diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/hsi')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/hsi/Kbuild | 1 | ||||
| -rw-r--r-- | ANDROID_3.4.5/include/linux/hsi/hsi.h | 413 | ||||
| -rw-r--r-- | ANDROID_3.4.5/include/linux/hsi/hsi_char.h | 63 |
3 files changed, 0 insertions, 477 deletions
diff --git a/ANDROID_3.4.5/include/linux/hsi/Kbuild b/ANDROID_3.4.5/include/linux/hsi/Kbuild deleted file mode 100644 index 271a770b..00000000 --- a/ANDROID_3.4.5/include/linux/hsi/Kbuild +++ /dev/null @@ -1 +0,0 @@ -header-y += hsi_char.h diff --git a/ANDROID_3.4.5/include/linux/hsi/hsi.h b/ANDROID_3.4.5/include/linux/hsi/hsi.h deleted file mode 100644 index 56fae865..00000000 --- a/ANDROID_3.4.5/include/linux/hsi/hsi.h +++ /dev/null @@ -1,413 +0,0 @@ -/* - * HSI core 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_HSI_H__ -#define __LINUX_HSI_H__ - -#include <linux/device.h> -#include <linux/mutex.h> -#include <linux/scatterlist.h> -#include <linux/list.h> -#include <linux/module.h> -#include <linux/notifier.h> - -/* HSI message ttype */ -#define HSI_MSG_READ 0 -#define HSI_MSG_WRITE 1 - -/* HSI configuration values */ -enum { - HSI_MODE_STREAM = 1, - HSI_MODE_FRAME, -}; - -enum { - HSI_FLOW_SYNC, /* Synchronized flow */ - HSI_FLOW_PIPE, /* Pipelined flow */ -}; - -enum { - HSI_ARB_RR, /* Round-robin arbitration */ - HSI_ARB_PRIO, /* Channel priority arbitration */ -}; - -#define HSI_MAX_CHANNELS 16 - -/* HSI message status codes */ -enum { - HSI_STATUS_COMPLETED, /* Message transfer is completed */ - HSI_STATUS_PENDING, /* Message pending to be read/write (POLL) */ - HSI_STATUS_PROCEEDING, /* Message transfer is ongoing */ - HSI_STATUS_QUEUED, /* Message waiting to be served */ - HSI_STATUS_ERROR, /* Error when message transfer was ongoing */ -}; - -/* HSI port event codes */ -enum { - HSI_EVENT_START_RX, - HSI_EVENT_STOP_RX, -}; - -/** - * struct hsi_config - Configuration for RX/TX HSI modules - * @mode: Bit transmission mode (STREAM or FRAME) - * @channels: Number of channels to use [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; - union { - unsigned int flow; /* RX only */ - unsigned int arb_mode; /* TX only */ - }; -}; - -/** - * struct hsi_board_info - HSI client board info - * @name: Name for the HSI device - * @hsi_id: HSI controller id where the client sits - * @port: Port number in the controller where the client sits - * @tx_cfg: HSI TX configuration - * @rx_cfg: HSI RX configuration - * @platform_data: Platform related data - * @archdata: Architecture-dependent device data - */ -struct hsi_board_info { - const char *name; - unsigned int hsi_id; - unsigned int port; - struct hsi_config tx_cfg; - struct hsi_config rx_cfg; - void *platform_data; - struct dev_archdata *archdata; -}; - -#ifdef CONFIG_HSI_BOARDINFO -extern int hsi_register_board_info(struct hsi_board_info const *info, - unsigned int len); -#else -static inline int hsi_register_board_info(struct hsi_board_info const *info, - unsigned int len) -{ - return 0; -} -#endif /* CONFIG_HSI_BOARDINFO */ - -/** - * struct hsi_client - HSI client attached to an HSI port - * @device: Driver model representation of the device - * @tx_cfg: HSI TX configuration - * @rx_cfg: HSI RX configuration - * @e_handler: Callback for handling port events (RX Wake High/Low) - * @pclaimed: Keeps tracks if the clients claimed its associated HSI port - * @nb: Notifier block for port events - */ -struct hsi_client { - struct device device; - struct hsi_config tx_cfg; - struct hsi_config rx_cfg; - /* private: */ - void (*ehandler)(struct hsi_client *, unsigned long); - unsigned int pclaimed:1; - struct notifier_block nb; -}; - -#define to_hsi_client(dev) container_of(dev, struct hsi_client, device) - -static inline void hsi_client_set_drvdata(struct hsi_client *cl, void *data) -{ - dev_set_drvdata(&cl->device, data); -} - -static inline void *hsi_client_drvdata(struct hsi_client *cl) -{ - return dev_get_drvdata(&cl->device); -} - -int hsi_register_port_event(struct hsi_client *cl, - void (*handler)(struct hsi_client *, unsigned long)); -int hsi_unregister_port_event(struct hsi_client *cl); - -/** - * struct hsi_client_driver - Driver associated to an HSI client - * @driver: Driver model representation of the driver - */ -struct hsi_client_driver { - struct device_driver driver; -}; - -#define