[][kernel][common][eth][Update Airoha EN8801SC 1G PHY driver to v1.1.7 Generic]

[Description]
Change Airoha EN8801SC 1G PHY driver to v1.1.7 Generic.

Change Log:
[2023/05/12] V1.1.7_Generic
* Modify to Linux coding style.

[2023/04/21] V1.1.6_Generic
* Improve Tx compliance test items for PCB variation
* Adjust initial process to solve potential issue
* Optimize detecting phase 2 mechanism
* Optimize initial process

If your board that GMAC2 connects with Airoha EN8801SC, please change
the eth node as following.
=====================================================================
&eth {
	...

	gmac1: mac@1 {
		compatible = "mediatek,eth-mac";
		reg = <1>;
		phy-mode = "sgmii";
		phy-handle = <&phy24>;
	};

	mdio: mdio-bus {
		#address-cells = <1>;
		#size-cells = <0>;

		phy24: phy@24 {
			compatible = "ethernet-phy-id03a2.9471";
			reg = <24>;
			phy-mode = "sgmii";
			full-duplex;
			pause;
		};

		...
	};
};
=====================================================================
In addition, if EN8801SC connects with a RESET GPIO, please check the
GPIO number, and then add reset-gpio related definition to above phy
node.
=====================================================================
reset-gpios = <&gpio 6 1>;
reset-assert-us = <10000>;
reset-deassert-us = <10000>;
=====================================================================

If without this patch, kernel cannot load up-to-date PHY driver
for the Airoha EN8801SC.

