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path: root/drivers/staging/wilc1000/wilc_wlan.c
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Diffstat (limited to 'drivers/staging/wilc1000/wilc_wlan.c')
-rw-r--r--drivers/staging/wilc1000/wilc_wlan.c115
1 files changed, 57 insertions, 58 deletions
diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
index a48c906b2443..3c5e9e030cad 100644
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -17,13 +17,13 @@ static inline bool is_wilc1000(u32 id)
static inline void acquire_bus(struct wilc *wilc, enum bus_acquire acquire)
{
mutex_lock(&wilc->hif_cs);
- if (acquire == ACQUIRE_AND_WAKEUP)
+ if (acquire == WILC_BUS_ACQUIRE_AND_WAKEUP)
chip_wakeup(wilc);
}
static inline void release_bus(struct wilc *wilc, enum bus_release release)
{
- if (release == RELEASE_ALLOW_SLEEP)
+ if (release == WILC_BUS_RELEASE_ALLOW_SLEEP)
chip_allow_sleep(wilc);
mutex_unlock(&wilc->hif_cs);
}
@@ -399,7 +399,7 @@ void chip_wakeup(struct wilc *wilc)
{
u32 reg, clk_status_reg;
- if ((wilc->io_type & 0x1) == HIF_SPI) {
+ if ((wilc->io_type & 0x1) == WILC_HIF_SPI) {
do {
wilc->hif_func->hif_read_reg(wilc, 1, &reg);
wilc->hif_func->hif_write_reg(wilc, 1, reg | BIT(1));
@@ -410,7 +410,7 @@ void chip_wakeup(struct wilc *wilc)
wilc_get_chipid(wilc, true);
} while (wilc_get_chipid(wilc, true) == 0);
} while (wilc_get_chipid(wilc, true) == 0);
- } else if ((wilc->io_type & 0x1) == HIF_SDIO) {
+ } else if ((wilc->io_type & 0x1) == WILC_HIF_SDIO) {
wilc->hif_func->hif_write_reg(wilc, 0xfa, 1);
usleep_range(200, 400);
wilc->hif_func->hif_read_reg(wilc, 0xf0, &reg);
@@ -433,7 +433,7 @@ void chip_wakeup(struct wilc *wilc)
} while ((clk_status_reg & 0x1) == 0);
}
- if (wilc->chip_ps_state == CHIP_SLEEPING_MANUAL) {
+ if (wilc->chip_ps_state == WILC_CHIP_SLEEPING_MANUAL) {
if (wilc_get_chipid(wilc, false) < 0x1002b0) {
u32 val32;
@@ -446,37 +446,37 @@ void chip_wakeup(struct wilc *wilc)
wilc->hif_func->hif_write_reg(wilc, 0x1e9c, val32);
}
}
- wilc->chip_ps_state = CHIP_WAKEDUP;
+ wilc->chip_ps_state = WILC_CHIP_WAKEDUP;
}
EXPORT_SYMBOL_GPL(chip_wakeup);
void wilc_chip_sleep_manually(struct wilc *wilc)
{
- if (wilc->chip_ps_state != CHIP_WAKEDUP)
+ if (wilc->chip_ps_state != WILC_CHIP_WAKEDUP)
return;
- acquire_bus(wilc, ACQUIRE_ONLY);
+ acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY);
chip_allow_sleep(wilc);
wilc->hif_func->hif_write_reg(wilc, 0x10a8, 1);
- wilc->chip_ps_state = CHIP_SLEEPING_MANUAL;
- release_bus(wilc, RELEASE_ONLY);
+ wilc->chip_ps_state = WILC_CHIP_SLEEPING_MANUAL;
+ release_bus(wilc, WILC_BUS_RELEASE_ONLY);
}
EXPORT_SYMBOL_GPL(wilc_chip_sleep_manually);
void host_wakeup_notify(struct wilc *wilc)
{
- acquire_bus(wilc, ACQUIRE_ONLY);
+ acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY);
wilc->hif_func->hif_write_reg(wilc, 0x10b0, 1);
- release_bus(wilc, RELEASE_ONLY);
+ release_bus(wilc, WILC_BUS_RELEASE_ONLY);
}
EXPORT_SYMBOL_GPL(host_wakeup_notify);
void host_sleep_notify(struct wilc *wilc)
{
- acquire_bus(wilc, ACQUIRE_ONLY);
+ acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY);
wilc->hif_func->hif_write_reg(wilc, 0x10ac, 1);
