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path: root/drivers/net/wireless/ti/wlcore/io.h
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Diffstat (limited to 'drivers/net/wireless/ti/wlcore/io.h')
-rw-r--r--drivers/net/wireless/ti/wlcore/io.h145
1 files changed, 96 insertions, 49 deletions
diff --git a/drivers/net/wireless/ti/wlcore/io.h b/drivers/net/wireless/ti/wlcore/io.h
index 8942954b56a0..259149f36fae 100644
--- a/drivers/net/wireless/ti/wlcore/io.h
+++ b/drivers/net/wireless/ti/wlcore/io.h
@@ -45,86 +45,122 @@
struct wl1271;
void wlcore_disable_interrupts(struct wl1271 *wl);
+void wlcore_disable_interrupts_nosync(struct wl1271 *wl);
void wlcore_enable_interrupts(struct wl1271 *wl);
+void wlcore_synchronize_interrupts(struct wl1271 *wl);
void wl1271_io_reset(struct wl1271 *wl);
void wl1271_io_init(struct wl1271 *wl);
int wlcore_translate_addr(struct wl1271 *wl, int addr);
/* Raw target IO, address is not translated */
-static inline void wl1271_raw_write(struct wl1271 *wl, int addr, void *buf,
- size_t len, bool fixed)
+static inline int __must_check wlcore_raw_write(struct wl1271 *wl, int addr,
+ void *buf, size_t len,
+ bool fixed)
{
- wl->if_ops->write(wl->dev, addr, buf, len, fixed);
+ int ret;
+
+ if (test_bit(WL1271_FLAG_IO_FAILED, &wl->flags))
+ return -EIO;
+
+ ret = wl->if_ops->write(wl->dev, addr, buf, len, fixed);
+ if (ret && wl->state != WL1271_STATE_OFF)
+ set_bit(WL1271_FLAG_IO_FAILED, &wl->flags);
+
+ return ret;
}
-static inline void wl1271_raw_read(struct wl1271 *wl, int addr, void *buf,
- size_t len, bool fixed)
+static inline int __must_check wlcore_raw_read(struct wl1271 *wl, int addr,
+ void *buf, size_t len,
+ bool fixed)
{
- wl->if_ops->read(wl->dev, addr, buf, len, fixed);
+ int ret;
+
+ if (test_bit(WL1271_FLAG_IO_FAILED, &wl->flags))
+ return -EIO;
+
+ ret = wl->if_ops->read(wl->dev, addr, buf, len, fixed);
+ if (ret && wl->state != WL1271_STATE_OFF)
+ set_bit(WL1271_FLAG_IO_FAILED, &wl->flags);
+
+ return ret;
}
-static inline void wlcore_raw_read_data(struct wl1271 *wl, int reg, void *buf,
- size_t len, bool fixed)
+static inline int __must_check wlcore_raw_read_data(struct wl1271 *wl, int reg,
+ void *buf, size_t len,
+ bool fixed)
{
- wl1271_raw_read(wl, wl->rtable[reg], buf, len, fixed);
+ return wlcore_raw_read(wl, wl->rtable[reg], buf, len, fixed);
}
-static inline void wlcore_raw_write_data(struct wl1271 *wl, int reg, void *buf,
- size_t len, bool fixed)
+static inline int __must_check wlcore_raw_write_data(struct wl1271 *wl, int reg,
+ void *buf, size_t len,
+ bool fixed)
{
- wl1271_raw_write(wl, wl->rtable[reg], buf, len, fixed);
+ return wlcore_raw_write(wl, wl->rtable[reg], buf, len, fixed);
}
-static inline u32 wl1271_raw_read32(struct wl1271 *wl, int addr)
+static inline int __must_check wlcore_raw_read32(struct wl1271 *wl, int addr,
+ u32 *val)
{
- wl1271_raw_read(wl, addr, &wl->buffer_32,
- sizeof(wl->buffer_32), false);
+ int ret;
+
+ ret = wlcore_raw_read(wl, addr, &wl->buffer_32,
+ sizeof(wl->buffer_32), false);
+ if (ret < 0)
+ return ret;
+
+ if (val)
+ *val = le32_to_cpu(wl->buffer_32);
- return le32_to_cpu(wl->buffer_32);
+ return 0;
}
-static inline void wl1271_raw_write32(struct wl1271 *wl, int addr, u32 val)
+static inline int __must_check wlcore_raw_write32(struct wl1271 *wl, int addr,
+ u32 val)
{
wl->buffer_32 = cpu_to_le32(val);
- wl1271_raw_write(wl, addr, &wl->buffer_32,
- sizeof(wl->buffer_32), false);
+ return wlcore_raw_write(wl, addr, &wl->buffer_32,
+ sizeof(wl->buffer_32), false);
}
-static inline void wl1271_read(struct wl1271 *wl, int addr, void *buf,
- size_t len, bool fixed)
+static inline int __must_check wlcore_read(struct wl1271 *wl, int addr,
+ void *buf, size_t len, bool fixed)
{
int physical;
physical = wlcore_translate_addr(wl, addr);
