diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt
index 63fd4e6a014bcce2c161288fed6eb90a64b2b4d6..b5bd9d46e0314bae6411ef7b87709b2170f937c2 100644
--- a/Documentation/admin-guide/devices.txt
+++ b/Documentation/admin-guide/devices.txt
@@ -477,11 +477,6 @@
18 block Sanyo CD-ROM
0 = /dev/sjcd Sanyo CD-ROM
- 19 char Cyclades serial card
- 0 = /dev/ttyC0 First Cyclades port
- ...
- 31 = /dev/ttyC31 32nd Cyclades port
-
19 block "Double" compressed disk
0 = /dev/double0 First compressed disk
...
@@ -493,11 +488,6 @@
See the Double documentation for the meaning of the
mirror devices.
- 20 char Cyclades serial card - alternate devices
- 0 = /dev/cub0 Callout device for ttyC0
- ...
- 31 = /dev/cub31 Callout device for ttyC31
-
20 block Hitachi CD-ROM (under development)
0 = /dev/hitcd Hitachi CD-ROM
diff --git a/Documentation/driver-api/serial/cyclades_z.rst b/Documentation/driver-api/serial/cyclades_z.rst
deleted file mode 100644
index 532ff67e2f1c5c6cd4318e43c3ec21bd7fdcc16f..0000000000000000000000000000000000000000
--- a/Documentation/driver-api/serial/cyclades_z.rst
+++ /dev/null
@@ -1,11 +0,0 @@
-================
-Cyclades-Z notes
-================
-
-The Cyclades-Z must have firmware loaded onto the card before it will
-operate. This operation should be performed during system startup,
-
-The firmware, loader program and the latest device driver code are
-available from Cyclades at
-
- ftp://ftp.cyclades.com/pub/cyclades/cyclades-z/linux/
diff --git a/Documentation/driver-api/serial/index.rst b/Documentation/driver-api/serial/index.rst
index 33ad10d05b26501828c8f520e8ea43dbf606cca5..21351b8c95a4d4f8db43f7d40cace9e7affeb9db 100644
--- a/Documentation/driver-api/serial/index.rst
+++ b/Documentation/driver-api/serial/index.rst
@@ -17,7 +17,6 @@ Serial drivers
.. toctree::
:maxdepth: 1
- cyclades_z
moxa-smartio
n_gsm
rocket
diff --git a/Documentation/process/magic-number.rst b/Documentation/process/magic-number.rst
index fa5a62f4150cc8e9cfd90fb0b9aef059d9a66458..d4a30c09bd03c8b2f154dcc28a5c3dc29703a00b 100644
--- a/Documentation/process/magic-number.rst
+++ b/Documentation/process/magic-number.rst
@@ -73,7 +73,6 @@ CMAGIC 0x0111 user ``include/linux/
MKISS_DRIVER_MAGIC 0x04bf mkiss_channel ``drivers/net/mkiss.h``
HDLC_MAGIC 0x239e n_hdlc ``drivers/char/n_hdlc.c``
APM_BIOS_MAGIC 0x4101 apm_user ``arch/x86/kernel/apm_32.c``
-CYCLADES_MAGIC 0x4359 cyclades_port ``include/linux/cyclades.h``
DB_MAGIC 0x4442 fc_info ``drivers/net/iph5526_novram.c``
DL_MAGIC 0x444d fc_info ``drivers/net/iph5526_novram.c``
FASYNC_MAGIC 0x4601 fasync_struct ``include/linux/fs.h``
diff --git a/Documentation/translations/it_IT/process/magic-number.rst b/Documentation/translations/it_IT/process/magic-number.rst
index 1af30f4228f249dc696c10d9a2f331d6f7a5f273..0df2e7e32cd82e41ba31eba276054accf5481d4a 100644
--- a/Documentation/translations/it_IT/process/magic-number.rst
+++ b/Documentation/translations/it_IT/process/magic-number.rst
@@ -79,7 +79,6 @@ CMAGIC 0x0111 user ``include/linux/
MKISS_DRIVER_MAGIC 0x04bf mkiss_channel ``drivers/net/mkiss.h``
HDLC_MAGIC 0x239e n_hdlc ``drivers/char/n_hdlc.c``
APM_BIOS_MAGIC 0x4101 apm_user ``arch/x86/kernel/apm_32.c``
-CYCLADES_MAGIC 0x4359 cyclades_port ``include/linux/cyclades.h``
DB_MAGIC 0x4442 fc_info ``drivers/net/iph5526_novram.c``
DL_MAGIC 0x444d fc_info ``drivers/net/iph5526_novram.c``
FASYNC_MAGIC 0x4601 fasync_struct ``include/linux/fs.h``
diff --git a/Documentation/translations/zh_CN/process/magic-number.rst b/Documentation/translations/zh_CN/process/magic-number.rst
index 7bb9d4165ed3e4a5996fc6b135d8eb6e6bcd09c7..82d62f6a44060012fc65bbe60010cf1ee0ece2a7 100644
--- a/Documentation/translations/zh_CN/process/magic-number.rst
+++ b/Documentation/translations/zh_CN/process/magic-number.rst
@@ -62,7 +62,6 @@ CMAGIC 0x0111 user ``include/linux/
MKISS_DRIVER_MAGIC 0x04bf mkiss_channel ``drivers/net/mkiss.h``
HDLC_MAGIC 0x239e n_hdlc ``drivers/char/n_hdlc.c``
APM_BIOS_MAGIC 0x4101 apm_user ``arch/x86/kernel/apm_32.c``
-CYCLADES_MAGIC 0x4359 cyclades_port ``include/linux/cyclades.h``
DB_MAGIC 0x4442 fc_info ``drivers/net/iph5526_novram.c``
DL_MAGIC 0x444d fc_info ``drivers/net/iph5526_novram.c``
FASYNC_MAGIC 0x4601 fasync_struct ``include/linux/fs.h``
diff --git a/Documentation/userspace-api/ioctl/ioctl-number.rst b/Documentation/userspace-api/ioctl/ioctl-number.rst
index 599bd449394441611e726ef6f2b6c3b1b4b96481..0a7b408c0ec7a52a4edb2d37c7ce8888eb231bd0 100644
--- a/Documentation/userspace-api/ioctl/ioctl-number.rst
+++ b/Documentation/userspace-api/ioctl/ioctl-number.rst
@@ -209,7 +209,6 @@ Code Seq# Include File Comments
linux/fs.h,
'X' all fs/ocfs2/ocfs_fs.h conflict!
'X' 01 linux/pktcdvd.h conflict!
-'Y' all linux/cyclades.h
'Z' 14-15 drivers/message/fusion/mptctl.h
'[' 00-3F linux/usb/tmc.h USB Test and Measurement Devices
<mailto:gregkh@linuxfoundation.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 363530db37ac0cc760111e69c15c3b79e1e83770..29f20a97d73db3dc466f89e2426c0d94db2a745f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4876,13 +4876,6 @@ S: Maintained
W: http://www.armlinux.org.uk/
F: drivers/video/fbdev/cyber2000fb.*
-CYCLADES ASYNC MUX DRIVER
-S: Orphan
-W: http://www.cyclades.com/
-F: drivers/tty/cyclades.c
-F: include/linux/cyclades.h
-F: include/uapi/linux/cyclades.h
-
CYCLADES PC300 DRIVER
S: Orphan
F: drivers/net/wan/pc300*
diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig
index 6677ac0da45a5ec036c19a5f0418e0448a0fcd4a..1fd9d1260f9e996e0a760f66acade1256c79618d 100644
--- a/arch/powerpc/configs/ppc6xx_defconfig
+++ b/arch/powerpc/configs/ppc6xx_defconfig
@@ -595,7 +595,6 @@ CONFIG_GAMEPORT_FM801=m
# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_NONSTANDARD=y
CONFIG_ROCKETPORT=m
-CONFIG_CYCLADES=m
CONFIG_SYNCLINK_GT=m
CONFIG_NOZOMI=m
CONFIG_N_HDLC=m
diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig
index e15cd6b5bb99a896b21d98506a900d1ab6686cb6..397523a8095efe801bef5abc1f9cf88171146355 100644
--- a/drivers/tty/Kconfig
+++ b/drivers/tty/Kconfig
@@ -181,7 +181,7 @@ config SERIAL_NONSTANDARD
help
Say Y here if you have any non-standard serial boards -- boards
which aren't supported using the standard "dumb" serial driver.
- This includes intelligent serial boards such as Cyclades,
+ This includes intelligent serial boards such as
Digiboards, etc. These are usually used for systems that need many
serial ports because they serve many terminals or dial-in
connections.
@@ -207,35 +207,6 @@ config ROCKETPORT
If you want to compile this driver into the kernel, say Y here. If
you don't have a Comtrol RocketPort/RocketModem card installed, say N.
-config CYCLADES
- tristate "Cyclades async mux support"
- depends on SERIAL_NONSTANDARD && (PCI || ISA)
- select FW_LOADER
- help
- This driver supports Cyclades Z and Y multiserial boards.
- You would need something like this to connect more than two modems to
- your Linux box, for instance in order to become a dial-in server.
-
- For information about the Cyclades-Z card, read
- <file:Documentation/driver-api/serial/cyclades_z.rst>.
-
- To compile this driver as a module, choose M here: the
- module will be called cyclades.
-
- If you haven't heard about it, it's safe to say N.
-
-config CYZ_INTR
- bool "Cyclades-Z interrupt mode operation"
- depends on CYCLADES && PCI
- help
- The Cyclades-Z family of multiport cards allows 2 (two) driver op
- modes: polling and interrupt. In polling mode, the driver will check
- the status of the Cyclades-Z ports every certain amount of time
- (which is called polling cycle and is configurable). In interrupt
- mode, it will use an interrupt line (IRQ) in order to check the
- status of the Cyclades-Z ports. The default op mode is polling. If
- unsure, say N.
-
config MOXA_INTELLIO
tristate "Moxa Intellio support"
depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI)
diff --git a/drivers/tty/Makefile b/drivers/tty/Makefile
index 730de6bf048bb7f1e1a7d3a131dc7f22f21cb89c..94eb2bf75763ab10404066c83e893d3694a1f8d1 100644
--- a/drivers/tty/Makefile
+++ b/drivers/tty/Makefile
@@ -18,7 +18,6 @@ obj-$(CONFIG_SERIAL_DEV_BUS) += serdev/
# tty drivers
obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o
-obj-$(CONFIG_CYCLADES) += cyclades.o
obj-$(CONFIG_ISI) += isicom.o
obj-$(CONFIG_MOXA_INTELLIO) += moxa.o
obj-$(CONFIG_MOXA_SMARTIO) += mxser.o
diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c
deleted file mode 100644
index 097266342e5e3086f158f964a0b9c87021f73884..0000000000000000000000000000000000000000
--- a/drivers/tty/cyclades.c
+++ /dev/null
@@ -1,4119 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#undef BLOCKMOVE
-#define Z_WAKE
-#undef Z_EXT_CHARS_IN_BUFFER
-
-/*
- * This file contains the driver for the Cyclades async multiport
- * serial boards.
- *
- * Initially written by Randolph Bentson <bentson@grieg.seaslug.org>.
- * Modified and maintained by Marcio Saito <marcio@cyclades.com>.
- *
- * Copyright (C) 2007-2009 Jiri Slaby <jirislaby@gmail.com>
- *
- * Much of the design and some of the code came from serial.c
- * which was copyright (C) 1991, 1992 Linus Torvalds. It was
- * extensively rewritten by Theodore Ts'o, 8/16/92 -- 9/14/92,
- * and then fixed as suggested by Michael K. Johnson 12/12/92.
- * Converted to pci probing and cleaned up by Jiri Slaby.
- *
- */
-
-#define CY_VERSION "2.6"
-
-/* If you need to install more boards than NR_CARDS, change the constant
- in the definition below. No other change is necessary to support up to
- eight boards. Beyond that you'll have to extend cy_isa_addresses. */
-
-#define NR_CARDS 4
-
-/*
- If the total number of ports is larger than NR_PORTS, change this
- constant in the definition below. No other change is necessary to
- support more boards/ports. */
-
-#define NR_PORTS 256
-
-#define ZO_V1 0
-#define ZO_V2 1
-#define ZE_V1 2
-
-#define SERIAL_PARANOIA_CHECK
-#undef CY_DEBUG_OPEN
-#undef CY_DEBUG_THROTTLE
-#undef CY_DEBUG_OTHER
-#undef CY_DEBUG_IO
-#undef CY_DEBUG_COUNT
-#undef CY_DEBUG_DTR
-#undef CY_DEBUG_INTERRUPTS
-#undef CY_16Y_HACK
-#undef CY_ENABLE_MONITORING
-#undef CY_PCI_DEBUG
-
-/*
- * Include section
- */
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/serial.h>
-#include <linux/major.h>
-#include <linux/string.h>
-#include <linux/fcntl.h>
-#include <linux/ptrace.h>
-#include <linux/cyclades.h>
-#include <linux/mm.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/spinlock.h>
-#include <linux/bitops.h>
-#include <linux/firmware.h>
-#include <linux/device.h>
-#include <linux/slab.h>
-
-#include <linux/io.h>
-#include <linux/uaccess.h>
-
-#include <linux/kernel.h>
-#include <linux/pci.h>
-
-#include <linux/stat.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-
-static void cy_send_xchar(struct tty_struct *tty, char ch);
-
-#ifndef SERIAL_XMIT_SIZE
-#define SERIAL_XMIT_SIZE (min(PAGE_SIZE, 4096))
-#endif
-
-/* firmware stuff */
-#define ZL_MAX_BLOCKS 16
-#define DRIVER_VERSION 0x02010203
-#define RAM_SIZE 0x80000
-
-enum zblock_type {
- ZBLOCK_PRG = 0,
- ZBLOCK_FPGA = 1
-};
-
-struct zfile_header {
- char name[64];
- char date[32];
- char aux[32];
- u32 n_config;
- u32 config_offset;
- u32 n_blocks;
- u32 block_offset;
- u32 reserved[9];
-} __attribute__ ((packed));
-
-struct zfile_config {
- char name[64];
- u32 mailbox;
- u32 function;
- u32 n_blocks;
- u32 block_list[ZL_MAX_BLOCKS];
-} __attribute__ ((packed));
-
-struct zfile_block {
- u32 type;
- u32 file_offset;
- u32 ram_offset;
- u32 size;
-} __attribute__ ((packed));
-
-static struct tty_driver *cy_serial_driver;
-
-#ifdef CONFIG_ISA
-/* This is the address lookup table. The driver will probe for
- Cyclom-Y/ISA boards at all addresses in here. If you want the
- driver to probe addresses at a different address, add it to
- this table. If the driver is probing some other board and
- causing problems, remove the offending address from this table.
-*/
-
-static unsigned int cy_isa_addresses[] = {
- 0xD0000,
- 0xD2000,
- 0xD4000,
- 0xD6000,
- 0xD8000,
- 0xDA000,
- 0xDC000,
- 0xDE000,
- 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-#define NR_ISA_ADDRS ARRAY_SIZE(cy_isa_addresses)
-
-static long maddr[NR_CARDS];
-static int irq[NR_CARDS];
-
-module_param_hw_array(maddr, long, iomem, NULL, 0);
-module_param_hw_array(irq, int, irq, NULL, 0);
-
-#endif /* CONFIG_ISA */
-
-/* This is the per-card data structure containing address, irq, number of
- channels, etc. This driver supports a maximum of NR_CARDS cards.
-*/
-static struct cyclades_card cy_card[NR_CARDS];
-
-static int cy_next_channel; /* next minor available */
-
-/*
- * This is used to look up the divisor speeds and the timeouts
- * We're normally limited to 15 distinct baud rates. The extra
- * are accessed via settings in info->port.flags.
- * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
- * 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
- * HI VHI
- * 20
- */
-static const int baud_table[] = {
- 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200,
- 1800, 2400, 4800, 9600, 19200, 38400, 57600, 76800, 115200, 150000,
- 230400, 0
-};
-
-static const char baud_co_25[] = { /* 25 MHz clock option table */
- /* value => 00 01 02 03 04 */
- /* divide by 8 32 128 512 2048 */
- 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x02,
- 0x02, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-};
-
-static const char baud_bpr_25[] = { /* 25 MHz baud rate period table */
- 0x00, 0xf5, 0xa3, 0x6f, 0x5c, 0x51, 0xf5, 0xa3, 0x51, 0xa3,
- 0x6d, 0x51, 0xa3, 0x51, 0xa3, 0x51, 0x36, 0x29, 0x1b, 0x15
-};
-
-static const char baud_co_60[] = { /* 60 MHz clock option table (CD1400 J) */
- /* value => 00 01 02 03 04 */
- /* divide by 8 32 128 512 2048 */
- 0x00, 0x00, 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03,
- 0x03, 0x02, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00
-};
-
-static const char baud_bpr_60[] = { /* 60 MHz baud rate period table (CD1400 J) */
- 0x00, 0x82, 0x21, 0xff, 0xdb, 0xc3, 0x92, 0x62, 0xc3, 0x62,
- 0x41, 0xc3, 0x62, 0xc3, 0x62, 0xc3, 0x82, 0x62, 0x41, 0x32,
- 0x21
-};
-
-static const char baud_cor3[] = { /* receive threshold */
- 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
- 0x0a, 0x0a, 0x0a, 0x09, 0x09, 0x08, 0x08, 0x08, 0x08, 0x07,
- 0x07
-};
-
-/*
- * The Cyclades driver implements HW flow control as any serial driver.
- * The cyclades_port structure member rflow and the vector rflow_thr
- * allows us to take advantage of a special feature in the CD1400 to avoid
- * data loss even when the system interrupt latency is too high. These flags
- * are to be used only with very special applications. Setting these flags
- * requires the use of a special cable (DTR and RTS reversed). In the new
- * CD1400-based boards (rev. 6.00 or later), there is no need for special
- * cables.
- */
-
-static const char rflow_thr[] = { /* rflow threshold */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
- 0x0a
-};
-
-/* The Cyclom-Ye has placed the sequential chips in non-sequential
- * address order. This look-up table overcomes that problem.
- */
-static const unsigned int cy_chip_offset[] = { 0x0000,
- 0x0400,
- 0x0800,
- 0x0C00,
- 0x0200,
- 0x0600,
- 0x0A00,
- 0x0E00
-};
-
-/* PCI related definitions */
-
-#ifdef CONFIG_PCI
-static const struct pci_device_id cy_pci_dev_id[] = {
- /* PCI < 1Mb */
- { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_Y_Lo) },
- /* PCI > 1Mb */
- { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_Y_Hi) },
- /* 4Y PCI < 1Mb */
- { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_4Y_Lo) },
- /* 4Y PCI > 1Mb */
- { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_4Y_Hi) },
- /* 8Y PCI < 1Mb */
- { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_8Y_Lo) },
- /* 8Y PCI > 1Mb */
- { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_8Y_Hi) },
- /* Z PCI < 1Mb */
- { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_Z_Lo) },
- /* Z PCI > 1Mb */
- { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_Z_Hi) },
- { } /* end of table */
-};
-MODULE_DEVICE_TABLE(pci, cy_pci_dev_id);
-#endif
-
-static void cy_start(struct tty_struct *);
-static void cy_set_line_char(struct cyclades_port *, struct tty_struct *);
-static int cyz_issue_cmd(struct cyclades_card *, __u32, __u8, __u32);
-#ifdef CONFIG_ISA
-static unsigned detect_isa_irq(void __iomem *);
-#endif /* CONFIG_ISA */
-
-#ifndef CONFIG_CYZ_INTR
-static void cyz_poll(struct timer_list *);
-
-/* The Cyclades-Z polling cycle is defined by this variable */
-static long cyz_polling_cycle = CZ_DEF_POLL;
-
-static DEFINE_TIMER(cyz_timerlist, cyz_poll);
-
-#else /* CONFIG_CYZ_INTR */
-static void cyz_rx_restart(struct timer_list *);
-#endif /* CONFIG_CYZ_INTR */
-
-static void cyy_writeb(struct cyclades_port *port, u32 reg, u8 val)
-{
- struct cyclades_card *card = port->card;
-
- cy_writeb(port->u.cyy.base_addr + (reg << card->bus_index), val);
-}
-
-static u8 cyy_readb(struct cyclades_port *port, u32 reg)
-{
- struct cyclades_card *card = port->card;
-
- return readb(port->u.cyy.base_addr + (reg << card->bus_index));
-}
-
-static inline bool cy_is_Z(struct cyclades_card *card)
-{
- return card->num_chips == (unsigned int)-1;
-}
-
-static inline bool __cyz_fpga_loaded(struct RUNTIME_9060 __iomem *ctl_addr)
-{
- return readl(&ctl_addr->init_ctrl) & (1 << 17);
-}
-
-static inline bool cyz_fpga_loaded(struct cyclades_card *card)
-{
- return __cyz_fpga_loaded(card->ctl_addr.p9060);
-}
-
-static bool cyz_is_loaded(struct cyclades_card *card)
-{
- struct FIRM_ID __iomem *fw_id = card->base_addr + ID_ADDRESS;
-
- return (card->hw_ver == ZO_V1 || cyz_fpga_loaded(card)) &&
- readl(&fw_id->signature) == ZFIRM_ID;
-}
-
-static int serial_paranoia_check(struct cyclades_port *info,
- const char *name, const char *routine)
-{
-#ifdef SERIAL_PARANOIA_CHECK
- if (!info) {
- printk(KERN_WARNING "cyc Warning: null cyclades_port for (%s) "
- "in %s\n", name, routine);
- return 1;
- }
-
- if (info->magic != CYCLADES_MAGIC) {
- printk(KERN_WARNING "cyc Warning: bad magic number for serial "
- "struct (%s) in %s\n", name, routine);
- return 1;
- }
-#endif
- return 0;
-}
-
-/***********************************************************/
-/********* Start of block of Cyclom-Y specific code ********/
-
-/* This routine waits up to 1000 micro-seconds for the previous
- command to the Cirrus chip to complete and then issues the
- new command. An error is returned if the previous command
- didn't finish within the time limit.
-
- This function is only called from inside spinlock-protected code.
