hdpvr-video.c revision 5854bf88599545572ce89fba6c4fa0bf6b6e226c
19aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* 2e86da6f07ed6deebc199368bd0a47b3671829b80Janne Grunau * Hauppauge HD PVR USB driver - video 4 linux 2 interface 39aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * 49aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * Copyright (C) 2008 Janne Grunau (j@jannau.net) 59aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * 69aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * This program is free software; you can redistribute it and/or 79aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * modify it under the terms of the GNU General Public License as 89aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * published by the Free Software Foundation, version 2. 99aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * 109aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau */ 119aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 129aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <linux/kernel.h> 1354d80904b4c1f7aa1d569d07ca3e62fba0daf3a2Mauro Carvalho Chehab#include <linux/kconfig.h> 149aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <linux/errno.h> 159aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <linux/init.h> 169aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <linux/slab.h> 179aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <linux/module.h> 189aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <linux/uaccess.h> 199aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <linux/usb.h> 209aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <linux/mutex.h> 219aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <linux/workqueue.h> 229aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 239aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <linux/videodev2.h> 243315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil#include <linux/v4l2-dv-timings.h> 259aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <media/v4l2-dev.h> 269aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <media/v4l2-common.h> 279aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <media/v4l2-ioctl.h> 2865fe42d6054bb84c4abc4168310bd5d7c462456eHans Verkuil#include <media/v4l2-event.h> 299aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include "hdpvr.h" 309aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3139bcb3ae030b0b64262adf6c5243bf767d8b75dcAlan Young#define BULK_URB_TIMEOUT 90 /* 0.09 seconds */ 329aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 339ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau#define print_buffer_status() { \ 349ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, \ 359ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau "%s:%d buffer stat: %d free, %d proc\n", \ 369ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau __func__, __LINE__, \ 379ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau list_size(&dev->free_buff_list), \ 389ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau list_size(&dev->rec_buff_list)); } 39d211bfcbd0f13f1234aaa6e565013dba051a408cJanne Grunau 403315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuilstatic const struct v4l2_dv_timings hdpvr_dv_timings[] = { 413315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil V4L2_DV_BT_CEA_720X480I59_94, 423315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil V4L2_DV_BT_CEA_720X576I50, 433315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil V4L2_DV_BT_CEA_720X480P59_94, 443315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil V4L2_DV_BT_CEA_720X576P50, 453315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil V4L2_DV_BT_CEA_1280X720P50, 463315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil V4L2_DV_BT_CEA_1280X720P60, 473315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil V4L2_DV_BT_CEA_1920X1080I50, 483315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil V4L2_DV_BT_CEA_1920X1080I60, 493315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil}; 503315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 513315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil/* Use 480i59 as the default timings */ 523315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil#define HDPVR_DEF_DV_TIMINGS_IDX (0) 533315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 543315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuilstruct hdpvr_fh { 553315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct v4l2_fh fh; 563315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil bool legacy_mode; 573315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil}; 583315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 599aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic uint list_size(struct list_head *list) 609aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 619aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct list_head *tmp; 629aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau uint count = 0; 639aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 649aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau list_for_each(tmp, list) { 659aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau count++; 669aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 679aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 689aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return count; 699aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 709aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 719aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/*=========================================================================*/ 729aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* urb callback */ 739aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic void hdpvr_read_bulk_callback(struct urb *urb) 749aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 759aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_buffer *buf = (struct hdpvr_buffer *)urb->context; 769aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_device *dev = buf->dev; 779aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 789aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau /* marking buffer as received and wake waiting */ 799aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf->status = BUFSTAT_READY; 809aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau wake_up_interruptible(&dev->wait_data); 819aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 829aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 839aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/*=========================================================================*/ 849aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* bufffer bits */ 859aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 869aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* function expects dev->io_mutex to be hold by caller */ 879aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunauint hdpvr_cancel_queue(struct hdpvr_device *dev) 889aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 899aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_buffer *buf; 909aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 919aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau list_for_each_entry(buf, &dev->rec_buff_list, buff_list) { 929aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau usb_kill_urb(buf->urb); 939aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf->status = BUFSTAT_AVAILABLE; 949aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 959aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 969aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau list_splice_init(&dev->rec_buff_list, dev->free_buff_list.prev); 979aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 989aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 999aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 1009aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1019aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic int hdpvr_free_queue(struct list_head *q) 1029aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 1039aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct list_head *tmp; 1049aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct list_head *p; 1059aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_buffer *buf; 1069aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct urb *urb; 1079aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1089aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau for (p = q->next; p != q;) { 1099aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf = list_entry(p, struct hdpvr_buffer, buff_list); 1109aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1119aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau urb = buf->urb; 112997ea58eb92f9970b8af7aae48800d0ef43b9423Daniel Mack usb_free_coherent(urb->dev, urb->transfer_buffer_length, 113997ea58eb92f9970b8af7aae48800d0ef43b9423Daniel Mack urb->transfer_buffer, urb->transfer_dma); 1149aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau usb_free_urb(urb); 1159aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau tmp = p->next; 1169aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau list_del(p); 1179aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau kfree(buf); 1189aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau p = tmp; 1199aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 1209aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1219aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 1229aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 1239aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1249aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* function expects dev->io_mutex to be hold by caller */ 1259aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunauint hdpvr_free_buffers(struct hdpvr_device *dev) 1269aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 1279aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_cancel_queue(dev); 1289aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1299aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_free_queue(&dev->free_buff_list); 1309aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_free_queue(&dev->rec_buff_list); 1319aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1329aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 1339aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 1349aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1359aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* function expects dev->io_mutex to be hold by caller */ 1369aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunauint hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count) 1379aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 1389aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau uint i; 1399aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau int retval = -ENOMEM; 1409aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau u8 *mem; 1419aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_buffer *buf; 1429aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct urb *urb; 1439aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1449ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, 1459aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau "allocating %u buffers\n", count); 1469aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1479aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau for (i = 0; i < count; i++) { 1489aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1499aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf = kzalloc(sizeof(struct hdpvr_buffer), GFP_KERNEL); 1509aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (!buf) { 1519ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_err(&dev->v4l2_dev, "cannot allocate buffer\n"); 1529aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau goto exit; 1539aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 1549aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf->dev = dev; 1559aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1569aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau urb = usb_alloc_urb(0, GFP_KERNEL); 1579aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (!urb) { 1589ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_err(&dev->v4l2_dev, "cannot allocate urb\n"); 159cd0e280f1bbecebcd20ed0ddd4dd8fb03a506b3cJulia