From patchwork Mon Dec 15 12:58:18 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: 14051 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 1F14FDDFE5 for ; Tue, 16 Dec 2008 00:29:46 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753128AbYLON3W (ORCPT ); Mon, 15 Dec 2008 08:29:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753049AbYLON3T (ORCPT ); Mon, 15 Dec 2008 08:29:19 -0500 Received: from 076-076-148-181.pdx.net ([76.76.148.181]:58015 "EHLO gocho" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753068AbYLON3P (ORCPT ); Mon, 15 Dec 2008 08:29:15 -0500 Received: from inaky by gocho with local (Exim 4.69) (envelope-from ) id 1LCD27-0001g4-DG; Mon, 15 Dec 2008 04:58:47 -0800 From: Inaky Perez-Gonzalez To: netdev@vger.kernel.org Cc: wimax@linuxwimax.org, greg@kroah.com Subject: [PATCH 23/29] i2400m/SDIO: header for the SDIO subdriver Date: Mon, 15 Dec 2008 04:58:18 -0800 Message-Id: <12ca159cc257929d03b8fa3aeaf0bd3cad1e5d76.1229345780.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 it's debug level settings. Signed-off-by: Inaky Perez-Gonzalez --- drivers/net/wimax/i2400m/i2400m-sdio.h | 132 ++++++++++++++++++++++++++ drivers/net/wimax/i2400m/sdio-debug-levels.h | 22 +++++ 2 files changed, 154 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..08c2fb7 --- /dev/null +++ b/drivers/net/wimax/i2400m/i2400m-sdio.h @@ -0,0 +1,132 @@ +/* + * 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]; + + struct dentry *debugfs_dentry; +}; + + +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..c519987 --- /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 + +/* List of all the enabled modules */ +enum d_module { + D_SUBMODULE_DECLARE(main), + D_SUBMODULE_DECLARE(tx), + D_SUBMODULE_DECLARE(rx), + D_SUBMODULE_DECLARE(fw) +}; + + +#endif /* #ifndef __debug_levels__h__ */