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wl1251: separate bus i/o code into io.c

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In order to eventually support wl1251 spi and sdio interfaces, move
the register and memory transfer functions to a common file.  Also
rename wl1251_spi_mem_{read,write} to indicate its common usage.
We still use spi_read internally until SDIO interface is introduced
so nothing functional should change here.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Bob Copeland
2009-08-07 13:32:56 +03:00
committed by John W. Linville
parent b8010790c4
commit 0764de64c8
14 changed files with 191 additions and 158 deletions
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81
drivers/net/wireless/wl12xx/wl1251_spi.c
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@@ -29,29 +29,6 @@
#include "reg.h"
#include "wl1251_spi.h"
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 = wl->chip.acx_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_spi_reset(struct wl1251 *wl)
{
u8 *cmd;
@@ -323,61 +300,3 @@ void wl1251_spi_write(struct wl1251 *wl, int addr, void *buf, size_t len)
wl1251_dump(DEBUG_SPI, "spi_write cmd -> ", cmd, sizeof(*cmd));
wl1251_dump(DEBUG_SPI, "spi_write buf -> ", buf, len);
}
void wl1251_spi_mem_read(struct wl1251 *wl, int addr, void *buf,
size_t len)
{
int physical;
physical = wl1251_translate_mem_addr(wl, addr);
wl1251_spi_read(wl, physical, buf, len);
}
void wl1251_spi_mem_write(struct wl1251 *wl, int addr, void *buf,
size_t len)
{
int physical;
physical = wl1251_translate_mem_addr(wl, addr);
wl1251_spi_write(wl, physical, buf, len);
}
void wl1251_spi_reg_read(struct wl1251 *wl, int addr, void *buf, size_t len)
{
int physical;
physical = wl1251_translate_reg_addr(wl, addr);
wl1251_spi_read(wl, physical, buf, len);
}
void wl1251_spi_reg_write(struct wl1251 *wl, int addr, void *buf, size_t len)
{
int physical;
physical = wl1251_translate_reg_addr(wl, addr);
wl1251_spi_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);
}