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/pci.h>
26 #include <linux/moduleparam.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)
99 if (*value == OPTION_UNSET) {
108 printk(KERN_INFO "%s: %s Enabled\n", atl1_driver_name,
111 case OPTION_DISABLED:
112 printk(KERN_INFO "%s: %s Disabled\n", atl1_driver_name,
118 if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
119 printk(KERN_INFO "%s: %s set to %i\n",
120 atl1_driver_name, opt->name, *value);
126 struct atl1_opt_list *ent;
128 for (i = 0; i < opt->arg.l.nr; i++) {
129 ent = &opt->arg.l.p[i];
130 if (*value == ent->i) {
131 if (ent->str[0] != '\0')
132 printk(KERN_INFO "%s: %s\n",
133 atl1_driver_name, ent->str);
144 printk(KERN_INFO "%s: invalid %s specified (%i) %s\n",
145 atl1_driver_name, opt->name, *value, opt->err);
151 * atl1_check_options - Range Checking for Command Line Parameters
152 * @adapter: board private structure
154 * This routine checks all command line parameters for valid user
155 * input. If an invalid value is given, or if no user specified
156 * value exists, a default value is used. The final value is stored
157 * in a variable in the adapter structure.
159 void __devinit atl1_check_options(struct atl1_adapter *adapter)
161 int bd = adapter->bd_number;
162 if (bd >= ATL1_MAX_NIC) {
163 printk(KERN_NOTICE "%s: warning: no configuration for board #%i\n",
164 atl1_driver_name, bd);
165 printk(KERN_NOTICE "%s: using defaults for all values\n",
168 { /* Interrupt Moderate Timer */
169 struct atl1_option opt = {
170 .type = range_option,
171 .name = "Interrupt Moderator Timer",
172 .err = "using default of "
173 __MODULE_STRING(DEFAULT_INT_MOD_CNT),
174 .def = DEFAULT_INT_MOD_CNT,
176 {.min = MIN_INT_MOD_CNT,.max = MAX_INT_MOD_CNT}}
179 if (num_int_mod_timer > bd) {
180 val = int_mod_timer[bd];
181 atl1_validate_option(&val, &opt);
182 adapter->imt = (u16) val;
184 adapter->imt = (u16) (opt.def);
188 struct atl1_option opt = {
189 .type = range_option,
190 .name = "SPI Flash Vendor",
191 .err = "using default of "
192 __MODULE_STRING(FLASH_VENDOR_DEFAULT),
193 .def = DEFAULT_INT_MOD_CNT,
195 {.min = FLASH_VENDOR_MIN,.max =
199 if (num_flash_vendor > bd) {
200 val = flash_vendor[bd];
201 atl1_validate_option(&val, &opt);
202 adapter->hw.flash_vendor = (u8) val;
204 adapter->hw.flash_vendor = (u8) (opt.def);