Lawall goto exit_urb; 1609aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 1619aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf->urb = urb; 1629aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 163997ea58eb92f9970b8af7aae48800d0ef43b9423Daniel Mack mem = usb_alloc_coherent(dev->udev, dev->bulk_in_size, GFP_KERNEL, 164997ea58eb92f9970b8af7aae48800d0ef43b9423Daniel Mack &urb->transfer_dma); 1659aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (!mem) { 1669ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_err(&dev->v4l2_dev, 1679ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau "cannot allocate usb transfer buffer\n"); 168cd0e280f1bbecebcd20ed0ddd4dd8fb03a506b3cJulia Lawall goto exit_urb_buffer; 1699aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 1709aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1719aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau usb_fill_bulk_urb(buf->urb, dev->udev, 1729aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau usb_rcvbulkpipe(dev->udev, 1739aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau dev->bulk_in_endpointAddr), 1749aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mem, dev->bulk_in_size, 1759aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_read_bulk_callback, buf); 1769aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1774f5c933abb34532dc962185c999509b97a97fa1bJames M McLaren buf->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 1789aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf->status = BUFSTAT_AVAILABLE; 1799aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau list_add_tail(&buf->buff_list, &dev->free_buff_list); 1809aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 1819aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 182cd0e280f1bbecebcd20ed0ddd4dd8fb03a506b3cJulia Lawallexit_urb_buffer: 183cd0e280f1bbecebcd20ed0ddd4dd8fb03a506b3cJulia Lawall usb_free_urb(urb); 184cd0e280f1bbecebcd20ed0ddd4dd8fb03a506b3cJulia Lawallexit_urb: 185cd0e280f1bbecebcd20ed0ddd4dd8fb03a506b3cJulia Lawall kfree(buf); 1869aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunauexit: 1879aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_free_buffers(dev); 1889aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return retval; 1899aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 1909aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1919aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic int hdpvr_submit_buffers(struct hdpvr_device *dev) 1929aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 1939aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_buffer *buf; 1949aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct urb *urb; 1959aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau int ret = 0, err_count = 0; 1969aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1979aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_lock(&dev->io_mutex); 1989aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1999aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau while (dev->status == STATUS_STREAMING && 2009aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau !list_empty(&dev->free_buff_list)) { 2019aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2029aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf = list_entry(dev->free_buff_list.next, struct hdpvr_buffer, 2039aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buff_list); 2049aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (buf->status != BUFSTAT_AVAILABLE) { 2059ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_err(&dev->v4l2_dev, 2064b512d26f425be1c779c8319249b42ce3c3424d2Thadeu Lima de Souza Cascardo "buffer not marked as available\n"); 2079aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret = -EFAULT; 2089aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau goto err; 2099aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 2109aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2119aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau urb = buf->urb; 2129aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau urb->status = 0; 2139aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau urb->actual_length = 0; 2149aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret = usb_submit_urb(urb, GFP_KERNEL); 2159aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (ret) { 2169ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_err(&dev->v4l2_dev, 2179ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau "usb_submit_urb in %s returned %d\n", 2189ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau __func__, ret); 2199aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (++err_count > 2) 2209aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau break; 2219aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau continue; 2229aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 2239aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf->status = BUFSTAT_INPROGRESS; 2249aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau list_move_tail(&buf->buff_list, &dev->rec_buff_list); 2259aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 2269aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunauerr: 227d211bfcbd0f13f1234aaa6e565013dba051a408cJanne Grunau print_buffer_status(); 2289aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_unlock(&dev->io_mutex); 2299aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return ret; 2309aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 2319aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2329aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic struct hdpvr_buffer *hdpvr_get_next_buffer(struct hdpvr_device *dev) 2339aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 2349aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_buffer *buf; 2359aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2369aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_lock(&dev->io_mutex); 2379aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2389aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (list_empty(&dev->rec_buff_list)) { 2399aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_unlock(&dev->io_mutex); 2409aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return NULL; 2419aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 2429aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2439aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf = list_entry(dev->rec_buff_list.next, struct hdpvr_buffer, 2449aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buff_list); 2459aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_unlock(&dev->io_mutex); 2469aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2479aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return buf; 2489aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 2499aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2509aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic void hdpvr_transmit_buffers(struct work_struct *work) 2519aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 2529aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_device *dev = container_of(work, struct hdpvr_device, 2539aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau worker); 2549aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2559aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau while (dev->status == STATUS_STREAMING) { 2569aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2579aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (hdpvr_submit_buffers(dev)) { 2589ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_err(&dev->v4l2_dev, "couldn't submit buffers\n"); 2599aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau goto error; 2609aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 2619aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (wait_event_interruptible(dev->wait_buffer, 2629aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau !list_empty(&dev->free_buff_list) || 2639aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau dev->status != STATUS_STREAMING)) 2649aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau goto error; 2659aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 2669aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2679ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, 2689aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau "transmit worker exited\n"); 2699aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return; 2709aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunauerror: 2719ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, 2729aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau "transmit buffers errored\n"); 2739aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau dev->status = STATUS_ERROR; 2749aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 2759aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2769aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* function expects dev->io_mutex to be hold by caller */ 2779aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic int hdpvr_start_streaming(struct hdpvr_device *dev) 2789aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 2799aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau int ret; 2809aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_video_info *vidinf; 2819aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2829aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (dev->status == STATUS_STREAMING) 2839aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 2849aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau else if (dev->status != STATUS_IDLE) 2859aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return -EAGAIN; 2869aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2879aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau vidinf = get_video_info(dev); 2889aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2899aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (vidinf) { 2909ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, 2919aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau "video signal: %dx%d@%dhz\n", vidinf->width, 2929aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau vidinf->height, vidinf->fps); 2939aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau kfree(vidinf); 2949aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2959aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau /* start streaming 2 request */ 2969aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret = usb_control_msg(dev->udev, 2979aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau usb_sndctrlpipe(dev->udev, 0), 2989aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 0xb8, 0x38, 0x1, 0, NULL, 0, 8000); 2999ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, 3009aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau "encoder start control request returned %d\n", ret); 3019aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3029aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00); 3039aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 304afa159538af61f1a65d48927f4e949fe514fb4fcJanne Grunau dev->status = STATUS_STREAMING; 305afa159538af61f1a65d48927f4e949fe514fb4fcJanne Grunau 3069aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau INIT_WORK(&dev->worker, hdpvr_transmit_buffers); 3079aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau queue_work(dev->workqueue, &dev->worker); 3089aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3099ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, 3109aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau "streaming started\n"); 3119aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3129aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 3139aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 3149aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau msleep(250); 3159ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, 3169aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau "no video signal at input %d\n", dev->options.video_input); 3179aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return -EAGAIN; 3189aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 3199aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3209aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3219aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* function expects dev->io_mutex to be hold by caller */ 