[Release-log]
N/A


Change-Id: Icdb753309040c83e7f1925461e987963b7b6c1eb
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7538123
diff --git a/target/linux/mediatek/files-5.4/drivers/net/phy/en8801sc.h b/target/linux/mediatek/files-5.4/drivers/net/phy/en8801sc.h
new file mode 100644
index 0000000..0a077c3
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/drivers/net/phy/en8801sc.h
@@ -0,0 +1,255 @@
+// SPDX-License-Identifier: GPL-2.0
+/* FILE NAME:  en8801sc.h
+ * PURPOSE:
+ *      Define EN8801SC driver function
+ *
+ * NOTES:
+ *
+ */
+
+#ifndef __EN8801SC_H
+#define __EN8801SC_H
+
+/* NAMING DECLARATIONS
+ */
+#define EN8801S_DRIVER_VERSION  "1.1.7_Generic"
+#define EN8801S_PBUS_DEFAULT_ID 0x1e
+#define EN8801S_RG_ETHER_PHY_OUI 0x19a4
+#define EN8801S_RG_SMI_ADDR      0x19a8
+#define EN8801S_RG_BUCK_CTL      0x1a20
+#define EN8801S_RG_LTR_CTL       0x0cf8
+
+#define EN8801S_PBUS_OUI        0x17a5
+#define EN8801S_PHY_ID1         0x03a2
+#define EN8801S_PHY_ID2         0x9461
+#define EN8801SC_PHY_ID         0x03a29471
+
+#define LED_ON_CTRL(i)              (0x024 + ((i)*2))
+#define LED_ON_EN                   (1 << 15)
+#define LED_ON_POL                  (1 << 14)
+#define LED_ON_EVT_MASK             (0x7f)
+/* LED ON Event Option.B */
+#define LED_ON_EVT_FORCE            (1 << 6)
+#define LED_ON_EVT_LINK_DOWN        (1 << 3)
+#define LED_ON_EVT_LINK_10M         (1 << 2)
+#define LED_ON_EVT_LINK_100M        (1 << 1)
+#define LED_ON_EVT_LINK_1000M       (1 << 0)
+/* LED ON Event Option.E */
+
+#define LED_BLK_CTRL(i)             (0x025 + ((i)*2))
+#define LED_BLK_EVT_MASK            (0x3ff)
+/* LED Blinking Event Option.B*/
+#define LED_BLK_EVT_FORCE           (1 << 9)
+#define LED_BLK_EVT_10M_RX_ACT      (1 << 5)
+#define LED_BLK_EVT_10M_TX_ACT      (1 << 4)
+#define LED_BLK_EVT_100M_RX_ACT     (1 << 3)
+#define LED_BLK_EVT_100M_TX_ACT     (1 << 2)
+#define LED_BLK_EVT_1000M_RX_ACT    (1 << 1)
+#define LED_BLK_EVT_1000M_TX_ACT    (1 << 0)
+/* LED Blinking Event Option.E*/
+#define LED_ENABLE                  1
+#define LED_DISABLE                 0
+
+#define LINK_UP                 1
+#define LINK_DOWN               0
+
+/*
+SFP Sample for verification
+Tx Reverse, Rx Reverse
+*/
+#define EN8801S_TX_POLARITY_NORMAL   0x0
+#define EN8801S_TX_POLARITY_REVERSE  0x1
+
+#define EN8801S_RX_POLARITY_NORMAL   (0x1 << 1)
+#define EN8801S_RX_POLARITY_REVERSE  (0x0 << 1)
+
+/*
+The following led_cfg example is for reference only.
+LED5 1000M/LINK/ACT  (GPIO5)  <-> BASE_T_LED0,
+LED6 10/100M/LINK/ACT(GPIO9)  <-> BASE_T_LED1,
+LED4 100M/LINK/ACT   (GPIO8)  <-> BASE_T_LED2,
+*/
+/* User-defined.B */
+#define BASE_T_LED0_ON_CFG      (LED_ON_EVT_LINK_1000M)
+#define BASE_T_LED0_BLK_CFG \
+			(LED_BLK_EVT_1000M_TX_ACT | \
+			LED_BLK_EVT_1000M_RX_ACT)
+#define BASE_T_LED1_ON_CFG \
+			(LED_ON_EVT_LINK_100M | \
+			 LED_ON_EVT_LINK_10M)
+#define BASE_T_LED1_BLK_CFG \
+			(LED_BLK_EVT_100M_TX_ACT | \
+			 LED_BLK_EVT_100M_RX_ACT | \
+			 LED_BLK_EVT_10M_TX_ACT | \
+			 LED_BLK_EVT_10M_RX_ACT)
+#define BASE_T_LED2_ON_CFG \
+			(LED_ON_EVT_LINK_100M)
+#define BASE_T_LED2_BLK_CFG \
+			(LED_BLK_EVT_100M_TX_ACT | \
+			 LED_BLK_EVT_100M_RX_ACT)
+#define BASE_T_LED3_ON_CFG      (0x0)
+#define BASE_T_LED3_BLK_CFG     (0x0)
+/* User-defined.E */
+
+#define EN8801S_LED_COUNT       4
+
+#define MAX_RETRY               5
+#define MAX_OUI_CHECK           2
+/* CL45 MDIO control */
+#define MII_MMD_ACC_CTL_REG     0x0d
+#define MII_MMD_ADDR_DATA_REG   0x0e
+#define MMD_OP_MODE_DATA        BIT(14)
+
+#define MAX_TRG_COUNTER         5
+
+/* CL22 Reg Support Page Select */
+#define RgAddr_Reg1Fh        0x1f
+#define CL22_Page_Reg        0x0000
+#define CL22_Page_ExtReg     0x0001
+#define CL22_Page_MiscReg    0x0002
+#define CL22_Page_LpiReg     0x0003
+#define CL22_Page_tReg       0x02A3
+#define CL22_Page_TrReg      0x52B5
+
+/* CL45 Reg Support DEVID */
