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authorryd <ryd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2008-02-19 04:03:49 +0000
committerryd <ryd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2008-02-19 04:03:49 +0000
commite4a3634c00818e77664da2c3592a95e8c8fad5d6 (patch)
tree5aec8287ecd3034c53cbbeb5a6408389b1d34507 /target/linux/olpc/files/drivers
parentac24192a897d17c7416cfc1a58ad5432404662de (diff)
Adding .24 support for olpc
kernel compiles fine, but graphic support is broken to test new kernel version, change target/linux/olpc/Makefile from .23.16 to .24 git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10493 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/olpc/files/drivers')
-rw-r--r--target/linux/olpc/files/drivers/input/mouse/olpc.c554
-rw-r--r--target/linux/olpc/files/drivers/input/mouse/olpc.h49
-rw-r--r--target/linux/olpc/files/drivers/mtd/mtdcore.h11
-rw-r--r--target/linux/olpc/files/drivers/mtd/mtdoops.c365
-rw-r--r--target/linux/olpc/files/drivers/mtd/onenand/onenand_sim.c495
-rw-r--r--target/linux/olpc/files/drivers/video/geode/geode_regs.h242
-rw-r--r--target/linux/olpc/files/drivers/video/geode/suspend_gx.c272
-rw-r--r--target/linux/olpc/files/drivers/video/olpc_dcon.c824
-rw-r--r--target/linux/olpc/files/drivers/video/olpc_dcon.h75
9 files changed, 0 insertions, 2887 deletions
diff --git a/target/linux/olpc/files/drivers/input/mouse/olpc.c b/target/linux/olpc/files/drivers/input/mouse/olpc.c
deleted file mode 100644
index dc575ac06..000000000
--- a/target/linux/olpc/files/drivers/input/mouse/olpc.c
+++ /dev/null
@@ -1,554 +0,0 @@
-/*
- * OLPC touchpad PS/2 mouse driver
- *
- * Copyright (c) 2006 One Laptop Per Child, inc.
- * Authors Zephaniah E. Hull and Andres Salomon <dilinger@laptop.org>
- *
- * This driver is partly based on the ALPS driver, which is:
- *
- * Copyright (c) 2003 Neil Brown <neilb@cse.unsw.edu.au>
- * Copyright (c) 2003-2005 Peter Osterlund <petero2@telia.com>
- * Copyright (c) 2004 Dmitry Torokhov <dtor@mail.ru>
- * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz>
- *
- * 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.
- */
-
-/*
- * The touchpad on the OLPC is fairly wide, with the entire area usable
- * as a tablet ("PT mode"), and the center 1/3rd also usable as a touchpad
- * ("GS mode").
- *
- * Earlier version of the device had simultaneous reporting; however, that
- * was removed. Instead, the device now reports packets in one mode, and
- * tells the driver when a mode switch needs to happen.
- */
-
-#include <linux/input.h>
-#include <linux/serio.h>
-#include <linux/libps2.h>
-#include <linux/delay.h>
-#include <asm/olpc.h>
-
-#include "psmouse.h"
-#include "olpc.h"
-
-static int tpdebug;
-module_param(tpdebug, int, 0644);
-
-#define OLPC_GS 1 /* The GS sensor. */
-#define OLPC_PT 2 /* The PT sensor. */
-
-static struct olpc_model_info olpc_model_data[] = {
- { { 0x67, 0x00, 0x00 }, OLPC_GS | OLPC_PT }, /* unknown ID */
- { { 0x67, 0x00, 0x0a }, OLPC_GS | OLPC_PT }, /* pre-B1 */
- { { 0x67, 0x00, 0x14 }, OLPC_GS }, /* B1.*/
- { { 0x67, 0x00, 0x28 }, OLPC_GS | OLPC_PT }, /* B2 */
- { { 0x67, 0x00, 0x3c }, OLPC_GS | OLPC_PT }, /* B2-2 */
- { { 0x67, 0x00, 0x50 }, OLPC_GS | OLPC_PT }, /* C1 */
-};
-
-#define OLPC_PKT_PT 0xcf
-#define OLPC_PKT_GS 0xff
-
-static int olpc_absolute_mode(struct psmouse *psmouse, int mode);
-
-/*
- * OLPC absolute Mode - single-mode format
- *
- * byte 0: 1 1 0 0 1 1 1 1
- * byte 1: 0 x6 x5 x4 x3 x2 x1 x0
- * byte 2(PT): 0 0 x9 x8 x7 ? pt-dsw gs-dsw
- * byte 2(GS): 0 x10 x9 x8 x7 ? gs-dsw pt-dsw
- * byte 3: 0 y9 y8 y7 1 0 swr swl
- * byte 4: 0 y6 y5 y4 y3 y2 y1 y0
- * byte 5: 0 z6 z5 z4 z3 z2 z1 z0
- *
- * ?'s are not defined in the protocol spec, may vary between models.
- *
- * swr/swl are the left/right buttons.
- *
- * pt-dsw/gs-dsw indicate that the pt/gs sensor is detecting a
- * pen/finger
- */
-
-static void olpc_process_packet_gspt(struct psmouse *psmouse)
-{
- struct olpc_data *priv = psmouse->private;
- unsigned char *packet = psmouse->packet;
- struct input_dev *dev = psmouse->dev;
- struct input_dev *dev2 = priv->dev2;
- int x, y, z, gs_down = 0, pt_down = 0, left, right;
- struct timeval now_tv;
- s64 now_ns;
-
- left = packet[3] & 1;
- right = packet[3] & 2;
- x = packet[1] | ((packet[2] & 0x78) << 4);
- y = packet[4] | ((packet[3] & 0x70) << 3);
- z = packet[5];
-
- if (psmouse->packet[0] == OLPC_PKT_GS) {
- pt_down = !!(packet[2] & 1);
- gs_down = !!(packet[2] & 2);
- } else if (psmouse->packet[0] == OLPC_PKT_PT) {
- gs_down = !!(packet[2] & 1);
- pt_down = !!(packet[2] & 2);
- }
-
- /*
- * XXX: Kludge.
- * If it's been more than 30ms since the last packet,
- * assume that there was a lift we were never told about.
- */
- do_gettimeofday(&now_tv);
- now_ns = timeval_to_ns (&now_tv);
- if (now_ns >= priv->late) {
- input_report_key(dev, BTN_TOUCH, 0);
- input_report_key(dev, BTN_TOOL_PEN, 0);
- input_report_key(dev2, BTN_TOUCH, 0);
- input_report_key(dev2, BTN_TOOL_FINGER, 0);
-
- input_sync(dev);
- input_sync(dev2);
- }
-
- priv->late = now_ns + (30 * NSEC_PER_MSEC);
-
-
- if (tpdebug) {
- printk(KERN_DEBUG "%s %02x %02x %02x %02x %02x %02x\n",
- __FUNCTION__, psmouse->packet[0], psmouse->packet[1],
- psmouse->packet[2], psmouse->packet[3], psmouse->packet[4],
- psmouse->packet[5]);
- printk(KERN_DEBUG "l=%d r=%d p=%d g=%d x=%d y=%d z=%d\n",
- left, right, pt_down, gs_down, x, y, z);
- }
-
- if (psmouse->packet[0] == OLPC_PKT_PT) {
- input_report_key(dev, BTN_LEFT, left);
- input_report_key(dev, BTN_RIGHT, right);
- } else if (psmouse->packet[0] == OLPC_PKT_GS) {
- input_report_key(dev, BTN_LEFT, left);
- input_report_key(dev, BTN_RIGHT, right);
- input_report_key(dev2, BTN_LEFT, left);
- input_report_key(dev2, BTN_RIGHT, right);
- }
-
- input_report_key(dev, BTN_TOUCH, pt_down);
- input_report_key(dev, BTN_TOOL_PEN, pt_down);
- input_report_key(dev2, BTN_TOUCH, gs_down);
- input_report_key(dev2, BTN_TOOL_FINGER, gs_down);
-
- input_report_abs(dev2, ABS_PRESSURE, z);
-
- if (psmouse->packet[0] == OLPC_PKT_PT && pt_down) {
- input_report_abs(dev, ABS_X, x);
- input_report_abs(dev, ABS_Y, y);
- } else if (psmouse->packet[0] == OLPC_PKT_GS && gs_down) {
- input_report_abs(dev2, ABS_X, x);
- input_report_abs(dev2, ABS_Y, y);
- }
-
- input_sync(dev);
- input_sync(dev2);
-
- if (priv->pending_mode == OLPC_GS &&
- psmouse->packet[0] == OLPC_PKT_PT && pt_down) {
- priv->pending_mode = 0;
- cancel_delayed_work(&priv->mode_switch);
- }
-
- if (priv->i->flags & (OLPC_PT|OLPC_GS)) {
- int pending = 0;
- if (psmouse->packet[0] == OLPC_PKT_PT && !pt_down)
- pending = OLPC_GS;
- else if (psmouse->packet[0] == OLPC_PKT_GS && pt_down)
- pending = OLPC_PT;
-
- if (priv->current_mode == pending) {
- priv->pending_mode = 0;
- pending = priv->current_mode;
- }
- else if (priv->pending_mode != pending) {
- priv->pending_mode = pending;
- if (tpdebug)
- printk(KERN_WARNING "Scheduling mode switch to %s.\n",
- pending == OLPC_GS ? "GS" : "PT");
-
- /*
- * Apply a de-bounce when switching from PT to GS, to allow for
- * spurious PT-up packets.
- */
- if (priv->pending_mode == OLPC_GS)
- queue_delayed_work(kpsmoused_wq, &priv->mode_switch, msecs_to_jiffies(50));
- else
- queue_delayed_work(kpsmoused_wq, &priv->mode_switch, 0);
- }
- }
-}
-
-static psmouse_ret_t olpc_process_byte(struct psmouse *psmouse)
-{
- psmouse_ret_t ret = PSMOUSE_BAD_DATA;
-
- if (psmouse->packet[0] != OLPC_PKT_PT &&
- psmouse->packet[0] != OLPC_PKT_GS)
- goto out;
-
- /* Bytes 2 - 6 should have 0 in the highest bit */
- if (psmouse->pktcnt >= 2 && psmouse->pktcnt <= 6 &&
- (psmouse->packet[psmouse->pktcnt - 1] & 0x80))
- goto out;
-
- if (psmouse->pktcnt == 6) {
- olpc_process_packet_gspt(psmouse);
- ret = PSMOUSE_FULL_PACKET;
- goto out;
- }
-
- ret = PSMOUSE_GOOD_DATA;
-out:
- if (ret != PSMOUSE_GOOD_DATA && ret != PSMOUSE_FULL_PACKET)
- printk(KERN_DEBUG "%s: (%d) %02x %02x %02x %02x %02x %02x\n",
- __FUNCTION__, psmouse->pktcnt, psmouse->packet[0],
- psmouse->packet[1], psmouse->packet[2],
- psmouse->packet[3], psmouse->packet[4],
- psmouse->packet[5]);
- return ret;
-}
-
-static struct olpc_model_info *olpc_get_model(struct psmouse *psmouse)
-{
- struct ps2dev *ps2dev = &psmouse->ps2dev;
- unsigned char param[4];
- int i;
-
- /*
- * Now try "E7 report". Allowed responses are in
- * olpc_model_data[].signature
- */
- if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE21))
- return NULL;
-
- param[0] = param[1] = param[2] = 0xff;
- if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
- return NULL;
-
- pr_debug("olpc.c(%d): E7 report: %2.2x %2.2x %2.2x",
- __LINE__, param[0], param[1], param[2]);
-
- for (i = 0; i < ARRAY_SIZE(olpc_model_data); i++) {
- if (!memcmp(param, olpc_model_data[i].signature,
- sizeof(olpc_model_data[i].signature))) {
- printk(KERN_INFO __FILE__ ": OLPC touchpad revision 0x%x.\n", param[2]);
- return olpc_model_data + i;
- }
- }
-
- /*
- * ALPS creates new IDs pretty frequently; rather than listing them
- * all, just assume they support the defaults. We've set aside the
- * first entry of olpc_model_data as the catch-all.
- */
- if (!memcmp(param, olpc_model_data[0].signature, 2)) {
- printk(KERN_INFO __FILE__ ": unknown ALPS revision %x, assuming default flags.\n", param[2]);
- return &olpc_model_data[0];
- }
-
- return NULL;
-}
-
-static int olpc_find_mode(struct psmouse *psmouse)
-{
- struct olpc_data *priv = psmouse->private;
- int mode = priv->i->flags;
-
- if (mode & OLPC_GS)
- mode = OLPC_GS;
- else if (mode & OLPC_PT)
- mode = OLPC_PT;
- else
- mode = -1;
-
- return mode;
-}
-
-/*
- * Touchpad should be disabled before calling this!
