Lines Matching +full:bcm2835 +full:- +full:mbox

1 /* SPDX-License-Identifier: GPL-2.0+ */
12  * The BCM2835 SoC contains (at least) two CPUs; the VideoCore (a/k/a "GPU")
18  * The mailbox hardware supports passing 32-bit values back and forth.
26  * The property mailbox channel passes messages that contain the (16-byte
28  * the VC for processing, is modified in-place by the VC, and the address then
57 /* Lower 4-bits are channel ID */
79 		(_m_)->hdr.buf_size = sizeof(*(_m_)); \
80 		(_m_)->hdr.code = 0; \
81 		(_m_)->end_tag = 0; \
95 		(_t_)->tag_hdr.tag = BCM2835_MBOX_TAG_##_id_; \
96 		(_t_)->tag_hdr.val_buf_size = sizeof((_t_)->body); \
97 		(_t_)->tag_hdr.val_len = sizeof((_t_)->body.req); \
101 		(_t_)->tag_hdr.tag = BCM2835_MBOX_TAG_##_id_; \
102 		(_t_)->tag_hdr.val_buf_size = sizeof((_t_)->body); \
103 		(_t_)->tag_hdr.val_len = 0; \
113  * Clients of the mbox API are expected to define their own overall message
500  * Pass a complete property-style buffer to the VC, and wait until it has