diff options
Diffstat (limited to 'drivers/video/nxp/hdp/API_AFE.h')
| -rw-r--r-- | drivers/video/nxp/hdp/API_AFE.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/video/nxp/hdp/API_AFE.h b/drivers/video/nxp/hdp/API_AFE.h new file mode 100644 index 0000000000..2ebdfb3226 --- /dev/null +++ b/drivers/video/nxp/hdp/API_AFE.h @@ -0,0 +1,99 @@ +/****************************************************************************** + * + * Copyright (C) 2016-2017 Cadence Design Systems, Inc. + * All rights reserved worldwide. + * + * Copyright 2017-2018 NXP + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. THE SOFTWARE IS PROVIDED "AS IS", + * WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED + * TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE + * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE + * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + ****************************************************************************** + * + * API_AFE.h + * + ****************************************************************************** + */ + +#ifndef API_AFE_H_ +#define API_AFE_H_ +#include "util.h" + +typedef enum { + AFE_LINK_RATE_1_6 = 0x6, /* 1.62 Gb/s */ + AFE_LINK_RATE_2_1 = 0x8, /* 2.16 Gb/s */ + AFE_LINK_RATE_2_4 = 0x9, /* 2.43 Gb/s */ + AFE_LINK_RATE_2_7 = 0xA, /* 2.70 Gb/s */ + AFE_LINK_RATE_3_2 = 0xC, /* 3.24 Gb/s */ + AFE_LINK_RATE_4_3 = 0x10, /* 4.32 Gb/s */ + AFE_LINK_RATE_5_4 = 0x14, /* 5.40 Gb/s */ + AFE_LINK_RATE_8_1 = 0x1E, /* 8.10 Gb/s */ +} ENUM_AFE_LINK_RATE; + +/* Some of the PHY programming sequences */ +/* depend on the reference clock frequency. */ +/* Variable of this type is used to control */ +/* the programming flow. */ +typedef enum { + REFCLK_24MHZ, + REFCLK_27MHZ +} REFCLK_FREQ; + +typedef enum { + CLK_RATIO_1_1, + CLK_RATIO_5_4, + CLK_RATIO_3_2, + CLK_RATIO_2_1, + CLK_RATIO_1_2, + CLK_RATIO_5_8, + CLK_RATIO_3_4 +} clk_ratio_t; + +typedef struct { + u32 value; + u8 lsb; + u8 msb; +} reg_field_t; + +unsigned char AFE_check_rate_supported(ENUM_AFE_LINK_RATE rate); +void afe_write(unsigned int offset, unsigned short val); +unsigned short afe_read(unsigned int offset); +void AFE_init(int num_lanes, ENUM_AFE_LINK_RATE link_rate); +void AFE_power(int num_lanes, ENUM_AFE_LINK_RATE link_rate); + +/*extern int cdn_phapb_read(unsigned int addr, unsigned int *value);*/ +/*extern int cdn_phapb_write(unsigned int addr, unsigned int value);*/ +void set_field_value(reg_field_t *reg_field, u32 value); +int set_reg_value(reg_field_t reg_field); + +#endif + |