bdk: joycon: add Sio support (for Hoag)

This commit is contained in:
CTCaer 2022-05-09 06:09:06 +03:00
parent f452d916c9
commit f31170bb51
2 changed files with 335 additions and 85 deletions

View file

@ -64,6 +64,21 @@
#define JC_HID_SUBCMD_RUMBLE_CTL 0x48
#define JC_HID_SUBCMD_SND_RUMBLE 0xFF
#define JC_SIO_OUTPUT_RPT 0x91
#define JC_SIO_INPUT_RPT 0x92
#define JC_SIO_CMD_ACK 0x80
#define JC_SIO_CMD_INIT 0x01
#define JC_SIO_CMD_UNK02 0x02
#define JC_SIO_CMD_VER_RPT 0x03
#define JC_SIO_CMD_UNK20 0x20 // JC_WIRED_CMD_SET_BRATE
#define JC_SIO_CMD_UNK21 0x21
#define JC_SIO_CMD_UNK22 0x22
#define JC_SIO_CMD_UNK40 0x40
#define JC_SIO_CMD_STATUS 0x41
#define JC_SIO_CMD_IAP_VER 0x42
#define JC_BTN_MASK_L 0xFF2900 // 0xFFE900: with charge status.
#define JC_BTN_MASK_R 0x0056FF
@ -91,6 +106,24 @@ enum
JC_BATT_FULL = 8
};
static const u8 sio_init[] = {
JC_SIO_OUTPUT_RPT, JC_SIO_CMD_INIT,
0x00, 0x00, 0x00, 0x00, 0x00, 0x95
};
static const u8 sio_set_rpt_version[] = {
JC_SIO_OUTPUT_RPT, JC_SIO_CMD_VER_RPT,
// old fw: 0x00, 0x0D (0.13). New 3.4.
// force_update_en: 0x01
0x00, 0x00, 0x03, 0x04, 0x00, 0xDA
};
// Every 8ms.
static const u8 sio_pad_status[] = {
JC_SIO_OUTPUT_RPT, JC_SIO_CMD_STATUS,
0x00, 0x00, 0x00, 0x00, 0x00, 0xB0
};
static const u8 init_wake[] = {
0xA1, 0xA2, 0xA3, 0xA4
};
@ -234,8 +267,61 @@ typedef struct _joycon_ctxt_t
u8 rumble_sent;
u8 connected;
u8 detected;
u8 sio_mode;
} joycon_ctxt_t;
typedef struct _jc_sio_out_rpt_t
{
u8 cmd;
u8 subcmd;
u16 len;
u8 unk[2];
u8 crc_payload;
u8 crc_hdr;
u8 payload[];
} jc_sio_out_rpt_t;
typedef struct _jc_sio_in_rpt_t
{
u8 cmd;
u8 ack;
u16 payload_size;
u8 status;
u8 unk;
u8 payload_crc;
u8 hdr_crc;
u8 payload[];
} jc_sio_in_rpt_t;
typedef struct _jc_hid_in_sixaxis_rpt_t
{
s16 acc_x;
s16 acc_y;
s16 acc_z;
s16 gyr_x;
s16 gyr_y;
s16 gyr_z;
} __attribute__((packed)) jc_hid_in_sixaxis_rpt_t;
typedef struct _jc_sio_hid_in_rpt_t
{
u8 cmd;
u8 pkt_id;
u8 unk;
u8 btn_right;
u8 btn_shared;
u8 btn_left;
u8 stick_h_left;
u8 stick_m_left;
u8 stick_v_left;
u8 stick_h_right;
u8 stick_m_right;
u8 stick_v_right;
u8 siaxis_rpt_num; // Max 15.
// Each report is 800 us?
jc_hid_in_sixaxis_rpt_t sixaxis[15];
} jc_sio_hid_in_rpt_t;
static joycon_ctxt_t jc_l = {0};
static joycon_ctxt_t jc_r = {0};
@ -270,6 +356,9 @@ static void _jc_power_supply(u8 uart, bool enable)
regulator_5v_enable(1 << uart);
if (jc_gamepad.sio_mode)
return;
if (jc_init_done)
{
if (uart == UART_C)
@ -303,6 +392,9 @@ static void _jc_power_supply(u8 uart, bool enable)
regulator_5v_disable(1 << uart);
if (jc_gamepad.sio_mode)
return;
if (uart == UART_C)
gpio_write(GPIO_PORT_CC, GPIO_PIN_3, GPIO_LOW);
else
@ -311,6 +403,8 @@ static void _jc_power_supply(u8 uart, bool enable)
}
static void _jc_detect()
{
if (!jc_gamepad.sio_mode)
{
// Turn on Joy-Con detect. (UARTB/C TX).