- */
-static int olpc_new_mode(struct psmouse *psmouse, int mode)
-{
- struct ps2dev *ps2dev = &psmouse->ps2dev;
- struct olpc_data *priv = psmouse->private;
- unsigned char param;
- int ret;
-
- if (tpdebug)
- printk(KERN_WARNING __FILE__ ": Switching to %d. [%lu]\n", mode, jiffies);
-
- if ((ret = ps2_command(ps2dev, &param, 0x01F2)))
- goto failed;
- if ((ret = ps2_command(ps2dev, &param, 0x01F2)))
- goto failed;
- if ((ret = ps2_command(ps2dev, &param, 0x01F2)))
- goto failed;
-
- switch (mode) {
- default:
- printk(KERN_WARNING __FILE__ ": Invalid mode %d. Defaulting to OLPC_GS.\n", mode);
- case OLPC_GS:
- ret = ps2_command(ps2dev, NULL, 0xE6);
- break;
- case OLPC_PT:
- ret = ps2_command(ps2dev, NULL, 0xE7);
- break;
- }
- if (ret)
- goto failed;
-
- /* XXX: This is a bit hacky, make sure this isn't screwing stuff up. */
- psmouse->pktcnt = psmouse->out_of_sync = 0;
- psmouse->last = jiffies;
- psmouse->state = PSMOUSE_ACTIVATED;
-
- if ((ret = ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE)))
- goto failed;
-
- priv->current_mode = mode;
- priv->pending_mode = 0;
- if (tpdebug)
- printk(KERN_WARNING __FILE__ ": Switched to mode %d successful.\n", mode);
-
-failed:
- if (ret)
- printk(KERN_WARNING __FILE__ ": Mode switch to %d failed! (%d) [%lu]\n", mode, ret, jiffies);
- return ret;
-}
-
-static int olpc_absolute_mode(struct psmouse *psmouse, int mode)
-{
- struct ps2dev *ps2dev = &psmouse->ps2dev;
-
- /* Switch to 'Advanced mode.', four disables in a row. */
- if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
- ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE))
- return -1;
-
- return olpc_new_mode(psmouse, mode);
-}
-
-/*
- * olpc_poll() - poll the touchpad for current motion packet.
- * Used in resync.
- * Note: We can't poll, so always return failure.
- */
-static int olpc_poll(struct psmouse *psmouse)
-{
- return -1;
-}
-
-static int olpc_reconnect(struct psmouse *psmouse)
-{
- struct olpc_data *priv = psmouse->private;
- int mode;
-
- if (olpc_rev_after(OLPC_REV_B2))
- if (psmouse->ps2dev.serio->dev.power.power_state.event != PM_EVENT_ON)
- return 0;
-
- psmouse_reset(psmouse);
-
- if (!(priv->i = olpc_get_model(psmouse)))
- return -1;
-
- mode = olpc_find_mode(psmouse);
- if (mode < 0)
- return -1;
-
- if (olpc_absolute_mode(psmouse, mode)) {
- printk(KERN_ERR __FILE__ ": Failed to reenable absolute mode.\n");
- return -1;
- }
-
- return 0;
-}
-
-static void olpc_disconnect(struct psmouse *psmouse)
-{
- struct olpc_data *priv = psmouse->private;
-
- psmouse_reset(psmouse);
- input_unregister_device(priv->dev2);
- kfree(priv);
-}
-
-static void olpc_mode_switch(struct work_struct *w)
-{
- struct delayed_work *work = container_of(w, struct delayed_work, work);
- struct olpc_data *priv = container_of(work, struct olpc_data, mode_switch);
- struct psmouse *psmouse = priv->psmouse;
- struct ps2dev *ps2dev = &psmouse->ps2dev;
- int pending_mode, ret;
-
- if (priv->pending_mode == priv->current_mode) {
- priv->pending_mode = 0;
- printk (KERN_DEBUG __FILE__ ": In switch_mode, no target mode.\n");
- return;
- }
-
- if (tpdebug)
- printk(KERN_WARNING __FILE__ ": Disable for switch to %d. [%lu]\n", priv->pending_mode, jiffies);
-
- /* XXX: This is a bit hacky, make sure this isn't screwing stuff up. */
- psmouse->state = PSMOUSE_INITIALIZING;
-
- ret = ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE);
- if (ret) {
- /* XXX: if this ever fails, we need to do a full reset! */
- printk(KERN_WARNING __FILE__ ": Disable failed for switch to %d. (%d) [%lu]\n", priv->pending_mode, ret, jiffies);
- return;
- }
-
- /*
- * ALPS tells us that it may take up to 20msec for the disable to
- * take effect; however, ps2_command() will wait up to 200msec for
- * the ACK to come back (and I'm assuming that by the time the
- * hardware sends back its ACK, it has stopped sending bytes).
- */
- pending_mode = priv->pending_mode;
-
- if (olpc_new_mode(psmouse, priv->pending_mode))
- goto bad;
-
- /*
- * Deal with a potential race condition.
- *
- * If there is a brief tap of a stylus or a fingernail that
- * triggers a mode switch to PT mode, and the stylus/fingernail is
- * lifted after the DISABLE above, but before we reenable in the new mode,
- * then we can get stuck in PT mode.
- */
- if (pending_mode == OLPC_PT) {
- priv->pending_mode = OLPC_GS;
- queue_delayed_work(kpsmoused_wq, &priv->mode_switch, msecs_to_jiffies(50));
- }
-
- return;
-
-bad:
- printk(KERN_WARNING __FILE__ ": Failure to switch modes, resetting device...\n");
- olpc_reconnect(psmouse);
-}
-
-int olpc_init(struct psmouse *psmouse)
-{
- struct olpc_data *priv;
- struct input_dev *dev = psmouse->dev;
- struct input_dev *dev2;
- int mode;
-
- priv = kzalloc(sizeof(struct olpc_data), GFP_KERNEL);
- dev2 = input_allocate_device();
- if (!priv || !dev2)
- goto init_fail;
-
- psmouse->private = priv;
- priv->dev2 = dev2;
- priv->psmouse = psmouse;
-
- psmouse_reset(psmouse);
- if (!(priv->i = olpc_get_model(psmouse)))
- goto init_fail;
-
- mode = olpc_find_mode(psmouse);
- if (mode < 0) {
- printk(KERN_ERR __FILE__ ": Failed to identify proper mode\n");
- goto init_fail;
- }
-
- if (olpc_absolute_mode(psmouse, mode)) {
- printk(KERN_ERR __FILE__ ": Failed to enable absolute mode\n");
- goto init_fail;
- }
-
- /*
- * Unset some of the default bits for things we don't have.
- */
- dev->evbit[LONG(EV_REL)] &= ~BIT(EV_REL);
- dev->relbit[LONG(REL_X)] &= ~(BIT(REL_X) | BIT(REL_Y));
- dev->keybit[LONG(BTN_MIDDLE)] &= ~BIT(BTN_MIDDLE);
-
- dev->evbit[LONG(EV_KEY)] |= BIT(EV_KEY);
- dev->keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH);
- dev->keybit[LONG(BTN_TOOL_PEN)] |= BIT(BTN_TOOL_PEN);
- dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT);
-
- dev->evbit[LONG(EV_ABS)] |= BIT(EV_ABS);
- input_set_abs_params(dev, ABS_X, 2, 1000, 0, 0);
- input_set_abs_params(dev, ABS_Y, 0, 717, 0, 0);
-
- snprintf(priv->phys, sizeof(priv->phys),
- "%s/input1", psmouse->ps2dev.serio->phys);
- dev2->phys = priv->phys;
- dev2->name = "OLPC ALPS GlideSensor";
- dev2->id.bustype = BUS_I8042;
- dev2->id.vendor = 0x0002;
- dev2->id.product = PSMOUSE_OLPC;
- dev2->id.version = 0x0000;
-
- dev2->evbit[LONG(EV_KEY)] |= BIT(EV_KEY);
- dev2->keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH);
- dev2->keybit[LONG(BTN_TOOL_FINGER)] |= BIT(BTN_TOOL_FINGER);
- dev2->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT);
-
- dev2->evbit[LONG(EV_ABS)] |= BIT(EV_ABS);
- input_set_abs_params(dev2, ABS_X, 350, 512, 0, 0);
- input_set_abs_params(dev2, ABS_Y, 70, 325, 0, 0);
- input_set_abs_params(dev2, ABS_PRESSURE, 0, 63, 0, 0);
-
- if (input_register_device(dev2)) {
- printk(KERN_ERR __FILE__ ": Failed to register GlideSensor\n");
- goto init_fail;
- }
-
- psmouse->protocol_handler = olpc_process_byte;
- psmouse->poll = olpc_poll;
- psmouse->disconnect = olpc_disconnect;
- psmouse->reconnect = olpc_reconnect;
- psmouse->pktsize = 6;
-
- /* Disable the idle resync. */
- psmouse->resync_time = 0;
- /* Reset after a lot of bad bytes. */
- psmouse->resetafter = 1024;
-
- INIT_DELAYED_WORK(&priv->mode_switch, olpc_mode_switch);
-
- return 0;
-
-init_fail:
- input_free_device(dev2);
- kfree(priv);
- return -1;
-}
-
-int olpc_detect(struct psmouse *psmouse, int set_properties)
-{
- if (!olpc_get_model(psmouse))
- return -1;
-
- if (set_properties) {
- psmouse->vendor = "ALPS";
- psmouse->name = "PenTablet";
- psmouse->model = 0;
- }
- return 0;
-}
-
diff --git a/target/linux/olpc/files/drivers/input/mouse/olpc.h b/target/linux/olpc/files/drivers/input/mouse/olpc.h
deleted file mode 100644
index 426f8b4ea..000000000
--- a/target/linux/olpc/files/drivers/input/mouse/olpc.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * OLPC touchpad PS/2 mouse driver
- *
- * Copyright (c) 2006 One Laptop Per Child, inc.
- *
- * This driver is partly based on the ALPS driver.
- * Copyright (c) 2003 Peter Osterlund <petero2@telia.com>
- * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz>
- *
- * 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.
- */
-
-#ifndef _OLPC_H
-#define _OLPC_H
-
-struct olpc_model_info {
- unsigned char signature[3];
- unsigned char flags;
-};
-
-struct olpc_data {
- struct input_dev *dev2; /* Relative device */
- struct psmouse *psmouse;
- char name[32]; /* Name */
- char phys[32]; /* Phys */
- struct olpc_model_info *i; /* Info */
- int pending_mode;
- int current_mode;
- s64 late;
- struct delayed_work mode_switch;
-};
-
-#ifdef CONFIG_MOUSE_PS2_OLPC
-int olpc_detect(struct psmouse *psmouse, int set_properties);
-int olpc_init(struct psmouse *psmouse);
-#else
-inline int olpc_detect(struct psmouse *psmouse, int set_properties)
-{
- return -ENOSYS;
-}
-inline int olpc_init(struct psmouse *psmouse)
-{
- return -ENOSYS;
-}
-#endif
-
-#endif
diff --git a/target/linux/olpc/files/drivers/mtd/mtdcore.h b/target/linux/olpc/files/drivers/mtd/mtdcore.h
deleted file mode 100644
index a33251f4b..000000000
--- a/target/linux/olpc/files/drivers/mtd/mtdcore.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/* linux/drivers/mtd/mtdcore.h
- *
- * Header file for driver private mtdcore exports
- *
- */
-
-/* These are exported solely for the purpose of mtd_blkdevs.c. You
- should not use them for _anything_ else */
-
-extern struct mutex mtd_table_mutex;
-extern struct mtd_info *mtd_table[MAX_MTD_DEVICES];
diff --git a/target/linux/olpc/files/drivers/mtd/mtdoops.c b/target/linux/olpc/files/drivers/mtd/mtdoops.c
deleted file mode 100644
index cfc28ab4a..000000000
--- a/target/linux/olpc/files/drivers/mtd/mtdoops.c
+++ /dev/null
@@ -1,365 +0,0 @@
-/*
- * MTD Oops/Panic logger
- *
- * Copyright (C) 2007 Nokia Corporation. All rights reserved.