3229aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic int hdpvr_stop_streaming(struct hdpvr_device *dev) 3239aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 32485d682b9ee1a89a82c2a75182558e392749d81fcMárton Németh int actual_length; 32585d682b9ee1a89a82c2a75182558e392749d81fcMárton Németh uint c = 0; 3267d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau u8 *buf; 3277d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau 3289aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (dev->status == STATUS_IDLE) 3299aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 3309aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau else if (dev->status != STATUS_STREAMING) 3319aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return -EAGAIN; 3329aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3337d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau buf = kmalloc(dev->bulk_in_size, GFP_KERNEL); 3347d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau if (!buf) 3357d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau v4l2_err(&dev->v4l2_dev, "failed to allocate temporary buffer " 3367d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau "for emptying the internal device buffer. " 3377d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau "Next capture start will be slow\n"); 3387d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau 3399aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau dev->status = STATUS_SHUTTING_DOWN; 3409aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00); 34148f98f7557d35d360470bf6d9fd7b00d04fba828Janne Grunau mutex_unlock(&dev->io_mutex); 3429aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3439aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau wake_up_interruptible(&dev->wait_buffer); 3449aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau msleep(50); 3459aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3469aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau flush_workqueue(dev->workqueue); 3479aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 34848f98f7557d35d360470bf6d9fd7b00d04fba828Janne Grunau mutex_lock(&dev->io_mutex); 3499aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau /* kill the still outstanding urbs */ 3509aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_cancel_queue(dev); 3519aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3527d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau /* emptying the device buffer beforeshutting it down */ 3537d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau while (buf && ++c < 500 && 3547d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau !usb_bulk_msg(dev->udev, 3557d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau usb_rcvbulkpipe(dev->udev, 3567d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau dev->bulk_in_endpointAddr), 3577d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau buf, dev->bulk_in_size, &actual_length, 3587d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau BULK_URB_TIMEOUT)) { 3597d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, 3607d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau "%2d: got %d bytes\n", c, actual_length); 3617d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau } 3627d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau kfree(buf); 3637d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, 3647d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau "used %d urbs to empty device buffers\n", c-1); 3657d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau msleep(10); 3667d771ff0dc3371923db929d9f88932acec3fc8e8Janne Grunau 3679aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau dev->status = STATUS_IDLE; 3689aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3699aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 3709aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 3719aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3729aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3739aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/*=======================================================================*/ 3749aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* 3759aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * video 4 linux 2 file operations 3769aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau */ 3779aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3783315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuilstatic int hdpvr_open(struct file *file) 3793315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil{ 3803315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_fh *fh = kzalloc(sizeof(*fh), GFP_KERNEL); 3813315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 3823315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (fh == NULL) 3833315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return -ENOMEM; 3843315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil fh->legacy_mode = true; 3853315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil v4l2_fh_init(&fh->fh, video_devdata(file)); 3863315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil v4l2_fh_add(&fh->fh); 3873315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil file->private_data = fh; 3883315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return 0; 3893315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil} 3903315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 3919aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic int hdpvr_release(struct file *file) 3929aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 393ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 3949aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 3959aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_lock(&dev->io_mutex); 396ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil if (file->private_data == dev->owner) { 3979aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_stop_streaming(dev); 398ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil dev->owner = NULL; 399ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil } 4009aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_unlock(&dev->io_mutex); 4019aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 402ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil return v4l2_fh_release(file); 4039aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 4049aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4059aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* 4069aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * hdpvr_v4l2_read() 4079aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * will allocate buffers when called for the first time 4089aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau */ 4099aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count, 4109aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau loff_t *pos) 4119aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 412ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 4139aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_buffer *buf = NULL; 4149aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct urb *urb; 4159aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau unsigned int ret = 0; 4169aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau int rem, cnt; 4179aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4189aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (*pos) 4199aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return -ESPIPE; 4209aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4219aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_lock(&dev->io_mutex); 4229aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (dev->status == STATUS_IDLE) { 4239aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (hdpvr_start_streaming(dev)) { 4249ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, 4259ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau "start_streaming failed\n"); 4269aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret = -EIO; 4279aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau msleep(200); 4289aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau dev->status = STATUS_IDLE; 4299aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_unlock(&dev->io_mutex); 4309aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau goto err; 4319aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 432ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil dev->owner = file->private_data; 433d211bfcbd0f13f1234aaa6e565013dba051a408cJanne Grunau print_buffer_status(); 4349aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 4359aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_unlock(&dev->io_mutex); 4369aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4379aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau /* wait for the first buffer */ 4389aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (!(file->f_flags & O_NONBLOCK)) { 4399aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (wait_event_interruptible(dev->wait_data, 4409aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_get_next_buffer(dev))) 4419aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return -ERESTARTSYS; 4429aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 4439aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4449aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf = hdpvr_get_next_buffer(dev); 4459aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4469aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau while (count > 0 && buf) { 4479aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4489aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (buf->status != BUFSTAT_READY && 4499aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau dev->status != STATUS_DISCONNECTED) { 4509aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau /* return nonblocking */ 4519aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (file->f_flags & O_NONBLOCK) { 4529aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (!ret) 4539aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret = -EAGAIN; 4549aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau goto err; 4559aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 4569aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4579aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (wait_event_interruptible(dev->wait_data, 4589aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf->status == BUFSTAT_READY)) { 4599aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret = -ERESTARTSYS; 4609aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau goto err; 4619aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 4629aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 4639aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4649aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (buf->status != BUFSTAT_READY) 4659aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau break; 4669aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4679aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau /* set remaining bytes to copy */ 4689aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau urb = buf->urb; 4699aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau rem = urb->actual_length - buf->pos; 4709aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau cnt = rem > count ? count : rem; 4719aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4729aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (copy_to_user(buffer, urb->transfer_buffer + buf->pos, 4739aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau cnt)) { 4749ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_err(&dev->v4l2_dev, "read: copy_to_user failed\n"); 4759aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (!ret) 4769aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret = -EFAULT; 4779aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau goto err; 4789aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 4799aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4809aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf->pos += cnt; 4819aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau count -= cnt; 4829aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buffer += cnt; 4839aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret += cnt; 4849aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4859aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau /* finished, take next buffer */ 4869aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (buf->pos == urb->actual_length) { 4879aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_lock(&dev->io_mutex); 4889aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf->pos = 0; 4899aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf->status = BUFSTAT_AVAILABLE; 4909aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4919aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau list_move_tail(&buf->buff_list, &dev->free_buff_list); 4929aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 493d211bfcbd0f13f1234aaa6e565013dba051a408cJanne Grunau print_buffer_status(); 4949aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4959aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_unlock(&dev->io_mutex); 4969aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4979aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau wake_up_interruptible(&dev->wait_buffer); 4989aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 4999aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau buf = hdpvr_get_next_buffer(dev); 5009aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 5019aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 5029aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunauerr: 5039aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (!ret && !buf) 5049aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret = -EAGAIN; 5059aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return ret; 5069aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 5079aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 5089aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic unsigned int hdpvr_poll(struct file *filp, poll_table *wait) 5099aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 51065fe42d6054bb84c4abc4168310bd5d7c462456eHans Verkuil unsigned long req_events = poll_requested_events(wait); 511d2ff3ec81628cbf9470c496b3d0c0780165643f5Janne Grunau struct hdpvr_buffer *buf = NULL; 512ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil struct hdpvr_device *dev = video_drvdata(filp); 51365fe42d6054bb84c4abc4168310bd5d7c462456eHans Verkuil unsigned int mask = v4l2_ctrl_poll(filp, wait); 5149aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 51565fe42d6054bb84c4abc4168310bd5d7c462456eHans Verkuil if (!(req_events & (POLLIN | POLLRDNORM))) 51665fe42d6054bb84c4abc4168310bd5d7c462456eHans Verkuil return mask; 5179aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 51865fe42d6054bb84c4abc4168310bd5d7c462456eHans Verkuil mutex_lock(&dev->io_mutex); 5199aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 5209aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (dev->status == STATUS_IDLE) { 5219aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (hdpvr_start_streaming(dev)) { 5229ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, 5239ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau "start_streaming failed\n"); 5249aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau dev->status = STATUS_IDLE; 525ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil } else { 526ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil dev->owner = filp->private_data; 5279aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 5289aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 529d211bfcbd0f13f1234aaa6e565013dba051a408cJanne Grunau print_buffer_status(); 5309aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 5319aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_unlock(&dev->io_mutex); 5329aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 533d2ff3ec81628cbf9470c496b3d0c0780165643f5Janne Grunau buf = hdpvr_get_next_buffer(dev); 534d2ff3ec81628cbf9470c496b3d0c0780165643f5Janne Grunau /* only wait if no data is available */ 535d2ff3ec81628cbf9470c496b3d0c0780165643f5Janne Grunau if (!buf || buf->status != BUFSTAT_READY) { 536d2ff3ec81628cbf9470c496b3d0c0780165643f5Janne Grunau poll_wait(filp, &dev->wait_data, wait); 537d2ff3ec81628cbf9470c496b3d0c0780165643f5Janne Grunau buf = hdpvr_get_next_buffer(dev); 5389aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 539d2ff3ec81628cbf9470c496b3d0c0780165643f5Janne Grunau if (buf && buf->status == BUFSTAT_READY) 540d2ff3ec81628cbf9470c496b3d0c0780165643f5Janne Grunau mask |= POLLIN | POLLRDNORM; 5419aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 5429aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return mask; 5439aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 5449aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 5459aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 5469aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic const struct v4l2_file_operations hdpvr_fops = { 5479aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .owner = THIS_MODULE, 5483315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil .open = hdpvr_open, 5499aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .release = hdpvr_release, 5509aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .read = hdpvr_read, 5519aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .poll = hdpvr_poll, 55276717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau .unlocked_ioctl = video_ioctl2, 5539aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau}; 5549aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 5559aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/*=======================================================================*/ 5569aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* 5579aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * V4L2 ioctl handling 5589aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau */ 5599aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 5609aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic int vidioc_querycap(struct file *file, void *priv, 5619aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct v4l2_capability *cap) 5629aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 5639aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_device *dev = video_drvdata(file); 5649aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 5659aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau strcpy(cap->driver, "hdpvr"); 566fdd70c3399fc448a87487b287f4f0dcfb2e9c52cLars Hanisch strcpy(cap->card, "Hauppauge HD PVR"); 5679aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); 56841022fcb3db75c9777bbd05da114c7eb597694dfHans Verkuil cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO | 56941022fcb3db75c9777bbd05da114c7eb597694dfHans Verkuil V4L2_CAP_READWRITE; 57041022fcb3db75c9777bbd05da114c7eb597694dfHans Verkuil cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; 5719aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 5729aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 5739aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 5745854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuilstatic int vidioc_s_std(struct file *file, void *_fh, 575314527acbbb3f33f72c2ef19d8cfabcada9912a5Hans Verkuil v4l2_std_id std) 5769aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 577ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 5785854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil struct hdpvr_fh *fh = _fh; 5799aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau u8 std_type = 1; 5809aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 5815854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil if (!fh->legacy_mode && dev->options.video_input == HDPVR_COMPONENT) 5828f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil return -ENODATA; 5838f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil if (dev->status != STATUS_IDLE) 5848f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil return -EBUSY; 5858f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil if (std & V4L2_STD_525_60) 5869aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau std_type = 0; 5878f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil dev->cur_std = std; 5888f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil dev->width = 720; 5898f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil dev->height = std_type ? 576 : 480; 5909aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 5919aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, std_type); 5929aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 5939aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 5945854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuilstatic int vidioc_g_std(struct file *file, void *_fh, 5958f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil v4l2_std_id *std) 5968f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil{ 5978f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 5985854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil struct hdpvr_fh *fh = _fh; 5998f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil 6005854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil if (!fh->legacy_mode && dev->options.video_input == HDPVR_COMPONENT) 6018f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil return -ENODATA; 6028f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil *std = dev->cur_std; 6038f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil return 0; 6048f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil} 6058f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil 6065854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuilstatic int vidioc_querystd(struct file *file, void *_fh, v4l2_std_id *a) 6078f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil{ 6088f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 6098f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil struct hdpvr_video_info *vid_info; 6105854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil struct hdpvr_fh *fh = _fh; 6118f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil 6128f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil *a = V4L2_STD_ALL; 6135854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil if (dev->options.video_input == HDPVR_COMPONENT) 6145854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil return fh->legacy_mode ? 0 : -ENODATA; 6158f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil vid_info = get_video_info(dev); 6168f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil if (vid_info == NULL) 6178f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil return 0; 6188f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil if (vid_info->width == 720 && 6198f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil (vid_info->height == 480 || vid_info->height == 576)) { 6208f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil *a = (vid_info->height == 480) ? 