[PATCH V2 2/10] omap: Rename mmc-twl4030 files to hsmmc

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>From a65fae702aa81d4596d6fbefd2ab3c8ea87c244a Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Date: Sun, 17 Jan 2010 02:34:22 +0200
Subject: [PATCH] omap: Rename mmc-twl4030 files to hsmmc

mmc-twl4030.[ch] no longer has any dependency on twl4030
and should be renamed to reflect that.

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
 arch/arm/mach-omap2/Makefile                 |   28 ++--
 arch/arm/mach-omap2/board-2430sdp.c          |    2 +-
 arch/arm/mach-omap2/board-3430sdp.c          |    2 +-
 arch/arm/mach-omap2/board-cm-t35.c           |    2 +-
 arch/arm/mach-omap2/board-igep0020.c         |    2 +-
 arch/arm/mach-omap2/board-ldp.c              |    2 +-
 arch/arm/mach-omap2/board-omap3beagle.c      |    2 +-
 arch/arm/mach-omap2/board-omap3evm.c         |    2 +-
 arch/arm/mach-omap2/board-omap3pandora.c     |    2 +-
 arch/arm/mach-omap2/board-omap3touchbook.c   |    2 +-
 arch/arm/mach-omap2/board-overo.c            |    2 +-
 arch/arm/mach-omap2/board-rx51-peripherals.c |    2 +-
 arch/arm/mach-omap2/board-zoom-peripherals.c |    2 +-
 arch/arm/mach-omap2/hsmmc.c                  |  247 ++++++++++++++++++++++++++
 arch/arm/mach-omap2/hsmmc.h                  |   34 ++++
 arch/arm/mach-omap2/mmc-twl4030.c            |  247 --------------------------
 arch/arm/mach-omap2/mmc-twl4030.h            |   34 ----
 17 files changed, 307 insertions(+), 307 deletions(-)
 create mode 100644 arch/arm/mach-omap2/hsmmc.c
 create mode 100644 arch/arm/mach-omap2/hsmmc.h
 delete mode 100644 arch/arm/mach-omap2/mmc-twl4030.c
 delete mode 100644 arch/arm/mach-omap2/mmc-twl4030.h

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index b32678b..a7e4c5a 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -71,42 +71,42 @@ obj-y					+= $(i2c-omap-m) $(i2c-omap-y)
 obj-$(CONFIG_MACH_OMAP_GENERIC)		+= board-generic.o
 obj-$(CONFIG_MACH_OMAP_H4)		+= board-h4.o
 obj-$(CONFIG_MACH_OMAP_2430SDP)		+= board-2430sdp.o \
-					   mmc-twl4030.o
+					   hsmmc.o
 obj-$(CONFIG_MACH_OMAP_APOLLON)		+= board-apollon.o
 obj-$(CONFIG_MACH_OMAP3_BEAGLE)		+= board-omap3beagle.o \
-					   mmc-twl4030.o
+					   hsmmc.o
 obj-$(CONFIG_MACH_OMAP_LDP)		+= board-ldp.o \
-					   mmc-twl4030.o
+					   hsmmc.o
 obj-$(CONFIG_MACH_OVERO)		+= board-overo.o \
-					   mmc-twl4030.o
+					   hsmmc.o
 obj-$(CONFIG_MACH_OMAP3EVM)		+= board-omap3evm.o \
-					   mmc-twl4030.o
+					   hsmmc.o
 obj-$(CONFIG_MACH_OMAP3_PANDORA)	+= board-omap3pandora.o \
-					   mmc-twl4030.o
+					   hsmmc.o
 obj-$(CONFIG_MACH_OMAP_3430SDP)		+= board-3430sdp.o \
-					   mmc-twl4030.o
+					   hsmmc.o
 obj-$(CONFIG_MACH_NOKIA_N8X0)		+= board-n8x0.o
 obj-$(CONFIG_MACH_NOKIA_RX51)		+= board-rx51.o \
 					   board-rx51-sdram.o \
 					   board-rx51-peripherals.o \
-					   mmc-twl4030.o
+					   hsmmc.o
 obj-$(CONFIG_MACH_OMAP_ZOOM2)		+= board-zoom2.o \
 					   board-zoom-peripherals.o \
-					   mmc-twl4030.o \
+					   hsmmc.o \
 					   board-zoom-debugboard.o
 obj-$(CONFIG_MACH_OMAP_ZOOM3)		+= board-zoom3.o \
 					   board-zoom-peripherals.o \
-					   mmc-twl4030.o \
+					   hsmmc.o \
 					   board-zoom-debugboard.o
 obj-$(CONFIG_MACH_OMAP_3630SDP)		+= board-3630sdp.o \
 					   board-zoom-peripherals.o \
-					   mmc-twl4030.o
+					   hsmmc.o
 obj-$(CONFIG_MACH_CM_T35)		+= board-cm-t35.o \
-					   mmc-twl4030.o
+					   hsmmc.o
 obj-$(CONFIG_MACH_IGEP0020)		+= board-igep0020.o \
-					   mmc-twl4030.o
+					   hsmmc.o
 obj-$(CONFIG_MACH_OMAP3_TOUCHBOOK)	+= board-omap3touchbook.o \
-					   mmc-twl4030.o
+					   hsmmc.o
 obj-$(CONFIG_MACH_OMAP_4430SDP)		+= board-4430sdp.o
 
