From 7478968671b7481ba4be25306dd40b43e7ff3234 Mon Sep 17 00:00:00 2001 From: xbw Date: Wed, 14 Mar 2012 10:49:22 +0800 Subject: [PATCH] add the sdmmc module configure --- arch/arm/mach-rk30/board-rk30-sdk-sdmmc.c | 404 ++++++++++++++++++++++ 1 file changed, 404 insertions(+) create mode 100644 arch/arm/mach-rk30/board-rk30-sdk-sdmmc.c diff --git a/arch/arm/mach-rk30/board-rk30-sdk-sdmmc.c b/arch/arm/mach-rk30/board-rk30-sdk-sdmmc.c new file mode 100644 index 000000000000..729ab474071e --- /dev/null +++ b/arch/arm/mach-rk30/board-rk30-sdk-sdmmc.c @@ -0,0 +1,404 @@ +/* arch/arm/mach-rk30/board-rk30-sdk-sdmmc.c + * + * Copyright (C) 2012 ROCKCHIP, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + * + */ + +#ifdef CONFIG_SDMMC_RK29 + +#if !defined(CONFIG_SDMMC_RK29_OLD) +static void rk29_sdmmc_gpio_open(int device_id, int on) +{ + switch(device_id) + { + case 0://mmc0 + { + #ifdef CONFIG_SDMMC0_RK29 + if(on) + { + gpio_direction_output(GPIO3B_GPIO3B0,GPIO_HIGH);//set mmc0-clk to high + gpio_direction_output(GPIO3B_GPIO3B1,GPIO_HIGH);// set mmc0-cmd to high. + gpio_direction_output(GPIO3B_GPIO3B2,GPIO_HIGH);//set mmc0-data0 to high. + gpio_direction_output(GPIO3B_GPIO3B3,GPIO_HIGH);//set mmc0-data1 to high. + gpio_direction_output(GPIO3B_GPIO3B4,GPIO_HIGH);//set mmc0-data2 to high. + gpio_direction_output(GPIO3B_GPIO3B5,GPIO_HIGH);//set mmc0-data3 to high. + + mdelay(30); + } + else + { + rk30_mux_api_set(GPIO3B0_SDMMC0CLKOUT_NAME, GPIO3B_GPIO3B0); + gpio_request(RK30_PIN3_PB0, "mmc0-clk"); + gpio_direction_output(RK30_PIN3_PB0,GPIO_LOW);//set mmc0-clk to low. + + rk30_mux_api_set(GPIO3B1_SDMMC0CMD_NAME, GPIO3B_GPIO3B1); + gpio_request(RK30_PIN3_PB1, "mmc0-cmd"); + gpio_direction_output(RK30_PIN3_PB1,GPIO_LOW);//set mmc0-cmd to low. + + rk30_mux_api_set(GPIO3B2_SDMMC0DATA0_NAME, GPIO3B_GPIO3B2); + gpio_request(RK30_PIN3_PB2, "mmc0-data0"); + gpio_direction_output(RK30_PIN3_PB2,GPIO_LOW);//set mmc0-data0 to low. + + rk30_mux_api_set(GPIO3B3_SDMMC0DATA1_NAME, GPIO3B_GPIO3B3); + gpio_request(RK30_PIN3_PB3, "mmc0-data1"); + gpio_direction_output(RK30_PIN3_PB3,GPIO_LOW);//set mmc0-data1 to low. + + rk30_mux_api_set(GPIO3B4_SDMMC0DATA2_NAME, GPIO3B_GPIO3B4); + gpio_request(RK30_PIN3_PB4, "mmc0-data2"); + gpio_direction_output(RK30_PIN3_PB4,GPIO_LOW);//set mmc0-data2 to low. + + rk30_mux_api_set(GPIO3B5_SDMMC0DATA3_NAME, GPIO3B_GPIO3B5); + gpio_request(RK30_PIN3_PB5, "mmc0-data3"); + gpio_direction_output(RK30_PIN3_PB5,GPIO_LOW);//set mmc0-data3 to low. + + mdelay(30); + } + #endif + } + break; + + case 1://mmc1 + { + #ifdef CONFIG_SDMMC1_RK29 + if(on) + { + gpio_direction_output(RK30_PIN3_PC5,GPIO_HIGH);//set mmc1-clk to high + gpio_direction_output(RK30_PIN3_PC0,GPIO_HIGH);//set mmc1-cmd to high. + gpio_direction_output(RK30_PIN3_PC1,GPIO_HIGH);//set mmc1-data0 to high. + gpio_direction_output(RK30_PIN3_PC2,GPIO_HIGH);//set mmc1-data1 to high. + gpio_direction_output(RK30_PIN3_PC3,GPIO_HIGH);//set