// SPDX-License-Identifier: GPL-2.0-only /* * Analog Devices ADV7511 HDMI transmitter driver * * Copyright 2012 Analog Devices Inc. */ #include <linux/clk.h> #include <linux/device.h> #include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/of_device.h> #include <linux/slab.h> #include <media/cec.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_edid.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include "adv7511.h" /* ADI recommended values for proper operation. */ static const struct reg_sequence adv7511_fixed_registers[] = { <------>{ 0x98, 0x03 }, <------>{ 0x9a, 0xe0 }, <------>{ 0x9c, 0x30 }, <------>{ 0x9d, 0x61 }, <------>{ 0xa2, 0xa4 }, <------>{ 0xa3, 0xa4 }, <------>{ 0xe0, 0xd0 }, <------>{ 0xf9, 0x00 }, <------>{ 0x55, 0x02 }, }; /* ----------------------------------------------------------------------------- * Register access */ static const uint8_t adv7511_register_defaults[] = { <------>0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00 */ <------>0x00, 0x00, 0x01, 0x0e, 0xbc, 0x18, 0x01, 0x13, <------>0x25, 0x37, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 10 */ <------>0x46, 0x62, 0x04, 0xa8, 0x00, 0x00, 0x1c, 0x84, <------>0x1c, 0xbf, 0x04, 0xa8, 0x1e, 0x70, 0x02, 0x1e, /* 20 */ <------>0x00, 0x00, 0x04, 0xa8, 0x08, 0x12, 0x1b, 0xac, <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 30 */ <------>0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xb0, <------>0x00, 0x50, 0x90, 0x7e, 0x79, 0x70, 0x00, 0x00, /* 40 */ <------>0x00, 0xa8, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, <------>0x00, 0x00, 0x02, 0x0d, 0x00, 0x00, 0x00, 0x00, /* 50 */ <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 60 */ <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, <------>0x01, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 70 */ <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 80 */ <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, <------>0x00, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 90 */ <------>0x0b, 0x02, 0x00, 0x18, 0x5a, 0x60, 0x00, 0x00, <------>0x00, 0x00, 0x80, 0x80, 0x08, 0x04, 0x00, 0x00, /* a0 */ <------>0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x40, 0x14, <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* b0 */ <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* c0 */ <------>0x00, 0x03, 0x00, 0x00, 0x02, 0x00, 0x01, 0x04, <------>0x30, 0xff, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, /* d0 */ <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x01, <------>0x80, 0x75, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, /* e0 */ <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, <------>0x00, 0x00, 0x00, 0x00, 0x00, 0x75, 0x11, 0x00, /* f0 */ <------>0x00, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }; static bool adv7511_register_volatile(struct device *dev, unsigned int reg) { <------>switch (reg) { <------>case ADV7511_REG_CHIP_REVISION: <------>case ADV7511_REG_SPDIF_FREQ: <------>case ADV7511_REG_CTS_AUTOMATIC1: <------>case ADV7511_REG_CTS_AUTOMATIC2: <------>case ADV7511_REG_VIC_DETECTED: <------>case ADV7511_REG_VIC_SEND: <------>case ADV7511_REG_AUX_VIC_DETECTED: <------>case ADV7511_REG_STATUS: <------>case ADV7511_REG_GC(1): <------>case ADV7511_REG_INT(0): <------>case ADV7511_REG_INT(1): <------>case ADV7511_REG_PLL_STATUS: <------>case ADV7511_REG_AN(0): <------>case ADV7511_REG_AN(1): <------>case ADV7511_REG_AN(2): <------>case ADV7511_REG_AN(3): <------>case ADV7511_REG_AN(4): <------>case ADV7511_REG_AN(5): <------>case ADV7511_REG_AN(6): <------>case ADV7511_REG_AN(7): <------>case ADV7511_REG_HDCP_STATUS: <------>case ADV7511_REG_BCAPS: <------>case ADV7511_REG_BKSV(0): <------>case ADV7511_REG_BKSV(1): <------>case ADV7511_REG_BKSV(2): <------>case ADV7511_REG_BKSV(3): <------>case ADV7511_REG_BKSV(4): <------>case ADV7511_REG_DDC_STATUS: <------>case ADV7511_REG_EDID_READ_CTRL: <------>case ADV7511_REG_BSTATUS(0): <------>case ADV7511_REG_BSTATUS(1): <------>case ADV7511_REG_CHIP_ID_HIGH: <------>case ADV7511_REG_CHIP_ID_LOW: <------><------>return true; <------>} <------>return false; } static const struct regmap_config adv7511_regmap_config = { <------>.reg_bits = 8, <------>.val_bits = 8, <------>.max_register = 0xff, <------>.cache_type = REGCACHE_RBTREE, <------>.reg_defaults_raw = adv7511_register_defaults, <------>.num_reg_defaults_raw = ARRAY_SIZE(adv7511_register_defaults), <------>.volatile_reg = adv7511_register_volatile, }; /* ----------------------------------------------------------------------------- * Hardware configuration */ static void adv7511_set_colormap(struct adv7511 *adv7511, bool enable, <------><------><------><------> const uint16_t *coeff, <------><------><------><------> unsigned int scaling_factor) { <------>unsigned int i; <------>regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(1), <------><------><------> ADV7511_CSC_UPDATE_MODE, ADV7511_CSC_UPDATE_MODE); <------>if (enable) { <------><------>for (i = 0; i < 12; ++i) { <------><------><------>regmap_update_bits(adv7511->regmap, <------><------><------><------><------> ADV7511_REG_CSC_UPPER(i), <------><------><------><------><------> 0x1f, coeff[i] >> 8); <------><------><------>regmap_write(adv7511->regmap, <------><------><------><------> ADV7511_REG_CSC_LOWER(i), <------><------><------><------> coeff[i] & 0xff); <------><------>} <------>} <------>if (enable) <------><------>regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(0), <------><------><------><------> 0xe0, 0x80 | (scaling_factor << 5)); <------>else <------><------>regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(0), <------><------><------><------> 0x80, 0x00); <------>regmap_update_bits(adv7511->regmap, ADV7511_REG_CSC_UPPER(1), <------><------><------> ADV7511_CSC_UPDATE_MODE, 0); } static int adv7511_packet_enable(struct adv7511 *adv7511, unsigned int packet) { <------>if (packet & 0xff) <------><------>regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE0, <------><------><------><------> packet, 0xff); <------>if (packet & 0xff00) { <------><------>packet >>= 8; <------><------>regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, <------><------><------><------> packet, 0xff); <------>} <------>return 0; } static int adv7511_packet_disable(struct adv7511 *adv7511, unsigned int packet) { <------>if (packet & 0xff) <------><------>regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE0, <------><------><------><------> packet, 0x00); <------>if (packet & 0xff00) { <------><------>packet >>= 8; <------><------>regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, <------><------><------><------> packet, 0x00); <------>} <------>return 0; } /* Coefficients for adv7511 color space conversion */ static const uint16_t adv7511_csc_ycbcr_to_rgb[] = { <------>0x0734, 0x04ad, 0x0000, 0x1c1b, <------>0x1ddc, 0x04ad, 0x1f24, 0x0135, <------>0x0000, 0x04ad, 0x087c, 0x1b77, }; static void adv7511_set_config_csc(struct adv7511 *adv7511, <------><------><------><------> struct drm_connector *connector, <------><------><------><------> bool rgb, bool hdmi_mode) { <------>struct adv7511_video_config config; <------>bool output_format_422, output_format_ycbcr; <------>unsigned int mode; <------>uint8_t infoframe[17]; <------>config.hdmi_mode = hdmi_mode; <------>hdmi_avi_infoframe_init(&config.avi_infoframe); <------>config.avi_infoframe.scan_mode = HDMI_SCAN_MODE_UNDERSCAN; <------>if (rgb) { <------><------>config.csc_enable = false; <------><------>config.avi_infoframe.colorspace = HDMI_COLORSPACE_RGB; <------>} else { <------><------>config.csc_scaling_factor = ADV7511_CSC_SCALING_4; <------><------>config.csc_coefficents = adv7511_csc_ycbcr_to_rgb; <------><------>if ((connector->display_info.color_formats & <------><------> DRM_COLOR_FORMAT_YCRCB422) && <------><------> config.hdmi_mode) { <------><------><------>config.csc_enable = false; <------><------><------>config.avi_infoframe.colorspace = <------><------><------><------>HDMI_COLORSPACE_YUV422; <------><------>} else { <------><------><------>config.csc_enable = true; <------><------><------>config.avi_infoframe.colorspace = HDMI_COLORSPACE_RGB; <------><------>} <------>} <------>if (config.hdmi_mode) { <------><------>mode = ADV7511_HDMI_CFG_MODE_HDMI; <------><------>switch (config.avi_infoframe.colorspace) { <------><------>case HDMI_COLORSPACE_YUV444: <------><------><------>output_format_422 = false; <------><------><------>output_format_ycbcr = true; <------><------><------>break; <------><------>case HDMI_COLORSPACE_YUV422: <------><------><------>output_format_422 = true; <------><------><------>output_format_ycbcr = true; <------><------><------>break; <------><------>default: <------><------><------>output_format_422 = false; <------><------><------>output_format_ycbcr = false; <------><------><------>break; <------><------>} <------>} else { <------><------>mode = ADV7511_HDMI_CFG_MODE_DVI; <------><------>output_format_422 = false; <------><------>output_format_ycbcr = false; <------>} <------>adv7511_packet_disable(adv7511, ADV7511_PACKET_ENABLE_AVI_INFOFRAME); <------>adv7511_set_colormap(adv7511, config.csc_enable, <------><------><------> config.csc_coefficents, <------><------><------> config.csc_scaling_factor); <------>regmap_update_bits(adv7511->regmap, ADV7511_REG_VIDEO_INPUT_CFG1, 0x81, <------><------><------> (output_format_422 << 7) | output_format_ycbcr); <------>regmap_update_bits(adv7511->regmap, ADV7511_REG_HDCP_HDMI_CFG, <------><------><------> ADV7511_HDMI_CFG_MODE_MASK, mode); <------>hdmi_avi_infoframe_pack(&config.avi_infoframe, infoframe, <------><------><------><------>sizeof(infoframe)); <------>/* The AVI infoframe id is not configurable */ <------>regmap_bulk_write(adv7511->regmap, ADV7511_REG_AVI_INFOFRAME_VERSION, <------><------><------> infoframe + 1, sizeof(infoframe) - 1); <------>adv7511_packet_enable(adv7511, ADV7511_PACKET_ENABLE_AVI_INFOFRAME); } static void adv7511_set_link_config(struct adv7511 *adv7511, <------><------><------><------> const struct adv7511_link_config *config) { <------>/* <------> * The input style values documented in the datasheet don't match the <------> * hardware register field values :-( <------> */ <------>static const unsigned int input_styles[4] = { 0, 2, 1, 3 }; <------>unsigned int clock_delay; <------>unsigned int color_depth; <------>unsigned int input_id; <------>clock_delay = (config->clock_delay + 1200) / 400; <------>color_depth = config->input_color_depth == 8 ? 3 <------><------> : (config->input_color_depth == 10 ? 1 : 2); <------>/* TODO Support input ID 6 */ <------>if (config->input_colorspace != HDMI_COLORSPACE_YUV422) <------><------>input_id = config->input_clock == ADV7511_INPUT_CLOCK_DDR <------><------><------> ? 5 : 0; <------>else if (config->input_clock == ADV7511_INPUT_CLOCK_DDR) <------><------>input_id = config->embedded_sync ? 8 : 7; <------>else if (config->input_clock == ADV7511_INPUT_CLOCK_2X) <------><------>input_id = config->embedded_sync ? 4 : 3; <------>else <------><------>input_id = config->embedded_sync ? 2 : 1; <------>regmap_update_bits(adv7511->regmap, ADV7511_REG_I2C_FREQ_ID_CFG, 0xf, <------><------><------> input_id); <------>regmap_update_bits(adv7511->regmap, ADV7511_REG_VIDEO_INPUT_CFG1, 0x7e, <------><------><------> (color_depth << 4) | <------><------><------> (input_styles[config->input_style] << 2)); <------>regmap_write(adv7511->regmap, ADV7511_REG_VIDEO_INPUT_CFG2, <------><------> config->input_justification << 3); <------>regmap_write(adv7511->regmap, ADV7511_REG_TIMING_GEN_SEQ, <------><------> config->sync_pulse << 2); <------>regmap_write(adv7511->regmap, 0xba, clock_delay << 5); <------>adv7511->embedded_sync = config->embedded_sync; <------>adv7511->hsync_polarity = config->hsync_polarity; <------>adv7511->vsync_polarity = config->vsync_polarity; <------>adv7511->rgb = config->input_colorspace == HDMI_COLORSPACE_RGB; } static void __adv7511_power_on(struct adv7511 *adv7511) { <------>adv7511->current_edid_segment = -1; <------>regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER, <------><------><------> ADV7511_POWER_POWER_DOWN, 0); <------>if (adv7511->i2c_main->irq) { <------><------>/* <------><------> * Documentation says the INT_ENABLE registers are reset in <------><------> * POWER_DOWN mode. My 7511w preserved the bits, however. <------><------> * Still, let's be safe and stick to the documentation. <------><------> */ <------><------>regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(0), <------><------><------> ADV7511_INT0_EDID_READY | ADV7511_INT0_HPD); <------><------>regmap_update_bits(adv7511->regmap, <------><------><------><------> ADV7511_REG_INT_ENABLE(1), <------><------><------><------> ADV7511_INT1_DDC_ERROR, <------><------><------><------> ADV7511_INT1_DDC_ERROR); <------>} <------>/* <------> * Per spec it is allowed to pulse the HPD signal to indicate that the <------> * EDID information has changed. Some monitors do this when they wakeup <------> * from standby or are enabled. When the HPD goes low the adv7511 is <------> * reset and the outputs are disabled which might cause the monitor to <------> * go to standby again. To avoid this we ignore the HPD pin for the <------> * first few seconds after enabling the output. On the other hand <------> * adv7535 require to enable HPD Override bit for proper HPD. <------> */ <------>if (adv7511->type == ADV7535) <------><------>regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, <------><------><------><------> ADV7535_REG_POWER2_HPD_OVERRIDE, <------><------><------><------> ADV7535_REG_POWER2_HPD_OVERRIDE); <------>else <------><------>regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, <------><------><------><------> ADV7511_REG_POWER2_HPD_SRC_MASK, <------><------><------><------> ADV7511_REG_POWER2_HPD_SRC_NONE); <------>/* HACK: If we don't delay here edid probing doesn't work properly */ <------>msleep(200); } static void adv7511_power_on(struct adv7511 *adv7511) { <------>__adv7511_power_on(adv7511); <------>/* <------> * Most of the registers are reset during power down or when HPD is low. <------> */ <------>regcache_sync(adv7511->regmap); <------>if (adv7511->type == ADV7533 || adv7511->type == ADV7535) <------><------>adv7533_dsi_power_on(adv7511); <------>adv7511->powered = true; } static void __adv7511_power_off(struct adv7511 *adv7511) { <------>/* TODO: setup additional power down modes */ <------>if (adv7511->type == ADV7535) <------><------>regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, <------><------><------><------> ADV7535_REG_POWER2_HPD_OVERRIDE, 0); <------>regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER, <------><------><------> ADV7511_POWER_POWER_DOWN, <------><------><------> ADV7511_POWER_POWER_DOWN); <------>regmap_update_bits(adv7511->regmap, <------><------><------> ADV7511_REG_INT_ENABLE(1), <------><------><------> ADV7511_INT1_DDC_ERROR, 0); <------>regcache_mark_dirty(adv7511->regmap); } static void adv7511_power_off(struct adv7511 *adv7511) { <------>__adv7511_power_off(adv7511); <------>if (adv7511->type == ADV7533 || adv7511->type == ADV7535) <------><------>adv7533_dsi_power_off(adv7511); <------>adv7511->powered = false; } /* ----------------------------------------------------------------------------- * Interrupt and hotplug detection */ static bool adv7511_hpd(struct adv7511 *adv7511) { <------>unsigned int irq0; <------>int ret; <------>ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(0), &irq0); <------>if (ret < 0) <------><------>return false; <------>if (irq0 & ADV7511_INT0_HPD) { <------><------>regmap_write(adv7511->regmap, ADV7511_REG_INT(0), <------><------><------> ADV7511_INT0_HPD); <------><------>return true; <------>} <------>return false; } static void adv7511_hpd_work(struct work_struct *work) { <------>struct adv7511 *adv7511 = container_of(work, struct adv7511, hpd_work); <------>enum drm_connector_status status; <------>unsigned int val; <------>int ret; <------>ret = regmap_read(adv7511->regmap, ADV7511_REG_STATUS, &val); <------>if (ret < 0) <------><------>status = connector_status_disconnected; <------>else if (val & ADV7511_STATUS_HPD) <------><------>status = connector_status_connected; <------>else <------><------>status = connector_status_disconnected; <------>/* <------> * The bridge resets its registers on unplug. So when we get a plug <------> * event and we're already supposed to be powered, cycle the bridge to <------> * restore its state. <------> */ <------>if (status == connector_status_connected && <------> adv7511->connector.status == connector_status_disconnected && <------> adv7511->powered) { <------><------>regcache_mark_dirty(adv7511->regmap); <------><------>adv7511_power_on(adv7511); <------>} <------>if (adv7511->connector.status != status) { <------><------>adv7511->connector.status = status; <------><------>if (adv7511->connector.dev) { <------><------><------>if (status == connector_status_disconnected) <------><------><------><------>cec_phys_addr_invalidate(adv7511->cec_adap); <------><------><------>drm_kms_helper_hotplug_event(adv7511->connector.dev); <------><------>} else { <------><------><------>drm_bridge_hpd_notify(&adv7511->bridge, status); <------><------>} <------>} } static int adv7511_irq_process(struct adv7511 *adv7511, bool process_hpd) { <------>unsigned int irq0, irq1; <------>int ret; <------>ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(0), &irq0); <------>if (ret < 0) <------><------>return ret; <------>ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(1), &irq1); <------>if (ret < 0) <------><------>return ret; <------>regmap_write(adv7511->regmap, ADV7511_REG_INT(0), irq0); <------>regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1); <------>if (process_hpd && irq0 & ADV7511_INT0_HPD && adv7511->bridge.encoder) <------><------>schedule_work(&adv7511->hpd_work); <------>if (irq0 & ADV7511_INT0_EDID_READY || irq1 & ADV7511_INT1_DDC_ERROR) { <------><------>adv7511->edid_read = true; <------><------>if (adv7511->i2c_main->irq) <------><------><------>wake_up_all(&adv7511->wq); <------>} #ifdef