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_BIOS_H__
  25 #define __NOUVEAU_BIOS_H__
  26
  27 #include "nvreg.h"
  28 #include "nouveau_i2c.h"
  29
  30 #define DCB_MAX_NUM_ENTRIES 16
  31 #define DCB_MAX_NUM_I2C_ENTRIES 16
  32 #define DCB_MAX_NUM_GPIO_ENTRIES 32
  33 #define DCB_MAX_NUM_CONNECTOR_ENTRIES 16
  34
  35 #define DCB_LOC_ON_CHIP 0
  36
  37 struct dcb_entry {
  38         int index;      /* may not be raw dcb index if merging has happened */
  39         uint8_t type;
  40         uint8_t i2c_index;
  41         uint8_t heads;
  42         uint8_t connector;
  43         uint8_t bus;
  44         uint8_t location;
  45         uint8_t or;
  46         bool duallink_possible;
  47         union {
  48                 struct sor_conf {
  49                         int link;
  50                 } sorconf;
  51                 struct {
  52                         int maxfreq;
  53                 } crtconf;
  54                 struct {
  55                         struct sor_conf sor;
  56                         bool use_straps_for_mode;
  57                         bool use_power_scripts;
  58                 } lvdsconf;
  59                 struct {
  60                         bool has_component_output;
  61                 } tvconf;
  62                 struct {
  63                         struct sor_conf sor;
  64                         int link_nr;
  65                         int link_bw;
  66                 } dpconf;
  67                 struct {
  68                         struct sor_conf sor;
  69                 } tmdsconf;
  70         };
  71         bool i2c_upper_default;
  72 };
  73
  74 struct dcb_i2c_entry {
  75         uint8_t port_type;
  76         uint8_t read, write;
  77         struct nouveau_i2c_chan *chan;
  78 };
  79
  80 struct parsed_dcb {
  81         int entries;
  82         struct dcb_entry entry[DCB_MAX_NUM_ENTRIES];
  83         struct dcb_i2c_entry i2c[DCB_MAX_NUM_I2C_ENTRIES];
  84 };
  85
  86 enum dcb_gpio_tag {
  87         DCB_GPIO_TVDAC0 = 0xc,
  88         DCB_GPIO_TVDAC1 = 0x2d,
  89 };
  90
  91 struct dcb_gpio_entry {
  92         enum dcb_gpio_tag tag;
  93         int line;
  94         bool invert;
  95 };
  96
  97 struct parsed_dcb_gpio {
  98         int entries;
  99         struct dcb_gpio_entry entry[DCB_MAX_NUM_GPIO_ENTRIES];
 100 };
 101
 102 struct dcb_connector_table_entry {
 103         uint32_t entry;
 104         uint8_t type;
 105         uint8_t index;
 106         uint8_t gpio_tag;
 107 };
 108
 109 struct dcb_connector_table {
 110         int entries;
 111         struct dcb_connector_table_entry entry[DCB_MAX_NUM_CONNECTOR_ENTRIES];
 112 };
 113
 114 struct bios_parsed_dcb {
 115         uint8_t version;
 116
 117         struct parsed_dcb dcb;
 118
 119         uint8_t *i2c_table;
 120         uint8_t i2c_default_indices;
 121
 122         uint16_t gpio_table_ptr;
 123         struct parsed_dcb_gpio gpio;
 124         uint16_t connector_table_ptr;
 125         struct dcb_connector_table connector;
 126 };
 127
 128 enum nouveau_encoder_type {
 129         OUTPUT_ANALOG = 0,
 130         OUTPUT_TV = 1,
 131         OUTPUT_TMDS = 2,
 132         OUTPUT_LVDS = 3,
 133         OUTPUT_DP = 6,
 134         OUTPUT_ANY = -1
 135 };
 136
 137 enum nouveau_or {
 138         OUTPUT_A = (1 << 0),
 139         OUTPUT_B = (1 << 1),
 140         OUTPUT_C = (1 << 2)
 141 };
 142
 143 enum LVDS_script {
 144         /* Order *does* matter here */
 145         LVDS_INIT = 1,
 146         LVDS_RESET,
 147         LVDS_BACKLIGHT_ON,
 148         LVDS_BACKLIGHT_OFF,
 149         LVDS_PANEL_ON,
 150         LVDS_PANEL_OFF
 151 };
 152
 153 /* changing these requires matching changes to reg tables in nv_get_clock */
 154 #define MAX_PLL_TYPES   4
 155 enum pll_types {
 156         NVPLL,
 157         MPLL,
 158         VPLL1,
 159         VPLL2
 160 };
 161
 162 struct pll_lims {
 163         struct {
 164                 int minfreq;
 165                 int maxfreq;
 166                 int min_inputfreq;
 167                 int max_inputfreq;
 168
 169                 uint8_t min_m;
 170                 uint8_t max_m;
 171                 uint8_t min_n;
 172                 uint8_t max_n;
 173         } vco1, vco2;
 174
 175         uint8_t max_log2p;
 176         /*
 177          * for most pre nv50 cards setting a log2P of 7 (the common max_log2p
 178          * value) is no different to 6 (at least for vplls) so allowing the MNP
 179          * calc to use 7 causes the generated clock to be out by a factor of 2.
