vb) 7178091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 7188091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); 7198091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_q_data *q_data; 7208091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7218091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dprintk(ctx->dev, "type: %d\n", vb->vb2_queue->type); 7228091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7238091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin q_data = get_q_data(ctx, vb->vb2_queue->type); 7248091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7258091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (vb2_plane_size(vb, 0) < q_data->sizeimage) { 7268091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dprintk(ctx->dev, "%s data will not fit into plane" 7278091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin "(%lu < %lu)\n", __func__, 7288091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin vb2_plane_size(vb, 0), 7298091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin (long)q_data->sizeimage); 7308091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return -EINVAL; 7318091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 7328091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7338091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin vb2_set_plane_payload(vb, 0, q_data->sizeimage); 7348091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7358091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return 0; 7368091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 7378091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7388091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic void emmaprp_buf_queue(struct vb2_buffer *vb) 7398091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 7408091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); 7418091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_m2m_buf_queue(ctx->m2m_ctx, vb); 7428091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 7438091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7448091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic struct vb2_ops emmaprp_qops = { 7458091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .queue_setup = emmaprp_queue_setup, 7468091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .buf_prepare = emmaprp_buf_prepare, 7478091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .buf_queue = emmaprp_buf_queue, 7488091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin}; 7498091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7508091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int queue_init(void *priv, struct vb2_queue *src_vq, 7518091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct vb2_queue *dst_vq) 7528091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 7538091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = priv; 7548091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin int ret; 7558091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7568091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin memset(src_vq, 0, sizeof(*src_vq)); 7578091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; 7588091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin src_vq->io_modes = VB2_MMAP; 7598091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin src_vq->drv_priv = ctx; 7608091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); 7618091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin src_vq->ops = &emmaprp_qops; 7628091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin src_vq->mem_ops = &vb2_dma_contig_memops; 7638091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7648091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ret = vb2_queue_init(src_vq); 7658091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (ret) 7668091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return ret; 7678091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7688091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin memset(dst_vq, 0, sizeof(*dst_vq)); 7698091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 7708091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dst_vq->io_modes = VB2_MMAP; 7718091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dst_vq->drv_priv = ctx; 7728091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); 7738091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dst_vq->ops = &emmaprp_qops; 7748091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dst_vq->mem_ops = &vb2_dma_contig_memops; 7758091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7768091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return vb2_queue_init(dst_vq); 7778091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 7788091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7798091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin/* 7808091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin * File operations 7818091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin */ 7828091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int emmaprp_open(struct file *file) 7838091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 7848091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_dev *pcdev = video_drvdata(file); 7858091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx; 7868091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7878091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ctx = kzalloc(sizeof *ctx, GFP_KERNEL); 7888091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (!ctx) 7898091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return -ENOMEM; 7908091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7918091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin file->private_data = ctx; 7928091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ctx->dev = pcdev; 7938091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7948091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ctx->m2m_ctx = v4l2_m2m_ctx_init(pcdev->m2m_dev, ctx, &queue_init); 7958091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7968091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (IS_ERR(ctx->m2m_ctx)) { 7978091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin int ret = PTR_ERR(ctx->m2m_ctx); 7988091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 7998091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin kfree(ctx); 8008091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return ret; 8018091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 8028091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8038091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin clk_enable(pcdev->clk_emma); 8048091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ctx->q_data[V4L2_M2M_SRC].fmt = &formats[1]; 8058091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ctx->q_data[V4L2_M2M_DST].fmt = &formats[0]; 8068091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8078091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dprintk(pcdev, "Created instance %p, m2m_ctx: %p\n", ctx, ctx->m2m_ctx); 8088091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8098091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return 0; 8108091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 8118091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8128091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int emmaprp_release(struct file *file) 8138091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 8148091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_dev *pcdev = video_drvdata(file); 8158091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = file->private_data; 