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path: root/drivers/net/wireless/wl12xx/sdio.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/sdio.c')
-rw-r--r--drivers/net/wireless/wl12xx/sdio.c174
1 files changed, 31 insertions, 143 deletions
diff --git a/drivers/net/wireless/wl12xx/sdio.c b/drivers/net/wireless/wl12xx/sdio.c
index e7ee5d155d3..78e5352c403 100644
--- a/drivers/net/wireless/wl12xx/sdio.c
+++ b/drivers/net/wireless/wl12xx/sdio.c
@@ -47,7 +47,6 @@
struct wl12xx_sdio_glue {
struct device *dev;
- struct wl1271 *wl;
struct platform_device *core;
};
@@ -57,67 +56,22 @@ static const struct sdio_device_id wl1271_devices[] __devinitconst = {
};
MODULE_DEVICE_TABLE(sdio, wl1271_devices);
-static void wl1271_sdio_set_block_size(struct wl1271 *wl, unsigned int blksz)
+static void wl1271_sdio_set_block_size(struct device *child,
+ unsigned int blksz)
{
- sdio_claim_host(wl->if_priv);
- sdio_set_block_size(wl->if_priv, blksz);
- sdio_release_host(wl->if_priv);
-}
-
-static inline struct wl12xx_sdio_glue *wl_to_glue(struct wl1271 *wl)
-{
- return wl->if_priv;
-}
-
-static struct device *wl1271_sdio_wl_to_dev(struct wl1271 *wl)
-{
- return wl_to_glue(wl)->dev;
-}
-
-static irqreturn_t wl1271_hardirq(int irq, void *cookie)
-{
- struct wl1271 *wl = cookie;
- unsigned long flags;
-
- wl1271_debug(DEBUG_IRQ, "IRQ");
-
- /* complete the ELP completion */
- spin_lock_irqsave(&wl->wl_lock, flags);
- set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
- if (wl->elp_compl) {
- complete(wl->elp_compl);
- wl->elp_compl = NULL;
- }
-
- if (test_bit(WL1271_FLAG_SUSPENDED, &wl->flags)) {
- /* don't enqueue a work right now. mark it as pending */
- set_bit(WL1271_FLAG_PENDING_WORK, &wl->flags);
- wl1271_debug(DEBUG_IRQ, "should not enqueue work");
- disable_irq_nosync(wl->irq);
- pm_wakeup_event(wl1271_sdio_wl_to_dev(wl), 0);
- spin_unlock_irqrestore(&wl->wl_lock, flags);
- return IRQ_HANDLED;
- }
- spin_unlock_irqrestore(&wl->wl_lock, flags);
-
- return IRQ_WAKE_THREAD;
-}
-
-static void wl1271_sdio_disable_interrupts(struct wl1271 *wl)
-{
- disable_irq(wl->irq);
-}
+ struct wl12xx_sdio_glue *glue = dev_get_drvdata(child->parent);
+ struct sdio_func *func = dev_to_sdio_func(glue->dev);
-static void wl1271_sdio_enable_interrupts(struct wl1271 *wl)
-{
- enable_irq(wl->irq);
+ sdio_claim_host(func);
+ sdio_set_block_size(func, blksz);
+ sdio_release_host(func);
}
-static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf,
+static void wl12xx_sdio_raw_read(struct device *child, int addr, void *buf,
size_t len, bool fixed)
{
int ret;
- struct wl12xx_sdio_glue *glue = wl_to_glue(wl);
+ struct wl12xx_sdio_glue *glue = dev_get_drvdata(child->parent);
struct sdio_func *func = dev_to_sdio_func(glue->dev);
if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
@@ -139,11 +93,11 @@ static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf,
wl1271_error("sdio read failed (%d)", ret);
}
-static void wl1271_sdio_raw_write(struct wl1271 *wl, int addr, void *buf,
+static void wl12xx_sdio_raw_write(struct device *child, int addr, void *buf,
size_t len, bool fixed)
{
int ret;
- struct wl12xx_sdio_glue *glue = wl_to_glue(wl);
+ struct wl12xx_sdio_glue *glue = dev_get_drvdata(child->parent);
struct sdio_func *func = dev_to_sdio_func(glue->dev);
if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
@@ -165,10 +119,9 @@ static void wl1271_sdio_raw_write(struct wl1271 *wl, int addr, void *buf,
wl1271_error("sdio write failed (%d)", ret);
}
-static int wl1271_sdio_power_on(struct wl1271 *wl)
+static int wl12xx_sdio_power_on(struct wl12xx_sdio_glue *glue)
{
int ret;
- struct wl12xx_sdio_glue *glue = wl_to_glue(wl);
struct sdio_func *func = dev_to_sdio_func(glue->dev);
/* If enabled, tell runtime PM not to power off the card */
@@ -190,10 +143,9 @@ out:
return ret;
}
-static int wl1271_sdio_power_off(struct wl1271 *wl)
+static int wl12xx_sdio_power_off(struct wl12xx_sdio_glue *glue)
{
int ret;
- struct wl12xx_sdio_glue *glue = wl_to_glue(wl);
struct sdio_func *func = dev_to_sdio_func(glue->dev);
sdio_disable_func(func);
@@ -211,33 +163,29 @@ static int wl1271_sdio_power_off(struct wl1271 *wl)
return ret;
}
-static int wl1271_sdio_set_power(struct wl1271 *wl, bool enable)
