xref: /src/sys/dev/mii/igphyreg.h

/*	$NetBSD: igphyreg.h,v 1.13 2020/08/03 07:25:59 msaitoh Exp $	*/

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/*
 * Copied from the Intel code, and then modified to match NetBSD
 * style for MII registers more.
 */

/*
 * IGP01E1000 Specific Registers
 */

/* IGP01E1000 Specific Port Config Register - R/W */
#define IGPHY_PORT_CONFIG		0x10 /* PHY specific config register */
#define PSCFR_AUTO_MDIX_PAR_DETECT	0x0010
#define PSCFR_PRE_EN			0x0020
#define PSCFR_SMART_SPEED		0x0080
#define PSCFR_DISABLE_TPLOOPBACK	0x0100
#define PSCFR_DISABLE_JABBER		0x0400
#define PSCFR_DISABLE_TRANSMIT		0x2000

/* IGP01E1000 Specific Port Status Register - R/O */
#define IGPHY_PORT_STATUS		0x11
#define IGPHY_PSSR_AUTONEG_FAILED	0x0001 /* RO LH SC */
#define IGPHY_PSSR_POLARITY_REVERSED	0x0002
#define IGPHY_PSSR_CABLE_LENGTH		0x007C
#define IGPHY_PSSR_FULL_DUPLEX		0x0200
#define IGPHY_PSSR_LINK_UP		0x0400
#define IGPHY_PSSR_MDIX			0x0800
#define IGPHY_PSSR_SPEED_MASK		0xC000 /* speed bits mask */
#define IGPHY_PSSR_SPEED_10MBPS		0x4000
#define IGPHY_PSSR_SPEED_100MBPS	0x8000
#define IGPHY_PSSR_SPEED_1000MBPS	0xC000
#define IGPHY_PSSR_CABLE_LENGTH_SHIFT 	0x0002 /* shift right 2 */
#define IGPHY_PSSR_MDIX_SHIFT		0x000B /* shift right 11 */

/* IGP01E1000 Specific Port Control Register - R/W */
#define IGPHY_PORT_CTRL			0x12
#define PSCR_TP_LOOPBACK		0x0010
#define PSCR_CORRECT_NC_SCMBLR		0x0200
#define PSCR_TEN_CRS_SELECT		0x0400
#define PSCR_FLIP_CHIP			0x0800
#define PSCR_AUTO_MDIX			0x1000
#define PSCR_FORCE_MDI_MDIX 		0x2000 /* 0-MDI, 1-MDIX */

/* IGP01E1000 Specific Port Link Health Register */
#define IGPHY_LINK_HEALTH		0x13
#define PLHR_VALID_CHANNEL_A		0x0001
#define PLHR_VALID_CHANNEL_B		0x0002
#define PLHR_VALID_CHANNEL_C		0x0004
#define PLHR_VALID_CHANNEL_D		0x0008
#define PLHR_AUTONEG_ACTIVE		0x0010
#define PLHR_AUTONEG_FAULT		0x0040
#define PLHR_DATA_ERR_0			0x0100
#define PLHR_DATA_ERR_1			0x0200 /* LH */
#define PLHR_IDLE_ERROR_CNT_OFLOW	0x0400 /* LH */
#define PLHR_GIG_REM_RCVR_NOK		0x0800 /* LH */
#define PLHR_GIG_SCRAMBLER_ERROR	0x4000
#define PLHR_SS_DOWNGRADE		0x8000

/* IGP01E1000 GMII FIFO Register */
#define MII_IGGMII_FIFO			0x14
#define GMII_FLEX_SPD			0x10 /* Enable flexible speed */
#define GMII_SPD			0x20 /* Enable SPD */

/* IGP01E1000 Channel Quality Register */
#define IGPHY_CHANNEL_QUALITY		0x15
#define MSE_CHANNEL_A			0x000F
#define MSE_CHANNEL_B			0x00F0
#define MSE_CHANNEL_C			0x0F00
#define MSE_CHANNEL_D			0xF000

/* IGP01E1000 Power Management */
#define IGPHY_POWER_MGMT		0x19
#define PMR_SPD_EN			0x0001
#define PMR_D0_LPLU			0x0002
#define PMR_D3_LPLU			0x0004
#define PMR_DIS_1000			0x0040

