4cb32906e4
drivers/mmc/host/tmio_mmc.h: In function 'tmio_mmc_kmap_atomic': drivers/mmc/host/tmio_mmc.h:147: error: implicit declaration of function 'kmap_atomic' drivers/mmc/host/tmio_mmc.h:147: error: 'KM_BIO_SRC_IRQ' undeclared (first use in this function) drivers/mmc/host/tmio_mmc.h: In function 'tmio_mmc_kunmap_atomic': drivers/mmc/host/tmio_mmc.h:153: error: implicit declaration of function 'kunmap_atomic' drivers/mmc/host/tmio_mmc.h:153: error: 'KM_BIO_SRC_IRQ' undeclared (first use in this function) Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
197 lines
5.4 KiB
C
197 lines
5.4 KiB
C
/* Definitons for use with the tmio_mmc.c
|
|
*
|
|
* (c) 2004 Ian Molton <spyro@f2s.com>
|
|
* (c) 2007 Ian Molton <spyro@f2s.com>
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#include <linux/highmem.h>
|
|
|
|
#define CNF_CMD 0x04
|
|
#define CNF_CTL_BASE 0x10
|
|
#define CNF_INT_PIN 0x3d
|
|
#define CNF_STOP_CLK_CTL 0x40
|
|
#define CNF_GCLK_CTL 0x41
|
|
#define CNF_SD_CLK_MODE 0x42
|
|
#define CNF_PIN_STATUS 0x44
|
|
#define CNF_PWR_CTL_1 0x48
|
|
#define CNF_PWR_CTL_2 0x49
|
|
#define CNF_PWR_CTL_3 0x4a
|
|
#define CNF_CARD_DETECT_MODE 0x4c
|
|
#define CNF_SD_SLOT 0x50
|
|
#define CNF_EXT_GCLK_CTL_1 0xf0
|
|
#define CNF_EXT_GCLK_CTL_2 0xf1
|
|
#define CNF_EXT_GCLK_CTL_3 0xf9
|
|
#define CNF_SD_LED_EN_1 0xfa
|
|
#define CNF_SD_LED_EN_2 0xfe
|
|
|
|
#define SDCREN 0x2 /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/
|
|
|
|
#define CTL_SD_CMD 0x00
|
|
#define CTL_ARG_REG 0x04
|
|
#define CTL_STOP_INTERNAL_ACTION 0x08
|
|
#define CTL_XFER_BLK_COUNT 0xa
|
|
#define CTL_RESPONSE 0x0c
|
|
#define CTL_STATUS 0x1c
|
|
#define CTL_IRQ_MASK 0x20
|
|
#define CTL_SD_CARD_CLK_CTL 0x24
|
|
#define CTL_SD_XFER_LEN 0x26
|
|
#define CTL_SD_MEM_CARD_OPT 0x28
|
|
#define CTL_SD_ERROR_DETAIL_STATUS 0x2c
|
|
#define CTL_SD_DATA_PORT 0x30
|
|
#define CTL_TRANSACTION_CTL 0x34
|
|
#define CTL_RESET_SD 0xe0
|
|
#define CTL_SDIO_REGS 0x100
|
|
#define CTL_CLK_AND_WAIT_CTL 0x138
|
|
#define CTL_RESET_SDIO 0x1e0
|
|
|
|
/* Definitions for values the CTRL_STATUS register can take. */
|
|
#define TMIO_STAT_CMDRESPEND 0x00000001
|
|
#define TMIO_STAT_DATAEND 0x00000004
|
|
#define TMIO_STAT_CARD_REMOVE 0x00000008
|
|
#define TMIO_STAT_CARD_INSERT 0x00000010
|
|
#define TMIO_STAT_SIGSTATE 0x00000020
|
|
#define TMIO_STAT_WRPROTECT 0x00000080
|
|
#define TMIO_STAT_CARD_REMOVE_A 0x00000100
|
|
#define TMIO_STAT_CARD_INSERT_A 0x00000200
|
|
#define TMIO_STAT_SIGSTATE_A 0x00000400
|
|
#define TMIO_STAT_CMD_IDX_ERR 0x00010000
|
|
#define TMIO_STAT_CRCFAIL 0x00020000
|
|
#define TMIO_STAT_STOPBIT_ERR 0x00040000
|
|
#define TMIO_STAT_DATATIMEOUT 0x00080000
|
|
#define TMIO_STAT_RXOVERFLOW 0x00100000
|
|
#define TMIO_STAT_TXUNDERRUN 0x00200000
|
|
#define TMIO_STAT_CMDTIMEOUT 0x00400000
|
|
#define TMIO_STAT_RXRDY 0x01000000
|
|
#define TMIO_STAT_TXRQ 0x02000000
|
|
#define TMIO_STAT_ILL_FUNC 0x20000000
|
|
#define TMIO_STAT_CMD_BUSY 0x40000000
|
|
#define TMIO_STAT_ILL_ACCESS 0x80000000
|
|
|
|
/* Define some IRQ masks */
|
|
/* This is the mask used at reset by the chip */
|
|
#define TMIO_MASK_ALL 0x837f031d
|
|
#define TMIO_MASK_READOP (TMIO_STAT_RXRDY | TMIO_STAT_DATAEND | \
|
|
TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT)
