1/*
2 * Copyright 2007-2008 Nouveau Project
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#ifndef __NOUVEAU_DISPBIOS_H__
25#define __NOUVEAU_DISPBIOS_H__
26
27#include <asm/byteorder.h>
28
29#define DCB_MAX_NUM_ENTRIES 16
30#define DCB_MAX_NUM_I2C_ENTRIES 16
31#define DCB_MAX_NUM_GPIO_ENTRIES 32
32#define DCB_MAX_NUM_CONNECTOR_ENTRIES 16
33
34#define DCB_LOC_ON_CHIP 0
35
36#define ROM16(x) le16_to_cpu(*(u16 *)&(x))
37#define ROM32(x) le32_to_cpu(*(u32 *)&(x))
38#define ROM48(x) ({ u8 *p = &(x); (u64)ROM16(p[4]) << 32 | ROM32(p[0]); })
39#define ROM64(x) le64_to_cpu(*(u64 *)&(x))
40#define ROMPTR(d,x) ({ \
41 struct nouveau_drm *drm = nouveau_drm((d)); \
42 ROM16(x) ? &drm->vbios.data[ROM16(x)] : NULL; \
43})
44
45struct bit_entry {
46 uint8_t id;
47 uint8_t version;
48 uint16_t length;
49 uint16_t offset;
50 uint8_t *data;
51};
52
53int bit_table(struct drm_device *, u8 id, struct bit_entry *);
54
55#include <subdev/bios/dcb.h>
56#include <subdev/bios/conn.h>
57
58struct dcb_table {
59 uint8_t version;
60 int entries;
61 struct dcb_output entry[DCB_MAX_NUM_ENTRIES];
62};
63
64enum nouveau_or {
65 DCB_OUTPUT_A = (1 << 0),
66 DCB_OUTPUT_B = (1 << 1),
67 DCB_OUTPUT_C = (1 << 2)
68};
69
70enum LVDS_script {
71 /* Order *does* matter here */
72 LVDS_INIT = 1,
73 LVDS_RESET,
74 LVDS_BACKLIGHT_ON,
75 LVDS_BACKLIGHT_OFF,
76 LVDS_PANEL_ON,
77 LVDS_PANEL_OFF
78};
79
80struct nvbios {
81 struct drm_device *dev;
82 enum {
83 NVBIOS_BMP,
84 NVBIOS_BIT
85 } type;
86 uint16_t offset;
87 uint32_t length;
88 uint8_t *data;
89
90 uint8_t chip_version;
91
92 uint32_t dactestval;
93 uint32_t tvdactestval;
94 uint8_t digital_min_front_porch;
95 bool fp_no_ddc;
96
97 spinlock_t lock;
98
99 bool execute;
100
101 uint8_t major_version;
102 uint8_t feature_byte;
103 bool is_mobile;
104
105 uint32_t fmaxvco, fminvco;
106
107 bool old_style_init;
108 uint16_t init_script_tbls_ptr;
109 uint16_t extra_init_script_tbl_ptr;
110
111 uint16_t ram_restrict_tbl_ptr;
112 uint8_t ram_restrict_group_count;
113
114 struct dcb_table dcb;
115
116 struct {
117 int crtchead;
118 } state;
119
120 struct {
121 uint16_t fptablepointer; /* also used by tmds */
122 uint16_t fpxlatetableptr;
123 int xlatwidth;
124 uint16_t lvdsmanufacturerpointer;
125 uint16_t fpxlatemanufacturertableptr;
126 uint16_t mode_ptr;
127 uint16_t xlated_entry;
128 bool power_off_for_reset;
129 bool reset_after_pclk_change;
130 bool dual_link;
131 bool link_c_increment;
132 bool if_is_24bit;
133 int duallink_transition_clk;
134 uint8_t strapless_is_24bit;
135 uint8_t *edid;
136
137 /* will need resetting after suspend */
138 int last_script_invoc;
139 bool lvds_init_run;
140 } fp;
141
142 struct {
143 uint16_t output0_script_ptr;
144 uint16_t output1_script_ptr;
145 } tmds;
146
147 struct {
148 uint16_t mem_init_tbl_ptr;
149 uint16_t sdr_seq_tbl_ptr;
150 uint16_t ddr_seq_tbl_ptr;
151
152 struct {
153 uint8_t crt, tv, panel;
154 } i2c_indices;
155
156 uint16_t lvds_single_a_script_ptr;
157 } legacy;
158};
159
160void *olddcb_table(struct drm_device *);
161void *olddcb_outp(struct drm_device *, u8 idx);
162int olddcb_outp_foreach(struct drm_device *, void *data,
163 int (*)(struct drm_device *, void *, int idx, u8 *outp));
164u8 *olddcb_conntab(struct drm_device *);
165u8 *olddcb_conn(struct drm_device *, u8 idx);
166
167int nouveau_bios_init(struct drm_device *);
168void nouveau_bios_takedown(struct drm_device *dev);
169int nouveau_run_vbios_init(struct drm_device *);
170struct dcb_connector_table_entry *
171nouveau_bios_connector_entry(struct drm_device *, int index);
172bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
173uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
174int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
175 bool *dl, bool *if_is_24bit);
176int run_tmds_table(struct drm_device *, struct dcb_output *,
177 int head, int pxclk);
178int call_lvds_script(struct drm_device *, struct dcb_output *, int head,
179 enum LVDS_script, int pxclk);
180
181#endif
182