diff options
Diffstat (limited to 'drivers/staging/rts5139/sd_cprm.c')
| -rw-r--r-- | drivers/staging/rts5139/sd_cprm.c | 1056 |
1 files changed, 0 insertions, 1056 deletions
diff --git a/drivers/staging/rts5139/sd_cprm.c b/drivers/staging/rts5139/sd_cprm.c deleted file mode 100644 index cede6c07394f..000000000000 --- a/drivers/staging/rts5139/sd_cprm.c +++ /dev/null @@ -1,1056 +0,0 @@ -/* 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://www.gnu.org/licenses/>. - * - * Author: - * wwang (wei_wang@realsil.com.cn) - * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China - * Maintainer: - * Edwin Rong (edwin_rong@realsil.com.cn) - * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China - */ - -#include <linux/blkdev.h> -#include <linux/kthread.h> -#include <linux/sched.h> -#include <linux/slab.h> - -#include "debug.h" -#include "trace.h" -#include "rts51x.h" -#include "rts51x_transport.h" -#include "rts51x_scsi.h" -#include "rts51x_card.h" -#include "rts51x_chip.h" -#include "sd_cprm.h" -#include "sd.h" - -#ifdef SUPPORT_CPRM - -static inline int get_rsp_type(u8 rsp_code, u8 *rsp_type, int *rsp_len) -{ - if (!rsp_type || !rsp_len) - return STATUS_FAIL; - - switch (rsp_code) { - case 0x03: - *rsp_type = SD_RSP_TYPE_R0; /* no response */ - *rsp_len = 0; - break; - - case 0x04: - *rsp_type = SD_RSP_TYPE_R1; /* R1,R6(,R4,R5) */ - *rsp_len = 6; - break; - - case 0x05: - *rsp_type = SD_RSP_TYPE_R1b; /* R1b */ - *rsp_len = 6; - break; - - case 0x06: - *rsp_type = SD_RSP_TYPE_R2; /* R2 */ - *rsp_len = 17; - break; - - case 0x07: - *rsp_type = SD_RSP_TYPE_R3; /* R3 */ - *rsp_len = 6; - break; - - default: - return STATUS_FAIL; - } - - return STATUS_SUCCESS; -} - -static int ext_sd_send_cmd_get_rsp(struct rts51x_chip *chip, u8 cmd_idx, - u32 arg, u8 rsp_type, u8 *rsp, int rsp_len, - int special_check) -{ - int retval; - int timeout = 50; - u16 reg_addr; - u8 buf[17], stat; - int len = 2; - int rty_cnt = 0; - - RTS51X_DEBUGP("EXT SD/MMC CMD %d\n", cmd_idx); - - if (rsp_type == SD_RSP_TYPE_R1b) - timeout = 3000; - -RTY_SEND_CMD: - - rts51x_init_cmd(chip); - - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF, 0x40 | cmd_idx); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD1, 0xFF, (u8) (arg >> 24)); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD2, 0xFF, (u8) (arg >> 16)); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD3, 0xFF, (u8) (arg >> 8)); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD4, 0xFF, (u8) arg); - - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, rsp_type); - rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, - 0x01, PINGPONG_BUFFER); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, - 0xFF, SD_TM_CMD_RSP | SD_TRANSFER_START); - rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, SD_TRANSFER_END, - SD_TRANSFER_END); - - rts51x_add_cmd(chip, READ_REG_CMD, SD_STAT1, 0, 0); - - if (CHECK_USB(chip, USB_20)) { - if (rsp_type == SD_RSP_TYPE_R2) { - for (reg_addr = PPBUF_BASE2; - reg_addr < PPBUF_BASE2 + 16; reg_addr++) { - rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0, - 0); - } - len = 19; - } else if (rsp_type != SD_RSP_TYPE_R0) { - /* Read data from SD_CMDx registers */ - for (reg_addr = SD_CMD0; reg_addr <= SD_CMD4; - reg_addr++) { - rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0, - 0); - } - len = 8; - } else { - len = 3; - } - rts51x_add_cmd(chip, READ_REG_CMD, SD_CMD5, 