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-rw-r--r--packages/linux/gumstix-kernel-2.6.21/smc91x-fail-if-no-chip.patch2
-rw-r--r--packages/linux/gumstix-kernel-2.6.21/tsc2003.c260
-rw-r--r--packages/linux/gumstix-kernel_2.6.21.bb2
-rw-r--r--packages/linux/gumstix-linux.inc31
4 files changed, 139 insertions, 156 deletions
diff --git a/packages/linux/gumstix-kernel-2.6.21/smc91x-fail-if-no-chip.patch b/packages/linux/gumstix-kernel-2.6.21/smc91x-fail-if-no-chip.patch
index 0d4425412c..17ead87f12 100644
--- a/packages/linux/gumstix-kernel-2.6.21/smc91x-fail-if-no-chip.patch
+++ b/packages/linux/gumstix-kernel-2.6.21/smc91x-fail-if-no-chip.patch
@@ -52,7 +52,7 @@
-proceed:
+proceed1:
-+ printk(KERN_ERR "%s: found %d smc91x chip(s)\n", __FUNCTION__);
++ printk(KERN_ERR "%s: found %d smc91x chip(s)\n", __FUNCTION__,num_devices);
pxa_gpio_mode(GPIO15_nCS_1_MD);
if(smc91x_devices[1]) pxa_gpio_mode(GPIO_GUMSTIX_ETH1_RST_MD);
diff --git a/packages/linux/gumstix-kernel-2.6.21/tsc2003.c b/packages/linux/gumstix-kernel-2.6.21/tsc2003.c
index a4a68b756d..8836537b77 100644
--- a/packages/linux/gumstix-kernel-2.6.21/tsc2003.c
+++ b/packages/linux/gumstix-kernel-2.6.21/tsc2003.c
@@ -3,7 +3,8 @@
*
* Copyright (C) 2005 Bill Gatliff <bgat at billgatliff.com>
* Changes for 2.6.20 kernel by Nicholas Chen <nchen at cs.umd.edu>
- * Changes for 2.6.21 kernel by Chris Dollar <chris.dollar at gmail.com>
+ * Changes to poll for events rather than use penirq by
+ * Chris Dollar <chris.dollar at gmail.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
@@ -12,7 +13,6 @@
* Driver for TI's TSC2003 I2C Touch Screen Controller
*/
-//#include <linux/config.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
@@ -21,10 +21,8 @@
#include <linux/bcd.h>
#include <linux/list.h>
#include <linux/device.h>
-#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/delay.h>
-#include <asm-arm/arch-pxa/irqs.h>
#define DRIVER_NAME "tsc2003"
#define TSC2003_CMD(cn,pdn,m) (((cn) << 4) | ((pdn) << 2) | ((m) << 1))
@@ -37,10 +35,10 @@ static unsigned short normal_i2c[] = { 0x48, I2C_CLIENT_END };
I2C_CLIENT_INSMOD_1(tsc2003);
enum tsc2003_pd {
- PD_POWERDOWN = 0, /* penirq */
- PD_IREFOFF_ADCON = 1, /* no penirq */
- PD_IREFON_ADCOFF = 2, /* penirq */
- PD_IREFON_ADCON = 3, /* no penirq */
+ PD_POWERDOWN = 0,
+ PD_IREFOFF_ADCON = 1,
+ PD_IREFON_ADCOFF = 2,
+ PD_IREFON_ADCON = 3,
PD_PENIRQ_ARM = PD_IREFON_ADCOFF,
PD_PENIRQ_DISARM = PD_IREFON_ADCON,
};
@@ -70,14 +68,10 @@ struct tsc2003_data {
struct i2c_client client;
struct device_driver driver;
struct input_dev *idev;
- struct semaphore sem;
struct task_struct *tstask;
struct completion tstask_completion;
- struct completion penirq_completion;
enum tsc2003_pd pd;
enum tsc2003_m m;
- int penirq;
-
int vbat1;
int vbat2;
int temp0;
@@ -86,11 +80,12 @@ struct tsc2003_data {
int in2;
};
-static int
- tsc2003_i2c_detect(struct i2c_adapter *adapter, int address, int kind);
+static int tsc2003_i2c_detect(struct i2c_adapter *adapter, int address,
+ int kind);
static int tsc2003_read(struct tsc2003_data *data, enum tsc2003_cmd cmd,
- enum tsc2003_pd pd, int *val) {
+ enum tsc2003_pd pd, int *val)
+{
char c;
char d[2];
