drm/i2c: tda998x: add video and audio input configuration

This patch adds tda998x specific parameters to allow it to be configured
for different boards using it. Also, this implements rudimentary audio
support for S/PDIF attached controllers.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Darren Etheridge <detheridge@ti.com>
Tested-by: Russell King <rmk_kernel@arm.linux.org.uk>
Tested-by: Russell King <rmk_kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/include/drm/i2c/tda998x.h b/include/drm/i2c/tda998x.h
new file mode 100644
index 000000000000..3e419d92cf5a
--- /dev/null
+++ b/include/drm/i2c/tda998x.h
@@ -0,0 +1,30 @@
+#ifndef __DRM_I2C_TDA998X_H__
+#define __DRM_I2C_TDA998X_H__
+
+struct tda998x_encoder_params {
+        u8 swap_b:3;
+        u8 mirr_b:1;
+        u8 swap_a:3;
+        u8 mirr_a:1;
+        u8 swap_d:3;
+        u8 mirr_d:1;
+        u8 swap_c:3;
+        u8 mirr_c:1;
+        u8 swap_f:3;
+        u8 mirr_f:1;
+        u8 swap_e:3;
+        u8 mirr_e:1;
+
+        u8 audio_cfg;
+        u8 audio_clk_cfg;
+        u8 audio_frame[6];
+
+        enum {
+                AFMT_SPDIF,
+                AFMT_I2S
+        } audio_format;
+
+        unsigned audio_sample_rate;
+};
+
+#endif