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xd.c
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xd.c
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/* Driver for Realtek RTS51xx USB card reader
*
* Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http:https://www.gnu.org/licenses/>.
*
* Author:
* wwang ([email protected])
* No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
* Maintainer:
* Edwin Rong ([email protected])
* No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
*/
#include <linux/blkdev.h>
#include <linux/kthread.h>
#include <linux/sched.h>
#include <linux/vmalloc.h>
#include "debug.h"
#include "trace.h"
#include "rts51x.h"
#include "rts51x_transport.h"
#include "rts51x_scsi.h"
#include "rts51x_card.h"
#include "xd.h"
static int xd_build_l2p_tbl(struct rts51x_chip *chip, int zone_no);
static int xd_init_page(struct rts51x_chip *chip, u32 phy_blk, u16 logoff,
u8 start_page, u8 end_page);
static inline void xd_set_err_code(struct rts51x_chip *chip, u8 err_code)
{
struct xd_info *xd_card = &(chip->xd_card);
xd_card->err_code = err_code;
}
static int xd_set_init_para(struct rts51x_chip *chip)
{
struct xd_info *xd_card = &(chip->xd_card);
int retval;
if (chip->asic_code)
xd_card->xd_clock = 47;
else
xd_card->xd_clock = CLK_50;
retval = switch_clock(chip, xd_card->xd_clock);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
return STATUS_SUCCESS;
}
static int xd_switch_clock(struct rts51x_chip *chip)
{
struct xd_info *xd_card = &(chip->xd_card);
int retval;
retval = rts51x_select_card(chip, XD_CARD);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
retval = switch_clock(chip, xd_card->xd_clock);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
return STATUS_SUCCESS;
}
static int xd_read_id(struct rts51x_chip *chip, u8 id_cmd, u8 *id_buf,
u8 buf_len)
{
int retval, i;
rts51x_init_cmd(chip);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, id_cmd);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
XD_TRANSFER_START | XD_READ_ID);
rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
XD_TRANSFER_END);
for (i = 0; i < 4; i++) {
rts51x_add_cmd(chip, READ_REG_CMD, (u16) (XD_ADDRESS1 + i), 0,
0);
}
retval = rts51x_send_cmd(chip, MODE_CR, 20);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
retval = rts51x_get_rsp(chip, 5, 20);
if (retval != STATUS_SUCCESS) {
rts51x_clear_xd_error(chip);
TRACE_RET(chip, retval);
}
if (id_buf && buf_len) {
if (buf_len > 4)
buf_len = 4;
rts51x_read_rsp_buf(chip, 1, id_buf, buf_len);
}
return STATUS_SUCCESS;
}
static void xd_assign_phy_addr(struct rts51x_chip *chip, u32 addr, u8 mode)
{
struct xd_info *xd_card = &(chip->xd_card);
switch (mode) {
case XD_RW_ADDR:
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF, 0);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 0xFF,
(u8) addr);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2, 0xFF,
(u8) (addr >> 8));
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS3, 0xFF,
(u8) (addr >> 16));
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF,
xd_card->addr_cycle | XD_CALC_ECC |
XD_BA_NO_TRANSFORM);
break;
case XD_ERASE_ADDR:
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF,
(u8) addr);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 0xFF,
(u8) (addr >> 8));
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2, 0xFF,
