diff options
Diffstat (limited to 'drivers/atm')
| -rw-r--r-- | drivers/atm/suni.c | 121 | ||||
| -rw-r--r-- | drivers/atm/suni.h | 31 |
2 files changed, 132 insertions, 20 deletions
diff --git a/drivers/atm/suni.c b/drivers/atm/suni.c index 6097f6877a4..6dd3f591996 100644 --- a/drivers/atm/suni.c +++ b/drivers/atm/suni.c @@ -1,8 +1,14 @@ -/* drivers/atm/suni.c - PMC PM5346 SUNI (PHY) driver */ +/* + * drivers/atm/suni.c - S/UNI PHY driver + * + * Supports the following: + * PMC PM5346 S/UNI LITE + * PMC PM5350 S/UNI 155 ULTRA + * PMC PM5355 S/UNI 622 + */ /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */ - #include <linux/module.h> #include <linux/jiffies.h> #include <linux/kernel.h> @@ -146,25 +152,105 @@ static int get_diag(struct atm_dev *dev,void __user *arg) static int set_loopback(struct atm_dev *dev,int mode) { unsigned char control; + int reg, dle, lle; + + if (PRIV(dev)->type == SUNI_MRI_TYPE_PM5355) { + reg = SUNI_MCM; + dle = SUNI_MCM_DLE; + lle = SUNI_MCM_LLE; + } else { + reg = SUNI_MCT; + dle = SUNI_MCT_DLE; + lle = SUNI_MCT_LLE; + } - control = GET(MCT) & ~(SUNI_MCT_DLE | SUNI_MCT_LLE); + control = dev->ops->phy_get(dev, reg) & ~(dle | lle); switch (mode) { case ATM_LM_NONE: break; case ATM_LM_LOC_PHY: - control |= SUNI_MCT_DLE; + control |= dle; break; case ATM_LM_RMT_PHY: - control |= SUNI_MCT_LLE; + control |= lle; break; default: return -EINVAL; } - PUT(control,MCT); + dev->ops->phy_put(dev, control, reg); PRIV(dev)->loop_mode = mode; return 0; } +/* + * SONET vs. SDH Configuration + * + * Z0INS (register 0x06): 0 for SONET, 1 for SDH + * ENSS (register 0x3D): 0 for SONET, 1 for SDH + * LEN16 (register 0x28): 0 for SONET, 1 for SDH (n/a for S/UNI 155 QUAD) + * LEN16 (register 0x50): 0 for SONET, 1 for SDH (n/a for S/UNI 155 QUAD) + * S[1:0] (register 0x46): 00 for SONET, 10 for SDH + */ + +static int set_sonet(struct atm_dev *dev) +{ + if (PRIV(dev)->type == SUNI_MRI_TYPE_PM5355) { + PUT(GET(RPOP_RC) & ~SUNI_RPOP_RC_ENSS, RPOP_RC); + PUT(GET(SSTB_CTRL) & ~SUNI_SSTB_CTRL_LEN16, SSTB_CTRL); + PUT(GET(SPTB_CTRL) & ~SUNI_SPTB_CTRL_LEN16, SPTB_CTRL); + } + + REG_CHANGE(SUNI_TPOP_APM_S, SUNI_TPOP_APM_S_SHIFT, + SUNI_TPOP_S_SONET, TPOP_APM); + + return 0; +} + +static int set_sdh(struct atm_dev *dev) +{ + if (PRIV(dev)->type == SUNI_MRI_TYPE_PM5355) { + PUT(GET(RPOP_RC) | SUNI_RPOP_RC_ENSS, RPOP_RC); + PUT(GET(SSTB_CTRL) | SUNI_SSTB_CTRL_LEN16, SSTB_CTRL); + PUT(GET(SPTB_CTRL) | SUNI_SPTB_CTRL_LEN16, SPTB_CTRL); + } + + REG_CHANGE(SUNI_TPOP_APM_S, SUNI_TPOP_APM_S_SHIFT, + SUNI_TPOP_S_SDH, TPOP_APM); + + return 0; +} + + +static int get_framing(struct atm_dev *dev, void __user *arg) +{ + int framing; + unsigned char s; + + + s = (GET(TPOP_APM) & SUNI_TPOP_APM_S) >> SUNI_TPOP_APM_S_SHIFT; + if (s == SUNI_TPOP_S_SONET) + framing = SONET_FRAME_SONET; + else + framing = SONET_FRAME_SDH; + + return put_user(framing, (int __user *) arg) ? -EFAULT : 0; +} + +static int set_framing(struct atm_dev *dev, void __user *arg) +{ + int mode; + + if (get_user(mode, (int __user *) arg)) + return -EFAULT; + + if (mode == SONET_FRAME_SONET) + return set_sonet(dev); + else if (mode == SONET_FRAME_SDH) + return set_sdh(dev); + + return -EINVAL; +} + static int suni_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg) { @@ -179,14 +265,16 @@ static int suni_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg) case SONET_GETDIAG: return get_diag(dev,arg); case SONET_SETFRAMING: - if ((int)(unsigned long)arg != SONET_FRAME_SONET) return -EINVAL; - return 0; + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + return set_framing(dev, arg); case SONET_GETFRAMING: - return put_user(SONET_FRAME_SONET,(int __user *)arg) ? - -EFAULT : 0; + return get_framing(dev, arg); case SONET_GETFRSENSE: return -EINVAL; case ATM_SETLOOP: + if (!capable(CAP_NET_ADMIN)) + return -EPERM; return set_loopback(dev,(int)(unsigned long)arg); case ATM_GETLOOP: return put_user(PRIV(dev)->loop_mode,(int __user *)arg) ? @@ -220,10 +308,6 @@ static int suni_start(struct atm_dev *dev) unsigned long flags; int first; - if (!(dev->phy_data = kmalloc(sizeof(struct suni_priv),GFP_KERNEL))) - return -ENOMEM; - - PRIV(dev)->dev = dev; spin_lock_irqsave(&sunis_lock,flags); first = !sunis; PRIV(dev)->next = sunis; @@ -284,16 +368,21 @@ int suni_init(struct atm_dev *dev) { unsigned char mri; + if (!(dev->phy_data = kmalloc(sizeof(struct suni_priv),GFP_KERNEL))) + return -ENOMEM; + PRIV(dev)->dev = dev; + mri = GET(MRI); /* reset SUNI */ + PRIV(dev)->type = (mri & SUNI_MRI_TYPE) >> SUNI_MRI_TYPE_SHIFT; PUT(mri | SUNI_MRI_RESET,MRI); PUT(mri,MRI); PUT((GET(MT) & SUNI_MT_DS27_53),MT); /* disable all tests */ - REG_CHANGE(SUNI_TPOP_APM_S,SUNI_TPOP_APM_S_SHIFT,SUNI_TPOP_S_SONET, - TPOP_APM); /* use SONET */ + set_sonet(dev); REG_CHANGE(SUNI_TACP_IUCHP_CLP,0,SUNI_TACP_IUCHP_CLP, TACP_IUCHP); /* idle cells */ PUT(SUNI_IDLE_PATTERN,TACP_IUCPOP); dev->phy = &suni_ops; + return 0; } diff --git a/drivers/atm/suni.h b/drivers/atm/suni.h index efa79bfae75..7e3e656b399 100644 --- a/drivers/atm/suni.h +++ b/drivers/atm/suni.h @@ -1,7 +1,8 @@ -/* drivers/atm/suni.h - PMC PM5346 SUNI (PHY) declarations */ +/* + * drivers/atm/suni.h - S/UNI PHY driver + */ /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */ - #ifndef DRIVER_ATM_SUNI_H #define DRIVER_ATM_SUNI_H @@ -39,7 +40,8 @@ #define SUNI_RLOP_LFM 0x1F /* RLOP Line FEBE MSB */ #define