/* aica.h * Header file for ALSA driver for * Sega Dreamcast Yamaha AICA sound * Copyright Adrian McMenamin * <adrian@mcmen.demon.co.uk> * 2006 * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as published by * the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* SPU memory and register constants etc */ #define G2_FIFO 0xa05f688c #define SPU_MEMORY_BASE 0xA0800000 #define ARM_RESET_REGISTER 0xA0702C00 #define SPU_REGISTER_BASE 0xA0700000 /* AICA channels stuff */ #define AICA_CONTROL_POINT 0xA0810000 #define AICA_CONTROL_CHANNEL_SAMPLE_NUMBER 0xA0810008 #define AICA_CHANNEL0_CONTROL_OFFSET 0x10004 /* Command values */ #define AICA_CMD_KICK 0x80000000 #define AICA_CMD_NONE 0 #define AICA_CMD_START 1 #define AICA_CMD_STOP 2 #define AICA_CMD_VOL 3 /* Sound modes */ #define SM_8BIT 1 #define SM_16BIT 0 #define SM_ADPCM 2 /* Buffer and period size */ #define AICA_BUFFER_SIZE 0x8000 #define AICA_PERIOD_SIZE 0x800 #define AICA_PERIOD_NUMBER 16 #define AICA_CHANNEL0_OFFSET 0x11000 #define AICA_CHANNEL1_OFFSET 0x21000 #define CHANNEL_OFFSET 0x10000 #define AICA_DMA_CHANNEL 5 #define AICA_DMA_MODE 5 #define SND_AICA_DRIVER "AICA" struct aica_channel { uint32_t cmd; /* Command ID */ uint32_t pos; /* Sample position */ uint32_t length; /* Sample length */ uint32_t freq; /* Frequency */ uint32_t vol; /* Volume 0-255 */ uint32_t pan; /* Pan 0-255 */ uint32_t sfmt; /* Sound format */ uint32_t flags; /* Bit flags */ }; struct snd_card_aica { struct work_struct spu_dma_work; struct snd_card *card; struct aica_channel *channel; struct snd_pcm_substream *substream; int clicks; int current_period; struct timer_list timer; int master_volume; int dma_check; };Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| adrian mcmenamin | adrian mcmenamin | 175 | 97.77% | 2 | 66.67% |
| takashi iwai | takashi iwai | 4 | 2.23% | 1 | 33.33% |
| Total | 179 | 100.00% | 3 | 100.00% |