 180          * however, max_log2p cannot be fixed-up during parsing as the
 181          * unmodified max_log2p value is still needed for setting mplls, hence
 182          * an additional max_usable_log2p member
 183          */
 184         uint8_t max_usable_log2p;
 185         uint8_t log2p_bias;
 186
 187         uint8_t min_p;
 188         uint8_t max_p;
 189
 190         int refclk;
 191 };
 192
 193 struct nouveau_bios_info {
 194         struct parsed_dcb *dcb;
 195
 196         uint8_t chip_version;
 197
 198         uint32_t dactestval;
 199         uint32_t tvdactestval;
 200         uint8_t digital_min_front_porch;
 201         bool fp_no_ddc;
 202 };
 203
 204 struct nvbios {
 205         struct drm_device *dev;
 206         struct nouveau_bios_info pub;
 207
 208         uint8_t data[NV_PROM_SIZE];
 209         unsigned int length;
 210         bool execute;
 211
 212         uint8_t major_version;
 213         uint8_t feature_byte;
 214         bool is_mobile;
 215
 216         uint32_t fmaxvco, fminvco;
 217
 218         bool old_style_init;
 219         uint16_t init_script_tbls_ptr;
 220         uint16_t extra_init_script_tbl_ptr;
 221         uint16_t macro_index_tbl_ptr;
 222         uint16_t macro_tbl_ptr;
 223         uint16_t condition_tbl_ptr;
 224         uint16_t io_condition_tbl_ptr;
 225         uint16_t io_flag_condition_tbl_ptr;
 226         uint16_t init_function_tbl_ptr;
 227
 228         uint16_t pll_limit_tbl_ptr;
 229         uint16_t ram_restrict_tbl_ptr;
 230         uint8_t ram_restrict_group_count;
 231
 232         uint16_t some_script_ptr; /* BIT I + 14 */
 233         uint16_t init96_tbl_ptr; /* BIT I + 16 */
 234
 235         struct bios_parsed_dcb bdcb;
 236
 237         struct {
 238                 int crtchead;
 239                 /* these need remembering across suspend */
 240                 uint32_t saved_nv_pfb_cfg0;
 241         } state;
 242
 243         struct {
 244                 struct dcb_entry *output;
 245                 uint16_t script_table_ptr;
 246                 uint16_t dp_table_ptr;
 247         } display;
 248
 249         struct {
 250                 uint16_t fptablepointer;        /* also used by tmds */
 251                 uint16_t fpxlatetableptr;
 252                 int xlatwidth;
 253                 uint16_t lvdsmanufacturerpointer;
 254                 uint16_t fpxlatemanufacturertableptr;
 255                 uint16_t mode_ptr;
 256                 uint16_t xlated_entry;
 257                 bool power_off_for_reset;
 258                 bool reset_after_pclk_change;
 259                 bool dual_link;
 260                 bool link_c_increment;
 261                 bool BITbit1;
 262                 bool if_is_24bit;
 263                 int duallink_transition_clk;
 264                 uint8_t strapless_is_24bit;
 265                 uint8_t *edid;
 266
 267                 /* will need resetting after suspend */
 268                 int last_script_invoc;
 269                 bool lvds_init_run;
 270         } fp;
 271
 272         struct {
 273                 uint16_t output0_script_ptr;
 274                 uint16_t output1_script_ptr;
 275         } tmds;
 276
 277         struct {
 278                 uint16_t mem_init_tbl_ptr;
 279                 uint16_t sdr_seq_tbl_ptr;
 280                 uint16_t ddr_seq_tbl_ptr;
 281
 282                 struct {
 283                         uint8_t crt, tv, panel;
 284                 } i2c_indices;
 285
 286                 uint16_t lvds_single_a_script_ptr;
 287         } legacy;
 288 };
 289
 290 #endif