| // 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(debug, "debug level (0-2)"); |
| |
| MODULE_DESCRIPTION("Analog Devices ADV7604 video decoder driver"); |
| MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com>"); |
| MODULE_AUTHOR("Mats Randgaard <mats.randgaard@cisco.com>"); |
| MODULE_LICENSE("GPL"); |
| |
| /* ADV7604 system clock frequency */ |
| #define ADV76XX_FSC (28636360) |
| |
| #define ADV76XX_RGB_OUT (1 << 1) |
| |
| #define ADV76XX_OP_FORMAT_SEL_8BIT (0 << 0) |
| #define ADV7604_OP_FORMAT_SEL_10BIT (1 << 0) |
| #define ADV76XX_OP_FORMAT_SEL_12BIT (2 << 0) |
| |
| #define ADV76XX_OP_MODE_SEL_SDR_422 (0 << 5) |
| #define ADV7604_OP_MODE_SEL_DDR_422 (1 << 5) |
| #define ADV76XX_OP_MODE_SEL_SDR_444 (2 << 5) |
| #define ADV7604_OP_MODE_SEL_DDR_444 (3 << 5) |
| #define ADV76XX_OP_MODE_SEL_SDR_422_2X (4 << 5) |
| #define ADV7604_OP_MODE_SEL_ADI_CM (5 << 5) |
| |
| #define ADV76XX_OP_CH_SEL_GBR (0 << 5) |
| #define ADV76XX_OP_CH_SEL_GRB (1 << 5) |
| #define ADV76XX_OP_CH_SEL_BGR (2 << 5) |
| #define ADV76XX_OP_CH_SEL_RGB (3 << 5) |
| #define ADV76XX_OP_CH_SEL_BRG (4 << 5) |
| #define ADV76XX_OP_CH_SEL_RBG (5 << 5) |
| |
| #define ADV76XX_OP_SWAP_CB_CR (1 << 0) |
| |
| #define ADV76XX_MAX_ADDRS (3) |
| |
| enum adv76xx_type { |
| ADV7604, |
| ADV7611, |
| ADV7612, |
| }; |
| |
| struct adv76xx_reg_seq { |
| unsigned int reg; |
| u8 val; |
| }; |
| |
| struct adv76xx_format_info { |
| u32 code; |
| u8 op_ch_sel; |
| bool rgb_out; |
| bool swap_cb_cr; |
| u8 op_format_sel; |
| }; |
| |
| struct adv76xx_cfg_read_infoframe { |
| const char *desc; |
| u8 present_mask; |
| u8 head_addr; |
| u8 payload_addr; |
| }; |
| |
| struct adv76xx_chip_info { |
| enum adv76xx_type type; |
| |
| bool has_afe; |
| unsigned int max_port; |
| unsigned int num_dv_ports; |
| |
| unsigned int edid_enable_reg; |
| unsigned int edid_status_reg; |
| unsigned int lcf_reg; |
| |
| unsigned int cable_det_mask; |
| unsigned int tdms_lock_mask; |
| unsigned int fmt_change_digital_mask; |
| unsigned int cp_csc; |
| |
| unsigned int cec_irq_status; |
| unsigned int cec_rx_enable; |
| unsigned int cec_rx_enable_mask; |
| bool cec_irq_swap; |
| |
| const struct adv76xx_format_info *formats; |
| unsigned int nformats; |
| |
| void (*set_termination)(struct v4l2_subdev *sd, bool enable); |
| void (*setup_irqs)(struct v4l2_subdev *sd); |
| unsigned int (*read_hdmi_pixelclock)(struct v4l2_subdev *sd); |
| unsigned int (*read_cable_det)(struct v4l2_subdev *sd); |
| |
| /* 0 = AFE, 1 = HDMI */ |
| const struct adv76xx_reg_seq *recommended_settings[2]; |
| unsigned int num_recommended_settings[2]; |
| |
| unsigned long page_mask; |
| |
| /* Masks for timings */ |
| unsigned int linewidth_mask; |
| unsigned int field0_height_mask; |
| unsigned int field1_height_mask; |
| unsigned int hfrontporch_mask; |
| unsigned int hsync_mask; |
| unsigned int hbackporch_mask; |
| unsigned int field0_vfrontporch_mask; |
| unsigned int field1_vfrontporch_mask; |
| unsigned int field0_vsync_mask; |
| unsigned int field1_vsync_mask; |
| unsigned int field0_vbackporch_mask; |
| unsigned int field1_vbackporch_mask; |
| }; |
| |
| /* |
| ********************************************************************** |
| * |
| * Arrays with configuration parameters for the ADV7604 |
| * |
| ********************************************************************** |
| */ |
| |
| struct adv76xx_state { |
| const struct adv76xx_chip_info *info; |
| struct adv76xx_platform_data pdata; |
| |
| struct gpio_desc *hpd_gpio[4]; |
| struct gpio_desc *reset_gpio; |
| |
| struct v4l2_subdev sd; |
| struct media_pad pads[ADV76XX_PAD_MAX]; |
| unsigned int source_pad; |
| |
| struct v4l2_ctrl_handler hdl; |
| |
| enum adv76xx_pad selected_input; |
| |
| struct v4l2_dv_timings timings; |
| const struct adv76xx_format_info *format; |
| |
| struct { |
| u8 edid[256]; |
| u32 present; |
| unsigned blocks; |
| } edid; |
| u16 spa_port_a[2]; |
| struct v4l2_fract aspect_ratio; |
| u32 rgb_quantization_range; |
| struct delayed_work delayed_work_enable_hotplug; |
| bool restart_stdi_once; |
| |
| /* CEC */ |
| struct cec_adapter *cec_adap; |
| u8 cec_addr[ADV76XX_MAX_ADDRS]; |
| u8 cec_valid_addrs; |
| bool cec_enabled_adap; |
| |
| /* i2c clients */ |
| struct i2c_client *i2c_clients[ADV76XX_PAGE_MAX]; |
| |
| /* Regmaps */ |
| struct regmap *regmap[ADV76XX_PAGE_MAX]; |
| |
| /* controls */ |
| struct v4l2_ctrl *detect_tx_5v_ctrl; |
| struct v4l2_ctrl *analog_sampling_phase_ctrl; |
| struct v4l2_ctrl *free_run_color_manual_ctrl; |
| struct v4l2_ctrl *free_run_color_ctrl; |
| struct v4l2_ctrl *rgb_quantization_range_ctrl; |
| }; |
| |
| static bool adv76xx_has_afe(struct adv76xx_state *state) |
| { |
| return state->info->has_afe; |
| } |
| |
| /* Unsupported timings. This device cannot support 720p30. */ |
| static const struct v4l2_dv_timings adv76xx_timings_exceptions[] = { |
| V4L2_DV_BT_CEA_1280X720P30, |
| { } |
| }; |
| |
| static bool adv76xx_check_dv_timings(const struct v4l2_dv_timings *t, void *hdl) |
| { |
| int i; |
| |
| for (i = 0; adv76xx_timings_exceptions[i].bt.width; i++) |
| if (v4l2_match_dv_timings(t, adv76xx_timings_exceptions + i, 0, false)) |
| return false; |
| return true; |
| } |
| |
| struct adv76xx_video_standards { |
| struct v4l2_dv_timings timings; |
| u8 vid_std; |
| u8 v_freq; |
| }; |
| |
| /* sorted by number of lines */ |
| static const struct adv76xx_video_standards adv7604_prim_mode_comp[] = { |
| /* { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 }, TODO flickering */ |
| { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 }, |
| { V4L2_DV_BT_CEA_1280X720P50, 0x19, 0x01 }, |
| { V4L2_DV_BT_CEA_1280X720P60, 0x19, 0x00 }, |
| { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 }, |
| { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 }, |
| { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 }, |
| { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 }, |
| { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 }, |
| /* TODO add 1920x1080P60_RB (CVT timing) */ |
| { }, |
| }; |
| |
| /* sorted by number of lines */ |
| static const struct adv76xx_video_standards adv7604_prim_mode_gr[] = { |
| { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 }, |
| { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 }, |
| { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 }, |
| { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 }, |
| { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 }, |
| { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 }, |
| { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 }, |
| { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 }, |
| { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 }, |
| { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 }, |
| { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 }, |
| { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 }, |
| { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 }, |
| { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 }, |
| { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 }, |
| { V4L2_DV_BT_DMT_1360X768P60, 0x12, 0x00 }, |
| { V4L2_DV_BT_DMT_1366X768P60, 0x13, 0x00 }, |
| { V4L2_DV_BT_DMT_1400X1050P60, 0x14, 0x00 }, |
| { V4L2_DV_BT_DMT_1400X1050P75, 0x15, 0x00 }, |
| { V4L2_DV_BT_DMT_1600X1200P60, 0x16, 0x00 }, /* TODO not tested */ |
| /* TODO add 1600X1200P60_RB (not a DMT timing) */ |
| { V4L2_DV_BT_DMT_1680X1050P60, 0x18, 0x00 }, |
| { V4L2_DV_BT_DMT_1920X1200P60_RB, 0x19, 0x00 }, /* TODO not tested */ |
| { }, |
| }; |
| |
| /* sorted by number of lines */ |
| static const struct adv76xx_video_standards adv76xx_prim_mode_hdmi_comp[] = { |
| { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 }, |
| { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 }, |
| { V4L2_DV_BT_CEA_1280X720P50, 0x13, 0x01 }, |
| { V4L2_DV_BT_CEA_1280X720P60, 0x13, 0x00 }, |
| { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 }, |
| { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 }, |
| { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 }, |
| { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 }, |
| { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 }, |
| { }, |
| }; |
| |
| /* sorted by number of lines */ |
| static const struct adv76xx_video_standards adv76xx_prim_mode_hdmi_gr[] = { |
| { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 }, |
| { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 }, |
| { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 }, |
| { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 }, |
| { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 }, |
| { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 }, |
| { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 }, |
| { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 }, |
| { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 }, |
| { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 }, |
| { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 }, |
| { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 }, |
| { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 }, |
| { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 }, |
| { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 }, |
| { }, |
| }; |
| |
| static const struct v4l2_event adv76xx_ev_fmt = { |
| .type = V4L2_EVENT_SOURCE_CHANGE, |
| .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION, |
| }; |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static inline struct adv76xx_state *to_state(struct v4l2_subdev *sd) |
| { |
| return container_of(sd, struct adv76xx_state, sd); |
| } |
| |
| static inline unsigned htotal(const struct v4l2_bt_timings *t) |
| { |
| return V4L2_DV_BT_FRAME_WIDTH(t); |
| } |
| |
| static inline unsigned vtotal(const struct v4l2_bt_timings *t) |
| { |
| return V4L2_DV_BT_FRAME_HEIGHT(t); |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static int adv76xx_read_check(struct adv76xx_state *state, |
| int client_page, u8 reg) |
| { |
| struct i2c_client *client = state->i2c_clients[client_page]; |
| int err; |
| unsigned int val; |
| |
| err = regmap_read(state->regmap[client_page], reg, &val); |
| |
| if (err) { |
| v4l_err(client, "error reading %02x, %02x\n", |
| client->addr, reg); |
| return err; |
| } |
| return val; |
| } |
| |
| /* 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) |
| { |
| struct regmap *regmap = state->regmap[client_page]; |
| |
| if (val_len > I2C_SMBUS_BLOCK_MAX) |
| val_len = I2C_SMBUS_BLOCK_MAX; |
| |
| return regmap_raw_write(regmap, init_reg, val, val_len); |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static inline int io_read(struct v4l2_subdev *sd, u8 reg) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return adv76xx_read_check(state, ADV76XX_PAGE_IO, reg); |
| } |
| |
| static inline int io_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return regmap_write(state->regmap[ADV76XX_PAGE_IO], reg, val); |
| } |
| |
| static inline int io_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, |
| u8 val) |
| { |
| return io_write(sd, reg, (io_read(sd, reg) & ~mask) | val); |
| } |
| |
| static inline int avlink_read(struct v4l2_subdev *sd, u8 reg) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return adv76xx_read_check(state, ADV7604_PAGE_AVLINK, reg); |
| } |
| |
| static inline int avlink_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return regmap_write(state->regmap[ADV7604_PAGE_AVLINK], reg, val); |
| } |
| |
| static inline int cec_read(struct v4l2_subdev *sd, u8 reg) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return adv76xx_read_check(state, ADV76XX_PAGE_CEC, reg); |
| } |
| |
| static inline int cec_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return regmap_write(state->regmap[ADV76XX_PAGE_CEC], reg, val); |
| } |
| |
| static inline int cec_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, |
| u8 val) |
| { |
| return cec_write(sd, reg, (cec_read(sd, reg) & ~mask) | val); |
| } |
| |
| static inline int infoframe_read(struct v4l2_subdev *sd, u8 reg) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return adv76xx_read_check(state, ADV76XX_PAGE_INFOFRAME, reg); |
| } |
| |
| static inline int infoframe_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return regmap_write(state->regmap[ADV76XX_PAGE_INFOFRAME], reg, val); |
| } |
| |
| static inline int afe_read(struct v4l2_subdev *sd, u8 reg) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return adv76xx_read_check(state, ADV76XX_PAGE_AFE, reg); |
| } |
| |
| static inline int afe_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return regmap_write(state->regmap[ADV76XX_PAGE_AFE], reg, val); |
| } |
| |
| static inline int rep_read(struct v4l2_subdev *sd, u8 reg) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return adv76xx_read_check(state, ADV76XX_PAGE_REP, reg); |
| } |
| |
| static inline int rep_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return regmap_write(state->regmap[ADV76XX_PAGE_REP], reg, val); |
| } |
| |
| static inline int rep_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
| { |
| return rep_write(sd, reg, (rep_read(sd, reg) & ~mask) | val); |
| } |
| |
| static inline int edid_read(struct v4l2_subdev *sd, u8 reg) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return adv76xx_read_check(state, ADV76XX_PAGE_EDID, reg); |
| } |
| |
| static inline int edid_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return regmap_write(state->regmap[ADV76XX_PAGE_EDID], reg, val); |
| } |
| |
| static inline int edid_write_block(struct v4l2_subdev *sd, |
| unsigned int total_len, const u8 *val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| int err = 0; |
| int i = 0; |
| int len = 0; |
| |
| v4l2_dbg(2, debug, sd, "%s: write EDID block (%d byte)\n", |
| __func__, total_len); |
| |
| while (!err && i < total_len) { |
