519 lines
14 KiB
C
519 lines
14 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2016-2017 Cadence Design Systems, Inc.
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* All rights reserved worldwide.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Copyright 2017-2018 NXP
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*
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******************************************************************************
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*
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* API_General.c
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*
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******************************************************************************
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*/
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#include "API_General.h"
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#include "address.h"
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#include "apb_cfg.h"
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#include "opcodes.h"
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#include "general_handler.h"
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#include "util.h"
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CDN_API_STATUS CDN_API_LoadFirmware(state_struct *state, u8 *iMem,
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int imemSize, u8 *dMem, int dmemSize)
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{
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int i;
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for (i = 0; i < imemSize; i += 4)
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if (cdn_apb_write(state, ADDR_IMEM + i,
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(u32) iMem[i] << 0 |
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(u32) iMem[i + 1] << 8 |
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(u32) iMem[i + 2] << 16 |
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(u32) iMem[i + 3] << 24))
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return CDN_ERR;
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for (i = 0; i < dmemSize; i += 4)
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if (cdn_apb_write(state, ADDR_DMEM + i,
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(u32) dMem[i] << 0 |
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(u32) dMem[i + 1] << 8 |
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(u32) dMem[i + 2] << 16 |
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(u32) dMem[i + 3] << 24))
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return CDN_ERR;
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return CDN_OK;
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}
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CDN_API_STATUS CDN_API_General_Test_Echo(state_struct *state, u32 val,
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CDN_BUS_TYPE bus_type)
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{
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CDN_API_STATUS ret;
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if (!state->running) {
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if (!internal_apb_available(state))
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return CDN_BSY;
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state->bus_type = bus_type;
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state->rxEnable = 1;
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internal_tx_mkfullmsg(state, MB_MODULE_ID_GENERAL,
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GENERAL_TEST_ECHO, 1, 4, val);
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return CDN_STARTED;
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}
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if (state->txEnable && !internal_mbox_tx_process(state).txend)
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return CDN_BSY;
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if (state->rxEnable && !internal_mbox_rx_process(state).rxend)
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return CDN_BSY;
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ret = internal_test_rx_head(state, MB_MODULE_ID_GENERAL,
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GENERAL_TEST_ECHO);
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if (ret != CDN_OK) {
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state->running = 0;
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return ret;
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}
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state->running = 0;
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if (val != internal_betoi(state->rxBuffer + INTERNAL_CMD_HEAD_SIZE, 4))
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return CDN_ERR;
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return CDN_OK;
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}
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CDN_API_STATUS CDN_API_General_Test_Echo_blocking(state_struct *state, u32 val,
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CDN_BUS_TYPE bus_type)
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{
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internal_block_function(&state->mutex, CDN_API_General_Test_Echo
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(state, val, bus_type));
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}
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CDN_API_STATUS CDN_API_General_Test_Echo_Ext(state_struct *state,
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u8 const *msg, u8 *resp,
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u16 num_bytes,
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CDN_BUS_TYPE bus_type)
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{
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CDN_API_STATUS ret;
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if (!msg || !resp) {
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return CDN_ERR;
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}
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if ((num_bytes > GENERAL_TEST_ECHO_MAX_PAYLOAD)
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|| (num_bytes < GENERAL_TEST_ECHO_MIN_PAYLOAD)) {
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return CDN_ERR;
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}
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if (!state->running) {
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if (!internal_apb_available(state)) {
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return CDN_BSY;
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}
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state->bus_type = bus_type;
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state->rxEnable = 1;
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internal_tx_mkfullmsg(state, MB_MODULE_ID_GENERAL,
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GENERAL_TEST_ECHO, 1, -num_bytes, msg);
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return CDN_STARTED;
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}
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if (state->txEnable && !internal_mbox_tx_process(state).txend) {
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return CDN_BSY;
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}
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if (state->rxEnable && !internal_mbox_rx_process(state).rxend) {
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return CDN_BSY;
