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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> | |
62932df8 | 27 | #include <linux/mutex.h> |
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28 | #include <sound/pcm.h> |
29 | ||
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30 | #define PCXHR_DRIVER_VERSION 0x000906 /* 0.9.6 */ |
31 | #define PCXHR_DRIVER_VERSION_STRING "0.9.6" /* 0.9.6 */ | |
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32 | |
33 | ||
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34 | #define PCXHR_MAX_CARDS 6 |
35 | #define PCXHR_PLAYBACK_STREAMS 4 | |
e12229b4 | 36 | |
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37 | #define PCXHR_GRANULARITY 96 /* min 96 and multiple of 48 */ |
38 | /* transfer granularity of pipes and the dsp time (MBOX4) */ | |
39 | #define PCXHR_GRANULARITY_MIN 96 | |
40 | /* TODO : granularity could be 64 or 128 */ | |
41 | #define PCXHR_GRANULARITY_HR22 192 /* granularity for stereo cards */ | |
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42 | |
43 | struct snd_pcxhr; | |
44 | struct pcxhr_mgr; | |
45 | ||
46 | struct pcxhr_stream; | |
47 | struct pcxhr_pipe; | |
48 | ||
49 | enum pcxhr_clock_type { | |
50 | PCXHR_CLOCK_TYPE_INTERNAL = 0, | |
51 | PCXHR_CLOCK_TYPE_WORD_CLOCK, | |
52 | PCXHR_CLOCK_TYPE_AES_SYNC, | |
53 | PCXHR_CLOCK_TYPE_AES_1, | |
54 | PCXHR_CLOCK_TYPE_AES_2, | |
55 | PCXHR_CLOCK_TYPE_AES_3, | |
56 | PCXHR_CLOCK_TYPE_AES_4, | |
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57 | PCXHR_CLOCK_TYPE_MAX = PCXHR_CLOCK_TYPE_AES_4, |
58 | HR22_CLOCK_TYPE_INTERNAL = PCXHR_CLOCK_TYPE_INTERNAL, | |
59 | HR22_CLOCK_TYPE_AES_SYNC, | |
60 | HR22_CLOCK_TYPE_AES_1, | |
61 | HR22_CLOCK_TYPE_MAX = HR22_CLOCK_TYPE_AES_1, | |
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62 | }; |
63 | ||
64 | struct pcxhr_mgr { | |
65 | unsigned int num_cards; | |
66 | struct snd_pcxhr *chip[PCXHR_MAX_CARDS]; | |
67 | ||
68 | struct pci_dev *pci; | |
69 | ||
70 | int irq; | |
71 | ||
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72 | int granularity; |
73 | ||
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74 | /* card access with 1 mem bar and 2 io bar's */ |
75 | unsigned long port[3]; | |
76 | ||
77 | /* share the name */ | |
78 | char shortname[32]; /* short name of this soundcard */ | |
79 | char longname[96]; /* name of this soundcard */ | |
80 | ||
e12229b4 | 81 | struct pcxhr_rmh *prmh; |
e12229b4 | 82 | |
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83 | struct mutex lock; /* interrupt lock */ |
84 | struct mutex msg_lock; /* message lock */ | |
e12229b4 | 85 | |
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86 | struct mutex setup_mutex; /* mutex used in hw_params, open and close */ |
87 | struct mutex mixer_mutex; /* mutex for mixer */ | |
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88 | |
89 | /* hardware interface */ | |
90 | unsigned int dsp_loaded; /* bit flags of loaded dsp indices */ | |
91 | unsigned int dsp_version; /* read from embedded once firmware is loaded */ | |
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92 | int playback_chips; |
93 | int capture_chips; | |
94 | int fw_file_set; | |
95 | int firmware_num; | |
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96 | unsigned int is_hr_stereo:1; |
97 | unsigned int board_has_aes1:1; /* if 1 board has AES1 plug and SRC */ | |
98 | unsigned int board_has_analog:1; /* if 0 the board is digital only */ | |
99 | unsigned int board_has_mic:1; /* if 1 the board has microphone input */ | |
100 | unsigned int board_aes_in_192k:1;/* if 1 the aes input plugs do support 192kHz */ | |
101 | unsigned int mono_capture:1; /* if 1 the board does mono capture */ | |
fdfbaf69 | 102 | unsigned int capture_ltc:1; /* if 1 the board captures LTC input */ |
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103 | |
104 | struct snd_dma_buffer hostport; | |
105 | ||
106 | enum pcxhr_clock_type use_clock_type; /* clock type selected by mixer */ | |
107 | enum pcxhr_clock_type cur_clock_type; /* current clock type synced */ | |
108 | int sample_rate; | |
109 | int ref_count_rate; | |
110 | int timer_toggle; /* timer interrupt toggles between the two values 0x200 and 0x300 */ | |
111 | int dsp_time_last; /* the last dsp time (read by interrupt) */ | |
112 | int dsp_time_err; /* dsp time errors */ | |
113 | unsigned int src_it_dsp; /* dsp interrupt source */ | |
114 | unsigned int io_num_reg_cont; /* backup of IO_NUM_REG_CONT */ | |
