diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-05-04 20:08:27 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-10-18 16:00:33 +0100 |
| commit | 585b691e2180e1501637050290292f77f5c30c7b (patch) | |
| tree | 07db7ed1845a9f915fb657f4ec0248847698d61d | |
| parent | dfdba7fd60592818078e9ceec04ffa49347e1aed (diff) | |
DRM: Armada: add support for drm tda19988 driver
Add support for TDA998x output via the slave driver in the kernel.
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | drivers/gpu/drm/armada/Kconfig | 9 | ||||
| -rw-r--r-- | 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 c7a0a944acfe..87e62dd4431d 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 7bfab9a286ae..7aede900a221 100644 --- a/drivers/gpu/drm/armada/armada_drv.c +++ b/drivers/gpu/drm/armada/armada_drv.c @@ -16,6 +16,42 @@ #include <drm/armada_drm.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 void armada_drm_unref_work(struct work_struct *work) { struct armada_private *priv = @@ -134,6 +170,12 @@ static int armada_drm_load(struct drm_device *dev, unsigned long flags) goto err_kms; } +#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; |