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- /* ////////////////////////////////////////////////////////////////////////// */
- /* */
- /* Copyright (c) Atmel Corporation. All rights reserved. */
- /* */
- /* Module Name: wilc_sdio.c */
- /* */
- /* */
- /* //////////////////////////////////////////////////////////////////////////// */
- #include <linux/string.h>
- #include "wilc_wlan_if.h"
- #include "wilc_wlan.h"
- #define WILC_SDIO_BLOCK_SIZE 512
- typedef struct {
- void *os_context;
- u32 block_size;
- int (*sdio_cmd52)(sdio_cmd52_t *);
- int (*sdio_cmd53)(sdio_cmd53_t *);
- int (*sdio_set_max_speed)(void);
- int (*sdio_set_default_speed)(void);
- wilc_debug_func dPrint;
- int nint;
- #define MAX_NUN_INT_THRPT_ENH2 (5) /* Max num interrupts allowed in registers 0xf7, 0xf8 */
- int has_thrpt_enh3;
- } wilc_sdio_t;
- static wilc_sdio_t g_sdio;
- #ifdef WILC_SDIO_IRQ_GPIO
- static int sdio_write_reg(u32 addr, u32 data);
- static int sdio_read_reg(u32 addr, u32 *data);
- #endif
- /********************************************
- *
- * Function 0
- *
- ********************************************/
- static int sdio_set_func0_csa_address(u32 adr)
- {
- sdio_cmd52_t cmd;
- /**
- * Review: BIG ENDIAN
- **/
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = 0x10c;
- cmd.data = (u8)adr;
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd52, set 0x10c data...\n");
- goto _fail_;
- }
- cmd.address = 0x10d;
- cmd.data = (u8)(adr >> 8);
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd52, set 0x10d data...\n");
- goto _fail_;
- }
- cmd.address = 0x10e;
- cmd.data = (u8)(adr >> 16);
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd52, set 0x10e data...\n");
- goto _fail_;
- }
- return 1;
- _fail_:
- return 0;
- }
- static int sdio_set_func0_block_size(u32 block_size)
- {
- sdio_cmd52_t cmd;
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = 0x10;
- cmd.data = (u8)block_size;
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd52, set 0x10 data...\n");
- goto _fail_;
- }
- cmd.address = 0x11;
- cmd.data = (u8)(block_size >> 8);
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd52, set 0x11 data...\n");
- goto _fail_;
- }
- return 1;
- _fail_:
- return 0;
- }
- /********************************************
- *
- * Function 1
- *
- ********************************************/
- static int sdio_set_func1_block_size(u32 block_size)
- {
- sdio_cmd52_t cmd;
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = 0x110;
- cmd.data = (u8)block_size;
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd52, set 0x110 data...\n");
- goto _fail_;
- }
- cmd.address = 0x111;
- cmd.data = (u8)(block_size >> 8);
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd52, set 0x111 data...\n");
- goto _fail_;
- }
- return 1;
- _fail_:
- return 0;
- }
- static int sdio_clear_int(void)
- {
- #ifndef WILC_SDIO_IRQ_GPIO
- /* u32 sts; */
- sdio_cmd52_t cmd;
- cmd.read_write = 0;
- cmd.function = 1;
- cmd.raw = 0;
- cmd.address = 0x4;
- cmd.data = 0;
- g_sdio.sdio_cmd52(&cmd);
- return cmd.data;
- #else
- u32 reg;
- if (!sdio_read_reg(WILC_HOST_RX_CTRL_0, ®)) {
- g_sdio.dPrint(N_ERR, "[wilc spi]: Failed read reg (%08x)...\n", WILC_HOST_RX_CTRL_0);
- return 0;
- }
- reg &= ~0x1;
- sdio_write_reg(WILC_HOST_RX_CTRL_0, reg);
