diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-led.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-led.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-led.c b/drivers/net/wireless/iwlwifi/iwl-agn-led.c new file mode 100644 index 000000000000..3bccba20f6da --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-agn-led.c @@ -0,0 +1,85 @@ +/****************************************************************************** + * + * Copyright(c) 2003 - 2009 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 <ilw@linux.intel.com> + * 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-commands.h" +#include "iwl-dev.h" +#include "iwl-core.h" +#include "iwl-io.h" +#include "iwl-agn-led.h" + +/* Send led command */ +static int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd) +{ + struct iwl_host_cmd cmd = { + .id = REPLY_LEDS_CMD, + .len = sizeof(struct iwl_led_cmd), + .data = led_cmd, + .flags = CMD_ASYNC, + .callback = NULL, + }; + u32 reg; + + reg = iwl_read32(priv, CSR_LED_REG); + if (reg != (reg & CSR_LED_BSM_CTRL_MSK)) + iwl_write32(priv, CSR_LED_REG, reg & CSR_LED_BSM_CTRL_MSK); + + return iwl_send_cmd(priv, &cmd); +} + +/* Set led register off */ +static int iwl_led_on_reg(struct iwl_priv *priv) +{ + IWL_DEBUG_LED(priv, "led on\n"); + iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_ON); + return 0; +} + +/* Set led register off */ +static int iwl_led_off_reg(struct iwl_priv *priv) +{ + IWL_DEBUG_LED(priv, "LED Reg off\n"); + iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_OFF); + return 0; +} + +const struct iwl_led_ops iwlagn_led_ops = { + .cmd = iwl_send_led_cmd, + .on = iwl_led_on_reg, + .off = iwl_led_off_reg, +}; |