346 lines
10 KiB
C
346 lines
10 KiB
C
#ifndef __SPI_H__
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#define __SPI_H__
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#include "typedef.h"
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#include "generic/ioctl.h"
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#define SPI_MAX_SIZE (0x7FFFFFFF - 1)//(2^31 - 1)//由于该宏可能赋值给有符合变量，因此使用2^31 - 1
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/*enum spi_mode {
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SPI_2WIRE_MODE,
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SPI_STD_MODE,
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SPI_DUAL_MODE,
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SPI_QUAD_MODE,
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};*/
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#define SPI_MODE_SLAVE BIT(0)
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#define SPI_UPDATE_SAMPLE_SAME BIT(1)
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#define SPI_SCLK_H_UPH_SMPL BIT(2)//CLK空闲H,上升沿更新数据，下降沿采样数据
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#define SPI_SCLK_H_UPL_SMPH BIT(3)//CLK空闲H,下降沿更新数据，上升沿采样数据
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#define SPI_SCLK_H_UPH_SMPH BIT(4)//CLK空闲H,上升沿更新数据，上升沿采样数据
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#define SPI_SCLK_H_UPL_SMPL BIT(5)//CLK空闲H,下降沿更新数据，下降沿采样数据
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#define SPI_SCLK_L_UPH_SMPL BIT(6)//CLK空闲L,上升沿更新数据，下降沿采样数据
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#define SPI_SCLK_L_UPL_SMPH BIT(7)//CLK空闲L,下降沿更新数据，上升沿采样数据
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#define SPI_SCLK_L_UPH_SMPH BIT(8)//CLK空闲L,上升沿更新数据，上升沿采样数据
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#define SPI_SCLK_L_UPL_SMPL BIT(9)//CLK空闲L,下降沿更新数据，下降沿采样数据
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#define SPI_UNIDIR_MODE BIT(10) //单向：只用SPI_DO一根线数据传输（一般只用于作为从机接收数据）
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#define SPI_BIDIR_MODE BIT(11) //双向：用SPI_DO/DI两根线数据传输
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#define SPI_SCLK_PORT_HD BIT(13) //SPI CLK时钟开启强电流强驱
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#define IOCTL_SPI_SET_CS _IOW('S', 1, u8)
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#define IOCTL_SPI_SEND_BYTE _IOW('S', 2, u8)
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#define IOCTL_SPI_SEND_CMD_2BIT_MODE _IOW('S', 3, u32)
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#define IOCTL_SPI_GET_BIT_MODE _IOW('S', 4, u32)
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#define IOCTL_SPI_READ_BYTE _IOW('S', 5, u8)
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#define IOCTL_SPI_SET_CRC _IOW('S', 6, u16)
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#define IOCTL_SPI_READ_CRC _IOR('S', 7, u16)
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#define IOCTL_SFC_SEND_ADDR _IOW('S', 8, u32)
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#define IOCTL_SFC_SWITCH_TO_SPI _IOW('S', 9, u32)
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#define IOCTL_SFC_DATA_UPDATE _IOW('S', 10, u32)
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#define IOCTL_SFC_DATA_ERASE _IOW('S', 11, u32)
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#define IOCTL_SPI_SET_IRQ_CPU_ID _IOW('S', 12, u32)
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#define IOCTL_SPI_SET_USER_INFO _IOW('S', 13, u32)
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#define IOCTL_SPI_READ_DATA _IOR('S', 13, u32)
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#define IOCTL_SPI_FREE_DATA _IOW('S', 14, u32)
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#define IOCTL_SPI_SET_CB _IOW('S', 15, u32)
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#define IOCTL_SPI_SET_USE_SEM _IOW('S', 16, u32)
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#define IOCTL_SPI_SET_IRQ_FUNC _IOW('S', 17, u32)
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#define IOCTL_SPI_SET_BIT_MODE _IOW('S', 18, u32)
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//SPI同一组多ABC口同时使用时切换口命令，使用示例：ioctl(spi_hdl, IOCTL_SPI_SET_PORT, 0);
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#define IOCTL_SPI_SET_PORT _IOW('S', 19, u32)
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//非阻塞方式发包
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#define IOCTL_SPI_NON_BLOCK _IOW('S', 20, u32)
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//休眠前需要调用这个当使用非阻塞方式发包时候
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#define IOCTL_SPI_WRITE_NON_BLOCK_FLUSH _IOW('S', 21, u32)
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//获取spi配置是否阻塞发送
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#define IOCTL_SPI_GET_NON_BLOCK _IOR('S', 22, u32)
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#define IOCTL_SPI_SET_THRESHOLD_SEM_WAIT _IOW('S', 23, u32)
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struct spi_io {
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u8 cs_pin;
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u8 di_pin;
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u8 do_pin;
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u8 clk_pin;
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u8 d2_pin;
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u8 d3_pin;
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};
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struct spi_2bit_data {
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u32 len;
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u8 *buf;
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};
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struct spi_user {
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u8 *buf;
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u32 buf_size;
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u32 dma_max_cnt;
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u32 first_dma_size;
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u32 block_size;
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};
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struct spi_cb {
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int (*cb_func)(void *priv, u8 **data, u32 *len);
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void *cb_priv;
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};
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struct spi_block {
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volatile u8 *buf;
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volatile u32 buf_size;
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volatile u32 block_num;
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volatile u32 dma_max_cnt;
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volatile u32 first_dma_size;
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volatile u32 block_size;
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volatile u32 dma_size;
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volatile u32 wblock;
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volatile u32 rblock;
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volatile u32 free_size;
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volatile u8 start;
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};
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struct spi_regs {
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volatile u32 con;
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volatile u8 baud;
