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 * typedefs 51 */ 52 typedef struct snd_pmac pmac_t; 53 typedef struct snd_pmac_stream pmac_stream_t; 54 typedef struct snd_pmac_beep pmac_beep_t; 55 typedef struct snd_pmac_dbdma pmac_dbdma_t; 56 57 58 /* 59 * DBDMA space 60 */ 61 struct snd_pmac_dbdma { 62 dma_addr_t dma_base; 63 dma_addr_t addr; 64 struct dbdma_cmd __iomem *cmds; 65 void *space; 66 int size; 67 }; 68 69 /* 70 * playback/capture stream 71 */ 72 struct snd_pmac_stream { 73 int running; /* boolean */ 74 75 int stream; /* PLAYBACK/CAPTURE */ 76 77 int dma_size; /* in bytes */ 78 int period_size; /* in bytes */ 79 int buffer_size; /* in kbytes */ 80 int nperiods, cur_period; 81 82 pmac_dbdma_t cmd; 83 volatile struct dbdma_regs __iomem *dma; 84 85 snd_pcm_substream_t *substream; 86 87 unsigned int cur_freqs; /* currently available frequencies */ 88 unsigned int cur_formats; /* currently available formats */ 89 }; 90 91 92 /* 93 */ 94 95 enum snd_pmac_model { 96 PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER, 97 PMAC_SNAPPER, PMAC_TOONIE 98 }; 99 100 struct snd_pmac { 101 snd_card_t *card; 102 103 /* h/w info */ 104 struct device_node *node; 105 struct pci_dev *pdev; 106 unsigned int revision; 107 unsigned int manufacturer; 108 unsigned int subframe; 109 unsigned int device_id; 110 enum snd_pmac_model model; 111 112 unsigned int has_iic : 1; 113 unsigned int is_pbook_3400 : 1; 114 unsigned int is_pbook_G3 : 1; 115 unsigned int is_k2 : 1; 116 117 unsigned int can_byte_swap : 1; 118 unsigned int can_duplex : 1; 119 unsigned int can_capture : 1; 120 121 unsigned int auto_mute : 1; 122 unsigned int initialized : 1; 123 unsigned int feature_is_set : 1; 124 125 unsigned int of_requested; 126 127 int num_freqs; 128 int *freq_table; 129 unsigned int freqs_ok; /* bit flags */ 130 unsigned int formats_ok; /* pcm hwinfo */ 131 int active; 132 int rate_index; 133 int format; /* current format */ 134 135 spinlock_t reg_lock; 136 volatile struct awacs_regs __iomem *awacs; 137 int awacs_reg[8]; /* register cache */ 138 unsigned int hp_stat_mask; 139 140 unsigned char __iomem *latch_base; 141 unsigned char __iomem *macio_base; 142 143 pmac_stream_t playback; 144 pmac_stream_t capture; 145 146 pmac_dbdma_t extra_dma; 147 148 int irq, tx_irq, rx_irq; 149 150 snd_pcm_t *pcm; 151 152 pmac_beep_t *beep; 153 154 unsigned int control_mask; /* control mask */ 155 156 /* mixer stuffs */ 157 void *mixer_data; 158 void (*mixer_free)(pmac_t *); 159 snd_kcontrol_t *master_sw_ctl; 160 snd_kcontrol_t *speaker_sw_ctl; 161 snd_kcontrol_t *drc_sw_ctl; /* only used for tumbler -ReneR */ 162 snd_kcontrol_t *hp_detect_ctl; 163 snd_kcontrol_t *lineout_sw_ctl; 164 165 /* lowlevel callbacks */ 166 void (*set_format)(pmac_t *chip); 167 void (*update_automute)(pmac_t *chip, int do_notify); 168 int (*detect_headphone)(pmac_t *chip); 169 #ifdef CONFIG_PM 170 void (*suspend)(pmac_t *chip); 171 void (*resume)(pmac_t *chip); 172 #endif 173 174 }; 175 176 177 /* exported functions */ 178 int snd_pmac_new(snd_card_t *card, pmac_t **chip_return); 179 int snd_pmac_pcm_new(pmac_t *chip); 180 int snd_pmac_attach_beep(pmac_t *chip); 181 void snd_pmac_detach_beep(pmac_t *chip); 182 void snd_pmac_beep_stop(pmac_t *chip); 183 unsigned int snd_pmac_rate_index(pmac_t *chip, pmac_stream_t *rec, unsigned int rate); 184 185 void snd_pmac_beep_dma_start(pmac_t *chip, int bytes, unsigned long addr, int speed); 186 void snd_pmac_beep_dma_stop(pmac_t *chip); 187 188 /* initialize mixer */ 189 int snd_pmac_awacs_init(pmac_t *chip); 190 int snd_pmac_burgundy_init(pmac_t *chip); 191 int snd_pmac_daca_init(pmac_t *chip); 192 int snd_pmac_tumbler_init(pmac_t *chip); 193 int snd_pmac_tumbler_post_init(void); 194 int snd_pmac_toonie_init(pmac_t *chip); 195 196 /* i2c functions */ 197 typedef struct snd_pmac_keywest { 198 int addr; 199 struct i2c_client *client; 200 int id; 201 int (*init_client)(struct snd_pmac_keywest *i2c); 202 char *name; 203 } pmac_keywest_t; 204 205 int snd_pmac_keywest_init(pmac_keywest_t *i2c); 206 void snd_pmac_keywest_cleanup(pmac_keywest_t *i2c); 207 208 /* misc */ 209 int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo); 210 int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo); 211 212 int snd_pmac_add_automute(pmac_t *chip); 213 214 #endif /* __PMAC_H */ 215