| // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| /* |
| * Copyright (c) 2019 Amlogic, Inc. All rights reserved. |
| */ |
| |
| #include <linux/version.h> |
| #include <linux/module.h> |
| #include <linux/irq.h> |
| #include <linux/types.h> |
| #include <linux/input.h> |
| #include <linux/kernel.h> |
| #include <linux/kthread.h> |
| #include <linux/delay.h> |
| #include <linux/uaccess.h> |
| #include <linux/interrupt.h> |
| #include <linux/fs.h> |
| #include <linux/init.h> |
| #include <linux/device.h> |
| #include <linux/mm.h> |
| #include <linux/major.h> |
| #include <linux/platform_device.h> |
| #include <linux/pinctrl/devinfo.h> |
| #include <linux/pinctrl/consumer.h> |
| #include <linux/mutex.h> |
| #include <linux/cdev.h> |
| #include <linux/io.h> |
| #include <linux/slab.h> |
| #include <linux/list.h> |
| #include <linux/spinlock.h> |
| #include <linux/spinlock_types.h> |
| #include <linux/workqueue.h> |
| #include <linux/timer.h> |
| #include <linux/atomic.h> |
| #include <linux/of.h> |
| #include <linux/of_device.h> |
| #include <linux/of_address.h> |
| #include <linux/of_irq.h> |
| #include <linux/reboot.h> |
| #include <linux/notifier.h> |
| #include <linux/random.h> |
| #include <linux/pm_wakeup.h> |
| #include <linux/pm_wakeirq.h> |
| #include <linux/pm.h> |
| #include <linux/poll.h> |
| #include <linux/amlogic/pm.h> |
| #include <linux/amlogic/cpu_version.h> |
| #include <linux/amlogic/scpi_protocol.h> |
| #include <linux/amlogic/pm.h> |
| #ifdef CONFIG_HAS_EARLYSUSPEND |
| #include <linux/earlysuspend.h> |
| static struct early_suspend aocec_suspend_handler; |
| #endif |
| #include "hdmi_tx_cec_20.h" |
| #include "hdmi_ao_cec.h" |
| #include "hdmi_aocec_api.h" |
| #include <media/cec.h> |
| #include <media/cec-notifier.h> |
| #ifdef CONFIG_AMLOGIC_MEDIA_TVIN_HDMI |
| #include "../vin/tvin/hdmirx/hdmi_rx_drv_ext.h" |
| #endif |
| |
| #define STD_CEC_NAME "std_cec" |
| |
| DECLARE_WAIT_QUEUE_HEAD(cec_msg_wait_queue); |
| |
| int cec_msg_dbg_en; |
| static unsigned int input_event_en; |
| struct cec_msg_last *last_cec_msg; |
| struct ao_cec_dev *cec_dev; |
| bool ceca_err_flag; |
| bool ee_cec; |
| struct hrtimer start_bit_check; |
| unsigned char msg_log_buf[128] = { 0 }; |
| |
| static struct dbgflg stdbgflg; |
| static int phy_addr_test; |
| static struct tasklet_struct ceca_tasklet; |
| static enum cec_tx_ret cec_tx_result; |
| |
| static unsigned char rx_msg[MAX_MSG]; |
| static unsigned char rx_len; |
| static unsigned int new_msg; |
| static bool pin_status; |
| |
| struct st_ao_cec { |
| #ifdef CONFIG_CEC_NOTIFIER |
| struct cec_notifier *tx_notify; |
| #endif |
| struct cec_adapter *adap; |
| struct cec_msg rx_msg; |
| u8 tx_result; |
| struct work_struct work_cec_tx; |
| }; |
| |
| static struct st_ao_cec std_ao_cec; |
| |
| static void cec_store_msg_to_buff(unsigned char len, unsigned char *msg); |
| static void cec_new_msg_push(void); |
| |
| #if (defined(CONFIG_AMLOGIC_HDMITX) || defined(CONFIG_AMLOGIC_HDMITX21)) |
| static int hdmitx_notify_callback(struct notifier_block *block, |
| unsigned long cmd, void *para) |
| { |
| int ret = 0; |
| |
| switch (cmd) { |
| case HDMITX_PLUG: |
| case HDMITX_UNPLUG: |
| CEC_INFO("[%s] event: %ld\n", __func__, cmd); |
| queue_delayed_work(cec_dev->hdmi_plug_wq, |
| &cec_dev->work_hdmi_plug, 0); |
| break; |
| default: |
| CEC_ERR("[%s] unsupported notify:%ld\n", __func__, cmd); |
| ret = -EINVAL; |
| break; |
| } |
| return ret; |
| } |
| |
| static struct notifier_block hdmitx_notifier_nb = { |
| .notifier_call = hdmitx_notify_callback, |
| }; |
| #endif |
| |
| #ifdef CONFIG_AMLOGIC_MEDIA_TVIN_HDMI |
| static int hdmirx_notify_callback(unsigned int pwr5v_sts) |
| { |
| queue_delayed_work(cec_dev->hdmi_plug_wq, &cec_dev->work_hdmi_plug, 0); |
| |
| return 0; |
| } |
| #endif |
| |
| /* --------FOR EE CEC(AOCECB)-------- */ |
| static int cecb_pick_msg(unsigned char *msg, unsigned char *out_len) |
| { |
| int i, size; |
| int len; |
| |
| len = hdmirx_cec_read(DWC_CEC_RX_CNT); |
| size = sprintf(msg_log_buf, "cec b rx len %d:", len); |
| for (i = 0; i < len; i++) { |
| msg[i] = hdmirx_cec_read(DWC_CEC_RX_DATA0 + i * 4); |
| size += sprintf(msg_log_buf + size, " %02x", msg[i]); |
| } |
| size += sprintf(msg_log_buf + size, "\n"); |
| msg_log_buf[size] = '\0'; |
| /* clr CEC lock bit */ |
| hdmirx_cec_write(DWC_CEC_LOCK, 0); |
| CEC_INFO("%s", msg_log_buf); |
| |
| #ifdef CEC_FREEZE_WAKE_UP |
| if (is_pm_s2idle_mode()) |
| *out_len = len; |
| else |
| #endif |
| { |
| if (cec_message_op(msg, len)) |
| *out_len = len; |
| else |
| *out_len = 0; |
| } |
| pin_status = 1; |
| return 0; |
| } |
| |
| void cecb_irq_handle(void) |
| { |
| u32 intr_cec; |
| u32 lock; |
| int shift = 0; |
| struct delayed_work *dwork; |
| |
| intr_cec = cecb_irq_stat(); |
| |
| /* clear irq */ |
| if (intr_cec != 0) |
| cecb_clear_irq(intr_cec); |
| else |
| dprintk(L_2, "err cec intsts:0\n"); |
| |
| dprintk(L_2, "cecb intsts:0x%x\n", intr_cec); |
| if (cec_dev->plat_data->ee_to_ao) |
| shift = 16; |
| /* TX DONE irq, increase tx buffer pointer */ |
| if (intr_cec == CEC_IRQ_TX_DONE) { |
| cec_tx_result = CEC_FAIL_NONE; |
| dprintk(L_2, "irqflg:TX_DONE\n"); |
| complete(&cec_dev->tx_ok); |
| std_ao_cec.tx_result = CEC_TX_STATUS_OK; |
| schedule_work(&std_ao_cec.work_cec_tx); |
| } |
| |
| /* TX error irq flags */ |
| if ((intr_cec & CEC_IRQ_TX_NACK) || |
| (intr_cec & CEC_IRQ_TX_ARB_LOST) || |
| (intr_cec & CEC_IRQ_TX_ERR_INITIATOR)) { |
| if (intr_cec & CEC_IRQ_TX_NACK) { |
| cec_tx_result = CEC_FAIL_NACK; |
| dprintk(L_2, "irqflg:TX_NACK\n"); |
| std_ao_cec.tx_result = CEC_TX_STATUS_NACK; |
| schedule_work(&std_ao_cec.work_cec_tx); |
| } else if (intr_cec & CEC_IRQ_TX_ARB_LOST) { |
| cec_tx_result = CEC_FAIL_BUSY; |
| /* clear start */ |
| hdmirx_cec_write(DWC_CEC_TX_CNT, 0); |
| hdmirx_set_bits_dwc(DWC_CEC_CTRL, 0, 0, 3); |
| dprintk(L_2, "irqflg:ARB_LOST\n"); |
| std_ao_cec.tx_result = CEC_TX_STATUS_ARB_LOST; |
| schedule_work(&std_ao_cec.work_cec_tx); |
| } else if (intr_cec & CEC_IRQ_TX_ERR_INITIATOR) { |
| dprintk(L_2, "irqflg:INITIATOR\n"); |
| cec_tx_result = CEC_FAIL_OTHER; |
| std_ao_cec.tx_result = CEC_TX_STATUS_ERROR; |
| schedule_work(&std_ao_cec.work_cec_tx); |
| } else { |
| dprintk(L_2, "irqflg:Other\n"); |
| cec_tx_result = CEC_FAIL_OTHER; |
| std_ao_cec.tx_result = CEC_TX_STATUS_ERROR; |
| schedule_work(&std_ao_cec.work_cec_tx); |
| } |
| complete(&cec_dev->tx_ok); |
| } |
| |
| /* The CEC driver should always process the transmit |
| * interrupts first before handling the receive |
| * interrupt. The framework expects to see the |
| * cec_transmit_done call before the cec_received_msg |
| * call, otherwise it can get confused if the received |
| * message was in reply to the transmitted message. |
| */ |
| lock = hdmirx_cec_read(DWC_CEC_LOCK); |
| /* EOM irq, message is coming */ |
| if ((intr_cec & CEC_IRQ_RX_EOM) || lock) { |
| cecb_pick_msg(rx_msg, &rx_len); |
| dprintk(L_2, "irqflg:RX_EOM\n"); |
| cec_store_msg_to_buff(rx_len, rx_msg); |
| cec_new_msg_push(); |
| dwork = &cec_dev->cec_work; |
| mod_delayed_work(cec_dev->cec_thread, dwork, 0); |
| } |
| |
| /* RX error irq flag */ |
| if (intr_cec & CEC_IRQ_RX_ERR_FOLLOWER) { |
| dprintk(L_2, "warning:FOLLOWER\n"); |
| hdmirx_cec_write(DWC_CEC_LOCK, 0); |
| /* TODO: need reset cec hw logic? */ |
| } |
| |
| /* wakeup op code will triger this int*/ |
| if (intr_cec & CEC_IRQ_RX_WAKEUP) { |
| dprintk(L_2, "warning:RX_WAKEUP\n"); |
| hdmirx_cec_write(DWC_CEC_WKUPCTRL, WAKEUP_EN_MASK); |
| /* TODO: wake up system if needed */ |
| } |
| } |
| |
| static irqreturn_t cecb_isr(int irq, void *dev_instance) |
| { |
| cecb_irq_handle(); |
| return IRQ_HANDLED; |
| } |
| |
| /* --------end of CECB-------- */ |
| |
| /* --------for AO CEC (CECA)-------- */ |
| static int ceca_rx_irq_handle(unsigned char *msg, unsigned char *len) |
| { |
| int i; |
| int ret = -1; |
| int pos; |
| int rx_stat; |
| |
| rx_stat = aocec_rd_reg(CEC_RX_MSG_STATUS); |
| if (rx_stat != RX_DONE || (aocec_rd_reg(CEC_RX_NUM_MSG) != 1)) { |
| CEC_INFO("rx status:%x\n", rx_stat); |
| write_ao(AO_CEC_INTR_CLR, (1 << 2)); |
| aocec_wr_reg(CEC_RX_MSG_CMD, RX_ACK_CURRENT); |
| aocec_wr_reg(CEC_RX_MSG_CMD, RX_NO_OP); |
| ceca_rx_buf_clear(); |
| return ret; |
| } |
| |
| *len = aocec_rd_reg(CEC_RX_MSG_LENGTH) + 1; |
| |
| for (i = 0; i < (*len) && i < MAX_MSG; i++) |
| msg[i] = aocec_rd_reg(CEC_RX_MSG_0_HEADER + i); |
| |
| ret = rx_stat; |
| |
| /* ignore ping message */ |
| if (cec_msg_dbg_en && *len > 1) { |
| pos = 0; |
| pos += sprintf(msg_log_buf + pos, |
| "cec a rx len %d:", *len); |
| for (i = 0; i < (*len); i++) |
| pos += sprintf(msg_log_buf + pos, "%02x ", msg[i]); |
| pos += sprintf(msg_log_buf + pos, "\n"); |
| msg_log_buf[pos] = '\0'; |
| CEC_INFO("%s", msg_log_buf); |
| } |
| last_cec_msg->len = 0; /* invalid back up msg when rx */ |
| write_ao(AO_CEC_INTR_CLR, (1 << 2)); |
| aocec_wr_reg(CEC_RX_MSG_CMD, RX_ACK_CURRENT); |
| aocec_wr_reg(CEC_RX_MSG_CMD, RX_NO_OP); |
| ceca_rx_buf_clear(); |
| pin_status = 1; |
| |
| /* when use two cec ip, cec a only send msg, discard all rx msg */ |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) { |
| /*CEC_INFO("discard msg\n");*/ |
| return -1; |
| } |
| std_ao_cec.rx_msg.len = *len; |
| if (std_ao_cec.rx_msg.len <= CEC_MAX_MSG_SIZE) |
| memcpy(std_ao_cec.rx_msg.msg, msg, std_ao_cec.rx_msg.len); |
| cec_received_msg(std_ao_cec.adap, &std_ao_cec.rx_msg); |
| |
| return ret; |
| } |
| |
| static void ceca_tx_irq_handle(void) |
| { |
| unsigned int tx_status = aocec_rd_reg(CEC_TX_MSG_STATUS); |
| |
| cec_tx_result = -1; |
| switch (tx_status) { |
| case TX_DONE: |
| aocec_wr_reg(CEC_TX_MSG_CMD, TX_NO_OP); |
| cec_tx_result = CEC_FAIL_NONE; |
| std_ao_cec.tx_result = CEC_TX_STATUS_OK; |
| schedule_work(&std_ao_cec.work_cec_tx); |
| break; |
| |
| case TX_BUSY: |
| CEC_ERR("TX_BUSY\n"); |
| cec_tx_result = CEC_FAIL_BUSY; |
| std_ao_cec.tx_result = CEC_TX_STATUS_ARB_LOST; |
| schedule_work(&std_ao_cec.work_cec_tx); |
| break; |
| |
| case TX_ERROR: |
| CEC_ERR("TX ERROR!\n"); |
| aocec_wr_reg(CEC_TX_MSG_CMD, TX_ABORT); |
| ceca_hw_reset(); |
| if (cec_dev->cec_num <= ENABLE_ONE_CEC) |
| cec_restore_logical_addr(CEC_A, |
| cec_dev->cec_info.addr_enable); |
| cec_tx_result = CEC_FAIL_NACK; |
| std_ao_cec.tx_result = CEC_TX_STATUS_NACK; |
| schedule_work(&std_ao_cec.work_cec_tx); |
| break; |
| |
| case TX_IDLE: |
| CEC_ERR("TX_IDLE\n"); |
| cec_tx_result = CEC_FAIL_OTHER; |
