mirror of
https://github.com/hardkernel/kernel_common_drivers.git
synced 2026-06-25 12:03:48 +09:00
jinbiao
b6bce37072
PD#SWPL-164281 Problem: SD io-related GPIO always output high when reboot. Solution: control sd io related GPIO output low via Pinctrl. Verify: C3_AW419 Change-Id: I487b5be27e2248b709c709c3bd7e3beb6d9adeee Signed-off-by: jinbiao <jinbiao.ou@amlogic.com>
597 lines
16 KiB
C
597 lines
16 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#ifndef __AML_SD_H__
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#define __AML_SD_H__
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#include <linux/mmc/card.h>
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#include <linux/interrupt.h>
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/* unknown */
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#define CARD_TYPE_UNKNOWN 0
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/* MMC card */
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#define CARD_TYPE_MMC 1
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/* SD card */
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#define CARD_TYPE_SD 2
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/* SDIO card */
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#define CARD_TYPE_SDIO 3
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/* SD combo (IO+mem) card */
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#define CARD_TYPE_SD_COMBO 4
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/* NON sdio device (means SD/MMC card) */
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#define CARD_TYPE_NON_SDIO 5
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#define aml_card_type_unknown(c) ((c)->card_type == CARD_TYPE_UNKNOWN)
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#define aml_card_type_mmc(c) ((c)->card_type == CARD_TYPE_MMC)
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#define aml_card_type_sd(c) ((c)->card_type == CARD_TYPE_SD)
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#define aml_card_type_sdio(c) ((c)->card_type == CARD_TYPE_SDIO)
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#define aml_card_type_non_sdio(c) ((c)->card_type == CARD_TYPE_NON_SDIO)
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#define EMMC_CMD_FALLING_SML BIT(0)
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#define EMMC_CMD_RISING_SML BIT(1)
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#define EMMC_CMD_CORE_CLK_SML BIT(2)
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#define EMMC_CMD_SD_CLK_SML BIT(3)
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#define EMMC_CMD_LINE_DELAY_MODE BIT(0)
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#define EMMC_CMD_RX_DELAY_MODE BIT(1)
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/* flag is "@ML" */
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#define TUNED_FLAG 0x004C4D40
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/* version is "V3" */
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#define TUNED_VERSION 0x00003356
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/* magic is 0x00487e44 */
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#define TUNED_MAGIC 0x00487e44
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#define MMC_DEVICES_NUM 2
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#define MMC_MULT_DEV_SEQ_SD 1
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#define MMC_MULT_DEV_SEQ_SDIO 2
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struct mmc_phase {
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unsigned int core_phase;
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unsigned int tx_phase;
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unsigned int rx_phase;
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unsigned int tx_delay;
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};
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struct para_e {
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struct mmc_phase init;
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struct mmc_phase hs;
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struct mmc_phase hs2;
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struct mmc_phase hs4;
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struct mmc_phase sdr;
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};
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#define LATCHING_RXPHASE 0
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#define LATCHING_TXPHASE 1
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#define LATCHING_FIXADJ 2
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#define MMC_HOST_V8 8
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#define MMC_HOST_VERSION(h) ((h)->data->version)
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#define MMC_SRAM_DESC_BUF_OFF(h) ((h)->data->sram_off)
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#define MMC_SRAM_DATA_BUF_OFF(h) ((h)->data->data_off)
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#define MMC_SRAM_DATA_BUF_LEN(h) ((h)->data->data_size)
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struct meson_mmc_data {
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unsigned int tx_delay_mask;
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unsigned int rx_delay_mask;
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unsigned int always_on;
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unsigned int adjust;
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u8 latching_mode;
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u8 version;
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unsigned int sram_off;
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unsigned int data_off;
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unsigned int data_size;
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};
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enum aml_host_bus_fsm { /* Host bus fsm status */
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BUS_FSM_IDLE, /* 0, idle */
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BUS_FSM_SND_CMD, /* 1, send cmd */
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BUS_FSM_CMD_DONE, /* 2, wait for cmd done */
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BUS_FSM_RESP_START, /* 3, resp start */
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BUS_FSM_RESP_DONE, /* 4, wait for resp done */
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BUS_FSM_DATA_START, /* 5, data start */
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BUS_FSM_DATA_DONE, /* 6, wait for data done */
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BUS_FSM_DESC_WRITE_BACK,/* 7, wait for desc write back */
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BUS_FSM_IRQ_SERVICE, /* 8, wait for irq service */
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};
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struct sd_emmc_desc {
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u32 cmd_cfg;
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u32 cmd_arg;
