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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> | |
27 | #include <sound/pcm.h> | |
28 | ||
29 | #define MIXART_DRIVER_VERSION 0x000100 /* 0.1.0 */ | |
30 | ||
31 | ||
32 | /* | |
33 | */ | |
34 | ||
35 | #define mixart_t_magic 0xa17a3e01 | |
36 | #define mixart_mgr_t_magic 0xa17a3e02 | |
37 | ||
38 | typedef struct snd_mixart mixart_t; | |
39 | typedef struct snd_mixart_mgr mixart_mgr_t; | |
40 | ||
41 | typedef struct snd_mixart_stream mixart_stream_t; | |
42 | typedef struct snd_mixart_pipe mixart_pipe_t; | |
43 | ||
44 | typedef struct mixart_bufferinfo mixart_bufferinfo_t; | |
45 | typedef struct mixart_flowinfo mixart_flowinfo_t; | |
46 | typedef struct mixart_uid mixart_uid_t; | |
47 | ||
48 | struct mixart_uid | |
49 | { | |
50 | u32 object_id; | |
51 | u32 desc; | |
52 | }; | |
53 | ||
54 | struct mem_area { | |
55 | unsigned long phys; | |
56 | void __iomem *virt; | |
57 | struct resource *res; | |
58 | }; | |
59 | ||
60 | ||
61 | typedef struct mixart_route mixart_route_t; | |
62 | struct mixart_route { | |
63 | unsigned char connected; | |
64 | unsigned char phase_inv; | |
65 | int volume; | |
66 | }; | |
67 | ||
68 | ||
69 | /* firmware status codes */ | |
70 | #define MIXART_MOTHERBOARD_XLX_INDEX 0 | |
71 | #define MIXART_MOTHERBOARD_ELF_INDEX 1 | |
72 | #define MIXART_AESEBUBOARD_XLX_INDEX 2 | |
73 | #define MIXART_HARDW_FILES_MAX_INDEX 3 /* xilinx, elf, AESEBU xilinx */ | |
74 | ||
75 | #define MIXART_MAX_CARDS 4 | |
76 | #define MSG_FIFO_SIZE 16 | |
77 | ||
78 | #define MIXART_MAX_PHYS_CONNECTORS (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */ | |
79 | ||
80 | struct snd_mixart_mgr { | |
81 | unsigned int num_cards; | |
82 | mixart_t *chip[MIXART_MAX_CARDS]; | |
83 | ||
84 | struct pci_dev *pci; | |
85 | ||
86 | int irq; | |
87 | ||
88 | /* memory-maps */ | |
89 | struct mem_area mem[2]; | |
90 | ||
91 | /* share the name */ | |
92 | char shortname[32]; /* short name of this soundcard */ | |
93 | char longname[80]; /* name of this soundcard */ | |
94 | ||
95 | /* message tasklet */ | |
96 | struct tasklet_struct msg_taskq; | |
97 | ||
98 | /* one and only blocking message or notification may be pending */ | |
99 | u32 pending_event; | |
100 | wait_queue_head_t msg_sleep; | |
101 | ||
102 | /* messages stored for tasklet */ | |
103 | u32 msg_fifo[MSG_FIFO_SIZE]; | |
104 | int msg_fifo_readptr; | |
105 | int msg_fifo_writeptr; | |
106 | atomic_t msg_processed; /* number of messages to be processed in takslet */ | |
107 | ||
108 | spinlock_t lock; /* interrupt spinlock */ | |
109 | spinlock_t msg_lock; /* mailbox spinlock */ | |
110 | struct semaphore msg_mutex; /* mutex for blocking_requests */ | |
111 | ||
112 | struct semaphore setup_mutex; /* mutex used in hw_params, open and close */ | |
113 | ||
114 | /* hardware interface */ | |
115 | unsigned int dsp_loaded; /* bit flags of loaded dsp indices */ | |
116 | unsigned int board_type; /* read from embedded once elf file is loaded, 250 = miXart8, 251 = with AES, 252 = with Cobranet */ | |
117 | ||
118 | struct snd_dma_buffer flowinfo; | |
119 | struct snd_dma_buffer bufferinfo; | |
120 | ||
121 | mixart_uid_t uid_console_manager; | |
122 | int sample_rate; | |
123 | int ref_count_rate; | |
124 | ||
125 | struct semaphore mixer_mutex; /* mutex for mixer */ | |
126 | ||
127 | }; | |
128 | ||
129 | ||
130 | #define MIXART_STREAM_STATUS_FREE 0 | |
131 | #define MIXART_STREAM_STATUS_OPEN 1 | |
132 | #define MIXART_STREAM_STATUS_RUNNING 2 | |
133 | #define MIXART_STREAM_STATUS_DRAINING 3 | |
134 | #define MIXART_STREAM_STATUS_PAUSE 4 | |
135 | ||
136 | #define MIXART_PLAYBACK_STREAMS 4 | |
137 | #define MIXART_CAPTURE_STREAMS 1 | |
138 | ||
139 | #define MIXART_PCM_ANALOG 0 | |
140 | #define MIXART_PCM_DIGITAL 1 | |
141 | #define MIXART_PCM_TOTAL 2 | |
142 | ||
143 | #define MIXART_MAX_STREAM_PER_CARD (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) ) | |
144 | ||