- return 1;
- #endif
- }
- u32 sdio_xfer_cnt(void)
- {
- u32 cnt = 0;
- sdio_cmd52_t cmd;
- cmd.read_write = 0;
- cmd.function = 1;
- cmd.raw = 0;
- cmd.address = 0x1C;
- cmd.data = 0;
- g_sdio.sdio_cmd52(&cmd);
- cnt = cmd.data;
- cmd.read_write = 0;
- cmd.function = 1;
- cmd.raw = 0;
- cmd.address = 0x1D;
- cmd.data = 0;
- g_sdio.sdio_cmd52(&cmd);
- cnt |= (cmd.data << 8);
- cmd.read_write = 0;
- cmd.function = 1;
- cmd.raw = 0;
- cmd.address = 0x1E;
- cmd.data = 0;
- g_sdio.sdio_cmd52(&cmd);
- cnt |= (cmd.data << 16);
- return cnt;
- }
- /********************************************
- *
- * Sdio interfaces
- *
- ********************************************/
- int sdio_check_bs(void)
- {
- sdio_cmd52_t cmd;
- /**
- * poll until BS is 0
- **/
- cmd.read_write = 0;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = 0xc;
- cmd.data = 0;
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Fail cmd 52, get BS register...\n");
- goto _fail_;
- }
- return 1;
- _fail_:
- return 0;
- }
- static int sdio_write_reg(u32 addr, u32 data)
- {
- #ifdef BIG_ENDIAN
- data = BYTE_SWAP(data);
- #endif
- if ((addr >= 0xf0) && (addr <= 0xff)) {
- sdio_cmd52_t cmd;
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = addr;
- cmd.data = data;
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd 52, read reg (%08x) ...\n", addr);
- goto _fail_;
- }
- } else {
- sdio_cmd53_t cmd;
- /**
- * set the AHB address
- **/
- if (!sdio_set_func0_csa_address(addr))
- goto _fail_;
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.address = 0x10f;
- cmd.block_mode = 0;
- cmd.increment = 1;
- cmd.count = 4;
- cmd.buffer = (u8 *)&data;
- cmd.block_size = g_sdio.block_size; /* johnny : prevent it from setting unexpected value */
- if (!g_sdio.sdio_cmd53(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd53, write reg (%08x)...\n", addr);
- goto _fail_;
- }
- }
- return 1;
- _fail_:
- return 0;
- }
- static int sdio_write(u32 addr, u8 *buf, u32 size)
- {
- u32 block_size = g_sdio.block_size;
- sdio_cmd53_t cmd;
- int nblk, nleft;
- cmd.read_write = 1;
- if (addr > 0) {
- /**
- * has to be word aligned...
- **/
- if (size & 0x3) {
- size += 4;
- size &= ~0x3;
- }
- /**
- * func 0 access
- **/
- cmd.function = 0;
- cmd.address = 0x10f;
- } else {
- /**
- * has to be word aligned...
- **/
- if (size & 0x3) {
- size += 4;
- size &= ~0x3;
- }
- /**
- * func 1 access
- **/
- cmd.function = 1;
- cmd.address = 0;
- }
- nblk = size / block_size;
- nleft = size % block_size;
- if (nblk > 0) {
- cmd.block_mode = 1;
- cmd.increment = 1;
- cmd.count = nblk;
- cmd.buffer = buf;
- cmd.block_size = block_size;
- if (addr > 0) {
- if (!sdio_set_func0_csa_address(addr))
- goto _fail_;
- }
- if (!g_sdio.sdio_cmd53(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd53 [%x], block send...\n", addr);
- goto _fail_;
- }
- if (addr > 0)
- addr += nblk * block_size;
- buf += nblk * block_size;
- }
- if (nleft > 0) {
- cmd.block_mode = 0;
- cmd.increment = 1;
- cmd.count = nleft;
- cmd.buffer = buf;
- cmd.block_size = block_size; /* johnny : prevent it from setting unexpected value */
- if (addr > 0) {
- if (!sdio_set_func0_csa_address(addr))
- goto _fail_;
- }
- if (!g_sdio.sdio_cmd53(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd53 [%x], bytes send...\n", addr);
