// SPDX-License-Identifier: GPL-2.0-only /* * adv7604 - Analog Devices ADV7604 video decoder driver * * Copyright 2012 Cisco Systems, Inc. and/or its affiliates. All rights reserved. * */ /* * References (c = chapter, p = page): * REF_01 - Analog devices, ADV7604, Register Settings Recommendations, * Revision 2.5, June 2010 * REF_02 - Analog devices, Register map documentation, Documentation of * the register maps, Software manual, Rev. F, June 2010 * REF_03 - Analog devices, ADV7604, Hardware Manual, Rev. F, August 2010 */ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/hdmi.h> #include <linux/i2c.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/of_graph.h> #include <linux/slab.h> #include <linux/v4l2-dv-timings.h> #include <linux/videodev2.h> #include <linux/workqueue.h> #include <linux/regmap.h> #include <linux/interrupt.h> #include <media/i2c/adv7604.h> #include <media/cec.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-event.h> #include <media/v4l2-dv-timings.h> #include <media/v4l2-fwnode.h> static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; /* ADV7604 system clock frequency */ #define ADV76XX_FSC … #define ADV76XX_RGB_OUT … #define ADV76XX_OP_FORMAT_SEL_8BIT … #define ADV7604_OP_FORMAT_SEL_10BIT … #define ADV76XX_OP_FORMAT_SEL_12BIT … #define ADV76XX_OP_MODE_SEL_SDR_422 … #define ADV7604_OP_MODE_SEL_DDR_422 … #define ADV76XX_OP_MODE_SEL_SDR_444 … #define ADV7604_OP_MODE_SEL_DDR_444 … #define ADV76XX_OP_MODE_SEL_SDR_422_2X … #define ADV7604_OP_MODE_SEL_ADI_CM … #define ADV76XX_OP_CH_SEL_GBR … #define ADV76XX_OP_CH_SEL_GRB … #define ADV76XX_OP_CH_SEL_BGR … #define ADV76XX_OP_CH_SEL_RGB … #define ADV76XX_OP_CH_SEL_BRG … #define ADV76XX_OP_CH_SEL_RBG … #define ADV76XX_OP_SWAP_CB_CR … #define ADV76XX_MAX_ADDRS … #define ADV76XX_MAX_EDID_BLOCKS … enum adv76xx_type { … }; struct adv76xx_reg_seq { … }; struct adv76xx_format_info { … }; struct adv76xx_cfg_read_infoframe { … }; struct adv76xx_chip_info { … }; /* ********************************************************************** * * Arrays with configuration parameters for the ADV7604 * ********************************************************************** */ struct adv76xx_state { … }; static bool adv76xx_has_afe(struct adv76xx_state *state) { … } /* Unsupported timings. This device cannot support 720p30. */ static const struct v4l2_dv_timings adv76xx_timings_exceptions[] = …; static bool adv76xx_check_dv_timings(const struct v4l2_dv_timings *t, void *hdl) { … } struct adv76xx_video_standards { … }; /* sorted by number of lines */ static const struct adv76xx_video_standards adv7604_prim_mode_comp[] = …; /* sorted by number of lines */ static const struct adv76xx_video_standards adv7604_prim_mode_gr[] = …; /* sorted by number of lines */ static const struct adv76xx_video_standards adv76xx_prim_mode_hdmi_comp[] = …; /* sorted by number of lines */ static const struct adv76xx_video_standards adv76xx_prim_mode_hdmi_gr[] = …; static const struct v4l2_event adv76xx_ev_fmt = …; /* ----------------------------------------------------------------------- */ static inline struct adv76xx_state *to_state(struct v4l2_subdev *sd) { … } static inline unsigned htotal(const struct v4l2_bt_timings *t) { … } static inline unsigned vtotal(const struct v4l2_bt_timings *t) { … } /* ----------------------------------------------------------------------- */ static int adv76xx_read_check(struct adv76xx_state *state, int client_page, u8 reg) { … } /* adv76xx_write_block(): Write raw data with a maximum of I2C_SMBUS_BLOCK_MAX * size to one or more registers. * * A value of zero will be returned on success, a negative errno will * be returned in error cases. */ static int adv76xx_write_block(struct adv76xx_state *state, int client_page, unsigned int init_reg, const void *val, size_t val_len) { … } /* ----------------------------------------------------------------------- */ static inline int io_read(struct v4l2_subdev *sd, u8 reg) { … } static inline int io_write(struct v4l2_subdev *sd, u8 reg, u8 val) { … } static inline int io_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) { … } static inline int __always_unused avlink_read(struct v4l2_subdev *sd, u8 reg) { … } static inline int __always_unused avlink_write(struct