| std_ao_cec.tx_result = CEC_TX_STATUS_ERROR; |
| schedule_work(&std_ao_cec.work_cec_tx); |
| break; |
| default: |
| break; |
| } |
| write_ao(AO_CEC_INTR_CLR, (1 << 1)); |
| complete(&cec_dev->tx_ok); |
| } |
| |
| static void ceca_tasklet_pro(unsigned long arg) |
| { |
| unsigned int intr_stat = 0; |
| struct delayed_work *dwork; |
| |
| dwork = &cec_dev->cec_work; |
| intr_stat = ao_ceca_intr_stat(); |
| /*dprintk(L_2, "ceca_tsklet 0x%x\n", intr_stat);*/ |
| if (intr_stat & AO_CEC_TX_INT) { |
| /* cec a tx intr */ |
| ceca_tx_irq_handle(); |
| return; |
| } else if (intr_stat & AO_CEC_RX_INT) { |
| /* cec a rx intr */ |
| if ((-1) == ceca_rx_irq_handle(rx_msg, &rx_len)) |
| return; |
| |
| cec_store_msg_to_buff(rx_len, rx_msg); |
| cec_new_msg_push(); |
| mod_delayed_work(cec_dev->cec_thread, dwork, 0); |
| } |
| } |
| |
| static irqreturn_t ceca_isr(int irq, void *dev_instance) |
| { |
| tasklet_schedule(&ceca_tasklet); |
| return IRQ_HANDLED; |
| } |
| |
| /* --------end of AOCEC (CECA)-------- */ |
| static bool check_physical_addr_valid(int timeout) |
| { |
| while (timeout > 0) { |
| if (cec_dev->dev_type == CEC_TV_ADDR) |
| break; |
| if (phy_addr_test) |
| break; |
| /* physical address for box */ |
| if (get_hpd_state() && |
| get_hdmitx_phy_addr() && |
| get_hdmitx_phy_addr()->valid == 0) { |
| msleep(40); |
| timeout--; |
| } else { |
| break; |
| } |
| } |
| if (timeout <= 0) |
| return false; |
| return true; |
| } |
| |
| /* Return value: < 0: fail, > 0: success */ |
| int cec_ll_tx(const unsigned char *msg, unsigned char len) |
| { |
| int ret = -1; |
| int t; |
| int retry = 2; |
| unsigned int cec_sel; |
| |
| mutex_lock(&cec_dev->cec_tx_mutex); |
| /* only use cec a send msg */ |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) |
| cec_sel = CEC_A; |
| else |
| cec_sel = ee_cec; |
| |
| t = msecs_to_jiffies((cec_sel == CEC_B) ? 2000 : 5000); |
| |
| if (len == 0) { |
| CEC_INFO("err len 0\n"); |
| mutex_unlock(&cec_dev->cec_tx_mutex); |
| return CEC_FAIL_NONE; |
| } |
| /* |
| * AO CEC controller will ack poll message itself if logical |
| * address already set. Must clear it before poll again |
| * self polling mode |
| */ |
| if (is_poll_message(msg[0])) |
| cec_clear_all_logical_addr(cec_sel); |
| |
| /* |
| * for CEC CTS 9.3. Android will try 3 poll message if got NACK |
| * but AOCEC will retry 4 tx for each poll message. Framework |
| * repeat this poll message so quick makes 12 sequential poll |
| * waveform seen on CEC bus. And did not pass CTS |
| * specification of 9.3 |
| */ |
| if (cec_sel == CEC_A && need_nack_repeat_msg(msg, len, t)) { |
| if (!memcmp(msg, last_cec_msg->msg, len)) { |
| CEC_INFO("NACK repeat message:%x\n", len); |
| mutex_unlock(&cec_dev->cec_tx_mutex); |
| return CEC_FAIL_NACK; |
| } |
| } |
| |
| /* make sure we got valid physical address */ |
| if (len >= 2 && msg[1] == CEC_OC_REPORT_PHYSICAL_ADDRESS) |
| check_physical_addr_valid(3); |
| |
| try_again: |
| reinit_completion(&cec_dev->tx_ok); |
| /* |
| * CEC controller won't ack message if it is going to send |
| * state. If we detect cec line is low during waiting signal |
| * free time, that means a send is already started by other |
| * device, we should wait it finished. |
| */ |
| if (check_confilct()) { |
| CEC_ERR("bus confilct too long\n"); |
| mutex_unlock(&cec_dev->cec_tx_mutex); |
| return CEC_FAIL_BUSY; |
| } |
| |
| if (cec_sel == CEC_B) |
| ret = cecb_trigle_tx(msg, len); |
| else |
| ret = ceca_trigle_tx(msg, len); |
| if (ret < 0) { |
| /* we should increase send idx if busy */ |
| CEC_INFO("tx busy\n"); |
| if (retry > 0) { |
| retry--; |
| msleep(100 + (prandom_u32() & 0x07) * 10); |
| dprintk(L_2, "retry0 %d\n", retry); |
| goto try_again; |
| } |
| mutex_unlock(&cec_dev->cec_tx_mutex); |
| return CEC_FAIL_BUSY; |
| } |
| cec_tx_result = -1; |
| ret = wait_for_completion_timeout(&cec_dev->tx_ok, t); |
| if (ret <= 0) { |
| /* timeout or interrupt */ |
| if (ret == 0) { |
| CEC_ERR("tx timeout\n"); |
| cec_hw_reset(cec_sel); |
| } |
| ret = CEC_FAIL_OTHER; |
| } else { |
| ret = cec_tx_result; |
| } |
| if (ret != CEC_FAIL_NONE && ret != CEC_FAIL_NACK) { |
| if (retry > 0) { |
| retry--; |
| msleep(100 + (prandom_u32() & 0x07) * 10); |
| dprintk(L_2, "retry1 %d\n", retry); |
| goto try_again; |
| } |
| } |
| |
| if (cec_sel == CEC_A) { |
| last_cec_msg->last_result = ret; |
| if (ret == CEC_FAIL_NACK) { |
| memcpy(last_cec_msg->msg, msg, len); |
| last_cec_msg->len = len; |
| last_cec_msg->last_jiffies = jiffies; |
| } |
| } |
| |
| dprintk(L_2, "%s ret:%d, %s\n", __func__, ret, cec_tx_ret_str(ret)); |
| mutex_unlock(&cec_dev->cec_tx_mutex); |
| return ret; |
| } |
| |
| static bool cec_need_store_msg_to_buff(void) |
| { |
| /* if framework has not started msg reading |
| * or there's still msg left in store buff, |
| * need to continue to store the received msg, |
| * otherwise msg will be flushed and lost. |
| */ |
| if (!cec_dev->framework_on || cec_dev->msg_num > 0) |
| return true; |
| else |
| return false; |
| } |
| |
| static void cec_store_msg_to_buff(unsigned char len, unsigned char *msg) |
| { |
| unsigned int i; |
| unsigned int msg_idx; |
| |
| if (!cec_dev) |
| return; |
| |
| if (cec_need_store_msg_to_buff() && |
| len < MAX_MSG && |
| cec_dev->msg_idx < CEC_MSG_BUFF_MAX) { |
| msg_idx = cec_dev->msg_idx; |
| cec_dev->msgbuff[msg_idx].len = len; |
| for (i = 0; i < MAX_MSG; i++) |
| cec_dev->msgbuff[msg_idx].msg[i] = msg[i]; |
| cec_dev->msg_idx++; |
| cec_dev->msg_num++; |
| CEC_INFO("save len %d, num %d\n", len, cec_dev->msg_idx); |
| } |
| } |
| |
| /* |
| * cec new message wait queue - wake up poll process |
| */ |
| static void cec_new_msg_push(void) |
| { |
| if (cec_config(0, 0) & CEC_FUNC_CFG_CEC_ON) { |
| complete(&cec_dev->rx_ok); |
| new_msg = 1; |
| /* will notify by stored_msg_push */ |
| if (cec_dev->framework_on && cec_need_store_msg_to_buff()) |
| return; |
| wake_up(&cec_msg_wait_queue); |
| /* uevent to notify cec msg received */ |
| queue_delayed_work(cec_dev->cec_rx_event_wq, |
| &cec_dev->work_cec_rx, 0); |
| } |
| } |
| |
| static int cec_rx_buf_check(void) |
| { |
| unsigned int rx_num_msg = 0; |
| |
| if (ee_cec == CEC_B) { |
| cecb_check_irq_enable(); |
| cecb_irq_handle(); |
| } else { |
| rx_num_msg = aocec_rd_reg(CEC_RX_NUM_MSG); |
| if (rx_num_msg) |
| CEC_INFO("rx msg num:0x%02x\n", rx_num_msg); |
| } |
| return rx_num_msg; |
| } |
| |
| static int __maybe_unused cec_late_check_rx_buffer(void) |
| { |
| int ret; |
| /*struct delayed_work *dwork = &cec_dev->cec_work;*/ |
| |
| ret = cec_rx_buf_check(); |
| if (!ret) |
| return 0; |
| /* |
| * start another check if rx buffer is full |
| */ |
| if ((-1) == ceca_rx_irq_handle(rx_msg, &rx_len)) { |
| CEC_INFO("buffer got unrecorgnized msg\n"); |
| ceca_rx_buf_clear(); |
| return 0; |
| } |
| return 1; |
| } |
| |
| static void cec_rx_process(void) |
| { |
| int len = rx_len; |
| int initiator, follower; |
| int opcode; |
| unsigned char msg[MAX_MSG] = {}; |
| int dest_phy_addr; |
| |
| if (len < 2 || !new_msg) /* ignore ping message */ |
| return; |
| |
| memcpy(msg, rx_msg, len); |
| initiator = ((msg[0] >> 4) & 0xf); |
| follower = msg[0] & 0xf; |
| if (follower != 0xf && follower != cec_dev->cec_info.log_addr) { |
| CEC_ERR("wrong rx message of bad follower:%x", follower); |
| rx_len = 0; |
| new_msg = 0; |
| return; |
| } |
| opcode = msg[1]; |
| CEC_INFO("%s op 0x%x\n", __func__, opcode); |
| switch (opcode) { |
| case CEC_OC_ACTIVE_SOURCE: |
| dest_phy_addr = msg[2] << 8 | msg[3]; |
| if (dest_phy_addr == 0xffff) |
| break; |
| dest_phy_addr |= (initiator << 16); |
| if (cec_dev->cec_suspend == CEC_PW_STANDBY) { |
| /*write_ao(AO_RTI_STATUS_REG1, dest_phy_addr);*/ |
| /*CEC_INFO("found wake up source:%x",*/ |
| /* dest_phy_addr);*/ |
| } |
| break; |
| |
| case CEC_OC_ROUTING_CHANGE: |
| dest_phy_addr = msg[4] << 8 | msg[5]; |
| if (dest_phy_addr == cec_dev->phy_addr && |
| cec_dev->cec_suspend == CEC_PW_STANDBY) { |
| CEC_INFO("wake up by ROUTING_CHANGE\n"); |
| cec_key_report(0); |
| } |
| break; |
| |
| case CEC_OC_GET_CEC_VERSION: |
| cec_give_version(initiator); |
| break; |
| |
| case CEC_OC_GIVE_DECK_STATUS: |
| cec_give_deck_status(initiator); |
| break; |
| |
| case CEC_OC_GIVE_PHYSICAL_ADDRESS: |
| cec_report_physical_address_smp(); |
| break; |
| |
| case CEC_OC_GIVE_DEVICE_VENDOR_ID: |
| cec_device_vendor_id(); |
| break; |
| |
| case CEC_OC_GIVE_OSD_NAME: |
| cec_set_osd_name(initiator); |
| break; |
| |
| case CEC_OC_STANDBY: |
| cec_inactive_source(initiator); |
| cec_menu_status_smp(initiator, DEVICE_MENU_INACTIVE); |
| break; |
| |
| case CEC_OC_SET_STREAM_PATH: |
| cec_set_stream_path(msg); |
| /* wake up if in early suspend */ |
| dest_phy_addr = (unsigned int)(msg[2] << 8 | msg[3]); |
| CEC_ERR("phyaddr:0x%x, 0x%x\n", |
| cec_dev->phy_addr, dest_phy_addr); |
| if (dest_phy_addr != 0xffff && |
| dest_phy_addr == cec_dev->phy_addr && |
| cec_dev->cec_suspend == CEC_PW_STANDBY) |
| cec_key_report(0); |
| break; |
| |
| case CEC_OC_REQUEST_ACTIVE_SOURCE: |
| if (cec_dev->cec_suspend == CEC_PW_POWER_ON) |
| cec_active_source_smp(); |
| break; |
| |
| case CEC_OC_GIVE_DEVICE_POWER_STATUS: |
| if (cec_dev->cec_suspend == CEC_PW_POWER_ON) |
| cec_report_power_status(initiator, CEC_PW_POWER_ON); |
| else |
| cec_report_power_status(initiator, CEC_PW_STANDBY); |
| break; |
| |
| case CEC_OC_USER_CONTROL_PRESSED: |
| /* wake up by key function */ |
| if (cec_dev->cec_suspend == CEC_PW_STANDBY) { |
| if (msg[2] == 0x40 || msg[2] == 0x6d) |
| cec_key_report(0); |
| } |
| break; |
| |
| case CEC_OC_MENU_REQUEST: |
| if (cec_dev->cec_suspend != CEC_PW_POWER_ON) |
| cec_menu_status_smp(initiator, DEVICE_MENU_INACTIVE); |
| else |
| cec_menu_status_smp(initiator, DEVICE_MENU_ACTIVE); |
| break; |
| |
| case CEC_OC_IMAGE_VIEW_ON: |
| case CEC_OC_TEXT_VIEW_ON: |
| /* request active source needed */ |
| dest_phy_addr = 0xffff; |
| dest_phy_addr = (dest_phy_addr << 0) | (initiator << 16); |
| if (cec_dev->cec_suspend == CEC_PW_STANDBY) { |
| CEC_INFO("weak up by otp\n"); |
| cec_key_report(0); |
| } |
| break; |
| |
| default: |
| CEC_ERR("cec unsupported cmd:0x%x, halflg:0x%x\n", |
| opcode, cec_dev->hal_flag); |
| break; |
| } |
| new_msg = 0; |
| } |
| |
| static bool __maybe_unused cec_service_suspended(void) |
| { |
| /* service is not enabled */ |
| /*if (!(cec_dev->hal_flag & (1 << HDMI_OPTION_SERVICE_FLAG)))*/ |
| /* return false;*/ |