(u8) (addr >> 16));
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF,
(xd_card->addr_cycle - 1) |
XD_CALC_ECC | XD_BA_NO_TRANSFORM);
break;
default:
break;
}
}
static int xd_read_redundant(struct rts51x_chip *chip, u32 page_addr, u8 *buf,
int buf_len)
{
int retval, i;
rts51x_init_cmd(chip);
xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
XD_TRANSFER_START | XD_READ_REDUNDANT);
rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
XD_TRANSFER_END);
for (i = 0; i < 6; i++) {
rts51x_add_cmd(chip, READ_REG_CMD, (u16) (XD_PAGE_STATUS + i),
0, 0);
}
for (i = 0; i < 4; i++) {
rts51x_add_cmd(chip, READ_REG_CMD, (u16) (XD_RESERVED0 + i), 0,
0);
}
rts51x_add_cmd(chip, READ_REG_CMD, XD_PARITY, 0, 0);
retval = rts51x_send_cmd(chip, MODE_CR, 100);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
retval = rts51x_get_rsp(chip, 11, 500);
if (retval != STATUS_SUCCESS) {
rts51x_clear_xd_error(chip);
TRACE_RET(chip, retval);
}
if (buf && buf_len) {
if (buf_len > 11)
buf_len = 11;
rts51x_read_rsp_buf(chip, 1, buf, buf_len);
}
return STATUS_SUCCESS;
}
static int xd_read_data_from_ppb(struct rts51x_chip *chip, int offset, u8 *buf,
int buf_len)
{
int retval, i;
if (!buf || (buf_len <= 0))
TRACE_RET(chip, STATUS_FAIL);
rts51x_init_cmd(chip);
for (i = 0; i < buf_len; i++) {
rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + offset + i, 0,
0);
}
retval = rts51x_send_cmd(chip, MODE_CR, 100);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
retval = rts51x_get_rsp(chip, buf_len, 200);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
rts51x_read_rsp_buf(chip, 0, buf, buf_len);
return STATUS_SUCCESS;
}
static int xd_read_cis(struct rts51x_chip *chip, u32 page_addr, u8 *buf,
int buf_len)
{
int retval;
u8 reg;
if (!buf || (buf_len < 10))
TRACE_RET(chip, STATUS_FAIL);
rts51x_init_cmd(chip);
xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
PINGPONG_BUFFER);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
XD_TRANSFER_START | XD_READ_PAGES);
rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
XD_TRANSFER_END | XD_PPB_EMPTY,
XD_TRANSFER_END | XD_PPB_EMPTY);
retval = rts51x_send_cmd(chip, MODE_CR, 100);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
retval = rts51x_get_rsp(chip, 1, 500);
if (retval == STATUS_TIMEDOUT) {
rts51x_clear_xd_error(chip);
TRACE_RET(chip, retval);
}
RTS51X_READ_REG(chip, XD_PAGE_STATUS, ®);
if (reg != XD_GPG) {
rts51x_clear_xd_error(chip);
TRACE_RET(chip, STATUS_FAIL);
}
RTS51X_READ_REG(chip, XD_CTL, ®);
if (!(reg & XD_ECC1_ERROR) || !(reg & XD_ECC1_UNCORRECTABLE)) {
retval = xd_read_data_from_ppb(chip, 0, buf, buf_len);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
if (reg & XD_ECC1_ERROR) { /* correctable error */
u8 ecc_bit, ecc_byte;
RTS51X_READ_REG(chip, XD_ECC_BIT1, &ecc_bit);
RTS51X_READ_REG(chip, XD_ECC_BYTE1, &ecc_byte);
RTS51X_DEBUGP("ECC_BIT1 = 0x%x, ECC_BYTE1 = 0x%x\n",
ecc_bit, ecc_byte);
if (ecc_byte < buf_len) {
RTS51X_DEBUGP("Before correct: 0x%x\n",
buf[ecc_byte]);
buf[ecc_byte] ^= (1 << ecc_bit);
RTS51X_DEBUGP("After correct: 0x%x\n",
buf[ecc_byte]);
}
}
} else if (!(reg & XD_ECC2_ERROR) || !(reg & XD_ECC2_UNCORRECTABLE)) {
RTS51X_WRITE_REG(chip, CARD_STOP, XD_STOP | XD_CLR_ERR,
XD_STOP | XD_CLR_ERR);
retval = xd_read_data_from_ppb(chip, 256, buf, buf_len);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
