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mmc: atmel-mci: change namespace

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Homogenize namespace to atmci.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Ludovic Desroches
2011-08-11 15:25:41 +00:00
committed by Chris Ball
parent 41ebe9cde7
commit 2c96a293bb
4 changed files with 257 additions and 256 deletions
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2
arch/arm/mach-at91/at91sam9260_devices.c
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@@ -319,7 +319,7 @@ void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
if (!data) if (!data)
return; return;
for (i = 0; i < ATMEL_MCI_MAX_NR_SLOTS; i++) { for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
if (data->slot[i].bus_width) { if (data->slot[i].bus_width) {
/* input/irq */ /* input/irq */
if (data->slot[i].detect_pin) { if (data->slot[i].detect_pin) {

206
drivers/mmc/host/atmel-mci-regs.h
View File

@@ -17,112 +17,112 @@
#define __DRIVERS_MMC_ATMEL_MCI_H__ #define __DRIVERS_MMC_ATMEL_MCI_H__
/* MCI Register Definitions */ /* MCI Register Definitions */
#define MCI_CR 0x0000 /* Control */ #define ATMCI_CR 0x0000 /* Control */
# define MCI_CR_MCIEN ( 1 << 0) /* MCI Enable */ # define ATMCI_CR_MCIEN ( 1 << 0) /* MCI Enable */
# define MCI_CR_MCIDIS ( 1 << 1) /* MCI Disable */ # define ATMCI_CR_MCIDIS ( 1 << 1) /* MCI Disable */
# define MCI_CR_PWSEN ( 1 << 2) /* Power Save Enable */ # define ATMCI_CR_PWSEN ( 1 << 2) /* Power Save Enable */
# define MCI_CR_PWSDIS ( 1 << 3) /* Power Save Disable */ # define ATMCI_CR_PWSDIS ( 1 << 3) /* Power Save Disable */
# define MCI_CR_SWRST ( 1 << 7) /* Software Reset */ # define ATMCI_CR_SWRST ( 1 << 7) /* Software Reset */
#define MCI_MR 0x0004 /* Mode */ #define ATMCI_MR 0x0004 /* Mode */
# define MCI_MR_CLKDIV(x) ((x) << 0) /* Clock Divider */ # define ATMCI_MR_CLKDIV(x) ((x) << 0) /* Clock Divider */
# define MCI_MR_PWSDIV(x) ((x) << 8) /* Power Saving Divider */ # define ATMCI_MR_PWSDIV(x) ((x) << 8) /* Power Saving Divider */
# define MCI_MR_RDPROOF ( 1 << 11) /* Read Proof */ # define ATMCI_MR_RDPROOF ( 1 << 11) /* Read Proof */
# define MCI_MR_WRPROOF ( 1 << 12) /* Write Proof */ # define ATMCI_MR_WRPROOF ( 1 << 12) /* Write Proof */
# define MCI_MR_PDCFBYTE ( 1 << 13) /* Force Byte Transfer */ # define ATMCI_MR_PDCFBYTE ( 1 << 13) /* Force Byte Transfer */
# define MCI_MR_PDCPADV ( 1 << 14) /* Padding Value */ # define ATMCI_MR_PDCPADV ( 1 << 14) /* Padding Value */
# define MCI_MR_PDCMODE ( 1 << 15) /* PDC-oriented Mode */ # define ATMCI_MR_PDCMODE ( 1 << 15) /* PDC-oriented Mode */
#define MCI_DTOR 0x0008 /* Data Timeout */ #define ATMCI_DTOR 0x0008 /* Data Timeout */
# define MCI_DTOCYC(x) ((x) << 0) /* Data Timeout Cycles */ # define ATMCI_DTOCYC(x) ((x) << 0) /* Data Timeout Cycles */
# define MCI_DTOMUL(x) ((x) << 4) /* Data Timeout Multiplier */ # define ATMCI_DTOMUL(x) ((x) << 4) /* Data Timeout Multiplier */
#define MCI_SDCR 0x000c /* SD Card / SDIO */ #define ATMCI_SDCR 0x000c /* SD Card / SDIO */
# define MCI_SDCSEL_SLOT_A ( 0 << 0) /* Select SD slot A */ # define ATMCI_SDCSEL_SLOT_A ( 0 << 0) /* Select SD slot A */
# define MCI_SDCSEL_SLOT_B ( 1 << 0) /* Select SD slot A */ # define ATMCI_SDCSEL_SLOT_B ( 1 << 0) /* Select SD slot A */
# define MCI_SDCSEL_MASK ( 3 << 0) # define ATMCI_SDCSEL_MASK ( 3 << 0)
# define MCI_SDCBUS_1BIT ( 0 << 6) /* 1-bit data bus */ # define ATMCI_SDCBUS_1BIT ( 0 << 6) /* 1-bit data bus */
# define MCI_SDCBUS_4BIT ( 2 << 6) /* 4-bit data bus */ # define ATMCI_SDCBUS_4BIT ( 2 << 6) /* 4-bit data bus */
# define MCI_SDCBUS_8BIT ( 3 << 6) /* 8-bit data bus[2] */ # define ATMCI_SDCBUS_8BIT ( 3 << 6) /* 8-bit data bus[2] */
# define MCI_SDCBUS_MASK ( 3 << 6) # define ATMCI_SDCBUS_MASK ( 3 << 6)
#define MCI_ARGR 0x0010 /* Command Argument */ #define ATMCI_ARGR 0x0010 /* Command Argument */
#define MCI_CMDR 0x0014 /* Command */ #define ATMCI_CMDR 0x0014 /* Command */
# define MCI_CMDR_CMDNB(x) ((x) << 0) /* Command Opcode */ # define ATMCI_CMDR_CMDNB(x) ((x) << 0) /* Command Opcode */
# define MCI_CMDR_RSPTYP_NONE ( 0 << 6) /* No response */ # define ATMCI_CMDR_RSPTYP_NONE ( 0 << 6) /* No response */
# define MCI_CMDR_RSPTYP_48BIT ( 1 << 6) /* 48-bit response */ # define ATMCI_CMDR_RSPTYP_48BIT ( 1 << 6) /* 48-bit response */
# define MCI_CMDR_RSPTYP_136BIT ( 2 << 6) /* 136-bit response */ # define ATMCI_CMDR_RSPTYP_136BIT ( 2 << 6) /* 136-bit response */
# define MCI_CMDR_SPCMD_INIT ( 1 << 8) /* Initialization command */ # define ATMCI_CMDR_SPCMD_INIT ( 1 << 8) /* Initialization command */
# define MCI_CMDR_SPCMD_SYNC ( 2 << 8) /* Synchronized command */ # define ATMCI_CMDR_SPCMD_SYNC ( 2 << 8) /* Synchronized command */
# define MCI_CMDR_SPCMD_INT ( 4 << 8) /* Interrupt command */ # define ATMCI_CMDR_SPCMD_INT ( 4 << 8) /* Interrupt command */
# define MCI_CMDR_SPCMD_INTRESP ( 5 << 8) /* Interrupt response */ # define ATMCI_CMDR_SPCMD_INTRESP ( 5 << 8) /* Interrupt response */
# define MCI_CMDR_OPDCMD ( 1 << 11) /* Open Drain */ # define ATMCI_CMDR_OPDCMD ( 1 << 11) /* Open Drain */
# define MCI_CMDR_MAXLAT_5CYC ( 0 << 12) /* Max latency 5 cycles */ # define ATMCI_CMDR_MAXLAT_5CYC ( 0 << 12) /* Max latency 5 cycles */
# define MCI_CMDR_MAXLAT_64CYC ( 1 << 12) /* Max latency 64 cycles */ # define ATMCI_CMDR_MAXLAT_64CYC ( 1 << 12) /* Max latency 64 cycles */
# define MCI_CMDR_START_XFER ( 1 << 16) /* Start data