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- /*
- * linux/drivers/mmc/s3c-hsmmc.c - Samsung S3C24XX HS-MMC driver
- *
- * $Id: s3c-hsmmc.c,v 1.73 2008/04/13 23:56:19 jsgood Exp $
- *
- * Copyright (C) 2006 Samsung Electronics, All Rights Reserved.
- * by Suh, Seung-Chull<sc.suh@samsung.com>
- *
- * This driver is made for High Speed MMC interface. This interface
- * is adopted and implemented since s3c2443 was made.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Modified by Ryu,Euiyoul <steven.ryu@samsung.com>
- * Modified by Suh, Seung-chull to support s3c6400
- *
- * Note: s3c-hsmmc.c can be used for 1 channel only at same time.
- *
- */
- #include <linux/module.h>
- #include <linux/init.h>
- #include <linux/ioport.h>
- #include <linux/platform_device.h>
- #include <linux/delay.h>
- #include <linux/interrupt.h>
- #include <linux/highmem.h>
- #include <linux/dma-mapping.h>
- #include <linux/mmc/host.h>
- #include <linux/mmc/protocol.h>
- #include <linux/mmc/card.h>
- #include <linux/err.h>
- #include <linux/clk.h>
- #include <linux/proc_fs.h>
- #include <linux/irq.h>
- #include <linux/major.h> //Qisda, Asaku Chen, 2009/08/20, for wifi power
- #include <asm/dma.h>
- #include <asm/dma-mapping.h>
- #include <asm/io.h>
- #include <asm/irq.h>
- #include <asm/scatterlist.h>
- #include <asm/sizes.h>
- #include <asm/mach/mmc.h>
- #include <asm/arch/regs-gpio.h>
- #include <asm/arch/regs-gpioj.h>
- #include <asm/arch/regs-hsmmc.h>
- #include <asm/plat-s3c24xx/clock.h>
- #include <asm/arch/dma.h>
- #include <asm/arch/hsmmc.h>
- /*Qisda , wenny cheng , 20091224 , board id info {*/
- #include <../include/asm-arm/plat-s3c24xx/common-smdk.h>
- /*Qisda , wenny cheng , 20091224 , board id info }*/
- /*Trevor add for debug*/
- /*#define CONFIG_S3CMMC_DEBUG*/
- #ifdef CONFIG_S3CMMC_DEBUG
- #define DBG(x...) printk(PFX x)
- #else
- #define DBG(x...) do { } while (0)
- #endif
- #include "s3c-hsmmc.h"
- #define DRIVER_NAME "s3c-hsmmc"
- #define PFX DRIVER_NAME ": "
- #define MULTICARD_ON_SINGLEBUS_SUPPORT
- #undef MULTICARD_ON_SINGLEBUS_SUPPORT
- #define RESSIZE(ressource) (((ressource)->end - (ressource)->start)+1)
- #if defined(CONFIG_PM)
- struct s3c_hsmmc_host *global_host[3];
- #endif
- static void s3c_hsmmc_tasklet_finish (unsigned long param);
- /*Qisda , wenny cheng , 20091224 , board id info {*/
- extern int board_id;
- /*Qisda , wenny cheng , 20091224 , board id info }*/
- static int inResume = 0; //howard, 2009/12/22, fix resume card-detect
- /*Qisda,2009/7/28,Leo SJ Yang {*/
- /*Fix: Must plug-in twice ,SD is reconginzed by system*/
- /* GEORGE 20090608 update for module on board.*/
- static int card_detect = 0;
- static int card_detect2 = 2;
- /* GEORGE 20090608 update for module on board.*/
- /*}Qisda,2009/7/28,Leo SJ Yang*/
- /* Qisda , howard hsu, 2010/01/16 , op_mode-delay key event {*/
- //extern void op_mode_delay_message_to_ap();
- /* } Qisda , howard hsu, 2010/01/16 , op_mode-delay key event */
- /* Qisda, howard hsu, 2010/01/21, SW_DEBOUNCE for sd card { */
- // disable it first, wait integration test
- #ifdef CONFIG_SD_SW_DEBOUNCE
- static int SDCardStatus = 16;
- #define SD_INSERTED 0
- #define SD_REMOVED 2
- #define CHECK_MSEC 50
- #define INSERT_MSEC 800
- #define REMOVE_MSEC 800
- static struct timer_list sd_detect_timer;
- static void sdcard_debounce_timer(unsigned long data);
- static int ReadSDCardStatus()
- {
- int SDStatus= 0;
- #if defined(CONFIG_CPU_S3C2450) || defined(CONFIG_CPU_S3C2416)
- SDStatus = readl(S3C2410_GPFDAT);
- SDStatus &= SD_REMOVED; /* GPF1 */
- #elif defined(CONFIG_CPU_S3C6410)
- SDStatus = readl(S3C_GPNDAT);
- SDStatus &= 0x2000; /* GPN13 */
- #endif
- return SDStatus;
- }
- static void sdcard_debounce_timer(unsigned long data)
- {
- static unsigned int StayCount = 0;
- static unsigned int MaxCount = 2*INSERT_MSEC/CHECK_MSEC;
- static unsigned int MidCount = INSERT_MSEC/CHECK_MSEC;
- static unsigned int MinCount = INSERT_MSEC/CHECK_MSEC/2;
- static int LastSDCardStatus = 0xF;
- int RawStatus = ReadSDCardStatus();
- /* stay count in case of resume in progress */
- if (inResume == 1)
- {
- mod_timer(&sd_detect_timer ,jiffies+msecs_to_jiffies(CHECK_MSEC));
- return;
- }
- if ( SDCardStatus == RawStatus )
- {
- StayCount++;
- if (StayCount >= MaxCount)
- {
- StayCount = 0;
- LastSDCardStatus = SDCardStatus;
- del_timer(&sd_detect_timer);
- }
- else if (StayCount == MidCount)
- {
- struct s3c_hsmmc_host *s3c_host = global_host[0];
- struct mmc_host *host = s3c_host->mmc;
-
- if (SDCardStatus == LastSDCardStatus )
- {
- //StayCount = 0;
- //LastSDCardStatus = 0xF;
- }
- mmc_detect_change(host, 1);
- mod_timer(&sd_detect_timer, jiffies+msecs_to_jiffies(CHECK_MSEC));
- }
- else if ( StayCount==MinCount )
- {
- /* call detect twice for SD_INSERTED case */
- //if (SDCardStatus == LastSDCardStatus )
- if (SDCardStatus == SD_INSERTED )
- {
- struct s3c_hsmmc_host *s3c_host = global_host[0];
- struct mmc_host *host = s3c_host->mmc;
- mmc_detect_change(host, 1);
- }
- mod_timer(&sd_detect_timer, jiffies+msecs_to_jiffies(CHECK_MSEC));
- }
- else
- {
- mod_timer(&sd_detect_timer, jiffies+msecs_to_jiffies(CHECK_MSEC));
- }
- }
- else
- {
- SDCardStatus = RawStatus;
- if (SDCardStatus==SD_INSERTED) {
- MaxCount = 2*INSERT_MSEC/CHECK_MSEC;
- MidCount = INSERT_MSEC/CHECK_MSEC;
- }
- else {
- MaxCount = 2*REMOVE_MSEC/CHECK_MSEC;
- MidCount = REMOVE_MSEC/CHECK_MSEC;
- }
- StayCount = 0;
- mod_timer(&sd_detect_timer ,jiffies+msecs_to_jiffies(CHECK_MSEC));
- }
- }
- #endif /* CONFIG_SD_SW_DEBOUNCE */
- /* } Qisda, howard hsu, 2010/01/21, SW_DEBOUNCE for sd card */
- /*****************************************************************************\
- * *
- * Low level functions *
- * *
- \*****************************************************************************/
- static struct s3c_hsmmc_cfg s3c_hsmmc_platform = {
- .hwport = 0,
- .enabled = 0,
- .host_caps = (MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE),
- .base = NULL,
- .highspeed = 0,
- /* ctrl for mmc */
- .fd_ctrl[0] = {
- .ctrl2 = 0xC0004100, /* ctrl2 for mmc */
- .ctrl3[0] = 0x80808080, /* ctrl3 for low speed */
- .ctrl3[1] = 0x00000080, /* ctrl3 for high speed */
- .ctrl4 = 0,
- },
- /* ctrl for sd */
- .fd_ctrl[1] = {
- .ctrl2 = 0xC0000100, /* ctrl2 for sd */
- .ctrl3[0] = 0, /* ctrl3 for low speed */
- .ctrl3[1] = 0, /* ctrl3 for high speed */
- .ctrl4 = 0,
- },
- };
- static int s3c_hsmmc_power_switch(int channel, int arg)
- {
- //printk("\n== s3c_hsmmc_power_switch, channel: %d, power: %d\n", channel, arg);
- if(arg){
- if(channel == 0){
- //Power on
- #ifdef CONFIG_QISDA_QD090B00
- /*Qisda , wenny cheng , 20091224 , board id info {*/
- //if((readl(S3C2416_GPKDAT) & (0x3<<3))){
- if(board_id!=QD090B00_S02){
- s3c2410_gpio_cfgpin(S3C2410_GPD14, S3C2410_GPD14_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPD14, 1);
- }
- else{
- s3c2410_gpio_cfgpin(S3C2410_GPG2, S3C2410_GPG2_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPG2, 1);
- }
- /*Qisda , wenny cheng , 20091224 , board id info }*/
- #endif
- #ifdef CONFIG_QISDA_QD060B00
- #ifdef CONFIG_QISDA_BK060B00
-
- s3c2410_gpio_cfgpin(S3C2410_GPH4, S3C2410_GPH4_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPH4, 1);
- #else
- s3c2410_gpio_cfgpin(S3C2410_GPG2, S3C2410_GPG2_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPG2, 1);
- #endif
-
- #endif
- //Signal
- s3c2410_gpio_cfgpin(S3C2410_GPE5, S3C2450_GPE5_SD0_CLK);
- s3c2410_gpio_cfgpin(S3C2410_GPE6, S3C2450_GPE6_SD0_CMD);
- s3c2410_gpio_cfgpin(S3C2410_GPE7, S3C2450_GPE7_SD0_DAT0);
- s3c2410_gpio_cfgpin(S3C2410_GPE8, S3C2450_GPE8_SD0_DAT1);
- s3c2410_gpio_cfgpin(S3C2410_GPE9, S3C2450_GPE9_SD0_DAT2);
- s3c2410_gpio_cfgpin(S3C2410_GPE10, S3C2450_GPE10_SD0_DAT3);
- }
- else if(channel == 1){
- s3c2410_gpio_cfgpin(S3C2443_GPL8, S3C2450_GPL8_SD1CMD);
- s3c2410_gpio_cfgpin(S3C2443_GPL9, S3C2450_GPL9_SD1CLK);
- s3c2410_gpio_cfgpin(S3C2443_GPL0, S3C2450_GPL0_SD1DAT0);
- s3c2410_gpio_cfgpin(S3C2443_GPL1, S3C2450_GPL1_SD1DAT1);
- s3c2410_gpio_cfgpin(S3C2443_GPL2, S3C2450_GPL2_SD1DAT2);
- s3c2410_gpio_cfgpin(S3C2443_GPL3, S3C2450_GPL3_SD1DAT3);
- }
- }
- else{
- if(channel == 0){
- //Power off
- #ifdef CONFIG_QISDA_QD090B00
- /*Qisda , wenny cheng , 20091224 , board id info {*/
- //if((readl(S3C2416_GPKDAT) & (0x3<<3))){
- if(board_id!=QD090B00_S02){
- s3c2410_gpio_cfgpin(S3C2410_GPD14, S3C2410_GPD14_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPD14, 0);
- }
- else{
- s3c2410_gpio_cfgpin(S3C2410_GPG2, S3C2410_GPG2_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPG2, 0);
- }
- /*Qisda , wenny cheng , 20091224 , board id info }*/
- #endif
- #ifdef CONFIG_QISDA_QD060B00
- #ifdef CONFIG_QISDA_BK060B00
-
- s3c2410_gpio_cfgpin(S3C2410_GPH4, S3C2410_GPH4_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPH4, 0);
- #else
- s3c2410_gpio_cfgpin(S3C2410_GPG2, S3C2410_GPG2_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPG2, 0);
- #endif
- #endif
- //Signal
- s3c2410_gpio_cfgpin(S3C2410_GPE5, S3C2410_GPE5_INP);
- s3c2410_gpio_pullup(S3C2410_GPE5, 1);
- s3c2410_gpio_cfgpin(S3C2410_GPE6, S3C2410_GPE6_INP);
- s3c2410_gpio_pullup(S3C2410_GPE6, 1);
- s3c2410_gpio_cfgpin(S3C2410_GPE7, S3C2410_GPE7_INP);
