1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2023 Intel Corporation
4  */
5 
6 #ifndef __INTEL_DSB_REGS_H__
7 #define __INTEL_DSB_REGS_H__
8 
9 #include "intel_display_reg_defs.h"
10 
11 /* This register controls the Display State Buffer (DSB) engines. */
12 #define _DSBSL_INSTANCE_BASE		0x70B00
13 #define DSBSL_INSTANCE(pipe, id)	(_DSBSL_INSTANCE_BASE + \
14 					 (pipe) * 0x1000 + (id) * 0x100)
15 #define DSB_HEAD(pipe, id)		_MMIO(DSBSL_INSTANCE(pipe, id) + 0x0)
16 #define DSB_TAIL(pipe, id)		_MMIO(DSBSL_INSTANCE(pipe, id) + 0x4)
17 #define DSB_CTRL(pipe, id)		_MMIO(DSBSL_INSTANCE(pipe, id) + 0x8)
18 #define   DSB_ENABLE			REG_BIT(31)
19 #define   DSB_BUF_REITERATE		REG_BIT(29)
20 #define   DSB_WAIT_FOR_VBLANK		REG_BIT(28)
21 #define   DSB_WAIT_FOR_LINE_IN		REG_BIT(27)
22 #define   DSB_HALT			REG_BIT(16)
23 #define   DSB_NON_POSTED		REG_BIT(8)
24 #define   DSB_STATUS_BUSY		REG_BIT(0)
25 #define DSB_MMIOCTRL(pipe, id)		_MMIO(DSBSL_INSTANCE(pipe, id) + 0xc)
26 #define   DSB_MMIO_DEAD_CLOCKS_ENABLE	REG_BIT(31)
27 #define   DSB_MMIO_DEAD_CLOCKS_COUNT_MASK	REG_GENMASK(15, 8)
28 #define   DSB_MMIO_DEAD_CLOCKS_COUNT(x)	REG_FIELD_PREP(DSB_MMIO_DEAD_CLOCK_COUNT_MASK, (x))
29 #define   DSB_MMIO_CYCLES_MASK		REG_GENMASK(7, 0)
30 #define   DSB_MMIO_CYCLES(x)		REG_FIELD_PREP(DSB_MMIO_CYCLES_MASK, (x))
31 #define DSB_POLLFUNC(pipe, id)		_MMIO(DSBSL_INSTANCE(pipe, id) + 0x10)
32 #define   DSB_POLL_ENABLE		REG_BIT(31)
33 #define   DSB_POLL_WAIT_MASK		REG_GENMASK(30, 23)
34 #define   DSB_POLL_WAIT(x)		REG_FIELD_PREP(DSB_POLL_WAIT_MASK, (x)) /* usec */
35 #define   DSB_POLL_COUNT_MASK		REG_GENMASK(22, 15)
36 #define   DSB_POLL_COUNT(x)		REG_FIELD_PREP(DSB_POLL_COUNT_MASK, (x))
37 #define DSB_DEBUG(pipe, id)		_MMIO(DSBSL_INSTANCE(pipe, id) + 0x14)
38 #define DSB_POLLMASK(pipe, id)		_MMIO(DSBSL_INSTANCE(pipe, id) + 0x1c)
39 #define DSB_STATUS(pipe, id)		_MMIO(DSBSL_INSTANCE(pipe, id) + 0x24)
40 #define DSB_INTERRUPT(pipe, id)		_MMIO(DSBSL_INSTANCE(pipe, id) + 0x28)
41 #define   DSB_ATS_FAULT_INT_EN		REG_BIT(20)
42 #define   DSB_GTT_FAULT_INT_EN		REG_BIT(19)
43 #define   DSB_RSPTIMEOUT_INT_EN		REG_BIT(18)
44 #define   DSB_POLL_ERR_INT_EN		REG_BIT(17)
45 #define   DSB_PROG_INT_EN		REG_BIT(16)
46 #define   DSB_ATS_FAULT_INT_STATUS	REG_BIT(4)
47 #define   DSB_GTT_FAULT_INT_STATUS	REG_BIT(3)
48 #define   DSB_RSPTIMEOUT_INT_STATUS	REG_BIT(2)
49 #define   DSB_POLL_ERR_INT_STATUS	REG_BIT(1)
50 #define   DSB_PROG_INT_STATUS		REG_BIT(0)
51 #define DSB_CURRENT_HEAD(pipe, id)	_MMIO(DSBSL_INSTANCE(pipe, id) + 0x2c)
52 #define DSB_RM_TIMEOUT(pipe, id)	_MMIO(DSBSL_INSTANCE(pipe, id) + 0x30)
53 #define   DSB_RM_CLAIM_TIMEOUT		REG_BIT(31)
54 #define   DSB_RM_READY_TIMEOUT		REG_BIT(30)
55 #define   DSB_RM_CLAIM_TIMEOUT_COUNT_MASK	REG_GENMASK(23, 16)
56 #define   DSB_RM_CLAIM_TIMEOUT_COUNT(x)	REG_FIELD_PREP(DSB_RM_CLAIM_TIMEOUT_COUNT_MASK, (x)) /* clocks */
57 #define   DSB_RM_READY_TIMEOUT_VALUE_MASK	REG_GENMASK(15, 0)
58 #define   DSB_RM_READY_TIMEOUT_VALUE(x)	REG_FIELD_PREP(DSB_RM_READY_TIMEOUT_VALUE, (x)) /* usec */
59 #define DSB_RMTIMEOUTREG_CAPTURE(pipe, id)	_MMIO(DSBSL_INSTANCE(pipe, id) + 0x34)
60 #define DSB_PMCTRL(pipe, id)		_MMIO(DSBSL_INSTANCE(pipe, id) + 0x38)
61 #define DSB_PMCTRL_2(pipe, id)		_MMIO(DSBSL_INSTANCE(pipe, id) + 0x3c)
62 #define DSB_PF_LN_LOWER(pipe, id)	_MMIO(DSBSL_INSTANCE(pipe, id) + 0x40)
63 #define DSB_PF_LN_UPPER(pipe, id)	_MMIO(DSBSL_INSTANCE(pipe, id) + 0x44)
64 #define DSB_BUFRPT_CNT(pipe, id)	_MMIO(DSBSL_INSTANCE(pipe, id) + 0x48)
65 #define DSB_CHICKEN(pipe, id)		_MMIO(DSBSL_INSTANCE(pipe, id) + 0xf0)
66 
67 #endif /* __INTEL_DSB_REGS_H__ */
68