xref: /aosp_15_r20/external/coreboot/src/northbridge/intel/haswell/chip.h (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #ifndef NORTHBRIDGE_INTEL_HASWELL_CHIP_H
4 #define NORTHBRIDGE_INTEL_HASWELL_CHIP_H
5 
6 #include <drivers/intel/gma/gma.h>
7 #include <types.h>
8 
9 struct peg_config {
10 	bool is_onboard;
11 	uint8_t power_limit_scale;
12 	uint8_t power_limit_value;
13 	uint16_t phys_slot_number;
14 };
15 
16 /*
17  * Digital Port Hotplug Enable:
18  *  0x04 = Enabled, 2ms   short pulse
19  *  0x05 = Enabled, 4.5ms short pulse
20  *  0x06 = Enabled, 6ms   short pulse
21  *  0x07 = Enabled, 100ms short pulse
22  */
23 struct northbridge_intel_haswell_config {
24 	u8 gpu_dp_b_hotplug; /* Digital Port B Hotplug Config */
25 	u8 gpu_dp_c_hotplug; /* Digital Port C Hotplug Config */
26 	u8 gpu_dp_d_hotplug; /* Digital Port D Hotplug Config */
27 
28 	/* IGD panel configuration */
29 	struct i915_gpu_panel_config panel_cfg;
30 
31 	struct peg_config peg_cfg[3];
32 
33 	bool gpu_ddi_e_connected;
34 
35 	bool ec_present;
36 
37 	bool dq_pins_interleaved;
38 
39 	bool usb_xhci_on_resume;
40 
41 	struct i915_gpu_controller_info gfx;
42 };
43 
44 #endif /* NORTHBRIDGE_INTEL_HASWELL_CHIP_H */
45