6218f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil V4L2_STD_525_60 : V4L2_STD_625_50; 6228f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil } 6238f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil kfree(vid_info); 6248f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil return 0; 6258f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil} 6268f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil 6273315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuilstatic int vidioc_s_dv_timings(struct file *file, void *_fh, 6283315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct v4l2_dv_timings *timings) 6293315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil{ 6303315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 6313315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_fh *fh = _fh; 6323315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil int i; 6333315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 6343315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil fh->legacy_mode = false; 6353315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (dev->options.video_input) 6363315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return -ENODATA; 6373315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (dev->status != STATUS_IDLE) 6383315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return -EBUSY; 6393315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) 6403315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (v4l_match_dv_timings(timings, hdpvr_dv_timings + i, 0)) 6413315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil break; 6423315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (i == ARRAY_SIZE(hdpvr_dv_timings)) 6433315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return -EINVAL; 6443315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil dev->cur_dv_timings = hdpvr_dv_timings[i]; 6453315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil dev->width = hdpvr_dv_timings[i].bt.width; 6463315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil dev->height = hdpvr_dv_timings[i].bt.height; 6473315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return 0; 6483315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil} 6493315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 6503315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuilstatic int vidioc_g_dv_timings(struct file *file, void *_fh, 6513315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct v4l2_dv_timings *timings) 6523315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil{ 6533315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 6543315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_fh *fh = _fh; 6553315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 6563315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil fh->legacy_mode = false; 6573315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (dev->options.video_input) 6583315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return -ENODATA; 6593315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil *timings = dev->cur_dv_timings; 6603315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return 0; 6613315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil} 6623315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 6633315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuilstatic int vidioc_query_dv_timings(struct file *file, void *_fh, 6643315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct v4l2_dv_timings *timings) 6653315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil{ 6663315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 6673315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_fh *fh = _fh; 6683315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_video_info *vid_info; 6693315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil bool interlaced; 6703315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil int ret = 0; 6713315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil int i; 6723315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 6733315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil fh->legacy_mode = false; 6743315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (dev->options.video_input) 6753315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return -ENODATA; 6763315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil vid_info = get_video_info(dev); 6773315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (vid_info == NULL) 6783315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return -ENOLCK; 6793315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil interlaced = vid_info->fps <= 30; 6803315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) { 6813315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil const struct v4l2_bt_timings *bt = &hdpvr_dv_timings[i].bt; 6823315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil unsigned hsize; 6833315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil unsigned vsize; 6843315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil unsigned fps; 6853315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 6863315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil hsize = bt->hfrontporch + bt->hsync + bt->hbackporch + bt->width; 6873315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil vsize = bt->vfrontporch + bt->vsync + bt->vbackporch + 6883315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil bt->il_vfrontporch + bt->il_vsync + bt->il_vbackporch + 6893315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil bt->height; 6903315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil fps = (unsigned)bt->pixelclock / (hsize * vsize); 6913315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (bt->width != vid_info->width || 6923315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil bt->height != vid_info->height || 6933315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil bt->interlaced != interlaced || 6943315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil (fps != vid_info->fps && fps + 1 != vid_info->fps)) 6953315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil continue; 6963315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil *timings = hdpvr_dv_timings[i]; 6973315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil break; 6983315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil } 6993315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (i == ARRAY_SIZE(hdpvr_dv_timings)) 7003315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil ret = -ERANGE; 7013315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil kfree(vid_info); 7023315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return ret; 7033315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil} 7043315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 7053315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuilstatic int vidioc_enum_dv_timings(struct file *file, void *_fh, 7063315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct v4l2_enum_dv_timings *timings) 7073315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil{ 7083315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 7093315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_fh *fh = _fh; 7103315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 7113315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil fh->legacy_mode = false; 7123315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil memset(timings->reserved, 0, sizeof(timings->reserved)); 7133315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (dev->options.video_input) 7143315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return -ENODATA; 7153315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (timings->index >= ARRAY_SIZE(hdpvr_dv_timings)) 7163315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return -EINVAL; 7173315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil timings->timings = hdpvr_dv_timings[timings->index]; 7183315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return 0; 7193315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil} 7203315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 7213315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuilstatic int vidioc_dv_timings_cap(struct file *file, void *_fh, 7223315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct v4l2_dv_timings_cap *cap) 7233315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil{ 7243315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 7253315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_fh *fh = _fh; 7263315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 7273315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil fh->legacy_mode = false; 7283315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (dev->options.video_input) 7293315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return -ENODATA; 7303315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil cap->type = V4L2_DV_BT_656_1120; 7313315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil cap->bt.min_width = 720; 7323315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil cap->bt.max_width = 1920; 7333315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil cap->bt.min_height = 480; 7343315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil cap->bt.max_height = 1080; 7353315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil cap->bt.min_pixelclock = 27000000; 7363315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil cap->bt.max_pixelclock = 74250000; 7373315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil cap->bt.standards = V4L2_DV_BT_STD_CEA861; 7383315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil cap->bt.capabilities = V4L2_DV_BT_CAP_INTERLACED | V4L2_DV_BT_CAP_PROGRESSIVE; 7393315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return 0; 7403315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil} 7413315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 7429aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic const char *iname[] = { 7439aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau [HDPVR_COMPONENT] = "Component", 7449aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau [HDPVR_SVIDEO] = "S-Video", 7459aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau [HDPVR_COMPOSITE] = "Composite", 7469aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau}; 7479aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 7485854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuilstatic int vidioc_enum_input(struct file *file, void *_fh, struct v4l2_input *i) 7499aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 7509aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau unsigned int n; 7519aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 7529aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau n = i->index; 7539aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (n >= HDPVR_VIDEO_INPUTS) 7549aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return -EINVAL; 7559aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 7569aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau i->type = V4L2_INPUT_TYPE_CAMERA; 7579aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 7589aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau strncpy(i->name, iname[n], sizeof(i->name) - 1); 7599aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau i->name[sizeof(i->name) - 1] = '\0'; 7609aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 7619aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF; 7629aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 7638f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil i->capabilities = n ? V4L2_IN_CAP_STD : V4L2_IN_CAP_DV_TIMINGS; 7648f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil i->std = n ? V4L2_STD_ALL : 0; 7659aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 7669aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 7679aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 7689aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 7695854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuilstatic int vidioc_s_input(struct file *file, void *_fh, 7709aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau unsigned int index) 7719aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 772ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 7739aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau int retval; 7749aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 7759aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (index >= HDPVR_VIDEO_INPUTS) 7769aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return -EINVAL; 7779aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 7789aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (dev->status != STATUS_IDLE) 77997caa318b3ced2241cf1eda772a72c9c2ea19abbHans Verkuil return -EBUSY; 7809aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 7819aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau retval = hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, index+1); 7828f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil if (!retval) { 7839aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau dev->options.video_input = index; 7845854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil /* 7855854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil * Unfortunately gstreamer calls ENUMSTD and bails out if it 7865854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil * won't find any formats, even though component input is 7875854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil * selected. This means that we have to leave tvnorms at 7885854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil * V4L2_STD_ALL. We cannot use the 'legacy' trick since 7895854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil * tvnorms is set at the device node level and not at the 7905854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil * filehandle level. 