static void rts5249_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
{
u8 driving_3v3[4][3] = {
{0x11, 0x11, 0x11},
{0x55, 0x55, 0x5C},
{0x99, 0x99, 0x92},
{0x99, 0x99, 0x92},
};
u8 driving_1v8[4][3] = {
{0x3C, 0x3C, 0x3C},
{0xB3, 0xB3, 0xB3},
{0xFE, 0xFE, 0xFE},
{0xC4, 0xC4, 0xC4},
};
u8 (*driving)[3], drive_sel;
if (voltage == OUTPUT_3V3) {
driving = driving_3v3;
drive_sel = pcr->sd30_drive_sel_3v3;
} else {
driving = driving_1v8;
drive_sel = pcr->sd30_drive_sel_1v8;
}
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CLK_DRIVE_SEL,
0xFF, driving[drive_sel][0]);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CMD_DRIVE_SEL,
0xFF, driving[drive_sel][1]);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DAT_DRIVE_SEL,
0xFF, driving[drive_sel][2]);
}
static int rts5249_card_power_on(struct rtsx_pcr *pcr, int card)
{
int err;
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
SD_POWER_MASK, SD_VCC_PARTIAL_POWER_ON);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
LDO3318_PWR_MASK, 0x02);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
msleep(5);
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
SD_POWER_MASK, SD_VCC_POWER_ON);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
LDO3318_PWR_MASK, 0x06);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
return 0;
}
int rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val)
{
int err, i, finished = 0;
u8 tmp;
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PHYDATA0, 0xFF, (u8)val);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PHYDATA1, 0xFF, (u8)(val >> 8));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PHYADDR, 0xFF, addr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PHYRWCTL, 0xFF, 0x81);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
for (i = 0; i < 100000; i++) {
err = rtsx_pci_read_register(pcr, PHYRWCTL, &tmp);
if (err < 0)
return err;
if (!(tmp & 0x80)) {
finished = 1;
break;
}
}
if (!finished)
return -ETIMEDOUT;
return 0;
}
static int rts5260_extra_init_hw(struct rtsx_pcr *pcr)
{
struct rtsx_cr_option *option = &pcr->option;
/* Set mcu_cnt to 7 to ensure data can be sampled properly */
rtsx_pci_write_register(pcr, 0xFC03, 0x7F, 0x07);
rtsx_pci_write_register(pcr, SSC_DIV_N_0, 0xFF, 0x5D);
rts5260_init_from_cfg(pcr);
/* force no MDIO*/
rtsx_pci_write_register(pcr, RTS5260_AUTOLOAD_CFG4,
0xFF, RTS5260_MIMO_DISABLE);
/*Modify SDVCC Tune Default Parameters!*/
rtsx_pci_write_register(pcr, LDO_VCC_CFG0,
RTS5260_DVCC_TUNE_MASK, RTS5260_DVCC_33);
rtsx_pci_write_register(pcr, PCLK_CTL, PCLK_MODE_SEL, PCLK_MODE_SEL);
rts5260_init_hw(pcr);
/*
* If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced
* to drive low, and we forcibly request clock.
