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-rw-r--r--drivers/misc/Kconfig3
-rw-r--r--drivers/misc/Makefile1
-rw-r--r--drivers/misc/ad525x_dpot-i2c.c1
-rw-r--r--drivers/misc/altera-stapl/Kconfig8
-rw-r--r--drivers/misc/altera-stapl/Makefile3
-rw-r--r--drivers/misc/altera-stapl/altera-comp.c142
-rw-r--r--drivers/misc/altera-stapl/altera-exprt.h33
-rw-r--r--drivers/misc/altera-stapl/altera-jtag.c1021
-rw-r--r--drivers/misc/altera-stapl/altera-jtag.h113
-rw-r--r--drivers/misc/altera-stapl/altera-lpt.c70
-rw-r--r--drivers/misc/altera-stapl/altera.c2537
-rw-r--r--drivers/misc/fsa9480.c3
-rw-r--r--drivers/misc/lis3lv02d/lis3lv02d.c389
-rw-r--r--drivers/misc/lis3lv02d/lis3lv02d.h9
-rw-r--r--drivers/misc/lis3lv02d/lis3lv02d_i2c.c45
-rw-r--r--drivers/misc/lis3lv02d/lis3lv02d_spi.c2
16 files changed, 4180 insertions, 200 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 2d6423c2d19..d593878d66d 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -63,7 +63,7 @@ config AD525X_DPOT_SPI
config ATMEL_PWM
tristate "Atmel AT32/AT91 PWM support"
- depends on AVR32 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9
+ depends on HAVE_CLK
help
This option enables device driver support for the PWM channels
on certain Atmel processors. Pulse Width Modulation is used for
@@ -506,5 +506,6 @@ source "drivers/misc/iwmc3200top/Kconfig"
source "drivers/misc/ti-st/Kconfig"
source "drivers/misc/lis3lv02d/Kconfig"
source "drivers/misc/carma/Kconfig"
+source "drivers/misc/altera-stapl/Kconfig"
endif # MISC_DEVICES
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 8f3efb68a14..b26495a0255 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -47,3 +47,4 @@ obj-$(CONFIG_AB8500_PWM) += ab8500-pwm.o
obj-y += lis3lv02d/
obj-y += carma/
obj-$(CONFIG_USB_SWITCH_FSA9480) += fsa9480.o
+obj-$(CONFIG_ALTERA_STAPL) +=altera-stapl/
diff --git a/drivers/misc/ad525x_dpot-i2c.c b/drivers/misc/ad525x_dpot-i2c.c
index 4ff73c21574..a39e0555df6 100644
--- a/drivers/misc/ad525x_dpot-i2c.c
+++ b/drivers/misc/ad525x_dpot-i2c.c
@@ -98,6 +98,7 @@ static const struct i2c_device_id ad_dpot_id[] = {
{"ad5282", AD5282_ID},
{"adn2860", ADN2860_ID},
{"ad5273", AD5273_ID},
+ {"ad5161", AD5161_ID},
{"ad5171", AD5171_ID},
{"ad5170", AD5170_ID},
{"ad5172", AD5172_ID},
diff --git a/drivers/misc/altera-stapl/Kconfig b/drivers/misc/altera-stapl/Kconfig
new file mode 100644
index 00000000000..7f01d8e9399
--- /dev/null
+++ b/drivers/misc/altera-stapl/Kconfig
@@ -0,0 +1,8 @@
+comment "Altera FPGA firmware download module"
+
+config ALTERA_STAPL
+ tristate "Altera FPGA firmware download module"
+ depends on I2C
+ default n
+ help
+ An Altera FPGA module. Say Y when you want to support this tool.
diff --git a/drivers/misc/altera-stapl/Makefile b/drivers/misc/altera-stapl/Makefile
new file mode 100644
index 00000000000..055f61ee781
--- /dev/null
+++ b/drivers/misc/altera-stapl/Makefile
@@ -0,0 +1,3 @@
+altera-stapl-objs = altera-lpt.o altera-jtag.o altera-comp.o altera.o
+
+obj-$(CONFIG_ALTERA_STAPL) += altera-stapl.o
diff --git a/drivers/misc/altera-stapl/altera-comp.c b/drivers/misc/altera-stapl/altera-comp.c
new file mode 100644
index 00000000000..49b103bedaa
--- /dev/null
+++ b/drivers/misc/altera-stapl/altera-comp.c
@@ -0,0 +1,142 @@
+/*
+ * altera-comp.c
+ *
+ * altera FPGA driver
+ *
+ * Copyright (C) Altera Corporation 1998-2001
+ * Copyright (C) 2010 NetUP Inc.
+ * Copyright (C) 2010 Igor M. Liplianin <liplianin@netup.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include "altera-exprt.h"
+
+#define SHORT_BITS 16
+#define CHAR_BITS 8
+#define DATA_BLOB_LENGTH 3
+#define MATCH_DATA_LENGTH 8192
+#define ALTERA_REQUEST_SIZE 1024
+#define ALTERA_BUFFER_SIZE (MATCH_DATA_LENGTH + ALTERA_REQUEST_SIZE)
+
+static u32 altera_bits_req(u32 n)
+{
+ u32 result = SHORT_BITS;
+
+ if (n == 0)
+ result = 1;
+ else {
+ /* Look for the highest non-zero bit position */
+ while ((n & (1 << (SHORT_BITS - 1))) == 0) {
+ n <<= 1;
+ --result;
+ }
+ }
+
+ return result;
+}
+
+static u32 altera_read_packed(u8 *buffer, u32 bits, u32 *bits_avail,
+ u32 *in_index)
+{
+ u32 result = 0;
+ u32 shift = 0;
+ u32 databyte = 0;
+
+ while (bits > 0) {
+ databyte = buffer[*in_index];
+ result |= (((databyte >> (CHAR_BITS - *bits_avail))
+ & (0xff >> (CHAR_BITS - *bits_avail))) << shift);
+
+ if (bits <= *bits_avail) {
+ result &= (0xffff >> (SHORT_BITS - (bits + shift)));
+ *bits_avail -= bits;
+ bits = 0;
+ } else {
+ ++(*in_index);
+ shift += *bits_avail;
+ bits -= *bits_avail;
+ *bits_avail = CHAR_BITS;
+ }
+ }
+
+ return result;
+}
+
+u32 altera_shrink(u8 *in, u32 in_length, u8 *out, u32 out_length, s32 version)
+{
+ u32 i, j, data_length = 0L;
+ u32 offset, length;
+ u32 match_data_length = MATCH_DATA_LENGTH;
+ u32 bits_avail = CHAR_BITS;
+ u32 in_index = 0L;
+
+ if (version > 0)
+ --match_data_length;
+
+ for (i = 0; i < out_length; ++i)
+ out[i] = 0;
+
+ /* Read number of bytes in data. */
+ for (i = 0; i < sizeof(in_length); ++i) {
+ data_length = data_length | (
+ altera_read_packed(in,
+ CHAR_BITS,
+ &bits_avail,
+ &in_index) << (i * CHAR_BITS));
+ }
+
+ if (data_length > out_length) {
+ data_length = 0L;
+ return data_length;
+ }
+
+ i = 0;
+ while (i < data_length) {
+ /* A 0 bit indicates literal data. */
+ if (altera_read_packed(in, 1, &bits_avail,
+ &in_index) == 0) {
+ for (j = 0; j < DATA_BLOB_LENGTH; ++j) {
+ if (i < data_length) {
+ out[i] = (u8)altera_read_packed(in,
+ CHAR_BITS,
+ &bits_avail,
+ &in_index);
+ i++;
+ }
+ }
+ } else {
+ /* A 1 bit indicates offset/length to follow. */
+ offset = altera_read_packed(in, altera_bits_req((s16)
+ (i > match_data_length ?
+ match_data_length : i)),
+ &bits_avail,
+ &in_index);
+ length = altera_read_packed(in, CHAR_BITS,
+ &bits_avail,
+ &in_index);
+ for (j = 0; j < length; ++j) {
+ if (i < data_length) {
+ out[i] = out[i - offset];
+ i++;
+ }
+ }
+ }
+ }
+
+ return data_length;
+}
diff --git a/drivers/misc/altera-stapl/altera-exprt.h b/drivers/misc/altera-stapl/altera-exprt.h
new file mode 100644
index 00000000000..39c38d84a67
--- /dev/null
+++ b/drivers/misc/altera-stapl/altera-exprt.h
@@ -0,0 +1,33 @@
+/*
+ * altera-exprt.h
+ *
+ * altera FPGA driver
+ *
+ * Copyright (C) Altera Corporation 1998-2001
+ * Copyright (C) 2010 NetUP Inc.
+ * Copyright (C) 2010 Igor M. Liplianin <liplianin@netup.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef ALTERA_EXPRT_H
+#define ALTERA_EXPRT_H
+
+
+u32 altera_shrink(u8 *in, u32 in_length, u8 *out, u32 out_length, s32 version);
+int netup_jtag_io_lpt(void *device, int tms, int tdi, int read_tdo);
+
+#endif /* ALTERA_EXPRT_H */
diff --git a/drivers/misc/altera-stapl/altera-jtag.c b/drivers/misc/altera-stapl/altera-jtag.c
new file mode 100644
index 00000000000..f4bf2009697
--- /dev/null
+++ b/drivers/misc/altera-stapl/altera-jtag.c
@@ -0,0 +1,1021 @@
+/*
+ * altera-jtag.c
+ *
+ * altera FPGA driver
+ *
+ * Copyright (C) Altera Corporation 1998-2001
+ * Copyright (C) 2010 NetUP Inc.
+ * Copyright (C) 2010 Igor M. Liplianin <liplianin@netup.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/delay.h>
+#include <linux/firmware.h>
+#include <linux/slab.h>
+#include <misc/altera.h>
+#include "altera-exprt.h"
+#include "altera-jtag.h"
+
+#define alt_jtag_io(a, b, c)\
+ astate->config->jtag_io(astate->config->dev, a, b, c);
+
+#define alt_malloc(a) kzalloc(a, GFP_KERNEL);
+
+/*
+ * This structure shows, for each JTAG state, which state is reached after
+ * a single TCK clock cycle with TMS high or TMS low, respectively. This
+ * describes all possible state transitions in the JTAG state machine.
+ */
+struct altera_jtag_machine {
+ enum altera_jtag_state tms_high;
+ enum altera_jtag_state tms_low;
+};
+
+static const struct altera_jtag_machine altera_transitions[] = {
+ /* RESET */ { RESET, IDLE },
+ /* IDLE */ { DRSELECT, IDLE },
+ /* DRSELECT */ { IRSELECT, DRCAPTURE },
+ /* DRCAPTURE */ { DREXIT1, DRSHIFT },
+ /* DRSHIFT */ { DREXIT1, DRSHIFT },
+ /* DREXIT1 */ { DRUPDATE, DRPAUSE },
+ /* DRPAUSE */ { DREXIT2, DRPAUSE },
+ /* DREXIT2 */ { DRUPDATE, DRSHIFT },
+ /* DRUPDATE */ { DRSELECT, IDLE },
+ /* IRSELECT */ { RESET, IRCAPTURE },
+ /* IRCAPTURE */ { IREXIT1, IRSHIFT },
+ /* IRSHIFT */ { IREXIT1, IRSHIFT },
+ /* IREXIT1 */ { IRUPDATE, IRPAUSE },
+ /* IRPAUSE */ { IREXIT2, IRPAUSE },
+ /* IREXIT2 */ { IRUPDATE, IRSHIFT },
+ /* IRUPDATE */ { DRSELECT, IDLE }
+};
+
+/*
+ * This table contains the TMS value to be used to take the NEXT STEP on
+ * the path to the desired state. The array index is the current state,
+ * and the bit position is the desired endstate. To find out which state
+ * is used as the intermediate state, look up the TMS value in the
+ * altera_transitions[] table.
+ */
+static const u16 altera_jtag_path_map[16] = {
+ /* RST RTI SDRS CDR SDR E1DR PDR E2DR */
+ 0x0001, 0xFFFD, 0xFE01, 0xFFE7, 0xFFEF, 0xFF0F, 0xFFBF, 0xFFFF,
+ /* UDR SIRS CIR SIR E1IR PIR E2IR UIR */
+ 0xFEFD, 0x0001, 0xF3FF, 0xF7FF, 0x87FF, 0xDFFF, 0xFFFF, 0x7FFD
+};
+
+/* Flag bits for alt_jtag_io() function */
+#define TMS_HIGH 1
+#define TMS_LOW 0
+#define TDI_HIGH 1
+#define TDI_LOW 0
+#define READ_TDO 1
+#define IGNORE_TDO 0
+
+int altera_jinit(struct altera_state *astate)
+{
+ struct altera_jtag *js = &astate->js;
+
+ /* initial JTAG state is unknown */
+ js->jtag_state = ILLEGAL_JTAG_STATE;
+
+ /* initialize to default state */
+ js->drstop_state = IDLE;
+ js->irstop_state = IDLE;
+ js->dr_pre = 0;
+ js->dr_post = 0;
+ js->ir_pre = 0;
+ js->ir_post = 0;
+ js->dr_length = 0;
+ js->ir_length = 0;
+
+ js->dr_pre_data = NULL;
+ js->dr_post_data = NULL;
+ js->ir_pre_data = NULL;
+ js->ir_post_data = NULL;
+ js->dr_buffer = NULL;
+ js->ir_buffer = NULL;
+
+ return 0;
+}
+
+int altera_set_drstop(struct altera_jtag *js, enum altera_jtag_state state)
+{
+ js->drstop_state = state;
+
+ return 0;
+}
+
+int altera_set_irstop(struct altera_jtag *js, enum altera_jtag_state state)
+{
+ js->irstop_state = state;
+
+ return 0;
+}
+
+int altera_set_dr_pre(struct altera_jtag *js,
+ u32 count, u32 start_index,
+ u8 *preamble_data)
+{
+ int status = 0;
+ u32 i;
+ u32 j;
+
+ if (count > js->dr_pre) {
+ kfree(js->dr_pre_data);
+ js->dr_pre_data = (u8 *)alt_malloc((count + 7) >> 3);
+ if (js->dr_pre_data == NULL)
+ status = -ENOMEM;
+ else
+ js->dr_pre = count;
+ } else
+ js->dr_pre = count;
+
+ if (status == 0) {
+ for (i = 0; i < count; ++i) {
+ j = i + start_index;
+
+ if (preamble_data == NULL)
+ js->dr_pre_data[i >> 3] |= (1 << (i & 7));
+ else {
+ if (preamble_data[j >> 3] & (1 << (j & 7)))
+ js->dr_pre_data[i >> 3] |=
+ (1 << (i & 7));
+ else
+ js->dr_pre_data[i >> 3] &=
+ ~(u32)(1 << (i & 7));
+
+ }
+ }
+ }
+
+ return status;
+}
+
+int altera_set_ir_pre(struct altera_jtag *js, u32 count, u32 start_index,
+ u8 *preamble_data)
+{
+ int status = 0;
+ u32 i;
+ u32 j;
+
+ if (count > js->ir_pre) {
+ kfree(js->ir_pre_data);
+ js->ir_pre_data = (u8 *)alt_malloc((count + 7) >> 3);
+ if (js->ir_pre_data == NULL)
+ status = -ENOMEM;
+ else
+ js->ir_pre = count;
+
+ } else
+ js->ir_pre = count;
+
+ if (status == 0) {
+ for (i = 0; i < count; ++i) {
+ j = i + start_index;
+ if (preamble_data == NULL)
+ js->ir_pre_data[i >> 3] |= (1 << (i & 7));
+ else {
+ if (preamble_data[j >> 3] & (1 << (j & 7)))
+ js->ir_pre_data[i >> 3] |=
+ (1 << (i & 7));
+ else
+ js->ir_pre_data[i >> 3] &=
+ ~(u32)(1 << (i & 7));
+
+ }
+ }
+ }
+
+ return status;
+}
+
+int altera_set_dr_post(struct altera_jtag *js, u32 count, u32 start_index,
+ u8 *postamble_data)
+{
+ int status = 0;
+ u32 i;
+ u32 j;
+
+ if (count > js->dr_post) {
+ kfree(js->dr_post_data);
+ js->dr_post_data = (u8 *)alt_malloc((count + 7) >> 3);
+
+ if (js->dr_post_data == NULL)
+ status = -ENOMEM;
+ else
+ js->dr_post = count;
+
+ } else
+ js->dr_post = count;
+
+ if (status == 0) {
+ for (i = 0; i < count; ++i) {
+ j = i + start_index;
+
+ if (postamble_data == NULL)
+ js->dr_post_data[i >> 3] |= (1 << (i & 7));
+ else {
+ if (postamble_data[j >> 3] & (1 << (j & 7)))
+ js->dr_post_data[i >> 3] |=
+ (1 << (i & 7));
+ else
+ js->dr_post_data[i >> 3] &=
+ ~(u32)(1 << (i & 7));
+
+ }
+ }
+ }
+
+ return status;
+}
+
+int altera_set_ir_post(struct altera_jtag *js, u32 count, u32 start_index,
+ u8 *postamble_data)
+{
+ int status = 0;
+ u32 i;
+ u32 j;
+
+ if (count > js->ir_post) {
+ kfree(js->ir_post_data);
+ js->ir_post_data = (u8 *)alt_malloc((count + 7) >> 3);
+ if (js->ir_post_data == NULL)
+ status = -ENOMEM;
+ else
+ js->ir_post = count;
+
+ } else
+ js->ir_post = count;
+
+ if (status != 0)
+ return status;
+
+ for (i = 0; i < count; ++i) {
+ j = i + start_index;
+
+ if (postamble_data == NULL)
+ js->ir_post_data[i >> 3] |= (1 << (i & 7));
+ else {
+ if (postamble_data[j >> 3] & (1 << (j & 7)))
+ js->ir_post_data[i >> 3] |= (1 << (i & 7));
+ else
+ js->ir_post_data[i >> 3] &=
+ ~(u32)(1 << (i & 7));
+
+ }
+ }
+
+ return status;
+}
+
+static void altera_jreset_idle(struct altera_state *astate)
+{
+ struct altera_jtag *js = &astate->js;
+ int i;
+ /* Go to Test Logic Reset (no matter what the starting state may be) */
+ for (i = 0; i < 5; ++i)
+ alt_jtag_io(TMS_HIGH, TDI_LOW, IGNORE_TDO);
+
+ /* Now step to Run Test / Idle */
+ alt_jtag_io(TMS_LOW, TDI_LOW, IGNORE_TDO);
+ js->jtag_state = IDLE;
+}
+
+int altera_goto_jstate(struct altera_state *astate,
+ enum altera_jtag_state state)
+{
+ struct altera_jtag *js = &astate->js;
+ int tms;
+ int count = 0;
+ int status = 0;
+
+ if (js->jtag_state == ILLEGAL_JTAG_STATE)
+ /* initialize JTAG chain to known state */
+ altera_jreset_idle(astate);
+
+ if (js->jtag_state == state) {
+ /*
+ * We are already in the desired state.
+ * If it is a stable state, loop here.
+ * Otherwise do nothing (no clock cycles).
