43     HWVoiceOut hw;  member
52     HWVoiceIn hw;  member
120 static void oss_poll_out (HWVoiceOut *hw)  in oss_poll_out()  argument
122     OSSVoiceOut *oss = (OSSVoiceOut *) hw;  in oss_poll_out()
124     qemu_set_fd_handler(oss->fd, NULL, oss_helper_poll_out, hw->s);  in oss_poll_out()
127 static void oss_poll_in (HWVoiceIn *hw)  in oss_poll_in()  argument
129     OSSVoiceIn *oss = (OSSVoiceIn *) hw;  in oss_poll_in()
131     qemu_set_fd_handler(oss->fd, oss_helper_poll_in, NULL, hw->s);  in oss_poll_in()
381     return audio_ring_dist(cntinfo.ptr, oss->hw.pos_emul, oss->hw.size_emul);  in oss_get_available_bytes()
384 static void oss_run_buffer_out(HWVoiceOut *hw)  in oss_run_buffer_out()  argument
386     OSSVoiceOut *oss = (OSSVoiceOut *)hw;  in oss_run_buffer_out()
389         audio_generic_run_buffer_out(hw);  in oss_run_buffer_out()
393 static size_t oss_buffer_get_free(HWVoiceOut *hw)  in oss_buffer_get_free()  argument
395     OSSVoiceOut *oss = (OSSVoiceOut *)hw;  in oss_buffer_get_free()
400         return audio_generic_buffer_get_free(hw);  in oss_buffer_get_free()
404 static void *oss_get_buffer_out(HWVoiceOut *hw, size_t *size)  in oss_get_buffer_out()  argument
406     OSSVoiceOut *oss = (OSSVoiceOut *)hw;  in oss_get_buffer_out()
409         *size = hw->size_emul - hw->pos_emul;  in oss_get_buffer_out()
410         return hw->buf_emul + hw->pos_emul;  in oss_get_buffer_out()
412         return audio_generic_get_buffer_out(hw, size);  in oss_get_buffer_out()
416 static size_t oss_put_buffer_out(HWVoiceOut *hw, void *buf, size_t size)  in oss_put_buffer_out()  argument
418     OSSVoiceOut *oss = (OSSVoiceOut *) hw;  in oss_put_buffer_out()
420         assert(buf == hw->buf_emul + hw->pos_emul && size < hw->size_emul);  in oss_put_buffer_out()
422         hw->pos_emul = (hw->pos_emul + size) % hw->size_emul;  in oss_put_buffer_out()
425         return audio_generic_put_buffer_out(hw, buf, size);  in oss_put_buffer_out()
429 static size_t oss_write(HWVoiceOut *hw, void *buf, size_t len)  in oss_write()  argument
431     OSSVoiceOut *oss = (OSSVoiceOut *) hw;  in oss_write()
440             size_t to_copy = MIN(len, hw->size_emul - hw->pos_emul);  in oss_write()
441             memcpy(hw->buf_emul + hw->pos_emul, buf, to_copy);  in oss_write()
443             hw->pos_emul = (hw->pos_emul + to_copy) % hw->size_emul;  in oss_write()
473 static void oss_fini_out (HWVoiceOut *hw)  in oss_fini_out()  argument
476     OSSVoiceOut *oss = (OSSVoiceOut *) hw;  in oss_fini_out()
481     if (oss->mmapped && hw->buf_emul) {  in oss_fini_out()
482         err = munmap(hw->buf_emul, hw->size_emul);  in oss_fini_out()
485                        hw->buf_emul, hw->size_emul);  in oss_fini_out()
487         hw->buf_emul = NULL;  in oss_fini_out()
491 static int oss_init_out(HWVoiceOut *hw, struct audsettings *as,  in oss_init_out()  argument
494     OSSVoiceOut *oss = (OSSVoiceOut *) hw;  in oss_init_out()
525     audio_pcm_init_info (&hw->info, &obt_as);  in oss_init_out()
529     if (obt.nfrags * obt.fragsize % hw->info.bytes_per_frame) {  in oss_init_out()
531                obt.nfrags * obt.fragsize, hw->info.bytes_per_frame);  in oss_init_out()
534     hw->samples = (obt.nfrags * obt.fragsize) / hw->info.bytes_per_frame;  in oss_init_out()
538         hw->size_emul = hw->samples * hw->info.bytes_per_frame;  in oss_init_out()
539         hw->buf_emul = mmap(  in oss_init_out()
541             hw->size_emul,  in oss_init_out()
547         if (hw->buf_emul == MAP_FAILED) {  in oss_init_out()
549                        hw->size_emul);  in oss_init_out()
550             hw->buf_emul = NULL;  in oss_init_out()
568                 err = munmap(hw->buf_emul, hw->size_emul);  in oss_init_out()
571                                hw->buf_emul, hw->size_emul);  in oss_init_out()
573                 hw->buf_emul = NULL;  in oss_init_out()
583 static void oss_enable_out(HWVoiceOut *hw, bool enable)  in oss_enable_out()  argument
586     OSSVoiceOut *oss = (OSSVoiceOut *) hw;  in oss_enable_out()
590         hw->poll_mode = opdo->try_poll;  in oss_enable_out()
593         if (hw->poll_mode) {  in oss_enable_out()
594             oss_poll_out(hw);  in oss_enable_out()
601         audio_pcm_info_clear_buf(&hw->info, hw->buf_emul, hw->samples);  in oss_enable_out()
609         if (hw->poll_mode) {  in oss_enable_out()
611             hw->poll_mode = 0;  in oss_enable_out()
627 static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)  in oss_init_in()  argument
629     OSSVoiceIn *oss = (OSSVoiceIn *) hw;  in oss_init_in()
658     audio_pcm_init_info (&hw->info, &obt_as);  in oss_init_in()
662     if (obt.nfrags * obt.fragsize % hw->info.bytes_per_frame) {  in oss_init_in()
664                obt.nfrags * obt.fragsize, hw->info.bytes_per_frame);  in oss_init_in()
667     hw->samples = (obt.nfrags * obt.fragsize) / hw->info.bytes_per_frame;  in oss_init_in()
674 static void oss_fini_in (HWVoiceIn *hw)  in oss_fini_in()  argument
676     OSSVoiceIn *oss = (OSSVoiceIn *) hw;  in oss_fini_in()
681 static size_t oss_read(HWVoiceIn *hw, void *buf, size_t len)  in oss_read()  argument
683     OSSVoiceIn *oss = (OSSVoiceIn *) hw;  in oss_read()
712 static void oss_enable_in(HWVoiceIn *hw, bool enable)  in oss_enable_in()  argument
714     OSSVoiceIn *oss = (OSSVoiceIn *) hw;  in oss_enable_in()
718         hw->poll_mode = opdo->try_poll;  in oss_enable_in()
720         if (hw->poll_mode) {  in oss_enable_in()
721             oss_poll_in(hw);  in oss_enable_in()
724         if (hw->poll_mode) {  in oss_enable_in()
726             hw->poll_mode = 0;  in oss_enable_in()