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