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}
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ret =
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internal_test_rx_head(state, MB_MODULE_ID_GENERAL,
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GENERAL_TEST_ECHO);
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if (ret != CDN_OK) {
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state->running = 0;
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return ret;
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}
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state->running = 0;
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memcpy(resp, state->rxBuffer + INTERNAL_CMD_HEAD_SIZE, num_bytes);
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if (memcmp(msg, resp, num_bytes) != 0) {
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return CDN_ERR;
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}
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return CDN_OK;
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}
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CDN_API_STATUS CDN_API_General_Test_Echo_Ext_blocking(state_struct *state,
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u8 const *msg, u8 *resp,
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u16 num_bytes,
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CDN_BUS_TYPE bus_type)
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{
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internal_block_function(&state->mutex, CDN_API_General_Test_Echo_Ext
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(state, msg, resp, num_bytes, bus_type));
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}
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CDN_API_STATUS CDN_API_General_getCurVersion(state_struct *state, u16 *ver,
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u16 *verlib)
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{
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u32 vh, vl, vlh, vll;
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if (cdn_apb_read(state, VER_L << 2, &vl))
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return CDN_ERR;
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if (cdn_apb_read(state, VER_H << 2, &vh))
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return CDN_ERR;
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if (cdn_apb_read(state, VER_LIB_L_ADDR << 2, &vll))
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return CDN_ERR;
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if (cdn_apb_read(state, VER_LIB_H_ADDR << 2, &vlh))
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return CDN_ERR;
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*ver = F_VER_MSB_RD(vh) << 8 | F_VER_LSB_RD(vl);
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*verlib = F_SW_LIB_VER_H_RD(vlh) << 8 | F_SW_LIB_VER_L_RD(vll);
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return CDN_OK;
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}
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CDN_API_STATUS CDN_API_Get_Event(state_struct *state, u32 *events)
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{
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u32 evt[4] = { 0 };
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if (!events) {
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return CDN_ERR;
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}
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if (cdn_apb_read(state, SW_EVENTS0 << 2, &evt[0])
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|| cdn_apb_read(state, SW_EVENTS1 << 2, &evt[1])
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|| cdn_apb_read(state, SW_EVENTS2 << 2, &evt[2])
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|| cdn_apb_read(state, SW_EVENTS3 << 2, &evt[3])) {
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printk("Failed to read events registers.\n");
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return CDN_ERR;
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}
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*events = (evt[0] & 0xFF)
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| ((evt[1] & 0xFF) << 8)
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| ((evt[2] & 0xFF) << 16)
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| ((evt[3] & 0xFF) << 24);
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return CDN_OK;
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}
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CDN_API_STATUS CDN_API_Get_Debug_Reg_Val(state_struct *state, u16 *val)
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{
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u32 dbg[2] = { 0 };
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if (!val) {
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printk("val pointer is NULL!\n");
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return CDN_ERR;
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}
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if (cdn_apb_read(state, SW_DEBUG_L << 2, &dbg[0])
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|| cdn_apb_read(state, SW_DEBUG_H << 2, &dbg[1])) {
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printk("Failed to read debug registers.\n");
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return CDN_ERR;
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}
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*val = (u16) ((dbg[0] & 0xFF) | ((dbg[1] & 0xFF) << 8));
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return CDN_OK;
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}
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CDN_API_STATUS CDN_API_CheckAlive(state_struct *state)
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{
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u32 alive, newalive;
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u8 retries_left = 10;
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if (cdn_apb_read(state, KEEP_ALIVE << 2, &alive))
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return CDN_ERR;
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while (retries_left--) {
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udelay(1);
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if (cdn_apb_read(state, KEEP_ALIVE << 2, &newalive))
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return CDN_ERR;
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if (alive == newalive)
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continue;
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return CDN_OK;
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}
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return CDN_BSY;
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}
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CDN_API_STATUS CDN_API_CheckAlive_blocking(state_struct *state)
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{
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internal_block_function(&state->mutex, CDN_API_CheckAlive(state));
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}
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CDN_API_STATUS CDN_API_MainControl(state_struct *state, u8 mode, u8 *resp)
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{
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if (!state->running) {
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if (!internal_apb_available(state))
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return CDN_BSY;
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state->bus_type = CDN_BUS_TYPE_APB;
