1 /*
2  * Copyright © 2014 Intel Corporation
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 DEALINGS
21  * IN THE SOFTWARE.
22  *
23  */
24 #ifndef _INTEL_GUC_REG_H_
25 #define _INTEL_GUC_REG_H_
26 
27 #include <linux/compiler.h>
28 #include <linux/types.h>
29 
30 #include "i915_reg.h"
31 
32 /* Definitions of GuC H/W registers, bits, etc */
33 
34 #define GUC_STATUS			_MMIO(0xc000)
35 #define   GS_RESET_SHIFT		0
36 #define   GS_MIA_IN_RESET		  (0x01 << GS_RESET_SHIFT)
37 #define   GS_BOOTROM_SHIFT		1
38 #define   GS_BOOTROM_MASK		  (0x7F << GS_BOOTROM_SHIFT)
39 #define   GS_BOOTROM_RSA_FAILED		  (0x50 << GS_BOOTROM_SHIFT)
40 #define   GS_BOOTROM_JUMP_PASSED	  (0x76 << GS_BOOTROM_SHIFT)
41 #define   GS_UKERNEL_SHIFT		8
42 #define   GS_UKERNEL_MASK		  (0xFF << GS_UKERNEL_SHIFT)
43 #define   GS_UKERNEL_LAPIC_DONE		  (0x30 << GS_UKERNEL_SHIFT)
44 #define   GS_UKERNEL_DPC_ERROR		  (0x60 << GS_UKERNEL_SHIFT)
45 #define   GS_UKERNEL_EXCEPTION		  (0x70 << GS_UKERNEL_SHIFT)
46 #define   GS_UKERNEL_READY		  (0xF0 << GS_UKERNEL_SHIFT)
47 #define   GS_MIA_SHIFT			16
48 #define   GS_MIA_MASK			  (0x07 << GS_MIA_SHIFT)
49 #define   GS_MIA_CORE_STATE		  (0x01 << GS_MIA_SHIFT)
50 #define   GS_MIA_HALT_REQUESTED		  (0x02 << GS_MIA_SHIFT)
51 #define   GS_MIA_ISR_ENTRY		  (0x04 << GS_MIA_SHIFT)
52 #define   GS_AUTH_STATUS_SHIFT		30
53 #define   GS_AUTH_STATUS_MASK		  (0x03 << GS_AUTH_STATUS_SHIFT)
54 #define   GS_AUTH_STATUS_BAD		  (0x01 << GS_AUTH_STATUS_SHIFT)
55 #define   GS_AUTH_STATUS_GOOD		  (0x02 << GS_AUTH_STATUS_SHIFT)
56 
57 #define SOFT_SCRATCH(n)			_MMIO(0xc180 + (n) * 4)
58 #define SOFT_SCRATCH_COUNT		16
59 
60 #define GEN11_SOFT_SCRATCH(n)		_MMIO(0x190240 + (n) * 4)
61 #define GEN11_SOFT_SCRATCH_COUNT	4
62 
63 #define UOS_RSA_SCRATCH(i)		_MMIO(0xc200 + (i) * 4)
64 #define UOS_RSA_SCRATCH_COUNT		64
65 
66 #define DMA_ADDR_0_LOW			_MMIO(0xc300)
67 #define DMA_ADDR_0_HIGH			_MMIO(0xc304)
68 #define DMA_ADDR_1_LOW			_MMIO(0xc308)
69 #define DMA_ADDR_1_HIGH			_MMIO(0xc30c)
70 #define   DMA_ADDRESS_SPACE_WOPCM	  (7 << 16)
71 #define   DMA_ADDRESS_SPACE_GTT		  (8 << 16)
72 #define DMA_COPY_SIZE			_MMIO(0xc310)
73 #define DMA_CTRL			_MMIO(0xc314)
74 #define   HUC_UKERNEL			  (1<<9)
75 #define   UOS_MOVE			  (1<<4)
76 #define   START_DMA			  (1<<0)
77 #define DMA_GUC_WOPCM_OFFSET		_MMIO(0xc340)
78 #define   GUC_WOPCM_OFFSET_VALID	  (1<<0)
79 #define   HUC_LOADING_AGENT_VCR		  (0<<1)
80 #define   HUC_LOADING_AGENT_GUC		  (1<<1)
81 #define   GUC_WOPCM_OFFSET_SHIFT	14
82 #define   GUC_WOPCM_OFFSET_MASK		  (0x3ffff << GUC_WOPCM_OFFSET_SHIFT)
83 #define GUC_MAX_IDLE_COUNT		_MMIO(0xC3E4)
84 
