diff options
Diffstat (limited to 'drivers/staging/tidspbridge/pmgr/dev.c')
| -rw-r--r-- | drivers/staging/tidspbridge/pmgr/dev.c | 969 |
1 files changed, 0 insertions, 969 deletions
diff --git a/drivers/staging/tidspbridge/pmgr/dev.c b/drivers/staging/tidspbridge/pmgr/dev.c deleted file mode 100644 index 616dc1f63070..000000000000 --- a/drivers/staging/tidspbridge/pmgr/dev.c +++ /dev/null @@ -1,969 +0,0 @@ -/* - * dev.c - * - * DSP-BIOS Bridge driver support functions for TI OMAP processors. - * - * Implementation of Bridge Bridge driver device operations. - * - * Copyright (C) 2005-2006 Texas Instruments, Inc. - * - * This package 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 PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ -#include <linux/types.h> -#include <linux/list.h> - -/* ----------------------------------- Host OS */ -#include <dspbridge/host_os.h> - -/* ----------------------------------- DSP/BIOS Bridge */ -#include <dspbridge/dbdefs.h> - -/* ----------------------------------- Platform Manager */ -#include <dspbridge/cod.h> -#include <dspbridge/drv.h> -#include <dspbridge/proc.h> -#include <dspbridge/dmm.h> - -/* ----------------------------------- Resource Manager */ -#include <dspbridge/mgr.h> -#include <dspbridge/node.h> - -/* ----------------------------------- Others */ -#include <dspbridge/dspapi.h> /* DSP API version info. */ - -#include <dspbridge/chnl.h> -#include <dspbridge/io.h> -#include <dspbridge/msg.h> -#include <dspbridge/cmm.h> -#include <dspbridge/dspdeh.h> - -/* ----------------------------------- This */ -#include <dspbridge/dev.h> - -/* ----------------------------------- Defines, Data Structures, Typedefs */ - -#define MAKEVERSION(major, minor) (major * 10 + minor) -#define BRD_API_VERSION MAKEVERSION(BRD_API_MAJOR_VERSION, \ - BRD_API_MINOR_VERSION) - -/* The Bridge device object: */ -struct dev_object { - struct list_head link; /* Link to next dev_object. */ - u8 dev_type; /* Device Type */ - struct cfg_devnode *dev_node_obj; /* Platform specific dev id */ - /* Bridge Context Handle */ - struct bridge_dev_context *bridge_context; - /* Function interface to Bridge driver. */ - struct bridge_drv_interface bridge_interface; - struct brd_object *lock_owner; /* Client with exclusive access. */ - struct cod_manager *cod_mgr; /* Code manager handle. */ - struct chnl_mgr *chnl_mgr; /* Channel manager. */ - struct deh_mgr *deh_mgr; /* DEH manager. */ - struct msg_mgr *msg_mgr; /* Message manager. */ - struct io_mgr *iomgr; /* IO manager (CHNL, msg_ctrl) */ - struct cmm_object *cmm_mgr; /* SM memory manager. */ - struct dmm_object *dmm_mgr; /* Dynamic memory manager. */ - u32 word_size; /* DSP word size: quick access. */ - struct drv_object *drv_obj; /* Driver Object */ - /* List of Processors attached to this device */ - struct list_head proc_list; - struct node_mgr *node_mgr; -}; - -struct drv_ext { - struct list_head link; - char sz_string[MAXREGPATHLENGTH]; -}; - -/* ----------------------------------- Function Prototypes */ -static int fxn_not_implemented(int arg, ...); -static int init_cod_mgr(struct dev_object *dev_obj); -static void store_interface_fxns(struct bridge_drv_interface *drv_fxns, - struct bridge_drv_interface *intf_fxns); -/* - * ======== dev_brd_write_fxn ======== - * Purpose: - * Exported function to be used as the COD write function. This function - * is passed a handle to a DEV_hObject, then calls the - * device's bridge_brd_write() function. - */ -u32 dev_brd_write_fxn(void *arb, u32 dsp_add, void *host_buf, - u32 ul_num_bytes, u32 