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 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 #include <subdev/bios.h> 52 #include <subdev/bios/dcb.h> 53 #include <subdev/bios/conn.h> 54 55 struct dcb_table { 56 uint8_t version; 57 int entries; 58 struct dcb_output entry[DCB_MAX_NUM_ENTRIES]; 59 }; 60 61 enum nouveau_or { 62 DCB_OUTPUT_A = (1 << 0), 63 DCB_OUTPUT_B = (1 << 1), 64 DCB_OUTPUT_C = (1 << 2) 65 }; 66 67 enum LVDS_script { 68 /* Order *does* matter here */ 69 LVDS_INIT = 1, 70 LVDS_RESET, 71 LVDS_BACKLIGHT_ON, 72 LVDS_BACKLIGHT_OFF, 73 LVDS_PANEL_ON, 74 LVDS_PANEL_OFF 75 }; 76 77 struct nvbios { 78 struct drm_device *dev; 79 enum { 80 NVBIOS_BMP, 81 NVBIOS_BIT 82 } type; 83 uint16_t offset; 84 uint32_t length; 85 uint8_t *data; 86 87 uint8_t chip_version; 88 89 uint32_t dactestval; 90 uint32_t tvdactestval; 91 uint8_t digital_min_front_porch; 92 bool fp_no_ddc; 93 94 spinlock_t lock; 95 96 bool execute; 97 98 uint8_t major_version; 99 uint8_t feature_byte; 100 bool is_mobile; 101 102 uint32_t fmaxvco, fminvco; 103 104 bool old_style_init; 105 uint16_t init_script_tbls_ptr; 106 uint16_t extra_init_script_tbl_ptr; 107 108 uint16_t ram_restrict_tbl_ptr; 109 uint8_t ram_restrict_group_count; 110 111 struct dcb_table dcb; 112 113 struct { 114 int crtchead; 115 } state; 116 117 struct { 118 uint16_t fptablepointer; /* also used by tmds */ 119 uint16_t fpxlatetableptr; 120 int xlatwidth; 121 uint16_t lvdsmanufacturerpointer; 122 uint16_t fpxlatemanufacturertableptr; 123 uint16_t mode_ptr; 124 uint16_t xlated_entry; 125 bool power_off_for_reset; 126 bool reset_after_pclk_change; 127 bool dual_link; 128 bool link_c_increment; 129 bool if_is_24bit; 130 int duallink_transition_clk; 131 uint8_t strapless_is_24bit; 132 uint8_t *edid; 133 134 /* will need resetting after suspend */ 135 int last_script_invoc; 136 bool lvds_init_run; 137 } fp; 138 139 struct { 140 uint16_t output0_script_ptr; 141 uint16_t output1_script_ptr; 142 } tmds; 143 144 struct { 145 uint16_t mem_init_tbl_ptr; 146 uint16_t sdr_seq_tbl_ptr; 147 uint16_t ddr_seq_tbl_ptr; 148 149 struct { 150 uint8_t crt, tv, panel; 151 } i2c_indices; 152 153 uint16_t lvds_single_a_script_ptr; 154 } legacy; 155 }; 156 157 void *olddcb_table(struct drm_device *); 158 void *olddcb_outp(struct drm_device *, u8 idx); 159 int olddcb_outp_foreach(struct drm_device *, void *data, 160 int (*)(struct drm_device *, void *, int idx, u8 *outp)); 161 u8 *olddcb_conntab(struct drm_device *); 162 u8 *olddcb_conn(struct drm_device *, u8 idx); 163 164 int nouveau_bios_init(struct drm_device *); 165 void nouveau_bios_takedown(struct drm_device *dev); 166 int nouveau_run_vbios_init(struct drm_device *); 167 struct dcb_connector_table_entry * 168 nouveau_bios_connector_entry(struct drm_device *, int index); 169 bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *); 170 uint8_t *nouveau_bios_embedded_edid(struct drm_device *); 171 int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk, 172 bool *dl, bool *if_is_24bit); 173 int run_tmds_table(struct drm_device *, struct dcb_output *, 174 int head, int pxclk); 175 int call_lvds_script(struct drm_device *, struct dcb_output *, int head, 176 enum LVDS_script, int pxclk); 177 178 #endif 179