Index: uspace/srv/fs/fat/fat_ops.c =================================================================== --- uspace/srv/fs/fat/fat_ops.c (revision 4637c72da21ae63d19637654eb772d0cdae5841a) +++ uspace/srv/fs/fat/fat_ops.c (revision 17ccb9d746a0d3db19fc24efcc8f0cfa36479cdf) @@ -1527,6 +1527,25 @@ void fat_sync(ipc_callid_t rid, ipc_call_t *request) { - /* Dummy implementation */ - ipc_answer_0(rid, EOK); + dev_handle_t dev_handle = (dev_handle_t) IPC_GET_ARG1(*request); + fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request); + + fs_node_t *fn; + int rc = fat_node_get(&fn, dev_handle, index); + if (rc != EOK) { + ipc_answer_0(rid, rc); + return; + } + if (!fn) { + ipc_answer_0(rid, ENOENT); + return; + } + + fat_node_t *nodep = FAT_NODE(fn); + + nodep->dirty = true; + rc = fat_node_sync(nodep); + + fat_node_put(fn); + ipc_answer_0(rid, rc); } Index: uspace/srv/fs/tmpfs/tmpfs_ops.c =================================================================== --- uspace/srv/fs/tmpfs/tmpfs_ops.c (revision 4637c72da21ae63d19637654eb772d0cdae5841a) +++ uspace/srv/fs/tmpfs/tmpfs_ops.c (revision 17ccb9d746a0d3db19fc24efcc8f0cfa36479cdf) @@ -736,5 +736,8 @@ void tmpfs_sync(ipc_callid_t rid, ipc_call_t *request) { - /* Dummy implementation */ + /* + * TMPFS keeps its data structures always consistent, + * thus the sync operation is a no-op. + */ ipc_answer_0(rid, EOK); } Index: uspace/srv/hid/kbd/Makefile =================================================================== --- uspace/srv/hid/kbd/Makefile (revision 4637c72da21ae63d19637654eb772d0cdae5841a) +++ uspace/srv/hid/kbd/Makefile (revision 17ccb9d746a0d3db19fc24efcc8f0cfa36479cdf) @@ -60,6 +60,6 @@ ifeq ($(MACHINE),gta02) SOURCES += \ - port/dummy.c \ - ctl/pc.c + port/chardev.c \ + ctl/stty.c endif ifeq ($(MACHINE),testarm) Index: uspace/srv/hid/kbd/port/chardev.c =================================================================== --- uspace/srv/hid/kbd/port/chardev.c (revision 4637c72da21ae63d19637654eb772d0cdae5841a) +++ uspace/srv/hid/kbd/port/chardev.c (revision 17ccb9d746a0d3db19fc24efcc8f0cfa36479cdf) @@ -41,4 +41,5 @@ #include #include +#include #include #include @@ -50,21 +51,41 @@ #define NAME "kbd" +/** List of devices to try connecting to. */ +static const char *in_devs[] = { + "/dev/char/ps2a", + "/dev/char/s3c24ser" +}; + +static const int num_devs = sizeof(in_devs) / sizeof(in_devs[0]); + int kbd_port_init(void) { - const char *input = "/dev/char/ps2a"; int input_fd; + int i; - printf(NAME ": open %s\n", input); + input_fd = -1; + for (i = 0; i < num_devs; i++) { + struct stat s; - input_fd = open(input, O_RDONLY); + if (stat(in_devs[i], &s) == EOK) + break; + } + + if (i >= num_devs) { + printf(NAME ": Could not find any suitable input device.\n"); + return -1; + } + + input_fd = open(in_devs[i], O_RDONLY); if (input_fd < 0) { - printf(NAME ": Failed opening %s (%d)\n", input, input_fd); - return false; + printf(NAME ": failed opening device %s (%d).\n", in_devs[i], + input_fd); + return -1; } dev_phone = fd_phone(input_fd); if (dev_phone < 0) { - printf(NAME ": Failed to connect to device\n"); - return false; + printf(NAME ": Failed connecting to device\n"); + return -1; } @@ -73,5 +94,5 @@ if (ipc_connect_to_me(dev_phone, 0, 0, 0, &phonehash) != 0) { printf(NAME ": Failed to create callback from device\n"); - return false; + return -1; } Index: uspace/srv/hid/kbd/port/i8042.h =================================================================== --- uspace/srv/hid/kbd/port/i8042.h (revision 4637c72da21ae63d19637654eb772d0cdae5841a) +++ (revision ) @@ -1,55 +1,0 @@ -/* - * Copyright (c) 2006 Josef Cejka - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** @addtogroup kbd_port - * @ingroup kbd - * @{ - */ - -/** @file - * @brief i8042 port driver. - */ - -#ifndef KBD_PORT_i8042_H_ -#define KBD_PORT_i8042_H_ - -#include -#include - -struct i8042 { - ioport8_t data; - uint8_t pad[3]; - ioport8_t status; -} __attribute__ ((packed)); -typedef struct i8042 i8042_t; - -#endif - -/** - * @} - */ Index: uspace/srv/hw/char/s3c24xx_uart/Makefile =================================================================== --- uspace/srv/hw/char/s3c24xx_uart/Makefile (revision 17ccb9d746a0d3db19fc24efcc8f0cfa36479cdf) +++ uspace/srv/hw/char/s3c24xx_uart/Makefile (revision 17ccb9d746a0d3db19fc24efcc8f0cfa36479cdf) @@ -0,0 +1,38 @@ +# +# Copyright (c) 2005 Martin Decky +# Copyright (c) 2007 Jakub Jermar +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# - The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +USPACE_PREFIX = ../../../.. + +# Need to use short name because of FAT 8+3 limit +BINARY = s3c24ser + +SOURCES = \ + s3c24xx_uart.c + +include $(USPACE_PREFIX)/Makefile.common Index: uspace/srv/hw/char/s3c24xx_uart/s3c24xx_uart.c =================================================================== --- uspace/srv/hw/char/s3c24xx_uart/s3c24xx_uart.c (revision 17ccb9d746a0d3db19fc24efcc8f0cfa36479cdf) +++ uspace/srv/hw/char/s3c24xx_uart/s3c24xx_uart.c (revision 17ccb9d746a0d3db19fc24efcc8f0cfa36479cdf) @@ -0,0 +1,224 @@ +/* + * Copyright (c) 2010 Jiri Svoboda + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup driver_serial + * @{ + */ +/** + * @file + * @brief Samsung S3C24xx on-chip UART driver. + * + * This UART is present on the Samsung S3C24xx CPU (on the gta02 platform). + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "s3c24xx_uart.h" + +#define NAME "s3c24ser" +#define NAMESPACE "char" + +/* Bits in UTRSTAT register */ +#define S3C24XX_UTRSTAT_TX_EMPTY 0x4 +#define S3C24XX_UTRSTAT_RDATA 0x1 + +/* Bits in UFSTAT register */ +#define S3C24XX_UFSTAT_TX_FULL 0x4000 +#define S3C24XX_UFSTAT_RX_FULL 0x0040 +#define S3C24XX_UFSTAT_RX_COUNT 0x002f + +static irq_cmd_t uart_irq_cmds[] = { + { + .cmd = CMD_ACCEPT + } +}; + +static irq_code_t uart_irq_code = { + sizeof(uart_irq_cmds) / sizeof(irq_cmd_t), + uart_irq_cmds +}; + +/** S3C24xx UART instance structure */ +static s3c24xx_uart_t *uart; + +static void s3c24xx_uart_connection(ipc_callid_t iid, ipc_call_t *icall); +static void s3c24xx_uart_irq_handler(ipc_callid_t iid, ipc_call_t *call); +static int s3c24xx_uart_init(s3c24xx_uart_t *uart); +static void s3c24xx_uart_sendb(s3c24xx_uart_t *uart, uint8_t byte); + +int main(int argc, char *argv[]) +{ + int rc; + + printf(NAME ": S3C24xx on-chip UART driver\n"); + + rc = devmap_driver_register(NAME, s3c24xx_uart_connection); + if (rc < 0) { + printf(NAME ": Unable to register driver.\n"); + return -1; + } + + uart = malloc(sizeof(s3c24xx_uart_t)); + if (uart == NULL) + return -1; + + if (s3c24xx_uart_init(uart) != EOK) + return -1; + + rc = devmap_device_register(NAMESPACE "/" NAME, &uart->dev_handle); + if (rc != EOK) { + devmap_hangup_phone(DEVMAP_DRIVER); + printf(NAME ": Unable to register device %s.\n"); + return -1; + } + + printf(NAME ": Registered device %s.