/* * Low-level API for mac80211 ST-Ericsson CW1200 drivers * * Copyright (c) 2010, ST-Ericsson * Author: Dmitry Tarnyagin * * Based on: * ST-Ericsson UMAC CW1200 driver which is * Copyright (c) 2010, ST-Ericsson * Author: Ajitpal Singh * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef CW1200_HWIO_H_INCLUDED #define CW1200_HWIO_H_INCLUDED /* extern */ struct cw1200_common; #define CW1200_CUT_11_ID_STR (0x302E3830) #define CW1200_CUT_22_ID_STR1 (0x302e3132) #define CW1200_CUT_22_ID_STR2 (0x32302e30) #define CW1200_CUT_22_ID_STR3 (0x3335) #define CW1200_CUT_ID_ADDR (0xFFF17F90) #define CW1200_CUT2_ID_ADDR (0xFFF1FF90) /* Download control area */ /* boot loader start address in SRAM */ #define DOWNLOAD_BOOT_LOADER_OFFSET (0x00000000) /* 32K, 0x4000 to 0xDFFF */ #define DOWNLOAD_FIFO_OFFSET (0x00004000) /* 32K */ #define DOWNLOAD_FIFO_SIZE (0x00008000) /* 128 bytes, 0xFF80 to 0xFFFF */ #define DOWNLOAD_CTRL_OFFSET (0x0000FF80) #define DOWNLOAD_CTRL_DATA_DWORDS (32-6) struct download_cntl_t { /* size of whole firmware file (including Cheksum), host init */ u32 image_size; /* downloading flags */ u32 flags; /* No. of bytes put into the download, init & updated by host */ u32 put; /* last traced program counter, last ARM reg_pc */ u32 trace_pc; /* No. of bytes read from the download, host init, device updates */ u32 get; /* r0, boot losader status, host init to pending, device updates */ u32 status; /* Extra debug info, r1 to r14 if status=r0=DOWNLOAD_EXCEPTION */ u32 debug_data[DOWNLOAD_CTRL_DATA_DWORDS]; }; #define DOWNLOAD_IMAGE_SIZE_REG \ (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, image_size)) #define DOWNLOAD_FLAGS_REG \ (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, flags)) #define DOWNLOAD_PUT_REG \ (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, put)) #define DOWNLOAD_TRACE_PC_REG \ (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, trace_pc)) #define DOWNLOAD_GET_REG \ (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, get)) #define DOWNLOAD_STATUS_REG \ (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, status)) #define DOWNLOAD_DEBUG_DATA_REG \ (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, debug_data)) #define DOWNLOAD_DEBUG_DATA_LEN (108) #define DOWNLOAD_BLOCK_SIZE (1024) /* For boot loader detection */ #define DOWNLOAD_ARE_YOU_HERE (0x87654321) #define DOWNLOAD_I_AM_HERE (0x12345678) /* Download error code */ #define DOWNLOAD_PENDING (0xFFFFFFFF) #define DOWNLOAD_SUCCESS (0) #define DOWNLOAD_EXCEPTION (1) #define DOWNLOAD_ERR_MEM_1 (2) #define DOWNLOAD_ERR_MEM_2 (3) #define DOWNLOAD_ERR_SOFTWARE (4) #define DOWNLOAD_ERR_FILE_SIZE (5) #define DOWNLOAD_ERR_CHECKSUM (6) #define DOWNLOAD_ERR_OVERFLOW (7) #define DOWNLOAD_ERR_IMAGE (8) #define DOWNLOAD_ERR_HOST (9) #define DOWNLOAD_ERR_ABORT (10) #define SYS_BASE_ADDR_SILICON (0) #define PAC_BASE_ADDRESS_SILICON (SYS_BASE_ADDR_SILICON + 0x09000000) #define PAC_SHARED_MEMORY_SILICON (PAC_BASE_ADDRESS_SILICON) #define CW1200_APB(addr) (PAC_SHARED_MEMORY_SILICON + (addr)) /* Device register definitions */ /* WBF - SPI Register Addresses */ #define ST90TDS_ADDR_ID_BASE (0x0000) /* 16/32 bits */ #define ST90TDS_CONFIG_REG_ID (0x0000) /* 16/32 bits */ #define ST90TDS_CONTROL_REG_ID (0x0001) /* 16 bits, Q mode W/R */ #define ST90TDS_IN_OUT_QUEUE_REG_ID (0x0002) /* 32 bits, AHB bus R/W */ #define ST90TDS_AHB_DPORT_REG_ID (0x0003) /* 16/32 bits */ #define ST90TDS_SRAM_BASE_ADDR_REG_ID (0x0004) /* 32 bits, APB bus R/W */ #define ST90TDS_SRAM_DPORT_REG_ID (0x0005) /* 32 bits, t_settle/general */ #define ST90TDS_TSET_GEN_R_W_REG_ID (0x0006) /* 16 bits, Q mode read, no length */ #define ST90TDS_FRAME_OUT_REG_ID (0x0007) #define ST90TDS_ADDR_ID_MAX (ST90TDS_FRAME_OUT_REG_ID) /* WBF - Control register bit set */ /* next o/p length, bit 11 to 0 */ #define ST90TDS_CONT_NEXT_LEN_MASK (0x0FFF) #define ST90TDS_CONT_WUP_BIT (BIT(12)) #define ST90TDS_CONT_RDY_BIT (BIT(13)) #define ST90TDS_CONT_IRQ_ENABLE (BIT(14)) #define ST90TDS_CONT_RDY_ENABLE (BIT(15)) #define ST90TDS_CONT_IRQ_RDY_ENABLE (BIT(14)|BIT(15)) /* SPI Config register bit set */ #define ST90TDS_CONFIG_FRAME_BIT (BIT(2)) #define ST90TDS_CONFIG_WORD_MODE_BITS (BIT(3)|BIT(4)) #define ST90TDS_CONFIG_WORD_MODE_1 (BIT(3)) #define ST90TDS_CONFIG_WORD_MODE_2 (BIT(4)) #define ST90TDS_CONFIG_ERROR_0_BIT (BIT(5)) #define ST90TDS_CONFIG_ERROR_1_BIT (BIT(6)) #define ST90TDS_CONFIG_ERROR_2_BIT (BIT(7)) /* TBD: Sure??? */ #define ST90TDS_CONFIG_CSN_FRAME_BIT (BIT(7)) #define ST90TDS_CONFIG_ERROR_3_BIT (BIT(8)) #define ST90TDS_CONFIG_ERROR_4_BIT (BIT(9)) /* QueueM */ #define ST90TDS_CONFIG_ACCESS_MODE_BIT (BIT(10)) /* AHB bus */ #define ST90TDS_CONFIG_AHB_PRFETCH_BIT (BIT(11)) #define ST90TDS_CONFIG_CPU_CLK_DIS_BIT (BIT(12)) /* APB bus */ #define ST90TDS_CONFIG_PRFETCH_BIT (BIT(13)) /* cpu reset */ #define ST90TDS_CONFIG_CPU_RESET_BIT (BIT(14)) #define ST90TDS_CONFIG_CLEAR_INT_BIT (BIT(15)) /* For CW1200 the IRQ Enable and Ready Bits are in CONFIG register */ #define ST90TDS_CONF_IRQ_ENABLE (BIT(16)) #define ST90TDS_CONF_RDY_ENABLE (BIT(17)) #define ST90TDS_CONF_IRQ_RDY_ENABLE (BIT(16)|BIT(17)) int cw1200_data_read(struct cw1200_common *priv, void *buf, size_t buf_len); int cw1200_data_write(struct cw1200_common *priv, const void *buf, size_t buf_len); int cw1200_reg_read(struct cw1200_common *priv, u16 addr, void *buf, size_t buf_len); int cw1200_reg_write(struct cw1200_common *priv, u16 addr, const void *buf, size_t buf_len); static inline int cw1200_reg_read_16(struct cw1200_common *priv, u16 addr, u16 *val) { __le32 tmp; int i; i = cw1200_reg_read(priv, addr, &tmp, sizeof(tmp)); *val = le32_to_cpu(tmp) & 0xfffff; return i; } static inline int cw1200_reg_write_16(struct cw1200_common *priv, u16 addr, u16 val) { __le32 tmp = cpu_to_le32((u32)val); return cw1200_reg_write(priv, addr, &tmp, sizeof(tmp)); } static inline int cw1200_reg_read_32(struct cw1200_common *priv, u16 addr, u32 *val) { __le32 tmp; int i = cw1200_reg_read(priv, addr, &tmp, sizeof(tmp)); *val = le32_to_cpu(tmp); return i; } static inline int cw1200_reg_write_32(struct cw1200_common *priv, u16 addr, u32 val) { __le32 tmp = cpu_to_le32(val); return cw1200_reg_write(priv, addr, &tmp, sizeof(val)); } int cw1200_indirect_read(struct cw1200_common *priv, u32 addr, void *buf, size_t buf_len, u32 prefetch, u16 port_addr); int cw1200_apb_write(struct cw1200_common *priv, u32 addr, const void *buf, size_t buf_len); static inline int cw1200_apb_read(struct cw1200_common *priv, u32 addr, void *buf, size_t buf_len) { return cw1200_indirect_read(priv, addr, buf, buf_len, ST90TDS_CONFIG_PRFETCH_BIT, ST90TDS_SRAM_DPORT_REG_ID); } static inline int cw1200_ahb_read(struct cw1200_common *priv, u32 addr, void *buf, size_t buf_len) { return cw1200_indirect_read(priv, addr, buf, buf_len, ST90TDS_CONFIG_AHB_PRFETCH_BIT, ST90TDS_AHB_DPORT_REG_ID); } static inline int cw1200_apb_read_32(struct cw1200_common *priv, u32 addr, u32 *val) { __le32 tmp; int i = cw1200_apb_read(priv, addr, &tmp, sizeof(tmp)); *val = le32_to_cpu(tmp); return i; } static inline int cw1200_apb_write_32(struct cw1200_common *priv, u32 addr, u32 val) { __le32 tmp = cpu_to_le32(val); return cw1200_apb_write(priv, addr, &tmp, sizeof(val)); } static inline int cw1200_ahb_read_32(struct cw1200_common *priv, u32 addr, u32 *val) { __le32 tmp; int i = cw1200_ahb_read(priv, addr, &tmp, sizeof(tmp)); *val = le32_to_cpu(tmp); return i; } #endif /* CW1200_HWIO_H_INCLUDED */