Merge "target: msm8226: Enable panel auto-detection only for QRD DVT boards"
diff --git a/dev/gcdb/display/include/panel_hx8389b_qhd_video.h b/dev/gcdb/display/include/panel_hx8389b_qhd_video.h
index 1b756be..577918d 100644
--- a/dev/gcdb/display/include/panel_hx8389b_qhd_video.h
+++ b/dev/gcdb/display/include/panel_hx8389b_qhd_video.h
@@ -34,7 +34,6 @@
*---------------------------------------------------------------------------*/
#ifndef _PANEL_HX8389B_QHD_VIDEO_H_
-
#define _PANEL_HX8389B_QHD_VIDEO_H_
/*---------------------------------------------------------------------------*/
/* HEADER files */
@@ -44,240 +43,244 @@
/*---------------------------------------------------------------------------*/
/* Panel configuration */
/*---------------------------------------------------------------------------*/
-
static struct panel_config hx8389b_qhd_video_panel_data = {
- "qcom,mdss_dsi_hx8389b_qhd_video", "dsi:0:", "qcom,mdss-dsi-panel",
- 10, 0, "DISPLAY_1", 0, 0, 60, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ "qcom,mdss_dsi_hx8389b_qhd_video", "dsi:0:", "qcom,mdss-dsi-panel",
+ 10, 0, "DISPLAY_1", 0, 0, 60, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/*---------------------------------------------------------------------------*/
/* Panel resolution */
/*---------------------------------------------------------------------------*/
static struct panel_resolution hx8389b_qhd_video_panel_res = {
- 540, 960, 48, 96, 96, 0, 9, 13, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 540, 960, 60, 39, 39, 0, 9, 13, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/*---------------------------------------------------------------------------*/
-/* Panel Color Information */
+/* Panel color information */
/*---------------------------------------------------------------------------*/
static struct color_info hx8389b_qhd_video_color = {
- 24, 0, 0xff, 0, 0, 0
+ 24, 0, 0xff, 0, 0, 0
};
/*---------------------------------------------------------------------------*/
-/* Panel Command information */
+/* Panel on/off command information */
/*---------------------------------------------------------------------------*/
static char hx8389b_qhd_video_on_cmd0[] = {
-0x04, 0x00, 0x39, 0xC0,
-0xB9, 0xFF, 0x83, 0x89,
- };
-
+ 0x04, 0x00, 0x39, 0xC0,
+ 0xB9, 0xFF, 0x83, 0x89,
+};
static char hx8389b_qhd_video_on_cmd1[] = {
-0x08, 0x00, 0x39, 0xC0,
-0xBA, 0x41, 0x93, 0x00,
-0x16, 0xA4, 0x10, 0x18,
- };
-