8168091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8178091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dprintk(pcdev, "Releasing instance %p\n", ctx); 8188091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8198091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin clk_disable(pcdev->clk_emma); 8208091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_m2m_ctx_release(ctx->m2m_ctx); 8218091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin kfree(ctx); 8228091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8238091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return 0; 8248091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 8258091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8268091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic unsigned int emmaprp_poll(struct file *file, 8278091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct poll_table_struct *wait) 8288091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 8298091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = file->private_data; 8308091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8318091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return v4l2_m2m_poll(file, ctx->m2m_ctx, wait); 8328091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 8338091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8348091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int emmaprp_mmap(struct file *file, struct vm_area_struct *vma) 8358091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 8368091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_ctx *ctx = file->private_data; 8378091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8388091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); 8398091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 8408091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8418091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic const struct v4l2_file_operations emmaprp_fops = { 8428091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .owner = THIS_MODULE, 8438091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .open = emmaprp_open, 8448091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .release = emmaprp_release, 8458091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .poll = emmaprp_poll, 8468091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .unlocked_ioctl = video_ioctl2, 8478091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .mmap = emmaprp_mmap, 8488091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin}; 8498091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8508091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic struct video_device emmaprp_videodev = { 8518091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .name = MEM2MEM_NAME, 8528091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .fops = &emmaprp_fops, 8538091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .ioctl_ops = &emmaprp_ioctl_ops, 8548091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .minor = -1, 8558091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .release = video_device_release, 8568091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin}; 8578091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8588091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic struct v4l2_m2m_ops m2m_ops = { 8598091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .device_run = emmaprp_device_run, 8608091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .job_abort = emmaprp_job_abort, 8618091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .lock = emmaprp_lock, 8628091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .unlock = emmaprp_unlock, 8638091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin}; 8648091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8658091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int emmaprp_probe(struct platform_device *pdev) 8668091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 8678091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_dev *pcdev; 8688091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct video_device *vfd; 8698091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct resource *res_emma; 8708091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin int irq_emma; 8718091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin int ret; 8728091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8738091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev = kzalloc(sizeof *pcdev, GFP_KERNEL); 8748091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (!pcdev) 8758091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return -ENOMEM; 8768091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8778091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin spin_lock_init(&pcdev->irqlock); 8788091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8798091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev->clk_emma = clk_get(&pdev->dev, NULL); 8808091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (IS_ERR(pcdev->clk_emma)) { 8818091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ret = PTR_ERR(pcdev->clk_emma); 8828091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin goto free_dev; 8838091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 8848091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8858091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin irq_emma = platform_get_irq(pdev, 0); 8868091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin res_emma = platform_get_resource(pdev, IORESOURCE_MEM, 0); 8878091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (irq_emma < 0 || res_emma == NULL) { 8888091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin dev_err(&pdev->dev, "Missing platform resources data\n"); 8898091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ret = -ENODEV; 8908091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin goto free_clk; 8918091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 8928091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8938091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ret = v4l2_device_register(&pdev->dev, &pcdev->v4l2_dev); 8948091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (ret) 8958091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin goto free_clk; 8968091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8978091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin mutex_init(&pcdev->dev_mutex); 8988091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 8998091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin vfd = video_device_alloc(); 9008091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (!vfd) { 9018091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_err(&pcdev->v4l2_dev, "Failed to allocate video device\n"); 9028091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ret = -ENOMEM; 9038091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin goto unreg_dev; 9048091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 9058091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9068091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin *vfd = emmaprp_videodev; 9078091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin vfd->lock = &pcdev->dev_mutex; 9088091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9098091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin video_set_drvdata(vfd, pcdev); 9108091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin snprintf(vfd->name, sizeof(vfd->name), "%s", emmaprp_videodev.name); 9118091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev->vfd = vfd; 9128091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_info(&pcdev->v4l2_dev, EMMAPRP_MODULE_NAME 