| /* |
| * linux/drivers/mmc/host/mmci.h - ARM PrimeCell MMCI PL180/1 driver |
| * |
| * Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| #define MMCIPOWER 0x000 |
| #define MCI_PWR_OFF 0x00 |
| #define MCI_PWR_UP 0x02 |
| #define MCI_PWR_ON 0x03 |
| #define MCI_OD (1 << 6) |
| #define MCI_ROD (1 << 7) |
| |
| #define MMCICLOCK 0x004 |
| #define MCI_CLK_ENABLE (1 << 8) |
| #define MCI_CLK_PWRSAVE (1 << 9) |
| #define MCI_CLK_BYPASS (1 << 10) |
| #define MCI_4BIT_BUS (1 << 11) |
| /* |
| * 8bit wide buses, hardware flow contronl, negative edges and clock inversion |
| * supported in ST Micro U300 and Ux500 versions |
| */ |
| #define MCI_ST_8BIT_BUS (1 << 12) |
| #define MCI_ST_U300_HWFCEN (1 << 13) |
| #define MCI_ST_UX500_NEG_EDGE (1 << 13) |
| #define MCI_ST_UX500_HWFCEN (1 << 14) |
| #define MCI_ST_UX500_CLK_INV (1 << 15) |
| /* Modified PL180 on Versatile Express platform */ |
| #define MCI_ARM_HWFCEN (1 << 12) |
| |
| #define MMCIARGUMENT 0x008 |
| #define MMCICOMMAND 0x00c |
| #define MCI_CPSM_RESPONSE (1 << 6) |
| #define MCI_CPSM_LONGRSP (1 << 7) |
| #define MCI_CPSM_INTERRUPT (1 << 8) |
| #define MCI_CPSM_PENDING (1 << 9) |
| #define MCI_CPSM_ENABLE (1 << 10) |
| /* Argument flag extenstions in the ST Micro versions */ |
| #define MCI_ST_SDIO_SUSP (1 << 11) |
| #define MCI_ST_ENCMD_COMPL (1 << 12) |
| #define MCI_ST_NIEN (1 << 13) |
| #define MCI_ST_CE_ATACMD (1 << 14) |
| |
| #define MMCIRESPCMD 0x010 |
| #define MMCIRESPONSE0 0x014 |
| #define MMCIRESPONSE1 0x018 |
| #define MMCIRESPONSE2 0x01c |
| #define MMCIRESPONSE3 0x020 |
| #define MMCIDATATIMER 0x024 |
| #define MMCIDATALENGTH 0x028 |
| #define MMCIDATACTRL 0x02c |
| #define MCI_DPSM_ENABLE (1 << 0) |
| #define MCI_DPSM_DIRECTION (1 << 1) |
| #define MCI_DPSM_MODE (1 << 2) |
| #define MCI_DPSM_DMAENABLE (1 << 3) |
| #define MCI_DPSM_BLOCKSIZE (1 << 4) |
| /* Control register extensions in the ST Micro U300 and Ux500 versions */ |
| #define MCI_ST_DPSM_RWSTART (1 << 8) |
| #define MCI_ST_DPSM_RWSTOP (1 << 9) |
| #define MCI_ST_DPSM_RWMOD (1 << 10) |
| #define MCI_ST_DPSM_SDIOEN (1 << 11) |
| /* Control register extensions in the ST Micro Ux500 versions */ |
| #define MCI_ST_DPSM_DMAREQCTL (1 << 12) |
| #define MCI_ST_DPSM_DBOOTMODEEN (1 << 13) |
| #define MCI_ST_DPSM_BUSYMODE (1 << 14) |
| #define MCI_ST_DPSM_DDRMODE (1 << 15) |
| |
| #define MMCIDATACNT 0x030 |
| #define MMCISTATUS 0x034 |
| #define MCI_CMDCRCFAIL (1 << 0) |
| #define MCI_DATACRCFAIL (1 << 1) |
| #define MCI_CMDTIMEOUT (1 << 2) |
| #define MCI_DATATIMEOUT (1 << 3) |
| #define MCI_TXUNDERRUN (1 << 4) |
| #define MCI_RXOVERRUN (1 << 5) |
| #define MCI_CMDRESPEND (1 << 6) |
| #define MCI_CMDSENT (1 << 7) |
| #define MCI_DATAEND (1 << 8) |
| #define MCI_STARTBITERR (1 << 9) |
| #define MCI_DATABLOCKEND (1 << 10) |
| #define MCI_CMDACTIVE (1 << 11) |
| #define MCI_TXACTIVE (1 << 12) |
| #define MCI_RXACTIVE (1 << 13) |
| #define MCI_TXFIFOHALFEMPTY (1 << 14) |
| #define MCI_RXFIFOHALFFULL (1 << 15) |
| #define MCI_TXFIFOFULL (1 << 16) |
| #define MCI_RXFIFOFULL (1 << 17) |
| #define MCI_TXFIFOEMPTY (1 << 18) |
| #define MCI_RXFIFOEMPTY (1 << 19) |
| #define MCI_TXDATAAVLBL (1 << 20) |
| #define MCI_RXDATAAVLBL (1 << 21) |
| /* Extended status bits for the ST Micro variants */ |
| #define MCI_ST_SDIOIT (1 << 22) |
| #define MCI_ST_CEATAEND (1 << 23) |
| #define MCI_ST_CARDBUSY (1 << 24) |
| |
| #define MMCICLEAR 0x038 |
| #define MCI_CMDCRCFAILCLR (1 << 0) |