int ret;
@@ -101,7 +96,8 @@ static int tsc2003_read(struct tsc2003_data *data, enum tsc2003_cmd cmd,
goto err;
udelay(20);
- ret = i2c_master_recv(&data->client, d, data->m == M_12BIT ? 2 : 1);
+ ret =
+ i2c_master_recv(&data->client, d, data->m == M_12BIT ? 2 : 1);
if (ret <= 0)
goto err;
@@ -111,70 +107,80 @@ static int tsc2003_read(struct tsc2003_data *data, enum tsc2003_cmd cmd,
if (data->m == M_12BIT)
*val += (d[1] >> 4);
}
-
#if defined(CONFIG_I2C_DEBUG_CHIP)
printk(KERN_ERR "%s: val[%x] = %d\n",
- __FUNCTION__, cmd, (((int)d[0]) << 8) + d[1]);
+ __FUNCTION__, cmd, (((int) d[0]) << 8) + d[1]);
#endif
return 0;
- err: if (!ret)
+ err:if (!ret)
ret = -ENODEV;
return ret;
}
static inline int tsc2003_read_temp0(struct tsc2003_data *d, enum
-tsc2003_pd pd, int *t) {
+ tsc2003_pd pd, int *t)
+{
return tsc2003_read(d, MEAS_TEMP0, pd, t);
}
static inline int tsc2003_read_temp1(struct tsc2003_data *d, enum
-tsc2003_pd pd, int *t) {
+ tsc2003_pd pd, int *t)
+{
return tsc2003_read(d, MEAS_TEMP1, pd, t);
}
static inline int tsc2003_read_xpos(struct tsc2003_data *d, enum
-tsc2003_pd pd, int *x) {
+ tsc2003_pd pd, int *x)
+{
return tsc2003_read(d, MEAS_XPOS, pd, x);
}
static inline int tsc2003_read_ypos(struct tsc2003_data *d, enum
-tsc2003_pd pd, int *y) {
+ tsc2003_pd pd, int *y)
+{
return tsc2003_read(d, MEAS_YPOS, pd, y);
}
static inline int tsc2003_read_pressure(struct tsc2003_data *d, enum
-tsc2003_pd pd, int *p) {
+ tsc2003_pd pd, int *p)
+{
return tsc2003_read(d, MEAS_Z1POS, pd, p);
}
static inline int tsc2003_read_in1(struct tsc2003_data *d, enum
-tsc2003_pd pd, int *t) {
+ tsc2003_pd pd, int *t)
+{
return tsc2003_read(d, MEAS_IN1, pd, t);
}
static inline int tsc2003_read_in2(struct tsc2003_data *d, enum
-tsc2003_pd pd, int *t) {
+ tsc2003_pd pd, int *t)
+{
return tsc2003_read(d, MEAS_IN2, pd, t);
}
static inline int tsc2003_read_vbat1(struct tsc2003_data *d, enum
-tsc2003_pd pd, int *t) {
+ tsc2003_pd pd, int *t)
+{
return tsc2003_read(d, MEAS_VBAT1, pd, t);
}
static inline int tsc2003_read_vbat2(struct tsc2003_data *d, enum
-tsc2003_pd pd, int *t) {
+ tsc2003_pd pd, int *t)
+{
return tsc2003_read(d, MEAS_VBAT2, pd, t);
}
-static inline int tsc2003_powerdown(struct tsc2003_data *d) {
+static inline int tsc2003_powerdown(struct tsc2003_data *d)
+{
/* we don't have a distinct powerdown command,
- so do a benign read with the PD bits cleared */
+ so do a benign read with the PD bits cleared */
return tsc2003_read(d, MEAS_IN1, PD_POWERDOWN, 0);
}
-void tsc2003_init_client(struct i2c_client *client) {
+void tsc2003_init_client(struct i2c_client *client)
+{
struct tsc2003_data *data = i2c_get_clientdata(client);
data->pd = PD_PENIRQ_DISARM;
@@ -182,34 +188,10 @@ void tsc2003_init_client(struct i2c_client *client) {
return;
}
-static irqreturn_t tsc2003_penirq(int irq, void *v) {
- struct tsc2003_data *d = v;
-
- printk(KERN_INFO "penirq: %Ld\n", jiffies);
-
- // disable the penirq while we take the sample
- disable_irq_nosync(d->penirq);
-
- complete(&d->penirq_completion);
- return IRQ_HANDLED;
-}
-
-static void tsc2003_pen_up(unsigned long v) {
- printk(KERN_INFO "tsc2003_pen_up - re-enable irq now\n");
- struct tsc2003_data *d = (struct tsc2003_data *)v;