- *
- * Author: Richard Purdie <rpurdie@openedhand.com>
- *
- * 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.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/console.h>
-#include <linux/vmalloc.h>
-#include <linux/workqueue.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#include <linux/mtd/mtd.h>
-
-#define OOPS_PAGE_SIZE 4096
-
-static struct mtdoops_context {
- int mtd_index;
- struct work_struct work;
- struct mtd_info *mtd;
- int oops_pages;
- int nextpage;
- int nextcount;
-
- void *oops_buf;
- int ready;
- int writecount;
-} oops_cxt;
-
-static void mtdoops_erase_callback(struct erase_info *done)
-{
- wait_queue_head_t *wait_q = (wait_queue_head_t *)done->priv;
- wake_up(wait_q);
-}
-
-static int mtdoops_erase_block(struct mtd_info *mtd, int offset)
-{
- struct erase_info erase;
- DECLARE_WAITQUEUE(wait, current);
- wait_queue_head_t wait_q;
- int ret;
-
- init_waitqueue_head(&wait_q);
- erase.mtd = mtd;
- erase.callback = mtdoops_erase_callback;
- erase.addr = offset;
- if (mtd->erasesize < OOPS_PAGE_SIZE)
- erase.len = OOPS_PAGE_SIZE;
- else
- erase.len = mtd->erasesize;
- erase.priv = (u_long)&wait_q;
-
- set_current_state(TASK_INTERRUPTIBLE);
- add_wait_queue(&wait_q, &wait);
-
- ret = mtd->erase(mtd, &erase);
- if (ret) {
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&wait_q, &wait);
- printk (KERN_WARNING "mtdoops: erase of region [0x%x, 0x%x] "
- "on \"%s\" failed\n",
- erase.addr, erase.len, mtd->name);
- return ret;
- }
-
- schedule(); /* Wait for erase to finish. */
- remove_wait_queue(&wait_q, &wait);
-
- return 0;
-}
-
-static int mtdoops_inc_counter(struct mtdoops_context *cxt)
-{
- struct mtd_info *mtd = cxt->mtd;
- size_t retlen;
- u32 count;
- int ret;
-
- cxt->nextpage++;
- if (cxt->nextpage > cxt->oops_pages)
- cxt->nextpage = 0;
- cxt->nextcount++;
- if (cxt->nextcount == 0xffffffff)
- cxt->nextcount = 0;
-
- ret = mtd->read(mtd, cxt->nextpage * OOPS_PAGE_SIZE, 4,
- &retlen, (u_char *) &count);
- if ((retlen != 4) || (ret < 0)) {
- printk(KERN_ERR "mtdoops: Read failure at %d (%d of 4 read)"
- ", err %d.\n", cxt->nextpage * OOPS_PAGE_SIZE,
- retlen, ret);
- return 1;
- }
-
- /* See if we need to erase the next block */
- if (count != 0xffffffff)
- return 1;
-
- printk(KERN_DEBUG "mtdoops: Ready %d, %d (no erase)\n",
- cxt->nextpage, cxt->nextcount);
- cxt->ready = 1;
- return 0;
-}
-
-static void mtdoops_prepare(struct mtdoops_context *cxt)
-{
- struct mtd_info *mtd = cxt->mtd;
- int i = 0, j, ret, mod;
-
- /* We were unregistered */
- if (!mtd)
- return;
-
- mod = (cxt->nextpage * OOPS_PAGE_SIZE) % mtd->erasesize;
- if (mod != 0) {
- cxt->nextpage = cxt->nextpage + ((mtd->erasesize - mod) / OOPS_PAGE_SIZE);
- if (cxt->nextpage > cxt->oops_pages)
- cxt->nextpage = 0;
- }
-
- while (mtd->block_isbad &&
- mtd->block_isbad(mtd, cxt->nextpage * OOPS_PAGE_SIZE)) {
-badblock:
- printk(KERN_WARNING "mtdoops: Bad block at %08x\n",
- cxt->nextpage * OOPS_PAGE_SIZE);
- i++;
- cxt->nextpage = cxt->nextpage + (mtd->erasesize / OOPS_PAGE_SIZE);
- if (cxt->nextpage > cxt->oops_pages)
- cxt->nextpage = 0;
- if (i == (cxt->oops_pages / (mtd->erasesize / OOPS_PAGE_SIZE))) {
- printk(KERN_ERR "mtdoops: All blocks bad!\n");
- return;
- }
- }
-
- for (j = 0, ret = -1; (j < 3) && (ret < 0); j++)
- ret = mtdoops_erase_block(mtd, cxt->nextpage * OOPS_PAGE_SIZE);
-
- if (ret < 0) {
- if (mtd->block_markbad)
- mtd->block_markbad(mtd, cxt->nextpage * OOPS_PAGE_SIZE);
- goto badblock;
- }
-
- printk(KERN_DEBUG "mtdoops: Ready %d, %d \n", cxt->nextpage, cxt->nextcount);
-
- cxt->ready = 1;
-}
-
-static void mtdoops_workfunc(struct work_struct *work)
-{
- struct mtdoops_context *cxt =
- container_of(work, struct mtdoops_context, work);
-
- mtdoops_prepare(cxt);
-}
-
-static int find_next_position(struct mtdoops_context *cxt)
-{
- struct mtd_info *mtd = cxt->mtd;
- int page, maxpos = 0;
- u32 count, maxcount = 0xffffffff;
- size_t retlen;
-
- for (page = 0; page < cxt->oops_pages; page++) {
- mtd->read(mtd, page * OOPS_PAGE_SIZE, 4, &retlen, (u_char *) &count);
- if (count == 0xffffffff)
- continue;
- if (maxcount == 0xffffffff) {
- maxcount = count;
- maxpos = page;
- } else if ((count < 0x40000000) && (maxcount > 0xc0000000)) {
- maxcount = count;
- maxpos = page;
- } else if ((count > maxcount) && (count < 0xc0000000)) {
- maxcount = count;
- maxpos = page;
- } else if ((count > maxcount) && (count > 0xc0000000)
- && (maxcount > 0x80000000)) {
- maxcount = count;
- maxpos = page;
- }
- }
- if (maxcount == 0xffffffff) {
- cxt->nextpage = 0;
- cxt->nextcount = 1;
- cxt->ready = 1;
- printk(KERN_DEBUG "mtdoops: Ready %d, %d (first init)\n",
- cxt->nextpage, cxt->nextcount);
- return 0;
- }
-
- cxt->nextpage = maxpos;
- cxt->nextcount = maxcount;
-
- return mtdoops_inc_counter(cxt);
-}
-
-
-static void mtdoops_notify_add(struct mtd_info *mtd)
-{
- struct mtdoops_context *cxt = &oops_cxt;
- int ret;
-
- if ((mtd->index != cxt->mtd_index) || cxt->mtd_index < 0)
- return;
-
- if (mtd->size < (mtd->erasesize * 2)) {
- printk(KERN_ERR "MTD partition %d not big enough for mtdoops\n",
- mtd->index);
- return;
- }
-
- cxt->mtd = mtd;
- cxt->oops_pages = mtd->size / OOPS_PAGE_SIZE;
-
- ret = find_next_position(cxt);
- if (ret == 1)
- mtdoops_prepare(cxt);
-
- printk(KERN_DEBUG "mtdoops: Attached to MTD device %d\n", mtd->index);
-}
-
-static void mtdoops_notify_remove(struct mtd_info *mtd)
-{
- struct mtdoops_context *cxt = &oops_cxt;
-
- if ((mtd->index != cxt->mtd_index) || cxt->mtd_index < 0)
- return;
-
- cxt->mtd = NULL;
- flush_scheduled_work();
-}
-
-
-static void
-mtdoops_console_write(struct console *co, const char *s, unsigned int count)
-{
- struct mtdoops_context *cxt = co->data;
- struct mtd_info *mtd = cxt->mtd;
- int i, ret;
-
- if (!cxt->ready || !mtd)
- return;
-
- if (!oops_in_progress && cxt->writecount != 0) {
- size_t retlen;
- if (cxt->writecount < OOPS_PAGE_SIZE)
- memset(cxt->oops_buf + cxt->writecount, 0xff,
- OOPS_PAGE_SIZE - cxt->writecount);
-
- ret = mtd->write(mtd, cxt->nextpage * OOPS_PAGE_SIZE,
- OOPS_PAGE_SIZE, &retlen, cxt->oops_buf);
- cxt->ready = 0;
- cxt->writecount = 0;
-
- if ((retlen != OOPS_PAGE_SIZE) || (ret < 0))
- printk(KERN_ERR "mtdoops: Write failure at %d (%d of %d"
- " written), err %d.\n",
- cxt->nextpage * OOPS_PAGE_SIZE, retlen,
- OOPS_PAGE_SIZE, ret);
-
- ret = mtdoops_inc_counter(cxt);
- if (ret == 1)
- schedule_work(&cxt->work);
- }
-
- if (!oops_in_progress)
- return;
-
- if (cxt->writecount == 0) {
- u32 *stamp = cxt->oops_buf;
- *stamp = cxt->nextcount;
- cxt->writecount = 4;
- }
-
- if ((count + cxt->writecount) > OOPS_PAGE_SIZE)
- count = OOPS_PAGE_SIZE - cxt->writecount;
-
- for (i = 0; i < count; i++, s++)
- *((char *)(cxt->oops_buf) + cxt->writecount + i) = *s;
-
- cxt->writecount = cxt->writecount + count;
-}
-
-static int __init mtdoops_console_setup(struct console *co, char *options)
-{
- struct mtdoops_context *cxt = co->data;
-
- if (cxt->mtd_index != -1)
- return -EBUSY;
- if (co->index == -1)
- return -EINVAL;
-
- cxt->mtd_index = co->index;
- return 0;
-}
-
-static struct mtd_notifier mtdoops_notifier = {
- .add = mtdoops_notify_add,
- .remove = mtdoops_notify_remove,
-};
-
-static struct console mtdoops_console = {
- .name = "ttyMTD",
- .write = mtdoops_console_write,
- .setup = mtdoops_console_setup,
- .flags = CON_PRINTBUFFER,
- .index = -1,
- .data = &oops_cxt,
-};
-
-static int __init mtdoops_console_init(void)
-{
- struct mtdoops_context *cxt = &oops_cxt;
-
- cxt->mtd_index = -1;
- cxt->oops_buf = vmalloc(OOPS_PAGE_SIZE);
-
- if (!cxt->oops_buf) {
- printk(KERN_ERR "Failed to allocate oops buffer workspace\n");
- return -ENOMEM;
- }
-
- INIT_WORK(&cxt->work, mtdoops_workfunc);
-
- register_console(&mtdoops_console);
- register_mtd_user(&mtdoops_notifier);
- return 0;
-}
-
-static void __exit mtdoops_console_exit(void)
-{
- struct mtdoops_context *cxt = &oops_cxt;
-
- unregister_mtd_user(&mtdoops_notifier);
- unregister_console(&mtdoops_console);
- vfree(cxt->oops_buf);
-}
-
-
-subsys_initcall(mtdoops_console_init);
-module_exit(mtdoops_console_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>");
-MODULE_DESCRIPTION("MTD Oops/Panic console logger/driver");
diff --git a/target/linux/olpc/files/drivers/mtd/onenand/onenand_sim.c b/target/linux/olpc/files/drivers/mtd/onenand/onenand_sim.c
deleted file mode 100644
index b80667309..000000000
--- a/target/linux/olpc/files/drivers/mtd/onenand/onenand_sim.c
+++ /dev/null
@@ -1,495 +0,0 @@
-/*
- * linux/drivers/mtd/onenand/onenand_sim.c
- *
- * The OneNAND simulator
- *
- * Copyright © 2005-2007 Samsung Electronics
- * Kyungmin Park <kyungmin.park@samsung.com>
- *
- * 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/module.h>
-#include <linux/init.h>
-#include <linux/vmalloc.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/onenand.h>
-
-#include <linux/io.h>
-
-#ifndef CONFIG_ONENAND_SIM_MANUFACTURER
-#define CONFIG_ONENAND_SIM_MANUFACTURER 0xec
-#endif
-#ifndef CONFIG_ONENAND_SIM_DEVICE_ID
-#define CONFIG_ONENAND_SIM_DEVICE_ID 0x04
-#endif
-#ifndef CONFIG_ONENAND_SIM_VERSION_ID
-#define CONFIG_ONENAND_SIM_VERSION_ID 0x1e
-#endif
-
-static int manuf_id = CONFIG_ONENAND_SIM_MANUFACTURER;
-static int device_id = CONFIG_ONENAND_SIM_DEVICE_ID;
-static int version_id = CONFIG_ONENAND_SIM_VERSION_ID;
-
-struct onenand_flash {
- void __iomem *base;
- void __iomem *data;
-};
-
-#define ONENAND_CORE(flash) (flash->data)
-#define ONENAND_CORE_SPARE(flash, this, offset) \
- ((flash->data) + (this->chipsize) + (offset >> 5))
-
-#define ONENAND_MAIN_AREA(this, offset) \
- (this->base + ONENAND_DATARAM + offset)
-
-#define ONENAND_SPARE_AREA(this, offset) \
- (this->base + ONENAND_SPARERAM + offset)
-
-#define ONENAND_GET_WP_STATUS(this) \
- (readw(this->base + ONENAND_REG_WP_STATUS))
-
-#define ONENAND_SET_WP_STATUS(v, this) \
- (writew(v, this->base + ONENAND_REG_WP_STATUS))
-
-/* It has all 0xff chars */
-#define MAX_ONENAND_PAGESIZE (2048 + 64)
-static unsigned char *ffchars;
-
-static struct mtd_partition os_partitions[] = {
- {
- .name = "OneNAND simulator partition",
- .offset = 0,
- .size = MTDPART_SIZ_FULL,
- },
-};
-
-/*
- * OneNAND simulator mtd
- */
-struct onenand_info {
- struct mtd_info mtd;
- struct mtd_partition *parts;
- struct onenand_chip onenand;
- struct onenand_flash flash;
-};
-
-struct onenand_info *info;
-
-#define DPRINTK(format, args...) \
-do { \
- printk(KERN_DEBUG "%s[%d]: " format "\n", __func__, \
- __LINE__, ##args); \
-} while (0)
-
-/**
- * onenand_lock_handle - Handle Lock scheme
- * @param this OneNAND device structure
- * @param cmd The command to be sent
- *
- * Send lock command to OneNAND device.
