282 lines
6.3 KiB
C
282 lines
6.3 KiB
C
#ifndef PD_COMMON_H
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#define PD_COMMON_H
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#include <linux/fs.h>
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#include <linux/wait.h>
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#include <linux/list.h>
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#include <linux/videodev2.h>
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#include <linux/semaphore.h>
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#include <linux/usb.h>
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#include <linux/poll.h>
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#include <media/videobuf-vmalloc.h>
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#include <media/v4l2-device.h>
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#include "dvb_frontend.h"
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#include "dvbdev.h"
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#include "dvb_demux.h"
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#include "dmxdev.h"
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#define SBUF_NUM 8
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#define MAX_BUFFER_NUM 6
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#define PK_PER_URB 32
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#define ISO_PKT_SIZE 3072
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#define POSEIDON_STATE_NONE (0x0000)
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#define POSEIDON_STATE_ANALOG (0x0001)
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#define POSEIDON_STATE_FM (0x0002)
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#define POSEIDON_STATE_DVBT (0x0004)
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#define POSEIDON_STATE_VBI (0x0008)
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#define POSEIDON_STATE_DISCONNECT (0x0080)
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#define PM_SUSPEND_DELAY 3
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#define V4L_PAL_VBI_LINES 18
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#define V4L_NTSC_VBI_LINES 12
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#define V4L_PAL_VBI_FRAMESIZE (V4L_PAL_VBI_LINES * 1440 * 2)
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#define V4L_NTSC_VBI_FRAMESIZE (V4L_NTSC_VBI_LINES * 1440 * 2)
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#define TUNER_FREQ_MIN (45000000)
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#define TUNER_FREQ_MAX (862000000)
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struct vbi_data {
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struct video_device *v_dev;
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struct video_data *video;
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struct front_face *front;
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unsigned int copied;
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unsigned int vbi_size; /* the whole size of two fields */
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int users;
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};
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/*
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* This is the running context of the video, it is useful for
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* resume()
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*/
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struct running_context {
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u32 freq; /* VIDIOC_S_FREQUENCY */
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int audio_idx; /* VIDIOC_S_TUNER */
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v4l2_std_id tvnormid; /* VIDIOC_S_STD */
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int sig_index; /* VIDIOC_S_INPUT */
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struct v4l2_pix_format pix; /* VIDIOC_S_FMT */
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};
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struct video_data {
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/* v4l2 video device */
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struct video_device *v_dev;
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/* the working context */
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struct running_context context;
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/* for data copy */
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int field_count;
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char *dst;
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int lines_copied;
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int prev_left;
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int lines_per_field;
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int lines_size;
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/* for communication */
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u8 endpoint_addr;
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struct urb *urb_array[SBUF_NUM];
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struct vbi_data *vbi;
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struct poseidon *pd;
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struct front_face *front;
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int is_streaming;
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int users;
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/* for bubble handler */
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struct work_struct bubble_work;
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};
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enum pcm_stream_state {
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STREAM_OFF,
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STREAM_ON,
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STREAM_SUSPEND,
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};
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#define AUDIO_BUFS (3)
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#define CAPTURE_STREAM_EN 1
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struct poseidon_audio {
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struct urb *urb_array[AUDIO_BUFS];
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unsigned int copied_position;
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struct snd_pcm_substream *capture_pcm_substream;
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unsigned int rcv_position;
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struct snd_card *card;
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int card_close;
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int users;
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int pm_state;
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enum pcm_stream_state capture_stream;
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};
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struct radio_data {
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__u32 fm_freq;
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int users;
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unsigned int is_radio_streaming;
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int pre_emphasis;
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struct video_device *fm_dev;
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};
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#define DVB_SBUF_NUM 4
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#define DVB_URB_BUF_SIZE 0x2000
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struct pd_dvb_adapter {
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struct dvb_adapter dvb_adap;
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struct dvb_frontend dvb_fe;
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struct dmxdev dmxdev;
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struct dvb_demux demux;
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atomic_t users;
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atomic_t active_feed;
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/* data transfer */
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s32 is_streaming;
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struct urb *urb_array[DVB_SBUF_NUM];
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struct poseidon *pd_device;
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u8 ep_addr;
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u8 reserved[3];
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/* data for power resume*/
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struct dvb_frontend_parameters fe_param;
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/* for channel scanning */
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int prev_freq;
