mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-30 21:44:27 -04:00
1e5b7c17b0
Based on patch by Bryan Forbes <bryan@reigndropsfall.net> Also update mt76 to update for API changes Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 44655
140 lines
3.9 KiB
Diff
140 lines
3.9 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/debug.c
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+++ b/drivers/net/wireless/ath/ath9k/debug.c
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@@ -1447,6 +1447,50 @@ static const struct file_operations fops
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#endif
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+static ssize_t read_file_diag(struct file *file, char __user *user_buf,
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+ size_t count, loff_t *ppos)
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+{
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+ struct ath_softc *sc = file->private_data;
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+ struct ath_hw *ah = sc->sc_ah;
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+ char buf[32];
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+ unsigned int len;
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+
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+ len = sprintf(buf, "0x%08lx\n", ah->diag);
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+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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+}
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+
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+static ssize_t write_file_diag(struct file *file, const char __user *user_buf,
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+ size_t count, loff_t *ppos)
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+{
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+ struct ath_softc *sc = file->private_data;
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+ struct ath_hw *ah = sc->sc_ah;
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+ unsigned long diag;
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+ char buf[32];
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+ ssize_t len;
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+
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+ len = min(count, sizeof(buf) - 1);
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+ if (copy_from_user(buf, user_buf, len))
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+ return -EFAULT;
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+
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+ buf[len] = '\0';
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+ if (kstrtoul(buf, 0, &diag))
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+ return -EINVAL;
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+
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+ ah->diag = diag;
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+ ath9k_hw_update_diag(ah);
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+
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+ return count;
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+}
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+
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+static const struct file_operations fops_diag = {
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+ .read = read_file_diag,
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+ .write = write_file_diag,
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+ .open = simple_open,
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+ .owner = THIS_MODULE,
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+ .llseek = default_llseek,
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+};
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+
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+
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int ath9k_init_debug(struct ath_hw *ah)
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{
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struct ath_common *common = ath9k_hw_common(ah);
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@@ -1474,6 +1518,8 @@ int ath9k_init_debug(struct ath_hw *ah)
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debugfs_create_file("gpio_led", S_IWUSR,
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sc->debug.debugfs_phy, sc, &fops_gpio_led);
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#endif
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+ debugfs_create_file("diag", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
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+ sc, &fops_diag);
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debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy,
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read_file_dma);
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debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy,
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--- a/drivers/net/wireless/ath/ath9k/hw.h
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+++ b/drivers/net/wireless/ath/ath9k/hw.h
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@@ -499,6 +499,12 @@ enum {
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ATH9K_RESET_COLD,
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};
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+enum {
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+ ATH_DIAG_DISABLE_RX,
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+ ATH_DIAG_DISABLE_TX,
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+ ATH_DIAG_TRIGGER_ERROR,
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+};
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+
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struct ath9k_hw_version {
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u32 magic;
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u16 devid;
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@@ -780,6 +786,8 @@ struct ath_hw {
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u32 rfkill_polarity;
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u32 ah_flags;
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+ unsigned long diag;
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+
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bool reset_power_on;
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bool htc_reset_init;
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@@ -1040,6 +1048,7 @@ void ath9k_hw_check_nav(struct ath_hw *a
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bool ath9k_hw_check_alive(struct ath_hw *ah);
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bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
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+void ath9k_hw_update_diag(struct ath_hw *ah);
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/* Generic hw timer primitives */
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struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
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--- a/drivers/net/wireless/ath/ath9k/hw.c
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+++ b/drivers/net/wireless/ath/ath9k/hw.c
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@@ -1771,6 +1771,20 @@ u32 ath9k_hw_get_tsf_offset(struct times
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}
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EXPORT_SYMBOL(ath9k_hw_get_tsf_offset);
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+void ath9k_hw_update_diag(struct ath_hw *ah)
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+{
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+ if (test_bit(ATH_DIAG_DISABLE_RX, &ah->diag))
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+ REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_DIS);
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+ else
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+ REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_DIS);
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+
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+ if (test_bit(ATH_DIAG_DISABLE_TX, &ah->diag))
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+ REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_LOOP_BACK);
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+ else
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+ REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_LOOP_BACK);
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+}
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+EXPORT_SYMBOL(ath9k_hw_update_diag);
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+
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int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
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struct ath9k_hw_cal_data *caldata, bool fastcc)
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{
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@@ -1977,6 +1991,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
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ar9003_hw_disable_phy_restart(ah);
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ath9k_hw_apply_gpio_override(ah);
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+ ath9k_hw_update_diag(ah);
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if (AR_SREV_9565(ah) && common->bt_ant_diversity)
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REG_SET_BIT(ah, AR_BTCOEX_WL_LNADIV, AR_BTCOEX_WL_LNADIV_FORCE_ON);
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--- a/drivers/net/wireless/ath/ath9k/main.c
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+++ b/drivers/net/wireless/ath/ath9k/main.c
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@@ -531,6 +531,11 @@ irqreturn_t ath_isr(int irq, void *dev)
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if (test_bit(ATH_OP_HW_RESET, &common->op_flags))
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return IRQ_HANDLED;
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+ if (test_bit(ATH_DIAG_TRIGGER_ERROR, &ah->diag)) {
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+ status |= ATH9K_INT_FATAL;
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+ clear_bit(ATH_DIAG_TRIGGER_ERROR, &ah->diag);
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+ }
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+
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/*
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* If there are no status bits set, then this interrupt was not
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* for me (should have been caught above).
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