^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Hauppauge HD PVR USB driver - video 4 linux 2 interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2008 Janne Grunau (j@jannau.net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/videodev2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <media/v4l2-common.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "hdpvr.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) int hdpvr_config_call(struct hdpvr_device *dev, uint value, u8 valbuf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) char request_type = 0x38, snd_request = 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) mutex_lock(&dev->usbc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) dev->usbc_buf[0] = valbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) ret = usb_control_msg(dev->udev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) usb_sndctrlpipe(dev->udev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) snd_request, 0x00 | request_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) value, CTRL_DEFAULT_INDEX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) dev->usbc_buf, 1, 10000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) mutex_unlock(&dev->usbc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) "config call request for value 0x%x returned %d\n", value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) return ret < 0 ? ret : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int get_video_info(struct hdpvr_device *dev, struct hdpvr_video_info *vidinf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) vidinf->valid = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) mutex_lock(&dev->usbc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) ret = usb_control_msg(dev->udev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) usb_rcvctrlpipe(dev->udev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 0x81, 0x80 | 0x38,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 0x1400, 0x0003,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) dev->usbc_buf, 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #ifdef HDPVR_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (hdpvr_debug & MSG_INFO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) "get video info returned: %d, %5ph\n", ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) dev->usbc_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) mutex_unlock(&dev->usbc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) vidinf->width = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) vidinf->height = dev->usbc_buf[3] << 8 | dev->usbc_buf[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) vidinf->fps = dev->usbc_buf[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) vidinf->valid = vidinf->width && vidinf->height && vidinf->fps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) int get_input_lines_info(struct hdpvr_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) int ret, lines;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) mutex_lock(&dev->usbc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) ret = usb_control_msg(dev->udev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) usb_rcvctrlpipe(dev->udev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 0x81, 0x80 | 0x38,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 0x1800, 0x0003,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) dev->usbc_buf, 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #ifdef HDPVR_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (hdpvr_debug & MSG_INFO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) "get input lines info returned: %d, %3ph\n", ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) dev->usbc_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) (void)ret; /* suppress compiler warning */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) lines = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) mutex_unlock(&dev->usbc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) return lines;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) int hdpvr_set_bitrate(struct hdpvr_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) mutex_lock(&dev->usbc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) memset(dev->usbc_buf, 0, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) dev->usbc_buf[0] = dev->options.bitrate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) dev->usbc_buf[2] = dev->options.peak_bitrate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) ret = usb_control_msg(dev->udev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) usb_sndctrlpipe(dev->udev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 0x01, 0x38, CTRL_BITRATE_VALUE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) CTRL_DEFAULT_INDEX, dev->usbc_buf, 4, 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) mutex_unlock(&dev->usbc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) int hdpvr_set_audio(struct hdpvr_device *dev, u8 input,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) enum v4l2_mpeg_audio_encoding codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) if (dev->flags & HDPVR_FLAG_AC3_CAP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) mutex_lock(&dev->usbc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) memset(dev->usbc_buf, 0, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) dev->usbc_buf[0] = input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) if (codec == V4L2_MPEG_AUDIO_ENCODING_AAC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) dev->usbc_buf[1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) else if (codec == V4L2_MPEG_AUDIO_ENCODING_AC3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) dev->usbc_buf[1] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) mutex_unlock(&dev->usbc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) v4l2_err(&dev->v4l2_dev, "invalid audio codec %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) ret = usb_control_msg(dev->udev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) usb_sndctrlpipe(dev->udev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 0x01, 0x38, CTRL_AUDIO_INPUT_VALUE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) CTRL_DEFAULT_INDEX, dev->usbc_buf, 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) mutex_unlock(&dev->usbc_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (ret == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) ret = hdpvr_config_call(dev, CTRL_AUDIO_INPUT_VALUE, input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) int hdpvr_set_options(struct hdpvr_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, dev->options.video_std);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) dev->options.video_input+1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) hdpvr_set_audio(dev, dev->options.audio_input+1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) dev->options.audio_codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) hdpvr_set_bitrate(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) dev->options.bitrate_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, dev->options.gop_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) hdpvr_config_call(dev, CTRL_BRIGHTNESS, dev->options.brightness);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) hdpvr_config_call(dev, CTRL_CONTRAST, dev->options.contrast);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) hdpvr_config_call(dev, CTRL_HUE, dev->options.hue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) hdpvr_config_call(dev, CTRL_SATURATION, dev->options.saturation);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) hdpvr_config_call(dev, CTRL_SHARPNESS, dev->options.sharpness);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) }