SUNI_TLOP_CTRL 0x20 /* TLOP Control */ #define SUNI_TLOP_DIAG 0x21 /* TLOP Diagnostic */ - /* 0x22-0x2F reserved */ + /* 0x22-0x27 reserved */ +#define SUNI_SSTB_CTRL 0x28 #define SUNI_RPOP_SC 0x30 /* RPOP Status/Control */ #define SUNI_RPOP_IS 0x31 /* RPOP Interrupt Status */ /* 0x32 reserved */ @@ -52,6 +54,7 @@ #define SUNI_RPOP_PFM 0x3B /* RPOP Path FEBE MSB */ /* 0x3C reserved */ #define SUNI_RPOP_PBC 0x3D /* RPOP Path BIP-8 Configuration */ +#define SUNI_RPOP_RC 0x3D /* RPOP Ring Control (PM5355) */ /* 0x3E-0x3F reserved */ #define SUNI_TPOP_CD 0x40 /* TPOP Control/Diagnostic */ #define SUNI_TPOP_PC 0x41 /* TPOP Pointer Control */ @@ -82,7 +85,8 @@ #define SUNI_TACP_TCC 0x65 /* TACP Transmit Cell Counter */ #define SUNI_TACP_TCCM 0x66 /* TACP Transmit Cell Counter MSB */ #define SUNI_TACP_CFG 0x67 /* TACP Configuration */ - /* 0x68-0x7F reserved */ +#define SUNI_SPTB_CTRL 0x68 /* SPTB Control */ + /* 0x69-0x7F reserved */ #define SUNI_MT 0x80 /* Master Test */ /* 0x81-0xFF reserved */ @@ -94,9 +98,18 @@ #define SUNI_MRI_ID_SHIFT 0 #define SUNI_MRI_TYPE 0x70 /* R, SUNI type (lite is 011) */ #define SUNI_MRI_TYPE_SHIFT 4 +#define SUNI_MRI_TYPE_PM5346 0x3 /* S/UNI 155 LITE */ +#define SUNI_MRI_TYPE_PM5347 0x4 /* S/UNI 155 PLUS */ +#define SUNI_MRI_TYPE_PM5350 0x7 /* S/UNI 155 ULTRA */ +#define SUNI_MRI_TYPE_PM5355 0x1 /* S/UNI 622 */ #define SUNI_MRI_RESET 0x80 /* RW, reset & power down chip 0: normal operation 1: reset & low power */ + +/* MCM is reg 0x4 */ +#define SUNI_MCM_LLE 0x20 /* line loopback (PM5355) */ +#define SUNI_MCM_DLE 0x10 /* diagnostic loopback (PM5355) */ + /* MCT is reg 5 */ #define SUNI_MCT_LOOPT 0x01 /* RW, timing source, 0: from TRCLK+/- */ @@ -144,6 +157,12 @@ /* TLOP_DIAG is reg 0x21 */ #define SUNI_TLOP_DIAG_DBIP 0x01 /* insert line BIP err (continuously) */ +/* SSTB_CTRL is reg 0x28 */ +#define SUNI_SSTB_CTRL_LEN16 0x01 /* path trace message length bit */ + +/* RPOP_RC is reg 0x3D (PM5355) */ +#define SUNI_RPOP_RC_ENSS 0x40 /* enable size bit */ + /* TPOP_DIAG is reg 0x40 */ #define SUNI_TPOP_DIAG_PAIS 0x01 /* insert STS path alarm ind (cont) */ #define SUNI_TPOP_DIAG_DB3 0x02 /* insert path BIP err (continuously) */ @@ -191,6 +210,9 @@ pattern */ #define SUNI_TACP_IUCHP_GFC_SHIFT 4 +/* SPTB_CTRL is reg 0x68 */ +#define SUNI_SPTB_CTRL_LEN16 0x01 /* path trace message length */ + /* MT is reg 0x80 */ #define SUNI_MT_HIZIO 0x01 /* RW, all but data bus & MP interface tri-state */ @@ -208,6 +230,7 @@ struct suni_priv { struct k_sonet_stats sonet_stats; /* link diagnostics */ int loop_mode; /* loopback mode */ + int type; /* phy type */ struct atm_dev *dev; /* device back-pointer */ struct suni_priv *next; /* next SUNI */ }; |