gpio_config(GPIO_PORT_G, GPIO_PIN_0, GPIO_MODE_GPIO);
@ -326,11 +420,20 @@ static void _jc_detect()
gpio_config(GPIO_PORT_D, GPIO_PIN_1, GPIO_MODE_SPIO);
usleep(20);
}
else
{
//! TODO: Is there a way to detect a broken Sio?
jc_l.detected = true;
}
}
static void _jc_conn_check()
{
_jc_detect();
if (jc_gamepad.sio_mode)
return;
// Check if a Joy-Con was disconnected.
if (!jc_l.detected)
{
@ -607,6 +710,61 @@ static void _jc_uart_pkt_parse(joycon_ctxt_t *jc, const jc_wired_hdr_t *pkt, siz
jc->last_received_time = get_tmr_ms();
}
static void _jc_sio_parse_payload(joycon_ctxt_t *jc, u8 cmd, const u8* payload, u32 size)
{
switch (cmd)
{
case JC_SIO_CMD_STATUS:
jc_sio_hid_in_rpt_t *hid_pkt = (jc_sio_hid_in_rpt_t *)payload;
jc_gamepad.buttons = hid_pkt->btn_right | hid_pkt->btn_shared << 8 | hid_pkt->btn_left << 16;
jc_gamepad.home = !gpio_read(GPIO_PORT_V, GPIO_PIN_3);
jc_gamepad.lstick_x = hid_pkt->stick_h_left | ((hid_pkt->stick_m_left & 0xF) << 8);
jc_gamepad.lstick_y = (hid_pkt->stick_m_left >> 4) | (hid_pkt->stick_v_left << 4);
jc_gamepad.rstick_x = hid_pkt->stick_h_right | ((hid_pkt->stick_m_right & 0xF) << 8);
jc_gamepad.rstick_y = (hid_pkt->stick_m_right >> 4) | (hid_pkt->stick_v_right << 4);
jc_gamepad.batt_info_l = jc_l.connected;
jc_gamepad.batt_info_r = gpio_read(GPIO_PORT_E, GPIO_PIN_7); // Set IRQ status.
jc_gamepad.conn_l = jc_l.connected;
jc_gamepad.conn_r = jc_l.connected;
break;
default:
break;
}
}
static void _jc_sio_uart_pkt_parse(joycon_ctxt_t *jc, const jc_sio_in_rpt_t *pkt, u32 size)
{
if (pkt->hdr_crc != _jc_crc((u8 *)pkt, sizeof(jc_sio_in_rpt_t) - 1, 0))
return;
u8 cmd = pkt->ack & (~JC_SIO_CMD_ACK);
switch (cmd)
{
case JC_SIO_CMD_INIT:
jc->connected = pkt->status == 0;
break;
case JC_SIO_CMD_VER_RPT:
if (jc->connected)
jc->connected = pkt->status == 0;
break;
case JC_SIO_CMD_IAP_VER:
case JC_SIO_CMD_STATUS:
_jc_sio_parse_payload(jc, cmd, pkt->payload, pkt->payload_size);
break;
case JC_SIO_CMD_UNK02:
case JC_SIO_CMD_UNK20:
case JC_SIO_CMD_UNK21:
case JC_SIO_CMD_UNK22:
case JC_SIO_CMD_UNK40:
default:
break;
}
jc->last_received_time = get_tmr_ms();
}
static void _jc_rcv_pkt(joycon_ctxt_t *jc)
{
if (!jc->detected)
@ -616,10 +774,23 @@ static void _jc_rcv_pkt(joycon_ctxt_t *jc)
if (len < 8)
return;
// Check valid size and uart reply magic.
// For Joycon, check uart reply magic.
jc_wired_hdr_t *jc_pkt = (jc_wired_hdr_t *)jc->buf;
if (!memcmp(jc_pkt->uart_hdr.magic, "\x19\x81\x03", 3))
if (!jc->sio_mode && !memcmp(jc_pkt->uart_hdr.magic, "\x19\x81\x03", 3))
{
_jc_uart_pkt_parse(jc, jc_pkt, jc_pkt->uart_hdr.total_size_lsb + sizeof(jc_uart_hdr_t));
return;
}
// For Sio, check uart output report and command ack.
