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Date: Tue, 14 Feb 2012 06:12:05 +0000
From: Florian Tobias Schandinat <FlorianSchandinat@....de>
To: linux-fbdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
Florian Tobias Schandinat <FlorianSchandinat@....de>
Subject: [PATCH 4/4] viafb: make SAMM to also work on LCD
This patch enables LCD to handle SAMM without dual fb.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@....de>
---
drivers/video/via/chip.h | 2 --
drivers/video/via/hw.c | 27 +++++++++++----------------
drivers/video/via/lcd.c | 18 +++++++++---------
drivers/video/via/lcd.h | 3 ++-
4 files changed, 22 insertions(+), 28 deletions(-)
diff --git a/drivers/video/via/chip.h b/drivers/video/via/chip.h
index 3ebf20c..c2ecdb5 100644
--- a/drivers/video/via/chip.h
+++ b/drivers/video/via/chip.h
@@ -146,8 +146,6 @@ struct tmds_setting_information {
struct lvds_setting_information {
int iga_path;
- int h_active;
- int v_active;
int bpp;
int lcd_panel_hres;
int lcd_panel_vres;
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index e8725c5..d35ced7 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -1530,11 +1530,7 @@ void viafb_update_device_setting(int hres, int vres, int bpp, int flag)
viaparinfo->tmds_setting_info->h_active = hres;
viaparinfo->tmds_setting_info->v_active = vres;
- viaparinfo->lvds_setting_info->h_active = hres;
- viaparinfo->lvds_setting_info->v_active = vres;
viaparinfo->lvds_setting_info->bpp = bpp;
- viaparinfo->lvds_setting_info2->h_active = hres;
- viaparinfo->lvds_setting_info2->v_active = vres;
viaparinfo->lvds_setting_info2->bpp = bpp;
} else {
@@ -1543,16 +1539,11 @@ void viafb_update_device_setting(int hres, int vres, int bpp, int flag)
viaparinfo->tmds_setting_info->v_active = vres;
}
- if (viaparinfo->lvds_setting_info->iga_path == IGA2) {
- viaparinfo->lvds_setting_info->h_active = hres;
- viaparinfo->lvds_setting_info->v_active = vres;
+ if (viaparinfo->lvds_setting_info->iga_path == IGA2)
viaparinfo->lvds_setting_info->bpp = bpp;
- }
- if (IGA2 == viaparinfo->lvds_setting_info2->iga_path) {
- viaparinfo->lvds_setting_info2->h_active = hres;
- viaparinfo->lvds_setting_info2->v_active = vres;
+
+ if (IGA2 == viaparinfo->lvds_setting_info2->iga_path)
viaparinfo->lvds_setting_info2->bpp = bpp;
- }
}
}
@@ -1933,7 +1924,8 @@ int viafb_setmode(int video_bpp, int video_bpp1)
if (viafb_SAMM_ON &&
(viaparinfo->lvds_setting_info->iga_path == IGA2)) {
viaparinfo->lvds_setting_info->bpp = video_bpp1;
- viafb_lcd_set_mode(viaparinfo->lvds_setting_info,
+ viafb_lcd_set_mode(&var2, cxres, cyres,
+ viaparinfo->lvds_setting_info,
&viaparinfo->chip_info->lvds_chip_info);
} else {
/* IGA1 doesn't have LCD scaling, so set it center. */
@@ -1942,7 +1934,8 @@ int viafb_setmode(int video_bpp, int video_bpp1)
LCD_CENTERING;
}
viaparinfo->lvds_setting_info->bpp = video_bpp;
- viafb_lcd_set_mode(viaparinfo->lvds_setting_info,
+ viafb_lcd_set_mode(&viafbinfo->var, 0, 0,
+ viaparinfo->lvds_setting_info,
&viaparinfo->chip_info->lvds_chip_info);
}
}
@@ -1950,7 +1943,8 @@ int viafb_setmode(int video_bpp, int video_bpp1)
if (viafb_SAMM_ON &&
(viaparinfo->lvds_setting_info2->iga_path == IGA2)) {
viaparinfo->lvds_setting_info2->bpp = video_bpp1;
- viafb_lcd_set_mode(viaparinfo->lvds_setting_info2,
+ viafb_lcd_set_mode(&var2, cxres, cyres,
+ viaparinfo->lvds_setting_info2,
&viaparinfo->chip_info->lvds_chip_info2);
} else {
/* IGA1 doesn't have LCD scaling, so set it center. */
