mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 07:37:36 +07:00
0501be6429
This patch is coming to fix compatibility issue of BKOPS_EN field of EXT_CSD. In eMMC-5.1, BKOPS_EN was changed, and now it has two operational bits: Bit 0 - MANUAL_EN Bit 1 - AUTO_EN In previous eMMC revisions, only Bit 0 was supported. Signed-off-by: Alexey Skidanov <alexey.skidanov@sandisk.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
522 lines
16 KiB
C
522 lines
16 KiB
C
/*
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* linux/include/linux/mmc/card.h
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Card driver specific definitions.
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*/
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#ifndef LINUX_MMC_CARD_H
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#define LINUX_MMC_CARD_H
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#include <linux/device.h>
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#include <linux/mmc/core.h>
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#include <linux/mod_devicetable.h>
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struct mmc_cid {
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unsigned int manfid;
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char prod_name[8];
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unsigned char prv;
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unsigned int serial;
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unsigned short oemid;
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unsigned short year;
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unsigned char hwrev;
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unsigned char fwrev;
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unsigned char month;
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};
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struct mmc_csd {
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unsigned char structure;
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unsigned char mmca_vsn;
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unsigned short cmdclass;
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unsigned short tacc_clks;
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unsigned int tacc_ns;
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unsigned int c_size;
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unsigned int r2w_factor;
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unsigned int max_dtr;
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unsigned int erase_size; /* In sectors */
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unsigned int read_blkbits;
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unsigned int write_blkbits;
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unsigned int capacity;
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unsigned int read_partial:1,
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read_misalign:1,
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write_partial:1,
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write_misalign:1,
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dsr_imp:1;
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};
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struct mmc_ext_csd {
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u8 rev;
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u8 erase_group_def;
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u8 sec_feature_support;
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u8 rel_sectors;
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u8 rel_param;
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u8 part_config;
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u8 cache_ctrl;
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u8 rst_n_function;
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u8 max_packed_writes;
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u8 max_packed_reads;
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u8 packed_event_en;
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unsigned int part_time; /* Units: ms */
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unsigned int sa_timeout; /* Units: 100ns */
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unsigned int generic_cmd6_time; /* Units: 10ms */
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unsigned int power_off_longtime; /* Units: ms */
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u8 power_off_notification; /* state */
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unsigned int hs_max_dtr;
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unsigned int hs200_max_dtr;
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#define MMC_HIGH_26_MAX_DTR 26000000
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#define MMC_HIGH_52_MAX_DTR 52000000
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#define MMC_HIGH_DDR_MAX_DTR 52000000
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#define MMC_HS200_MAX_DTR 200000000
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unsigned int sectors;
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unsigned int hc_erase_size; /* In sectors */
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unsigned int hc_erase_timeout; /* In milliseconds */
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unsigned int sec_trim_mult; /* Secure trim multiplier */
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unsigned int sec_erase_mult; /* Secure erase multiplier */
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unsigned int trim_timeout; /* In milliseconds */
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bool partition_setting_completed; /* enable bit */
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unsigned long long enhanced_area_offset; /* Units: Byte */
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unsigned int enhanced_area_size; /* Units: KB */
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unsigned int cache_size; /* Units: KB */
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bool hpi_en; /* HPI enablebit */
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bool hpi; /* HPI support bit */
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unsigned int hpi_cmd; /* cmd used as HPI */
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bool bkops; /* background support bit */
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bool man_bkops_en; /* manual bkops enable bit */
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unsigned int data_sector_size; /* 512 bytes or 4KB */
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unsigned int data_tag_unit_size; /* DATA TAG UNIT size */
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unsigned int boot_ro_lock; /* ro lock support */
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bool boot_ro_lockable;
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bool ffu_capable; /* Firmware upgrade support */
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#define MMC_FIRMWARE_LEN 8
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u8 fwrev[MMC_FIRMWARE_LEN]; /* FW version */
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u8 raw_exception_status; /* 54 */
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u8 raw_partition_support; /* 160 */
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u8 raw_rpmb_size_mult; /* 168 */
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u8 raw_erased_mem_count; /* 181 */
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u8 raw_ext_csd_structure; /* 194 */
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u8 raw_card_type; /* 196 */
