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 <linux/mutex.h> 28#include <sound/pcm.h> 29 30#define MIXART_DRIVER_VERSION 0x000100 /* 0.1.0 */ 31 32 33/* 34 */ 35 36struct mixart_uid { 37 u32 object_id; 38 u32 desc; 39}; 40 41struct mem_area { 42 unsigned long phys; 43 void __iomem *virt; 44 struct resource *res; 45}; 46 47 48struct 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 66struct mixart_mgr { 67 unsigned int num_cards; 68 struct snd_mixart *chip[MIXART_MAX_CARDS]; 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 */ 96 struct mutex msg_mutex; /* mutex for blocking_requests */ 97 98 struct mutex setup_mutex; /* mutex used in hw_params, open and close */ 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; 106 107 struct mixart_uid uid_console_manager; 108 int sample_rate; 109 int ref_count_rate; 110 111 struct mutex mixer_mutex; /* mutex for mixer */ 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 140struct mixart_stream { 141 struct snd_pcm_substream *substream; 142 struct mixart_pipe *pipe; 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 155enum mixart_pipe_status { 156 PIPE_UNDEFINED, 157 PIPE_STOPPED, 158 PIPE_RUNNING, 159 PIPE_CLOCK_SET 160}; 161 162struct mixart_pipe { 163 struct mixart_uid group_uid; /* id of the pipe, as returned by embedded */ 164 int stream_count; 165 struct mixart_uid uid_left_connector; /* UID's for the audio connectors */ 166 struct mixart_uid uid_right_connector; 167 enum mixart_pipe_status status; 168 int references; /* number of subs openned */ 169 int monitoring; /* pipe used for monitoring issue */ 170}; 171 172 173struct snd_mixart { 174 struct snd_card *card; 175 struct mixart_mgr *mgr; 176 int chip_idx; /* zero based */ 177 struct snd_hwdep *hwdep; /* DSP loader, only for the first card */ 178 179 struct snd_pcm *pcm; /* PCM analog i/o */ 180 struct snd_pcm *pcm_dig; /* PCM digital i/o */ 181 182 /* allocate stereo pipe for instance */ 183 struct mixart_pipe pipe_in_ana; 184 struct mixart_pipe pipe_out_ana; 185 186 /* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */ 187 struct mixart_pipe pipe_in_dig; 188 struct mixart_pipe pipe_out_dig; 189 190 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 */ 192 193 /* UID's for the physical io's */ 194 struct mixart_uid uid_out_analog_physio; 195 struct mixart_uid uid_in_analog_physio; 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 207struct mixart_bufferinfo 208{ 209 u32 buffer_address; 210 u32 reserved[5]; 211 u32 available_length; 212 u32 buffer_id; 213}; 214 215struct mixart_flowinfo 216{ 217 u32 bufferinfo_array_phy_address; 218 u32 reserved[11]; 219 u32 bufferinfo_count; 220 u32 capture; 221}; 222 223/* exported */ 224int snd_mixart_create_pcm(struct snd_mixart * chip); 225struct mixart_pipe *snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture, int monitoring); 226int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr, struct mixart_pipe *pipe, int monitoring); 227 228#endif /* __SOUND_MIXART_H */ 229