*/
if (option->force_clkreq_0)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
else
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
return 0;
}
static int rts5227_card_power_on(struct rtsx_pcr *pcr, int card)
{
int err;
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
SD_POWER_MASK, SD_PARTIAL_POWER_ON);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
LDO3318_PWR_MASK, 0x02);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
/* To avoid too large in-rush current */
udelay(150);
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
SD_POWER_MASK, SD_POWER_ON);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
LDO3318_PWR_MASK, 0x06);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
return 0;
}
static int ms_power_on(struct realtek_pci_ms *host)
{
struct rtsx_pcr *pcr = host->pcr;
int err;
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SELECT, 0x07, MS_MOD_SEL);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SHARE_MODE,
CARD_SHARE_MASK, CARD_SHARE_48_MS);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_CLK_EN,
MS_CLK_EN, MS_CLK_EN);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
err = rtsx_pci_card_pull_ctl_enable(pcr, RTSX_MS_CARD);
if (err < 0)
return err;
err = rtsx_pci_card_power_on(pcr, RTSX_MS_CARD);
if (err < 0)
return err;
/* Wait ms power stable */
msleep(150);
err = rtsx_pci_write_register(pcr, CARD_OE,
MS_OUTPUT_EN, MS_OUTPUT_EN);
if (err < 0)
return err;
return 0;
}
static int rts5249_card_power_off(struct rtsx_pcr *pcr, int card)
{
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
SD_POWER_MASK, SD_POWER_OFF);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
LDO3318_PWR_MASK, 0x00);
return rtsx_pci_send_cmd(pcr, 100);
}
static int rts5227_extra_init_hw(struct rtsx_pcr *pcr)
{
u16 cap;
rtsx_pci_init_cmd(pcr);
/* Configure GPIO as output */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, GPIO_CTL, 0x02, 0x02);
/* Switch LDO3318 source from DV33 to card_3v3 */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x00);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x01);
/* LED shine disabled, set initial shine cycle period */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OLT_LED_CTL, 0x0F, 0x02);
/* Configure LTR */
pcie_capability_read_word(pcr->pci, PCI_EXP_DEVCTL2, &cap);
if (cap & PCI_EXP_DEVCTL2_LTR_EN)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LTR_CTL, 0xFF, 0xA3);
/* Configure OBFF */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OBFF_CFG, 0x03, 0x03);
/* Configure driving */
rts5227_fill_driving(pcr, OUTPUT_3V3);
/* Configure force_clock_req */
if (pcr->flags & PCR_REVERSE_SOCKET)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
AUTOLOAD_CFG_BASE + 3, 0xB8, 0xB8);
else
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
AUTOLOAD_CFG_BASE + 3, 0xB8, 0x88);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x10, 0x00);
return rtsx_pci_send_cmd(pcr, 100);
}
static int ms_transfer_data(struct realtek_pci_ms *host, unsigned char data_dir,
u8 tpc, u8 cfg, struct scatterlist *sg)
{
struct rtsx_pcr *pcr = host->pcr;
int err;
unsigned int length = sg->length;
u16 sec_cnt = (u16)(length / 512);
u8 val, trans_mode, dma_dir;
dev_dbg(ms_dev(host), "%s: tpc = 0x%02x, data_dir = %s, length = %d\n",
__func__, tpc, (data_dir == READ) ? "READ" : "WRITE",
length);
if (data_dir == READ) {
dma_dir = DMA_DIR_FROM_CARD;
trans_mode = MS_TM_AUTO_READ;
} else {
dma_dir = DMA_DIR_TO_CARD;
trans_mode = MS_TM_AUTO_WRITE;
}
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, MS_TPC, 0xFF, tpc);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, MS_SECTOR_CNT_H,
0xFF, (u8)(sec_cnt >> 8));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, MS_SECTOR_CNT_L,
