1 #include "wilc_wfi_netdevice.h"
3 #include <linux/mmc/sdio_func.h>
4 #include <linux/mmc/card.h>
5 #include <linux/mmc/sdio_ids.h>
6 #include <linux/mmc/sdio.h>
7 #include <linux/mmc/host.h>
11 #if defined (NM73131_0_BOARD)
12 #define SDIO_MODALIAS "wilc_sdio"
14 #define SDIO_MODALIAS "wilc1000_sdio"
17 #if defined (NM73131_0_BOARD)
18 #define MAX_SPEED 50000000
19 #elif defined(CUSTOMER_PLATFORM)
20 /* TODO : User have to stable bus clock as user's environment. */
22 #define MAX_SPEED MAX_BUS_SPEED
24 #define MAX_SPEED 50000000
27 #define MAX_SPEED (6 * 1000000) /* Max 50M */
31 struct sdio_func *local_sdio_func;
32 extern linux_wlan_t *g_linux_wlan;
33 extern int wilc_netdev_init(void);
34 extern void wilc_handle_isr(void);
36 static unsigned int sdio_default_speed;
38 #define SDIO_VENDOR_ID_WILC 0x0296
39 #define SDIO_DEVICE_ID_WILC 0x5347
41 static const struct sdio_device_id wilc_sdio_ids[] = {
42 { SDIO_DEVICE(SDIO_VENDOR_ID_WILC, SDIO_DEVICE_ID_WILC) },
46 static void wilc_sdio_interrupt(struct sdio_func *func)
48 #ifndef WILC_SDIO_IRQ_GPIO
49 sdio_release_host(func);
51 sdio_claim_host(func);
56 int linux_sdio_cmd52(sdio_cmd52_t *cmd)
58 struct sdio_func *func = g_linux_wlan->wilc_sdio_func;
62 sdio_claim_host(func);
64 func->num = cmd->function;
65 if (cmd->read_write) { /* write */
67 sdio_writeb(func, cmd->data, cmd->address, &ret);
68 data = sdio_readb(func, cmd->address, &ret);
71 sdio_writeb(func, cmd->data, cmd->address, &ret);
74 data = sdio_readb(func, cmd->address, &ret);
78 sdio_release_host(func);
81 PRINT_ER("wilc_sdio_cmd52..failed, err(%d)\n", ret);
88 int linux_sdio_cmd53(sdio_cmd53_t *cmd)
90 struct sdio_func *func = g_linux_wlan->wilc_sdio_func;
93 sdio_claim_host(func);
95 func->num = cmd->function;
96 func->cur_blksize = cmd->block_size;
98 size = cmd->count * cmd->block_size;
102 if (cmd->read_write) { /* write */
103 ret = sdio_memcpy_toio(func, cmd->address, (void *)cmd->buffer, size);
105 ret = sdio_memcpy_fromio(func, (void *)cmd->buffer, cmd->address, size);
108 sdio_release_host(func);
112 PRINT_ER("wilc_sdio_cmd53..failed, err(%d)\n", ret);
119 volatile int probe; /* COMPLEMENT_BOOT */
120 static int linux_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
122 PRINT_D(INIT_DBG, "probe function\n");
124 #ifdef COMPLEMENT_BOOT
125 if (local_sdio_func != NULL) {
126 local_sdio_func = func;
128 PRINT_D(INIT_DBG, "local_sdio_func isn't NULL\n");
132 PRINT_D(INIT_DBG, "Initializing netdev\n");
133 local_sdio_func = func;
134 if (wilc_netdev_init()) {
135 PRINT_ER("Couldn't initialize netdev\n");
139 printk("Driver Initializing success\n");
143 static void linux_sdio_remove(struct sdio_func *func)
151 struct sdio_driver wilc_bus = {
152 .name = SDIO_MODALIAS,
153 .id_table = wilc_sdio_ids,
154 .probe = linux_sdio_probe,
155 .remove = linux_sdio_remove,
158 int enable_sdio_interrupt(void)
161 #ifndef WILC_SDIO_IRQ_GPIO
163 sdio_claim_host(local_sdio_func);
164 ret = sdio_claim_irq(local_sdio_func, wilc_sdio_interrupt);
165 sdio_release_host(local_sdio_func);
168 PRINT_ER("can't claim sdio_irq, err(%d)\n", ret);
175 void disable_sdio_interrupt(void)
178 #ifndef WILC_SDIO_IRQ_GPIO
181 PRINT_D(INIT_DBG, "disable_sdio_interrupt IN\n");
183 sdio_claim_host(local_sdio_func);
184 ret = sdio_release_irq(local_sdio_func);
186 PRINT_ER("can't release sdio_irq, err(%d)\n", ret);
188 sdio_release_host(local_sdio_func);
190 PRINT_D(INIT_DBG, "disable_sdio_interrupt OUT\n");
194 static int linux_sdio_set_speed(int speed)
197 sdio_claim_host(local_sdio_func);
199 memcpy((void *)&ios, (void *)&local_sdio_func->card->host->ios, sizeof(struct mmc_ios));
200 local_sdio_func->card->host->ios.clock = speed;
202 local_sdio_func->card->host->ops->set_ios(local_sdio_func->card->host, &ios);
203 sdio_release_host(local_sdio_func);
204 PRINT_INFO(INIT_DBG, "@@@@@@@@@@@@ change SDIO speed to %d @@@@@@@@@\n", speed);
209 static int linux_sdio_get_speed(void)
211 return local_sdio_func->card->host->ios.clock;
214 int linux_sdio_init(void *pv)
222 sdio_default_speed = linux_sdio_get_speed();
226 void linux_sdio_deinit(void *pv)
234 sdio_unregister_driver(&wilc_bus);
237 int linux_sdio_set_max_speed(void)
239 return linux_sdio_set_speed(MAX_SPEED);
242 int linux_sdio_set_default_speed(void)
244 return linux_sdio_set_speed(sdio_default_speed);