| |
| if (!(cec_dev->hal_flag & (1 << HDMI_OPTION_SYSTEM_CEC_CONTROL))) |
| return true; |
| |
| return false; |
| } |
| |
| static void cec_save_pre_setting(void) |
| { |
| unsigned int config_data; |
| |
| /* AO_DEBUG_REG1 |
| * 0-15 : phy addr |
| * 16-20: logical address |
| * 21-23: device type |
| */ |
| config_data = cec_dev->cec_info.log_addr; |
| cec_config2_logaddr(config_data, 1); |
| config_data = cec_dev->dev_type; |
| cec_config2_devtype(config_data, 1); |
| |
| CEC_ERR("%s: logaddr:0x%x, devtype:0x%x\n", __func__, |
| cec_dev->cec_info.log_addr, |
| (unsigned int)cec_dev->dev_type); |
| cec_config2_phyaddr(cec_dev->phy_addr, 1); |
| } |
| |
| #ifdef CEC_FREEZE_WAKE_UP |
| static void cec_restore_pre_setting(void) |
| { |
| unsigned int logaddr; |
| unsigned int devtype; |
| unsigned int cec_cfg; |
| /*unsigned int data32;*/ |
| /*char *token;*/ |
| |
| cec_cfg = cec_config(0, 0); |
| /*get device type*/ |
| /* AO_DEBUG_REG1+ |
| * 0-15 : phy addr+ |
| * 16-20: logical address+ |
| * 21-23: device type+ |
| */ |
| /*data32 = cec_config2_logaddr(0, 0);*/ |
| logaddr = cec_config2_logaddr(0, 0);/*(data32 >> 16) & 0xf;*/ |
| devtype = cec_config2_devtype(0, 0);/*(data32 >> 20) & 0xf;*/ |
| |
| /*get logical address*/ |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) |
| cec_logicaddr_add(CEC_B, logaddr); |
| else |
| cec_logicaddr_add(ee_cec, logaddr); |
| cec_dev->cec_info.addr_enable |= (1 << logaddr); |
| /* add by hal, to init some data structure */ |
| cec_dev->dev_type = devtype; |
| cec_dev->cec_info.log_addr = logaddr; |
| cec_dev->phy_addr = cec_config2_phyaddr(0, 0);/*data32 & 0xffff;*/ |
| |
| CEC_ERR("%s: logaddr:0x%x, devtype:%d\n", __func__, |
| cec_dev->cec_info.log_addr, |
| (unsigned int)cec_dev->dev_type); |
| |
| /*suspend freeze mode, driver handle cec msg*/ |
| cec_dev->hal_flag &= ~(1 << HDMI_OPTION_SERVICE_FLAG); |
| |
| /*token = kmalloc(2048, GFP_KERNEL);*/ |
| /*if (token) {*/ |
| /* dump_cecrx_reg(token);*/ |
| /* CEC_ERR("%s\n", token);*/ |
| /* kfree(token);*/ |
| /*}*/ |
| } |
| #endif |
| |
| static void cec_task(struct work_struct *work) |
| { |
| struct delayed_work *dwork = &cec_dev->cec_work; |
| unsigned int cec_cfg; |
| |
| cec_cfg = cec_config(0, 0); |
| if ((cec_cfg & CEC_FUNC_CFG_CEC_ON) && |
| cec_dev->cec_suspend == CEC_PW_STANDBY) { |
| /*cec module on*/ |
| #ifdef CEC_FREEZE_WAKE_UP |
| if (/*(cec_dev && cec_service_suspended()) ||*/ |
| is_pm_s2idle_mode()) |
| #else |
| if (cec_dev && cec_service_suspended()) |
| #endif |
| cec_rx_process(); |
| |
| /*for check rx buffer for old chip version, cec rx irq process*/ |
| /*in internal hdmi rx, for avoid msg lose*/ |
| if (cec_dev->plat_data->chip_id <= CEC_CHIP_TXLX && |
| cec_cfg == CEC_FUNC_CFG_ALL) { |
| if (cec_late_check_rx_buffer()) { |
| /*msg in*/ |
| mod_delayed_work(cec_dev->cec_thread, dwork, 0); |
| return; |
| } |
| } |
| } |
| |
| if (ceca_err_flag && cec_dev->probe_finish) |
| cec_hw_reset(CEC_A); |
| |
| /*triger next process*/ |
| queue_delayed_work(cec_dev->cec_thread, dwork, CEC_FRAME_DELAY); |
| } |
| |
| /******************** cec class interface *************************/ |
| static ssize_t device_type_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| return sprintf(buf, "%ld\n", cec_dev->dev_type); |
| } |
| |
| static ssize_t device_type_store(struct class *cla, |
| struct class_attribute *attr, |
| const char *buf, size_t count) |
| { |
| unsigned int type; |
| |
| if (kstrtouint(buf, 10, &type) != 0) |
| return -EINVAL; |
| |
| cec_dev->dev_type = type; |
| /*CEC_ERR("set dev_type to %d\n", type);*/ |
| return count; |
| } |
| |
| static ssize_t menu_language_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| char a, b, c; |
| |
| a = ((cec_dev->cec_info.menu_lang >> 16) & 0xff); |
| b = ((cec_dev->cec_info.menu_lang >> 8) & 0xff); |
| c = ((cec_dev->cec_info.menu_lang >> 0) & 0xff); |
| return sprintf(buf, "%c%c%c\n", a, b, c); |
| } |
| |
| static ssize_t menu_language_store(struct class *cla, |
| struct class_attribute *attr, |
| const char *buf, size_t count) |
| { |
| char a, b, c; |
| |
| if (sscanf(buf, "%c%c%c", &a, &b, &c) != 3) |
| return -EINVAL; |
| |
| cec_dev->cec_info.menu_lang = (a << 16) | (b << 8) | c; |
| /*CEC_ERR("set menu_language to %s\n", buf);*/ |
| return count; |
| } |
| |
| static ssize_t vendor_id_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| return sprintf(buf, "%x\n", cec_dev->cec_info.vendor_id); |
| } |
| |
| static ssize_t vendor_id_store(struct class *cla, struct class_attribute *attr, |
| const char *buf, size_t count) |
| { |
| unsigned int id; |
| |
| if (kstrtouint(buf, 16, &id) != 0) |
| return -EINVAL; |
| cec_dev->cec_info.vendor_id = id; |
| return count; |
| } |
| |
| static ssize_t port_num_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| return sprintf(buf, "%d\n", cec_dev->port_num); |
| } |
| |
| static ssize_t dump_reg_show(struct class *cla, |
| struct class_attribute *attr, char *b) |
| { |
| return dump_cecrx_reg(b); |
| } |
| |
| static ssize_t arc_port_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| return sprintf(buf, "%x\n", cec_dev->arc_port); |
| } |
| |
| static ssize_t osd_name_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| return sprintf(buf, "%s\n", cec_dev->cec_info.osd_name); |
| } |
| |
| static ssize_t port_seq_store(struct class *cla, |
| struct class_attribute *attr, |
| const char *buf, size_t count) |
| { |
| unsigned int seq; |
| |
| if (kstrtouint(buf, 16, &seq) != 0) |
| return -EINVAL; |
| |
| CEC_ERR("port_seq:%x\n", seq); |
| cec_dev->port_seq = seq; |
| return count; |
| } |
| |
| static ssize_t port_seq_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| return sprintf(buf, "%x\n", cec_dev->port_seq); |
| } |
| |
| static ssize_t port_status_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| unsigned int tmp; |
| unsigned int tx_hpd; |
| |
| tx_hpd = get_hpd_state(); |
| if (cec_dev->dev_type != CEC_TV_ADDR) { |
| tmp = tx_hpd; |
| return sprintf(buf, "%x\n", tmp); |
| } |
| tmp = hdmirx_rd_top(TOP_HPD_PWR5V); |
| CEC_INFO("TOP_HPD_PWR5V:%x\n", tmp); |
| tmp >>= 20; |
| tmp &= 0xf; |
| tmp |= (tx_hpd << 16); |
| return sprintf(buf, "%x\n", tmp); |
| } |
| |
| static ssize_t pin_status_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| unsigned int tx_hpd; |
| char p; |
| |
| tx_hpd = get_hpd_state(); |
| if (cec_dev->dev_type != CEC_TV_ADDR) { |
| if (!tx_hpd) { |
| pin_status = 0; |
| return sprintf(buf, "%s\n", "disconnected"); |
| } |
| if (pin_status == 0) { |
| p = (cec_dev->cec_info.log_addr << 4) | CEC_TV_ADDR; |
| if (cec_ll_tx(&p, 1) == CEC_FAIL_NONE) |
| return sprintf(buf, "%s\n", "ok"); |
| else |
| return sprintf(buf, "%s\n", "fail"); |
| } else { |
| return sprintf(buf, "%s\n", "ok"); |
| } |
| } else { |
| return sprintf(buf, "%s\n", pin_status ? "ok" : "fail"); |
| } |
| } |
| |
| static ssize_t physical_addr_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| unsigned int tmp = cec_dev->phy_addr; |
| |
| return sprintf(buf, "%04x\n", tmp); |
| } |
| |
| static ssize_t physical_addr_store(struct class *cla, |
| struct class_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int addr; |
| |
| if (kstrtouint(buf, 16, &addr) != 0) |
| return -EINVAL; |
| |
| if (addr > 0xffff || addr < 0) { |
| /*CEC_ERR("invalid input:%s\n", buf);*/ |
| phy_addr_test = 0; |
| return -EINVAL; |
| } |
| cec_dev->phy_addr = addr; |
| cec_config2_phyaddr(cec_dev->phy_addr, 1); |
| phy_addr_test = 1; |
| return count; |
| } |
| |
| static ssize_t dbg_en_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| return sprintf(buf, "%x\n", cec_msg_dbg_en); |
| } |
| |
| static ssize_t dbg_en_store(struct class *cla, struct class_attribute *attr, |
| const char *buf, size_t count) |
| { |
| int en; |
| |
| if (kstrtouint(buf, 16, &en) != 0) |
| return -EINVAL; |
| |
| cec_msg_dbg_en = en; |
| en = cec_config(0, 0); |
| en |= 0x80000000; |
| cec_config(en, 1); |
| return count; |
| } |
| |
| static ssize_t cmd_store(struct class *cla, struct class_attribute *attr, |
| const char *bu, size_t count) |
| { |
| char buf[20] = {}; |
| int tmpbuf[20] = {}; |
| int i; |
| int cnt; |
| int ret; |
| |
| cnt = sscanf(bu, "%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x", |
| &tmpbuf[0], &tmpbuf[1], &tmpbuf[2], &tmpbuf[3], |
| &tmpbuf[4], &tmpbuf[5], &tmpbuf[6], &tmpbuf[7], |
| &tmpbuf[8], &tmpbuf[9], &tmpbuf[10], &tmpbuf[11], |
| &tmpbuf[12], &tmpbuf[13], &tmpbuf[14], &tmpbuf[15]); |
| if (cnt < 0) |
| return -EINVAL; |
| if (cnt > 16) |
| cnt = 16; |
| |
| for (i = 0; i < cnt; i++) |
| buf[i] = (char)tmpbuf[i]; |
| |
| /*CEC_ERR("cnt=%d\n", cnt);*/ |
| ret = cec_ll_tx(buf, cnt); |
| dprintk(L_2, "%s ret:%d, %s\n", __func__, ret, cec_tx_ret_str(ret)); |
| return count; |
| } |
| |
| static ssize_t cmda_store(struct class *cla, struct class_attribute *attr, |
| const char *bu, size_t count) |
| { |
| char buf[20] = {}; |
| int tmpbuf[20] = {}; |
| int i; |
| int cnt; |
| |
| cnt = sscanf(bu, "%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x", |
| &tmpbuf[0], &tmpbuf[1], &tmpbuf[2], &tmpbuf[3], |
| &tmpbuf[4], &tmpbuf[5], &tmpbuf[6], &tmpbuf[7], |
| &tmpbuf[8], &tmpbuf[9], &tmpbuf[10], &tmpbuf[11], |
| &tmpbuf[12], &tmpbuf[13], &tmpbuf[14], &tmpbuf[15]); |
| if (cnt < 0) |
| return -EINVAL; |
| if (cnt > 16) |
| cnt = 16; |
| |
| for (i = 0; i < cnt; i++) |
| buf[i] = (char)tmpbuf[i]; |
| |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) |
| ceca_trigle_tx(buf, cnt); |
| |
| return count; |
| } |
| |
| static ssize_t cmdb_store(struct class *cla, struct class_attribute *attr, |
| const char *bu, size_t count) |
| { |
| char buf[20] = {}; |
| int tmpbuf[20] = {}; |
| int i; |
| int cnt; |
| |
| cnt = sscanf(bu, "%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x", |
| &tmpbuf[0], &tmpbuf[1], &tmpbuf[2], &tmpbuf[3], |
| &tmpbuf[4], &tmpbuf[5], &tmpbuf[6], &tmpbuf[7], |
| &tmpbuf[8], &tmpbuf[9], &tmpbuf[10], &tmpbuf[11], |
| &tmpbuf[12], &tmpbuf[13], &tmpbuf[14], &tmpbuf[15]); |
| if (cnt < 0) |
| return -EINVAL; |
| if (cnt > 16) |
| cnt = 16; |
| |
| for (i = 0; i < cnt; i++) |
| buf[i] = (char)tmpbuf[i]; |
| |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) |
| cecb_trigle_tx(buf, cnt); |
| |
| return count; |
| } |
| |
| /* extracted wakeup info for TV */ |
| static ssize_t wake_up_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| return sprintf(buf, "%x\n", *((unsigned int *)&cec_dev->wakup_data)); |
| } |