+#define DEVID_03             0x03
+#define DEVID_07             0x07
+#define DEVID_1E             0x1E
+#define DEVID_1F             0x1F
+
+/* TokenRing Reg Access */
+#define TrReg_PKT_XMT_STA    0x8000
+#define TrReg_WR             0x8000
+#define TrReg_RD             0xA000
+
+#define RgAddr_LPI_1Ch       0x1c
+#define RgAddr_AUXILIARY_1Dh 0x1d
+#define RgAddr_PMA_00h       0x0f80
+#define RgAddr_PMA_01h       0x0f82
+#define RgAddr_PMA_17h       0x0fae
+#define RgAddr_PMA_18h       0x0fb0
+#define RgAddr_DSPF_03h      0x1686
+#define RgAddr_DSPF_06h      0x168c
+#define RgAddr_DSPF_08h      0x1690
+#define RgAddr_DSPF_0Ch      0x1698
+#define RgAddr_DSPF_0Dh      0x169a
+#define RgAddr_DSPF_0Fh      0x169e
+#define RgAddr_DSPF_10h      0x16a0
+#define RgAddr_DSPF_11h      0x16a2
+#define RgAddr_DSPF_13h      0x16a6
+#define RgAddr_DSPF_14h      0x16a8
+#define RgAddr_DSPF_1Bh      0x16b6
+#define RgAddr_DSPF_1Ch      0x16b8
+#define RgAddr_TR_26h        0x0ecc
+#define RgAddr_R1000DEC_15h  0x03aa
+#define RgAddr_R1000DEC_17h  0x03ae
+
+#define LED_BCR                     (0x021)
+#define LED_BCR_EXT_CTRL            (1 << 15)
+#define LED_BCR_CLK_EN              (1 << 3)
+#define LED_BCR_TIME_TEST           (1 << 2)
+#define LED_BCR_MODE_MASK           (3)
+#define LED_BCR_MODE_DISABLE        (0)
+
+#define LED_ON_DUR                  (0x022)
+#define LED_ON_DUR_MASK             (0xffff)
+
+#define LED_BLK_DUR                 (0x023)
+#define LED_BLK_DUR_MASK            (0xffff)
+
+#define LED_GPIO_SEL_MASK 0x7FFFFFF
+
+#define UNIT_LED_BLINK_DURATION     1024
+
+/* Invalid data */
+#define INVALID_DATA            0xffffffff
+
+#define LED_SET_EVT(reg, cod, result, bit) do         \
+	{                                                 \
+		if (reg & cod) {                              \
+			result |= bit;                            \
+		}                                             \
+	} while (0)
+
+#define LED_SET_GPIO_SEL(gpio, led, val)             \
+			(val |= (led << (8 * (gpio % 4))))       \
+
+
+/* DATA TYPE DECLARATIONS
+ */
+struct AIR_BASE_T_LED_CFG_S {
+	u16 en;
+	u16 gpio;
+	u16 pol;
+	u16 on_cfg;
+	u16 blk_cfg;
+};
+
+union gephy_all_REG_LpiReg1Ch {
+	struct {
+		/* b[15:00] */
+		u16 smi_deton_wt                             : 3;
+		u16 smi_det_mdi_inv                          : 1;
+		u16 smi_detoff_wt                            : 3;
+		u16 smi_sigdet_debouncing_en                 : 1;
+		u16 smi_deton_th                             : 6;
+		u16 rsv_14                                   : 2;
+	} DataBitField;
+	u16 DATA;
+};
+
+union gephy_all_REG_dev1Eh_reg324h {
+	struct {
+		/* b[15:00] */
+		u16 rg_smi_detcnt_max                        : 6;
+		u16 rsv_6                                    : 2;
+		u16 rg_smi_det_max_en                        : 1;
+		u16 smi_det_deglitch_off                     : 1;
+		u16 rsv_10                                   : 6;
+	} DataBitField;
+	u16 DATA;
+};
+
+union gephy_all_REG_dev1Eh_reg012h {
+	struct {
+		/* b[15:00] */
+		u16 da_tx_i2mpb_a_tbt                        : 6;
+		u16 rsv_6                                    : 4;
+		u16 da_tx_i2mpb_a_gbe                        : 6;
+	} DataBitField;
+	u16 DATA;
+};
+
+union gephy_all_REG_dev1Eh_reg017h {
+	struct {
+		/* b[15:00] */
+		u16 da_tx_i2mpb_b_tbt                        : 6;
+		u16 rsv_6                                    : 2;
+		u16 da_tx_i2mpb_b_gbe                        : 6;
+		u16 rsv_14                                   : 2;
+	} DataBitField;
+	u16 DATA;
+};
+
+enum {
+	AIR_LED_BLK_DUR_32M,
+	AIR_LED_BLK_DUR_64M,
+	AIR_LED_BLK_DUR_128M,
+	AIR_LED_BLK_DUR_256M,
+	AIR_LED_BLK_DUR_512M,
+	AIR_LED_BLK_DUR_1024M,
+	AIR_LED_BLK_DUR_LAST
+};
+
+enum {
+	AIR_ACTIVE_LOW,
+	AIR_ACTIVE_HIGH,
+};
+
+enum {
+	AIR_LED_MODE_DISABLE,
+	AIR_LED_MODE_USER_DEFINE,
+	AIR_LED_MODE_LAST
+};
+
+#endif /* End of __EN8801SC_H */