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int bandwidth;
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unsigned long last_jiffies;
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};
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struct front_face {
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/* use this field to distinguish VIDEO and VBI */
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enum v4l2_buf_type type;
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/* for host */
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struct videobuf_queue q;
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/* the bridge for host and device */
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struct videobuf_buffer *curr_frame;
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/* for device */
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spinlock_t queue_lock;
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struct list_head active;
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struct poseidon *pd;
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};
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struct poseidon {
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struct list_head device_list;
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struct mutex lock;
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struct kref kref;
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/* for V4L2 */
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struct v4l2_device v4l2_dev;
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/* hardware info */
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struct usb_device *udev;
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struct usb_interface *interface;
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int cur_transfer_mode;
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struct video_data video_data; /* video */
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struct vbi_data vbi_data; /* vbi */
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struct poseidon_audio audio; /* audio (alsa) */
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struct radio_data radio_data; /* FM */
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struct pd_dvb_adapter dvb_data; /* DVB */
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u32 state;
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struct file *file_for_stream; /* the active stream*/
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#ifdef CONFIG_PM
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int (*pm_suspend)(struct poseidon *);
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int (*pm_resume)(struct poseidon *);
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pm_message_t msg;
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struct work_struct pm_work;
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u8 portnum;
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#endif
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};
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struct poseidon_format {
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char *name;
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int fourcc; /* video4linux 2 */
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int depth; /* bit/pixel */
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int flags;
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};
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struct poseidon_tvnorm {
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v4l2_std_id v4l2_id;
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char name[12];
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u32 tlg_tvnorm;
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};
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/* video */
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int pd_video_init(struct poseidon *);
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void pd_video_exit(struct poseidon *);
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int stop_all_video_stream(struct poseidon *);
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/* alsa audio */
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int poseidon_audio_init(struct poseidon *);
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int poseidon_audio_free(struct poseidon *);
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#ifdef CONFIG_PM
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int pm_alsa_suspend(struct poseidon *);
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int pm_alsa_resume(struct poseidon *);
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#endif
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/* dvb */
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int pd_dvb_usb_device_init(struct poseidon *);
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void pd_dvb_usb_device_exit(struct poseidon *);
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void pd_dvb_usb_device_cleanup(struct poseidon *);
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int pd_dvb_get_adapter_num(struct pd_dvb_adapter *);
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void dvb_stop_streaming(struct pd_dvb_adapter *);
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/* FM */
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int poseidon_fm_init(struct poseidon *);
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int poseidon_fm_exit(struct poseidon *);
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struct video_device *vdev_init(struct poseidon *, struct video_device *);
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/* vendor command ops */
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int send_set_req(struct poseidon*, u8, s32, s32*);
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int send_get_req(struct poseidon*, u8, s32, void*, s32*, s32);
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s32 set_tuner_mode(struct poseidon*, unsigned char);
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/* bulk urb alloc/free */
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int alloc_bulk_urbs_generic(struct urb **urb_array, int num,
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struct usb_device *udev, u8 ep_addr,
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int buf_size, gfp_t gfp_flags,
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usb_complete_t complete_fn, void *context);
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void free_all_urb_generic(struct urb **urb_array, int num);
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/* misc */
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void poseidon_delete(struct kref *kref);
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void destroy_video_device(struct video_device **v_dev);
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extern int debug_mode;
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void set_debug_mode(struct video_device *vfd, int debug_mode);
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#ifdef CONFIG_PM
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#define in_hibernation(pd) (pd->msg.event == PM_EVENT_FREEZE)
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#else
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#define in_hibernation(pd) (0)
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#endif
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#define get_pm_count(p) (atomic_read(&(p)->interface->pm_usage_cnt))
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#define log(a, ...) printk(KERN_DEBUG "\t[ %s : %.3d ] "a"\n", \
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__func__, __LINE__, ## __VA_ARGS__)
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/* for power management */
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#define logpm(pd) do {\
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if (debug_mode & 0x10)\
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log();\
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} while (0)
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#define logs(f) do { \
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if ((debug_mode & 0x4) && \
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(f)->type == V4L2_BUF_TYPE_VBI_CAPTURE) \
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log("type : VBI");\
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\
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if ((debug_mode & 0x8) && \
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(f)->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) \
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log("type : VIDEO");\
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} while (0)
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#endif
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