[mirror_ubuntu-jammy-kernel.git] / drivers / soundwire / intel.h

/* 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
};

int intel_master_startup(struct platform_device *pdev);
int intel_master_process_wakeen_event(struct platform_device *pdev);

#endif /* __SDW_INTEL_LOCAL_H */
Commit	Line	Data
23859465 PLB	1	/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
23859465 PLB	2	/* Copyright(c) 2015-17 Intel Corporation. */
71bb8a1b VK	3
	4	#ifndef __SDW_INTEL_LOCAL_H
	5	#define __SDW_INTEL_LOCAL_H
	6
	7	/**
f98f690f PLB	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
71bb8a1b VK	12	* @registers: Link IO registers base
	13	* @shim: Audio shim pointer
	14	* @alh: ALH (Audio Link Hub) pointer
	15	* @irq: Interrupt line
c46302ec	16	* @ops: Shim callback ops
4b206d34	17	* @dev: device implementing hw_params and free callbacks
4a17c441 PLB	18	* @shim_lock: mutex to handle access to shared SHIM registers
4a17c441 PLB	19	* @shim_mask: global pointer to check SHIM register initialization
a320f41e	20	* @clock_stop_quirks: mask defining requested behavior on pm_suspend
de763fa8	21	* @link_mask: global mask needed for power-up/down sequences
4a98a6b2 BL	22	* @cdns: Cadence master descriptor
4a98a6b2 BL	23	* @list: used to walk-through all masters exposed by the same controller
71bb8a1b VK	24	*/
71bb8a1b VK	25	struct sdw_intel_link_res {
f98f690f PLB	26	struct platform_device *pdev;
f98f690f PLB	27	void __iomem mmio_base; / not strictly needed, useful for debug */
71bb8a1b VK	28	void __iomem *registers;
	29	void __iomem *shim;
	30	void __iomem *alh;
	31	int irq;
c46302ec	32	const struct sdw_intel_ops *ops;
4b206d34	33	struct device *dev;
4a17c441 PLB	34	struct mutex shim_lock; / protect shared registers */
4a17c441 PLB	35	u32 *shim_mask;
a320f41e	36	u32 clock_stop_quirks;
de763fa8	37	u32 link_mask;
4a98a6b2 BL	38	struct sdw_cdns *cdns;
4a98a6b2 BL	39	struct list_head list;
71bb8a1b VK	40	};
71bb8a1b VK	41
b6109dd6 PLB	42	struct sdw_intel {
	43	struct sdw_cdns cdns;
	44	int instance;
	45	struct sdw_intel_link_res *link_res;
	46	#ifdef CONFIG_DEBUG_FS
	47	struct dentry *debugfs;
	48	#endif
	49	};
	50
6d2c6669	51	int intel_master_startup(struct platform_device *pdev);
ab2c9132	52	int intel_master_process_wakeen_event(struct platform_device *pdev);
6d2c6669	53
71bb8a1b	54	#endif /* __SDW_INTEL_LOCAL_H */