| |
| /* wakeup reason, 0x8 means wakeup by CEC msg */ |
| static ssize_t wake_up_reason_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| return sprintf(buf, "%x\n", cec_dev->wakeup_reason); |
| } |
| |
| /* primary one touch play message of wakeup */ |
| static ssize_t wake_up_otp_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| unsigned char i = 0; |
| int pos = 0; |
| |
| for (i = 0; i < cec_dev->cec_wk_otp_msg[0]; i++) |
| pos += snprintf(buf + pos, PAGE_SIZE, |
| "%02x\n", cec_dev->cec_wk_otp_msg[i + 1]); |
| return pos; |
| } |
| |
| /* primary active source msg of wakeup */ |
| static ssize_t wake_up_as_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| unsigned char i = 0; |
| int pos = 0; |
| |
| for (i = 0; i < cec_dev->cec_wk_as_msg[0]; i++) |
| pos += snprintf(buf + pos, PAGE_SIZE, |
| "%02x\n", cec_dev->cec_wk_as_msg[i + 1]); |
| return pos; |
| } |
| |
| static ssize_t fun_cfg_store(struct class *cla, struct class_attribute *attr, |
| const char *bu, size_t count) |
| { |
| int cnt, val; |
| |
| cnt = kstrtouint(bu, 16, &val); |
| if (cnt < 0 || val > 0xff) |
| return -EINVAL; |
| cec_config(val, 1); |
| if (val == 0) |
| cec_clear_all_logical_addr(ee_cec);/*cec_keep_reset();*/ |
| else |
| cec_pre_init(); |
| return count; |
| } |
| |
| static ssize_t fun_cfg_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| unsigned int reg = cec_config(0, 0); |
| |
| return sprintf(buf, "0x%x\n", reg & 0xff); |
| } |
| |
| static ssize_t cec_version_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| /*CEC_INFO("driver date:%s\n", CEC_DRIVER_VERSION);*/ |
| return sprintf(buf, "%d\n", cec_dev->cec_info.cec_version); |
| } |
| |
| static ssize_t log_addr_store(struct class *cla, struct class_attribute *attr, |
| const char *bu, size_t count) |
| { |
| int cnt, val; |
| |
| cnt = kstrtoint(bu, 16, &val); |
| if (cnt < 0 || val > 0xf) |
| return -EINVAL; |
| cec_logicaddr_set(val); |
| /* add by hal, to init some data structure */ |
| cec_dev->cec_info.log_addr = val; |
| cec_dev->cec_info.power_status = CEC_PW_POWER_ON; |
| |
| return count; |
| } |
| |
| static ssize_t log_addr_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| return sprintf(buf, "0x%x\n", cec_dev->cec_info.log_addr); |
| } |
| |
| static ssize_t dbg_store(struct class *cla, struct class_attribute *attr, |
| const char *bu, size_t count) |
| { |
| const char *delim = " "; |
| char *token; |
| char *cur = (char *)bu; |
| struct dbgflg *dbg = &stdbgflg; |
| unsigned int addr, val; |
| |
| token = strsep(&cur, delim); |
| if (token && strncmp(token, "bypass", 6) == 0) { |
| /*get the second param*/ |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &val) < 0) |
| return count; |
| |
| dbg->hal_cmd_bypass = val ? 1 : 0; |
| /*CEC_ERR("cmdbypass:%d\n", val);*/ |
| } else if (token && strncmp(token, "dbgen", 5) == 0) { |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &val) < 0) |
| return count; |
| |
| cec_msg_dbg_en = val; |
| CEC_ERR("msg_dbg_en:%d\n", val); |
| val = cec_config(0, 0); |
| val |= 0x80000000; |
| cec_config(val, 1); |
| } else if (token && strncmp(token, "rceca", 5) == 0) { |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| |
| CEC_ERR("rd ceca reg:0x%x val:0x%x\n", addr, |
| aocec_rd_reg(addr)); |
| } else if (token && strncmp(token, "wceca", 5) == 0) { |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &val) < 0) |
| return count; |
| |
| CEC_ERR("wa ceca reg:0x%x val:0x%x\n", addr, val); |
| aocec_wr_reg(addr, val); |
| } else if (token && strncmp(token, "rcecb", 5) == 0) { |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| |
| CEC_ERR("rd cecb reg:0x%x val:0x%x\n", addr, |
| hdmirx_cec_read(addr)); |
| } else if (token && strncmp(token, "wcecb", 5) == 0) { |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &val) < 0) |
| return count; |
| |
| CEC_ERR("wb cecb reg:0x%x val:0x%x\n", addr, val); |
| hdmirx_cec_write(addr, val); |
| } else if (token && strncmp(token, "dump", 4) == 0) { |
| token = kmalloc(2048, GFP_KERNEL); |
| if (token) { |
| dump_cecrx_reg(token); |
| CEC_ERR("%s\n", token); |
| kfree(token); |
| } |
| } else if (token && strncmp(token, "status", 6) == 0) { |
| cec_status(); |
| } else if (token && strncmp(token, "rao", 3) == 0) { |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| |
| val = read_ao(addr); |
| CEC_ERR("rao addr:0x%x, val:0x%x", addr, val); |
| } else if (token && strncmp(token, "wao", 3) == 0) { |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &val) < 0) |
| return count; |
| |
| write_ao(addr, val); |
| CEC_ERR("wao addr:0x%x, val:0x%x", addr, val); |
| } else if (token && strncmp(token, "preinit", 7) == 0) { |
| cec_config(CEC_FUNC_CFG_ALL, 1); |
| cec_pre_init(); |
| cec_irq_enable(true); |
| } else if (token && strncmp(token, "setaddr", 7) == 0) { |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| cec_logicaddr_set(addr); |
| } else if (token && strncmp(token, "clraddr", 7) == 0) { |
| cec_dev->cec_info.addr_enable = 0; |
| cec_clear_all_logical_addr(ee_cec); |
| } else if (token && strncmp(token, "clralladdr", 10) == 0) { |
| cec_dev->cec_info.addr_enable = 0; |
| cec_clear_all_logical_addr(CEC_A); |
| cec_clear_all_logical_addr(CEC_B); |
| } else if (token && strncmp(token, "addaddr", 7) == 0) { |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| cec_dev->cec_info.addr_enable |= (1 << (addr & 0xf)); |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) |
| cec_logicaddr_add(CEC_B, addr); |
| else |
| cec_logicaddr_add(ee_cec, addr); |
| cec_dev->cec_info.log_addr = addr; |
| } else if (token && strncmp(token, "rmaddr", 6) == 0) { |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| cec_dev->cec_info.addr_enable &= ~(1 << (addr & 0xf)); |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) |
| cec_logicaddr_remove(CEC_B, addr); |
| else |
| cec_logicaddr_remove(ee_cec, addr); |
| } else if (token && strncmp(token, "addaaddr", 8) == 0) { |
| if (cec_dev->plat_data->ceca_ver == CECA_NONE) |
| return count; |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| cec_dev->cec_info.addr_enable |= (1 << (addr & 0xf)); |
| cec_logicaddr_add(CEC_A, addr); |
| } else if (token && strncmp(token, "addbaddr", 8) == 0) { |
| if (cec_dev->plat_data->cecb_ver == CECB_NONE) |
| return count; |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| cec_dev->cec_info.addr_enable |= (1 << (addr & 0xf)); |
| cec_logicaddr_add(CEC_B, addr); |
| } else if (token && strncmp(token, "sharepin", 8) == 0) { |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &val) < 0) |
| return count; |
| cec_ip_share_io(true, val); |
| pr_info("share_io %d (0:a to b, 1:b to a)\n", val); |
| } else if (token && strncmp(token, "devtype", 7) == 0) { |
| token = strsep(&cur, delim); |
| /*string to int*/ |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| cec_ap_set_dev_type(addr); |
| } else if (token && strncmp(token, "setfreeze", 9) == 0) { |
| cec_save_pre_setting(); |
| CEC_ERR("Set enter freeze mode\n"); |
| } else if (token && strncmp(token, "input_en", 8) == 0) { |
| token = strsep(&cur, delim); |
| if (!token || kstrtouint(token, 16, &addr) < 0) |
| return count; |
| input_event_en = addr; |
| } else { |
| if (token) |
| CEC_ERR("no cmd:%s, supported list:\n", token); |
| pr_info("bypass 0/1 -bypass android framework cmd\n"); |
| pr_info("dbgen 0/1/2 -enable debug log\n"); |
| pr_info("rceca addr -read cec a register\n"); |
| pr_info("wceca addr val -write cec a register\n"); |
| pr_info("rcecb addr -read cec b register\n"); |
| pr_info("wcecb addr val -write cec b register\n"); |
| pr_info("rao addr -read ao register\n"); |
| pr_info("wao addr val -write ao register\n"); |
| pr_info("preinit - pre init cec module\n"); |
| pr_info("setaddr val -set logical addr\n"); |
| pr_info("clraddr val -clear logical addr x\n"); |
| pr_info("clralladdr -clear all logical addr\n"); |
| pr_info("addaddr val -add a logical addr\n"); |
| pr_info("rmaddr val -del a logical addr\n"); |
| pr_info("addaaddr val -add cec a logical addr\n"); |
| pr_info("addbaddr val -add cec b logical addr\n"); |
| pr_info("dump -dump cec register\n"); |
| pr_info("status -pr cec driver info\n"); |
| pr_info("sharepin 0/1 -select share pinmux\n"); |
| } |
| |
| return count; |
| } |
| |
| static ssize_t dbg_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| /*CEC_INFO(" %s\n", __func__);*/ |
| return 0; |
| } |
| |
| static ssize_t port_info_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| unsigned char i = 0; |
| int pos = 0; |
| struct hdmi_port_info *port; |
| |
| port = kcalloc(cec_dev->port_num, sizeof(*port), GFP_KERNEL); |
| if (!port) { |
| CEC_ERR("no memory for port info\n"); |
| return pos; |
| } |
| /* check delay time:20 x 40ms maximum */ |
| check_physical_addr_valid(20); |
| init_cec_port_info(port, cec_dev); |
| |
| for (i = 0; i < cec_dev->port_num; i++) { |
| /* port_id: 1/2/3 means HDMIRX1/2/3, 0 means HDMITX port */ |
| pos += snprintf(buf + pos, PAGE_SIZE, "port_id: %d, ", |
| port[i].port_id); |
| pos += snprintf(buf + pos, PAGE_SIZE, "port_type: %s, ", |
| port[i].type == HDMI_INPUT ? |
| "hdmirx" : "hdmitx"); |
| pos += snprintf(buf + pos, PAGE_SIZE, "physical_address: %x, ", |
| port[i].physical_address); |
| pos += snprintf(buf + pos, PAGE_SIZE, "cec_supported: %s, ", |
| port[i].cec_supported ? "true" : "false"); |
| pos += snprintf(buf + pos, PAGE_SIZE, "arc_supported: %s\n", |
| port[i].arc_supported ? "true" : "false"); |
| } |
| kfree(port); |
| |
| return pos; |
| } |
| |
| /* cat after receive "hdmi_conn=" uevent |
| * 0xXY, bit[4] stands for HDMITX port, |
| * bit[3~0] stands for HDMIRX PCB port D~A, |
| * bit value 1: plug, 0: unplug |
| */ |
| static ssize_t conn_status_show(struct class *cla, |
| struct class_attribute *attr, char *buf) |
| { |
| unsigned int tmp = 0; |
| |
| #if (defined(CONFIG_AMLOGIC_HDMITX) || defined(CONFIG_AMLOGIC_HDMITX21)) |
| tmp |= (get_hpd_state() << 4); |
| #endif |
| #ifdef CONFIG_AMLOGIC_MEDIA_TVIN_HDMI |
| tmp |= (hdmirx_get_connect_info() & 0xF); |
| #endif |
| |
| return sprintf(buf, "0x%x\n", tmp); |
| } |
| |
| /* for improve rw permission */ |
| static char *aml_cec_class_devnode(struct device *dev, umode_t *mode) |
| { |
| if (mode) { |
| *mode = 0666; |
| CEC_INFO("mode is %x\n", *mode); |
| } |
| return NULL; |
| } |
| |
| static CLASS_ATTR_WO(cmd); |
| static CLASS_ATTR_WO(cmda); |
| static CLASS_ATTR_WO(cmdb); |
| static CLASS_ATTR_RO(port_num); |
