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5b3f03f0 HS |
1 | #ifndef PD_COMMON_H |
2 | #define PD_COMMON_H | |
3 | ||
4 | #include <linux/version.h> | |
5 | #include <linux/fs.h> | |
6 | #include <linux/wait.h> | |
7 | #include <linux/list.h> | |
8 | #include <linux/videodev2.h> | |
9 | #include <linux/semaphore.h> | |
10 | #include <linux/usb.h> | |
11 | #include <linux/poll.h> | |
12 | #include <media/videobuf-vmalloc.h> | |
13 | #include <media/v4l2-device.h> | |
14 | ||
15 | #include "dvb_frontend.h" | |
16 | #include "dvbdev.h" | |
17 | #include "dvb_demux.h" | |
18 | #include "dmxdev.h" | |
19 | ||
20 | #define SBUF_NUM 8 | |
21 | #define MAX_BUFFER_NUM 6 | |
22 | #define PK_PER_URB 32 | |
23 | #define ISO_PKT_SIZE 3072 | |
24 | ||
25 | #define POSEIDON_STATE_NONE (0x0000) | |
26 | #define POSEIDON_STATE_ANALOG (0x0001) | |
27 | #define POSEIDON_STATE_FM (0x0002) | |
28 | #define POSEIDON_STATE_DVBT (0x0004) | |
29 | #define POSEIDON_STATE_VBI (0x0008) | |
30 | #define POSEIDON_STATE_DISCONNECT (0x0080) | |
31 | ||
32 | #define PM_SUSPEND_DELAY 3 | |
33 | ||
34 | #define V4L_PAL_VBI_LINES 18 | |
35 | #define V4L_NTSC_VBI_LINES 12 | |
36 | #define V4L_PAL_VBI_FRAMESIZE (V4L_PAL_VBI_LINES * 1440 * 2) | |
37 | #define V4L_NTSC_VBI_FRAMESIZE (V4L_NTSC_VBI_LINES * 1440 * 2) | |
38 | ||
39 | #define TUNER_FREQ_MIN (45000000) | |
40 | #define TUNER_FREQ_MAX (862000000) | |
41 | ||
42 | struct vbi_data { | |
43 | struct video_device *v_dev; | |
44 | struct video_data *video; | |
45 | struct front_face *front; | |
46 | ||
47 | unsigned int copied; | |
48 | unsigned int vbi_size; /* the whole size of two fields */ | |
49 | int users; | |
50 | }; | |
51 | ||
52 | /* | |
53 | * This is the running context of the video, it is useful for | |
54 | * resume() | |
55 | */ | |
56 | struct running_context { | |
57 | u32 freq; /* VIDIOC_S_FREQUENCY */ | |
58 | int audio_idx; /* VIDIOC_S_TUNER */ | |
59 | v4l2_std_id tvnormid; /* VIDIOC_S_STD */ | |
60 | int sig_index; /* VIDIOC_S_INPUT */ | |
61 | struct v4l2_pix_format pix; /* VIDIOC_S_FMT */ | |
62 | }; | |
63 | ||
64 | struct video_data { | |
65 | /* v4l2 video device */ | |
66 | struct video_device *v_dev; | |
67 | ||
68 | /* the working context */ | |
69 | struct running_context context; | |
70 | ||
71 | /* for data copy */ | |
72 | int field_count; | |
73 | ||
74 | char *dst; | |
75 | int lines_copied; | |
76 | int prev_left; | |
77 | ||
78 | int lines_per_field; | |
79 | int lines_size; | |
80 | ||
81 | /* for communication */ | |
82 | u8 endpoint_addr; | |
83 | struct urb *urb_array[SBUF_NUM]; | |
84 | struct vbi_data *vbi; | |
85 | struct poseidon *pd; | |
86 | struct front_face *front; | |
87 | ||
88 | int is_streaming; | |
89 | int users; | |
90 | ||
91 | /* for bubble handler */ | |
92 | struct work_struct bubble_work; | |
93 | }; | |
94 | ||
95 | enum pcm_stream_state { | |
96 | STREAM_OFF, | |
97 | STREAM_ON, | |
98 | STREAM_SUSPEND, | |
99 | }; | |
100 | ||
101 | #define AUDIO_BUFS (3) | |
102 | #define CAPTURE_STREAM_EN 1 | |
103 | struct poseidon_audio { | |
104 | struct urb *urb_array[AUDIO_BUFS]; | |
105 | unsigned int copied_position; | |
106 | struct snd_pcm_substream *capture_pcm_substream; | |
107 | ||
108 | unsigned int rcv_position; | |
109 | struct snd_card *card; | |
110 | int card_close; | |
111 | ||
112 | int users; | |
113 | int pm_state; | |
114 | enum pcm_stream_state capture_stream; | |
115 | }; | |
116 | ||
117 | struct radio_data { | |
118 | __u32 fm_freq; | |
119 | int users; | |
120 | unsigned int is_radio_streaming; | |
