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-rw-r--r--include/linux/alcor_pci.h286
-rw-r--r--include/linux/mfd/tmio.h9
-rw-r--r--include/linux/mmc/host.h5
-rw-r--r--include/linux/mmc/slot-gpio.h5
-rw-r--r--include/linux/platform_data/mmc-esdhc-imx.h4
-rw-r--r--include/linux/platform_data/mmc-pxamci.h4
-rw-r--r--include/linux/platform_data/mmc-s3cmci.h4
-rw-r--r--include/linux/spi/mmc_spi.h15
8 files changed, 292 insertions, 40 deletions
diff --git a/include/linux/alcor_pci.h b/include/linux/alcor_pci.h
new file mode 100644
index 000000000000..da973e8a2da8
--- /dev/null
+++ b/include/linux/alcor_pci.h
@@ -0,0 +1,286 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 Oleksij Rempel <linux@rempel-privat.de>
+ *
+ * Driver for Alcor Micro AU6601 and AU6621 controllers
+ */
+
+#ifndef __ALCOR_PCI_H
+#define __ALCOR_PCI_H
+
+#define ALCOR_SD_CARD 0
+#define ALCOR_MS_CARD 1
+
+#define DRV_NAME_ALCOR_PCI_SDMMC "alcor_sdmmc"
+#define DRV_NAME_ALCOR_PCI_MS "alcor_ms"
+
+#define PCI_ID_ALCOR_MICRO 0x1AEA
+#define PCI_ID_AU6601 0x6601
+#define PCI_ID_AU6621 0x6621
+
+#define MHZ_TO_HZ(freq) ((freq) * 1000 * 1000)
+
+#define AU6601_BASE_CLOCK 31000000
+#define AU6601_MIN_CLOCK 150000
+#define AU6601_MAX_CLOCK 208000000
+#define AU6601_MAX_DMA_SEGMENTS 1
+#define AU6601_MAX_PIO_SEGMENTS 1
+#define AU6601_MAX_DMA_BLOCK_SIZE 0x1000
+#define AU6601_MAX_PIO_BLOCK_SIZE 0x200
+#define AU6601_MAX_DMA_BLOCKS 1
+#define AU6601_DMA_LOCAL_SEGMENTS 1
+
+/* registers spotter by reverse engineering but still
+ * with unknown functionality:
+ * 0x10 - ADMA phy address. AU6621 only?
+ * 0x51 - LED ctrl?
+ * 0x52 - unknown
+ * 0x61 - LED related? Always toggled BIT0
+ * 0x63 - Same as 0x61?
+ * 0x77 - unknown
+ */
+
+/* SDMA phy address. Higher then 0x0800.0000?
+ * The au6601 and au6621 have different DMA engines with different issues. One
+ * For example au6621 engine is triggered by addr change. No other interaction
+ * is needed. This means, if we get two buffers with same address, then engine
+ * will stall.
+ */
+#define AU6601_REG_SDMA_ADDR 0x00
+#define AU6601_SDMA_MASK 0xffffffff
+
+#define AU6601_DMA_BOUNDARY 0x05
+#define AU6621_DMA_PAGE_CNT 0x05
+/* PIO */
+#define AU6601_REG_BUFFER 0x08
+/* ADMA ctrl? AU6621 only. */
+#define AU6621_DMA_CTRL 0x0c
+#define AU6621_DMA_ENABLE BIT(0)
+/* CMD index */
+#define AU6601_REG_CMD_OPCODE 0x23
+/* CMD parametr */
+#define AU6601_REG_CMD_ARG 0x24
+/* CMD response 4x4 Bytes */
+#define AU6601_REG_CMD_RSP0 0x30
+#define AU6601_REG_CMD_RSP1 0x34
+#define AU6601_REG_CMD_RSP2 0x38
+#define AU6601_REG_CMD_RSP3 0x3C
+/* default timeout set to 125: 125 * 40ms = 5 sec
+ * how exactly it is calculated?
