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iBoot/target/ipad5c/init.c

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/*
* Copyright (C) 2013-2015 Apple Inc. All rights reserved.
*
* This document is the property of Apple Inc.
* It is considered confidential and proprietary.
*
* This document may not be reproduced or transmitted in any form,
* in whole or in part, without the express written permission of
* Apple Inc.
*/
#include <debug.h>
#include <drivers/power.h>
#include <drivers/iic.h>
#include <lib/env.h>
#include <lib/mib.h>
#include <lib/devicetree.h>
#include <lib/syscfg.h>
#include <platform.h>
#include <platform/gpiodef.h>
#include <platform/soc/chipid.h>
#include <target.h>
#include <target/boardid.h>
#include <drivers/display.h>
#if (APPLICATION_IBOOT && (PRODUCT_IBOOT || PRODUCT_IBEC))
#include <drivers/displayport/displayport.h>
#endif
// Display panel type
typedef enum {
DISPLAY_PANEL_TYPE_UNKNOWN = 0,
DISPLAY_PANEL_TYPE_CAMELIA,
DISPLAY_PANEL_TYPE_TULIP,
// Metadata
DISPLAY_PANEL_TYPE_COUNT
} display_panel_type;
static const char *display_panel_types[] = {
"UNKNOWN",
"j99POC",
"ipad5c",
};
typedef enum {
DISPLAY_SWITCH_TYPE_UNKNOWN = 0,
DISPLAY_SWITCH_TYPE_TEMP_KONA,
DISPLAY_SWITCH_TYPE_KONA,
// Metadata
DISPLAY_SWITCH_TYPE_COUNT
} display_switch_type;
static const char *display_switch_types[] = {
"UNKNOWN",
"multi-touch,j99-st",
"multi-touch,j99",
};
// Display panel id sense pins
#define DISPLAY_TO_AP_ID0 GPIO(22, 5) // 181 : PCIE_PERST3_N -> GPIO_DEVDOG_DETECT
uint32_t ipad5c_get_board_rev(void);
static void ipad5c_get_display_info(void);
uint32_t target_get_display_panel_type(void);
uint32_t target_get_display_switch_type(void);
static bool gpio_board_rev_valid;
static bool gpio_display_id_valid;
static uint32_t gpio_board_rev;
static display_panel_type display_panel;
static display_switch_type display_switch;
#if (APPLICATION_IBOOT && (PRODUCT_IBOOT || PRODUCT_IBEC))
static dp_t dp;
#endif
MIB_CONSTANT(kMIBTargetOsPictureScale, kOIDTypeUInt32, 2);
MIB_CONSTANT(kMIBTargetPictureRotate, kOIDTypeInt32, -90);
bool check_is_board_deprecated = false;
uint32_t ipad5c_get_board_rev(void)
{
if (!gpio_board_rev_valid) {
gpio_configure(GPIO_BOARD_REV0, GPIO_CFG_IN);
gpio_configure(GPIO_BOARD_REV1, GPIO_CFG_IN);
gpio_configure(GPIO_BOARD_REV2, GPIO_CFG_IN);
gpio_configure(GPIO_BOARD_REV3, GPIO_CFG_IN);
gpio_configure_pupdn(GPIO_BOARD_REV0, GPIO_PUP);
gpio_configure_pupdn(GPIO_BOARD_REV1, GPIO_PUP);
gpio_configure_pupdn(GPIO_BOARD_REV2, GPIO_PUP);
gpio_configure_pupdn(GPIO_BOARD_REV3, GPIO_PUP);
spin(100); // Wait 100us
gpio_board_rev =
(gpio_read(GPIO_BOARD_REV3) << 3) |
(gpio_read(GPIO_BOARD_REV2) << 2) |
(gpio_read(GPIO_BOARD_REV1) << 1) |
(gpio_read(GPIO_BOARD_REV0) << 0);
gpio_configure(GPIO_BOARD_REV0, GPIO_CFG_DFLT);
gpio_configure(GPIO_BOARD_REV1, GPIO_CFG_DFLT);
