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Commit 4e5527c9 authored by Florian Tobias Schandinat's avatar Florian Tobias Schandinat
Browse files

viafb: make SAMM to also work on LCD 



This patch enables LCD to handle SAMM without dual fb.

Signed-off-by: default avatarFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
parent 532f9169

drivers/video/via/chip.h

+0 −2
Original line number Diff line number Diff line
@@ -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;

drivers/video/via/hw.c

+11 −16
Original line number Diff line number Diff line
@@ -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 {
@@ -1543,18 +1539,13 @@ 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;

	}

}

}



static void __devinit init_gfx_chip_info(int chip_type)

{
@@ -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);

		}

	}

drivers/video/via/lcd.c

+9 −9
Original line number Diff line number Diff line
@@ -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

drivers/video/via/lcd.h

+2 −1
Original line number Diff line number Diff line
@@ -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