 obj-$(CONFIG_MACH_OMAP3517EVM)     += board-am3517evm.o
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 31042ee..e42848d 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -38,7 +38,7 @@
 #include <plat/usb.h>
 #include <plat/gpmc-smc91x.h>
 
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 #define SDP2430_CS0_BASE	0x04000000
 #define SECONDARY_LCD_GPIO		147
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index c90b0d0..a0cf00f 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -43,7 +43,7 @@
 
 #include "mux.h"
 #include "sdram-qimonda-hyb18m512160af-6.h"
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 #define CONFIG_DISABLE_HFCLK 1
 
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index 2626a9f..214a2a8 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -46,7 +46,7 @@
 
 #include "mux.h"
 #include "sdram-micron-mt46h32m32lf-6.h"
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 #define CM_T35_GPIO_PENDOWN	57
 
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 117b8fd..9db061f 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -30,7 +30,7 @@
 #include <plat/usb.h>
 
 #include "mux.h"
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 #define IGEP2_SMSC911X_CS       5
 #define IGEP2_SMSC911X_GPIO     176
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 995d4a2..635f54d 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -44,7 +44,7 @@
 #include <plat/usb.h>
 
 #include "mux.h"
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 #define LDP_SMSC911X_CS		1
 #define LDP_SMSC911X_GPIO	152
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 231cb4e..aaa9760 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -45,7 +45,7 @@
 #include <plat/timer-gp.h>
 
 #include "mux.h"
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 #define GPMC_CS0_BASE  0x60
 #define GPMC_CS_SIZE   0x30
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 34de178..2dd52ad 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -44,7 +44,7 @@
 
 #include "mux.h"
 #include "sdram-micron-mt46h32m32lf-6.h"
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 #define OMAP3_EVM_TS_GPIO	175
 #define OMAP3_EVM_EHCI_VBUS	22
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index ef17cf1..3a11506 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -43,7 +43,7 @@
 
 #include "mux.h"
 #include "sdram-micron-mt46h32m32lf-6.h"
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 #define OMAP3_PANDORA_TS_GPIO		94
 
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
index fe3d22c..8efef51 100644
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -50,7 +50,7 @@
 #include <plat/timer-gp.h>
 
 #include "mux.h"
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 #include <asm/setup.h>
 
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index d192dd9..8a9d439 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -48,7 +48,7 @@
 
