[PATCH net-next v4 2/4] phy: mdio: Reorganize defines

From: Sean Anderson
Date: Fri Dec 16 2022 - 11:49:27 EST

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Reorder all registers to be grouped by MMD. Groups fields in
similarly-named registers in the same way. This is especially useful for
registers which may have some bits in common, but interpret other bits
in different ways. The comments have been tweaked to more closely follow
802.3's naming.

Signed-off-by: Sean Anderson <sean.anderson@xxxxxxxx>
---

Changes in v4:
- New

include/uapi/linux/mdio.h | 102 ++++++++++++++++++++++++--------------
1 file changed, 64 insertions(+), 38 deletions(-)

diff --git a/include/uapi/linux/mdio.h b/include/uapi/linux/mdio.h
index 75b7257a51e1..14b779a8577b 100644
--- a/include/uapi/linux/mdio.h
+++ b/include/uapi/linux/mdio.h
@@ -37,40 +37,47 @@
#define MDIO_DEVS2 6
#define MDIO_CTRL2 7 /* 10G control 2 */
#define MDIO_STAT2 8 /* 10G status 2 */
+#define MDIO_PKGID1 14 /* Package identifier */
+#define MDIO_PKGID2 15
+
+/* PMA/PMD registers. */
#define MDIO_PMA_TXDIS 9 /* 10G PMA/PMD transmit disable */
#define MDIO_PMA_RXDET 10 /* 10G PMA/PMD receive signal detect */
#define MDIO_PMA_EXTABLE 11 /* 10G PMA/PMD extended ability */
-#define MDIO_PKGID1 14 /* Package identifier */
-#define MDIO_PKGID2 15
-#define MDIO_AN_ADVERTISE 16 /* AN advertising (base page) */
-#define MDIO_AN_LPA 19 /* AN LP abilities (base page) */
-#define MDIO_PCS_EEE_ABLE 20 /* EEE Capability register */
-#define MDIO_PCS_EEE_ABLE2 21 /* EEE Capability register 2 */
+#define MDIO_PMA_PMD_BT1 18 /* BASE-T1 PMA/PMD extended ability */
#define MDIO_PMA_NG_EXTABLE 21 /* 2.5G/5G PMA/PMD extended ability */
-#define MDIO_PCS_EEE_WK_ERR 22 /* EEE wake error counter */
-#define MDIO_PHYXS_LNSTAT 24 /* PHY XGXS lane state */
-#define MDIO_AN_EEE_ADV 60 /* EEE advertisement */
-#define MDIO_AN_EEE_LPABLE 61 /* EEE link partner ability */
-#define MDIO_AN_EEE_ADV2 62 /* EEE advertisement 2 */
-#define MDIO_AN_EEE_LPABLE2 63 /* EEE link partner ability 2 */
-#define MDIO_AN_CTRL2 64 /* AN THP bypass request control */
-
-/* Media-dependent registers. */
#define MDIO_PMA_10GBT_SWAPPOL 130 /* 10GBASE-T pair swap & polarity */
#define MDIO_PMA_10GBT_TXPWR 131 /* 10GBASE-T TX power control */
#define MDIO_PMA_10GBT_SNR 133 /* 10GBASE-T SNR margin, lane A.
* Lanes B-D are numbered 134-136. */
#define MDIO_PMA_10GBR_FSRT_CSR 147 /* 10GBASE-R fast retrain status and control */
#define MDIO_PMA_10GBR_FECABLE 170 /* 10GBASE-R FEC ability */
+#define MDIO_PMA_PMD_BT1_CTRL 2100 /* BASE-T1 PMA/PMD control register */
+#define MDIO_B10L_PMA_CTRL 2294 /* 10BASE-T1L PMA control */
+#define MDIO_PMA_10T1L_STAT 2295 /* 10BASE-T1L PMA status */
+
+/* PCS registers */
+#define MDIO_PCS_EEE_ABLE 20 /* EEE Capability register */
+#define MDIO_PCS_EEE_ABLE2 21 /* EEE Capability register 2 */
+#define MDIO_PCS_EEE_WK_ERR 22 /* EEE wake error counter */
#define MDIO_PCS_10GBX_STAT1 24 /* 10GBASE-X PCS status 1 */
#define MDIO_PCS_10GBRT_STAT1 32 /* 10GBASE-R/-T PCS status 1 */
#define MDIO_PCS_10GBRT_STAT2 33 /* 10GBASE-R/-T PCS status 2 */
+#define MDIO_PCS_10T1L_CTRL 2278 /* 10BASE-T1L PCS control */
+
+/* PHY XS registers */
+#define MDIO_PHYXS_LNSTAT 24 /* PHY XGXS lane state */
+
+/* Auto_negotiation registers */
+#define MDIO_AN_ADVERTISE 16 /* AN advertising (base page) */
+#define MDIO_AN_LPA 19 /* AN LP abilities (base page) */
#define MDIO_AN_10GBT_CTRL 32 /* 10GBASE-T auto-negotiation control */
#define MDIO_AN_10GBT_STAT 33 /* 10GBASE-T auto-negotiation status */
-#define MDIO_B10L_PMA_CTRL 2294 /* 10BASE-T1L PMA control */
-#define MDIO_PMA_10T1L_STAT 2295 /* 10BASE-T1L PMA status */
-#define MDIO_PCS_10T1L_CTRL 2278 /* 10BASE-T1L PCS control */
-#define MDIO_PMA_PMD_BT1 18 /* BASE-T1 PMA/PMD extended ability */
+#define MDIO_AN_EEE_ADV 60 /* EEE advertisement */
+#define MDIO_AN_EEE_LPABLE 61 /* EEE link partner ability */
+#define MDIO_AN_EEE_ADV2 62 /* EEE advertisement 2 */
+#define MDIO_AN_EEE_LPABLE2 63 /* EEE link partner ability 2 */
+#define MDIO_AN_CTRL2 64 /* AN THP bypass request control */
#define MDIO_AN_T1_CTRL 512 /* BASE-T1 AN control */
#define MDIO_AN_T1_STAT 513 /* BASE-T1 AN status */
#define MDIO_AN_T1_ADV_L 514 /* BASE-T1 AN advertisement register [15:0] */
@@ -79,7 +86,6 @@
#define MDIO_AN_T1_LP_L 517 /* BASE-T1 AN LP Base Page ability register [15:0] */
#define MDIO_AN_T1_LP_M 518 /* BASE-T1 AN LP Base Page ability register [31:16] */
#define MDIO_AN_T1_LP_H 519 /* BASE-T1 AN LP Base Page ability register [47:32] */
-#define MDIO_PMA_PMD_BT1_CTRL 2100 /* BASE-T1 PMA/PMD control register */

/* LASI (Link Alarm Status Interrupt) registers, defined by XENPAK MSA. */
#define MDIO_PMA_LASI_RXCTRL 0x9000 /* RX_ALARM control */
@@ -89,7 +95,7 @@
#define MDIO_PMA_LASI_TXSTAT 0x9004 /* TX_ALARM status */
#define MDIO_PMA_LASI_STAT 0x9005 /* LASI status */

-/* Control register 1. */
+/* Generic control 1 register. */
/* Enable extended speed selection */
#define MDIO_CTRL1_SPEEDSELEXT (BMCR_SPEED1000 | BMCR_SPEED100)
/* All speed selection bits */
@@ -97,15 +103,6 @@
#define MDIO_CTRL1_FULLDPLX BMCR_FULLDPLX
#define MDIO_CTRL1_LPOWER BMCR_PDOWN
#define MDIO_CTRL1_RESET BMCR_RESET
-#define MDIO_PMA_CTRL1_LOOPBACK 0x0001
-#define MDIO_PMA_CTRL1_SPEED1000 BMCR_SPEED1000
-#define MDIO_PMA_CTRL1_SPEED100 BMCR_SPEED100
-#define MDIO_PCS_CTRL1_LOOPBACK BMCR_LOOPBACK
-#define MDIO_PHYXS_CTRL1_LOOPBACK BMCR_LOOPBACK
-#define MDIO_AN_CTRL1_RESTART BMCR_ANRESTART
-#define MDIO_AN_CTRL1_ENABLE BMCR_ANENABLE
-#define MDIO_AN_CTRL1_XNP 0x2000 /* Enable extended next page */
-#define MDIO_PCS_CTRL1_CLKSTOP_EN 0x400 /* Stop the clock during LPI */

