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SmartAudio/lichee/linux-4.9/drivers/net/wireless/bcmdhd/dhd_gpio.c

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#include <osl.h>
#include <dhd_linux.h>
#include <linux/gpio.h>
#ifdef CUSTOMER_HW_PLATFORM
#include <plat/sdhci.h>
#define sdmmc_channel sdmmc_device_mmc0
#endif /* CUSTOMER_HW_PLATFORM */
#if defined(BUS_POWER_RESTORE) && defined(BCMSDIO)
#include <linux/mmc/core.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sdio_func.h>
#endif /* defined(BUS_POWER_RESTORE) && defined(BCMSDIO) */
#ifdef CONFIG_DHD_USE_STATIC_BUF
extern void *dhd_wlan_mem_prealloc(int section, unsigned long size);
#endif /* CONFIG_DHD_USE_STATIC_BUF */
static int gpio_wl_reg_on = -1; // WL_REG_ON is input pin of WLAN module
#ifdef CUSTOMER_OOB
static int gpio_wl_host_wake = -1; // WL_HOST_WAKE is output pin of WLAN module
#endif
#ifdef CUSTOMER_HW_ALLWINNER
extern void sunxi_mmc_rescan_card(unsigned ids);
extern void sunxi_wlan_set_power(int on);
extern int sunxi_wlan_get_bus_index(void);
extern int sunxi_wlan_get_oob_irq(void);
extern int sunxi_wlan_get_oob_irq_flags(void);
/* Customer specifia wifi mac addr file */
#define WIFIMAC_PATH "/mnt/factory/ULI/factory/mac.txt"
#endif
static int
dhd_wlan_set_power(int on
#ifdef BUS_POWER_RESTORE
, wifi_adapter_info_t *adapter
#endif /* BUS_POWER_RESTORE */
)
{
int err = 0;
if (on) {
printf("======== PULL WL_REG_ON(%d) HIGH! ========\n", gpio_wl_reg_on);
if (gpio_wl_reg_on >= 0) {
err = gpio_direction_output(gpio_wl_reg_on, 1);
if (err) {
printf("%s: WL_REG_ON didn't output high\n", __FUNCTION__);
return -EIO;
}
}
#ifdef CUSTOMER_HW_ALLWINNER
sunxi_wlan_set_power(1);
#endif
#if defined(BUS_POWER_RESTORE)
#if defined(BCMSDIO)
if (adapter->sdio_func && adapter->sdio_func->card && adapter->sdio_func->card->host) {
printf("======== mmc_power_restore_host! ========\n");
mmc_power_restore_host(adapter->sdio_func->card->host);
}
#elif defined(BCMPCIE)
OSL_SLEEP(50); /* delay needed to be able to restore PCIe configuration registers */
if (adapter->pci_dev) {
printf("======== pci_set_power_state PCI_D0! ========\n");
pci_set_power_state(adapter->pci_dev, PCI_D0);
if (adapter->pci_saved_state)
pci_load_and_free_saved_state(adapter->pci_dev, &adapter->pci_saved_state);
pci_restore_state(adapter->pci_dev);
err = pci_enable_device(adapter->pci_dev);
if (err < 0)
printf("%s: PCI enable device failed", __FUNCTION__);
pci_set_master(adapter->pci_dev);
}
#endif /* BCMPCIE */
#endif /* BUS_POWER_RESTORE */
/* Lets customer power to get stable */
mdelay(100);
} else {
#if defined(BUS_POWER_RESTORE)
#if defined(BCMSDIO)
if (adapter->sdio_func && adapter->sdio_func->card && adapter->sdio_func->card->host) {
printf("======== mmc_power_save_host! ========\n");