| #define MCI_DATACRCFAILCLR (1 << 1) |
| #define MCI_CMDTIMEOUTCLR (1 << 2) |
| #define MCI_DATATIMEOUTCLR (1 << 3) |
| #define MCI_TXUNDERRUNCLR (1 << 4) |
| #define MCI_RXOVERRUNCLR (1 << 5) |
| #define MCI_CMDRESPENDCLR (1 << 6) |
| #define MCI_CMDSENTCLR (1 << 7) |
| #define MCI_DATAENDCLR (1 << 8) |
| #define MCI_STARTBITERRCLR (1 << 9) |
| #define MCI_DATABLOCKENDCLR (1 << 10) |
| /* Extended status bits for the ST Micro variants */ |
| #define MCI_ST_SDIOITC (1 << 22) |
| #define MCI_ST_CEATAENDC (1 << 23) |
| #define MCI_ST_BUSYENDC (1 << 24) |
| |
| #define MMCIMASK0 0x03c |
| #define MCI_CMDCRCFAILMASK (1 << 0) |
| #define MCI_DATACRCFAILMASK (1 << 1) |
| #define MCI_CMDTIMEOUTMASK (1 << 2) |
| #define MCI_DATATIMEOUTMASK (1 << 3) |
| #define MCI_TXUNDERRUNMASK (1 << 4) |
| #define MCI_RXOVERRUNMASK (1 << 5) |
| #define MCI_CMDRESPENDMASK (1 << 6) |
| #define MCI_CMDSENTMASK (1 << 7) |
| #define MCI_DATAENDMASK (1 << 8) |
| #define MCI_STARTBITERRMASK (1 << 9) |
| #define MCI_DATABLOCKENDMASK (1 << 10) |
| #define MCI_CMDACTIVEMASK (1 << 11) |
| #define MCI_TXACTIVEMASK (1 << 12) |
| #define MCI_RXACTIVEMASK (1 << 13) |
| #define MCI_TXFIFOHALFEMPTYMASK (1 << 14) |
| #define MCI_RXFIFOHALFFULLMASK (1 << 15) |
| #define MCI_TXFIFOFULLMASK (1 << 16) |
| #define MCI_RXFIFOFULLMASK (1 << 17) |
| #define MCI_TXFIFOEMPTYMASK (1 << 18) |
| #define MCI_RXFIFOEMPTYMASK (1 << 19) |
| #define MCI_TXDATAAVLBLMASK (1 << 20) |
| #define MCI_RXDATAAVLBLMASK (1 << 21) |
| /* Extended status bits for the ST Micro variants */ |
| #define MCI_ST_SDIOITMASK (1 << 22) |
| #define MCI_ST_CEATAENDMASK (1 << 23) |
| |
| #define MMCIMASK1 0x040 |
| #define MMCIFIFOCNT 0x048 |
| #define MMCIFIFO 0x080 /* to 0x0bc */ |
| |
| #define MCI_IRQENABLE \ |
| (MCI_CMDCRCFAILMASK|MCI_DATACRCFAILMASK|MCI_CMDTIMEOUTMASK| \ |
| MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK| \ |
| MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_STARTBITERRMASK) |
| |
| /* These interrupts are directed to IRQ1 when two IRQ lines are available */ |
| #define MCI_IRQ1MASK \ |
| (MCI_RXFIFOHALFFULLMASK | MCI_RXDATAAVLBLMASK | \ |
| MCI_TXFIFOHALFEMPTYMASK) |
| |
| #define NR_SG 128 |
| |
| struct clk; |
| struct variant_data; |
| struct dma_chan; |
| |
| struct mmci_host_next { |
| struct dma_async_tx_descriptor *dma_desc; |
| struct dma_chan *dma_chan; |
| s32 cookie; |
| }; |
| |
| struct mmci_host { |
| phys_addr_t phybase; |
| void __iomem *base; |
| struct mmc_request *mrq; |
| struct mmc_command *cmd; |
| struct mmc_data *data; |
| struct mmc_host *mmc; |
| struct clk *clk; |
| int gpio_cd; |
| int gpio_wp; |
| int gpio_cd_irq; |
| bool singleirq; |
| |
| spinlock_t lock; |
| |
| unsigned int mclk; |
| unsigned int cclk; |
| u32 pwr_reg; |
| u32 clk_reg; |
| u32 datactrl_reg; |
| bool vqmmc_enabled; |
| struct mmci_platform_data *plat; |
| struct variant_data *variant; |
| |
| u8 hw_designer; |
| u8 hw_revision:4; |
| |
| struct timer_list timer; |
| unsigned int oldstat; |
| |
| /* pio stuff */ |
| struct sg_mapping_iter sg_miter; |
| unsigned int size; |
| |
| #ifdef CONFIG_DMA_ENGINE |
| /* DMA stuff */ |
| struct dma_chan *dma_current; |
| struct dma_chan *dma_rx_channel; |
| struct dma_chan *dma_tx_channel; |
| struct dma_async_tx_descriptor *dma_desc_current; |
| struct mmci_host_next next_data; |
| |
| #define dma_inprogress(host) ((host)->dma_current) |
| #else |
| #define dma_inprogress(host) (0) |
| #endif |
| }; |
| |