- goto _fail_;
- }
- }
- return 1;
- _fail_:
- return 0;
- }
- static int sdio_read_reg(u32 addr, u32 *data)
- {
- if ((addr >= 0xf0) && (addr <= 0xff)) {
- sdio_cmd52_t cmd;
- cmd.read_write = 0;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = addr;
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd 52, read reg (%08x) ...\n", addr);
- goto _fail_;
- }
- *data = cmd.data;
- } else {
- sdio_cmd53_t cmd;
- if (!sdio_set_func0_csa_address(addr))
- goto _fail_;
- cmd.read_write = 0;
- cmd.function = 0;
- cmd.address = 0x10f;
- cmd.block_mode = 0;
- cmd.increment = 1;
- cmd.count = 4;
- cmd.buffer = (u8 *)data;
- cmd.block_size = g_sdio.block_size; /* johnny : prevent it from setting unexpected value */
- if (!g_sdio.sdio_cmd53(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd53, read reg (%08x)...\n", addr);
- goto _fail_;
- }
- }
- #ifdef BIG_ENDIAN
- *data = BYTE_SWAP(*data);
- #endif
- return 1;
- _fail_:
- return 0;
- }
- static int sdio_read(u32 addr, u8 *buf, u32 size)
- {
- u32 block_size = g_sdio.block_size;
- sdio_cmd53_t cmd;
- int nblk, nleft;
- cmd.read_write = 0;
- if (addr > 0) {
- /**
- * has to be word aligned...
- **/
- if (size & 0x3) {
- size += 4;
- size &= ~0x3;
- }
- /**
- * func 0 access
- **/
- cmd.function = 0;
- cmd.address = 0x10f;
- } else {
- /**
- * has to be word aligned...
- **/
- if (size & 0x3) {
- size += 4;
- size &= ~0x3;
- }
- /**
- * func 1 access
- **/
- cmd.function = 1;
- cmd.address = 0;
- }
- nblk = size / block_size;
- nleft = size % block_size;
- if (nblk > 0) {
- cmd.block_mode = 1;
- cmd.increment = 1;
- cmd.count = nblk;
- cmd.buffer = buf;
- cmd.block_size = block_size;
- if (addr > 0) {
- if (!sdio_set_func0_csa_address(addr))
- goto _fail_;
- }
- if (!g_sdio.sdio_cmd53(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd53 [%x], block read...\n", addr);
- goto _fail_;
- }
- if (addr > 0)
- addr += nblk * block_size;
- buf += nblk * block_size;
- } /* if (nblk > 0) */
- if (nleft > 0) {
- cmd.block_mode = 0;
- cmd.increment = 1;
- cmd.count = nleft;
- cmd.buffer = buf;
- cmd.block_size = block_size; /* johnny : prevent it from setting unexpected value */
- if (addr > 0) {
- if (!sdio_set_func0_csa_address(addr))
- goto _fail_;
- }
- if (!g_sdio.sdio_cmd53(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd53 [%x], bytes read...\n", addr);
- goto _fail_;
- }
- }
- return 1;
- _fail_:
- return 0;
- }
- /********************************************
- *
- * Bus interfaces
- *
- ********************************************/
- static int sdio_deinit(void *pv)
- {
- return 1;
- }
- static int sdio_sync(void)
- {
- u32 reg;
- /**
- * Disable power sequencer
- **/
- if (!sdio_read_reg(WILC_MISC, ®)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed read misc reg...\n");
- return 0;
- }
- reg &= ~BIT(8);
- if (!sdio_write_reg(WILC_MISC, reg)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed write misc reg...\n");
- return 0;
- }
- #ifdef WILC_SDIO_IRQ_GPIO
- {
- u32 reg;
- int ret;
- /**
- * interrupt pin mux select
- **/
- ret = sdio_read_reg(WILC_PIN_MUX_0, ®);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc spi]: Failed read reg (%08x)...\n", WILC_PIN_MUX_0);
- return 0;
- }
- reg |= BIT(8);
