1e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 2e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif-display - VPIF display driver 3e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * Display driver for TI DaVinci VPIF 4e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * 5e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ 6e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * 7e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * This program is free software; you can redistribute it and/or 8e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * modify it under the terms of the GNU General Public License as 9e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * published by the Free Software Foundation version 2. 10e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * 11e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * This program is distributed .as is. WITHOUT ANY WARRANTY of any 12e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * kind, whether express or implied; without even the implied warranty 13e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * GNU General Public License for more details. 15e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 16e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 17e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/kernel.h> 18e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/init.h> 19e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/module.h> 20e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/errno.h> 21e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/fs.h> 22e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/mm.h> 23e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/interrupt.h> 24e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/workqueue.h> 25e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/string.h> 26e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/videodev2.h> 27e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/wait.h> 28e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/time.h> 29e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/i2c.h> 30e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/platform_device.h> 31e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <linux/io.h> 325a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 33e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 34e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <asm/irq.h> 35e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <asm/page.h> 36e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 37e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <media/adv7343.h> 38e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <media/v4l2-device.h> 39e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include <media/v4l2-ioctl.h> 407036d6a73c88428764e4a12f30846279346f4382Mats Randgaard#include <media/v4l2-chip-ident.h> 41e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 42e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include "vpif_display.h" 43e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#include "vpif.h" 44e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 45e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U SMODULE_DESCRIPTION("TI DaVinci VPIF Display driver"); 46e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U SMODULE_LICENSE("GPL"); 4764dc3c1a906467d90c24913b0b38dd13d9378f4fMauro Carvalho ChehabMODULE_VERSION(VPIF_DISPLAY_VERSION); 48e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 49e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#define DM646X_V4L2_STD (V4L2_STD_525_60 | V4L2_STD_625_50) 50e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 51e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#define vpif_err(fmt, arg...) v4l2_err(&vpif_obj.v4l2_dev, fmt, ## arg) 52e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S#define vpif_dbg(level, debug, fmt, arg...) \ 53e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S v4l2_dbg(level, debug, &vpif_obj.v4l2_dev, fmt, ## arg) 54e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 55e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int debug = 1; 56e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic u32 ch2_numbuffers = 3; 57e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic u32 ch3_numbuffers = 3; 58e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic u32 ch2_bufsize = 1920 * 1080 * 2; 59e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic u32 ch3_bufsize = 720 * 576 * 2; 60e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 61e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Smodule_param(debug, int, 0644); 62e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Smodule_param(ch2_numbuffers, uint, S_IRUGO); 63e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Smodule_param(ch3_numbuffers, uint, S_IRUGO); 64e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Smodule_param(ch2_bufsize, uint, S_IRUGO); 65e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Smodule_param(ch3_bufsize, uint, S_IRUGO); 66e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 67e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U SMODULE_PARM_DESC(debug, "Debug level 0-1"); 68e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U SMODULE_PARM_DESC(ch2_numbuffers, "Channel2 buffer count (default:3)"); 69e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U SMODULE_PARM_DESC(ch3_numbuffers, "Channel3 buffer count (default:3)"); 70e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U SMODULE_PARM_DESC(ch2_bufsize, "Channel2 buffer size (default:1920 x 1080 x 2)"); 71e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U SMODULE_PARM_DESC(ch3_bufsize, "Channel3 buffer size (default:720 x 576 x 2)"); 72e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 73e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic struct vpif_config_params config_params = { 74e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .min_numbuffers = 3, 75e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .numbuffers[0] = 3, 76e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .numbuffers[1] = 3, 77e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .min_bufsize[0] = 720 * 480 * 2, 78e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .min_bufsize[1] = 720 * 480 * 2, 79e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .channel_bufsize[0] = 1920 * 1080 * 2, 80e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .channel_bufsize[1] = 720 * 576 * 2, 81e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S}; 82e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 83e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic struct vpif_device vpif_obj = { {NULL} }; 84e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic struct device *vpif_dev; 85e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 86e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 87e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_uservirt_to_phys: This function is used to convert user 88e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * space virtual address to physical address. 89e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 90e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic u32 vpif_uservirt_to_phys(u32 virtp) 91e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 92e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct mm_struct *mm = current->mm; 93e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S unsigned long physp = 0; 94e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vm_area_struct *vma; 95e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 96e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vma = find_vma(mm, virtp); 97e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 98e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* For kernel direct-mapped memory, take the easy way */ 99e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (virtp >= PAGE_OFFSET) { 100e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S physp = virt_to_phys((void *)virtp); 101e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } else if (vma && (vma->vm_flags & VM_IO) && (vma->vm_pgoff)) { 102e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* this will catch, kernel-allocated, mmaped-to-usermode addr */ 103e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S physp = (vma->vm_pgoff << PAGE_SHIFT) + (virtp - vma->vm_start); 104e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } else { 105e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* otherwise, use get_user_pages() for general userland pages */ 106e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int res, nr_pages = 1; 107e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct page *pages; 108e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S down_read(¤t->mm->mmap_sem); 109e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 110e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S res = get_user_pages(current, current->mm, 111e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S virtp, nr_pages, 1, 0, &pages, NULL); 112e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S up_read(¤t->mm->mmap_sem); 113e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 114e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (res == nr_pages) { 115e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S physp = __pa(page_address(&pages[0]) + 116e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (virtp & ~PAGE_MASK)); 117e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } else { 118e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("get_user_pages failed\n"); 119e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 120e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 121e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 122e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 123e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return physp; 124e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 125e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 126e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 127e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * buffer_prepare: This is the callback function called from videobuf_qbuf() 128e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * function the buffer is prepared and user space virtual address is converted 129e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * into physical address 130e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 131e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_buffer_prepare(struct videobuf_queue *q, 132e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct videobuf_buffer *vb, 133e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enum v4l2_field field) 134e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 135e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = q->priv_data; 136e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common; 137e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S unsigned long addr; 138e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 139e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common = &fh->channel->common[VPIF_VIDEO_INDEX]; 140e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (VIDEOBUF_NEEDS_INIT == vb->state) { 141e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vb->width = common->width; 142e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vb->height = common->height; 143e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vb->size = vb->width * vb->height; 144e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vb->field = field; 145e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 146e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vb->state = VIDEOBUF_PREPARED; 147e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 148e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* if user pointer memory mechanism is used, get the physical 149e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * address of the buffer */ 150e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (V4L2_MEMORY_USERPTR == common->memory) { 151e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!vb->baddr) { 152e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("buffer_address is 0\n"); 153e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 154e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 155e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 156e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vb->boff = vpif_uservirt_to_phys(vb->baddr); 157e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!ISALIGNED(vb->boff)) 158e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto buf_align_exit; 159e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 160e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 161e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S addr = vb->boff; 162e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (q->streaming && (V4L2_BUF_TYPE_SLICED_VBI_OUTPUT != q->type)) { 163e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!ISALIGNED(addr + common->ytop_off) || 164e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S !ISALIGNED(addr + common->ybtm_off) || 165e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S !ISALIGNED(addr + common->ctop_off) || 166e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S !ISALIGNED(addr + common->cbtm_off)) 167e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto buf_align_exit; 168e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 169e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 170e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 171e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sbuf_align_exit: 172e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("buffer offset not aligned to 8 bytes\n"); 173e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 174e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 175e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 176e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 177e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_buffer_setup: This function allocates memory for the buffers 178e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 179e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_buffer_setup(struct videobuf_queue *q, unsigned int *count, 180e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S unsigned int *size) 181e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 182e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = q->priv_data; 183e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 184e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 185e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 186e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (V4L2_MEMORY_MMAP != common->memory) 187e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 188e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 189e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S *size = config_params.channel_bufsize[ch->channel_id]; 190e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (*count < config_params.min_numbuffers) 191e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S *count = config_params.min_numbuffers; 192e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 193e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 194e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 195e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 196e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 197e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_buffer_queue: This function adds the buffer to DMA queue 198e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 199e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic void vpif_buffer_queue(struct videobuf_queue *q, 200e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct videobuf_buffer *vb) 201e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 202e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = q->priv_data; 203e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common; 204e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 205e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common = &fh->channel->common[VPIF_VIDEO_INDEX]; 206e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 207e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* add the buffer to the DMA queue */ 208e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S list_add_tail(&vb->queue, &common->dma_queue); 209e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vb->state = VIDEOBUF_QUEUED; 210e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 211e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 212e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 213e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_buffer_release: This function is called from the videobuf layer to 214e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * free memory allocated to the buffers 215e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 216e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic void vpif_buffer_release(struct videobuf_queue *q, 217e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct videobuf_buffer *vb) 218e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 219e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = q->priv_data; 220e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 221e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common; 222e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S unsigned int buf_size = 0; 223e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 224e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common = &ch->common[VPIF_VIDEO_INDEX]; 225e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 226e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S videobuf_dma_contig_free(q, vb); 227e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vb->state = VIDEOBUF_NEEDS_INIT; 228e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 229e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (V4L2_MEMORY_MMAP != common->memory) 230e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return; 231e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 232e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S buf_size = config_params.channel_bufsize[ch->channel_id]; 233e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 234e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 235e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic struct videobuf_queue_ops video_qops = { 236e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .buf_setup = vpif_buffer_setup, 237e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .buf_prepare = vpif_buffer_prepare, 238e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .buf_queue = vpif_buffer_queue, 