From 4e5527c9d1f373cb7dda6eec3af1d7b9659cdf85 Mon Sep 17 00:00:00 2001 From: Florian Tobias Schandinat Date: Sun, 12 Feb 2012 20:08:41 +0000 Subject: [PATCH] viafb: make SAMM to also work on LCD This patch enables LCD to handle SAMM without dual fb. Signed-off-by: Florian Tobias Schandinat --- 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 3ebf20c06eef..c2ecdb5a94da 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 e8725c5235c8..d35ced701396 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 5f3b4e394e82..02cfdc8d7edd 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 77ca7b862e68..8f3e4e06156c 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 -- 2.34.1