| static CLASS_ATTR_RO(osd_name); |
| static CLASS_ATTR_RO(dump_reg); |
| static CLASS_ATTR_RO(port_status); |
| static CLASS_ATTR_RO(pin_status); |
| static CLASS_ATTR_RO(cec_version); |
| static CLASS_ATTR_RO(arc_port); |
| static CLASS_ATTR_RO(wake_up); |
| static CLASS_ATTR_RO(wake_up_reason); |
| static CLASS_ATTR_RO(wake_up_otp); |
| static CLASS_ATTR_RO(wake_up_as); |
| static CLASS_ATTR_RW(port_seq); |
| static CLASS_ATTR_RW(physical_addr); |
| static CLASS_ATTR_RW(vendor_id); |
| static CLASS_ATTR_RW(menu_language); |
| static CLASS_ATTR_RW(device_type); |
| static CLASS_ATTR_RW(dbg_en); |
| static CLASS_ATTR_RW(log_addr); |
| static CLASS_ATTR_RW(fun_cfg); |
| static CLASS_ATTR_RW(dbg); |
| static CLASS_ATTR_RO(conn_status); |
| static CLASS_ATTR_RO(port_info); |
| |
| static struct attribute *aocec_class_attrs[] = { |
| &class_attr_cmd.attr, |
| &class_attr_cmda.attr, |
| &class_attr_cmdb.attr, |
| &class_attr_port_num.attr, |
| &class_attr_osd_name.attr, |
| &class_attr_dump_reg.attr, |
| &class_attr_port_status.attr, |
| &class_attr_pin_status.attr, |
| &class_attr_cec_version.attr, |
| &class_attr_arc_port.attr, |
| &class_attr_wake_up.attr, |
| &class_attr_wake_up_reason.attr, |
| &class_attr_wake_up_otp.attr, |
| &class_attr_wake_up_as.attr, |
| &class_attr_port_seq.attr, |
| &class_attr_physical_addr.attr, |
| &class_attr_vendor_id.attr, |
| &class_attr_menu_language.attr, |
| &class_attr_device_type.attr, |
| &class_attr_dbg_en.attr, |
| &class_attr_log_addr.attr, |
| &class_attr_fun_cfg.attr, |
| &class_attr_dbg.attr, |
| &class_attr_conn_status.attr, |
| &class_attr_port_info.attr, |
| NULL, |
| }; |
| |
| ATTRIBUTE_GROUPS(aocec_class); |
| static struct class aocec_class = { |
| .name = CEC_DEV_NAME, |
| .owner = THIS_MODULE, |
| .class_groups = aocec_class_groups, |
| .devnode = aml_cec_class_devnode, |
| }; |
| |
| /************************ cec high level code *****************************/ |
| #ifdef CONFIG_HAS_EARLYSUSPEND |
| static void aocec_early_suspend(struct early_suspend *h) |
| { |
| cec_dev->cec_suspend = CEC_PW_STANDBY; |
| cec_save_mail_box(); |
| /* reset wakeup reason for considering light sleep situation*/ |
| cec_dev->wakeup_reason = 0; |
| CEC_INFO("%s\n", __func__); |
| } |
| |
| static void aocec_late_resume(struct early_suspend *h) |
| { |
| if (!cec_dev) |
| return; |
| |
| /* cec_dev->wakeup_st = 0; */ |
| /* cec_dev->msg_idx = 0; */ |
| |
| cec_dev->cec_suspend = CEC_PW_POWER_ON; |
| CEC_ERR("%s, suspend sts:%d\n", __func__, cec_dev->cec_suspend); |
| } |
| #endif |
| |
| #ifdef CONFIG_OF |
| #ifndef CONFIG_AMLOGIC_REMOVE_OLD |
| static const struct cec_platform_data_s cec_gxl_data = { |
| .chip_id = CEC_CHIP_GXL, |
| .line_reg = 0, |
| .line_bit = 8, |
| .ee_to_ao = 0, |
| .ceca_sts_reg = 0, |
| .ceca_ver = CECA_VER_0, |
| .cecb_ver = CECB_VER_0, |
| .share_io = false, |
| .reg_tab_group = cec_reg_group_old, |
| }; |
| |
| static const struct cec_platform_data_s cec_txlx_data = { |
| .chip_id = CEC_CHIP_TXLX, |
| .line_reg = 0, |
| .line_bit = 7, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 0, |
| .ceca_ver = CECA_VER_0, |
| .cecb_ver = CECB_VER_1, |
| .share_io = false, |
| .reg_tab_group = cec_reg_group_old, |
| }; |
| |
| static const struct cec_platform_data_s cec_txl_data = { |
| .chip_id = CEC_CHIP_TXL, |
| .line_reg = 0,/*line_reg=0:AO_GPIO_I*/ |
| .line_bit = 7, |
| .ee_to_ao = 0, |
| .ceca_sts_reg = 0, |
| .ceca_ver = CECA_VER_0, |
| .cecb_ver = CECB_VER_0, |
| .share_io = false, |
| .reg_tab_group = cec_reg_group_old, |
| }; |
| |
| static const struct cec_platform_data_s cec_tl1_data = { |
| .chip_id = CEC_CHIP_TL1, |
| .line_reg = 0,/*line_reg=0:AO_GPIO_I*/ |
| .line_bit = 10, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 1, |
| .ceca_ver = CECA_VER_0, |
| .cecb_ver = CECB_VER_2, |
| .share_io = false, |
| .reg_tab_group = cec_reg_group_old, |
| }; |
| |
| static const struct cec_platform_data_s cec_a1_data = { |
| .chip_id = CEC_CHIP_A1, |
| .line_reg = 0xff,/*don't check*/ |
| .line_bit = 0, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 1, |
| .ceca_ver = CECA_VER_1, |
| .cecb_ver = CECB_VER_2, |
| .share_io = true, |
| .reg_tab_group = cec_reg_group_a1, |
| }; |
| #endif |
| |
| static const struct cec_platform_data_s cec_g12a_data = { |
| .chip_id = CEC_CHIP_G12A, |
| .line_reg = 1, |
| .line_bit = 3, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 0, |
| .ceca_ver = CECA_VER_0, |
| .cecb_ver = CECB_VER_1, |
| .share_io = false, |
| .reg_tab_group = cec_reg_group_old, |
| }; |
| |
| static const struct cec_platform_data_s cec_g12b_data = { |
| .chip_id = CEC_CHIP_G12B, |
| .line_reg = 1, |
| .line_bit = 3, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 0, |
| .ceca_ver = CECA_VER_0, |
| .cecb_ver = CECB_VER_1, |
| .share_io = false, |
| .reg_tab_group = cec_reg_group_old, |
| }; |
| |
| static const struct cec_platform_data_s cec_sm1_data = { |
| .chip_id = CEC_CHIP_SM1, |
| .line_reg = 1,/*line_reg=1:PREG_PAD_GPIO3_I*/ |
| .line_bit = 3, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 1, |
| .ceca_ver = CECA_VER_1, |
| .cecb_ver = CECB_VER_2, |
| .share_io = true, |
| .reg_tab_group = cec_reg_group_old, |
| }; |
| |
| static const struct cec_platform_data_s cec_tm2_data = { |
| .chip_id = CEC_CHIP_TM2, |
| .line_reg = 0,/*line_reg=0:AO_GPIO_I*/ |
| .line_bit = 10, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 1, |
| .ceca_ver = CECA_VER_1, |
| .cecb_ver = CECB_VER_2, |
| .share_io = true, |
| .reg_tab_group = cec_reg_group_old, |
| }; |
| |
| static const struct cec_platform_data_s cec_sc2_data = { |
| .chip_id = CEC_CHIP_SC2, |
| .line_reg = 0xff,/*don't check*/ |
| .line_bit = 0, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 1, |
| .ceca_ver = CECA_VER_1, |
| .cecb_ver = CECB_VER_3, |
| .share_io = true, |
| .reg_tab_group = cec_reg_group_a1, |
| }; |
| |
| static const struct cec_platform_data_s cec_t5_data = { |
| .chip_id = CEC_CHIP_T5, |
| .line_reg = 0xff,/*don't check*/ /*line_reg=0:AO_GPIO_I*/ |
| .line_bit = 10, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 1, |
| .ceca_ver = CECA_NONE, |
| .cecb_ver = CECB_VER_2, |
| .share_io = true, |
| .reg_tab_group = cec_reg_group_old, |
| }; |
| |
| static const struct cec_platform_data_s cec_t5d_data = { |
| .chip_id = CEC_CHIP_T5D, |
| .line_reg = 0xff,/*don't check*/ /*line_reg=0:AO_GPIO_I*/ |
| .line_bit = 10, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 1, |
| .ceca_ver = CECA_NONE, |
| .cecb_ver = CECB_VER_2, |
| .share_io = true, |
| .reg_tab_group = cec_reg_group_old, |
| }; |
| |
| static const struct cec_platform_data_s cec_t7_data = { |
| .chip_id = CEC_CHIP_T7, |
| .line_reg = 0xff,/*don't check*/ |
| .line_bit = 0, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 1, |
| .ceca_ver = CECA_VER_1, |
| .cecb_ver = CECB_VER_3, |
| .share_io = false, |
| .reg_tab_group = cec_reg_group_a1, |
| }; |
| |
| static const struct cec_platform_data_s cec_s4_data = { |
| .chip_id = CEC_CHIP_S4, |
| .line_reg = 0xff,/*don't check*/ |
| .line_bit = 0, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 1, |
| .ceca_ver = CECA_VER_1, |
| .cecb_ver = CECB_VER_3, |
| .share_io = true, |
| .reg_tab_group = cec_reg_group_a1, |
| }; |
| |
| static const struct cec_platform_data_s cec_t3_data = { |
| .chip_id = CEC_CHIP_T3, |
| .line_reg = 0xff,/*don't check*/ |
| .line_bit = 0, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 0, |
| .ceca_ver = CECA_NONE, |
| .cecb_ver = CECB_VER_3, |
| .share_io = false, |
| .reg_tab_group = cec_reg_group_a1, |
| }; |
| |
| static const struct cec_platform_data_s cec_t5w_data = { |
| .chip_id = CEC_CHIP_T5W, |
| .line_reg = 0xff,/*don't check*/ /*line_reg=0:AO_GPIO_I*/ |
| .line_bit = 10, |
| .ee_to_ao = 1, |
| .ceca_sts_reg = 1, |
| .ceca_ver = CECA_NONE, |
| .cecb_ver = CECB_VER_2, |
| .share_io = true, |
| .reg_tab_group = cec_reg_group_old, |
| }; |
| |
| static const struct of_device_id aml_cec_dt_match[] = { |
| #ifndef CONFIG_AMLOGIC_REMOVE_OLD |
| { |
| .compatible = "amlogic, amlogic-aocec", |
| .data = &cec_gxl_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-txlx", |
| .data = &cec_txlx_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-txl", |
| .data = &cec_txl_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-tl1", |
| .data = &cec_tl1_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-a1", |
| .data = &cec_a1_data, |
| }, |
| #endif |
| { |
| .compatible = "amlogic, aocec-g12a", |
| .data = &cec_g12a_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-g12b", |
| .data = &cec_g12b_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-sm1", |
| .data = &cec_sm1_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-tm2", |
| .data = &cec_tm2_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-sc2", |
| .data = &cec_sc2_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-t5", |
| .data = &cec_t5_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-t5d", |
| .data = &cec_t5d_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-t7", |
| .data = &cec_t7_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-s4", |
| .data = &cec_s4_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-t3", |
| .data = &cec_t3_data, |
| }, |
| { |
| .compatible = "amlogic, aocec-t5w", |
| .data = &cec_t5w_data, |
| }, |
| {} |
| }; |
| #endif |
| |
| static void cec_node_val_init(void) |
| { |
| /* initial main logical address */ |
| cec_dev->cec_info.log_addr = 0; |
| /* all logical address disable */ |
| cec_dev->cec_info.addr_enable = 0; |
| cec_dev->cec_info.open_count.counter = 0; |
| } |
| |
| static void cec_dbg_init(void) |
| { |
| stdbgflg.hal_cmd_bypass = 0; |
| } |
| |
| static int __of_irq_count(struct device_node *dev) |
| { |
| struct of_phandle_args irq; |
| int nr = 0; |
| |
| while (of_irq_parse_one(dev, nr, &irq) == 0) |
| nr++; |
| |
| return nr; |
| } |
| |
| /* handler for both hdmitx & rx */ |
| static void cec_hdmi_plug_handler(struct work_struct *work) |
| { |
| unsigned int tmp = 0; |
| |
| #if (defined(CONFIG_AMLOGIC_HDMITX) || defined(CONFIG_AMLOGIC_HDMITX21)) |
| tmp |= (get_hpd_state() << 4); |
| #endif |
| #ifdef CONFIG_AMLOGIC_MEDIA_TVIN_HDMI |
| tmp |= (hdmirx_get_connect_info() & 0xF); |
| #endif |
| |
| cec_set_uevent(HDMI_PLUG_EVENT, tmp); |
| } |
| |
| static void cec_rx_uevent_handler(struct work_struct *work) |
| { |
| /* notify framework to read cec msg */ |
| cec_set_uevent(CEC_RX_MSG, 1); |
| /* clear notify */ |
| cec_set_uevent(CEC_RX_MSG, 0); |