- wl1271_raw_read(wl, physical, buf, len, fixed);
+ return wlcore_raw_read(wl, physical, buf, len, fixed);
}
-static inline void wl1271_write(struct wl1271 *wl, int addr, void *buf,
- size_t len, bool fixed)
+static inline int __must_check wlcore_write(struct wl1271 *wl, int addr,
+ void *buf, size_t len, bool fixed)
{
int physical;
physical = wlcore_translate_addr(wl, addr);
- wl1271_raw_write(wl, physical, buf, len, fixed);
+ return wlcore_raw_write(wl, physical, buf, len, fixed);
}
-static inline void wlcore_write_data(struct wl1271 *wl, int reg, void *buf,
- size_t len, bool fixed)
+static inline int __must_check wlcore_write_data(struct wl1271 *wl, int reg,
+ void *buf, size_t len,
+ bool fixed)
{
- wl1271_write(wl, wl->rtable[reg], buf, len, fixed);
+ return wlcore_write(wl, wl->rtable[reg], buf, len, fixed);
}
-static inline void wlcore_read_data(struct wl1271 *wl, int reg, void *buf,
- size_t len, bool fixed)
+static inline int __must_check wlcore_read_data(struct wl1271 *wl, int reg,
+ void *buf, size_t len,
+ bool fixed)
{
- wl1271_read(wl, wl->rtable[reg], buf, len, fixed);
+ return wlcore_read(wl, wl->rtable[reg], buf, len, fixed);
}
-static inline void wl1271_read_hwaddr(struct wl1271 *wl, int hwaddr,
- void *buf, size_t len, bool fixed)
+static inline int __must_check wlcore_read_hwaddr(struct wl1271 *wl, int hwaddr,
+ void *buf, size_t len,
+ bool fixed)
{
int physical;
int addr;
@@ -134,34 +170,47 @@ static inline void wl1271_read_hwaddr(struct wl1271 *wl, int hwaddr,
physical = wlcore_translate_addr(wl, addr);
- wl1271_raw_read(wl, physical, buf, len, fixed);
+ return wlcore_raw_read(wl, physical, buf, len, fixed);
}
-static inline u32 wl1271_read32(struct wl1271 *wl, int addr)
+static inline int __must_check wlcore_read32(struct wl1271 *wl, int addr,
+ u32 *val)
{
- return wl1271_raw_read32(wl, wlcore_translate_addr(wl, addr));
+ return wlcore_raw_read32(wl, wlcore_translate_addr(wl, addr), val);
}
-static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val)
+static inline int __must_check wlcore_write32(struct wl1271 *wl, int addr,
+ u32 val)
{
- wl1271_raw_write32(wl, wlcore_translate_addr(wl, addr), val);
+ return wlcore_raw_write32(wl, wlcore_translate_addr(wl, addr), val);
}
-static inline u32 wlcore_read_reg(struct wl1271 *wl, int reg)
+static inline int __must_check wlcore_read_reg(struct wl1271 *wl, int reg,
+ u32 *val)
{
- return wl1271_raw_read32(wl,
- wlcore_translate_addr(wl, wl->rtable[reg]));
+ return wlcore_raw_read32(wl,
+ wlcore_translate_addr(wl, wl->rtable[reg]),
+ val);
}
-static inline void wlcore_write_reg(struct wl1271 *wl, int reg, u32 val)
+static inline int __must_check wlcore_write_reg(struct wl1271 *wl, int reg,
+ u32 val)
{
- wl1271_raw_write32(wl, wlcore_translate_addr(wl, wl->rtable[reg]), val);
+ return wlcore_raw_write32(wl,
+ wlcore_translate_addr(wl, wl->rtable[reg]),
+ val);
}
static inline void wl1271_power_off(struct wl1271 *wl)
{
- wl->if_ops->power(wl->dev, false);
- clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
+ int ret;
+
+ if (!test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags))
+ return;
+
+ ret = wl->if_ops->power(wl->dev, false);
+ if (!ret)
+ clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
}
static inline int wl1271_power_on(struct wl1271 *wl)
@@ -173,8 +222,8 @@ static inline int wl1271_power_on(struct wl1271 *wl)
return ret;
}
-void wlcore_set_partition(struct wl1271 *wl,
- const struct wlcore_partition_set *p);
+int wlcore_set_partition(struct wl1271 *wl,
+ const struct wlcore_partition_set *p);
bool wl1271_set_block_size(struct wl1271 *wl);
@@ -182,6 +231,4 @@ bool wl1271_set_block_size(struct wl1271 *wl);
int wl1271_tx_dummy_packet(struct wl1271 *wl);
-void wlcore_select_partition(struct wl1271 *wl, u8 part);
-
#endif
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