- */
-static int __cyy_issue_cmd(void __iomem *base_addr, u8 cmd, int index)
-{
- void __iomem *ccr = base_addr + (CyCCR << index);
- unsigned int i;
-
- /* Check to see that the previous command has completed */
- for (i = 0; i < 100; i++) {
- if (readb(ccr) == 0)
- break;
- udelay(10L);
- }
- /* if the CCR never cleared, the previous command
- didn't finish within the "reasonable time" */
- if (i == 100)
- return -1;
-
- /* Issue the new command */
- cy_writeb(ccr, cmd);
-
- return 0;
-}
-
-static inline int cyy_issue_cmd(struct cyclades_port *port, u8 cmd)
-{
- return __cyy_issue_cmd(port->u.cyy.base_addr, cmd,
- port->card->bus_index);
-}
-
-#ifdef CONFIG_ISA
-/* ISA interrupt detection code */
-static unsigned detect_isa_irq(void __iomem *address)
-{
- int irq;
- unsigned long irqs, flags;
- int save_xir, save_car;
- int index = 0; /* IRQ probing is only for ISA */
-
- /* forget possible initially masked and pending IRQ */
- irq = probe_irq_off(probe_irq_on());
-
- /* Clear interrupts on the board first */
- cy_writeb(address + (Cy_ClrIntr << index), 0);
- /* Cy_ClrIntr is 0x1800 */
-
- irqs = probe_irq_on();
- /* Wait ... */
- msleep(5);
-
- /* Enable the Tx interrupts on the CD1400 */
- local_irq_save(flags);
- cy_writeb(address + (CyCAR << index), 0);
- __cyy_issue_cmd(address, CyCHAN_CTL | CyENB_XMTR, index);
-
- cy_writeb(address + (CyCAR << index), 0);
- cy_writeb(address + (CySRER << index),
- readb(address + (CySRER << index)) | CyTxRdy);
- local_irq_restore(flags);
-
- /* Wait ... */
- msleep(5);
-
- /* Check which interrupt is in use */
- irq = probe_irq_off(irqs);
-
- /* Clean up */
- save_xir = (u_char) readb(address + (CyTIR << index));
- save_car = readb(address + (CyCAR << index));
- cy_writeb(address + (CyCAR << index), (save_xir & 0x3));
- cy_writeb(address + (CySRER << index),
- readb(address + (CySRER << index)) & ~CyTxRdy);
- cy_writeb(address + (CyTIR << index), (save_xir & 0x3f));
- cy_writeb(address + (CyCAR << index), (save_car));
- cy_writeb(address + (Cy_ClrIntr << index), 0);
- /* Cy_ClrIntr is 0x1800 */
-
- return (irq > 0) ? irq : 0;
-}
-#endif /* CONFIG_ISA */
-
-static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
- void __iomem *base_addr)
-{
- struct cyclades_port *info;
- struct tty_port *port;
- int len, index = cinfo->bus_index;
- u8 ivr, save_xir, channel, save_car, data, char_count;
-
-#ifdef CY_DEBUG_INTERRUPTS
- printk(KERN_DEBUG "cyy_interrupt: rcvd intr, chip %d\n", chip);
-#endif
- /* determine the channel & change to that context */
- save_xir = readb(base_addr + (CyRIR << index));
- channel = save_xir & CyIRChannel;
- info = &cinfo->ports[channel + chip * 4];
- port = &info->port;
- save_car = cyy_readb(info, CyCAR);
- cyy_writeb(info, CyCAR, save_xir);
- ivr = cyy_readb(info, CyRIVR) & CyIVRMask;
-
- /* there is an open port for this data */
- if (ivr == CyIVRRxEx) { /* exception */
- data = cyy_readb(info, CyRDSR);
-
- /* For statistics only */
- if (data & CyBREAK)
- info->icount.brk++;
- else if (data & CyFRAME)
- info->icount.frame++;
- else if (data & CyPARITY)
- info->icount.parity++;
- else if (data & CyOVERRUN)
- info->icount.overrun++;
-
- if (data & info->ignore_status_mask) {
- info->icount.rx++;
- return;
- }
- if (tty_buffer_request_room(port, 1)) {
- if (data & info->read_status_mask) {
- if (data & CyBREAK) {
- tty_insert_flip_char(port,
- cyy_readb(info, CyRDSR),
- TTY_BREAK);
- info->icount.rx++;
- if (port->flags & ASYNC_SAK) {
- struct tty_struct *tty =
- tty_port_tty_get(port);
- if (tty) {
- do_SAK(tty);
- tty_kref_put(tty);
- }
- }
- } else if (data & CyFRAME) {
- tty_insert_flip_char(port,
- cyy_readb(info, CyRDSR),
- TTY_FRAME);
- info->icount.rx++;
- info->idle_stats.frame_errs++;
- } else if (data & CyPARITY) {
- /* Pieces of seven... */
- tty_insert_flip_char(port,
- cyy_readb(info, CyRDSR),
- TTY_PARITY);
- info->icount.rx++;
- info->idle_stats.parity_errs++;
- } else if (data & CyOVERRUN) {
- tty_insert_flip_char(port, 0,
- TTY_OVERRUN);
- info->icount.rx++;
- /* If the flip buffer itself is
- overflowing, we still lose
- the next incoming character.
- */
- tty_insert_flip_char(port,
- cyy_readb(info, CyRDSR),
- TTY_FRAME);
- info->icount.rx++;
- info->idle_stats.overruns++;
- /* These two conditions may imply */
- /* a normal read should be done. */
- /* } else if(data & CyTIMEOUT) { */
- /* } else if(data & CySPECHAR) { */
- } else {
- tty_insert_flip_char(port, 0,
- TTY_NORMAL);
- info->icount.rx++;
- }
- } else {
- tty_insert_flip_char(port, 0, TTY_NORMAL);
- info->icount.rx++;
- }
- } else {
- /* there was a software buffer overrun and nothing
- * could be done about it!!! */
- info->icount.buf_overrun++;
- info->idle_stats.overruns++;
- }
- } else { /* normal character reception */
- /* load # chars available from the chip */
- char_count = cyy_readb(info, CyRDCR);
-
-#ifdef CY_ENABLE_MONITORING
- ++info->mon.int_count;
- info->mon.char_count += char_count;
- if (char_count > info->mon.char_max)
- info->mon.char_max = char_count;
- info->mon.char_last = char_count;
-#endif
- len = tty_buffer_request_room(port, char_count);
- while (len--) {
- data = cyy_readb(info, CyRDSR);
- tty_insert_flip_char(port, data, TTY_NORMAL);
- info->idle_stats.recv_bytes++;
- info->icount.rx++;
-#ifdef CY_16Y_HACK
- udelay(10L);
-#endif
- }
- info->idle_stats.recv_idle = jiffies;
- }
- tty_schedule_flip(port);
-
- /* end of service */
- cyy_writeb(info, CyRIR, save_xir & 0x3f);
- cyy_writeb(info, CyCAR, save_car);
-}
-
-static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
- void __iomem *base_addr)
-{
- struct cyclades_port *info;
- struct tty_struct *tty;
- int char_count, index = cinfo->bus_index;
- u8 save_xir, channel, save_car, outch;
-
- /* Since we only get here when the transmit buffer
- is empty, we know we can always stuff a dozen
- characters. */
-#ifdef CY_DEBUG_INTERRUPTS
- printk(KERN_DEBUG "cyy_interrupt: xmit intr, chip %d\n", chip);
-#endif
-
- /* determine the channel & change to that context */
- save_xir = readb(base_addr + (CyTIR << index));
- channel = save_xir & CyIRChannel;
- save_car = readb(base_addr + (CyCAR << index));
- cy_writeb(base_addr + (CyCAR << index), save_xir);
-
- info = &cinfo->ports[channel + chip * 4];
- tty = tty_port_tty_get(&info->port);
- if (tty == NULL) {
- cyy_writeb(info, CySRER, cyy_readb(info, CySRER) & ~CyTxRdy);
- goto end;
- }
-
- /* load the on-chip space for outbound data */
- char_count = info->xmit_fifo_size;
-
- if (info->x_char) { /* send special char */
- outch = info->x_char;
- cyy_writeb(info, CyTDR, outch);
- char_count--;
- info->icount.tx++;
- info->x_char = 0;
- }
-
- if (info->breakon || info->breakoff) {
- if (info->breakon) {
- cyy_writeb(info, CyTDR, 0);
- cyy_writeb(info, CyTDR, 0x81);
- info->breakon = 0;
- char_count -= 2;
- }
- if (info->breakoff) {
- cyy_writeb(info, CyTDR, 0);
- cyy_writeb(info, CyTDR, 0x83);
- info->breakoff = 0;
- char_count -= 2;
- }
- }
-
- while (char_count-- > 0) {
- if (!info->xmit_cnt) {
- if (cyy_readb(info, CySRER) & CyTxMpty) {
- cyy_writeb(info, CySRER,
- cyy_readb(info, CySRER) & ~CyTxMpty);
- } else {
- cyy_writeb(info, CySRER, CyTxMpty |
- (cyy_readb(info, CySRER) & ~CyTxRdy));
- }
- goto done;
- }
- if (info->port.xmit_buf == NULL) {
- cyy_writeb(info, CySRER,
- cyy_readb(info, CySRER) & ~CyTxRdy);
- goto done;
- }
- if (tty->stopped || tty->hw_stopped) {
- cyy_writeb(info, CySRER,
- cyy_readb(info, CySRER) & ~CyTxRdy);
- goto done;
- }
- /* Because the Embedded Transmit Commands have been enabled,
- * we must check to see if the escape character, NULL, is being
- * sent. If it is, we must ensure that there is room for it to
- * be doubled in the output stream. Therefore we no longer
- * advance the pointer when the character is fetched, but
- * rather wait until after the check for a NULL output
- * character. This is necessary because there may not be room
- * for the two chars needed to send a NULL.)
- */
- outch = info->port.xmit_buf[info->xmit_tail];
- if (outch) {
- info->xmit_cnt--;
- info->xmit_tail = (info->xmit_tail + 1) &
- (SERIAL_XMIT_SIZE - 1);
- cyy_writeb(info, CyTDR, outch);
- info->icount.tx++;
- } else {
- if (char_count > 1) {
- info->xmit_cnt--;
- info->xmit_tail = (info->xmit_tail + 1) &
- (SERIAL_XMIT_SIZE - 1);
- cyy_writeb(info, CyTDR, outch);
- cyy_writeb(info, CyTDR, 0);
- info->icount.tx++;
- char_count--;
- }
- }
- }
-
-done:
- tty_wakeup(tty);
- tty_kref_put(tty);
-end:
- /* end of service */
- cyy_writeb(info, CyTIR, save_xir & 0x3f);
- cyy_writeb(info, CyCAR, save_car);
-}
-
-static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
- void __iomem *base_addr)
-{
- struct cyclades_port *info;
- struct tty_struct *tty;
- int index = cinfo->bus_index;
- u8 save_xir, channel, save_car, mdm_change, mdm_status;
-
- /* determine the channel & change to that context */
- save_xir = readb(base_addr + (CyMIR << index));
- channel = save_xir & CyIRChannel;
- info = &cinfo->ports[channel + chip * 4];
- save_car = cyy_readb(info, CyCAR);
- cyy_writeb(info, CyCAR, save_xir);
-
- mdm_change = cyy_readb(info, CyMISR);
- mdm_status = cyy_readb(info, CyMSVR1);
-
- tty = tty_port_tty_get(&info->port);
- if (!tty)
- goto end;
-
- if (mdm_change & CyANY_DELTA) {
- /* For statistics only */
- if (mdm_change & CyDCD)
- info->icount.dcd++;
- if (mdm_change & CyCTS)
- info->icount.cts++;
- if (mdm_change & CyDSR)
- info->icount.dsr++;
- if (mdm_change & CyRI)
- info->icount.rng++;
-
- wake_up_interruptible(&info->port.delta_msr_wait);
- }
-
- if ((mdm_change & CyDCD) && tty_port_check_carrier(&info->port)) {
- if (mdm_status & CyDCD)
- wake_up_interruptible(&info->port.open_wait);
- else
- tty_hangup(tty);
- }
- if ((mdm_change & CyCTS) && tty_port_cts_enabled(&info->port)) {
- if (tty->hw_stopped) {
- if (mdm_status & CyCTS) {
- /* cy_start isn't used
- because... !!! */
- tty->hw_stopped = 0;
- cyy_writeb(info, CySRER,
- cyy_readb(info, CySRER) | CyTxRdy);
- tty_wakeup(tty);
- }
- } else {
- if (!(mdm_status & CyCTS)) {
- /* cy_stop isn't used
- because ... !!! */
- tty->hw_stopped = 1;
- cyy_writeb(info, CySRER,
- cyy_readb(info, CySRER) & ~CyTxRdy);
- }
- }
- }
-/* if (mdm_change & CyDSR) {
- }
- if (mdm_change & CyRI) {
- }*/
- tty_kref_put(tty);
-end:
- /* end of service */
- cyy_writeb(info, CyMIR, save_xir & 0x3f);
- cyy_writeb(info, CyCAR, save_car);
-}
-
-/* The real interrupt service routine is called
- whenever the card wants its hand held--chars
- received, out buffer empty, modem change, etc.
- */
-static irqreturn_t cyy_interrupt(int irq, void *dev_id)
-{
- int status;
- struct cyclades_card *cinfo = dev_id;
- void __iomem *base_addr, *card_base_addr;
- unsigned int chip, too_many, had_work;
- int index;
-
- if (unlikely(cinfo == NULL)) {
-#ifdef CY_DEBUG_INTERRUPTS
- printk(KERN_DEBUG "cyy_interrupt: spurious interrupt %d\n",
- irq);
-#endif
- return IRQ_NONE; /* spurious interrupt */
- }
-
- card_base_addr = cinfo->base_addr;
- index = cinfo->bus_index;
-
- /* card was not initialized yet (e.g. DEBUG_SHIRQ) */
- if (unlikely(card_base_addr == NULL))
- return IRQ_HANDLED;
-
- /* This loop checks all chips in the card. Make a note whenever
- _any_ chip had some work to do, as this is considered an
- indication that there will be more to do. Only when no chip
- has any work does this outermost loop exit.
- */
- do {
- had_work = 0;
- for (chip = 0; chip < cinfo->num_chips; chip++) {
- base_addr = cinfo->base_addr +
- (cy_chip_offset[chip] << index);
- too_many = 0;
- while ((status = readb(base_addr +
- (CySVRR << index))) != 0x00) {
- had_work++;
- /* The purpose of the following test is to ensure that
- no chip can monopolize the driver. This forces the
- chips to be checked in a round-robin fashion (after
- draining each of a bunch (1000) of characters).
- */
- if (1000 < too_many++)
- break;
- spin_lock(&cinfo->card_lock);
- if (status & CySRReceive) /* rx intr */
- cyy_chip_rx(cinfo, chip, base_addr);
- if (status & CySRTransmit) /* tx intr */
- cyy_chip_tx(cinfo, chip, base_addr);
- if (status & CySRModem) /* modem intr */
- cyy_chip_modem(cinfo, chip, base_addr);
- spin_unlock(&cinfo->card_lock);
- }
- }
- } while (had_work);
-
- /* clear interrupts */
- spin_lock(&cinfo->card_lock);
- cy_writeb(card_base_addr + (Cy_ClrIntr << index), 0);
- /* Cy_ClrIntr is 0x1800 */
- spin_unlock(&cinfo->card_lock);
- return IRQ_HANDLED;
-} /* cyy_interrupt */
-
-static void cyy_change_rts_dtr(struct cyclades_port *info, unsigned int set,
- unsigned int clear)
-{
- struct cyclades_card *card = info->card;
- int channel = info->line - card->first_line;
- u32 rts, dtr, msvrr, msvrd;
-
- channel &= 0x03;
-
- if (info->rtsdtr_inv) {
- msvrr = CyMSVR2;
- msvrd = CyMSVR1;
- rts = CyDTR;
- dtr = CyRTS;
- } else {
- msvrr = CyMSVR1;
- msvrd = CyMSVR2;
- rts = CyRTS;
- dtr = CyDTR;
- }
- if (set & TIOCM_RTS) {
- cyy_writeb(info, CyCAR, channel);
- cyy_writeb(info, msvrr, rts);
- }
- if (clear & TIOCM_RTS) {
- cyy_writeb(info, CyCAR, channel);
- cyy_writeb(info, msvrr, ~rts);
- }
- if (set & TIOCM_DTR) {
- cyy_writeb(info, CyCAR, channel);
- cyy_writeb(info, msvrd, dtr);
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:set_modem_info raising DTR\n");
- printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
- cyy_readb(info, CyMSVR1),
- cyy_readb(info, CyMSVR2));
-#endif
- }
- if (clear & TIOCM_DTR) {
- cyy_writeb(info, CyCAR, channel);
- cyy_writeb(info, msvrd, ~dtr);
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:set_modem_info dropping DTR\n");
- printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
- cyy_readb(info, CyMSVR1),
- cyy_readb(info, CyMSVR2));
-#endif
- }
-}
-
-/***********************************************************/
-/********* End of block of Cyclom-Y specific code **********/
-/******** Start of block of Cyclades-Z specific code *******/
-/***********************************************************/
-
-static int
-cyz_fetch_msg(struct cyclades_card *cinfo,
- __u32 *channel, __u8 *cmd, __u32 *param)
-{
- struct BOARD_CTRL __iomem *board_ctrl = cinfo->board_ctrl;
- unsigned long loc_doorbell;
-
- loc_doorbell = readl(&cinfo->ctl_addr.p9060->loc_doorbell);
- if (loc_doorbell) {
- *cmd = (char)(0xff & loc_doorbell);
- *channel = readl(&board_ctrl->fwcmd_channel);
- *param = (__u32) readl(&board_ctrl->fwcmd_param);
- cy_writel(&cinfo->ctl_addr.p9060->loc_doorbell, 0xffffffff);
- return 1;
- }
- return 0;
-} /* cyz_fetch_msg */
-
-static int
-cyz_issue_cmd(struct cyclades_card *cinfo,
- __u32 channel, __u8 cmd, __u32 param)
-{
- struct BOARD_CTRL __iomem *board_ctrl = cinfo->board_ctrl;
- __u32 __iomem *pci_doorbell;
- unsigned int index;
-
- if (!cyz_is_loaded(cinfo))
- return -1;
-
- index = 0;
- pci_doorbell = &cinfo->ctl_addr.p9060->pci_doorbell;
- while ((readl(pci_doorbell) & 0xff) != 0) {
- if (index++ == 1000)
- return (int)(readl(pci_doorbell) & 0xff);
- udelay(50L);
- }
- cy_writel(&board_ctrl->hcmd_channel, channel);
- cy_writel(&board_ctrl->hcmd_param, param);
- cy_writel(pci_doorbell, (long)cmd);
-
- return 0;
-} /* cyz_issue_cmd */
-
-static void cyz_handle_rx(struct cyclades_port *info)
-{
- struct BUF_CTRL __iomem *buf_ctrl = info->u.cyz.buf_ctrl;
- struct cyclades_card *cinfo = info->card;
- struct tty_port *port = &info->port;
- unsigned int char_count;
- int len;
-#ifdef BLOCKMOVE
- unsigned char *buf;
-#else
- char data;
-#endif
- __u32 rx_put, rx_get, new_rx_get, rx_bufsize, rx_bufaddr;
-
- rx_get = new_rx_get = readl(&buf_ctrl->rx_get);
- rx_put = readl(&buf_ctrl->rx_put);
- rx_bufsize = readl(&buf_ctrl->rx_bufsize);
- rx_bufaddr = readl(&buf_ctrl->rx_bufaddr);
- if (rx_put >= rx_get)
- char_count = rx_put - rx_get;
- else
- char_count = rx_put - rx_get + rx_bufsize;
-
- if (!char_count)
- return;
-
-#ifdef CY_ENABLE_MONITORING
- info->mon.int_count++;
- info->mon.char_count += char_count;
- if (char_count > info->mon.char_max)
- info->mon.char_max = char_count;
- info->mon.char_last = char_count;
-#endif
-
-#ifdef BLOCKMOVE
- /* we'd like to use memcpy(t, f, n) and memset(s, c, count)
- for performance, but because of buffer boundaries, there
- may be several steps to the operation */
- while (1) {
- len = tty_prepare_flip_string(port, &buf,
- char_count);
- if (!len)
- break;
-
- len = min_t(unsigned int, min(len, char_count),
- rx_bufsize - new_rx_get);
-
- memcpy_fromio(buf, cinfo->base_addr +
- rx_bufaddr + new_rx_get, len);
-
- new_rx_get = (new_rx_get + len) &
- (rx_bufsize - 1);
- char_count -= len;
- info->icount.rx += len;
- info->idle_stats.recv_bytes += len;
- }
-#else
- len = tty_buffer_request_room(port, char_count);
- while (len--) {
- data = readb(cinfo->base_addr + rx_bufaddr +
- new_rx_get);
- new_rx_get = (new_rx_get + 1) &
- (rx_bufsize - 1);
- tty_insert_flip_char(port, data, TTY_NORMAL);
- info->idle_stats.recv_bytes++;
- info->icount.rx++;
- }
-#endif
-#ifdef CONFIG_CYZ_INTR
- /* Recalculate the number of chars in the RX buffer and issue
- a cmd in case it's higher than the RX high water mark */
- rx_put = readl(&buf_ctrl->rx_put);
- if (rx_put >= rx_get)
- char_count = rx_put - rx_get;
- else
- char_count = rx_put - rx_get + rx_bufsize;
- if (char_count >= readl(&buf_ctrl->rx_threshold) &&
- !timer_pending(&info->rx_full_timer))
- mod_timer(&info->rx_full_timer, jiffies + 1);
-#endif
- info->idle_stats.recv_idle = jiffies;
- tty_schedule_flip(&info->port);
-
- /* Update rx_get */
- cy_writel(&buf_ctrl->rx_get, new_rx_get);
-}
-
-static void cyz_handle_tx(struct cyclades_port *info)
-{
- struct BUF_CTRL __iomem *buf_ctrl = info->u.cyz.buf_ctrl;
- struct cyclades_card *cinfo = info->card;
- struct tty_struct *tty;
- u8 data;
- unsigned int char_count;
-#ifdef BLOCKMOVE
- int small_count;
-#endif
- __u32 tx_put, tx_get, tx_bufsize, tx_bufaddr;
-
- if (info->xmit_cnt <= 0) /* Nothing to transmit */
- return;
-
- tx_get = readl(&buf_ctrl->tx_get);
- tx_put = readl(&buf_ctrl->tx_put);
- tx_bufsize = readl(&buf_ctrl->tx_bufsize);
- tx_bufaddr = readl(&buf_ctrl->tx_bufaddr);
- if (tx_put >= tx_get)
- char_count = tx_get - tx_put - 1 + tx_bufsize;
- else
- char_count = tx_get - tx_put - 1;
-
- if (!char_count)
- return;
-
- tty = tty_port_tty_get(&info->port);
- if (tty == NULL)
- goto ztxdone;
-
- if (info->x_char) { /* send special char */
- data = info->x_char;
-
- cy_writeb(cinfo->base_addr + tx_bufaddr + tx_put, data);
- tx_put = (tx_put + 1) & (tx_bufsize - 1);
- info->x_char = 0;
- char_count--;
- info->icount.tx++;
- }
-#ifdef BLOCKMOVE
- while (0 < (small_count = min_t(unsigned int,
- tx_bufsize - tx_put, min_t(unsigned int,
- (SERIAL_XMIT_SIZE - info->xmit_tail),
- min_t(unsigned int, info->xmit_cnt,
- char_count))))) {
-
- memcpy_toio((char *)(cinfo->base_addr + tx_bufaddr + tx_put),
- &info->port.xmit_buf[info->xmit_tail],
- small_count);
-
- tx_put = (tx_put + small_count) & (tx_bufsize - 1);
- char_count -= small_count;
- info->icount.tx += small_count;
- info->xmit_cnt -= small_count;
- info->xmit_tail = (info->xmit_tail + small_count) &
- (SERIAL_XMIT_SIZE - 1);
- }
-#else
- while (info->xmit_cnt && char_count) {
- data = info->port.xmit_buf[info->xmit_tail];
- info->xmit_cnt--;
- info->xmit_tail = (info->xmit_tail + 1) &
- (SERIAL_XMIT_SIZE - 1);
-
- cy_writeb(cinfo->base_addr + tx_bufaddr + tx_put, data);
- tx_put = (tx_put + 1) & (tx_bufsize - 1);
- char_count--;
- info->icount.tx++;
- }
-#endif
- tty_wakeup(tty);
- tty_kref_put(tty);
-ztxdone:
- /* Update tx_put */
- cy_writel(&buf_ctrl->tx_put, tx_put);
-}
-
-static void cyz_handle_cmd(struct cyclades_card *cinfo)
-{
- struct BOARD_CTRL __iomem *board_ctrl = cinfo->board_ctrl;
- struct cyclades_port *info;
- __u32 channel, param, fw_ver;
- __u8 cmd;
- int special_count;
- int delta_count;
-
- fw_ver = readl(&board_ctrl->fw_version);
-
- while (cyz_fetch_msg(cinfo, &channel, &cmd, ¶m) == 1) {
- special_count = 0;
- delta_count = 0;
- info = &cinfo->ports[channel];
-
- switch (cmd) {
- case C_CM_PR_ERROR:
- tty_insert_flip_char(&info->port, 0, TTY_PARITY);
- info->icount.rx++;
- special_count++;
- break;
- case C_CM_FR_ERROR:
- tty_insert_flip_char(&info->port, 0, TTY_FRAME);
- info->icount.rx++;
- special_count++;
- break;
- case C_CM_RXBRK:
- tty_insert_flip_char(&info->port, 0, TTY_BREAK);
- info->icount.rx++;
- special_count++;
- break;
- case C_CM_MDCD:
- info->icount.dcd++;
- delta_count++;
- if (tty_port_check_carrier(&info->port)) {
- u32 dcd = fw_ver > 241 ? param :
- readl(&info->u.cyz.ch_ctrl->rs_status);
- if (dcd & C_RS_DCD)
- wake_up_interruptible(&info->port.open_wait);
- else
- tty_port_tty_hangup(&info->port, false);
- }
- break;
- case C_CM_MCTS:
- info->icount.cts++;
- delta_count++;
- break;
- case C_CM_MRI:
- info->icount.rng++;
- delta_count++;
- break;
- case C_CM_MDSR:
- info->icount.dsr++;
- delta_count++;
- break;
-#ifdef Z_WAKE
- case C_CM_IOCTLW:
- complete(&info->shutdown_wait);
- break;
-#endif
-#ifdef CONFIG_CYZ_INTR
- case C_CM_RXHIWM:
- case C_CM_RXNNDT:
- case C_CM_INTBACK2:
- /* Reception Interrupt */
-#ifdef CY_DEBUG_INTERRUPTS
- printk(KERN_DEBUG "cyz_interrupt: rcvd intr, card %d, "
- "port %ld\n", info->card, channel);
-#endif
- cyz_handle_rx(info);
- break;
- case C_CM_TXBEMPTY:
- case C_CM_TXLOWWM:
- case C_CM_INTBACK:
- /* Transmission Interrupt */
-#ifdef CY_DEBUG_INTERRUPTS
- printk(KERN_DEBUG "cyz_interrupt: xmit intr, card %d, "
- "port %ld\n", info->card, channel);
-#endif
- cyz_handle_tx(info);
- break;
-#endif /* CONFIG_CYZ_INTR */
- case C_CM_FATAL:
- /* should do something with this !!! */
- break;
- default:
- break;
- }
- if (delta_count)
- wake_up_interruptible(&info->port.delta_msr_wait);
- if (special_count)
- tty_schedule_flip(&info->port);
- }
-}
-
-#ifdef CONFIG_CYZ_INTR
-static irqreturn_t cyz_interrupt(int irq, void *dev_id)
-{
- struct cyclades_card *cinfo = dev_id;
-
- if (unlikely(!cyz_is_loaded(cinfo))) {
-#ifdef CY_DEBUG_INTERRUPTS
- printk(KERN_DEBUG "cyz_interrupt: board not yet loaded "
- "(IRQ%d).\n", irq);
-#endif
- return IRQ_NONE;
- }
-
- /* Handle the interrupts */
- cyz_handle_cmd(cinfo);
-
- return IRQ_HANDLED;
-} /* cyz_interrupt */
-
-static void cyz_rx_restart(struct timer_list *t)
-{
- struct cyclades_port *info = from_timer(info, t, rx_full_timer);
- struct cyclades_card *card = info->card;
- int retval;
- __u32 channel = info->line - card->first_line;
- unsigned long flags;
-
- spin_lock_irqsave(&card->card_lock, flags);
- retval = cyz_issue_cmd(card, channel, C_CM_INTBACK2, 0L);
- if (retval != 0) {
- printk(KERN_ERR "cyc:cyz_rx_restart retval on ttyC%d was %x\n",
- info->line, retval);
- }
- spin_unlock_irqrestore(&card->card_lock, flags);
-}
-
-#else /* CONFIG_CYZ_INTR */
-
-static void cyz_poll(struct timer_list *unused)
-{
- struct cyclades_card *cinfo;
- struct cyclades_port *info;
- unsigned long expires = jiffies + HZ;
- unsigned int port, card;
-
- for (card = 0; card < NR_CARDS; card++) {
- cinfo = &cy_card[card];
-
- if (!cy_is_Z(cinfo))
- continue;
- if (!cyz_is_loaded(cinfo))
- continue;
-
- /* Skip first polling cycle to avoid racing conditions with the FW */
- if (!cinfo->intr_enabled) {
- cinfo->intr_enabled = 1;
- continue;
- }
-
- cyz_handle_cmd(cinfo);
-
- for (port = 0; port < cinfo->nports; port++) {
- info = &cinfo->ports[port];
-
- if (!info->throttle)
- cyz_handle_rx(info);
- cyz_handle_tx(info);
- }
- /* poll every 'cyz_polling_cycle' period */
- expires = jiffies + cyz_polling_cycle;
- }
- mod_timer(&cyz_timerlist, expires);
-} /* cyz_poll */
-
-#endif /* CONFIG_CYZ_INTR */
-
-/********** End of block of Cyclades-Z specific code *********/
-/***********************************************************/
-
-/* This is called whenever a port becomes active;
- interrupts are enabled and DTR & RTS are turned on.