/* 10 Gb/s */
#define MDIO_CTRL1_SPEED10G (MDIO_CTRL1_SPEEDSELEXT | 0x00)
@@ -116,10 +113,29 @@
/* 5 Gb/s */
#define MDIO_CTRL1_SPEED5G (MDIO_CTRL1_SPEEDSELEXT | 0x1c)

-/* Status register 1. */
+/* PMA/PMD control 1 register. */
+#define MDIO_PMA_CTRL1_LOOPBACK 0x0001
+#define MDIO_PMA_CTRL1_SPEED1000 BMCR_SPEED1000
+#define MDIO_PMA_CTRL1_SPEED100 BMCR_SPEED100
+
+/* PCS control 1 register. */
+#define MDIO_PCS_CTRL1_LOOPBACK BMCR_LOOPBACK
+#define MDIO_PCS_CTRL1_CLKSTOP_EN 0x400 /* Stop the clock during LPI */
+
+/* PHY XS control 1 register. */
+#define MDIO_PHYXS_CTRL1_LOOPBACK BMCR_LOOPBACK
+
+/* AN control register. */
+#define MDIO_AN_CTRL1_RESTART BMCR_ANRESTART
+#define MDIO_AN_CTRL1_ENABLE BMCR_ANENABLE
+#define MDIO_AN_CTRL1_XNP 0x2000 /* Enable extended next page */
+
+/* Generic status 1 register. */
#define MDIO_STAT1_LPOWERABLE 0x0002 /* Low-power ability */
#define MDIO_STAT1_LSTATUS BMSR_LSTATUS
#define MDIO_STAT1_FAULT 0x0080 /* Fault */
+
+/* AN status register. */
#define MDIO_AN_STAT1_LPABLE 0x0001 /* Link partner AN ability */
#define MDIO_AN_STAT1_ABLE BMSR_ANEGCAPABLE
#define MDIO_AN_STAT1_RFAULT BMSR_RFAULT
@@ -127,13 +143,17 @@
#define MDIO_AN_STAT1_PAGE 0x0040 /* Page received */
#define MDIO_AN_STAT1_XNP 0x0080 /* Extended next page status */

-/* Speed register. */
+/* Generic Speed register. */
#define MDIO_SPEED_10G 0x0001 /* 10G capable */
+
+/* PMA/PMD Speed register. */
#define MDIO_PMA_SPEED_2B 0x0002 /* 2BASE-TL capable */
#define MDIO_PMA_SPEED_10P 0x0004 /* 10PASS-TS capable */
#define MDIO_PMA_SPEED_1000 0x0010 /* 1000M capable */
#define MDIO_PMA_SPEED_100 0x0020 /* 100M capable */
#define MDIO_PMA_SPEED_10 0x0040 /* 10M capable */
+
+/* PCS et al. Speed register. */
#define MDIO_PCS_SPEED_10P2B 0x0002 /* 10PASS-TS/2BASE-TL capable */
#define MDIO_PCS_SPEED_2_5G 0x0040 /* 2.5G capable */
#define MDIO_PCS_SPEED_5G 0x0080 /* 5G capable */
@@ -152,7 +172,7 @@
#define MDIO_DEVS_VEND1 MDIO_DEVS_PRESENT(MDIO_MMD_VEND1)
#define MDIO_DEVS_VEND2 MDIO_DEVS_PRESENT(MDIO_MMD_VEND2)

-/* Control register 2. */
+/* PMA/PMD control 2 register. */
#define MDIO_PMA_CTRL2_TYPE 0x000f /* PMA/PMD type selection */
#define MDIO_PMA_CTRL2_10GBCX4 0x0000 /* 10GBASE-CX4 type */
#define MDIO_PMA_CTRL2_10GBEW 0x0001 /* 10GBASE-EW type */
@@ -173,17 +193,21 @@
#define MDIO_PMA_CTRL2_2_5GBT 0x0030 /* 2.5GBaseT type */
#define MDIO_PMA_CTRL2_5GBT 0x0031 /* 5GBaseT type */
#define MDIO_PMA_CTRL2_BASET1 0x003D /* BASE-T1 type */
+
+/* PCS control 2 register. */
#define MDIO_PCS_CTRL2_TYPE 0x0003 /* PCS type selection */
#define MDIO_PCS_CTRL2_10GBR 0x0000 /* 10GBASE-R type */
#define MDIO_PCS_CTRL2_10GBX 0x0001 /* 10GBASE-X type */
#define MDIO_PCS_CTRL2_10GBW 0x0002 /* 10GBASE-W type */
#define MDIO_PCS_CTRL2_10GBT 0x0003 /* 10GBASE-T type */

