+++ /dev/null
-/*
- *
- * 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(RK30_PIN3_PA2,GPIO_HIGH);//set mmc0-clk to high
- gpio_direction_output(RK30_PIN3_PA3,GPIO_HIGH);// set mmc0-cmd to high.
- gpio_direction_output(RK30_PIN3_PA4,GPIO_HIGH);//set mmc0-data0 to high.
- gpio_direction_output(RK30_PIN3_PA5,GPIO_HIGH);//set mmc0-data1 to high.
- gpio_direction_output(RK30_PIN3_PA6,GPIO_HIGH);//set mmc0-data2 to high.
- gpio_direction_output(RK30_PIN3_PA7,GPIO_HIGH);//set mmc0-data3 to high.
- mdelay(30);
- }
- else
- {
- rk30_mux_api_set(GPIO3A2_SDMMC0CLKOUT_NAME, GPIO3A_GPIO3A2);
- gpio_request(RK30_PIN3_PA2, "mmc0-clk");
- gpio_direction_output(RK30_PIN3_PA2,GPIO_LOW);//set mmc0-clk to low.
-
- rk30_mux_api_set(GPIO3A3_SDMMC0CMD_NAME, GPIO3A_GPIO3A3);
- gpio_request(RK30_PIN3_PA3, "mmc0-cmd");
- gpio_direction_output(RK30_PIN3_PA3,GPIO_LOW);//set mmc0-cmd to low.
-
- rk30_mux_api_set(GPIO3A4_SDMMC0DATA0_NAME, GPIO3A_GPIO3A4);
- gpio_request(RK30_PIN3_PA4, "mmc0-data0");
- gpio_direction_output(RK30_PIN3_PA4,GPIO_LOW);//set mmc0-data0 to low.
-
- rk30_mux_api_set(GPIO3A5_SDMMC0DATA1_NAME, GPIO3A_GPIO3A5);
- gpio_request(RK30_PIN3_PA5, "mmc0-data1");
- gpio_direction_output(RK30_PIN3_PA5,GPIO_LOW);//set mmc0-data1 to low.
-
- rk30_mux_api_set(GPIO3A6_SDMMC0DATA2_NAME, GPIO3A_GPIO3A6);
- gpio_request(RK30_PIN3_PA6, "mmc0-data2");
- gpio_direction_output(RK30_PIN3_PA6,GPIO_LOW);//set mmc0-data2 to low.
-
- rk30_mux_api_set(GPIO3A7_SDMMC0DATA3_NAME, GPIO3A_GPIO3A7);
- gpio_request(RK30_PIN3_PA7, "mmc0-data3");
- gpio_direction_output(RK30_PIN3_PA7,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_PC4,GPIO_HIGH);//set mmc1-data3 to high.
- mdelay(100);
- }
- else
- {
- rk30_mux_api_set(GPIO3C5_SDMMC1CLKOUT_RMIICLKOUT_RMIICLKIN_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_SDMMC1CMD_RMIITXEN_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_RMIITXD1_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(GPIO3A5_SDMMC0DATA1_NAME, GPIO3A_SDMMC0DATA1);
- rk30_mux_api_set(GPIO3A6_SDMMC0DATA2_NAME, GPIO3A_SDMMC0DATA2);
- rk30_mux_api_set(GPIO3A7_SDMMC0DATA3_NAME, GPIO3A_SDMMC0DATA3);
- }
- break;
-
- case 0x10000://SDMMC_CTYPE_8BIT:
- break;
- case 0xFFFF: //gpio_reset
- {
- rk30_mux_api_set(GPIO3A1_SDMMC0PWREN_NAME, GPIO3A_GPIO3A1);
- gpio_request(RK30_PIN3_PA1,"sdmmc-power");
- gpio_direction_output(RK30_PIN3_PA1,GPIO_HIGH); //power-off
-
- rk29_sdmmc_gpio_open(0, 0);
-
- gpio_direction_output(RK30_PIN3_PA1,GPIO_LOW); //power-on
-
- rk29_sdmmc_gpio_open(0, 1);
- }
- break;
-
- default: //case 0://SDMMC_CTYPE_1BIT:
- {
- rk30_mux_api_set(GPIO3A3_SDMMC0CMD_NAME, GPIO3A_SDMMC0CMD);
- rk30_mux_api_set(GPIO3A2_SDMMC0CLKOUT_NAME, GPIO3A_SDMMC0CLKOUT);
- rk30_mux_api_set(GPIO3A4_SDMMC0DATA0_NAME, GPIO3A_SDMMC0DATA0);
-
- rk30_mux_api_set(GPIO3A5_SDMMC0DATA1_NAME, GPIO3A_GPIO3A5);
- gpio_request(RK30_PIN3_PA5, "mmc0-data1");
- gpio_direction_output(RK30_PIN3_PA5,GPIO_HIGH);//set mmc0-data1 to high.