- * The lock scheme is depends on chip type.
- */
-static void onenand_lock_handle(struct onenand_chip *this, int cmd)
-{
- int block_lock_scheme;
- int status;
-
- status = ONENAND_GET_WP_STATUS(this);
- block_lock_scheme = !(this->options & ONENAND_HAS_CONT_LOCK);
-
- switch (cmd) {
- case ONENAND_CMD_UNLOCK:
- if (block_lock_scheme)
- ONENAND_SET_WP_STATUS(ONENAND_WP_US, this);
- else
- ONENAND_SET_WP_STATUS(status | ONENAND_WP_US, this);
- break;
-
- case ONENAND_CMD_LOCK:
- if (block_lock_scheme)
- ONENAND_SET_WP_STATUS(ONENAND_WP_LS, this);
- else
- ONENAND_SET_WP_STATUS(status | ONENAND_WP_LS, this);
- break;
-
- case ONENAND_CMD_LOCK_TIGHT:
- if (block_lock_scheme)
- ONENAND_SET_WP_STATUS(ONENAND_WP_LTS, this);
- else
- ONENAND_SET_WP_STATUS(status | ONENAND_WP_LTS, this);
- break;
-
- default:
- break;
- }
-}
-
-/**
- * onenand_bootram_handle - Handle BootRAM area
- * @param this OneNAND device structure
- * @param cmd The command to be sent
- *
- * Emulate BootRAM area. It is possible to do basic operation using BootRAM.
- */
-static void onenand_bootram_handle(struct onenand_chip *this, int cmd)
-{
- switch (cmd) {
- case ONENAND_CMD_READID:
- writew(manuf_id, this->base);
- writew(device_id, this->base + 2);
- writew(version_id, this->base + 4);
- break;
-
- default:
- /* REVIST: Handle other commands */
- break;
- }
-}
-
-/**
- * onenand_update_interrupt - Set interrupt register
- * @param this OneNAND device structure
- * @param cmd The command to be sent
- *
- * Update interrupt register. The status is depends on command.
- */
-static void onenand_update_interrupt(struct onenand_chip *this, int cmd)
-{
- int interrupt = ONENAND_INT_MASTER;
-
- switch (cmd) {
- case ONENAND_CMD_READ:
- case ONENAND_CMD_READOOB:
- interrupt |= ONENAND_INT_READ;
- break;
-
- case ONENAND_CMD_PROG:
- case ONENAND_CMD_PROGOOB:
- interrupt |= ONENAND_INT_WRITE;
- break;
-
- case ONENAND_CMD_ERASE:
- interrupt |= ONENAND_INT_ERASE;
- break;
-
- case ONENAND_CMD_RESET:
- interrupt |= ONENAND_INT_RESET;
- break;
-
- default:
- break;
- }
-
- writew(interrupt, this->base + ONENAND_REG_INTERRUPT);
-}
-
-/**
- * onenand_check_overwrite - Check over-write if happend
- * @param dest The destination pointer
- * @param src The source pointer
- * @param count The length to be check
- * @return 0 on same, otherwise 1
- *
- * Compare the source with destination
- */
-static int onenand_check_overwrite(void *dest, void *src, size_t count)
-{
- unsigned int *s = (unsigned int *) src;
- unsigned int *d = (unsigned int *) dest;
- int i;
-
- count >>= 2;
- for (i = 0; i < count; i++)
- if ((*s++ ^ *d++) != 0)
- return 1;
-
- return 0;
-}
-
-/**
- * onenand_data_handle - Handle OneNAND Core and DataRAM
- * @param this OneNAND device structure
- * @param cmd The command to be sent
- * @param dataram Which dataram used
- * @param offset The offset to OneNAND Core
- *
- * Copy data from OneNAND Core to DataRAM (read)
- * Copy data from DataRAM to OneNAND Core (write)
- * Erase the OneNAND Core (erase)
- */
-static void onenand_data_handle(struct onenand_chip *this, int cmd,
- int dataram, unsigned int offset)
-{
- struct mtd_info *mtd = &info->mtd;
- struct onenand_flash *flash = this->priv;
- int main_offset, spare_offset;
- void __iomem *src;
- void __iomem *dest;
- unsigned int i;
-
- if (dataram) {
- main_offset = mtd->writesize;
- spare_offset = mtd->oobsize;
- } else {
- main_offset = 0;
- spare_offset = 0;
- }
-
- switch (cmd) {
- case ONENAND_CMD_READ:
- src = ONENAND_CORE(flash) + offset;
- dest = ONENAND_MAIN_AREA(this, main_offset);
- memcpy(dest, src, mtd->writesize);
- /* Fall through */
-
- case ONENAND_CMD_READOOB:
- src = ONENAND_CORE_SPARE(flash, this, offset);
- dest = ONENAND_SPARE_AREA(this, spare_offset);
- memcpy(dest, src, mtd->oobsize);
- break;
-
- case ONENAND_CMD_PROG:
- src = ONENAND_MAIN_AREA(this, main_offset);
- dest = ONENAND_CORE(flash) + offset;
- /* To handle partial write */
- for (i = 0; i < (1 << mtd->subpage_sft); i++) {
- int off = i * this->subpagesize;
- if (!memcmp(src + off, ffchars, this->subpagesize))
- continue;
- if (memcmp(dest + off, ffchars, this->subpagesize) &&
- onenand_check_overwrite(dest + off, src + off, this->subpagesize))
- printk(KERN_ERR "over-write happend at 0x%08x\n", offset);
- memcpy(dest + off, src + off, this->subpagesize);
- }
- /* Fall through */
-
- case ONENAND_CMD_PROGOOB:
- src = ONENAND_SPARE_AREA(this, spare_offset);
- /* Check all data is 0xff chars */
- if (!memcmp(src, ffchars, mtd->oobsize))
- break;
-
- dest = ONENAND_CORE_SPARE(flash, this, offset);
- if (memcmp(dest, ffchars, mtd->oobsize) &&
- onenand_check_overwrite(dest, src, mtd->oobsize))
- printk(KERN_ERR "OOB: over-write happend at 0x%08x\n",
- offset);
- memcpy(dest, src, mtd->oobsize);
- break;
-
- case ONENAND_CMD_ERASE:
- memset(ONENAND_CORE(flash) + offset, 0xff, mtd->erasesize);
- memset(ONENAND_CORE_SPARE(flash, this, offset), 0xff,
- (mtd->erasesize >> 5));
- break;
-
- default:
- break;
- }
-}
-
-/**
- * onenand_command_handle - Handle command
- * @param this OneNAND device structure
- * @param cmd The command to be sent
- *
- * Emulate OneNAND command.
- */
-static void onenand_command_handle(struct onenand_chip *this, int cmd)
-{
- unsigned long offset = 0;
- int block = -1, page = -1, bufferram = -1;
- int dataram = 0;
-
- switch (cmd) {
- case ONENAND_CMD_UNLOCK:
- case ONENAND_CMD_LOCK:
- case ONENAND_CMD_LOCK_TIGHT:
- case ONENAND_CMD_UNLOCK_ALL:
- onenand_lock_handle(this, cmd);
- break;
-
- case ONENAND_CMD_BUFFERRAM:
- /* Do nothing */
- return;
-
- default:
- block = (int) readw(this->base + ONENAND_REG_START_ADDRESS1);
- if (block & (1 << ONENAND_DDP_SHIFT)) {
- block &= ~(1 << ONENAND_DDP_SHIFT);
- /* The half of chip block */
- block += this->chipsize >> (this->erase_shift + 1);
- }
- if (cmd == ONENAND_CMD_ERASE)
- break;
-
- page = (int) readw(this->base + ONENAND_REG_START_ADDRESS8);
- page = (page >> ONENAND_FPA_SHIFT);
- bufferram = (int) readw(this->base + ONENAND_REG_START_BUFFER);
- bufferram >>= ONENAND_BSA_SHIFT;
- bufferram &= ONENAND_BSA_DATARAM1;
- dataram = (bufferram == ONENAND_BSA_DATARAM1) ? 1 : 0;
- break;
- }
-
- if (block != -1)
- offset += block << this->erase_shift;
-
- if (page != -1)
- offset += page << this->page_shift;
-
- onenand_data_handle(this, cmd, dataram, offset);
-
- onenand_update_interrupt(this, cmd);
-}
-
-/**
- * onenand_writew - [OneNAND Interface] Emulate write operation
- * @param value value to write
- * @param addr address to write
- *
- * Write OneNAND register with value
- */
-static void onenand_writew(unsigned short value, void __iomem * addr)
-{
- struct onenand_chip *this = info->mtd.priv;
-
- /* BootRAM handling */
- if (addr < this->base + ONENAND_DATARAM) {
- onenand_bootram_handle(this, value);
- return;
- }
- /* Command handling */
- if (addr == this->base + ONENAND_REG_COMMAND)
- onenand_command_handle(this, value);
-
- writew(value, addr);
-}
-
-/**
- * flash_init - Initialize OneNAND simulator
- * @param flash OneNAND simulaotr data strucutres
- *
- * Initialize OneNAND simulator.
- */
-static int __init flash_init(struct onenand_flash *flash)
-{
- int density, size;
- int buffer_size;
-
- flash->base = kzalloc(131072, GFP_KERNEL);
- if (!flash->base) {
- printk(KERN_ERR "Unable to allocate base address.\n");
- return -ENOMEM;
- }
-
- density = device_id >> ONENAND_DEVICE_DENSITY_SHIFT;
- size = ((16 << 20) << density);
-
- ONENAND_CORE(flash) = vmalloc(size + (size >> 5));
- if (!ONENAND_CORE(flash)) {
- printk(KERN_ERR "Unable to allocate nand core address.\n");
- kfree(flash->base);
- return -ENOMEM;
- }
-
- memset(ONENAND_CORE(flash), 0xff, size + (size >> 5));
-
- /* Setup registers */
- writew(manuf_id, flash->base + ONENAND_REG_MANUFACTURER_ID);
- writew(device_id, flash->base + ONENAND_REG_DEVICE_ID);
- writew(version_id, flash->base + ONENAND_REG_VERSION_ID);
-
- if (density < 2)
- buffer_size = 0x0400; /* 1KiB page */
- else
- buffer_size = 0x0800; /* 2KiB page */
- writew(buffer_size, flash->base + ONENAND_REG_DATA_BUFFER_SIZE);
-
- return 0;
-}
-
-/**
- * flash_exit - Clean up OneNAND simulator
- * @param flash OneNAND simulaotr data strucutres
- *
- * Clean up OneNAND simulator.
- */
-static void flash_exit(struct onenand_flash *flash)
-{
- vfree(ONENAND_CORE(flash));
- kfree(flash->base);
- kfree(flash);
-}
-
-static int __init onenand_sim_init(void)
-{
- /* Allocate all 0xff chars pointer */
- ffchars = kmalloc(MAX_ONENAND_PAGESIZE, GFP_KERNEL);
- if (!ffchars) {
- printk(KERN_ERR "Unable to allocate ff chars.\n");
- return -ENOMEM;
- }
- memset(ffchars, 0xff, MAX_ONENAND_PAGESIZE);
-
- /* Allocate OneNAND simulator mtd pointer */
- info = kzalloc(sizeof(struct onenand_info), GFP_KERNEL);
- if (!info) {
- printk(KERN_ERR "Unable to allocate core structures.\n");
- kfree(ffchars);
- return -ENOMEM;
- }
-
- /* Override write_word function */
- info->onenand.write_word = onenand_writew;
-
- if (flash_init(&info->flash)) {
- printk(KERN_ERR "Unable to allocat flash.\n");
- kfree(ffchars);
- kfree(info);
- return -ENOMEM;
- }
-
- info->parts = os_partitions;
-
- info->onenand.base = info->flash.base;
- info->onenand.priv = &info->flash;
-
- info->mtd.name = "OneNAND simulator";
- info->mtd.priv = &info->onenand;
- info->mtd.owner = THIS_MODULE;
-
- if (onenand_scan(&info->mtd, 1)) {
- flash_exit(&info->flash);
- kfree(ffchars);
- kfree(info);
- return -ENXIO;
- }
-
- add_mtd_partitions(&info->mtd, info->parts, ARRAY_SIZE(os_partitions));
-
- return 0;
-}
-
-static void __exit onenand_sim_exit(void)
-{
- struct onenand_chip *this = info->mtd.priv;
- struct onenand_flash *flash = this->priv;
-
- onenand_release(&info->mtd);
- flash_exit(flash);
- kfree(ffchars);
- kfree(info);
-}
-
-module_init(onenand_sim_init);
-module_exit(onenand_sim_exit);
-
-MODULE_AUTHOR("Kyungmin Park <kyungmin.park@samsung.com>");
-MODULE_DESCRIPTION("The OneNAND flash simulator");
-MODULE_LICENSE("GPL");
diff --git a/target/linux/olpc/files/drivers/video/geode/geode_regs.h b/target/linux/olpc/files/drivers/video/geode/geode_regs.h
deleted file mode 100644
index 9e75505a8..000000000
--- a/target/linux/olpc/files/drivers/video/geode/geode_regs.h
+++ /dev/null
@@ -1,242 +0,0 @@
-/* This header file defines the registers and suspend/resume
- structures for the Geode GX and LX. The lxfb driver defines
- _GEODELX_ before including this file, which will unlock the
- extra registers that are only valid for LX.