+ */
+ if ((state == IDLE) || (state == DRSHIFT) ||
+ (state == DRPAUSE) || (state == IRSHIFT) ||
+ (state == IRPAUSE)) {
+ alt_jtag_io(TMS_LOW, TDI_LOW, IGNORE_TDO);
+ } else if (state == RESET)
+ alt_jtag_io(TMS_HIGH, TDI_LOW, IGNORE_TDO);
+
+ } else {
+ while ((js->jtag_state != state) && (count < 9)) {
+ /* Get TMS value to take a step toward desired state */
+ tms = (altera_jtag_path_map[js->jtag_state] &
+ (1 << state))
+ ? TMS_HIGH : TMS_LOW;
+
+ /* Take a step */
+ alt_jtag_io(tms, TDI_LOW, IGNORE_TDO);
+
+ if (tms)
+ js->jtag_state =
+ altera_transitions[js->jtag_state].tms_high;
+ else
+ js->jtag_state =
+ altera_transitions[js->jtag_state].tms_low;
+
+ ++count;
+ }
+ }
+
+ if (js->jtag_state != state)
+ status = -EREMOTEIO;
+
+ return status;
+}
+
+int altera_wait_cycles(struct altera_state *astate,
+ s32 cycles,
+ enum altera_jtag_state wait_state)
+{
+ struct altera_jtag *js = &astate->js;
+ int tms;
+ s32 count;
+ int status = 0;
+
+ if (js->jtag_state != wait_state)
+ status = altera_goto_jstate(astate, wait_state);
+
+ if (status == 0) {
+ /*
+ * Set TMS high to loop in RESET state
+ * Set TMS low to loop in any other stable state
+ */
+ tms = (wait_state == RESET) ? TMS_HIGH : TMS_LOW;
+
+ for (count = 0L; count < cycles; count++)
+ alt_jtag_io(tms, TDI_LOW, IGNORE_TDO);
+
+ }
+
+ return status;
+}
+
+int altera_wait_msecs(struct altera_state *astate,
+ s32 microseconds, enum altera_jtag_state wait_state)
+/*
+ * Causes JTAG hardware to sit in the specified stable
+ * state for the specified duration of real time. If
+ * no JTAG operations have been performed yet, then only
+ * a delay is performed. This permits the WAIT USECS
+ * statement to be used in VECTOR programs without causing
+ * any JTAG operations.
+ * Returns 0 for success, else appropriate error code.
+ */
+{
+ struct altera_jtag *js = &astate->js;
+ int status = 0;
+
+ if ((js->jtag_state != ILLEGAL_JTAG_STATE) &&
+ (js->jtag_state != wait_state))
+ status = altera_goto_jstate(astate, wait_state);
+
+ if (status == 0)
+ /* Wait for specified time interval */
+ udelay(microseconds);
+
+ return status;
+}
+
+static void altera_concatenate_data(u8 *buffer,
+ u8 *preamble_data,
+ u32 preamble_count,
+ u8 *target_data,
+ u32 start_index,
+ u32 target_count,
+ u8 *postamble_data,
+ u32 postamble_count)
+/*
+ * Copies preamble data, target data, and postamble data
+ * into one buffer for IR or DR scans.
+ */
+{
+ u32 i, j, k;
+
+ for (i = 0L; i < preamble_count; ++i) {
+ if (preamble_data[i >> 3L] & (1L << (i & 7L)))
+ buffer[i >> 3L] |= (1L << (i & 7L));
+ else
+ buffer[i >> 3L] &= ~(u32)(1L << (i & 7L));
+
+ }
+
+ j = start_index;
+ k = preamble_count + target_count;
+ for (; i < k; ++i, ++j) {
+ if (target_data[j >> 3L] & (1L << (j & 7L)))
+ buffer[i >> 3L] |= (1L << (i & 7L));
+ else
+ buffer[i >> 3L] &= ~(u32)(1L << (i & 7L));
+
+ }
+
+ j = 0L;
+ k = preamble_count + target_count + postamble_count;
+ for (; i < k; ++i, ++j) {
+ if (postamble_data[j >> 3L] & (1L << (j & 7L)))
+ buffer[i >> 3L] |= (1L << (i & 7L));
+ else
+ buffer[i >> 3L] &= ~(u32)(1L << (i & 7L));
+
+ }
+}
+
+static int alt_jtag_drscan(struct altera_state *astate,
+ int start_state,
+ int count,
+ u8 *tdi,
+ u8 *tdo)
+{
+ int i = 0;
+ int tdo_bit = 0;
+ int status = 1;
+
+ /* First go to DRSHIFT state */
+ switch (start_state) {
+ case 0: /* IDLE */
+ alt_jtag_io(1, 0, 0); /* DRSELECT */
+ alt_jtag_io(0, 0, 0); /* DRCAPTURE */
+ alt_jtag_io(0, 0, 0); /* DRSHIFT */
+ break;
+
+ case 1: /* DRPAUSE */
+ alt_jtag_io(1, 0, 0); /* DREXIT2 */
+ alt_jtag_io(1, 0, 0); /* DRUPDATE */
+ alt_jtag_io(1, 0, 0); /* DRSELECT */
+ alt_jtag_io(0, 0, 0); /* DRCAPTURE */
+ alt_jtag_io(0, 0, 0); /* DRSHIFT */
+ break;
+
+ case 2: /* IRPAUSE */
+ alt_jtag_io(1, 0, 0); /* IREXIT2 */
+ alt_jtag_io(1, 0, 0); /* IRUPDATE */
+ alt_jtag_io(1, 0, 0); /* DRSELECT */
+ alt_jtag_io(0, 0, 0); /* DRCAPTURE */
+ alt_jtag_io(0, 0, 0); /* DRSHIFT */
+ break;
+
+ default:
+ status = 0;
+ }
+
+ if (status) {
+ /* loop in the SHIFT-DR state */
+ for (i = 0; i < count; i++) {
+ tdo_bit = alt_jtag_io(
+ (i == count - 1),
+ tdi[i >> 3] & (1 << (i & 7)),
+ (tdo != NULL));
+
+ if (tdo != NULL) {
+ if (tdo_bit)
+ tdo[i >> 3] |= (1 << (i & 7));
+ else
+ tdo[i >> 3] &= ~(u32)(1 << (i & 7));
+
+ }
+ }
+
+ alt_jtag_io(0, 0, 0); /* DRPAUSE */
+ }
+
+ return status;
+}
+
+static int alt_jtag_irscan(struct altera_state *astate,
+ int start_state,
+ int count,
+ u8 *tdi,
+ u8 *tdo)
+{
+ int i = 0;
+ int tdo_bit = 0;
+ int status = 1;
+
+ /* First go to IRSHIFT state */
+ switch (start_state) {
+ case 0: /* IDLE */
+ alt_jtag_io(1, 0, 0); /* DRSELECT */
+ alt_jtag_io(1, 0, 0); /* IRSELECT */
+ alt_jtag_io(0, 0, 0); /* IRCAPTURE */
+ alt_jtag_io(0, 0, 0); /* IRSHIFT */
+ break;
+
+ case 1: /* DRPAUSE */
+ alt_jtag_io(1, 0, 0); /* DREXIT2 */
+ alt_jtag_io(1, 0, 0); /* DRUPDATE */
+ alt_jtag_io(1, 0, 0); /* DRSELECT */
+ alt_jtag_io(1, 0, 0); /* IRSELECT */
+ alt_jtag_io(0, 0, 0); /* IRCAPTURE */
+ alt_jtag_io(0, 0, 0); /* IRSHIFT */
+ break;
+
+ case 2: /* IRPAUSE */
+ alt_jtag_io(1, 0, 0); /* IREXIT2 */
+ alt_jtag_io(1, 0, 0); /* IRUPDATE */
+ alt_jtag_io(1, 0, 0); /* DRSELECT */
+ alt_jtag_io(1, 0, 0); /* IRSELECT */
+ alt_jtag_io(0, 0, 0); /* IRCAPTURE */
+ alt_jtag_io(0, 0, 0); /* IRSHIFT */
+ break;
+
+ default:
+ status = 0;
+ }
+
+ if (status) {
+ /* loop in the SHIFT-IR state */
+ for (i = 0; i < count; i++) {
+ tdo_bit = alt_jtag_io(
+ (i == count - 1),
+ tdi[i >> 3] & (1 << (i & 7)),
+ (tdo != NULL));
+ if (tdo != NULL) {
+ if (tdo_bit)
+ tdo[i >> 3] |= (1 << (i & 7));
+ else
+ tdo[i >> 3] &= ~(u32)(1 << (i & 7));
+
+ }
+ }
+
+ alt_jtag_io(0, 0, 0); /* IRPAUSE */
+ }
+
+ return status;
+}
+
+static void altera_extract_target_data(u8 *buffer,
+ u8 *target_data,
+ u32 start_index,
+ u32 preamble_count,
+ u32 target_count)
+/*
+ * Copies target data from scan buffer, filtering out
+ * preamble and postamble data.
+ */
+{
+ u32 i;
+ u32 j;
+ u32 k;
+
+ j = preamble_count;
+ k = start_index + target_count;
+ for (i = start_index; i < k; ++i, ++j) {
+ if (buffer[j >> 3] & (1 << (j & 7)))
+ target_data[i >> 3] |= (1 << (i & 7));
+ else
+ target_data[i >> 3] &= ~(u32)(1 << (i & 7));
+
+ }
+}
+
+int altera_irscan(struct altera_state *astate,
+ u32 count,
+ u8 *tdi_data,
+ u32 start_index)
+/* Shifts data into instruction register */
+{
+ struct altera_jtag *js = &astate->js;
+ int start_code = 0;
+ u32 alloc_chars = 0;
+ u32 shift_count = js->ir_pre + count + js->ir_post;
+ int status = 0;
+ enum altera_jtag_state start_state = ILLEGAL_JTAG_STATE;
+
+ switch (js->jtag_state) {
+ case ILLEGAL_JTAG_STATE:
+ case RESET:
+ case IDLE:
+ start_code = 0;
+ start_state = IDLE;
+ break;
+
+ case DRSELECT:
+ case DRCAPTURE:
+ case DRSHIFT:
+ case DREXIT1:
+ case DRPAUSE:
+ case DREXIT2:
+ case DRUPDATE:
+ start_code = 1;
+ start_state = DRPAUSE;
+ break;
+
+ case IRSELECT:
+ case IRCAPTURE:
+ case IRSHIFT:
+ case IREXIT1:
+ case IRPAUSE:
+ case IREXIT2:
+ case IRUPDATE:
+ start_code = 2;
+ start_state = IRPAUSE;
+ break;
+
+ default:
+ status = -EREMOTEIO;
+ break;
+ }
+
+ if (status == 0)
+ if (js->jtag_state != start_state)
+ status = altera_goto_jstate(astate, start_state);
+
+ if (status == 0) {
+ if (shift_count > js->ir_length) {
+ alloc_chars = (shift_count + 7) >> 3;
+ kfree(js->ir_buffer);
+ js->ir_buffer = (u8 *)alt_malloc(alloc_chars);
+ if (js->ir_buffer == NULL)
+ status = -ENOMEM;
+ else
+ js->ir_length = alloc_chars * 8;
+
+ }
+ }
+
+ if (status == 0) {
+ /*
+ * Copy preamble data, IR data,
+ * and postamble data into a buffer
+ */
+ altera_concatenate_data(js->ir_buffer,
+ js->ir_pre_data,
+ js->ir_pre,
+ tdi_data,
+ start_index,
+ count,
+ js->ir_post_data,
+ js->ir_post);
+ /* Do the IRSCAN */
+ alt_jtag_irscan(astate,
+ start_code,
+ shift_count,
+ js->ir_buffer,
+ NULL);
+
+ /* alt_jtag_irscan() always ends in IRPAUSE state */
+ js->jtag_state = IRPAUSE;
+ }
+
+ if (status == 0)
+ if (js->irstop_state != IRPAUSE)
+ status = altera_goto_jstate(astate, js->irstop_state);
+
+
+ return status;
+}
+
+int altera_swap_ir(struct altera_state *astate,
+ u32 count,
+ u8 *in_data,
+ u32 in_index,
+ u8 *out_data,
+ u32 out_index)
+/* Shifts data into instruction register, capturing output data */
+{
+ struct altera_jtag *js = &astate->js;
+ int start_code = 0;
+ u32 alloc_chars = 0;
+ u32 shift_count = js->ir_pre + count + js->ir_post;
+ int status = 0;
+ enum altera_jtag_state start_state = ILLEGAL_JTAG_STATE;
+
+ switch (js->jtag_state) {
+ case ILLEGAL_JTAG_STATE:
+ case RESET:
+ case IDLE:
+ start_code = 0;
+ start_state = IDLE;
+ break;
+
+ case DRSELECT:
+ case DRCAPTURE:
+ case DRSHIFT:
+ case DREXIT1:
+ case DRPAUSE:
+ case DREXIT2:
+ case DRUPDATE:
+ start_code = 1;
+ start_state = DRPAUSE;
+ break;
+
+ case IRSELECT:
+ case IRCAPTURE:
+ case IRSHIFT:
+ case IREXIT1:
+ case IRPAUSE:
+ case IREXIT2:
+ case IRUPDATE:
+ start_code = 2;
+ start_state = IRPAUSE;
+ break;
+
+ default:
+ status = -EREMOTEIO;
+ break;
+ }
+
+ if (status == 0)
+ if (js->jtag_state != start_state)
+ status = altera_goto_jstate(astate, start_state);
+
+ if (status == 0) {
+ if (shift_count > js->ir_length) {
+ alloc_chars = (shift_count + 7) >> 3;
+ kfree(js->ir_buffer);
+ js->ir_buffer = (u8 *)alt_malloc(alloc_chars);
+ if (js->ir_buffer == NULL)
+ status = -ENOMEM;
+ else
+ js->ir_length = alloc_chars * 8;
+
+ }
+ }
+
+ if (status == 0) {
+ /*
+ * Copy preamble data, IR data,
+ * and postamble data into a buffer
+ */
+ altera_concatenate_data(js->ir_buffer,
+ js->ir_pre_data,
+ js->ir_pre,
+ in_data,
+ in_index,
+ count,
+ js->ir_post_data,
+ js->ir_post);
+
+ /* Do the IRSCAN */
+ alt_jtag_irscan(astate,
+ start_code,
+ shift_count,
+ js->ir_buffer,
+ js->ir_buffer);
+
+ /* alt_jtag_irscan() always ends in IRPAUSE state */
+ js->jtag_state = IRPAUSE;
+ }
+
+ if (status == 0)
+ if (js->irstop_state != IRPAUSE)
+ status = altera_goto_jstate(astate, js->irstop_state);
+
+
+ if (status == 0)
+ /* Now extract the returned data from the buffer */
+ altera_extract_target_data(js->ir_buffer,
+ out_data, out_index,
+ js->ir_pre, count);
+
+ return status;
+}
+
+int altera_drscan(struct altera_state *astate,
+ u32 count,
+ u8 *tdi_data,
+ u32 start_index)
+/* Shifts data into data register (ignoring output data) */
+{
+ struct altera_jtag *js = &astate->js;
+ int start_code = 0;
+ u32 alloc_chars = 0;
+ u32 shift_count = js->dr_pre + count + js->dr_post;
+ int status = 0;
+ enum altera_jtag_state start_state = ILLEGAL_JTAG_STATE;
+
+ switch (js->jtag_state) {
+ case ILLEGAL_JTAG_STATE:
+ case RESET:
+ case IDLE:
+ start_code = 0;
+ start_state = IDLE;
+ break;
+
+ case DRSELECT:
+ case DRCAPTURE:
+ case DRSHIFT:
+ case DREXIT1:
+ case DRPAUSE:
+ case DREXIT2:
+ case DRUPDATE:
+ start_code = 1;
+ start_state = DRPAUSE;
+ break;
+
+ case IRSELECT:
+ case IRCAPTURE:
+ case IRSHIFT:
+ case IREXIT1:
+ case IRPAUSE:
+ case IREXIT2:
+ case IRUPDATE:
+ start_code = 2;
+ start_state = IRPAUSE;
+ break;
+
+ default:
+ status = -EREMOTEIO;
+ break;
+ }
+
+ if (status == 0)
+ if (js->jtag_state != start_state)
+ status = altera_goto_jstate(astate, start_state);
+
+ if (status == 0) {
+ if (shift_count > js->dr_length) {
+ alloc_chars = (shift_count + 7) >> 3;
+ kfree(js->dr_buffer);
+ js->dr_buffer = (u8 *)alt_malloc(alloc_chars);
+ if (js->dr_buffer == NULL)
+ status = -ENOMEM;
+ else
+ js->dr_length = alloc_chars * 8;
+
+ }
+ }
+
+ if (status == 0) {
+ /*
+ * Copy preamble data, DR data,
+ * and postamble data into a buffer
+ */
+ altera_concatenate_data(js->dr_buffer,
+ js->dr_pre_data,
+ js->dr_pre,
+ tdi_data,
+ start_index,
+ count,
+ js->dr_post_data,
+ js->dr_post);
+ /* Do the DRSCAN */
+ alt_jtag_drscan(astate, start_code, shift_count,
+ js->dr_buffer, NULL);
+ /* alt_jtag_drscan() always ends in DRPAUSE state */
+ js->jtag_state = DRPAUSE;
+ }
+
+ if (status == 0)
+ if (js->drstop_state != DRPAUSE)
+ status = altera_goto_jstate(astate, js->drstop_state);
+
+ return status;
+}
+
+int altera_swap_dr(struct altera_state *astate, u32 count,
+ u8 *in_data, u32 in_index,
+ u8 *out_data, u32 out_index)
+/* Shifts data into data register, capturing output data */
+{
+ struct altera_jtag *js = &astate->js;
+ int start_code = 0;
+ u32 alloc_chars = 0;
+ u32 shift_count = js->dr_pre + count + js->dr_post;
+ int status = 0;
+ enum altera_jtag_state start_state = ILLEGAL_JTAG_STATE;
+
+ switch (js->jtag_state) {
+ case ILLEGAL_JTAG_STATE:
+ case RESET:
+ case IDLE:
+ start_code = 0;
+ start_state = IDLE;
+ break;
+
+ case DRSELECT:
+ case DRCAPTURE:
+ case DRSHIFT:
+ case DREXIT1:
+ case DRPAUSE:
+ case DREXIT2:
+ case DRUPDATE:
+ start_code = 1;
+ start_state = DRPAUSE;
+ break;
+
+ case IRSELECT:
+ case IRCAPTURE:
+ case IRSHIFT:
+ case IREXIT1:
+ case IRPAUSE:
+ case IREXIT2:
+ case IRUPDATE:
+ start_code = 2;
+ start_state = IRPAUSE;
+ break;
+
+ default:
+ status = -EREMOTEIO;
+ break;
+ }
+
+ if (status == 0)
+ if (js->jtag_state != start_state)
+ status = altera_goto_jstate(astate, start_state);
+
+ if (status == 0) {
+ if (shift_count > js->dr_length) {
+ alloc_chars = (shift_count + 7) >> 3;
+ kfree(js->dr_buffer);
+ js->dr_buffer = (u8 *)alt_malloc(alloc_chars);
+
+ if (js->dr_buffer == NULL)
+ status = -ENOMEM;
+ else
+ js->dr_length = alloc_chars * 8;
+
+ }
+ }
+
+ if (status == 0) {
+ /*
+ * Copy preamble data, DR data,
+ * and postamble data into a buffer
+ */
+ altera_concatenate_data(js->dr_buffer,
+ js->dr_pre_data,
+ js->dr_pre,
+ in_data,
+ in_index,
+ count,
+ js->dr_post_data,
+ js->dr_post);
+
+ /* Do the DRSCAN */
+ alt_jtag_drscan(astate,
+ start_code,
+ shift_count,
+ js->dr_buffer,
+ js->dr_buffer);
+
+ /* alt_jtag_drscan() always ends in DRPAUSE state */
+ js->jtag_state = DRPAUSE;
+ }
+
+ if (status == 0)
+ if (js->drstop_state != DRPAUSE)
+ status = altera_goto_jstate(astate, js->drstop_state);
+
+ if (status == 0)
+ /* Now extract the returned data from the buffer */
+ altera_extract_target_data(js->dr_buffer,
+ out_data,
+ out_index,
+ js->dr_pre,
+ count);
+
+ return status;
+}
+
+void altera_free_buffers(struct altera_state *astate)
+{
+ struct altera_jtag *js = &astate->js;
+ /* If the JTAG interface was used, reset it to TLR */
+ if (js->jtag_state != ILLEGAL_JTAG_STATE)
+ altera_jreset_idle(astate);
+
+ kfree(js->dr_pre_data);
+ js->dr_pre_data = NULL;
+
+ kfree(js->dr_post_data);
+ js->dr_post_data = NULL;
+
+ kfree(js->dr_buffer);
+ js->dr_buffer = NULL;
+
+ kfree(js->ir_pre_data);
+ js->ir_pre_data = NULL;
+
+ kfree(js->ir_post_data);
+ js->ir_post_data = NULL;
+
+ kfree(js->ir_buffer);
+ js->ir_buffer = NULL;
+}
diff --git a/drivers/misc/altera-stapl/altera-jtag.h b/drivers/misc/altera-stapl/altera-jtag.h
new file mode 100644
index 00000000000..2f97e36a2fb
--- /dev/null
+++ b/drivers/misc/altera-stapl/altera-jtag.h
@@ -0,0 +1,113 @@
+/*
+ * altera-jtag.h
+ *
+ * altera FPGA driver
+ *
+ * Copyright (C) Altera Corporation 1998-2001
+ * Copyright (C) 2010 NetUP Inc.
