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-rw-r--r--drivers/gpu/drm/amd/include/cgs_linux.h119
1 files changed, 0 insertions, 119 deletions
diff --git a/drivers/gpu/drm/amd/include/cgs_linux.h b/drivers/gpu/drm/amd/include/cgs_linux.h
deleted file mode 100644
index bc7446c1d22e..000000000000
--- a/drivers/gpu/drm/amd/include/cgs_linux.h
+++ /dev/null
@@ -1,119 +0,0 @@
1/*
2 * Copyright 2015 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 *
23 */
24#ifndef _CGS_LINUX_H
25#define _CGS_LINUX_H
26
27#include "cgs_common.h"
28
29/**
30 * cgs_irq_source_set_func() - Callback for enabling/disabling interrupt sources
31 * @private_data: private data provided to cgs_add_irq_source
32 * @src_id: interrupt source ID
33 * @type: interrupt type
34 * @enabled: 0 = disable source, non-0 = enable source
35 *
36 * Return: 0 on success, -errno otherwise
37 */
38typedef int (*cgs_irq_source_set_func_t)(void *private_data,
39 unsigned src_id, unsigned type,
40 int enabled);
41
42/**
43 * cgs_irq_handler_func() - Interrupt handler callback
44 * @private_data: private data provided to cgs_add_irq_source
45 * @src_id: interrupt source ID
46 * @iv_entry: pointer to raw ih ring entry
47 *
48 * This callback runs in interrupt context.
49 *
50 * Return: 0 on success, -errno otherwise
51 */
52typedef int (*cgs_irq_handler_func_t)(void *private_data,
53 unsigned src_id, const uint32_t *iv_entry);
54
55/**
56 * cgs_add_irq_source() - Add an IRQ source
57 * @cgs_device: opaque device handle
58 * @src_id: interrupt source ID
59 * @num_types: number of interrupt types that can be independently enabled
60 * @set: callback function to enable/disable an interrupt type
61 * @handler: interrupt handler callback
62 * @private_data: private data to pass to callback functions
63 *
64 * The same IRQ source can be added only once. Adding an IRQ source
65 * indicates ownership of that IRQ source and all its IRQ types.
66 *
67 * Return: 0 on success, -errno otherwise
68 */
69typedef int (*cgs_add_irq_source_t)(void *cgs_device, unsigned client_id,
70 unsigned src_id,
71 unsigned num_types,
72 cgs_irq_source_set_func_t set,
73 cgs_irq_handler_func_t handler,
74 void *private_data);
75
76/**
77 * cgs_irq_get() - Request enabling an IRQ source and type
78 * @cgs_device: opaque device handle
79 * @src_id: interrupt source ID
80 * @type: interrupt type
81 *
82 * cgs_irq_get and cgs_irq_put calls must be balanced. They count
83 * "references" to IRQ sources.
84 *
85 * Return: 0 on success, -errno otherwise
86 */
87typedef int (*cgs_irq_get_t)(void *cgs_device, unsigned client_id, unsigned src_id, unsigned type);
88
89/**
90 * cgs_irq_put() - Indicate IRQ source is no longer needed
91 * @cgs_device: opaque device handle
92 * @src_id: interrupt source ID
93 * @type: interrupt type
94 *
95 * cgs_irq_get and cgs_irq_put calls must be balanced. They count
96 * "references" to IRQ sources. Even after cgs_irq_put is called, the
97 * IRQ handler may still be called if there are more refecences to
98 * the IRQ source.
99 *
100 * Return: 0 on success, -errno otherwise
101 */
102typedef int (*cgs_irq_put_t)(void *cgs_device, unsigned client_id, unsigned src_id, unsigned type);
103
104struct cgs_os_ops {
105 /* IRQ handling */
106 cgs_add_irq_source_t add_irq_source;
107 cgs_irq_get_t irq_get;
108 cgs_irq_put_t irq_put;
109};
110
111#define cgs_add_irq_source(dev,client_id,src_id,num_types,set,handler,private_data) \
112 CGS_OS_CALL(add_irq_source,dev,client_id,src_id,num_types,set,handler, \
113 private_data)
114#define cgs_irq_get(dev,client_id,src_id,type) \
115 CGS_OS_CALL(irq_get,dev,client_id,src_id,type)
116#define cgs_irq_put(dev,client_id,src_id,type) \
117 CGS_OS_CALL(irq_put,dev,client_id,src_id,type)
118
119#endif /* _CGS_LINUX_H */