0xFF, (u8)sec_cnt);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, cfg);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, IRQSTAT0,
DMA_DONE_INT, DMA_DONE_INT);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, DMATC3, 0xFF, (u8)(length >> 24));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, DMATC2, 0xFF, (u8)(length >> 16));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, DMATC1, 0xFF, (u8)(length >> 8));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, DMATC0, 0xFF, (u8)length);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, DMACTL,
0x03 | DMA_PACK_SIZE_MASK, dma_dir | DMA_EN | DMA_512);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_DATA_SOURCE,
0x01, RING_BUFFER);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, MS_TRANSFER,
0xFF, MS_TRANSFER_START | trans_mode);
rtsx_pci_add_cmd(pcr, CHECK_REG_CMD, MS_TRANSFER,
MS_TRANSFER_END, MS_TRANSFER_END);
rtsx_pci_send_cmd_no_wait(pcr);
err = rtsx_pci_transfer_data(pcr, sg, 1, data_dir == READ, 10000);
if (err < 0) {
ms_clear_error(host);
return err;
}
rtsx_pci_read_register(pcr, MS_TRANS_CFG, &val);
if (val & (MS_INT_CMDNK | MS_INT_ERR | MS_CRC16_ERR | MS_RDY_TIMEOUT))
return -EIO;
return 0;
}
static int rtl8411_extra_init_hw(struct rtsx_pcr *pcr)
{
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DRIVE_SEL,
0xFF, pcr->sd30_drive_sel_3v3);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CD_PAD_CTL,
CD_DISABLE_MASK | CD_AUTO_DISABLE, CD_ENABLE);
return rtsx_pci_send_cmd(pcr, 100);
}
static int rts5209_extra_init_hw(struct rtsx_pcr *pcr)
{
rtsx_pci_init_cmd(pcr);
/* Turn off LED */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_GPIO, 0xFF, 0x03);
/* Configure GPIO as output */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_GPIO_DIR, 0xFF, 0x03);
return rtsx_pci_send_cmd(pcr, 100);
}
static int rts5229_extra_init_hw(struct rtsx_pcr *pcr)
{
rtsx_pci_init_cmd(pcr);
/* Switch LDO3318 source from DV33 to card_3v3 */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, 0xFE78, 0x03, 0x00);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, 0xFE78, 0x03, 0x01);
/* LED shine disabled, set initial shine cycle period */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, 0xFC1E, 0x0F, 0x02);
return rtsx_pci_send_cmd(pcr, 100);
}
static int rts5249_extra_init_hw(struct rtsx_pcr *pcr)
{
rtsx_pci_init_cmd(pcr);
/* Configure GPIO as output */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, GPIO_CTL, 0x02, 0x02);
/* Reset ASPM state to default value */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, ASPM_FORCE_CTL, 0x3F, 0);
/* Switch LDO3318 source from DV33 to card_3v3 */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x00);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x01);
/* LED shine disabled, set initial shine cycle period */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OLT_LED_CTL, 0x0F, 0x02);
/* Configure driving */
rts5249_fill_driving(pcr, OUTPUT_3V3);
if (pcr->flags & PCR_REVERSE_SOCKET)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
AUTOLOAD_CFG_BASE + 3, 0xB0, 0xB0);
else
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
AUTOLOAD_CFG_BASE + 3, 0xB0, 0x80);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x10, 0x00);
return rtsx_pci_send_cmd(pcr, 100);
}
static int sd_read_data(struct realtek_pci_sdmmc *host, u8 *cmd, u16 byte_cnt,
u8 *buf, int buf_len, int timeout)
{
struct rtsx_pcr *pcr = host->pcr;
int err, i;
u8 trans_mode;
dev_dbg(sdmmc_dev(host), "%s: SD/MMC CMD%d\n", __func__, cmd[0] - 0x40);
if (!buf)
buf_len = 0;
if ((cmd[0] & 0x3F) == MMC_SEND_TUNING_BLOCK)
trans_mode = SD_TM_AUTO_TUNING;
else
trans_mode = SD_TM_NORMAL_READ;
rtsx_pci_init_cmd(pcr);
