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Diffstat (limited to 'sound/firewire/bebob/bebob.h')
-rw-r--r-- | sound/firewire/bebob/bebob.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/sound/firewire/bebob/bebob.h b/sound/firewire/bebob/bebob.h new file mode 100644 index 000000000000..862f756ec281 --- /dev/null +++ b/sound/firewire/bebob/bebob.h @@ -0,0 +1,64 @@ +/* + * bebob.h - a part of driver for BeBoB based devices + * + * Copyright (c) 2013-2014 Takashi Sakamoto + * + * Licensed under the terms of the GNU General Public License, version 2. + */ + +#ifndef SOUND_BEBOB_H_INCLUDED +#define SOUND_BEBOB_H_INCLUDED + +#include <linux/compat.h> +#include <linux/device.h> +#include <linux/firewire.h> +#include <linux/firewire-constants.h> +#include <linux/module.h> +#include <linux/mod_devicetable.h> +#include <linux/delay.h> +#include <linux/slab.h> + +#include <sound/core.h> +#include <sound/initval.h> + +#include "../lib.h" +#include "../fcp.h" + +/* basic register addresses on DM1000/DM1100/DM1500 */ +#define BEBOB_ADDR_REG_INFO 0xffffc8020000 +#define BEBOB_ADDR_REG_REQ 0xffffc8021000 + +struct snd_bebob { + struct snd_card *card; + struct fw_unit *unit; + int card_index; + + struct mutex mutex; + spinlock_t lock; +}; + +static inline int +snd_bebob_read_block(struct fw_unit *unit, u64 addr, void *buf, int size) +{ + return snd_fw_transaction(unit, TCODE_READ_BLOCK_REQUEST, + BEBOB_ADDR_REG_INFO + addr, + buf, size, 0); +} + +static inline int +snd_bebob_read_quad(struct fw_unit *unit, u64 addr, u32 *buf) +{ + return snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST, + BEBOB_ADDR_REG_INFO + addr, + (void *)buf, sizeof(u32), 0); +} + +#define SND_BEBOB_DEV_ENTRY(vendor, model) \ +{ \ + .match_flags = IEEE1394_MATCH_VENDOR_ID | \ + IEEE1394_MATCH_MODEL_ID, \ + .vendor_id = vendor, \ + .model_id = model, \ +} + +#endif |