diff options
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_tcon.c | 36 | ||||
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_tcon.h | 11 |
2 files changed, 46 insertions, 1 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index 2d55ca4218c2..df8bd30b67f0 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -114,6 +114,30 @@ static void sun4i_tcon_channel_set_status(struct sun4i_tcon *tcon, int channel, } } +static void sun4i_tcon_setup_lvds_phy(struct sun4i_tcon *tcon, + const struct drm_encoder *encoder) +{ + regmap_write(tcon->regs, SUN4I_TCON0_LVDS_ANA0_REG, + SUN4I_TCON0_LVDS_ANA0_CK_EN | + SUN4I_TCON0_LVDS_ANA0_REG_V | + SUN4I_TCON0_LVDS_ANA0_REG_C | + SUN4I_TCON0_LVDS_ANA0_EN_MB | + SUN4I_TCON0_LVDS_ANA0_PD | + SUN4I_TCON0_LVDS_ANA0_DCHS); + + udelay(2); /* delay at least 1200 ns */ + regmap_update_bits(tcon->regs, SUN4I_TCON0_LVDS_ANA1_REG, + SUN4I_TCON0_LVDS_ANA1_INIT, + SUN4I_TCON0_LVDS_ANA1_INIT); + udelay(1); /* delay at least 120 ns */ + regmap_update_bits(tcon->regs, SUN4I_TCON0_LVDS_ANA1_REG, + SUN4I_TCON0_LVDS_ANA1_UPDATE, + SUN4I_TCON0_LVDS_ANA1_UPDATE); + regmap_update_bits(tcon->regs, SUN4I_TCON0_LVDS_ANA0_REG, + SUN4I_TCON0_LVDS_ANA0_EN_MB, + SUN4I_TCON0_LVDS_ANA0_EN_MB); +} + static void sun6i_tcon_setup_lvds_phy(struct sun4i_tcon *tcon, const struct drm_encoder *encoder) { @@ -1454,6 +1478,16 @@ static const struct sun4i_tcon_quirks sun6i_a31s_quirks = { .dclk_min_div = 1, }; +static const struct sun4i_tcon_quirks sun7i_a20_tcon0_quirks = { + .supports_lvds = true, + .has_channel_0 = true, + .has_channel_1 = true, + .dclk_min_div = 4, + /* Same display pipeline structure as A10 */ + .set_mux = sun4i_a10_tcon_set_mux, + .setup_lvds_phy = sun4i_tcon_setup_lvds_phy, +}; + static const struct sun4i_tcon_quirks sun7i_a20_quirks = { .has_channel_0 = true, .has_channel_1 = true, @@ -1508,7 +1542,7 @@ const struct of_device_id sun4i_tcon_of_table[] = { { .compatible = "allwinner,sun6i-a31-tcon", .data = &sun6i_a31_quirks }, { .compatible = "allwinner,sun6i-a31s-tcon", .data = &sun6i_a31s_quirks }, { .compatible = "allwinner,sun7i-a20-tcon", .data = &sun7i_a20_quirks }, - { .compatible = "allwinner,sun7i-a20-tcon0", .data = &sun7i_a20_quirks }, + { .compatible = "allwinner,sun7i-a20-tcon0", .data = &sun7i_a20_tcon0_quirks }, { .compatible = "allwinner,sun7i-a20-tcon1", .data = &sun7i_a20_quirks }, { .compatible = "allwinner,sun8i-a23-tcon", .data = &sun8i_a33_quirks }, { .compatible = "allwinner,sun8i-a33-tcon", .data = &sun8i_a33_quirks }, diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.h b/drivers/gpu/drm/sun4i/sun4i_tcon.h index 2974e59ef9f2..cfbf4e6c1679 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.h +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.h @@ -193,6 +193,13 @@ #define SUN4I_TCON_MUX_CTRL_REG 0x200 #define SUN4I_TCON0_LVDS_ANA0_REG 0x220 +#define SUN4I_TCON0_LVDS_ANA0_DCHS BIT(16) +#define SUN4I_TCON0_LVDS_ANA0_PD (BIT(20) | BIT(21)) +#define SUN4I_TCON0_LVDS_ANA0_EN_MB BIT(22) +#define SUN4I_TCON0_LVDS_ANA0_REG_C (BIT(24) | BIT(25)) +#define SUN4I_TCON0_LVDS_ANA0_REG_V (BIT(26) | BIT(27)) +#define SUN4I_TCON0_LVDS_ANA0_CK_EN (BIT(29) | BIT(28)) + #define SUN6I_TCON0_LVDS_ANA0_EN_MB BIT(31) #define SUN6I_TCON0_LVDS_ANA0_EN_LDO BIT(30) #define SUN6I_TCON0_LVDS_ANA0_EN_DRVC BIT(24) @@ -201,6 +208,10 @@ #define SUN6I_TCON0_LVDS_ANA0_V(x) (((x) & 3) << 8) #define SUN6I_TCON0_LVDS_ANA0_PD(x) (((x) & 3) << 4) +#define SUN4I_TCON0_LVDS_ANA1_REG 0x224 +#define SUN4I_TCON0_LVDS_ANA1_INIT (0x1f << 26 | 0x1f << 10) +#define SUN4I_TCON0_LVDS_ANA1_UPDATE (0x1f << 16 | 0x1f << 00) + #define SUN4I_TCON1_FILL_CTL_REG 0x300 #define SUN4I_TCON1_FILL_BEG0_REG 0x304 #define SUN4I_TCON1_FILL_END0_REG 0x308 |