1 files changed, 0 insertions, 427 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c
deleted file mode 100644
index 743da57760dc..000000000000
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c
+++ /dev/null
@@ -1,427 +0,0 @@
-/*
- * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <linux/kernel.h>
-#include <linux/firmware.h>
-#include <linux/delay.h>
-
-#include "mt76x2.h"
-#include "mt76x2_mcu.h"
-#include "mt76x2_dma.h"
-#include "mt76x2_eeprom.h"
-
-static struct sk_buff *mt76x2_mcu_msg_alloc(const void *data, int len)
-{
-	struct sk_buff *skb;
-
-	skb = alloc_skb(len, GFP_KERNEL);
-	if (!skb)
-		return NULL;
-	memcpy(skb_put(skb, len), data, len);
-
-	return skb;
-}
-
-static struct sk_buff *
-mt76x2_mcu_get_response(struct mt76x2_dev *dev, unsigned long expires)
-{
-	unsigned long timeout;
-
-	if (!time_is_after_jiffies(expires))
-		return NULL;
-
-	timeout = expires - jiffies;
-	wait_event_timeout(dev->mcu.wait, !skb_queue_empty(&dev->mcu.res_q),
-			   timeout);
-	return skb_dequeue(&dev->mcu.res_q);
-}
-
-static int
-mt76x2_mcu_msg_send(struct mt76x2_dev *dev, struct sk_buff *skb,
-		    enum mcu_cmd cmd)
-{
-	unsigned long expires = jiffies + HZ;
-	int ret;
-	u8 seq;
-
-	if (!skb)
-		return -EINVAL;
-
-	mutex_lock(&dev->mcu.mutex);
-
-	seq = ++dev->mcu.msg_seq & 0xf;
-	if (!seq)
-		seq = ++dev->mcu.msg_seq & 0xf;
-
-	ret = mt76x2_tx_queue_mcu(dev, MT_TXQ_MCU, skb, cmd, seq);
-	if (ret)
-		goto out;
-
-	while (1) {
-		u32 *rxfce;
-		bool check_seq = false;
-
-		skb = mt76x2_mcu_get_response(dev, expires);
-		if (!skb) {
-			dev_err(dev->mt76.dev,
-				"MCU message %d (seq %d) timed out\n", cmd,
-				seq);
-			ret = -ETIMEDOUT;
-			break;
-		}
-
-		rxfce = (u32 *) skb->cb;
-
-		if (seq == FIELD_GET(MT_RX_FCE_INFO_CMD_SEQ, *rxfce))
-			check_seq = true;
-
-		dev_kfree_skb(skb);
-		if (check_seq)
-			break;
-	}
-
-out:
-	mutex_unlock(&dev->mcu.mutex);
-
-	return ret;
-}
-
-static int
-mt76pci_load_rom_patch(struct mt76x2_dev *dev)
-{
-	const struct firmware *fw = NULL;
-	struct mt76x2_patch_header *hdr;
-	bool rom_protect = !is_mt7612(dev);
-	int len, ret = 0;
-	__le32 *cur;
-	u32 patch_mask, patch_reg;
-
-	if (rom_protect && !mt76_poll(dev, MT_MCU_SEMAPHORE_03, 1, 1, 600)) {
-		dev_err(dev->mt76.dev,
-			"Could not get hardware semaphore for ROM PATCH\n");
-		return -ETIMEDOUT;
-	}
-
-	if (mt76xx_rev(dev) >= MT76XX_REV_E3) {
-		patch_mask = BIT(0);
-		patch_reg = MT_MCU_CLOCK_CTL;
-	} else {
-		patch_mask = BIT(1);
-		patch_reg = MT_MCU_COM_REG0;
-	}
-
-	if (rom_protect && (mt76_rr(dev, patch_reg) & patch_mask)) {
-		dev_info(dev->mt76.dev, "ROM patch already applied\n");
-		goto out;
-	}
-
-	ret = request_firmware(&fw, MT7662_ROM_PATCH, dev->mt76.dev);
-	if (ret)
-		goto out;
-
-	if (!fw || !fw->data || fw->size <= sizeof(*hdr)) {
-		ret = -EIO;
-		dev_err(dev->mt76.dev, "Failed to load firmware\n");
-		goto out;
-	}
-
-	hdr = (struct mt76x2_patch_header *) fw->data;
-	dev_info(dev->mt76.dev, "ROM patch build: %.15s\n", hdr->build_time);
-
-	mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, MT_MCU_ROM_PATCH_OFFSET);
-
-	cur = (__le32 *) (fw->data + sizeof(*hdr));
-	len = fw->size - sizeof(*hdr);
-	mt76_wr_copy(dev, MT_MCU_ROM_PATCH_ADDR, cur, len);
-
