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