Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 279 insertions, 0 deletions

diff --git a/drivers/net/wireless/realtek/rtw88/pci.h b/drivers/net/wireless/realtek/rtw88/pci.h
new file mode 100644
index 000000000..0c37efd8c
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/pci.h
@@ -0,0 +1,279 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2018-2019  Realtek Corporation
+ */
+
+#ifndef __RTK_PCI_H_
+#define __RTK_PCI_H_
+
+#include "main.h"
+
+#define RTK_DEFAULT_TX_DESC_NUM 128
+#define RTK_BEQ_TX_DESC_NUM	256
+
+#define RTK_MAX_RX_DESC_NUM	512
+/* 11K + rx desc size */
+#define RTK_PCI_RX_BUF_SIZE	(11454 + 24)
+
+#define RTK_PCI_CTRL		0x300
+#define BIT_RST_TRXDMA_INTF	BIT(20)
+#define BIT_RX_TAG_EN		BIT(15)
+#define REG_DBI_WDATA_V1	0x03E8
+#define REG_DBI_RDATA_V1	0x03EC
+#define REG_DBI_FLAG_V1		0x03F0
+#define BIT_DBI_RFLAG		BIT(17)
+#define BIT_DBI_WFLAG		BIT(16)
+#define BITS_DBI_WREN		GENMASK(15, 12)
+#define BITS_DBI_ADDR_MASK	GENMASK(11, 2)
+
+#define REG_MDIO_V1		0x03F4
+#define REG_PCIE_MIX_CFG	0x03F8
+#define BITS_MDIO_ADDR_MASK	GENMASK(4, 0)
+#define BIT_MDIO_WFLAG_V1	BIT(5)
+#define RTW_PCI_MDIO_PG_SZ	BIT(5)
+#define RTW_PCI_MDIO_PG_OFFS_G1	0
+#define RTW_PCI_MDIO_PG_OFFS_G2	2
+#define RTW_PCI_WR_RETRY_CNT	20
+
+#define RTK_PCIE_LINK_CFG	0x0719
+#define BIT_CLKREQ_SW_EN	BIT(4)
+#define BIT_L1_SW_EN		BIT(3)
+#define BIT_CLKREQ_N_PAD	BIT(0)
+#define RTK_PCIE_CLKDLY_CTRL	0x0725
+
+#define BIT_PCI_BCNQ_FLAG	BIT(4)
+#define RTK_PCI_TXBD_DESA_BCNQ	0x308
+#define RTK_PCI_TXBD_DESA_H2CQ	0x1320
+#define RTK_PCI_TXBD_DESA_MGMTQ	0x310
+#define RTK_PCI_TXBD_DESA_BKQ	0x330
+#define RTK_PCI_TXBD_DESA_BEQ	0x328
+#define RTK_PCI_TXBD_DESA_VIQ	0x320
+#define RTK_PCI_TXBD_DESA_VOQ	0x318
+#define RTK_PCI_TXBD_DESA_HI0Q	0x340
+#define RTK_PCI_RXBD_DESA_MPDUQ	0x338
+
+#define TRX_BD_IDX_MASK		GENMASK(11, 0)
+#define TRX_BD_HW_IDX_MASK	GENMASK(27, 16)
+
+/* BCNQ is specialized for rsvd page, does not need to specify a number */
+#define RTK_PCI_TXBD_NUM_H2CQ	0x1328
+#define RTK_PCI_TXBD_NUM_MGMTQ	0x380
+#define RTK_PCI_TXBD_NUM_BKQ	0x38A
+#define RTK_PCI_TXBD_NUM_BEQ	0x388
+#define RTK_PCI_TXBD_NUM_VIQ	0x386
+#define RTK_PCI_TXBD_NUM_VOQ	0x384
+#define RTK_PCI_TXBD_NUM_HI0Q	0x38C
+#define RTK_PCI_RXBD_NUM_MPDUQ	0x382
+#define RTK_PCI_TXBD_IDX_H2CQ	0x132C
+#define RTK_PCI_TXBD_IDX_MGMTQ	0x3B0
+#define RTK_PCI_TXBD_IDX_BKQ	0x3AC
+#define RTK_PCI_TXBD_IDX_BEQ	0x3A8
