| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __SOUND_HDAUDIO_EXT_H |
| #define __SOUND_HDAUDIO_EXT_H |
| |
| #include <linux/io-64-nonatomic-lo-hi.h> |
| #include <linux/iopoll.h> |
| #include <sound/hdaudio.h> |
| |
| int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev, |
| const struct hdac_bus_ops *ops, |
| const struct hdac_ext_bus_ops *ext_ops); |
| |
| void snd_hdac_ext_bus_exit(struct hdac_bus *bus); |
| int snd_hdac_ext_bus_device_init(struct hdac_bus *bus, int addr, |
| struct hdac_device *hdev, int type); |
| void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev); |
| void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus); |
| |
| #define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \ |
| { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ |
| .api_version = HDA_DEV_ASOC, \ |
| .driver_data = (unsigned long)(drv_data) } |
| #define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \ |
| HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data) |
| |
| void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable); |
| void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable); |
| |
| void snd_hdac_ext_stream_spbcap_enable(struct hdac_bus *chip, |
| bool enable, int index); |
| |
| int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus); |
| struct hdac_ext_link *snd_hdac_ext_bus_link_at(struct hdac_bus *bus, int addr); |
| struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_bus *bus, |
| const char *codec_name); |
| |
| enum hdac_ext_stream_type { |
| HDAC_EXT_STREAM_TYPE_COUPLED = 0, |
| HDAC_EXT_STREAM_TYPE_HOST, |
| HDAC_EXT_STREAM_TYPE_LINK |
| }; |
| |
| /** |
| * hdac_ext_stream: HDAC extended stream for extended HDA caps |
| * |
| * @hstream: hdac_stream |
| * @pphc_addr: processing pipe host stream pointer |
| * @pplc_addr: processing pipe link stream pointer |
| * @spib_addr: software position in buffers stream pointer |
| * @fifo_addr: software position Max fifos stream pointer |
| * @dpibr_addr: DMA position in buffer resume pointer |
| * @dpib: DMA position in buffer |
| * @lpib: Linear position in buffer |
| * @decoupled: stream host and link is decoupled |
| * @link_locked: link is locked |
| * @link_prepared: link is prepared |
| * @link_substream: link substream |
| */ |
| struct hdac_ext_stream { |
| struct hdac_stream hstream; |
| |
| void __iomem *pphc_addr; |
| void __iomem *pplc_addr; |
| |
| void __iomem *spib_addr; |
| void __iomem *fifo_addr; |
| |
| void __iomem *dpibr_addr; |
| |
| u32 dpib; |
| u32 lpib; |
| bool decoupled:1; |
| bool link_locked:1; |
| bool link_prepared; |
| |
| struct snd_pcm_substream *link_substream; |
| }; |
| |
| #define hdac_stream(s) (&(s)->hstream) |
| #define stream_to_hdac_ext_stream(s) \ |
| container_of(s, struct hdac_ext_stream, hstream) |
| |
| void snd_hdac_ext_stream_init(struct hdac_bus *bus, |
| struct hdac_ext_stream *hext_stream, int idx, |
| int direction, int tag); |
| int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx, |
| int num_stream, int dir); |
| void snd_hdac_stream_free_all(struct hdac_bus *bus); |
| void snd_hdac_link_free_all(struct hdac_bus *bus); |
| struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus, |
| struct snd_pcm_substream *substream, |
| int type); |
| void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type); |
| void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus, |
| struct hdac_ext_stream *hext_stream, bool decouple); |
| void snd_hdac_ext_stream_decouple(struct hdac_bus *bus, |
| struct hdac_ext_stream *azx_dev, bool decouple); |
| |
| int snd_hdac_ext_stream_set_spib(struct hdac_bus *bus, |
| struct hdac_ext_stream *hext_stream, u32 value); |
| int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_bus *bus, |
| struct hdac_ext_stream *hext_stream); |
| void snd_hdac_ext_stream_drsm_enable(struct hdac_bus *bus, |
| bool enable, int index); |
| int snd_hdac_ext_stream_set_dpibr(struct hdac_bus *bus, |
| struct hdac_ext_stream *hext_stream, u32 value); |
| int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *hext_stream, u32 value); |
| |
| void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hext_stream); |
| void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hext_stream); |
| void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hext_stream); |