- ret = sdio_write_reg(WILC_PIN_MUX_0, reg);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc spi]: Failed write reg (%08x)...\n", WILC_PIN_MUX_0);
- return 0;
- }
- /**
- * interrupt enable
- **/
- ret = sdio_read_reg(WILC_INTR_ENABLE, ®);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc spi]: Failed read reg (%08x)...\n", WILC_INTR_ENABLE);
- return 0;
- }
- reg |= BIT(16);
- ret = sdio_write_reg(WILC_INTR_ENABLE, reg);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc spi]: Failed write reg (%08x)...\n", WILC_INTR_ENABLE);
- return 0;
- }
- }
- #endif
- return 1;
- }
- static int sdio_init(wilc_wlan_inp_t *inp, wilc_debug_func func)
- {
- sdio_cmd52_t cmd;
- int loop;
- u32 chipid;
- memset(&g_sdio, 0, sizeof(wilc_sdio_t));
- g_sdio.dPrint = func;
- g_sdio.os_context = inp->os_context.os_private;
- if (inp->io_func.io_init) {
- if (!inp->io_func.io_init(g_sdio.os_context)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed io init bus...\n");
- return 0;
- }
- } else {
- return 0;
- }
- g_sdio.sdio_cmd52 = inp->io_func.u.sdio.sdio_cmd52;
- g_sdio.sdio_cmd53 = inp->io_func.u.sdio.sdio_cmd53;
- g_sdio.sdio_set_max_speed = inp->io_func.u.sdio.sdio_set_max_speed;
- g_sdio.sdio_set_default_speed = inp->io_func.u.sdio.sdio_set_default_speed;
- /**
- * function 0 csa enable
- **/
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.raw = 1;
- cmd.address = 0x100;
- cmd.data = 0x80;
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Fail cmd 52, enable csa...\n");
- goto _fail_;
- }
- /**
- * function 0 block size
- **/
- if (!sdio_set_func0_block_size(WILC_SDIO_BLOCK_SIZE)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Fail cmd 52, set func 0 block size...\n");
- goto _fail_;
- }
- g_sdio.block_size = WILC_SDIO_BLOCK_SIZE;
- /**
- * enable func1 IO
- **/
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.raw = 1;
- cmd.address = 0x2;
- cmd.data = 0x2;
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio] Fail cmd 52, set IOE register...\n");
- goto _fail_;
- }
- /**
- * make sure func 1 is up
- **/
- cmd.read_write = 0;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = 0x3;
- loop = 3;
- do {
- cmd.data = 0;
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Fail cmd 52, get IOR register...\n");
- goto _fail_;
- }
- if (cmd.data == 0x2)
- break;
- } while (loop--);
- if (loop <= 0) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Fail func 1 is not ready...\n");
- goto _fail_;
- }
- /**
- * func 1 is ready, set func 1 block size
- **/
- if (!sdio_set_func1_block_size(WILC_SDIO_BLOCK_SIZE)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Fail set func 1 block size...\n");
- goto _fail_;
- }
- /**
- * func 1 interrupt enable
- **/
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.raw = 1;
- cmd.address = 0x4;
- cmd.data = 0x3;
- if (!g_sdio.sdio_cmd52(&cmd)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Fail cmd 52, set IEN register...\n");
- goto _fail_;
- }
- /**
- * make sure can read back chip id correctly
- **/
- if (!sdio_read_reg(0x1000, &chipid)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Fail cmd read chip id...\n");
- goto _fail_;
- }
- g_sdio.dPrint(N_ERR, "[wilc sdio]: chipid (%08x)\n", chipid);
- if ((chipid & 0xfff) > 0x2a0)
- g_sdio.has_thrpt_enh3 = 1;
- else
- g_sdio.has_thrpt_enh3 = 0;
