summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/eagle/esp_sif.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/eagle/esp_sif.h')
-rwxr-xr-xdrivers/net/wireless/eagle/esp_sif.h274
1 files changed, 274 insertions, 0 deletions
diff --git a/drivers/net/wireless/eagle/esp_sif.h b/drivers/net/wireless/eagle/esp_sif.h
new file mode 100755
index 00000000..940cecfe
--- /dev/null
+++ b/drivers/net/wireless/eagle/esp_sif.h
@@ -0,0 +1,274 @@
+/*
+ * Copyright (c) 2011 - 2013 Espressif System.
+ *
+ * Serial I/F wrapper layer for eagle WLAN device,
+ * abstraction of buses like SDIO/SIP, and provides
+ * flow control for tx/rx layer
+ *
+ */
+
+#ifndef _ESP_SIF_H_
+#define _ESP_SIF_H_
+
+#include "esp_pub.h"
+#include <linux/mmc/host.h>
+#include <linux/spi/spi.h>
+
+/*
+ * H/W SLC module definitions
+ */
+
+#define SIF_SLC_BLOCK_SIZE 512
+
+#define SIF_DMA_BUFFER_SIZE (64 * 1024)
+
+/* to make the last byte located at :xffff, increase 1 byte here */
+//#define SIF_SLC_WINDOW_END_ADDR (0xffff + 1)
+//#define SIF_SLC_WINDOW_END_ADDR (0x1ffff + 1 - 0x800)
+
+#define SIF_MAX_SCATTER_REQUESTS 4
+#define SIF_MAX_SCATTER_ENTRIES_PER_REQ 16
+#define SIF_MAX_SCATTER_REQ_TRANSFER_SIZE (32 * 1024)
+
+
+/* SIF bus request */
+#define SIF_REQ_MAX_NUM 64
+
+/* S/W struct mapping to slc registers */
+typedef struct slc_host_regs {
+ /* do NOT read token_rdata
+ *
+ u32 pf_data;
+ u32 token_rdata;
+ */
+ u32 intr_raw;
+ u32 state_w0;
+ u32 state_w1;
+ u32 config_w0;
+ u32 config_w1;
+ u32 intr_status;
+ u32 config_w2;
+ u32 config_w3;
+ u32 config_w4;
+ u32 token_wdata;
+ u32 intr_clear;
+ u32 intr_enable;
+} sif_slc_reg_t;
+
+
+struct sif_req {
+ struct list_head list;
+
+ u32 address;
+
+ u8 *buffer;
+ u32 length;
+ u32 flag;
+ int status;
+ void * context;
+};
+
+enum io_sync_type {
+ ESP_SIF_NOSYNC = 0,
+ ESP_SIF_SYNC,
+};
+
+#ifdef ESP_USE_SDIO
+typedef struct esp_sdio_ctrl {
+ struct sdio_func *func;
+#else
+typedef struct esp_spi_ctrl {
+ struct spi_device *spi;
+#endif
+ struct esp_pub *epub;
+
+
+ struct list_head free_req;
+ struct sif_req reqs[SIF_REQ_MAX_NUM];
+
+ u8 *dma_buffer;
+
+ spinlock_t scat_lock;
+ struct list_head scat_req;
+
+ bool off;
+ atomic_t irq_handling;
+#ifdef ESP_USE_SDIO
+ const struct sdio_device_id *id;
+#else
+ const struct spi_device_id *id;
+#endif
+ u32 slc_blk_sz;
+ u32 target_id;
+ u32 slc_window_end_addr;
+
+ struct slc_host_regs slc_regs;
+ atomic_t irq_installed;
+
+#ifdef ESP_USE_SDIO
+} esp_sdio_ctrl_t;
+#else
+} esp_spi_ctrl_t;
+#endif
+
+#define SIF_TO_DEVICE 0x1
+#define SIF_FROM_DEVICE 0x2
+
+#define SIF_SYNC 0x00000010
+#define SIF_ASYNC 0x00000020
+
+#define SIF_BYTE_BASIS 0x00000040
+#define SIF_BLOCK_BASIS 0x00000080
+
+#define SIF_FIXED_ADDR 0x00000100
+#define SIF_INC_ADDR 0x00000200
+
+#ifdef ESP_USE_SDIO
+#define EPUB_CTRL_CHECK(_epub) do{\
+ASSERT((_epub) != NULL);\