-
- enable_irq(d->penirq);
-
- input_report_abs(d->idev, ABS_PRESSURE, 0);
- input_sync(d->idev);
- return;
-}
-
-static int tsc2003ts_thread(void *v) {
+static int tsc2003ts_thread(void *v)
+{
struct tsc2003_data *d = v;
struct task_struct *tsk = current;
- int ret;
- int err = 0;
d->tstask = tsk;
@@ -220,56 +202,47 @@ static int tsc2003ts_thread(void *v) {
#if defined(CONFIG_I2C_DEBUG_CHIP)
printk(KERN_INFO "%s: address 0x%x\n",
- __FUNCTION__, d->client.addr);
-#endif
-
- do {
- unsigned int x, y, p, fp;
- int pen_is_up = 0;
-
- down(&d->sem);
+ __FUNCTION__, d->client.addr);
+#endif
- // take the sample
- d->pd = PD_PENIRQ_DISARM;
- tsc2003_read_xpos(d, PD_PENIRQ_DISARM, &x);
- tsc2003_read_ypos(d, PD_PENIRQ_DISARM, &y);
- tsc2003_read_pressure(d, PD_PENIRQ_DISARM, &p);
+ do {
+ unsigned int x, y, p;
+ int pen_is_up = 0;
- if (p < 64) {
- p=0;
- }
+ d->pd = PD_PENIRQ_DISARM;
+ tsc2003_read_xpos(d, PD_PENIRQ_DISARM, &x);
+ tsc2003_read_ypos(d, PD_PENIRQ_DISARM, &y);
+ tsc2003_read_pressure(d, PD_PENIRQ_DISARM, &p);
+ if (p < 64) {
+ p = 0;
+ }
#if defined(CONFIG_I2C_DEBUG_CHIP)
- printk(KERN_INFO "TSD X: %d Y: %d P: %d\n", x, y, p);
-#endif
-
- if (!pen_is_up) {
- // report our touch to the input layer
- input_report_abs(d->idev, ABS_X, 4096 - x);
- input_report_abs(d->idev, ABS_Y, 4096 - y);
- input_report_abs(d->idev, ABS_PRESSURE, p);
- input_sync(d->idev);
- }
-
- if(p == 0) {
+ printk(KERN_INFO "TSD X: %d Y: %d P: %d\n", x, y, p);
+#endif
+
+ if (!pen_is_up) {
+ input_report_abs(d->idev, ABS_X, 4096 - x);
+ input_report_abs(d->idev, ABS_Y, 4096 - y);
+ input_report_abs(d->idev, ABS_PRESSURE, p);
+ input_sync(d->idev);
+ }
+
+ if (p == 0) {
#if defined(CONFIG_I2C_DEBUG_CHIP)
- printk(KERN_INFO "No pressure - pen is up!\n");
-#endif
- // set our pen as up
- pen_is_up = 1;
- }
- else {
+ printk(KERN_INFO "No pressure - pen is up!\n");
+#endif
+ pen_is_up = 1;
+ } else {
#if defined(CONFIG_I2C_DEBUG_CHIP)
- printk(KERN_INFO "Pen is still down - sleeping and will re-sample!\n");
-#endif
- // set our pen as down
- pen_is_up = 0;
- }
-
- // sleep for 3 jiffies to give us about 30 updates/sec
- msleep (3);
+ printk(KERN_INFO
+ "Pen is still down - sleeping and will re-sample!\n");
+#endif
+ pen_is_up = 0;
+ }
- up(&d->sem);
+ // sleep for 3 jiffies to give us about 30 updates/sec
+ msleep(3);
} while (!signal_pending(tsk));
@@ -277,13 +250,11 @@ static int tsc2003ts_thread(void *v) {
complete_and_exit(&d->tstask_completion, 0);
}
-static int tsc2003_idev_open(struct input_dev *idev) {
+static int tsc2003_idev_open(struct input_dev *idev)
+{
struct tsc2003_data *d = idev->private;
int ret = 0;
- if (down_interruptible(&d->sem))
- return -EINTR;
-
if (d->tstask)
panic(DRIVER_NAME "tsd already running (!). abort.");
@@ -293,50 +264,26 @@ static int tsc2003_idev_open(struct input_dev *idev) {
ret = 0;
}
- up(&d->sem);
return ret;
}
-static void tsc2003_idev_close(struct input_dev *idev) {
+static void tsc2003_idev_close(struct input_dev *idev)
+{
struct tsc2003_data *d = idev->private;
- down_interruptible(&d->sem);
if (d->tstask) {
send_sig(SIGKILL, d->tstask, 1);
wait_for_completion(&d->tstask_completion);