-	mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, 0);
-
-	/* Trigger ROM */
-	mt76_wr(dev, MT_MCU_INT_LEVEL, 4);
-
-	if (!mt76_poll_msec(dev, patch_reg, patch_mask, patch_mask, 2000)) {
-		dev_err(dev->mt76.dev, "Failed to load ROM patch\n");
-		ret = -ETIMEDOUT;
-	}
-
-out:
-	/* release semaphore */
-	if (rom_protect)
-		mt76_wr(dev, MT_MCU_SEMAPHORE_03, 1);
-	release_firmware(fw);
-	return ret;
-}
-
-static int
-mt76pci_load_firmware(struct mt76x2_dev *dev)
-{
-	const struct firmware *fw;
-	const struct mt76x2_fw_header *hdr;
-	int len, ret;
-	__le32 *cur;
-	u32 offset, val;
-
-	ret = request_firmware(&fw, MT7662_FIRMWARE, dev->mt76.dev);
-	if (ret)
-		return ret;
-
-	if (!fw || !fw->data || fw->size < sizeof(*hdr))
-		goto error;
-
-	hdr = (const struct mt76x2_fw_header *) fw->data;
-
-	len = sizeof(*hdr);
-	len += le32_to_cpu(hdr->ilm_len);
-	len += le32_to_cpu(hdr->dlm_len);
-
-	if (fw->size != len)
-		goto error;
-
-	val = le16_to_cpu(hdr->fw_ver);
-	dev_info(dev->mt76.dev, "Firmware Version: %d.%d.%02d\n",
-		 (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf);
-
-	val = le16_to_cpu(hdr->build_ver);
-	dev_info(dev->mt76.dev, "Build: %x\n", val);
-	dev_info(dev->mt76.dev, "Build Time: %.16s\n", hdr->build_time);
-
-	cur = (__le32 *) (fw->data + sizeof(*hdr));
-	len = le32_to_cpu(hdr->ilm_len);
-
-	mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, MT_MCU_ILM_OFFSET);
-	mt76_wr_copy(dev, MT_MCU_ILM_ADDR, cur, len);
-
-	cur += len / sizeof(*cur);
-	len = le32_to_cpu(hdr->dlm_len);
-
-	if (mt76xx_rev(dev) >= MT76XX_REV_E3)
-		offset = MT_MCU_DLM_ADDR_E3;
-	else
-		offset = MT_MCU_DLM_ADDR;
-
-	mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, MT_MCU_DLM_OFFSET);
-	mt76_wr_copy(dev, offset, cur, len);
-
-	mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, 0);
-
-	val = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_2);
-	if (FIELD_GET(MT_EE_NIC_CONF_2_XTAL_OPTION, val) == 1)
-		mt76_set(dev, MT_MCU_COM_REG0, BIT(30));
-
-	/* trigger firmware */
-	mt76_wr(dev, MT_MCU_INT_LEVEL, 2);
-	if (!mt76_poll_msec(dev, MT_MCU_COM_REG0, 1, 1, 200)) {
-		dev_err(dev->mt76.dev, "Firmware failed to start\n");
-		release_firmware(fw);
-		return -ETIMEDOUT;
-	}
-
-	dev_info(dev->mt76.dev, "Firmware running!\n");
-
-	release_firmware(fw);
-
-	return ret;
-
-error:
-	dev_err(dev->mt76.dev, "Invalid firmware\n");
-	release_firmware(fw);
-	return -ENOENT;
-}
-
-static int
-mt76x2_mcu_function_select(struct mt76x2_dev *dev, enum mcu_function func,
-			   u32 val)
-{
-	struct sk_buff *skb;
-	struct {
-	    __le32 id;
-	    __le32 value;
-	} __packed __aligned(4) msg = {
-	    .id = cpu_to_le32(func),
-	    .value = cpu_to_le32(val),
-	};
-
-	skb = mt76x2_mcu_msg_alloc(&msg, sizeof(msg));
-	return mt76x2_mcu_msg_send(dev, skb, CMD_FUN_SET_OP);
-}
-
-int mt76x2_mcu_load_cr(struct mt76x2_dev *dev, u8 type, u8 temp_level,
-		       u8 channel)
-{
-	struct sk_buff *skb;
-	struct {
-		u8 cr_mode;
-		u8 temp;
-		u8 ch;
-		u8 _pad0;
-
-		__le32 cfg;
-	} __packed __aligned(4) msg = {
-		.cr_mode = type,
-		.temp = temp_level,
-		.ch = channel,
-	};
-	u32 val;
-
-	val = BIT(31);
-	val |= (mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_0) >> 8) & 0x00ff;
-	val |= (mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1) << 8) & 0xff00;
