-#include <cpu/power.h>
-
-#include <string.h> /* memset */
-
-/**
- * Card Specific Data
- * read directly from the card.
- */
-typedef struct CardCSD
-{
- uint16_t block_len; ///< Length of a block
- uint32_t block_num; ///< Number of block on the card
- uint16_t capacity; ///< Card capacity in MB
-} CardCSD;
-
-#define SD_IN_IDLE 0x01
-#define SD_STARTTOKEN 0xFE
-
-#define TIMEOUT_NAC 16384
-#define SD_DEFAULT_BLOCKLEN 512
-
-#define SD_BUSY_TIMEOUT ms_to_ticks(200)
-
-static bool sd_select(Sd *sd, bool state)
-{
- KFile *fd = sd->ch;
-
- if (state)
- {
- SD_CS_ON();
-
- ticks_t start = timer_clock();
- do
- {
- if (kfile_getc(fd) == 0xff)
- return true;
-
- cpu_relax();
- }
- while (timer_clock() - start < SD_BUSY_TIMEOUT);
-
- SD_CS_OFF();
- LOG_ERR("sd_select timeout\n");
- return false;
- }
- else
- {
- kfile_putc(0xff, fd);
- kfile_flush(fd);
- SD_CS_OFF();
- return true;
- }
-}
-
-static int16_t sd_waitR1(Sd *sd)
-{
- uint8_t datain;
-
- for (int i = 0; i < TIMEOUT_NAC; i++)
- {
- datain = kfile_getc(sd->ch);
- if (datain != 0xff)
- return (int16_t)datain;
- }
- LOG_ERR("Timeout waiting R1\n");
- return EOF;
-}
-
-static int16_t sd_sendCommand(Sd *sd, uint8_t cmd, uint32_t param, uint8_t crc)
-{
- KFile *fd = sd->ch;
- /* The 7th bit of command must be a 1 */
- kfile_putc(cmd | 0x40, fd);
-
- /* send parameter */
- kfile_putc((param >> 24) & 0xFF, fd);
- kfile_putc((param >> 16) & 0xFF, fd);
- kfile_putc((param >> 8) & 0xFF, fd);
- kfile_putc((param) & 0xFF, fd);
-
- kfile_putc(crc, fd);
-
- return sd_waitR1(sd);
-}
-
-static bool sd_getBlock(Sd *sd, void *buf, size_t len)
-{
- uint8_t token;
- uint16_t crc;
-
- KFile *fd = sd->ch;
-
- for (int i = 0; i < TIMEOUT_NAC; i++)
- {
- token = kfile_getc(fd);
- if (token != 0xff)
- {
- if (token == SD_STARTTOKEN)
- {
- if (kfile_read(fd, buf, len) == len)
- {
- if (kfile_read(fd, &crc, sizeof(crc)) == sizeof(crc))
- /* check CRC here if needed */
- return true;
- else
- LOG_ERR("get_block error getting crc\n");
- }
- else
- LOG_ERR("get_block len error: %d\n", (int)len);
- }
- else
- LOG_ERR("get_block token error: %02X\n", token);
-
- return false;
- }
- }
-
- LOG_ERR("get_block timeout waiting token\n");
- return false;
-}
-
-#define SD_SELECT(sd) \
-do \
-{ \
- if (!sd_select((sd), true)) \
- { \
- LOG_ERR("%s failed, card busy\n", __func__); \
- return EOF; \
- } \
-} \
-while (0)
-
-#define SD_SETBLOCKLEN 0x50
-
-static int16_t sd_setBlockLen(Sd *sd, uint32_t newlen)
-{
- SD_SELECT(sd);
