405 lines
12 KiB
C
405 lines
12 KiB
C
/*
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* Copyright (C) 2012 - 2015 Apple Inc. All rights reserved.
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*
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* This document is the property of Apple Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Inc.
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*/
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#include <debug.h>
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#include <drivers/display.h>
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#include <drivers/flash_nor.h>
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#include <drivers/iic.h>
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#include <drivers/power.h>
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#include <lib/devicetree.h>
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#include <lib/env.h>
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#include <lib/mib.h>
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#include <lib/paint.h>
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#include <lib/syscfg.h>
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#include <platform.h>
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#include <platform/gpio.h>
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#include <platform/gpiodef.h>
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#include <platform/memmap.h>
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#include <sys.h>
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#include <sys/boot.h>
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#include <sys/menu.h>
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#include <sys/task.h>
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#include <target.h>
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#include <platform/soc/display_color_manager_tables.h>
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#if SUB_TARGET_J85 || SUB_TARGET_J86 || SUB_TARGET_J87
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#define IPAD4B_DEV1_PROTO0_REV (0x7)
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#define IPAD4B_DEV2_PROTO1_REV (0x6) // with Beacon backlight controller
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#define IPAD4B_EVT_REV (0x5) // removed Beacon
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#endif
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#if SUB_TARGET_J85M || SUB_TARGET_J86M || SUB_TARGET_J87M
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#define IPAD4BM_DEV1_PROTO0_REV (0x7)
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#endif
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static bool gpio_board_rev_valid;
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static u_int32_t gpio_board_rev;
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#if (APPLICATION_IBOOT && (PRODUCT_IBOOT || PRODUCT_IBEC))
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#include <drivers/displayport/displayport.h>
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static dp_t dp;
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#endif
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MIB_CONSTANT(kMIBTargetOsPictureScale, kOIDTypeUInt32, 2);
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MIB_CONSTANT(kMIBTargetPictureRotate, kOIDTypeInt32, 0);
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MIB_CONSTANT(kMIBTargetDisplayCMEngammaTablePtr, kOIDTypeStruct, (void *)linear_rgb_engamma_tables);
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MIB_CONSTANT(kMIBTargetDisplayCMEngammaTableCount, kOIDTypeUInt32, ARRAY_SIZE(linear_rgb_engamma_tables));
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MIB_CONSTANT(kMIBTargetDisplayCMDegammaTablePtr, kOIDTypeStruct, (void *)linear_rgb_degamma_tables);
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MIB_CONSTANT(kMIBTargetDisplayCMDegammaTableCount, kOIDTypeUInt32, ARRAY_SIZE(linear_rgb_degamma_tables));
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MIB_CONSTANT(kMIBTargetDisplayCMMatrixTablePtr, kOIDTypeStruct, (void *)linear_identity_matrix_tables);
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MIB_CONSTANT(kMIBTargetDisplayCMMatrixTableCount, kOIDTypeUInt32, ARRAY_SIZE(linear_identity_matrix_tables));
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// Don't panic for these targets because of <rdar://problem/14236421>.
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MIB_CONSTANT(kMIBTargetPanicOnUnknownDclrVersion, kOIDTypeBoolean, false);
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static u_int32_t ipad4b_get_board_rev(void)
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{
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if (!gpio_board_rev_valid) {
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gpio_configure(GPIO_BOARD_REV0, GPIO_CFG_IN);
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gpio_configure(GPIO_BOARD_REV1, GPIO_CFG_IN);
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gpio_configure(GPIO_BOARD_REV2, GPIO_CFG_IN);
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gpio_configure_pupdn(GPIO_BOARD_REV0, GPIO_PUP);
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gpio_configure_pupdn(GPIO_BOARD_REV1, GPIO_PUP);
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gpio_configure_pupdn(GPIO_BOARD_REV2, GPIO_PUP);
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spin(100); // Wait 100us
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gpio_board_rev =
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(gpio_read(GPIO_BOARD_REV2) << 2) |
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(gpio_read(GPIO_BOARD_REV1) << 1) |
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(gpio_read(GPIO_BOARD_REV0) << 0);
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gpio_configure(GPIO_BOARD_REV0, GPIO_CFG_DFLT);
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gpio_configure(GPIO_BOARD_REV1, GPIO_CFG_DFLT);
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gpio_configure(GPIO_BOARD_REV2, GPIO_CFG_DFLT);
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gpio_board_rev_valid = true;
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}
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return gpio_board_rev;
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}
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void target_early_init(void)
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{
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}
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void target_late_init(void)
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{
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}
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void target_init(void)
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{
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#if WITH_HW_FLASH_NOR
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flash_nor_init(SPI_NOR0);
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#endif
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// <rdar://problem/13372834> IRATE needs to be 25 mA on J85
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// WLED IRATE is in the low 3 bits, and 0x3 corresponds to 25mA. If OTP is
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// not properly programmed, use test mode to change to 25mA.