- s3c2410_gpio_pullup(S3C2410_GPE7, 1);
- s3c2410_gpio_cfgpin(S3C2410_GPE8, S3C2410_GPE8_INP);
- s3c2410_gpio_pullup(S3C2410_GPE8, 1);
- s3c2410_gpio_cfgpin(S3C2410_GPE9, S3C2410_GPE9_INP);
- s3c2410_gpio_pullup(S3C2410_GPE9, 1);
- s3c2410_gpio_cfgpin(S3C2410_GPE10, S3C2410_GPE10_INP);
- s3c2410_gpio_pullup(S3C2410_GPE10, 1);
- }
- else if(channel == 1){
- s3c2410_gpio_cfgpin(S3C2443_GPL8, S3C2443_GPL8_INP);
- s3c2410_gpio_pullup(S3C2443_GPL8, 0);
- s3c2410_gpio_cfgpin(S3C2443_GPL9, S3C2443_GPL9_INP);
- s3c2410_gpio_pullup(S3C2443_GPL9, 1);
- s3c2410_gpio_cfgpin(S3C2443_GPL0, S3C3443_GPL0_INP);
- s3c2410_gpio_pullup(S3C2443_GPL0, 0);
- s3c2410_gpio_cfgpin(S3C2443_GPL1, S3C2443_GPL1_INP);
- s3c2410_gpio_pullup(S3C2443_GPL1, 0);
- s3c2410_gpio_cfgpin(S3C2443_GPL2, S3C2443_GPL2_INP);
- s3c2410_gpio_pullup(S3C2443_GPL2, 0);
- s3c2410_gpio_cfgpin(S3C2443_GPL3, S3C2443_GPL3_INP);
- s3c2410_gpio_pullup(S3C2443_GPL3, 0);
- }
- }
- }
- /* s3c_hsmmc_get_platdata
- *
- * get the platform data associated with the given device, or return
- * the default if there is none
- */
- static struct s3c_hsmmc_cfg *s3c_hsmmc_get_platdata (struct device *dev)
- {
- if (dev->platform_data != NULL)
- return (struct s3c_hsmmc_cfg *)dev->platform_data;
- return &s3c_hsmmc_platform;
- }
- static void s3c_hsmmc_reset (struct s3c_hsmmc_host *host, u8 mask)
- {
- unsigned long timeout;
- s3c_hsmmc_writeb(mask, S3C_HSMMC_SWRST);
- if (mask & S3C_HSMMC_RESET_ALL)
- host->clock = (uint)-1;
- /* Wait max 100 ms */
- timeout = 100;
- /* hw clears the bit when it's done */
- while (s3c_hsmmc_readb(S3C_HSMMC_SWRST) & mask) {
- if (timeout == 0) {
- printk("%s: Reset 0x%x never completed. \n",
- mmc_hostname(host->mmc), (int)mask);
- return;
- }
- timeout--;
- mdelay(1);
- }
- }
- static void s3c_hsmmc_ios_init (struct s3c_hsmmc_host *host)
- {
- u32 intmask;
- s3c_hsmmc_reset(host, S3C_HSMMC_RESET_ALL);
- intmask = S3C_HSMMC_INT_BUS_POWER | S3C_HSMMC_INT_DATA_END_BIT |
- S3C_HSMMC_INT_DATA_CRC | S3C_HSMMC_INT_DATA_TIMEOUT | S3C_HSMMC_INT_INDEX |
- S3C_HSMMC_INT_END_BIT | S3C_HSMMC_INT_CRC | S3C_HSMMC_INT_TIMEOUT |
- S3C_HSMMC_INT_CARD_REMOVE | S3C_HSMMC_INT_CARD_INSERT |
- S3C_HSMMC_INT_DATA_AVAIL | S3C_HSMMC_INT_SPACE_AVAIL |
- S3C_HSMMC_INT_DATA_END | S3C_HSMMC_INT_RESPONSE;
- #ifdef CONFIG_HSMMC_SCATTERGATHER
- intmask |= S3C_HSMMC_INT_DMA_END;
- #endif
- s3c_hsmmc_writel(intmask, S3C_HSMMC_NORINTSTSEN);
- s3c_hsmmc_writel(intmask, S3C_HSMMC_NORINTSIGEN);
- }
- /*****************************************************************************\
- * *
- * Tasklets *
- * *
- \*****************************************************************************/
- static void s3c_hsmmc_tasklet_card (ulong param)
- {
- struct s3c_hsmmc_host *host;
- unsigned long iflags;
- host = (struct s3c_hsmmc_host*)param;
- spin_lock_irqsave(&host->lock, iflags);
- if (!(s3c_hsmmc_readl(S3C_HSMMC_PRNSTS) & S3C_HSMMC_CARD_PRESENT)) {
- if (host->mrq) {
- printk(KERN_ERR "%s: Card removed during transfer!\n",
- mmc_hostname(host->mmc));
- printk(KERN_ERR "%s: Resetting controller.\n",
- mmc_hostname(host->mmc));
- s3c_hsmmc_reset(host, S3C_HSMMC_RESET_CMD);
- s3c_hsmmc_reset(host, S3C_HSMMC_RESET_DATA);
- host->mrq->cmd->error = MMC_ERR_FAILED;
- /* tasklet_schedule(&host->finish_tasklet); */
- s3c_hsmmc_tasklet_finish((unsigned long) host);
- }
- }
- spin_unlock_irqrestore(&host->lock, iflags);
- /* Qisda, howard hsu, 2010/01/21, SW_DEBOUNCE for sd card { */
- #ifdef CONFIG_SD_SW_DEBOUNCE
- int exist = timer_pending(&sd_detect_timer);
- if (exist == 0)
- {
- sd_detect_timer.expires = jiffies+msecs_to_jiffies(CHECK_MSEC);
- add_timer(&sd_detect_timer);
- }
- #else
- mmc_detect_change(host->mmc, msecs_to_jiffies(500));
- #endif /* CONFIG_SD_SW_DEBOUNCE */
- /* } Qisda, howard hsu, 2010/01/21, SW_DEBOUNCE for sd card */
- }
- static void s3c_hsmmc_activate_led(struct s3c_hsmmc_host *host)
- {
- #if 0
- u8 ctrl;
- ctrl = s3c_hsmmc_readb(S3C_HSMMC_HOSTCTL);
- ctrl |= S3C_HSMMC_CTRL_LED;
- s3c_hsmmc_writeb(ctrl, S3C_HSMMC_HOSTCTL);
- #endif
- #if 0 // for 6400
- s3c_gpio_cfgpin(S3C_GPJ13, S3C_GPJ13_SD0LED);
- #endif
- }
- static void s3c_hsmmc_deactivate_led(struct s3c_hsmmc_host *host)
- {
- #if 0
- u8 ctrl;
- ctrl = s3c_hsmmc_readb(S3C_HSMMC_HOSTCTL);
- ctrl &= ~S3C_HSMMC_CTRL_LED;
- s3c_hsmmc_writeb(ctrl, S3C_HSMMC_HOSTCTL);
- #endif
- #if 0 // for 6400
- s3c_gpio_cfgpin(S3C_GPJ13, S3C_GPJ13_INP);
- #endif
- }
- /*****************************************************************************\
- * *
- * Core functions *
- * *
- \*****************************************************************************/
- #ifdef CONFIG_HSMMC_SCATTERGATHER
- static inline uint s3c_hsmmc_build_dma_table (struct s3c_hsmmc_host *host,
- struct mmc_data *data)
- {
- #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C2443)
- uint i, j = 0, sub_num = 0;
- dma_addr_t addr;
- uint size, length, end;
- int boundary, xor_bit;
- struct scatterlist * sg = data->sg;
- /* build dma table except last one */
- for (i=0; i<(host->sg_len-1); i++) {
- addr = sg[i].dma_address;
- size = sg[i].length;
- DBG("%d - addr: %08x, size: %08x\n", i, addr, size);
- for (; (j<CONFIG_S3C_HSMMC_MAX_HW_SEGS*4) && size; j++) {
- end = addr + size;
- xor_bit = min(7+(2+8+2), fls(addr^end) -1);
- DBG("%08x %08x %08x %d\n", addr, size, end, xor_bit);
- host->dblk[j].dma_address = addr;
- length = (end & ~((1<<xor_bit)-1)) - addr;
- boundary = xor_bit - (2+8+2);
- DBG("length: %x, boundary: %d\n", length, boundary);
- if (length < S3C_HSMMC_MALLOC_SIZE) {
- boundary = 0;
- if ((addr+length) & (S3C_HSMMC_MALLOC_SIZE-1)) {
- void *dest;
- DBG("#########error fixing: %08x, %x\n", addr, length);
- dest = host->sub_block[sub_num] + S3C_HSMMC_MALLOC_SIZE - length;
- if (data->flags & MMC_DATA_WRITE) { /* write */
- memcpy(dest, phys_to_virt(addr), length);
- }
- host->dblk[j].original = phys_to_virt(addr);
- host->dblk[j].dma_address = dma_map_single(NULL, dest, length, host->dma_dir);
- sub_num++;
- }
- }
- host->dblk[j].length = length;
- host->dblk[j].boundary = boundary;
- DBG(" %d: %08x, %08x %x\n",
- j, addr, length, boundary);
- addr += length;
- size -= length;
- }
- }
- /* the last one */
- host->dblk[j].dma_address = sg[i].dma_address;
- host->dblk[j].length = sg[i].length;
- host->dblk[j].boundary = 0x7;
- return (j+1);
- #elif defined(CONFIG_CPU_S3C6410) || defined(CONFIG_CPU_S3C2450) || defined(CONFIG_CPU_S3C2416)
- uint i;
- struct scatterlist * sg = data->sg;
- /* build dma table except the last one */
- for (i=0; i<(host->sg_len-1); i++) {
- host->sdma_descr_tbl[i].dma_address = sg[i].dma_address;
- host->sdma_descr_tbl[i].length_attr = (sg[i].length << 16) | (S3C_HSMMC_ADMA_ATTR_ACT_TRAN) |
- (S3C_HSMMC_ADMA_ATTR_VALID);
- DBG(" ADMA2 descr table[%d] - addr: %08x, size+attr: %08x\n", i, host->sdma_descr_tbl[i].dma_address,
- host->sdma_descr_tbl[i].length_attr);
- }
- /* the last one */
- host->sdma_descr_tbl[i].dma_address = sg[i].dma_address;
- host->sdma_descr_tbl[i].length_attr = (sg[i].length << 16) | (S3C_HSMMC_ADMA_ATTR_ACT_TRAN) |
- (S3C_HSMMC_ADMA_ATTR_END | S3C_HSMMC_ADMA_ATTR_VALID);
- DBG(" ADMA2 descr table[%d] - addr: %08x, size+attr: %08x\n", i, host->sdma_descr_tbl[i].dma_address,
- host->sdma_descr_tbl[i].length_attr);
- return (i);
- #endif
- }
- #endif
- static inline void s3c_hsmmc_prepare_data (struct s3c_hsmmc_host *host,
- struct mmc_command *cmd)
- {
- #if defined(CONFIG_CPU_S3C6410) || defined(CONFIG_CPU_S3C2450) || defined(CONFIG_CPU_S3C2416)
- u8 reg8;
- #endif
- u32 reg;
- struct mmc_data *data = cmd->data;
- if (data == NULL) {
- reg = s3c_hsmmc_readl(S3C_HSMMC_NORINTSTSEN) | S3C_HSMMC_NIS_CMDCMP;
- s3c_hsmmc_writel(reg, S3C_HSMMC_NORINTSTSEN);
- return;
- }
- reg = s3c_hsmmc_readl(S3C_HSMMC_NORINTSTSEN) & ~S3C_HSMMC_NIS_CMDCMP;
- s3c_hsmmc_writel(reg, S3C_HSMMC_NORINTSTSEN);
- host->dma_dir = (data->flags & MMC_DATA_READ)
- ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
- #ifdef CONFIG_HSMMC_SCATTERGATHER
- host->sg_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- host->dma_dir);
- reg = s3c_hsmmc_readl(S3C_HSMMC_NORINTSTSEN);
- if (host->sg_len == 1) {
- reg &= ~S3C_HSMMC_NIS_DMA;
- } else {
- reg |= S3C_HSMMC_NIS_DMA;
- }
- s3c_hsmmc_writel(reg, S3C_HSMMC_NORINTSTSEN);
- #if defined(CONFIG_CPU_S3C6410) || defined(CONFIG_CPU_S3C2450) || defined(CONFIG_CPU_S3C2416)
- reg8 = s3c_hsmmc_readb(S3C_HSMMC_HOSTCTL);
- reg8 |= S3C_HSMMC_CTRL_ADMA2_32;
- s3c_hsmmc_writeb(reg8, S3C_HSMMC_HOSTCTL);
- DBG("HOSTCTL(0x28) = 0x%02x\n", s3c_hsmmc_readb(S3C_HSMMC_HOSTCTL));
- #endif
- DBG("data->flags(direction) = 0x%x\n", data->flags);
- DBG("data->blksz: %d\n", data->blksz);
- DBG("data->blocks: %d\n", data->blocks);
- DBG("data->sg_len: %d\n", data->sg_len);
- DBG("data->sg->addr: 0x%x\n", data->sg->dma_address);
- DBG("data->sg->length: 0x%x\n", data->sg->length);
- host->dma_blk = s3c_hsmmc_build_dma_table(host, data);
- host->next_blk = 0;
- #else
- DBG("data->flags(direction) = 0x%x\n", data->flags);
- DBG("data->blksz: %d\n", data->blksz);
- DBG("data->blocks: %d\n", data->blocks);
- DBG("data->sg_len: %d\n", data->sg_len);
- dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- host->dma_dir);
