diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/wl1251/io.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/wl1251/io.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/wl1251/io.c b/ANDROID_3.4.5/drivers/net/wireless/wl1251/io.c deleted file mode 100644 index cdcadbf6..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/wl1251/io.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * This file is part of wl12xx - * - * Copyright (C) 2008 Nokia Corporation - * - * 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. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include "wl1251.h" -#include "reg.h" -#include "io.h" - -/* FIXME: this is static data nowadays and the table can be removed */ -static enum wl12xx_acx_int_reg wl1251_io_reg_table[ACX_REG_TABLE_LEN] = { - [ACX_REG_INTERRUPT_TRIG] = (REGISTERS_BASE + 0x0474), - [ACX_REG_INTERRUPT_TRIG_H] = (REGISTERS_BASE + 0x0478), - [ACX_REG_INTERRUPT_MASK] = (REGISTERS_BASE + 0x0494), - [ACX_REG_HINT_MASK_SET] = (REGISTERS_BASE + 0x0498), - [ACX_REG_HINT_MASK_CLR] = (REGISTERS_BASE + 0x049C), - [ACX_REG_INTERRUPT_NO_CLEAR] = (REGISTERS_BASE + 0x04B0), - [ACX_REG_INTERRUPT_CLEAR] = (REGISTERS_BASE + 0x04A4), - [ACX_REG_INTERRUPT_ACK] = (REGISTERS_BASE + 0x04A8), - [ACX_REG_SLV_SOFT_RESET] = (REGISTERS_BASE + 0x0000), - [ACX_REG_EE_START] = (REGISTERS_BASE + 0x080C), - [ACX_REG_ECPU_CONTROL] = (REGISTERS_BASE + 0x0804) -}; - -static int wl1251_translate_reg_addr(struct wl1251 *wl, int addr) -{ - /* If the address is lower than REGISTERS_BASE, it means that this is - * a chip-specific register address, so look it up in the registers - * table */ - if (addr < REGISTERS_BASE) { - /* Make sure we don't go over the table */ - if (addr >= ACX_REG_TABLE_LEN) { - wl1251_error("address out of range (%d)", addr); - return -EINVAL; - } - addr = wl1251_io_reg_table[addr]; - } - - return addr - wl->physical_reg_addr + wl->virtual_reg_addr; -} - -static int wl1251_translate_mem_addr(struct wl1251 *wl, int addr) -{ - return addr - wl->physical_mem_addr + wl->virtual_mem_addr; -} - -void wl1251_mem_read(struct wl1251 *wl, int addr, void *buf, size_t len) -{ - int physical; - - physical = wl1251_translate_mem_addr(wl, addr); - - wl->if_ops->read(wl, physical, buf, len); -} - -void wl1251_mem_write(struct wl1251 *wl, int addr, void *buf, size_t len) -{ - int physical; - - physical = wl1251_translate_mem_addr(wl, addr); - - wl->if_ops->write(wl, physical, buf, len); -} - -u32 wl1251_mem_read32(struct wl1251 *wl, int addr) -{ - return wl1251_read32(wl, wl1251_translate_mem_addr(wl, addr)); -} - -void wl1251_mem_write32(struct wl1251 *wl, int addr, u32 val) -{ - wl1251_write32(wl, wl1251_translate_mem_addr(wl, addr), val); -} - -u32 wl1251_reg_read32(struct wl1251 *wl, int addr) -{ - return wl1251_read32(wl, wl1251_translate_reg_addr(wl, addr)); -} - -void wl1251_reg_write32(struct wl1251 *wl, int addr, u32 val) -{ - wl1251_write32(wl, wl1251_translate_reg_addr(wl, addr), val); -} - -/* Set the partitions to access the chip addresses. - * - * There are two VIRTUAL partitions (the memory partition and the - * registers partition), which are mapped to two different areas of the - * PHYSICAL (hardware) memory. This function also makes other checks to - * ensure that the partitions are not overlapping. In the diagram below, the - * memory partition comes before the register partition, but the opposite is - * also supported. - * - * PHYSICAL address - * space - * - * | | - * ...+----+--> mem_start - * VIRTUAL address ... | | - * space ... | | [PART_0] - * ... | | - * 0x00000000 <--+----+... ...+----+--> mem_start + mem_size - * | | ... | | - * |MEM | ... | | - * | | ... | | - * part_size <--+----+... | | {unused area) - * | | ... | | - * |REG | ... | | - * part_size | | ... | | - * + <--+----+... ...+----+--> reg_start - * reg_size ... | | - * ... | | [PART_1] - * ... | | - * ...+----+--> reg_start + reg_size - * | | - * - */ -void wl1251_set_partition(struct wl1251 *wl, - u32 mem_start, u32 mem_size, - u32 reg_start, u32 reg_size) -{ - struct wl1251_partition partition[2]; - - wl1251_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", - mem_start, mem_size); - wl1251_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", - reg_start, reg_size); - - /* Make sure that the two partitions together don't exceed the - * address range */ - if ((mem_size + reg_size) > HW_ACCESS_MEMORY_MAX_RANGE) { - wl1251_debug(DEBUG_SPI, "Total size exceeds maximum virtual" - " address range. Truncating partition[0]."); - mem_size = HW_ACCESS_MEMORY_MAX_RANGE - reg_size; - wl1251_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", - mem_start, mem_size); - wl1251_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", - reg_start, reg_size); - } - - if ((mem_start < reg_start) && - ((mem_start + mem_size) > reg_start)) { - /* Guarantee that the memory partition doesn't overlap the - * registers partition */ - wl1251_debug(DEBUG_SPI, "End of partition[0] is " - "overlapping partition[1]. Adjusted."); - mem_size = reg_start - mem_start; - wl1251_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", - mem_start, mem_size); - wl1251_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", - reg_start, reg_size); - } else if ((reg_start < mem_start) && - ((reg_start + reg_size) > mem_start)) { - /* Guarantee that the register partition doesn't overlap the - * memory partition */ - wl1251_debug(DEBUG_SPI, "End of partition[1] is" - " overlapping partition[0]. Adjusted."); - reg_size = mem_start - reg_start; - wl1251_debug(DEBUG_SPI, "mem_start %08X mem_size %08X", - mem_start, mem_size); - wl1251_debug(DEBUG_SPI, "reg_start %08X reg_size %08X", - reg_start, reg_size); - } - - partition[0].start = mem_start; - partition[0].size = mem_size; - partition[1].start = reg_start; - partition[1].size = reg_size; - - wl->physical_mem_addr = mem_start; - wl->physical_reg_addr = reg_start; - - wl->virtual_mem_addr = 0; - wl->virtual_reg_addr = mem_size; - - wl->if_ops->write(wl, HW_ACCESS_PART0_SIZE_ADDR, partition, - sizeof(partition)); -} |