Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 1 | #ifndef PD_COMMON_H |
| 2 | #define PD_COMMON_H |
| 3 | |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 4 | #include <linux/fs.h> |
| 5 | #include <linux/wait.h> |
| 6 | #include <linux/list.h> |
| 7 | #include <linux/videodev2.h> |
| 8 | #include <linux/semaphore.h> |
| 9 | #include <linux/usb.h> |
| 10 | #include <linux/poll.h> |
| 11 | #include <media/videobuf-vmalloc.h> |
| 12 | #include <media/v4l2-device.h> |
| 13 | |
| 14 | #include "dvb_frontend.h" |
| 15 | #include "dvbdev.h" |
| 16 | #include "dvb_demux.h" |
| 17 | #include "dmxdev.h" |
| 18 | |
| 19 | #define SBUF_NUM 8 |
| 20 | #define MAX_BUFFER_NUM 6 |
| 21 | #define PK_PER_URB 32 |
| 22 | #define ISO_PKT_SIZE 3072 |
| 23 | |
| 24 | #define POSEIDON_STATE_NONE (0x0000) |
| 25 | #define POSEIDON_STATE_ANALOG (0x0001) |
| 26 | #define POSEIDON_STATE_FM (0x0002) |
| 27 | #define POSEIDON_STATE_DVBT (0x0004) |
| 28 | #define POSEIDON_STATE_VBI (0x0008) |
| 29 | #define POSEIDON_STATE_DISCONNECT (0x0080) |
| 30 | |
| 31 | #define PM_SUSPEND_DELAY 3 |
| 32 | |
| 33 | #define V4L_PAL_VBI_LINES 18 |
| 34 | #define V4L_NTSC_VBI_LINES 12 |
| 35 | #define V4L_PAL_VBI_FRAMESIZE (V4L_PAL_VBI_LINES * 1440 * 2) |
| 36 | #define V4L_NTSC_VBI_FRAMESIZE (V4L_NTSC_VBI_LINES * 1440 * 2) |
| 37 | |
| 38 | #define TUNER_FREQ_MIN (45000000) |
| 39 | #define TUNER_FREQ_MAX (862000000) |
| 40 | |
| 41 | struct vbi_data { |
| 42 | struct video_device *v_dev; |
| 43 | struct video_data *video; |
| 44 | struct front_face *front; |
| 45 | |
| 46 | unsigned int copied; |
| 47 | unsigned int vbi_size; /* the whole size of two fields */ |
| 48 | int users; |
| 49 | }; |
| 50 | |
| 51 | /* |
| 52 | * This is the running context of the video, it is useful for |
| 53 | * resume() |
| 54 | */ |
| 55 | struct running_context { |
| 56 | u32 freq; /* VIDIOC_S_FREQUENCY */ |
| 57 | int audio_idx; /* VIDIOC_S_TUNER */ |
| 58 | v4l2_std_id tvnormid; /* VIDIOC_S_STD */ |
| 59 | int sig_index; /* VIDIOC_S_INPUT */ |
| 60 | struct v4l2_pix_format pix; /* VIDIOC_S_FMT */ |
| 61 | }; |
| 62 | |
| 63 | struct video_data { |
| 64 | /* v4l2 video device */ |
| 65 | struct video_device *v_dev; |
| 66 | |
| 67 | /* the working context */ |
| 68 | struct running_context context; |
| 69 | |
| 70 | /* for data copy */ |
| 71 | int field_count; |
| 72 | |
| 73 | char *dst; |
| 74 | int lines_copied; |
| 75 | int prev_left; |
| 76 | |
| 77 | int lines_per_field; |
| 78 | int lines_size; |
| 79 | |
| 80 | /* for communication */ |
| 81 | u8 endpoint_addr; |
| 82 | struct urb *urb_array[SBUF_NUM]; |
| 83 | struct vbi_data *vbi; |
| 84 | struct poseidon *pd; |
| 85 | struct front_face *front; |
| 86 | |
| 87 | int is_streaming; |
| 88 | int users; |
| 89 | |
| 90 | /* for bubble handler */ |
| 91 | struct work_struct bubble_work; |
| 92 | }; |
| 93 | |
| 94 | enum pcm_stream_state { |
| 95 | STREAM_OFF, |
| 96 | STREAM_ON, |
| 97 | STREAM_SUSPEND, |
| 98 | }; |
| 99 | |
| 100 | #define AUDIO_BUFS (3) |
| 101 | #define CAPTURE_STREAM_EN 1 |
| 102 | struct poseidon_audio { |
| 103 | struct urb *urb_array[AUDIO_BUFS]; |
| 104 | unsigned int copied_position; |