+ 0xCC, 0x02, 0x15, 0x80
+};
static char hx8389b_qhd_video_on_cmd2[] = {
-0xC6, 0x08, 0x23, 0x80 };
-
+ 0x03, 0x00, 0x39, 0xC0,
+ 0xC0, 0x43, 0x17, 0xFF,
+};
static char hx8389b_qhd_video_on_cmd3[] = {
-0x03, 0x00, 0x39, 0xC0,
-0xBC, 0x02, 0x00, 0xFF, };
-
+ 0x08, 0x00, 0x39, 0xC0,
+ 0xBA, 0x41, 0x93, 0x00,
+ 0x16, 0xA4, 0x10, 0x18,
+};
static char hx8389b_qhd_video_on_cmd4[] = {
-0xCC, 0x02, 0x23, 0x80 };
-
+ 0x14, 0x00, 0x39, 0xC0,
+ 0xB1, 0x00, 0x00, 0x06,
+ 0xEB, 0x59, 0x10, 0x11,
+ 0xEE, 0xEE, 0x3A, 0x42,
+ 0x3F, 0x3F, 0x43, 0x01,
+ 0x5A, 0xF6, 0x00, 0xE6,
+};
static char hx8389b_qhd_video_on_cmd5[] = {
-0x14, 0x00, 0x39, 0xC0,
-0xB1, 0x00, 0x00, 0x07,
-0xE8, 0x50, 0x10, 0x11,
-0x98, 0xf8, 0x21, 0x29,
-0x27, 0x27, 0x43, 0x01,
-0x58, 0xF0, 0x00, 0xE6,
- };
-
+ 0x08, 0x00, 0x39, 0xC0,
+ 0xB2, 0x00, 0x00, 0x78,
+ 0x0C, 0x07, 0x3F, 0x80,
+};
static char hx8389b_qhd_video_on_cmd6[] = {
-0x08, 0x00, 0x39, 0xC0,
-0xB2, 0x00, 0x00, 0x78,
-0x0C, 0x07, 0x3F, 0x80,
- };
-
+ 0x04, 0x00, 0x39, 0xC0,
+ 0xb7, 0x00, 0x00, 0x50,
+};
static char hx8389b_qhd_video_on_cmd7[] = {
-0x18, 0x00, 0x39, 0xC0,
-0xb4, 0x82, 0x08, 0x00,
-0x32, 0x10, 0x04, 0x32,
-0x10, 0x00, 0x32, 0x10,
-0x00, 0x37, 0x0a, 0x40,
-0x08, 0x37, 0x0a, 0x40,
-0x14, 0x46, 0x50, 0x0a,
- };
-
+ 0x18, 0x00, 0x39, 0xC0,
+ 0xB4, 0x80, 0x08, 0x00,
+ 0x32, 0x10, 0x04, 0x32,
+ 0x10, 0x00, 0x32, 0x10,
+ 0x00, 0x37, 0x0a, 0x40,
+ 0x08, 0x37, 0x00, 0x46,
+ 0x02, 0x58, 0x58, 0x02,
+};
static char hx8389b_qhd_video_on_cmd8[] = {
-0x39, 0x00, 0x39, 0xC0,
-0xd5, 0x00, 0x00, 0x00,
-0x00, 0x01, 0x00, 0x00,
-0x00, 0x60, 0x00, 0x99,
-0x88, 0xAA, 0xBB, 0x88,
-0x23, 0x88, 0x01, 0x88,
-0x67, 0x88, 0x45, 0x01,
-0x23, 0x88, 0x88, 0x88,
-0x88, 0x88, 0x88, 0x99,
-0xBB, 0xAA, 0x88, 0x54,
-0x88, 0x76, 0x88, 0x10,
-0x88, 0x32, 0x32, 0x10,
-0x88, 0x88, 0x88, 0x88,
-0x88, 0x00, 0x04, 0x00,
-0x00, 0x00, 0x00, 0x00,
-0x00, 0xFF, 0xFF, 0xFF,
- };
-
+ 0x39, 0x00, 0x39, 0xC0,
+ 0xD5, 0x00, 0x00, 0x00,
+ 0x00, 0x01, 0x00, 0x00,
+ 0x00, 0x60, 0x00, 0x99,
+ 0x88, 0xAA, 0xBB, 0x88,
+ 0x23, 0x88, 0x01, 0x88,
+ 0x67, 0x88, 0x45, 0x01,
+ 0x23, 0x88, 0x88, 0x88,
+ 0x88, 0x88, 0x88, 0x99,
+ 0xBB, 0xAA, 0x88, 0x54,
+ 0x88, 0x76, 0x88, 0x10,
+ 0x88, 0x32, 0x32, 0x10,
+ 0x88, 0x88, 0x88, 0x88,
+ 0x88, 0x3C, 0x04, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0xFF, 0xFF, 0xFF,
+};
static char hx8389b_qhd_video_on_cmd9[] = {
-0x03, 0x00, 0x39, 0xC0,
-0xCB, 0x07, 0x07, 0xFF,
+ 0x23, 0x00, 0x39, 0xC0,
