1 files changed, 80 insertions, 0 deletions

diff --git a/sound/sh/aica.h b/sound/sh/aica.h
new file mode 100644
index 000000000000..0603b5b0376b
--- /dev/null
+++ b/sound/sh/aica.h
@@ -0,0 +1,80 @@
+/* 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 0
+#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 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;
+};