- */
-static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
-{
- struct cyclades_card *card;
- unsigned long flags;
- int retval = 0;
- int channel;
- unsigned long page;
-
- card = info->card;
- channel = info->line - card->first_line;
-
- page = get_zeroed_page(GFP_KERNEL);
- if (!page)
- return -ENOMEM;
-
- spin_lock_irqsave(&card->card_lock, flags);
-
- if (tty_port_initialized(&info->port))
- goto errout;
-
- if (!info->type) {
- set_bit(TTY_IO_ERROR, &tty->flags);
- goto errout;
- }
-
- if (info->port.xmit_buf)
- free_page(page);
- else
- info->port.xmit_buf = (unsigned char *)page;
-
- spin_unlock_irqrestore(&card->card_lock, flags);
-
- cy_set_line_char(info, tty);
-
- if (!cy_is_Z(card)) {
- channel &= 0x03;
-
- spin_lock_irqsave(&card->card_lock, flags);
-
- cyy_writeb(info, CyCAR, channel);
-
- cyy_writeb(info, CyRTPR,
- (info->default_timeout ? info->default_timeout : 0x02));
- /* 10ms rx timeout */
-
- cyy_issue_cmd(info, CyCHAN_CTL | CyENB_RCVR | CyENB_XMTR);
-
- cyy_change_rts_dtr(info, TIOCM_RTS | TIOCM_DTR, 0);
-
- cyy_writeb(info, CySRER, cyy_readb(info, CySRER) | CyRxData);
- } else {
- struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
-
- if (!cyz_is_loaded(card))
- return -ENODEV;
-
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc startup Z card %d, channel %d, "
- "base_addr %p\n", card, channel, card->base_addr);
-#endif
- spin_lock_irqsave(&card->card_lock, flags);
-
- cy_writel(&ch_ctrl->op_mode, C_CH_ENABLE);
-#ifdef Z_WAKE
-#ifdef CONFIG_CYZ_INTR
- cy_writel(&ch_ctrl->intr_enable,
- C_IN_TXBEMPTY | C_IN_TXLOWWM | C_IN_RXHIWM |
- C_IN_RXNNDT | C_IN_IOCTLW | C_IN_MDCD);
-#else
- cy_writel(&ch_ctrl->intr_enable,
- C_IN_IOCTLW | C_IN_MDCD);
-#endif /* CONFIG_CYZ_INTR */
-#else
-#ifdef CONFIG_CYZ_INTR
- cy_writel(&ch_ctrl->intr_enable,
- C_IN_TXBEMPTY | C_IN_TXLOWWM | C_IN_RXHIWM |
- C_IN_RXNNDT | C_IN_MDCD);
-#else
- cy_writel(&ch_ctrl->intr_enable, C_IN_MDCD);
-#endif /* CONFIG_CYZ_INTR */
-#endif /* Z_WAKE */
-
- retval = cyz_issue_cmd(card, channel, C_CM_IOCTL, 0L);
- if (retval != 0) {
- printk(KERN_ERR "cyc:startup(1) retval on ttyC%d was "
- "%x\n", info->line, retval);
- }
-
- /* Flush RX buffers before raising DTR and RTS */
- retval = cyz_issue_cmd(card, channel, C_CM_FLUSH_RX, 0L);
- if (retval != 0) {
- printk(KERN_ERR "cyc:startup(2) retval on ttyC%d was "
- "%x\n", info->line, retval);
- }
-
- /* set timeout !!! */
- /* set RTS and DTR !!! */
- tty_port_raise_dtr_rts(&info->port);
-
- /* enable send, recv, modem !!! */
- }
-
- tty_port_set_initialized(&info->port, 1);
-
- clear_bit(TTY_IO_ERROR, &tty->flags);
- info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
- info->breakon = info->breakoff = 0;
- memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats));
- info->idle_stats.in_use =
- info->idle_stats.recv_idle =
- info->idle_stats.xmit_idle = jiffies;
-
- spin_unlock_irqrestore(&card->card_lock, flags);
-
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc startup done\n");
-#endif
- return 0;
-
-errout:
- spin_unlock_irqrestore(&card->card_lock, flags);
- free_page(page);
- return retval;
-} /* startup */
-
-static void start_xmit(struct cyclades_port *info)
-{
- struct cyclades_card *card = info->card;
- unsigned long flags;
- int channel = info->line - card->first_line;
-
- if (!cy_is_Z(card)) {
- spin_lock_irqsave(&card->card_lock, flags);
- cyy_writeb(info, CyCAR, channel & 0x03);
- cyy_writeb(info, CySRER, cyy_readb(info, CySRER) | CyTxRdy);
- spin_unlock_irqrestore(&card->card_lock, flags);
- } else {
-#ifdef CONFIG_CYZ_INTR
- int retval;
-
- spin_lock_irqsave(&card->card_lock, flags);
- retval = cyz_issue_cmd(card, channel, C_CM_INTBACK, 0L);
- if (retval != 0) {
- printk(KERN_ERR "cyc:start_xmit retval on ttyC%d was "
- "%x\n", info->line, retval);
- }
- spin_unlock_irqrestore(&card->card_lock, flags);
-#else /* CONFIG_CYZ_INTR */
- /* Don't have to do anything at this time */
-#endif /* CONFIG_CYZ_INTR */
- }
-} /* start_xmit */
-
-/*
- * This routine shuts down a serial port; interrupts are disabled,
- * and DTR is dropped if the hangup on close termio flag is on.
- */
-static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
-{
- struct cyclades_card *card;
- unsigned long flags;
-
- if (!tty_port_initialized(&info->port))
- return;
-
- card = info->card;
- if (!cy_is_Z(card)) {
- spin_lock_irqsave(&card->card_lock, flags);
-
- /* Clear delta_msr_wait queue to avoid mem leaks. */
- wake_up_interruptible(&info->port.delta_msr_wait);
-
- if (info->port.xmit_buf) {
- unsigned char *temp;
- temp = info->port.xmit_buf;
- info->port.xmit_buf = NULL;
- free_page((unsigned long)temp);
- }
- if (C_HUPCL(tty))
- cyy_change_rts_dtr(info, 0, TIOCM_RTS | TIOCM_DTR);
-
- cyy_issue_cmd(info, CyCHAN_CTL | CyDIS_RCVR);
- /* it may be appropriate to clear _XMIT at
- some later date (after testing)!!! */
-
- set_bit(TTY_IO_ERROR, &tty->flags);
- tty_port_set_initialized(&info->port, 0);
- spin_unlock_irqrestore(&card->card_lock, flags);
- } else {
-#ifdef CY_DEBUG_OPEN
- int channel = info->line - card->first_line;
- printk(KERN_DEBUG "cyc shutdown Z card %d, channel %d, "
- "base_addr %p\n", card, channel, card->base_addr);
-#endif
-
- if (!cyz_is_loaded(card))
- return;
-
- spin_lock_irqsave(&card->card_lock, flags);
-
- if (info->port.xmit_buf) {
- unsigned char *temp;
- temp = info->port.xmit_buf;
- info->port.xmit_buf = NULL;
- free_page((unsigned long)temp);
- }
-
- if (C_HUPCL(tty))
- tty_port_lower_dtr_rts(&info->port);
-
- set_bit(TTY_IO_ERROR, &tty->flags);
- tty_port_set_initialized(&info->port, 0);
-
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
-
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc shutdown done\n");
-#endif
-} /* shutdown */
-
-/*
- * ------------------------------------------------------------
- * cy_open() and friends
- * ------------------------------------------------------------
- */
-
-/*
- * This routine is called whenever a serial port is opened. It
- * performs the serial-specific initialization for the tty structure.
- */
-static int cy_open(struct tty_struct *tty, struct file *filp)
-{
- struct cyclades_port *info;
- unsigned int i, line = tty->index;
- int retval;
-
- for (i = 0; i < NR_CARDS; i++)
- if (line < cy_card[i].first_line + cy_card[i].nports &&
- line >= cy_card[i].first_line)
- break;
- if (i >= NR_CARDS)
- return -ENODEV;
- info = &cy_card[i].ports[line - cy_card[i].first_line];
- if (info->line < 0)
- return -ENODEV;
-
- /* If the card's firmware hasn't been loaded,
- treat it as absent from the system. This
- will make the user pay attention.
- */
- if (cy_is_Z(info->card)) {
- struct cyclades_card *cinfo = info->card;
- struct FIRM_ID __iomem *firm_id = cinfo->base_addr + ID_ADDRESS;
-
- if (!cyz_is_loaded(cinfo)) {
- if (cinfo->hw_ver == ZE_V1 && cyz_fpga_loaded(cinfo) &&
- readl(&firm_id->signature) ==
- ZFIRM_HLT) {
- printk(KERN_ERR "cyc:Cyclades-Z Error: you "
- "need an external power supply for "
- "this number of ports.\nFirmware "
- "halted.\n");
- } else {
- printk(KERN_ERR "cyc:Cyclades-Z firmware not "
- "yet loaded\n");
- }
- return -ENODEV;
- }
-#ifdef CONFIG_CYZ_INTR
- else {
- /* In case this Z board is operating in interrupt mode, its
- interrupts should be enabled as soon as the first open
- happens to one of its ports. */
- if (!cinfo->intr_enabled) {
- u16 intr;
-
- /* Enable interrupts on the PLX chip */
- intr = readw(&cinfo->ctl_addr.p9060->
- intr_ctrl_stat) | 0x0900;
- cy_writew(&cinfo->ctl_addr.p9060->
- intr_ctrl_stat, intr);
- /* Enable interrupts on the FW */
- retval = cyz_issue_cmd(cinfo, 0,
- C_CM_IRQ_ENBL, 0L);
- if (retval != 0) {
- printk(KERN_ERR "cyc:IRQ enable retval "
- "was %x\n", retval);
- }
- cinfo->intr_enabled = 1;
- }
- }
-#endif /* CONFIG_CYZ_INTR */
- /* Make sure this Z port really exists in hardware */
- if (info->line > (cinfo->first_line + cinfo->nports - 1))
- return -ENODEV;
- }
-#ifdef CY_DEBUG_OTHER
- printk(KERN_DEBUG "cyc:cy_open ttyC%d\n", info->line);
-#endif
- tty->driver_data = info;
- if (serial_paranoia_check(info, tty->name, "cy_open"))
- return -ENODEV;
-
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc:cy_open ttyC%d, count = %d\n", info->line,
- info->port.count);
-#endif
- info->port.count++;
-#ifdef CY_DEBUG_COUNT
- printk(KERN_DEBUG "cyc:cy_open (%d): incrementing count to %d\n",
- current->pid, info->port.count);
-#endif
-
- /*
- * Start up serial port
- */
- retval = cy_startup(info, tty);
- if (retval)
- return retval;
-
- retval = tty_port_block_til_ready(&info->port, tty, filp);
- if (retval) {
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc:cy_open returning after block_til_ready "
- "with %d\n", retval);
-#endif
- return retval;
- }
-
- info->throttle = 0;
- tty_port_tty_set(&info->port, tty);
-
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc:cy_open done\n");
-#endif
- return 0;
-} /* cy_open */
-
-/*
- * cy_wait_until_sent() --- wait until the transmitter is empty
- */
-static void cy_wait_until_sent(struct tty_struct *tty, int timeout)
-{
- struct cyclades_card *card;
- struct cyclades_port *info = tty->driver_data;
- unsigned long orig_jiffies;
- int char_time;
-
- if (serial_paranoia_check(info, tty->name, "cy_wait_until_sent"))
- return;
-
- if (info->xmit_fifo_size == 0)
- return; /* Just in case.... */
-
- orig_jiffies = jiffies;
- /*
- * Set the check interval to be 1/5 of the estimated time to
- * send a single character, and make it at least 1. The check
- * interval should also be less than the timeout.
- *
- * Note: we have to use pretty tight timings here to satisfy
- * the NIST-PCTS.
- */
- char_time = (info->timeout - HZ / 50) / info->xmit_fifo_size;
- char_time = char_time / 5;
- if (char_time <= 0)
- char_time = 1;
- if (timeout < 0)
- timeout = 0;
- if (timeout)
- char_time = min(char_time, timeout);
- /*
- * If the transmitter hasn't cleared in twice the approximate
- * amount of time to send the entire FIFO, it probably won't
- * ever clear. This assumes the UART isn't doing flow
- * control, which is currently the case. Hence, if it ever
- * takes longer than info->timeout, this is probably due to a
- * UART bug of some kind. So, we clamp the timeout parameter at
- * 2*info->timeout.
- */
- if (!timeout || timeout > 2 * info->timeout)
- timeout = 2 * info->timeout;
-
- card = info->card;
- if (!cy_is_Z(card)) {
- while (cyy_readb(info, CySRER) & CyTxRdy) {
- if (msleep_interruptible(jiffies_to_msecs(char_time)))
- break;
- if (timeout && time_after(jiffies, orig_jiffies +
- timeout))
- break;
- }
- }
- /* Run one more char cycle */
- msleep_interruptible(jiffies_to_msecs(char_time * 5));
-}
-
-static void cy_flush_buffer(struct tty_struct *tty)
-{
- struct cyclades_port *info = tty->driver_data;
- struct cyclades_card *card;
- int channel, retval;
- unsigned long flags;
-
-#ifdef CY_DEBUG_IO
- printk(KERN_DEBUG "cyc:cy_flush_buffer ttyC%d\n", info->line);
-#endif
-
- if (serial_paranoia_check(info, tty->name, "cy_flush_buffer"))
- return;
-
- card = info->card;
- channel = info->line - card->first_line;
-
- spin_lock_irqsave(&card->card_lock, flags);
- info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
- spin_unlock_irqrestore(&card->card_lock, flags);
-
- if (cy_is_Z(card)) { /* If it is a Z card, flush the on-board
- buffers as well */
- spin_lock_irqsave(&card->card_lock, flags);
- retval = cyz_issue_cmd(card, channel, C_CM_FLUSH_TX, 0L);
- if (retval != 0) {
- printk(KERN_ERR "cyc: flush_buffer retval on ttyC%d "
- "was %x\n", info->line, retval);
- }
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
- tty_wakeup(tty);
-} /* cy_flush_buffer */
-
-
-static void cy_do_close(struct tty_port *port)
-{
- struct cyclades_port *info = container_of(port, struct cyclades_port,
- port);
- struct cyclades_card *card;
- unsigned long flags;
- int channel;
-
- card = info->card;
- channel = info->line - card->first_line;
- spin_lock_irqsave(&card->card_lock, flags);
-
- if (!cy_is_Z(card)) {
- /* Stop accepting input */
- cyy_writeb(info, CyCAR, channel & 0x03);
- cyy_writeb(info, CySRER, cyy_readb(info, CySRER) & ~CyRxData);
- if (tty_port_initialized(&info->port)) {
- /* Waiting for on-board buffers to be empty before
- closing the port */
- spin_unlock_irqrestore(&card->card_lock, flags);
- cy_wait_until_sent(port->tty, info->timeout);
- spin_lock_irqsave(&card->card_lock, flags);
- }
- } else {
-#ifdef Z_WAKE
- /* Waiting for on-board buffers to be empty before closing
- the port */
- struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
- int retval;
-
- if (readl(&ch_ctrl->flow_status) != C_FS_TXIDLE) {
- retval = cyz_issue_cmd(card, channel, C_CM_IOCTLW, 0L);
- if (retval != 0) {
- printk(KERN_DEBUG "cyc:cy_close retval on "
- "ttyC%d was %x\n", info->line, retval);
- }
- spin_unlock_irqrestore(&card->card_lock, flags);
- wait_for_completion_interruptible(&info->shutdown_wait);
- spin_lock_irqsave(&card->card_lock, flags);
- }
-#endif
- }
- spin_unlock_irqrestore(&card->card_lock, flags);
- cy_shutdown(info, port->tty);
-}
-
-/*
- * This routine is called when a particular tty device is closed.
- */
-static void cy_close(struct tty_struct *tty, struct file *filp)
-{
- struct cyclades_port *info = tty->driver_data;
- if (!info || serial_paranoia_check(info, tty->name, "cy_close"))
- return;
- tty_port_close(&info->port, tty, filp);
-} /* cy_close */
-
-/* This routine gets called when tty_write has put something into
- * the write_queue. The characters may come from user space or
- * kernel space.
- *
- * This routine will return the number of characters actually
- * accepted for writing.
- *
- * If the port is not already transmitting stuff, start it off by
- * enabling interrupts. The interrupt service routine will then
- * ensure that the characters are sent.
- * If the port is already active, there is no need to kick it.
- *
- */
-static int cy_write(struct tty_struct *tty, const unsigned char *buf, int count)
-{
- struct cyclades_port *info = tty->driver_data;
- unsigned long flags;
- int c, ret = 0;
-
-#ifdef CY_DEBUG_IO
- printk(KERN_DEBUG "cyc:cy_write ttyC%d\n", info->line);
-#endif
-
- if (serial_paranoia_check(info, tty->name, "cy_write"))
- return 0;
-
- if (!info->port.xmit_buf)
- return 0;
-
- spin_lock_irqsave(&info->card->card_lock, flags);
- while (1) {
- c = min(count, (int)(SERIAL_XMIT_SIZE - info->xmit_cnt - 1));
- c = min(c, (int)(SERIAL_XMIT_SIZE - info->xmit_head));
-
- if (c <= 0)
- break;
-
- memcpy(info->port.xmit_buf + info->xmit_head, buf, c);
- info->xmit_head = (info->xmit_head + c) &
- (SERIAL_XMIT_SIZE - 1);
- info->xmit_cnt += c;
- buf += c;
- count -= c;
- ret += c;
- }
- spin_unlock_irqrestore(&info->card->card_lock, flags);
-
- info->idle_stats.xmit_bytes += ret;
- info->idle_stats.xmit_idle = jiffies;
-
- if (info->xmit_cnt && !tty->stopped && !tty->hw_stopped)
- start_xmit(info);
-
- return ret;
-} /* cy_write */
-
-/*
- * This routine is called by the kernel to write a single
- * character to the tty device. If the kernel uses this routine,
- * it must call the flush_chars() routine (if defined) when it is
- * done stuffing characters into the driver. If there is no room
- * in the queue, the character is ignored.
- */
-static int cy_put_char(struct tty_struct *tty, unsigned char ch)
-{
- struct cyclades_port *info = tty->driver_data;
- unsigned long flags;
-
-#ifdef CY_DEBUG_IO
- printk(KERN_DEBUG "cyc:cy_put_char ttyC%d\n", info->line);
-#endif
-
- if (serial_paranoia_check(info, tty->name, "cy_put_char"))
- return 0;
-
- if (!info->port.xmit_buf)
- return 0;
-
- spin_lock_irqsave(&info->card->card_lock, flags);
- if (info->xmit_cnt >= (int)(SERIAL_XMIT_SIZE - 1)) {
- spin_unlock_irqrestore(&info->card->card_lock, flags);
- return 0;
- }
-
- info->port.xmit_buf[info->xmit_head++] = ch;
- info->xmit_head &= SERIAL_XMIT_SIZE - 1;
- info->xmit_cnt++;
- info->idle_stats.xmit_bytes++;
- info->idle_stats.xmit_idle = jiffies;
- spin_unlock_irqrestore(&info->card->card_lock, flags);
- return 1;
-} /* cy_put_char */
-
-/*
- * This routine is called by the kernel after it has written a
- * series of characters to the tty device using put_char().
