{TEGRA_PINGROUP_GMC, TEGRA_MUX_UARTD, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_GMD, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_GME, TEGRA_MUX_SDIO4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
- {TEGRA_PINGROUP_GPU, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_GPU, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_GPU7, TEGRA_MUX_RTCK, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_GPV, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_HDINT, TEGRA_MUX_HDMI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SDB, TEGRA_MUX_SDIO3, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_SDC, TEGRA_MUX_SDIO3, TEGRA_TRI_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_SDD, TEGRA_MUX_SDIO3, TEGRA_TRI_NORMAL, TEGRA_TRI_NORMAL},
- {TEGRA_PINGROUP_SDIO1, TEGRA_MUX_SDIO1, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_SDIO1, TEGRA_MUX_SDIO1, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_SLXA, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SLXC, TEGRA_MUX_SPI4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SLXD, TEGRA_MUX_SPI4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
--- /dev/null
+/* linux/arch/arm/mach-msm/board-olympus-wifi.c
+*/
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <linux/skbuff.h>
+#include <linux/wlan_plat.h>
+#include <mach/sdhci.h>
+
+#include "gpio-names.h"
+
+#define OLYMPUS_WLAN_IRQ TEGRA_GPIO_PU5
+#define OLYMPUS_WLAN_PWR TEGRA_GPIO_PU3
+#define OLYMPUS_WLAN_RST TEGRA_GPIO_PU2
+
+#define PREALLOC_WLAN_NUMBER_OF_SECTIONS 4
+#define PREALLOC_WLAN_NUMBER_OF_BUFFERS 160
+#define PREALLOC_WLAN_SECTION_HEADER 24
+
+#define WLAN_SECTION_SIZE_0 (PREALLOC_WLAN_NUMBER_OF_BUFFERS * 128)
+#define WLAN_SECTION_SIZE_1 (PREALLOC_WLAN_NUMBER_OF_BUFFERS * 128)
+#define WLAN_SECTION_SIZE_2 (PREALLOC_WLAN_NUMBER_OF_BUFFERS * 512)
+#define WLAN_SECTION_SIZE_3 (PREALLOC_WLAN_NUMBER_OF_BUFFERS * 1024)
+
+#define WLAN_SKB_BUF_NUM 16
+
+static struct sk_buff *wlan_static_skb[WLAN_SKB_BUF_NUM];
+
+typedef struct wifi_mem_prealloc_struct {
+ void *mem_ptr;
+ unsigned long size;
+} wifi_mem_prealloc_t;
+
+static wifi_mem_prealloc_t wifi_mem_array[PREALLOC_WLAN_NUMBER_OF_SECTIONS] = {
+ { 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 *olympus_wifi_mem_prealloc(int section, unsigned long size)
+{
+ if (section == PREALLOC_WLAN_NUMBER_OF_SECTIONS)
+ return wlan_static_skb;
+ if ((section < 0) || (section > PREALLOC_WLAN_NUMBER_OF_SECTIONS))
+ return NULL;
+ if (wifi_mem_array[section].size < size)
+ return NULL;
+ return wifi_mem_array[section].mem_ptr;
+}
+
+int __init olympus_init_wifi_mem(void)
+{
+ int i;
+
+ for(i=0;( i < WLAN_SKB_BUF_NUM );i++) {
+ if (i < (WLAN_SKB_BUF_NUM/2))
+ wlan_static_skb[i] = dev_alloc_skb(4096);
+ else
+ wlan_static_skb[i] = dev_alloc_skb(8192);
+ }
+ for(i=0;( i < PREALLOC_WLAN_NUMBER_OF_SECTIONS );i++) {
+ wifi_mem_array[i].mem_ptr = kmalloc(wifi_mem_array[i].size,
+ GFP_KERNEL);
+ if (wifi_mem_array[i].mem_ptr == NULL)
