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1#ifndef __SOUND_HDAUDIO_EXT_H
2#define __SOUND_HDAUDIO_EXT_H
3
4#include <sound/hdaudio.h>
5
6/**
7 * hdac_ext_bus: HDAC extended bus for extended HDA caps
8 *
9 * @bus: hdac bus
10 * @num_streams: streams supported
11 * @hlink_list: link list of HDA links
12 * @lock: lock for link mgmt
13 * @cmd_dma_state: state of cmd DMAs: CORB and RIRB
14 */
15struct hdac_ext_bus {
16 struct hdac_bus bus;
17 int num_streams;
18 int idx;
19
20 struct list_head hlink_list;
21
22 struct mutex lock;
23 bool cmd_dma_state;
24};
25
26int snd_hdac_ext_bus_init(struct hdac_ext_bus *sbus, struct device *dev,
27 const struct hdac_bus_ops *ops,
28 const struct hdac_io_ops *io_ops);
29
30void snd_hdac_ext_bus_exit(struct hdac_ext_bus *sbus);
31int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *sbus, int addr);
32void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev);
33void snd_hdac_ext_bus_device_remove(struct hdac_ext_bus *ebus);
34
35#define ebus_to_hbus(ebus) (&(ebus)->bus)
36#define hbus_to_ebus(_bus) \
37 container_of(_bus, struct hdac_ext_bus, bus)
38
39#define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \
40 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
41 .api_version = HDA_DEV_ASOC, \
42 .driver_data = (unsigned long)(drv_data) }
43#define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \
44 HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data)
45
46void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *chip, bool enable);
47void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable);
48
49void snd_hdac_ext_stream_spbcap_enable(struct hdac_ext_bus *chip,
50 bool enable, int index);
51
52int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *bus);
53struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *bus,
54 const char *codec_name);
55
56enum hdac_ext_stream_type {
57 HDAC_EXT_STREAM_TYPE_COUPLED = 0,
58 HDAC_EXT_STREAM_TYPE_HOST,
59 HDAC_EXT_STREAM_TYPE_LINK
60};
61
62/**
63 * hdac_ext_stream: HDAC extended stream for extended HDA caps
64 *
65 * @hstream: hdac_stream
66 * @pphc_addr: processing pipe host stream pointer
67 * @pplc_addr: processing pipe link stream pointer
68 * @spib_addr: software position in buffers stream pointer
69 * @fifo_addr: software position Max fifos stream pointer
70 * @dpibr_addr: DMA position in buffer resume pointer
71 * @dpib: DMA position in buffer
72 * @lpib: Linear position in buffer
73 * @decoupled: stream host and link is decoupled
74 * @link_locked: link is locked
75 * @link_prepared: link is prepared
76 * link_substream: link substream
77 */
78struct hdac_ext_stream {
79 struct hdac_stream hstream;
80
81 void __iomem *pphc_addr;
82 void __iomem *pplc_addr;
83
84 void __iomem *spib_addr;
85 void __iomem *fifo_addr;
86
87 void __iomem *dpibr_addr;
88
89 u32 dpib;
90 u32 lpib;
91 bool decoupled:1;
92 bool link_locked:1;
93 bool link_prepared;
94
95 struct snd_pcm_substream *link_substream;
96};
97
98#define hdac_stream(s) (&(s)->hstream)
99#define stream_to_hdac_ext_stream(s) \
100 container_of(s, struct hdac_ext_stream, hstream)
101
102void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus,
103 struct hdac_ext_stream *stream, int idx,
104 int direction, int tag);
105int snd_hdac_ext_stream_init_all(struct hdac_ext_bus *ebus, int start_idx,
106 int num_stream, int dir);
107void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus);
108void snd_hdac_link_free_all(struct hdac_ext_bus *ebus);
109struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus,
110 struct snd_pcm_substream *substream,
111 int type);
112void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type);
113void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *bus,
114 struct hdac_ext_stream *azx_dev, bool decouple);
115void snd_hdac_ext_stop_streams(struct hdac_ext_bus *sbus);
116
117int snd_hdac_ext_stream_set_spib(struct hdac_ext_bus *ebus,
118 struct hdac_ext_stream *stream, u32 value);
119int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_ext_bus *ebus,
120 struct hdac_ext_stream *stream);
121void snd_hdac_ext_stream_drsm_enable(struct hdac_ext_bus *ebus,
122 bool enable, int index);
123int snd_hdac_ext_stream_set_dpibr(struct hdac_ext_bus *ebus,
124 struct hdac_ext_stream *stream, u32 value);
125int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *stream, u32 value);
126
127void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream);
128void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream);
129void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream);
130int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt);
131
132struct hdac_ext_link {
133 struct hdac_bus *bus;
134 int index;
135 void __iomem *ml_addr; /* link output stream reg pointer */
136 u32 lcaps; /* link capablities */
137 u16 lsdiid; /* link sdi identifier */
138
139 int ref_count;
140
141 struct list_head list;
142};
143
144int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link);