239e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .buf_release = vpif_buffer_release, 240e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S}; 241e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic u8 channel_first_int[VPIF_NUMOBJECTS][2] = { {1, 1} }; 242e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 243e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic void process_progressive_mode(struct common_obj *common) 244e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 245e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S unsigned long addr = 0; 246e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 247e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Get the next buffer from buffer queue */ 248e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->next_frm = list_entry(common->dma_queue.next, 249e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct videobuf_buffer, queue); 250e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Remove that buffer from the buffer queue */ 251e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S list_del(&common->next_frm->queue); 252e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Mark status of the buffer as active */ 253e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->next_frm->state = VIDEOBUF_ACTIVE; 254e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 255e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Set top and bottom field addrs in VPIF registers */ 256e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S addr = videobuf_to_dma_contig(common->next_frm); 257e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->set_addr(addr + common->ytop_off, 258e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S addr + common->ybtm_off, 259e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S addr + common->ctop_off, 260e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S addr + common->cbtm_off); 261e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 262e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 263e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic void process_interlaced_mode(int fid, struct common_obj *common) 264e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 265e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* device field id and local field id are in sync */ 266e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* If this is even field */ 267e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (0 == fid) { 268e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (common->cur_frm == common->next_frm) 269e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return; 270e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 271e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* one frame is displayed If next frame is 272e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * available, release cur_frm and move on */ 273e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Copy frame display time */ 274e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S do_gettimeofday(&common->cur_frm->ts); 275e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Change status of the cur_frm */ 276e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->cur_frm->state = VIDEOBUF_DONE; 277e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* unlock semaphore on cur_frm */ 278e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S wake_up_interruptible(&common->cur_frm->done); 279e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Make cur_frm pointing to next_frm */ 280e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->cur_frm = common->next_frm; 281e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 282e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } else if (1 == fid) { /* odd field */ 283e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (list_empty(&common->dma_queue) 284e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S || (common->cur_frm != common->next_frm)) { 285e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return; 286e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 287e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* one field is displayed configure the next 288e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * frame if it is available else hold on current 289e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * frame */ 290e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Get next from the buffer queue */ 291e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S process_progressive_mode(common); 292e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 293e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 294e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 295e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 296e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 297e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_channel_isr: It changes status of the displayed buffer, takes next 298e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * buffer from the queue and sets its address in VPIF registers 299e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 300e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic irqreturn_t vpif_channel_isr(int irq, void *dev_id) 301e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 302e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_device *dev = &vpif_obj; 303e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch; 304e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common; 305e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enum v4l2_field field; 306e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int fid = -1, i; 307e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int channel_id = 0; 308e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 309e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S channel_id = *(int *)(dev_id); 310e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch = dev->dev[channel_id]; 311e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S field = ch->common[VPIF_VIDEO_INDEX].fmt.fmt.pix.field; 312e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (i = 0; i < VPIF_NUMOBJECTS; i++) { 313e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common = &ch->common[i]; 314e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* If streaming is started in this channel */ 315e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (0 == common->started) 316e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S continue; 317e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 318e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (1 == ch->vpifparams.std_info.frm_fmt) { 319e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (list_empty(&common->dma_queue)) 320e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S continue; 321e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 322e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Progressive mode */ 323e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!channel_first_int[i][channel_id]) { 324e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Mark status of the cur_frm to 325e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * done and unlock semaphore on it */ 326e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S do_gettimeofday(&common->cur_frm->ts); 327e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->cur_frm->state = VIDEOBUF_DONE; 328e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S wake_up_interruptible(&common->cur_frm->done); 329e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Make cur_frm pointing to next_frm */ 330e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->cur_frm = common->next_frm; 331e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 332e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 333e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S channel_first_int[i][channel_id] = 0; 334e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S process_progressive_mode(common); 335e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } else { 336e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Interlaced mode */ 337e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* If it is first interrupt, ignore it */ 338e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 339e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (channel_first_int[i][channel_id]) { 340e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S channel_first_int[i][channel_id] = 0; 341e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S continue; 342e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 343e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 344e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (0 == i) { 345e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->field_id ^= 1; 346e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Get field id from VPIF registers */ 347e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S fid = vpif_channel_getfid(ch->channel_id + 2); 348e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* If fid does not match with stored field id */ 349e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (fid != ch->field_id) { 350e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Make them in sync */ 351e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (0 == fid) 352e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->field_id = fid; 353e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 354e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return IRQ_HANDLED; 355e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 356e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 357e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S process_interlaced_mode(fid, common); 358e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 359e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 360e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 361e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return IRQ_HANDLED; 362e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 363e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 364c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaardstatic int vpif_update_std_info(struct channel_obj *ch) 365e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 366e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct video_obj *vid_ch = &ch->video; 367e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_params *vpifparams = &ch->vpifparams; 368e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_channel_config_params *std_info = &vpifparams->std_info; 369e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S const struct vpif_channel_config_params *config; 370e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 371c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard int i; 372e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 373c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard for (i = 0; i < vpif_ch_params_count; i++) { 374c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard config = &ch_params[i]; 37540c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard if (config->hd_sd == 0) { 37640c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard vpif_dbg(2, debug, "SD format\n"); 37740c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard if (config->stdid & vid_ch->stdid) { 37840c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard memcpy(std_info, config, sizeof(*config)); 37940c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard break; 38040c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard } 38140c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard } else { 38240c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard vpif_dbg(2, debug, "HD format\n"); 38340c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard if (config->dv_preset == vid_ch->dv_preset) { 38440c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard memcpy(std_info, config, sizeof(*config)); 38540c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard break; 38640c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard } 387e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 388e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 389e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 390c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (i == vpif_ch_params_count) { 391c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard vpif_dbg(1, debug, "Format not found\n"); 392aa4444063505983c5971bc8fb832385dfba16b41Mats Randgaard return -EINVAL; 393c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard } 394c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 395c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard return 0; 396c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard} 397c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 398c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaardstatic int vpif_update_resolution(struct channel_obj *ch) 399c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard{ 400c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 401c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct video_obj *vid_ch = &ch->video; 402c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct vpif_params *vpifparams = &ch->vpifparams; 403c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct vpif_channel_config_params *std_info = &vpifparams->std_info; 404c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 405c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (!vid_ch->stdid && !vid_ch->dv_preset && !vid_ch->bt_timings.height) 406c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard return -EINVAL; 407c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 408c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (vid_ch->stdid || vid_ch->dv_preset) { 409c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (vpif_update_std_info(ch)) 410c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard return -EINVAL; 411c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard } 412e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 413e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt.fmt.pix.width = std_info->width; 414e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt.fmt.pix.height = std_info->height; 415e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_dbg(1, debug, "Pixel details: Width = %d,Height = %d\n", 416e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt.fmt.pix.width, common->fmt.fmt.pix.height); 417e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 418e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Set height and width paramateres */ 419c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard common->height = std_info->height; 420c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard common->width = std_info->width; 421e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 422e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 423e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 424e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 425e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 426e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_calculate_offsets: This function calculates buffers offset for Y and C 427e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * in the top and bottom field 428e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 429e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic void vpif_calculate_offsets(struct channel_obj *ch) 430e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 431e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 432e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_params *vpifparams = &ch->vpifparams; 433e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enum v4l2_field field = common->fmt.fmt.pix.field; 434e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct video_obj *vid_ch = &ch->video; 435e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S unsigned int hpitch, vpitch, sizeimage; 436e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 437e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (V4L2_FIELD_ANY == common->fmt.fmt.pix.field) { 438e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ch->vpifparams.std_info.frm_fmt) 439e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vid_ch->buf_field = V4L2_FIELD_NONE; 440e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S else 441e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vid_ch->buf_field = V4L2_FIELD_INTERLACED; 442e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } else { 443e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vid_ch->buf_field = common->fmt.fmt.pix.field; 444e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 445e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 446e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (V4L2_MEMORY_USERPTR == common->memory) 447e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S sizeimage = common->fmt.fmt.pix.sizeimage; 448e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S else 449e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S sizeimage = config_params.channel_bufsize[ch->channel_id]; 450e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 451e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S hpitch = common->fmt.fmt.pix.bytesperline; 452e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpitch = sizeimage / (hpitch * 2); 453e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((V4L2_FIELD_NONE == vid_ch->buf_field) || 454e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { 455e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->ytop_off = 0; 456e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->ybtm_off = hpitch; 457e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->ctop_off = sizeimage / 2; 458e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->cbtm_off = sizeimage / 2 + hpitch; 459e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } else if (V4L2_FIELD_SEQ_TB == vid_ch->buf_field) { 460e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->ytop_off = 0; 461e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->ybtm_off = sizeimage / 4; 462e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->ctop_off = sizeimage / 2; 463e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->cbtm_off = common->ctop_off + sizeimage / 4; 464e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } else if (V4L2_FIELD_SEQ_BT == vid_ch->buf_field) { 465e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->ybtm_off = 0; 466e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->ytop_off = sizeimage / 4; 467e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->cbtm_off = sizeimage / 2; 468e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->ctop_off = common->cbtm_off + sizeimage / 4; 