jc_sio_in_rpt_t *sio_pkt = (jc_sio_in_rpt_t *)(jc->buf);
if (jc->sio_mode && sio_pkt->cmd == 0x92 && (sio_pkt->ack & JC_SIO_CMD_ACK) == JC_SIO_CMD_ACK)
{
_jc_sio_uart_pkt_parse(jc, sio_pkt, sio_pkt->payload_size + sizeof(jc_sio_in_rpt_t));
return;
}
}
static bool _jc_send_init_rumble(joycon_ctxt_t *jc)
@ -645,7 +816,7 @@ static void _jc_req_nx_pad_status(joycon_ctxt_t *jc)
if (!jc->detected)
return;
bool is_nxpad = !(jc->type & JC_ID_HORI);
bool is_nxpad = !(jc->type & JC_ID_HORI) && !jc->sio_mode;
if (jc->last_status_req_time > get_tmr_ms() || !jc->connected)
return;
@ -660,6 +831,8 @@ static void _jc_req_nx_pad_status(joycon_ctxt_t *jc)
if (is_nxpad)
_joycon_send_raw(jc->uart, nx_pad_status, sizeof(nx_pad_status));
else if (jc->sio_mode)
_joycon_send_raw(jc->uart, sio_pad_status, sizeof(sio_pad_status));
else
_joycon_send_raw(jc->uart, hori_pad_status, sizeof(hori_pad_status));
@ -691,7 +864,7 @@ jc_gamepad_rpt_t *jc_get_bt_pairing_info(bool *is_l_hos, bool *is_r_hos)
u8 retries;
jc_bt_conn_t *bt_conn;
if (!jc_init_done)
if (!jc_init_done || jc_gamepad.sio_mode)
return NULL;
bt_conn = &jc_gamepad.bt_conn_l;
@ -848,6 +1021,9 @@ static void _jc_init_conn(joycon_ctxt_t *jc)
// Initialize uart to 1 megabaud and manual RTS.
uart_init(jc->uart, 1000000, UART_AO_TX_MN_RX);
if (!jc->sio_mode)
{
jc->state = JC_STATE_START;
// Set TX and RTS inversion for Joycon.
@ -862,7 +1038,6 @@ static void _jc_init_conn(joycon_ctxt_t *jc)
while (retries && jc->state != JC_STATE_HANDSHAKED)
{
_joycon_send_raw(jc->uart, init_handshake, sizeof(init_handshake));
msleep(5);
_jc_rcv_pkt(jc);
retries--;
@ -913,6 +1088,38 @@ static void _jc_init_conn(joycon_ctxt_t *jc)
msleep(2);
_jc_rcv_pkt(jc);
}
}
else
{
// Set Sio POR low to configure BOOT0 mode.
gpio_write(GPIO_PORT_CC, GPIO_PIN_5, GPIO_LOW);
usleep(300);
gpio_write(GPIO_PORT_T, GPIO_PIN_0, GPIO_LOW);
gpio_output_enable(GPIO_PORT_T, GPIO_PIN_1, GPIO_OUTPUT_DISABLE);
gpio_write(GPIO_PORT_CC, GPIO_PIN_5, GPIO_HIGH);
msleep(100);
// Clear RX FIFO.
_jc_rcv_pkt(jc);
// Initialize the controller.
u32 retries = 10;
while (!jc->connected)
{
_joycon_send_raw(jc->uart, sio_init, sizeof(sio_init));
msleep(5);
_jc_rcv_pkt(jc);
retries--;
}
if (!jc->connected)
goto out;
// Set output report version.
_joycon_send_raw(jc->uart, sio_set_rpt_version, sizeof(sio_set_rpt_version));
msleep(5);
_jc_rcv_pkt(jc);
}
// Initialization done.
jc->state = JC_STATE_INIT_DONE;
@ -920,7 +1127,7 @@ static void _jc_init_conn(joycon_ctxt_t *jc)
out:
jc->last_received_time = get_tmr_ms();
if (jc->connected)
if (!jc->sio_mode && jc->connected)
_jc_power_supply(jc->uart, false);
}
}
@ -930,13 +1137,42 @@ void jc_init_hw()
jc_l.uart = UART_C;
jc_r.uart = UART_B;
#if !defined(DEBUG_UART_PORT) || !(DEBUG_UART_PORT)
if (fuse_read_hw_type() == FUSE_NX_HW_TYPE_HOAG)
return;
jc_l.sio_mode = fuse_read_hw_type() == FUSE_NX_HW_TYPE_HOAG;
jc_gamepad.sio_mode = jc_l.sio_mode;
#if !defined(DEBUG_UART_PORT) || !(DEBUG_UART_PORT)
_jc_power_supply(UART_C, true);
_jc_power_supply(UART_B, true);
// Sio Initialization.
if (jc_gamepad.sio_mode)
{
// Enable 4 MHz clock to Sio.
clock_enable_extperiph2();
PINMUX_AUX(PINMUX_AUX_TOUCH_CLK) = PINMUX_PULL_DOWN;
// Configure Sio HOME BUTTON.
