diff options
Diffstat (limited to 'drivers/staging/fsl-mc/include/mc-bus.h')
| -rw-r--r-- | drivers/staging/fsl-mc/include/mc-bus.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/drivers/staging/fsl-mc/include/mc-bus.h b/drivers/staging/fsl-mc/include/mc-bus.h deleted file mode 100644 index 42700de94d59..000000000000 --- a/drivers/staging/fsl-mc/include/mc-bus.h +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Freescale Management Complex (MC) bus declarations - * - * Copyright (C) 2014-2016 Freescale Semiconductor, Inc. - * Author: German Rivera <German.Rivera@freescale.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ -#ifndef _FSL_MC_MCBUS_H_ -#define _FSL_MC_MCBUS_H_ - -#include "../include/mc.h" -#include <linux/mutex.h> - -struct irq_domain; -struct msi_domain_info; - -/** - * Maximum number of total IRQs that can be pre-allocated for an MC bus' - * IRQ pool - */ -#define FSL_MC_IRQ_POOL_MAX_TOTAL_IRQS 256 - -#ifdef CONFIG_FSL_MC_BUS -#define dev_is_fsl_mc(_dev) ((_dev)->bus == &fsl_mc_bus_type) -#else -/* If fsl-mc bus is not present device cannot belong to fsl-mc bus */ -#define dev_is_fsl_mc(_dev) (0) -#endif - -/** - * struct fsl_mc_resource_pool - Pool of MC resources of a given - * type - * @type: type of resources in the pool - * @max_count: maximum number of resources in the pool - * @free_count: number of free resources in the pool - * @mutex: mutex to serialize access to the pool's free list - * @free_list: anchor node of list of free resources in the pool - * @mc_bus: pointer to the MC bus that owns this resource pool - */ -struct fsl_mc_resource_pool { - enum fsl_mc_pool_type type; - int max_count; - int free_count; - struct mutex mutex; /* serializes access to free_list */ - struct list_head free_list; - struct fsl_mc_bus *mc_bus; -}; - -/** - * struct fsl_mc_bus - logical bus that corresponds to a physical DPRC - * @mc_dev: fsl-mc device for the bus device itself. - * @resource_pools: array of resource pools (one pool per resource type) - * for this MC bus. These resources represent allocatable entities - * from the physical DPRC. - * @irq_resources: Pointer to array of IRQ objects for the IRQ pool - * @scan_mutex: Serializes bus scanning - * @dprc_attr: DPRC attributes - */ -struct fsl_mc_bus { - struct fsl_mc_device mc_dev; - struct fsl_mc_resource_pool resource_pools[FSL_MC_NUM_POOL_TYPES]; - struct fsl_mc_device_irq *irq_resources; - struct mutex scan_mutex; /* serializes bus scanning */ - struct dprc_attributes dprc_attr; -}; - -#define to_fsl_mc_bus(_mc_dev) \ - container_of(_mc_dev, struct fsl_mc_bus, mc_dev) - -int dprc_scan_container(struct fsl_mc_device *mc_bus_dev); - -int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev, - unsigned int *total_irq_count); - -int __init dprc_driver_init(void); - -void dprc_driver_exit(void); - -int __init fsl_mc_allocator_driver_init(void); - -void fsl_mc_allocator_driver_exit(void); - -struct irq_domain *fsl_mc_msi_create_irq_domain(struct fwnode_handle *fwnode, - struct msi_domain_info *info, - struct irq_domain *parent); - -int fsl_mc_find_msi_domain(struct device *mc_platform_dev, - struct irq_domain **mc_msi_domain); - -int fsl_mc_populate_irq_pool(struct fsl_mc_bus *mc_bus, - unsigned int irq_count); - -void fsl_mc_cleanup_irq_pool(struct fsl_mc_bus *mc_bus); - -void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev); - -void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev); - -bool fsl_mc_bus_exists(void); - -void fsl_mc_get_root_dprc(struct device *dev, - struct device **root_dprc_dev); - -bool fsl_mc_is_root_dprc(struct device *dev); - -extern struct bus_type fsl_mc_bus_type; - -#endif /* _FSL_MC_MCBUS_H_ */ |