CONFIG_DRM_I2C_ADV7511_CEC <------>adv7511_cec_irq_process(adv7511, irq1); #endif <------>return 0; } static irqreturn_t adv7511_irq_handler(int irq, void *devid) { <------>struct adv7511 *adv7511 = devid; <------>int ret; <------>ret = adv7511_irq_process(adv7511, true); <------>return ret < 0 ? IRQ_NONE : IRQ_HANDLED; } /* ----------------------------------------------------------------------------- * EDID retrieval */ static int adv7511_wait_for_edid(struct adv7511 *adv7511, int timeout) { <------>int ret; <------>if (adv7511->i2c_main->irq) { <------><------>ret = wait_event_interruptible_timeout(adv7511->wq, <------><------><------><------>adv7511->edid_read, msecs_to_jiffies(timeout)); <------>} else { <------><------>for (; timeout > 0; timeout -= 25) { <------><------><------>ret = adv7511_irq_process(adv7511, false); <------><------><------>if (ret < 0) <------><------><------><------>break; <------><------><------>if (adv7511->edid_read) <------><------><------><------>break; <------><------><------>msleep(25); <------><------>} <------>} <------>return adv7511->edid_read ? 0 : -EIO; } static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block, <------><------><------><------> size_t len) { <------>struct adv7511 *adv7511 = data; <------>struct i2c_msg xfer[2]; <------>uint8_t offset; <------>unsigned int i; <------>int ret; <------>if (len > 128) <------><------>return -EINVAL; <------>if (adv7511->current_edid_segment != block / 2) { <------><------>unsigned int status; <------><------>ret = regmap_read(adv7511->regmap, ADV7511_REG_DDC_STATUS, <------><------><------><------> &status); <------><------>if (ret < 0) <------><------><------>return ret; <------><------>if (status != 2) { <------><------><------>adv7511->edid_read = false; <------><------><------>regmap_write(adv7511->regmap, ADV7511_REG_EDID_SEGMENT, <------><------><------><------> block); <------><------><------>ret = adv7511_wait_for_edid(adv7511, 200); <------><------><------>if (ret < 0) <------><------><------><------>return ret; <------><------>} <------><------>/* Break this apart, hopefully more I2C controllers will <------><------> * support 64 byte transfers than 256 byte transfers <------><------> */ <------><------>xfer[0].addr = adv7511->i2c_edid->addr; <------><------>xfer[0].flags = 0; <------><------>xfer[0].len = 1; <------><------>xfer[0].buf = &offset; <------><------>xfer[1].addr = adv7511->i2c_edid->addr; <------><------>xfer[1].flags = I2C_M_RD; <------><------>xfer[1].len = 64; <------><------>xfer[1].buf = adv7511->edid_buf; <------><------>offset = 0; <------><------>for (i = 0; i < 4; ++i) { <------><------><------>ret = i2c_transfer(adv7511->i2c_edid->adapter, xfer, <------><------><------><------><------> ARRAY_SIZE(xfer)); <------><------><------>if (ret < 0) <------><------><------><------>return ret; <------><------><------>else if (ret != 2) <------><------><------><------>return -EIO; <------><------><------>xfer[1].buf += 64; <------><------><------>offset += 64; <------><------>} <------><------>adv7511->current_edid_segment = block / 2; <------>} <------>if (block % 2 == 0) <------><------>memcpy(buf, adv7511->edid_buf, len); <------>else <------><------>memcpy(buf, adv7511->edid_buf + 128, len); <------>return 0; } /* ----------------------------------------------------------------------------- * ADV75xx helpers */ static struct edid *adv7511_get_edid(struct adv7511 *adv7511, <------><------><------><------> struct drm_connector *connector) { <------>struct edid *edid; <------>/* Reading the EDID only works if the device is powered */ <------>if (!adv7511->powered) { <------><------>unsigned int edid_i2c_addr = <------><------><------><------><------>(adv7511->i2c_edid->addr << 1); <------><------>__adv7511_power_on(adv7511); <------><------>/* Reset the EDID_I2C_ADDR register as it might be cleared */ <------><------>regmap_write(adv7511->regmap, ADV7511_REG_EDID_I2C_ADDR, <------><------><------> edid_i2c_addr); <------>} <------>edid = drm_do_get_edid(connector, adv7511_get_edid_block, adv7511); <------>if (!adv7511->powered) <------><------>__adv7511_power_off(adv7511); <------>adv7511_set_config_csc(adv7511, connector, adv7511->rgb, <------><------><------> drm_detect_hdmi_monitor(edid)); <------>cec_s_phys_addr_from_edid(adv7511->cec_adap, edid); <------>return edid; } static int adv7511_get_modes(struct adv7511 *adv7511, <------><------><------> struct drm_connector *connector) { <------>struct edid *edid; <------>unsigned int count; <------>edid = adv7511_get_edid(adv7511, connector); <------>drm_connector_update_edid_property(connector, edid); <------>count = drm_add_edid_modes(connector, edid); <------>kfree(edid); <------>return count; } static enum drm_connector_status adv7511_detect(struct adv7511 *adv7511, struct drm_connector *connector) { <------>enum drm_connector_status status; <------>unsigned int val; <------>bool hpd; <------>int ret; <------>ret = regmap_read(adv7511->regmap, ADV7511_REG_STATUS, &val); <------>if (ret < 0) <------><------>return connector_status_disconnected; <------>if (val & ADV7511_STATUS_HPD) <------><------>status = connector_status_connected; <------>else <------><------>status = connector_status_disconnected; <------>hpd = adv7511_hpd(adv7511); <------>/* The chip resets itself when the cable is disconnected, so in case <------> * there is a pending HPD interrupt and the cable is connected there was <------> * at least one transition from disconnected to connected and the chip <------> * has to be reinitialized. */ <------>if (status == connector_status_connected && hpd && adv7511->powered) { <------><------>regcache_mark_dirty(adv7511->regmap); <------><------>adv7511_power_on(adv7511); <------><------>if (connector) <------><------><------>adv7511_get_modes(adv7511, connector); <------><------>if (adv7511->status == connector_status_connected) <------><------><------>status = connector_status_disconnected; <------>} else { <------><------>/* Renable HPD sensing */ <------><------>if (adv7511->type == ADV7535) <------><------><------>regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, <------><------><------><------><------> ADV7535_REG_POWER2_HPD_OVERRIDE, <------><------><------><------><------> ADV7535_REG_POWER2_HPD_OVERRIDE); <------><------>else <------><------><------>regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, <------><------><------><------><------> ADV7511_REG_POWER2_HPD_SRC_MASK, <------><------><------><------><------> ADV7511_REG_POWER2_HPD_SRC_BOTH); <------>} <------>adv7511->status = status; <------>return status; } static enum drm_mode_status adv7511_mode_valid(struct adv7511 *adv7511, <------><------><------> struct drm_display_mode *mode) { <------>if (mode->clock > 165000) <------><------>return MODE_CLOCK_HIGH; <------>return MODE_OK; } static void adv7511_mode_set(struct adv7511 *adv7511, <------><------><------> const struct drm_display_mode *mode, <------><------><------> const struct drm_display_mode *adj_mode) { <------>unsigned int low_refresh_rate; <------>unsigned int hsync_polarity = 0; <------>unsigned int vsync_polarity = 0; <------>if (adv7511->embedded_sync) { <------><------>unsigned int hsync_offset, hsync_len; <------><------>unsigned int vsync_offset, vsync_len; <------><------>hsync_offset = adj_mode->crtc_hsync_start - <------><------><------> adj_mode->crtc_hdisplay; <------><------>vsync_offset = adj_mode->crtc_vsync_start - <------><------><------> adj_mode->crtc_vdisplay; <------><------>hsync_len = adj_mode->crtc_hsync_end - <------><------><------> adj_mode->crtc_hsync_start; <------><------>vsync_len = adj_mode->crtc_vsync_end - <------><------><------> adj_mode->crtc_vsync_start; <------><------>/* The hardware vsync generator has a off-by-one bug */ <------><------>vsync_offset += 1; <------><------>regmap_write(adv7511->regmap, ADV7511_REG_HSYNC_PLACEMENT_MSB, <------><------><------> ((hsync_offset >> 10) & 0x7) << 5); <------><------>regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(0), <------><------><------> (hsync_offset >> 2) & 0xff); <------><------>regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(1), <------><------><------> ((hsync_offset & 0x3) << 6) | <------><------><------> ((hsync_len >> 4) & 0x3f)); <------><------>regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(2), <------><------><------> ((hsync_len & 0xf) << 4) | <------><------><------> ((vsync_offset >> 6) & 0xf)); <------><------>regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(3), <------><------><------> ((vsync_offset & 0x3f) << 2) | <------><------><------> ((vsync_len >> 8) & 0x3)); <------><------>regmap_write(adv7511->regmap, ADV7511_REG_SYNC_DECODER(4), <------><------><------> vsync_len & 0xff); <------><------>hsync_polarity = !(adj_mode->flags & DRM_MODE_FLAG_PHSYNC); <------><------>vsync_polarity = !(adj_mode->flags & DRM_MODE_FLAG_PVSYNC); <------>} else { <------><------>enum adv7511_sync_polarity mode_hsync_polarity; <------><------>enum adv7511_sync_polarity mode_vsync_polarity; <------><------>/** <------><------> * If the input signal is always low or always high we want to <------><------> * invert or let it passthrough depending on the polarity of the <------><------> * current mode. <------><------> **/ <------><------>if (adj_mode->flags & DRM_MODE_FLAG_NHSYNC) <------><------><------>mode_hsync_polarity = ADV7511_SYNC_POLARITY_LOW; <------><------>else <------><------><------>mode_hsync_polarity = ADV7511_SYNC_POLARITY_HIGH; <------><------>if (adj_mode->flags & DRM_MODE_FLAG_NVSYNC) <------><------><------>mode_vsync_polarity = ADV7511_SYNC_POLARITY_LOW; <------><------>else <------><------><------>mode_vsync_polarity = ADV7511_SYNC_POLARITY_HIGH; <------><------>if (adv7511->hsync_polarity != mode_hsync_polarity && <------><------> adv7511->hsync_polarity != <------><------> ADV7511_SYNC_POLARITY_PASSTHROUGH) <------><------><------>hsync_polarity = 1; <------><------>if (adv7511->vsync_polarity != mode_vsync_polarity && <------><------> adv7511->vsync_polarity != <------><------> ADV7511_SYNC_POLARITY_PASSTHROUGH) <------><------><------>vsync_polarity = 1; <------>} <------>if (drm_mode_vrefresh(mode) <= 24) <------><------>low_refresh_rate = ADV7511_LOW_REFRESH_RATE_24HZ; <------>else if (drm_mode_vrefresh(mode) <= 25) <------><------>low_refresh_rate = ADV7511_LOW_REFRESH_RATE_25HZ; <------>else if (drm_mode_vrefresh(mode) <= 30) <------><------>low_refresh_rate = ADV7511_LOW_REFRESH_RATE_30HZ; <------>else <------><------>low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE; <------>regmap_update_bits(adv7511->regmap, 0xfb, <------><------>0x6, low_refresh_rate << 1); <------>regmap_update_bits(adv7511->regmap, 0x17, <------><------>0x60, (vsync_polarity << 6) | (hsync_polarity << 5)); <------>if (adv7511->type == ADV7533 || adv7511->type == ADV7535) <------><------>adv7533_mode_set(adv7511, adj_mode); <------>drm_mode_copy(&adv7511->curr_mode, adj_mode); <------>/* <------> * TODO Test first order 4:2:2 to 4:4:4 up conversion method, which is <------> * supposed to give better results. <------> */ <------>adv7511->f_tmds = mode->clock; } /* ----------------------------------------------------------------------------- * DRM Connector Operations */ static struct adv7511 *connector_to_adv7511(struct drm_connector *connector) { <------>return container_of(connector, struct adv7511, connector); } static int adv7511_connector_get_modes(struct drm_connector *connector) { <------>struct adv7511 *adv = connector_to_adv7511(connector); <------>return adv7511_get_modes(adv, connector); } static enum drm_mode_status adv7511_connector_mode_valid(struct drm_connector *connector, <------><------><------> struct drm_display_mode *mode) { <------>struct adv7511 *adv = connector_to_adv7511(connector); <------>return adv7511_mode_valid(adv, mode); } static struct drm_connector_helper_funcs adv7511_connector_helper_funcs = { <------>.get_modes = adv7511_connector_get_modes, <------>.mode_valid = adv7511_connector_mode_valid, }; static enum drm_connector_status adv7511_connector_detect(struct drm_connector *connector, bool force) { <------>struct adv7511 *adv = connector_to_adv7511(connector); <------>return adv7511_detect(adv, connector); } static const struct drm_connector_funcs adv7511_connector_funcs = { <------>.fill_modes = drm_helper_probe_single_connector_modes, <------>.detect = adv7511_connector_detect, <------>.destroy = drm_connector_cleanup, <------>.reset = drm_atomic_helper_connector_reset, <------>.