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authorBernard Xiong <[email protected]>2021-05-28 16:20:08 +0800
committerGitHub <[email protected]>2021-05-28 16:20:08 +0800
commit92beddf3bccf6346e26aa097f82464456fb8e6bd (patch)
tree197e4a108118dda016ea02274172f0c40e7ee8ed /components/drivers/sdio/mmc.c
parentb18a99b44240ec3152011e159cc24a5af8dff0ce (diff)
parent03f4d40e30f3c94e1db0b3a65b3610dee695694a (diff)
Merge pull request #4737 from mysterywolf/3,1,xformatv3.1.5
[lts 3.1.x] format codes
Diffstat (limited to 'components/drivers/sdio/mmc.c')
-rw-r--r--components/drivers/sdio/mmc.c134
1 files changed, 67 insertions, 67 deletions
diff --git a/components/drivers/sdio/mmc.c b/components/drivers/sdio/mmc.c
index c1c56d37fd..5aba3dba7a 100644
--- a/components/drivers/sdio/mmc.c
+++ b/components/drivers/sdio/mmc.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
@@ -45,9 +45,9 @@ static const rt_uint8_t tacc_value[] =
rt_inline rt_uint32_t GET_BITS(rt_uint32_t *resp,
rt_uint32_t start,
rt_uint32_t size)
-{
+{
const rt_int32_t __size = size;
- const rt_uint32_t __mask = (__size < 32 ? 1 << __size : 0) - 1;
+ const rt_uint32_t __mask = (__size < 32 ? 1 << __size : 0) - 1;
const rt_int32_t __off = 3 - ((start) / 32);
const rt_int32_t __shft = (start) & 31;
rt_uint32_t __res;
@@ -67,7 +67,7 @@ static rt_int32_t mmcsd_parse_csd(struct rt_mmcsd_card *card)
rt_uint32_t a, b;
struct rt_mmcsd_csd *csd = &card->csd;
rt_uint32_t *resp = card->resp_csd;
-
+
/*
* We only understand CSD structure v1.1 and v1.2.
* v1.2 has extra information in bits 15, 11 and 10.
@@ -76,10 +76,10 @@ static rt_int32_t mmcsd_parse_csd(struct rt_mmcsd_card *card)
csd->csd_structure = GET_BITS(resp, 126, 2);
if (csd->csd_structure == 0) {
LOG_E("unrecognised CSD structure version %d!", csd->csd_structure);
-
+
return -RT_ERROR;
}
-
+
csd->taac = GET_BITS(resp, 112, 8);
csd->nsac = GET_BITS(resp, 104, 8);
csd->tran_speed = GET_BITS(resp, 96, 8);
@@ -95,7 +95,7 @@ static rt_int32_t mmcsd_parse_csd(struct rt_mmcsd_card *card)
csd->wr_blk_len = GET_BITS(resp, 22, 4);
csd->wr_blk_partial = GET_BITS(resp, 21, 1);
csd->csd_crc = GET_BITS(resp, 1, 7);
-
+
card->card_blksize = 1 << csd->rd_blk_len;
card->tacc_clks = csd->nsac * 100;
card->tacc_ns = (tacc_uint[csd->taac&0x07] * tacc_value[(csd->taac&0x78)>>3] + 9) / 10;
@@ -106,7 +106,7 @@ static rt_int32_t mmcsd_parse_csd(struct rt_mmcsd_card *card)
card->erase_size = (a + 1) * (b + 1);
card->erase_size <<= csd->wr_blk_len - 9;
}
-
+
return 0;
}
@@ -119,12 +119,12 @@ static int mmc_get_ext_csd(struct rt_mmcsd_card *card, rt_uint8_t **new_ext_csd)
struct rt_mmcsd_req req;
struct rt_mmcsd_cmd cmd;
struct rt_mmcsd_data data;
-
+
*new_ext_csd = RT_NULL;
-
+
if (GET_BITS(card->resp_cid, 122, 4) < 4)
return 0;
-
+
/*
* As the ext_csd is so large and mostly unused, we don't store the
* raw block in mmc_card.