gpio_configure(GPIO_BOARD_REV2, GPIO_CFG_DFLT);
gpio_configure(GPIO_BOARD_REV3, GPIO_CFG_DFLT);
gpio_board_rev_valid = true;
}
return gpio_board_rev;
}
// The panel id pin mappings are described by the following id pin states:
// ID0 Panel Switch
// ---- ----- -----
// PD Camelia Temp_kona
// PU Tulip Temp_kona
// Open Tulip Kona
static void ipad5c_get_display_info(void)
{
if (target_config_ap()) {
uint32_t get_board_rev;
get_board_rev = ipad5c_get_board_rev();
switch(get_board_rev) {
case J99_PROTO0_BOARD_REV_LOCAL:
case J99_PROTO0_BOARD_REV_CHINA:
display_panel = DISPLAY_PANEL_TYPE_CAMELIA;
display_switch = DISPLAY_SWITCH_TYPE_TEMP_KONA;
break;
case J99_PROTO1_BOARD_REV_LOCAL:
case J99_PROTO1_BOARD_REV_CHINA:
case J99_PROTO2_BOARD_REV:
display_panel = DISPLAY_PANEL_TYPE_TULIP;
display_switch = DISPLAY_SWITCH_TYPE_TEMP_KONA;
break;
default:
display_panel = DISPLAY_PANEL_TYPE_TULIP;
display_switch = DISPLAY_SWITCH_TYPE_KONA;
break;
}
dprintf(DEBUG_INFO, "get_board_rev %d Display panel = %s\nDisplay switch = %s\n",
get_board_rev,
display_panel_types[display_panel],
display_switch_types[display_switch]);
} else {
const char *id0;
gpio_configure(DISPLAY_TO_AP_ID0, GPIO_CFG_IN);
gpio_configure_pupdn(DISPLAY_TO_AP_ID0, GPIO_PUP);
spin(100); // Wait 100us
if (gpio_read(DISPLAY_TO_AP_ID0)) {
// ID0 could be externally pulled low or it could be
// floating. Change the polarity of the internal pull.
gpio_configure_pupdn(DISPLAY_TO_AP_ID0, GPIO_PDN);
spin(100); // Wait 100us
if (!gpio_read(DISPLAY_TO_AP_ID0)) {
// ID0 is open.
id0 = "open";
display_panel = DISPLAY_PANEL_TYPE_TULIP;
display_switch = DISPLAY_SWITCH_TYPE_KONA;
gpio_display_id_valid = true;
} else {
// ID0 has an external pull up.
id0 = "pu";
display_panel = DISPLAY_PANEL_TYPE_TULIP;
display_switch = DISPLAY_SWITCH_TYPE_TEMP_KONA;
gpio_display_id_valid = true;
}
} else {
// ID1 has an external pull down.
id0 = "pd";
display_panel = DISPLAY_PANEL_TYPE_CAMELIA;
display_switch = DISPLAY_SWITCH_TYPE_TEMP_KONA;
gpio_display_id_valid = true;
}
dprintf(DEBUG_INFO, "%spanel id pin state: id0=%s\n",
gpio_display_id_valid ? "" : "Unknown", id0);
ASSERT(display_panel < DISPLAY_PANEL_TYPE_COUNT);
ASSERT(display_switch < DISPLAY_SWITCH_TYPE_COUNT);
dprintf(DEBUG_INFO, "Display panel = %s\nDisplay switch = %s\n",
display_panel_types[display_panel],
display_switch_types[display_switch]);
gpio_configure(DISPLAY_TO_AP_ID0, GPIO_CFG_DFLT);
gpio_display_id_valid = true;
}
}
uint32_t target_get_display_panel_type(void)
{
if (!gpio_display_id_valid) {
ipad5c_get_display_info();
}
return display_panel;
}
uint32_t target_get_display_switch_type(void)
{
if (!gpio_display_id_valid) {
ipad5c_get_display_info();
}
return display_switch;
}
bool is_board_deprecated(void) {
uint32_t board_id;
uint32_t board_rev;
board_id = platform_get_board_id();
board_rev = ipad5c_get_board_rev();
//Check Dev boards first.
