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bdk: fan: add Hoag and Aula SKUs support

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Now that what was hanging Aula is found (using PWM with its clock disabled), add full support for fan control on both SKUs.
This commit is contained in:
CTCaer 2022-05-08 05:07:38 +03:00
parent 58a2094448
commit 4a1cb1f2ea
1 changed files with 17 additions and 7 deletions
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24
bdk/thermal/fan.c
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@ -18,8 +18,11 @@
#include <thermal/fan.h>
#include <power/regulator_5v.h>
#include <soc/bpmp.h>
#include <soc/clock.h>
#include <soc/fuse.h>
#include <soc/gpio.h>
#include <soc/hw_init.h>
#include <soc/pinmux.h>
#include <soc/t210.h>
#include <utils/util.h>
@ -37,19 +40,26 @@ void set_fan_duty(u32 duty)
curr_duty = duty;
//! TODO: Add HOAG/AULA support.
u32 hw_type = fuse_read_hw_type();
if (hw_type != FUSE_NX_HW_TYPE_ICOSA &&
hw_type != FUSE_NX_HW_TYPE_IOWA)
return;
if (!fan_init)
{
// Fan tachometer.
PINMUX_AUX(PINMUX_AUX_CAM1_PWDN) = PINMUX_TRISTATE | PINMUX_INPUT_ENABLE | PINMUX_PULL_UP | 1;
u32 pull_resistor = hw_get_chip_id() == GP_HIDREV_MAJOR_T210 ? PINMUX_PULL_UP : 0;
PINMUX_AUX(PINMUX_AUX_CAM1_PWDN) = PINMUX_TRISTATE | PINMUX_INPUT_ENABLE | pull_resistor | 1;
gpio_config(GPIO_PORT_S, GPIO_PIN_7, GPIO_MODE_GPIO);
gpio_output_enable(GPIO_PORT_S, GPIO_PIN_7, GPIO_OUTPUT_DISABLE);
// Enable PWM if disabled.
if (fuse_read_hw_type() == FUSE_NX_HW_TYPE_AULA)
{
// Ease the stress to APB.
bpmp_freq_t prev_fid = bpmp_clk_rate_set(BPMP_CLK_NORMAL);
clock_enable_pwm();
// Restore OC.
bpmp_clk_rate_set(prev_fid);
}
PWM(PWM_CONTROLLER_PWM_CSR_1) = PWM_CSR_EN | (0x100 << 16); // Max PWM to disable fan.
PINMUX_AUX(PINMUX_AUX_LCD_GPIO2) = 1; // Set source to PWM1.