0, 0); - } else { - len = 2; - } - - retval = rts51x_send_cmd(chip, MODE_CR, 100); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, retval); - - retval = rts51x_get_rsp(chip, len, timeout); - - if (CHECK_SD_TRANS_FAIL(chip, retval)) { - rts51x_clear_sd_error(chip); - - if (retval == STATUS_TIMEDOUT) { - if (rsp_type & SD_WAIT_BUSY_END) { - retval = sd_check_data0_status(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, retval); - } - } - TRACE_RET(chip, STATUS_FAIL); - } - - if (rsp_type == SD_RSP_TYPE_R0) - return STATUS_SUCCESS; - - if (CHECK_USB(chip, USB_20)) { - rts51x_read_rsp_buf(chip, 2, buf, len - 2); - } else { - if (rsp_type == SD_RSP_TYPE_R2) { - reg_addr = PPBUF_BASE2; - len = 16; - } else { - reg_addr = SD_CMD0; - len = 5; - } - retval = - rts51x_seq_read_register(chip, reg_addr, - (unsigned short)len, buf); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, retval); - RTS51X_READ_REG(chip, SD_CMD5, buf + len); - } - stat = chip->rsp_buf[1]; - - if ((buf[0] & 0xC0) != 0) - TRACE_RET(chip, STATUS_FAIL); - - if (!(rsp_type & SD_NO_CHECK_CRC7)) { - if (stat & SD_CRC7_ERR) { - if (cmd_idx == WRITE_MULTIPLE_BLOCK) - TRACE_RET(chip, STATUS_FAIL); - if (rty_cnt < SD_MAX_RETRY_COUNT) { - wait_timeout(20); - rty_cnt++; - goto RTY_SEND_CMD; - } else { - TRACE_RET(chip, STATUS_FAIL); - } - } - } - - if ((cmd_idx == SELECT_CARD) || (cmd_idx == APP_CMD) || - (cmd_idx == SEND_STATUS) || (cmd_idx == STOP_TRANSMISSION)) { - if ((cmd_idx != STOP_TRANSMISSION) && (special_check == 0)) { - if (buf[1] & 0x80) - TRACE_RET(chip, STATUS_FAIL); - } - if (buf[1] & 0x7F) - TRACE_RET(chip, STATUS_FAIL); - if (buf[2] & 0xF8) - TRACE_RET(chip, STATUS_FAIL); - - if (cmd_idx == SELECT_CARD) { - if (rsp_type == SD_RSP_TYPE_R2) { - if ((buf[3] & 0x1E) != 0x04) - TRACE_RET(chip, STATUS_FAIL); - } else if (rsp_type == SD_RSP_TYPE_R2) { - if ((buf[3] & 0x1E) != 0x03) - TRACE_RET(chip, STATUS_FAIL); - } - } - } - - if (rsp && rsp_len) - memcpy(rsp, buf, rsp_len); - - return STATUS_SUCCESS; -} - -static int ext_sd_get_rsp(struct rts51x_chip *chip, int len, - u8 *rsp, u8 rsp_type) -{ - int retval, rsp_len; - u16 reg_addr; - - if (rsp_type == SD_RSP_TYPE_R0) - return STATUS_SUCCESS; - - rts51x_init_cmd(chip); - - if (rsp_type == SD_RSP_TYPE_R2) { - for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16; - reg_addr++) { - rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0xFF, 0); - } - rsp_len = 17; - } else if (rsp_type != SD_RSP_TYPE_R0) { - for (reg_addr = SD_CMD0; reg_addr <= SD_CMD4; reg_addr++) - rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0xFF, 0); - rsp_len = 6; - } - rts51x_add_cmd(chip, READ_REG_CMD, SD_CMD5, 0xFF, 0); - - retval = rts51x_send_cmd(chip, MODE_CR, 100); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, retval); - - retval = rts51x_get_rsp(chip, rsp_len, 100); - - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, retval); - - if (rsp) { - int min_len = (rsp_len < len) ? rsp_len : len; - - memcpy(rsp, rts51x_get_rsp_data(chip), min_len); - - RTS51X_DEBUGP("min_len = %d\n", min_len); - RTS51X_DEBUGP("Response in cmd buf: 0x%x 0x%x 0x%x 0x%x\n", - rsp[0], rsp[1], rsp[2], rsp[3]); - } - - return STATUS_SUCCESS; -} - -int ext_rts51x_sd_execute_no_data(struct rts51x_chip *chip, unsigned int lun, - u8 cmd_idx, u8 standby, u8 acmd, u8 rsp_code, - u32 arg) -{ - struct sd_info *sd_card = &(chip->sd_card); - int