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);
25 struct vc4_hdmi_register;
26 struct vc4_hdmi_connector_state;
28 enum vc4_hdmi_phy_channel {
35 struct vc4_hdmi_variant {
36 /* Encoder Type for that controller */
37 enum vc4_encoder_type encoder_type;
40 const char *card_name;
42 /* Filename to expose the registers in debugfs */
43 const char *debugfs_name;
45 /* Set to true when the CEC support is available */
48 /* Maximum pixel clock supported by the controller (in Hz) */
49 unsigned long long max_pixel_clock;
51 /* List of the registers available on that variant */
52 const struct vc4_hdmi_register *registers;
54 /* Number of registers on that variant */
55 unsigned int num_registers;
58 * The variants don't map the lane in the same order in the
59 * PHY, so this is an array mapping the HDMI channel (index)
60 * to the PHY lane (value).
62 enum vc4_hdmi_phy_channel phy_lane_mapping[4];
64 /* The BCM2711 cannot deal with odd horizontal pixel timings */
65 bool unsupported_odd_h_timings;
68 * The BCM2711 CEC/hotplug IRQ controller is shared between the
69 * two HDMI controllers, and we have a proper irqchip driver for
72 bool external_irq_controller;
74 /* Callback to get the resources (memory region, interrupts,
75 * clocks, etc) for that variant.
77 int (*init_resources)(struct vc4_hdmi *vc4_hdmi);
79 /* Callback to reset the HDMI block */
80 void (*reset)(struct vc4_hdmi *vc4_hdmi);
82 /* Callback to enable / disable the CSC */
83 void (*csc_setup)(struct vc4_hdmi *vc4_hdmi, bool enable);
85 /* Callback to configure the video timings in the HDMI block */
86 void (*set_timings)(struct vc4_hdmi *vc4_hdmi,
87 struct drm_connector_state *state,
88 struct drm_display_mode *mode);
90 /* Callback to initialize the PHY according to the connector state */
91 void (*phy_init)(struct vc4_hdmi *vc4_hdmi,
92 struct vc4_hdmi_connector_state *vc4_conn_state);
94 /* Callback to disable the PHY */
95 void (*phy_disable)(struct vc4_hdmi *vc4_hdmi);
97 /* Callback to enable the RNG in the PHY */
98 void (*phy_rng_enable)(struct vc4_hdmi *vc4_hdmi);
100 /* Callback to disable the RNG in the PHY */
101 void (*phy_rng_disable)(struct vc4_hdmi *vc4_hdmi);
103 /* Callback to get channel map */
104 u32 (*channel_map)(struct vc4_hdmi *vc4_hdmi, u32 channel_mask);
107 /* HDMI audio information */
108 struct vc4_hdmi_audio {
109 struct snd_soc_card card;
110 struct snd_soc_dai_link link;
111 struct snd_soc_dai_link_component cpu;
112 struct snd_soc_dai_link_component codec;
113 struct snd_soc_dai_link_component platform;
116 struct snd_dmaengine_dai_dma_data dma_data;
117 struct snd_pcm_substream *substream;
122 /* General HDMI hardware state. */
124 struct vc4_hdmi_audio audio;
126 struct platform_device *pdev;
127 const struct vc4_hdmi_variant *variant;
129 struct vc4_hdmi_encoder encoder;
130 struct drm_connector connector;
132 struct i2c_adapter *ddc;
133 void __iomem *hdmicore_regs;
134 void __iomem *hd_regs;
137 void __iomem *cec_regs;
139 void __iomem *csc_regs;
141 void __iomem *dvp_regs;
143 void __iomem *phy_regs;
145 void __iomem *ram_regs;
147 void __iomem *rm_regs;
153 * On some systems (like the RPi4), some modes are in the same
154 * frequency range than the WiFi channels (1440p@60Hz for
155 * example). Should we take evasive actions because that system
156 * has a wifi adapter?
158 bool disable_wifi_frequencies;
160 struct cec_adapter *cec_adap;
161 struct cec_msg cec_rx_msg;
165 struct clk *cec_clock;
166 struct clk *pixel_clock;
167 struct clk *hsm_clock;
168 struct clk *audio_clock;
169 struct clk *pixel_bvb_clock;
171 struct reset_control *reset;
173 struct debugfs_regset32 hdmi_regset;
174 struct debugfs_regset32 hd_regset;
177 static inline struct vc4_hdmi *
178 connector_to_vc4_hdmi(struct drm_connector *connector)
180 return container_of(connector, struct vc4_hdmi, connector);
183 static inline struct vc4_hdmi *
184 encoder_to_vc4_hdmi(struct drm_encoder *encoder)
186 struct vc4_hdmi_encoder *_encoder = to_vc4_hdmi_encoder(encoder);
188 return container_of(_encoder, struct vc4_hdmi, encoder);
191 struct vc4_hdmi_connector_state {
192 struct drm_connector_state base;
193 unsigned long long pixel_rate;
196 static inline struct vc4_hdmi_connector_state *
197 conn_state_to_vc4_hdmi_conn_state(struct drm_connector_state *conn_state)
199 return container_of(conn_state, struct vc4_hdmi_connector_state, base);
202 void vc4_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi,
203 struct vc4_hdmi_connector_state *vc4_conn_state);
204 void vc4_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
205 void vc4_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
206 void vc4_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
208 void vc5_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi,
209 struct vc4_hdmi_connector_state *vc4_conn_state);
210 void vc5_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
211 void vc5_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
212 void vc5_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
214 #endif /* _VC4_HDMI_H_ */