diff options
Diffstat (limited to 'include/sound/rcar_snd.h')
| -rw-r--r-- | include/sound/rcar_snd.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/include/sound/rcar_snd.h b/include/sound/rcar_snd.h new file mode 100644 index 00000000000..d35412ae03b --- /dev/null +++ b/include/sound/rcar_snd.h @@ -0,0 +1,84 @@ +/* + * Renesas R-Car SRU/SCU/SSIU/SSI support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef RCAR_SND_H +#define RCAR_SND_H + +#include <linux/sh_clk.h> + +#define RSND_GEN1_SRU 0 +#define RSND_GEN1_ADG 1 +#define RSND_GEN1_SSI 2 + +#define RSND_GEN2_SRU 0 +#define RSND_GEN2_ADG 1 +#define RSND_GEN2_SSIU 2 +#define RSND_GEN2_SSI 3 + +#define RSND_BASE_MAX 4 + +/* + * flags + * + * 0xAB000000 + * + * A : clock sharing settings + * B : SSI direction + */ +#define RSND_SSI_CLK_PIN_SHARE (1 << 31) +#define RSND_SSI_CLK_FROM_ADG (1 << 30) /* clock parent is master */ +#define RSND_SSI_SYNC (1 << 29) /* SSI34_sync etc */ +#define RSND_SSI_DEPENDENT (1 << 28) /* SSI needs SRU/SCU */ + +#define RSND_SSI_PLAY (1 << 24) + +#define RSND_SSI_SET(_dai_id, _dma_id, _pio_irq, _flags) \ +{ .dai_id = _dai_id, .dma_id = _dma_id, .pio_irq = _pio_irq, .flags = _flags } +#define RSND_SSI_UNUSED \ +{ .dai_id = -1, .dma_id = -1, .pio_irq = -1, .flags = 0 } + +struct rsnd_ssi_platform_info { + int dai_id; + int dma_id; + int pio_irq; + u32 flags; +}; + +/* + * flags + */ +#define RSND_SCU_USB_HPBIF (1 << 31) /* it needs RSND_SSI_DEPENDENT */ + +struct rsnd_scu_platform_info { + u32 flags; +}; + +/* + * flags + * + * 0x0000000A + * + * A : generation + */ +#define RSND_GEN1 (1 << 0) /* fixme */ +#define RSND_GEN2 (2 << 0) /* fixme */ + +struct rcar_snd_info { + u32 flags; + struct rsnd_ssi_platform_info *ssi_info; + int ssi_info_nr; + struct rsnd_scu_platform_info *scu_info; + int scu_info_nr; + int (*start)(int id); + int (*stop)(int id); +}; + +#endif |