[linux.git] / drivers / net / wireless / iwlwifi / iwl-1000.c

/******************************************************************************
 *
 * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 *  Intel Linux Wireless <[email protected]>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 *****************************************************************************/

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/wireless.h>
#include <net/mac80211.h>
#include <linux/etherdevice.h>
#include <asm/unaligned.h>

#include "iwl-eeprom.h"
#include "iwl-dev.h"
#include "iwl-core.h"
#include "iwl-io.h"
#include "iwl-sta.h"
#include "iwl-helpers.h"
#include "iwl-5000-hw.h"
#include "iwl-agn-led.h"

/* Highest firmware API version supported */
#define IWL1000_UCODE_API_MAX 3

/* Lowest firmware API version supported */
#define IWL1000_UCODE_API_MIN 1

#define IWL1000_FW_PRE "iwlwifi-1000-"
#define _IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode"
#define IWL1000_MODULE_FIRMWARE(api) _IWL1000_MODULE_FIRMWARE(api)


/*
 * For 1000, use advance thermal throttling critical temperature threshold,
 * but legacy thermal management implementation for now.
 * This is for the reason of 1000 uCode using advance thermal throttling API
 * but not implement ct_kill_exit based on ct_kill exit temperature
 * so the thermal throttling will still based on legacy thermal throttling
 * management.
 * The code here need to be modified once 1000 uCode has the advanced thermal
 * throttling algorithm in place
 */
static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
{
	/* want Celsius */
	priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
	priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
}

/* NIC configuration for 1000 series */
static void iwl1000_nic_config(struct iwl_priv *priv)
{
	/* set CSR_HW_CONFIG_REG for uCode use */
	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
		    CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
		    CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);

	/* Setting digital SVR for 1000 card to 1.32V */
	/* locking is acquired in iwl_set_bits_mask_prph() function */
	iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
				APMG_SVR_DIGITAL_VOLTAGE_1_32,
				~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
}

static struct iwl_lib_ops iwl1000_lib = {
	.set_hw_params = iwl5000_hw_set_hw_params,
	.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
	.txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
	.txq_set_sched = iwl5000_txq_set_sched,
	.txq_agg_enable = iwl5000_txq_agg_enable,
	.txq_agg_disable = iwl5000_txq_agg_disable,
	.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
	.txq_free_tfd = iwl_hw_txq_free_tfd,
	.txq_init = iwl_hw_tx_queue_init,
	.rx_handler_setup = iwl5000_rx_handler_setup,
	.setup_deferred_work = iwl5000_setup_deferred_work,
	.is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
	.load_ucode = iwl5000_load_ucode,
	.dump_nic_event_log = iwl_dump_nic_event_log,
	.dump_nic_error_log = iwl_dump_nic_error_log,
	.dump_csr = iwl_dump_csr,
	.dump_fh = iwl_dump_fh,
	.init_alive_start = iwl5000_init_alive_start,
	.alive_notify = iwl5000_alive_notify,
	.send_tx_power = iwl5000_send_tx_power,
	.update_chain_flags = iwl_update_chain_flags,
	.apm_ops = {
		.init = iwl_apm_init,
		.stop = iwl_apm_stop,
		.config = iwl1000_nic_config,
		.set_pwr_src = iwl_set_pwr_src,
	},
	.eeprom_ops = {
		.regulatory_bands = {
			EEPROM_5000_REG_BAND_1_CHANNELS,
			EEPROM_5000_REG_BAND_2_CHANNELS,
			EEPROM_5000_REG_BAND_3_CHANNELS,
			EEPROM_5000_REG_BAND_4_CHANNELS,
			EEPROM_5000_REG_BAND_5_CHANNELS,
			EEPROM_5000_REG_BAND_24_HT40_CHANNELS,
			EEPROM_5000_REG_BAND_52_HT40_CHANNELS
		},
		.verify_signature  = iwlcore_eeprom_verify_signature,
		.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
		.release_semaphore = iwlcore_eeprom_release_semaphore,
		.calib_version	= iwl5000_eeprom_calib_version,
		.query_addr = iwl5000_eeprom_query_addr,
	},
	.post_associate = iwl_post_associate,
	.isr = iwl_isr_ict,
	.config_ap = iwl_config_ap,
	.temp_ops = {
		.temperature = iwl5000_temperature,
		.set_ct_kill = iwl1000_set_ct_threshold,
	 },
};