mem_space) -{ - struct dev_object *dev_obj = (struct dev_object *)arb; - u32 ul_written = 0; - int status; - - if (dev_obj) { - /* Require of BrdWrite() */ - status = (*dev_obj->bridge_interface.brd_write) ( - dev_obj->bridge_context, host_buf, - dsp_add, ul_num_bytes, mem_space); - /* Special case of getting the address only */ - if (ul_num_bytes == 0) - ul_num_bytes = 1; - if (!status) - ul_written = ul_num_bytes; - - } - return ul_written; -} - -/* - * ======== dev_create_device ======== - * Purpose: - * Called by the operating system to load the PM Bridge Driver for a - * PM board (device). - */ -int dev_create_device(struct dev_object **device_obj, - const char *driver_file_name, - struct cfg_devnode *dev_node_obj) -{ - struct cfg_hostres *host_res; - struct bridge_drv_interface *drv_fxns = NULL; - struct dev_object *dev_obj = NULL; - struct chnl_mgrattrs mgr_attrs; - struct io_attrs io_mgr_attrs; - u32 num_windows; - struct drv_object *hdrv_obj = NULL; - struct drv_data *drv_datap = dev_get_drvdata(bridge); - int status = 0; - - status = drv_request_bridge_res_dsp((void *)&host_res); - - if (status) { - dev_dbg(bridge, "%s: Failed to reserve bridge resources\n", - __func__); - goto leave; - } - - /* Get the Bridge driver interface functions */ - bridge_drv_entry(&drv_fxns, driver_file_name); - - /* Retrieve the Object handle from the driver data */ - if (drv_datap && drv_datap->drv_object) { - hdrv_obj = drv_datap->drv_object; - } else { - status = -EPERM; - pr_err("%s: Failed to retrieve the object handle\n", __func__); - } - - /* Create the device object, and pass a handle to the Bridge driver for - * storage. */ - if (!status) { - dev_obj = kzalloc(sizeof(struct dev_object), GFP_KERNEL); - if (dev_obj) { - /* Fill out the rest of the Dev Object structure: */ - dev_obj->dev_node_obj = dev_node_obj; - dev_obj->cod_mgr = NULL; - dev_obj->chnl_mgr = NULL; - dev_obj->deh_mgr = NULL; - dev_obj->lock_owner = NULL; - dev_obj->word_size = DSPWORDSIZE; - dev_obj->drv_obj = hdrv_obj; - dev_obj->dev_type = DSP_UNIT; - /* Store this Bridge's interface functions, based on its - * version. */ - store_interface_fxns(drv_fxns, - &dev_obj->bridge_interface); - - /* Call fxn_dev_create() to get the Bridge's device - * context handle. */ - status = (dev_obj->bridge_interface.dev_create) - (&dev_obj->bridge_context, dev_obj, - host_res); - } else { - status = -ENOMEM; - } - } - /* Attempt to create the COD manager for this device: */ - if (!status) - status = init_cod_mgr(dev_obj); - - /* Attempt to create the channel manager for this device: */ - if (!status) { - mgr_attrs.max_channels = CHNL_MAXCHANNELS; - io_mgr_attrs.birq = host_res->birq_registers; - io_mgr_attrs.irq_shared = - (host_res->birq_attrib & CFG_IRQSHARED); - io_mgr_attrs.word_size = DSPWORDSIZE; - mgr_attrs.word_size = DSPWORDSIZE; - num_windows = host_res->num_mem_windows; - if (num_windows) { - /* Assume last memory window is for CHNL */ - io_mgr_attrs.shm_base = host_res->mem_base[1] + - host_res->offset_for_monitor; - io_mgr_attrs.sm_length = - host_res->mem_length[1] - - host_res->offset_for_monitor; - } else { - io_mgr_attrs.shm_base = 0; - io_mgr_attrs.sm_length = 0; - pr_err("%s: No memory reserved for shared structures\n", - __func__); - } - status = chnl_create(&dev_obj->chnl_mgr, dev_obj, &mgr_attrs); - if (status == -ENOSYS) { - /* It's OK for a device not to have a channel - * manager: */ - status = 0; - } - /* Create CMM mgr even if Msg Mgr not impl. */ - status = cmm_create(&dev_obj->cmm_mgr, - (struct dev_object *)dev_obj, NULL); - /* Only create IO manager if we have a channel manager */ - if (!status && dev_obj->chnl_mgr) { - status = io_create(&dev_obj->iomgr, dev_obj, - &io_mgr_attrs); - } - /* Only create DEH manager if we have an IO manager */ - if (!status) { - /* Instantiate the DEH module */ - status = bridge_deh_create(&dev_obj->deh_mgr, dev_obj); - } - /* Create DMM mgr . */ - status = dmm_create(&dev_obj->dmm_mgr, - (struct dev_object *)dev_obj, NULL); - } - /* Add the new DEV_Object to the global list: */ - if (!status) - status = drv_insert_dev_object(hdrv_obj, dev_obj); - - /* Create the Processor List */ - if (!status) - INIT_LIST_HEAD(&dev_obj->proc_list); -leave: - /* If all went well, return a handle to the dev object; - * else, cleanup and return NULL in the OUT parameter. */ - if (!status) { - *device_obj = dev_obj; - } else { - if (dev_obj) { - if (dev_obj->cod_mgr) - cod_delete(dev_obj->cod_mgr); - if (dev_obj->dmm_mgr) - dmm_destroy(dev_obj->dmm_mgr); - kfree(dev_obj); - } - - *device_obj = NULL; - } - - return status; -} - -/* - * ======== dev_create2 ======== - * Purpose: - * After successful loading of the image from api_init_complete2 - * (PROC Auto_Start) or proc_load this fxn is called. This creates - * the Node Manager and updates the DEV Object. - */ -int dev_create2(struct dev_object *hdev_obj) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - /* There can be only one Node Manager per DEV object */ - status = node_create_mgr(&dev_obj->node_mgr, hdev_obj); - if (status) - dev_obj->node_mgr = NULL; - - return status; -} - -/* - * ======== dev_destroy2 ======== - * Purpose: - * Destroys the Node manager for this device. - */ -int dev_destroy2(struct dev_object *hdev_obj) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - if (dev_obj->node_mgr) { - if (node_delete_mgr(dev_obj->node_mgr)) - status = -EPERM; - else - dev_obj->node_mgr = NULL; - - } - - return status; -} - -/* - * ======== dev_destroy_device ======== - * Purpose: - * Destroys the channel manager for this device, if any, calls - * bridge_dev_destroy(), and then attempts to unload the Bridge module. - */ -int dev_destroy_device(struct dev_object *hdev_obj) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - if (hdev_obj) { - if (dev_obj->cod_mgr) { - cod_delete(dev_obj->cod_mgr); - dev_obj->cod_mgr = NULL; - } - - if (dev_obj->node_mgr) { - node_delete_mgr(dev_obj->node_mgr); - dev_obj->node_mgr = NULL; - } - - /* Free the io, channel, and message managers for this board: */ - if (dev_obj->iomgr) { - io_destroy(dev_obj->iomgr); - dev_obj->iomgr = NULL; - } - if (dev_obj->chnl_mgr) { - chnl_destroy(dev_obj->chnl_mgr); - dev_obj->chnl_mgr = NULL; - } - if (dev_obj->msg_mgr) { - msg_delete(dev_obj->msg_mgr); - dev_obj->msg_mgr = NULL; - } - - if (dev_obj->deh_mgr) { - /* Uninitialize DEH module. */ - bridge_deh_destroy(dev_obj->deh_mgr); - dev_obj->deh_mgr = NULL; - } - if (dev_obj->cmm_mgr) { - cmm_destroy(dev_obj->cmm_mgr, true); - dev_obj->cmm_mgr = NULL; - } - - if (dev_obj->dmm_mgr) { - dmm_destroy(dev_obj->dmm_mgr); - dev_obj->dmm_mgr = NULL; - } - - /* Call the driver's bridge_dev_destroy() function: */ - /* Require of DevDestroy */ - if (dev_obj->bridge_context) { - status = (*dev_obj->bridge_interface.dev_destroy) - (dev_obj->bridge_context); - dev_obj->bridge_context = NULL; - } else - status = -EPERM; - if (!status) { - /* Remove this DEV_Object from the global list: */ - drv_remove_dev_object(dev_obj->drv_obj, dev_obj); - /* Free The library * LDR_FreeModule - * (dev_obj->module_obj); */ - /* Free this dev