for (i = 0; i < 5; i++)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CMD0 + i, 0xFF, cmd[i]);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, (u8)byte_cnt);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_BYTE_CNT_H,
0xFF, (u8)(byte_cnt >> 8));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 1);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG2, 0xFF,
SD_CALCULATE_CRC7 | SD_CHECK_CRC16 |
SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 | SD_RSP_LEN_6);
if (trans_mode != SD_TM_AUTO_TUNING)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_TRANSFER,
0xFF, trans_mode | SD_TRANSFER_START);
rtsx_pci_add_cmd(pcr, CHECK_REG_CMD, SD_TRANSFER,
SD_TRANSFER_END, SD_TRANSFER_END);
err = rtsx_pci_send_cmd(pcr, timeout);
if (err < 0) {
sd_print_debug_regs(host);
dev_dbg(sdmmc_dev(host),
"rtsx_pci_send_cmd fail (err = %d)\n", err);
return err;
}
if (buf && buf_len) {
err = rtsx_pci_read_ppbuf(pcr, buf, buf_len);
if (err < 0) {
dev_dbg(sdmmc_dev(host),
"rtsx_pci_read_ppbuf fail (err = %d)\n", err);
return err;
}
}
return 0;
}
static int rtl8411b_extra_init_hw(struct rtsx_pcr *pcr)
{
rtsx_pci_init_cmd(pcr);
if (rtl8411b_is_qfn48(pcr))
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
CARD_PULL_CTL3, 0xFF, 0xF5);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DRIVE_SEL,
0xFF, pcr->sd30_drive_sel_3v3);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CD_PAD_CTL,
CD_DISABLE_MASK | CD_AUTO_DISABLE, CD_ENABLE);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, FUNC_FORCE_CTL,
0x06, 0x00);
return rtsx_pci_send_cmd(pcr, 100);
}
int rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val)
{
int err, i, finished = 0;
u16 data;
u8 *ptr, tmp;
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PHYADDR, 0xFF, addr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PHYRWCTL, 0xFF, 0x80);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
for (i = 0; i < 100000; i++) {
err = rtsx_pci_read_register(pcr, PHYRWCTL, &tmp);
if (err < 0)
return err;
if (!(tmp & 0x80)) {
finished = 1;
break;
}
}
if (!finished)
return -ETIMEDOUT;
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, READ_REG_CMD, PHYDATA0, 0, 0);
rtsx_pci_add_cmd(pcr, READ_REG_CMD, PHYDATA1, 0, 0);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
ptr = rtsx_pci_get_cmd_data(pcr);
data = ((u16)ptr[1] << 8) | ptr[0];
if (val)
*val = data;
return 0;
}
static int sd_change_phase(struct realtek_pci_sdmmc *host,
u8 sample_point, bool rx)
{
struct rtsx_pcr *pcr = host->pcr;
int err;
dev_dbg(sdmmc_dev(host), "%s(%s): sample_point = %d\n",
__func__, rx ? "RX" : "TX", sample_point);
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CLK_CTL, CHANGE_CLK, CHANGE_CLK);
if (rx)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
SD_VPRX_CTL, 0x1F, sample_point);
else
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
SD_VPTX_CTL, 0x1F, sample_point);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_VPCLK0_CTL, PHASE_NOT_RESET, 0);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_VPCLK0_CTL,
PHASE_NOT_RESET, PHASE_NOT_RESET);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CLK_CTL, CHANGE_CLK, 0);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG1, SD_ASYNC_FIFO_NOT_RST, 0);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
return 0;
}
static int rts5209_card_power_off(struct rtsx_pcr *pcr, int card)
{
u8 pwr_mask, pwr_off;
pwr_mask = SD_POWER_MASK;
pwr_off = SD_POWER_OFF;
if (pcr->ms_pmos && (card == RTSX_MS_CARD)) {
pwr_mask = MS_POWER_MASK;
pwr_off = MS_POWER_OFF;
}
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
pwr_mask | PMOS_STRG_MASK, pwr_off | PMOS_STRG_400mA);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
LDO3318_PWR_MASK, 0X06);
return rtsx_pci_send_cmd(pcr, 100);
}
static int ms_power_off(struct realtek_pci_ms *host)
{
struct rtsx_pcr *pcr = host->pcr;
