| /* |
| * 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 |