+ */
+#define AU6601_TIME_OUT_CTRL 0x69
+/* Block size for SDMA or PIO */
+#define AU6601_REG_BLOCK_SIZE 0x6c
+/* Some power related reg, used together with AU6601_OUTPUT_ENABLE */
+#define AU6601_POWER_CONTROL 0x70
+
+/* PLL ctrl */
+#define AU6601_CLK_SELECT 0x72
+#define AU6601_CLK_OVER_CLK 0x80
+#define AU6601_CLK_384_MHZ 0x30
+#define AU6601_CLK_125_MHZ 0x20
+#define AU6601_CLK_48_MHZ 0x10
+#define AU6601_CLK_EXT_PLL 0x04
+#define AU6601_CLK_X2_MODE 0x02
+#define AU6601_CLK_ENABLE 0x01
+#define AU6601_CLK_31_25_MHZ 0x00
+
+#define AU6601_CLK_DIVIDER 0x73
+
+#define AU6601_INTERFACE_MODE_CTRL 0x74
+#define AU6601_DLINK_MODE 0x80
+#define AU6601_INTERRUPT_DELAY_TIME 0x40
+#define AU6601_SIGNAL_REQ_CTRL 0x30
+#define AU6601_MS_CARD_WP BIT(3)
+#define AU6601_SD_CARD_WP BIT(0)
+
+/* same register values are used for:
+ * - AU6601_OUTPUT_ENABLE
+ * - AU6601_POWER_CONTROL
+ */
+#define AU6601_ACTIVE_CTRL 0x75
+#define AU6601_XD_CARD BIT(4)
+/* AU6601_MS_CARD_ACTIVE - will cativate MS card section? */
+#define AU6601_MS_CARD BIT(3)
+#define AU6601_SD_CARD BIT(0)
+
+/* card slot state. It should automatically detect type of
+ * the card
+ */
+#define AU6601_DETECT_STATUS 0x76
+#define AU6601_DETECT_EN BIT(7)
+#define AU6601_MS_DETECTED BIT(3)
+#define AU6601_SD_DETECTED BIT(0)
+#define AU6601_DETECT_STATUS_M 0xf
+
+#define AU6601_REG_SW_RESET 0x79
+#define AU6601_BUF_CTRL_RESET BIT(7)
+#define AU6601_RESET_DATA BIT(3)
+#define AU6601_RESET_CMD BIT(0)
+
+#define AU6601_OUTPUT_ENABLE 0x7a
+
+#define AU6601_PAD_DRIVE0 0x7b
+#define AU6601_PAD_DRIVE1 0x7c
+#define AU6601_PAD_DRIVE2 0x7d
+/* read EEPROM? */
+#define AU6601_FUNCTION 0x7f
+
+#define AU6601_CMD_XFER_CTRL 0x81
+#define AU6601_CMD_17_BYTE_CRC 0xc0
+#define AU6601_CMD_6_BYTE_WO_CRC 0x80
+#define AU6601_CMD_6_BYTE_CRC 0x40
+#define AU6601_CMD_START_XFER 0x20
+#define AU6601_CMD_STOP_WAIT_RDY 0x10
+#define AU6601_CMD_NO_RESP 0x00
+
+#define AU6601_REG_BUS_CTRL 0x82
+#define AU6601_BUS_WIDTH_4BIT 0x20
+#define AU6601_BUS_WIDTH_8BIT 0x10
+#define AU6601_BUS_WIDTH_1BIT 0x00
+
+#define AU6601_DATA_XFER_CTRL 0x83
+#define AU6601_DATA_WRITE BIT(7)
+#define AU6601_DATA_DMA_MODE BIT(6)
+#define AU6601_DATA_START_XFER BIT(0)
+
+#define AU6601_DATA_PIN_STATE 0x84
+#define AU6601_BUS_STAT_CMD BIT(15)
+/* BIT(4) - BIT(7) are permanently 1.
