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authorMark Brown <broonie@linaro.org>2013-09-11 06:17:14 -0400
committerMark Brown <broonie@linaro.org>2013-09-11 06:17:14 -0400
commit29dc5dd229dc3130b51df0932e59946fc09d3bd4 (patch)
tree51fbe8eb543fc4fd3f8ee6582bdc72ea0bccee6f /include/sound/rcar_snd.h
parent6e4664525b1db28f8c4e1130957f70a94c19213e (diff)
parente011143454606de70eba1db5d99454eec0017fdb (diff)
Merge remote-tracking branch 'asoc/fix/atmel' into asoc-linus
Diffstat (limited to 'include/sound/rcar_snd.h')
-rw-r--r--include/sound/rcar_snd.h84
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 000000000000..d35412ae03b3
--- /dev/null
+++ b/include/sound/rcar_snd.h
@@ -0,0 +1,84 @@
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_SRU 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_CLK_FROM_ADG (1 << 30) /* clock parent is master */
38#define RSND_SSI_SYNC (1 << 29) /* SSI34_sync etc */
39#define RSND_SSI_DEPENDENT (1 << 28) /* SSI needs SRU/SCU */
40
41#define RSND_SSI_PLAY (1 << 24)
42
43#define RSND_SSI_SET(_dai_id, _dma_id, _pio_irq, _flags) \
44{ .dai_id = _dai_id, .dma_id = _dma_id, .pio_irq = _pio_irq, .flags = _flags }
45#define RSND_SSI_UNUSED \
46{ .dai_id = -1, .dma_id = -1, .pio_irq = -1, .flags = 0 }
47
48struct rsnd_ssi_platform_info {
49 int dai_id;
50 int dma_id;
51 int pio_irq;
52 u32 flags;
53};
54
55/*
56 * flags
57 */
58#define RSND_SCU_USB_HPBIF (1 << 31) /* it needs RSND_SSI_DEPENDENT */
59
60struct rsnd_scu_platform_info {
61 u32 flags;
62};
63
64/*
65 * flags
66 *
67 * 0x0000000A
68 *
69 * A : generation
70 */
71#define RSND_GEN1 (1 << 0) /* fixme */
72#define RSND_GEN2 (2 << 0) /* fixme */
73
74struct rcar_snd_info {
75 u32 flags;
76 struct rsnd_ssi_platform_info *ssi_info;
77 int ssi_info_nr;
78 struct rsnd_scu_platform_info *scu_info;
79 int scu_info_nr;
80 int (*start)(int id);
81 int (*stop)(int id);
82};
83
84#endif