static void rk3026_output_lvds(rk_screen *screen)
{
u32 val =0;
#if defined(CONFIG_LCDC0_RK3188)
val |= LVDS_DATA_SEL(0);
#else
val |= LVDS_DATA_SEL(1);
#endif
if(screen->lvds_format == 0 || screen->lvds_format == 1)
val |= LVDS_CBS_COL_SEL(2); //24bit lvds
else
val |= LVDS_CBS_COL_SEL(1); //16bit lvds
val |= ((LVDS_OUTPUT_FORMAT(screen->lvds_format))|LVDS_INPUT_FORMAT(1)|LVDS_OUTPUT_LOAD_SEL(0)|
LVDS_CBG_PWD_EN(1)|LVDS_PLL_PWD_EN(0)|LVDS_OUTPUT_EN(0)|LVDS_SWING_SEL(0));
val |= ((m_DATA_SEL|m_CBS_COL_SEL|m_OUTPUT_FORMAT|m_INPUT_FORMAT|m_OUTPUT_LOAD_SEL|
m_CBG_PWD_EN|m_PLL_PWD_EN|m_OUTPUT_EN|m_SWING_SEL)<<16);
lvds_writel(val,CRU_LVDS_CON0);
return;
}
static void rk3026_output_disable(void)
{
u32 val =0;
val |= (LVDS_CBG_PWD_EN(1)|LVDS_PLL_PWD_EN(0)|LVDS_OUTPUT_EN(0)|LVDS_CBS_COL_SEL(0));
val |= ((m_CBG_PWD_EN|m_PLL_PWD_EN|m_OUTPUT_EN|m_CBS_COL_SEL)<<16);
lvds_writel(val,CRU_LVDS_CON0);
}
static void rk3026_output_lvttl(rk_screen *screen)
{
u32 val =0;
val |= (LVDS_CBG_PWD_EN(0)|LVDS_PLL_PWD_EN(1)|LVDS_OUTPUT_EN(1));
val |= ((m_CBG_PWD_EN|m_PLL_PWD_EN|m_OUTPUT_EN)<<16);
lvds_writel(val,CRU_LVDS_CON0);
return;
}
int rk_lvds_enable(struct udevice *dev, int panel_bpp,
const struct display_timing *edid)
{
struct rk_lvds_priv *priv = dev_get_priv(dev);
struct display_plat *uc_plat = dev_get_uclass_platdata(dev);
int ret = 0;
unsigned int val = 0;
ret = panel_enable_backlight(priv->panel);
if (ret) {
debug("%s: backlight error: %d\n", __func__, ret);
return ret;
}
/* Select the video source */
if (uc_plat->source_id)
val = RK3288_LVDS_SOC_CON6_SEL_VOP_LIT |
(RK3288_LVDS_SOC_CON6_SEL_VOP_LIT << 16);
else
val = RK3288_LVDS_SOC_CON6_SEL_VOP_LIT << 16;
rk_setreg(&priv->grf->soc_con6, val);
/* Select data transfer format */
val = priv->format;
if (priv->output == LVDS_OUTPUT_DUAL)
val |= LVDS_DUAL | LVDS_CH0_EN | LVDS_CH1_EN;
else if (priv->output == LVDS_OUTPUT_SINGLE)
val |= LVDS_CH0_EN;
else if (priv->output == LVDS_OUTPUT_RGB)
val |= LVDS_TTL_EN | LVDS_CH0_EN | LVDS_CH1_EN;
val |= (0xffff << 16);
rk_setreg(&priv->grf->soc_con7, val);
/* Enable LVDS PHY */
if (priv->output == LVDS_OUTPUT_RGB) {
lvds_writel(priv, RK3288_LVDS_CH0_REG0,
