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-rw-r--r--src/drivers/parade/Kconfig20
-rw-r--r--src/drivers/parade/Makefile.inc20
-rw-r--r--src/drivers/parade/ps8625/Kconfig24
-rw-r--r--src/drivers/parade/ps8625/Makefile.inc20
-rw-r--r--src/drivers/parade/ps8625/ps8625.c161
-rw-r--r--src/drivers/parade/ps8625/ps8625.h25
6 files changed, 270 insertions, 0 deletions
diff --git a/src/drivers/parade/Kconfig b/src/drivers/parade/Kconfig
new file mode 100644
index 0000000000..b4b2ac2fbc
--- /dev/null
+++ b/src/drivers/parade/Kconfig
@@ -0,0 +1,20 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2013 Google Inc.
+##
+## 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; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+##
+
+source src/drivers/parade/ps8625/Kconfig
diff --git a/src/drivers/parade/Makefile.inc b/src/drivers/parade/Makefile.inc
new file mode 100644
index 0000000000..efbd11de0f
--- /dev/null
+++ b/src/drivers/parade/Makefile.inc
@@ -0,0 +1,20 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2013 Google Inc.
+##
+## 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; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+##
+
+subdirs-$(CONFIG_DRIVER_PARADE_PS8625) += ps8625/
diff --git a/src/drivers/parade/ps8625/Kconfig b/src/drivers/parade/ps8625/Kconfig
new file mode 100644
index 0000000000..41aa92b983
--- /dev/null
+++ b/src/drivers/parade/ps8625/Kconfig
@@ -0,0 +1,24 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2013 Google Inc.
+##
+## 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; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+##
+
+config DRIVER_PARADE_PS8625
+ bool
+ default n
+ help
+ Parade ps8625 display port to lvds bridge
diff --git a/src/drivers/parade/ps8625/Makefile.inc b/src/drivers/parade/ps8625/Makefile.inc
new file mode 100644
index 0000000000..ef546bae3b
--- /dev/null
+++ b/src/drivers/parade/ps8625/Makefile.inc
@@ -0,0 +1,20 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2013 Google Inc.
+##
+## 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; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+##
+
+ramstage-$(CONFIG_DRIVER_PARADE_PS8625) += ps8625.c
diff --git a/src/drivers/parade/ps8625/ps8625.c b/src/drivers/parade/ps8625/ps8625.c
new file mode 100644
index 0000000000..6cbe3b71d6
--- /dev/null
+++ b/src/drivers/parade/ps8625/ps8625.c
@@ -0,0 +1,161 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2013 Google Inc.
+ *
+ * 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "ps8625.h"
+
+#include <device/i2c.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+struct parade_write {
+ uint8_t offset;
+ uint8_t reg;
+ uint8_t val;
+};
+
+static const struct parade_write parade_writes[] = {
+ { 0x02, 0xa1, 0x01 }, /* HPD low */
+ /*
+ * SW setting
+ * [1:0] SW output 1.2V voltage is lower to 96%
+ */
+ { 0x04, 0x14, 0x01 },
+ /*
+ * RCO SS setting
+ * [5:4] = b01 0.5%, b10 1%, b11 1.5%
+ */
+ { 0x04, 0xe3, 0x20 },
+ { 0x04, 0xe2, 0x80 }, /* [7] RCO SS enable */
+ /*
+ * RPHY Setting
+ * [3:2] CDR tune wait cycle before
+ * measure for fine tune b00: 1us,
+ * 01: 0.5us, 10:2us, 11:4us.
+ */
+ { 0x04, 0x8a, 0x0c },
+ { 0x04, 0x89, 0x08 }, /* [3] RFD always on */
+ /*
+ * CTN lock in/out:
+ * 20000ppm/80000ppm. Lock out 2
+ * times.
