summaryrefslogtreecommitdiff
path: root/drivers/ptp
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ptp')
-rw-r--r--drivers/ptp/ptp_chardev.c8
-rw-r--r--drivers/ptp/ptp_idt82p33.c8
-rw-r--r--drivers/ptp/ptp_ines.c4
-rw-r--r--drivers/ptp/ptp_ocp.c188
4 files changed, 122 insertions, 86 deletions
diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c
index 2067b0120d08..ea96a14d72d1 100644
--- a/drivers/ptp/ptp_chardev.c
+++ b/drivers/ptp/ptp_chardev.c
@@ -359,11 +359,15 @@ long ptp_ioctl(struct posix_clock_context *pccontext, unsigned int cmd,
extoff = NULL;
break;
}
- if (extoff->n_samples > PTP_MAX_SAMPLES
- || extoff->rsv[0] || extoff->rsv[1] || extoff->rsv[2]) {
+ if (extoff->n_samples > PTP_MAX_SAMPLES ||
+ extoff->rsv[0] || extoff->rsv[1] ||
+ (extoff->clockid != CLOCK_REALTIME &&
+ extoff->clockid != CLOCK_MONOTONIC &&
+ extoff->clockid != CLOCK_MONOTONIC_RAW)) {
err = -EINVAL;
break;
}
+ sts.clockid = extoff->clockid;
for (i = 0; i < extoff->n_samples; i++) {
err = ptp->info->gettimex64(ptp->info, &ts, &sts);
if (err)
diff --git a/drivers/ptp/ptp_idt82p33.c b/drivers/ptp/ptp_idt82p33.c
index 92bb42c43fb2..d5732490ed9d 100644
--- a/drivers/ptp/ptp_idt82p33.c
+++ b/drivers/ptp/ptp_idt82p33.c
@@ -1171,10 +1171,10 @@ static void idt82p33_caps_init(u32 index, struct ptp_clock_info *caps,
caps->owner = THIS_MODULE;
caps->max_adj = DCO_MAX_PPB;
caps->n_per_out = MAX_PER_OUT;
- caps->n_ext_ts = MAX_PHC_PLL,
- caps->n_pins = max_pins,
- caps->adjphase = idt82p33_adjwritephase,
- caps->getmaxphase = idt82p33_getmaxphase,
+ caps->n_ext_ts = MAX_PHC_PLL;
+ caps->n_pins = max_pins;
+ caps->adjphase = idt82p33_adjwritephase;
+ caps->getmaxphase = idt82p33_getmaxphase;
caps->adjfine = idt82p33_adjfine;
caps->adjtime = idt82p33_adjtime;
caps->gettime64 = idt82p33_gettime;
diff --git a/drivers/ptp/ptp_ines.c b/drivers/ptp/ptp_ines.c
index e6f7d2bf8dde..14a23d3a27f2 100644
--- a/drivers/ptp/ptp_ines.c
+++ b/drivers/ptp/ptp_ines.c
@@ -562,12 +562,8 @@ static int ines_ts_info(struct mii_timestamper *mii_ts,
SOF_TIMESTAMPING_TX_HARDWARE |
SOF_TIMESTAMPING_TX_SOFTWARE |
SOF_TIMESTAMPING_RX_HARDWARE |
- SOF_TIMESTAMPING_RX_SOFTWARE |
- SOF_TIMESTAMPING_SOFTWARE |
SOF_TIMESTAMPING_RAW_HARDWARE;
- info->phc_index = -1;
-
info->tx_types =
(1 << HWTSTAMP_TX_OFF) |
(1 << HWTSTAMP_TX_ON) |
diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c
index ee2ced88ab34..5feecaadde8e 100644
--- a/drivers/ptp/ptp_ocp.c
+++ b/drivers/ptp/ptp_ocp.c
@@ -316,6 +316,15 @@ struct ptp_ocp_serial_port {
#define OCP_SERIAL_LEN 6
#define OCP_SMA_NUM 4
+enum {
+ PORT_GNSS,
+ PORT_GNSS2,
