1
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);
14int snd_hdac_ext_bus_device_init(struct hdac_bus *bus, int addr,
15 struct hdac_device *hdev, int type);
16void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev);
17void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus);
18
19#define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \
20 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
21 .api_version = HDA_DEV_ASOC, \
22 .driver_data = (unsigned long)(drv_data) }
23#define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \
24 HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data)
25
26void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable);
27void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable);
28
29void snd_hdac_ext_stream_spbcap_enable(struct hdac_bus *chip,
30 bool enable, int index);
31
32int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus);
33struct hdac_ext_link *snd_hdac_ext_bus_link_at(struct hdac_bus *bus, int addr);
34struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_bus *bus,
35 const char *codec_name);
36
37enum hdac_ext_stream_type {
38 HDAC_EXT_STREAM_TYPE_COUPLED = 0,
39 HDAC_EXT_STREAM_TYPE_HOST,
40 HDAC_EXT_STREAM_TYPE_LINK
41};
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59struct hdac_ext_stream {
60 struct hdac_stream hstream;
61
62 void __iomem *pphc_addr;
63 void __iomem *pplc_addr;
64
65 void __iomem *spib_addr;
66 void __iomem *fifo_addr;
67
68 void __iomem *dpibr_addr;
69
70 u32 dpib;
71 u32 lpib;
72 bool decoupled:1;
73 bool link_locked:1;
74 bool link_prepared;
75
76 struct snd_pcm_substream *link_substream;
77};
78
79#define hdac_stream(s) (&(s)->hstream)
80#define stream_to_hdac_ext_stream(s) \
81 container_of(s, struct hdac_ext_stream, hstream)
82
83void snd_hdac_ext_stream_init(struct hdac_bus *bus,
84 struct hdac_ext_stream *hext_stream, int idx,
85 int direction, int tag);
86int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx,
87 int num_stream, int dir);
88void snd_hdac_stream_free_all(struct hdac_bus *bus);
89void snd_hdac_link_free_all(struct hdac_bus *bus);
90struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus,
91 struct snd_pcm_substream *substream,
92 int type);
93void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type);
94void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus,
95 struct hdac_ext_stream *hext_stream, bool decouple);
96void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
97 struct hdac_ext_stream *azx_dev, bool decouple);
98
99int snd_hdac_ext_stream_set_spib(struct hdac_bus *bus,
100 struct hdac_ext_stream *hext_stream, u32 value);
101int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_bus *bus,
102 struct hdac_ext_stream *hext_stream);
103void snd_hdac_ext_stream_drsm_enable(struct hdac_bus *bus,
104 bool enable, int index);
105int snd_hdac_ext_stream_set_dpibr(struct hdac_bus *bus,
106 struct hdac_ext_stream *hext_stream, u32 value);
107int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *hext_stream, u32 value);
108
109void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hext_stream);
110void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hext_stream);
111void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hext_stream);
112int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *hext_stream, int fmt);
113
114struct hdac_ext_link {
115 struct hdac_bus *bus;
116 int index;
117 void __iomem *ml_addr;
118 u32 lcaps;
119 u16 lsdiid;
120
121 int ref_count;
122
123 struct list_head list;
124};
125
126int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link);
127int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link);
128int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus);