- g_sdio.dPrint(N_ERR, "[wilc sdio]: has_thrpt_enh3 = %d...\n", g_sdio.has_thrpt_enh3);
- return 1;
- _fail_:
- return 0;
- }
- static void sdio_set_max_speed(void)
- {
- g_sdio.sdio_set_max_speed();
- }
- static void sdio_set_default_speed(void)
- {
- g_sdio.sdio_set_default_speed();
- }
- static int sdio_read_size(u32 *size)
- {
- u32 tmp;
- sdio_cmd52_t cmd;
- /**
- * Read DMA count in words
- **/
- cmd.read_write = 0;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = 0xf2;
- cmd.data = 0;
- g_sdio.sdio_cmd52(&cmd);
- tmp = cmd.data;
- /* cmd.read_write = 0; */
- /* cmd.function = 0; */
- /* cmd.raw = 0; */
- cmd.address = 0xf3;
- cmd.data = 0;
- g_sdio.sdio_cmd52(&cmd);
- tmp |= (cmd.data << 8);
- *size = tmp;
- return 1;
- }
- static int sdio_read_int(u32 *int_status)
- {
- u32 tmp;
- sdio_cmd52_t cmd;
- sdio_read_size(&tmp);
- /**
- * Read IRQ flags
- **/
- #ifndef WILC_SDIO_IRQ_GPIO
- cmd.function = 1;
- cmd.address = 0x04;
- cmd.data = 0;
- g_sdio.sdio_cmd52(&cmd);
- if (cmd.data & BIT(0))
- tmp |= INT_0;
- if (cmd.data & BIT(2))
- tmp |= INT_1;
- if (cmd.data & BIT(3))
- tmp |= INT_2;
- if (cmd.data & BIT(4))
- tmp |= INT_3;
- if (cmd.data & BIT(5))
- tmp |= INT_4;
- if (cmd.data & BIT(6))
- tmp |= INT_5;
- {
- int i;
- for (i = g_sdio.nint; i < MAX_NUM_INT; i++) {
- if ((tmp >> (IRG_FLAGS_OFFSET + i)) & 0x1) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Unexpected interrupt (1) : tmp=%x, data=%x\n", tmp, cmd.data);
- break;
- }
- }
- }
- #else
- {
- u32 irq_flags;
- cmd.read_write = 0;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = 0xf7;
- cmd.data = 0;
- g_sdio.sdio_cmd52(&cmd);
- irq_flags = cmd.data & 0x1f;
- tmp |= ((irq_flags >> 0) << IRG_FLAGS_OFFSET);
- }
- #endif
- *int_status = tmp;
- return 1;
- }
- static int sdio_clear_int_ext(u32 val)
- {
- int ret;
- if (g_sdio.has_thrpt_enh3) {
- u32 reg;
- #ifdef WILC_SDIO_IRQ_GPIO
- {
- u32 flags;
- flags = val & (BIT(MAX_NUN_INT_THRPT_ENH2) - 1);
- reg = flags;
- }
- #else
- reg = 0;
- #endif
- /* select VMM table 0 */
- if ((val & SEL_VMM_TBL0) == SEL_VMM_TBL0)
- reg |= BIT(5);
- /* select VMM table 1 */
- if ((val & SEL_VMM_TBL1) == SEL_VMM_TBL1)
- reg |= BIT(6);
- /* enable VMM */
- if ((val & EN_VMM) == EN_VMM)
- reg |= BIT(7);
- if (reg) {
- sdio_cmd52_t cmd;
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = 0xf8;
- cmd.data = reg;
- ret = g_sdio.sdio_cmd52(&cmd);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd52, set 0xf8 data (%d) ...\n", __LINE__);
- goto _fail_;
- }
- }
- } else {
- #ifdef WILC_SDIO_IRQ_GPIO
- {
- /* see below. has_thrpt_enh2 uses register 0xf8 to clear interrupts. */
- /* Cannot clear multiple interrupts. Must clear each interrupt individually */
- u32 flags;
- flags = val & (BIT(MAX_NUM_INT) - 1);
- if (flags) {
- int i;
- ret = 1;
- for (i = 0; i < g_sdio.nint; i++) {
- if (flags & 1) {
- sdio_cmd52_t cmd;
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = 0xf8;
- cmd.data = BIT(i);
- ret = g_sdio.sdio_cmd52(&cmd);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd52, set 0xf8 data (%d) ...\n", __LINE__);
- goto _fail_;
- }
- }
- if (!ret)
- break;
- flags >>= 1;
- }
- if (!ret)
- goto _fail_;
- for (i = g_sdio.nint; i < MAX_NUM_INT; i++) {
- if (flags & 1)
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Unexpected interrupt cleared %d...\n", i);
