[v2,11/24] mt76x0: usb: move mcu code in usb_mcu.c

Message ID	20180928064017.26870-12-lorenzo.bianconi@redhat.com (mailing list archive)
State	Changes Requested
Delegated to:	Kalle Valo
Headers	show Return-Path: <linux-wireless-owner@kernel.org> From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> To: nbd@nbd.name Cc: sgruszka@redhat.com, linux-wireless@vger.kernel.org Subject: [PATCH v2 11/24] mt76x0: usb: move mcu code in usb_mcu.c Date: Fri, 28 Sep 2018 08:40:04 +0200 Message-Id: <20180928064017.26870-12-lorenzo.bianconi@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk
Series	add mt76x0e hw initialization support \| expand [v2,00/24] add mt76x0e hw initialization support [v2,01/24] mt76x0: use mt76_poll in mt76x0_set_wlan_state [v2,02/24] mt76: move wait_for_wpdma in mt76x02_dma.h [v2,03/24] mt76: add mt76x02_dma_enable/mt76x02_dma_disable utility routines [v2,04/24] mt76: move mt76x02_set_irq_mask in mt76x02_mmio.c [v2,05/24] mt76: move queue initialization in mt76x02_mmio.c [v2,06/24] mt76: move mt76x02_beacon_offset in mt76x02_util.c [v2,07/24] mt76: mmio: add implementation of wr_rp and rd_rp [v2,08/24] mt76: move mt76x2_wait_for_bbp in mt76x02-lib module [v2,09/24] mt76x0: update initvals to latest version of vendor driver [v2,10/24] mt76x0: pci: move mcu code in pci_mcu.c [v2,11/24] mt76x0: usb: move mcu code in usb_mcu.c [v2,12/24] mt76x0: use mt76x02 utility routines in mt76x0 init code [v2,13/24] mt76x0: init: remove duplicated initialization [v2,14/24] mt76x0: init: remove MT_PBF_SYS_CTRL configuration in mt76x0_reset_csr_bbp [v2,15/24] mt76x0: init rx filter in mt76x0_init_hardware [v2,16/24] mt76: add mt76x02_mac_start routine [v2,17/24] mt76x0: usb: move initialization code in usb.c [v2,18/24] mt76x0: pci: add hw initialization at bootstrap [v2,19/24] mt76x0: phy: set antenna parameter according to wireless band [v2,20/24] mt76: move set_{tx,rx}_path routines in mt76x02-lib module [v2,21/24] mt76x0: add ieee80211_ops ops pointer to mt76x0_alloc_device signature [v2,22/24] mt76x0: pci: add mt76x0e_{start/stop} callbacks [v2,23/24] mt76x0: eeprom: load eeprom data from mtd by default [v2,24/24] mt76x0: usb: move mt76x0u_tx_prepare_skb in usb.c

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/Makefile b/drivers/net/wireless/mediatek/mt76/mt76x0/Makefile index 598c4f53a8a4..254d94efd24d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/Makefile +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/Makefile @@ -5,7 +5,7 @@ obj-$(CONFIG_MT76x0_COMMON) += mt76x0-common.o mt76x0-common-y := \ init.o main.o trace.o eeprom.o phy.o \ mac.o debugfs.o tx.o -mt76x0u-y := usb.o +mt76x0u-y := usb.o usb_mcu.o mt76x0e-y := pci.o pci_mcu.o # ccflags-y := -DDEBUG diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.h b/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.h index dae9da105238..297bf6b94d8c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.h @@ -42,6 +42,7 @@ enum mcu_calibrate { }; int mt76x0e_mcu_init(struct mt76x0_dev *dev); +int mt76x0u_mcu_init(struct