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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 | /* * Driver for PowerMac onboard soundchips * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de> * based on dmasound.c. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __PMAC_H #define __PMAC_H #include <sound/control.h> #include <sound/pcm.h> #include "awacs.h" #if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0) #include <asm/adb.h> #include <asm/cuda.h> #include <asm/pmu.h> #else /* 2.4.0 kernel */ #include <linux/adb.h> #ifdef CONFIG_ADB_CUDA #include <linux/cuda.h> #endif #ifdef CONFIG_ADB_PMU #include <linux/pmu.h> #endif #endif #include <linux/nvram.h> #include <linux/vt_kern.h> #include <asm/dbdma.h> #include <asm/prom.h> #include <asm/machdep.h> #if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0) || defined(CONFIG_ADB_CUDA) #define PMAC_AMP_AVAIL #endif /* maximum number of fragments */ #define PMAC_MAX_FRAGS 32 /* * typedefs */ typedef struct snd_pmac pmac_t; typedef struct snd_pmac_stream pmac_stream_t; typedef struct snd_pmac_beep pmac_beep_t; typedef struct snd_pmac_dbdma pmac_dbdma_t; /* * DBDMA space */ struct snd_pmac_dbdma { unsigned long addr; struct dbdma_cmd *cmds; void *space; int size; }; /* * playback/capture stream */ struct snd_pmac_stream { int running; /* boolean */ int stream; /* PLAYBACK/CAPTURE */ int dma_size; /* in bytes */ int period_size; /* in bytes */ int buffer_size; /* in kbytes */ int nperiods, cur_period; pmac_dbdma_t cmd; volatile struct dbdma_regs *dma; snd_pcm_substream_t *substream; unsigned int cur_freqs; /* currently available frequences */ unsigned int cur_formats; /* currently available formats */ }; /* * beep using pcm */ struct snd_pmac_beep { int running; /* boolean */ int volume; /* mixer volume: 0-100 */ int volume_play; /* currently playing volume */ int hz; int nsamples; short *buf; /* allocated wave buffer */ unsigned long addr; /* physical address of buffer */ struct timer_list timer; /* timer list for stopping beep */ void (*orig_mksound)(unsigned int, unsigned int); /* pointer to restore */ snd_kcontrol_t *control; /* mixer element */ }; /* */ enum snd_pmac_model { PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER }; struct snd_pmac { snd_card_t *card; /* h/w info */ struct device_node *node; unsigned int revision; unsigned int subframe; unsigned int device_id; enum snd_pmac_model model; unsigned int has_iic : 1; unsigned int is_pbook_3400 : 1; unsigned int is_pbook_G3 : 1; unsigned int can_byte_swap : 1; unsigned int can_duplex : 1; unsigned int can_capture : 1; #ifdef PMAC_AMP_AVAIL unsigned int amp_only; int amp_vol[2]; #endif unsigned int initialized : 1; unsigned int feature_is_set : 1; int num_freqs; int *freq_table; unsigned int freqs_ok; /* bit flags */ unsigned int formats_ok; /* pcm hwinfo */ int active; int rate_index; int format; /* current format */ spinlock_t reg_lock; volatile struct awacs_regs *awacs; int awacs_reg[8]; /* register cache */ unsigned char *latch_base; unsigned char *macio_base; pmac_stream_t playback; pmac_stream_t capture; pmac_dbdma_t extra_dma; int irq, tx_irq, rx_irq; snd_pcm_t *pcm; pmac_beep_t *beep; unsigned int control_mask; /* control mask */ /* mixer stuffs */ void *mixer_data; void (*mixer_free)(pmac_t *); /* lowlevel callbacks */ void (*set_format)(pmac_t *chip); void (*port_change)(pmac_t *chip); #ifdef CONFIG_PMAC_PBOOK unsigned int sleep_registered : 1; void (*suspend)(pmac_t *chip); void (*resume)(pmac_t *chip); #endif }; /* exported functions */ int snd_pmac_new(snd_card_t *card, pmac_t **chip_return); int snd_pmac_pcm_new(pmac_t *chip); int snd_pmac_attach_beep(pmac_t *chip); /* initialize mixer */ int snd_pmac_awacs_init(pmac_t *chip); int snd_pmac_burgundy_init(pmac_t *chip); int snd_pmac_daca_init(pmac_t *chip); int snd_pmac_tumbler_init(pmac_t *chip); /* i2c functions */ typedef struct snd_pmac_keywest { unsigned long base; int addr; int steps; } pmac_keywest_t; int snd_pmac_keywest_find(pmac_t *chip, pmac_keywest_t *i2c, int addr, int (*init_client)(pmac_t *, pmac_keywest_t *)); void snd_pmac_keywest_cleanup(pmac_keywest_t *i2c); int snd_pmac_keywest_write(pmac_keywest_t *i2c, unsigned char cmd, int len, unsigned char *data); inline static int snd_pmac_keywest_write_byte(pmac_keywest_t *i2c, unsigned char cmd, unsigned char data) { return snd_pmac_keywest_write(i2c, cmd, 1, &data); } #endif /* __PMAC_H */ |