2 * Driver for Digigram miXart soundcards
6 * Copyright (c) 2003 by Digigram <alsa@digigram.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifndef __SOUND_MIXART_H
24 #define __SOUND_MIXART_H
26 #include <linux/interrupt.h>
27 #include <sound/pcm.h>
29 #define MIXART_DRIVER_VERSION 0x000100 /* 0.1.0 */
48 unsigned char connected
;
49 unsigned char phase_inv
;
54 /* firmware status codes */
55 #define MIXART_MOTHERBOARD_XLX_INDEX 0
56 #define MIXART_MOTHERBOARD_ELF_INDEX 1
57 #define MIXART_AESEBUBOARD_XLX_INDEX 2
58 #define MIXART_HARDW_FILES_MAX_INDEX 3 /* xilinx, elf, AESEBU xilinx */
60 #define MIXART_MAX_CARDS 4
61 #define MSG_FIFO_SIZE 16
63 #define MIXART_MAX_PHYS_CONNECTORS (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */
66 unsigned int num_cards
;
67 struct snd_mixart
*chip
[MIXART_MAX_CARDS
];
74 struct mem_area mem
[2];
77 char shortname
[32]; /* short name of this soundcard */
78 char longname
[80]; /* name of this soundcard */
81 struct tasklet_struct msg_taskq
;
83 /* one and only blocking message or notification may be pending */
85 wait_queue_head_t msg_sleep
;
87 /* messages stored for tasklet */
88 u32 msg_fifo
[MSG_FIFO_SIZE
];
90 int msg_fifo_writeptr
;
91 atomic_t msg_processed
; /* number of messages to be processed in takslet */
93 spinlock_t lock
; /* interrupt spinlock */
94 spinlock_t msg_lock
; /* mailbox spinlock */
95 struct semaphore msg_mutex
; /* mutex for blocking_requests */
97 struct semaphore setup_mutex
; /* mutex used in hw_params, open and close */
99 /* hardware interface */
100 unsigned int dsp_loaded
; /* bit flags of loaded dsp indices */
101 unsigned int board_type
; /* read from embedded once elf file is loaded, 250 = miXart8, 251 = with AES, 252 = with Cobranet */
103 struct snd_dma_buffer flowinfo
;
104 struct snd_dma_buffer bufferinfo
;
106 struct mixart_uid uid_console_manager
;
110 struct semaphore mixer_mutex
; /* mutex for mixer */
115 #define MIXART_STREAM_STATUS_FREE 0
116 #define MIXART_STREAM_STATUS_OPEN 1
117 #define MIXART_STREAM_STATUS_RUNNING 2
118 #define MIXART_STREAM_STATUS_DRAINING 3
119 #define MIXART_STREAM_STATUS_PAUSE 4
121 #define MIXART_PLAYBACK_STREAMS 4
122 #define MIXART_CAPTURE_STREAMS 1
124 #define MIXART_PCM_ANALOG 0
125 #define MIXART_PCM_DIGITAL 1
126 #define MIXART_PCM_TOTAL 2
128 #define MIXART_MAX_STREAM_PER_CARD (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) )
131 #define MIXART_NOTIFY_CARD_MASK 0xF000
132 #define MIXART_NOTIFY_CARD_OFFSET 12
133 #define MIXART_NOTIFY_PCM_MASK 0x0F00
134 #define MIXART_NOTIFY_PCM_OFFSET 8
135 #define MIXART_NOTIFY_CAPT_MASK 0x0080
136 #define MIXART_NOTIFY_SUBS_MASK 0x007F
139 struct mixart_stream
{
140 struct snd_pcm_substream
*substream
;
141 struct mixart_pipe
*pipe
;
144 int status
; /* nothing, running, draining */
146 u64 abs_period_elapsed
; /* last absolute stream position where period_elapsed was called (multiple of runtime->period_size) */
147 u32 buf_periods
; /* periods counter in the buffer (< runtime->periods) */
148 u32 buf_period_frag
; /* defines with buf_period_pos the exact position in the buffer (< runtime->period_size) */
154 enum mixart_pipe_status
{
162 struct mixart_uid group_uid
; /* id of the pipe, as returned by embedded */
164 struct mixart_uid uid_left_connector
; /* UID's for the audio connectors */
165 struct mixart_uid uid_right_connector
;
166 enum mixart_pipe_status status
;
167 int references
; /* number of subs openned */
168 int monitoring
; /* pipe used for monitoring issue */
173 struct snd_card
*card
;
174 struct mixart_mgr
*mgr
;
175 int chip_idx
; /* zero based */
176 struct snd_hwdep
*hwdep
; /* DSP loader, only for the first card */
178 struct snd_pcm
*pcm
; /* PCM analog i/o */
179 struct snd_pcm
*pcm_dig
; /* PCM digital i/o */
181 /* allocate stereo pipe for instance */
182 struct mixart_pipe pipe_in_ana
;
183 struct mixart_pipe pipe_out_ana
;
185 /* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */
186 struct mixart_pipe pipe_in_dig
;
187 struct mixart_pipe pipe_out_dig
;
189 struct mixart_stream playback_stream
[MIXART_PCM_TOTAL
][MIXART_PLAYBACK_STREAMS
]; /* 0 = pcm, 1 = pcm_dig */
190 struct mixart_stream capture_stream
[MIXART_PCM_TOTAL
]; /* 0 = pcm, 1 = pcm_dig */
192 /* UID's for the physical io's */
193 struct mixart_uid uid_out_analog_physio
;
194 struct mixart_uid uid_in_analog_physio
;
196 int analog_playback_active
[2]; /* Mixer : Master Playback active (!mute) */
197 int analog_playback_volume
[2]; /* Mixer : Master Playback Volume */
198 int analog_capture_volume
[2]; /* Mixer : Master Capture Volume */
199 int digital_playback_active
[2*MIXART_PLAYBACK_STREAMS
][2]; /* Mixer : Digital Playback Active [(analog+AES output)*streams][stereo]*/
200 int digital_playback_volume
[2*MIXART_PLAYBACK_STREAMS
][2]; /* Mixer : Digital Playback Volume [(analog+AES output)*streams][stereo]*/
201 int digital_capture_volume
[2][2]; /* Mixer : Digital Capture Volume [analog+AES output][stereo] */
202 int monitoring_active
[2]; /* Mixer : Monitoring Active */
203 int monitoring_volume
[2]; /* Mixer : Monitoring Volume */
206 struct mixart_bufferinfo
210 u32 available_length
;
214 struct mixart_flowinfo
216 u32 bufferinfo_array_phy_address
;
218 u32 bufferinfo_count
;
223 int snd_mixart_create_pcm(struct snd_mixart
* chip
);
224 struct mixart_pipe
*snd_mixart_add_ref_pipe(struct snd_mixart
*chip
, int pcm_number
, int capture
, int monitoring
);
225 int snd_mixart_kill_ref_pipe(struct mixart_mgr
*mgr
, struct mixart_pipe
*pipe
, int monitoring
);
227 #endif /* __SOUND_MIXART_H */