diff options
Diffstat (limited to 'include/linux/hsi')
| -rw-r--r-- | include/linux/hsi/hsi.h | 39 | ||||
| -rw-r--r-- | include/linux/hsi/ssi_protocol.h | 42 |
2 files changed, 77 insertions, 4 deletions
diff --git a/include/linux/hsi/hsi.h b/include/linux/hsi/hsi.h index 39bfd5b8907..3ec06300d53 100644 --- a/include/linux/hsi/hsi.h +++ b/include/linux/hsi/hsi.h @@ -68,17 +68,31 @@ enum { }; /** + * struct hsi_channel - channel resource used by the hsi clients + * @id: Channel number + * @name: Channel name + */ +struct hsi_channel { + unsigned int id; + const char *name; +}; + +/** * struct hsi_config - Configuration for RX/TX HSI modules * @mode: Bit transmission mode (STREAM or FRAME) - * @channels: Number of channels to use [1..16] + * @channels: Channel resources used by the client + * @num_channels: Number of channel resources + * @num_hw_channels: Number of channels the transceiver is configured for [1..16] * @speed: Max bit transmission speed (Kbit/s) * @flow: RX flow type (SYNCHRONIZED or PIPELINE) * @arb_mode: Arbitration mode for TX frame (Round robin, priority) */ struct hsi_config { - unsigned int mode; - unsigned int channels; - unsigned int speed; + unsigned int mode; + struct hsi_channel *channels; + unsigned int num_channels; + unsigned int num_hw_channels; + unsigned int speed; union { unsigned int flow; /* RX only */ unsigned int arb_mode; /* TX only */ @@ -282,6 +296,21 @@ struct hsi_controller *hsi_alloc_controller(unsigned int n_ports, gfp_t flags); void hsi_put_controller(struct hsi_controller *hsi); int hsi_register_controller(struct hsi_controller *hsi); void hsi_unregister_controller(struct hsi_controller *hsi); +struct hsi_client *hsi_new_client(struct hsi_port *port, + struct hsi_board_info *info); +int hsi_remove_client(struct device *dev, void *data); +void hsi_port_unregister_clients(struct hsi_port *port); + +#ifdef CONFIG_OF +void hsi_add_clients_from_dt(struct hsi_port *port, + struct device_node *clients); +#else +static inline void hsi_add_clients_from_dt(struct hsi_port *port, + struct device_node *clients) +{ + return; +} +#endif static inline void hsi_controller_set_drvdata(struct hsi_controller *hsi, void *data) @@ -305,6 +334,8 @@ static inline struct hsi_port *hsi_find_port_num(struct hsi_controller *hsi, */ int hsi_async(struct hsi_client *cl, struct hsi_msg *msg); +int hsi_get_channel_id_by_name(struct hsi_client *cl, char *name); + /** * hsi_id - Get HSI controller ID associated to a client * @cl: Pointer to a HSI client diff --git a/include/linux/hsi/ssi_protocol.h b/include/linux/hsi/ssi_protocol.h new file mode 100644 index 00000000000..1433651be0d --- /dev/null +++ b/include/linux/hsi/ssi_protocol.h @@ -0,0 +1,42 @@ +/* + * ssip_slave.h + * + * SSIP slave support header file + * + * Copyright (C) 2010 Nokia Corporation. All rights reserved. + * + * Contact: Carlos Chinea <carlos.chinea@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef __LINUX_SSIP_SLAVE_H__ +#define __LINUX_SSIP_SLAVE_H__ + +#include <linux/hsi/hsi.h> + +static inline void ssip_slave_put_master(struct hsi_client *master) +{ +} + +struct hsi_client *ssip_slave_get_master(struct hsi_client *slave); +int ssip_slave_start_tx(struct hsi_client *master); +int ssip_slave_stop_tx(struct hsi_client *master); +void ssip_reset_event(struct hsi_client *master); + +int ssip_slave_running(struct hsi_client *master); + +#endif /* __LINUX_SSIP_SLAVE_H__ */ + |