transfer */ # define ATMCI_CMDR_START_XFER ( 1 << 16) /* Start data transfer */
# define MCI_CMDR_STOP_XFER ( 2 << 16) /* Stop data transfer */ # define ATMCI_CMDR_STOP_XFER ( 2 << 16) /* Stop data transfer */
# define MCI_CMDR_TRDIR_WRITE ( 0 << 18) /* Write data */ # define ATMCI_CMDR_TRDIR_WRITE ( 0 << 18) /* Write data */
# define MCI_CMDR_TRDIR_READ ( 1 << 18) /* Read data */ # define ATMCI_CMDR_TRDIR_READ ( 1 << 18) /* Read data */
# define MCI_CMDR_BLOCK ( 0 << 19) /* Single-block transfer */ # define ATMCI_CMDR_BLOCK ( 0 << 19) /* Single-block transfer */
# define MCI_CMDR_MULTI_BLOCK ( 1 << 19) /* Multi-block transfer */ # define ATMCI_CMDR_MULTI_BLOCK ( 1 << 19) /* Multi-block transfer */
# define MCI_CMDR_STREAM ( 2 << 19) /* MMC Stream transfer */ # define ATMCI_CMDR_STREAM ( 2 << 19) /* MMC Stream transfer */
# define MCI_CMDR_SDIO_BYTE ( 4 << 19) /* SDIO Byte transfer */ # define ATMCI_CMDR_SDIO_BYTE ( 4 << 19) /* SDIO Byte transfer */
# define MCI_CMDR_SDIO_BLOCK ( 5 << 19) /* SDIO Block transfer */ # define ATMCI_CMDR_SDIO_BLOCK ( 5 << 19) /* SDIO Block transfer */
# define MCI_CMDR_SDIO_SUSPEND ( 1 << 24) /* SDIO Suspend Command */ # define ATMCI_CMDR_SDIO_SUSPEND ( 1 << 24) /* SDIO Suspend Command */
# define MCI_CMDR_SDIO_RESUME ( 2 << 24) /* SDIO Resume Command */ # define ATMCI_CMDR_SDIO_RESUME ( 2 << 24) /* SDIO Resume Command */
#define MCI_BLKR 0x0018 /* Block */ #define ATMCI_BLKR 0x0018 /* Block */
# define MCI_BCNT(x) ((x) << 0) /* Data Block Count */ # define ATMCI_BCNT(x) ((x) << 0) /* Data Block Count */
# define MCI_BLKLEN(x) ((x) << 16) /* Data Block Length */ # define ATMCI_BLKLEN(x) ((x) << 16) /* Data Block Length */
#define MCI_CSTOR 0x001c /* Completion Signal Timeout[2] */ #define ATMCI_CSTOR 0x001c /* Completion Signal Timeout[2] */
# define MCI_CSTOCYC(x) ((x) << 0) /* CST cycles */ # define ATMCI_CSTOCYC(x) ((x) << 0) /* CST cycles */
# define MCI_CSTOMUL(x) ((x) << 4) /* CST multiplier */ # define ATMCI_CSTOMUL(x) ((x) << 4) /* CST multiplier */
#define MCI_RSPR 0x0020 /* Response 0 */ #define ATMCI_RSPR 0x0020 /* Response 0 */
#define MCI_RSPR1 0x0024 /* Response 1 */ #define ATMCI_RSPR1 0x0024 /* Response 1 */
#define MCI_RSPR2 0x0028 /* Response 2 */ #define ATMCI_RSPR2 0x0028 /* Response 2 */
#define MCI_RSPR3 0x002c /* Response 3 */ #define ATMCI_RSPR3 0x002c /* Response 3 */
#define MCI_RDR 0x0030 /* Receive Data */ #define ATMCI_RDR 0x0030 /* Receive Data */
#define MCI_TDR 0x0034 /* Transmit Data */ #define ATMCI_TDR 0x0034 /* Transmit Data */
#define MCI_SR 0x0040 /* Status */ #define ATMCI_SR 0x0040 /* Status */
#define MCI_IER 0x0044 /* Interrupt Enable */ #define ATMCI_IER 0x0044 /* Interrupt Enable */
#define MCI_IDR 0x0048 /* Interrupt Disable */ #define ATMCI_IDR 0x0048 /* Interrupt Disable */
#define MCI_IMR 0x004c /* Interrupt Mask */ #define ATMCI_IMR 0x004c /* Interrupt Mask */
# define MCI_CMDRDY ( 1 << 0) /* Command Ready */ # define ATMCI_CMDRDY ( 1 << 0) /* Command Ready */
# define MCI_RXRDY ( 1 << 1) /* Receiver Ready */ # define ATMCI_RXRDY ( 1 << 1) /* Receiver Ready */
# define MCI_TXRDY ( 1 << 2) /* Transmitter Ready */ # define ATMCI_TXRDY ( 1 << 2) /* Transmitter Ready */
# define MCI_BLKE ( 1 << 3) /* Data Block Ended */ # define ATMCI_BLKE ( 1 << 3) /* Data Block Ended */
# define MCI_DTIP ( 1 << 4) /* Data Transfer In Progress */ # define ATMCI_DTIP ( 1 << 4) /* Data Transfer In Progress */
# define MCI_NOTBUSY ( 1 << 5) /* Data Not Busy */ # define ATMCI_NOTBUSY ( 1 << 5) /* Data Not Busy */
# define MCI_SDIOIRQA ( 1 << 8) /* SDIO IRQ in slot A */ # define ATMCI_SDIOIRQA ( 1 << 8) /* SDIO IRQ in slot A */
# define MCI_SDIOIRQB ( 1 << 9) /* SDIO IRQ in slot B */ # define ATMCI_SDIOIRQB ( 1 << 9) /* SDIO IRQ in slot B */
# define MCI_RINDE ( 1 << 16) /* Response Index Error */ # define ATMCI_RINDE ( 1 << 16) /* Response Index Error */
# define MCI_RDIRE ( 1 << 17) /* Response Direction Error */ # define ATMCI_RDIRE ( 1 << 17) /* Response Direction Error */
# define MCI_RCRCE ( 1 << 18) /* Response CRC Error */ # define ATMCI_RCRCE ( 1 << 18) /* Response CRC Error */
# define MCI_RENDE ( 1 << 19) /* Response End Bit Error */ # define ATMCI_RENDE ( 1 << 19) /* Response End Bit Error */
# define MCI_RTOE ( 1 << 20) /* Response Time-Out Error */ # define ATMCI_RTOE ( 1 << 20) /* Response Time-Out Error */
# define MCI_DCRCE ( 1 << 21) /* Data CRC Error */ # define ATMCI_DCRCE ( 1 << 21) /* Data CRC Error */
# define MCI_DTOE ( 1 << 22) /* Data Time-Out Error */ # define ATMCI_DTOE ( 1 << 22) /* Data Time-Out Error */
# define MCI_OVRE ( 1 << 30) /* RX Overrun Error */ # define ATMCI_OVRE ( 1 << 30) /* RX Overrun Error */
# define MCI_UNRE ( 1 << 31) /* TX Underrun Error */ # define ATMCI_UNRE ( 1 << 31) /* TX Underrun Error */
#define MCI_DMA 0x0050 /* DMA Configuration[2] */ #define ATMCI_DMA 0x0050 /* DMA Configuration[2] */
# define MCI_DMA_OFFSET(x) ((x) << 0) /* DMA Write Buffer Offset */ # define ATMCI_DMA_OFFSET(x) ((x) << 0) /* DMA Write Buffer Offset */
# define MCI_DMA_CHKSIZE(x) ((x) << 4) /* DMA Channel Read and Write Chunk Size */ # define ATMCI_DMA_CHKSIZE(x) ((x) << 4) /* DMA Channel Read and Write Chunk Size */
# define MCI_DMAEN ( 1 << 8) /* DMA Hardware Handshaking Enable */ # define ATMCI_DMAEN ( 1 << 8) /* DMA Hardware Handshaking Enable */
#define MCI_CFG 0x0054 /* Configuration[2] */ #define ATMCI_CFG 0x0054 /* Configuration[2] */