@@ -1959,7 +1953,8 @@ int viafb_setmode(int video_bpp, int video_bpp1)
LCD_CENTERING;
}
viaparinfo->lvds_setting_info2->bpp = video_bpp;
- viafb_lcd_set_mode(viaparinfo->lvds_setting_info2,
+ viafb_lcd_set_mode(&viafbinfo->var, 0, 0,
+ viaparinfo->lvds_setting_info2,
&viaparinfo->chip_info->lvds_chip_info2);
}
}
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c
index 5f3b4e3..02cfdc8 100644
--- a/drivers/video/via/lcd.c
+++ b/drivers/video/via/lcd.c
@@ -55,8 +55,7 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
int panel_vres);
static void via_pitch_alignment_patch_lcd(
struct lvds_setting_information *plvds_setting_info,
- struct lvds_chip_information
- *plvds_chip_info);
+ struct lvds_chip_information *plvds_chip_info, int hres);
static void lcd_patch_skew_dvp0(struct lvds_setting_information
*plvds_setting_info,
struct lvds_chip_information *plvds_chip_info);
@@ -456,14 +455,13 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
static void via_pitch_alignment_patch_lcd(
struct lvds_setting_information *plvds_setting_info,
- struct lvds_chip_information
- *plvds_chip_info)
+ struct lvds_chip_information *plvds_chip_info, int hres)
{
unsigned char cr13, cr35, cr65, cr66, cr67;
unsigned long dwScreenPitch = 0;
unsigned long dwPitch;
- dwPitch = plvds_setting_info->h_active * (plvds_setting_info->bpp >> 3);
+ dwPitch = hres * (plvds_setting_info->bpp >> 3);
if (dwPitch & 0x1F) {
dwScreenPitch = ((dwPitch + 31) & ~31) >> 3;
if (plvds_setting_info->iga_path == IGA2) {
@@ -548,13 +546,14 @@ static void lcd_patch_skew(struct lvds_setting_information
}
/* LCD Set Mode */
-void viafb_lcd_set_mode(struct lvds_setting_information *plvds_setting_info,
+void viafb_lcd_set_mode(const struct fb_var_screeninfo *var, u16 cxres,
+ u16 cyres, struct lvds_setting_information *plvds_setting_info,
struct lvds_chip_information *plvds_chip_info)
{
int set_iga = plvds_setting_info->iga_path;
int mode_bpp = plvds_setting_info->bpp;
- int set_hres = plvds_setting_info->h_active;
- int set_vres = plvds_setting_info->v_active;
+ int set_hres = cxres ? cxres : var->xres;
+ int set_vres = cyres ? cyres : var->yres;
int panel_hres = plvds_setting_info->lcd_panel_hres;
int panel_vres = plvds_setting_info->lcd_panel_vres;
u32 clock;
@@ -613,7 +612,8 @@ void viafb_lcd_set_mode(struct lvds_setting_information *plvds_setting_info,
viafb_write_reg_mask(CR6A, VIACR, 0x01, BIT0);
/* Patch for non 32bit alignment mode */
- via_pitch_alignment_patch_lcd(plvds_setting_info, plvds_chip_info);
+ via_pitch_alignment_patch_lcd(plvds_setting_info, plvds_chip_info,
+ set_hres);
}
static void integrated_lvds_disable(struct lvds_setting_information
diff --git a/drivers/video/via/lcd.h b/drivers/video/via/lcd.h
index 77ca7b8..8f3e4e0 100644
--- a/drivers/video/via/lcd.h
+++ b/drivers/video/via/lcd.h
@@ -76,7 +76,8 @@ void __devinit viafb_init_lvds_output_interface(struct lvds_chip_information
*plvds_chip_info,
struct lvds_setting_information
*plvds_setting_info);
-void viafb_lcd_set_mode(struct lvds_setting_information *plvds_setting_info,
+void viafb_lcd_set_mode(const struct fb_var_screeninfo *var, u16 cxres,
+ u16 cyres, struct lvds_setting_information *plvds_setting_info,
struct lvds_chip_information *plvds_chip_info);
bool __devinit viafb_lvds_trasmitter_identify(void);
void viafb_init_lvds_output_interface(struct lvds_chip_information
--
1.7.9
--
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