media: Remove audio_module_driver
* I have not idea what this is for. Seems stuff from a long time ago when for some reason someone wanted an audio driver implemented in a kernel module. It is not used anywhere. If someone feels this should be reverted please let me know and add an explanation.
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Barrett17
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66741d3615
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c6be458e6d
@ -1,9 +0,0 @@
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#include <module.h>
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struct audio_module_info
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{
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module_info module;
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void (*print_hello)();
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};
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typedef struct audio_module_info audio_module_info;
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@ -1,8 +0,0 @@
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SubDir HAIKU_TOP src add-ons kernel drivers audio module_driver ;
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UsePrivateHeaders libroot media ;
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KernelAddon audio_module_driver :
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audio_module_driver.c
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;
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@ -1,204 +0,0 @@
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/*
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* BeOS audio_module_driver
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*
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* Copyright (c) 2003, Marcus Overhagen <marcus@overhagen.de>
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*
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* All rights reserved.
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* Redistribution only allowed under the terms of the MIT license.
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*
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*/
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#include <KernelExport.h>
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#include <directories.h>
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#include <Drivers.h>
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#include <Errors.h>
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#include <OS.h>
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#include <malloc.h>
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#include <fcntl.h>
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#include <image.h>
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#include "audio_module.h"
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int32 api_version = B_CUR_DRIVER_API_VERSION;
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#define DRIVER_NAME "audio_module_driver"
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#define MODULE_TEST_PATH "media/audio/ich"
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void republish_devices(void);
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extern image_id load_kernel_addon(const char *path);
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extern status_t unload_kernel_addon(image_id imid);
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status_t
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init_hardware(void)
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{
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dprintf("audio_module_driver: init_hardware\n");
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return B_OK;
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}
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status_t
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init_driver(void)
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{
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audio_module_info *audio_module;
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image_id id;
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status_t rv;
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void (*print_hello_world)(void);
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id = load_kernel_addon(kUserAddonsDirectory "/kernel/media/audio/ich");
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get_image_symbol(id, "print_hello_world", B_SYMBOL_TYPE_TEXT,
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(void **) &print_hello_world);
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print_hello_world();
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unload_kernel_addon(id);
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if (rv != B_OK)
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dprintf("unload_kernel_addon failed\n");
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/*
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if (B_OK != get_module(MODULE_TEST_PATH, (module_info **)&audio_module)) {
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dprintf("get_module failed\n");
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return B_ERROR;
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}
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dprintf("calling audio_module->print_hello()\n");
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audio_module->print_hello();
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dprintf("done\n");
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if (B_OK != put_module(MODULE_TEST_PATH)) {
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dprintf("put_module failed\n");
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return B_ERROR;
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}
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*/
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return B_OK;
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}
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void
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uninit_driver(void)
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{
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dprintf("audio_module_driver: uninit_driver\n");
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}
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static status_t
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audio_module_driver_open(const char *name, uint32 flags, void **cookie)
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{
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dprintf("audio_module_driver: open %s\n", name);
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return B_OK;
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}
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static status_t
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audio_module_driver_close(void *cookie)
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{
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dprintf("audio_module_driver: close\n");
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return B_OK;
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}
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static status_t
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audio_module_driver_free(void *cookie)
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{
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dprintf("audio_module_driver: free\n");
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return B_OK;
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}
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static status_t
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audio_module_driver_control(void *cookie, uint32 op, void *arg, size_t len)
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{
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dprintf("audio_module_driver: control\n");
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switch (op) {
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default:
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return B_ERROR;
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}
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}
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static status_t
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audio_module_driver_read(void *cookie, off_t position, void *buf,
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size_t *num_bytes)
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{
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*num_bytes = 0;
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return B_IO_ERROR;
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}
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static status_t
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audio_module_driver_write(void *cookie, off_t position, const void *buffer,
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size_t *num_bytes)
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{
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static int keep_open_fd = -1;
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if (*num_bytes >= 5 && 0 == memcmp("start", buffer, 5)
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&& keep_open_fd == -1) {
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keep_open_fd = open("/dev/audio/audio_module_driver", O_RDWR);
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return B_OK;
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}
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if (*num_bytes >= 4 && 0 == memcmp("stop", buffer, 4)
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&& keep_open_fd != -1) {
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close(keep_open_fd);
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keep_open_fd = -1;
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return B_OK;
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}
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if (*num_bytes >= 6 && 0 == memcmp("rescan", buffer, 6)) {
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republish_devices();
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return B_OK;
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}
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*num_bytes = 0;
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return B_IO_ERROR;
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}
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static const char *ich_name[] = {
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"audio/" DRIVER_NAME,
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"audio/modules/foobar/1",
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"audio/modules/foobar/2",
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"audio/modules/snafu/1",
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"audio/modules/snafu/2",
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NULL
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};
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device_hooks audio_module_driver_hooks = {
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audio_module_driver_open,
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audio_module_driver_close,
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audio_module_driver_free,
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audio_module_driver_control,
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audio_module_driver_read,
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audio_module_driver_write,
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NULL,
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NULL,
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NULL,
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NULL
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};
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const char**
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publish_devices(void)
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{
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dprintf("audio_module_driver: publish_devices\n");
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return ich_name;
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}
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device_hooks*
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find_device(const char *name)
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{
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dprintf("audio_module_driver: find_device %s\n", name);
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return &audio_module_driver_hooks;
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}
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void republish_devices(void)
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{
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int fd = open("/dev", O_WRONLY);
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write(fd, DRIVER_NAME, strlen(DRIVER_NAME));
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close (fd);
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}
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