 #include "mux.h"
 #include "sdram-micron-mt46h32m32lf-6.h"
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 #define OVERO_GPIO_BT_XGATE	15
 #define OVERO_GPIO_W2W_NRESET	16
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index acafdbc..b2de206 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -34,7 +34,7 @@
 #include <plat/gpmc-smc91x.h>
 
 #include "mux.h"
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 #define SYSTEM_REV_B_USES_VAUX3	0x1699
 #define SYSTEM_REV_S_USES_VAUX3 0x8
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index 5c8474c..671dd06 100755
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -25,7 +25,7 @@
 #include <plat/usb.h>
 
 #include "mux.h"
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 /* Zoom2 has Qwerty keyboard*/
 static int board_keymap[] = {
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
new file mode 100644
index 0000000..b88c538
--- /dev/null
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -0,0 +1,247 @@
+/*
+ * linux/arch/arm/mach-omap2/hsmmc.c
+ *
+ * Copyright (C) 2007-2008 Texas Instruments
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <mach/hardware.h>
+#include <plat/control.h>
+#include <plat/mmc.h>
+
+#include "hsmmc.h"
+
+#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
+
+static u16 control_pbias_offset;
+static u16 control_devconf1_offset;
+
+#define HSMMC_NAME_LEN	9
+
+static struct twl_mmc_controller {
+	char				name[HSMMC_NAME_LEN + 1];
+} hsmmc[OMAP34XX_NR_MMC];
+
+#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
+
+static int twl4030_mmc_get_context_loss(struct device *dev)
+{
+	/* FIXME: PM DPS not implemented yet */
+	return 0;
+}
+
+#else
+#define twl4030_mmc_get_context_loss NULL
+#endif
+
+static void hsmmc1_before_set_reg(struct device *dev, int slot,
+				  int power_on, int vdd)
+{
+	u32 reg, prog_io;
+	struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+	/*
+	 * Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the
+	 * card with Vcc regulator (from twl4030 or whatever).  OMAP has both
+	 * 1.8V and 3.0V modes, controlled by the PBIAS register.
+	 *
+	 * In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which
+	 * is most naturally TWL VSIM; those pins also use PBIAS.
+	 *
+	 * FIXME handle VMMC1A as needed ...
+	 */
+	if (power_on) {
+		if (cpu_is_omap2430()) {
+			reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1);
+			if ((1 << vdd) >= MMC_VDD_30_31)
+				reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE;
+			else
+				reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE;
+			omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1);
+		}
+
+		if (mmc->slots[0].internal_clock) {
+			reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+			reg |= OMAP2_MMCSDIO1ADPCLKISEL;
+			omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0);
+		}
+
+		reg = omap_ctrl_readl(control_pbias_offset);
+		if (cpu_is_omap3630()) {
+			/* Set MMC I/O to 52Mhz */
+			prog_io = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1);
+			prog_io |= OMAP3630_PRG_SDMMC1_SPEEDCTRL;
+			omap_ctrl_writel(prog_io, OMAP343X_CONTROL_PROG_IO1);
+		} else {
+			reg |= OMAP2_PBIASSPEEDCTRL0;
+		}
+		reg &= ~OMAP2_PBIASLITEPWRDNZ0;
+		omap_ctrl_writel(reg, control_pbias_offset);
+	} else {
+		reg = omap_ctrl_readl(control_pbias_offset);
+		reg &= ~OMAP2_PBIASLITEPWRDNZ0;