RK3288_LVDS_CH0_REG0_TTL_EN |
RK3288_LVDS_CH0_REG0_LANECK_EN |
RK3288_LVDS_CH0_REG0_LANE4_EN |
RK3288_LVDS_CH0_REG0_LANE3_EN |
RK3288_LVDS_CH0_REG0_LANE2_EN |
RK3288_LVDS_CH0_REG0_LANE1_EN |
RK3288_LVDS_CH0_REG0_LANE0_EN);
lvds_writel(priv, RK3288_LVDS_CH0_REG2,
RK3288_LVDS_PLL_FBDIV_REG2(0x46));
lvds_writel(priv, RK3288_LVDS_CH0_REG3,
RK3288_LVDS_PLL_FBDIV_REG3(0x46));
lvds_writel(priv, RK3288_LVDS_CH0_REG4,
RK3288_LVDS_CH0_REG4_LANECK_TTL_MODE |
RK3288_LVDS_CH0_REG4_LANE4_TTL_MODE |
RK3288_LVDS_CH0_REG4_LANE3_TTL_MODE |
RK3288_LVDS_CH0_REG4_LANE2_TTL_MODE |
RK3288_LVDS_CH0_REG4_LANE1_TTL_MODE |
RK3288_LVDS_CH0_REG4_LANE0_TTL_MODE);
lvds_writel(priv, RK3288_LVDS_CH0_REG5,
RK3288_LVDS_CH0_REG5_LANECK_TTL_DATA |
RK3288_LVDS_CH0_REG5_LANE4_TTL_DATA |
RK3288_LVDS_CH0_REG5_LANE3_TTL_DATA |
RK3288_LVDS_CH0_REG5_LANE2_TTL_DATA |
RK3288_LVDS_CH0_REG5_LANE1_TTL_DATA |
RK3288_LVDS_CH0_REG5_LANE0_TTL_DATA);
lvds_writel(priv, RK3288_LVDS_CH0_REGD,
RK3288_LVDS_PLL_PREDIV_REGD(0x0a));
lvds_writel(priv, RK3288_LVDS_CH0_REG20,
RK3288_LVDS_CH0_REG20_LSB);
} else {
lvds_writel(priv, RK3288_LVDS_CH0_REG0,
RK3288_LVDS_CH0_REG0_LVDS_EN |
RK3288_LVDS_CH0_REG0_LANECK_EN |
RK3288_LVDS_CH0_REG0_LANE4_EN |
RK3288_LVDS_CH0_REG0_LANE3_EN |
RK3288_LVDS_CH0_REG0_LANE2_EN |
RK3288_LVDS_CH0_REG0_LANE1_EN |
RK3288_LVDS_CH0_REG0_LANE0_EN);
lvds_writel(priv, RK3288_LVDS_CH0_REG1,
RK3288_LVDS_CH0_REG1_LANECK_BIAS |
RK3288_LVDS_CH0_REG1_LANE4_BIAS |
RK3288_LVDS_CH0_REG1_LANE3_BIAS |
RK3288_LVDS_CH0_REG1_LANE2_BIAS |
RK3288_LVDS_CH0_REG1_LANE1_BIAS |
RK3288_LVDS_CH0_REG1_LANE0_BIAS);
lvds_writel(priv, RK3288_LVDS_CH0_REG2,
RK3288_LVDS_CH0_REG2_RESERVE_ON |
RK3288_LVDS_CH0_REG2_LANECK_LVDS_MODE |
RK3288_LVDS_CH0_REG2_LANE4_LVDS_MODE |
RK3288_LVDS_CH0_REG2_LANE3_LVDS_MODE |
RK3288_LVDS_CH0_REG2_LANE2_LVDS_MODE |
RK3288_LVDS_CH0_REG2_LANE1_LVDS_MODE |
RK3288_LVDS_CH0_REG2_LANE0_LVDS_MODE |
RK3288_LVDS_PLL_FBDIV_REG2(0x46));
lvds_writel(priv, RK3288_LVDS_CH0_REG3,
RK3288_LVDS_PLL_FBDIV_REG3(0x46));
lvds_writel(priv, RK3288_LVDS_CH0_REG4, 0x00);
lvds_writel(priv, RK3288_LVDS_CH0_REG5, 0x00);
lvds_writel(priv, RK3288_LVDS_CH0_REGD,
RK3288_LVDS_PLL_PREDIV_REGD(0x0a));