+ * Copyright (C) 2010 Igor M. Liplianin <liplianin@netup.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef ALTERA_JTAG_H
+#define ALTERA_JTAG_H
+
+/* Function Prototypes */
+enum altera_jtag_state {
+ ILLEGAL_JTAG_STATE = -1,
+ RESET = 0,
+ IDLE = 1,
+ DRSELECT = 2,
+ DRCAPTURE = 3,
+ DRSHIFT = 4,
+ DREXIT1 = 5,
+ DRPAUSE = 6,
+ DREXIT2 = 7,
+ DRUPDATE = 8,
+ IRSELECT = 9,
+ IRCAPTURE = 10,
+ IRSHIFT = 11,
+ IREXIT1 = 12,
+ IRPAUSE = 13,
+ IREXIT2 = 14,
+ IRUPDATE = 15
+
+};
+
+struct altera_jtag {
+ /* Global variable to store the current JTAG state */
+ enum altera_jtag_state jtag_state;
+
+ /* Store current stop-state for DR and IR scan commands */
+ enum altera_jtag_state drstop_state;
+ enum altera_jtag_state irstop_state;
+
+ /* Store current padding values */
+ u32 dr_pre;
+ u32 dr_post;
+ u32 ir_pre;
+ u32 ir_post;
+ u32 dr_length;
+ u32 ir_length;
+ u8 *dr_pre_data;
+ u8 *dr_post_data;
+ u8 *ir_pre_data;
+ u8 *ir_post_data;
+ u8 *dr_buffer;
+ u8 *ir_buffer;
+};
+
+#define ALTERA_STACK_SIZE 128
+#define ALTERA_MESSAGE_LENGTH 1024
+
+struct altera_state {
+ struct altera_config *config;
+ struct altera_jtag js;
+ char msg_buff[ALTERA_MESSAGE_LENGTH + 1];
+ long stack[ALTERA_STACK_SIZE];
+};
+
+int altera_jinit(struct altera_state *astate);
+int altera_set_drstop(struct altera_jtag *js, enum altera_jtag_state state);
+int altera_set_irstop(struct altera_jtag *js, enum altera_jtag_state state);
+int altera_set_dr_pre(struct altera_jtag *js, u32 count, u32 start_index,
+ u8 *preamble_data);
+int altera_set_ir_pre(struct altera_jtag *js, u32 count, u32 start_index,
+ u8 *preamble_data);
+int altera_set_dr_post(struct altera_jtag *js, u32 count, u32 start_index,
+ u8 *postamble_data);
+int altera_set_ir_post(struct altera_jtag *js, u32 count, u32 start_index,
+ u8 *postamble_data);
+int altera_goto_jstate(struct altera_state *astate,
+ enum altera_jtag_state state);
+int altera_wait_cycles(struct altera_state *astate, s32 cycles,
+ enum altera_jtag_state wait_state);
+int altera_wait_msecs(struct altera_state *astate, s32 microseconds,
+ enum altera_jtag_state wait_state);
+int altera_irscan(struct altera_state *astate, u32 count,
+ u8 *tdi_data, u32 start_index);
+int altera_swap_ir(struct altera_state *astate,
+ u32 count, u8 *in_data,
+ u32 in_index, u8 *out_data,
+ u32 out_index);
+int altera_drscan(struct altera_state *astate, u32 count,
+ u8 *tdi_data, u32 start_index);
+int altera_swap_dr(struct altera_state *astate, u32 count,
+ u8 *in_data, u32 in_index,
+ u8 *out_data, u32 out_index);
+void altera_free_buffers(struct altera_state *astate);
+#endif /* ALTERA_JTAG_H */
diff --git a/drivers/misc/altera-stapl/altera-lpt.c b/drivers/misc/altera-stapl/altera-lpt.c
new file mode 100644
index 00000000000..91456a03612
--- /dev/null
+++ b/drivers/misc/altera-stapl/altera-lpt.c
@@ -0,0 +1,70 @@
+/*
+ * altera-lpt.c
+ *
+ * altera FPGA driver
+ *
+ * Copyright (C) Altera Corporation 1998-2001
+ * Copyright (C) 2010 NetUP Inc.
+ * Copyright (C) 2010 Abylay Ospan <aospan@netup.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include "altera-exprt.h"
+
+static int lpt_hardware_initialized;
+
+static void byteblaster_write(int port, int data)
+{
+ outb((u8)data, (u16)(port + 0x378));
+};
+
+static int byteblaster_read(int port)
+{
+ int data = 0;
+ data = inb((u16)(port + 0x378));
+ return data & 0xff;
+};
+
+int netup_jtag_io_lpt(void *device, int tms, int tdi, int read_tdo)
+{
+ int data = 0;
+ int tdo = 0;
+ int initial_lpt_ctrl = 0;
+
+ if (!lpt_hardware_initialized) {
+ initial_lpt_ctrl = byteblaster_read(2);
+ byteblaster_write(2, (initial_lpt_ctrl | 0x02) & 0xdf);
+ lpt_hardware_initialized = 1;
+ }
+
+ data = ((tdi ? 0x40 : 0) | (tms ? 0x02 : 0));
+
+ byteblaster_write(0, data);
+
+ if (read_tdo) {
+ tdo = byteblaster_read(1);
+ tdo = ((tdo & 0x80) ? 0 : 1);
+ }
+
+ byteblaster_write(0, data | 0x01);
+
+ byteblaster_write(0, data);
+
+ return tdo;
+}
diff --git a/drivers/misc/altera-stapl/altera.c b/drivers/misc/altera-stapl/altera.c
new file mode 100644
index 00000000000..24272e022be
--- /dev/null
+++ b/drivers/misc/altera-stapl/altera.c
@@ -0,0 +1,2537 @@
+/*
+ * altera.c
+ *
+ * altera FPGA driver
+ *
+ * Copyright (C) Altera Corporation 1998-2001
+ * Copyright (C) 2010,2011 NetUP Inc.
+ * Copyright (C) 2010,2011 Igor M. Liplianin <liplianin@netup.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <asm/unaligned.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/firmware.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <misc/altera.h>
+#include "altera-exprt.h"
+#include "altera-jtag.h"
+
+static int debug = 1;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debugging information");
+
+MODULE_DESCRIPTION("altera FPGA kernel module");
+MODULE_AUTHOR("Igor M. Liplianin <liplianin@netup.ru>");
+MODULE_LICENSE("GPL");
+
+#define dprintk(args...) \
+ if (debug) { \
+ printk(KERN_DEBUG args); \
+ }
+
+enum altera_fpga_opcode {
+ OP_NOP = 0,
+ OP_DUP,
+ OP_SWP,
+ OP_ADD,
+ OP_SUB,
+ OP_MULT,
+ OP_DIV,
+ OP_MOD,
+ OP_SHL,
+ OP_SHR,
+ OP_NOT,
+ OP_AND,
+ OP_OR,
+ OP_XOR,
+ OP_INV,
+ OP_GT,
+ OP_LT,
+ OP_RET,
+ OP_CMPS,
+ OP_PINT,
+ OP_PRNT,
+ OP_DSS,
+ OP_DSSC,
+ OP_ISS,
+ OP_ISSC,
+ OP_DPR = 0x1c,
+ OP_DPRL,
+ OP_DPO,
+ OP_DPOL,
+ OP_IPR,
+ OP_IPRL,
+ OP_IPO,
+ OP_IPOL,
+ OP_PCHR,
+ OP_EXIT,
+ OP_EQU,
+ OP_POPT,
+ OP_ABS = 0x2c,
+ OP_BCH0,
+ OP_PSH0 = 0x2f,
+ OP_PSHL = 0x40,
+ OP_PSHV,
+ OP_JMP,
+ OP_CALL,
+ OP_NEXT,
+ OP_PSTR,
+ OP_SINT = 0x47,
+ OP_ST,
+ OP_ISTP,
+ OP_DSTP,
+ OP_SWPN,
+ OP_DUPN,
+ OP_POPV,
+ OP_POPE,
+ OP_POPA,
+ OP_JMPZ,
+ OP_DS,
+ OP_IS,
+ OP_DPRA,
+ OP_DPOA,
+ OP_IPRA,
+ OP_IPOA,
+ OP_EXPT,
+ OP_PSHE,
+ OP_PSHA,
+ OP_DYNA,
+ OP_EXPV = 0x5c,
+ OP_COPY = 0x80,
+ OP_REVA,
+ OP_DSC,
+ OP_ISC,
+ OP_WAIT,
+ OP_VS,
+ OP_CMPA = 0xc0,
+ OP_VSC,
+};
+
+struct altera_procinfo {
+ char *name;
+ u8 attrs;
+ struct altera_procinfo *next;
+};
+
+/* This function checks if enough parameters are available on the stack. */
+static int altera_check_stack(int stack_ptr, int count, int *status)
+{
+ if (stack_ptr < count) {
+ *status = -EOVERFLOW;
+ return 0;
+ }
+
+ return 1;
+}
+
+static void altera_export_int(char *key, s32 value)
+{
+ dprintk("Export: key = \"%s\", value = %d\n", key, value);
+}
+
+#define HEX_LINE_CHARS 72
+#define HEX_LINE_BITS (HEX_LINE_CHARS * 4)
+
+static void altera_export_bool_array(char *key, u8 *data, s32 count)
+{
+ char string[HEX_LINE_CHARS + 1];
+ s32 i, offset;
+ u32 size, line, lines, linebits, value, j, k;
+
+ if (count > HEX_LINE_BITS) {
+ dprintk("Export: key = \"%s\", %d bits, value = HEX\n",
+ key, count);
+ lines = (count + (HEX_LINE_BITS - 1)) / HEX_LINE_BITS;
+
+ for (line = 0; line < lines; ++line) {
+ if (line < (lines - 1)) {
+ linebits = HEX_LINE_BITS;
+ size = HEX_LINE_CHARS;
+ offset = count - ((line + 1) * HEX_LINE_BITS);
+ } else {
+ linebits =
+ count - ((lines - 1) * HEX_LINE_BITS);
+ size = (linebits + 3) / 4;
+ offset = 0L;
+ }
+
+ string[size] = '\0';
+ j = size - 1;
+ value = 0;
+
+ for (k = 0; k < linebits; ++k) {
+ i = k + offset;
+ if (data[i >> 3] & (1 << (i & 7)))
+ value |= (1 << (i & 3));
+ if ((i & 3) == 3) {
+ sprintf(&string[j], "%1x", value);
+ value = 0;
+ --j;
+ }
+ }
+ if ((k & 3) > 0)
+ sprintf(&string[j], "%1x", value);
+
+ dprintk("%s\n", string);
+ }
+
+ } else {
+ size = (count + 3) / 4;
+ string[size] = '\0';
+ j = size - 1;
+ value = 0;
+
+ for (i = 0; i < count; ++i) {
+ if (data[i >> 3] & (1 << (i & 7)))
+ value |= (1 << (i & 3));
+ if ((i & 3) == 3) {
+ sprintf(&string[j], "%1x", value);
+ value = 0;
+ --j;
+ }
+ }
+ if ((i & 3) > 0)
+ sprintf(&string[j], "%1x", value);
+
+ dprintk("Export: key = \"%s\", %d bits, value = HEX %s\n",
+ key, count, string);
+ }
+}
+
+static int altera_execute(struct altera_state *astate,
+ u8 *p,
+ s32 program_size,
+ s32 *error_address,
+ int *exit_code,
+ int *format_version)
+{
+ struct altera_config *aconf = astate->config;
+ char *msg_buff = astate->msg_buff;
+ long *stack = astate->stack;
+ int status = 0;
+ u32 first_word = 0L;
+ u32 action_table = 0L;
+ u32 proc_table = 0L;
+ u32 str_table = 0L;
+ u32 sym_table = 0L;
+ u32 data_sect = 0L;
+ u32 code_sect = 0L;
+ u32 debug_sect = 0L;
+ u32 action_count = 0L;
+ u32 proc_count = 0L;
+ u32 sym_count = 0L;
+ long *vars = NULL;
+ s32 *var_size = NULL;
+ char *attrs = NULL;
+ u8 *proc_attributes = NULL;
+ u32 pc;
+ u32 opcode_address;
+ u32 args[3];
+ u32 opcode;
+ u32 name_id;
+ u8 charbuf[4];
+ long long_tmp;
+ u32 variable_id;
+ u8 *charptr_tmp;
+ u8 *charptr_tmp2;
+ long *longptr_tmp;
+ int version = 0;
+ int delta = 0;
+ int stack_ptr = 0;
+ u32 arg_count;
+ int done = 0;
+ int bad_opcode = 0;
+ u32 count;
+ u32 index;
+ u32 index2;
+ s32 long_count;
+ s32 long_idx;
+ s32 long_idx2;
+ u32 i;
+ u32 j;
+ u32 uncomp_size;
+ u32 offset;
+ u32 value;
+ int current_proc = 0;
+ int reverse;
+
+ char *name;
+
+ dprintk("%s\n", __func__);
+
+ /* Read header information */
+ if (program_size > 52L) {
+ first_word = get_unaligned_be32(&p[0]);
+ version = (first_word & 1L);
+ *format_version = version + 1;
+ delta = version * 8;
+
+ action_table = get_unaligned_be32(&p[4]);
+ proc_table = get_unaligned_be32(&p[8]);
+ str_table = get_unaligned_be32(&p[4 + delta]);
+ sym_table = get_unaligned_be32(&p[16 + delta]);
+ data_sect = get_unaligned_be32(&p[20 + delta]);
+ code_sect = get_unaligned_be32(&p[24 + delta]);
+ debug_sect = get_unaligned_be32(&p[28 + delta]);
+ action_count = get_unaligned_be32(&p[40 + delta]);
+ proc_count = get_unaligned_be32(&p[44 + delta]);
+ sym_count = get_unaligned_be32(&p[48 + (2 * delta)]);
+ }
+
+ if ((first_word != 0x4A414D00L) && (first_word != 0x4A414D01L)) {
+ done = 1;
+ status = -EIO;
+ goto exit_done;
+ }
+
+ if (sym_count <= 0)
+ goto exit_done;
+
+ vars = kzalloc(sym_count * sizeof(long), GFP_KERNEL);
+
+ if (vars == NULL)
+ status = -ENOMEM;
+
+ if (status == 0) {
+ var_size = kzalloc(sym_count * sizeof(s32), GFP_KERNEL);
+
+ if (var_size == NULL)
+ status = -ENOMEM;
+ }
+
+ if (status == 0) {
+ attrs = kzalloc(sym_count, GFP_KERNEL);
+
+ if (attrs == NULL)
+ status = -ENOMEM;
+ }
+
+ if ((status == 0) && (version > 0)) {
+ proc_attributes = kzalloc(proc_count, GFP_KERNEL);
+
+ if (proc_attributes == NULL)
+ status = -ENOMEM;
+ }
+
+ if (status != 0)
+ goto exit_done;
+
+ delta = version * 2;
+
+ for (i = 0; i < sym_count; ++i) {
+ offset = (sym_table + ((11 + delta) * i));
+
+ value = get_unaligned_be32(&p[offset + 3 + delta]);
+
+ attrs[i] = p[offset];
+
+ /*
+ * use bit 7 of attribute byte to indicate that
+ * this buffer was dynamically allocated
+ * and should be freed later
+ */
+ attrs[i] &= 0x7f;
+
+ var_size[i] = get_unaligned_be32(&p[offset + 7 + delta]);
+
+ /*
+ * Attribute bits:
+ * bit 0: 0 = read-only, 1 = read-write
+ * bit 1: 0 = not compressed, 1 = compressed
+ * bit 2: 0 = not initialized, 1 = initialized
+ * bit 3: 0 = scalar, 1 = array
+ * bit 4: 0 = Boolean, 1 = integer
+ * bit 5: 0 = declared variable,
+ * 1 = compiler created temporary variable
+ */
+
+ if ((attrs[i] & 0x0c) == 0x04)
+ /* initialized scalar variable */
+ vars[i] = value;
+ else if ((attrs[i] & 0x1e) == 0x0e) {
+ /* initialized compressed Boolean array */
+ uncomp_size = get_unaligned_le32(&p[data_sect + value]);
+
+ /* allocate a buffer for the uncompressed data */
+ vars[i] = (long)kzalloc(uncomp_size, GFP_KERNEL);
+ if (vars[i] == 0L)
+ status = -ENOMEM;
+ else {
+ /* set flag so buffer will be freed later */
+ attrs[i] |= 0x80;
+
+ /* uncompress the data */
+ if (altera_shrink(&p[data_sect + value],
+ var_size[i],
+ (u8 *)vars[i],
+ uncomp_size,
+ version) != uncomp_size)
+ /* decompression failed */
+ status = -EIO;
+ else
+ var_size[i] = uncomp_size * 8L;
+
+ }
+ } else if ((attrs[i] & 0x1e) == 0x0c) {
+ /* initialized Boolean array */
+ vars[i] = value + data_sect + (long)p;
+ } else if ((attrs[i] & 0x1c) == 0x1c) {
+ /* initialized integer array */
+ vars[i] = value + data_sect;
+ } else if ((attrs[i] & 0x0c) == 0x08) {
+ /* uninitialized array */
+
+ /* flag attrs so that memory is freed */
+ attrs[i] |= 0x80;
+
+ if (var_size[i] > 0) {
+ u32 size;
+
+ if (attrs[i] & 0x10)
+ /* integer array */
+ size = (var_size[i] * sizeof(s32));
+ else
+ /* Boolean array */
+ size = ((var_size[i] + 7L) / 8L);
+
+ vars[i] = (long)kzalloc(size, GFP_KERNEL);
+
+ if (vars[i] == 0) {
+ status = -ENOMEM;
+ } else {
+ /* zero out memory */
+ for (j = 0; j < size; ++j)
+ ((u8 *)(vars[i]))[j] = 0;
+
+ }
+ } else
+ vars[i] = 0;
+
+ } else
+ vars[i] = 0;
+
+ }
+
+exit_done:
+ if (status != 0)
+ done = 1;
+
+ altera_jinit(astate);
+
+ pc = code_sect;
+ msg_buff[0] = '\0';
+
+ /*
+ * For JBC version 2, we will execute the procedures corresponding to
+ * the selected ACTION
+ */
+ if (version > 0) {
+ if (aconf->action == NULL) {
+ status = -EINVAL;
+ done = 1;
+ } else {
+ int action_found = 0;
+ for (i = 0; (i < action_count) && !action_found; ++i) {
+ name_id = get_unaligned_be32(&p[action_table +
+ (12 * i)]);
+
+ name = &p[str_table + name_id];
+
+ if (strnicmp(aconf->action, name, strlen(name)) == 0) {
+ action_found = 1;
+ current_proc =
+ get_unaligned_be32(&p[action_table +
+ (12 * i) + 8]);
+ }
+ }
+
+ if (!action_found) {
+ status = -EINVAL;
+ done = 1;
+ }
+ }
+
+ if (status == 0) {
+ int first_time = 1;
+ i = current_proc;
+ while ((i != 0) || first_time) {
+ first_time = 0;
+ /* check procedure attribute byte */
+ proc_attributes[i] =
+ (p[proc_table +
+ (13 * i) + 8] &
+ 0x03);
+
+ /*
+ * BIT0 - OPTIONAL
+ * BIT1 - RECOMMENDED
+ * BIT6 - FORCED OFF
+ * BIT7 - FORCED ON
+ */
+
+ i = get_unaligned_be32(&p[proc_table +
+ (13 * i) + 4]);
+ }
+
+ /*
+ * Set current_proc to the first procedure
+ * to be executed
+ */
+ i = current_proc;
+ while ((i != 0) &&
+ ((proc_attributes[i] == 1) ||
+ ((proc_attributes[i] & 0xc0) == 0x40))) {
+ i = get_unaligned_be32(&p[proc_table +
+ (13 * i) + 4]);
+ }
+
+ if ((i != 0) || ((i == 0) && (current_proc == 0) &&
+ ((proc_attributes[0] != 1) &&
+ ((proc_attributes[0] & 0xc0) != 0x40)))) {
+ current_proc = i;
+ pc = code_sect +
+ get_unaligned_be32(&p[proc_table +
+ (13 * i) + 9]);
+ if ((pc < code_sect) || (pc >= debug_sect))
+ status = -ERANGE;
+ } else
+ /* there are no procedures to execute! */
+ done = 1;
+
+ }
+ }
+
+ msg_buff[0] = '\0';
+
+ while (!done) {
+ opcode = (p[pc] & 0xff);
+ opcode_address = pc;
+ ++pc;
+
+ if (debug > 1)
+ printk("opcode: %02x\n", opcode);
+
+ arg_count = (opcode >> 6) & 3;
+ for (i = 0; i < arg_count; ++i) {
+ args[i] = get_unaligned_be32(&p[pc]);
+ pc += 4;
+ }
+
+ switch (opcode) {
+ case OP_NOP:
+ break;
+ case OP_DUP:
+ if (altera_check_stack(stack_ptr, 1, &status)) {
+ stack[stack_ptr] = stack[stack_ptr - 1];
+ ++stack_ptr;
+ }
+ break;
+ case OP_SWP:
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ long_tmp = stack[stack_ptr - 2];
+ stack[stack_ptr - 2] = stack[stack_ptr - 1];
+ stack[stack_ptr - 1] = long_tmp;
+ }
+ break;
+ case OP_ADD:
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ --stack_ptr;
+ stack[stack_ptr - 1] += stack[stack_ptr];
+ }
+ break;
+ case OP_SUB:
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ --stack_ptr;
+ stack[stack_ptr - 1] -= stack[stack_ptr];
+ }
+ break;
+ case OP_MULT:
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ --stack_ptr;
+ stack[stack_ptr - 1] *= stack[stack_ptr];
+ }
+ break;
+ case OP_DIV:
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ --stack_ptr;
+ stack[stack_ptr - 1] /= stack[stack_ptr];
+ }
+ break;
+ case OP_MOD:
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ --stack_ptr;
+ stack[stack_ptr - 1] %= stack[stack_ptr];
+ }
+ break;
+ case OP_SHL:
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ --stack_ptr;
+ stack[stack_ptr - 1] <<= stack[stack_ptr];
+ }
+ break;
+ case OP_SHR:
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ --stack_ptr;
+ stack[stack_ptr - 1] >>= stack[stack_ptr];
+ }
+ break;
+ case OP_NOT:
+ if (altera_check_stack(stack_ptr, 1, &status))
+ stack[stack_ptr - 1] ^= (-1L);
+
+ break;
+ case OP_AND:
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ --stack_ptr;
+ stack[stack_ptr - 1] &= stack[stack_ptr];
+ }
+ break;
+ case OP_OR:
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ --stack_ptr;
+ stack[stack_ptr - 1] |= stack[stack_ptr];
+ }
+ break;
+ case OP_XOR:
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ --stack_ptr;
+ stack[stack_ptr - 1] ^= stack[stack_ptr];
+ }
+ break;
+ case OP_INV:
+ if (!altera_check_stack(stack_ptr, 1, &status))
+ break;
+ stack[stack_ptr - 1] = stack[stack_ptr - 1] ? 0L : 1L;
+ break;
+ case OP_GT:
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ --stack_ptr;
+ stack[stack_ptr - 1] =
+ (stack[stack_ptr - 1] > stack[stack_ptr]) ?