if (( board_id == TARGET_BOARD_ID_J98DEV || board_id == TARGET_BOARD_ID_J99DEV) && (board_rev == J98_DEV1_BOARD_REV)) {
return true;
}
//Check AP boards
switch(board_rev) {
case J99_PROTO0_BOARD_REV_LOCAL:
case J99_PROTO0_BOARD_REV_CHINA:
case J99_PROTO1_BOARD_REV_LOCAL:
case J99_PROTO1_BOARD_REV_CHINA:
return true;
}
return false;
}
#if WITH_HW_POWER
int pmu_set_data(int dev, uint16_t reg, uint8_t byte, bool do_confirm);
int charger_set_data(int dev, uint16_t reg, uint8_t byte, bool do_confirm);
#endif
// TODO: Abstract DPOT code in a DPOT driver
// Begin DPOT code
#define GPU_UVD_DPOT_IIC_BUS (3)
#define GPU_UVD_DPOT_IIC_ADDRESS (0xA0)
/* Register addresses for GPU UVD DPOT */
#define GPU_UVD_DPOT_IVRA (0x00)
#define GPU_UVD_DPOT_IVRB (0x01)
#define GPU_UVD_DPOT_ACR (0x10)
#define GPU_UVD_DPOT_READ_MISMATCH_ERROR (-2)
#define GPU_UVD_DPOT_INVALID_WIPER_ERROR (-3)
typedef enum {
GPU_UVD_DPOT_WIPER_A,
GPU_UVD_DPOT_WIPER_B
} gpu_uvd_dpot_wiper;
#if PRODUCT_LLB || PRODUCT_IBSS
static void gpu_uvd_dpot_error(int error_code)
{
panic("GPU UVD: Error communicating with DPOT (%d)\n", error_code);
}
static void gpu_uvd_dpot_poll_busy_bit(void)
{
int rc = 0;
uint8_t read_data[2] = { 0 };
uint8_t busy;
do {
read_data[0] = GPU_UVD_DPOT_ACR;
if ((rc = iic_read(GPU_UVD_DPOT_IIC_BUS, GPU_UVD_DPOT_IIC_ADDRESS, &read_data[0], 1, &read_data[1], 1, IIC_COMBINED)))
gpu_uvd_dpot_error(rc);
busy = (read_data[1] >> 5) & 0x1;
} while (busy);
}
static uint8_t gpu_uvd_dpot_get_wiper_voltage(gpu_uvd_dpot_wiper wiper)
{
int rc = 0;
uint8_t read_data[2] = { 0 };
switch (wiper) {
case GPU_UVD_DPOT_WIPER_A:
read_data[0] = GPU_UVD_DPOT_IVRA;
break;
case GPU_UVD_DPOT_WIPER_B:
read_data[0] = GPU_UVD_DPOT_IVRB;
break;
default:
gpu_uvd_dpot_error(GPU_UVD_DPOT_INVALID_WIPER_ERROR);
}
if ((rc = iic_read(GPU_UVD_DPOT_IIC_BUS, GPU_UVD_DPOT_IIC_ADDRESS, &read_data[0], 1, &read_data[1], 1, IIC_COMBINED)))
gpu_uvd_dpot_error(rc);
return read_data[1];
}
static void gpu_uvd_dpot_set_wiper_voltage(gpu_uvd_dpot_wiper wiper, uint8_t wiper_voltage)
{
int rc = 0;
uint8_t write_data[2];
uint8_t written_wiper_voltage;
switch (wiper) {
case GPU_UVD_DPOT_WIPER_A:
write_data[0] = GPU_UVD_DPOT_IVRA;
break;
case GPU_UVD_DPOT_WIPER_B:
write_data[0] = GPU_UVD_DPOT_IVRB;
break;
default:
gpu_uvd_dpot_error(GPU_UVD_DPOT_INVALID_WIPER_ERROR);
}
write_data[1] = wiper_voltage;
if ((rc = iic_write(GPU_UVD_DPOT_IIC_BUS, GPU_UVD_DPOT_IIC_ADDRESS, write_data, 2)))
gpu_uvd_dpot_error(rc);
gpu_uvd_dpot_poll_busy_bit();
written_wiper_voltage = gpu_uvd_dpot_get_wiper_voltage(wiper);
if (written_wiper_voltage != write_data[1]) {
dprintf(DEBUG_CRITICAL, "GPU UVD: Error writing to GPU_UVD_DPOT_WIPER%s. Expected (0x%x) but read (0x%x).\n",
((wiper == GPU_UVD_DPOT_WIPER_A) ? "A" : "B"), write_data[1], written_wiper_voltage);
gpu_uvd_dpot_error(GPU_UVD_DPOT_READ_MISMATCH_ERROR);
}
}
static bool gpu_uvd_dpot_is_nvmem_writable(void)
{
int rc = 0;
uint8_t read_data[2] = { 0 };
read_data[0] = GPU_UVD_DPOT_ACR;