mmc1-data2 to high. + gpio_direction_output(RK30_PIN3_PC5,GPIO_HIGH);//set mmc1-data3 to high. + mdelay(100); + } + else + { + rk30_mux_api_set(GPIO3C5_SDMMC1CLKOUT_NAME, GPIO3C_GPIO3C5); + gpio_request(RK30_PIN3_PC5, "mmc1-clk"); + gpio_direction_output(RK30_PIN3_PC5,GPIO_LOW);//set mmc1-clk to low. + + rk30_mux_api_set(GPIO3C0_SMMC1CMD_NAME, GPIO3C_GPIO3C0); + gpio_request(RK30_PIN3_PC0, "mmc1-cmd"); + gpio_direction_output(RK30_PIN3_PC0,GPIO_LOW);//set mmc1-cmd to low. + + rk30_mux_api_set(GPIO3C1_SDMMC1DATA0_NAME, GPIO3C_GPIO3C1); + gpio_request(RK30_PIN3_PC1, "mmc1-data0"); + gpio_direction_output(RK30_PIN3_PC1,GPIO_LOW);//set mmc1-data0 to low. + + mdelay(100); + } + #endif + } + break; + + case 2: //mmc2 + break; + + default: + break; + } +} + +static void rk29_sdmmc_set_iomux_mmc0(unsigned int bus_width) +{ + switch (bus_width) + { + + case 1://SDMMC_CTYPE_4BIT: + { + rk30_mux_api_set(GPIO3B3_SDMMC0DATA1_NAME, GPIO3B_SDMMC0_DATA1); + rk30_mux_api_set(GPIO3B4_SDMMC0DATA2_NAME, GPIO3B_SDMMC0_DATA2); + rk30_mux_api_set(GPIO3B5_SDMMC0DATA3_NAME, GPIO3B_SDMMC0_DATA3); + } + break; + + case 0x10000://SDMMC_CTYPE_8BIT: + break; + case 0xFFFF: //gpio_reset + { + rk30_mux_api_set(GPIO3A7_SDMMC0PWREN_NAME, GPIO3A_GPIO3A7); + gpio_request(RK30_PIN3_PA7,"sdmmc-power"); + gpio_direction_output(RK30_PIN3_PA7,GPIO_HIGH); //power-off + + rk29_sdmmc_gpio_open(0, 0); + + gpio_direction_output(RK30_PIN3_PA7,GPIO_LOW); //power-on + + rk29_sdmmc_gpio_open(0, 1); + } + break; + + default: //case 0://SDMMC_CTYPE_1BIT: + { + rk30_mux_api_set(GPIO3B1_SDMMC0CMD_NAME, GPIO3B_SDMMC0_CMD); + rk30_mux_api_set(GPIO3B0_SDMMC0CLKOUT_NAME, GPIO3B_SDMMC0_CLKOUT); + rk30_mux_api_set(GPIO3B2_SDMMC0DATA0_NAME, GPIO3B_SDMMC0_DATA0); + + rk30_mux_api_set(GPIO3B3_SDMMC0DATA1_NAME, GPIO3B_GPIO3B3); + gpio_request(RK30_PIN3_PB3, "mmc0-data1"); + gpio_direction_output(RK30_PIN3_PB3,GPIO_HIGH);//set mmc0-data1 to high. + + rk30_mux_api_set(GPIO3B4_SDMMC0DATA2_NAME, GPIO3B_GPIO3B4); + gpio_request(RK30_PIN3_PB4, "mmc0-data2"); + gpio_direction_output(RK30_PIN3_PB4,GPIO_HIGH);//set mmc0-data2 to high. + + rk30_mux_api_set(GPIO3B5_SDMMC0DATA3_NAME, GPIO3B_GPIO3B5); + gpio_request(RK30_PIN3_PB5, "mmc0-data3"); + gpio_direction_output(RK30_PIN3_PB5,GPIO_HIGH);//set mmc0-data3 to high. + } + break; + } +} + +static void rk29_sdmmc_set_iomux_mmc1(unsigned int bus_width) +{ + rk30_mux_api_set(GPIO3C0_SMMC1CMD_NAME, GPIO3C_SMMC1_CMD); + rk30_mux_api_set(GPIO3C5_SDMMC1CLKOUT_NAME, GPIO3C_SDMMC1_CLKOUT); + rk30_mux_api_set(GPIO3C1_SDMMC1DATA0_NAME, GPIO3C_SDMMC1_DATA0); + rk30_mux_api_set(GPIO3C2_SDMMC1DATA1_NAME, GPIO3C_SDMMC1_DATA1); + rk30_mux_api_set(GPIO3C3_SDMMC1DATA2_NAME, GPIO3C_SDMMC1_DATA2); + rk30_mux_api_set(GPIO3C4_SDMMC1DATA3_NAME, GPIO3C_SDMMC1_DATA3); +} + +static void rk29_sdmmc_set_iomux_mmc2(unsigned int bus_width) +{ + ;// +} + +static void rk29_sdmmc_set_iomux(int device_id, unsigned