pxa2x0_i2s.h revision 1.3
1 1.3 jmcneill /* $NetBSD: pxa2x0_i2s.h,v 1.3 2011/11/23 23:07:29 jmcneill Exp $ */ 2 1.1 peter /* $OpenBSD: pxa2x0_i2s.h,v 1.3 2006/04/04 11:45:40 pascoe Exp $ */ 3 1.1 peter 4 1.1 peter /* 5 1.1 peter * Copyright (c) 2005 Uwe Stuehler <uwe (at) bsdx.de> 6 1.1 peter * 7 1.1 peter * Permission to use, copy, modify, and distribute this software for any 8 1.1 peter * purpose with or without fee is hereby granted, provided that the above 9 1.1 peter * copyright notice and this permission notice appear in all copies. 10 1.1 peter * 11 1.1 peter * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 1.1 peter * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 1.1 peter * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 1.1 peter * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 1.1 peter * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 1.1 peter * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 1.1 peter * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 1.1 peter */ 19 1.1 peter 20 1.1 peter #ifndef _PXA2X0_I2S_H_ 21 1.1 peter #define _PXA2X0_I2S_H_ 22 1.1 peter 23 1.2 dyoung #include <sys/bus.h> 24 1.1 peter 25 1.1 peter struct pxa2x0_i2s_dma; 26 1.1 peter struct audio_params; 27 1.1 peter 28 1.1 peter struct pxa2x0_i2s_softc { 29 1.1 peter struct device sc_dev; 30 1.3 jmcneill kmutex_t *sc_intr_lock; 31 1.1 peter 32 1.1 peter bus_space_tag_t sc_iot; 33 1.1 peter bus_space_handle_t sc_ioh; 34 1.1 peter bus_size_t sc_size; 35 1.1 peter bus_dma_tag_t sc_dmat; 36 1.1 peter 37 1.1 peter int sc_open; 38 1.1 peter uint32_t sc_sadiv; 39 1.1 peter 40 1.1 peter struct pxa2x0_i2s_dma *sc_dmas; 41 1.1 peter 42 1.1 peter /* Dummy DMA segment which points to the I2S SADR */ 43 1.1 peter bus_dma_segment_t sc_dr; 44 1.1 peter 45 1.1 peter /* PCM Output (Tx) state */ 46 1.1 peter struct pxa2x0_i2s_dma *sc_txdma; 47 1.1 peter void (*sc_txfunc)(void *); 48 1.1 peter void *sc_txarg; 49 1.1 peter 50 1.1 peter /* PCM Input (Rx) state */ 51 1.1 peter struct pxa2x0_i2s_dma *sc_rxdma; 52 1.1 peter void (*sc_rxfunc)(void *); 53 1.1 peter void *sc_rxarg; 54 1.1 peter }; 55 1.1 peter 56 1.1 peter void pxa2x0_i2s_init(struct pxa2x0_i2s_softc *sc); 57 1.1 peter int pxa2x0_i2s_attach_sub(struct pxa2x0_i2s_softc *); 58 1.1 peter int pxa2x0_i2s_detach_sub(struct pxa2x0_i2s_softc *); 59 1.1 peter void pxa2x0_i2s_open(struct pxa2x0_i2s_softc *); 60 1.1 peter void pxa2x0_i2s_close(struct pxa2x0_i2s_softc *); 61 1.1 peter void pxa2x0_i2s_write(struct pxa2x0_i2s_softc *, u_int32_t); 62 1.1 peter 63 1.1 peter void pxa2x0_i2s_setspeed(struct pxa2x0_i2s_softc *, u_int *); 64 1.1 peter 65 1.3 jmcneill void * pxa2x0_i2s_allocm(void *, int, size_t); 66 1.3 jmcneill void pxa2x0_i2s_freem(void *, void *, size_t); 67 1.1 peter paddr_t pxa2x0_i2s_mappage(void *, void *, off_t, int); 68 1.1 peter int pxa2x0_i2s_round_blocksize(void *, int, int, const struct audio_params *); 69 1.1 peter size_t pxa2x0_i2s_round_buffersize(void *, int, size_t); 70 1.1 peter int pxa2x0_i2s_halt_output(void *); 71 1.1 peter int pxa2x0_i2s_halt_input(void *); 72 1.1 peter int pxa2x0_i2s_start_output(void *, void *, int, void (*)(void *), void *); 73 1.1 peter int pxa2x0_i2s_start_input(void *, void *, int, void (*)(void *), void *); 74 1.1 peter 75 1.1 peter #endif 76
Indexes created Fri Sep 26 20:09:58 GMT 2025