1 files changed, 242 insertions, 0 deletions

diff --git a/sound/pci/mixart/mixart.h b/sound/pci/mixart/mixart.h
new file mode 100644
index 000000000000..f87152f94c0e
--- /dev/null
+++ b/sound/pci/mixart/mixart.h
@@ -0,0 +1,242 @@
+/*
+ * Driver for Digigram miXart soundcards
+ *
+ * main header file
+ *
+ * Copyright (c) 2003 by Digigram <alsa@digigram.com>
+ *
+ *   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
+ */
+
+#ifndef __SOUND_MIXART_H
+#define __SOUND_MIXART_H
+
+#include <linux/interrupt.h>
+#include <sound/pcm.h>
+
+#define MIXART_DRIVER_VERSION   0x000100        /* 0.1.0 */
+
+
+/*
+ */
+
+#define mixart_t_magic          0xa17a3e01
+#define mixart_mgr_t_magic      0xa17a3e02
+
+typedef struct snd_mixart mixart_t;
+typedef struct snd_mixart_mgr mixart_mgr_t;
+
+typedef struct snd_mixart_stream mixart_stream_t;
+typedef struct snd_mixart_pipe mixart_pipe_t;
+
+typedef struct mixart_bufferinfo mixart_bufferinfo_t;
+typedef struct mixart_flowinfo mixart_flowinfo_t;
+typedef struct mixart_uid mixart_uid_t;
+
+struct mixart_uid
+{
+        u32 object_id;
+        u32 desc;
+};
+
+struct mem_area {
+        unsigned long phys;
+        void __iomem *virt;
+        struct resource *res;
+};
+
+
+typedef struct mixart_route mixart_route_t;
+struct mixart_route {
+        unsigned char connected;
+        unsigned char phase_inv;
+        int volume;
+};
+
+
+/* firmware status codes  */
+#define MIXART_MOTHERBOARD_XLX_INDEX  0
+#define MIXART_MOTHERBOARD_ELF_INDEX  1
+#define MIXART_AESEBUBOARD_XLX_INDEX  2
+#define MIXART_HARDW_FILES_MAX_INDEX  3  /* xilinx, elf, AESEBU xilinx */
+
+#define MIXART_MAX_CARDS        4
+#define MSG_FIFO_SIZE           16
+
+#define MIXART_MAX_PHYS_CONNECTORS  (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */
+
+struct snd_mixart_mgr {
+        unsigned int num_cards;
+        mixart_t *chip[MIXART_MAX_CARDS];
+
+        struct pci_dev *pci;
+
+        int irq;
+
+        /* memory-maps */
+        struct mem_area mem[2];
+
+        /* share the name */
+        char shortname[32];         /* short name of this soundcard */
+        char longname[80];          /* name of this soundcard */
+
+        /* message tasklet */
+        struct tasklet_struct msg_taskq;
+
+        /* one and only blocking message or notification may be pending  */
+        u32 pending_event;
+        wait_queue_head_t msg_sleep;
+
+        /* messages stored for tasklet */
+        u32 msg_fifo[MSG_FIFO_SIZE];
+        int msg_fifo_readptr;
+        int msg_fifo_writeptr;
+        atomic_t msg_processed;       /* number of messages to be processed in takslet */
+
+        spinlock_t lock;              /* interrupt spinlock */
+        spinlock_t msg_lock;          /* mailbox spinlock */
+        struct semaphore msg_mutex;   /* mutex for blocking_requests */
+
+        struct semaphore setup_mutex; /* mutex used in hw_params, open and close */
+
+        /* hardware interface */
+        unsigned int dsp_loaded;      /* bit flags of loaded dsp indices */
+        unsigned int board_type;      /* read from embedded once elf file is loaded, 250 = miXart8, 251 = with AES, 252 = with Cobranet */
+
+        struct snd_dma_buffer flowinfo;
+        struct snd_dma_buffer bufferinfo;
+
+        mixart_uid_t         uid_console_manager;
+        int sample_rate;
+        int ref_count_rate;
+
+        struct semaphore mixer_mutex; /* mutex for mixer */
+
+};
+
+
+#define MIXART_STREAM_STATUS_FREE       0
+#define MIXART_STREAM_STATUS_OPEN       1
+#define MIXART_STREAM_STATUS_RUNNING    2
+#define MIXART_STREAM_STATUS_DRAINING   3
+#define MIXART_STREAM_STATUS_PAUSE      4
+
+#define MIXART_PLAYBACK_STREAMS         4
+#define MIXART_CAPTURE_STREAMS          1
+
+#define MIXART_PCM_ANALOG               0
+#define MIXART_PCM_DIGITAL              1
+#define MIXART_PCM_TOTAL                2
+
