Lines Matching +full:oscillator +full:- +full:stable +full:- +full:time
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* Driver for Realtek PCI-Express card reader
4 * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
13 #include <linux/dma-mapping.h>
85 if (pcr->aspm_enabled == enable) in rtsx_comm_set_aspm()
88 if (pcr->aspm_mode == ASPM_MODE_CFG) { in rtsx_comm_set_aspm()
89 pcie_capability_clear_and_set_word(pcr->pci, PCI_EXP_LNKCTL, in rtsx_comm_set_aspm()
91 enable ? pcr->aspm_en : 0); in rtsx_comm_set_aspm()
92 } else if (pcr->aspm_mode == ASPM_MODE_REG) { in rtsx_comm_set_aspm()
93 if (pcr->aspm_en & 0x02) in rtsx_comm_set_aspm()
101 if (!enable && (pcr->aspm_en & 0x02)) in rtsx_comm_set_aspm()
104 pcr->aspm_enabled = enable; in rtsx_comm_set_aspm()
109 if (pcr->ops->set_aspm) in rtsx_disable_aspm()
110 pcr->ops->set_aspm(pcr, false); in rtsx_disable_aspm()
124 if (pcr->ops->set_l1off_cfg_sub_d0) in rtsx_set_l1off_sub_cfg_d0()
125 pcr->ops->set_l1off_cfg_sub_d0(pcr, active); in rtsx_set_l1off_sub_cfg_d0()
130 struct rtsx_cr_option *option = &pcr->option; in rtsx_comm_pm_full_on()
137 if (option->ltr_enabled) in rtsx_comm_pm_full_on()
138 rtsx_set_ltr_latency(pcr, option->ltr_active_latency); in rtsx_comm_pm_full_on()
152 if (pcr->remove_pci) in rtsx_pci_start_run()
155 if (pcr->rtd3_en) in rtsx_pci_start_run()
156 if (pcr->is_runtime_suspended) { in rtsx_pci_start_run()
157 pm_runtime_get(&(pcr->pci->dev)); in rtsx_pci_start_run()
158 pcr->is_runtime_suspended = false; in rtsx_pci_start_run()
161 if (pcr->state != PDEV_STAT_RUN) { in rtsx_pci_start_run()
162 pcr->state = PDEV_STAT_RUN; in rtsx_pci_start_run()
163 if (pcr->ops->enable_auto_blink) in rtsx_pci_start_run()
164 pcr->ops->enable_auto_blink(pcr); in rtsx_pci_start_run()
168 mod_delayed_work(system_wq, &pcr->idle_work, msecs_to_jiffies(200)); in rtsx_pci_start_run()
187 return -EIO; in rtsx_pci_write_register()
192 return -ETIMEDOUT; in rtsx_pci_write_register()
211 return -ETIMEDOUT; in rtsx_pci_read_register()
242 return -ETIMEDOUT; in __rtsx_pci_write_phy_register()
249 if (pcr->ops->write_phy) in rtsx_pci_write_phy_register()
250 return pcr->ops->write_phy(pcr, addr, val); in rtsx_pci_write_phy_register()
277 return -ETIMEDOUT; in __rtsx_pci_read_phy_register()
291 if (pcr->ops->read_phy) in rtsx_pci_read_phy_register()
292 return pcr->ops->read_phy(pcr, addr, val); in rtsx_pci_read_phy_register()
300 if (pcr->ops->stop_cmd) in rtsx_pci_stop_cmd()
301 return pcr->ops->stop_cmd(pcr); in rtsx_pci_stop_cmd()
316 u32 *ptr = (u32 *)(pcr->host_cmds_ptr); in rtsx_pci_add_cmd()
323 spin_lock_irqsave(&pcr->lock, flags); in rtsx_pci_add_cmd()
324 ptr += pcr->ci; in rtsx_pci_add_cmd()
325 if (pcr->ci < (HOST_CMDS_BUF_LEN / 4)) { in rtsx_pci_add_cmd()
328 pcr->ci++; in rtsx_pci_add_cmd()
330 spin_unlock_irqrestore(&pcr->lock, flags); in rtsx_pci_add_cmd()
338 rtsx_pci_writel(pcr, RTSX_HCBAR, pcr->host_cmds_addr); in rtsx_pci_send_cmd_no_wait()
340 val |= (u32)(pcr->ci * 4) & 0x00FFFFFF; in rtsx_pci_send_cmd_no_wait()
355 spin_lock_irqsave(&pcr->lock, flags); in rtsx_pci_send_cmd()
