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 <linux/version.h> 26 #include <sound/control.h> 27 #include <sound/pcm.h> 28 #include "awacs.h" 29 30 #include <linux/adb.h> 31 #ifdef CONFIG_ADB_CUDA 32 #include <linux/cuda.h> 33 #endif 34 #ifdef CONFIG_ADB_PMU 35 #include <linux/pmu.h> 36 #endif 37 #include <linux/nvram.h> 38 #include <linux/tty.h> 39 #include <linux/vt_kern.h> 40 #include <asm/dbdma.h> 41 #include <asm/prom.h> 42 #include <asm/machdep.h> 43 44 /* maximum number of fragments */ 45 #define PMAC_MAX_FRAGS 32 46 47 48 #define PMAC_SUPPORT_AUTOMUTE 49 50 /* 51 * typedefs 52 */ 53 typedef struct snd_pmac pmac_t; 54 typedef struct snd_pmac_stream pmac_stream_t; 55 typedef struct snd_pmac_beep pmac_beep_t; 56 typedef struct snd_pmac_dbdma pmac_dbdma_t; 57 58 59 /* 60 * DBDMA space 61 */ 62 struct snd_pmac_dbdma { 63 dma_addr_t dma_base; 64 dma_addr_t addr; 65 struct dbdma_cmd __iomem *cmds; 66 void *space; 67 int size; 68 }; 69 70 /* 71 * playback/capture stream 72 */ 73 struct snd_pmac_stream { 74 int running; /* boolean */ 75 76 int stream; /* PLAYBACK/CAPTURE */ 77 78 int dma_size; /* in bytes */ 79 int period_size; /* in bytes */ 80 int buffer_size; /* in kbytes */ 81 int nperiods, cur_period; 82 83 pmac_dbdma_t cmd; 84 volatile struct dbdma_regs __iomem *dma; 85 86 snd_pcm_substream_t *substream; 87 88 unsigned int cur_freqs; /* currently available frequencies */ 89 unsigned int cur_formats; /* currently available formats */ 90 }; 91 92 93 /* 94 */ 95 96 enum snd_pmac_model { 97 PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER, 98 PMAC_SNAPPER, PMAC_TOONIE 99 }; 100 101 struct snd_pmac { 102 snd_card_t *card; 103 104 /* h/w info */ 105 struct device_node *node; 106 struct pci_dev *pdev; 107 unsigned int revision; 108 unsigned int manufacturer; 109 unsigned int subframe; 110 unsigned int device_id; 111 enum snd_pmac_model model; 112 113 unsigned int has_iic : 1; 114 unsigned int is_pbook_3400 : 1; 115 unsigned int is_pbook_G3 : 1; 116 unsigned int is_k2 : 1; 117 118 unsigned int can_byte_swap : 1; 119 unsigned int can_duplex : 1; 120 unsigned int can_capture : 1; 121 122 unsigned int auto_mute : 1; 123 unsigned int initialized : 1; 124 unsigned int feature_is_set : 1; 125 126 unsigned int of_requested; 127 128 int num_freqs; 129 int *freq_table; 130 unsigned int freqs_ok; /* bit flags */ 131 unsigned int formats_ok; /* pcm hwinfo */ 132 int active; 133 int rate_index; 134 int format; /* current format */ 135 136 spinlock_t reg_lock; 137 volatile struct awacs_regs __iomem *awacs; 138 int awacs_reg[8]; /* register cache */ 139 unsigned int hp_stat_mask; 140 141 unsigned char __iomem *latch_base; 142 unsigned char __iomem *macio_base; 143 144 pmac_stream_t playback; 145 pmac_stream_t capture; 146 147 pmac_dbdma_t extra_dma; 148 149 int irq, tx_irq, rx_irq; 150 151 snd_pcm_t *pcm; 152 153 pmac_beep_t *beep; 154 155 unsigned int control_mask; /* control mask */ 156 157 /* mixer stuffs */ 158 void *mixer_data; 159 void (*mixer_free)(pmac_t *); 160 snd_kcontrol_t *master_sw_ctl; 161 snd_kcontrol_t *speaker_sw_ctl; 162 snd_kcontrol_t *drc_sw_ctl; /* only used for tumbler -ReneR */ 163 snd_kcontrol_t *hp_detect_ctl; 164 snd_kcontrol_t *lineout_sw_ctl; 165 166 /* lowlevel callbacks */ 167 void (*set_format)(pmac_t *chip); 168 void (*update_automute)(pmac_t *chip, int do_notify); 169 int (*detect_headphone)(pmac_t *chip); 170 #ifdef CONFIG_PM 171 void (*suspend)(pmac_t *chip); 172 void (*resume)(pmac_t *chip); 173 #endif 174 175 }; 176 177 178 /* exported functions */ 179 int snd_pmac_new(snd_card_t *card, pmac_t **chip_return); 180 int snd_pmac_pcm_new(pmac_t *chip); 181 int snd_pmac_attach_beep(pmac_t *chip); 182 void snd_pmac_detach_beep(pmac_t *chip); 183 void snd_pmac_beep_stop(pmac_t *chip); 184 unsigned int snd_pmac_rate_index(pmac_t *chip, pmac_stream_t *rec, unsigned int rate); 185 186 void snd_pmac_beep_dma_start(pmac_t *chip, int bytes, unsigned long addr, int speed); 187 void snd_pmac_beep_dma_stop(pmac_t *chip); 188 189 /* initialize mixer */ 190 int snd_pmac_awacs_init(pmac_t *chip); 191 int snd_pmac_burgundy_init(pmac_t *chip); 192 int snd_pmac_daca_init(pmac_t *chip); 193 int snd_pmac_tumbler_init(pmac_t *chip); 194 int snd_pmac_tumbler_post_init(void); 195 int snd_pmac_toonie_init(pmac_t *chip); 196 197 /* i2c functions */ 198 typedef struct snd_pmac_keywest { 199 int addr; 200 struct i2c_client *client; 201 int id; 202 int (*init_client)(struct snd_pmac_keywest *i2c); 203 char *name; 204 } pmac_keywest_t; 205 206 int snd_pmac_keywest_init(pmac_keywest_t *i2c); 207 void snd_pmac_keywest_cleanup(pmac_keywest_t *i2c); 208 209 /* misc */ 210 int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo); 211 int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo); 212 213 int snd_pmac_add_automute(pmac_t *chip); 214 215 #endif /* __PMAC_H */ 216