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) get_unaligned_le16(&(x))
 35#define ROM32(x) get_unaligned_le32(&(x))
 36#define ROMPTR(d,x) ({            \
 37	struct nouveau_drm *drm = nouveau_drm((d)); \
 38	ROM16(x) ? &drm->vbios.data[ROM16(x)] : NULL; \
 39})
 40
 41struct bit_entry {
 42	uint8_t  id;
 43	uint8_t  version;
 44	uint16_t length;
 45	uint16_t offset;
 46	uint8_t *data;
 47};
 48
 49int bit_table(struct drm_device *, u8 id, struct bit_entry *);
 50
 51#include <subdev/bios/dcb.h>
 52#include <subdev/bios/conn.h>
 53
 54struct dcb_table {
 55	uint8_t version;
 56	int entries;
 57	struct dcb_output entry[DCB_MAX_NUM_ENTRIES];
 58};
 59
 60enum nouveau_or {
 61	DCB_OUTPUT_A = (1 << 0),
 62	DCB_OUTPUT_B = (1 << 1),
 63	DCB_OUTPUT_C = (1 << 2)
 64};
 65
 66enum LVDS_script {
 67	/* Order *does* matter here */
 68	LVDS_INIT = 1,
 69	LVDS_RESET,
 70	LVDS_BACKLIGHT_ON,
 71	LVDS_BACKLIGHT_OFF,
 72	LVDS_PANEL_ON,
 73	LVDS_PANEL_OFF
 74};
 75
 76struct nvbios {
 77	struct drm_device *dev;
 78	enum {
 79		NVBIOS_BMP,
 80		NVBIOS_BIT
 81	} type;
 82	uint16_t offset;
 83	uint32_t length;
 84	uint8_t *data;
 85
 86	uint8_t chip_version;
 87
 88	uint32_t dactestval;
 89	uint32_t tvdactestval;
 90	uint8_t digital_min_front_porch;
 91	bool fp_no_ddc;
 92
 93	spinlock_t lock;
 94
 95	bool execute;
 96
 97	uint8_t major_version;
 98	uint8_t feature_byte;
 99	bool is_mobile;
100
101	uint32_t fmaxvco, fminvco;
102
103	bool old_style_init;
104	uint16_t init_script_tbls_ptr;
105	uint16_t extra_init_script_tbl_ptr;
106
107	uint16_t ram_restrict_tbl_ptr;
108	uint8_t ram_restrict_group_count;
109
110	struct dcb_table dcb;
111
112	struct {
113		int crtchead;
114	} state;
115
116	struct {
117		uint16_t fptablepointer;	/* also used by tmds */
118		uint16_t fpxlatetableptr;
119		int xlatwidth;
120		uint16_t lvdsmanufacturerpointer;
121		uint16_t fpxlatemanufacturertableptr;
122		uint16_t mode_ptr;
123		uint16_t xlated_entry;
124		bool power_off_for_reset;
125		bool reset_after_pclk_change;
126		bool dual_link;
127		bool link_c_increment;
128		bool if_is_24bit;
129		int duallink_transition_clk;
130		uint8_t strapless_is_24bit;
131		uint8_t *edid;
132
133		/* will need resetting after suspend */
134		int last_script_invoc;
135		bool lvds_init_run;
136	} fp;
137
138	struct {
139		uint16_t output0_script_ptr;
140		uint16_t output1_script_ptr;
141	} tmds;
142
143	struct {
144		uint16_t mem_init_tbl_ptr;
145		uint16_t sdr_seq_tbl_ptr;
146		uint16_t ddr_seq_tbl_ptr;
147
148		struct {
149			uint8_t crt, tv, panel;
150		} i2c_indices;
151
152		uint16_t lvds_single_a_script_ptr;
153	} legacy;
154};
155
156void *olddcb_table(struct drm_device *);
157void *olddcb_outp(struct drm_device *, u8 idx);
158int olddcb_outp_foreach(struct drm_device *, void *data,
159		     int (*)(struct drm_device *, void *, int idx, u8 *outp));
160u8 *olddcb_conntab(struct drm_device *);
161u8 *olddcb_conn(struct drm_device *, u8 idx);
162
163int nouveau_bios_init(struct drm_device *);
164void nouveau_bios_takedown(struct drm_device *dev);
165int nouveau_run_vbios_init(struct drm_device *);
166struct dcb_connector_table_entry *
167nouveau_bios_connector_entry(struct drm_device *, int index);
168bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
169uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
170int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
171					 bool *dl, bool *if_is_24bit);
172int run_tmds_table(struct drm_device *, struct dcb_output *,
173			  int head, int pxclk);
174int call_lvds_script(struct drm_device *, struct dcb_output *, int head,
175			    enum LVDS_script, int pxclk);
176
177#endif