mmc_power_save_host(adapter->sdio_func->card->host);
}
#elif defined(BCMPCIE)
if (adapter->pci_dev) {
printf("======== pci_set_power_state PCI_D3hot! ========\n");
pci_save_state(adapter->pci_dev);
adapter->pci_saved_state = pci_store_saved_state(adapter->pci_dev);
if (pci_is_enabled(adapter->pci_dev))
pci_disable_device(adapter->pci_dev);
pci_set_power_state(adapter->pci_dev, PCI_D3hot);
}
#endif /* BCMPCIE */
#endif /* BUS_POWER_RESTORE */
printf("======== PULL WL_REG_ON(%d) LOW! ========\n", gpio_wl_reg_on);
if (gpio_wl_reg_on >= 0) {
err = gpio_direction_output(gpio_wl_reg_on, 0);
if (err) {
printf("%s: WL_REG_ON didn't output low\n", __FUNCTION__);
return -EIO;
}
}
#ifdef CUSTOMER_HW_ALLWINNER
sunxi_wlan_set_power(0);
#endif
}
return err;
}
static int dhd_wlan_set_reset(int onoff)
{
return 0;
}
static int dhd_wlan_set_carddetect(int present)
{
int err = 0;
#ifdef CUSTOMER_HW_ALLWINNER
int wlan_bus_index = sunxi_wlan_get_bus_index();
if(wlan_bus_index < 0)
return wlan_bus_index;
#endif
#if !defined(BUS_POWER_RESTORE)
if (present) {
#if defined(BCMSDIO)
printf("======== Card detection to detect SDIO card! ========\n");
#ifdef CUSTOMER_HW_PLATFORM
err = sdhci_force_presence_change(&sdmmc_channel, 1);
#endif /* CUSTOMER_HW_PLATFORM */
#ifdef CUSTOMER_HW_ALLWINNER
sunxi_mmc_rescan_card(wlan_bus_index);
#endif
#elif defined(BCMPCIE)
printf("======== Card detection to detect PCIE card! ========\n");
#endif
} else {
#if defined(BCMSDIO)
printf("======== Card detection to remove SDIO card! ========\n");
#ifdef CUSTOMER_HW_PLATFORM
err = sdhci_force_presence_change(&sdmmc_channel, 0);
#endif /* CUSTOMER_HW_PLATFORM */
#ifdef CUSTOMER_HW_ALLWINNER
sunxi_mmc_rescan_card(wlan_bus_index);
#endif
#elif defined(BCMPCIE)
printf("======== Card detection to remove PCIE card! ========\n");
#endif
}
#endif /* BUS_POWER_RESTORE */
return err;
}
static int dhd_wlan_get_mac_addr(unsigned char *buf)
{
int err = 0;
printf("======== %s ========\n", __FUNCTION__);
#ifdef CONFIG_ARCH_SUNXI
{
char *file_name = WIFIMAC_PATH;
void * fp = NULL;
char tmp_addr[18];
struct ether_addr tmp_ea;
char *str;
int i=0;
fp = dhd_os_open_image(file_name);
if (fp == NULL) {
printk("%s: Open wifi mac file failed %s\n", __FUNCTION__, file_name);
err = -EINVAL;
//goto end;
}
dhd_os_get_image_block(tmp_addr, 18, fp);
tmp_addr[17] = ':';
str = tmp_addr;
for (i=0; i<6; i++) {
tmp_ea.octet[i] = simple_strtoul(str, (char **)&str, 16 );
str++;
}
bcopy((char *)&tmp_ea, buf, sizeof(struct ether_addr));
char macpad[56]= {
0x00,0xaa,0x9c,0x84,0xc7,0xbc,0x9b,0xf6,
0x02,0x33,0xa9,0x4d,0x5c,0xb4,0x0a,0x5d,
0xa8,0xef,0xb0,0xcf,0x8e,0xbf,0x24,0x8a,
0x87,0x0f,0x6f,0x0d,0xeb,0x83,0x6a,0x70,
0x4a,0xeb,0xf6,0xe6,0x3c,0xe7,0x5f,0xfc,
0x0e,0xa7,0xb3,0x0f,0x00,0xe4,0x4a,0xaf,
