summaryrefslogtreecommitdiffstats
path: root/drivers/mfd/rts5229.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mfd/rts5229.c')
-rw-r--r--drivers/mfd/rts5229.c273
1 files changed, 0 insertions, 273 deletions
diff --git a/drivers/mfd/rts5229.c b/drivers/mfd/rts5229.c
deleted file mode 100644
index 9ed9dc84eac8..000000000000
--- a/drivers/mfd/rts5229.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/* Driver for Realtek PCI-Express card reader
- *
- * 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
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- * Author:
- * Wei WANG <wei_wang@realsil.com.cn>
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/mfd/rtsx_pci.h>
-
-#include "rtsx_pcr.h"
-
-static u8 rts5229_get_ic_version(struct rtsx_pcr *pcr)
-{
- u8 val;
-
- rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val);
- return val & 0x0F;
-}
-
-static void rts5229_fetch_vendor_settings(struct rtsx_pcr *pcr)
-{
- u32 reg;
-
- rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
- pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
-
- if (!rtsx_vendor_setting_valid(reg))
- return;
-
- pcr->aspm_en = rtsx_reg_to_aspm(reg);
- pcr->sd30_drive_sel_1v8 =
- map_sd_drive(rtsx_reg_to_sd30_drive_sel_1v8(reg));
- pcr->card_drive_sel &= 0x3F;
- pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg);
-
- rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, &reg);
- pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
- pcr->sd30_drive_sel_3v3 =
- map_sd_drive(rtsx_reg_to_sd30_drive_sel_3v3(reg));
-}
-
-static void rts5229_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
-{
- rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
-}
-
-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 rts5229_optimize_phy(struct rtsx_pcr *pcr)
-{
- /* Optimize RX sensitivity */
- return rtsx_pci_write_phy_register(pcr, 0x00, 0xBA42);
-}
-
-static int rts5229_turn_on_led(struct rtsx_pcr *pcr)
-{
- return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x02);
-}
-
-static int rts5229_turn_off_led(struct rtsx_pcr *pcr)
-{
- return rtsx_pci_write_register(pcr, GPIO_CTL, 0x02, 0x00);
-}
-
-static int rts5229_enable_auto_blink(struct rtsx_pcr *pcr)
-{
- return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x08);
-}
-
-static int rts5229_disable_auto_blink(struct rtsx_pcr *pcr)
-{
- return rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x08, 0x00);
-}
-
-static int rts5229_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);
- return rtsx_pci_send_cmd(pcr, 100);
-}
-
-static int rts5229_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 | PMOS_STRG_MASK,
- SD_POWER_OFF | PMOS_STRG_400mA);
- rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL,
- LDO3318_PWR_MASK, 0x00);
- return rtsx_pci_send_cmd(pcr, 100);
-}
-
-static int rts5229_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
-{
- int err;
-
- if (voltage == OUTPUT_3V3) {
- err = rtsx_pci_write_register(pcr,
- SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_3v3);
- if (err < 0)
- return err;
- err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24);
- if (err < 0)
- return err;
- } else if (voltage == OUTPUT_1V8) {
- err = rtsx_pci_write_register(pcr,
- SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_1v8);
- if (err < 0)
- return err;
- err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24);
- if (err < 0)
- return err;
- } else {
- return -EINVAL;
- }
-
- return 0;
-}
-
-static const struct pcr_ops rts5229_pcr_ops = {
- .fetch_vendor_settings = rts5229_fetch_vendor_settings,
- .extra_init_hw = rts5229_extra_init_hw,
- .optimize_phy = rts5229_optimize_phy,
- .turn_on_led = rts5229_turn_on_led,
- .turn_off_led = rts5229_turn_off_led,
- .enable_auto_blink = rts5229_enable_auto_blink,
- .disable_auto_blink = rts5229_disable_auto_blink,
- .card_power_on = rts5229_card_power_on,
- .card_power_off = rts5229_card_power_off,
- .switch_output_voltage = rts5229_switch_output_voltage,
- .cd_deglitch = NULL,
- .conv_clk_and_div_n = NULL,
- .force_power_down = rts5229_force_power_down,
-};
-
-/* SD Pull Control Enable:
- * SD_DAT[3:0] ==> pull up
- * SD_CD ==> pull up
- * SD_WP ==> pull up
- * SD_CMD ==> pull up
- * SD_CLK ==> pull down
- */
-static const u32 rts5229_sd_pull_ctl_enable_tbl1[] = {
- RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA),
- RTSX_REG_PAIR(CARD_PULL_CTL3, 0xE9),
- 0,
-};
-
-/* For RTS5229 version C */
-static const u32 rts5229_sd_pull_ctl_enable_tbl2[] = {
- RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA),
- RTSX_REG_PAIR(CARD_PULL_CTL3, 0xD9),
- 0,
-};
-
-/* SD Pull Control Disable:
- * SD_DAT[3:0] ==> pull down
- * SD_CD ==> pull up
- * SD_WP ==> pull down
- * SD_CMD ==> pull down
- * SD_CLK ==> pull down
- */
-static const u32 rts5229_sd_pull_ctl_disable_tbl1[] = {
- RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
- RTSX_REG_PAIR(CARD_PULL_CTL3, 0xD5),
- 0,
-};
-
-/* For RTS5229 version C */
-static const u32 rts5229_sd_pull_ctl_disable_tbl2[] = {
- RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
- RTSX_REG_PAIR(CARD_PULL_CTL3, 0xE5),
- 0,
-};
-
-/* MS Pull Control Enable:
- * MS CD ==> pull up
- * others ==> pull down
- */
-static const u32 rts5229_ms_pull_ctl_enable_tbl[] = {
- RTSX_REG_PAIR(CARD_PULL_CTL5, 0x55),
- RTSX_REG_PAIR(CARD_PULL_CTL6, 0x15),
- 0,
-};
-
-/* MS Pull Control Disable:
- * MS CD ==> pull up
- * others ==> pull down
- */
-static const u32 rts5229_ms_pull_ctl_disable_tbl[] = {
- RTSX_REG_PAIR(CARD_PULL_CTL5, 0x55),
- RTSX_REG_PAIR(CARD_PULL_CTL6, 0x15),
- 0,
-};
-
-void rts5229_init_params(struct rtsx_pcr *pcr)
-{
- pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | EXTRA_CAPS_SD_SDR104;
- pcr->num_slots = 2;
- pcr->ops = &rts5229_pcr_ops;
-
- pcr->flags = 0;
- pcr->card_drive_sel = RTSX_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, 15);
- pcr->rx_initial_phase = SET_CLOCK_PHASE(30, 6, 6);
-
- pcr->ic_version = rts5229_get_ic_version(pcr);
- if (pcr->ic_version == IC_VER_C) {
- pcr->sd_pull_ctl_enable_tbl = rts5229_sd_pull_ctl_enable_tbl2;
- pcr->sd_pull_ctl_disable_tbl = rts5229_sd_pull_ctl_disable_tbl2;
- } else {
- pcr->sd_pull_ctl_enable_tbl = rts5229_sd_pull_ctl_enable_tbl1;
- pcr->sd_pull_ctl_disable_tbl = rts5229_sd_pull_ctl_disable_tbl1;
- }
- pcr->ms_pull_ctl_enable_tbl = rts5229_ms_pull_ctl_enable_tbl;
- pcr->ms_pull_ctl_disable_tbl = rts5229_ms_pull_ctl_disable_tbl;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 13:38:13 +0100