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ASoC: max98504: Add missing MAX98504 on SND_SOC_ALL_CODECS
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1 /*
2 * Copyright (c) 2010-2011,2013-2015 The Linux Foundation. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 and
6 * only version 2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * lpass.h - Definitions for the QTi LPASS
14 */
15
16 #ifndef __LPASS_H__
17 #define __LPASS_H__
18
19 #include <linux/clk.h>
20 #include <linux/compiler.h>
21 #include <linux/platform_device.h>
22 #include <linux/regmap.h>
23
24 #define LPASS_AHBIX_CLOCK_FREQUENCY 131072000
25 #define LPASS_MAX_MI2S_PORTS (8)
26 #define LPASS_MAX_DMA_CHANNELS (8)
27
28 /* Both the CPU DAI and platform drivers will access this data */
29 struct lpass_data {
30
31 /* AHB-I/X bus clocks inside the low-power audio subsystem (LPASS) */
32 struct clk *ahbix_clk;
33
34 /* MI2S system clock */
35 struct clk *mi2s_osr_clk[LPASS_MAX_MI2S_PORTS];
36
37 /* MI2S bit clock (derived from system clock by a divider */
38 struct clk *mi2s_bit_clk[LPASS_MAX_MI2S_PORTS];
39
40 /* low-power audio interface (LPAIF) registers */
41 void __iomem *lpaif;
42
43 /* regmap backed by the low-power audio interface (LPAIF) registers */
44 struct regmap *lpaif_map;
45
46 /* interrupts from the low-power audio interface (LPAIF) */
47 int lpaif_irq;
48
49 /* SOC specific variations in the LPASS IP integration */
50 struct lpass_variant *variant;
51
52 /* bit map to keep track of static channel allocations */
53 unsigned long dma_ch_bit_map;
54
55 /* used it for handling interrupt per dma channel */
56 struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS];
57
58 /* 8016 specific */
59 struct clk *pcnoc_mport_clk;
60 struct clk *pcnoc_sway_clk;
61
62 void *private_data;
63 };
64
65 /* Vairant data per each SOC */
66 struct lpass_variant {
67 u32 i2sctrl_reg_base;
68 u32 i2sctrl_reg_stride;
69 u32 i2s_ports;
70 u32 irq_reg_base;
71 u32 irq_reg_stride;
72 u32 irq_ports;
73 u32 rdma_reg_base;
74 u32 rdma_reg_stride;
75 u32 rdma_channels;
76 u32 wrdma_reg_base;
77 u32 wrdma_reg_stride;
78 u32 wrdma_channels;
79
80 /**
81 * on SOCs like APQ8016 the channel control bits start
82 * at different offset to ipq806x
83 **/
84 u32 dmactl_audif_start;
85 u32 wrdma_channel_start;
86 /* SOC specific intialization like clocks */
87 int (*init)(struct platform_device *pdev);
88 int (*exit)(struct platform_device *pdev);
89 int (*alloc_dma_channel)(struct lpass_data *data, int direction);
90 int (*free_dma_channel)(struct lpass_data *data, int ch);
91
92 /* SOC specific dais */
93 struct snd_soc_dai_driver *dai_driver;
94 int num_dai;
95 };
96
97 /* register the platform driver from the CPU DAI driver */
98 int asoc_qcom_lpass_platform_register(struct platform_device *);
99 int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev);
100 int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev);
101 int asoc_qcom_lpass_cpu_dai_probe(struct snd_soc_dai *dai);
102 extern const struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops;
103
104 #endif /* __LPASS_H__ */