+		omap_ctrl_writel(reg, control_pbias_offset);
+	}
+}
+
+static void hsmmc1_after_set_reg(struct device *dev, int slot,
+				 int power_on, int vdd)
+{
+	u32 reg;
+
+	/* 100ms delay required for PBIAS configuration */
+	msleep(100);
+
+	if (power_on) {
+		reg = omap_ctrl_readl(control_pbias_offset);
+		reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0);
+		if ((1 << vdd) <= MMC_VDD_165_195)
+			reg &= ~OMAP2_PBIASLITEVMODE0;
+		else
+			reg |= OMAP2_PBIASLITEVMODE0;
+		omap_ctrl_writel(reg, control_pbias_offset);
+	} else {
+		reg = omap_ctrl_readl(control_pbias_offset);
+		reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 |
+			OMAP2_PBIASLITEVMODE0);
+		omap_ctrl_writel(reg, control_pbias_offset);
+	}
+}
+
+static void hsmmc23_before_set_reg(struct device *dev, int slot,
+				   int power_on, int vdd)
+{
+	struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+	if (power_on) {
+		/* Only MMC2 supports a CLKIN */
+		if (mmc->slots[0].internal_clock) {
+			u32 reg;
+
+			reg = omap_ctrl_readl(control_devconf1_offset);
+			reg |= OMAP2_MMCSDIO2ADPCLKISEL;
+			omap_ctrl_writel(reg, control_devconf1_offset);
+		}
+	}
+}
+
+static struct omap_mmc_platform_data *hsmmc_data[OMAP34XX_NR_MMC] __initdata;
+
+void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers)
+{
+	struct twl4030_hsmmc_info *c;
+	int nr_hsmmc = ARRAY_SIZE(hsmmc_data);
+
+	if (cpu_is_omap2430()) {
+		control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
+		control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1;
+	} else {
+		control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
+		control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1;
+	}
+
+	for (c = controllers; c->mmc; c++) {
+		struct twl_mmc_controller *twl = hsmmc + c->mmc - 1;
+		struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1];
+
+		if (!c->mmc || c->mmc > nr_hsmmc) {
+			pr_debug("MMC%d: no such controller\n", c->mmc);
+			continue;
+		}
+		if (mmc) {
+			pr_debug("MMC%d: already configured\n", c->mmc);
+			continue;
+		}
+
+		mmc = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL);
+		if (!mmc) {
+			pr_err("Cannot allocate memory for mmc device!\n");
+			return;
+		}
+
+		if (c->name)
+			strncpy(twl->name, c->name, HSMMC_NAME_LEN);
+		else
+			snprintf(twl->name, ARRAY_SIZE(twl->name),
+				"mmc%islot%i", c->mmc, 1);
+		mmc->slots[0].name = twl->name;
+		mmc->nr_slots = 1;
+		mmc->slots[0].wires = c->wires;
+		mmc->slots[0].internal_clock = !c->ext_clock;
+		mmc->dma_mask = 0xffffffff;
+
+		mmc->get_context_loss_count =
+				twl4030_mmc_get_context_loss;
+
+		mmc->slots[0].switch_pin = c->gpio_cd;
+		mmc->slots[0].gpio_wp = c->gpio_wp;
+
+		if (c->cover_only)
+			mmc->slots[0].cover = 1;
+
+		if (c->nonremovable)
+			mmc->slots[0].nonremovable = 1;
+
+		if (c->power_saving)
+			mmc->slots[0].power_saving = 1;
+
+		/* NOTE:  MMC slots should have a Vcc regulator set up.
+		 * This may be from a TWL4030-family chip, another
+		 * controllable regulator, or a fixed supply.
+		 *
+		 * temporary HACK: ocr_mask instead of fixed supply
+		 */
+		mmc->slots[0].ocr_mask = c->ocr_mask;
+
+		switch (c->mmc) {
+		case 1:
+			/* on-chip level shifting via PBIAS0/PBIAS1 */
+			mmc->slots[0].before_set_reg = hsmmc1_before_set_reg;
+			mmc->slots[0].after_set_reg = hsmmc1_after_set_reg;
+
