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-rw-r--r--drivers/usb/serial/Kconfig1
-rw-r--r--drivers/usb/serial/cp210x.c131
-rw-r--r--drivers/usb/serial/ftdi_sio.c4
-rw-r--r--drivers/usb/serial/ftdi_sio_ids.h10
-rw-r--r--drivers/usb/serial/mos7720.c4
-rw-r--r--drivers/usb/serial/option.c19
6 files changed, 142 insertions, 27 deletions
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index 533f127c30ad..7d031911d04e 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# USB Serial device configuration
#
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index c0777a374a88..979bef9bfb6b 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -61,6 +61,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */
{ USB_DEVICE(0x08FD, 0x000A) }, /* Digianswer A/S , ZigBee/802.15.4 MAC Device */
{ USB_DEVICE(0x0908, 0x01FF) }, /* Siemens RUGGEDCOM USB Serial Console */
+ { USB_DEVICE(0x0B00, 0x3070) }, /* Ingenico 3070 */
{ USB_DEVICE(0x0BED, 0x1100) }, /* MEI (TM) Cashflow-SC Bill/Voucher Acceptor */
{ USB_DEVICE(0x0BED, 0x1101) }, /* MEI series 2000 Combo Acceptor */
{ USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */
@@ -79,6 +80,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x804E) }, /* Software Bisque Paramount ME build-in converter */
{ USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */
{ USB_DEVICE(0x10C4, 0x8054) }, /* Enfora GSM2228 */
+ { USB_DEVICE(0x10C4, 0x8056) }, /* Lorenz Messtechnik devices */
{ USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */
{ USB_DEVICE(0x10C4, 0x806F) }, /* IMS USB to RS422 Converter Cable */
{ USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */
@@ -245,6 +247,7 @@ struct cp210x_serial_private {
u8 gpio_input;
#endif
u8 partnum;
+ speed_t min_speed;
speed_t max_speed;
bool use_actual_rate;
};
@@ -443,10 +446,10 @@ struct cp210x_pin_mode {
#define CP210X_PIN_MODE_GPIO BIT(0)
/*
- * CP210X_VENDOR_SPECIFIC, CP210X_GET_PORTCONFIG call reads these 0xf bytes.
- * Structure needs padding due to unused/unspecified bytes.
+ * CP210X_VENDOR_SPECIFIC, CP210X_GET_PORTCONFIG call reads these 0xf bytes
+ * on a CP2105 chip. Structure needs padding due to unused/unspecified bytes.
*/
-struct cp210x_config {
+struct cp210x_dual_port_config {
__le16 gpio_mode;
u8 __pad0[2];
__le16 reset_state;
@@ -457,6 +460,19 @@ struct cp210x_config {
u8 device_cfg;
} __packed;
+/*
+ * CP210X_VENDOR_SPECIFIC, CP210X_GET_PORTCONFIG call reads these 0xd bytes
+ * on a CP2104 chip. Structure needs padding due to unused/unspecified bytes.