145 | ||
146 | #define MIXART_NOTIFY_CARD_MASK 0xF000 | |
147 | #define MIXART_NOTIFY_CARD_OFFSET 12 | |
148 | #define MIXART_NOTIFY_PCM_MASK 0x0F00 | |
149 | #define MIXART_NOTIFY_PCM_OFFSET 8 | |
150 | #define MIXART_NOTIFY_CAPT_MASK 0x0080 | |
151 | #define MIXART_NOTIFY_SUBS_MASK 0x007F | |
152 | ||
153 | ||
154 | struct snd_mixart_stream { | |
155 | snd_pcm_substream_t *substream; | |
156 | mixart_pipe_t *pipe; | |
157 | int pcm_number; | |
158 | ||
159 | int status; /* nothing, running, draining */ | |
160 | ||
161 | u64 abs_period_elapsed; /* last absolute stream position where period_elapsed was called (multiple of runtime->period_size) */ | |
162 | u32 buf_periods; /* periods counter in the buffer (< runtime->periods) */ | |
163 | u32 buf_period_frag; /* defines with buf_period_pos the exact position in the buffer (< runtime->period_size) */ | |
164 | ||
165 | int channels; | |
166 | }; | |
167 | ||
168 | ||
169 | enum mixart_pipe_status { | |
170 | PIPE_UNDEFINED, | |
171 | PIPE_STOPPED, | |
172 | PIPE_RUNNING, | |
173 | PIPE_CLOCK_SET | |
174 | }; | |
175 | ||
176 | struct snd_mixart_pipe { | |
177 | mixart_uid_t group_uid; /* id of the pipe, as returned by embedded */ | |
178 | int stream_count; | |
179 | mixart_uid_t uid_left_connector; /* UID's for the audio connectors */ | |
180 | mixart_uid_t uid_right_connector; | |
181 | enum mixart_pipe_status status; | |
182 | int references; /* number of subs openned */ | |
183 | int monitoring; /* pipe used for monitoring issue */ | |
184 | }; | |
185 | ||
186 | ||
187 | struct snd_mixart { | |
188 | snd_card_t *card; | |
189 | mixart_mgr_t *mgr; | |
190 | int chip_idx; /* zero based */ | |
191 | snd_hwdep_t *hwdep; /* DSP loader, only for the first card */ | |
192 | ||
193 | snd_pcm_t *pcm; /* PCM analog i/o */ | |
194 | snd_pcm_t *pcm_dig; /* PCM digital i/o */ | |
195 | ||
196 | /* allocate stereo pipe for instance */ | |
197 | mixart_pipe_t pipe_in_ana; | |
198 | mixart_pipe_t pipe_out_ana; | |
199 | ||
200 | /* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */ | |
201 | mixart_pipe_t pipe_in_dig; | |
202 | mixart_pipe_t pipe_out_dig; | |
203 | ||
204 | mixart_stream_t playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */ | |
205 | mixart_stream_t capture_stream[MIXART_PCM_TOTAL]; /* 0 = pcm, 1 = pcm_dig */ | |
206 | ||
207 | /* UID's for the physical io's */ | |
208 | mixart_uid_t uid_out_analog_physio; | |
209 | mixart_uid_t uid_in_analog_physio; | |
210 | ||
211 | int analog_playback_active[2]; /* Mixer : Master Playback active (!mute) */ | |
212 | int analog_playback_volume[2]; /* Mixer : Master Playback Volume */ | |
213 | int analog_capture_volume[2]; /* Mixer : Master Capture Volume */ | |
214 | int digital_playback_active[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Active [(analog+AES output)*streams][stereo]*/ | |
215 | int digital_playback_volume[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Volume [(analog+AES output)*streams][stereo]*/ | |
216 | int digital_capture_volume[2][2]; /* Mixer : Digital Capture Volume [analog+AES output][stereo] */ | |
217 | int monitoring_active[2]; /* Mixer : Monitoring Active */ | |
218 | int monitoring_volume[2]; /* Mixer : Monitoring Volume */ | |
219 | }; | |
220 | ||
221 | struct mixart_bufferinfo | |
222 | { | |
223 | u32 buffer_address; | |
224 | u32 reserved[5]; | |
225 | u32 available_length; | |
226 | u32 buffer_id; | |
227 | }; | |
228 | ||
229 | struct mixart_flowinfo | |
230 | { | |
231 | u32 bufferinfo_array_phy_address; | |
232 | u32 reserved[11]; | |
233 | u32 bufferinfo_count; | |
234 | u32 capture; | |
235 | }; | |
236 | ||
237 | /* exported */ | |
238 | int snd_mixart_create_pcm(mixart_t* chip); | |
239 | mixart_pipe_t* snd_mixart_add_ref_pipe( mixart_t *chip, int pcm_number, int capture, int monitoring); | |
240 | int snd_mixart_kill_ref_pipe( mixart_mgr_t *mgr, mixart_pipe_t *pipe, int monitoring); | |
241 | ||
242 | #endif /* __SOUND_MIXART_H */ |