523 lines
14 KiB
C
523 lines
14 KiB
C
/*
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* Copyright (C) 2013-2015 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/power.h>
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#include <drivers/iic.h>
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#include <lib/env.h>
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#include <lib/mib.h>
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#include <lib/syscfg.h>
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#include <platform.h>
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#include <platform/gpiodef.h>
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#include <platform/soc/chipid.h>
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#include <target.h>
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#include <drivers/display.h>
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#if (APPLICATION_IBOOT && (PRODUCT_IBOOT || PRODUCT_IBEC))
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#include <drivers/displayport/displayport.h>
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#endif
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// Board ids
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#define J81_AP_BOARD_ID (0x6)
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#define J81_DEV_BOARD_ID (0x7)
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#define J82_AP_BOARD_ID (0x2)
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#define J82_DEV_BOARD_ID (0x3)
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// Board revs
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#define J81_DEV1_BOARD_REV (0x2)
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#define J81_PROTO2_BOARD_REV (0x4)
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#define J81_PREEVT_BOARD_REV (0x5)
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static uint32_t ipad5b_get_board_rev(void);
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typedef enum {
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DISPLAY_UNKNOWN = 0,
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DISPLAY_J72 = 2,
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DISPLAY_POR = 3,
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} ipad5b_display_t;
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static bool gpio_board_rev_valid;
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static uint32_t gpio_board_rev;
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static bool gpio_display_id_valid;
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static ipad5b_display_t display_panel;
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// Display panel id sense pins
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#define GPIO_DISPLAY_ID0 GPIO( 18, 1) // 145: I2S4_MCK -> GPIO_DISPLAY_ID0 (JA118)
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#define GPIO_DISPLAY_ID1 GPIO( 5, 3) // 43 : I2S1_MCK -> GPIO_DISPLAY_ID1 (JA119)
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MIB_CONSTANT(kMIBTargetOsPictureScale, kOIDTypeUInt32, 2);
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MIB_CONSTANT(kMIBTargetPictureRotate, kOIDTypeInt32, 0);
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#if (APPLICATION_IBOOT && (PRODUCT_IBOOT || PRODUCT_IBEC))
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static dp_t dp;
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#endif
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void ipad5b_detect_display(void)
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{
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/*-----------------------------
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Display ID [1:0] = [GPIO43: GPIO145]
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Display ID [1:0]
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POR 0b11 (no jumpers stuffed)
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J72 0b10 (JA118 stuffed)
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Unused 0b01 (JA119 stuffed)
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Unused 0b00 (both JA118 and JA119 stuffed)
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S/W Read Flow
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1. Set GPIO as input
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2. Enable PU and disable PD
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3. Read
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------------------------------*/
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static const char *display_panel_name[] = {
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[DISPLAY_UNKNOWN] = "Unknown",
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[DISPLAY_J72] = "J72",
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[DISPLAY_POR] = "POR",
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};
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gpio_configure(GPIO_DISPLAY_ID0, GPIO_CFG_IN);
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gpio_configure(GPIO_DISPLAY_ID1, GPIO_CFG_IN);
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gpio_configure_pupdn(GPIO_DISPLAY_ID0, GPIO_PUP);
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gpio_configure_pupdn(GPIO_DISPLAY_ID1, GPIO_PUP);
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spin(100); // Wait 100us
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display_panel = (gpio_read(GPIO_DISPLAY_ID1) << 1) | gpio_read(GPIO_DISPLAY_ID0);
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dprintf(DEBUG_INFO, "Display panel = %s\n",
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display_panel_name[display_panel]);
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gpio_configure(GPIO_DISPLAY_ID0, GPIO_CFG_DFLT);
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gpio_configure(GPIO_DISPLAY_ID1, GPIO_CFG_DFLT);
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gpio_display_id_valid = true;
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}
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static uint32_t ipad5b_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(GPIO_BOARD_REV3, 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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gpio_configure_pupdn(GPIO_BOARD_REV3, 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_REV3) << 3) |
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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_configure(GPIO_BOARD_REV3, 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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uint32_t target_get_display_panel_type(void)
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{
