1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */ 2 /* Copyright(c) 2015-17 Intel Corporation. */ 3 4 #ifndef __SDW_INTEL_LOCAL_H 5 #define __SDW_INTEL_LOCAL_H 6 7 /** 8 * struct sdw_intel_link_res - Soundwire Intel link resource structure, 9 * typically populated by the controller driver. 10 * @pdev: platform_device 11 * @mmio_base: mmio base of SoundWire registers 12 * @registers: Link IO registers base 13 * @shim: Audio shim pointer 14 * @alh: ALH (Audio Link Hub) pointer 15 * @irq: Interrupt line 16 * @ops: Shim callback ops 17 * @dev: device implementing hw_params and free callbacks 18 * @shim_lock: mutex to handle access to shared SHIM registers 19 * @shim_mask: global pointer to check SHIM register initialization 20 * @cdns: Cadence master descriptor 21 * @list: used to walk-through all masters exposed by the same controller 22 */ 23 struct sdw_intel_link_res { 24 struct platform_device *pdev; 25 void __iomem *mmio_base; /* not strictly needed, useful for debug */ 26 void __iomem *registers; 27 void __iomem *shim; 28 void __iomem *alh; 29 int irq; 30 const struct sdw_intel_ops *ops; 31 struct device *dev; 32 struct mutex *shim_lock; /* protect shared registers */ 33 u32 *shim_mask; 34 struct sdw_cdns *cdns; 35 struct list_head list; 36 }; 37 38 struct sdw_intel { 39 struct sdw_cdns cdns; 40 int instance; 41 struct sdw_intel_link_res *link_res; 42 #ifdef CONFIG_DEBUG_FS 43 struct dentry *debugfs; 44 #endif 45 }; 46 47 #define SDW_INTEL_QUIRK_MASK_BUS_DISABLE BIT(1) 48 49 int intel_master_startup(struct platform_device *pdev); 50 int intel_master_process_wakeen_event(struct platform_device *pdev); 51 52 #endif /* __SDW_INTEL_LOCAL_H */ 53