if ((rc = iic_read(GPU_UVD_DPOT_IIC_BUS, GPU_UVD_DPOT_IIC_ADDRESS, &read_data[0], 1, &read_data[1], 1, IIC_COMBINED)))
gpu_uvd_dpot_error(rc);
return read_data[1] != 0xc0;
}
static void gpu_uvd_dpot_set_nvmem_writable(bool enable)
{
// Clearing ACR[7] bit enables NV writes; ACR[6] always set to disable shutdown mode
uint8_t acr_config = (enable) ? 0x40 : 0xc0;
uint8_t write_data[2];
uint8_t read_data[2];
int rc = 0;
write_data[0] = GPU_UVD_DPOT_ACR;
write_data[1] = acr_config;
if ((rc = iic_write(GPU_UVD_DPOT_IIC_BUS, GPU_UVD_DPOT_IIC_ADDRESS, write_data, 2)))
gpu_uvd_dpot_error(rc);
gpu_uvd_dpot_poll_busy_bit();
read_data[0] = GPU_UVD_DPOT_ACR;
if ((rc = iic_read(GPU_UVD_DPOT_IIC_BUS, GPU_UVD_DPOT_IIC_ADDRESS, &read_data[0], 1, &read_data[1], 1, IIC_COMBINED)))
gpu_uvd_dpot_error(rc);
if (read_data[1] != write_data[1]) {
dprintf(DEBUG_CRITICAL, "GPU UVD: Error writing to GPU_UVD_DPOT_ACR. Expected (0x%x) but read (0x%x).\n",
write_data[1], read_data[1]);
gpu_uvd_dpot_error(GPU_UVD_DPOT_READ_MISMATCH_ERROR);
}
}
static void gpu_uvd_dpot_init(void)
{
uint32_t wiper_voltage_a, wiper_voltage_b;
uint32_t pmu_v_uvd_voltage;
// Get V4 voltage, convert to PMU VSEL, and convert back to mV to get actual PMU output for wiper equations
pmu_v_uvd_voltage = chipid_get_gpu_voltage(CHIPID_GPU_VOLTAGE_V_UVD);
platform_convert_voltages(BUCK_GPU, 1, &pmu_v_uvd_voltage);
pmu_v_uvd_voltage = platform_get_dwi_to_mv(BUCK_GPU, pmu_v_uvd_voltage);
// Use 32-bit fixed point arithmetic with a scaling factor of 1e4 to determine wiper voltage codes
// Take ceiling of integer division using ceiling(x/y) = truncate[(x + y - 1) / y]
// Code_UVD,det = Code_WiperA = 1280.06 * (VSEL_P6,volts - 0.08) - 1216.51
wiper_voltage_a = (128006 * pmu_v_uvd_voltage - 10240480 - 121651000 + 100000 - 1) / 100000;
// Code_ARM,th = Code_WiperB = 1280.06 * (VSEL_P6,volts - 0.045) - 1216.51
wiper_voltage_b = (128006 * pmu_v_uvd_voltage - 5760270 - 121651000 + 100000 - 1) / 100000;
gpio_write(GPIO_SOC2GPUUVD_EN, 1); // Enable GPU UVD system
spin(10000); // Wait 10 ms for GPU UVD setup
gpu_uvd_dpot_poll_busy_bit();
// Check to configure Wiper A (minimize EEPROM writes to maximize on 100k write cycle endurance)
if (gpu_uvd_dpot_get_wiper_voltage(GPU_UVD_DPOT_WIPER_A) != wiper_voltage_a) {
if (!gpu_uvd_dpot_is_nvmem_writable())
gpu_uvd_dpot_set_nvmem_writable(true);
gpu_uvd_dpot_set_wiper_voltage(GPU_UVD_DPOT_WIPER_A, wiper_voltage_a);
}
// Check to configure Wiper B
if (gpu_uvd_dpot_get_wiper_voltage(GPU_UVD_DPOT_WIPER_B) != wiper_voltage_b) {
if (!gpu_uvd_dpot_is_nvmem_writable())
gpu_uvd_dpot_set_nvmem_writable(true);
gpu_uvd_dpot_set_wiper_voltage(GPU_UVD_DPOT_WIPER_B, wiper_voltage_b);
}
// Check to disable non-volatile writes
if (gpu_uvd_dpot_is_nvmem_writable())
gpu_uvd_dpot_set_nvmem_writable(false);
gpio_write(GPIO_SOC2GPUUVD_EN, 0); // Disable GPU UVD system
}
#endif
// End DPOT code
void target_early_init(void)
{
// Get the display panel type.