-	msg.cfg = cpu_to_le32(val);
-
-	/* first set the channel without the extension channel info */
-	skb = mt76x2_mcu_msg_alloc(&msg, sizeof(msg));
-	return mt76x2_mcu_msg_send(dev, skb, CMD_LOAD_CR);
-}
-
-int mt76x2_mcu_set_channel(struct mt76x2_dev *dev, u8 channel, u8 bw,
-			   u8 bw_index, bool scan)
-{
-	struct sk_buff *skb;
-	struct {
-		u8 idx;
-		u8 scan;
-		u8 bw;
-		u8 _pad0;
-
-		__le16 chainmask;
-		u8 ext_chan;
-		u8 _pad1;
-
-	} __packed __aligned(4) msg = {
-		.idx = channel,
-		.scan = scan,
-		.bw = bw,
-		.chainmask = cpu_to_le16(dev->chainmask),
-	};
-
-	/* first set the channel without the extension channel info */
-	skb = mt76x2_mcu_msg_alloc(&msg, sizeof(msg));
-	mt76x2_mcu_msg_send(dev, skb, CMD_SWITCH_CHANNEL_OP);
-
-	usleep_range(5000, 10000);
-
-	msg.ext_chan = 0xe0 + bw_index;
-	skb = mt76x2_mcu_msg_alloc(&msg, sizeof(msg));
-	return mt76x2_mcu_msg_send(dev, skb, CMD_SWITCH_CHANNEL_OP);
-}
-
-int mt76x2_mcu_set_radio_state(struct mt76x2_dev *dev, bool on)
-{
-	struct sk_buff *skb;
-	struct {
-		__le32 mode;
-		__le32 level;
-	} __packed __aligned(4) msg = {
-		.mode = cpu_to_le32(on ? RADIO_ON : RADIO_OFF),
-		.level = cpu_to_le32(0),
-	};
-
-	skb = mt76x2_mcu_msg_alloc(&msg, sizeof(msg));
-	return mt76x2_mcu_msg_send(dev, skb, CMD_POWER_SAVING_OP);
-}
-
-int mt76x2_mcu_calibrate(struct mt76x2_dev *dev, enum mcu_calibration type,
-			 u32 param)
-{
-	struct sk_buff *skb;
-	struct {
-		__le32 id;
-		__le32 value;
-	} __packed __aligned(4) msg = {
-		.id = cpu_to_le32(type),
-		.value = cpu_to_le32(param),
-	};
-	int ret;
-
-	mt76_clear(dev, MT_MCU_COM_REG0, BIT(31));
-
-	skb = mt76x2_mcu_msg_alloc(&msg, sizeof(msg));
-	ret = mt76x2_mcu_msg_send(dev, skb, CMD_CALIBRATION_OP);
-	if (ret)
-		return ret;
-
-	if (WARN_ON(!mt76_poll_msec(dev, MT_MCU_COM_REG0,
-				    BIT(31), BIT(31), 100)))
-		return -ETIMEDOUT;
-
-	return 0;
-}
-
-int mt76x2_mcu_tssi_comp(struct mt76x2_dev *dev,
-			 struct mt76x2_tssi_comp *tssi_data)
-{
-	struct sk_buff *skb;
-	struct {
-		__le32 id;
-		struct mt76x2_tssi_comp data;
-	} __packed __aligned(4) msg = {
-		.id = cpu_to_le32(MCU_CAL_TSSI_COMP),
-		.data = *tssi_data,
-	};
-
-	skb = mt76x2_mcu_msg_alloc(&msg, sizeof(msg));
-	return mt76x2_mcu_msg_send(dev, skb, CMD_CALIBRATION_OP);
-}
-
-int mt76x2_mcu_init_gain(struct mt76x2_dev *dev, u8 channel, u32 gain,
-			 bool force)
-{
-	struct sk_buff *skb;
-	struct {
-		__le32 channel;
-		__le32 gain_val;
-	} __packed __aligned(4) msg = {
-		.channel = cpu_to_le32(channel),
-		.gain_val = cpu_to_le32(gain),
-	};
-
-	if (force)
-		msg.channel |= cpu_to_le32(BIT(31));
-
-	skb = mt76x2_mcu_msg_alloc(&msg, sizeof(msg));
-	return mt76x2_mcu_msg_send(dev, skb, CMD_INIT_GAIN_OP);
-}
-
-int mt76x2_mcu_init(struct mt76x2_dev *dev)
-{
-	int ret;
-
-	mutex_init(&dev->mcu.mutex);
-
-	ret = mt76pci_load_rom_patch(dev);
-	if (ret)
-		return ret;
-
-	ret = mt76pci_load_firmware(dev);
-	if (ret)
-		return ret;
-
-	mt76x2_mcu_function_select(dev, Q_SELECT, 1);
-	return 0;
-}
-
-int mt76x2_mcu_cleanup(struct mt76x2_dev *dev)
-{
-	struct sk_buff *skb;
-
-	mt76_wr(dev, MT_MCU_INT_LEVEL, 1);
-	usleep_range(20000, 30000);
-
-	while ((skb = skb_dequeue(&dev->mcu.res_q)) != NULL)
-		dev_kfree_skb(skb);
-
-	return 0;
-}