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Diffstat (limited to 'recipes/linux/linux-openmoko-2.6.32/0025-Almost-make-rotation-work.patch')
-rw-r--r--recipes/linux/linux-openmoko-2.6.32/0025-Almost-make-rotation-work.patch212
1 files changed, 212 insertions, 0 deletions
diff --git a/recipes/linux/linux-openmoko-2.6.32/0025-Almost-make-rotation-work.patch b/recipes/linux/linux-openmoko-2.6.32/0025-Almost-make-rotation-work.patch
new file mode 100644
index 0000000000..84132c7649
--- /dev/null
+++ b/recipes/linux/linux-openmoko-2.6.32/0025-Almost-make-rotation-work.patch
@@ -0,0 +1,212 @@
+From 2f37934f81b3f46ad5c3dac6484a2c3c255066fc Mon Sep 17 00:00:00 2001
+From: Thomas White <taw@bitwiz.org.uk>
+Date: Wed, 28 Apr 2010 00:09:00 +0200
+Subject: [PATCH 27/27] Almost make rotation work
+
+Signed-off-by: Thomas White <taw@bitwiz.org.uk>
+---
+ drivers/mfd/glamo/glamo-display.c | 171 ++++++++++++++++++++++++++++---------
+ 1 files changed, 129 insertions(+), 42 deletions(-)
+
+diff --git a/drivers/mfd/glamo/glamo-display.c b/drivers/mfd/glamo/glamo-display.c
+index a551968..75ad734 100644
+--- a/drivers/mfd/glamo/glamo-display.c
++++ b/drivers/mfd/glamo/glamo-display.c
+@@ -298,6 +298,7 @@ static int glamo_crtc_mode_set(struct drm_crtc *crtc,
+ struct glamodrm_handle *gdrm;
+ struct glamo_crtc *gcrtc;
+ int retr_start, retr_end, disp_start, disp_end;
++ int rot;
+
+ /* Dig out our handle */
+ gcrtc = to_glamo_crtc(crtc);
+@@ -310,49 +311,135 @@ static int glamo_crtc_mode_set(struct drm_crtc *crtc,
+ msleep(500);
+ }
+
++ /* Rotate? */
++ if ( (mode->hdisplay == 640) && (mode->vdisplay == 480) ) {
++ rot = GLAMO_LCD_ROT_MODE_90;
++ } else if ( (mode->hdisplay == 480) && (mode->vdisplay == 640) ) {
++ rot = GLAMO_LCD_ROT_MODE_0;
++ } else if ( (mode->hdisplay == 320) && (mode->vdisplay == 240) ) {
++ rot = GLAMO_LCD_ROT_MODE_90;
++ } else if ( (mode->hdisplay == 240) && (mode->vdisplay == 320) ) {
++ rot = GLAMO_LCD_ROT_MODE_0;
++ } else {
++ printk(KERN_WARNING "[glamo-drm] Couldn't choose rotation.\n");
++ rot = GLAMO_LCD_ROT_MODE_0;
++ }
++
+ glamo_lcd_cmd_mode(gdrm, 1);
+
+- glamo_engine_reclock(gdrm->glamo_core, GLAMO_ENGINE_LCD, mode->clock);
+- gdrm->saved_clock = mode->clock;
++ /* Set dimensions */
++ if ( rot == GLAMO_LCD_ROT_MODE_0 ) {
++
++ glamo_engine_reclock(gdrm->glamo_core, GLAMO_ENGINE_LCD,
++ mode->clock);
++
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_WIDTH,
++ GLAMO_LCD_WIDTH_MASK, mode->hdisplay);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HEIGHT,
++ GLAMO_LCD_HEIGHT_MASK, mode->vdisplay);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_PITCH,
++ GLAMO_LCD_PITCH_MASK, mode->hdisplay*2);
++
++ /* Set rotation */
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_WIDTH,
++ GLAMO_LCD_ROT_MODE_MASK, rot);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_MODE1,
++ GLAMO_LCD_MODE1_ROTATE_EN,
++ (rot != GLAMO_LCD_ROT_MODE_0) ?
++ GLAMO_LCD_MODE1_ROTATE_EN : 0);
++
++ /* Convert "X modeline timings" into "Glamo timings" */
++ retr_start = 0;
++ retr_end = retr_start + mode->hsync_end - mode->hsync_start;
++ disp_start = mode->htotal - mode->hsync_start;
++ disp_end = disp_start + mode->hdisplay;
++
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_TOTAL,
++ GLAMO_LCD_HV_TOTAL_MASK, mode->htotal);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_RETR_START,
++ GLAMO_LCD_HV_RETR_START_MASK, retr_start);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_RETR_END,
++ GLAMO_LCD_HV_RETR_END_MASK, retr_end);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_DISP_START,
++ GLAMO_LCD_HV_RETR_DISP_START_MASK, disp_start);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_DISP_END,
++ GLAMO_LCD_HV_RETR_DISP_END_MASK, disp_end);
++
++ /* The same in the vertical direction */
++ retr_start = 0;
++ retr_end = retr_start + mode->vsync_end - mode->vsync_start;
++ disp_start = mode->vtotal - mode->vsync_start;
++ disp_end = disp_start + mode->vdisplay;
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_TOTAL,
++ GLAMO_LCD_HV_TOTAL_MASK, mode->vtotal);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_RETR_START,
++ GLAMO_LCD_HV_RETR_START_MASK, retr_start);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_RETR_END,
++ GLAMO_LCD_HV_RETR_END_MASK, retr_end);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_DISP_START,
++ GLAMO_LCD_HV_RETR_DISP_START_MASK,
++ disp_start);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_DISP_END,
++ GLAMO_LCD_HV_RETR_DISP_END_MASK, disp_end);
++
++ } else {
++
++ glamo_engine_reclock(gdrm->glamo_core, GLAMO_ENGINE_LCD,
++ mode->clock/2);
++
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_WIDTH,
++ GLAMO_LCD_WIDTH_MASK, mode->vdisplay);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HEIGHT,
++ GLAMO_LCD_HEIGHT_MASK, mode->hdisplay);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_PITCH,
++ GLAMO_LCD_PITCH_MASK, mode->hdisplay*2);
++
++ /* Set rotation */
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_WIDTH,
++ GLAMO_LCD_ROT_MODE_MASK, rot);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_MODE1,
++ GLAMO_LCD_MODE1_ROTATE_EN,
++ (rot != GLAMO_LCD_ROT_MODE_0) ?