358 pcr->done = &trans_done; in rtsx_pci_send_cmd()
359 pcr->trans_result = TRANS_NOT_READY; in rtsx_pci_send_cmd()
362 rtsx_pci_writel(pcr, RTSX_HCBAR, pcr->host_cmds_addr); in rtsx_pci_send_cmd()
364 val |= (u32)(pcr->ci * 4) & 0x00FFFFFF; in rtsx_pci_send_cmd()
369 spin_unlock_irqrestore(&pcr->lock, flags); in rtsx_pci_send_cmd()
376 err = -ETIMEDOUT; in rtsx_pci_send_cmd()
380 spin_lock_irqsave(&pcr->lock, flags); in rtsx_pci_send_cmd()
381 if (pcr->trans_result == TRANS_RESULT_FAIL) in rtsx_pci_send_cmd()
382 err = -EINVAL; in rtsx_pci_send_cmd()
383 else if (pcr->trans_result == TRANS_RESULT_OK) in rtsx_pci_send_cmd()
385 else if (pcr->trans_result == TRANS_NO_DEVICE) in rtsx_pci_send_cmd()
386 err = -ENODEV; in rtsx_pci_send_cmd()
387 spin_unlock_irqrestore(&pcr->lock, flags); in rtsx_pci_send_cmd()
390 spin_lock_irqsave(&pcr->lock, flags); in rtsx_pci_send_cmd()
391 pcr->done = NULL; in rtsx_pci_send_cmd()
392 spin_unlock_irqrestore(&pcr->lock, flags); in rtsx_pci_send_cmd()
394 if ((err < 0) && (err != -ENODEV)) in rtsx_pci_send_cmd()
397 if (pcr->finish_me) in rtsx_pci_send_cmd()
398 complete(pcr->finish_me); in rtsx_pci_send_cmd()
407 u64 *ptr = (u64 *)(pcr->host_sg_tbl_ptr) + pcr->sgi; in rtsx_pci_add_sg_tbl()
426 pcr->sgi++; in rtsx_pci_add_sg_tbl()
434 pcr_dbg(pcr, "--> %s: num_sg = %d\n", __func__, num_sg); in rtsx_pci_transfer_data()
437 return -EINVAL; in rtsx_pci_transfer_data()
453 if (pcr->remove_pci) in rtsx_pci_dma_map_sg()
454 return -EINVAL; in rtsx_pci_dma_map_sg()
457 return -EINVAL; in rtsx_pci_dma_map_sg()
459 return dma_map_sg(&(pcr->pci->dev), sglist, num_sg, dir); in rtsx_pci_dma_map_sg()
468 dma_unmap_sg(&(pcr->pci->dev), sglist, num_sg, dir); in rtsx_pci_dma_unmap_sg()
485 if (pcr->remove_pci) in rtsx_pci_dma_transfer()
486 return -ENODEV; in rtsx_pci_dma_transfer()
489 return -EINVAL; in rtsx_pci_dma_transfer()
492 pcr->sgi = 0; in rtsx_pci_dma_transfer()
496 rtsx_pci_add_sg_tbl(pcr, addr, len, i == count - 1); in rtsx_pci_dma_transfer()
499 spin_lock_irqsave(&pcr->lock, flags); in rtsx_pci_dma_transfer()
501 pcr->done = &trans_done; in rtsx_pci_dma_transfer()
502 pcr->trans_result = TRANS_NOT_READY; in rtsx_pci_dma_transfer()
504 rtsx_pci_writel(pcr, RTSX_HDBAR, pcr->host_sg_tbl_addr); in rtsx_pci_dma_transfer()
507 spin_unlock_irqrestore(&pcr->lock, flags); in rtsx_pci_dma_transfer()
513 err = -ETIMEDOUT; in rtsx_pci_dma_transfer()
517 spin_lock_irqsave(&pcr->lock, flags); in rtsx_pci_dma_transfer()
518 if (pcr->trans_result == TRANS_RESULT_FAIL) { in rtsx_pci_dma_transfer()
519 err = -EILSEQ; in rtsx_pci_dma_transfer()
520 if (pcr->dma_error_count < RTS_MAX_TIMES_FREQ_REDUCTION) in rtsx_pci_dma_transfer()
521 pcr->dma_error_count++; in rtsx_pci_dma_transfer()
524 else if (pcr->trans_result == TRANS_NO_DEVICE) in rtsx_pci_dma_transfer()
525 err = -ENODEV; in rtsx_pci_dma_transfer()
526 spin_unlock_irqrestore(&pcr->lock, flags); in rtsx_pci_dma_transfer()
529 spin_lock_irqsave(&pcr->lock, flags); in rtsx_pci_dma_transfer()
530 pcr->done = NULL; in rtsx_pci_dma_transfer()
531 spin_unlock_irqrestore(&pcr->lock, flags); in rtsx_pci_dma_transfer()