if (reg & XD_ECC2_ERROR) {
u8 ecc_bit, ecc_byte;
RTS51X_READ_REG(chip, XD_ECC_BIT2, &ecc_bit);
RTS51X_READ_REG(chip, XD_ECC_BYTE2, &ecc_byte);
RTS51X_DEBUGP("ECC_BIT2 = 0x%x, ECC_BYTE2 = 0x%x\n",
ecc_bit, ecc_byte);
if (ecc_byte < buf_len) {
RTS51X_DEBUGP("Before correct: 0x%x\n",
buf[ecc_byte]);
buf[ecc_byte] ^= (1 << ecc_bit);
RTS51X_DEBUGP("After correct: 0x%x\n",
buf[ecc_byte]);
}
}
} else {
rts51x_clear_xd_error(chip);
TRACE_RET(chip, STATUS_FAIL);
}
return STATUS_SUCCESS;
}
static void xd_pull_ctl_disable(struct rts51x_chip *chip)
{
if (CHECK_PKG(chip, LQFP48)) {
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5);
} else {
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x65);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x56);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59);
}
}
static void xd_pull_ctl_enable(struct rts51x_chip *chip)
{
if (CHECK_PKG(chip, LQFP48)) {
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xAA);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5);
} else {
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xA5);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x59);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59);
}
}
static int reset_xd(struct rts51x_chip *chip)
{
struct xd_info *xd_card = &(chip->xd_card);
int retval, i, j;
u8 id_buf[4], redunt[11];
retval = rts51x_select_card(chip, XD_CARD);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, STATUS_FAIL);
rts51x_init_cmd(chip);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, 0xFF,
XD_PGSTS_NOT_FF);
if (chip->asic_code)
xd_pull_ctl_disable(chip);
else
rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF,
(FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN3));
if (!chip->option.FT2_fast_mode) {
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_INIT, XD_NO_AUTO_PWR_OFF,
0);
if (CHECK_PKG(chip, LQFP48) ||
chip->option.rts5129_D3318_off_enable) {
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL,
DV3318_AUTO_PWR_OFF,
DV3318_AUTO_PWR_OFF);
}
}
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, 0);
if (!chip->option.FT2_fast_mode) {
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK,
POWER_OFF);
}
retval = rts51x_send_cmd(chip, MODE_C, 100);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
if (!chip->option.FT2_fast_mode) {
#ifdef SD_XD_IO_FOLLOW_PWR
if (CHECK_PKG(chip, LQFP48)
|| chip->option.rts5129_D3318_off_enable) {
rts51x_write_register(chip, CARD_PWR_CTL,
LDO_OFF, LDO_OFF);
}
#endif
wait_timeout(250);
#ifdef SD_XD_IO_FOLLOW_PWR
if (CHECK_PKG(chip, LQFP48)
|| chip->option.rts5129_D3318_off_enable) {
rts51x_init_cmd(chip);
if (chip->asic_code) {
xd_pull_ctl_enable(chip);
} else {
rts51x_add_cmd(chip, WRITE_REG_CMD,
FPGA_PULL_CTL, 0xFF,
(FPGA_XD_PULL_CTL_EN1 &
FPGA_XD_PULL_CTL_EN2));
}
retval = rts51x_send_cmd(chip, MODE_C, 100);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, STATUS_FAIL);
}
#endif
retval = rts51x_card_power_on(chip, XD_CARD);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
#ifdef SUPPORT_OCP
wait_timeout(50);
rts51x_get_card_status(chip, &(chip->card_status));
chip->ocp_stat = (chip->card_status >> 4) & 0x03;
if (chip->ocp_stat & (MS_OCP_NOW | MS_OCP_EVER)) {
RTS51X_DEBUGP("Over current, OCPSTAT is 0x%x\n",
chip->ocp_stat);
TRACE_RET(chip, STATUS_FAIL);
}
#endif
}
rts51x_init_cmd(chip);
