[people/ms/u-boot.git] / drivers / video / omap3_dss.c

/*
 * (C) Copyright 2010
 * Texas Instruments, <www.ti.com>
 * Syed Mohammed Khasim <khasim@ti.com>
 *
 * Referred to Linux Kernel DSS driver files for OMAP3 by
 * Tomi Valkeinen from drivers/video/omap2/dss/
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * 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's version 2 and any
 * later version the License.
 *
 * 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., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <asm/io.h>
#include <asm/arch/dss.h>
#include <video_fb.h>

/* Configure VENC for a given Mode (NTSC / PAL) */
void omap3_dss_venc_config(const struct venc_regs *venc_cfg,
				u32 height, u32 width)
{
	struct venc_regs *venc = (struct venc_regs *) OMAP3_VENC_BASE;
	struct dss_regs *dss = (struct dss_regs *) OMAP3_DSS_BASE;
	struct dispc_regs *dispc = (struct dispc_regs *) OMAP3_DISPC_BASE;

	writel(venc_cfg->status, &venc->status);
	writel(venc_cfg->f_control, &venc->f_control);
	writel(venc_cfg->vidout_ctrl, &venc->vidout_ctrl);
	writel(venc_cfg->sync_ctrl, &venc->sync_ctrl);
	writel(venc_cfg->llen, &venc->llen);
	writel(venc_cfg->flens, &venc->flens);
	writel(venc_cfg->hfltr_ctrl, &venc->hfltr_ctrl);
	writel(venc_cfg->cc_carr_wss_carr, &venc->cc_carr_wss_carr);
	writel(venc_cfg->c_phase, &venc->c_phase);
	writel(venc_cfg->gain_u, &venc->gain_u);
	writel(venc_cfg->gain_v, &venc->gain_v);
	writel(venc_cfg->gain_y, &venc->gain_y);
	writel(venc_cfg->black_level, &venc->black_level);
	writel(venc_cfg->blank_level, &venc->blank_level);
	writel(venc_cfg->x_color, &venc->x_color);
	writel(venc_cfg->m_control, &venc->m_control);
	writel(venc_cfg->bstamp_wss_data, &venc->bstamp_wss_data);
	writel(venc_cfg->s_carr, &venc->s_carr);
	writel(venc_cfg->line21, &venc->line21);
	writel(venc_cfg->ln_sel, &venc->ln_sel);
	writel(venc_cfg->l21__wc_ctl, &venc->l21__wc_ctl);
	writel(venc_cfg->htrigger_vtrigger, &venc->htrigger_vtrigger);
	writel(venc_cfg->savid__eavid, &venc->savid__eavid);
	writel(venc_cfg->flen__fal, &venc->flen__fal);
	writel(venc_cfg->lal__phase_reset, &venc->lal__phase_reset);
	writel(venc_cfg->hs_int_start_stop_x, &venc->hs_int_start_stop_x);
	writel(venc_cfg->hs_ext_start_stop_x, &venc->hs_ext_start_stop_x);
	writel(venc_cfg->vs_int_start_x, &venc->vs_int_start_x);
	writel(venc_cfg->vs_int_stop_x__vs_int_start_y,
			&venc->vs_int_stop_x__vs_int_start_y);
	writel(venc_cfg->vs_int_stop_y__vs_ext_start_x,
			&venc->vs_int_stop_y__vs_ext_start_x);
	writel(venc_cfg->vs_ext_stop_x__vs_ext_start_y,
			&venc->vs_ext_stop_x__vs_ext_start_y);
	writel(venc_cfg->vs_ext_stop_y, &venc->vs_ext_stop_y);
	writel(venc_cfg->avid_start_stop_x, &venc->avid_start_stop_x);
	writel(venc_cfg->avid_start_stop_y, &venc->avid_start_stop_y);
	writel(venc_cfg->fid_int_start_x__fid_int_start_y,
				&venc->fid_int_start_x__fid_int_start_y);
	writel(venc_cfg->fid_int_offset_y__fid_ext_start_x,
				&venc->fid_int_offset_y__fid_ext_start_x);
	writel(venc_cfg->fid_ext_start_y__fid_ext_offset_y,
				&venc->fid_ext_start_y__fid_ext_offset_y);
	writel(venc_cfg->tvdetgp_int_start_stop_x,
				&venc->tvdetgp_int_start_stop_x);
	writel(venc_cfg->tvdetgp_int_start_stop_y,
				&venc->tvdetgp_int_start_stop_y);
	writel(venc_cfg->gen_ctrl, &venc->gen_ctrl);
	writel(venc_cfg->output_control, &venc->output_control);
	writel(venc_cfg->dac_b__dac_c, &venc->dac_b__dac_c);

