mirror of
https://github.com/apache/nuttx.git
synced 2026-06-07 01:05:54 +08:00
Add IOCTLs and card identification logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2253 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
@@ -81,7 +81,12 @@
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#define STM32_CLCKCR_TRANSFER \
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(SDIO_TRANSFER_CLKDIV|SDIO_CLKCR_RISINGEDGE|SDIO_CLKCR_WIDBUS_D1)
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#define STM32_CLKCR_WIDETRANSFER \
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(SDIO_TRANSFER_CLKDIV|SDIO_CLKCR_RISINGEDGE|SDIO_CLKCR_WIDBUS_D4)
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(SDIO_TRANSFER_CLKDIV|SDIO_CLKCR_RISINGEDGE|SDIO_CLKCR_WIDBUS_D4)
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/* Timing */
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#define SDIO_CMDTIMEOUT 100000
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#define SDIO_LONGTIMEOUT 0x7fffffff
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/****************************************************************************
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* Private Types
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@@ -139,7 +144,8 @@ static int stm32_attach(FAR struct sdio_dev_s *dev);
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static void stm32_sendcmd(FAR struct sdio_dev_s *dev, uint32 cmd, uint32 arg);
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static int stm32_senddata(FAR struct sdio_dev_s *dev,
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FAR const ubyte *buffer);
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static int stm32_waitresponseFAR struct sdio_dev_s *dev, uint32 cmd);
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static int stm32_recvshortcrc(FAR struct sdio_dev_s *dev, uint32 cmd, uint32 *rshort);
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static int stm32_recvlong(FAR struct sdio_dev_s *dev, uint32 cmd, uint32 rlong[4]);
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static int stm32_recvshort(FAR struct sdio_dev_s *dev, uint32 cmd, uint32 *rshort);
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@@ -191,7 +197,8 @@ struct stm32_dev_s g_mmcsd =
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.setblocklen = stm32_setblocklen,
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.attach = stm32_attach,
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.sendcmd = stm32_sendcmd,
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.senddata = stm32_senddata,
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.senddata = stm32_senddata,
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.waitresponse = stm32_waitresponse,
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.recvR1 = stm32_recvshortcrc,
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.recvR2 = stm32_recvlong,
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.recvR3 = stm32_recvshort,
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@@ -629,6 +636,71 @@ static int stm32_senddata(FAR struct sdio_dev_s *dev, FAR const ubyte *buffer)
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return -ENOSYS;
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}
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/****************************************************************************
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* Name: stm32_waitresponse
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*
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* Description:
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* Poll-wait for the response to the last command to be ready.
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*
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* Input Parameters:
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* dev - An instance of the MMC/SD device interface
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* cmd - The command that was sent. See 32-bit command definitions above.
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*
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* Returned Value:
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* OK is success; a negated errno on failure
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*
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****************************************************************************/
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static int stm32_waitresponseFAR struct sdio_dev_s *dev, uint32 cmd)
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{
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sint32 timeout = SDIO_LONGTIMEOUT;
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uint32 events;
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switch (cmd & MMCSD_RESPONSE_MASK)
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{
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case MMCSD_NO_RESPONSE:
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timeout = SDIO_CMDTIMEOUT;
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events = SDIO_STA_CMDSENT;
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break;
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case MMCSD_R1_RESPONSE:
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case MMCSD_R1B_RESPONSE:
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case MMCSD_R2_RESPONSE:
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case MMCSD_R6_RESPONSE:
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events = SDIO_STA_CTIMEOUT|SDIO_STA_CCRCFAIL|SDIO_STA_CMDREND;
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break;
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case MMCSD_R4_RESPONSE:
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case MMCSD_R5_RESPONSE:
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return -ENOSYS;
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case MMCSD_R3_RESPONSE:
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case MMCSD_R7_RESPONSE:
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events = SDIO_STA_CTIMEOUT|SDIO_STA_CMDREND;
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timeout = SDIO_CMDTIMEOUT;
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break;
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default:
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return -EINVAL;
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}