- #endif
- }
- static inline void s3c_hsmmc_set_transfer_mode (struct s3c_hsmmc_host *host,
- struct mmc_data *data)
- {
- u16 mode;
- mode = S3C_HSMMC_TRNS_DMA;
- if (data->stop)
- mode |= S3C_HSMMC_TRNS_ACMD12;
- if (data->flags & MMC_DATA_MULTI)
- mode |= S3C_HSMMC_TRNS_MULTI | S3C_HSMMC_TRNS_BLK_CNT_EN;
- if (data->flags & MMC_DATA_READ)
- mode |= S3C_HSMMC_TRNS_READ;
- s3c_hsmmc_writew(mode, S3C_HSMMC_TRNMOD);
- }
- static inline void s3c_hsmmc_send_register (struct s3c_hsmmc_host *host)
- {
- struct mmc_command *cmd = host->cmd;
- struct mmc_data *data = cmd->data;
- u32 cmd_val;
- if (data) {
- #ifdef CONFIG_HSMMC_SCATTERGATHER
- #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C2443)
- struct s3c_hsmmc_dma_blk *dblk;
- dblk = &host->dblk[0];
- s3c_hsmmc_writew(S3C_HSMMC_MAKE_BLKSZ(dblk->boundary, data->blksz),
- S3C_HSMMC_BLKSIZE);
- s3c_hsmmc_writel(dblk->dma_address, S3C_HSMMC_SYSAD);
- #elif defined(CONFIG_CPU_S3C6410) || defined(CONFIG_CPU_S3C2450) || defined(CONFIG_CPU_S3C2416)
- s3c_hsmmc_writew(S3C_HSMMC_MAKE_BLKSZ(0x7, data->blksz), S3C_HSMMC_BLKSIZE);
- s3c_hsmmc_writel(virt_to_phys(host->sdma_descr_tbl), S3C_HSMMC_ADMASYSADDR);
- DBG("S3C_HSMMC_ADMASYSADDR(0x58) = 0x%08x\n", s3c_hsmmc_readl(S3C_HSMMC_ADMASYSADDR));
- #endif
- #else
- s3c_hsmmc_writew(S3C_HSMMC_MAKE_BLKSZ(0x7, data->blksz), S3C_HSMMC_BLKSIZE);
- s3c_hsmmc_writel(sg_dma_address(data->sg), S3C_HSMMC_SYSAD);
- #endif
- s3c_hsmmc_writew(data->blocks, S3C_HSMMC_BLKCNT);
- s3c_hsmmc_set_transfer_mode(host, data);
- }
- s3c_hsmmc_writel(cmd->arg, S3C_HSMMC_ARGUMENT);
- cmd_val = (cmd->opcode << 8);
- if (cmd_val == (12<<8))
- cmd_val |= (3 << 6);
- if (cmd->flags & MMC_RSP_136) /* Long RSP */
- cmd_val |= S3C_HSMMC_CMD_RESP_LONG;
- else if (cmd->flags & MMC_RSP_BUSY) /* R1B */
- cmd_val |= S3C_HSMMC_CMD_RESP_SHORT_BUSY;
- else if (cmd->flags & MMC_RSP_PRESENT) /* Normal RSP */
- cmd_val |= S3C_HSMMC_CMD_RESP_SHORT;
- if (cmd->flags & MMC_RSP_OPCODE)
- cmd_val |= S3C_HSMMC_CMD_INDEX;
- if (cmd->flags & MMC_RSP_CRC)
- cmd_val |= S3C_HSMMC_CMD_CRC;
- if (data)
- cmd_val |= S3C_HSMMC_CMD_DATA;
- s3c_hsmmc_writew(cmd_val, S3C_HSMMC_CMDREG);
- }
- static inline void s3c_hsmmc_send_command (struct s3c_hsmmc_host *host,
- struct mmc_command *cmd)
- {
- u32 mask=1;
- ulong timeout;
- #if defined(CONFIG_CPU_S3C6410) || defined(CONFIG_CPU_S3C2450) || defined(CONFIG_CPU_S3C2416)
- while (s3c_hsmmc_readl(S3C_HSMMC_CONTROL4) & mask);
- #endif
- DBG("Sending cmd=(%d), arg=0x%x\n", cmd->opcode, cmd->arg);
- /* Wait max 10 ms */
- timeout = 10;
- mask = S3C_HSMMC_CMD_INHIBIT;
- if ((cmd->data != NULL) || (cmd->flags & MMC_RSP_BUSY))
- mask |= S3C_HSMMC_DATA_INHIBIT;
- while (s3c_hsmmc_readl(S3C_HSMMC_PRNSTS) & mask) {
- printk("########### waiting controller wakeup\n");
- if (timeout == 0) {
- printk(KERN_ERR "%s: Controller never released "
- "inhibit bit(s).\n", mmc_hostname(host->mmc));
- cmd->error = MMC_ERR_FAILED;
- /* tasklet_schedule(&host->finish_tasklet); */
- s3c_hsmmc_tasklet_finish((unsigned long) host);
- return;
- }
- timeout--;
- mdelay(1);
- }
- mod_timer(&host->timer, jiffies + 10 * HZ);
- host->cmd = cmd;
- s3c_hsmmc_prepare_data(host, cmd);
- s3c_hsmmc_send_register(host);
- }
- static void s3c_hsmmc_finish_data (struct s3c_hsmmc_host *host)
- {
- struct mmc_data *data;
- u16 blocks;
- //BUG_ON(!host->data);
- if(!host->data) return;
- data = host->data;
- host->data = NULL;
- dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- (data->flags & MMC_DATA_READ)
- ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
- /*
- * Controller doesn't count down when in single block mode.
- */
- if ((data->blocks == 1) && (data->error == MMC_ERR_NONE))
- blocks = 0;
- else {
- blocks = s3c_hsmmc_readw(S3C_HSMMC_BLKCNT);
- }
- data->bytes_xfered = data->blksz * (data->blocks - blocks);
- if ((data->error == MMC_ERR_NONE) && blocks) {
- printk(KERN_ERR "%s: Controller signalled completion even "
- "though there were blocks left. : %d\n",
- mmc_hostname(host->mmc), blocks);
- data->error = MMC_ERR_FAILED;
- }
- DBG("data->flags(direction) FINISHED = %d\n", data->flags);
- DBG("data->blksz FINISHED = %d\n", data->blksz);
- DBG("data->blocks FINISHED = %d\n", data->blocks);
- DBG("Not FINISHED blocks = %d\n", blocks);
- DBG("Ending data transfer (%d bytes)\n", data->bytes_xfered);
- DBG("\n");
- /* tasklet_schedule(&host->finish_tasklet); */
- s3c_hsmmc_tasklet_finish((unsigned long) host);
- }
- static void s3c_hsmmc_finish_command (struct s3c_hsmmc_host *host)
- {
- int i;
- //BUG_ON(host->cmd == NULL);
- if(!host->cmd) return;
- if (host->cmd->flags & MMC_RSP_PRESENT) {
- if (host->cmd->flags & MMC_RSP_136) {
- /* CRC is stripped so we need to do some shifting. */
- for (i=0; i<4; i++) {
- host->cmd->resp[i] = s3c_hsmmc_readl(S3C_HSMMC_RSPREG0+ (3-i)*4) << 8;
- if (i != 3)
- host->cmd->resp[i] |= s3c_hsmmc_readb(S3C_HSMMC_RSPREG0 + (3-i)*4-1);
- DBG("cmd (%d) resp[%d] = 0x%x\n", host->cmd->opcode, i, host->cmd->resp[i]);
- }
- } else {
- host->cmd->resp[0] = s3c_hsmmc_readl(S3C_HSMMC_RSPREG0);
- DBG("cmd (%d) resp[%d] = 0x%x\n", host->cmd->opcode, 0, host->cmd->resp[0]);
- }
- }
- host->cmd->error = MMC_ERR_NONE;
- DBG("Ending cmd (%d)\n", host->cmd->opcode);
- DBG("\n");
- if (host->cmd->data)
- host->data = host->cmd->data;
- else
- /* tasklet_schedule(&host->finish_tasklet); */
- s3c_hsmmc_tasklet_finish((unsigned long) host);
- host->cmd = NULL;
- }
- static void s3c_hsmmc_tasklet_finish (unsigned long param)
- {
- struct s3c_hsmmc_host *host;
- unsigned long iflags;
- struct mmc_request *mrq;
- host = (struct s3c_hsmmc_host*)param;
- //BUG_ON(!host->mrq);
- if(!host->mrq) return;
- spin_lock_irqsave(&host->lock, iflags);
- del_timer(&host->timer);
- mrq = host->mrq;
- udelay(10);
- /*
- * The controller needs a reset of internal state machines
- * upon error conditions.
- */
- if ((mrq->cmd->error != MMC_ERR_NONE) ||
- (mrq->data && (mrq->data->error != MMC_ERR_NONE)) ) {
- s3c_hsmmc_reset(host, S3C_HSMMC_RESET_CMD);
- s3c_hsmmc_reset(host, S3C_HSMMC_RESET_DATA);
- }
- host->mrq = NULL;
- host->cmd = NULL;
- host->data = NULL;
- s3c_hsmmc_deactivate_led(host);
- mmiowb();
- spin_unlock_irqrestore(&host->lock, iflags);
- mmc_request_done(host->mmc, mrq);
- }
- /*****************************************************************************
- * *
- * Interrupt handling *
- * *
- *****************************************************************************/
- static void s3c_hsmmc_cmd_irq (struct s3c_hsmmc_host *host, u32 intmask)
- {
- if (!host->cmd) {
- printk(KERN_ERR "%s: Got command interrupt 0x%08x even "
- "though no command operation was in progress.\n",
- mmc_hostname(host->mmc), (unsigned)intmask);
- return;
- }
- if (intmask & S3C_HSMMC_INT_TIMEOUT)
- host->cmd->error = MMC_ERR_TIMEOUT;
- else if (intmask & S3C_HSMMC_INT_CRC)
- host->cmd->error = MMC_ERR_BADCRC;
- else if (intmask & (S3C_HSMMC_INT_END_BIT | S3C_HSMMC_INT_INDEX))
- host->cmd->error = MMC_ERR_FAILED;
- else
- host->cmd->error = MMC_ERR_INVALID;
- /* tasklet_schedule(&host->finish_tasklet); */
- s3c_hsmmc_tasklet_finish((unsigned long) host);
- }
- static void s3c_hsmmc_data_irq (struct s3c_hsmmc_host *host, u32 intmask)
- {
- if (!host->data) {
- /*
- * A data end interrupt is sent together with the response
- * for the stop command.
- */
- if (intmask & S3C_HSMMC_INT_DATA_END)
- return;
- printk(KERN_ERR "%s: Got data interrupt even though no "
- "data operation was in progress.\n",
- mmc_hostname(host->mmc));
- return;
- }
- if (intmask & S3C_HSMMC_INT_DATA_TIMEOUT)
- host->data->error = MMC_ERR_TIMEOUT;
- else if (intmask & S3C_HSMMC_INT_DATA_CRC)
- host->data->error = MMC_ERR_BADCRC;
- else if (intmask & S3C_HSMMC_INT_DATA_END_BIT)
- host->data->error = MMC_ERR_FAILED;
- if (host->data->error != MMC_ERR_NONE)
- s3c_hsmmc_finish_data(host);
- }
- /*****************************************************************************\
- * *
- * Interrupt handling *
- * *
- \*****************************************************************************/
- /*
- * ISR for SDI Interface IRQ
- * Communication between driver and ISR works as follows:
- * host->mrq points to current request
- * host->complete_what tells the ISR when the request is considered done
- *
- * 1) Driver sets up host->mrq and host->complete_what
- * 2) Driver prepares the transfer
- * 3) Driver enables interrupts
- * 4) Driver starts transfer
- * 5) Driver waits for host->complete_rquest
- * 6) ISR checks for request status (errors and success)
- * 6) ISR sets host->mrq->cmd->error and host->mrq->data->error
- * 7) ISR completes host->complete_request
- * 8) ISR disables interrupts
- * 9) Driver wakes up and takes care of the request
- */
- static irqreturn_t s3c_hsmmc_irq (int irq, void *dev_id)
- {
- irqreturn_t result = 0;
- struct s3c_hsmmc_host *host = dev_id;
- struct mmc_request *mrq;
- u32 intsts;
- #ifdef CONFIG_HSMMC_S3C_IRQ_WORKAROUND
- uint i, org_irq_sts;
- #endif
- spin_lock(&host->lock);
- mrq = host->mrq;
- intsts = s3c_hsmmc_readw(S3C_HSMMC_NORINTSTS);
- /* Sometimes, hsmmc does not update its status bit immediately
- * when it generates irqs. by scsuh.