}
- up(&d->sem);
return;
}
-static int tsc2003_detect_irq(struct tsc2003_data *d) {
- d->penirq = IRQ_GPIO(16); //PWM0 GPIO
- return 0;
-}
-
-static int tsc2003_driver_register(struct tsc2003_data *data) {
+static int tsc2003_driver_register(struct tsc2003_data *data)
+{
struct input_dev *idev;
int ret = 0;
- int error;
-
- init_MUTEX(&data->sem);
- error = tsc2003_detect_irq(data);
- if (error) {
- printk(KERN_ERR "TSC2003: IRQ probe failed\n");
- }
-
- if (data->penirq) {
- ret = request_irq(data->penirq, tsc2003_penirq, SA_INTERRUPT | IRQF_TRIGGER_LOW,
- DRIVER_NAME, data);
- if (!ret) {
- printk(KERN_INFO "%s: irq %d\n", __FUNCTION__, data->penirq);
- init_completion(&data->tstask_completion);
- init_completion(&data->penirq_completion);
- } else {
- printk(KERN_ERR "%s: cannot grab irq %d\n", __FUNCTION__, data->penirq);
- }
- }
+ init_completion(&data->tstask_completion);
idev = input_allocate_device();
data->idev = idev;
@@ -361,19 +308,21 @@ static int tsc2003_driver_register(struct tsc2003_data *data) {
return ret;
}
-static int tsc2003_i2c_attach_adapter(struct i2c_adapter *adapter) {
+static int tsc2003_i2c_attach_adapter(struct i2c_adapter *adapter)
+{
printk(KERN_INFO "tsc2003 i2c touch screen controller\n");
+#if defined(CONFIG_I2C_DEBUG_CHIP)
printk(KERN_INFO "Bill Gatliff <bgat at billgatliff.com\n");
- printk(KERN_INFO "Nicholas Chen <nchen at cs.umd.edu>\n");
-
- return i2c_probe(adapter, &addr_data, tsc2003_i2c_detect);
+ printk(KERN_INFO "Nicholas Chen <nchen at cs.umd.edu>\n");
+#endif
+ return i2c_probe(adapter, &addr_data, tsc2003_i2c_detect);
}
-static int tsc2003_i2c_detach_client(struct i2c_client *client) {
+static int tsc2003_i2c_detach_client(struct i2c_client *client)
+{
int err;
struct tsc2003_data *d = i2c_get_clientdata(client);
- free_irq(d->penirq, d);
input_unregister_device(d->idev);
if ((err = i2c_detach_client(client))) {
@@ -385,16 +334,18 @@ static int tsc2003_i2c_detach_client(struct i2c_client *client) {
return 0;
}
-static struct i2c_driver tsc2003_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = DRIVER_NAME,
- },
- .attach_adapter = tsc2003_i2c_attach_adapter,
- .detach_client = tsc2003_i2c_detach_client,
+static struct i2c_driver tsc2003_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = DRIVER_NAME,
+ },
+ .attach_adapter = tsc2003_i2c_attach_adapter,
+ .detach_client = tsc2003_i2c_detach_client,
};
-static int tsc2003_i2c_detect(struct i2c_adapter *adapter, int address, int kind) {
+static int tsc2003_i2c_detect(struct i2c_adapter *adapter, int address,
+ int kind)
+{
struct i2c_client *new_client;
struct tsc2003_data *data;
@@ -402,7 +353,8 @@ static int tsc2003_i2c_detect(struct i2c_adapter *adapter, int address, int kind
const char *name = "";
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA
- | I2C_FUNC_I2C | I2C_FUNC_SMBUS_WORD_DATA))
+ | I2C_FUNC_I2C |
+ I2C_FUNC_SMBUS_WORD_DATA))
goto exit;
data = kcalloc(1, sizeof(*data), GFP_KERNEL);
@@ -419,16 +371,16 @@ static int tsc2003_i2c_detect(struct i2c_adapter *adapter, int address, int kind
new_client->flags = 0;
/* TODO: I'm pretty sure I'm not dealing with kind correctly */
