Linux-libre 4.3.2-gnu

1 files changed, 92 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
new file mode 100644
index 000000000..5872d5e59
--- /dev/null
+++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#include "dsi_cfg.h"
+
+/* DSI v2 has not been supported by now */
+static const struct msm_dsi_config dsi_v2_cfg = {
+	.io_offset = 0,
+};
+
+static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
+	.io_offset = DSI_6G_REG_SHIFT,
+	.reg_cfg = {
+		.num = 4,
+		.regs = {
+			{"gdsc", -1, -1, -1, -1},
+			{"vdd", 3000000, 3000000, 150000, 100},
+			{"vdda", 1200000, 1200000, 100000, 100},
+			{"vddio", 1800000, 1800000, 100000, 100},
+		},
+	},
+};
+
+static const struct msm_dsi_config msm8916_dsi_cfg = {
+	.io_offset = DSI_6G_REG_SHIFT,
+	.reg_cfg = {
+		.num = 4,
+		.regs = {
+			{"gdsc", -1, -1, -1, -1},
+			{"vdd", 2850000, 2850000, 100000, 100},
+			{"vdda", 1200000, 1200000, 100000, 100},
+			{"vddio", 1800000, 1800000, 100000, 100},
+		},
+	},
+};
+
+static const struct msm_dsi_config msm8994_dsi_cfg = {
+	.io_offset = DSI_6G_REG_SHIFT,
+	.reg_cfg = {
+		.num = 7,
+		.regs = {
+			{"gdsc", -1, -1, -1, -1},
+			{"vdda", 1250000, 1250000, 100000, 100},
+			{"vddio", 1800000, 1800000, 100000, 100},
+			{"vcca", 1000000, 1000000, 10000, 100},
+			{"vdd", 1800000, 1800000, 100000, 100},
+			{"lab_reg", -1, -1, -1, -1},
+			{"ibb_reg", -1, -1, -1, -1},
+		},
+	}
+};
+
+static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
+	{MSM_DSI_VER_MAJOR_V2, U32_MAX, &dsi_v2_cfg},
+	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_0,
+						&msm8974_apq8084_dsi_cfg},
+	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1,
+						&msm8974_apq8084_dsi_cfg},
+	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1_1,
+						&msm8974_apq8084_dsi_cfg},
+	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_2,
+						&msm8974_apq8084_dsi_cfg},
+	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3, &msm8994_dsi_cfg},
+	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3_1, &msm8916_dsi_cfg},
+};
+
+const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor)
+{
+	const struct msm_dsi_cfg_handler *cfg_hnd = NULL;
+	int i;
+
+	for (i = ARRAY_SIZE(dsi_cfg_handlers) - 1; i >= 0; i--) {
+		if ((dsi_cfg_handlers[i].major == major) &&
+			(dsi_cfg_handlers[i].minor == minor)) {
+			cfg_hnd = &dsi_cfg_handlers[i];
+			break;
+		}
+	}
+
+	return cfg_hnd;
+}
+