v4l2_subdev *sd, u8 reg, u8 val) { … } static inline int cec_read(struct v4l2_subdev *sd, u8 reg) { … } static inline int cec_write(struct v4l2_subdev *sd, u8 reg, u8 val) { … } static inline int cec_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) { … } static inline int infoframe_read(struct v4l2_subdev *sd, u8 reg) { … } static inline int __always_unused infoframe_write(struct v4l2_subdev *sd, u8 reg, u8 val) { … } static inline int __always_unused afe_read(struct v4l2_subdev *sd, u8 reg) { … } static inline int afe_write(struct v4l2_subdev *sd, u8 reg, u8 val) { … } static inline int rep_read(struct v4l2_subdev *sd, u8 reg) { … } static inline int rep_write(struct v4l2_subdev *sd, u8 reg, u8 val) { … } static inline int rep_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) { … } static inline int __always_unused edid_read(struct v4l2_subdev *sd, u8 reg) { … } static inline int __always_unused edid_write(struct v4l2_subdev *sd, u8 reg, u8 val) { … } static inline int edid_write_block(struct v4l2_subdev *sd, unsigned int total_len, const u8 *val) { … } static void adv76xx_set_hpd(struct adv76xx_state *state, unsigned int hpd) { … } static void adv76xx_delayed_work_enable_hotplug(struct work_struct *work) { … } static inline int hdmi_read(struct v4l2_subdev *sd, u8 reg) { … } static u16 hdmi_read16(struct v4l2_subdev *sd, u8 reg, u16 mask) { … } static inline int hdmi_write(struct v4l2_subdev *sd, u8 reg, u8 val) { … } static inline int hdmi_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) { … } static inline int __always_unused test_write(struct v4l2_subdev *sd, u8 reg, u8 val) { … } static inline int cp_read(struct v4l2_subdev *sd, u8 reg) { … } static u16 cp_read16(struct v4l2_subdev *sd, u8 reg, u16 mask) { … } static inline int cp_write(struct v4l2_subdev *sd, u8 reg, u8 val) { … } static inline int cp_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) { … } static inline int __always_unused vdp_read(struct v4l2_subdev *sd, u8 reg) { … } static inline int __always_unused vdp_write(struct v4l2_subdev *sd, u8 reg, u8 val) { … } #define ADV76XX_REG(page, offset) … #define ADV76XX_REG_SEQ_TERM … #ifdef CONFIG_VIDEO_ADV_DEBUG static int adv76xx_read_reg(struct v4l2_subdev *sd, unsigned int reg) { … } #endif static int adv76xx_write_reg(struct v4l2_subdev *sd, unsigned int reg, u8 val) { … } static void adv76xx_write_reg_seq(struct v4l2_subdev *sd, const struct adv76xx_reg_seq *reg_seq) { … } /* ----------------------------------------------------------------------------- * Format helpers */ static const struct adv76xx_format_info adv7604_formats[] = …; static const struct adv76xx_format_info adv7611_formats[] = …; static const struct adv76xx_format_info adv7612_formats[] = …; static const struct adv76xx_format_info * adv76xx_format_info(struct adv76xx_state *state, u32 code) { … } /* ----------------------------------------------------------------------- */ static inline bool is_analog_input(struct v4l2_subdev *sd) { … } static inline bool is_digital_input(struct v4l2_subdev *sd) { … } static const struct v4l2_dv_timings_cap adv7604_timings_cap_analog = …; static const struct v4l2_dv_timings_cap adv76xx_timings_cap_digital = …; /* * Return the DV timings capabilities for the requested sink pad. As a special * case, pad value -1 returns the capabilities for the currently selected input. */ static const struct v4l2_dv_timings_cap * adv76xx_get_dv_timings_cap(struct v4l2_subdev *sd, int pad) { … } /* ----------------------------------------------------------------------- */ #ifdef CONFIG_VIDEO_ADV_DEBUG static void adv76xx_inv_register(struct v4l2_subdev *sd) { … } static int adv76xx_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) { … } static int adv76xx_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { … } #endif static unsigned int adv7604_read_cable_det(struct v4l2_subdev *sd) { … } static unsigned int adv7611_read_cable_det(struct v4l2_subdev *sd) { … } static unsigned int adv7612_read_cable_det(struct v4l2_subdev *sd) { … } static int adv76xx_s_detect_tx_5v_ctrl(struct v4l2_subdev *sd) { … } static int find_and_set_predefined_video_timings(struct v4l2_subdev *sd, u8 prim_mode, const struct adv76xx_video_standards *predef_vid_timings, const