xref: /openbmc/linux/sound/soc/intel/skylake/skl.h (revision b78412b8)
1 /*
2  *  skl.h - HD Audio skylake defintions.
3  *
4  *  Copyright (C) 2015 Intel Corp
5  *  Author: Jeeja KP <jeeja.kp@intel.com>
6  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; version 2 of the License.
11  *
12  *  This program is distributed in the hope that it will be useful, but
13  *  WITHOUT ANY WARRANTY; without even the implied warranty of
14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  *  General Public License for more details.
16  *
17  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
18  *
19  */
20 
21 #ifndef __SOUND_SOC_SKL_H
22 #define __SOUND_SOC_SKL_H
23 
24 #include <sound/hda_register.h>
25 #include <sound/hdaudio_ext.h>
26 #include <sound/soc.h>
27 #include "skl-nhlt.h"
28 
29 #define SKL_SUSPEND_DELAY 2000
30 
31 #define AZX_PCIREG_PGCTL		0x44
32 #define AZX_PGCTL_LSRMD_MASK		(1 << 4)
33 #define AZX_PCIREG_CGCTL		0x48
34 #define AZX_CGCTL_MISCBDCGE_MASK	(1 << 6)
35 /* D0I3C Register fields */
36 #define AZX_REG_VS_D0I3C_CIP      0x1 /* Command in progress */
37 #define AZX_REG_VS_D0I3C_I3       0x4 /* D0i3 enable */
38 
39 struct skl_dsp_resource {
40 	u32 max_mcps;
41 	u32 max_mem;
42 	u32 mcps;
43 	u32 mem;
44 };
45 
46 struct skl_debug;
47 
48 struct skl {
49 	struct hdac_ext_bus ebus;
50 	struct pci_dev *pci;
51 
52 	unsigned int init_done:1; /* delayed init status */
53 	struct platform_device *dmic_dev;
54 	struct platform_device *i2s_dev;
55 	struct snd_soc_platform *platform;
56 
57 	struct nhlt_acpi_table *nhlt; /* nhlt ptr */
58 	struct skl_sst *skl_sst; /* sst skl ctx */
59 
60 	struct skl_dsp_resource resource;
61 	struct list_head ppl_list;
62 	struct list_head bind_list;
63 
64 	const char *fw_name;
65 	char tplg_name[64];
66 	unsigned short pci_id;
67 	const struct firmware *tplg;
68 
69 	int supend_active;
70 
71 	struct work_struct probe_work;
72 
73 	struct skl_debug *debugfs;
74 	u8 nr_modules;
75 	struct skl_module **modules;
76 };
77 
78 #define skl_to_ebus(s)	(&(s)->ebus)
79 #define ebus_to_skl(sbus) \
80 	container_of(sbus, struct skl, sbus)
81 
82 /* to pass dai dma data */
83 struct skl_dma_params {
84 	u32 format;
85 	u8 stream_tag;
86 };
87 
88 /* to pass dmic data */
89 struct skl_machine_pdata {
90 	u32 dmic_num;
91 };
92 
93 struct skl_dsp_ops {
94 	int id;
95 	unsigned int num_cores;
96 	struct skl_dsp_loader_ops (*loader_ops)(void);
97 	int (*init)(struct device *dev, void __iomem *mmio_base,
98 			int irq, const char *fw_name,
99 			struct skl_dsp_loader_ops loader_ops,
100 			struct skl_sst **skl_sst);
101 	int (*init_fw)(struct device *dev, struct skl_sst *ctx);
102 	void (*cleanup)(struct device *dev, struct skl_sst *ctx);
103 };
104 
105 int skl_platform_unregister(struct device *dev);
106 int skl_platform_register(struct device *dev);
107 
108 struct nhlt_acpi_table *skl_nhlt_init(struct device *dev);
109 void skl_nhlt_free(struct nhlt_acpi_table *addr);
110 struct nhlt_specific_cfg *skl_get_ep_blob(struct skl *skl, u32 instance,
111 					u8 link_type, u8 s_fmt, u8 no_ch,
112 					u32 s_rate, u8 dirn, u8 dev_type);
113 
114 int skl_get_dmic_geo(struct skl *skl);
115 int skl_nhlt_update_topology_bin(struct skl *skl);
116 int skl_init_dsp(struct skl *skl);
117 int skl_free_dsp(struct skl *skl);
118 int skl_suspend_late_dsp(struct skl *skl);
119 int skl_suspend_dsp(struct skl *skl);
120 int skl_resume_dsp(struct skl *skl);
121 void skl_cleanup_resources(struct skl *skl);
122 const struct skl_dsp_ops *skl_get_dsp_ops(int pci_id);
123 void skl_update_d0i3c(struct device *dev, bool enable);
124 int skl_nhlt_create_sysfs(struct skl *skl);
125 void skl_nhlt_remove_sysfs(struct skl *skl);
126 
127 struct skl_module_cfg;
128 
129 #ifdef CONFIG_DEBUG_FS
130 struct skl_debug *skl_debugfs_init(struct skl *skl);
131 void skl_debug_init_module(struct skl_debug *d,
132 			struct snd_soc_dapm_widget *w,
133 			struct skl_module_cfg *mconfig);
134 #else
135 static inline struct skl_debug *skl_debugfs_init(struct skl *skl)
136 {
137 	return NULL;
138 }
139 static inline void skl_debug_init_module(struct skl_debug *d,
140 					 struct snd_soc_dapm_widget *w,
141 					 struct skl_module_cfg *mconfig)
142 {}
143 #endif
144 
145 #endif /* __SOUND_SOC_SKL_H */
146