-
- sd->r1 = sd_sendCommand(sd, SD_SETBLOCKLEN, newlen, 0);
-
- sd_select(sd, false);
- return sd->r1;
-}
-
-#define SD_SEND_CSD 0x49
-
-static int16_t sd_getCSD(Sd *sd, CardCSD *csd)
-{
- SD_SELECT(sd);
-
- int16_t r1 = sd_sendCommand(sd, SD_SEND_CSD, 0, 0);
-
- if (r1)
- {
- LOG_ERR("send_csd failed: %04X\n", sd->r1);
- sd_select(sd, false);
- return r1;
- }
-
- uint8_t buf[16];
- bool res = sd_getBlock(sd, buf, sizeof(buf));
- sd_select(sd, false);
-
- if (res)
- {
- #if LOG_LEVEL >= LOG_LVL_INFO
- LOG_INFO("CSD: [");
- for (int i = 0; i < 16; i++)
- kprintf("%02X ", buf[i]);
- kprintf("]\n");
- #endif
-
- uint16_t mult = (1L << ((((buf[9] & 0x03) << 1) | ((buf[10] & 0x80) >> 7)) + 2));
- uint16_t c_size = (((uint16_t)(buf[6] & 0x03)) << 10) | (((uint16_t)buf[7]) << 2) |
- (((uint16_t)(buf[8] & 0xC0)) >> 6);
-
- csd->block_len = (1L << (buf[5] & 0x0F));
- csd->block_num = (c_size + 1) * mult;
- csd->capacity = (csd->block_len * csd->block_num) >> 20; // in MB
-
- LOG_INFO("block_len %d bytes, block_num %ld, total capacity %dMB\n", csd->block_len, csd->block_num, csd->capacity);
- return 0;
- }
- else
- return EOF;
-}
-
-#if CPU_CM3_SAM3X8
-
-#include <drv/hsmci_sam3.h>
-
-#define SD_ADDR_TO_RCA(addr) (uint32_t)(((addr) << 16) & 0xFFFF0000)
-#define SD_GET_STATE(status) (uint8_t)(((status) & SD_STATUS_CURR_MASK) >> SD_STATUS_CURR_SHIFT)
-
-#define SD_STATUS_APP_CMD BV(5)
-#define SD_STATUS_READY BV(8)
-#define SD_STATUS_CURR_MASK 0x1E00
-#define SD_STATUS_CURR_SHIFT 9
-
-
-LOG_INFOB(
-static void dump(const char *label, uint32_t *r, size_t len)
-{
- ASSERT(r);
- size_t i;
- int j = 0;
- kprintf("\n%s [\n", label);
- for (i = 0; i < len; i++)
- {
- if (j == 5)
- {
- kputs("\n");
- j = 0;
- }
- kprintf("%08lx ", r[i]);
- j++;
- }
- kprintf("\n] len=%d\n\n", i);
-}
-)
-
-static const uint32_t tran_exp[] =
-{
- 10000, 100000, 1000000, 10000000,
- 0, 0, 0, 0
-};
-
-static const uint8_t tran_mant[] =
-{
- 0, 10, 12, 13, 15, 20, 25, 30,
- 35, 40, 45, 50, 55, 60, 70, 80,
-};
-
-static int sd_decodeCsd(SDcsd *csd, uint32_t *resp, size_t len)
-{
- ASSERT(csd);
- ASSERT(resp);
- ASSERT(len >= 4);
-
- csd->structure = UNSTUFF_BITS(resp, 126, 2);
- csd->ccc = UNSTUFF_BITS(resp, 84, 12);
-
- csd->max_data_rate = tran_exp[UNSTUFF_BITS(resp, 96, 3)] * tran_mant[UNSTUFF_BITS(resp, 99, 4)];
-
- /*
- * CSD structure:
- * - 0:
- * - Version 1.01-1.10
- * - Version 2.00/Standard Capacity
- * - 1:
- * - Version 2.00/High Capacity
- * - >1: not defined.