mt76x0_dev *dev); static inline int mt76x0_firmware_running(struct mt76x0_dev *dev) { return mt76_rr(dev, MT_MCU_COM_REG0) == 1; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c index 0d563462871f..7ad4dacb7411 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c @@ -13,7 +13,6 @@ #include <linux/kernel.h> #include <linux/module.h> -#include <linux/firmware.h> #include <linux/usb.h> #include "mt76x0.h" @@ -22,8 +21,6 @@ #include "../mt76x02_util.h" #include "../mt76x02_usb.h" -#define MT7610U_FIRMWARE "mediatek/mt7610u.bin" - static struct usb_device_id mt76x0_device_table[] = { { USB_DEVICE(0x148F, 0x7610) }, /* MT7610U */ { USB_DEVICE(0x13B1, 0x003E) }, /* Linksys AE6000 */ @@ -52,159 +49,6 @@ static struct usb_device_id mt76x0_device_table[] = { { 0, } }; -#define MCU_FW_URB_MAX_PAYLOAD 0x38f8 -#define MCU_FW_URB_SIZE (MCU_FW_URB_MAX_PAYLOAD + 12) - -static int -mt76x0u_upload_firmware(struct mt76x0_dev *dev, - const struct mt76x02_fw_header *hdr) -{ - u8 *fw_payload = (u8 *)(hdr + 1); - u32 ilm_len, dlm_len; - void *ivb; - int err; - - ivb = kmemdup(fw_payload, MT_MCU_IVB_SIZE, GFP_KERNEL); - if (!ivb) - return -ENOMEM; - - ilm_len = le32_to_cpu(hdr->ilm_len) - MT_MCU_IVB_SIZE; - dev_dbg(dev->mt76.dev, "loading FW - ILM %u + IVB %u\n", - ilm_len, MT_MCU_IVB_SIZE); - err = mt76x02u_mcu_fw_send_data(&dev->mt76, - fw_payload + MT_MCU_IVB_SIZE, - ilm_len, MCU_FW_URB_MAX_PAYLOAD, - MT_MCU_IVB_SIZE); - if (err) - goto out; - - dlm_len = le32_to_cpu(hdr->dlm_len); - dev_dbg(dev->mt76.dev, "loading FW - DLM %u\n", dlm_len); - err = mt76x02u_mcu_fw_send_data(&dev->mt76, - fw_payload + le32_to_cpu(hdr->ilm_len), - dlm_len, MCU_FW_URB_MAX_PAYLOAD, - MT_MCU_DLM_OFFSET); - if (err) - goto out; - - err = mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE, - USB_DIR_OUT | USB_TYPE_VENDOR, - 0x12, 0, ivb, MT_MCU_IVB_SIZE); - if (err < 0) - goto out; - - if (!mt76_poll_msec(dev, MT_MCU_COM_REG0, 1, 1, 1000)) { - dev_err(dev->mt76.dev, "Firmware failed to start\n"); - err = -ETIMEDOUT; - goto out; - } - - dev_dbg(dev->mt76.dev, "Firmware running!\n"); - -out: - kfree(ivb); - - return err; -} - -static int mt76x0u_load_firmware(struct mt76x0_dev *dev) -{ - const struct firmware *fw; - const struct mt76x02_fw_header *hdr; - int len, ret; - u32 val; - - mt76_wr(dev, MT_USB_DMA_CFG, (MT_USB_DMA_CFG_RX_BULK_EN | - MT_USB_DMA_CFG_TX_BULK_EN)); - - if (mt76x0_firmware_running(dev)) - return 0; - - ret = request_firmware(&fw, MT7610U_FIRMWARE, dev->mt76.dev); - if (ret) - return ret; - - if (!fw || !fw->data || fw->size < sizeof(*hdr)) - goto err_inv_fw; - - hdr = (const struct mt76x02_fw_header *)fw->data; - - if (le32_to_cpu(hdr->ilm_len) <= MT_MCU_IVB_SIZE) - goto err_inv_fw; - - len = sizeof(*hdr); - len += le32_to_cpu(hdr->ilm_len); - len += le32_to_cpu(hdr->dlm_len); - - if (fw->size != len) - goto err_inv_fw; - - val = le16_to_cpu(hdr->fw_ver); - dev_dbg(dev->mt76.dev, - "Firmware Version: %d.%d.