- */
- #ifdef CONFIG_HSMMC_S3C_IRQ_WORKAROUND
- for (i=0; i<0x1000; i++) {
- if ((intsts = s3c_hsmmc_readw(S3C_HSMMC_NORINTSTS)))
- break;
- }
- #endif
- if (unlikely(!intsts)) {
- result = IRQ_NONE;
- goto out;
- }
- intsts = s3c_hsmmc_readl(S3C_HSMMC_NORINTSTS);
- #ifdef CONFIG_HSMMC_S3C_IRQ_WORKAROUND
- org_irq_sts = intsts;
- #endif
- DBG("Got interrupt = 0x%08x\n", intsts);
- if (unlikely(intsts & S3C_HSMMC_INT_CARD_CHANGE)) {
- u32 reg16;
- if (intsts & S3C_HSMMC_INT_CARD_INSERT)
- printk(PFX "card inserted.\n");
- else if (intsts & S3C_HSMMC_INT_CARD_REMOVE)
- printk(PFX "card removed.\n");
- reg16 = s3c_hsmmc_readw(S3C_HSMMC_NORINTSTSEN);
- s3c_hsmmc_writew(reg16 & ~S3C_HSMMC_INT_CARD_CHANGE,
- S3C_HSMMC_NORINTSTSEN);
- s3c_hsmmc_writew(S3C_HSMMC_INT_CARD_CHANGE, S3C_HSMMC_NORINTSTS);
- s3c_hsmmc_writew(reg16, S3C_HSMMC_NORINTSTSEN);
- intsts &= ~S3C_HSMMC_INT_CARD_CHANGE;
- tasklet_schedule(&host->card_tasklet);
- goto insert;
- }
- if (likely(!(intsts & S3C_HSMMC_NIS_ERR))) {
- s3c_hsmmc_writel(intsts, S3C_HSMMC_NORINTSTS);
- if (intsts & S3C_HSMMC_NIS_CMDCMP) {
- DBG("command done\n");
- s3c_hsmmc_finish_command(host);
- }
- if (intsts & S3C_HSMMC_NIS_TRSCMP) {
- DBG("transfer done\n\n");
- s3c_hsmmc_finish_command(host);
- s3c_hsmmc_finish_data(host);
- intsts &= ~S3C_HSMMC_NIS_DMA;
- }
- #ifdef CONFIG_HSMMC_SCATTERGATHER
- #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C2443)
- if (intsts & S3C_HSMMC_NIS_DMA) {
- struct s3c_hsmmc_dma_blk *dblk;
- dblk = &host->dblk[host->next_blk];
- if (dblk->original) {
- /* on read */
- if (host->dma_dir == DMA_FROM_DEVICE) {
- memcpy(dblk->original, phys_to_virt(dblk->dma_address), dblk->length);
- }
- dma_unmap_single(NULL, dblk->dma_address, dblk->length, host->dma_dir);
- dblk->original = 0;
- }
- host->next_blk++;
- dblk = &host->dblk[host->next_blk];
- if (host->next_blk == (host->dma_blk-1)) {
- u32 reg;
- reg = s3c_hsmmc_readl(S3C_HSMMC_NORINTSTSEN);
- reg &= ~S3C_HSMMC_NIS_DMA;
- s3c_hsmmc_writel(reg, S3C_HSMMC_NORINTSTSEN);
- }
- /* We do not handle DMA boundaries, so set it to max (512 KiB) */
- s3c_hsmmc_writew((dblk->boundary<<12 | 0x200), S3C_HSMMC_BLKSIZE);
- s3c_hsmmc_writel(dblk->dma_address, S3C_HSMMC_SYSAD);
- }
- #endif
- #endif
- } else {
- DBG("command FAIL : found bad irq [0x%8x]\n", intsts);
- DBG("\n");
- if (intsts & S3C_HSMMC_INT_CMD_MASK) {
- s3c_hsmmc_writel(intsts & S3C_HSMMC_INT_CMD_MASK, S3C_HSMMC_NORINTSTS);
- s3c_hsmmc_cmd_irq(host, intsts & S3C_HSMMC_INT_CMD_MASK);
- }
- if (intsts & S3C_HSMMC_INT_DATA_MASK) {
- s3c_hsmmc_writel(intsts & S3C_HSMMC_INT_DATA_MASK, S3C_HSMMC_NORINTSTS);
- s3c_hsmmc_finish_command(host);
- s3c_hsmmc_data_irq(host, intsts & S3C_HSMMC_INT_DATA_MASK);
- }
- intsts &= ~(S3C_HSMMC_INT_CMD_MASK | S3C_HSMMC_INT_DATA_MASK);
- }
- /* XXX: fix later by scsuh */
- #if 0
- if (intsts & S3C_HSMMC_INT_BUS_POWER) {
- printk(KERN_ERR "%s: Card is consuming too much power!\n",
- mmc_hostname(host->mmc));
- s3c_hsmmc_writel(S3C_HSMMC_INT_BUS_POWER, S3C_HSMMC_NORINTSTS);
- }
- intsts &= S3C_HSMMC_INT_BUS_POWER;
- if (intsts) {
- printk(KERN_ERR "%s: Unexpected interrupt 0x%08x.\n",
- mmc_hostname(host->mmc), intsts);
- s3c_hsmmc_writel(intsts, S3C_HSMMC_NORINTSTS);
- }
- #endif
- #ifdef CONFIG_HSMMC_S3C_IRQ_WORKAROUND
- for (i=0; i<0x1000; i++) {
- if (org_irq_sts != s3c_hsmmc_readl(S3C_HSMMC_NORINTSTS))
- break;
- }
- #endif
- insert:
- result = IRQ_HANDLED;
- mmiowb();
- out:
- spin_unlock(&host->lock);
- return result;
- }
- #include <linux/cyio.h>
- int Cyio_PushEvent(char eventId, char unique);
- static irqreturn_t s3c_hsmmc_irq_cd (int irq, void *dev_id)
- {
- struct s3c_hsmmc_host *host = dev_id;
- int ext_CD_int = 0;
- #if defined(CONFIG_CPU_S3C2450) || defined(CONFIG_CPU_S3C2416)
- ext_CD_int = readl(S3C2410_GPFDAT);
- ext_CD_int &= 0x2; /* GPF1 */
- #elif defined(CONFIG_CPU_S3C6410)
- ext_CD_int = readl(S3C_GPNDAT);
- ext_CD_int &= 0x2000; /* GPN13 */
- #endif
- //printk("\ns3c_hsmmc_irq_cd, ext_CD_int: %d, card_detect: %d, card_detect2: %d\n", ext_CD_int, card_detect, card_detect2);
- if(ext_CD_int && card_detect) {
- printk("s3c-hsmmc channel-0(EXT): card removed.\n");
- /*Qisda Qube for sd card detect20091124*/
- //set_irq_type(host->irq_cd, IRQT_FALLING);
- set_irq_type(host->irq_cd, IRQT_LOW);
- /*Qisda Qube for sd card detect20091124*/
- card_detect = 0;
- //Qisda, Asaku Chen, 2009/11/03, SD power off
- s3c_hsmmc_power_switch(0, 0);
- card_detect2 = 2;
-
- /* Send CyIO event */
- Cyio_PushEvent(CYEVENT_SD_OUT, 1);
- }
- else if(!ext_CD_int && !card_detect) {
- printk("s3c-hsmmc channel-0(EXT): card inserted.\n");
- /*Qisda Qube for sd card detect20091124*/
- //set_irq_type(host->irq_cd, IRQT_RISING);
- set_irq_type(host->irq_cd, IRQT_HIGH);
- /*Qisda Qube for sd card detect20091124*/
- //Qisda, Asaku Chen, 2009/11/03, SD power on
- if (inResume!=1)//howard, 2009/12/22, fix resume card-detect
- {
- card_detect = 1;
- s3c_hsmmc_power_switch(0, 1);
- }
- if(card_detect2 == 3){
- printk("resume host first\n");
- s3c_hsmmc_ios_init(host);
- mmc_resume_host(host->mmc);
- card_detect2 = 2;
- }
- /* Send CyIO event */
- Cyio_PushEvent(CYEVENT_SD_IN, 1);
-
- }
- //Qisda, Asaku Chen, 2009/11/03 {
- else if(card_detect2 == 1){
- printk("SD power on\n");
- s3c_hsmmc_power_switch(0, 1);
- card_detect2 = 2;
- }
- else if(card_detect2 == 0){
- printk("SD power off\n");
- s3c_hsmmc_power_switch(0, 0);
- card_detect2 = -1;
- }
- //Qisda, Asaku Chen, 2009/11/03 }
- else
- return IRQ_HANDLED;
- tasklet_schedule(&host->card_tasklet);
- mmiowb();
- spin_unlock(&host->lock);
- return IRQ_HANDLED;
- }
- static void s3c_hsmmc_check_status (unsigned long data)
- {
- struct s3c_hsmmc_host *host = (struct s3c_hsmmc_host *)data;
- s3c_hsmmc_irq(0, host);
- }
- static void s3c_hsmmc_request (struct mmc_host *mmc, struct mmc_request *mrq)
- {
- struct s3c_hsmmc_host *host = mmc_priv(mmc);
- unsigned long flags;
- DBG("hsmmc(%d) request: [CMD] opcode:%d arg:0x%08x flags:0x%02x retries:%u\n",
- host->plat_data->hwport,
- mrq->cmd->opcode, mrq->cmd->arg, mrq->cmd->flags, mrq->cmd->retries);
- spin_lock_irqsave(&host->lock, flags);
- WARN_ON(host->mrq != NULL);
- s3c_hsmmc_activate_led(host);
- host->mrq = mrq;
- if ((s3c_hsmmc_readl(S3C_HSMMC_PRNSTS) & S3C_HSMMC_CARD_PRESENT) || card_detect) {
- s3c_hsmmc_send_command(host, mrq->cmd);
- } else {
- host->mrq->cmd->error = MMC_ERR_TIMEOUT;
- /* tasklet_schedule(&host->finish_tasklet); */
- s3c_hsmmc_tasklet_finish((unsigned long) host);
- }
- mmiowb();
- spin_unlock_irqrestore(&host->lock, flags);
- }
- /* return 0: OK
- * return -1: error
- */
- static int s3c_set_bus_width (struct s3c_hsmmc_host *host, uint width)
- {
- u8 reg;
- reg = s3c_hsmmc_readb(S3C_HSMMC_HOSTCTL);
- switch (width) {
- case MMC_BUS_WIDTH_1:
- reg &= ~(S3C_HSMMC_CTRL_4BIT | S3C_HSMMC_CTRL_8BIT);
- DBG("bus width: 1 bit\n");
- break;
- case MMC_BUS_WIDTH_4:
- DBG("bus width: 4 bit\n");
- reg &= ~(S3C_HSMMC_CTRL_8BIT);
- reg |= S3C_HSMMC_CTRL_4BIT;
- break;
- default:
- DBG("bus width: Error\n");
- return -1;
- }
- s3c_hsmmc_writeb(reg, S3C_HSMMC_HOSTCTL);
- DBG("HOSTCTL(0x28) = 0x%02x\n", s3c_hsmmc_readb(S3C_HSMMC_HOSTCTL));
- return 0;
- }
- static void s3c_hsmmc_set_clock (struct s3c_hsmmc_host *host, ulong clock)
- {
- struct s3c_hsmmc_cfg *cfg = host->plat_data;
- //int cardtype = host->mmc->mode;
- int cardtype = MMC_MODE_MMC;
- u32 val = 0, tmp_clk = 0, clk_src = 0, i, j;
- u16 div = (u16)-1;
- ulong timeout;
- u8 ctrl;
- /* if we already set, just out. */
- if (clock == host->clock) {
- printk("%p:host->clock0 : %d Hz\n", host->base, host->clock);
- return;
- }
- /* before setting clock, clkcon must be disabled. */
- s3c_hsmmc_writew(0, S3C_HSMMC_CLKCON);
- s3c_hsmmc_writeb(S3C_HSMMC_TIMEOUT_MAX, S3C_HSMMC_TIMEOUTCON);
- /* change the edge type according to frequency */
- ctrl = s3c_hsmmc_readb(S3C_HSMMC_HOSTCTL);
- if (cfg->highspeed)
- ctrl |= S3C_HSMMC_CTRL_HIGHSPEED;
- else
- ctrl &= ~S3C_HSMMC_CTRL_HIGHSPEED;
- s3c_hsmmc_writeb(ctrl, S3C_HSMMC_HOSTCTL);
- if (clock == 0) {
- DBG(" In case of 0 Hz of clock, I'm afraid DO NOTHING ..\n");
- return;
- }
- /* calculate optimal clock. by scsuh */
- DBG("Requested clock is %ld Hz\n", clock);
- for (i=0; i<NUM_OF_HSMMC_CLKSOURCES; i++) {
- if ((tmp_clk = clk_get_rate(host->clk[i])) <= clock) {
- if (tmp_clk >= val) {
- val = tmp_clk;
- div = 0;
- clk_src = i+1;
- }
- }
- for (j=0x1; j<=0x80; j <<= 1) {
- tmp_clk = clk_get_rate(host->clk[i]) / (j<<1);
- if ((val < tmp_clk) && (tmp_clk <= clock)) {
- val = tmp_clk;
- div = j;
- clk_src = i+1;
- break;
- }
- }
- DBG(" tmp_val[%d]: %d\n", i, val);
- }
- DBG("Optimal clock : %d Hz, div: 0x%x, SelBaseclk_src: %d\n", val, div, clk_src);
- /* CONTROL2 */
- s3c_hsmmc_writel(cfg->fd_ctrl[cardtype].ctrl2 | (clk_src << 4), S3C_HSMMC_CONTROL2);
- /* CONTROL3 */
- if (clock > 25000000)
- s3c_hsmmc_writel(cfg->fd_ctrl[cardtype].ctrl3[SPEED_HIGH], S3C_HSMMC_CONTROL3);
- else
- s3c_hsmmc_writel(cfg->fd_ctrl[cardtype].ctrl3[SPEED_NORMAL], S3C_HSMMC_CONTROL3);
- #if defined(CONFIG_CPU_S3C6410) || defined(CONFIG_CPU_S3C2450) || defined(CONFIG_CPU_S3C2416)
- s3c_hsmmc_writel(cfg->fd_ctrl[cardtype].ctrl4 << 16, S3C_HSMMC_CONTROL4);
- #endif
- s3c_hsmmc_writew(((div << 8) | S3C_HSMMC_CLOCK_INT_EN), S3C_HSMMC_CLKCON);
- timeout = 10;
- while (!((val = s3c_hsmmc_readw(S3C_HSMMC_CLKCON))
- & S3C_HSMMC_CLOCK_INT_STABLE)) {
- if (!timeout) {
- printk("Error in INTERNAL clock stabilization: %08x\n", val);
- return;
- }
- timeout--;
- mdelay(1);
- }
- s3c_hsmmc_writew(val | S3C_HSMMC_CLOCK_CARD_EN, S3C_HSMMC_CLKCON);
- timeout = 10;
- while (!((val = s3c_hsmmc_readw(S3C_HSMMC_CLKCON))
- & S3C_HSMMC_CLOCK_EXT_STABLE)) {
- if (!timeout) {
- printk("Error in EXTERNAL clock stabilization: %08x\n", val);
- return;
- }
- timeout--;
- mdelay(1);
- }
- }
- static void s3c_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
- {
- struct s3c_hsmmc_host *host = mmc_priv(mmc);
- unsigned long iflags;
- spin_lock_irqsave(&host->lock, iflags);
- /*
- * Reset the chip on each power off.
