diff options
Diffstat (limited to 'drivers/staging/rts_pstor/rtsx_card.c')
| -rw-r--r-- | drivers/staging/rts_pstor/rtsx_card.c | 1233 |
1 files changed, 0 insertions, 1233 deletions
diff --git a/drivers/staging/rts_pstor/rtsx_card.c b/drivers/staging/rts_pstor/rtsx_card.c deleted file mode 100644 index 539aa6a27788..000000000000 --- a/drivers/staging/rts_pstor/rtsx_card.c +++ /dev/null @@ -1,1233 +0,0 @@ -/* Driver for Realtek PCI-Express 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 - */ - -#include <linux/blkdev.h> -#include <linux/kthread.h> -#include <linux/sched.h> -#include <linux/workqueue.h> -#include <linux/kernel.h> - -#include "rtsx.h" -#include "rtsx_transport.h" -#include "rtsx_scsi.h" -#include "rtsx_card.h" - -#include "rtsx_sys.h" -#include "general.h" - -#include "sd.h" -#include "xd.h" -#include "ms.h" - -void do_remaining_work(struct rtsx_chip *chip) -{ - struct sd_info *sd_card = &(chip->sd_card); -#ifdef XD_DELAY_WRITE - struct xd_info *xd_card = &(chip->xd_card); -#endif - struct ms_info *ms_card = &(chip->ms_card); - - if (chip->card_ready & SD_CARD) { - if (sd_card->seq_mode) { - rtsx_set_stat(chip, RTSX_STAT_RUN); - sd_card->cleanup_counter++; - } else { - sd_card->cleanup_counter = 0; - } - } - -#ifdef XD_DELAY_WRITE - if (chip->card_ready & XD_CARD) { - if (xd_card->delay_write.delay_write_flag) { - rtsx_set_stat(chip, RTSX_STAT_RUN); - xd_card->cleanup_counter++; - } else { - xd_card->cleanup_counter = 0; - } - } -#endif - - if (chip->card_ready & MS_CARD) { - if (CHK_MSPRO(ms_card)) { - if (ms_card->seq_mode) { - rtsx_set_stat(chip, RTSX_STAT_RUN); - ms_card->cleanup_counter++; - } else { - ms_card->cleanup_counter = 0; - } - } else { -#ifdef MS_DELAY_WRITE - if (ms_card->delay_write.delay_write_flag) { - rtsx_set_stat(chip, RTSX_STAT_RUN); - ms_card->cleanup_counter++; - } else { - ms_card->cleanup_counter = 0; - } -#endif - } - } - - if (sd_card->cleanup_counter > POLLING_WAIT_CNT) - sd_cleanup_work(chip); - - if (xd_card->cleanup_counter > POLLING_WAIT_CNT) - xd_cleanup_work(chip); - - if (ms_card->cleanup_counter > POLLING_WAIT_CNT) - ms_cleanup_work(chip); -} - -void try_to_switch_sdio_ctrl(struct rtsx_chip *chip) -{ - u8 reg1 = 0, reg2 = 0; - - rtsx_read_register(chip, 0xFF34, ®1); - rtsx_read_register(chip, 0xFF38, ®2); - RTSX_DEBUGP("reg 0xFF34: 0x%x, reg 0xFF38: 0x%x\n", reg1, reg2); - if ((reg1 & 0xC0) && (reg2 & 0xC0)) { - chip->sd_int = 1; - rtsx_write_register(chip, SDIO_CTRL, 0xFF, SDIO_BUS_CTRL | SDIO_CD_CTRL); - rtsx_write_register(chip, PWR_GATE_CTRL, LDO3318_PWR_MASK, LDO_ON); - } -} - -#ifdef SUPPORT_SDIO_ASPM -void dynamic_configure_sdio_aspm(struct rtsx_chip *chip) -{ - u8 buf[12], reg; - int i; - - for (i = 0; i < 12; i++) - rtsx_read_register(chip, 0xFF08 + i, &buf[i]); - rtsx_read_register(chip, 0xFF25, ®); - if ((memcmp(buf, chip->sdio_raw_data, 12) != 0) || (reg & 0x03)) { - chip->sdio_counter = 0; - chip->sdio_idle = 0; - } else { - if (!chip->sdio_idle) { - chip->sdio_counter++; - if (chip->sdio_counter >= SDIO_IDLE_COUNT) { - chip->sdio_counter = 0; - chip->sdio_idle = 1; - } - } - } - memcpy(chip->sdio_raw_data, buf, 12); - - if (chip->sdio_idle) { - if (!chip->sdio_aspm) { - RTSX_DEBUGP("SDIO enter ASPM!\n"); - rtsx_write_register(chip, ASPM_FORCE_CTL, 0xFC, - 0x30 | (chip->aspm_level[1] << 2)); - chip->sdio_aspm = 1; - } - } else { - if (chip->sdio_aspm) { - RTSX_DEBUGP("SDIO exit ASPM!