-
- rk30_mux_api_set(GPIO3A6_SDMMC0DATA2_NAME, GPIO3A_GPIO3A6);
- gpio_request(RK30_PIN3_PA5, "mmc0-data2");
- gpio_direction_output(RK30_PIN3_PA5,GPIO_HIGH);//set mmc0-data2 to high.
-
- rk30_mux_api_set(GPIO3A7_SDMMC0DATA3_NAME, GPIO3A_GPIO3A7);
- gpio_request(RK30_PIN3_PA7, "mmc0-data3");
- gpio_direction_output(RK30_PIN3_PA7,GPIO_HIGH);//set mmc0-data3 to high.
- }
- break;
- }
-}
-
-static void rk29_sdmmc_set_iomux_mmc1(unsigned int bus_width)
-{
- rk30_mux_api_set(GPIO3C0_SDMMC1CMD_RMIITXEN_NAME, GPIO3C_SDMMC1CMD);
- rk30_mux_api_set(GPIO3C5_SDMMC1CLKOUT_RMIICLKOUT_RMIICLKIN_NAME, GPIO3C_SDMMC1CLKOUT);
- rk30_mux_api_set(GPIO3C1_SDMMC1DATA0_RMIITXD1_NAME, GPIO3C_SDMMC1DATA0);
- rk30_mux_api_set(GPIO3C2_SDMMC1DATA1_RMIITXD0_NAME, GPIO3C_SDMMC1DATA1);
- rk30_mux_api_set(GPIO3C3_SDMMC1DATA2_RMIIRXD0_NAME, GPIO3C_SDMMC1DATA2);
- rk30_mux_api_set(GPIO3C4_SDMMC1DATA3_RMIIRXD1_NAME, GPIO3C_SDMMC1DATA3);
-}
-
-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
-
-
-
-#ifdef CONFIG_WIFI_CONTROL_FUNC
-
-//
-// Define wifi module's power and reset gpio, and gpio sensitive level
-//
-
-#if defined(CONFIG_RK903) || defined(CONFIG_RK901)
-#define RK30SDK_WIFI_GPIO_POWER_N RK30_PIN3_PD0
-#define RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE GPIO_HIGH
-#define RK30SDK_WIFI_GPIO_RESET_N RK30_PIN2_PA7
-#define RK30SDK_WIFI_GPIO_RESET_ENABLE_VALUE GPIO_HIGH
-#endif
-
-#if defined(CONFIG_RTL8192CU) || defined(CONFIG_RTL8188EU)
-#define RK30SDK_WIFI_GPIO_POWER_N RK30_PIN3_PD0
-#define RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE GPIO_LOW
-#endif
-
-#if defined(CONFIG_BCM4329) || defined(CONFIG_BCM4319)
-#define RK30SDK_WIFI_GPIO_POWER_N RK30_PIN3_PD0
-#define RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE GPIO_HIGH
-#define RK30SDK_WIFI_GPIO_RESET_N RK30_PIN2_PA7
-#define RK30SDK_WIFI_GPIO_RESET_ENABLE_VALUE GPIO_HIGH
-#endif
-
-#define PREALLOC_WLAN_SEC_NUM 4
-#define PREALLOC_WLAN_BUF_NUM 160
-#define PREALLOC_WLAN_SECTION_HEADER 24
-
-#define WLAN_SECTION_SIZE_0 (PREALLOC_WLAN_BUF_NUM * 128)
-#define WLAN_SECTION_SIZE_1 (PREALLOC_WLAN_BUF_NUM * 128)
-#define WLAN_SECTION_SIZE_2 (PREALLOC_WLAN_BUF_NUM * 512)
-#define WLAN_SECTION_SIZE_3 (PREALLOC_WLAN_BUF_NUM * 1024)
-
-#define WLAN_SKB_BUF_NUM 16
-
-static struct sk_buff *wlan_static_skb[WLAN_SKB_BUF_NUM];
-
-struct wifi_mem_prealloc {
- void *mem_ptr;
- unsigned long size;
-};
-
-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;
-}
-
-static 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 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 __init rk29sdk_wifi_bt_gpio_control_init(void)
-{
- rk29sdk_init_wifi_mem();
-
- rk29_mux_api_set(GPIO2A7_LCDC1DATA7_SMCDATA7_TRACEDATA7_NAME, GPIO2A_GPIO2A7);
