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1da177e4 LT |
1 | /* |
2 | * Driver for Digigram miXart soundcards | |
3 | * | |
4 | * main header file | |
5 | * | |
6 | * Copyright (c) 2003 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_MIXART_H | |
24 | #define __SOUND_MIXART_H | |
25 | ||
26 | #include <linux/interrupt.h> | |
62932df8 | 27 | #include <linux/mutex.h> |
1da177e4 LT |
28 | #include <sound/pcm.h> |
29 | ||
30 | #define MIXART_DRIVER_VERSION 0x000100 /* 0.1.0 */ | |
31 | ||
32 | ||
33 | /* | |
34 | */ | |
35 | ||
67b48b88 | 36 | struct mixart_uid { |
1da177e4 LT |
37 | u32 object_id; |
38 | u32 desc; | |
39 | }; | |
40 | ||
41 | struct mem_area { | |
42 | unsigned long phys; | |
43 | void __iomem *virt; | |
44 | struct resource *res; | |
45 | }; | |
46 | ||
47 | ||
1da177e4 LT |
48 | struct mixart_route { |
49 | unsigned char connected; | |
50 | unsigned char phase_inv; | |
51 | int volume; | |
52 | }; | |
53 | ||
54 | ||
55 | /* firmware status codes */ | |
56 | #define MIXART_MOTHERBOARD_XLX_INDEX 0 | |
57 | #define MIXART_MOTHERBOARD_ELF_INDEX 1 | |
58 | #define MIXART_AESEBUBOARD_XLX_INDEX 2 | |
59 | #define MIXART_HARDW_FILES_MAX_INDEX 3 /* xilinx, elf, AESEBU xilinx */ | |
60 | ||
61 | #define MIXART_MAX_CARDS 4 | |
62 | #define MSG_FIFO_SIZE 16 | |
63 | ||
64 | #define MIXART_MAX_PHYS_CONNECTORS (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */ | |
65 | ||
67b48b88 | 66 | struct mixart_mgr { |
1da177e4 | 67 | unsigned int num_cards; |
67b48b88 | 68 | struct snd_mixart *chip[MIXART_MAX_CARDS]; |
1da177e4 LT |
69 | |
70 | struct pci_dev *pci; | |
71 | ||
72 | int irq; | |
73 | ||
74 | /* memory-maps */ | |
75 | struct mem_area mem[2]; | |
76 | ||
77 | /* share the name */ | |
78 | char shortname[32]; /* short name of this soundcard */ | |
79 | char longname[80]; /* name of this soundcard */ | |
80 | ||
81 | /* message tasklet */ | |
82 | struct tasklet_struct msg_taskq; | |
83 | ||
84 | /* one and only blocking message or notification may be pending */ | |
85 | u32 pending_event; | |
86 | wait_queue_head_t msg_sleep; | |
87 | ||
88 | /* messages stored for tasklet */ | |
89 | u32 msg_fifo[MSG_FIFO_SIZE]; | |
90 | int msg_fifo_readptr; | |
91 | int msg_fifo_writeptr; | |
92 | atomic_t msg_processed; /* number of messages to be processed in takslet */ | |
93 | ||
94 | spinlock_t lock; /* interrupt spinlock */ | |
95 | spinlock_t msg_lock; /* mailbox spinlock */ | |
62932df8 | 96 | struct mutex msg_mutex; /* mutex for blocking_requests */ |
1da177e4 | 97 | |
62932df8 | 98 | struct mutex setup_mutex; /* mutex used in hw_params, open and close */ |
1da177e4 LT |
99 | |
100 | /* hardware interface */ | |
101 | unsigned int dsp_loaded; /* bit flags of loaded dsp indices */ | |
102 | unsigned int board_type; /* read from embedded once elf file is loaded, 250 = miXart8, 251 = with AES, 252 = with Cobranet */ | |
103 | ||
104 | struct snd_dma_buffer flowinfo; | |
105 | struct snd_dma_buffer bufferinfo; | |
106 | ||
67b48b88 | 107 | struct mixart_uid uid_console_manager; |
1da177e4 LT |
108 | int sample_rate; |
109 | int ref_count_rate; | |
110 | ||
62932df8 | 111 | struct mutex mixer_mutex; /* mutex for mixer */ |
1da177e4 LT |
112 | |
113 | }; | |
114 | ||
115 | ||
116 | #define MIXART_STREAM_STATUS_FREE 0 | |
117 | #define MIXART_STREAM_STATUS_OPEN 1 | |
118 | #define MIXART_STREAM_STATUS_RUNNING 2 | |
119 | #define MIXART_STREAM_STATUS_DRAINING 3 | |
120 | #define MIXART_STREAM_STATUS_PAUSE 4 | |
121 | ||
122 | #define MIXART_PLAYBACK_STREAMS 4 | |
123 | #define MIXART_CAPTURE_STREAMS 1 | |
124 | ||
125 | #define MIXART_PCM_ANALOG 0 | |
126 | #define MIXART_PCM_DIGITAL 1 | |
127 | #define MIXART_PCM_TOTAL 2 | |
128 | ||
129 | #define MIXART_MAX_STREAM_PER_CARD (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) ) | |
130 | ||
131 | ||
132 | #define MIXART_NOTIFY_CARD_MASK 0xF000 | |
133 | #define MIXART_NOTIFY_CARD_OFFSET 12 | |
134 | #define MIXART_NOTIFY_PCM_MASK 0x0F00 | |
135 | #define MIXART_NOTIFY_PCM_OFFSET 8 | |
136 | #define MIXART_NOTIFY_CAPT_MASK 0x0080 | |
