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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Hauppauge HD PVR USB driver4 *5 * Copyright (C) 2008 Janne Grunau (j@jannau.net)6 */7 8#include <linux/usb.h>9#include <linux/i2c.h>10#include <linux/mutex.h>11#include <linux/workqueue.h>12#include <linux/videodev2.h>13 14#include <media/v4l2-device.h>15#include <media/v4l2-ctrls.h>16#include <media/i2c/ir-kbd-i2c.h>17 18#define HDPVR_MAX 819#define HDPVR_I2C_MAX_SIZE 12820 21/* Define these values to match your devices */22#define HD_PVR_VENDOR_ID 0x204023#define HD_PVR_PRODUCT_ID 0x490024#define HD_PVR_PRODUCT_ID1 0x490125#define HD_PVR_PRODUCT_ID2 0x490226#define HD_PVR_PRODUCT_ID4 0x490327#define HD_PVR_PRODUCT_ID3 0x498228 29#define UNSET (-1U)30 31#define NUM_BUFFERS 6432 33#define HDPVR_FIRMWARE_VERSION 0x0834#define HDPVR_FIRMWARE_VERSION_AC3 0x0d35#define HDPVR_FIRMWARE_VERSION_0X12 0x1236#define HDPVR_FIRMWARE_VERSION_0X15 0x1537#define HDPVR_FIRMWARE_VERSION_0X1E 0x1e38 39/* #define HDPVR_DEBUG */40 41extern int hdpvr_debug;42 43#define MSG_INFO 144#define MSG_BUFFER 245 46struct hdpvr_options {47 u8 video_std;48 u8 video_input;49 u8 audio_input;50 u8 bitrate; /* in 100kbps */51 u8 peak_bitrate; /* in 100kbps */52 u8 bitrate_mode;53 u8 gop_mode;54 enum v4l2_mpeg_audio_encoding audio_codec;55 u8 brightness;56 u8 contrast;57 u8 hue;58 u8 saturation;59 u8 sharpness;60};61 62/* Structure to hold all of our device specific stuff */63struct hdpvr_device {64 /* the v4l device for this device */65 struct video_device video_dev;66 /* the control handler for this device */67 struct v4l2_ctrl_handler hdl;68 /* the usb device for this device */69 struct usb_device *udev;70 /* v4l2-device unused */71 struct v4l2_device v4l2_dev;72 struct { /* video mode/bitrate control cluster */73 struct v4l2_ctrl *video_mode;74 struct v4l2_ctrl *video_bitrate;75 struct v4l2_ctrl *video_bitrate_peak;76 };77 /* v4l2 format */78 uint width, height;79 80 /* the max packet size of the bulk endpoint */81 size_t bulk_in_size;82 /* the address of the bulk in endpoint */83 __u8 bulk_in_endpointAddr;84 85 /* holds the current device status */86 __u8 status;87 88 /* holds the current set options */89 struct hdpvr_options options;90 v4l2_std_id cur_std;91 struct v4l2_dv_timings cur_dv_timings;92 93 uint flags;94 95 /* synchronize I/O */96 struct mutex io_mutex;97 /* available buffers */98 struct list_head free_buff_list;99 /* in progress buffers */100 struct list_head rec_buff_list;101 /* waitqueue for buffers */102 wait_queue_head_t wait_buffer;103 /* waitqueue for data */104 wait_queue_head_t wait_data;105 /**/106 struct work_struct worker;107 /* current stream owner */108 struct v4l2_fh *owner;109 110 /* I2C adapter */111 struct i2c_adapter i2c_adapter;112 /* I2C lock */113 struct mutex i2c_mutex;114 /* I2C message buffer space */115 char i2c_buf[HDPVR_I2C_MAX_SIZE];116 117 /* For passing data to ir-kbd-i2c */118 struct IR_i2c_init_data ir_i2c_init_data;119 120 /* usb control transfer buffer and lock */121 struct mutex usbc_mutex;122 u8 *usbc_buf;123 u8 fw_ver;124};125 126static inline struct hdpvr_device *to_hdpvr_dev(struct v4l2_device *v4l2_dev)127{128 return container_of(v4l2_dev, struct hdpvr_device, v4l2_dev);129}130 131 132/* buffer one bulk urb of data */133struct hdpvr_buffer {134 struct list_head buff_list;135 136 struct urb *urb;137 138 struct hdpvr_device *dev;139 140 uint pos;141 142 __u8 status;143};144 145/* */146 147struct hdpvr_video_info {148 u16 width;149 u16 height;150 u8 fps;151 bool valid;152};153 154enum {155 STATUS_UNINITIALIZED = 0,156 STATUS_IDLE,157 STATUS_STARTING,158 STATUS_SHUTTING_DOWN,159 STATUS_STREAMING,160 STATUS_ERROR,161 STATUS_DISCONNECTED,162};163 164enum {165 HDPVR_FLAG_AC3_CAP = 1,166};167 168enum {169 BUFSTAT_UNINITIALIZED = 0,170 BUFSTAT_AVAILABLE,171 BUFSTAT_INPROGRESS,172 BUFSTAT_READY,173};174 175#define CTRL_START_STREAMING_VALUE 0x0700176#define CTRL_STOP_STREAMING_VALUE 0x0800177#define CTRL_BITRATE_VALUE 0x1000178#define