ipad5c_get_display_info();
#if WITH_HW_POWER
int rc;
const uint32_t bid=platform_get_board_id();
if ( bid == TARGET_BOARD_ID_J98DEV || bid == TARGET_BOARD_ID_J99DEV ) {
rc = pmu_set_data(0, 0x040e, 0xc8, true);
if ( rc!=0 ) dprintf(DEBUG_INFO, "pmu: write failed (%d)\n", rc);
}
#if PRODUCT_LLB || PRODUCT_IBSS
// <rdar://problem/18601044> J99 EVT+ Hall-Effect Sensor IRQs change
if (!target_config_ap() || (ipad5c_get_board_rev() > J99_EVT_PLUS_BOARD_REV)) {
// GPIO11
rc = pmu_set_data(0, 0x040a, 0xea, true);
if (rc != 0) dprintf(DEBUG_INFO, "pmu: write failed (%d)\n", rc);
// GPIO13
rc = pmu_set_data(0, 0x040c, 0xe8, true);
if (rc != 0) dprintf(DEBUG_INFO, "pmu: write failed (%d)\n", rc);
}
#if 0
// this change is making charge to not charge <rdar://problem/19146740>, disabling ...
// for detecting VCENTER on Ganges rdar://18532953
// set VSET to 3.73V allowing VCenter to 3.83 :: Vset + 100mV
charger_set_data(3, 0x1f8, 0x00, true);
charger_set_data(3, 0x1f9, 0x80, true);
#endif
#endif
#endif
#if PRODUCT_LLB || PRODUCT_IBSS
pmgr_update_dvfm(platform_get_board_id(),ipad5c_get_board_rev());
pmgr_update_gfx_states(platform_get_board_id(),ipad5c_get_board_rev());
if (pmgr_check_gpu_use650MHz_binned(platform_get_board_id(), ipad5c_get_board_rev()) ||
pmgr_check_gpu_use650MHz_unbinned(platform_get_board_id(), ipad5c_get_board_rev())) {
gpu_uvd_dpot_init();
}
#endif
}
void target_late_init(void)
{
//Check if board is deprecated
if (check_is_board_deprecated && is_board_deprecated()) {
platform_not_supported();
}
}
void target_init(void)
{
#if WITH_HW_FLASH_NOR
flash_nor_init(SPI_NOR0);
#endif
}
void target_quiesce_hardware(void)
{
}
void target_poweroff(void)
{
}
int target_bootprep(enum boot_target target)
{
return 0;
}
bool target_should_recover(void)
{
return platform_get_request_dfu2() && power_has_usb();
}
bool target_should_poweron(bool *cold_button_boot)
{
#if WITH_HW_POWER
if (power_get_boot_flag() == kPowerBootFlagColdButton) *cold_button_boot = true;
#else
*cold_button_boot = false;
#endif // WITH_HW_POWER
return !*cold_button_boot || platform_get_request_dfu1();
}
bool target_should_poweroff(bool at_boot)
{
return platform_get_request_dfu1() && (!at_boot || !power_has_usb());
}
#if APPLICATION_IBOOT
void target_watchdog_tickle(void)
{
uint32_t value = gpio_read(GPIO_WDOG_TICKLE);
gpio_write(GPIO_WDOG_TICKLE, value ^ 1);
}
#endif // APPLICATION_IBOOT
void * target_get_display_configuration(void)
{
#if (APPLICATION_IBOOT && (PRODUCT_IBOOT || PRODUCT_IBEC))
switch(target_get_display_panel_type()){
case DISPLAY_PANEL_TYPE_CAMELIA:
dp.mode = 0x1;
dp.type = 0x1;
dp.min_link_rate = 0xa;
dp.max_link_rate = 0xa;
dp.lanes = 0x4;
dp.ssc = 0x0;
dp.alpm = 0x0;
dp.vrr_enable = 0x1;
dp.vrr_on = 0x0;
dp.rx_n1= 0x0;
dp.rx_n2= 0x0;
dp.rx_n3= 0x0;
dp.rx_n5= 0x0;
dp.fast_link_training = true;
break;
case DISPLAY_PANEL_TYPE_TULIP:
dp.mode = 0x1;
dp.type = 0x1;
dp.min_link_rate = 0xc;
dp.max_link_rate = 0xc;
dp.lanes = 0x4;
dp.ssc = 0x0;
dp.alpm = 0x1;
dp.vrr_enable = 0x1;
dp.vrr_on = 0x1;
dp.rx_n1= 25;
dp.rx_n2= 2;
dp.rx_n3= 16030;
dp.rx_n5= 0x0;
dp.fast_link_training = true;
break;
}
return ((void *)(&dp));
#else
return NULL;
#endif
}
#if WITH_ENV
void target_setup_default_environment(void)
{
uint32_t panel_type_index;
// boot-device is set in platform's init.c
env_set("display-color-space","RGB888", 0);
panel_type_index = target_get_display_panel_type();
env_set("display-timing", display_panel_types[panel_type_index], 0);
if (panel_type_index == DISPLAY_PANEL_TYPE_CAMELIA) {
env_set("adfe-tunables", "camelia", 0);
env_set("adbe-tunables", "camelia", 0);
}
}
#endif
#if WITH_DEVICETREE