85 #define HUC_STATUS2             _MMIO(0xD3B0)
86 #define   HUC_FW_VERIFIED       (1<<7)
87 
88 #define GEN11_HUC_KERNEL_LOAD_INFO	_MMIO(0xC1DC)
89 #define   HUC_LOAD_SUCCESSFUL		  (1 << 0)
90 
91 #define GUC_WOPCM_SIZE			_MMIO(0xc050)
92 #define   GUC_WOPCM_SIZE_LOCKED		  (1<<0)
93 #define   GUC_WOPCM_SIZE_SHIFT		12
94 #define   GUC_WOPCM_SIZE_MASK		  (0xfffff << GUC_WOPCM_SIZE_SHIFT)
95 
96 #define GEN8_GT_PM_CONFIG		_MMIO(0x138140)
97 #define GEN9LP_GT_PM_CONFIG		_MMIO(0x138140)
98 #define GEN9_GT_PM_CONFIG		_MMIO(0x13816c)
99 #define   GT_DOORBELL_ENABLE		  (1<<0)
100 
101 #define GEN8_GTCR			_MMIO(0x4274)
102 #define   GEN8_GTCR_INVALIDATE		  (1<<0)
103 
104 #define GUC_ARAT_C6DIS			_MMIO(0xA178)
105 
106 #define GUC_SHIM_CONTROL		_MMIO(0xc064)
107 #define   GUC_DISABLE_SRAM_INIT_TO_ZEROES	(1<<0)
108 #define   GUC_ENABLE_READ_CACHE_LOGIC		(1<<1)
109 #define   GUC_ENABLE_MIA_CACHING		(1<<2)
110 #define   GUC_GEN10_MSGCH_ENABLE		(1<<4)
111 #define   GUC_ENABLE_READ_CACHE_FOR_SRAM_DATA	(1<<9)
112 #define   GUC_ENABLE_READ_CACHE_FOR_WOPCM_DATA	(1<<10)
113 #define   GUC_ENABLE_MIA_CLOCK_GATING		(1<<15)
114 #define   GUC_GEN10_SHIM_WC_ENABLE		(1<<21)
115 
116 #define GUC_SEND_INTERRUPT		_MMIO(0xc4c8)
117 #define   GUC_SEND_TRIGGER		  (1<<0)
118 #define GEN11_GUC_HOST_INTERRUPT	_MMIO(0x1901f0)
119 
120 #define GUC_NUM_DOORBELLS		256
121 
122 /* format of the HW-monitored doorbell cacheline */
123 struct guc_doorbell_info {
124 	u32 db_status;
125 #define GUC_DOORBELL_DISABLED		0
126 #define GUC_DOORBELL_ENABLED		1
127 
128 	u32 cookie;
129 	u32 reserved[14];
130 } __packed;
131 
132 #define GEN8_DRBREGL(x)			_MMIO(0x1000 + (x) * 8)
133 #define   GEN8_DRB_VALID		  (1<<0)
134 #define GEN8_DRBREGU(x)			_MMIO(0x1000 + (x) * 8 + 4)
135 
136 #define DE_GUCRMR			_MMIO(0x44054)
137 
138 #define GUC_BCS_RCS_IER			_MMIO(0xC550)
139 #define GUC_VCS2_VCS1_IER		_MMIO(0xC554)
140 #define GUC_WD_VECS_IER			_MMIO(0xC558)
141 #define GUC_PM_P24C_IER			_MMIO(0xC55C)
142 
143 /* GuC Interrupt Vector */
144 #define GUC_INTR_GUC2HOST		BIT(15)
145 #define GUC_INTR_EXEC_ERROR		BIT(14)
146 #define GUC_INTR_DISPLAY_EVENT		BIT(13)
147 #define GUC_INTR_SEM_SIG		BIT(12)
148 #define GUC_INTR_IOMMU2GUC		BIT(11)
149 #define GUC_INTR_DOORBELL_RANG		BIT(10)
150 #define GUC_INTR_DMA_DONE		BIT(9)
151 #define GUC_INTR_FATAL_ERROR		BIT(8)
152 #define GUC_INTR_NOTIF_ERROR		BIT(7)
153 #define GUC_INTR_SW_INT_6		BIT(6)
154 #define GUC_INTR_SW_INT_5		BIT(5)
155 #define GUC_INTR_SW_INT_4		BIT(4)
156 #define GUC_INTR_SW_INT_3		BIT(3)
157 #define GUC_INTR_SW_INT_2		BIT(2)
158 #define GUC_INTR_SW_INT_1		BIT(1)
159 #define GUC_INTR_SW_INT_0		BIT(0)
160 
161 #endif
162