mirror of
https://github.com/pvvx/ESP8266.git
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143 lines
4.0 KiB
C
143 lines
4.0 KiB
C
/*
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* Copyright (c) 2011 - 2013 Espressif System.
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*
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* Serial I/F wrapper layer for eagle WLAN device,
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* abstraction of buses like SDIO/SIP, and provides
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* flow control for tx/rx layer
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*
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*/
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#ifndef _ESP_SIF_H_
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#define _ESP_SIF_H_
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#include "esp_pub.h"
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#include <linux/mmc/host.h>
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/*
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* H/W SLC module definitions
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*/
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#define SIF_SLC_BLOCK_SIZE 512
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#define SIF_DMA_BUFFER_SIZE (64 * 1024)
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/* to make the last byte located at :xffff, increase 1 byte here */
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//#define SIF_SLC_WINDOW_END_ADDR (0xffff + 1)
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//#define SIF_SLC_WINDOW_END_ADDR (0x1ffff + 1 - 0x800)
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#define SIF_MAX_SCATTER_REQUESTS 4
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#define SIF_MAX_SCATTER_ENTRIES_PER_REQ 16
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#define SIF_MAX_SCATTER_REQ_TRANSFER_SIZE (32 * 1024)
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/* SIF bus request */
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#define SIF_REQ_MAX_NUM 64
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/* S/W struct mapping to slc registers */
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typedef struct slc_host_regs {
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/* do NOT read token_rdata
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*
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u32 pf_data;
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u32 token_rdata;
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*/
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u32 intr_raw;
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u32 state_w0;
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u32 state_w1;
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u32 config_w0;
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u32 config_w1;
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u32 intr_status;
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u32 config_w2;
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u32 config_w3;
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u32 config_w4;
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u32 token_wdata;
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u32 intr_clear;
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u32 intr_enable;
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} sif_slc_reg_t;
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struct sif_req {
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struct list_head list;
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u32 address;
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u8 *buffer;
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u32 length;
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u32 flag;
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int status;
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void * context;
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};
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#define SIF_TO_DEVICE 0x1
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#define SIF_FROM_DEVICE 0x2
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#define SIF_SYNC 0x00000010
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#define SIF_ASYNC 0x00000020
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#define SIF_BYTE_BASIS 0x00000040
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#define SIF_BLOCK_BASIS 0x00000080
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#define SIF_FIXED_ADDR 0x00000100
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#define SIF_INC_ADDR 0x00000200
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static void inline sif_setup_req(struct sif_req *req, u32 addr, u32 flag, u32 len,
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u8 * buf, void *context)
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{
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req->address = addr;
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req->flag = flag;
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req->length = len;
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req->buffer = buf;
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req->context = context;
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}
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void sdio_io_writeb(struct esp_pub *epub, u8 value, int addr, int *res);
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u8 sdio_io_readb(struct esp_pub *epub, int addr, int *res);
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void sif_enable_irq(struct esp_pub *epub);
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void sif_disable_irq(struct esp_pub *epub);
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void sif_disable_target_interrupt(struct esp_pub *epub);
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int sif_io_raw(struct esp_pub *epub, u32 addr, u8 *buf, u32 len, u32 flag);
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int sif_io_sync(struct esp_pub *epub, u32 addr, u8 *buf, u32 len, u32 flag);
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int sif_io_async(struct esp_pub *epub, u32 addr, u8 *buf, u32 len, u32 flag, void * context);
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u32 sif_get_blksz(struct esp_pub *epub);
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u32 sif_get_target_id(struct esp_pub *epub);
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int sif_lldesc_read_sync(struct esp_pub *epub, u8 *buf, u32 len);
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int sif_lldesc_write_sync(struct esp_pub *epub, u8 *buf, u32 len);
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int sif_lldesc_read_raw(struct esp_pub *epub, u8 *buf, u32 len, bool noround);
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int sif_lldesc_write_raw(struct esp_pub *epub, u8 *buf, u32 len);
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struct slc_host_regs * sif_get_regs(struct esp_pub *epub);
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void sif_lock_bus(struct esp_pub *epub);
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void sif_unlock_bus(struct esp_pub *epub);
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void sif_platform_target_poweroff(void);
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void sif_platform_target_poweron(void);
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void sif_platform_target_speed(int high_speed);
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void sif_platform_reset_target(void);
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void sif_platform_rescan_card(unsigned insert);
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void sif_raw_dummy_read(struct esp_pub *epub);
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void sif_record_bt_config(int value);
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int sif_get_bt_config(void);
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void sif_record_rst_config(int value);
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int sif_get_rst_config(void);
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void sif_record_retry_config(void);
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int sif_get_retry_config(void);
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#ifdef ESP_ACK_INTERRUPT
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//extern void sif_platform_ack_interrupt(struct mmc_host *mmc);
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extern void sif_platform_ack_interrupt(struct esp_pub *epub);
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#endif //ESP_ACK_INTERRUPT
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#define sif_reg_read_sync(epub, addr, buf, len) sif_io_sync((epub), (addr), (buf), (len), SIF_FROM_DEVICE | SIF_BYTE_BASIS | SIF_INC_ADDR)
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#define sif_reg_write_sync(epub, addr, buf, len) sif_io_sync((epub), (addr), (buf), (len), SIF_TO_DEVICE | SIF_BYTE_BASIS | SIF_INC_ADDR)
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#endif /* _ESP_SIF_H_ */
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