469e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 470e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 471e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((V4L2_FIELD_NONE == vid_ch->buf_field) || 472e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { 473e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpifparams->video_params.storage_mode = 1; 474e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } else { 475e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpifparams->video_params.storage_mode = 0; 476e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 477e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 478e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ch->vpifparams.std_info.frm_fmt == 1) { 479e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpifparams->video_params.hpitch = 480e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt.fmt.pix.bytesperline; 481e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } else { 482e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((field == V4L2_FIELD_ANY) || 483e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (field == V4L2_FIELD_INTERLACED)) 484e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpifparams->video_params.hpitch = 485e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt.fmt.pix.bytesperline * 2; 486e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S else 487e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpifparams->video_params.hpitch = 488e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt.fmt.pix.bytesperline; 489e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 490e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 491e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->vpifparams.video_params.stdid = ch->vpifparams.std_info.stdid; 492e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 493e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 494e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic void vpif_config_format(struct channel_obj *ch) 495e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 496e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 497e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 498e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt.fmt.pix.field = V4L2_FIELD_ANY; 499e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (config_params.numbuffers[ch->channel_id] == 0) 500e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->memory = V4L2_MEMORY_USERPTR; 501e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S else 502e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->memory = V4L2_MEMORY_MMAP; 503e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 504e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt.fmt.pix.sizeimage = 505e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S config_params.channel_bufsize[ch->channel_id]; 506e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; 507e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; 508e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 509e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 510e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_check_format(struct channel_obj *ch, 511e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_pix_format *pixfmt) 512e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 513e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 514e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enum v4l2_field field = pixfmt->field; 515e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S u32 sizeimage, hpitch, vpitch; 516e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 517e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) 518e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto invalid_fmt_exit; 519e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 520e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!(VPIF_VALID_FIELD(field))) 521e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto invalid_fmt_exit; 522e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 523e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (pixfmt->bytesperline <= 0) 524e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto invalid_pitch_exit; 525e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 526e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (V4L2_MEMORY_USERPTR == common->memory) 527e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S sizeimage = pixfmt->sizeimage; 528e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S else 529e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S sizeimage = config_params.channel_bufsize[ch->channel_id]; 530e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 531c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (vpif_update_resolution(ch)) 532e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 533e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 534e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S hpitch = pixfmt->bytesperline; 535e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpitch = sizeimage / (hpitch * 2); 536e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 537e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Check for valid value of pitch */ 538e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((hpitch < ch->vpifparams.std_info.width) || 539e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (vpitch < ch->vpifparams.std_info.height)) 540e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto invalid_pitch_exit; 541e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 542e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Check for 8 byte alignment */ 543e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!ISALIGNED(hpitch)) { 544e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("invalid pitch alignment\n"); 545e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 546e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 547e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S pixfmt->width = common->fmt.fmt.pix.width; 548e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S pixfmt->height = common->fmt.fmt.pix.height; 549e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 550e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 551e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 552e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sinvalid_fmt_exit: 553e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("invalid field format\n"); 554e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 555e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 556e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sinvalid_pitch_exit: 557e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("invalid pitch\n"); 558e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 559e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 560e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 561e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic void vpif_config_addr(struct channel_obj *ch, int muxmode) 562e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 563e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 564e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 565e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (VPIF_CHANNEL3_VIDEO == ch->channel_id) { 566e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->set_addr = ch3_set_videobuf_addr; 567e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } else { 568e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (2 == muxmode) 569e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->set_addr = ch2_set_videobuf_addr_yc_nmux; 570e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S else 571e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->set_addr = ch2_set_videobuf_addr; 572e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 573e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 574e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 575e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 576e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_mmap: It is used to map kernel space buffers into user spaces 577e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 578e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_mmap(struct file *filep, struct vm_area_struct *vma) 579e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 580e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = filep->private_data; 5812c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard struct channel_obj *ch = fh->channel; 5822c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]); 5832c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard 5842c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard vpif_dbg(2, debug, "vpif_mmap\n"); 585e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 586e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return videobuf_mmap_mapper(&common->buffer_queue, vma); 587e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 588e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 589e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 590e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_poll: It is used for select/poll system call 591e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 592e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic unsigned int vpif_poll(struct file *filep, poll_table *wait) 593e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 594e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = filep->private_data; 595e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 596e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 597e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 598e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (common->started) 599e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return videobuf_poll_stream(filep, &common->buffer_queue, wait); 600e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 601e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 602e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 603e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 604e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 605e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_open: It creates object of file handle structure and stores it in 606e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * private_data member of filepointer 607e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 608e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_open(struct file *filep) 609e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 610e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct video_device *vdev = video_devdata(filep); 611e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = NULL; 612e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = NULL; 613e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 614e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch = video_get_drvdata(vdev); 615e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Allocate memory for the file handle object */ 6161f8766b4e3f06c2206e7ff48da72d2886672759aMats Randgaard fh = kzalloc(sizeof(struct vpif_fh), GFP_KERNEL); 617e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (fh == NULL) { 618e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("unable to allocate memory for file handle object\n"); 619e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -ENOMEM; 620e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 621e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 622e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* store pointer to fh in private_data member of filep */ 623e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S filep->private_data = fh; 624e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S fh->channel = ch; 625e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S fh->initialized = 0; 626e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!ch->initialized) { 627e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S fh->initialized = 1; 628e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->initialized = 1; 629e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S memset(&ch->vpifparams, 0, sizeof(ch->vpifparams)); 630e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 631e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 632e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Increment channel usrs counter */ 633e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S atomic_inc(&ch->usrs); 634e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Set io_allowed[VPIF_VIDEO_INDEX] member to false */ 635e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S fh->io_allowed[VPIF_VIDEO_INDEX] = 0; 636e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Initialize priority of this instance to default priority */ 637e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S fh->prio = V4L2_PRIORITY_UNSET; 638e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S v4l2_prio_open(&ch->prio, &fh->prio); 639e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 640e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 641e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 642e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 643e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 644e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_release: This function deletes buffer queue, frees the buffers and 645e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * the vpif file handle 646e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 647e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_release(struct file *filep) 648e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 649e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = filep->private_data; 650e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 651e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 652e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 653e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* if this instance is doing IO */ 654e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (fh->io_allowed[VPIF_VIDEO_INDEX]) { 655e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Reset io_usrs member of channel object */ 656e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->io_usrs = 0; 657e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Disable channel */ 658e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { 659e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enable_channel2(0); 660e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S channel2_intr_enable(0); 661e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 662e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) || 663e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (2 == common->started)) { 664e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enable_channel3(0); 665e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S channel3_intr_enable(0); 666e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 667e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->started = 0; 668e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Free buffers allocated */ 669e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S videobuf_queue_cancel(&common->buffer_queue); 670e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S videobuf_mmap_free(&common->buffer_queue); 671e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->numbuffers = 672e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S config_params.numbuffers[ch->channel_id]; 673e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 674e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 675e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Decrement channel usrs counter */ 676e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S atomic_dec(&ch->usrs); 677e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* If this file handle has initialize encoder device, reset it */ 678e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (fh->initialized) 679e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->initialized = 0; 680e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 681e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Close the priority */ 682ffb4877ba013f94322083f77cbb05b35c2a218aaHans Verkuil v4l2_prio_close(&ch->prio, fh->prio); 683e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S filep->private_data = NULL; 684e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S fh->initialized = 0; 685e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S kfree(fh); 686e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 687e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 688e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 689e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 690e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* functions implementing ioctls */ 6912c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard/** 6922c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard * vpif_querycap() - QUERYCAP handler 6932c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard * @file: file ptr 6942c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard * @priv: file handle 6952c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard * @cap: ptr to v4l2_capability structure 6962c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard */ 697e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_querycap(struct file *file, void *priv, 698e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_capability *cap) 699e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 700317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri struct vpif_display_config *config = vpif_dev->platform_data; 701e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 702e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S cap->capabilities = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; 703e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S strlcpy(cap->driver, "vpif display", sizeof(cap->driver)); 704e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S strlcpy(cap->bus_info, "Platform", sizeof(cap->bus_info)); 705e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S strlcpy(cap->card, config->card_name, sizeof(cap->card)); 706e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 707e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 708e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 709e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 710e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_enum_fmt_vid_out(struct file *file, void *priv, 711e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_fmtdesc *fmt) 712e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 713e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (fmt->index != 0) { 714e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("Invalid