if (chip->asic_code)
xd_pull_ctl_enable(chip);
else
rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF,
(FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN2));
rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN,
XD_OUTPUT_EN);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CTL, XD_CE_DISEN, XD_CE_DISEN);
retval = rts51x_send_cmd(chip, MODE_C, 100);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, STATUS_FAIL);
if (!chip->option.FT2_fast_mode)
wait_timeout(200);
retval = xd_set_init_para(chip);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, STATUS_FAIL);
/* Read ID to check if the timing setting is right */
for (i = 0; i < 4; i++) {
u8 xd_dat, xd_ctl;
if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST)
TRACE_RET(chip, STATUS_FAIL);
rts51x_init_cmd(chip);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_DTCTL, 0xFF,
XD_TIME_SETUP_STEP * 3 + XD_TIME_RW_STEP *
(2 + i + chip->option.rts51x_xd_rw_step)
+ XD_TIME_RWN_STEP * (i + chip->option.rts51x_xd_rwn_step));
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CATCTL, 0xFF,
XD_TIME_SETUP_STEP * 3 + XD_TIME_RW_STEP * (4 +
i) + XD_TIME_RWN_STEP * (3 + i));
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
XD_TRANSFER_START | XD_RESET);
rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
XD_TRANSFER_END, XD_TRANSFER_END);
rts51x_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
rts51x_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0);
retval = rts51x_send_cmd(chip, MODE_CR, 100);
if (retval != STATUS_SUCCESS) {
rts51x_clear_xd_error(chip);
TRACE_RET(chip, retval);
}
retval = rts51x_get_rsp(chip, 3, 100);
if (retval != STATUS_SUCCESS) {
rts51x_clear_xd_error(chip);
TRACE_RET(chip, retval);
}
xd_dat = chip->rsp_buf[1];
xd_ctl = chip->rsp_buf[2];
RTS51X_DEBUGP("XD_DAT: 0x%x, XD_CTL: 0x%x\n", xd_dat, xd_ctl);
if (((xd_dat & READY_FLAG) != READY_STATE)
|| !(xd_ctl & XD_RDY))
continue;
retval = xd_read_id(chip, READ_ID, id_buf, 4);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
RTS51X_DEBUGP("READ_ID: 0x%x 0x%x 0x%x 0x%x\n",
id_buf[0], id_buf[1], id_buf[2], id_buf[3]);
xd_card->device_code = id_buf[1];
switch (xd_card->device_code) {
case XD_4M_X8_512_1:
case XD_4M_X8_512_2:
xd_card->block_shift = 4; /* 16 pages per block */
xd_card->page_off = 0x0F;
xd_card->addr_cycle = 3;
xd_card->zone_cnt = 1;
xd_card->capacity = 8000; /* 500 * 2 ^ 4 */
XD_SET_4MB(xd_card);
break;
case XD_8M_X8_512:
xd_card->block_shift = 4;
xd_card->page_off = 0x0F;
xd_card->addr_cycle = 3;
xd_card->zone_cnt = 1;
xd_card->capacity = 16000; /* 1000 * 2 ^ 4 */
break;
case XD_16M_X8_512:
XD_PAGE_512(xd_card); /* 32 pages per block */
xd_card->addr_cycle = 3;
xd_card->zone_cnt = 1;
xd_card->capacity = 32000; /* 1000 * 2 ^ 5 */
break;
case XD_32M_X8_512:
XD_PAGE_512(xd_card);
xd_card->addr_cycle = 3;
xd_card->zone_cnt = 2;
xd_card->capacity = 64000; /* 2000 * 2 ^ 5 */
break;
case XD_64M_X8_512:
XD_PAGE_512(xd_card);
xd_card->addr_cycle = 4;
xd_card->zone_cnt = 4;
xd_card->capacity = 128000; /* 4000 * 2 ^ 5 */
break;
case XD_128M_X8_512:
XD_PAGE_512(xd_card);
xd_card->addr_cycle = 4;
xd_card->zone_cnt = 8;
xd_card->capacity = 256000; /* 8000 * 2 ^ 5 */
break;
case XD_256M_X8_512:
XD_PAGE_512(xd_card);
xd_card->addr_cycle = 4;
xd_card->zone_cnt = 16;
xd_card->capacity = 512000; /* 16000 * 2 ^ 5 */