CTRL_BITRATE_MODE_VALUE 0x1200179#define CTRL_GOP_MODE_VALUE 0x1300180#define CTRL_VIDEO_INPUT_VALUE 0x1500181#define CTRL_VIDEO_STD_TYPE 0x1700182#define CTRL_AUDIO_INPUT_VALUE 0x2500183#define CTRL_BRIGHTNESS 0x2900184#define CTRL_CONTRAST 0x2a00185#define CTRL_HUE 0x2b00186#define CTRL_SATURATION 0x2c00187#define CTRL_SHARPNESS 0x2d00188#define CTRL_LOW_PASS_FILTER_VALUE 0x3100189 190#define CTRL_DEFAULT_INDEX 0x0003191 192 193 /* :0 s 38 01 1000 0003 0004 4 = 0a00ca00194 * BITRATE SETTING195 * 1st and 2nd byte (little endian): average bitrate in 100 000 bit/s196 * min: 1 mbit/s, max: 13.5 mbit/s197 * 3rd and 4th byte (little endian): peak bitrate in 100 000 bit/s198 * min: average + 100kbit/s,199 * max: 20.2 mbit/s200 */201 202 /* :0 s 38 01 1200 0003 0001 1 = 02203 * BIT RATE MODE204 * constant = 1, variable (peak) = 2, variable (average) = 3205 */206 207 /* :0 s 38 01 1300 0003 0001 1 = 03208 * GOP MODE (2 bit)209 * low bit 0/1: advanced/simple GOP210 * high bit 0/1: IDR(4/32/128) / no IDR (4/32/0)211 */212 213 /* :0 s 38 01 1700 0003 0001 1 = 00214 * VIDEO STANDARD or FREQUENCY 0 = 60hz, 1 = 50hz215 */216 217 /* :0 s 38 01 3100 0003 0004 4 = 03030000218 * FILTER CONTROL219 * 1st byte luma low pass filter strength,220 * 2nd byte chroma low pass filter strength,221 * 3rd byte MF enable chroma, min=0, max=1222 * 4th byte n223 */224 225 226 /* :0 s 38 b9 0001 0000 0000 0 */227 228 229 230/* :0 s 38 d3 0000 0000 0001 1 = 00 */231/* ret = usb_control_msg(dev->udev, */232/* usb_sndctrlpipe(dev->udev, 0), */233/* 0xd3, 0x38, */234/* 0, 0, */235/* "\0", 1, */236/* 1000); */237 238/* info("control request returned %d", ret); */239/* msleep(5000); */240 241 242 /* :0 s b8 81 1400 0003 0005 5 <243 * :0 0 5 = d0024002 19244 * QUERY FRAME SIZE AND RATE245 * 1st and 2nd byte (little endian): horizontal resolution246 * 3rd and 4th byte (little endian): vertical resolution247 * 5th byte: frame rate248 */249 250 /* :0 s b8 81 1800 0003 0003 3 <251 * :0 0 3 = 030104252 * QUERY SIGNAL AND DETECTED LINES, maybe INPUT253 */254 255enum hdpvr_video_std {256 HDPVR_60HZ = 0,257 HDPVR_50HZ,258};259 260enum hdpvr_video_input {261 HDPVR_COMPONENT = 0,262 HDPVR_SVIDEO,263 HDPVR_COMPOSITE,264 HDPVR_VIDEO_INPUTS265};266 267enum hdpvr_audio_inputs {268 HDPVR_RCA_BACK = 0,269 HDPVR_RCA_FRONT,270 HDPVR_SPDIF,271 HDPVR_AUDIO_INPUTS272};273 274enum hdpvr_bitrate_mode {275 HDPVR_CONSTANT = 1,276 HDPVR_VARIABLE_PEAK,277 HDPVR_VARIABLE_AVERAGE,278};279 280enum hdpvr_gop_mode {281 HDPVR_ADVANCED_IDR_GOP = 0,282 HDPVR_SIMPLE_IDR_GOP,283 HDPVR_ADVANCED_NOIDR_GOP,284 HDPVR_SIMPLE_NOIDR_GOP,285};286 287void hdpvr_delete(struct hdpvr_device *dev);288 289/*========================================================================*/290/* hardware control functions */291int hdpvr_set_options(struct hdpvr_device *dev);292 293int hdpvr_set_bitrate(struct hdpvr_device *dev);294 295int hdpvr_set_audio(struct hdpvr_device *dev, u8 input,296 enum v4l2_mpeg_audio_encoding codec);297 298int hdpvr_config_call(struct hdpvr_device *dev, uint value,299 unsigned char valbuf);300 301int get_video_info(struct hdpvr_device *dev, struct hdpvr_video_info *vid_info);302 303/* :0 s b8 81 1800 0003 0003 3 < */304/* :0 0 3 = 0301ff */305int get_input_lines_info(struct hdpvr_device *dev);306 307 308/*========================================================================*/309/* v4l2 registration */310int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent,311 int devnumber);312 313int hdpvr_cancel_queue(struct hdpvr_device *dev);314 315/*========================================================================*/316/* i2c adapter registration */317int hdpvr_register_i2c_adapter(struct hdpvr_device *dev);318 319struct i2c_client *hdpvr_register_ir_i2c(struct hdpvr_device *dev);320 321/*========================================================================*/322/* buffer management */323int hdpvr_free_buffers(struct hdpvr_device *dev);324int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count);325