diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2020-04-22 11:46:04 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-04-23 07:47:24 +0300 |
| commit | 7907b52de08aeb27cea05bd3a2c825658f91f051 (patch) | |
| tree | e3664be9a9296fb9e45b45c59fd5da65558e5d9a /drivers/net/wireless/realtek/rtw88/pci.c | |
| parent | fd9ead385102652b43f628ca700810d343c52437 (diff) | |
rtw88: 8723d: 11N chips don't support H2C queue
H2C queue is used to send command to firmware. Since 8723D doesn't support
this queue, this commit check wlan_cpu flag to avoid to set H2C related
registers.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200422034607.28747-6-yhchuang@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/pci.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/pci.c | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c index b3e76b579af9..8a8d746d3349 100644 --- a/drivers/net/wireless/realtek/rtw88/pci.c +++ b/drivers/net/wireless/realtek/rtw88/pci.c @@ -411,12 +411,14 @@ static void rtw_pci_reset_buf_desc(struct rtw_dev *rtwdev) dma = rtwpci->tx_rings[RTW_TX_QUEUE_BCN].r.dma; rtw_write32(rtwdev, RTK_PCI_TXBD_DESA_BCNQ, dma); - len = rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.len; - dma = rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.dma; - rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.rp = 0; - rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.wp = 0; - rtw_write16(rtwdev, RTK_PCI_TXBD_NUM_H2CQ, len & TRX_BD_IDX_MASK); - rtw_write32(rtwdev, RTK_PCI_TXBD_DESA_H2CQ, dma); + if (!rtw_chip_wcpu_11n(rtwdev)) { + len = rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.len; + dma = rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.dma; + rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.rp = 0; + rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.wp = 0; + rtw_write16(rtwdev, RTK_PCI_TXBD_NUM_H2CQ, len & TRX_BD_IDX_MASK); + rtw_write32(rtwdev, RTK_PCI_TXBD_DESA_H2CQ, dma); + } len = rtwpci->tx_rings[RTW_TX_QUEUE_BK].r.len; dma = rtwpci->tx_rings[RTW_TX_QUEUE_BK].r.dma; @@ -471,8 +473,9 @@ static void rtw_pci_reset_buf_desc(struct rtw_dev *rtwdev) rtw_write32(rtwdev, RTK_PCI_TXBD_RWPTR_CLR, 0xffffffff); /* reset H2C Queue index in a single write */ - rtw_write32_set(rtwdev, RTK_PCI_TXBD_H2CQ_CSR, - BIT_CLR_H2CQ_HOST_IDX | BIT_CLR_H2CQ_HW_IDX); + if (rtw_chip_wcpu_11ac(rtwdev)) + rtw_write32_set(rtwdev, RTK_PCI_TXBD_H2CQ_CSR, + BIT_CLR_H2CQ_HOST_IDX | BIT_CLR_H2CQ_HW_IDX); } static void rtw_pci_reset_trx_ring(struct rtw_dev *rtwdev) @@ -489,7 +492,9 @@ static void rtw_pci_enable_interrupt(struct rtw_dev *rtwdev, rtw_write32(rtwdev, RTK_PCI_HIMR0, rtwpci->irq_mask[0]); rtw_write32(rtwdev, RTK_PCI_HIMR1, rtwpci->irq_mask[1]); - rtw_write32(rtwdev, RTK_PCI_HIMR3, rtwpci->irq_mask[3]); + if (rtw_chip_wcpu_11ac(rtwdev)) + rtw_write32(rtwdev, RTK_PCI_HIMR3, rtwpci->irq_mask[3]); + rtwpci->irq_enabled = true; spin_unlock_irqrestore(&rtwpci->hwirq_lock, flags); @@ -507,7 +512,9 @@ static void rtw_pci_disable_interrupt(struct rtw_dev *rtwdev, rtw_write32(rtwdev, RTK_PCI_HIMR0, 0); rtw_write32(rtwdev, RTK_PCI_HIMR1, 0); - rtw_write32(rtwdev, RTK_PCI_HIMR3, 0); + if (rtw_chip_wcpu_11ac(rtwdev)) + rtw_write32(rtwdev, RTK_PCI_HIMR3, 0); + rtwpci->irq_enabled = false; out: @@ -1012,13 +1019,17 @@ static void rtw_pci_irq_recognized(struct rtw_dev *rtwdev, irq_status[0] = rtw_read32(rtwdev, RTK_PCI_HISR0); irq_status[1] = rtw_read32(rtwdev, RTK_PCI_HISR1); - irq_status[3] = rtw_read32(rtwdev, RTK_PCI_HISR3); + if (rtw_chip_wcpu_11ac(rtwdev)) + irq_status[3] = rtw_read32(rtwdev, RTK_PCI_HISR3); + else + irq_status[3] = 0; irq_status[0] &= rtwpci->irq_mask[0]; irq_status[1] &= rtwpci->irq_mask[1]; irq_status[3] &= rtwpci->irq_mask[3]; rtw_write32(rtwdev, RTK_PCI_HISR0, irq_status[0]); rtw_write32(rtwdev, RTK_PCI_HISR1, irq_status[1]); - rtw_write32(rtwdev, RTK_PCI_HISR3, irq_status[3]); + if (rtw_chip_wcpu_11ac(rtwdev)) + rtw_write32(rtwdev, RTK_PCI_HISR3, irq_status[3]); spin_unlock_irqrestore(&rtwpci->hwirq_lock, flags); } |