1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __SOUND_HDAUDIO_EXT_H
3 #define __SOUND_HDAUDIO_EXT_H
4
5 #include <linux/io-64-nonatomic-lo-hi.h>
6 #include <linux/iopoll.h>
7 #include <sound/hdaudio.h>
8
9 int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,
10 const struct hdac_bus_ops *ops,
11 const struct hdac_ext_bus_ops *ext_ops);
12
13 void snd_hdac_ext_bus_exit(struct hdac_bus *bus);
14 void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus);
15
16 #define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \
17 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
18 .api_version = HDA_DEV_ASOC, \
19 .driver_data = (unsigned long)(drv_data) }
20 #define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \
21 HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data)
22
23 void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable);
24 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable);
25
26 int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus);
27 struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_addr(struct hdac_bus *bus, int addr);
28 struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_name(struct hdac_bus *bus,
29 const char *codec_name);
30
31 enum hdac_ext_stream_type {
32 HDAC_EXT_STREAM_TYPE_COUPLED = 0,
33 HDAC_EXT_STREAM_TYPE_HOST,
34 HDAC_EXT_STREAM_TYPE_LINK
35 };
36
37 /**
38 * hdac_ext_stream: HDAC extended stream for extended HDA caps
39 *
40 * @hstream: hdac_stream
41 * @pphc_addr: processing pipe host stream pointer
42 * @pplc_addr: processing pipe link stream pointer
43 * @decoupled: stream host and link is decoupled
44 * @link_locked: link is locked
45 * @link_prepared: link is prepared
46 * @link_substream: link substream
47 */
48 struct hdac_ext_stream {
49 struct hdac_stream hstream;
50
51 void __iomem *pphc_addr;
52 void __iomem *pplc_addr;
53
54 u32 pphcllpl;
55 u32 pphcllpu;
56 u32 pphcldpl;
57 u32 pphcldpu;
58
59 u32 pplcllpl;
60 u32 pplcllpu;
61
62 bool decoupled:1;
63 bool link_locked:1;
64 bool link_prepared;
65
66 int (*host_setup)(struct hdac_stream *, bool);
67
68 struct snd_pcm_substream *link_substream;
69 };
70
71 #define hdac_stream(s) (&(s)->hstream)
72 #define stream_to_hdac_ext_stream(s) \
73 container_of(s, struct hdac_ext_stream, hstream)
74
75 int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx,
76 int num_stream, int dir);
77 void snd_hdac_ext_stream_free_all(struct hdac_bus *bus);
78 void snd_hdac_ext_link_free_all(struct hdac_bus *bus);
79 struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus,
80 struct snd_pcm_substream *substream,
81 int type);
82 void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type);
83 struct hdac_ext_stream *snd_hdac_ext_cstream_assign(struct hdac_bus *bus,
84 struct snd_compr_stream *cstream);
85 void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus,
86 struct hdac_ext_stream *hext_stream, bool decouple);
87 void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
88 struct hdac_ext_stream *azx_dev, bool decouple);
89
90 void snd_hdac_ext_stream_start(struct hdac_ext_stream *hext_stream);
91 void snd_hdac_ext_stream_clear(struct hdac_ext_stream *hext_stream);
92 void snd_hdac_ext_stream_reset(struct hdac_ext_stream *hext_stream);
93 int snd_hdac_ext_stream_setup(struct hdac_ext_stream *hext_stream, int fmt);
94 int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream, bool code_loading);
95
96 struct hdac_ext_link {
97 struct hdac_bus *bus;
98 int index;
99 void __iomem *ml_addr; /* link output stream reg pointer */
100 u32 lcaps; /* link capablities */
