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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-24 09:50:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-24 09:50:13 -0700
commit76d21c563569bcea6bc67d65cc2c460cff643058 (patch)
tree4dd2c9846ea7838077099646418978e354df1680 /drivers/staging
parent6e50e9f9f4a8277b4d76de417ca77cf3921bd524 (diff)
parent472af2b05bdefcaee7e754e22cbf131110017ad6 (diff)
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (442 commits) [media] videobuf2-dma-contig: make cookie() return a pointer to dma_addr_t [media] sh_mobile_ceu_camera: Do not call vb2's mem_ops directly [media] V4L: soc-camera: explicitly require V4L2_BUF_TYPE_VIDEO_CAPTURE [media] v4l: soc-camera: Store negotiated buffer settings [media] rc: interim support for 32-bit NEC-ish scancodes [media] mceusb: topseed 0x0011 needs gen3 init for tx to work [media] lirc_zilog: error out if buffer read bytes != chunk size [media] lirc: silence some compile warnings [media] hdpvr: use same polling interval as other OS [media] ir-kbd-i2c: pass device code w/key in hauppauge case [media] rc/keymaps: Remove the obsolete rc-rc5-tv keymap [media] remove the old RC_MAP_HAUPPAUGE_NEW RC map [media] rc/keymaps: Rename Hauppauge table as rc-hauppauge [media] rc-rc5-hauppauge-new: Fix Hauppauge Grey mapping [media] rc-rc5-hauppauge-new: Add support for the old Black RC [media] rc-rc5-hauppauge-new: Add the old control to the table [media] rc-winfast: Fix the keycode tables [media] a800: Fix a few wrong IR key assignments [media] opera1: Use multimedia keys instead of an app-specific mapping [media] dw2102: Use multimedia keys instead of an app-specific mapping ... Fix up trivial conflicts (remove/modify and some real conflicts) in: arch/arm/mach-omap2/devices.c drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/dabusb/dabusb.c drivers/staging/dabusb/dabusb.h drivers/staging/easycap/easycap_ioctl.c drivers/staging/usbvideo/usbvideo.c drivers/staging/usbvideo/vicam.c
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/Kconfig8
-rw-r--r--drivers/staging/Makefile5
-rw-r--r--drivers/staging/altera-stapl/Kconfig8
-rw-r--r--drivers/staging/altera-stapl/Makefile3
-rw-r--r--drivers/staging/altera-stapl/altera-comp.c142
-rw-r--r--drivers/staging/altera-stapl/altera-exprt.h33
-rw-r--r--drivers/staging/altera-stapl/altera-jtag.c1020
-rw-r--r--drivers/staging/altera-stapl/altera-jtag.h113
-rw-r--r--drivers/staging/altera-stapl/altera-lpt.c70
-rw-r--r--drivers/staging/altera-stapl/altera.c2527
-rw-r--r--drivers/staging/cx25821/Kconfig1
-rw-r--r--drivers/staging/cx25821/cx25821-alsa.c2
-rw-r--r--drivers/staging/cx25821/cx25821-core.c16
-rw-r--r--drivers/staging/cx25821/cx25821-video.c9
-rw-r--r--drivers/staging/cx25821/cx25821.h3
-rw-r--r--drivers/staging/cxd2099/Kconfig11
-rw-r--r--drivers/staging/cxd2099/Makefile5
-rw-r--r--drivers/staging/cxd2099/TODO12
-rw-r--r--drivers/staging/cxd2099/cxd2099.c574
-rw-r--r--drivers/staging/cxd2099/cxd2099.h41
-rw-r--r--drivers/staging/dabusb/Kconfig14
-rw-r--r--drivers/staging/dabusb/Makefile2
-rw-r--r--drivers/staging/dabusb/TODO5
-rw-r--r--drivers/staging/dabusb/dabusb.c926
-rw-r--r--drivers/staging/dabusb/dabusb.h80
-rw-r--r--drivers/staging/easycap/easycap_ioctl.c3
-rw-r--r--drivers/staging/lirc/Kconfig12
-rw-r--r--drivers/staging/lirc/Makefile2
-rw-r--r--drivers/staging/lirc/TODO.lirc_zilog51
-rw-r--r--drivers/staging/lirc/lirc_imon.c2
-rw-r--r--drivers/staging/lirc/lirc_it87.c1027
-rw-r--r--drivers/staging/lirc/lirc_it87.h116
-rw-r--r--drivers/staging/lirc/lirc_ite8709.c542
-rw-r--r--drivers/staging/lirc/lirc_sasem.c2
-rw-r--r--drivers/staging/lirc/lirc_zilog.c814
-rw-r--r--drivers/staging/se401/Kconfig13
-rw-r--r--drivers/staging/se401/Makefile1
-rw-r--r--drivers/staging/se401/TODO5
-rw-r--r--drivers/staging/se401/se401.c1492
-rw-r--r--drivers/staging/se401/se401.h236
-rw-r--r--drivers/staging/se401/videodev.h318
