/* SPDX-License-Identifier: GPL-2.0+ */ /* * Driver for Analog Devices ADV748X video decoder and HDMI receiver * * Copyright (C) 2017 Renesas Electronics Corp. * * Authors: * Koji Matsuoka * Niklas Söderlund * Kieran Bingham * * The ADV748x range of receivers have the following configurations: * * Analog HDMI MHL 4-Lane 1-Lane * In In CSI CSI * ADV7480 X X X * ADV7481 X X X X X * ADV7482 X X X X */ #include #ifndef _ADV748X_H_ #define _ADV748X_H_ enum adv748x_page { ADV748X_PAGE_IO, ADV748X_PAGE_DPLL, ADV748X_PAGE_CP, ADV748X_PAGE_HDMI, ADV748X_PAGE_EDID, ADV748X_PAGE_REPEATER, ADV748X_PAGE_INFOFRAME, ADV748X_PAGE_CBUS, ADV748X_PAGE_CEC, ADV748X_PAGE_SDP, ADV748X_PAGE_TXB, ADV748X_PAGE_TXA, ADV748X_PAGE_MAX, /* Fake pages for register sequences */ ADV748X_PAGE_EOR, /* End Mark */ }; /** * enum adv748x_ports - Device tree port number definitions * * The ADV748X ports define the mapping between subdevices * and the device tree specification */ enum adv748x_ports { ADV748X_PORT_AIN0 = 0, ADV748X_PORT_AIN1 = 1, ADV748X_PORT_AIN2 = 2, ADV748X_PORT_AIN3 = 3, ADV748X_PORT_AIN4 = 4, ADV748X_PORT_AIN5 = 5, ADV748X_PORT_AIN6 = 6, ADV748X_PORT_AIN7 = 7, ADV748X_PORT_HDMI = 8, ADV748X_PORT_TTL = 9, ADV748X_PORT_TXA = 10, ADV748X_PORT_TXB = 11, ADV748X_PORT_MAX = 12, }; enum adv748x_csi2_pads { ADV748X_CSI2_SINK, ADV748X_CSI2_SOURCE, ADV748X_CSI2_NR_PADS, }; /* CSI2 transmitters can have 2 internal connections, HDMI/AFE */ #define ADV748X_CSI2_MAX_SUBDEVS 2 struct adv748x_csi2 { struct adv748x_state *state; struct v4l2_mbus_framefmt format; unsigned int page; unsigned int port; unsigned int num_lanes; unsigned int active_lanes; struct media_pad pads[ADV748X_CSI2_NR_PADS]; struct v4l2_ctrl_handler ctrl_hdl; struct v4l2_ctrl *pixel_rate; struct v4l2_subdev *src; struct v4l2_subdev sd; }; #define notifier_to_csi2(n) container_of(n, struct adv748x_csi2, notifier) #define adv748x_sd_to_csi2(sd) container_of(sd, struct adv748x_csi2, sd) #define is_tx_enabled(_tx) ((_tx)->state->endpoints[(_tx)->port] != NULL) #define is_txa(_tx) ((_tx) == &(_tx)->state->txa) #define is_txb(_tx) ((_tx) == &(_tx)->state->txb) #define is_tx(_tx) (is_txa(_tx) || is_txb(_tx)) #define is_afe_enabled(_state) \ ((_state)->endpoints[ADV748X_PORT_AIN0] != NULL || \ (_state)->endpoints[ADV748X_PORT_AIN1] != NULL || \ (_state)->endpoints[ADV748X_PORT_AIN2] != NULL || \ (_state)->endpoints[ADV748X_PORT_AIN3] != NULL || \ (_state)->endpoints[ADV748X_PORT_AIN4] != NULL || \ (_state)->endpoints[ADV748X_PORT_AIN5] != NULL || \ (_state)->endpoints[ADV748X_PORT_AIN6] != NULL || \ (_state)->endpoints[ADV748X_PORT_AIN7] != NULL) #define is_hdmi_enabled(_state) ((_state)->endpoints[ADV748X_PORT_HDMI] != NULL) enum