180 lines
6.8 KiB
C
180 lines
6.8 KiB
C
//
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// Copyright 2024 Wenting Zhang <zephray@outlook.com>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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#include <stdio.h>
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#include "pico/stdlib.h"
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#include "hardware/i2c.h"
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#include "config.h"
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#include "adv7611.h"
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#include "edid.h"
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#ifdef INPUT_ADV7611
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#define ADV7611_INT_PIN (1)
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#define ADV7611_RST_PIN (25)
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#define ADV7611_I2C (i2c1)
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#define ADV7611_I2C_ADDR (0x4C)
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// Sub addresses, make sure they don't conflict with anything else!
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#define CEC_I2C_ADDR (0x40) // Default 0x80(0x40)
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#define INFOFRAME_I2C_ADDR (0x3E) // Default 0x7C(0x3E)
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#define DPLL_I2C_ADDR (0x26) // Default 0x26(0x4C)
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#define KSV_I2C_ADDR (0x32) // Default 0x32(0x64)
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#define EDID_I2C_ADDR (0x36) // Default 0x36(0x6C)
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#define HDMI_I2C_ADDR (0x34) // Default 0x34(0x68)
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#define CP_I2C_ADDR (0x23) // Default 0x22(0x44)
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static const uint8_t adv7611_init_0[] = {
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ADV7611_I2C_ADDR, 0xf4, (CEC_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0xf5, (INFOFRAME_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0xf8, (DPLL_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0xf9, (KSV_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0xfa, (EDID_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0xfb, (HDMI_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0xfd, (CP_I2C_ADDR << 1),
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};
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static const uint8_t adv7611_init_1[] = {
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ADV7611_I2C_ADDR, 0xf4, (CEC_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0xf5, (INFOFRAME_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0xf8, (DPLL_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0xf9, (KSV_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0xfa, (EDID_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0xfb, (HDMI_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0xfd, (CP_I2C_ADDR << 1),
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ADV7611_I2C_ADDR, 0x01, 0x05, // Prim_mode = 110b HDMI-GR
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ADV7611_I2C_ADDR, 0x00, 0x13,
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ADV7611_I2C_ADDR, 0x02, 0xf2, // F8 = YUV, F2 = RGB
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ADV7611_I2C_ADDR, 0x03, 0x40, // 40 = 444
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ADV7611_I2C_ADDR, 0x04, 0x42, // P[23:16] V/R, P[15:8] Y/G, P[7:0] U/CrCb/B CLK=28.63636MHz
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ADV7611_I2C_ADDR, 0x05, 0x28,
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ADV7611_I2C_ADDR, 0x06, 0xa7,
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ADV7611_I2C_ADDR, 0x0b, 0x44,
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ADV7611_I2C_ADDR, 0x0C, 0x42,
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ADV7611_I2C_ADDR, 0x15, 0x80,
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ADV7611_I2C_ADDR, 0x19, 0x8a,
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ADV7611_I2C_ADDR, 0x33, 0x40,
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ADV7611_I2C_ADDR, 0x14, 0x3f,
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CP_I2C_ADDR, 0xba, 0x01,
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CP_I2C_ADDR, 0x7c, 0x01,
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KSV_I2C_ADDR, 0x40, 0x81, // DSP_Ctrl4 :00/01 : YUV or RGB; 10 : RAW8; 11 : RAW10
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HDMI_I2C_ADDR, 0x9b, 0x03, // ADI recommanded setting
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HDMI_I2C_ADDR, 0xc1, 0x01, // ADI recommanded setting
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HDMI_I2C_ADDR, 0xc2, 0x01, // ADI recommanded setting
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HDMI_I2C_ADDR, 0xc3, 0x01, // ADI recommanded setting
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HDMI_I2C_ADDR, 0xc4, 0x01, // ADI recommanded setting
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HDMI_I2C_ADDR, 0xc5, 0x01, // ADI recommanded setting
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HDMI_I2C_ADDR, 0xc6, 0x01, // ADI recommanded setting
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HDMI_I2C_ADDR, 0xc7, 0x01, // ADI recommanded setting
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HDMI_I2C_ADDR, 0xc8, 0x01, // ADI recommanded setting
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HDMI_I2C_ADDR, 0xc9, 0x01, // ADI recommanded settin g
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HDMI_I2C_ADDR, 0xca, 0x01, // ADI recommanded setting
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HDMI_I2C_ADDR, 0xcb, 0x01, // ADI recommanded setting
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HDMI_I2C_ADDR, 0xcc, 0x01, // ADI recommanded setting
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HDMI_I2C_ADDR, 0x00, 0x00, // Set HDMI input Port A
