1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Driver for Digigram pcxhr soundcards
4 *
5 * main header file
6 *
7 * Copyright (c) 2004 by Digigram <alsa@digigram.com>
8 */
9
10 #ifndef __SOUND_PCXHR_H
11 #define __SOUND_PCXHR_H
12
13 #include <linux/interrupt.h>
14 #include <linux/mutex.h>
15 #include <sound/pcm.h>
16
17 #define PCXHR_DRIVER_VERSION 0x000906 /* 0.9.6 */
18 #define PCXHR_DRIVER_VERSION_STRING "0.9.6" /* 0.9.6 */
19
20
21 #define PCXHR_MAX_CARDS 6
22 #define PCXHR_PLAYBACK_STREAMS 4
23
24 #define PCXHR_GRANULARITY 96 /* min 96 and multiple of 48 */
25 /* transfer granularity of pipes and the dsp time (MBOX4) */
26 #define PCXHR_GRANULARITY_MIN 96
27 /* TODO : granularity could be 64 or 128 */
28 #define PCXHR_GRANULARITY_HR22 192 /* granularity for stereo cards */
29
30 struct snd_pcxhr;
31 struct pcxhr_mgr;
32
33 struct pcxhr_stream;
34 struct pcxhr_pipe;
35
36 enum pcxhr_clock_type {
37 PCXHR_CLOCK_TYPE_INTERNAL = 0,
38 PCXHR_CLOCK_TYPE_WORD_CLOCK,
39 PCXHR_CLOCK_TYPE_AES_SYNC,
40 PCXHR_CLOCK_TYPE_AES_1,
41 PCXHR_CLOCK_TYPE_AES_2,
42 PCXHR_CLOCK_TYPE_AES_3,
43 PCXHR_CLOCK_TYPE_AES_4,
44 PCXHR_CLOCK_TYPE_MAX = PCXHR_CLOCK_TYPE_AES_4,
45 HR22_CLOCK_TYPE_INTERNAL = PCXHR_CLOCK_TYPE_INTERNAL,
46 HR22_CLOCK_TYPE_AES_SYNC,
47 HR22_CLOCK_TYPE_AES_1,
48 HR22_CLOCK_TYPE_MAX = HR22_CLOCK_TYPE_AES_1,
49 };
50
51 struct pcxhr_mgr {
52 unsigned int num_cards;
53 struct snd_pcxhr *chip[PCXHR_MAX_CARDS];
54
55 struct pci_dev *pci;
56
57 int irq;
58
59 int granularity;
60
61 /* card access with 1 mem bar and 2 io bar's */
62 unsigned long port[3];
63
64 /* share the name */
65 char name[40]; /* name of this soundcard */
66
67 struct pcxhr_rmh *prmh;
68
69 struct mutex lock; /* interrupt lock */
70 struct mutex msg_lock; /* message lock */
71
72 struct mutex setup_mutex; /* mutex used in hw_params, open and close */
73 struct mutex mixer_mutex; /* mutex for mixer */
74
75 /* hardware interface */
76 unsigned int dsp_loaded; /* bit flags of loaded dsp indices */
77 unsigned int dsp_version; /* read from embedded once firmware is loaded */
78 int playback_chips;
79 int capture_chips;
80 int fw_file_set;
81 int firmware_num;
82 unsigned int is_hr_stereo:1;
83 unsigned int board_has_aes1:1; /* if 1 board has AES1 plug and SRC */
84 unsigned int board_has_analog:1; /* if 0 the board is digital only */
85 unsigned int board_has_mic:1; /* if 1 the board has microphone input */
86 unsigned int board_aes_in_192k:1;/* if 1 the aes input plugs do support 192kHz */
87 unsigned int mono_capture:1; /* if 1 the board does mono capture */
88 unsigned int capture_ltc:1; /* if 1 the board captures LTC input */
89
90 struct snd_dma_buffer hostport;
91
92 enum pcxhr_clock_type use_clock_type; /* clock type selected by mixer */
93 enum pcxhr_clock_type cur_clock_type; /* current clock type synced */
94 int sample_rate;
95 int ref_count_rate;
96 int timer_toggle; /* timer interrupt toggles between the two values 0x200 and 0x300 */
97 int dsp_time_last; /* the last dsp time (read by interrupt) */
98 int dsp_time_err; /* dsp time errors */
99 unsigned int src_it_dsp; /* dsp interrupt source */
100 unsigned int io_num_reg_cont; /* backup of IO_NUM_REG_CONT */
101 unsigned int codec_speed; /* speed mode of the codecs */
102 unsigned int sample_rate_real; /* current real sample rate */
103 int last_reg_stat;
104 int async_err_stream_xrun;
