ufs/host/ufs-mediatek.c

97 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
99 	return !!(host->caps & UFS_MTK_CAP_BOOST_CRYPT_ENGINE);
104 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
106 	return !!(host->caps & UFS_MTK_CAP_VA09_PWR_CTRL);
111 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
113 	return !!(host->caps & UFS_MTK_CAP_BROKEN_VCC);
118 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
120 	return !!(host->caps & UFS_MTK_CAP_PMC_VIA_FASTAUTO);
125 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
127 	return (host->caps & UFS_MTK_CAP_TX_SKEW_FIX);
132 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
134 	return (host->caps & UFS_MTK_CAP_RTFF_MTCMOS);
139 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
141 	return (host->caps & UFS_MTK_CAP_ALLOW_VCCQX_LPM);
194 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
197 	reset_control_assert(host->hci_reset);
198 	reset_control_assert(host->crypto_reset);
199 	reset_control_assert(host->unipro_reset);
200 	reset_control_assert(host->mphy_reset);
204 	reset_control_deassert(host->unipro_reset);
205 	reset_control_deassert(host->crypto_reset);
206 	reset_control_deassert(host->hci_reset);
207 	reset_control_deassert(host->mphy_reset);
210 	if (host->mphy_reset)
228 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
230 	ufs_mtk_init_reset_control(hba, &host->hci_reset,
232 	ufs_mtk_init_reset_control(hba, &host->unipro_reset,
234 	ufs_mtk_init_reset_control(hba, &host->crypto_reset,
236 	ufs_mtk_init_reset_control(hba, &host->mphy_reset,
243 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
246 		if (host->unipro_lpm) {
256 		if (host->caps & UFS_MTK_CAP_DISABLE_AH8) {
265 		 * to prevent host hang issue
277 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
282 	host->mphy = devm_of_phy_get_by_index(dev, np, 0);
284 	if (host->mphy == ERR_PTR(-EPROBE_DEFER)) {
293 	} else if (IS_ERR(host->mphy)) {
294 		err = PTR_ERR(host->mphy);
302 		host->mphy = NULL;
315 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
320 	if (host->ref_clk_enabled == on)
328 		ufshcd_delay_us(host->ref_clk_gating_wait_us, 10);
347 	ufs_mtk_ref_clk_notify(host->ref_clk_enabled, POST_CHANGE, res);
352 	host->ref_clk_enabled = on;
354 		ufshcd_delay_us(host->ref_clk_ungating_wait_us, 10);
364 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
367 		host->ref_clk_gating_wait_us =
370 		host->ref_clk_gating_wait_us = gating_us;
373 	host->ref_clk_ungating_wait_us = REFCLK_DEFAULT_WAIT_US;
378 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
380 	if (((host->ip_ver >> 16) & 0xFF) >= 0x36) {
456 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
457 	struct phy *mphy = host->mphy;
461 	if (!mphy || !(on ^ host->mphy_powered_on))
466 			ret = regulator_enable(host->reg_va09);
478 			ret = regulator_disable(host->reg_va09);
488 		host->mphy_powered_on = on;
511 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
519 	cfg = host->crypt;
581 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
587 	host->crypt = devm_kzalloc(dev, sizeof(*(host->crypt)),
589 	if (!host->crypt)
605 	cfg = host->crypt;
620 	host->caps |= UFS_MTK_CAP_BOOST_CRYPT_ENGINE;
628 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
630 	host->reg_va09 = regulator_get(hba->dev, "va09");
631 	if (IS_ERR(host->reg_va09))
634 		host->caps |= UFS_MTK_CAP_VA09_PWR_CTRL;
639 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
649 		host->caps |= UFS_MTK_CAP_DISABLE_AH8;
652 		host->caps |= UFS_MTK_CAP_BROKEN_VCC;
655 		host->caps |= UFS_MTK_CAP_PMC_VIA_FASTAUTO;
658 		host->caps |= UFS_MTK_CAP_TX_SKEW_FIX;
661 		host->caps |= UFS_MTK_CAP_DISABLE_MCQ;
664 		host->caps |= UFS_MTK_CAP_RTFF_MTCMOS;
666 	dev_info(hba->dev, "caps: 0x%x", host->caps);
676 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
679 		phy_power_on(host->mphy);
687 		phy_power_off(host->mphy);
693 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
699 	if (host->mcq_nr_intr == 0)
702 	for (i = 0; i < host->mcq_nr_intr; i++) {
703 		irq = host->mcq_intr_info[i].irq;
706 	host->is_mcq_intr_enabled = false;
711 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
717 	if (host->mcq_nr_intr == 0)
720 	if (host->is_mcq_intr_enabled == true)
723 	for (i = 0; i < host->mcq_nr_intr; i++) {
724 		irq = host->mcq_intr_info[i].irq;
727 	host->is_mcq_intr_enabled = true;
732  * @hba: host controller instance
741 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
750 	if (!host)
784 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
787 	if (host->hw_ver.major)
791 	host->hw_ver.major = 2;
796 			host->hw_ver.major = 3;
819 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
821 	struct ufs_mtk_clk *mclk = &host->mclk;
831 			host->mclk.ufs_sel_clki = clki;
833 			host->mclk.ufs_sel_max_clki = clki;
837 			host->mclk.ufs_sel_min_clki = clki;
921 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
926 	host->mcq_nr_intr = UFSHCD_MAX_Q_NR;
929 	if (host->caps & UFS_MTK_CAP_DISABLE_MCQ)
932 	for (i = 0; i < host->mcq_nr_intr; i++) {
936 			host->mcq_intr_info[i].irq = MTK_MCQ_INVALID_IRQ;
939 		host->mcq_intr_info[i].hba = hba;
940 		host->mcq_intr_info[i].irq = irq;
947 	for (i = 0; i < host->mcq_nr_intr; i++)
948 		host->mcq_intr_info[i].irq = MTK_MCQ_INVALID_IRQ;
950 	host->mcq_nr_intr = 0;
955  * @hba: host controller instance
967 	struct ufs_mtk_host *host;
968 	struct Scsi_Host *shost = hba->host;
972 	host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL);
973 	if (!host) {
975 		dev_info(dev, "%s: no memory for mtk ufs host\n", __func__);
979 	host->hba = hba;
980 	ufshcd_set_variant(hba, host);
988 	/* Initialize host capability */
1000 	if (host->mphy_reset)
1026 	if (host->caps & UFS_MTK_CAP_DISABLE_AH8)
1050 	host->ip_ver = ufshcd_readl(hba, REG_UFS_MTK_IP_VER);
1084 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
1124 	if (host->hw_ver.major >= 3) {
1158 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
1167 		 * the host.
1169 		host->unipro_lpm = lpm;
1188 	 * to make sure that both host and device TX LCC are disabled
1405 	/* wait host return to idle state when auto-hibern8 off */
1452 	 * for completed host reset.
1510 		/* Only for the host which have TX skew issue */
1612 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
1613 	struct ufs_mtk_clk *mclk = &host->mclk;
1661 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
1664 	if (host->caps & UFS_MTK_CAP_DISABLE_MCQ)
1691 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
1694 	if (!host->mcq_nr_intr) {
1725 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
1729 	for (i = 0; i < host->mcq_nr_intr; i++) {
1730 		irq = host->mcq_intr_info[i].irq;
1736 		host->mcq_intr_info[i].qid = i;
1738 				       &host->mcq_intr_info[i]);
1753 	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
1756 	if (!host->mcq_set_intr) {
1766 		host->mcq_set_intr = true;