format index\n"); 715e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 716e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 717e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 718e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Fill in the information about format */ 719e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S fmt->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; 720e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S strcpy(fmt->description, "YCbCr4:2:2 YC Planar"); 721e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S fmt->pixelformat = V4L2_PIX_FMT_YUV422P; 722e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 723e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 724e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 725e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 726e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_g_fmt_vid_out(struct file *file, void *priv, 727e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_format *fmt) 728e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 729e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 730e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 731e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 732e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 733e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Check the validity of the buffer type */ 734e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (common->fmt.type != fmt->type) 735e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 736e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 737c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (vpif_update_resolution(ch)) 7389bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return -EINVAL; 7399bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil *fmt = common->fmt; 7409bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return 0; 741e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 742e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 743e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_s_fmt_vid_out(struct file *file, void *priv, 744e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_format *fmt) 745e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 746e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 747e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_pix_format *pixfmt; 748e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 749e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 750e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int ret = 0; 751e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 752e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((VPIF_CHANNEL2_VIDEO == ch->channel_id) 753e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S || (VPIF_CHANNEL3_VIDEO == ch->channel_id)) { 754e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!fh->initialized) { 755e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_dbg(1, debug, "Channel Busy\n"); 756e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EBUSY; 757e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 758e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 759e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Check for the priority */ 760ffb4877ba013f94322083f77cbb05b35c2a218aaHans Verkuil ret = v4l2_prio_check(&ch->prio, fh->prio); 761e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (0 != ret) 762e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return ret; 763e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S fh->initialized = 1; 764e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 765e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 766e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (common->started) { 767e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_dbg(1, debug, "Streaming in progress\n"); 768e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EBUSY; 769e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 770e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 771e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S pixfmt = &fmt->fmt.pix; 772e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Check for valid field format */ 773e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ret = vpif_check_format(ch, pixfmt); 774e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ret) 775e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return ret; 776e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 777e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* store the pix format in the channel object */ 778e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt.fmt.pix = *pixfmt; 779e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* store the format in the channel object */ 780e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt = *fmt; 781e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 782e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 783e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 784e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_try_fmt_vid_out(struct file *file, void *priv, 785e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_format *fmt) 786e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 787e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 788e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 789e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 790e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; 791e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int ret = 0; 792e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 793e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ret = vpif_check_format(ch, pixfmt); 794e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ret) { 795e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S *pixfmt = common->fmt.fmt.pix; 796e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S pixfmt->sizeimage = pixfmt->width * pixfmt->height * 2; 797e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 798e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 799e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return ret; 800e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 801e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 802e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_reqbufs(struct file *file, void *priv, 803e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_requestbuffers *reqbuf) 804e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 805e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 806e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 807e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common; 808e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enum v4l2_field field; 809e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S u8 index = 0; 810e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 811e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* This file handle has not initialized the channel, 812e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S It is not allowed to do settings */ 813e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((VPIF_CHANNEL2_VIDEO == ch->channel_id) 814e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S || (VPIF_CHANNEL3_VIDEO == ch->channel_id)) { 815e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!fh->initialized) { 816e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("Channel Busy\n"); 817e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EBUSY; 818e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 819e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 820e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 821e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (V4L2_BUF_TYPE_VIDEO_OUTPUT != reqbuf->type) 822e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 823e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 824e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S index = VPIF_VIDEO_INDEX; 825e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 826e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common = &ch->common[index]; 82713df4f6a36e41e0c8f25273ef2077b239f633265Chaithrika U S 8289bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil if (common->fmt.type != reqbuf->type) 8299bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return -EINVAL; 830e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 8319bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil if (0 != common->io_usrs) 8329bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return -EBUSY; 833e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 834e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (reqbuf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { 835e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (common->fmt.fmt.pix.field == V4L2_FIELD_ANY) 836e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S field = V4L2_FIELD_INTERLACED; 837e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S else 838e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S field = common->fmt.fmt.pix.field; 839e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } else { 840e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S field = V4L2_VBI_INTERLACED; 841e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 842e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 843e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Initialize videobuf queue as per the buffer type */ 844e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S videobuf_queue_dma_contig_init(&common->buffer_queue, 845e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S &video_qops, NULL, 846e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S &common->irqlock, 847e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S reqbuf->type, field, 848e3cfd447d01cf723ccda0ad6bfa2e85b73d3d747Hans Verkuil sizeof(struct videobuf_buffer), fh, 8499bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil &common->lock); 850e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 851e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Set io allowed member of file handle to TRUE */ 852e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S fh->io_allowed[index] = 1; 853e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Increment io usrs member of channel object to 1 */ 854e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->io_usrs = 1; 855e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Store type of memory requested in channel object */ 856e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->memory = reqbuf->memory; 857e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S INIT_LIST_HEAD(&common->dma_queue); 858e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 859e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Allocate buffers */ 8609bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return videobuf_reqbufs(&common->buffer_queue, reqbuf); 861e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 862e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 863e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_querybuf(struct file *file, void *priv, 864e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_buffer *tbuf) 865e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 866e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 867e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 868e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 869e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 870e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (common->fmt.type != tbuf->type) 871e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 872e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 873e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return videobuf_querybuf(&common->buffer_queue, tbuf); 874e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 875e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 876e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) 877e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 878e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 879e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 880e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 881e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 882e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_buffer tbuf = *buf; 883e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct videobuf_buffer *buf1; 884e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S unsigned long addr = 0; 885e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S unsigned long flags; 886e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int ret = 0; 887e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 888e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (common->fmt.type != tbuf.type) 889e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 890e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 891e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!fh->io_allowed[VPIF_VIDEO_INDEX]) { 892e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("fh->io_allowed\n"); 893e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EACCES; 894e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 895e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 896e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!(list_empty(&common->dma_queue)) || 897e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (common->cur_frm != common->next_frm) || 898e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S !(common->started) || 899e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (common->started && (0 == ch->field_id))) 900e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return videobuf_qbuf(&common->buffer_queue, buf); 901e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 902e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* bufferqueue is empty store buffer address in VPIF registers */ 903e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S mutex_lock(&common->buffer_queue.vb_lock); 904e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S buf1 = common->buffer_queue.bufs[tbuf.index]; 905e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (buf1->memory != tbuf.memory) { 906e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("invalid buffer type\n"); 907e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto qbuf_exit; 908e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 909e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 910e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((buf1->state == VIDEOBUF_QUEUED) || 911e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (buf1->state == VIDEOBUF_ACTIVE)) { 912e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("invalid state\n"); 913e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto qbuf_exit; 914e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 915e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 916e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S switch (buf1->memory) { 917e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S case V4L2_MEMORY_MMAP: 918e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (buf1->baddr == 0) 919e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto qbuf_exit; 920e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S break; 921e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 922e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S case V4L2_MEMORY_USERPTR: 923e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (tbuf.length < buf1->bsize) 924e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto qbuf_exit; 925e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 926e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((VIDEOBUF_NEEDS_INIT != buf1->state) 927473d80247332b818caf6d25ed3eaaa10d3dfcfb7Julia Lawall && (buf1->baddr != tbuf.m.userptr)) { 928e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_buffer_release(&common->buffer_queue, buf1); 929e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S buf1->baddr = tbuf.m.userptr; 930473d80247332b818caf6d25ed3eaaa10d3dfcfb7Julia Lawall } 931e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S break; 932e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 933e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S default: 934e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto qbuf_exit; 935e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 936e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 937e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S local_irq_save(flags); 938e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ret = vpif_buffer_prepare(&common->buffer_queue, buf1, 939e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->buffer_queue.field); 940e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ret < 0) { 941e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S local_irq_restore(flags); 942e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto qbuf_exit; 943e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 944e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 945e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S buf1->state = VIDEOBUF_ACTIVE; 946e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S addr = buf1->boff; 947e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->next_frm = buf1; 948e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (tbuf.type != V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) { 949e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->set_addr((addr + common->ytop_off), 950e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (addr + common->ybtm_off), 951e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (addr + common->ctop_off), 952e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (addr + common->cbtm_off)); 953e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 954e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 955e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S local_irq_restore(flags); 956e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S list_add_tail(&buf1->stream, &common->buffer_queue.stream); 957e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S mutex_unlock(&common->buffer_queue.vb_lock); 958e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 959e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 960e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sqbuf_exit: 961e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S mutex_unlock(&common->buffer_queue.vb_lock); 962e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 963e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 964e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 965e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_s_std(struct file *file, void *priv, v4l2_std_id *std_id) 966e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 967e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 968e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 969e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 970e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int ret = 0; 971e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 972e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!