@@ -134,29 +134,29 @@ static int mmc_get_ext_csd(struct rt_mmcsd_card *card, rt_uint8_t **new_ext_csd)
LOG_E("alloc memory failed when get ext csd!");
return -RT_ENOMEM;
}
-
+
rt_memset(&req, 0, sizeof(struct rt_mmcsd_req));
rt_memset(&cmd, 0, sizeof(struct rt_mmcsd_cmd));
rt_memset(&data, 0, sizeof(struct rt_mmcsd_data));
-
+
req.cmd = &cmd;
req.data = &data;
-
+
cmd.cmd_code = SEND_EXT_CSD;
cmd.arg = 0;
-
+
/* NOTE HACK: the RESP_SPI_R1 is always correct here, but we
* rely on callers to never use this with "native" calls for reading
* CSD or CID. Native versions of those commands use the R2 type,
* not R1 plus a data block.
*/
cmd.flags = RESP_SPI_R1 | RESP_R1 | CMD_ADTC;
-
+
data.blksize = 512;
data.blks = 1;
data.flags = DATA_DIR_READ;
data.buf = ext_csd;
-
+
/*
* Some cards require longer data read timeout than indicated in CSD.
* Address this by setting the read timeout to a "reasonably high"
@@ -165,14 +165,14 @@ static int mmc_get_ext_csd(struct rt_mmcsd_card *card, rt_uint8_t **new_ext_csd)
*/
data.timeout_ns = 300000000;
data.timeout_clks = 0;
-
+
mmcsd_send_request(card->host, &req);
-
+
if (cmd.err)
return cmd.err;
if (data.err)
return data.err;
-
+
*new_ext_csd = ext_csd;
return 0;
}
@@ -192,13 +192,13 @@ static int mmc_parse_ext_csd(struct rt_mmcsd_card *card, rt_uint8_t *ext_csd)
card->flags |= CARD_FLAG_HIGHSPEED;
card->hs_max_data_rate = 52000000;
-
+
card_capacity = *((rt_uint32_t *)&ext_csd[EXT_CSD_SEC_CNT]);
card_capacity *= card->card_blksize;
card_capacity >>= 10; /* unit:KB */
card->card_capacity = card_capacity;
LOG_I("emmc card capacity %d KB.", card->card_capacity);
-
+
return 0;
}
@@ -211,41 +211,41 @@ static int mmc_parse_ext_csd(struct rt_mmcsd_card *card, rt_uint8_t *ext_csd)
*
* Modifies the EXT_CSD register for selected card.
*/
-static int mmc_switch(struct rt_mmcsd_card *card, rt_uint8_t set,
+static int mmc_switch(struct rt_mmcsd_card *card, rt_uint8_t set,
rt_uint8_t index, rt_uint8_t value)
{
int err;
struct rt_mmcsd_host *host = card->host;
struct rt_mmcsd_cmd cmd = {0};
-
+
cmd.cmd_code = SWITCH;
cmd.arg = (MMC_SWITCH_MODE_WRITE_BYTE << 24) |
(index << 16) | (value << 8) | set;
cmd.flags = RESP_SPI_R1 | RESP_R1 | CMD_AC;
-
+
err = mmcsd_send_cmd(host, &cmd, 3);
if (err)
return err;
-
+
return 0;
}
-static int mmc_compare_ext_csds(struct rt_mmcsd_card *card,
+static int mmc_compare_ext_csds(struct rt_mmcsd_card *card,
rt_uint8_t *ext_csd, rt_uint32_t bus_width)
{
rt_uint8_t *bw_ext_csd;
int err;
-
+
if (bus_width == MMCSD_BUS_WIDTH_1)
return 0;
-
+
err = mmc_get_ext_csd(card, &bw_ext_csd);
-
+
if (err || bw_ext_csd == RT_NULL) {
err = -RT_ERROR;
