mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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312 lines
12 KiB
C
312 lines
12 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018 CTCaer
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef FUSEE_SDMMC_CORE_H
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#define FUSEE_SDMMC_CORE_H
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#include "sdmmc_tegra.h"
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/* Bounce buffer */
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#define SDMMC_BOUNCE_BUFFER_ADDRESS 0x90000000
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/* Present state */
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#define SDHCI_CMD_INHIBIT 0x00000001
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#define SDHCI_DATA_INHIBIT 0x00000002
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#define SDHCI_DOING_WRITE 0x00000100
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#define SDHCI_DOING_READ 0x00000200
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#define SDHCI_SPACE_AVAILABLE 0x00000400
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#define SDHCI_DATA_AVAILABLE 0x00000800
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#define SDHCI_CARD_PRESENT 0x00010000
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#define SDHCI_WRITE_PROTECT 0x00080000
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#define SDHCI_DATA_LVL_MASK 0x00F00000
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#define SDHCI_DATA_LVL_SHIFT 20
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#define SDHCI_DATA_0_LVL_MASK 0x00100000
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#define SDHCI_CMD_LVL 0x01000000
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/* SDHCI clock control */
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#define SDHCI_DIVIDER_SHIFT 8
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#define SDHCI_DIVIDER_HI_SHIFT 6
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#define SDHCI_DIV_MASK 0xFF
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#define SDHCI_DIV_MASK_LEN 8
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#define SDHCI_DIV_HI_MASK 0x300
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#define SDHCI_PROG_CLOCK_MODE 0x0020
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#define SDHCI_CLOCK_CARD_EN 0x0004
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#define SDHCI_CLOCK_INT_STABLE 0x0002
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#define SDHCI_CLOCK_INT_EN 0x0001
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/* SDHCI host control */
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#define SDHCI_CTRL_LED 0x01
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#define SDHCI_CTRL_4BITBUS 0x02
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#define SDHCI_CTRL_HISPD 0x04
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#define SDHCI_CTRL_DMA_MASK 0x18
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#define SDHCI_CTRL_SDMA 0x00
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#define SDHCI_CTRL_ADMA1 0x08
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#define SDHCI_CTRL_ADMA32 0x10
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#define SDHCI_CTRL_ADMA64 0x18
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#define SDHCI_CTRL_8BITBUS 0x20
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#define SDHCI_CTRL_CDTEST_INS 0x40
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#define SDHCI_CTRL_CDTEST_EN 0x80
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/* SDHCI host control 2 */
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#define SDHCI_CTRL_UHS_MASK 0x0007
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#define SDHCI_CTRL_UHS_SDR12 0x0000
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#define SDHCI_CTRL_UHS_SDR25 0x0001
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#define SDHCI_CTRL_UHS_SDR50 0x0002
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#define SDHCI_CTRL_UHS_SDR104 0x0003
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#define SDHCI_CTRL_UHS_DDR50 0x0004
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#define SDHCI_CTRL_HS400 0x0005
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#define SDHCI_CTRL_VDD_180 0x0008
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#define SDHCI_CTRL_DRV_TYPE_MASK 0x0030
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#define SDHCI_CTRL_DRV_TYPE_B 0x0000
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#define SDHCI_CTRL_DRV_TYPE_A 0x0010
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#define SDHCI_CTRL_DRV_TYPE_C 0x0020
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#define SDHCI_CTRL_DRV_TYPE_D 0x0030
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#define SDHCI_CTRL_EXEC_TUNING 0x0040
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#define SDHCI_CTRL_TUNED_CLK 0x0080
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#define SDHCI_UHS2_IF_EN 0x0100
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#define SDHCI_HOST_VERSION_4_EN 0x1000
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#define SDHCI_ADDRESSING_64BIT_EN 0x2000
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#define SDHCI_ASYNC_INTR_EN 0x4000
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#define SDHCI_CTRL_PRESET_VAL_ENABLE 0x8000
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/* SDHCI capabilities */
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#define SDHCI_CAN_DO_8BIT 0x00040000
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#define SDHCI_CAN_DO_ADMA2 0x00080000
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#define SDHCI_CAN_DO_ADMA1 0x00100000
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#define SDHCI_CAN_DO_HISPD 0x00200000
