diff options
Diffstat (limited to 'drivers/net/wireless/cw1200/hwio.h')
| -rw-r--r-- | drivers/net/wireless/cw1200/hwio.h | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/drivers/net/wireless/cw1200/hwio.h b/drivers/net/wireless/cw1200/hwio.h new file mode 100644 index 000000000000..563329cfead6 --- /dev/null +++ b/drivers/net/wireless/cw1200/hwio.h @@ -0,0 +1,246 @@ +/* + * Low-level API for mac80211 ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * Based on: + * ST-Ericsson UMAC CW1200 driver which is + * Copyright (c) 2010, ST-Ericsson + * Author: Ajitpal Singh <ajitpal.singh@stericsson.com> + * + * 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) +{ + u32 tmp; + int i; + i = cw1200_reg_read(priv, addr, &tmp, sizeof(tmp)); + tmp = le32_to_cpu(tmp); + *val = tmp & 0xffff; + return i; +} + +static inline int cw1200_reg_write_16(struct cw1200_common *priv, + u16 addr, u16 val) +{ + u32 tmp = val; + tmp = cpu_to_le32(tmp); + return cw1200_reg_write(priv, addr, &tmp, sizeof(tmp)); +} + +static inline int cw1200_reg_read_32(struct cw1200_common *priv, + u16 addr, u32 *val) +{ + int i = cw1200_reg_read(priv, addr, val, sizeof(*val)); + *val = le32_to_cpu(*val); + return i; +} + +static inline int cw1200_reg_write_32(struct cw1200_common *priv, + u16 addr, u32 val) +{ + val = cpu_to_le32(val); + return cw1200_reg_write(priv, addr, &val, 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) +{ + int i = cw1200_apb_read(priv, addr, val, sizeof(*val)); + *val = le32_to_cpu(*val); + return i; +} + +static inline int cw1200_apb_write_32(struct cw1200_common *priv, + u32 addr, u32 val) +{ + val = cpu_to_le32(val); + return cw1200_apb_write(priv, addr, &val, sizeof(val)); +} +static inline int cw1200_ahb_read_32(struct cw1200_common *priv, + u32 addr, u32 *val) +{ + int i = cw1200_ahb_read(priv, addr, val, sizeof(*val)); + *val = le32_to_cpu(*val); + return i; +} + +#endif /* CW1200_HWIO_H_INCLUDED */ |
