static int ath9k_of_init(struct ath_softc *sc)
{
struct device_node *np = sc->dev->of_node;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
enum ath_bus_type bus_type = common->bus_ops->ath_bus_type;
const char *mac;
char eeprom_name[100];
int ret;
if (!of_device_is_available(np))
return 0;
ath_dbg(common, CONFIG, "parsing configuration from OF node\n");
if (of_property_read_bool(np, "qca,no-eeprom")) {
/* ath9k-eeprom-<bus>-<id>.bin */
scnprintf(eeprom_name, sizeof(eeprom_name),
"ath9k-eeprom-%s-%s.bin",
ath_bus_type_to_string(bus_type), dev_name(ah->dev));
ret = ath9k_eeprom_request(sc, eeprom_name);
if (ret)
return ret;
ah->ah_flags &= ~AH_USE_EEPROM;
ah->ah_flags |= AH_NO_EEP_SWAP;
}
mac = of_get_mac_address(np);
if (!IS_ERR(mac))
ether_addr_copy(common->macaddr, mac);
return 0;
}
static int ath9k_init_platform(struct ath_softc *sc)
{
struct ath9k_platform_data *pdata = sc->dev->platform_data;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
int ret;
if (!pdata)
return 0;
if (!pdata->use_eeprom) {
ah->ah_flags &= ~AH_USE_EEPROM;
ah->gpio_mask = pdata->gpio_mask;
ah->gpio_val = pdata->gpio_val;
ah->led_pin = pdata->led_pin;
ah->is_clk_25mhz = pdata->is_clk_25mhz;
ah->get_mac_revision = pdata->get_mac_revision;
ah->external_reset = pdata->external_reset;
ah->disable_2ghz = pdata->disable_2ghz;
ah->disable_5ghz = pdata->disable_5ghz;
if (!pdata->endian_check)
ah->ah_flags |= AH_NO_EEP_SWAP;
}
if (pdata->eeprom_name) {
ret = ath9k_eeprom_request(sc, pdata->eeprom_name);
if (ret)
return ret;
}
if (pdata->led_active_high)
ah->config.led_active_high = true;
if (pdata->tx_gain_buffalo)
ah->config.tx_gain_buffalo = true;
if (pdata->macaddr)
ether_addr_copy(common->macaddr, pdata->macaddr);
return 0;
}
static int ath9k_init_soc_platform(struct ath_softc *sc)
{
struct ath9k_platform_data *pdata = sc->dev->platform_data;
struct ath_hw *ah = sc->sc_ah;
int ret = 0;
if (!pdata)
return 0;
if (pdata->eeprom_name) {
ret = ath9k_eeprom_request(sc, pdata->eeprom_name);
if (ret)
return ret;
}
if (pdata->tx_gain_buffalo)
ah->config.tx_gain_buffalo = true;
return ret;
}
static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
const struct ath_bus_ops *bus_ops)
{
struct ath9k_platform_data *pdata = sc->dev->platform_data;
struct ath_hw *ah = NULL;
struct ath9k_hw_capabilities *pCap;
struct ath_common *common;
int ret = 0, i;
int csz = 0;
ah = devm_kzalloc(sc->dev, sizeof(struct ath_hw), GFP_KERNEL);
if (!ah)
return -ENOMEM;
ah->dev = sc->dev;
ah->hw = sc->hw;
ah->hw_version.devid = devid;
ah->reg_ops.read = ath9k_ioread32;
ah->reg_ops.write = ath9k_iowrite32;
ah->reg_ops.rmw = ath9k_reg_rmw;
atomic_set(&ah->intr_ref_cnt, -1);
sc->sc_ah = ah;
pCap = &ah->caps;
common = ath9k_hw_common(ah);
sc->dfs_detector = dfs_pattern_detector_init(common, NL80211_DFS_UNSET);
sc->tx99_power = MAX_RATE_POWER + 1;
if (!pdata) {
ah->ah_flags |= AH_USE_EEPROM;
sc->sc_ah->led_pin = -1;
} else {
sc->sc_ah->gpio_mask = pdata->gpio_mask;
sc->sc_ah->gpio_val = pdata->gpio_val;
sc->sc_ah->led_pin = pdata->led_pin;
ah->is_clk_25mhz = pdata->is_clk_25mhz;
ah->get_mac_revision = pdata->get_mac_revision;
ah->external_reset = pdata->external_reset;
}
common->ops = &ah->reg_ops;
common->bus_ops = bus_ops;
common->ah = ah;
common->hw = sc->hw;
common->priv = sc;
common->debug_mask = ath9k_debug;
common->btcoex_enabled = ath9k_btcoex_enable == 1;
common->disable_ani = false;
/*
* Platform quirks.
*/
ath9k_init_platform(sc);
/*
* Enable WLAN/BT RX Antenna diversity only when:
*
* - BTCOEX is disabled.
* - the user manually requests the feature.
* - the HW cap is set using the platform data.
*/
if (!common->btcoex_enabled && ath9k_bt_ant_diversity &&
(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV))
common->bt_ant_diversity = 1;
spin_lock_init(&common->cc_lock);
spin_lock_init(&sc->sc_serial_rw);
spin_lock_init(&sc->sc_pm_lock);
mutex_init(&sc->mutex);
tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
tasklet_init(&sc->bcon_tasklet, ath9k_beacon_tasklet,
(unsigned long)sc);
INIT_WORK(&sc->hw_reset_work, ath_reset_work);
INIT_WORK(&sc->hw_check_work, ath_hw_check);
INIT_WORK(&sc->paprd_work, ath_paprd_calibrate);
INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work);
setup_timer(&sc->rx_poll_timer, ath_rx_poll, (unsigned long)sc);
/*
* Cache line size is used to size and align various
* structures used to communicate with the hardware.
*/
ath_read_cachesize(common, &csz);
common->cachelsz = csz << 2; /* convert to bytes */
if (pdata && pdata->eeprom_name) {
ret = ath9k_eeprom_request(sc, pdata->eeprom_name);
if (ret)
return ret;
}
/* Initializes the hardware for all supported chipsets */
ret = ath9k_hw_init(ah);
if (ret)
goto err_hw;
if (pdata && pdata->macaddr)
memcpy(common->macaddr, pdata->macaddr, ETH_ALEN);
ret = ath9k_init_queues(sc);
if (ret)
goto err_queues;
ret = ath9k_init_btcoex(sc);
if (ret)
goto err_btcoex;
ret = ath9k_init_channels_rates(sc);
if (ret)
goto err_btcoex;
ath9k_cmn_init_crypto(sc->sc_ah);
ath9k_init_misc(sc);
ath_fill_led_pin(sc);
if (common->bus_ops->aspm_init)
common->bus_ops->aspm_init(common);
return 0;
err_btcoex:
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
if (ATH_TXQ_SETUP(sc, i))
ath_tx_cleanupq(sc, &sc->tx.txq[i]);
err_queues:
ath9k_hw_deinit(ah);
err_hw:
ath9k_eeprom_release(sc);
dev_kfree_skb_any(sc->tx99_skb);
return ret;
}
