--- /dev/null
+/* 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(RK2928_PIN1_PC0,GPIO_HIGH);//set mmc0-clk to high
+ gpio_direction_output(RK2928_PIN1_PB7,GPIO_HIGH);// set mmc0-cmd to high.
+ gpio_direction_output(RK2928_PIN1_PC2,GPIO_HIGH);//set mmc0-data0 to high.
+ gpio_direction_output(RK2928_PIN1_PC3,GPIO_HIGH);//set mmc0-data1 to high.
+ gpio_direction_output(RK2928_PIN1_PC4,GPIO_HIGH);//set mmc0-data2 to high.
+ gpio_direction_output(RK2928_PIN1_PC5,GPIO_HIGH);//set mmc0-data3 to high.
+
+ mdelay(30);
+ }
+ else
+ {
+ rk30_mux_api_set(GPIO1C0_MMC0_CLKOUT_NAME, GPIO1C_GPIO1C0);
+ gpio_request(RK2928_PIN1_PC0, "mmc0-clk");
+ gpio_direction_output(RK2928_PIN1_PC0,GPIO_LOW);//set mmc0-clk to low.
+
+ rk30_mux_api_set(GPIO1B7_MMC0_CMD_NAME, GPIO1B_GPIO1B7);
+ gpio_request(RK2928_PIN1_PB7, "mmc0-cmd");
+ gpio_direction_output(RK2928_PIN1_PB7,GPIO_LOW);//set mmc0-cmd to low.
+
+ rk30_mux_api_set(GPIO1C2_MMC0_D0_NAME, GPIO1C_GPIO1C2);
+ gpio_request(RK2928_PIN1_PC2, "mmc0-data0");
+ gpio_direction_output(RK2928_PIN1_PC2,GPIO_LOW);//set mmc0-data0 to low.
+
+ rk30_mux_api_set(GPIO1C3_MMC0_D1_NAME, GPIO1C_GPIO1C3);
+ gpio_request(RK2928_PIN1_PC3, "mmc0-data1");
+ gpio_direction_output(RK2928_PIN1_PC3,GPIO_LOW);//set mmc0-data1 to low.
+
+ rk30_mux_api_set(GPIO1C4_MMC0_D2_NAME, GPIO1C_GPIO1C4);
+ gpio_request(RK2928_PIN1_PC4, "mmc0-data2");
+ gpio_direction_output(RK2928_PIN1_PC4,GPIO_LOW);//set mmc0-data2 to low.
+
+ rk30_mux_api_set(GPIO1C5_MMC0_D3_NAME, GPIO1C_GPIO1C5);
+ gpio_request(RK2928_PIN1_PC5, "mmc0-data3");
+ gpio_direction_output(RK2928_PIN1_PC5,GPIO_LOW);//set mmc0-data3 to low.
+
+ mdelay(30);
+ }
+ #endif
+ }
+ break;
+
+ case 1://mmc1
+ {
+ #ifdef CONFIG_SDMMC1_RK29
+ if(on)
+ {
+ gpio_direction_output(RK2928_PIN0_PB1,GPIO_HIGH);//set mmc1-clk to high
+ gpio_direction_output(RK2928_PIN0_PB0,GPIO_HIGH);//set mmc1-cmd to high.
+ gpio_direction_output(RK2928_PIN0_PB3,GPIO_HIGH);//set mmc1-data0 to high.
+ gpio_direction_output(RK2928_PIN0_PB4,GPIO_HIGH);//set mmc1-data1 to high.
+ gpio_direction_output(RK2928_PIN0_PB5,GPIO_HIGH);//set mmc1-data2 to high.
+ gpio_direction_output(RK2928_PIN0_PB6,GPIO_HIGH);//set mmc1-data3 to high.
+ mdelay(100);
+ }
+ else
+ {
+ rk30_mux_api_set(GPIO0B1_MMC1_CLKOUT_NAME, GPIO0B_GPIO0B1);
+ gpio_request(RK2928_PIN0_PB1, "mmc1-clk");
+ gpio_direction_output(RK2928_PIN0_PB1,GPIO_LOW);//set mmc1-clk to low.
+
+ rk30_mux_api_set(GPIO0B0_MMC1_CMD_NAME, GPIO0B_GPIO0B0);
+ gpio_request(RK2928_PIN0_PB0, "mmc1-cmd");
+ gpio_direction_output(RK2928_PIN0_PB0,GPIO_LOW);//set mmc1-cmd to low.
