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author | Takashi Iwai | 2010-12-13 09:29:52 +0100 |
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committer | Takashi Iwai | 2010-12-13 09:29:52 +0100 |
commit | 354d14b3f53cc749c5d26d4ba7280d1e931d6bc4 (patch) | |
tree | 59b597e44902d8db8bde7deac1e7e707327c6fe6 /drivers/staging/tidspbridge/include/dspbridge/dspdefs.h | |
parent | ALSA: aoa: Remove wrong i2c_set_clientdata in onyx_i2c_remove() (diff) | |
parent | sound: don't use flush_scheduled_work() (diff) | |
download | kernel-qcow2-linux-354d14b3f53cc749c5d26d4ba7280d1e931d6bc4.tar.gz kernel-qcow2-linux-354d14b3f53cc749c5d26d4ba7280d1e931d6bc4.tar.xz kernel-qcow2-linux-354d14b3f53cc749c5d26d4ba7280d1e931d6bc4.zip |
Merge branch 'topic/workq-update' into topic/misc
Diffstat (limited to 'drivers/staging/tidspbridge/include/dspbridge/dspdefs.h')
-rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/dspdefs.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h b/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h index 615363474810..0ae7d1646a1b 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h +++ b/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h @@ -162,6 +162,48 @@ typedef int(*fxn_brd_memwrite) (struct bridge_dev_context u32 mem_type); /* + * ======== bridge_brd_mem_map ======== + * Purpose: + * Map a MPU memory region to a DSP/IVA memory space + * Parameters: + * dev_ctxt: Handle to Bridge driver defined device info. + * ul_mpu_addr: MPU memory region start address. + * virt_addr: DSP/IVA memory region u8 address. + * ul_num_bytes: Number of bytes to map. + * map_attrs: Mapping attributes (e.g. endianness). + * Returns: + * 0: Success. + * -EPERM: Other, unspecified error. + * Requires: + * dev_ctxt != NULL; + * Ensures: + */ +typedef int(*fxn_brd_memmap) (struct bridge_dev_context + * dev_ctxt, u32 ul_mpu_addr, + u32 virt_addr, u32 ul_num_bytes, + u32 map_attr, + struct page **mapped_pages); + +/* + * ======== bridge_brd_mem_un_map ======== + * Purpose: + * UnMap an MPU memory region from DSP/IVA memory space + * Parameters: + * dev_ctxt: Handle to Bridge driver defined device info. + * virt_addr: DSP/IVA memory region u8 address. + * ul_num_bytes: Number of bytes to unmap. + * Returns: + * 0: Success. + * -EPERM: Other, unspecified error. + * Requires: + * dev_ctxt != NULL; + * Ensures: + */ +typedef int(*fxn_brd_memunmap) (struct bridge_dev_context + * dev_ctxt, + u32 virt_addr, u32 ul_num_bytes); + +/* * ======== bridge_brd_stop ======== * Purpose: * Bring board to the BRD_STOPPED state. @@ -951,6 +993,8 @@ struct bridge_drv_interface { fxn_brd_setstate pfn_brd_set_state; /* Sets the Board State */ fxn_brd_memcopy pfn_brd_mem_copy; /* Copies DSP Memory */ fxn_brd_memwrite pfn_brd_mem_write; /* Write DSP Memory w/o halt */ + fxn_brd_memmap pfn_brd_mem_map; /* Maps MPU mem to DSP mem */ + fxn_brd_memunmap pfn_brd_mem_un_map; /* Unmaps MPU mem to DSP mem */ fxn_chnl_create pfn_chnl_create; /* Create channel manager. */ fxn_chnl_destroy pfn_chnl_destroy; /* Destroy channel manager. */ fxn_chnl_open pfn_chnl_open; /* Create a new channel. */ |