goto out;
}
-
+
/* only compare read only fields */
err = !((ext_csd[EXT_CSD_PARTITION_SUPPORT] == bw_ext_csd[EXT_CSD_PARTITION_SUPPORT]) &&
(ext_csd[EXT_CSD_ERASED_MEM_CONT] == bw_ext_csd[EXT_CSD_ERASED_MEM_CONT]) &&
@@ -273,10 +273,10 @@ static int mmc_compare_ext_csds(struct rt_mmcsd_card *card,
(ext_csd[EXT_CSD_PWR_CL_DDR_52_195] == bw_ext_csd[EXT_CSD_PWR_CL_DDR_52_195]) &&
(ext_csd[EXT_CSD_PWR_CL_DDR_52_360] == bw_ext_csd[EXT_CSD_PWR_CL_DDR_52_360]) &&
(ext_csd[EXT_CSD_PWR_CL_DDR_200_360] == bw_ext_csd[EXT_CSD_PWR_CL_DDR_200_360]));
-
+
if (err)
err = -RT_ERROR;
-
+
out:
rt_free(bw_ext_csd);
return err;
@@ -302,10 +302,10 @@ static int mmc_select_bus_width(struct rt_mmcsd_card *card, rt_uint8_t *ext_csd)
struct rt_mmcsd_host *host = card->host;
unsigned idx, bus_width = 0;
int err = 0;
-
+
if (GET_BITS(card->resp_cid, 122, 4) < 4)
return 0;
-
+
/*
* Unlike SD, MMC cards dont have a configuration register to notify
* supported bus width. So bus test command should be run to identify
@@ -323,18 +323,18 @@ static int mmc_select_bus_width(struct rt_mmcsd_card *card, rt_uint8_t *ext_csd)
* set by drivers.
*/
if ((!(host->flags & MMCSD_BUSWIDTH_8) &&
- ext_csd_bits[idx] == EXT_CSD_BUS_WIDTH_8) ||
+ ext_csd_bits[idx] == EXT_CSD_BUS_WIDTH_8) ||
(!(host->flags & MMCSD_BUSWIDTH_4) &&
- (ext_csd_bits[idx] == EXT_CSD_BUS_WIDTH_4 ||
- ext_csd_bits[idx] == EXT_CSD_BUS_WIDTH_8)))
- continue;
+ (ext_csd_bits[idx] == EXT_CSD_BUS_WIDTH_4 ||
+ ext_csd_bits[idx] == EXT_CSD_BUS_WIDTH_8)))
+ continue;
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_BUS_WIDTH,
ext_csd_bits[idx]);
if (err)
continue;
-
+
bus_width = bus_widths[idx];
mmcsd_set_bus_width(host, bus_width);
mmcsd_delay_ms(20); //delay 10ms
@@ -358,10 +358,10 @@ static int mmc_select_bus_width(struct rt_mmcsd_card *card, rt_uint8_t *ext_csd)
}
}
}
-
+
return err;
}
-rt_err_t mmc_send_op_cond(struct rt_mmcsd_host *host,
+rt_err_t mmc_send_op_cond(struct rt_mmcsd_host *host,
rt_uint32_t ocr, rt_uint32_t *rocr)
{
struct rt_mmcsd_cmd cmd;
@@ -369,20 +369,20 @@ rt_err_t mmc_send_op_cond(struct rt_mmcsd_host *host,
rt_err_t err = RT_EOK;
rt_memset(&cmd, 0, sizeof(struct rt_mmcsd_cmd));
-
+
cmd.cmd_code = SEND_OP_COND;
cmd.arg = controller_is_spi(host) ? 0 : ocr;
cmd.flags = RESP_SPI_R1 | RESP_R3 | CMD_BCR;
-
+
for (i = 100; i; i--) {
err = mmcsd_send_cmd(host, &cmd, 3);
if (err)
break;
-
+
/* if we're just probing, do a single pass */
if (ocr == 0)
break;
-
+
/* otherwise wait until reset completes */
if (controller_is_spi(host)) {
if (!(cmd.resp[0] & R1_SPI_IDLE))
@@ -391,15 +391,15 @@ rt_err_t mmc_send_op_cond(struct rt_mmcsd_host *host,
