diff options
Diffstat (limited to 'drivers/media/usb/tlg2300/pd-common.h')
| -rw-r--r-- | drivers/media/usb/tlg2300/pd-common.h | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/drivers/media/usb/tlg2300/pd-common.h b/drivers/media/usb/tlg2300/pd-common.h new file mode 100644 index 000000000000..5dd73b7857d1 --- /dev/null +++ b/drivers/media/usb/tlg2300/pd-common.h @@ -0,0 +1,281 @@ +#ifndef PD_COMMON_H +#define PD_COMMON_H + +#include <linux/fs.h> +#include <linux/wait.h> +#include <linux/list.h> +#include <linux/videodev2.h> +#include <linux/semaphore.h> +#include <linux/usb.h> +#include <linux/poll.h> +#include <media/videobuf-vmalloc.h> +#include <media/v4l2-device.h> + +#include "dvb_frontend.h" +#include "dvbdev.h" +#include "dvb_demux.h" +#include "dmxdev.h" + +#define SBUF_NUM 8 +#define MAX_BUFFER_NUM 6 +#define PK_PER_URB 32 +#define ISO_PKT_SIZE 3072 + +#define POSEIDON_STATE_NONE (0x0000) +#define POSEIDON_STATE_ANALOG (0x0001) +#define POSEIDON_STATE_FM (0x0002) +#define POSEIDON_STATE_DVBT (0x0004) +#define POSEIDON_STATE_VBI (0x0008) +#define POSEIDON_STATE_DISCONNECT (0x0080) + +#define PM_SUSPEND_DELAY 3 + +#define V4L_PAL_VBI_LINES 18 +#define V4L_NTSC_VBI_LINES 12 +#define V4L_PAL_VBI_FRAMESIZE (V4L_PAL_VBI_LINES * 1440 * 2) +#define V4L_NTSC_VBI_FRAMESIZE (V4L_NTSC_VBI_LINES * 1440 * 2) + +#define TUNER_FREQ_MIN (45000000) +#define TUNER_FREQ_MAX (862000000) + +struct vbi_data { + struct video_device *v_dev; + struct video_data *video; + struct front_face *front; + + unsigned int copied; + unsigned int vbi_size; /* the whole size of two fields */ + int users; +}; + +/* + * This is the running context of the video, it is useful for + * resume() + */ +struct running_context { + u32 freq; /* VIDIOC_S_FREQUENCY */ + int audio_idx; /* VIDIOC_S_TUNER */ + v4l2_std_id tvnormid; /* VIDIOC_S_STD */ + int sig_index; /* VIDIOC_S_INPUT */ + struct v4l2_pix_format pix; /* VIDIOC_S_FMT */ +}; + +struct video_data { + /* v4l2 video device */ + struct video_device *v_dev; + + /* the working context */ + struct running_context context; + + /* for data copy */ + int field_count; + + char *dst; + int lines_copied; + int prev_left; + + int lines_per_field; + int lines_size; + + /* for communication */ + u8 endpoint_addr; + struct urb *urb_array[SBUF_NUM]; + struct vbi_data *vbi; + struct poseidon *pd; + struct front_face *front; + + int is_streaming; + int users; + + /* for bubble handler */ + struct work_struct bubble_work; +}; + +enum pcm_stream_state { + STREAM_OFF, + STREAM_ON, + STREAM_SUSPEND, +}; + +#define AUDIO_BUFS (3) +#define CAPTURE_STREAM_EN 1 +struct poseidon_audio { + struct urb *urb_array[AUDIO_BUFS]; + unsigned int copied_position; + struct snd_pcm_substream *capture_pcm_substream; + + unsigned int rcv_position; + struct snd_card *card; + int card_close; + + int users; + int pm_state; + enum pcm_stream_state capture_stream; +}; + +struct radio_data { + __u32 fm_freq; + int users; + unsigned int is_radio_streaming; + int pre_emphasis; + struct video_device *fm_dev; +}; + +#define DVB_SBUF_NUM 4 +#define DVB_URB_BUF_SIZE 0x2000 +struct pd_dvb_adapter { + struct dvb_adapter dvb_adap; + struct dvb_frontend dvb_fe; + struct dmxdev dmxdev; + struct dvb_demux demux; + + atomic_t users; + atomic_t active_feed; + + /* data transfer */ + s32 is_streaming; + struct urb *urb_array[DVB_SBUF_NUM]; + struct poseidon *pd_device; + u8 ep_addr; + u8 reserved[3]; + + /* data for power resume*/ + struct dtv_frontend_properties