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, <------>.atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; static int adv7511_connector_init(struct adv7511 *adv) { <------>struct drm_bridge *bridge = &adv->bridge; <------>int ret; <------>if (!bridge->encoder) { <------><------>DRM_ERROR("Parent encoder object not found"); <------><------>return -ENODEV; <------>} <------>if (adv->i2c_main->irq) <------><------>adv->connector.polled = DRM_CONNECTOR_POLL_HPD; <------>else <------><------>adv->connector.polled = DRM_CONNECTOR_POLL_CONNECT | <------><------><------><------>DRM_CONNECTOR_POLL_DISCONNECT; <------>ret = drm_connector_init(bridge->dev, &adv->connector, <------><------><------><------> &adv7511_connector_funcs, <------><------><------><------> DRM_MODE_CONNECTOR_HDMIA); <------>if (ret < 0) { <------><------>DRM_ERROR("Failed to initialize connector with drm\n"); <------><------>return ret; <------>} <------>drm_connector_helper_add(&adv->connector, <------><------><------><------> &adv7511_connector_helper_funcs); <------>drm_connector_attach_encoder(&adv->connector, bridge->encoder); <------>return 0; } /* ----------------------------------------------------------------------------- * DRM Bridge Operations */ static struct adv7511 *bridge_to_adv7511(struct drm_bridge *bridge) { <------>return container_of(bridge, struct adv7511, bridge); } static void adv7511_bridge_enable(struct drm_bridge *bridge) { <------>struct adv7511 *adv = bridge_to_adv7511(bridge); <------>adv7511_power_on(adv); } static void adv7511_bridge_disable(struct drm_bridge *bridge) { <------>struct adv7511 *adv = bridge_to_adv7511(bridge); <------>adv7511_power_off(adv); } static void adv7511_bridge_mode_set(struct drm_bridge *bridge, <------><------><------><------> const struct drm_display_mode *mode, <------><------><------><------> const struct drm_display_mode *adj_mode) { <------>struct adv7511 *adv = bridge_to_adv7511(bridge); <------>adv7511_mode_set(adv, mode, adj_mode); } static int adv7511_bridge_attach(struct drm_bridge *bridge, <------><------><------><------> enum drm_bridge_attach_flags flags) { <------>struct adv7511 *adv = bridge_to_adv7511(bridge); <------>int ret = 0; <------>if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) { <------><------>ret = adv7511_connector_init(adv); <------><------>if (ret < 0) <------><------><------>return ret; <------>} <------>if (adv->type == ADV7533 || adv->type == ADV7535) <------><------>ret = adv7533_attach_dsi(adv); <------>if (adv->i2c_main->irq) <------><------>regmap_write(adv->regmap, ADV7511_REG_INT_ENABLE(0), <------><------><------> ADV7511_INT0_HPD); <------>return ret; } static enum drm_connector_status adv7511_bridge_detect(struct drm_bridge *bridge) { <------>struct adv7511 *adv = bridge_to_adv7511(bridge); <------>return adv7511_detect(adv, NULL); } static struct edid *adv7511_bridge_get_edid(struct drm_bridge *bridge, <------><------><------><------><------> struct drm_connector *connector) { <------>struct adv7511 *adv = bridge_to_adv7511(bridge); <------>return adv7511_get_edid(adv, connector); } static void adv7511_bridge_hpd_notify(struct drm_bridge *bridge, <------><------><------><------> enum drm_connector_status status) { <------>struct adv7511 *adv = bridge_to_adv7511(bridge); <------>if (status == connector_status_disconnected) <------><------>cec_phys_addr_invalidate(adv->cec_adap); } static const struct drm_bridge_funcs adv7511_bridge_funcs = { <------>.enable = adv7511_bridge_enable, <------>.disable = adv7511_bridge_disable, <------>.mode_set = adv7511_bridge_mode_set, <------>.attach = adv7511_bridge_attach, <------>.detect = adv7511_bridge_detect, <------>.get_edid = adv7511_bridge_get_edid, <------>.hpd_notify = adv7511_bridge_hpd_notify, }; /* ----------------------------------------------------------------------------- * Probe & remove */ static const char * const adv7511_supply_names[] = { <------>"avdd", <------>"dvdd", <------>"pvdd", <------>"bgvdd", <------>"dvdd-3v", }; static const char * const adv7533_supply_names[] = { <------>"avdd", <------>"dvdd", <------>"pvdd", <------>"a2vdd", <------>"v3p3", <------>"v1p2", }; static int adv7511_init_regulators(struct adv7511 *adv) { <------>struct device *dev = &adv->i2c_main->dev; <------>const char * const *supply_names; <------>unsigned int i; <------>int ret; <------>if (adv->type == ADV7511) { <------><------>supply_names = adv7511_supply_names; <------><------>adv->num_supplies = ARRAY_SIZE(adv7511_supply_names); <------>} else { <------><------>supply_names = adv7533_supply_names; <------><------>adv->num_supplies = ARRAY_SIZE(adv7533_supply_names); <------>} <------>adv->supplies = devm_kcalloc(dev, adv->num_supplies, <------><------><------><------> sizeof(*adv->supplies), GFP_KERNEL); <------>if (!adv->supplies) <------><------>return -ENOMEM; <------>for (i = 0; i < adv->num_supplies; i++) <------><------>adv->supplies[i].supply = supply_names[i]; <------>ret = devm_regulator_bulk_get(dev, adv->num_supplies, adv->supplies); <------>if (ret) <------><------>return ret; <------>return regulator_bulk_enable(adv->num_supplies, adv->supplies); } static void adv7511_uninit_regulators(struct adv7511 *adv) { <------>regulator_bulk_disable(adv->num_supplies, adv->supplies); } static bool adv7511_cec_register_volatile(struct device *dev, unsigned int reg) { <------>struct i2c_client *i2c = to_i2c_client(dev); <------>struct adv7511 *adv7511 = i2c_get_clientdata(i2c); <------>if (adv7511->type == ADV7533 || adv7511->type == ADV7535) <------><------>reg -= ADV7533_REG_CEC_OFFSET; <------>switch (reg) { <------>case ADV7511_REG_CEC_RX_FRAME_HDR: <------>case ADV7511_REG_CEC_RX_FRAME_DATA0... <------><------>ADV7511_REG_CEC_RX_FRAME_DATA0 + 14: <------>case ADV7511_REG_CEC_RX_FRAME_LEN: <------>case ADV7511_REG_CEC_RX_BUFFERS: <------>case ADV7511_REG_CEC_TX_LOW_DRV_CNT: <------><------>return true; <------>} <------>return false; } static const struct regmap_config adv7511_cec_regmap_config = { <------>.reg_bits = 8, <------>.val_bits = 8, <------>.max_register = 0xff, <------>.cache_type = REGCACHE_RBTREE, <------>.volatile_reg = adv7511_cec_register_volatile, }; static int adv7511_init_cec_regmap(struct adv7511 *adv) { <------>int ret; <------>adv->i2c_cec = i2c_new_ancillary_device(adv->i2c_main, "cec", <------><------><------><------><------><------>ADV7511_CEC_I2C_ADDR_DEFAULT); <------>if (IS_ERR(adv->i2c_cec)) <------><------>return PTR_ERR(adv->i2c_cec); <------>i2c_set_clientdata(adv->i2c_cec, adv); <------>adv->regmap_cec = devm_regmap_init_i2c(adv->i2c_cec, <------><------><------><------><------>&adv7511_cec_regmap_config); <------>if (IS_ERR(adv->regmap_cec)) { <------><------>ret = PTR_ERR(adv->regmap_cec); <------><------>goto err; <------>} <------>if (adv->type == ADV7533 || adv->type == ADV7535) { <------><------>ret = adv7533_patch_cec_registers(adv); <------><------>if (ret) <------><------><------>goto err; <------>} <------>return 0; err: <------>i2c_unregister_device(adv->i2c_cec); <------>return ret; } static int adv7511_parse_dt(struct device_node *np, <------><------><------> struct adv7511_link_config *config) { <------>const char *str; <------>int ret; <------>of_property_read_u32(np, "adi,input-depth", &config->input_color_depth); <------>if (config->input_color_depth != 8 && config->input_color_depth != 10 && <------> config->input_color_depth != 12) <------><------>return -EINVAL; <------>ret = of_property_read_string(np, "adi,input-colorspace", &str); <------>if (ret < 0) <------><------>return ret; <------>if (!strcmp(str, "rgb")) <------><------>config->input_colorspace = HDMI_COLORSPACE_RGB; <------>else if (!strcmp(str, "yuv422")) <------><------>config->input_colorspace = HDMI_COLORSPACE_YUV422; <------>else if (!strcmp(str, "yuv444")) <------><------>config->input_colorspace = HDMI_COLORSPACE_YUV444; <------>else <------><------>return -EINVAL; <------>ret = of_property_read_string(np, "adi,input-clock", &str); <------>if (ret < 0) <------><------>return ret; <------>if (!strcmp(str, "1x")) <------><------>config->input_clock = ADV7511_INPUT_CLOCK_1X; <------>else if (!strcmp(str, "2x")) <------><------>config->input_clock = ADV7511_INPUT_CLOCK_2X; <------>else if (!strcmp(str, "ddr")) <------><------>config->input_clock = ADV7511_INPUT_CLOCK_DDR; <------>else <------><------>return -EINVAL; <------>if (config->input_colorspace == HDMI_COLORSPACE_YUV422 || <------> config->input_clock != ADV7511_INPUT_CLOCK_1X) { <------><------>ret = of_property_read_u32(np, "adi,input-style", <------><------><------><------><------> &config->input_style); <------><------>if (ret) <------><------><------>return ret; <------><------>if (config->input_style < 1 || config->input_style > 3) <------><------><------>return -EINVAL; <------><------>ret = of_property_read_string(np, "adi,input-justification", <------><------><------><------><------> &str); <------><------>if (ret < 0) <------><------><------>return ret; <------><------>if (!strcmp(str, "left")) <------><------><------>config->input_justification = <------><------><------><------>ADV7511_INPUT_JUSTIFICATION_LEFT; <------><------>else if (!strcmp(str, "evenly")) <------><------><------>config->input_justification = <------><------><------><------>ADV7511_INPUT_JUSTIFICATION_EVENLY; <------><------>else if (!strcmp(str, "right")) <------><------><------>config->input_justification = <------><------><------><------>ADV7511_INPUT_JUSTIFICATION_RIGHT; <------><------>else <------><------><------>return -EINVAL; <------>} else { <------><------>config->input_style = 1; <------><------>config->input_justification = ADV7511_INPUT_JUSTIFICATION_LEFT; <------>} <------>of_property_read_u32(np, "adi,clock-delay", &config->clock_delay); <------>if (config->clock_delay < -1200 || config->clock_delay > 1600) <------><------>return -EINVAL; <------>config->embedded_sync = of_property_read_bool(np, "adi,embedded-sync"); <------>/* Hardcode the sync pulse configurations for now. */ <------>config->sync_pulse = ADV7511_INPUT_SYNC_PULSE_NONE; <------>config->vsync_polarity = ADV7511_SYNC_POLARITY_PASSTHROUGH; <------>config->hsync_polarity = ADV7511_SYNC_POLARITY_PASSTHROUGH; <------>return 0; } static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { <------>struct adv7511_link_config link_config; <------>struct adv7511 *adv7511; <------>struct device *dev = &i2c->dev; <------>unsigned int val; <------>int ret; <------>if (!dev->of_node) <------><------>return -EINVAL; <------>adv7511 = devm_kzalloc(dev, sizeof(*adv7511), GFP_KERNEL); <------>if (!adv7511) <------><------>return -ENOMEM; <------>adv7511->i2c_main = i2c; <------>adv7511->powered = false; <------>adv7511->status = connector_status_disconnected; <------>if (dev->of_node) <------><------>adv7511->type = (enum adv7511_type)of_device_get_match_data(dev); <------>else <------><------>adv7511->type = id->driver_data; <------>memset(&link_config, 0, sizeof(link_config)); <------>if (adv7511->type == ADV7511) <------><------>ret = adv7511_parse_dt(dev->of_node, &link_config); <------>else <------><------>ret = adv7533_parse_dt(dev->of_node, adv7511); <------>if (ret) <------><------>return ret; <------>ret = adv7511_init_regulators(adv7511); <------>if (ret) { <------><------>dev_err(dev, "failed to init regulators\n"); <------><------>return ret; <------>} <------>/* <------> * The power down GPIO is optional. If present, toggle it from active to <------> * inactive to wake up the encoder. <------> */ <------>adv7511->gpio_pd = devm_gpiod_get_optional(dev, "pd", GPIOD_OUT_HIGH); <------>if (IS_ERR(adv7511->gpio_pd)) { <------><------>ret = PTR_ERR(adv7511->gpio_pd); <------><------>goto uninit_regulators; <------>} <------>if (adv7511->gpio_pd) { <------><------>usleep_range(5000, 6000); <------><------>gpiod_set_value_cansleep(adv7511->gpio_pd, 0); <------>} <------>adv7511->regmap = devm_regmap_init_i2c(i2c, &adv7511_regmap_config); <------>if (IS_ERR(adv7511->regmap)) { <------><------>ret = PTR_ERR(adv7511->regmap); <------><------>goto uninit_regulators; <------>} <------>ret = regmap_read(adv7511->regmap, ADV7511_REG_CHIP_REVISION, &val); <------>if (ret) <------><------>goto uninit_regulators; <------>dev_dbg(dev, "Rev. %d\n", val); <------>if (adv7511->type == ADV7511) <------><------>ret = regmap_register_patch(adv7511->regmap, <------><------><------><------><------> adv7511_fixed_registers, <------><------><------><------><------> ARRAY_SIZE(adv7511_fixed_registers)); <------>else <------><------>ret = adv7533_patch_registers(adv7511); <------>if (ret) <------><------>goto uninit_regulators; <------>adv7511_packet_disable(adv7511, 0xffff); <------>adv7511->i2c_edid = i2c_new_ancillary_device(i2c, "edid", <------><------><------><------><------>ADV7511_EDID_I2C_ADDR_DEFAULT); <------>if (IS_ERR(adv7511->i2c_edid)) { <------><------>ret = PTR_ERR(adv7511->i2c_edid); <------><------>goto uninit_regulators; <------>} <------>regmap_write(adv7511->regmap, ADV7511_REG_EDID_I2C_ADDR, <------><------> adv7511->i2c_edid->addr << 1); <------>adv7511->i2c_packet = i2c_new_ancillary_device(i2c, "packet", <------><------><------><------><------>ADV7511_PACKET_I2C_ADDR_DEFAULT); <------>if (IS_ERR(adv7511->i2c_packet)) { <------><------>ret = PTR_ERR(adv7511->i2c_packet); <------><------>goto err_i2c_unregister_edid; <------>} <------>regmap_write(adv7511->regmap, ADV7511_REG_PACKET_I2C_ADDR, <------><------> adv7511->i2c_packet->addr << 1); <------>ret = adv7511_init_cec_regmap(adv7511); <------>if (ret) <------><------>goto err_i2c_unregister_packet; <------>regmap_write(adv7511->regmap, ADV7511_REG_CEC_I2C_ADDR, <------><------> adv7511->i2c_cec->addr << 1); <------>INIT_WORK(&adv7511->hpd_work, adv7511_hpd_work); <------>if (i2c->irq) { <------><------>init_waitqueue_head(&adv7511->wq); <------><------>ret = devm_request_threaded_irq(dev, i2c->irq, NULL, <------><------><------><------><------><------>adv7511_irq_handler, <------><------><------><------><------><------>IRQF_ONESHOT, dev_name(dev), <------><------><------><------><------><------>adv7511); <------><------>if (ret) <------><------><------>goto err_unregister_cec; <------>} <------>adv7511_power_off(adv7511); <------>i2c_set_clientdata(i2c, adv7511); <------>if (adv7511->type == ADV7511) <------><------>adv7511_set_link_config(adv7511, &link_config); <------>ret = adv7511_cec_init(dev, adv7511); <------>if (ret) <------><------>goto err_unregister_cec; <------>adv7511->bridge.funcs = &adv7511_bridge_funcs; <------>adv7511->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID <------><------><------> | DRM_BRIDGE_OP_HPD; <------>adv7511->bridge.of_node = dev->of_node; <------>adv7511->bridge.type = DRM_MODE_CONNECTOR_HDMIA; <------>drm_bridge_add(&adv7511->bridge); <------>adv7511_audio_init(dev, adv7511); <------>return 0; err_unregister_cec: <------>i2c_unregister_device(adv7511->i2c_cec); <------>if (adv7511->cec_clk) <------><------>clk_disable_unprepare(adv7511->cec_clk); err_i2c_unregister_packet: <------>i2c_unregister_device(adv7511->i2c_packet); err_i2c_unregister_edid: <------>i2c_unregister_device(adv7511->i2c_edid); uninit_regulators: <------>adv7511_uninit_regulators(adv7511); <------>return ret; } static int adv7511_remove(struct i2c_client *i2c) { <------>struct adv7511 *adv7511 = i2c_get_clientdata(i2c); <------>if (adv7511->type == ADV7533 || adv7511->type == ADV7535) <------><------>adv7533_detach_dsi(adv7511); <------>i2c_unregister_device(adv7511->i2c_cec); <------>if (adv7511->cec_clk) <------><------>clk_disable_unprepare(adv7511->cec_clk); <------>adv7511_uninit_regulators(adv7511); <------>drm_bridge_remove(&adv7511->bridge); <------>adv7511_audio_exit(adv7511); <------>cec_unregister_adapter(adv7511->cec_adap); <------>i2c_unregister_device(adv7511->i2c_packet); <------>i2c_unregister_device(adv7511->i2c_edid); <------>return 0; } static const struct i2c_device_id adv7511_i2c_ids[] = { <------>{ "adv7511", ADV7511 }, <------>{ "adv7511w", ADV7511 }, <------>{ "adv7513", ADV7511 }, <------>{ "adv7533", ADV7533 }, <------>{ "adv7535", ADV7535 }, <------>{ } }; MODULE_DEVICE_TABLE(i2c, adv7511_i2c_ids); static const struct of_device_id adv7511_of_ids[] = { <------>{ .compatible = "adi,adv7511", .data = (void *)ADV7511 }, <------>{ .compatible = "adi,adv7511w", .data = (void *)ADV7511 }, <------>{ .compatible = "adi,adv7513", .data = (void *)ADV7511 }, <------>{ .compatible = "adi,adv7533", .data = (void *)ADV7533 }, <------>{ .compatible = "adi,adv7535", .data = (void *)ADV7535 }, <------>{ } }; MODULE_DEVICE_TABLE(of, adv7511_of_ids); static struct mipi_dsi_driver adv7533_dsi_driver = { <------>.driver.name = "adv7533", }; static struct i2c_driver adv7511_driver = { <------>.driver = { <------><------>.name = "adv7511", <------><------>.of_match_table = adv7511_of_ids, <------>}, <------>.id_table = adv7511_i2c_ids, <------>.probe = adv7511_probe, <------>.remove = adv7511_remove, }; static int __init adv7511_init(void) { <------>if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) <------><------>mipi_dsi_driver_register(&adv7533_dsi_driver); <------>return i2c_add_driver(&adv7511_driver); } module_init(adv7511_init); static void __exit adv7511_exit(void) { <------>i2c_del_driver(&adv7511_driver); <------>if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) <------><------>mipi_dsi_driver_unregister(&adv7533_dsi_driver); } module_exit(adv7511_exit); MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); MODULE_DESCRIPTION("ADV7511 HDMI transmitter driver"); MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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