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 #define ROM16(x) le16_to_cpu(*(uint16_t *)&(x))
  38 #define ROM32(x) le32_to_cpu(*(uint32_t *)&(x))
  39 #define ROMPTR(bios, x) (ROM16(x) ? &(bios)->data[ROM16(x)] : NULL)
  40
  41 struct bit_entry {
  42         uint8_t  id;
  43         uint8_t  version;
  44         uint16_t length;
  45         uint16_t offset;
  46         uint8_t *data;
  47 };
  48
  49 int bit_table(struct drm_device *, u8 id, struct bit_entry *);
  50
  51 struct dcb_i2c_entry {
  52         uint32_t entry;
  53         uint8_t port_type;
  54         uint8_t read, write;
  55         struct nouveau_i2c_chan *chan;
  56 };
  57
  58 enum dcb_gpio_tag {
  59         DCB_GPIO_TVDAC0 = 0xc,
  60         DCB_GPIO_TVDAC1 = 0x2d,
  61 };
  62
  63 struct dcb_gpio_entry {
  64         enum dcb_gpio_tag tag;
  65         int line;
  66         bool invert;
  67         uint32_t entry;
  68         uint8_t state_default;
  69         uint8_t state[2];
  70 };
  71
  72 struct dcb_gpio_table {
  73         int entries;
  74         struct dcb_gpio_entry entry[DCB_MAX_NUM_GPIO_ENTRIES];
  75 };
  76
  77 enum dcb_connector_type {
  78         DCB_CONNECTOR_VGA = 0x00,
  79         DCB_CONNECTOR_TV_0 = 0x10,
  80         DCB_CONNECTOR_TV_1 = 0x11,
  81         DCB_CONNECTOR_TV_3 = 0x13,
  82         DCB_CONNECTOR_DVI_I = 0x30,
  83         DCB_CONNECTOR_DVI_D = 0x31,
  84         DCB_CONNECTOR_LVDS = 0x40,
  85         DCB_CONNECTOR_LVDS_SPWG = 0x41,
  86         DCB_CONNECTOR_DP = 0x46,
  87         DCB_CONNECTOR_eDP = 0x47,
  88         DCB_CONNECTOR_HDMI_0 = 0x60,
  89         DCB_CONNECTOR_HDMI_1 = 0x61,
  90         DCB_CONNECTOR_NONE = 0xff
  91 };
  92
  93 struct dcb_connector_table_entry {
  94         uint8_t index;
  95         uint32_t entry;
  96         enum dcb_connector_type type;
  97         uint8_t index2;
  98         uint8_t gpio_tag;
  99         void *drm;
 100 };
 101
 102 struct dcb_connector_table {
 103         int entries;
 104         struct dcb_connector_table_entry entry[DCB_MAX_NUM_CONNECTOR_ENTRIES];
 105 };
 106
 107 enum dcb_type {
 108         OUTPUT_ANALOG = 0,
 109         OUTPUT_TV = 1,
 110         OUTPUT_TMDS = 2,
 111         OUTPUT_LVDS = 3,
 112         OUTPUT_DP = 6,
 113         OUTPUT_EOL = 14, /* DCB 4.0+, appears to be end-of-list */
 114         OUTPUT_ANY = -1
 115 };
 116
 117 struct dcb_entry {
 118         int index;      /* may not be raw dcb index if merging has happened */
 119         enum dcb_type type;
 120         uint8_t i2c_index;
 121         uint8_t heads;
 122         uint8_t connector;
 123         uint8_t bus;
 124         uint8_t location;
 125         uint8_t or;
 126         bool duallink_possible;
 127         union {
 128                 struct sor_conf {
 129                         int link;
 130                 } sorconf;
 131                 struct {
 132                         int maxfreq;
 133                 } crtconf;
 134                 struct {
 135                         struct sor_conf sor;
 136                         bool use_straps_for_mode;
 137                         bool use_acpi_for_edid;
 138                         bool use_power_scripts;
 139                 } lvdsconf;
 140                 struct {
 141                         bool has_component_output;
 142                 } tvconf;
 143                 struct {
 144                         struct sor_conf sor;
 145                         int link_nr;
 146                         int link_bw;
 147                 } dpconf;
 148                 struct {
 149                         struct sor_conf sor;
 150                         int slave_addr;
 151                 } tmdsconf;
 152         };
 153         bool i2c_upper_default;
 154 };
 155
 156 struct dcb_table {
 157         uint8_t version;
 158
 159         int entries;
 160         struct dcb_entry entry[DCB_MAX_NUM_ENTRIES];
 161
 162         uint8_t *i2c_table;
 163         uint8_t i2c_default_indices;
 164         struct dcb_i2c_entry i2c[DCB_MAX_NUM_I2C_ENTRIES];
 165
 166         uint16_t gpio_table_ptr;
 167         struct dcb_gpio_table gpio;
 168         uint16_t connector_table_ptr;
 169         struct dcb_connector_table connector;
 170 };
 171
 172 enum nouveau_or {
 173         OUTPUT_A = (1 << 0),
 174         OUTPUT_B = (1 << 1),
 175         OUTPUT_C = (1 << 2)
 176 };
 177
 178 enum LVDS_script {
 179         /* Order *does* matter here */
 180         LVDS_INIT = 1,
 181         LVDS_RESET,
 182         LVDS_BACKLIGHT_ON,
 183         LVDS_BACKLIGHT_OFF,
 184         LVDS_PANEL_ON,
 185         LVDS_PANEL_OFF
 186 };
 187
 188 /* these match types in pll limits table version 0x40,
 189  * nouveau uses them on all chipsets internally where a
 190  * specific pll needs to be referenced, but the exact
 191  * register isn't known.
