ALSA: bebob: Add commands and connections/streams management

[linux-2.6-block.git] / sound / firewire / bebob / bebob.h

diff --git a/sound/firewire/bebob/bebob.h b/sound/firewire/bebob/bebob.h
index 862f756ec281c5489731e14cf18c8e1381976be0..a195c16da41ed500e07ba6f4a76e05e075f5f2c0 100644 (file)
--- a/sound/firewire/bebob/bebob.h
+++ b/sound/firewire/bebob/bebob.h
@@ -23,11 +23,25 @@
 
 #include "../lib.h"
 #include "../fcp.h"
+#include "../packets-buffer.h"
+#include "../iso-resources.h"
+#include "../amdtp.h"
+#include "../cmp.h"
 
 /* basic register addresses on DM1000/DM1100/DM1500 */
 #define BEBOB_ADDR_REG_INFO    0xffffc8020000
 #define BEBOB_ADDR_REG_REQ     0xffffc8021000
 
+struct snd_bebob;
+
+#define SND_BEBOB_STRM_FMT_ENTRIES     7
+struct snd_bebob_stream_formation {
+       unsigned int pcm;
+       unsigned int midi;
+};
+/* this is a lookup table for index of stream formations */
+extern const unsigned int snd_bebob_rate_table[SND_BEBOB_STRM_FMT_ENTRIES];
+
 struct snd_bebob {
        struct snd_card *card;
        struct fw_unit *unit;
@@ -35,6 +49,24 @@ struct snd_bebob {
 
        struct mutex mutex;
        spinlock_t lock;
+
+       unsigned int midi_input_ports;
+       unsigned int midi_output_ports;
+
+       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;
+
+       struct snd_bebob_stream_formation
+               tx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
+       struct snd_bebob_stream_formation
+               rx_stream_formations[SND_BEBOB_STRM_FMT_ENTRIES];
+
+       int sync_input_plug;
 };
 
 static inline int
@@ -53,6 +85,88 @@ snd_bebob_read_quad(struct fw_unit *unit, u64 addr, u32 *buf)
                                  (void *)buf, sizeof(u32), 0);
 }
 
+/*
+ * AVC command extensions, AV/C Unit and Subunit, Revision 17
+ * (Nov 2003, BridgeCo)
+ */
+#define        AVC_BRIDGECO_ADDR_BYTES 6
+enum avc_bridgeco_plug_dir {
+       AVC_BRIDGECO_PLUG_DIR_IN        = 0x00,
+       AVC_BRIDGECO_PLUG_DIR_OUT       = 0x01
+};
+enum avc_bridgeco_plug_mode {
+       AVC_BRIDGECO_PLUG_MODE_UNIT             = 0x00,
+       AVC_BRIDGECO_PLUG_MODE_SUBUNIT          = 0x01,
+       AVC_BRIDGECO_PLUG_MODE_FUNCTION_BLOCK   = 0x02
+};
+enum avc_bridgeco_plug_unit {
+       AVC_BRIDGECO_PLUG_UNIT_ISOC     = 0x00,
+       AVC_BRIDGECO_PLUG_UNIT_EXT      = 0x01,
+       AVC_BRIDGECO_PLUG_UNIT_ASYNC    = 0x02
+};
+enum avc_bridgeco_plug_type {
+       AVC_BRIDGECO_PLUG_TYPE_ISOC     = 0x00,
+       AVC_BRIDGECO_PLUG_TYPE_ASYNC    = 0x01,
+       AVC_BRIDGECO_PLUG_TYPE_MIDI     = 0x02,
+       AVC_BRIDGECO_PLUG_TYPE_SYNC     = 0x03,
+       AVC_BRIDGECO_PLUG_TYPE_ANA      = 0x04,
+       AVC_BRIDGECO_PLUG_TYPE_DIG      = 0x05
+};
+static inline void
+avc_bridgeco_fill_unit_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
+                           enum avc_bridgeco_plug_dir dir,
+                           enum avc_bridgeco_plug_unit unit,
+                           unsigned int pid)
+{
+       buf[0] = 0xff;  /* Unit */
+       buf[1] = dir;
+       buf[2] = AVC_BRIDGECO_PLUG_MODE_UNIT;
+       buf[3] = unit;
+       buf[4] = 0xff & pid;
+       buf[5] = 0xff;  /* reserved */
+}
+static inline void
+avc_bridgeco_fill_msu_addr(u8 buf[AVC_BRIDGECO_ADDR_BYTES],
+                          enum avc_bridgeco_plug_dir dir,
+                          unsigned int pid)
+{
+       buf[0] = 0x60;  /* Music subunit */
+       buf[1] = dir;
+       buf[2] = AVC_BRIDGECO_PLUG_MODE_SUBUNIT;
+       buf[3] = 0xff & pid;
+       buf[4] = 0xff;  /* reserved */
+       buf[5] = 0xff;  /* reserved */
+}
+int avc_bridgeco_get_plug_ch_pos(struct fw_unit *unit,
+                                u8 addr[AVC_BRIDGECO_ADDR_BYTES],
+                                u8 *buf, unsigned int len);
+int avc_bridgeco_get_plug_type(struct fw_unit *unit,
+                              u8 addr[AVC_BRIDGECO_ADDR_BYTES],
+                              enum avc_bridgeco_plug_type *type);
+int avc_bridgeco_get_plug_section_type(struct fw_unit *unit,
+                                      u8 addr[AVC_BRIDGECO_ADDR_BYTES],
+                                      unsigned int id, u8 *type);
+int avc_bridgeco_get_plug_input(struct fw_unit *unit,
+                               u8 addr[AVC_BRIDGECO_ADDR_BYTES],
+                               u8 input[7]);
+int avc_bridgeco_get_plug_strm_fmt(struct fw_unit *unit,
+                                  u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf,
+                                  unsigned int *len, unsigned int eid);
+
+/* for AMDTP streaming */
+int snd_bebob_stream_get_rate(struct snd_bebob *bebob, unsigned int *rate);
+int snd_bebob_stream_set_rate(struct snd_bebob *bebob, unsigned int rate);
+int snd_bebob_stream_check_internal_clock(struct snd_bebob *bebob,
+                                         bool *internal);
+int snd_bebob_stream_discover(struct snd_bebob *bebob);
+int snd_bebob_stream_map(struct snd_bebob *bebob,
+                        struct amdtp_stream *stream);
+int snd_bebob_stream_init_duplex(struct snd_bebob *bebob);
+int snd_bebob_stream_start_duplex(struct snd_bebob *bebob, int rate);
+void snd_bebob_stream_stop_duplex(struct snd_bebob *bebob);
+void snd_bebob_stream_update_duplex(struct snd_bebob *bebob);
+void snd_bebob_stream_destroy_duplex(struct snd_bebob *bebob);
+
 #define SND_BEBOB_DEV_ENTRY(vendor, model) \
 { \
        .match_flags    = IEEE1394_MATCH_VENDOR_ID | \