# define MCI_CFG_FIFOMODE_1DATA ( 1 << 0) /* MCI Internal FIFO control mode */ # define ATMCI_CFG_FIFOMODE_1DATA ( 1 << 0) /* MCI Internal FIFO control mode */
# define MCI_CFG_FERRCTRL_COR ( 1 << 4) /* Flow Error flag reset control mode */ # define ATMCI_CFG_FERRCTRL_COR ( 1 << 4) /* Flow Error flag reset control mode */
# define MCI_CFG_HSMODE ( 1 << 8) /* High Speed Mode */ # define ATMCI_CFG_HSMODE ( 1 << 8) /* High Speed Mode */
# define MCI_CFG_LSYNC ( 1 << 12) /* Synchronize on the last block */ # define ATMCI_CFG_LSYNC ( 1 << 12) /* Synchronize on the last block */
#define MCI_WPMR 0x00e4 /* Write Protection Mode[2] */ #define ATMCI_WPMR 0x00e4 /* Write Protection Mode[2] */
# define MCI_WP_EN ( 1 << 0) /* WP Enable */ # define ATMCI_WP_EN ( 1 << 0) /* WP Enable */
# define MCI_WP_KEY (0x4d4349 << 8) /* WP Key */ # define ATMCI_WP_KEY (0x4d4349 << 8) /* WP Key */
#define MCI_WPSR 0x00e8 /* Write Protection Status[2] */ #define ATMCI_WPSR 0x00e8 /* Write Protection Status[2] */
# define MCI_GET_WP_VS(x) ((x) & 0x0f) # define ATMCI_GET_WP_VS(x) ((x) & 0x0f)
# define MCI_GET_WP_VSRC(x) (((x) >> 8) & 0xffff) # define ATMCI_GET_WP_VSRC(x) (((x) >> 8) & 0xffff)
#define MCI_FIFO_APERTURE 0x0200 /* FIFO Aperture[2] */ #define ATMCI_FIFO_APERTURE 0x0200 /* FIFO Aperture[2] */
/* This is not including the FIFO Aperture on MCI2 */ /* This is not including the FIFO Aperture on MCI2 */
#define MCI_REGS_SIZE 0x100 #define ATMCI_REGS_SIZE 0x100
/* Register access macros */ /* Register access macros */
#define mci_readl(port,reg) \ #define atmci_readl(port,reg) \
__raw_readl((port)->regs + MCI_##reg) __raw_readl((port)->regs + ATMCI_##reg)
#define mci_writel(port,reg,value) \ #define atmci_writel(port,reg,value) \
__raw_writel((value), (port)->regs + MCI_##reg) __raw_writel((value), (port)->regs + ATMCI_##reg)
#endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */ #endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */

301
drivers/mmc/host/atmel-mci.c
View File

@@ -39,7 +39,7 @@
#include "atmel-mci-regs.h" #include "atmel-mci-regs.h"
#define ATMCI_DATA_ERROR_FLAGS (MCI_DCRCE | MCI_DTOE | MCI_OVRE | MCI_UNRE) #define ATMCI_DATA_ERROR_FLAGS (ATMCI_DCRCE | ATMCI_DTOE | ATMCI_OVRE | ATMCI_UNRE)
#define ATMCI_DMA_THRESHOLD 16 #define ATMCI_DMA_THRESHOLD 16
enum { enum {
@@ -166,7 +166,7 @@ struct atmel_mci {
struct clk *mck; struct clk *mck;
struct platform_device *pdev; struct platform_device *pdev;
struct atmel_mci_slot *slot[ATMEL_MCI_MAX_NR_SLOTS]; struct atmel_mci_slot *slot[ATMCI_MAX_NR_SLOTS];
}; };
/** /**
@@ -223,7 +223,7 @@ struct atmel_mci_slot {
* Enable or disable features/registers based on * Enable or disable features/registers based on
* whether the processor supports them * whether the processor supports them
*/ */
static bool mci_has_rwproof(void) static bool atmci_has_rwproof(void)
{ {
if (cpu_is_at91sam9261() || cpu_is_at91rm9200()) if (cpu_is_at91sam9261() || cpu_is_at91rm9200())
return false; return false;
@@ -352,7 +352,7 @@ static int atmci_regs_show(struct seq_file *s, void *v)
struct atmel_mci *host = s->private; struct atmel_mci *host = s->private;
u32 *buf; u32 *buf;
buf = kmalloc(MCI_REGS_SIZE, GFP_KERNEL); buf = kmalloc(ATMCI_REGS_SIZE, GFP_KERNEL);
if (!buf) if (!buf)
return -ENOMEM; return -ENOMEM;
@@ -363,47 +363,47 @@ static int atmci_regs_show(struct seq_file *s, void *v)
*/ */
spin_lock_bh(&host->lock); spin_lock_bh(&host->lock);
clk_enable(host->mck); clk_enable(host->mck);
memcpy_fromio(buf, host->regs, MCI_REGS_SIZE); memcpy_fromio(buf, host->regs, ATMCI_REGS_SIZE);
clk_disable(host->mck); clk_disable(host->mck);
spin_unlock_bh(&host->lock); spin_unlock_bh(&host->lock);
seq_printf(s, "MR:\t0x%08x%s%s CLKDIV=%u\n", seq_printf(s, "MR:\t0x%08x%s%s CLKDIV=%u\n",
buf[MCI_MR / 4], buf[ATMCI_MR / 4],
buf[MCI_MR / 4] & MCI_MR_RDPROOF ? " RDPROOF" : "", buf[ATMCI_MR / 4] & ATMCI_MR_RDPROOF ? " RDPROOF" : "",
buf[MCI_MR / 4] & MCI_MR_WRPROOF ? " WRPROOF" : "", buf[ATMCI_MR / 4] & ATMCI_MR_WRPROOF ? " WRPROOF" : "",
buf[MCI_MR / 4] & 0xff); buf[ATMCI_MR / 4] & 0xff);
seq_printf(s, "DTOR:\t0x%08x\n", buf[MCI_DTOR / 4]); seq_printf(s, "DTOR:\t0x%08x\n", buf[ATMCI_DTOR / 4]);
seq_printf(s, "SDCR:\t0x%08x\n", buf[MCI_SDCR / 4]); seq_printf(s, "SDCR:\t0x%08x\n", buf[ATMCI_SDCR / 4]);
seq_printf(s, "ARGR:\t0x%08x\n", buf[MCI_ARGR / 4]); seq_printf(s, "ARGR:\t0x%08x\n", buf[ATMCI_ARGR / 4]);
seq_printf(s, "BLKR:\t0x%08x BCNT=%u BLKLEN=%u\n", seq_printf(s, "BLKR:\t0x%08x BCNT=%u BLKLEN=%u\n",
buf[MCI_BLKR / 4], buf[ATMCI_BLKR / 4],
buf[MCI_BLKR / 4] & 0xffff, buf[ATMCI_BLKR / 4] & 0xffff,
(buf[MCI_BLKR / 4] >> 16) & 0xffff); (buf[ATMCI_BLKR / 4] >> 16) & 0xffff);
if (atmci_is_mci2()) if (atmci_is_mci2())
seq_printf(s, "CSTOR:\t0x%08x\n", buf[MCI_CSTOR / 4]); seq_printf(s, "CSTOR:\t0x%08x\n", buf[ATMCI_CSTOR / 4]);
/* Don't read RSPR and RDR; it will consume the data there */ /* Don't read RSPR and RDR; it will consume the data there */
atmci_show_status_reg(s, "SR", buf[MCI_SR / 4]); atmci_show_status_reg(s, "SR", buf[ATMCI_SR / 4]);
atmci_show_status_reg(s, "IMR", buf[MCI_IMR / 4]); atmci_show_status_reg(s, "IMR", buf[ATMCI_IMR / 4]);
if (atmci_is_mci2()) { if (atmci_is_mci2()) {
u32 val; u32 val;
val = buf[MCI_DMA / 4]; val = buf[ATMCI_DMA / 4];
seq_printf(s, "DMA:\t0x%08x OFFSET=%u CHKSIZE=%u%s\n", seq_printf(s, "DMA:\t0x%08x OFFSET=%u CHKSIZE=%u%s\n",
val, val & 3, val, val & 3,
((val >> 4) & 3) ? ((val >> 4) & 3) ?