+ */
+struct cp210x_single_port_config {
+ __le16 gpio_mode;
+ u8 __pad0[2];
+ __le16 reset_state;
+ u8 __pad1[4];
+ __le16 suspend_state;
+ u8 device_cfg;
+} __packed;
+
/* GPIO modes */
#define CP210X_SCI_GPIO_MODE_OFFSET 9
#define CP210X_SCI_GPIO_MODE_MASK GENMASK(11, 9)
@@ -464,11 +480,19 @@ struct cp210x_config {
#define CP210X_ECI_GPIO_MODE_OFFSET 2
#define CP210X_ECI_GPIO_MODE_MASK GENMASK(3, 2)
+#define CP210X_GPIO_MODE_OFFSET 8
+#define CP210X_GPIO_MODE_MASK GENMASK(11, 8)
+
/* CP2105 port configuration values */
#define CP2105_GPIO0_TXLED_MODE BIT(0)
#define CP2105_GPIO1_RXLED_MODE BIT(1)
#define CP2105_GPIO1_RS485_MODE BIT(2)
+/* CP2104 port configuration values */
+#define CP2104_GPIO0_TXLED_MODE BIT(0)
+#define CP2104_GPIO1_RXLED_MODE BIT(1)
+#define CP2104_GPIO2_RS485_MODE BIT(2)
+
/* CP2102N configuration array indices */
#define CP210X_2NCONFIG_CONFIG_VERSION_IDX 2
#define CP210X_2NCONFIG_GPIO_MODE_IDX 581
@@ -1051,14 +1075,11 @@ static speed_t cp210x_get_an205_rate(speed_t baud)
return cp210x_an205_table1[i].rate;
}
-static speed_t cp210x_get_actual_rate(struct usb_serial *serial, speed_t baud)
+static speed_t cp210x_get_actual_rate(speed_t baud)
{
- struct cp210x_serial_private *priv = usb_get_serial_data(serial);
unsigned int prescale = 1;
unsigned int div;
- baud = clamp(baud, 300u, priv->max_speed);
-
if (baud <= 365)
prescale = 4;
@@ -1101,20 +1122,18 @@ static void cp210x_change_speed(struct tty_struct *tty,
struct cp210x_serial_private *priv = usb_get_serial_data(serial);
u32 baud;
- baud = tty->termios.c_ospeed;
-
/*
* This maps the requested rate to the actual rate, a valid rate on
* cp2102 or cp2103, or to an arbitrary rate in [1M, max_speed].
*
* NOTE: B0 is not implemented.
*/
+ baud = clamp(tty->termios.c_ospeed, priv->min_speed, priv->max_speed);
+
if (priv->use_actual_rate)
- baud = cp210x_get_actual_rate(serial, baud);
+ baud = cp210x_get_actual_rate(baud);
else if (baud < 1000000)
baud = cp210x_get_an205_rate(baud);
- else if (baud > priv->max_speed)
- baud = priv->max_speed;
dev_dbg(&port->dev, "%s - setting baud rate to %u\n", __func__, baud);
if (cp210x_write_u32_reg(port, CP210X_SET_BAUDRATE, baud)) {
@@ -1353,8 +1372,13 @@ static int cp210x_gpio_get(struct gpio_chip *gc, unsigned int gpio)
if (priv->partnum == CP210X_PARTNUM_CP2105)
req_type = REQTYPE_INTERFACE_TO_HOST;
+ result = usb_autopm_get_interface(serial->interface);
+ if (result)
+ return result;
+
result = cp210x_read_vendor_block(serial, req_type,
CP210X_READ_LATCH, &buf, sizeof(buf));
+ usb_autopm_put_interface(serial->interface);
if (result < 0)
return result;
@@ -1375,6 +1399,10 @@ static void cp210x_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
buf.mask = BIT(gpio);
+ result = usb_autopm_get_interface(serial->interface);
+ if (result)
+ goto out;
+
if (priv->partnum == CP210X_PARTNUM_CP2105) {
result = cp210x_write_vendor_block(serial,
REQTYPE_HOST_TO_INTERFACE,
@@ -1392,6 +1420,8 @@ static void cp210x_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