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u8 out_of_int_time; /* 198 */
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u8 raw_pwr_cl_52_195; /* 200 */
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u8 raw_pwr_cl_26_195; /* 201 */
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u8 raw_pwr_cl_52_360; /* 202 */
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u8 raw_pwr_cl_26_360; /* 203 */
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u8 raw_s_a_timeout; /* 217 */
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u8 raw_hc_erase_gap_size; /* 221 */
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u8 raw_erase_timeout_mult; /* 223 */
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u8 raw_hc_erase_grp_size; /* 224 */
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u8 raw_sec_trim_mult; /* 229 */
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u8 raw_sec_erase_mult; /* 230 */
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u8 raw_sec_feature_support;/* 231 */
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u8 raw_trim_mult; /* 232 */
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u8 raw_pwr_cl_200_195; /* 236 */
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u8 raw_pwr_cl_200_360; /* 237 */
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u8 raw_pwr_cl_ddr_52_195; /* 238 */
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u8 raw_pwr_cl_ddr_52_360; /* 239 */
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u8 raw_pwr_cl_ddr_200_360; /* 253 */
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u8 raw_bkops_status; /* 246 */
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u8 raw_sectors[4]; /* 212 - 4 bytes */
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unsigned int feature_support;
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#define MMC_DISCARD_FEATURE BIT(0) /* CMD38 feature */
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};
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struct sd_scr {
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unsigned char sda_vsn;
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unsigned char sda_spec3;
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unsigned char bus_widths;
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#define SD_SCR_BUS_WIDTH_1 (1<<0)
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#define SD_SCR_BUS_WIDTH_4 (1<<2)
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unsigned char cmds;
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#define SD_SCR_CMD20_SUPPORT (1<<0)
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#define SD_SCR_CMD23_SUPPORT (1<<1)
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};
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struct sd_ssr {
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unsigned int au; /* In sectors */
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unsigned int erase_timeout; /* In milliseconds */
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unsigned int erase_offset; /* In milliseconds */
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};
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struct sd_switch_caps {
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unsigned int hs_max_dtr;
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unsigned int uhs_max_dtr;
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#define HIGH_SPEED_MAX_DTR 50000000
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#define UHS_SDR104_MAX_DTR 208000000
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#define UHS_SDR50_MAX_DTR 100000000
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#define UHS_DDR50_MAX_DTR 50000000
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#define UHS_SDR25_MAX_DTR UHS_DDR50_MAX_DTR
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#define UHS_SDR12_MAX_DTR 25000000
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unsigned int sd3_bus_mode;
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#define UHS_SDR12_BUS_SPEED 0
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#define HIGH_SPEED_BUS_SPEED 1
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#define UHS_SDR25_BUS_SPEED 1
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#define UHS_SDR50_BUS_SPEED 2
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#define UHS_SDR104_BUS_SPEED 3
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#define UHS_DDR50_BUS_SPEED 4
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#define SD_MODE_HIGH_SPEED (1 << HIGH_SPEED_BUS_SPEED)
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#define SD_MODE_UHS_SDR12 (1 << UHS_SDR12_BUS_SPEED)
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#define SD_MODE_UHS_SDR25 (1 << UHS_SDR25_BUS_SPEED)
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#define SD_MODE_UHS_SDR50 (1 << UHS_SDR50_BUS_SPEED)
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#define SD_MODE_UHS_SDR104 (1 << UHS_SDR104_BUS_SPEED)
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#define SD_MODE_UHS_DDR50 (1 << UHS_DDR50_BUS_SPEED)
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unsigned int sd3_drv_type;
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#define SD_DRIVER_TYPE_B 0x01
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#define SD_DRIVER_TYPE_A 0x02
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#define SD_DRIVER_TYPE_C 0x04
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#define SD_DRIVER_TYPE_D 0x08
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unsigned int sd3_curr_limit;
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#define SD_SET_CURRENT_LIMIT_200 0
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#define SD_SET_CURRENT_LIMIT_400 1
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#define SD_SET_CURRENT_LIMIT_600 2
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#define SD_SET_CURRENT_LIMIT_800 3
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#define SD_SET_CURRENT_NO_CHANGE (-1)
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#define SD_MAX_CURRENT_200 (1 << SD_SET_CURRENT_LIMIT_200)
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#define SD_MAX_CURRENT_400 (1 << SD_SET_CURRENT_LIMIT_400)
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#define SD_MAX_CURRENT_600 (1 << SD_SET_CURRENT_LIMIT_600)
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#define SD_MAX_CURRENT_800 (1 << SD_SET_CURRENT_LIMIT_800)
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};
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struct sdio_cccr {
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unsigned int sdio_vsn;
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unsigned int sd_vsn;
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unsigned int multi_block:1,
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low_speed:1,
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wide_bus:1,
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high_power:1,
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high_speed:1,
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disable_cd:1;
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};
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struct sdio_cis {
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unsigned short vendor;
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unsigned short device;
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unsigned short blksize;
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unsigned int max_dtr;
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};
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struct mmc_host;
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struct mmc_ios;
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struct sdio_func;