1 << (((val >> 4) & 3) + 1) : 1, 1 << (((val >> 4) & 3) + 1) : 1,
val & MCI_DMAEN ? " DMAEN" : ""); val & ATMCI_DMAEN ? " DMAEN" : "");
val = buf[MCI_CFG / 4]; val = buf[ATMCI_CFG / 4];
seq_printf(s, "CFG:\t0x%08x%s%s%s%s\n", seq_printf(s, "CFG:\t0x%08x%s%s%s%s\n",
val, val,
val & MCI_CFG_FIFOMODE_1DATA ? " FIFOMODE_ONE_DATA" : "", val & ATMCI_CFG_FIFOMODE_1DATA ? " FIFOMODE_ONE_DATA" : "",
val & MCI_CFG_FERRCTRL_COR ? " FERRCTRL_CLEAR_ON_READ" : "", val & ATMCI_CFG_FERRCTRL_COR ? " FERRCTRL_CLEAR_ON_READ" : "",
val & MCI_CFG_HSMODE ? " HSMODE" : "", val & ATMCI_CFG_HSMODE ? " HSMODE" : "",
val & MCI_CFG_LSYNC ? " LSYNC" : ""); val & ATMCI_CFG_LSYNC ? " LSYNC" : "");
} }
kfree(buf); kfree(buf);
@@ -466,7 +466,7 @@ err:
dev_err(&mmc->class_dev, "failed to initialize debugfs for slot\n"); dev_err(&mmc->class_dev, "failed to initialize debugfs for slot\n");
} }
static inline unsigned int ns_to_clocks(struct atmel_mci *host, static inline unsigned int atmci_ns_to_clocks(struct atmel_mci *host,
unsigned int ns) unsigned int ns)
{ {
return (ns * (host->bus_hz / 1000000) + 999) / 1000; return (ns * (host->bus_hz / 1000000) + 999) / 1000;
@@ -482,7 +482,8 @@ static void atmci_set_timeout(struct atmel_mci *host,
unsigned dtocyc; unsigned dtocyc;
unsigned dtomul; unsigned dtomul;
timeout = ns_to_clocks(host, data->timeout_ns) + data->timeout_clks; timeout = atmci_ns_to_clocks(host, data->timeout_ns)
+ data->timeout_clks;
for (dtomul = 0; dtomul < 8; dtomul++) { for (dtomul = 0; dtomul < 8; dtomul++) {
unsigned shift = dtomul_to_shift[dtomul]; unsigned shift = dtomul_to_shift[dtomul];
@@ -498,7 +499,7 @@ static void atmci_set_timeout(struct atmel_mci *host,
dev_vdbg(&slot->mmc->class_dev, "setting timeout to %u cycles\n", dev_vdbg(&slot->mmc->class_dev, "setting timeout to %u cycles\n",
dtocyc << dtomul_to_shift[dtomul]); dtocyc << dtomul_to_shift[dtomul]);
mci_writel(host, DTOR, (MCI_DTOMUL(dtomul) | MCI_DTOCYC(dtocyc))); atmci_writel(host, DTOR, (ATMCI_DTOMUL(dtomul) | ATMCI_DTOCYC(dtocyc)));
} }
/* /*
@@ -512,13 +513,13 @@ static u32 atmci_prepare_command(struct mmc_host *mmc,
cmd->error = -EINPROGRESS; cmd->error = -EINPROGRESS;
cmdr = MCI_CMDR_CMDNB(cmd->opcode); cmdr = ATMCI_CMDR_CMDNB(cmd->opcode);
if (cmd->flags & MMC_RSP_PRESENT) { if (cmd->flags & MMC_RSP_PRESENT) {
if (cmd->flags & MMC_RSP_136) if (cmd->flags & MMC_RSP_136)
cmdr |= MCI_CMDR_RSPTYP_136BIT; cmdr |= ATMCI_CMDR_RSPTYP_136BIT;
else else
cmdr |= MCI_CMDR_RSPTYP_48BIT; cmdr |= ATMCI_CMDR_RSPTYP_48BIT;
} }
/* /*
@@ -526,28 +527,28 @@ static u32 atmci_prepare_command(struct mmc_host *mmc,
* it's too difficult to determine whether this is an ACMD or * it's too difficult to determine whether this is an ACMD or
* not. Better make it 64. * not. Better make it 64.
*/ */
cmdr |= MCI_CMDR_MAXLAT_64CYC; cmdr |= ATMCI_CMDR_MAXLAT_64CYC;
if (mmc->ios.bus_mode == MMC_BUSMODE_OPENDRAIN) if (mmc->ios.bus_mode == MMC_BUSMODE_OPENDRAIN)
cmdr |= MCI_CMDR_OPDCMD; cmdr |= ATMCI_CMDR_OPDCMD;
data = cmd->data; data = cmd->data;
if (data) { if (data) {
cmdr |= MCI_CMDR_START_XFER; cmdr |= ATMCI_CMDR_START_XFER;
if (cmd->opcode == SD_IO_RW_EXTENDED) { if (cmd->opcode == SD_IO_RW_EXTENDED) {
cmdr |= MCI_CMDR_SDIO_BLOCK; cmdr |= ATMCI_CMDR_SDIO_BLOCK;
} else { } else {
if (data->flags & MMC_DATA_STREAM) if (data->flags & MMC_DATA_STREAM)
cmdr |= MCI_CMDR_STREAM; cmdr |= ATMCI_CMDR_STREAM;
else if (data->blocks > 1) else if (data->blocks > 1)
cmdr |= MCI_CMDR_MULTI_BLOCK; cmdr |= ATMCI_CMDR_MULTI_BLOCK;
else else
cmdr |= MCI_CMDR_BLOCK; cmdr |= ATMCI_CMDR_BLOCK;
} }
if (data->flags & MMC_DATA_READ) if (data->flags & MMC_DATA_READ)
cmdr |= MCI_CMDR_TRDIR_READ; cmdr |= ATMCI_CMDR_TRDIR_READ;
} }
return cmdr; return cmdr;
@@ -563,14 +564,14 @@ static void atmci_start_command(struct atmel_mci *host,
"start command: ARGR=0x%08x CMDR=0x%08x\n", "start command: ARGR=0x%08x CMDR=0x%08x\n",
cmd->arg, cmd_flags); cmd->arg, cmd_flags);
mci_writel(host, ARGR, cmd->arg); atmci_writel(host, ARGR, cmd->arg);
mci_writel(host, CMDR, cmd_flags); atmci_writel(host, CMDR, cmd_flags);
} }
static void send_stop_cmd(struct atmel_mci *host, struct mmc_data *data) static void atmci_send_stop_cmd(struct atmel_mci *host, struct mmc_data *data)
{ {
atmci_start_command(host, data->stop, host->stop_cmdr); atmci_start_command(host, data->stop, host->stop_cmdr);
mci_writel(host, IER, MCI_CMDRDY); atmci_writel(host, IER, ATMCI_CMDRDY);
} }
#ifdef CONFIG_MMC_ATMELMCI_DMA #ifdef CONFIG_MMC_ATMELMCI_DMA
@@ -595,7 +596,7 @@ static void atmci_stop_dma(struct atmel_mci *host)
} else { } else {
/* Data transfer was stopped by the interrupt handler */ /* Data transfer was stopped by the interrupt handler */
atmci_set_pending(host, EVENT_XFER_COMPLETE); atmci_set_pending(host, EVENT_XFER_COMPLETE);
mci_writel(host, IER, MCI_NOTBUSY); atmci_writel(host, IER, ATMCI_NOTBUSY);
} }
} }
@@ -609,7 +610,7 @@ static void atmci_dma_complete(void *arg)
if (atmci_is_mci2()) if (atmci_is_mci2())
/* Disable DMA hardware handshaking on MCI */ /* Disable DMA hardware handshaking on MCI */
mci_writel(host, DMA, mci_readl(host, DMA) & ~MCI_DMAEN); atmci_writel(host, DMA, atmci_readl(host, DMA) & ~ATMCI_DMAEN);
atmci_dma_cleanup(host); atmci_dma_cleanup(host);
@@ -641,7 +642,7 @@ static void atmci_dma_complete(void *arg)
* completion callback" rule of the dma engine * completion callback" rule of the dma engine
* framework. * framework.
*/ */
mci_writel(host, IER, MCI_NOTBUSY); atmci_writel(host, IER, ATMCI_NOTBUSY);
} }
} }
@@ -660,7 +661,7 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
* non-word-aligned buffers or lengths. Also, we don't bother * non-word-aligned buffers or lengths. Also, we don't bother
* with all the DMA setup overhead for short transfers. * with all the DMA setup overhead for short transfers.