137 | #define MIXART_NOTIFY_SUBS_MASK 0x007F | |
138 | ||
139 | ||
67b48b88 TI |
140 | struct mixart_stream { |
141 | struct snd_pcm_substream *substream; | |
142 | struct mixart_pipe *pipe; | |
1da177e4 LT |
143 | int pcm_number; |
144 | ||
145 | int status; /* nothing, running, draining */ | |
146 | ||
147 | u64 abs_period_elapsed; /* last absolute stream position where period_elapsed was called (multiple of runtime->period_size) */ | |
148 | u32 buf_periods; /* periods counter in the buffer (< runtime->periods) */ | |
149 | u32 buf_period_frag; /* defines with buf_period_pos the exact position in the buffer (< runtime->period_size) */ | |
150 | ||
151 | int channels; | |
152 | }; | |
153 | ||
154 | ||
155 | enum mixart_pipe_status { | |
156 | PIPE_UNDEFINED, | |
157 | PIPE_STOPPED, | |
158 | PIPE_RUNNING, | |
159 | PIPE_CLOCK_SET | |
160 | }; | |
161 | ||
67b48b88 TI |
162 | struct mixart_pipe { |
163 | struct mixart_uid group_uid; /* id of the pipe, as returned by embedded */ | |
1da177e4 | 164 | int stream_count; |
67b48b88 TI |
165 | struct mixart_uid uid_left_connector; /* UID's for the audio connectors */ |
166 | struct mixart_uid uid_right_connector; | |
1da177e4 LT |
167 | enum mixart_pipe_status status; |
168 | int references; /* number of subs openned */ | |
169 | int monitoring; /* pipe used for monitoring issue */ | |
170 | }; | |
171 | ||
172 | ||
173 | struct snd_mixart { | |
67b48b88 TI |
174 | struct snd_card *card; |
175 | struct mixart_mgr *mgr; | |
1da177e4 | 176 | int chip_idx; /* zero based */ |
67b48b88 | 177 | struct snd_hwdep *hwdep; /* DSP loader, only for the first card */ |
1da177e4 | 178 | |
67b48b88 TI |
179 | struct snd_pcm *pcm; /* PCM analog i/o */ |
180 | struct snd_pcm *pcm_dig; /* PCM digital i/o */ | |
1da177e4 LT |
181 | |
182 | /* allocate stereo pipe for instance */ | |
67b48b88 TI |
183 | struct mixart_pipe pipe_in_ana; |
184 | struct mixart_pipe pipe_out_ana; | |
1da177e4 LT |
185 | |
186 | /* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */ | |
67b48b88 TI |
187 | struct mixart_pipe pipe_in_dig; |
188 | struct mixart_pipe pipe_out_dig; | |
1da177e4 | 189 | |
67b48b88 TI |
190 | struct mixart_stream playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */ |
191 | struct mixart_stream capture_stream[MIXART_PCM_TOTAL]; /* 0 = pcm, 1 = pcm_dig */ | |
1da177e4 LT |
192 | |
193 | /* UID's for the physical io's */ | |
67b48b88 TI |
194 | struct mixart_uid uid_out_analog_physio; |
195 | struct mixart_uid uid_in_analog_physio; | |
1da177e4 LT |
196 | |
197 | int analog_playback_active[2]; /* Mixer : Master Playback active (!mute) */ | |
198 | int analog_playback_volume[2]; /* Mixer : Master Playback Volume */ | |
199 | int analog_capture_volume[2]; /* Mixer : Master Capture Volume */ | |
200 | int digital_playback_active[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Active [(analog+AES output)*streams][stereo]*/ | |
201 | int digital_playback_volume[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Volume [(analog+AES output)*streams][stereo]*/ | |
202 | int digital_capture_volume[2][2]; /* Mixer : Digital Capture Volume [analog+AES output][stereo] */ | |
203 | int monitoring_active[2]; /* Mixer : Monitoring Active */ | |
204 | int monitoring_volume[2]; /* Mixer : Monitoring Volume */ | |
205 | }; | |
206 | ||
207 | struct mixart_bufferinfo | |
208 | { | |
209 | u32 buffer_address; | |
210 | u32 reserved[5]; | |
211 | u32 available_length; | |
212 | u32 buffer_id; | |
213 | }; | |
214 | ||
215 | struct mixart_flowinfo | |
216 | { | |
217 | u32 bufferinfo_array_phy_address; | |
218 | u32 reserved[11]; | |
219 | u32 bufferinfo_count; | |
220 | u32 capture; | |
221 | }; | |
222 | ||
223 | /* exported */ | |
67b48b88 TI |
224 | int snd_mixart_create_pcm(struct snd_mixart * chip); |
225 | struct mixart_pipe *snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture, int monitoring); | |
226 | int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr, struct mixart_pipe *pipe, int monitoring); | |
1da177e4 LT |
227 | |
228 | #endif /* __SOUND_MIXART_H */ |