| len = (total_len - i) > I2C_SMBUS_BLOCK_MAX ? |
| I2C_SMBUS_BLOCK_MAX : |
| (total_len - i); |
| |
| err = adv76xx_write_block(state, ADV76XX_PAGE_EDID, |
| i, val + i, len); |
| i += len; |
| } |
| |
| return err; |
| } |
| |
| static void adv76xx_set_hpd(struct adv76xx_state *state, unsigned int hpd) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < state->info->num_dv_ports; ++i) |
| gpiod_set_value_cansleep(state->hpd_gpio[i], hpd & BIT(i)); |
| |
| v4l2_subdev_notify(&state->sd, ADV76XX_HOTPLUG, &hpd); |
| } |
| |
| static void adv76xx_delayed_work_enable_hotplug(struct work_struct *work) |
| { |
| struct delayed_work *dwork = to_delayed_work(work); |
| struct adv76xx_state *state = container_of(dwork, struct adv76xx_state, |
| delayed_work_enable_hotplug); |
| struct v4l2_subdev *sd = &state->sd; |
| |
| v4l2_dbg(2, debug, sd, "%s: enable hotplug\n", __func__); |
| |
| adv76xx_set_hpd(state, state->edid.present); |
| } |
| |
| static inline int hdmi_read(struct v4l2_subdev *sd, u8 reg) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return adv76xx_read_check(state, ADV76XX_PAGE_HDMI, reg); |
| } |
| |
| static u16 hdmi_read16(struct v4l2_subdev *sd, u8 reg, u16 mask) |
| { |
| return ((hdmi_read(sd, reg) << 8) | hdmi_read(sd, reg + 1)) & mask; |
| } |
| |
| static inline int hdmi_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return regmap_write(state->regmap[ADV76XX_PAGE_HDMI], reg, val); |
| } |
| |
| static inline int hdmi_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
| { |
| return hdmi_write(sd, reg, (hdmi_read(sd, reg) & ~mask) | val); |
| } |
| |
| static inline int test_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return regmap_write(state->regmap[ADV76XX_PAGE_TEST], reg, val); |
| } |
| |
| static inline int cp_read(struct v4l2_subdev *sd, u8 reg) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return adv76xx_read_check(state, ADV76XX_PAGE_CP, reg); |
| } |
| |
| static u16 cp_read16(struct v4l2_subdev *sd, u8 reg, u16 mask) |
| { |
| return ((cp_read(sd, reg) << 8) | cp_read(sd, reg + 1)) & mask; |
| } |
| |
| static inline int cp_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return regmap_write(state->regmap[ADV76XX_PAGE_CP], reg, val); |
| } |
| |
| static inline int cp_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
| { |
| return cp_write(sd, reg, (cp_read(sd, reg) & ~mask) | val); |
| } |
| |
| static inline int vdp_read(struct v4l2_subdev *sd, u8 reg) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return adv76xx_read_check(state, ADV7604_PAGE_VDP, reg); |
| } |
| |
| static inline int vdp_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return regmap_write(state->regmap[ADV7604_PAGE_VDP], reg, val); |
| } |
| |
| #define ADV76XX_REG(page, offset) (((page) << 8) | (offset)) |
| #define ADV76XX_REG_SEQ_TERM 0xffff |
| |
| #ifdef CONFIG_VIDEO_ADV_DEBUG |
| static int adv76xx_read_reg(struct v4l2_subdev *sd, unsigned int reg) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| unsigned int page = reg >> 8; |
| unsigned int val; |
| int err; |
| |
| if (page >= ADV76XX_PAGE_MAX || !(BIT(page) & state->info->page_mask)) |
| return -EINVAL; |
| |
| reg &= 0xff; |
| err = regmap_read(state->regmap[page], reg, &val); |
| |
| return err ? err : val; |
| } |
| #endif |
| |
| static int adv76xx_write_reg(struct v4l2_subdev *sd, unsigned int reg, u8 val) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| unsigned int page = reg >> 8; |
| |
| if (page >= ADV76XX_PAGE_MAX || !(BIT(page) & state->info->page_mask)) |
| return -EINVAL; |
| |
| reg &= 0xff; |
| |
| return regmap_write(state->regmap[page], reg, val); |
| } |
| |
| static void adv76xx_write_reg_seq(struct v4l2_subdev *sd, |
| const struct adv76xx_reg_seq *reg_seq) |
| { |
| unsigned int i; |
| |
| for (i = 0; reg_seq[i].reg != ADV76XX_REG_SEQ_TERM; i++) |
| adv76xx_write_reg(sd, reg_seq[i].reg, reg_seq[i].val); |
| } |
| |
| /* ----------------------------------------------------------------------------- |
| * Format helpers |
| */ |
| |
| static const struct adv76xx_format_info adv7604_formats[] = { |
| { MEDIA_BUS_FMT_RGB888_1X24, ADV76XX_OP_CH_SEL_RGB, true, false, |
| ADV76XX_OP_MODE_SEL_SDR_444 | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YUYV8_2X8, ADV76XX_OP_CH_SEL_RGB, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YVYU8_2X8, ADV76XX_OP_CH_SEL_RGB, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YUYV10_2X10, ADV76XX_OP_CH_SEL_RGB, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422 | ADV7604_OP_FORMAT_SEL_10BIT }, |
| { MEDIA_BUS_FMT_YVYU10_2X10, ADV76XX_OP_CH_SEL_RGB, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422 | ADV7604_OP_FORMAT_SEL_10BIT }, |
| { MEDIA_BUS_FMT_YUYV12_2X12, ADV76XX_OP_CH_SEL_RGB, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_12BIT }, |
| { MEDIA_BUS_FMT_YVYU12_2X12, ADV76XX_OP_CH_SEL_RGB, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_12BIT }, |
| { MEDIA_BUS_FMT_UYVY8_1X16, ADV76XX_OP_CH_SEL_RBG, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_VYUY8_1X16, ADV76XX_OP_CH_SEL_RBG, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YUYV8_1X16, ADV76XX_OP_CH_SEL_RGB, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YVYU8_1X16, ADV76XX_OP_CH_SEL_RGB, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_UYVY10_1X20, ADV76XX_OP_CH_SEL_RBG, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV7604_OP_FORMAT_SEL_10BIT }, |
| { MEDIA_BUS_FMT_VYUY10_1X20, ADV76XX_OP_CH_SEL_RBG, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV7604_OP_FORMAT_SEL_10BIT }, |
| { MEDIA_BUS_FMT_YUYV10_1X20, ADV76XX_OP_CH_SEL_RGB, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV7604_OP_FORMAT_SEL_10BIT }, |
| { MEDIA_BUS_FMT_YVYU10_1X20, ADV76XX_OP_CH_SEL_RGB, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV7604_OP_FORMAT_SEL_10BIT }, |
| { MEDIA_BUS_FMT_UYVY12_1X24, ADV76XX_OP_CH_SEL_RBG, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, |
| { MEDIA_BUS_FMT_VYUY12_1X24, ADV76XX_OP_CH_SEL_RBG, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, |
| { MEDIA_BUS_FMT_YUYV12_1X24, ADV76XX_OP_CH_SEL_RGB, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, |
| { MEDIA_BUS_FMT_YVYU12_1X24, ADV76XX_OP_CH_SEL_RGB, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, |
| }; |
| |
| static const struct adv76xx_format_info adv7611_formats[] = { |
| { MEDIA_BUS_FMT_RGB888_1X24, ADV76XX_OP_CH_SEL_RGB, true, false, |
| ADV76XX_OP_MODE_SEL_SDR_444 | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YUYV8_2X8, ADV76XX_OP_CH_SEL_RGB, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YVYU8_2X8, ADV76XX_OP_CH_SEL_RGB, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YUYV12_2X12, ADV76XX_OP_CH_SEL_RGB, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_12BIT }, |
| { MEDIA_BUS_FMT_YVYU12_2X12, ADV76XX_OP_CH_SEL_RGB, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_12BIT }, |
| { MEDIA_BUS_FMT_UYVY8_1X16, ADV76XX_OP_CH_SEL_RBG, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_VYUY8_1X16, ADV76XX_OP_CH_SEL_RBG, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YUYV8_1X16, ADV76XX_OP_CH_SEL_RGB, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YVYU8_1X16, ADV76XX_OP_CH_SEL_RGB, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_UYVY12_1X24, ADV76XX_OP_CH_SEL_RBG, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, |
| { MEDIA_BUS_FMT_VYUY12_1X24, ADV76XX_OP_CH_SEL_RBG, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, |
| { MEDIA_BUS_FMT_YUYV12_1X24, ADV76XX_OP_CH_SEL_RGB, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, |
| { MEDIA_BUS_FMT_YVYU12_1X24, ADV76XX_OP_CH_SEL_RGB, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, |
| }; |
| |
| static const struct adv76xx_format_info adv7612_formats[] = { |
| { MEDIA_BUS_FMT_RGB888_1X24, ADV76XX_OP_CH_SEL_RGB, true, false, |
| ADV76XX_OP_MODE_SEL_SDR_444 | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YUYV8_2X8, ADV76XX_OP_CH_SEL_RGB, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YVYU8_2X8, ADV76XX_OP_CH_SEL_RGB, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_UYVY8_1X16, ADV76XX_OP_CH_SEL_RBG, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_VYUY8_1X16, ADV76XX_OP_CH_SEL_RBG, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YUYV8_1X16, ADV76XX_OP_CH_SEL_RGB, false, false, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| { MEDIA_BUS_FMT_YVYU8_1X16, ADV76XX_OP_CH_SEL_RGB, false, true, |
| ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, |
| }; |
| |
| static const struct adv76xx_format_info * |
| adv76xx_format_info(struct adv76xx_state *state, u32 code) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < state->info->nformats; ++i) { |
| if (state->info->formats[i].code == code) |
| return &state->info->formats[i]; |
| } |
| |
| return NULL; |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static inline bool is_analog_input(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return state->selected_input == ADV7604_PAD_VGA_RGB || |
| state->selected_input == ADV7604_PAD_VGA_COMP; |
| } |
| |
| static inline bool is_digital_input(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return state->selected_input == ADV76XX_PAD_HDMI_PORT_A || |
| state->selected_input == ADV7604_PAD_HDMI_PORT_B || |
| state->selected_input == ADV7604_PAD_HDMI_PORT_C || |
| state->selected_input == ADV7604_PAD_HDMI_PORT_D; |
| } |
| |
| static const struct v4l2_dv_timings_cap adv7604_timings_cap_analog = { |
| .type = V4L2_DV_BT_656_1120, |
| /* keep this initialization for compatibility with GCC < 4.4.6 */ |
| .reserved = { 0 }, |
| V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 170000000, |
| V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | |
| V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT, |
| V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING | |
| V4L2_DV_BT_CAP_CUSTOM) |
| }; |
| |
| static const struct v4l2_dv_timings_cap adv76xx_timings_cap_digital = { |
| .type = V4L2_DV_BT_656_1120, |
| /* keep this initialization for compatibility with GCC < 4.4.6 */ |
| .reserved = { 0 }, |
| V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 225000000, |
| V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | |
| V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT, |
| V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING | |
| V4L2_DV_BT_CAP_CUSTOM) |
| }; |
| |
| /* |
| * 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) |
| { |
| if (pad == -1) { |
| struct adv76xx_state *state = to_state(sd); |
| |
| pad = state->selected_input; |
| } |
| |
| switch (pad) { |
| case ADV76XX_PAD_HDMI_PORT_A: |
| case ADV7604_PAD_HDMI_PORT_B: |
| case ADV7604_PAD_HDMI_PORT_C: |
| case ADV7604_PAD_HDMI_PORT_D: |
| return &adv76xx_timings_cap_digital; |
| |
| case ADV7604_PAD_VGA_RGB: |
| case ADV7604_PAD_VGA_COMP: |
| default: |
| return &adv7604_timings_cap_analog; |
| } |
| } |
| |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| #ifdef CONFIG_VIDEO_ADV_DEBUG |
| static void adv76xx_inv_register(struct v4l2_subdev *sd) |
| { |
| v4l2_info(sd, "0x000-0x0ff: IO Map\n"); |
| v4l2_info(sd, "0x100-0x1ff: AVLink Map\n"); |
| v4l2_info(sd, "0x200-0x2ff: CEC Map\n"); |
| v4l2_info(sd, "0x300-0x3ff: InfoFrame Map\n"); |
| v4l2_info(sd, "0x400-0x4ff: ESDP Map\n"); |
| v4l2_info(sd, "0x500-0x5ff: DPP Map\n"); |
| v4l2_info(sd, "0x600-0x6ff: AFE Map\n"); |
| v4l2_info(sd, "0x700-0x7ff: Repeater Map\n"); |
| v4l2_info(sd, "0x800-0x8ff: EDID Map\n"); |
| v4l2_info(sd, "0x900-0x9ff: HDMI Map\n"); |
| v4l2_info(sd, "0xa00-0xaff: Test Map\n"); |
| v4l2_info(sd, "0xb00-0xbff: CP Map\n"); |
| v4l2_info(sd, "0xc00-0xcff: VDP Map\n"); |
| } |
| |
| static int adv76xx_g_register(struct v4l2_subdev *sd, |
| struct v4l2_dbg_register *reg) |
| { |
| int ret; |
| |
| ret = adv76xx_read_reg(sd, reg->reg); |
| if (ret < 0) { |
| v4l2_info(sd, "Register %03llx not supported\n", reg->reg); |
| adv76xx_inv_register(sd); |
| return ret; |
| } |
| |
| reg->size = 1; |
| reg->val = ret; |
| |
| return 0; |
| } |
| |
| static int adv76xx_s_register(struct v4l2_subdev *sd, |
| const struct v4l2_dbg_register *reg) |
| { |
| int ret; |
| |
| ret = adv76xx_write_reg(sd, reg->reg, reg->val); |
| if (ret < 0) { |
| v4l2_info(sd, "Register %03llx not supported\n", reg->reg); |
| adv76xx_inv_register(sd); |
| return ret; |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| static unsigned int adv7604_read_cable_det(struct v4l2_subdev *sd) |
| { |
| u8 value = io_read(sd, 0x6f); |
| |
| return ((value & 0x10) >> 4) |
| | ((value & 0x08) >> 2) |
| | ((value & 0x04) << 0) |
| | ((value & 0x02) << 2); |
| } |
| |
| static unsigned int adv7611_read_cable_det(struct v4l2_subdev *sd) |
| { |
| u8 value = io_read(sd, 0x6f); |
| |
| return value & 1; |
| } |
| |
| static unsigned int adv7612_read_cable_det(struct v4l2_subdev *sd) |
| { |
| /* Reads CABLE_DET_A_RAW. For input B support, need to |
| * account for bit 7 [MSB] of 0x6a (ie. CABLE_DET_B_RAW) |
| */ |
| u8 value = io_read(sd, 0x6f); |
| |
| return value & 1; |
| } |
| |
| static int adv76xx_s_detect_tx_5v_ctrl(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| const struct adv76xx_chip_info *info = state->info; |
| u16 cable_det = info->read_cable_det(sd); |
| |
| return v4l2_ctrl_s_ctrl(state->detect_tx_5v_ctrl, cable_det); |
| } |
| |
| 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) |
| { |
| int i; |
| |
| for (i = 0; predef_vid_timings[i].timings.bt.width; i++) { |
| if (!v4l2_match_dv_timings(timings, &predef_vid_timings[i].timings, |
| is_digital_input(sd) ? 250000 : 1000000, false)) |
| continue; |
| io_write(sd, 0x00, predef_vid_timings[i].vid_std); /* video std */ |
| io_write(sd, 0x01, (predef_vid_timings[i].v_freq << 4) + |
| prim_mode); /* v_freq and prim mode */ |
| return 0; |
| } |
| |
| return -1; |
| } |
| |
| static int configure_predefined_video_timings(struct v4l2_subdev *sd, |