+ * May be reserved or not attached DAT4-DAT7
+ */
+#define AU6601_BUS_STAT_DAT3 BIT(3)
+#define AU6601_BUS_STAT_DAT2 BIT(2)
+#define AU6601_BUS_STAT_DAT1 BIT(1)
+#define AU6601_BUS_STAT_DAT0 BIT(0)
+#define AU6601_BUS_STAT_DAT_MASK 0xf
+
+#define AU6601_OPT 0x85
+#define AU6601_OPT_CMD_LINE_LEVEL 0x80
+#define AU6601_OPT_NCRC_16_CLK BIT(4)
+#define AU6601_OPT_CMD_NWT BIT(3)
+#define AU6601_OPT_STOP_CLK BIT(2)
+#define AU6601_OPT_DDR_MODE BIT(1)
+#define AU6601_OPT_SD_18V BIT(0)
+
+#define AU6601_CLK_DELAY 0x86
+#define AU6601_CLK_DATA_POSITIVE_EDGE 0x80
+#define AU6601_CLK_CMD_POSITIVE_EDGE 0x40
+#define AU6601_CLK_POSITIVE_EDGE_ALL (AU6601_CLK_CMD_POSITIVE_EDGE \
+ | AU6601_CLK_DATA_POSITIVE_EDGE)
+
+
+#define AU6601_REG_INT_STATUS 0x90
+#define AU6601_REG_INT_ENABLE 0x94
+#define AU6601_INT_DATA_END_BIT_ERR BIT(22)
+#define AU6601_INT_DATA_CRC_ERR BIT(21)
+#define AU6601_INT_DATA_TIMEOUT_ERR BIT(20)
+#define AU6601_INT_CMD_INDEX_ERR BIT(19)
+#define AU6601_INT_CMD_END_BIT_ERR BIT(18)
+#define AU6601_INT_CMD_CRC_ERR BIT(17)
+#define AU6601_INT_CMD_TIMEOUT_ERR BIT(16)
+#define AU6601_INT_ERROR BIT(15)
+#define AU6601_INT_OVER_CURRENT_ERR BIT(8)
+#define AU6601_INT_CARD_INSERT BIT(7)
+#define AU6601_INT_CARD_REMOVE BIT(6)
+#define AU6601_INT_READ_BUF_RDY BIT(5)
+#define AU6601_INT_WRITE_BUF_RDY BIT(4)
+#define AU6601_INT_DMA_END BIT(3)
+#define AU6601_INT_DATA_END BIT(1)
+#define AU6601_INT_CMD_END BIT(0)
+
+#define AU6601_INT_NORMAL_MASK 0x00007FFF
+#define AU6601_INT_ERROR_MASK 0xFFFF8000
+
+#define AU6601_INT_CMD_MASK (AU6601_INT_CMD_END | \
+ AU6601_INT_CMD_TIMEOUT_ERR | AU6601_INT_CMD_CRC_ERR | \
+ AU6601_INT_CMD_END_BIT_ERR | AU6601_INT_CMD_INDEX_ERR)
+#define AU6601_INT_DATA_MASK (AU6601_INT_DATA_END | AU6601_INT_DMA_END | \
+ AU6601_INT_READ_BUF_RDY | AU6601_INT_WRITE_BUF_RDY | \
+ AU6601_INT_DATA_TIMEOUT_ERR | AU6601_INT_DATA_CRC_ERR | \
+ AU6601_INT_DATA_END_BIT_ERR)
+#define AU6601_INT_ALL_MASK ((u32)-1)
+
+/* MS_CARD mode registers */
+
+#define AU6601_MS_STATUS 0xa0
+
+#define AU6601_MS_BUS_MODE_CTRL 0xa1
+#define AU6601_MS_BUS_8BIT_MODE 0x03
+#define AU6601_MS_BUS_4BIT_MODE 0x01
+#define AU6601_MS_BUS_1BIT_MODE 0x00
+
+#define AU6601_MS_TPC_CMD 0xa2
+#define AU6601_MS_TPC_READ_PAGE_DATA 0x02
+#define AU6601_MS_TPC_READ_REG 0x04
+#define AU6601_MS_TPC_GET_INT 0x07
+#define AU6601_MS_TPC_WRITE_PAGE_DATA 0x0D
+#define AU6601_MS_TPC_WRITE_REG 0x0B
+#define AU6601_MS_TPC_SET_RW_REG_ADRS 0x08
+#define AU6601_MS_TPC_SET_CMD 0x0E
+#define AU6601_MS_TPC_EX_SET_CMD 0x09
+#define AU6601_MS_TPC_READ_SHORT_DATA 0x03
+#define AU6601_MS_TPC_WRITE_SHORT_DATA 0x0C
+
+#define AU6601_MS_TRANSFER_MODE 0xa3
+#define AU6601_MS_XFER_INT_TIMEOUT_CHK BIT(2)
+#define AU6601_MS_XFER_DMA_ENABLE BIT(1)
+#define AU6601_MS_XFER_START BIT(0)
+
+#define AU6601_MS_DATA_PIN_STATE 0xa4
+
+#define AU6601_MS_INT_STATUS 0xb0
+#define AU6601_MS_INT_ENABLE 0xb4
+#define AU6601_MS_INT_OVER_CURRENT_ERROR BIT(23)
+#define AU6601_MS_INT_DATA_CRC_ERROR BIT(21)
+#define AU6601_MS_INT_INT_TIMEOUT BIT(20)
+#define AU6601_MS_INT_INT_RESP_ERROR BIT(19)
+#define AU6601_MS_INT_CED_ERROR BIT(18)
+#define AU6601_MS_INT_TPC_TIMEOUT BIT(16)
+#define AU6601_MS_INT_ERROR BIT(15)
+#define AU6601_MS_INT_CARD_INSERT BIT(7)
+#define AU6601_MS_INT_CARD_REMOVE BIT(6)
+#define AU6601_MS_INT_BUF_READ_RDY BIT(5)
+#define AU6601_MS_INT_BUF_WRITE_RDY BIT(4)
+#define AU6601_MS_INT_DMA_END BIT(3)
+#define AU6601_MS_INT_TPC_END BIT(1)
+
+#define AU6601_MS_INT_DATA_MASK 0x00000038
+#define AU6601_MS_INT_TPC_MASK 0x003d8002
+#define AU6601_MS_INT_TPC_ERROR 0x003d0000
+
+#define ALCOR_PCIE_LINK_CTRL_OFFSET 0x10
+#define ALCOR_PCIE_LINK_CAP_OFFSET 0x0c
+#define ALCOR_CAP_START_OFFSET 0x34
+
+struct alcor_dev_cfg {