- */
-static void cy_flush_chars(struct tty_struct *tty)
-{
- struct cyclades_port *info = tty->driver_data;
-
-#ifdef CY_DEBUG_IO
- printk(KERN_DEBUG "cyc:cy_flush_chars ttyC%d\n", info->line);
-#endif
-
- if (serial_paranoia_check(info, tty->name, "cy_flush_chars"))
- return;
-
- if (info->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped ||
- !info->port.xmit_buf)
- return;
-
- start_xmit(info);
-} /* cy_flush_chars */
-
-/*
- * This routine returns the numbers of characters the tty driver
- * will accept for queuing to be written. This number is subject
- * to change as output buffers get emptied, or if the output flow
- * control is activated.
- */
-static int cy_write_room(struct tty_struct *tty)
-{
- struct cyclades_port *info = tty->driver_data;
- int ret;
-
-#ifdef CY_DEBUG_IO
- printk(KERN_DEBUG "cyc:cy_write_room ttyC%d\n", info->line);
-#endif
-
- if (serial_paranoia_check(info, tty->name, "cy_write_room"))
- return 0;
- ret = SERIAL_XMIT_SIZE - info->xmit_cnt - 1;
- if (ret < 0)
- ret = 0;
- return ret;
-} /* cy_write_room */
-
-static int cy_chars_in_buffer(struct tty_struct *tty)
-{
- struct cyclades_port *info = tty->driver_data;
-
- if (serial_paranoia_check(info, tty->name, "cy_chars_in_buffer"))
- return 0;
-
-#ifdef Z_EXT_CHARS_IN_BUFFER
- if (!cy_is_Z(info->card)) {
-#endif /* Z_EXT_CHARS_IN_BUFFER */
-#ifdef CY_DEBUG_IO
- printk(KERN_DEBUG "cyc:cy_chars_in_buffer ttyC%d %d\n",
- info->line, info->xmit_cnt);
-#endif
- return info->xmit_cnt;
-#ifdef Z_EXT_CHARS_IN_BUFFER
- } else {
- struct BUF_CTRL __iomem *buf_ctrl = info->u.cyz.buf_ctrl;
- int char_count;
- __u32 tx_put, tx_get, tx_bufsize;
-
- tx_get = readl(&buf_ctrl->tx_get);
- tx_put = readl(&buf_ctrl->tx_put);
- tx_bufsize = readl(&buf_ctrl->tx_bufsize);
- if (tx_put >= tx_get)
- char_count = tx_put - tx_get;
- else
- char_count = tx_put - tx_get + tx_bufsize;
-#ifdef CY_DEBUG_IO
- printk(KERN_DEBUG "cyc:cy_chars_in_buffer ttyC%d %d\n",
- info->line, info->xmit_cnt + char_count);
-#endif
- return info->xmit_cnt + char_count;
- }
-#endif /* Z_EXT_CHARS_IN_BUFFER */
-} /* cy_chars_in_buffer */
-
-/*
- * ------------------------------------------------------------
- * cy_ioctl() and friends
- * ------------------------------------------------------------
- */
-
-static void cyy_baud_calc(struct cyclades_port *info, __u32 baud)
-{
- int co, co_val, bpr;
- __u32 cy_clock = ((info->chip_rev >= CD1400_REV_J) ? 60000000 :
- 25000000);
-
- if (baud == 0) {
- info->tbpr = info->tco = info->rbpr = info->rco = 0;
- return;
- }
-
- /* determine which prescaler to use */
- for (co = 4, co_val = 2048; co; co--, co_val >>= 2) {
- if (cy_clock / co_val / baud > 63)
- break;
- }
-
- bpr = (cy_clock / co_val * 2 / baud + 1) / 2;
- if (bpr > 255)
- bpr = 255;
-
- info->tbpr = info->rbpr = bpr;
- info->tco = info->rco = co;
-}
-
-/*
- * This routine finds or computes the various line characteristics.
- * It used to be called config_setup
- */
-static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
-{
- struct cyclades_card *card;
- unsigned long flags;
- int channel;
- unsigned cflag, iflag;
- int baud, baud_rate = 0;
- int i;
-
- if (info->line == -1)
- return;
-
- cflag = tty->termios.c_cflag;
- iflag = tty->termios.c_iflag;
-
- card = info->card;
- channel = info->line - card->first_line;
-
- if (!cy_is_Z(card)) {
- u32 cflags;
-
- /* baud rate */
- baud = tty_get_baud_rate(tty);
- if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
- ASYNC_SPD_CUST) {
- if (info->custom_divisor)
- baud_rate = info->baud / info->custom_divisor;
- else
- baud_rate = info->baud;
- } else if (baud > CD1400_MAX_SPEED) {
- baud = CD1400_MAX_SPEED;
- }
- /* find the baud index */
- for (i = 0; i < 20; i++) {
- if (baud == baud_table[i])
- break;
- }
- if (i == 20)
- i = 19; /* CD1400_MAX_SPEED */
-
- if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
- ASYNC_SPD_CUST) {
- cyy_baud_calc(info, baud_rate);
- } else {
- if (info->chip_rev >= CD1400_REV_J) {
- /* It is a CD1400 rev. J or later */
- info->tbpr = baud_bpr_60[i]; /* Tx BPR */
- info->tco = baud_co_60[i]; /* Tx CO */
- info->rbpr = baud_bpr_60[i]; /* Rx BPR */
- info->rco = baud_co_60[i]; /* Rx CO */
- } else {
- info->tbpr = baud_bpr_25[i]; /* Tx BPR */
- info->tco = baud_co_25[i]; /* Tx CO */
- info->rbpr = baud_bpr_25[i]; /* Rx BPR */
- info->rco = baud_co_25[i]; /* Rx CO */
- }
- }
- if (baud_table[i] == 134) {
- /* get it right for 134.5 baud */
- info->timeout = (info->xmit_fifo_size * HZ * 30 / 269) +
- 2;
- } else if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
- ASYNC_SPD_CUST) {
- info->timeout = (info->xmit_fifo_size * HZ * 15 /
- baud_rate) + 2;
- } else if (baud_table[i]) {
- info->timeout = (info->xmit_fifo_size * HZ * 15 /
- baud_table[i]) + 2;
- /* this needs to be propagated into the card info */
- } else {
- info->timeout = 0;
- }
- /* By tradition (is it a standard?) a baud rate of zero
- implies the line should be/has been closed. A bit
- later in this routine such a test is performed. */
-
- /* byte size and parity */
- info->cor5 = 0;
- info->cor4 = 0;
- /* receive threshold */
- info->cor3 = (info->default_threshold ?
- info->default_threshold : baud_cor3[i]);
- info->cor2 = CyETC;
- switch (cflag & CSIZE) {
- case CS5:
- info->cor1 = Cy_5_BITS;
- break;
- case CS6:
- info->cor1 = Cy_6_BITS;
- break;
- case CS7:
- info->cor1 = Cy_7_BITS;
- break;
- case CS8:
- info->cor1 = Cy_8_BITS;
- break;
- }
- if (cflag & CSTOPB)
- info->cor1 |= Cy_2_STOP;
-
- if (cflag & PARENB) {
- if (cflag & PARODD)
- info->cor1 |= CyPARITY_O;
- else
- info->cor1 |= CyPARITY_E;
- } else
- info->cor1 |= CyPARITY_NONE;
-
- /* CTS flow control flag */
- tty_port_set_cts_flow(&info->port, cflag & CRTSCTS);
- if (cflag & CRTSCTS)
- info->cor2 |= CyCtsAE;
- else
- info->cor2 &= ~CyCtsAE;
- tty_port_set_check_carrier(&info->port, ~cflag & CLOCAL);
-
- /***********************************************
- The hardware option, CyRtsAO, presents RTS when
- the chip has characters to send. Since most modems
- use RTS as reverse (inbound) flow control, this
- option is not used. If inbound flow control is
- necessary, DTR can be programmed to provide the
- appropriate signals for use with a non-standard
- cable. Contact Marcio Saito for details.
- ***********************************************/
-
- channel &= 0x03;
-
- spin_lock_irqsave(&card->card_lock, flags);
- cyy_writeb(info, CyCAR, channel);
-
- /* tx and rx baud rate */
-
- cyy_writeb(info, CyTCOR, info->tco);
- cyy_writeb(info, CyTBPR, info->tbpr);
- cyy_writeb(info, CyRCOR, info->rco);
- cyy_writeb(info, CyRBPR, info->rbpr);
-
- /* set line characteristics according configuration */
-
- cyy_writeb(info, CySCHR1, START_CHAR(tty));
- cyy_writeb(info, CySCHR2, STOP_CHAR(tty));
- cyy_writeb(info, CyCOR1, info->cor1);
- cyy_writeb(info, CyCOR2, info->cor2);
- cyy_writeb(info, CyCOR3, info->cor3);
- cyy_writeb(info, CyCOR4, info->cor4);
- cyy_writeb(info, CyCOR5, info->cor5);
-
- cyy_issue_cmd(info, CyCOR_CHANGE | CyCOR1ch | CyCOR2ch |
- CyCOR3ch);
-
- /* !!! Is this needed? */
- cyy_writeb(info, CyCAR, channel);
- cyy_writeb(info, CyRTPR,
- (info->default_timeout ? info->default_timeout : 0x02));
- /* 10ms rx timeout */
-
- cflags = CyCTS;
- if (!C_CLOCAL(tty))
- cflags |= CyDSR | CyRI | CyDCD;
- /* without modem intr */
- cyy_writeb(info, CySRER, cyy_readb(info, CySRER) | CyMdmCh);
- /* act on 1->0 modem transitions */
- if ((cflag & CRTSCTS) && info->rflow)
- cyy_writeb(info, CyMCOR1, cflags | rflow_thr[i]);
- else
- cyy_writeb(info, CyMCOR1, cflags);
- /* act on 0->1 modem transitions */
- cyy_writeb(info, CyMCOR2, cflags);
-
- if (i == 0) /* baud rate is zero, turn off line */
- cyy_change_rts_dtr(info, 0, TIOCM_DTR);
- else
- cyy_change_rts_dtr(info, TIOCM_DTR, 0);
-
- clear_bit(TTY_IO_ERROR, &tty->flags);
- spin_unlock_irqrestore(&card->card_lock, flags);
-
- } else {
- struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
- __u32 sw_flow;
- int retval;
-
- if (!cyz_is_loaded(card))
- return;
-
- /* baud rate */
- baud = tty_get_baud_rate(tty);
- if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
- ASYNC_SPD_CUST) {
- if (info->custom_divisor)
- baud_rate = info->baud / info->custom_divisor;
- else
- baud_rate = info->baud;
- } else if (baud > CYZ_MAX_SPEED) {
- baud = CYZ_MAX_SPEED;
- }
- cy_writel(&ch_ctrl->comm_baud, baud);
-
- if (baud == 134) {
- /* get it right for 134.5 baud */
- info->timeout = (info->xmit_fifo_size * HZ * 30 / 269) +
- 2;
- } else if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
- ASYNC_SPD_CUST) {
- info->timeout = (info->xmit_fifo_size * HZ * 15 /
- baud_rate) + 2;
- } else if (baud) {
- info->timeout = (info->xmit_fifo_size * HZ * 15 /
- baud) + 2;
- /* this needs to be propagated into the card info */
- } else {
- info->timeout = 0;
- }
-
- /* byte size and parity */
- switch (cflag & CSIZE) {
- case CS5:
- cy_writel(&ch_ctrl->comm_data_l, C_DL_CS5);
- break;
- case CS6:
- cy_writel(&ch_ctrl->comm_data_l, C_DL_CS6);
- break;
- case CS7:
- cy_writel(&ch_ctrl->comm_data_l, C_DL_CS7);
- break;
- case CS8:
- cy_writel(&ch_ctrl->comm_data_l, C_DL_CS8);
- break;
- }
- if (cflag & CSTOPB) {
- cy_writel(&ch_ctrl->comm_data_l,
- readl(&ch_ctrl->comm_data_l) | C_DL_2STOP);
- } else {
- cy_writel(&ch_ctrl->comm_data_l,
- readl(&ch_ctrl->comm_data_l) | C_DL_1STOP);
- }
- if (cflag & PARENB) {
- if (cflag & PARODD)
- cy_writel(&ch_ctrl->comm_parity, C_PR_ODD);
- else
- cy_writel(&ch_ctrl->comm_parity, C_PR_EVEN);
- } else
- cy_writel(&ch_ctrl->comm_parity, C_PR_NONE);
-
- /* CTS flow control flag */
- if (cflag & CRTSCTS) {
- cy_writel(&ch_ctrl->hw_flow,
- readl(&ch_ctrl->hw_flow) | C_RS_CTS | C_RS_RTS);
- } else {
- cy_writel(&ch_ctrl->hw_flow, readl(&ch_ctrl->hw_flow) &
- ~(C_RS_CTS | C_RS_RTS));
- }
- /* As the HW flow control is done in firmware, the driver
- doesn't need to care about it */
- tty_port_set_cts_flow(&info->port, 0);
-
- /* XON/XOFF/XANY flow control flags */
- sw_flow = 0;
- if (iflag & IXON) {
- sw_flow |= C_FL_OXX;
- if (iflag & IXANY)
- sw_flow |= C_FL_OIXANY;
- }
- cy_writel(&ch_ctrl->sw_flow, sw_flow);
-
- retval = cyz_issue_cmd(card, channel, C_CM_IOCTL, 0L);
- if (retval != 0) {
- printk(KERN_ERR "cyc:set_line_char retval on ttyC%d "
- "was %x\n", info->line, retval);
- }
-
- /* CD sensitivity */
- tty_port_set_check_carrier(&info->port, ~cflag & CLOCAL);
-
- if (baud == 0) { /* baud rate is zero, turn off line */
- cy_writel(&ch_ctrl->rs_control,
- readl(&ch_ctrl->rs_control) & ~C_RS_DTR);
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:set_line_char dropping Z DTR\n");
-#endif
- } else {
- cy_writel(&ch_ctrl->rs_control,
- readl(&ch_ctrl->rs_control) | C_RS_DTR);
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:set_line_char raising Z DTR\n");
-#endif
- }
-
- retval = cyz_issue_cmd(card, channel, C_CM_IOCTLM, 0L);
- if (retval != 0) {
- printk(KERN_ERR "cyc:set_line_char(2) retval on ttyC%d "
- "was %x\n", info->line, retval);
- }
-
- clear_bit(TTY_IO_ERROR, &tty->flags);
- }
-} /* set_line_char */
-
-static int cy_get_serial_info(struct tty_struct *tty,
- struct serial_struct *ss)
-{
- struct cyclades_port *info = tty->driver_data;
- struct cyclades_card *cinfo = info->card;
-
- if (serial_paranoia_check(info, tty->name, "cy_ioctl"))
- return -ENODEV;
- ss->type = info->type;
- ss->line = info->line;
- ss->port = (info->card - cy_card) * 0x100 + info->line -
- cinfo->first_line;
- ss->irq = cinfo->irq;
- ss->flags = info->port.flags;
- ss->close_delay = info->port.close_delay;
- ss->closing_wait = info->port.closing_wait;
- ss->baud_base = info->baud;
- ss->custom_divisor = info->custom_divisor;
- return 0;
-}
-
-static int cy_set_serial_info(struct tty_struct *tty,
- struct serial_struct *ss)
-{
- struct cyclades_port *info = tty->driver_data;
- int old_flags;
- int ret;
-
- if (serial_paranoia_check(info, tty->name, "cy_ioctl"))
- return -ENODEV;
-
- mutex_lock(&info->port.mutex);
-
- old_flags = info->port.flags;
-
- if (!capable(CAP_SYS_ADMIN)) {
- if (ss->close_delay != info->port.close_delay ||
- ss->baud_base != info->baud ||
- (ss->flags & ASYNC_FLAGS &
- ~ASYNC_USR_MASK) !=
- (info->port.flags & ASYNC_FLAGS & ~ASYNC_USR_MASK))
- {
- mutex_unlock(&info->port.mutex);
- return -EPERM;
- }
- info->port.flags = (info->port.flags & ~ASYNC_USR_MASK) |
- (ss->flags & ASYNC_USR_MASK);
- info->baud = ss->baud_base;
- info->custom_divisor = ss->custom_divisor;
- goto check_and_exit;
- }
-
- /*
- * OK, past this point, all the error checking has been done.
- * At this point, we start making changes.....
- */
-
- info->baud = ss->baud_base;
- info->custom_divisor = ss->custom_divisor;
- info->port.flags = (info->port.flags & ~ASYNC_FLAGS) |
- (ss->flags & ASYNC_FLAGS);
- info->port.close_delay = ss->close_delay * HZ / 100;
- info->port.closing_wait = ss->closing_wait * HZ / 100;
-
-check_and_exit:
- if (tty_port_initialized(&info->port)) {
- if ((ss->flags ^ old_flags) & ASYNC_SPD_MASK) {
- /* warn about deprecation unless clearing */
- if (ss->flags & ASYNC_SPD_MASK)
- dev_warn_ratelimited(tty->dev, "use of SPD flags is deprecated\n");
- }
- cy_set_line_char(info, tty);
- ret = 0;
- } else {
- ret = cy_startup(info, tty);
- }
- mutex_unlock(&info->port.mutex);
- return ret;
-} /* set_serial_info */
-
-/*
- * get_lsr_info - get line status register info
- *
- * Purpose: Let user call ioctl() to get info when the UART physically
- * is emptied. On bus types like RS485, the transmitter must
- * release the bus after transmitting. This must be done when
- * the transmit shift register is empty, not be done when the
- * transmit holding register is empty. This functionality
- * allows an RS485 driver to be written in user space.
- */
-static int get_lsr_info(struct cyclades_port *info, unsigned int __user *value)
-{
- struct cyclades_card *card = info->card;
- unsigned int result;
- unsigned long flags;
- u8 status;
-
- if (!cy_is_Z(card)) {
- spin_lock_irqsave(&card->card_lock, flags);
- status = cyy_readb(info, CySRER) & (CyTxRdy | CyTxMpty);
- spin_unlock_irqrestore(&card->card_lock, flags);
- result = (status ? 0 : TIOCSER_TEMT);
- } else {
- /* Not supported yet */
- return -EINVAL;
- }
- return put_user(result, value);
-}
-
-static int cy_tiocmget(struct tty_struct *tty)
-{
- struct cyclades_port *info = tty->driver_data;
- struct cyclades_card *card;
- int result;
-
- if (serial_paranoia_check(info, tty->name, __func__))
- return -ENODEV;
-
- card = info->card;
-
- if (!cy_is_Z(card)) {
- unsigned long flags;
- int channel = info->line - card->first_line;
- u8 status;
-
- spin_lock_irqsave(&card->card_lock, flags);
- cyy_writeb(info, CyCAR, channel & 0x03);
- status = cyy_readb(info, CyMSVR1);
- status |= cyy_readb(info, CyMSVR2);
- spin_unlock_irqrestore(&card->card_lock, flags);
-
- if (info->rtsdtr_inv) {
- result = ((status & CyRTS) ? TIOCM_DTR : 0) |
- ((status & CyDTR) ? TIOCM_RTS : 0);
- } else {
- result = ((status & CyRTS) ? TIOCM_RTS : 0) |
- ((status & CyDTR) ? TIOCM_DTR : 0);
- }
- result |= ((status & CyDCD) ? TIOCM_CAR : 0) |
- ((status & CyRI) ? TIOCM_RNG : 0) |
- ((status & CyDSR) ? TIOCM_DSR : 0) |
- ((status & CyCTS) ? TIOCM_CTS : 0);
- } else {
- u32 lstatus;
-
- if (!cyz_is_loaded(card)) {
- result = -ENODEV;
- goto end;
- }
-
- lstatus = readl(&info->u.cyz.ch_ctrl->rs_status);
- result = ((lstatus & C_RS_RTS) ? TIOCM_RTS : 0) |
- ((lstatus & C_RS_DTR) ? TIOCM_DTR : 0) |
- ((lstatus & C_RS_DCD) ? TIOCM_CAR : 0) |
- ((lstatus & C_RS_RI) ? TIOCM_RNG : 0) |
- ((lstatus & C_RS_DSR) ? TIOCM_DSR : 0) |
- ((lstatus & C_RS_CTS) ? TIOCM_CTS : 0);
- }
-end:
- return result;
-} /* cy_tiomget */
-
-static int
-cy_tiocmset(struct tty_struct *tty,
- unsigned int set, unsigned int clear)
-{
- struct cyclades_port *info = tty->driver_data;
- struct cyclades_card *card;
- unsigned long flags;
-
- if (serial_paranoia_check(info, tty->name, __func__))
- return -ENODEV;
-
- card = info->card;
- if (!cy_is_Z(card)) {
- spin_lock_irqsave(&card->card_lock, flags);
- cyy_change_rts_dtr(info, set, clear);
- spin_unlock_irqrestore(&card->card_lock, flags);
- } else {
- struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
- int retval, channel = info->line - card->first_line;
- u32 rs;
-
- if (!cyz_is_loaded(card))
- return -ENODEV;
-
- spin_lock_irqsave(&card->card_lock, flags);
- rs = readl(&ch_ctrl->rs_control);
- if (set & TIOCM_RTS)
- rs |= C_RS_RTS;
- if (clear & TIOCM_RTS)
- rs &= ~C_RS_RTS;
- if (set & TIOCM_DTR) {
- rs |= C_RS_DTR;
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:set_modem_info raising Z DTR\n");
-#endif
- }
- if (clear & TIOCM_DTR) {
- rs &= ~C_RS_DTR;
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:set_modem_info clearing "
- "Z DTR\n");
-#endif
- }
- cy_writel(&ch_ctrl->rs_control, rs);
- retval = cyz_issue_cmd(card, channel, C_CM_IOCTLM, 0L);
- spin_unlock_irqrestore(&card->card_lock, flags);
- if (retval != 0) {
- printk(KERN_ERR "cyc:set_modem_info retval on ttyC%d "
- "was %x\n", info->line, retval);
- }
- }
- return 0;
-}
-
-/*
- * cy_break() --- routine which turns the break handling on or off
- */
-static int cy_break(struct tty_struct *tty, int break_state)
-{
- struct cyclades_port *info = tty->driver_data;
- struct cyclades_card *card;
- unsigned long flags;
- int retval = 0;
-
- if (serial_paranoia_check(info, tty->name, "cy_break"))
- return -EINVAL;
-
- card = info->card;
-
- spin_lock_irqsave(&card->card_lock, flags);
- if (!cy_is_Z(card)) {
- /* Let the transmit ISR take care of this (since it
- requires stuffing characters into the output stream).