| |
| std_ao_cec.rx_msg.len = rx_len; |
| if (std_ao_cec.rx_msg.len <= CEC_MAX_MSG_SIZE) |
| memcpy(std_ao_cec.rx_msg.msg, rx_msg, std_ao_cec.rx_msg.len); |
| cec_received_msg(std_ao_cec.adap, &std_ao_cec.rx_msg); |
| } |
| |
| /* --------For CEC framework interface-------- */ |
| |
| /* This callback enables or disables the CEC hardware. |
| * Enabling the CEC hardware means powering it up in |
| * a state where no logical addresses are claimed. |
| * This op assumes that the physical address |
| * (adap->phys_addr) is valid when enable is true |
| * and will not change while the CEC adapter remains |
| * enabled. The initial state of the CEC adapter |
| * after calling cec_allocate_adapter() is disabled. |
| */ |
| static int ao_cec_adap_enable(struct cec_adapter *adap, bool enable) |
| { |
| unsigned int tmp; |
| |
| CEC_INFO("%s enable: %d\n", __func__, enable); |
| |
| if (!enable) { |
| /* disable CEC HW */ |
| return 0; |
| } |
| /* store phy addr in reg, witch will be used under suspend; |
| * calc it as it can't be transferred from cec core |
| */ |
| tmp = cec_get_cur_phy_addr(); |
| if (cec_dev->dev_type != CEC_TV_ADDR && tmp != 0 && |
| tmp != 0xffff) { |
| cec_dev->phy_addr = tmp; |
| } else { |
| CEC_INFO("%s dev_type %lu, tmp_phy_addr: 0x%x\n", |
| __func__, cec_dev->dev_type, tmp); |
| cec_dev->phy_addr = 0; |
| } |
| cec_config2_phyaddr(cec_dev->phy_addr, 1); |
| cec_hw_init(); |
| return 0; |
| } |
| |
| /* if logical_addr == CEC_LOG_ADDR_INVALID then |
| * all programmed logical addresses are to be erased. |
| * Otherwise the given logical address should be |
| * programmed. If the maximum number of available |
| * logical addresses is exceeded, then it should |
| * return -ENXIO. Once a logical address is programmed |
| * the CEC hardware can receive directed messages |
| * to that address. Note that adap_log_addr must |
| * return 0 if logical_addr is CEC_LOG_ADDR_INVALID. |
| */ |
| |
| static int ao_cec_set_log_addr(struct cec_adapter *adap, u8 logical_addr) |
| { |
| unsigned char cur_log_addr_num = 0; |
| unsigned char i = 0; |
| |
| CEC_INFO("%s enable: %x\n", __func__, logical_addr); |
| for (i = 0; i < 16; i++) { |
| if (((cec_dev->cec_info.addr_enable >> i) & 0x1) == 0x1) |
| cur_log_addr_num++; |
| } |
| if (logical_addr == CEC_LOG_ADDR_INVALID) { |
| cec_ap_clear_logical_addr(); |
| return 0; |
| } else if (cur_log_addr_num > MAX_LOG_ADDR_CNT) { |
| /* log_addr_num > maximum number of available */ |
| CEC_ERR("exceed the maximum supportted log addr\n"); |
| return -ENXIO; |
| } |
| if (logical_addr == 0) { |
| /* clear phy addr if it's TV ? */ |
| /* cec_dev->phy_addr = 0; */ |
| /* cec_config2_phyaddr(0, 1); */ |
| cec_dev->dev_type = CEC_TV_ADDR; |
| } else if (logical_addr == CEC_PLAYBACK_DEVICE_1_ADDR || |
| logical_addr == CEC_PLAYBACK_DEVICE_2_ADDR || |
| logical_addr == CEC_PLAYBACK_DEVICE_3_ADDR) { |
| cec_dev->dev_type = CEC_PLAYBACK_DEVICE_1_ADDR; |
| } else { |
| cec_dev->dev_type = CEC_PLAYBACK_DEVICE_1_ADDR; |
| CEC_ERR("cec_adapter logic_addr abnormal\n"); |
| } |
| cec_ap_add_logical_addr(logical_addr); |
| cec_config2_devtype(cec_dev->dev_type, 1); |
| return 0; |
| } |
| |
| static void ao_cec_tx_work(struct work_struct *work) |
| { |
| struct st_ao_cec *ao_cec = container_of(work, |
| struct st_ao_cec, work_cec_tx); |
| |
| cec_transmit_attempt_done(ao_cec->adap, ao_cec->tx_result); |
| } |
| |
| /* The attempts argument is the suggested number of |
| * attempts for the transmit. The signal_free_time |
| * is the number of data bit periods that the adapter |
| * should wait when the line is free before attempting |
| * to send a message. This value depends on whether |
| * this transmit is a retry, a message from a new |
| * initiator or a new message for the same initiator. |
| * Most hardware will handle this automatically, |
| * but in some cases this information is needed. |
| * The CEC_FREE_TIME_TO_USEC macro can be used to |
| * convert signal_free_time to microseconds |
| * (one data bit period is 2.4 ms) |
| */ |
| static int ao_cec_transmit(struct cec_adapter *adap, u8 attempts, |
| u32 signal_free_time, struct cec_msg *msg) |
| { |
| CEC_INFO("%s\n", __func__); |
| if (!msg) |
| return -1; |
| cec_ll_tx(msg->msg, msg->len); |
| |
| return 0; |
| } |
| |
| /* This optional callback can be used to show the status |
| * of the CEC hardware. The status is available through |
| * debugfs: cat /sys/kernel/debug/cec/cecX/status |
| */ |
| void aml_adap_status(struct cec_adapter *adap, struct seq_file *file) |
| { |
| cec_status(); |
| } |
| |
| /* To free any resources when the adapter is deleted, |
| * This optional callback can be used to free any |
| * resources that might have been allocated by |
| * the driver. It's called from cec_delete_adapter. |
| */ |
| void aml_adap_free(struct cec_adapter *adap) |
| { |
| } |
| |
| static const struct cec_adap_ops ao_cec_ops = { |
| /* Low-level callbacks */ |
| .adap_enable = ao_cec_adap_enable, |
| .adap_log_addr = ao_cec_set_log_addr, |
| .adap_transmit = ao_cec_transmit, |
| .adap_status = aml_adap_status, |
| .adap_free = aml_adap_free, |
| |
| /* Error injection callbacks */ |
| /* High-level CEC message callback */ |
| |
| /* If the driver wants to process a CEC message, |
| * then it can implement this callback. If it |
| * doesn't want to handle this message, then it |
| * should return -ENOMSG, otherwise the CEC |
| * framework assumes it processed this message |
| * and it will not do anything with it. |
| */ |
| /* int (*received)(struct cec_adapter *adap, struct cec_msg *msg); */ |
| }; |
| |
| /* --------end of CEC framework interface-------- */ |
| |
| static int aml_aocec_probe(struct platform_device *pdev) |
| { |
| int ret = 0; |
| const struct of_device_id *of_id; |
| #ifdef CONFIG_CEC_NOTIFIER |
| #ifdef CONFIG_DRM_MESON_HDMI |
| struct device *hdmi_tx_dev; |
| #endif |
| #endif |
| #ifdef CONFIG_OF |
| struct device_node *node = pdev->dev.of_node; |
| int r; |
| const char *irq_name_a = NULL; |
| const char *irq_name_b = NULL; |
| struct pinctrl *pin; |
| struct vendor_info *vend; |
| struct resource *res; |
| resource_size_t *base; |
| #endif |
| unsigned char a, b, c, d; |
| u16 phy_addr = 0; |
| struct vsdb_phyaddr *tx_phy_addr = get_hdmitx_phy_addr(); |
| |
| if (!node || !node->name) { |
| pr_err("%s no devtree node\n", __func__); |
| return -ENOMEM; |
| } |
| |
| cec_dev = devm_kzalloc(&pdev->dev, sizeof(struct ao_cec_dev), |
| GFP_KERNEL); |
| if (IS_ERR(cec_dev)) { |
| dev_err(&pdev->dev, "device malloc err!\n"); |
| ret = -ENOMEM; |
| goto tag_cec_devm_err; |
| } |
| |
| /*will replace by CEC_IOC_SET_DEV_TYPE*/ |
| cec_dev->dev_type = CEC_PLAYBACK_DEVICE_1_ADDR; |
| cec_dev->dbg_dev = &pdev->dev; |
| /* cec_dev->cpu_type = get_cpu_type(); */ |
| cec_dev->node = pdev->dev.of_node; |
| cec_dev->probe_finish = false; |
| phy_addr_test = 0; |
| /*CEC_ERR("%s driver ver:%s\n", __func__, CEC_DRIVER_VERSION);*/ |
| cec_dbg_init(); |
| |
| /* cdev registe */ |
| r = class_register(&aocec_class); |
| if (r) { |
| CEC_ERR("regist class failed\n"); |
| ret = -EINVAL; |
| goto tag_cec_class_reg; |
| } |
| |
| /*get compatible matched device, to get chip related data*/ |
| of_id = of_match_device(aml_cec_dt_match, &pdev->dev); |
| if (of_id) { |
| cec_dev->plat_data = (struct cec_platform_data_s *)of_id->data; |
| dprintk(L_4, "compatible:%s\n", of_id->compatible); |
| dprintk(L_4, "chip_id:%d\n", cec_dev->plat_data->chip_id); |
| dprintk(L_4, "line_reg:%d\n", cec_dev->plat_data->line_reg); |
| dprintk(L_4, "line_bit:%d\n", cec_dev->plat_data->line_bit); |
| dprintk(L_4, "ceca_ver:%d\n", cec_dev->plat_data->ceca_ver); |
| dprintk(L_4, "cecb_ver:%d\n", cec_dev->plat_data->cecb_ver); |
| } else { |
| CEC_ERR("unable to get matched device\n"); |
| } |
| |
| cec_node_val_init(); |
| init_completion(&cec_dev->rx_ok); |
| init_completion(&cec_dev->tx_ok); |
| mutex_init(&cec_dev->cec_tx_mutex); |
| mutex_init(&cec_dev->cec_ioctl_mutex); |
| mutex_init(&cec_dev->cec_uevent_mutex); |
| spin_lock_init(&cec_dev->cec_reg_lock); |
| cec_dev->cec_info.remote_cec_dev = input_allocate_device(); |
| if (!cec_dev->cec_info.remote_cec_dev) { |
| CEC_INFO("No enough memory\n"); |
| ret = -ENOMEM; |
| goto tag_cec_alloc_input_err; |
| } |
| |
| cec_dev->cec_info.remote_cec_dev->name = "cec_input"; |
| |
| cec_dev->cec_info.remote_cec_dev->evbit[0] = BIT_MASK(EV_KEY); |
| cec_dev->cec_info.remote_cec_dev->keybit[BIT_WORD(BTN_0)] = |
| BIT_MASK(BTN_0); |
| cec_dev->cec_info.remote_cec_dev->id.bustype = BUS_ISA; |
| cec_dev->cec_info.remote_cec_dev->id.vendor = 0x1b8e; |
| cec_dev->cec_info.remote_cec_dev->id.product = 0x0cec; |
| cec_dev->cec_info.remote_cec_dev->id.version = 0x0001; |
| set_bit(KEY_POWER, cec_dev->cec_info.remote_cec_dev->keybit); |
| |
| if (input_register_device(cec_dev->cec_info.remote_cec_dev)) { |
| CEC_INFO("Failed to register device\n"); |
| input_free_device(cec_dev->cec_info.remote_cec_dev); |
| } |
| |
| /* config: read from dts */ |
| r = of_property_read_u32(node, "cec_sel", &cec_dev->cec_num); |
| if (r) { |
| CEC_ERR("not find 'cec_sel'\n"); |
| cec_dev->cec_num = ENABLE_ONE_CEC; |
| } |
| |
| /* if using EE CEC */ |
| if (of_property_read_bool(node, "ee_cec")) |
| ee_cec = CEC_B; |
| else |
| ee_cec = CEC_A; |
| CEC_ERR("using cec:%d\n", ee_cec); |
| /* pinmux set */ |
| if (of_get_property(node, "pinctrl-names", NULL)) { |
| pin = devm_pinctrl_get(&pdev->dev); |
| /*get sleep state*/ |
| cec_dev->dbg_dev->pins->sleep_state = |
| pinctrl_lookup_state(pin, "cec_pin_sleep"); |
| if (IS_ERR(cec_dev->dbg_dev->pins->sleep_state)) |
| pr_info("get sleep state error!\n"); |
| /*get active state*/ |
| if (ee_cec == CEC_B) { |
| cec_dev->dbg_dev->pins->default_state = |
| pinctrl_lookup_state(pin, "hdmitx_aocecb"); |
| if (IS_ERR(cec_dev->dbg_dev->pins->default_state)) { |
| pr_info("get aocecb error!\n"); |
| cec_dev->dbg_dev->pins->default_state = |
| pinctrl_lookup_state(pin, "default"); |
| CEC_ERR("use default cec\n"); |
| /*force use default*/ |
| ee_cec = CEC_A; |
| } |
| } else { |
| cec_dev->dbg_dev->pins->default_state = |
| pinctrl_lookup_state(pin, "default"); |
| if (IS_ERR(cec_dev->dbg_dev->pins->default_state)) |
| pr_info("get default error1!\n"); |
| } |
| /*select pin state*/ |
| ret = pinctrl_pm_select_default_state(&pdev->dev); |
| if (ret > 0) |
| pr_info("select state error:0x%x\n", ret); |
| } |
| |
