4 #include <drm/drm_connector.h>
6 #include <sound/dmaengine_pcm.h>
11 /* VC4 HDMI encoder KMS struct */
12 struct vc4_hdmi_encoder {
13 struct vc4_encoder base;
15 bool limited_rgb_range;
18 static inline struct vc4_hdmi_encoder *
19 to_vc4_hdmi_encoder(struct drm_encoder *encoder)
21 return container_of(encoder, struct vc4_hdmi_encoder, base.base);
24 struct drm_display_mode;
27 struct vc4_hdmi_register;
29 enum vc4_hdmi_phy_channel {
36 struct vc4_hdmi_variant {
37 /* Encoder Type for that controller */
38 enum vc4_encoder_type encoder_type;
41 const char *card_name;
43 /* Filename to expose the registers in debugfs */
44 const char *debugfs_name;
46 /* Set to true when the CEC support is available */
49 /* Maximum pixel clock supported by the controller (in Hz) */
50 unsigned long long max_pixel_clock;
52 /* List of the registers available on that variant */
53 const struct vc4_hdmi_register *registers;
55 /* Number of registers on that variant */
56 unsigned int num_registers;
59 * The variants don't map the lane in the same order in the
60 * PHY, so this is an array mapping the HDMI channel (index)
61 * to the PHY lane (value).
63 enum vc4_hdmi_phy_channel phy_lane_mapping[4];
65 /* Callback to get the resources (memory region, interrupts,
66 * clocks, etc) for that variant.
68 int (*init_resources)(struct vc4_hdmi *vc4_hdmi);
70 /* Callback to reset the HDMI block */
71 void (*reset)(struct vc4_hdmi *vc4_hdmi);
73 /* Callback to enable / disable the CSC */
74 void (*csc_setup)(struct vc4_hdmi *vc4_hdmi, bool enable);
76 /* Callback to configure the video timings in the HDMI block */
77 void (*set_timings)(struct vc4_hdmi *vc4_hdmi,
78 struct drm_display_mode *mode);
80 /* Callback to initialize the PHY according to the mode */
81 void (*phy_init)(struct vc4_hdmi *vc4_hdmi,
82 struct drm_display_mode *mode);
84 /* Callback to disable the PHY */
85 void (*phy_disable)(struct vc4_hdmi *vc4_hdmi);
87 /* Callback to enable the RNG in the PHY */
88 void (*phy_rng_enable)(struct vc4_hdmi *vc4_hdmi);
90 /* Callback to disable the RNG in the PHY */
91 void (*phy_rng_disable)(struct vc4_hdmi *vc4_hdmi);
93 /* Callback to get channel map */
94 u32 (*channel_map)(struct vc4_hdmi *vc4_hdmi, u32 channel_mask);
97 /* HDMI audio information */
98 struct vc4_hdmi_audio {
99 struct snd_soc_card card;
100 struct snd_soc_dai_link link;
101 struct snd_soc_dai_link_component cpu;
102 struct snd_soc_dai_link_component codec;
103 struct snd_soc_dai_link_component platform;
106 struct snd_dmaengine_dai_dma_data dma_data;
107 struct snd_pcm_substream *substream;
112 /* General HDMI hardware state. */
114 struct vc4_hdmi_audio audio;
116 struct platform_device *pdev;
117 const struct vc4_hdmi_variant *variant;
119 struct vc4_hdmi_encoder encoder;
120 struct drm_connector connector;
122 struct i2c_adapter *ddc;
123 void __iomem *hdmicore_regs;
124 void __iomem *hd_regs;
127 void __iomem *cec_regs;
129 void __iomem *csc_regs;
131 void __iomem *dvp_regs;
133 void __iomem *phy_regs;
135 void __iomem *ram_regs;
137 void __iomem *rm_regs;
142 struct cec_adapter *cec_adap;
143 struct cec_msg cec_rx_msg;
147 struct clk *pixel_clock;
148 struct clk *hsm_clock;
149 struct clk *audio_clock;
150 struct clk *pixel_bvb_clock;
152 struct reset_control *reset;
154 struct debugfs_regset32 hdmi_regset;
155 struct debugfs_regset32 hd_regset;
158 static inline struct vc4_hdmi *
159 connector_to_vc4_hdmi(struct drm_connector *connector)
161 return container_of(connector, struct vc4_hdmi, connector);
164 static inline struct vc4_hdmi *
165 encoder_to_vc4_hdmi(struct drm_encoder *encoder)
167 struct vc4_hdmi_encoder *_encoder = to_vc4_hdmi_encoder(encoder);
169 return container_of(_encoder, struct vc4_hdmi, encoder);
172 void vc4_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi,
173 struct drm_display_mode *mode);
174 void vc4_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
175 void vc4_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
176 void vc4_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
178 void vc5_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi,
179 struct drm_display_mode *mode);
180 void vc5_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
181 void vc5_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
182 void vc5_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
184 #endif /* _VC4_HDMI_H_ */