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uint8_t value;
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iic_read(0, 0x78, (uint8_t[]){0x06,0x07}, 2, &value, 1, IIC_NORMAL);
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if ((value & 0x7) != 3) {
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iic_write(0, 0x78, (uint8_t[]){0x70,0x00,0x1d},3);
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iic_write(0, 0x78, (uint8_t[]){0x06,0x07,(value & 0xf8) | 0x3}, 3);
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iic_write(0, 0x78, (uint8_t[]){0x70,0x00,0x00},3);
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}
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}
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void target_quiesce_hardware(void)
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{
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}
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void target_poweroff(void)
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{
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}
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int target_bootprep(enum boot_target target)
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{
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return 0;
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}
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bool target_should_recover(void)
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{
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return platform_get_request_dfu2() && power_has_usb();
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}
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bool target_should_poweron(bool *cold_button_boot)
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{
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#if WITH_HW_POWER
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if (power_get_boot_flag() == kPowerBootFlagColdButton) *cold_button_boot = true;
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#else
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*cold_button_boot = false;
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#endif // WITH_HW_POWER
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return !*cold_button_boot || platform_get_request_dfu1();
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}
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bool target_should_poweroff(bool at_boot)
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{
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return platform_get_request_dfu1() && (!at_boot || !power_has_usb());
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}
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bool beacon_supported()
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{
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bool supported = false;
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#if SUB_TARGET_J85 || SUB_TARGET_J86 || SUB_TARGET_J87
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supported = (ipad4b_get_board_rev() == IPAD4B_DEV2_PROTO1_REV) ? true:false;
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#endif
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return supported;
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}
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#if APPLICATION_IBOOT
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void target_watchdog_tickle(void)
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{
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u_int32_t value = gpio_read(GPIO_WDOG_TICKLE);
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gpio_write(GPIO_WDOG_TICKLE, value ^ 1);
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}
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#endif // APPLICATION_IBOOT
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void * target_get_display_configuration(void)
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{
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#if (APPLICATION_IBOOT && (PRODUCT_IBOOT || PRODUCT_IBEC))
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dp.mode = 0x1;
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dp.type = 0x1;
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dp.min_link_rate = 0x6;
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dp.max_link_rate = 0x6;
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dp.lanes = 0x4;
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dp.ssc = 0x0;
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dp.alpm = 0x0;
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dp.vrr_enable = 0x0;
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dp.vrr_on = 0x0;
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return ((void *)(&dp));
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#else
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return NULL;
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#endif
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}
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#if WITH_ENV
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void target_setup_default_environment(void)
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{
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env_set("boot-device", "asp_nand", 0);
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env_set("display-color-space","RGB888", 0);
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env_set("display-timing", "ipad4b", 0);
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}
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#endif // WITH_ENV
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#if WITH_DEVICETREE
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int target_update_device_tree(void)
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{
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#if WITH_HW_DISPLAY_EDP
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DTNode *clcd_node = NULL, *backlight_node = NULL, *lcd_node = NULL;
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#endif
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DTNode *node;
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uint32_t propSize;
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char *propName;
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void *propData;
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if (beacon_supported()) {
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panic("Unsupported board revision");
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}
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#if WITH_HW_DISPLAY_EDP
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if (FindNode(0, DP_DTPATH, &node)) {
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extern int edp_update_device_tree(DTNode *edp_node, DTNode *lcd_node, DTNode *clcd_node, DTNode *backlight_node);
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FindNode(0, "arm-io/disp0", &clcd_node);
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FindNode(0, DP_DTPATH "/lcd", &lcd_node);
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FindNode(0, "backlight", &backlight_node);
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edp_update_device_tree(node, lcd_node, clcd_node, backlight_node);
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}
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#endif
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// Update the codec node with acoustic transducer scale data
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{
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uint8_t atscData[20];
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if (syscfgCopyDataForTag('ATSc', atscData, sizeof(atscData)) > 0) {
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// Update codec
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if (FindNode(0, "arm-io/spi2/audio-codec", &node)) {
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propName = "at-scale-imic";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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memcpy(propData, &atscData[0], sizeof(uint32_t));
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}
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propName = "at-scale-smic";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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memcpy(propData, &atscData[4], sizeof(uint32_t));
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}
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}
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}
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}
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// Update the backlight calibration data
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if (FindNode(0, "backlight", &node)) {
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propName = "backlight-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('BLCl', propData, propSize);
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}
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}
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// Update the compass calibration data
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if (FindNode(0, "arm-io/uart4/oscar/compass", &node)) {