object: */ - kfree(dev_obj); - dev_obj = NULL; - } - } else { - status = -EFAULT; - } - - return status; -} - -/* - * ======== dev_get_chnl_mgr ======== - * Purpose: - * Retrieve the handle to the channel manager handle created for this - * device. - */ -int dev_get_chnl_mgr(struct dev_object *hdev_obj, - struct chnl_mgr **mgr) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - if (hdev_obj) { - *mgr = dev_obj->chnl_mgr; - } else { - *mgr = NULL; - status = -EFAULT; - } - - return status; -} - -/* - * ======== dev_get_cmm_mgr ======== - * Purpose: - * Retrieve the handle to the shared memory manager created for this - * device. - */ -int dev_get_cmm_mgr(struct dev_object *hdev_obj, - struct cmm_object **mgr) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - if (hdev_obj) { - *mgr = dev_obj->cmm_mgr; - } else { - *mgr = NULL; - status = -EFAULT; - } - - return status; -} - -/* - * ======== dev_get_dmm_mgr ======== - * Purpose: - * Retrieve the handle to the dynamic memory manager created for this - * device. - */ -int dev_get_dmm_mgr(struct dev_object *hdev_obj, - struct dmm_object **mgr) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - if (hdev_obj) { - *mgr = dev_obj->dmm_mgr; - } else { - *mgr = NULL; - status = -EFAULT; - } - - return status; -} - -/* - * ======== dev_get_cod_mgr ======== - * Purpose: - * Retrieve the COD manager create for this device. - */ -int dev_get_cod_mgr(struct dev_object *hdev_obj, - struct cod_manager **cod_mgr) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - if (hdev_obj) { - *cod_mgr = dev_obj->cod_mgr; - } else { - *cod_mgr = NULL; - status = -EFAULT; - } - - return status; -} - -/* - * ========= dev_get_deh_mgr ======== - */ -int dev_get_deh_mgr(struct dev_object *hdev_obj, - struct deh_mgr **deh_manager) -{ - int status = 0; - - if (hdev_obj) { - *deh_manager = hdev_obj->deh_mgr; - } else { - *deh_manager = NULL; - status = -EFAULT; - } - return status; -} - -/* - * ======== dev_get_dev_node ======== - * Purpose: - * Retrieve the platform specific device ID for this device. - */ -int dev_get_dev_node(struct dev_object *hdev_obj, - struct cfg_devnode **dev_nde) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - if (hdev_obj) { - *dev_nde = dev_obj->dev_node_obj; - } else { - *dev_nde = NULL; - status = -EFAULT; - } - - return status; -} - -/* - * ======== dev_get_first ======== - * Purpose: - * Retrieve the first Device Object handle from an internal linked list - * DEV_OBJECTs maintained by DEV. - */ -struct dev_object *dev_get_first(void) -{ - struct dev_object *dev_obj = NULL; - - dev_obj = (struct dev_object *)drv_get_first_dev_object(); - - return dev_obj; -} - -/* - * ======== dev_get_intf_fxns ======== - * Purpose: - * Retrieve the Bridge interface function structure for the loaded driver. - * if_fxns != NULL. - */ -int dev_get_intf_fxns(struct dev_object *hdev_obj, - struct bridge_drv_interface **if_fxns) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - if (hdev_obj) { - *if_fxns = &dev_obj->bridge_interface; - } else { - *if_fxns = NULL; - status = -EFAULT; - } - - return status; -} - -/* - * ========= dev_get_io_mgr ======== - */ -int dev_get_io_mgr(struct dev_object *hdev_obj, - struct io_mgr **io_man) -{ - int status = 0; - - if (hdev_obj) { - *io_man = hdev_obj->iomgr; - } else { - *io_man = NULL; - status = -EFAULT; - } - - return status; -} - -/* - * ======== dev_get_next ======== - * Purpose: - * Retrieve the next Device Object handle from an internal linked list - * of DEV_OBJECTs maintained by DEV, after having previously