From patchwork Mon Nov 24 21:50:55 2008 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Inaky Perez-Gonzalez X-Patchwork-Id: 10514 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by ozlabs.org (Postfix) with ESMTP id D745DDDEDD for ; Tue, 25 Nov 2008 08:53:10 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753372AbYKXVwm (ORCPT ); Mon, 24 Nov 2008 16:52:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754005AbYKXVwh (ORCPT ); Mon, 24 Nov 2008 16:52:37 -0500 Received: from mga12.intel.com ([143.182.124.36]:21168 "EHLO azsmga102.ch.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753219AbYKXVvs (ORCPT ); Mon, 24 Nov 2008 16:51:48 -0500 Received: from azsmga001.ch.intel.com ([10.2.17.19]) by azsmga102.ch.intel.com with ESMTP; 24 Nov 2008 13:51:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.33,661,1220252400"; d="scan'208";a="81901318" Received: from gocho.jf.intel.com (HELO localhost.localdomain) ([134.134.19.94]) by azsmga001.ch.intel.com with ESMTP; 24 Nov 2008 13:51:20 -0800 From: Inaky Perez-Gonzalez To: netdev@vger.kernel.org Subject: [PATCH 32/39] i2400m/SDIO: header for the SDIO subdriver Date: Mon, 24 Nov 2008 13:50:55 -0800 Message-Id: <02e7fbd671c12ebaedfd45477dfb3acf8e84e8a2.1227562829.git.inaky@linux.intel.com> X-Mailer: git-send-email 1.5.6.5 In-Reply-To: References: Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This contains the common function declaration and constants for the SDIO driver for the 2400m Wireless WiMAX Connection and the debug level settings for the SDIO driver. Signed-off-by: Inaky Perez-Gonzalez --- drivers/net/wimax/i2400m/i2400m-sdio.h | 130 ++++++++++++++++++++++++++ drivers/net/wimax/i2400m/sdio-debug-levels.h | 22 +++++ 2 files changed, 152 insertions(+), 0 deletions(-) create mode 100644 drivers/net/wimax/i2400m/i2400m-sdio.h create mode 100644 drivers/net/wimax/i2400m/sdio-debug-levels.h diff --git a/drivers/net/wimax/i2400m/i2400m-sdio.h b/drivers/net/wimax/i2400m/i2400m-sdio.h new file mode 100644 index 0000000..1c9cd54 --- /dev/null +++ b/drivers/net/wimax/i2400m/i2400m-sdio.h @@ -0,0 +1,130 @@ +/* + * Intel Wireless WiMAX Connection 2400m + * SDIO-specific i2400m driver definitions + * + * + * Copyright (C) 2007-2008 Intel Corporation. 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. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "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 COPYRIGHT + * OWNER OR CONTRIBUTORS 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. + * + * + * Intel Corporation + * Brian Bian + * Dirk Brandewie + * Inaky Perez-Gonzalez + * Yanir Lubetkin + * - Initial implementation + * + * + * This driver implements the bus-specific part of the i2400m for + * SDIO. Check i2400m.h for a generic driver description. + * + * ARCHITECTURE + * + * This driver sits under the bus-generic i2400m driver, providing the + * connection to the device. + * + * When probed, all the function pointers are setup and then the + * bus-generic code called. The generic driver will then use the + * provided pointers for uploading firmware (i2400ms_bus_bm*() in + * sdio-fw.c) and then setting up the device (i2400ms_dev_*() in + * sdio.c). + * + * Once firmware is uploaded, TX functions (sdio-tx.c) are called when + * data is ready for transmission in the TX fifo; then the SDIO IRQ is + * fired and data is available (sdio-rx.c), it is sent to the generic + * driver for processing with i2400m_rx. + */ + +#ifndef __I2400M_SDIO_H__ +#define __I2400M_SDIO_H__ + +#include "i2400m.h" + +/* Host-Device interface for SDIO */ +enum { + I2400MS_BLK_SIZE = 256, + I2400MS_PL_SIZE_MAX = 0x3E00, + + I2400MS_DATA_ADDR = 0x0, + I2400MS_INTR_STATUS_ADDR = 0x13, + I2400MS_INTR_CLEAR_ADDR = 0x13, + I2400MS_INTR_ENABLE_ADDR = 0x14, + I2400MS_INTR_GET_SIZE_ADDR = 0x2C, + /* The number of ticks to wait for the device to signal that + * it is ready */ + I2400MS_INIT_SLEEP_INTERVAL = 10, +}; + + +/** + * struct i2400ms - descriptor for a SDIO connected i2400m + * + * @i2400m: bus-generic i2400m implementation; has to be first (see + * it's documentation in i2400m.h). + * + * @func: pointer to our SDIO function + * + * @tx_worker: workqueue struct used to TX data when the bus-generic + * code signals packets are pending for transmission to the device. + * + * @tx_workqueue: workqeueue used for data TX; we don't use the + * system's workqueue as that might cause deadlocks with code in + * the bus-generic driver. + */ +struct i2400ms { + struct i2400m i2400m; /* FIRST! See doc */ + struct sdio_func *func; + + struct work_struct tx_worker; + struct workqueue_struct *tx_workqueue; + char tx_wq_name[32]; +}; + + +static inline +void i2400ms_init(struct i2400ms *i2400ms) +{ + i2400m_init(&i2400ms->i2400m); +} + + +extern int i2400ms_rx_setup(struct i2400ms *); +extern void i2400ms_rx_release(struct i2400ms *); +extern ssize_t __i2400ms_rx_get_size(struct i2400ms *); + +extern int i2400ms_tx_setup(struct i2400ms *); +extern void i2400ms_tx_release(struct i2400ms *); +extern void i2400ms_bus_tx_kick(struct i2400m *); + +extern ssize_t i2400ms_bus_bm_cmd_send(struct i2400m *, + const struct i2400m_bootrom_header *, + size_t, int); +extern ssize_t i2400ms_bus_bm_wait_for_ack(struct i2400m *, + struct i2400m_bootrom_header *, + size_t); +#endif /* #ifndef __I2400M_SDIO_H__ */ diff --git a/drivers/net/wimax/i2400m/sdio-debug-levels.h b/drivers/net/wimax/i2400m/sdio-debug-levels.h new file mode 100644 index 0000000..561adb0 --- /dev/null +++ b/drivers/net/wimax/i2400m/sdio-debug-levels.h @@ -0,0 +1,22 @@ +/* + * debug levels control file for the i2400m module's + */ +#ifndef __debug_levels__h__ +#define __debug_levels__h__ + +/* Maximum compile and run time debug level for all submodules */ +#define D_MODULENAME i2400m_sdio +#define D_MASTER CONFIG_WIMAX_I2400M_DEBUG_LEVEL + +#include "../debug.h" + +/* List of all the enabled modules */ +enum d_module { + D_SUBMODULE_DECLARE(sdio_main), + D_SUBMODULE_DECLARE(sdio_tx), + D_SUBMODULE_DECLARE(sdio_rx), + D_SUBMODULE_DECLARE(sdio_fw) +}; + + +#endif /* #ifndef __debug_levels__h__ */