diff options
Diffstat (limited to 'drivers/staging/wilc1000/linux_wlan_sdio.c')
| -rw-r--r-- | drivers/staging/wilc1000/linux_wlan_sdio.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/drivers/staging/wilc1000/linux_wlan_sdio.c b/drivers/staging/wilc1000/linux_wlan_sdio.c deleted file mode 100644 index 4aff953a88f1..000000000000 --- a/drivers/staging/wilc1000/linux_wlan_sdio.c +++ /dev/null @@ -1,251 +0,0 @@ -#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> - - - -#define SDIO_MODALIAS "wilc1000_sdio" - -#if 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 wilc_sdio { - struct sdio_func *func; - struct wilc *wilc; -}; - -struct sdio_func *local_sdio_func; - -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) -{ - struct wilc_sdio *wl_sdio; - - wl_sdio = sdio_get_drvdata(func); - -#ifndef WILC_SDIO_IRQ_GPIO - sdio_release_host(func); - wilc_handle_isr(wl_sdio->wilc); - 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; -} - -static int linux_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) -{ - struct wilc_sdio *wl_sdio; - struct wilc *wilc; - - PRINT_D(INIT_DBG, "probe function\n"); - wl_sdio = kzalloc(sizeof(struct wilc_sdio), GFP_KERNEL); - if (!wl_sdio) - return -ENOMEM; - - PRINT_D(INIT_DBG, "Initializing netdev\n"); - local_sdio_func = func; - if (wilc_netdev_init(&wilc)) { - PRINT_ER("Couldn't initialize netdev\n"); - kfree(wl_sdio); - return -1; - } - wl_sdio->func = func; - wl_sdio->wilc = wilc; - sdio_set_drvdata(func, wl_sdio); - - printk("Driver Initializing success\n"); - return 0; -} - -static void linux_sdio_remove(struct sdio_func *func) -{ - struct wilc_sdio *wl_sdio; - - wl_sdio = sdio_get_drvdata(func); - wl_wlan_cleanup(); - kfree(wl_sdio); -} - -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); -} - - - |