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volatile u8 reg1[3];
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volatile u8 buf;
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volatile u8 reg2[3];
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volatile u32 adr;
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volatile u32 cnt;
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};
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struct sfc_regs {
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volatile u32 con;
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volatile u16 baud;
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volatile u32 reserved0;
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volatile u32 base_addr;
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volatile u32 reserved1;
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volatile u32 econ;
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};
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struct spi_platform_data {
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u8 port;
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u8 mode;
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u8 irq;
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u32 attr;
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u32 clk;
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const struct spi_io *io;
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volatile struct spi_regs *reg;
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void (*init)(const struct spi_platform_data *);
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};
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struct sfc_spi_platform_data {
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u8 mode;
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u8 ro_mode;
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u32 clk;
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const struct spi_io *io;
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volatile struct spi_regs *spi_reg;
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volatile struct sfc_regs *sfc_reg;
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};
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struct sfc_spi_data {
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u32 addr;
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u32 len;
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};
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#define SPI0_PLATFORM_DATA_BEGIN(spi0_data) \
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static const struct spi_io spi0_data##_io[] = { \
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{ \
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.cs_pin = IO_PORTD_00, \
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.di_pin = IO_PORTD_01, \
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.do_pin = IO_PORTD_05, \
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.clk_pin = IO_PORTD_04, \
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.d2_pin = IO_PORTD_02, \
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.d3_pin = IO_PORTD_03, \
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}, \
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{ \
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.cs_pin = IO_PORTC_05, \
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.di_pin = IO_PORTC_00, \
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.do_pin = IO_PORTC_04, \
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.clk_pin = IO_PORTC_03, \
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.d2_pin = IO_PORTC_01, \
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.d3_pin = IO_PORTC_02, \
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}, \
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}; \
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static void spi0_data##_iomc_init(const struct spi_platform_data *pd) \
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{ \
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JL_IOMAP->CON1 &= ~BIT(1); \
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if (pd->port == 'A') { \
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JL_IOMAP->CON0 &= ~BIT(5); \
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} else { \
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JL_IOMAP->CON0 |= BIT(5); \
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} \
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}\
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static const struct spi_platform_data spi0_data = { \
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.irq = IRQ_SPI0_IDX, \
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.io = spi0_data##_io, \
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.init = spi0_data##_iomc_init, \
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#define SPI0_PLATFORM_DATA_END() \
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.reg = (volatile struct spi_regs *)&JL_SPI0->CON, \
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};
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#define SFC_SPI_PLATFORM_DATA_BEGIN(sfc_spi0_data) \
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static const struct spi_io sfc_spi0_io = { \
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.cs_pin = IO_PORTD_00, \
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.di_pin = IO_PORTD_01, \
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.do_pin = IO_PORTD_05, \
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.clk_pin = IO_PORTD_04, \
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.d2_pin = IO_PORTD_02, \
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.d3_pin = IO_PORTD_03, \
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}; \
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static const struct sfc_spi_platform_data sfc_spi0_data = { \
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#define SFC_SPI_PLATFORM_DATA_END() \
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.io = &sfc_spi0_io, \
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.spi_reg = (volatile struct spi_regs *)&JL_SPI0->CON, \
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.sfc_reg = (volatile struct sfc_regs *)&JL_SFC->CON, \
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};
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#define SPI1_PLATFORM_DATA_BEGIN(spi1_data) \
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static const struct spi_io spi1_data##_io[] = { \
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{ \
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.cs_pin = -1, \
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.di_pin = IO_PORTB_05, \
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.do_pin = IO_PORTB_07, \
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.clk_pin = IO_PORTB_06, \
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.d2_pin = -1, \
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.d3_pin = -1, \
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}, \
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{ \
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.cs_pin = -1, \
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.di_pin = IO_PORTC_08, \
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.do_pin = IO_PORTC_10, \
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.clk_pin = IO_PORTC_09, \