++ GLAMO_LCD_MODE1_ROTATE_EN : 0);
++
++ /* Apply "vertical" numbers to the horizontal registers */
++ retr_start = 0;
++ retr_end = retr_start + mode->vsync_end - mode->vsync_start;
++ disp_start = mode->vtotal - mode->vsync_start;
++ disp_end = disp_start + mode->vdisplay;
++
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_TOTAL,
++ GLAMO_LCD_HV_TOTAL_MASK, mode->vtotal);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_RETR_START,
++ GLAMO_LCD_HV_RETR_START_MASK, retr_start);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_RETR_END,
++ GLAMO_LCD_HV_RETR_END_MASK, retr_end);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_DISP_START,
++ GLAMO_LCD_HV_RETR_DISP_START_MASK,
++ disp_start);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_DISP_END,
++ GLAMO_LCD_HV_RETR_DISP_END_MASK, disp_end);
++
++ /* Apply "horizontal" numbers to the vertical registers */
++ retr_start = 0;
++ retr_end = retr_start + mode->hsync_end - mode->hsync_start;
++ disp_start = mode->htotal - mode->hsync_start;
++ disp_end = disp_start + mode->hdisplay;
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_TOTAL,
++ GLAMO_LCD_HV_TOTAL_MASK, mode->htotal);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_RETR_START,
++ GLAMO_LCD_HV_RETR_START_MASK, retr_start);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_RETR_END,
++ GLAMO_LCD_HV_RETR_END_MASK, retr_end);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_DISP_START,
++ GLAMO_LCD_HV_RETR_DISP_START_MASK,
++ disp_start);
++ reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_DISP_END,
++ GLAMO_LCD_HV_RETR_DISP_END_MASK, disp_end);
+
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_WIDTH,
+- GLAMO_LCD_WIDTH_MASK, mode->hdisplay);
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HEIGHT,
+- GLAMO_LCD_HEIGHT_MASK, mode->vdisplay);
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_PITCH,
+- GLAMO_LCD_PITCH_MASK, mode->hdisplay*2);
+-
+- /* Convert "X modeline timings" into "Glamo timings" */
+- retr_start = 0;
+- retr_end = retr_start + mode->hsync_end - mode->hsync_start;
+- disp_start = mode->htotal - mode->hsync_start;
+- disp_end = disp_start + mode->hdisplay;
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_TOTAL,
+- GLAMO_LCD_HV_TOTAL_MASK, mode->htotal);
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_RETR_START,
+- GLAMO_LCD_HV_RETR_START_MASK, retr_start);
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_RETR_END,
+- GLAMO_LCD_HV_RETR_END_MASK, retr_end);
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_DISP_START,
+- GLAMO_LCD_HV_RETR_DISP_START_MASK, disp_start);
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_HORIZ_DISP_END,
+- GLAMO_LCD_HV_RETR_DISP_END_MASK, disp_end);
+-
+- /* The same in the vertical direction */
+- retr_start = 0;
+- retr_end = retr_start + mode->vsync_end - mode->vsync_start;
+- disp_start = mode->vtotal - mode->vsync_start;
+- disp_end = disp_start + mode->vdisplay;
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_TOTAL,
+- GLAMO_LCD_HV_TOTAL_MASK, mode->vtotal);
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_RETR_START,
+- GLAMO_LCD_HV_RETR_START_MASK, retr_start);
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_RETR_END,
+- GLAMO_LCD_HV_RETR_END_MASK, retr_end);
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_DISP_START,
+- GLAMO_LCD_HV_RETR_DISP_START_MASK, disp_start);
+- reg_set_bit_mask_lcd(gdrm, GLAMO_REG_LCD_VERT_DISP_END,
+- GLAMO_LCD_HV_RETR_DISP_END_MASK, disp_end);
++ }
++
++ gdrm->saved_clock = mode->clock;
+
+ glamo_lcd_cmd_mode(gdrm, 0);
+
+@@ -747,8 +834,8 @@ int glamo_display_init(struct drm_device *dev)
+ drm_mode_config_init(dev);
+
+ dev->mode_config.min_width = 240;
+- dev->mode_config.min_height = 320;
+- dev->mode_config.max_width = 480;
++ dev->mode_config.min_height = 240;
++ dev->mode_config.max_width = 640;
+ dev->mode_config.max_height = 640;
+
+ dev->mode_config.funcs = (void *)&glamo_mode_funcs;
+--
+1.7.1
+
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