diff options
Diffstat (limited to 'kernel/sound/firewire/fireworks/fireworks.h')
| -rw-r--r-- | kernel/sound/firewire/fireworks/fireworks.h | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/kernel/sound/firewire/fireworks/fireworks.h b/kernel/sound/firewire/fireworks/fireworks.h new file mode 100644 index 000000000..4f0201a95 --- /dev/null +++ b/kernel/sound/firewire/fireworks/fireworks.h @@ -0,0 +1,232 @@ +/* + * fireworks.h - a part of driver for Fireworks based devices + * + * Copyright (c) 2009-2010 Clemens Ladisch + * Copyright (c) 2013-2014 Takashi Sakamoto + * + * Licensed under the terms of the GNU General Public License, version 2. + */ +#ifndef SOUND_FIREWORKS_H_INCLUDED +#define SOUND_FIREWORKS_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 <sound/pcm.h> +#include <sound/info.h> +#include <sound/rawmidi.h> +#include <sound/pcm_params.h> +#include <sound/firewire.h> +#include <sound/hwdep.h> + +#include "../packets-buffer.h" +#include "../iso-resources.h" +#include "../amdtp.h" +#include "../cmp.h" +#include "../lib.h" + +#define SND_EFW_MAX_MIDI_OUT_PORTS 2 +#define SND_EFW_MAX_MIDI_IN_PORTS 2 + +#define SND_EFW_MULTIPLIER_MODES 3 +#define HWINFO_NAME_SIZE_BYTES 32 +#define HWINFO_MAX_CAPS_GROUPS 8 + +/* + * This should be greater than maximum bytes for EFW response content. + * Currently response against command for isochronous channel mapping is + * confirmed to be the maximum one. But for flexibility, use maximum data + * payload for asynchronous primary packets at S100 (Cable base rate) in + * IEEE Std 1394-1995. + */ +#define SND_EFW_RESPONSE_MAXIMUM_BYTES 0x200U + +extern unsigned int snd_efw_resp_buf_size; +extern bool snd_efw_resp_buf_debug; + +struct snd_efw_phys_grp { + u8 type; /* see enum snd_efw_grp_type */ + u8 count; +} __packed; + +struct snd_efw { + struct snd_card *card; + struct fw_unit *unit; + int card_index; + + struct mutex mutex; + spinlock_t lock; + + /* for transaction */ + u32 seqnum; + bool resp_addr_changable; + + /* for quirks */ + bool is_af9; + u32 firmware_version; + + unsigned int midi_in_ports; + unsigned int midi_out_ports; + + unsigned int supported_sampling_rate; + unsigned int pcm_capture_channels[SND_EFW_MULTIPLIER_MODES]; + unsigned int pcm_playback_channels[SND_EFW_MULTIPLIER_MODES]; + + struct amdtp_stream *master; + struct amdtp_stream tx_stream; + struct amdtp_stream rx_stream; + struct cmp_connection out_conn; + struct cmp_connection in_conn; + atomic_t capture_substreams; + atomic_t playback_substreams; + + /* hardware metering parameters */ + unsigned int phys_out; + unsigned int phys_in; + unsigned int phys_out_grp_count; + unsigned int phys_in_grp_count; + struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS]; + struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS]; + + /* for uapi */ + int dev_lock_count; + bool dev_lock_changed; + wait_queue_head_t hwdep_wait; + + /* response queue */ + u8 *resp_buf; + u8 *pull_ptr; + u8 *push_ptr; + unsigned int resp_queues; +}; + +int snd_efw_transaction_cmd(struct fw_unit *unit, + const void *cmd, unsigned int size); +int snd_efw_transaction_run(struct fw_unit *unit, + const void *cmd, unsigned int cmd_size, + void *resp, unsigned int resp_size); +int snd_efw_transaction_register(void); +void snd_efw_transaction_unregister(void); +void snd_efw_transaction_bus_reset(struct fw_unit *unit); +void snd_efw_transaction_add_instance(struct snd_efw *efw); +void snd_efw_transaction_remove_instance(struct snd_efw *efw); + +struct