+ASSERT((_epub)->sif != NULL);\
+}while(0)
+
+#define EPUB_FUNC_CHECK(_epub) do{\
+ASSERT((_epub) != NULL);\
+ASSERT((_epub)->sif != NULL);\
+ASSERT(((struct esp_sdio_ctrl *)(_epub)->sif)->func != NULL);\
+}while(0)
+
+#define EPUB_TO_CTRL(_epub) (((struct esp_sdio_ctrl *)(_epub)->sif))
+
+#define EPUB_TO_FUNC(_epub) (((struct esp_sdio_ctrl *)(_epub)->sif)->func)
+#endif
+
+
+#ifdef ESP_USE_SPI
+#define EPUB_CTRL_CHECK(_epub) do{\
+ASSERT((_epub) != NULL);\
+ASSERT((_epub)->sif != NULL);\
+}while(0)
+
+#define EPUB_FUNC_CHECK(_epub) do{\
+ASSERT((_epub) != NULL);\
+ASSERT((_epub)->sif != NULL);\
+ASSERT(((struct esp_spi_ctrl *)(_epub)->sif)->spi != NULL);\
+}while(0)
+
+#define EPUB_TO_CTRL(_epub) (((struct esp_spi_ctrl *)(_epub)->sif))
+
+#define EPUB_TO_FUNC(_epub) (((struct esp_spi_ctrl *)(_epub)->sif)->spi)
+#endif
+
+static void inline sif_setup_req(struct sif_req *req, u32 addr, u32 flag, u32 len,
+ u8 * buf, void *context)
+{
+ req->address = addr;
+ req->flag = flag;
+ req->length = len;
+ req->buffer = buf;
+ req->context = context;
+}
+
+void sdio_io_writeb(struct esp_pub *epub, u8 value, int addr, int *res);
+u8 sdio_io_readb(struct esp_pub *epub, int addr, int *res);
+
+
+void sif_enable_irq(struct esp_pub *epub);
+void sif_disable_irq(struct esp_pub *epub);
+void sif_disable_target_interrupt(struct esp_pub *epub);
+
+u32 sif_get_blksz(struct esp_pub *epub);
+u32 sif_get_target_id(struct esp_pub *epub);
+
+#ifdef ESP_USE_SDIO
+void sif_dsr(struct sdio_func *func);
+int sif_io_raw(struct esp_pub *epub, u32 addr, u8 *buf, u32 len, u32 flag);
+int sif_io_sync(struct esp_pub *epub, u32 addr, u8 *buf, u32 len, u32 flag);
+int sif_io_async(struct esp_pub *epub, u32 addr, u8 *buf, u32 len, u32 flag, void * context);
+int sif_lldesc_read_sync(struct esp_pub *epub, u8 *buf, u32 len);
+int sif_lldesc_write_sync(struct esp_pub *epub, u8 *buf, u32 len);
+int sif_lldesc_read_raw(struct esp_pub *epub, u8 *buf, u32 len, bool noround);
+int sif_lldesc_write_raw(struct esp_pub *epub, u8 *buf, u32 len);
+void sif_platform_check_r1_ready(struct esp_pub *epub);
+#endif
+
+#ifdef ESP_USE_SPI
+enum if_check_idle {
+ NOT_CHECK_IDLE = 0,
+ CHECK_IDLE,
+};
+
+#ifdef REGISTER_SPI_BOARD_INFO
+void sif_platform_register_board_info(void);
+#endif
+
+void sif_dsr(struct spi_device *spi);
+int sif_spi_read_mix_nosync(struct spi_device *spi, unsigned int addr, unsigned char *buf, int len, int check_idle);
+int sif_spi_epub_read_mix_sync(struct esp_pub *epub, unsigned int addr,unsigned char *buf, int len, int check_idle);
+int sif_spi_epub_read_mix_nosync(struct esp_pub *epub, unsigned int addr,unsigned char *buf, int len, int check_idle);
+int sif_spi_read_sync(struct esp_pub *epub, unsigned char *buf, int len, int check_idle);
+int sif_spi_read_nosync(struct esp_pub *epub, unsigned char *buf, int len, int check_idle, bool noround);
