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path: root/drivers/video/tegra/dc/dc_config.c
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Diffstat (limited to 'drivers/video/tegra/dc/dc_config.c')
-rw-r--r--drivers/video/tegra/dc/dc_config.c252
1 files changed, 252 insertions, 0 deletions
diff --git a/drivers/video/tegra/dc/dc_config.c b/drivers/video/tegra/dc/dc_config.c
new file mode 100644
index 00000000..3eebab6
--- /dev/null
+++ b/drivers/video/tegra/dc/dc_config.c
@@ -0,0 +1,252 @@
+/*
+ * drivers/video/tegra/dc/dc_config.c
+ * * Copyright (c) 2012, NVIDIA Corporation.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "dc_config.h"
+
+static struct tegra_dc_feature_entry t20_feature_entries_a[] = {
+ { 0, TEGRA_DC_FEATURE_FORMATS, {TEGRA_WIN_FMT_WIN_A,} },
+ { 0, TEGRA_DC_FEATURE_BLEND_TYPE, {1,} },
+ { 0, TEGRA_DC_FEATURE_MAXIMUM_SIZE, {4095, 16, 4095, 16,} },
+ { 0, TEGRA_DC_FEATURE_MAXIMUM_SCALE, {2, 2, 2, 2,} },
+ { 0, TEGRA_DC_FEATURE_FILTER_TYPE, {0, 0,} },
+ { 0, TEGRA_DC_FEATURE_LAYOUT_TYPE, {1,} },
+ { 0, TEGRA_DC_FEATURE_INVERT_TYPE, {1, 1, 0,} },
+
+ { 1, TEGRA_DC_FEATURE_FORMATS, {TEGRA_WIN_FMT_WIN_B,} },
+ { 1, TEGRA_DC_FEATURE_BLEND_TYPE, {1,} },
+ { 1, TEGRA_DC_FEATURE_MAXIMUM_SIZE, {4095, 16, 4095, 16,} },
+ { 1, TEGRA_DC_FEATURE_MAXIMUM_SCALE, {2, 2, 2, 2,} },
+ { 1, TEGRA_DC_FEATURE_FILTER_TYPE, {1, 1,} },
+ { 1, TEGRA_DC_FEATURE_LAYOUT_TYPE, {1,} },
+ { 1, TEGRA_DC_FEATURE_INVERT_TYPE, {1, 1, 0,} },
+
+ { 2, TEGRA_DC_FEATURE_FORMATS, {TEGRA_WIN_FMT_WIN_C,} },
+ { 2, TEGRA_DC_FEATURE_BLEND_TYPE, {1,} },
+ { 2, TEGRA_DC_FEATURE_MAXIMUM_SIZE, {4095, 16, 4095, 16,} },
+ { 2, TEGRA_DC_FEATURE_MAXIMUM_SCALE, {2, 2, 2, 2,} },
+ { 2, TEGRA_DC_FEATURE_FILTER_TYPE, {0, 1,} },
+ { 2, TEGRA_DC_FEATURE_LAYOUT_TYPE, {1,} },
+ { 2, TEGRA_DC_FEATURE_INVERT_TYPE, {1, 1, 0,} },
+};
+
+static struct tegra_dc_feature_entry t20_feature_entries_b[] = {
+ { 0, TEGRA_DC_FEATURE_FORMATS, {TEGRA_WIN_FMT_WIN_A,} },
+ { 0, TEGRA_DC_FEATURE_BLEND_TYPE, {1,} },
+ { 0, TEGRA_DC_FEATURE_MAXIMUM_SIZE, {4095, 16, 4095, 16,} },
+ { 0, TEGRA_DC_FEATURE_MAXIMUM_SCALE, {2, 2, 2, 2,} },
+ { 0, TEGRA_DC_FEATURE_FILTER_TYPE, {0, 0,} },
+ { 0, TEGRA_DC_FEATURE_LAYOUT_TYPE, {1,} },
+ { 0, TEGRA_DC_FEATURE_INVERT_TYPE, {1, 1, 0,} },
+
+ { 1, TEGRA_DC_FEATURE_FORMATS, {TEGRA_WIN_FMT_WIN_B,} },
+ { 1, TEGRA_DC_FEATURE_BLEND_TYPE, {1,} },
+ { 1, TEGRA_DC_FEATURE_MAXIMUM_SIZE, {4095, 16, 4095, 16,} },
+ { 1, TEGRA_DC_FEATURE_MAXIMUM_SCALE, {2, 2, 2, 2,} },
+ { 1, TEGRA_DC_FEATURE_FILTER_TYPE, {1, 1,} },
+ { 1, TEGRA_DC_FEATURE_LAYOUT_TYPE, {1,} },
+ { 1, TEGRA_DC_FEATURE_INVERT_TYPE, {1, 1, 0,} },
+
+ { 2, TEGRA_DC_FEATURE_FORMATS, {TEGRA_WIN_FMT_WIN_C,} },
+ { 2, TEGRA_DC_FEATURE_BLEND_TYPE, {1,} },
+ { 2, TEGRA_DC_FEATURE_MAXIMUM_SIZE, {4095, 16, 4095, 16,} },