+ 0xE0, 0x05, 0x11, 0x16,
+ 0x35, 0x3F, 0x3F, 0x21,
+ 0x43, 0x07, 0x0C, 0x0F,
+ 0x11, 0x12, 0x10, 0x10,
+ 0x1D, 0x18, 0x05, 0x11,
+ 0x16, 0x35, 0x3F, 0x3F,
+ 0x21, 0x43, 0x07, 0x0C,
+ 0x0F, 0x11, 0x12, 0x10,
+ 0x10, 0x1D, 0x18, 0xFF,
};
-
static char hx8389b_qhd_video_on_cmd10[] = {
-0x05, 0x00, 0x39, 0xC0,
-0xBB, 0x00, 0x00, 0xFF,
-0x80, 0xFF, 0xFF, 0xFF,
+ 0x80, 0x00, 0x39, 0xC0,
+ 0xC1, 0x01, 0x00, 0x07,
+ 0x13, 0x21, 0x29, 0x2F,
+ 0x34, 0x3B, 0x42, 0x48,
+ 0x50, 0x58, 0x61, 0x69,
+ 0x71, 0x79, 0x81, 0x88,
+ 0x90, 0x98, 0xA0, 0xA9,
+ 0xB1, 0xB9, 0xC1, 0xC8,
+ 0xCE, 0xD6, 0xDF, 0xE6,
+ 0xEF, 0xF7, 0xFF, 0x0E,
+ 0x5A, 0x73, 0x69, 0x36,
+ 0x8E, 0x69, 0x5F, 0xC0,
+ 0x00, 0x07, 0x13, 0x21,
+ 0x29, 0x2F, 0x34, 0x3B,
+ 0x42, 0x48, 0x50, 0x58,
+ 0x61, 0x69, 0x71, 0x79,
+ 0x81, 0x88, 0x90, 0x98,
+ 0xA0, 0xA9, 0xB1, 0xB9,
+ 0xC1, 0xC8, 0xCE, 0xD6,
+ 0xDF, 0xE6, 0xEF, 0xF7,
+ 0xFF, 0x0E, 0x5A, 0x73,
+ 0x69, 0x36, 0x8E, 0x69,
+ 0x5F, 0xC0, 0x00, 0x07,
+ 0x13, 0x21, 0x29, 0x2F,
+ 0x34, 0x3B, 0x42, 0x48,
+ 0x50, 0x58, 0x61, 0x69,
+ 0x71, 0x79, 0x81, 0x88,
+ 0x90, 0x98, 0xA0, 0xA9,
+ 0xB1, 0xB9, 0xC1, 0xC8,
+ 0xCE, 0xD6, 0xDF, 0xE6,
+ 0xEF, 0xF7, 0xFF, 0x0E,
+ 0x5A, 0x73, 0x69, 0x36,
+ 0x8E, 0x69, 0x5F, 0xC0,
};
-
static char hx8389b_qhd_video_on_cmd11[] = {
-0x04, 0x00, 0x39, 0xC0,
-0xDE, 0x05, 0x58, 0x10,
- };
-
+ 0x05, 0x00, 0x39, 0xC0,
+ 0xB6, 0x00, 0x88, 0x00,
+ 0x88, 0xFF, 0xFF, 0xFF,
+};
static char hx8389b_qhd_video_on_cmd12[] = {
-0x05, 0x00, 0x39, 0xC0,
-0xB6, 0x00, 0x8A, 0x00,
-0x8A, 0xFF, 0xFF, 0xFF,
+ 0x11, 0x00, 0x05, 0x80
};
-
static char hx8389b_qhd_video_on_cmd13[] = {
-0x23, 0x00, 0x39, 0xC0,
-0xE0, 0x01, 0x08, 0x0C,
-0x1F, 0x25, 0x36, 0x12,
-0x35, 0x05, 0x09, 0x0D,
-0x10, 0x11, 0x0F, 0x0F,
-0x1C, 0x1D, 0x01, 0x08,
-0x0C, 0x1F, 0x25, 0x36,
-0x12, 0x35, 0x05, 0x09,
-0x0D, 0x10, 0x11, 0x0F,
-0x0F, 0x1C, 0x1D, 0xFF, };
-
-
-static char hx8389b_qhd_video_on_cmd14[] = {
-0x11, 0x00, 0x05, 0x80 };
-
-
-static char hx8389b_qhd_video_on_cmd15[] = {
-0x29, 0x00, 0x05, 0x80 };
-
-
-
+ 0x29, 0x00, 0x05, 0x80
+};
static struct mipi_dsi_cmd hx8389b_qhd_video_on_command[] = {
-{ 0x8 , hx8389b_qhd_video_on_cmd0, 0x00},
-{ 0xc , hx8389b_qhd_video_on_cmd1, 0x00},
-{ 0x4 , hx8389b_qhd_video_on_cmd2, 0x00},
-{ 0x8 , hx8389b_qhd_video_on_cmd3, 0x00},
-{ 0x4 , hx8389b_qhd_video_on_cmd4, 0x00},
-{ 0x18 , hx8389b_qhd_video_on_cmd5, 0x00},
-{ 0xc , hx8389b_qhd_video_on_cmd6, 0x00},
-{ 0x1c , hx8389b_qhd_video_on_cmd7, 0x00},