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/* Then wait for the response (or timeout) */
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while ((getreg32(STM32_SDIO_STA) & events) == 0)
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{
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if (--timeout <= 0)
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{
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fdbg("ERROR: Timeout cmd=%04x\n", cmd);
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return -ETIMEDOUT;
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}
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}
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/* Clear all the static flags */
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putreg32(SDIO_ICR_STATICFLAGS, STM32_SDIO_ICR);
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return OK;
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}
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/****************************************************************************
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* Name: stm32_recvRx
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*
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@@ -817,7 +889,7 @@ static int stm32_recvshort(FAR struct sdio_dev_s *dev, uint32 cmd, uint32 *rshor
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}
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#endif
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regval = getreg32(STM32_SDIO_STA);
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regval = getreg32(STM32_SDIO_STA);
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if (regval & SDIO_STA_CTIMEOUT)
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{
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putreg32(SDIO_ICR_CTIMEOUTC, STM32_SDIO_ICR);
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+488
-17
File diff suppressed because it is too large
Load Diff
@@ -47,6 +47,108 @@
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* Pre-Processor Definitions
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********************************************************************************************/
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/* CMD8 Argument:
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* [31:12]: Reserved (shall be set to '0')
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* [11:8]: Supply Voltage (VHS) 0x1 (Range: 2.7-3.6 V)
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* [7:0]: Check Pattern (recommended 0xaa)
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* CMD8 Response: R7
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*/
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#define MMCSD_CMD8VOLTAGE_SHIFT 8 /* Bits 8-11: Supply voltage */
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#define MMCSD_CMD8VOLTAGE_MASK (0x0f << MMCSD_CMD8VOLTAGE_SHIFT)
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# define MMCSD_CMD8VOLTAGE_27 (0x01 << MMCSD_CMD8VOLTAGE_SHIFT) /* 2.7-3.6V */
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#define MMCSD_CMD8ECHO_SHIFT 0 /* Bits 0-7: Check pattern */
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#define MMCSD_CMD8ECHO_MASK (0xff << MMCSD_CMD8ECHO_SHIFT)
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# define MMCSD_CMD8CHECKPATTERN (0xaa << MMCSD_CMD8ECHO_SHIFT)
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/* ACMD41 argument */
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#define MMCD_ACMD41_VOLTAGEWINDOW 0x80100000
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#define MMCD_ACMD41_HIGHCAPACITY (1 << 30)
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#define MMCD_ACMD41_STDCAPACITY (0)
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/* R1 Card Status bit definitions */
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#define MMCSD_R1_OUTOFRANGE (1 << 31) /* Bad argument */
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#define MMCSD_R1_ADDRESSERROR (1 << 30) /* Bad address */
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#define MMCSD_R1_BLOCKLENERROR (1 << 29) /* Bad block length */
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#define MMCSD_R1_ERASESEQERROR (1 << 28) /* Erase cmd error */
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#define MMCSD_R1_ERASEPARAM (1 << 27) /* Bad write blocks */
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#define MMCSD_R1_WPVIOLATION (1 << 26) /* Erase access failure */
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#define MMCSD_R1_CARDISLOCKED (1 << 25) /* Card is locked */
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#define MMCSD_R1_LOCKUNLOCKFAILED (1 << 24) /* Password error */
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#define MMCSD_R1_COMCRCERROR (1 << 23) /* CRC error */
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#define MMCSD_R1_ILLEGALCOMMAND (1 << 22) /* Bad command */
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#define MMCSD_R1_CARDECCFAILED (1 << 21) /* Failed to correct data */
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#define MMCSD_R1_CCERROR (1 << 20) /* Card controller error */
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#define MMCSD_R1_ERROR (1 << 19) /* General error */
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#define MMCSD_R1_UNDERRUN (1 << 18) /* Underrun (MMC only) */
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#define MMCSD_R1_OVERRRUN (1 << 17) /* Overrun (MMC only) */
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#define MMCSD_R1_CIDCSDOVERWRITE (1 << 16) /* CID/CSD error */
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#define MMCSD_R1_WPERASESKIP (1 << 15) /* Not all erased */
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#define MMCSD_R1_CARDECCDISABLED (1 << 14) /* Internal ECC not used */
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#define MMCSD_R1_ERASERESET (1 << 13) /* Reset sequence cleared */
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#define MMCSD_R1_STATE_SHIFT (9) /* Current card state */
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#define MMCSD_R1_STATE_MASK (15 << MMCSD_R1_STATE_SHIFT)
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/* Card identification mode states */
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# define MMCSD_R1_STATE_IDLE (0 << MMCSD_R1_STATE_SHIFT) /* 0=Idle state */
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# define MMCSD_R1_STATE_READY (1 << MMCSD_R1_STATE_SHIFT) /* 1=Ready state */
