Annotation of sys/dev/isa/ad1848var.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ad1848var.h,v 1.12 2002/03/14 03:16:05 millert Exp $ */
! 2: /* $NetBSD: ad1848var.h,v 1.22 1998/01/19 22:18:26 augustss Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1994 John Brezak
! 6: * Copyright (c) 1991-1993 Regents of the University of California.
! 7: * All rights reserved.
! 8: *
! 9: * Redistribution and use in source and binary forms, with or without
! 10: * modification, are permitted provided that the following conditions
! 11: * are met:
! 12: * 1. Redistributions of source code must retain the above copyright
! 13: * notice, this list of conditions and the following disclaimer.
! 14: * 2. Redistributions in binary form must reproduce the above copyright
! 15: * notice, this list of conditions and the following disclaimer in the
! 16: * documentation and/or other materials provided with the distribution.
! 17: * 3. All advertising materials mentioning features or use of this software
! 18: * must display the following acknowledgement:
! 19: * This product includes software developed by the Computer Systems
! 20: * Engineering Group at Lawrence Berkeley Laboratory.
! 21: * 4. Neither the name of the University nor of the Laboratory may be used
! 22: * to endorse or promote products derived from this software without
! 23: * specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 35: * SUCH DAMAGE.
! 36: *
! 37: */
! 38:
! 39: #define AD1848_NPORT 4
! 40:
! 41: struct ad1848_volume {
! 42: u_char left;
! 43: u_char right;
! 44: };
! 45:
! 46: struct ad1848_softc {
! 47: struct device sc_dev; /* base device */
! 48: struct isadev sc_id; /* ISA device */
! 49: void *sc_ih; /* interrupt vectoring */
! 50: bus_space_tag_t sc_iot; /* tag */
! 51: bus_space_handle_t sc_ioh; /* handle */
! 52: int sc_iooffs; /* offset from handle */
! 53:
! 54: void *parent;
! 55: struct device *sc_isa; /* ISA bus's device */
! 56:
! 57: u_short sc_locked; /* true when doing HS DMA */
! 58: u_int sc_lastcc; /* size of last DMA xfer */
! 59: int sc_mode; /* half-duplex record/play */
! 60:
! 61: int sc_dma_flags;
! 62: void *sc_dma_bp;
! 63: u_int sc_dma_cnt;
! 64:
! 65: char sc_playrun; /* running in continuous mode */
! 66: char sc_recrun; /* running in continuous mode */
! 67: #define NOTRUNNING 0
! 68: #define DMARUNNING 1
! 69: #define PCMRUNNING 2
! 70:
! 71: int sc_irq; /* interrupt */
! 72: int sc_drq; /* DMA */
! 73: int sc_recdrq; /* record/capture DMA */
! 74:
! 75: /* We keep track of these */
! 76: struct ad1848_volume gains[6];
! 77:
! 78: struct ad1848_volume rec_gain;
! 79:
! 80: int rec_port; /* recording port */
! 81:
! 82: /* ad1848 */
! 83: u_char MCE_bit;
! 84: char mic_gain_on; /* CS4231 only */
! 85: char mute[6];
! 86:
! 87: char *chip_name;
! 88: int mode;
! 89:
! 90: u_int precision; /* 8/16 bits */
! 91: int channels;
! 92:
! 93: u_char speed_bits;
! 94: u_char format_bits;
! 95: u_char need_commit;
! 96:
! 97: u_long sc_interrupts; /* number of interrupts taken */
! 98: void (*sc_intr)(void *); /* dma completion intr handler */
! 99: void *sc_arg; /* arg for sc_intr() */
! 100:
! 101: /* Only used by pss XXX */
! 102: int sc_iobase;
! 103: };
! 104:
! 105: #define MUTE_LEFT 1
! 106: #define MUTE_RIGHT 2
! 107: #define MUTE_ALL (MUTE_LEFT | MUTE_RIGHT)
! 108: #define MUTE_MONO MUTE_ALL
! 109:
! 110: /* Don't change this ordering without seriously looking around.
