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1 | /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */ |
2 | /* Copyright(c) 2015-17 Intel Corporation. */ | |
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3 | |
4 | #ifndef __SDW_INTEL_LOCAL_H | |
5 | #define __SDW_INTEL_LOCAL_H | |
6 | ||
7 | /** | |
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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 | |
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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 |
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18 | * @shim_lock: mutex to handle access to shared SHIM registers |
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 |
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22 | * @cdns: Cadence master descriptor |
23 | * @list: used to walk-through all masters exposed by the same controller | |
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24 | */ |
25 | struct sdw_intel_link_res { | |
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26 | struct platform_device *pdev; |
27 | void __iomem *mmio_base; /* not strictly needed, useful for debug */ | |
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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; |
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34 | struct mutex *shim_lock; /* protect shared registers */ |
35 | u32 *shim_mask; | |
a320f41e | 36 | u32 clock_stop_quirks; |
de763fa8 | 37 | u32 link_mask; |
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38 | struct sdw_cdns *cdns; |
39 | struct list_head list; | |
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40 | }; |
41 | ||
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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 */ |