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# define MMCSD_R1_STATE_IDENT (2 << MMCSD_R1_STATE_SHIFT) /* 2=Identification state */
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/* Data transfer states */
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# define MMCSD_R1_STATE_STBY (3 << MMCSD_R1_STATE_SHIFT) /* 3=Standby state */
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# define MMCSD_R1_STATE_TRAN (4 << MMCSD_R1_STATE_SHIFT) /* 4=Transfer state */
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# define MMCSD_R1_STATE_DATA (5 << MMCSD_R1_STATE_SHIFT) /* 5=Sending data state */
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# define MMCSD_R1_STATE_RCV (6 << MMCSD_R1_STATE_SHIFT) /* 6=Receiving data state */
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# define MMCSD_R1_STATE_PRG (7 << MMCSD_R1_STATE_SHIFT) /* 7=Programming state */
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# define MMCSD_R1_STATE_DIS (8 << MMCSD_R1_STATE_SHIFT) /* 8=Disconnect state */
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#define MMCSD_R1_READYFORDATA (1 << 8) /* Buffer empty */
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#define MMCSD_R1_APPCMD (1 << 5) /* Next CMD is ACMD */
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#define MMCSD_R1_AKESEQERROR (1 << 3) /* Authentication error */
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#define MMCSD_R1_ERRORMASK 0xfdff0008 /* Error mask */
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#define IS_STATE(v,s) (((v)&MMCSD_R1_CURRENTSTATE_MASK)==(s))
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/* R3 (OCR) */
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#define MMC_VDD_20_36 0x00ffff00 /* VDD voltage 2.0-3.6 */
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#define MMCSD_VDD_145_150 (1 << 0) /* VDD voltage 1.45 - 1.50 */
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#define MMCSD_VDD_150_155 (1 << 1) /* VDD voltage 1.50 - 1.55 */
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#define MMCSD_VDD_155_160 (1 << 2) /* VDD voltage 1.55 - 1.60 */
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#define MMCSD_VDD_160_165 (1 << 3) /* VDD voltage 1.60 - 1.65 */
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#define MMCSD_VDD_165_170 (1 << 4) /* VDD voltage 1.65 - 1.70 */
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#define MMCSD_VDD_17_18 (1 << 5) /* VDD voltage 1.7 - 1.8 */
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#define MMCSD_VDD_18_19 (1 << 6) /* VDD voltage 1.8 - 1.9 */
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#define MMCSD_VDD_19_20 (1 << 7) /* VDD voltage 1.9 - 2.0 */
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#define MMCSD_VDD_20_21 (1 << 8) /* VDD voltage 2.0-2.1 */
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#define MMCSD_VDD_21_22 (1 << 9) /* VDD voltage 2.1-2.2 */
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#define MMCSD_VDD_22_23 (1 << 10) /* VDD voltage 2.2-2.3 */
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#define MMCSD_VDD_23_24 (1 << 11) /* VDD voltage 2.3-2.4 */
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#define MMCSD_VDD_24_25 (1 << 12) /* VDD voltage 2.4-2.5 */
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#define MMCSD_VDD_25_26 (1 << 13) /* VDD voltage 2.5-2.6 */
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#define MMCSD_VDD_26_27 (1 << 14) /* VDD voltage 2.6-2.7 */
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#define MMCSD_VDD_27_28 (1 << 15) /* VDD voltage 2.7-2.8 */
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#define MMCSD_VDD_28_29 (1 << 16) /* VDD voltage 2.8-2.9 */
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#define MMCSD_VDD_29_30 (1 << 17) /* VDD voltage 2.9-3.0 */
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#define MMCSD_VDD_30_31 (1 << 18) /* VDD voltage 3.0-3.1 */
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#define MMCSD_VDD_31_32 (1 << 19) /* VDD voltage 3.1-3.2 */
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#define MMCSD_VDD_32_33 (1 << 20) /* VDD voltage 3.2-3.3 */
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#define MMCSD_VDD_33_34 (1 << 21) /* VDD voltage 3.3-3.4 */
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#define MMCSD_VDD_34_35 (1 << 22) /* VDD voltage 3.4-3.5 */
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#define MMCSD_VDD_35_36 (1 << 23) /* VDD voltage 3.5-3.6 */
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#define MMCD_R3_HIGHCAPACITY (1 << 30) /* TRUE: Card supports block addressing */
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#define MMCSD_CARD_BUSY (1 << 31) /* Card power-up busy bit */
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/* Last 4 bytes of the 48-bit R7 response */
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#define MMCSD_R7VERSION_SHIFT 28 /* Bits 28-31: Command version number */
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#define MMCSD_R7VERSION_MASK (0x0f << MMCSD_R7VERSION_SHIFT)
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#define MMCSD_R7VOLTAGE_SHIFT 8 /* Bits 8-11: Voltage accepted */
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#define MMCSD_R7VOLTAGE_MASK (0x0f << MMCSD_R7VOLTAGE_SHIFT)
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# define MMCSD_R7VOLTAGE_27 (0x01 << MMCSD_R7VOLTAGE_SHIFT) /* 2.7-3.6V */
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#define MMCSD_R7ECHO_SHIFT 0 /* Bits 0-7: Echoed check pattern */
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#define MMCSD_R7ECHO_MASK (0xff << MMCSD_R7ECHO_SHIFT)
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# define MMCSD_R7CHECKPATTERN (0xaa << MMCSD_R7ECHO_SHIFT)
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/********************************************************************************************
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* Public Types
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+11
-2
@@ -97,12 +97,21 @@
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#define _BIOCVALID(c) (_IOC_TYPE(c)==_BIOCBASE)
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#define _BIOC(nr) _IOC(_BIOCBASE,nr)
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#define BIOC_XIPBASE _BIOC(0x0001) /* IN: Pointer to pointer to void in
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#define BIOC_XIPBASE _BIOC(0x0001) /* Perform mapping to random access memory.