+			/* Omap3630 HSMMC1 supports only 4-bit */
+			if (cpu_is_omap3630() && c->wires > 4) {
+				c->wires = 4;
+				mmc->slots[0].wires = c->wires;
+			}
+			break;
+		case 2:
+			if (c->ext_clock)
+				c->transceiver = 1;
+			if (c->transceiver && c->wires > 4)
+				c->wires = 4;
+			/* FALLTHROUGH */
+		case 3:
+			/* off-chip level shifting, or none */
+			mmc->slots[0].before_set_reg = hsmmc23_before_set_reg;
+			mmc->slots[0].after_set_reg = NULL;
+			break;
+		default:
+			pr_err("MMC%d configuration not supported!\n", c->mmc);
+			kfree(mmc);
+			continue;
+		}
+		hsmmc_data[c->mmc - 1] = mmc;
+	}
+
+	omap2_init_mmc(hsmmc_data, OMAP34XX_NR_MMC);
+
+	/* pass the device nodes back to board setup code */
+	for (c = controllers; c->mmc; c++) {
+		struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1];
+
+		if (!c->mmc || c->mmc > nr_hsmmc)
+			continue;
+		c->dev = mmc->dev;
+	}
+}
+
+#endif
diff --git a/arch/arm/mach-omap2/hsmmc.h b/arch/arm/mach-omap2/hsmmc.h
new file mode 100644
index 0000000..87d67c1
--- /dev/null
+++ b/arch/arm/mach-omap2/hsmmc.h
@@ -0,0 +1,34 @@
+/*
+ * MMC definitions for OMAP2
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+struct twl4030_hsmmc_info {
+	u8	mmc;		/* controller 1/2/3 */
+	u8	wires;		/* 1/4/8 wires */
+	bool	transceiver;	/* MMC-2 option */
+	bool	ext_clock;	/* use external pin for input clock */
+	bool	cover_only;	/* No card detect - just cover switch */
+	bool	nonremovable;	/* Nonremovable e.g. eMMC */
+	bool	power_saving;	/* Try to sleep or power off when possible */
+	int	gpio_cd;	/* or -EINVAL */
+	int	gpio_wp;	/* or -EINVAL */
+	char	*name;		/* or NULL for default */
+	struct device *dev;	/* returned: pointer to mmc adapter */
+	int	ocr_mask;	/* temporary HACK */
+};
+
+#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
+
+void twl4030_mmc_init(struct twl4030_hsmmc_info *);
+
+#else
+
+static inline void twl4030_mmc_init(struct twl4030_hsmmc_info *info)
+{
+}
+
+#endif
diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c
deleted file mode 100644
index 9d5ad0b..0000000
--- a/arch/arm/mach-omap2/mmc-twl4030.c
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
- * linux/arch/arm/mach-omap2/mmc-twl4030.c
- *
- * Copyright (C) 2007-2008 Texas Instruments
- * Copyright (C) 2008 Nokia Corporation
- * Author: Texas Instruments
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/delay.h>
-#include <mach/hardware.h>
-#include <plat/control.h>
-#include <plat/mmc.h>
-
-#include "mmc-twl4030.h"
-
-#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
-
-static u16 control_pbias_offset;
-static u16 control_devconf1_offset;
-
-#define HSMMC_NAME_LEN	9
-
-static struct twl_mmc_controller {
-	char				name[HSMMC_NAME_LEN + 1];
-} hsmmc[OMAP34XX_NR_MMC];
-
-#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
-
-static int twl4030_mmc_get_context_loss(struct device *dev)
-{
-	/* FIXME: PM DPS not implemented yet */
-	return 0;
-}
-
-#else
-#define twl4030_mmc_get_context_loss NULL
-#endif
-
-static void hsmmc1_before_set_reg(struct device *dev, int slot,
-				  int power_on, int vdd)
-{
-	u32 reg, prog_io;
-	struct omap_mmc_platform_data *mmc = dev->platform_data;
-
-	/*
-	 * Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the
-	 * card with Vcc regulator (from twl4030 or whatever).  OMAP has both