- rk29_mux_api_set(GPIO3D0_SDMMC1PWREN_MIIMD_NAME, GPIO3D_GPIO3D0);
-
-#ifdef RK30SDK_WIFI_GPIO_POWER_N
- if (gpio_request(RK30SDK_WIFI_GPIO_POWER_N, "wifi_power")) {
- pr_info("%s: request wifi power gpio failed\n", __func__);
- return -1;
- }
-#endif
-
-#ifdef RK30SDK_WIFI_GPIO_RESET_N
- if (gpio_request(RK30SDK_WIFI_GPIO_RESET_N, "wifi reset")) {
- pr_info("%s: request wifi reset gpio failed\n", __func__);
- gpio_free(RK30SDK_WIFI_GPIO_POWER_N);
- return -1;
- }
-#endif
-
-#ifdef RK30SDK_WIFI_GPIO_POWER_N
- gpio_direction_output(RK30SDK_WIFI_GPIO_POWER_N, !RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE);
-#endif
-#ifdef RK30SDK_WIFI_GPIO_RESET_N
- gpio_direction_output(RK30SDK_WIFI_GPIO_RESET_N, !RK30SDK_WIFI_GPIO_RESET_ENABLE_VALUE);
-#endif
-
- #if defined(CONFIG_SDMMC1_RK29) && !defined(CONFIG_SDMMC_RK29_OLD)
-
- rk29_mux_api_set(GPIO3C2_SDMMC1DATA1_RMIITXD0_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_RMIIRXD0_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_RMIIRXD1_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;
-}
-
-int rk29sdk_wifi_power(int on)
-{
- pr_info("%s: %d\n", __func__, on);
- if (on){
-#ifdef RK30SDK_WIFI_GPIO_POWER_N
- gpio_set_value(RK30SDK_WIFI_GPIO_POWER_N, RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE);
- mdelay(50);
-#endif
-
- #if defined(CONFIG_SDMMC1_RK29) && !defined(CONFIG_SDMMC_RK29_OLD)
- rk29_sdmmc_gpio_open(1, 1); //added by xbw at 2011-10-13
- #endif
-
-#ifdef RK30SDK_WIFI_GPIO_RESET_N
- gpio_set_value(RK30SDK_WIFI_GPIO_RESET_N, RK30SDK_WIFI_GPIO_RESET_ENABLE_VALUE);
-#endif
- mdelay(100);
- pr_info("wifi turn on power\n");
- }else{
-// if (!rk29sdk_bt_power_state){
-#ifdef RK30SDK_WIFI_GPIO_POWER_N
- gpio_set_value(RK30SDK_WIFI_GPIO_POWER_N, !RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE);
-#endif
-
- #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");
-// }
-#ifdef RK30SDK_WIFI_GPIO_RESET_N
- gpio_set_value(RK30SDK_WIFI_GPIO_RESET_N, !RK30SDK_WIFI_GPIO_RESET_ENABLE_VALUE);
-#endif
-
- }
-
- //rk29sdk_wifi_power_state = on;
- return 0;
-}
-EXPORT_SYMBOL(rk29sdk_wifi_power);
-
-static int rk29sdk_wifi_reset_state;
-static int rk29sdk_wifi_reset(int on)
-{
- pr_info("%s: %d\n", __func__, 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);
-
-#define WIFI_HOST_WAKE RK30_PIN3_PD2
-
-static struct resource resources[] = {
- {
- .start = WIFI_HOST_WAKE,
- .flags = IORESOURCE_IRQ,
- .name = "bcmdhd_wlan_irq",
- },
-};
-
-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 = "bcmdhd_wlan",
- .id = 1,
- .num_resources = ARRAY_SIZE(resources),
- .resource = resources,
- .dev = {
- .platform_data = &rk29sdk_wifi_control,
- },
-};
-#endif
-
-
-#endif // endif --#ifdef CONFIG_SDMMC_RK29
-
projects / firefly-linux-kernel-4.4.55.git / commitdiff