int err;
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_CLK_EN, MS_CLK_EN, 0);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_OE, MS_OUTPUT_EN, 0);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
err = rtsx_pci_card_power_off(pcr, RTSX_MS_CARD);
if (err < 0)
return err;
return rtsx_pci_card_pull_ctl_disable(pcr, RTSX_MS_CARD);
}
static void sd_print_debug_regs(struct realtek_pci_sdmmc *host)
{
struct rtsx_pcr *pcr = host->pcr;
u16 i;
u8 *ptr;
/* Print SD host internal registers */
rtsx_pci_init_cmd(pcr);
for (i = 0xFDA0; i <= 0xFDAE; i++)
rtsx_pci_add_cmd(pcr, READ_REG_CMD, i, 0, 0);
for (i = 0xFD52; i <= 0xFD69; i++)
rtsx_pci_add_cmd(pcr, READ_REG_CMD, i, 0, 0);
rtsx_pci_send_cmd(pcr, 100);
ptr = rtsx_pci_get_cmd_data(pcr);
for (i = 0xFDA0; i <= 0xFDAE; i++)
dev_dbg(sdmmc_dev(host), "0x%04X: 0x%02x\n", i, *(ptr++));
for (i = 0xFD52; i <= 0xFD69; i++)
dev_dbg(sdmmc_dev(host), "0x%04X: 0x%02x\n", i, *(ptr++));
}
static int sd_write_data(struct realtek_pci_sdmmc *host, u8 *cmd, u16 byte_cnt,
u8 *buf, int buf_len, int timeout)
{
struct rtsx_pcr *pcr = host->pcr;
int err, i;
u8 trans_mode;
if (!buf)
buf_len = 0;
if (buf && buf_len) {
err = rtsx_pci_write_ppbuf(pcr, buf, buf_len);
if (err < 0) {
dev_dbg(sdmmc_dev(host),
"rtsx_pci_write_ppbuf fail (err = %d)\n", err);
return err;
}
}
trans_mode = cmd ? SD_TM_AUTO_WRITE_2 : SD_TM_AUTO_WRITE_3;
rtsx_pci_init_cmd(pcr);
if (cmd) {
dev_dbg(sdmmc_dev(host), "%s: SD/MMC CMD %d\n", __func__,
cmd[0] - 0x40);
for (i = 0; i < 5; i++)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
SD_CMD0 + i, 0xFF, cmd[i]);
}
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, (u8)byte_cnt);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_BYTE_CNT_H,
0xFF, (u8)(byte_cnt >> 8));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 1);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG2, 0xFF,
SD_CALCULATE_CRC7 | SD_CHECK_CRC16 |
SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 | SD_RSP_LEN_6);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
trans_mode | SD_TRANSFER_START);
rtsx_pci_add_cmd(pcr, CHECK_REG_CMD, SD_TRANSFER,
SD_TRANSFER_END, SD_TRANSFER_END);
err = rtsx_pci_send_cmd(pcr, timeout);
if (err < 0) {
sd_print_debug_regs(host);
dev_dbg(sdmmc_dev(host),
"rtsx_pci_send_cmd fail (err = %d)\n", err);
return err;
}
return 0;
}
static int rts5249_extra_init_hw(struct rtsx_pcr *pcr)
{
struct rtsx_cr_option *option = &(pcr->option);
rts5249_init_from_cfg(pcr);
rts5249_init_from_hw(pcr);
rtsx_pci_init_cmd(pcr);
/* Rest L1SUB Config */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, L1SUB_CONFIG3, 0xFF, 0x00);
/* Configure GPIO as output */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, GPIO_CTL, 0x02, 0x02);
/* Reset ASPM state to default value */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, ASPM_FORCE_CTL, 0x3F, 0);
/* Switch LDO3318 source from DV33 to card_3v3 */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x00);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x01);
/* LED shine disabled, set initial shine cycle period */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OLT_LED_CTL, 0x0F, 0x02);
/* Configure driving */
rts5249_fill_driving(pcr, OUTPUT_3V3);
if (pcr->flags & PCR_REVERSE_SOCKET)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB0, 0xB0);
else
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB0, 0x80);
/*
* If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced
* to drive low, and we forcibly request clock.
*/
if (option->force_clkreq_0)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
else
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
return rtsx_pci_send_cmd(pcr, CMD_TIMEOUT_DEF);
}
static int rts5209_card_power_on(struct rtsx_pcr *pcr, int card)
