diff options
Diffstat (limited to 'drivers/mfd/rts5209.c')
| -rw-r--r-- | drivers/mfd/rts5209.c | 63 |
1 files changed, 46 insertions, 17 deletions
diff --git a/drivers/mfd/rts5209.c b/drivers/mfd/rts5209.c index ec78d9f..cb04174 100644 --- a/drivers/mfd/rts5209.c +++ b/drivers/mfd/rts5209.c @@ -1,6 +1,6 @@ /* Driver for Realtek PCI-Express card reader * - * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. + * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -17,7 +17,6 @@ * * Author: * Wei WANG <wei_wang@realsil.com.cn> - * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China */ #include <linux/module.h> @@ -34,19 +33,34 @@ static u8 rts5209_get_ic_version(struct rtsx_pcr *pcr) return val & 0x0F; } -static void rts5209_init_vendor_cfg(struct rtsx_pcr *pcr) +static void rts5209_fetch_vendor_settings(struct rtsx_pcr *pcr) { - u32 val; + u32 reg; - rtsx_pci_read_config_dword(pcr, 0x724, &val); - dev_dbg(&(pcr->pci->dev), "Cfg 0x724: 0x%x\n", val); + rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, ®); + dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg); - if (!(val & 0x80)) { - if (val & 0x08) - pcr->ms_pmos = false; - else - pcr->ms_pmos = true; + if (rts5209_vendor_setting1_valid(reg)) { + if (rts5209_reg_check_ms_pmos(reg)) + pcr->flags |= PCR_MS_PMOS; + pcr->aspm_en = rts5209_reg_to_aspm(reg); } + + rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, ®); + dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg); + + if (rts5209_vendor_setting2_valid(reg)) { + pcr->sd30_drive_sel_1v8 = + rts5209_reg_to_sd30_drive_sel_1v8(reg); + pcr->sd30_drive_sel_3v3 = + rts5209_reg_to_sd30_drive_sel_3v3(reg); + pcr->card_drive_sel = rts5209_reg_to_card_drive_sel(reg); + } +} + +static void rts5209_force_power_down(struct rtsx_pcr *pcr, u8 pm_state) +{ + rtsx_pci_write_register(pcr, FPDCTL, 0x07, 0x07); } static int rts5209_extra_init_hw(struct rtsx_pcr *pcr) @@ -55,8 +69,15 @@ static int rts5209_extra_init_hw(struct rtsx_pcr *pcr) /* Turn off LED */ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_GPIO, 0xFF, 0x03); + /* 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); /* Configure GPIO as output */ rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_GPIO_DIR, 0xFF, 0x03); + /* 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); } @@ -95,7 +116,7 @@ static int rts5209_card_power_on(struct rtsx_pcr *pcr, int card) partial_pwr_on = SD_PARTIAL_POWER_ON; pwr_on = SD_POWER_ON; - if (pcr->ms_pmos && (card == RTSX_MS_CARD)) { + if ((pcr->flags & PCR_MS_PMOS) && (card == RTSX_MS_CARD)) { pwr_mask = MS_POWER_MASK; partial_pwr_on = MS_PARTIAL_POWER_ON; pwr_on = MS_POWER_ON; @@ -131,7 +152,7 @@ static int rts5209_card_power_off(struct rtsx_pcr *pcr, int card) pwr_mask = SD_POWER_MASK; pwr_off = SD_POWER_OFF; - if (pcr->ms_pmos && (card == RTSX_MS_CARD)) { + if ((pcr->flags & PCR_MS_PMOS) && (card == RTSX_MS_CARD)) { pwr_mask = MS_POWER_MASK; pwr_off = MS_POWER_OFF; } @@ -140,7 +161,7 @@ static int rts5209_card_power_off(struct rtsx_pcr *pcr, int card) 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); + LDO3318_PWR_MASK, 0x06); return rtsx_pci_send_cmd(pcr, 100); } @@ -150,7 +171,7 @@ static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) if (voltage == OUTPUT_3V3) { err = rtsx_pci_write_register(pcr, - SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_D); + SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_3v3); if (err < 0) return err; err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24); @@ -158,7 +179,7 @@ static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) return err; } else if (voltage == OUTPUT_1V8) { err = rtsx_pci_write_register(pcr, - SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_B); + SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_1v8); if (err < 0) return err; err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24); @@ -172,6 +193,7 @@ static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) } static const struct pcr_ops rts5209_pcr_ops = { + .fetch_vendor_settings = rts5209_fetch_vendor_settings, .extra_init_hw = rts5209_extra_init_hw, .optimize_phy = rts5209_optimize_phy, .turn_on_led = rts5209_turn_on_led, @@ -183,6 +205,7 @@ static const struct pcr_ops rts5209_pcr_ops = { .switch_output_voltage = rts5209_switch_output_voltage, .cd_deglitch = NULL, .conv_clk_and_div_n = NULL, + .force_power_down = rts5209_force_power_down, }; /* SD Pull Control Enable: @@ -242,7 +265,13 @@ void rts5209_init_params(struct rtsx_pcr *pcr) pcr->num_slots = 2; pcr->ops = &rts5209_pcr_ops; - rts5209_init_vendor_cfg(pcr); + pcr->flags = 0; + pcr->card_drive_sel = RTS5209_CARD_DRIVE_DEFAULT; + pcr->sd30_drive_sel_1v8 = DRIVER_TYPE_B; + pcr->sd30_drive_sel_3v3 = DRIVER_TYPE_D; + pcr->aspm_en = ASPM_L1_EN; + pcr->tx_initial_phase = SET_CLOCK_PHASE(27, 27, 16); + pcr->rx_initial_phase = SET_CLOCK_PHASE(24, 6, 5); pcr->ic_version = rts5209_get_ic_version(pcr); pcr->sd_pull_ctl_enable_tbl = rts5209_sd_pull_ctl_enable_tbl; |