\n"); - rtsx_write_register(chip, ASPM_FORCE_CTL, 0xFC, 0x30); - chip->sdio_aspm = 0; - } - } -} -#endif - -void do_reset_sd_card(struct rtsx_chip *chip) -{ - int retval; - - RTSX_DEBUGP("%s: %d, card2lun = 0x%x\n", __func__, - chip->sd_reset_counter, chip->card2lun[SD_CARD]); - - if (chip->card2lun[SD_CARD] >= MAX_ALLOWED_LUN_CNT) { - clear_bit(SD_NR, &(chip->need_reset)); - chip->sd_reset_counter = 0; - chip->sd_show_cnt = 0; - return; - } - - chip->rw_fail_cnt[chip->card2lun[SD_CARD]] = 0; - - rtsx_set_stat(chip, RTSX_STAT_RUN); - rtsx_write_register(chip, SDIO_CTRL, 0xFF, 0); - - retval = reset_sd_card(chip); - if (chip->need_release & SD_CARD) - return; - if (retval == STATUS_SUCCESS) { - clear_bit(SD_NR, &(chip->need_reset)); - chip->sd_reset_counter = 0; - chip->sd_show_cnt = 0; - chip->card_ready |= SD_CARD; - chip->card_fail &= ~SD_CARD; - chip->rw_card[chip->card2lun[SD_CARD]] = sd_rw; - } else { - if (chip->sd_io || (chip->sd_reset_counter >= MAX_RESET_CNT)) { - clear_bit(SD_NR, &(chip->need_reset)); - chip->sd_reset_counter = 0; - chip->sd_show_cnt = 0; - } else { - chip->sd_reset_counter++; - } - chip->card_ready &= ~SD_CARD; - chip->card_fail |= SD_CARD; - chip->capacity[chip->card2lun[SD_CARD]] = 0; - chip->rw_card[chip->card2lun[SD_CARD]] = NULL; - - rtsx_write_register(chip, CARD_OE, SD_OUTPUT_EN, 0); - if (!chip->ft2_fast_mode) - card_power_off(chip, SD_CARD); - if (chip->sd_io) { - chip->sd_int = 0; - try_to_switch_sdio_ctrl(chip); - } else { - disable_card_clock(chip, SD_CARD); - } - } -} - -void do_reset_xd_card(struct rtsx_chip *chip) -{ - int retval; - - RTSX_DEBUGP("%s: %d, card2lun = 0x%x\n", __func__, - chip->xd_reset_counter, chip->card2lun[XD_CARD]); - - if (chip->card2lun[XD_CARD] >= MAX_ALLOWED_LUN_CNT) { - clear_bit(XD_NR, &(chip->need_reset)); - chip->xd_reset_counter = 0; - chip->xd_show_cnt = 0; - return; - } - - chip->rw_fail_cnt[chip->card2lun[XD_CARD]] = 0; - - rtsx_set_stat(chip, RTSX_STAT_RUN); - rtsx_write_register(chip, SDIO_CTRL, 0xFF, 0); - - retval = reset_xd_card(chip); - if (chip->need_release & XD_CARD) - return; - if (retval == STATUS_SUCCESS) { - clear_bit(XD_NR, &(chip->need_reset)); - chip->xd_reset_counter = 0; - chip->card_ready |= XD_CARD; - chip->card_fail &= ~XD_CARD; - chip->rw_card[chip->card2lun[XD_CARD]] = xd_rw; - } else { - if (chip->xd_reset_counter >= MAX_RESET_CNT) { - clear_bit(XD_NR, &(chip->need_reset)); - chip->xd_reset_counter = 0; - chip->xd_show_cnt = 0; - } else { - chip->xd_reset_counter++; - } - chip->card_ready &= ~XD_CARD; - chip->card_fail |= XD_CARD; - chip->capacity[chip->card2lun[XD_CARD]] = 0; - chip->rw_card[chip->card2lun[XD_CARD]] = NULL; - - rtsx_write_register(chip, CARD_OE, XD_OUTPUT_EN, 0); - if (!chip->ft2_fast_mode) - card_power_off(chip, XD_CARD); - disable_card_clock(chip, XD_CARD); - } -} - -void do_reset_ms_card(struct rtsx_chip *chip) -{ - int retval; - - RTSX_DEBUGP("%s: %d, card2lun = 0x%x\n", __func__, - chip->ms_reset_counter, chip->card2lun[MS_CARD]); - - if (chip->card2lun[MS_CARD] >= MAX_ALLOWED_LUN_CNT) { - clear_bit(MS_NR, &(chip->need_reset)); - chip->ms_reset_counter = 0; - chip->ms_show_cnt = 0; - return; - } - - chip->rw_fail_cnt[chip->card2lun[MS_CARD]] = 0; - - rtsx_set_stat(chip, RTSX_STAT_RUN); - rtsx_write_register(chip, SDIO_CTRL, 0xFF, 0); - - retval = reset_ms_card(chip); - if (chip->need_release & MS_CARD) - return; - if (retval == STATUS_SUCCESS) { - clear_bit(MS_NR, &(chip->need_reset)); - chip->ms_reset_counter = 0; - chip->card_ready |= MS_CARD; - chip->card_fail &= ~MS_CARD; - chip->rw_card[chip->card2lun[MS_CARD]] = ms_rw; - } else { - if (chip->ms_reset_counter >= MAX_RESET_CNT) { - clear_bit(MS_NR, &(chip->need_reset)); - chip->ms_reset_counter = 0; - chip->ms_show_cnt = 0; - } else { - chip->ms_reset_counter++; - } - chip->card_ready &= ~MS_CARD; - chip->card_fail |= MS_CARD; - chip->capacity[chip->card2lun[MS_CARD]] = 0; - chip->rw_card[chip->card2lun[MS_CARD]] = NULL; - - rtsx_write_register(chip, CARD_OE, MS_OUTPUT_EN, 