| struct v4l2_dv_timings *timings) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| int err; |
| |
| v4l2_dbg(1, debug, sd, "%s", __func__); |
| |
| if (adv76xx_has_afe(state)) { |
| /* reset to default values */ |
| io_write(sd, 0x16, 0x43); |
| io_write(sd, 0x17, 0x5a); |
| } |
| /* disable embedded syncs for auto graphics mode */ |
| cp_write_clr_set(sd, 0x81, 0x10, 0x00); |
| cp_write(sd, 0x8f, 0x00); |
| cp_write(sd, 0x90, 0x00); |
| cp_write(sd, 0xa2, 0x00); |
| cp_write(sd, 0xa3, 0x00); |
| cp_write(sd, 0xa4, 0x00); |
| cp_write(sd, 0xa5, 0x00); |
| cp_write(sd, 0xa6, 0x00); |
| cp_write(sd, 0xa7, 0x00); |
| cp_write(sd, 0xab, 0x00); |
| cp_write(sd, 0xac, 0x00); |
| |
| if (is_analog_input(sd)) { |
| err = find_and_set_predefined_video_timings(sd, |
| 0x01, adv7604_prim_mode_comp, timings); |
| if (err) |
| err = find_and_set_predefined_video_timings(sd, |
| 0x02, adv7604_prim_mode_gr, timings); |
| } else if (is_digital_input(sd)) { |
| err = find_and_set_predefined_video_timings(sd, |
| 0x05, adv76xx_prim_mode_hdmi_comp, timings); |
| if (err) |
| err = find_and_set_predefined_video_timings(sd, |
| 0x06, adv76xx_prim_mode_hdmi_gr, timings); |
| } else { |
| v4l2_dbg(2, debug, sd, "%s: Unknown port %d selected\n", |
| __func__, state->selected_input); |
| err = -1; |
| } |
| |
| |
| return err; |
| } |
| |
| static void configure_custom_video_timings(struct v4l2_subdev *sd, |
| const struct v4l2_bt_timings *bt) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| u32 width = htotal(bt); |
| u32 height = vtotal(bt); |
| u16 cp_start_sav = bt->hsync + bt->hbackporch - 4; |
| u16 cp_start_eav = width - bt->hfrontporch; |
| u16 cp_start_vbi = height - bt->vfrontporch; |
| u16 cp_end_vbi = bt->vsync + bt->vbackporch; |
| u16 ch1_fr_ll = (((u32)bt->pixelclock / 100) > 0) ? |
| ((width * (ADV76XX_FSC / 100)) / ((u32)bt->pixelclock / 100)) : 0; |
| const u8 pll[2] = { |
| 0xc0 | ((width >> 8) & 0x1f), |
| width & 0xff |
| }; |
| |
| v4l2_dbg(2, debug, sd, "%s\n", __func__); |
| |
| if (is_analog_input(sd)) { |
| /* auto graphics */ |
| io_write(sd, 0x00, 0x07); /* video std */ |
| io_write(sd, 0x01, 0x02); /* prim mode */ |
| /* enable embedded syncs for auto graphics mode */ |
| cp_write_clr_set(sd, 0x81, 0x10, 0x10); |
| |
| /* Should only be set in auto-graphics mode [REF_02, p. 91-92] */ |
| /* setup PLL_DIV_MAN_EN and PLL_DIV_RATIO */ |
| /* IO-map reg. 0x16 and 0x17 should be written in sequence */ |
| if (regmap_raw_write(state->regmap[ADV76XX_PAGE_IO], |
| 0x16, pll, 2)) |
| v4l2_err(sd, "writing to reg 0x16 and 0x17 failed\n"); |
| |
| /* active video - horizontal timing */ |
| cp_write(sd, 0xa2, (cp_start_sav >> 4) & 0xff); |
| cp_write(sd, 0xa3, ((cp_start_sav & 0x0f) << 4) | |
| ((cp_start_eav >> 8) & 0x0f)); |
| cp_write(sd, 0xa4, cp_start_eav & 0xff); |
| |
| /* active video - vertical timing */ |
| cp_write(sd, 0xa5, (cp_start_vbi >> 4) & 0xff); |
| cp_write(sd, 0xa6, ((cp_start_vbi & 0xf) << 4) | |
| ((cp_end_vbi >> 8) & 0xf)); |
| cp_write(sd, 0xa7, cp_end_vbi & 0xff); |
| } else if (is_digital_input(sd)) { |
| /* set default prim_mode/vid_std for HDMI |
| according to [REF_03, c. 4.2] */ |
| io_write(sd, 0x00, 0x02); /* video std */ |
| io_write(sd, 0x01, 0x06); /* prim mode */ |
| } else { |
| v4l2_dbg(2, debug, sd, "%s: Unknown port %d selected\n", |
| __func__, state->selected_input); |
| } |
| |
| cp_write(sd, 0x8f, (ch1_fr_ll >> 8) & 0x7); |
| cp_write(sd, 0x90, ch1_fr_ll & 0xff); |
| cp_write(sd, 0xab, (height >> 4) & 0xff); |
| cp_write(sd, 0xac, (height & 0x0f) << 4); |
| } |
| |
| static void adv76xx_set_offset(struct v4l2_subdev *sd, bool auto_offset, u16 offset_a, u16 offset_b, u16 offset_c) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| u8 offset_buf[4]; |
| |
| if (auto_offset) { |
| offset_a = 0x3ff; |
| offset_b = 0x3ff; |
| offset_c = 0x3ff; |
| } |
| |
| v4l2_dbg(2, debug, sd, "%s: %s offset: a = 0x%x, b = 0x%x, c = 0x%x\n", |
| __func__, auto_offset ? "Auto" : "Manual", |
| offset_a, offset_b, offset_c); |
| |
| offset_buf[0] = (cp_read(sd, 0x77) & 0xc0) | ((offset_a & 0x3f0) >> 4); |
| offset_buf[1] = ((offset_a & 0x00f) << 4) | ((offset_b & 0x3c0) >> 6); |
| offset_buf[2] = ((offset_b & 0x03f) << 2) | ((offset_c & 0x300) >> 8); |
| offset_buf[3] = offset_c & 0x0ff; |
| |
| /* Registers must be written in this order with no i2c access in between */ |
| if (regmap_raw_write(state->regmap[ADV76XX_PAGE_CP], |
| 0x77, offset_buf, 4)) |
| v4l2_err(sd, "%s: i2c error writing to CP reg 0x77, 0x78, 0x79, 0x7a\n", __func__); |
| } |
| |
| static void adv76xx_set_gain(struct v4l2_subdev *sd, bool auto_gain, u16 gain_a, u16 gain_b, u16 gain_c) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| u8 gain_buf[4]; |
| u8 gain_man = 1; |
| u8 agc_mode_man = 1; |
| |
| if (auto_gain) { |
| gain_man = 0; |
| agc_mode_man = 0; |
| gain_a = 0x100; |
| gain_b = 0x100; |
| gain_c = 0x100; |
| } |
| |
| v4l2_dbg(2, debug, sd, "%s: %s gain: a = 0x%x, b = 0x%x, c = 0x%x\n", |
| __func__, auto_gain ? "Auto" : "Manual", |
| gain_a, gain_b, gain_c); |
| |
| gain_buf[0] = ((gain_man << 7) | (agc_mode_man << 6) | ((gain_a & 0x3f0) >> 4)); |
| gain_buf[1] = (((gain_a & 0x00f) << 4) | ((gain_b & 0x3c0) >> 6)); |
| gain_buf[2] = (((gain_b & 0x03f) << 2) | ((gain_c & 0x300) >> 8)); |
| gain_buf[3] = ((gain_c & 0x0ff)); |
| |
| /* Registers must be written in this order with no i2c access in between */ |
| if (regmap_raw_write(state->regmap[ADV76XX_PAGE_CP], |
| 0x73, gain_buf, 4)) |
| v4l2_err(sd, "%s: i2c error writing to CP reg 0x73, 0x74, 0x75, 0x76\n", __func__); |
| } |
| |
| static void set_rgb_quantization_range(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| bool rgb_output = io_read(sd, 0x02) & 0x02; |
| bool hdmi_signal = hdmi_read(sd, 0x05) & 0x80; |
| u8 y = HDMI_COLORSPACE_RGB; |
| |
| if (hdmi_signal && (io_read(sd, 0x60) & 1)) |
| y = infoframe_read(sd, 0x01) >> 5; |
| |
| v4l2_dbg(2, debug, sd, "%s: RGB quantization range: %d, RGB out: %d, HDMI: %d\n", |
| __func__, state->rgb_quantization_range, |
| rgb_output, hdmi_signal); |
| |
| adv76xx_set_gain(sd, true, 0x0, 0x0, 0x0); |
| adv76xx_set_offset(sd, true, 0x0, 0x0, 0x0); |
| io_write_clr_set(sd, 0x02, 0x04, rgb_output ? 0 : 4); |
| |
| switch (state->rgb_quantization_range) { |
| case V4L2_DV_RGB_RANGE_AUTO: |
| if (state->selected_input == ADV7604_PAD_VGA_RGB) { |
| /* Receiving analog RGB signal |
| * Set RGB full range (0-255) */ |
| io_write_clr_set(sd, 0x02, 0xf0, 0x10); |
| break; |
| } |
| |
| if (state->selected_input == ADV7604_PAD_VGA_COMP) { |
| /* Receiving analog YPbPr signal |
| * Set automode */ |
| io_write_clr_set(sd, 0x02, 0xf0, 0xf0); |
| break; |
| } |
| |
| if (hdmi_signal) { |
| /* Receiving HDMI signal |
| * Set automode */ |
| io_write_clr_set(sd, 0x02, 0xf0, 0xf0); |
| break; |
| } |
| |
| /* Receiving DVI-D signal |
| * ADV7604 selects RGB limited range regardless of |
| * input format (CE/IT) in automatic mode */ |
| if (state->timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) { |
| /* RGB limited range (16-235) */ |
| io_write_clr_set(sd, 0x02, 0xf0, 0x00); |
| } else { |
| /* RGB full range (0-255) */ |
| io_write_clr_set(sd, 0x02, 0xf0, 0x10); |
| |
| if (is_digital_input(sd) && rgb_output) { |
| adv76xx_set_offset(sd, false, 0x40, 0x40, 0x40); |
| } else { |
| adv76xx_set_gain(sd, false, 0xe0, 0xe0, 0xe0); |
| adv76xx_set_offset(sd, false, 0x70, 0x70, 0x70); |
| } |
| } |
| break; |
| case V4L2_DV_RGB_RANGE_LIMITED: |
| if (state->selected_input == ADV7604_PAD_VGA_COMP) { |
| /* YCrCb limited range (16-235) */ |
| io_write_clr_set(sd, 0x02, 0xf0, 0x20); |
| break; |
| } |
| |
| if (y != HDMI_COLORSPACE_RGB) |
| break; |
| |
| /* RGB limited range (16-235) */ |
| io_write_clr_set(sd, 0x02, 0xf0, 0x00); |
| |
| break; |
| case V4L2_DV_RGB_RANGE_FULL: |
| if (state->selected_input == ADV7604_PAD_VGA_COMP) { |
| /* YCrCb full range (0-255) */ |
| io_write_clr_set(sd, 0x02, 0xf0, 0x60); |
| break; |
| } |
| |
| if (y != HDMI_COLORSPACE_RGB) |
| break; |
| |
| /* RGB full range (0-255) */ |
| io_write_clr_set(sd, 0x02, 0xf0, 0x10); |
| |
| if (is_analog_input(sd) || hdmi_signal) |
| break; |
| |
| /* Adjust gain/offset for DVI-D signals only */ |
| if (rgb_output) { |
| adv76xx_set_offset(sd, false, 0x40, 0x40, 0x40); |
| } else { |
| adv76xx_set_gain(sd, false, 0xe0, 0xe0, 0xe0); |
| adv76xx_set_offset(sd, false, 0x70, 0x70, 0x70); |
| } |
| break; |
| } |
| } |
| |
| static int adv76xx_s_ctrl(struct v4l2_ctrl *ctrl) |
| { |
| struct v4l2_subdev *sd = |
| &container_of(ctrl->handler, struct adv76xx_state, hdl)->sd; |
| |
| struct adv76xx_state *state = to_state(sd); |
| |
| switch (ctrl->id) { |
| case V4L2_CID_BRIGHTNESS: |
| cp_write(sd, 0x3c, ctrl->val); |
| return 0; |
| case V4L2_CID_CONTRAST: |
| cp_write(sd, 0x3a, ctrl->val); |
| return 0; |
| case V4L2_CID_SATURATION: |
| cp_write(sd, 0x3b, ctrl->val); |
| return 0; |
| case V4L2_CID_HUE: |
| cp_write(sd, 0x3d, ctrl->val); |
| return 0; |
| case V4L2_CID_DV_RX_RGB_RANGE: |
| state->rgb_quantization_range = ctrl->val; |
| set_rgb_quantization_range(sd); |
| return 0; |
| case V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE: |
| if (!adv76xx_has_afe(state)) |
| return -EINVAL; |
| /* Set the analog sampling phase. This is needed to find the |
| best sampling phase for analog video: an application or |
| driver has to try a number of phases and analyze the picture |
| quality before settling on the best performing phase. */ |
| afe_write(sd, 0xc8, ctrl->val); |
| return 0; |
| case V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL: |
| /* Use the default blue color for free running mode, |
| or supply your own. */ |
| cp_write_clr_set(sd, 0xbf, 0x04, ctrl->val << 2); |
| return 0; |
| case V4L2_CID_ADV_RX_FREE_RUN_COLOR: |
| cp_write(sd, 0xc0, (ctrl->val & 0xff0000) >> 16); |
| cp_write(sd, 0xc1, (ctrl->val & 0x00ff00) >> 8); |
| cp_write(sd, 0xc2, (u8)(ctrl->val & 0x0000ff)); |
| return 0; |
| } |
| return -EINVAL; |
| } |
| |
| static int adv76xx_g_volatile_ctrl(struct v4l2_ctrl *ctrl) |
| { |
| struct v4l2_subdev *sd = |
| &container_of(ctrl->handler, struct adv76xx_state, hdl)->sd; |
| |
| if (ctrl->id == V4L2_CID_DV_RX_IT_CONTENT_TYPE) { |
| ctrl->val = V4L2_DV_IT_CONTENT_TYPE_NO_ITC; |
| if ((io_read(sd, 0x60) & 1) && (infoframe_read(sd, 0x03) & 0x80)) |
| ctrl->val = (infoframe_read(sd, 0x05) >> 4) & 3; |
| return 0; |
| } |
| return -EINVAL; |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static inline bool no_power(struct v4l2_subdev *sd) |
| { |
| /* Entire chip or CP powered off */ |
| return io_read(sd, 0x0c) & 0x24; |
| } |
| |
| static inline bool no_signal_tmds(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| return !(io_read(sd, 0x6a) & (0x10 >> state->selected_input)); |
| } |
| |
| static inline bool no_lock_tmds(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| const struct adv76xx_chip_info *info = state->info; |
| |
| return (io_read(sd, 0x6a) & info->tdms_lock_mask) != info->tdms_lock_mask; |
| } |
| |
| static inline bool is_hdmi(struct v4l2_subdev *sd) |
| { |
| return hdmi_read(sd, 0x05) & 0x80; |
| } |
| |
| static inline bool no_lock_sspd(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| /* |
| * Chips without a AFE don't expose registers for the SSPD, so just assume |
| * that we have a lock. |
| */ |
| if (adv76xx_has_afe(state)) |
| return false; |
| |
| /* TODO channel 2 */ |
| return ((cp_read(sd, 0xb5) & 0xd0) != 0xd0); |
| } |
| |
| static inline bool no_lock_stdi(struct v4l2_subdev *sd) |
| { |
| /* TODO channel 2 */ |
| return !(cp_read(sd, 0xb1) & 0x80); |
| } |
| |
| static inline bool no_signal(struct v4l2_subdev *sd) |
| { |
| bool ret; |
| |
| ret = no_power(sd); |
| |
| ret |= no_lock_stdi(sd); |
| ret |= no_lock_sspd(sd); |
| |
| if (is_digital_input(sd)) { |
| ret |= no_lock_tmds(sd); |
| ret |= no_signal_tmds(sd); |
| } |
| |
| return ret; |
| } |
| |
| static inline bool no_lock_cp(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| if (!adv76xx_has_afe(state)) |
| return false; |
| |
| /* CP has detected a non standard number of lines on the incoming |
| video compared to what it is configured to receive by s_dv_timings */ |
| return io_read(sd, 0x12) & 0x01; |
| } |
| |
| static inline bool in_free_run(struct v4l2_subdev *sd) |
| { |
| return cp_read(sd, 0xff) & 0x10; |
| } |
| |
| static int adv76xx_g_input_status(struct v4l2_subdev *sd, u32 *status) |
| { |
| *status = 0; |
| *status |= no_power(sd) ? V4L2_IN_ST_NO_POWER : 0; |
| *status |= no_signal(sd) ? V4L2_IN_ST_NO_SIGNAL : 0; |
| if (!in_free_run(sd) && no_lock_cp(sd)) |
| *status |= is_digital_input(sd) ? |
| V4L2_IN_ST_NO_SYNC : V4L2_IN_ST_NO_H_LOCK; |
| |
| v4l2_dbg(1, debug, sd, "%s: status = 0x%x\n", __func__, *status); |
| |
| return 0; |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| struct stdi_readback { |
| u16 bl, lcf, lcvs; |
| u8 hs_pol, vs_pol; |
| bool interlaced; |
| }; |
| |
| static int stdi2dv_timings(struct v4l2_subdev *sd, |
| struct stdi_readback *stdi, |
| struct v4l2_dv_timings *timings) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| u32 hfreq = (ADV76XX_FSC * 8) / stdi->bl; |
| u32 pix_clk; |
| int i; |
| |
| for (i = 0; v4l2_dv_timings_presets[i].bt.width; i++) { |
| const struct v4l2_bt_timings *bt = &v4l2_dv_timings_presets[i].bt; |
| |
| if (!v4l2_valid_dv_timings(&v4l2_dv_timings_presets[i], |
| adv76xx_get_dv_timings_cap(sd, -1), |
| adv76xx_check_dv_timings, NULL)) |
| continue; |
| if (vtotal(bt) != stdi->lcf + 1) |
| continue; |
| if (bt->vsync != stdi->lcvs) |
| continue; |
| |
| pix_clk = hfreq * htotal(bt); |
| |
| if ((pix_clk < bt->pixelclock + 1000000) && |
| (pix_clk > bt->pixelclock - 1000000)) { |
| *timings = v4l2_dv_timings_presets[i]; |
| return 0; |
| } |
| } |
| |
| if (v4l2_detect_cvt(stdi->lcf + 1, hfreq, stdi->lcvs, 0, |
| (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) | |