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* IN: Pointer to pointer to void in
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* which to received the XIP base.
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* OUT: If media is directly acccesible,
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* return (void*) base address
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* of device memory */
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#define BIOC_PROBE _BIOC(0x0002) /* Re-probe and interface; check for media
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* in the slot
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* IN: None
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* OUT: None (ioctl return value provides
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* success/failure indication). */
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#define BIOC_EJECT _BIOC(0x0003) /* Eject/disable media in the slot
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* IN: None
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* OUT: None (ioctl return value provides
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* success/failure indication). */
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/* NuttX MTD driver ioctl definitions */
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#define _MTDIOCVALID(c) (_IOC_TYPE(c)==_MTDIOCBASE)
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+24
-5
@@ -313,7 +313,7 @@
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*
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****************************************************************************/
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#define SDIO_STATUS(dev) ((d)->status(dev))
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#define SDIO_STATUS(dev) ((dev)->status(dev))
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/* MMC/SD status bits */
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@@ -430,6 +430,23 @@
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#define SDIO_SENDDATA(dev,data) ((dev)->senddata(dev,data))
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/****************************************************************************
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* Name: SDIO_WAITRESPONSE
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*
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* Description:
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* Poll-wait for the response to the last command to be ready.
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*
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* Input Parameters:
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* dev - An instance of the MMC/SD device interface
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* cmd - The command that was sent. See 32-bit command definitions above.
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*
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* Returned Value:
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* OK is success; a negated errno on failure
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*
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****************************************************************************/
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#define SDIO_WAITRESPONSE(dev,cmd) ((dev)->waitresponse(dev,cmd))
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/****************************************************************************
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* Name: SDIO_RECVRx
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*
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@@ -694,10 +711,11 @@
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enum sdio_clock_e
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{
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CLOCK_SDIO_DISABLED = 0, /* Clock is disabled */
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CLOCK_MMC_SLOW, /* MMC initialization clocking */
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CLOCK_SD_SLOW, /* SD initialization clocking */
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CLOCK_MMC_FAST, /* MMC normal operation clocking */
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CLOCK_SD_FAST /* SD normal operation clocking */
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CLOCK_IDMODE, /* Initial ID mode clocking (<400KHz) */
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CLOCK_MMC_SLOW, /* MMC initialization clocking */
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CLOCK_SD_SLOW, /* SD initialization clocking */
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CLOCK_MMC_FAST, /* MMC normal operation clocking */
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CLOCK_SD_FAST /* SD normal operation clocking */
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};
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/* This structure defines the interface between the NuttX MMC/SD
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@@ -728,6 +746,7 @@ struct sdio_dev_s
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void (*sendcmd)(FAR struct sdio_dev_s *dev, uint32 cmd, uint32 arg);
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int (*senddata)(FAR struct sdio_dev_s *dev, FAR const ubyte *buffer);
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int (*waitresponse)(FAR struct sdio_dev_s *dev, uint32 cmd);
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int (*recvR1)(FAR struct sdio_dev_s *dev, uint32 cmd, uint32 *R1);
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int (*recvR2)(FAR struct sdio_dev_s *dev, uint32 cmd, uint32 R2[4]);
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int (*recvR3)(FAR struct sdio_dev_s *dev, uint32 cmd, uint32 *R3);
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