nouveau_bios.h revision 1.2
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 <asm/byteorder.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; 110 111 uint16_t ram_restrict_tbl_ptr; 112 uint8_t ram_restrict_group_count; 113 114 struct dcb_table dcb; 115 116 struct { 117 int crtchead; 118 } state; 119 120 struct { 121 uint16_t fptablepointer; /* also used by tmds */ 122 uint16_t fpxlatetableptr; 123 int xlatwidth; 124 uint16_t lvdsmanufacturerpointer; 125 uint16_t fpxlatemanufacturertableptr; 126 uint16_t mode_ptr; 127 uint16_t xlated_entry; 128 bool power_off_for_reset; 129 bool reset_after_pclk_change; 130 bool dual_link; 131 bool link_c_increment; 132 bool if_is_24bit; 133 int duallink_transition_clk; 134 uint8_t strapless_is_24bit; 135 uint8_t *edid; 136 137 /* will need resetting after suspend */ 138 int last_script_invoc; 139 bool lvds_init_run; 140 } fp; 141 142 struct { 143 uint16_t output0_script_ptr; 144 uint16_t output1_script_ptr; 145 } tmds; 146 147 struct { 148 uint16_t mem_init_tbl_ptr; 149 uint16_t sdr_seq_tbl_ptr; 150 uint16_t ddr_seq_tbl_ptr; 151 152 struct { 153 uint8_t crt, tv, panel; 154 } i2c_indices; 155 156 uint16_t lvds_single_a_script_ptr; 157 } legacy; 158 }; 159 160 void *olddcb_table(struct drm_device *); 161 void *olddcb_outp(struct drm_device *, u8 idx); 162 int olddcb_outp_foreach(struct drm_device *, void *data, 163 int (*)(struct drm_device *, void *, int idx, u8 *outp)); 164 u8 *olddcb_conntab(struct drm_device *); 165 u8 *olddcb_conn(struct drm_device *, u8 idx); 166 167 int nouveau_bios_init(struct drm_device *); 168 void nouveau_bios_takedown(struct drm_device *dev); 169 int nouveau_run_vbios_init(struct drm_device *); 170 struct dcb_connector_table_entry * 171 nouveau_bios_connector_entry(struct drm_device *, int index); 172 bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *); 173 uint8_t *nouveau_bios_embedded_edid(struct drm_device *); 174 int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk, 175 bool *dl, bool *if_is_24bit); 176 int run_tmds_table(struct drm_device *, struct dcb_output *, 177 int head, int pxclk); 178 int call_lvds_script(struct drm_device *, struct dcb_output *, int head, 179 enum LVDS_script, int pxclk); 180 181 #endif 182
Indexes created Sun Oct 26 21:10:03 GMT 2025