struct v4l2_dv_timings *timings) { … } static int configure_predefined_video_timings(struct v4l2_subdev *sd, struct v4l2_dv_timings *timings) { … } static void configure_custom_video_timings(struct v4l2_subdev *sd, const struct v4l2_bt_timings *bt) { … } static void adv76xx_set_offset(struct v4l2_subdev *sd, bool auto_offset, u16 offset_a, u16 offset_b, u16 offset_c) { … } static void adv76xx_set_gain(struct v4l2_subdev *sd, bool auto_gain, u16 gain_a, u16 gain_b, u16 gain_c) { … } static void set_rgb_quantization_range(struct v4l2_subdev *sd) { … } static int adv76xx_s_ctrl(struct v4l2_ctrl *ctrl) { … } static int adv76xx_g_volatile_ctrl(struct v4l2_ctrl *ctrl) { … } /* ----------------------------------------------------------------------- */ static inline bool no_power(struct v4l2_subdev *sd) { … } static inline bool no_signal_tmds(struct v4l2_subdev *sd) { … } static inline bool no_lock_tmds(struct v4l2_subdev *sd) { … } static inline bool is_hdmi(struct v4l2_subdev *sd) { … } static inline bool no_lock_sspd(struct v4l2_subdev *sd) { … } static inline bool no_lock_stdi(struct v4l2_subdev *sd) { … } static inline bool no_signal(struct v4l2_subdev *sd) { … } static inline bool no_lock_cp(struct v4l2_subdev *sd) { … } static inline bool in_free_run(struct v4l2_subdev *sd) { … } static int adv76xx_g_input_status(struct v4l2_subdev *sd, u32 *status) { … } /* ----------------------------------------------------------------------- */ struct stdi_readback { … }; static int stdi2dv_timings(struct v4l2_subdev *sd, struct stdi_readback *stdi, struct v4l2_dv_timings *timings) { … } static int read_stdi(struct v4l2_subdev *sd, struct stdi_readback *stdi) { … } static int adv76xx_enum_dv_timings(struct v4l2_subdev *sd, struct v4l2_enum_dv_timings *timings) { … } static int adv76xx_dv_timings_cap(struct v4l2_subdev *sd, struct v4l2_dv_timings_cap *cap) { … } /* Fill the optional fields .standards and .flags in struct v4l2_dv_timings if the format is listed in adv76xx_timings[] */ static void adv76xx_fill_optional_dv_timings_fields(struct v4l2_subdev *sd, struct v4l2_dv_timings *timings) { … } static unsigned int adv7604_read_hdmi_pixelclock(struct v4l2_subdev *sd) { … } static unsigned int adv7611_read_hdmi_pixelclock(struct v4l2_subdev *sd) { … } static unsigned int adv76xx_read_hdmi_pixelclock(struct v4l2_subdev *sd) { … } static int adv76xx_query_dv_timings(struct v4l2_subdev *sd, unsigned int pad, struct v4l2_dv_timings *timings) { … } static int adv76xx_s_dv_timings(struct v4l2_subdev *sd, unsigned int pad, struct v4l2_dv_timings *timings) { … } static int adv76xx_g_dv_timings(struct v4l2_subdev *sd, unsigned int pad, struct v4l2_dv_timings *timings) { … } static void adv7604_set_termination(struct v4l2_subdev *sd, bool enable) { … } static void adv7611_set_termination(struct v4l2_subdev *sd, bool enable) { … } static void enable_input(struct v4l2_subdev *sd) { … } static void disable_input(struct v4l2_subdev *sd) { … } static void select_input(struct v4l2_subdev *sd) { … } static int adv76xx_s_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config) { … } static int adv76xx_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static void adv76xx_fill_format(struct adv76xx_state *state, struct v4l2_mbus_framefmt *format) { … } /* * Compute the op_ch_sel value required to obtain on the bus the component order * corresponding to the selected format taking into account bus reordering * applied by the board at the output of the device. * * The following table gives the op_ch_value from the format component order * (expressed as op_ch_sel value in column) and the bus reordering (expressed as * adv76xx_bus_order value in row). * * | GBR(0) GRB(1) BGR(2) RGB(3) BRG(4) RBG(5) * ----------+------------------------------------------------- * RGB (NOP) | GBR GRB BGR RGB BRG RBG * GRB (1-2) | BGR RGB GBR GRB RBG BRG * RBG (2-3) | GRB GBR BRG RBG BGR RGB * BGR (1-3) | RBG BRG RGB BGR GRB GBR * BRG (ROR) | BRG RBG GRB GBR RGB BGR * GBR (ROL) | RGB BGR RBG BRG GBR GRB */ static unsigned int adv76xx_op_ch_sel(struct adv76xx_state *state) { … } static void adv76xx_setup_format(struct adv76xx_state *state) { … } static int adv76xx_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } static int adv76xx_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { … } static int adv76xx_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } #if IS_ENABLED(CONFIG_VIDEO_ADV7604_CEC) static void adv76xx_cec_tx_raw_status(struct v4l2_subdev *sd, u8 tx_raw_status) { … } static void adv76xx_cec_isr(struct v4l2_subdev *sd, bool *handled) { … } static int adv76xx_cec_adap_enable(struct cec_adapter *adap, bool enable) { … } static int adv76xx_cec_adap_log_addr(struct cec_adapter *adap, u8 addr) { … } static int adv76xx_cec_adap_transmit(struct cec_adapter *adap, u8 attempts, u32 signal_free_time, struct cec_msg *msg) { … } static const struct cec_adap_ops adv76xx_cec_adap_ops = …; #endif static int adv76xx_isr(struct v4l2_subdev *sd, u32 status, bool *handled) { … } static irqreturn_t adv76xx_irq_handler(int irq, void *dev_id) { … } static int adv76xx_get_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid) { … } static int adv76xx_set_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid) { … } /*********** avi info frame CEA-861-E **************/ static const struct adv76xx_cfg_read_infoframe adv76xx_cri[] = …; static int adv76xx_read_infoframe(struct v4l2_subdev *sd, int index, union hdmi_infoframe *frame) { … } static void adv76xx_log_infoframes(struct v4l2_subdev *sd) { … } static int adv76xx_log_status(struct v4l2_subdev *sd) { … } static int adv76xx_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh, struct v4l2_event_subscription *sub) { … } static int adv76xx_registered(struct v4l2_subdev *sd) { … } static void adv76xx_unregistered(struct v4l2_subdev *sd) { … } /* ----------------------------------------------------------------------- */ static const struct v4l2_ctrl_ops adv76xx_ctrl_ops = …; static const struct v4l2_subdev_core_ops adv76xx_core_ops = …; static const struct v4l2_subdev_video_ops adv76xx_video_ops = …; static const struct v4l2_subdev_pad_ops adv76xx_pad_ops = …; static const struct v4l2_subdev_ops adv76xx_ops = …; static const struct v4l2_subdev_internal_ops adv76xx_int_ops = …; /* -------------------------- custom ctrls ---------------------------------- */ static const struct v4l2_ctrl_config adv7604_ctrl_analog_sampling_phase = …; static const struct v4l2_ctrl_config adv76xx_ctrl_free_run_color_manual = …; static const struct v4l2_ctrl_config adv76xx_ctrl_free_run_color = …; /* ----------------------------------------------------------------------- */ struct adv76xx_register_map { … }; static const struct adv76xx_register_map adv76xx_default_addresses[] = …; static int adv76xx_core_init(struct v4l2_subdev *sd) { … } static void adv7604_setup_irqs(struct v4l2_subdev *sd) { … } static void adv7611_setup_irqs(struct v4l2_subdev *sd) { … } static void adv7612_setup_irqs(struct v4l2_subdev *sd) { … } static void adv76xx_unregister_clients(struct adv76xx_state *state) { … } static struct i2c_client *adv76xx_dummy_client(struct v4l2_subdev *sd, unsigned int page) { … } static const struct adv76xx_reg_seq adv7604_recommended_settings_afe[] = …; static const struct adv76xx_reg_seq adv7604_recommended_settings_hdmi[] = …; static const struct adv76xx_reg_seq adv7611_recommended_settings_hdmi[] = …; static const struct adv76xx_reg_seq adv7612_recommended_settings_hdmi[] = …; static const struct adv76xx_chip_info adv76xx_chip_info[] = …; static const struct i2c_device_id adv76xx_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, adv76xx_i2c_id); static const struct of_device_id adv76xx_of_id[] __maybe_unused = …; MODULE_DEVICE_TABLE(of, adv76xx_of_id); static int adv76xx_parse_dt(struct adv76xx_state *state) { … } static const struct regmap_config adv76xx_regmap_cnf[] = …; static int configure_regmap(struct adv76xx_state *state, int region) { … } static int configure_regmaps(struct adv76xx_state *state) { … } static void adv76xx_reset(struct adv76xx_state *state) { … } static int adv76xx_probe(struct i2c_client *client) { … } /* ----------------------------------------------------------------------- */ static void adv76xx_remove(struct i2c_client *client) { … } /* ----------------------------------------------------------------------- */ static struct i2c_driver adv76xx_driver = …; module_i2c_driver(…) …;
Codebase Browser
linux