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-rw-r--r--drivers/staging/meilhaus/mesubdevice.c317
1 files changed, 317 insertions, 0 deletions
diff --git a/drivers/staging/meilhaus/mesubdevice.c b/drivers/staging/meilhaus/mesubdevice.c
new file mode 100644
index 000000000000..98d4f1f7a824
--- /dev/null
+++ b/drivers/staging/meilhaus/mesubdevice.c
@@ -0,0 +1,317 @@
+/**
+ * @file mesubdevice.c
+ *
+ * @brief Subdevice base class implemention.
+ * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
+ * @author Guenter Gebhardt
+ */
+
+/*
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __KERNEL__
+# define __KERNEL__
+#endif
+
+#include <linux/slab.h>
+
+#include "medefines.h"
+#include "meerror.h"
+
+#include "medebug.h"
+#include "mesubdevice.h"
+
+static int me_subdevice_io_irq_start(struct me_subdevice *subdevice,
+ struct file *filep,
+ int channel,
+ int irq_source,
+ int irq_edge, int irq_arg, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_irq_wait(struct me_subdevice *subdevice,
+ struct file *filep,
+ int channel,
+ int *irq_count,
+ int *value, int time_out, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_irq_stop(struct me_subdevice *subdevice,
+ struct file *filep, int channel, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_reset_subdevice(struct me_subdevice *subdevice,
+ struct file *filep, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_single_config(struct me_subdevice *subdevice,
+ struct file *filep,
+ int channel,
+ int single_config,
+ int ref,
+ int trig_chan,
+ int trig_type,
+ int trig_edge, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_single_read(struct me_subdevice *subdevice,
+ struct file *filep,
+ int channel,
+ int *value, int time_out, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_single_write(struct me_subdevice *subdevice,
+ struct file *filep,
+ int channel,
+ int value, int time_out, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_stream_config(struct me_subdevice *subdevice,
+ struct file *filep,
+ meIOStreamConfig_t * config_list,
+ int count,
+ meIOStreamTrigger_t * trigger,
+ int fifo_irq_threshold, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_stream_new_values(struct me_subdevice *subdevice,
+ struct file *filep,
+ int time_out,
+ int *count, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_stream_read(struct me_subdevice *subdevice,
+ struct file *filep,
+ int read_mode,
+ int *values, int *count, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_stream_start(struct me_subdevice *subdevice,
+ struct file *filep,
+ int start_mode, int time_out, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_stream_status(struct me_subdevice *subdevice,
+ struct file *filep,
+ int wait,
+ int *status, int *count, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_stream_stop(struct me_subdevice *subdevice,
+ struct file *filep,
+ int stop_mode, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_io_stream_write(struct me_subdevice *subdevice,
+ struct file *filep,
+ int write_mode,
+ int *values, int *count, int flags)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_lock_subdevice(me_subdevice_t * subdevice,
+ struct file *filep, int lock, int flags)
+{
+ PDEBUG("executed.\n");
+ return me_slock_lock(&subdevice->lock, filep, lock);
+}
+
+static int me_subdevice_query_number_channels(struct me_subdevice *subdevice,
+ int *number)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_query_number_ranges(struct me_subdevice *subdevice,
+ int unit, int *count)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_query_range_by_min_max(struct me_subdevice *subdevice,
+ int unit,
+ int *min,
+ int *max,
