/* SPDX-License-Identifier: GPL-2.0-only */
/* Hardware definitions for SSI.
*
* Copyright (C) 2010 Nokia Corporation. All rights reserved.
*
* Contact: Carlos Chinea <[email protected]>
*/
#ifndef __OMAP_SSI_REGS_H__
#define __OMAP_SSI_REGS_H__
/*
* SSI SYS registers
*/
#define SSI_REVISION_REG 0
# define SSI_REV_MAJOR 0xf0
# define SSI_REV_MINOR 0xf
#define SSI_SYSCONFIG_REG 0x10
# define SSI_AUTOIDLE (1 << 0)
# define SSI_SOFTRESET (1 << 1)
# define SSI_SIDLEMODE_FORCE 0
# define SSI_SIDLEMODE_NO (1 << 3)
# define SSI_SIDLEMODE_SMART (1 << 4)
# define SSI_SIDLEMODE_MASK 0x18
# define SSI_MIDLEMODE_FORCE 0
# define SSI_MIDLEMODE_NO (1 << 12)
# define SSI_MIDLEMODE_SMART (1 << 13)
# define SSI_MIDLEMODE_MASK 0x3000
#define SSI_SYSSTATUS_REG 0x14
# define SSI_RESETDONE 1
#define SSI_MPU_STATUS_REG(port, irq) (0x808 + ((port) * 0x10) + ((irq) * 2))
#define SSI_MPU_ENABLE_REG(port, irq) (0x80c + ((port) * 0x10) + ((irq) * 8))
# define SSI_DATAACCEPT(channel) (1 << (channel))
# define SSI_DATAAVAILABLE(channel) (1 << ((channel) + 8))
# define SSI_DATAOVERRUN(channel) (1 << ((channel) + 16))
# define SSI_ERROROCCURED (1 << 24)
# define SSI_BREAKDETECTED (1 << 25)
#define SSI_GDD_MPU_IRQ_STATUS_REG 0x0800
#define SSI_GDD_MPU_IRQ_ENABLE_REG 0x0804
# define SSI_GDD_LCH(channel) (1 << (channel))
#define SSI_WAKE_REG(port) (0xc00 + ((port) * 0x10))
#define SSI_CLEAR_WAKE_REG(port) (0xc04 + ((port) * 0x10))
#define SSI_SET_WAKE_REG(port) (0xc08 + ((port) * 0x10))
# define SSI_WAKE(channel) (1 << (channel))
# define SSI_WAKE_MASK 0xff
/*
* SSI SST registers
*/
#define SSI_SST_ID_REG 0
#define SSI_SST_MODE_REG 4
# define SSI_MODE_VAL_MASK 3
# define SSI_MODE_SLEEP 0
# define SSI_MODE_STREAM 1
# define SSI_MODE_FRAME 2
# define SSI_MODE_MULTIPOINTS 3
#define SSI_SST_FRAMESIZE_REG 8
# define SSI_FRAMESIZE_DEFAULT 31
#define SSI_SST_TXSTATE_REG 0xc
# define SSI_TXSTATE_IDLE 0
#define SSI_SST_BUFSTATE_REG 0x10
# define SSI_FULL(channel) (1 << (channel))
#define SSI_SST_DIVISOR_REG 0x18
# define SSI_MAX_DIVISOR 127
#define SSI_SST_BREAK_REG 0x20
#define SSI_SST_CHANNELS_REG 0x24
# define SSI_CHANNELS_DEFAULT 4
#define SSI_SST_ARBMODE_REG 0x28
# define SSI_ARBMODE_ROUNDROBIN 0
# define SSI_ARBMODE_PRIORITY 1
#define SSI_SST_BUFFER_CH_REG(channel) (0x80 + ((channel) * 4))
#define SSI_SST_SWAPBUF_CH_REG(channel) (0xc0 + ((channel) * 4))
/*
* SSI SSR registers
*/
#define SSI_SSR_ID_REG 0
#define SSI_SSR_MODE_REG 4
#define SSI_SSR_FRAMESIZE_REG 8
#define SSI_SSR_RXSTATE_REG 0xc
#define SSI_SSR_BUFSTATE_REG 0x10
# define SSI_NOTEMPTY(channel) (1 << (channel))
#define SSI_SSR_BREAK_REG 0x1c
#define SSI_SSR_ERROR_REG 0x20
#define SSI_SSR_ERRORACK_REG 0x24
#define SSI_SSR_OVERRUN_REG 0x2c