+
+ rk30_mux_api_set(GPIO0B3_MMC1_D0_NAME, GPIO0B_GPIO0B3);
+ gpio_request(RK2928_PIN0_PB3, "mmc1-data0");
+ gpio_direction_output(RK2928_PIN0_PB3,GPIO_LOW);//set mmc1-data0 to low.
+ #if defined(CONFIG_SDMMC1_RK29) && !defined(CONFIG_SDMMC_RK29_OLD)
+
+ rk29_mux_api_set(GPIO0B4_MMC1_D1_NAME, GPIO0B_GPIO0B4);
+ gpio_request(RK2928_PIN0_PB4, "mmc1-data1");
+ gpio_direction_output(RK2928_PIN0_PB4,GPIO_LOW);//set mmc1-data1 to low.
+
+ rk29_mux_api_set(GPIO0B5_MMC1_D2_NAME, GPIO0B_GPIO0B5);
+ gpio_request(RK2928_PIN0_PB5, "mmc1-data2");
+ gpio_direction_output(RK2928_PIN0_PB5,GPIO_LOW);//set mmc1-data2 to low.
+
+ rk29_mux_api_set(GPIO0B6_MMC1_D3_NAME, GPIO0B_GPIO0B6);
+ gpio_request(RK2928_PIN0_PB6, "mmc1-data3");
+ gpio_direction_output(RK2928_PIN0_PB6,GPIO_LOW);//set mmc1-data3 to low.
+
+ //rk29_sdmmc_gpio_open(1, 0); //added by xbw at 2011-10-13
+ #endif
+ 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(GPIO1C3_MMC0_D1_NAME, GPIO1C_MMC0_D1);
+ rk30_mux_api_set(GPIO1C4_MMC0_D2_NAME, GPIO1C_MMC0_D2);
+ rk30_mux_api_set(GPIO1C5_MMC0_D3_NAME, GPIO1C_MMC0_D3);
+ }
+ break;
+
+ case 0x10000://SDMMC_CTYPE_8BIT:
+ break;
+ case 0xFFFF: //gpio_reset
+ {
+ rk30_mux_api_set(GPIO1B6_MMC0_PWREN_NAME, GPIO1B_GPIO1B6);
+ gpio_request(RK2928_PIN1_PB6,"sdmmc-power");
+ gpio_direction_output(RK2928_PIN1_PB6,GPIO_HIGH); //power-off
+
+ rk29_sdmmc_gpio_open(0, 0);
+
+ gpio_direction_output(RK2928_PIN1_PB6,GPIO_LOW); //power-on
+
+ rk29_sdmmc_gpio_open(0, 1);
+ }
+ break;
+
+ default: //case 0://SDMMC_CTYPE_1BIT:
+ {
+ rk30_mux_api_set(GPIO1B7_MMC0_CMD_NAME, GPIO1B_MMC0_CMD);
+ rk30_mux_api_set(GPIO1C0_MMC0_CLKOUT_NAME, GPIO1C_MMC0_CLKOUT);
+ rk30_mux_api_set(GPIO1C2_MMC0_D0_NAME, GPIO1C_MMC0_D0);
+
+ rk30_mux_api_set(GPIO1C3_MMC0_D1_NAME, GPIO1C_GPIO1C3);
+ gpio_request(RK2928_PIN1_PC3, "mmc0-data1");
+ gpio_direction_output(RK2928_PIN1_PC3,GPIO_HIGH);//set mmc0-data1 to high.
+
+ rk30_mux_api_set(GPIO1C4_MMC0_D2_NAME, GPIO1C_GPIO1C4);
+ gpio_request(RK2928_PIN1_PC4, "mmc0-data2");
+ gpio_direction_output(RK2928_PIN1_PC4,GPIO_HIGH);//set mmc0-data2 to high.
+
+ rk30_mux_api_set(GPIO1C5_MMC0_D3_NAME, GPIO1C_GPIO1C5);
+ gpio_request(RK2928_PIN1_PC5, "mmc0-data3");
+ gpio_direction_output(RK2928_PIN1_PC5,GPIO_HIGH);//set mmc0-data3 to high.
