wl1271: Implemented abstraction of IO functions.
Changed the driver to use if_ops structure to abstract access to the IO
layer (SPI or SDIO).
Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c
index b422c9f..a0f4169 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.c
@@ -33,6 +33,15 @@
#include "wl1271_spi.h"
#include "wl1271_io.h"
+static struct spi_device *wl_to_spi(struct wl1271 *wl)
+{
+ return wl->if_priv;
+}
+
+static struct device *wl1271_spi_wl_to_dev(struct wl1271 *wl)
+{
+ return &(wl_to_spi(wl)->dev);
+}
void wl1271_spi_disable_interrupts(struct wl1271 *wl)
{
@@ -65,7 +74,7 @@
t.len = WSPI_INIT_CMD_LEN;
spi_message_add_tail(&t, &m);
- spi_sync(wl->spi, &m);
+ spi_sync(wl_to_spi(wl), &m);
wl1271_dump(DEBUG_SPI, "spi reset -> ", cmd, WSPI_INIT_CMD_LEN);
}
@@ -119,7 +128,7 @@
t.len = WSPI_INIT_CMD_LEN;
spi_message_add_tail(&t, &m);
- spi_sync(wl->spi, &m);
+ spi_sync(wl_to_spi(wl), &m);
wl1271_dump(DEBUG_SPI, "spi init -> ", cmd, WSPI_INIT_CMD_LEN);
}
@@ -151,7 +160,7 @@
t[0].rx_buf = buf + (len - num_busy_bytes);
t[0].len = num_busy_bytes;
spi_message_add_tail(&t[0], &m);
- spi_sync(wl->spi, &m);
+ spi_sync(wl_to_spi(wl), &m);
return;
}
}
@@ -171,7 +180,7 @@
t[0].rx_buf = busy_buf;
t[0].len = sizeof(u32);
spi_message_add_tail(&t[0], &m);
- spi_sync(wl->spi, &m);
+ spi_sync(wl_to_spi(wl), &m);
if (*busy_buf & 0x1) {
spi_message_init(&m);
@@ -179,7 +188,7 @@
t[0].rx_buf = buf;
t[0].len = len;
spi_message_add_tail(&t[0], &m);
- spi_sync(wl->spi, &m);
+ spi_sync(wl_to_spi(wl), &m);
return;
}
}
@@ -225,7 +234,7 @@
t[2].len = len;
spi_message_add_tail(&t[2], &m);
- spi_sync(wl->spi, &m);
+ spi_sync(wl_to_spi(wl), &m);
/* FIXME: Check busy words, removed due to SPI bug */
/* if (!(busy_buf[WL1271_BUSY_WORD_CNT - 1] & 0x1))
@@ -263,7 +272,7 @@
t[1].len = len;
spi_message_add_tail(&t[1], &m);
- spi_sync(wl->spi, &m);
+ spi_sync(wl_to_spi(wl), &m);
wl1271_dump(DEBUG_SPI, "spi_write cmd -> ", cmd, sizeof(*cmd));
wl1271_dump(DEBUG_SPI, "spi_write buf -> ", buf, len);
@@ -306,6 +315,16 @@
},
};
+static struct wl1271_if_operations spi_ops = {
+ .read = wl1271_spi_raw_read,
+ .write = wl1271_spi_raw_write,
+ .reset = wl1271_spi_reset,
+ .init = wl1271_spi_init,
+ .dev = wl1271_spi_wl_to_dev,
+ .enable_irq = wl1271_spi_enable_interrupts,
+ .disable_irq = wl1271_spi_disable_interrupts
+};
+
static int __devinit wl1271_probe(struct spi_device *spi)
{
struct wl12xx_platform_data *pdata;
@@ -326,7 +345,9 @@
wl = hw->priv;
dev_set_drvdata(&spi->dev, wl);
- wl->spi = spi;
+ wl->if_priv = spi;
+
+ wl->if_ops = &spi_ops;
/* This is the only SPI value that we need to set here, the rest
* comes from the board-peripherals file */