snd_efw_hwinfo { + u32 flags; + u32 guid_hi; + u32 guid_lo; + u32 type; + u32 version; + char vendor_name[HWINFO_NAME_SIZE_BYTES]; + char model_name[HWINFO_NAME_SIZE_BYTES]; + u32 supported_clocks; + u32 amdtp_rx_pcm_channels; + u32 amdtp_tx_pcm_channels; + u32 phys_out; + u32 phys_in; + u32 phys_out_grp_count; + struct snd_efw_phys_grp phys_out_grps[HWINFO_MAX_CAPS_GROUPS]; + u32 phys_in_grp_count; + struct snd_efw_phys_grp phys_in_grps[HWINFO_MAX_CAPS_GROUPS]; + u32 midi_out_ports; + u32 midi_in_ports; + u32 max_sample_rate; + u32 min_sample_rate; + u32 dsp_version; + u32 arm_version; + u32 mixer_playback_channels; + u32 mixer_capture_channels; + u32 fpga_version; + u32 amdtp_rx_pcm_channels_2x; + u32 amdtp_tx_pcm_channels_2x; + u32 amdtp_rx_pcm_channels_4x; + u32 amdtp_tx_pcm_channels_4x; + u32 reserved[16]; +} __packed; +enum snd_efw_grp_type { + SND_EFW_CH_TYPE_ANALOG = 0, + SND_EFW_CH_TYPE_SPDIF = 1, + SND_EFW_CH_TYPE_ADAT = 2, + SND_EFW_CH_TYPE_SPDIF_OR_ADAT = 3, + SND_EFW_CH_TYPE_ANALOG_MIRRORING = 4, + SND_EFW_CH_TYPE_HEADPHONES = 5, + SND_EFW_CH_TYPE_I2S = 6, + SND_EFW_CH_TYPE_GUITAR = 7, + SND_EFW_CH_TYPE_PIEZO_GUITAR = 8, + SND_EFW_CH_TYPE_GUITAR_STRING = 9, + SND_EFW_CH_TYPE_DUMMY +}; +struct snd_efw_phys_meters { + u32 status; /* guitar state/midi signal/clock input detect */ + u32 reserved0; + u32 reserved1; + u32 reserved2; + u32 reserved3; + u32 out_meters; + u32 in_meters; + u32 reserved4; + u32 reserved5; + u32 values[0]; +} __packed; +enum snd_efw_clock_source { + SND_EFW_CLOCK_SOURCE_INTERNAL = 0, + SND_EFW_CLOCK_SOURCE_SYTMATCH = 1, + SND_EFW_CLOCK_SOURCE_WORDCLOCK = 2, + SND_EFW_CLOCK_SOURCE_SPDIF = 3, + SND_EFW_CLOCK_SOURCE_ADAT_1 = 4, + SND_EFW_CLOCK_SOURCE_ADAT_2 = 5, + SND_EFW_CLOCK_SOURCE_CONTINUOUS = 6 /* internal variable clock */ +}; +enum snd_efw_transport_mode { + SND_EFW_TRANSPORT_MODE_WINDOWS = 0, + SND_EFW_TRANSPORT_MODE_IEC61883 = 1, +}; +int snd_efw_command_set_resp_addr(struct snd_efw *efw, + u16 addr_high, u32 addr_low); +int snd_efw_command_set_tx_mode(struct snd_efw *efw, + enum snd_efw_transport_mode mode); +int snd_efw_command_get_hwinfo(struct snd_efw *efw, + struct snd_efw_hwinfo *hwinfo); +int snd_efw_command_get_phys_meters(struct snd_efw *efw, + struct snd_efw_phys_meters *meters, + unsigned int len); +int snd_efw_command_get_clock_source(struct snd_efw *efw, + enum snd_efw_clock_source *source); +int snd_efw_command_get_sampling_rate(struct snd_efw *efw, unsigned int *rate); +int snd_efw_command_set_sampling_rate(struct snd_efw *efw, unsigned int rate); + +int snd_efw_stream_init_duplex(struct snd_efw *efw); +int snd_efw_stream_start_duplex(struct snd_efw *efw, unsigned int rate); +void snd_efw_stream_stop_duplex(struct snd_efw *efw); +void snd_efw_stream_update_duplex(struct snd_efw *efw); +void snd_efw_stream_destroy_duplex(struct snd_efw *efw); +void snd_efw_stream_lock_changed(struct snd_efw *efw); +int snd_efw_stream_lock_try(struct snd_efw *efw); +void snd_efw_stream_lock_release(struct snd_efw *efw); + +void snd_efw_proc_init(struct snd_efw *efw); + +int snd_efw_create_midi_devices(struct snd_efw *efw); + +int snd_efw_create_pcm_devices(struct snd_efw *efw); +int snd_efw_get_multiplier_mode(unsigned int sampling_rate, unsigned int *mode); + +int snd_efw_create_hwdep_device(struct snd_efw *efw); + +#define SND_EFW_DEV_ENTRY(vendor, model) \ +{ \ + .match_flags = IEEE1394_MATCH_VENDOR_ID | \ + IEEE1394_MATCH_MODEL_ID, \ + .vendor_id = vendor,\ + .model_id = model \ +} + +#endif |