+ PORT_MAC, /* miniature atomic clock */
+ PORT_NMEA,
+
+ __PORT_COUNT,
+};
+
struct ptp_ocp {
struct pci_dev *pdev;
struct device dev;
@@ -357,10 +366,7 @@ struct ptp_ocp {
struct delayed_work sync_work;
int id;
int n_irqs;
- struct ptp_ocp_serial_port gnss_port;
- struct ptp_ocp_serial_port gnss2_port;
- struct ptp_ocp_serial_port mac_port; /* miniature atomic clock */
- struct ptp_ocp_serial_port nmea_port;
+ struct ptp_ocp_serial_port port[__PORT_COUNT];
bool fw_loader;
u8 fw_tag;
u16 fw_version;
@@ -655,28 +661,28 @@ static struct ocp_resource ocp_fb_resource[] = {
},
},
{
- OCP_SERIAL_RESOURCE(gnss_port),
+ OCP_SERIAL_RESOURCE(port[PORT_GNSS]),
.offset = 0x00160000 + 0x1000, .irq_vec = 3,
.extra = &(struct ptp_ocp_serial_port) {
.baud = 115200,
},
},
{
- OCP_SERIAL_RESOURCE(gnss2_port),
+ OCP_SERIAL_RESOURCE(port[PORT_GNSS2]),
.offset = 0x00170000 + 0x1000, .irq_vec = 4,
.extra = &(struct ptp_ocp_serial_port) {
.baud = 115200,
},
},
{
- OCP_SERIAL_RESOURCE(mac_port),
+ OCP_SERIAL_RESOURCE(port[PORT_MAC]),
.offset = 0x00180000 + 0x1000, .irq_vec = 5,
.extra = &(struct ptp_ocp_serial_port) {
.baud = 57600,
},
},
{
- OCP_SERIAL_RESOURCE(nmea_port),
+ OCP_SERIAL_RESOURCE(port[PORT_NMEA]),
.offset = 0x00190000 + 0x1000, .irq_vec = 10,
},
{
@@ -740,7 +746,7 @@ static struct ocp_resource ocp_art_resource[] = {
.offset = 0x01000000, .size = 0x10000,
},
{
- OCP_SERIAL_RESOURCE(gnss_port),
+ OCP_SERIAL_RESOURCE(port[PORT_GNSS]),
.offset = 0x00160000 + 0x1000, .irq_vec = 3,
.extra = &(struct ptp_ocp_serial_port) {
.baud = 115200,
@@ -839,7 +845,7 @@ static struct ocp_resource ocp_art_resource[] = {
},
},
{
- OCP_SERIAL_RESOURCE(mac_port),
+ OCP_SERIAL_RESOURCE(port[PORT_MAC]),
.offset = 0x00190000, .irq_vec = 7,
.extra = &(struct ptp_ocp_serial_port) {
.baud = 9600,
@@ -950,14 +956,14 @@ static struct ocp_resource ocp_adva_resource[] = {
.offset = 0x00220000, .size = 0x1000,
},
{
- OCP_SERIAL_RESOURCE(gnss_port),
+ OCP_SERIAL_RESOURCE(port[PORT_GNSS]),
.offset = 0x00160000 + 0x1000, .irq_vec = 3,
.extra = &(struct ptp_ocp_serial_port) {
.baud = 9600,
},
},
{
- OCP_SERIAL_RESOURCE(mac_port),
+ OCP_SERIAL_RESOURCE(port[PORT_MAC]),
.offset = 0x00180000 + 0x1000, .irq_vec = 5,
.extra = &(struct ptp_ocp_serial_port) {
.baud = 115200,
@@ -1552,22 +1558,24 @@ ptp_ocp_watchdog(struct timer_list *t)
static void
ptp_ocp_estimate_pci_timing(struct ptp_ocp *bp)
{
- ktime_t start, end;
- ktime_t delay;
+ ktime_t start, end, delay = U64_MAX;
u32 ctrl;
+ int i;
- ctrl = ioread32(&bp->reg->ctrl);
- ctrl = OCP_CTRL_READ_TIME_REQ | OCP_CTRL_ENABLE;
+ for (i = 0; i < 3; i++) {