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if (!gpio_display_id_valid) {
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ipad5b_detect_display();
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}
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return display_panel;
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}
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static void target_fixup_pmu(void)
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{
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#if WITH_HW_POWER
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int pmu_get_data(int dev, uint16_t reg, uint8_t *byte);
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int pmu_set_data(int dev, uint16_t reg, uint8_t byte, bool do_confirm);
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int rc;
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uint8_t trc;
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rc=pmu_get_data(0, 0x0001, &trc);
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if ( rc<0 ) {
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dprintf(DEBUG_CRITICAL, "PMU: cannot read TRC (%d)\n", rc);
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} else if ( trc==0x6 || trc==0x7 ) {
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rc=pmu_set_data(0, 0x7000, 0x1d, 0); // test mode
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if ( rc<0 ) {
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dprintf(DEBUG_INFO, "PMU: cannot enter test mode (%d)\n", rc);
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} else {
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rc=pmu_set_data(0, 0x002A, 0x0B, 0);
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if ( rc<0 ) dprintf(DEBUG_INFO, "PMU: cannot change PRE_UVLO_ADJ (%d)\n", rc);
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rc=pmu_set_data(0, 0x7000, 0x00, 0);
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if ( rc<0 ) panic("PMU: cannot exit test mode (%d)", rc);
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}
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}
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#endif
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}
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void target_early_init(void)
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{
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if (target_config_dev()) {
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// Read the panel id early
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target_get_display_panel_type();
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} else {
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if (ipad5b_get_board_rev() < J81_PROTO2_BOARD_REV) {
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platform_not_supported();
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}
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}
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#if PRODUCT_LLB || PRODUCT_IBSS
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pmgr_update_dvfm(platform_get_board_id(),ipad5b_get_board_rev());
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pmgr_update_gfx_states(platform_get_board_id(),ipad5b_get_board_rev());
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target_fixup_pmu();
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#endif
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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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}
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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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#if APPLICATION_IBOOT
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void target_watchdog_tickle(void)
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{
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uint32_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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dp.rx_n1= 0x0;
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dp.rx_n2= 0x0;
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dp.rx_n3= 0x0;
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dp.rx_n5= 0x0;
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dp.fast_link_training = true;
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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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// boot-device is set in platform's init.c
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env_set("display-color-space","RGB888", 0);
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env_set("display-timing", "ipad4", 0);
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}
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#endif
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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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DTNode *lpdp_node = NULL;
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DTNode *node;
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#endif
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uint32_t propSize;
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char *propName, *propNamePOR;
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void *propData;
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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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extern int lpdp_phy_update_device_tree(DTNode *lpdp_node);
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FindNode(0, DPPHY_DTPATH, &lpdp_node);
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lpdp_phy_update_device_tree(lpdp_node);
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}
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#endif
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if (target_config_dev()) {
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// multi-touch compatibilty to j72
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if (FindNode(0, MULTITOUCH_DTPATH, &node)) {
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propName = "compatible";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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memset(propData, 0, propSize);
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if (DISPLAY_J72 == target_get_display_panel_type()) {
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strlcpy(propData, "multi-touch,j72", propSize);
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} else {
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strlcpy(propData, "multi-touch,j82", propSize);
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}