+#define MIXART_MAX_STREAM_PER_CARD  (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) )
+
+
+#define MIXART_NOTIFY_CARD_MASK         0xF000
+#define MIXART_NOTIFY_CARD_OFFSET       12
+#define MIXART_NOTIFY_PCM_MASK          0x0F00
+#define MIXART_NOTIFY_PCM_OFFSET        8
+#define MIXART_NOTIFY_CAPT_MASK         0x0080
+#define MIXART_NOTIFY_SUBS_MASK         0x007F
+
+
+struct snd_mixart_stream {
+        snd_pcm_substream_t *substream;
+        mixart_pipe_t *pipe;
+        int pcm_number;
+
+        int status;      /* nothing, running, draining */
+
+        u64  abs_period_elapsed;  /* last absolute stream position where period_elapsed was called (multiple of runtime->period_size) */
+        u32  buf_periods;         /* periods counter in the buffer (< runtime->periods) */
+        u32  buf_period_frag;     /* defines with buf_period_pos the exact position in the buffer (< runtime->period_size) */
+
+        int channels;
+};
+
+
+enum mixart_pipe_status {
+        PIPE_UNDEFINED,
+        PIPE_STOPPED,
+        PIPE_RUNNING,
+        PIPE_CLOCK_SET
+};
+
+struct snd_mixart_pipe {
+        mixart_uid_t group_uid;                 /* id of the pipe, as returned by embedded */
+        int          stream_count;
+        mixart_uid_t uid_left_connector;        /* UID's for the audio connectors */
+        mixart_uid_t uid_right_connector;
+        enum mixart_pipe_status status;
+        int references;             /* number of subs openned */
+        int monitoring;             /* pipe used for monitoring issue */
+};
+
+
+struct snd_mixart {
+        snd_card_t *card;
+        mixart_mgr_t *mgr;
+        int chip_idx;               /* zero based */
+        snd_hwdep_t *hwdep;         /* DSP loader, only for the first card */
+
+        snd_pcm_t *pcm;             /* PCM analog i/o */
+        snd_pcm_t *pcm_dig;         /* PCM digital i/o */
+
+        /* allocate stereo pipe for instance */
+        mixart_pipe_t pipe_in_ana;
+        mixart_pipe_t pipe_out_ana;
+
+        /* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */
+        mixart_pipe_t pipe_in_dig;
+        mixart_pipe_t pipe_out_dig;
+
+        mixart_stream_t playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */
+        mixart_stream_t capture_stream[MIXART_PCM_TOTAL];                           /* 0 = pcm, 1 = pcm_dig */
+
+        /* UID's for the physical io's */
+        mixart_uid_t uid_out_analog_physio;
+        mixart_uid_t uid_in_analog_physio;
+
+        int analog_playback_active[2];          /* Mixer : Master Playback active (!mute) */
+        int analog_playback_volume[2];          /* Mixer : Master Playback Volume */
+        int analog_capture_volume[2];           /* Mixer : Master Capture Volume */
+        int digital_playback_active[2*MIXART_PLAYBACK_STREAMS][2];      /* Mixer : Digital Playback Active [(analog+AES output)*streams][stereo]*/
+        int digital_playback_volume[2*MIXART_PLAYBACK_STREAMS][2];      /* Mixer : Digital Playback Volume [(analog+AES output)*streams][stereo]*/
+        int digital_capture_volume[2][2];       /* Mixer : Digital Capture Volume [analog+AES output][stereo] */
+        int monitoring_active[2];               /* Mixer : Monitoring Active */
+        int monitoring_volume[2];               /* Mixer : Monitoring Volume */
+};
+
+struct mixart_bufferinfo
+{
+        u32 buffer_address;
+        u32 reserved[5];
+        u32 available_length;
+        u32 buffer_id;
+};
+
+struct mixart_flowinfo
+{
+        u32 bufferinfo_array_phy_address;
+        u32 reserved[11];
+        u32 bufferinfo_count;
+        u32 capture;
+};
+
+/* exported */
+int snd_mixart_create_pcm(mixart_t* chip);
+mixart_pipe_t* snd_mixart_add_ref_pipe( mixart_t *chip, int pcm_number, int capture, int monitoring);
+int snd_mixart_kill_ref_pipe( mixart_mgr_t *mgr, mixart_pipe_t *pipe, int monitoring);
+
+#endif /* __SOUND_MIXART_H */