| 105 | struct snd_pcm_substream *capture_pcm_substream; |
| 106 | |
| 107 | unsigned int rcv_position; |
| 108 | struct snd_card *card; |
| 109 | int card_close; |
| 110 | |
| 111 | int users; |
| 112 | int pm_state; |
| 113 | enum pcm_stream_state capture_stream; |
| 114 | }; |
| 115 | |
| 116 | struct radio_data { |
| 117 | __u32 fm_freq; |
| 118 | int users; |
| 119 | unsigned int is_radio_streaming; |
Huang Shijie | 007ad83 | 2010-02-11 03:53:51 -0300 | [diff] [blame] | 120 | int pre_emphasis; |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 121 | struct video_device *fm_dev; |
| 122 | }; |
| 123 | |
| 124 | #define DVB_SBUF_NUM 4 |
| 125 | #define DVB_URB_BUF_SIZE 0x2000 |
| 126 | struct pd_dvb_adapter { |
| 127 | struct dvb_adapter dvb_adap; |
| 128 | struct dvb_frontend dvb_fe; |
| 129 | struct dmxdev dmxdev; |
| 130 | struct dvb_demux demux; |
| 131 | |
| 132 | atomic_t users; |
| 133 | atomic_t active_feed; |
| 134 | |
| 135 | /* data transfer */ |
| 136 | s32 is_streaming; |
| 137 | struct urb *urb_array[DVB_SBUF_NUM]; |
| 138 | struct poseidon *pd_device; |
| 139 | u8 ep_addr; |
| 140 | u8 reserved[3]; |
| 141 | |
| 142 | /* data for power resume*/ |
Mauro Carvalho Chehab | 2827e1f | 2011-12-26 16:40:17 -0300 | [diff] [blame] | 143 | struct dtv_frontend_properties fe_param; |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 144 | |
| 145 | /* for channel scanning */ |
| 146 | int prev_freq; |
| 147 | int bandwidth; |
| 148 | unsigned long last_jiffies; |
| 149 | }; |
| 150 | |
| 151 | struct front_face { |
| 152 | /* use this field to distinguish VIDEO and VBI */ |
| 153 | enum v4l2_buf_type type; |
| 154 | |
| 155 | /* for host */ |
| 156 | struct videobuf_queue q; |
| 157 | |
| 158 | /* the bridge for host and device */ |
| 159 | struct videobuf_buffer *curr_frame; |
| 160 | |
| 161 | /* for device */ |
| 162 | spinlock_t queue_lock; |
| 163 | struct list_head active; |
| 164 | struct poseidon *pd; |
| 165 | }; |
| 166 | |
| 167 | struct poseidon { |
| 168 | struct list_head device_list; |
| 169 | |
| 170 | struct mutex lock; |
| 171 | struct kref kref; |
| 172 | |
| 173 | /* for V4L2 */ |
| 174 | struct v4l2_device v4l2_dev; |
| 175 | |
| 176 | /* hardware info */ |
| 177 | struct usb_device *udev; |
| 178 | struct usb_interface *interface; |
| 179 | int cur_transfer_mode; |
| 180 | |
| 181 | struct video_data video_data; /* video */ |
| 182 | struct vbi_data vbi_data; /* vbi */ |
| 183 | struct poseidon_audio audio; /* audio (alsa) */ |
| 184 | struct radio_data radio_data; /* FM */ |
| 185 | struct pd_dvb_adapter dvb_data; /* DVB */ |
| 186 | |
| 187 | u32 state; |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 188 | struct file *file_for_stream; /* the active stream*/ |
| 189 | |
| 190 | #ifdef CONFIG_PM |
| 191 | int (*pm_suspend)(struct poseidon *); |
| 192 | int (*pm_resume)(struct poseidon *); |
| 193 | pm_message_t msg; |
| 194 | |
| 195 | struct work_struct pm_work; |
| 196 | u8 portnum; |
| 197 | #endif |
| 198 | }; |
| 199 | |
| 200 | struct poseidon_format { |
| 201 | char *name; |
| 202 | int fourcc; /* video4linux 2 */ |
| 203 | int depth; /* bit/pixel */ |
| 204 | int flags; |
| 205 | }; |
| 206 | |