retval, rsp_len; - u8 rsp_type; - - retval = rts51x_sd_switch_clock(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, TRANSPORT_FAILED); - - if (sd_card->pre_cmd_err) { - sd_card->pre_cmd_err = 0; - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); - TRACE_RET(chip, TRANSPORT_FAILED); - } - retval = get_rsp_type(rsp_code, &rsp_type, &rsp_len); - if (retval != STATUS_SUCCESS) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } - sd_card->last_rsp_type = rsp_type; - - retval = rts51x_sd_switch_clock(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, TRANSPORT_FAILED); - /* Set H/W SD/MMC Bus Width */ - rts51x_write_register(chip, SD_CFG1, 0x03, SD_BUS_WIDTH_4); - - if (standby) { - retval = rts51x_sd_select_card(chip, 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Cmd_Failed); - } - - if (acmd) { - retval = - ext_sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, - SD_RSP_TYPE_R1, NULL, 0, 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Cmd_Failed); - } - - retval = ext_sd_send_cmd_get_rsp(chip, cmd_idx, arg, rsp_type, - sd_card->rsp, rsp_len, 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Cmd_Failed); - - if (standby) { - retval = rts51x_sd_select_card(chip, 1); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Cmd_Failed); - } - - return TRANSPORT_GOOD; - -SD_Execute_Cmd_Failed: - sd_card->pre_cmd_err = 1; - rts51x_set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); - rts51x_release_sd_card(chip); - rts51x_do_rts51x_reset_sd_card(chip); - if (!(chip->card_ready & SD_CARD)) - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); - - TRACE_RET(chip, TRANSPORT_FAILED); -} - -int ext_rts51x_sd_execute_read_data(struct rts51x_chip *chip, unsigned int lun, - u8 cmd_idx, u8 cmd12, u8 standby, - u8 acmd, u8 rsp_code, u32 arg, u32 data_len, - void *data_buf, unsigned int buf_len, int use_sg) -{ - struct sd_info *sd_card = &(chip->sd_card); - int retval, rsp_len, i; - int cmd13_checkbit = 0, read_err = 0; - u8 rsp_type, bus_width; - - if (sd_card->pre_cmd_err) { - sd_card->pre_cmd_err = 0; - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - retval = rts51x_sd_switch_clock(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - retval = get_rsp_type(rsp_code, &rsp_type, &rsp_len); - if (retval != STATUS_SUCCESS) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } - sd_card->last_rsp_type = rsp_type; - - retval = rts51x_sd_switch_clock(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, TRANSPORT_FAILED); - bus_width = SD_BUS_WIDTH_4; - - if (data_len < 512) { - retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, data_len, - SD_RSP_TYPE_R1, NULL, 0, 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - } - - if (standby) { - retval = rts51x_sd_select_card(chip, 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - } - - if (acmd) { - retval = - ext_sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, - SD_RSP_TYPE_R1, NULL, 0, 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - } - - if (data_len <= 512) { - int min_len; - u8 *buf; - u16 byte_cnt, blk_cnt; - u8 cmd[5]; - unsigned int offset = 0; - void *sg = NULL; - - byte_cnt = (u16) (data_len & 0x3FF); - blk_cnt = 1; - - cmd[0] = 0x40 | cmd_idx; - cmd[1] = (u8) (arg >> 24); - cmd[2] = (u8) (arg >> 16); - cmd[3] = (u8) (arg >> 8); - cmd[4] = (u8) arg; - - buf = kmalloc(data_len, GFP_KERNEL); - if (buf == NULL) - TRACE_RET(chip, TRANSPORT_ERROR); - - retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, byte_cnt, - blk_cnt, bus_width, buf, data_len, 2000); - if (retval != STATUS_SUCCESS) { - read_err = 1; - kfree(buf); - rts51x_write_register(chip, CARD_STOP, - SD_STOP | SD_CLR_ERR, - SD_STOP | SD_CLR_ERR); - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - } - - min_len = min(data_len, buf_len); - if (use_sg) - rts51x_access_sglist(buf, min_len, (void *)data_buf, - &sg, &offset, TO_XFER_BUF); - else - memcpy(data_buf, buf, min_len); - - kfree(buf); - } else if (!(data_len & 0x1FF)) { - rts51x_init_cmd(chip); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 0x02); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x00); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, - 0xFF, (u8) (data_len >> 17)); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, - 0xFF, (u8) ((data_len & 0x0001FE00) >> 9)); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF, - 0x40 | cmd_idx); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD1, 0xFF, - (u8) (arg >> 24)); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD2, 0xFF, - (u8) (arg >> 16)); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD3, 0xFF, - (u8) (arg >> 8)); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD4, 0xFF, (u8) arg); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03, bus_width); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, rsp_type); - rts51x_trans_dma_enable(DMA_FROM_DEVICE, chip, data_len, DMA_512); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, - SD_TM_AUTO_READ_2 | SD_TRANSFER_START); - rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, - SD_TRANSFER_END, SD_TRANSFER_END); - retval = rts51x_send_cmd(chip, MODE_CDIR, 100); - if (retval != STATUS_SUCCESS) { - read_err = 1; - rts51x_ep0_write_register(chip, CARD_STOP, - SD_STOP | SD_CLR_ERR, - SD_STOP | SD_CLR_ERR); - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - } - - retval = - rts51x_transfer_data_rcc(chip, RCV_BULK_PIPE(chip), - data_buf, buf_len, use_sg, NULL, - 10000, STAGE_DI); - if (retval != STATUS_SUCCESS) { - read_err = 1; - rts51x_ep0_write_register(chip, CARD_STOP, - SD_STOP | SD_CLR_ERR, - SD_STOP | SD_CLR_ERR); - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - } - retval = rts51x_get_rsp(chip, 1, 500); - if (CHECK_SD_TRANS_FAIL(chip, retval)) { - read_err = 1; - rts51x_ep0_write_register(chip, CARD_STOP, - SD_STOP | SD_CLR_ERR, - SD_STOP | SD_CLR_ERR); - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - } - } else { - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - } - - retval = ext_sd_get_rsp(chip, rsp_len, sd_card->rsp, rsp_type); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - - if (standby) { - retval = rts51x_sd_select_card(chip, 1); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - } - - if (cmd12) { - retval = ext_sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, - 0, SD_RSP_TYPE_R1b, NULL, 0, - 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - } - - if (data_len < 512) { - retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, - SD_RSP_TYPE_R1, NULL, 0, 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - - rts51x_write_register(chip, SD_BYTE_CNT_H, 0xFF, 0x02); - rts51x_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00); - } - - if (standby || cmd12) - cmd13_checkbit = 1; - - for (i = 0; i < 3; i++) { - retval = - ext_sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, - SD_RSP_TYPE_R1, NULL, 0, - cmd13_checkbit); - if (retval == STATUS_SUCCESS) - break; - } - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed); - - return TRANSPORT_GOOD; - -SD_Execute_Read_Cmd_Failed: - sd_card->pre_cmd_err = 1; - rts51x_set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); - if (read_err) - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); - rts51x_release_sd_card(chip); - rts51x_do_rts51x_reset_sd_card(chip); - if (!