(*std_id & DM646X_V4L2_STD)) 973e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 974e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 975e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (common->started) { 976e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("streaming in progress\n"); 977e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EBUSY; 978e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 979e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 980e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Call encoder subdevice function to set the standard */ 981e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->video.stdid = *std_id; 982c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard ch->video.dv_preset = V4L2_DV_INVALID; 983c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard memset(&ch->video.bt_timings, 0, sizeof(ch->video.bt_timings)); 984c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 985e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Get the information about the standard */ 9869bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil if (vpif_update_resolution(ch)) 9879bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return -EINVAL; 988e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 989e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((ch->vpifparams.std_info.width * 990e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->vpifparams.std_info.height * 2) > 991e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S config_params.channel_bufsize[ch->channel_id]) { 992e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("invalid std for this size\n"); 9939bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return -EINVAL; 994e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 995e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 996e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->fmt.fmt.pix.bytesperline = common->fmt.fmt.pix.width; 997e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Configure the default format information */ 998e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_config_format(ch); 999e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1000e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, 1001e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S s_std_output, *std_id); 1002e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ret < 0) { 1003e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("Failed to set output standard\n"); 10049bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return ret; 1005e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1006e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1007e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, core, 1008e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S s_std, *std_id); 1009e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ret < 0) 1010e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("Failed to set standard for sub devices\n"); 1011e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return ret; 1012e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1013e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1014e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std) 1015e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1016e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 1017e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 1018e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1019e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S *std = ch->video.stdid; 1020e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 1021e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1022e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1023e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) 1024e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1025e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 1026e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 1027e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 1028e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1029e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return videobuf_dqbuf(&common->buffer_queue, p, 1030e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (file->f_flags & O_NONBLOCK)); 1031e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1032e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1033e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_streamon(struct file *file, void *priv, 1034e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enum v4l2_buf_type buftype) 1035e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1036e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 1037e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 1038e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 1039e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *oth_ch = vpif_obj.dev[!ch->channel_id]; 1040e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_params *vpif = &ch->vpifparams; 1041317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri struct vpif_display_config *vpif_config_data = 1042e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_dev->platform_data; 1043e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S unsigned long addr = 0; 1044e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int ret = 0; 1045e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1046e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (buftype != V4L2_BUF_TYPE_VIDEO_OUTPUT) { 1047e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("buffer type not supported\n"); 1048e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 1049e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1050e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1051e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!fh->io_allowed[VPIF_VIDEO_INDEX]) { 1052e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("fh->io_allowed\n"); 1053e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EACCES; 1054e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1055e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1056e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* If Streaming is already started, return error */ 1057e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (common->started) { 1058e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("channel->started\n"); 1059e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EBUSY; 1060e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1061e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1062e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((ch->channel_id == VPIF_CHANNEL2_VIDEO 1063e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S && oth_ch->common[VPIF_VIDEO_INDEX].started && 1064e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->vpifparams.std_info.ycmux_mode == 0) 1065e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S || ((ch->channel_id == VPIF_CHANNEL3_VIDEO) 1066e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S && (2 == oth_ch->common[VPIF_VIDEO_INDEX].started))) { 1067e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("other channel is using\n"); 1068e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EBUSY; 1069e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1070e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1071e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ret = vpif_check_format(ch, &common->fmt.fmt.pix); 1072e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ret < 0) 1073e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return ret; 1074e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 10752c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard /* Call videobuf_streamon to start streaming in videobuf */ 1076e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ret = videobuf_streamon(&common->buffer_queue); 1077e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ret < 0) { 1078e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("videobuf_streamon\n"); 1079e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return ret; 1080e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1081e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1082e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* If buffer queue is empty, return error */ 1083e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (list_empty(&common->dma_queue)) { 1084e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("buffer queue is empty\n"); 10859bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return -EIO; 1086e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1087e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1088e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Get the next frame from the buffer queue */ 1089e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->next_frm = common->cur_frm = 1090e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S list_entry(common->dma_queue.next, 1091e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct videobuf_buffer, queue); 1092e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1093e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S list_del(&common->cur_frm->queue); 1094e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Mark state of the current frame to active */ 1095e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->cur_frm->state = VIDEOBUF_ACTIVE; 1096e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1097e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Initialize field_id and started member */ 1098e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->field_id = 0; 1099e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->started = 1; 1100e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (buftype == V4L2_BUF_TYPE_VIDEO_OUTPUT) { 1101e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S addr = common->cur_frm->boff; 1102e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Calculate the offset for Y and C data in the buffer */ 1103e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_calculate_offsets(ch); 1104e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1105e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((ch->vpifparams.std_info.frm_fmt && 1106e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ((common->fmt.fmt.pix.field != V4L2_FIELD_NONE) 1107e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S && (common->fmt.fmt.pix.field != V4L2_FIELD_ANY))) 1108e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S || (!ch->vpifparams.std_info.frm_fmt 1109e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S && (common->fmt.fmt.pix.field == V4L2_FIELD_NONE))) { 1110e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("conflict in field format and std format\n"); 11119bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return -EINVAL; 1112e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1113e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1114e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* clock settings */ 1115e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ret = 1116e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_config_data->set_clock(ch->vpifparams.std_info.ycmux_mode, 1117e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->vpifparams.std_info.hd_sd); 1118e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ret < 0) { 1119e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("can't set clock\n"); 11209bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return ret; 1121e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1122e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1123e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* set the parameters and addresses */ 1124e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ret = vpif_set_video_params(vpif, ch->channel_id + 2); 1125e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ret < 0) 11269bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return ret; 1127e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1128e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->started = ret; 1129e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_config_addr(ch, ret); 1130e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->set_addr((addr + common->ytop_off), 1131e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (addr + common->ybtm_off), 1132e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (addr + common->ctop_off), 1133e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (addr + common->cbtm_off)); 1134e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1135e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Set interrupt for both the fields in VPIF 1136e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S Register enable channel in VPIF register */ 1137e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { 1138e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S channel2_intr_assert(); 1139e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S channel2_intr_enable(1); 1140e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enable_channel2(1); 1141e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1142e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1143e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) 1144e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S || (common->started == 2)) { 1145e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S channel3_intr_assert(); 1146e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S channel3_intr_enable(1); 1147e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enable_channel3(1); 1148e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1149e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1; 1150e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1151e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return ret; 1152e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1153e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1154e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_streamoff(struct file *file, void *priv, 1155e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enum v4l2_buf_type buftype) 1156e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1157e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 1158e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 1159e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 1160e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1161e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (buftype != V4L2_BUF_TYPE_VIDEO_OUTPUT) { 1162e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("buffer type not supported\n"); 1163e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 1164e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1165e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1166e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!fh->io_allowed[VPIF_VIDEO_INDEX]) { 1167e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("fh->io_allowed\n"); 1168e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EACCES; 1169e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1170e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1171e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!common->started) { 1172e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("channel->started\n"); 1173e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 1174e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1175e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1176e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (buftype == V4L2_BUF_TYPE_VIDEO_OUTPUT) { 1177e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* disable channel */ 1178e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { 1179e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enable_channel2(0); 1180e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S channel2_intr_enable(0); 1181e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1182e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) || 1183e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (2 == common->started)) { 1184e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S enable_channel3(0); 1185e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S channel3_intr_enable(0); 1186e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1187e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1188e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1189e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->started = 0; 1190e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return videobuf_streamoff(&common->buffer_queue); 1191e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1192e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1193e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_cropcap(struct file *file, void *priv, 1194e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_cropcap *crop) 1195e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1196e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 1197e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 1198e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 1199e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (V4L2_BUF_TYPE_VIDEO_OUTPUT != crop->type) 1200e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 1201e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1202e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S crop->bounds.left = crop->bounds.top = 0; 1203e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S crop->defrect.left = crop->defrect.top = 0; 1204e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S crop->defrect.height = crop->bounds.height = common->height; 1205e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S crop->defrect.width = crop->bounds.width = common->width; 1206e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1207e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 1208e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1209e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1210e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_enum_output(struct file *file, void *fh, 1211e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct v4l2_output *output) 1212e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1213e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1214317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri struct vpif_display_config *config = vpif_dev->platform_data; 