| res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ao_exit"); |
| if (res) { |
| base = devm_ioremap(&pdev->dev, res->start, |
| res->end - res->start); |
| if (!base) { |
| CEC_ERR("Unable to map ao_exit base\n"); |
| goto tag_cec_reg_map_err; |
| } |
| cec_dev->exit_reg = (void *)base; |
| } else { |
| dprintk(L_4, "no ao_exit regs\n"); |
| } |
| |
| res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ao"); |
| if (res) { |
| base = devm_ioremap(&pdev->dev, res->start, |
| res->end - res->start); |
| if (!base) { |
| CEC_ERR("Unable to map ao base\n"); |
| goto tag_cec_reg_map_err; |
| } |
| cec_dev->cec_reg = (void *)base; |
| } else { |
| CEC_ERR("no ao regs\n"); |
| goto tag_cec_reg_map_err; |
| } |
| |
| res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmirx"); |
| if (res) { |
| base = devm_ioremap(&pdev->dev, res->start, |
| res->end - res->start); |
| if (!base) { |
| CEC_ERR("Unable to map hdmirx base\n"); |
| goto tag_cec_reg_map_err; |
| } |
| cec_dev->hdmi_rxreg = (void *)base; |
| } else { |
| dprintk(L_4, "no hdmirx regs\n"); |
| } |
| |
| res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hhi"); |
| if (res) { |
| base = devm_ioremap(&pdev->dev, res->start, |
| res->end - res->start); |
| if (!base) { |
| CEC_ERR("Unable to map hhi base\n"); |
| goto tag_cec_reg_map_err; |
| } |
| cec_dev->hhi_reg = (void *)base; |
| } else { |
| dprintk(L_4, "no hhi regs\n"); |
| } |
| |
| res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "periphs"); |
| if (res) { |
| base = devm_ioremap(&pdev->dev, res->start, |
| res->end - res->start); |
| if (!base) { |
| CEC_ERR("Unable to map periphs base\n"); |
| goto tag_cec_reg_map_err; |
| } |
| cec_dev->periphs_reg = (void *)base; |
| } else { |
| dprintk(L_4, "no periphs regs\n"); |
| } |
| |
| res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "clock"); |
| if (res) { |
| base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); |
| if (!base) { |
| CEC_ERR("Unable to map clock base\n"); |
| goto tag_cec_reg_map_err; |
| } |
| cec_dev->clk_reg = (void *)base; |
| } else { |
| cec_dev->clk_reg = NULL; |
| dprintk(L_4, "no clock regs\n"); |
| } |
| |
| r = of_property_read_u32(node, "port_num", &cec_dev->port_num); |
| if (r) { |
| CEC_ERR("not find 'port_num'\n"); |
| cec_dev->port_num = 1; |
| } |
| r = of_property_read_u32(node, "arc_port_mask", &cec_dev->arc_port); |
| if (r) { |
| CEC_ERR("not find 'arc_port_mask'\n"); |
| cec_dev->arc_port = 0; |
| } |
| r = of_property_read_u32(node, "output", &cec_dev->output); |
| if (r) { |
| CEC_ERR("not find 'output'\n"); |
| cec_dev->output = 0; |
| } |
| vend = &cec_dev->v_data; |
| r = of_property_read_string(node, "vendor_name", |
| (const char **)&vend->vendor_name); |
| if (r) |
| dprintk(L_4, "not find vendor name\n"); |
| |
| r = of_property_read_u32(node, "vendor_id", &vend->vendor_id); |
| if (r) |
| dprintk(L_4, "not find vendor id\n"); |
| cec_dev->cec_info.vendor_id = vend->vendor_id; |
| |
| r = of_property_read_string(node, "product_desc", |
| (const char **)&vend->product_desc); |
| if (r) |
| dprintk(L_4, "not find product desc\n"); |
| |
| r = of_property_read_string(node, "cec_osd_string", |
| (const char **)&vend->cec_osd_string); |
| if (r) { |
| dprintk(L_4, "not find cec osd string\n"); |
| strcpy(vend->cec_osd_string, "AML TV/BOX"); |
| } |
| strncpy(cec_dev->cec_info.osd_name, |
| cec_dev->v_data.cec_osd_string, 14); |
| r = of_property_read_u32(node, "cec_version", |
| &cec_dev->cec_info.cec_version); |
| if (r) { |
| /* default set to 2.0 */ |
| dprintk(L_4, "not find cec_version\n"); |
| cec_dev->cec_info.cec_version = CEC_VERSION_14A; |
| } |
| r = of_property_read_u32(node, "port_seq", &cec_dev->port_seq); |
| if (r) { |
| cec_dev->port_seq = 0xf321; |
| CEC_ERR("not find 'port_seq', use default: 0x%x\n", |
| cec_dev->port_seq); |
| } |
| |
| cec_set_clk(pdev); |
| /* irq set */ |
| cec_irq_enable(false); |
| /* default enable all function*/ |
| cec_config(CEC_FUNC_CFG_ALL, 1); |
| /* for init */ |
| cec_pre_init(); |
| |
| /* cec hw module reset */ |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) { |
| cec_hw_reset(CEC_A); |
| cec_hw_reset(CEC_B); |
| } else { |
| cec_hw_reset(ee_cec); |
| } |
| |
| if (__of_irq_count(node) > 1) { |
| /* need enable two irq */ |
| cec_dev->irq_cecb = of_irq_get(node, 0);/*cecb int*/ |
| cec_dev->irq_ceca = of_irq_get(node, 1);/*ceca int*/ |
| } else { |
| cec_dev->irq_cecb = of_irq_get(node, 0); |
| cec_dev->irq_ceca = cec_dev->irq_cecb; |
| } |
| |
| dprintk(0, "%d irq src, a:%d, b:%d\n", __of_irq_count(node), |
| cec_dev->irq_ceca, cec_dev->irq_cecb); |
| if (of_get_property(node, "interrupt-names", NULL)) { |
| if (of_property_count_strings(node, "interrupt-names") > 1) { |
| r = of_property_read_string_index(node, |
| "interrupt-names", 0, |
| &irq_name_b); |
| r = of_property_read_string_index(node, |
| "interrupt-names", 1, |
| &irq_name_a); |
| } else { |
| r = of_property_read_string_index(node, |
| "interrupt-names", 0, |
| &irq_name_a); |
| irq_name_b = irq_name_a; |
| } |
| |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) { |
| /* request two int source */ |
| CEC_ERR("request_irq two irq src\n"); |
| r = request_irq(cec_dev->irq_ceca, &ceca_isr, |
| IRQF_SHARED | IRQF_NO_SUSPEND, |
| irq_name_a, |
| (void *)cec_dev); |
| if (r < 0) |
| CEC_INFO("aocec irq request fail\n"); |
| |
| r = request_irq(cec_dev->irq_cecb, &cecb_isr, |
| IRQF_SHARED | IRQF_NO_SUSPEND, |
| irq_name_b, |
| (void *)cec_dev); |
| if (r < 0) |
| CEC_INFO("cecb irq request fail\n"); |
| } else { |
| if (!r && ee_cec == CEC_A) { |
| r = request_irq(cec_dev->irq_ceca, &ceca_isr, |
| IRQF_SHARED | IRQF_NO_SUSPEND, |
| irq_name_a, |
| (void *)cec_dev); |
| if (r < 0) |
| CEC_INFO("aocec irq request fail\n"); |
| } |
| |
| if (!r && ee_cec == CEC_B) { |
| r = request_irq(cec_dev->irq_cecb, &cecb_isr, |
| IRQF_SHARED | IRQF_NO_SUSPEND, |
| irq_name_b, |
| (void *)cec_dev); |
| if (r < 0) |
| CEC_INFO("cecb irq request fail\n"); |
| } |
| } |
| } |
| |
| last_cec_msg = devm_kzalloc(&pdev->dev, sizeof(*last_cec_msg), |
| GFP_KERNEL); |
| if (!last_cec_msg) { |
| CEC_ERR("allocate last_cec_msg failed\n"); |
| ret = -ENOMEM; |
| goto tag_cec_msg_alloc_err; |
| } |
| |
| #ifdef CONFIG_HAS_EARLYSUSPEND |
| aocec_suspend_handler.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN - 20; |
| aocec_suspend_handler.suspend = aocec_early_suspend; |
| aocec_suspend_handler.resume = aocec_late_resume; |
| aocec_suspend_handler.param = cec_dev; |
| register_early_suspend(&aocec_suspend_handler); |
| #endif |
| |
| hrtimer_init(&start_bit_check, CLOCK_MONOTONIC, HRTIMER_MODE_REL); |
| start_bit_check.function = cec_line_check; |
| cec_dev->cec_thread = create_workqueue("cec_work"); |
| if (!cec_dev->cec_thread) { |
| CEC_INFO("create work queue failed\n"); |
| ret = -EFAULT; |
| goto tag_cec_threat_err; |
| } |
| /* for hdmitx/rx plug uevent report */ |
| cec_dev->hdmi_plug_wq = alloc_workqueue("cec_hdmi_plug", |
| WQ_HIGHPRI | |
| WQ_CPU_INTENSIVE, 0); |
| if (!cec_dev->hdmi_plug_wq) { |
| CEC_INFO("create hdmi_plug_wq failed\n"); |
| ret = -EFAULT; |
| goto tag_hdmi_plug_wq_err; |
| } |
| INIT_DELAYED_WORK(&cec_dev->work_hdmi_plug, cec_hdmi_plug_handler); |
| /* for cec rx msg uevent report */ |
| cec_dev->cec_rx_event_wq = alloc_workqueue("cec_rx_event", |
| WQ_HIGHPRI | |
| WQ_CPU_INTENSIVE, 0); |
| if (!cec_dev->cec_rx_event_wq) { |
| CEC_INFO("create cec_rx_event_wq failed\n"); |
| ret = -EFAULT; |
| goto tag_cec_rx_event_wq_err; |
| } |
| INIT_DELAYED_WORK(&cec_dev->work_cec_rx, cec_rx_uevent_handler); |
| /* notify cec framework tx done */ |
| INIT_WORK(&std_ao_cec.work_cec_tx, ao_cec_tx_work); |
| #ifdef CEC_FREEZE_WAKE_UP |
| /*freeze wakeup init*/ |
| device_init_wakeup(&pdev->dev, 1); |
| /*CEC_INFO("dev init wakeup\n");*/ |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) { |
| dev_pm_set_wake_irq(&pdev->dev, cec_dev->irq_ceca); |
| dev_pm_set_wake_irq(&pdev->dev, cec_dev->irq_cecb); |
| } else { |
| if (ee_cec == CEC_A) |
| dev_pm_set_wake_irq(&pdev->dev, cec_dev->irq_ceca); |
| else |
| dev_pm_set_wake_irq(&pdev->dev, cec_dev->irq_cecb); |
| } |
| #endif |
| INIT_DELAYED_WORK(&cec_dev->cec_work, cec_task); |
| queue_delayed_work(cec_dev->cec_thread, &cec_dev->cec_work, 0); |
| tasklet_init(&ceca_tasklet, ceca_tasklet_pro, |
| (unsigned long)cec_dev); |
| #if (defined(CONFIG_AMLOGIC_HDMITX) || defined(CONFIG_AMLOGIC_HDMITX21)) |
| hdmitx_event_notifier_regist(&hdmitx_notifier_nb); |
| #endif |
| #ifdef CONFIG_AMLOGIC_MEDIA_TVIN_HDMI |
| register_cec_callback(hdmirx_notify_callback); |
| #endif |
| #ifdef CEC_MAIL_BOX |
| cec_get_wakeup_reason(); |
| cec_dev->msg_idx = 0; |
| cec_dev->msg_num = 0; |
| cec_dev->framework_on = 0; |
| /* shutdown->resme, need to read stick regs to get info */ |
| cec_get_wakeup_data(); |
| /* store and push otp/active source msg from uboot */ |
| if (cec_dev->wakeup_reason == CEC_WAKEUP) { |
| if (cec_dev->cec_wk_otp_msg[0] > 0) |
| cec_store_msg_to_buff(cec_dev->cec_wk_otp_msg[0], |
| &cec_dev->cec_wk_otp_msg[1]); |
| if (cec_dev->cec_wk_as_msg[0] > 0) |
| cec_store_msg_to_buff(cec_dev->cec_wk_as_msg[0], |
| &cec_dev->cec_wk_as_msg[1]); |
| } |
| #endif |
| cec_irq_enable(true); |
| |
| /* Must be 1 <= available_las <= CEC_MAX_LOG_ADDRS. */ |
| /* std_ao_cec is priv data */ |
| std_ao_cec.adap = cec_allocate_adapter(&ao_cec_ops, &std_ao_cec, |
| STD_CEC_NAME, |
| CEC_CAP_DEFAULTS | |
| /* CEC_CAP_CONNECTOR_INFO | */ |
| CEC_CAP_PHYS_ADDR, |
| MAX_LOG_ADDR_CNT); |
| if (IS_ERR(std_ao_cec.adap)) { |
| ret = -EFAULT; |
| pr_info("%s cec_allocate_adapter fail\n", __func__); |
| goto tag_cec_allocate_adapter_fail; |
| } |
| std_ao_cec.adap->owner = THIS_MODULE; |
| |
| /* register the /dev/cecX device node and the remote control device */ |
| ret = cec_register_adapter(std_ao_cec.adap, &pdev->dev); |
| if (ret < 0) { |
| /* if cec_register_adapter() fails, |
| * then call cec_delete_adapter() to clean up |
| */ |
| cec_delete_adapter(std_ao_cec.adap); |
| ret = -EFAULT; |
| pr_info("%s cec_register_adapter fail\n", __func__); |
| goto tag_cec_allocate_adapter_fail; |
| } |
| /* find or create a new cec_notifier for the given device. |
| * if notifier register fail, continue without notifier |
| */ |
| #ifdef CONFIG_CEC_NOTIFIER |
| #ifdef CONFIG_DRM_MESON_HDMI |
| hdmi_tx_dev = cec_notifier_parse_hdmi_phandle(&pdev->dev); |
| if (IS_ERR(hdmi_tx_dev)) { |
| pr_info("%s cec_notifier_parse_hdmi_phandle fail\n", __func__); |
