diff options
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1251.h | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1251_acx.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1251_cmd.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1251_main.c | 148 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1251_spi.c | 125 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1251_tx.c | 1 |
6 files changed, 151 insertions, 132 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1251.h b/drivers/net/wireless/wl12xx/wl1251.h index 284bb508c87..df4c06d4167 100644 --- a/drivers/net/wireless/wl12xx/wl1251.h +++ b/drivers/net/wireless/wl12xx/wl1251.h @@ -292,7 +292,7 @@ struct wl1251 { bool mac80211_registered; struct spi_device *spi; - struct wl1251_if_operations *if_ops; + const struct wl1251_if_operations *if_ops; void (*set_power)(bool enable); int irq; @@ -404,6 +404,11 @@ struct wl1251 { int wl1251_plt_start(struct wl1251 *wl); int wl1251_plt_stop(struct wl1251 *wl); +irqreturn_t wl1251_irq(int irq, void *cookie); +struct ieee80211_hw *wl1251_alloc_hw(void); +int wl1251_free_hw(struct wl1251 *wl); +int wl1251_init_ieee80211(struct wl1251 *wl); + #define DEFAULT_HW_GEN_MODULATION_TYPE CCK_LONG /* Long Preamble */ #define DEFAULT_HW_GEN_TX_RATE RATE_2MBPS #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */ diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.c b/drivers/net/wireless/wl12xx/wl1251_acx.c index 2e3171a61b7..91fe16c8d5b 100644 --- a/drivers/net/wireless/wl12xx/wl1251_acx.c +++ b/drivers/net/wireless/wl12xx/wl1251_acx.c @@ -2,7 +2,6 @@ #include <linux/module.h> #include <linux/crc7.h> -#include <linux/spi/spi.h> #include "wl1251.h" #include "reg.h" diff --git a/drivers/net/wireless/wl12xx/wl1251_cmd.c b/drivers/net/wireless/wl12xx/wl1251_cmd.c index 2c30c705908..dfbf6811976 100644 --- a/drivers/net/wireless/wl12xx/wl1251_cmd.c +++ b/drivers/net/wireless/wl12xx/wl1251_cmd.c @@ -2,7 +2,6 @@ #include <linux/module.h> #include <linux/crc7.h> -#include <linux/spi/spi.h> #include "wl1251.h" #include "reg.h" diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c index 0f30d0a62aa..74544e11f69 100644 --- a/drivers/net/wireless/wl12xx/wl1251_main.c +++ b/drivers/net/wireless/wl12xx/wl1251_main.c @@ -26,17 +26,15 @@ #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" @@ -59,7 +57,7 @@ static void wl1251_power_on(struct wl1251 *wl) wl->set_power(true); } -static irqreturn_t wl1251_irq(int irq, void *cookie) +irqreturn_t wl1251_irq(int irq, void *cookie) { struct wl1251 *wl; @@ -1169,8 +1167,10 @@ static int wl1251_register_hw(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; @@ -1186,41 +1186,37 @@ static int wl1251_init_ieee80211(struct wl1251 *wl) 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; @@ -1268,74 +1264,15 @@ static int __devinit wl1251_probe(struct spi_device *spi) 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); @@ -1355,44 +1292,3 @@ static int __devexit wl1251_remove(struct spi_device *spi) 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>"); diff --git a/drivers/net/wireless/wl12xx/wl1251_spi.c b/drivers/net/wireless/wl12xx/wl1251_spi.c index ceb237b4e57..13e7a726dea 100644 --- a/drivers/net/wireless/wl12xx/wl1251_spi.c +++ b/drivers/net/wireless/wl12xx/wl1251_spi.c @@ -21,9 +21,11 @@ * */ +#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" @@ -55,7 +57,7 @@ static void wl1251_spi_reset(struct wl1251 *wl) 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; @@ -112,7 +114,7 @@ static void wl1251_spi_init(struct wl1251 *wl) 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, @@ -191,3 +193,122 @@ const struct wl1251_if_operations wl1251_spi_ops = { .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>"); diff --git a/drivers/net/wireless/wl12xx/wl1251_tx.c b/drivers/net/wireless/wl12xx/wl1251_tx.c index 7ddc9a34630..f20bab61fd6 100644 --- a/drivers/net/wireless/wl12xx/wl1251_tx.c +++ b/drivers/net/wireless/wl12xx/wl1251_tx.c @@ -27,7 +27,6 @@ #include "wl1251.h" #include "reg.h" -#include "wl1251_spi.h" #include "wl1251_tx.h" #include "wl1251_ps.h" #include "wl1251_io.h" |