+static int wl12xx_sdio_set_power(struct device *child, bool enable)
{
+ struct wl12xx_sdio_glue *glue = dev_get_drvdata(child->parent);
+
if (enable)
- return wl1271_sdio_power_on(wl);
+ return wl12xx_sdio_power_on(glue);
else
- return wl1271_sdio_power_off(wl);
+ return wl12xx_sdio_power_off(glue);
}
static struct wl1271_if_operations sdio_ops = {
- .read = wl1271_sdio_raw_read,
- .write = wl1271_sdio_raw_write,
- .power = wl1271_sdio_set_power,
- .dev = wl1271_sdio_wl_to_dev,
- .enable_irq = wl1271_sdio_enable_interrupts,
- .disable_irq = wl1271_sdio_disable_interrupts,
+ .read = wl12xx_sdio_raw_read,
+ .write = wl12xx_sdio_raw_write,
+ .power = wl12xx_sdio_set_power,
.set_block_size = wl1271_sdio_set_block_size,
};
static int __devinit wl1271_probe(struct sdio_func *func,
const struct sdio_device_id *id)
{
- struct ieee80211_hw *hw;
- const struct wl12xx_platform_data *wlan_data;
- struct wl1271 *wl;
+ struct wl12xx_platform_data *wlan_data;
struct wl12xx_sdio_glue *glue;
struct resource res[1];
- unsigned long irqflags;
mmc_pm_flag_t mmcflags;
int ret = -ENOMEM;
@@ -251,20 +199,7 @@ static int __devinit wl1271_probe(struct sdio_func *func,
goto out;
}
- hw = wl1271_alloc_hw();
- if (IS_ERR(hw)) {
- wl1271_error("can't allocate hw");
- ret = PTR_ERR(hw);
- goto out_free_glue;
- }
-
- wl = hw->priv;
-
glue->dev = &func->dev;
- glue->wl = wl;
-
- wl->if_priv = glue;
- wl->if_ops = &sdio_ops;
/* Grab access to FN0 for ELP reg. */
func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
@@ -276,48 +211,17 @@ static int __devinit wl1271_probe(struct sdio_func *func,
if (IS_ERR(wlan_data)) {
ret = PTR_ERR(wlan_data);
wl1271_error("missing wlan platform data: %d", ret);
- goto out_free_hw;
- }
-
- wl->irq = wlan_data->irq;
- wl->ref_clock = wlan_data->board_ref_clock;
- wl->tcxo_clock = wlan_data->board_tcxo_clock;
- wl->platform_quirks = wlan_data->platform_quirks;
-
- if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ)
- irqflags = IRQF_TRIGGER_RISING;
- else
- irqflags = IRQF_TRIGGER_HIGH | IRQF_ONESHOT;
-
- ret = request_threaded_irq(wl->irq, wl1271_hardirq, wl1271_irq,
- irqflags,
- DRIVER_NAME, wl);
- if (ret < 0) {
- wl1271_error("request_irq() failed: %d", ret);
- goto out_free_hw;
+ goto out_free_glue;
}
- ret = enable_irq_wake(wl->irq);
- if (!ret) {
- wl->irq_wake_enabled = true;
- device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 1);
+ /* if sdio can keep power while host is suspended, enable wow */
+ mmcflags = sdio_get_host_pm_caps(func);
+ wl1271_debug(DEBUG_SDIO, "sdio PM caps = 0x%x", mmcflags);
- /* if sdio can keep power while host is suspended, enable wow */
- mmcflags = sdio_get_host_pm_caps(func);
- wl1271_debug(DEBUG_SDIO, "sdio PM caps = 0x%x", mmcflags);
+ if (mmcflags & MMC_PM_KEEP_POWER)
+ wlan_data->pwr_in_suspend = true;
- if (mmcflags & MMC_PM_KEEP_POWER)
- hw->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY;
- }
- disable_irq(wl->irq);
-
- ret = wl1271_init_ieee80211(wl);
- if (ret)
- goto out_irq;
-
- ret = wl1271_register_hw(wl);
- if (ret)
- goto out_irq;
+ wlan_data->ops = &sdio_ops;
sdio_set_drvdata(func, glue);
@@ -328,7 +232,7 @@ static int __devinit wl1271_probe(struct sdio_func *func,
if (!glue->core) {
wl1271_error("can't allocate platform_device");
ret = -ENOMEM;
- goto out_unreg_hw;
+ goto out_free_glue;
}
glue->core->dev.parent = &func->dev;
@@ -362,17 +266,9 @@ static int __devinit wl1271_probe(struct sdio_func *func,
out_dev_put:
platform_device_put(glue->core);
-out_unreg_hw:
- wl1271_unregister_hw(wl);
-
-out_irq:
- free_irq(wl->irq, wl);
-
-out_free_hw:
- wl1271_free_hw(wl);
-
out_free_glue:
kfree(glue);
+
out:
return ret;
}
@@ -380,18 +276,10 @@ out:
static void __devexit wl1271_remove(struct sdio_func *func)
{
struct wl12xx_sdio_glue *glue = sdio_get_drvdata(func);
- struct wl1271 *wl = glue->wl;
/* Undo decrement done above in wl1271_probe */
pm_runtime_get_noresume(&func->dev);
- wl1271_unregister_hw(wl);
- if (wl->irq_wake_enabled) {
- device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 0);
- disable_irq_wake(wl->irq);
- }
- free_irq(wl->irq, wl);
- wl1271_free_hw(wl);
platform_device_del(glue->core);
platform_device_put(glue->core);
kfree(glue);