+#define RTK_PCI_TXBD_IDX_VIQ	0x3A4
+#define RTK_PCI_TXBD_IDX_VOQ	0x3A0
+#define RTK_PCI_TXBD_IDX_HI0Q	0x3B8
+#define RTK_PCI_RXBD_IDX_MPDUQ	0x3B4
+
+#define RTK_PCI_TXBD_RWPTR_CLR	0x39C
+#define RTK_PCI_TXBD_H2CQ_CSR	0x1330
+
+#define BIT_CLR_H2CQ_HOST_IDX	BIT(16)
+#define BIT_CLR_H2CQ_HW_IDX	BIT(8)
+
+#define RTK_PCI_HIMR0		0x0B0
+#define RTK_PCI_HISR0		0x0B4
+#define RTK_PCI_HIMR1		0x0B8
+#define RTK_PCI_HISR1		0x0BC
+#define RTK_PCI_HIMR2		0x10B0
+#define RTK_PCI_HISR2		0x10B4
+#define RTK_PCI_HIMR3		0x10B8
+#define RTK_PCI_HISR3		0x10BC
+/* IMR 0 */
+#define IMR_TIMER2		BIT(31)
+#define IMR_TIMER1		BIT(30)
+#define IMR_PSTIMEOUT		BIT(29)
+#define IMR_GTINT4		BIT(28)
+#define IMR_GTINT3		BIT(27)
+#define IMR_TBDER		BIT(26)
+#define IMR_TBDOK		BIT(25)
+#define IMR_TSF_BIT32_TOGGLE	BIT(24)
+#define IMR_BCNDMAINT0		BIT(20)
+#define IMR_BCNDOK0		BIT(16)
+#define IMR_HSISR_IND_ON_INT	BIT(15)
+#define IMR_BCNDMAINT_E		BIT(14)
+#define IMR_ATIMEND		BIT(12)
+#define IMR_HISR1_IND_INT	BIT(11)
+#define IMR_C2HCMD		BIT(10)
+#define IMR_CPWM2		BIT(9)
+#define IMR_CPWM		BIT(8)
+#define IMR_HIGHDOK		BIT(7)
+#define IMR_MGNTDOK		BIT(6)
+#define IMR_BKDOK		BIT(5)
+#define IMR_BEDOK		BIT(4)
+#define IMR_VIDOK		BIT(3)
+#define IMR_VODOK		BIT(2)
+#define IMR_RDU			BIT(1)
+#define IMR_ROK			BIT(0)
+/* IMR 1 */
+#define IMR_TXFIFO_TH_INT	BIT(30)
+#define IMR_BTON_STS_UPDATE	BIT(29)
+#define IMR_MCUERR		BIT(28)
+#define IMR_BCNDMAINT7		BIT(27)
+#define IMR_BCNDMAINT6		BIT(26)
+#define IMR_BCNDMAINT5		BIT(25)
+#define IMR_BCNDMAINT4		BIT(24)
+#define IMR_BCNDMAINT3		BIT(23)
+#define IMR_BCNDMAINT2		BIT(22)
+#define IMR_BCNDMAINT1		BIT(21)
+#define IMR_BCNDOK7		BIT(20)
+#define IMR_BCNDOK6		BIT(19)
+#define IMR_BCNDOK5		BIT(18)
+#define IMR_BCNDOK4		BIT(17)
+#define IMR_BCNDOK3		BIT(16)
+#define IMR_BCNDOK2		BIT(15)
+#define IMR_BCNDOK1		BIT(14)
+#define IMR_ATIMEND_E		BIT(13)
+#define IMR_ATIMEND		BIT(12)
+#define IMR_TXERR		BIT(11)
+#define IMR_RXERR		BIT(10)
+#define IMR_TXFOVW		BIT(9)
+#define IMR_RXFOVW		BIT(8)
+#define IMR_CPU_MGQ_TXDONE	BIT(5)
+#define IMR_PS_TIMER_C		BIT(4)
+#define IMR_PS_TIMER_B		BIT(3)
+#define IMR_PS_TIMER_A		BIT(2)
+#define IMR_CPUMGQ_TX_TIMER	BIT(1)
+/* IMR 3 */
+#define IMR_H2CDOK		BIT(16)
+
+enum rtw_pci_flags {
+	RTW_PCI_FLAG_NAPI_RUNNING,
+
+	NUM_OF_RTW_PCI_FLAGS,
+};
+
+/* one element is reserved to know if the ring is closed */
+static inline int avail_desc(u32 wp, u32 rp, u32 len)
+{