int bus_width) +{ + switch(device_id) + { + case 0: + #ifdef CONFIG_SDMMC0_RK29 + rk29_sdmmc_set_iomux_mmc0(bus_width); + #endif + break; + case 1: + #ifdef CONFIG_SDMMC1_RK29 + rk29_sdmmc_set_iomux_mmc1(bus_width); + #endif + break; + case 2: + rk29_sdmmc_set_iomux_mmc2(bus_width); + break; + default: + break; + } +} + +#endif + + +int rk29sdk_wifi_power_state = 0; +int rk29sdk_bt_power_state = 0; + +#ifdef CONFIG_WIFI_CONTROL_FUNC +#define RK29SDK_WIFI_BT_GPIO_POWER_N RK30_PIN3_PD0 +#define RK29SDK_WIFI_GPIO_RESET_N RK30_PIN3_PD2 +#define RK29SDK_BT_GPIO_RESET_N RK30_PIN3_PD1 + +static int rk29sdk_wifi_cd = 0; /* wifi virtual 'card detect' status */ +static void (*wifi_status_cb)(int card_present, void *dev_id); +static void *wifi_status_cb_devid; + +static int rk29sdk_wifi_status(struct device *dev) +{ + return rk29sdk_wifi_cd; +} + +static int rk29sdk_wifi_status_register(void (*callback)(int card_present, void *dev_id), void *dev_id) +{ + if(wifi_status_cb) + return -EAGAIN; + wifi_status_cb = callback; + wifi_status_cb_devid = dev_id; + return 0; +} + +static int rk29sdk_wifi_bt_gpio_control_init(void) +{ + if (gpio_request(RK29SDK_WIFI_BT_GPIO_POWER_N, "wifi_bt_power")) { + pr_info("%s: request wifi_bt power gpio failed\n", __func__); + return -1; + } + + if (gpio_request(RK29SDK_WIFI_GPIO_RESET_N, "wifi reset")) { + pr_info("%s: request wifi reset gpio failed\n", __func__); + gpio_free(RK29SDK_WIFI_BT_GPIO_POWER_N); + return -1; + } + + if (gpio_request(RK29SDK_BT_GPIO_RESET_N, "bt reset")) { + pr_info("%s: request bt reset gpio failed\n", __func__); + gpio_free(RK29SDK_WIFI_GPIO_RESET_N); + return -1; + } + + gpio_direction_output(RK29SDK_WIFI_BT_GPIO_POWER_N, GPIO_LOW); + gpio_direction_output(RK29SDK_WIFI_GPIO_RESET_N, GPIO_LOW); + gpio_direction_output(RK29SDK_BT_GPIO_RESET_N, GPIO_LOW); + + #if defined(CONFIG_SDMMC1_RK29) && !defined(CONFIG_SDMMC_RK29_OLD) + + rk29_mux_api_set(GPIO3C2_SDMMC1DATA1_NAME, GPIO3C_GPIO3C2); + gpio_request(RK30_PIN3_PC2, "mmc1-data1"); + gpio_direction_output(RK30_PIN3_PC2,GPIO_LOW);//set mmc1-data1 to low. + + rk29_mux_api_set(GPIO3C3_SDMMC1DATA2_NAME, GPIO3C_GPIO3C3); + gpio_request(RK30_PIN3_PC3, "mmc1-data2"); + gpio_direction_output(RK30_PIN3_PC3,GPIO_LOW);//set mmc1-data2 to low. + + rk29_mux_api_set(GPIO3C4_SDMMC1DATA3_NAME, GPIO3C_GPIO3C4); + gpio_request(RK30_PIN3_PC4, "mmc1-data3"); + gpio_direction_output(RK30_PIN3_PC4,GPIO_LOW);//set mmc1-data3 to low. + + rk29_sdmmc_gpio_open(1, 0); //added by xbw at 2011-10-13 + #endif + pr_info("%s: init finished\n",__func__); + + return 0; +} + +static int rk29sdk_wifi_power(int on) +{ + pr_info("%s: %d\n", __func__, on); + if (on){ + gpio_set_value(RK29SDK_WIFI_BT_GPIO_POWER_N, GPIO_HIGH); + + #if defined(CONFIG_SDMMC1_RK29) && !defined(CONFIG_SDMMC_RK29_OLD) + rk29_sdmmc_gpio_open(1, 1); //added by xbw at 2011-10-13 + #endif + + gpio_set_value(RK29SDK_WIFI_GPIO_RESET_N, GPIO_HIGH); + mdelay(100); + pr_info("wifi turn on power\n"); + }else{ + if (!rk29sdk_bt_power_state){ + gpio_set_value(RK29SDK_WIFI_BT_GPIO_POWER_N, GPIO_LOW); + + #if defined(CONFIG_SDMMC1_RK29) && !defined(CONFIG_SDMMC_RK29_OLD) + rk29_sdmmc_gpio_open(1, 0); //added by xbw at 2011-10-13 + #endif + + mdelay(100); + pr_info("wifi shut off power\n"); + }else + { + pr_info("wifi shouldn't shut off power, bt is using it!