533 if ((err < 0) && (err != -ENODEV)) in rtsx_pci_dma_transfer()
536 if (pcr->finish_me) in rtsx_pci_dma_transfer()
537 complete(pcr->finish_me); in rtsx_pci_dma_transfer()
648 tbl = pcr->sd_pull_ctl_enable_tbl; in rtsx_pci_card_pull_ctl_enable()
650 tbl = pcr->ms_pull_ctl_enable_tbl; in rtsx_pci_card_pull_ctl_enable()
652 return -EINVAL; in rtsx_pci_card_pull_ctl_enable()
663 tbl = pcr->sd_pull_ctl_disable_tbl; in rtsx_pci_card_pull_ctl_disable()
665 tbl = pcr->ms_pull_ctl_disable_tbl; in rtsx_pci_card_pull_ctl_disable()
667 return -EINVAL; in rtsx_pci_card_pull_ctl_disable()
675 struct rtsx_hw_param *hw_param = &pcr->hw_param; in rtsx_pci_enable_bus_int()
677 pcr->bier = TRANS_OK_INT_EN | TRANS_FAIL_INT_EN | SD_INT_EN in rtsx_pci_enable_bus_int()
678 | hw_param->interrupt_en; in rtsx_pci_enable_bus_int()
680 if (pcr->num_slots > 1) in rtsx_pci_enable_bus_int()
681 pcr->bier |= MS_INT_EN; in rtsx_pci_enable_bus_int()
684 rtsx_pci_writel(pcr, RTSX_BIER, pcr->bier); in rtsx_pci_enable_bus_int()
686 pcr_dbg(pcr, "RTSX_BIER: 0x%08x\n", pcr->bier); in rtsx_pci_enable_bus_int()
691 return ((depth > 1) ? (depth - 1) : depth); in double_ssc_depth()
697 if (ssc_depth > (div - 1)) in revise_ssc_depth()
698 ssc_depth -= (div - 1); in revise_ssc_depth()
738 /* Reduce card clock by 20MHz each time a DMA transfer error occurs */ in rtsx_pci_switch_clock()
740 pcr->dma_error_count && in rtsx_pci_switch_clock()
742 card_clock = UHS_SDR104_MAX_DTR - in rtsx_pci_switch_clock()
743 (pcr->dma_error_count * 20000000); in rtsx_pci_switch_clock()
752 clk, pcr->cur_clock); in rtsx_pci_switch_clock()
754 if (clk == pcr->cur_clock) in rtsx_pci_switch_clock()
757 if (pcr->ops->conv_clk_and_div_n) in rtsx_pci_switch_clock()
758 n = (u8)pcr->ops->conv_clk_and_div_n(clk, CLK_TO_DIV_N); in rtsx_pci_switch_clock()
760 n = (u8)(clk - 2); in rtsx_pci_switch_clock()
762 return -EINVAL; in rtsx_pci_switch_clock()
771 if (pcr->ops->conv_clk_and_div_n) { in rtsx_pci_switch_clock()
772 int dbl_clk = pcr->ops->conv_clk_and_div_n(n, in rtsx_pci_switch_clock()
774 n = (u8)pcr->ops->conv_clk_and_div_n(dbl_clk, in rtsx_pci_switch_clock()
777 n = (n + 2) * 2 - 2; in rtsx_pci_switch_clock()
811 /* Wait SSC clock stable */ in rtsx_pci_switch_clock()
817 pcr->cur_clock = clk; in rtsx_pci_switch_clock()
824 if (pcr->ops->card_power_on) in rtsx_pci_card_power_on()
825 return pcr->ops->card_power_on(pcr, card); in rtsx_pci_card_power_on()
833 if (pcr->ops->card_power_off) in rtsx_pci_card_power_off()
834 return pcr->ops->card_power_off(pcr, card); in rtsx_pci_card_power_off()
847 if (!(pcr->flags & PCR_MS_PMOS)) { in rtsx_pci_card_exclusive_check()
851 if (pcr->card_exist & (~cd_mask[card])) in rtsx_pci_card_exclusive_check()
852 return -EIO; in rtsx_pci_card_exclusive_check()
861 if (pcr->ops->switch_output_voltage) in rtsx_pci_switch_output_voltage()
862 return pcr->ops->switch_output_voltage(pcr, voltage); in rtsx_pci_switch_output_voltage()
873 if (pcr->ops->cd_deglitch) in rtsx_pci_card_exist()
874 val = pcr->ops->cd_deglitch(pcr); in rtsx_pci_card_exist()
