nouveau_bios.h revision 1.4 
1/*	$NetBSD: nouveau_bios.h,v 1.4 2020/02/14 14:34:58 maya Exp $	*/
2
3/*
4 * Copyright 2007-2008 Nouveau Project
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
24 */
25
26#ifndef __NOUVEAU_DISPBIOS_H__
27#define __NOUVEAU_DISPBIOS_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