break;
case XD_512M_X8:
XD_PAGE_512(xd_card);
xd_card->addr_cycle = 4;
xd_card->zone_cnt = 32;
xd_card->capacity = 1024000; /* 32000 * 2 ^ 5 */
break;
case xD_1G_X8_512:
XD_PAGE_512(xd_card);
xd_card->addr_cycle = 4;
xd_card->zone_cnt = 64;
xd_card->capacity = 2048000; /* 64000 * 2 ^ 5 */
break;
case xD_2G_X8_512:
XD_PAGE_512(xd_card);
xd_card->addr_cycle = 4;
xd_card->zone_cnt = 128;
xd_card->capacity = 4096000; /* 128000 * 2 ^ 5 */
break;
default:
continue;
}
/* Confirm timing setting */
for (j = 0; j < 10; j++) {
retval = xd_read_id(chip, READ_ID, id_buf, 4);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
if (id_buf[1] != xd_card->device_code)
break;
}
/* Current timing pass */
if (j == 10)
break;
}
if (i == 4) {
xd_card->block_shift = 0;
xd_card->page_off = 0;
xd_card->addr_cycle = 0;
xd_card->capacity = 0;
TRACE_RET(chip, STATUS_FAIL);
}
retval = xd_read_id(chip, READ_xD_ID, id_buf, 4);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
RTS51X_DEBUGP("READ_xD_ID: 0x%x 0x%x 0x%x 0x%x\n",
id_buf[0], id_buf[1], id_buf[2], id_buf[3]);
if (id_buf[2] != XD_ID_CODE)
TRACE_RET(chip, STATUS_FAIL);
/* Search CIS block */
for (i = 0; i < 24; i++) {
u32 page_addr;
if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST)
TRACE_RET(chip, STATUS_FAIL);
page_addr = (u32) i << xd_card->block_shift;
for (j = 0; j < 3; j++) {
retval = xd_read_redundant(chip, page_addr, redunt, 11);
if (retval == STATUS_SUCCESS)
break;
}
if (j == 3)
continue;
if (redunt[BLOCK_STATUS] != XD_GBLK)
continue;
j = 0;
/* Check page status */
if (redunt[PAGE_STATUS] != XD_GPG) {
for (j = 1; j <= 8; j++) {
retval =
xd_read_redundant(chip, page_addr + j,
redunt, 11);
if (retval == STATUS_SUCCESS) {
if (redunt[PAGE_STATUS] == XD_GPG)
break;
}
}
if (j == 9)
break;
}
if ((redunt[BLOCK_STATUS] == XD_GBLK)
&& (redunt[PARITY] & XD_BA1_ALL0)) {
u8 buf[10];
page_addr += j;
retval = xd_read_cis(chip, page_addr, buf, 10);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
if ((buf[0] == 0x01) && (buf[1] == 0x03)
&& (buf[2] == 0xD9)
&& (buf[3] == 0x01) && (buf[4] == 0xFF)
&& (buf[5] == 0x18) && (buf[6] == 0x02)
&& (buf[7] == 0xDF) && (buf[8] == 0x01)
&& (buf[9] == 0x20)) {
xd_card->cis_block = (u16) i;
}
}
break;
}
RTS51X_DEBUGP("CIS block: 0x%x\n", xd_card->cis_block);
if (xd_card->cis_block == 0xFFFF)
TRACE_RET(chip, STATUS_FAIL);
chip->capacity[chip->card2lun[XD_CARD]] = xd_card->capacity;
return STATUS_SUCCESS;
}
static int xd_check_data_blank(u8 *redunt)
{
int i;
for (i = 0; i < 6; i++) {
if (redunt[PAGE_STATUS + i] != 0xFF)
return 0;
}
if ((redunt[PARITY] & (XD_ECC1_ALL1 | XD_ECC2_ALL1)) !=
(XD_ECC1_ALL1 | XD_ECC2_ALL1))
return 0;
for (i = 0; i < 4; i++) {
if (redunt[RESERVED0 + i] != 0xFF)
return 0;
}
return 1;
}
static u16 xd_load_log_block_addr(u8 *redunt)
{
u16 addr = 0xFFFF;
if (redunt[PARITY] & XD_BA1_BA2_EQL)
addr =
((u16) redunt[BLOCK_ADDR1_H] << 8) | redunt[BLOCK_ADDR1_L];
else if (redunt[PARITY] & XD_BA1_VALID)
addr =
((u16) redunt[BLOCK_ADDR1_H] << 8) | redunt[BLOCK_ADDR1_L];
else if (redunt[PARITY] & XD_BA2_VALID)
addr =
((u16) redunt[BLOCK_ADDR2_H] << 8) | redunt[BLOCK_ADDR2_L];
return addr;
}
static int xd_init_l2p_tbl(struct rts51x_chip *chip)
{
struct xd_info *xd_card = &(chip->xd_card);
int size, i;
RTS51X_DEBUGP("xd_init_l2p_tbl: zone_cnt = %d\n", xd_card->zone_cnt);
if (xd_card->zone_cnt < 1)