- release_bus(wilc, RELEASE_ONLY);
+ release_bus(wilc, WILC_BUS_RELEASE_ONLY);
}
EXPORT_SYMBOL_GPL(host_sleep_notify);
@@ -541,7 +541,7 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *txq_count)
goto out;
vmm_table[i] = 0x0;
- acquire_bus(wilc, ACQUIRE_AND_WAKEUP);
+ acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP);
counter = 0;
func = wilc->hif_func;
do {
@@ -584,7 +584,7 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *txq_count)
entries = ((reg >> 3) & 0x3f);
break;
}
- release_bus(wilc, RELEASE_ALLOW_SLEEP);
+ release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
} while (--timeout);
if (timeout <= 0) {
ret = func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, 0x0);
@@ -611,11 +611,11 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *txq_count)
goto out_release_bus;
if (entries == 0) {
- ret = WILC_TX_ERR_NO_BUF;
+ ret = -ENOBUFS;
goto out_release_bus;
}
- release_bus(wilc, RELEASE_ALLOW_SLEEP);
+ release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
offset = 0;
i = 0;
@@ -667,7 +667,7 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *txq_count)
kfree(tqe);
} while (--entries);
- acquire_bus(wilc, ACQUIRE_AND_WAKEUP);
+ acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP);
ret = func->hif_clear_int_ext(wilc, ENABLE_TX_VMM);
if (!ret)
@@ -676,7 +676,7 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *txq_count)
ret = func->hif_block_tx_ext(wilc, 0, txb, offset);
out_release_bus:
- release_bus(wilc, RELEASE_ALLOW_SLEEP);
+ release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
out:
mutex_unlock(&wilc->txq_add_to_head_cs);
@@ -775,7 +775,7 @@ static void wilc_pllupdate_isr_ext(struct wilc *wilc, u32 int_stats)
wilc->hif_func->hif_clear_int_ext(wilc, PLL_INT_CLR);
- if (wilc->io_type == HIF_SDIO)
+ if (wilc->io_type == WILC_HIF_SDIO)
mdelay(WILC_PLL_TO_SDIO);
else
mdelay(WILC_PLL_TO_SPI);
@@ -835,7 +835,7 @@ void wilc_handle_isr(struct wilc *wilc)
{
u32 int_status;
- acquire_bus(wilc, ACQUIRE_AND_WAKEUP);
+ acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP);
wilc->hif_func->hif_read_int(wilc, &int_status);
if (int_status & PLL_INT_EXT)
@@ -850,7 +850,7 @@ void wilc_handle_isr(struct wilc *wilc)
if (!(int_status & (ALL_INT_EXT)))
wilc_unknown_isr_ext(wilc);
- release_bus(wilc, RELEASE_ALLOW_SLEEP);
+ release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
}
EXPORT_SYMBOL_GPL(wilc_handle_isr);
@@ -874,7 +874,7 @@ int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer,
memcpy(&size, &buffer[offset + 4], 4);
le32_to_cpus(&addr);
le32_to_cpus(&size);
- acquire_bus(wilc, ACQUIRE_ONLY);
+ acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY);
offset += 8;
while (((int)size) && (offset < buffer_size)) {
if (size <= blksz)
@@ -892,7 +892,7 @@ int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer,
offset += size2;
size -= size2;
}
- release_bus(wilc, RELEASE_ONLY);
+ release_bus(wilc, WILC_BUS_RELEASE_ONLY);
if (!ret) {
ret = -EIO;
@@ -913,20 +913,20 @@ int wilc_wlan_start(struct wilc *wilc)
int ret;
u32 chipid;
- if (wilc->io_type == HIF_SDIO) {
+ if (wilc->io_type == WILC_HIF_SDIO) {
