Signed-off-by: Russell King rmk+kernel@arm.linux.org.uk --- drivers/gpu/drm/armada/Kconfig | 9 +++++++ drivers/gpu/drm/armada/armada_drv.c | 42 +++++++++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/armada/Kconfig b/drivers/gpu/drm/armada/Kconfig index c7a0a94..87e62dd 100644 --- a/drivers/gpu/drm/armada/Kconfig +++ b/drivers/gpu/drm/armada/Kconfig @@ -13,3 +13,12 @@ config DRM_ARMADA This driver provides no built-in acceleration; acceleration is performed by other IP found on the SoC. This driver provides kernel mode setting and buffer management to userspace. + +config DRM_ARMADA_TDA1998X + bool "Support TDA1998X HDMI output" + depends on DRM_ARMADA != n + depends on I2C && DRM_I2C_NXP_TDA998X = y + default y + help + Support the TDA1998x HDMI output device found on the Solid-Run + CuBox. diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c index bb70cf5..c18ba0c 100644 --- a/drivers/gpu/drm/armada/armada_drv.c +++ b/drivers/gpu/drm/armada/armada_drv.c @@ -16,6 +16,42 @@ #include "armada_ioctl.h" #include "armada_ioctlP.h"
+#ifdef CONFIG_DRM_ARMADA_TDA1998X +#include <drm/i2c/tda998x.h> +#include "armada_slave.h" + +static struct tda998x_encoder_params params = { + /* With 0x24, there is no translation between vp_out and int_vp + FB LCD out Pins VIP Int Vp + R:23:16 R:7:0 VPC7:0 7:0 7:0[R] + G:15:8 G:15:8 VPB7:0 23:16 23:16[G] + B:7:0 B:23:16 VPA7:0 15:8 15:8[B] + */ + .swap_a = 2, + .swap_b = 3, + .swap_c = 4, + .swap_d = 5, + .swap_e = 0, + .swap_f = 1, + .audio_cfg = BIT(2), + .audio_frame[1] = 1, + .audio_format = AFMT_SPDIF, + .audio_sample_rate = 44100, +}; + +static const struct armada_drm_slave_config tda19988_config = { + .i2c_adapter_id = 0, + .crtcs = 1 << 0, /* Only LCD0 at the moment */ + .polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT, + .interlace_allowed = true, + .info = { + .type = "tda998x", + .addr = 0x70, + .platform_data = ¶ms, + }, +}; +#endif + static int armada_drm_load(struct drm_device *dev, unsigned long flags) { struct armada_private *priv; @@ -88,6 +124,12 @@ static int armada_drm_load(struct drm_device *dev, unsigned long flags) } }
+#ifdef CONFIG_DRM_ARMADA_TDA1998X + ret = armada_drm_connector_slave_create(dev, &tda19988_config); + if (ret) + goto err_kms; +#endif + ret = drm_vblank_init(dev, n); if (ret) goto err_kms;