diff options
Diffstat (limited to 'drivers/net/wireless/microchip/wilc1000/sdio.c')
-rw-r--r-- | drivers/net/wireless/microchip/wilc1000/sdio.c | 99 |
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[] = { |