reg = 0;
reg |= BIT(3);
- } else if (wilc->io_type == HIF_SPI) {
+ } else if (wilc->io_type == WILC_HIF_SPI) {
reg = 1;
}
- acquire_bus(wilc, ACQUIRE_ONLY);
+ acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY);
ret = wilc->hif_func->hif_write_reg(wilc, WILC_VMM_CORE_CFG, reg);
if (!ret) {
- release_bus(wilc, RELEASE_ONLY);
+ release_bus(wilc, WILC_BUS_RELEASE_ONLY);
return -EIO;
}
reg = 0;
- if (wilc->io_type == HIF_SDIO && wilc->dev_irq_num)
+ if (wilc->io_type == WILC_HIF_SDIO && wilc->dev_irq_num)
reg |= WILC_HAVE_SDIO_IRQ_GPIO;
#ifdef WILC_DISABLE_PMU
@@ -954,7 +954,7 @@ int wilc_wlan_start(struct wilc *wilc)
ret = wilc->hif_func->hif_write_reg(wilc, WILC_GP_REG_1, reg);
if (!ret) {
- release_bus(wilc, RELEASE_ONLY);
+ release_bus(wilc, WILC_BUS_RELEASE_ONLY);
return -EIO;
}
@@ -962,7 +962,7 @@ int wilc_wlan_start(struct wilc *wilc)
ret = wilc->hif_func->hif_read_reg(wilc, 0x1000, &chipid);
if (!ret) {
- release_bus(wilc, RELEASE_ONLY);
+ release_bus(wilc, WILC_BUS_RELEASE_ONLY);
return -EIO;
}
@@ -976,7 +976,7 @@ int wilc_wlan_start(struct wilc *wilc)
reg |= BIT(10);
ret = wilc->hif_func->hif_write_reg(wilc, WILC_GLB_RESET_0, reg);
wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, &reg);
- release_bus(wilc, RELEASE_ONLY);
+ release_bus(wilc, WILC_BUS_RELEASE_ONLY);
return (ret < 0) ? ret : 0;
}
@@ -987,18 +987,18 @@ int wilc_wlan_stop(struct wilc *wilc)
int ret;
u8 timeout = 10;
- acquire_bus(wilc, ACQUIRE_AND_WAKEUP);
+ acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP);
ret = wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, &reg);
if (!ret) {
- release_bus(wilc, RELEASE_ALLOW_SLEEP);
+ release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
return ret;
}
reg &= ~BIT(10);
ret = wilc->hif_func->hif_write_reg(wilc, WILC_GLB_RESET_0, reg);
if (!ret) {
- release_bus(wilc, RELEASE_ALLOW_SLEEP);
+ release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
return ret;
}
@@ -1006,7 +1006,7 @@ int wilc_wlan_stop(struct wilc *wilc)
ret = wilc->hif_func->hif_read_reg(wilc,
WILC_GLB_RESET_0, &reg);
if (!ret) {
- release_bus(wilc, RELEASE_ALLOW_SLEEP);
+ release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
return ret;
}
@@ -1021,7 +1021,7 @@ int wilc_wlan_stop(struct wilc *wilc)
WILC_GLB_RESET_0,
&reg);
if (!ret) {
- release_bus(wilc, RELEASE_ALLOW_SLEEP);
+ release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
return ret;
}
break;
@@ -1036,7 +1036,7 @@ int wilc_wlan_stop(struct wilc *wilc)
ret = wilc->hif_func->hif_write_reg(wilc, WILC_GLB_RESET_0, reg);
- release_bus(wilc, RELEASE_ALLOW_SLEEP);
+ release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
return ret;
}
@@ -1072,18 +1072,18 @@ void wilc_wlan_cleanup(struct net_device *dev)
kfree(wilc->tx_buffer);
wilc->tx_buffer = NULL;
- acquire_bus(wilc, ACQUIRE_AND_WAKEUP);
+ acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP);
ret = wilc->hif_func->hif_read_reg(wilc, WILC_GP_REG_0, &reg);
if (!ret)
- release_bus(wilc, RELEASE_ALLOW_SLEEP);
+ release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
ret = wilc->hif_func->hif_write_reg(wilc, WILC_GP_REG_0,
