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extres/phy: Add mode setting function.

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Modern multi-protocol phys are capable of supporting multiple different
protocols. Add a method for mode (and/or its variants) setting.

Discused with:	ganbold, manu, andrew
MFC after:	3 weeks
This commit is contained in:
Michal Meloun 2021-02-03 09:51:45 +01:00
parent 2ce3ef5503
commit e4ef4c5d66
3 changed files with 105 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
sys/dev/extres/phy/phy.c
View File

@ -1,6 +1,5 @@
/*-
* Copyright 2016 Michal Meloun <mmel@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -25,7 +24,6 @@
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_platform.h"
#include <sys/param.h>
@ -271,6 +269,22 @@ phynode_disable(struct phynode *phynode)
return (0);
}
/*
* Set phy mode (protocol and its variant).
*/
int
phynode_set_mode(struct phynode *phynode, phy_mode_t mode,
phy_submode_t submode)
{
int rv;
PHY_TOPO_ASSERT();
PHYNODE_XLOCK(phynode);
rv = PHYNODE_SET_MODE(phynode, mode, submode);
PHYNODE_UNLOCK(phynode);
return (rv);
}
/*
* Get phy status. (PHY_STATUS_*)
@ -353,6 +367,22 @@ phy_disable(phy_t phy)
return (rv);
}
int
phy_set_mode(phy_t phy, phy_mode_t mode, phy_submode_t submode)
{
int rv;
struct phynode *phynode;
phynode = phy->phynode;
KASSERT(phynode->ref_cnt > 0,
("Attempt to access unreferenced phy.\n"));
PHY_TOPO_SLOCK();
rv = phynode_set_mode(phynode, mode, submode);
PHY_TOPO_UNLOCK();
return (rv);
}
int
phy_status(phy_t phy, int *status)
{

66
sys/dev/extres/phy/phy.h
View File

@ -1,6 +1,5 @@
/*-
* Copyright 2016 Michal Meloun <mmel@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -22,7 +21,6 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef DEV_EXTRES_PHY_H
@ -33,10 +31,66 @@
#ifdef FDT
#include <dev/ofw/ofw_bus.h>
#endif
#include "phynode_if.h"
#define PHY_STATUS_ENABLED 0x00000001
typedef enum phy_mode {
PHY_MODE_INVALID,
PHY_MODE_USB_HOST,
PHY_MODE_USB_DEVICE,
PHY_MODE_USB_OTG,
PHY_MODE_UFS,
PHY_MODE_PCIE,
PHY_MODE_ETHERNET,
PHY_MODE_MIPI_DPHY,
PHY_MODE_SATA,
PHY_MODE_LVDS,
PHY_MODE_DP
} phy_mode_t ;
typedef enum phy_submode {
/* Common */
PHY_SUBMODE_NA = 0, /* Not applicable */
PHY_SUBMODE_INTERNAL,
/* Ethernet */
PHY_SUBMODE_ETH_MII = 1000,
PHY_SUBMODE_ETH_GMII,
PHY_SUBMODE_ETH_SGMII,
PHY_SUBMODE_ETH_TBI,
PHY_SUBMODE_ETH_REVMII,
PHY_SUBMODE_ETH_RMII,
PHY_SUBMODE_ETH_RGMII,
PHY_SUBMODE_ETH_RGMII_ID,
PHY_SUBMODE_ETH_RGMII_RXID,
PHY_SUBMODE_ETH_RGMII_TXID,
PHY_SUBMODE_ETH_RTBI,
PHY_SUBMODE_ETH_SMII,
PHY_SUBMODE_ETH_XGMII,
PHY_SUBMODE_ETH_XLGMII,
PHY_SUBMODE_ETH_MOCA,
PHY_SUBMODE_ETH_QSGMII,
PHY_SUBMODE_ETH_TRGMII,
PHY_SUBMODE_ETH_1000BASEX,
PHY_SUBMODE_ETH_2500BASEX,
PHY_SUBMODE_ETH_RXAUI,
PHY_SUBMODE_ETH_XAUI,
PHY_SUBMODE_ETH_10GBASER,
PHY_SUBMODE_ETH_USXGMII,
PHY_SUBMODE_ETH_10GKR,
/* USB */
PHY_SUBMODE_USB_LS = 2000,
PHY_SUBMODE_USB_FS,
PHY_SUBMODE_USB_HS,
PHY_SUBMODE_USB_SS,
/* UFS */
PHY_SUBMODE_UFS_HS_A = 3000,
PHY_SUBMODE_UFS_HS_B,
} phy_submode_t;
typedef struct phy *phy_t;
/* Initialization parameters. */
@ -47,6 +101,8 @@ struct phynode_init_def {
#endif
};
#include "phynode_if.h"
/*
* Shorthands for constructing method tables.
*/
@ -67,6 +123,8 @@ device_t phynode_get_device(struct phynode *phynode);
intptr_t phynode_get_id(struct phynode *phynode);
int phynode_enable(struct phynode *phynode);
int phynode_disable(struct phynode *phynode);
int phynode_set_mode(struct phynode *phynode, phy_mode_t mode,
phy_submode_t submode);
int phynode_status(struct phynode *phynode, int *status);
#ifdef FDT
phandle_t phynode_get_ofw_node(struct phynode *phynode);
@ -80,8 +138,8 @@ int phy_get_by_id(device_t consumer_dev, device_t provider_dev, intptr_t id,
void phy_release(phy_t phy);
int phy_enable(phy_t phy);
int phy_disable(phy_t phy);
int phy_set_mode(phy_t phy, phy_mode_t mode, phy_submode_t submode);
int phy_status(phy_t phy, int *value);
#ifdef FDT
int phy_get_by_ofw_name(device_t consumer, phandle_t node, char *name,
phy_t *phy);

14
sys/dev/extres/phy/phynode_if.m
View File

@ -1,6 +1,5 @@
#-
# Copyright 2016 Michal Meloun <mmel@FreeBSD.org>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
@ -23,12 +22,12 @@
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
INTERFACE phynode;
HEADER {
#include <dev/extres/phy/phy.h>
struct phynode;
}
@ -59,3 +58,12 @@ METHOD int status {
};
#
# Set mode/submode for multiprotocol phy
# Returns 0 on success or a standard errno value.
#
METHOD int set_mode {
struct phynode *phynode;
phy_mode_t mode;
phy_submode_t submode;
};