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 */