0x87,0x08,0x16,0x6d,0x3a,0xe3,0xc7,0x80};
bcopy(macpad, buf+6, sizeof(macpad));
dhd_os_close_image(fp);
fp = NULL;
}
#endif /* CONFIG_ARCH_SUNXI */
#ifdef EXAMPLE_GET_MAC
/* EXAMPLE code */
{
struct ether_addr ea_example = {{0x00, 0x11, 0x22, 0x33, 0x44, 0xFF}};
bcopy((char *)&ea_example, buf, sizeof(struct ether_addr));
}
#endif /* EXAMPLE_GET_MAC */
#ifdef EXAMPLE_GET_MAC_VER2
/* EXAMPLE code */
{
char macpad[56]= {
0x00,0xaa,0x9c,0x84,0xc7,0xbc,0x9b,0xf6,
0x02,0x33,0xa9,0x4d,0x5c,0xb4,0x0a,0x5d,
0xa8,0xef,0xb0,0xcf,0x8e,0xbf,0x24,0x8a,
0x87,0x0f,0x6f,0x0d,0xeb,0x83,0x6a,0x70,
0x4a,0xeb,0xf6,0xe6,0x3c,0xe7,0x5f,0xfc,
0x0e,0xa7,0xb3,0x0f,0x00,0xe4,0x4a,0xaf,
0x87,0x08,0x16,0x6d,0x3a,0xe3,0xc7,0x80};
bcopy(macpad, buf+6, sizeof(macpad));
}
#endif /* EXAMPLE_GET_MAC_VER2 */
return err;
}
static struct cntry_locales_custom brcm_wlan_translate_custom_table[] = {
/* Table should be filled out based on custom platform regulatory requirement */
#ifdef EXAMPLE_TABLE
{"", "XT", 49}, /* Universal if Country code is unknown or empty */
{"US", "US", 0},
#endif /* EXMAPLE_TABLE */
};
#ifdef CUSTOM_FORCE_NODFS_FLAG
struct cntry_locales_custom brcm_wlan_translate_nodfs_table[] = {
#ifdef EXAMPLE_TABLE
{"", "XT", 50}, /* Universal if Country code is unknown or empty */
{"US", "US", 0},
#endif /* EXMAPLE_TABLE */
};
#endif
static void *dhd_wlan_get_country_code(char *ccode
#ifdef CUSTOM_FORCE_NODFS_FLAG
, u32 flags
#endif
)
{
struct cntry_locales_custom *locales;
int size;
int i;
if (!ccode)
return NULL;
#ifdef CUSTOM_FORCE_NODFS_FLAG
if (flags & WLAN_PLAT_NODFS_FLAG) {
locales = brcm_wlan_translate_nodfs_table;
size = ARRAY_SIZE(brcm_wlan_translate_nodfs_table);
} else {
#endif
locales = brcm_wlan_translate_custom_table;
size = ARRAY_SIZE(brcm_wlan_translate_custom_table);
#ifdef CUSTOM_FORCE_NODFS_FLAG
}
#endif
for (i = 0; i < size; i++)
if (strcmp(ccode, locales[i].iso_abbrev) == 0)
return &locales[i];
return NULL;
}
struct resource dhd_wlan_resources[] = {
[0] = {
.name = "bcmdhd_wlan_irq",
.start = 0, /* Dummy */
.end = 0, /* Dummy */
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE
| IORESOURCE_IRQ_HIGHLEVEL, /* Dummy */
},
};
struct wifi_platform_data dhd_wlan_control = {
.set_power = dhd_wlan_set_power,
.set_reset = dhd_wlan_set_reset,
.set_carddetect = dhd_wlan_set_carddetect,
.get_mac_addr = dhd_wlan_get_mac_addr,
#ifdef CONFIG_DHD_USE_STATIC_BUF
.mem_prealloc = dhd_wlan_mem_prealloc,
#endif /* CONFIG_DHD_USE_STATIC_BUF */
.get_country_code = dhd_wlan_get_country_code,
};
int dhd_wlan_init_gpio(void)
{
int err = 0;
#ifdef CUSTOMER_OOB
int host_oob_irq = -1;
uint host_oob_irq_flags = 0;
#endif
/* Please check your schematic and fill right GPIO number which connected to
* WL_REG_ON and WL_HOST_WAKE.