| int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *hext_stream, int fmt); |
| |
| struct hdac_ext_link { |
| struct hdac_bus *bus; |
| int index; |
| void __iomem *ml_addr; /* link output stream reg pointer */ |
| u32 lcaps; /* link capablities */ |
| u16 lsdiid; /* link sdi identifier */ |
| |
| int ref_count; |
| |
| struct list_head list; |
| }; |
| |
| int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link); |
| int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link); |
| int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus); |
| int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus); |
| void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link, |
| int stream); |
| void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link, |
| int stream); |
| |
| int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *link); |
| int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *link); |
| |
| void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable); |
| |
| /* update register macro */ |
| #define snd_hdac_updatel(addr, reg, mask, val) \ |
| writel(((readl(addr + reg) & ~(mask)) | (val)), \ |
| addr + reg) |
| |
| #define snd_hdac_updatew(addr, reg, mask, val) \ |
| writew(((readw(addr + reg) & ~(mask)) | (val)), \ |
| addr + reg) |
| |
| #define snd_hdac_adsp_writeb(chip, reg, value) \ |
| snd_hdac_reg_writeb(chip, (chip)->dsp_ba + (reg), value) |
| #define snd_hdac_adsp_readb(chip, reg) \ |
| snd_hdac_reg_readb(chip, (chip)->dsp_ba + (reg)) |
| #define snd_hdac_adsp_writew(chip, reg, value) \ |
| snd_hdac_reg_writew(chip, (chip)->dsp_ba + (reg), value) |
| #define snd_hdac_adsp_readw(chip, reg) \ |
| snd_hdac_reg_readw(chip, (chip)->dsp_ba + (reg)) |
| #define snd_hdac_adsp_writel(chip, reg, value) \ |
| snd_hdac_reg_writel(chip, (chip)->dsp_ba + (reg), value) |
| #define snd_hdac_adsp_readl(chip, reg) \ |
| snd_hdac_reg_readl(chip, (chip)->dsp_ba + (reg)) |
| #define snd_hdac_adsp_writeq(chip, reg, value) \ |
| snd_hdac_reg_writeq(chip, (chip)->dsp_ba + (reg), value) |
| #define snd_hdac_adsp_readq(chip, reg) \ |
| snd_hdac_reg_readq(chip, (chip)->dsp_ba + (reg)) |
| |
| #define snd_hdac_adsp_updateb(chip, reg, mask, val) \ |
| snd_hdac_adsp_writeb(chip, reg, \ |
| (snd_hdac_adsp_readb(chip, reg) & ~(mask)) | (val)) |
| #define snd_hdac_adsp_updatew(chip, reg, mask, val) \ |
| snd_hdac_adsp_writew(chip, reg, \ |
| (snd_hdac_adsp_readw(chip, reg) & ~(mask)) | (val)) |
| #define snd_hdac_adsp_updatel(chip, reg, mask, val) \ |
| snd_hdac_adsp_writel(chip, reg, \ |
| (snd_hdac_adsp_readl(chip, reg) & ~(mask)) | (val)) |
| #define snd_hdac_adsp_updateq(chip, reg, mask, val) \ |
| snd_hdac_adsp_writeq(chip, reg, \ |
| (snd_hdac_adsp_readq(chip, reg) & ~(mask)) | (val)) |
| |
| #define snd_hdac_adsp_readb_poll(chip, reg, val, cond, delay_us, timeout_us) \ |
| readb_poll_timeout((chip)->dsp_ba + (reg), val, cond, \ |
| delay_us, timeout_us) |
| #define snd_hdac_adsp_readw_poll(chip, reg, val, cond, delay_us, timeout_us) \ |
| readw_poll_timeout((chip)->dsp_ba + (reg), val, cond, \ |
| delay_us, timeout_us) |
| #define snd_hdac_adsp_readl_poll(chip, reg, val, cond, delay_us, timeout_us) \ |
| readl_poll_timeout((chip)->dsp_ba + (reg), val, cond, \ |
| delay_us, timeout_us) |
| #define snd_hdac_adsp_readq_poll(chip, reg, val, cond, delay_us, timeout_us) \ |
| readq_poll_timeout((chip)->dsp_ba + (reg), val, cond, \ |
| delay_us, timeout_us) |
| #define snd_hdac_stream_readb_poll(strm, reg, val, cond, delay_us, timeout_us) \ |
| readb_poll_timeout((strm)->sd_addr + AZX_REG_ ## reg, val, cond, \ |
| delay_us, timeout_us) |
| #define snd_hdac_stream_readl_poll(strm, reg, val, cond, delay_us, timeout_us) \ |
| readl_poll_timeout((strm)->sd_addr + AZX_REG_ ## reg, val, cond, \ |
| delay_us, timeout_us) |
| |
| struct hdac_ext_device; |
| |
| /* ops common to all codec drivers */ |
| struct hdac_ext_codec_ops { |
| int (*build_controls)(struct hdac_ext_device *dev); |
| int (*init)(struct hdac_ext_device *dev); |
| void (*free)(struct hdac_ext_device *dev); |
| }; |
| |
| struct hda_dai_map { |
| char *dai_name; |
| hda_nid_t nid; |
| u32 maxbps; |
| }; |
| |
| struct hdac_ext_dma_params { |
| u32 format; |
| u8 stream_tag; |
| }; |
| |
| int snd_hda_ext_driver_register(struct hdac_driver *drv); |
| void snd_hda_ext_driver_unregister(struct hdac_driver *drv); |
| |
| #endif /* __SOUND_HDAUDIO_EXT_H */ |