884 pcr->finish_me = &finish; in rtsx_pci_complete_unfinished_transfer()
887 if (pcr->done) in rtsx_pci_complete_unfinished_transfer()
888 complete(pcr->done); in rtsx_pci_complete_unfinished_transfer()
890 if (!pcr->remove_pci) in rtsx_pci_complete_unfinished_transfer()
895 pcr->finish_me = NULL; in rtsx_pci_complete_unfinished_transfer()
910 pcr_dbg(pcr, "--> %s\n", __func__); in rtsx_pci_card_detect()
912 mutex_lock(&pcr->pcr_mutex); in rtsx_pci_card_detect()
913 spin_lock_irqsave(&pcr->lock, flags); in rtsx_pci_card_detect()
919 card_inserted = pcr->card_inserted & irq_status; in rtsx_pci_card_detect()
920 card_removed = pcr->card_removed; in rtsx_pci_card_detect()
921 pcr->card_inserted = 0; in rtsx_pci_card_detect()
922 pcr->card_removed = 0; in rtsx_pci_card_detect()
924 spin_unlock_irqrestore(&pcr->lock, flags); in rtsx_pci_card_detect()
930 if (pcr->ops->cd_deglitch) in rtsx_pci_card_detect()
931 card_inserted = pcr->ops->cd_deglitch(pcr); in rtsx_pci_card_detect()
935 pcr->card_exist |= card_inserted; in rtsx_pci_card_detect()
936 pcr->card_exist &= ~card_removed; in rtsx_pci_card_detect()
939 mutex_unlock(&pcr->pcr_mutex); in rtsx_pci_card_detect()
941 if ((card_detect & SD_EXIST) && pcr->slots[RTSX_SD_CARD].card_event) in rtsx_pci_card_detect()
942 pcr->slots[RTSX_SD_CARD].card_event( in rtsx_pci_card_detect()
943 pcr->slots[RTSX_SD_CARD].p_dev); in rtsx_pci_card_detect()
944 if ((card_detect & MS_EXIST) && pcr->slots[RTSX_MS_CARD].card_event) in rtsx_pci_card_detect()
945 pcr->slots[RTSX_MS_CARD].card_event( in rtsx_pci_card_detect()
946 pcr->slots[RTSX_MS_CARD].p_dev); in rtsx_pci_card_detect()
951 if (pcr->ops->process_ocp) { in rtsx_pci_process_ocp()
952 pcr->ops->process_ocp(pcr); in rtsx_pci_process_ocp()
954 if (!pcr->option.ocp_en) in rtsx_pci_process_ocp()
956 rtsx_pci_get_ocpstat(pcr, &pcr->ocp_stat); in rtsx_pci_process_ocp()
957 if (pcr->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) { in rtsx_pci_process_ocp()
961 pcr->ocp_stat = 0; in rtsx_pci_process_ocp()
968 if (pcr->option.ocp_en) in rtsx_pci_process_ocp_interrupt()
982 spin_lock(&pcr->lock); in rtsx_pci_isr()
987 if ((int_reg & pcr->bier) == 0) { in rtsx_pci_isr()
988 spin_unlock(&pcr->lock); in rtsx_pci_isr()
992 spin_unlock(&pcr->lock); in rtsx_pci_isr()
996 int_reg &= (pcr->bier | 0x7FFFFF); in rtsx_pci_isr()
1003 pcr->card_inserted |= SD_EXIST; in rtsx_pci_isr()
1005 pcr->card_removed |= SD_EXIST; in rtsx_pci_isr()
1006 pcr->card_inserted &= ~SD_EXIST; in rtsx_pci_isr()
1010 pcr->extra_caps |= EXTRA_CAPS_SD_EXPRESS; in rtsx_pci_isr()
1013 pcr->dma_error_count = 0; in rtsx_pci_isr()
1018 pcr->card_inserted |= MS_EXIST; in rtsx_pci_isr()
1020 pcr->card_removed |= MS_EXIST; in rtsx_pci_isr()
1021 pcr->card_inserted &= ~MS_EXIST; in rtsx_pci_isr()
1027 pcr->trans_result = TRANS_RESULT_FAIL; in rtsx_pci_isr()
1028 if (pcr->done) in rtsx_pci_isr()
1029 complete(pcr->done); in rtsx_pci_isr()
1031 pcr->trans_result = TRANS_RESULT_OK; in rtsx_pci_isr()
1032 if (pcr->done) in rtsx_pci_isr()
1033 complete(pcr->done); in rtsx_pci_isr()
1037 if ((pcr->card_inserted || pcr->card_removed) && !(int_reg & SD_OC_INT)) in rtsx_pci_isr()