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u32 cmd_data;
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u32 cmd_resp;
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};
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#define SG_VALID BIT(0)
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#define SG_EOC BIT(1)
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#define SG_LENGTH_MASK GENMASK(31, 16)
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#define SG_LENGTH_MAX (64 * 1024)
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struct meson_mmc_hole {
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u8 start;
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u8 size;
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};
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struct hs400_para {
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unsigned int delay1;
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unsigned int delay2;
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unsigned int intf3;
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unsigned int flag;
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};
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struct hs200_para {
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unsigned int adjust;
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};
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struct hs_para {
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unsigned int adjust;
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};
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struct aml_tuning_para {
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unsigned int chip_id[4];
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unsigned int magic;
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unsigned int vddee;
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struct hs400_para hs4[7];
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struct hs200_para hs2;
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struct hs_para hs;
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unsigned int version;
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unsigned int busmode;
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unsigned int update;
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int temperature;
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long long clk;
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long long checksum;
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};
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struct meson_host {
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struct device *dev;
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struct meson_mmc_data *data;
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struct mmc_host *mmc;
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struct mmc_command *cmd;
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struct delayed_work dtbkey;
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void __iomem *regs;
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void __iomem *pin_mux_base;
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void __iomem *clk_tree_base;
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struct resource *res[3];
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struct clk *core_clk;
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struct clk *tx_clk;
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struct clk *mmc_clk;
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struct clk *mux[3];
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struct clk *mux_div;
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struct clk *clk[3];
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unsigned long req_rate;
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unsigned char timing;
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bool ddr;
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bool dram_access_quirk;
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struct pinctrl *pinctrl;
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struct pinctrl_state *pins_default;
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struct pinctrl_state *pins_clk_gate;
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struct pinctrl_state *pins_sleep;
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unsigned int bounce_buf_size;
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void *bounce_buf;
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dma_addr_t bounce_dma_addr;
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struct sd_emmc_desc *descs;
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dma_addr_t descs_dma_addr;
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unsigned int desc_buf_size;
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u32 *sg_descs;
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dma_addr_t sg_descs_dma_addr;
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int irq;
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bool vqmmc_enabled;
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struct para_e sd_mmc;
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char is_tuning;
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unsigned int delay_cell;
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bool needs_pre_post_req;
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int sd_sdio_switch_volat_done;
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int irq_sdio_sleep;
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int sdio_irqen;
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unsigned int emmc_boot_base;
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u32 pin_mux_val;
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u32 clk_tree_val;
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u32 host_clk_val;
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int debug_flag;
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unsigned int card_type;
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unsigned int card_insert;
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u8 fixadj_have_hole;
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struct meson_mmc_hole hole[3];
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u8 fix_hole;
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u64 align[10];
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char cmd_retune;
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unsigned int win_start;
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u8 *blk_test;
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u8 *adj_win;
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unsigned int cmd_c;
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int cd_irq;
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irqreturn_t (*cd_gpio_isr)(int irq, void *dev_id);
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void (*pre_dma)(struct mmc_host *mmc, u32 cmd_cfg, struct mmc_command *cmd);