+ 1L : 0L;
+
+ break;
+ case OP_LT:
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ --stack_ptr;
+ stack[stack_ptr - 1] =
+ (stack[stack_ptr - 1] < stack[stack_ptr]) ?
+ 1L : 0L;
+
+ break;
+ case OP_RET:
+ if ((version > 0) && (stack_ptr == 0)) {
+ /*
+ * We completed one of the main procedures
+ * of an ACTION.
+ * Find the next procedure
+ * to be executed and jump to it.
+ * If there are no more procedures, then EXIT.
+ */
+ i = get_unaligned_be32(&p[proc_table +
+ (13 * current_proc) + 4]);
+ while ((i != 0) &&
+ ((proc_attributes[i] == 1) ||
+ ((proc_attributes[i] & 0xc0) == 0x40)))
+ i = get_unaligned_be32(&p[proc_table +
+ (13 * i) + 4]);
+
+ if (i == 0) {
+ /* no procedures to execute! */
+ done = 1;
+ *exit_code = 0; /* success */
+ } else {
+ current_proc = i;
+ pc = code_sect + get_unaligned_be32(
+ &p[proc_table +
+ (13 * i) + 9]);
+ if ((pc < code_sect) ||
+ (pc >= debug_sect))
+ status = -ERANGE;
+ }
+
+ } else
+ if (altera_check_stack(stack_ptr, 1, &status)) {
+ pc = stack[--stack_ptr] + code_sect;
+ if ((pc <= code_sect) ||
+ (pc >= debug_sect))
+ status = -ERANGE;
+
+ }
+
+ break;
+ case OP_CMPS:
+ /*
+ * Array short compare
+ * ...stack 0 is source 1 value
+ * ...stack 1 is source 2 value
+ * ...stack 2 is mask value
+ * ...stack 3 is count
+ */
+ if (altera_check_stack(stack_ptr, 4, &status)) {
+ s32 a = stack[--stack_ptr];
+ s32 b = stack[--stack_ptr];
+ long_tmp = stack[--stack_ptr];
+ count = stack[stack_ptr - 1];
+
+ if ((count < 1) || (count > 32))
+ status = -ERANGE;
+ else {
+ long_tmp &= ((-1L) >> (32 - count));
+
+ stack[stack_ptr - 1] =
+ ((a & long_tmp) == (b & long_tmp))
+ ? 1L : 0L;
+ }
+ }
+ break;
+ case OP_PINT:
+ /*
+ * PRINT add integer
+ * ...stack 0 is integer value
+ */
+ if (!altera_check_stack(stack_ptr, 1, &status))
+ break;
+ sprintf(&msg_buff[strlen(msg_buff)],
+ "%ld", stack[--stack_ptr]);
+ break;
+ case OP_PRNT:
+ /* PRINT finish */
+ if (debug)
+ printk(msg_buff, "\n");
+
+ msg_buff[0] = '\0';
+ break;
+ case OP_DSS:
+ /*
+ * DRSCAN short
+ * ...stack 0 is scan data
+ * ...stack 1 is count
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ long_tmp = stack[--stack_ptr];
+ count = stack[--stack_ptr];
+ put_unaligned_le32(long_tmp, &charbuf[0]);
+ status = altera_drscan(astate, count, charbuf, 0);
+ break;
+ case OP_DSSC:
+ /*
+ * DRSCAN short with capture
+ * ...stack 0 is scan data
+ * ...stack 1 is count
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ long_tmp = stack[--stack_ptr];
+ count = stack[stack_ptr - 1];
+ put_unaligned_le32(long_tmp, &charbuf[0]);
+ status = altera_swap_dr(astate, count, charbuf,
+ 0, charbuf, 0);
+ stack[stack_ptr - 1] = get_unaligned_le32(&charbuf[0]);
+ break;
+ case OP_ISS:
+ /*
+ * IRSCAN short
+ * ...stack 0 is scan data
+ * ...stack 1 is count
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ long_tmp = stack[--stack_ptr];
+ count = stack[--stack_ptr];
+ put_unaligned_le32(long_tmp, &charbuf[0]);
+ status = altera_irscan(astate, count, charbuf, 0);
+ break;
+ case OP_ISSC:
+ /*
+ * IRSCAN short with capture
+ * ...stack 0 is scan data
+ * ...stack 1 is count
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ long_tmp = stack[--stack_ptr];
+ count = stack[stack_ptr - 1];
+ put_unaligned_le32(long_tmp, &charbuf[0]);
+ status = altera_swap_ir(astate, count, charbuf,
+ 0, charbuf, 0);
+ stack[stack_ptr - 1] = get_unaligned_le32(&charbuf[0]);
+ break;
+ case OP_DPR:
+ if (!altera_check_stack(stack_ptr, 1, &status))
+ break;
+ count = stack[--stack_ptr];
+ status = altera_set_dr_pre(&astate->js, count, 0, NULL);
+ break;
+ case OP_DPRL:
+ /*
+ * DRPRE with literal data
+ * ...stack 0 is count
+ * ...stack 1 is literal data
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ count = stack[--stack_ptr];
+ long_tmp = stack[--stack_ptr];
+ put_unaligned_le32(long_tmp, &charbuf[0]);
+ status = altera_set_dr_pre(&astate->js, count, 0,
+ charbuf);
+ break;
+ case OP_DPO:
+ /*
+ * DRPOST
+ * ...stack 0 is count
+ */
+ if (altera_check_stack(stack_ptr, 1, &status)) {
+ count = stack[--stack_ptr];
+ status = altera_set_dr_post(&astate->js, count,
+ 0, NULL);
+ }
+ break;
+ case OP_DPOL:
+ /*
+ * DRPOST with literal data
+ * ...stack 0 is count
+ * ...stack 1 is literal data
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ count = stack[--stack_ptr];
+ long_tmp = stack[--stack_ptr];
+ put_unaligned_le32(long_tmp, &charbuf[0]);
+ status = altera_set_dr_post(&astate->js, count, 0,
+ charbuf);
+ break;
+ case OP_IPR:
+ if (altera_check_stack(stack_ptr, 1, &status)) {
+ count = stack[--stack_ptr];
+ status = altera_set_ir_pre(&astate->js, count,
+ 0, NULL);
+ }
+ break;
+ case OP_IPRL:
+ /*
+ * IRPRE with literal data
+ * ...stack 0 is count
+ * ...stack 1 is literal data
+ */
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ count = stack[--stack_ptr];
+ long_tmp = stack[--stack_ptr];
+ put_unaligned_le32(long_tmp, &charbuf[0]);
+ status = altera_set_ir_pre(&astate->js, count,
+ 0, charbuf);
+ }
+ break;
+ case OP_IPO:
+ /*
+ * IRPOST
+ * ...stack 0 is count
+ */
+ if (altera_check_stack(stack_ptr, 1, &status)) {
+ count = stack[--stack_ptr];
+ status = altera_set_ir_post(&astate->js, count,
+ 0, NULL);
+ }
+ break;
+ case OP_IPOL:
+ /*
+ * IRPOST with literal data
+ * ...stack 0 is count
+ * ...stack 1 is literal data
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ count = stack[--stack_ptr];
+ long_tmp = stack[--stack_ptr];
+ put_unaligned_le32(long_tmp, &charbuf[0]);
+ status = altera_set_ir_post(&astate->js, count, 0,
+ charbuf);
+ break;
+ case OP_PCHR:
+ if (altera_check_stack(stack_ptr, 1, &status)) {
+ u8 ch;
+ count = strlen(msg_buff);
+ ch = (char) stack[--stack_ptr];
+ if ((ch < 1) || (ch > 127)) {
+ /*
+ * character code out of range
+ * instead of flagging an error,
+ * force the value to 127
+ */
+ ch = 127;
+ }
+ msg_buff[count] = ch;
+ msg_buff[count + 1] = '\0';
+ }
+ break;
+ case OP_EXIT:
+ if (altera_check_stack(stack_ptr, 1, &status))
+ *exit_code = stack[--stack_ptr];
+
+ done = 1;
+ break;
+ case OP_EQU:
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ --stack_ptr;
+ stack[stack_ptr - 1] =
+ (stack[stack_ptr - 1] == stack[stack_ptr]) ?
+ 1L : 0L;
+ break;
+ case OP_POPT:
+ if (altera_check_stack(stack_ptr, 1, &status))
+ --stack_ptr;
+
+ break;
+ case OP_ABS:
+ if (!altera_check_stack(stack_ptr, 1, &status))
+ break;
+ if (stack[stack_ptr - 1] < 0)
+ stack[stack_ptr - 1] = 0 - stack[stack_ptr - 1];
+
+ break;
+ case OP_BCH0:
+ /*
+ * Batch operation 0
+ * SWP
+ * SWPN 7
+ * SWP
+ * SWPN 6
+ * DUPN 8
+ * SWPN 2
+ * SWP
+ * DUPN 6
+ * DUPN 6
+ */
+
+ /* SWP */
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ long_tmp = stack[stack_ptr - 2];
+ stack[stack_ptr - 2] = stack[stack_ptr - 1];
+ stack[stack_ptr - 1] = long_tmp;
+ }
+
+ /* SWPN 7 */
+ index = 7 + 1;
+ if (altera_check_stack(stack_ptr, index, &status)) {
+ long_tmp = stack[stack_ptr - index];
+ stack[stack_ptr - index] = stack[stack_ptr - 1];
+ stack[stack_ptr - 1] = long_tmp;
+ }
+
+ /* SWP */
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ long_tmp = stack[stack_ptr - 2];
+ stack[stack_ptr - 2] = stack[stack_ptr - 1];
+ stack[stack_ptr - 1] = long_tmp;
+ }
+
+ /* SWPN 6 */
+ index = 6 + 1;
+ if (altera_check_stack(stack_ptr, index, &status)) {
+ long_tmp = stack[stack_ptr - index];
+ stack[stack_ptr - index] = stack[stack_ptr - 1];
+ stack[stack_ptr - 1] = long_tmp;
+ }
+
+ /* DUPN 8 */
+ index = 8 + 1;
+ if (altera_check_stack(stack_ptr, index, &status)) {
+ stack[stack_ptr] = stack[stack_ptr - index];
+ ++stack_ptr;
+ }
+
+ /* SWPN 2 */
+ index = 2 + 1;
+ if (altera_check_stack(stack_ptr, index, &status)) {
+ long_tmp = stack[stack_ptr - index];
+ stack[stack_ptr - index] = stack[stack_ptr - 1];
+ stack[stack_ptr - 1] = long_tmp;
+ }
+
+ /* SWP */
+ if (altera_check_stack(stack_ptr, 2, &status)) {
+ long_tmp = stack[stack_ptr - 2];
+ stack[stack_ptr - 2] = stack[stack_ptr - 1];
+ stack[stack_ptr - 1] = long_tmp;
+ }
+
+ /* DUPN 6 */
+ index = 6 + 1;
+ if (altera_check_stack(stack_ptr, index, &status)) {
+ stack[stack_ptr] = stack[stack_ptr - index];
+ ++stack_ptr;
+ }
+
+ /* DUPN 6 */
+ index = 6 + 1;
+ if (altera_check_stack(stack_ptr, index, &status)) {
+ stack[stack_ptr] = stack[stack_ptr - index];
+ ++stack_ptr;
+ }
+ break;
+ case OP_PSH0:
+ stack[stack_ptr++] = 0;
+ break;
+ case OP_PSHL:
+ stack[stack_ptr++] = (s32) args[0];
+ break;
+ case OP_PSHV:
+ stack[stack_ptr++] = vars[args[0]];
+ break;
+ case OP_JMP:
+ pc = args[0] + code_sect;
+ if ((pc < code_sect) || (pc >= debug_sect))
+ status = -ERANGE;
+ break;
+ case OP_CALL:
+ stack[stack_ptr++] = pc;
+ pc = args[0] + code_sect;
+ if ((pc < code_sect) || (pc >= debug_sect))
+ status = -ERANGE;
+ break;
+ case OP_NEXT:
+ /*
+ * Process FOR / NEXT loop
+ * ...argument 0 is variable ID
+ * ...stack 0 is step value
+ * ...stack 1 is end value
+ * ...stack 2 is top address
+ */
+ if (altera_check_stack(stack_ptr, 3, &status)) {
+ s32 step = stack[stack_ptr - 1];
+ s32 end = stack[stack_ptr - 2];
+ s32 top = stack[stack_ptr - 3];
+ s32 iterator = vars[args[0]];
+ int break_out = 0;
+
+ if (step < 0) {
+ if (iterator <= end)
+ break_out = 1;
+ } else if (iterator >= end)
+ break_out = 1;
+
+ if (break_out) {
+ stack_ptr -= 3;
+ } else {
+ vars[args[0]] = iterator + step;
+ pc = top + code_sect;
+ if ((pc < code_sect) ||
+ (pc >= debug_sect))
+ status = -ERANGE;
+ }
+ }
+ break;
+ case OP_PSTR:
+ /*
+ * PRINT add string
+ * ...argument 0 is string ID
+ */
+ count = strlen(msg_buff);
+ strlcpy(&msg_buff[count],
+ &p[str_table + args[0]],
+ ALTERA_MESSAGE_LENGTH - count);
+ break;
+ case OP_SINT:
+ /*
+ * STATE intermediate state
+ * ...argument 0 is state code
+ */
+ status = altera_goto_jstate(astate, args[0]);
+ break;
+ case OP_ST:
+ /*
+ * STATE final state
+ * ...argument 0 is state code
+ */
+ status = altera_goto_jstate(astate, args[0]);
+ break;
+ case OP_ISTP:
+ /*
+ * IRSTOP state
+ * ...argument 0 is state code
+ */
+ status = altera_set_irstop(&astate->js, args[0]);
+ break;
+ case OP_DSTP:
+ /*
+ * DRSTOP state
+ * ...argument 0 is state code
+ */
+ status = altera_set_drstop(&astate->js, args[0]);
+ break;
+
+ case OP_SWPN:
+ /*
+ * Exchange top with Nth stack value
+ * ...argument 0 is 0-based stack entry
+ * to swap with top element
+ */
+ index = (args[0]) + 1;
+ if (altera_check_stack(stack_ptr, index, &status)) {
+ long_tmp = stack[stack_ptr - index];
+ stack[stack_ptr - index] = stack[stack_ptr - 1];
+ stack[stack_ptr - 1] = long_tmp;
+ }
+ break;
+ case OP_DUPN:
+ /*
+ * Duplicate Nth stack value
+ * ...argument 0 is 0-based stack entry to duplicate
+ */
+ index = (args[0]) + 1;
+ if (altera_check_stack(stack_ptr, index, &status)) {
+ stack[stack_ptr] = stack[stack_ptr - index];
+ ++stack_ptr;
+ }
+ break;
+ case OP_POPV:
+ /*
+ * Pop stack into scalar variable
+ * ...argument 0 is variable ID
+ * ...stack 0 is value
+ */
+ if (altera_check_stack(stack_ptr, 1, &status))
+ vars[args[0]] = stack[--stack_ptr];
+
+ break;
+ case OP_POPE:
+ /*
+ * Pop stack into integer array element
+ * ...argument 0 is variable ID
+ * ...stack 0 is array index
+ * ...stack 1 is value
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ variable_id = args[0];
+
+ /*
+ * If variable is read-only,
+ * convert to writable array
+ */
+ if ((version > 0) &&
+ ((attrs[variable_id] & 0x9c) == 0x1c)) {
+ /* Allocate a writable buffer for this array */
+ count = var_size[variable_id];
+ long_tmp = vars[variable_id];
+ longptr_tmp = kzalloc(count * sizeof(long),
+ GFP_KERNEL);
+ vars[variable_id] = (long)longptr_tmp;
+
+ if (vars[variable_id] == 0) {
+ status = -ENOMEM;
+ break;
+ }
+
+ /* copy previous contents into buffer */
+ for (i = 0; i < count; ++i) {
+ longptr_tmp[i] =
+ get_unaligned_be32(&p[long_tmp]);
+ long_tmp += sizeof(long);
+ }
+
+ /*
+ * set bit 7 - buffer was
+ * dynamically allocated
+ */
+ attrs[variable_id] |= 0x80;
+
+ /* clear bit 2 - variable is writable */
+ attrs[variable_id] &= ~0x04;
+ attrs[variable_id] |= 0x01;
+
+ }
+
+ /* check that variable is a writable integer array */
+ if ((attrs[variable_id] & 0x1c) != 0x18)
+ status = -ERANGE;
+ else {
+ longptr_tmp = (long *)vars[variable_id];
