Re: [PATCH 3/4] mmc: Import some defines for R1 responses

[Jaehoon Chung <jh80.chung@gmail.com>]

On 3/31/22 01:54, Sean Anderson wrote:
> This imports defines for R1 responses from include/linux/mmc/mmc.h from
> Linux 5.10.
> 
> Signed-off-by: Sean Anderson <seanga2@gmail.com>

Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>

Best Regards,
Jaehoon Chung

> ---
> Yes, this is an old version, but it's what I had checked out, and I don't think
> there are any new fields we need to handle :)
> 
>  include/mmc.h | 52 +++++++++++++++++++++++++++++++++++++++++++++++++--
>  1 file changed, 50 insertions(+), 2 deletions(-)
> 
> diff --git a/include/mmc.h b/include/mmc.h
> index 6bdcce881d..7304eee0d4 100644
> --- a/include/mmc.h
> +++ b/include/mmc.h
> @@ -311,8 +311,56 @@ static inline bool mmc_is_tuning_cmd(uint cmdidx)
>  #define EXT_CSD_WR_DATA_REL_USR		(1 << 0)	/* user data area WR_REL */
>  #define EXT_CSD_WR_DATA_REL_GP(x)	(1 << ((x)+1))	/* GP part (x+1) WR_REL */
>  
> -#define R1_ILLEGAL_COMMAND		(1 << 22)
> -#define R1_APP_CMD			(1 << 5)
> +/*
> +  MMC status in R1, for native mode (SPI bits are different)
> +  Type
> +	e : error bit
> +	s : status bit
> +	r : detected and set for the actual command response
> +	x : detected and set during command execution. the host must poll
> +            the card by sending status command in order to read these bits.
> +  Clear condition
> +	a : according to the card state
> +	b : always related to the previous command. Reception of
> +            a valid command will clear it (with a delay of one command)
> +	c : clear by read
> + */
> +
> +#define R1_OUT_OF_RANGE		(1 << 31)	/* er, c */
> +#define R1_ADDRESS_ERROR	(1 << 30)	/* erx, c */
> +#define R1_BLOCK_LEN_ERROR	(1 << 29)	/* er, c */
> +#define R1_ERASE_SEQ_ERROR      (1 << 28)	/* er, c */
> +#define R1_ERASE_PARAM		(1 << 27)	/* ex, c */
> +#define R1_WP_VIOLATION		(1 << 26)	/* erx, c */
> +#define R1_CARD_IS_LOCKED	(1 << 25)	/* sx, a */
> +#define R1_LOCK_UNLOCK_FAILED	(1 << 24)	/* erx, c */
> +#define R1_COM_CRC_ERROR	(1 << 23)	/* er, b */
> +#define R1_ILLEGAL_COMMAND	(1 << 22)	/* er, b */
> +#define R1_CARD_ECC_FAILED	(1 << 21)	/* ex, c */
> +#define R1_CC_ERROR		(1 << 20)	/* erx, c */
> +#define R1_ERROR		(1 << 19)	/* erx, c */
> +#define R1_UNDERRUN		(1 << 18)	/* ex, c */
> +#define R1_OVERRUN		(1 << 17)	/* ex, c */
> +#define R1_CID_CSD_OVERWRITE	(1 << 16)	/* erx, c, CID/CSD overwrite */
> +#define R1_WP_ERASE_SKIP	(1 << 15)	/* sx, c */
> +#define R1_CARD_ECC_DISABLED	(1 << 14)	/* sx, a */
> +#define R1_ERASE_RESET		(1 << 13)	/* sr, c */
> +#define R1_STATUS(x)            (x & 0xFFF9A000)
> +#define R1_CURRENT_STATE(x)	((x & 0x00001E00) >> 9)	/* sx, b (4 bits) */
> +#define R1_READY_FOR_DATA	(1 << 8)	/* sx, a */
> +#define R1_SWITCH_ERROR		(1 << 7)	/* sx, c */
> +#define R1_EXCEPTION_EVENT	(1 << 6)	/* sr, a */
> +#define R1_APP_CMD		(1 << 5)	/* sr, c */
> +
> +#define R1_STATE_IDLE	0
> +#define R1_STATE_READY	1
> +#define R1_STATE_IDENT	2
> +#define R1_STATE_STBY	3
> +#define R1_STATE_TRAN	4
> +#define R1_STATE_DATA	5
> +#define R1_STATE_RCV	6
> +#define R1_STATE_PRG	7
> +#define R1_STATE_DIS	8
>  
>  #define MMC_RSP_PRESENT (1 << 0)
>  #define MMC_RSP_136	(1 << 1)		/* 136 bit response */