+ ctrl = ioread32(&bp->reg->ctrl);
+ ctrl = OCP_CTRL_READ_TIME_REQ | OCP_CTRL_ENABLE;
- iowrite32(ctrl, &bp->reg->ctrl);
+ iowrite32(ctrl, &bp->reg->ctrl);
- start = ktime_get_ns();
+ start = ktime_get_raw_ns();
- ctrl = ioread32(&bp->reg->ctrl);
+ ctrl = ioread32(&bp->reg->ctrl);
- end = ktime_get_ns();
+ end = ktime_get_raw_ns();
- delay = end - start;
+ delay = min(delay, end - start);
+ }
bp->ts_window_adjust = (delay >> 5) * 3;
}
@@ -1649,6 +1657,15 @@ ptp_ocp_tod_gnss_name(int idx)
return gnss_name[idx];
}
+static const char *
+ptp_ocp_tty_port_name(int idx)
+{
+ static const char * const tty_name[] = {
+ "GNSS", "GNSS2", "MAC", "NMEA"
+ };
+ return tty_name[idx];
+}
+
struct ptp_ocp_nvmem_match_info {
struct ptp_ocp *bp;
const void * const tag;
@@ -3347,6 +3364,54 @@ static EXT_ATTR_RO(freq, frequency, 2);
static EXT_ATTR_RO(freq, frequency, 3);
static ssize_t
+ptp_ocp_tty_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct dev_ext_attribute *ea = to_ext_attr(attr);
+ struct ptp_ocp *bp = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "ttyS%d", bp->port[(uintptr_t)ea->var].line);
+}
+
+static umode_t
+ptp_ocp_timecard_tty_is_visible(struct kobject *kobj, struct attribute *attr, int n)
+{
+ struct ptp_ocp *bp = dev_get_drvdata(kobj_to_dev(kobj));
+ struct ptp_ocp_serial_port *port;
+ struct device_attribute *dattr;
+ struct dev_ext_attribute *ea;
+
+ if (strncmp(attr->name, "tty", 3))
+ return attr->mode;
+
+ dattr = container_of(attr, struct device_attribute, attr);
+ ea = container_of(dattr, struct dev_ext_attribute, attr);
+ port = &bp->port[(uintptr_t)ea->var];
+ return port->line == -1 ? 0 : 0444;
+}
+
+#define EXT_TTY_ATTR_RO(_name, _val) \
+ struct dev_ext_attribute dev_attr_tty##_name = \
+ { __ATTR(tty##_name, 0444, ptp_ocp_tty_show, NULL), (void *)_val }
+
+static EXT_TTY_ATTR_RO(GNSS, PORT_GNSS);
+static EXT_TTY_ATTR_RO(GNSS2, PORT_GNSS2);
+static EXT_TTY_ATTR_RO(MAC, PORT_MAC);
+static EXT_TTY_ATTR_RO(NMEA, PORT_NMEA);
+static struct attribute *ptp_ocp_timecard_tty_attrs[] = {
+ &dev_attr_ttyGNSS.attr.attr,
+ &dev_attr_ttyGNSS2.attr.attr,
+ &dev_attr_ttyMAC.attr.attr,
+ &dev_attr_ttyNMEA.attr.attr,
+ NULL,
+};
+
+static const struct attribute_group ptp_ocp_timecard_tty_group = {
+ .name = "tty",
+ .attrs = ptp_ocp_timecard_tty_attrs,
+ .is_visible = ptp_ocp_timecard_tty_is_visible,
+};
+
+static ssize_t
serialnum_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct ptp_ocp *bp = dev_get_drvdata(dev);
@@ -3775,6 +3840,7 @@ static const struct attribute_group fb_timecard_group = {
static const struct ocp_attr_group fb_timecard_groups[] = {