{
int err;
u8 pwr_mask, partial_pwr_on, pwr_on;
pwr_mask = SD_POWER_MASK;
partial_pwr_on = SD_PARTIAL_POWER_ON;
pwr_on = SD_POWER_ON;
if (pcr->ms_pmos && (card == RTSX_MS_CARD)) {
pwr_mask = MS_POWER_MASK;
partial_pwr_on = MS_PARTIAL_POWER_ON;
pwr_on = MS_POWER_ON;
}
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
pwr_mask, partial_pwr_on);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
LDO3318_PWR_MASK, 0x04);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
/* To avoid too large in-rush current */
udelay(150);
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL, pwr_mask, pwr_on);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
LDO3318_PWR_MASK, 0x00);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
return 0;
}
static int rtl8411_card_power_on(struct rtsx_pcr *pcr, int card)
{
int err;
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL,
BPP_POWER_MASK, BPP_POWER_5_PERCENT_ON);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_CTL,
BPP_LDO_POWB, BPP_LDO_SUSPEND);
err = rtsx_pci_send_cmd(pcr, 100);
if (err < 0)
return err;
/* To avoid too large in-rush current */
udelay(150);
err = rtsx_pci_write_register(pcr, CARD_PWR_CTL,
BPP_POWER_MASK, BPP_POWER_10_PERCENT_ON);
if (err < 0)
return err;
udelay(150);
err = rtsx_pci_write_register(pcr, CARD_PWR_CTL,
BPP_POWER_MASK, BPP_POWER_15_PERCENT_ON);
if (err < 0)
return err;
udelay(150);
err = rtsx_pci_write_register(pcr, CARD_PWR_CTL,
BPP_POWER_MASK, BPP_POWER_ON);
if (err < 0)
return err;
return rtsx_pci_write_register(pcr, LDO_CTL, BPP_LDO_POWB, BPP_LDO_ON);
}
static int rts5249_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
{
int err;
u8 clk_drive, cmd_drive, dat_drive;
if (voltage == OUTPUT_3V3) {
err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, 0x4FC0 | 0x24);
if (err < 0)
return err;
clk_drive = 0x99;
cmd_drive = 0x99;
dat_drive = 0x92;
} else if (voltage == OUTPUT_1V8) {
err = rtsx_pci_write_phy_register(pcr, PHY_BACR, 0x3C02);
if (err < 0)
return err;
err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, 0x4C40 | 0x24);
if (err < 0)
return err;
clk_drive = 0xb3;
cmd_drive = 0xb3;
dat_drive = 0xb3;
} else {
return -EINVAL;
}
/* set pad drive */
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CLK_DRIVE_SEL,
0xFF, clk_drive);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_CMD_DRIVE_SEL,
0xFF, cmd_drive);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DAT_DRIVE_SEL,
0xFF, dat_drive);
return rtsx_pci_send_cmd(pcr, 100);
}
static int rts5260_init_hw(struct rtsx_pcr *pcr)
{
int err;
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, L1SUB_CONFIG1,
AUX_CLK_ACTIVE_SEL_MASK, MAC_CKSW_DONE);
/* Rest L1SUB Config */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, L1SUB_CONFIG3, 0xFF, 0x00);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CLK_FORCE_CTL,
CLK_PM_EN, CLK_PM_EN);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWD_SUSPEND_EN, 0xFF, 0xFF);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
PWR_GATE_EN, PWR_GATE_EN);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, REG_VREF,
PWD_SUSPND_EN, PWD_SUSPND_EN);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RBCTL,
U_AUTO_DMA_EN_MASK, U_AUTO_DMA_DISABLE);
if (pcr->flags & PCR_REVERSE_SOCKET)
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB0, 0xB0);
else
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB0, 0x80);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OBFF_CFG,
OBFF_EN_MASK, OBFF_DISABLE);
err = rtsx_pci_send_cmd(pcr, CMD_TIMEOUT_DEF);
if (err < 0)
return err;
rtsx_pci_init_ocp(pcr);
return 0;
}
static int rts5249_extra_init_hw(struct rtsx_pcr *pcr)
{
rtsx_pci_init_cmd(pcr);
/* Configure GPIO as output */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, GPIO_CTL, 0x02, 0x02);