! 111: These are indexes into mute[] array and into a register information
! 112: array */
! 113: #define AD1848_AUX2_CHANNEL 0
! 114: #define AD1848_AUX1_CHANNEL 1
! 115: #define AD1848_DAC_CHANNEL 2
! 116: #define AD1848_LINE_CHANNEL 3
! 117: #define AD1848_MONO_CHANNEL 4
! 118: #define AD1848_MONITOR_CHANNEL 5 /* Doesn't seem to be on all later chips */
! 119:
! 120: /*
! 121: * Ad1848 ports
! 122: */
! 123: #define MIC_IN_PORT 0
! 124: #define LINE_IN_PORT 1
! 125: #define AUX1_IN_PORT 2
! 126: #define DAC_IN_PORT 3
! 127:
! 128: #ifdef _KERNEL
! 129:
! 130: #define AD1848_KIND_LVL 0
! 131: #define AD1848_KIND_MUTE 1
! 132: #define AD1848_KIND_RECORDGAIN 2
! 133: #define AD1848_KIND_MICGAIN 3
! 134: #define AD1848_KIND_RECORDSOURCE 4
! 135:
! 136: typedef struct ad1848_devmap {
! 137: int id;
! 138: int kind;
! 139: int dev;
! 140: } ad1848_devmap_t;
! 141:
! 142: static __inline int ad1848_to_vol(mixer_ctrl_t *, struct ad1848_volume *);
! 143: static __inline int ad1848_from_vol(mixer_ctrl_t *, struct ad1848_volume *);
! 144:
! 145: static __inline int
! 146: ad1848_to_vol(cp, vol)
! 147: mixer_ctrl_t *cp;
! 148: struct ad1848_volume *vol;
! 149: {
! 150: if (cp->un.value.num_channels == 1) {
! 151: vol->left = vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
! 152: return(1);
! 153: }
! 154: else if (cp->un.value.num_channels == 2) {
! 155: vol->left = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
! 156: vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
! 157: return(1);
! 158: }
! 159: return(0);
! 160: }
! 161:
! 162: static __inline int
! 163: ad1848_from_vol(cp, vol)
! 164: mixer_ctrl_t *cp;
! 165: struct ad1848_volume *vol;
! 166: {
! 167: if (cp->un.value.num_channels == 1) {
! 168: cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol->left;
! 169: return(1);
! 170: }
! 171: else if (cp->un.value.num_channels == 2) {
! 172: cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = vol->left;
! 173: cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = vol->right;
! 174: return(1);
! 175: }
! 176: return(0);
! 177: }
! 178:
! 179:
! 180: int ad1848_mixer_get_port(struct ad1848_softc *, ad1848_devmap_t *, int cnt, mixer_ctrl_t *);
! 181: int ad1848_mixer_set_port(struct ad1848_softc *, ad1848_devmap_t *, int, mixer_ctrl_t *);
! 182: int ad1848_mapprobe(struct ad1848_softc *, int);
! 183: int ad1848_probe(struct ad1848_softc *);
! 184: void ad1848_unmap(struct ad1848_softc *);
! 185: void ad1848_attach(struct ad1848_softc *);
! 186:
! 187: int ad1848_open(void *, int);
! 188: void ad1848_close(void *);
! 189:
! 190: void ad1848_forceintr(struct ad1848_softc *);
! 191:
! 192: int ad1848_query_encoding(void *, struct audio_encoding *);
! 193: int ad1848_set_params(void *, int, int, struct audio_params *, struct audio_params *);
! 194:
! 195: int ad1848_round_blocksize(void *, int);
! 196:
! 197: int ad1848_dma_init_output(void *, void *, int);
! 198: int ad1848_dma_init_input(void *, void *, int);
! 199: int ad1848_dma_output(void *, void *, int, void (*)(void *), void *);
! 200: int ad1848_dma_input(void *, void *, int, void (*)(void *), void *);
! 201:
! 202: int ad1848_commit_settings(void *);
! 203:
! 204: int ad1848_halt_in_dma(void *);
! 205: int ad1848_halt_out_dma(void *);
! 206:
! 207: int ad1848_intr(void *);
! 208:
! 209: int ad1848_set_rec_port(struct ad1848_softc *, int);
! 210: int ad1848_get_rec_port(struct ad1848_softc *);
! 211:
! 212: int ad1848_set_channel_gain(struct ad1848_softc *, int, struct ad1848_volume *);
! 213: int ad1848_get_device_gain(struct ad1848_softc *, int, struct ad1848_volume *);
! 214: int ad1848_set_rec_gain(struct ad1848_softc *, struct ad1848_volume *);
! 215: int ad1848_get_rec_gain(struct ad1848_softc *, struct ad1848_volume *);
! 216: /* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
! 217: int ad1848_set_mic_gain(struct ad1848_softc *, struct ad1848_volume *);
! 218: int ad1848_get_mic_gain(struct ad1848_softc *, struct ad1848_volume *);
! 219: void ad1848_mute_channel(struct ad1848_softc *, int device, int mute);
! 220:
! 221: void *ad1848_malloc(void *, int, size_t, int, int);
! 222: void ad1848_free(void *, void *, int);
! 223: size_t ad1848_round(void *, int, size_t);
! 224: paddr_t ad1848_mappage(void *, void *, off_t, int);
! 225:
! 226: int ad1848_get_props(void *);
! 227:
! 228: #endif
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