Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 241 insertions, 0 deletions

diff --git a/drivers/pcmcia/ricoh.h b/drivers/pcmcia/ricoh.h
new file mode 100644
index 000000000..8ac7b138c
--- /dev/null
+++ b/drivers/pcmcia/ricoh.h
@@ -0,0 +1,241 @@
+/*
+ * ricoh.h 1.9 1999/10/25 20:03:34
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License
+ * at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and
+ * limitations under the License. 
+ *
+ * The initial developer of the original code is David A. Hinds
+ * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
+ * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU General Public License version 2 (the "GPL"), in which
+ * case the provisions of the GPL are applicable instead of the
+ * above.  If you wish to allow the use of your version of this file
+ * only under the terms of the GPL and not to allow others to use
+ * your version of this file under the MPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice and
+ * other provisions required by the GPL.  If you do not delete the
+ * provisions above, a recipient may use your version of this file
+ * under either the MPL or the GPL.
+ */
+
+#ifndef _LINUX_RICOH_H
+#define _LINUX_RICOH_H
+
+
+#define RF5C_MODE_CTL		0x1f	/* Mode control */
+#define RF5C_PWR_CTL		0x2f	/* Mixed voltage control */
+#define RF5C_CHIP_ID		0x3a	/* Chip identification */
+#define RF5C_MODE_CTL_3		0x3b	/* Mode control 3 */
+
+/* I/O window address offset */
+#define RF5C_IO_OFF(w)		(0x36+((w)<<1))
+
+/* Flags for RF5C_MODE_CTL */
+#define RF5C_MODE_ATA		0x01	/* ATA mode */
+#define RF5C_MODE_LED_ENA	0x02	/* IRQ 12 is LED */
+#define RF5C_MODE_CA21		0x04
+#define RF5C_MODE_CA22		0x08
+#define RF5C_MODE_CA23		0x10
+#define RF5C_MODE_CA24		0x20
+#define RF5C_MODE_CA25		0x40
+#define RF5C_MODE_3STATE_BIT7	0x80
+
+/* Flags for RF5C_PWR_CTL */
+#define RF5C_PWR_VCC_3V		0x01
+#define RF5C_PWR_IREQ_HIGH	0x02
+#define RF5C_PWR_INPACK_ENA	0x04
+#define RF5C_PWR_5V_DET		0x08
+#define RF5C_PWR_TC_SEL		0x10	/* Terminal Count: irq 11 or 15 */
+#define RF5C_PWR_DREQ_LOW	0x20
+#define RF5C_PWR_DREQ_OFF	0x00	/* DREQ steering control */
+#define RF5C_PWR_DREQ_INPACK	0x40
+#define RF5C_PWR_DREQ_SPKR	0x80
+#define RF5C_PWR_DREQ_IOIS16	0xc0
+
+/* Values for RF5C_CHIP_ID */
+#define RF5C_CHIP_RF5C296	0x32
+#define RF5C_CHIP_RF5C396	0xb2
+
+/* Flags for RF5C_MODE_CTL_3 */
+#define RF5C_MCTL3_DISABLE	0x01	/* Disable PCMCIA interface */
+#define RF5C_MCTL3_DMA_ENA	0x02
+
+/* Register definitions for Ricoh PCI-to-CardBus bridges */
+
+/* Extra bits in CB_BRIDGE_CONTROL */
+#define RL5C46X_BCR_3E0_ENA		0x0800
+#define RL5C46X_BCR_3E2_ENA		0x1000
+
+/* Bridge Configuration Register */
+#define RL5C4XX_CONFIG			0x80	/* 16 bit */
+#define  RL5C4XX_CONFIG_IO_1_MODE	0x0200
+#define  RL5C4XX_CONFIG_IO_0_MODE	0x0100
+#define  RL5C4XX_CONFIG_PREFETCH	0x0001
+
+/* Misc Control Register */
+#define RL5C4XX_MISC			0x0082	/* 16 bit */
+#define  RL5C4XX_MISC_HW_SUSPEND_ENA	0x0002
+#define  RL5C4XX_MISC_VCCEN_POL		0x0100
+#define  RL5C4XX_MISC_VPPEN_POL		0x0200
+#define  RL5C46X_MISC_SUSPEND		0x0001
+#define  RL5C46X_MISC_PWR_SAVE_2	0x0004
+#define  RL5C46X_MISC_IFACE_BUSY	0x0008
+#define  RL5C46X_MISC_B_LOCK		0x0010
+#define  RL5C46X_MISC_A_LOCK		0x0020
+#define  RL5C46X_MISC_PCI_LOCK		0x0040
+#define  RL5C47X_MISC_IFACE_BUSY	0x0004
+#define  RL5C47X_MISC_PCI_INT_MASK	0x0018
+#define  RL5C47X_MISC_PCI_INT_DIS	0x0020
+#define  RL5C47X_MISC_SUBSYS_WR		0x0040
+#define  RL5C47X_MISC_SRIRQ_ENA		0x0080
+#define  RL5C47X_MISC_5V_DISABLE	0x0400
+#define  RL5C47X_MISC_LED_POL		0x0800
+
+/* 16-bit Interface Control Register */
+#define RL5C4XX_16BIT_CTL		0x0084	/* 16 bit */
+#define  RL5C4XX_16CTL_IO_TIMING	0x0100
+#define  RL5C4XX_16CTL_MEM_TIMING	0x0200
+#define  RL5C46X_16CTL_LEVEL_1		0x0010
+#define  RL5C46X_16CTL_LEVEL_2		0x0020
+
+/* 16-bit IO and memory timing registers */