0); - if (!chip->ft2_fast_mode) - card_power_off(chip, MS_CARD); - disable_card_clock(chip, MS_CARD); - } -} - -static void release_sdio(struct rtsx_chip *chip) -{ - if (chip->sd_io) { - rtsx_write_register(chip, CARD_STOP, SD_STOP | SD_CLR_ERR, - SD_STOP | SD_CLR_ERR); - - if (chip->chip_insert_with_sdio) { - chip->chip_insert_with_sdio = 0; - - if (CHECK_PID(chip, 0x5288)) - rtsx_write_register(chip, 0xFE5A, 0x08, 0x00); - else - rtsx_write_register(chip, 0xFE70, 0x80, 0x00); - } - - rtsx_write_register(chip, SDIO_CTRL, SDIO_CD_CTRL, 0); - chip->sd_io = 0; - } -} - -void rtsx_power_off_card(struct rtsx_chip *chip) -{ - if ((chip->card_ready & SD_CARD) || chip->sd_io) { - sd_cleanup_work(chip); - sd_power_off_card3v3(chip); - } - - if (chip->card_ready & XD_CARD) { - xd_cleanup_work(chip); - xd_power_off_card3v3(chip); - } - - if (chip->card_ready & MS_CARD) { - ms_cleanup_work(chip); - ms_power_off_card3v3(chip); - } -} - -void rtsx_release_cards(struct rtsx_chip *chip) -{ - chip->int_reg = rtsx_readl(chip, RTSX_BIPR); - - if ((chip->card_ready & SD_CARD) || chip->sd_io) { - if (chip->int_reg & SD_EXIST) - sd_cleanup_work(chip); - release_sd_card(chip); - } - - if (chip->card_ready & XD_CARD) { - if (chip->int_reg & XD_EXIST) - xd_cleanup_work(chip); - release_xd_card(chip); - } - - if (chip->card_ready & MS_CARD) { - if (chip->int_reg & MS_EXIST) - ms_cleanup_work(chip); - release_ms_card(chip); - } -} - -void rtsx_reset_cards(struct rtsx_chip *chip) -{ - if (!chip->need_reset) - return; - - rtsx_set_stat(chip, RTSX_STAT_RUN); - - rtsx_force_power_on(chip, SSC_PDCTL | OC_PDCTL); - - rtsx_disable_aspm(chip); - - if ((chip->need_reset & SD_CARD) && chip->chip_insert_with_sdio) - clear_bit(SD_NR, &(chip->need_reset)); - - if (chip->need_reset & XD_CARD) { - chip->card_exist |= XD_CARD; - - if (chip->xd_show_cnt >= MAX_SHOW_CNT) - do_reset_xd_card(chip); - else - chip->xd_show_cnt++; - } - if (CHECK_PID(chip, 0x5288) && CHECK_BARO_PKG(chip, QFN)) { - if (chip->card_exist & XD_CARD) { - clear_bit(SD_NR, &(chip->need_reset)); - clear_bit(MS_NR, &(chip->need_reset)); - } - } - if (chip->need_reset & SD_CARD) { - chip->card_exist |= SD_CARD; - - if (chip->sd_show_cnt >= MAX_SHOW_CNT) { - rtsx_write_register(chip, RBCTL, RB_FLUSH, RB_FLUSH); - do_reset_sd_card(chip); - } else { - chip->sd_show_cnt++; - } - } - if (chip->need_reset & MS_CARD) { - chip->card_exist |= MS_CARD; - - if (chip->ms_show_cnt >= MAX_SHOW_CNT) - do_reset_ms_card(chip); - else - chip->ms_show_cnt++; - } -} - -void rtsx_reinit_cards(struct rtsx_chip *chip, int reset_chip) -{ - rtsx_set_stat(chip, RTSX_STAT_RUN); - - rtsx_force_power_on(chip, SSC_PDCTL | OC_PDCTL); - - if (reset_chip) - rtsx_reset_chip(chip); - - chip->int_reg = rtsx_readl(chip, RTSX_BIPR); - - if ((chip->int_reg & SD_EXIST) && (chip->need_reinit & SD_CARD)) { - release_sdio(chip); - release_sd_card(chip); - - wait_timeout(100); - - chip->card_exist |= SD_CARD; - do_reset_sd_card(chip); - } - - if ((chip->int_reg & XD_EXIST) && (chip->need_reinit & XD_CARD)) { - release_xd_card(chip); - - wait_timeout(100); - - chip->card_exist |= XD_CARD; - do_reset_xd_card(chip); - } - - if ((chip->int_reg & MS_EXIST) && (chip->need_reinit & MS_CARD)) { - release_ms_card(chip); - - wait_timeout(100); - - chip->card_exist |= MS_CARD; - do_reset_ms_card(chip); - } - - chip->need_reinit = 0; -} - -#ifdef DISABLE_CARD_INT -void card_cd_debounce(struct rtsx_chip *chip, unsigned long *need_reset, unsigned long *need_release) -{ - u8 release_map = 0, reset_map = 0; - - chip->int_reg = rtsx_readl(chip, RTSX_BIPR); - - if (chip->card_exist) { - if (chip->card_exist & XD_CARD) { - if (!(chip->int_reg & XD_EXIST)) - release_map |= XD_CARD; - } else if (chip->card_exist & SD_CARD) { - if (!