+
+ /* pop the array index */
+ index = stack[--stack_ptr];
+
+ /* pop the value and store it into the array */
+ longptr_tmp[index] = stack[--stack_ptr];
+ }
+
+ break;
+ case OP_POPA:
+ /*
+ * Pop stack into Boolean array
+ * ...argument 0 is variable ID
+ * ...stack 0 is count
+ * ...stack 1 is array index
+ * ...stack 2 is value
+ */
+ if (!altera_check_stack(stack_ptr, 3, &status))
+ break;
+ variable_id = args[0];
+
+ /*
+ * If variable is read-only,
+ * convert to writable array
+ */
+ if ((version > 0) &&
+ ((attrs[variable_id] & 0x9c) == 0x0c)) {
+ /* Allocate a writable buffer for this array */
+ long_tmp =
+ (var_size[variable_id] + 7L) >> 3L;
+ charptr_tmp2 = (u8 *)vars[variable_id];
+ charptr_tmp =
+ kzalloc(long_tmp, GFP_KERNEL);
+ vars[variable_id] = (long)charptr_tmp;
+
+ if (vars[variable_id] == 0) {
+ status = -ENOMEM;
+ break;
+ }
+
+ /* zero the buffer */
+ for (long_idx = 0L;
+ long_idx < long_tmp;
+ ++long_idx) {
+ charptr_tmp[long_idx] = 0;
+ }
+
+ /* copy previous contents into buffer */
+ for (long_idx = 0L;
+ long_idx < var_size[variable_id];
+ ++long_idx) {
+ long_idx2 = long_idx;
+
+ if (charptr_tmp2[long_idx2 >> 3] &
+ (1 << (long_idx2 & 7))) {
+ charptr_tmp[long_idx >> 3] |=
+ (1 << (long_idx & 7));
+ }
+ }
+
+ /*
+ * set bit 7 - buffer was
+ * dynamically allocated
+ */
+ attrs[variable_id] |= 0x80;
+
+ /* clear bit 2 - variable is writable */
+ attrs[variable_id] &= ~0x04;
+ attrs[variable_id] |= 0x01;
+
+ }
+
+ /*
+ * check that variable is
+ * a writable Boolean array
+ */
+ if ((attrs[variable_id] & 0x1c) != 0x08) {
+ status = -ERANGE;
+ break;
+ }
+
+ charptr_tmp = (u8 *)vars[variable_id];
+
+ /* pop the count (number of bits to copy) */
+ long_count = stack[--stack_ptr];
+
+ /* pop the array index */
+ long_idx = stack[--stack_ptr];
+
+ reverse = 0;
+
+ if (version > 0) {
+ /*
+ * stack 0 = array right index
+ * stack 1 = array left index
+ */
+
+ if (long_idx > long_count) {
+ reverse = 1;
+ long_tmp = long_count;
+ long_count = 1 + long_idx -
+ long_count;
+ long_idx = long_tmp;
+
+ /* reverse POPA is not supported */
+ status = -ERANGE;
+ break;
+ } else
+ long_count = 1 + long_count -
+ long_idx;
+
+ }
+
+ /* pop the data */
+ long_tmp = stack[--stack_ptr];
+
+ if (long_count < 1) {
+ status = -ERANGE;
+ break;
+ }
+
+ for (i = 0; i < long_count; ++i) {
+ if (long_tmp & (1L << (s32) i))
+ charptr_tmp[long_idx >> 3L] |=
+ (1L << (long_idx & 7L));
+ else
+ charptr_tmp[long_idx >> 3L] &=
+ ~(1L << (long_idx & 7L));
+
+ ++long_idx;
+ }
+
+ break;
+ case OP_JMPZ:
+ /*
+ * Pop stack and branch if zero
+ * ...argument 0 is address
+ * ...stack 0 is condition value
+ */
+ if (altera_check_stack(stack_ptr, 1, &status)) {
+ if (stack[--stack_ptr] == 0) {
+ pc = args[0] + code_sect;
+ if ((pc < code_sect) ||
+ (pc >= debug_sect))
+ status = -ERANGE;
+ }
+ }
+ break;
+ case OP_DS:
+ case OP_IS:
+ /*
+ * DRSCAN
+ * IRSCAN
+ * ...argument 0 is scan data variable ID
+ * ...stack 0 is array index
+ * ...stack 1 is count
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ long_idx = stack[--stack_ptr];
+ long_count = stack[--stack_ptr];
+ reverse = 0;
+ if (version > 0) {
+ /*
+ * stack 0 = array right index
+ * stack 1 = array left index
+ * stack 2 = count
+ */
+ long_tmp = long_count;
+ long_count = stack[--stack_ptr];
+
+ if (long_idx > long_tmp) {
+ reverse = 1;
+ long_idx = long_tmp;
+ }
+ }
+
+ charptr_tmp = (u8 *)vars[args[0]];
+
+ if (reverse) {
+ /*
+ * allocate a buffer
+ * and reverse the data order
+ */
+ charptr_tmp2 = charptr_tmp;
+ charptr_tmp = kzalloc((long_count >> 3) + 1,
+ GFP_KERNEL);
+ if (charptr_tmp == NULL) {
+ status = -ENOMEM;
+ break;
+ }
+
+ long_tmp = long_idx + long_count - 1;
+ long_idx2 = 0;
+ while (long_idx2 < long_count) {
+ if (charptr_tmp2[long_tmp >> 3] &
+ (1 << (long_tmp & 7)))
+ charptr_tmp[long_idx2 >> 3] |=
+ (1 << (long_idx2 & 7));
+ else
+ charptr_tmp[long_idx2 >> 3] &=
+ ~(1 << (long_idx2 & 7));
+
+ --long_tmp;
+ ++long_idx2;
+ }
+ }
+
+ if (opcode == 0x51) /* DS */
+ status = altera_drscan(astate, long_count,
+ charptr_tmp, long_idx);
+ else /* IS */
+ status = altera_irscan(astate, long_count,
+ charptr_tmp, long_idx);
+
+ if (reverse)
+ kfree(charptr_tmp);
+
+ break;
+ case OP_DPRA:
+ /*
+ * DRPRE with array data
+ * ...argument 0 is variable ID
+ * ...stack 0 is array index
+ * ...stack 1 is count
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ index = stack[--stack_ptr];
+ count = stack[--stack_ptr];
+
+ if (version > 0)
+ /*
+ * stack 0 = array right index
+ * stack 1 = array left index
+ */
+ count = 1 + count - index;
+
+ charptr_tmp = (u8 *)vars[args[0]];
+ status = altera_set_dr_pre(&astate->js, count, index,
+ charptr_tmp);
+ break;
+ case OP_DPOA:
+ /*
+ * DRPOST with array data
+ * ...argument 0 is variable ID
+ * ...stack 0 is array index
+ * ...stack 1 is count
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ index = stack[--stack_ptr];
+ count = stack[--stack_ptr];
+
+ if (version > 0)
+ /*
+ * stack 0 = array right index
+ * stack 1 = array left index
+ */
+ count = 1 + count - index;
+
+ charptr_tmp = (u8 *)vars[args[0]];
+ status = altera_set_dr_post(&astate->js, count, index,
+ charptr_tmp);
+ break;
+ case OP_IPRA:
+ /*
+ * IRPRE with array data
+ * ...argument 0 is variable ID
+ * ...stack 0 is array index
+ * ...stack 1 is count
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ index = stack[--stack_ptr];
+ count = stack[--stack_ptr];
+
+ if (version > 0)
+ /*
+ * stack 0 = array right index
+ * stack 1 = array left index
+ */
+ count = 1 + count - index;
+
+ charptr_tmp = (u8 *)vars[args[0]];
+ status = altera_set_ir_pre(&astate->js, count, index,
+ charptr_tmp);
+
+ break;
+ case OP_IPOA:
+ /*
+ * IRPOST with array data
+ * ...argument 0 is variable ID
+ * ...stack 0 is array index
+ * ...stack 1 is count
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ index = stack[--stack_ptr];
+ count = stack[--stack_ptr];
+
+ if (version > 0)
+ /*
+ * stack 0 = array right index
+ * stack 1 = array left index
+ */
+ count = 1 + count - index;
+
+ charptr_tmp = (u8 *)vars[args[0]];
+ status = altera_set_ir_post(&astate->js, count, index,
+ charptr_tmp);
+
+ break;
+ case OP_EXPT:
+ /*
+ * EXPORT
+ * ...argument 0 is string ID
+ * ...stack 0 is integer expression
+ */
+ if (altera_check_stack(stack_ptr, 1, &status)) {
+ name = &p[str_table + args[0]];
+ long_tmp = stack[--stack_ptr];
+ altera_export_int(name, long_tmp);
+ }
+ break;
+ case OP_PSHE:
+ /*
+ * Push integer array element
+ * ...argument 0 is variable ID
+ * ...stack 0 is array index
+ */
+ if (!altera_check_stack(stack_ptr, 1, &status))
+ break;
+ variable_id = args[0];
+ index = stack[stack_ptr - 1];
+
+ /* check variable type */
+ if ((attrs[variable_id] & 0x1f) == 0x19) {
+ /* writable integer array */
+ longptr_tmp = (long *)vars[variable_id];
+ stack[stack_ptr - 1] = longptr_tmp[index];
+ } else if ((attrs[variable_id] & 0x1f) == 0x1c) {
+ /* read-only integer array */
+ long_tmp = vars[variable_id] +
+ (index * sizeof(long));
+ stack[stack_ptr - 1] =
+ get_unaligned_be32(&p[long_tmp]);
+ } else
+ status = -ERANGE;
+
+ break;
+ case OP_PSHA:
+ /*
+ * Push Boolean array
+ * ...argument 0 is variable ID
+ * ...stack 0 is count
+ * ...stack 1 is array index
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ variable_id = args[0];
+
+ /* check that variable is a Boolean array */
+ if ((attrs[variable_id] & 0x18) != 0x08) {
+ status = -ERANGE;
+ break;
+ }
+
+ charptr_tmp = (u8 *)vars[variable_id];
+
+ /* pop the count (number of bits to copy) */
+ count = stack[--stack_ptr];
+
+ /* pop the array index */
+ index = stack[stack_ptr - 1];
+
+ if (version > 0)
+ /*
+ * stack 0 = array right index
+ * stack 1 = array left index
+ */
+ count = 1 + count - index;
+
+ if ((count < 1) || (count > 32)) {
+ status = -ERANGE;
+ break;
+ }
+
+ long_tmp = 0L;
+
+ for (i = 0; i < count; ++i)
+ if (charptr_tmp[(i + index) >> 3] &
+ (1 << ((i + index) & 7)))
+ long_tmp |= (1L << i);
+
+ stack[stack_ptr - 1] = long_tmp;
+
+ break;
+ case OP_DYNA:
+ /*
+ * Dynamically change size of array
+ * ...argument 0 is variable ID
+ * ...stack 0 is new size
+ */
+ if (!altera_check_stack(stack_ptr, 1, &status))
+ break;
+ variable_id = args[0];
+ long_tmp = stack[--stack_ptr];
+
+ if (long_tmp > var_size[variable_id]) {
+ var_size[variable_id] = long_tmp;
+
+ if (attrs[variable_id] & 0x10)
+ /* allocate integer array */
+ long_tmp *= sizeof(long);
+ else
+ /* allocate Boolean array */
+ long_tmp = (long_tmp + 7) >> 3;
+
+ /*
+ * If the buffer was previously allocated,
+ * free it
+ */
+ if (attrs[variable_id] & 0x80) {
+ kfree((void *)vars[variable_id]);
+ vars[variable_id] = 0;
+ }
+
+ /*
+ * Allocate a new buffer
+ * of the requested size
+ */
+ vars[variable_id] = (long)
+ kzalloc(long_tmp, GFP_KERNEL);
+
+ if (vars[variable_id] == 0) {
+ status = -ENOMEM;
+ break;
+ }
+
+ /*
+ * Set the attribute bit to indicate that
+ * this buffer was dynamically allocated and
+ * should be freed later
+ */
+ attrs[variable_id] |= 0x80;
+
+ /* zero out memory */
+ count = ((var_size[variable_id] + 7L) /
+ 8L);
+ charptr_tmp = (u8 *)(vars[variable_id]);
+ for (index = 0; index < count; ++index)
+ charptr_tmp[index] = 0;
+
+ }
+
+ break;
+ case OP_EXPV:
+ /*
+ * Export Boolean array
+ * ...argument 0 is string ID
+ * ...stack 0 is variable ID
+ * ...stack 1 is array right index
+ * ...stack 2 is array left index
+ */
+ if (!altera_check_stack(stack_ptr, 3, &status))
+ break;
+ if (version == 0) {
+ /* EXPV is not supported in JBC 1.0 */
+ bad_opcode = 1;
+ break;
+ }
+ name = &p[str_table + args[0]];
+ variable_id = stack[--stack_ptr];
+ long_idx = stack[--stack_ptr];/* right indx */
+ long_idx2 = stack[--stack_ptr];/* left indx */
+
+ if (long_idx > long_idx2) {
+ /* reverse indices not supported */
+ status = -ERANGE;
+ break;
+ }
+
+ long_count = 1 + long_idx2 - long_idx;
+
+ charptr_tmp = (u8 *)vars[variable_id];
+ charptr_tmp2 = NULL;
+
+ if ((long_idx & 7L) != 0) {
+ s32 k = long_idx;
+ charptr_tmp2 =
+ kzalloc(((long_count + 7L) / 8L),
+ GFP_KERNEL);
+ if (charptr_tmp2 == NULL) {
+ status = -ENOMEM;
+ break;
+ }
+
+ for (i = 0; i < long_count; ++i) {
+ if (charptr_tmp[k >> 3] &
+ (1 << (k & 7)))
+ charptr_tmp2[i >> 3] |=
+ (1 << (i & 7));
+ else
+ charptr_tmp2[i >> 3] &=
+ ~(1 << (i & 7));
+
+ ++k;
+ }
+ charptr_tmp = charptr_tmp2;
+
+ } else if (long_idx != 0)
+ charptr_tmp = &charptr_tmp[long_idx >> 3];
+
+ altera_export_bool_array(name, charptr_tmp,
+ long_count);
+
+ /* free allocated buffer */
+ if ((long_idx & 7L) != 0)
+ kfree(charptr_tmp2);
+
+ break;
+ case OP_COPY: {
+ /*
+ * Array copy
+ * ...argument 0 is dest ID
+ * ...argument 1 is source ID
+ * ...stack 0 is count
+ * ...stack 1 is dest index
+ * ...stack 2 is source index
+ */
+ s32 copy_count;
+ s32 copy_index;
+ s32 copy_index2;
+ s32 destleft;
+ s32 src_count;
+ s32 dest_count;
+ int src_reverse = 0;
+ int dest_reverse = 0;
+
+ if (!altera_check_stack(stack_ptr, 3, &status))
+ break;
+
+ copy_count = stack[--stack_ptr];
+ copy_index = stack[--stack_ptr];
+ copy_index2 = stack[--stack_ptr];
+ reverse = 0;
+
+ if (version > 0) {
+ /*
+ * stack 0 = source right index
+ * stack 1 = source left index
+ * stack 2 = destination right index
+ * stack 3 = destination left index
+ */
+ destleft = stack[--stack_ptr];
+
+ if (copy_count > copy_index) {
+ src_reverse = 1;
+ reverse = 1;
+ src_count = 1 + copy_count - copy_index;
+ /* copy_index = source start index */
+ } else {
+ src_count = 1 + copy_index - copy_count;
+ /* source start index */
+ copy_index = copy_count;
+ }
+
+ if (copy_index2 > destleft) {
+ dest_reverse = 1;
+ reverse = !reverse;
+ dest_count = 1 + copy_index2 - destleft;
+ /* destination start index */
+ copy_index2 = destleft;
+ } else
+ dest_count = 1 + destleft - copy_index2;
+
+ copy_count = (src_count < dest_count) ?
+ src_count : dest_count;
+
+ if ((src_reverse || dest_reverse) &&
+ (src_count != dest_count))
+ /*
+ * If either the source or destination
+ * is reversed, we can't tolerate
+ * a length mismatch, because we
+ * "left justify" arrays when copying.
+ * This won't work correctly
+ * with reversed arrays.
