LXR linux/drivers/gpu/drm/nouveau/nouveau

   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#include "nvreg.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        uint16_t macro_index_tbl_ptr;
 111        uint16_t macro_tbl_ptr;
 112        uint16_t condition_tbl_ptr;
 113        uint16_t io_condition_tbl_ptr;
 114        uint16_t io_flag_condition_tbl_ptr;
 115        uint16_t init_function_tbl_ptr;
 116
 117        uint16_t pll_limit_tbl_ptr;
 118        uint16_t ram_restrict_tbl_ptr;
 119        uint8_t ram_restrict_group_count;
 120
 121        uint16_t some_script_ptr; /* BIT I + 14 */
 122        uint16_t init96_tbl_ptr; /* BIT I + 16 */
 123
 124        struct dcb_table dcb;
 125
 126        struct {
 127                int crtchead;
 128        } state;
 129
 130        struct {
 131                uint16_t fptablepointer;        /* also used by tmds */
 132                uint16_t fpxlatetableptr;
 133                int xlatwidth;
 134                uint16_t lvdsmanufacturerpointer;
 135                uint16_t fpxlatemanufacturertableptr;
 136                uint16_t mode_ptr;
 137                uint16_t xlated_entry;
 138                bool power_off_for_reset;
 139                bool reset_after_pclk_change;
 140                bool dual_link;
 141                bool link_c_increment;
 142                bool if_is_24bit;
 143                int duallink_transition_clk;
 144                uint8_t strapless_is_24bit;
 145                uint8_t *edid;
 146
 147                /* will need resetting after suspend */
 148                int last_script_invoc;
 149                bool lvds_init_run;
 150        } fp;
 151
 152        struct {
 153                uint16_t output0_script_ptr;
 154                uint16_t output1_script_ptr;
 155        } tmds;
 156
 157        struct {
 158                uint16_t mem_init_tbl_ptr;
 159                uint16_t sdr_seq_tbl_ptr;
 160                uint16_t ddr_seq_tbl_ptr;
 161
 162                struct {
 163                        uint8_t crt, tv, panel;
 164                } i2c_indices;
 165
 166                uint16_t lvds_single_a_script_ptr;
 167        } legacy;
 168};
 169
 170void *olddcb_table(struct drm_device *);
 171void *olddcb_outp(struct drm_device *, u8 idx);
 172int olddcb_outp_foreach(struct drm_device *, void *data,
 173                     int (*)(struct drm_device *, void *, int idx, u8 *outp));
 174u8 *olddcb_conntab(struct drm_device *);
 175u8 *olddcb_conn(struct drm_device *, u8 idx);
 176
 177int nouveau_bios_init(struct drm_device *);
 178void nouveau_bios_takedown(struct drm_device *dev);
 179int nouveau_run_vbios_init(struct drm_device *);
 180struct dcb_connector_table_entry *
 181nouveau_bios_connector_entry(struct drm_device *, int index);
 182bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
 183uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
 184int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
 185                                         bool *dl, bool *if_is_24bit);
 186int run_tmds_table(struct drm_device *, struct dcb_output *,
 187                          int head, int pxclk);
 188int call_lvds_script(struct drm_device *, struct dcb_output *, int head,
 189                            enum LVDS_script, int pxclk);
 190
 191#endif
 192