1 /* 2 * Driver for PowerMac onboard soundchips 3 * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de> 4 * based on dmasound.c. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20 21 22 #ifndef __PMAC_H 23 #define __PMAC_H 24 25 #include <sound/control.h> 26 #include <sound/pcm.h> 27 #include "awacs.h" 28 29 #include <linux/adb.h> 30 #ifdef CONFIG_ADB_CUDA 31 #include <linux/cuda.h> 32 #endif 33 #ifdef CONFIG_ADB_PMU 34 #include <linux/pmu.h> 35 #endif 36 #include <linux/nvram.h> 37 #include <linux/tty.h> 38 #include <linux/vt_kern.h> 39 #include <asm/dbdma.h> 40 #include <asm/prom.h> 41 #include <asm/machdep.h> 42 43 /* maximum number of fragments */ 44 #define PMAC_MAX_FRAGS 32 45 46 47 #define PMAC_SUPPORT_AUTOMUTE 48 49 /* 50 * DBDMA space 51 */ 52 struct pmac_dbdma { 53 dma_addr_t dma_base; 54 dma_addr_t addr; 55 struct dbdma_cmd __iomem *cmds; 56 void *space; 57 int size; 58 }; 59 60 /* 61 * playback/capture stream 62 */ 63 struct pmac_stream { 64 int running; /* boolean */ 65 66 int stream; /* PLAYBACK/CAPTURE */ 67 68 int dma_size; /* in bytes */ 69 int period_size; /* in bytes */ 70 int buffer_size; /* in kbytes */ 71 int nperiods, cur_period; 72 73 struct pmac_dbdma cmd; 74 volatile struct dbdma_regs __iomem *dma; 75 76 struct snd_pcm_substream *substream; 77 78 unsigned int cur_freqs; /* currently available frequencies */ 79 unsigned int cur_formats; /* currently available formats */ 80 }; 81 82 83 /* 84 */ 85 86 enum snd_pmac_model { 87 PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER, 88 PMAC_SNAPPER 89 }; 90 91 struct snd_pmac { 92 struct snd_card *card; 93 94 /* h/w info */ 95 struct device_node *node; 96 struct pci_dev *pdev; 97 unsigned int revision; 98 unsigned int manufacturer; 99 unsigned int subframe; 100 unsigned int device_id; 101 enum snd_pmac_model model; 102 103 unsigned int has_iic : 1; 104 unsigned int is_pbook_3400 : 1; 105 unsigned int is_pbook_G3 : 1; 106 unsigned int is_k2 : 1; 107 108 unsigned int can_byte_swap : 1; 109 unsigned int can_duplex : 1; 110 unsigned int can_capture : 1; 111 112 unsigned int auto_mute : 1; 113 unsigned int initialized : 1; 114 unsigned int feature_is_set : 1; 115 116 unsigned int requested; 117 struct resource rsrc[3]; 118 119 int num_freqs; 120 int *freq_table; 121 unsigned int freqs_ok; /* bit flags */ 122 unsigned int formats_ok; /* pcm hwinfo */ 123 int active; 124 int rate_index; 125 int format; /* current format */ 126 127 spinlock_t reg_lock; 128 volatile struct awacs_regs __iomem *awacs; 129 int awacs_reg[8]; /* register cache */ 130 unsigned int hp_stat_mask; 131 132 unsigned char __iomem *latch_base; 133 unsigned char __iomem *macio_base; 134 135 struct pmac_stream playback; 136 struct pmac_stream capture; 137 138 struct pmac_dbdma extra_dma; 139 140 int irq, tx_irq, rx_irq; 141 142 struct snd_pcm *pcm; 143 144 struct pmac_beep *beep; 145 146 unsigned int control_mask; /* control mask */ 147 148 /* mixer stuffs */ 149 void *mixer_data; 150 void (*mixer_free)(struct snd_pmac *); 151 struct snd_kcontrol *master_sw_ctl; 152 struct snd_kcontrol *speaker_sw_ctl; 153 struct snd_kcontrol *drc_sw_ctl; /* only used for tumbler -ReneR */ 154 struct snd_kcontrol *hp_detect_ctl; 155 struct snd_kcontrol *lineout_sw_ctl; 156 157 /* lowlevel callbacks */ 158 void (*set_format)(struct snd_pmac *chip); 159 void (*update_automute)(struct snd_pmac *chip, int do_notify); 160 int (*detect_headphone)(struct snd_pmac *chip); 161 #ifdef CONFIG_PM 162 void (*suspend)(struct snd_pmac *chip); 163 void (*resume)(struct snd_pmac *chip); 164 #endif 165 166 }; 167 168 169 /* exported functions */ 170 int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return); 171 int snd_pmac_pcm_new(struct snd_pmac *chip); 172 int snd_pmac_attach_beep(struct snd_pmac *chip); 173 void snd_pmac_detach_beep(struct snd_pmac *chip); 174 void snd_pmac_beep_stop(struct snd_pmac *chip); 175 unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate); 176 177 void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed); 178 void snd_pmac_beep_dma_stop(struct snd_pmac *chip); 179 180 #ifdef CONFIG_PM 181 void snd_pmac_suspend(struct snd_pmac *chip); 182 void snd_pmac_resume(struct snd_pmac *chip); 183 #endif 184 185 /* initialize mixer */ 186 int snd_pmac_awacs_init(struct snd_pmac *chip); 187 int snd_pmac_burgundy_init(struct snd_pmac *chip); 188 int snd_pmac_daca_init(struct snd_pmac *chip); 189 int snd_pmac_tumbler_init(struct snd_pmac *chip); 190 int snd_pmac_tumbler_post_init(void); 191 192 /* i2c functions */ 193 struct pmac_keywest { 194 int addr; 195 struct i2c_client *client; 196 int id; 197 int (*init_client)(struct pmac_keywest *i2c); 198 char *name; 199 }; 200 201 int snd_pmac_keywest_init(struct pmac_keywest *i2c); 202 void snd_pmac_keywest_cleanup(struct pmac_keywest *i2c); 203 204 /* misc */ 205 #define snd_pmac_boolean_stereo_info snd_ctl_boolean_stereo_info 206 #define snd_pmac_boolean_mono_info snd_ctl_boolean_mono_info 207 208 int snd_pmac_add_automute(struct snd_pmac *chip); 209 210 #endif /* __PMAC_H */ 211