(chip->int_reg & SD_EXIST)) - release_map |= SD_CARD; - } else if (chip->card_exist & MS_CARD) { - if (!(chip->int_reg & MS_EXIST)) - release_map |= MS_CARD; - } - } else { - if (chip->int_reg & XD_EXIST) - reset_map |= XD_CARD; - else if (chip->int_reg & SD_EXIST) - reset_map |= SD_CARD; - else if (chip->int_reg & MS_EXIST) - reset_map |= MS_CARD; - } - - if (reset_map) { - int xd_cnt = 0, sd_cnt = 0, ms_cnt = 0; - int i; - - for (i = 0; i < (DEBOUNCE_CNT); i++) { - chip->int_reg = rtsx_readl(chip, RTSX_BIPR); - - if (chip->int_reg & XD_EXIST) - xd_cnt++; - else - xd_cnt = 0; - - if (chip->int_reg & SD_EXIST) - sd_cnt++; - else - sd_cnt = 0; - - if (chip->int_reg & MS_EXIST) - ms_cnt++; - else - ms_cnt = 0; - - wait_timeout(30); - } - - reset_map = 0; - if (!(chip->card_exist & XD_CARD) && (xd_cnt > (DEBOUNCE_CNT-1))) - reset_map |= XD_CARD; - if (!(chip->card_exist & SD_CARD) && (sd_cnt > (DEBOUNCE_CNT-1))) - reset_map |= SD_CARD; - if (!(chip->card_exist & MS_CARD) && (ms_cnt > (DEBOUNCE_CNT-1))) - reset_map |= MS_CARD; - } - - if (CHECK_PID(chip, 0x5288) && CHECK_BARO_PKG(chip, QFN)) - rtsx_write_register(chip, HOST_SLEEP_STATE, 0xC0, 0x00); - - if (need_reset) - *need_reset = reset_map; - if (need_release) - *need_release = release_map; -} -#endif - -void rtsx_init_cards(struct rtsx_chip *chip) -{ - if (RTSX_TST_DELINK(chip) && (rtsx_get_stat(chip) != RTSX_STAT_SS)) { - RTSX_DEBUGP("Reset chip in polling thread!\n"); - rtsx_reset_chip(chip); - RTSX_CLR_DELINK(chip); - } - -#ifdef DISABLE_CARD_INT - card_cd_debounce(chip, &(chip->need_reset), &(chip->need_release)); -#endif - - if (chip->need_release) { - if (CHECK_PID(chip, 0x5288) && CHECK_BARO_PKG(chip, QFN)) { - if (chip->int_reg & XD_EXIST) { - clear_bit(SD_NR, &(chip->need_release)); - clear_bit(MS_NR, &(chip->need_release)); - } - } - - if (!(chip->card_exist & SD_CARD) && !chip->sd_io) - clear_bit(SD_NR, &(chip->need_release)); - if (!(chip->card_exist & XD_CARD)) - clear_bit(XD_NR, &(chip->need_release)); - if (!(chip->card_exist & MS_CARD)) - clear_bit(MS_NR, &(chip->need_release)); - - RTSX_DEBUGP("chip->need_release = 0x%x\n", (unsigned int)(chip->need_release)); - -#ifdef SUPPORT_OCP - if (chip->need_release) { - if (CHECK_PID(chip, 0x5209)) { - u8 mask = 0, val = 0; - if (CHECK_LUN_MODE(chip, SD_MS_2LUN)) { - if (chip->ocp_stat & (MS_OC_NOW | MS_OC_EVER)) { - mask |= MS_OCP_INT_CLR | MS_OC_CLR; - val |= MS_OCP_INT_CLR | MS_OC_CLR; - } - } - if (chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) { - mask |= SD_OCP_INT_CLR | SD_OC_CLR; - val |= SD_OCP_INT_CLR | SD_OC_CLR; - } - if (mask) - rtsx_write_register(chip, OCPCTL, mask, val); - } else { - if (chip->ocp_stat & (CARD_OC_NOW | CARD_OC_EVER)) - rtsx_write_register(chip, OCPCLR, - CARD_OC_INT_CLR | CARD_OC_CLR, - CARD_OC_INT_CLR | CARD_OC_CLR); - } - chip->ocp_stat = 0; - } -#endif - if (chip->need_release) { - rtsx_set_stat(chip, RTSX_STAT_RUN); - rtsx_force_power_on(chip, SSC_PDCTL | OC_PDCTL); - } - - if (chip->need_release & SD_CARD) { - clear_bit(SD_NR, &(chip->need_release)); - chip->card_exist &= ~SD_CARD; - chip->card_ejected &= ~SD_CARD; - chip->card_fail &= ~SD_CARD; - CLR_BIT(chip->lun_mc, chip->card2lun[SD_CARD]); - chip->rw_fail_cnt[chip->card2lun[SD_CARD]] = 0; - rtsx_write_register(chip, RBCTL, RB_FLUSH, RB_FLUSH); - - release_sdio(chip); - release_sd_card(chip); - } - - if (chip->need_release & XD_CARD) { - clear_bit(XD_NR, &(chip->need_release)); - chip->card_exist &= ~XD_CARD; - chip->card_ejected &= ~XD_CARD; - chip->card_fail &= ~XD_CARD; - CLR_BIT(chip->lun_mc, chip->card2lun[XD_CARD]); - chip->rw_fail_cnt[chip->card2lun[XD_CARD]] = 0; - - release_xd_card(chip); - - if (CHECK_PID(chip, 0x5288) && CHECK_BARO_PKG(chip, QFN)) - rtsx_write_register(chip, HOST_SLEEP_STATE, 0xC0, 0xC0); - } - - if (chip->need_release & MS_CARD) { - clear_bit(MS_NR, &(chip->need_release)); - chip->card_exist &= ~MS_CARD; - chip->card_ejected &= ~MS_CARD; - chip->card_fail &= ~MS_CARD; - CLR_BIT(chip->lun_mc, chip->card2lun[MS_CARD]); - chip->rw_fail_cnt[chip->card2lun[MS_CARD]] = 0; - - release_ms_card(chip); - } - - RTSX_DEBUGP("chip->card_exist = 0x%x\n", chip->card_exist); - - if (!chip->card_exist) - turn_off_led(chip, LED_GPIO); - } - - if (chip->need_reset) { - RTSX_DEBUGP("chip->need_reset = 0x%x\n", (unsigned int)(chip->need_reset)); - - rtsx_reset_cards(chip); - } - - if (chip->need_reinit) { - RTSX_DEBUGP("chip->need_reinit = 0x%x\n", (unsigned int)(chip->need_reinit)); - - rtsx_reinit_cards(chip, 0); - } -} - -static inline u8 double_depth(u8 depth) -{ - return ((depth > 1) ? (depth - 1) : depth); -} - -int switch_ssc_clock(struct rtsx_chip *chip, int clk) -{ - struct sd_info *sd_card = &(chip->sd_card); - struct ms_info *ms_card = &(chip->ms_card); - int retval; - u8 N = (u8)(clk - 2), min_N, max_N; - u8 mcu_cnt, div, max_div, ssc_depth, ssc_depth_mask; - int sd_vpclk_phase_reset = 0; - - if (chip->cur_clk == clk) - return STATUS_SUCCESS; - - if (CHECK_PID(chip, 0x5209)) { - min_N = 80; - max_N = 208; - max_div = CLK_DIV_8; - } else { - min_N = 60; - max_N = 120; - max_div = CLK_DIV_4; - } - - if (CHECK_PID(chip, 0x5209) && (chip->cur_card == SD_CARD)) { - struct sd_info *sd_card = &(chip->sd_card); - if (CHK_SD30_SPEED(sd_card) || CHK_MMC_DDR52(sd_card)) - sd_vpclk_phase_reset = 1; - } - - RTSX_DEBUGP("Switch SSC clock to %dMHz (cur_clk = %d)\n", clk, chip->cur_clk); - - if ((clk <= 2) || (N > max_N)) - TRACE_RET(chip, STATUS_FAIL); - - mcu_cnt = (u8)(125/clk + 3); - if (CHECK_PID(chip, 0x5209)) { - if (mcu_cnt > 15) - mcu_cnt = 15; - } else { - if (mcu_cnt > 7) - mcu_cnt = 7; - } - - div = CLK_DIV_1; - while ((N < min_N) && (div < max_div)) { - N = (N + 2) * 2 - 2; - div++; - } - RTSX_DEBUGP("N = %d, div = %d\n", N, div); - - if (chip->ssc_en) { - if (CHECK_PID(chip, 0x5209)) { - if (chip->cur_card == SD_CARD) { - if (CHK_SD_SDR104(sd_card)) - ssc_depth = chip->ssc_depth_sd_sdr104; - else if (CHK_SD_SDR50(sd_card)) - ssc_depth = chip->ssc_depth_sd_sdr50; - else if (CHK_SD_DDR50(sd_card)) - ssc_depth = double_depth(chip->ssc_depth_sd_ddr50); - else if (CHK_SD_HS(sd_card)) - ssc_depth = double_depth(chip->ssc_depth_sd_hs); - else if (CHK_MMC_52M(sd_card) || CHK_MMC_DDR52(sd_card)) - ssc_depth = double_depth(chip->ssc_depth_mmc_52m); - else - ssc_depth = double_depth(chip->ssc_depth_low_speed); - } else if (chip->cur_card == MS_CARD) { - if (CHK_MSPRO(ms_card)) { - if (CHK_HG8BIT(ms_card)) - ssc_depth = double_depth(chip->ssc_depth_ms_hg); - else - ssc_depth = double_depth(chip->ssc_depth_ms_4bit); - } else { - if (CHK_MS4BIT(ms_card)) - ssc_depth = double_depth(chip->ssc_depth_ms_4bit); - else - ssc_depth = double_depth(chip->ssc_depth_low_speed); - } - } else { - ssc_depth = double_depth(chip->ssc_depth_low_speed); - } - - if (ssc_depth) { - if (div == CLK_DIV_2) { - if (ssc_depth > 1) - ssc_depth -= 1; - else - ssc_depth = SSC_DEPTH_4M; - - } else if (div == CLK_DIV_4) { - if (ssc_depth > 2) - ssc_depth -= 2; - else - ssc_depth = SSC_DEPTH_4M; - - } else if (div == CLK_DIV_8) { - if (ssc_depth > 3) - ssc_depth -= 3; - else - ssc_depth = SSC_DEPTH_4M; - - } - } - } else { - ssc_depth = 0x01; - N -= 2; - } - } else { - ssc_depth = 0; - } - - if (CHECK_PID(chip, 0x5209)) - ssc_depth_mask = SSC_DEPTH_MASK; - else - ssc_depth_mask = 0x03; - - RTSX_DEBUGP("ssc_depth = %d\n", ssc_depth); - - rtsx_init_cmd(chip); - rtsx_add_cmd(chip, WRITE_REG_CMD, CLK_CTL, CLK_LOW_FREQ, CLK_LOW_FREQ); - rtsx_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, 0xFF, (div << 4) | mcu_cnt); - rtsx_add_cmd(chip, WRITE_REG_CMD, SSC_CTL1, SSC_RSTB, 0); - rtsx_add_cmd(chip, WRITE_REG_CMD, SSC_CTL2, ssc_depth_mask, ssc_depth); - rtsx_add_cmd(chip, WRITE_REG_CMD, SSC_DIV_N_0, 0xFF, N); - rtsx_add_cmd(chip, WRITE_REG_CMD, SSC_CTL1, SSC_RSTB, SSC_RSTB); - if (sd_vpclk_phase_reset) { - rtsx_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK0_CTL, PHASE_NOT_RESET, 0); - rtsx_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK0_CTL, PHASE_NOT_RESET, PHASE_NOT_RESET); - } - - retval = rtsx_send_cmd(chip, 0, WAIT_TIME); - if (retval < 0) - TRACE_RET(chip, STATUS_ERROR); - - udelay(10); - RTSX_WRITE_REG(chip, CLK_CTL, CLK_LOW_FREQ, 0); - - chip->cur_clk = clk; - - return STATUS_SUCCESS; -} - -int switch_normal_clock(struct rtsx_chip *chip, int clk) -{ - u8 sel, div, mcu_cnt; - int sd_vpclk_phase_reset = 0; - - if (chip->cur_clk == clk) - return STATUS_SUCCESS; - - if (CHECK_PID(chip, 0x5209) && (chip->cur_card == SD_CARD)) { - struct sd_info *sd_card = &(chip->sd_card); - if (CHK_SD30_SPEED(sd_card) || CHK_MMC_DDR52(sd_card)) - sd_vpclk_phase_reset = 1; - } - - switch (clk) { - case CLK_20: - RTSX_DEBUGP("Switch clock to 20MHz\n"); - sel = SSC_80; - div = CLK_DIV_4; - mcu_cnt = 7; - break; - - case CLK_30: - RTSX_DEBUGP("Switch clock to 30MHz\n"); - sel = SSC_120; - div = CLK_DIV_4; - mcu_cnt = 7; - break; - - case CLK_40: - RTSX_DEBUGP("Switch clock to 40MHz\n"); - sel = SSC_80; - div = CLK_DIV_2; - mcu_cnt = 7; - break; - - case CLK_50: - RTSX_DEBUGP("Switch clock to 50MHz\n"); - sel = SSC_100; - div = CLK_DIV_2; - mcu_cnt = 6; - break; - - case CLK_60: - RTSX_DEBUGP("Switch clock to 60MHz\n"); - sel = SSC_120; - div = CLK_DIV_2; - mcu_cnt = 6; - break; - - case CLK_80: - RTSX_DEBUGP("Switch clock to 80MHz\n"); - sel = SSC_80; - div = CLK_DIV_1; - mcu_cnt = 5; - break; - - case CLK_100: - RTSX_DEBUGP("Switch clock to 100MHz\n"); - sel = SSC_100; - div = CLK_DIV_1; - mcu_cnt = 5; - break; - - case CLK_120: - RTSX_DEBUGP("Switch clock to 120MHz\n"); - sel = SSC_120; - div = CLK_DIV_1; - mcu_cnt = 5; - break; - - case CLK_150: - RTSX_DEBUGP("Switch clock to 150MHz\n"); - sel = SSC_150; - div = CLK_DIV_1; - mcu_cnt = 4; - break; - - case CLK_200: - RTSX_DEBUGP("Switch clock to 200MHz\n"); - sel = SSC_200; - div = CLK_DIV_1; - mcu_cnt = 4; - break; - - default: - RTSX_DEBUGP("Try to switch to an illegal clock (%d)\n", clk); - TRACE_RET(chip, STATUS_FAIL); - } - - RTSX_WRITE_REG(chip, CLK_CTL, 0xFF, CLK_LOW_FREQ); - if (sd_vpclk_phase_reset) { - RTSX_WRITE_REG(chip, SD_VPCLK0_CTL, PHASE_NOT_RESET, 0); - RTSX_WRITE_REG(chip, SD_VPCLK1_CTL, PHASE_NOT_RESET, 0); - } - RTSX_WRITE_REG(chip, CLK_DIV, 0xFF, (div << 4) | mcu_cnt); - RTSX_WRITE_REG(chip, CLK_SEL, 0xFF, sel); - - if (sd_vpclk_phase_reset) { - udelay(200); - RTSX_WRITE_REG(chip, SD_VPCLK0_CTL, PHASE_NOT_RESET, PHASE_NOT_RESET); - RTSX_WRITE_REG(chip, SD_VPCLK1_CTL, PHASE_NOT_RESET, PHASE_NOT_RESET); - udelay(200); - } - RTSX_WRITE_REG(chip, CLK_CTL, 0xFF, 0); - - chip->cur_clk = clk; - - return STATUS_SUCCESS; -} - -void trans_dma_enable(enum dma_data_direction dir, struct rtsx_chip *chip, u32 byte_cnt, u8 pack_size) -{ - if (pack_size > DMA_1024) - pack_size = DMA_512; - - rtsx_add_cmd(chip, WRITE_REG_CMD, IRQSTAT0, DMA_DONE_INT, DMA_DONE_INT); - - rtsx_add_cmd(chip, WRITE_REG_CMD, DMATC3, 0xFF, (u8)(byte_cnt >> 24)); - rtsx_add_cmd(chip, WRITE_REG_CMD, DMATC2, 0xFF, (u8)(byte_cnt >> 16)); - rtsx_add_cmd(chip, WRITE_REG_CMD, DMATC1, 0xFF, (u8)(byte_cnt >> 8)); - rtsx_add_cmd(chip, WRITE_REG_CMD, DMATC0, 0xFF, (u8)byte_cnt); - - if (dir == DMA_FROM_DEVICE) { - rtsx_add_cmd(chip, WRITE_REG_CMD, DMACTL, 0x03 | DMA_PACK_SIZE_MASK, - DMA_DIR_FROM_CARD | DMA_EN | pack_size); - } else { - rtsx_add_cmd(chip, WRITE_REG_CMD, DMACTL, 0x03 | DMA_PACK_SIZE_MASK, - DMA_DIR_TO_CARD | DMA_EN | pack_size); - } - - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER); -} - -int enable_card_clock(struct rtsx_chip *chip, u8 card) -{ - u8 clk_en = 0; - - if (card & XD_CARD) - clk_en |= XD_CLK_EN; - if (card & SD_CARD) - clk_en |= SD_CLK_EN; - if (card & MS_CARD) - clk_en |= MS_CLK_EN; - - RTSX_WRITE_REG(chip, CARD_CLK_EN, clk_en, clk_en); - - return STATUS_SUCCESS; -} - -int disable_card_clock(struct rtsx_chip *chip, u8 card) -{ - u8 clk_en = 0; - - if (card & XD_CARD) - clk_en |= XD_CLK_EN; - if (card & SD_CARD) - clk_en |= SD_CLK_EN; - if (card & MS_CARD) - clk_en |= MS_CLK_EN; - - RTSX_WRITE_REG(chip, CARD_CLK_EN, clk_en, 0); - - return STATUS_SUCCESS; -} - -int card_power_on(struct rtsx_chip *chip, u8 card) -{ - int retval; - u8 mask, val1, val2; - - if (CHECK_LUN_MODE(chip, SD_MS_2LUN) && (card == MS_CARD)) { - mask = MS_POWER_MASK; - val1 = MS_PARTIAL_POWER_ON; - val2 = MS_POWER_ON; - } else { - mask = SD_POWER_MASK; - val1 = SD_PARTIAL_POWER_ON; - val2 = SD_POWER_ON; - } - - rtsx_init_cmd(chip); - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, mask, val1); - if (CHECK_PID(chip, 0x5209) && (card == SD_CARD)) - rtsx_add_cmd(chip, WRITE_REG_CMD, PWR_GATE_CTRL, LDO3318_PWR_MASK, LDO_SUSPEND); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - udelay(chip->pmos_pwr_on_interval); - - rtsx_init_cmd(chip); - rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, mask, val2); - if (CHECK_PID(chip, 0x5209) && (card == SD_CARD)) - rtsx_add_cmd(chip, WRITE_REG_CMD, PWR_GATE_CTRL, LDO3318_PWR_MASK, LDO_ON); - - retval = rtsx_send_cmd(chip, 0, 100); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - return STATUS_SUCCESS; -} - -int card_power_off(struct rtsx_chip *chip, u8 card) -{ - u8 mask, val; - - if (CHECK_LUN_MODE(chip, SD_MS_2LUN) && (card == MS_CARD)) { - mask = MS_POWER_MASK; - val = MS_POWER_OFF; - } else { - mask = SD_POWER_MASK; - val = SD_POWER_OFF; - } - if (CHECK_PID(chip, 0x5209)) { - mask |= PMOS_STRG_MASK; - val |= PMOS_STRG_400mA; - } - - RTSX_WRITE_REG(chip, CARD_PWR_CTL, mask, val); - if (CHECK_PID(chip, 0x5209) && (card == SD_CARD)) - RTSX_WRITE_REG(chip, PWR_GATE_CTRL, LDO3318_PWR_MASK, LDO_OFF); - - return STATUS_SUCCESS; -} - -int card_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip, u32 sec_addr, u16 sec_cnt) -{ - int retval; - unsigned int lun = SCSI_LUN(srb); - int i; - - if (chip->rw_card[lun] == NULL) - TRACE_RET(chip, STATUS_FAIL); - - for (i = 0; i < 3; i++) { - chip->rw_need_retry = 0; - - retval = chip->rw_card[lun](srb, chip, sec_addr, sec_cnt); - if (retval != STATUS_SUCCESS) { - if (rtsx_check_chip_exist(chip) != STATUS_SUCCESS) { - rtsx_release_chip(chip); - TRACE_RET(chip, STATUS_FAIL); - } - if (detect_card_cd(chip, chip->cur_card) != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - if (!chip->rw_need_retry) { - RTSX_DEBUGP("RW fail, but no need to retry\n"); - break; - } - } else { - chip->rw_need_retry = 0; - break; - } - - RTSX_DEBUGP("Retry RW, (i = %d)\n", i); - } - - return retval; -} - -int card_share_mode(struct rtsx_chip *chip, int card) -{ - u8 mask, value; - - if (CHECK_PID(chip, 0x5209) || CHECK_PID(chip, 0x5208)) { - mask = CARD_SHARE_MASK; - if (card == SD_CARD) - value = CARD_SHARE_48_SD; - else if (card == MS_CARD) - value = CARD_SHARE_48_MS; - else if (card == XD_CARD) - value = CARD_SHARE_48_XD; - else - TRACE_RET(chip, STATUS_FAIL); - - } else if (CHECK_PID(chip, 0x5288)) { - mask = 0x03; - if (card == SD_CARD) - value = CARD_SHARE_BAROSSA_SD; - else if (card == MS_CARD) - value = CARD_SHARE_BAROSSA_MS; - else if (card == XD_CARD) - value = CARD_SHARE_BAROSSA_XD; - else - TRACE_RET(chip, STATUS_FAIL); - - } else { - TRACE_RET(chip, STATUS_FAIL); - } - - RTSX_WRITE_REG(chip, CARD_SHARE_MODE, mask, value); - - return STATUS_SUCCESS; -} - - -int select_card(struct rtsx_chip *chip, int card) -{ - int retval; - - if (chip->cur_card != card) { - u8 mod; - - if (card == SD_CARD) - mod = SD_MOD_SEL; - else if (card == MS_CARD) - mod = MS_MOD_SEL; - else if (card == XD_CARD) - mod = XD_MOD_SEL; - else if (card == SPI_CARD) - mod = SPI_MOD_SEL; - else - TRACE_RET(chip, STATUS_FAIL); - - RTSX_WRITE_REG(chip, CARD_SELECT, 0x07, mod); - chip->cur_card = card; - - retval = card_share_mode(chip, card); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - } - - return STATUS_SUCCESS; -} - -void toggle_gpio(struct rtsx_chip *chip, u8 gpio) -{ - u8 temp_reg; - - rtsx_read_register(chip, CARD_GPIO, &temp_reg); - temp_reg ^= (0x01 << gpio); - rtsx_write_register(chip, CARD_GPIO, 0xFF, temp_reg); -} - -void turn_on_led(struct rtsx_chip *chip, u8 gpio) -{ - if (CHECK_PID(chip, 0x5288)) - rtsx_write_register(chip, CARD_GPIO, (u8)(1 << gpio), (u8)(1 << gpio)); - else - rtsx_write_register(chip, CARD_GPIO, (u8)(1 << gpio), 0); -} - -void turn_off_led(struct rtsx_chip *chip, u8 gpio) -{ - if (CHECK_PID(chip, 0x5288)) - rtsx_write_register(chip, CARD_GPIO, (u8)(1 << gpio), 0); - else - rtsx_write_register(chip, CARD_GPIO, (u8)(1 << gpio), (u8)(1 << gpio)); -} - -int detect_card_cd(struct rtsx_chip *chip, int card) -{ - u32 card_cd, status; - - if (card == SD_CARD) { - card_cd = SD_EXIST; - } else if (card == MS_CARD) { - card_cd = MS_EXIST; - } else if (card == XD_CARD) { - card_cd = XD_EXIST; - } else { - RTSX_DEBUGP("Wrong card type: 0x%x\n", card); - TRACE_RET(chip, STATUS_FAIL); - } - - status = rtsx_readl(chip, RTSX_BIPR); - if (!(status & card_cd)) - TRACE_RET(chip, STATUS_FAIL); - - return STATUS_SUCCESS; -} - -int check_card_exist(struct rtsx_chip *chip, unsigned int lun) -{ - if (chip->card_exist & chip->lun2card[lun]) - return 1; - - return 0; -} - -int check_card_ready(struct rtsx_chip *chip, unsigned int lun) -{ - if (chip->card_ready & chip->lun2card[lun]) - return 1; - - return 0; -} - -int check_card_wp(struct rtsx_chip *chip, unsigned int lun) -{ - if (chip->card_wp & chip->lun2card[lun]) - return 1; - - return 0; -} - -int check_card_fail(struct rtsx_chip *chip, unsigned int lun) -{ - if (chip->card_fail & chip->lun2card[lun]) - return 1; - - return 0; -} - -int check_card_ejected(struct rtsx_chip *chip, unsigned int lun) -{ - if (chip->card_ejected & chip->lun2card[lun]) - return 1; - - return 0; -} - -u8 get_lun_card(struct rtsx_chip *chip, unsigned int lun) -{ - if ((chip->card_ready & chip->lun2card[lun]) == XD_CARD) - return (u8)XD_CARD; - else if ((chip->card_ready & chip->lun2card[lun]) == SD_CARD) - return (u8)SD_CARD; - else if ((chip->card_ready & chip->lun2card[lun]) == MS_CARD) - return (u8)MS_CARD; - - return 0; -} - -void eject_card(struct rtsx_chip *chip, unsigned int lun) -{ - do_remaining_work(chip); - - if ((chip->card_ready & chip->lun2card[lun]) == SD_CARD) { - release_sd_card(chip); - chip->card_ejected |= SD_CARD; - chip->card_ready &= ~SD_CARD; - chip->capacity[lun] = 0; - } else if ((chip->card_ready & chip->lun2card[lun]) == XD_CARD) { - release_xd_card(chip); - chip->card_ejected |= XD_CARD; - chip->card_ready &= ~XD_CARD; - chip->capacity[lun] = 0; - } else if ((chip->card_ready & chip->lun2card[lun]) == MS_CARD) { - release_ms_card(chip); - chip->card_ejected |= MS_CARD; - chip->card_ready &= ~MS_CARD; - chip->capacity[lun] = 0; - } -} |