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int is_uart;
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int sd_uart_init;
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int first_temp_index;
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int cur_temp_index;
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int compute_cmd_delay;
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int compute_coef;
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unsigned int save_para;
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unsigned int src_clk_rate;
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struct aml_tuning_para para;
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int run_pxp_flag;
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int nwr_cnt;
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bool auto_clk;
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bool ignore_desc_busy;
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bool use_intf3_tuning;
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bool enable_hwcq;
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bool enable_inline_crypto;
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int flags;
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spinlock_t lock; /* lock for claim and bus ops */
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bool src_clk_cfg_done;
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bool tdma;
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bool sd_clk_sample;
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struct dentry *debugfs_root;
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struct clk *src_clk;
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unsigned int f_min;
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unsigned int f_max;
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struct completion drv_completion;
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unsigned int vendor_id;
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};
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struct amlsd_platform {
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struct meson_host *host;
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struct mmc_host *mmc;
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struct list_head sibling;
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struct para_e sd_mmc;
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u32 ocr_avail;
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u32 port;
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u32 debug_flag;
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unsigned long req_rate;
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struct clk *src_clk;
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struct pinctrl_state *pins_default;
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struct pinctrl_state *pins_clk_gate;
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unsigned char timing;
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bool vqmmc_enabled;
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bool auto_clk;
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bool ddr;
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bool ignore_desc_busy;
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unsigned int card_insert;
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int is_uart;
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unsigned int src_clk_rate;
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char is_tuning;
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struct delayed_work cd_detect;
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unsigned int caps;
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unsigned int caps2;
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unsigned int pm_caps;
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unsigned int card_capacity;
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unsigned int tx_phase;
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unsigned int tx_delay;
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unsigned int runtime;
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unsigned int save_para;
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unsigned int co_phase;
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unsigned int f_min;
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unsigned int f_max;
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unsigned int clkc;
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unsigned int clk2;
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unsigned int clkc_w;
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unsigned int ctrl;
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unsigned int adj;
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unsigned int dly1;
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unsigned int dly2;
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unsigned int intf3;
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unsigned int win_start;
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unsigned int irq_sdio_sleep;
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unsigned int clock;
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/* signalling voltage (1.8V or 3.3V) */
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unsigned char signal_voltage;
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int bus_width;
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int bl_len;
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int stop_clk;
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unsigned int irq_cd;
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unsigned int gpio_cd;
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unsigned int gpio_cd_level;
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unsigned int gpio_cd_sta;
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unsigned int gpio_power;
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unsigned int power_mode;
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unsigned int no_sduart;
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unsigned int scan_val;
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unsigned int vol_switch;
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unsigned int vol_switch_18;
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unsigned int vol_switch_delay;
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unsigned int gpio_ro;
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unsigned int gpio_trigger;
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unsigned int gpio_dat3;
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unsigned int hw_reset;
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unsigned int jtag_pin;
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int is_sduart;
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unsigned int card_in_delay;
