2 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
3 * Copyright(c) 2006 Chris Snook <csnook@redhat.com>
4 * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com>
6 * Derived from Intel e1000 driver
7 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the Free
11 * Software Foundation; either version 2 of the License, or (at your option)
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19 * You should have received a copy of the GNU General Public License along with
20 * this program; if not, write to the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 #include <linux/types.h>
25 #include <linux/moduleparam.h>
26 #include <linux/pci.h>
30 * This is the only thing that needs to be changed to adjust the
31 * maximum number of ports that the driver can manage.
33 #define ATL1_MAX_NIC 4
35 #define OPTION_UNSET -1
36 #define OPTION_DISABLED 0
37 #define OPTION_ENABLED 1
39 #define ATL1_PARAM_INIT { [0 ... ATL1_MAX_NIC] = OPTION_UNSET }
42 * Interrupt Moderate Timer in units of 2 us
44 * Valid Range: 10-65535
46 * Default Value: 100 (200us)
48 static int __devinitdata int_mod_timer[ATL1_MAX_NIC+1] = ATL1_PARAM_INIT;
49 static int num_int_mod_timer = 0;
50 module_param_array_named(int_mod_timer, int_mod_timer, int, &num_int_mod_timer, 0);
51 MODULE_PARM_DESC(int_mod_timer, "Interrupt moderator timer");
64 static int __devinitdata flash_vendor[ATL1_MAX_NIC+1] = ATL1_PARAM_INIT;
65 static int num_flash_vendor = 0;
66 module_param_array_named(flash_vendor, flash_vendor, int, &num_flash_vendor, 0);
67 MODULE_PARM_DESC(flash_vendor, "SPI flash vendor");
69 #define DEFAULT_INT_MOD_CNT 100 /* 200us */
70 #define MAX_INT_MOD_CNT 65000
71 #define MIN_INT_MOD_CNT 50
73 #define FLASH_VENDOR_DEFAULT 0
74 #define FLASH_VENDOR_MIN 0
75 #define FLASH_VENDOR_MAX 2
78 enum { enable_option, range_option, list_option } type;
83 struct { /* range_option info */
87 struct { /* list_option info */
89 struct atl1_opt_list {
97 static int __devinit atl1_validate_option(int *value, struct atl1_option *opt, struct pci_dev *pdev)
99 if (*value == OPTION_UNSET) {
108 dev_info(&pdev->dev, "%s enabled\n", opt->name);
110 case OPTION_DISABLED:
111 dev_info(&pdev->dev, "%s disabled\n", opt->name);
116 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
117 dev_info(&pdev->dev, "%s set to %i\n", opt->name,
124 struct atl1_opt_list *ent;
126 for (i = 0; i < opt->arg.l.nr; i++) {
127 ent = &opt->arg.l.p[i];
128 if (*value == ent->i) {
129 if (ent->str[0] != '\0')
130 dev_info(&pdev->dev, "%s\n",
142 dev_info(&pdev->dev, "invalid %s specified (%i) %s\n",
143 opt->name, *value, opt->err);
149 * atl1_check_options - Range Checking for Command Line Parameters
150 * @adapter: board private structure
152 * This routine checks all command line parameters for valid user
153 * input. If an invalid value is given, or if no user specified
154 * value exists, a default value is used. The final value is stored
155 * in a variable in the adapter structure.
157 void __devinit atl1_check_options(struct atl1_adapter *adapter)
159 struct pci_dev *pdev = adapter->pdev;
160 int bd = adapter->bd_number;
161 if (bd >= ATL1_MAX_NIC) {
162 dev_notice(&pdev->dev, "no configuration for board#%i\n", bd);
163 dev_notice(&pdev->dev, "using defaults for all values\n");
165 { /* Interrupt Moderate Timer */
166 struct atl1_option opt = {
167 .type = range_option,
168 .name = "Interrupt Moderator Timer",
169 .err = "using default of "
170 __MODULE_STRING(DEFAULT_INT_MOD_CNT),
171 .def = DEFAULT_INT_MOD_CNT,
173 {.min = MIN_INT_MOD_CNT,.max = MAX_INT_MOD_CNT}}
176 if (num_int_mod_timer > bd) {
177 val = int_mod_timer[bd];
178 atl1_validate_option(&val, &opt, pdev);
179 adapter->imt = (u16) val;
181 adapter->imt = (u16) (opt.def);
185 struct atl1_option opt = {
186 .type = range_option,
187 .name = "SPI Flash Vendor",
188 .err = "using default of "
189 __MODULE_STRING(FLASH_VENDOR_DEFAULT),
190 .def = DEFAULT_INT_MOD_CNT,
192 {.min = FLASH_VENDOR_MIN,.max =
196 if (num_flash_vendor > bd) {
197 val = flash_vendor[bd];
198 atl1_validate_option(&val, &opt, pdev);
199 adapter->hw.flash_vendor = (u8) val;
201 adapter->hw.flash_vendor = (u8) (opt.def);