1/* SPDX-License-Identifier: GPL-2.0-only */
2/* Hardware definitions for SSI.
3 *
4 * Copyright (C) 2010 Nokia Corporation. All rights reserved.
5 *
6 * Contact: Carlos Chinea <carlos.chinea@nokia.com>
7 */
8
9#ifndef __OMAP_SSI_REGS_H__
10#define __OMAP_SSI_REGS_H__
11
12/*
13 * SSI SYS registers
14 */
15#define SSI_REVISION_REG 0
16# define SSI_REV_MAJOR 0xf0
17# define SSI_REV_MINOR 0xf
18#define SSI_SYSCONFIG_REG 0x10
19# define SSI_AUTOIDLE (1 << 0)
20# define SSI_SOFTRESET (1 << 1)
21# define SSI_SIDLEMODE_FORCE 0
22# define SSI_SIDLEMODE_NO (1 << 3)
23# define SSI_SIDLEMODE_SMART (1 << 4)
24# define SSI_SIDLEMODE_MASK 0x18
25# define SSI_MIDLEMODE_FORCE 0
26# define SSI_MIDLEMODE_NO (1 << 12)
27# define SSI_MIDLEMODE_SMART (1 << 13)
28# define SSI_MIDLEMODE_MASK 0x3000
29#define SSI_SYSSTATUS_REG 0x14
30# define SSI_RESETDONE 1
31#define SSI_MPU_STATUS_REG(port, irq) (0x808 + ((port) * 0x10) + ((irq) * 2))
32#define SSI_MPU_ENABLE_REG(port, irq) (0x80c + ((port) * 0x10) + ((irq) * 8))
33# define SSI_DATAACCEPT(channel) (1 << (channel))
34# define SSI_DATAAVAILABLE(channel) (1 << ((channel) + 8))
35# define SSI_DATAOVERRUN(channel) (1 << ((channel) + 16))
36# define SSI_ERROROCCURED (1 << 24)
37# define SSI_BREAKDETECTED (1 << 25)
38#define SSI_GDD_MPU_IRQ_STATUS_REG 0x0800
39#define SSI_GDD_MPU_IRQ_ENABLE_REG 0x0804
40# define SSI_GDD_LCH(channel) (1 << (channel))
41#define SSI_WAKE_REG(port) (0xc00 + ((port) * 0x10))
42#define SSI_CLEAR_WAKE_REG(port) (0xc04 + ((port) * 0x10))
43#define SSI_SET_WAKE_REG(port) (0xc08 + ((port) * 0x10))
44# define SSI_WAKE(channel) (1 << (channel))
45# define SSI_WAKE_MASK 0xff
46
47/*
48 * SSI SST registers
49 */
50#define SSI_SST_ID_REG 0
51#define SSI_SST_MODE_REG 4
52# define SSI_MODE_VAL_MASK 3
53# define SSI_MODE_SLEEP 0
54# define SSI_MODE_STREAM 1
55# define SSI_MODE_FRAME 2
56# define SSI_MODE_MULTIPOINTS 3
57#define SSI_SST_FRAMESIZE_REG 8
58# define SSI_FRAMESIZE_DEFAULT 31
59#define SSI_SST_TXSTATE_REG 0xc
60# define SSI_TXSTATE_IDLE 0
61#define SSI_SST_BUFSTATE_REG 0x10
62# define SSI_FULL(channel) (1 << (channel))
63#define SSI_SST_DIVISOR_REG 0x18
64# define SSI_MAX_DIVISOR 127
65#define SSI_SST_BREAK_REG 0x20
66#define SSI_SST_CHANNELS_REG 0x24
67# define SSI_CHANNELS_DEFAULT 4
68#define SSI_SST_ARBMODE_REG 0x28
69# define SSI_ARBMODE_ROUNDROBIN 0
70# define SSI_ARBMODE_PRIORITY 1
71#define SSI_SST_BUFFER_CH_REG(channel) (0x80 + ((channel) * 4))
72#define SSI_SST_SWAPBUF_CH_REG(channel) (0xc0 + ((channel) * 4))
73
74/*
75 * SSI SSR registers
76 */
77#define SSI_SSR_ID_REG 0
78#define SSI_SSR_MODE_REG 4
79#define SSI_SSR_FRAMESIZE_REG 8
80#define SSI_SSR_RXSTATE_REG 0xc
81#define SSI_SSR_BUFSTATE_REG 0x10
82# define SSI_NOTEMPTY(channel) (1 << (channel))
83#define SSI_SSR_BREAK_REG 0x1c
84#define SSI_SSR_ERROR_REG 0x20
85#define SSI_SSR_ERRORACK_REG 0x24
86#define SSI_SSR_OVERRUN_REG 0x2c