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bool is_in;
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/* 0:unknown, 1:mmc card(include eMMC), 2:sd card(include tSD),
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* 3:sdio device(ie:sdio-wifi), 4:SD combo (IO+mem) card,
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* 5:NON sdio device(means sd/mmc card), other:reserved
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*/
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unsigned int card_type;
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unsigned int max_blk_count;
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unsigned int max_blk_size;
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unsigned int max_req_size;
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unsigned int max_seg_size;
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};
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struct wifi_clk_table {
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char m_wifi_name[20];
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unsigned short m_use_flag;
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unsigned short m_device_id;
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unsigned int m_uhs_max_dtr;
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};
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enum wifi_clk_table_e {
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WIFI_CLOCK_TABLE_8822BS = 0,
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WIFI_CLOCK_TABLE_8822CS = 1,
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WIFI_CLOCK_TABLE_QCA6174 = 2,
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WIFI_CLOCK_TABLE_MAX,
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};
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void sdio_reinit(void);
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const char *get_wifi_inf(void);
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int sdio_get_vendor(void);
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void aml_host_bus_fsm_show(struct mmc_host *mmc, int status);
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extern struct mmc_host *sdio_host;
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#define DRIVER_NAME "meson-gx-mmc"
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#define G12A_DRIVER_NAME "meson-g12a-mmc"
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#if CONFIG_AMLOGIC_KERNEL_VERSION == 13515
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void mmc_sd_update_cmdline_timing(void *data, struct mmc_card *card, int *err);
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void mmc_sd_update_dataline_timing(void *data, struct mmc_card *card, int *err);
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#define SD_CMD_TIMING mmc_sd_update_cmdline_timing
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#define SD_DATA_TIMING mmc_sd_update_dataline_timing
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#endif
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#define SD_EMMC_CLOCK 0x0
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#define CLK_DIV_MASK GENMASK(5, 0)
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#define CLK_SRC_MASK GENMASK(7, 6)
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#define CLK_CORE_PHASE_MASK GENMASK(9, 8)
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#define CLK_TX_PHASE_MASK GENMASK(11, 10)
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#define CLK_RX_PHASE_MASK GENMASK(13, 12)
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#define CLK_PHASE_0 0
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#define CLK_PHASE_180 2
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#define CLK_V2_TX_DELAY_MASK GENMASK(19, 16)
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#define CLK_V2_RX_DELAY_MASK GENMASK(23, 20)
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#define CLK_V2_ALWAYS_ON BIT(24)
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#define CLK_V3_TX_DELAY_MASK GENMASK(21, 16)
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#define CLK_V3_RX_DELAY_MASK GENMASK(27, 22)
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#define CLK_V3_ALWAYS_ON BIT(28)
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#define CFG_IRQ_SDIO_SLEEP BIT(29)
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#define CFG_IRQ_SDIO_SLEEP_DS BIT(30)
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#define CLK_TX_DELAY_MASK(h) ((h)->data->tx_delay_mask)
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#define CLK_RX_DELAY_MASK(h) ((h)->data->rx_delay_mask)
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#define CLK_ALWAYS_ON(h) ((h)->data->always_on)
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#define SD_EMMC_DELAY 0x4
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#define SD_EMMC_ADJUST 0x8
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#define ADJUST_ADJ_DELAY_MASK GENMASK(21, 16)
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#define ADJUST_DS_EN BIT(15)
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#define ADJUST_ADJ_EN BIT(13)
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#define SD_EMMC_DELAY1 0x4
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#define SD_EMMC_DELAY2 0x8
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#define DELAY2_CMD_MASK GENMASK(29, 24)
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#define SD_EMMC_V3_ADJUST 0xc
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#define CALI_SEL_MASK GENMASK(11, 8)
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#define CALI_ENABLE BIT(12)
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#define CFG_ADJUST_ENABLE BIT(13)
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#define CALI_RISE BIT(14)
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#define DS_ENABLE BIT(15)
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#define CLK_ADJUST_DELAY GENMASK(21, 16)
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#define ADJ_AUTO BIT(22)
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#define SD_EMMC_CALOUT 0x10
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#define SD_EMMC_ADJ_IDX_LOG 0x20
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#define SD_EMMC_CLKTEST_LOG 0x24
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#define CLKTEST_TIMES_MASK GENMASK(30, 0)
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#define CLKTEST_DONE BIT(31)
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#define SD_EMMC_CLKTEST_OUT 0x28
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#define SD_EMMC_EYETEST_LOG 0x2c
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#define EYETEST_TIMES_MASK GENMASK(30, 0)
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#define EYETEST_DONE BIT(31)
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#define SD_EMMC_EYETEST_OUT0 0x30
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#define SD_EMMC_EYETEST_OUT1 0x34
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#define SD_EMMC_INTF3 0x38