adv748x_hdmi_pads { ADV748X_HDMI_SINK, ADV748X_HDMI_SOURCE, ADV748X_HDMI_NR_PADS, }; struct adv748x_hdmi { struct media_pad pads[ADV748X_HDMI_NR_PADS]; struct v4l2_ctrl_handler ctrl_hdl; struct v4l2_subdev sd; struct v4l2_mbus_framefmt format; struct v4l2_dv_timings timings; struct v4l2_fract aspect_ratio; struct adv748x_csi2 *tx; struct { u8 edid[512]; u32 present; unsigned int blocks; } edid; }; #define adv748x_ctrl_to_hdmi(ctrl) \ container_of(ctrl->handler, struct adv748x_hdmi, ctrl_hdl) #define adv748x_sd_to_hdmi(sd) container_of(sd, struct adv748x_hdmi, sd) enum adv748x_afe_pads { ADV748X_AFE_SINK_AIN0, ADV748X_AFE_SINK_AIN1, ADV748X_AFE_SINK_AIN2, ADV748X_AFE_SINK_AIN3, ADV748X_AFE_SINK_AIN4, ADV748X_AFE_SINK_AIN5, ADV748X_AFE_SINK_AIN6, ADV748X_AFE_SINK_AIN7, ADV748X_AFE_SOURCE, ADV748X_AFE_NR_PADS, }; struct adv748x_afe { struct media_pad pads[ADV748X_AFE_NR_PADS]; struct v4l2_ctrl_handler ctrl_hdl; struct v4l2_subdev sd; struct v4l2_mbus_framefmt format; struct adv748x_csi2 *tx; bool streaming; v4l2_std_id curr_norm; unsigned int input; }; #define adv748x_ctrl_to_afe(ctrl) \ container_of(ctrl->handler, struct adv748x_afe, ctrl_hdl) #define adv748x_sd_to_afe(sd) container_of(sd, struct adv748x_afe, sd) /** * struct adv748x_state - State of ADV748X * @dev: (OF) device * @client: I2C client * @mutex: protect global state * * @endpoints: parsed device node endpoints for each port * * @i2c_addresses I2C Page addresses * @i2c_clients I2C clients for the page accesses * @regmap regmap configuration pages. * * @hdmi: state of HDMI receiver context * @afe: state of AFE receiver context * @txa: state of TXA transmitter context * @txb: state of TXB transmitter context */ struct adv748x_state { struct device *dev; struct i2c_client *client; struct mutex mutex; struct device_node *endpoints[ADV748X_PORT_MAX]; struct i2c_client *i2c_clients[ADV748X_PAGE_MAX]; struct regmap *regmap[ADV748X_PAGE_MAX]; struct adv748x_hdmi hdmi; struct adv748x_afe afe; struct adv748x_csi2 txa; struct adv748x_csi2 txb; }; #define adv748x_hdmi_to_state(h) container_of(h, struct adv748x_state, hdmi) #define adv748x_afe_to_state(a) container_of(a, struct adv748x_state, afe) #define adv_err(a, fmt, arg...) dev_err(a->dev, fmt, ##arg) #define adv_info(a, fmt, arg...) dev_info(a->dev, fmt, ##arg) #define adv_dbg(a, fmt, arg...) dev_dbg(a->dev, fmt, ##arg) /* Register Mappings */ /* IO Map */ #define ADV748X_IO_PD 0x00 /* power down controls */ #define ADV748X_IO_PD_RX_EN BIT(6) #define ADV748X_IO_REG_01 0x01 /* pwrdn{2}b, prog_xtal_freq */ #define ADV748X_IO_REG_01_PWRDN_MASK (BIT(7) | BIT(6)) #define ADV748X_IO_REG_01_PWRDN2B