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