+ int *maxdata, int *range)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_query_range_info(struct me_subdevice *subdevice,
+ int range,
+ int *unit,
+ int *min, int *max, int *maxdata)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_query_subdevice_type(struct me_subdevice *subdevice,
+ int *type, int *subtype)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_query_subdevice_caps(struct me_subdevice *subdevice,
+ int *caps)
+{
+ PDEBUG("executed.\n");
+ *caps = 0;
+ return ME_ERRNO_SUCCESS;
+}
+
+static int me_subdevice_query_subdevice_caps_args(struct me_subdevice
+ *subdevice, int cap,
+ int *args, int count)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_query_timer(struct me_subdevice *subdevice,
+ int timer,
+ int *base_frequency,
+ long long *min_ticks, long long *max_ticks)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_NOT_SUPPORTED;
+}
+
+static int me_subdevice_config_load(struct me_subdevice *subdevice,
+ me_cfg_device_entry_t * config)
+{
+ PDEBUG("executed.\n");
+ return ME_ERRNO_SUCCESS;
+}
+
+static void me_subdevice_destructor(struct me_subdevice *subdevice)
+{
+ PDEBUG("executed.\n");
+ me_subdevice_deinit(subdevice);
+ kfree(subdevice);
+}
+
+int me_subdevice_init(me_subdevice_t * subdevice)
+{
+ int err;
+
+ PDEBUG("executed.\n");
+
+ /* Init list head */
+ INIT_LIST_HEAD(&subdevice->list);
+
+ /* Initialize the subdevice lock instance */
+
+ err = me_slock_init(&subdevice->lock);
+
+ if (err) {
+ PERROR("Cannot initialize subdevice lock instance.\n");
+ return 1;
+ }
+
+ /* Subdevice base class methods */
+ subdevice->me_subdevice_io_irq_start = me_subdevice_io_irq_start;
+ subdevice->me_subdevice_io_irq_wait = me_subdevice_io_irq_wait;
+ subdevice->me_subdevice_io_irq_stop = me_subdevice_io_irq_stop;
+ subdevice->me_subdevice_io_reset_subdevice =
+ me_subdevice_io_reset_subdevice;
+ subdevice->me_subdevice_io_single_config =
+ me_subdevice_io_single_config;
+ subdevice->me_subdevice_io_single_read = me_subdevice_io_single_read;
+ subdevice->me_subdevice_io_single_write = me_subdevice_io_single_write;
+ subdevice->me_subdevice_io_stream_config =
+ me_subdevice_io_stream_config;
+ subdevice->me_subdevice_io_stream_new_values =
+ me_subdevice_io_stream_new_values;
+ subdevice->me_subdevice_io_stream_read = me_subdevice_io_stream_read;
+ subdevice->me_subdevice_io_stream_start = me_subdevice_io_stream_start;
+ subdevice->me_subdevice_io_stream_status =
+ me_subdevice_io_stream_status;
+ subdevice->me_subdevice_io_stream_stop = me_subdevice_io_stream_stop;
+ subdevice->me_subdevice_io_stream_write = me_subdevice_io_stream_write;
+ subdevice->me_subdevice_lock_subdevice = me_subdevice_lock_subdevice;
+ subdevice->me_subdevice_query_number_channels =
+ me_subdevice_query_number_channels;
+ subdevice->me_subdevice_query_number_ranges =
+ me_subdevice_query_number_ranges;
+ subdevice->me_subdevice_query_range_by_min_max =
+ me_subdevice_query_range_by_min_max;
+ subdevice->me_subdevice_query_range_info =
+ me_subdevice_query_range_info;
+ subdevice->me_subdevice_query_subdevice_type =
+ me_subdevice_query_subdevice_type;
+ subdevice->me_subdevice_query_subdevice_caps =
+ me_subdevice_query_subdevice_caps;
+ subdevice->me_subdevice_query_subdevice_caps_args =
+ me_subdevice_query_subdevice_caps_args;
+ subdevice->me_subdevice_query_timer = me_subdevice_query_timer;
+ subdevice->me_subdevice_config_load = me_subdevice_config_load;
+ subdevice->me_subdevice_destructor = me_subdevice_destructor;
+
+ return 0;
+}
+
+void me_subdevice_deinit(me_subdevice_t * subdevice)
+{
+ PDEBUG("executed.\n");
+ me_subdevice_io_reset_subdevice(subdevice, NULL,
+ ME_IO_RESET_SUBDEVICE_NO_FLAGS);
+ me_slock_deinit(&subdevice->lock);
+}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.