- */
- if (break_state == -1) {
- if (!info->breakon) {
- info->breakon = 1;
- if (!info->xmit_cnt) {
- spin_unlock_irqrestore(&card->card_lock, flags);
- start_xmit(info);
- spin_lock_irqsave(&card->card_lock, flags);
- }
- }
- } else {
- if (!info->breakoff) {
- info->breakoff = 1;
- if (!info->xmit_cnt) {
- spin_unlock_irqrestore(&card->card_lock, flags);
- start_xmit(info);
- spin_lock_irqsave(&card->card_lock, flags);
- }
- }
- }
- } else {
- if (break_state == -1) {
- retval = cyz_issue_cmd(card,
- info->line - card->first_line,
- C_CM_SET_BREAK, 0L);
- if (retval != 0) {
- printk(KERN_ERR "cyc:cy_break (set) retval on "
- "ttyC%d was %x\n", info->line, retval);
- }
- } else {
- retval = cyz_issue_cmd(card,
- info->line - card->first_line,
- C_CM_CLR_BREAK, 0L);
- if (retval != 0) {
- printk(KERN_DEBUG "cyc:cy_break (clr) retval "
- "on ttyC%d was %x\n", info->line,
- retval);
- }
- }
- }
- spin_unlock_irqrestore(&card->card_lock, flags);
- return retval;
-} /* cy_break */
-
-static int set_threshold(struct cyclades_port *info, unsigned long value)
-{
- struct cyclades_card *card = info->card;
- unsigned long flags;
-
- if (!cy_is_Z(card)) {
- info->cor3 &= ~CyREC_FIFO;
- info->cor3 |= value & CyREC_FIFO;
-
- spin_lock_irqsave(&card->card_lock, flags);
- cyy_writeb(info, CyCOR3, info->cor3);
- cyy_issue_cmd(info, CyCOR_CHANGE | CyCOR3ch);
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
- return 0;
-} /* set_threshold */
-
-static int get_threshold(struct cyclades_port *info,
- unsigned long __user *value)
-{
- struct cyclades_card *card = info->card;
-
- if (!cy_is_Z(card)) {
- u8 tmp = cyy_readb(info, CyCOR3) & CyREC_FIFO;
- return put_user(tmp, value);
- }
- return 0;
-} /* get_threshold */
-
-static int set_timeout(struct cyclades_port *info, unsigned long value)
-{
- struct cyclades_card *card = info->card;
- unsigned long flags;
-
- if (!cy_is_Z(card)) {
- spin_lock_irqsave(&card->card_lock, flags);
- cyy_writeb(info, CyRTPR, value & 0xff);
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
- return 0;
-} /* set_timeout */
-
-static int get_timeout(struct cyclades_port *info,
- unsigned long __user *value)
-{
- struct cyclades_card *card = info->card;
-
- if (!cy_is_Z(card)) {
- u8 tmp = cyy_readb(info, CyRTPR);
- return put_user(tmp, value);
- }
- return 0;
-} /* get_timeout */
-
-static int cy_cflags_changed(struct cyclades_port *info, unsigned long arg,
- struct cyclades_icount *cprev)
-{
- struct cyclades_icount cnow;
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&info->card->card_lock, flags);
- cnow = info->icount; /* atomic copy */
- spin_unlock_irqrestore(&info->card->card_lock, flags);
-
- ret = ((arg & TIOCM_RNG) && (cnow.rng != cprev->rng)) ||
- ((arg & TIOCM_DSR) && (cnow.dsr != cprev->dsr)) ||
- ((arg & TIOCM_CD) && (cnow.dcd != cprev->dcd)) ||
- ((arg & TIOCM_CTS) && (cnow.cts != cprev->cts));
-
- *cprev = cnow;
-
- return ret;
-}
-
-/*
- * This routine allows the tty driver to implement device-
- * specific ioctl's. If the ioctl number passed in cmd is
- * not recognized by the driver, it should return ENOIOCTLCMD.
- */
-static int
-cy_ioctl(struct tty_struct *tty,
- unsigned int cmd, unsigned long arg)
-{
- struct cyclades_port *info = tty->driver_data;
- struct cyclades_icount cnow; /* kernel counter temps */
- int ret_val = 0;
- unsigned long flags;
- void __user *argp = (void __user *)arg;
-
- if (serial_paranoia_check(info, tty->name, "cy_ioctl"))
- return -ENODEV;
-
-#ifdef CY_DEBUG_OTHER
- printk(KERN_DEBUG "cyc:cy_ioctl ttyC%d, cmd = %x arg = %lx\n",
- info->line, cmd, arg);
-#endif
-
- switch (cmd) {
- case CYGETMON:
- if (copy_to_user(argp, &info->mon, sizeof(info->mon))) {
- ret_val = -EFAULT;
- break;
- }
- memset(&info->mon, 0, sizeof(info->mon));
- break;
- case CYGETTHRESH:
- ret_val = get_threshold(info, argp);
- break;
- case CYSETTHRESH:
- ret_val = set_threshold(info, arg);
- break;
- case CYGETDEFTHRESH:
- ret_val = put_user(info->default_threshold,
- (unsigned long __user *)argp);
- break;
- case CYSETDEFTHRESH:
- info->default_threshold = arg & 0x0f;
- break;
- case CYGETTIMEOUT:
- ret_val = get_timeout(info, argp);
- break;
- case CYSETTIMEOUT:
- ret_val = set_timeout(info, arg);
- break;
- case CYGETDEFTIMEOUT:
- ret_val = put_user(info->default_timeout,
- (unsigned long __user *)argp);
- break;
- case CYSETDEFTIMEOUT:
- info->default_timeout = arg & 0xff;
- break;
- case CYSETRFLOW:
- info->rflow = (int)arg;
- break;
- case CYGETRFLOW:
- ret_val = info->rflow;
- break;
- case CYSETRTSDTR_INV:
- info->rtsdtr_inv = (int)arg;
- break;
- case CYGETRTSDTR_INV:
- ret_val = info->rtsdtr_inv;
- break;
- case CYGETCD1400VER:
- ret_val = info->chip_rev;
- break;
-#ifndef CONFIG_CYZ_INTR
- case CYZSETPOLLCYCLE:
- if (arg > LONG_MAX / HZ)
- return -ENODEV;
- cyz_polling_cycle = (arg * HZ) / 1000;
- break;
- case CYZGETPOLLCYCLE:
- ret_val = (cyz_polling_cycle * 1000) / HZ;
- break;
-#endif /* CONFIG_CYZ_INTR */
- case CYSETWAIT:
- info->port.closing_wait = (unsigned short)arg * HZ / 100;
- break;
- case CYGETWAIT:
- ret_val = info->port.closing_wait / (HZ / 100);
- break;
- case TIOCSERGETLSR: /* Get line status register */
- ret_val = get_lsr_info(info, argp);
- break;
- /*
- * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
- * - mask passed in arg for lines of interest
- * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
- * Caller should use TIOCGICOUNT to see which one it was
- */
- case TIOCMIWAIT:
- spin_lock_irqsave(&info->card->card_lock, flags);
- /* note the counters on entry */
- cnow = info->icount;
- spin_unlock_irqrestore(&info->card->card_lock, flags);
- ret_val = wait_event_interruptible(info->port.delta_msr_wait,
- cy_cflags_changed(info, arg, &cnow));
- break;
-
- /*
- * Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
- * Return: write counters to the user passed counter struct
- * NB: both 1->0 and 0->1 transitions are counted except for
- * RI where only 0->1 is counted.
- */
- default:
- ret_val = -ENOIOCTLCMD;
- }
-
-#ifdef CY_DEBUG_OTHER
- printk(KERN_DEBUG "cyc:cy_ioctl done\n");
-#endif
- return ret_val;
-} /* cy_ioctl */
-
-static int cy_get_icount(struct tty_struct *tty,
- struct serial_icounter_struct *sic)
-{
- struct cyclades_port *info = tty->driver_data;
- struct cyclades_icount cnow; /* Used to snapshot */
- unsigned long flags;
-
- spin_lock_irqsave(&info->card->card_lock, flags);
- cnow = info->icount;
- spin_unlock_irqrestore(&info->card->card_lock, flags);
-
- sic->cts = cnow.cts;
- sic->dsr = cnow.dsr;
- sic->rng = cnow.rng;
- sic->dcd = cnow.dcd;
- sic->rx = cnow.rx;
- sic->tx = cnow.tx;
- sic->frame = cnow.frame;
- sic->overrun = cnow.overrun;
- sic->parity = cnow.parity;
- sic->brk = cnow.brk;
- sic->buf_overrun = cnow.buf_overrun;
- return 0;
-}
-
-/*
- * This routine allows the tty driver to be notified when
- * device's termios settings have changed. Note that a
- * well-designed tty driver should be prepared to accept the case
- * where old == NULL, and try to do something rational.
- */
-static void cy_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
-{
- struct cyclades_port *info = tty->driver_data;
-
-#ifdef CY_DEBUG_OTHER
- printk(KERN_DEBUG "cyc:cy_set_termios ttyC%d\n", info->line);
-#endif
-
- cy_set_line_char(info, tty);
-
- if ((old_termios->c_cflag & CRTSCTS) && !C_CRTSCTS(tty)) {
- tty->hw_stopped = 0;
- cy_start(tty);
- }
-#if 0
- /*
- * No need to wake up processes in open wait, since they
- * sample the CLOCAL flag once, and don't recheck it.
- * XXX It's not clear whether the current behavior is correct
- * or not. Hence, this may change.....
- */
- if (!(old_termios->c_cflag & CLOCAL) && C_CLOCAL(tty))
- wake_up_interruptible(&info->port.open_wait);
-#endif
-} /* cy_set_termios */
-
-/* This function is used to send a high-priority XON/XOFF character to
- the device.
-*/
-static void cy_send_xchar(struct tty_struct *tty, char ch)
-{
- struct cyclades_port *info = tty->driver_data;
- struct cyclades_card *card;
- int channel;
-
- if (serial_paranoia_check(info, tty->name, "cy_send_xchar"))
- return;
-
- info->x_char = ch;
-
- if (ch)
- cy_start(tty);
-
- card = info->card;
- channel = info->line - card->first_line;
-
- if (cy_is_Z(card)) {
- if (ch == STOP_CHAR(tty))
- cyz_issue_cmd(card, channel, C_CM_SENDXOFF, 0L);
- else if (ch == START_CHAR(tty))
- cyz_issue_cmd(card, channel, C_CM_SENDXON, 0L);
- }
-}
-
-/* This routine is called by the upper-layer tty layer to signal
- that incoming characters should be throttled because the input
- buffers are close to full.
- */
-static void cy_throttle(struct tty_struct *tty)
-{
- struct cyclades_port *info = tty->driver_data;
- struct cyclades_card *card;
- unsigned long flags;
-
-#ifdef CY_DEBUG_THROTTLE
- printk(KERN_DEBUG "cyc:throttle %s ...ttyC%d\n", tty_name(tty),
- info->line);
-#endif
-
- if (serial_paranoia_check(info, tty->name, "cy_throttle"))
- return;
-
- card = info->card;
-
- if (I_IXOFF(tty)) {
- if (!cy_is_Z(card))
- cy_send_xchar(tty, STOP_CHAR(tty));
- else
- info->throttle = 1;
- }
-
- if (C_CRTSCTS(tty)) {
- if (!cy_is_Z(card)) {
- spin_lock_irqsave(&card->card_lock, flags);
- cyy_change_rts_dtr(info, 0, TIOCM_RTS);
- spin_unlock_irqrestore(&card->card_lock, flags);
- } else {
- info->throttle = 1;
- }
- }
-} /* cy_throttle */
-
-/*
- * This routine notifies the tty driver that it should signal
- * that characters can now be sent to the tty without fear of
- * overrunning the input buffers of the line disciplines.
- */
-static void cy_unthrottle(struct tty_struct *tty)
-{
- struct cyclades_port *info = tty->driver_data;
- struct cyclades_card *card;
- unsigned long flags;
-
-#ifdef CY_DEBUG_THROTTLE
- printk(KERN_DEBUG "cyc:unthrottle %s ...ttyC%d\n",
- tty_name(tty), info->line);
-#endif
-
- if (serial_paranoia_check(info, tty->name, "cy_unthrottle"))
- return;
-
- if (I_IXOFF(tty)) {
- if (info->x_char)
- info->x_char = 0;
- else
- cy_send_xchar(tty, START_CHAR(tty));
- }
-
- if (C_CRTSCTS(tty)) {
- card = info->card;
- if (!cy_is_Z(card)) {
- spin_lock_irqsave(&card->card_lock, flags);
- cyy_change_rts_dtr(info, TIOCM_RTS, 0);
- spin_unlock_irqrestore(&card->card_lock, flags);
- } else {
- info->throttle = 0;
- }
- }
-} /* cy_unthrottle */
-
-/* cy_start and cy_stop provide software output flow control as a
- function of XON/XOFF, software CTS, and other such stuff.
-*/
-static void cy_stop(struct tty_struct *tty)
-{
- struct cyclades_card *cinfo;
- struct cyclades_port *info = tty->driver_data;
- int channel;
- unsigned long flags;
-
-#ifdef CY_DEBUG_OTHER
- printk(KERN_DEBUG "cyc:cy_stop ttyC%d\n", info->line);
-#endif
-
- if (serial_paranoia_check(info, tty->name, "cy_stop"))
- return;
-
- cinfo = info->card;
- channel = info->line - cinfo->first_line;
- if (!cy_is_Z(cinfo)) {
- spin_lock_irqsave(&cinfo->card_lock, flags);
- cyy_writeb(info, CyCAR, channel & 0x03);
- cyy_writeb(info, CySRER, cyy_readb(info, CySRER) & ~CyTxRdy);
- spin_unlock_irqrestore(&cinfo->card_lock, flags);
- }
-} /* cy_stop */
-
-static void cy_start(struct tty_struct *tty)
-{
- struct cyclades_card *cinfo;
- struct cyclades_port *info = tty->driver_data;
- int channel;
- unsigned long flags;
-
-#ifdef CY_DEBUG_OTHER
- printk(KERN_DEBUG "cyc:cy_start ttyC%d\n", info->line);
-#endif
-
- if (serial_paranoia_check(info, tty->name, "cy_start"))
- return;
-
- cinfo = info->card;
- channel = info->line - cinfo->first_line;
- if (!cy_is_Z(cinfo)) {
- spin_lock_irqsave(&cinfo->card_lock, flags);
- cyy_writeb(info, CyCAR, channel & 0x03);
- cyy_writeb(info, CySRER, cyy_readb(info, CySRER) | CyTxRdy);
- spin_unlock_irqrestore(&cinfo->card_lock, flags);
- }
-} /* cy_start */
-
-/*
- * cy_hangup() --- called by tty_hangup() when a hangup is signaled.
- */
-static void cy_hangup(struct tty_struct *tty)
-{
- struct cyclades_port *info = tty->driver_data;
-
-#ifdef CY_DEBUG_OTHER
- printk(KERN_DEBUG "cyc:cy_hangup ttyC%d\n", info->line);
-#endif
-
- if (serial_paranoia_check(info, tty->name, "cy_hangup"))
- return;
-
- cy_flush_buffer(tty);
- cy_shutdown(info, tty);
- tty_port_hangup(&info->port);
-} /* cy_hangup */
-
-static int cyy_carrier_raised(struct tty_port *port)
-{
- struct cyclades_port *info = container_of(port, struct cyclades_port,
- port);
- struct cyclades_card *cinfo = info->card;
- unsigned long flags;
- int channel = info->line - cinfo->first_line;
- u32 cd;
-
- spin_lock_irqsave(&cinfo->card_lock, flags);
- cyy_writeb(info, CyCAR, channel & 0x03);
- cd = cyy_readb(info, CyMSVR1) & CyDCD;
- spin_unlock_irqrestore(&cinfo->card_lock, flags);
-
- return cd;
-}
-
-static void cyy_dtr_rts(struct tty_port *port, int raise)
-{
- struct cyclades_port *info = container_of(port, struct cyclades_port,
- port);
- struct cyclades_card *cinfo = info->card;
- unsigned long flags;
-
- spin_lock_irqsave(&cinfo->card_lock, flags);
- cyy_change_rts_dtr(info, raise ? TIOCM_RTS | TIOCM_DTR : 0,
- raise ? 0 : TIOCM_RTS | TIOCM_DTR);
- spin_unlock_irqrestore(&cinfo->card_lock, flags);
-}
-
-static int cyz_carrier_raised(struct tty_port *port)
-{
- struct cyclades_port *info = container_of(port, struct cyclades_port,
- port);
-
- return readl(&info->u.cyz.ch_ctrl->rs_status) & C_RS_DCD;
-}
-
-static void cyz_dtr_rts(struct tty_port *port, int raise)
-{
- struct cyclades_port *info = container_of(port, struct cyclades_port,
- port);
- struct cyclades_card *cinfo = info->card;
- struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
- int ret, channel = info->line - cinfo->first_line;
- u32 rs;
-
- rs = readl(&ch_ctrl->rs_control);
- if (raise)
- rs |= C_RS_RTS | C_RS_DTR;
- else
- rs &= ~(C_RS_RTS | C_RS_DTR);
- cy_writel(&ch_ctrl->rs_control, rs);
- ret = cyz_issue_cmd(cinfo, channel, C_CM_IOCTLM, 0L);
- if (ret != 0)
- printk(KERN_ERR "%s: retval on ttyC%d was %x\n",
- __func__, info->line, ret);
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "%s: raising Z DTR\n", __func__);
-#endif
-}
-
-static const struct tty_port_operations cyy_port_ops = {
- .carrier_raised = cyy_carrier_raised,
- .dtr_rts = cyy_dtr_rts,
- .shutdown = cy_do_close,
-};
-
-static const struct tty_port_operations cyz_port_ops = {
- .carrier_raised = cyz_carrier_raised,
- .dtr_rts = cyz_dtr_rts,
- .shutdown = cy_do_close,
-};
-
-/*
- * ---------------------------------------------------------------------
- * cy_init() and friends
- *
- * cy_init() is called at boot-time to initialize the serial driver.
- * ---------------------------------------------------------------------
- */
-
-static int cy_init_card(struct cyclades_card *cinfo)
-{
- struct cyclades_port *info;
- unsigned int channel, port;
-
- spin_lock_init(&cinfo->card_lock);
- cinfo->intr_enabled = 0;
-
- cinfo->ports = kcalloc(cinfo->nports, sizeof(*cinfo->ports),
- GFP_KERNEL);
- if (cinfo->ports == NULL) {
- printk(KERN_ERR "Cyclades: cannot allocate ports\n");
- return -ENOMEM;
- }
-
- for (channel = 0, port = cinfo->first_line; channel < cinfo->nports;
- channel++, port++) {
- info = &cinfo->ports[channel];
- tty_port_init(&info->port);
- info->magic = CYCLADES_MAGIC;
- info->card = cinfo;
- info->line = port;
-
- info->port.closing_wait = CLOSING_WAIT_DELAY;
- info->port.close_delay = 5 * HZ / 10;
- init_completion(&info->shutdown_wait);
-
- if (cy_is_Z(cinfo)) {
- struct FIRM_ID *firm_id = cinfo->base_addr + ID_ADDRESS;
- struct ZFW_CTRL *zfw_ctrl;
-
- info->port.ops = &cyz_port_ops;
- info->type = PORT_STARTECH;
-
- zfw_ctrl = cinfo->base_addr +
- (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- info->u.cyz.ch_ctrl = &zfw_ctrl->ch_ctrl[channel];
- info->u.cyz.buf_ctrl = &zfw_ctrl->buf_ctrl[channel];
-
- if (cinfo->hw_ver == ZO_V1)
- info->xmit_fifo_size = CYZ_FIFO_SIZE;
- else
- info->xmit_fifo_size = 4 * CYZ_FIFO_SIZE;
-#ifdef CONFIG_CYZ_INTR
- timer_setup(&info->rx_full_timer, cyz_rx_restart, 0);
-#endif
- } else {
- unsigned short chip_number;
- int index = cinfo->bus_index;
-
- info->port.ops = &cyy_port_ops;
- info->type = PORT_CIRRUS;
- info->xmit_fifo_size = CyMAX_CHAR_FIFO;
- info->cor1 = CyPARITY_NONE | Cy_1_STOP | Cy_8_BITS;
- info->cor2 = CyETC;
- info->cor3 = 0x08; /* _very_ small rcv threshold */
-
- chip_number = channel / CyPORTS_PER_CHIP;
- info->u.cyy.base_addr = cinfo->base_addr +
- (cy_chip_offset[chip_number] << index);
- info->chip_rev = cyy_readb(info, CyGFRCR);
-
- if (info->chip_rev >= CD1400_REV_J) {
- /* It is a CD1400 rev. J or later */
- info->tbpr = baud_bpr_60[13]; /* Tx BPR */
- info->tco = baud_co_60[13]; /* Tx CO */
- info->rbpr = baud_bpr_60[13]; /* Rx BPR */
- info->rco = baud_co_60[13]; /* Rx CO */
- info->rtsdtr_inv = 1;
- } else {
- info->tbpr = baud_bpr_25[13]; /* Tx BPR */
- info->tco = baud_co_25[13]; /* Tx CO */
- info->rbpr = baud_bpr_25[13]; /* Rx BPR */
- info->rco = baud_co_25[13]; /* Rx CO */
- info->rtsdtr_inv = 0;
- }
- info->read_status_mask = CyTIMEOUT | CySPECHAR |
- CyBREAK | CyPARITY | CyFRAME | CyOVERRUN;
- }
-
- }
-
-#ifndef CONFIG_CYZ_INTR
- if (cy_is_Z(cinfo) && !timer_pending(&cyz_timerlist)) {
- mod_timer(&cyz_timerlist, jiffies + 1);
-#ifdef CY_PCI_DEBUG
- printk(KERN_DEBUG "Cyclades-Z polling initialized\n");
-#endif
- }
-#endif
- return 0;
-}
-
-/* initialize chips on Cyclom-Y card -- return number of valid
- chips (which is number of ports/4) */
-static unsigned short cyy_init_card(void __iomem *true_base_addr,
- int index)
-{
- unsigned int chip_number;
- void __iomem *base_addr;
-
- cy_writeb(true_base_addr + (Cy_HwReset << index), 0);
- /* Cy_HwReset is 0x1400 */
- cy_writeb(true_base_addr + (Cy_ClrIntr << index), 0);
- /* Cy_ClrIntr is 0x1800 */
- udelay(500L);
-
- for (chip_number = 0; chip_number < CyMAX_CHIPS_PER_CARD;
- chip_number++) {
- base_addr =
- true_base_addr + (cy_chip_offset[chip_number] << index);
- mdelay(1);
- if (readb(base_addr + (CyCCR << index)) != 0x00) {
- /*************
- printk(" chip #%d at %#6lx is never idle (CCR != 0)\n",
- chip_number, (unsigned long)base_addr);
- *************/
- return chip_number;
- }
-
- cy_writeb(base_addr + (CyGFRCR << index), 0);
- udelay(10L);
-
- /* The Cyclom-16Y does not decode address bit 9 and therefore
- cannot distinguish between references to chip 0 and a non-
- existent chip 4. If the preceding clearing of the supposed
- chip 4 GFRCR register appears at chip 0, there is no chip 4
- and this must be a Cyclom-16Y, not a Cyclom-32Ye.
- */
- if (chip_number == 4 && readb(true_base_addr +
- (cy_chip_offset[0] << index) +
- (CyGFRCR << index)) == 0) {
- return chip_number;
- }
-
- cy_writeb(base_addr + (CyCCR << index), CyCHIP_RESET);
- mdelay(1);
-
- if (readb(base_addr + (CyGFRCR << index)) == 0x00) {
- /*
- printk(" chip #%d at %#6lx is not responding ",
- chip_number, (unsigned long)base_addr);
- printk("(GFRCR stayed 0)\n",
- */
- return chip_number;
- }
- if ((0xf0 & (readb(base_addr + (CyGFRCR << index)))) !=
- 0x40) {
- /*
- printk(" chip #%d at %#6lx is not valid (GFRCR == "
- "%#2x)\n",
- chip_number, (unsigned long)base_addr,
- base_addr[CyGFRCR<<index]);
- */
- return chip_number;
- }
- cy_writeb(base_addr + (CyGCR << index), CyCH0_SERIAL);
- if (readb(base_addr + (CyGFRCR << index)) >= CD1400_REV_J) {
- /* It is a CD1400 rev. J or later */
- /* Impossible to reach 5ms with this chip.
- Changed to 2ms instead (f = 500 Hz). */
- cy_writeb(base_addr + (CyPPR << index), CyCLOCK_60_2MS);
- } else {
- /* f = 200 Hz */
- cy_writeb(base_addr + (CyPPR << index), CyCLOCK_25_5MS);
- }
-
- /*
- printk(" chip #%d at %#6lx is rev 0x%2x\n",
- chip_number, (unsigned long)base_addr,
- readb(base_addr+(CyGFRCR<<index)));
- */
- }
- return chip_number;
-} /* cyy_init_card */
-
-/*
- * ---------------------------------------------------------------------
- * cy_detect_isa() - Probe for Cyclom-Y/ISA boards.
