2  * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
29  * Note: Only for GVT-g virtual VBT generation, other usage must
36 #define MBOX_VBT      (1<<3)
78 	u8 edidless_efp:1; /* 161 */
79 	u8 compression_enable:1; /* 198 */
80 	u8 compression_method:1; /* 198 */
81 	u8 ganged_edp:1; /* 202 */
88 	u8 i2c_pin; /* for add-in card */
89 	u8 slave_addr; /* for add-in card */
93 	u8 efp_docked_port:1; /* 158 */
94 	u8 lane_reversal:1; /* 184 */
95 	u8 onboard_lspcon:1; /* 192 */
96 	u8 iboost_enable:1; /* 196 */
97 	u8 hpd_invert:1; /* BXT 196 */
99 	u8 hdmi_compat:1;
100 	u8 dp_compat:1;
101 	u8 tmds_compat:1;
106 	u8 sdvo_stall:1; /* 158 */
108 	u8 integrated_encoder:1;
117 	/* header->bdb_offset point to bdb_header offset */
142 	v->header.signature[0] = '$';  in virt_vbt_generation()
143 	v->header.signature[1] = 'V';  in virt_vbt_generation()
144 	v->header.signature[2] = 'B';  in virt_vbt_generation()
145 	v->header.signature[3] = 'T';  in virt_vbt_generation()
148 	v->header.version = 155;  in virt_vbt_generation()
149 	v->header.header_size = sizeof(v->header);  in virt_vbt_generation()
150 	v->header.vbt_size = sizeof(struct vbt);  in virt_vbt_generation()
151 	v->header.bdb_offset = offsetof(struct vbt, bdb_header);  in virt_vbt_generation()
153 	strcpy(&v->bdb_header.signature[0], "BIOS_DATA_BLOCK");  in virt_vbt_generation()
154 	v->bdb_header.version = 186; /* child_dev_size = 33 */  in virt_vbt_generation()
155 	v->bdb_header.header_size = sizeof(v->bdb_header);  in virt_vbt_generation()
157 	v->bdb_header.bdb_size = sizeof(struct vbt) - sizeof(struct vbt_header);  in virt_vbt_generation()
160 	v->general_features_header.id = BDB_GENERAL_FEATURES;  in virt_vbt_generation()
161 	v->general_features_header.size = sizeof(struct bdb_general_features);  in virt_vbt_generation()
162 	v->general_features.int_crt_support = 0;  in virt_vbt_generation()
163 	v->general_features.int_tv_support = 0;  in virt_vbt_generation()
167 	v->general_definitions.child_dev_size =  in virt_vbt_generation()
169 	v->general_definitions_header.id = BDB_GENERAL_DEFINITIONS;  in virt_vbt_generation()
171 	v->general_definitions_header.size =  in virt_vbt_generation()
173 			num_child * v->general_definitions.child_dev_size;  in virt_vbt_generation()
176 	v->child0.handle = DEVICE_TYPE_EFP1;  in virt_vbt_generation()
177 	v->child0.device_type = DEVICE_TYPE_DP;  in virt_vbt_generation()
178 	v->child0.dvo_port = DVO_PORT_DPA;  in virt_vbt_generation()
179 	v->child0.aux_channel = DP_AUX_A;  in virt_vbt_generation()
180 	v->child0.dp_compat = true;  in virt_vbt_generation()
181 	v->child0.integrated_encoder = true;  in virt_vbt_generation()
184 	v->child1.handle = DEVICE_TYPE_EFP2;  in virt_vbt_generation()
185 	v->child1.device_type = DEVICE_TYPE_DP;  in virt_vbt_generation()
186 	v->child1.dvo_port = DVO_PORT_DPB;  in virt_vbt_generation()
187 	v->child1.aux_channel = DP_AUX_B;  in virt_vbt_generation()
188 	v->child1.dp_compat = true;  in virt_vbt_generation()
189 	v->child1.integrated_encoder = true;  in virt_vbt_generation()
192 	v->child2.handle = DEVICE_TYPE_EFP3;  in virt_vbt_generation()
193 	v->child2.device_type = DEVICE_TYPE_DP;  in virt_vbt_generation()
194 	v->child2.dvo_port = DVO_PORT_DPC;  in virt_vbt_generation()
