xref: /gfx-drm/usr/src/uts/common/drm/drm_sun_pci.h (revision 47dc10d7)
1 /*
2  * Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
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 (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21  * DEALINGS IN THE SOFTWARE.
22  */
23 
24 /*
25  * Copyright (c) 2012 Intel Corporation.  All rights reserved.
26  */
27 
28 #ifndef __DRM_SUN_PCI_H__
29 #define __DRM_SUN_PCI_H__
30 
31 #include <sys/sunddi.h>
32 #include "drm_linux.h"
33 #define PCI_CONFIG_REGION_NUMS 6
34 
35 struct pci_config_region {
36 	unsigned long start;
37 	unsigned long size;
38 };
39 
40 struct pci_dev {
41 	struct drm_device *dev;
42 	ddi_acc_handle_t pci_cfg_acc_handle;
43 
44 	uint16_t vendor;
45 	uint16_t device;
46 	struct pci_config_region regions[PCI_CONFIG_REGION_NUMS];
47 	int domain;
48 	int bus;
49 	int slot;
50 	int func;
51 	int irq;
52 
53 	ddi_iblock_cookie_t intr_block;
54 
55 	int msi_enabled;
56 	ddi_intr_handle_t *msi_handle;
57 	int msi_size;
58 	int msi_actual;
59 	uint_t msi_pri;
60 	int msi_flag;
61 };
62 
63 #define pci_resource_start(pdev, bar) ((pdev)->regions[(bar)].start)
64 #define pci_resource_len(pdev, bar) ((pdev)->regions[(bar)].size)
65 #define pci_resource_end(pdev, bar)                    \
66 	((pci_resource_len((pdev), (bar)) == 0 &&      \
67 	pci_resource_start((pdev), (bar)) == 0) ? 0 :  \
68 	(pci_resource_start((pdev), (bar)) +           \
69 	pci_resource_len((pdev), (bar)) - 1))
70 
71 extern uint8_t* pci_map_rom(struct pci_dev *pdev, size_t *size);
72 extern void pci_unmap_rom(struct pci_dev *pdev, uint8_t *base);
73 extern void pci_read_config_byte(struct pci_dev *dev, int where, u8 *val);
74 extern void pci_read_config_word(struct pci_dev *dev, int where, u16 *val);
75 extern void pci_read_config_dword(struct pci_dev *dev, int where, u32 *val);
76 extern void pci_write_config_byte(struct pci_dev *dev, int where, u8 val);
77 extern void pci_write_config_word(struct pci_dev *dev, int where, u16 val);
78 extern void pci_write_config_dword(struct pci_dev *dev, int where, u32 val);
79 
80 extern int pci_find_capability(struct pci_dev *pdev, int capid);
81 extern struct pci_dev * pci_dev_create(struct drm_device *dev);
82 extern void pci_dev_destroy(struct pci_dev *pdev);
83 
84 #endif /* __DRM_SUN_PCI_H__ */
85