2020-01-30 14:47:52

by Felix Fietkau

[permalink] [raw]
Subject: [PATCH 03/15] mt76: mt7615: move mmio related code from pci.c to mmio.c

Will be shared with MT7622 SoC support

Signed-off-by: Felix Fietkau <[email protected]>
---
.../wireless/mediatek/mt76/mt7615/Makefile | 2 +-
.../net/wireless/mediatek/mt76/mt7615/mmio.c | 105 ++++++++++++++++++
.../wireless/mediatek/mt76/mt7615/mt7615.h | 1 +
.../net/wireless/mediatek/mt76/mt7615/pci.c | 97 +---------------
4 files changed, 108 insertions(+), 97 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7615/mmio.c

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/Makefile b/drivers/net/wireless/mediatek/mt76/mt7615/Makefile
index dcd6b0e7ce84..a93d147edf44 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/Makefile
@@ -4,5 +4,5 @@ obj-$(CONFIG_MT7615E) += mt7615e.o

CFLAGS_trace.o := -I$(src)

-mt7615e-y := pci.o init.o dma.o eeprom.o main.o mcu.o mac.o \
+mt7615e-y := pci.o init.o dma.o eeprom.o main.o mcu.o mac.o mmio.o \
debugfs.o trace.o
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
new file mode 100644
index 000000000000..4575bfda81c0
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
@@ -0,0 +1,105 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "mt7615.h"
+#include "mac.h"
+#include "../trace.h"
+
+u32 mt7615_reg_map(struct mt7615_dev *dev, u32 addr)
+{
+ u32 base = addr & MT_MCU_PCIE_REMAP_2_BASE;
+ u32 offset = addr & MT_MCU_PCIE_REMAP_2_OFFSET;
+
+ mt76_wr(dev, MT_MCU_PCIE_REMAP_2, base);
+
+ return MT_PCIE_REMAP_BASE_2 + offset;
+}
+
+static void
+mt7615_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
+{
+ struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
+
+ mt7615_irq_enable(dev, MT_INT_RX_DONE(q));
+}
+
+static irqreturn_t mt7615_irq_handler(int irq, void *dev_instance)
+{
+ struct mt7615_dev *dev = dev_instance;
+ u32 intr;
+
+ intr = mt76_rr(dev, MT_INT_SOURCE_CSR);
+ mt76_wr(dev, MT_INT_SOURCE_CSR, intr);
+
+ if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
+ return IRQ_NONE;
+
+ trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask);
+
+ intr &= dev->mt76.mmio.irqmask;
+
+ if (intr & MT_INT_TX_DONE_ALL) {
+ mt7615_irq_disable(dev, MT_INT_TX_DONE_ALL);
+ napi_schedule(&dev->mt76.tx_napi);
+ }
+
+ if (intr & MT_INT_RX_DONE(0)) {
+ mt7615_irq_disable(dev, MT_INT_RX_DONE(0));
+ napi_schedule(&dev->mt76.napi[0]);
+ }
+
+ if (intr & MT_INT_RX_DONE(1)) {
+ mt7615_irq_disable(dev, MT_INT_RX_DONE(1));
+ napi_schedule(&dev->mt76.napi[1]);
+ }
+
+ return IRQ_HANDLED;
+}
+
+int mt7615_mmio_probe(struct device *pdev, void __iomem *mem_base, int irq)
+{
+ static const struct mt76_driver_ops drv_ops = {
+ /* txwi_size = txd size + txp size */
+ .txwi_size = MT_TXD_SIZE + sizeof(struct mt7615_txp),
+ .drv_flags = MT_DRV_TXWI_NO_FREE,
+ .survey_flags = SURVEY_INFO_TIME_TX |
+ SURVEY_INFO_TIME_RX |
+ SURVEY_INFO_TIME_BSS_RX,
+ .tx_prepare_skb = mt7615_tx_prepare_skb,
+ .tx_complete_skb = mt7615_tx_complete_skb,
+ .rx_skb = mt7615_queue_rx_skb,
+ .rx_poll_complete = mt7615_rx_poll_complete,
+ .sta_ps = mt7615_sta_ps,
+ .sta_add = mt7615_mac_sta_add,
+ .sta_remove = mt7615_mac_sta_remove,
+ .update_survey = mt7615_update_channel,
+ };
+ struct mt7615_dev *dev;
+ struct mt76_dev *mdev;
+ int ret;
+
+ mdev = mt76_alloc_device(pdev, sizeof(*dev), &mt7615_ops, &drv_ops);
+ if (!mdev)
+ return -ENOMEM;
+
+ dev = container_of(mdev, struct mt7615_dev, mt76);
+ mt76_mmio_init(&dev->mt76, mem_base);
+
+ mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
+ (mt76_rr(dev, MT_HW_REV) & 0xff);
+ dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
+
+ ret = devm_request_irq(mdev->dev, irq, mt7615_irq_handler,
+ IRQF_SHARED, KBUILD_MODNAME, dev);
+ if (ret)
+ goto error;
+
+ ret = mt7615_register_device(dev);
+ if (ret)
+ goto error;
+
+ return 0;
+error:
+ ieee80211_free_hw(mt76_hw(dev));
+ return ret;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
index 900e48592afa..5348bd28001c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
@@ -231,6 +231,7 @@ mt7615_ext_phy(struct mt7615_dev *dev)
extern const struct ieee80211_ops mt7615_ops;
extern struct pci_driver mt7615_pci_driver;