7915854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil * 7925854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil * Comment this out for now, but if the legacy mode can be 7935854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil * removed in the future, then this code should be enabled 7945854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil * again. 7958f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil dev->video_dev->tvnorms = 7965854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil (index != HDPVR_COMPONENT) ? V4L2_STD_ALL : 0; 7975854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil */ 7988f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil } 7999aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8009aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return retval; 8019aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 8029aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8039aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic int vidioc_g_input(struct file *file, void *private_data, 8049aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau unsigned int *index) 8059aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 806ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 8079aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8089aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau *index = dev->options.video_input; 8099aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 8109aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 8119aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8129aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8139aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic const char *audio_iname[] = { 8149aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau [HDPVR_RCA_FRONT] = "RCA front", 8159aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau [HDPVR_RCA_BACK] = "RCA back", 8169aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau [HDPVR_SPDIF] = "SPDIF", 8179aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau}; 8189aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8199aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic int vidioc_enumaudio(struct file *file, void *priv, 8209aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct v4l2_audio *audio) 8219aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 8229aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau unsigned int n; 8239aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8249aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau n = audio->index; 8259aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (n >= HDPVR_AUDIO_INPUTS) 8269aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return -EINVAL; 8279aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8289aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau audio->capability = V4L2_AUDCAP_STEREO; 8299aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8309aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau strncpy(audio->name, audio_iname[n], sizeof(audio->name) - 1); 8319aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau audio->name[sizeof(audio->name) - 1] = '\0'; 8329aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8339aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 8349aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 8359aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8369aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic int vidioc_s_audio(struct file *file, void *private_data, 8370e8025b9f6011a6bd69d01080d584bc95a89d02eHans Verkuil const struct v4l2_audio *audio) 8389aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 839ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 8409aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau int retval; 8419aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8429aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (audio->index >= HDPVR_AUDIO_INPUTS) 8439aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return -EINVAL; 8449aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8459aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (dev->status != STATUS_IDLE) 84697caa318b3ced2241cf1eda772a72c9c2ea19abbHans Verkuil return -EBUSY; 8479aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8489aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau retval = hdpvr_set_audio(dev, audio->index+1, dev->options.audio_codec); 8499aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (!retval) 8509aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau dev->options.audio_input = audio->index; 8519aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8529aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return retval; 8539aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 8549aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8559aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic int vidioc_g_audio(struct file *file, void *private_data, 8569aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct v4l2_audio *audio) 8579aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 858ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 8599aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8609aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau audio->index = dev->options.audio_input; 8619aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau audio->capability = V4L2_AUDCAP_STEREO; 8629aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau strncpy(audio->name, audio_iname[audio->index], sizeof(audio->name)); 8639aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau audio->name[sizeof(audio->name) - 1] = '\0'; 8649aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 8659aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 8669aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 86799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuilstatic int hdpvr_try_ctrl(struct v4l2_ctrl *ctrl) 8689aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 86999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil struct hdpvr_device *dev = 87099c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil container_of(ctrl->handler, struct hdpvr_device, hdl); 8719aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8729aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau switch (ctrl->id) { 87399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: 87499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (ctrl->val == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR && 87599c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->video_bitrate->val >= dev->video_bitrate_peak->val) 87699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->video_bitrate_peak->val = 87799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->video_bitrate->val + 100000; 8789aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau break; 8799aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 8809aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 8819aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 8829aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 88399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuilstatic int hdpvr_s_ctrl(struct v4l2_ctrl *ctrl) 8849aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 88599c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil struct hdpvr_device *dev = 88699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil container_of(ctrl->handler, struct hdpvr_device, hdl); 88799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil struct hdpvr_options *opt = &dev->options; 88899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil int ret = -EINVAL; 8899aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 8909aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau switch (ctrl->id) { 8919aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau case V4L2_CID_BRIGHTNESS: 89299c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil ret = hdpvr_config_call(dev, CTRL_BRIGHTNESS, ctrl->val); 89399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (ret) 89499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil break; 89599c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->options.brightness = ctrl->val; 89699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil return 0; 8979aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau case V4L2_CID_CONTRAST: 89899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil ret = hdpvr_config_call(dev, CTRL_CONTRAST, ctrl->val); 89999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (ret) 90099c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil break; 90199c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->options.contrast = ctrl->val; 90299c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil return 0; 9039aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau case V4L2_CID_SATURATION: 90499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil ret = hdpvr_config_call(dev, CTRL_SATURATION, ctrl->val); 90599c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (ret) 90699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil break; 90799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->options.saturation = ctrl->val; 90899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil return 0; 9099aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau case V4L2_CID_HUE: 91099c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil ret = hdpvr_config_call(dev, CTRL_HUE, ctrl->val); 91199c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (ret) 91299c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil break; 91399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->options.hue = ctrl->val; 91499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil return 0; 9159aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau case V4L2_CID_SHARPNESS: 91699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil ret = hdpvr_config_call(dev, CTRL_SHARPNESS, ctrl->val); 91799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (ret) 91899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil break; 91999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->options.sharpness = ctrl->val; 92099c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil return 0; 9219aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau case V4L2_CID_MPEG_AUDIO_ENCODING: 9229aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (dev->flags & HDPVR_FLAG_AC3_CAP) { 92399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil opt->audio_codec = ctrl->val; 92499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil return hdpvr_set_audio(dev, opt->audio_input, 9259aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau opt->audio_codec); 9269aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 92799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil return 0; 9289aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau case V4L2_CID_MPEG_VIDEO_ENCODING: 92999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil return 0; 9309aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ 9319aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* if (ctrl->value == 0 && !(opt->gop_mode & 0x2)) { */ 9329aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* opt->gop_mode |= 0x2; */ 9339aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */ 9349aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* opt->gop_mode); */ 9359aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* } */ 9369aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* if (ctrl->value == 128 && opt->gop_mode & 0x2) { */ 9379aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* opt->gop_mode &= ~0x2; */ 9389aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */ 9399aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* opt->gop_mode); */ 9409aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* } */ 9419aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* break; */ 94299c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: { 94399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil uint peak_bitrate = dev->video_bitrate_peak->val / 100000; 94499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil uint bitrate = dev->video_bitrate->val / 100000; 94599c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil 94699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (ctrl->is_new) { 94799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (ctrl->val == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) 94899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil opt->bitrate_mode = HDPVR_CONSTANT; 94999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil else 95099c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil opt->bitrate_mode = HDPVR_VARIABLE_AVERAGE; 9519aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE, 9529aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau opt->bitrate_mode); 95399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_activate(dev->video_bitrate_peak, 95499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil ctrl->val != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); 9559aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 9569aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 95799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (dev->video_bitrate_peak->is_new || 95899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->video_bitrate->is_new) { 95999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil opt->bitrate = bitrate; 9609aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau opt->peak_bitrate = peak_bitrate; 9619aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_set_bitrate(dev); 96299c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil } 96399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil return 0; 9649aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 9659aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau case V4L2_CID_MPEG_STREAM_TYPE: 96699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil return 0; 9679aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau default: 96899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil break; 9699aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 9709aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return ret; 9719aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 9729aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 9739aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data, 9749aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct v4l2_fmtdesc *f) 9759aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 97697caa318b3ced2241cf1eda772a72c9c2ea19abbHans Verkuil if (f->index != 0) 9779aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return -EINVAL; 9789aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 9799aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau f->flags = V4L2_FMT_FLAG_COMPRESSED; 9809aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau strncpy(f->description, "MPEG2-TS with AVC/AAC streams", 32); 9819aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau f->pixelformat = V4L2_PIX_FMT_MPEG; 9829aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 9839aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 9849aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 9859aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 9863315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuilstatic int vidioc_g_fmt_vid_cap(struct file *file, void *_fh, 9879aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct v4l2_format *f) 9889aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 989ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil struct hdpvr_device *dev = video_drvdata(file); 9903315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_fh *fh = _fh; 9913315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 9923315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil /* 9933315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil * The original driver would always returns the current detected 9943315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil * resolution as the format (and EFAULT if it couldn't be detected). 9953315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil * With the introduction of VIDIOC_QUERY_DV_TIMINGS there is now a 9963315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil * better way of doing this, but to stay compatible with existing 9973315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil * applications we assume legacy mode every time an application opens 9983315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil * the device. Only if one of the new DV_TIMINGS ioctls is called 9993315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil * will the filehandle go into 'normal' mode where g_fmt returns the 10003315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil * last set format. 10013315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil */ 10023315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (fh->legacy_mode) { 10033315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil struct hdpvr_video_info *vid_info; 10043315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil 10053315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil vid_info = get_video_info(dev); 10063315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (!vid_info) 10073315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil return -EFAULT; 10083315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil f->fmt.pix.width = vid_info->width; 10093315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil f->fmt.pix.height = vid_info->height; 10103315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil kfree(vid_info); 10113315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil } else { 10123315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil f->fmt.pix.width = dev->width; 10133315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil f->fmt.pix.height = dev->height; 10143315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil } 10159aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 10169aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau f->fmt.pix.sizeimage = dev->bulk_in_size; 10179aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau f->fmt.pix.bytesperline = 0; 10183315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil f->fmt.pix.priv = 0; 10193315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil if (f->fmt.pix.width == 720) { 10203315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil /* SDTV formats */ 10213315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 10223315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil f->fmt.pix.field = V4L2_FIELD_INTERLACED; 10233315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil } else { 10243315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil /* HDTV formats */ 10253315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE240M; 10263315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil f->fmt.pix.field = V4L2_FIELD_NONE; 10273315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil } 10289aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 10299aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 10309aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 103176717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunaustatic int vidioc_encoder_cmd(struct file *filp, void *priv, 103276717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau struct v4l2_encoder_cmd *a) 103376717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau{ 1034ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil struct hdpvr_device *dev = video_drvdata(filp); 1035ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil int res = 0; 103676717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau 103776717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau mutex_lock(&dev->io_mutex); 1038ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil a->flags = 0; 103976717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau 104076717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau switch (a->cmd) { 104176717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau case V4L2_ENC_CMD_START: 1042ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil if (dev->owner && filp->private_data != dev->owner) { 1043ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil res = -EBUSY; 1044ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil break; 1045ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil } 1046ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil if (dev->status == STATUS_STREAMING) 1047ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil break; 104876717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau res = hdpvr_start_streaming(dev); 1049ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil if (!res) 1050ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil dev->owner = filp->private_data; 1051ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil else 1052ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil dev->status = STATUS_IDLE; 105376717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau break; 105476717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau case V4L2_ENC_CMD_STOP: 1055ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil if (dev->owner && filp->private_data != dev->owner) { 1056ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil res = -EBUSY; 1057ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil break; 1058ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil } 1059ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil if (dev->status == STATUS_IDLE) 1060ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil break; 106176717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau res = hdpvr_stop_streaming(dev); 1062ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil if (!res) 1063ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil dev->owner = NULL; 106476717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau break; 106576717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau default: 10669ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, 106776717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau "Unsupported encoder cmd %d\n", a->cmd); 106848f98f7557d35d360470bf6d9fd7b00d04fba828Janne Grunau res = -EINVAL; 1069ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil break; 107076717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau } 1071ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil 107276717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau mutex_unlock(&dev->io_mutex); 107376717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau return res; 107476717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau} 107576717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau 107676717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunaustatic int vidioc_try_encoder_cmd(struct file *filp, void *priv, 107776717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau struct v4l2_encoder_cmd *a) 107876717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau{ 1079ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil a->flags = 0; 108076717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau switch (a->cmd) { 108176717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau case V4L2_ENC_CMD_START: 108276717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau case V4L2_ENC_CMD_STOP: 108376717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau return 0; 108476717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau default: 108576717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau return -EINVAL; 108676717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau } 108776717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau} 10889aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 10899aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic const struct v4l2_ioctl_ops hdpvr_ioctl_ops = { 10909aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .vidioc_querycap = vidioc_querycap, 10919aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .vidioc_s_std = vidioc_s_std, 10928f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil .vidioc_g_std = vidioc_g_std, 10938f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil .vidioc_querystd = vidioc_querystd, 10943315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil .vidioc_s_dv_timings = vidioc_s_dv_timings, 10953315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil .vidioc_g_dv_timings = vidioc_g_dv_timings, 10963315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil .vidioc_query_dv_timings= vidioc_query_dv_timings, 10973315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil .vidioc_enum_dv_timings = vidioc_enum_dv_timings, 10983315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil .vidioc_dv_timings_cap = vidioc_dv_timings_cap, 10999aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .vidioc_enum_input = vidioc_enum_input, 11009aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .vidioc_g_input = vidioc_g_input, 11019aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .vidioc_s_input = vidioc_s_input, 11029aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .vidioc_enumaudio = vidioc_enumaudio, 11039aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .vidioc_g_audio = vidioc_g_audio, 11049aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .vidioc_s_audio = vidioc_s_audio, 110565fe42d6054bb84c4abc4168310bd5d7c462456eHans Verkuil .vidioc_enum_fmt_vid_cap= vidioc_enum_fmt_vid_cap, 110665fe42d6054bb84c4abc4168310bd5d7c462456eHans Verkuil .