lvds_writel(priv, RK3288_LVDS_CH0_REG20,
RK3288_LVDS_CH0_REG20_LSB);
}
/* Power on */
writel(RK3288_LVDS_CFG_REGC_PLL_ENABLE,
priv->regs + RK3288_LVDS_CFG_REGC);
writel(RK3288_LVDS_CFG_REG21_TX_ENABLE,
priv->regs + RK3288_LVDS_CFG_REG21);
return 0;
}
static int rk32_lvds_en(vidinfo_t *vid)
{
u32 h_bp = vid->vl_hspw + vid->vl_hbpd;
u32 val ;
if (vid->lcdc_id == 1) /*lcdc1 = vop little,lcdc0 = vop big*/
val = LVDS_SEL_VOP_LIT | (LVDS_SEL_VOP_LIT << 16);
else
val = LVDS_SEL_VOP_LIT << 16;
grf_writel(val, GRF_SOC_CON6);
val = vid->lvds_format;
if (vid->screen_type == SCREEN_DUAL_LVDS)
val |= LVDS_DUAL | LVDS_CH0_EN | LVDS_CH1_EN;
else if(vid->screen_type == SCREEN_LVDS)
val |= LVDS_CH0_EN;
else if (vid->screen_type == SCREEN_RGB)
val = LVDS_TTL_EN | LVDS_CH0_EN | LVDS_CH1_EN;
if (h_bp & 0x01)
val |= LVDS_START_PHASE_RST_1;
val |= (vid->vl_clkp << 8) | (vid->vl_hsp << 9) |
(vid->vl_oep << 10);
val |= 0xffff << 16;
grf_writel(val, GRF_SOC_CON7);
grf_writel(0x0f000f00, GRF_GPIO1H_SR);
grf_writel(0x00ff00ff, GRF_GPIO1D_E);
if(vid->screen_type == SCREEN_RGB) {
grf_writel(0x00550055, GRF_GPIO1D_IOMUX);
lvds_writel( LVDS_CH0_REG_0, 0x7f);
lvds_writel( LVDS_CH0_REG_1, 0x40);
lvds_writel( LVDS_CH0_REG_2, 0x00);
lvds_writel( LVDS_CH0_REG_4, 0x3f);
lvds_writel( LVDS_CH0_REG_5, 0x3f);
lvds_writel( LVDS_CH0_REG_3, 0x46);
lvds_writel( LVDS_CH0_REG_d, 0x0a);
lvds_writel( LVDS_CH0_REG_20,0x44);/* 44:LSB 45:MSB*/
writel(0x00, lvds_regs + LVDS_CFG_REG_c); /*eanble pll*/
writel(0x92, lvds_regs + LVDS_CFG_REG_21); /*enable tx*/
lvds_writel( 0x100, 0x7f);
lvds_writel( 0x104, 0x40);
lvds_writel( 0x108, 0x00);
lvds_writel( 0x10c, 0x46);
lvds_writel( 0x110, 0x3f);
lvds_writel( 0x114, 0x3f);
lvds_writel( 0x134, 0x0a);
} else {
lvds_writel( LVDS_CH0_REG_0, 0xbf);
lvds_writel( LVDS_CH0_REG_1, 0x3f);
lvds_writel( LVDS_CH0_REG_2, 0xfe);
lvds_writel( LVDS_CH0_REG_3, 0x46);
lvds_writel( LVDS_CH0_REG_4, 0x00);
lvds_writel( LVDS_CH0_REG_d, 0x0a);//0a
lvds_writel( LVDS_CH0_REG_20,0x44);/* 44:LSB 45:MSB*/
writel(0x00, lvds_regs + LVDS_CFG_REG_c); /*eanble pll*/
writel(0x92, lvds_regs + LVDS_CFG_REG_21); /*enable tx*/
}
return 0;
}
static int rk32_lvds_en(void)
{
struct rk32_lvds *lvds = rk32_lvds;
