1/* 2 * Renesas R-Car SRU/SCU/SSIU/SSI support 3 * 4 * Copyright (C) 2013 Renesas Solutions Corp. 5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12#ifndef RCAR_SND_H 13#define RCAR_SND_H 14 15#include <linux/sh_clk.h> 16 17#define RSND_GEN1_SRU 0 18#define RSND_GEN1_ADG 1 19#define RSND_GEN1_SSI 2 20 21#define RSND_GEN2_SCU 0 22#define RSND_GEN2_ADG 1 23#define RSND_GEN2_SSIU 2 24#define RSND_GEN2_SSI 3 25 26#define RSND_BASE_MAX 4 27 28/* 29 * flags 30 * 31 * 0xAB000000 32 * 33 * A : clock sharing settings 34 * B : SSI direction 35 */ 36#define RSND_SSI_CLK_PIN_SHARE (1 << 31) 37#define RSND_SSI_NO_BUSIF (1 << 30) /* SSI+DMA without BUSIF */ 38 39#define RSND_SSI(_dma_id, _irq, _flags) \ 40{ .dma_id = _dma_id, .irq = _irq, .flags = _flags } 41#define RSND_SSI_UNUSED \ 42{ .dma_id = -1, .irq = -1, .flags = 0 } 43 44struct rsnd_ssi_platform_info { 45 int dma_id; 46 int irq; 47 u32 flags; 48}; 49 50#define RSND_SRC(rate, _dma_id) \ 51{ .convert_rate = rate, .dma_id = _dma_id, } 52#define RSND_SRC_UNUSED \ 53{ .convert_rate = 0, .dma_id = -1, } 54 55struct rsnd_src_platform_info { 56 u32 convert_rate; /* sampling rate convert */ 57 int dma_id; /* for Gen2 SCU */ 58 int irq; 59}; 60 61/* 62 * flags 63 */ 64struct rsnd_dvc_platform_info { 65 u32 flags; 66}; 67 68struct rsnd_dai_path_info { 69 struct rsnd_ssi_platform_info *ssi; 70 struct rsnd_src_platform_info *src; 71 struct rsnd_dvc_platform_info *dvc; 72}; 73 74struct rsnd_dai_platform_info { 75 struct rsnd_dai_path_info playback; 76 struct rsnd_dai_path_info capture; 77}; 78 79/* 80 * flags 81 * 82 * 0x0000000A 83 * 84 * A : generation 85 */ 86#define RSND_GEN_MASK (0xF << 0) 87#define RSND_GEN1 (1 << 0) /* fixme */ 88#define RSND_GEN2 (2 << 0) /* fixme */ 89 90struct rcar_snd_info { 91 u32 flags; 92 struct rsnd_ssi_platform_info *ssi_info; 93 int ssi_info_nr; 94 struct rsnd_src_platform_info *src_info; 95 int src_info_nr; 96 struct rsnd_dvc_platform_info *dvc_info; 97 int dvc_info_nr; 98 struct rsnd_dai_platform_info *dai_info; 99 int dai_info_nr; 100 int (*start)(int id); 101 int (*stop)(int id); 102}; 103 104#endif 105