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 <linux/mutex.h>
28 #include <sound/pcm.h>
29
30 #define PCXHR_DRIVER_VERSION 0x000906 /* 0.9.6 */
31 #define PCXHR_DRIVER_VERSION_STRING "0.9.6" /* 0.9.6 */
32
33
34 #define PCXHR_MAX_CARDS 6
35 #define PCXHR_PLAYBACK_STREAMS 4
36
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 */
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,
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,
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
72 int granularity;
73
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
81 /* message tasklet */
82 struct tasklet_struct msg_taskq;
83 struct pcxhr_rmh *prmh;
84 /* trigger tasklet */
85 struct tasklet_struct trigger_taskq;
86
87 spinlock_t lock; /* interrupt spinlock */
88 spinlock_t msg_lock; /* message spinlock */
89
90 struct mutex setup_mutex; /* mutex used in hw_params, open and close */
91 struct mutex mixer_mutex; /* mutex for mixer */
92
93 /* hardware interface */
94 unsigned int dsp_loaded; /* bit flags of loaded dsp indices */
95 unsigned int dsp_version; /* read from embedded once firmware is loaded */
96 int playback_chips;
97 int capture_chips;
98 int fw_file_set;
99 int firmware_num;
100 unsigned int is_hr_stereo:1;
101 unsigned int board_has_aes1:1; /* if 1 board has AES1 plug and SRC */
102 unsigned int board_has_analog:1; /* if 0 the board is digital only */
103 unsigned int board_has_mic:1; /* if 1 the board has microphone input */
104 unsigned int board_aes_in_192k:1;/* if 1 the aes input plugs do support 192kHz */
105 unsigned int mono_capture:1; /* if 1 the board does mono capture */
106
107 struct snd_dma_buffer hostport;
108
109 enum pcxhr_clock_type use_clock_type; /* clock type selected by mixer */
110 enum pcxhr_clock_type cur_clock_type; /* current clock type synced */
111 int sample_rate;
112 int ref_count_rate;
113 int timer_toggle; /* timer interrupt toggles between the two values 0x200 and 0x300 */
114 int dsp_time_last; /* the last dsp time (read by interrupt) */
115 int dsp_time_err; /* dsp time errors */
116 unsigned int src_it_dsp; /* dsp interrupt source */
117 unsigned int io_num_reg_cont; /* backup of IO_NUM_REG_CONT */
118 unsigned int codec_speed; /* speed mode of the codecs */
119 unsigned int sample_rate_real; /* current real sample rate */
120 int last_reg_stat;
121 int async_err_stream_xrun;
122 int async_err_pipe_xrun;
123 int async_err_other_last;
124
125 unsigned char xlx_cfg; /* copy of PCXHR_XLX_CFG register */
126 unsigned char xlx_selmic; /* copy of PCXHR_XLX_SELMIC register */
127 unsigned char dsp_reset; /* copy of PCXHR_DSP_RESET register */
128 };
129
130
131 enum pcxhr_stream_status {
132 PCXHR_STREAM_STATUS_FREE,
133 PCXHR_STREAM_STATUS_OPEN,
134 PCXHR_STREAM_STATUS_SCHEDULE_RUN,
135 PCXHR_STREAM_STATUS_STARTED,
136 PCXHR_STREAM_STATUS_RUNNING,
137 PCXHR_STREAM_STATUS_SCHEDULE_STOP,
138 PCXHR_STREAM_STATUS_STOPPED,
139 PCXHR_STREAM_STATUS_PAUSED
140 };
141
142 struct pcxhr_stream {
143 struct snd_pcm_substream *substream;
144 snd_pcm_format_t format;
145 struct pcxhr_pipe *pipe;
146
147 enum pcxhr_stream_status status; /* free, open, running, draining, pause */
148
149 u_int64_t timer_abs_periods; /* timer: samples elapsed since TRIGGER_START (multiple of period_size) */
150 u_int32_t timer_period_frag; /* timer: samples elapsed since last call to snd_pcm_period_elapsed (0..period_size) */
151 u_int32_t timer_buf_periods; /* nb of periods in the buffer that have already elapsed */
152 int timer_is_synced; /* if(0) : timer needs to be resynced with real hardware pointer */
153
154 int channels;
155 };
156
157
158 enum pcxhr_pipe_status {
159 PCXHR_PIPE_UNDEFINED,
160 PCXHR_PIPE_DEFINED
161 };
162
163 struct pcxhr_pipe {
164 enum pcxhr_pipe_status status;
165 int is_capture; /* this is a capture pipe */
166 int first_audio; /* first audio num */
167 };
168
169
170 struct snd_pcxhr {
171 struct snd_card *card;
172 struct pcxhr_mgr *mgr;
173 int chip_idx; /* zero based */
174
175 struct snd_pcm *pcm; /* PCM */
176
177 struct pcxhr_pipe playback_pipe; /* 1 stereo pipe only */
178 struct pcxhr_pipe capture_pipe[2]; /* 1 stereo or 2 mono pipes */
179
180 struct pcxhr_stream playback_stream[PCXHR_PLAYBACK_STREAMS];
181 struct pcxhr_stream capture_stream[2]; /* 1 stereo or 2 mono streams */
182 int nb_streams_play;
183 int nb_streams_capt;
184
185 int analog_playback_active[2]; /* Mixer : Master Playback !mute */
186 int analog_playback_volume[2]; /* Mixer : Master Playback Volume */
187 int analog_capture_volume[2]; /* Mixer : Master Capture Volume */
188 int digital_playback_active[PCXHR_PLAYBACK_STREAMS][2];
189 int digital_playback_volume[PCXHR_PLAYBACK_STREAMS][2];
190 int digital_capture_volume[2]; /* Mixer : Digital Capture Volume */
191 int monitoring_active[2]; /* Mixer : Monitoring Active */
192 int monitoring_volume[2]; /* Mixer : Monitoring Volume */
193 int audio_capture_source; /* Mixer : Audio Capture Source */
194 int mic_volume; /* used by cards with MIC only */
195 int mic_boost; /* used by cards with MIC only */
196 int mic_active; /* used by cards with MIC only */
197 int analog_capture_active; /* used by cards with MIC only */
198 int phantom_power; /* used by cards with MIC only */
199
200 unsigned char aes_bits[5]; /* Mixer : IEC958_AES bits */
201 };
202
203 struct pcxhr_hostport
204 {
205 char purgebuffer[6];
206 char reserved[2];
207 };
208
209 /* exported */
210 int pcxhr_create_pcm(struct snd_pcxhr *chip);
211 int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate);
212 int pcxhr_get_external_clock(struct pcxhr_mgr *mgr,
213 enum pcxhr_clock_type clock_type,
214 int *sample_rate);
215
216 #endif /* __SOUND_PCXHR_H */
217
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