if (cmd.resp[0] & CARD_BUSY)
break;
}
-
+
err = -RT_ETIMEOUT;
-
+
mmcsd_delay_ms(10); //delay 10ms
}
-
+
if (rocr && !controller_is_spi(host))
*rocr = cmd.resp[0];
-
+
return err;
}
@@ -407,17 +407,17 @@ static rt_err_t mmc_set_card_addr(struct rt_mmcsd_host *host, rt_uint32_t rca)
{
rt_err_t err;
struct rt_mmcsd_cmd cmd;
-
+
rt_memset(&cmd, 0, sizeof(struct rt_mmcsd_cmd));
-
+
cmd.cmd_code = SET_RELATIVE_ADDR;
cmd.arg = rca << 16;
cmd.flags = RESP_R1 | CMD_AC;
-
+
err = mmcsd_send_cmd(host, &cmd, 3);
if (err)
return err;
-
+
return 0;
}
@@ -432,19 +432,19 @@ static rt_int32_t mmcsd_mmc_init_card(struct rt_mmcsd_host *host,
struct rt_mmcsd_card *card = RT_NULL;
mmcsd_go_idle(host);
-
+
/* The extra bit indicates that we support high capacity */
err = mmc_send_op_cond(host, ocr | (1 << 30), &rocr);
if (err)
goto err;
-
- if (controller_is_spi(host))
+
+ if (controller_is_spi(host))
{
err = mmcsd_spi_use_crc(host, 1);
if (err)
goto err1;
}
-
+
if (controller_is_spi(host))
err = mmcsd_get_cid(host, resp);
else
@@ -453,7 +453,7 @@ static rt_int32_t mmcsd_mmc_init_card(struct rt_mmcsd_host *host,
goto err;
card = rt_malloc(sizeof(struct rt_mmcsd_card));
- if (!card)
+ if (!card)
{
LOG_E("malloc card failed!");
err = -RT_ENOMEM;
@@ -469,7 +469,7 @@ static rt_int32_t mmcsd_mmc_init_card(struct rt_mmcsd_host *host,
/*
* For native busses: get card RCA and quit open drain mode.
*/
- if (!controller_is_spi(host))
+ if (!controller_is_spi(host))
{
err = mmc_set_card_addr(host, card->rca);
if (err)
@@ -486,24 +486,24 @@ static rt_int32_t mmcsd_mmc_init_card(struct rt_mmcsd_host *host,
if (err)
goto err1;
- if (!controller_is_spi(host))
+ if (!controller_is_spi(host))
{
err = mmcsd_select_card(card);
if (err)
goto err1;
}
-
+
/*
* Fetch and process extended CSD.
*/
-
+
err = mmc_get_ext_csd(card, &ext_csd);
if (err)
goto err1;
err = mmc_parse_ext_csd(card, ext_csd);
if (err)
goto err1;
-
+
/* If doing byte addressing, check if required to do sector
* addressing. Handle the case of <2GB cards needing sector
* addressing. See section 8.1 JEDEC Standard JED84-A441;
@@ -511,9 +511,9 @@ static rt_int32_t mmcsd_mmc_init_card(struct rt_mmcsd_host *host,
*/
if (!(card->flags & CARD_FLAG_SDHC) && (rocr & (1<<30)))
card->flags |= CARD_FLAG_SDHC;
-
+
/* set bus speed */
- if (card->flags & CARD_FLAG_HIGHSPEED)
+ if (card->flags & CARD_FLAG_HIGHSPEED)
max_data_rate = card->hs_max_data_rate;
else
max_data_rate = card->max_data_rate;
@@ -522,7 +522,7 @@ static rt_int32_t mmcsd_mmc_init_card(struct rt_mmcsd_host *host,
/*switch bus width*/
mmc_select_bus_width(card, ext_csd);
-
+
host->card = card;
rt_free(ext_csd);