BIT(7) /* CEC Wakeup Support */ #define ADV748X_IO_REG_01_PWRDNB BIT(6) /* CEC Wakeup Support */ #define ADV748X_IO_REG_04 0x04 #define ADV748X_IO_REG_04_FORCE_FR BIT(0) /* Force CP free-run */ #define ADV748X_IO_DATAPATH 0x03 /* datapath cntrl */ #define ADV748X_IO_DATAPATH_VFREQ_M 0x70 #define ADV748X_IO_DATAPATH_VFREQ_SHIFT 4 #define ADV748X_IO_VID_STD 0x05 #define ADV748X_IO_10 0x10 /* io_reg_10 */ #define ADV748X_IO_10_CSI4_EN BIT(7) #define ADV748X_IO_10_CSI1_EN BIT(6) #define ADV748X_IO_10_PIX_OUT_EN BIT(5) #define ADV748X_IO_10_CSI4_IN_SEL_AFE BIT(3) #define ADV748X_IO_CHIP_REV_ID_1 0xdf #define ADV748X_IO_CHIP_REV_ID_2 0xe0 #define ADV748X_IO_REG_F2 0xf2 #define ADV748X_IO_REG_F2_READ_AUTO_INC BIT(0) /* For PAGE slave address offsets */ #define ADV748X_IO_SLAVE_ADDR_BASE 0xf2 /* * The ADV748x_Recommended_Settings_PrA_2014-08-20.pdf details both 0x80 and * 0xff as examples for performing a software reset. */ #define ADV748X_IO_REG_FF 0xff #define ADV748X_IO_REG_FF_MAIN_RESET 0xff /* HDMI RX Map */ #define ADV748X_HDMI_LW1 0x07 /* line width_1 */ #define ADV748X_HDMI_LW1_VERT_FILTER BIT(7) #define ADV748X_HDMI_LW1_DE_REGEN BIT(5) #define ADV748X_HDMI_LW1_WIDTH_MASK 0x1fff #define ADV748X_HDMI_F0H1 0x09 /* field0 height_1 */ #define ADV748X_HDMI_F0H1_HEIGHT_MASK 0x1fff #define ADV748X_HDMI_F1H1 0x0b /* field1 height_1 */ #define ADV748X_HDMI_F1H1_INTERLACED BIT(5) #define ADV748X_HDMI_HFRONT_PORCH 0x20 /* hsync_front_porch_1 */ #define ADV748X_HDMI_HFRONT_PORCH_MASK 0x1fff #define ADV748X_HDMI_HSYNC_WIDTH 0x22 /* hsync_pulse_width_1 */ #define ADV748X_HDMI_HSYNC_WIDTH_MASK 0x1fff #define ADV748X_HDMI_HBACK_PORCH 0x24 /* hsync_back_porch_1 */ #define ADV748X_HDMI_HBACK_PORCH_MASK 0x1fff #define ADV748X_HDMI_VFRONT_PORCH 0x2a /* field0_vs_front_porch_1 */ #define ADV748X_HDMI_VFRONT_PORCH_MASK 0x3fff #define ADV748X_HDMI_VSYNC_WIDTH 0x2e /* field0_vs_pulse_width_1 */ #define ADV748X_HDMI_VSYNC_WIDTH_MASK 0x3fff #define ADV748X_HDMI_VBACK_PORCH 0x32 /* field0_vs_back_porch_1 */ #define ADV748X_HDMI_VBACK_PORCH_MASK 0x3fff #define ADV748X_HDMI_TMDS_1 0x51 /* hdmi_reg_51 */ #define ADV748X_HDMI_TMDS_2 0x52 /* hdmi_reg_52 */ /* HDMI RX Repeater Map */ #define ADV748X_REPEATER_EDID_SZ 0x70 /* primary_edid_size */ #define ADV748X_REPEATER_EDID_SZ_SHIFT 4 #define ADV748X_REPEATER_EDID_CTL 0x74 /* hdcp edid controls */ #define ADV748X_REPEATER_EDID_CTL_EN BIT(0) /* man_edid_a_enable */ /* SDP Main Map */ #define ADV748X_SDP_INSEL 0x00 /* user_map_rw_reg_00 */ #define ADV748X_SDP_VID_SEL 0x02 /* user_map_rw_reg_02 */ #define ADV748X_SDP_VID_SEL_MASK 0xf0 #define ADV748X_SDP_VID_SEL_SHIFT 4 /* Contrast - Unsigned*/ #define ADV748X_SDP_CON 