diff options
Diffstat (limited to 'sound/ppc/pmac.h')
| -rw-r--r-- | sound/ppc/pmac.h | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/sound/ppc/pmac.h b/sound/ppc/pmac.h new file mode 100644 index 000000000..a758caf68 --- /dev/null +++ b/sound/ppc/pmac.h @@ -0,0 +1,197 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Driver for PowerMac onboard soundchips + * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de> + * based on dmasound.c. + */ + + +#ifndef __PMAC_H +#define __PMAC_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 + +/* + * DBDMA space + */ +struct pmac_dbdma { + dma_addr_t dma_base; + dma_addr_t addr; + struct dbdma_cmd __iomem *cmds; + void *space; + int size; +}; + +/* + * playback/capture stream + */ +struct 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; + + struct pmac_dbdma cmd; + volatile struct dbdma_regs __iomem *dma; + + struct snd_pcm_substream *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 { + struct snd_card *card; + + /* h/w info */ + struct device_node *node; + struct pci_dev *pdev; + 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 is_k2 : 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 requested; + struct resource rsrc[3]; + + int num_freqs; + const 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; + + struct pmac_stream playback; + struct pmac_stream capture; + + struct pmac_dbdma extra_dma; + + int irq, tx_irq, rx_irq; + + struct snd_pcm *pcm; + + struct pmac_beep *beep; + + unsigned int control_mask; /* control mask */ + + /* mixer stuffs */ + void *mixer_data; + void (*mixer_free)(struct snd_pmac *); + struct snd_kcontrol *master_sw_ctl; + struct snd_kcontrol *speaker_sw_ctl; + struct snd_kcontrol *drc_sw_ctl; /* only used for tumbler -ReneR */ + struct snd_kcontrol *hp_detect_ctl; + struct snd_kcontrol *lineout_sw_ctl; + + /* lowlevel callbacks */ + void (*set_format)(struct snd_pmac *chip); + void (*update_automute)(struct snd_pmac *chip, int do_notify); + int (*detect_headphone)(struct snd_pmac *chip); +#ifdef CONFIG_PM + void (*suspend)(struct snd_pmac *chip); + void (*resume)(struct snd_pmac *chip); +#endif + +}; + + +/* exported functions */ +int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return); +int snd_pmac_pcm_new(struct snd_pmac *chip); +int snd_pmac_attach_beep(struct snd_pmac *chip); +void snd_pmac_detach_beep(struct snd_pmac *chip); +void snd_pmac_beep_stop(struct snd_pmac *chip); +unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate); + +void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed); +void snd_pmac_beep_dma_stop(struct snd_pmac *chip); + +#ifdef CONFIG_PM +void snd_pmac_suspend(struct snd_pmac *chip); +void snd_pmac_resume(struct snd_pmac *chip); +#endif + +/* initialize mixer */ +int snd_pmac_awacs_init(struct snd_pmac *chip); +int snd_pmac_burgundy_init(struct snd_pmac *chip); +int snd_pmac_daca_init(struct snd_pmac *chip); +int snd_pmac_tumbler_init(struct snd_pmac *chip); +int snd_pmac_tumbler_post_init(void); + +/* i2c functions */ +struct pmac_keywest { + int addr; + struct i2c_client *client; + int id; + int (*init_client)(struct pmac_keywest *i2c); + char *name; +}; + +int snd_pmac_keywest_init(struct pmac_keywest *i2c); +void snd_pmac_keywest_cleanup(struct pmac_keywest *i2c); + +/* misc */ +#define snd_pmac_boolean_stereo_info snd_ctl_boolean_stereo_info +#define snd_pmac_boolean_mono_info snd_ctl_boolean_mono_info + +int snd_pmac_add_automute(struct snd_pmac *chip); + +#endif /* __PMAC_H */ |