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/* |
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* PearPC |
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* syscdrom.cc |
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* |
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* Copyright (C) 2003 Sebastian Biallas (sb@biallas.net) |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#include <cstdio> |
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#include <cstring> |
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#include <device/scsi.h> |
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#include <drivers/Drivers.h> |
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#include <drivers/CAM.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include "errno.h" |
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|
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#include "debug/tracers.h" |
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#include "io/ide/cd.h" |
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|
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#define IO_NCD_TRACE(msg...) IO_IDE_TRACE("[CDROM/BEOS] "msg) |
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#define IO_NCD_WARN(msg...) IO_IDE_WARN("[CDROM/BEOS] "msg) |
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|
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#define SCSI_CMD_DIR_IN 1 |
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#define SCSI_CMD_DIR_OUT 2 |
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|
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#define CD_FRAMESIZE 2048 |
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|
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/// BeOS ATAPI-based CD-ROM implementation |
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class CDROMDeviceBeOS:public CDROMDeviceSCSI |
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{ |
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private: |
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int fd; |
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public: |
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CDROMDeviceBeOS(const char *name); |
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virtual ~CDROMDeviceBeOS(); |
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virtual byte SCSI_ExecCmd(byte command, byte dir, byte params[11], byte *buffer, unsigned int buffer_len); |
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|
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virtual void eject(); |
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}; |
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|
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CDROMDeviceBeOS::CDROMDeviceBeOS(const char *name) |
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: CDROMDeviceSCSI(name) |
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{ |
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IO_NCD_TRACE("%s()\n", __FUNCTION__); |
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fd = ::open(name, O_RDONLY); |
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} |
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|
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CDROMDeviceBeOS::~CDROMDeviceBeOS() |
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{ |
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::close(fd); |
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} |
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|
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/// SCSI command pass-through function |
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/// @author Alexander Stockinger |
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/// @date 07/18/2004 |
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/// @param command The SCSI command to be sent |
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/// @param dir The data direcion flags |
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/// @param params byte[11] array containing command dependent parameters |
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/// @param buffer Buffer for data exchange |
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/// @param buffer_len The size of buffer in bytes |
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/// @return If the call could be executed it returns the status from the device, else it returns 0xff |
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byte CDROMDeviceBeOS::SCSI_ExecCmd(byte command, byte dir, byte params[11], byte *buffer, unsigned int buffer_len) |
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{ |
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raw_device_command cmd; |
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int ret; |
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int i; |
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|
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memset(&cmd, 0, sizeof(cmd)); |
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cmd.flags = B_RAW_DEVICE_SHORT_READ_VALID; |
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if (dir & SCSI_CMD_DIR_IN) |
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cmd.flags |= B_RAW_DEVICE_DATA_IN; |
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|
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cmd.command[0] = command; |
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if (command < 0x20) |
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cmd.command_length = 6; |
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else if (command < 0xa0) |
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cmd.command_length = 10; |
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else |
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cmd.command_length = 12; |
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//cmd.command_length = 10; //XXX: force |
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for (i = 0; i + 1 < cmd.command_length; i++) |
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cmd.command[i+1] = params[i]; |
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cmd.data = buffer; |
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cmd.data_length = buffer_len; |
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cmd.timeout = 5000000; |
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ret = ::ioctl(fd, B_RAW_DEVICE_COMMAND, &cmd, sizeof(cmd)); |
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//IO_NCD_TRACE("command done. scsi status: 0x%08lx cam status: 0x%08lx\n", cmd.scsi_status, cmd.cam_status); |
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if (ret < 0 /*|| cmd.scsi_status || cmd.cam_status*/) { |
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IO_NCD_WARN("ioctl() returned error 0x%08lx (%s)\n", errno, strerror(errno)); |
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IO_NCD_WARN("command: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x:\n", |
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command, params[0], params[1], params[2], params[3], params[4], params[5], params[6], params[7], params[8], params[9]); |
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return 0xff; |
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} |
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return cmd.scsi_status; |
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} |
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|
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|
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void CDROMDeviceBeOS::eject() |
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{ |
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IO_NCD_TRACE("%s()\n", __FUNCTION__); |
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::ioctl(fd, B_EJECT_DEVICE, NULL, 0); |
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} |
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|
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/// Creates a native CDROM device |
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/// @param device_name The PearPC internal device name for the drive |
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/// @param image_name The image / device name to identify the real hardware |
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/// @return On success a pointer to a CDROMDevice is returned, else NULL |
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/// @author Alexander Stockinger |
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/// @date 07/19/2004 |
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CDROMDevice* createNativeCDROMDevice(const char* device_name, const char* image_name) |
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{ |
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// IO_NCD_WARN("No native CDROMs supported on BeOS\n"); |
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// check for a real cdrom drive... |
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device_geometry geom; |
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int err; |
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int fd = open(image_name, O_RDONLY); |
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err = ioctl(fd, B_GET_GEOMETRY, &geom, sizeof(geom)); |
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close(fd); |
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if (err < 0) { |
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IO_NCD_WARN("Can't open CDROM '%s'\n", image_name); |
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return NULL; |
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} |
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if (geom.device_type != B_CD) { |
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IO_NCD_WARN("File '%s' not a CDROM device\n", image_name); |
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return NULL; |
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} |
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// create it |
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CDROMDevice *dev = new CDROMDeviceBeOS(image_name); |
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return dev; |
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} |
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