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-rw-r--r--sound/pci/pcxhr/pcxhr.h188
1 files changed, 188 insertions, 0 deletions
diff --git a/sound/pci/pcxhr/pcxhr.h b/sound/pci/pcxhr/pcxhr.h
new file mode 100644
index 000000000000..049f2b3f2867
--- /dev/null
+++ b/sound/pci/pcxhr/pcxhr.h
@@ -0,0 +1,188 @@
1/*
2 * Driver for Digigram pcxhr soundcards
3 *
4 * main header file
5 *
6 * Copyright (c) 2004 by Digigram <alsa@digigram.com>
7 *
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.
12 *
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.
17 *
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
21 */
22
23#ifndef __SOUND_PCXHR_H
24#define __SOUND_PCXHR_H
25
26#include <linux/interrupt.h>
27#include <sound/pcm.h>
28
29#define PCXHR_DRIVER_VERSION 0x000804 /* 0.8.4 */
30#define PCXHR_DRIVER_VERSION_STRING "0.8.4" /* 0.8.4 */
31
32
33#define PCXHR_MAX_CARDS 6
34#define PCXHR_PLAYBACK_STREAMS 4
35
36#define PCXHR_GRANULARITY 96 /* transfer granularity (should be min 96 and multiple of 48) */
37#define PCXHR_GRANULARITY_MIN 96 /* transfer granularity of pipes and the dsp time (MBOX4) */
38
39struct snd_pcxhr;
40struct pcxhr_mgr;
41
42struct pcxhr_stream;
43struct pcxhr_pipe;
44
45enum pcxhr_clock_type {
46 PCXHR_CLOCK_TYPE_INTERNAL = 0,
47 PCXHR_CLOCK_TYPE_WORD_CLOCK,
48 PCXHR_CLOCK_TYPE_AES_SYNC,
49 PCXHR_CLOCK_TYPE_AES_1,
50 PCXHR_CLOCK_TYPE_AES_2,
51 PCXHR_CLOCK_TYPE_AES_3,
52 PCXHR_CLOCK_TYPE_AES_4,
53};
54
55struct pcxhr_mgr {
56 unsigned int num_cards;
57 struct snd_pcxhr *chip[PCXHR_MAX_CARDS];
58
59 struct pci_dev *pci;
60
61 int irq;
62
63 /* card access with 1 mem bar and 2 io bar's */
64 unsigned long port[3];
65
66 /* share the name */
67 char shortname[32]; /* short name of this soundcard */
68 char longname[96]; /* name of this soundcard */
69
70 /* message tasklet */
71 struct tasklet_struct msg_taskq;
72 struct pcxhr_rmh *prmh;
73 /* trigger tasklet */
74 struct tasklet_struct trigger_taskq;
75
76 spinlock_t lock; /* interrupt spinlock */
77 spinlock_t msg_lock; /* message spinlock */
78
79 struct semaphore setup_mutex; /* mutex used in hw_params, open and close */
80 struct semaphore mixer_mutex; /* mutex for mixer */
81
82 /* hardware interface */
83 unsigned int dsp_loaded; /* bit flags of loaded dsp indices */
84 unsigned int dsp_version; /* read from embedded once firmware is loaded */
85 int board_has_analog; /* if 0 the board is digital only */
86 int mono_capture; /* if 1 the board does mono capture */
87 int playback_chips; /* 4 or 6 */
88 int capture_chips; /* 4 or 1 */
89 int firmware_num; /* 41 or 42 */
90
91 struct snd_dma_buffer hostport;
92
93 enum pcxhr_clock_type use_clock_type; /* clock type selected by mixer */
94 enum pcxhr_clock_type cur_clock_type; /* current clock type synced */
95 int sample_rate;
96 int ref_count_rate;
97 int timer_toggle; /* timer interrupt toggles between the two values 0x200 and 0x300 */
98 int dsp_time_last; /* the last dsp time (read by interrupt) */
99 int dsp_time_err; /* dsp time errors */
100 unsigned int src_it_dsp; /* dsp interrupt source */
101 unsigned int io_num_reg_cont; /* backup of IO_NUM_REG_CONT */