-{ 0x3c , hx8389b_qhd_video_on_cmd8, 0x00},
-{ 0x8 , hx8389b_qhd_video_on_cmd9, 0x00},
-{ 0xc , hx8389b_qhd_video_on_cmd10, 0x00},
-{ 0x8 , hx8389b_qhd_video_on_cmd11, 0x00},
-{ 0xc , hx8389b_qhd_video_on_cmd12, 0x00},
-{ 0x28 , hx8389b_qhd_video_on_cmd13, 0x00},
-{ 0x4 , hx8389b_qhd_video_on_cmd14, 0x96},
-{ 0x4 , hx8389b_qhd_video_on_cmd15, 0x96}
+ {0x8, hx8389b_qhd_video_on_cmd0, 0x0A},
+ {0x4, hx8389b_qhd_video_on_cmd1, 0x01},
+ {0x8, hx8389b_qhd_video_on_cmd2, 0x01},
+ {0xc, hx8389b_qhd_video_on_cmd3, 0x01},
+ {0x18, hx8389b_qhd_video_on_cmd4, 0x01},
+ {0xc, hx8389b_qhd_video_on_cmd5, 0x01},
+ {0x8, hx8389b_qhd_video_on_cmd6, 0x01},
+ {0x1c, hx8389b_qhd_video_on_cmd7, 0x01},
+ {0x40, hx8389b_qhd_video_on_cmd8, 0x01},
+ {0x28, hx8389b_qhd_video_on_cmd9, 0x01},
+ {0x84, hx8389b_qhd_video_on_cmd10, 0x05},
+ {0xc, hx8389b_qhd_video_on_cmd11, 0x01},
+ {0x4, hx8389b_qhd_video_on_cmd12, 0x78},
+ {0x4, hx8389b_qhd_video_on_cmd13, 0x32}
};
-#define HX8389B_QHD_VIDEO_ON_COMMAND 16
+
+#define HX8389B_QHD_VIDEO_ON_COMMAND 14
static char hx8389b_qhd_videooff_cmd0[] = {
-0x28, 0x00, 0x05, 0x80 };
-
+ 0x28, 0x00, 0x05, 0x80
+};
static char hx8389b_qhd_videooff_cmd1[] = {
-0x10, 0x00, 0x05, 0x80 };
-
-
-
+ 0x10, 0x00, 0x05, 0x80
+};
static struct mipi_dsi_cmd hx8389b_qhd_video_off_command[] = {
-{ 0x4 , hx8389b_qhd_videooff_cmd0},
-{ 0x4 , hx8389b_qhd_videooff_cmd1}
+ {0x4, hx8389b_qhd_videooff_cmd0, 0x32},
+ {0x4, hx8389b_qhd_videooff_cmd1, 0x78}
};
+
#define HX8389B_QHD_VIDEO_OFF_COMMAND 2
static struct command_state hx8389b_qhd_video_state = {
- 0, 0
+ 0, 0
};
/*---------------------------------------------------------------------------*/
/* Command mode panel information */
/*---------------------------------------------------------------------------*/
-
static struct commandpanel_info hx8389b_qhd_video_command_panel = {
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/*---------------------------------------------------------------------------*/
/* Video mode panel information */
/*---------------------------------------------------------------------------*/
-
static struct videopanel_info hx8389b_qhd_video_video_panel = {
- 1, 0, 0, 0, 1, 1, 2, 0, 0x9
+ 1, 0, 0, 0, 1, 1, 2, 0, 0x9
};
/*---------------------------------------------------------------------------*/
-/* Lane Configuration */
+/* Lane configuration */
/*---------------------------------------------------------------------------*/