// <rdar://problem/17365777> J99 Proto2: Update Device Tree to move BT & WiFi Enable Controls to the IOExpander
void target_ipad5c_use_pmu_gpios_wlan_bt(void)
{
DTNode *node;
uint32_t propSize;
char *propName;
void *propData;
if (FindNode(0, WIFI_DTPATH, &node)) {
//Fix reg on property
propName = "function-reg_on_p1";
if (FindProperty(node, &propName, &propData, &propSize)) {
memset(propName, 0, kPropNameLength);
strlcpy(propName, "function-reg_on", kPropNameLength);
}
propName = "function-reg_on";
if (FindProperty(node, &propName, &propData, &propSize)) {
// Disable the proto2 and greater property
propName[0] = '~';
}
}
//Fix bluetooth
if (FindNode(0, BT_DTPATH, &node)) {
//Fix reg on property
propName = "function-power_enable_p1";
if (FindProperty(node, &propName, &propData, &propSize)) {
memset(propName, 0, kPropNameLength);
strlcpy(propName, "function-power_enable", kPropNameLength);
}
propName = "function-power_enable";
if (FindProperty(node, &propName, &propData, &propSize)) {
// Disable the proto2 and greater property
propName[0] = '~';
}
}
//disable the gpio expander driver
if (FindNode(0, "arm-io/i2c3/tca7408", &node)) {
propName = "compatible";
if (FindProperty(node, &propName, &propData, &propSize)) {
// Disable the proto2 and greater property
propName[0] = '~';
}
}
}
void hid_update_device_tree()
{
DTNode *node;
char *propName;
uint32_t propSize;
void *propData;
if (FindNode(0, "arm-io/spi1/multi-touch", &node)) {
propName = "compatible";
if (FindProperty(node, &propName, &propData, &propSize)) {
memset(propData, 0, propSize);
strlcpy(propData, display_switch_types[display_switch], propSize);
}
if (display_switch != DISPLAY_SWITCH_TYPE_KONA) {
//Fix up the device tree to support pre Kona touch
propName = "function-clock_enable";
if (FindProperty(node, &propName, &propData, &propSize)) {
propName[0] = '~';
}
propName = "function-clock_enPre3";
if (FindProperty(node, &propName, &propData, &propSize)) {
strlcpy(propName, "function-clock_enable", strlen(propName)+1);
}
propName = "function-power_ana";
if (FindProperty(node, &propName, &propData, &propSize)) {
propName[0] = '~';
}
propName = "function-power_pp3";
if (FindProperty(node, &propName, &propData, &propSize)) {
strlcpy(propName, "function-power_ana", strlen(propName)+1);
}
} else {
propName = "swd-flash-update";
if (FindProperty(node, &propName, &propData, &propSize)) {
propName[0] = '~';
}
}
propName = "multitouch-to-display-offset";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('MtDO', propData, propSize);
}
propName = "firefly-calibration";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('FfCl', propData, propSize);
}
}
}
//Remove when all HW prior to EVT is deprecated
static void ipad5c_set_old_backlight_values(DTNode *node)
{
uint32_t propSize;
char *propName;
void *propData;
propName = "milliAmps2DACPart1MaxCurrent";
if (FindProperty(node, &propName, &propData, &propSize)) {
((uint32_t *)propData)[0] = 0x00030000;
}
propName = "milliAmps2DACPart2MaxCurrent";
if (FindProperty(node, &propName, &propData, &propSize)) {
((uint32_t *)propData)[0] = 0x00140000;
}
propName = "calibratedMaxCurrent";
if (FindProperty(node, &propName, &propData, &propSize)) {
((uint32_t *)propData)[0] = 0x0011E3D7;
}
propName = "calibratedMidCurrent";
if (FindProperty(node, &propName, &propData, &propSize)) {
((uint32_t *)propData)[0] = 0x00068000;
}
propName = "mA2Nits2ndOrderCoef";
if (FindProperty(node, &propName, &propData, &propSize)) {
((uint32_t *)propData)[0] = 0xFFFFFFF9;
}
propName = "mA2Nits1stOrderCoef";
if (FindProperty(node, &propName, &propData, &propSize)) {