struct rk_screen *screen = &lvds->screen;
u32 h_bp = 0;
u32 val = 0;
rk_fb_get_prmry_screen(screen);
/* enable clk */
rk32_lvds_clk_enable(lvds);
/* select lcdc source */
if (screen->lcdc_id == 1) /*lcdc1 = vop little,lcdc0 = vop big*/
val = LVDS_SEL_VOP_LIT | (LVDS_SEL_VOP_LIT << 16);
else
val = LVDS_SEL_VOP_LIT << 16;
grf_writel(val, RK3288_GRF_SOC_CON6);
/* set lvds format */
val = screen->lvds_format;
if (screen->type == SCREEN_DUAL_LVDS)
val |= LVDS_DUAL | LVDS_CH0_EN | LVDS_CH1_EN;
else if(screen->type == SCREEN_LVDS)
val |= LVDS_CH0_EN;
else if (screen->type == SCREEN_RGB)
val |= LVDS_TTL_EN | LVDS_CH0_EN | LVDS_CH1_EN;
h_bp = screen->mode.hsync_len + screen->mode.left_margin;
if (h_bp & 0x01)
val |= LVDS_START_PHASE_RST_1;
val |= (screen->pin_dclk << 8) | (screen->pin_hsync << 9) |
(screen->pin_den << 10);
val |= (0xffff << 16);
grf_writel(val, RK3288_GRF_SOC_CON7);
if (screen->type == SCREEN_RGB) {
val = 0x007f007f;//0x1<<6 |0x1 <<4;
grf_writel(val, RK3288_GRF_GPIO1D_IOMUX);
lvds_writel(lvds, LVDS_CH0_REG_0, 0x7f);
lvds_writel(lvds, LVDS_CH0_REG_1, 0x40);
lvds_writel(lvds, LVDS_CH0_REG_2, 0x00);
lvds_writel(lvds, LVDS_CH0_REG_4, 0x3f);
lvds_writel(lvds, LVDS_CH0_REG_5, 0x3f);
lvds_writel(lvds, LVDS_CH0_REG_3, 0x46);
lvds_writel(lvds, LVDS_CH0_REG_d, 0x0a);
lvds_writel(lvds, LVDS_CH0_REG_20,0x44);/* 44:LSB 45:MSB*/
writel_relaxed(0x00, lvds->regs + LVDS_CFG_REG_c); /*eanble pll*/
writel_relaxed(0x92, lvds->regs + LVDS_CFG_REG_21); /*enable tx*/
lvds_writel(lvds, 0x100, 0x7f);
lvds_writel(lvds, 0x104, 0x40);
lvds_writel(lvds, 0x108, 0x00);
lvds_writel(lvds, 0x10c, 0x46);
lvds_writel(lvds, 0x110, 0x3f);
lvds_writel(lvds, 0x114, 0x3f);
lvds_writel(lvds, 0x134, 0x0a);
} else {
lvds_writel(lvds, LVDS_CH0_REG_0, 0xbf);
lvds_writel(lvds, LVDS_CH0_REG_1, 0x3f);
lvds_writel(lvds, LVDS_CH0_REG_2, 0xfe);
lvds_writel(lvds, LVDS_CH0_REG_3, 0x46);
lvds_writel(lvds, LVDS_CH0_REG_4, 0x00);
lvds_writel(lvds, LVDS_CH0_REG_d, 0x0a);
lvds_writel(lvds, LVDS_CH0_REG_20,0x44);/* 44:LSB 45:MSB*/
writel_relaxed(0x00, lvds->regs + LVDS_CFG_REG_c); /*eanble pll*/
writel_relaxed(0x92, lvds->regs + LVDS_CFG_REG_21); /*enable tx*/
}
return 0;
}
