vmalloc: fix __GFP_HIGHMEM usage for vmalloc_32 on 32b systems
[linux/fpc-iii.git] / sound / pci / mixart / mixart.h
blob69b3ece099ad8f386a6bc9785aa973b572e0c8ac
1 /*
2 * Driver for Digigram miXart soundcards
4 * main header file
6 * Copyright (c) 2003 by Digigram <alsa@digigram.com>
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.
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.
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
23 #ifndef __SOUND_MIXART_H
24 #define __SOUND_MIXART_H
26 #include <linux/interrupt.h>
27 #include <linux/mutex.h>
28 #include <sound/pcm.h>
30 #define MIXART_DRIVER_VERSION 0x000100 /* 0.1.0 */
36 struct mixart_uid {
37 u32 object_id;
38 u32 desc;
41 struct mem_area {
42 unsigned long phys;
43 void __iomem *virt;
44 struct resource *res;
48 struct mixart_route {
49 unsigned char connected;
50 unsigned char phase_inv;
51 int volume;
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 */
61 #define MIXART_MAX_CARDS 4
62 #define MSG_FIFO_SIZE 16
64 #define MIXART_MAX_PHYS_CONNECTORS (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */
66 struct mixart_mgr {
67 unsigned int num_cards;
68 struct snd_mixart *chip[MIXART_MAX_CARDS];
70 struct pci_dev *pci;
72 int irq;
74 /* memory-maps */
75 struct mem_area mem[2];
77 /* one and only blocking message or notification may be pending */
78 u32 pending_event;
79 wait_queue_head_t msg_sleep;
81 /* messages fifo */
82 u32 msg_fifo[MSG_FIFO_SIZE];
83 int msg_fifo_readptr;
84 int msg_fifo_writeptr;
85 atomic_t msg_processed; /* number of messages to be processed in tasklet */
87 struct mutex lock; /* interrupt lock */
88 struct mutex msg_lock; /* mailbox lock */
90 struct mutex setup_mutex; /* mutex used in hw_params, open and close */
92 /* hardware interface */
93 unsigned int dsp_loaded; /* bit flags of loaded dsp indices */
94 unsigned int board_type; /* read from embedded once elf file is loaded, 250 = miXart8, 251 = with AES, 252 = with Cobranet */
96 struct snd_dma_buffer flowinfo;
97 struct snd_dma_buffer bufferinfo;
99 struct mixart_uid uid_console_manager;
100 int sample_rate;
101 int ref_count_rate;
103 struct mutex mixer_mutex; /* mutex for mixer */
108 #define MIXART_STREAM_STATUS_FREE 0
109 #define MIXART_STREAM_STATUS_OPEN 1
110 #define MIXART_STREAM_STATUS_RUNNING 2
111 #define MIXART_STREAM_STATUS_DRAINING 3
112 #define MIXART_STREAM_STATUS_PAUSE 4
114 #define MIXART_PLAYBACK_STREAMS 4
115 #define MIXART_CAPTURE_STREAMS 1
117 #define MIXART_PCM_ANALOG 0
118 #define MIXART_PCM_DIGITAL 1
119 #define MIXART_PCM_TOTAL 2
121 #define MIXART_MAX_STREAM_PER_CARD (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) )
124 #define MIXART_NOTIFY_CARD_MASK 0xF000
125 #define MIXART_NOTIFY_CARD_OFFSET 12
126 #define MIXART_NOTIFY_PCM_MASK 0x0F00
127 #define MIXART_NOTIFY_PCM_OFFSET 8
128 #define MIXART_NOTIFY_CAPT_MASK 0x0080
129 #define MIXART_NOTIFY_SUBS_MASK 0x007F
132 struct mixart_stream {
133 struct snd_pcm_substream *substream;
134 struct mixart_pipe *pipe;
135 int pcm_number;
137 int status; /* nothing, running, draining */
139 u64 abs_period_elapsed; /* last absolute stream position where period_elapsed was called (multiple of runtime->period_size) */
140 u32 buf_periods; /* periods counter in the buffer (< runtime->periods) */
141 u32 buf_period_frag; /* defines with buf_period_pos the exact position in the buffer (< runtime->period_size) */
143 int channels;
147 enum mixart_pipe_status {
148 PIPE_UNDEFINED,
149 PIPE_STOPPED,
150 PIPE_RUNNING,
151 PIPE_CLOCK_SET
154 struct mixart_pipe {
155 struct mixart_uid group_uid; /* id of the pipe, as returned by embedded */
156 int stream_count;
157 struct mixart_uid uid_left_connector; /* UID's for the audio connectors */
158 struct mixart_uid uid_right_connector;
159 enum mixart_pipe_status status;
160 int references; /* number of subs openned */
161 int monitoring; /* pipe used for monitoring issue */
165 struct snd_mixart {
166 struct snd_card *card;
167 struct mixart_mgr *mgr;
168 int chip_idx; /* zero based */
169 struct snd_hwdep *hwdep; /* DSP loader, only for the first card */
171 struct snd_pcm *pcm; /* PCM analog i/o */
172 struct snd_pcm *pcm_dig; /* PCM digital i/o */
174 /* allocate stereo pipe for instance */
175 struct mixart_pipe pipe_in_ana;
176 struct mixart_pipe pipe_out_ana;
178 /* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */
179 struct mixart_pipe pipe_in_dig;
180 struct mixart_pipe pipe_out_dig;
182 struct mixart_stream playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */
183 struct mixart_stream capture_stream[MIXART_PCM_TOTAL]; /* 0 = pcm, 1 = pcm_dig */
185 /* UID's for the physical io's */
186 struct mixart_uid uid_out_analog_physio;
187 struct mixart_uid uid_in_analog_physio;
189 int analog_playback_active[2]; /* Mixer : Master Playback active (!mute) */
190 int analog_playback_volume[2]; /* Mixer : Master Playback Volume */
191 int analog_capture_volume[2]; /* Mixer : Master Capture Volume */
192 int digital_playback_active[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Active [(analog+AES output)*streams][stereo]*/
193 int digital_playback_volume[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Volume [(analog+AES output)*streams][stereo]*/
194 int digital_capture_volume[2][2]; /* Mixer : Digital Capture Volume [analog+AES output][stereo] */
195 int monitoring_active[2]; /* Mixer : Monitoring Active */
196 int monitoring_volume[2]; /* Mixer : Monitoring Volume */
199 struct mixart_bufferinfo
201 u32 buffer_address;
202 u32 reserved[5];
203 u32 available_length;
204 u32 buffer_id;
207 struct mixart_flowinfo
209 u32 bufferinfo_array_phy_address;
210 u32 reserved[11];
211 u32 bufferinfo_count;
212 u32 capture;
215 /* exported */
216 int snd_mixart_create_pcm(struct snd_mixart * chip);
217 struct mixart_pipe *snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture, int monitoring);
218 int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr, struct mixart_pipe *pipe, int monitoring);
220 #endif /* __SOUND_MIXART_H */