+ */
+ status = -ERANGE;
+
+ }
+
+ count = copy_count;
+ index = copy_index;
+ index2 = copy_index2;
+
+ /*
+ * If destination is a read-only array,
+ * allocate a buffer and convert it to a writable array
+ */
+ variable_id = args[1];
+ if ((version > 0) &&
+ ((attrs[variable_id] & 0x9c) == 0x0c)) {
+ /* Allocate a writable buffer for this array */
+ long_tmp =
+ (var_size[variable_id] + 7L) >> 3L;
+ charptr_tmp2 = (u8 *)vars[variable_id];
+ charptr_tmp =
+ kzalloc(long_tmp, GFP_KERNEL);
+ vars[variable_id] = (long)charptr_tmp;
+
+ if (vars[variable_id] == 0) {
+ status = -ENOMEM;
+ break;
+ }
+
+ /* zero the buffer */
+ for (long_idx = 0L; long_idx < long_tmp;
+ ++long_idx)
+ charptr_tmp[long_idx] = 0;
+
+ /* copy previous contents into buffer */
+ for (long_idx = 0L;
+ long_idx < var_size[variable_id];
+ ++long_idx) {
+ long_idx2 = long_idx;
+
+ if (charptr_tmp2[long_idx2 >> 3] &
+ (1 << (long_idx2 & 7)))
+ charptr_tmp[long_idx >> 3] |=
+ (1 << (long_idx & 7));
+
+ }
+
+ /*
+ set bit 7 - buffer was dynamically allocated */
+ attrs[variable_id] |= 0x80;
+
+ /* clear bit 2 - variable is writable */
+ attrs[variable_id] &= ~0x04;
+ attrs[variable_id] |= 0x01;
+ }
+
+ charptr_tmp = (u8 *)vars[args[1]];
+ charptr_tmp2 = (u8 *)vars[args[0]];
+
+ /* check if destination is a writable Boolean array */
+ if ((attrs[args[1]] & 0x1c) != 0x08) {
+ status = -ERANGE;
+ break;
+ }
+
+ if (count < 1) {
+ status = -ERANGE;
+ break;
+ }
+
+ if (reverse)
+ index2 += (count - 1);
+
+ for (i = 0; i < count; ++i) {
+ if (charptr_tmp2[index >> 3] &
+ (1 << (index & 7)))
+ charptr_tmp[index2 >> 3] |=
+ (1 << (index2 & 7));
+ else
+ charptr_tmp[index2 >> 3] &=
+ ~(1 << (index2 & 7));
+
+ ++index;
+ if (reverse)
+ --index2;
+ else
+ ++index2;
+ }
+
+ break;
+ }
+ case OP_DSC:
+ case OP_ISC: {
+ /*
+ * DRSCAN with capture
+ * IRSCAN with capture
+ * ...argument 0 is scan data variable ID
+ * ...argument 1 is capture variable ID
+ * ...stack 0 is capture index
+ * ...stack 1 is scan data index
+ * ...stack 2 is count
+ */
+ s32 scan_right, scan_left;
+ s32 capture_count = 0;
+ s32 scan_count = 0;
+ s32 capture_index;
+ s32 scan_index;
+
+ if (!altera_check_stack(stack_ptr, 3, &status))
+ break;
+
+ capture_index = stack[--stack_ptr];
+ scan_index = stack[--stack_ptr];
+
+ if (version > 0) {
+ /*
+ * stack 0 = capture right index
+ * stack 1 = capture left index
+ * stack 2 = scan right index
+ * stack 3 = scan left index
+ * stack 4 = count
+ */
+ scan_right = stack[--stack_ptr];
+ scan_left = stack[--stack_ptr];
+ capture_count = 1 + scan_index - capture_index;
+ scan_count = 1 + scan_left - scan_right;
+ scan_index = scan_right;
+ }
+
+ long_count = stack[--stack_ptr];
+ /*
+ * If capture array is read-only, allocate a buffer
+ * and convert it to a writable array
+ */
+ variable_id = args[1];
+ if ((version > 0) &&
+ ((attrs[variable_id] & 0x9c) == 0x0c)) {
+ /* Allocate a writable buffer for this array */
+ long_tmp =
+ (var_size[variable_id] + 7L) >> 3L;
+ charptr_tmp2 = (u8 *)vars[variable_id];
+ charptr_tmp =
+ kzalloc(long_tmp, GFP_KERNEL);
+ vars[variable_id] = (long)charptr_tmp;
+
+ if (vars[variable_id] == 0) {
+ status = -ENOMEM;
+ break;
+ }
+
+ /* zero the buffer */
+ for (long_idx = 0L; long_idx < long_tmp;
+ ++long_idx)
+ charptr_tmp[long_idx] = 0;
+
+ /* copy previous contents into buffer */
+ for (long_idx = 0L;
+ long_idx < var_size[variable_id];
+ ++long_idx) {
+ long_idx2 = long_idx;
+
+ if (charptr_tmp2[long_idx2 >> 3] &
+ (1 << (long_idx2 & 7)))
+ charptr_tmp[long_idx >> 3] |=
+ (1 << (long_idx & 7));
+
+ }
+
+ /*
+ * set bit 7 - buffer was
+ * dynamically allocated
+ */
+ attrs[variable_id] |= 0x80;
+
+ /* clear bit 2 - variable is writable */
+ attrs[variable_id] &= ~0x04;
+ attrs[variable_id] |= 0x01;
+
+ }
+
+ charptr_tmp = (u8 *)vars[args[0]];
+ charptr_tmp2 = (u8 *)vars[args[1]];
+
+ if ((version > 0) &&
+ ((long_count > capture_count) ||
+ (long_count > scan_count))) {
+ status = -ERANGE;
+ break;
+ }
+
+ /*
+ * check that capture array
+ * is a writable Boolean array
+ */
+ if ((attrs[args[1]] & 0x1c) != 0x08) {
+ status = -ERANGE;
+ break;
+ }
+
+ if (status == 0) {
+ if (opcode == 0x82) /* DSC */
+ status = altera_swap_dr(astate,
+ long_count,
+ charptr_tmp,
+ scan_index,
+ charptr_tmp2,
+ capture_index);
+ else /* ISC */
+ status = altera_swap_ir(astate,
+ long_count,
+ charptr_tmp,
+ scan_index,
+ charptr_tmp2,
+ capture_index);
+
+ }
+
+ break;
+ }
+ case OP_WAIT:
+ /*
+ * WAIT
+ * ...argument 0 is wait state
+ * ...argument 1 is end state
+ * ...stack 0 is cycles
+ * ...stack 1 is microseconds
+ */
+ if (!altera_check_stack(stack_ptr, 2, &status))
+ break;
+ long_tmp = stack[--stack_ptr];
+
+ if (long_tmp != 0L)
+ status = altera_wait_cycles(astate, long_tmp,
+ args[0]);
+
+ long_tmp = stack[--stack_ptr];
+
+ if ((status == 0) && (long_tmp != 0L))
+ status = altera_wait_msecs(astate,
+ long_tmp,
+ args[0]);
+
+ if ((status == 0) && (args[1] != args[0]))
+ status = altera_goto_jstate(astate,
+ args[1]);
+
+ if (version > 0) {
+ --stack_ptr; /* throw away MAX cycles */
+ --stack_ptr; /* throw away MAX microseconds */
+ }
+ break;
+ case OP_CMPA: {
+ /*
+ * Array compare
+ * ...argument 0 is source 1 ID
+ * ...argument 1 is source 2 ID
+ * ...argument 2 is mask ID
+ * ...stack 0 is source 1 index
+ * ...stack 1 is source 2 index
+ * ...stack 2 is mask index
+ * ...stack 3 is count
+ */
+ s32 a, b;
+ u8 *source1 = (u8 *)vars[args[0]];
+ u8 *source2 = (u8 *)vars[args[1]];
+ u8 *mask = (u8 *)vars[args[2]];
+ u32 index1;
+ u32 index2;
+ u32 mask_index;
+
+ if (!altera_check_stack(stack_ptr, 4, &status))
+ break;
+
+ index1 = stack[--stack_ptr];
+ index2 = stack[--stack_ptr];
+ mask_index = stack[--stack_ptr];
+ long_count = stack[--stack_ptr];
+
+ if (version > 0) {
+ /*
+ * stack 0 = source 1 right index
+ * stack 1 = source 1 left index
+ * stack 2 = source 2 right index
+ * stack 3 = source 2 left index
+ * stack 4 = mask right index
+ * stack 5 = mask left index
+ */
+ s32 mask_right = stack[--stack_ptr];
+ s32 mask_left = stack[--stack_ptr];
+ /* source 1 count */
+ a = 1 + index2 - index1;
+ /* source 2 count */
+ b = 1 + long_count - mask_index;
+ a = (a < b) ? a : b;
+ /* mask count */
+ b = 1 + mask_left - mask_right;
+ a = (a < b) ? a : b;
+ /* source 2 start index */
+ index2 = mask_index;
+ /* mask start index */
+ mask_index = mask_right;
+ long_count = a;
+ }
+
+ long_tmp = 1L;
+
+ if (long_count < 1)
+ status = -ERANGE;
+ else {
+ count = long_count;
+
+ for (i = 0; i < count; ++i) {
+ if (mask[mask_index >> 3] &
+ (1 << (mask_index & 7))) {
+ a = source1[index1 >> 3] &
+ (1 << (index1 & 7))
+ ? 1 : 0;
+ b = source2[index2 >> 3] &
+ (1 << (index2 & 7))
+ ? 1 : 0;
+
+ if (a != b) /* failure */
+ long_tmp = 0L;
+ }
+ ++index1;
+ ++index2;
+ ++mask_index;
+ }
+ }
+
+ stack[stack_ptr++] = long_tmp;
+
+ break;
+ }
+ default:
+ /* Unrecognized opcode -- ERROR! */
+ bad_opcode = 1;
+ break;
+ }
+
+ if (bad_opcode)
+ status = -ENOSYS;
+
+ if ((stack_ptr < 0) || (stack_ptr >= ALTERA_STACK_SIZE))
+ status = -EOVERFLOW;
+
+ if (status != 0) {
+ done = 1;
+ *error_address = (s32)(opcode_address - code_sect);
+ }
+ }
+
+ altera_free_buffers(astate);
+
+ /* Free all dynamically allocated arrays */
+ if ((attrs != NULL) && (vars != NULL))
+ for (i = 0; i < sym_count; ++i)
+ if (attrs[i] & 0x80)
+ kfree((void *)vars[i]);
+
+ kfree(vars);
+ kfree(var_size);
+ kfree(attrs);
+ kfree(proc_attributes);
+
+ return status;
+}
+
+static int altera_get_note(u8 *p, s32 program_size,
+ s32 *offset, char *key, char *value, int length)
+/*
+ * Gets key and value of NOTE fields in the JBC file.
+ * Can be called in two modes: if offset pointer is NULL,
+ * then the function searches for note fields which match
+ * the key string provided. If offset is not NULL, then
+ * the function finds the next note field of any key,
+ * starting at the offset specified by the offset pointer.
+ * Returns 0 for success, else appropriate error code
+ */
+{
+ int status = -ENODATA;
+ u32 note_strings = 0L;
+ u32 note_table = 0L;
+ u32 note_count = 0L;
+ u32 first_word = 0L;
+ int version = 0;
+ int delta = 0;
+ char *key_ptr;
+ char *value_ptr;
+ int i;
+
+ /* Read header information */
+ if (program_size > 52L) {
+ first_word = get_unaligned_be32(&p[0]);
+ version = (first_word & 1L);
+ delta = version * 8;
+
+ note_strings = get_unaligned_be32(&p[8 + delta]);
+ note_table = get_unaligned_be32(&p[12 + delta]);
+ note_count = get_unaligned_be32(&p[44 + (2 * delta)]);
+ }
+
+ if ((first_word != 0x4A414D00L) && (first_word != 0x4A414D01L))
+ return -EIO;
+
+ if (note_count <= 0L)
+ return status;
+
+ if (offset == NULL) {
+ /*
+ * We will search for the first note with a specific key,
+ * and return only the value
+ */
+ for (i = 0; (i < note_count) &&
+ (status != 0); ++i) {
+ key_ptr = &p[note_strings +
+ get_unaligned_be32(
+ &p[note_table + (8 * i)])];
+ if ((strnicmp(key, key_ptr, strlen(key_ptr)) == 0) &&
+ (key != NULL)) {
+ status = 0;
+
+ value_ptr = &p[note_strings +
+ get_unaligned_be32(
+ &p[note_table + (8 * i) + 4])];
+
+ if (value != NULL)
+ strlcpy(value, value_ptr, length);
+
+ }
+ }
+ } else {
+ /*
+ * We will search for the next note, regardless of the key,
+ * and return both the value and the key
+ */
+
+ i = *offset;
+
+ if ((i >= 0) && (i < note_count)) {
+ status = 0;
+
+ if (key != NULL)
+ strlcpy(key, &p[note_strings +
+ get_unaligned_be32(
+ &p[note_table + (8 * i)])],
+ length);
+
+ if (value != NULL)
+ strlcpy(value, &p[note_strings +
+ get_unaligned_be32(
+ &p[note_table + (8 * i) + 4])],
+ length);
+
+ *offset = i + 1;
+ }
+ }
+
+ return status;
+}
+
+static int altera_check_crc(u8 *p, s32 program_size)
+{
+ int status = 0;
+ u16 local_expected = 0,
+ local_actual = 0,
+ shift_reg = 0xffff;
+ int bit, feedback;
+ u8 databyte;
+ u32 i;
+ u32 crc_section = 0L;
+ u32 first_word = 0L;
+ int version = 0;
+ int delta = 0;
+
+ if (program_size > 52L) {
+ first_word = get_unaligned_be32(&p[0]);
+ version = (first_word & 1L);
+ delta = version * 8;
+
+ crc_section = get_unaligned_be32(&p[32 + delta]);
+ }
+
+ if ((first_word != 0x4A414D00L) && (first_word != 0x4A414D01L))
+ status = -EIO;
+
+ if (crc_section >= program_size)
+ status = -EIO;
+
+ if (status == 0) {
+ local_expected = (u16)get_unaligned_be16(&p[crc_section]);
+
+ for (i = 0; i < crc_section; ++i) {
+ databyte = p[i];
+ for (bit = 0; bit < 8; bit++) {
+ feedback = (databyte ^ shift_reg) & 0x01;
+ shift_reg >>= 1;
+ if (feedback)
+ shift_reg ^= 0x8408;
+
+ databyte >>= 1;
+ }
+ }
+
+ local_actual = (u16)~shift_reg;
+
+ if (local_expected != local_actual)
+ status = -EILSEQ;
+
+ }
+
+ if (debug || status) {
+ switch (status) {
+ case 0:
+ printk(KERN_INFO "%s: CRC matched: %04x\n", __func__,
+ local_actual);
+ break;
+ case -EILSEQ:
+ printk(KERN_ERR "%s: CRC mismatch: expected %04x, "
+ "actual %04x\n", __func__, local_expected,
+ local_actual);
+ break;
+ case -ENODATA:
+ printk(KERN_ERR "%s: expected CRC not found, "
+ "actual CRC = %04x\n", __func__,
+ local_actual);
+ break;
+ case -EIO:
+ printk(KERN_ERR "%s: error: format isn't "
+ "recognized.\n", __func__);
+ break;
+ default:
+ printk(KERN_ERR "%s: CRC function returned error "
+ "code %d\n", __func__, status);
+ break;
+ }
+ }
+
+ return status;
+}
+
+static int altera_get_file_info(u8 *p,
+ s32 program_size,
+ int *format_version,
+ int *action_count,
+ int *procedure_count)
+{
+ int status = -EIO;
+ u32 first_word = 0;
+ int version = 0;
+
+ if (program_size <= 52L)
+ return status;
+
+ first_word = get_unaligned_be32(&p[0]);
+
+ if ((first_word == 0x4A414D00L) || (first_word == 0x4A414D01L)) {
+ status = 0;
+
+ version = (first_word & 1L);
+ *format_version = version + 1;
+
+ if (version > 0) {
+ *action_count = get_unaligned_be32(&p[48]);
+ *procedure_count = get_unaligned_be32(&p[52]);
+ }
+ }
+
+ return status;
+}
+
+static int altera_get_act_info(u8 *p,
+ s32 program_size,
+ int index,
+ char **name,
+ char **description,
+ struct altera_procinfo **proc_list)
+{
+ int status = -EIO;
+ struct altera_procinfo *procptr = NULL;
+ struct altera_procinfo *tmpptr = NULL;
+ u32 first_word = 0L;
+ u32 action_table = 0L;
+ u32 proc_table = 0L;
+ u32 str_table = 0L;
+ u32 note_strings = 0L;
+ u32 action_count = 0L;
+ u32 proc_count = 0L;
+ u32 act_name_id = 0L;
+ u32 act_desc_id = 0L;
+ u32 act_proc_id = 0L;
+ u32 act_proc_name = 0L;
+ u8 act_proc_attribute = 0;
+
+ if (program_size <= 52L)
+ return status;
+ /* Read header information */
+ first_word = get_unaligned_be32(&p[0]);
+
+ if (first_word != 0x4A414D01L)
+ return status;
+
+ action_table = get_unaligned_be32(&p[4]);
+ proc_table = get_unaligned_be32(&p[8]);
+ str_table = get_unaligned_be32(&p[12]);
+ note_strings = get_unaligned_be32(&p[16]);
+ action_count = get_unaligned_be32(&p[48]);
+ proc_count = get_unaligned_be32(&p[52]);
+
+ if (index >= action_count)
+ return status;
+
+ act_name_id = get_unaligned_be32(&p[action_table + (12 * index)]);
+ act_desc_id = get_unaligned_be32(&p[action_table + (12 * index) + 4]);
+ act_proc_id = get_unaligned_be32(&p[action_table + (12 * index) + 8]);
+
+ *name = &p[str_table + act_name_id];
+
+ if (act_desc_id < (note_strings - str_table))
+ *description = &p[str_table + act_desc_id];
+
+ do {
+ act_proc_name = get_unaligned_be32(
+ &p[proc_table + (13 * act_proc_id)]);
+ act_proc_attribute =
+ (p[proc_table + (13 * act_proc_id) + 8] & 0x03);
+
+ procptr =
+ kzalloc(sizeof(struct altera_procinfo),
+ GFP_KERNEL);
+
+ if (procptr == NULL)
+ status = -ENOMEM;
+ else {
+ procptr->name = &p[str_table + act_proc_name];
+ procptr->attrs = act_proc_attribute;
+ procptr->next = NULL;
+
+ /* add record to end of linked list */
+ if (*proc_list == NULL)
+ *proc_list = procptr;
+ else {
+ tmpptr = *proc_list;
+ while (tmpptr->next != NULL)
+ tmpptr = tmpptr->next;
+ tmpptr->next = procptr;
+ }
+ }
+
+ act_proc_id = get_unaligned_be32(
+ &p[proc_table + (13 * act_proc_id) + 4]);
+ } while ((act_proc_id != 0) && (act_proc_id < proc_count));
+
+ return status;
+}
+
+int altera_init(struct altera_config *config, const struct firmware *fw)
+{
+ struct altera_state *astate = NULL;
+ struct altera_procinfo *proc_list = NULL;
+ struct altera_procinfo *procptr = NULL;
+ char *key = NULL;
+ char *value = NULL;
+ char *action_name = NULL;
+ char *description = NULL;
+ int exec_result = 0;
+ int exit_code = 0;
+ int format_version = 0;
+ int action_count = 0;
+ int procedure_count = 0;
+ int index = 0;
+ s32 offset = 0L;
+ s32 error_address = 0L;
+ int retval = 0;
+
+ key = kzalloc(33, GFP_KERNEL);
+ if (!key) {
+ retval = -ENOMEM;
+ goto out;
+ }
+ value = kzalloc(257, GFP_KERNEL);
+ if (!value) {
+ retval = -ENOMEM;
+ goto free_key;
+ }
+ astate = kzalloc(sizeof(struct altera_state), GFP_KERNEL);
+ if (!astate) {
+ retval = -ENOMEM;
+ goto free_value;
+ }
+
+ astate->config = config;
+ if (!astate->config->jtag_io) {
+ dprintk(KERN_INFO "%s: using byteblaster!\n", __func__);
+ astate->config->jtag_io = netup_jtag_io_lpt;
+ }
+
+ altera_check_crc((u8 *)fw->data, fw->size);
+
+ if (debug) {
+ altera_get_file_info((u8 *)fw->data, fw->size, &format_version,
+ &action_count, &procedure_count);
+ printk(KERN_INFO "%s: File format is %s ByteCode format\n",
+ __func__, (format_version == 2) ? "Jam STAPL" :
+ "pre-standardized Jam 1.1");
+ while (altera_get_note((u8 *)fw->data, fw->size,
+ &offset, key, value, 256) == 0)
+ printk(KERN_INFO "%s: NOTE \"%s\" = \"%s\"\n",
+ __func__, key, value);
+ }
+
+ if (debug && (format_version == 2) && (action_count > 0)) {
+ printk(KERN_INFO "%s: Actions available:\n", __func__);
+ for (index = 0; index < action_count; ++index) {
+ altera_get_act_info((u8 *)fw->data, fw->size,
+ index, &action_name,
+ &description,
+ &proc_list);
+
+ if (description == NULL)
+ printk(KERN_INFO "%s: %s\n",
+ __func__,
+ action_name);
+ else
+ printk(KERN_INFO "%s: %s \"%s\"\n",
+ __func__,
+ action_name,
+ description);
+
+ procptr = proc_list;
+ while (procptr != NULL) {
+ if (procptr->attrs != 0)
+ printk(KERN_INFO "%s: %s (%s)\n",
+ __func__,
+ procptr->name,
+ (procptr->attrs == 1) ?