| (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0), |
| false, timings)) |
| return 0; |
| if (v4l2_detect_gtf(stdi->lcf + 1, hfreq, stdi->lcvs, |
| (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) | |
| (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0), |
| false, state->aspect_ratio, timings)) |
| return 0; |
| |
| v4l2_dbg(2, debug, sd, |
| "%s: No format candidate found for lcvs = %d, lcf=%d, bl = %d, %chsync, %cvsync\n", |
| __func__, stdi->lcvs, stdi->lcf, stdi->bl, |
| stdi->hs_pol, stdi->vs_pol); |
| return -1; |
| } |
| |
| |
| static int read_stdi(struct v4l2_subdev *sd, struct stdi_readback *stdi) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| const struct adv76xx_chip_info *info = state->info; |
| u8 polarity; |
| |
| if (no_lock_stdi(sd) || no_lock_sspd(sd)) { |
| v4l2_dbg(2, debug, sd, "%s: STDI and/or SSPD not locked\n", __func__); |
| return -1; |
| } |
| |
| /* read STDI */ |
| stdi->bl = cp_read16(sd, 0xb1, 0x3fff); |
| stdi->lcf = cp_read16(sd, info->lcf_reg, 0x7ff); |
| stdi->lcvs = cp_read(sd, 0xb3) >> 3; |
| stdi->interlaced = io_read(sd, 0x12) & 0x10; |
| |
| if (adv76xx_has_afe(state)) { |
| /* read SSPD */ |
| polarity = cp_read(sd, 0xb5); |
| if ((polarity & 0x03) == 0x01) { |
| stdi->hs_pol = polarity & 0x10 |
| ? (polarity & 0x08 ? '+' : '-') : 'x'; |
| stdi->vs_pol = polarity & 0x40 |
| ? (polarity & 0x20 ? '+' : '-') : 'x'; |
| } else { |
| stdi->hs_pol = 'x'; |
| stdi->vs_pol = 'x'; |
| } |
| } else { |
| polarity = hdmi_read(sd, 0x05); |
| stdi->hs_pol = polarity & 0x20 ? '+' : '-'; |
| stdi->vs_pol = polarity & 0x10 ? '+' : '-'; |
| } |
| |
| if (no_lock_stdi(sd) || no_lock_sspd(sd)) { |
| v4l2_dbg(2, debug, sd, |
| "%s: signal lost during readout of STDI/SSPD\n", __func__); |
| return -1; |
| } |
| |
| if (stdi->lcf < 239 || stdi->bl < 8 || stdi->bl == 0x3fff) { |
| v4l2_dbg(2, debug, sd, "%s: invalid signal\n", __func__); |
| memset(stdi, 0, sizeof(struct stdi_readback)); |
| return -1; |
| } |
| |
| v4l2_dbg(2, debug, sd, |
| "%s: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, %chsync, %cvsync, %s\n", |
| __func__, stdi->lcf, stdi->bl, stdi->lcvs, |
| stdi->hs_pol, stdi->vs_pol, |
| stdi->interlaced ? "interlaced" : "progressive"); |
| |
| return 0; |
| } |
| |
| static int adv76xx_enum_dv_timings(struct v4l2_subdev *sd, |
| struct v4l2_enum_dv_timings *timings) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| if (timings->pad >= state->source_pad) |
| return -EINVAL; |
| |
| return v4l2_enum_dv_timings_cap(timings, |
| adv76xx_get_dv_timings_cap(sd, timings->pad), |
| adv76xx_check_dv_timings, NULL); |
| } |
| |
| static int adv76xx_dv_timings_cap(struct v4l2_subdev *sd, |
| struct v4l2_dv_timings_cap *cap) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| unsigned int pad = cap->pad; |
| |
| if (cap->pad >= state->source_pad) |
| return -EINVAL; |
| |
| *cap = *adv76xx_get_dv_timings_cap(sd, pad); |
| cap->pad = pad; |
| |
| return 0; |
| } |
| |
| /* 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) |
| { |
| v4l2_find_dv_timings_cap(timings, adv76xx_get_dv_timings_cap(sd, -1), |
| is_digital_input(sd) ? 250000 : 1000000, |
| adv76xx_check_dv_timings, NULL); |
| } |
| |
| static unsigned int adv7604_read_hdmi_pixelclock(struct v4l2_subdev *sd) |
| { |
| unsigned int freq; |
| int a, b; |
| |
| a = hdmi_read(sd, 0x06); |
| b = hdmi_read(sd, 0x3b); |
| if (a < 0 || b < 0) |
| return 0; |
| freq = a * 1000000 + ((b & 0x30) >> 4) * 250000; |
| |
| if (is_hdmi(sd)) { |
| /* adjust for deep color mode */ |
| unsigned bits_per_channel = ((hdmi_read(sd, 0x0b) & 0x60) >> 4) + 8; |
| |
| freq = freq * 8 / bits_per_channel; |
| } |
| |
| return freq; |
| } |
| |
| static unsigned int adv7611_read_hdmi_pixelclock(struct v4l2_subdev *sd) |
| { |
| int a, b; |
| |
| a = hdmi_read(sd, 0x51); |
| b = hdmi_read(sd, 0x52); |
| if (a < 0 || b < 0) |
| return 0; |
| return ((a << 1) | (b >> 7)) * 1000000 + (b & 0x7f) * 1000000 / 128; |
| } |
| |
| static int adv76xx_query_dv_timings(struct v4l2_subdev *sd, |
| struct v4l2_dv_timings *timings) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| const struct adv76xx_chip_info *info = state->info; |
| struct v4l2_bt_timings *bt = &timings->bt; |
| struct stdi_readback stdi; |
| |
| if (!timings) |
| return -EINVAL; |
| |
| memset(timings, 0, sizeof(struct v4l2_dv_timings)); |
| |
| if (no_signal(sd)) { |
| state->restart_stdi_once = true; |
| v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__); |
| return -ENOLINK; |
| } |
| |
| /* read STDI */ |
| if (read_stdi(sd, &stdi)) { |
| v4l2_dbg(1, debug, sd, "%s: STDI/SSPD not locked\n", __func__); |
| return -ENOLINK; |
| } |
| bt->interlaced = stdi.interlaced ? |
| V4L2_DV_INTERLACED : V4L2_DV_PROGRESSIVE; |
| |
| if (is_digital_input(sd)) { |
| bool hdmi_signal = hdmi_read(sd, 0x05) & 0x80; |
| u8 vic = 0; |
| u32 w, h; |
| |
| w = hdmi_read16(sd, 0x07, info->linewidth_mask); |
| h = hdmi_read16(sd, 0x09, info->field0_height_mask); |
| |
| if (hdmi_signal && (io_read(sd, 0x60) & 1)) |
| vic = infoframe_read(sd, 0x04); |
| |
| if (vic && v4l2_find_dv_timings_cea861_vic(timings, vic) && |
| bt->width == w && bt->height == h) |
| goto found; |
| |
| timings->type = V4L2_DV_BT_656_1120; |
| |
| bt->width = w; |
| bt->height = h; |
| bt->pixelclock = info->read_hdmi_pixelclock(sd); |
| bt->hfrontporch = hdmi_read16(sd, 0x20, info->hfrontporch_mask); |
| bt->hsync = hdmi_read16(sd, 0x22, info->hsync_mask); |
| bt->hbackporch = hdmi_read16(sd, 0x24, info->hbackporch_mask); |
| bt->vfrontporch = hdmi_read16(sd, 0x2a, |
| info->field0_vfrontporch_mask) / 2; |
| bt->vsync = hdmi_read16(sd, 0x2e, info->field0_vsync_mask) / 2; |
| bt->vbackporch = hdmi_read16(sd, 0x32, |
| info->field0_vbackporch_mask) / 2; |
| bt->polarities = ((hdmi_read(sd, 0x05) & 0x10) ? V4L2_DV_VSYNC_POS_POL : 0) | |
| ((hdmi_read(sd, 0x05) & 0x20) ? V4L2_DV_HSYNC_POS_POL : 0); |
| if (bt->interlaced == V4L2_DV_INTERLACED) { |
| bt->height += hdmi_read16(sd, 0x0b, |
| info->field1_height_mask); |
| bt->il_vfrontporch = hdmi_read16(sd, 0x2c, |
| info->field1_vfrontporch_mask) / 2; |
| bt->il_vsync = hdmi_read16(sd, 0x30, |
| info->field1_vsync_mask) / 2; |
| bt->il_vbackporch = hdmi_read16(sd, 0x34, |
| info->field1_vbackporch_mask) / 2; |
| } |
| adv76xx_fill_optional_dv_timings_fields(sd, timings); |
| } else { |
| /* find format |
| * Since LCVS values are inaccurate [REF_03, p. 275-276], |
| * stdi2dv_timings() is called with lcvs +-1 if the first attempt fails. |
| */ |
| if (!stdi2dv_timings(sd, &stdi, timings)) |
| goto found; |
| stdi.lcvs += 1; |
| v4l2_dbg(1, debug, sd, "%s: lcvs + 1 = %d\n", __func__, stdi.lcvs); |
| if (!stdi2dv_timings(sd, &stdi, timings)) |
| goto found; |
| stdi.lcvs -= 2; |
| v4l2_dbg(1, debug, sd, "%s: lcvs - 1 = %d\n", __func__, stdi.lcvs); |
| if (stdi2dv_timings(sd, &stdi, timings)) { |
| /* |
| * The STDI block may measure wrong values, especially |
| * for lcvs and lcf. If the driver can not find any |
| * valid timing, the STDI block is restarted to measure |
| * the video timings again. The function will return an |
| * error, but the restart of STDI will generate a new |
| * STDI interrupt and the format detection process will |
| * restart. |
| */ |
| if (state->restart_stdi_once) { |
| v4l2_dbg(1, debug, sd, "%s: restart STDI\n", __func__); |
| /* TODO restart STDI for Sync Channel 2 */ |
| /* enter one-shot mode */ |
| cp_write_clr_set(sd, 0x86, 0x06, 0x00); |
| /* trigger STDI restart */ |
| cp_write_clr_set(sd, 0x86, 0x06, 0x04); |
| /* reset to continuous mode */ |
| cp_write_clr_set(sd, 0x86, 0x06, 0x02); |
| state->restart_stdi_once = false; |
| return -ENOLINK; |
| } |
| v4l2_dbg(1, debug, sd, "%s: format not supported\n", __func__); |
| return -ERANGE; |
| } |
| state->restart_stdi_once = true; |
| } |
| found: |
| |
| if (no_signal(sd)) { |
| v4l2_dbg(1, debug, sd, "%s: signal lost during readout\n", __func__); |
| memset(timings, 0, sizeof(struct v4l2_dv_timings)); |
| return -ENOLINK; |
| } |
| |
| if ((is_analog_input(sd) && bt->pixelclock > 170000000) || |
| (is_digital_input(sd) && bt->pixelclock > 225000000)) { |
| v4l2_dbg(1, debug, sd, "%s: pixelclock out of range %d\n", |
| __func__, (u32)bt->pixelclock); |
| return -ERANGE; |
| } |
| |
| if (debug > 1) |
| v4l2_print_dv_timings(sd->name, "adv76xx_query_dv_timings: ", |
| timings, true); |
| |
| return 0; |
| } |
| |
| static int adv76xx_s_dv_timings(struct v4l2_subdev *sd, |
| struct v4l2_dv_timings *timings) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| struct v4l2_bt_timings *bt; |
| int err; |
| |
| if (!timings) |
| return -EINVAL; |
| |
| if (v4l2_match_dv_timings(&state->timings, timings, 0, false)) { |
| v4l2_dbg(1, debug, sd, "%s: no change\n", __func__); |
| return 0; |
| } |
| |
| bt = &timings->bt; |
| |
| if (!v4l2_valid_dv_timings(timings, adv76xx_get_dv_timings_cap(sd, -1), |
| adv76xx_check_dv_timings, NULL)) |
| return -ERANGE; |
| |
| adv76xx_fill_optional_dv_timings_fields(sd, timings); |
| |
| state->timings = *timings; |
| |
| cp_write_clr_set(sd, 0x91, 0x40, bt->interlaced ? 0x40 : 0x00); |
| |
| /* Use prim_mode and vid_std when available */ |
| err = configure_predefined_video_timings(sd, timings); |
| if (err) { |
| /* custom settings when the video format |
| does not have prim_mode/vid_std */ |
| configure_custom_video_timings(sd, bt); |
| } |
| |
| set_rgb_quantization_range(sd); |
| |
| if (debug > 1) |
| v4l2_print_dv_timings(sd->name, "adv76xx_s_dv_timings: ", |
| timings, true); |
| return 0; |
| } |
| |
| static int adv76xx_g_dv_timings(struct v4l2_subdev *sd, |
| struct v4l2_dv_timings *timings) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| *timings = state->timings; |
| return 0; |
| } |
| |
| static void adv7604_set_termination(struct v4l2_subdev *sd, bool enable) |
| { |
| hdmi_write(sd, 0x01, enable ? 0x00 : 0x78); |
| } |
| |
| static void adv7611_set_termination(struct v4l2_subdev *sd, bool enable) |
| { |
| hdmi_write(sd, 0x83, enable ? 0xfe : 0xff); |
| } |
| |
| static void enable_input(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| if (is_analog_input(sd)) { |
| io_write(sd, 0x15, 0xb0); /* Disable Tristate of Pins (no audio) */ |
| } else if (is_digital_input(sd)) { |
| hdmi_write_clr_set(sd, 0x00, 0x03, state->selected_input); |
| state->info->set_termination(sd, true); |
| io_write(sd, 0x15, 0xa0); /* Disable Tristate of Pins */ |
| hdmi_write_clr_set(sd, 0x1a, 0x10, 0x00); /* Unmute audio */ |
| } else { |
| v4l2_dbg(2, debug, sd, "%s: Unknown port %d selected\n", |
| __func__, state->selected_input); |
| } |
| } |
| |
| static void disable_input(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| hdmi_write_clr_set(sd, 0x1a, 0x10, 0x10); /* Mute audio */ |
| msleep(16); /* 512 samples with >= 32 kHz sample rate [REF_03, c. 7.16.10] */ |
| io_write(sd, 0x15, 0xbe); /* Tristate all outputs from video core */ |
| state->info->set_termination(sd, false); |
| } |
| |
| static void select_input(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| const struct adv76xx_chip_info *info = state->info; |
| |
| if (is_analog_input(sd)) { |
| adv76xx_write_reg_seq(sd, info->recommended_settings[0]); |
| |
| afe_write(sd, 0x00, 0x08); /* power up ADC */ |
| afe_write(sd, 0x01, 0x06); /* power up Analog Front End */ |
| afe_write(sd, 0xc8, 0x00); /* phase control */ |
| } else if (is_digital_input(sd)) { |
| hdmi_write(sd, 0x00, state->selected_input & 0x03); |
| |
| adv76xx_write_reg_seq(sd, info->recommended_settings[1]); |
| |
| if (adv76xx_has_afe(state)) { |
| afe_write(sd, 0x00, 0xff); /* power down ADC */ |
| afe_write(sd, 0x01, 0xfe); /* power down Analog Front End */ |
| afe_write(sd, 0xc8, 0x40); /* phase control */ |
| } |
| |
| cp_write(sd, 0x3e, 0x00); /* CP core pre-gain control */ |
| cp_write(sd, 0xc3, 0x39); /* CP coast control. Graphics mode */ |
| cp_write(sd, 0x40, 0x80); /* CP core pre-gain control. Graphics mode */ |
| } else { |
| v4l2_dbg(2, debug, sd, "%s: Unknown port %d selected\n", |
| __func__, state->selected_input); |
| } |
| } |
| |
| static int adv76xx_s_routing(struct v4l2_subdev *sd, |
| u32 input, u32 output, u32 config) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| v4l2_dbg(2, debug, sd, "%s: input %d, selected input %d", |
| __func__, input, state->selected_input); |
| |
| if (input == state->selected_input) |
| return 0; |
| |
| if (input > state->info->max_port) |
| return -EINVAL; |
| |
| state->selected_input = input; |
| |
| disable_input(sd); |
| select_input(sd); |
| enable_input(sd); |
| |
| v4l2_subdev_notify_event(sd, &adv76xx_ev_fmt); |
| |
| return 0; |
| } |
| |
| static int adv76xx_enum_mbus_code(struct v4l2_subdev *sd, |
| struct v4l2_subdev_pad_config *cfg, |
| struct v4l2_subdev_mbus_code_enum *code) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| if (code->index >= state->info->nformats) |
| return -EINVAL; |
| |
| code->code = state->info->formats[code->index].code; |
| |
| return 0; |
| } |
| |
| static void adv76xx_fill_format(struct adv76xx_state *state, |
| struct v4l2_mbus_framefmt *format) |
| { |
| memset(format, 0, sizeof(*format)); |
| |
| format->width = state->timings.bt.width; |
| format->height = state->timings.bt.height; |
| format->field = V4L2_FIELD_NONE; |
| format->colorspace = V4L2_COLORSPACE_SRGB; |
| |
| if (state->timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) |
| format->colorspace = (state->timings.bt.height <= 576) ? |
| V4L2_COLORSPACE_SMPTE170M : V4L2_COLORSPACE_REC709; |
| } |
| |
| /* |
| * 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) |
| { |
| #define _SEL(a,b,c,d,e,f) { \ |
| ADV76XX_OP_CH_SEL_##a, ADV76XX_OP_CH_SEL_##b, ADV76XX_OP_CH_SEL_##c, \ |
| ADV76XX_OP_CH_SEL_##d, ADV76XX_OP_CH_SEL_##e, ADV76XX_OP_CH_SEL_##f } |
| #define _BUS(x) [ADV7604_BUS_ORDER_##x] |
| |
| static const unsigned int op_ch_sel[6][6] = { |