1215e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1216e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (output->index >= config->output_count) { 1217e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_dbg(1, debug, "Invalid output index\n"); 1218e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return -EINVAL; 1219e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1220e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1221e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S strcpy(output->name, config->output[output->index]); 1222e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S output->type = V4L2_OUTPUT_TYPE_ANALOG; 1223e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S output->std = DM646X_V4L2_STD; 1224e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1225e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 1226e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1227e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1228e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_s_output(struct file *file, void *priv, unsigned int i) 1229e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1230e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 1231e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 1232e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct video_obj *vid_ch = &ch->video; 1233e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 1234e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int ret = 0; 1235e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1236e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (common->started) { 1237e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("Streaming in progress\n"); 12389bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil return -EBUSY; 1239e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1240e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1241e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, 1242e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S s_routing, 0, i, 0); 1243e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1244e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ret < 0) 1245e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("Failed to set output standard\n"); 1246e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1247e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vid_ch->output_id = i; 1248e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return ret; 1249e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1250e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1251e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_g_output(struct file *file, void *priv, unsigned int *i) 1252e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1253e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 1254e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 1255e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct video_obj *vid_ch = &ch->video; 1256e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1257e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S *i = vid_ch->output_id; 1258e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1259e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 1260e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1261e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1262e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_g_priority(struct file *file, void *priv, enum v4l2_priority *p) 1263e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1264e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 1265e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 1266e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1267e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S *p = v4l2_prio_max(&ch->prio); 1268e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1269e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 1270e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1271e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1272e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_s_priority(struct file *file, void *priv, enum v4l2_priority p) 1273e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1274e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct vpif_fh *fh = priv; 1275e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch = fh->channel; 1276e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1277e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return v4l2_prio_change(&ch->prio, &fh->prio, p); 1278e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1279e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 128040c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard/** 128140c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard * vpif_enum_dv_presets() - ENUM_DV_PRESETS handler 128240c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard * @file: file ptr 128340c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard * @priv: file handle 128440c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard * @preset: input preset 128540c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard */ 128640c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaardstatic int vpif_enum_dv_presets(struct file *file, void *priv, 128740c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard struct v4l2_dv_enum_preset *preset) 128840c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard{ 128940c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard struct vpif_fh *fh = priv; 129040c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard struct channel_obj *ch = fh->channel; 129140c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard struct video_obj *vid_ch = &ch->video; 129240c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 129340c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard return v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id], 129440c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard video, enum_dv_presets, preset); 129540c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard} 129640c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 129740c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard/** 129840c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard * vpif_s_dv_presets() - S_DV_PRESETS handler 129940c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard * @file: file ptr 130040c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard * @priv: file handle 130140c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard * @preset: input preset 130240c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard */ 130340c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaardstatic int vpif_s_dv_preset(struct file *file, void *priv, 130440c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard struct v4l2_dv_preset *preset) 130540c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard{ 130640c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard struct vpif_fh *fh = priv; 130740c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard struct channel_obj *ch = fh->channel; 130840c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; 130940c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard struct video_obj *vid_ch = &ch->video; 131040c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard int ret = 0; 131140c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 131240c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard if (common->started) { 131340c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard vpif_dbg(1, debug, "streaming in progress\n"); 131440c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard return -EBUSY; 131540c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard } 131640c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 131740c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard ret = v4l2_prio_check(&ch->prio, fh->prio); 131840c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard if (ret != 0) 131940c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard return ret; 132040c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 132140c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard fh->initialized = 1; 132240c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 132340c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard /* Call encoder subdevice function to set the standard */ 132440c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard if (mutex_lock_interruptible(&common->lock)) 132540c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard return -ERESTARTSYS; 132640c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 132740c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard ch->video.dv_preset = preset->preset; 132840c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard ch->video.stdid = V4L2_STD_UNKNOWN; 1329c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard memset(&ch->video.bt_timings, 0, sizeof(ch->video.bt_timings)); 133040c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 133140c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard /* Get the information about the standard */ 1332c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (vpif_update_resolution(ch)) { 133340c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard ret = -EINVAL; 133440c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard } else { 133540c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard /* Configure the default format information */ 133640c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard vpif_config_format(ch); 133740c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 133840c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard ret = v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id], 133940c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard video, s_dv_preset, preset); 134040c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard } 134140c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 134240c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard mutex_unlock(&common->lock); 134340c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 134440c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard return ret; 134540c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard} 134640c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard/** 134740c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard * vpif_g_dv_presets() - G_DV_PRESETS handler 134840c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard * @file: file ptr 134940c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard * @priv: file handle 135040c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard * @preset: input preset 135140c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard */ 135240c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaardstatic int vpif_g_dv_preset(struct file *file, void *priv, 135340c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard struct v4l2_dv_preset *preset) 135440c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard{ 135540c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard struct vpif_fh *fh = priv; 135640c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard struct channel_obj *ch = fh->channel; 135740c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 135840c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard preset->preset = ch->video.dv_preset; 135940c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard 136040c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard return 0; 136140c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard} 1362c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard/** 1363c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard * vpif_s_dv_timings() - S_DV_TIMINGS handler 1364c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard * @file: file ptr 1365c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard * @priv: file handle 1366c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard * @timings: digital video timings 1367c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard */ 1368c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaardstatic int vpif_s_dv_timings(struct file *file, void *priv, 1369c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct v4l2_dv_timings *timings) 1370c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard{ 1371c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct vpif_fh *fh = priv; 1372c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct channel_obj *ch = fh->channel; 1373c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct vpif_params *vpifparams = &ch->vpifparams; 1374c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct vpif_channel_config_params *std_info = &vpifparams->std_info; 1375c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct video_obj *vid_ch = &ch->video; 1376c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct v4l2_bt_timings *bt = &vid_ch->bt_timings; 1377c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard int ret; 1378c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1379c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (timings->type != V4L2_DV_BT_656_1120) { 1380c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard vpif_dbg(2, debug, "Timing type not defined\n"); 1381c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard return -EINVAL; 1382c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard } 1383c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1384c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard /* Configure subdevice timings, if any */ 1385c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard ret = v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id], 1386c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard video, s_dv_timings, timings); 1387c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (ret == -ENOIOCTLCMD) { 1388c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard vpif_dbg(2, debug, "Custom DV timings not supported by " 1389c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard "subdevice\n"); 1390c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard return -EINVAL; 1391c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard } 1392c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (ret < 0) { 1393c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard vpif_dbg(2, debug, "Error setting custom DV timings\n"); 1394c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard return ret; 1395c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard } 1396c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1397c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (!(timings->bt.width && timings->bt.height && 1398c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard (timings->bt.hbackporch || 1399c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard timings->bt.hfrontporch || 1400c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard timings->bt.hsync) && 1401c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard timings->bt.vfrontporch && 1402c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard (timings->bt.vbackporch || 1403c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard timings->bt.vsync))) { 1404c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard vpif_dbg(2, debug, "Timings for width, height, " 1405c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard "horizontal back porch, horizontal sync, " 1406c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard "horizontal front porch, vertical back porch, " 1407c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard "vertical sync and vertical back porch " 1408c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard "must be defined\n"); 1409c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard return -EINVAL; 1410c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard } 1411c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1412c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard *bt = timings->bt; 1413c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1414c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard /* Configure video port timings */ 1415c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1416c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->eav2sav = bt->hbackporch + bt->hfrontporch + 1417c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard bt->hsync - 8; 1418c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->sav2eav = bt->width; 1419c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1420c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->l1 = 1; 1421c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->l3 = bt->vsync + bt->vbackporch + 1; 1422c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1423c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (bt->interlaced) { 1424c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) { 1425c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->vsize = bt->height * 2 + 1426c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard bt->vfrontporch + bt->vsync + bt->vbackporch + 1427c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard bt->il_vfrontporch + bt->il_vsync + 1428c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard bt->il_vbackporch; 1429c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->l5 = std_info->vsize/2 - 1430c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard (bt->vfrontporch - 1); 1431c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->l7 = std_info->vsize/2 + 1; 1432c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->l9 = std_info->l7 + bt->il_vsync + 1433c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard bt->il_vbackporch + 1; 1434c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->l11 = std_info->vsize - 1435c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard (bt->il_vfrontporch - 1); 1436c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard } else { 1437c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard vpif_dbg(2, debug, "Required timing values for " 1438c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard "interlaced BT format missing\n"); 1439c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard return -EINVAL; 1440c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard } 1441c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard } else { 1442c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->vsize = bt->height + bt->vfrontporch + 1443c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard bt->vsync + bt->vbackporch; 1444c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->l5 = std_info->vsize - (bt->vfrontporch - 1); 1445c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard } 1446c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard strncpy(std_info->name, "Custom timings BT656/1120", 1447c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard VPIF_MAX_NAME); 1448c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->width = bt->width; 1449c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->height = bt->height; 1450c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->frm_fmt = bt->interlaced ? 