(chip->card_ready & SD_CARD)) - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); - - TRACE_RET(chip, TRANSPORT_FAILED); -} - -int ext_rts51x_sd_execute_write_data(struct rts51x_chip *chip, unsigned int lun, - u8 cmd_idx, u8 cmd12, u8 standby, u8 acmd, - u8 rsp_code, u32 arg, u32 data_len, - void *data_buf, unsigned int buf_len, int use_sg) -{ - struct sd_info *sd_card = &(chip->sd_card); - int retval, rsp_len; - int cmd13_checkbit = 0, write_err = 0; - u8 rsp_type; - u32 i; - - if (sd_card->pre_cmd_err) { - sd_card->pre_cmd_err = 0; - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - retval = rts51x_sd_switch_clock(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - retval = get_rsp_type(rsp_code, &rsp_type, &rsp_len); - if (retval != STATUS_SUCCESS) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } - sd_card->last_rsp_type = rsp_type; - - retval = rts51x_sd_switch_clock(chip); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, TRANSPORT_FAILED); - rts51x_write_register(chip, SD_CFG1, 0x03, SD_BUS_WIDTH_4); - - if (data_len < 512) { - retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, data_len, - SD_RSP_TYPE_R1, NULL, 0, 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - } - - if (standby) { - retval = rts51x_sd_select_card(chip, 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - } - - if (acmd) { - retval = - ext_sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, - SD_RSP_TYPE_R1, NULL, 0, 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - } - - retval = ext_sd_send_cmd_get_rsp(chip, cmd_idx, arg, rsp_type, - sd_card->rsp, rsp_len, 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - - if (data_len <= 512) { - u8 *buf; - unsigned int offset = 0; - void *sg = NULL; - - buf = kmalloc(data_len, GFP_KERNEL); - if (buf == NULL) - TRACE_RET(chip, TRANSPORT_ERROR); - - if (use_sg) - rts51x_access_sglist(buf, data_len, (void *)data_buf, - &sg, &offset, FROM_XFER_BUF); - else - memcpy(buf, data_buf, data_len); - - - if (data_len > 256) { - rts51x_init_cmd(chip); - for (i = 0; i < 256; i++) { - rts51x_add_cmd(chip, WRITE_REG_CMD, - (u16) (PPBUF_BASE2 + i), 0xFF, - buf[i]); - } - retval = rts51x_send_cmd(chip, MODE_C, 250); - if (retval != STATUS_SUCCESS) { - kfree(buf); - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - } - - rts51x_init_cmd(chip); - for (i = 256; i < data_len; i++) { - rts51x_add_cmd(chip, WRITE_REG_CMD, - (u16) (PPBUF_BASE2 + i), 0xFF, - buf[i]); - } - retval = rts51x_send_cmd(chip, MODE_C, 250); - if (retval != STATUS_SUCCESS) { - kfree(buf); - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - } - } else { - rts51x_init_cmd(chip); - for (i = 0; i < data_len; i++) { - rts51x_add_cmd(chip, WRITE_REG_CMD, - (u16) (PPBUF_BASE2 + i), 0xFF, - buf[i]); - } - retval = rts51x_send_cmd(chip, MODE_C, 250); - if (retval != STATUS_SUCCESS) { - kfree(buf); - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - } - } - - kfree(buf); - - rts51x_init_cmd(chip); - - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, - (u8) ((data_len >> 8) & 0x03)); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, - (u8) data_len); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0x00); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 0x01); - rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, - PINGPONG_BUFFER); - - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, - SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START); - rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, - SD_TRANSFER_END, SD_TRANSFER_END); - - retval = rts51x_send_cmd(chip, MODE_CR, 100); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - - retval = rts51x_get_rsp(chip, 1, 250); - if (CHECK_SD_TRANS_FAIL(chip, retval)) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - } else if (!(data_len & 0x1FF)) { - rts51x_init_cmd(chip); - - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 0x02); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x00); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, - 0xFF, (u8) (data_len >> 17)); - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, - 0xFF, (u8) ((data_len & 0x0001FE00) >> 9)); - - rts51x_trans_dma_enable(DMA_TO_DEVICE, chip, data_len, DMA_512); - - rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF, - SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START); - rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, - SD_TRANSFER_END, SD_TRANSFER_END); - - retval = rts51x_send_cmd(chip, MODE_CDOR, 100); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - - retval = - rts51x_transfer_data_rcc(chip, SND_BULK_PIPE(chip), - data_buf, buf_len, use_sg, NULL, - 10000, STAGE_DO); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - - retval = rts51x_get_rsp(chip, 1, 10000); - if (CHECK_SD_TRANS_FAIL(chip, retval)) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - - } else { - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - } - - if (retval < 0) { - write_err = 1; - rts51x_write_register(chip, CARD_STOP, SD_STOP | SD_CLR_ERR, - SD_STOP | SD_CLR_ERR); - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - } - - if (standby) { - retval = rts51x_sd_select_card(chip, 1); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - } - - if (cmd12) { - retval = ext_sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, - 0, SD_RSP_TYPE_R1b, NULL, 0, - 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - } - - if (data_len < 512) { - retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, - SD_RSP_TYPE_R1, NULL, 0, 0); - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - - rts51x_write_register(chip, SD_BYTE_CNT_H, 0xFF, 0x02); - rts51x_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00); - } - - if (cmd12 || standby) { - /* There is CMD7 or CMD12 sent before CMD13 */ - cmd13_checkbit = 1; - } - - for (i = 0; i < 3; i++) { - retval = - ext_sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, - SD_RSP_TYPE_R1, NULL, 0, - cmd13_checkbit); - if (retval == STATUS_SUCCESS) - break; - } - if (retval != STATUS_SUCCESS) - TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed); - - return TRANSPORT_GOOD; - -SD_Execute_Write_Cmd_Failed: - sd_card->pre_cmd_err = 1; - rts51x_set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); - if (write_err) - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); - rts51x_release_sd_card(chip); - rts51x_do_rts51x_reset_sd_card(chip); - if (!