| _BUS(RGB) /* NOP */ = _SEL(GBR, GRB, BGR, RGB, BRG, RBG), |
| _BUS(GRB) /* 1-2 */ = _SEL(BGR, RGB, GBR, GRB, RBG, BRG), |
| _BUS(RBG) /* 2-3 */ = _SEL(GRB, GBR, BRG, RBG, BGR, RGB), |
| _BUS(BGR) /* 1-3 */ = _SEL(RBG, BRG, RGB, BGR, GRB, GBR), |
| _BUS(BRG) /* ROR */ = _SEL(BRG, RBG, GRB, GBR, RGB, BGR), |
| _BUS(GBR) /* ROL */ = _SEL(RGB, BGR, RBG, BRG, GBR, GRB), |
| }; |
| |
| return op_ch_sel[state->pdata.bus_order][state->format->op_ch_sel >> 5]; |
| } |
| |
| static void adv76xx_setup_format(struct adv76xx_state *state) |
| { |
| struct v4l2_subdev *sd = &state->sd; |
| |
| io_write_clr_set(sd, 0x02, 0x02, |
| state->format->rgb_out ? ADV76XX_RGB_OUT : 0); |
| io_write(sd, 0x03, state->format->op_format_sel | |
| state->pdata.op_format_mode_sel); |
| io_write_clr_set(sd, 0x04, 0xe0, adv76xx_op_ch_sel(state)); |
| io_write_clr_set(sd, 0x05, 0x01, |
| state->format->swap_cb_cr ? ADV76XX_OP_SWAP_CB_CR : 0); |
| set_rgb_quantization_range(sd); |
| } |
| |
| static int adv76xx_get_format(struct v4l2_subdev *sd, |
| struct v4l2_subdev_pad_config *cfg, |
| struct v4l2_subdev_format *format) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| if (format->pad != state->source_pad) |
| return -EINVAL; |
| |
| adv76xx_fill_format(state, &format->format); |
| |
| if (format->which == V4L2_SUBDEV_FORMAT_TRY) { |
| struct v4l2_mbus_framefmt *fmt; |
| |
| fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad); |
| format->format.code = fmt->code; |
| } else { |
| format->format.code = state->format->code; |
| } |
| |
| return 0; |
| } |
| |
| static int adv76xx_get_selection(struct v4l2_subdev *sd, |
| struct v4l2_subdev_pad_config *cfg, |
| struct v4l2_subdev_selection *sel) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE) |
| return -EINVAL; |
| /* Only CROP, CROP_DEFAULT and CROP_BOUNDS are supported */ |
| if (sel->target > V4L2_SEL_TGT_CROP_BOUNDS) |
| return -EINVAL; |
| |
| sel->r.left = 0; |
| sel->r.top = 0; |
| sel->r.width = state->timings.bt.width; |
| sel->r.height = state->timings.bt.height; |
| |
| return 0; |
| } |
| |
| static int adv76xx_set_format(struct v4l2_subdev *sd, |
| struct v4l2_subdev_pad_config *cfg, |
| struct v4l2_subdev_format *format) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| const struct adv76xx_format_info *info; |
| |
| if (format->pad != state->source_pad) |
| return -EINVAL; |
| |
| info = adv76xx_format_info(state, format->format.code); |
| if (!info) |
| info = adv76xx_format_info(state, MEDIA_BUS_FMT_YUYV8_2X8); |
| |
| adv76xx_fill_format(state, &format->format); |
| format->format.code = info->code; |
| |
| if (format->which == V4L2_SUBDEV_FORMAT_TRY) { |
| struct v4l2_mbus_framefmt *fmt; |
| |
| fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad); |
| fmt->code = format->format.code; |
| } else { |
| state->format = info; |
| adv76xx_setup_format(state); |
| } |
| |
| return 0; |
| } |
| |
| #if IS_ENABLED(CONFIG_VIDEO_ADV7604_CEC) |
| static void adv76xx_cec_tx_raw_status(struct v4l2_subdev *sd, u8 tx_raw_status) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| if ((cec_read(sd, 0x11) & 0x01) == 0) { |
| v4l2_dbg(1, debug, sd, "%s: tx raw: tx disabled\n", __func__); |
| return; |
| } |
| |
| if (tx_raw_status & 0x02) { |
| v4l2_dbg(1, debug, sd, "%s: tx raw: arbitration lost\n", |
| __func__); |
| cec_transmit_done(state->cec_adap, CEC_TX_STATUS_ARB_LOST, |
| 1, 0, 0, 0); |
| return; |
| } |
| if (tx_raw_status & 0x04) { |
| u8 status; |
| u8 nack_cnt; |
| u8 low_drive_cnt; |
| |
| v4l2_dbg(1, debug, sd, "%s: tx raw: retry failed\n", __func__); |
| /* |
| * We set this status bit since this hardware performs |
| * retransmissions. |
| */ |
| status = CEC_TX_STATUS_MAX_RETRIES; |
| nack_cnt = cec_read(sd, 0x14) & 0xf; |
| if (nack_cnt) |
| status |= CEC_TX_STATUS_NACK; |
| low_drive_cnt = cec_read(sd, 0x14) >> 4; |
| if (low_drive_cnt) |
| status |= CEC_TX_STATUS_LOW_DRIVE; |
| cec_transmit_done(state->cec_adap, status, |
| 0, nack_cnt, low_drive_cnt, 0); |
| return; |
| } |
| if (tx_raw_status & 0x01) { |
| v4l2_dbg(1, debug, sd, "%s: tx raw: ready ok\n", __func__); |
| cec_transmit_done(state->cec_adap, CEC_TX_STATUS_OK, 0, 0, 0, 0); |
| return; |
| } |
| } |
| |
| static void adv76xx_cec_isr(struct v4l2_subdev *sd, bool *handled) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| const struct adv76xx_chip_info *info = state->info; |
| u8 cec_irq; |
| |
| /* cec controller */ |
| cec_irq = io_read(sd, info->cec_irq_status) & 0x0f; |
| if (!cec_irq) |
| return; |
| |
| v4l2_dbg(1, debug, sd, "%s: cec: irq 0x%x\n", __func__, cec_irq); |
| adv76xx_cec_tx_raw_status(sd, cec_irq); |
| if (cec_irq & 0x08) { |
| struct cec_msg msg; |
| |
| msg.len = cec_read(sd, 0x25) & 0x1f; |
| if (msg.len > 16) |
| msg.len = 16; |
| |
| if (msg.len) { |
| u8 i; |
| |
| for (i = 0; i < msg.len; i++) |
| msg.msg[i] = cec_read(sd, i + 0x15); |
| cec_write(sd, info->cec_rx_enable, |
| info->cec_rx_enable_mask); /* re-enable rx */ |
| cec_received_msg(state->cec_adap, &msg); |
| } |
| } |
| |
| if (info->cec_irq_swap) { |
| /* |
| * Note: the bit order is swapped between 0x4d and 0x4e |
| * on adv7604 |
| */ |
| cec_irq = ((cec_irq & 0x08) >> 3) | ((cec_irq & 0x04) >> 1) | |
| ((cec_irq & 0x02) << 1) | ((cec_irq & 0x01) << 3); |
| } |
| io_write(sd, info->cec_irq_status + 1, cec_irq); |
| |
| if (handled) |
| *handled = true; |
| } |
| |
| static int adv76xx_cec_adap_enable(struct cec_adapter *adap, bool enable) |
| { |
| struct adv76xx_state *state = cec_get_drvdata(adap); |
| const struct adv76xx_chip_info *info = state->info; |
| struct v4l2_subdev *sd = &state->sd; |
| |
| if (!state->cec_enabled_adap && enable) { |
| cec_write_clr_set(sd, 0x2a, 0x01, 0x01); /* power up cec */ |
| cec_write(sd, 0x2c, 0x01); /* cec soft reset */ |
| cec_write_clr_set(sd, 0x11, 0x01, 0); /* initially disable tx */ |
| /* enabled irqs: */ |
| /* tx: ready */ |
| /* tx: arbitration lost */ |
| /* tx: retry timeout */ |
| /* rx: ready */ |
| io_write_clr_set(sd, info->cec_irq_status + 3, 0x0f, 0x0f); |
| cec_write(sd, info->cec_rx_enable, info->cec_rx_enable_mask); |
| } else if (state->cec_enabled_adap && !enable) { |
| /* disable cec interrupts */ |
| io_write_clr_set(sd, info->cec_irq_status + 3, 0x0f, 0x00); |
| /* disable address mask 1-3 */ |
| cec_write_clr_set(sd, 0x27, 0x70, 0x00); |
| /* power down cec section */ |
| cec_write_clr_set(sd, 0x2a, 0x01, 0x00); |
| state->cec_valid_addrs = 0; |
| } |
| state->cec_enabled_adap = enable; |
| adv76xx_s_detect_tx_5v_ctrl(sd); |
| return 0; |
| } |
| |
| static int adv76xx_cec_adap_log_addr(struct cec_adapter *adap, u8 addr) |
| { |
| struct adv76xx_state *state = cec_get_drvdata(adap); |
| struct v4l2_subdev *sd = &state->sd; |
| unsigned int i, free_idx = ADV76XX_MAX_ADDRS; |
| |
| if (!state->cec_enabled_adap) |
| return addr == CEC_LOG_ADDR_INVALID ? 0 : -EIO; |
| |
| if (addr == CEC_LOG_ADDR_INVALID) { |
| cec_write_clr_set(sd, 0x27, 0x70, 0); |
| state->cec_valid_addrs = 0; |
| return 0; |
| } |
| |
| for (i = 0; i < ADV76XX_MAX_ADDRS; i++) { |
| bool is_valid = state->cec_valid_addrs & (1 << i); |
| |
| if (free_idx == ADV76XX_MAX_ADDRS && !is_valid) |
| free_idx = i; |
| if (is_valid && state->cec_addr[i] == addr) |
| return 0; |
| } |
| if (i == ADV76XX_MAX_ADDRS) { |
| i = free_idx; |
| if (i == ADV76XX_MAX_ADDRS) |
| return -ENXIO; |
| } |
| state->cec_addr[i] = addr; |
| state->cec_valid_addrs |= 1 << i; |
| |
| switch (i) { |
| case 0: |
| /* enable address mask 0 */ |
| cec_write_clr_set(sd, 0x27, 0x10, 0x10); |
| /* set address for mask 0 */ |
| cec_write_clr_set(sd, 0x28, 0x0f, addr); |
| break; |
| case 1: |
| /* enable address mask 1 */ |
| cec_write_clr_set(sd, 0x27, 0x20, 0x20); |
| /* set address for mask 1 */ |
| cec_write_clr_set(sd, 0x28, 0xf0, addr << 4); |
| break; |
| case 2: |
| /* enable address mask 2 */ |
| cec_write_clr_set(sd, 0x27, 0x40, 0x40); |
| /* set address for mask 1 */ |
| cec_write_clr_set(sd, 0x29, 0x0f, addr); |
| break; |
| } |
| return 0; |
| } |
| |
| static int adv76xx_cec_adap_transmit(struct cec_adapter *adap, u8 attempts, |
| u32 signal_free_time, struct cec_msg *msg) |
| { |
| struct adv76xx_state *state = cec_get_drvdata(adap); |
| struct v4l2_subdev *sd = &state->sd; |
| u8 len = msg->len; |
| unsigned int i; |
| |
| /* |
| * The number of retries is the number of attempts - 1, but retry |
| * at least once. It's not clear if a value of 0 is allowed, so |
| * let's do at least one retry. |
| */ |
| cec_write_clr_set(sd, 0x12, 0x70, max(1, attempts - 1) << 4); |
| |
| if (len > 16) { |
| v4l2_err(sd, "%s: len exceeded 16 (%d)\n", __func__, len); |
| return -EINVAL; |
| } |
| |
| /* write data */ |
| for (i = 0; i < len; i++) |
| cec_write(sd, i, msg->msg[i]); |
| |
| /* set length (data + header) */ |
| cec_write(sd, 0x10, len); |
| /* start transmit, enable tx */ |
| cec_write(sd, 0x11, 0x01); |
| return 0; |
| } |
| |
| static const struct cec_adap_ops adv76xx_cec_adap_ops = { |
| .adap_enable = adv76xx_cec_adap_enable, |
| .adap_log_addr = adv76xx_cec_adap_log_addr, |
| .adap_transmit = adv76xx_cec_adap_transmit, |
| }; |
| #endif |
| |
| static int adv76xx_isr(struct v4l2_subdev *sd, u32 status, bool *handled) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| const struct adv76xx_chip_info *info = state->info; |
| const u8 irq_reg_0x43 = io_read(sd, 0x43); |
| const u8 irq_reg_0x6b = io_read(sd, 0x6b); |
| const u8 irq_reg_0x70 = io_read(sd, 0x70); |
| u8 fmt_change_digital; |
| u8 fmt_change; |
| u8 tx_5v; |
| |
| if (irq_reg_0x43) |
| io_write(sd, 0x44, irq_reg_0x43); |
| if (irq_reg_0x70) |
| io_write(sd, 0x71, irq_reg_0x70); |
| if (irq_reg_0x6b) |
| io_write(sd, 0x6c, irq_reg_0x6b); |
| |
| v4l2_dbg(2, debug, sd, "%s: ", __func__); |
| |
| /* format change */ |
| fmt_change = irq_reg_0x43 & 0x98; |
| fmt_change_digital = is_digital_input(sd) |
| ? irq_reg_0x6b & info->fmt_change_digital_mask |
| : 0; |
| |
| if (fmt_change || fmt_change_digital) { |
| v4l2_dbg(1, debug, sd, |
| "%s: fmt_change = 0x%x, fmt_change_digital = 0x%x\n", |
| __func__, fmt_change, fmt_change_digital); |
| |
| v4l2_subdev_notify_event(sd, &adv76xx_ev_fmt); |
| |
| if (handled) |
| *handled = true; |
| } |
| /* HDMI/DVI mode */ |
| if (irq_reg_0x6b & 0x01) { |
| v4l2_dbg(1, debug, sd, "%s: irq %s mode\n", __func__, |
| (io_read(sd, 0x6a) & 0x01) ? "HDMI" : "DVI"); |
| set_rgb_quantization_range(sd); |
| if (handled) |
| *handled = true; |
| } |
| |
| #if IS_ENABLED(CONFIG_VIDEO_ADV7604_CEC) |
| /* cec */ |
| adv76xx_cec_isr(sd, handled); |
| #endif |
| |
| /* tx 5v detect */ |
| tx_5v = irq_reg_0x70 & info->cable_det_mask; |
| if (tx_5v) { |
| v4l2_dbg(1, debug, sd, "%s: tx_5v: 0x%x\n", __func__, tx_5v); |
| adv76xx_s_detect_tx_5v_ctrl(sd); |
| if (handled) |
| *handled = true; |
| } |
| return 0; |
| } |
| |
| static irqreturn_t adv76xx_irq_handler(int irq, void *dev_id) |
| { |
| struct adv76xx_state *state = dev_id; |
| bool handled = false; |
| |
| adv76xx_isr(&state->sd, 0, &handled); |
| |
| return handled ? IRQ_HANDLED : IRQ_NONE; |
| } |
| |
| static int adv76xx_get_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| u8 *data = NULL; |
| |
| memset(edid->reserved, 0, sizeof(edid->reserved)); |
| |
| switch (edid->pad) { |
| case ADV76XX_PAD_HDMI_PORT_A: |
| case ADV7604_PAD_HDMI_PORT_B: |
| case ADV7604_PAD_HDMI_PORT_C: |
| case ADV7604_PAD_HDMI_PORT_D: |
| if (state->edid.present & (1 << edid->pad)) |
| data = state->edid.edid; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| if (edid->start_block == 0 && edid->blocks == 0) { |
| edid->blocks = data ? state->edid.blocks : 0; |
| return 0; |
| } |
| |
| if (!data) |
| return -ENODATA; |
| |
| if (edid->start_block >= state->edid.blocks) |
| return -EINVAL; |
| |
| if (edid->start_block + edid->blocks > state->edid.blocks) |
| edid->blocks = state->edid.blocks - edid->start_block; |
| |
| memcpy(edid->edid, data + edid->start_block * 128, edid->blocks * 128); |
| |
| return 0; |
| } |
| |
| static int adv76xx_set_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| const struct adv76xx_chip_info *info = state->info; |
| unsigned int spa_loc; |
| u16 pa; |
| int err; |
| int i; |
| |
| memset(edid->reserved, 0, sizeof(edid->reserved)); |
| |
| if (edid->pad > ADV7604_PAD_HDMI_PORT_D) |
| return -EINVAL; |
| if (edid->start_block != 0) |
| return -EINVAL; |
| if (edid->blocks == 0) { |
| /* Disable hotplug and I2C access to EDID RAM from DDC port */ |
| state->edid.present &= ~(1 << edid->pad); |
| adv76xx_set_hpd(state, state->edid.present); |
| rep_write_clr_set(sd, info->edid_enable_reg, 0x0f, state->edid.present); |
| |
| /* Fall back to a 16:9 aspect ratio */ |
| state->aspect_ratio.numerator = 16; |
| state->aspect_ratio.denominator = 9; |
| |
| if (!state->edid.present) { |
| state->edid.blocks = 0; |
| cec_phys_addr_invalidate(state->cec_adap); |
| } |
| |
| v4l2_dbg(2, debug, sd, "%s: clear EDID pad %d, edid.present = 0x%x\n", |
| __func__, edid->pad, state->edid.present); |
| return 0; |
| } |
| if (edid->blocks > 2) { |
| edid->blocks = 2; |
| return -E2BIG; |
| } |
| pa = v4l2_get_edid_phys_addr(edid->edid, edid->blocks * 128, &spa_loc); |
| err = v4l2_phys_addr_validate(pa, &pa, NULL); |
| if (err) |
| return err; |
| |
| v4l2_dbg(2, debug, sd, "%s: write EDID pad %d, edid.present = 0x%x\n", |
| __func__, edid->pad, state->edid.present); |
| |
| /* Disable hotplug and I2C access to EDID RAM from DDC port */ |
| cancel_delayed_work_sync(&state->delayed_work_enable_hotplug); |
| adv76xx_set_hpd(state, 0); |
| rep_write_clr_set(sd, info->edid_enable_reg, 0x0f, 0x00); |
| |
| /* |
| * Return an error if no location of the source physical address |
| * was found. |
| */ |
| if (spa_loc == 0) |
| return -EINVAL; |
| |
| switch (edid->pad) { |
| case ADV76XX_PAD_HDMI_PORT_A: |
| state->spa_port_a[0] = edid->edid[spa_loc]; |
| state->spa_port_a[1] = edid->edid[spa_loc + 1]; |
| break; |