*/ */
if (data->blocks * data->blksz < ATMCI_DMA_THRESHOLD) if (data->blocks * data->blksz < ATATMCI_DMA_THRESHOLD)
return -EINVAL; return -EINVAL;
if (data->blksz & 3) if (data->blksz & 3)
return -EINVAL; return -EINVAL;
@@ -679,7 +680,7 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
return -ENODEV; return -ENODEV;
if (atmci_is_mci2()) if (atmci_is_mci2())
mci_writel(host, DMA, MCI_DMA_CHKSIZE(3) | MCI_DMAEN); atmci_writel(host, DMA, ATMCI_DMA_CHKSIZE(3) | ATMCI_DMAEN);
if (data->flags & MMC_DATA_READ) if (data->flags & MMC_DATA_READ)
direction = DMA_FROM_DEVICE; direction = DMA_FROM_DEVICE;
@@ -729,7 +730,7 @@ static void atmci_stop_dma(struct atmel_mci *host)
{ {
/* Data transfer was stopped by the interrupt handler */ /* Data transfer was stopped by the interrupt handler */
atmci_set_pending(host, EVENT_XFER_COMPLETE); atmci_set_pending(host, EVENT_XFER_COMPLETE);
mci_writel(host, IER, MCI_NOTBUSY); atmci_writel(host, IER, ATMCI_NOTBUSY);
} }
#endif /* CONFIG_MMC_ATMELMCI_DMA */ #endif /* CONFIG_MMC_ATMELMCI_DMA */
@@ -766,9 +767,9 @@ static u32 atmci_prepare_data(struct atmel_mci *host, struct mmc_data *data)
host->sg = data->sg; host->sg = data->sg;
host->pio_offset = 0; host->pio_offset = 0;
if (data->flags & MMC_DATA_READ) if (data->flags & MMC_DATA_READ)
iflags |= MCI_RXRDY; iflags |= ATMCI_RXRDY;
else else
iflags |= MCI_TXRDY; iflags |= ATMCI_TXRDY;
} }
return iflags; return iflags;
@@ -792,24 +793,24 @@ static void atmci_start_request(struct atmel_mci *host,
host->data_status = 0; host->data_status = 0;
if (host->need_reset) { if (host->need_reset) {
mci_writel(host, CR, MCI_CR_SWRST); atmci_writel(host, CR, ATMCI_CR_SWRST);
mci_writel(host, CR, MCI_CR_MCIEN); atmci_writel(host, CR, ATMCI_CR_MCIEN);
mci_writel(host, MR, host->mode_reg); atmci_writel(host, MR, host->mode_reg);
if (atmci_is_mci2()) if (atmci_is_mci2())
mci_writel(host, CFG, host->cfg_reg); atmci_writel(host, CFG, host->cfg_reg);
host->need_reset = false; host->need_reset = false;
} }
mci_writel(host, SDCR, slot->sdc_reg); atmci_writel(host, SDCR, slot->sdc_reg);
iflags = mci_readl(host, IMR); iflags = atmci_readl(host, IMR);
if (iflags & ~(MCI_SDIOIRQA | MCI_SDIOIRQB)) if (iflags & ~(ATMCI_SDIOIRQA | ATMCI_SDIOIRQB))
dev_warn(&slot->mmc->class_dev, "WARNING: IMR=0x%08x\n", dev_warn(&slot->mmc->class_dev, "WARNING: IMR=0x%08x\n",
iflags); iflags);
if (unlikely(test_and_clear_bit(ATMCI_CARD_NEED_INIT, &slot->flags))) { if (unlikely(test_and_clear_bit(ATMCI_CARD_NEED_INIT, &slot->flags))) {
/* Send init sequence (74 clock cycles) */ /* Send init sequence (74 clock cycles) */
mci_writel(host, CMDR, MCI_CMDR_SPCMD_INIT); atmci_writel(host, CMDR, ATMCI_CMDR_SPCMD_INIT);
while (!(mci_readl(host, SR) & MCI_CMDRDY)) while (!(atmci_readl(host, SR) & ATMCI_CMDRDY))
cpu_relax(); cpu_relax();
} }
iflags = 0; iflags = 0;
@@ -818,15 +819,15 @@ static void atmci_start_request(struct atmel_mci *host,
atmci_set_timeout(host, slot, data); atmci_set_timeout(host, slot, data);
/* Must set block count/size before sending command */ /* Must set block count/size before sending command */
mci_writel(host, BLKR, MCI_BCNT(data->blocks) atmci_writel(host, BLKR, ATMCI_BCNT(data->blocks)
| MCI_BLKLEN(data->blksz)); | ATMCI_BLKLEN(data->blksz));
dev_vdbg(&slot->mmc->class_dev, "BLKR=0x%08x\n", dev_vdbg(&slot->mmc->class_dev, "BLKR=0x%08x\n",
MCI_BCNT(data->blocks) | MCI_BLKLEN(data->blksz)); ATMCI_BCNT(data->blocks) | ATMCI_BLKLEN(data->blksz));
iflags |= atmci_prepare_data(host, data); iflags |= atmci_prepare_data(host, data);
} }
iflags |= MCI_CMDRDY; iflags |= ATMCI_CMDRDY;
cmd = mrq->cmd; cmd = mrq->cmd;
cmdflags = atmci_prepare_command(slot->mmc, cmd); cmdflags = atmci_prepare_command(slot->mmc, cmd);
atmci_start_command(host, cmd, cmdflags); atmci_start_command(host, cmd, cmdflags);
@@ -836,13 +837,13 @@ static void atmci_start_request(struct atmel_mci *host,
if (mrq->stop) { if (mrq->stop) {
host->stop_cmdr = atmci_prepare_command(slot->mmc, mrq->stop); host->stop_cmdr = atmci_prepare_command(slot->mmc, mrq->stop);
host->stop_cmdr |= MCI_CMDR_STOP_XFER; host->stop_cmdr |= ATMCI_CMDR_STOP_XFER;
if (!(data->flags & MMC_DATA_WRITE)) if (!(data->flags & MMC_DATA_WRITE))
host->stop_cmdr |= MCI_CMDR_TRDIR_READ; host->stop_cmdr |= ATMCI_CMDR_TRDIR_READ;
if (data->flags & MMC_DATA_STREAM) if (data->flags & MMC_DATA_STREAM)
host->stop_cmdr |= MCI_CMDR_STREAM; host->stop_cmdr |= ATMCI_CMDR_STREAM;
else else
host->stop_cmdr |= MCI_CMDR_MULTI_BLOCK; host->stop_cmdr |= ATMCI_CMDR_MULTI_BLOCK;
} }
/* /*
@@ -851,7 +852,7 @@ static void atmci_start_request(struct atmel_mci *host,
* conditions (e.g. command and data complete, but stop not * conditions (e.g. command and data complete, but stop not
* prepared yet.) * prepared yet.)
*/ */
mci_writel(host, IER, iflags); atmci_writel(host, IER, iflags);
} }
static void atmci_queue_request(struct atmel_mci *host, static void atmci_queue_request(struct atmel_mci *host,
@@ -909,13 +910,13 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
struct atmel_mci *host = slot->host; struct atmel_mci *host = slot->host;
unsigned int i; unsigned int i;
slot->sdc_reg &= ~MCI_SDCBUS_MASK; slot->sdc_reg &= ~ATMCI_SDCBUS_MASK;
switch (ios->bus_width) { switch (ios->bus_width) {
case MMC_BUS_WIDTH_1: case MMC_BUS_WIDTH_1:
slot->sdc_reg |= MCI_SDCBUS_1BIT; slot->sdc_reg |= ATMCI_SDCBUS_1BIT;
break; break;
case MMC_BUS_WIDTH_4: case MMC_BUS_WIDTH_4:
slot->sdc_reg |= MCI_SDCBUS_4BIT; slot->sdc_reg |= ATMCI_SDCBUS_4BIT;
break; break;
} }
@@ -926,10 +927,10 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
spin_lock_bh(&host->lock); spin_lock_bh(&host->lock);
if (!host->mode_reg) { if (!host->mode_reg) {
clk_enable(host->mck); clk_enable(host->mck);
mci_writel(host, CR, MCI_CR_SWRST); atmci_writel(host, CR, ATMCI_CR_SWRST);
mci_writel(host, CR, MCI_CR_MCIEN); atmci_writel(host, CR, ATMCI_CR_MCIEN);
if (atmci_is_mci2()) if (atmci_is_mci2())
mci_writel(host, CFG, host->cfg_reg); atmci_writel(host, CFG, host->cfg_reg);
} }
/* /*
@@ -937,7 +938,7 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
* core ios update when finding the minimum. * core ios update when finding the minimum.
