Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 #ifndef _AV7110_H_
  2 #define _AV7110_H_
  3 
  4 #include <linux/interrupt.h>
  5 #include <linux/socket.h>
  6 #include <linux/netdevice.h>
  7 #include <linux/i2c.h>
  8 
  9 #ifdef CONFIG_DEVFS_FS
 10 #include <linux/devfs_fs_kernel.h>
 11 #endif
 12 
 13 #include <linux/dvb/video.h>
 14 #include <linux/dvb/audio.h>
 15 #include <linux/dvb/dmx.h>
 16 #include <linux/dvb/ca.h>
 17 #include <linux/dvb/osd.h>
 18 #include <linux/dvb/net.h>
 19 
 20 #include "dvbdev.h"
 21 #include "demux.h"
 22 #include "dvb_demux.h"
 23 #include "dmxdev.h"
 24 #include "dvb_filter.h"
 25 #include "dvb_net.h"
 26 #include "dvb_ringbuffer.h"
 27 #include "dvb_frontend.h"
 28 #include "ves1820.h"
 29 #include "ves1x93.h"
 30 #include "stv0299.h"
 31 #include "tda8083.h"
 32 #include "sp8870.h"
 33 #include "stv0297.h"
 34 
 35 #include <media/saa7146_vv.h>
 36 
 37 
 38 #define ANALOG_TUNER_VES1820 1
 39 #define ANALOG_TUNER_STV0297 2
 40 #define ANALOG_TUNER_VBI     0x100
 41 
 42 extern int av7110_debug;
 43 
 44 #define dprintk(level,args...) \
 45             do { if ((av7110_debug & level)) { printk("dvb-ttpci: %s(): ", __FUNCTION__); printk(args); } } while (0)
 46 
 47 #define MAXFILT 32
 48 
 49 enum {AV_PES_STREAM, PS_STREAM, TS_STREAM, PES_STREAM};
 50 
 51 struct av7110_p2t {
 52         u8                pes[TS_SIZE];
 53         u8                counter;
 54         long int          pos;
 55         int               frags;
 56         struct dvb_demux_feed *feed;
 57 };
 58 
 59 /* video MPEG decoder events: */
 60 /* (code copied from dvb_frontend.c, should maybe be factored out...) */
 61 #define MAX_VIDEO_EVENT 8
 62 struct dvb_video_events {
 63         struct video_event        events[MAX_VIDEO_EVENT];
 64         int                       eventw;
 65         int                       eventr;
 66         int                       overflow;
 67         wait_queue_head_t         wait_queue;
 68         spinlock_t                lock;
 69 };
 70 
 71 
 72 /* place to store all the necessary device information */
 73 struct av7110 {
 74 
 75         /* devices */
 76 
 77         struct dvb_device       dvb_dev;
 78         struct dvb_net               dvb_net;
 79 
 80         struct video_device     *v4l_dev;
 81         struct video_device     *vbi_dev;
 82 
 83         struct saa7146_dev      *dev;
 84 
 85         struct i2c_adapter      i2c_adap;
 86 
 87         char                    *card_name;
 88 
 89         /* support for analog module of dvb-c */
 90         int                     analog_tuner_flags;
 91         int                     current_input;
 92         u32                     current_freq;
 93                                 
 94         struct tasklet_struct   debi_tasklet;
 95         struct tasklet_struct   gpio_tasklet;
 96 
 97         int adac_type;         /* audio DAC type */
 98 #define DVB_ADAC_TI       0
 99 #define DVB_ADAC_CRYSTAL  1
100 #define DVB_ADAC_MSP      2
101 #define DVB_ADAC_NONE    -1
102 
103 
104         /* buffers */
105 
106         void                   *iobuf;   /* memory for all buffers */
107         struct dvb_ringbuffer        avout;   /* buffer for video or A/V mux */
108 #define AVOUTLEN (128*1024)
109         struct dvb_ringbuffer        aout;    /* buffer for audio */
110 #define AOUTLEN (64*1024)
111         void                   *bmpbuf;
112 #define BMPLEN (8*32768+1024)
113 
114         /* bitmap buffers and states */
115 
116         int                     bmpp;
117         int                     bmplen;
118         volatile int            bmp_state;
119 #define BMP_NONE     0
120 #define BMP_LOADING  1
121 #define BMP_LOADINGS 2
122 #define BMP_LOADED   3
123         wait_queue_head_t       bmpq;
124 
125 
126         /* DEBI and polled command interface */
127 
128         spinlock_t              debilock;
129         struct semaphore        dcomlock;
130         volatile int            debitype;
131         volatile int            debilen;
132 
133 
134         /* Recording and playback flags */
135 
136         int                     rec_mode;
137         int                     playing;
138 #define RP_NONE  0
139 #define RP_VIDEO 1
140 #define RP_AUDIO 2
141 #define RP_AV    3
142 
143 
144         /* OSD */
145 
146         int                     osdwin;      /* currently active window */
147         u16                     osdbpp[8];
148         struct semaphore        osd_sema;
149 
150         /* CA */
151 
152         ca_slot_info_t          ci_slot[2];
153 
154         int                     vidmode;
155         struct dmxdev           dmxdev;
156         struct dvb_demux             demux;
157 
158         struct dmx_frontend     hw_frontend;
159         struct dmx_frontend     mem_frontend;