| case ADV7604_PAD_HDMI_PORT_B: |
| rep_write(sd, 0x70, edid->edid[spa_loc]); |
| rep_write(sd, 0x71, edid->edid[spa_loc + 1]); |
| break; |
| case ADV7604_PAD_HDMI_PORT_C: |
| rep_write(sd, 0x72, edid->edid[spa_loc]); |
| rep_write(sd, 0x73, edid->edid[spa_loc + 1]); |
| break; |
| case ADV7604_PAD_HDMI_PORT_D: |
| rep_write(sd, 0x74, edid->edid[spa_loc]); |
| rep_write(sd, 0x75, edid->edid[spa_loc + 1]); |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| if (info->type == ADV7604) { |
| rep_write(sd, 0x76, spa_loc & 0xff); |
| rep_write_clr_set(sd, 0x77, 0x40, (spa_loc & 0x100) >> 2); |
| } else { |
| /* ADV7612 Software Manual Rev. A, p. 15 */ |
| rep_write(sd, 0x70, spa_loc & 0xff); |
| rep_write_clr_set(sd, 0x71, 0x01, (spa_loc & 0x100) >> 8); |
| } |
| |
| edid->edid[spa_loc] = state->spa_port_a[0]; |
| edid->edid[spa_loc + 1] = state->spa_port_a[1]; |
| |
| memcpy(state->edid.edid, edid->edid, 128 * edid->blocks); |
| state->edid.blocks = edid->blocks; |
| state->aspect_ratio = v4l2_calc_aspect_ratio(edid->edid[0x15], |
| edid->edid[0x16]); |
| state->edid.present |= 1 << edid->pad; |
| |
| err = edid_write_block(sd, 128 * edid->blocks, state->edid.edid); |
| if (err < 0) { |
| v4l2_err(sd, "error %d writing edid pad %d\n", err, edid->pad); |
| return err; |
| } |
| |
| /* adv76xx calculates the checksums and enables I2C access to internal |
| EDID RAM from DDC port. */ |
| rep_write_clr_set(sd, info->edid_enable_reg, 0x0f, state->edid.present); |
| |
| for (i = 0; i < 1000; i++) { |
| if (rep_read(sd, info->edid_status_reg) & state->edid.present) |
| break; |
| mdelay(1); |
| } |
| if (i == 1000) { |
| v4l2_err(sd, "error enabling edid (0x%x)\n", state->edid.present); |
| return -EIO; |
| } |
| cec_s_phys_addr(state->cec_adap, pa, false); |
| |
| /* enable hotplug after 100 ms */ |
| schedule_delayed_work(&state->delayed_work_enable_hotplug, HZ / 10); |
| return 0; |
| } |
| |
| /*********** avi info frame CEA-861-E **************/ |
| |
| static const struct adv76xx_cfg_read_infoframe adv76xx_cri[] = { |
| { "AVI", 0x01, 0xe0, 0x00 }, |
| { "Audio", 0x02, 0xe3, 0x1c }, |
| { "SDP", 0x04, 0xe6, 0x2a }, |
| { "Vendor", 0x10, 0xec, 0x54 } |
| }; |
| |
| static int adv76xx_read_infoframe(struct v4l2_subdev *sd, int index, |
| union hdmi_infoframe *frame) |
| { |
| uint8_t buffer[32]; |
| u8 len; |
| int i; |
| |
| if (!(io_read(sd, 0x60) & adv76xx_cri[index].present_mask)) { |
| v4l2_info(sd, "%s infoframe not received\n", |
| adv76xx_cri[index].desc); |
| return -ENOENT; |
| } |
| |
| for (i = 0; i < 3; i++) |
| buffer[i] = infoframe_read(sd, |
| adv76xx_cri[index].head_addr + i); |
| |
| len = buffer[2] + 1; |
| |
| if (len + 3 > sizeof(buffer)) { |
| v4l2_err(sd, "%s: invalid %s infoframe length %d\n", __func__, |
| adv76xx_cri[index].desc, len); |
| return -ENOENT; |
| } |
| |
| for (i = 0; i < len; i++) |
| buffer[i + 3] = infoframe_read(sd, |
| adv76xx_cri[index].payload_addr + i); |
| |
| if (hdmi_infoframe_unpack(frame, buffer, sizeof(buffer)) < 0) { |
| v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__, |
| adv76xx_cri[index].desc); |
| return -ENOENT; |
| } |
| return 0; |
| } |
| |
| static void adv76xx_log_infoframes(struct v4l2_subdev *sd) |
| { |
| int i; |
| |
| if (!is_hdmi(sd)) { |
| v4l2_info(sd, "receive DVI-D signal, no infoframes\n"); |
| return; |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(adv76xx_cri); i++) { |
| union hdmi_infoframe frame; |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| |
| if (adv76xx_read_infoframe(sd, i, &frame)) |
| return; |
| hdmi_infoframe_log(KERN_INFO, &client->dev, &frame); |
| } |
| } |
| |
| static int adv76xx_log_status(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| const struct adv76xx_chip_info *info = state->info; |
| struct v4l2_dv_timings timings; |
| struct stdi_readback stdi; |
| u8 reg_io_0x02 = io_read(sd, 0x02); |
| u8 edid_enabled; |
| u8 cable_det; |
| |
| static const char * const csc_coeff_sel_rb[16] = { |
| "bypassed", "YPbPr601 -> RGB", "reserved", "YPbPr709 -> RGB", |
| "reserved", "RGB -> YPbPr601", "reserved", "RGB -> YPbPr709", |
| "reserved", "YPbPr709 -> YPbPr601", "YPbPr601 -> YPbPr709", |
| "reserved", "reserved", "reserved", "reserved", "manual" |
| }; |
| static const char * const input_color_space_txt[16] = { |
| "RGB limited range (16-235)", "RGB full range (0-255)", |
| "YCbCr Bt.601 (16-235)", "YCbCr Bt.709 (16-235)", |
| "xvYCC Bt.601", "xvYCC Bt.709", |
| "YCbCr Bt.601 (0-255)", "YCbCr Bt.709 (0-255)", |
| "invalid", "invalid", "invalid", "invalid", "invalid", |
| "invalid", "invalid", "automatic" |
| }; |
| static const char * const hdmi_color_space_txt[16] = { |
| "RGB limited range (16-235)", "RGB full range (0-255)", |
| "YCbCr Bt.601 (16-235)", "YCbCr Bt.709 (16-235)", |
| "xvYCC Bt.601", "xvYCC Bt.709", |
| "YCbCr Bt.601 (0-255)", "YCbCr Bt.709 (0-255)", |
| "sYCC", "opYCC 601", "opRGB", "invalid", "invalid", |
| "invalid", "invalid", "invalid" |
| }; |
| static const char * const rgb_quantization_range_txt[] = { |
| "Automatic", |
| "RGB limited range (16-235)", |
| "RGB full range (0-255)", |
| }; |
| static const char * const deep_color_mode_txt[4] = { |
| "8-bits per channel", |
| "10-bits per channel", |
| "12-bits per channel", |
| "16-bits per channel (not supported)" |
| }; |
| |
| v4l2_info(sd, "-----Chip status-----\n"); |
| v4l2_info(sd, "Chip power: %s\n", no_power(sd) ? "off" : "on"); |
| edid_enabled = rep_read(sd, info->edid_status_reg); |
| v4l2_info(sd, "EDID enabled port A: %s, B: %s, C: %s, D: %s\n", |
| ((edid_enabled & 0x01) ? "Yes" : "No"), |
| ((edid_enabled & 0x02) ? "Yes" : "No"), |
| ((edid_enabled & 0x04) ? "Yes" : "No"), |
| ((edid_enabled & 0x08) ? "Yes" : "No")); |
| v4l2_info(sd, "CEC: %s\n", state->cec_enabled_adap ? |
| "enabled" : "disabled"); |
| if (state->cec_enabled_adap) { |
| int i; |
| |
| for (i = 0; i < ADV76XX_MAX_ADDRS; i++) { |
| bool is_valid = state->cec_valid_addrs & (1 << i); |
| |
| if (is_valid) |
| v4l2_info(sd, "CEC Logical Address: 0x%x\n", |
| state->cec_addr[i]); |
| } |
| } |
| |
| v4l2_info(sd, "-----Signal status-----\n"); |
| cable_det = info->read_cable_det(sd); |
| v4l2_info(sd, "Cable detected (+5V power) port A: %s, B: %s, C: %s, D: %s\n", |
| ((cable_det & 0x01) ? "Yes" : "No"), |
| ((cable_det & 0x02) ? "Yes" : "No"), |
| ((cable_det & 0x04) ? "Yes" : "No"), |
| ((cable_det & 0x08) ? "Yes" : "No")); |
| v4l2_info(sd, "TMDS signal detected: %s\n", |
| no_signal_tmds(sd) ? "false" : "true"); |
| v4l2_info(sd, "TMDS signal locked: %s\n", |
| no_lock_tmds(sd) ? "false" : "true"); |
| v4l2_info(sd, "SSPD locked: %s\n", no_lock_sspd(sd) ? "false" : "true"); |
| v4l2_info(sd, "STDI locked: %s\n", no_lock_stdi(sd) ? "false" : "true"); |
| v4l2_info(sd, "CP locked: %s\n", no_lock_cp(sd) ? "false" : "true"); |
| v4l2_info(sd, "CP free run: %s\n", |
| (in_free_run(sd)) ? "on" : "off"); |
| v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x, v_freq = 0x%x\n", |
| io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f, |
| (io_read(sd, 0x01) & 0x70) >> 4); |
| |
| v4l2_info(sd, "-----Video Timings-----\n"); |
| if (read_stdi(sd, &stdi)) |
| v4l2_info(sd, "STDI: not locked\n"); |
| else |
| v4l2_info(sd, "STDI: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, %s, %chsync, %cvsync\n", |
| stdi.lcf, stdi.bl, stdi.lcvs, |
| stdi.interlaced ? "interlaced" : "progressive", |
| stdi.hs_pol, stdi.vs_pol); |
| if (adv76xx_query_dv_timings(sd, &timings)) |
| v4l2_info(sd, "No video detected\n"); |
| else |
| v4l2_print_dv_timings(sd->name, "Detected format: ", |
| &timings, true); |
| v4l2_print_dv_timings(sd->name, "Configured format: ", |
| &state->timings, true); |
| |
| if (no_signal(sd)) |
| return 0; |
| |
| v4l2_info(sd, "-----Color space-----\n"); |
| v4l2_info(sd, "RGB quantization range ctrl: %s\n", |
| rgb_quantization_range_txt[state->rgb_quantization_range]); |
| v4l2_info(sd, "Input color space: %s\n", |
| input_color_space_txt[reg_io_0x02 >> 4]); |
| v4l2_info(sd, "Output color space: %s %s, alt-gamma %s\n", |
| (reg_io_0x02 & 0x02) ? "RGB" : "YCbCr", |
| (((reg_io_0x02 >> 2) & 0x01) ^ (reg_io_0x02 & 0x01)) ? |
| "(16-235)" : "(0-255)", |
| (reg_io_0x02 & 0x08) ? "enabled" : "disabled"); |
| v4l2_info(sd, "Color space conversion: %s\n", |
| csc_coeff_sel_rb[cp_read(sd, info->cp_csc) >> 4]); |
| |
| if (!is_digital_input(sd)) |
| return 0; |
| |
| v4l2_info(sd, "-----%s status-----\n", is_hdmi(sd) ? "HDMI" : "DVI-D"); |
| v4l2_info(sd, "Digital video port selected: %c\n", |
| (hdmi_read(sd, 0x00) & 0x03) + 'A'); |
| v4l2_info(sd, "HDCP encrypted content: %s\n", |
| (hdmi_read(sd, 0x05) & 0x40) ? "true" : "false"); |
| v4l2_info(sd, "HDCP keys read: %s%s\n", |
| (hdmi_read(sd, 0x04) & 0x20) ? "yes" : "no", |
| (hdmi_read(sd, 0x04) & 0x10) ? "ERROR" : ""); |
| if (is_hdmi(sd)) { |
| bool audio_pll_locked = hdmi_read(sd, 0x04) & 0x01; |
| bool audio_sample_packet_detect = hdmi_read(sd, 0x18) & 0x01; |
| bool audio_mute = io_read(sd, 0x65) & 0x40; |
| |
| v4l2_info(sd, "Audio: pll %s, samples %s, %s\n", |
| audio_pll_locked ? "locked" : "not locked", |
| audio_sample_packet_detect ? "detected" : "not detected", |
| audio_mute ? "muted" : "enabled"); |
| if (audio_pll_locked && audio_sample_packet_detect) { |
| v4l2_info(sd, "Audio format: %s\n", |
| (hdmi_read(sd, 0x07) & 0x20) ? "multi-channel" : "stereo"); |
| } |
| v4l2_info(sd, "Audio CTS: %u\n", (hdmi_read(sd, 0x5b) << 12) + |
| (hdmi_read(sd, 0x5c) << 8) + |
| (hdmi_read(sd, 0x5d) & 0xf0)); |
| v4l2_info(sd, "Audio N: %u\n", ((hdmi_read(sd, 0x5d) & 0x0f) << 16) + |
| (hdmi_read(sd, 0x5e) << 8) + |
| hdmi_read(sd, 0x5f)); |
| v4l2_info(sd, "AV Mute: %s\n", (hdmi_read(sd, 0x04) & 0x40) ? "on" : "off"); |
| |
| v4l2_info(sd, "Deep color mode: %s\n", deep_color_mode_txt[(hdmi_read(sd, 0x0b) & 0x60) >> 5]); |
| v4l2_info(sd, "HDMI colorspace: %s\n", hdmi_color_space_txt[hdmi_read(sd, 0x53) & 0xf]); |
| |
| adv76xx_log_infoframes(sd); |
| } |
| |
| return 0; |
| } |
| |
| static int adv76xx_subscribe_event(struct v4l2_subdev *sd, |
| struct v4l2_fh *fh, |
| struct v4l2_event_subscription *sub) |
| { |
| switch (sub->type) { |
| case V4L2_EVENT_SOURCE_CHANGE: |
| return v4l2_src_change_event_subdev_subscribe(sd, fh, sub); |
| case V4L2_EVENT_CTRL: |
| return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub); |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| static int adv76xx_registered(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| int err; |
| |
| err = cec_register_adapter(state->cec_adap, &client->dev); |
| if (err) |
| cec_delete_adapter(state->cec_adap); |
| return err; |
| } |
| |
| static void adv76xx_unregistered(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| |
| cec_unregister_adapter(state->cec_adap); |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static const struct v4l2_ctrl_ops adv76xx_ctrl_ops = { |
| .s_ctrl = adv76xx_s_ctrl, |
| .g_volatile_ctrl = adv76xx_g_volatile_ctrl, |
| }; |
| |
| static const struct v4l2_subdev_core_ops adv76xx_core_ops = { |
| .log_status = adv76xx_log_status, |
| .interrupt_service_routine = adv76xx_isr, |
| .subscribe_event = adv76xx_subscribe_event, |
| .unsubscribe_event = v4l2_event_subdev_unsubscribe, |
| #ifdef CONFIG_VIDEO_ADV_DEBUG |
| .g_register = adv76xx_g_register, |
| .s_register = adv76xx_s_register, |
| #endif |
| }; |
| |
| static const struct v4l2_subdev_video_ops adv76xx_video_ops = { |
| .s_routing = adv76xx_s_routing, |
| .g_input_status = adv76xx_g_input_status, |
| .s_dv_timings = adv76xx_s_dv_timings, |
| .g_dv_timings = adv76xx_g_dv_timings, |
| .query_dv_timings = adv76xx_query_dv_timings, |
| }; |
| |
| static const struct v4l2_subdev_pad_ops adv76xx_pad_ops = { |
| .enum_mbus_code = adv76xx_enum_mbus_code, |
| .get_selection = adv76xx_get_selection, |
| .get_fmt = adv76xx_get_format, |
| .set_fmt = adv76xx_set_format, |
| .get_edid = adv76xx_get_edid, |
| .set_edid = adv76xx_set_edid, |
| .dv_timings_cap = adv76xx_dv_timings_cap, |
| .enum_dv_timings = adv76xx_enum_dv_timings, |
| }; |
| |
| static const struct v4l2_subdev_ops adv76xx_ops = { |
| .core = &adv76xx_core_ops, |
| .video = &adv76xx_video_ops, |
| .pad = &adv76xx_pad_ops, |
| }; |
| |
| static const struct v4l2_subdev_internal_ops adv76xx_int_ops = { |
| .registered = adv76xx_registered, |
| .unregistered = adv76xx_unregistered, |
| }; |
| |
| /* -------------------------- custom ctrls ---------------------------------- */ |
| |
| static const struct v4l2_ctrl_config adv7604_ctrl_analog_sampling_phase = { |
| .ops = &adv76xx_ctrl_ops, |
| .id = V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE, |
| .name = "Analog Sampling Phase", |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .min = 0, |
| .max = 0x1f, |
| .step = 1, |
| .def = 0, |
| }; |
| |
| static const struct v4l2_ctrl_config adv76xx_ctrl_free_run_color_manual = { |
| .ops = &adv76xx_ctrl_ops, |
| .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL, |
| .name = "Free Running Color, Manual", |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .min = false, |
| .max = true, |
| .step = 1, |
| .def = false, |
| }; |
| |
| static const struct v4l2_ctrl_config adv76xx_ctrl_free_run_color = { |
| .ops = &adv76xx_ctrl_ops, |
| .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR, |
| .name = "Free Running Color", |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .min = 0x0, |
| .max = 0xffffff, |
| .step = 0x1, |
| .def = 0x0, |
| }; |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| struct adv76xx_register_map { |
| const char *name; |
| u8 default_addr; |
| }; |
| |
| static const struct adv76xx_register_map adv76xx_default_addresses[] = { |
| [ADV76XX_PAGE_IO] = { "main", 0x4c }, |
| [ADV7604_PAGE_AVLINK] = { "avlink", 0x42 }, |
| [ADV76XX_PAGE_CEC] = { "cec", 0x40 }, |
| [ADV76XX_PAGE_INFOFRAME] = { "infoframe", 0x3e }, |
| [ADV7604_PAGE_ESDP] = { "esdp", 0x38 }, |