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propName = "compass-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('CPAS', propData, propSize);
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}
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}
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// Update the gyro calibration data
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if (FindNode(0, "arm-io/uart4/oscar/gyro", &node)) {
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propName = "gyro-orientation";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GRot', propData, propSize);
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}
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propName = "gyro-sensitivity-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GSCl', propData, propSize);
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}
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propName = "gyro-temp-table";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GYTT', propData, propSize);
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}
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propName = "gyro-interrupt-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GICl', propData, propSize);
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}
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}
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// Update accelerometer calibration data
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if (FindNode(0, "arm-io/uart4/oscar/accelerometer", &node)) {
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propName = "accel-orientation";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('ARot', propData, propSize);
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}
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propName = "low-temp-accel-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('LTAO', propData, propSize);
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}
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propName = "accel-sensitivity-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('ASCl', propData, propSize);
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}
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propName = "accel-interrupt-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('AICl', propData, propSize);
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}
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}
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// Update the bottom prox calibration data
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if (FindNode(0, "arm-io/i2c3/prox", &node)) {
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propName = "prox-calibration-blob";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('CPCl', propData, propSize);
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}
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}
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// Update the als calibration data
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if (FindNode(0, "arm-io/i2c3/als", &node)) {
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propName = "alsCalibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('LSCI', propData, propSize);
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}
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}
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// Update charger calibration data
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if (FindNode(0, "charger", &node)) {
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propName = "usb-input-limit-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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if ( syscfgCopyDataForTag('CBAT', propData, propSize)==20 ) {
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((uint32_t*)propData)[4]=0;
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}
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}
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}
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// Update the speaker calibration data
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if (FindNode(0, "arm-io/i2c2/audio-speaker0", &node)) {
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propName = "speaker-rdc";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('SRdc', propData, propSize);
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}
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propName = "speaker-config";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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uint8_t vpbr[2]; // calibrated @ 3.1V
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if (syscfgCopyDataForTag('VPBR', vpbr, sizeof(vpbr)) == 2) {
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((uint8_t *)propData)[12] = (((uint8_t *)propData)[12] & ~0x1f) | ( (vpbr[0]-1) & 0x1f);
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((uint8_t *)propData)[32] = (((uint8_t *)propData)[32] & ~0x1f) | ( (vpbr[1]-1) & 0x1f);
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}
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uint8_t vbst[2];
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if (syscfgCopyDataForTag('VBST', vbst, sizeof(vbst)) == 2) {
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((uint8_t *)propData)[16] = vbst[0];
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((uint8_t *)propData)[36] = vbst[1];
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}
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}
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}
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#if SUB_TARGET_J85M || SUB_TARGET_J86M || SUB_TARGET_J87M
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// Update the X162 calibration data
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if (FindNode(0, "arm-io/spi3/mesa", &node)) {
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propName = "calibration-blob";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('FSCl', propData, propSize);
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}
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propName = "modulation-ratio";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('NvMR', propData, propSize);
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}
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}
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#endif
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return 0;
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}
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#endif // WITH_DEVICETREE
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#if WITH_PAINT
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// The default background is expected to to be black and the artwork is expected
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// to be white. This arrangement will be inverted depending upon the cover glass
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// color of the device.
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// Sample DClr_override values for testing devices without DClr syscfg entries (enclosure/cover glass):
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// gray/black: setenv DClr_override 000200009B9899003C3B3B0000000000
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// silver/white: setenv DClr_override 00020000D8D9D700E3E4E10000000000
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static color_policy_invert_t target_cover_glass_color_table[] = {
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{ RGB( 59, 59, 60), false }, // Black - black background, white logo
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{ RGB(225, 228, 227), true }, // White - white background, black logo
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};
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color_policy_t *target_color_map_init(enum colorspace cs, color_policy_t *color_policy)
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{
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// Must have a color policy structure passed in.
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if (color_policy == NULL)
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goto fail;
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// We only support the RGB888 colorspace.
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if (cs != CS_RGB888)
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goto fail;
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color_policy->policy_type = COLOR_MAP_POLICY_INVERT;
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color_policy->color_table = (void *)target_cover_glass_color_table;
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color_policy->color_count = ARRAY_SIZE(target_cover_glass_color_table);
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color_policy->map_color = NULL; // Use standard remapper
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return color_policy;
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fail:
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return NULL;
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}
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#endif // WITH_PAINT
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