/* Switch LDO3318 source from DV33 to card_3v3 */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x00);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x01);
/* LED shine disabled, set initial shine cycle period */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OLT_LED_CTL, 0x0F, 0x02);
/* Correct driving */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
SD30_CLK_DRIVE_SEL, 0xFF, 0x99);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
SD30_CMD_DRIVE_SEL, 0xFF, 0x99);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
SD30_DAT_DRIVE_SEL, 0xFF, 0x92);
return rtsx_pci_send_cmd(pcr, 100);
}
static int rts5229_extra_init_hw(struct rtsx_pcr *pcr)
{
rtsx_pci_init_cmd(pcr);
/* Configure GPIO as output */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, GPIO_CTL, 0x02, 0x02);
/* Reset ASPM state to default value */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, ASPM_FORCE_CTL, 0x3F, 0);
/* Force CLKREQ# PIN to drive 0 to request clock */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0x08, 0x08);
/* Switch LDO3318 source from DV33 to card_3v3 */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x00);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, LDO_PWR_SEL, 0x03, 0x01);
/* LED shine disabled, set initial shine cycle period */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OLT_LED_CTL, 0x0F, 0x02);
/* Configure driving */
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DRIVE_SEL,
0xFF, pcr->sd30_drive_sel_3v3);
return rtsx_pci_send_cmd(pcr, 100);
}
static int sd_rw_multi(struct realtek_pci_sdmmc *host, struct mmc_request *mrq)
{
struct rtsx_pcr *pcr = host->pcr;
struct mmc_host *mmc = host->mmc;
struct mmc_card *card = mmc->card;
struct mmc_data *data = mrq->data;
int uhs = mmc_card_uhs(card);
int read = (data->flags & MMC_DATA_READ) ? 1 : 0;
u8 cfg2, trans_mode;
int err;
size_t data_len = data->blksz * data->blocks;
if (read) {
cfg2 = SD_CALCULATE_CRC7 | SD_CHECK_CRC16 |
SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 | SD_RSP_LEN_0;
trans_mode = SD_TM_AUTO_READ_3;
} else {
cfg2 = SD_NO_CALCULATE_CRC7 | SD_CHECK_CRC16 |
SD_NO_WAIT_BUSY_END | SD_NO_CHECK_CRC7 | SD_RSP_LEN_0;
trans_mode = SD_TM_AUTO_WRITE_3;
}
if (!uhs)
cfg2 |= SD_NO_CHECK_WAIT_CRC_TO;
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x00);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 0x02);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_BLOCK_CNT_L,
0xFF, (u8)data->blocks);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_BLOCK_CNT_H,
0xFF, (u8)(data->blocks >> 8));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, IRQSTAT0,
DMA_DONE_INT, DMA_DONE_INT);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, DMATC3,
0xFF, (u8)(data_len >> 24));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, DMATC2,
0xFF, (u8)(data_len >> 16));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, DMATC1,
0xFF, (u8)(data_len >> 8));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, DMATC0, 0xFF, (u8)data_len);
if (read) {
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, DMACTL,
0x03 | DMA_PACK_SIZE_MASK,
DMA_DIR_FROM_CARD | DMA_EN | DMA_512);
} else {
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, DMACTL,
0x03 | DMA_PACK_SIZE_MASK,
DMA_DIR_TO_CARD | DMA_EN | DMA_512);
}
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_DATA_SOURCE,
0x01, RING_BUFFER);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG2, 0xFF, cfg2);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
trans_mode | SD_TRANSFER_START);
rtsx_pci_add_cmd(pcr, CHECK_REG_CMD, SD_TRANSFER,
SD_TRANSFER_END, SD_TRANSFER_END);
rtsx_pci_send_cmd_no_wait(pcr);
err = rtsx_pci_dma_transfer(pcr, data->sg, host->sg_count, read, 10000);