-*/
-
-#ifndef _GEODE_REGS_H_
-#define _GEODE_REGS_H_
-
-/* MSRs */
-
-#define GX_VP_MSR_PAD_SELECT 0xC0002011
-#define LX_VP_MSR_PAD_SELECT 0x48000011
-
-#define GEODE_MSR_GLCP_DOTPLL 0x4c000015
-
-#define GLCP_DOTPLL_RESET (1 << 0)
-#define GLCP_DOTPLL_BYPASS (1 << 15)
-#define GLCP_DOTPLL_HALFPIX (1 << 24)
-#define GLCP_DOTPLL_LOCK (1 << 25)
-
-/* Registers */
-#define VP_FP_START 0x400
-
-
-#ifdef _GEODELX_
-
-#define GP_REG_SIZE 0x7C
-#define DC_REG_SIZE 0xF0
-#define VP_REG_SIZE 0x158
-#define FP_REG_SIZE 0x70
-
-#else
-
-#define GP_REG_SIZE 0x50
-#define DC_REG_SIZE 0x90
-#define VP_REG_SIZE 0x138
-#define FP_REG_SIZE 0x70
-
-#endif
-
-#define DC_PAL_SIZE 0x105
-
-struct geoderegs {
-
- struct {
- u64 padsel;
- u64 dotpll;
-
-#ifdef _GEODELX_
- u64 dfglcfg;
- u64 dcspare;
-#else
- u64 rstpll;
-#endif
- } msr;
-
- union {
- unsigned char b[GP_REG_SIZE];
- struct {
- u32 dst_offset; /* 0x00 */
- u32 src_offset; /* 0x04 */
- u32 stride; /* 0x08 */
- u32 wid_height; /* 0x0C */
- u32 src_color_fg; /* 0x10 */
- u32 src_color_bg; /* 0x14 */
- u32 pat_color_0; /* 0x18 */
- u32 pat_color_1; /* 0x1C */
- u32 pat_color_2; /* 0x20 */
- u32 pat_color_3; /* 0x24 */
- u32 pat_color_4; /* 0x28 */
- u32 pat_color_5; /* 0x2C */
- u32 pat_data_0; /* 0x30 */
- u32 pat_data_1; /* 0x34 */
- u32 raster_mode; /* 0x38 */
- u32 vector_mode; /* 0x3C */
- u32 blt_mode; /* 0x40 */
- u32 blit_status; /* 0x4C */
- u32 hst_src; /* 0x48 */
- u32 base_offset; /* 0x4C */
-
-#ifdef _GEODELX_
- u32 cmd_top; /* 0x50 */
- u32 cmd_bot; /* 0x54 */
- u32 cmd_read; /* 0x58 */
- u32 cmd_write; /* 0x5C */
- u32 ch3_offset; /* 0x60 */
- u32 ch3_mode_str; /* 0x64 */
- u32 ch3_width; /* 0x68 */
- u32 ch3_hsrc; /* 0x6C */
- u32 lut_index; /* 0x70 */
- u32 lut_data; /* 0x74 */
- u32 int_cntrl; /* 0x78 */
-#endif
- } r;
- } gp;
-
- union {
- unsigned char b[DC_REG_SIZE];
-
- struct {
- u32 unlock; /* 0x00 */
- u32 gcfg; /* 0x04 */
- u32 dcfg; /* 0x08 */
- u32 arb; /* 0x0C */
- u32 fb_st_offset; /* 0x10 */
- u32 cb_st_offset; /* 0x14 */
- u32 curs_st_offset; /* 0x18 */
- u32 icon_st_offset; /* 0x1C */
- u32 vid_y_st_offset; /* 0x20 */
- u32 vid_u_st_offset; /* 0x24 */
- u32 vid_v_st_offset; /* 0x28 */
- u32 dctop; /* 0x2c */
- u32 line_size; /* 0x30 */
- u32 gfx_pitch; /* 0x34 */
- u32 vid_yuv_pitch; /* 0x38 */
- u32 rsvd2; /* 0x3C */
- u32 h_active_timing; /* 0x40 */
- u32 h_blank_timing; /* 0x44 */
- u32 h_sync_timing; /* 0x48 */
- u32 rsvd3; /* 0x4C */
- u32 v_active_timing; /* 0x50 */
- u32 v_blank_timing; /* 0x54 */
- u32 v_sync_timing; /* 0x58 */
- u32 fbactive; /* 0x5C */
- u32 dc_cursor_x; /* 0x60 */
- u32 dc_cursor_y; /* 0x64 */
- u32 dc_icon_x; /* 0x68 */
- u32 dc_line_cnt; /* 0x6C */
- u32 rsvd5; /* 0x70 - palette address */
- u32 rsvd6; /* 0x74 - palette data */
- u32 dfifo_diag; /* 0x78 */
- u32 cfifo_diag; /* 0x7C */
- u32 dc_vid_ds_delta; /* 0x80 */
- u32 gliu0_mem_offset; /* 0x84 */
- u32 dv_ctl; /* 0x88 - added by LX */
- u32 dv_acc; /* 0x8C */
-
-#ifdef _GEODELX_
- u32 gfx_scale;
- u32 irq_filt_ctl;
- u32 filt_coeff1;
- u32 filt_coeff2;
- u32 vbi_event_ctl;
- u32 vbi_odd_ctl;
- u32 vbi_hor;
- u32 vbi_ln_odd;
- u32 vbi_ln_event;
- u32 vbi_pitch;
- u32 clr_key;
- u32 clr_key_mask;
- u32 clr_key_x;
- u32 clr_key_y;
- u32 irq;
- u32 rsvd8;
- u32 genlk_ctrl;
- u32 vid_even_y_st_offset; /* 0xD8 */
- u32 vid_even_u_st_offset; /* 0xDC */
- u32 vid_even_v_st_offset; /* 0xE0 */
- u32 v_active_even_timing; /* 0xE4 */
- u32 v_blank_even_timing; /* 0xE8 */
- u32 v_sync_even_timing; /* 0xEC */
-#endif
- } r;
- } dc;
-
- union {
- unsigned char b[VP_REG_SIZE];
-
- struct {
- u64 vcfg; /* 0x00 */
- u64 dcfg; /* 0x08 */
- u64 vx; /* 0x10 */
- u64 vy; /* 0x18 */
- u64 vs; /* 0x20 */
- u64 vck; /* 0x28 */
- u64 vcm; /* 0x30 */
- u64 rsvd1; /* 0x38 - Gamma address*/
- u64 rsvd2; /* 0x40 - Gamma data*/
- u64 rsvd3; /* 0x48 */
- u64 misc; /* 0x50 */
- u64 ccs; /* 0x58 */
- u64 rsvd4[3]; /* 0x60-0x70 */
- u64 vdc; /* 0x78 */
- u64 vco; /* 0x80 */
- u64 crc; /* 0x88 */
- u64 crc32; /* 0x90 */
- u64 vde; /* 0x98 */
- u64 cck; /* 0xA0 */
- u64 ccm; /* 0xA8 */
- u64 cc1; /* 0xB0 */
- u64 cc2; /* 0xB8 */
- u64 a1x; /* 0xC0 */
- u64 a1y; /* 0xC8 */
- u64 a1c; /* 0xD0 */
- u64 a1t; /* 0xD8 */
- u64 a2x; /* 0xE0 */
- u64 a2y; /* 0xE8 */
- u64 a2c; /* 0xF0 */
- u64 a2t; /* 0xF8 */
- u64 a3x; /* 0x100 */
- u64 a3y; /* 0x108 */
- u64 a3c; /* 0x110 */
- u64 a3t; /* 0x118 */
- u64 vrr; /* 0x120 */
- u64 awt; /* 0x128 */
- u64 vtm; /* 0x130 */
-#ifdef _GEODELX_
- u64 vye; /* 0x138 */
- u64 a1ye; /* 0x140 */
- u32 a2ye; /* 0x148 */
- u32 a3ye; /* 0x150 */
-#endif
- } r;
- } vp;
-
- union {
- unsigned char b[FP_REG_SIZE];
-
- struct {
- u64 pt1; /* 0x400 */
- u64 pt2; /* 0x408 */
- u64 pm; /* 0x410 */
- u64 dfc; /* 0x418 */
- u64 blfsr; /* 0x420 */
- u64 rlfsr; /* 0x428 */
- u64 fmi; /* 0x430 */
- u64 fmd; /* 0x438 */
- u64 rsvd; /* 0x440 */
- u64 dca; /* 0x448 */
- u64 dmd; /* 0x450 */
- u64 crc; /* 0x458 */
- u64 fbb; /* 0x460 */
- u64 crc32; /* 0x468 */
- } r;
- } fp;
-
- u32 pal[DC_PAL_SIZE];
- u32 gamma[256];
-};
-
-#endif
diff --git a/target/linux/olpc/files/drivers/video/geode/suspend_gx.c b/target/linux/olpc/files/drivers/video/geode/suspend_gx.c
deleted file mode 100644
index 43c25bea5..000000000
--- a/target/linux/olpc/files/drivers/video/geode/suspend_gx.c
+++ /dev/null
@@ -1,272 +0,0 @@
-#include <linux/fb.h>
-#include <asm/io.h>
-#include <asm/msr.h>
-
-#include "geodefb.h"
-#include "video_gx.h"
-
-void gx_set_dotpll(struct fb_info *info, struct geoderegs *regs)
-{
- int timeout = 1000;
-
- u64 rstpll, dotpll;
-
- rdmsrl(MSR_GLCP_SYS_RSTPLL, rstpll);
- rdmsrl(MSR_GLCP_DOTPLL, dotpll);
-
- dotpll &= 0x00000000ffffffffull;
- dotpll |= regs->msr.dotpll & 0xffffffff00000000ull;
-
- dotpll |= MSR_GLCP_DOTPLL_DOTRESET;
- dotpll &= ~MSR_GLCP_DOTPLL_BYPASS;
-
- wrmsrl(MSR_GLCP_DOTPLL, dotpll);
-
- rstpll |= (regs->msr.rstpll &
- ( MSR_GLCP_SYS_RSTPLL_DOTPREDIV2 |
- MSR_GLCP_SYS_RSTPLL_DOTPREMULT2 |
- MSR_GLCP_SYS_RSTPLL_DOTPOSTDIV3));
-
- wrmsrl(MSR_GLCP_SYS_RSTPLL, rstpll);
- dotpll &= ~(MSR_GLCP_DOTPLL_DOTRESET);
- wrmsrl(MSR_GLCP_DOTPLL, dotpll);
-
- do {
- rdmsrl(MSR_GLCP_DOTPLL, dotpll);
- } while (timeout-- && !(dotpll & MSR_GLCP_DOTPLL_LOCK));
-}
-
-/* FIXME: Make sure nothing is read to clear */
-
-void gx_save_regs(struct fb_info *info, struct geoderegs *regs)
-{
- struct geodefb_par *par = info->par;
- int i;
-
- /* Wait for the BLT engine to stop being busy */
- while(readl(par->gp_regs + 0x44) & 0x05);
-
- rdmsrl(GX_VP_MSR_PAD_SELECT, regs->msr.padsel);
- rdmsrl(MSR_GLCP_DOTPLL, regs->msr.dotpll);
- rdmsrl(MSR_GLCP_SYS_RSTPLL, regs->msr.rstpll);
-
- writel(0x4758, par->dc_regs + 0x00);
-
- memcpy(regs->gp.b, par->gp_regs, GP_REG_SIZE);
- memcpy(regs->dc.b, par->dc_regs, DC_REG_SIZE);
- memcpy(regs->vp.b, par->vid_regs, VP_REG_SIZE);
- memcpy(regs->fp.b, par->vid_regs + 0x400, FP_REG_SIZE);
-
- /* Save the palettes */
- writel(0, par->dc_regs + 0x70);
-
- for(i = 0; i < DC_PAL_SIZE; i++)
- regs->pal[i] = readl(par->dc_regs + 0x74);
-
- writel(0, par->vid_regs + 0x38);
-
- for(i = 0; i < 0xFF; i++)
- regs->gamma[i] = readl(par->vid_regs + 0x40);
-}
-
-void gx_restore_regs(struct fb_info *info, struct geoderegs *regs)
-{
- struct geodefb_par *par = info->par;
- u32 val, i;
-
- /* DOTPLL */
- gx_set_dotpll(info, regs);
-
- /* GP */
-
- writel(regs->gp.r.dst_offset, par->gp_regs + 0x00);
- writel(regs->gp.r.src_offset, par->gp_regs + 0x04);
- writel(regs->gp.r.stride, par->gp_regs + 0x08);
- writel(regs->gp.r.wid_height, par->gp_regs + 0x0C);
- writel(regs->gp.r.src_color_fg, par->gp_regs + 0x10);
- writel(regs->gp.r.src_color_bg, par->gp_regs + 0x14);
- writel(regs->gp.r.pat_color_0, par->gp_regs + 0x18);
- writel(regs->gp.r.pat_color_1, par->gp_regs + 0x1C);
- writel(regs->gp.r.pat_color_2, par->gp_regs + 0x20);
- writel(regs->gp.r.pat_color_3, par->gp_regs + 0x24);
- writel(regs->gp.r.pat_color_4, par->gp_regs + 0x28);
- writel(regs->gp.r.pat_color_5, par->gp_regs + 0x2C);
- writel(regs->gp.r.pat_data_0, par->gp_regs + 0x30);
- writel(regs->gp.r.pat_data_1, par->gp_regs + 0x34);
-
- /* Don't write the raster / vector / blt mode regs */
- /* status register is read only */
-
- writel(regs->gp.r.hst_src, par->gp_regs + 0x48);
- writel(regs->gp.r.base_offset, par->gp_regs + 0x4c);