- * Should clear out any weird states.
- */
- if (ios->power_mode == MMC_POWER_OFF) {
- s3c_hsmmc_writew(0, S3C_HSMMC_NORINTSIGEN);
- s3c_hsmmc_ios_init(host);
- //Qisda, Asaku Chen, 2009/11/03 {
- if(host->plat_data->hwport==0){
- //printk("== s3c_hsmmc_set_ios: %d, MMC_POWER_OFF\n", host->plat_data->hwport);
- s3c_hsmmc_power_switch(0, 0);
- }
- }
- else{
- //Enable SD power
- if((host->plat_data->hwport==0) && (card_detect2 > 0)){
- //printk("== s3c_hsmmc_set_ios: %d, MMC_POWER_ON\n", host->plat_data->hwport);
- s3c_hsmmc_power_switch(0, 1);
- }
- }
- if((ios->power_mode == MMC_POWER_OFF) && (host->plat_data->hwport==0)){
- //do nothing
- }else{
- if (host->plat_data->enabled)
- hsmmc_set_gpio(host->plat_data->hwport, host->plat_data->bus_width);
- }
- if((host->plat_data->hwport == 1) && (ios->clock > 26000000)){
- ios->clock = 26000000;
- }
- DBG("ios->clock: %d Hz\n", ios->clock);
- s3c_hsmmc_set_clock(host, ios->clock);
- DBG("ios->bus_width: %d\n", ios->bus_width);
- s3c_set_bus_width(host, ios->bus_width);
- DBG("S3C_HSMMC_CONTROL2(0x80) = 0x%08x\n", s3c_hsmmc_readl(S3C_HSMMC_CONTROL2));
- DBG("S3C_HSMMC_CONTROL3(0x84) = 0x%08x\n", s3c_hsmmc_readl(S3C_HSMMC_CONTROL3));
- DBG("S3C_HSMMC_CLKCON (0x2c) = 0x%04x\n", s3c_hsmmc_readw(S3C_HSMMC_CLKCON));
- if (ios->power_mode == MMC_POWER_OFF)
- s3c_hsmmc_writeb(S3C_HSMMC_POWER_OFF, S3C_HSMMC_PWRCON);
- else
- s3c_hsmmc_writeb(S3C_HSMMC_POWER_ON_ALL, S3C_HSMMC_PWRCON);
- udelay(1000);
- spin_unlock_irqrestore(&host->lock, iflags);
- }
- static struct mmc_host_ops s3c_hsmmc_ops = {
- .request = s3c_hsmmc_request,
- .set_ios = s3c_hsmmc_set_ios,
- };
- //Qisda, Asaku Chen, 2009/08/20, for wifi power {
- static int s3c_wifi_open(struct inode *inode, struct file *file)
- {
- return 0;
- }
- #define S3C_WIFI_POWER_ON 1
- #define S3C_WIFI_POWER_OFF 2
- #define S3C_READ_TILT_STATUS 3
- #define S3C_READ_GPIO_VALUE 4
- #define S3C_SET_GPIO_ADDR 5
- #define S3C_WRITE_GPIO_VALUE 6
- #define S3C_READ_HW_VERSION 7
- #define S3C_TCON_ERASE 10
- #define S3C_TCON_ID 11
- #define S3C_TCON_READ 12
- #define S3C_TCON_BYTE_COUNT 13
- #define S3C_TCON_WRITE 14
- #define MMC_DEVICE_POWER_STATE 20
- #define S3C_BT_POWER_ON 1
- #define S3C_BT_POWER_OFF 2
- static unsigned char s3c_tcon_read_byte(void)
- {
- /*
- Unsigned char Get data () //Receive a byte from Serial flash
- {
- unsigned char k, temdata =0, i;
- for ( k = 0; k++; k< 8)
- {
- if ( SO == 1 )
- {
- i = (0x80 >> k);
- temdata = (temdata || i);
- }
- SCLK = 1;
- SCLK = 0;
- }
- return (temdata);
- }
- */
- unsigned char k, temdata =0, i=0;
- u32 read_pin;
- for(k=0; k<8; k++){
- read_pin = (readl(S3C2410_GPEDAT) & (1<<11));
- //printk(" [%d]: 0x%X 0x%X\n", k, read_pin, readl(S3C2410_GPEDAT));
-
- if(read_pin){
- i = (0x80 >> k);
- temdata = (temdata | i);
- }
- s3c2410_gpio_setpin(S3C2410_GPE13, 1);
- udelay(2);
- s3c2410_gpio_setpin(S3C2410_GPE13, 0);
- udelay(2);
- }
- //printk("s3c_tcon_read_byte: 0x%2X\n", temdata);
- return (temdata);
- }
- static void s3c_tcon_write_byte(char w_data)
- {
- /*
- Send data (unsigned char indata) // Send 1 byte data to Serial flash
- {
- unsigned char k;
- for ( k = 0; k++; k< 8)
- {
- if( (indata & 0x80) == 0x80)
- SI = 1;
- else
- SI = 0;
- SCLK = 1;
- SCLK = 0;
- indata = (indata << 1);
- }
- }
- */
- unsigned char k;
- //printk("s3c_tcon_write_byte: 0x%2X\n", w_data);
- for(k=0; k<8; k++){
- if((w_data & 0x80))
- s3c2410_gpio_setpin(S3C2410_GPE12, 1);
- else
- s3c2410_gpio_setpin(S3C2410_GPE12, 0);
- s3c2410_gpio_setpin(S3C2410_GPE13, 1);
- udelay(2);
- s3c2410_gpio_setpin(S3C2410_GPE13, 0);
- udelay(2);
- w_data = (w_data << 1);
- }
- }
- extern void mmc_rescan(struct work_struct *work);
- static int s3c_wifi_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
- {
- static char s3c_power_off = 0;
- static unsigned int gpio_addr = 0;
- static unsigned int tcon_byte_count;
- static unsigned int tcon_address;
- unsigned char tcon_buffer[128];
- unsigned char r_data;
- int ret, i;
- u32 read_pin;
-
- switch(cmd){
- #ifdef CONFIG_QISDA_BK060B00
- case S3C_WIFI_POWER_ON:
- printk("BCM4329-WIFI_BT_POWER_ON\n");
- //TCON Flash disable, and select WiFi
- s3c2410_gpio_cfgpin(S3C2410_GPH6, S3C2410_GPH6_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPH6, 0);
- //bcm4329 module power on control
- //GPK7, WIFI PA 3.3V
- writel(((readl(S3C2416_GPKCON) & ~(1<<15)) | (1<<14)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) | (1<<7)), S3C2416_GPKDAT);
-
- //GPK6, PA 1.8V
- writel(((readl(S3C2416_GPKCON) & ~(1<<13)) | (1<<12)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) | (1<<6)), S3C2416_GPKDAT);
-
- //GPK5, PA 3.3V
- writel(((readl(S3C2416_GPKCON) & ~(1<<11)) | (1<<10)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) | (1<<5)), S3C2416_GPKDAT);
- //GPK9 (green light), pull high
- writel(((readl(S3C2416_GPKCON) & ~(1<<19)) | (1<<18)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) | (1<<9)), S3C2416_GPKDAT);
-
- //WIFI_BT_EN (GPD11) pull high
- s3c2410_gpio_cfgpin(S3C2410_GPD11, S3C2410_GPD11_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPD11, 0);
- //writel(((readl(S3C2416_GPGCON) & ~(1<<9)) | (1<<8)), S3C2416_GPGCON);
- //writel((readl(S3C2416_GPGDAT) & ~(1<<4)), S3C2416_GPGDAT);
- mdelay(1);
- s3c2410_gpio_setpin(S3C2410_GPD11, 1);
- //writel((readl(S3C2416_GPGDAT) | (1<<4)), S3C2416_GPGDAT);
- mdelay(20);
- //EXT_N_WIFI_RST (GPD8) pull high
- s3c2410_gpio_cfgpin(S3C2410_GPD8, S3C2410_GPD8_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPD8, 0);
- //writel(((readl(S3C2416_GPDCON) & ~(1<<17)) | (1<<16)), S3C2416_GPDCON);
- //writel((readl(S3C2416_GPDDAT) & ~(1<<8)), S3C2416_GPDDAT);
- mdelay(1);
- s3c2410_gpio_setpin(S3C2410_GPD8, 1);
- //writel((readl(S3C2416_GPDDAT) | (1<<8)), S3C2416_GPDDAT);
- mdelay(20);
-
- //EXT_N_BT_RST (GPA2) pull high
- s3c2410_gpio_cfgpin(S3C2410_GPA2, S3C2410_GPA2_OUT);
- s3c2410_gpio_setpin(S3C2410_GPA2, 0);
- mdelay(1);
- s3c2410_gpio_setpin(S3C2410_GPA2, 1);
- mdelay(20);
- //UART1 CTS1 (GPH10) set
- s3c2410_gpio_cfgpin(S3C2410_GPH10, S3C2410_GPH10_CLKOUT1);
- //writel(((readl(S3C2416_GPHCON) | (1<<21)) & ~ (1<<20)), S3C2416_GPHCON);
- //writel(((readl(S3C2416_GPHUDP) & ~ (1<<21)) & ~ (1<<20)), S3C2416_GPHUDP);
- //writel((readl(S3C2416_GPHDAT) & ~(1<<10)), S3C2416_GPHDAT);
- mdelay(1);
-
- //UART1 RTS1 (GPH11) set
- s3c2410_gpio_cfgpin(S3C2410_GPH11, S3C2410_GPH11_nRTS);
- //writel(((readl(S3C2416_GPHCON) | (1<<23)) & ~(1<<22)), S3C2416_GPHCON);
- //writel((readl(S3C2416_GPHDAT) & ~(1<<11)), S3C2416_GPHDAT);
- //writel(((readl(S3C2416_GPHUDP) & ~ (1<<23)) & ~ (1<<22)), S3C2416_GPHUDP);
- mdelay(1);
-
- break;
- case S3C_WIFI_POWER_OFF:
- printk("BCM4329-WIFI_POWER_OFF\n");
- //TCON Flash disable, and select WiFi
- s3c2410_gpio_cfgpin(S3C2410_GPH6, S3C2410_GPH6_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPH6, 0);
- //bcm4329 module power off control
-
- //EXT_N_WIFI_RST (GPD8) pull down
- s3c2410_gpio_cfgpin(S3C2410_GPD8, S3C2410_GPD8_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPD8, 0);
-
- //WIFI_BT_EN (GPD11) pull down
- s3c2410_gpio_cfgpin(S3C2410_GPD11, S3C2410_GPD11_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPD11, 0);
-
- //EXT_N_BT_RST (GPA2) pull down
- s3c2410_gpio_cfgpin(S3C2410_GPA2, S3C2410_GPA2_OUT);
- s3c2410_gpio_setpin(S3C2410_GPA2, 0);
- mdelay(20);
-
- //GPK9 (green light), pull down
- writel(((readl(S3C2416_GPKCON) & ~(1<<19)) | (1<<18)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) & ~(1<<9)), S3C2416_GPKDAT);
- //GPK7, WIFI PA 3.3V
- writel(((readl(S3C2416_GPKCON) & ~(1<<15)) | (1<<14)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) & ~(1<<7)), S3C2416_GPKDAT);
-
- //GPK6, PA 1.8V
- writel(((readl(S3C2416_GPKCON) & ~(1<<13)) | (1<<12)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) & ~(1<<6)), S3C2416_GPKDAT);
-
- //GPK5, PA 3.3V
- writel(((readl(S3C2416_GPKCON) & ~(1<<11)) | (1<<10)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) & ~(1<<5)), S3C2416_GPKDAT);
- break;
- #else
- case S3C_WIFI_POWER_ON:
- printk("WIFI_POWER_ON\n");
- //TCON Flash disable, and select WiFi
- s3c2410_gpio_cfgpin(S3C2410_GPH6, S3C2410_GPH6_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPH6, 0);
- //GPL13, SPI_CS
- s3c2410_gpio_cfgpin(S3C2410_GPL13, S3C2410_GPL13_SS0);
- //SPI DI
- s3c2410_gpio_cfgpin(S3C2410_GPE11, S3C2410_GPE11_SPIMISO0);
- //SPI DO
- s3c2410_gpio_cfgpin(S3C2410_GPE12, S3C2410_GPE12_SPIMOSI0);
- //SPI CLK
- s3c2410_gpio_cfgpin(S3C2410_GPE13, S3C2410_GPE13_SPICLK0);
-
- //GPK6, PA 1.8V
