pxa2x0_i2s.h revision 1.1.4.2
1 1.1.4.2 yamt /* $NetBSD: pxa2x0_i2s.h,v 1.1.4.2 2006/12/30 20:45:38 yamt Exp $ */ 2 1.1.4.2 yamt /* $OpenBSD: pxa2x0_i2s.h,v 1.3 2006/04/04 11:45:40 pascoe Exp $ */ 3 1.1.4.2 yamt 4 1.1.4.2 yamt /* 5 1.1.4.2 yamt * Copyright (c) 2005 Uwe Stuehler <uwe (at) bsdx.de> 6 1.1.4.2 yamt * 7 1.1.4.2 yamt * Permission to use, copy, modify, and distribute this software for any 8 1.1.4.2 yamt * purpose with or without fee is hereby granted, provided that the above 9 1.1.4.2 yamt * copyright notice and this permission notice appear in all copies. 10 1.1.4.2 yamt * 11 1.1.4.2 yamt * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 1.1.4.2 yamt * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 1.1.4.2 yamt * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 1.1.4.2 yamt * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 1.1.4.2 yamt * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 1.1.4.2 yamt * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 1.1.4.2 yamt * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 1.1.4.2 yamt */ 19 1.1.4.2 yamt 20 1.1.4.2 yamt #ifndef _PXA2X0_I2S_H_ 21 1.1.4.2 yamt #define _PXA2X0_I2S_H_ 22 1.1.4.2 yamt 23 1.1.4.2 yamt #include <machine/bus.h> 24 1.1.4.2 yamt 25 1.1.4.2 yamt struct pxa2x0_i2s_dma; 26 1.1.4.2 yamt struct audio_params; 27 1.1.4.2 yamt 28 1.1.4.2 yamt struct pxa2x0_i2s_softc { 29 1.1.4.2 yamt struct device sc_dev; 30 1.1.4.2 yamt 31 1.1.4.2 yamt bus_space_tag_t sc_iot; 32 1.1.4.2 yamt bus_space_handle_t sc_ioh; 33 1.1.4.2 yamt bus_size_t sc_size; 34 1.1.4.2 yamt bus_dma_tag_t sc_dmat; 35 1.1.4.2 yamt 36 1.1.4.2 yamt int sc_open; 37 1.1.4.2 yamt uint32_t sc_sadiv; 38 1.1.4.2 yamt 39 1.1.4.2 yamt struct pxa2x0_i2s_dma *sc_dmas; 40 1.1.4.2 yamt 41 1.1.4.2 yamt /* Dummy DMA segment which points to the I2S SADR */ 42 1.1.4.2 yamt bus_dma_segment_t sc_dr; 43 1.1.4.2 yamt 44 1.1.4.2 yamt /* PCM Output (Tx) state */ 45 1.1.4.2 yamt struct pxa2x0_i2s_dma *sc_txdma; 46 1.1.4.2 yamt void (*sc_txfunc)(void *); 47 1.1.4.2 yamt void *sc_txarg; 48 1.1.4.2 yamt 49 1.1.4.2 yamt /* PCM Input (Rx) state */ 50 1.1.4.2 yamt struct pxa2x0_i2s_dma *sc_rxdma; 51 1.1.4.2 yamt void (*sc_rxfunc)(void *); 52 1.1.4.2 yamt void *sc_rxarg; 53 1.1.4.2 yamt }; 54 1.1.4.2 yamt 55 1.1.4.2 yamt void pxa2x0_i2s_init(struct pxa2x0_i2s_softc *sc); 56 1.1.4.2 yamt int pxa2x0_i2s_attach_sub(struct pxa2x0_i2s_softc *); 57 1.1.4.2 yamt int pxa2x0_i2s_detach_sub(struct pxa2x0_i2s_softc *); 58 1.1.4.2 yamt void pxa2x0_i2s_open(struct pxa2x0_i2s_softc *); 59 1.1.4.2 yamt void pxa2x0_i2s_close(struct pxa2x0_i2s_softc *); 60 1.1.4.2 yamt void pxa2x0_i2s_write(struct pxa2x0_i2s_softc *, u_int32_t); 61 1.1.4.2 yamt 62 1.1.4.2 yamt void pxa2x0_i2s_setspeed(struct pxa2x0_i2s_softc *, u_int *); 63 1.1.4.2 yamt 64 1.1.4.2 yamt void * pxa2x0_i2s_allocm(void *, int, size_t, struct malloc_type *, int); 65 1.1.4.2 yamt void pxa2x0_i2s_freem(void *, void *, struct malloc_type *); 66 1.1.4.2 yamt paddr_t pxa2x0_i2s_mappage(void *, void *, off_t, int); 67 1.1.4.2 yamt int pxa2x0_i2s_round_blocksize(void *, int, int, const struct audio_params *); 68 1.1.4.2 yamt size_t pxa2x0_i2s_round_buffersize(void *, int, size_t); 69 1.1.4.2 yamt int pxa2x0_i2s_halt_output(void *); 70 1.1.4.2 yamt int pxa2x0_i2s_halt_input(void *); 71 1.1.4.2 yamt int pxa2x0_i2s_start_output(void *, void *, int, void (*)(void *), void *); 72 1.1.4.2 yamt int pxa2x0_i2s_start_input(void *, void *, int, void (*)(void *), void *); 73 1.1.4.2 yamt 74 1.1.4.2 yamt #endif 75
Indexes created Thu Oct 16 14:10:15 GMT 2025