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