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#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) get_unaligned_le16(&(x))
  35#define ROM32(x) get_unaligned_le32(&(x))
  36#define ROMPTR(d,x) ({            \
  37        struct nouveau_drm *drm = nouveau_drm((d)); \
  38        ROM16(x) ? &drm->vbios.data[ROM16(x)] : NULL; \
  39})
  40
  41struct bit_entry {
  42        uint8_t  id;
  43        uint8_t  version;
  44        uint16_t length;
  45        uint16_t offset;
  46        uint8_t *data;
  47};
  48
  49int bit_table(struct drm_device *, u8 id, struct bit_entry *);
  50
  51#include <subdev/bios/dcb.h>
  52#include <subdev/bios/conn.h>
  53
  54struct dcb_table {
  55        uint8_t version;
  56        int entries;
  57        struct dcb_output entry[DCB_MAX_NUM_ENTRIES];
  58};
  59
  60enum nouveau_or {
  61        DCB_OUTPUT_A = (1 << 0),
  62        DCB_OUTPUT_B = (1 << 1),
  63        DCB_OUTPUT_C = (1 << 2)
  64};
  65
  66enum LVDS_script {
  67        /* Order *does* matter here */
  68        LVDS_INIT = 1,
  69        LVDS_RESET,
  70        LVDS_BACKLIGHT_ON,
  71        LVDS_BACKLIGHT_OFF,
  72        LVDS_PANEL_ON,
  73        LVDS_PANEL_OFF
  74};
  75
  76struct nvbios {
  77        struct drm_device *dev;
  78        enum {
  79                NVBIOS_BMP,
  80                NVBIOS_BIT
  81        } type;
  82        uint16_t offset;
  83        uint32_t length;
  84        uint8_t *data;
  85
  86        uint8_t chip_version;
  87
  88        uint32_t dactestval;
  89        uint32_t tvdactestval;
  90        uint8_t digital_min_front_porch;
  91        bool fp_no_ddc;
  92
  93        spinlock_t lock;
  94
  95        bool execute;
  96
  97        uint8_t major_version;
  98        uint8_t feature_byte;
  99        bool is_mobile;
 100
 101        uint32_t fmaxvco, fminvco;
 102
 103        bool old_style_init;
 104        uint16_t init_script_tbls_ptr;
 105        uint16_t extra_init_script_tbl_ptr;
 106
 107        uint16_t ram_restrict_tbl_ptr;
 108        uint8_t ram_restrict_group_count;
 109
 110        struct dcb_table dcb;
 111
 112        struct {
 113                int crtchead;
 114        } state;
 115
 116        struct {
 117                uint16_t fptablepointer;        /* also used by tmds */
 118                uint16_t fpxlatetableptr;
 119                int xlatwidth;
 120                uint16_t lvdsmanufacturerpointer;
 121                uint16_t fpxlatemanufacturertableptr;
 122                uint16_t mode_ptr;
 123                uint16_t xlated_entry;
 124                bool power_off_for_reset;
 125                bool reset_after_pclk_change;
 126                bool dual_link;
 127                bool link_c_increment;
 128                bool if_is_24bit;
 129                int duallink_transition_clk;
 130                uint8_t strapless_is_24bit;
 131                uint8_t *edid;
 132
 133                /* will need resetting after suspend */
 134                int last_script_invoc;
 135                bool lvds_init_run;
 136        } fp;
 137
 138        struct {
 139                uint16_t output0_script_ptr;
 140                uint16_t output1_script_ptr;
 141        } tmds;
 142
 143        struct {
 144                uint16_t mem_init_tbl_ptr;
 145                uint16_t sdr_seq_tbl_ptr;
 146                uint16_t ddr_seq_tbl_ptr;
 147
 148                struct {
 149                        uint8_t crt, tv, panel;
 150                } i2c_indices;
 151
 152                uint16_t lvds_single_a_script_ptr;
 153        } legacy;
 154};
 155
 156void *olddcb_table(struct drm_device *);
 157void *olddcb_outp(struct drm_device *, u8 idx);
 158int olddcb_outp_foreach(struct drm_device *, void *data,
 159                     int (*)(struct drm_device *, void *, int idx, u8 *outp));
 160u8 *olddcb_conntab(struct drm_device *);
 161u8 *olddcb_conn(struct drm_device *, u8 idx);
 162
 163int nouveau_bios_init(struct drm_device *);
 164void nouveau_bios_takedown(struct drm_device *dev);
 165int nouveau_run_vbios_init(struct drm_device *);
 166struct dcb_connector_table_entry *
 167nouveau_bios_connector_entry(struct drm_device *, int index);
 168bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
 169uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
 170int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
 171                                         bool *dl, bool *if_is_24bit);
 172int run_tmds_table(struct drm_device *, struct dcb_output *,
 173                          int head, int pxclk);
 174int call_lvds_script(struct drm_device *, struct dcb_output *, int head,
 175                            enum LVDS_script, int pxclk);
 176
 177#endif
 178