TRACE_RET(chip, STATUS_FAIL);
size = xd_card->zone_cnt * sizeof(struct zone_entry);
RTS51X_DEBUGP("Buffer size for l2p table is %d\n", size);
xd_card->zone = vmalloc(size);
if (!xd_card->zone)
TRACE_RET(chip, STATUS_NOMEM);
for (i = 0; i < xd_card->zone_cnt; i++) {
xd_card->zone[i].build_flag = 0;
xd_card->zone[i].l2p_table = NULL;
xd_card->zone[i].free_table = NULL;
xd_card->zone[i].get_index = 0;
xd_card->zone[i].set_index = 0;
xd_card->zone[i].unused_blk_cnt = 0;
}
return STATUS_SUCCESS;
}
static inline void free_zone(struct zone_entry *zone)
{
RTS51X_DEBUGP("free_zone\n");
if (!zone)
return;
zone->build_flag = 0;
zone->set_index = 0;
zone->get_index = 0;
zone->unused_blk_cnt = 0;
if (zone->l2p_table) {
vfree(zone->l2p_table);
zone->l2p_table = NULL;
}
if (zone->free_table) {
vfree(zone->free_table);
zone->free_table = NULL;
}
}
static void xd_set_unused_block(struct rts51x_chip *chip, u32 phy_blk)
{
struct xd_info *xd_card = &(chip->xd_card);
struct zone_entry *zone;
int zone_no;
zone_no = (int)phy_blk >> 10;
if (zone_no >= xd_card->zone_cnt) {
RTS51X_DEBUGP("Set unused block to invalid zone"
"(zone_no = %d, zone_cnt = %d)\n",
zone_no, xd_card->zone_cnt);
return;
}
zone = &(xd_card->zone[zone_no]);
if (zone->free_table == NULL) {
if (xd_build_l2p_tbl(chip, zone_no) != STATUS_SUCCESS)
return;
}
if ((zone->set_index >= XD_FREE_TABLE_CNT)
|| (zone->set_index < 0)) {
free_zone(zone);
RTS51X_DEBUGP("Set unused block fail, invalid set_index\n");
return;
}
RTS51X_DEBUGP("Set unused block to index %d\n", zone->set_index);
zone->free_table[zone->set_index++] = (u16) (phy_blk & 0x3ff);
if (zone->set_index >= XD_FREE_TABLE_CNT)
zone->set_index = 0;
zone->unused_blk_cnt++;
}
static u32 xd_get_unused_block(struct rts51x_chip *chip, int zone_no)
{
struct xd_info *xd_card = &(chip->xd_card);
struct zone_entry *zone;
u32 phy_blk;
if (zone_no >= xd_card->zone_cnt) {
RTS51X_DEBUGP("Get unused block from invalid zone"
"(zone_no = %d, zone_cnt = %d)\n",
zone_no, xd_card->zone_cnt);
TRACE_RET(chip, BLK_NOT_FOUND);
}
zone = &(xd_card->zone[zone_no]);
if ((zone->unused_blk_cnt == 0) ||
(zone->set_index == zone->get_index)) {
free_zone(zone);
RTS51X_DEBUGP("Get unused block fail,"
"no unused block available\n");
TRACE_RET(chip, BLK_NOT_FOUND);
}
if ((zone->get_index >= XD_FREE_TABLE_CNT) || (zone->get_index < 0)) {
free_zone(zone);
RTS51X_DEBUGP("Get unused block fail, invalid get_index\n");
TRACE_RET(chip, BLK_NOT_FOUND);
}
RTS51X_DEBUGP("Get unused block from index %d\n", zone->get_index);
phy_blk = zone->free_table[zone->get_index];
zone->free_table[zone->get_index++] = 0xFFFF;
if (zone->get_index >= XD_FREE_TABLE_CNT)
zone->get_index = 0;
zone->unused_blk_cnt--;
phy_blk += ((u32) (zone_no) << 10);
return phy_blk;
}
static void xd_set_l2p_tbl(struct rts51x_chip *chip, int zone_no, u16 log_off,
u16 phy_off)
{
struct xd_info *xd_card = &(chip->xd_card);
struct zone_entry *zone;
zone = &(xd_card->zone[zone_no]);
zone->l2p_table[log_off] = phy_off;
}
static int xd_delay_write(struct rts51x_chip *chip);
static u32 xd_get_l2p_tbl(struct rts51x_chip *chip, int zone_no, u16 log_off)
{
struct xd_info *xd_card = &(chip->xd_card);
struct zone_entry *zone;
int retval;
zone = &(xd_card->zone[zone_no]);
if (zone->l2p_table[log_off] == 0xFFFF) {
u32 phy_blk = 0;
int i;
retval = xd_delay_write(chip);
