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path: root/drivers/gpu/drm/vc4/vc4_hdmi.h
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Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_hdmi.h')
-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.h129
1 files changed, 77 insertions, 52 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h
index 884d245507a9..8d069718df00 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
@@ -4,26 +4,13 @@
#include <drm/drm_connector.h>
#include <media/cec.h>
#include <sound/dmaengine_pcm.h>
+#include <sound/hdmi-codec.h>
#include <sound/soc.h>
#include "vc4_drv.h"
-/* VC4 HDMI encoder KMS struct */
-struct vc4_hdmi_encoder {
- struct vc4_encoder base;
- bool hdmi_monitor;
- bool limited_rgb_range;
-};
-
-static inline struct vc4_hdmi_encoder *
-to_vc4_hdmi_encoder(struct drm_encoder *encoder)
-{
- return container_of(encoder, struct vc4_hdmi_encoder, base.base);
-}
-
struct vc4_hdmi;
struct vc4_hdmi_register;
-struct vc4_hdmi_connector_state;
enum vc4_hdmi_phy_channel {
PHY_LANE_0 = 0,
@@ -71,22 +58,25 @@ struct vc4_hdmi_variant {
/* Callback to get the resources (memory region, interrupts,
* clocks, etc) for that variant.
*/
- int (*init_resources)(struct vc4_hdmi *vc4_hdmi);
+ int (*init_resources)(struct drm_device *drm,
+ struct vc4_hdmi *vc4_hdmi);
/* Callback to reset the HDMI block */
void (*reset)(struct vc4_hdmi *vc4_hdmi);
/* Callback to enable / disable the CSC */
- void (*csc_setup)(struct vc4_hdmi *vc4_hdmi, bool enable);
+ void (*csc_setup)(struct vc4_hdmi *vc4_hdmi,
+ struct drm_connector_state *state,
+ const struct drm_display_mode *mode);
/* Callback to configure the video timings in the HDMI block */
void (*set_timings)(struct vc4_hdmi *vc4_hdmi,
struct drm_connector_state *state,
- struct drm_display_mode *mode);
+ const struct drm_display_mode *mode);
/* Callback to initialize the PHY according to the connector state */
void (*phy_init)(struct vc4_hdmi *vc4_hdmi,
- struct vc4_hdmi_connector_state *vc4_conn_state);
+ struct drm_connector_state *conn_state);
/* Callback to disable the PHY */
void (*phy_disable)(struct vc4_hdmi *vc4_hdmi);
@@ -102,6 +92,9 @@ struct vc4_hdmi_variant {
/* Enables HDR metadata */
bool supports_hdr;
+
+ /* Callback for hardware specific hotplug detect */
+ bool (*hp_detect)(struct vc4_hdmi *vc4_hdmi);
};
/* HDMI audio information */
@@ -111,11 +104,7 @@ struct vc4_hdmi_audio {
struct snd_soc_dai_link_component cpu;
struct snd_soc_dai_link_component codec;
struct snd_soc_dai_link_component platform;
- int samplerate;
- int channels;
struct snd_dmaengine_dai_dma_data dma_data;
- struct snd_pcm_substream *substream;
-
bool streaming;
};
@@ -126,7 +115,7 @@ struct vc4_hdmi {
struct platform_device *pdev;
const struct vc4_hdmi_variant *variant;
- struct vc4_hdmi_encoder encoder;
+ struct vc4_encoder encoder;
struct drm_connector connector;
struct delayed_work scrambling_work;
@@ -158,15 +147,6 @@ struct vc4_hdmi {
*/
bool disable_wifi_frequencies;
- /*
- * Even if HDMI0 on the RPi4 can output modes requiring a pixel
- * rate higher than 297MHz, it needs some adjustments in the
- * config.txt file to be able to do so and thus won't always be
- * available.
