| Message ID | 20201119170425.18365-1-conor.dooley@microchip.com |
|---|---|
| State | New |
| Headers | show |
| Series | None | expand |
On 2020/11/20 2:05, conor.dooley@microchip.com wrote: > From: Conor Dooley <conor.dooley@microchip.com> > > Add header to support the Microchip PolarFire SoC MSS system > controller mailbox. This should be squashed into patch 1. > > Signed-off-by: Conor Dooley <conor.dooley@microchip.com> > --- > include/soc/microchip/mpfs.h | 50 ++++++++++++++++++++++++++++++++++++ > 1 file changed, 50 insertions(+) > create mode 100644 include/soc/microchip/mpfs.h > > diff --git a/include/soc/microchip/mpfs.h b/include/soc/microchip/mpfs.h > new file mode 100644 > index 000000000000..60311ab72b76 > --- /dev/null > +++ b/include/soc/microchip/mpfs.h > @@ -0,0 +1,50 @@ > +/* SPDX-License-Identifier: GPL-2.0 This line should be a comment on its own: /* SPDX-License-Identifier: GPL-2.0 */ > + * > + * Microchip MPFS mailbox > + * > + * Copyright (c) 2020 Microchip Corporation. All rights reserved. > + * > + * Author: Conor Dooley <conor.dooley@microchip.com> > + * > + */ > + > +#ifndef __SOC_MPFS_H__ > +#define __SOC_MPFS_H__ > + > +#include <linux/types.h> > +#include <linux/of_device.h> > + > +struct mpfs_sys_controller; > + > +struct mpfs_mss_msg { > + u8 cmd_opcode; > + u16 cmd_data_size; > + u16 response_size; > + u8 *cmd_data; > + u16 mailbox_offset; > + u16 response_offset; > +}; > + > +#if IS_ENABLED(CONFIG_MPFS_SYS_CONTROLLER) > + > +int mpfs_blocking_transaction(struct mpfs_sys_controller *mpfs_client, void *msg, > + void *response, u16 response_size_bytes); > + > +struct mpfs_sys_controller *mpfs_sys_controller_get(struct device_node *mailbox_node); > + > +#else > + > +static int mpfs_blocking_transaction(struct mpfs_sys_controller *mpfs_client, void *msg, > + void *response, u16 response_size_bytes) > +{ > + return -ENOSYS; > +}; > + > +struct mpfs_sys_controller *mpfs_sys_controller_get(struct device_node *mailbox_node) > +{ > + return NULL; > +} > + > +#endif /* IS_ENABLED(CONFIG_MPFS_SYS_CONTROLLER) */ > + > +#endif /* __SOC_MPFS_H__ */ >
diff --git a/include/soc/microchip/mpfs.h b/include/soc/microchip/mpfs.h new file mode 100644 index 000000000000..60311ab72b76 --- /dev/null +++ b/include/soc/microchip/mpfs.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Microchip MPFS mailbox + * + * Copyright (c) 2020 Microchip Corporation. All rights reserved. + * + * Author: Conor Dooley <conor.dooley@microchip.com> + * + */ + +#ifndef __SOC_MPFS_H__ +#define __SOC_MPFS_H__ + +#include <linux/types.h> +#include <linux/of_device.h> + +struct mpfs_sys_controller; + +struct mpfs_mss_msg { + u8 cmd_opcode; + u16 cmd_data_size; + u16 response_size; + u8 *cmd_data; + u16 mailbox_offset; + u16 response_offset; +}; + +#if IS_ENABLED(CONFIG_MPFS_SYS_CONTROLLER) + +int mpfs_blocking_transaction(struct mpfs_sys_controller *mpfs_client, void *msg, + void *response, u16 response_size_bytes); + +struct mpfs_sys_controller *mpfs_sys_controller_get(struct device_node *mailbox_node); + +#else + +static int mpfs_blocking_transaction(struct mpfs_sys_controller *mpfs_client, void *msg, + void *response, u16 response_size_bytes) +{ + return -ENOSYS; +}; + +struct mpfs_sys_controller *mpfs_sys_controller_get(struct device_node *mailbox_node) +{ + return NULL; +} + +#endif /* IS_ENABLED(CONFIG_MPFS_SYS_CONTROLLER) */ + +#endif /* __SOC_MPFS_H__ */