*/ */
slot->clock = ios->clock; slot->clock = ios->clock;
for (i = 0; i < ATMEL_MCI_MAX_NR_SLOTS; i++) { for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
if (host->slot[i] && host->slot[i]->clock if (host->slot[i] && host->slot[i]->clock
&& host->slot[i]->clock < clock_min) && host->slot[i]->clock < clock_min)
clock_min = host->slot[i]->clock; clock_min = host->slot[i]->clock;
@@ -952,28 +953,28 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
clkdiv = 255; clkdiv = 255;
} }
host->mode_reg = MCI_MR_CLKDIV(clkdiv); host->mode_reg = ATMCI_MR_CLKDIV(clkdiv);
/* /*
* WRPROOF and RDPROOF prevent overruns/underruns by * WRPROOF and RDPROOF prevent overruns/underruns by
* stopping the clock when the FIFO is full/empty. * stopping the clock when the FIFO is full/empty.
* This state is not expected to last for long. * This state is not expected to last for long.
*/ */
if (mci_has_rwproof()) if (atmci_has_rwproof())
host->mode_reg |= (MCI_MR_WRPROOF | MCI_MR_RDPROOF); host->mode_reg |= (ATMCI_MR_WRPROOF | ATMCI_MR_RDPROOF);
if (atmci_is_mci2()) { if (atmci_is_mci2()) {
/* setup High Speed mode in relation with card capacity */ /* setup High Speed mode in relation with card capacity */
if (ios->timing == MMC_TIMING_SD_HS) if (ios->timing == MMC_TIMING_SD_HS)
host->cfg_reg |= MCI_CFG_HSMODE; host->cfg_reg |= ATMCI_CFG_HSMODE;
else else
host->cfg_reg &= ~MCI_CFG_HSMODE; host->cfg_reg &= ~ATMCI_CFG_HSMODE;
} }
if (list_empty(&host->queue)) { if (list_empty(&host->queue)) {
mci_writel(host, MR, host->mode_reg); atmci_writel(host, MR, host->mode_reg);
if (atmci_is_mci2()) if (atmci_is_mci2())
mci_writel(host, CFG, host->cfg_reg); atmci_writel(host, CFG, host->cfg_reg);
} else { } else {
host->need_clock_update = true; host->need_clock_update = true;
} }
@@ -984,16 +985,16 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
spin_lock_bh(&host->lock); spin_lock_bh(&host->lock);
slot->clock = 0; slot->clock = 0;
for (i = 0; i < ATMEL_MCI_MAX_NR_SLOTS; i++) { for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
if (host->slot[i] && host->slot[i]->clock) { if (host->slot[i] && host->slot[i]->clock) {
any_slot_active = true; any_slot_active = true;
break; break;
} }
} }
if (!any_slot_active) { if (!any_slot_active) {
mci_writel(host, CR, MCI_CR_MCIDIS); atmci_writel(host, CR, ATMCI_CR_MCIDIS);
if (host->mode_reg) { if (host->mode_reg) {
mci_readl(host, MR); atmci_readl(host, MR);
clk_disable(host->mck); clk_disable(host->mck);
} }
host->mode_reg = 0; host->mode_reg = 0;
@@ -1057,9 +1058,9 @@ static void atmci_enable_sdio_irq(struct mmc_host *mmc, int enable)
struct atmel_mci *host = slot->host; struct atmel_mci *host = slot->host;
if (enable) if (enable)
mci_writel(host, IER, slot->sdio_irq); atmci_writel(host, IER, slot->sdio_irq);
else else
mci_writel(host, IDR, slot->sdio_irq); atmci_writel(host, IDR, slot->sdio_irq);
} }
static const struct mmc_host_ops atmci_ops = { static const struct mmc_host_ops atmci_ops = {
@@ -1086,9 +1087,9 @@ static void atmci_request_end(struct atmel_mci *host, struct mmc_request *mrq)
* busy transferring data. * busy transferring data.
*/ */
if (host->need_clock_update) { if (host->need_clock_update) {
mci_writel(host, MR, host->mode_reg); atmci_writel(host, MR, host->mode_reg);
if (atmci_is_mci2()) if (atmci_is_mci2())
mci_writel(host, CFG, host->cfg_reg); atmci_writel(host, CFG, host->cfg_reg);
} }
host->cur_slot->mrq = NULL; host->cur_slot->mrq = NULL;
@@ -1117,16 +1118,16 @@ static void atmci_command_complete(struct atmel_mci *host,
u32 status = host->cmd_status; u32 status = host->cmd_status;
/* Read the response from the card (up to 16 bytes) */ /* Read the response from the card (up to 16 bytes) */
cmd->resp[0] = mci_readl(host, RSPR); cmd->resp[0] = atmci_readl(host, RSPR);
cmd->resp[1] = mci_readl(host, RSPR); cmd->resp[1] = atmci_readl(host, RSPR);
cmd->resp[2] = mci_readl(host, RSPR); cmd->resp[2] = atmci_readl(host, RSPR);
cmd->resp[3] = mci_readl(host, RSPR); cmd->resp[3] = atmci_readl(host, RSPR);
if (status & MCI_RTOE) if (status & ATMCI_RTOE)
cmd->error = -ETIMEDOUT; cmd->error = -ETIMEDOUT;
else if ((cmd->flags & MMC_RSP_CRC) && (status & MCI_RCRCE)) else if ((cmd->flags & MMC_RSP_CRC) && (status & ATMCI_RCRCE))
cmd->error = -EILSEQ; cmd->error = -EILSEQ;
else if (status & (MCI_RINDE | MCI_RDIRE | MCI_RENDE)) else if (status & (ATMCI_RINDE | ATMCI_RDIRE | ATMCI_RENDE))
cmd->error = -EIO; cmd->error = -EIO;
else else
cmd->error = 0; cmd->error = 0;
@@ -1138,8 +1139,8 @@ static void atmci_command_complete(struct atmel_mci *host,
if (cmd->data) { if (cmd->data) {
atmci_stop_dma(host); atmci_stop_dma(host);
host->data = NULL; host->data = NULL;
mci_writel(host, IDR, MCI_NOTBUSY atmci_writel(host, IDR, ATMCI_NOTBUSY
| MCI_TXRDY | MCI_RXRDY | ATMCI_TXRDY | ATMCI_RXRDY
| ATMCI_DATA_ERROR_FLAGS); | ATMCI_DATA_ERROR_FLAGS);
} }
} }
@@ -1191,11 +1192,11 @@ static void atmci_detect_change(unsigned long data)
* Reset controller to terminate any ongoing * Reset controller to terminate any ongoing
* commands or data transfers. * commands or data transfers.