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#define SDHCI_CAN_DO_SDMA 0x00400000
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#define SDHCI_CAN_VDD_330 0x01000000
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#define SDHCI_CAN_VDD_300 0x02000000
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#define SDHCI_CAN_VDD_180 0x04000000
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#define SDHCI_CAN_64BIT 0x10000000
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#define SDHCI_ASYNC_INTR 0x20000000
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/* Vendor clock control */
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#define SDMMC_CLOCK_TAP_MASK (0xFF << 16)
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#define SDMMC_CLOCK_TAP_SDMMC1 (0x04 << 16)
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#define SDMMC_CLOCK_TAP_SDMMC2 (0x00 << 16)
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#define SDMMC_CLOCK_TAP_SDMMC3 (0x03 << 16)
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#define SDMMC_CLOCK_TAP_SDMMC4 (0x00 << 16)
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#define SDMMC_CLOCK_TRIM_MASK (0xFF << 24)
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#define SDMMC_CLOCK_TRIM_SDMMC1_ERISTA (0x02 << 24)
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#define SDMMC_CLOCK_TRIM_SDMMC1_MARIKO (0x0E << 24)
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#define SDMMC_CLOCK_TRIM_SDMMC2_ERISTA (0x08 << 24)
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#define SDMMC_CLOCK_TRIM_SDMMC2_MARIKO (0x0D << 24)
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#define SDMMC_CLOCK_TRIM_SDMMC3 (0x03 << 24)
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#define SDMMC_CLOCK_TRIM_SDMMC4_ERISTA (0x08 << 24)
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#define SDMMC_CLOCK_TRIM_SDMMC4_MARIKO (0x0D << 24)
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#define SDMMC_CLOCK_SPI_MODE_CLKEN_OVERRIDE (1 << 2)
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#define SDMMC_CLOCK_PADPIPE_CLKEN_OVERRIDE (1 << 3)
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/* Autocal configuration */
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#define SDMMC_AUTOCAL_PDPU_CONFIG_MASK 0x7F7F
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#define SDMMC_AUTOCAL_PDPU_SDMMC1_1V8_ERISTA 0x7B7B
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#define SDMMC_AUTOCAL_PDPU_SDMMC1_1V8_MARIKO 0x0606
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#define SDMMC_AUTOCAL_PDPU_SDMMC1_3V3_ERISTA 0x7D00
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#define SDMMC_AUTOCAL_PDPU_SDMMC1_3V3_MARIKO 0x0000
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#define SDMMC_AUTOCAL_PDPU_SDMMC4_1V8 0x0505
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#define SDMMC_AUTOCAL_START (1 << 31)
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#define SDMMC_AUTOCAL_ENABLE (1 << 29)
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/* Autocal status */
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#define SDMMC_AUTOCAL_ACTIVE (1 << 31)
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/* Vendor tuning control 0*/
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#define SDMMC_VENDOR_TUNING_TRIES_MASK (0x7 << 13)
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#define SDMMC_VENDOR_TUNING_TRIES_SHIFT 13
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#define SDMMC_VENDOR_TUNING_MULTIPLIER_MASK (0x7F << 6)
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#define SDMMC_VENDOR_TUNING_MULTIPLIER_UNITY (1 << 6)
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#define SDMMC_VENDOR_TUNING_DIVIDER_MASK (0x7 << 3)
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#define SDMMC_VENDOR_TUNING_SET_BY_HW (1 << 17)
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/* Vendor tuning control 1*/
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#define SDMMC_VENDOR_TUNING_STEP_SIZE_SDR50_DEFAULT (0 << 0)
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#define SDMMC_VENDOR_TUNING_STEP_SIZE_SDR104_DEFAULT (0 << 4)
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/* Vendor capability overrides */
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#define SDMMC_VENDOR_CAPABILITY_DQS_TRIM_MASK (0x3F << 8)
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#define SDMMC_VENDOR_CAPABILITY_DQS_TRIM_HS400 (0x11 << 8)
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/* Timeouts */
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#define SDMMC_AUTOCAL_TIMEOUT (10 * 1000)
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#define SDMMC_TUNING_TIMEOUT (150 * 1000)
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/* Command response flags */
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#define SDMMC_RSP_PRESENT (1 << 0)
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#define SDMMC_RSP_136 (1 << 1)
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#define SDMMC_RSP_CRC (1 << 2)
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#define SDMMC_RSP_BUSY (1 << 3)
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#define SDMMC_RSP_OPCODE (1 << 4)
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/* Command types */
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#define SDMMC_CMD_MASK (3 << 5)
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#define SDMMC_CMD_AC (0 << 5)
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#define SDMMC_CMD_ADTC (1 << 5)
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#define SDMMC_CMD_BC (2 << 5)
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#define SDMMC_CMD_BCR (3 << 5)
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/* SPI command response flags */