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state->rxEnable = 1;
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internal_tx_mkfullmsg(state, MB_MODULE_ID_GENERAL,
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GENERAL_MAIN_CONTROL, 1, 1, mode);
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return CDN_STARTED;
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}
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internal_process_messages(state);
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internal_opcode_ok_or_return(state, MB_MODULE_ID_GENERAL,
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GENERAL_MAIN_CONTROL_RESP);
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internal_readmsg(state, 1, 1, resp);
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return CDN_OK;
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}
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CDN_API_STATUS CDN_API_MainControl_blocking(state_struct *state, u8 mode,
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u8 *resp)
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{
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internal_block_function(&state->mutex, CDN_API_MainControl(state, mode, resp));
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}
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CDN_API_STATUS CDN_API_ApbConf(state_struct *state, u8 dpcd_bus_sel,
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u8 dpcd_bus_lock, u8 hdcp_bus_sel,
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u8 hdcp_bus_lock, u8 capb_bus_sel,
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u8 capb_bus_lock, u8 *dpcd_resp, u8 *hdcp_resp,
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u8 *capb_resp)
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{
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u8 resp;
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u8 set = 0;
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if (!state->running) {
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if (!internal_apb_available(state)) {
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return CDN_BSY;
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}
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state->bus_type = CDN_BUS_TYPE_APB;
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state->rxEnable = 1;
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set |= (dpcd_bus_sel)
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? (1 << GENERAL_BUS_SETTINGS_DPCD_BUS_BIT)
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: 0;
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set |= (dpcd_bus_lock)
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? (1 << GENERAL_BUS_SETTINGS_DPCD_BUS_LOCK_BIT)
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: 0;
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set |= (hdcp_bus_sel)
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? (1 << GENERAL_BUS_SETTINGS_HDCP_BUS_BIT)
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: 0;
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set |= (hdcp_bus_lock)
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? (1 << GENERAL_BUS_SETTINGS_HDCP_BUS_LOCK_BIT)
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: 0;
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set |= (capb_bus_sel)
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? (1 << GENERAL_BUS_SETTINGS_CAPB_OWNER_BIT)
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: 0;
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set |= (capb_bus_lock)
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? (1 << GENERAL_BUS_SETTINGS_CAPB_OWNER_LOCK_BIT)
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: 0;
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internal_tx_mkfullmsg(state, MB_MODULE_ID_GENERAL,
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GENERAL_BUS_SETTINGS, 1, 1, set);
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return CDN_STARTED;
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}
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internal_process_messages(state);
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internal_opcode_ok_or_return(state, MB_MODULE_ID_GENERAL,
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GENERAL_BUS_SETTINGS_RESP);
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/* Read one one-byte response */
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internal_readmsg(state, 1, 1, &resp);
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*dpcd_resp =
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(resp & (1 << GENERAL_BUS_SETTINGS_RESP_DPCD_BUS_BIT)) ? 1 : 0;
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*hdcp_resp =
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(resp & (1 << GENERAL_BUS_SETTINGS_RESP_HDCP_BUS_BIT)) ? 1 : 0;
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*capb_resp =
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(resp & (1 << GENERAL_BUS_SETTINGS_RESP_CAPB_OWNER_BIT)) ? 1 : 0;
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return CDN_OK;
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}
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CDN_API_STATUS CDN_API_ApbConf_blocking(state_struct *state, u8 dpcd_bus_sel,
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u8 dpcd_bus_lock,
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u8 hdcp_bus_sel,
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u8 hdcp_bus_lock,
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u8 capb_bus_sel,
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u8 capb_bus_lock,
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u8 *dpcd_resp,
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u8 *hdcp_resp, u8 *capb_resp)
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{
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internal_block_function(&state->mutex, CDN_API_ApbConf
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(state, dpcd_bus_sel, dpcd_bus_lock,
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hdcp_bus_sel, hdcp_bus_lock, capb_bus_sel,
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capb_bus_lock, dpcd_resp, hdcp_resp,
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capb_resp));
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}
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CDN_API_STATUS CDN_API_SetClock(state_struct *state, u8 MHz)
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{
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return cdn_apb_write(state, SW_CLK_H << 2, MHz);
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}
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CDN_API_STATUS CDN_API_GetClock(state_struct *state, u32 *MHz)
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{
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return cdn_apb_read(state, SW_CLK_H << 2, MHz);
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}
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CDN_API_STATUS CDN_API_General_Read_Register(state_struct *state, u32 addr,
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GENERAL_Read_Register_response *resp)
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{
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CDN_API_STATUS ret;
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if (!state->running) {
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if (!internal_apb_available(state))
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return CDN_BSY;
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internal_tx_mkfullmsg(state, MB_MODULE_ID_GENERAL,
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GENERAL_READ_REGISTER, 1, 4, addr);