PINMUX_AUX(PINMUX_AUX_LCD_GPIO1) = PINMUX_INPUT_ENABLE | PINMUX_TRISTATE | PINMUX_PULL_UP | 1;
gpio_config(GPIO_PORT_V, GPIO_PIN_3, GPIO_MODE_GPIO);
// Configure Sio IRQ
PINMUX_AUX(PINMUX_AUX_GPIO_PE7) = PINMUX_INPUT_ENABLE | PINMUX_TRISTATE | PINMUX_PULL_UP;
gpio_config(GPIO_PORT_E, GPIO_PIN_7, GPIO_MODE_GPIO);
// Configure Sio RST and BOOT0.
PINMUX_AUX(PINMUX_AUX_CAM1_STROBE) = PINMUX_PULL_DOWN | 1;
PINMUX_AUX(PINMUX_AUX_CAM2_PWDN) = PINMUX_PULL_DOWN | 1;
gpio_config(GPIO_PORT_T, GPIO_PIN_1 | GPIO_PIN_0, GPIO_MODE_GPIO);
gpio_output_enable(GPIO_PORT_T, GPIO_PIN_1 | GPIO_PIN_0, GPIO_OUTPUT_ENABLE);
gpio_write(GPIO_PORT_T, GPIO_PIN_1 | GPIO_PIN_0, GPIO_LOW);
// Configure Sio POR.
PINMUX_AUX(PINMUX_AUX_USB_VBUS_EN1) = PINMUX_IO_HV | PINMUX_LPDR | 1;
gpio_config(GPIO_PORT_CC, GPIO_PIN_5, GPIO_MODE_GPIO);
gpio_output_enable(GPIO_PORT_CC, GPIO_PIN_5, GPIO_OUTPUT_ENABLE);
gpio_write(GPIO_PORT_CC, GPIO_PIN_5, GPIO_LOW);
}
// Joy-Con (R) IsAttached. Shared with UARTB TX.
PINMUX_AUX(PINMUX_AUX_GPIO_PH6) = PINMUX_INPUT_ENABLE | PINMUX_TRISTATE;
gpio_config(GPIO_PORT_H, GPIO_PIN_6, GPIO_MODE_GPIO);
@ -946,6 +1182,7 @@ void jc_init_hw()
gpio_config(GPIO_PORT_E, GPIO_PIN_6, GPIO_MODE_GPIO);
// Configure pinmuxing for UART B and C.
if (!jc_gamepad.sio_mode)
pinmux_config_uart(UART_B);
pinmux_config_uart(UART_C);
@ -953,6 +1190,7 @@ void jc_init_hw()
bpmp_freq_t prev_fid = bpmp_clk_rate_set(BPMP_CLK_NORMAL);
// Enable UART B and C clocks.
if (!jc_gamepad.sio_mode)
clock_enable_uart(UART_B);
clock_enable_uart(UART_C);
@ -972,9 +1210,10 @@ void jc_deinit()
_jc_power_supply(UART_B, false);
_jc_power_supply(UART_C, false);
if (!jc_gamepad.sio_mode)
{
// Send sleep command.
u8 data = HCI_STATE_SLEEP;
if (jc_r.connected && !(jc_r.type & JC_ID_HORI))
{
_jc_send_hid_cmd(UART_B, JC_HID_SUBCMD_HCI_STATE, &data, 1);
@ -985,8 +1224,18 @@ void jc_deinit()
_jc_send_hid_cmd(UART_C, JC_HID_SUBCMD_HCI_STATE, &data, 1);
_jc_rcv_pkt(&jc_l);
}
}
else
{
// Disable Sio POR.
gpio_write(GPIO_PORT_CC, GPIO_PIN_5, GPIO_LOW);
// Disable 4 MHz clock to Sio.
clock_disable_extperiph2();
}
// Disable UART B and C clocks.
if (!jc_gamepad.sio_mode)
clock_disable_uart(UART_B);
clock_disable_uart(UART_C);
}

View file

@ -83,8 +83,9 @@ typedef struct _jc_gamepad_rpt_t
bool center_stick_r;
bool conn_l;
bool conn_r;
u8 batt_info_l;
u8 batt_info_r;
bool sio_mode;
u8 batt_info_l; // Also Sio Connected status.
u8 batt_info_r; // Also Sio IRQ.
jc_bt_conn_t bt_conn_l;
jc_bt_conn_t bt_conn_r;
} jc_gamepad_rpt_t;