+ u8 dma;
+};
+
+struct alcor_pci_priv {
+ struct pci_dev *pdev;
+ struct pci_dev *parent_pdev;
+ struct device *dev;
+ void __iomem *iobase;
+ unsigned int irq;
+
+ unsigned long id; /* idr id */
+
+ struct alcor_dev_cfg *cfg;
+
+ /* PCI ASPM related vars */
+ int pdev_cap_off;
+ u8 pdev_aspm_cap;
+ int parent_cap_off;
+ u8 parent_aspm_cap;
+ u8 ext_config_dev_aspm;
+};
+
+void alcor_write8(struct alcor_pci_priv *priv, u8 val, unsigned int addr);
+void alcor_write16(struct alcor_pci_priv *priv, u16 val, unsigned int addr);
+void alcor_write32(struct alcor_pci_priv *priv, u32 val, unsigned int addr);
+void alcor_write32be(struct alcor_pci_priv *priv, u32 val, unsigned int addr);
+u8 alcor_read8(struct alcor_pci_priv *priv, unsigned int addr);
+u32 alcor_read32(struct alcor_pci_priv *priv, unsigned int addr);
+u32 alcor_read32be(struct alcor_pci_priv *priv, unsigned int addr);
+#endif
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index 1e70060c92ce..e2687a30e5a1 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -54,12 +54,8 @@
* idle before writing to some registers.
*/
#define TMIO_MMC_HAS_IDLE_WAIT BIT(4)
-/*
- * A GPIO is used for card hotplug detection. We need an extra flag for this,
- * because 0 is a valid GPIO number too, and requiring users to specify
- * cd_gpio < 0 to disable GPIO hotplug would break backwards compatibility.
- */
-#define TMIO_MMC_USE_GPIO_CD BIT(5)
+
+/* BIT(5) is unused */
/*
* Some controllers have CMD12 automatically
@@ -104,7 +100,6 @@ struct tmio_mmc_data {
unsigned long capabilities2;
unsigned long flags;
u32 ocr_mask; /* available voltages */
- unsigned int cd_gpio;
int alignment_shift;
dma_addr_t dma_rx_offset;
unsigned int max_blk_count;
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 2a5fe75dd082..4d35ff36ceff 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -147,6 +147,9 @@ struct mmc_host_ops {
/* Prepare HS400 target operating frequency depending host driver */
int (*prepare_hs400_tuning)(struct mmc_host *host, struct mmc_ios *ios);
+ /* Prepare switch to DDR during the HS400 init sequence */
+ int (*hs400_prepare_ddr)(struct mmc_host *host);
+
/* Prepare for switching from HS400 to HS200 */
void (*hs400_downgrade)(struct mmc_host *host);
@@ -331,7 +334,7 @@ struct mmc_host {
#define MMC_CAP_UHS (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | \
MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | \
MMC_CAP_UHS_DDR50)
-/* (1 << 21) is free for reuse */
+#define MMC_CAP_SYNC_RUNTIME_PM (1 << 21) /* Synced runtime PM suspends. */
#define MMC_CAP_DRIVER_TYPE_A (1 << 23) /* Host supports Driver Type A */
#define MMC_CAP_DRIVER_TYPE_C (1 << 24) /* Host supports Driver Type C */
#define MMC_CAP_DRIVER_TYPE_D (1 << 25) /* Host supports Driver Type D */
diff --git a/include/linux/mmc/slot-gpio.h b/include/linux/mmc/slot-gpio.h
index 06607c59c4d0..feebd7aa6f5c 100644
--- a/include/linux/mmc/slot-gpio.h
+++ b/include/linux/mmc/slot-gpio.h
@@ -17,12 +17,7 @@
struct mmc_host;
int mmc_gpio_get_ro(struct mmc_host *host);
-int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio);
-
int mmc_gpio_get_cd(struct mmc_host *host);
-int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio,
- unsigned int debounce);
-
int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
unsigned int idx, bool override_active_level,
unsigned int debounce, bool *gpio_invert);
diff --git a/include/linux/platform_data/mmc-esdhc-imx.h b/include/linux/platform_data/mmc-esdhc-imx.h
index 640dec8b5b0c..b606ca4197df 100644
--- a/include/linux/platform_data/mmc-esdhc-imx.h
+++ b/include/linux/platform_data/mmc-esdhc-imx.h
@@ -30,15 +30,11 @@ enum cd_types {
*
* ESDHC_WP(CD)_CONTROLLER type is not available on i.MX25/35.