| [ADV7604_PAGE_DPP] = { "dpp", 0x3c }, |
| [ADV76XX_PAGE_AFE] = { "afe", 0x26 }, |
| [ADV76XX_PAGE_REP] = { "rep", 0x32 }, |
| [ADV76XX_PAGE_EDID] = { "edid", 0x36 }, |
| [ADV76XX_PAGE_HDMI] = { "hdmi", 0x34 }, |
| [ADV76XX_PAGE_TEST] = { "test", 0x30 }, |
| [ADV76XX_PAGE_CP] = { "cp", 0x22 }, |
| [ADV7604_PAGE_VDP] = { "vdp", 0x24 }, |
| }; |
| |
| static int adv76xx_core_init(struct v4l2_subdev *sd) |
| { |
| struct adv76xx_state *state = to_state(sd); |
| const struct adv76xx_chip_info *info = state->info; |
| struct adv76xx_platform_data *pdata = &state->pdata; |
| |
| hdmi_write(sd, 0x48, |
| (pdata->disable_pwrdnb ? 0x80 : 0) | |
| (pdata->disable_cable_det_rst ? 0x40 : 0)); |
| |
| disable_input(sd); |
| |
| if (pdata->default_input >= 0 && |
| pdata->default_input < state->source_pad) { |
| state->selected_input = pdata->default_input; |
| select_input(sd); |
| enable_input(sd); |
| } |
| |
| /* power */ |
| io_write(sd, 0x0c, 0x42); /* Power up part and power down VDP */ |
| io_write(sd, 0x0b, 0x44); /* Power down ESDP block */ |
| cp_write(sd, 0xcf, 0x01); /* Power down macrovision */ |
| |
| /* video format */ |
| io_write_clr_set(sd, 0x02, 0x0f, pdata->alt_gamma << 3); |
| io_write_clr_set(sd, 0x05, 0x0e, pdata->blank_data << 3 | |
| pdata->insert_av_codes << 2 | |
| pdata->replicate_av_codes << 1); |
| adv76xx_setup_format(state); |
| |
| cp_write(sd, 0x69, 0x30); /* Enable CP CSC */ |
| |
| /* VS, HS polarities */ |
| io_write(sd, 0x06, 0xa0 | pdata->inv_vs_pol << 2 | |
| pdata->inv_hs_pol << 1 | pdata->inv_llc_pol); |
| |
| /* Adjust drive strength */ |
| io_write(sd, 0x14, 0x40 | pdata->dr_str_data << 4 | |
| pdata->dr_str_clk << 2 | |
| pdata->dr_str_sync); |
| |
| cp_write(sd, 0xba, (pdata->hdmi_free_run_mode << 1) | 0x01); /* HDMI free run */ |
| cp_write(sd, 0xf3, 0xdc); /* Low threshold to enter/exit free run mode */ |
| cp_write(sd, 0xf9, 0x23); /* STDI ch. 1 - LCVS change threshold - |
| ADI recommended setting [REF_01, c. 2.3.3] */ |
| cp_write(sd, 0x45, 0x23); /* STDI ch. 2 - LCVS change threshold - |
| ADI recommended setting [REF_01, c. 2.3.3] */ |
| cp_write(sd, 0xc9, 0x2d); /* use prim_mode and vid_std as free run resolution |
| for digital formats */ |
| |
| /* HDMI audio */ |
| hdmi_write_clr_set(sd, 0x15, 0x03, 0x03); /* Mute on FIFO over-/underflow [REF_01, c. 1.2.18] */ |
| hdmi_write_clr_set(sd, 0x1a, 0x0e, 0x08); /* Wait 1 s before unmute */ |
| hdmi_write_clr_set(sd, 0x68, 0x06, 0x06); /* FIFO reset on over-/underflow [REF_01, c. 1.2.19] */ |
| |
| /* TODO from platform data */ |
| afe_write(sd, 0xb5, 0x01); /* Setting MCLK to 256Fs */ |
| |
| if (adv76xx_has_afe(state)) { |
| afe_write(sd, 0x02, pdata->ain_sel); /* Select analog input muxing mode */ |
| io_write_clr_set(sd, 0x30, 1 << 4, pdata->output_bus_lsb_to_msb << 4); |
| } |
| |
| /* interrupts */ |
| io_write(sd, 0x40, 0xc0 | pdata->int1_config); /* Configure INT1 */ |
| io_write(sd, 0x46, 0x98); /* Enable SSPD, STDI and CP unlocked interrupts */ |
| io_write(sd, 0x6e, info->fmt_change_digital_mask); /* Enable V_LOCKED and DE_REGEN_LCK interrupts */ |
| io_write(sd, 0x73, info->cable_det_mask); /* Enable cable detection (+5v) interrupts */ |
| info->setup_irqs(sd); |
| |
| return v4l2_ctrl_handler_setup(sd->ctrl_handler); |
| } |
| |
| static void adv7604_setup_irqs(struct v4l2_subdev *sd) |
| { |
| io_write(sd, 0x41, 0xd7); /* STDI irq for any change, disable INT2 */ |
| } |
| |
| static void adv7611_setup_irqs(struct v4l2_subdev *sd) |
| { |
| io_write(sd, 0x41, 0xd0); /* STDI irq for any change, disable INT2 */ |
| } |
| |
| static void adv7612_setup_irqs(struct v4l2_subdev *sd) |
| { |
| io_write(sd, 0x41, 0xd0); /* disable INT2 */ |
| } |
| |
| static void adv76xx_unregister_clients(struct adv76xx_state *state) |
| { |
| unsigned int i; |
| |
| for (i = 1; i < ARRAY_SIZE(state->i2c_clients); ++i) |
| i2c_unregister_device(state->i2c_clients[i]); |
| } |
| |
| static struct i2c_client *adv76xx_dummy_client(struct v4l2_subdev *sd, |
| unsigned int page) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| struct adv76xx_state *state = to_state(sd); |
| struct adv76xx_platform_data *pdata = &state->pdata; |
| unsigned int io_reg = 0xf2 + page; |
| struct i2c_client *new_client; |
| |
| if (pdata && pdata->i2c_addresses[page]) |
| new_client = i2c_new_dummy_device(client->adapter, |
| pdata->i2c_addresses[page]); |
| else |
| new_client = i2c_new_ancillary_device(client, |
| adv76xx_default_addresses[page].name, |
| adv76xx_default_addresses[page].default_addr); |
| |
| if (!IS_ERR(new_client)) |
| io_write(sd, io_reg, new_client->addr << 1); |
| |
| return new_client; |
| } |
| |
| static const struct adv76xx_reg_seq adv7604_recommended_settings_afe[] = { |
| /* reset ADI recommended settings for HDMI: */ |
| /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 4. */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x0d), 0x04 }, /* HDMI filter optimization */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x0d), 0x04 }, /* HDMI filter optimization */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x3d), 0x00 }, /* DDC bus active pull-up control */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x3e), 0x74 }, /* TMDS PLL optimization */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x4e), 0x3b }, /* TMDS PLL optimization */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x57), 0x74 }, /* TMDS PLL optimization */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x58), 0x63 }, /* TMDS PLL optimization */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x8d), 0x18 }, /* equaliser */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x8e), 0x34 }, /* equaliser */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x93), 0x88 }, /* equaliser */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x94), 0x2e }, /* equaliser */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x96), 0x00 }, /* enable automatic EQ changing */ |
| |
| /* set ADI recommended settings for digitizer */ |
| /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 17. */ |
| { ADV76XX_REG(ADV76XX_PAGE_AFE, 0x12), 0x7b }, /* ADC noise shaping filter controls */ |
| { ADV76XX_REG(ADV76XX_PAGE_AFE, 0x0c), 0x1f }, /* CP core gain controls */ |
| { ADV76XX_REG(ADV76XX_PAGE_CP, 0x3e), 0x04 }, /* CP core pre-gain control */ |
| { ADV76XX_REG(ADV76XX_PAGE_CP, 0xc3), 0x39 }, /* CP coast control. Graphics mode */ |
| { ADV76XX_REG(ADV76XX_PAGE_CP, 0x40), 0x5c }, /* CP core pre-gain control. Graphics mode */ |
| |
| { ADV76XX_REG_SEQ_TERM, 0 }, |
| }; |
| |
| static const struct adv76xx_reg_seq adv7604_recommended_settings_hdmi[] = { |
| /* set ADI recommended settings for HDMI: */ |
| /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 4. */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x0d), 0x84 }, /* HDMI filter optimization */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x3d), 0x10 }, /* DDC bus active pull-up control */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x3e), 0x39 }, /* TMDS PLL optimization */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x4e), 0x3b }, /* TMDS PLL optimization */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x57), 0xb6 }, /* TMDS PLL optimization */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x58), 0x03 }, /* TMDS PLL optimization */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x8d), 0x18 }, /* equaliser */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x8e), 0x34 }, /* equaliser */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x93), 0x8b }, /* equaliser */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x94), 0x2d }, /* equaliser */ |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x96), 0x01 }, /* enable automatic EQ changing */ |
| |
| /* reset ADI recommended settings for digitizer */ |
| /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 17. */ |
| { ADV76XX_REG(ADV76XX_PAGE_AFE, 0x12), 0xfb }, /* ADC noise shaping filter controls */ |
| { ADV76XX_REG(ADV76XX_PAGE_AFE, 0x0c), 0x0d }, /* CP core gain controls */ |
| |
| { ADV76XX_REG_SEQ_TERM, 0 }, |
| }; |
| |
| static const struct adv76xx_reg_seq adv7611_recommended_settings_hdmi[] = { |
| /* ADV7611 Register Settings Recommendations Rev 1.5, May 2014 */ |
| { ADV76XX_REG(ADV76XX_PAGE_CP, 0x6c), 0x00 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x9b), 0x03 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x6f), 0x08 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x85), 0x1f }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x87), 0x70 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x57), 0xda }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x58), 0x01 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x03), 0x98 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x4c), 0x44 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x8d), 0x04 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x8e), 0x1e }, |
| |
| { ADV76XX_REG_SEQ_TERM, 0 }, |
| }; |
| |
| static const struct adv76xx_reg_seq adv7612_recommended_settings_hdmi[] = { |
| { ADV76XX_REG(ADV76XX_PAGE_CP, 0x6c), 0x00 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x9b), 0x03 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x6f), 0x08 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x85), 0x1f }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x87), 0x70 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x57), 0xda }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x58), 0x01 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x03), 0x98 }, |
| { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x4c), 0x44 }, |
| { ADV76XX_REG_SEQ_TERM, 0 }, |
| }; |
| |
| static const struct adv76xx_chip_info adv76xx_chip_info[] = { |
| [ADV7604] = { |
| .type = ADV7604, |
| .has_afe = true, |
| .max_port = ADV7604_PAD_VGA_COMP, |
| .num_dv_ports = 4, |
| .edid_enable_reg = 0x77, |
| .edid_status_reg = 0x7d, |
| .lcf_reg = 0xb3, |
| .tdms_lock_mask = 0xe0, |
| .cable_det_mask = 0x1e, |
| .fmt_change_digital_mask = 0xc1, |
| .cp_csc = 0xfc, |
| .cec_irq_status = 0x4d, |
| .cec_rx_enable = 0x26, |
| .cec_rx_enable_mask = 0x01, |
| .cec_irq_swap = true, |
| .formats = adv7604_formats, |
| .nformats = ARRAY_SIZE(adv7604_formats), |
| .set_termination = adv7604_set_termination, |
| .setup_irqs = adv7604_setup_irqs, |
| .read_hdmi_pixelclock = adv7604_read_hdmi_pixelclock, |
| .read_cable_det = adv7604_read_cable_det, |
| .recommended_settings = { |
| [0] = adv7604_recommended_settings_afe, |
| [1] = adv7604_recommended_settings_hdmi, |
| }, |
| .num_recommended_settings = { |
| [0] = ARRAY_SIZE(adv7604_recommended_settings_afe), |
| [1] = ARRAY_SIZE(adv7604_recommended_settings_hdmi), |
| }, |
| .page_mask = BIT(ADV76XX_PAGE_IO) | BIT(ADV7604_PAGE_AVLINK) | |
| BIT(ADV76XX_PAGE_CEC) | BIT(ADV76XX_PAGE_INFOFRAME) | |
| BIT(ADV7604_PAGE_ESDP) | BIT(ADV7604_PAGE_DPP) | |
| BIT(ADV76XX_PAGE_AFE) | BIT(ADV76XX_PAGE_REP) | |
| BIT(ADV76XX_PAGE_EDID) | BIT(ADV76XX_PAGE_HDMI) | |
| BIT(ADV76XX_PAGE_TEST) | BIT(ADV76XX_PAGE_CP) | |
| BIT(ADV7604_PAGE_VDP), |
| .linewidth_mask = 0xfff, |
| .field0_height_mask = 0xfff, |
| .field1_height_mask = 0xfff, |
| .hfrontporch_mask = 0x3ff, |
| .hsync_mask = 0x3ff, |
| .hbackporch_mask = 0x3ff, |
| .field0_vfrontporch_mask = 0x1fff, |
| .field0_vsync_mask = 0x1fff, |
| .field0_vbackporch_mask = 0x1fff, |
| .field1_vfrontporch_mask = 0x1fff, |
| .field1_vsync_mask = 0x1fff, |
| .field1_vbackporch_mask = 0x1fff, |
| }, |
| [ADV7611] = { |
| .type = ADV7611, |
| .has_afe = false, |
| .max_port = ADV76XX_PAD_HDMI_PORT_A, |
| .num_dv_ports = 1, |
| .edid_enable_reg = 0x74, |
| .edid_status_reg = 0x76, |
| .lcf_reg = 0xa3, |
| .tdms_lock_mask = 0x43, |
| .cable_det_mask = 0x01, |
| .fmt_change_digital_mask = 0x03, |
| .cp_csc = 0xf4, |
| .cec_irq_status = 0x93, |
| .cec_rx_enable = 0x2c, |
| .cec_rx_enable_mask = 0x02, |
| .formats = adv7611_formats, |
| .nformats = ARRAY_SIZE(adv7611_formats), |
| .set_termination = adv7611_set_termination, |
| .setup_irqs = adv7611_setup_irqs, |
| .read_hdmi_pixelclock = adv7611_read_hdmi_pixelclock, |
| .read_cable_det = adv7611_read_cable_det, |
| .recommended_settings = { |
| [1] = adv7611_recommended_settings_hdmi, |
| }, |
| .num_recommended_settings = { |
| [1] = ARRAY_SIZE(adv7611_recommended_settings_hdmi), |
| }, |
| .page_mask = BIT(ADV76XX_PAGE_IO) | BIT(ADV76XX_PAGE_CEC) | |
| BIT(ADV76XX_PAGE_INFOFRAME) | BIT(ADV76XX_PAGE_AFE) | |
| BIT(ADV76XX_PAGE_REP) | BIT(ADV76XX_PAGE_EDID) | |
| BIT(ADV76XX_PAGE_HDMI) | BIT(ADV76XX_PAGE_CP), |
| .linewidth_mask = 0x1fff, |
| .field0_height_mask = 0x1fff, |
| .field1_height_mask = 0x1fff, |
| .hfrontporch_mask = 0x1fff, |
| .hsync_mask = 0x1fff, |
| .hbackporch_mask = 0x1fff, |
| .field0_vfrontporch_mask = 0x3fff, |
| .field0_vsync_mask = 0x3fff, |
| .field0_vbackporch_mask = 0x3fff, |
| .field1_vfrontporch_mask = 0x3fff, |
| .field1_vsync_mask = 0x3fff, |
| .field1_vbackporch_mask = 0x3fff, |
| }, |
| [ADV7612] = { |
| .type = ADV7612, |
| .has_afe = false, |
| .max_port = ADV76XX_PAD_HDMI_PORT_A, /* B not supported */ |
| .num_dv_ports = 1, /* normally 2 */ |
| .edid_enable_reg = 0x74, |
| .edid_status_reg = 0x76, |
| .lcf_reg = 0xa3, |
| .tdms_lock_mask = 0x43, |
| .cable_det_mask = 0x01, |
| .fmt_change_digital_mask = 0x03, |
| .cp_csc = 0xf4, |
| .cec_irq_status = 0x93, |
| .cec_rx_enable = 0x2c, |
| .cec_rx_enable_mask = 0x02, |
| .formats = adv7612_formats, |
| .nformats = ARRAY_SIZE(adv7612_formats), |
| .set_termination = adv7611_set_termination, |
| .setup_irqs = adv7612_setup_irqs, |
| .read_hdmi_pixelclock = adv7611_read_hdmi_pixelclock, |
| .read_cable_det = adv7612_read_cable_det, |
| .recommended_settings = { |
| [1] = adv7612_recommended_settings_hdmi, |
| }, |
| .num_recommended_settings = { |
| [1] = ARRAY_SIZE(adv7612_recommended_settings_hdmi), |
| }, |