+ { 2, TEGRA_DC_FEATURE_MAXIMUM_SCALE, {2, 2, 2, 2,} },
+ { 2, TEGRA_DC_FEATURE_FILTER_TYPE, {0, 1,} },
+ { 2, TEGRA_DC_FEATURE_LAYOUT_TYPE, {1,} },
+ { 2, TEGRA_DC_FEATURE_INVERT_TYPE, {1, 1, 0,} },
+};
+
+struct tegra_dc_feature t20_feature_table_a = {
+ ARRAY_SIZE(t20_feature_entries_a), t20_feature_entries_a,
+};
+
+struct tegra_dc_feature t20_feature_table_b = {
+ ARRAY_SIZE(t20_feature_entries_b), t20_feature_entries_b,
+};
+
+static struct tegra_dc_feature_entry t30_feature_entries_a[] = {
+ { 0, TEGRA_DC_FEATURE_FORMATS, {TEGRA_WIN_FMT_WIN_A,} },
+ { 0, TEGRA_DC_FEATURE_BLEND_TYPE, {1,} },
+ { 0, TEGRA_DC_FEATURE_MAXIMUM_SIZE, {4095, 16, 4095, 16,} },
+ { 0, TEGRA_DC_FEATURE_MAXIMUM_SCALE, {2, 2, 2, 2,} },
+ { 0, TEGRA_DC_FEATURE_FILTER_TYPE, {0, 0,} },
+ { 0, TEGRA_DC_FEATURE_LAYOUT_TYPE, {1,} },
+ { 0, TEGRA_DC_FEATURE_INVERT_TYPE, {1, 1, 0,} },
+
+ { 1, TEGRA_DC_FEATURE_FORMATS, {TEGRA_WIN_FMT_WIN_B,} },
+ { 1, TEGRA_DC_FEATURE_BLEND_TYPE, {1,} },
+ { 1, TEGRA_DC_FEATURE_MAXIMUM_SIZE, {4095, 16, 4095, 16,} },
+ { 1, TEGRA_DC_FEATURE_MAXIMUM_SCALE, {2, 2, 2, 2,} },
+ { 1, TEGRA_DC_FEATURE_FILTER_TYPE, {1, 1,} },
+ { 1, TEGRA_DC_FEATURE_LAYOUT_TYPE, {1,} },
+ { 1, TEGRA_DC_FEATURE_INVERT_TYPE, {1, 1, 0,} },
+
+ { 2, TEGRA_DC_FEATURE_FORMATS, {TEGRA_WIN_FMT_WIN_C,} },
+ { 2, TEGRA_DC_FEATURE_BLEND_TYPE, {1,} },
+ { 2, TEGRA_DC_FEATURE_MAXIMUM_SIZE, {4095, 16, 4095, 16,} },
+ { 2, TEGRA_DC_FEATURE_MAXIMUM_SCALE, {2, 2, 2, 2,} },
+ { 2, TEGRA_DC_FEATURE_FILTER_TYPE, {0, 1,} },
+ { 2, TEGRA_DC_FEATURE_LAYOUT_TYPE, {1,} },
+ { 2, TEGRA_DC_FEATURE_INVERT_TYPE, {1, 1, 0,} },
+};
+
+static struct tegra_dc_feature_entry t30_feature_entries_b[] = {
+ { 0, TEGRA_DC_FEATURE_FORMATS, {TEGRA_WIN_FMT_WIN_A,} },
+ { 0, TEGRA_DC_FEATURE_BLEND_TYPE, {1,} },
+ { 0, TEGRA_DC_FEATURE_MAXIMUM_SIZE, {4095, 16, 4095, 16,} },
+ { 0, TEGRA_DC_FEATURE_MAXIMUM_SCALE, {2, 2, 2, 2,} },
+ { 0, TEGRA_DC_FEATURE_FILTER_TYPE, {0, 0,} },
+ { 0, TEGRA_DC_FEATURE_LAYOUT_TYPE, {1,} },
+ { 0, TEGRA_DC_FEATURE_INVERT_TYPE, {1, 1, 0,} },
+
+ { 1, TEGRA_DC_FEATURE_FORMATS, {TEGRA_WIN_FMT_WIN_B,} },
+ { 1, TEGRA_DC_FEATURE_BLEND_TYPE, {1,} },
+ { 1, TEGRA_DC_FEATURE_MAXIMUM_SIZE, {4095, 16, 4095, 16,} },
+ { 1, TEGRA_DC_FEATURE_MAXIMUM_SCALE, {2, 2, 2, 2,} },
+ { 1, TEGRA_DC_FEATURE_FILTER_TYPE, {1, 1,} },
+ { 1, TEGRA_DC_FEATURE_LAYOUT_TYPE, {1,} },
+ { 1, TEGRA_DC_FEATURE_INVERT_TYPE, {1, 1, 0,} },
+
+ { 2, TEGRA_DC_FEATURE_FORMATS, {TEGRA_WIN_FMT_WIN_C,} },
+ { 2, TEGRA_DC_FEATURE_BLEND_TYPE, {1,} },
+ { 2, TEGRA_DC_FEATURE_MAXIMUM_SIZE, {4095, 16, 4095, 16,} },
+ { 2, TEGRA_DC_FEATURE_MAXIMUM_SCALE, {2, 2, 2, 2,} },
+ { 2, TEGRA_DC_FEATURE_FILTER_TYPE, {0, 1,} },
+ { 2, TEGRA_DC_FEATURE_LAYOUT_TYPE, {1,} },
+ { 2, TEGRA_DC_FEATURE_INVERT_TYPE, {1, 1, 0,} },
+};
+