101 u16 lsdiid; /* link sdi identifier */
102
103 int ref_count;
104
105 struct list_head list;
106 };
107
108 int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *hlink);
109 int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *hlink);
110 int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus);
111 int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus);
112 void snd_hdac_ext_bus_link_set_stream_id(struct hdac_ext_link *hlink,
113 int stream);
114 void snd_hdac_ext_bus_link_clear_stream_id(struct hdac_ext_link *hlink,
115 int stream);
116
117 int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *hlink);
118 int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *hlink);
119
120 void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable);
121
122 #define snd_hdac_adsp_writeb(chip, reg, value) \
123 snd_hdac_reg_writeb(chip, (chip)->dsp_ba + (reg), value)
124 #define snd_hdac_adsp_readb(chip, reg) \
125 snd_hdac_reg_readb(chip, (chip)->dsp_ba + (reg))
126 #define snd_hdac_adsp_writew(chip, reg, value) \
127 snd_hdac_reg_writew(chip, (chip)->dsp_ba + (reg), value)
128 #define snd_hdac_adsp_readw(chip, reg) \
129 snd_hdac_reg_readw(chip, (chip)->dsp_ba + (reg))
130 #define snd_hdac_adsp_writel(chip, reg, value) \
131 snd_hdac_reg_writel(chip, (chip)->dsp_ba + (reg), value)
132 #define snd_hdac_adsp_readl(chip, reg) \
133 snd_hdac_reg_readl(chip, (chip)->dsp_ba + (reg))
134 #define snd_hdac_adsp_writeq(chip, reg, value) \
135 snd_hdac_reg_writeq(chip, (chip)->dsp_ba + (reg), value)
136 #define snd_hdac_adsp_readq(chip, reg) \
137 snd_hdac_reg_readq(chip, (chip)->dsp_ba + (reg))
138
139 #define snd_hdac_adsp_updateb(chip, reg, mask, val) \
140 snd_hdac_adsp_writeb(chip, reg, \
141 (snd_hdac_adsp_readb(chip, reg) & ~(mask)) | (val))
142 #define snd_hdac_adsp_updatew(chip, reg, mask, val) \
143 snd_hdac_adsp_writew(chip, reg, \
144 (snd_hdac_adsp_readw(chip, reg) & ~(mask)) | (val))
145 #define snd_hdac_adsp_updatel(chip, reg, mask, val) \
146 snd_hdac_adsp_writel(chip, reg, \
147 (snd_hdac_adsp_readl(chip, reg) & ~(mask)) | (val))
148 #define snd_hdac_adsp_updateq(chip, reg, mask, val) \
149 snd_hdac_adsp_writeq(chip, reg, \
150 (snd_hdac_adsp_readq(chip, reg) & ~(mask)) | (val))
151
152 #define snd_hdac_adsp_readb_poll(chip, reg, val, cond, delay_us, timeout_us) \
153 readb_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
154 delay_us, timeout_us)
155 #define snd_hdac_adsp_readw_poll(chip, reg, val, cond, delay_us, timeout_us) \
156 readw_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
157 delay_us, timeout_us)
158 #define snd_hdac_adsp_readl_poll(chip, reg, val, cond, delay_us, timeout_us) \
159 readl_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
160 delay_us, timeout_us)
161 #define snd_hdac_adsp_readq_poll(chip, reg, val, cond, delay_us, timeout_us) \
162 readq_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
163 delay_us, timeout_us)
164
165 struct hdac_ext_device;
166
167 /* ops common to all codec drivers */
168 struct hdac_ext_codec_ops {
169 int (*build_controls)(struct hdac_ext_device *dev);
170 int (*init)(struct hdac_ext_device *dev);
171 void (*free)(struct hdac_ext_device *dev);
172 };
173
174 struct hda_dai_map {
175 char *dai_name;
176 hda_nid_t nid;
177 u32 maxbps;
178 };
179
180 struct hdac_ext_dma_params {
181 u32 format;
182 u8 stream_tag;
183 };
184
185 int snd_hda_ext_driver_register(struct hdac_driver *drv);
186 void snd_hda_ext_driver_unregister(struct hdac_driver *drv);
187
188 #endif /* __SOUND_HDAUDIO_EXT_H */
189
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