*/
gpio_wl_reg_on = -1;
#ifdef CUSTOMER_OOB
gpio_wl_host_wake = -1;
#endif
if (gpio_wl_reg_on >= 0) {
err = gpio_request(gpio_wl_reg_on, "WL_REG_ON");
if (err < 0) {
printf("%s: gpio_request(%d) for WL_REG_ON failed\n",
__FUNCTION__, gpio_wl_reg_on);
gpio_wl_reg_on = -1;
}
}
#ifdef CUSTOMER_OOB
if (gpio_wl_host_wake >= 0) {
err = gpio_request(gpio_wl_host_wake, "bcmdhd");
if (err < 0) {
printf("%s: gpio_request(%d) for WL_HOST_WAKE failed\n",
__FUNCTION__, gpio_wl_host_wake);
return -1;
}
err = gpio_direction_input(gpio_wl_host_wake);
if (err < 0) {
printf("%s: gpio_direction_input(%d) for WL_HOST_WAKE failed\n",
__FUNCTION__, gpio_wl_host_wake);
gpio_free(gpio_wl_host_wake);
return -1;
}
host_oob_irq = gpio_to_irq(gpio_wl_host_wake);
if (host_oob_irq < 0) {
printf("%s: gpio_to_irq(%d) for WL_HOST_WAKE failed\n",
__FUNCTION__, gpio_wl_host_wake);
gpio_free(gpio_wl_host_wake);
return -1;
}
}
host_oob_irq = sunxi_wlan_get_oob_irq();
#ifdef HW_OOB
#ifdef HW_OOB_LOW_LEVEL
host_oob_irq_flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL | IORESOURCE_IRQ_SHAREABLE;
#else
host_oob_irq_flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL | IORESOURCE_IRQ_SHAREABLE;
#endif
#else
host_oob_irq_flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_SHAREABLE;
#endif
#ifdef CUSTOMER_HW_ALLWINNER
#ifdef HW_OOB
host_oob_irq_flags = sunxi_wlan_get_oob_irq_flags();
#endif
#endif
dhd_wlan_resources[0].start = dhd_wlan_resources[0].end = host_oob_irq;
dhd_wlan_resources[0].flags = host_oob_irq_flags;
printf("%s: WL_REG_ON=%d, WL_HOST_WAKE=%d\n", __FUNCTION__, gpio_wl_reg_on, gpio_wl_host_wake);
printf("%s: oob_irq=%d, oob_irq_flags=0x%x\n", __FUNCTION__, host_oob_irq, host_oob_irq_flags);
#endif /* CUSTOMER_OOB */
return 0;
}
static void dhd_wlan_deinit_gpio(void)
{
if (gpio_wl_reg_on >= 0) {
printf("%s: gpio_free(WL_REG_ON %d)\n", __FUNCTION__, gpio_wl_reg_on);
gpio_free(gpio_wl_reg_on);
gpio_wl_reg_on = -1;
}
#ifdef CUSTOMER_OOB
if (gpio_wl_host_wake >= 0) {
printf("%s: gpio_free(WL_HOST_WAKE %d)\n", __FUNCTION__, gpio_wl_host_wake);
gpio_free(gpio_wl_host_wake);
gpio_wl_host_wake = -1;
}
#endif /* CUSTOMER_OOB */
}
int dhd_wlan_init_plat_data(void)
{
int err = 0;
printf("======== %s ========\n", __FUNCTION__);
err = dhd_wlan_init_gpio();
return err;
}
void dhd_wlan_deinit_plat_data(wifi_adapter_info_t *adapter)
{
printf("======== %s ========\n", __FUNCTION__);
dhd_wlan_deinit_gpio();
}
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