+
+int sif_spi_write_mix_nosync(struct spi_device *spi, unsigned int addr, unsigned char *buf, int len, int check_idle);
+int sif_spi_epub_write_mix_sync(struct esp_pub *epub, unsigned int addr,unsigned char *buf, int len, int check_idle);
+int sif_spi_epub_write_mix_nosync(struct esp_pub *epub, unsigned int addr,unsigned char *buf, int len, int check_idle);
+int sif_spi_write_sync(struct esp_pub *epub, unsigned char *buf, int len, int check_idle);
+int sif_spi_write_nosync(struct esp_pub *epub, unsigned char *buf, int len, int check_idle);
+
+int sif_platform_get_irq_no(void);
+int sif_platform_is_irq_occur(void);
+void sif_platform_irq_clear(void);
+void sif_platform_irq_mask(int enable_mask);
+int sif_platform_irq_init(void);
+void sif_platform_irq_deinit(void);
+#endif
+
+int esp_common_read(struct esp_pub *epub, u8 *buf, u32 len, int sync, bool noround);
+int esp_common_write(struct esp_pub *epub, u8 *buf, u32 len, int sync);
+int esp_common_read_with_addr(struct esp_pub *epub, u32 addr, u8 *buf, u32 len, int sync);
+int esp_common_write_with_addr(struct esp_pub *epub, u32 addr, u8 *buf, u32 len, int sync);
+
+int esp_common_readbyte_with_addr(struct esp_pub *epub, u32 addr, u8 *buf, int sync);
+int esp_common_writebyte_with_addr(struct esp_pub *epub, u32 addr, u8 buf, int sync);
+
+struct slc_host_regs * sif_get_regs(struct esp_pub *epub);
+
+void sif_lock_bus(struct esp_pub *epub);
+void sif_unlock_bus(struct esp_pub *epub);
+
+void sif_platform_target_poweroff(void);
+void sif_platform_target_poweron(void);
+void sif_platform_target_speed(int high_speed);
+
+void sif_platform_reset_target(void);
+void sif_platform_rescan_card(unsigned insert);
+
+int sif_interrupt_target(struct esp_pub *epub, u8 index);
+#ifdef USE_EXT_GPIO
+int sif_config_gpio_mode(struct esp_pub *epub, u8 gpio_num, u8 gpio_mode);
+int sif_set_gpio_output(struct esp_pub *epub, u16 mask, u16 value);
+int sif_get_gpio_intr(struct esp_pub *epub, u16 intr_mask, u16 *value);
+int sif_get_gpio_input(struct esp_pub *epub, u16 *mask, u16 *value);
+#endif
+
+void sif_raw_dummy_read(struct esp_pub *epub);
+void check_target_id(struct esp_pub *epub);
+
+void sif_record_bt_config(int value);
+int sif_get_bt_config(void);
+void sif_record_rst_config(int value);
+int sif_get_rst_config(void);
+void sif_record_retry_config(void);
+int sif_get_retry_config(void);
+void sif_record_wakeup_gpio_config(int value);
+int sif_get_wakeup_gpio_config(void);
+
+#ifdef ESP_ACK_INTERRUPT
+//extern void sif_platform_ack_interrupt(struct mmc_host *mmc);
+extern void sif_platform_ack_interrupt(struct esp_pub *epub);
+#endif //ESP_ACK_INTERRUPT
+
+#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)
+
+#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)
+
+#endif /* _ESP_SIF_H_ */
generated by cgit (git 2.34.1) at 2025-01-30 16:24:35 +0000