- * sets global variables and return the number of ISA boards found.
- * ---------------------------------------------------------------------
- */
-static int __init cy_detect_isa(void)
-{
-#ifdef CONFIG_ISA
- struct cyclades_card *card;
- unsigned short cy_isa_irq, nboard;
- void __iomem *cy_isa_address;
- unsigned short i, j, k, cy_isa_nchan;
- int isparam = 0;
-
- nboard = 0;
-
- /* Check for module parameters */
- for (i = 0; i < NR_CARDS; i++) {
- if (maddr[i] || i) {
- isparam = 1;
- cy_isa_addresses[i] = maddr[i];
- }
- if (!maddr[i])
- break;
- }
-
- /* scan the address table probing for Cyclom-Y/ISA boards */
- for (i = 0; i < NR_ISA_ADDRS; i++) {
- unsigned int isa_address = cy_isa_addresses[i];
- if (isa_address == 0x0000)
- return nboard;
-
- /* probe for CD1400... */
- cy_isa_address = ioremap(isa_address, CyISA_Ywin);
- if (cy_isa_address == NULL) {
- printk(KERN_ERR "Cyclom-Y/ISA: can't remap base "
- "address\n");
- continue;
- }
- cy_isa_nchan = CyPORTS_PER_CHIP *
- cyy_init_card(cy_isa_address, 0);
- if (cy_isa_nchan == 0) {
- iounmap(cy_isa_address);
- continue;
- }
-
- if (isparam && i < NR_CARDS && irq[i])
- cy_isa_irq = irq[i];
- else
- /* find out the board's irq by probing */
- cy_isa_irq = detect_isa_irq(cy_isa_address);
- if (cy_isa_irq == 0) {
- printk(KERN_ERR "Cyclom-Y/ISA found at 0x%lx, but the "
- "IRQ could not be detected.\n",
- (unsigned long)cy_isa_address);
- iounmap(cy_isa_address);
- continue;
- }
-
- if ((cy_next_channel + cy_isa_nchan) > NR_PORTS) {
- printk(KERN_ERR "Cyclom-Y/ISA found at 0x%lx, but no "
- "more channels are available. Change NR_PORTS "
- "in cyclades.c and recompile kernel.\n",
- (unsigned long)cy_isa_address);
- iounmap(cy_isa_address);
- return nboard;
- }
- /* fill the next cy_card structure available */
- for (j = 0; j < NR_CARDS; j++) {
- card = &cy_card[j];
- if (card->base_addr == NULL)
- break;
- }
- if (j == NR_CARDS) { /* no more cy_cards available */
- printk(KERN_ERR "Cyclom-Y/ISA found at 0x%lx, but no "
- "more cards can be used. Change NR_CARDS in "
- "cyclades.c and recompile kernel.\n",
- (unsigned long)cy_isa_address);
- iounmap(cy_isa_address);
- return nboard;
- }
-
- /* allocate IRQ */
- if (request_irq(cy_isa_irq, cyy_interrupt,
- 0, "Cyclom-Y", card)) {
- printk(KERN_ERR "Cyclom-Y/ISA found at 0x%lx, but "
- "could not allocate IRQ#%d.\n",
- (unsigned long)cy_isa_address, cy_isa_irq);
- iounmap(cy_isa_address);
- return nboard;
- }
-
- /* set cy_card */
- card->base_addr = cy_isa_address;
- card->ctl_addr.p9050 = NULL;
- card->irq = (int)cy_isa_irq;
- card->bus_index = 0;
- card->first_line = cy_next_channel;
- card->num_chips = cy_isa_nchan / CyPORTS_PER_CHIP;
- card->nports = cy_isa_nchan;
- if (cy_init_card(card)) {
- card->base_addr = NULL;
- free_irq(cy_isa_irq, card);
- iounmap(cy_isa_address);
- continue;
- }
- nboard++;
-
- printk(KERN_INFO "Cyclom-Y/ISA #%d: 0x%lx-0x%lx, IRQ%d found: "
- "%d channels starting from port %d\n",
- j + 1, (unsigned long)cy_isa_address,
- (unsigned long)(cy_isa_address + (CyISA_Ywin - 1)),
- cy_isa_irq, cy_isa_nchan, cy_next_channel);
-
- for (k = 0, j = cy_next_channel;
- j < cy_next_channel + cy_isa_nchan; j++, k++)
- tty_port_register_device(&card->ports[k].port,
- cy_serial_driver, j, NULL);
- cy_next_channel += cy_isa_nchan;
- }
- return nboard;
-#else
- return 0;
-#endif /* CONFIG_ISA */
-} /* cy_detect_isa */
-
-#ifdef CONFIG_PCI
-static inline int cyc_isfwstr(const char *str, unsigned int size)
-{
- unsigned int a;
-
- for (a = 0; a < size && *str; a++, str++)
- if (*str & 0x80)
- return -EINVAL;
-
- for (; a < size; a++, str++)
- if (*str)
- return -EINVAL;
-
- return 0;
-}
-
-static inline void cyz_fpga_copy(void __iomem *fpga, const u8 *data,
- unsigned int size)
-{
- for (; size > 0; size--) {
- cy_writel(fpga, *data++);
- udelay(10);
- }
-}
-
-static void plx_init(struct pci_dev *pdev, int irq,
- struct RUNTIME_9060 __iomem *addr)
-{
- /* Reset PLX */
- cy_writel(&addr->init_ctrl, readl(&addr->init_ctrl) | 0x40000000);
- udelay(100L);
- cy_writel(&addr->init_ctrl, readl(&addr->init_ctrl) & ~0x40000000);
-
- /* Reload Config. Registers from EEPROM */
- cy_writel(&addr->init_ctrl, readl(&addr->init_ctrl) | 0x20000000);
- udelay(100L);
- cy_writel(&addr->init_ctrl, readl(&addr->init_ctrl) & ~0x20000000);
-
- /* For some yet unknown reason, once the PLX9060 reloads the EEPROM,
- * the IRQ is lost and, thus, we have to re-write it to the PCI config.
- * registers. This will remain here until we find a permanent fix.
- */
- pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, irq);
-}
-
-static int __cyz_load_fw(const struct firmware *fw,
- const char *name, const u32 mailbox, void __iomem *base,
- void __iomem *fpga)
-{
- const void *ptr = fw->data;
- const struct zfile_header *h = ptr;
- const struct zfile_config *c, *cs;
- const struct zfile_block *b, *bs;
- unsigned int a, tmp, len = fw->size;
-#define BAD_FW KERN_ERR "Bad firmware: "
- if (len < sizeof(*h)) {
- printk(BAD_FW "too short: %u<%zu\n", len, sizeof(*h));
- return -EINVAL;
- }
-
- cs = ptr + h->config_offset;
- bs = ptr + h->block_offset;
-
- if ((void *)(cs + h->n_config) > ptr + len ||
- (void *)(bs + h->n_blocks) > ptr + len) {
- printk(BAD_FW "too short");
- return -EINVAL;
- }
-
- if (cyc_isfwstr(h->name, sizeof(h->name)) ||
- cyc_isfwstr(h->date, sizeof(h->date))) {
- printk(BAD_FW "bad formatted header string\n");
- return -EINVAL;
- }
-
- if (strncmp(name, h->name, sizeof(h->name))) {
- printk(BAD_FW "bad name '%s' (expected '%s')\n", h->name, name);
- return -EINVAL;
- }
-
- tmp = 0;
- for (c = cs; c < cs + h->n_config; c++) {
- for (a = 0; a < c->n_blocks; a++)
- if (c->block_list[a] > h->n_blocks) {
- printk(BAD_FW "bad block ref number in cfgs\n");
- return -EINVAL;
- }
- if (c->mailbox == mailbox && c->function == 0) /* 0 is normal */
- tmp++;
- }
- if (!tmp) {
- printk(BAD_FW "nothing appropriate\n");
- return -EINVAL;
- }
-
- for (b = bs; b < bs + h->n_blocks; b++)
- if (b->file_offset + b->size > len) {
- printk(BAD_FW "bad block data offset\n");
- return -EINVAL;
- }
-
- /* everything is OK, let's seek'n'load it */
- for (c = cs; c < cs + h->n_config; c++)
- if (c->mailbox == mailbox && c->function == 0)
- break;
-
- for (a = 0; a < c->n_blocks; a++) {
- b = &bs[c->block_list[a]];
- if (b->type == ZBLOCK_FPGA) {
- if (fpga != NULL)
- cyz_fpga_copy(fpga, ptr + b->file_offset,
- b->size);
- } else {
- if (base != NULL)
- memcpy_toio(base + b->ram_offset,
- ptr + b->file_offset, b->size);
- }
- }
-#undef BAD_FW
- return 0;
-}
-
-static int cyz_load_fw(struct pci_dev *pdev, void __iomem *base_addr,
- struct RUNTIME_9060 __iomem *ctl_addr, int irq)
-{
- const struct firmware *fw;
- struct FIRM_ID __iomem *fid = base_addr + ID_ADDRESS;
- struct CUSTOM_REG __iomem *cust = base_addr;
- struct ZFW_CTRL __iomem *pt_zfwctrl;
- void __iomem *tmp;
- u32 mailbox, status, nchan;
- unsigned int i;
- int retval;
-
- retval = request_firmware(&fw, "cyzfirm.bin", &pdev->dev);
- if (retval) {
- dev_err(&pdev->dev, "can't get firmware\n");
- goto err;
- }
-
- /* Check whether the firmware is already loaded and running. If
- positive, skip this board */
- if (__cyz_fpga_loaded(ctl_addr) && readl(&fid->signature) == ZFIRM_ID) {
- u32 cntval = readl(base_addr + 0x190);
-
- udelay(100);
- if (cntval != readl(base_addr + 0x190)) {
- /* FW counter is working, FW is running */
- dev_dbg(&pdev->dev, "Cyclades-Z FW already loaded. "
- "Skipping board.\n");
- retval = 0;
- goto err_rel;
- }
- }
-
- /* start boot */
- cy_writel(&ctl_addr->intr_ctrl_stat, readl(&ctl_addr->intr_ctrl_stat) &
- ~0x00030800UL);
-
- mailbox = readl(&ctl_addr->mail_box_0);
-
- if (mailbox == 0 || __cyz_fpga_loaded(ctl_addr)) {
- /* stops CPU and set window to beginning of RAM */
- cy_writel(&ctl_addr->loc_addr_base, WIN_CREG);
- cy_writel(&cust->cpu_stop, 0);
- cy_writel(&ctl_addr->loc_addr_base, WIN_RAM);
- udelay(100);
- }
-
- plx_init(pdev, irq, ctl_addr);
-
- if (mailbox != 0) {
- /* load FPGA */
- retval = __cyz_load_fw(fw, "Cyclom-Z", mailbox, NULL,
- base_addr);
- if (retval)
- goto err_rel;
- if (!__cyz_fpga_loaded(ctl_addr)) {
- dev_err(&pdev->dev, "fw upload successful, but fw is "
- "not loaded\n");
- goto err_rel;
- }
- }
-
- /* stops CPU and set window to beginning of RAM */
- cy_writel(&ctl_addr->loc_addr_base, WIN_CREG);
- cy_writel(&cust->cpu_stop, 0);
- cy_writel(&ctl_addr->loc_addr_base, WIN_RAM);
- udelay(100);
-
- /* clear memory */
- for (tmp = base_addr; tmp < base_addr + RAM_SIZE; tmp++)
- cy_writeb(tmp, 255);
- if (mailbox != 0) {
- /* set window to last 512K of RAM */
- cy_writel(&ctl_addr->loc_addr_base, WIN_RAM + RAM_SIZE);
- for (tmp = base_addr; tmp < base_addr + RAM_SIZE; tmp++)
- cy_writeb(tmp, 255);
- /* set window to beginning of RAM */
- cy_writel(&ctl_addr->loc_addr_base, WIN_RAM);
- }
-
- retval = __cyz_load_fw(fw, "Cyclom-Z", mailbox, base_addr, NULL);
- release_firmware(fw);
- if (retval)
- goto err;
-
- /* finish boot and start boards */
- cy_writel(&ctl_addr->loc_addr_base, WIN_CREG);
- cy_writel(&cust->cpu_start, 0);
- cy_writel(&ctl_addr->loc_addr_base, WIN_RAM);
- i = 0;
- while ((status = readl(&fid->signature)) != ZFIRM_ID && i++ < 40)
- msleep(100);
- if (status != ZFIRM_ID) {
- if (status == ZFIRM_HLT) {
- dev_err(&pdev->dev, "you need an external power supply "
- "for this number of ports. Firmware halted and "
- "board reset.\n");
- retval = -EIO;
- goto err;
- }
- dev_warn(&pdev->dev, "fid->signature = 0x%x... Waiting "
- "some more time\n", status);
- while ((status = readl(&fid->signature)) != ZFIRM_ID &&
- i++ < 200)
- msleep(100);
- if (status != ZFIRM_ID) {
- dev_err(&pdev->dev, "Board not started in 20 seconds! "
- "Giving up. (fid->signature = 0x%x)\n",
- status);
- dev_info(&pdev->dev, "*** Warning ***: if you are "
- "upgrading the FW, please power cycle the "
- "system before loading the new FW to the "
- "Cyclades-Z.\n");
-
- if (__cyz_fpga_loaded(ctl_addr))
- plx_init(pdev, irq, ctl_addr);
-
- retval = -EIO;
- goto err;
- }
- dev_dbg(&pdev->dev, "Firmware started after %d seconds.\n",
- i / 10);
- }
- pt_zfwctrl = base_addr + readl(&fid->zfwctrl_addr);
-
- dev_dbg(&pdev->dev, "fid=> %p, zfwctrl_addr=> %x, npt_zfwctrl=> %p\n",
- base_addr + ID_ADDRESS, readl(&fid->zfwctrl_addr),
- base_addr + readl(&fid->zfwctrl_addr));
-
- nchan = readl(&pt_zfwctrl->board_ctrl.n_channel);
- dev_info(&pdev->dev, "Cyclades-Z FW loaded: version = %x, ports = %u\n",
- readl(&pt_zfwctrl->board_ctrl.fw_version), nchan);
-
- if (nchan == 0) {
- dev_warn(&pdev->dev, "no Cyclades-Z ports were found. Please "
- "check the connection between the Z host card and the "
- "serial expanders.\n");
-
- if (__cyz_fpga_loaded(ctl_addr))
- plx_init(pdev, irq, ctl_addr);
-
- dev_info(&pdev->dev, "Null number of ports detected. Board "
- "reset.\n");
- retval = 0;
- goto err;
- }
-
- cy_writel(&pt_zfwctrl->board_ctrl.op_system, C_OS_LINUX);
- cy_writel(&pt_zfwctrl->board_ctrl.dr_version, DRIVER_VERSION);
-
- /*
- Early firmware failed to start looking for commands.
- This enables firmware interrupts for those commands.
- */
- cy_writel(&ctl_addr->intr_ctrl_stat, readl(&ctl_addr->intr_ctrl_stat) |
- (1 << 17));
- cy_writel(&ctl_addr->intr_ctrl_stat, readl(&ctl_addr->intr_ctrl_stat) |
- 0x00030800UL);
-
- return nchan;
-err_rel:
- release_firmware(fw);
-err:
- return retval;
-}
-
-static int cy_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent)
-{
- struct cyclades_card *card;
- void __iomem *addr0 = NULL, *addr2 = NULL;
- char *card_name = NULL;
- u32 mailbox;
- unsigned int device_id, nchan = 0, card_no, i, j;
- unsigned char plx_ver;
- int retval, irq;
-
- retval = pci_enable_device(pdev);
- if (retval) {
- dev_err(&pdev->dev, "cannot enable device\n");
- goto err;
- }
-
- /* read PCI configuration area */
- irq = pdev->irq;
- device_id = pdev->device & ~PCI_DEVICE_ID_MASK;
-
-#if defined(__alpha__)
- if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo) { /* below 1M? */
- dev_err(&pdev->dev, "Cyclom-Y/PCI not supported for low "
- "addresses on Alpha systems.\n");
- retval = -EIO;
- goto err_dis;
- }
-#endif
- if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Lo) {
- dev_err(&pdev->dev, "Cyclades-Z/PCI not supported for low "
- "addresses\n");
- retval = -EIO;
- goto err_dis;
- }
-
- if (pci_resource_flags(pdev, 2) & IORESOURCE_IO) {
- dev_warn(&pdev->dev, "PCI I/O bit incorrectly set. Ignoring "
- "it...\n");
- pdev->resource[2].flags &= ~IORESOURCE_IO;
- }
-
- retval = pci_request_regions(pdev, "cyclades");
- if (retval) {
- dev_err(&pdev->dev, "failed to reserve resources\n");
- goto err_dis;
- }
-
- retval = -EIO;
- if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo ||
- device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) {
- card_name = "Cyclom-Y";
-
- addr0 = ioremap(pci_resource_start(pdev, 0),
- CyPCI_Yctl);
- if (addr0 == NULL) {
- dev_err(&pdev->dev, "can't remap ctl region\n");
- goto err_reg;
- }
- addr2 = ioremap(pci_resource_start(pdev, 2),
- CyPCI_Ywin);
- if (addr2 == NULL) {
- dev_err(&pdev->dev, "can't remap base region\n");
- goto err_unmap;
- }
-
- nchan = CyPORTS_PER_CHIP * cyy_init_card(addr2, 1);
- if (nchan == 0) {
- dev_err(&pdev->dev, "Cyclom-Y PCI host card with no "
- "Serial-Modules\n");
- goto err_unmap;
- }
- } else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Hi) {
- struct RUNTIME_9060 __iomem *ctl_addr;
-
- ctl_addr = addr0 = ioremap(pci_resource_start(pdev, 0),
- CyPCI_Zctl);
- if (addr0 == NULL) {
- dev_err(&pdev->dev, "can't remap ctl region\n");
- goto err_reg;
- }
-
- /* Disable interrupts on the PLX before resetting it */
- cy_writew(&ctl_addr->intr_ctrl_stat,
- readw(&ctl_addr->intr_ctrl_stat) & ~0x0900);
-
- plx_init(pdev, irq, addr0);
-
- mailbox = readl(&ctl_addr->mail_box_0);
-
- addr2 = ioremap(pci_resource_start(pdev, 2),
- mailbox == ZE_V1 ? CyPCI_Ze_win : CyPCI_Zwin);
- if (addr2 == NULL) {
- dev_err(&pdev->dev, "can't remap base region\n");
- goto err_unmap;
- }
-
- if (mailbox == ZE_V1) {
- card_name = "Cyclades-Ze";
- } else {
- card_name = "Cyclades-8Zo";
-#ifdef CY_PCI_DEBUG
- if (mailbox == ZO_V1) {
- cy_writel(&ctl_addr->loc_addr_base, WIN_CREG);
- dev_info(&pdev->dev, "Cyclades-8Zo/PCI: FPGA "
- "id %lx, ver %lx\n", (ulong)(0xff &
- readl(&((struct CUSTOM_REG *)addr2)->
- fpga_id)), (ulong)(0xff &
- readl(&((struct CUSTOM_REG *)addr2)->
- fpga_version)));
- cy_writel(&ctl_addr->loc_addr_base, WIN_RAM);
- } else {
- dev_info(&pdev->dev, "Cyclades-Z/PCI: New "
- "Cyclades-Z board. FPGA not loaded\n");
- }
-#endif
- /* The following clears the firmware id word. This
- ensures that the driver will not attempt to talk to
- the board until it has been properly initialized.
- */
- if ((mailbox == ZO_V1) || (mailbox == ZO_V2))
- cy_writel(addr2 + ID_ADDRESS, 0L);
- }
-
- retval = cyz_load_fw(pdev, addr2, addr0, irq);
- if (retval <= 0)
- goto err_unmap;
- nchan = retval;
- }
-
- if ((cy_next_channel + nchan) > NR_PORTS) {
- dev_err(&pdev->dev, "Cyclades-8Zo/PCI found, but no "
- "channels are available. Change NR_PORTS in "
- "cyclades.c and recompile kernel.\n");
- goto err_unmap;
- }
- /* fill the next cy_card structure available */
- for (card_no = 0; card_no < NR_CARDS; card_no++) {
- card = &cy_card[card_no];
- if (card->base_addr == NULL)
- break;
- }
- if (card_no == NR_CARDS) { /* no more cy_cards available */
- dev_err(&pdev->dev, "Cyclades-8Zo/PCI found, but no "
- "more cards can be used. Change NR_CARDS in "
- "cyclades.c and recompile kernel.\n");
- goto err_unmap;
- }
-
- if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo ||
- device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) {
- /* allocate IRQ */
- retval = request_irq(irq, cyy_interrupt,
- IRQF_SHARED, "Cyclom-Y", card);
- if (retval) {
- dev_err(&pdev->dev, "could not allocate IRQ\n");
- goto err_unmap;
- }
- card->num_chips = nchan / CyPORTS_PER_CHIP;
- } else {
- struct FIRM_ID __iomem *firm_id = addr2 + ID_ADDRESS;
- struct ZFW_CTRL __iomem *zfw_ctrl;
-
- zfw_ctrl = addr2 + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
-
- card->hw_ver = mailbox;
- card->num_chips = (unsigned int)-1;
- card->board_ctrl = &zfw_ctrl->board_ctrl;
-#ifdef CONFIG_CYZ_INTR
- /* allocate IRQ only if board has an IRQ */
- if (irq != 0 && irq != 255) {
- retval = request_irq(irq, cyz_interrupt,
- IRQF_SHARED, "Cyclades-Z", card);
- if (retval) {
- dev_err(&pdev->dev, "could not allocate IRQ\n");
- goto err_unmap;
- }
- }
-#endif /* CONFIG_CYZ_INTR */
- }
-
- /* set cy_card */
- card->base_addr = addr2;
- card->ctl_addr.p9050 = addr0;
- card->irq = irq;
- card->bus_index = 1;
- card->first_line = cy_next_channel;
- card->nports = nchan;
- retval = cy_init_card(card);
- if (retval)
- goto err_null;
-
- pci_set_drvdata(pdev, card);
-
- if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo ||
- device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) {
- /* enable interrupts in the PCI interface */
- plx_ver = readb(addr2 + CyPLX_VER) & 0x0f;
- switch (plx_ver) {
- case PLX_9050:
- cy_writeb(addr0 + 0x4c, 0x43);
- break;
-
- case PLX_9060:
- case PLX_9080:
- default: /* Old boards, use PLX_9060 */
- {
- struct RUNTIME_9060 __iomem *ctl_addr = addr0;
- plx_init(pdev, irq, ctl_addr);
- cy_writew(&ctl_addr->intr_ctrl_stat,
- readw(&ctl_addr->intr_ctrl_stat) | 0x0900);
- break;
- }
- }
- }
-
- dev_info(&pdev->dev, "%s/PCI #%d found: %d channels starting from "
- "port %d.\n", card_name, card_no + 1, nchan, cy_next_channel);
- for (j = 0, i = cy_next_channel; i < cy_next_channel + nchan; i++, j++)
- tty_port_register_device(&card->ports[j].port,
- cy_serial_driver, i, &pdev->dev);
- cy_next_channel += nchan;
-
- return 0;
-err_null:
- card->base_addr = NULL;
- free_irq(irq, card);
-err_unmap:
- iounmap(addr0);
- if (addr2)
- iounmap(addr2);
-err_reg:
- pci_release_regions(pdev);
-err_dis:
- pci_disable_device(pdev);
-err:
- return retval;
-}
-
-static void cy_pci_remove(struct pci_dev *pdev)
-{
- struct cyclades_card *cinfo = pci_get_drvdata(pdev);
- unsigned int i, channel;
-
- /* non-Z with old PLX */
- if (!cy_is_Z(cinfo) && (readb(cinfo->base_addr + CyPLX_VER) & 0x0f) ==
- PLX_9050)
- cy_writeb(cinfo->ctl_addr.p9050 + 0x4c, 0);
- else
-#ifndef CONFIG_CYZ_INTR
- if (!cy_is_Z(cinfo))
-#endif
- cy_writew(&cinfo->ctl_addr.p9060->intr_ctrl_stat,
- readw(&cinfo->ctl_addr.p9060->intr_ctrl_stat) &
- ~0x0900);
-
- iounmap(cinfo->base_addr);
- if (cinfo->ctl_addr.p9050)
- iounmap(cinfo->ctl_addr.p9050);
- if (cinfo->irq
-#ifndef CONFIG_CYZ_INTR
- && !cy_is_Z(cinfo)
-#endif /* CONFIG_CYZ_INTR */
- )
- free_irq(cinfo->irq, cinfo);
- pci_release_regions(pdev);
-
- cinfo->base_addr = NULL;
- for (channel = 0, i = cinfo->first_line; i < cinfo->first_line +
- cinfo->nports; i++, channel++) {
- tty_unregister_device(cy_serial_driver, i);
- tty_port_destroy(&cinfo->ports[channel].port);
- }
- cinfo->nports = 0;
- kfree(cinfo->ports);
-}
-
-static struct pci_driver cy_pci_driver = {
- .name = "cyclades",
- .id_table = cy_pci_dev_id,
- .probe = cy_pci_probe,
- .remove = cy_pci_remove
-};
-#endif
-
-static int cyclades_proc_show(struct seq_file *m, void *v)
-{
- struct cyclades_port *info;
- unsigned int i, j;
- __u32 cur_jifs = jiffies;
-
- seq_puts(m, "Dev TimeOpen BytesOut IdleOut BytesIn "
- "IdleIn Overruns Ldisc\n");
-
- /* Output one line for each known port */
- for (i = 0; i < NR_CARDS; i++)
- for (j = 0; j < cy_card[i].nports; j++) {
- info = &cy_card[i].ports[j];
-
- if (info->port.count) {
- /* XXX is the ldisc num worth this? */
- struct tty_struct *tty;
- struct tty_ldisc *ld;
- int num = 0;
- tty = tty_port_tty_get(&info->port);
- if (tty) {
- ld = tty_ldisc_ref(tty);
- if (ld) {
- num = ld->ops->num;
- tty_ldisc_deref(ld);
- }
- tty_kref_put(tty);
- }
- seq_printf(m, "%3d %8lu %10lu %8lu "
- "%10lu %8lu %9lu %6d\n", info->line,
- (cur_jifs - info->idle_stats.in_use) /
- HZ, info->idle_stats.xmit_bytes,
- (cur_jifs - info->idle_stats.xmit_idle)/
- HZ, info->idle_stats.recv_bytes,
- (cur_jifs - info->idle_stats.recv_idle)/
- HZ, info->idle_stats.overruns,
- num);
- } else
- seq_printf(m, "%3d %8lu %10lu %8lu "
- "%10lu %8lu %9lu %6ld\n",
- info->line, 0L, 0L, 0L, 0L, 0L, 0L, 0L);
- }
- return 0;
-}
-
-/* The serial driver boot-time initialization code!