0x08 /* user_map_rw_reg_08 */ #define ADV748X_SDP_CON_MIN 0 #define ADV748X_SDP_CON_DEF 128 #define ADV748X_SDP_CON_MAX 255 /* Brightness - Signed */ #define ADV748X_SDP_BRI 0x0a /* user_map_rw_reg_0a */ #define ADV748X_SDP_BRI_MIN -128 #define ADV748X_SDP_BRI_DEF 0 #define ADV748X_SDP_BRI_MAX 127 /* Hue - Signed, inverted*/ #define ADV748X_SDP_HUE 0x0b /* user_map_rw_reg_0b */ #define ADV748X_SDP_HUE_MIN -127 #define ADV748X_SDP_HUE_DEF 0 #define ADV748X_SDP_HUE_MAX 128 /* Test Patterns / Default Values */ #define ADV748X_SDP_DEF 0x0c /* user_map_rw_reg_0c */ #define ADV748X_SDP_DEF_VAL_EN BIT(0) /* Force free run mode */ #define ADV748X_SDP_DEF_VAL_AUTO_EN BIT(1) /* Free run when no signal */ #define ADV748X_SDP_MAP_SEL 0x0e /* user_map_rw_reg_0e */ #define ADV748X_SDP_MAP_SEL_RO_MAIN 1 /* Free run pattern select */ #define ADV748X_SDP_FRP 0x14 #define ADV748X_SDP_FRP_MASK GENMASK(3, 1) /* Saturation */ #define ADV748X_SDP_SD_SAT_U 0xe3 /* user_map_rw_reg_e3 */ #define ADV748X_SDP_SD_SAT_V 0xe4 /* user_map_rw_reg_e4 */ #define ADV748X_SDP_SAT_MIN 0 #define ADV748X_SDP_SAT_DEF 128 #define ADV748X_SDP_SAT_MAX 255 /* SDP RO Main Map */ #define ADV748X_SDP_RO_10 0x10 #define ADV748X_SDP_RO_10_IN_LOCK BIT(0) /* CP Map */ #define ADV748X_CP_PAT_GEN 0x37 /* int_pat_gen_1 */ #define ADV748X_CP_PAT_GEN_EN BIT(7) /* Contrast Control - Unsigned */ #define ADV748X_CP_CON 0x3a /* contrast_cntrl */ #define ADV748X_CP_CON_MIN 0 /* Minimum contrast */ #define ADV748X_CP_CON_DEF 128 /* Default */ #define ADV748X_CP_CON_MAX 255 /* Maximum contrast */ /* Saturation Control - Unsigned */ #define ADV748X_CP_SAT 0x3b /* saturation_cntrl */ #define ADV748X_CP_SAT_MIN 0 /* Minimum saturation */ #define ADV748X_CP_SAT_DEF 128 /* Default */ #define ADV748X_CP_SAT_MAX 255 /* Maximum saturation */ /* Brightness Control - Signed */ #define ADV748X_CP_BRI 0x3c /* brightness_cntrl */ #define ADV748X_CP_BRI_MIN -128 /* Luma is -512d */ #define ADV748X_CP_BRI_DEF 0 /* Luma is 0 */ #define ADV748X_CP_BRI_MAX 127 /* Luma is 508d */ /* Hue Control */ #define ADV748X_CP_HUE 0x3d /* hue_cntrl */ #define ADV748X_CP_HUE_MIN 0 /* -90 degree */ #define ADV748X_CP_HUE_DEF 0 /* -90 degree */ #define ADV748X_CP_HUE_MAX 255 /* +90 degree */ #define ADV748X_CP_VID_ADJ 0x3e /* vid_adj_0 */ #define ADV748X_CP_VID_ADJ_ENABLE BIT(7) /* Enable colour controls */ #define ADV748X_CP_DE_POS_HIGH 0x8b /* de_pos_adj_6 */ #define ADV748X_CP_DE_POS_HIGH_SET BIT(6) #define ADV748X_CP_DE_POS_END_LOW 0x8c /* de_pos_adj_7 */ #define ADV748X_CP_DE_POS_START_LOW 0x8d /* de_pos_adj_8 */ #define ADV748X_CP_VID_ADJ_2 0x91 #define ADV748X_CP_VID_ADJ_2_INTERLACED BIT(6) #define