-
static struct lane_configuration hx8389b_qhd_video_lane_config = {
- 2, 1, 1, 1, 0, 0
+ 2, 1, 1, 1, 0, 0
};
-
/*---------------------------------------------------------------------------*/
-/* Panel Timing */
+/* Panel timing */
/*---------------------------------------------------------------------------*/
static const uint32_t hx8389b_qhd_video_timings[] = {
- 0x97,0x23,0x17,0x00,0x4B,0x53,0x1C,0x27,0x27,0x03,0x04,0x00
+ 0x87, 0x1E, 0x14, 0x00, 0x44, 0x4B, 0x19, 0x21, 0x22, 0x03, 0x04, 0x00
};
static struct panel_timing hx8389b_qhd_video_timing_info = {
- 0, 4, 0x04, 0x1b
+ 0, 4, 0x04, 0x1b
};
+
+/*---------------------------------------------------------------------------*/
+/* Panel reset sequence */
+/*---------------------------------------------------------------------------*/
static struct panel_reset_sequence hx8389b_qhd_video_reset_seq = {
{ 2, 0, 2, }, { 20, 2, 20, }, 2
};
/*---------------------------------------------------------------------------*/
-/* Backlight Settings */
+/* Backlight setting */
/*---------------------------------------------------------------------------*/
-
static struct backlight hx8389b_qhd_video_backlight = {
0, 1, 255, 0, 1, 0
};
-
#endif /*_PANEL_HX8389B_QHD_VIDEO_H_*/
diff --git a/platform/msm8610/include/platform/pm_pwm.h b/platform/msm8610/include/platform/pm_pwm.h
new file mode 100644
index 0000000..238004d
--- /dev/null
+++ b/platform/msm8610/include/platform/pm_pwm.h
@@ -0,0 +1,63 @@
+/*
+ * * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __PMIC_PWM_H
+#define __PMIC_PWM_H
+
+#define PM_PWM_SIZE_SEL_MASK 0x04
+#define PM_PWM_SIZE_SEL_SHIFT 2
+
+#define PM_PWM_CLK_SEL_MASK 0x03
+
+#define PM_PWM_PREDIVIDE_MASK 0x60
+#define PM_PWM_PREDIVIDE_SHIFT 5
+
+#define PM_PWM_M_MASK 0x07
+
+#define PM_PWM_SYNC_MASK 0x01
+
+#define PM_PWM_ENABLE_CTL_MASK 0x80
+#define PM_PWM_ENABLE_CTL_SHIFT 7
+
+#define PM_PWM_EN_GLITCH_REMOVAL_MASK 0x20
+#define PM_PWM_EN_GLITCH_REMOVAL_SHIFT 5
+
+#define PM_PWM_VALUE_BIT7_0 0xFF
+#define PM_PWM_VALUE_BIT8 0x01
+#define PM_PWM_VALUE_BIT5_0 0x3F
+
+#define PM_PWM_BASE(x) (0x1BC00 + (x))
+#define PM_PWM_CTL_REG_OFFSET 0x41
+#define PM_PWM_SYNC_REG_OFFSET 0x47
+#define PM_PWM_ENABLE_CTL_REG_OFFSET 0x46
+
+int pm_pwm_config(unsigned int duty_us, unsigned int period_us);
+void pm_pwm_enable(bool enable);
+
+#endif
diff --git a/platform/msm8610/pm_pwm.c b/platform/msm8610/pm_pwm.c
new file mode 100644
index 0000000..19ccbb0