- */
-
- if (csd->structure == 0)
- {
- // (C_size + 1) x 2^(C_SIZE_MUL+2)
- csd->blk_num = (1 + UNSTUFF_BITS(resp, 62, 12)) << (UNSTUFF_BITS(resp, 47, 3) + 2);
-
- csd->read_blk_bits = UNSTUFF_BITS(resp, 80, 4);
- csd->write_blk_bits = UNSTUFF_BITS(resp, 22, 4);
-
- csd->blk_len = 1 << csd->read_blk_bits;
- csd->capacity = csd->blk_num * csd->blk_len;
-
- csd->read_partial = UNSTUFF_BITS(resp, 79, 1);
- csd->read_misalign = UNSTUFF_BITS(resp, 77, 1);
-
- csd->write_misalign = UNSTUFF_BITS(resp, 78, 1);
- csd->write_partial = UNSTUFF_BITS(resp, 21, 1);
-
- if (UNSTUFF_BITS(resp, 46, 1))
- {
- csd->erase_size = 1;
- }
- else if(csd->write_blk_bits >= 9)
- {
- csd->erase_size = UNSTUFF_BITS(resp, 39, 7) + 1;
- csd->erase_size <<= csd->write_blk_bits - 9;
- }
-
- return 0;
- }
- else if (csd->structure == 1)
- {
- kprintf("csize %ld\n", UNSTUFF_BITS(resp, 48, 22));
- csd->capacity = (1 + UNSTUFF_BITS(resp, 48, 22)) << 10;
-
- csd->write_blk_bits = 9;
- csd->write_partial = 0;
- csd->write_misalign = 0;
-
- csd->read_blk_bits = 9;
- csd->read_partial = 0;
- csd->read_misalign = 0;
-
- csd->erase_size = 1;
- // the block size if fixed to 512kb
- csd->blk_len = (1 << csd->write_blk_bits) << 10;
-
- return 0;
- }
- else
- {
- kprintf("Unrecognised CSD structure version %d\n", csd->structure);
- return -1;
- }
-
- return 0;
-}
-
-
-void sd_dumpCsd(Sd *sd)
-{
- ASSERT(sd);
-
- LOG_INFO("VERSION: %d.0\n", sd->csd.structure ? 2 : 1);
- LOG_INFO("CARD COMMAND CLASS: %d\n", sd->csd.ccc);
- LOG_INFO("MAX DATA RATE: %ld\n", sd->csd.max_data_rate);
- LOG_INFO("WRITE BLK LEN BITS: %ld\n", sd->csd.write_blk_bits);
- LOG_INFO("READ BLK LEN BITS: %ld\n", sd->csd.read_blk_bits);
- LOG_INFO("ERASE SIZE: %ld\n", sd->csd.erase_size);
- LOG_INFO("BLK NUM: %ld\n", sd->csd.blk_num);
- LOG_INFO("BLK LEN: %ld\n", sd->csd.blk_len);
- LOG_INFO("CAPACITY %ld\n", sd->csd.capacity);
- LOG_INFO("FLAG Write: WP %d, W MISALIGN %d\n", sd->csd.write_partial, sd->csd.write_misalign);
- LOG_INFO("FLAG Read: RP %d, R MISALIGN %d\n", sd->csd.read_partial, sd->csd.read_misalign);
-
-}
-
-void sd_dumpCid(Sd *sd)
-{
- ASSERT(sd);
-
- LOG_INFO("MANFID: %d\n", sd->cid.manfid);
- LOG_INFO("OEMID: %d\n", sd->cid.oemid);
- LOG_INFO("SERIAL: %ld\n", sd->cid.serial);
- LOG_INFO("PROD_NAME: %s\n", sd->cid.prod_name);
- LOG_INFO("REV: %d.%d\n", sd->cid.m_rev, sd->cid.l_rev);
- LOG_INFO("OFF,Y,M: %lx, %ld %ld\n", sd->cid.year_off, (BCD_TO_INT_32BIT(sd->cid.year_off) / 12) + 2000,
- (BCD_TO_INT_32BIT(sd->cid.year_off) % 12));
-}
-
-void sd_dumpSsr(Sd *sd)
-{
- ASSERT(sd);
-
- LOG_INFO("BUS_WIDTH: %d\n", sd->ssr.bus_width);
- LOG_INFO("TYPE: %d\n", sd->ssr.card_type);
- LOG_INFO("AU_TYPE: %d\n", sd->ssr.au_size);
- LOG_INFO("ERASE_SIZE: %d\n", sd->ssr.erase_size);
- LOG_INFO("SPEED_CLASS: %d\n", sd->ssr.speed_class);
-}
-
-
-void sd_sendInit(void)
-{
- hsmci_init(NULL); //TODO: REMOVE IT!