*
- * @wp_gpio: gpio for write_protect
- * @cd_gpio: gpio for card_detect interrupt
* @wp_type: type of write_protect method (see wp_types enum above)
* @cd_type: type of card_detect method (see cd_types enum above)
*/
struct esdhc_platform_data {
- unsigned int wp_gpio;
- unsigned int cd_gpio;
enum wp_types wp_type;
enum cd_types cd_type;
int max_bus_width;
diff --git a/include/linux/platform_data/mmc-pxamci.h b/include/linux/platform_data/mmc-pxamci.h
index 752f97c62ef2..7e44e84e7150 100644
--- a/include/linux/platform_data/mmc-pxamci.h
+++ b/include/linux/platform_data/mmc-pxamci.h
@@ -15,11 +15,7 @@ struct pxamci_platform_data {
int (*get_ro)(struct device *);
int (*setpower)(struct device *, unsigned int);
void (*exit)(struct device *, void *);
- int gpio_card_detect; /* gpio detecting card insertion */
- int gpio_card_ro; /* gpio detecting read only toggle */
bool gpio_card_ro_invert; /* gpio ro is inverted */
- int gpio_power; /* gpio powering up MMC bus */
- bool gpio_power_invert; /* gpio power is inverted */
};
extern void pxa_set_mci_info(struct pxamci_platform_data *info);
diff --git a/include/linux/platform_data/mmc-s3cmci.h b/include/linux/platform_data/mmc-s3cmci.h
index b68d9f0bdd9e..33310b11cbdd 100644
--- a/include/linux/platform_data/mmc-s3cmci.h
+++ b/include/linux/platform_data/mmc-s3cmci.h
@@ -7,7 +7,6 @@
* @no_wprotect: Set this to indicate there is no write-protect switch.
* @no_detect: Set this if there is no detect switch.
* @wprotect_invert: Invert the default sense of the write protect switch.
- * @detect_invert: Invert the default sense of the write protect switch.
* @use_dma: Set to allow the use of DMA.
* @gpio_detect: GPIO number for the card detect line.
* @gpio_wprotect: GPIO number for the write protect line.
@@ -31,11 +30,8 @@ struct s3c24xx_mci_pdata {
unsigned int no_wprotect:1;
unsigned int no_detect:1;
unsigned int wprotect_invert:1;
- unsigned int detect_invert:1; /* set => detect active high */
unsigned int use_dma:1;
- unsigned int gpio_detect;
- unsigned int gpio_wprotect;
unsigned long ocr_avail;
void (*set_power)(unsigned char power_mode,
unsigned short vdd);
diff --git a/include/linux/spi/mmc_spi.h b/include/linux/spi/mmc_spi.h
index bfde741a543d..778ae8eb1f3e 100644
--- a/include/linux/spi/mmc_spi.h
+++ b/include/linux/spi/mmc_spi.h
@@ -8,11 +8,6 @@
struct device;
struct mmc_host;
-#define MMC_SPI_USE_CD_GPIO (1 << 0)
-#define MMC_SPI_USE_RO_GPIO (1 << 1)
-#define MMC_SPI_CD_GPIO_ACTIVE_LOW (1 << 2)
-#define MMC_SPI_RO_GPIO_ACTIVE_LOW (1 << 3)
-
/* Put this in platform_data of a device being used to manage an MMC/SD
* card slot. (Modeled after PXA mmc glue; see that for usage examples.)
*
@@ -27,16 +22,6 @@ struct mmc_spi_platform_data {
void *);
void (*exit)(struct device *, void *);
- /*
- * Card Detect and Read Only GPIOs. To enable debouncing on the card
- * detect GPIO, set the cd_debounce to the debounce time in
- * microseconds.
- */
- unsigned int flags;
- unsigned int cd_gpio;
- unsigned int cd_debounce;
- unsigned int ro_gpio;
-
/* Capabilities to pass into mmc core (e.g. MMC_CAP_NEEDS_POLL). */
unsigned long caps;
unsigned long caps2;