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+static struct resource olympus_wifi_resources[] = {
+ [0] = {
+ .name = "bcm4329_wlan_irq",
+ .start = TEGRA_GPIO_TO_IRQ(OLYMPUS_WLAN_IRQ),
+ .end = TEGRA_GPIO_TO_IRQ(OLYMPUS_WLAN_IRQ),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
+ },
+};
+
+/* BCM4329 returns wrong sdio_vsn(1) when we read cccr,
+ * we use predefined value (sdio_vsn=2) here to initial sdio driver well
+ */
+static struct embedded_sdio_data olympus_wifi_emb_data = {
+ .cccr = {
+ .sdio_vsn = 2,
+ .multi_block = 1,
+ .low_speed = 0,
+ .wide_bus = 0,
+ .high_power = 1,
+ .high_speed = 1,
+ },
+};
+
+static int olympus_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 olympus_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 unsigned int olympus_wifi_status(struct device *dev)
+{
+ return olympus_wifi_cd;
+}
+
+struct tegra_sdhci_platform_data olympus_wifi_data = {
+ .clk_id = NULL,
+ .force_hs = 0,
+ .mmc_data = {
+ .ocr_mask = MMC_VDD_165_195,
+ .status = olympus_wifi_status,
+ .register_status_notify = olympus_wifi_status_register,
+ .embedded_sdio = &olympus_wifi_emb_data,
+ }
+};
+
+int olympus_wifi_set_carddetect(int val)
+{
+ pr_debug("%s: %d\n", __func__, val);
+ olympus_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;
+}
+
+static int olympus_wifi_power_state;
+
+int olympus_wifi_power(int on)
+{
+ pr_debug("%s: %d\n", __func__, on);
+
+ mdelay(100);
+ gpio_set_value(OLYMPUS_WLAN_PWR, on);
+ mdelay(100);
+ gpio_set_value(OLYMPUS_WLAN_RST, on);
+ mdelay(200);
+
+ olympus_wifi_power_state = on;
+ return 0;
+}
+
+static int olympus_wifi_reset_state;
+
+int olympus_wifi_reset(int on)
+{
+ pr_debug("%s: do nothing\n", __func__);
+ olympus_wifi_reset_state = on;
+ return 0;
+}
+
+static struct wifi_platform_data olympus_wifi_control = {
+ .set_power = olympus_wifi_power,
+ .set_reset = olympus_wifi_reset,
+ .set_carddetect = olympus_wifi_set_carddetect,
+ .mem_prealloc = olympus_wifi_mem_prealloc,
+};
+
+static struct platform_device olympus_wifi_device = {
+ .name = "bcm4329_wlan",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(olympus_wifi_resources),
+ .resource = olympus_wifi_resources,
+ .dev = {
+ .platform_data = &olympus_wifi_control,
+ },
+};
+
+static void __init olympus_wlan_gpio(void)
+{
+ tegra_gpio_enable(OLYMPUS_WLAN_PWR);
+ gpio_request(OLYMPUS_WLAN_PWR, "wlan_pwr");
+ gpio_direction_output(OLYMPUS_WLAN_PWR, 0);
+
+ tegra_gpio_enable(OLYMPUS_WLAN_RST);
+ gpio_request(OLYMPUS_WLAN_RST, "wlan_rst");
+ gpio_direction_output(OLYMPUS_WLAN_RST, 0);
+
+ tegra_gpio_enable(OLYMPUS_WLAN_IRQ);
+ gpio_request(OLYMPUS_WLAN_IRQ, "wlan_irq");
+ gpio_direction_input(OLYMPUS_WLAN_IRQ);
+}
+
+static int __init olympus_wlan_init(void)
+{
+ int ret;
+
+ if (!machine_is_olympus())
+ return 0;
+
+ pr_debug("%s: start\n", __func__);
+ olympus_wlan_gpio();
+ olympus_init_wifi_mem();
+ ret = platform_device_register(&olympus_wifi_device);
+ return ret;
+}
+
+late_initcall(olympus_wlan_init);
projects / firefly-linux-kernel-4.4.55.git / commitdiff