1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * mtk-base-afe.h  --  Mediatek base afe structure
4 *
5 * Copyright (c) 2016 MediaTek Inc.
6 * Author: Garlic Tseng <garlic.tseng@mediatek.com>
7 */
8
9#ifndef _MTK_BASE_AFE_H_
10#define _MTK_BASE_AFE_H_
11
12#include <linux/soc/mediatek/mtk_sip_svc.h>
13
14#define MTK_STREAM_NUM (SNDRV_PCM_STREAM_LAST + 1)
15#define MTK_SIP_AUDIO_CONTROL MTK_SIP_SMC_CMD(0x517)
16
17/* SMC CALL Operations */
18enum mtk_audio_smc_call_op {
19	MTK_AUDIO_SMC_OP_INIT = 0,
20	MTK_AUDIO_SMC_OP_DRAM_REQUEST,
21	MTK_AUDIO_SMC_OP_DRAM_RELEASE,
22	MTK_AUDIO_SMC_OP_SRAM_REQUEST,
23	MTK_AUDIO_SMC_OP_SRAM_RELEASE,
24	MTK_AUDIO_SMC_OP_ADSP_REQUEST,
25	MTK_AUDIO_SMC_OP_ADSP_RELEASE,
26	MTK_AUDIO_SMC_OP_DOMAIN_SIDEBANDS,
27	MTK_AUDIO_SMC_OP_BTCVSD_WRITE,
28	MTK_AUDIO_SMC_OP_BTCVSD_UPDATE_CTRL_CLEAR,
29	MTK_AUDIO_SMC_OP_BTCVSD_UPDATE_CTRL_UNDERFLOW,
30	MTK_AUDIO_SMC_OP_NUM
31};
32
33struct mtk_base_memif_data {
34	int id;
35	const char *name;
36	int reg_ofs_base;
37	int reg_ofs_cur;
38	int reg_ofs_end;
39	int reg_ofs_base_msb;
40	int reg_ofs_cur_msb;
41	int reg_ofs_end_msb;
42	int fs_reg;
43	int fs_shift;
44	int fs_maskbit;
45	int mono_reg;
46	int mono_shift;
47	int mono_invert;
48	int quad_ch_reg;
49	int quad_ch_mask;
50	int quad_ch_shift;
51	int int_odd_flag_reg;
52	int int_odd_flag_shift;
53	int enable_reg;
54	int enable_shift;
55	int hd_reg;
56	int hd_shift;
57	int hd_align_reg;
58	int hd_align_mshift;
59	int msb_reg;
60	int msb_shift;
61	int msb_end_reg;
62	int msb_end_shift;
63	int agent_disable_reg;
64	int agent_disable_shift;
65	int ch_num_reg;
66	int ch_num_shift;
67	int ch_num_maskbit;
68	/* playback memif only */
69	int pbuf_reg;
70	int pbuf_mask;
71	int pbuf_shift;
72	int minlen_reg;
73	int minlen_mask;
74	int minlen_shift;
75};
76
77struct mtk_base_irq_data {
78	int id;
79	int irq_cnt_reg;
80	int irq_cnt_shift;
81	int irq_cnt_maskbit;
82	int irq_fs_reg;
83	int irq_fs_shift;
84	int irq_fs_maskbit;
85	int irq_en_reg;
86	int irq_en_shift;
87	int irq_clr_reg;
88	int irq_clr_shift;
89	int irq_status_shift;
90};
91
92struct device;
93struct list_head;
94struct mtk_base_afe_memif;
95struct mtk_base_afe_irq;
96struct mtk_base_afe_dai;
97struct regmap;
98struct snd_pcm_substream;
99struct snd_soc_dai;
100
101struct mtk_base_afe {
102	void __iomem *base_addr;
103	struct device *dev;
104	struct regmap *regmap;
105	struct mutex irq_alloc_lock; /* dynamic alloc irq lock */
106
107	unsigned int const *reg_back_up_list;
108	unsigned int *reg_back_up;
109	unsigned int reg_back_up_list_num;
110
111	int (*runtime_suspend)(struct device *dev);
112	int (*runtime_resume)(struct device *dev);
113	bool suspended;
114
115	struct mtk_base_afe_memif *memif;
116	int memif_size;
117	struct mtk_base_afe_irq *irqs;
118	int irqs_size;
119	int memif_32bit_supported;
120
121	struct list_head sub_dais;
122	struct snd_soc_dai_driver *dai_drivers;
123	unsigned int num_dai_drivers;
124
125	const struct snd_pcm_hardware *mtk_afe_hardware;
126	int (*memif_fs)(struct snd_pcm_substream *substream,
127			unsigned int rate);
128	int (*irq_fs)(struct snd_pcm_substream *substream,
129		      unsigned int rate);
130	int (*get_dai_fs)(struct mtk_base_afe *afe,
131			  int dai_id, unsigned int rate);
132	int (*get_memif_pbuf_size)(struct snd_pcm_substream *substream);
133
134	int (*request_dram_resource)(struct device *dev);
135	int (*release_dram_resource)(struct device *dev);
136
137	void *platform_priv;
138};
139
140struct mtk_base_afe_memif {
141	unsigned int phys_buf_addr;
142	int buffer_size;
143	struct snd_pcm_substream *substream;
144	const struct mtk_base_memif_data *data;
145	int irq_usage;
146	int const_irq;
147	unsigned char *dma_area;
148	dma_addr_t dma_addr;
149	size_t dma_bytes;
150};
151
152struct mtk_base_afe_irq {
153	const struct mtk_base_irq_data *irq_data;
154	int irq_occupyed;
155};
156
157struct mtk_base_afe_dai {
158	struct snd_soc_dai_driver *dai_drivers;
159	unsigned int num_dai_drivers;
160
161	const struct snd_kcontrol_new *controls;
162	unsigned int num_controls;
163	const struct snd_soc_dapm_widget *dapm_widgets;
164	unsigned int num_dapm_widgets;
165	const struct snd_soc_dapm_route *dapm_routes;
166	unsigned int num_dapm_routes;
167
168	struct list_head list;
169};
170
171#endif
172
173