160 
161         /* for budget mode demux1 */
162         struct dmxdev           dmxdev1;
163         struct dvb_demux        demux1;
164         struct dvb_net          dvb_net1;
165         spinlock_t              feedlock1;
166         int                     feeding1;
167         u8                      tsf;
168         u32                     ttbp;
169         unsigned char           *grabbing;
170         struct saa7146_pgtable  pt;
171         struct tasklet_struct   vpe_tasklet;
172 
173         int                     fe_synced; 
174         struct semaphore        pid_mutex;
175 
176         int                     video_blank;
177         struct video_status     videostate;
178         int                     display_ar;
179         int                     trickmode;
180 #define TRICK_NONE   0
181 #define TRICK_FAST   1
182 #define TRICK_SLOW   2
183 #define TRICK_FREEZE 3
184         struct audio_status      audiostate;
185 
186         struct dvb_demux_filter     *handle2filter[32];
187         struct av7110_p2t               p2t_filter[MAXFILT];
188         struct dvb_filter_pes2ts        p2t[2];
189         struct ipack                    ipack[2];
190         u8                     *kbuf[2];
191 
192         int sinfo;
193         int feeding;
194 
195         int arm_errors;
196         int registered;
197 
198 
199         /* AV711X */
200 
201         u32                 arm_fw;
202         u32                 arm_rtsl;
203         u32                 arm_vid;
204         u32                 arm_app;
205         u32                 avtype;
206         int                 arm_ready;
207         struct task_struct *arm_thread;
208         wait_queue_head_t   arm_wait;
209         u16                 arm_loops;
210         int                 arm_rmmod;
211 
212         void               *debi_virt;
213         dma_addr_t          debi_bus;
214 
215         u16                 pids[DMX_PES_OTHER];
216         
217         struct dvb_ringbuffer    ci_rbuffer;
218         struct dvb_ringbuffer    ci_wbuffer;
219 
220         struct audio_mixer      mixer;
221 
222         struct dvb_adapter       *dvb_adapter;
223         struct dvb_device        *video_dev;
224         struct dvb_device        *audio_dev;
225         struct dvb_device        *ca_dev;
226         struct dvb_device        *osd_dev;
227 
228         struct dvb_video_events  video_events;
229         video_size_t             video_size;
230 
231         u32                 ir_config;
232         
233         /* firmware stuff */
234         unsigned int device_initialized;
235 
236         unsigned char *bin_fw;
237         unsigned long size_fw;
238 
239         unsigned char *bin_dpram;
240         unsigned long size_dpram;
241 
242         unsigned char *bin_root;
243         unsigned long size_root;
244 
245         struct dvb_frontend* fe;
246         fe_status_t fe_status;
247         int (*fe_init)(struct dvb_frontend* fe);
248         int (*fe_read_status)(struct dvb_frontend* fe, fe_status_t* status);
249         int (*fe_diseqc_reset_overload)(struct dvb_frontend* fe);
250         int (*fe_diseqc_send_master_cmd)(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd);
251         int (*fe_diseqc_send_burst)(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd);
252         int (*fe_set_tone)(struct dvb_frontend* fe, fe_sec_tone_mode_t tone);
253         int (*fe_set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
254         int (*fe_dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned int cmd);
255         int (*fe_set_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
256 };
257 
258 
259 extern void ChangePIDs(struct av7110 *av7110, u16 vpid, u16 apid, u16 ttpid,
260                        u16 subpid, u16 pcrpid);
261 
262 extern void av7110_register_irc_handler(void (*func)(u32));
263 extern void av7110_unregister_irc_handler(void (*func)(u32)); 
264 extern void av7110_setup_irc_config (struct av7110 *av7110, u32 ir_config);
265 
266 extern int av7110_ir_init (void);
267 extern void av7110_ir_exit (void);
268 
269 /* msp3400 i2c subaddresses */
270 #define MSP_WR_DEM 0x10
271 #define MSP_RD_DEM 0x11
272 #define MSP_WR_DSP 0x12
273 #define MSP_RD_DSP 0x13
274 
275 extern int i2c_writereg(struct av7110 *av7110, u8 id, u8 reg, u8 val);
276 extern u8 i2c_readreg(struct av7110 *av7110, u8 id, u8 reg);
277 extern int msp_writereg(struct av7110 *av7110, u8 dev, u16 reg, u16 val);
278 extern int msp_readreg(struct av7110 *av7110, u8 dev, u16 reg, u16 *val);
279 
280 
281 extern int av7110_init_analog_module(struct av7110 *av7110);
282 extern int av7110_init_v4l(struct av7110 *av7110);
283 extern int av7110_exit_v4l(struct av7110 *av7110);
284 
285 #endif /* _AV7110_H_ */
286 
287 
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