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#define CLKTEST_EXP_MASK GENMASK(4, 0)
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#define CLKTEST_ON_M BIT(5)
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#define EYETEST_EXP_MASK GENMASK(10, 6)
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#define EYETEST_ON BIT(11)
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#define DS_SHT_M_MASK GENMASK(17, 12)
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#define DS_SHT_EXP_MASK GENMASK(21, 18)
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#define SD_INTF3 BIT(22)
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#define EYETEST_SEL BIT(26)
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#define RESP_SEL BIT(27)
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#define CFG_RX_SEL BIT(26)
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#define CFG_RX_PN BIT(27)
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#define RESP_OLD BIT(28)
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#define RESP_PN BIT(29)
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#define RESP_DS BIT(30)
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#define SD_EMMC_ADDR64 0xA0
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#define DESC_ADDR64_MASK GENMASK(7, 0)
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#define DATA_ADDR64_MASK GENMASK(15, 8)
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#define RESP_ADDR64_MASK GENMASK(23, 16)
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#define BUS64 BIT(24)
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#define SD_EMMC_START 0x40
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#define START_DESC_INIT BIT(0)
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#define START_DESC_BUSY BIT(1)
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#define START_DESC_ADDR_MASK GENMASK(31, 2)
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#define SD_EMMC_CFG 0x44
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#define CFG_BUS_WIDTH_MASK GENMASK(1, 0)
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#define CFG_BUS_WIDTH_1 0x0
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#define CFG_BUS_WIDTH_4 0x1
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#define CFG_BUS_WIDTH_8 0x2
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#define CFG_DDR BIT(2)
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#define CFG_BLK_LEN_MASK GENMASK(7, 4)
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#define CFG_RESP_TIMEOUT_MASK GENMASK(11, 8)
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#define CFG_RC_CC_MASK GENMASK(15, 12)
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#define CFG_STOP_CLOCK BIT(22)
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#define CFG_CLK_ALWAYS_ON BIT(18)
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#define CFG_CHK_DS BIT(20)
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#define CFG_AUTO_CLK BIT(23)
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#define CFG_ERR_ABORT BIT(27)
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#define SD_EMMC_STATUS 0x48
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#define STATUS_BUSY BIT(31)
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#define STATUS_DESC_BUSY BIT(30)
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#define STATUS_DATI GENMASK(23, 16)
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#define SD_EMMC_IRQ_EN 0x4c
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#define IRQ_RXD_ERR_MASK GENMASK(7, 0)
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#define IRQ_TXD_ERR BIT(8)
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#define IRQ_DESC_ERR BIT(9)
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#define IRQ_RESP_ERR BIT(10)
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#define IRQ_CRC_ERR \
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(IRQ_RXD_ERR_MASK | IRQ_TXD_ERR | IRQ_DESC_ERR | IRQ_RESP_ERR)
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#define IRQ_RESP_TIMEOUT BIT(11)
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#define IRQ_DESC_TIMEOUT BIT(12)
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#define IRQ_TIMEOUTS \
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(IRQ_RESP_TIMEOUT | IRQ_DESC_TIMEOUT)
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#define IRQ_END_OF_CHAIN BIT(13)
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#define IRQ_RESP_STATUS BIT(14)
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#define IRQ_SDIO BIT(15)
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#define CFG_CMD_SETUP BIT(17)
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#define BUS_FSM_MASK GENMASK(29, 26)
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#define IRQ_EN_MASK \
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(IRQ_CRC_ERR | IRQ_TIMEOUTS | IRQ_END_OF_CHAIN | IRQ_RESP_STATUS |\
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IRQ_SDIO)
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#define SD_EMMC_CMD_CFG 0x50
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#define SD_EMMC_CMD_ARG 0x54
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#define SD_EMMC_CMD_DAT 0x58
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#define SD_EMMC_CMD_RSP 0x5c
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#define SD_EMMC_CMD_RSP1 0x60
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#define SD_EMMC_CMD_RSP2 0x64
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#define SD_EMMC_CMD_RSP3 0x68
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#define SD_EMMC_CURR_CFG 0x70
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#define SD_EMMC_NEXT_CFG 0x80
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#define SD_EMMC_RXD 0x94
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#define SD_EMMC_TXD 0x94
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#define SD_EMMC_LAST_REG SD_EMMC_TXD
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#define SD_EMMC_SRAM_DESC_BUF_OFF 0x200
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#define SD_EMMC_SRAM_DATA_BUF_OFF 0x400
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#define SD_EMMC_SRAM_DATA_BUF_LEN 1024
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#define SD_EMMC_SRAM_DESC_BUF_OFF_V8 0x400
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#define SD_EMMC_SRAM_DATA_BUF_OFF_V8 0x800
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#define SD_EMMC_SRAM_DATA_BUF_LEN_V8 2048
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#define SD_EMMC_MAX_SEGS 256
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#define SD_EMMC_MAX_REQ_SIZE (128 * 1024)
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#define SD_EMMC_MAX_SEG_SIZE (64 * 1024)
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#define SD_EMMC_CFG_BLK_SIZE 512 /* internal buffer max: 512 bytes */
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#define SD_EMMC_CFG_RESP_TIMEOUT 256 /* in clock cycles */
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#define SD_EMMC_CMD_TIMEOUT 1024 /* in ms */