--- /dev/null
+++ b/platform/msm8610/pm_pwm.c
@@ -0,0 +1,256 @@
+/*
+ * * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <debug.h>
+#include <platform/pm_pwm.h>
+#include <pm8x41_hw.h>
+
+#define NSEC_PER_USEC 1000L
+#define USEC_PER_SEC 1000000L
+#define NSEC_PER_SEC 1000000000L
+
+#define NUM_REF_CLOCKS 3
+#define NSEC_1024HZ (NSEC_PER_SEC / 1024)
+#define NSEC_32768HZ (NSEC_PER_SEC / 32768)
+#define NSEC_19P2MHZ (NSEC_PER_SEC / 19200000)
+
+#define NUM_PRE_DIVIDE 4
+#define PRE_DIVIDE_1 1
+#define PRE_DIVIDE_3 3
+#define PRE_DIVIDE_5 5
+#define PRE_DIVIDE_6 6
+static unsigned int pt_t[NUM_PRE_DIVIDE][NUM_REF_CLOCKS] = {
+ { PRE_DIVIDE_1 * NSEC_1024HZ,
+ PRE_DIVIDE_1 * NSEC_32768HZ,
+ PRE_DIVIDE_1 * NSEC_19P2MHZ,
+ },
+ { PRE_DIVIDE_3 * NSEC_1024HZ,
+ PRE_DIVIDE_3 * NSEC_32768HZ,
+ PRE_DIVIDE_3 * NSEC_19P2MHZ,
+ },
+ { PRE_DIVIDE_5 * NSEC_1024HZ,
+ PRE_DIVIDE_5 * NSEC_32768HZ,
+ PRE_DIVIDE_5 * NSEC_19P2MHZ,
+ },
+ { PRE_DIVIDE_6 * NSEC_1024HZ,
+ PRE_DIVIDE_6 * NSEC_32768HZ,
+ PRE_DIVIDE_6 * NSEC_19P2MHZ,
+ },
+};
+
+enum pwm_ctl_reg {
+ SIZE_CLK,
+ FREQ_PREDIV_CLK,
+ TYPE_CONFIG,
+ VALUE_LSB,
+ VALUE_MSB,
+};
+
+#define NUM_PWM_CTL_REGS 5
+struct pm_pwm_config {
+ int pwm_size; /* round up to 6 or 9 for 6/9-bit PWM SIZE */
+ int clk;
+ int pre_div;
+ int pre_div_exp;
+ int pwm_value;
+ uint8_t pwm_ctl[NUM_PWM_CTL_REGS];
+};
+
+static void pm_pwm_reg_write(uint8_t off, uint8_t val)
+{
+ REG_WRITE(PM_PWM_BASE(off), val);
+}
+
+/*
+ * PWM Frequency = Clock Frequency / (N * T)
+ * or
+ * PWM Period = Clock Period * (N * T)
+ * where
+ * N = 2^9 or 2^6 for 9-bit or 6-bit PWM size
+ * T = Pre-divide * 2^m, where m = 0..7 (exponent)
+ *
+ * This is the formula to figure out m for the best pre-divide and clock:
+ * (PWM Period / N) = (Pre-divide * Clock Period) * 2^m
+ */
+
+#define PRE_DIVIDE_MAX 6
+#define CLK_PERIOD_MAX NSEC_1024HZ
+#define PM_PWM_M_MAX 7
+#define MAX_MPT ((PRE_DIVIDE_MAX * CLK_PERIOD_MAX) << PM_PWM_M_MAX)
+static void pm_pwm_calc_period(unsigned int period_us,
+ struct pm_pwm_config *pwm_config)
+{
+ int n, m, clk, div;
+ int best_m, best_div, best_clk;
+ unsigned int last_err, cur_err, min_err;
+ unsigned int tmp_p, period_n;
+
+ n = 6;
+
+ if (period_us < ((unsigned)(-1) / NSEC_PER_USEC))
+ period_n = (period_us * NSEC_PER_USEC) >> n;
+ else
+ period_n = (period_us >> n) * NSEC_PER_USEC;
+
+ if (period_n >= MAX_MPT) {
+ n = 9;
+ period_n >>= 3;
+ }
+
+ min_err = last_err = (unsigned)(-1);
