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