+ */
+ { 0x04, 0x71, 0x2d },
+ /*
+ * 2.7G CDR settings
+ * NOF=40LSB for HBR CDR setting
+ */
+ { 0x04, 0x7d, 0x07 },
+ { 0x04, 0x7b, 0x00 }, /* [1:0] Fmin=+4bands */
+ { 0x04, 0x7a, 0xfd }, /* [7:5] DCO_FTRNG=+-40% */
+ /*
+ * 1.62G CDR settings
+ * [5:2]NOF=64LSB [1:0]DCO scale is 2/5
+ */
+ { 0x04, 0xc0, 0x12 },
+ { 0x04, 0xc1, 0x92 }, /* Gitune=-37% */
+ { 0x04, 0xc2, 0x1c }, /* Fbstep=100% */
+ { 0x04, 0x32, 0x80 }, /* [7] LOS signal disable */
+ /*
+ * RPIO Setting
+ * [7:4] LVDS driver bias current :
+ * 75% (250mV swing)
+ */
+ { 0x04, 0x00, 0xb0 },
+ /*
+ * [7:6] Right-bar GPIO output strength is 8mA
+ */
+ { 0x04, 0x15, 0x40 },
+ /* EQ Training State Machine Setting */
+ { 0x04, 0x54, 0x10 }, /* RCO calibration start */
+ /* [4:0] MAX_LANE_COUNT set to one lane */
+ { 0x01, 0x02, 0x81 },
+ /* [4:0] LANE_COUNT_SET set to one lane */
+ { 0x01, 0x21, 0x81 },
+ { 0x00, 0x52, 0x20 },
+ { 0x00, 0xf1, 0x03 }, /* HPD CP toggle enable */
+ { 0x00, 0x62, 0x41 },
+ /* Counter number, add 1ms counter delay */
+ { 0x00, 0xf6, 0x01 },
+ /*
+ * [6]PWM function control by
+ * DPCD0040f[7], default is PWM
+ * block always works.
+ */
+ { 0x00, 0x77, 0x06 },
+ /*
+ * 04h Adjust VTotal tolerance to
+ * fix the 30Hz no display issue
+ */
+ { 0x00, 0x4c, 0x04 },
+ /* DPCD00400='h00, Parade OUI = 'h001cf8 */
+ { 0x01, 0xc0, 0x00 },
+ { 0x01, 0xc1, 0x1c }, /* DPCD00401='h1c */
+ { 0x01, 0xc2, 0xf8 }, /* DPCD00402='hf8 */
+ /*
+ * DPCD403~408 = ASCII code
+ * D2SLV5='h4432534c5635
+ */
+ { 0x01, 0xc3, 0x44 },
+ { 0x01, 0xc4, 0x32 }, /* DPCD404 */
+ { 0x01, 0xc5, 0x53 }, /* DPCD405 */
+ { 0x01, 0xc6, 0x4c }, /* DPCD406 */
+ { 0x01, 0xc7, 0x56 }, /* DPCD407 */
+ { 0x01, 0xc8, 0x35 }, /* DPCD408 */
+ /*
+ * DPCD40A, Initial Code major revision
+ * '01'
+ */
+ { 0x01, 0xca, 0x01 },
+ /* DPCD40B, Initial Code minor revision '05' */
+ { 0x01, 0xcb, 0x05 },
+ /* DPCD720, Select internal PWM */
+ { 0x01, 0xa5, 0xa0 },
+ /*
+ * FFh for 100% PWM of brightness, 0h for 0%
+ * brightness
+ */
+ { 0x01, 0xa7, 0xff },
+ /*
+ * Set LVDS output as 6bit-VESA mapping,
+ * single LVDS channel
+ */
+ { 0x01, 0xcc, 0x13 },
+ /* Enable SSC set by register */
+ { 0x02, 0xb1, 0x20 },
+ /*
+ * Set SSC enabled and +/-1% central
+ * spreading
+ */
+ { 0x04, 0x10, 0x16 },
+ /* MPU Clock source: LC => RCO */
+ { 0x04, 0x59, 0x60 },
+ { 0x04, 0x54, 0x14 }, /* LC -> RCO */
+ { 0x02, 0xa1, 0x91 } /* HPD high */
+};
+
+void parade_ps8625_bridge_setup(unsigned bus, unsigned chip_base)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(parade_writes); i++) {
+ const struct parade_write *w = &parade_writes[i];
+ i2c_write(bus, chip_base + w->offset, w->reg, sizeof(w->reg),
+ &w->val, sizeof(w->val));
+ }
+}
diff --git a/src/drivers/parade/ps8625/ps8625.h b/src/drivers/parade/ps8625/ps8625.h
new file mode 100644
index 0000000000..2ef757763e
--- /dev/null
+++ b/src/drivers/parade/ps8625/ps8625.h
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2013 Google Inc.
+ *
+ * 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __PS8625_H__
+#define __PS8625_H__
+
+void parade_ps8625_bridge_setup(unsigned bus, unsigned chip_base);
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 03:36:20 +0000