87#define SSI_SSR_OVERRUNACK_REG 0x30
88#define SSI_SSR_TIMEOUT_REG 0x34
89# define SSI_TIMEOUT_DEFAULT 0
90#define SSI_SSR_CHANNELS_REG 0x28
91#define SSI_SSR_BUFFER_CH_REG(channel) (0x80 + ((channel) * 4))
92#define SSI_SSR_SWAPBUF_CH_REG(channel) (0xc0 + ((channel) * 4))
93
94/*
95 * SSI GDD registers
96 */
97#define SSI_GDD_HW_ID_REG 0
98#define SSI_GDD_PPORT_ID_REG 0x10
99#define SSI_GDD_MPORT_ID_REG 0x14
100#define SSI_GDD_PPORT_SR_REG 0x20
101#define SSI_GDD_MPORT_SR_REG 0x24
102# define SSI_ACTIVE_LCH_NUM_MASK 0xff
103#define SSI_GDD_TEST_REG 0x40
104# define SSI_TEST 1
105#define SSI_GDD_GCR_REG 0x100
106# define SSI_CLK_AUTOGATING_ON (1 << 3)
107# define SSI_FREE (1 << 2)
108# define SSI_SWITCH_OFF (1 << 0)
109#define SSI_GDD_GRST_REG 0x200
110# define SSI_SWRESET 1
111#define SSI_GDD_CSDP_REG(channel) (0x800 + ((channel) * 0x40))
112# define SSI_DST_BURST_EN_MASK 0xc000
113# define SSI_DST_SINGLE_ACCESS0 0
114# define SSI_DST_SINGLE_ACCESS (1 << 14)
115# define SSI_DST_BURST_4x32_BIT (2 << 14)
116# define SSI_DST_BURST_8x32_BIT (3 << 14)
117# define SSI_DST_MASK 0x1e00
118# define SSI_DST_MEMORY_PORT (8 << 9)
119# define SSI_DST_PERIPHERAL_PORT (9 << 9)
120# define SSI_SRC_BURST_EN_MASK 0x180
121# define SSI_SRC_SINGLE_ACCESS0 0
122# define SSI_SRC_SINGLE_ACCESS (1 << 7)
123# define SSI_SRC_BURST_4x32_BIT (2 << 7)
124# define SSI_SRC_BURST_8x32_BIT (3 << 7)
125# define SSI_SRC_MASK 0x3c
126# define SSI_SRC_MEMORY_PORT (8 << 2)
127# define SSI_SRC_PERIPHERAL_PORT (9 << 2)
128# define SSI_DATA_TYPE_MASK 3
129# define SSI_DATA_TYPE_S32 2
130#define SSI_GDD_CCR_REG(channel) (0x802 + ((channel) * 0x40))
131# define SSI_DST_AMODE_MASK (3 << 14)
132# define SSI_DST_AMODE_CONST 0
133# define SSI_DST_AMODE_POSTINC (1 << 12)
134# define SSI_SRC_AMODE_MASK (3 << 12)
135# define SSI_SRC_AMODE_CONST 0
136# define SSI_SRC_AMODE_POSTINC (1 << 12)
137# define SSI_CCR_ENABLE (1 << 7)
138# define SSI_CCR_SYNC_MASK 0x1f
139#define SSI_GDD_CICR_REG(channel) (0x804 + ((channel) * 0x40))
140# define SSI_BLOCK_IE (1 << 5)
141# define SSI_HALF_IE (1 << 2)
142# define SSI_TOUT_IE (1 << 0)
143#define SSI_GDD_CSR_REG(channel) (0x806 + ((channel) * 0x40))
144# define SSI_CSR_SYNC (1 << 6)
145# define SSI_CSR_BLOCK (1 << 5)
146# define SSI_CSR_HALF (1 << 2)
147# define SSI_CSR_TOUR (1 << 0)
148#define SSI_GDD_CSSA_REG(channel) (0x808 + ((channel) * 0x40))
149#define SSI_GDD_CDSA_REG(channel) (0x80c + ((channel) * 0x40))
150#define SSI_GDD_CEN_REG(channel) (0x810 + ((channel) * 0x40))
151#define SSI_GDD_CSAC_REG(channel) (0x818 + ((channel) * 0x40))
152#define SSI_GDD_CDAC_REG(channel) (0x81a + ((channel) * 0x40))
153#define SSI_GDD_CLNK_CTRL_REG(channel) (0x828 + ((channel) * 0x40))
154# define SSI_ENABLE_LNK (1 << 15)
155# define SSI_STOP_LNK (1 << 14)
156# define SSI_NEXT_CH_ID_MASK 0xf
157
158#endif /* __OMAP_SSI_REGS_H__ */
159

source code of linux/drivers/hsi/controllers/omap_ssi_regs.h