- writel(((readl(S3C2416_GPKCON) & ~(1<<13)) | (1<<12)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) | (1<<6)), S3C2416_GPKDAT);
- //GPK5, PA 3.3V
- writel(((readl(S3C2416_GPKCON) & ~(1<<11)) | (1<<10)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) | (1<<5)), S3C2416_GPKDAT);
-
- //GPD8, RESET
- s3c2410_gpio_cfgpin(S3C2410_GPD8, S3C2410_GPD8_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPD8, 0);
- mdelay(1);
- s3c2410_gpio_setpin(S3C2410_GPD8, 1);
- mdelay(20);
- break;
- case S3C_WIFI_POWER_OFF:
- printk("WIFI_POWER_OFF\n");
- //TCON Flash disable, and select WiFi
- s3c2410_gpio_cfgpin(S3C2410_GPH6, S3C2410_GPH6_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPH6, 0);
-
- //GPK5, PA 3.3V
- writel(((readl(S3C2416_GPKCON) & ~(1<<11)) | (1<<10)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) & ~(1<<5)), S3C2416_GPKDAT);
- //GPK6, PA 1.8V
- writel(((readl(S3C2416_GPKCON) & ~(1<<13)) | (1<<12)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) & ~(1<<6)), S3C2416_GPKDAT);
- //GPD8, RESET
- s3c2410_gpio_cfgpin(S3C2410_GPD8, S3C2410_GPD8_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPD8, 0);
- //GPL13, SPI_CS
- s3c2410_gpio_cfgpin(S3C2410_GPL13, S3C2410_GPL13_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPL13, 0);
- //SPI DI
- s3c2410_gpio_cfgpin(S3C2410_GPE11, S3C2410_GPE11_INP);
- s3c2410_gpio_pullup(S3C2410_GPE11, 1);
- //SPI DO
- s3c2410_gpio_cfgpin(S3C2410_GPE12, S3C2410_GPE12_INP);
- s3c2410_gpio_pullup(S3C2410_GPE12, 1);
- //SPI CLK
- s3c2410_gpio_cfgpin(S3C2410_GPE13, S3C2410_GPE13_INP);
- s3c2410_gpio_pullup(S3C2410_GPE13, 1);
- break;
- #endif
- case S3C_READ_TILT_STATUS:
- if( ((readl(S3C2410_GPDDAT) & (0x3<<10)) >> 10) == 2){
- return 270;
- }
- else if( ((readl(S3C2410_GPDDAT) & (0x3<<10)) >> 10) == 1){
- return 90;
- }
- else if( ((readl(S3C2410_GPDDAT) & (0x3<<10)) >> 10) == 3){
- return 180;
- }
- else{
- return 0;
- }
- break;
- case S3C_READ_GPIO_VALUE:
- printk("S3C_READ_GPIO_VALUE\n");
- printk("addr: 0x%x\n", arg+0x56000000);
- arg = arg + S3C24XX_VA_GPIO;
- printk("value: 0x%x\n", readl(arg));
- break;
- case S3C_SET_GPIO_ADDR:
- printk("S3C_SET_GPIO_ADDR\n");
- printk("set addr: 0x%x\n", arg + 0x56000000);
- gpio_addr = arg + S3C24XX_VA_GPIO;
- break;
- case S3C_WRITE_GPIO_VALUE:
- printk("S3C_WRITE_GPIO_VALUE\n");
- printk("set addr: 0x%x, value: 0x%x\n", (gpio_addr-0xA0400000), arg);
- writel(arg, gpio_addr);
- break;
- case MMC_DEVICE_POWER_STATE:
- printk("MMC_DEVICE_POWER_STATE: %d\n", arg);
- if(arg == 0){
- card_detect2 = 1;
- s3c_hsmmc_irq_cd (0, global_host[0]);
- }
- else if(arg == 3){
- card_detect2 = 0;
- s3c_hsmmc_irq_cd (0, global_host[0]);
- }
- else{
- printk("no such state\n");
- }
-
- break;
- case S3C_READ_HW_VERSION:
- //printk("S3C_READ_HW_VERSION\n");
- read_pin = readl(S3C2416_GPKDAT) & 0x1E;
- //printk(" read_pin: 0x%x\n", read_pin);
- ret = 0;
- if((read_pin & (1<<4)))
- ret = ret + 0x1000;
- if((read_pin & (1<<3)))
- ret = ret + 0x0100;
- if((read_pin & (1<<2)))
- ret = ret + 0x0010;
- if((read_pin & (1<<1)))
- ret = ret + 0x0001;
- printk("Board ID: 0x%04x\n", ret);
- return ret;
- break;
- case S3C_TCON_ERASE:
- printk("S3C_TCON_ERASE\n");
- //WiFi off
- //GPK5, PA 3.3V off
- writel(((readl(S3C2416_GPKCON) & ~(1<<11)) | (1<<10)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) & ~(1<<5)), S3C2416_GPKDAT);
-
- //GPK6, PA 1.8V
- writel(((readl(S3C2416_GPKCON) & ~(1<<13)) | (1<<12)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) & ~(1<<6)), S3C2416_GPKDAT);
-
- //GPD8, RESET
- s3c2410_gpio_cfgpin(S3C2410_GPD8, S3C2410_GPD8_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPD8, 0);
- //GPH6, TCON_FLASH enable, and select TCON flash
- s3c2410_gpio_cfgpin(S3C2410_GPH6, S3C2410_GPH6_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPH6, 1);
- mdelay(200);
- //Set GPIO for TCON update
- //Chip Select
- s3c2410_gpio_cfgpin(S3C2410_GPL13, S3C2410_GPL13_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPL13, 1);
- //GPE11 SPIMISO0
- s3c2410_gpio_cfgpin(S3C2410_GPE11, S3C2410_GPE11_INP);
- s3c2410_gpio_pullup(S3C2410_GPE11, 0);
-
- //GPE12 SPIMOSI0
- s3c2410_gpio_cfgpin(S3C2410_GPE12, S3C2410_GPE12_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPE12, 1);
-
- //GPE13 SPI CLK
- s3c2410_gpio_cfgpin(S3C2410_GPE13, S3C2410_GPE13_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPE13, 0);
- msleep(50);
- //Erase TCON Flash
- s3c2410_gpio_setpin(S3C2410_GPL13, 0);
- udelay(50);
- s3c_tcon_write_byte(0x06); //Setting Write Enable Latch bit
- s3c2410_gpio_setpin(S3C2410_GPL13, 1);
- udelay(50);
-
- s3c2410_gpio_setpin(S3C2410_GPL13, 0);
- udelay(50);
- s3c_tcon_write_byte(0x60); //Write Chip Erase command
- s3c2410_gpio_setpin(S3C2410_GPL13, 1);
- msleep(500);
-
- do{
- s3c2410_gpio_setpin(S3C2410_GPL13, 0);
- udelay(50);
- s3c_tcon_write_byte(0x05); //Write Read Status command
- r_data = s3c_tcon_read_byte();
- s3c2410_gpio_setpin(S3C2410_GPL13, 1);
- //printk("r_data: 0x%02x\n", r_data);
- msleep(500);
-
- }while(r_data & 0x01);
-
- tcon_byte_count = 0;
- tcon_address = 0;
- break;
- case S3C_TCON_ID:
- printk("S3C_TCON_ID: ");
- s3c2410_gpio_setpin(S3C2410_GPL13, 0);
- udelay(50);
-
- s3c_tcon_write_byte(0x9F);
- r_data = s3c_tcon_read_byte();
- printk("0x%02X ", r_data);
- r_data = s3c_tcon_read_byte();
- printk("0x%02X ", r_data);
- r_data = s3c_tcon_read_byte();
- printk("0x%02X\n", r_data);
- s3c2410_gpio_setpin(S3C2410_GPL13, 1);
- break;
- case S3C_TCON_READ:
- printk("S3C_TCON_READ\n");
- printk("\n\ns3c_tcon_read_content 1\n");
- s3c2410_gpio_setpin(S3C2410_GPL13, 0);
- udelay(50);
-
- s3c_tcon_write_byte(0x03);
- s3c_tcon_write_byte(0x00);
- s3c_tcon_write_byte(0x00);
- s3c_tcon_write_byte(0x00);
-
- for(i=0; i<300; i++){
- printk("0x%02x\n", s3c_tcon_read_byte());
- }
-
- s3c2410_gpio_setpin(S3C2410_GPL13, 1);
-
- msleep(50);
-
- printk("\n\ns3c_tcon_read_content 2\n");
- s3c2410_gpio_setpin(S3C2410_GPL13, 0);
- udelay(50);
-
- s3c_tcon_write_byte(0x03);
- s3c_tcon_write_byte(0x02);
- s3c_tcon_write_byte(0x0F);
- s3c_tcon_write_byte(0xA0);
-
- for(i=0; i<40; i++){
- printk("0x%02x\n", s3c_tcon_read_byte());
- }
- s3c2410_gpio_setpin(S3C2410_GPL13, 1);
- break;
- case S3C_TCON_BYTE_COUNT:
- tcon_byte_count = arg;
- //printk("S3C_TCON_BYTE_COUNT: %d\n", tcon_byte_count);
- break;
- case S3C_TCON_WRITE:
- //printk("+ S3C_TCON_WRITE: %d\n ", tcon_address);
- copy_from_user(tcon_buffer, arg, tcon_byte_count);
-
- s3c2410_gpio_setpin(S3C2410_GPL13, 0);
- udelay(20);
- s3c_tcon_write_byte(0x06); //Setting Write Enable Latch bit
- s3c2410_gpio_setpin(S3C2410_GPL13, 1);
- udelay(20);
-
- s3c2410_gpio_setpin(S3C2410_GPL13, 0);
- udelay(20);
- //printk("0x%x 0x%x 0x%x\n", (tcon_address & 0xFF0000) >> 16, (tcon_address & 0xFF00) >> 8, (tcon_address & 0xFF));
-
- s3c_tcon_write_byte(0x02); //Write Page Program command
- s3c_tcon_write_byte( (tcon_address & 0xFF0000) >> 16 );
- s3c_tcon_write_byte( (tcon_address & 0xFF00) >> 8 );
- s3c_tcon_write_byte( (tcon_address & 0xFF) );
- for(i=0; i<tcon_byte_count; i++){
- //printk("0x%02X ", tcon_buffer[i]);
- s3c_tcon_write_byte(tcon_buffer[i]);
- }
-
- s3c2410_gpio_setpin(S3C2410_GPL13, 1);
- udelay(400);
-
- do{
- s3c2410_gpio_setpin(S3C2410_GPL13, 0);
- udelay(50);
- s3c_tcon_write_byte(0x05); //Write Read Status command
- r_data = s3c_tcon_read_byte();
- s3c2410_gpio_setpin(S3C2410_GPL13, 1);
- //printk("r_data: 0x%02x\n", r_data);
- udelay(100);
-
- }while(r_data & 0x01);
-
- tcon_address = tcon_address + tcon_byte_count;
- //printk("\n- S3C_TCON_WRITE: %d\n\n", tcon_address);
- break;
- default:
- printk("no this command\n");
- }
- return 0;
- }
- #ifdef CONFIG_QISDA_BK060B00
- static int s3c_bt_open(struct inode *inode, struct file *file);
- static int s3c_bt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);
- /* File operations struct for character device */
- static const struct file_operations s3c_bt_fops = {
- .owner = THIS_MODULE,
- .ioctl = s3c_bt_ioctl,
- .open = s3c_bt_open,
- .release = NULL
- };
- //Qisda, Ralph Chang, 2010/02/09, for bt power }
- //Qisda, Ralph Chang, 2010/02/09, for bt power {
- static int s3c_bt_open(struct inode *inode, struct file *file)
- {
- return 0;
- }
- static int s3c_bt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
- {
- switch(cmd){
- case S3C_BT_POWER_ON:
- printk("BCM4329-BT_POWER_ON\n");
- //bcm4329 module power on control
- //GPK7, WIFI PA 3.3V
- writel(((readl(S3C2416_GPKCON) & ~(1<<15)) | (1<<14)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) | (1<<7)), S3C2416_GPKDAT);
-
- //GPK6, PA 1.8V