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#define SD_EMMC_CMD_TIMEOUT_DATA 4096 /* in ms */
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#define SD_EMMC_CFG_CMD_GAP 16 /* in clock cycles */
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#define SD_EMMC_DESC_BUF_LEN (2 * PAGE_SIZE)
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#define SD_EMMC_PRE_REQ_DONE BIT(0)
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#define SD_EMMC_DESC_CHAIN_MODE BIT(1)
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#define MUX_CLK_NUM_PARENTS 2
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#define CMD_CFG_LENGTH_MASK GENMASK(8, 0)
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#define CMD_CFG_BLOCK_MODE BIT(9)
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#define CMD_CFG_R1B BIT(10)
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#define CMD_CFG_END_OF_CHAIN BIT(11)
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#define CMD_CFG_TIMEOUT_MASK GENMASK(15, 12)
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#define CMD_CFG_NO_RESP BIT(16)
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#define CMD_CFG_NO_CMD BIT(17)
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#define CMD_CFG_DATA_IO BIT(18)
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#define CMD_CFG_DATA_WR BIT(19)
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#define CMD_CFG_RESP_NOCRC BIT(20)
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#define CMD_CFG_RESP_128 BIT(21)
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#define CMD_CFG_RESP_NUM BIT(22)
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#define CMD_CFG_DATA_NUM BIT(23)
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#define CMD_CFG_CMD_INDEX_MASK GENMASK(29, 24)
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#define CMD_CFG_LINK BIT(30)
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#define CMD_CFG_OWNER BIT(31)
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#define CMD_DATA_MASK GENMASK(31, 2)
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#define CMD_DATA_BIG_ENDIAN BIT(1)
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#define CMD_DATA_SRAM BIT(0)
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#define CMD_RESP_MASK GENMASK(31, 1)
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#define CMD_RESP_SRAM BIT(0)
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#define EMMC_SDIO_CLOCK_FELD 0Xffff
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#define CALI_HS_50M_ADJUST 0
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#define ERROR 1
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#define FIXED 2
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#define SZ_1M 0x00100000
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#define MMC_PATTERN_NAME "pattern"
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#define MMC_PATTERN_OFFSET ((SZ_1M * (36 + 3)) / 512)
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#define MMC_MAGIC_NAME "magic"
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#define MMC_MAGIC_OFFSET ((SZ_1M * (36 + 6)) / 512)
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#define MMC_RANDOM_NAME "random"
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#define MMC_RANDOM_OFFSET ((SZ_1M * (36 + 7)) / 512)
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#define MMC_DTB_NAME "dtb"
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#define MMC_DTB_OFFSET ((SZ_1M * (36 + 4)) / 512)
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#define CALI_BLK_CNT 80
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#define CALI_HS_50M_ADJUST 0
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#define EMMC_SDIO_CLOCK_FELD 0Xffff
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#define MMC_PM_TIMEOUT (2000)
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#define ERROR 1
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#define FIXED 2
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#define RETUNING 3
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#define DATA3_PINMUX_MASK GENMASK(15, 12)
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#define TUNING_NUM_PER_POINT 40
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#define MAX_TUNING_RETRY 4
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#define AML_FIXED_ADJ_MAX 6
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#define AML_FIXED_ADJ_MIN 5
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#define AML_FIXADJ_STEP 4
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#define ADJ_WIN_PRINT_MAXLEN 256
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#define NO_FIXED_ADJ_MID BIT(31)
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#define AML_MV_DLY2_NOMMC_CMD(x) ((x) << 24)
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#define SD_EMMC_FIXED_ADJ_HS200
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#define EMMC_CMD_WIN_MAX_SIZE 50
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#define EMMC_CMD_WIN_FULL_SIZE 64
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#define DBG_COMMON BIT(0)
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#define DBG_HS200 BIT(1)
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#define Print_dbg(dbg_level, fmt, args...) do {\
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if ((dbg_level) & mmc_debug) \
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pr_info("[%s]" fmt, __func__, ##args); \
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} while (0)
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/* delay_cell=70ps,1ns/delay_cell */
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#define DELAY_CELL_COUNTS 14
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/* emmc partition */
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#define MMC_TUNING_OFFSET 0X14400
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#define RESULT_OK 0
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#define RESULT_FAIL 1
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#define RESULT_UNSUP_HOST 2
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#define RESULT_UNSUP_CARD 3
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/* Host attributes */
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#define AML_CQE_64BIT_DMA BIT(0)
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#define AML_NONCQE_64BIT_DMA BIT(1)
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/* Set to 1 for no timeout */
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#define SD_EMMC_CMD_NO_TIMEOUT 1
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/* Set to 32.768s for max timeout */
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#define SD_EMMC_CMD_MAX_TIMEOUT (32768)
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/* Port from block.c */
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#define MMC_EXTRACT_INDEX_FROM_ARG(x) (((x) & 0x00FF0000) >> 16)
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#endif /*__AML_SD_H__*/
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