diff options
Diffstat (limited to 'recipes/linux/linux-replicant/htcdream/msm_wifi.patch')
| -rw-r--r-- | recipes/linux/linux-replicant/htcdream/msm_wifi.patch | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/recipes/linux/linux-replicant/htcdream/msm_wifi.patch b/recipes/linux/linux-replicant/htcdream/msm_wifi.patch new file mode 100644 index 0000000000..d172e10259 --- /dev/null +++ b/recipes/linux/linux-replicant/htcdream/msm_wifi.patch @@ -0,0 +1,136 @@ +From a96d158a5e2e8d0f6dc73e0d5ae90c6c02b78fef Mon Sep 17 00:00:00 2001 +From: Bob Copeland <me@bobcopeland.com> +Date: Sun, 7 Jun 2009 16:31:23 -0400 +Subject: [PATCH] msm: add platform driver for sdio-based wifi + +Add a platform device driver for the msm_wifi platform device. The +driver initializes the gpios to power the device for subsequent +probing by the SDIO bus. + +Signed-off-by: Bob Copeland <me@bobcopeland.com> +--- + arch/arm/mach-msm/Kconfig | 5 ++ + arch/arm/mach-msm/Makefile | 2 + + arch/arm/mach-msm/msm_wifi.c | 84 ++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 91 insertions(+), 0 deletions(-) + create mode 100644 arch/arm/mach-msm/msm_wifi.c + +diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig +index 176cb73..74be8cd 100644 +--- a/arch/arm/mach-msm/Kconfig ++++ b/arch/arm/mach-msm/Kconfig +@@ -78,6 +78,11 @@ config TROUT_BATTCHG + default y + bool "Trout battery / charger driver" + ++config TROUT_WIFI ++ depends on ARCH_MSM ++ default m ++ tristate "Trout Wifi Gpio driver (rfkill)" ++ + config HTC_PWRSINK + depends on MSM_SMD + default y +diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile +index 9371f99..fb9954a 100644 +--- a/arch/arm/mach-msm/Makefile ++++ b/arch/arm/mach-msm/Makefile +@@ -36,3 +36,5 @@ obj-$(CONFIG_TROUT_BATTCHG) += htc_battery.o + + obj-$(CONFIG_HTC_PWRSINK) += htc_pwrsink.o + obj-$(CONFIG_HTC_HEADSET) += htc_headset.o ++ ++obj-$(CONFIG_TROUT_WIFI) += msm_wifi.o +diff --git a/arch/arm/mach-msm/msm_wifi.c b/arch/arm/mach-msm/msm_wifi.c +new file mode 100644 +index 0000000..501ed45 +--- /dev/null ++++ b/arch/arm/mach-msm/msm_wifi.c +@@ -0,0 +1,84 @@ ++/* ++ * platform driver for msm_wifi device ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 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 St, Fifth Floor, Boston, MA ++ * 02110-1301 USA ++ * ++ * Copyright (C) 2008 Google Inc ++ */ ++#include <linux/platform_device.h> ++#include <linux/wifi_tiwlan.h> ++ ++static int wifi_probe(struct platform_device *pdev) ++{ ++ struct wifi_platform_data *wifi_ctrl = ++ (struct wifi_platform_data *)(pdev->dev.platform_data); ++ ++ printk(KERN_DEBUG "wifi probe start\n"); ++ ++ if (!wifi_ctrl) ++ return -ENODEV; ++ ++ if (wifi_ctrl->set_power) ++ wifi_ctrl->set_power(1); /* Power On */ ++ if (wifi_ctrl->set_reset) ++ wifi_ctrl->set_reset(0); /* Reset clear */ ++ if (wifi_ctrl->set_carddetect) ++ wifi_ctrl->set_carddetect(1); /* CardDetect (0->1) */ ++ ++ printk(KERN_DEBUG "wifi probe done\n"); ++ return 0; ++} ++ ++static int wifi_remove(struct platform_device *pdev) ++{ ++ struct wifi_platform_data *wifi_ctrl = ++ (struct wifi_platform_data *)(pdev->dev.platform_data); ++ ++ printk(KERN_DEBUG "wifi remove start\n"); ++ if (!wifi_ctrl) ++ return -ENODEV; ++ ++ if (wifi_ctrl->set_carddetect) ++ wifi_ctrl->set_carddetect(0); /* CardDetect (1->0) */ ++ if (wifi_ctrl->set_reset) ++ wifi_ctrl->set_reset(1); /* Reset active */ ++ if (wifi_ctrl->set_power) ++ wifi_ctrl->set_power(0); /* Power Off */ ++ ++ printk(KERN_DEBUG "wifi remove end\n"); ++ return 0; ++} ++ ++static struct platform_driver wifi_device = { ++ .probe = wifi_probe, ++ .remove = wifi_remove, ++ .driver = { ++ .name = "msm_wifi", ++ }, ++}; ++ ++static int __init msm_wifi_sdio_init(void) ++{ ++ return platform_driver_register(&wifi_device); ++} ++ ++static void __exit msm_wifi_sdio_exit(void) ++{ ++ platform_driver_unregister(&wifi_device); ++} ++ ++module_init(msm_wifi_sdio_init); ++module_exit(msm_wifi_sdio_exit); ++MODULE_LICENSE("GPL"); +-- +1.6.2.5 + |