#define IGPHY_PAGE_SELECT		0x1F
#define IGPHY_MAXREGADDR		0x1F
#define IGPHY_PAGEMASK			(~IGPHY_MAXREGADDR)

/* IGP01E1000 AGC Registers - stores the cable length values*/
#define IGPHY_AGC_A			0x1172
#define IGPHY_AGC_PARAM_A		0x1171
#define IGPHY_AGC_B			0x1272
#define IGPHY_AGC_PARAM_B		0x1271
#define IGPHY_AGC_C			0x1472
#define IGPHY_AGC_PARAM_C		0x1471
#define IGPHY_AGC_D			0x1872
#define IGPHY_AGC_PARAM_D		0x1871
#define AGC_LENGTH_SHIFT		7  /* Coarse - 13:11, Fine - 10:7 */
#define AGC_LENGTH_TABLE_SIZE		128
#define AGC_RANGE			10

/* IGP01E1000 DSP Reset Register */
#define IGPHY_DSP_RESET			0x1F33
#define IGPHY_DSP_SET			0x1F71
#define IGPHY_DSP_FFE			0x1F35
#define IGPHY_CHANNEL_NUM		4
#define IGPHY_EDAC_MU_INDEX		0xC000
#define IGPHY_EDAC_SIGN_EXT_9_BITS	0x8000
#define IGPHY_ANALOG_TX_STATE		0x2890
#define IGPHY_ANALOG_CLASS_A		0x2000
#define IGPHY_FORCE_ANALOG_ENABLE	0x0004
#define IGPHY_DSP_FFE_CM_CP		0x0069
#define IGPHY_DSP_FFE_DEFAULT		0x002A

/* IGP01E1000 PCS Initialization register - stores the polarity status */
#define IGPHY_PCS_INIT_REG		0x00B4
#define IGPHY_PCS_CTRL_REG		0x00B5

#define IGPHY_ANALOG_REGS_PAGE		0x20C0
#define PHY_POLARITY_MASK		0x0078

/* IGP01E1000 Analog Register */
#define IGPHY_ANALOG_SPARE_FUSE_STATUS	0x20D1
#define IGPHY_ANALOG_FUSE_STATUS	0x20D0
#define IGPHY_ANALOG_FUSE_CONTROL	0x20DC
#define IGPHY_ANALOG_FUSE_BYPASS	0x20DE
#define ANALOG_FUSE_POLY_MASK		0xF000
#define ANALOG_FUSE_FINE_MASK		0x0F80
#define ANALOG_FUSE_COARSE_MASK		0x0070
#define ANALOG_SPARE_FUSE_ENABLED	0x0100
#define ANALOG_FUSE_ENABLE_SW_CONTROL	0x0002
#define ANALOG_FUSE_COARSE_THRESH	0x0040
#define ANALOG_FUSE_COARSE_10		0x0010
#define ANALOG_FUSE_FINE_1		0x0080
#define ANALOG_FUSE_FINE_10		0x0500

/*
 * IGP3 regs
 */
#define IGP3_PAGE_SHIFT		5
#define IGP3_REG(page, reg) \
	(((page) << IGP3_PAGE_SHIFT) | ((reg) & MII_ADDRMASK))

#define IGP3_VR_CTRL	IGP3_REG(776, 18)
#define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK	0x0300
#define IGP3_VR_CTRL_MODE_SHUTDOWN		0x0200

#define IGP3_PM_CTRL	IGP3_REG(769, 20)
#define IGP3_PM_CTRL_FORCE_PWR_DOWN		0x0020

static inline int
IGPHY_READ(struct mii_softc *sc, int reg, uint16_t *val)
{
	int rv;

	if ((rv = PHY_WRITE(sc, IGPHY_PAGE_SELECT, reg & ~0x1f)) != 0)
		return rv;
	return PHY_READ(sc, reg & 0x1f, val);
}
static inline int
IGPHY_WRITE(struct mii_softc *sc, int reg, uint16_t val)
{
	int rv;

	if ((rv = PHY_WRITE(sc, IGPHY_PAGE_SELECT, reg & ~0x1f)) != 0)
		return rv;

	return PHY_WRITE(sc, reg & 0x1f, val);
}

#define	IGPHY_TICK_DOWNSHIFT	3
#define	IGPHY_TICK_MAX		15