/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */ /* Copyright(c) 2015-17 Intel Corporation. */ #ifndef __SDW_INTEL_LOCAL_H #define __SDW_INTEL_LOCAL_H /** * struct sdw_intel_link_res - Soundwire Intel link resource structure, * typically populated by the controller driver. * @pdev: platform_device * @mmio_base: mmio base of SoundWire registers * @registers: Link IO registers base * @shim: Audio shim pointer * @alh: ALH (Audio Link Hub) pointer * @irq: Interrupt line * @ops: Shim callback ops * @dev: device implementing hw_params and free callbacks * @shim_lock: mutex to handle access to shared SHIM registers * @shim_mask: global pointer to check SHIM register initialization * @clock_stop_quirks: mask defining requested behavior on pm_suspend * @link_mask: global mask needed for power-up/down sequences * @cdns: Cadence master descriptor * @list: used to walk-through all masters exposed by the same controller */ struct sdw_intel_link_res { struct platform_device *pdev; void __iomem *mmio_base; /* not strictly needed, useful for debug */ void __iomem *registers; void __iomem *shim; void __iomem *alh; int irq; const struct sdw_intel_ops *ops; struct device *dev; struct mutex *shim_lock; /* protect shared registers */ u32 *shim_mask; u32 clock_stop_quirks; u32 link_mask; struct sdw_cdns *cdns; struct list_head list; }; struct sdw_intel { struct sdw_cdns cdns; int instance; struct sdw_intel_link_res *link_res; #ifdef CONFIG_DEBUG_FS struct dentry *debugfs; #endif }; #define SDW_INTEL_QUIRK_MASK_BUS_DISABLE BIT(1) int intel_master_startup(struct platform_device *pdev); int intel_master_process_wakeen_event(struct platform_device *pdev); #endif /* __SDW_INTEL_LOCAL_H */