summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/microchip/wilc1000/sdio.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/microchip/wilc1000/sdio.c')
-rw-r--r--drivers/net/wireless/microchip/wilc1000/sdio.c99
1 files changed, 65 insertions, 34 deletions
diff --git a/drivers/net/wireless/microchip/wilc1000/sdio.c b/drivers/net/wireless/microchip/wilc1000/sdio.c
index b4da05d5a498..5262c8846c13 100644
--- a/drivers/net/wireless/microchip/wilc1000/sdio.c
+++ b/drivers/net/wireless/microchip/wilc1000/sdio.c
@@ -182,6 +182,14 @@ static int wilc_sdio_probe(struct sdio_func *func,
wilc_sdio_init(wilc, false);
+ ret = wilc_get_chipid(wilc);
+ if (ret)
+ goto dispose_irq;
+
+ ret = wilc_cfg80211_register(wilc);
+ if (ret)
+ goto dispose_irq;
+
ret = wilc_load_mac_from_nv(wilc);
if (ret) {
pr_err("Can not retrieve MAC address from chip\n");
@@ -667,7 +675,6 @@ static int wilc_sdio_init(struct wilc *wilc, bool resume)
struct wilc_sdio *sdio_priv = wilc->bus_data;
struct sdio_cmd52 cmd;
int loop, ret;
- u32 chipid;
/**
* function 0 csa enable
@@ -756,18 +763,6 @@ static int wilc_sdio_init(struct wilc *wilc, bool resume)
return ret;
}
- /**
- * make sure can read back chip id correctly
- **/
- if (!resume) {
- ret = wilc_sdio_read_reg(wilc, WILC_CHIPID, &chipid);
- if (ret) {
- dev_err(&func->dev, "Fail cmd read chip id...\n");
- return ret;
- }
- dev_err(&func->dev, "chipid (%08x)\n", chipid);
- }
-
sdio_priv->isinit = true;
return 0;
}
@@ -815,13 +810,19 @@ static int wilc_sdio_read_int(struct wilc *wilc, u32 *int_status)
cmd.address = WILC_SDIO_EXT_IRQ_FLAG_REG;
} else {
cmd.function = 0;
- cmd.address = WILC_SDIO_IRQ_FLAG_REG;
+ cmd.address = is_wilc1000(wilc->chipid) ?
+ WILC1000_SDIO_IRQ_FLAG_REG :
+ WILC3000_SDIO_IRQ_FLAG_REG;
}
cmd.raw = 0;
cmd.read_write = 0;
cmd.data = 0;
wilc_sdio_cmd52(wilc, &cmd);
irq_flags = cmd.data;
+
+ if (sdio_priv->irq_gpio)
+ irq_flags &= is_wilc1000(wilc->chipid) ? 0x1f : 0x0f;
+
tmp |= FIELD_PREP(IRG_FLAGS_MASK, cmd.data);
if (FIELD_GET(UNHANDLED_IRQ_MASK, irq_flags))
@@ -843,22 +844,56 @@ static int wilc_sdio_clear_int_ext(struct wilc *wilc, u32 val)
if (sdio_priv->irq_gpio)
reg = val & (BIT(MAX_NUM_INT) - 1);
- /* select VMM table 0 */
- if (val & SEL_VMM_TBL0)
- reg |= BIT(5);
- /* select VMM table 1 */
- if (val & SEL_VMM_TBL1)
- reg |= BIT(6);
- /* enable VMM */
- if (val & EN_VMM)
- reg |= BIT(7);
+ if (is_wilc1000(wilc->chipid)) {
+ /* select VMM table 0 */
+ if (val & SEL_VMM_TBL0)
+ reg |= BIT(5);
+ /* select VMM table 1 */
+ if (val & SEL_VMM_TBL1)
+ reg |= BIT(6);
+ /* enable VMM */
+ if (val & EN_VMM)
+ reg |= BIT(7);
+ } else {
+ if (sdio_priv->irq_gpio && reg) {
+ struct sdio_cmd52 cmd;
+
+ cmd.read_write = 1;
+ cmd.function = 0;
+ cmd.raw = 0;
+ cmd.address = WILC3000_SDIO_IRQ_FLAG_REG;
+ cmd.data = reg;
+
+ ret = wilc_sdio_cmd52(wilc, &cmd);
+ if (ret) {
+ dev_err(&func->dev,
+ "Failed cmd52, set 0xfe data (%d) ...\n",
+ __LINE__);
+ return ret;
+ }
+ }
+
+ reg = 0;
+ /* select VMM table 0 */
+ if (val & SEL_VMM_TBL0)
+ reg |= BIT(0);
+ /* select VMM table 1 */
+ if (val & SEL_VMM_TBL1)
+ reg |= BIT(1);
+ /* enable VMM */
+ if (val & EN_VMM)
+ reg |= BIT(2);
+ }
+
if (reg) {
struct sdio_cmd52 cmd;
cmd.read_write = 1;
cmd.function = 0;
cmd.raw = 0;
- cmd.address = WILC_SDIO_IRQ_CLEAR_FLAG_REG;
+ cmd.address = is_wilc1000(wilc->chipid) ?
+ WILC1000_SDIO_IRQ_CLEAR_FLAG_REG :
+ WILC3000_SDIO_VMM_TBL_CTRL_REG;
cmd.data = reg;
ret = wilc_sdio_cmd52(wilc, &cmd);
@@ -979,17 +1014,15 @@ static int wilc_sdio_suspend(struct device *dev)
if (!IS_ERR(wilc->rtc_clk))
clk_disable_unprepare(wilc->rtc_clk);
- host_sleep_notify(wilc);
-
- wilc_sdio_disable_interrupt(wilc);
-
- ret = wilc_sdio_reset(wilc);
+ ret = host_sleep_notify(wilc);
if (ret) {
- dev_err(&func->dev, "Fail reset sdio\n");
+ clk_prepare_enable(wilc->rtc_clk);
return ret;
}
- return 0;
+ wilc_sdio_disable_interrupt(wilc);
+
+ return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
}
static int wilc_sdio_resume(struct device *dev)
@@ -1008,9 +1041,7 @@ static int wilc_sdio_resume(struct device *dev)
wilc_sdio_init(wilc, true);
wilc_sdio_enable_interrupt(wilc);
- host_wakeup_notify(wilc);
-
- return 0;
+ return host_wakeup_notify(wilc);
}
static const struct of_device_id wilc_of_match[] = {