+ "optional" : "recommended");
+
+ proc_list = procptr->next;
+ kfree(procptr);
+ procptr = proc_list;
+ }
+ }
+
+ printk(KERN_INFO "\n");
+ }
+
+ exec_result = altera_execute(astate, (u8 *)fw->data, fw->size,
+ &error_address, &exit_code, &format_version);
+
+ if (exit_code)
+ exec_result = -EREMOTEIO;
+
+ if ((format_version == 2) && (exec_result == -EINVAL)) {
+ if (astate->config->action == NULL)
+ printk(KERN_ERR "%s: error: no action specified for "
+ "Jam STAPL file.\nprogram terminated.\n",
+ __func__);
+ else
+ printk(KERN_ERR "%s: error: action \"%s\""
+ " is not supported "
+ "for this Jam STAPL file.\n"
+ "Program terminated.\n", __func__,
+ astate->config->action);
+
+ } else if (exec_result)
+ printk(KERN_ERR "%s: error %d\n", __func__, exec_result);
+
+ kfree(astate);
+free_value:
+ kfree(value);
+free_key:
+ kfree(key);
+out:
+ return retval;
+}
+EXPORT_SYMBOL(altera_init);
diff --git a/drivers/misc/fsa9480.c b/drivers/misc/fsa9480.c
index 27dc0d21aaf..f6586d53e1a 100644
--- a/drivers/misc/fsa9480.c
+++ b/drivers/misc/fsa9480.c
@@ -400,7 +400,8 @@ static int fsa9480_irq_init(struct fsa9480_usbsw *usbsw)
return ret;
}
- device_init_wakeup(&client->dev, pdata->wakeup);
+ if (pdata)
+ device_init_wakeup(&client->dev, pdata->wakeup);
}
return 0;
diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c
index 8b51cd62d06..29d12a70eb1 100644
--- a/drivers/misc/lis3lv02d/lis3lv02d.c
+++ b/drivers/misc/lis3lv02d/lis3lv02d.c
@@ -163,7 +163,7 @@ static void lis3lv02d_get_xyz(struct lis3lv02d *lis3, int *x, int *y, int *z)
int i;
if (lis3->blkread) {
- if (lis3_dev.whoami == WAI_12B) {
+ if (lis3->whoami == WAI_12B) {
u16 data[3];
lis3->blkread(lis3, OUTX_L, 6, (u8 *)data);
for (i = 0; i < 3; i++)
@@ -195,18 +195,30 @@ static int lis3_8_rates[2] = {100, 400};
static int lis3_3dc_rates[16] = {0, 1, 10, 25, 50, 100, 200, 400, 1600, 5000};
/* ODR is Output Data Rate */
-static int lis3lv02d_get_odr(void)
+static int lis3lv02d_get_odr(struct lis3lv02d *lis3)
{
u8 ctrl;
int shift;
- lis3_dev.read(&lis3_dev, CTRL_REG1, &ctrl);
- ctrl &= lis3_dev.odr_mask;
- shift = ffs(lis3_dev.odr_mask) - 1;
- return lis3_dev.odrs[(ctrl >> shift)];
+ lis3->read(lis3, CTRL_REG1, &ctrl);
+ ctrl &= lis3->odr_mask;
+ shift = ffs(lis3->odr_mask) - 1;
+ return lis3->odrs[(ctrl >> shift)];
}
-static int lis3lv02d_set_odr(int rate)
+static int lis3lv02d_get_pwron_wait(struct lis3lv02d *lis3)
+{
+ int div = lis3lv02d_get_odr(lis3);
+
+ if (WARN_ONCE(div == 0, "device returned spurious data"))
+ return -ENXIO;
+
+ /* LIS3 power on delay is quite long */
+ msleep(lis3->pwron_delay / div);
+ return 0;
+}
+
+static int lis3lv02d_set_odr(struct lis3lv02d *lis3, int rate)
{
u8 ctrl;
int i, len, shift;
@@ -214,14 +226,14 @@ static int lis3lv02d_set_odr(int rate)
if (!rate)
return -EINVAL;
- lis3_dev.read(&lis3_dev, CTRL_REG1, &ctrl);
- ctrl &= ~lis3_dev.odr_mask;
- len = 1 << hweight_long(lis3_dev.odr_mask); /* # of possible values */
- shift = ffs(lis3_dev.odr_mask) - 1;
+ lis3->read(lis3, CTRL_REG1, &ctrl);
+ ctrl &= ~lis3->odr_mask;
+ len = 1 << hweight_long(lis3->odr_mask); /* # of possible values */
+ shift = ffs(lis3->odr_mask) - 1;
for (i = 0; i < len; i++)
- if (lis3_dev.odrs[i] == rate) {
- lis3_dev.write(&lis3_dev, CTRL_REG1,
+ if (lis3->odrs[i] == rate) {
+ lis3->write(lis3, CTRL_REG1,
ctrl | (i << shift));
return 0;
}
@@ -240,12 +252,12 @@ static int lis3lv02d_selftest(struct lis3lv02d *lis3, s16 results[3])
mutex_lock(&lis3->mutex);
irq_cfg = lis3->irq_cfg;
- if (lis3_dev.whoami == WAI_8B) {
+ if (lis3->whoami == WAI_8B) {
lis3->data_ready_count[IRQ_LINE0] = 0;
lis3->data_ready_count[IRQ_LINE1] = 0;
/* Change interrupt cfg to data ready for selftest */
- atomic_inc(&lis3_dev.wake_thread);
+ atomic_inc(&lis3->wake_thread);
lis3->irq_cfg = LIS3_IRQ1_DATA_READY | LIS3_IRQ2_DATA_READY;
lis3->read(lis3, CTRL_REG3, &ctrl_reg_data);
lis3->write(lis3, CTRL_REG3, (ctrl_reg_data &
@@ -253,12 +265,12 @@ static int lis3lv02d_selftest(struct lis3lv02d *lis3, s16 results[3])
(LIS3_IRQ1_DATA_READY | LIS3_IRQ2_DATA_READY));
}
- if (lis3_dev.whoami == WAI_3DC) {
+ if (lis3->whoami == WAI_3DC) {
ctlreg = CTRL_REG4;
selftest = CTRL4_ST0;
} else {
ctlreg = CTRL_REG1;
- if (lis3_dev.whoami == WAI_12B)
+ if (lis3->whoami == WAI_12B)
selftest = CTRL1_ST;
else
selftest = CTRL1_STP;
@@ -266,7 +278,9 @@ static int lis3lv02d_selftest(struct lis3lv02d *lis3, s16 results[3])
lis3->read(lis3, ctlreg, &reg);
lis3->write(lis3, ctlreg, (reg | selftest));
- msleep(lis3->pwron_delay / lis3lv02d_get_odr());
+ ret = lis3lv02d_get_pwron_wait(lis3);
+ if (ret)
+ goto fail;
/* Read directly to avoid axis remap */
x = lis3->read_data(lis3, OUTX);
@@ -275,7 +289,9 @@ static int lis3lv02d_selftest(struct lis3lv02d *lis3, s16 results[3])
/* back to normal settings */
lis3->write(lis3, ctlreg, reg);
- msleep(lis3->pwron_delay / lis3lv02d_get_odr());
+ ret = lis3lv02d_get_pwron_wait(lis3);
+ if (ret)
+ goto fail;
results[0] = x - lis3->read_data(lis3, OUTX);
results[1] = y - lis3->read_data(lis3, OUTY);
@@ -283,9 +299,9 @@ static int lis3lv02d_selftest(struct lis3lv02d *lis3, s16 results[3])
ret = 0;
- if (lis3_dev.whoami == WAI_8B) {
+ if (lis3->whoami == WAI_8B) {
/* Restore original interrupt configuration */
- atomic_dec(&lis3_dev.wake_thread);
+ atomic_dec(&lis3->wake_thread);
lis3->write(lis3, CTRL_REG3, ctrl_reg_data);
lis3->irq_cfg = irq_cfg;
@@ -363,8 +379,9 @@ void lis3lv02d_poweroff(struct lis3lv02d *lis3)
}
EXPORT_SYMBOL_GPL(lis3lv02d_poweroff);
-void lis3lv02d_poweron(struct lis3lv02d *lis3)
+int lis3lv02d_poweron(struct lis3lv02d *lis3)
{
+ int err;
u8 reg;
lis3->init(lis3);
@@ -384,35 +401,41 @@ void lis3lv02d_poweron(struct lis3lv02d *lis3)
lis3->write(lis3, CTRL_REG2, reg);
}
- /* LIS3 power on delay is quite long */
- msleep(lis3->pwron_delay / lis3lv02d_get_odr());
+ err = lis3lv02d_get_pwron_wait(lis3);
+ if (err)
+ return err;
if (lis3->reg_ctrl)
lis3_context_restore(lis3);
+
+ return 0;
}
EXPORT_SYMBOL_GPL(lis3lv02d_poweron);
static void lis3lv02d_joystick_poll(struct input_polled_dev *pidev)
{
+ struct lis3lv02d *lis3 = pidev->private;
int x, y, z;
- mutex_lock(&lis3_dev.mutex);
- lis3lv02d_get_xyz(&lis3_dev, &x, &y, &z);
+ mutex_lock(&lis3->mutex);
+ lis3lv02d_get_xyz(lis3, &x, &y, &z);
input_report_abs(pidev->input, ABS_X, x);
input_report_abs(pidev->input, ABS_Y, y);
input_report_abs(pidev->input, ABS_Z, z);
input_sync(pidev->input);
- mutex_unlock(&lis3_dev.mutex);
+ mutex_unlock(&lis3->mutex);
}
static void lis3lv02d_joystick_open(struct input_polled_dev *pidev)
{
- if (lis3_dev.pm_dev)
- pm_runtime_get_sync(lis3_dev.pm_dev);
+ struct lis3lv02d *lis3 = pidev->private;
- if (lis3_dev.pdata && lis3_dev.whoami == WAI_8B && lis3_dev.idev)
- atomic_set(&lis3_dev.wake_thread, 1);
+ if (lis3->pm_dev)
+ pm_runtime_get_sync(lis3->pm_dev);
+
+ if (lis3->pdata && lis3->whoami == WAI_8B && lis3->idev)
+ atomic_set(&lis3->wake_thread, 1);
/*
* Update coordinates for the case where poll interval is 0 and
* the chip in running purely under interrupt control
@@ -422,14 +445,18 @@ static void lis3lv02d_joystick_open(struct input_polled_dev *pidev)
static void lis3lv02d_joystick_close(struct input_polled_dev *pidev)
{
- atomic_set(&lis3_dev.wake_thread, 0);
- if (lis3_dev.pm_dev)
- pm_runtime_put(lis3_dev.pm_dev);
+ struct lis3lv02d *lis3 = pidev->private;
+
+ atomic_set(&lis3->wake_thread, 0);
+ if (lis3->pm_dev)
+ pm_runtime_put(lis3->pm_dev);
}
-static irqreturn_t lis302dl_interrupt(int irq, void *dummy)
+static irqreturn_t lis302dl_interrupt(int irq, void *data)
{
- if (!test_bit(0, &lis3_dev.misc_opened))
+ struct lis3lv02d *lis3 = data;
+
+ if (!test_bit(0, &lis3->misc_opened))
goto out;
/*
@@ -437,12 +464,12 @@ static irqreturn_t lis302dl_interrupt(int irq, void *dummy)
* the lid is closed. This leads to interrupts as soon as a little move
* is done.
*/
- atomic_inc(&lis3_dev.count);
+ atomic_inc(&lis3->count);
- wake_up_interruptible(&lis3_dev.misc_wait);
- kill_fasync(&lis3_dev.async_queue, SIGIO, POLL_IN);
+ wake_up_interruptible(&lis3->misc_wait);
+ kill_fasync(&lis3->async_queue, SIGIO, POLL_IN);
out:
- if (atomic_read(&lis3_dev.wake_thread))
+ if (atomic_read(&lis3->wake_thread))
return IRQ_WAKE_THREAD;
return IRQ_HANDLED;
}
@@ -514,28 +541,37 @@ static irqreturn_t lis302dl_interrupt_thread2_8b(int irq, void *data)
static int lis3lv02d_misc_open(struct inode *inode, struct file *file)
{
- if (test_and_set_bit(0, &lis3_dev.misc_opened))
+ struct lis3lv02d *lis3 = container_of(file->private_data,
+ struct lis3lv02d, miscdev);
+
+ if (test_and_set_bit(0, &lis3->misc_opened))
return -EBUSY; /* already open */
- if (lis3_dev.pm_dev)
- pm_runtime_get_sync(lis3_dev.pm_dev);
+ if (lis3->pm_dev)
+ pm_runtime_get_sync(lis3->pm_dev);
- atomic_set(&lis3_dev.count, 0);
+ atomic_set(&lis3->count, 0);
return 0;
}
static int lis3lv02d_misc_release(struct inode *inode, struct file *file)
{
- fasync_helper(-1, file, 0, &lis3_dev.async_queue);
- clear_bit(0, &lis3_dev.misc_opened); /* release the device */
- if (lis3_dev.pm_dev)
- pm_runtime_put(lis3_dev.pm_dev);
+ struct lis3lv02d *lis3 = container_of(file->private_data,
+ struct lis3lv02d, miscdev);
+
+ fasync_helper(-1, file, 0, &lis3->async_queue);
+ clear_bit(0, &lis3->misc_opened); /* release the device */
+ if (lis3->pm_dev)
+ pm_runtime_put(lis3->pm_dev);
return 0;
}
static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf,
size_t count, loff_t *pos)
{
+ struct lis3lv02d *lis3 = container_of(file->private_data,
+ struct lis3lv02d, miscdev);
+
DECLARE_WAITQUEUE(wait, current);
u32 data;
unsigned char byte_data;
@@ -544,10 +580,10 @@ static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf,
if (count < 1)
return -EINVAL;
- add_wait_queue(&lis3_dev.misc_wait, &wait);
+ add_wait_queue(&lis3->misc_wait, &wait);
while (true) {
set_current_state(TASK_INTERRUPTIBLE);
- data = atomic_xchg(&lis3_dev.count, 0);
+ data = atomic_xchg(&lis3->count, 0);
if (data)
break;
@@ -577,22 +613,28 @@ static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf,
out:
__set_current_state(TASK_RUNNING);
- remove_wait_queue(&lis3_dev.misc_wait, &wait);
+ remove_wait_queue(&lis3->misc_wait, &wait);
return retval;
}
static unsigned int lis3lv02d_misc_poll(struct file *file, poll_table *wait)
{
- poll_wait(file, &lis3_dev.misc_wait, wait);
- if (atomic_read(&lis3_dev.count))
+ struct lis3lv02d *lis3 = container_of(file->private_data,
+ struct lis3lv02d, miscdev);
+
+ poll_wait(file, &lis3->misc_wait, wait);
+ if (atomic_read(&lis3->count))
return POLLIN | POLLRDNORM;
return 0;
}
static int lis3lv02d_misc_fasync(int fd, struct file *file, int on)
{
- return fasync_helper(fd, file, on, &lis3_dev.async_queue);
+ struct lis3lv02d *lis3 = container_of(file->private_data,
+ struct lis3lv02d, miscdev);
+
+ return fasync_helper(fd, file, on, &lis3->async_queue);
}
static const struct file_operations lis3lv02d_misc_fops = {
@@ -605,85 +647,80 @@ static const struct file_operations lis3lv02d_misc_fops = {
.fasync = lis3lv02d_misc_fasync,
};
-static struct miscdevice lis3lv02d_misc_device = {
- .minor = MISC_DYNAMIC_MINOR,
- .name = "freefall",
- .fops = &lis3lv02d_misc_fops,
-};
-
-int lis3lv02d_joystick_enable(void)
+int lis3lv02d_joystick_enable(struct lis3lv02d *lis3)
{
struct input_dev *input_dev;
int err;
int max_val, fuzz, flat;
int btns[] = {BTN_X, BTN_Y, BTN_Z};
- if (lis3_dev.idev)
+ if (lis3->idev)
return -EINVAL;
- lis3_dev.idev = input_allocate_polled_device();
- if (!lis3_dev.idev)
+ lis3->idev = input_allocate_polled_device();
+ if (!lis3->idev)
return -ENOMEM;
- lis3_dev.idev->poll = lis3lv02d_joystick_poll;
- lis3_dev.idev->open = lis3lv02d_joystick_open;
- lis3_dev.idev->close = lis3lv02d_joystick_close;
- lis3_dev.idev->poll_interval = MDPS_POLL_INTERVAL;
- lis3_dev.idev->poll_interval_min = MDPS_POLL_MIN;
- lis3_dev.idev->poll_interval_max = MDPS_POLL_MAX;
- input_dev = lis3_dev.idev->input;
+ lis3->idev->poll = lis3lv02d_joystick_poll;
+ lis3->idev->open = lis3lv02d_joystick_open;
+ lis3->idev->close = lis3lv02d_joystick_close;
+ lis3->idev->poll_interval = MDPS_POLL_INTERVAL;
+ lis3->idev->poll_interval_min = MDPS_POLL_MIN;
+ lis3->idev->poll_interval_max = MDPS_POLL_MAX;
+ lis3->idev->private = lis3;
+ input_dev = lis3->idev->input;
input_dev->name = "ST LIS3LV02DL Accelerometer";
input_dev->phys = DRIVER_NAME "/input0";
input_dev->id.bustype = BUS_HOST;
input_dev->id.vendor = 0;
- input_dev->dev.parent = &lis3_dev.pdev->dev;
+ input_dev->dev.parent = &lis3->pdev->dev;
set_bit(EV_ABS, input_dev->evbit);
- max_val = (lis3_dev.mdps_max_val * lis3_dev.scale) / LIS3_ACCURACY;
- if (lis3_dev.whoami == WAI_12B) {
+ max_val = (lis3->mdps_max_val * lis3->scale) / LIS3_ACCURACY;
+ if (lis3->whoami == WAI_12B) {
fuzz = LIS3_DEFAULT_FUZZ_12B;
flat = LIS3_DEFAULT_FLAT_12B;
} else {
fuzz = LIS3_DEFAULT_FUZZ_8B;
flat = LIS3_DEFAULT_FLAT_8B;
}
- fuzz = (fuzz * lis3_dev.scale) / LIS3_ACCURACY;
- flat = (flat * lis3_dev.scale) / LIS3_ACCURACY;
+ fuzz = (fuzz * lis3->scale) / LIS3_ACCURACY;
+ flat = (flat * lis3->scale) / LIS3_ACCURACY;
input_set_abs_params(input_dev, ABS_X, -max_val, max_val, fuzz, flat);
input_set_abs_params(input_dev, ABS_Y, -max_val, max_val, fuzz, flat);
input_set_abs_params(input_dev, ABS_Z, -max_val, max_val, fuzz, flat);
- lis3_dev.mapped_btns[0] = lis3lv02d_get_axis(abs(lis3_dev.ac.x), btns);
- lis3_dev.mapped_btns[1] = lis3lv02d_get_axis(abs(lis3_dev.ac.y), btns);
- lis3_dev.mapped_btns[2] = lis3lv02d_get_axis(abs(lis3_dev.ac.z), btns);
+ lis3->mapped_btns[0] = lis3lv02d_get_axis(abs(lis3->ac.x), btns);
+ lis3->mapped_btns[1] = lis3lv02d_get_axis(abs(lis3->ac.y), btns);
+ lis3->mapped_btns[2] = lis3lv02d_get_axis(abs(lis3->ac.z), btns);
- err = input_register_polled_device(lis3_dev.idev);
+ err = input_register_polled_device(lis3->idev);
if (err) {
- input_free_polled_device(lis3_dev.idev);
- lis3_dev.idev = NULL;
+ input_free_polled_device(lis3->idev);
+ lis3->idev = NULL;
}
return err;
}
EXPORT_SYMBOL_GPL(lis3lv02d_joystick_enable);
-void lis3lv02d_joystick_disable(void)
+void lis3lv02d_joystick_disable(struct lis3lv02d *lis3)
{
- if (lis3_dev.irq)
- free_irq(lis3_dev.irq, &lis3_dev);
- if (lis3_dev.pdata && lis3_dev.pdata->irq2)
- free_irq(lis3_dev.pdata->irq2, &lis3_dev);
+ if (lis3->irq)
+ free_irq(lis3->irq, lis3);
+ if (lis3->pdata && lis3->pdata->irq2)
+ free_irq(lis3->pdata->irq2, lis3);
- if (!lis3_dev.idev)
+ if (!lis3->idev)
return;
- if (lis3_dev.irq)
- misc_deregister(&lis3lv02d_misc_device);
- input_unregister_polled_device(lis3_dev.idev);
- input_free_polled_device(lis3_dev.idev);
- lis3_dev.idev = NULL;
+ if (lis3->irq)
+ misc_deregister(&lis3->miscdev);
+ input_unregister_polled_device(lis3->idev);
+ input_free_polled_device(lis3->idev);
+ lis3->idev = NULL;
}