102 unsigned int codec_speed; /* speed mode of the codecs */
103 unsigned int sample_rate_real; /* current real sample rate */
104 int last_reg_stat;
105 int async_err_stream_xrun;
106 int async_err_pipe_xrun;
107 int async_err_other_last;
108};
109
110
111enum pcxhr_stream_status {
112 PCXHR_STREAM_STATUS_FREE,
113 PCXHR_STREAM_STATUS_OPEN,
114 PCXHR_STREAM_STATUS_SCHEDULE_RUN,
115 PCXHR_STREAM_STATUS_STARTED,
116 PCXHR_STREAM_STATUS_RUNNING,
117 PCXHR_STREAM_STATUS_SCHEDULE_STOP,
118 PCXHR_STREAM_STATUS_STOPPED,
119 PCXHR_STREAM_STATUS_PAUSED
120};
121
122struct pcxhr_stream {
123 struct snd_pcm_substream *substream;
124 snd_pcm_format_t format;
125 struct pcxhr_pipe *pipe;
126
127 enum pcxhr_stream_status status; /* free, open, running, draining, pause */
128
129 u_int64_t timer_abs_periods; /* timer: samples elapsed since TRIGGER_START (multiple of period_size) */
130 u_int32_t timer_period_frag; /* timer: samples elapsed since last call to snd_pcm_period_elapsed (0..period_size) */
131 u_int32_t timer_buf_periods; /* nb of periods in the buffer that have already elapsed */
132 int timer_is_synced; /* if(0) : timer needs to be resynced with real hardware pointer */
133
134 int channels;
135};
136
137
138enum pcxhr_pipe_status {
139 PCXHR_PIPE_UNDEFINED,
140 PCXHR_PIPE_DEFINED
141};
142
143struct pcxhr_pipe {
144 enum pcxhr_pipe_status status;
145 int is_capture; /* this is a capture pipe */
146 int first_audio; /* first audio num */
147};
148
149
150struct snd_pcxhr {
151 struct snd_card *card;
152 struct pcxhr_mgr *mgr;
153 int chip_idx; /* zero based */
154
155 struct snd_pcm *pcm; /* PCM */
156
157 struct pcxhr_pipe playback_pipe; /* 1 stereo pipe only */
158 struct pcxhr_pipe capture_pipe[2]; /* 1 stereo pipe or 2 mono pipes */
159
160 struct pcxhr_stream playback_stream[PCXHR_PLAYBACK_STREAMS];
161 struct pcxhr_stream capture_stream[2]; /* 1 stereo stream or 2 mono streams */
162 int nb_streams_play;
163 int nb_streams_capt;
164
165 int analog_playback_active[2]; /* Mixer : Master Playback active (!mute) */
166 int analog_playback_volume[2]; /* Mixer : Master Playback Volume */
167 int analog_capture_volume[2]; /* Mixer : Master Capture Volume */
168 int digital_playback_active[PCXHR_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Active [streams][stereo]*/
169 int digital_playback_volume[PCXHR_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Volume [streams][stereo]*/
170 int digital_capture_volume[2]; /* Mixer : Digital Capture Volume [stereo] */
171 int monitoring_active[2]; /* Mixer : Monitoring Active */
172 int monitoring_volume[2]; /* Mixer : Monitoring Volume */
173 int audio_capture_source; /* Mixer : Audio Capture Source */
174 unsigned char aes_bits[5]; /* Mixer : IEC958_AES bits */
175};
176
177struct pcxhr_hostport
178{
179 char purgebuffer[6];
180 char reserved[2];
181};
182
183/* exported */
184int pcxhr_create_pcm(struct snd_pcxhr *chip);
185int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate);
186int pcxhr_get_external_clock(struct pcxhr_mgr *mgr, enum pcxhr_clock_type clock_type, int *sample_rate);
187
188#endif /* __SOUND_PCXHR_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-01 03:25:45 -0500