1#include <stdbool.h> 2#include <alsa/asoundlib.h> 3 4#define LOCK_TIMEOUT 10 5 6extern int debugflag; 7extern int force_restore; 8extern int ignore_nocards; 9extern int do_lock; 10extern int use_syslog; 11extern char *command; 12extern char *statefile; 13extern char *lockpath; 14extern char *lockfile; 15 16struct snd_card_iterator { 17 int card; 18 char name[16]; 19 bool single; 20 bool first; 21}; 22 23void info_(const char *fcn, long line, const char *fmt, ...); 24void error_(const char *fcn, long line, const char *fmt, ...); 25void cerror_(const char *fcn, long line, int cond, const char *fmt, ...); 26void dbg_(const char *fcn, long line, const char *fmt, ...); 27void error_handler(const char *file, int line, const char *function, int err, const char *fmt, ...); 28 29#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) 30#define info(...) do { info_(__func__, __LINE__, __VA_ARGS__); } while (0) 31#define error(...) do { error_(__func__, __LINE__, __VA_ARGS__); } while (0) 32#define cerror(cond, ...) do { cerror_(__func__, __LINE__, (cond) != 0, __VA_ARGS__); } while (0) 33#define dbg(...) do { dbg_(__func__, __LINE__, __VA_ARGS__); } while (0) 34#else 35#define info(args...) do { info_(__func__, __LINE__, ##args); } while (0) 36#define error(args...) do { error_(__func__, __LINE__, ##args); } while (0) 37#define cerror(cond, ...) do { error_(__func__, __LINE__, (cond) != 0, ##args); } while (0) 38#define dbg(args...) do { dbg_(__func__, __LINE__, ##args); } while (0) 39#endif 40 41#define FLAG_UCM_DISABLED (1<<0) 42#define FLAG_UCM_FBOOT (1<<1) 43#define FLAG_UCM_BOOT (1<<2) 44#define FLAG_UCM_DEFAULTS (1<<3) 45#define FLAG_UCM_NODEV (1<<4) 46 47void snd_card_iterator_init(struct snd_card_iterator *iter, int cardno); 48int snd_card_iterator_sinit(struct snd_card_iterator *iter, const char *cardname); 49const char *snd_card_iterator_next(struct snd_card_iterator *iter); 50int snd_card_iterator_error(struct snd_card_iterator *iter); 51 52int load_configuration(const char *file, snd_config_t **top, int *open_failed); 53int init(const char *cfgdir, const char *file, int flags, const char *cardname); 54int init_ucm(int flags, int cardno); 55int state_lock(const char *file, int timeout); 56int state_unlock(int lock_fd, const char *file); 57int card_lock(int card_number, int timeout); 58int card_unlock(int lock_fd, int card_number); 59int save_state(const char *file, const char *cardname); 60int load_state(const char *cfgdir, const char *file, 61 const char *initfile, int initflags, 62 const char *cardname, int do_init); 63int power(const char *argv[], int argc); 64int monitor(const char *name); 65int general_info(const char *name); 66int state_daemon(const char *file, const char *cardname, int period, 67 const char *pidfile); 68int state_daemon_kill(const char *pidfile, const char *cmd); 69int clean(const char *cardname, char *const *extra_args); 70int snd_card_clean_cfgdir(const char *cfgdir, int cardno); 71 72/* utils */ 73 74int file_map(const char *filename, char **buf, size_t *bufsize); 75void file_unmap(void *buf, size_t bufsize); 76size_t line_width(const char *buf, size_t bufsize, size_t pos); 77void initfailed(int cardnumber, const char *reason, int exitcode); 78 79static inline int hextodigit(int c) 80{ 81 if (c >= '0' && c <= '9') 82 c -= '0'; 83 else if (c >= 'a' && c <= 'f') 84 c = c - 'a' + 10; 85 else if (c >= 'A' && c <= 'F') 86 c = c - 'A' + 10; 87 else 88 return -1; 89 return c; 90} 91 92#define ARRAY_SIZE(a) (sizeof (a) / sizeof (a)[0]) 93