115 | unsigned int codec_speed; /* speed mode of the codecs */ | |
116 | unsigned int sample_rate_real; /* current real sample rate */ | |
117 | int last_reg_stat; | |
118 | int async_err_stream_xrun; | |
119 | int async_err_pipe_xrun; | |
120 | int async_err_other_last; | |
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121 | |
122 | unsigned char xlx_cfg; /* copy of PCXHR_XLX_CFG register */ | |
123 | unsigned char xlx_selmic; /* copy of PCXHR_XLX_SELMIC register */ | |
55aef450 | 124 | unsigned char dsp_reset; /* copy of PCXHR_DSP_RESET register */ |
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125 | }; |
126 | ||
127 | ||
128 | enum pcxhr_stream_status { | |
129 | PCXHR_STREAM_STATUS_FREE, | |
130 | PCXHR_STREAM_STATUS_OPEN, | |
131 | PCXHR_STREAM_STATUS_SCHEDULE_RUN, | |
132 | PCXHR_STREAM_STATUS_STARTED, | |
133 | PCXHR_STREAM_STATUS_RUNNING, | |
134 | PCXHR_STREAM_STATUS_SCHEDULE_STOP, | |
135 | PCXHR_STREAM_STATUS_STOPPED, | |
136 | PCXHR_STREAM_STATUS_PAUSED | |
137 | }; | |
138 | ||
139 | struct pcxhr_stream { | |
140 | struct snd_pcm_substream *substream; | |
141 | snd_pcm_format_t format; | |
142 | struct pcxhr_pipe *pipe; | |
143 | ||
144 | enum pcxhr_stream_status status; /* free, open, running, draining, pause */ | |
145 | ||
146 | u_int64_t timer_abs_periods; /* timer: samples elapsed since TRIGGER_START (multiple of period_size) */ | |
147 | u_int32_t timer_period_frag; /* timer: samples elapsed since last call to snd_pcm_period_elapsed (0..period_size) */ | |
148 | u_int32_t timer_buf_periods; /* nb of periods in the buffer that have already elapsed */ | |
149 | int timer_is_synced; /* if(0) : timer needs to be resynced with real hardware pointer */ | |
150 | ||
151 | int channels; | |
152 | }; | |
153 | ||
154 | ||
155 | enum pcxhr_pipe_status { | |
156 | PCXHR_PIPE_UNDEFINED, | |
157 | PCXHR_PIPE_DEFINED | |
158 | }; | |
159 | ||
160 | struct pcxhr_pipe { | |
161 | enum pcxhr_pipe_status status; | |
162 | int is_capture; /* this is a capture pipe */ | |
163 | int first_audio; /* first audio num */ | |
164 | }; | |
165 | ||
166 | ||
167 | struct snd_pcxhr { | |
168 | struct snd_card *card; | |
169 | struct pcxhr_mgr *mgr; | |
170 | int chip_idx; /* zero based */ | |
171 | ||
172 | struct snd_pcm *pcm; /* PCM */ | |
173 | ||
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174 | struct pcxhr_pipe playback_pipe; /* 1 stereo pipe only */ |
175 | struct pcxhr_pipe capture_pipe[2]; /* 1 stereo or 2 mono pipes */ | |
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176 | |
177 | struct pcxhr_stream playback_stream[PCXHR_PLAYBACK_STREAMS]; | |
9d948d27 | 178 | struct pcxhr_stream capture_stream[2]; /* 1 stereo or 2 mono streams */ |
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179 | int nb_streams_play; |
180 | int nb_streams_capt; | |
181 | ||
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182 | int analog_playback_active[2]; /* Mixer : Master Playback !mute */ |
183 | int analog_playback_volume[2]; /* Mixer : Master Playback Volume */ | |
184 | int analog_capture_volume[2]; /* Mixer : Master Capture Volume */ | |
185 | int digital_playback_active[PCXHR_PLAYBACK_STREAMS][2]; | |
186 | int digital_playback_volume[PCXHR_PLAYBACK_STREAMS][2]; | |
187 | int digital_capture_volume[2]; /* Mixer : Digital Capture Volume */ | |
188 | int monitoring_active[2]; /* Mixer : Monitoring Active */ | |
189 | int monitoring_volume[2]; /* Mixer : Monitoring Volume */ | |
190 | int audio_capture_source; /* Mixer : Audio Capture Source */ | |
191 | int mic_volume; /* used by cards with MIC only */ | |
192 | int mic_boost; /* used by cards with MIC only */ | |
193 | int mic_active; /* used by cards with MIC only */ | |
194 | int analog_capture_active; /* used by cards with MIC only */ | |
195 | int phantom_power; /* used by cards with MIC only */ | |
196 | ||
197 | unsigned char aes_bits[5]; /* Mixer : IEC958_AES bits */ | |
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198 | }; |
199 | ||
200 | struct pcxhr_hostport | |
201 | { | |
202 | char purgebuffer[6]; | |
203 | char reserved[2]; | |
204 | }; | |
205 | ||
206 | /* exported */ | |
207 | int pcxhr_create_pcm(struct snd_pcxhr *chip); | |
208 | int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate); | |
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209 | int pcxhr_get_external_clock(struct pcxhr_mgr *mgr, |
210 | enum pcxhr_clock_type clock_type, | |
211 | int *sample_rate); | |
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212 | |
213 | #endif /* __SOUND_PCXHR_H */ |