called - * dev_get_first() and zero or more dev_get_next - */ -struct dev_object *dev_get_next(struct dev_object *hdev_obj) -{ - struct dev_object *next_dev_object = NULL; - - if (hdev_obj) { - next_dev_object = (struct dev_object *) - drv_get_next_dev_object((u32) hdev_obj); - } - - return next_dev_object; -} - -/* - * ========= dev_get_msg_mgr ======== - */ -void dev_get_msg_mgr(struct dev_object *hdev_obj, struct msg_mgr **msg_man) -{ - *msg_man = hdev_obj->msg_mgr; -} - -/* - * ======== dev_get_node_manager ======== - * Purpose: - * Retrieve the Node Manager Handle - */ -int dev_get_node_manager(struct dev_object *hdev_obj, - struct node_mgr **node_man) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - if (hdev_obj) { - *node_man = dev_obj->node_mgr; - } else { - *node_man = NULL; - status = -EFAULT; - } - - return status; -} - -/* - * ======== dev_get_symbol ======== - */ -int dev_get_symbol(struct dev_object *hdev_obj, - const char *str_sym, u32 *pul_value) -{ - int status = 0; - struct cod_manager *cod_mgr; - - if (hdev_obj) { - status = dev_get_cod_mgr(hdev_obj, &cod_mgr); - if (cod_mgr) - status = cod_get_sym_value(cod_mgr, (char *)str_sym, - pul_value); - else - status = -EFAULT; - } - - return status; -} - -/* - * ======== dev_get_bridge_context ======== - * Purpose: - * Retrieve the Bridge Context handle, as returned by the - * bridge_dev_create fxn. - */ -int dev_get_bridge_context(struct dev_object *hdev_obj, - struct bridge_dev_context **phbridge_context) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - if (hdev_obj) { - *phbridge_context = dev_obj->bridge_context; - } else { - *phbridge_context = NULL; - status = -EFAULT; - } - - return status; -} - -/* - * ======== dev_notify_clients ======== - * Purpose: - * Notify all clients of this device of a change in device status. - */ -int dev_notify_clients(struct dev_object *dev_obj, u32 ret) -{ - struct list_head *curr; - - /* - * FIXME: this code needs struct proc_object to have a list_head - * at the beginning. If not, this can go horribly wrong. - */ - list_for_each(curr, &dev_obj->proc_list) - proc_notify_clients((void *)curr, ret); - - return 0; -} - -/* - * ======== dev_remove_device ======== - */ -int dev_remove_device(struct cfg_devnode *dev_node_obj) -{ - struct dev_object *hdev_obj; /* handle to device object */ - int status = 0; - struct drv_data *drv_datap = dev_get_drvdata(bridge); - - if (!drv_datap) - status = -ENODATA; - - if (!dev_node_obj) - status = -EFAULT; - - /* Retrieve the device object handle originally stored with - * the dev_node: */ - if (!status) { - /* check the device string and then store dev object */ - if (!strcmp((char *)((struct drv_ext *)dev_node_obj)->sz_string, - "TIOMAP1510")) { - hdev_obj = drv_datap->dev_object; - /* Destroy the device object. */ - status = dev_destroy_device(hdev_obj); - } else { - status = -EPERM; - } - } - - if (status) - pr_err("%s: Failed, status 0x%x\n", __func__, status); - - return status; -} - -/* - * ======== dev_set_chnl_mgr ======== - * Purpose: - * Set the channel manager for this device. - */ -int dev_set_chnl_mgr(struct dev_object *hdev_obj, - struct chnl_mgr *hmgr) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - if (hdev_obj) - dev_obj->chnl_mgr = hmgr; - else - status = -EFAULT; - - return status; -} - -/* - * ======== dev_set_msg_mgr ======== - * Purpose: - * Set the message manager for this device. - */ -void dev_set_msg_mgr(struct dev_object *hdev_obj, struct msg_mgr *hmgr) -{ - hdev_obj->msg_mgr = hmgr; -} - -/* - * ======== dev_start_device ======== - * Purpose: - * Initializes the new device with the BRIDGE environment. - */ -int dev_start_device(struct cfg_devnode *dev_node_obj) -{ - struct dev_object *hdev_obj = NULL; /* handle to 'Bridge Device */ - /* Bridge driver filename */ - char *bridge_file_name = "UMA"; - int status; - struct mgr_object *hmgr_obj = NULL; - struct drv_data *drv_datap = dev_get_drvdata(bridge); - - /* Given all resources, create a device object. */ - status = dev_create_device(&hdev_obj, bridge_file_name, - dev_node_obj); - if (!status) { - /* Store away the hdev_obj with the DEVNODE */ - if (!drv_datap || !dev_node_obj) { - status = -EFAULT; - pr_err("%s: Failed, status 0x%x\n", __func__, status); - } else if (!(strcmp((char *)dev_node_obj, "TIOMAP1510"))) { - drv_datap->dev_object = (void *) hdev_obj; - } - if (!status) { - /* Create the Manager Object */ - status = mgr_create(&hmgr_obj, dev_node_obj); - if (status && !(strcmp((char *)dev_node_obj, - "TIOMAP1510"))) { - /* Ensure the device extension is NULL */ - drv_datap->dev_object = NULL; - } - } - if (status) { - /* Clean up */ - dev_destroy_device(hdev_obj); - hdev_obj = NULL; - } - } - - return status; -} - -/* - * ======== fxn_not_implemented ======== - * Purpose: - * Takes the place of a Bridge Null Function. - * Parameters: - * Multiple, optional. - * Returns: - * -ENOSYS: Always. - */ -static int fxn_not_implemented(int arg, ...) -{ - return -ENOSYS; -} - -/* - * ======== init_cod_mgr ======== - * Purpose: - * Create a COD manager for this device. - * Parameters: - * dev_obj: Pointer to device object created with - * dev_create_device() - * Returns: - * 0: Success. - * -EFAULT: Invalid hdev_obj. - * Requires: - * Should only be called once by dev_create_device() for a given DevObject. - * Ensures: - */ -static int init_cod_mgr(struct dev_object *dev_obj) -{ - int status = 0; - char *sz_dummy_file = "dummy"; - - status = cod_create(&dev_obj->cod_mgr, sz_dummy_file); - - return status; -} - -/* - * ======== dev_insert_proc_object ======== - * Purpose: - * Insert a ProcObject into the list maintained by DEV. - * Parameters: - * p_proc_object: Ptr to ProcObject to insert. - * dev_obj: Ptr to Dev Object where the list is. - * already_attached: Ptr to return the bool - * Returns: - * 0: If successful. - * Requires: - * List Exists - * hdev_obj is Valid handle - * DEV Initialized - * already_attached != NULL - * proc_obj != 0 - * Ensures: - * 0 and List is not Empty. - */ -int dev_insert_proc_object(struct dev_object *hdev_obj, - u32 proc_obj, bool *already_attached) -{ - struct dev_object *dev_obj = (struct dev_object *)hdev_obj; - - if (!list_empty(&dev_obj->proc_list)) - *already_attached = true; - - /* Add DevObject to tail. */ - /* - * FIXME: this code needs struct proc_object to have a list_head - * at the beginning. If not, this can go horribly wrong. - */ - list_add_tail((struct list_head *)proc_obj, &dev_obj->proc_list); - - return 0; -} - -/* - * ======== dev_remove_proc_object ======== - * Purpose: - * Search for and remove a Proc object from the given list maintained - * by the DEV - * Parameters: - * p_proc_object: Ptr to ProcObject to insert. - * dev_obj Ptr to Dev Object where the list is. - * Returns: - * 0: If successful. - * Requires: - * List exists and is not empty - * proc_obj != 0 - * hdev_obj is a valid Dev handle. - * Ensures: - * Details: - * List will be deleted when the DEV is destroyed. - */ -int dev_remove_proc_object(struct dev_object *hdev_obj, u32 proc_obj) -{ - int status = -EPERM; - struct list_head *cur_elem; - struct