- writel(((readl(S3C2416_GPKCON) & ~(1<<13)) | (1<<12)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) | (1<<6)), S3C2416_GPKDAT);
-
- //GPK5, PA 3.3V
- writel(((readl(S3C2416_GPKCON) & ~(1<<11)) | (1<<10)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) | (1<<5)), S3C2416_GPKDAT);
- mdelay(1);
-
- //GPL8 (blue light), pull high
- //printk ("\n GPL8 (blue light), pull high\n");
- //writel(((readl(S3C2416_GPLCON) & ~(1<<17)) | (1<<16)), S3C2416_GPLCON);
- //writel((readl(S3C2416_GPLDAT) | (1<<8)), S3C2416_GPLDAT);
- //writel(((readl(S3C2416_GPLUDP) | (1<<17)) & ~(1<<16)), S3C2416_GPLUDP); //pull up enable
- //s3c2410_gpio_cfgpin(S3C2410_GPL8, S3C2410_GPL8_OUTP);
- //s3c2410_gpio_setpin(S3C2410_GPL8, 1);
- //s3c2410_gpio_pullup(S3C2410_GPL8, 1);
- //WIFI_BT_EN (GPD11) pull high
- s3c2410_gpio_cfgpin(S3C2410_GPD11, S3C2410_GPD11_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPD11, 0);
- //writel(((readl(S3C2416_GPGCON) & ~(1<<9)) | (1<<8)), S3C2416_GPGCON);
- //writel((readl(S3C2416_GPGDAT) & ~(1<<4)), S3C2416_GPGDAT);
- mdelay(1);
- s3c2410_gpio_setpin(S3C2410_GPD11, 1);
- //writel((readl(S3C2416_GPGDAT) | (1<<4)), S3C2416_GPGDAT);
- mdelay(20);
- /*
- printk("EXT_N_WIFI_RST (GPD8) set high\n");
- //s3c2410_gpio_cfgpin(S3C2410_GPD8, S3C2410_GPD8_OUTP);
- //s3c2410_gpio_setpin(S3C2410_GPD8, 0);
- writel(((readl(S3C2416_GPDCON) & ~(1<<17)) | (1<<16)), S3C2416_GPDCON);
- writel((readl(S3C2416_GPDDAT) & ~(1<<8)), S3C2416_GPDDAT);
- mdelay(1);
- //s3c2410_gpio_setpin(S3C2410_GPD8, 1);
- writel((readl(S3C2416_GPDDAT) | (1<<8)), S3C2416_GPDDAT);
- mdelay(20);
- */
-
- //EXT_N_BT_RST (GPA2) pull high
- s3c2410_gpio_cfgpin(S3C2410_GPA2, S3C2410_GPA2_OUT);
- s3c2410_gpio_setpin(S3C2410_GPA2, 0);
- mdelay(1);
- s3c2410_gpio_setpin(S3C2410_GPA2, 1);
- mdelay(20);
-
- //UART1 CTS1 (GPH10) set
- s3c2410_gpio_cfgpin(S3C2410_GPH10, S3C2410_GPH10_CLKOUT1);
- //writel(((readl(S3C2416_GPHCON) | (1<<21)) & ~ (1<<20)), S3C2416_GPHCON);
- //writel(((readl(S3C2416_GPHUDP) & ~ (1<<21)) & ~ (1<<20)), S3C2416_GPHUDP);
- //writel((readl(S3C2416_GPHDAT) & ~(1<<10)), S3C2416_GPHDAT);
- mdelay(1);
-
- //"UART1 RTS1 (GPH11) set
- s3c2410_gpio_cfgpin(S3C2410_GPH11, S3C2410_GPH11_nRTS);
- //writel(((readl(S3C2416_GPHCON) | (1<<23)) & ~(1<<22)), S3C2416_GPHCON);
- //writel((readl(S3C2416_GPHDAT) & ~(1<<11)), S3C2416_GPHDAT);
- //writel(((readl(S3C2416_GPHUDP) & ~ (1<<23)) & ~ (1<<22)), S3C2416_GPHUDP);
- mdelay(1);
- break;
- case S3C_BT_POWER_OFF:
- printk("BCM4329-BT_POWER_OFF\n");
- //bcm4329 module power off control
-
- //EXT_N_BT_RST (GPA2) pull down
- s3c2410_gpio_cfgpin(S3C2410_GPA2, S3C2410_GPA2_OUT);
- s3c2410_gpio_setpin(S3C2410_GPA2, 0);
- mdelay(20);
-
- //WIFI_BT_EN (GPD11) pull down
- s3c2410_gpio_cfgpin(S3C2410_GPD11, S3C2410_GPD11_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPD11, 0);
-
- //GPL8 (blue light), pull down
- //writel(((readl(S3C2416_GPLCON) & ~(1<<17)) | (1<<16)), S3C2416_GPLCON);
- //writel((readl(S3C2416_GPLDAT) & ~(1<<8)), S3C2416_GPLDAT);
- //s3c2410_gpio_cfgpin(S3C2410_GPL8, S3C2410_GPL8_OUTP);
- //s3c2410_gpio_setpin(S3C2410_GPL8, 0);
- //GPK7, WIFI PA 3.3V
- writel(((readl(S3C2416_GPKCON) & ~(1<<15)) | (1<<14)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) & ~(1<<7)), S3C2416_GPKDAT);
-
- //GPK6, PA 1.8V
- writel(((readl(S3C2416_GPKCON) & ~(1<<13)) | (1<<12)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) & ~(1<<6)), S3C2416_GPKDAT);
-
- //GPK5, PA 3.3V
- writel(((readl(S3C2416_GPKCON) & ~(1<<11)) | (1<<10)), S3C2416_GPKCON);
- writel((readl(S3C2416_GPKDAT) & ~(1<<5)), S3C2416_GPKDAT);
- break;
- default:
- printk("no this command\n");
- }
- return 0;
- }
- #endif
- /* File operations struct for character device */
- static const struct file_operations s3c_wifi_fops = {
- .owner = THIS_MODULE,
- .ioctl = s3c_wifi_ioctl,
- .open = s3c_wifi_open,
- .release = NULL
- };
- //Qisda, Asaku Chen, 2009/08/20, for wifi power }
- static int s3c_hsmmc_probe (struct platform_device *pdev)
- {
- struct mmc_host *mmc;
- struct s3c_hsmmc_host *host;
- struct s3c_hsmmc_cfg *plat_data;
- uint i;
- int ret;
- #if 0
- unsigned long gpdat;
- unsigned long gpcon;
- /* Trevor Fix QISDA WIFIPMP SD_GPIO, Move to hsmmc_set_gpio*/
- gpcon = __raw_readl(S3C_GPL1CON);
- gpcon = (gpcon & ~(0xf<<12)) | (1<<12); // SD_GPIO(GPL11) Enable control
- __raw_writel(gpcon, S3C_GPL1CON);
- gpdat = __raw_readl(S3C_GPLDAT);
- gpdat |= (1<<11);
- __raw_writel(gpdat, S3C_GPLDAT);
- #endif
- mmc = mmc_alloc_host(sizeof(struct s3c_hsmmc_host), &pdev->dev);
- if (!mmc)
- ret = -ENOMEM;
- plat_data = s3c_hsmmc_get_platdata(&pdev->dev);
- //Qisda, Asaku Chen, 2009/08/20, for wifi power {
- if(plat_data->hwport==1){
- if (register_chrdev (S3C_WIFI_MAJOR, "s3c_wifi_cmd", &s3c_wifi_fops)) {
- printk("unable to get major S3C_WIFI_MAJOR\n");
-
- }
- }
- //Qisda, Asaku Chen, 2009/08/20, for wifi power }
- #ifdef CONFIG_QISDA_BK060B00
- //Qisda, Ralph Chang, 2010/02/09, for bt power {
- if(plat_data->hwport==1){
- if (register_chrdev (S3C_BT_MAJOR, "s3c_bt_cmd", &s3c_bt_fops)) {
- printk("unable to get major S3C_BT_MAJOR\n");
-
- }
- }
- //Qisda, Asaku Chen, 2009/08/20, for wifi power }
- #endif
-
- host = mmc_priv(mmc);
- host->mmc = mmc;
- host->plat_data = plat_data;
- host->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!host->mem) {
- printk("Failed to get io memory region resouce.\n");
- ret = -ENOENT;
- goto probe_free_host;
- }
- host->mem = request_mem_region(host->mem->start,
- RESSIZE(host->mem), pdev->name);
- if (!host->mem) {
- printk("Failed to request io memory region.\n");
- ret = -ENOENT;
- goto probe_free_host;
- }
- host->base = ioremap(host->mem->start, (host->mem->end - host->mem->start)+1);
- if (host->base == NULL) {
- printk(KERN_ERR "Failed to remap register block\n");
- return -ENOMEM;
- }
- host->irq = platform_get_irq(pdev, 0);
- if (host->irq == 0) {
- printk("Failed to get interrupt resouce.\n");
- ret = -EINVAL;
- goto untasklet;
- }
- DBG("platform_device(pdev): pdev(0x%p), name(%s)\n", pdev, pdev->name);
- DBG("s3c_hsmmc_host(host): mem->start(0x%08x), base(0x%p), size(%d)\n", host->mem->start, host->base, RESSIZE(host->mem));
- DBG("s3c_hsmmc_cfg(plat_data): enabled(%d) hwport(%d)\n", plat_data->enabled, plat_data->hwport);
- /* To detect a card inserted on channel 0, an external interrupt is used. */
- /* Qisda, howard hsu, 2010/01/21, SW_DEBOUNCE for sd card { */
- #ifdef CONFIG_SD_SW_DEBOUNCE
- if( plat_data->hwport == 0)
- {
- init_timer(&sd_detect_timer);
- sd_detect_timer.function=sdcard_debounce_timer;
- }
- #endif /* CONFIG_SD_SW_DEBOUNCE */
- /* } Qisda, howard hsu, 2010/01/21, SW_DEBOUNCE for sd card */
- /* Qisda, howard hsu, 2010/01/21, fix start slot for SD card { */
- if( plat_data->hwport == 0)
- {
- mmc->first_devidx = 1;
- }
- else
- {
- mmc->first_devidx = 0;
- }
- /* } Qisda, howard hsu, 2010/01/21, fix start slot for SD card */
- if ((plat_data->enabled == 1) && (plat_data->hwport == 0)) {
- host->irq_cd = platform_get_irq(pdev, 1);
- if (host->irq_cd == 0) {
- printk("Failed to get interrupt resouce.\n");
- ret = -EINVAL;
- goto untasklet;
- }
- #if defined(CONFIG_CPU_S3C2450) || defined(CONFIG_CPU_S3C2416)
- set_irq_type(host->irq_cd, IRQT_BOTHEDGE);
- #elif defined(CONFIG_CPU_S3C6410)
- set_irq_type(host->irq_cd, IRQT_LOW);
- #endif
- }
- host->flags |= S3C_HSMMC_USE_DMA;
- #ifdef CONFIG_HSMMC_SCATTERGATHER
- #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C2443)
- for (i=0; i<S3C_HSMMC_MAX_SUB_BUF; i++)
- host->sub_block[i] = kmalloc(S3C_HSMMC_MALLOC_SIZE, GFP_KERNEL);
- #endif
- #endif
- s3c_hsmmc_reset(host, S3C_HSMMC_RESET_ALL);
- /* register some clock sources if exist */
- for (i=0; i<NUM_OF_HSMMC_CLKSOURCES; i++) {
- host->clk[i] = clk_get(&pdev->dev, plat_data->clk_name[i]);
- if (IS_ERR(host->clk[i])) {
- ret = PTR_ERR(host->clk[i]);
- host->clk[i] = ERR_PTR(-ENOENT);
- }
- if (clk_enable(host->clk[i])) {
- host->clk[i] = ERR_PTR(-ENOENT);
- }
- if (!IS_ERR(host->clk[i])) {
- DBG("MMC clock source[%d], %s is %ld Hz\n",i, plat_data->clk_name[i], clk_get_rate(host->clk[i]));
- }
- }
- mmc->ops = &s3c_hsmmc_ops;
- mmc->ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34;
- mmc->f_min = 400 * 1000; /* at least 400kHz */
- /* you must make sure that our hsmmc block can support
- * up to 52MHz. by scsuh
- */
- //mmc->f_max = 100 * MHZ;
- mmc->f_max = 25 * MHZ;
- mmc->caps = plat_data->host_caps;
- DBG("mmc->caps: %08lx\n", mmc->caps);
- printk(KERN_INFO "mmc->caps: %08lx\n", mmc->caps);
- spin_lock_init(&host->lock);
- /*
- * Maximum number of segments. Hardware cannot do scatter lists.