-
- /* DC */
-
- /* Write the unlock value */
- writel(0x4758, par->dc_regs + 0x00);
-
- writel(0, par->dc_regs + 0x70);
-
- for(i = 0; i < DC_PAL_SIZE; i++)
- writel(regs->pal[i], par->dc_regs + 0x74);
-
- /* Write the gcfg register without the enables */
- writel(regs->dc.r.gcfg & ~0x0F, par->dc_regs + 0x04);
-
- /* Write the vcfg register without the enables */
- writel(regs->dc.r.dcfg & ~0x19, par->dc_regs + 0x08);
-
- /* Write the rest of the active registers */
-
- writel(regs->dc.r.fb_st_offset, par->dc_regs + 0x10);
- writel(regs->dc.r.cb_st_offset, par->dc_regs + 0x14);
- writel(regs->dc.r.curs_st_offset, par->dc_regs + 0x18);
- writel(regs->dc.r.icon_st_offset, par->dc_regs + 0x1C);
- writel(regs->dc.r.vid_y_st_offset, par->dc_regs + 0x20);
- writel(regs->dc.r.vid_u_st_offset, par->dc_regs + 0x24);
- writel(regs->dc.r.vid_v_st_offset, par->dc_regs + 0x28);
- writel(regs->dc.r.line_size, par->dc_regs + 0x30);
- writel(regs->dc.r.gfx_pitch, par->dc_regs + 0x34);
- writel(regs->dc.r.vid_yuv_pitch, par->dc_regs + 0x38);
- writel(regs->dc.r.h_active_timing, par->dc_regs + 0x40);
- writel(regs->dc.r.h_blank_timing, par->dc_regs + 0x44);
- writel(regs->dc.r.h_sync_timing, par->dc_regs + 0x48);
- writel(regs->dc.r.v_active_timing, par->dc_regs + 0x50);
- writel(regs->dc.r.v_blank_timing, par->dc_regs + 0x54);
- writel(regs->dc.r.v_sync_timing, par->dc_regs + 0x58);
- writel(regs->dc.r.dc_cursor_x, par->dc_regs + 0x60);
- writel(regs->dc.r.dc_cursor_y, par->dc_regs + 0x64);
- writel(regs->dc.r.dc_icon_x, par->dc_regs + 0x68);
-
- /* Don't write the line_cnt or diag registers */
-
- writel(regs->dc.r.dc_vid_ds_delta, par->dc_regs + 0x80);
- writel(regs->dc.r.gliu0_mem_offset, par->dc_regs + 0x84);
- writel(regs->dc.r.dv_acc, par->dc_regs + 0x8C);
-
- /* VP */
-
- /* MSR */
- wrmsrl(GX_VP_MSR_PAD_SELECT, regs->msr.padsel);
-
- writel(0, par->vid_regs + 0x38);
-
- for(i = 0; i < 0xFF; i++)
- writel((u32) regs->gamma[i], par->vid_regs + 0x40);
-
- /* Don't enable video yet */
- writel((u32) regs->vp.r.vcfg & ~0x01, par->vid_regs + 0x00);
-
- /* Don't enable the CRT yet */
- writel((u32) regs->vp.r.dcfg & ~0x0F, par->vid_regs + 0x08);
-
- /* Write the rest of the VP registers */
-
- writel((u32) regs->vp.r.vx, par->vid_regs + 0x10);
- writel((u32) regs->vp.r.vy, par->vid_regs + 0x18);
- writel((u32) regs->vp.r.vs, par->vid_regs + 0x20);
- writel((u32) regs->vp.r.vck, par->vid_regs + 0x28);
- writel((u32) regs->vp.r.vcm, par->vid_regs + 0x30);
- writel((u32) regs->vp.r.misc, par->vid_regs + 0x50);
- writel((u32) regs->vp.r.ccs, par->vid_regs + 0x58);
- writel((u32) regs->vp.r.vdc, par->vid_regs + 0x78);
- writel((u32) regs->vp.r.vco, par->vid_regs + 0x80);
- writel((u32) regs->vp.r.crc, par->vid_regs + 0x88);
- writel((u32) regs->vp.r.vde, par->vid_regs + 0x98);
- writel((u32) regs->vp.r.cck, par->vid_regs + 0xA0);
- writel((u32) regs->vp.r.ccm, par->vid_regs + 0xA8);
- writel((u32) regs->vp.r.cc1, par->vid_regs + 0xB0);
- writel((u32) regs->vp.r.cc2, par->vid_regs + 0xB8);
- writel((u32) regs->vp.r.a1x, par->vid_regs + 0xC0);
- writel((u32) regs->vp.r.a1y, par->vid_regs + 0xC8);
- writel((u32) regs->vp.r.a1c, par->vid_regs + 0xD0);
- writel((u32) regs->vp.r.a1t, par->vid_regs + 0xD8);
- writel((u32) regs->vp.r.a2x, par->vid_regs + 0xE0);
- writel((u32) regs->vp.r.a2y, par->vid_regs + 0xE8);
- writel((u32) regs->vp.r.a2c, par->vid_regs + 0xF0);
- writel((u32) regs->vp.r.a2t, par->vid_regs + 0xF8);
- writel((u32) regs->vp.r.a3x, par->vid_regs + 0x100);
- writel((u32) regs->vp.r.a3y, par->vid_regs + 0x108);
- writel((u32) regs->vp.r.a3c, par->vid_regs + 0x110);
- writel((u32) regs->vp.r.a3t, par->vid_regs + 0x118);
- writel((u32) regs->vp.r.vrr, par->vid_regs + 0x120);
-
-
- /* FP registers */
-
- writel((u32) regs->fp.r.pt1, par->vid_regs + 0x400);
- writel((u32) regs->fp.r.pt2, par->vid_regs + 0x408);
-
- writel((u32) regs->fp.r.dfc, par->vid_regs + 0x418);
- writel(regs->fp.r.blfsr, par->vid_regs + 0x420);
- writel(regs->fp.r.rlfsr, par->vid_regs + 0x428);
- writel(regs->fp.r.fmi, par->vid_regs + 0x430);
- writel(regs->fp.r.fmd, par->vid_regs + 0x438);
- writel(regs->fp.r.dca, par->vid_regs + 0x448);
- writel(regs->fp.r.dmd, par->vid_regs + 0x450);
- writel(regs->fp.r.crc, par->vid_regs + 0x458);
- writel(regs->fp.r.fbb, par->vid_regs + 0x460);
-
- /* Final enables */
-
- val = readl(par->vid_regs + 0x410);
-
- /* Control the panel */
- if (regs->fp.r.pm & (1 << 24)) {
-
- if (!(val & 0x09))
- writel(regs->fp.r.pm, par->vid_regs + 0x410);
- }
- else {
- if (!(val & 0x05))
- writel(regs->fp.r.pm, par->vid_regs + 0x410);
- }
-
- /* Turn everything on */
-
- writel(regs->dc.r.gcfg, par->dc_regs + 0x04);
- writel((u32) regs->vp.r.vcfg, par->vid_regs + 0x00);
- writel((u32) regs->vp.r.dcfg, par->vid_regs + 0x08);
- writel(regs->dc.r.dcfg, par->dc_regs + 0x08);
-}
-
-
-#ifdef DEBUG
-
-void dump_regs(struct fb_info *info, int mode) {
-
- struct geodefb_par *par = info->par;
- u32 val;
- int i;
-
- if (mode == 0) {
- for(i = 0; i < GP_REG_SIZE; i += 4) {
- val = readl(par->gp_regs + i);
- }
- }
-
- if (mode == 1) {
- writel(0x4758, par->dc_regs + 0x00);
-
- for(i = 0; i < DC_REG_SIZE; i += 4) {
- val = readl(par->dc_regs + i);
- printk("DC%x: %x\n", i, val);
- }
- }
-
- if (mode == 2) {
- for(i = 0; i < VP_REG_SIZE; i += 8) {
- val = readl(par->vid_regs + i);
- printk("VP%x: %x\n", i, val);
- }
- }
-
- if (mode == 3) {
- for(i = 0; i < FP_REG_SIZE; i += 8) {
- val = readl(par->vid_regs + 0x400 + i);
- printk("FP%x: %x\n", i, val);
- }
- }
-}
-
-#endif
diff --git a/target/linux/olpc/files/drivers/video/olpc_dcon.c b/target/linux/olpc/files/drivers/video/olpc_dcon.c
deleted file mode 100644
index d4ef13867..000000000
--- a/target/linux/olpc/files/drivers/video/olpc_dcon.c
+++ /dev/null
@@ -1,824 +0,0 @@
-/*
- * Mainly by David Woodhouse, somewhat modified by Jordan Crouse
- *
- * Copyright © 2006-2007 Red Hat, Inc.
- * Copyright © 2006-2007 Advanced Micro Devices, Inc.
- *
- * This program is free software. You can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- */
-
-
-#include <linux/kernel.h>
-#include <linux/fb.h>
-#include <linux/i2c.h>
-#include <linux/platform_device.h>
-#include <linux/i2c-id.h>
-#include <linux/pci.h>
-#include <linux/vt_kern.h>
-#include <linux/pci_ids.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-#include <linux/backlight.h>
-#include <linux/device.h>
-#include <asm/uaccess.h>
-#include <linux/ctype.h>
-#include <linux/reboot.h>
-#include <asm/tsc.h>
-#include <asm/olpc.h>
-
-#include "olpc_dcon.h"
-
-/* Module definitions */
-
-static int resumeline = 898;
-module_param(resumeline, int, 0444);
-
-static int noinit;
-module_param(noinit, int, 0444);
-
-/* Default off since it doesn't work on DCON ASIC in B-test OLPC board */
-static int useaa = 1;
-module_param(useaa, int, 0444);
-
-/* I2C structures */
-
-static struct i2c_driver dcon_driver;
-static struct i2c_client *dcon_client;
-
-/* Platform devices */
-static struct platform_device *dcon_device;
-
-/* Backlight device */
-static struct backlight_device *dcon_bl_dev;
-
-/* Base address of the GPIO registers */
-static unsigned long gpio_base;
-
-static struct fb_info *fbinfo;
-
-/* Current source, initialized at probe time */
-static int dcon_source;
-
-/* Desired source */
-static int dcon_pending;
-
-/* Current output type */
-static int dcon_output = DCON_OUTPUT_COLOR;
-
-/* Current sleep status (not yet implemented) */
-static int dcon_sleep_val = DCON_ACTIVE;
-
-/* Shadow register for the DCON_REG_MODE register */
-static unsigned short dcon_disp_mode;
-
-/* Variables used during switches */
-static int dcon_switched;
-
-static DECLARE_WAIT_QUEUE_HEAD(dcon_wait_queue);
-
-static unsigned short normal_i2c[] = { 0x0D, I2C_CLIENT_END };
-I2C_CLIENT_INSMOD;
-
-#define dcon_write(reg,val) i2c_smbus_write_word_data(dcon_client,reg,val)
-#define dcon_read(reg) i2c_smbus_read_word_data(dcon_client,reg)
-
-/* The current backlight value - this saves us some smbus traffic */
-static int bl_val = -1;
-
-/* ===== API functions - these are called by a variety of users ==== */
-
-/* Backlight notes - turning off the backlight enable bit in the DCON
- * doesn't save us any power over just pushing the BL to zero, so we
- * don't use that bit in this code.
