From: Russell King Date: Wed, 14 Aug 2013 19:43:29 +0000 (+0200) Subject: drm/i2c: tda998x: prepare for video input configuration X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5e74c22cd1e0f9e49573fe580de47e198ee04975;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git drm/i2c: tda998x: prepare for video input configuration The video-input-port (VIP) is highly configurable. This prepares current driver to allow to configure VIP configuration, as some boards connect lcd controller and TDA998x "pin-swapped" and depend on VIP to swap the pins by register configuration. Signed-off-by: Russell King Tested-by: Darren Etheridge Tested-by: Sebastian Hesselbarth Tested-by: Russell King Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index a701411fcc0d..527d11b5ff14 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -32,6 +32,9 @@ struct tda998x_priv { uint16_t rev; uint8_t current_page; int dpms; + u8 vip_cntrl_0; + u8 vip_cntrl_1; + u8 vip_cntrl_2; }; #define to_tda998x_priv(x) ((struct tda998x_priv *)to_encoder_slave(x)->slave_priv) @@ -448,12 +451,9 @@ tda998x_encoder_dpms(struct drm_encoder *encoder, int mode) reg_write(encoder, REG_ENA_VP_1, 0xff); reg_write(encoder, REG_ENA_VP_2, 0xff); /* set muxing after enabling ports: */ - reg_write(encoder, REG_VIP_CNTRL_0, - VIP_CNTRL_0_SWAP_A(2) | VIP_CNTRL_0_SWAP_B(3)); - reg_write(encoder, REG_VIP_CNTRL_1, - VIP_CNTRL_1_SWAP_C(0) | VIP_CNTRL_1_SWAP_D(1)); - reg_write(encoder, REG_VIP_CNTRL_2, - VIP_CNTRL_2_SWAP_E(4) | VIP_CNTRL_2_SWAP_F(5)); + reg_write(encoder, REG_VIP_CNTRL_0, priv->vip_cntrl_0); + reg_write(encoder, REG_VIP_CNTRL_1, priv->vip_cntrl_1); + reg_write(encoder, REG_VIP_CNTRL_2, priv->vip_cntrl_2); break; case DRM_MODE_DPMS_OFF: /* disable audio and video ports */ @@ -823,6 +823,10 @@ tda998x_encoder_init(struct i2c_client *client, if (!priv) return -ENOMEM; + priv->vip_cntrl_0 = VIP_CNTRL_0_SWAP_A(2) | VIP_CNTRL_0_SWAP_B(3); + priv->vip_cntrl_1 = VIP_CNTRL_1_SWAP_C(0) | VIP_CNTRL_1_SWAP_D(1); + priv->vip_cntrl_2 = VIP_CNTRL_2_SWAP_E(4) | VIP_CNTRL_2_SWAP_F(5); + priv->current_page = 0; priv->cec = i2c_new_dummy(client->adapter, 0x34); priv->dpms = DRM_MODE_DPMS_OFF;