*/ */
mci_writel(host, CR, MCI_CR_SWRST); atmci_writel(host, CR, ATMCI_CR_SWRST);
mci_writel(host, CR, MCI_CR_MCIEN); atmci_writel(host, CR, ATMCI_CR_MCIEN);
mci_writel(host, MR, host->mode_reg); atmci_writel(host, MR, host->mode_reg);
if (atmci_is_mci2()) if (atmci_is_mci2())
mci_writel(host, CFG, host->cfg_reg); atmci_writel(host, CFG, host->cfg_reg);
host->data = NULL; host->data = NULL;
host->cmd = NULL; host->cmd = NULL;
@@ -1261,7 +1262,7 @@ static void atmci_tasklet_func(unsigned long priv)
dev_vdbg(&host->pdev->dev, dev_vdbg(&host->pdev->dev,
"tasklet: state %u pending/completed/mask %lx/%lx/%x\n", "tasklet: state %u pending/completed/mask %lx/%lx/%x\n",
state, host->pending_events, host->completed_events, state, host->pending_events, host->completed_events,
mci_readl(host, IMR)); atmci_readl(host, IMR));
do { do {
prev_state = state; prev_state = state;
@@ -1291,7 +1292,7 @@ static void atmci_tasklet_func(unsigned long priv)
EVENT_DATA_ERROR)) { EVENT_DATA_ERROR)) {
atmci_stop_dma(host); atmci_stop_dma(host);
if (data->stop) if (data->stop)
send_stop_cmd(host, data); atmci_send_stop_cmd(host, data);
state = STATE_DATA_ERROR; state = STATE_DATA_ERROR;
break; break;
} }
@@ -1313,11 +1314,11 @@ static void atmci_tasklet_func(unsigned long priv)
atmci_set_completed(host, EVENT_DATA_COMPLETE); atmci_set_completed(host, EVENT_DATA_COMPLETE);
status = host->data_status; status = host->data_status;
if (unlikely(status & ATMCI_DATA_ERROR_FLAGS)) { if (unlikely(status & ATMCI_DATA_ERROR_FLAGS)) {
if (status & MCI_DTOE) { if (status & ATMCI_DTOE) {
dev_dbg(&host->pdev->dev, dev_dbg(&host->pdev->dev,
"data timeout error\n"); "data timeout error\n");
data->error = -ETIMEDOUT; data->error = -ETIMEDOUT;
} else if (status & MCI_DCRCE) { } else if (status & ATMCI_DCRCE) {
dev_dbg(&host->pdev->dev, dev_dbg(&host->pdev->dev,
"data CRC error\n"); "data CRC error\n");
data->error = -EILSEQ; data->error = -EILSEQ;
@@ -1330,7 +1331,7 @@ static void atmci_tasklet_func(unsigned long priv)
} else { } else {
data->bytes_xfered = data->blocks * data->blksz; data->bytes_xfered = data->blocks * data->blksz;
data->error = 0; data->error = 0;
mci_writel(host, IDR, ATMCI_DATA_ERROR_FLAGS); atmci_writel(host, IDR, ATMCI_DATA_ERROR_FLAGS);
} }
if (!data->stop) { if (!data->stop) {
@@ -1340,7 +1341,7 @@ static void atmci_tasklet_func(unsigned long priv)
prev_state = state = STATE_SENDING_STOP; prev_state = state = STATE_SENDING_STOP;
if (!data->error) if (!data->error)
send_stop_cmd(host, data); atmci_send_stop_cmd(host, data);
/* fall through */ /* fall through */
case STATE_SENDING_STOP: case STATE_SENDING_STOP:
@@ -1380,7 +1381,7 @@ static void atmci_read_data_pio(struct atmel_mci *host)
unsigned int nbytes = 0; unsigned int nbytes = 0;
do { do {
value = mci_readl(host, RDR); value = atmci_readl(host, RDR);
if (likely(offset + 4 <= sg->length)) { if (likely(offset + 4 <= sg->length)) {
put_unaligned(value, (u32 *)(buf + offset)); put_unaligned(value, (u32 *)(buf + offset));
@@ -1412,9 +1413,9 @@ static void atmci_read_data_pio(struct atmel_mci *host)
nbytes += offset; nbytes += offset;
} }
status = mci_readl(host, SR); status = atmci_readl(host, SR);
if (status & ATMCI_DATA_ERROR_FLAGS) { if (status & ATMCI_DATA_ERROR_FLAGS) {
mci_writel(host, IDR, (MCI_NOTBUSY | MCI_RXRDY atmci_writel(host, IDR, (ATMCI_NOTBUSY | ATMCI_RXRDY
| ATMCI_DATA_ERROR_FLAGS)); | ATMCI_DATA_ERROR_FLAGS));
host->data_status = status; host->data_status = status;
data->bytes_xfered += nbytes; data->bytes_xfered += nbytes;
@@ -1423,7 +1424,7 @@ static void atmci_read_data_pio(struct atmel_mci *host)
tasklet_schedule(&host->tasklet); tasklet_schedule(&host->tasklet);
return; return;
} }
} while (status & MCI_RXRDY); } while (status & ATMCI_RXRDY);
host->pio_offset = offset; host->pio_offset = offset;
data->bytes_xfered += nbytes; data->bytes_xfered += nbytes;
@@ -1431,8 +1432,8 @@ static void atmci_read_data_pio(struct atmel_mci *host)
return; return;
done: done:
mci_writel(host, IDR, MCI_RXRDY); atmci_writel(host, IDR, ATMCI_RXRDY);
mci_writel(host, IER, MCI_NOTBUSY); atmci_writel(host, IER, ATMCI_NOTBUSY);
data->bytes_xfered += nbytes; data->bytes_xfered += nbytes;
smp_wmb(); smp_wmb();
atmci_set_pending(host, EVENT_XFER_COMPLETE); atmci_set_pending(host, EVENT_XFER_COMPLETE);
@@ -1451,7 +1452,7 @@ static void atmci_write_data_pio(struct atmel_mci *host)
do { do {
if (likely(offset + 4 <= sg->length)) { if (likely(offset + 4 <= sg->length)) {
value = get_unaligned((u32 *)(buf + offset)); value = get_unaligned((u32 *)(buf + offset));
mci_writel(host, TDR, value); atmci_writel(host, TDR, value);
offset += 4; offset += 4;
nbytes += 4; nbytes += 4;
@@ -1472,20 +1473,20 @@ static void atmci_write_data_pio(struct atmel_mci *host)
host->sg = sg = sg_next(sg); host->sg = sg = sg_next(sg);
if (!sg) { if (!sg) {
mci_writel(host, TDR, value); atmci_writel(host, TDR, value);
goto done; goto done;
} }
offset = 4 - remaining; offset = 4 - remaining;
buf = sg_virt(sg); buf = sg_virt(sg);
memcpy((u8 *)&value + remaining, buf, offset); memcpy((u8 *)&value + remaining, buf, offset);
mci_writel(host, TDR, value); atmci_writel(host, TDR, value);
nbytes += offset; nbytes += offset;
} }
status = mci_readl(host, SR); status = atmci_readl(host, SR);
if (status & ATMCI_DATA_ERROR_FLAGS) { if (status & ATMCI_DATA_ERROR_FLAGS) {
mci_writel(host, IDR, (MCI_NOTBUSY | MCI_TXRDY atmci_writel(host, IDR, (ATMCI_NOTBUSY | ATMCI_TXRDY
| ATMCI_DATA_ERROR_FLAGS)); | ATMCI_DATA_ERROR_FLAGS));
host->data_status = status; host->data_status = status;
data->bytes_xfered += nbytes; data->bytes_xfered += nbytes;
@@ -1494,7 +1495,7 @@ static void atmci_write_data_pio(struct atmel_mci *host)
tasklet_schedule(&host->tasklet); tasklet_schedule(&host->tasklet);
return; return;
} }
} while (status & MCI_TXRDY); } while (status & ATMCI_TXRDY);
host->pio_offset = offset; host->pio_offset = offset;
data->bytes_xfered += nbytes; data->bytes_xfered += nbytes;
@@ -1502,8 +1503,8 @@ static void atmci_write_data_pio(struct atmel_mci *host)
return; return;
done: done:
mci_writel(host, IDR, MCI_TXRDY); atmci_writel(host, IDR, ATMCI_TXRDY);
mci_writel(host, IER, MCI_NOTBUSY); atmci_writel(host, IER, ATMCI_NOTBUSY);
data->bytes_xfered += nbytes; data->bytes_xfered += nbytes;
smp_wmb(); smp_wmb();
atmci_set_pending(host, EVENT_XFER_COMPLETE); atmci_set_pending(host, EVENT_XFER_COMPLETE);
@@ -1511,7 +1512,7 @@ done:
static void atmci_cmd_interrupt(struct atmel_mci *host, u32 status) static void atmci_cmd_interrupt(struct atmel_mci *host, u32 status)
{ {
mci_writel(host, IDR, MCI_CMDRDY); atmci_writel(host, IDR, ATMCI_CMDRDY);
host->cmd_status = status; host->cmd_status = status;