- */
- bool disable_4kp60;
-
- struct cec_adapter *cec_adap;
struct cec_msg cec_rx_msg;
bool cec_tx_ok;
bool cec_irq_was_rx;
@@ -181,43 +161,88 @@ struct vc4_hdmi {
struct debugfs_regset32 hdmi_regset;
struct debugfs_regset32 hd_regset;
-};
-static inline struct vc4_hdmi *
-connector_to_vc4_hdmi(struct drm_connector *connector)
-{
- return container_of(connector, struct vc4_hdmi, connector);
-}
+ /* VC5 only */
+ struct debugfs_regset32 cec_regset;
+ struct debugfs_regset32 csc_regset;
+ struct debugfs_regset32 dvp_regset;
+ struct debugfs_regset32 phy_regset;
+ struct debugfs_regset32 ram_regset;
+ struct debugfs_regset32 rm_regset;
-static inline struct vc4_hdmi *
-encoder_to_vc4_hdmi(struct drm_encoder *encoder)
-{
- struct vc4_hdmi_encoder *_encoder = to_vc4_hdmi_encoder(encoder);
+ /**
+ * @hw_lock: Spinlock protecting device register access.
+ */
+ spinlock_t hw_lock;
- return container_of(_encoder, struct vc4_hdmi, encoder);
-}
+ /**
+ * @mutex: Mutex protecting the driver access across multiple
+ * frameworks (KMS, ALSA, CEC).
+ */
+ struct mutex mutex;
-struct vc4_hdmi_connector_state {
- struct drm_connector_state base;
- unsigned long long pixel_rate;
+ /**
+ * @saved_adjusted_mode: Copy of @drm_crtc_state.adjusted_mode
+ * for use by ALSA hooks and interrupt handlers. Protected by @mutex.
+ */
+ struct drm_display_mode saved_adjusted_mode;
+
+ /**
+ * @packet_ram_enabled: Is the HDMI controller packet RAM currently
+ * on? Protected by @mutex.
+ */
+ bool packet_ram_enabled;
+
+ /**
+ * @scdc_enabled: Is the HDMI controller currently running with
+ * the scrambler on? Protected by @mutex.
+ */
+ bool scdc_enabled;
+
+ /**
+ * @output_bpc: Copy of @drm_connector_state.hdmi.output_bpc for
+ * use outside of KMS hooks. Protected by @mutex.
+ */
+ unsigned int output_bpc;
+
+ /**
+ * @output_format: Copy of
+ * @drm_connector_state.hdmi.output_format for use outside of
+ * KMS hooks. Protected by @mutex.
+ */
+ enum hdmi_colorspace output_format;
+
+ /**
+ * @hdmi_jack: Represents the connection state of the HDMI plug, for
+ * ALSA jack detection.
+ */
+ struct snd_soc_jack hdmi_jack;
};
-static inline struct vc4_hdmi_connector_state *
-conn_state_to_vc4_hdmi_conn_state(struct drm_connector_state *conn_state)
+#define connector_to_vc4_hdmi(_connector) \
+ container_of_const(_connector, struct vc4_hdmi, connector)
+
+static inline struct vc4_hdmi *
+encoder_to_vc4_hdmi(struct drm_encoder *encoder)
{
- return container_of(conn_state, struct vc4_hdmi_connector_state, base);
+ struct vc4_encoder *_encoder = to_vc4_encoder(encoder);
+ return container_of_const(_encoder, struct vc4_hdmi, encoder);
}
void vc4_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi,
- struct vc4_hdmi_connector_state *vc4_conn_state);
+ struct drm_connector_state *conn_state);
void vc4_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
void vc4_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
void vc4_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
void vc5_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi,
- struct vc4_hdmi_connector_state *vc4_conn_state);
+ struct drm_connector_state *conn_state);
void vc5_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
void vc5_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
void vc5_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
+void vc6_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi,
+ struct drm_connector_state *conn_state);
+void vc6_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
+
#endif /* _VC4_HDMI_H_ */