EXPORT_SYMBOL_GPL(lis3lv02d_joystick_disable);
@@ -708,6 +745,7 @@ static void lis3lv02d_sysfs_poweron(struct lis3lv02d *lis3)
static ssize_t lis3lv02d_selftest_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct lis3lv02d *lis3 = dev_get_drvdata(dev);
s16 values[3];
static const char ok[] = "OK";
@@ -715,8 +753,8 @@ static ssize_t lis3lv02d_selftest_show(struct device *dev,
static const char irq[] = "FAIL_IRQ";
const char *res;
- lis3lv02d_sysfs_poweron(&lis3_dev);
- switch (lis3lv02d_selftest(&lis3_dev, values)) {
+ lis3lv02d_sysfs_poweron(lis3);
+ switch (lis3lv02d_selftest(lis3, values)) {
case SELFTEST_FAIL:
res = fail;
break;
@@ -735,33 +773,37 @@ static ssize_t lis3lv02d_selftest_show(struct device *dev,
static ssize_t lis3lv02d_position_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct lis3lv02d *lis3 = dev_get_drvdata(dev);
int x, y, z;
- lis3lv02d_sysfs_poweron(&lis3_dev);
- mutex_lock(&lis3_dev.mutex);
- lis3lv02d_get_xyz(&lis3_dev, &x, &y, &z);
- mutex_unlock(&lis3_dev.mutex);
+ lis3lv02d_sysfs_poweron(lis3);
+ mutex_lock(&lis3->mutex);
+ lis3lv02d_get_xyz(lis3, &x, &y, &z);
+ mutex_unlock(&lis3->mutex);
return sprintf(buf, "(%d,%d,%d)\n", x, y, z);
}
static ssize_t lis3lv02d_rate_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- lis3lv02d_sysfs_poweron(&lis3_dev);
- return sprintf(buf, "%d\n", lis3lv02d_get_odr());
+ struct lis3lv02d *lis3 = dev_get_drvdata(dev);
+
+ lis3lv02d_sysfs_poweron(lis3);
+ return sprintf(buf, "%d\n", lis3lv02d_get_odr(lis3));
}
static ssize_t lis3lv02d_rate_set(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
+ struct lis3lv02d *lis3 = dev_get_drvdata(dev);
unsigned long rate;
if (strict_strtoul(buf, 0, &rate))
return -EINVAL;
- lis3lv02d_sysfs_poweron(&lis3_dev);
- if (lis3lv02d_set_odr(rate))
+ lis3lv02d_sysfs_poweron(lis3);
+ if (lis3lv02d_set_odr(lis3, rate))
return -EINVAL;
return count;
@@ -790,6 +832,7 @@ static int lis3lv02d_add_fs(struct lis3lv02d *lis3)
if (IS_ERR(lis3->pdev))
return PTR_ERR(lis3->pdev);
+ platform_set_drvdata(lis3->pdev, lis3);
return sysfs_create_group(&lis3->pdev->dev.kobj, &lis3lv02d_attribute_group);
}
@@ -803,7 +846,7 @@ int lis3lv02d_remove_fs(struct lis3lv02d *lis3)
/* SYSFS may have left chip running. Turn off if necessary */
if (!pm_runtime_suspended(lis3->pm_dev))
- lis3lv02d_poweroff(&lis3_dev);
+ lis3lv02d_poweroff(lis3);
pm_runtime_disable(lis3->pm_dev);
pm_runtime_set_suspended(lis3->pm_dev);
@@ -813,24 +856,24 @@ int lis3lv02d_remove_fs(struct lis3lv02d *lis3)
}
EXPORT_SYMBOL_GPL(lis3lv02d_remove_fs);
-static void lis3lv02d_8b_configure(struct lis3lv02d *dev,
+static void lis3lv02d_8b_configure(struct lis3lv02d *lis3,
struct lis3lv02d_platform_data *p)
{
int err;
int ctrl2 = p->hipass_ctrl;
if (p->click_flags) {
- dev->write(dev, CLICK_CFG, p->click_flags);
- dev->write(dev, CLICK_TIMELIMIT, p->click_time_limit);
- dev->write(dev, CLICK_LATENCY, p->click_latency);
- dev->write(dev, CLICK_WINDOW, p->click_window);
- dev->write(dev, CLICK_THSZ, p->click_thresh_z & 0xf);
- dev->write(dev, CLICK_THSY_X,
+ lis3->write(lis3, CLICK_CFG, p->click_flags);
+ lis3->write(lis3, CLICK_TIMELIMIT, p->click_time_limit);
+ lis3->write(lis3, CLICK_LATENCY, p->click_latency);
+ lis3->write(lis3, CLICK_WINDOW, p->click_window);
+ lis3->write(lis3, CLICK_THSZ, p->click_thresh_z & 0xf);
+ lis3->write(lis3, CLICK_THSY_X,
(p->click_thresh_x & 0xf) |
(p->click_thresh_y << 4));
- if (dev->idev) {
- struct input_dev *input_dev = lis3_dev.idev->input;
+ if (lis3->idev) {
+ struct input_dev *input_dev = lis3->idev->input;
input_set_capability(input_dev, EV_KEY, BTN_X);
input_set_capability(input_dev, EV_KEY, BTN_Y);
input_set_capability(input_dev, EV_KEY, BTN_Z);
@@ -838,22 +881,22 @@ static void lis3lv02d_8b_configure(struct lis3lv02d *dev,
}
if (p->wakeup_flags) {
- dev->write(dev, FF_WU_CFG_1, p->wakeup_flags);
- dev->write(dev, FF_WU_THS_1, p->wakeup_thresh & 0x7f);
+ lis3->write(lis3, FF_WU_CFG_1, p->wakeup_flags);
+ lis3->write(lis3, FF_WU_THS_1, p->wakeup_thresh & 0x7f);
/* pdata value + 1 to keep this backward compatible*/
- dev->write(dev, FF_WU_DURATION_1, p->duration1 + 1);
+ lis3->write(lis3, FF_WU_DURATION_1, p->duration1 + 1);
ctrl2 ^= HP_FF_WU1; /* Xor to keep compatible with old pdata*/
}
if (p->wakeup_flags2) {
- dev->write(dev, FF_WU_CFG_2, p->wakeup_flags2);
- dev->write(dev, FF_WU_THS_2, p->wakeup_thresh2 & 0x7f);
+ lis3->write(lis3, FF_WU_CFG_2, p->wakeup_flags2);
+ lis3->write(lis3, FF_WU_THS_2, p->wakeup_thresh2 & 0x7f);
/* pdata value + 1 to keep this backward compatible*/
- dev->write(dev, FF_WU_DURATION_2, p->duration2 + 1);
+ lis3->write(lis3, FF_WU_DURATION_2, p->duration2 + 1);
ctrl2 ^= HP_FF_WU2; /* Xor to keep compatible with old pdata*/
}
/* Configure hipass filters */
- dev->write(dev, CTRL_REG2, ctrl2);
+ lis3->write(lis3, CTRL_REG2, ctrl2);
if (p->irq2) {
err = request_threaded_irq(p->irq2,
@@ -861,7 +904,7 @@ static void lis3lv02d_8b_configure(struct lis3lv02d *dev,
lis302dl_interrupt_thread2_8b,
IRQF_TRIGGER_RISING | IRQF_ONESHOT |
(p->irq_flags2 & IRQF_TRIGGER_MASK),
- DRIVER_NAME, &lis3_dev);
+ DRIVER_NAME, lis3);
if (err < 0)
pr_err("No second IRQ. Limited functionality\n");
}
@@ -871,93 +914,97 @@ static void lis3lv02d_8b_configure(struct lis3lv02d *dev,
* Initialise the accelerometer and the various subsystems.
* Should be rather independent of the bus system.
*/
-int lis3lv02d_init_device(struct lis3lv02d *dev)
+int lis3lv02d_init_device(struct lis3lv02d *lis3)
{
int err;
irq_handler_t thread_fn;
int irq_flags = 0;
- dev->whoami = lis3lv02d_read_8(dev, WHO_AM_I);
+ lis3->whoami = lis3lv02d_read_8(lis3, WHO_AM_I);
- switch (dev->whoami) {
+ switch (lis3->whoami) {
case WAI_12B:
pr_info("12 bits sensor found\n");
- dev->read_data = lis3lv02d_read_12;
- dev->mdps_max_val = 2048;
- dev->pwron_delay = LIS3_PWRON_DELAY_WAI_12B;
- dev->odrs = lis3_12_rates;
- dev->odr_mask = CTRL1_DF0 | CTRL1_DF1;
- dev->scale = LIS3_SENSITIVITY_12B;
- dev->regs = lis3_wai12_regs;
- dev->regs_size = ARRAY_SIZE(lis3_wai12_regs);
+ lis3->read_data = lis3lv02d_read_12;
+ lis3->mdps_max_val = 2048;
+ lis3->pwron_delay = LIS3_PWRON_DELAY_WAI_12B;
+ lis3->odrs = lis3_12_rates;
+ lis3->odr_mask = CTRL1_DF0 | CTRL1_DF1;
+ lis3->scale = LIS3_SENSITIVITY_12B;
+ lis3->regs = lis3_wai12_regs;
+ lis3->regs_size = ARRAY_SIZE(lis3_wai12_regs);
break;
case WAI_8B:
pr_info("8 bits sensor found\n");
- dev->read_data = lis3lv02d_read_8;
- dev->mdps_max_val = 128;
- dev->pwron_delay = LIS3_PWRON_DELAY_WAI_8B;
- dev->odrs = lis3_8_rates;
- dev->odr_mask = CTRL1_DR;
- dev->scale = LIS3_SENSITIVITY_8B;
- dev->regs = lis3_wai8_regs;
- dev->regs_size = ARRAY_SIZE(lis3_wai8_regs);
+ lis3->read_data = lis3lv02d_read_8;
+ lis3->mdps_max_val = 128;
+ lis3->pwron_delay = LIS3_PWRON_DELAY_WAI_8B;
+ lis3->odrs = lis3_8_rates;
+ lis3->odr_mask = CTRL1_DR;
+ lis3->scale = LIS3_SENSITIVITY_8B;
+ lis3->regs = lis3_wai8_regs;
+ lis3->regs_size = ARRAY_SIZE(lis3_wai8_regs);
break;
case WAI_3DC:
pr_info("8 bits 3DC sensor found\n");
- dev->read_data = lis3lv02d_read_8;
- dev->mdps_max_val = 128;
- dev->pwron_delay = LIS3_PWRON_DELAY_WAI_8B;
- dev->odrs = lis3_3dc_rates;
- dev->odr_mask = CTRL1_ODR0|CTRL1_ODR1|CTRL1_ODR2|CTRL1_ODR3;
- dev->scale = LIS3_SENSITIVITY_8B;
+ lis3->read_data = lis3lv02d_read_8;
+ lis3->mdps_max_val = 128;
+ lis3->pwron_delay = LIS3_PWRON_DELAY_WAI_8B;
+ lis3->odrs = lis3_3dc_rates;
+ lis3->odr_mask = CTRL1_ODR0|CTRL1_ODR1|CTRL1_ODR2|CTRL1_ODR3;
+ lis3->scale = LIS3_SENSITIVITY_8B;
break;
default:
- pr_err("unknown sensor type 0x%X\n", dev->whoami);
+ pr_err("unknown sensor type 0x%X\n", lis3->whoami);
return -EINVAL;
}
- dev->reg_cache = kzalloc(max(sizeof(lis3_wai8_regs),
+ lis3->reg_cache = kzalloc(max(sizeof(lis3_wai8_regs),
sizeof(lis3_wai12_regs)), GFP_KERNEL);
- if (dev->reg_cache == NULL) {
+ if (lis3->reg_cache == NULL) {
printk(KERN_ERR DRIVER_NAME "out of memory\n");
return -ENOMEM;
}
- mutex_init(&dev->mutex);
- atomic_set(&dev->wake_thread, 0);
+ mutex_init(&lis3->mutex);
+ atomic_set(&lis3->wake_thread, 0);
- lis3lv02d_add_fs(dev);
- lis3lv02d_poweron(dev);
+ lis3lv02d_add_fs(lis3);
+ err = lis3lv02d_poweron(lis3);
+ if (err) {
+ lis3lv02d_remove_fs(lis3);
+ return err;
+ }
- if (dev->pm_dev) {
- pm_runtime_set_active(dev->pm_dev);
- pm_runtime_enable(dev->pm_dev);
+ if (lis3->pm_dev) {
+ pm_runtime_set_active(lis3->pm_dev);
+ pm_runtime_enable(lis3->pm_dev);
}
- if (lis3lv02d_joystick_enable())
+ if (lis3lv02d_joystick_enable(lis3))
pr_err("joystick initialization failed\n");
/* passing in platform specific data is purely optional and only
* used by the SPI transport layer at the moment */
- if (dev->pdata) {
- struct lis3lv02d_platform_data *p = dev->pdata;
+ if (lis3->pdata) {
+ struct lis3lv02d_platform_data *p = lis3->pdata;
- if (dev->whoami == WAI_8B)
- lis3lv02d_8b_configure(dev, p);
+ if (lis3->whoami == WAI_8B)
+ lis3lv02d_8b_configure(lis3, p);
irq_flags = p->irq_flags1 & IRQF_TRIGGER_MASK;
- dev->irq_cfg = p->irq_cfg;
+ lis3->irq_cfg = p->irq_cfg;
if (p->irq_cfg)
- dev->write(dev, CTRL_REG3, p->irq_cfg);
+ lis3->write(lis3, CTRL_REG3, p->irq_cfg);
if (p->default_rate)
- lis3lv02d_set_odr(p->default_rate);
+ lis3lv02d_set_odr(lis3, p->default_rate);
}
/* bail if we did not get an IRQ from the bus layer */
- if (!dev->irq) {
+ if (!lis3->irq) {
pr_debug("No IRQ. Disabling /dev/freefall\n");
goto out;
}
@@ -973,23 +1020,27 @@ int lis3lv02d_init_device(struct lis3lv02d *dev)
* io-apic is not configurable (and generates a warning) but I keep it
* in case of support for other hardware.
*/
- if (dev->pdata && dev->whoami == WAI_8B)
+ if (lis3->pdata && lis3->whoami == WAI_8B)
thread_fn = lis302dl_interrupt_thread1_8b;
else
thread_fn = NULL;
- err = request_threaded_irq(dev->irq, lis302dl_interrupt,
+ err = request_threaded_irq(lis3->irq, lis302dl_interrupt,
thread_fn,
IRQF_TRIGGER_RISING | IRQF_ONESHOT |
irq_flags,
- DRIVER_NAME, &lis3_dev);
+ DRIVER_NAME, lis3);
if (err < 0) {
pr_err("Cannot get IRQ\n");
goto out;
}
- if (misc_register(&lis3lv02d_misc_device))
+ lis3->miscdev.minor = MISC_DYNAMIC_MINOR;
+ lis3->miscdev.name = "freefall";
+ lis3->miscdev.fops = &lis3lv02d_misc_fops;
+
+ if (misc_register(&lis3->miscdev))
pr_err("misc_register failed\n");
out:
return 0;
diff --git a/drivers/misc/lis3lv02d/lis3lv02d.h b/drivers/misc/lis3lv02d/lis3lv02d.h
index a1939589eb2..2b1482ad3f1 100644
--- a/drivers/misc/lis3lv02d/lis3lv02d.h
+++ b/drivers/misc/lis3lv02d/lis3lv02d.h
@@ -21,6 +21,7 @@
#include <linux/platform_device.h>
#include <linux/input-polldev.h>
#include <linux/regulator/consumer.h>
+#include <linux/miscdevice.h>
/*
* This driver tries to support the "digital" accelerometer chips from
@@ -273,6 +274,8 @@ struct lis3lv02d {
struct fasync_struct *async_queue; /* queue for the misc device */
wait_queue_head_t misc_wait; /* Wait queue for the misc device */
unsigned long misc_opened; /* bit0: whether the device is open */
+ struct miscdevice miscdev;
+
int data_ready_count[2];
atomic_t wake_thread;
unsigned char irq_cfg;
@@ -282,10 +285,10 @@ struct lis3lv02d {
};
int lis3lv02d_init_device(struct lis3lv02d *lis3);
-int lis3lv02d_joystick_enable(void);
-void lis3lv02d_joystick_disable(void);
+int lis3lv02d_joystick_enable(struct lis3lv02d *lis3);
+void lis3lv02d_joystick_disable(struct lis3lv02d *lis3);
void lis3lv02d_poweroff(struct lis3lv02d *lis3);
-void lis3lv02d_poweron(struct lis3lv02d *lis3);
+int lis3lv02d_poweron(struct lis3lv02d *lis3);
int lis3lv02d_remove_fs(struct lis3lv02d *lis3);
extern struct lis3lv02d lis3_dev;
diff --git a/drivers/misc/lis3lv02d/lis3lv02d_i2c.c b/drivers/misc/lis3lv02d/lis3lv02d_i2c.c
index b20dfb4522d..c02fea029dc 100644
--- a/drivers/misc/lis3lv02d/lis3lv02d_i2c.c
+++ b/drivers/misc/lis3lv02d/lis3lv02d_i2c.c
@@ -79,8 +79,7 @@ static int lis3_i2c_init(struct lis3lv02d *lis3)
u8 reg;
int ret;
- if (lis3->reg_ctrl)
- lis3_reg_ctrl(lis3, LIS3_REG_ON);
+ lis3_reg_ctrl(lis3, LIS3_REG_ON);
lis3->read(lis3, WHO_AM_I, &reg);
if (reg != lis3->whoami)
@@ -106,10 +105,6 @@ static int __devinit lis3lv02d_i2c_probe(struct i2c_client *client,
struct lis3lv02d_platform_data *pdata = client->dev.platform_data;
if (pdata) {
- /* Regulator control is optional */
- if (pdata->driver_features & LIS3_USE_REGULATOR_CTRL)
- lis3_dev.reg_ctrl = lis3_reg_ctrl;
-
if ((pdata->driver_features & LIS3_USE_BLOCK_READ) &&
(i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_I2C_BLOCK)))
@@ -131,15 +126,13 @@ static int __devinit lis3lv02d_i2c_probe(struct i2c_client *client,
goto fail;
}
- if (lis3_dev.reg_ctrl) {
- lis3_dev.regulators[0].supply = reg_vdd;
- lis3_dev.regulators[1].supply = reg_vdd_io;
- ret = regulator_bulk_get(&client->dev,
- ARRAY_SIZE(lis3_dev.regulators),
- lis3_dev.regulators);
- if (ret < 0)
- goto fail;
- }
+ lis3_dev.regulators[0].supply = reg_vdd;
+ lis3_dev.regulators[1].supply = reg_vdd_io;
+ ret = regulator_bulk_get(&client->dev,
+ ARRAY_SIZE(lis3_dev.regulators),
+ lis3_dev.regulators);
+ if (ret < 0)
+ goto fail;
lis3_dev.pdata = pdata;
lis3_dev.bus_priv = client;
@@ -153,16 +146,19 @@ static int __devinit lis3lv02d_i2c_probe(struct i2c_client *client,
i2c_set_clientdata(client, &lis3_dev);
/* Provide power over the init call */
- if (lis3_dev.reg_ctrl)
- lis3_reg_ctrl(&lis3_dev, LIS3_REG_ON);
+ lis3_reg_ctrl(&lis3_dev, LIS3_REG_ON);
ret = lis3lv02d_init_device(&lis3_dev);
- if (lis3_dev.reg_ctrl)
- lis3_reg_ctrl(&lis3_dev, LIS3_REG_OFF);
+ lis3_reg_ctrl(&lis3_dev, LIS3_REG_OFF);
- if (ret == 0)
- return 0;
+ if (ret)
+ goto fail2;
+ return 0;
+
+fail2:
+ regulator_bulk_free(ARRAY_SIZE(lis3_dev.regulators),
+ lis3_dev.regulators);
fail:
if (pdata && pdata->release_resources)
pdata->release_resources();
@@ -177,12 +173,11 @@ static int __devexit lis3lv02d_i2c_remove(struct i2c_client *client)
if (pdata && pdata->release_resources)
pdata->release_resources();
- lis3lv02d_joystick_disable();
+ lis3lv02d_joystick_disable(lis3);
lis3lv02d_remove_fs(&lis3_dev);
- if (lis3_dev.reg_ctrl)
- regulator_bulk_free(ARRAY_SIZE(lis3->regulators),
- lis3_dev.regulators);
+ regulator_bulk_free(ARRAY_SIZE(lis3->regulators),
+ lis3_dev.regulators);
return 0;
}
diff --git a/drivers/misc/lis3lv02d/lis3lv02d_spi.c b/drivers/misc/lis3lv02d/lis3lv02d_spi.c
index c1f8a8fbf69..b2c1be12d16 100644
--- a/drivers/misc/lis3lv02d/lis3lv02d_spi.c
+++ b/drivers/misc/lis3lv02d/lis3lv02d_spi.c
@@ -83,7 +83,7 @@ static int __devinit lis302dl_spi_probe(struct spi_device *spi)
static int __devexit lis302dl_spi_remove(struct spi_device *spi)
{
struct lis3lv02d *lis3 = spi_get_drvdata(spi);
- lis3lv02d_joystick_disable();
+ lis3lv02d_joystick_disable(lis3);
lis3lv02d_poweroff(lis3);
return lis3lv02d_remove_fs(&lis3_dev);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-04 20:44:43 +0000