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