|
|
#define TMIO_MASK_WRITEOP (TMIO_STAT_TXRQ | TMIO_STAT_DATAEND | \
|
|
TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT)
|
|
#define TMIO_MASK_CMD (TMIO_STAT_CMDRESPEND | TMIO_STAT_CMDTIMEOUT | \
|
|
TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT)
|
|
#define TMIO_MASK_IRQ (TMIO_MASK_READOP | TMIO_MASK_WRITEOP | TMIO_MASK_CMD)
|
|
|
|
#define enable_mmc_irqs(ctl, i) \
|
|
do { \
|
|
u32 mask;\
|
|
mask = tmio_ioread32((ctl) + CTL_IRQ_MASK); \
|
|
mask &= ~((i) & TMIO_MASK_IRQ); \
|
|
tmio_iowrite32(mask, (ctl) + CTL_IRQ_MASK); \
|
|
} while (0)
|
|
|
|
#define disable_mmc_irqs(ctl, i) \
|
|
do { \
|
|
u32 mask;\
|
|
mask = tmio_ioread32((ctl) + CTL_IRQ_MASK); \
|
|
mask |= ((i) & TMIO_MASK_IRQ); \
|
|
tmio_iowrite32(mask, (ctl) + CTL_IRQ_MASK); \
|
|
} while (0)
|
|
|
|
#define ack_mmc_irqs(ctl, i) \
|
|
do { \
|
|
u32 mask;\
|
|
mask = tmio_ioread32((ctl) + CTL_STATUS); \
|
|
mask &= ~((i) & TMIO_MASK_IRQ); \
|
|
tmio_iowrite32(mask, (ctl) + CTL_STATUS); \
|
|
} while (0)
|
|
|
|
|
|
struct tmio_mmc_host {
|
|
void __iomem *cnf;
|
|
void __iomem *ctl;
|
|
struct mmc_command *cmd;
|
|
struct mmc_request *mrq;
|
|
struct mmc_data *data;
|
|
struct mmc_host *mmc;
|
|
int irq;
|
|
|
|
/* pio related stuff */
|
|
struct scatterlist *sg_ptr;
|
|
unsigned int sg_len;
|
|
unsigned int sg_off;
|
|
};
|
|
|
|
#include <linux/scatterlist.h>
|
|
#include <linux/blkdev.h>
|
|
|
|
static inline void tmio_mmc_init_sg(struct tmio_mmc_host *host,
|
|
struct mmc_data *data)
|
|
{
|
|
host->sg_len = data->sg_len;
|
|
host->sg_ptr = data->sg;
|
|
host->sg_off = 0;
|
|
}
|
|
|
|
static inline int tmio_mmc_next_sg(struct tmio_mmc_host *host)
|
|
{
|
|
host->sg_ptr = sg_next(host->sg_ptr);
|
|
host->sg_off = 0;
|
|
return --host->sg_len;
|
|
}
|
|
|
|
static inline char *tmio_mmc_kmap_atomic(struct tmio_mmc_host *host,
|
|
unsigned long *flags)
|
|
{
|
|
struct scatterlist *sg = host->sg_ptr;
|
|
|
|
local_irq_save(*flags);
|
|
return kmap_atomic(sg_page(sg), KM_BIO_SRC_IRQ) + sg->offset;
|
|
}
|
|
|
|
static inline void tmio_mmc_kunmap_atomic(struct tmio_mmc_host *host,
|
|
unsigned long *flags)
|
|
{
|
|
kunmap_atomic(sg_page(host->sg_ptr), KM_BIO_SRC_IRQ);
|
|
local_irq_restore(*flags);
|
|
}
|
|
|
|
#ifdef CONFIG_MMC_DEBUG
|
|
|
|
#define STATUS_TO_TEXT(a) \
|
|
do { \
|
|
if (status & TMIO_STAT_##a) \
|
|
printk(#a); \
|
|
} while (0)
|
|
|
|
void pr_debug_status(u32 status)
|
|
{
|
|
printk(KERN_DEBUG "status: %08x = ", status);
|
|
STATUS_TO_TEXT(CARD_REMOVE);
|
|
STATUS_TO_TEXT(CARD_INSERT);
|
|
STATUS_TO_TEXT(SIGSTATE);
|
|
STATUS_TO_TEXT(WRPROTECT);
|
|
STATUS_TO_TEXT(CARD_REMOVE_A);
|
|
STATUS_TO_TEXT(CARD_INSERT_A);
|
|
STATUS_TO_TEXT(SIGSTATE_A);
|
|
STATUS_TO_TEXT(CMD_IDX_ERR);
|
|
STATUS_TO_TEXT(STOPBIT_ERR);
|
|
STATUS_TO_TEXT(ILL_FUNC);
|
|
STATUS_TO_TEXT(CMD_BUSY);
|
|
STATUS_TO_TEXT(CMDRESPEND);
|
|
STATUS_TO_TEXT(DATAEND);
|
|
STATUS_TO_TEXT(CRCFAIL);
|
|
STATUS_TO_TEXT(DATATIMEOUT);
|
|
STATUS_TO_TEXT(CMDTIMEOUT);
|
|
STATUS_TO_TEXT(RXOVERFLOW);
|
|
STATUS_TO_TEXT(TXUNDERRUN);
|
|
STATUS_TO_TEXT(RXRDY);
|
|
STATUS_TO_TEXT(TXRQ);
|
|
STATUS_TO_TEXT(ILL_ACCESS);
|
|
printk("\n");
|
|
}
|
|
|
|
#else
|
|
#define pr_debug_status(s) do { } while (0)
|
|
#endif
|