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struct sdio_func_tuple;
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#define SDIO_MAX_FUNCS 7
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enum mmc_blk_status {
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MMC_BLK_SUCCESS = 0,
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MMC_BLK_PARTIAL,
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MMC_BLK_CMD_ERR,
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MMC_BLK_RETRY,
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MMC_BLK_ABORT,
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MMC_BLK_DATA_ERR,
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MMC_BLK_ECC_ERR,
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MMC_BLK_NOMEDIUM,
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MMC_BLK_NEW_REQUEST,
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};
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/* The number of MMC physical partitions. These consist of:
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* boot partitions (2), general purpose partitions (4) and
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* RPMB partition (1) in MMC v4.4.
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*/
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#define MMC_NUM_BOOT_PARTITION 2
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#define MMC_NUM_GP_PARTITION 4
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#define MMC_NUM_PHY_PARTITION 7
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#define MAX_MMC_PART_NAME_LEN 20
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/*
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* MMC Physical partitions
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*/
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struct mmc_part {
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unsigned int size; /* partition size (in bytes) */
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unsigned int part_cfg; /* partition type */
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char name[MAX_MMC_PART_NAME_LEN];
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bool force_ro; /* to make boot parts RO by default */
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unsigned int area_type;
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#define MMC_BLK_DATA_AREA_MAIN (1<<0)
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#define MMC_BLK_DATA_AREA_BOOT (1<<1)
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#define MMC_BLK_DATA_AREA_GP (1<<2)
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#define MMC_BLK_DATA_AREA_RPMB (1<<3)
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};
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/*
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* MMC device
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*/
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struct mmc_card {
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struct mmc_host *host; /* the host this device belongs to */
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struct device dev; /* the device */
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u32 ocr; /* the current OCR setting */
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unsigned int rca; /* relative card address of device */
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unsigned int type; /* card type */
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#define MMC_TYPE_MMC 0 /* MMC card */
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#define MMC_TYPE_SD 1 /* SD card */
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#define MMC_TYPE_SDIO 2 /* SDIO card */
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#define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */
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unsigned int state; /* (our) card state */
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#define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
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#define MMC_STATE_READONLY (1<<1) /* card is read-only */
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#define MMC_STATE_BLOCKADDR (1<<2) /* card uses block-addressing */
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#define MMC_CARD_SDXC (1<<3) /* card is SDXC */
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#define MMC_CARD_REMOVED (1<<4) /* card has been removed */
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#define MMC_STATE_DOING_BKOPS (1<<5) /* card is doing BKOPS */
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#define MMC_STATE_SUSPENDED (1<<6) /* card is suspended */
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unsigned int quirks; /* card quirks */
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#define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */
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#define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
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/* for byte mode */
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#define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */
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/* (missing CIA registers) */
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#define MMC_QUIRK_BROKEN_CLK_GATING (1<<3) /* clock gating the sdio bus will make card fail */
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#define MMC_QUIRK_NONSTD_FUNC_IF (1<<4) /* SDIO card has nonstd function interfaces */
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#define MMC_QUIRK_DISABLE_CD (1<<5) /* disconnect CD/DAT[3] resistor */
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#define MMC_QUIRK_INAND_CMD38 (1<<6) /* iNAND devices have broken CMD38 */
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#define MMC_QUIRK_BLK_NO_CMD23 (1<<7) /* Avoid CMD23 for regular multiblock */
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#define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8) /* Avoid sending 512 bytes in */
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/* byte mode */
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#define MMC_QUIRK_LONG_READ_TIME (1<<9) /* Data read time > CSD says */
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#define MMC_QUIRK_SEC_ERASE_TRIM_BROKEN (1<<10) /* Skip secure for erase/trim */
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#define MMC_QUIRK_BROKEN_IRQ_POLLING (1<<11) /* Polling SDIO_CCCR_INTx could create a fake interrupt */
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unsigned int erase_size; /* erase size in sectors */
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unsigned int erase_shift; /* if erase unit is power 2 */
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unsigned int pref_erase; /* in sectors */
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u8 erased_byte; /* value of erased bytes */
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u32 raw_cid[4]; /* raw card CID */
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u32 raw_csd[4]; /* raw card CSD */
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u32 raw_scr[2]; /* raw card SCR */
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struct mmc_cid cid; /* card identification */
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struct mmc_csd csd; /* card specific */
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struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */
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struct sd_scr scr; /* extra SD information */
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struct sd_ssr ssr; /* yet more SD information */