0 : 1; 1451c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->ycmux_mode = 0; 1452c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->capture_format = 0; 1453c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->vbi_supported = 0; 1454c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->hd_sd = 1; 1455c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->stdid = 0; 1456c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard std_info->dv_preset = V4L2_DV_INVALID; 1457c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1458c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard vid_ch->stdid = 0; 1459c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard vid_ch->dv_preset = V4L2_DV_INVALID; 1460c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1461c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard return 0; 1462c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard} 1463c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1464c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard/** 1465c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard * vpif_g_dv_timings() - G_DV_TIMINGS handler 1466c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard * @file: file ptr 1467c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard * @priv: file handle 1468c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard * @timings: digital video timings 1469c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard */ 1470c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaardstatic int vpif_g_dv_timings(struct file *file, void *priv, 1471c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct v4l2_dv_timings *timings) 1472c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard{ 1473c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct vpif_fh *fh = priv; 1474c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct channel_obj *ch = fh->channel; 1475c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct video_obj *vid_ch = &ch->video; 1476c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard struct v4l2_bt_timings *bt = &vid_ch->bt_timings; 1477c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1478c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard timings->bt = *bt; 1479c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard 1480c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard return 0; 1481c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard} 14827036d6a73c88428764e4a12f30846279346f4382Mats Randgaard 14837036d6a73c88428764e4a12f30846279346f4382Mats Randgaard/* 14847036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * vpif_g_chip_ident() - Identify the chip 14857036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * @file: file ptr 14867036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * @priv: file handle 14877036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * @chip: chip identity 14887036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * 14897036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * Returns zero or -EINVAL if read operations fails. 14907036d6a73c88428764e4a12f30846279346f4382Mats Randgaard */ 14917036d6a73c88428764e4a12f30846279346f4382Mats Randgaardstatic int vpif_g_chip_ident(struct file *file, void *priv, 14927036d6a73c88428764e4a12f30846279346f4382Mats Randgaard struct v4l2_dbg_chip_ident *chip) 14937036d6a73c88428764e4a12f30846279346f4382Mats Randgaard{ 14947036d6a73c88428764e4a12f30846279346f4382Mats Randgaard chip->ident = V4L2_IDENT_NONE; 14957036d6a73c88428764e4a12f30846279346f4382Mats Randgaard chip->revision = 0; 14967036d6a73c88428764e4a12f30846279346f4382Mats Randgaard if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER && 14977036d6a73c88428764e4a12f30846279346f4382Mats Randgaard chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR) { 14987036d6a73c88428764e4a12f30846279346f4382Mats Randgaard vpif_dbg(2, debug, "match_type is invalid.\n"); 14997036d6a73c88428764e4a12f30846279346f4382Mats Randgaard return -EINVAL; 15007036d6a73c88428764e4a12f30846279346f4382Mats Randgaard } 15017036d6a73c88428764e4a12f30846279346f4382Mats Randgaard 15027036d6a73c88428764e4a12f30846279346f4382Mats Randgaard return v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 0, core, 15037036d6a73c88428764e4a12f30846279346f4382Mats Randgaard g_chip_ident, chip); 15047036d6a73c88428764e4a12f30846279346f4382Mats Randgaard} 15057036d6a73c88428764e4a12f30846279346f4382Mats Randgaard 15067036d6a73c88428764e4a12f30846279346f4382Mats Randgaard#ifdef CONFIG_VIDEO_ADV_DEBUG 15077036d6a73c88428764e4a12f30846279346f4382Mats Randgaard/* 15087036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * vpif_dbg_g_register() - Read register 15097036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * @file: file ptr 15107036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * @priv: file handle 15117036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * @reg: register to be read 15127036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * 15137036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * Debugging only 15147036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * Returns zero or -EINVAL if read operations fails. 15157036d6a73c88428764e4a12f30846279346f4382Mats Randgaard */ 15167036d6a73c88428764e4a12f30846279346f4382Mats Randgaardstatic int vpif_dbg_g_register(struct file *file, void *priv, 15177036d6a73c88428764e4a12f30846279346f4382Mats Randgaard struct v4l2_dbg_register *reg){ 15187036d6a73c88428764e4a12f30846279346f4382Mats Randgaard struct vpif_fh *fh = priv; 15197036d6a73c88428764e4a12f30846279346f4382Mats Randgaard struct channel_obj *ch = fh->channel; 15207036d6a73c88428764e4a12f30846279346f4382Mats Randgaard struct video_obj *vid_ch = &ch->video; 15217036d6a73c88428764e4a12f30846279346f4382Mats Randgaard 15227036d6a73c88428764e4a12f30846279346f4382Mats Randgaard return v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id], core, 15237036d6a73c88428764e4a12f30846279346f4382Mats Randgaard g_register, reg); 15247036d6a73c88428764e4a12f30846279346f4382Mats Randgaard} 15257036d6a73c88428764e4a12f30846279346f4382Mats Randgaard 15267036d6a73c88428764e4a12f30846279346f4382Mats Randgaard/* 15277036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * vpif_dbg_s_register() - Write to register 15287036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * @file: file ptr 15297036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * @priv: file handle 15307036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * @reg: register to be modified 15317036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * 15327036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * Debugging only 15337036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * Returns zero or -EINVAL if write operations fails. 15347036d6a73c88428764e4a12f30846279346f4382Mats Randgaard */ 15357036d6a73c88428764e4a12f30846279346f4382Mats Randgaardstatic int vpif_dbg_s_register(struct file *file, void *priv, 15367036d6a73c88428764e4a12f30846279346f4382Mats Randgaard struct v4l2_dbg_register *reg){ 15377036d6a73c88428764e4a12f30846279346f4382Mats Randgaard struct vpif_fh *fh = priv; 15387036d6a73c88428764e4a12f30846279346f4382Mats Randgaard struct channel_obj *ch = fh->channel; 15397036d6a73c88428764e4a12f30846279346f4382Mats Randgaard struct video_obj *vid_ch = &ch->video; 15407036d6a73c88428764e4a12f30846279346f4382Mats Randgaard 15417036d6a73c88428764e4a12f30846279346f4382Mats Randgaard return v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id], core, 15427036d6a73c88428764e4a12f30846279346f4382Mats Randgaard s_register, reg); 15437036d6a73c88428764e4a12f30846279346f4382Mats Randgaard} 15447036d6a73c88428764e4a12f30846279346f4382Mats Randgaard#endif 15457036d6a73c88428764e4a12f30846279346f4382Mats Randgaard 15467036d6a73c88428764e4a12f30846279346f4382Mats Randgaard/* 15477036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * vpif_log_status() - Status information 15487036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * @file: file ptr 15497036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * @priv: file handle 15507036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * 15517036d6a73c88428764e4a12f30846279346f4382Mats Randgaard * Returns zero. 15527036d6a73c88428764e4a12f30846279346f4382Mats Randgaard */ 15537036d6a73c88428764e4a12f30846279346f4382Mats Randgaardstatic int vpif_log_status(struct file *filep, void *priv) 15547036d6a73c88428764e4a12f30846279346f4382Mats Randgaard{ 15557036d6a73c88428764e4a12f30846279346f4382Mats Randgaard /* status for sub devices */ 15567036d6a73c88428764e4a12f30846279346f4382Mats Randgaard v4l2_device_call_all(&vpif_obj.v4l2_dev, 0, core, log_status); 15577036d6a73c88428764e4a12f30846279346f4382Mats Randgaard 15587036d6a73c88428764e4a12f30846279346f4382Mats Randgaard return 0; 15597036d6a73c88428764e4a12f30846279346f4382Mats Randgaard} 15607036d6a73c88428764e4a12f30846279346f4382Mats Randgaard 1561e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* vpif display ioctl operations */ 1562e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic const struct v4l2_ioctl_ops vpif_ioctl_ops = { 1563e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_querycap = vpif_querycap, 1564e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_g_priority = vpif_g_priority, 1565e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_s_priority = vpif_s_priority, 1566e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_enum_fmt_vid_out = vpif_enum_fmt_vid_out, 1567e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_g_fmt_vid_out = vpif_g_fmt_vid_out, 1568e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_s_fmt_vid_out = vpif_s_fmt_vid_out, 1569e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_try_fmt_vid_out = vpif_try_fmt_vid_out, 1570e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_reqbufs = vpif_reqbufs, 1571e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_querybuf = vpif_querybuf, 1572e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_qbuf = vpif_qbuf, 1573e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_dqbuf = vpif_dqbuf, 1574e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_streamon = vpif_streamon, 1575e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_streamoff = vpif_streamoff, 1576e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_s_std = vpif_s_std, 1577e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_g_std = vpif_g_std, 1578e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_enum_output = vpif_enum_output, 1579e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_s_output = vpif_s_output, 1580e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_g_output = vpif_g_output, 1581e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .vidioc_cropcap = vpif_cropcap, 158240c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard .vidioc_enum_dv_presets = vpif_enum_dv_presets, 158340c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard .vidioc_s_dv_preset = vpif_s_dv_preset, 158440c8bcea6bc594c50abf3d3867bd49c8c039eb21Mats Randgaard .vidioc_g_dv_preset = vpif_g_dv_preset, 1585c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard .vidioc_s_dv_timings = vpif_s_dv_timings, 1586c027e165d2d901ecab485da5fee72ddce5da0297Mats Randgaard .vidioc_g_dv_timings = vpif_g_dv_timings, 15877036d6a73c88428764e4a12f30846279346f4382Mats Randgaard .vidioc_g_chip_ident = vpif_g_chip_ident, 15887036d6a73c88428764e4a12f30846279346f4382Mats Randgaard#ifdef CONFIG_VIDEO_ADV_DEBUG 15897036d6a73c88428764e4a12f30846279346f4382Mats Randgaard .vidioc_g_register = vpif_dbg_g_register, 15907036d6a73c88428764e4a12f30846279346f4382Mats Randgaard .vidioc_s_register = vpif_dbg_s_register, 15917036d6a73c88428764e4a12f30846279346f4382Mats Randgaard#endif 15927036d6a73c88428764e4a12f30846279346f4382Mats Randgaard .vidioc_log_status = vpif_log_status, 1593e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S}; 1594e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1595e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic const struct v4l2_file_operations vpif_fops = { 1596e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .owner = THIS_MODULE, 1597e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .open = vpif_open, 1598e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .release = vpif_release, 15999bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil .unlocked_ioctl = video_ioctl2, 1600e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .mmap = vpif_mmap, 1601e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .poll = vpif_poll 1602e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S}; 1603e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1604e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic struct video_device vpif_video_template = { 1605e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .name = "vpif", 1606e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .fops = &vpif_fops, 1607e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .ioctl_ops = &vpif_ioctl_ops, 1608e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .tvnorms = DM646X_V4L2_STD, 1609e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .current_norm = V4L2_STD_625_50, 1610e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1611e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S}; 1612e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1613e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/*Configure the channels, buffer sizei, request irq */ 1614e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int initialize_vpif(void) 1615e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1616e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int free_channel_objects_index; 1617e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int free_buffer_channel_index; 1618e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int free_buffer_index; 1619e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int err = 0, i, j; 1620e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1621e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Default number of buffers should be 3 */ 1622e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((ch2_numbuffers > 0) && 1623e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (ch2_numbuffers < config_params.min_numbuffers)) 1624e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch2_numbuffers = config_params.min_numbuffers; 1625e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if ((ch3_numbuffers > 0) && 1626e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (ch3_numbuffers < config_params.min_numbuffers)) 1627e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch3_numbuffers = config_params.min_numbuffers; 1628e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1629e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Set buffer size to min buffers size if invalid buffer size is 1630e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * given */ 1631e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ch2_bufsize < config_params.min_bufsize[VPIF_CHANNEL2_VIDEO]) 1632e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch2_bufsize = 1633e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S config_params.min_bufsize[VPIF_CHANNEL2_VIDEO]; 1634e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ch3_bufsize < config_params.min_bufsize[VPIF_CHANNEL3_VIDEO]) 1635e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch3_bufsize = 1636e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S config_params.min_bufsize[VPIF_CHANNEL3_VIDEO]; 1637e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1638e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S config_params.numbuffers[VPIF_CHANNEL2_VIDEO] = ch2_numbuffers; 1639e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1640e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ch2_numbuffers) { 1641e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S config_params.channel_bufsize[VPIF_CHANNEL2_VIDEO] = 1642e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch2_bufsize; 1643e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1644e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S config_params.numbuffers[VPIF_CHANNEL3_VIDEO] = ch3_numbuffers; 1645e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1646e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (ch3_numbuffers) { 1647e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S config_params.channel_bufsize[VPIF_CHANNEL3_VIDEO] = 1648e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch3_bufsize; 1649e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1650e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1651e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Allocate memory for six channel objects */ 1652e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { 1653e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_obj.dev[i] = 16541f8766b4e3f06c2206e7ff48da72d2886672759aMats Randgaard kzalloc(sizeof(struct channel_obj), GFP_KERNEL); 1655e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* If memory allocation fails, return error */ 1656e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!vpif_obj.dev[i]) { 1657e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S free_channel_objects_index = i; 1658e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S err = -ENOMEM; 1659e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto vpif_init_free_channel_objects; 1660e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1661e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1662e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1663e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S free_channel_objects_index = VPIF_DISPLAY_MAX_DEVICES; 1664e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S free_buffer_channel_index = VPIF_DISPLAY_NUM_CHANNELS; 1665e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S free_buffer_index = config_params.numbuffers[i - 1]; 1666e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1667e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 1668e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1669e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Svpif_init_free_channel_objects: 1670e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (j = 0; j < free_channel_objects_index; j++) 1671e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S kfree(vpif_obj.dev[j]); 1672e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return err; 1673e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1674e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1675e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 