1038 schedule_delayed_work(&pcr->carddet_work, in rtsx_pci_isr()
1041 spin_unlock(&pcr->lock); in rtsx_pci_isr()
1047 pcr_dbg(pcr, "%s: pcr->msi_en = %d, pci->irq = %d\n", in rtsx_pci_acquire_irq()
1048 __func__, pcr->msi_en, pcr->pci->irq); in rtsx_pci_acquire_irq()
1050 if (request_irq(pcr->pci->irq, rtsx_pci_isr, in rtsx_pci_acquire_irq()
1051 pcr->msi_en ? 0 : IRQF_SHARED, in rtsx_pci_acquire_irq()
1053 dev_err(&(pcr->pci->dev), in rtsx_pci_acquire_irq()
1055 pcr->pci->irq); in rtsx_pci_acquire_irq()
1056 return -1; in rtsx_pci_acquire_irq()
1059 pcr->irq = pcr->pci->irq; in rtsx_pci_acquire_irq()
1060 pci_intx(pcr->pci, !pcr->msi_en); in rtsx_pci_acquire_irq()
1067 if (pcr->ops->set_aspm) in rtsx_enable_aspm()
1068 pcr->ops->set_aspm(pcr, true); in rtsx_enable_aspm()
1075 struct rtsx_cr_option *option = &pcr->option; in rtsx_comm_pm_power_saving()
1077 if (option->ltr_enabled) { in rtsx_comm_pm_power_saving()
1078 u32 latency = option->ltr_l1off_latency; in rtsx_comm_pm_power_saving()
1081 mdelay(option->l1_snooze_delay); in rtsx_comm_pm_power_saving()
1102 pcr_dbg(pcr, "--> %s\n", __func__); in rtsx_pci_rtd3_work()
1103 if (!pcr->is_runtime_suspended) in rtsx_pci_rtd3_work()
1104 pm_runtime_put(&(pcr->pci->dev)); in rtsx_pci_rtd3_work()
1112 pcr_dbg(pcr, "--> %s\n", __func__); in rtsx_pci_idle_work()
1114 mutex_lock(&pcr->pcr_mutex); in rtsx_pci_idle_work()
1116 pcr->state = PDEV_STAT_IDLE; in rtsx_pci_idle_work()
1118 if (pcr->ops->disable_auto_blink) in rtsx_pci_idle_work()
1119 pcr->ops->disable_auto_blink(pcr); in rtsx_pci_idle_work()
1120 if (pcr->ops->turn_off_led) in rtsx_pci_idle_work()
1121 pcr->ops->turn_off_led(pcr); in rtsx_pci_idle_work()
1125 mutex_unlock(&pcr->pcr_mutex); in rtsx_pci_idle_work()
1127 if (pcr->rtd3_en) in rtsx_pci_idle_work()
1128 mod_delayed_work(system_wq, &pcr->rtd3_work, msecs_to_jiffies(10000)); in rtsx_pci_idle_work()
1139 rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, in rtsx_base_force_power_down()
1147 if (pcr->ops->turn_off_led) in rtsx_pci_power_off()
1148 pcr->ops->turn_off_led(pcr); in rtsx_pci_power_off()
1151 pcr->bier = 0; in rtsx_pci_power_off()
1156 if (pcr->ops->force_power_down) in rtsx_pci_power_off()
1157 pcr->ops->force_power_down(pcr, pm_state); in rtsx_pci_power_off()
1166 if (pcr->ops->enable_ocp) { in rtsx_pci_enable_ocp()
1167 pcr->ops->enable_ocp(pcr); in rtsx_pci_enable_ocp()
1179 if (pcr->ops->disable_ocp) { in rtsx_pci_disable_ocp()
1180 pcr->ops->disable_ocp(pcr); in rtsx_pci_disable_ocp()
1190 if (pcr->ops->init_ocp) { in rtsx_pci_init_ocp()
1191 pcr->ops->init_ocp(pcr); in rtsx_pci_init_ocp()
1193 struct rtsx_cr_option *option = &(pcr->option); in rtsx_pci_init_ocp()
1195 if (option->ocp_en) { in rtsx_pci_init_ocp()
1196 u8 val = option->sd_800mA_ocp_thd; in rtsx_pci_init_ocp()
1204 SD_OCP_GLITCH_MASK, pcr->hw_param.ocp_glitch); in rtsx_pci_init_ocp()
1212 if (pcr->ops->get_ocpstat) in rtsx_pci_get_ocpstat()
1213 return pcr->ops->get_ocpstat(pcr, val); in rtsx_pci_get_ocpstat()
1220 if (pcr->ops->clear_ocpstat) { in rtsx_pci_clear_ocpstat()
1221 pcr->ops->clear_ocpstat(pcr); in rtsx_pci_clear_ocpstat()
1291 struct pci_dev *pdev = pcr->pci; in rtsx_pci_init_hw()
1298 rtsx_pci_writel(pcr, RTSX_HCBAR, pcr->host_cmds_addr); in rtsx_pci_init_hw()
1315 /* Wait SSC power stable */ in rtsx_pci_init_hw()
1319 if (pcr->ops->optimize_phy) { in rtsx_pci_init_hw()
1320 err = pcr->ops->optimize_phy(pcr); in rtsx_pci_init_hw()
1337 0xFF, pcr->card_drive_sel); in rtsx_pci_init_hw()
1359 /* Update RC oscillator to 400k in rtsx_pci_init_hw()
1360 * bit[0] F_HIGH: for RC oscillator, Rst_value is 1'b1 in rtsx_pci_init_hw()
1392 pcie_capability_clear_and_set_word(pcr->pci, PCI_EXP_LNKCTL, in rtsx_pci_init_hw()
1397 if (pcr->ops->extra_init_hw) { in rtsx_pci_init_hw()
1398 err = pcr->ops->extra_init_hw(pcr); in rtsx_pci_init_hw()
1403 if (pcr->aspm_mode == ASPM_MODE_REG) in rtsx_pci_init_hw()
1407 * So we need to initialize pcr->card_exist here. in rtsx_pci_init_hw()
1409 if (pcr->ops->cd_deglitch) in rtsx_pci_init_hw()
1410 pcr->card_exist = pcr->ops->cd_deglitch(pcr); in rtsx_pci_init_hw()
1412 pcr->card_exist = rtsx_pci_readl(pcr, RTSX_BIPR) & CARD_EXIST; in rtsx_pci_init_hw()
1423 spin_lock_init(&pcr->lock); in rtsx_pci_init_chip()
1424 mutex_init(&pcr->pcr_mutex); in rtsx_pci_init_chip()
1482 PCI_PID(pcr), pcr->ic_version); in rtsx_pci_init_chip()
1484 pcr->slots = kcalloc(pcr->num_slots, sizeof(struct rtsx_slot), in rtsx_pci_init_chip()
1486 if (!pcr->slots) in rtsx_pci_init_chip()
1487 return -ENOMEM; in rtsx_pci_init_chip()
1489 if (pcr->aspm_mode == ASPM_MODE_CFG) { in rtsx_pci_init_chip()
1490 pcie_capability_read_word(pcr->pci, PCI_EXP_LNKCTL, &cfg_val); in rtsx_pci_init_chip()
1492 pcr->aspm_enabled = true; in rtsx_pci_init_chip()
1494 pcr->aspm_enabled = false; in rtsx_pci_init_chip()
1496 } else if (pcr->aspm_mode == ASPM_MODE_REG) { in rtsx_pci_init_chip()
1499 pcr->aspm_enabled = false; in rtsx_pci_init_chip()
1501 pcr->aspm_enabled = true; in rtsx_pci_init_chip()
1504 if (pcr->ops->fetch_vendor_settings) in rtsx_pci_init_chip()
1505 pcr->ops->fetch_vendor_settings(pcr); in rtsx_pci_init_chip()
1507 pcr_dbg(pcr, "pcr->aspm_en = 0x%x\n", pcr->aspm_en); in rtsx_pci_init_chip()
1508 pcr_dbg(pcr, "pcr->sd30_drive_sel_1v8 = 0x%x\n", in rtsx_pci_init_chip()
1509 pcr->sd30_drive_sel_1v8); in rtsx_pci_init_chip()
1510 pcr_dbg(pcr, "pcr->sd30_drive_sel_3v3 = 0x%x\n", in rtsx_pci_init_chip()
1511 pcr->sd30_drive_sel_3v3); in rtsx_pci_init_chip()
1512 pcr_dbg(pcr, "pcr->card_drive_sel = 0x%x\n", in rtsx_pci_init_chip()
1513 pcr->card_drive_sel); in rtsx_pci_init_chip()
1514 pcr_dbg(pcr, "pcr->flags = 0x%x\n", pcr->flags); in rtsx_pci_init_chip()
1516 pcr->state = PDEV_STAT_IDLE; in rtsx_pci_init_chip()
1519 kfree(pcr->slots); in rtsx_pci_init_chip()
1534 dev_dbg(&(pcidev->dev), in rtsx_pci_probe()
1535 ": Realtek PCI-E Card Reader found at %s [%04x:%04x] (rev %x)\n", in rtsx_pci_probe()
1536 pci_name(pcidev), (int)pcidev->vendor, (int)pcidev->device, in rtsx_pci_probe()
1537 (int)pcidev->revision); in rtsx_pci_probe()
1553 ret = -ENOMEM; in rtsx_pci_probe()
1559 ret = -ENOMEM; in rtsx_pci_probe()
1562 handle->pcr = pcr; in rtsx_pci_probe()
1568 pcr->id = ret; in rtsx_pci_probe()
1574 pcr->pci = pcidev; in rtsx_pci_probe()
1575 dev_set_drvdata(&pcidev->dev, handle); in rtsx_pci_probe()
1581 pcr->remap_addr = ioremap(base, len); in rtsx_pci_probe()
1582 if (!pcr->remap_addr) { in rtsx_pci_probe()
1583 ret = -ENOMEM; in rtsx_pci_probe()
1587 pcr->rtsx_resv_buf = dma_alloc_coherent(&(pcidev->dev), in rtsx_pci_probe()
1588 RTSX_RESV_BUF_LEN, &(pcr->rtsx_resv_buf_addr), in rtsx_pci_probe()
1590 if (pcr->rtsx_resv_buf == NULL) { in rtsx_pci_probe()
1591 ret = -ENXIO; in rtsx_pci_probe()
1594 pcr->host_cmds_ptr = pcr->rtsx_resv_buf; in rtsx_pci_probe()
1595 pcr->host_cmds_addr = pcr->rtsx_resv_buf_addr; in rtsx_pci_probe()
1596 pcr->host_sg_tbl_ptr = pcr->rtsx_resv_buf + HOST_CMDS_BUF_LEN; in rtsx_pci_probe()
1597 pcr->host_sg_tbl_addr = pcr->rtsx_resv_buf_addr + HOST_CMDS_BUF_LEN; in rtsx_pci_probe()
1598 pcr->card_inserted = 0; in rtsx_pci_probe()
1599 pcr->card_removed = 0; in rtsx_pci_probe()
1600 INIT_DELAYED_WORK(&pcr->carddet_work, rtsx_pci_card_detect); in rtsx_pci_probe()
1601 INIT_DELAYED_WORK(&pcr->idle_work, rtsx_pci_idle_work); in rtsx_pci_probe()
1603 pcr->msi_en = msi_en; in rtsx_pci_probe()
1604 if (pcr->msi_en) { in rtsx_pci_probe()
1607 pcr->msi_en = false; in rtsx_pci_probe()
1615 synchronize_irq(pcr->irq); in rtsx_pci_probe()
1626 if (pcr->rtd3_en) { in rtsx_pci_probe()
1627 INIT_DELAYED_WORK(&pcr->rtd3_work, rtsx_pci_rtd3_work); in rtsx_pci_probe()
1628 pm_runtime_allow(&pcidev->dev); in rtsx_pci_probe()
1629 pm_runtime_enable(&pcidev->dev); in rtsx_pci_probe()
1630 pcr->is_runtime_suspended = false; in rtsx_pci_probe()
1634 ret = mfd_add_devices(&pcidev->dev, pcr->id, rtsx_pcr_cells, in rtsx_pci_probe()
1639 schedule_delayed_work(&pcr->idle_work, msecs_to_jiffies(200)); in rtsx_pci_probe()
1644 kfree(pcr->slots); in rtsx_pci_probe()
1646 free_irq(pcr->irq, (void *)pcr); in rtsx_pci_probe()
1648 if (pcr->msi_en) in rtsx_pci_probe()
1649 pci_disable_msi(pcr->pci); in rtsx_pci_probe()
1650 dma_free_coherent(&(pcr->pci->dev), RTSX_RESV_BUF_LEN, in rtsx_pci_probe()
1651 pcr->rtsx_resv_buf, pcr->rtsx_resv_buf_addr); in rtsx_pci_probe()
1653 iounmap(pcr->remap_addr); in rtsx_pci_probe()
1669 struct rtsx_pcr *pcr = handle->pcr; in rtsx_pci_remove()
1671 if (pcr->rtd3_en) in rtsx_pci_remove()
1672 pm_runtime_get_noresume(&pcr->pci->dev); in rtsx_pci_remove()
1674 pcr->remove_pci = true; in rtsx_pci_remove()
1677 spin_lock_irq(&pcr->lock); in rtsx_pci_remove()
1679 pcr->bier = 0; in rtsx_pci_remove()
1680 spin_unlock_irq(&pcr->lock); in rtsx_pci_remove()
1682 cancel_delayed_work_sync(&pcr->carddet_work); in rtsx_pci_remove()
1683 cancel_delayed_work_sync(&pcr->idle_work); in rtsx_pci_remove()
1684 if (pcr->rtd3_en) in rtsx_pci_remove()
1685 cancel_delayed_work_sync(&pcr->rtd3_work); in rtsx_pci_remove()
1687 mfd_remove_devices(&pcidev->dev); in rtsx_pci_remove()
1689 dma_free_coherent(&(pcr->pci->dev), RTSX_RESV_BUF_LEN, in rtsx_pci_remove()
1690 pcr->rtsx_resv_buf, pcr->rtsx_resv_buf_addr); in rtsx_pci_remove()
1691 free_irq(pcr->irq, (void *)pcr); in rtsx_pci_remove()
1692 if (pcr->msi_en) in rtsx_pci_remove()
1693 pci_disable_msi(pcr->pci); in rtsx_pci_remove()
1694 iounmap(pcr->remap_addr); in rtsx_pci_remove()
1700 idr_remove(&rtsx_pci_idr, pcr->id); in rtsx_pci_remove()
1703 if (pcr->rtd3_en) { in rtsx_pci_remove()
1704 pm_runtime_disable(&pcr->pci->dev); in rtsx_pci_remove()
1705 pm_runtime_put_noidle(&pcr->pci->dev); in rtsx_pci_remove()
1708 kfree(pcr->slots); in rtsx_pci_remove()
1712 dev_dbg(&(pcidev->dev), in rtsx_pci_remove()
1713 ": Realtek PCI-E Card Reader at %s [%04x:%04x] has been removed\n", in rtsx_pci_remove()
1714 pci_name(pcidev), (int)pcidev->vendor, (int)pcidev->device); in rtsx_pci_remove()
1723 dev_dbg(&(pcidev->dev), "--> %s\n", __func__); in rtsx_pci_suspend()
1726 pcr = handle->pcr; in rtsx_pci_suspend()
1728 cancel_delayed_work(&pcr->carddet_work); in rtsx_pci_suspend()
1729 cancel_delayed_work(&pcr->idle_work); in rtsx_pci_suspend()
1731 mutex_lock(&pcr->pcr_mutex); in rtsx_pci_suspend()
1737 mutex_unlock(&pcr->pcr_mutex); in rtsx_pci_suspend()
1748 dev_dbg(&(pcidev->dev), "--> %s\n", __func__); in rtsx_pci_resume()
1751 pcr = handle->pcr; in rtsx_pci_resume()
1753 mutex_lock(&pcr->pcr_mutex); in rtsx_pci_resume()
1763 schedule_delayed_work(&pcr->idle_work, msecs_to_jiffies(200)); in rtsx_pci_resume()
1766 mutex_unlock(&pcr->pcr_mutex); in rtsx_pci_resume()
1777 dev_dbg(&(pcidev->dev), "--> %s\n", __func__); in rtsx_pci_shutdown()
1780 pcr = handle->pcr; in rtsx_pci_shutdown()
1784 free_irq(pcr->irq, (void *)pcr); in rtsx_pci_shutdown()
1785 if (pcr->msi_en) in rtsx_pci_shutdown()
1786 pci_disable_msi(pcr->pci); in rtsx_pci_shutdown()
1796 pcr = handle->pcr; in rtsx_pci_runtime_suspend()
1797 dev_dbg(&(pcidev->dev), "--> %s\n", __func__); in rtsx_pci_runtime_suspend()
1799 cancel_delayed_work(&pcr->carddet_work); in rtsx_pci_runtime_suspend()
1800 cancel_delayed_work(&pcr->rtd3_work); in rtsx_pci_runtime_suspend()
1801 cancel_delayed_work(&pcr->idle_work); in rtsx_pci_runtime_suspend()
1803 mutex_lock(&pcr->pcr_mutex); in rtsx_pci_runtime_suspend()
1806 free_irq(pcr->irq, (void *)pcr); in rtsx_pci_runtime_suspend()
1808 mutex_unlock(&pcr->pcr_mutex); in rtsx_pci_runtime_suspend()
1810 pcr->is_runtime_suspended = true; in rtsx_pci_runtime_suspend()
1822 pcr = handle->pcr; in rtsx_pci_runtime_resume()
1823 dev_dbg(&(pcidev->dev), "--> %s\n", __func__); in rtsx_pci_runtime_resume()
1825 mutex_lock(&pcr->pcr_mutex); in rtsx_pci_runtime_resume()
1829 synchronize_irq(pcr->irq); in rtsx_pci_runtime_resume()
1831 if (pcr->ops->fetch_vendor_settings) in rtsx_pci_runtime_resume()
1832 pcr->ops->fetch_vendor_settings(pcr); in rtsx_pci_runtime_resume()
1836 if (pcr->slots[RTSX_SD_CARD].p_dev != NULL) { in rtsx_pci_runtime_resume()
1837 pcr->slots[RTSX_SD_CARD].card_event( in rtsx_pci_runtime_resume()
1838 pcr->slots[RTSX_SD_CARD].p_dev); in rtsx_pci_runtime_resume()
1841 schedule_delayed_work(&pcr->idle_work, msecs_to_jiffies(200)); in rtsx_pci_runtime_resume()
1843 mutex_unlock(&pcr->pcr_mutex); in rtsx_pci_runtime_resume()
1872 MODULE_DESCRIPTION("Realtek PCI-E Card Reader Driver");