| .page_mask = BIT(ADV76XX_PAGE_IO) | BIT(ADV76XX_PAGE_CEC) | |
| BIT(ADV76XX_PAGE_INFOFRAME) | BIT(ADV76XX_PAGE_AFE) | |
| BIT(ADV76XX_PAGE_REP) | BIT(ADV76XX_PAGE_EDID) | |
| BIT(ADV76XX_PAGE_HDMI) | BIT(ADV76XX_PAGE_CP), |
| .linewidth_mask = 0x1fff, |
| .field0_height_mask = 0x1fff, |
| .field1_height_mask = 0x1fff, |
| .hfrontporch_mask = 0x1fff, |
| .hsync_mask = 0x1fff, |
| .hbackporch_mask = 0x1fff, |
| .field0_vfrontporch_mask = 0x3fff, |
| .field0_vsync_mask = 0x3fff, |
| .field0_vbackporch_mask = 0x3fff, |
| .field1_vfrontporch_mask = 0x3fff, |
| .field1_vsync_mask = 0x3fff, |
| .field1_vbackporch_mask = 0x3fff, |
| }, |
| }; |
| |
| static const struct i2c_device_id adv76xx_i2c_id[] = { |
| { "adv7604", (kernel_ulong_t)&adv76xx_chip_info[ADV7604] }, |
| { "adv7611", (kernel_ulong_t)&adv76xx_chip_info[ADV7611] }, |
| { "adv7612", (kernel_ulong_t)&adv76xx_chip_info[ADV7612] }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(i2c, adv76xx_i2c_id); |
| |
| static const struct of_device_id adv76xx_of_id[] __maybe_unused = { |
| { .compatible = "adi,adv7611", .data = &adv76xx_chip_info[ADV7611] }, |
| { .compatible = "adi,adv7612", .data = &adv76xx_chip_info[ADV7612] }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(of, adv76xx_of_id); |
| |
| static int adv76xx_parse_dt(struct adv76xx_state *state) |
| { |
| struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 }; |
| struct device_node *endpoint; |
| struct device_node *np; |
| unsigned int flags; |
| int ret; |
| u32 v; |
| |
| np = state->i2c_clients[ADV76XX_PAGE_IO]->dev.of_node; |
| |
| /* Parse the endpoint. */ |
| endpoint = of_graph_get_next_endpoint(np, NULL); |
| if (!endpoint) |
| return -EINVAL; |
| |
| ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(endpoint), &bus_cfg); |
| of_node_put(endpoint); |
| if (ret) |
| return ret; |
| |
| if (!of_property_read_u32(np, "default-input", &v)) |
| state->pdata.default_input = v; |
| else |
| state->pdata.default_input = -1; |
| |
| flags = bus_cfg.bus.parallel.flags; |
| |
| if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) |
| state->pdata.inv_hs_pol = 1; |
| |
| if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) |
| state->pdata.inv_vs_pol = 1; |
| |
| if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) |
| state->pdata.inv_llc_pol = 1; |
| |
| if (bus_cfg.bus_type == V4L2_MBUS_BT656) |
| state->pdata.insert_av_codes = 1; |
| |
| /* Disable the interrupt for now as no DT-based board uses it. */ |
| state->pdata.int1_config = ADV76XX_INT1_CONFIG_ACTIVE_HIGH; |
| |
| /* Hardcode the remaining platform data fields. */ |
| state->pdata.disable_pwrdnb = 0; |
| state->pdata.disable_cable_det_rst = 0; |
| state->pdata.blank_data = 1; |
| state->pdata.op_format_mode_sel = ADV7604_OP_FORMAT_MODE0; |
| state->pdata.bus_order = ADV7604_BUS_ORDER_RGB; |
| state->pdata.dr_str_data = ADV76XX_DR_STR_MEDIUM_HIGH; |
| state->pdata.dr_str_clk = ADV76XX_DR_STR_MEDIUM_HIGH; |
| state->pdata.dr_str_sync = ADV76XX_DR_STR_MEDIUM_HIGH; |
| |
| return 0; |
| } |
| |
| static const struct regmap_config adv76xx_regmap_cnf[] = { |
| { |
| .name = "io", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| { |
| .name = "avlink", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| { |
| .name = "cec", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| { |
| .name = "infoframe", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| { |
| .name = "esdp", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| { |
| .name = "epp", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| { |
| .name = "afe", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| { |
| .name = "rep", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| { |
| .name = "edid", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| |
| { |
| .name = "hdmi", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| { |
| .name = "test", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| { |
| .name = "cp", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| { |
| .name = "vdp", |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = 0xff, |
| .cache_type = REGCACHE_NONE, |
| }, |
| }; |
| |
| static int configure_regmap(struct adv76xx_state *state, int region) |
| { |
| int err; |
| |
| if (!state->i2c_clients[region]) |
| return -ENODEV; |
| |
| state->regmap[region] = |
| devm_regmap_init_i2c(state->i2c_clients[region], |
| &adv76xx_regmap_cnf[region]); |
| |
| if (IS_ERR(state->regmap[region])) { |
| err = PTR_ERR(state->regmap[region]); |
| v4l_err(state->i2c_clients[region], |
| "Error initializing regmap %d with error %d\n", |
| region, err); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int configure_regmaps(struct adv76xx_state *state) |
| { |
| int i, err; |
| |
| for (i = ADV7604_PAGE_AVLINK ; i < ADV76XX_PAGE_MAX; i++) { |
| err = configure_regmap(state, i); |
| if (err && (err != -ENODEV)) |
| return err; |
| } |
| return 0; |
| } |
| |
| static void adv76xx_reset(struct adv76xx_state *state) |
| { |
| if (state->reset_gpio) { |
| /* ADV76XX can be reset by a low reset pulse of minimum 5 ms. */ |
| gpiod_set_value_cansleep(state->reset_gpio, 0); |
| usleep_range(5000, 10000); |
| gpiod_set_value_cansleep(state->reset_gpio, 1); |
| /* It is recommended to wait 5 ms after the low pulse before */ |
| /* an I2C write is performed to the ADV76XX. */ |
| usleep_range(5000, 10000); |
| } |
| } |
| |
| static int adv76xx_probe(struct i2c_client *client, |
| const struct i2c_device_id *id) |
| { |
| static const struct v4l2_dv_timings cea640x480 = |
| V4L2_DV_BT_CEA_640X480P59_94; |
| struct adv76xx_state *state; |
| struct v4l2_ctrl_handler *hdl; |
| struct v4l2_ctrl *ctrl; |
| struct v4l2_subdev *sd; |
| unsigned int i; |
| unsigned int val, val2; |
| int err; |
| |
| /* Check if the adapter supports the needed features */ |
| if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
| return -EIO; |
| v4l_dbg(1, debug, client, "detecting adv76xx client on address 0x%x\n", |
| client->addr << 1); |
| |
| state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL); |
| if (!state) |
| return -ENOMEM; |
| |
| state->i2c_clients[ADV76XX_PAGE_IO] = client; |
| |
| /* initialize variables */ |
| state->restart_stdi_once = true; |
| state->selected_input = ~0; |
| |
| if (IS_ENABLED(CONFIG_OF) && client->dev.of_node) { |
| const struct of_device_id *oid; |
| |
| oid = of_match_node(adv76xx_of_id, client->dev.of_node); |
| state->info = oid->data; |
| |
| err = adv76xx_parse_dt(state); |
| if (err < 0) { |
| v4l_err(client, "DT parsing error\n"); |
| return err; |
| } |
| } else if (client->dev.platform_data) { |
| struct adv76xx_platform_data *pdata = client->dev.platform_data; |
| |
| state->info = (const struct adv76xx_chip_info *)id->driver_data; |
| state->pdata = *pdata; |
| } else { |
| v4l_err(client, "No platform data!\n"); |
| return -ENODEV; |
| } |
| |
| /* Request GPIOs. */ |
| for (i = 0; i < state->info->num_dv_ports; ++i) { |
| state->hpd_gpio[i] = |
| devm_gpiod_get_index_optional(&client->dev, "hpd", i, |
| GPIOD_OUT_LOW); |
| if (IS_ERR(state->hpd_gpio[i])) |
| return PTR_ERR(state->hpd_gpio[i]); |
| |
| if (state->hpd_gpio[i]) |
| v4l_info(client, "Handling HPD %u GPIO\n", i); |
| } |
| state->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", |
| GPIOD_OUT_HIGH); |
| if (IS_ERR(state->reset_gpio)) |
| return PTR_ERR(state->reset_gpio); |
| |
| adv76xx_reset(state); |
| |
| state->timings = cea640x480; |
| state->format = adv76xx_format_info(state, MEDIA_BUS_FMT_YUYV8_2X8); |
| |
| sd = &state->sd; |
| v4l2_i2c_subdev_init(sd, client, &adv76xx_ops); |
| snprintf(sd->name, sizeof(sd->name), "%s %d-%04x", |
| id->name, i2c_adapter_id(client->adapter), |
| client->addr); |
| sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; |
| sd->internal_ops = &adv76xx_int_ops; |
| |
| /* Configure IO Regmap region */ |
| err = configure_regmap(state, ADV76XX_PAGE_IO); |
| |
| if (err) { |
| v4l2_err(sd, "Error configuring IO regmap region\n"); |
| return -ENODEV; |
| } |
| |
| /* |
| * Verify that the chip is present. On ADV7604 the RD_INFO register only |
| * identifies the revision, while on ADV7611 it identifies the model as |
| * well. Use the HDMI slave address on ADV7604 and RD_INFO on ADV7611. |
| */ |
| switch (state->info->type) { |
| case ADV7604: |
| err = regmap_read(state->regmap[ADV76XX_PAGE_IO], 0xfb, &val); |
| if (err) { |
| v4l2_err(sd, "Error %d reading IO Regmap\n", err); |
| return -ENODEV; |
| } |
| if (val != 0x68) { |
| v4l2_err(sd, "not an adv7604 on address 0x%x\n", |
| client->addr << 1); |
| return -ENODEV; |
| } |
| break; |
| case ADV7611: |
| case ADV7612: |
| err = regmap_read(state->regmap[ADV76XX_PAGE_IO], |
| 0xea, |
| &val); |
| if (err) { |
| v4l2_err(sd, "Error %d reading IO Regmap\n", err); |
| return -ENODEV; |
| } |
| val2 = val << 8; |
| err = regmap_read(state->regmap[ADV76XX_PAGE_IO], |
| 0xeb, |
| &val); |
| if (err) { |
| v4l2_err(sd, "Error %d reading IO Regmap\n", err); |
| return -ENODEV; |
| } |
| val |= val2; |
| if ((state->info->type == ADV7611 && val != 0x2051) || |
| (state->info->type == ADV7612 && val != 0x2041)) { |
| v4l2_err(sd, "not an adv761x on address 0x%x\n", |
| client->addr << 1); |
| return -ENODEV; |
| } |
| break; |
| } |
| |
| /* control handlers */ |
| hdl = &state->hdl; |
| v4l2_ctrl_handler_init(hdl, adv76xx_has_afe(state) ? 9 : 8); |
| |
| v4l2_ctrl_new_std(hdl, &adv76xx_ctrl_ops, |
| V4L2_CID_BRIGHTNESS, -128, 127, 1, 0); |
| v4l2_ctrl_new_std(hdl, &adv76xx_ctrl_ops, |
| V4L2_CID_CONTRAST, 0, 255, 1, 128); |
| v4l2_ctrl_new_std(hdl, &adv76xx_ctrl_ops, |
| V4L2_CID_SATURATION, 0, 255, 1, 128); |
| v4l2_ctrl_new_std(hdl, &adv76xx_ctrl_ops, |
| V4L2_CID_HUE, 0, 128, 1, 0); |
| ctrl = v4l2_ctrl_new_std_menu(hdl, &adv76xx_ctrl_ops, |
| V4L2_CID_DV_RX_IT_CONTENT_TYPE, V4L2_DV_IT_CONTENT_TYPE_NO_ITC, |
| 0, V4L2_DV_IT_CONTENT_TYPE_NO_ITC); |
| if (ctrl) |
| ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; |
| |
| state->detect_tx_5v_ctrl = v4l2_ctrl_new_std(hdl, NULL, |
| V4L2_CID_DV_RX_POWER_PRESENT, 0, |
| (1 << state->info->num_dv_ports) - 1, 0, 0); |
| state->rgb_quantization_range_ctrl = |
| v4l2_ctrl_new_std_menu(hdl, &adv76xx_ctrl_ops, |
| V4L2_CID_DV_RX_RGB_RANGE, V4L2_DV_RGB_RANGE_FULL, |
| 0, V4L2_DV_RGB_RANGE_AUTO); |
| |
| /* custom controls */ |
| if (adv76xx_has_afe(state)) |
| state->analog_sampling_phase_ctrl = |
| v4l2_ctrl_new_custom(hdl, &adv7604_ctrl_analog_sampling_phase, NULL); |
| state->free_run_color_manual_ctrl = |
| v4l2_ctrl_new_custom(hdl, &adv76xx_ctrl_free_run_color_manual, NULL); |
| state->free_run_color_ctrl = |
| v4l2_ctrl_new_custom(hdl, &adv76xx_ctrl_free_run_color, NULL); |
| |
| sd->ctrl_handler = hdl; |
| if (hdl->error) { |
| err = hdl->error; |
| goto err_hdl; |
| } |
| if (adv76xx_s_detect_tx_5v_ctrl(sd)) { |
| err = -ENODEV; |
| goto err_hdl; |
| } |
| |
| for (i = 1; i < ADV76XX_PAGE_MAX; ++i) { |
| struct i2c_client *dummy_client; |
| |
| if (!(BIT(i) & state->info->page_mask)) |
| continue; |
| |
| dummy_client = adv76xx_dummy_client(sd, i); |
| if (IS_ERR(dummy_client)) { |
| err = PTR_ERR(dummy_client); |
| v4l2_err(sd, "failed to create i2c client %u\n", i); |
| goto err_i2c; |
| } |
| |
| state->i2c_clients[i] = dummy_client; |
| } |
| |
| INIT_DELAYED_WORK(&state->delayed_work_enable_hotplug, |
| adv76xx_delayed_work_enable_hotplug); |
| |
| state->source_pad = state->info->num_dv_ports |
| + (state->info->has_afe ? 2 : 0); |
| for (i = 0; i < state->source_pad; ++i) |
| state->pads[i].flags = MEDIA_PAD_FL_SINK; |
| state->pads[state->source_pad].flags = MEDIA_PAD_FL_SOURCE; |
| sd->entity.function = MEDIA_ENT_F_DV_DECODER; |
| |
| err = media_entity_pads_init(&sd->entity, state->source_pad + 1, |
| state->pads); |
| if (err) |
| goto err_work_queues; |
| |
| /* Configure regmaps */ |
| err = configure_regmaps(state); |
| if (err) |
| goto err_entity; |
| |
| err = adv76xx_core_init(sd); |
| if (err) |
| goto err_entity; |
| |
| if (client->irq) { |
| err = devm_request_threaded_irq(&client->dev, |
| client->irq, |
| NULL, adv76xx_irq_handler, |
| IRQF_TRIGGER_HIGH | IRQF_ONESHOT, |
| client->name, state); |
| if (err) |
| goto err_entity; |
| } |
| |
| #if IS_ENABLED(CONFIG_VIDEO_ADV7604_CEC) |
| state->cec_adap = cec_allocate_adapter(&adv76xx_cec_adap_ops, |
| state, dev_name(&client->dev), |
| CEC_CAP_DEFAULTS, ADV76XX_MAX_ADDRS); |
| err = PTR_ERR_OR_ZERO(state->cec_adap); |
| if (err) |
| goto err_entity; |
| #endif |
| |
| v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name, |
| client->addr << 1, client->adapter->name); |
| |
| err = v4l2_async_register_subdev(sd); |
| if (err) |
| goto err_entity; |
| |
| return 0; |
| |
| err_entity: |
| media_entity_cleanup(&sd->entity); |
| err_work_queues: |
| cancel_delayed_work(&state->delayed_work_enable_hotplug); |
| err_i2c: |
| adv76xx_unregister_clients(state); |
| err_hdl: |
| v4l2_ctrl_handler_free(hdl); |
| return err; |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static int adv76xx_remove(struct i2c_client *client) |
| { |
| struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| struct adv76xx_state *state = to_state(sd); |
| |
| /* disable interrupts */ |
| io_write(sd, 0x40, 0); |
| io_write(sd, 0x41, 0); |
| io_write(sd, 0x46, 0); |
| io_write(sd, 0x6e, 0); |
| io_write(sd, 0x73, 0); |
| |
| cancel_delayed_work(&state->delayed_work_enable_hotplug); |
| v4l2_async_unregister_subdev(sd); |
| media_entity_cleanup(&sd->entity); |
| adv76xx_unregister_clients(to_state(sd)); |
| v4l2_ctrl_handler_free(sd->ctrl_handler); |
| return 0; |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static struct i2c_driver adv76xx_driver = { |
| .driver = { |
| .name = "adv7604", |
| .of_match_table = of_match_ptr(adv76xx_of_id), |
| }, |
| .probe = adv76xx_probe, |
| .remove = adv76xx_remove, |
| .id_table = adv76xx_i2c_id, |
| }; |
| |
| module_i2c_driver(adv76xx_driver); |