[ALSA] Add PS3 sound driver

[sfrench/cifs-2.6.git] / sound / ppc / snd_ps3.h

diff --git a/sound/ppc/snd_ps3.h b/sound/ppc/snd_ps3.h
new file mode 100644 (file)
index 0000000..4b7e6fb
--- /dev/null
+++ b/sound/ppc/snd_ps3.h
@@ -0,0 +1,135 @@
+/*
+ * Audio support for PS3
+ * Copyright (C) 2007 Sony Computer Entertainment Inc.
+ * All rights reserved.
+ * Copyright 2006, 2007 Sony Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2 of the Licence.
+ *
+ * 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
+ */
+
+#if !defined(_SND_PS3_H_)
+#define _SND_PS3_H_
+
+#include <linux/irqreturn.h>
+
+#define SND_PS3_DRIVER_NAME "snd_ps3"
+
+enum snd_ps3_out_channel {
+       SND_PS3_OUT_SPDIF_0,
+       SND_PS3_OUT_SPDIF_1,
+       SND_PS3_OUT_SERIAL_0,
+       SND_PS3_OUT_DEVS
+};
+
+enum snd_ps3_dma_filltype {
+       SND_PS3_DMA_FILLTYPE_FIRSTFILL,
+       SND_PS3_DMA_FILLTYPE_RUNNING,
+       SND_PS3_DMA_FILLTYPE_SILENT_FIRSTFILL,
+       SND_PS3_DMA_FILLTYPE_SILENT_RUNNING
+};
+
+enum snd_ps3_ch {
+       SND_PS3_CH_L = 0,
+       SND_PS3_CH_R = 1,
+       SND_PS3_CH_MAX = 2
+};
+
+struct snd_ps3_avsetting_info {
+       uint32_t avs_audio_ch;     /* fixed */
+       uint32_t avs_audio_rate;
+       uint32_t avs_audio_width;
+       uint32_t avs_audio_format; /* fixed */
+       uint32_t avs_audio_source; /* fixed */
+};
+/*
+ * PS3 audio 'card' instance
+ * there should be only ONE hardware.
+ */
+struct snd_ps3_card_info {
+       struct ps3_system_bus_device *ps3_dev;
+       struct snd_card *card;
+
+       struct snd_pcm *pcm;
+       struct snd_pcm_substream *substream;
+
+       /* hvc info */
+       u64 audio_lpar_addr;
+       u64 audio_lpar_size;
+
+       /* registers */
+       void __iomem *mapped_mmio_vaddr;
+
+       /* irq */
+       u64 audio_irq_outlet;
+       unsigned int irq_no;
+
+       /* remember avsetting */
+       struct snd_ps3_avsetting_info avs;
+
+       /* dma buffer management */
+       spinlock_t dma_lock;
+               /* dma_lock start */
+               void * dma_start_vaddr[2]; /* 0 for L, 1 for R */
+               dma_addr_t dma_start_bus_addr[2];
+               size_t dma_buffer_size;
+               void * dma_last_transfer_vaddr[2];
+               void * dma_next_transfer_vaddr[2];
+               int    silent;
+               /* dma_lock end */
+
+       int running;
+
+       /* null buffer */
+       void *null_buffer_start_vaddr;
+       dma_addr_t null_buffer_start_dma_addr;
+
+       /* start delay */
+       unsigned int start_delay;
+
+};
+
+
+/* PS3 audio DMAC block size in bytes */
+#define PS3_AUDIO_DMAC_BLOCK_SIZE (128)
+/* one stage (stereo)  of audio FIFO in bytes */
+#define PS3_AUDIO_FIFO_STAGE_SIZE (256)
+/* how many stages the fifo have */
+#define PS3_AUDIO_FIFO_STAGE_COUNT (8)
+/* fifo size 128 bytes * 8 stages * stereo (2ch) */
+#define PS3_AUDIO_FIFO_SIZE \
+       (PS3_AUDIO_FIFO_STAGE_SIZE * PS3_AUDIO_FIFO_STAGE_COUNT)
+
+/* PS3 audio DMAC max block count in one dma shot = 128 (0x80) blocks*/
+#define PS3_AUDIO_DMAC_MAX_BLOCKS  (PS3_AUDIO_DMASIZE_BLOCKS_MASK + 1)
+
+#define PS3_AUDIO_NORMAL_DMA_START_CH (0)
+#define PS3_AUDIO_NORMAL_DMA_COUNT    (8)
+#define PS3_AUDIO_NULL_DMA_START_CH \
+       (PS3_AUDIO_NORMAL_DMA_START_CH + PS3_AUDIO_NORMAL_DMA_COUNT)
+#define PS3_AUDIO_NULL_DMA_COUNT      (2)
+
+#define SND_PS3_MAX_VOL (0x0F)
+#define SND_PS3_MIN_VOL (0x00)
+#define SND_PS3_MIN_ATT SND_PS3_MIN_VOL
+#define SND_PS3_MAX_ATT SND_PS3_MAX_VOL
+
+#define SND_PS3_PCM_PREALLOC_SIZE \
+       (PS3_AUDIO_DMAC_BLOCK_SIZE * PS3_AUDIO_DMAC_MAX_BLOCKS * 4)
+
+#define SND_PS3_DMA_REGION_SIZE \
+       (SND_PS3_PCM_PREALLOC_SIZE + PAGE_SIZE)
+
+#define PS3_AUDIO_IOID       (1UL)
+
+#endif /* _SND_PS3_H_ */