Add pci load firmware routine. Move some shared mcu definitions in mt76x02_mcu.h
Signed-off-by: Lorenzo Bianconi <lorenzo.bianc...@redhat.com> Signed-off-by: Stanislaw Gruszka <sgrus...@redhat.com> --- This patch is based on top of Felix's pull request: https://github.com/nbd168/wireless tags/mt76-for-kvalo-2018-09-19 --- .../net/wireless/mediatek/mt76/mt76x0/mcu.h | 5 + .../net/wireless/mediatek/mt76/mt76x0/pci.c | 120 +++++++++++++++++- .../net/wireless/mediatek/mt76/mt76x0/usb.c | 5 - .../net/wireless/mediatek/mt76/mt76x02_mcu.h | 9 ++ .../net/wireless/mediatek/mt76/mt76x2_mcu.h | 7 - 5 files changed, 133 insertions(+), 13 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.h b/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.h index f2a87d283e09..09c78a101593 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.h @@ -41,4 +41,9 @@ enum mcu_calibrate { MCU_CAL_TX_GROUP_DELAY, }; +static inline int mt76x0_firmware_running(struct mt76x0_dev *dev) +{ + return mt76_rr(dev, MT_MCU_COM_REG0) == 1; +} + #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c index c5e47bc70202..76e6d52b3a64 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c @@ -15,10 +15,122 @@ */ #include <linux/kernel.h> +#include <linux/firmware.h> #include <linux/module.h> #include <linux/pci.h> #include "mt76x0.h" +#include "mcu.h" + +#define MT7610E_FIRMWARE "mediatek/mt7610e.bin" +#define MT7650E_FIRMWARE "mediatek/mt7650e.bin" + +#define MT_MCU_IVB_ADDR (MT_MCU_ILM_ADDR + 0x54000 - MT_MCU_IVB_SIZE) + +static int mt76x0e_load_firmware(struct mt76x0_dev *dev) +{ + bool is_combo_chip = mt76_chip(&dev->mt76) != 0x7610; + u32 val, ilm_len, dlm_len, offset = 0; + const struct mt76x02_fw_header *hdr; + const struct firmware *fw; + const char *firmware; + const u8 *fw_payload; + int len, err; + + if (mt76x0_firmware_running(dev)) + return 0; + + if (is_combo_chip) + firmware = MT7650E_FIRMWARE; + else + firmware = MT7610E_FIRMWARE; + + err = request_firmware(&fw, firmware, dev->mt76.dev); + if (err) + return err; + + if (!fw || !fw->data || fw->size < sizeof(*hdr)) { + err = -EIO; + goto out; + } + + hdr = (const struct mt76x02_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) { + err = -EIO; + goto out; + } + + fw_payload = fw->data + sizeof(*hdr); + + 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->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); + + if (is_combo_chip && !mt76_poll(dev, MT_MCU_SEMAPHORE_00, 1, 1, 600)) { + dev_err(dev->mt76.dev, + "Could not get hardware semaphore for loading fw\n"); + err = -ETIMEDOUT; + goto out; + } + + /* upload ILM. */ + mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, 0); + ilm_len = le32_to_cpu(hdr->ilm_len); + if (is_combo_chip) { + ilm_len -= MT_MCU_IVB_SIZE; + offset = MT_MCU_IVB_SIZE; + } + dev_dbg(dev->mt76.dev, "loading FW - ILM %u\n", ilm_len); + mt76_wr_copy(dev, MT_MCU_ILM_ADDR + offset, fw_payload + offset, + ilm_len); + + /* upload IVB. */ + if (is_combo_chip) { + dev_dbg(dev->mt76.dev, "loading FW - IVB %u\n", + MT_MCU_IVB_SIZE); + mt76_wr_copy(dev, MT_MCU_IVB_ADDR, fw_payload, MT_MCU_IVB_SIZE); + } + + /* upload DLM. */ + mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, MT_MCU_DLM_OFFSET); + dlm_len = le32_to_cpu(hdr->dlm_len); + dev_dbg(dev->mt76.dev, "loading FW - DLM %u\n", dlm_len); + mt76_wr_copy(dev, MT_MCU_ILM_ADDR, + fw_payload + le32_to_cpu(hdr->ilm_len), dlm_len); + + /* trigger firmware */ + mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, 0); + if (is_combo_chip) + mt76_wr(dev, MT_MCU_INT_LEVEL, 0x3); + else + mt76_wr(dev, MT_MCU_RESET_CTL, 0x300); + + 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: + if (is_combo_chip) + mt76_wr(dev, MT_MCU_SEMAPHORE_00, 0x1); + release_firmware(fw); + + return err; +} static int mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id) @@ -49,7 +161,13 @@ mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id) dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION); dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev); -/* error: */ + ret = mt76x0e_load_firmware(dev); + if (ret < 0) + goto error; + + return 0; + +error: ieee80211_free_hw(mt76_hw(dev)); return ret; } diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c index bb8c0cd3d48a..94a2968147a3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c @@ -54,11 +54,6 @@ static struct usb_device_id mt76x0_device_table[] = { #define MCU_FW_URB_MAX_PAYLOAD 0x38f8 #define MCU_FW_URB_SIZE (MCU_FW_URB_MAX_PAYLOAD + 12) -static inline int mt76x0_firmware_running(struct mt76x0_dev *dev) -{ - return mt76_rr(dev, MT_MCU_COM_REG0) == 1; -} - static int mt76x0u_upload_firmware(struct mt76x0_dev *dev, const struct mt76x02_fw_header *hdr) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h index 2f5af3dad2bb..7bfd403f56f6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h @@ -27,6 +27,15 @@ #define MT_INBAND_PACKET_MAX_LEN 192 #define MT_MCU_MEMMAP_WLAN 0x410000 +#define MT_MCU_PCIE_REMAP_BASE4 0x074C + +#define MT_MCU_SEMAPHORE_00 0x07B0 +#define MT_MCU_SEMAPHORE_01 0x07B4 +#define MT_MCU_SEMAPHORE_02 0x07B8 +#define MT_MCU_SEMAPHORE_03 0x07BC + +#define MT_MCU_ILM_ADDR 0x80000 + enum mcu_cmd { CMD_FUN_SET_OP = 1, CMD_LOAD_CR = 2, diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h index 3de062d0b644..fa72d5a5ecad 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h @@ -25,7 +25,6 @@ #define MT_MCU_PCIE_REMAP_BASE1 0x0740 #define MT_MCU_PCIE_REMAP_BASE2 0x0744 #define MT_MCU_PCIE_REMAP_BASE3 0x0748 -#define MT_MCU_PCIE_REMAP_BASE4 0x074C #define MT_LED_CTRL 0x0770 #define MT_LED_CTRL_REPLAY(_n) BIT(0 + (8 * (_n))) @@ -50,16 +49,10 @@ #define MT_LED_STATUS_DURATION(_v) (((_v) << __ffs(MT_LED_STATUS_DURATION_MASK)) & \ MT_LED_STATUS_DURATION_MASK) -#define MT_MCU_SEMAPHORE_00 0x07B0 -#define MT_MCU_SEMAPHORE_01 0x07B4 -#define MT_MCU_SEMAPHORE_02 0x07B8 -#define MT_MCU_SEMAPHORE_03 0x07BC - #define MT_MCU_ROM_PATCH_OFFSET 0x80000 #define MT_MCU_ROM_PATCH_ADDR 0x90000 #define MT_MCU_ILM_OFFSET 0x80000 -#define MT_MCU_ILM_ADDR 0x80000 #define MT_MCU_DLM_OFFSET 0x100000 #define MT_MCU_DLM_ADDR 0x90000 -- 2.17.1
