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