misc: rtsx: Move Realtek Card Reader Driver to misc

Because Realtek card reader drivers are pcie and usb drivers,
and they bridge mmc subsystem and memstick subsystem, they are
not mfd drivers. Greg and Lee Jones had a discussion about
where to put the drivers, the result is that misc is a good
place for them, so I move all files to misc. If I don't move
them to a right place, I can't add any patch for this driver.

Signed-off-by: Rui Feng <rui_feng@realsil.com.cn>
Reviewed-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: Perry Yuan <perry_yuan@dell.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

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;
-}