-	 * 1.8V and 3.0V modes, controlled by the PBIAS register.
-	 *
-	 * In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which
-	 * is most naturally TWL VSIM; those pins also use PBIAS.
-	 *
-	 * FIXME handle VMMC1A as needed ...
-	 */
-	if (power_on) {
-		if (cpu_is_omap2430()) {
-			reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1);
-			if ((1 << vdd) >= MMC_VDD_30_31)
-				reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE;
-			else
-				reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE;
-			omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1);
-		}
-
-		if (mmc->slots[0].internal_clock) {
-			reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
-			reg |= OMAP2_MMCSDIO1ADPCLKISEL;
-			omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0);
-		}
-
-		reg = omap_ctrl_readl(control_pbias_offset);
-		if (cpu_is_omap3630()) {
-			/* Set MMC I/O to 52Mhz */
-			prog_io = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1);
-			prog_io |= OMAP3630_PRG_SDMMC1_SPEEDCTRL;
-			omap_ctrl_writel(prog_io, OMAP343X_CONTROL_PROG_IO1);
-		} else {
-			reg |= OMAP2_PBIASSPEEDCTRL0;
-		}
-		reg &= ~OMAP2_PBIASLITEPWRDNZ0;
-		omap_ctrl_writel(reg, control_pbias_offset);
-	} else {
-		reg = omap_ctrl_readl(control_pbias_offset);
-		reg &= ~OMAP2_PBIASLITEPWRDNZ0;
-		omap_ctrl_writel(reg, control_pbias_offset);
-	}
-}
-
-static void hsmmc1_after_set_reg(struct device *dev, int slot,
-				 int power_on, int vdd)
-{
-	u32 reg;
-
-	/* 100ms delay required for PBIAS configuration */
-	msleep(100);
-
-	if (power_on) {
-		reg = omap_ctrl_readl(control_pbias_offset);
-		reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0);
-		if ((1 << vdd) <= MMC_VDD_165_195)
-			reg &= ~OMAP2_PBIASLITEVMODE0;
-		else
-			reg |= OMAP2_PBIASLITEVMODE0;
-		omap_ctrl_writel(reg, control_pbias_offset);
-	} else {
-		reg = omap_ctrl_readl(control_pbias_offset);
-		reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 |
-			OMAP2_PBIASLITEVMODE0);
-		omap_ctrl_writel(reg, control_pbias_offset);
-	}
-}
-
-static void hsmmc23_before_set_reg(struct device *dev, int slot,
-				   int power_on, int vdd)
-{
-	struct omap_mmc_platform_data *mmc = dev->platform_data;
-
-	if (power_on) {
-		/* Only MMC2 supports a CLKIN */
-		if (mmc->slots[0].internal_clock) {
-			u32 reg;
-
-			reg = omap_ctrl_readl(control_devconf1_offset);
-			reg |= OMAP2_MMCSDIO2ADPCLKISEL;
-			omap_ctrl_writel(reg, control_devconf1_offset);
-		}
-	}
-}
-
-static struct omap_mmc_platform_data *hsmmc_data[OMAP34XX_NR_MMC] __initdata;
-
-void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers)
-{
-	struct twl4030_hsmmc_info *c;
-	int nr_hsmmc = ARRAY_SIZE(hsmmc_data);
-
-	if (cpu_is_omap2430()) {
-		control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
-		control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1;
-	} else {
-		control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
-		control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1;
-	}
-
-	for (c = controllers; c->mmc; c++) {
-		struct twl_mmc_controller *twl = hsmmc + c->mmc - 1;
-		struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1];
-
-		if (!c->mmc || c->mmc > nr_hsmmc) {
-			pr_debug("MMC%d: no such controller\n", c->mmc);
-			continue;
-		}
-		if (mmc) {
-			pr_debug("MMC%d: already configured\n", c->mmc);
-			continue;
-		}
-