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*/ | |
143 | struct dvb_frontend_parameters fe_param; | |
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; | |
188 | int country_code; | |
189 | struct file *file_for_stream; /* the active stream*/ | |
190 | ||
191 | #ifdef CONFIG_PM | |
192 | int (*pm_suspend)(struct poseidon *); | |
193 | int (*pm_resume)(struct poseidon *); | |
194 | pm_message_t msg; | |
195 | ||
196 | struct work_struct pm_work; | |
197 | u8 portnum; | |
198 | #endif | |
199 | }; | |
200 | ||
201 | struct poseidon_format { | |
202 | char *name; | |
203 | int fourcc; /* video4linux 2 */ | |
204 | int depth; /* bit/pixel */ | |
205 | int flags; | |
206 | }; | |
207 | ||
208 | struct poseidon_tvnorm { | |
209 | v4l2_std_id v4l2_id; | |
210 | char name[12]; | |
211 | u32 tlg_tvnorm; | |
212 | }; | |
213 | ||
214 | /* video */ | |
215 | int pd_video_init(struct poseidon *); | |
216 | void pd_video_exit(struct poseidon *); | |
217 | int stop_all_video_stream(struct poseidon *); | |
218 | ||
219 | /* alsa audio */ | |
220 | int poseidon_audio_init(struct poseidon *); | |
221 | int poseidon_audio_free(struct poseidon *); | |
222 | #ifdef CONFIG_PM | |
223 | int pm_alsa_suspend(struct poseidon *); | |
224 | int pm_alsa_resume(struct poseidon *); | |
225 | #endif | |
226 | ||
227 | /* dvb */ | |
228 | int pd_dvb_usb_device_init(struct poseidon *); | |
229 | void pd_dvb_usb_device_exit(struct poseidon *); | |
230 | void pd_dvb_usb_device_cleanup(struct poseidon *); | |
231 | int pd_dvb_get_adapter_num(struct pd_dvb_adapter *); | |
232 | void dvb_stop_streaming(struct pd_dvb_adapter *); | |
233 | ||
234 | /* FM */ | |
235 | int poseidon_fm_init(struct poseidon *); | |
236 | int poseidon_fm_exit(struct poseidon *); | |
237 | struct video_device *vdev_init(struct poseidon *, struct video_device *); | |
238 | ||
239 | /* vendor command ops */ | |
240 | int send_set_req(struct poseidon*, u8, s32, s32*); | |
241 | int send_get_req(struct poseidon*, u8, s32, void*, s32*, s32); | |
242 | s32 set_tuner_mode(struct poseidon*, unsigned char); | |
243 | enum tlg__analog_audio_standard get_audio_std(s32, s32); | |
244 | ||
245 | /* bulk urb alloc/free */ | |
246 | int alloc_bulk_urbs_generic(struct urb **urb_array, int num, | |
247 | struct usb_device *udev, u8 ep_addr, | |
248 | int buf_size, gfp_t gfp_flags, | |
249 | usb_complete_t complete_fn, void *context); | |
250 | void free_all_urb_generic(struct urb **urb_array, int num); | |
251 | ||
252 | /* misc */ | |
253 | void poseidon_delete(struct kref *kref); | |
254 | void destroy_video_device(struct video_device **v_dev); | |
255 | extern int country_code; | |
256 | extern int debug_mode; | |
257 | void set_debug_mode(struct video_device *vfd, int debug_mode); | |
258 | ||
259 | #define in_hibernation(pd) (pd->msg.event == PM_EVENT_FREEZE) | |
260 | #define get_pm_count(p) (atomic_read(&(p)->interface->pm_usage_cnt)) | |
261 | ||
262 | #define log(a, ...) printk(KERN_DEBUG "\t[ %s : %.3d ] "a"\n", \ | |
263 | __func__, __LINE__, ## __VA_ARGS__) | |
264 | ||
265 | /* for power management */ | |
266 | #define logpm(pd) do {\ | |
267 | if (debug_mode & 0x10)\ | |
268 | log();\ | |
269 | } while (0) | |
270 | ||
271 | #define logs(f) do { \ | |
272 | if ((debug_mode & 0x4) && \ | |
273 | (f)->type == V4L2_BUF_TYPE_VBI_CAPTURE) \ | |
274 | log("type : VBI");\ | |
275 | \ | |
276 | if ((debug_mode & 0x8) && \ | |
277 | (f)->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) \ | |
278 | log("type : VIDEO");\ | |
279 | } while (0) | |
280 | #endif |