 192  */
 193 enum pll_types {
 194         PLL_CORE   = 0x01,
 195         PLL_SHADER = 0x02,
 196         PLL_UNK03  = 0x03,
 197         PLL_MEMORY = 0x04,
 198         PLL_UNK05  = 0x05,
 199         PLL_UNK40  = 0x40,
 200         PLL_UNK41  = 0x41,
 201         PLL_UNK42  = 0x42,
 202         PLL_VPLL0  = 0x80,
 203         PLL_VPLL1  = 0x81,
 204         PLL_MAX    = 0xff
 205 };
 206
 207 struct pll_lims {
 208         u32 reg;
 209
 210         struct {
 211                 int minfreq;
 212                 int maxfreq;
 213                 int min_inputfreq;
 214                 int max_inputfreq;
 215
 216                 uint8_t min_m;
 217                 uint8_t max_m;
 218                 uint8_t min_n;
 219                 uint8_t max_n;
 220         } vco1, vco2;
 221
 222         uint8_t max_log2p;
 223         /*
 224          * for most pre nv50 cards setting a log2P of 7 (the common max_log2p
 225          * value) is no different to 6 (at least for vplls) so allowing the MNP
 226          * calc to use 7 causes the generated clock to be out by a factor of 2.
 227          * however, max_log2p cannot be fixed-up during parsing as the
 228          * unmodified max_log2p value is still needed for setting mplls, hence
 229          * an additional max_usable_log2p member
 230          */
 231         uint8_t max_usable_log2p;
 232         uint8_t log2p_bias;
 233
 234         uint8_t min_p;
 235         uint8_t max_p;
 236
 237         int refclk;
 238 };
 239
 240 struct nvbios {
 241         struct drm_device *dev;
 242         enum {
 243                 NVBIOS_BMP,
 244                 NVBIOS_BIT
 245         } type;
 246         uint16_t offset;
 247
 248         uint8_t chip_version;
 249
 250         uint32_t dactestval;
 251         uint32_t tvdactestval;
 252         uint8_t digital_min_front_porch;
 253         bool fp_no_ddc;
 254
 255         spinlock_t lock;
 256
 257         uint8_t data[NV_PROM_SIZE];
 258         unsigned int length;
 259         bool execute;
 260
 261         uint8_t major_version;
 262         uint8_t feature_byte;
 263         bool is_mobile;
 264
 265         uint32_t fmaxvco, fminvco;
 266
 267         bool old_style_init;
 268         uint16_t init_script_tbls_ptr;
 269         uint16_t extra_init_script_tbl_ptr;
 270         uint16_t macro_index_tbl_ptr;
 271         uint16_t macro_tbl_ptr;
 272         uint16_t condition_tbl_ptr;
 273         uint16_t io_condition_tbl_ptr;
 274         uint16_t io_flag_condition_tbl_ptr;
 275         uint16_t init_function_tbl_ptr;
 276
 277         uint16_t pll_limit_tbl_ptr;
 278         uint16_t ram_restrict_tbl_ptr;
 279         uint8_t ram_restrict_group_count;
 280
 281         uint16_t some_script_ptr; /* BIT I + 14 */
 282         uint16_t init96_tbl_ptr; /* BIT I + 16 */
 283
 284         struct dcb_table dcb;
 285
 286         struct {
 287                 int crtchead;
 288         } state;
 289
 290         struct {
 291                 struct dcb_entry *output;
 292                 uint16_t script_table_ptr;
 293                 uint16_t dp_table_ptr;
 294         } display;
 295
 296         struct {
 297                 uint16_t fptablepointer;        /* also used by tmds */
 298                 uint16_t fpxlatetableptr;
 299                 int xlatwidth;
 300                 uint16_t lvdsmanufacturerpointer;
 301                 uint16_t fpxlatemanufacturertableptr;
 302                 uint16_t mode_ptr;
 303                 uint16_t xlated_entry;
 304                 bool power_off_for_reset;
 305                 bool reset_after_pclk_change;
 306                 bool dual_link;
 307                 bool link_c_increment;
 308                 bool if_is_24bit;
 309                 int duallink_transition_clk;
 310                 uint8_t strapless_is_24bit;
 311                 uint8_t *edid;
 312
 313                 /* will need resetting after suspend */
 314                 int last_script_invoc;
 315                 bool lvds_init_run;
 316         } fp;
 317
 318         struct {
 319                 uint16_t output0_script_ptr;
 320                 uint16_t output1_script_ptr;
 321         } tmds;
 322
 323         struct {
 324                 uint16_t mem_init_tbl_ptr;
 325                 uint16_t sdr_seq_tbl_ptr;
 326                 uint16_t ddr_seq_tbl_ptr;
 327
 328                 struct {
 329                         uint8_t crt, tv, panel;
 330                 } i2c_indices;
 331
 332                 uint16_t lvds_single_a_script_ptr;
 333         } legacy;
 334 };
 335
 336 #endif