-		mmc = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL);
-		if (!mmc) {
-			pr_err("Cannot allocate memory for mmc device!\n");
-			return;
-		}
-
-		if (c->name)
-			strncpy(twl->name, c->name, HSMMC_NAME_LEN);
-		else
-			snprintf(twl->name, ARRAY_SIZE(twl->name),
-				"mmc%islot%i", c->mmc, 1);
-		mmc->slots[0].name = twl->name;
-		mmc->nr_slots = 1;
-		mmc->slots[0].wires = c->wires;
-		mmc->slots[0].internal_clock = !c->ext_clock;
-		mmc->dma_mask = 0xffffffff;
-
-		mmc->get_context_loss_count =
-				twl4030_mmc_get_context_loss;
-
-		mmc->slots[0].switch_pin = c->gpio_cd;
-		mmc->slots[0].gpio_wp = c->gpio_wp;
-
-		if (c->cover_only)
-			mmc->slots[0].cover = 1;
-
-		if (c->nonremovable)
-			mmc->slots[0].nonremovable = 1;
-
-		if (c->power_saving)
-			mmc->slots[0].power_saving = 1;
-
-		/* NOTE:  MMC slots should have a Vcc regulator set up.
-		 * This may be from a TWL4030-family chip, another
-		 * controllable regulator, or a fixed supply.
-		 *
-		 * temporary HACK: ocr_mask instead of fixed supply
-		 */
-		mmc->slots[0].ocr_mask = c->ocr_mask;
-
-		switch (c->mmc) {
-		case 1:
-			/* on-chip level shifting via PBIAS0/PBIAS1 */
-			mmc->slots[0].before_set_reg = hsmmc1_before_set_reg;
-			mmc->slots[0].after_set_reg = hsmmc1_after_set_reg;
-
-			/* Omap3630 HSMMC1 supports only 4-bit */
-			if (cpu_is_omap3630() && c->wires > 4) {
-				c->wires = 4;
-				mmc->slots[0].wires = c->wires;
-			}
-			break;
-		case 2:
-			if (c->ext_clock)
-				c->transceiver = 1;
-			if (c->transceiver && c->wires > 4)
-				c->wires = 4;
-			/* FALLTHROUGH */
-		case 3:
-			/* off-chip level shifting, or none */
-			mmc->slots[0].before_set_reg = hsmmc23_before_set_reg;
-			mmc->slots[0].after_set_reg = NULL;
-			break;
-		default:
-			pr_err("MMC%d configuration not supported!\n", c->mmc);
-			kfree(mmc);
-			continue;
-		}
-		hsmmc_data[c->mmc - 1] = mmc;
-	}
-
-	omap2_init_mmc(hsmmc_data, OMAP34XX_NR_MMC);
-
-	/* pass the device nodes back to board setup code */
-	for (c = controllers; c->mmc; c++) {
-		struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1];
-
-		if (!c->mmc || c->mmc > nr_hsmmc)
-			continue;
-		c->dev = mmc->dev;
-	}
-}
-
-#endif
diff --git a/arch/arm/mach-omap2/mmc-twl4030.h b/arch/arm/mach-omap2/mmc-twl4030.h
deleted file mode 100644
index 87d67c1..0000000
--- a/arch/arm/mach-omap2/mmc-twl4030.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * MMC definitions for OMAP2
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-struct twl4030_hsmmc_info {
-	u8	mmc;		/* controller 1/2/3 */
-	u8	wires;		/* 1/4/8 wires */
-	bool	transceiver;	/* MMC-2 option */
-	bool	ext_clock;	/* use external pin for input clock */
-	bool	cover_only;	/* No card detect - just cover switch */
-	bool	nonremovable;	/* Nonremovable e.g. eMMC */
-	bool	power_saving;	/* Try to sleep or power off when possible */
-	int	gpio_cd;	/* or -EINVAL */
-	int	gpio_wp;	/* or -EINVAL */
-	char	*name;		/* or NULL for default */
-	struct device *dev;	/* returned: pointer to mmc adapter */
-	int	ocr_mask;	/* temporary HACK */
-};
-
-#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
-
-void twl4030_mmc_init(struct twl4030_hsmmc_info *);
-
-#else
-
-static inline void twl4030_mmc_init(struct twl4030_hsmmc_info *info)
-{
-}
-
-#endif
-- 
1.6.0.4

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