<?php
function my_module_block_info() {
    $blocks = array();

    $blocks['my_module_config'] = array(
            'info' => t('My Module'),
    );
    return $blocks;
}


/**
 * Implements hook_block_view().
 */
function my_module_block_view($delta = '') {
    $block = array();

    switch ($delta) {
        case 'my_module_config':
            $my_module_form = drupal_get_form('my_module_form');
            $my_module_form = drupal_render($my_module_form);
            $block['subject'] = '';
            $block['content'] = $my_module_form;
            break;
    }
    return $block;
}
?>