#include <linux/firmware.h>
#include <linux/delay.h>
#include <linux/irq.h>
-#include <linux/spi/spi.h>
#include <linux/crc32.h>
#include <linux/etherdevice.h>
-#include <linux/spi/wl12xx.h>
#include "wl1251.h"
#include "wl12xx_80211.h"
#include "reg.h"
#include "wl1251_ops.h"
#include "wl1251_io.h"
-#include "wl1251_spi.h"
+#include "wl1251_cmd.h"
#include "wl1251_event.h"
#include "wl1251_tx.h"
#include "wl1251_rx.h"
wl->set_power(true);
}
-static irqreturn_t wl1251_irq(int irq, void *cookie)
+irqreturn_t wl1251_irq(int irq, void *cookie)
{
struct wl1251 *wl;
return 0;
}
-static int wl1251_init_ieee80211(struct wl1251 *wl)
+int wl1251_init_ieee80211(struct wl1251 *wl)
{
+ int ret;
+
/* The tx descriptor buffer and the TKIP space */
wl->hw->extra_tx_headroom = sizeof(struct tx_double_buffer_desc)
+ WL1251_TKIP_IV_SPACE;
wl->hw->wiphy->max_scan_ssids = 1;
wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1251_band_2ghz;
- SET_IEEE80211_DEV(wl->hw, &wl->spi->dev);
+ ret = wl1251_register_hw(wl);
+ if (ret)
+ goto out;
- return 0;
-}
+ wl1251_debugfs_init(wl);
+ wl1251_notice("initialized");
-extern struct wl1251_if_operations wl1251_spi_ops;
+ ret = 0;
+
+out:
+ return ret;
+}
#define WL1251_DEFAULT_CHANNEL 1
-static int __devinit wl1251_probe(struct spi_device *spi)
+struct ieee80211_hw *wl1251_alloc_hw(void)
{
- struct wl12xx_platform_data *pdata;
struct ieee80211_hw *hw;
struct wl1251 *wl;
- int ret, i;
+ int i;
static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf};
- pdata = spi->dev.platform_data;
- if (!pdata) {
- wl1251_error("no platform data");
- return -ENODEV;
- }
-
hw = ieee80211_alloc_hw(sizeof(*wl), &wl1251_ops);
if (!hw) {
wl1251_error("could not alloc ieee80211_hw");
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
}
wl = hw->priv;
memset(wl, 0, sizeof(*wl));
wl->hw = hw;
- dev_set_drvdata(&spi->dev, wl);
- wl->spi = spi;
- wl->if_ops = &wl1251_spi_ops;
wl->data_in_count = 0;
wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL);
if (!wl->rx_descriptor) {
wl1251_error("could not allocate memory for rx descriptor");
- ret = -ENOMEM;
- goto out_free;
+ ieee80211_free_hw(hw);
+ return ERR_PTR(-ENOMEM);
}
- /* This is the only SPI value that we need to set here, the rest
- * comes from the board-peripherals file */
- spi->bits_per_word = 32;
-
- ret = spi_setup(spi);
- if (ret < 0) {
- wl1251_error("spi_setup failed");
- goto out_free;
- }
-
- wl->set_power = pdata->set_power;
- if (!wl->set_power) {
- wl1251_error("set power function missing in platform data");
- ret = -ENODEV;
- goto out_free;
- }
-
- wl->irq = spi->irq;
- if (wl->irq < 0) {
- wl1251_error("irq missing in platform data");
- ret = -ENODEV;
- goto out_free;
- }
-
- ret = request_irq(wl->irq, wl1251_irq, 0, DRIVER_NAME, wl);
- if (ret < 0) {
- wl1251_error("request_irq() failed: %d", ret);
- goto out_free;
- }
-
- set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
-
- disable_irq(wl->irq);
-
- ret = wl1251_init_ieee80211(wl);
- if (ret)
- goto out_irq;
-
- ret = wl1251_register_hw(wl);
- if (ret)
- goto out_irq;
-
- wl1251_debugfs_init(wl);
-
- wl1251_notice("initialized");
-
- return 0;
-
- out_irq:
- free_irq(wl->irq, wl);
-
- out_free:
- kfree(wl->rx_descriptor);
- wl->rx_descriptor = NULL;
-
- ieee80211_free_hw(hw);
-
- return ret;
+ return hw;
}
-static int __devexit wl1251_remove(struct spi_device *spi)
+int wl1251_free_hw(struct wl1251 *wl)
{
- struct wl1251 *wl = dev_get_drvdata(&spi->dev);
-
ieee80211_unregister_hw(wl->hw);
wl1251_debugfs_exit(wl);
return 0;
}
-
-
-static struct spi_driver wl1251_spi_driver = {
- .driver = {
- /* FIXME: use wl12xx name to not break the user space */