-/* Status register 2. */
+/* Generic status 2 register. */
#define MDIO_STAT2_RXFAULT 0x0400 /* Receive fault */
#define MDIO_STAT2_TXFAULT 0x0800 /* Transmit fault */
#define MDIO_STAT2_DEVPRST 0xc000 /* Device present */
#define MDIO_STAT2_DEVPRST_VAL 0x8000 /* Device present value */
+
+/* PMA/PMD status 2 register */
#define MDIO_PMA_STAT2_LBABLE 0x0001 /* PMA loopback ability */
#define MDIO_PMA_STAT2_10GBEW 0x0002 /* 10GBASE-EW ability */
#define MDIO_PMA_STAT2_10GBLW 0x0004 /* 10GBASE-LW ability */
@@ -196,27 +220,29 @@
#define MDIO_PMA_STAT2_EXTABLE 0x0200 /* Extended abilities */
#define MDIO_PMA_STAT2_RXFLTABLE 0x1000 /* Receive fault ability */
#define MDIO_PMA_STAT2_TXFLTABLE 0x2000 /* Transmit fault ability */
+
+/* PCS status 2 register */
#define MDIO_PCS_STAT2_10GBR 0x0001 /* 10GBASE-R capable */
#define MDIO_PCS_STAT2_10GBX 0x0002 /* 10GBASE-X capable */
#define MDIO_PCS_STAT2_10GBW 0x0004 /* 10GBASE-W capable */
#define MDIO_PCS_STAT2_RXFLTABLE 0x1000 /* Receive fault ability */
#define MDIO_PCS_STAT2_TXFLTABLE 0x2000 /* Transmit fault ability */

-/* Transmit disable register. */
+/* PMD Transmit disable register. */
#define MDIO_PMD_TXDIS_GLOBAL 0x0001 /* Global PMD TX disable */
#define MDIO_PMD_TXDIS_0 0x0002 /* PMD TX disable 0 */
#define MDIO_PMD_TXDIS_1 0x0004 /* PMD TX disable 1 */
#define MDIO_PMD_TXDIS_2 0x0008 /* PMD TX disable 2 */
#define MDIO_PMD_TXDIS_3 0x0010 /* PMD TX disable 3 */

-/* Receive signal detect register. */
+/* PMD receive signal detect register. */
#define MDIO_PMD_RXDET_GLOBAL 0x0001 /* Global PMD RX signal detect */
#define MDIO_PMD_RXDET_0 0x0002 /* PMD RX signal detect 0 */
#define MDIO_PMD_RXDET_1 0x0004 /* PMD RX signal detect 1 */
#define MDIO_PMD_RXDET_2 0x0008 /* PMD RX signal detect 2 */
#define MDIO_PMD_RXDET_3 0x0010 /* PMD RX signal detect 3 */

-/* Extended abilities register. */
+/* PMA/PMD extended ability register. */
#define MDIO_PMA_EXTABLE_10GCX4 0x0001 /* 10GBASE-CX4 ability */
#define MDIO_PMA_EXTABLE_10GBLRM 0x0002 /* 10GBASE-LRM ability */
#define MDIO_PMA_EXTABLE_10GBT 0x0004 /* 10GBASE-T ability */
@@ -229,7 +255,7 @@
#define MDIO_PMA_EXTABLE_BT1 0x0800 /* BASE-T1 ability */
#define MDIO_PMA_EXTABLE_NBT 0x4000 /* 2.5/5GBASE-T ability */

-/* PHY XGXS lane state register. */
+/* 10G PHY XGXS lane status register. */
#define MDIO_PHYXS_LNSTAT_SYNC0 0x0001
#define MDIO_PHYXS_LNSTAT_SYNC1 0x0002
#define MDIO_PHYXS_LNSTAT_SYNC2 0x0004
--
2.35.1.1320.gc452695387.dirty

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