if (err < 0) {
sd_clear_error(host);
return err;
}
return 0;
}
static void sd_send_cmd_get_rsp(struct realtek_pci_sdmmc *host,
struct mmc_command *cmd)
{
struct rtsx_pcr *pcr = host->pcr;
u8 cmd_idx = (u8)cmd->opcode;
u32 arg = cmd->arg;
int err = 0;
int timeout = 100;
int i;
u8 *ptr;
int stat_idx = 0;
u8 rsp_type;
int rsp_len = 5;
bool clock_toggled = false;
dev_dbg(sdmmc_dev(host), "%s: SD/MMC CMD %d, arg = 0x%08x\n",
__func__, cmd_idx, arg);
/* Response type:
* R0
* R1, R5, R6, R7
* R1b
* R2
* R3, R4
*/
switch (mmc_resp_type(cmd)) {
case MMC_RSP_NONE:
rsp_type = SD_RSP_TYPE_R0;
rsp_len = 0;
break;
case MMC_RSP_R1:
rsp_type = SD_RSP_TYPE_R1;
break;
case MMC_RSP_R1 & ~MMC_RSP_CRC:
rsp_type = SD_RSP_TYPE_R1 | SD_NO_CHECK_CRC7;
break;
case MMC_RSP_R1B:
rsp_type = SD_RSP_TYPE_R1b;
break;
case MMC_RSP_R2:
rsp_type = SD_RSP_TYPE_R2;
rsp_len = 16;
break;
case MMC_RSP_R3:
rsp_type = SD_RSP_TYPE_R3;
break;
default:
dev_dbg(sdmmc_dev(host), "cmd->flag is not valid\n");
err = -EINVAL;
goto out;
}
if (rsp_type == SD_RSP_TYPE_R1b)
timeout = 3000;
if (cmd->opcode == SD_SWITCH_VOLTAGE) {
err = rtsx_pci_write_register(pcr, SD_BUS_STAT,
0xFF, SD_CLK_TOGGLE_EN);
if (err < 0)
goto out;
clock_toggled = true;
}
rtsx_pci_init_cmd(pcr);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CMD0, 0xFF, 0x40 | cmd_idx);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CMD1, 0xFF, (u8)(arg >> 24));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CMD2, 0xFF, (u8)(arg >> 16));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CMD3, 0xFF, (u8)(arg >> 8));
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CMD4, 0xFF, (u8)arg);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG2, 0xFF, rsp_type);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_DATA_SOURCE,
0x01, PINGPONG_BUFFER);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_TRANSFER,
0xFF, SD_TM_CMD_RSP | SD_TRANSFER_START);
rtsx_pci_add_cmd(pcr, CHECK_REG_CMD, SD_TRANSFER,
SD_TRANSFER_END | SD_STAT_IDLE,
SD_TRANSFER_END | SD_STAT_IDLE);
if (rsp_type == SD_RSP_TYPE_R2) {
/* Read data from ping-pong buffer */
for (i = PPBUF_BASE2; i < PPBUF_BASE2 + 16; i++)
rtsx_pci_add_cmd(pcr, READ_REG_CMD, (u16)i, 0, 0);
stat_idx = 16;
} else if (rsp_type != SD_RSP_TYPE_R0) {
/* Read data from SD_CMDx registers */
for (i = SD_CMD0; i <= SD_CMD4; i++)
rtsx_pci_add_cmd(pcr, READ_REG_CMD, (u16)i, 0, 0);
stat_idx = 5;
}
rtsx_pci_add_cmd(pcr, READ_REG_CMD, SD_STAT1, 0, 0);
err = rtsx_pci_send_cmd(pcr, timeout);
if (err < 0) {
sd_print_debug_regs(host);
sd_clear_error(host);
dev_dbg(sdmmc_dev(host),
"rtsx_pci_send_cmd error (err = %d)\n", err);
goto out;
}
if (rsp_type == SD_RSP_TYPE_R0) {
err = 0;
goto out;
}
/* Eliminate returned value of CHECK_REG_CMD */
ptr = rtsx_pci_get_cmd_data(pcr) + 1;
/* Check (Start,Transmission) bit of Response */
if ((ptr[0] & 0xC0) != 0) {
err = -EILSEQ;
dev_dbg(sdmmc_dev(host), "Invalid response bit\n");
goto out;
}
/* Check CRC7 */
if (!(rsp_type & SD_NO_CHECK_CRC7)) {
if (ptr[stat_idx] & SD_CRC7_ERR) {
err = -EILSEQ;
dev_dbg(sdmmc_dev(host), "CRC7 error\n");
goto out;
}
}
if (rsp_type == SD_RSP_TYPE_R2) {
/*
* The controller offloads the last byte {CRC-7, end bit 1'b1}
* of response type R2. Assign dummy CRC, 0, and end bit to the
* byte(ptr[16], goes into the LSB of resp[3] later).
*/
ptr[16] = 1;
for (i = 0; i < 4; i++) {
cmd->resp[i] = get_unaligned_be32(ptr + 1 + i * 4);
dev_dbg(sdmmc_dev(host), "cmd->resp[%d] = 0x%08x\n",
i, cmd->resp[i]);
}
} else {
cmd->resp[0] = get_unaligned_be32(ptr + 1);
dev_dbg(sdmmc_dev(host), "cmd->resp[0] = 0x%08x\n",
cmd->resp[0]);
}
out:
cmd->error = err;
if (err && clock_toggled)
rtsx_pci_write_register(pcr, SD_BUS_STAT,
SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP, 0);
}