iwl-5000.c revision 88acbd3b32692ae786019ce642c6150b355f4b1e 
1/******************************************************************************
2 *
3 * Copyright(c) 2007-2008 Intel Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
23 *
24 *****************************************************************************/
25
26#include <linux/kernel.h>
27#include <linux/module.h>
28#include <linux/version.h>
29#include <linux/init.h>
30#include <linux/pci.h>
31#include <linux/dma-mapping.h>
32#include <linux/delay.h>
33#include <linux/skbuff.h>
34#include <linux/netdevice.h>
35#include <linux/wireless.h>
36#include <net/mac80211.h>
37#include <linux/etherdevice.h>
38#include <asm/unaligned.h>
39
40#include "iwl-eeprom.h"
41#include "iwl-4965.h"
42#include "iwl-core.h"
43#include "iwl-io.h"
44#include "iwl-helpers.h"
45#include "iwl-5000-hw.h"
46
47#define IWL5000_UCODE_API  "-1"
48
49static int iwl5000_apm_init(struct iwl_priv *priv)
50{
51	int ret = 0;
52
53	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
54		    CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
55
56	iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
57
58	/* set "initialization complete" bit to move adapter
59	 * D0U* --> D0A* state */
60	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
61
62	/* wait for clock stabilization */
63	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
64			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
65			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
66	if (ret < 0) {
67		IWL_DEBUG_INFO("Failed to init the card\n");
68		return ret;
69	}
70
71	ret = iwl_grab_nic_access(priv);
72	if (ret)
73		return ret;
74
75	/* enable DMA */
76	iwl_write_prph(priv, APMG_CLK_EN_REG,
77			APMG_CLK_VAL_DMA_CLK_RQT);
78
79	udelay(20);
80
81	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
82			APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
83
84	iwl_release_nic_access(priv);
85
86	return ret;
87}
88
89static struct iwl_hcmd_ops iwl5000_hcmd = {
90};
91
92static struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {
93};
94
95static struct iwl_lib_ops iwl5000_lib = {
96	.apm_ops = {
97		.init =	iwl5000_apm_init,
98		.set_pwr_src = iwl4965_set_pwr_src,
99	},
100	.eeprom_ops = {
101		.verify_signature  = iwlcore_eeprom_verify_signature,
102		.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
103		.release_semaphore = iwlcore_eeprom_release_semaphore,
104	},
105};
106
107static struct iwl_ops iwl5000_ops = {
108	.lib = &iwl5000_lib,
109	.hcmd = &iwl5000_hcmd,
110	.utils = &iwl5000_hcmd_utils,
111};
112
113static struct iwl_mod_params iwl50_mod_params = {
114	.num_of_queues = IWL50_NUM_QUEUES,
115	.enable_qos = 1,
116	.amsdu_size_8K = 1,
117	/* the rest are 0 by default */
118};
119
120
121struct iwl_cfg iwl5300_agn_cfg = {
122	.name = "5300AGN",
123	.fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode",
124	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
125	.ops = &iwl5000_ops,
126	.mod_params = &iwl50_mod_params,
127};
128
129struct iwl_cfg iwl5100_agn_cfg = {
130	.name = "5100AGN",
131	.fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode",
132	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
133	.ops = &iwl5000_ops,
134	.mod_params = &iwl50_mod_params,
135};
136
137struct iwl_cfg iwl5350_agn_cfg = {
138	.name = "5350AGN",
139	.fw_name = "iwlwifi-5000" IWL5000_UCODE_API ".ucode",
140	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
141	.ops = &iwl5000_ops,
142	.mod_params = &iwl50_mod_params,
143};
144
145module_param_named(disable50, iwl50_mod_params.disable, int, 0444);
146MODULE_PARM_DESC(disable50,
147		  "manually disable the 50XX radio (default 0 [radio on])");
148module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, 0444);
149MODULE_PARM_DESC(swcrypto50,
150		  "using software crypto engine (default 0 [hardware])\n");
151module_param_named(debug50, iwl50_mod_params.debug, int, 0444);
152MODULE_PARM_DESC(debug50, "50XX debug output mask");
153module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, 0444);
154MODULE_PARM_DESC(queues_num50, "number of hw queues in 50xx series");
155module_param_named(qos_enable50, iwl50_mod_params.enable_qos, int, 0444);
156MODULE_PARM_DESC(qos_enable50, "enable all 50XX QoS functionality");
157module_param_named(amsdu_size_8K50, iwl50_mod_params.amsdu_size_8K, int, 0444);
158MODULE_PARM_DESC(amsdu_size_8K50, "enable 8K amsdu size in 50XX series");
159
160
161