| 207 | struct poseidon_tvnorm { |
| 208 | v4l2_std_id v4l2_id; |
| 209 | char name[12]; |
| 210 | u32 tlg_tvnorm; |
| 211 | }; |
| 212 | |
| 213 | /* video */ |
| 214 | int pd_video_init(struct poseidon *); |
| 215 | void pd_video_exit(struct poseidon *); |
| 216 | int stop_all_video_stream(struct poseidon *); |
| 217 | |
| 218 | /* alsa audio */ |
| 219 | int poseidon_audio_init(struct poseidon *); |
| 220 | int poseidon_audio_free(struct poseidon *); |
| 221 | #ifdef CONFIG_PM |
| 222 | int pm_alsa_suspend(struct poseidon *); |
| 223 | int pm_alsa_resume(struct poseidon *); |
| 224 | #endif |
| 225 | |
| 226 | /* dvb */ |
| 227 | int pd_dvb_usb_device_init(struct poseidon *); |
| 228 | void pd_dvb_usb_device_exit(struct poseidon *); |
| 229 | void pd_dvb_usb_device_cleanup(struct poseidon *); |
| 230 | int pd_dvb_get_adapter_num(struct pd_dvb_adapter *); |
| 231 | void dvb_stop_streaming(struct pd_dvb_adapter *); |
| 232 | |
| 233 | /* FM */ |
| 234 | int poseidon_fm_init(struct poseidon *); |
| 235 | int poseidon_fm_exit(struct poseidon *); |
| 236 | struct video_device *vdev_init(struct poseidon *, struct video_device *); |
| 237 | |
| 238 | /* vendor command ops */ |
| 239 | int send_set_req(struct poseidon*, u8, s32, s32*); |
| 240 | int send_get_req(struct poseidon*, u8, s32, void*, s32*, s32); |
| 241 | s32 set_tuner_mode(struct poseidon*, unsigned char); |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 242 | |
| 243 | /* bulk urb alloc/free */ |
| 244 | int alloc_bulk_urbs_generic(struct urb **urb_array, int num, |
| 245 | struct usb_device *udev, u8 ep_addr, |
| 246 | int buf_size, gfp_t gfp_flags, |
| 247 | usb_complete_t complete_fn, void *context); |
| 248 | void free_all_urb_generic(struct urb **urb_array, int num); |
| 249 | |
| 250 | /* misc */ |
| 251 | void poseidon_delete(struct kref *kref); |
| 252 | void destroy_video_device(struct video_device **v_dev); |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 253 | extern int debug_mode; |
| 254 | void set_debug_mode(struct video_device *vfd, int debug_mode); |
| 255 | |
Randy Dunlap | 08cf8a5 | 2010-02-12 18:02:29 -0300 | [diff] [blame] | 256 | #ifdef CONFIG_PM |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 257 | #define in_hibernation(pd) (pd->msg.event == PM_EVENT_FREEZE) |
Randy Dunlap | 08cf8a5 | 2010-02-12 18:02:29 -0300 | [diff] [blame] | 258 | #else |
| 259 | #define in_hibernation(pd) (0) |
| 260 | #endif |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 261 | #define get_pm_count(p) (atomic_read(&(p)->interface->pm_usage_cnt)) |
| 262 | |
| 263 | #define log(a, ...) printk(KERN_DEBUG "\t[ %s : %.3d ] "a"\n", \ |
| 264 | __func__, __LINE__, ## __VA_ARGS__) |
| 265 | |
| 266 | /* for power management */ |
| 267 | #define logpm(pd) do {\ |
| 268 | if (debug_mode & 0x10)\ |
| 269 | log();\ |
| 270 | } while (0) |
| 271 | |
| 272 | #define logs(f) do { \ |
| 273 | if ((debug_mode & 0x4) && \ |
| 274 | (f)->type == V4L2_BUF_TYPE_VBI_CAPTURE) \ |
| 275 | log("type : VBI");\ |
| 276 | \ |
| 277 | if ((debug_mode & 0x8) && \ |
| 278 | (f)->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) \ |
| 279 | log("type : VIDEO");\ |
| 280 | } while (0) |
| 281 | #endif |