(chip->card_ready & SD_CARD)) - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); - - TRACE_RET(chip, TRANSPORT_FAILED); -} - -int rts51x_sd_pass_thru_mode(struct scsi_cmnd *srb, struct rts51x_chip *chip) -{ - struct sd_info *sd_card = &(chip->sd_card); - unsigned int lun = SCSI_LUN(srb); - int len; - u8 buf[18] = { - 0x00, - 0x00, - 0x00, - 0x0E, - 0x00, /* Version Number */ - 0x00, /* WP | Media Type */ - 0x00, /* RCA (Low byte) */ - 0x00, /* RCA (High byte) */ - 0x53, /* 'S' */ - 0x44, /* 'D' */ - 0x20, /* ' ' */ - 0x43, /* 'C' */ - 0x61, /* 'a' */ - 0x72, /* 'r' */ - 0x64, /* 'd' */ - 0x00, /* Max LUN Number */ - 0x00, - 0x00, - }; - - sd_card->pre_cmd_err = 0; - - if (!(CHK_BIT(chip->lun_mc, lun))) { - SET_BIT(chip->lun_mc, lun); - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - if ((0x53 != srb->cmnd[2]) || (0x44 != srb->cmnd[3]) - || (0x20 != srb->cmnd[4]) || (0x43 != srb->cmnd[5]) - || (0x61 != srb->cmnd[6]) || (0x72 != srb->cmnd[7]) - || (0x64 != srb->cmnd[8])) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - switch (srb->cmnd[1] & 0x0F) { - case 0: - sd_card->sd_pass_thru_en = 0; - break; - - case 1: - sd_card->sd_pass_thru_en = 1; - break; - - default: - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - /* 0x01:SD Memory Card; 0x02:Other Media; 0x03:Illegal Media; */ - buf[5] = (1 == CHK_SD(sd_card)) ? 0x01 : 0x02; - if (chip->card_wp & SD_CARD) - buf[5] |= 0x80; - - buf[6] = (u8) (sd_card->sd_addr >> 16); - buf[7] = (u8) (sd_card->sd_addr >> 24); - - buf[15] = chip->max_lun; - - len = min_t(unsigned, 18, scsi_bufflen(srb)); - rts51x_set_xfer_buf(buf, len, srb); - - return TRANSPORT_GOOD; -} - -int rts51x_sd_execute_no_data(struct scsi_cmnd *srb, struct rts51x_chip *chip) -{ - struct sd_info *sd_card = &(chip->sd_card); - unsigned int lun = SCSI_LUN(srb); - int retval; - u8 cmd_idx, rsp_code; - u8 standby = 0, acmd = 0; - u32 arg; - - if (!sd_card->sd_pass_thru_en) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - cmd_idx = srb->cmnd[2] & 0x3F; - if (srb->cmnd[1] & 0x02) - standby = 1; - if (srb->cmnd[1] & 0x01) - acmd = 1; - - arg = ((u32) srb->cmnd[3] << 24) | ((u32) srb->cmnd[4] << 16) | - ((u32) srb->cmnd[5] << 8) | srb->cmnd[6]; - - rsp_code = srb->cmnd[10]; - - retval = - ext_rts51x_sd_execute_no_data(chip, lun, cmd_idx, standby, acmd, rsp_code, - arg); - scsi_set_resid(srb, 0); - return retval; -} - -int rts51x_sd_execute_read_data(struct scsi_cmnd *srb, struct rts51x_chip *chip) -{ - struct sd_info *sd_card = &(chip->sd_card); - int retval; - unsigned int lun = SCSI_LUN(srb); - u8 cmd_idx, rsp_code, send_cmd12 = 0, standby = 0, acmd = 0; - u32 arg, data_len; - - if (!sd_card->sd_pass_thru_en) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - cmd_idx = srb->cmnd[2] & 0x3F; - if (srb->cmnd[1] & 0x04) - send_cmd12 = 1; - if (srb->cmnd[1] & 0x02) - standby = 1; - if (srb->cmnd[1] & 0x01) - acmd = 1; - - arg = ((u32) srb->cmnd[3] << 24) | ((u32) srb->cmnd[4] << 16) | - ((u32) srb->cmnd[5] << 8) | srb->cmnd[6]; - - data_len = - ((u32) srb->cmnd[7] << 16) | ((u32) srb->cmnd[8] << 8) | - srb->cmnd[9]; - rsp_code = srb->cmnd[10]; - - retval = - ext_rts51x_sd_execute_read_data(chip, lun, cmd_idx, send_cmd12, standby, - acmd, rsp_code, arg, data_len, - scsi_sglist(srb), scsi_bufflen(srb), - scsi_sg_count(srb)); - scsi_set_resid(srb, 