/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2008 Christian Lamparter <chunkeey@web.de> * * This driver is a port from stlc45xx: * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). */ #ifndef P54SPI_H #define P54SPI_H #include <linux/mutex.h> #include <linux/list.h> #include <net/mac80211.h> #include "p54.h" /* Bit 15 is read/write bit; ON = READ, OFF = WRITE */ #define SPI_ADRS_READ_BIT_15 0x8000 #define SPI_ADRS_ARM_INTERRUPTS 0x00 #define SPI_ADRS_ARM_INT_EN 0x04 #define SPI_ADRS_HOST_INTERRUPTS 0x08 #define SPI_ADRS_HOST_INT_EN 0x0c #define SPI_ADRS_HOST_INT_ACK 0x10 #define SPI_ADRS_GEN_PURP_1 0x14 #define SPI_ADRS_GEN_PURP_2 0x18 #define SPI_ADRS_DEV_CTRL_STAT 0x26 /* high word */ #define SPI_ADRS_DMA_DATA 0x28 #define SPI_ADRS_DMA_WRITE_CTRL 0x2c #define SPI_ADRS_DMA_WRITE_LEN 0x2e #define SPI_ADRS_DMA_WRITE_BASE 0x30 #define SPI_ADRS_DMA_READ_CTRL 0x34 #define SPI_ADRS_DMA_READ_LEN 0x36 #define SPI_ADRS_DMA_READ_BASE 0x38 #define SPI_CTRL_STAT_HOST_OVERRIDE 0x8000 #define SPI_CTRL_STAT_START_HALTED 0x4000 #define SPI_CTRL_STAT_RAM_BOOT 0x2000 #define SPI_CTRL_STAT_HOST_RESET 0x1000 #define SPI_CTRL_STAT_HOST_CPU_EN 0x0800 #define SPI_DMA_WRITE_CTRL_ENABLE 0x0001 #define SPI_DMA_READ_CTRL_ENABLE 0x0001 #define HOST_ALLOWED (1 << 7) #define SPI_TIMEOUT 100 /* msec */ #define SPI_MAX_TX_PACKETS 32 #define SPI_MAX_PACKET_SIZE 32767 #define SPI_TARGET_INT_WAKEUP 0x00000001 #define SPI_TARGET_INT_SLEEP 0x00000002 #define SPI_TARGET_INT_RDDONE 0x00000004 #define SPI_TARGET_INT_CTS 0x00004000 #define SPI_TARGET_INT_DR 0x00008000 #define SPI_HOST_INT_READY 0x00000001 #define SPI_HOST_INT_WR_READY 0x00000002 #define SPI_HOST_INT_SW_UPDATE 0x00000004 #define SPI_HOST_INT_UPDATE 0x10000000 /* clear to send */ #define SPI_HOST_INT_CR 0x00004000 /* data ready */ #define SPI_HOST_INT_DR 0x00008000 #define SPI_HOST_INTS_DEFAULT \ (SPI_HOST_INT_READY | SPI_HOST_INT_UPDATE | SPI_HOST_INT_SW_UPDATE) #define TARGET_BOOT_SLEEP 50 struct p54s_dma_regs { __le16 cmd; __le16 len; __le32 addr; } __packed; struct p54s_tx_info { struct list_head tx_list; }; struct p54s_priv { /* p54_common has to be the first entry */ struct p54_common common; struct ieee80211_hw *hw; struct spi_device *spi; struct work_struct work; struct mutex mutex; struct completion fw_comp; spinlock_t tx_lock; /* protected by tx_lock */ struct list_head tx_pending; enum fw_state fw_state; const struct firmware *firmware; }; #endif /* P54SPI_H */