+ }
+ break;
+ }
+}
+
+static void rk29_sdmmc_set_iomux_mmc1(unsigned int bus_width)
+{
+ rk30_mux_api_set(GPIO0B0_MMC1_CMD_NAME, GPIO0B_MMC1_CMD);
+ rk30_mux_api_set(GPIO0B1_MMC1_CLKOUT_NAME, GPIO0B_MMC1_CLKOUT);
+ rk30_mux_api_set(GPIO0B3_MMC1_D0_NAME, GPIO0B_MMC1_D0);
+ rk30_mux_api_set(GPIO0B4_MMC1_D1_NAME, GPIO0B_MMC1_D1);
+ rk30_mux_api_set(GPIO0B5_MMC1_D2_NAME, GPIO0B_MMC1_D2);
+ rk30_mux_api_set(GPIO0B6_MMC1_D3_NAME, GPIO0B_MMC1_D3);
+}
+
+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 RK2928_PIN0_PD6
+#define RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE GPIO_HIGH
+#define RK30SDK_WIFI_GPIO_RESET_N RK2928_PIN3_PC2
+#define RK30SDK_WIFI_GPIO_RESET_ENABLE_VALUE GPIO_HIGH
+#endif
+
+#if defined(CONFIG_RTL8192CU) || defined(CONFIG_RTL8188EU)
+#define RK30SDK_WIFI_GPIO_POWER_N RK2928_PIN0_PD6
+#define RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE GPIO_LOW
+#endif
+
+#if defined(CONFIG_BCM4329) || defined(CONFIG_BCM4319)
+#define RK30SDK_WIFI_GPIO_POWER_N RK2928_PIN0_PD6
+#define RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE GPIO_HIGH
+#define RK30SDK_WIFI_GPIO_RESET_N RK2928_PIN3_PC2
+#define RK30SDK_WIFI_GPIO_RESET_ENABLE_VALUE GPIO_HIGH
+#endif
+#if defined(CONFIG_RDA5990)
+#define RK30SDK_WIFI_GPIO_POWER_N RK2928_PIN0_PD6
+#define RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE GPIO_HIGH
+#define RK30SDK_WIFI_GPIO_RESET_N RK2928_PIN3_PC2
+#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(GPIO0D6_MMC1_PWREN_NAME, GPIO0D_GPIO0D6);
+
+ if (gpio_request(RK30SDK_WIFI_GPIO_POWER_N, "wifi_power")) {
+ pr_info("%s: request wifi power gpio failed\n", __func__);
+ return -1;
+ }
+
+#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
+
+ gpio_direction_output(RK30SDK_WIFI_GPIO_POWER_N, !RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE);
+#ifdef RK30SDK_WIFI_GPIO_RESET_N
+ gpio_direction_output(RK30SDK_WIFI_GPIO_RESET_N, !RK30SDK_WIFI_GPIO_RESET_ENABLE_VALUE);
+#endif
+
+ #if 0//defined(CONFIG_SDMMC1_RK29) && !defined(CONFIG_SDMMC_RK29_OLD)
+
+ rk29_mux_api_set(GPIO0B4_MMC1_D1_NAME, GPIO0B_GPIO0B4);
+ gpio_request(RK2928_PIN0_PB4, "mmc1-data1");
+ gpio_direction_output(RK2928_PIN0_PB4,GPIO_LOW);//set mmc1-data1 to low.
+
+ rk29_mux_api_set(GPIO0B5_MMC1_D2_NAME, GPIO0B_GPIO0B5);
+ gpio_request(RK2928_PIN0_PB5, "mmc1-data2");
+ gpio_direction_output(RK2928_PIN0_PB5,GPIO_LOW);//set mmc1-data2 to low.
+
+ rk29_mux_api_set(GPIO0B6_MMC1_D3_NAME, GPIO0B_GPIO0B6);
+ gpio_request(RK2928_PIN0_PB6, "mmc1-data3");
+ gpio_direction_output(RK2928_PIN0_PB6,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;
+}
+
+#if defined(CONFIG_RTL8192CU) || defined(CONFIG_RTL8188EU)
+static int usbwifi_power_status = 1;
+int rk29sdk_wifi_power(int on)
+{
+ pr_info("%s: %d\n", __func__, on);
+ if (on){
+ /*if(usbwifi_power_status == 1) {
+ rkusb_wifi_power(0);
+ mdelay(50);
+ }*/
+ rkusb_wifi_power(1);
+ usbwifi_power_status = 1;
+ pr_info("wifi turn on power\n");
+ }else{
+ rkusb_wifi_power(0);
+ usbwifi_power_status = 0;
+ pr_info("wifi shut off power\n");
+ }
+ return 0;
+}
+#else
+int rk29sdk_wifi_power(int on)
+{
+ pr_info("%s: %d\n", __func__, on);
+ if (on){
+ //gpio_set_value(RK30SDK_WIFI_GPIO_POWER_N, RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE);
+ mdelay(50);
+
+ #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){
+ // gpio_set_value(RK30SDK_WIFI_GPIO_POWER_N, !RK30SDK_WIFI_GPIO_POWER_ENABLE_VALUE);
+
+ #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;
+}
+#endif
+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 RK2928_PIN3_PC0
+
+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