- */
-
-static int dcon_get_backlight(void)
-{
- if (dcon_client == NULL)
- return 0;
-
- if (bl_val == -1)
- bl_val = dcon_read(DCON_REG_BRIGHT) & 0x0F;
-
- return bl_val;
-}
-
-static void dcon_set_backlight(int level)
-{
- if (dcon_client == NULL)
- return;
-
- if (bl_val == (level & 0x0F))
- return;
-
- bl_val = level & 0x0F;
- dcon_write(DCON_REG_BRIGHT, bl_val);
-
- /* Purposely turn off the backlight when we go to level 0 */
-
- if (bl_val == 0) {
- dcon_disp_mode &= ~MODE_BL_ENABLE;
- dcon_write(DCON_REG_MODE, dcon_disp_mode);
- }
- else if (!(dcon_disp_mode & MODE_BL_ENABLE)) {
- dcon_disp_mode |= MODE_BL_ENABLE;
- dcon_write(DCON_REG_MODE, dcon_disp_mode);
- }
-}
-
-/* Set the output type to either color or mono */
-
-static int dcon_set_output(int arg)
-{
- if (dcon_output == arg)
- return 0;
-
- dcon_output = arg;
-
- if (arg == DCON_OUTPUT_MONO) {
- dcon_disp_mode &= ~(MODE_CSWIZZLE | MODE_COL_AA);
- dcon_disp_mode |= MODE_MONO_LUMA;
- }
- else {
- dcon_disp_mode &= ~(MODE_MONO_LUMA);
- dcon_disp_mode |= MODE_CSWIZZLE;
- if (useaa)
- dcon_disp_mode |= MODE_COL_AA;
- }
-
- dcon_write(DCON_REG_MODE, dcon_disp_mode);
- return 0;
-}
-
-/* For now, this will be really stupid - we need to address how
- * DCONLOAD works in a sleep and account for it accordingly
- */
-
-static void dcon_sleep(int state)
-{
- /* Turn off the backlight and put the DCON to sleep */
-
- if (state == dcon_sleep_val)
- return;
-
- if (state == DCON_SLEEP) {
- dcon_disp_mode &= ~MODE_BL_ENABLE;
- dcon_disp_mode |= MODE_SLEEP;
- }
- else {
- /* Only re-enable the backlight if the backlight value is set */
-
- if (bl_val != 0)
- dcon_disp_mode |= MODE_BL_ENABLE;
-
- dcon_disp_mode &= ~MODE_SLEEP;
- }
-
- dcon_sleep_val = state;
- dcon_write(DCON_REG_MODE, dcon_disp_mode);
-
- /* We should turn off some stuff in the framebuffer - but what? */
-}
-
-/* Set the source of the display (CPU or DCON) */
-
-static void dcon_source_switch(struct work_struct *work)
-{
- DECLARE_WAITQUEUE(wait, current);
- int source = dcon_pending;
-
- if (dcon_source == source)
- return;
-
- dcon_switched = 0;
-
- switch (source) {
- case DCON_SOURCE_CPU:
-
- /* Enable the scanline interrupt bit */
- if (dcon_write(DCON_REG_MODE, dcon_disp_mode | MODE_SCAN_INT))
- printk(KERN_ERR "olpc-dcon: couldn't enable scanline interrupt!\n");
- else {
- /* Wait up to one second for the scanline interrupt */
- wait_event_timeout(dcon_wait_queue, dcon_switched == 1, HZ);
- }
-
- if (!dcon_switched)
- printk(KERN_ERR "olpc-dcon: Timeout entering CPU mode; expect a screen glitch.\n");
-
- /*
- * Ideally we'd like to disable interrupts here so that the
- * fb_powerup and DCON turn on happen at a known time value;
- * however, we can't do that right now with fb_set_suspend
- * messing with semaphores.
- *
- * For now, we just hope..
- */
- if (fb_powerup(fbinfo)) {
- printk(KERN_ERR "olpc-dcon: Failed to enter CPU mode\n");
- dcon_pending = DCON_SOURCE_DCON;
- return;
- }
-
- /* And turn off the DCON */
- outl(1<<11, gpio_base + GPIOx_OUT_VAL);
-
- /* Turn off the scanline interrupt */
- if (dcon_write(DCON_REG_MODE, dcon_disp_mode))
- printk(KERN_ERR "olpc-dcon: couldn't disable scanline interrupt!\n");
-
- printk(KERN_INFO "olpc-dcon: The CPU has control\n");
- break;
- case DCON_SOURCE_DCON:
- {
- int t;
-
- add_wait_queue(&dcon_wait_queue, &wait);
- set_current_state(TASK_UNINTERRUPTIBLE);
-
- /* Clear GPIO11 (DCONLOAD) - this implies that the DCON is in
- control */
-
- outl(1 << (11 + 16), gpio_base + GPIOx_OUT_VAL);
-
- t = schedule_timeout(HZ/2);
- remove_wait_queue(&dcon_wait_queue, &wait);
- set_current_state(TASK_RUNNING);
-
- if (!dcon_switched)
- printk(KERN_ERR "olpc-dcon: Timeout entering DCON mode; expect a screen glitch.\n");
-
- /* Turn off the graphics engine completely */
- fb_powerdown(fbinfo);
-
- printk(KERN_INFO "olpc-dcon: The DCON has control\n");
- break;
- }
- default:
- BUG();
- }
-
- dcon_source = source;
-}
-
-static DECLARE_WORK(dcon_work, dcon_source_switch);
-
-static int dcon_set_source(int arg)
-{
- if (arg != DCON_SOURCE_CPU && arg != DCON_SOURCE_DCON)
- return -EINVAL;
-
- if (dcon_pending == arg)
- return 0;
-
- dcon_pending = arg;
- if ((dcon_source != arg) && !work_pending(&dcon_work))
- schedule_work(&dcon_work);
-
- return 0;
-}
-
-static int dcon_set_source_sync(int arg)
-{
- int ret = dcon_set_source(arg);
- if (!ret)
- flush_scheduled_work();
- return ret;
-}
-
-static int dconbl_set(struct backlight_device *dev) {
-
- int level = dev->props.brightness;
-
- if (dev->props.power != FB_BLANK_UNBLANK)
- level = 0;
-
- dcon_set_backlight(level);
- return 0;
-}
-
-static int dconbl_get(struct backlight_device *dev) {
- return dcon_get_backlight();
-}
-
-static ssize_t dcon_mode_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "%4.4X\n", dcon_disp_mode);
-}
-
-static ssize_t dcon_sleep_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "%d\n", dcon_sleep_val);
-}
-
-static ssize_t /* __deprecated */ dcon_source_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- printk(KERN_WARNING "olpc-dcon: using deprecated sysfs 'source' interface; use 'freeze' instead!\n");
- return sprintf(buf, "%d\n", dcon_source);
-}
-
-static ssize_t dcon_freeze_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "%d\n", dcon_source == DCON_SOURCE_DCON ? 1 : 0);
-}
-
-static ssize_t dcon_output_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "%d\n", dcon_output);
-}
-
-static ssize_t dcon_resumeline_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "%d\n", resumeline);
-}
-
-static int _strtoul(const char *buf, int len, unsigned int *val)
-{
-
- char *endp;
- unsigned int output = simple_strtoul(buf, &endp, 0);
- int size = endp - buf;
-
- if (*endp && isspace(*endp))
- size++;
-
- if (size != len)
- return -EINVAL;
-
- *val = output;
- return 0;
-}
-
-static ssize_t dcon_output_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- int output;
- int rc = -EINVAL;
-
- if (_strtoul(buf, count, &output))
- return -EINVAL;
-
- if (output == DCON_OUTPUT_COLOR || output == DCON_OUTPUT_MONO) {
- dcon_set_output(output);
- rc = count;
- }
-
- return rc;
-}
-
-static ssize_t /* __deprecated */ dcon_source_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- int output;
- int rc = -EINVAL;
-
- printk(KERN_WARNING "olpc-dcon: using deprecated sysfs 'source' interface; use 'freeze' instead!\n");
- if (_strtoul(buf, count, &output))
- return -EINVAL;
-
- dcon_set_source(output);
- rc = count;
-
- return rc;
-}
-
-static ssize_t dcon_freeze_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- int output;
- int rc = -EINVAL;
-
- if (_strtoul(buf, count, &output))
- return rc;
-
- dcon_set_source(output ? DCON_SOURCE_DCON : DCON_SOURCE_CPU);
- rc = count;
-
- return rc;
-}
-
-static ssize_t dcon_resumeline_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- int rl;
- int rc = -EINVAL;
-
- if (_strtoul(buf, count, &rl))
- return rc;
-
- resumeline = rl;
- dcon_write(DCON_REG_SCAN_INT, resumeline);
- rc = count;
-
- return rc;
-}
-
-static ssize_t dcon_sleep_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- int output;
-
- if (_strtoul(buf, count, &output))
- return -EINVAL;
-
- dcon_sleep(output ? DCON_SLEEP : DCON_ACTIVE);
- return count;
-}
-
-static struct device_attribute dcon_device_files[] = {
- __ATTR(mode, 0444, dcon_mode_show, NULL),
- __ATTR(sleep, 0644, dcon_sleep_show, dcon_sleep_store),
- __ATTR(source, 0644, dcon_source_show, dcon_source_store),
- __ATTR(freeze, 0644, dcon_freeze_show, dcon_freeze_store),
- __ATTR(output, 0644, dcon_output_show, dcon_output_store),
- __ATTR(resumeline, 0644, dcon_resumeline_show, dcon_resumeline_store),
-};
-
-static struct backlight_ops dcon_bl_ops = {
- .get_brightness = dconbl_get,
- .update_status = dconbl_set
-};
-
-/* List of GPIOs that we care about:
- (in) GPIO12 -- DCONBLNK
- (in) GPIO[56] -- DCONSTAT[01]
- (out) GPIO11 -- DCONLOAD
-*/
-
-#define IN_GPIOS ((1<<5) | (1<<6) | (1<<7) | (1<<12))
-#define OUT_GPIOS (1<<11)
-
-static irqreturn_t dcon_interrupt(int, void *);
-
-static int dcon_request_irq(void)
-{
- unsigned long lo, hi;
- unsigned char lob;
-
- rdmsr(MSR_LBAR_GPIO, lo, hi);
-
- /* Check the mask and whether GPIO is enabled (sanity check) */
- if (hi != 0x0000f001) {
- printk(KERN_ERR "GPIO not enabled -- cannot use DCON\n");
- return -ENODEV;
- }
-
- /* Mask off the IO base address */
- gpio_base = lo & 0x0000ff00;
-
- /* Turn off the event enable for GPIO7 just to be safe */
- outl(1 << (16+7), gpio_base + GPIOx_EVNT_EN);
-
- /* Set the directions for the GPIO pins */
- outl(OUT_GPIOS | (IN_GPIOS << 16), gpio_base + GPIOx_OUT_EN);
- outl(IN_GPIOS | (OUT_GPIOS << 16), gpio_base + GPIOx_IN_EN);
-
- /* Set up the interrupt mappings */
-
- /* Set the IRQ to pair 2 */
- geode_gpio_event_irq(OLPC_GPIO_DCON_IRQ, 2);
-
- /* Enable group 2 to trigger the DCON interrupt */
- geode_gpio_set_irq(2, DCON_IRQ);
-
- /* Select edge level for interrupt (in PIC) */
-
- lob = inb(0x4d0);
- lob &= ~(1 << DCON_IRQ);
- outb(lob, 0x4d0);
-
- /* Register the interupt handler */
- if (request_irq(DCON_IRQ, &dcon_interrupt, 0, "DCON", &dcon_driver))
- return -EIO;
-
- /* Clear INV_EN for GPIO7 (DCONIRQ) */
- outl((1<<(16+7)), gpio_base + GPIOx_INV_EN);
-
- /* Enable filter for GPIO12 (DCONBLANK) */
- outl(1<<(12), gpio_base + GPIOx_IN_FLTR_EN);
-
- /* Disable filter for GPIO7 */
- outl(1<<(16+7), gpio_base + GPIOx_IN_FLTR_EN);
-