9138091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin " Device registered as /dev/video%d\n", vfd->num); 9148091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9158091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin platform_set_drvdata(pdev, pcdev); 9168091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9178091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (devm_request_mem_region(&pdev->dev, res_emma->start, 9188091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin resource_size(res_emma), MEM2MEM_NAME) == NULL) 9198091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin goto rel_vdev; 9208091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9218091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev->base_emma = devm_ioremap(&pdev->dev, res_emma->start, 9228091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin resource_size(res_emma)); 9238091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (!pcdev->base_emma) 9248091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin goto rel_vdev; 9258091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9268091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev->irq_emma = irq_emma; 9278091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev->res_emma = res_emma; 9288091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9298091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (devm_request_irq(&pdev->dev, pcdev->irq_emma, emmaprp_irq, 9308091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 0, MEM2MEM_NAME, pcdev) < 0) 9318091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin goto rel_vdev; 9328091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9338091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); 9348091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (IS_ERR(pcdev->alloc_ctx)) { 9358091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_err(&pcdev->v4l2_dev, "Failed to alloc vb2 context\n"); 9368091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ret = PTR_ERR(pcdev->alloc_ctx); 9378091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin goto rel_vdev; 9388091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 9398091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9408091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin pcdev->m2m_dev = v4l2_m2m_init(&m2m_ops); 9418091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (IS_ERR(pcdev->m2m_dev)) { 9428091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_err(&pcdev->v4l2_dev, "Failed to init mem2mem device\n"); 9438091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ret = PTR_ERR(pcdev->m2m_dev); 9448091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin goto rel_ctx; 9458091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 9468091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9478091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0); 9488091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin if (ret) { 9498091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_err(&pcdev->v4l2_dev, "Failed to register video device\n"); 9508091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin goto rel_m2m; 9518091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin } 9528091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9538091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return 0; 9548091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9558091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9568091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinrel_m2m: 9578091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_m2m_release(pcdev->m2m_dev); 9588091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinrel_ctx: 9598091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin vb2_dma_contig_cleanup_ctx(pcdev->alloc_ctx); 9608091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinrel_vdev: 9618091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin video_device_release(vfd); 9628091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinunreg_dev: 9638091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_device_unregister(&pcdev->v4l2_dev); 9648091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinfree_clk: 9658091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin clk_put(pcdev->clk_emma); 9668091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinfree_dev: 9678091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin kfree(pcdev); 9688091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9698091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return ret; 9708091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 9718091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9728091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int emmaprp_remove(struct platform_device *pdev) 9738091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 9748091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin struct emmaprp_dev *pcdev = platform_get_drvdata(pdev); 9758091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9768091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_info(&pcdev->v4l2_dev, "Removing " EMMAPRP_MODULE_NAME); 9778091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9788091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin video_unregister_device(pcdev->vfd); 9798091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_m2m_release(pcdev->m2m_dev); 9808091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin vb2_dma_contig_cleanup_ctx(pcdev->alloc_ctx); 9818091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin v4l2_device_unregister(&pcdev->v4l2_dev); 9828091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin clk_put(pcdev->clk_emma); 9838091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin kfree(pcdev); 9848091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9858091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return 0; 9868091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 9878091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9888091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic struct platform_driver emmaprp_pdrv = { 9898091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .probe = emmaprp_probe, 9908091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .remove = emmaprp_remove, 9918091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .driver = { 9928091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .name = MEM2MEM_NAME, 9938091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin .owner = THIS_MODULE, 9948091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin }, 9958091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin}; 9968091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 9978091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic void __exit emmaprp_exit(void) 9988091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 9998091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin platform_driver_unregister(&emmaprp_pdrv); 10008091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 10018091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 10028091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinstatic int __init emmaprp_init(void) 10038091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin{ 10048091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin return platform_driver_register(&emmaprp_pdrv); 10058091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin} 10068091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martin 10078091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinmodule_init(emmaprp_init); 10088091cb7d9ce671628bb094d5e6bd5395bc3db4f4Javier Martinmodule_exit(emmaprp_exit); 1009