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