0); - return retval; -} - -int rts51x_sd_execute_write_data(struct scsi_cmnd *srb, struct rts51x_chip *chip) -{ - struct sd_info *sd_card = &(chip->sd_card); - int retval; - unsigned int lun = SCSI_LUN(srb); - u8 cmd_idx, rsp_code, send_cmd12 = 0, standby = 0, acmd = 0; - u32 data_len, arg; - - if (!sd_card->sd_pass_thru_en) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - cmd_idx = srb->cmnd[2] & 0x3F; - if (srb->cmnd[1] & 0x04) - send_cmd12 = 1; - if (srb->cmnd[1] & 0x02) - standby = 1; - if (srb->cmnd[1] & 0x01) - acmd = 1; - - data_len = - ((u32) srb->cmnd[7] << 16) | ((u32) srb->cmnd[8] << 8) | - srb->cmnd[9]; - arg = - ((u32) srb->cmnd[3] << 24) | ((u32) srb->cmnd[4] << 16) | - ((u32) srb->cmnd[5] << 8) | srb->cmnd[6]; - rsp_code = srb->cmnd[10]; - - retval = - ext_rts51x_sd_execute_write_data(chip, lun, cmd_idx, send_cmd12, standby, - acmd, rsp_code, arg, data_len, - scsi_sglist(srb), scsi_bufflen(srb), - scsi_sg_count(srb)); - scsi_set_resid(srb, 0); - return retval; -} - -int rts51x_sd_get_cmd_rsp(struct scsi_cmnd *srb, struct rts51x_chip *chip) -{ - struct sd_info *sd_card = &(chip->sd_card); - unsigned int lun = SCSI_LUN(srb); - int count; - u16 data_len; - - if (!sd_card->sd_pass_thru_en) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - if (sd_card->pre_cmd_err) { - sd_card->pre_cmd_err = 0; - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - data_len = ((u16) srb->cmnd[7] << 8) | srb->cmnd[8]; - - if (sd_card->last_rsp_type == SD_RSP_TYPE_R0) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } else if (sd_card->last_rsp_type == SD_RSP_TYPE_R2) { - count = (data_len < 17) ? data_len : 17; - } else { - count = (data_len < 6) ? data_len : 6; - } - rts51x_set_xfer_buf(sd_card->rsp, count, srb); - - RTS51X_DEBUGP("Response length: %d\n", data_len); - RTS51X_DEBUGP("Response: 0x%x 0x%x 0x%x 0x%x\n", - sd_card->rsp[0], sd_card->rsp[1], sd_card->rsp[2], - sd_card->rsp[3]); - - scsi_set_resid(srb, 0); - return TRANSPORT_GOOD; -} - -int rts51x_sd_hw_rst(struct scsi_cmnd *srb, struct rts51x_chip *chip) -{ - struct sd_info *sd_card = &(chip->sd_card); - unsigned int lun = SCSI_LUN(srb); - int retval; - - if (!sd_card->sd_pass_thru_en) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - if (sd_card->pre_cmd_err) { - sd_card->pre_cmd_err = 0; - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - if ((0x53 != srb->cmnd[2]) || (0x44 != srb->cmnd[3]) - || (0x20 != srb->cmnd[4]) || (0x43 != srb->cmnd[5]) - || (0x61 != srb->cmnd[6]) || (0x72 != srb->cmnd[7]) - || (0x64 != srb->cmnd[8])) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - switch (srb->cmnd[1] & 0x0F) { - case 0: - /* SD Card Power Off -> ON and Initialization */ - retval = rts51x_reset_sd_card(chip); - if (retval != STATUS_SUCCESS) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); - sd_card->pre_cmd_err = 1; - TRACE_RET(chip, TRANSPORT_FAILED); - } - break; - - case 1: - /* reset CMD(CMD0) and Initialization - * (without SD Card Power Off -> ON) */ - retval = reset_sd(chip); - if (retval != STATUS_SUCCESS) { - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); - sd_card->pre_cmd_err = 1; - TRACE_RET(chip, TRANSPORT_FAILED); - } - break; - - default: - rts51x_set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); - TRACE_RET(chip, TRANSPORT_FAILED); - } - - scsi_set_resid(srb, 0); - return TRANSPORT_GOOD; -} -#endif |