%02d Build: %x Build time: %.16s\n", - (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf, - le16_to_cpu(hdr->build_ver), hdr->build_time); - - len = le32_to_cpu(hdr->ilm_len); - - mt76_wr(dev, 0x1004, 0x2c); - - mt76_set(dev, MT_USB_DMA_CFG, (MT_USB_DMA_CFG_RX_BULK_EN | - MT_USB_DMA_CFG_TX_BULK_EN) | - FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, 0x20)); - mt76x02u_mcu_fw_reset(&dev->mt76); - msleep(5); -/* - mt76x0_rmw(dev, MT_PBF_CFG, 0, (MT_PBF_CFG_TX0Q_EN | - MT_PBF_CFG_TX1Q_EN | - MT_PBF_CFG_TX2Q_EN | - MT_PBF_CFG_TX3Q_EN)); -*/ - - mt76_wr(dev, MT_FCE_PSE_CTRL, 1); - - /* FCE tx_fs_base_ptr */ - mt76_wr(dev, MT_TX_CPU_FROM_FCE_BASE_PTR, 0x400230); - /* FCE tx_fs_max_cnt */ - mt76_wr(dev, MT_TX_CPU_FROM_FCE_MAX_COUNT, 1); - /* FCE pdma enable */ - mt76_wr(dev, MT_FCE_PDMA_GLOBAL_CONF, 0x44); - /* FCE skip_fs_en */ - mt76_wr(dev, MT_FCE_SKIP_FS, 3); - - val = mt76_rr(dev, MT_USB_DMA_CFG); - val |= MT_USB_DMA_CFG_UDMA_TX_WL_DROP; - mt76_wr(dev, MT_USB_DMA_CFG, val); - val &= ~MT_USB_DMA_CFG_UDMA_TX_WL_DROP; - mt76_wr(dev, MT_USB_DMA_CFG, val); - - ret = mt76x0u_upload_firmware(dev, hdr); - mt76x02_set_ethtool_fwver(&dev->mt76, hdr); - release_firmware(fw); - - mt76_wr(dev, MT_FCE_PSE_CTRL, 1); - - return ret; - -err_inv_fw: - dev_err(dev->mt76.dev, "Invalid firmware image\n"); - release_firmware(fw); - return -ENOENT; -} - -static int mt76x0u_mcu_init(struct mt76x0_dev *dev) -{ - int ret; - - ret = mt76x0u_load_firmware(dev); - if (ret < 0) - return ret; - - set_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state); - - return 0; -} - static int mt76x0u_probe(struct usb_interface *usb_intf, const struct usb_device_id *id) { @@ -351,7 +195,6 @@ static int __maybe_unused mt76x0_resume(struct usb_interface *usb_intf) } MODULE_DEVICE_TABLE(usb, mt76x0_device_table); -MODULE_FIRMWARE(MT7610U_FIRMWARE); MODULE_LICENSE("GPL"); static struct usb_driver mt76x0_driver = { diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb_mcu.c new file mode 100644 index 000000000000..4c5b7a6f15ce --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb_mcu.c @@ -0,0 +1,176 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * 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 "mt76x0.h" +#include "mcu.h" +#include "../mt76x02_usb.h" + +#define MCU_FW_URB_MAX_PAYLOAD 0x38f8 +#define MCU_FW_URB_SIZE (MCU_FW_URB_MAX_PAYLOAD + 12) +#define MT7610U_FIRMWARE "mediatek/mt7610u.bin" + +static int +mt76x0u_upload_firmware(struct mt76x0_dev *dev, + const struct mt76x02_fw_header *hdr) +{ + u8 *fw_payload = (u8 *)(hdr + 1); + u32 ilm_len, dlm_len; + void *ivb; + int err; + + ivb = kmemdup(fw_payload, MT_MCU_IVB_SIZE, GFP_KERNEL); + if (!ivb) + return -ENOMEM; + + ilm_len = le32_to_cpu(hdr->ilm_len) - MT_MCU_IVB_SIZE; + dev_dbg(dev->mt76.dev, "loading FW - ILM %u + IVB %u\n", + ilm_len, MT_MCU_IVB_SIZE); + err = mt76x02u_mcu_fw_send_data(&dev->mt76, + fw_payload + MT_MCU_IVB_SIZE, + ilm_len, MCU_FW_URB_MAX_PAYLOAD, + MT_MCU_IVB_SIZE); + if (err) + goto out; + + dlm_len = le32_to_cpu(hdr->dlm_len); + dev_dbg(dev->mt76.dev, "loading FW - DLM %u\n", dlm_len); + err = mt76x02u_mcu_fw_send_data(&dev->mt76, + fw_payload + le32_to_cpu(hdr->ilm_len), + dlm_len, MCU_FW_URB_MAX_PAYLOAD, + MT_MCU_DLM_OFFSET); + if (err) + goto out; + + err = mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE, + USB_DIR_OUT | USB_TYPE_VENDOR, + 0x12, 0, ivb, MT_MCU_IVB_SIZE); + if (err < 0) + goto out; + + if (!mt76_poll_msec(dev, MT_MCU_COM_REG0, 1, 1, 1000)) { + dev_err(dev->mt76.dev, "Firmware failed to start\n"); + err = -ETIMEDOUT; + goto out; + } + + dev_dbg(dev->mt76.dev, "Firmware running!\n"); + +out: + kfree(ivb); + + return err; +} + +static int mt76x0u_load_firmware(struct mt76x0_dev *dev) +{ + const struct firmware *fw; + const struct mt76x02_fw_header *hdr; + int len, ret; + u32 val; + + mt76_wr(dev, MT_USB_DMA_CFG, (MT_USB_DMA_CFG_RX_BULK_EN | + MT_USB_DMA_CFG_TX_BULK_EN)); + + if (mt76x0_firmware_running(dev)) + return 0; + + ret = request_firmware(&fw, MT7610U_FIRMWARE, dev->mt76.dev); + if (ret) + return ret; + + if (!fw || !fw->data || fw->size < sizeof(*hdr)) + goto err_inv_fw; + + hdr = (const struct mt76x02_fw_header *)fw->data; + + if (le32_to_cpu(hdr->ilm_len) <= MT_MCU_IVB_SIZE) + goto err_inv_fw; + + len = sizeof(*hdr); + len += le32_to_cpu(hdr->ilm_len); + len += le32_to_cpu(hdr->dlm_len); + + if (fw->size != len) + goto err_inv_fw; + + val = le16_to_cpu(hdr->fw_ver); + dev_dbg(dev->mt76.dev, + "Firmware Version: %d.%d.%02d Build: %x Build time: %.16s\n", + (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf, + le16_to_cpu(hdr->build_ver), hdr->build_time); + + len = le32_to_cpu(hdr->ilm_len); + + mt76_wr(dev, 0x1004, 0x2c); + + mt76_set(dev, MT_USB_DMA_CFG, + (MT_USB_DMA_CFG_RX_BULK_EN | MT_USB_DMA_CFG_TX_BULK_EN) | + FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, 0x20)); + mt76x02u_mcu_fw_reset(&dev->mt76); + usleep_range(5000, 6000); +/* + mt76x0_rmw(dev, MT_PBF_CFG, 0, (MT_PBF_CFG_TX0Q_EN | + MT_PBF_CFG_TX1Q_EN | + MT_PBF_CFG_TX2Q_EN | + MT_PBF_CFG_TX3Q_EN)); +*/ + + mt76_wr(dev, MT_FCE_PSE_CTRL, 1); + + /* FCE tx_fs_base_ptr */ + mt76_wr(dev, MT_TX_CPU_FROM_FCE_BASE_PTR, 0x400230); + /* FCE tx_fs_max_cnt */ + mt76_wr(dev, MT_TX_CPU_FROM_FCE_MAX_COUNT, 1); + /* FCE pdma enable */ + mt76_wr(dev, MT_FCE_PDMA_GLOBAL_CONF, 0x44); + /* FCE skip_fs_en */ + mt76_wr(dev, MT_FCE_SKIP_FS, 3); + + val = mt76_rr(dev, MT_USB_DMA_CFG); + val |= MT_USB_DMA_CFG_UDMA_TX_WL_DROP; + mt76_wr(dev, MT_USB_DMA_CFG, val); + val &= ~MT_USB_DMA_CFG_UDMA_TX_WL_DROP; + mt76_wr(dev, MT_USB_DMA_CFG, val); + + ret = mt76x0u_upload_firmware(dev, hdr); + release_firmware(fw); + + mt76_wr(dev, MT_FCE_PSE_CTRL, 1); + + return ret; + +err_inv_fw: + dev_err(dev->mt76.dev, "Invalid firmware image\n"); + release_firmware(fw); + return -ENOENT; +} + +int mt76x0u_mcu_init(struct mt76x0_dev *dev) +{ + int ret; + + ret = mt76x0u_load_firmware(dev); + if (ret < 0) + return ret; + + set_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state); + + return 0; +} + +MODULE_FIRMWARE(MT7610U_FIRMWARE);

[v2,11/24] mt76x0: usb: move mcu code in usb_mcu.c

Commit Message

Patch