- Hardware I/O ports are mapped to character special devices on a
- first found, first allocated manner. That is, this code searches
- for Cyclom cards in the system. As each is found, it is probed
- to discover how many chips (and thus how many ports) are present.
- These ports are mapped to the tty ports 32 and upward in monotonic
- fashion. If an 8-port card is replaced with a 16-port card, the
- port mapping on a following card will shift.
-
- This approach is different from what is used in the other serial
- device driver because the Cyclom is more properly a multiplexer,
- not just an aggregation of serial ports on one card.
-
- If there are more cards with more ports than have been
- statically allocated above, a warning is printed and the
- extra ports are ignored.
- */
-
-static const struct tty_operations cy_ops = {
- .open = cy_open,
- .close = cy_close,
- .write = cy_write,
- .put_char = cy_put_char,
- .flush_chars = cy_flush_chars,
- .write_room = cy_write_room,
- .chars_in_buffer = cy_chars_in_buffer,
- .flush_buffer = cy_flush_buffer,
- .ioctl = cy_ioctl,
- .throttle = cy_throttle,
- .unthrottle = cy_unthrottle,
- .set_termios = cy_set_termios,
- .stop = cy_stop,
- .start = cy_start,
- .hangup = cy_hangup,
- .break_ctl = cy_break,
- .wait_until_sent = cy_wait_until_sent,
- .tiocmget = cy_tiocmget,
- .tiocmset = cy_tiocmset,
- .get_icount = cy_get_icount,
- .set_serial = cy_set_serial_info,
- .get_serial = cy_get_serial_info,
- .proc_show = cyclades_proc_show,
-};
-
-static int __init cy_init(void)
-{
- unsigned int nboards;
- int retval = -ENOMEM;
-
- cy_serial_driver = alloc_tty_driver(NR_PORTS);
- if (!cy_serial_driver)
- goto err;
-
- printk(KERN_INFO "Cyclades driver " CY_VERSION "\n");
-
- /* Initialize the tty_driver structure */
-
- cy_serial_driver->driver_name = "cyclades";
- cy_serial_driver->name = "ttyC";
- cy_serial_driver->major = CYCLADES_MAJOR;
- cy_serial_driver->minor_start = 0;
- cy_serial_driver->type = TTY_DRIVER_TYPE_SERIAL;
- cy_serial_driver->subtype = SERIAL_TYPE_NORMAL;
- cy_serial_driver->init_termios = tty_std_termios;
- cy_serial_driver->init_termios.c_cflag =
- B9600 | CS8 | CREAD | HUPCL | CLOCAL;
- cy_serial_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
- tty_set_operations(cy_serial_driver, &cy_ops);
-
- retval = tty_register_driver(cy_serial_driver);
- if (retval) {
- printk(KERN_ERR "Couldn't register Cyclades serial driver\n");
- goto err_frtty;
- }
-
- /* the code below is responsible to find the boards. Each different
- type of board has its own detection routine. If a board is found,
- the next cy_card structure available is set by the detection
- routine. These functions are responsible for checking the
- availability of cy_card and cy_port data structures and updating
- the cy_next_channel. */
-
- /* look for isa boards */
- nboards = cy_detect_isa();
-
-#ifdef CONFIG_PCI
- /* look for pci boards */
- retval = pci_register_driver(&cy_pci_driver);
- if (retval && !nboards) {
- tty_unregister_driver(cy_serial_driver);
- goto err_frtty;
- }
-#endif
-
- return 0;
-err_frtty:
- put_tty_driver(cy_serial_driver);
-err:
- return retval;
-} /* cy_init */
-
-static void __exit cy_cleanup_module(void)
-{
- struct cyclades_card *card;
- unsigned int i, e1;
-
-#ifndef CONFIG_CYZ_INTR
- del_timer_sync(&cyz_timerlist);
-#endif /* CONFIG_CYZ_INTR */
-
- e1 = tty_unregister_driver(cy_serial_driver);
- if (e1)
- printk(KERN_ERR "failed to unregister Cyclades serial "
- "driver(%d)\n", e1);
-
-#ifdef CONFIG_PCI
- pci_unregister_driver(&cy_pci_driver);
-#endif
-
- for (i = 0; i < NR_CARDS; i++) {
- card = &cy_card[i];
- if (card->base_addr) {
- /* clear interrupt */
- cy_writeb(card->base_addr + Cy_ClrIntr, 0);
- iounmap(card->base_addr);
- if (card->ctl_addr.p9050)
- iounmap(card->ctl_addr.p9050);
- if (card->irq
-#ifndef CONFIG_CYZ_INTR
- && !cy_is_Z(card)
-#endif /* CONFIG_CYZ_INTR */
- )
- free_irq(card->irq, card);
- for (e1 = card->first_line; e1 < card->first_line +
- card->nports; e1++)
- tty_unregister_device(cy_serial_driver, e1);
- kfree(card->ports);
- }
- }
-
- put_tty_driver(cy_serial_driver);
-} /* cy_cleanup_module */
-
-module_init(cy_init);
-module_exit(cy_cleanup_module);
-
-MODULE_LICENSE("GPL");
-MODULE_VERSION(CY_VERSION);
-MODULE_ALIAS_CHARDEV_MAJOR(CYCLADES_MAJOR);
-MODULE_FIRMWARE("cyzfirm.bin");
diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index 603137da47363bda89a2778badeb38b84be81374..7ec05fdb1fc3b78ef44a185671385b4925ca017f 100644
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -15,8 +15,7 @@ config SERIAL_8250
here are those that are setting up dedicated Ethernet WWW/FTP
servers, or users that have one of the various bus mice instead of a
serial mouse and don't intend to use their machine's standard serial
- port for anything. (Note that the Cyclades multi serial port driver
- does not need this driver built in for it to work.)
+ port for anything.
To compile this driver as a module, choose M here: the
module will be called 8250.
@@ -226,7 +225,7 @@ config SERIAL_8250_MANY_PORTS
serial port hardware which acts similar to standard serial port
hardware. If you only use the standard COM 1/2/3/4 ports, you can
say N here to save some memory. You can also say Y if you have an
- "intelligent" multiport card such as Cyclades, Digiboards, etc.
+ "intelligent" multiport card such as Digiboards, etc.
#
# Multi-port serial cards
diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h
deleted file mode 100644
index 05ee0f19448a500d81f7481e6ecce4fa884fc577..0000000000000000000000000000000000000000
--- a/include/linux/cyclades.h
+++ /dev/null
@@ -1,364 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* $Revision: 3.0 $$Date: 1998/11/02 14:20:59 $
- * linux/include/linux/cyclades.h
- *
- * This file was initially written by
- * Randolph Bentson <bentson@grieg.seaslug.org> and is maintained by
- * Ivan Passos <ivan@cyclades.com>.
- *
- * This file contains the general definitions for the cyclades.c driver
- *$Log: cyclades.h,v $
- *Revision 3.1 2002/01/29 11:36:16 henrique
- *added throttle field on struct cyclades_port to indicate whether the
- *port is throttled or not
- *
- *Revision 3.1 2000/04/19 18:52:52 ivan
- *converted address fields to unsigned long and added fields for physical
- *addresses on cyclades_card structure;
- *
- *Revision 3.0 1998/11/02 14:20:59 ivan
- *added nports field on cyclades_card structure;
- *
- *Revision 2.5 1998/08/03 16:57:01 ivan
- *added cyclades_idle_stats structure;
- *
- *Revision 2.4 1998/06/01 12:09:53 ivan
- *removed closing_wait2 from cyclades_port structure;
- *
- *Revision 2.3 1998/03/16 18:01:12 ivan
- *changes in the cyclades_port structure to get it closer to the
- *standard serial port structure;
- *added constants for new ioctls;
- *
- *Revision 2.2 1998/02/17 16:50:00 ivan
- *changes in the cyclades_port structure (addition of shutdown_wait and
- *chip_rev variables);
- *added constants for new ioctls and for CD1400 rev. numbers.
- *
- *Revision 2.1 1997/10/24 16:03:00 ivan
- *added rflow (which allows enabling the CD1400 special flow control
- *feature) and rtsdtr_inv (which allows DTR/RTS pin inversion) to
- *cyclades_port structure;
- *added Alpha support
- *
- *Revision 2.0 1997/06/30 10:30:00 ivan
- *added some new doorbell command constants related to IOCTLW and
- *UART error signaling
- *
- *Revision 1.8 1997/06/03 15:30:00 ivan
- *added constant ZFIRM_HLT
- *added constant CyPCI_Ze_win ( = 2 * Cy_PCI_Zwin)
- *
- *Revision 1.7 1997/03/26 10:30:00 daniel
- *new entries at the end of cyclades_port struct to reallocate
- *variables illegally allocated within card memory.
- *
- *Revision 1.6 1996/09/09 18:35:30 bentson
- *fold in changes for Cyclom-Z -- including structures for
- *communicating with board as well modest changes to original
- *structures to support new features.
- *
- *Revision 1.5 1995/11/13 21:13:31 bentson
- *changes suggested by Michael Chastain <mec@duracef.shout.net>
- *to support use of this file in non-kernel applications
- *
- *
- */
-#ifndef _LINUX_CYCLADES_H
-#define _LINUX_CYCLADES_H
-
-#include <uapi/linux/cyclades.h>
-
-
-/* Per card data structure */
-struct cyclades_card {
- void __iomem *base_addr;
- union {
- void __iomem *p9050;
- struct RUNTIME_9060 __iomem *p9060;
- } ctl_addr;
- struct BOARD_CTRL __iomem *board_ctrl; /* cyz specific */
- int irq;
- unsigned int num_chips; /* 0 if card absent, -1 if Z/PCI, else Y */
- unsigned int first_line; /* minor number of first channel on card */
- unsigned int nports; /* Number of ports in the card */
- int bus_index; /* address shift - 0 for ISA, 1 for PCI */
- int intr_enabled; /* FW Interrupt flag - 0 disabled, 1 enabled */
- u32 hw_ver;
- spinlock_t card_lock;
- struct cyclades_port *ports;
-};
-
-/***************************************
- * Memory access functions/macros *
- * (required to support Alpha systems) *
- ***************************************/
-
-#define cy_writeb(port,val) do { writeb((val), (port)); mb(); } while (0)
-#define cy_writew(port,val) do { writew((val), (port)); mb(); } while (0)
-#define cy_writel(port,val) do { writel((val), (port)); mb(); } while (0)
-
-/*
- * Statistics counters
- */
-struct cyclades_icount {
- __u32 cts, dsr, rng, dcd, tx, rx;
- __u32 frame, parity, overrun, brk;
- __u32 buf_overrun;
-};
-
-/*
- * This is our internal structure for each serial port's state.
- *
- * Many fields are paralleled by the structure used by the serial_struct
- * structure.
- *
- * For definitions of the flags field, see tty.h
- */
-
-struct cyclades_port {
- int magic;
- struct tty_port port;
- struct cyclades_card *card;
- union {
- struct {
- void __iomem *base_addr;
- } cyy;
- struct {
- struct CH_CTRL __iomem *ch_ctrl;
- struct BUF_CTRL __iomem *buf_ctrl;
- } cyz;
- } u;
- int line;
- int flags; /* defined in tty.h */
- int type; /* UART type */
- int read_status_mask;
- int ignore_status_mask;
- int timeout;
- int xmit_fifo_size;
- int cor1,cor2,cor3,cor4,cor5;
- int tbpr,tco,rbpr,rco;
- int baud;
- int rflow;
- int rtsdtr_inv;
- int chip_rev;
- int custom_divisor;
- u8 x_char; /* to be pushed out ASAP */
- int breakon;
- int breakoff;
- int xmit_head;
- int xmit_tail;
- int xmit_cnt;
- int default_threshold;
- int default_timeout;
- unsigned long rflush_count;
- struct cyclades_monitor mon;
- struct cyclades_idle_stats idle_stats;
- struct cyclades_icount icount;
- struct completion shutdown_wait;
- int throttle;
-#ifdef CONFIG_CYZ_INTR
- struct timer_list rx_full_timer;
-#endif
-};
-
-#define CLOSING_WAIT_DELAY 30*HZ
-#define CY_CLOSING_WAIT_NONE ASYNC_CLOSING_WAIT_NONE
-#define CY_CLOSING_WAIT_INF ASYNC_CLOSING_WAIT_INF
-
-
-#define CyMAX_CHIPS_PER_CARD 8
-#define CyMAX_CHAR_FIFO 12
-#define CyPORTS_PER_CHIP 4
-#define CD1400_MAX_SPEED 115200
-
-#define CyISA_Ywin 0x2000
-
-#define CyPCI_Ywin 0x4000
-#define CyPCI_Yctl 0x80
-#define CyPCI_Zctl CTRL_WINDOW_SIZE
-#define CyPCI_Zwin 0x80000
-#define CyPCI_Ze_win (2 * CyPCI_Zwin)
-
-#define PCI_DEVICE_ID_MASK 0x06
-
-/**** CD1400 registers ****/
-
-#define CD1400_REV_G 0x46
-#define CD1400_REV_J 0x48
-
-#define CyRegSize 0x0400
-#define Cy_HwReset 0x1400
-#define Cy_ClrIntr 0x1800
-#define Cy_EpldRev 0x1e00
-
-/* Global Registers */
-
-#define CyGFRCR (0x40*2)
-#define CyRevE (44)
-#define CyCAR (0x68*2)
-#define CyCHAN_0 (0x00)
-#define CyCHAN_1 (0x01)
-#define CyCHAN_2 (0x02)
-#define CyCHAN_3 (0x03)
-#define CyGCR (0x4B*2)
-#define CyCH0_SERIAL (0x00)
-#define CyCH0_PARALLEL (0x80)
-#define CySVRR (0x67*2)
-#define CySRModem (0x04)
-#define CySRTransmit (0x02)
-#define CySRReceive (0x01)
-#define CyRICR (0x44*2)
-#define CyTICR (0x45*2)
-#define CyMICR (0x46*2)
-#define CyICR0 (0x00)
-#define CyICR1 (0x01)
-#define CyICR2 (0x02)
-#define CyICR3 (0x03)
-#define CyRIR (0x6B*2)
-#define CyTIR (0x6A*2)
-#define CyMIR (0x69*2)
-#define CyIRDirEq (0x80)
-#define CyIRBusy (0x40)
-#define CyIRUnfair (0x20)
-#define CyIRContext (0x1C)
-#define CyIRChannel (0x03)
-#define CyPPR (0x7E*2)
-#define CyCLOCK_20_1MS (0x27)
-#define CyCLOCK_25_1MS (0x31)
-#define CyCLOCK_25_5MS (0xf4)
-#define CyCLOCK_60_1MS (0x75)
-#define CyCLOCK_60_2MS (0xea)
-
-/* Virtual Registers */
-
-#define CyRIVR (0x43*2)
-#define CyTIVR (0x42*2)
-#define CyMIVR (0x41*2)
-#define CyIVRMask (0x07)
-#define CyIVRRxEx (0x07)
-#define CyIVRRxOK (0x03)
-#define CyIVRTxOK (0x02)
-#define CyIVRMdmOK (0x01)
-#define CyTDR (0x63*2)
-#define CyRDSR (0x62*2)
-#define CyTIMEOUT (0x80)
-#define CySPECHAR (0x70)
-#define CyBREAK (0x08)
-#define CyPARITY (0x04)
-#define CyFRAME (0x02)
-#define CyOVERRUN (0x01)
-#define CyMISR (0x4C*2)
-/* see CyMCOR_ and CyMSVR_ for bits*/
-#define CyEOSRR (0x60*2)
-
-/* Channel Registers */
-
-#define CyLIVR (0x18*2)
-#define CyMscsr (0x01)
-#define CyTdsr (0x02)
-#define CyRgdsr (0x03)
-#define CyRedsr (0x07)
-#define CyCCR (0x05*2)
-/* Format 1 */
-#define CyCHAN_RESET (0x80)
-#define CyCHIP_RESET (0x81)
-#define CyFlushTransFIFO (0x82)
-/* Format 2 */
-#define CyCOR_CHANGE (0x40)
-#define CyCOR1ch (0x02)
-#define CyCOR2ch (0x04)
-#define CyCOR3ch (0x08)
-/* Format 3 */
-#define CySEND_SPEC_1 (0x21)
-#define CySEND_SPEC_2 (0x22)
-#define CySEND_SPEC_3 (0x23)
-#define CySEND_SPEC_4 (0x24)
-/* Format 4 */
-#define CyCHAN_CTL (0x10)
-#define CyDIS_RCVR (0x01)
-#define CyENB_RCVR (0x02)
-#define CyDIS_XMTR (0x04)
-#define CyENB_XMTR (0x08)
-#define CySRER (0x06*2)
-#define CyMdmCh (0x80)
-#define CyRxData (0x10)
-#define CyTxRdy (0x04)
-#define CyTxMpty (0x02)
-#define CyNNDT (0x01)
-#define CyCOR1 (0x08*2)
-#define CyPARITY_NONE (0x00)
-#define CyPARITY_0 (0x20)
-#define CyPARITY_1 (0xA0)
-#define CyPARITY_E (0x40)
-#define CyPARITY_O (0xC0)
-#define Cy_1_STOP (0x00)
-#define Cy_1_5_STOP (0x04)
-#define Cy_2_STOP (0x08)
-#define Cy_5_BITS (0x00)
-#define Cy_6_BITS (0x01)
-#define Cy_7_BITS (0x02)
-#define Cy_8_BITS (0x03)
-#define CyCOR2 (0x09*2)
-#define CyIXM (0x80)
-#define CyTxIBE (0x40)
-#define CyETC (0x20)
-#define CyAUTO_TXFL (0x60)
-#define CyLLM (0x10)
-#define CyRLM (0x08)
-#define CyRtsAO (0x04)
-#define CyCtsAE (0x02)
-#define CyDsrAE (0x01)
-#define CyCOR3 (0x0A*2)
-#define CySPL_CH_DRANGE (0x80) /* special character detect range */
-#define CySPL_CH_DET1 (0x40) /* enable special character detection
- on SCHR4-SCHR3 */
-#define CyFL_CTRL_TRNSP (0x20) /* Flow Control Transparency */
-#define CySPL_CH_DET2 (0x10) /* Enable special character detection
- on SCHR2-SCHR1 */
-#define CyREC_FIFO (0x0F) /* Receive FIFO threshold */
-#define CyCOR4 (0x1E*2)
-#define CyCOR5 (0x1F*2)
-#define CyCCSR (0x0B*2)
-#define CyRxEN (0x80)
-#define CyRxFloff (0x40)
-#define CyRxFlon (0x20)
-#define CyTxEN (0x08)
-#define CyTxFloff (0x04)
-#define CyTxFlon (0x02)
-#define CyRDCR (0x0E*2)
-#define CySCHR1 (0x1A*2)
-#define CySCHR2 (0x1B*2)
-#define CySCHR3 (0x1C*2)
-#define CySCHR4 (0x1D*2)
-#define CySCRL (0x22*2)
-#define CySCRH (0x23*2)
-#define CyLNC (0x24*2)
-#define CyMCOR1 (0x15*2)
-#define CyMCOR2 (0x16*2)
-#define CyRTPR (0x21*2)
-#define CyMSVR1 (0x6C*2)
-#define CyMSVR2 (0x6D*2)
-#define CyANY_DELTA (0xF0)
-#define CyDSR (0x80)
-#define CyCTS (0x40)
-#define CyRI (0x20)
-#define CyDCD (0x10)
-#define CyDTR (0x02)
-#define CyRTS (0x01)
-#define CyPVSR (0x6F*2)
-#define CyRBPR (0x78*2)
-#define CyRCOR (0x7C*2)
-#define CyTBPR (0x72*2)
-#define CyTCOR (0x76*2)
-
-/* Custom Registers */
-
-#define CyPLX_VER (0x3400)
-#define PLX_9050 0x0b
-#define PLX_9060 0x0c
-#define PLX_9080 0x0d
-
-/***************************************************************************/
-
-#endif /* _LINUX_CYCLADES_H */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 8a18517696c1d9bd65080158593291bfcd0338a4..056d2074f07a163f71c8ceb32f5b12e0c4df3379 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1711,14 +1711,6 @@
#define PCI_DEVICE_ID_CRP16INTF 0x0903
#define PCI_VENDOR_ID_CYCLADES 0x120e
-#define PCI_DEVICE_ID_CYCLOM_Y_Lo 0x0100
-#define PCI_DEVICE_ID_CYCLOM_Y_Hi 0x0101
-#define PCI_DEVICE_ID_CYCLOM_4Y_Lo 0x0102
-#define PCI_DEVICE_ID_CYCLOM_4Y_Hi 0x0103
-#define PCI_DEVICE_ID_CYCLOM_8Y_Lo 0x0104
-#define PCI_DEVICE_ID_CYCLOM_8Y_Hi 0x0105
-#define PCI_DEVICE_ID_CYCLOM_Z_Lo 0x0200
-#define PCI_DEVICE_ID_CYCLOM_Z_Hi 0x0201
#define PCI_DEVICE_ID_PC300_RX_2 0x0300
#define PCI_DEVICE_ID_PC300_RX_1 0x0301
#define PCI_DEVICE_ID_PC300_TE_2 0x0310
diff --git a/include/uapi/linux/cyclades.h b/include/uapi/linux/cyclades.h
deleted file mode 100644
index fc0add2194a98549d69786d5612f2627e4379c0f..0000000000000000000000000000000000000000
--- a/include/uapi/linux/cyclades.h
+++ /dev/null
@@ -1,494 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-/* $Revision: 3.0 $$Date: 1998/11/02 14:20:59 $
- * linux/include/linux/cyclades.h
- *
- * This file was initially written by
- * Randolph Bentson <bentson@grieg.seaslug.org> and is maintained by
- * Ivan Passos <ivan@cyclades.com>.