+#define RL5C4XX_16BIT_IO_0		0x0088	/* 16 bit */
+#define RL5C4XX_16BIT_MEM_0		0x008a	/* 16 bit */
+#define  RL5C4XX_SETUP_MASK		0x0007
+#define  RL5C4XX_SETUP_SHIFT		0
+#define  RL5C4XX_CMD_MASK		0x01f0
+#define  RL5C4XX_CMD_SHIFT		4
+#define  RL5C4XX_HOLD_MASK		0x1c00
+#define  RL5C4XX_HOLD_SHIFT		10
+#define  RL5C4XX_MISC_CONTROL           0x2F /* 8 bit */
+#define  RL5C4XX_ZV_ENABLE              0x08
+
+/* Misc Control 3 Register */
+#define RL5C4XX_MISC3			0x00A2 /* 16 bit */
+#define  RL5C47X_MISC3_CB_CLKRUN_DIS	BIT(1)
+
+#ifdef __YENTA_H
+
+#define rl_misc(socket)		((socket)->private[0])
+#define rl_ctl(socket)		((socket)->private[1])
+#define rl_io(socket)		((socket)->private[2])
+#define rl_mem(socket)		((socket)->private[3])
+#define rl_config(socket)	((socket)->private[4])
+
+static void ricoh_zoom_video(struct pcmcia_socket *sock, int onoff)
+{
+        u8 reg;
+	struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
+
+        reg = config_readb(socket, RL5C4XX_MISC_CONTROL);
+        if (onoff)
+                /* Zoom zoom, we will all go together, zoom zoom, zoom zoom */
+                reg |=  RL5C4XX_ZV_ENABLE;
+        else
+                reg &= ~RL5C4XX_ZV_ENABLE;
+	
+        config_writeb(socket, RL5C4XX_MISC_CONTROL, reg);
+}
+
+static void ricoh_set_zv(struct yenta_socket *socket)
+{
+        if(socket->dev->vendor == PCI_VENDOR_ID_RICOH)
+        {
+                switch(socket->dev->device)
+                {
+                        /* There may be more .. */
+		case  PCI_DEVICE_ID_RICOH_RL5C478:
+			socket->socket.zoom_video = ricoh_zoom_video;
+			break;  
+                }
+        }
+}
+
+static void ricoh_set_clkrun(struct yenta_socket *socket, bool quiet)
+{
+	u16 misc3;
+
+	/*
+	 * RL5C475II likely has this setting, too, however no datasheet
+	 * is publicly available for this chip
+	 */
+	if (socket->dev->device != PCI_DEVICE_ID_RICOH_RL5C476 &&
+	    socket->dev->device != PCI_DEVICE_ID_RICOH_RL5C478)
+		return;
+
+	if (socket->dev->revision < 0x80)
+		return;
+
+	misc3 = config_readw(socket, RL5C4XX_MISC3);
+	if (misc3 & RL5C47X_MISC3_CB_CLKRUN_DIS) {
+		if (!quiet)
+			dev_dbg(&socket->dev->dev,
+				"CLKRUN feature already disabled\n");
+	} else if (disable_clkrun) {
+		if (!quiet)
+			dev_info(&socket->dev->dev,
+				 "Disabling CLKRUN feature\n");
+		misc3 |= RL5C47X_MISC3_CB_CLKRUN_DIS;
+		config_writew(socket, RL5C4XX_MISC3, misc3);
+	}
+}
+
+static void ricoh_save_state(struct yenta_socket *socket)
+{
+	rl_misc(socket) = config_readw(socket, RL5C4XX_MISC);
+	rl_ctl(socket) = config_readw(socket, RL5C4XX_16BIT_CTL);
+	rl_io(socket) = config_readw(socket, RL5C4XX_16BIT_IO_0);
+	rl_mem(socket) = config_readw(socket, RL5C4XX_16BIT_MEM_0);
+	rl_config(socket) = config_readw(socket, RL5C4XX_CONFIG);
+}
+
+static void ricoh_restore_state(struct yenta_socket *socket)
+{
+	config_writew(socket, RL5C4XX_MISC, rl_misc(socket));
+	config_writew(socket, RL5C4XX_16BIT_CTL, rl_ctl(socket));
+	config_writew(socket, RL5C4XX_16BIT_IO_0, rl_io(socket));
+	config_writew(socket, RL5C4XX_16BIT_MEM_0, rl_mem(socket));
+	config_writew(socket, RL5C4XX_CONFIG, rl_config(socket));
+	ricoh_set_clkrun(socket, true);
+}
+
+
+/*
+ * Magic Ricoh initialization code..
+ */
+static int ricoh_override(struct yenta_socket *socket)
+{
+	u16 config, ctl;
+
+	config = config_readw(socket, RL5C4XX_CONFIG);
+
+	/* Set the default timings, don't trust the original values */
+	ctl = RL5C4XX_16CTL_IO_TIMING | RL5C4XX_16CTL_MEM_TIMING;
+
+	if(socket->dev->device < PCI_DEVICE_ID_RICOH_RL5C475) {
+		ctl |= RL5C46X_16CTL_LEVEL_1 | RL5C46X_16CTL_LEVEL_2;
+	} else {
+		config |= RL5C4XX_CONFIG_PREFETCH;
+	}
+
+	config_writew(socket, RL5C4XX_16BIT_CTL, ctl);
+	config_writew(socket, RL5C4XX_CONFIG, config);
+
+	ricoh_set_zv(socket);
+	ricoh_set_clkrun(socket, false);
+
+	return 0;
+}
+
+#endif /* CONFIG_CARDBUS */
+
+#endif /* _LINUX_RICOH_H */