145int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link);
146int snd_hdac_ext_bus_link_power_up_all(struct hdac_ext_bus *ebus);
147int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus);
148void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link,
149 int stream);
150void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link,
151 int stream);
152
153int snd_hdac_ext_bus_link_get(struct hdac_ext_bus *ebus,
154 struct hdac_ext_link *link);
155int snd_hdac_ext_bus_link_put(struct hdac_ext_bus *ebus,
156 struct hdac_ext_link *link);
157
158/* update register macro */
159#define snd_hdac_updatel(addr, reg, mask, val) \
160 writel(((readl(addr + reg) & ~(mask)) | (val)), \
161 addr + reg)
162
163#define snd_hdac_updatew(addr, reg, mask, val) \
164 writew(((readw(addr + reg) & ~(mask)) | (val)), \
165 addr + reg)
166
167
168struct hdac_ext_device;
169
170/* ops common to all codec drivers */
171struct hdac_ext_codec_ops {
172 int (*build_controls)(struct hdac_ext_device *dev);
173 int (*init)(struct hdac_ext_device *dev);
174 void (*free)(struct hdac_ext_device *dev);
175};
176
177struct hda_dai_map {
178 char *dai_name;
179 hda_nid_t nid;
180 u32 maxbps;
181};
182
183#define HDA_MAX_NIDS 16
184
185/**
186 * struct hdac_ext_device - HDAC Ext device
187 *
188 * @hdac: hdac core device
189 * @nid_list - the dai map which matches the dai-name with the nid
190 * @map_cur_idx - the idx in use in dai_map
191 * @ops - the hda codec ops common to all codec drivers
192 * @pvt_data - private data, for asoc contains asoc codec object
193 */
194struct hdac_ext_device {
195 struct hdac_device hdac;
196 struct hdac_ext_bus *ebus;
197
198 /* soc-dai to nid map */
199 struct hda_dai_map nid_list[HDA_MAX_NIDS];
200 unsigned int map_cur_idx;
201
202 /* codec ops */
203 struct hdac_ext_codec_ops ops;
204
205 struct snd_card *card;
206 void *scodec;
207 void *private_data;
208};
209
210struct hdac_ext_dma_params {
211 u32 format;
212 u8 stream_tag;
213};
214#define to_ehdac_device(dev) (container_of((dev), \
215 struct hdac_ext_device, hdac))
216/*
217 * HD-audio codec base driver
218 */
219struct hdac_ext_driver {
220 struct hdac_driver hdac;
221
222 int (*probe)(struct hdac_ext_device *dev);
223 int (*remove)(struct hdac_ext_device *dev);
224 void (*shutdown)(struct hdac_ext_device *dev);
225};
226
227int snd_hda_ext_driver_register(struct hdac_ext_driver *drv);
228void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv);
229
230#define to_ehdac_driver(_drv) container_of(_drv, struct hdac_ext_driver, hdac)
231
232#endif /* __SOUND_HDAUDIO_EXT_H */
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 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
75int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx,
76 int num_stream, int dir);
77void snd_hdac_ext_stream_free_all(struct hdac_bus *bus);
78void snd_hdac_ext_link_free_all(struct hdac_bus *bus);
79struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus,
80 struct snd_pcm_substream *substream,
81 int type);
82void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type);
83struct hdac_ext_stream *snd_hdac_ext_cstream_assign(struct hdac_bus *bus,
84 struct snd_compr_stream *cstream);
85void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus,
86 struct hdac_ext_stream *hext_stream, bool decouple);
87void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
88 struct hdac_ext_stream *azx_dev, bool decouple);
89
90void snd_hdac_ext_stream_start(struct hdac_ext_stream *hext_stream);
91void snd_hdac_ext_stream_clear(struct hdac_ext_stream *hext_stream);
92void snd_hdac_ext_stream_reset(struct hdac_ext_stream *hext_stream);
93int snd_hdac_ext_stream_setup(struct hdac_ext_stream *hext_stream, int fmt);
94int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream, bool code_loading);
95
96struct 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
108int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *hlink);
109int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *hlink);
110int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus);
111int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus);
112void snd_hdac_ext_bus_link_set_stream_id(struct hdac_ext_link *hlink,
113 int stream);
114void snd_hdac_ext_bus_link_clear_stream_id(struct hdac_ext_link *hlink,
115 int stream);
116
117int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *hlink);
118int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *hlink);
119
120void 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
165struct hdac_ext_device;
166
167/* ops common to all codec drivers */
168struct 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
174struct hda_dai_map {
175 char *dai_name;
176 hda_nid_t nid;
177 u32 maxbps;
178};
179
180struct hdac_ext_dma_params {
181 u32 format;
182 u8 stream_tag;
183};
184
185int snd_hda_ext_driver_register(struct hdac_driver *drv);
186void snd_hda_ext_driver_unregister(struct hdac_driver *drv);
187
188#endif /* __SOUND_HDAUDIO_EXT_H */