to_hsi_client_driver(drv) container_of(drv, struct hsi_client_driver,\ - driver) - -int hsi_register_client_driver(struct hsi_client_driver *drv); - -static inline void hsi_unregister_client_driver(struct hsi_client_driver *drv) -{ - driver_unregister(&drv->driver); -} - -/** - * struct hsi_msg - HSI message descriptor - * @link: Free to use by the current descriptor owner - * @cl: HSI device client that issues the transfer - * @sgt: Head of the scatterlist array - * @context: Client context data associated to the transfer - * @complete: Transfer completion callback - * @destructor: Destructor to free resources when flushing - * @status: Status of the transfer when completed - * @actual_len: Actual length of data transfered on completion - * @channel: Channel were to TX/RX the message - * @ttype: Transfer type (TX if set, RX otherwise) - * @break_frame: if true HSI will send/receive a break frame. Data buffers are - * ignored in the request. - */ -struct hsi_msg { - struct list_head link; - struct hsi_client *cl; - struct sg_table sgt; - void *context; - - void (*complete)(struct hsi_msg *msg); - void (*destructor)(struct hsi_msg *msg); - - int status; - unsigned int actual_len; - unsigned int channel; - unsigned int ttype:1; - unsigned int break_frame:1; -}; - -struct hsi_msg *hsi_alloc_msg(unsigned int n_frag, gfp_t flags); -void hsi_free_msg(struct hsi_msg *msg); - -/** - * struct hsi_port - HSI port device - * @device: Driver model representation of the device - * @tx_cfg: Current TX path configuration - * @rx_cfg: Current RX path configuration - * @num: Port number - * @shared: Set when port can be shared by different clients - * @claimed: Reference count of clients which claimed the port - * @lock: Serialize port claim - * @async: Asynchronous transfer callback - * @setup: Callback to set the HSI client configuration - * @flush: Callback to clean the HW state and destroy all pending transfers - * @start_tx: Callback to inform that a client wants to TX data - * @stop_tx: Callback to inform that a client no longer wishes to TX data - * @release: Callback to inform that a client no longer uses the port - * @n_head: Notifier chain for signaling port events to the clients. - */ -struct hsi_port { - struct device device; - struct hsi_config tx_cfg; - struct hsi_config rx_cfg; - unsigned int num; - unsigned int shared:1; - int claimed; - struct mutex lock; - int (*async)(struct hsi_msg *msg); - int (*setup)(struct hsi_client *cl); - int (*flush)(struct hsi_client *cl); - int (*start_tx)(struct hsi_client *cl); - int (*stop_tx)(struct hsi_client *cl); - int (*release)(struct hsi_client *cl); - /* private */ - struct atomic_notifier_head n_head; -}; - -#define to_hsi_port(dev) container_of(dev, struct hsi_port, device) -#define hsi_get_port(cl) to_hsi_port((cl)->device.parent) - -int hsi_event(struct hsi_port *port, unsigned long event); -int hsi_claim_port(struct hsi_client *cl, unsigned int share); -void hsi_release_port(struct hsi_client *cl); - -static inline int hsi_port_claimed(struct hsi_client *cl) -{ - return cl->pclaimed; -} - -static inline void hsi_port_set_drvdata(struct hsi_port *port, void *data) -{ - dev_set_drvdata(&port->device, data); -} - -static inline void *hsi_port_drvdata(struct hsi_port *port) -{ - return dev_get_drvdata(&port->device); -} - -/** - * struct hsi_controller - HSI controller device - * @device: Driver model representation of the device - * @owner: Pointer to the module owning the controller - * @id: HSI controller ID - * @num_ports: Number of ports in the HSI controller - * @port: Array of HSI ports - */ -struct hsi_controller { - struct device device; - struct module *owner; - unsigned int id; - unsigned int num_ports; - struct hsi_port **port; -}; - -#define to_hsi_controller(dev) container_of(dev, struct hsi_controller, device) - -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); - -static inline void hsi_controller_set_drvdata(struct hsi_controller *hsi, - void *data) -{ - dev_set_drvdata(&hsi->device, data); -} - -static inline void *hsi_controller_drvdata(struct hsi_controller *hsi) -{ - return dev_get_drvdata(&hsi->device); -} - -static inline struct hsi_port *hsi_find_port_num(struct hsi_controller *hsi, - unsigned int num) -{ - return (num < hsi->num_ports) ? hsi->port[num] : NULL; -} - -/* - * API