-
- if (hsmci_sendCmd(0, 0, HSMCI_CMDR_SPCMD_INIT | HSMCI_CMDR_RSPTYP_NORESP))
- LOG_ERR("INIT: %lx\n", HSMCI_SR);
-}
-
-
-void sd_goIdle(void)
-{
- hsmci_setSpeed(HSMCI_INIT_SPEED, false);
- if (hsmci_sendCmd(0, 0, HSMCI_CMDR_RSPTYP_NORESP))
- LOG_ERR("GO_IDLE: %lx\n", HSMCI_SR);
-}
-
-int sd_sendIfCond(Sd *sd)
-{
- if (hsmci_sendCmd(8, CMD8_V_RANGE_27V_36V, HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("IF_COND %lx\n", HSMCI_SR);
- return -1;
- }
- hsmci_readResp(&(sd->status), 1);
- if (((sd->status) & 0xFFF) == CMD8_V_RANGE_27V_36V)
- {
- LOG_INFO("IF_COND: %lx\n", (sd->status));
- return 0;
- }
- LOG_ERR("IF_COND: %lx\n", (sd->status));
-
- return -1;
-}
-
-int sd_sendAppOpCond(Sd *sd)
-{
- if (hsmci_sendCmd(55, 0, HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("APP_CMD %lx\n", HSMCI_SR);
- return -1;
- }
-
- hsmci_readResp(&(sd->status), 1);
- if ((sd->status) & (SD_STATUS_APP_CMD | SD_STATUS_READY))
- {
- if (hsmci_sendCmd(41, SD_HOST_VOLTAGE_RANGE | SD_OCR_CCS, HSMCI_CMDR_RSPTYP_48_BIT))// se cmd 8 va ok.
- {
- LOG_ERR("APP_OP_COND %lx\n", HSMCI_SR);
- return -1;
- }
- else
- {
- hsmci_readResp(&(sd->status), 1);
- if ((sd->status) & SD_OCR_BUSY)
- {
- LOG_INFO("SD power up! Hight Capability [%d]\n", (bool)((sd->status) & SD_OCR_CCS));
- return 0;
- }
-
- LOG_ERR("sd not ready.\n");
- }
- }
-
- return -1;
-}
-
-
-int sd_getCid(Sd *sd, uint32_t addr, uint8_t flag)
-{
- ASSERT(sd);
- memset(&(sd->cid), 0, sizeof(SDcid));
-
- uint8_t idx = 9; // CMD9 get cid from gived sd address (RCA)
- if (flag & SD_SEND_ALL_CID)
- idx = 2;
-
-
- if (hsmci_sendCmd(idx, SD_ADDR_TO_RCA(addr), HSMCI_CMDR_RSPTYP_136_BIT))
- {
- LOG_ERR("GET_CID %lx\n", HSMCI_SR);
- return -1;
- }
- else
- {
- uint32_t resp[4];
- hsmci_readResp(resp, 4);
- LOG_INFOB(dump("CID", resp, 4););
-
- sd->cid.manfid = UNSTUFF_BITS(resp, 120, 8);
- sd->cid.oemid = UNSTUFF_BITS(resp, 104, 16);
- sd->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8);
- sd->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8);
- sd->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8);
- sd->cid.prod_name[3] = UNSTUFF_BITS(resp, 72, 8);
- sd->cid.prod_name[4] = UNSTUFF_BITS(resp, 64, 8);
- sd->cid.m_rev = UNSTUFF_BITS(resp, 60, 4);
- sd->cid.l_rev = UNSTUFF_BITS(resp, 56, 4);
- sd->cid.serial = (uint32_t)UNSTUFF_BITS(resp, 24, 32);
- sd->cid.year_off = UNSTUFF_BITS(resp, 8, 12);
- }
-
- return 0;
-}
-
-int sd_getCsd(Sd *sd)
-{
- ASSERT(sd);
- memset(&(sd->csd), 0, sizeof(SDcsd));
-
- LOG_INFO("Send to RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr));
