mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-19 10:14:23 +08:00
956baa1992
Implement sdw_master_ops with support for xfer_msg, xfer_msg_defer and reset_page_addr. Since Cadence module doesn't know the systems it will be used, set the read_prop to the bus helper. Signed-off-by: Hardik T Shah <hardik.t.shah@intel.com> Signed-off-by: Sanyog Kale <sanyog.r.kale@intel.com> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Acked-By: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
// 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 */
|