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#include "wilc_wfi_netdevice.h"
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/card.h>
#include <linux/mmc/sdio_ids.h>
#include <linux/mmc/sdio.h>
#include <linux/mmc/host.h>
#if defined (NM73131_0_BOARD)
#define SDIO_MODALIAS "wilc_sdio"
#else
#define SDIO_MODALIAS "wilc1000_sdio"
#endif
#if defined (NM73131_0_BOARD)
#define MAX_SPEED 50000000
#elif defined(CUSTOMER_PLATFORM)
/* TODO : User have to stable bus clock as user's environment. */
#ifdef MAX_BUS_SPEED
#define MAX_SPEED MAX_BUS_SPEED
#else
#define MAX_SPEED 50000000
#endif
#else
#define MAX_SPEED (6 * 1000000) /* Max 50M */
#endif
struct sdio_func *local_sdio_func;
extern linux_wlan_t *g_linux_wlan;
extern int wilc_netdev_init(void);
extern int sdio_clear_int(void);
extern void wilc_handle_isr(void);
static unsigned int sdio_default_speed;
#define SDIO_VENDOR_ID_WILC 0x0296
#define SDIO_DEVICE_ID_WILC 0x5347
static const struct sdio_device_id wilc_sdio_ids[] = {
{ SDIO_DEVICE(SDIO_VENDOR_ID_WILC, SDIO_DEVICE_ID_WILC) },
};
static void wilc_sdio_interrupt(struct sdio_func *func)
{
#ifndef WILC_SDIO_IRQ_GPIO
sdio_release_host(func);
wilc_handle_isr();
sdio_claim_host(func);
#endif
}
int linux_sdio_cmd52(sdio_cmd52_t *cmd)
{
struct sdio_func *func = g_linux_wlan->wilc_sdio_func;
int ret;
u8 data;
sdio_claim_host(func);
func->num = cmd->function;
if (cmd->read_write) { /* write */
if (cmd->raw) {
sdio_writeb(func, cmd->data, cmd->address, &ret);
data = sdio_readb(func, cmd->address, &ret);
cmd->data = data;
} else {
sdio_writeb(func, cmd->data, cmd->address, &ret);
}
} else { /* read */
data = sdio_readb(func, cmd->address, &ret);
cmd->data = data;
}
sdio_release_host(func);
if (ret < 0) {
PRINT_ER("wilc_sdio_cmd52..failed, err(%d)\n", ret);
return 0;
}
return 1;
}
int linux_sdio_cmd53(sdio_cmd53_t *cmd)
{
struct sdio_func *func = g_linux_wlan->wilc_sdio_func;
int size, ret;
sdio_claim_host(func);
func->num = cmd->function;
func->cur_blksize = cmd->block_size;
if (cmd->block_mode)
size = cmd->count * cmd->block_size;
else
size = cmd->count;
if (cmd->read_write) { /* write */
ret = sdio_memcpy_toio(func, cmd->address, (void *)cmd->buffer, size);
} else { /* read */
ret = sdio_memcpy_fromio(func, (void *)cmd->buffer, cmd->address, size);
}
sdio_release_host(func);
if (ret < 0) {
PRINT_ER("wilc_sdio_cmd53..failed, err(%d)\n", ret);
return 0;
}
return 1;
}
volatile int probe; /* COMPLEMENT_BOOT */
static int linux_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
{
PRINT_D(INIT_DBG, "probe function\n");
#ifdef COMPLEMENT_BOOT
if (local_sdio_func != NULL) {
local_sdio_func = func;
probe = 1;
PRINT_D(INIT_DBG, "local_sdio_func isn't NULL\n");
return 0;
}
#endif
PRINT_D(INIT_DBG, "Initializing netdev\n");
local_sdio_func = func;
if (wilc_netdev_init()) {
PRINT_ER("Couldn't initialize netdev\n");
return -1;
}
printk("Driver Initializing success\n");
return 0;
}
static void linux_sdio_remove(struct sdio_func *func)
{
/**
* TODO
**/
}
struct sdio_driver wilc_bus = {
.name = SDIO_MODALIAS,
.id_table = wilc_sdio_ids,
.probe = linux_sdio_probe,
.remove = linux_sdio_remove,
};
int enable_sdio_interrupt(void)
{
int ret = 0;
#ifndef WILC_SDIO_IRQ_GPIO
sdio_claim_host(local_sdio_func);
ret = sdio_claim_irq(local_sdio_func, wilc_sdio_interrupt);
sdio_release_host(local_sdio_func);
if (ret < 0) {
PRINT_ER("can't claim sdio_irq, err(%d)\n", ret);
ret = -EIO;
}
#endif
return ret;
}
void disable_sdio_interrupt(void)
{
#ifndef WILC_SDIO_IRQ_GPIO
int ret;
PRINT_D(INIT_DBG, "disable_sdio_interrupt IN\n");
sdio_claim_host(local_sdio_func);
ret = sdio_release_irq(local_sdio_func);
if (ret < 0) {
PRINT_ER("can't release sdio_irq, err(%d)\n", ret);
}
sdio_release_host(local_sdio_func);
PRINT_D(INIT_DBG, "disable_sdio_interrupt OUT\n");
#endif
}
static int linux_sdio_set_speed(int speed)
{
struct mmc_ios ios;
sdio_claim_host(local_sdio_func);
memcpy((void *)&ios, (void *)&local_sdio_func->card->host->ios, sizeof(struct mmc_ios));
local_sdio_func->card->host->ios.clock = speed;
ios.clock = speed;
local_sdio_func->card->host->ops->set_ios(local_sdio_func->card->host, &ios);
sdio_release_host(local_sdio_func);
PRINT_INFO(INIT_DBG, "@@@@@@@@@@@@ change SDIO speed to %d @@@@@@@@@\n", speed);
return 1;
}
static int linux_sdio_get_speed(void)
{
return local_sdio_func->card->host->ios.clock;
}
int linux_sdio_init(void *pv)
{
/**
* TODO :
**/
sdio_default_speed = linux_sdio_get_speed();
return 1;
}
void linux_sdio_deinit(void *pv)
{
/**
* TODO :
**/
sdio_unregister_driver(&wilc_bus);
}
int linux_sdio_set_max_speed(void)
{
return linux_sdio_set_speed(MAX_SPEED);
}
int linux_sdio_set_default_speed(void)
{
return linux_sdio_set_speed(sdio_default_speed);
}
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