((uint32_t *)propData)[0] = 0x00000ED1;
}
propName = "mA2Nits0thOrderCoef";
if (FindProperty(node, &propName, &propData, &propSize)) {
((uint32_t *)propData)[0] = 0xFFFFFFDC;
}
propName = "nits2mAmps2ndOrderCoef";
if (FindProperty(node, &propName, &propData, &propSize)) {
((uint32_t *)propData)[0] = 0x0000A100;
}
propName = "nits2mAmps1stOrderCoef";
if (FindProperty(node, &propName, &propData, &propSize)) {
((uint32_t *)propData)[0] = 0x00114042;
}
propName = "nits2mAmps0thOrderCoef";
if (FindProperty(node, &propName, &propData, &propSize)) {
((uint32_t *)propData)[0] = 0x000002B7;
}
}
int target_update_device_tree(void)
{
#if WITH_HW_DISPLAY_EDP
DTNode *clcd_node = NULL, *backlight_node = NULL, *lcd_node = NULL;
DTNode *lpdp_node = NULL;
DTNode *node;
#endif
uint32_t propSize;
char *propName;
void *propData;
dt_node_t *dtnode;
#if WITH_HW_DISPLAY_EDP
if (FindNode(0, DP_DTPATH, &node)) {
extern int edp_update_device_tree(DTNode *edp_node, DTNode *lcd_node, DTNode *clcd_node, DTNode *backlight_node);
FindNode(0, "arm-io/disp0", &clcd_node);
FindNode(0, DP_DTPATH "/lcd", &lcd_node);
FindNode(0, "backlight", &backlight_node);
edp_update_device_tree(node, lcd_node, clcd_node, backlight_node);
extern int lpdp_phy_update_device_tree(DTNode *lpdp_node);
FindNode(0, DPPHY_DTPATH, &lpdp_node);
lpdp_phy_update_device_tree(lpdp_node);
}
#endif
// Update the codec node with acoustic transducer scale data
{
uint8_t atscData[20];
if (syscfgCopyDataForTag('ATSc', atscData, sizeof(atscData)) > 0) {
// Update codec
if (FindNode(0, "arm-io/spi3/audio-codec", &node)) {
propName = "at-scale-imic";
if (FindProperty(node, &propName, &propData, &propSize)) {
memcpy(propData, &atscData[0], sizeof(uint32_t));
}
propName = "at-scale-smic";
if (FindProperty(node, &propName, &propData, &propSize)) {
memcpy(propData, &atscData[4], sizeof(uint32_t));
}
}
}
}
// Update the speaker calibration data
if (FindNode(0, "arm-io/i2c1/audio-speaker0", &node)) {
propName = "speaker-calib";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('SpCl', propData, propSize);
}
}
// Update the als calibration data for all nodes that may be present on the dev board
if (FindNode(0, "arm-io/i2c2/als1", &node)) {
propName = "alsCalibration";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('LSCI', propData, propSize);
}
}
if (FindNode(0, "arm-io/i2c2/als2", &node)) {
propName = "alsCalibration";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('LSCI', propData, propSize);
}
}
// Update the backlight calibration data
if (FindNode(0, "backlight", &node)) {
propName = "backlight-calibration";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('BLCl', propData, propSize);
}
//<rdar://problem/18433591> J99: Update screen brightness settings for EVT systems
//Default is evt. Fix preevt
if (ipad5c_get_board_rev() > J99_EVT_BOARD_REV) {
ipad5c_set_old_backlight_values(node);
}
}
// Update the compass calibration data
if (FindNode(0, "arm-io/uart7/oscar/compass", &node)) {
propName = "compass-calibration";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('CPAS', propData, propSize);
}
}
// Update the gyro calibration data
if (FindNode(0, "arm-io/uart7/oscar/gyro", &node)) {
propName = "gyro-orientation";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('GRot', propData, propSize);
}
propName = "gyro-sensitivity-calibration";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('GSCl', propData, propSize);
}
propName = "gyro-temp-table";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('GYTT', propData, propSize);
}
propName = "gyro-interrupt-calibration";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('GICl', propData, propSize);