- * XXX: must modify later. by scsuh
- */
- #ifdef CONFIG_HSMMC_SCATTERGATHER
- mmc->max_hw_segs = CONFIG_S3C_HSMMC_MAX_HW_SEGS;
- mmc->max_phys_segs = CONFIG_S3C_HSMMC_MAX_HW_SEGS;
- #else
- mmc->max_hw_segs = 1;
- #endif
- /*
- * Maximum number of sectors in one transfer. Limited by DMA boundary
- * size (512KiB), which means (512 KiB/512=) 1024 entries.
- */
- //mmc->max_sectors = 128; /* 65535/512=128 */
- /*
- * Maximum segment size. Could be one segment with the maximum number
- * of sectors.
- */
- mmc->max_blk_size = 512;
- mmc->max_seg_size = 128 * mmc->max_blk_size;
- mmc->max_blk_count = 128;
- mmc->max_req_size = mmc->max_seg_size;
- init_timer(&host->timer);
- host->timer.data = (unsigned long)host;
- host->timer.function = s3c_hsmmc_check_status;
- host->timer.expires = jiffies + HZ;
- /*
- * Init tasklets.
- */
- tasklet_init(&host->card_tasklet,
- s3c_hsmmc_tasklet_card, (unsigned long)host);
- #if 0
- tasklet_init(&host->finish_tasklet,
- s3c_hsmmc_tasklet_finish, (unsigned long)host);
- #endif
- ret = request_irq(host->irq, s3c_hsmmc_irq, 0, DRIVER_NAME, host);
- if (ret)
- goto untasklet;
- #if defined(CONFIG_CPU_S3C6410) || defined(CONFIG_CPU_S3C2450) || defined(CONFIG_CPU_S3C2416)
- if ((plat_data->enabled == 1) && (plat_data->hwport == 0)) {
- ret = request_irq(host->irq_cd, s3c_hsmmc_irq_cd, 0, DRIVER_NAME, host);
- if (ret)
- goto untasklet;
- enable_irq_wake(host->irq_cd);
- }
- #endif
- s3c_hsmmc_ios_init(host);
- DBG("before mmc_add_host()\n");
- mmc_add_host(mmc);
- DBG("after mmc_add_host()\n");
- #if defined(CONFIG_PM)
- global_host[plat_data->hwport] = host;
- #endif
- printk(KERN_INFO "[s3c_hsmmc_probe]: %s.%d: at 0x%p with irq %d. clk src:",
- pdev->name, pdev->id, host->base, host->irq);
- for (i=0; i<NUM_OF_HSMMC_CLKSOURCES; i++) {
- if (!IS_ERR(host->clk[i]))
- printk(" %s", host->clk[i]->name);
- }
- printk("\n");
- return 0;
- untasklet:
- tasklet_kill(&host->card_tasklet);
- /* tasklet_kill(&host->finish_tasklet); */
- for (i=0; i<NUM_OF_HSMMC_CLKSOURCES; i++) {
- if (host->clk[i] != ERR_PTR(-ENOENT)) {
- clk_disable(host->clk[i]);
- clk_put(host->clk[i]);
- }
- }
- probe_free_host:
- mmc_free_host(mmc);
- return ret;
- }
- static int s3c_hsmmc_remove(struct platform_device *dev)
- {
- struct mmc_host *mmc = platform_get_drvdata(dev);
- struct s3c_hsmmc_host *host = mmc_priv(mmc);
- int i;
- mmc = host->mmc;
- mmc_remove_host(mmc);
- s3c_hsmmc_reset(host, S3C_HSMMC_RESET_ALL);
- for (i=0; i<NUM_OF_HSMMC_CLKSOURCES; i++) {
- clk_disable(host->clk[i]);
- clk_put(host->clk[i]);
- }
- free_irq(host->irq, host);
- del_timer_sync(&host->timer);
- tasklet_kill(&host->card_tasklet);
- /* tasklet_kill(&host->finish_tasklet); */
- #ifdef CONFIG_HSMMC_SCATTERGATHER
- #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C2443)
- kfree(host->sub_block);
- #endif
- #endif
- mmc_free_host(mmc);
- return 0;
- }
- #ifdef CONFIG_PM
- static int s3c_hsmmc_suspend(struct platform_device *pdev, pm_message_t state)
- {
- // struct mmc_card *card;
- struct s3c_hsmmc_host *s3c_host = global_host[pdev->id];
- struct mmc_host *host = s3c_host->mmc;
- #if 0
- /*
- * Fix me later by jsgood
- */
- list_for_each_entry(card, &host->cards, node) {
- if (card->state & MMC_STATE_PRESENT)
- card->state &= ~MMC_STATE_PRESENT;
- }
- #endif
- //USB20_EN
- //writel((readl(S3C2410_GPHCON) & ~(1<<29) | 1<<28), S3C2410_GPHCON);
- //writel((readl(S3C2410_GPHDAT) &~(1<<14)), S3C2410_GPHDAT);
- if(((readl(S3C2410_GPGDAT) &(1<<1))==0)&&((readl(S3C2410_GPHDAT) &(1<<11))==0))
- {
- //if((readl(S3C2410_GPHDAT) &(1<<11))==0)
- {
- printk("\nUSB_UDC_DEVICE_s3c_hsmmc_suspend: usb\n");
- // writel((readl(S3C2410_GPHCON) & ~(1<<29) | (1<<28)), S3C2410_GPHCON);
- s3c2410_gpio_pullup(S3C2443_GPH14,1);
- s3c2410_gpio_cfgpin(S3C2443_GPH14, S3C2443_GPH14_OUTP);
- s3c2410_gpio_setpin(S3C2443_GPH14, 0); /* usb power enbale */
- s3c2410_gpio_pullup(S3C2410_GPD13,1);
- s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPD13_INP);
-
- }
- }
- if((readl(S3C2410_GPHDAT) &(1<<11))==0)
- {
- printk("\nUSB_UDC_DEVICE_s3c_hsmmc_suspend: 3g\n");
- s3c2410_gpio_pullup(S3C2410_GPH11,1);
- s3c2410_gpio_cfgpin(S3C2410_GPH11, S3C2410_GPH11_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPH11, 0); /* usb power enbale */
- s3c2410_gpio_pullup(S3C2410_GPH8,1);
- s3c2410_gpio_cfgpin(S3C2410_GPH8, S3C2410_GPH8_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPH8, 0); /* usb power enbale */
- s3c2410_gpio_cfgpin(S3C2410_GPH8, S3C2410_GPH9_OUTP);
- s3c2410_gpio_setpin(S3C2410_GPH9, 0); /* usb power enbale */
- // s3c2410_gpio_pullup(S3C2410_GPG3,1);
- // s3c2410_gpio_cfgpin(S3C2410_GPG3, S3C2410_GPG3_OUTP);
- // s3c2410_gpio_setpin(S3C2410_GPG3, 0); /* usb power enbale */
- }
- mmc_suspend_host(host, state);
- //mmc suspend GPIO config
- s3c_hsmmc_power_switch(s3c_host->plat_data->hwport, 0);
- /* Qisda, Howard, 2009/12/22, fix resume card-detect { */
- if(s3c_host->plat_data->hwport==0)
- {
- inResume = 1;
- card_detect2 = 2;
- }
- /* } Qisda, Howard, 2009/12/22, fix resume card-detect */
- return 0;
- }
- static int s3c_hsmmc_resume(struct platform_device *pdev)
- {
- struct s3c_hsmmc_host *s3c_host = global_host[pdev->id];
- struct mmc_host *host = s3c_host->mmc;
- int read_pin;
- //USB20_EN
- //writel((readl(S3C2410_GPHCON) & ~(1<<29) | 1<<28), S3C2410_GPHCON);
- //writel((readl(S3C2410_GPHDAT) |(1<<14)), S3C2410_GPHDAT);
- if((readl(S3C2410_GPGDAT) &(1<<1))!=0)
- {
- printk("\nUSB_UDC_DEVICE_POWER_STATE: %d\n");
- writel((readl(S3C2410_GPHCON) & ~(1<<29) | 1<<28), S3C2410_GPHCON);
- s3c2410_gpio_pullup(S3C2443_GPH14,2);
- s3c2410_gpio_cfgpin(S3C2443_GPH14,S3C2443_GPH14_OUTP);
- s3c2410_gpio_setpin(S3C2443_GPH14,1); /* usb power enbale */
- }
- //PWREN_SD
- if(s3c_host->plat_data->hwport==0){
- read_pin = readl(S3C2410_GPFDAT) & (1<<1);
- if(read_pin && !card_detect){
- printk("\nNO CARD\n");
- s3c_hsmmc_power_switch(0, 0);
- /* Qisda, Howard Hsu, 2009/12/17, card detect by level-trigger { */
- //set_irq_type(s3c_host->irq_cd, IRQT_FALLING);
- set_irq_type(s3c_host->irq_cd, IRQT_LOW);
- /* } Qisda, Howard Hsu, 2009/12/17, card detect by level-trigger */
- card_detect2 = 3;
- }
- else{
- if(read_pin){
- printk("no card\n");
- /* Qisda, Howard Hsu, 2009/12/17, card detect by level-trigger { */
- //set_irq_type(s3c_host->irq_cd, IRQT_FALLING);
- set_irq_type(s3c_host->irq_cd, IRQT_LOW);
- /* } Qisda, Howard Hsu, 2009/12/17, card detect by level-trigger */
- card_detect = 0;
- //s3c_hsmmc_power_switch(0, 0);
- }
- else{
- printk("card in\n");
- /* Qisda, Howard Hsu, 2009/12/17, card detect by level-trigger { */
- //set_irq_type(s3c_host->irq_cd, IRQT_RISING);
- set_irq_type(s3c_host->irq_cd, IRQT_HIGH);
- /* } Qisda, Howard Hsu, 2009/12/17, card detect by level-trigger */
- card_detect = 1;
- //s3c_hsmmc_power_switch(0, 1);
- }
-
- card_detect2 = 2;
- s3c_hsmmc_power_switch(0, 1);
- s3c_hsmmc_ios_init(s3c_host);
- mmc_resume_host(host);
- }
- inResume = 0; //howard, 2009/12/22, fix resume card-detect
- }
- else if(s3c_host->plat_data->hwport==1){
- s3c_hsmmc_power_switch(1, 1);
- s3c_hsmmc_ios_init(s3c_host);
- mmc_resume_host(host);
- }
- #if 0
- /* Qisda, Daniel Lee, 2009/07/23, e600 { */
- // For EVT0
- // Set MMC insert/remove irq back.
- if(card_detect)
- set_irq_type(s3c_host->irq_cd, IRQT_RISING);
- else
- set_irq_type(s3c_host->irq_cd, IRQT_FALLING);
- /* Qisda, Daniel Lee, 2009/07/23, e600 } */
- #endif
- /*}Qisda,2009/7/28,Leo SJ Yang*/
- //s3c_hsmmc_ios_init(s3c_host);
- //mmc_resume_host(host);
- /*Qisda,2009/7/28,Leo SJ Yang {*/
- /* Add SD Card,WIFI,USB power management*/
- if(s3c_host->plat_data->hwport==0)
- {
- //card_detect=1;
- }
- /*}Qisda,2009/7/28,Leo SJ Yang*/
- return 0;
- }
- #else
- #define s3c_hsmmc_suspend NULL
- #define s3c_hsmmc_resume NULL
- #endif
- static struct platform_driver s3c_hsmmc_driver =
- {
- .probe = s3c_hsmmc_probe,
- .remove = s3c_hsmmc_remove,
- .suspend = s3c_hsmmc_suspend,
- .resume = s3c_hsmmc_resume,
- .driver = {
- .name = "s3c-hsmmc",
- .owner = THIS_MODULE,
- },
- };
- static int __init s3c_hsmmc_drv_init(void)
- {
- //Disable SD power
- s3c_hsmmc_power_switch(0, 0);
- /*Qisda,2009/7/28,Leo SJ Yang{*/
- //s3c2410_gpio_cfgpin(S3C2410_GPF1,S3C2410_GPF1_EINT1);
- s3c2410_gpio_cfgpin(S3C2410_GPF1,S3C2410_GPF1_INP);
- s3c2410_gpio_pullup(S3C2410_GPF1, 2);
- /*}Qisda,2009/7/28,Leo SJ Yang*/
-
- return platform_driver_register(&s3c_hsmmc_driver);
- }
- static void __exit s3c_hsmmc_drv_exit(void)
- {
- platform_driver_unregister(&s3c_hsmmc_driver);
- }
- void s3c_moviNAND_power_off(void)
- {
- struct s3c_hsmmc_host *host = global_host[1];
- printk("s3c_moviNAND_power_off");
- s3c_hsmmc_writeb(S3C_HSMMC_POWER_OFF, S3C_HSMMC_PWRCON);
- }
- module_init(s3c_hsmmc_drv_init);
- module_exit(s3c_hsmmc_drv_exit);
- MODULE_DESCRIPTION("S3C SD HOST I/F 1.0 and 2.0 Driver");
- MODULE_LICENSE("GPL");
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