+ best_m = 0;
+ best_clk = 0;
+ best_div = 0;
+ for (clk = 0; clk < NUM_REF_CLOCKS; clk++) {
+ for (div = 0; div < NUM_PRE_DIVIDE; div++) {
+ /* period_n = (PWM Period / N) */
+ /* tmp_p = (Pre-divide * Clock Period) * 2^m */
+ tmp_p = pt_t[div][clk];
+ for (m = 0; m <= PM_PWM_M_MAX; m++) {
+ if (period_n > tmp_p)
+ cur_err = period_n - tmp_p;
+ else
+ cur_err = tmp_p - period_n;
+
+ if (cur_err < min_err) {
+ min_err = cur_err;
+ best_m = m;
+ best_clk = clk;
+ best_div = div;
+ }
+
+ if (m && cur_err > last_err)
+ /* Break for bigger cur_err */
+ break;
+
+ last_err = cur_err;
+ tmp_p <<= 1;
+ }
+ }
+ }
+
+ pwm_config->pwm_size = n;
+ pwm_config->clk = best_clk;
+ pwm_config->pre_div = best_div;
+ pwm_config->pre_div_exp = best_m;
+}
+
+static void pm_pwm_calc_pwm_value(struct pm_pwm_config *pwm_config,
+ unsigned int period_us,
+ unsigned int duty_us)
+{
+ unsigned int max_pwm_value, tmp;
+
+ /* Figure out pwm_value with overflow handling */
+ tmp = 1 << (sizeof(tmp) * 8 - pwm_config->pwm_size);
+ if (duty_us < tmp) {
+ tmp = duty_us << pwm_config->pwm_size;
+ pwm_config->pwm_value = tmp / period_us;
+ } else {
+ tmp = period_us >> pwm_config->pwm_size;
+ pwm_config->pwm_value = duty_us / tmp;
+ }
+ max_pwm_value = (1 << pwm_config->pwm_size) - 1;
+ if (pwm_config->pwm_value > max_pwm_value)
+ pwm_config->pwm_value = max_pwm_value;
+}
+
+#define PM_PWM_SIZE_9_BIT 1
+#define PM_PWM_SIZE_6_BIT 0
+static void pm_pwm_config_regs(struct pm_pwm_config *pwm_config)
+{
+ int i;
+ uint8_t reg;
+
+ reg = ((pwm_config->pwm_size > 6 ? PM_PWM_SIZE_9_BIT : PM_PWM_SIZE_6_BIT)
+ << PM_PWM_SIZE_SEL_SHIFT)
+ & PM_PWM_SIZE_SEL_MASK;
+ reg |= (pwm_config->clk + 1) & PM_PWM_CLK_SEL_MASK;
+ pwm_config->pwm_ctl[SIZE_CLK] = reg;
+
+ reg = (pwm_config->pre_div << PM_PWM_PREDIVIDE_SHIFT)
+ & PM_PWM_PREDIVIDE_MASK;
+ reg |= pwm_config->pre_div_exp & PM_PWM_M_MASK;
+ pwm_config->pwm_ctl[FREQ_PREDIV_CLK] = reg;
+
+ /* Enable glitch removal by default */
+ reg = 1 << PM_PWM_EN_GLITCH_REMOVAL_SHIFT
+ & PM_PWM_EN_GLITCH_REMOVAL_MASK;
+ pwm_config->pwm_ctl[TYPE_CONFIG] = reg;
+
+ if (pwm_config->pwm_size > 6) {
+ pwm_config->pwm_ctl[VALUE_LSB] = pwm_config->pwm_value
+ & PM_PWM_VALUE_BIT7_0;
+ pwm_config->pwm_ctl[VALUE_MSB] = (pwm_config->pwm_value >> 8)
+ & PM_PWM_VALUE_BIT8;
+ } else
+ pwm_config->pwm_ctl[VALUE_LSB] = pwm_config->pwm_value
+ & PM_PWM_VALUE_BIT5_0;
+
+ for (i = 0; i < NUM_PWM_CTL_REGS; i++)