- .name = "wl12xx",
- .bus = &spi_bus_type,
- .owner = THIS_MODULE,
- },
-
- .probe = wl1251_probe,
- .remove = __devexit_p(wl1251_remove),
-};
-
-static int __init wl1251_init(void)
-{
- int ret;
-
- ret = spi_register_driver(&wl1251_spi_driver);
- if (ret < 0) {
- wl1251_error("failed to register spi driver: %d", ret);
- goto out;
- }
-
-out:
- return ret;
-}
-
-static void __exit wl1251_exit(void)
-{
- spi_unregister_driver(&wl1251_spi_driver);
-
- wl1251_notice("unloaded");
-}
-
-module_init(wl1251_init);
-module_exit(wl1251_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Kalle Valo <Kalle.Valo@nokia.com>, "
- "Luciano Coelho <luciano.coelho@nokia.com>");
*
*/
+#include <linux/irq.h>
#include <linux/module.h>
#include <linux/crc7.h>
#include <linux/spi/spi.h>
+#include <linux/spi/wl12xx.h>
#include "wl1251.h"
#include "reg.h"
wl1251_dump(DEBUG_SPI, "spi reset -> ", cmd, WSPI_INIT_CMD_LEN);
}
-static void wl1251_spi_init(struct wl1251 *wl)
+static void wl1251_spi_wake(struct wl1251 *wl)
{
u8 crc[WSPI_INIT_CMD_CRC_LEN], *cmd;
struct spi_transfer t;
static void wl1251_spi_reset_wake(struct wl1251 *wl)
{
wl1251_spi_reset(wl);
- wl1251_spi_init(wl);
+ wl1251_spi_wake(wl);
}
static void wl1251_spi_read(struct wl1251 *wl, int addr, void *buf,
.write = wl1251_spi_write,
.reset = wl1251_spi_reset_wake,
};
+
+static int __devinit wl1251_spi_probe(struct spi_device *spi)
+{
+ struct wl12xx_platform_data *pdata;
+ struct ieee80211_hw *hw;
+ struct wl1251 *wl;
+ int ret;
+
+ pdata = spi->dev.platform_data;
+ if (!pdata) {
+ wl1251_error("no platform data");
+ return -ENODEV;
+ }
+
+ hw = wl1251_alloc_hw();
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+
+ wl = hw->priv;
+
+ SET_IEEE80211_DEV(hw, &spi->dev);
+ dev_set_drvdata(&spi->dev, wl);
+ wl->spi = spi;
+ wl->if_ops = &wl1251_spi_ops;
+
+ /* This is the only SPI value that we need to set here, the rest
+ * comes from the board-peripherals file */
+ spi->bits_per_word = 32;
+
+ ret = spi_setup(spi);
+ if (ret < 0) {
+ wl1251_error("spi_setup failed");
+ goto out_free;
+ }
+
+ wl->set_power = pdata->set_power;
+ if (!wl->set_power) {
+ wl1251_error("set power function missing in platform data");
+ return -ENODEV;
+ }
+
+ wl->irq = spi->irq;
+ if (wl->irq < 0) {
+ wl1251_error("irq missing in platform data");
+ return -ENODEV;
+ }
+
+ ret = request_irq(wl->irq, wl1251_irq, 0, DRIVER_NAME, wl);
+ if (ret < 0) {
+ wl1251_error("request_irq() failed: %d", ret);
+ goto out_free;
+ }
+
+ set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
+
+ disable_irq(wl->irq);
+
+ ret = wl1251_init_ieee80211(wl);
+ if (ret)
+ goto out_irq;
+
+ return 0;
+
+ out_irq:
+ free_irq(wl->irq, wl);
+
+ out_free:
+ ieee80211_free_hw(hw);
+
+ return ret;
+}
+
+static int __devexit wl1251_spi_remove(struct spi_device *spi)
+{
+ struct wl1251 *wl = dev_get_drvdata(&spi->dev);
+
+ wl1251_free_hw(wl);
+
+ return 0;
+}
+
+static struct spi_driver wl1251_spi_driver = {
+ .driver = {
+ .name = "wl12xx",
+ .bus = &spi_bus_type,
+ .owner = THIS_MODULE,
+ },
+
+ .probe = wl1251_spi_probe,
+ .remove = __devexit_p(wl1251_spi_remove),
+};
+
+static int __init wl1251_spi_init(void)
+{
+ int ret;
+
+ ret = spi_register_driver(&wl1251_spi_driver);
+ if (ret < 0) {
+ wl1251_error("failed to register spi driver: %d", ret);
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+static void __exit wl1251_spi_exit(void)
+{
+ spi_unregister_driver(&wl1251_spi_driver);
+
+ wl1251_notice("unloaded");
+}
+
+module_init(wl1251_spi_init);
+module_exit(wl1251_spi_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Kalle Valo <Kalle.Valo@nokia.com>");
+MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff