1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* Driver for Realtek PCI-Express card reader
4 * Copyright(c) 2016-2017 Realtek Semiconductor Corp. All rights reserved.
7 * Steven FENG <steven_feng@realsil.com.cn>
8 * Rui FENG <rui_feng@realsil.com.cn>
9 * Wei WANG <wei_wang@realsil.com.cn>
12 #include <linux/module.h>
13 #include <linux/delay.h>
14 #include <linux/rtsx_pci.h>
19 static u8 rts5260_get_ic_version(struct rtsx_pcr *pcr)
23 rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val);
24 return val & IC_VERSION_MASK;
27 static void rts5260_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
29 u8 driving_3v3[6][3] = {
37 u8 driving_1v8[6][3] = {
45 u8 (*driving)[3], drive_sel;
47 if (voltage == OUTPUT_3V3) {
48 driving = driving_3v3;
49 drive_sel = pcr->sd30_drive_sel_3v3;
51 driving = driving_1v8;
52 drive_sel = pcr->sd30_drive_sel_1v8;
55 rtsx_pci_write_register(pcr, SD30_CLK_DRIVE_SEL,
56 0xFF, driving[drive_sel][0]);
58 rtsx_pci_write_register(pcr, SD30_CMD_DRIVE_SEL,
59 0xFF, driving[drive_sel][1]);
61 rtsx_pci_write_register(pcr, SD30_CMD_DRIVE_SEL,
62 0xFF, driving[drive_sel][2]);
65 static void rtsx_base_fetch_vendor_settings(struct rtsx_pcr *pcr)
69 rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, ®);
70 pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
72 if (!rtsx_vendor_setting_valid(reg)) {
73 pcr_dbg(pcr, "skip fetch vendor setting\n");
77 pcr->aspm_en = rtsx_reg_to_aspm(reg);
78 pcr->sd30_drive_sel_1v8 = rtsx_reg_to_sd30_drive_sel_1v8(reg);
79 pcr->card_drive_sel &= 0x3F;
80 pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg);
82 rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, ®);
83 pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
84 pcr->sd30_drive_sel_3v3 = rtsx_reg_to_sd30_drive_sel_3v3(reg);
85 if (rtsx_reg_check_reverse_socket(reg))
86 pcr->flags |= PCR_REVERSE_SOCKET;
89 static void rtsx_base_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
91 /* Set relink_time to 0 */
92 rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, MASK_8_BIT_DEF, 0);
93 rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, MASK_8_BIT_DEF, 0);
94 rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3,
97 if (pm_state == HOST_ENTER_S3)
98 rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3,
99 D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
101 rtsx_pci_write_register(pcr, FPDCTL, ALL_POWER_DOWN, ALL_POWER_DOWN);
104 static int rtsx_base_enable_auto_blink(struct rtsx_pcr *pcr)
106 return rtsx_pci_write_register(pcr, OLT_LED_CTL,
107 LED_SHINE_MASK, LED_SHINE_EN);
110 static int rtsx_base_disable_auto_blink(struct rtsx_pcr *pcr)
112 return rtsx_pci_write_register(pcr, OLT_LED_CTL,
113 LED_SHINE_MASK, LED_SHINE_DISABLE);
116 static int rts5260_turn_on_led(struct rtsx_pcr *pcr)
118 return rtsx_pci_write_register(pcr, RTS5260_REG_GPIO_CTL0,
119 RTS5260_REG_GPIO_MASK, RTS5260_REG_GPIO_ON);
122 static int rts5260_turn_off_led(struct rtsx_pcr *pcr)
124 return rtsx_pci_write_register(pcr, RTS5260_REG_GPIO_CTL0,
125 RTS5260_REG_GPIO_MASK, RTS5260_REG_GPIO_OFF);
128 /* SD Pull Control Enable:
129 * SD_DAT[3:0] ==> pull up
133 * SD_CLK ==> pull down
135 static const u32 rts5260_sd_pull_ctl_enable_tbl[] = {
136 RTSX_REG_PAIR(CARD_PULL_CTL1, 0x66),
137 RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA),
138 RTSX_REG_PAIR(CARD_PULL_CTL3, 0xE9),
139 RTSX_REG_PAIR(CARD_PULL_CTL4, 0xAA),
143 /* SD Pull Control Disable:
144 * SD_DAT[3:0] ==> pull down
146 * SD_WP ==> pull down
147 * SD_CMD ==> pull down
148 * SD_CLK ==> pull down
150 static const u32 rts5260_sd_pull_ctl_disable_tbl[] = {
151 RTSX_REG_PAIR(CARD_PULL_CTL1, 0x66),
152 RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
153 RTSX_REG_PAIR(CARD_PULL_CTL3, 0xD5),
154 RTSX_REG_PAIR(CARD_PULL_CTL4, 0x55),
158 /* MS Pull Control Enable:
160 * others ==> pull down
162 static const u32 rts5260_ms_pull_ctl_enable_tbl[] = {
163 RTSX_REG_PAIR(CARD_PULL_CTL4, 0x55),
164 RTSX_REG_PAIR(CARD_PULL_CTL5, 0x55),
165 RTSX_REG_PAIR(CARD_PULL_CTL6, 0x15),
169 /* MS Pull Control Disable:
171 * others ==> pull down
173 static const u32 rts5260_ms_pull_ctl_disable_tbl[] = {
174 RTSX_REG_PAIR(CARD_PULL_CTL4, 0x55),
175 RTSX_REG_PAIR(CARD_PULL_CTL5, 0x55),
176 RTSX_REG_PAIR(CARD_PULL_CTL6, 0x15),
180 static int sd_set_sample_push_timing_sd30(struct rtsx_pcr *pcr)
182 rtsx_pci_write_register(pcr, SD_CFG1, SD_MODE_SELECT_MASK
183 | SD_ASYNC_FIFO_NOT_RST, SD_30_MODE | SD_ASYNC_FIFO_NOT_RST);
184 rtsx_pci_write_register(pcr, CLK_CTL, CLK_LOW_FREQ, CLK_LOW_FREQ);
185 rtsx_pci_write_register(pcr, CARD_CLK_SOURCE, 0xFF,
186 CRC_VAR_CLK0 | SD30_FIX_CLK | SAMPLE_VAR_CLK1);
187 rtsx_pci_write_register(pcr, CLK_CTL, CLK_LOW_FREQ, 0);
192 static int rts5260_card_power_on(struct rtsx_pcr *pcr, int card)
195 struct rtsx_cr_option *option = &pcr->option;
198 rtsx_pci_enable_ocp(pcr);
201 rtsx_pci_write_register(pcr, LDO_CONFIG2, DV331812_VDD1, DV331812_VDD1);
202 rtsx_pci_write_register(pcr, LDO_VCC_CFG0,
203 RTS5260_DVCC_TUNE_MASK, RTS5260_DVCC_33);
205 rtsx_pci_write_register(pcr, LDO_VCC_CFG1, LDO_POW_SDVDD1_MASK,
208 rtsx_pci_write_register(pcr, LDO_CONFIG2,
209 DV331812_POWERON, DV331812_POWERON);
212 if (pcr->extra_caps & EXTRA_CAPS_SD_SDR50 ||
213 pcr->extra_caps & EXTRA_CAPS_SD_SDR104)
214 sd_set_sample_push_timing_sd30(pcr);
216 /* Initialize SD_CFG1 register */
217 rtsx_pci_write_register(pcr, SD_CFG1, 0xFF,
218 SD_CLK_DIVIDE_128 | SD_20_MODE);
220 rtsx_pci_write_register(pcr, SD_SAMPLE_POINT_CTL,
221 0xFF, SD20_RX_POS_EDGE);
222 rtsx_pci_write_register(pcr, SD_PUSH_POINT_CTL, 0xFF, 0);
223 rtsx_pci_write_register(pcr, CARD_STOP, SD_STOP | SD_CLR_ERR,
224 SD_STOP | SD_CLR_ERR);
226 /* Reset SD_CFG3 register */
227 rtsx_pci_write_register(pcr, SD_CFG3, SD30_CLK_END_EN, 0);
228 rtsx_pci_write_register(pcr, REG_SD_STOP_SDCLK_CFG,
229 SD30_CLK_STOP_CFG_EN | SD30_CLK_STOP_CFG1 |
230 SD30_CLK_STOP_CFG0, 0);
232 rtsx_pci_write_register(pcr, REG_PRE_RW_MODE, EN_INFINITE_MODE, 0);
237 static int rts5260_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
241 rtsx_pci_write_register(pcr, LDO_CONFIG2,
242 DV331812_VDD1, DV331812_VDD1);
243 rtsx_pci_write_register(pcr, LDO_DV18_CFG,
244 DV331812_MASK, DV331812_33);
245 rtsx_pci_write_register(pcr, SD_PAD_CTL, SD_IO_USING_1V8, 0);
248 rtsx_pci_write_register(pcr, LDO_CONFIG2,
249 DV331812_VDD1, DV331812_VDD1);
250 rtsx_pci_write_register(pcr, LDO_DV18_CFG,
251 DV331812_MASK, DV331812_17);
252 rtsx_pci_write_register(pcr, SD_PAD_CTL, SD_IO_USING_1V8,
260 rts5260_fill_driving(pcr, voltage);
265 static void rts5260_stop_cmd(struct rtsx_pcr *pcr)
267 rtsx_pci_writel(pcr, RTSX_HCBCTLR, STOP_CMD);
268 rtsx_pci_writel(pcr, RTSX_HDBCTLR, STOP_DMA);
269 rtsx_pci_write_register(pcr, RTS5260_DMA_RST_CTL_0,
270 RTS5260_DMA_RST | RTS5260_ADMA3_RST,
271 RTS5260_DMA_RST | RTS5260_ADMA3_RST);
272 rtsx_pci_write_register(pcr, RBCTL, RB_FLUSH, RB_FLUSH);
275 static void rts5260_card_before_power_off(struct rtsx_pcr *pcr)
277 rts5260_stop_cmd(pcr);
278 rts5260_switch_output_voltage(pcr, OUTPUT_3V3);
282 static int rts5260_card_power_off(struct rtsx_pcr *pcr, int card)
286 rts5260_card_before_power_off(pcr);
287 err = rtsx_pci_write_register(pcr, LDO_VCC_CFG1,
288 LDO_POW_SDVDD1_MASK, LDO_POW_SDVDD1_OFF);
289 err = rtsx_pci_write_register(pcr, LDO_CONFIG2,
290 DV331812_POWERON, DV331812_POWEROFF);
291 if (pcr->option.ocp_en)
292 rtsx_pci_disable_ocp(pcr);
297 static void rts5260_init_ocp(struct rtsx_pcr *pcr)
299 struct rtsx_cr_option *option = &pcr->option;
301 if (option->ocp_en) {
305 rtsx_pci_write_register(pcr, RTS5260_DVCC_CTRL,
306 RTS5260_DVCC_OCP_THD_MASK,
307 option->sd_800mA_ocp_thd);
309 rtsx_pci_write_register(pcr, RTS5260_DV331812_CFG,
310 RTS5260_DV331812_OCP_THD_MASK,
311 RTS5260_DV331812_OCP_THD_270);
313 mask = SD_OCP_GLITCH_MASK;
314 val = pcr->hw_param.ocp_glitch;
315 rtsx_pci_write_register(pcr, REG_OCPGLITCH, mask, val);
316 rtsx_pci_write_register(pcr, RTS5260_DVCC_CTRL,
317 RTS5260_DVCC_OCP_EN |
318 RTS5260_DVCC_OCP_CL_EN,
319 RTS5260_DVCC_OCP_EN |
320 RTS5260_DVCC_OCP_CL_EN);
322 rtsx_pci_enable_ocp(pcr);
324 rtsx_pci_write_register(pcr, RTS5260_DVCC_CTRL,
325 RTS5260_DVCC_OCP_EN |
326 RTS5260_DVCC_OCP_CL_EN, 0);
330 static void rts5260_enable_ocp(struct rtsx_pcr *pcr)
334 val = SD_OCP_INT_EN | SD_DETECT_EN;
335 rtsx_pci_write_register(pcr, REG_OCPCTL, 0xFF, val);
339 static void rts5260_disable_ocp(struct rtsx_pcr *pcr)
343 mask = SD_OCP_INT_EN | SD_DETECT_EN;
344 rtsx_pci_write_register(pcr, REG_OCPCTL, mask, 0);
349 static int rts5260_get_ocpstat(struct rtsx_pcr *pcr, u8 *val)
351 return rtsx_pci_read_register(pcr, REG_OCPSTAT, val);
354 static int rts5260_get_ocpstat2(struct rtsx_pcr *pcr, u8 *val)
356 return rtsx_pci_read_register(pcr, REG_DV3318_OCPSTAT, val);
359 static void rts5260_clear_ocpstat(struct rtsx_pcr *pcr)
364 mask = SD_OCP_INT_CLR | SD_OC_CLR;
365 val = SD_OCP_INT_CLR | SD_OC_CLR;
367 rtsx_pci_write_register(pcr, REG_OCPCTL, mask, val);
368 rtsx_pci_write_register(pcr, REG_DV3318_OCPCTL,
369 DV3318_OCP_INT_CLR | DV3318_OCP_CLR,
370 DV3318_OCP_INT_CLR | DV3318_OCP_CLR);
372 rtsx_pci_write_register(pcr, REG_OCPCTL, mask, 0);
373 rtsx_pci_write_register(pcr, REG_DV3318_OCPCTL,
374 DV3318_OCP_INT_CLR | DV3318_OCP_CLR, 0);
377 static void rts5260_process_ocp(struct rtsx_pcr *pcr)
379 if (!pcr->option.ocp_en)
382 rtsx_pci_get_ocpstat(pcr, &pcr->ocp_stat);
383 rts5260_get_ocpstat2(pcr, &pcr->ocp_stat2);
385 if ((pcr->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) ||
386 (pcr->ocp_stat2 & (DV3318_OCP_NOW | DV3318_OCP_EVER))) {
387 rtsx_pci_card_power_off(pcr, RTSX_SD_CARD);
388 rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, 0);
389 rtsx_pci_clear_ocpstat(pcr);
396 static int rts5260_init_hw(struct rtsx_pcr *pcr)
400 rtsx_pci_init_cmd(pcr);
402 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, L1SUB_CONFIG1,
403 AUX_CLK_ACTIVE_SEL_MASK, MAC_CKSW_DONE);
404 /* Rest L1SUB Config */
405 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, L1SUB_CONFIG3, 0xFF, 0x00);
406 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CLK_FORCE_CTL,
407 CLK_PM_EN, CLK_PM_EN);
408 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWD_SUSPEND_EN, 0xFF, 0xFF);
409 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
410 PWR_GATE_EN, PWR_GATE_EN);
411 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, REG_VREF,
412 PWD_SUSPND_EN, PWD_SUSPND_EN);
413 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, RBCTL,
414 U_AUTO_DMA_EN_MASK, U_AUTO_DMA_DISABLE);
416 if (pcr->flags & PCR_REVERSE_SOCKET)
417 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB0, 0xB0);
419 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB0, 0x80);
421 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, OBFF_CFG,
422 OBFF_EN_MASK, OBFF_DISABLE);
424 err = rtsx_pci_send_cmd(pcr, CMD_TIMEOUT_DEF);
428 rtsx_pci_init_ocp(pcr);
433 static void rts5260_pwr_saving_setting(struct rtsx_pcr *pcr)
435 int lss_l1_1, lss_l1_2;
437 lss_l1_1 = rtsx_check_dev_flag(pcr, ASPM_L1_1_EN)
438 | rtsx_check_dev_flag(pcr, PM_L1_1_EN);
439 lss_l1_2 = rtsx_check_dev_flag(pcr, ASPM_L1_2_EN)
440 | rtsx_check_dev_flag(pcr, PM_L1_2_EN);
442 rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, 0xFF, 0);
444 pcr_dbg(pcr, "Set parameters for L1.2.");
445 rtsx_pci_write_register(pcr, PWR_GLOBAL_CTRL,
447 rtsx_pci_write_register(pcr, RTS5260_DVCC_CTRL,
448 RTS5260_DVCC_OCP_EN |
449 RTS5260_DVCC_OCP_CL_EN,
450 RTS5260_DVCC_OCP_EN |
451 RTS5260_DVCC_OCP_CL_EN);
453 rtsx_pci_write_register(pcr, PWR_FE_CTL,
454 0xFF, PCIE_L1_2_PD_FE_EN);
455 } else if (lss_l1_1) {
456 pcr_dbg(pcr, "Set parameters for L1.1.");
457 rtsx_pci_write_register(pcr, PWR_GLOBAL_CTRL,
459 rtsx_pci_write_register(pcr, PWR_FE_CTL,
460 0xFF, PCIE_L1_1_PD_FE_EN);
462 pcr_dbg(pcr, "Set parameters for L1.");
463 rtsx_pci_write_register(pcr, PWR_GLOBAL_CTRL,
465 rtsx_pci_write_register(pcr, PWR_FE_CTL,
466 0xFF, PCIE_L1_0_PD_FE_EN);
469 rtsx_pci_write_register(pcr, CFG_L1_0_PCIE_DPHY_RET_VALUE,
470 0xFF, CFG_L1_0_RET_VALUE_DEFAULT);
471 rtsx_pci_write_register(pcr, CFG_L1_0_PCIE_MAC_RET_VALUE,
472 0xFF, CFG_L1_0_RET_VALUE_DEFAULT);
473 rtsx_pci_write_register(pcr, CFG_L1_0_CRC_SD30_RET_VALUE,
474 0xFF, CFG_L1_0_RET_VALUE_DEFAULT);
475 rtsx_pci_write_register(pcr, CFG_L1_0_CRC_SD40_RET_VALUE,
476 0xFF, CFG_L1_0_RET_VALUE_DEFAULT);
477 rtsx_pci_write_register(pcr, CFG_L1_0_SYS_RET_VALUE,
478 0xFF, CFG_L1_0_RET_VALUE_DEFAULT);
480 rtsx_pci_write_register(pcr, CFG_PCIE_APHY_OFF_0,
481 0xFF, CFG_PCIE_APHY_OFF_0_DEFAULT);
482 rtsx_pci_write_register(pcr, CFG_PCIE_APHY_OFF_1,
483 0xFF, CFG_PCIE_APHY_OFF_1_DEFAULT);
484 rtsx_pci_write_register(pcr, CFG_PCIE_APHY_OFF_2,
485 0xFF, CFG_PCIE_APHY_OFF_2_DEFAULT);
486 rtsx_pci_write_register(pcr, CFG_PCIE_APHY_OFF_3,
487 0xFF, CFG_PCIE_APHY_OFF_3_DEFAULT);
489 rtsx_pci_write_register(pcr, PWC_CDR, 0xFF, PWC_CDR_DEFAULT);
491 rtsx_pci_write_register(pcr, CFG_LP_FPWM_VALUE,
492 0xFF, CFG_LP_FPWM_VALUE_DEFAULT);
493 /*No Power Saving WA*/
494 rtsx_pci_write_register(pcr, CFG_L1_0_CRC_MISC_RET_VALUE,
495 0xFF, CFG_L1_0_CRC_MISC_RET_VALUE_DEFAULT);
498 static void rts5260_init_from_cfg(struct rtsx_pcr *pcr)
500 struct rtsx_cr_option *option = &pcr->option;
503 rtsx_pci_read_config_dword(pcr, PCR_ASPM_SETTING_5260, &lval);
505 if (lval & ASPM_L1_1_EN_MASK)
506 rtsx_set_dev_flag(pcr, ASPM_L1_1_EN);
508 if (lval & ASPM_L1_2_EN_MASK)
509 rtsx_set_dev_flag(pcr, ASPM_L1_2_EN);
511 if (lval & PM_L1_1_EN_MASK)
512 rtsx_set_dev_flag(pcr, PM_L1_1_EN);
514 if (lval & PM_L1_2_EN_MASK)
515 rtsx_set_dev_flag(pcr, PM_L1_2_EN);
517 rts5260_pwr_saving_setting(pcr);
519 if (option->ltr_en) {
522 pcie_capability_read_word(pcr->pci, PCI_EXP_DEVCTL2, &val);
523 if (val & PCI_EXP_DEVCTL2_LTR_EN) {
524 option->ltr_enabled = true;
525 option->ltr_active = true;
526 rtsx_set_ltr_latency(pcr, option->ltr_active_latency);
528 option->ltr_enabled = false;
532 if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN
533 | PM_L1_1_EN | PM_L1_2_EN))
534 option->force_clkreq_0 = false;
536 option->force_clkreq_0 = true;
539 static int rts5260_extra_init_hw(struct rtsx_pcr *pcr)
541 struct rtsx_cr_option *option = &pcr->option;
543 /* Set mcu_cnt to 7 to ensure data can be sampled properly */
544 rtsx_pci_write_register(pcr, 0xFC03, 0x7F, 0x07);
545 rtsx_pci_write_register(pcr, SSC_DIV_N_0, 0xFF, 0x5D);
547 rts5260_init_from_cfg(pcr);
550 rtsx_pci_write_register(pcr, RTS5260_AUTOLOAD_CFG4,
551 0xFF, RTS5260_MIMO_DISABLE);
552 /*Modify SDVCC Tune Default Parameters!*/
553 rtsx_pci_write_register(pcr, LDO_VCC_CFG0,
554 RTS5260_DVCC_TUNE_MASK, RTS5260_DVCC_33);
556 rtsx_pci_write_register(pcr, PCLK_CTL, PCLK_MODE_SEL, PCLK_MODE_SEL);
558 rts5260_init_hw(pcr);
561 * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced
562 * to drive low, and we forcibly request clock.
564 if (option->force_clkreq_0)
565 rtsx_pci_write_register(pcr, PETXCFG,
566 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
568 rtsx_pci_write_register(pcr, PETXCFG,
569 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
574 static void rts5260_set_aspm(struct rtsx_pcr *pcr, bool enable)
576 struct rtsx_cr_option *option = &pcr->option;
579 if (pcr->aspm_enabled == enable)
582 if (option->dev_aspm_mode == DEV_ASPM_DYNAMIC) {
585 rtsx_pci_update_cfg_byte(pcr, pcr->pcie_cap + PCI_EXP_LNKCTL,
587 } else if (option->dev_aspm_mode == DEV_ASPM_BACKDOOR) {
588 u8 mask = FORCE_ASPM_VAL_MASK | FORCE_ASPM_CTL0;
591 val = FORCE_ASPM_CTL0;
592 rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, mask, val);
595 pcr->aspm_enabled = enable;
598 static void rts5260_set_l1off_cfg_sub_d0(struct rtsx_pcr *pcr, int active)
600 struct rtsx_cr_option *option = &pcr->option;
601 u32 interrupt = rtsx_pci_readl(pcr, RTSX_BIPR);
602 int card_exist = (interrupt & SD_EXIST) | (interrupt & MS_EXIST);
603 int aspm_L1_1, aspm_L1_2;
606 aspm_L1_1 = rtsx_check_dev_flag(pcr, ASPM_L1_1_EN);
607 aspm_L1_2 = rtsx_check_dev_flag(pcr, ASPM_L1_2_EN);
610 /* run, latency: 60us */
612 val = option->ltr_l1off_snooze_sspwrgate;
614 /* l1off, latency: 300us */
616 val = option->ltr_l1off_sspwrgate;
619 if (aspm_L1_1 || aspm_L1_2) {
620 if (rtsx_check_dev_flag(pcr,
621 LTR_L1SS_PWR_GATE_CHECK_CARD_EN)) {
623 val &= ~L1OFF_MBIAS2_EN_5250;
625 val |= L1OFF_MBIAS2_EN_5250;
628 rtsx_set_l1off_sub(pcr, val);
631 static const struct pcr_ops rts5260_pcr_ops = {
632 .fetch_vendor_settings = rtsx_base_fetch_vendor_settings,
633 .turn_on_led = rts5260_turn_on_led,
634 .turn_off_led = rts5260_turn_off_led,
635 .extra_init_hw = rts5260_extra_init_hw,
636 .enable_auto_blink = rtsx_base_enable_auto_blink,
637 .disable_auto_blink = rtsx_base_disable_auto_blink,
638 .card_power_on = rts5260_card_power_on,
639 .card_power_off = rts5260_card_power_off,
640 .switch_output_voltage = rts5260_switch_output_voltage,
641 .force_power_down = rtsx_base_force_power_down,
642 .stop_cmd = rts5260_stop_cmd,
643 .set_aspm = rts5260_set_aspm,
644 .set_l1off_cfg_sub_d0 = rts5260_set_l1off_cfg_sub_d0,
645 .enable_ocp = rts5260_enable_ocp,
646 .disable_ocp = rts5260_disable_ocp,
647 .init_ocp = rts5260_init_ocp,
648 .process_ocp = rts5260_process_ocp,
649 .get_ocpstat = rts5260_get_ocpstat,
650 .clear_ocpstat = rts5260_clear_ocpstat,
653 void rts5260_init_params(struct rtsx_pcr *pcr)
655 struct rtsx_cr_option *option = &pcr->option;
656 struct rtsx_hw_param *hw_param = &pcr->hw_param;
658 pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | EXTRA_CAPS_SD_SDR104;
662 pcr->card_drive_sel = RTSX_CARD_DRIVE_DEFAULT;
663 pcr->sd30_drive_sel_1v8 = CFG_DRIVER_TYPE_B;
664 pcr->sd30_drive_sel_3v3 = CFG_DRIVER_TYPE_B;
665 pcr->aspm_en = ASPM_L1_EN;
666 pcr->tx_initial_phase = SET_CLOCK_PHASE(1, 29, 16);
667 pcr->rx_initial_phase = SET_CLOCK_PHASE(24, 6, 5);
669 pcr->ic_version = rts5260_get_ic_version(pcr);
670 pcr->sd_pull_ctl_enable_tbl = rts5260_sd_pull_ctl_enable_tbl;
671 pcr->sd_pull_ctl_disable_tbl = rts5260_sd_pull_ctl_disable_tbl;
672 pcr->ms_pull_ctl_enable_tbl = rts5260_ms_pull_ctl_enable_tbl;
673 pcr->ms_pull_ctl_disable_tbl = rts5260_ms_pull_ctl_disable_tbl;
675 pcr->reg_pm_ctrl3 = RTS524A_PM_CTRL3;
677 pcr->ops = &rts5260_pcr_ops;
679 option->dev_flags = (LTR_L1SS_PWR_GATE_CHECK_CARD_EN
680 | LTR_L1SS_PWR_GATE_EN);
681 option->ltr_en = true;
683 /* init latency of active, idle, L1OFF to 60us, 300us, 3ms */
684 option->ltr_active_latency = LTR_ACTIVE_LATENCY_DEF;
685 option->ltr_idle_latency = LTR_IDLE_LATENCY_DEF;
686 option->ltr_l1off_latency = LTR_L1OFF_LATENCY_DEF;
687 option->dev_aspm_mode = DEV_ASPM_DYNAMIC;
688 option->l1_snooze_delay = L1_SNOOZE_DELAY_DEF;
689 option->ltr_l1off_sspwrgate = LTR_L1OFF_SSPWRGATE_5250_DEF;
690 option->ltr_l1off_snooze_sspwrgate =
691 LTR_L1OFF_SNOOZE_SSPWRGATE_5250_DEF;
695 hw_param->interrupt_en |= SD_OC_INT_EN;
696 hw_param->ocp_glitch = SD_OCP_GLITCH_100U | SDVIO_OCP_GLITCH_800U;
697 option->sd_400mA_ocp_thd = RTS5260_DVCC_OCP_THD_550;
698 option->sd_800mA_ocp_thd = RTS5260_DVCC_OCP_THD_970;