- flags >>= 1;
- }
- }
- }
- #endif /* WILC_SDIO_IRQ_GPIO */
- {
- u32 vmm_ctl;
- vmm_ctl = 0;
- /* select VMM table 0 */
- if ((val & SEL_VMM_TBL0) == SEL_VMM_TBL0)
- vmm_ctl |= BIT(0);
- /* select VMM table 1 */
- if ((val & SEL_VMM_TBL1) == SEL_VMM_TBL1)
- vmm_ctl |= BIT(1);
- /* enable VMM */
- if ((val & EN_VMM) == EN_VMM)
- vmm_ctl |= BIT(2);
- if (vmm_ctl) {
- sdio_cmd52_t cmd;
- cmd.read_write = 1;
- cmd.function = 0;
- cmd.raw = 0;
- cmd.address = 0xf6;
- cmd.data = vmm_ctl;
- ret = g_sdio.sdio_cmd52(&cmd);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed cmd52, set 0xf6 data (%d) ...\n", __LINE__);
- goto _fail_;
- }
- }
- }
- }
- return 1;
- _fail_:
- return 0;
- }
- static int sdio_sync_ext(int nint /* how mant interrupts to enable. */)
- {
- u32 reg;
- if (nint > MAX_NUM_INT) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Too many interupts (%d)...\n", nint);
- return 0;
- }
- if (nint > MAX_NUN_INT_THRPT_ENH2) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Error: Cannot support more than 5 interrupts when has_thrpt_enh2=1.\n");
- return 0;
- }
- g_sdio.nint = nint;
- /**
- * Disable power sequencer
- **/
- if (!sdio_read_reg(WILC_MISC, ®)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed read misc reg...\n");
- return 0;
- }
- reg &= ~BIT(8);
- if (!sdio_write_reg(WILC_MISC, reg)) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed write misc reg...\n");
- return 0;
- }
- #ifdef WILC_SDIO_IRQ_GPIO
- {
- u32 reg;
- int ret, i;
- /**
- * interrupt pin mux select
- **/
- ret = sdio_read_reg(WILC_PIN_MUX_0, ®);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed read reg (%08x)...\n", WILC_PIN_MUX_0);
- return 0;
- }
- reg |= BIT(8);
- ret = sdio_write_reg(WILC_PIN_MUX_0, reg);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed write reg (%08x)...\n", WILC_PIN_MUX_0);
- return 0;
- }
- /**
- * interrupt enable
- **/
- ret = sdio_read_reg(WILC_INTR_ENABLE, ®);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed read reg (%08x)...\n", WILC_INTR_ENABLE);
- return 0;
- }
- for (i = 0; (i < 5) && (nint > 0); i++, nint--)
- reg |= BIT((27 + i));
- ret = sdio_write_reg(WILC_INTR_ENABLE, reg);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed write reg (%08x)...\n", WILC_INTR_ENABLE);
- return 0;
- }
- if (nint) {
- ret = sdio_read_reg(WILC_INTR2_ENABLE, ®);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed read reg (%08x)...\n", WILC_INTR2_ENABLE);
- return 0;
- }
- for (i = 0; (i < 3) && (nint > 0); i++, nint--)
- reg |= BIT(i);
- ret = sdio_read_reg(WILC_INTR2_ENABLE, ®);
- if (!ret) {
- g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed write reg (%08x)...\n", WILC_INTR2_ENABLE);
- return 0;
- }
- }
- }
- #endif /* WILC_SDIO_IRQ_GPIO */
- return 1;
- }
- /********************************************
- *
- * Global sdio HIF function table
- *
- ********************************************/
- wilc_hif_func_t hif_sdio = {
- sdio_init,
- sdio_deinit,
- sdio_read_reg,
- sdio_write_reg,
- sdio_read,
- sdio_write,
- sdio_sync,
- sdio_clear_int,
- sdio_read_int,
- sdio_clear_int_ext,
- sdio_read_size,
- sdio_write,
- sdio_read,
- sdio_sync_ext,
- sdio_set_max_speed,
- sdio_set_default_speed,
- };
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