195 	v->child2.aux_channel = DP_AUX_C;  in virt_vbt_generation()
196 	v->child2.dp_compat = true;  in virt_vbt_generation()
197 	v->child2.integrated_encoder = true;  in virt_vbt_generation()
200 	v->child3.handle = DEVICE_TYPE_EFP4;  in virt_vbt_generation()
201 	v->child3.device_type = DEVICE_TYPE_DP;  in virt_vbt_generation()
202 	v->child3.dvo_port = DVO_PORT_DPD;  in virt_vbt_generation()
203 	v->child3.aux_channel = DP_AUX_D;  in virt_vbt_generation()
204 	v->child3.dp_compat = true;  in virt_vbt_generation()
205 	v->child3.integrated_encoder = true;  in virt_vbt_generation()
208 	v->driver_features_header.id = BDB_DRIVER_FEATURES;  in virt_vbt_generation()
209 	v->driver_features_header.size = sizeof(struct bdb_driver_features);  in virt_vbt_generation()
210 	v->driver_features.lvds_config = BDB_DRIVER_FEATURE_NO_LVDS;  in virt_vbt_generation()
214  * intel_vgpu_init_opregion - initialize the stuff used to emulate opregion
227 	gvt_dbg_core("init vgpu%d opregion\n", vgpu->id);  in intel_vgpu_init_opregion()
228 	vgpu_opregion(vgpu)->va = (void *)__get_free_pages(GFP_KERNEL |  in intel_vgpu_init_opregion()
231 	if (!vgpu_opregion(vgpu)->va) {  in intel_vgpu_init_opregion()
233 		return -ENOMEM;  in intel_vgpu_init_opregion()
237 	buf = (u8 *)vgpu_opregion(vgpu)->va;  in intel_vgpu_init_opregion()
239 	memcpy(header->signature, opregion_signature,  in intel_vgpu_init_opregion()
241 	header->size = 0x8;  in intel_vgpu_init_opregion()
242 	header->opregion_ver = 0x02000000;  in intel_vgpu_init_opregion()
243 	header->mboxes = MBOX_VBT;  in intel_vgpu_init_opregion()
259  * intel_vgpu_opregion_base_write_handler - Opregion base register write handler
262  * @gpa: guest physical address of opregion
267 int intel_vgpu_opregion_base_write_handler(struct intel_vgpu *vgpu, u32 gpa)  in intel_vgpu_opregion_base_write_handler()  argument
275 		vgpu_opregion(vgpu)->gfn[i] = (gpa >> PAGE_SHIFT) + i;  in intel_vgpu_opregion_base_write_handler()
280  * intel_vgpu_clean_opregion - clean the stuff used to emulate opregion
286 	gvt_dbg_core("vgpu%d: clean vgpu opregion\n", vgpu->id);  in intel_vgpu_clean_opregion()
288 	if (!vgpu_opregion(vgpu)->va)  in intel_vgpu_clean_opregion()
292 	free_pages((unsigned long)vgpu_opregion(vgpu)->va,  in intel_vgpu_clean_opregion()
295 	vgpu_opregion(vgpu)->va = NULL;  in intel_vgpu_clean_opregion()
351 	case 1:  in opregion_subfunc_name()
365 		name = "TV-Standard/Video-Connector";  in opregion_subfunc_name()
406  * intel_vgpu_emulate_opregion_request - emulating OpRegion request
420 	scic_pa = (vgpu_opregion(vgpu)->gfn[0] << PAGE_SHIFT) +  in intel_vgpu_emulate_opregion_request()
422 	parm_pa = (vgpu_opregion(vgpu)->gfn[0] << PAGE_SHIFT) +  in intel_vgpu_emulate_opregion_request()
426 		gvt_vgpu_err("guest opregion read error %d, gpa 0x%llx, len %lu\n",  in intel_vgpu_emulate_opregion_request()
433 		gvt_vgpu_err("guest opregion read error %d, gpa 0x%llx, len %lu\n",  in intel_vgpu_emulate_opregion_request()
442 	/* ignore non 0->1 trasitions */  in intel_vgpu_emulate_opregion_request()
470 		gvt_vgpu_err("guest opregion write error %d, gpa 0x%llx, len %lu\n",  in intel_vgpu_emulate_opregion_request()
477 		gvt_vgpu_err("guest opregion write error %d, gpa 0x%llx, len %lu\n",  in intel_vgpu_emulate_opregion_request()