fe_param; + + /* for channel scanning */ + int prev_freq; + int bandwidth; + unsigned long last_jiffies; +}; + +struct front_face { + /* use this field to distinguish VIDEO and VBI */ + enum v4l2_buf_type type; + + /* for host */ + struct videobuf_queue q; + + /* the bridge for host and device */ + struct videobuf_buffer *curr_frame; + + /* for device */ + spinlock_t queue_lock; + struct list_head active; + struct poseidon *pd; +}; + +struct poseidon { + struct list_head device_list; + + struct mutex lock; + struct kref kref; + + /* for V4L2 */ + struct v4l2_device v4l2_dev; + + /* hardware info */ + struct usb_device *udev; + struct usb_interface *interface; + int cur_transfer_mode; + + struct video_data video_data; /* video */ + struct vbi_data vbi_data; /* vbi */ + struct poseidon_audio audio; /* audio (alsa) */ + struct radio_data radio_data; /* FM */ + struct pd_dvb_adapter dvb_data; /* DVB */ + + u32 state; + struct file *file_for_stream; /* the active stream*/ + +#ifdef CONFIG_PM + int (*pm_suspend)(struct poseidon *); + int (*pm_resume)(struct poseidon *); + pm_message_t msg; + + struct work_struct pm_work; + u8 portnum; +#endif +}; + +struct poseidon_format { + char *name; + int fourcc; /* video4linux 2 */ + int depth; /* bit/pixel */ + int flags; +}; + +struct poseidon_tvnorm { + v4l2_std_id v4l2_id; + char name[12]; + u32 tlg_tvnorm; +}; + +/* video */ +int pd_video_init(struct poseidon *); +void pd_video_exit(struct poseidon *); +int stop_all_video_stream(struct poseidon *); + +/* alsa audio */ +int poseidon_audio_init(struct poseidon *); +int poseidon_audio_free(struct poseidon *); +#ifdef CONFIG_PM +int pm_alsa_suspend(struct poseidon *); +int pm_alsa_resume(struct poseidon *); +#endif + +/* dvb */ +int pd_dvb_usb_device_init(struct poseidon *); +void pd_dvb_usb_device_exit(struct poseidon *); +void pd_dvb_usb_device_cleanup(struct poseidon *); +int pd_dvb_get_adapter_num(struct pd_dvb_adapter *); +void dvb_stop_streaming(struct pd_dvb_adapter *); + +/* FM */ +int poseidon_fm_init(struct poseidon *); +int poseidon_fm_exit(struct poseidon *); +struct video_device *vdev_init(struct poseidon *, struct video_device *); + +/* vendor command ops */ +int send_set_req(struct poseidon*, u8, s32, s32*); +int send_get_req(struct poseidon*, u8, s32, void*, s32*, s32); +s32 set_tuner_mode(struct poseidon*, unsigned char); + +/* bulk urb alloc/free */ +int alloc_bulk_urbs_generic(struct urb **urb_array, int num, + struct usb_device *udev, u8 ep_addr, + int buf_size, gfp_t gfp_flags, + usb_complete_t complete_fn, void *context); +void free_all_urb_generic(struct urb **urb_array, int num); + +/* misc */ +void poseidon_delete(struct kref *kref); +void destroy_video_device(struct video_device **v_dev); +extern int debug_mode; +void set_debug_mode(struct video_device *vfd, int debug_mode); + +#ifdef CONFIG_PM +#define in_hibernation(pd) (pd->msg.event == PM_EVENT_FREEZE) +#else +#define in_hibernation(pd) (0) +#endif +#define get_pm_count(p) (atomic_read(&(p)->interface->pm_usage_cnt)) + +#define log(a, ...) printk(KERN_DEBUG "\t[ %s : %.3d ] "a"\n", \ + __func__, __LINE__, ## __VA_ARGS__) + +/* for power management */ +#define logpm(pd) do {\ + if (debug_mode & 0x10)\ + log();\ + } while (0) + +#define logs(f) do { \ + if ((debug_mode & 0x4) && \ + (f)->type == V4L2_BUF_TYPE_VBI_CAPTURE) \ + log("type : VBI");\ + \ + if ((debug_mode & 0x8) && \ + (f)->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) \ + log("type : VIDEO");\ + } while (0) +#endif |