+ pm_pwm_reg_write(PM_PWM_CTL_REG_OFFSET + i, pwm_config->pwm_ctl[i]);
+
+ reg = 1 & PM_PWM_SYNC_MASK;
+ pm_pwm_reg_write(PM_PWM_SYNC_REG_OFFSET, reg);
+}
+
+/* usec: 19.2M, n=6, m=0, pre=2 */
+#define PM_PWM_PERIOD_MIN 7
+/* 1K, n=9, m=7, pre=6 */
+#define PM_PWM_PERIOD_MAX (384 * USEC_PER_SEC)
+int pm_pwm_config(unsigned int duty_us, unsigned int period_us)
+{
+ struct pm_pwm_config pwm_config;
+
+ if ((duty_us > period_us) || (period_us > PM_PWM_PERIOD_MAX) ||
+ (period_us < PM_PWM_PERIOD_MIN)) {
+ dprintf(CRITICAL, "Error in duty cycle and period\n");
+ return -1;
+ }
+
+ pm_pwm_calc_period(period_us, &pwm_config);
+ pm_pwm_calc_pwm_value(&pwm_config, period_us, duty_us);
+
+ dprintf(SPEW, "duty/period=%u/%u usec: pwm_value=%d (of %d)\n",
+ duty_us, period_us, pwm_config.pwm_value, 1 << pwm_config.pwm_size);
+
+ pm_pwm_config_regs(&pwm_config);
+
+ return 0;
+}
+
+void pm_pwm_enable(bool enable)
+{
+ uint8_t reg;
+
+ reg = enable << PM_PWM_ENABLE_CTL_SHIFT
+ & PM_PWM_ENABLE_CTL_MASK;
+
+ pm_pwm_reg_write(PM_PWM_ENABLE_CTL_REG_OFFSET, reg);
+}
diff --git a/platform/msm8610/rules.mk b/platform/msm8610/rules.mk
index 234432f..fa41936 100644
--- a/platform/msm8610/rules.mk
+++ b/platform/msm8610/rules.mk
@@ -22,7 +22,8 @@
$(LOCAL_DIR)/platform.o \
$(LOCAL_DIR)/acpuclock.o \
$(LOCAL_DIR)/msm8610-clock.o \
- $(LOCAL_DIR)/gpio.o
+ $(LOCAL_DIR)/gpio.o \
+ $(LOCAL_DIR)/pm_pwm.o
LINKER_SCRIPT += $(BUILDDIR)/system-onesegment.ld
diff --git a/target/msm8610/target_display.c b/target/msm8610/target_display.c
index 36f25a6..e352c46 100644
--- a/target/msm8610/target_display.c
+++ b/target/msm8610/target_display.c
@@ -37,6 +37,7 @@
#include <board.h>
#include <platform/gpio.h>
#include <platform/iomap.h>
+#include <platform/pm_pwm.h>
#include <target/display.h>
#include "include/panel.h"
@@ -49,16 +50,29 @@
#define GPIO_STATE_HIGH 2
#define RESET_GPIO_SEQ_LEN 3
+#define PWM_DUTY_US 13
+#define PWM_PERIOD_US 27
+
int target_backlight_ctrl(uint8_t enable)
{
struct pm8x41_mpp mpp;
+ int rc;
+
mpp.base = PM8x41_MMP3_BASE;
- mpp.mode = MPP_HIGH;
mpp.vin = MPP_VIN3;
if (enable) {
+ pm_pwm_enable(false);
+ rc = pm_pwm_config(PWM_DUTY_US, PWM_PERIOD_US);
+ if (rc < 0)
+ mpp.mode = MPP_HIGH;
+ else {
+ mpp.mode = MPP_DTEST1;
+ pm_pwm_enable(true);
+ }
pm8x41_config_output_mpp(&mpp);
pm8x41_enable_mpp(&mpp, MPP_ENABLE);
} else {
+ pm_pwm_enable(false);
pm8x41_enable_mpp(&mpp, MPP_DISABLE);
}
/* Need delay before power on regulators */