/* * linux/drivers/mmc/host/msmsdcc.h - QCT MSM7K SDC Controller * * Copyright (C) 2008 Google, 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. * * - Based on mmci.h */ #ifndef _MSM_SDCC_H #define _MSM_SDCC_H #define MSMSDCC_CRCI_SDC1 6 #define MSMSDCC_CRCI_SDC2 7 #define MSMSDCC_CRCI_SDC3 12 #define MSMSDCC_CRCI_SDC4 13 #define MMCIPOWER 0x000 #define MCI_PWR_OFF 0x00 #define MCI_PWR_UP 0x02 #define MCI_PWR_ON 0x03 #define MCI_OD (1 << 6) #define MMCICLOCK 0x004 #define MCI_CLK_ENABLE (1 << 8) #define MCI_CLK_PWRSAVE (1 << 9) #define MCI_CLK_WIDEBUS (1 << 10) #define MCI_CLK_FLOWENA (1 << 12) #define MCI_CLK_INVERTOUT (1 << 13) #define MCI_CLK_SELECTIN (1 << 14) #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) #define MCI_CPSM_PROGENA (1 << 11) #define MCI_CSPM_DATCMD (1 << 12) #define MCI_CSPM_MCIABORT (1 << 13) #define MCI_CSPM_CCSENABLE (1 << 14) #define MCI_CSPM_CCSDISABLE (1 << 15) #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 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_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) #define MCI_SDIOINTR (1 << 22) #define MCI_PROGDONE (1 << 23) #define MCI_ATACMDCOMPL (1 << 24) #define MCI_SDIOINTOPER (1 << 25) #define MCI_CCSTIMEOUT (1 << 26) #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_DATABLOCKENDCLR (1 << 10) #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_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) #define MCI_SDIOINTMASK (1 << 22) #define MCI_PROGDONEMASK (1 << 23) #define MCI_ATACMDCOMPLMASK (1 << 24) #define MCI_SDIOINTOPERMASK (1 << 25) #define MCI_CCSTIMEOUTMASK (1 << 26) #define MMCIMASK1 0x040 #define MMCIFIFOCNT 0x044 #define MCICCSTIMER 0x058 #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_DATAENDMASK|MCI_PROGDONEMASK) #define MCI_IRQ_PIO \ (MCI_RXDATAAVLBLMASK | MCI_TXDATAAVLBLMASK | MCI_RXFIFOEMPTYMASK | \ MCI_TXFIFOEMPTYMASK | MCI_RXFIFOFULLMASK | MCI_TXFIFOFULLMASK | \ MCI_RXFIFOHALFFULLMASK | MCI_TXFIFOHALFEMPTYMASK | \ MCI_RXACTIVEMASK | MCI_TXACTIVEMASK) /* * The size of the FIFO in bytes. */ #define MCI_FIFOSIZE (16*4) #define MCI_FIFOHALFSIZE (MCI_FIFOSIZE / 2) #define NR_SG 32 struct clk; struct msmsdcc_nc_dmadata { dmov_box cmd[NR_SG]; uint32_t cmdptr; }; struct msmsdcc_dma_data { struct msmsdcc_nc_dmadata *nc; dma_addr_t nc_busaddr; dma_addr_t cmd_busaddr; dma_addr_t cmdptr_busaddr; struct msm_dmov_cmd hdr; enum dma_data_direction dir; struct scatterlist *sg; int num_ents; int channel; struct msmsdcc_host *host; int busy; /* Set if DM is busy */ int active; unsigned int result; struct msm_dmov_errdata err; }; struct msmsdcc_pio_data { struct scatterlist *sg; unsigned int sg_len; unsigned int sg_off; }; struct msmsdcc_curr_req { struct mmc_request *mrq; struct mmc_command *cmd; struct mmc_data *data; unsigned int xfer_size; /* Total data size */ unsigned int xfer_remain; /* Bytes remaining to send */ unsigned int data_xfered; /* Bytes acked by BLKEND irq */ int got_dataend; int user_pages; }; struct msmsdcc_stats { unsigned int reqs; unsigned int cmds; unsigned int cmdpoll_hits; unsigned int cmdpoll_misses; }; struct msmsdcc_host { struct resource *cmd_irqres; struct resource *memres; struct resource *dmares; void __iomem *base; int pdev_id; unsigned int stat_irq; struct msmsdcc_curr_req curr; struct mmc_host *mmc; struct clk *clk; /* main MMC bus clock */ struct clk *pclk; /* SDCC peripheral bus clock */ unsigned int clks_on; /* set if clocks are enabled */ struct timer_list busclk_timer; unsigned int eject; /* eject state */ spinlock_t lock; unsigned int clk_rate; /* Current clock rate */ unsigned int pclk_rate; u32 pwr; u32 saved_irq0mask; /* MMCIMASK0 reg value */ struct msm_mmc_platform_data *plat; struct timer_list timer; unsigned int oldstat; struct msmsdcc_dma_data dma; struct msmsdcc_pio_data pio; int cmdpoll; struct msmsdcc_stats stats; struct tasklet_struct dma_tlet; /* Command parameters */ unsigned int cmd_timeout; unsigned int cmd_pio_irqmask; unsigned int cmd_datactrl; struct mmc_command *cmd_cmd; u32 cmd_c; bool gpio_config_status; bool prog_scan; bool prog_enable; }; #endif