- if (kind == 0 /* identification */|| kind < 0 /* detection */)
+ if (kind == 0 /* identification */ || kind < 0 /* detection */ )
kind = tsc2003;
if (kind == tsc2003)
name = DRIVER_NAME;
/* try a command, see if we get an ack;
- if we do, assume it's our device */
+ if we do, assume it's our device */
printk(KERN_INFO "%s: probing address 0x%x\n",
- __FUNCTION__, address);
+ __FUNCTION__, address);
err = tsc2003_powerdown(data);
if (err >= 0) {
strlcpy(new_client->name, name, I2C_NAME_SIZE);
@@ -443,15 +395,15 @@ static int tsc2003_i2c_detect(struct i2c_adapter *adapter, int address, int kind
goto exit_free;
printk(KERN_INFO "%s: device address 0x%x attached.\n",
- __FUNCTION__, address);
+ __FUNCTION__, address);
return 0;
}
/* failure to detect when everything else is ok isn't an error */
else
err = 0;
- exit_free: kfree(new_client);
- exit: return err;
+ exit_free:kfree(new_client);
+ exit:return err;
}
static int __init tsc2003_init(void)
diff --git a/packages/linux/gumstix-kernel_2.6.21.bb b/packages/linux/gumstix-kernel_2.6.21.bb
index d1664e8763..e71c972053 100644
--- a/packages/linux/gumstix-kernel_2.6.21.bb
+++ b/packages/linux/gumstix-kernel_2.6.21.bb
@@ -1,4 +1,4 @@
-require linux.inc
+require gumstix-linux.inc
SRC_URI = "${KERNELORG_MIRROR}/pub/linux/kernel/v2.6/linux-${PV}.tar.bz2 \
file://defconfig \
diff --git a/packages/linux/gumstix-linux.inc b/packages/linux/gumstix-linux.inc
index 76fd15d95a..50111cb545 100644
--- a/packages/linux/gumstix-linux.inc
+++ b/packages/linux/gumstix-linux.inc
@@ -9,7 +9,10 @@ DEPENDS += " \
u-boot-mkimage-openmoko-native \
"
+KERNEL_IMAGE_BASE_NAME = ${KERNEL_IMAGETYPE}-${PV}-${PR}-${MACHINE}
+
S = "${WORKDIR}/linux-${PV}"
+do_deploy[dirs] = "${S}"
do_configure_prepend() {
echo "" > ${S}/.config
@@ -32,6 +35,16 @@ do_configure_prepend() {
yes '' | oe_runmake oldconfig
}
+do_sizecheck() {
+ if [ ! -z "${KERNEL_IMAGE_MAXSIZE}" ]; then
+ size=`ls -l arch/${ARCH}/boot/${KERNEL_IMAGETYPE} | awk '{ print $5}'`
+ if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then
+ rm arch/${ARCH}/boot/${KERNEL_IMAGETYPE}
+ die "This kernel (size=$size) is too big for your device. Please reduce the size of the kernel by making more of it modular."
+ fi
+ fi
+}
+
do_install_prepend() {
if test -e arch/${ARCH}/boot/Image ; then
ln -f arch/${ARCH}/boot/Image arch/${ARCH}/boot/uImage
@@ -41,3 +54,21 @@ do_install_prepend() {
ln -f arch/${ARCH}/boot/images/uImage arch/${ARCH}/boot/uImage
fi
}
+
+do_deploy() {
+ install -d ${DEPLOY_DIR_IMAGE}
+ install -m 0644 arch/${ARCH}/boot/${KERNEL_IMAGETYPE} ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
+ tar -cvzf ${DEPLOY_DIR_IMAGE}/modules-${KERNEL_RELEASE}-${PR}-${MACHINE}.tgz -C ${D} lib
+
+ if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then
+ ${OBJCOPY} -O binary -R .note -R .comment -S arch/${ARCH}/boot/compressed/vmlinux linux.bin
+ uboot-mkimage -A ${ARCH} -O linux -T kernel -C none -a ${UBOOT_ENTRYPOINT} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
+ rm -f linux.bin
+
+ fi
+}
+
+addtask sizecheck before do_install after do_compile
+addtask deploy before do_package after do_install
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-19 01:09:35 +0000