drivers/gpu/drm/nouveau/nouveau_bios.h

   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
  45 struct bit_entry {
  46         uint8_t  id;
  47         uint8_t  version;
  48         uint16_t length;
  49         uint16_t offset;
  50         uint8_t *data;
  51 };
  52
  53 int bit_table(struct drm_device *, u8 id, struct bit_entry *);
  54
  55 #include <subdev/bios/dcb.h>
  56 #include <subdev/bios/conn.h>
  57
  58 struct dcb_table {
  59         uint8_t version;
  60         int entries;
  61         struct dcb_output entry[DCB_MAX_NUM_ENTRIES];
  62 };
  63
  64 enum nouveau_or {
  65         DCB_OUTPUT_A = (1 << 0),
  66         DCB_OUTPUT_B = (1 << 1),
  67         DCB_OUTPUT_C = (1 << 2)
  68 };
  69
  70 enum 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
  80 struct 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
 170 void *olddcb_table(struct drm_device *);
 171 void *olddcb_outp(struct drm_device *, u8 idx);
 172 int olddcb_outp_foreach(struct drm_device *, void *data,
 173                      int (*)(struct drm_device *, void *, int idx, u8 *outp));
 174 u8 *olddcb_conntab(struct drm_device *);
 175 u8 *olddcb_conn(struct drm_device *, u8 idx);
 176
 177 int nouveau_bios_init(struct drm_device *);
 178 void nouveau_bios_takedown(struct drm_device *dev);
 179 int nouveau_run_vbios_init(struct drm_device *);
 180 struct dcb_connector_table_entry *
 181 nouveau_bios_connector_entry(struct drm_device *, int index);
 182 bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
 183 uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
 184 int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
 185                                          bool *dl, bool *if_is_24bit);
 186 int run_tmds_table(struct drm_device *, struct dcb_output *,
 187                           int head, int pxclk);
 188 int call_lvds_script(struct drm_device *, struct dcb_output *, int head,
 189                             enum LVDS_script, int pxclk);
 190
 191 #endif