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state->bus_type = CDN_BUS_TYPE_APB;
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state->rxEnable = 1;
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return CDN_STARTED;
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}
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internal_process_messages(state);
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ret = internal_test_rx_head(state, MB_MODULE_ID_GENERAL,
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GENERAL_READ_REGISTER_RESP);
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if (ret != CDN_OK)
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return ret;
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internal_readmsg(state, 2, 4, &resp->addr, 4, &resp->val);
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return CDN_OK;
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}
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CDN_API_STATUS CDN_API_General_Read_Register_blocking(state_struct *state,
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u32 addr, GENERAL_Read_Register_response *resp)
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{
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internal_block_function(&state->mutex, CDN_API_General_Read_Register
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(state, addr, resp));
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}
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CDN_API_STATUS CDN_API_General_Write_Register(state_struct *state, u32 addr,
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u32 val)
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{
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if (!state->running) {
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if (!internal_apb_available(state))
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return CDN_BSY;
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internal_tx_mkfullmsg(state, MB_MODULE_ID_GENERAL,
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GENERAL_WRITE_REGISTER, 2, 4, addr, 4,
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val);
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state->bus_type = CDN_BUS_TYPE_APB;
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return CDN_STARTED;
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}
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internal_process_messages(state);
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return CDN_OK;
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}
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CDN_API_STATUS CDN_API_General_Write_Register_blocking(state_struct *state,
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u32 addr, u32 val)
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{
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internal_block_function(&state->mutex, CDN_API_General_Write_Register
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(state, addr, val));
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}
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CDN_API_STATUS CDN_API_General_Write_Field(state_struct *state, u32 addr,
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u8 startBit, u8 bitsNo, u32 val)
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{
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if (!state->running) {
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if (!internal_apb_available(state))
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return CDN_BSY;
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internal_tx_mkfullmsg(state, MB_MODULE_ID_GENERAL,
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GENERAL_WRITE_FIELD, 4, 4, addr, 1,
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startBit, 1, bitsNo, 4, val);
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state->bus_type = CDN_BUS_TYPE_APB;
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return CDN_STARTED;
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}
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internal_process_messages(state);
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return CDN_OK;
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}
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CDN_API_STATUS CDN_API_General_Write_Field_blocking(state_struct *state,
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u32 addr, u8 startBit,
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u8 bitsNo, u32 val)
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{
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internal_block_function(&state->mutex, CDN_API_General_Write_Field
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(state, addr, startBit, bitsNo, val));
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}
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CDN_API_STATUS CDN_API_General_Phy_Test_Access(state_struct *state, u8 *resp)
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{
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CDN_API_STATUS ret;
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*resp = 0;
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if (!state->running) {
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if (!internal_apb_available(state))
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return CDN_BSY;
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internal_tx_mkfullmsg(state, MB_MODULE_ID_GENERAL,
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GENERAL_TEST_ACCESS, 0);
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state->bus_type = CDN_BUS_TYPE_APB;
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state->rxEnable = 1;
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return CDN_STARTED;
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}
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internal_process_messages(state);
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ret =
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internal_test_rx_head(state, MB_MODULE_ID_GENERAL,
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GENERAL_TEST_ACCESS);
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if (ret != CDN_OK)
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return ret;
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internal_readmsg(state, 1, 1, resp);
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return CDN_OK;
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}
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CDN_API_STATUS CDN_API_General_Phy_Test_Access_blocking(state_struct *state,
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u8 *resp)
|
|
{
|
|
internal_block_function(&state->mutex, CDN_API_General_Phy_Test_Access(state, resp));
|
|
}
|
|
|
|
CDN_API_STATUS CDN_API_General_GetHpdState(state_struct *state, u8 *hpd_state)
|
|
{
|
|
CDN_API_STATUS ret;
|
|
*hpd_state = 0;
|
|
|
|
if (!state->running) {
|
|
if (!internal_apb_available(state))
|
|
return CDN_BSY;
|
|
internal_tx_mkfullmsg(state, MB_MODULE_ID_GENERAL, GENERAL_GET_HPD_STATE, 0);
|
|
state->bus_type = CDN_BUS_TYPE_APB;
|
|
state->rxEnable = 1;
|
|
return CDN_STARTED;
|
|
}
|
|
|
|
internal_process_messages(state);
|
|
ret = internal_test_rx_head(state, MB_MODULE_ID_GENERAL, GENERAL_GET_HPD_STATE);
|
|
if (ret != CDN_OK)
|
|
return ret;
|
|
|
|
internal_readmsg(state, 1, 1, hpd_state);
|
|
|
|
return CDN_OK;
|
|
}
|
|
|
|
CDN_API_STATUS CDN_API_General_GetHpdState_blocking(state_struct *state, u8 *hpd_state)
|
|
{
|
|
internal_block_function(&state->mutex, CDN_API_General_GetHpdState(state, hpd_state));
|
|
}
|