NULL, 0, USB_CTRL_SET_TIMEOUT);
}
+ usb_autopm_put_interface(serial->interface);
+out:
if (result < 0) {
dev_err(&serial->interface->dev, "failed to set GPIO value: %d\n",
result);
@@ -1470,7 +1500,7 @@ static int cp2105_gpioconf_init(struct usb_serial *serial)
{
struct cp210x_serial_private *priv = usb_get_serial_data(serial);
struct cp210x_pin_mode mode;
- struct cp210x_config config;
+ struct cp210x_dual_port_config config;
u8 intf_num = cp210x_interface_num(serial);
u8 iface_config;
int result;
@@ -1529,6 +1559,56 @@ static int cp2105_gpioconf_init(struct usb_serial *serial)
return 0;
}
+static int cp2104_gpioconf_init(struct usb_serial *serial)
+{
+ struct cp210x_serial_private *priv = usb_get_serial_data(serial);
+ struct cp210x_single_port_config config;
+ u8 iface_config;
+ u8 gpio_latch;
+ int result;
+ u8 i;
+
+ result = cp210x_read_vendor_block(serial, REQTYPE_DEVICE_TO_HOST,
+ CP210X_GET_PORTCONFIG, &config,
+ sizeof(config));
+ if (result < 0)
+ return result;
+
+ priv->gc.ngpio = 4;
+
+ iface_config = config.device_cfg;
+ priv->gpio_pushpull = (u8)((le16_to_cpu(config.gpio_mode) &
+ CP210X_GPIO_MODE_MASK) >>
+ CP210X_GPIO_MODE_OFFSET);
+ gpio_latch = (u8)((le16_to_cpu(config.reset_state) &
+ CP210X_GPIO_MODE_MASK) >>
+ CP210X_GPIO_MODE_OFFSET);
+
+ /* mark all pins which are not in GPIO mode */
+ if (iface_config & CP2104_GPIO0_TXLED_MODE) /* GPIO 0 */
+ priv->gpio_altfunc |= BIT(0);
+ if (iface_config & CP2104_GPIO1_RXLED_MODE) /* GPIO 1 */
+ priv->gpio_altfunc |= BIT(1);
+ if (iface_config & CP2104_GPIO2_RS485_MODE) /* GPIO 2 */
+ priv->gpio_altfunc |= BIT(2);
+
+ /*
+ * Like CP2102N, CP2104 has also no strict input and output pin
+ * modes.
+ * Do the same input mode emulation as CP2102N.
+ */
+ for (i = 0; i < priv->gc.ngpio; ++i) {
+ /*
+ * Set direction to "input" iff pin is open-drain and reset
+ * value is 1.
+ */
+ if (!(priv->gpio_pushpull & BIT(i)) && (gpio_latch & BIT(i)))
+ priv->gpio_input |= BIT(i);
+ }
+
+ return 0;
+}
+
static int cp2102n_gpioconf_init(struct usb_serial *serial)
{
struct cp210x_serial_private *priv = usb_get_serial_data(serial);
@@ -1574,12 +1654,6 @@ static int cp2102n_gpioconf_init(struct usb_serial *serial)
if (config_version != 0x01)
return -ENOTSUPP;
- /*
- * We only support 4 GPIOs even on the QFN28 package, because
- * config locations of GPIOs 4-6 determined using reverse
- * engineering revealed conflicting offsets with other
- * documented functions. So we'll just play it safe for now.
- */
priv->gc.ngpio = 4;
/*
@@ -1594,6 +1668,19 @@ static int cp2102n_gpioconf_init(struct usb_serial *serial)
/* 0 indicates GPIO mode, 1 is alternate function */
priv->gpio_altfunc = (gpio_ctrl >> 2) & 0x0f;
+ if (priv->partnum == CP210X_PARTNUM_CP2102N_QFN28) {
+ /*
+ * For the QFN28 package, GPIO4-6 are controlled by
+ * the low three bits of the mode/latch fields.
+ * Contrary to the document linked above, the bits for
+ * the SUSPEND pins are elsewhere. No alternate
+ * function is available for these pins.