smp_wmb(); smp_wmb();
@@ -1523,7 +1524,7 @@ static void atmci_sdio_interrupt(struct atmel_mci *host, u32 status)
{ {
int i; int i;
for (i = 0; i < ATMEL_MCI_MAX_NR_SLOTS; i++) { for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
struct atmel_mci_slot *slot = host->slot[i]; struct atmel_mci_slot *slot = host->slot[i];
if (slot && (status & slot->sdio_irq)) { if (slot && (status & slot->sdio_irq)) {
mmc_signal_sdio_irq(slot->mmc); mmc_signal_sdio_irq(slot->mmc);
@@ -1539,40 +1540,40 @@ static irqreturn_t atmci_interrupt(int irq, void *dev_id)
unsigned int pass_count = 0; unsigned int pass_count = 0;
do { do {
status = mci_readl(host, SR); status = atmci_readl(host, SR);
mask = mci_readl(host, IMR); mask = atmci_readl(host, IMR);
pending = status & mask; pending = status & mask;
if (!pending) if (!pending)
break; break;
if (pending & ATMCI_DATA_ERROR_FLAGS) { if (pending & ATMCI_DATA_ERROR_FLAGS) {
mci_writel(host, IDR, ATMCI_DATA_ERROR_FLAGS atmci_writel(host, IDR, ATMCI_DATA_ERROR_FLAGS
| MCI_RXRDY | MCI_TXRDY); | ATMCI_RXRDY | ATMCI_TXRDY);
pending &= mci_readl(host, IMR); pending &= atmci_readl(host, IMR);
host->data_status = status; host->data_status = status;
smp_wmb(); smp_wmb();
atmci_set_pending(host, EVENT_DATA_ERROR); atmci_set_pending(host, EVENT_DATA_ERROR);
tasklet_schedule(&host->tasklet); tasklet_schedule(&host->tasklet);
} }
if (pending & MCI_NOTBUSY) { if (pending & ATMCI_NOTBUSY) {
mci_writel(host, IDR, atmci_writel(host, IDR,
ATMCI_DATA_ERROR_FLAGS | MCI_NOTBUSY); ATMCI_DATA_ERROR_FLAGS | ATMCI_NOTBUSY);
if (!host->data_status) if (!host->data_status)
host->data_status = status; host->data_status = status;
smp_wmb(); smp_wmb();
atmci_set_pending(host, EVENT_DATA_COMPLETE); atmci_set_pending(host, EVENT_DATA_COMPLETE);
tasklet_schedule(&host->tasklet); tasklet_schedule(&host->tasklet);
} }
if (pending & MCI_RXRDY) if (pending & ATMCI_RXRDY)
atmci_read_data_pio(host); atmci_read_data_pio(host);
if (pending & MCI_TXRDY) if (pending & ATMCI_TXRDY)
atmci_write_data_pio(host); atmci_write_data_pio(host);
if (pending & MCI_CMDRDY) if (pending & ATMCI_CMDRDY)
atmci_cmd_interrupt(host, status); atmci_cmd_interrupt(host, status);
if (pending & (MCI_SDIOIRQA | MCI_SDIOIRQB)) if (pending & (ATMCI_SDIOIRQA | ATMCI_SDIOIRQB))
atmci_sdio_interrupt(host, status); atmci_sdio_interrupt(host, status);
} while (pass_count++ < 5); } while (pass_count++ < 5);
@@ -1705,7 +1706,7 @@ static void __exit atmci_cleanup_slot(struct atmel_mci_slot *slot,
} }
#ifdef CONFIG_MMC_ATMELMCI_DMA #ifdef CONFIG_MMC_ATMELMCI_DMA
static bool filter(struct dma_chan *chan, void *slave) static bool atmci_filter(struct dma_chan *chan, void *slave)
{ {
struct mci_dma_data *sl = slave; struct mci_dma_data *sl = slave;
@@ -1730,14 +1731,14 @@ static void atmci_configure_dma(struct atmel_mci *host)
dma_cap_mask_t mask; dma_cap_mask_t mask;
setup_dma_addr(pdata->dma_slave, setup_dma_addr(pdata->dma_slave,
host->mapbase + MCI_TDR, host->mapbase + ATMCI_TDR,
host->mapbase + MCI_RDR); host->mapbase + ATMCI_RDR);
/* Try to grab a DMA channel */ /* Try to grab a DMA channel */
dma_cap_zero(mask); dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask); dma_cap_set(DMA_SLAVE, mask);
host->dma.chan = host->dma.chan =
dma_request_channel(mask, filter, pdata->dma_slave); dma_request_channel(mask, atmci_filter, pdata->dma_slave);
} }
if (!host->dma.chan) if (!host->dma.chan)
dev_notice(&host->pdev->dev, "DMA not available, using PIO\n"); dev_notice(&host->pdev->dev, "DMA not available, using PIO\n");
@@ -1789,7 +1790,7 @@ static int __init atmci_probe(struct platform_device *pdev)
goto err_ioremap; goto err_ioremap;
clk_enable(host->mck); clk_enable(host->mck);
mci_writel(host, CR, MCI_CR_SWRST); atmci_writel(host, CR, ATMCI_CR_SWRST);
host->bus_hz = clk_get_rate(host->mck); host->bus_hz = clk_get_rate(host->mck);
clk_disable(host->mck); clk_disable(host->mck);
@@ -1810,13 +1811,13 @@ static int __init atmci_probe(struct platform_device *pdev)
ret = -ENODEV; ret = -ENODEV;
if (pdata->slot[0].bus_width) { if (pdata->slot[0].bus_width) {
ret = atmci_init_slot(host, &pdata->slot[0], ret = atmci_init_slot(host, &pdata->slot[0],
0, MCI_SDCSEL_SLOT_A, MCI_SDIOIRQA); 0, ATMCI_SDCSEL_SLOT_A, ATMCI_SDIOIRQA);
if (!ret) if (!ret)
nr_slots++; nr_slots++;
} }
if (pdata->slot[1].bus_width) { if (pdata->slot[1].bus_width) {
ret = atmci_init_slot(host, &pdata->slot[1], ret = atmci_init_slot(host, &pdata->slot[1],
1, MCI_SDCSEL_SLOT_B, MCI_SDIOIRQB); 1, ATMCI_SDCSEL_SLOT_B, ATMCI_SDIOIRQB);
if (!ret) if (!ret)
nr_slots++; nr_slots++;
} }
@@ -1854,15 +1855,15 @@ static int __exit atmci_remove(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL); platform_set_drvdata(pdev, NULL);
for (i = 0; i < ATMEL_MCI_MAX_NR_SLOTS; i++) { for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
if (host->slot[i]) if (host->slot[i])
atmci_cleanup_slot(host->slot[i], i); atmci_cleanup_slot(host->slot[i], i);
} }
clk_enable(host->mck); clk_enable(host->mck);
mci_writel(host, IDR, ~0UL); atmci_writel(host, IDR, ~0UL);
mci_writel(host, CR, MCI_CR_MCIDIS); atmci_writel(host, CR, ATMCI_CR_MCIDIS);
mci_readl(host, SR); atmci_readl(host, SR);
clk_disable(host->mck); clk_disable(host->mck);
#ifdef CONFIG_MMC_ATMELMCI_DMA #ifdef CONFIG_MMC_ATMELMCI_DMA
@@ -1885,7 +1886,7 @@ static int atmci_suspend(struct device *dev)
struct atmel_mci *host = dev_get_drvdata(dev); struct atmel_mci *host = dev_get_drvdata(dev);
int i; int i;
for (i = 0; i < ATMEL_MCI_MAX_NR_SLOTS; i++) { for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
struct atmel_mci_slot *slot = host->slot[i]; struct atmel_mci_slot *slot = host->slot[i];
int ret; int ret;
@@ -1916,7 +1917,7 @@ static int atmci_resume(struct device *dev)
int i; int i;
int ret = 0; int ret = 0;
for (i = 0; i < ATMEL_MCI_MAX_NR_SLOTS; i++) { for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
struct atmel_mci_slot *slot = host->slot[i]; struct atmel_mci_slot *slot = host->slot[i];
int err; int err;

4
include/linux/atmel-mci.h
View File

@@ -1,7 +1,7 @@
#ifndef __LINUX_ATMEL_MCI_H #ifndef __LINUX_ATMEL_MCI_H
#define __LINUX_ATMEL_MCI_H #define __LINUX_ATMEL_MCI_H
#define ATMEL_MCI_MAX_NR_SLOTS 2 #define ATMCI_MAX_NR_SLOTS 2
/** /**
* struct mci_slot_pdata - board-specific per-slot configuration * struct mci_slot_pdata - board-specific per-slot configuration
@@ -33,7 +33,7 @@ struct mci_slot_pdata {
*/ */
struct mci_platform_data { struct mci_platform_data {
struct mci_dma_data *dma_slave; struct mci_dma_data *dma_slave;
struct mci_slot_pdata slot[ATMEL_MCI_MAX_NR_SLOTS]; struct mci_slot_pdata slot[ATMCI_MAX_NR_SLOTS];
}; };
#endif /* __LINUX_ATMEL_MCI_H */ #endif /* __LINUX_ATMEL_MCI_H */