	/* Configure DSS for VENC Settings */
	writel(VENC_CLK_ENABLE | DAC_DEMEN | DAC_POWERDN | VENC_OUT_SEL,
			&dss->control);

	/* Configure height and width for Digital out */
	writel(height << DIG_LPP_SHIFT | width, &dispc->size_dig);
}

/* Configure Panel Specific Parameters */
void omap3_dss_panel_config(const struct panel_config *panel_cfg)
{
	struct dispc_regs *dispc = (struct dispc_regs *) OMAP3_DISPC_BASE;
	struct dss_regs *dss = (struct dss_regs *) OMAP3_DSS_BASE;

	writel(DSS_SOFTRESET, &dss->sysconfig);
	while (!(readl(&dss->sysstatus) & DSS_RESETDONE))
		;

	writel(panel_cfg->timing_h, &dispc->timing_h);
	writel(panel_cfg->timing_v, &dispc->timing_v);
	writel(panel_cfg->pol_freq, &dispc->pol_freq);
	writel(panel_cfg->divisor, &dispc->divisor);
	writel(panel_cfg->lcd_size, &dispc->size_lcd);
	writel(panel_cfg->load_mode << LOADMODE_SHIFT, &dispc->config);
	writel(panel_cfg->panel_type << TFTSTN_SHIFT |
		panel_cfg->data_lines << DATALINES_SHIFT, &dispc->control);
	writel(panel_cfg->panel_color, &dispc->default_color0);
	writel((u32) panel_cfg->frame_buffer, &dispc->gfx_ba0);

	if (!panel_cfg->frame_buffer)
		return;

	writel(panel_cfg->gfx_format | GFX_ENABLE, &dispc->gfx_attributes);
	writel(1, &dispc->gfx_row_inc);
	writel(1, &dispc->gfx_pixel_inc);
	writel(panel_cfg->lcd_size, &dispc->gfx_size);
}

/* Enable LCD and DIGITAL OUT in DSS */
void omap3_dss_enable(void)
{
	struct dispc_regs *dispc = (struct dispc_regs *) OMAP3_DISPC_BASE;
	u32 l;

	l = readl(&dispc->control);
	l |= LCD_ENABLE | GO_LCD | DIG_ENABLE | GO_DIG | GP_OUT0 | GP_OUT1;
	writel(l, &dispc->control);
}

#ifdef CONFIG_CFB_CONSOLE
int __board_video_init(void)
{
	return -1;
}

int board_video_init(void)
			__attribute__((weak, alias("__board_video_init")));

void *video_hw_init(void)
{
	static GraphicDevice dssfb;
	GraphicDevice *pGD = &dssfb;
	struct dispc_regs *dispc = (struct dispc_regs *) OMAP3_DISPC_BASE;

	if (board_video_init() || !readl(&dispc->gfx_ba0))
		return NULL;

	pGD->winSizeX = (readl(&dispc->size_lcd) & 0x7FF) + 1;
	pGD->winSizeY = ((readl(&dispc->size_lcd) >> 16) & 0x7FF) + 1;
	pGD->gdfBytesPP = 4;
	pGD->gdfIndex = GDF_32BIT_X888RGB;
	pGD->frameAdrs = readl(&dispc->gfx_ba0);