}
}
// Update accelerometer calibration data
if (FindNode(0, "arm-io/uart7/oscar/accelerometer", &node)) {
propName = "accel-orientation";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('ARot', propData, propSize);
}
propName = "low-temp-accel-offset";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('LTAO', propData, propSize);
}
propName = "accel-sensitivity-calibration";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('ASCl', propData, propSize);
}
propName = "accel-interrupt-calibration";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('AICl', propData, propSize);
}
}
// Update pressure sensor calibration data
if (FindNode(0, "arm-io/uart7/oscar/pressure", &node)) {
propName = "pressure-offset-calibration";
if (FindProperty(node, &propName, &propData, &propSize)) {
syscfgCopyDataForTag('SPPO', propData, propSize);
}
}
// WLAN Capri A0 workarounds -- !!!FIXME!!! Remove this when Capri A0 is deprecated
// <rdar://problem/16597296> Remove Capri A0 PCIe hacks
if (FindNode(0, "arm-io/apcie/pci-bridge1/wlan", &node)) {
if (chipid_get_chip_revision() > CHIP_REVISION_A0) {
// Disable workarounds for Capri A1 and later.
propName = "acpie-l1ss-workaround";
if (FindProperty(node, &propName, &propData, &propSize)) {
propName[0] = '~';
}
propName = "pci-wake-l1pm-disable";
if (FindProperty(node, &propName, &propData, &propSize)) {
propName[0] = '~';
}
} 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';
}
}
}
const uint32_t board_id = platform_get_board_id();
// IO expander GPIO 4 is not used on EVT2, so disable function-acc_sw_en.
if ((board_id == TARGET_BOARD_ID_J98AP || board_id == TARGET_BOARD_ID_J99AP) && (ipad5c_get_board_rev() <= J99_EVT2_BOARD_REV)) {
if (FindNode(0, "dock-orion", &node)) {
propName = "function-acc_sw_en";
if (FindProperty(node, &propName, &propData, &propSize)) {
propName[0] = '~';
}
}
} else {
// Undo IO expander otp-data values in device tree, which were set for EVT2.
if (FindNode(0, "arm-io/i2c3/tca7408", &node)) {
propName = "otp-data";
if (FindProperty(node, &propName, &propData, &propSize)) {
((uint32_t *)propData)[0] = 0xff000000;
((uint32_t *)propData)[1] = 0x00000000;
}
}
}
/*
* Need to support HW which does not have the GPIO Expander.
* HW before Proto2 do not have the expander
* HW before Dev2 do not have the expander
*/
if (((board_id == TARGET_BOARD_ID_J98AP || board_id == TARGET_BOARD_ID_J99AP) && (ipad5c_get_board_rev() >= J99_PROTO1_BOARD_REV_CHINA)) ||
((board_id == TARGET_BOARD_ID_J98DEV || board_id == TARGET_BOARD_ID_J99DEV) && (ipad5c_get_board_rev() < J98_DEV2_BOARD_REV))) {
target_ipad5c_use_pmu_gpios_wlan_bt();
}
// EVT2 (or dev boards with dip switches set to EVT2) will use the micro based Orion
// Older revs will continue to support TriStar based Orion for bring-up
if (ipad5c_get_board_rev() == J99_EVT2_BOARD_REV) {
// Enable Micro Orion
if (dt_find_node(0, "arm-io/i2c1/orion-ic", &dtnode)) {
propName = "AAPL,ignore";
if (dt_get_prop(dtnode, &propName, &propData, &propSize)) {
dt_remove_prop(dtnode, propName);
}
}
// Enable aod flashing of Orion's FW
if (dt_find_node(0, "arm-io/aod4", &dtnode)) {
propName = "AAPL,ignore";
if (dt_get_prop(dtnode, &propName, &propData, &propSize)) {
dt_remove_prop(dtnode, propName);
}
}
} else {
// Enable TriStar Orion
if (dt_find_node(0, "arm-io/i2c1/tristar-orion", &dtnode)) {
propName = "AAPL,ignore";
if (dt_get_prop(dtnode, &propName, &propData, &propSize)) {
dt_remove_prop(dtnode, propName);
}
}
}
hid_update_device_tree();
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
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