| /* goto register_notifier_fail; */ |
| } else { |
| std_ao_cec.tx_notify = |
| cec_notifier_cec_adap_register(hdmi_tx_dev, |
| "hdmitx", |
| std_ao_cec.adap); |
| if (!std_ao_cec.tx_notify) { |
| pr_info("cec_notifier_cec_adap_register fail\n"); |
| /* goto register_notifier_fail; */ |
| } |
| } |
| #endif |
| #endif |
| if (get_hpd_state() && |
| tx_phy_addr && |
| tx_phy_addr->valid == 1) { |
| a = tx_phy_addr->a; |
| b = tx_phy_addr->b; |
| c = tx_phy_addr->c; |
| d = tx_phy_addr->d; |
| phy_addr = ((a << 12) | (b << 8) | (c << 4) | (d)); |
| cec_s_phys_addr(std_ao_cec.adap, |
| phy_addr, |
| false); |
| } |
| CEC_ERR("%s success end\n", __func__); |
| cec_dev->probe_finish = true; |
| return 0; |
| #ifdef CONFIG_CEC_NOTIFIER |
| #ifdef CONFIG_DRM_MESON_HDMI |
| /* register_notifier_fail: */ |
| /* cec_unregister_adapter(std_ao_cec.adap); */ |
| #endif |
| #endif |
| tag_cec_allocate_adapter_fail: |
| #ifdef CONFIG_AMLOGIC_MEDIA_TVIN_HDMI |
| unregister_cec_callback(); |
| #endif |
| #if (defined(CONFIG_AMLOGIC_HDMITX) || defined(CONFIG_AMLOGIC_HDMITX21)) |
| hdmitx_event_notifier_unregist(&hdmitx_notifier_nb); |
| #endif |
| destroy_workqueue(cec_dev->cec_rx_event_wq); |
| tag_cec_rx_event_wq_err: |
| destroy_workqueue(cec_dev->hdmi_plug_wq); |
| tag_hdmi_plug_wq_err: |
| destroy_workqueue(cec_dev->cec_thread); |
| tag_cec_threat_err: |
| #ifdef CONFIG_HAS_EARLYSUSPEND |
| unregister_early_suspend(&aocec_suspend_handler); |
| #endif |
| tag_cec_msg_alloc_err: |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) { |
| free_irq(cec_dev->irq_ceca, (void *)cec_dev); |
| free_irq(cec_dev->irq_cecb, (void *)cec_dev); |
| } else { |
| if (ee_cec == CEC_B) |
| free_irq(cec_dev->irq_cecb, (void *)cec_dev); |
| else |
| free_irq(cec_dev->irq_ceca, (void *)cec_dev); |
| } |
| tag_cec_reg_map_err: |
| input_free_device(cec_dev->cec_info.remote_cec_dev); |
| class_unregister(&aocec_class); |
| tag_cec_alloc_input_err: |
| tag_cec_class_reg: |
| devm_kfree(&pdev->dev, cec_dev); |
| tag_cec_devm_err: |
| pr_info("%s fail\n", __func__); |
| return ret; |
| } |
| |
| static int aml_aocec_remove(struct platform_device *pdev) |
| { |
| #ifdef CONFIG_CEC_NOTIFIER |
| #ifdef CONFIG_DRM_MESON_HDMI |
| cec_notifier_cec_adap_unregister(std_ao_cec.tx_notify); |
| #endif |
| #endif |
| /* Note: if cec_register_adapter() fails, then call cec_delete_adapter() |
| * to clean up. But if cec_register_adapter() succeeded, then only call |
| * cec_unregister_adapter() to clean up, never cec_delete_adapter(). The |
| * unregister function will delete the adapter automatically once the |
| * last user of that /dev/cecX device has closed its file handle. |
| */ |
| if (std_ao_cec.adap) |
| cec_unregister_adapter(std_ao_cec.adap); |
| CEC_INFO("%s\n", __func__); |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) { |
| free_irq(cec_dev->irq_ceca, (void *)cec_dev); |
| free_irq(cec_dev->irq_cecb, (void *)cec_dev); |
| } else { |
| if (ee_cec == CEC_B) |
| free_irq(cec_dev->irq_cecb, (void *)cec_dev); |
| else |
| free_irq(cec_dev->irq_ceca, (void *)cec_dev); |
| } |
| kfree(last_cec_msg); |
| |
| if (cec_dev->cec_thread) { |
| cancel_delayed_work_sync(&cec_dev->cec_work); |
| destroy_workqueue(cec_dev->cec_thread); |
| } |
| #if (defined(CONFIG_AMLOGIC_HDMITX) || defined(CONFIG_AMLOGIC_HDMITX21)) |
| hdmitx_event_notifier_unregist(&hdmitx_notifier_nb); |
| #endif |
| #ifdef CONFIG_AMLOGIC_MEDIA_TVIN_HDMI |
| unregister_cec_callback(); |
| #endif |
| if (cec_dev->hdmi_plug_wq) { |
| cancel_delayed_work_sync(&cec_dev->work_hdmi_plug); |
| destroy_workqueue(cec_dev->hdmi_plug_wq); |
| } |
| if (cec_dev->cec_rx_event_wq) { |
| cancel_delayed_work_sync(&cec_dev->work_cec_rx); |
| destroy_workqueue(cec_dev->cec_rx_event_wq); |
| } |
| input_unregister_device(cec_dev->cec_info.remote_cec_dev); |
| unregister_chrdev(cec_dev->cec_info.dev_no, CEC_DEV_NAME); |
| class_unregister(&aocec_class); |
| kfree(cec_dev); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM |
| static int aml_cec_pm_prepare(struct device *dev) |
| { |
| unsigned int i, j; |
| |
| if (IS_ERR_OR_NULL(cec_dev)) { |
| pr_info("%s cec_dev is null\n", __func__); |
| return 0; |
| } |
| /*initial msg buffer*/ |
| /* cec_dev->wakeup_st = 0; */ |
| cec_dev->msg_idx = 0; |
| cec_dev->msg_num = 0; |
| for (i = 0; i < CEC_MSG_BUFF_MAX; i++) { |
| cec_dev->msgbuff[i].len = 0; |
| for (j = 0; j < MAX_MSG; j++) |
| cec_dev->msgbuff[i].msg[j] = 0; |
| } |
| //cec_dev->cec_suspend = CEC_DEEP_SUSPEND; |
| /* todo: when to notify uplayer that cec enter suspend */ |
| cec_set_uevent(CEC_PWR_UEVENT, CEC_SUSPEND); |
| CEC_ERR("%s\n", __func__); |
| return 0; |
| } |
| |
| static void aml_cec_pm_complete(struct device *dev) |
| { |
| if (IS_ERR_OR_NULL(cec_dev)) |
| return; |
| |
| /* cec_dev->wakeup_st = 0; */ |
| /* cec_dev->msg_idx = 0; */ |
| #ifdef CEC_MAIL_BOX |
| cec_get_wakeup_reason(); |
| if (cec_dev->wakeup_reason == CEC_WAKEUP) { |
| if (input_event_en != 0) |
| cec_key_report(0); |
| cec_clear_wakeup_reason(); |
| /* todo: when to notify linux/android platform |
| * to read wakeup msg |
| */ |
| if (cec_dev->cec_wk_otp_msg[0] > 0) |
| cec_set_uevent(CEC_PWR_UEVENT, CEC_WAKEUP_OTP); |
| if (cec_dev->cec_wk_as_msg[0] > 0) |
| cec_set_uevent(CEC_PWR_UEVENT, CEC_WAKEUP_AS); |
| } else { |
| cec_set_uevent(CEC_PWR_UEVENT, CEC_WAKEUP_NORMAL); |
| } |
| #endif |
| CEC_ERR("%s\n", __func__); |
| } |
| |
| static int aml_cec_suspend_noirq(struct device *dev) |
| { |
| int ret = 0; |
| /*unsigned int tempaddr;*/ |
| |
| cec_dev->cec_info.power_status = CEC_PW_TRANS_ON_TO_STANDBY; |
| cec_dev->cec_suspend = CEC_PW_TRANS_ON_TO_STANDBY; |
| |
| #ifdef CEC_FREEZE_WAKE_UP |
| if (is_pm_s2idle_mode()) { |
| CEC_ERR("%s:freeze mode\n", __func__); |
| cec_restore_pre_setting(); |
| } else { |
| #endif |
| { |
| if (cec_dev->cec_num > ENABLE_ONE_CEC) |
| cec_clear_all_logical_addr(CEC_B); |
| else |
| cec_clear_all_logical_addr(ee_cec); |
| |
| if (!IS_ERR(cec_dev->dbg_dev->pins->sleep_state)) |
| ret = pinctrl_pm_select_sleep_state(cec_dev->dbg_dev); |
| } |
| #ifdef CEC_FREEZE_WAKE_UP |
| } |
| #endif |
| cec_save_mail_box(); |
| cec_dev->cec_info.power_status = CEC_PW_STANDBY; |
| cec_dev->cec_suspend = CEC_PW_STANDBY; |
| cec_dev->msg_idx = 0; |
| cec_dev->msg_num = 0; |
| cec_dev->framework_on = 0; |
| CEC_INFO("%s\n", __func__); |
| return 0; |
| } |
| |
| static void cec_get_wk_msg(void) |
| { |
| int i = 0; |
| |
| memset(cec_dev->cec_wk_otp_msg, 0, sizeof(cec_dev->cec_wk_otp_msg)); |
| scpi_get_cec_wk_msg(SCPI_CMD_GET_CEC_OTP_MSG, |
| cec_dev->cec_wk_otp_msg); |
| CEC_INFO("cec_wk_otp_msg len: %x\n", cec_dev->cec_wk_otp_msg[0]); |
| for (i = 0; i < cec_dev->cec_wk_otp_msg[0]; i++) |
| CEC_INFO("cec_wk_otp_msg[%d] %02x\n", i, |
| cec_dev->cec_wk_otp_msg[i + 1]); |
| if (cec_dev->cec_wk_otp_msg[2] == CEC_OC_IMAGE_VIEW_ON || |
| cec_dev->cec_wk_otp_msg[2] == CEC_OC_TEXT_VIEW_ON) { |
| cec_dev->wakup_data.wk_phy_addr = 0xffff; |
| cec_dev->wakup_data.wk_logic_addr = |
| (cec_dev->cec_wk_otp_msg[1] >> 4) & 0xf; |
| cec_dev->wakup_data.wk_port_id = 0xff; |
| } |
| |
| memset(cec_dev->cec_wk_as_msg, 0, sizeof(cec_dev->cec_wk_as_msg)); |
| scpi_get_cec_wk_msg(SCPI_CMD_GET_CEC_AS_MSG, |
| cec_dev->cec_wk_as_msg); |
| CEC_INFO("cec_wk_as_msg len: %x\n", cec_dev->cec_wk_as_msg[0]); |
| for (i = 0; i < cec_dev->cec_wk_as_msg[0]; i++) |
| CEC_INFO("cec_wk_as_msg[%d] %02x\n", i, |
| cec_dev->cec_wk_as_msg[i + 1]); |
| if (cec_dev->cec_wk_as_msg[2] == CEC_OC_ACTIVE_SOURCE) { |
| cec_dev->wakup_data.wk_phy_addr = |
| (cec_dev->cec_wk_as_msg[3] << 8) | |
| cec_dev->cec_wk_as_msg[4]; |
| cec_dev->wakup_data.wk_logic_addr = |
| (cec_dev->cec_wk_as_msg[1] >> 4) & 0xf; |
| cec_dev->wakup_data.wk_port_id = |
| cec_get_wk_port_id(cec_dev->wakup_data.wk_phy_addr); |
| } |
| } |
| |
| static int aml_cec_resume_noirq(struct device *dev) |
| { |
| int ret = 0; |
| |
| CEC_ERR("cec resume noirq!\n"); |
| |
| cec_dev->cec_info.power_status = CEC_PW_TRANS_STANDBY_TO_ON; |
| cec_dev->cec_suspend = CEC_PW_TRANS_STANDBY_TO_ON; |
| /*initial msg buffer*/ |
| /* cec_dev->msg_idx = 0; */ |
| /* cec_dev->msg_num = 0; */ |
| |
| #ifdef CEC_FREEZE_WAKE_UP |
| if (is_pm_s2idle_mode()) |
| CEC_ERR("is freeze mode\n"); |
| else |
| #endif |
| { |
| cec_clear_all_logical_addr(ee_cec); |
| cec_get_wakeup_reason(); |
| /* since SC2, it uses uboot2019 |
| * for previous chips, uboot2015, still use stick regs |
| */ |
| if (cec_dev->plat_data->chip_id >= CEC_CHIP_SC2) |
| cec_get_wk_msg(); |
| else |
| cec_get_wakeup_data(); |
| /* disable all logical address */ |
| /*cec_dev->cec_info.addr_enable = 0;*/ |
| } |
| /* store and push otp/active source msg from uboot */ |
| if (cec_dev->wakeup_reason == CEC_WAKEUP) { |
| if (cec_dev->cec_wk_otp_msg[0] > 0) |
| cec_store_msg_to_buff(cec_dev->cec_wk_otp_msg[0], |
| &cec_dev->cec_wk_otp_msg[1]); |
| if (cec_dev->cec_wk_as_msg[0] > 0) |
| cec_store_msg_to_buff(cec_dev->cec_wk_as_msg[0], |
| &cec_dev->cec_wk_as_msg[1]); |
| } |
| cec_pre_init(); |
| if (!IS_ERR(cec_dev->dbg_dev->pins->default_state)) |
| ret = pinctrl_pm_select_default_state(cec_dev->dbg_dev); |
| else |
| CEC_ERR("pinctrl default_state error\n"); |
| cec_irq_enable(true); |
| cec_dev->cec_info.power_status = CEC_PW_POWER_ON; |
| cec_dev->cec_suspend = CEC_PW_POWER_ON; |
| /* cec_dev->wakeup_st = 1; */ |
| return 0; |
| } |
| |
| static const struct dev_pm_ops aml_cec_pm = { |
| .prepare = aml_cec_pm_prepare, |
| .complete = aml_cec_pm_complete, |
| .suspend_noirq = aml_cec_suspend_noirq, |
| .resume_noirq = aml_cec_resume_noirq, |
| }; |
| #endif |
| |
| static void aml_aocec_shutdown(struct platform_device *pdev) |
| { |
| /*CEC_ERR("%s\n", __func__);*/ |
| cec_save_mail_box(); |
| cec_dev->cec_info.power_status = CEC_PW_STANDBY; |
| cec_dev->cec_suspend = CEC_PW_STANDBY; |
| } |
| |
| static struct platform_driver aml_aocec_driver = { |
| .driver = { |
| .name = "ao_cec_drv", |
| .owner = THIS_MODULE, |
| #ifdef CONFIG_PM |
| .pm = &aml_cec_pm, |
| #endif |
| #ifdef CONFIG_OF |
| .of_match_table = aml_cec_dt_match, |
| #endif |
| }, |
| .shutdown = aml_aocec_shutdown, |
| .probe = aml_aocec_probe, |
| .remove = aml_aocec_remove, |
| }; |
| |
| int __init cec_init(void) |
| { |
| int ret; |
| |
| ret = platform_driver_register(&aml_aocec_driver); |
| |
| return ret; |
| } |
| |
| void __exit cec_uninit(void) |
| { |
| platform_driver_unregister(&aml_aocec_driver); |
| } |
| |