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.d2_pin = -1, \
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.d3_pin = -1, \
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}, \
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}; \
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static void spi1_data##_iomc_init(const struct spi_platform_data *pd) \
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{ \
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if (pd->port == 'A') { \
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JL_IOMAP->CON1 &= ~BIT(4); \
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} else { \
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JL_IOMAP->CON1 |= BIT(4); \
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} \
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}\
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static const struct spi_platform_data spi1_data = { \
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.irq = IRQ_SPI1_IDX, \
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.io = spi1_data##_io, \
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.init = spi1_data##_iomc_init, \
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#define SPI1_PLATFORM_DATA_END() \
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.reg = (volatile struct spi_regs *)&JL_SPI1->CON, \
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};
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#define SPI2_PLATFORM_DATA_BEGIN(spi2_data) \
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static const struct spi_io spi2_data##_io[] = { \
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{ \
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.cs_pin = -1, \
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.di_pin = IO_PORTH_02, \
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.do_pin = IO_PORTH_01, \
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.clk_pin = IO_PORTH_00, \
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.d2_pin = -1, \
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.d3_pin = -1, \
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}, \
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{ \
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.cs_pin = -1, \
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.di_pin = IO_PORTG_15, \
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.do_pin = IO_PORT_USB_DMA, \
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.clk_pin = IO_PORT_USB_DPA, \
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.d2_pin = -1, \
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.d3_pin = -1, \
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}, \
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{ \
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.cs_pin = -1, \
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.di_pin = IO_PORTA_02, \
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.do_pin = IO_PORTA_04, \
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.clk_pin = IO_PORTA_03, \
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.d2_pin = -1, \
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.d3_pin = -1, \
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}, \
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}; \
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static void spi2_data##_iomc_init(const struct spi_platform_data *pd) \
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{ \
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JL_IOMAP->CON1 &= ~(BIT(16) | BIT(17)); \
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if (pd->port == 'B') { \
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JL_IOMAP->CON1 |= BIT(16); \
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} else if (pd->port == 'C') { \
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JL_IOMAP->CON1 |= BIT(17); \
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} \
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}\
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static const struct spi_platform_data spi2_data = { \
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.irq = IRQ_SPI2_IDX, \
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.io = spi2_data##_io, \
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.init = spi2_data##_iomc_init, \
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#define SPI2_PLATFORM_DATA_END() \
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.reg = (volatile struct spi_regs *)&JL_SPI2->CON, \
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};
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#define SPI3_PLATFORM_DATA_BEGIN(spi3_data) \
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static const struct spi_io spi3_data##_io[] = { \
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{ \
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.cs_pin = IO_PORTG_04, \
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.di_pin = IO_PORTG_05, \
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.do_pin = IO_PORTG_07, \
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.clk_pin = IO_PORTG_03, \
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.d2_pin = IO_PORTG_06, \
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.d3_pin = IO_PORTG_02, \
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}, \
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{ \
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.cs_pin = IO_PORTG_11, \
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.di_pin = IO_PORTG_12, \
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.do_pin = IO_PORTG_14, \
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.clk_pin = IO_PORTG_10, \
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.d2_pin = IO_PORTG_13, \
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.d3_pin = IO_PORTG_09, \
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}, \
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}; \
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static void spi3_data##_iomc_init(const struct spi_platform_data *pd) \
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{ \
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if (pd->port == 'A') { \
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JL_IOMAP->CON0 &= ~BIT(15); \
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} else { \
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JL_IOMAP->CON0 |= BIT(15); \
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} \
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}\
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static const struct spi_platform_data spi3_data = { \
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.irq = IRQ_SPI3_IDX, \
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.io = spi3_data##_io, \
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.init = spi3_data##_iomc_init, \
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#define SPI3_PLATFORM_DATA_END() \
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.reg = (volatile struct spi_regs *)&JL_SPI3->CON, \
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};
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extern const struct device_operations spi_dev_ops;
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extern const struct device_operations sfc_spi_dev_ops;
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#endif
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