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}
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}
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if (ipad5b_get_board_rev() == J81_DEV1_BOARD_REV) {
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// mesa pwr hooked up differently on boards with revs earlier than 3
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if (FindNode(0, "arm-io/spi2/mesa", &node)) {
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propName = "function-mesa_pwr_preprotorev3";
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propNamePOR = "function-mesa_pwr";
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if (FindProperty(node, &propName, &propData, &propSize) &&
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FindProperty(node, &propNamePOR, &propData, &propSize)) {
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strlcpy(propName, "function-mesa_pwr", kPropNameLength);
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propNamePOR[0] = '~';
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}
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}
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}
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}
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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/spi1/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 speaker calibration data
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if (FindNode(0, "arm-io/i2c1/audio-speaker0", &node)) {
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propName = "speaker-calib";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('SpCl', propData, propSize);
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}
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}
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// Update the als calibration data for all nodes that may be present on the dev board
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if (FindNode(0, "arm-io/i2c2/als1", &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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if (FindNode(0, "arm-io/i2c2/als2", &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 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/uart8/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/uart8/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/uart8/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 pressure sensor calibration data
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if (FindNode(0, "arm-io/uart8/oscar/pressure", &node)) {
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propName = "pressure-offset-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('SPPO', 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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syscfgCopyDataForTag('CBAT', propData, propSize);
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}
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}
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// Update halleffect button -- remove when pre-EVT hardware deprecated
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if (FindNode(0, "buttons", &node)) {
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if (ipad5b_get_board_rev() < J81_PREEVT_BOARD_REV) {
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propName = "function-button_halleffect-preevt";
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propNamePOR = "function-button_halleffect";
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if (FindProperty(node, &propName, &propData, &propSize) &&
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FindProperty(node, &propNamePOR, &propData, &propSize)) {
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strlcpy(propName, "function-button_halleffect", kPropNameLength);
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propNamePOR[0] = '~';
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}
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}
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}
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// WLAN Capri A0 workarounds -- !!!FIXME!!! Remove this when Capri A0 is deprecated
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// <rdar://problem/16597296> Remove Capri A0 PCIe hacks
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if (FindNode(0, "arm-io/apcie/pci-bridge1/wlan", &node)) {
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if (chipid_get_chip_revision() > CHIP_REVISION_A0) {
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// Disable workarounds for Capri A1 and later.
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propName = "acpie-l1ss-workaround";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propName[0] = '~';
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}
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propName = "pci-wake-l1pm-disable";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propName[0] = '~';
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}
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} else {
|
|
// Fix up the hacks for Capri A0
|
|
propName = "pci-l1pm-control";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
propName[0] = '~';
|
|
}
|
|
propName = "pci-l1pm-control-a0";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
propName[16] = '\0';
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif // WITH_DEVICETREE
|
|
|
|
#if WITH_PAINT
|
|
|
|
// The default background is expected to to be black and the artwork is expected
|
|
// to be white. This arrangement will be inverted depending upon the cover glass
|
|
// color of the device.
|
|
|
|
// Sample DClr_override values for testing devices without DClr syscfg entries (enclosure/cover glass):
|
|
// gray/black: setenv DClr_override 000200009B9899003C3B3B0000000000
|
|
// silver/white: setenv DClr_override 00020000D8D9D700E3E4E10000000000
|
|
|
|
static color_policy_invert_t target_cover_glass_color_table[] = {
|
|
{ RGB( 59, 59, 60), false }, // Black - black background, white logo
|
|
{ RGB(225, 228, 227), true }, // White - white background, black logo
|
|
};
|
|
|
|
color_policy_t *target_color_map_init(enum colorspace cs, color_policy_t *color_policy)
|
|
{
|
|
// Must have a color policy structure passed in.
|
|
if (color_policy == NULL)
|
|
goto fail;
|
|
|
|
// We only support the RGB888 colorspace.
|
|
if (cs != CS_RGB888)
|
|
goto fail;
|
|
|
|
color_policy->policy_type = COLOR_MAP_POLICY_INVERT;
|
|
color_policy->color_table = (void *)target_cover_glass_color_table;
|
|
color_policy->color_count = ARRAY_SIZE(target_cover_glass_color_table);
|
|
color_policy->map_color = NULL; // Use standard remapper
|
|
|
|
return color_policy;
|
|
|
|
fail:
|
|
return NULL;
|
|
}
|
|
#endif // WITH_PAINT
|