1 /* $NetBSD: nouveau_bios.h,v 1.5 2021/12/18 23:45:32 riastradh Exp $ */ 2 3 /* 4 * Copyright 2007-2008 Nouveau Project 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 23 * DEALINGS IN THE SOFTWARE. 24 */ 25 26 #ifndef __NOUVEAU_DISPBIOS_H__ 27 #define __NOUVEAU_DISPBIOS_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) get_unaligned_le16(&(x)) 37 #define ROM32(x) get_unaligned_le32(&(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 180