	return pGD;
}
#endif
Commit	Line	Data
de701d11 SMK	1	/*
	2	* (C) Copyright 2010
	3	* Texas Instruments, <www.ti.com>
	4	* Syed Mohammed Khasim <khasim@ti.com>
	5	*
	6	* Referred to Linux Kernel DSS driver files for OMAP3 by
	7	* Tomi Valkeinen from drivers/video/omap2/dss/
	8	*
	9	* See file CREDITS for list of people who contributed to this
	10	* project.
	11	*
	12	* This program is free software; you can redistribute it and/or
	13	* modify it under the terms of the GNU General Public License as
	14	* published by the Free Software Foundation's version 2 and any
	15	* later version the License.
	16	*
	17	* This program is distributed in the hope that it will be useful,
	18	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	20	* GNU General Public License for more details.
	21	*
	22	* You should have received a copy of the GNU General Public License
	23	* along with this program; if not, write to the Free Software
	24	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	25	* MA 02111-1307 USA
	26	*/
	27
	28	#include <common.h>
	29	#include <asm/io.h>
	30	#include <asm/arch/dss.h>
d9c13aac	31	#include <video_fb.h>
de701d11	32
8da2efb6	33	/* Configure VENC for a given Mode (NTSC / PAL) */
de701d11 SMK	34	void omap3_dss_venc_config(const struct venc_regs *venc_cfg,
	35	u32 height, u32 width)
	36	{
	37	struct venc_regs venc = (struct venc_regs ) OMAP3_VENC_BASE;
	38	struct dss_regs dss = (struct dss_regs ) OMAP3_DSS_BASE;
	39	struct dispc_regs dispc = (struct dispc_regs ) OMAP3_DISPC_BASE;
	40
	41	writel(venc_cfg->status, &venc->status);
	42	writel(venc_cfg->f_control, &venc->f_control);
	43	writel(venc_cfg->vidout_ctrl, &venc->vidout_ctrl);
	44	writel(venc_cfg->sync_ctrl, &venc->sync_ctrl);
	45	writel(venc_cfg->llen, &venc->llen);
	46	writel(venc_cfg->flens, &venc->flens);
	47	writel(venc_cfg->hfltr_ctrl, &venc->hfltr_ctrl);
	48	writel(venc_cfg->cc_carr_wss_carr, &venc->cc_carr_wss_carr);
	49	writel(venc_cfg->c_phase, &venc->c_phase);
	50	writel(venc_cfg->gain_u, &venc->gain_u);
	51	writel(venc_cfg->gain_v, &venc->gain_v);
	52	writel(venc_cfg->gain_y, &venc->gain_y);
	53	writel(venc_cfg->black_level, &venc->black_level);
	54	writel(venc_cfg->blank_level, &venc->blank_level);
	55	writel(venc_cfg->x_color, &venc->x_color);
	56	writel(venc_cfg->m_control, &venc->m_control);
	57	writel(venc_cfg->bstamp_wss_data, &venc->bstamp_wss_data);
	58	writel(venc_cfg->s_carr, &venc->s_carr);
	59	writel(venc_cfg->line21, &venc->line21);
	60	writel(venc_cfg->ln_sel, &venc->ln_sel);
	61	writel(venc_cfg->l21__wc_ctl, &venc->l21__wc_ctl);
	62	writel(venc_cfg->htrigger_vtrigger, &venc->htrigger_vtrigger);
	63	writel(venc_cfg->savid__eavid, &venc->savid__eavid);
	64	writel(venc_cfg->flen__fal, &venc->flen__fal);
	65	writel(venc_cfg->lal__phase_reset, &venc->lal__phase_reset);
8da2efb6 JH	66	writel(venc_cfg->hs_int_start_stop_x, &venc->hs_int_start_stop_x);
8da2efb6 JH	67	writel(venc_cfg->hs_ext_start_stop_x, &venc->hs_ext_start_stop_x);
de701d11 SMK	68	writel(venc_cfg->vs_int_start_x, &venc->vs_int_start_x);
	69	writel(venc_cfg->vs_int_stop_x__vs_int_start_y,
	70	&venc->vs_int_stop_x__vs_int_start_y);
	71	writel(venc_cfg->vs_int_stop_y__vs_ext_start_x,
	72	&venc->vs_int_stop_y__vs_ext_start_x);
	73	writel(venc_cfg->vs_ext_stop_x__vs_ext_start_y,
	74	&venc->vs_ext_stop_x__vs_ext_start_y);
	75	writel(venc_cfg->vs_ext_stop_y, &venc->vs_ext_stop_y);
	76	writel(venc_cfg->avid_start_stop_x, &venc->avid_start_stop_x);
	77	writel(venc_cfg->avid_start_stop_y, &venc->avid_start_stop_y);