for HSI clients - */ -int hsi_async(struct hsi_client *cl, struct hsi_msg *msg); - -/** - * hsi_id - Get HSI controller ID associated to a client - * @cl: Pointer to a HSI client - * - * Return the controller id where the client is attached to - */ -static inline unsigned int hsi_id(struct hsi_client *cl) -{ - return to_hsi_controller(cl->device.parent->parent)->id; -} - -/** - * hsi_port_id - Gets the port number a client is attached to - * @cl: Pointer to HSI client - * - * Return the port number associated to the client - */ -static inline unsigned int hsi_port_id(struct hsi_client *cl) -{ - return to_hsi_port(cl->device.parent)->num; -} - -/** - * hsi_setup - Configure the client's port - * @cl: Pointer to the HSI client - * - * When sharing ports, clients should either relay on a single - * client setup or have the same setup for all of them. - * - * Return -errno on failure, 0 on success - */ -static inline int hsi_setup(struct hsi_client *cl) -{ - if (!hsi_port_claimed(cl)) - return -EACCES; - return hsi_get_port(cl)->setup(cl); -} - -/** - * hsi_flush - Flush all pending transactions on the client's port - * @cl: Pointer to the HSI client - * - * This function will destroy all pending hsi_msg in the port and reset - * the HW port so it is ready to receive and transmit from a clean state. - * - * Return -errno on failure, 0 on success - */ -static inline int hsi_flush(struct hsi_client *cl) -{ - if (!hsi_port_claimed(cl)) - return -EACCES; - return hsi_get_port(cl)->flush(cl); -} - -/** - * hsi_async_read - Submit a read transfer - * @cl: Pointer to the HSI client - * @msg: HSI message descriptor of the transfer - * - * Return -errno on failure, 0 on success - */ -static inline int hsi_async_read(struct hsi_client *cl, struct hsi_msg *msg) -{ - msg->ttype = HSI_MSG_READ; - return hsi_async(cl, msg); -} - -/** - * hsi_async_write - Submit a write transfer - * @cl: Pointer to the HSI client - * @msg: HSI message descriptor of the transfer - * - * Return -errno on failure, 0 on success - */ -static inline int hsi_async_write(struct hsi_client *cl, struct hsi_msg *msg) -{ - msg->ttype = HSI_MSG_WRITE; - return hsi_async(cl, msg); -} - -/** - * hsi_start_tx - Signal the port that the client wants to start a TX - * @cl: Pointer to the HSI client - * - * Return -errno on failure, 0 on success - */ -static inline int hsi_start_tx(struct hsi_client *cl) -{ - if (!hsi_port_claimed(cl)) - return -EACCES; - return hsi_get_port(cl)->start_tx(cl); -} - -/** - * hsi_stop_tx - Signal the port that the client no longer wants to transmit - * @cl: Pointer to the HSI client - * - * Return -errno on failure, 0 on success - */ -static inline int hsi_stop_tx(struct hsi_client *cl) -{ - if (!hsi_port_claimed(cl)) - return -EACCES; - return hsi_get_port(cl)->stop_tx(cl); -} -#endif /* __LINUX_HSI_H__ */ diff --git a/ANDROID_3.4.5/include/linux/hsi/hsi_char.h b/ANDROID_3.4.5/include/linux/hsi/hsi_char.h deleted file mode 100644 index 76160b4f..00000000 --- a/ANDROID_3.4.5/include/linux/hsi/hsi_char.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * Part of the HSI character device driver. - * - * Copyright (C) 2010 Nokia Corporation. All rights reserved. - * - * Contact: Andras Domokos <andras.domokos at 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 __HSI_CHAR_H -#define __HSI_CHAR_H - -#define HSI_CHAR_MAGIC 'k' -#define HSC_IOW(num, dtype) _IOW(HSI_CHAR_MAGIC, num, dtype) -#define HSC_IOR(num, dtype) _IOR(HSI_CHAR_MAGIC, num, dtype) -#define HSC_IOWR(num, dtype) _IOWR(HSI_CHAR_MAGIC, num, dtype) -#define HSC_IO(num) _IO(HSI_CHAR_MAGIC, num) - -#define HSC_RESET HSC_IO(16) -#define HSC_SET_PM HSC_IO(17) -#define HSC_SEND_BREAK HSC_IO(18) -#define HSC_SET_RX HSC_IOW(19, struct hsc_rx_config) -#define HSC_GET_RX HSC_IOW(20, struct hsc_rx_config) -#define HSC_SET_TX HSC_IOW(21, struct hsc_tx_config) -#define HSC_GET_TX HSC_IOW(22, struct hsc_tx_config) - -#define HSC_PM_DISABLE 0 -#define HSC_PM_ENABLE 1 - -#define HSC_MODE_STREAM 1 -#define HSC_MODE_FRAME 2 -#define HSC_FLOW_SYNC 0 -#define HSC_ARB_RR 0 -#define HSC_ARB_PRIO 1 - -struct hsc_rx_config { - uint32_t mode; - uint32_t flow; - uint32_t channels; -}; - -struct hsc_tx_config { - uint32_t mode; - uint32_t channels; - uint32_t speed; - uint32_t arb_mode; -}; - -#endif /* __HSI_CHAR_H */ |