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#define SDMMC_RSP_SPI_S1 (1 << 7)
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#define SDMMC_RSP_SPI_S2 (1 << 8)
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#define SDMMC_RSP_SPI_B4 (1 << 9)
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#define SDMMC_RSP_SPI_BUSY (1 << 10)
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/* Native response types for commands */
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#define SDMMC_RSP_NONE (0)
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#define SDMMC_RSP_R1 (SDMMC_RSP_PRESENT|SDMMC_RSP_CRC|SDMMC_RSP_OPCODE)
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#define SDMMC_RSP_R1B (SDMMC_RSP_PRESENT|SDMMC_RSP_CRC|SDMMC_RSP_OPCODE|SDMMC_RSP_BUSY)
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#define SDMMC_RSP_R2 (SDMMC_RSP_PRESENT|SDMMC_RSP_136|SDMMC_RSP_CRC)
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#define SDMMC_RSP_R3 (SDMMC_RSP_PRESENT)
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#define SDMMC_RSP_R4 (SDMMC_RSP_PRESENT)
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#define SDMMC_RSP_R5 (SDMMC_RSP_PRESENT|SDMMC_RSP_CRC|SDMMC_RSP_OPCODE)
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#define SDMMC_RSP_R6 (SDMMC_RSP_PRESENT|SDMMC_RSP_CRC|SDMMC_RSP_OPCODE)
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#define SDMMC_RSP_R7 (SDMMC_RSP_PRESENT|SDMMC_RSP_CRC|SDMMC_RSP_OPCODE)
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#define SDMMC_RSP_R1_NO_CRC (SDMMC_RSP_PRESENT|SDMMC_RSP_OPCODE)
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/* SPI response types for commands */
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#define SDMMC_RSP_SPI_R1 (SDMMC_RSP_SPI_S1)
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#define SDMMC_RSP_SPI_R1B (SDMMC_RSP_SPI_S1|SDMMC_RSP_SPI_BUSY)
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#define SDMMC_RSP_SPI_R2 (SDMMC_RSP_SPI_S1|SDMMC_RSP_SPI_S2)
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#define SDMMC_RSP_SPI_R3 (SDMMC_RSP_SPI_S1|SDMMC_RSP_SPI_B4)
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#define SDMMC_RSP_SPI_R4 (SDMMC_RSP_SPI_S1|SDMMC_RSP_SPI_B4)
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#define SDMMC_RSP_SPI_R5 (SDMMC_RSP_SPI_S1|SDMMC_RSP_SPI_S2)
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#define SDMMC_RSP_SPI_R7 (SDMMC_RSP_SPI_S1|SDMMC_RSP_SPI_B4)
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/* SDMMC controllers */
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typedef enum {
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SDMMC_1 = 0,
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SDMMC_2 = 1,
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SDMMC_3 = 2,
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SDMMC_4 = 3
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} SdmmcControllerNum;
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typedef enum {
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SDMMC_PARTITION_INVALID = -1,
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SDMMC_PARTITION_USER = 0,
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SDMMC_PARTITION_BOOT0 = 1,
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SDMMC_PARTITION_BOOT1 = 2,
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SDMMC_PARTITION_RPMB = 3
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} SdmmcPartitionNum;
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typedef enum {
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SDMMC_VOLTAGE_NONE = 0,
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SDMMC_VOLTAGE_1V8 = 1,
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SDMMC_VOLTAGE_3V3 = 2
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} SdmmcBusVoltage;
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typedef enum {
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SDMMC_BUS_WIDTH_1BIT = 0,
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SDMMC_BUS_WIDTH_4BIT = 1,
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SDMMC_BUS_WIDTH_8BIT = 2
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} SdmmcBusWidth;
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typedef enum {
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SDMMC_SPEED_MMC_IDENT = 0,
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SDMMC_SPEED_MMC_LEGACY = 1,
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SDMMC_SPEED_MMC_HS = 2,
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SDMMC_SPEED_MMC_HS200 = 3,
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SDMMC_SPEED_MMC_HS400 = 4,
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SDMMC_SPEED_SD_IDENT = 5,
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SDMMC_SPEED_SD_DS = 6,
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SDMMC_SPEED_SD_HS = 7,
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SDMMC_SPEED_SD_SDR12 = 8,
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SDMMC_SPEED_SD_SDR25 = 9,
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SDMMC_SPEED_SD_SDR50 = 10,
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SDMMC_SPEED_SD_SDR104 = 11,
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SDMMC_SPEED_SD_DDR50 = 12,
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SDMMC_SPEED_GC_ASIC_FPGA = 13,
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SDMMC_SPEED_GC_ASIC = 14,
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SDMMC_SPEED_EMU_SDR104 = 255, /* Custom speed mode. Prevents low voltage switch in MMC emulation. */
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} SdmmcBusSpeed;
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typedef enum {
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SDMMC_CAR_DIVIDER_MMC_LEGACY = 30, /* (16 * 2) - 2 */
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SDMMC_CAR_DIVIDER_MMC_HS = 14, /* (8 * 2) - 2 */
