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61 lines
1.8 KiB
61 lines
1.8 KiB
/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */ |
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/* Copyright(c) 2015-17 Intel Corporation. */ |
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#ifndef __SDW_INTEL_LOCAL_H |
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#define __SDW_INTEL_LOCAL_H |
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/** |
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* struct sdw_intel_link_res - Soundwire Intel link resource structure, |
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* typically populated by the controller driver. |
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* @mmio_base: mmio base of SoundWire registers |
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* @registers: Link IO registers base |
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* @shim: Audio shim pointer |
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* @alh: ALH (Audio Link Hub) pointer |
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* @irq: Interrupt line |
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* @ops: Shim callback ops |
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* @dev: device implementing hw_params and free callbacks |
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* @shim_lock: mutex to handle access to shared SHIM registers |
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* @shim_mask: global pointer to check SHIM register initialization |
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* @clock_stop_quirks: mask defining requested behavior on pm_suspend |
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* @link_mask: global mask needed for power-up/down sequences |
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* @cdns: Cadence master descriptor |
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* @list: used to walk-through all masters exposed by the same controller |
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*/ |
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struct sdw_intel_link_res { |
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void __iomem *mmio_base; /* not strictly needed, useful for debug */ |
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void __iomem *registers; |
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void __iomem *shim; |
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void __iomem *alh; |
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int irq; |
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const struct sdw_intel_ops *ops; |
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struct device *dev; |
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struct mutex *shim_lock; /* protect shared registers */ |
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u32 *shim_mask; |
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u32 clock_stop_quirks; |
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u32 link_mask; |
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struct sdw_cdns *cdns; |
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struct list_head list; |
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}; |
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struct sdw_intel { |
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struct sdw_cdns cdns; |
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int instance; |
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struct sdw_intel_link_res *link_res; |
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bool startup_done; |
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#ifdef CONFIG_DEBUG_FS |
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struct dentry *debugfs; |
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#endif |
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}; |
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int intel_link_startup(struct auxiliary_device *auxdev); |
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int intel_link_process_wakeen_event(struct auxiliary_device *auxdev); |
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struct sdw_intel_link_dev { |
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struct auxiliary_device auxdev; |
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struct sdw_intel_link_res link_res; |
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}; |
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#define auxiliary_dev_to_sdw_intel_link_dev(auxiliary_dev) \ |
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container_of(auxiliary_dev, struct sdw_intel_link_dev, auxdev) |
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#endif /* __SDW_INTEL_LOCAL_H */
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