+ */
+ priv->gc.ngpio = 7;
+ gpio_latch |= (gpio_rst_latch & 7) << 4;
+ priv->gpio_pushpull |= (gpio_pushpull & 7) << 4;
+ }
+
/*
* The CP2102N does not strictly has input and output pin modes,
* it only knows open-drain and push-pull modes which is set at
@@ -1620,6 +1707,9 @@ static int cp210x_gpio_init(struct usb_serial *serial)
int result;
switch (priv->partnum) {
+ case CP210X_PARTNUM_CP2104:
+ result = cp2104_gpioconf_init(serial);
+ break;
case CP210X_PARTNUM_CP2105:
result = cp2105_gpioconf_init(serial);
break;
@@ -1716,6 +1806,7 @@ static void cp210x_init_max_speed(struct usb_serial *serial)
{
struct cp210x_serial_private *priv = usb_get_serial_data(serial);
bool use_actual_rate = false;
+ speed_t min = 300;
speed_t max;
switch (priv->partnum) {
@@ -1738,6 +1829,7 @@ static void cp210x_init_max_speed(struct usb_serial *serial)
use_actual_rate = true;
max = 2000000; /* ECI */
} else {
+ min = 2400;
max = 921600; /* SCI */
}
break;
@@ -1752,6 +1844,7 @@ static void cp210x_init_max_speed(struct usb_serial *serial)
break;
}
+ priv->min_speed = min;
priv->max_speed = max;
priv->use_actual_rate = use_actual_rate;
}
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 77ef4c481f3c..1d8461ae2c34 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -609,6 +609,8 @@ static const struct usb_device_id id_table_combined[] = {
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) },
@@ -1025,6 +1027,8 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) },
{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) },
{ USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) },
+ /* EZPrototypes devices */
+ { USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) },
{ } /* Terminating entry */
};
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 975d02666c5a..5755f0df0025 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -567,7 +567,9 @@
/*
* NovaTech product ids (FTDI_VID)
*/
-#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */
+#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */
+#define FTDI_NT_ORIONLX_PLUS_PID 0x7c91 /* OrionLX+ Substation Automation Platform */
+#define FTDI_NT_ORION_IO_PID 0x7c92 /* Orion I/O */
/*
* Synapse Wireless product ids (FTDI_VID)
@@ -1309,6 +1311,12 @@
#define IONICS_PLUGCOMPUTER_PID 0x0102
/*
+ * EZPrototypes (PID reseller)
+ */
+#define EZPROTOTYPES_VID 0x1c40
+#define HJELMSLUND_USB485_ISO_PID 0x0477
+
+/*
* Dresden Elektronik Sensor Terminal Board
*/
#define DE_VID 0x1cf1 /* Vendor ID */
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index fc52ac75fbf6..18110225d506 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -366,8 +366,6 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
if (!urbtrack)
return -ENOMEM;
- kref_get(&mos_parport->ref_count);
- urbtrack->mos_parport = mos_parport;
urbtrack->urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urbtrack->urb) {
kfree(urbtrack);
@@ -388,6 +386,8 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
usb_sndctrlpipe(usbdev, 0),
(unsigned char *)urbtrack->setup,
NULL, 0, async_complete, urbtrack);
+ kref_get(&mos_parport->ref_count);
+ urbtrack->mos_parport = mos_parport;
kref_init(&urbtrack->ref_count);
INIT_LIST_HEAD(&urbtrack->urblist_entry);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index aef15497ff31..83869065b802 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -246,6 +246,7 @@ static void option_instat_callback(struct urb *urb);
#define QUECTEL_PRODUCT_EC25 0x0125
#define QUECTEL_PRODUCT_BG96 0x0296
#define QUECTEL_PRODUCT_EP06 0x0306
+#define QUECTEL_PRODUCT_EM12 0x0512
#define CMOTECH_VENDOR_ID 0x16d8
#define CMOTECH_PRODUCT_6001 0x6001
@@ -1066,7 +1067,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3) },
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
- { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
+ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000), /* SIMCom SIM5218 */
+ .driver_info = NCTRL(0) | NCTRL(1) | NCTRL(2) | NCTRL(3) | RSVD(4) },
/* Quectel products using Qualcomm vendor ID */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC15)},
{ USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC20),
@@ -1087,6 +1089,9 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff),
.driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0, 0) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0xff, 0xff),
+ .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0, 0) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003),
@@ -1148,6 +1153,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
.driver_info = NCTRL(0) | RSVD(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1102, 0xff), /* Telit ME910 (ECM) */
+ .driver_info = NCTRL(0) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4),
@@ -1938,10 +1945,12 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff), /* D-Link DWM-222 */
.driver_info = RSVD(4) },
- { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
- { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
- { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */
- { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */
+ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2031, 0xff), /* Olicard 600 */
+ .driver_info = RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */
{ USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) },
{ USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) },
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) },
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