1 /*
2 * Copyright © 2015 Intel Corporation
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 FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24 #ifndef __INTEL_REG_SPEC_H__
25 #define __INTEL_REG_SPEC_H__
26
27 enum port_addr {
28 PORT_NONE = 0,
29 PORT_MMIO = -1,
30 PORT_PORTIO_VGA = -2, /* see vga reg read/write */
31 PORT_MMIO_VGA = -3, /* see vga reg read/write */
32
33 /* vlv */
34 PORT_BUNIT = 0x03,
35 PORT_PUNIT = 0x04,
36 PORT_NC = 0x11,
37 PORT_DPIO = 0x12,
38 PORT_GPIO_NC = 0x13,
39 PORT_CCK = 0x14,
40 PORT_CCU = 0xa9,
41 PORT_DPIO2 = 0x1a,
42 PORT_FLISDSI = 0x1b,
43
44 /* threshold for interpreting port as mmio offset */
45 PORT_MAX = 0xff,
46 };
47
48 struct port_desc {
49 enum port_addr port;
50 const char *name;
51 uint32_t stride;
52 };
53
54 struct reg {
55 struct port_desc port_desc;
56 char *engine;
57 uint32_t mmio_offset;
58 uint32_t addr;
59 char *name;
60 };
61
62 #ifndef ARRAY_SIZE
63 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
64 #endif
65
recalloc(void * ptr,size_t nmemb,size_t size)66 static inline void *recalloc(void *ptr, size_t nmemb, size_t size)
67 {
68 return realloc(ptr, nmemb * size);
69 }
70
71 int parse_port_desc(struct reg *reg, const char *s);
72 ssize_t intel_reg_spec_builtin(struct reg **regs, uint32_t devid);
73 ssize_t intel_reg_spec_file(struct reg **regs, const char *filename);
74 void intel_reg_spec_free(struct reg *regs, size_t n);
75 int intel_reg_spec_decode(char *buf, size_t bufsize, const struct reg *reg,
76 uint32_t val, uint32_t devid);
77 void intel_reg_spec_print_ports(void);
78
79 #endif /* __INTEL_REG_SPEC_H__ */
80