\n"); + } + gpio_set_value(RK29SDK_WIFI_GPIO_RESET_N, GPIO_LOW); + + } + + rk29sdk_wifi_power_state = on; + return 0; +} + +static int rk29sdk_wifi_reset_state; +static int rk29sdk_wifi_reset(int on) +{ + pr_info("%s: %d\n", __func__, on); + gpio_set_value(RK29SDK_WIFI_GPIO_RESET_N, on); + mdelay(100); + rk29sdk_wifi_reset_state = on; + return 0; +} + +int rk29sdk_wifi_set_carddetect(int val) +{ + pr_info("%s:%d\n", __func__, val); + rk29sdk_wifi_cd = val; + if (wifi_status_cb){ + wifi_status_cb(val, wifi_status_cb_devid); + }else { + pr_warning("%s, nobody to notify\n", __func__); + } + return 0; +} +EXPORT_SYMBOL(rk29sdk_wifi_set_carddetect); + +static struct wifi_mem_prealloc wifi_mem_array[PREALLOC_WLAN_SEC_NUM] = { + {NULL, (WLAN_SECTION_SIZE_0 + PREALLOC_WLAN_SECTION_HEADER)}, + {NULL, (WLAN_SECTION_SIZE_1 + PREALLOC_WLAN_SECTION_HEADER)}, + {NULL, (WLAN_SECTION_SIZE_2 + PREALLOC_WLAN_SECTION_HEADER)}, + {NULL, (WLAN_SECTION_SIZE_3 + PREALLOC_WLAN_SECTION_HEADER)} +}; + +static void *rk29sdk_mem_prealloc(int section, unsigned long size) +{ + if (section == PREALLOC_WLAN_SEC_NUM) + return wlan_static_skb; + + if ((section < 0) || (section > PREALLOC_WLAN_SEC_NUM)) + return NULL; + + if (wifi_mem_array[section].size < size) + return NULL; + + return wifi_mem_array[section].mem_ptr; +} + +int __init rk29sdk_init_wifi_mem(void) +{ + int i; + int j; + + for (i = 0 ; i < WLAN_SKB_BUF_NUM ; i++) { + wlan_static_skb[i] = dev_alloc_skb( + ((i < (WLAN_SKB_BUF_NUM / 2)) ? 4096 : 8192)); + + if (!wlan_static_skb[i]) + goto err_skb_alloc; + } + + for (i = 0 ; i < PREALLOC_WLAN_SEC_NUM ; i++) { + wifi_mem_array[i].mem_ptr = + kmalloc(wifi_mem_array[i].size, GFP_KERNEL); + + if (!wifi_mem_array[i].mem_ptr) + goto err_mem_alloc; + } + return 0; + +err_mem_alloc: + pr_err("Failed to mem_alloc for WLAN\n"); + for (j = 0 ; j < i ; j++) + kfree(wifi_mem_array[j].mem_ptr); + + i = WLAN_SKB_BUF_NUM; + +err_skb_alloc: + pr_err("Failed to skb_alloc for WLAN\n"); + for (j = 0 ; j < i ; j++) + dev_kfree_skb(wlan_static_skb[j]); + + return -ENOMEM; +} + +static struct wifi_platform_data rk29sdk_wifi_control = { + .set_power = rk29sdk_wifi_power, + .set_reset = rk29sdk_wifi_reset, + .set_carddetect = rk29sdk_wifi_set_carddetect, + .mem_prealloc = rk29sdk_mem_prealloc, +}; +static struct platform_device rk29sdk_wifi_device = { + .name = "bcm4329_wlan", + .id = 1, + .dev = { + .platform_data = &rk29sdk_wifi_control, + }, +}; +#endif + + +#endif // endif --#ifdef CONFIG_SDMMC_RK29 + -- 2.34.1