tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
9int 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
13void snd_hdac_ext_bus_exit(struct hdac_bus *bus);
14void 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
23void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable);
24void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable);
25
26int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus);
27struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_addr(struct hdac_bus *bus, int addr);
28struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_name(struct hdac_bus *bus,
29 const char *codec_name);
30
31enum 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 */
48struct 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 bool decoupled:1;
60 bool link_locked:1;
61 bool link_prepared;
62
63 int (*host_setup)(struct hdac_stream *, bool);
64
65 struct snd_pcm_substream *link_substream;
66};
67
68#define hdac_stream(s) (&(s)->hstream)
69#define stream_to_hdac_ext_stream(s) \
70 container_of(s, struct hdac_ext_stream, hstream)
71
72int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx,
73 int num_stream, int dir);
74void snd_hdac_ext_stream_free_all(struct hdac_bus *bus);
75void snd_hdac_ext_link_free_all(struct hdac_bus *bus);
76struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus,
77 struct snd_pcm_substream *substream,
78 int type);
79void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type);
80struct hdac_ext_stream *snd_hdac_ext_cstream_assign(struct hdac_bus *bus,
81 struct snd_compr_stream *cstream);
82void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus,
83 struct hdac_ext_stream *hext_stream, bool decouple);
84void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
85 struct hdac_ext_stream *azx_dev, bool decouple);
86
87void snd_hdac_ext_stream_start(struct hdac_ext_stream *hext_stream);
88void snd_hdac_ext_stream_clear(struct hdac_ext_stream *hext_stream);
89void snd_hdac_ext_stream_reset(struct hdac_ext_stream *hext_stream);
90int snd_hdac_ext_stream_setup(struct hdac_ext_stream *hext_stream, int fmt);
91int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream, bool code_loading);
92
93struct hdac_ext_link {
94 struct hdac_bus *bus;
95 int index;
96 void __iomem *ml_addr; /* link output stream reg pointer */
97 u32 lcaps; /* link capablities */
98 u16 lsdiid; /* link sdi identifier */
99
100 int ref_count;
101
102 struct list_head list;
103};
104
105int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *hlink);
106int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *hlink);
107int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus);
108int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus);
109void snd_hdac_ext_bus_link_set_stream_id(struct hdac_ext_link *hlink,
110 int stream);
111void snd_hdac_ext_bus_link_clear_stream_id(struct hdac_ext_link *hlink,
112 int stream);
113
114int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *hlink);
115int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *hlink);
116
117void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable);
118
119#define snd_hdac_adsp_writeb(chip, reg, value) \
120 snd_hdac_reg_writeb(chip, (chip)->dsp_ba + (reg), value)
121#define snd_hdac_adsp_readb(chip, reg) \
122 snd_hdac_reg_readb(chip, (chip)->dsp_ba + (reg))
123#define snd_hdac_adsp_writew(chip, reg, value) \
124 snd_hdac_reg_writew(chip, (chip)->dsp_ba + (reg), value)
125#define snd_hdac_adsp_readw(chip, reg) \
126 snd_hdac_reg_readw(chip, (chip)->dsp_ba + (reg))
127#define snd_hdac_adsp_writel(chip, reg, value) \
128 snd_hdac_reg_writel(chip, (chip)->dsp_ba + (reg), value)
129#define snd_hdac_adsp_readl(chip, reg) \
130 snd_hdac_reg_readl(chip, (chip)->dsp_ba + (reg))
131#define snd_hdac_adsp_writeq(chip, reg, value) \
132 snd_hdac_reg_writeq(chip, (chip)->dsp_ba + (reg), value)
133#define snd_hdac_adsp_readq(chip, reg) \
134 snd_hdac_reg_readq(chip, (chip)->dsp_ba + (reg))
135
136#define snd_hdac_adsp_updateb(chip, reg, mask, val) \
137 snd_hdac_adsp_writeb(chip, reg, \
138 (snd_hdac_adsp_readb(chip, reg) & ~(mask)) | (val))
139#define snd_hdac_adsp_updatew(chip, reg, mask, val) \
140 snd_hdac_adsp_writew(chip, reg, \
141 (snd_hdac_adsp_readw(chip, reg) & ~(mask)) | (val))
142#define snd_hdac_adsp_updatel(chip, reg, mask, val) \
143 snd_hdac_adsp_writel(chip, reg, \
144 (snd_hdac_adsp_readl(chip, reg) & ~(mask)) | (val))
145#define snd_hdac_adsp_updateq(chip, reg, mask, val) \
146 snd_hdac_adsp_writeq(chip, reg, \
147 (snd_hdac_adsp_readq(chip, reg) & ~(mask)) | (val))
148
149#define snd_hdac_adsp_readb_poll(chip, reg, val, cond, delay_us, timeout_us) \
150 readb_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
151 delay_us, timeout_us)
152#define snd_hdac_adsp_readw_poll(chip, reg, val, cond, delay_us, timeout_us) \
153 readw_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
154 delay_us, timeout_us)
155#define snd_hdac_adsp_readl_poll(chip, reg, val, cond, delay_us, timeout_us) \
156 readl_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
157 delay_us, timeout_us)
158#define snd_hdac_adsp_readq_poll(chip, reg, val, cond, delay_us, timeout_us) \
159 readq_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
160 delay_us, timeout_us)
161
162struct hdac_ext_device;
163
164/* ops common to all codec drivers */
165struct hdac_ext_codec_ops {
166 int (*build_controls)(struct hdac_ext_device *dev);
167 int (*init)(struct hdac_ext_device *dev);
168 void (*free)(struct hdac_ext_device *dev);
169};
170
171struct hda_dai_map {
172 char *dai_name;
173 hda_nid_t nid;
174 u32 maxbps;
175};
176
177struct hdac_ext_dma_params {
178 u32 format;
179 u8 stream_tag;
180};
181
182int snd_hda_ext_driver_register(struct hdac_driver *drv);
183void snd_hda_ext_driver_unregister(struct hdac_driver *drv);
184
185#endif /* __SOUND_HDAUDIO_EXT_H */