Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright (C) 2015 Broadcom Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) /* Broadcom Cygnus SoC internal transceivers support. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include "bcm-phy-lib.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/brcmphy.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/phy.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) struct bcm_omega_phy_priv {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 	u64	*stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) /* Broadcom Cygnus Phy specific registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #define MII_BCM_CYGNUS_AFE_VDAC_ICTRL_0  0x91E5 /* VDAL Control register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) static int bcm_cygnus_afe_config(struct phy_device *phydev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	/* ensure smdspclk is enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	rc = phy_write(phydev, MII_BCM54XX_AUX_CTL, 0x0c30);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	/* AFE_VDAC_ICTRL_0 bit 7:4 Iq=1100 for 1g 10bt, normal modes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	rc = bcm_phy_write_misc(phydev, 0x39, 0x01, 0xA7C8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	/* AFE_HPF_TRIM_OTHERS bit11=1, short cascode enable for all modes*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	rc = bcm_phy_write_misc(phydev, 0x3A, 0x00, 0x0803);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	/* AFE_TX_CONFIG_1 bit 7:4 Iq=1100 for test modes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	rc = bcm_phy_write_misc(phydev, 0x3A, 0x01, 0xA740);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	/* AFE TEMPSEN_OTHERS rcal_HT, rcal_LT 10000 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	rc = bcm_phy_write_misc(phydev, 0x3A, 0x03, 0x8400);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	/* AFE_FUTURE_RSV bit 2:0 rccal <2:0>=100 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	rc = bcm_phy_write_misc(phydev, 0x3B, 0x00, 0x0004);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	/* Adjust bias current trim to overcome digital offSet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	rc = phy_write(phydev, MII_BRCM_CORE_BASE1E, 0x02);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	/* make rcal=100, since rdb default is 000 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	rc = bcm_phy_write_exp_sel(phydev, MII_BRCM_CORE_EXPB1, 0x10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	/* CORE_EXPB0, Reset R_CAL/RC_CAL Engine */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	rc = bcm_phy_write_exp_sel(phydev, MII_BRCM_CORE_EXPB0, 0x10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	/* CORE_EXPB0, Disable Reset R_CAL/RC_CAL Engine */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	rc = bcm_phy_write_exp_sel(phydev, MII_BRCM_CORE_EXPB0, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) static int bcm_cygnus_config_init(struct phy_device *phydev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	int reg, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	reg = phy_read(phydev, MII_BCM54XX_ECR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	if (reg < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		return reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	/* Mask interrupts globally. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	reg |= MII_BCM54XX_ECR_IM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	rc = phy_write(phydev, MII_BCM54XX_ECR, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	/* Unmask events of interest */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	reg = ~(MII_BCM54XX_INT_DUPLEX |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 		MII_BCM54XX_INT_SPEED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		MII_BCM54XX_INT_LINK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	rc = phy_write(phydev, MII_BCM54XX_IMR, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	/* Apply AFE settings for the PHY */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	rc = bcm_cygnus_afe_config(phydev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	/* Advertise EEE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	rc = bcm_phy_set_eee(phydev, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	/* Enable APD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	return bcm_phy_enable_apd(phydev, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) static int bcm_cygnus_resume(struct phy_device *phydev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	genphy_resume(phydev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	/* Re-initialize the PHY to apply AFE work-arounds and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	 * configurations when coming out of suspend.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	rc = bcm_cygnus_config_init(phydev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	/* restart auto negotiation with the new settings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	return genphy_config_aneg(phydev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static int bcm_omega_config_init(struct phy_device *phydev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	u8 count, rev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	rev = phydev->phy_id & ~phydev->drv->phy_id_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	pr_info_once("%s: %s PHY revision: 0x%02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		     phydev_name(phydev), phydev->drv->name, rev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	/* Dummy read to a register to workaround an issue upon reset where the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	 * internal inverter may not allow the first MDIO transaction to pass
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	 * the MDIO management controller and make us return 0xffff for such
