1 /* $OpenBSD: i2svar.h,v 1.10 2022/10/26 20:19:07 kn Exp $ */ 2 3 /*- 4 * Copyright (c) 2001,2003 Tsubai Masanari. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #if !defined(I2S_H_INCLUDE) 30 #define I2S_H_INCLUDE 31 32 #define I2S_DMALIST_MAX 32 33 #define I2S_DMASEG_MAX NBPG 34 35 struct i2s_dma { 36 bus_dmamap_t map; 37 caddr_t addr; 38 bus_dma_segment_t segs[I2S_DMALIST_MAX]; 39 int nsegs; 40 size_t size; 41 struct i2s_dma *next; 42 }; 43 44 struct i2s_softc { 45 struct device sc_dev; 46 int sc_flags; 47 int sc_node; 48 u_int sc_baseaddr; 49 50 void (*sc_ointr)(void *); /* dma completion intr handler */ 51 void *sc_oarg; /* arg for sc_ointr() */ 52 int sc_opages; /* # of output pages */ 53 54 void (*sc_iintr)(void *); /* dma completion intr handler */ 55 void *sc_iarg; /* arg for sc_iintr() */ 56 57 u_int sc_record_source; /* recording source mask */ 58 u_int sc_output_mask; /* output source mask */ 59 60 void (*sc_setvolume)(struct i2s_softc *, int, int); 61 void (*sc_setbass)(struct i2s_softc *, int); 62 void (*sc_settreble)(struct i2s_softc *, int); 63 void (*sc_setinput)(struct i2s_softc *, int); 64 65 u_char *sc_reg; 66 void *sc_i2c; 67 68 u_int sc_rate; 69 u_int sc_vol_l; 70 u_int sc_vol_r; 71 u_int sc_bass; 72 u_int sc_treble; 73 u_int sc_mute; 74 75 u_int sc_spkr; /* amp mute gpio offset */ 76 u_int sc_hp; /* headphone mute gpio offset */ 77 u_int sc_hp_detect; /* headphone detect gpio */ 78 u_int sc_hp_active; 79 u_int sc_line; /* line out mute gpio offset */ 80 u_int sc_line_detect; /* line detect gpio */ 81 u_int sc_line_active; 82 u_int sc_hw_reset; /* hw reset gpio */ 83 84 85 bus_dma_tag_t sc_dmat; 86 dbdma_regmap_t *sc_odma; 87 dbdma_regmap_t *sc_idma; 88 struct dbdma_command *sc_odmacmd, *sc_odmap; 89 struct dbdma_command *sc_idmacmd, *sc_idmap; 90 dbdma_t sc_odbdma, sc_idbdma; 91 92 struct i2s_dma *sc_dmas; 93 }; 94 95 void i2s_attach(struct device *, struct i2s_softc *, struct confargs *); 96 int i2s_intr(void *); 97 int i2s_open(void *, int); 98 void i2s_close(void *); 99 int i2s_set_params(void *, int, int, struct audio_params *, struct audio_params *); 100 int i2s_round_blocksize(void *, int); 101 int i2s_halt_output(void *); 102 int i2s_halt_input(void *); 103 int i2s_set_port(void *, mixer_ctrl_t *); 104 int i2s_get_port(void *, mixer_ctrl_t *); 105 int i2s_query_devinfo(void *, mixer_devinfo_t *); 106 size_t i2s_round_buffersize(void *, int, size_t); 107 int i2s_trigger_output(void *, void *, void *, int, void (*)(void *), 108 void *, struct audio_params *); 109 int i2s_trigger_input(void *, void *, void *, int, void (*)(void *), 110 void *, struct audio_params *); 111 int i2s_set_rate(struct i2s_softc *, int); 112 void i2s_gpio_init(struct i2s_softc *, int, struct device *); 113 void *i2s_allocm(void *, int, size_t, int, int); 114 int deq_reset(struct i2s_softc *); 115 116 #endif 117