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struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
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unsigned int sdio_funcs; /* number of SDIO functions */
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struct sdio_cccr cccr; /* common card info */
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struct sdio_cis cis; /* common tuple info */
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struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
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struct sdio_func *sdio_single_irq; /* SDIO function when only one IRQ active */
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unsigned num_info; /* number of info strings */
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const char **info; /* info strings */
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struct sdio_func_tuple *tuples; /* unknown common tuples */
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unsigned int sd_bus_speed; /* Bus Speed Mode set for the card */
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unsigned int mmc_avail_type; /* supported device type by both host and card */
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struct dentry *debugfs_root;
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struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */
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unsigned int nr_parts;
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};
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/*
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* This function fill contents in mmc_part.
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*/
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static inline void mmc_part_add(struct mmc_card *card, unsigned int size,
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unsigned int part_cfg, char *name, int idx, bool ro,
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int area_type)
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{
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card->part[card->nr_parts].size = size;
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card->part[card->nr_parts].part_cfg = part_cfg;
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sprintf(card->part[card->nr_parts].name, name, idx);
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card->part[card->nr_parts].force_ro = ro;
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card->part[card->nr_parts].area_type = area_type;
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card->nr_parts++;
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}
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static inline bool mmc_large_sector(struct mmc_card *card)
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{
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return card->ext_csd.data_sector_size == 4096;
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}
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/*
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* The world is not perfect and supplies us with broken mmc/sdio devices.
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* For at least some of these bugs we need a work-around.
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*/
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struct mmc_fixup {
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/* CID-specific fields. */
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const char *name;
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/* Valid revision range */
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u64 rev_start, rev_end;
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unsigned int manfid;
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unsigned short oemid;
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/* SDIO-specfic fields. You can use SDIO_ANY_ID here of course */
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u16 cis_vendor, cis_device;
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void (*vendor_fixup)(struct mmc_card *card, int data);
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int data;
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};
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#define CID_MANFID_ANY (-1u)
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#define CID_OEMID_ANY ((unsigned short) -1)
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#define CID_NAME_ANY (NULL)
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#define END_FIXUP { NULL }
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#define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end, \
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_cis_vendor, _cis_device, \
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_fixup, _data) \
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{ \
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.name = (_name), \
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.manfid = (_manfid), \
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.oemid = (_oemid), \
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.rev_start = (_rev_start), \
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.rev_end = (_rev_end), \
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.cis_vendor = (_cis_vendor), \
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.cis_device = (_cis_device), \
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.vendor_fixup = (_fixup), \
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.data = (_data), \
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}
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#define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end, \
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_fixup, _data) \
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_FIXUP_EXT(_name, _manfid, \
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_oemid, _rev_start, _rev_end, \
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SDIO_ANY_ID, SDIO_ANY_ID, \
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_fixup, _data) \
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#define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
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MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data)
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#define SDIO_FIXUP(_vendor, _device, _fixup, _data) \
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_FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY, \
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CID_OEMID_ANY, 0, -1ull, \
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_vendor, _device, \
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_fixup, _data) \
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#define cid_rev(hwrev, fwrev, year, month) \
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(((u64) hwrev) << 40 | \
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((u64) fwrev) << 32 | \
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((u64) year) << 16 | \
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((u64) month))
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#define cid_rev_card(card) \
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cid_rev(card->cid.hwrev, \
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card->cid.fwrev, \
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card->cid.year, \
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card->cid.month)
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/*
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* Unconditionally quirk add/remove.