+int mt7615_mmio_probe(struct device *pdev, void __iomem *mem_base, int irq);
u32 mt7615_reg_map(struct mt7615_dev *dev, u32 addr);

int mt7615_register_device(struct mt7615_dev *dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci.c
index 828f11087b08..caaad936a34a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci.c
@@ -10,86 +10,15 @@
#include <linux/pci.h>

#include "mt7615.h"
-#include "mac.h"
-#include "../trace.h"

static const struct pci_device_id mt7615_pci_device_table[] = {
{ PCI_DEVICE(0x14c3, 0x7615) },
{ },
};

-u32 mt7615_reg_map(struct mt7615_dev *dev, u32 addr)
-{
- u32 base = addr & MT_MCU_PCIE_REMAP_2_BASE;
- u32 offset = addr & MT_MCU_PCIE_REMAP_2_OFFSET;
-
- mt76_wr(dev, MT_MCU_PCIE_REMAP_2, base);
-
- return MT_PCIE_REMAP_BASE_2 + offset;
-}
-
-static void
-mt7615_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
-{
- struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
-
- mt7615_irq_enable(dev, MT_INT_RX_DONE(q));
-}
-
-static irqreturn_t mt7615_irq_handler(int irq, void *dev_instance)
-{
- struct mt7615_dev *dev = dev_instance;
- u32 intr;
-
- intr = mt76_rr(dev, MT_INT_SOURCE_CSR);
- mt76_wr(dev, MT_INT_SOURCE_CSR, intr);
-
- if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
- return IRQ_NONE;
-
- trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask);
-
- intr &= dev->mt76.mmio.irqmask;
-
- if (intr & MT_INT_TX_DONE_ALL) {
- mt7615_irq_disable(dev, MT_INT_TX_DONE_ALL);
- napi_schedule(&dev->mt76.tx_napi);
- }
-
- if (intr & MT_INT_RX_DONE(0)) {
- mt7615_irq_disable(dev, MT_INT_RX_DONE(0));
- napi_schedule(&dev->mt76.napi[0]);
- }
-
- if (intr & MT_INT_RX_DONE(1)) {
- mt7615_irq_disable(dev, MT_INT_RX_DONE(1));
- napi_schedule(&dev->mt76.napi[1]);
- }
-
- return IRQ_HANDLED;
-}
-
static int mt7615_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
- static const struct mt76_driver_ops drv_ops = {
- /* txwi_size = txd size + txp size */
- .txwi_size = MT_TXD_SIZE + sizeof(struct mt7615_txp),
- .drv_flags = MT_DRV_TXWI_NO_FREE,
- .survey_flags = SURVEY_INFO_TIME_TX |
- SURVEY_INFO_TIME_RX |
- SURVEY_INFO_TIME_BSS_RX,
- .tx_prepare_skb = mt7615_tx_prepare_skb,
- .tx_complete_skb = mt7615_tx_complete_skb,
- .rx_skb = mt7615_queue_rx_skb,
- .rx_poll_complete = mt7615_rx_poll_complete,
- .sta_ps = mt7615_sta_ps,
- .sta_add = mt7615_mac_sta_add,
- .sta_remove = mt7615_mac_sta_remove,
- .update_survey = mt7615_update_channel,
- };
- struct mt7615_dev *dev;
- struct mt76_dev *mdev;
int ret;

ret = pcim_enable_device(pdev);
@@ -106,31 +35,7 @@ static int mt7615_pci_probe(struct pci_dev *pdev,
if (ret)
return ret;

- mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7615_ops,
- &drv_ops);
- if (!mdev)
- return -ENOMEM;
-
- dev = container_of(mdev, struct mt7615_dev, mt76);
- mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
-
- mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
- (mt76_rr(dev, MT_HW_REV) & 0xff);
- dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
-
- ret = devm_request_irq(mdev->dev, pdev->irq, mt7615_irq_handler,
- IRQF_SHARED, KBUILD_MODNAME, dev);
- if (ret)
- goto error;
-
- ret = mt7615_register_device(dev);
- if (ret)
- goto error;
-
- return 0;
-error:
- ieee80211_free_hw(mt76_hw(dev));
- return ret;
+ return mt7615_mmio_probe(&pdev->dev, pcim_iomap_table(pdev)[0], pdev->irq);
}

static void mt7615_pci_remove(struct pci_dev *pdev)
--
2.24.0