	78	writel(venc_cfg->fid_int_start_x__fid_int_start_y,
	79	&venc->fid_int_start_x__fid_int_start_y);
	80	writel(venc_cfg->fid_int_offset_y__fid_ext_start_x,
	81	&venc->fid_int_offset_y__fid_ext_start_x);
	82	writel(venc_cfg->fid_ext_start_y__fid_ext_offset_y,
	83	&venc->fid_ext_start_y__fid_ext_offset_y);
	84	writel(venc_cfg->tvdetgp_int_start_stop_x,
	85	&venc->tvdetgp_int_start_stop_x);
	86	writel(venc_cfg->tvdetgp_int_start_stop_y,
	87	&venc->tvdetgp_int_start_stop_y);
	88	writel(venc_cfg->gen_ctrl, &venc->gen_ctrl);
	89	writel(venc_cfg->output_control, &venc->output_control);
	90	writel(venc_cfg->dac_b__dac_c, &venc->dac_b__dac_c);
	91
	92	/* Configure DSS for VENC Settings */
8da2efb6 JH	93	writel(VENC_CLK_ENABLE \| DAC_DEMEN \| DAC_POWERDN \| VENC_OUT_SEL,
8da2efb6 JH	94	&dss->control);
de701d11 SMK	95
de701d11 SMK	96	/* Configure height and width for Digital out */
8da2efb6	97	writel(height << DIG_LPP_SHIFT \| width, &dispc->size_dig);
de701d11 SMK	98	}
de701d11 SMK	99
8da2efb6	100	/* Configure Panel Specific Parameters */
de701d11 SMK	101	void omap3_dss_panel_config(const struct panel_config *panel_cfg)
	102	{
	103	struct dispc_regs dispc = (struct dispc_regs ) OMAP3_DISPC_BASE;
d9c13aac JH	104	struct dss_regs dss = (struct dss_regs ) OMAP3_DSS_BASE;
	105
	106	writel(DSS_SOFTRESET, &dss->sysconfig);
	107	while (!(readl(&dss->sysstatus) & DSS_RESETDONE))
	108	;
de701d11 SMK	109
	110	writel(panel_cfg->timing_h, &dispc->timing_h);
	111	writel(panel_cfg->timing_v, &dispc->timing_v);
	112	writel(panel_cfg->pol_freq, &dispc->pol_freq);
	113	writel(panel_cfg->divisor, &dispc->divisor);
	114	writel(panel_cfg->lcd_size, &dispc->size_lcd);
baee7800	115	writel(panel_cfg->load_mode << LOADMODE_SHIFT, &dispc->config);
8da2efb6 JH	116	writel(panel_cfg->panel_type << TFTSTN_SHIFT \|
8da2efb6 JH	117	panel_cfg->data_lines << DATALINES_SHIFT, &dispc->control);
de701d11	118	writel(panel_cfg->panel_color, &dispc->default_color0);
d9c13aac JH	119	writel((u32) panel_cfg->frame_buffer, &dispc->gfx_ba0);
	120
	121	if (!panel_cfg->frame_buffer)
	122	return;
	123
bcc6cc9b	124	writel(panel_cfg->gfx_format \| GFX_ENABLE, &dispc->gfx_attributes);
d9c13aac JH	125	writel(1, &dispc->gfx_row_inc);
	126	writel(1, &dispc->gfx_pixel_inc);
	127	writel(panel_cfg->lcd_size, &dispc->gfx_size);
de701d11 SMK	128	}
de701d11 SMK	129
8da2efb6	130	/* Enable LCD and DIGITAL OUT in DSS */
de701d11 SMK	131	void omap3_dss_enable(void)
	132	{
	133	struct dispc_regs dispc = (struct dispc_regs ) OMAP3_DISPC_BASE;
8da2efb6	134	u32 l;
de701d11 SMK	135
de701d11 SMK	136	l = readl(&dispc->control);
8da2efb6	137	l \|= LCD_ENABLE \| GO_LCD \| DIG_ENABLE \| GO_DIG \| GP_OUT0 \| GP_OUT1;
de701d11 SMK	138	writel(l, &dispc->control);
de701d11 SMK	139	}
d9c13aac JH	140
	141	#ifdef CONFIG_CFB_CONSOLE
	142	int __board_video_init(void)
	143	{
	144	return -1;
	145	}
	146
	147	int board_video_init(void)
	148	__attribute__((weak, alias("__board_video_init")));
	149
	150	void *video_hw_init(void)
	151	{
	152	static GraphicDevice dssfb;
	153	GraphicDevice *pGD = &dssfb;
	154	struct dispc_regs dispc = (struct dispc_regs ) OMAP3_DISPC_BASE;
	155
	156	if (board_video_init() \|\| !readl(&dispc->gfx_ba0))
	157	return NULL;
	158
	159	pGD->winSizeX = (readl(&dispc->size_lcd) & 0x7FF) + 1;
	160	pGD->winSizeY = ((readl(&dispc->size_lcd) >> 16) & 0x7FF) + 1;
	161	pGD->gdfBytesPP = 4;
	162	pGD->gdfIndex = GDF_32BIT_X888RGB;
	163	pGD->frameAdrs = readl(&dispc->gfx_ba0);
	164
	165	return pGD;
	166	}
	167	#endif