diff options
Diffstat (limited to 'drivers/staging/fsl-mc/include/mc.h')
| -rw-r--r-- | drivers/staging/fsl-mc/include/mc.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/staging/fsl-mc/include/mc.h b/drivers/staging/fsl-mc/include/mc.h index a933291e400a..ac7c1ce68c03 100644 --- a/drivers/staging/fsl-mc/include/mc.h +++ b/drivers/staging/fsl-mc/include/mc.h @@ -14,12 +14,14 @@ #include <linux/device.h> #include <linux/mod_devicetable.h> #include <linux/list.h> +#include <linux/interrupt.h> #include "../include/dprc.h" #define FSL_MC_VENDOR_FREESCALE 0x1957 struct fsl_mc_device; struct fsl_mc_io; +struct fsl_mc_bus; /** * struct fsl_mc_driver - MC object device driver object @@ -75,6 +77,7 @@ enum fsl_mc_pool_type { FSL_MC_POOL_DPMCP = 0x0, /* corresponds to "dpmcp" in the MC */ FSL_MC_POOL_DPBP, /* corresponds to "dpbp" in the MC */ FSL_MC_POOL_DPCON, /* corresponds to "dpcon" in the MC */ + FSL_MC_POOL_IRQ, /* * NOTE: New resource pool types must be added before this entry @@ -104,6 +107,23 @@ struct fsl_mc_resource { }; /** + * struct fsl_mc_device_irq - MC object device message-based interrupt + * @msi_desc: pointer to MSI descriptor allocated by fsl_mc_msi_alloc_descs() + * @mc_dev: MC object device that owns this interrupt + * @dev_irq_index: device-relative IRQ index + * @resource: MC generic resource associated with the interrupt + */ +struct fsl_mc_device_irq { + struct msi_desc *msi_desc; + struct fsl_mc_device *mc_dev; + u8 dev_irq_index; + struct fsl_mc_resource resource; +}; + +#define to_fsl_mc_irq(_mc_resource) \ + container_of(_mc_resource, struct fsl_mc_device_irq, resource) + +/** * Bit masks for a MC object device (struct fsl_mc_device) flags */ #define FSL_MC_IS_DPRC 0x0001 @@ -124,6 +144,7 @@ struct fsl_mc_resource { * NULL if none. * @obj_desc: MC description of the DPAA device * @regions: pointer to array of MMIO region entries + * @irqs: pointer to array of pointers to interrupts allocated to this device * @resource: generic resource associated with this MC object device, if any. * * Generic device object for MC object devices that are "attached" to a @@ -155,6 +176,7 @@ struct fsl_mc_device { struct fsl_mc_io *mc_io; struct dprc_obj_desc obj_desc; struct resource *regions; + struct fsl_mc_device_irq **irqs; struct fsl_mc_resource *resource; }; @@ -198,6 +220,10 @@ int __must_check fsl_mc_object_allocate(struct fsl_mc_device *mc_dev, void fsl_mc_object_free(struct fsl_mc_device *mc_adev); +int __must_check fsl_mc_allocate_irqs(struct fsl_mc_device *mc_dev); + +void fsl_mc_free_irqs(struct fsl_mc_device *mc_dev); + extern struct bus_type fsl_mc_bus_type; #endif /* _FSL_MC_H_ */ |