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*/
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static inline void __maybe_unused add_quirk(struct mmc_card *card, int data)
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{
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card->quirks |= data;
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}
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static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data)
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{
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card->quirks &= ~data;
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}
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#define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
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#define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
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#define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)
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#define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
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#define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
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#define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
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#define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
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#define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED))
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#define mmc_card_doing_bkops(c) ((c)->state & MMC_STATE_DOING_BKOPS)
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#define mmc_card_suspended(c) ((c)->state & MMC_STATE_SUSPENDED)
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|
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#define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
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#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
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#define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
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#define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
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#define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED)
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#define mmc_card_set_doing_bkops(c) ((c)->state |= MMC_STATE_DOING_BKOPS)
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#define mmc_card_clr_doing_bkops(c) ((c)->state &= ~MMC_STATE_DOING_BKOPS)
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#define mmc_card_set_suspended(c) ((c)->state |= MMC_STATE_SUSPENDED)
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#define mmc_card_clr_suspended(c) ((c)->state &= ~MMC_STATE_SUSPENDED)
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|
|
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/*
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* Quirk add/remove for MMC products.
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|
*/
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|
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static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data)
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|
{
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|
if (mmc_card_mmc(card))
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|
card->quirks |= data;
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|
}
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|
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static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card,
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|
int data)
|
|
{
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|
if (mmc_card_mmc(card))
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|
card->quirks &= ~data;
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|
}
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|
|
|
/*
|
|
* Quirk add/remove for SD products.
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|
*/
|
|
|
|
static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data)
|
|
{
|
|
if (mmc_card_sd(card))
|
|
card->quirks |= data;
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|
}
|
|
|
|
static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card,
|
|
int data)
|
|
{
|
|
if (mmc_card_sd(card))
|
|
card->quirks &= ~data;
|
|
}
|
|
|
|
static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
|
|
{
|
|
return c->quirks & MMC_QUIRK_LENIENT_FN0;
|
|
}
|
|
|
|
static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
|
|
{
|
|
return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
|
|
}
|
|
|
|
static inline int mmc_card_disable_cd(const struct mmc_card *c)
|
|
{
|
|
return c->quirks & MMC_QUIRK_DISABLE_CD;
|
|
}
|
|
|
|
static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c)
|
|
{
|
|
return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF;
|
|
}
|
|
|
|
static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c)
|
|
{
|
|
return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
|
|
}
|
|
|
|
static inline int mmc_card_long_read_time(const struct mmc_card *c)
|
|
{
|
|
return c->quirks & MMC_QUIRK_LONG_READ_TIME;
|
|
}
|
|
|
|
static inline int mmc_card_broken_irq_polling(const struct mmc_card *c)
|
|
{
|
|
return c->quirks & MMC_QUIRK_BROKEN_IRQ_POLLING;
|
|
}
|
|
|
|
#define mmc_card_name(c) ((c)->cid.prod_name)
|
|
#define mmc_card_id(c) (dev_name(&(c)->dev))
|
|
|
|
#define mmc_dev_to_card(d) container_of(d, struct mmc_card, dev)
|
|
|
|
extern int mmc_register_driver(struct device_driver *);
|
|
extern void mmc_unregister_driver(struct device_driver *);
|
|
|
|
extern void mmc_fixup_device(struct mmc_card *card,
|
|
const struct mmc_fixup *table);
|
|
|
|
#endif /* LINUX_MMC_CARD_H */
|