(reg | ABORT_INT));
if (!ret)
- release_bus(wilc, RELEASE_ALLOW_SLEEP);
+ release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
- release_bus(wilc, RELEASE_ALLOW_SLEEP);
+ release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
wilc->hif_func->hif_deinit(NULL);
}
@@ -1122,8 +1122,7 @@ int wilc_wlan_cfg_set(struct wilc_vif *vif, int start, u16 wid, u8 *buffer,
int ret_size;
struct wilc *wilc = vif->wilc;
- if (wilc->cfg_frame_in_use)
- return 0;
+ mutex_lock(&wilc->cfg_cmd_lock);
if (start)
wilc->cfg_frame_offset = 0;
@@ -1134,11 +1133,12 @@ int wilc_wlan_cfg_set(struct wilc_vif *vif, int start, u16 wid, u8 *buffer,
offset += ret_size;
wilc->cfg_frame_offset = offset;
- if (!commit)
+ if (!commit) {
+ mutex_unlock(&wilc->cfg_cmd_lock);
return ret_size;
+ }
netdev_dbg(vif->ndev, "%s: seqno[%d]\n", __func__, wilc->cfg_seq_no);
- wilc->cfg_frame_in_use = 1;
if (wilc_wlan_cfg_commit(vif, WILC_CFG_SET, drv_handler))
ret_size = 0;
@@ -1149,9 +1149,9 @@ int wilc_wlan_cfg_set(struct wilc_vif *vif, int start, u16 wid, u8 *buffer,
ret_size = 0;
}
- wilc->cfg_frame_in_use = 0;
wilc->cfg_frame_offset = 0;
wilc->cfg_seq_no += 1;
+ mutex_unlock(&wilc->cfg_cmd_lock);
return ret_size;
}
@@ -1163,8 +1163,7 @@ int wilc_wlan_cfg_get(struct wilc_vif *vif, int start, u16 wid, int commit,
int ret_size;
struct wilc *wilc = vif->wilc;
- if (wilc->cfg_frame_in_use)
- return 0;
+ mutex_lock(&wilc->cfg_cmd_lock);
if (start)
wilc->cfg_frame_offset = 0;
@@ -1174,10 +1173,10 @@ int wilc_wlan_cfg_get(struct wilc_vif *vif, int start, u16 wid, int commit,
offset += ret_size;
wilc->cfg_frame_offset = offset;
- if (!commit)
+ if (!commit) {
+ mutex_unlock(&wilc->cfg_cmd_lock);
return ret_size;
-
- wilc->cfg_frame_in_use = 1;
+ }
if (wilc_wlan_cfg_commit(vif, WILC_CFG_QUERY, drv_handler))
ret_size = 0;
@@ -1187,9 +1186,9 @@ int wilc_wlan_cfg_get(struct wilc_vif *vif, int start, u16 wid, int commit,
netdev_dbg(vif->ndev, "%s: Timed Out\n", __func__);
ret_size = 0;
}
- wilc->cfg_frame_in_use = 0;
wilc->cfg_frame_offset = 0;
wilc->cfg_seq_no += 1;
+ mutex_unlock(&wilc->cfg_cmd_lock);
return ret_size;
}
@@ -1205,7 +1204,7 @@ int wilc_send_config_pkt(struct wilc_vif *vif, u8 mode, struct wid *wids,
int i;
int ret = 0;
- if (mode == GET_CFG) {
+ if (mode == WILC_GET_CFG) {
for (i = 0; i < count; i++) {
if (!wilc_wlan_cfg_get(vif, !i,
wids[i].id,
@@ -1221,7 +1220,7 @@ int wilc_send_config_pkt(struct wilc_vif *vif, u8 mode, struct wid *wids,
wids[i].val,
wids[i].size);
}
- } else if (mode == SET_CFG) {
+ } else if (mode == WILC_SET_CFG) {
for (i = 0; i < count; i++) {
if (!wilc_wlan_cfg_set(vif, !i,
wids[i].id,
@@ -1245,7 +1244,7 @@ static u32 init_chip(struct net_device *dev)
struct wilc_vif *vif = netdev_priv(dev);
struct wilc *wilc = vif->wilc;
- acquire_bus(wilc, ACQUIRE_ONLY);
+ acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY);
chipid = wilc_get_chipid(wilc, true);
@@ -1268,7 +1267,7 @@ static u32 init_chip(struct net_device *dev)
}
}
- release_bus(wilc, RELEASE_ONLY);
+ release_bus(wilc, WILC_BUS_RELEASE_ONLY);
return ret;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-12 05:59:51 +0300