static const struct iwl_ops iwl1000_ops = {
	.ucode = &iwl5000_ucode,
	.lib = &iwl1000_lib,
	.hcmd = &iwl5000_hcmd,
	.utils = &iwl5000_hcmd_utils,
	.led = &iwlagn_led_ops,
};

struct iwl_cfg iwl1000_bgn_cfg = {
	.name = "1000 Series BGN",
	.fw_name_pre = IWL1000_FW_PRE,
	.ucode_api_max = IWL1000_UCODE_API_MAX,
	.ucode_api_min = IWL1000_UCODE_API_MIN,
	.sku = IWL_SKU_G|IWL_SKU_N,
	.ops = &iwl1000_ops,
	.eeprom_size = OTP_LOW_IMAGE_SIZE,
	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
	.num_of_queues = IWL50_NUM_QUEUES,
	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
	.mod_params = &iwl50_mod_params,
	.valid_tx_ant = ANT_A,
	.valid_rx_ant = ANT_AB,
	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
	.set_l0s = true,
	.use_bsm = false,
	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
	.shadow_ram_support = false,
	.ht_greenfield_support = true,
	.led_compensation = 51,
	.use_rts_for_ht = true, /* use rts/cts protection */
	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
	.support_ct_kill_exit = true,
	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
};

struct iwl_cfg iwl1000_bg_cfg = {
	.name = "1000 Series BG",
	.fw_name_pre = IWL1000_FW_PRE,
	.ucode_api_max = IWL1000_UCODE_API_MAX,
	.ucode_api_min = IWL1000_UCODE_API_MIN,
	.sku = IWL_SKU_G,
	.ops = &iwl1000_ops,
	.eeprom_size = OTP_LOW_IMAGE_SIZE,
	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
	.num_of_queues = IWL50_NUM_QUEUES,
	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
	.mod_params = &iwl50_mod_params,
	.valid_tx_ant = ANT_A,
	.valid_rx_ant = ANT_AB,
	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
	.set_l0s = true,
	.use_bsm = false,
	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
	.shadow_ram_support = false,
	.ht_greenfield_support = true,
	.led_compensation = 51,
	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
	.support_ct_kill_exit = true,
	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
};

MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));
Commit	Line	Data
c5d05698 JS	1	/******************************************************************************
c5d05698 JS	2	*
1f447808	3	* Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
c5d05698 JS	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 Linux Wireless <[email protected]>
	23	* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
	24	*
	25	*****************************************************************************/
	26
	27	#include <linux/kernel.h>
	28	#include <linux/module.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-dev.h"
	42	#include "iwl-core.h"
	43	#include "iwl-io.h"
	44	#include "iwl-sta.h"
	45	#include "iwl-helpers.h"
	46	#include "iwl-5000-hw.h"
e932a609	47	#include "iwl-agn-led.h"
c5d05698 JS	48
c5d05698 JS	49	/* Highest firmware API version supported */
cce53aa3	50	#define IWL1000_UCODE_API_MAX 3
c5d05698 JS	51
c5d05698 JS	52	/* Lowest firmware API version supported */
77dcb6a9	53	#define IWL1000_UCODE_API_MIN 1
c5d05698	54
77dcb6a9 JS	55	#define IWL1000_FW_PRE "iwlwifi-1000-"
	56	#define _IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode"
	57	#define IWL1000_MODULE_FIRMWARE(api) _IWL1000_MODULE_FIRMWARE(api)
c5d05698	58
672639de WYG	59
	60	/*
	61	* For 1000, use advance thermal throttling critical temperature threshold,
	62	* but legacy thermal management implementation for now.
	63	* This is for the reason of 1000 uCode using advance thermal throttling API
	64	* but not implement ct_kill_exit based on ct_kill exit temperature
	65	* so the thermal throttling will still based on legacy thermal throttling
	66	* management.
	67	* The code here need to be modified once 1000 uCode has the advanced thermal
	68	* throttling algorithm in place
	69	*/
	70	static void iwl1000_set_ct_threshold(struct iwl_priv *priv)
	71	{
	72	/* want Celsius */
	73	priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY;
	74	priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
	75	}
	76
65b7998a WYG	77	/* NIC configuration for 1000 series */
	78	static void iwl1000_nic_config(struct iwl_priv *priv)
	79	{
9371d4ed WYG	80	/* set CSR_HW_CONFIG_REG for uCode use */
	81	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
	82	CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI \|
	83	CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
65b7998a WYG	84
	85	/* Setting digital SVR for 1000 card to 1.32V */
	86	/* locking is acquired in iwl_set_bits_mask_prph() function */
	87	iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
	88	APMG_SVR_DIGITAL_VOLTAGE_1_32,
	89	~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
	90	}
	91
672639de WYG	92	static struct iwl_lib_ops iwl1000_lib = {
	93	.set_hw_params = iwl5000_hw_set_hw_params,
	94	.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
	95	.txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
	96	.txq_set_sched = iwl5000_txq_set_sched,
	97	.txq_agg_enable = iwl5000_txq_agg_enable,
	98	.txq_agg_disable = iwl5000_txq_agg_disable,
	99	.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
	100	.txq_free_tfd = iwl_hw_txq_free_tfd,
	101	.txq_init = iwl_hw_tx_queue_init,
	102	.rx_handler_setup = iwl5000_rx_handler_setup,
	103	.setup_deferred_work = iwl5000_setup_deferred_work,
	104	.is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
	105	.load_ucode = iwl5000_load_ucode,
b7a79404 RC	106	.dump_nic_event_log = iwl_dump_nic_event_log,
b7a79404 RC	107	.dump_nic_error_log = iwl_dump_nic_error_log,
696bdee3	108	.dump_csr = iwl_dump_csr,
1b3eb823	109	.dump_fh = iwl_dump_fh,
672639de WYG	110	.init_alive_start = iwl5000_init_alive_start,
	111	.alive_notify = iwl5000_alive_notify,
	112	.send_tx_power = iwl5000_send_tx_power,
	113	.update_chain_flags = iwl_update_chain_flags,
	114	.apm_ops = {
fadb3582	115	.init = iwl_apm_init,