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HDMI_I2C_ADDR, 0x83, 0xfe, // terminator for Port A
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HDMI_I2C_ADDR, 0x6f, 0x08, // ADI recommended setting
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HDMI_I2C_ADDR, 0x85, 0x1f, // ADI recommended setting
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HDMI_I2C_ADDR, 0x87, 0x70, // ADI recommended setting
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HDMI_I2C_ADDR, 0x8d, 0x04, // LFG
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HDMI_I2C_ADDR, 0x8e, 0x1e, // HFG
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HDMI_I2C_ADDR, 0x1a, 0x8a, // unmute audio
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HDMI_I2C_ADDR, 0x57, 0xda, // ADI recommended setting
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HDMI_I2C_ADDR, 0x58, 0x01,
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HDMI_I2C_ADDR, 0x75, 0x10,
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HDMI_I2C_ADDR, 0x6c, 0xa3, // enable manual HPA
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ADV7611_I2C_ADDR, 0x20, 0x70, // HPD low
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KSV_I2C_ADDR, 0x74, 0x00, // disable internal EDID
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};
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static const uint8_t adv7611_init_2[] = {
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KSV_I2C_ADDR, 0x74, 0x01, // Enable the Internal EDID for Ports
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ADV7611_I2C_ADDR, 0x20, 0xf0, // HPD high
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HDMI_I2C_ADDR, 0x6c, 0xa2, // disable manual HPA
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ADV7611_I2C_ADDR, 0xf4, 0x00
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};
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static void adv7611_send_init_seq(const uint8_t *seq, int entries) {
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uint8_t addr;
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uint8_t buf[2];
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int result;
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for (int i = 0; i < entries; i++) {
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addr = seq[i*3];
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buf[0] = seq[i*3 + 1];
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buf[1] = seq[i*3 + 2];
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result = i2c_write_blocking(ADV7611_I2C, addr, buf, 2, false);
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if (result != 2) {
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fatal("Failed writing data to ADV7611\n");
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}
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}
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}
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static void adv7611_load_edid(uint8_t *edid) {
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uint8_t buf[2];
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int result;
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for (int i = 0; i < 128; i++) {
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buf[0] = i;
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buf[1] = edid[i];
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result = i2c_write_blocking(ADV7611_I2C, EDID_I2C_ADDR, buf, 2, false);
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if (result != 2) {
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fatal("Failed writing data to ADV7611\n");
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}
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}
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}
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void adv7611_early_init() {
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// Initialize IO, reset ADV7611 and allocate I2C addresses
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// So it won't conflict with other ICs
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gpio_init(ADV7611_RST_PIN);
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gpio_set_dir(ADV7611_RST_PIN, GPIO_OUT);
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gpio_init(ADV7611_INT_PIN);
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gpio_set_dir(ADV7611_INT_PIN, GPIO_IN);
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gpio_put(ADV7611_RST_PIN, 1);
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sleep_ms(100);
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gpio_put(ADV7611_RST_PIN, 0);
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sleep_ms(100);
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gpio_put(ADV7611_RST_PIN, 1);
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sleep_ms(100);
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}
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void adv7611_init() {
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adv7611_send_init_seq(adv7611_init_0, sizeof(adv7611_init_0) / 3);
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adv7611_send_init_seq(adv7611_init_1, sizeof(adv7611_init_1) / 3);
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uint8_t *edid = edid_get_raw();
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adv7611_load_edid(edid + 1);
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adv7611_send_init_seq(adv7611_init_2, sizeof(adv7611_init_2) / 3);
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printf("ADV7611 initialization done\n");
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}
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bool adv7611_is_valid(void) {
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return false; // TODO
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}
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#endif
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