diff options
Diffstat (limited to 'ANDROID_3.4.5/include/sound/i2c.h')
-rw-r--r-- | ANDROID_3.4.5/include/sound/i2c.h | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/ANDROID_3.4.5/include/sound/i2c.h b/ANDROID_3.4.5/include/sound/i2c.h deleted file mode 100644 index d125ff8c..00000000 --- a/ANDROID_3.4.5/include/sound/i2c.h +++ /dev/null @@ -1,104 +0,0 @@ -#ifndef __SOUND_I2C_H -#define __SOUND_I2C_H - -/* - * - * - * 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 - * - * - */ - -#define SND_I2C_DEVICE_ADDRTEN (1<<0) /* 10-bit I2C address */ - -struct snd_i2c_device { - struct list_head list; - struct snd_i2c_bus *bus; /* I2C bus */ - char name[32]; /* some useful device name */ - unsigned short flags; /* device flags */ - unsigned short addr; /* device address (might be 10-bit) */ - unsigned long private_value; - void *private_data; - void (*private_free)(struct snd_i2c_device *device); -}; - -#define snd_i2c_device(n) list_entry(n, struct snd_i2c_device, list) - -struct snd_i2c_bit_ops { - void (*start)(struct snd_i2c_bus *bus); /* transfer start */ - void (*stop)(struct snd_i2c_bus *bus); /* transfer stop */ - void (*direction)(struct snd_i2c_bus *bus, int clock, int data); /* set line direction (0 = write, 1 = read) */ - void (*setlines)(struct snd_i2c_bus *bus, int clock, int data); - int (*getclock)(struct snd_i2c_bus *bus); - int (*getdata)(struct snd_i2c_bus *bus, int ack); -}; - -struct snd_i2c_ops { - int (*sendbytes)(struct snd_i2c_device *device, unsigned char *bytes, int count); - int (*readbytes)(struct snd_i2c_device *device, unsigned char *bytes, int count); - int (*probeaddr)(struct snd_i2c_bus *bus, unsigned short addr); -}; - -struct snd_i2c_bus { - struct snd_card *card; /* card which I2C belongs to */ - char name[32]; /* some useful label */ - - struct mutex lock_mutex; - - struct snd_i2c_bus *master; /* master bus when SCK/SCL is shared */ - struct list_head buses; /* master: slave buses sharing SCK/SCL, slave: link list */ - - struct list_head devices; /* attached devices to this bus */ - - union { - struct snd_i2c_bit_ops *bit; - void *ops; - } hw_ops; /* lowlevel operations */ - struct snd_i2c_ops *ops; /* midlevel operations */ - - unsigned long private_value; - void *private_data; - void (*private_free)(struct snd_i2c_bus *bus); -}; - -#define snd_i2c_slave_bus(n) list_entry(n, struct snd_i2c_bus, buses) - -int snd_i2c_bus_create(struct snd_card *card, const char *name, - struct snd_i2c_bus *master, struct snd_i2c_bus **ri2c); -int snd_i2c_device_create(struct snd_i2c_bus *bus, const char *name, - unsigned char addr, struct snd_i2c_device **rdevice); -int snd_i2c_device_free(struct snd_i2c_device *device); - -static inline void snd_i2c_lock(struct snd_i2c_bus *bus) -{ - if (bus->master) - mutex_lock(&bus->master->lock_mutex); - else - mutex_lock(&bus->lock_mutex); -} - -static inline void snd_i2c_unlock(struct snd_i2c_bus *bus) -{ - if (bus->master) - mutex_unlock(&bus->master->lock_mutex); - else - mutex_unlock(&bus->lock_mutex); -} - -int snd_i2c_sendbytes(struct snd_i2c_device *device, unsigned char *bytes, int count); -int snd_i2c_readbytes(struct snd_i2c_device *device, unsigned char *bytes, int count); -int snd_i2c_probeaddr(struct snd_i2c_bus *bus, unsigned short addr); - -#endif /* __SOUND_I2C_H */ |