dev_object *dev_obj = (struct dev_object *)hdev_obj; - - /* Search list for dev_obj: */ - list_for_each(cur_elem, &dev_obj->proc_list) { - if ((u32) cur_elem == proc_obj) { - list_del(cur_elem); - status = 0; - break; - } - } - - return status; -} - -int dev_get_dev_type(struct dev_object *dev_obj, u8 *dev_type) -{ - *dev_type = dev_obj->dev_type; - return 0; -} - -/* - * ======== store_interface_fxns ======== - * Purpose: - * Copy the Bridge's interface functions into the device object, - * ensuring that fxn_not_implemented() is set for: - * - * 1. All Bridge function pointers which are NULL; and - * 2. All function slots in the struct dev_object structure which have no - * corresponding slots in the the Bridge's interface, because the Bridge - * is of an *older* version. - * Parameters: - * intf_fxns: Interface fxn Structure of the Bridge's Dev Object. - * drv_fxns: Interface Fxns offered by the Bridge during DEV_Create(). - * Returns: - * Requires: - * Input pointers are valid. - * Bridge driver is *not* written for a newer DSP API. - * Ensures: - * All function pointers in the dev object's fxn interface are not NULL. - */ -static void store_interface_fxns(struct bridge_drv_interface *drv_fxns, - struct bridge_drv_interface *intf_fxns) -{ - u32 bridge_version; - - /* Local helper macro: */ -#define STORE_FXN(cast, pfn) \ - (intf_fxns->pfn = ((drv_fxns->pfn != NULL) ? drv_fxns->pfn : \ - (cast)fxn_not_implemented)) - - bridge_version = MAKEVERSION(drv_fxns->brd_api_major_version, - drv_fxns->brd_api_minor_version); - intf_fxns->brd_api_major_version = drv_fxns->brd_api_major_version; - intf_fxns->brd_api_minor_version = drv_fxns->brd_api_minor_version; - /* Install functions up to DSP API version .80 (first alpha): */ - if (bridge_version > 0) { - STORE_FXN(fxn_dev_create, dev_create); - STORE_FXN(fxn_dev_destroy, dev_destroy); - STORE_FXN(fxn_dev_ctrl, dev_cntrl); - STORE_FXN(fxn_brd_monitor, brd_monitor); - STORE_FXN(fxn_brd_start, brd_start); - STORE_FXN(fxn_brd_stop, brd_stop); - STORE_FXN(fxn_brd_status, brd_status); - STORE_FXN(fxn_brd_read, brd_read); - STORE_FXN(fxn_brd_write, brd_write); - STORE_FXN(fxn_brd_setstate, brd_set_state); - STORE_FXN(fxn_brd_memcopy, brd_mem_copy); - STORE_FXN(fxn_brd_memwrite, brd_mem_write); - STORE_FXN(fxn_brd_memmap, brd_mem_map); - STORE_FXN(fxn_brd_memunmap, brd_mem_un_map); - STORE_FXN(fxn_chnl_create, chnl_create); - STORE_FXN(fxn_chnl_destroy, chnl_destroy); - STORE_FXN(fxn_chnl_open, chnl_open); - STORE_FXN(fxn_chnl_close, chnl_close); - STORE_FXN(fxn_chnl_addioreq, chnl_add_io_req); - STORE_FXN(fxn_chnl_getioc, chnl_get_ioc); - STORE_FXN(fxn_chnl_cancelio, chnl_cancel_io); - STORE_FXN(fxn_chnl_flushio, chnl_flush_io); - STORE_FXN(fxn_chnl_getinfo, chnl_get_info); - STORE_FXN(fxn_chnl_getmgrinfo, chnl_get_mgr_info); - STORE_FXN(fxn_chnl_idle, chnl_idle); - STORE_FXN(fxn_chnl_registernotify, chnl_register_notify); - STORE_FXN(fxn_io_create, io_create); - STORE_FXN(fxn_io_destroy, io_destroy); - STORE_FXN(fxn_io_onloaded, io_on_loaded); - STORE_FXN(fxn_io_getprocload, io_get_proc_load); - STORE_FXN(fxn_msg_create, msg_create); - STORE_FXN(fxn_msg_createqueue, msg_create_queue); - STORE_FXN(fxn_msg_delete, msg_delete); - STORE_FXN(fxn_msg_deletequeue, msg_delete_queue); - STORE_FXN(fxn_msg_get, msg_get); - STORE_FXN(fxn_msg_put, msg_put); - STORE_FXN(fxn_msg_registernotify, msg_register_notify); - STORE_FXN(fxn_msg_setqueueid, msg_set_queue_id); - } - /* Add code for any additional functions in newerBridge versions here */ -#undef STORE_FXN -} |