#define SSI_SSR_OVERRUNACK_REG 0x30
#define SSI_SSR_TIMEOUT_REG 0x34
# define SSI_TIMEOUT_DEFAULT 0
#define SSI_SSR_CHANNELS_REG 0x28
#define SSI_SSR_BUFFER_CH_REG(channel) (0x80 + ((channel) * 4))
#define SSI_SSR_SWAPBUF_CH_REG(channel) (0xc0 + ((channel) * 4))
/*
* SSI GDD registers
*/
#define SSI_GDD_HW_ID_REG 0
#define SSI_GDD_PPORT_ID_REG 0x10
#define SSI_GDD_MPORT_ID_REG 0x14
#define SSI_GDD_PPORT_SR_REG 0x20
#define SSI_GDD_MPORT_SR_REG 0x24
# define SSI_ACTIVE_LCH_NUM_MASK 0xff
#define SSI_GDD_TEST_REG 0x40
# define SSI_TEST 1
#define SSI_GDD_GCR_REG 0x100
# define SSI_CLK_AUTOGATING_ON (1 << 3)
# define SSI_FREE (1 << 2)
# define SSI_SWITCH_OFF (1 << 0)
#define SSI_GDD_GRST_REG 0x200
# define SSI_SWRESET 1
#define SSI_GDD_CSDP_REG(channel) (0x800 + ((channel) * 0x40))
# define SSI_DST_BURST_EN_MASK 0xc000
# define SSI_DST_SINGLE_ACCESS0 0
# define SSI_DST_SINGLE_ACCESS (1 << 14)
# define SSI_DST_BURST_4x32_BIT (2 << 14)
# define SSI_DST_BURST_8x32_BIT (3 << 14)
# define SSI_DST_MASK 0x1e00
# define SSI_DST_MEMORY_PORT (8 << 9)
# define SSI_DST_PERIPHERAL_PORT (9 << 9)
# define SSI_SRC_BURST_EN_MASK 0x180
# define SSI_SRC_SINGLE_ACCESS0 0
# define SSI_SRC_SINGLE_ACCESS (1 << 7)
# define SSI_SRC_BURST_4x32_BIT (2 << 7)
# define SSI_SRC_BURST_8x32_BIT (3 << 7)
# define SSI_SRC_MASK 0x3c
# define SSI_SRC_MEMORY_PORT (8 << 2)
# define SSI_SRC_PERIPHERAL_PORT (9 << 2)
# define SSI_DATA_TYPE_MASK 3
# define SSI_DATA_TYPE_S32 2
#define SSI_GDD_CCR_REG(channel) (0x802 + ((channel) * 0x40))
# define SSI_DST_AMODE_MASK (3 << 14)
# define SSI_DST_AMODE_CONST 0
# define SSI_DST_AMODE_POSTINC (1 << 12)
# define SSI_SRC_AMODE_MASK (3 << 12)
# define SSI_SRC_AMODE_CONST 0
# define SSI_SRC_AMODE_POSTINC (1 << 12)
# define SSI_CCR_ENABLE (1 << 7)
# define SSI_CCR_SYNC_MASK 0x1f
#define SSI_GDD_CICR_REG(channel) (0x804 + ((channel) * 0x40))
# define SSI_BLOCK_IE (1 << 5)
# define SSI_HALF_IE (1 << 2)
# define SSI_TOUT_IE (1 << 0)
#define SSI_GDD_CSR_REG(channel) (0x806 + ((channel) * 0x40))
# define SSI_CSR_SYNC (1 << 6)
# define SSI_CSR_BLOCK (1 << 5)
# define SSI_CSR_HALF (1 << 2)
# define SSI_CSR_TOUR (1 << 0)
#define SSI_GDD_CSSA_REG(channel) (0x808 + ((channel) * 0x40))
#define SSI_GDD_CDSA_REG(channel) (0x80c + ((channel) * 0x40))
#define SSI_GDD_CEN_REG(channel) (0x810 + ((channel) * 0x40))
#define SSI_GDD_CSAC_REG(channel) (0x818 + ((channel) * 0x40))
#define SSI_GDD_CDAC_REG(channel) (0x81a + ((channel) * 0x40))
#define SSI_GDD_CLNK_CTRL_REG(channel) (0x828 + ((channel) * 0x40))
# define SSI_ENABLE_LNK (1 << 15)
# define SSI_STOP_LNK (1 << 14)
# define SSI_NEXT_CH_ID_MASK 0xf
#endif /* __OMAP_SSI_REGS_H__ */
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