if (retval != STATUS_SUCCESS) {
RTS51X_DEBUGP("In xd_get_l2p_tbl,"
"delay write fail!\n");
TRACE_RET(chip, BLK_NOT_FOUND);
}
if (zone->unused_blk_cnt <= 0) {
RTS51X_DEBUGP("No unused block!\n");
TRACE_RET(chip, BLK_NOT_FOUND);
}
for (i = 0; i < zone->unused_blk_cnt; i++) {
phy_blk = xd_get_unused_block(chip, zone_no);
if (phy_blk == BLK_NOT_FOUND) {
RTS51X_DEBUGP("No unused block available!\n");
TRACE_RET(chip, BLK_NOT_FOUND);
}
retval =
xd_init_page(chip, phy_blk, log_off, 0,
xd_card->page_off + 1);
if (retval == STATUS_SUCCESS)
break;
}
if (i >= zone->unused_blk_cnt) {
RTS51X_DEBUGP("No good unused block available!\n");
TRACE_RET(chip, BLK_NOT_FOUND);
}
xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (phy_blk & 0x3FF));
return phy_blk;
}
return (u32) zone->l2p_table[log_off] + ((u32) (zone_no) << 10);
}
int rts51x_reset_xd_card(struct rts51x_chip *chip)
{
struct xd_info *xd_card = &(chip->xd_card);
int retval;
memset(xd_card, 0, sizeof(struct xd_info));
xd_card->block_shift = 0;
xd_card->page_off = 0;
xd_card->addr_cycle = 0;
xd_card->capacity = 0;
xd_card->zone_cnt = 0;
xd_card->cis_block = 0xFFFF;
xd_card->delay_write.delay_write_flag = 0;
rts51x_enable_card_clock(chip, XD_CARD);
retval = reset_xd(chip);
if (retval != STATUS_SUCCESS) {
if (chip->option.reset_or_rw_fail_set_pad_drive) {
rts51x_write_register(chip, CARD_DRIVE_SEL,
SD20_DRIVE_MASK, DRIVE_8mA);
}
TRACE_RET(chip, retval);
}
retval = xd_init_l2p_tbl(chip);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, retval);
return STATUS_SUCCESS;
}
static int xd_mark_bad_block(struct rts51x_chip *chip, u32 phy_blk)
{
struct xd_info *xd_card = &(chip->xd_card);
int retval;
u32 page_addr;
u8 reg = 0;
RTS51X_DEBUGP("mark block 0x%x as bad block\n", phy_blk);
if (phy_blk == BLK_NOT_FOUND)
TRACE_RET(chip, STATUS_FAIL);
rts51x_init_cmd(chip);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF,
XD_LATER_BBLK);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF, 0xFF);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, 0xFF);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_H, 0xFF, 0xFF);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_L, 0xFF, 0xFF);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED0, 0xFF, 0xFF);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED1, 0xFF, 0xFF);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED2, 0xFF, 0xFF);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED3, 0xFF, 0xFF);
page_addr = phy_blk << xd_card->block_shift;
xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
/* Specify page count */
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF,
xd_card->page_off + 1);
rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
XD_TRANSFER_START | XD_WRITE_REDUNDANT);
rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
XD_TRANSFER_END);
retval = rts51x_send_cmd(chip, MODE_CR, 100);
if (retval != STATUS_SUCCESS)
TRACE_RET(chip, STATUS_FAIL);
retval = rts51x_get_rsp(chip, 1, 100);
if (retval != STATUS_SUCCESS) {
rts51x_clear_xd_error(chip);
rts51x_ep0_read_register(chip, XD_DAT, ®);
if (reg & PROGRAM_ERROR)
xd_set_err_code(chip, XD_PRG_ERROR);
else
xd_set_err_code(chip, XD_TO_ERROR);
TRACE_RET(chip, STATUS_FAIL);
}
return STATUS_SUCCESS;
}
static int xd_init_page(struct rts51x_chip *chip, u32 phy_blk, u16 logoff,
u8 start_page, u8 end_page)