1676e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_probe: This function creates device entries by register itself to the 1677e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * V4L2 driver and initializes fields of each channel objects 1678e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 1679e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic __init int vpif_probe(struct platform_device *pdev) 1680e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1681317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri struct vpif_subdev_info *subdevdata; 1682317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri struct vpif_display_config *config; 1683e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int i, j = 0, k, q, m, err = 0; 1684e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct i2c_adapter *i2c_adap; 1685e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct common_obj *common; 1686e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch; 1687e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct video_device *vfd; 1688e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct resource *res; 1689e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int subdev_count; 1690e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1691e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_dev = &pdev->dev; 1692e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1693317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri err = initialize_vpif(); 1694e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1695317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri if (err) { 1696317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri v4l2_err(vpif_dev->driver, "Error initializing vpif\n"); 1697317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri return err; 1698e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1699e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1700e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S err = v4l2_device_register(vpif_dev, &vpif_obj.v4l2_dev); 1701e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (err) { 1702e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S v4l2_err(vpif_dev->driver, "Error registering v4l2 device\n"); 1703e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return err; 1704e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1705e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1706e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S k = 0; 1707e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, k))) { 1708e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (i = res->start; i <= res->end; i++) { 1709e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (request_irq(i, vpif_channel_isr, IRQF_DISABLED, 1710e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S "DM646x_Display", 1711e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (void *)(&vpif_obj.dev[k]->channel_id))) { 1712e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S err = -EBUSY; 1713e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto vpif_int_err; 1714e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1715e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1716e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S k++; 1717e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1718e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1719e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { 1720e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1721e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Get the pointer to the channel object */ 1722e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch = vpif_obj.dev[i]; 1723e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1724e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Allocate memory for video device */ 1725e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vfd = video_device_alloc(); 1726e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (vfd == NULL) { 1727e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (j = 0; j < i; j++) { 1728e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch = vpif_obj.dev[j]; 1729e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S video_device_release(ch->video_dev); 1730e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1731e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S err = -ENOMEM; 1732317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri goto vpif_int_err; 1733e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1734e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1735e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Initialize field of video device */ 1736e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S *vfd = vpif_video_template; 1737e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vfd->v4l2_dev = &vpif_obj.v4l2_dev; 1738e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vfd->release = video_device_release; 1739e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S snprintf(vfd->name, sizeof(vfd->name), 174064dc3c1a906467d90c24913b0b38dd13d9378f4fMauro Carvalho Chehab "DM646x_VPIFDisplay_DRIVER_V%s", 174164dc3c1a906467d90c24913b0b38dd13d9378f4fMauro Carvalho Chehab VPIF_DISPLAY_VERSION); 1742e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1743e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Set video_dev to the video device */ 1744e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->video_dev = vfd; 1745e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1746e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1747e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (j = 0; j < VPIF_DISPLAY_MAX_DEVICES; j++) { 1748e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch = vpif_obj.dev[j]; 1749e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Initialize field of the channel objects */ 1750e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S atomic_set(&ch->usrs, 0); 1751e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (k = 0; k < VPIF_NUMOBJECTS; k++) { 1752e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->common[k].numbuffers = 0; 1753e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common = &ch->common[k]; 1754e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->io_usrs = 0; 1755e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->started = 0; 1756e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S spin_lock_init(&common->irqlock); 1757e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S mutex_init(&common->lock); 1758e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->numbuffers = 0; 1759e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->set_addr = NULL; 1760e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->ytop_off = common->ybtm_off = 0; 1761e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->ctop_off = common->cbtm_off = 0; 1762e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->cur_frm = common->next_frm = NULL; 1763e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S memset(&common->fmt, 0, sizeof(common->fmt)); 1764e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S common->numbuffers = config_params.numbuffers[k]; 1765e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1766e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1767e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->initialized = 0; 1768e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->channel_id = j; 1769e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (j < 2) 1770e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->common[VPIF_VIDEO_INDEX].numbuffers = 1771e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S config_params.numbuffers[ch->channel_id]; 1772e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S else 1773e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->common[VPIF_VIDEO_INDEX].numbuffers = 0; 1774e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1775e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S memset(&ch->vpifparams, 0, sizeof(ch->vpifparams)); 1776e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1777e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Initialize prio member of channel object */ 1778e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S v4l2_prio_init(&ch->prio); 1779e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->common[VPIF_VIDEO_INDEX].fmt.type = 1780e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S V4L2_BUF_TYPE_VIDEO_OUTPUT; 17819bfaae24f991ff5255de17cd05838d1cd131727cHans Verkuil ch->video_dev->lock = &common->lock; 1782e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1783e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* register video device */ 1784e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_dbg(1, debug, "channel=%x,channel->video_dev=%x\n", 1785e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (int)ch, (int)&ch->video_dev); 1786e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1787e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S err = video_register_device(ch->video_dev, 1788e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S VFL_TYPE_GRABBER, (j ? 3 : 2)); 1789e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (err < 0) 1790e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto probe_out; 1791e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1792e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S video_set_drvdata(ch->video_dev, ch); 1793e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1794e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1795e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S i2c_adap = i2c_get_adapter(1); 1796e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S config = pdev->dev.platform_data; 1797e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S subdev_count = config->subdev_count; 1798e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S subdevdata = config->subdevinfo; 17991f8766b4e3f06c2206e7ff48da72d2886672759aMats Randgaard vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count, 1800e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S GFP_KERNEL); 1801e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (vpif_obj.sd == NULL) { 1802e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("unable to allocate memory for subdevice pointers\n"); 1803e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S err = -ENOMEM; 1804e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto probe_out; 1805e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1806e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1807e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (i = 0; i < subdev_count; i++) { 1808317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri vpif_obj.sd[i] = v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev, 18099a1f8b34aa539000da17a06235e4bec254d0bfb5Laurent Pinchart i2c_adap, 1810317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri &subdevdata[i].board_info, 1811317b2e2f4b5d2b69d9bd49e4fed386d176344e76Muralidharan Karicheri NULL); 1812e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (!vpif_obj.sd[i]) { 1813e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("Error registering v4l2 subdevice\n"); 1814e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S goto probe_subdev_out; 1815e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1816e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1817e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S if (vpif_obj.sd[i]) 1818e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_obj.sd[i]->grp_id = 1 << i; 1819e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1820e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 18212c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard v4l2_info(&vpif_obj.v4l2_dev, 18222c0ddd17741383009c53cf557d6526848c8bb917Mats Randgaard "DM646x VPIF display driver initialized\n"); 1823e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 1824e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1825e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sprobe_subdev_out: 1826e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S kfree(vpif_obj.sd); 1827e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sprobe_out: 1828e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (k = 0; k < j; k++) { 1829e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch = vpif_obj.dev[k]; 1830e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S video_unregister_device(ch->video_dev); 1831e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S video_device_release(ch->video_dev); 1832e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->video_dev = NULL; 1833e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1834e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Svpif_int_err: 1835e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S v4l2_device_unregister(&vpif_obj.v4l2_dev); 1836e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S vpif_err("VPIF IRQ request failed\n"); 1837e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (q = k; k >= 0; k--) { 1838e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (m = i; m >= res->start; m--) 1839e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S free_irq(m, (void *)(&vpif_obj.dev[k]->channel_id)); 1840e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S res = platform_get_resource(pdev, IORESOURCE_IRQ, k-1); 1841e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S m = res->end; 1842e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1843e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1844e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return err; 1845e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1846e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1847e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 1848e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_remove: It un-register channels from V4L2 driver 1849e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 1850e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic int vpif_remove(struct platform_device *device) 1851e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1852e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct channel_obj *ch; 1853e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int i; 1854e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1855e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S v4l2_device_unregister(&vpif_obj.v4l2_dev); 1856e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1857e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* un-register device */ 1858e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { 1859e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Get the pointer to the channel object */ 1860e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch = vpif_obj.dev[i]; 1861e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S /* Unregister video device */ 1862e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S video_unregister_device(ch->video_dev); 1863e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1864e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S ch->video_dev = NULL; 1865e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1866e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1867e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return 0; 1868e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1869e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1870ffa1b391c61b9f9a2b5d14859bfdd9259fc6c4daMats Randgaardstatic __refdata struct platform_driver vpif_driver = { 1871e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .driver = { 1872e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .name = "vpif_display", 1873e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .owner = THIS_MODULE, 1874e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S }, 1875e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .probe = vpif_probe, 1876e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S .remove = vpif_remove, 1877e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S}; 1878e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1879e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic __init int vpif_init(void) 1880e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1881e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S return platform_driver_register(&vpif_driver); 1882e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1883e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1884e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S/* 1885e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * vpif_cleanup: This function un-registers device and driver to the kernel, 1886e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * frees requested irq handler and de-allocates memory allocated for channel 1887e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S * objects. 1888e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S */ 1889e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Sstatic void vpif_cleanup(void) 1890e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S{ 1891e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct platform_device *pdev; 1892e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S struct resource *res; 1893e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int irq_num; 1894e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S int i = 0; 1895e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1896e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S pdev = container_of(vpif_dev, struct platform_device, dev); 1897e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1898e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, i))) { 1899e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (irq_num = res->start; irq_num <= res->end; irq_num++) 1900e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S free_irq(irq_num, 1901e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S (void *)(&vpif_obj.dev[i]->channel_id)); 1902e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S i++; 1903e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S } 1904e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1905e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S platform_driver_unregister(&vpif_driver); 1906e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S kfree(vpif_obj.sd); 1907e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) 1908e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S kfree(vpif_obj.dev[i]); 1909e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S} 1910e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U S 1911e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Smodule_init(vpif_init); 1912e7332e3a552f6e18b39f5b77ce964818d10c9743Chaithrika U Smodule_exit(vpif_cleanup); 1913