{ .cap = OCP_CAP_BASIC, .group = &fb_timecard_group },
+ { .cap = OCP_CAP_BASIC, .group = &ptp_ocp_timecard_tty_group },
{ .cap = OCP_CAP_SIGNAL, .group = &fb_timecard_signal0_group },
{ .cap = OCP_CAP_SIGNAL, .group = &fb_timecard_signal1_group },
{ .cap = OCP_CAP_SIGNAL, .group = &fb_timecard_signal2_group },
@@ -3814,6 +3880,7 @@ static const struct attribute_group art_timecard_group = {
static const struct ocp_attr_group art_timecard_groups[] = {
{ .cap = OCP_CAP_BASIC, .group = &art_timecard_group },
+ { .cap = OCP_CAP_BASIC, .group = &ptp_ocp_timecard_tty_group },
{ },
};
@@ -3841,6 +3908,7 @@ static const struct attribute_group adva_timecard_group = {
static const struct ocp_attr_group adva_timecard_groups[] = {
{ .cap = OCP_CAP_BASIC, .group = &adva_timecard_group },
+ { .cap = OCP_CAP_BASIC, .group = &ptp_ocp_timecard_tty_group },
{ .cap = OCP_CAP_SIGNAL, .group = &fb_timecard_signal0_group },
{ .cap = OCP_CAP_SIGNAL, .group = &fb_timecard_signal1_group },
{ .cap = OCP_CAP_FREQ, .group = &fb_timecard_freq0_group },
@@ -3960,16 +4028,11 @@ ptp_ocp_summary_show(struct seq_file *s, void *data)
bp = dev_get_drvdata(dev);
seq_printf(s, "%7s: /dev/ptp%d\n", "PTP", ptp_clock_index(bp->ptp));
- if (bp->gnss_port.line != -1)
- seq_printf(s, "%7s: /dev/ttyS%d\n", "GNSS1",
- bp->gnss_port.line);
- if (bp->gnss2_port.line != -1)
- seq_printf(s, "%7s: /dev/ttyS%d\n", "GNSS2",
- bp->gnss2_port.line);
- if (bp->mac_port.line != -1)
- seq_printf(s, "%7s: /dev/ttyS%d\n", "MAC", bp->mac_port.line);
- if (bp->nmea_port.line != -1)
- seq_printf(s, "%7s: /dev/ttyS%d\n", "NMEA", bp->nmea_port.line);
+ for (i = 0; i < __PORT_COUNT; i++) {
+ if (bp->port[i].line != -1)
+ seq_printf(s, "%7s: /dev/ttyS%d\n", ptp_ocp_tty_port_name(i),
+ bp->port[i].line);
+ }
memset(sma_val, 0xff, sizeof(sma_val));
if (bp->sma_map1) {
@@ -4279,7 +4342,7 @@ ptp_ocp_dev_release(struct device *dev)
static int
ptp_ocp_device_init(struct ptp_ocp *bp, struct pci_dev *pdev)
{
- int err;
+ int i, err;
mutex_lock(&ptp_ocp_lock);
err = idr_alloc(&ptp_ocp_idr, bp, 0, 0, GFP_KERNEL);
@@ -4292,10 +4355,10 @@ ptp_ocp_device_init(struct ptp_ocp *bp, struct pci_dev *pdev)
bp->ptp_info = ptp_ocp_clock_info;
spin_lock_init(&bp->lock);
- bp->gnss_port.line = -1;
- bp->gnss2_port.line = -1;
- bp->mac_port.line = -1;
- bp->nmea_port.line = -1;
+
+ for (i = 0; i < __PORT_COUNT; i++)
+ bp->port[i].line = -1;
+
bp->pdev = pdev;
device_initialize(&bp->dev);
@@ -4352,22 +4415,6 @@ ptp_ocp_complete(struct ptp_ocp *bp)
struct pps_device *pps;
char buf[32];
- if (bp->gnss_port.line != -1) {
- sprintf(buf, "ttyS%d", bp->gnss_port.line);
