| /* |
| * 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) |
| |
| /* |
| * 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; |
| }; |
| |
| 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 got_datablkend; |
| 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 *pio_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 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; |
| |
| #ifdef CONFIG_MMC_MSM7X00A_RESUME_IN_WQ |
| struct work_struct resume_task; |
| #endif |
| |
| /* Command parameters */ |
| unsigned int cmd_timeout; |
| unsigned int cmd_pio_irqmask; |
| unsigned int cmd_datactrl; |
| struct mmc_command *cmd_cmd; |
| u32 cmd_c; |
| |
| }; |
| |
| #endif |