cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

nouveau_bios.h (4606B)

      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