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Diffstat (limited to 'drivers/net/wireless/ralink/rt2x00/rt2800soc.c')
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800soc.c257
1 files changed, 257 insertions, 0 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800soc.c b/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
new file mode 100644
index 000000000..bbfe1425c
--- /dev/null
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
@@ -0,0 +1,257 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
+ * Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
+ * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
+ * Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
+ * Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
+ * Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
+ * Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com>
+ * <http://rt2x00.serialmonkey.com>
+ */
+
+/* Module: rt2800soc
+ * Abstract: rt2800 WiSoC specific routines.
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include "rt2x00.h"
+#include "rt2x00mmio.h"
+#include "rt2x00soc.h"
+#include "rt2800.h"
+#include "rt2800lib.h"
+#include "rt2800mmio.h"
+
+/* Allow hardware encryption to be disabled. */
+static bool modparam_nohwcrypt;
+module_param_named(nohwcrypt, modparam_nohwcrypt, bool, 0444);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
+
+static bool rt2800soc_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
+{
+ return modparam_nohwcrypt;
+}
+
+static void rt2800soc_disable_radio(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2800_disable_radio(rt2x00dev);
+ rt2x00mmio_register_write(rt2x00dev, PWR_PIN_CFG, 0);
+
+ reg = 0;
+ if (rt2x00_rt(rt2x00dev, RT3883))
+ rt2x00_set_field32(&reg, TX_PIN_CFG_RFTR_EN, 1);
+
+ rt2x00mmio_register_write(rt2x00dev, TX_PIN_CFG, reg);
+}
+
+static int rt2800soc_set_device_state(struct rt2x00_dev *rt2x00dev,
+ enum dev_state state)
+{
+ int retval = 0;
+
+ switch (state) {
+ case STATE_RADIO_ON:
+ retval = rt2800mmio_enable_radio(rt2x00dev);
+ break;
+
+ case STATE_RADIO_OFF:
+ rt2800soc_disable_radio(rt2x00dev);
+ break;
+
+ case STATE_RADIO_IRQ_ON:
+ case STATE_RADIO_IRQ_OFF:
+ rt2800mmio_toggle_irq(rt2x00dev, state);
+ break;
+
+ case STATE_DEEP_SLEEP:
+ case STATE_SLEEP:
+ case STATE_STANDBY:
+ case STATE_AWAKE:
+ /* These states are not supported, but don't report an error */
+ retval = 0;
+ break;
+
+ default:
+ retval = -ENOTSUPP;
+ break;
+ }
+
+ if (unlikely(retval))
+ rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
+ state, retval);
+
+ return retval;
+}
+
+static int rt2800soc_read_eeprom(struct rt2x00_dev *rt2x00dev)
+{
+ void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
+
+ if (!base_addr)
+ return -ENOMEM;
+
+ memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
+
+ iounmap(base_addr);
+ return 0;
+}
+
+/* Firmware functions */
+static char *rt2800soc_get_firmware_name(struct rt2x00_dev *rt2x00dev)
+{
+ WARN_ON_ONCE(1);
+ return NULL;
+}
+
+static int rt2800soc_load_firmware(struct rt2x00_dev *rt2x00dev,
+ const u8 *data, const size_t len)
+{
+ WARN_ON_ONCE(1);
+ return 0;
+}
+
+static int rt2800soc_check_firmware(struct rt2x00_dev *rt2x00dev,
+ const u8 *data, const size_t len)
+{
+ WARN_ON_ONCE(1);
+ return 0;
+}
+
+static int rt2800soc_write_firmware(struct rt2x00_dev *rt2x00dev,
+ const u8 *data, const size_t len)
+{
+ WARN_ON_ONCE(1);
+ return 0;
+}
+
+static const struct ieee80211_ops rt2800soc_mac80211_ops = {
+ .tx = rt2x00mac_tx,
+ .start = rt2x00mac_start,
+ .stop = rt2x00mac_stop,
+ .add_interface = rt2x00mac_add_interface,
+ .remove_interface = rt2x00mac_remove_interface,
+ .config = rt2x00mac_config,
+ .configure_filter = rt2x00mac_configure_filter,
+ .set_key = rt2x00mac_set_key,
+ .sw_scan_start = rt2x00mac_sw_scan_start,
+ .sw_scan_complete = rt2x00mac_sw_scan_complete,
+ .get_stats = rt2x00mac_get_stats,
+ .get_key_seq = rt2800_get_key_seq,
+ .set_rts_threshold = rt2800_set_rts_threshold,
