| Soren Brinkmann | 76fcae3 | 2016-03-06 20:16:27 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * Redistributions of source code must retain the above copyright notice, this |
| 8 | * list of conditions and the following disclaimer. |
| 9 | * |
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * Neither the name of ARM nor the names of its contributors may be used |
| 15 | * to endorse or promote products derived from this software without specific |
| 16 | * prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | /* |
| 32 | * Contains definitions of commonly used macros and data types needed |
| 33 | * for PU Power Management. This file should be common for all PU's. |
| 34 | */ |
| 35 | |
| 36 | #ifndef _PM_COMMON_H_ |
| 37 | #define _PM_COMMON_H_ |
| 38 | |
| 39 | #include <debug.h> |
| 40 | #include <stdint.h> |
| 41 | #include "pm_defs.h" |
| 42 | |
| 43 | #define PAYLOAD_ARG_CNT 6U |
| 44 | #define PAYLOAD_ARG_SIZE 4U /* size in bytes */ |
| 45 | |
| 46 | /** |
| 47 | * pm_ipi - struct for capturing IPI-channel specific info |
| 48 | * @mask mask for enabling/disabling and triggering the IPI |
| 49 | * @base base address for IPI |
| 50 | * @buffer_base base address for payload buffer |
| 51 | */ |
| 52 | struct pm_ipi { |
| 53 | const unsigned int mask; |
| 54 | const uintptr_t base; |
| 55 | const uintptr_t buffer_base; |
| 56 | }; |
| 57 | |
| 58 | /** |
| 59 | * pm_proc - struct for capturing processor related info |
| 60 | * @node_id node-ID of the processor |
| 61 | * @pwrdn_mask cpu-specific mask to be used for power control register |
| 62 | * @ipi pointer to IPI channel structure |
| 63 | * (in APU all processors share one IPI channel) |
| 64 | */ |
| 65 | struct pm_proc { |
| 66 | const enum pm_node_id node_id; |
| 67 | const unsigned int pwrdn_mask; |
| 68 | const struct pm_ipi *ipi; |
| 69 | }; |
| 70 | |
| 71 | const struct pm_proc *pm_get_proc(unsigned int cpuid); |
| 72 | const struct pm_proc *pm_get_proc_by_node(enum pm_node_id nid); |
| 73 | |
| 74 | #endif /* _PM_COMMON_H_ */ |