d68b603c	116	.stop = iwl_apm_stop,
65b7998a	117	.config = iwl1000_nic_config,
672639de WYG	118	.set_pwr_src = iwl_set_pwr_src,
	119	},
	120	.eeprom_ops = {
	121	.regulatory_bands = {
	122	EEPROM_5000_REG_BAND_1_CHANNELS,
	123	EEPROM_5000_REG_BAND_2_CHANNELS,
	124	EEPROM_5000_REG_BAND_3_CHANNELS,
	125	EEPROM_5000_REG_BAND_4_CHANNELS,
	126	EEPROM_5000_REG_BAND_5_CHANNELS,
7aafef1c WYG	127	EEPROM_5000_REG_BAND_24_HT40_CHANNELS,
7aafef1c WYG	128	EEPROM_5000_REG_BAND_52_HT40_CHANNELS
672639de WYG	129	},
	130	.verify_signature = iwlcore_eeprom_verify_signature,
	131	.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
	132	.release_semaphore = iwlcore_eeprom_release_semaphore,
	133	.calib_version = iwl5000_eeprom_calib_version,
	134	.query_addr = iwl5000_eeprom_query_addr,
	135	},
	136	.post_associate = iwl_post_associate,
	137	.isr = iwl_isr_ict,
	138	.config_ap = iwl_config_ap,
	139	.temp_ops = {
	140	.temperature = iwl5000_temperature,
	141	.set_ct_kill = iwl1000_set_ct_threshold,
	142	},
	143	};
	144
45d5d805	145	static const struct iwl_ops iwl1000_ops = {
f7ea097d	146	.ucode = &iwl5000_ucode,
672639de WYG	147	.lib = &iwl1000_lib,
	148	.hcmd = &iwl5000_hcmd,
	149	.utils = &iwl5000_hcmd_utils,
e932a609	150	.led = &iwlagn_led_ops,
672639de WYG	151	};
672639de WYG	152
77dcb6a9 JS	153	struct iwl_cfg iwl1000_bgn_cfg = {
	154	.name = "1000 Series BGN",
	155	.fw_name_pre = IWL1000_FW_PRE,
	156	.ucode_api_max = IWL1000_UCODE_API_MAX,
	157	.ucode_api_min = IWL1000_UCODE_API_MIN,
c5d05698	158	.sku = IWL_SKU_G\|IWL_SKU_N,
672639de	159	.ops = &iwl1000_ops,
415e4993	160	.eeprom_size = OTP_LOW_IMAGE_SIZE,
1f4b9665	161	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
c5d05698	162	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
88804e2b WYG	163	.num_of_queues = IWL50_NUM_QUEUES,
88804e2b WYG	164	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
c5d05698	165	.mod_params = &iwl50_mod_params,
c0bac76a JS	166	.valid_tx_ant = ANT_A,
c0bac76a JS	167	.valid_rx_ant = ANT_AB,
fadb3582	168	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
a6c5c731	169	.set_l0s = true,
fadb3582	170	.use_bsm = false,
415e4993 WYG	171	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
415e4993 WYG	172	.shadow_ram_support = false,
b261793d	173	.ht_greenfield_support = true,
f2d0d0e2	174	.led_compensation = 51,
ddd21046	175	.use_rts_for_ht = true, /* use rts/cts protection */
d8c07e7a	176	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
480e8407	177	.support_ct_kill_exit = true,
3e4fb5fa	178	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
c5d05698 JS	179	};
c5d05698 JS	180
4bd0914f WYG	181	struct iwl_cfg iwl1000_bg_cfg = {
	182	.name = "1000 Series BG",
	183	.fw_name_pre = IWL1000_FW_PRE,
	184	.ucode_api_max = IWL1000_UCODE_API_MAX,
	185	.ucode_api_min = IWL1000_UCODE_API_MIN,
	186	.sku = IWL_SKU_G,
	187	.ops = &iwl1000_ops,
	188	.eeprom_size = OTP_LOW_IMAGE_SIZE,
	189	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
	190	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
88804e2b WYG	191	.num_of_queues = IWL50_NUM_QUEUES,
88804e2b WYG	192	.num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
4bd0914f WYG	193	.mod_params = &iwl50_mod_params,
	194	.valid_tx_ant = ANT_A,
	195	.valid_rx_ant = ANT_AB,
fadb3582	196	.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
a6c5c731	197	.set_l0s = true,
fadb3582	198	.use_bsm = false,
4bd0914f WYG	199	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
	200	.shadow_ram_support = false,
	201	.ht_greenfield_support = true,
	202	.led_compensation = 51,
d8c07e7a	203	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
480e8407	204	.support_ct_kill_exit = true,
3e4fb5fa	205	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
4bd0914f WYG	206	};
4bd0914f WYG	207
9554b34a	208	MODULE_FIRMWARE(IWL1000_MODULE_FIRMWARE(IWL1000_UCODE_API_MAX));