+ .sta_add = rt2800_sta_add,
+ .sta_remove = rt2800_sta_remove,
+ .bss_info_changed = rt2x00mac_bss_info_changed,
+ .conf_tx = rt2800_conf_tx,
+ .get_tsf = rt2800_get_tsf,
+ .rfkill_poll = rt2x00mac_rfkill_poll,
+ .ampdu_action = rt2800_ampdu_action,
+ .flush = rt2x00mac_flush,
+ .get_survey = rt2800_get_survey,
+ .get_ringparam = rt2x00mac_get_ringparam,
+ .tx_frames_pending = rt2x00mac_tx_frames_pending,
+ .reconfig_complete = rt2x00mac_reconfig_complete,
+};
+
+static const struct rt2800_ops rt2800soc_rt2800_ops = {
+ .register_read = rt2x00mmio_register_read,
+ .register_read_lock = rt2x00mmio_register_read, /* same for SoCs */
+ .register_write = rt2x00mmio_register_write,
+ .register_write_lock = rt2x00mmio_register_write, /* same for SoCs */
+ .register_multiread = rt2x00mmio_register_multiread,
+ .register_multiwrite = rt2x00mmio_register_multiwrite,
+ .regbusy_read = rt2x00mmio_regbusy_read,
+ .read_eeprom = rt2800soc_read_eeprom,
+ .hwcrypt_disabled = rt2800soc_hwcrypt_disabled,
+ .drv_write_firmware = rt2800soc_write_firmware,
+ .drv_init_registers = rt2800mmio_init_registers,
+ .drv_get_txwi = rt2800mmio_get_txwi,
+ .drv_get_dma_done = rt2800mmio_get_dma_done,
+};
+
+static const struct rt2x00lib_ops rt2800soc_rt2x00_ops = {
+ .irq_handler = rt2800mmio_interrupt,
+ .txstatus_tasklet = rt2800mmio_txstatus_tasklet,
+ .pretbtt_tasklet = rt2800mmio_pretbtt_tasklet,
+ .tbtt_tasklet = rt2800mmio_tbtt_tasklet,
+ .rxdone_tasklet = rt2800mmio_rxdone_tasklet,
+ .autowake_tasklet = rt2800mmio_autowake_tasklet,
+ .probe_hw = rt2800mmio_probe_hw,
+ .get_firmware_name = rt2800soc_get_firmware_name,
+ .check_firmware = rt2800soc_check_firmware,
+ .load_firmware = rt2800soc_load_firmware,
+ .initialize = rt2x00mmio_initialize,
+ .uninitialize = rt2x00mmio_uninitialize,
+ .get_entry_state = rt2800mmio_get_entry_state,
+ .clear_entry = rt2800mmio_clear_entry,
+ .set_device_state = rt2800soc_set_device_state,
+ .rfkill_poll = rt2800_rfkill_poll,
+ .link_stats = rt2800_link_stats,
+ .reset_tuner = rt2800_reset_tuner,
+ .link_tuner = rt2800_link_tuner,
+ .gain_calibration = rt2800_gain_calibration,
+ .vco_calibration = rt2800_vco_calibration,
+ .watchdog = rt2800_watchdog,
+ .start_queue = rt2800mmio_start_queue,
+ .kick_queue = rt2800mmio_kick_queue,
+ .stop_queue = rt2800mmio_stop_queue,
+ .flush_queue = rt2800mmio_flush_queue,
+ .write_tx_desc = rt2800mmio_write_tx_desc,
+ .write_tx_data = rt2800_write_tx_data,
+ .write_beacon = rt2800_write_beacon,
+ .clear_beacon = rt2800_clear_beacon,
+ .fill_rxdone = rt2800mmio_fill_rxdone,
+ .config_shared_key = rt2800_config_shared_key,
+ .config_pairwise_key = rt2800_config_pairwise_key,
+ .config_filter = rt2800_config_filter,
+ .config_intf = rt2800_config_intf,
+ .config_erp = rt2800_config_erp,
+ .config_ant = rt2800_config_ant,
+ .config = rt2800_config,
+ .pre_reset_hw = rt2800_pre_reset_hw,
+};
+
+static const struct rt2x00_ops rt2800soc_ops = {
+ .name = KBUILD_MODNAME,
+ .drv_data_size = sizeof(struct rt2800_drv_data),
+ .max_ap_intf = 8,
+ .eeprom_size = EEPROM_SIZE,
+ .rf_size = RF_SIZE,
+ .tx_queues = NUM_TX_QUEUES,
+ .queue_init = rt2800mmio_queue_init,
+ .lib = &rt2800soc_rt2x00_ops,
+ .drv = &rt2800soc_rt2800_ops,
+ .hw = &rt2800soc_mac80211_ops,
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+ .debugfs = &rt2800_rt2x00debug,
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+};
+
+static int rt2800soc_probe(struct platform_device *pdev)
+{
+ return rt2x00soc_probe(pdev, &rt2800soc_ops);
+}
+
+static struct platform_driver rt2800soc_driver = {
+ .driver = {
+ .name = "rt2800_wmac",
+ .mod_name = KBUILD_MODNAME,
+ },
+ .probe = rt2800soc_probe,
+ .remove = rt2x00soc_remove,
+ .suspend = rt2x00soc_suspend,
+ .resume = rt2x00soc_resume,
+};
+
+module_platform_driver(rt2800soc_driver);
+
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("Ralink WiSoC Wireless LAN driver.");
+MODULE_LICENSE("GPL");