- /* Disable event counter for GPIO7 (DCONIRQ) and GPIO12 (DCONBLANK) */
-
- outl(1<<(16+7), gpio_base + GPIOx_EVNTCNT_EN);
- outl(1<<(16+12), gpio_base + GPIOx_EVNTCNT_EN);
-
- /* Add GPIO12 to the Filter Event Pair #7 */
- outb(12, gpio_base + GPIO_FE7_SEL);
-
- /* Turn off negative Edge Enable for GPIO12 */
- outl(1<<(16+12), gpio_base + GPIOx_NEGEDGE_EN);
-
- /* Enable negative Edge Enable for GPIO7 */
- outl(1<<7, gpio_base + GPIOx_NEGEDGE_EN);
-
- /* Zero the filter amount for Filter Event Pair #7 */
- outw(0, gpio_base + GPIO_FLT7_AMNT);
-
- /* Clear the negative edge status for GPIO7 and GPIO12 */
- outl((1<<7) | (1<<12), gpio_base+0x4c);
-
- /* FIXME: Clear the posiitive status as well, just to be sure */
- outl((1<<7) | (1<<12), gpio_base+0x48);
-
- /* Enable events for GPIO7 (DCONIRQ) and GPIO12 (DCONBLANK) */
- outl((1<<(7))|(1<<12), gpio_base + GPIOx_EVNT_EN);
-
- /* Determine the current state by reading the GPIO bit */
- /* Earlier stages of the boot process have established the state */
- dcon_source = inl(gpio_base + GPIOx_OUT_VAL) & (1<<11)
- ? DCON_SOURCE_CPU
- : DCON_SOURCE_DCON;
- dcon_pending = dcon_source;
-
- return 0;
-}
-
-static int dcon_reboot_notify(struct notifier_block *nb, unsigned long foo, void *bar)
-{
- if (dcon_client == NULL)
- return 0;
-
- /* Turn off the DCON. Entirely. */
- dcon_write(DCON_REG_MODE, 0x39);
- dcon_write(DCON_REG_MODE, 0x32);
- return 0;
-}
-
-static int dcon_conswitch_notify(struct notifier_block *nb,
- unsigned long mode, void *dummy)
-{
- if (mode == CONSOLE_EVENT_SWITCH_TEXT)
- dcon_sleep(DCON_ACTIVE);
-
- return 0;
-}
-
-static struct notifier_block dcon_nb = {
- .notifier_call = dcon_reboot_notify,
- .priority = -1,
-};
-
-static struct notifier_block dcon_console_nb = {
- .notifier_call = dcon_conswitch_notify,
- .priority = -1,
-};
-
-static int dcon_probe(struct i2c_adapter *adap, int addr, int kind)
-{
- struct i2c_client *client;
- uint16_t ver;
- int rc, i;
-
- if (!olpc_has_dcon()) {
- printk("olpc-dcon: No DCON is attached.\n");
- return -ENODEV;
- }
-
- if (num_registered_fb >= 1)
- fbinfo = registered_fb[0];
-
- if (adap->id != I2C_HW_SMBUS_SCX200) {
- printk(KERN_ERR "olpc-dcon: Invalid I2C bus (%d not %d)\n",
- adap->id, I2C_HW_SMBUS_SCX200);
- return -ENXIO;
- }
-
- client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (client == NULL)
- return -ENOMEM;
-
- strncpy(client->name, "OLPC-DCON", I2C_NAME_SIZE);
- client->addr = addr;
- client->adapter = adap;
- client->driver = &dcon_driver;
-
- if ((rc = i2c_attach_client(client)) != 0) {
- printk(KERN_ERR "olpc-dcon: Unable to attach the I2C client.\n");
- goto eclient;
- }
-
- ver = i2c_smbus_read_word_data(client, DCON_REG_ID);
-
- if ((ver >> 8) != 0xDC) {
- printk(KERN_ERR "olpc-dcon: DCON ID not 0xDCxx: 0x%04x instead.\n", ver);
- rc = -ENXIO;
- goto ei2c;
- }
-
- if ((rc = dcon_request_irq())) {
- printk(KERN_ERR "olpc-dcon: Unable to grab IRQ.\n");
- goto ei2c;
- }
-
- if (ver < 0xdc02 && !noinit) {
- /* Initialize the DCON registers */
-
- /* Start with work-arounds for DCON ASIC */
- i2c_smbus_write_word_data(client, 0x4b, 0x00cc);
- i2c_smbus_write_word_data(client, 0x4b, 0x00cc);
- i2c_smbus_write_word_data(client, 0x4b, 0x00cc);
- i2c_smbus_write_word_data(client, 0x0b, 0x007a);
- i2c_smbus_write_word_data(client, 0x36, 0x025c);
- i2c_smbus_write_word_data(client, 0x37, 0x025e);
-
- /* Initialise SDRAM */
-
- i2c_smbus_write_word_data(client, 0x3b, 0x002b);
- i2c_smbus_write_word_data(client, 0x41, 0x0101);
- i2c_smbus_write_word_data(client, 0x42, 0x0101);
- }
-
- /* Colour swizzle, AA, no passthrough, backlight */
-
- dcon_disp_mode = MODE_PASSTHRU | MODE_BL_ENABLE | MODE_CSWIZZLE;
- if (useaa)
- dcon_disp_mode |= MODE_COL_AA;
- i2c_smbus_write_word_data(client, DCON_REG_MODE, dcon_disp_mode);
-
-
- /* Set the scanline to interrupt on during resume */
-
- i2c_smbus_write_word_data(client, DCON_REG_SCAN_INT, resumeline);
-
- /* Add the DCON device */
-
- dcon_device = platform_device_alloc("dcon", -1);
-
- if (dcon_device == NULL) {
- printk(KERN_ERR "dcon: Unable to create the DCON device\n");
- rc = -ENOMEM;
- goto eirq;
- }
-
- if ((rc = platform_device_add(dcon_device))) {
- printk(KERN_ERR "dcon: Unable to add the DCON device\n");
- goto edev;
- }
-
- for(i = 0; i < ARRAY_SIZE(dcon_device_files); i++)
- device_create_file(&dcon_device->dev, &dcon_device_files[i]);
-
- /* Add the backlight device for the DCON */
-
- dcon_client = client;
-
- dcon_bl_dev = backlight_device_register("dcon-bl", &dcon_device->dev,
- NULL, &dcon_bl_ops);
-
- if (IS_ERR(dcon_bl_dev)) {
- printk(KERN_INFO "Could not register the backlight device for the DCON (%ld)\n", PTR_ERR(dcon_bl_dev));
- dcon_bl_dev = NULL;
- }
- else {
- dcon_bl_dev->props.max_brightness = 15;
- dcon_bl_dev->props.power = FB_BLANK_UNBLANK;
- dcon_bl_dev->props.brightness = dcon_get_backlight();
-
- backlight_update_status(dcon_bl_dev);
- }
-
- register_reboot_notifier(&dcon_nb);
- console_event_register(&dcon_console_nb);
-
- printk(KERN_INFO "olpc-dcon: Discovered DCON version %x\n", ver & 0xFF);
-
- return 0;
-
- edev:
- platform_device_unregister(dcon_device);
- dcon_device = NULL;
- eirq:
- free_irq(DCON_IRQ, &dcon_driver);
- ei2c:
- i2c_detach_client(client);
- eclient:
- kfree(client);
-
- return rc;
-}
-
-static int dcon_attach(struct i2c_adapter *adap)
-{
- int ret;
-
- ret = i2c_probe(adap, &addr_data, dcon_probe);
-
- if (dcon_client == NULL)
- printk(KERN_ERR "olpc-dcon: No DCON found on SMBus\n");
-
- return ret;
-}
-
-static int dcon_detach(struct i2c_client *client)
-{
- int rc;
- dcon_client = NULL;
-
- unregister_reboot_notifier(&dcon_nb);
- console_event_unregister(&dcon_console_nb);
-
- free_irq(DCON_IRQ, &dcon_driver);
-
- if ((rc = i2c_detach_client(client)) == 0)
- kfree(i2c_get_clientdata(client));
-
- if (dcon_bl_dev != NULL)
- backlight_device_unregister(dcon_bl_dev);
-
- if (dcon_device != NULL)
- platform_device_unregister(dcon_device);
- cancel_work_sync(&dcon_work);
-
- return rc;
-}
-
-
-#ifdef CONFIG_PM
-static int dcon_suspend(struct i2c_client *client, pm_message_t state)
-{
- if (dcon_sleep_val != DCON_ACTIVE)
- return 0;
-
- /* Set up the DCON to have the source */
- return dcon_set_source_sync(DCON_SOURCE_DCON);
-}
-
-static int dcon_resume(struct i2c_client *client)
-{
- int x;
- if (dcon_sleep_val != DCON_ACTIVE)
- return 0;
-
- /* HACK: ensure the bus is stable */
- do {
- x = dcon_read(DCON_REG_ID);
- } while (x < 0);
-
- return dcon_set_source(DCON_SOURCE_CPU);
-}
-
-#endif
-
-static irqreturn_t dcon_interrupt(int irq, void *id)
-{
- int status = inl(gpio_base + GPIOx_READ_BACK) >> 5;
-
- /* Clear the negative edge status for GPIO7 */
- outl(1 << 7, gpio_base + GPIOx_NEGEDGE_STS);
-
- switch (status & 3) {
- case 3:
- printk(KERN_DEBUG "olpc-dcon: DCONLOAD_MISSED interrupt\n");
- break;
- case 2: /* switch to DCON mode */
- case 1: /* switch to CPU mode */
- dcon_switched = 1;
- wake_up(&dcon_wait_queue);
- break;
- case 0:
- printk(KERN_DEBUG "olpc-dcon: scanline interrupt w/CPU\n");
- }
-
- return IRQ_HANDLED;
-}
-
-static struct i2c_driver dcon_driver = {
- .driver = {
- .name = "OLPC-DCON",
- },
- .id = I2C_DRIVERID_DCON,
- .attach_adapter = dcon_attach,
- .detach_client = dcon_detach,
-#ifdef CONFIG_PM
- .suspend = dcon_suspend,
- .resume = dcon_resume,
-#endif
-};
-
-
-static int __init olpc_dcon_init(void)
-{
- i2c_add_driver(&dcon_driver);
- return 0;
-}
-
-static void __exit olpc_dcon_exit(void)
-{
- i2c_del_driver(&dcon_driver);
-}
-
-module_init(olpc_dcon_init);
-module_exit(olpc_dcon_exit);
-
-MODULE_LICENSE("GPL");
diff --git a/target/linux/olpc/files/drivers/video/olpc_dcon.h b/target/linux/olpc/files/drivers/video/olpc_dcon.h
deleted file mode 100644
index 6453ca4ba..000000000
--- a/target/linux/olpc/files/drivers/video/olpc_dcon.h
+++ /dev/null
@@ -1,75 +0,0 @@
-#ifndef OLPC_DCON_H_
-#define OLPC_DCON_H_
-
-/* DCON registers */
-
-#define DCON_REG_ID 0
-#define DCON_REG_MODE 1
-
-#define MODE_PASSTHRU (1<<0)
-#define MODE_SLEEP (1<<1)
-#define MODE_SLEEP_AUTO (1<<2)
-#define MODE_BL_ENABLE (1<<3)
-#define MODE_BLANK (1<<4)
-#define MODE_CSWIZZLE (1<<5)
-#define MODE_COL_AA (1<<6)
-#define MODE_MONO_LUMA (1<<7)
-#define MODE_SCAN_INT (1<<8)
-#define MODE_CLOCKDIV (1<<9)
-#define MODE_DEBUG (1<<14)
-#define MODE_SELFTEST (1<<15)
-
-#define DCON_REG_HRES 2
-#define DCON_REG_HTOTAL 3
-#define DCON_REG_HSYNC_WIDTH 4
-#define DCON_REG_VRES 5
-#define DCON_REG_VTOTAL 6
-#define DCON_REG_VSYNC_WIDTH 7
-#define DCON_REG_TIMEOUT 8
-#define DCON_REG_SCAN_INT 9
-#define DCON_REG_BRIGHT 10
-
-/* GPIO registers (CS5536) */
-
-#define MSR_LBAR_GPIO 0x5140000C
-
-#define GPIOx_OUT_VAL 0x00
-#define GPIOx_OUT_EN 0x04
-#define GPIOx_IN_EN 0x20
-#define GPIOx_INV_EN 0x24
-#define GPIOx_IN_FLTR_EN 0x28
-#define GPIOx_EVNTCNT_EN 0x2C
-#define GPIOx_READ_BACK 0x30
-#define GPIOx_EVNT_EN 0x38
-#define GPIOx_NEGEDGE_EN 0x44
-#define GPIOx_NEGEDGE_STS 0x4C
-#define GPIO_FLT7_AMNT 0xD8
-#define GPIO_MAP_X 0xE0
-#define GPIO_MAP_Y 0xE4
-#define GPIO_FE7_SEL 0xF7
-
-
-/* Status values */
-
-#define DCONSTAT_SCANINT 0
-#define DCONSTAT_SCANINT_DCON 1
-#define DCONSTAT_DISPLAYLOAD 2
-#define DCONSTAT_MISSED 3
-
-/* Source values */
-
-#define DCON_SOURCE_DCON 0
-#define DCON_SOURCE_CPU 1
-
-/* Output values */
-#define DCON_OUTPUT_COLOR 0
-#define DCON_OUTPUT_MONO 1
-
-/* Sleep values */
-#define DCON_ACTIVE 0
-#define DCON_SLEEP 1
-
-/* Interrupt */
-#define DCON_IRQ 6
-
-#endif