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SDMMC_CAR_DIVIDER_MMC_HS200 = 3, /* (2.5 * 2) - 2 (for PLLP_OUT0, same as HS400) */
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SDMMC_CAR_DIVIDER_SD_SDR12 = 31, /* (16.5 * 2) - 2 */
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SDMMC_CAR_DIVIDER_SD_SDR25 = 15, /* (8.5 * 2) - 2 */
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SDMMC_CAR_DIVIDER_SD_SDR50 = 7, /* (4.5 * 2) - 2 */
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SDMMC_CAR_DIVIDER_SD_SDR104 = 2, /* (2 * 2) - 2 */
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SDMMC_CAR_DIVIDER_GC_ASIC_FPGA = 18, /* (5 * 2 * 2) - 2 */
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} SdmmcCarDivider;
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/* Structure for describing a SDMMC device. */
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typedef struct {
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/* Controller number */
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SdmmcControllerNum controller;
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/* Backing register space */
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volatile tegra_sdmmc_t *regs;
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/* Controller properties */
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const char *name;
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bool has_sd;
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bool is_clk_running;
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bool is_sd_clk_enabled;
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bool is_tuning_tap_val_set;
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bool use_adma;
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uint32_t tap_val;
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uint32_t internal_divider;
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uint32_t resp[4];
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uint32_t resp_auto_cmd12;
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uint32_t next_dma_addr;
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uint8_t* dma_bounce_buf;
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SdmmcBusVoltage bus_voltage;
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SdmmcBusWidth bus_width;
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/* Per-controller operations. */
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int (*sdmmc_config)();
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} sdmmc_t;
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/* Structure for describing a SDMMC command. */
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typedef struct {
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uint32_t opcode;
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uint32_t arg;
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uint32_t resp[4];
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uint32_t flags; /* Expected response type. */
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} sdmmc_command_t;
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/* Structure for describing a SDMMC request. */
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typedef struct {
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void* data;
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uint32_t blksz;
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uint32_t num_blocks;
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bool is_multi_block;
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bool is_read;
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bool is_auto_cmd12;
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} sdmmc_request_t;
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int sdmmc_init(sdmmc_t *sdmmc, SdmmcControllerNum controller, SdmmcBusVoltage bus_voltage, SdmmcBusWidth bus_width, SdmmcBusSpeed bus_speed);
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void sdmmc_finish(sdmmc_t *sdmmc);
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int sdmmc_select_speed(sdmmc_t *sdmmc, SdmmcBusSpeed bus_speed);
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void sdmmc_select_bus_width(sdmmc_t *sdmmc, SdmmcBusWidth width);
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void sdmmc_select_voltage(sdmmc_t *sdmmc, SdmmcBusVoltage voltage);
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void sdmmc_adjust_sd_clock(sdmmc_t *sdmmc);
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int sdmmc_switch_voltage(sdmmc_t *sdmmc);
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void sdmmc_set_tuning_tap_val(sdmmc_t *sdmmc);
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int sdmmc_execute_tuning(sdmmc_t *sdmmc, SdmmcBusSpeed bus_speed, uint32_t opcode);
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int sdmmc_send_cmd(sdmmc_t *sdmmc, sdmmc_command_t *cmd, sdmmc_request_t *req, uint32_t *num_blocks_out);
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int sdmmc_load_response(sdmmc_t *sdmmc, uint32_t flags, uint32_t *resp);
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int sdmmc_abort(sdmmc_t *sdmmc, uint32_t opcode);
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void sdmmc_error(sdmmc_t *sdmmc, char *fmt, ...);
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void sdmmc_warn(sdmmc_t *sdmmc, char *fmt, ...);
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void sdmmc_info(sdmmc_t *sdmmc, char *fmt, ...);
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void sdmmc_debug(sdmmc_t *sdmmc, char *fmt, ...);
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void sdmmc_dump_regs(sdmmc_t *sdmmc);
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#endif
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