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 11073315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil .vidioc_s_fmt_vid_cap = vidioc_g_fmt_vid_cap, 11083315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil .vidioc_try_fmt_vid_cap = vidioc_g_fmt_vid_cap, 110976717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau .vidioc_encoder_cmd = vidioc_encoder_cmd, 111076717b887cccc77d04357fc0d6ac98f894e3eb3cJanne Grunau .vidioc_try_encoder_cmd = vidioc_try_encoder_cmd, 111165fe42d6054bb84c4abc4168310bd5d7c462456eHans Verkuil .vidioc_log_status = v4l2_ctrl_log_status, 111265fe42d6054bb84c4abc4168310bd5d7c462456eHans Verkuil .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 111365fe42d6054bb84c4abc4168310bd5d7c462456eHans Verkuil .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 11149aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau}; 11159aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 11169aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic void hdpvr_device_release(struct video_device *vdev) 11179aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 11189aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_device *dev = video_get_drvdata(vdev); 11199aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 11209aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau hdpvr_delete(dev); 1121f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil mutex_lock(&dev->io_mutex); 1122f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil destroy_workqueue(dev->workqueue); 1123f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil mutex_unlock(&dev->io_mutex); 1124f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil 1125f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil v4l2_device_unregister(&dev->v4l2_dev); 112699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_handler_free(&dev->hdl); 1127f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil 1128f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil /* deregister I2C adapter */ 112954d80904b4c1f7aa1d569d07ca3e62fba0daf3a2Mauro Carvalho Chehab#if IS_ENABLED(CONFIG_I2C) 1130f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil mutex_lock(&dev->i2c_mutex); 1131324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson i2c_del_adapter(&dev->i2c_adapter); 1132f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil mutex_unlock(&dev->i2c_mutex); 1133f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil#endif /* CONFIG_I2C */ 1134f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil 1135f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil kfree(dev->usbc_buf); 1136f2b305cd6711b7b3ce30db93b50bc5d6312950c8Hans Verkuil kfree(dev); 11379aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 11389aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 11399aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic const struct video_device hdpvr_video_template = { 11409aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .fops = &hdpvr_fops, 11419aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .release = hdpvr_device_release, 11429aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .ioctl_ops = &hdpvr_ioctl_ops, 11435854bf88599545572ce89fba6c4fa0bf6b6e226cHans Verkuil .tvnorms = V4L2_STD_ALL, 11449aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau}; 11459aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 114699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuilstatic const struct v4l2_ctrl_ops hdpvr_ctrl_ops = { 114799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil .try_ctrl = hdpvr_try_ctrl, 114899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil .s_ctrl = hdpvr_s_ctrl, 114999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil}; 115099c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil 1151a50ab29185a9ec31e5a6999e53add0508653e889Janne Grunauint hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent, 1152a50ab29185a9ec31e5a6999e53add0508653e889Janne Grunau int devnum) 11539aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 115499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil struct v4l2_ctrl_handler *hdl = &dev->hdl; 115599c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil bool ac3 = dev->flags & HDPVR_FLAG_AC3_CAP; 115699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil int res; 115799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil 11588f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil dev->cur_std = V4L2_STD_525_60; 11598f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil dev->width = 720; 11608f69da955873f5e33b60ff117856a2bf1309a336Hans Verkuil dev->height = 480; 11613315c59a45d5314c935a7dd82ab3c324c0d01343Hans Verkuil dev->cur_dv_timings = hdpvr_dv_timings[HDPVR_DEF_DV_TIMINGS_IDX]; 116299c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_handler_init(hdl, 11); 116399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (dev->fw_ver > 0x15) { 116499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, 116599c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_BRIGHTNESS, 0x0, 0xff, 1, 0x80); 116699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, 116799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_CONTRAST, 0x0, 0xff, 1, 0x40); 116899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, 116999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_SATURATION, 0x0, 0xff, 1, 0x40); 117099c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, 117199c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_HUE, 0x0, 0x1e, 1, 0xf); 117299c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, 117399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_SHARPNESS, 0x0, 0xff, 1, 0x80); 117499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil } else { 117599c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, 117699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_BRIGHTNESS, 0x0, 0xff, 1, 0x86); 117799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, 117899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_CONTRAST, 0x0, 0xff, 1, 0x80); 117999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, 118099c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_SATURATION, 0x0, 0xff, 1, 0x80); 118199c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, 118299c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_HUE, 0x0, 0xff, 1, 0x80); 118399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, 118499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_SHARPNESS, 0x0, 0xff, 1, 0x80); 118599c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil } 118699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil 118799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, 118899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_MPEG_STREAM_TYPE, 118999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_MPEG_STREAM_TYPE_MPEG2_TS, 119099c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil 0x1, V4L2_MPEG_STREAM_TYPE_MPEG2_TS); 119199c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, 119299c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_MPEG_AUDIO_ENCODING, 119399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 : V4L2_MPEG_AUDIO_ENCODING_AAC, 119499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil 0x7, V4L2_MPEG_AUDIO_ENCODING_AAC); 119599c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, 119699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_MPEG_VIDEO_ENCODING, 119799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 0x3, 119899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC); 119999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil 120099c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->video_mode = v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, 120199c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_MPEG_VIDEO_BITRATE_MODE, 120299c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 0, 120399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); 120499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil 120599c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->video_bitrate = v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, 120699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_MPEG_VIDEO_BITRATE, 120799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil 1000000, 13500000, 100000, 6500000); 120899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->video_bitrate_peak = v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, 120999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, 121099c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil 1100000, 20200000, 100000, 9000000); 121199c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil dev->v4l2_dev.ctrl_handler = hdl; 121299c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (hdl->error) { 121399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil res = hdl->error; 121499c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_err(&dev->v4l2_dev, "Could not register controls\n"); 121599c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil goto error; 121699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil } 121799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_cluster(3, &dev->video_mode); 121899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil res = v4l2_ctrl_handler_setup(hdl); 121999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (res < 0) { 122099c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_err(&dev->v4l2_dev, "Could not setup controls\n"); 122199c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil goto error; 122299c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil } 122399c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil 12249aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau /* setup and register video device */ 12259aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau dev->video_dev = video_device_alloc(); 12269aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (!dev->video_dev) { 12279ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_err(&dev->v4l2_dev, "video_device_alloc() failed\n"); 122899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil res = -ENOMEM; 12299aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau goto error; 12309aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 12319aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1232ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil *dev->video_dev = hdpvr_video_template; 12339aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau strcpy(dev->video_dev->name, "Hauppauge HD PVR"); 1234ede197aac0c64021a0b2139d19edd8fa066530c2Hans Verkuil dev->video_dev->v4l2_dev = &dev->v4l2_dev; 12359aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau video_set_drvdata(dev->video_dev, dev); 123665fe42d6054bb84c4abc4168310bd5d7c462456eHans Verkuil set_bit(V4L2_FL_USE_FH_PRIO, &dev->video_dev->flags); 12379aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 123899c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil res = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, devnum); 123999c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil if (res < 0) { 12409ef77adfb9ac170bcaf449530cf129c48547fd55Janne Grunau v4l2_err(&dev->v4l2_dev, "video_device registration failed\n"); 12419aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau goto error; 12429aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 12439aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 12449aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 12459aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunauerror: 124699c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil v4l2_ctrl_handler_free(hdl); 124799c77aa4281c41fab255a4eb25ccc36a8c2e113dHans Verkuil return res; 12489aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 1249