- ptp_ocp_link_child(bp, buf, "ttyGNSS");
- }
- if (bp->gnss2_port.line != -1) {
- sprintf(buf, "ttyS%d", bp->gnss2_port.line);
- ptp_ocp_link_child(bp, buf, "ttyGNSS2");
- }
- if (bp->mac_port.line != -1) {
- sprintf(buf, "ttyS%d", bp->mac_port.line);
- ptp_ocp_link_child(bp, buf, "ttyMAC");
- }
- if (bp->nmea_port.line != -1) {
- sprintf(buf, "ttyS%d", bp->nmea_port.line);
- ptp_ocp_link_child(bp, buf, "ttyNMEA");
- }
sprintf(buf, "ptp%d", ptp_clock_index(bp->ptp));
ptp_ocp_link_child(bp, buf, "ptp");
@@ -4416,23 +4463,20 @@ ptp_ocp_info(struct ptp_ocp *bp)
};
struct device *dev = &bp->pdev->dev;
u32 reg;
+ int i;
ptp_ocp_phc_info(bp);
- ptp_ocp_serial_info(dev, "GNSS", bp->gnss_port.line,
- bp->gnss_port.baud);
- ptp_ocp_serial_info(dev, "GNSS2", bp->gnss2_port.line,
- bp->gnss2_port.baud);
- ptp_ocp_serial_info(dev, "MAC", bp->mac_port.line, bp->mac_port.baud);
- if (bp->nmea_out && bp->nmea_port.line != -1) {
- bp->nmea_port.baud = -1;
+ for (i = 0; i < __PORT_COUNT; i++) {
+ if (i == PORT_NMEA && bp->nmea_out && bp->port[PORT_NMEA].line != -1) {
+ bp->port[PORT_NMEA].baud = -1;
- reg = ioread32(&bp->nmea_out->uart_baud);
- if (reg < ARRAY_SIZE(nmea_baud))
- bp->nmea_port.baud = nmea_baud[reg];
-
- ptp_ocp_serial_info(dev, "NMEA", bp->nmea_port.line,
- bp->nmea_port.baud);
+ reg = ioread32(&bp->nmea_out->uart_baud);
+ if (reg < ARRAY_SIZE(nmea_baud))
+ bp->port[PORT_NMEA].baud = nmea_baud[reg];
+ }
+ ptp_ocp_serial_info(dev, ptp_ocp_tty_port_name(i), bp->port[i].line,
+ bp->port[i].baud);
}
}
@@ -4441,9 +4485,6 @@ ptp_ocp_detach_sysfs(struct ptp_ocp *bp)
{
struct device *dev = &bp->dev;
- sysfs_remove_link(&dev->kobj, "ttyGNSS");
- sysfs_remove_link(&dev->kobj, "ttyGNSS2");
- sysfs_remove_link(&dev->kobj, "ttyMAC");
sysfs_remove_link(&dev->kobj, "ptp");
sysfs_remove_link(&dev->kobj, "pps");
}
@@ -4473,14 +4514,9 @@ ptp_ocp_detach(struct ptp_ocp *bp)
for (i = 0; i < 4; i++)
if (bp->signal_out[i])
ptp_ocp_unregister_ext(bp->signal_out[i]);
- if (bp->gnss_port.line != -1)
- serial8250_unregister_port(bp->gnss_port.line);
- if (bp->gnss2_port.line != -1)
- serial8250_unregister_port(bp->gnss2_port.line);
- if (bp->mac_port.line != -1)
- serial8250_unregister_port(bp->mac_port.line);
- if (bp->nmea_port.line != -1)
- serial8250_unregister_port(bp->nmea_port.line);
+ for (i = 0; i < __PORT_COUNT; i++)
+ if (bp->port[i].line != -1)
+ serial8250_unregister_port(bp->port[i].line);
platform_device_unregister(bp->spi_flash);
platform_device_unregister(bp->i2c_ctrl);
if (bp->i2c_clk)
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-26 14:06:48 +0300