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 */ 181