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nouveau_bios.h revision 1.2.32.1
      1 /*	$NetBSD: nouveau_bios.h,v 1.2.32.1 2019/06/10 22:08:06 christos 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 #include <asm/byteorder.h>
     30 
     31 #define DCB_MAX_NUM_ENTRIES 16
     32 #define DCB_MAX_NUM_I2C_ENTRIES 16
     33 #define DCB_MAX_NUM_GPIO_ENTRIES 32
     34 #define DCB_MAX_NUM_CONNECTOR_ENTRIES 16
     35 
     36 #define DCB_LOC_ON_CHIP 0
     37 
     38 #define ROM16(x) le16_to_cpu(*(u16 *)&(x))
     39 #define ROM32(x) le32_to_cpu(*(u32 *)&(x))
     40 #define ROM48(x) ({ u8 *p = &(x); (u64)ROM16(p[4]) << 32 | ROM32(p[0]); })
     41 #define ROM64(x) le64_to_cpu(*(u64 *)&(x))
     42 #define ROMPTR(d,x) ({            \
     43 	struct nouveau_drm *drm = nouveau_drm((d)); \
     44 	ROM16(x) ? &drm->vbios.data[ROM16(x)] : NULL; \
     45 })
     46 
     47 struct bit_entry {
     48 	uint8_t  id;
     49 	uint8_t  version;
     50 	uint16_t length;
     51 	uint16_t offset;
     52 	uint8_t *data;
     53 };
     54 
     55 int bit_table(struct drm_device *, u8 id, struct bit_entry *);
     56 
     57 #include <subdev/bios/dcb.h>
     58 #include <subdev/bios/conn.h>
     59 
     60 struct dcb_table {
     61 	uint8_t version;
     62 	int entries;
     63 	struct dcb_output entry[DCB_MAX_NUM_ENTRIES];
     64 };
     65 
     66 enum nouveau_or {
     67 	DCB_OUTPUT_A = (1 << 0),
     68 	DCB_OUTPUT_B = (1 << 1),
     69 	DCB_OUTPUT_C = (1 << 2)
     70 };
     71 
     72 enum LVDS_script {
     73 	/* Order *does* matter here */
     74 	LVDS_INIT = 1,
     75 	LVDS_RESET,
     76 	LVDS_BACKLIGHT_ON,
     77 	LVDS_BACKLIGHT_OFF,
     78 	LVDS_PANEL_ON,
     79 	LVDS_PANEL_OFF
     80 };
     81 
     82 struct nvbios {
     83 	struct drm_device *dev;
     84 	enum {
     85 		NVBIOS_BMP,
     86 		NVBIOS_BIT
     87 	} type;
     88 	uint16_t offset;
     89 	uint32_t length;
     90 	uint8_t *data;
     91 
     92 	uint8_t chip_version;
     93 
     94 	uint32_t dactestval;
     95 	uint32_t tvdactestval;
     96 	uint8_t digital_min_front_porch;
     97 	bool fp_no_ddc;
     98 
     99 	spinlock_t lock;
    100 
    101 	bool execute;
    102 
    103 	uint8_t major_version;
    104 	uint8_t feature_byte;
    105 	bool is_mobile;
    106 
    107 	uint32_t fmaxvco, fminvco;
    108 
    109 	bool old_style_init;
    110 	uint16_t init_script_tbls_ptr;
    111 	uint16_t extra_init_script_tbl_ptr;
    112 
    113 	uint16_t ram_restrict_tbl_ptr;
    114 	uint8_t ram_restrict_group_count;
    115 
    116 	struct dcb_table dcb;
    117 
    118 	struct {
    119 		int crtchead;
    120 	} state;
    121 
    122 	struct {
    123 		uint16_t fptablepointer;	/* also used by tmds */
    124 		uint16_t fpxlatetableptr;
    125 		int xlatwidth;
    126 		uint16_t lvdsmanufacturerpointer;
    127 		uint16_t fpxlatemanufacturertableptr;
    128 		uint16_t mode_ptr;
    129 		uint16_t xlated_entry;
    130 		bool power_off_for_reset;
    131 		bool reset_after_pclk_change;
    132 		bool dual_link;
    133 		bool link_c_increment;
    134 		bool if_is_24bit;
    135 		int duallink_transition_clk;
    136 		uint8_t strapless_is_24bit;
    137 		uint8_t *edid;
    138 
    139 		/* will need resetting after suspend */
    140 		int last_script_invoc;
    141 		bool lvds_init_run;
    142 	} fp;
    143 
    144 	struct {
    145 		uint16_t output0_script_ptr;
    146 		uint16_t output1_script_ptr;
    147 	} tmds;
    148 
    149 	struct {
    150 		uint16_t mem_init_tbl_ptr;
    151 		uint16_t sdr_seq_tbl_ptr;
    152 		uint16_t ddr_seq_tbl_ptr;
    153 
    154 		struct {
    155 			uint8_t crt, tv, panel;
    156 		} i2c_indices;
    157 
    158 		uint16_t lvds_single_a_script_ptr;
    159 	} legacy;
    160 };
    161 
    162 void *olddcb_table(struct drm_device *);
    163 void *olddcb_outp(struct drm_device *, u8 idx);
    164 int olddcb_outp_foreach(struct drm_device *, void *data,
    165 		     int (*)(struct drm_device *, void *, int idx, u8 *outp));
    166 u8 *olddcb_conntab(struct drm_device *);
    167 u8 *olddcb_conn(struct drm_device *, u8 idx);
    168 
    169 int nouveau_bios_init(struct drm_device *);
    170 void nouveau_bios_takedown(struct drm_device *dev);
    171 int nouveau_run_vbios_init(struct drm_device *);
    172 struct dcb_connector_table_entry *
    173 nouveau_bios_connector_entry(struct drm_device *, int index);
    174 bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
    175 uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
    176 int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
    177 					 bool *dl, bool *if_is_24bit);
    178 int run_tmds_table(struct drm_device *, struct dcb_output *,
    179 			  int head, int pxclk);
    180 int call_lvds_script(struct drm_device *, struct dcb_output *, int head,
    181 			    enum LVDS_script, int pxclk);
    182 
    183 #endif
    184