- *
- * This file contains the general definitions for the cyclades.c driver
- *$Log: cyclades.h,v $
- *Revision 3.1 2002/01/29 11:36:16 henrique
- *added throttle field on struct cyclades_port to indicate whether the
- *port is throttled or not
- *
- *Revision 3.1 2000/04/19 18:52:52 ivan
- *converted address fields to unsigned long and added fields for physical
- *addresses on cyclades_card structure;
- *
- *Revision 3.0 1998/11/02 14:20:59 ivan
- *added nports field on cyclades_card structure;
- *
- *Revision 2.5 1998/08/03 16:57:01 ivan
- *added cyclades_idle_stats structure;
- *
- *Revision 2.4 1998/06/01 12:09:53 ivan
- *removed closing_wait2 from cyclades_port structure;
- *
- *Revision 2.3 1998/03/16 18:01:12 ivan
- *changes in the cyclades_port structure to get it closer to the
- *standard serial port structure;
- *added constants for new ioctls;
- *
- *Revision 2.2 1998/02/17 16:50:00 ivan
- *changes in the cyclades_port structure (addition of shutdown_wait and
- *chip_rev variables);
- *added constants for new ioctls and for CD1400 rev. numbers.
- *
- *Revision 2.1 1997/10/24 16:03:00 ivan
- *added rflow (which allows enabling the CD1400 special flow control
- *feature) and rtsdtr_inv (which allows DTR/RTS pin inversion) to
- *cyclades_port structure;
- *added Alpha support
- *
- *Revision 2.0 1997/06/30 10:30:00 ivan
- *added some new doorbell command constants related to IOCTLW and
- *UART error signaling
- *
- *Revision 1.8 1997/06/03 15:30:00 ivan
- *added constant ZFIRM_HLT
- *added constant CyPCI_Ze_win ( = 2 * Cy_PCI_Zwin)
- *
- *Revision 1.7 1997/03/26 10:30:00 daniel
- *new entries at the end of cyclades_port struct to reallocate
- *variables illegally allocated within card memory.
- *
- *Revision 1.6 1996/09/09 18:35:30 bentson
- *fold in changes for Cyclom-Z -- including structures for
- *communicating with board as well modest changes to original
- *structures to support new features.
- *
- *Revision 1.5 1995/11/13 21:13:31 bentson
- *changes suggested by Michael Chastain <mec@duracef.shout.net>
- *to support use of this file in non-kernel applications
- *
- *
- */
-
-#ifndef _UAPI_LINUX_CYCLADES_H
-#define _UAPI_LINUX_CYCLADES_H
-
-#include <linux/types.h>
-
-struct cyclades_monitor {
- unsigned long int_count;
- unsigned long char_count;
- unsigned long char_max;
- unsigned long char_last;
-};
-
-/*
- * These stats all reflect activity since the device was last initialized.
- * (i.e., since the port was opened with no other processes already having it
- * open)
- */
-struct cyclades_idle_stats {
- __kernel_old_time_t in_use; /* Time device has been in use (secs) */
- __kernel_old_time_t recv_idle; /* Time since last char received (secs) */
- __kernel_old_time_t xmit_idle; /* Time since last char transmitted (secs) */
- unsigned long recv_bytes; /* Bytes received */
- unsigned long xmit_bytes; /* Bytes transmitted */
- unsigned long overruns; /* Input overruns */
- unsigned long frame_errs; /* Input framing errors */
- unsigned long parity_errs; /* Input parity errors */
-};
-
-#define CYCLADES_MAGIC 0x4359
-
-#define CYGETMON 0x435901
-#define CYGETTHRESH 0x435902
-#define CYSETTHRESH 0x435903
-#define CYGETDEFTHRESH 0x435904
-#define CYSETDEFTHRESH 0x435905
-#define CYGETTIMEOUT 0x435906
-#define CYSETTIMEOUT 0x435907
-#define CYGETDEFTIMEOUT 0x435908
-#define CYSETDEFTIMEOUT 0x435909
-#define CYSETRFLOW 0x43590a
-#define CYGETRFLOW 0x43590b
-#define CYSETRTSDTR_INV 0x43590c
-#define CYGETRTSDTR_INV 0x43590d
-#define CYZSETPOLLCYCLE 0x43590e
-#define CYZGETPOLLCYCLE 0x43590f
-#define CYGETCD1400VER 0x435910
-#define CYSETWAIT 0x435912
-#define CYGETWAIT 0x435913
-
-/*************** CYCLOM-Z ADDITIONS ***************/
-
-#define CZIOC ('M' << 8)
-#define CZ_NBOARDS (CZIOC|0xfa)
-#define CZ_BOOT_START (CZIOC|0xfb)
-#define CZ_BOOT_DATA (CZIOC|0xfc)
-#define CZ_BOOT_END (CZIOC|0xfd)
-#define CZ_TEST (CZIOC|0xfe)
-
-#define CZ_DEF_POLL (HZ/25)
-
-#define MAX_BOARD 4 /* Max number of boards */
-#define MAX_DEV 256 /* Max number of ports total */
-#define CYZ_MAX_SPEED 921600
-
-#define CYZ_FIFO_SIZE 16
-
-#define CYZ_BOOT_NWORDS 0x100
-struct CYZ_BOOT_CTRL {
- unsigned short nboard;
- int status[MAX_BOARD];
- int nchannel[MAX_BOARD];
- int fw_rev[MAX_BOARD];
- unsigned long offset;
- unsigned long data[CYZ_BOOT_NWORDS];
-};
-
-
-#ifndef DP_WINDOW_SIZE
-/*
- * Memory Window Sizes
- */
-
-#define DP_WINDOW_SIZE (0x00080000) /* window size 512 Kb */
-#define ZE_DP_WINDOW_SIZE (0x00100000) /* window size 1 Mb (Ze and
- 8Zo V.2 */
-#define CTRL_WINDOW_SIZE (0x00000080) /* runtime regs 128 bytes */
-
-/*
- * CUSTOM_REG - Cyclom-Z/PCI Custom Registers Set. The driver
- * normally will access only interested on the fpga_id, fpga_version,
- * start_cpu and stop_cpu.
- */
-
-struct CUSTOM_REG {
- __u32 fpga_id; /* FPGA Identification Register */
- __u32 fpga_version; /* FPGA Version Number Register */
- __u32 cpu_start; /* CPU start Register (write) */
- __u32 cpu_stop; /* CPU stop Register (write) */
- __u32 misc_reg; /* Miscellaneous Register */
- __u32 idt_mode; /* IDT mode Register */
- __u32 uart_irq_status; /* UART IRQ status Register */
- __u32 clear_timer0_irq; /* Clear timer interrupt Register */
- __u32 clear_timer1_irq; /* Clear timer interrupt Register */
- __u32 clear_timer2_irq; /* Clear timer interrupt Register */
- __u32 test_register; /* Test Register */
- __u32 test_count; /* Test Count Register */
- __u32 timer_select; /* Timer select register */
- __u32 pr_uart_irq_status; /* Prioritized UART IRQ stat Reg */
- __u32 ram_wait_state; /* RAM wait-state Register */
- __u32 uart_wait_state; /* UART wait-state Register */
- __u32 timer_wait_state; /* timer wait-state Register */
- __u32 ack_wait_state; /* ACK wait State Register */
-};
-
-/*
- * RUNTIME_9060 - PLX PCI9060ES local configuration and shared runtime
- * registers. This structure can be used to access the 9060 registers
- * (memory mapped).
- */
-
-struct RUNTIME_9060 {
- __u32 loc_addr_range; /* 00h - Local Address Range */
- __u32 loc_addr_base; /* 04h - Local Address Base */
- __u32 loc_arbitr; /* 08h - Local Arbitration */
- __u32 endian_descr; /* 0Ch - Big/Little Endian Descriptor */
- __u32 loc_rom_range; /* 10h - Local ROM Range */
- __u32 loc_rom_base; /* 14h - Local ROM Base */
- __u32 loc_bus_descr; /* 18h - Local Bus descriptor */
- __u32 loc_range_mst; /* 1Ch - Local Range for Master to PCI */
- __u32 loc_base_mst; /* 20h - Local Base for Master PCI */
- __u32 loc_range_io; /* 24h - Local Range for Master IO */
- __u32 pci_base_mst; /* 28h - PCI Base for Master PCI */
- __u32 pci_conf_io; /* 2Ch - PCI configuration for Master IO */
- __u32 filler1; /* 30h */
- __u32 filler2; /* 34h */
- __u32 filler3; /* 38h */
- __u32 filler4; /* 3Ch */
- __u32 mail_box_0; /* 40h - Mail Box 0 */
- __u32 mail_box_1; /* 44h - Mail Box 1 */
- __u32 mail_box_2; /* 48h - Mail Box 2 */
- __u32 mail_box_3; /* 4Ch - Mail Box 3 */
- __u32 filler5; /* 50h */
- __u32 filler6; /* 54h */
- __u32 filler7; /* 58h */
- __u32 filler8; /* 5Ch */
- __u32 pci_doorbell; /* 60h - PCI to Local Doorbell */
- __u32 loc_doorbell; /* 64h - Local to PCI Doorbell */
- __u32 intr_ctrl_stat; /* 68h - Interrupt Control/Status */
- __u32 init_ctrl; /* 6Ch - EEPROM control, Init Control, etc */
-};
-
-/* Values for the Local Base Address re-map register */
-
-#define WIN_RAM 0x00000001L /* set the sliding window to RAM */
-#define WIN_CREG 0x14000001L /* set the window to custom Registers */
-
-/* Values timer select registers */
-
-#define TIMER_BY_1M 0x00 /* clock divided by 1M */
-#define TIMER_BY_256K 0x01 /* clock divided by 256k */
-#define TIMER_BY_128K 0x02 /* clock divided by 128k */
-#define TIMER_BY_32K 0x03 /* clock divided by 32k */
-
-/****************** ****************** *******************/
-#endif
-
-#ifndef ZFIRM_ID
-/* #include "zfwint.h" */
-/****************** ****************** *******************/
-/*
- * This file contains the definitions for interfacing with the
- * Cyclom-Z ZFIRM Firmware.
- */
-
-/* General Constant definitions */
-
-#define MAX_CHAN 64 /* max number of channels per board */
-
-/* firmware id structure (set after boot) */
-
-#define ID_ADDRESS 0x00000180L /* signature/pointer address */
-#define ZFIRM_ID 0x5557465AL /* ZFIRM/U signature */
-#define ZFIRM_HLT 0x59505B5CL /* ZFIRM needs external power supply */
-#define ZFIRM_RST 0x56040674L /* RST signal (due to FW reset) */
-
-#define ZF_TINACT_DEF 1000 /* default inactivity timeout
- (1000 ms) */
-#define ZF_TINACT ZF_TINACT_DEF
-
-struct FIRM_ID {
- __u32 signature; /* ZFIRM/U signature */
- __u32 zfwctrl_addr; /* pointer to ZFW_CTRL structure */
-};
-
-/* Op. System id */
-
-#define C_OS_LINUX 0x00000030 /* generic Linux system */
-
-/* channel op_mode */
-
-#define C_CH_DISABLE 0x00000000 /* channel is disabled */
-#define C_CH_TXENABLE 0x00000001 /* channel Tx enabled */
-#define C_CH_RXENABLE 0x00000002 /* channel Rx enabled */
-#define C_CH_ENABLE 0x00000003 /* channel Tx/Rx enabled */
-#define C_CH_LOOPBACK 0x00000004 /* Loopback mode */
-
-/* comm_parity - parity */
-
-#define C_PR_NONE 0x00000000 /* None */
-#define C_PR_ODD 0x00000001 /* Odd */
-#define C_PR_EVEN 0x00000002 /* Even */
-#define C_PR_MARK 0x00000004 /* Mark */
-#define C_PR_SPACE 0x00000008 /* Space */
-#define C_PR_PARITY 0x000000ff
-
-#define C_PR_DISCARD 0x00000100 /* discard char with frame/par error */
-#define C_PR_IGNORE 0x00000200 /* ignore frame/par error */
-
-/* comm_data_l - data length and stop bits */
-
-#define C_DL_CS5 0x00000001
-#define C_DL_CS6 0x00000002
-#define C_DL_CS7 0x00000004
-#define C_DL_CS8 0x00000008
-#define C_DL_CS 0x0000000f
-#define C_DL_1STOP 0x00000010
-#define C_DL_15STOP 0x00000020
-#define C_DL_2STOP 0x00000040
-#define C_DL_STOP 0x000000f0
-
-/* interrupt enabling/status */
-
-#define C_IN_DISABLE 0x00000000 /* zero, disable interrupts */
-#define C_IN_TXBEMPTY 0x00000001 /* tx buffer empty */
-#define C_IN_TXLOWWM 0x00000002 /* tx buffer below LWM */
-#define C_IN_RXHIWM 0x00000010 /* rx buffer above HWM */
-#define C_IN_RXNNDT 0x00000020 /* rx no new data timeout */
-#define C_IN_MDCD 0x00000100 /* modem DCD change */
-#define C_IN_MDSR 0x00000200 /* modem DSR change */
-#define C_IN_MRI 0x00000400 /* modem RI change */
-#define C_IN_MCTS 0x00000800 /* modem CTS change */
-#define C_IN_RXBRK 0x00001000 /* Break received */
-#define C_IN_PR_ERROR 0x00002000 /* parity error */
-#define C_IN_FR_ERROR 0x00004000 /* frame error */
-#define C_IN_OVR_ERROR 0x00008000 /* overrun error */
-#define C_IN_RXOFL 0x00010000 /* RX buffer overflow */
-#define C_IN_IOCTLW 0x00020000 /* I/O control w/ wait */
-#define C_IN_MRTS 0x00040000 /* modem RTS drop */
-#define C_IN_ICHAR 0x00080000
-
-/* flow control */
-
-#define C_FL_OXX 0x00000001 /* output Xon/Xoff flow control */
-#define C_FL_IXX 0x00000002 /* output Xon/Xoff flow control */
-#define C_FL_OIXANY 0x00000004 /* output Xon/Xoff (any xon) */
-#define C_FL_SWFLOW 0x0000000f
-
-/* flow status */
-
-#define C_FS_TXIDLE 0x00000000 /* no Tx data in the buffer or UART */
-#define C_FS_SENDING 0x00000001 /* UART is sending data */
-#define C_FS_SWFLOW 0x00000002 /* Tx is stopped by received Xoff */
-
-/* rs_control/rs_status RS-232 signals */
-
-#define C_RS_PARAM 0x80000000 /* Indicates presence of parameter in
- IOCTLM command */
-#define C_RS_RTS 0x00000001 /* RTS */
-#define C_RS_DTR 0x00000004 /* DTR */
-#define C_RS_DCD 0x00000100 /* CD */
-#define C_RS_DSR 0x00000200 /* DSR */
-#define C_RS_RI 0x00000400 /* RI */
-#define C_RS_CTS 0x00000800 /* CTS */
-
-/* commands Host <-> Board */
-
-#define C_CM_RESET 0x01 /* reset/flush buffers */
-#define C_CM_IOCTL 0x02 /* re-read CH_CTRL */
-#define C_CM_IOCTLW 0x03 /* re-read CH_CTRL, intr when done */
-#define C_CM_IOCTLM 0x04 /* RS-232 outputs change */
-#define C_CM_SENDXOFF 0x10 /* send Xoff */
-#define C_CM_SENDXON 0x11 /* send Xon */
-#define C_CM_CLFLOW 0x12 /* Clear flow control (resume) */
-#define C_CM_SENDBRK 0x41 /* send break */
-#define C_CM_INTBACK 0x42 /* Interrupt back */
-#define C_CM_SET_BREAK 0x43 /* Tx break on */
-#define C_CM_CLR_BREAK 0x44 /* Tx break off */
-#define C_CM_CMD_DONE 0x45 /* Previous command done */
-#define C_CM_INTBACK2 0x46 /* Alternate Interrupt back */
-#define C_CM_TINACT 0x51 /* set inactivity detection */
-#define C_CM_IRQ_ENBL 0x52 /* enable generation of interrupts */
-#define C_CM_IRQ_DSBL 0x53 /* disable generation of interrupts */
-#define C_CM_ACK_ENBL 0x54 /* enable acknowledged interrupt mode */
-#define C_CM_ACK_DSBL 0x55 /* disable acknowledged intr mode */
-#define C_CM_FLUSH_RX 0x56 /* flushes Rx buffer */
-#define C_CM_FLUSH_TX 0x57 /* flushes Tx buffer */
-#define C_CM_Q_ENABLE 0x58 /* enables queue access from the
- driver */
-#define C_CM_Q_DISABLE 0x59 /* disables queue access from the
- driver */
-
-#define C_CM_TXBEMPTY 0x60 /* Tx buffer is empty */
-#define C_CM_TXLOWWM 0x61 /* Tx buffer low water mark */
-#define C_CM_RXHIWM 0x62 /* Rx buffer high water mark */
-#define C_CM_RXNNDT 0x63 /* rx no new data timeout */
-#define C_CM_TXFEMPTY 0x64
-#define C_CM_ICHAR 0x65
-#define C_CM_MDCD 0x70 /* modem DCD change */
-#define C_CM_MDSR 0x71 /* modem DSR change */
-#define C_CM_MRI 0x72 /* modem RI change */
-#define C_CM_MCTS 0x73 /* modem CTS change */
-#define C_CM_MRTS 0x74 /* modem RTS drop */
-#define C_CM_RXBRK 0x84 /* Break received */
-#define C_CM_PR_ERROR 0x85 /* Parity error */
-#define C_CM_FR_ERROR 0x86 /* Frame error */
-#define C_CM_OVR_ERROR 0x87 /* Overrun error */
-#define C_CM_RXOFL 0x88 /* RX buffer overflow */
-#define C_CM_CMDERROR 0x90 /* command error */
-#define C_CM_FATAL 0x91 /* fatal error */
-#define C_CM_HW_RESET 0x92 /* reset board */
-
-/*
- * CH_CTRL - This per port structure contains all parameters
- * that control an specific port. It can be seen as the
- * configuration registers of a "super-serial-controller".
- */
-
-struct CH_CTRL {
- __u32 op_mode; /* operation mode */
- __u32 intr_enable; /* interrupt masking */
- __u32 sw_flow; /* SW flow control */
- __u32 flow_status; /* output flow status */
- __u32 comm_baud; /* baud rate - numerically specified */
- __u32 comm_parity; /* parity */
- __u32 comm_data_l; /* data length/stop */
- __u32 comm_flags; /* other flags */
- __u32 hw_flow; /* HW flow control */
- __u32 rs_control; /* RS-232 outputs */
- __u32 rs_status; /* RS-232 inputs */
- __u32 flow_xon; /* xon char */
- __u32 flow_xoff; /* xoff char */
- __u32 hw_overflow; /* hw overflow counter */
- __u32 sw_overflow; /* sw overflow counter */
- __u32 comm_error; /* frame/parity error counter */
- __u32 ichar;
- __u32 filler[7];
-};
-
-
-/*
- * BUF_CTRL - This per channel structure contains
- * all Tx and Rx buffer control for a given channel.
- */
-
-struct BUF_CTRL {
- __u32 flag_dma; /* buffers are in Host memory */
- __u32 tx_bufaddr; /* address of the tx buffer */
- __u32 tx_bufsize; /* tx buffer size */
- __u32 tx_threshold; /* tx low water mark */
- __u32 tx_get; /* tail index tx buf */
- __u32 tx_put; /* head index tx buf */
- __u32 rx_bufaddr; /* address of the rx buffer */
- __u32 rx_bufsize; /* rx buffer size */
- __u32 rx_threshold; /* rx high water mark */
- __u32 rx_get; /* tail index rx buf */
- __u32 rx_put; /* head index rx buf */
- __u32 filler[5]; /* filler to align structures */
-};
-
-/*
- * BOARD_CTRL - This per board structure contains all global
- * control fields related to the board.
- */
-
-struct BOARD_CTRL {
-
- /* static info provided by the on-board CPU */
- __u32 n_channel; /* number of channels */
- __u32 fw_version; /* firmware version */
-
- /* static info provided by the driver */
- __u32 op_system; /* op_system id */
- __u32 dr_version; /* driver version */
-
- /* board control area */
- __u32 inactivity; /* inactivity control */
-
- /* host to FW commands */
- __u32 hcmd_channel; /* channel number */
- __u32 hcmd_param; /* pointer to parameters */
-
- /* FW to Host commands */
- __u32 fwcmd_channel; /* channel number */
- __u32 fwcmd_param; /* pointer to parameters */
- __u32 zf_int_queue_addr; /* offset for INT_QUEUE structure */
-
- /* filler so the structures are aligned */
- __u32 filler[6];
-};
-
-/* Host Interrupt Queue */
-
-#define QUEUE_SIZE (10*MAX_CHAN)
-
-struct INT_QUEUE {
- unsigned char intr_code[QUEUE_SIZE];
- unsigned long channel[QUEUE_SIZE];
- unsigned long param[QUEUE_SIZE];
- unsigned long put;
- unsigned long get;
-};
-
-/*
- * ZFW_CTRL - This is the data structure that includes all other
- * data structures used by the Firmware.
- */
-
-struct ZFW_CTRL {
- struct BOARD_CTRL board_ctrl;
- struct CH_CTRL ch_ctrl[MAX_CHAN];
- struct BUF_CTRL buf_ctrl[MAX_CHAN];
-};
-
-/****************** ****************** *******************/
-#endif
-
-#endif /* _UAPI_LINUX_CYCLADES_H */
diff --git a/include/uapi/linux/major.h b/include/uapi/linux/major.h
index 7e5fa8e15c43632ec82dfdca82e07318808c9c62..4e5f2b3a3d5465a8e046e3ff2e02dd5097ce952e 100644
--- a/include/uapi/linux/major.h
+++ b/include/uapi/linux/major.h
@@ -34,8 +34,6 @@
#define GOLDSTAR_CDROM_MAJOR 16
#define OPTICS_CDROM_MAJOR 17
#define SANYO_CDROM_MAJOR 18
-#define CYCLADES_MAJOR 19
-#define CYCLADESAUX_MAJOR 20
#define MITSUMI_X_CDROM_MAJOR 20
#define MFM_ACORN_MAJOR 21 /* ARM Linux /dev/mfm */
#define SCSI_GENERIC_MAJOR 21
diff --git a/include/uapi/linux/serial.h b/include/uapi/linux/serial.h
index 93eb3c496ff1e85a6af59c539596775c4c9bf35e..fa6b16e5fdd837405321f21e347b9f7dbcf81649 100644
--- a/include/uapi/linux/serial.h
+++ b/include/uapi/linux/serial.h
@@ -52,11 +52,11 @@ struct serial_struct {
#define PORT_16450 2
#define PORT_16550 3
#define PORT_16550A 4
-#define PORT_CIRRUS 5 /* usurped by cyclades.c */
+#define PORT_CIRRUS 5
#define PORT_16650 6
#define PORT_16650V2 7
#define PORT_16750 8
-#define PORT_STARTECH 9 /* usurped by cyclades.c */
+#define PORT_STARTECH 9
#define PORT_16C950 10 /* Oxford Semiconductor */
#define PORT_16654 11
#define PORT_16850 12