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Diffstat (limited to 'sound/ppc/pmac.h')
| -rw-r--r-- | sound/ppc/pmac.h | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/sound/ppc/pmac.h b/sound/ppc/pmac.h new file mode 100644 index 000000000000..a699b01210ee --- /dev/null +++ b/sound/ppc/pmac.h @@ -0,0 +1,214 @@ +/* + * 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 <linux/version.h> +#include <sound/control.h> +#include <sound/pcm.h> +#include "awacs.h" + +#include <linux/adb.h> +#ifdef CONFIG_ADB_CUDA +#include <linux/cuda.h> +#endif +#ifdef CONFIG_ADB_PMU +#include <linux/pmu.h> +#endif +#include <linux/nvram.h> +#include <linux/tty.h> +#include <linux/vt_kern.h> +#include <asm/dbdma.h> +#include <asm/prom.h> +#include <asm/machdep.h> + +/* maximum number of fragments */ +#define PMAC_MAX_FRAGS 32 + + +#define PMAC_SUPPORT_AUTOMUTE + +/* + * 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 __iomem *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 __iomem *dma; + + snd_pcm_substream_t *substream; + + unsigned int cur_freqs; /* currently available frequencies */ + unsigned int cur_formats; /* currently available formats */ +}; + + +/* + */ + +enum snd_pmac_model { + PMAC_AWACS, PMAC_SCREAMER, PMAC_BURGUNDY, PMAC_DACA, PMAC_TUMBLER, PMAC_SNAPPER +}; + +struct snd_pmac { + snd_card_t *card; + + /* h/w info */ + struct device_node *node; + unsigned int revision; + unsigned int manufacturer; + 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; + + unsigned int auto_mute : 1; + unsigned int initialized : 1; + unsigned int feature_is_set : 1; + + unsigned int of_requested; + + 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 __iomem *awacs; + int awacs_reg[8]; /* register cache */ + unsigned int hp_stat_mask; + + unsigned char __iomem *latch_base; + unsigned char __iomem *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 *); + snd_kcontrol_t *master_sw_ctl; + snd_kcontrol_t *speaker_sw_ctl; + snd_kcontrol_t *drc_sw_ctl; /* only used for tumbler -ReneR */ + snd_kcontrol_t *hp_detect_ctl; + + /* lowlevel callbacks */ + void (*set_format)(pmac_t *chip); + void (*update_automute)(pmac_t *chip, int do_notify); + int (*detect_headphone)(pmac_t *chip); +#ifdef CONFIG_PMAC_PBOOK + 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); +void snd_pmac_detach_beep(pmac_t *chip); +void snd_pmac_beep_stop(pmac_t *chip); +unsigned int snd_pmac_rate_index(pmac_t *chip, pmac_stream_t *rec, unsigned int rate); + +void snd_pmac_beep_dma_start(pmac_t *chip, int bytes, unsigned long addr, int speed); +void snd_pmac_beep_dma_stop(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); +int snd_pmac_tumbler_post_init(void); + +/* i2c functions */ +typedef struct snd_pmac_keywest { + int addr; + struct i2c_client *client; + int id; + int (*init_client)(struct snd_pmac_keywest *i2c); + char *name; +} pmac_keywest_t; + +int snd_pmac_keywest_init(pmac_keywest_t *i2c); +void snd_pmac_keywest_cleanup(pmac_keywest_t *i2c); + +/* misc */ +int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo); +int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo); + +int snd_pmac_add_automute(pmac_t *chip); + +#define big_mdelay(msec) do {\ + set_current_state(TASK_UNINTERRUPTIBLE);\ + schedule_timeout(((msec) * HZ + 999) / 1000);\ +} while (0) + +#endif /* __PMAC_H */ |