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	 * reads.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	phy_read(phydev, MII_BMSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	switch (rev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	case 0x00:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		ret = bcm_phy_28nm_a0b0_afe_config_init(phydev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	ret = bcm_phy_downshift_get(phydev, &count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	/* Only enable EEE if Wirespeed/downshift is disabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	ret = bcm_phy_set_eee(phydev, count == DOWNSHIFT_DEV_DISABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	return bcm_phy_enable_apd(phydev, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static int bcm_omega_resume(struct phy_device *phydev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	/* Re-apply workarounds coming out suspend/resume */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	ret = bcm_omega_config_init(phydev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	/* 28nm Gigabit PHYs come out of reset without any half-duplex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	 * or "hub" compliant advertised mode, fix that. This does not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	 * cause any problems with the PHY library since genphy_config_aneg()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	 * gracefully handles auto-negotiated and forced modes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	return genphy_config_aneg(phydev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) static int bcm_omega_get_tunable(struct phy_device *phydev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 				 struct ethtool_tunable *tuna, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	switch (tuna->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	case ETHTOOL_PHY_DOWNSHIFT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		return bcm_phy_downshift_get(phydev, (u8 *)data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static int bcm_omega_set_tunable(struct phy_device *phydev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 				 struct ethtool_tunable *tuna,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 				 const void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	u8 count = *(u8 *)data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	switch (tuna->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	case ETHTOOL_PHY_DOWNSHIFT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		ret = bcm_phy_downshift_set(phydev, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	/* Disable EEE advertisement since this prevents the PHY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	 * from successfully linking up, trigger auto-negotiation restart
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	 * to let the MAC decide what to do.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	ret = bcm_phy_set_eee(phydev, count == DOWNSHIFT_DEV_DISABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	return genphy_restart_aneg(phydev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static void bcm_omega_get_phy_stats(struct phy_device *phydev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 				    struct ethtool_stats *stats, u64 *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	struct bcm_omega_phy_priv *priv = phydev->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	bcm_phy_get_stats(phydev, priv->stats, stats, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static int bcm_omega_probe(struct phy_device *phydev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	struct bcm_omega_phy_priv *priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	if (!priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	phydev->priv = priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	priv->stats = devm_kcalloc(&phydev->mdio.dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 				   bcm_phy_get_sset_count(phydev), sizeof(u64),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 				   GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	if (!priv->stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) static struct phy_driver bcm_cygnus_phy_driver[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	.phy_id        = PHY_ID_BCM_CYGNUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	.phy_id_mask   = 0xfffffff0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	.name          = "Broadcom Cygnus PHY",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	/* PHY_GBIT_FEATURES */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	.config_init   = bcm_cygnus_config_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	.ack_interrupt = bcm_phy_ack_intr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	.config_intr   = bcm_phy_config_intr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	.suspend       = genphy_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	.resume        = bcm_cygnus_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	.phy_id		= PHY_ID_BCM_OMEGA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	.phy_id_mask	= 0xfffffff0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	.name		= "Broadcom Omega Combo GPHY",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	/* PHY_GBIT_FEATURES */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	.flags		= PHY_IS_INTERNAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	.config_init	= bcm_omega_config_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	.suspend	= genphy_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	.resume		= bcm_omega_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	.get_tunable	= bcm_omega_get_tunable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	.set_tunable	= bcm_omega_set_tunable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	.get_sset_count	= bcm_phy_get_sset_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	.get_strings	= bcm_phy_get_strings,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	.get_stats	= bcm_omega_get_phy_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	.probe		= bcm_omega_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) static struct mdio_device_id __maybe_unused bcm_cygnus_phy_tbl[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	{ PHY_ID_BCM_CYGNUS, 0xfffffff0, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	{ PHY_ID_BCM_OMEGA, 0xfffffff0, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) MODULE_DEVICE_TABLE(mdio, bcm_cygnus_phy_tbl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) module_phy_driver(bcm_cygnus_phy_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) MODULE_DESCRIPTION("Broadcom Cygnus internal PHY driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) MODULE_AUTHOR("Broadcom Corporation");