- if (hsmci_sendCmd(9, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_136_BIT))
- {
- LOG_ERR("GET_CSD %lx\n", HSMCI_SR);
- return -1;
- }
- else
- {
- uint32_t resp[4];
- hsmci_readResp(resp, 4);
- LOG_INFOB(dump("CSD", resp, 4););
- sd_decodeCsd(&(sd->csd), resp, 4);
- }
-
- return 0;
-}
-
-int sd_getRelativeAddr(Sd *sd)
-{
- ASSERT(sd);
- if (hsmci_sendCmd(3, 0, HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("RCA: %lx\n", HSMCI_SR);
- return -1;
- }
-
- hsmci_readResp(&sd->addr, 1);
- sd->addr = sd->addr >> 16;
-
- LOG_INFOB(dump("RCA", &sd->addr, 1););
-
- return 0;
-}
-
-int sd_appStatus(Sd *sd)
-{
- ASSERT(sd);
- LOG_INFO("Send to RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr));
- if (hsmci_sendCmd(13, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("STATUS: %lx\n", HSMCI_SR);
- return -1;
- }
-
- hsmci_readResp(&(sd->status), 1);
- LOG_INFOB(dump("STATUS", &(sd->status), 1););
-
- LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
-
- if (sd->status & SD_STATUS_READY)
- return 0;
-
- return -1;
-}
-
-
-INLINE int sd_cardSelection(Sd *sd, uint32_t rca)
-{
- ASSERT(sd);
- LOG_INFO("Select RCA: %lx\n", rca);
- if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_R1B))
- {
- LOG_ERR("SELECT_SD: %lx\n", HSMCI_SR);
- return -1;
- }
-
- HSMCI_CHECK_BUSY();
- hsmci_readResp(&(sd->status), 1);
- LOG_INFOB(dump("SELECT_SD", &(sd->status), 1););
-
- LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
-
- if (sd->status & SD_STATUS_READY)
- return 0;
-
- return -1;
-}
-
-int sd_selectCard(Sd *sd)
-{
- ASSERT(sd);
- uint32_t rca = SD_ADDR_TO_RCA(sd->addr);
- LOG_INFO("Select RCA: %lx\n", rca);
- if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_R1B))
- {
- LOG_ERR("SELECT_SD: %lx\n", HSMCI_SR);
- return -1;
- }
-
- HSMCI_CHECK_BUSY();
- hsmci_readResp(&(sd->status), 1);
-
- LOG_INFOB(dump("SELECT_SD", &(sd->status), 1););
- LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
-
- if (sd->status & SD_STATUS_READY)
- return 0;
-
- return -1;
-}
-
-int sd_deSelectCard(Sd *sd)
-{
- ASSERT(sd);
-
- uint32_t rca = 0;
- if (!sd->addr)
- rca = SD_ADDR_TO_RCA(sd->addr + 1);
-
- LOG_INFO("Select RCA: %lx\n", rca);
-
- if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_NORESP))
- {
- LOG_ERR("DESELECT_SD: %lx\n", HSMCI_SR);
- return -1;
- }
-
- return 0;
-
-}
-
-int sd_setBusWidth(Sd *sd, size_t len)
-{
- ASSERT(sd);
-
- if (hsmci_sendCmd(55, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("APP_CMD %lx\n", HSMCI_SR);
- return -1;
- }
-
- hsmci_readResp(&(sd->status), 1);
- if ((sd->status) & (SD_STATUS_APP_CMD | SD_STATUS_READY))
- {
- hsmci_setBusWidth(len);