105 int async_err_pipe_xrun;
106 int async_err_other_last;
107
108 unsigned char xlx_cfg; /* copy of PCXHR_XLX_CFG register */
109 unsigned char xlx_selmic; /* copy of PCXHR_XLX_SELMIC register */
110 unsigned char dsp_reset; /* copy of PCXHR_DSP_RESET register */
111 };
112
113
114 enum pcxhr_stream_status {
115 PCXHR_STREAM_STATUS_FREE,
116 PCXHR_STREAM_STATUS_OPEN,
117 PCXHR_STREAM_STATUS_SCHEDULE_RUN,
118 PCXHR_STREAM_STATUS_STARTED,
119 PCXHR_STREAM_STATUS_RUNNING,
120 PCXHR_STREAM_STATUS_SCHEDULE_STOP,
121 PCXHR_STREAM_STATUS_STOPPED,
122 PCXHR_STREAM_STATUS_PAUSED
123 };
124
125 struct pcxhr_stream {
126 struct snd_pcm_substream *substream;
127 snd_pcm_format_t format;
128 struct pcxhr_pipe *pipe;
129
130 enum pcxhr_stream_status status; /* free, open, running, draining, pause */
131
132 u_int64_t timer_abs_periods; /* timer: samples elapsed since TRIGGER_START (multiple of period_size) */
133 u_int32_t timer_period_frag; /* timer: samples elapsed since last call to snd_pcm_period_elapsed (0..period_size) */
134 u_int32_t timer_buf_periods; /* nb of periods in the buffer that have already elapsed */
135 int timer_is_synced; /* if(0) : timer needs to be resynced with real hardware pointer */
136
137 int channels;
138 };
139
140
141 enum pcxhr_pipe_status {
142 PCXHR_PIPE_UNDEFINED,
143 PCXHR_PIPE_DEFINED
144 };
145
146 struct pcxhr_pipe {
147 enum pcxhr_pipe_status status;
148 int is_capture; /* this is a capture pipe */
149 int first_audio; /* first audio num */
150 };
151
152
153 struct snd_pcxhr {
154 struct snd_card *card;
155 struct pcxhr_mgr *mgr;
156 int chip_idx; /* zero based */
157
158 struct snd_pcm *pcm; /* PCM */
159
160 struct pcxhr_pipe playback_pipe; /* 1 stereo pipe only */
161 struct pcxhr_pipe capture_pipe[2]; /* 1 stereo or 2 mono pipes */
162
163 struct pcxhr_stream playback_stream[PCXHR_PLAYBACK_STREAMS];
164 struct pcxhr_stream capture_stream[2]; /* 1 stereo or 2 mono streams */
165 int nb_streams_play;
166 int nb_streams_capt;
167
168 int analog_playback_active[2]; /* Mixer : Master Playback !mute */
169 int analog_playback_volume[2]; /* Mixer : Master Playback Volume */
170 int analog_capture_volume[2]; /* Mixer : Master Capture Volume */
171 int digital_playback_active[PCXHR_PLAYBACK_STREAMS][2];
172 int digital_playback_volume[PCXHR_PLAYBACK_STREAMS][2];
173 int digital_capture_volume[2]; /* Mixer : Digital Capture Volume */
174 int monitoring_active[2]; /* Mixer : Monitoring Active */
175 int monitoring_volume[2]; /* Mixer : Monitoring Volume */
176 int audio_capture_source; /* Mixer : Audio Capture Source */
177 int mic_volume; /* used by cards with MIC only */
178 int mic_boost; /* used by cards with MIC only */
179 int mic_active; /* used by cards with MIC only */
180 int analog_capture_active; /* used by cards with MIC only */
181 int phantom_power; /* used by cards with MIC only */
182
183 unsigned char aes_bits[5]; /* Mixer : IEC958_AES bits */
184 };
185
186 struct pcxhr_hostport
187 {
188 char purgebuffer[6];
189 char reserved[2];
190 };
191
192 /* exported */
193 int pcxhr_create_pcm(struct snd_pcxhr *chip);
194 int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate);
195 int pcxhr_get_external_clock(struct pcxhr_mgr *mgr,
196 enum pcxhr_clock_type clock_type,
197 int *sample_rate);
198
199 #endif /* __SOUND_PCXHR_H */
200
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