\n", NAMESPACE "/" NAME); + + printf(NAME ": Accepting connections\n"); + task_retval(0); + async_manager(); + + /* Not reached */ + return 0; +} + +/** Character device connection handler. */ +static void s3c24xx_uart_connection(ipc_callid_t iid, ipc_call_t *icall) +{ + ipc_callid_t callid; + ipc_call_t call; + ipcarg_t method; + int retval; + + /* Answer the IPC_M_CONNECT_ME_TO call. */ + ipc_answer_0(iid, EOK); + + while (1) { + callid = async_get_call(&call); + method = IPC_GET_METHOD(call); + switch (method) { + case IPC_M_PHONE_HUNGUP: + /* The other side has hung up. */ + ipc_answer_0(callid, EOK); + return; + case IPC_M_CONNECT_TO_ME: + printf(NAME ": creating callback connection\n"); + uart->client_phone = IPC_GET_ARG5(call); + retval = 0; + break; + case CHAR_WRITE_BYTE: + printf(NAME ": write %d to device\n", + IPC_GET_ARG1(call)); + s3c24xx_uart_sendb(uart, (uint8_t) IPC_GET_ARG1(call)); + retval = 0; + break; + default: + retval = EINVAL; + break; + } + ipc_answer_0(callid, retval); + } +} + +static void s3c24xx_uart_irq_handler(ipc_callid_t iid, ipc_call_t *call) +{ + (void) iid; (void) call; + + while ((pio_read_32(&uart->io->ufstat) & S3C24XX_UFSTAT_RX_COUNT) != 0) { + uint32_t data = pio_read_32(&uart->io->urxh) & 0xff; + uint32_t status = pio_read_32(&uart->io->uerstat); + + if (uart->client_phone != -1) { + async_msg_1(uart->client_phone, CHAR_NOTIF_BYTE, + data); + } + + if (status & 0x0f) + printf(NAME ": Error status 0x%x\n", status); + } +} + +/** Initialize S3C24xx on-chip UART. */ +static int s3c24xx_uart_init(s3c24xx_uart_t *uart) +{ + void *vaddr; + sysarg_t inr; + + if (sysinfo_get_value("s3c24xx_uart.address.physical", + &uart->paddr) != EOK) + return -1; + + if (pio_enable((void *) uart->paddr, sizeof(s3c24xx_uart_io_t), + &vaddr) != 0) + return -1; + + if (sysinfo_get_value("s3c24xx_uart.inr", &inr) != EOK) + return -1; + + uart->io = vaddr; + uart->client_phone = -1; + + printf(NAME ": device at physical address 0x%x, inr %d.\n", + uart->paddr, inr); + + async_set_interrupt_received(s3c24xx_uart_irq_handler); + + ipc_register_irq(inr, device_assign_devno(), 0, &uart_irq_code); + + /* Enable FIFO, Tx trigger level: empty, Rx trigger level: 1 byte. */ + pio_write_32(&uart->io->ufcon, 0x01); + + /* Set RX interrupt to pulse mode */ + pio_write_32(&uart->io->ucon, + pio_read_32(&uart->io->ucon) & ~(1 << 8)); + + return EOK; +} + +/** Send a byte to the UART. */ +static void s3c24xx_uart_sendb(s3c24xx_uart_t *uart, uint8_t byte) +{ + /* Wait for space becoming available in Tx FIFO. */ + while ((pio_read_32(&uart->io->ufstat) & S3C24XX_UFSTAT_TX_FULL) != 0) + ; + + pio_write_32(&uart->io->utxh, byte); +} + +/** @} + */ Index: uspace/srv/hw/char/s3c24xx_uart/s3c24xx_uart.h =================================================================== --- uspace/srv/hw/char/s3c24xx_uart/s3c24xx_uart.h (revision 17ccb9d746a0d3db19fc24efcc8f0cfa36479cdf) +++ uspace/srv/hw/char/s3c24xx_uart/s3c24xx_uart.h (revision 17ccb9d746a0d3db19fc24efcc8f0cfa36479cdf) @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2010 Jiri Svoboda + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup genarch + * @{ + */ +/** + * @file + * @brief Samsung S3C24xx on-chip UART driver. + */ + +#ifndef S3C24XX_UART_H_ +#define S3C24XX_UART_H_ + +#include + +/** S3C24xx UART I/O */ +typedef struct { + uint32_t ulcon; + uint32_t ucon; + uint32_t ufcon; + uint32_t umcon; + + uint32_t utrstat; + uint32_t uerstat; + uint32_t ufstat; + uint32_t umstat; + + uint32_t utxh; + uint32_t urxh; + + uint32_t ubrdiv; +} s3c24xx_uart_io_t; + +/** S3C24xx UART instance */ +typedef struct { + /** Physical device address */ + uintptr_t paddr; + + /** Device I/O structure */ + s3c24xx_uart_io_t *io; + + /** Callback phone to the client */ + int client_phone; + + /** Device handle */ + dev_handle_t dev_handle; +} s3c24xx_uart_t; + +#endif + +/** @} + */