-rw-r--r--drivers/staging/tm6000/tm6000-alsa.c13
-rw-r--r--drivers/staging/tm6000/tm6000-cards.c102
-rw-r--r--drivers/staging/tm6000/tm6000-core.c298
-rw-r--r--drivers/staging/tm6000/tm6000-regs.h63
-rw-r--r--drivers/staging/tm6000/tm6000-stds.c35
-rw-r--r--drivers/staging/tm6000/tm6000-video.c344
-rw-r--r--drivers/staging/tm6000/tm6000.h25
-rw-r--r--drivers/staging/usbvideo/Kconfig15
-rw-r--r--drivers/staging/usbvideo/Makefile2
-rw-r--r--drivers/staging/usbvideo/TODO5
-rw-r--r--drivers/staging/usbvideo/usbvideo.c2222
-rw-r--r--drivers/staging/usbvideo/usbvideo.h395
-rw-r--r--drivers/staging/usbvideo/vicam.c946
-rw-r--r--drivers/staging/usbvideo/videodev.h318
55 files changed, 5858 insertions, 9191 deletions
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index ccaa2009414..18b43fcb417 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -55,11 +55,7 @@ source "drivers/staging/cx25821/Kconfig"
source "drivers/staging/tm6000/Kconfig"
-source "drivers/staging/dabusb/Kconfig"
-
-source "drivers/staging/se401/Kconfig"
-
-source "drivers/staging/usbvideo/Kconfig"
+source "drivers/staging/cxd2099/Kconfig"
source "drivers/staging/usbip/Kconfig"
@@ -183,5 +179,7 @@ source "drivers/staging/ste_rmi4/Kconfig"
source "drivers/staging/gma500/Kconfig"
+source "drivers/staging/altera-stapl/Kconfig"
+
endif # !STAGING_EXCLUDE_BUILD
endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 3b223cbf86b..cfd13cd55ef 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -10,9 +10,7 @@ obj-$(CONFIG_SLICOSS) += slicoss/
obj-$(CONFIG_VIDEO_GO7007) += go7007/
obj-$(CONFIG_VIDEO_CX25821) += cx25821/
obj-$(CONFIG_VIDEO_TM6000) += tm6000/
-obj-$(CONFIG_USB_DABUSB) += dabusb/
-obj-$(CONFIG_USB_VICAM) += usbvideo/
-obj-$(CONFIG_USB_SE401) += se401/
+obj-$(CONFIG_DVB_CXD2099) += cxd2099/
obj-$(CONFIG_LIRC_STAGING) += lirc/
obj-$(CONFIG_USB_IP_COMMON) += usbip/
obj-$(CONFIG_W35UND) += winbond/
@@ -70,6 +68,7 @@ obj-$(CONFIG_BCM_WIMAX) += bcm/
obj-$(CONFIG_FT1000) += ft1000/
obj-$(CONFIG_SND_INTEL_SST) += intel_sst/
obj-$(CONFIG_SPEAKUP) += speakup/
+obj-$(CONFIG_ALTERA_STAPL) +=altera-stapl/
obj-$(CONFIG_TOUCHSCREEN_CLEARPAD_TM1217) += cptm1217/
obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4) += ste_rmi4/
obj-$(CONFIG_DRM_PSB) += gma500/
diff --git a/drivers/staging/altera-stapl/Kconfig b/drivers/staging/altera-stapl/Kconfig
new file mode 100644
index 00000000000..7f01d8e9399
--- /dev/null
+++ b/drivers/staging/altera-stapl/Kconfig
@@ -0,0 +1,8 @@
+comment "Altera FPGA firmware download module"
+
+config ALTERA_STAPL
+ tristate "Altera FPGA firmware download module"
+ depends on I2C
+ default n
+ help
+ An Altera FPGA module. Say Y when you want to support this tool.
diff --git a/drivers/staging/altera-stapl/Makefile b/drivers/staging/altera-stapl/Makefile
new file mode 100644
index 00000000000..055f61ee781
--- /dev/null
+++ b/drivers/staging/altera-stapl/Makefile
@@ -0,0 +1,3 @@
+altera-stapl-objs = altera-lpt.o altera-jtag.o altera-comp.o altera.o
+
+obj-$(CONFIG_ALTERA_STAPL) += altera-stapl.o
diff --git a/drivers/staging/altera-stapl/altera-comp.c b/drivers/staging/altera-stapl/altera-comp.c
new file mode 100644
index 00000000000..49b103bedaa
--- /dev/null
+++ b/drivers/staging/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/staging/altera-stapl/altera-exprt.h b/drivers/staging/altera-stapl/altera-exprt.h
new file mode 100644
index 00000000000..39c38d84a67
--- /dev/null
+++ b/drivers/staging/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/staging/altera-stapl/altera-jtag.c b/drivers/staging/altera-stapl/altera-jtag.c
new file mode 100644
index 00000000000..6b633b179a7
--- /dev/null
+++ b/drivers/staging/altera-stapl/altera-jtag.c
@@ -0,0 +1,1020 @@
+/*
+ * 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/firmware.h>
+#include <linux/slab.h>
+#include <staging/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;