| // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) |
| // Copyright(c) 2015-17 Intel Corporation. |
| |
| #ifndef __SDW_CADENCE_H |
| #define __SDW_CADENCE_H |
| |
| /** |
| * struct sdw_cdns - Cadence driver context |
| * @dev: Linux device |
| * @bus: Bus handle |
| * @instance: instance number |
| * @response_buf: SoundWire response buffer |
| * @tx_complete: Tx completion |
| * @defer: Defer pointer |
| * @registers: Cadence registers |
| * @link_up: Link status |
| * @msg_count: Messages sent on bus |
| */ |
| struct sdw_cdns { |
| struct device *dev; |
| struct sdw_bus bus; |
| unsigned int instance; |
| |
| u32 response_buf[0x80]; |
| struct completion tx_complete; |
| struct sdw_defer *defer; |
| |
| void __iomem *registers; |
| |
| bool link_up; |
| unsigned int msg_count; |
| }; |
| |
| #define bus_to_cdns(_bus) container_of(_bus, struct sdw_cdns, bus) |
| |
| /* Exported symbols */ |
| |
| int sdw_cdns_probe(struct sdw_cdns *cdns); |
| extern struct sdw_master_ops sdw_cdns_master_ops; |
| |
| irqreturn_t sdw_cdns_irq(int irq, void *dev_id); |
| irqreturn_t sdw_cdns_thread(int irq, void *dev_id); |
| |
| int sdw_cdns_init(struct sdw_cdns *cdns); |
| int sdw_cdns_enable_interrupt(struct sdw_cdns *cdns); |
| |
| |
| #endif /* __SDW_CADENCE_H */ |