+struct tegra_dc_feature t30_feature_table_a = {
+ ARRAY_SIZE(t30_feature_entries_a), t30_feature_entries_a,
+};
+
+struct tegra_dc_feature t30_feature_table_b = {
+ ARRAY_SIZE(t30_feature_entries_b), t30_feature_entries_b,
+};
+
+int tegra_dc_get_feature(struct tegra_dc_feature *feature, int win_idx,
+ enum tegra_dc_feature_option option)
+{
+ int i;
+ struct tegra_dc_feature_entry *entry;
+
+ if (!feature)
+ return -EINVAL;
+
+ for (i = 0; i < feature->num_entries; i++) {
+ entry = &feature->entries[i];
+ if (entry->window_index == win_idx && entry->option == option)
+ return i;
+ }
+
+ return -EINVAL;
+}
+
+long *tegra_dc_parse_feature(struct tegra_dc *dc, int win_idx, int operation)
+{
+ int idx;
+ struct tegra_dc_feature_entry *entry;
+ enum tegra_dc_feature_option option;
+ struct tegra_dc_feature *feature = dc->feature;
+
+ switch (operation) {
+ case GET_WIN_FORMATS:
+ option = TEGRA_DC_FEATURE_FORMATS;
+ break;
+ case GET_WIN_SIZE:
+ option = TEGRA_DC_FEATURE_MAXIMUM_SIZE;
+ break;
+ case HAS_SCALE:
+ option = TEGRA_DC_FEATURE_MAXIMUM_SCALE;
+ break;
+ case HAS_TILED:
+ option = TEGRA_DC_FEATURE_LAYOUT_TYPE;
+ break;
+ case HAS_V_FILTER:
+ option = TEGRA_DC_FEATURE_FILTER_TYPE;
+ break;
+ case HAS_H_FILTER:
+ option = TEGRA_DC_FEATURE_FILTER_TYPE;
+ break;
+ case HAS_GEN2_BLEND:
+ option = TEGRA_DC_FEATURE_BLEND_TYPE;
+ break;
+ default:
+ return NULL;
+ }
+
+ idx = tegra_dc_get_feature(feature, win_idx, option);
+ if (IS_ERR_VALUE(idx))
+ return NULL;
+ entry = &feature->entries[idx];
+
+ return entry->arg;
+}
+
+int tegra_dc_feature_has_scaling(struct tegra_dc *dc, int win_idx)
+{
+ int i;
+ long *addr = tegra_dc_parse_feature(dc, win_idx, HAS_SCALE);
+
+ for (i = 0; i < ENTRY_SIZE; i++)
+ if (addr[i] != 1)
+ return 1;
+ return 0;
+}
+
+int tegra_dc_feature_has_tiling(struct tegra_dc *dc, int win_idx)
+{
+ long *addr = tegra_dc_parse_feature(dc, win_idx, HAS_TILED);
+
+ return addr[0];
+}
+
+int tegra_dc_feature_has_filter(struct tegra_dc *dc, int win_idx, int operation)
+{
+ long *addr = tegra_dc_parse_feature(dc, win_idx, operation);
+
+ if (operation == HAS_V_FILTER)
+ return addr[0];
+ else
+ return addr[1];
+}
+
+void tegra_dc_feature_register(struct tegra_dc *dc)
+{
+#if defined(CONFIG_ARCH_TEGRA_2x_SOC)
+ if (!dc->ndev->id)
+ dc->feature = &t20_feature_table_a;
+ else
+ dc->feature = &t20_feature_table_b;
+#elif defined(CONFIG_ARCH_TEGRA_3x_SOC)
+ if (!dc->ndev->id)
+ dc->feature = &t30_feature_table_a;
+ else
+ dc->feature = &t30_feature_table_b;
+#elif defined(CONFIG_ARCH_TEGRA_11x_SOC)
+ if (!dc->ndev->id)
+ dc->feature = &t114_feature_table_a;
+ else
+ dc->feature = &t114_feature_table_b;
+#elif defined(CONFIG_ARCH_TEGRA_14x_SOC)
+ if (!dc->ndev->id)
+ dc->feature = &t148_feature_table_a;
+ else
+ dc->feature = &t148_feature_table_b;
+#endif
+}