129int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus);
130void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link,
131 int stream);
132void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link,
133 int stream);
134
135int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *link);
136int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *link);
137
138void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable);
139
140
141#define snd_hdac_updatel(addr, reg, mask, val) \
142 writel(((readl(addr + reg) & ~(mask)) | (val)), \
143 addr + reg)
144
145#define snd_hdac_updatew(addr, reg, mask, val) \
146 writew(((readw(addr + reg) & ~(mask)) | (val)), \
147 addr + reg)
148
149#define snd_hdac_adsp_writeb(chip, reg, value) \
150 snd_hdac_reg_writeb(chip, (chip)->dsp_ba + (reg), value)
151#define snd_hdac_adsp_readb(chip, reg) \
152 snd_hdac_reg_readb(chip, (chip)->dsp_ba + (reg))
153#define snd_hdac_adsp_writew(chip, reg, value) \
154 snd_hdac_reg_writew(chip, (chip)->dsp_ba + (reg), value)
155#define snd_hdac_adsp_readw(chip, reg) \
156 snd_hdac_reg_readw(chip, (chip)->dsp_ba + (reg))
157#define snd_hdac_adsp_writel(chip, reg, value) \
158 snd_hdac_reg_writel(chip, (chip)->dsp_ba + (reg), value)
159#define snd_hdac_adsp_readl(chip, reg) \
160 snd_hdac_reg_readl(chip, (chip)->dsp_ba + (reg))
161#define snd_hdac_adsp_writeq(chip, reg, value) \
162 snd_hdac_reg_writeq(chip, (chip)->dsp_ba + (reg), value)
163#define snd_hdac_adsp_readq(chip, reg) \
164 snd_hdac_reg_readq(chip, (chip)->dsp_ba + (reg))
165
166#define snd_hdac_adsp_updateb(chip, reg, mask, val) \
167 snd_hdac_adsp_writeb(chip, reg, \
168 (snd_hdac_adsp_readb(chip, reg) & ~(mask)) | (val))
169#define snd_hdac_adsp_updatew(chip, reg, mask, val) \
170 snd_hdac_adsp_writew(chip, reg, \
171 (snd_hdac_adsp_readw(chip, reg) & ~(mask)) | (val))
172#define snd_hdac_adsp_updatel(chip, reg, mask, val) \
173 snd_hdac_adsp_writel(chip, reg, \
174 (snd_hdac_adsp_readl(chip, reg) & ~(mask)) | (val))
175#define snd_hdac_adsp_updateq(chip, reg, mask, val) \
176 snd_hdac_adsp_writeq(chip, reg, \
177 (snd_hdac_adsp_readq(chip, reg) & ~(mask)) | (val))
178
179#define snd_hdac_adsp_readb_poll(chip, reg, val, cond, delay_us, timeout_us) \
180 readb_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
181 delay_us, timeout_us)
182#define snd_hdac_adsp_readw_poll(chip, reg, val, cond, delay_us, timeout_us) \
183 readw_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
184 delay_us, timeout_us)
185#define snd_hdac_adsp_readl_poll(chip, reg, val, cond, delay_us, timeout_us) \
186 readl_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
187 delay_us, timeout_us)
188#define snd_hdac_adsp_readq_poll(chip, reg, val, cond, delay_us, timeout_us) \
189 readq_poll_timeout((chip)->dsp_ba + (reg), val, cond, \
190 delay_us, timeout_us)
191#define snd_hdac_stream_readb_poll(strm, reg, val, cond, delay_us, timeout_us) \
192 readb_poll_timeout((strm)->sd_addr + AZX_REG_ ## reg, val, cond, \
193 delay_us, timeout_us)
194#define snd_hdac_stream_readl_poll(strm, reg, val, cond, delay_us, timeout_us) \
195 readl_poll_timeout((strm)->sd_addr + AZX_REG_ ## reg, val, cond, \
196 delay_us, timeout_us)
197
198struct hdac_ext_device;
199
200
201struct hdac_ext_codec_ops {
202 int (*build_controls)(struct hdac_ext_device *dev);
203 int (*init)(struct hdac_ext_device *dev);
204 void (*free)(struct hdac_ext_device *dev);
205};
206
207struct hda_dai_map {
208 char *dai_name;
209 hda_nid_t nid;
210 u32 maxbps;
211};
212
213struct hdac_ext_dma_params {
214 u32 format;
215 u8 stream_tag;
216};
217
218int snd_hda_ext_driver_register(struct hdac_driver *drv);
219void snd_hda_ext_driver_unregister(struct hdac_driver *drv);
220
221#endif
222
