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-rw-r--r--sound/soc/s3c24xx/s3c-pcm.h123
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diff --git a/sound/soc/s3c24xx/s3c-pcm.h b/sound/soc/s3c24xx/s3c-pcm.h
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1/* sound/soc/s3c24xx/s3c-pcm.h
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 as
5 * published by the Free Software Foundation.
6 *
7 */
8
9#ifndef __S3C_PCM_H
10#define __S3C_PCM_H __FILE__
11
12/*Register Offsets */
13#define S3C_PCM_CTL (0x00)
14#define S3C_PCM_CLKCTL (0x04)
15#define S3C_PCM_TXFIFO (0x08)
16#define S3C_PCM_RXFIFO (0x0C)
17#define S3C_PCM_IRQCTL (0x10)
18#define S3C_PCM_IRQSTAT (0x14)
19#define S3C_PCM_FIFOSTAT (0x18)
20#define S3C_PCM_CLRINT (0x20)
21
22/* PCM_CTL Bit-Fields */
23#define S3C_PCM_CTL_TXDIPSTICK_MASK (0x3f)
24#define S3C_PCM_CTL_TXDIPSTICK_SHIFT (13)
25#define S3C_PCM_CTL_RXDIPSTICK_MSK (0x3f<<7)
26#define S3C_PCM_CTL_TXDMA_EN (0x1<<6)
27#define S3C_PCM_CTL_RXDMA_EN (0x1<<5)
28#define S3C_PCM_CTL_TXMSB_AFTER_FSYNC (0x1<<4)
29#define S3C_PCM_CTL_RXMSB_AFTER_FSYNC (0x1<<3)
30#define S3C_PCM_CTL_TXFIFO_EN (0x1<<2)
31#define S3C_PCM_CTL_RXFIFO_EN (0x1<<1)
32#define S3C_PCM_CTL_ENABLE (0x1<<0)
33
34/* PCM_CLKCTL Bit-Fields */
35#define S3C_PCM_CLKCTL_SERCLK_EN (0x1<<19)
36#define S3C_PCM_CLKCTL_SERCLKSEL_PCLK (0x1<<18)
37#define S3C_PCM_CLKCTL_SCLKDIV_MASK (0x1ff)
38#define S3C_PCM_CLKCTL_SYNCDIV_MASK (0x1ff)
39#define S3C_PCM_CLKCTL_SCLKDIV_SHIFT (9)
40#define S3C_PCM_CLKCTL_SYNCDIV_SHIFT (0)
41
42/* PCM_TXFIFO Bit-Fields */
43#define S3C_PCM_TXFIFO_DVALID (0x1<<16)
44#define S3C_PCM_TXFIFO_DATA_MSK (0xffff<<0)
45
46/* PCM_RXFIFO Bit-Fields */
47#define S3C_PCM_RXFIFO_DVALID (0x1<<16)
48#define S3C_PCM_RXFIFO_DATA_MSK (0xffff<<0)
49
50/* PCM_IRQCTL Bit-Fields */
51#define S3C_PCM_IRQCTL_IRQEN (0x1<<14)
52#define S3C_PCM_IRQCTL_WRDEN (0x1<<12)
53#define S3C_PCM_IRQCTL_TXEMPTYEN (0x1<<11)
54#define S3C_PCM_IRQCTL_TXALMSTEMPTYEN (0x1<<10)
55#define S3C_PCM_IRQCTL_TXFULLEN (0x1<<9)
56#define S3C_PCM_IRQCTL_TXALMSTFULLEN (0x1<<8)
57#define S3C_PCM_IRQCTL_TXSTARVEN (0x1<<7)
58#define S3C_PCM_IRQCTL_TXERROVRFLEN (0x1<<6)
59#define S3C_PCM_IRQCTL_RXEMPTEN (0x1<<5)
60#define S3C_PCM_IRQCTL_RXALMSTEMPTEN (0x1<<4)
61#define S3C_PCM_IRQCTL_RXFULLEN (0x1<<3)
62#define S3C_PCM_IRQCTL_RXALMSTFULLEN (0x1<<2)
63#define S3C_PCM_IRQCTL_RXSTARVEN (0x1<<1)
64#define S3C_PCM_IRQCTL_RXERROVRFLEN (0x1<<0)
65
66/* PCM_IRQSTAT Bit-Fields */
67#define S3C_PCM_IRQSTAT_IRQPND (0x1<<13)
68#define S3C_PCM_IRQSTAT_WRD_XFER (0x1<<12)
69#define S3C_PCM_IRQSTAT_TXEMPTY (0x1<<11)
70#define S3C_PCM_IRQSTAT_TXALMSTEMPTY (0x1<<10)
71#define S3C_PCM_IRQSTAT_TXFULL (0x1<<9)
72#define S3C_PCM_IRQSTAT_TXALMSTFULL (0x1<<8)
73#define S3C_PCM_IRQSTAT_TXSTARV (0x1<<7)
74#define S3C_PCM_IRQSTAT_TXERROVRFL (0x1<<6)
75#define S3C_PCM_IRQSTAT_RXEMPT (0x1<<5)
76#define S3C_PCM_IRQSTAT_RXALMSTEMPT (0x1<<4)
77#define S3C_PCM_IRQSTAT_RXFULL (0x1<<3)
78#define S3C_PCM_IRQSTAT_RXALMSTFULL (0x1<<2)
79#define S3C_PCM_IRQSTAT_RXSTARV (0x1<<1)
80#define S3C_PCM_IRQSTAT_RXERROVRFL (0x1<<0)
81
82/* PCM_FIFOSTAT Bit-Fields */
83#define S3C_PCM_FIFOSTAT_TXCNT_MSK (0x3f<<14)
84#define S3C_PCM_FIFOSTAT_TXFIFOEMPTY (0x1<<13)
85#define S3C_PCM_FIFOSTAT_TXFIFOALMSTEMPTY (0x1<<12)
86#define S3C_PCM_FIFOSTAT_TXFIFOFULL (0x1<<11)
87#define S3C_PCM_FIFOSTAT_TXFIFOALMSTFULL (0x1<<10)
88#define S3C_PCM_FIFOSTAT_RXCNT_MSK (0x3f<<4)
89#define S3C_PCM_FIFOSTAT_RXFIFOEMPTY (0x1<<3)
90#define S3C_PCM_FIFOSTAT_RXFIFOALMSTEMPTY (0x1<<2)
91#define S3C_PCM_FIFOSTAT_RXFIFOFULL (0x1<<1)
92#define S3C_PCM_FIFOSTAT_RXFIFOALMSTFULL (0x1<<0)
93
94#define S3C_PCM_CLKSRC_PCLK 0
95#define S3C_PCM_CLKSRC_MUX 1
96
97#define S3C_PCM_SCLK_PER_FS 0
98
99/**
100 * struct s3c_pcm_info - S3C PCM Controller information
101 * @dev: The parent device passed to use from the probe.
102 * @regs: The pointer to the device register block.
103 * @dma_playback: DMA information for playback channel.
104 * @dma_capture: DMA information for capture channel.
105 */
106struct s3c_pcm_info {
107 spinlock_t lock;
108 struct device *dev;
109 void __iomem *regs;
110
111 unsigned int sclk_per_fs;
112
113 /* Whether to keep PCMSCLK enabled even when idle(no active xfer) */
114 unsigned int idleclk;
115
116 struct clk *pclk;
117 struct clk *cclk;
118
119 struct s3c_dma_params *dma_playback;
120 struct s3c_dma_params *dma_capture;
121};
122
123#endif /* __S3C_PCM_H */