ADV748X_CP_VID_ADJ_2_INTERLACED_3D BIT(4) #define ADV748X_CP_CLMP_POS 0xc9 /* clmp_pos_cntrl_4 */ #define ADV748X_CP_CLMP_POS_DIS_AUTO BIT(0) /* dis_auto_param_buff */ /* CSI : TXA/TXB Maps */ #define ADV748X_CSI_VC_REF 0x0d /* csi_tx_top_reg_0d */ #define ADV748X_CSI_VC_REF_SHIFT 6 #define ADV748X_CSI_FS_AS_LS 0x1e /* csi_tx_top_reg_1e */ #define ADV748X_CSI_FS_AS_LS_UNKNOWN BIT(6) /* Undocumented bit */ /* Register handling */ int adv748x_read(struct adv748x_state *state, u8 addr, u8 reg); int adv748x_write(struct adv748x_state *state, u8 page, u8 reg, u8 value); int adv748x_write_block(struct adv748x_state *state, int client_page, unsigned int init_reg, const void *val, size_t val_len); #define io_read(s, r) adv748x_read(s, ADV748X_PAGE_IO, r) #define io_write(s, r, v) adv748x_write(s, ADV748X_PAGE_IO, r, v) #define io_clrset(s, r, m, v) io_write(s, r, (io_read(s, r) & ~(m)) | (v)) #define hdmi_read(s, r) adv748x_read(s, ADV748X_PAGE_HDMI, r) #define hdmi_read16(s, r, m) (((hdmi_read(s, r) << 8) | hdmi_read(s, (r)+1)) & (m)) #define hdmi_write(s, r, v) adv748x_write(s, ADV748X_PAGE_HDMI, r, v) #define repeater_read(s, r) adv748x_read(s, ADV748X_PAGE_REPEATER, r) #define repeater_write(s, r, v) adv748x_write(s, ADV748X_PAGE_REPEATER, r, v) #define sdp_read(s, r) adv748x_read(s, ADV748X_PAGE_SDP, r) #define sdp_write(s, r, v) adv748x_write(s, ADV748X_PAGE_SDP, r, v) #define sdp_clrset(s, r, m, v) sdp_write(s, r, (sdp_read(s, r) & ~(m)) | (v)) #define cp_read(s, r) adv748x_read(s, ADV748X_PAGE_CP, r) #define cp_write(s, r, v) adv748x_write(s, ADV748X_PAGE_CP, r, v) #define cp_clrset(s, r, m, v) cp_write(s, r, (cp_read(s, r) & ~(m)) | (v)) #define tx_read(t, r) adv748x_read(t->state, t->page, r) #define tx_write(t, r, v) adv748x_write(t->state, t->page, r, v) static inline struct v4l2_subdev *adv748x_get_remote_sd(struct media_pad *pad) { pad = media_entity_remote_pad(pad); if (!pad) return NULL; return media_entity_to_v4l2_subdev(pad->entity); } void adv748x_subdev_init(struct v4l2_subdev *sd, struct adv748x_state *state, const struct v4l2_subdev_ops *ops, u32 function, const char *ident); int adv748x_register_subdevs(struct adv748x_state *state, struct v4l2_device *v4l2_dev); int adv748x_tx_power(struct adv748x_csi2 *tx, bool on); int adv748x_afe_init(struct adv748x_afe *afe); void adv748x_afe_cleanup(struct adv748x_afe *afe); int adv748x_csi2_init(struct adv748x_state *state, struct adv748x_csi2 *tx); void adv748x_csi2_cleanup(struct adv748x_csi2 *tx); int adv748x_csi2_set_pixelrate(struct v4l2_subdev *sd, s64 rate); int adv748x_hdmi_init(struct adv748x_hdmi *hdmi); void adv748x_hdmi_cleanup(struct adv748x_hdmi *hdmi); #endif /* _ADV748X_H_ */