+	if (rp > wp)
+		return rp - wp - 1;
+	else
+		return len - wp + rp - 1;
+}
+
+#define RTK_PCI_TXBD_OWN_OFFSET 15
+#define RTK_PCI_TXBD_BCN_WORK	0x383
+
+struct rtw_pci_tx_buffer_desc {
+	__le16 buf_size;
+	__le16 psb_len;
+	__le32 dma;
+};
+
+struct rtw_pci_tx_data {
+	dma_addr_t dma;
+	u8 sn;
+};
+
+struct rtw_pci_ring {
+	u8 *head;
+	dma_addr_t dma;
+
+	u8 desc_size;
+
+	u32 len;
+	u32 wp;
+	u32 rp;
+};
+
+struct rtw_pci_tx_ring {
+	struct rtw_pci_ring r;
+	struct sk_buff_head queue;
+	bool queue_stopped;
+};
+
+struct rtw_pci_rx_buffer_desc {
+	__le16 buf_size;
+	__le16 total_pkt_size;
+	__le32 dma;
+};
+
+struct rtw_pci_rx_ring {
+	struct rtw_pci_ring r;
+	struct sk_buff *buf[RTK_MAX_RX_DESC_NUM];
+};
+
+#define RX_TAG_MAX	8192
+
+struct rtw_pci {
+	struct pci_dev *pdev;
+
+	/* Used for PCI interrupt. */
+	spinlock_t hwirq_lock;
+	/* Used for PCI TX ring/queueing, and enable INT. */
+	spinlock_t irq_lock;
+	u32 irq_mask[4];
+	bool irq_enabled;
+	bool running;
+
+	/* napi structure */
+	struct net_device netdev;
+	struct napi_struct napi;
+
+	u16 rx_tag;
+	DECLARE_BITMAP(tx_queued, RTK_MAX_TX_QUEUE_NUM);
+	struct rtw_pci_tx_ring tx_rings[RTK_MAX_TX_QUEUE_NUM];
+	struct rtw_pci_rx_ring rx_rings[RTK_MAX_RX_QUEUE_NUM];
+	u16 link_ctrl;
+	atomic_t link_usage;
+	bool rx_no_aspm;
+	DECLARE_BITMAP(flags, NUM_OF_RTW_PCI_FLAGS);
+
+	void __iomem *mmap;
+};
+
+extern const struct dev_pm_ops rtw_pm_ops;
+
+int rtw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id);
+void rtw_pci_remove(struct pci_dev *pdev);
+void rtw_pci_shutdown(struct pci_dev *pdev);
+
+static inline u32 max_num_of_tx_queue(u8 queue)
+{
+	u32 max_num;
+
+	switch (queue) {
+	case RTW_TX_QUEUE_BE:
+		max_num = RTK_BEQ_TX_DESC_NUM;
+		break;
+	case RTW_TX_QUEUE_BCN:
+		max_num = 1;
+		break;
+	default:
+		max_num = RTK_DEFAULT_TX_DESC_NUM;
+		break;
+	}
+
+	return max_num;
+}
+
+static inline struct
+rtw_pci_tx_data *rtw_pci_get_tx_data(struct sk_buff *skb)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+	BUILD_BUG_ON(sizeof(struct rtw_pci_tx_data) >
+		     sizeof(info->status.status_driver_data));
+
+	return (struct rtw_pci_tx_data *)info->status.status_driver_data;
+}
+
+static inline
+struct rtw_pci_tx_buffer_desc *get_tx_buffer_desc(struct rtw_pci_tx_ring *ring,
+						  u32 size)
+{
+	u8 *buf_desc;
+
+	buf_desc = ring->r.head + ring->r.wp * size;
+	return (struct rtw_pci_tx_buffer_desc *)buf_desc;
+}
+
+#endif