root/drivers/gpu/drm/amd/display/dc/gpio/dce120/hw_factory_dce120.c
/*
 * Copyright 2013-15 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
 *
 * Authors: AMD
 *
 */

#include "dm_services.h"
#include "include/gpio_types.h"
#include "../hw_factory.h"

#include "../hw_gpio.h"
#include "../hw_ddc.h"
#include "../hw_hpd.h"
#include "../hw_generic.h"

#include "hw_factory_dce120.h"

#include "dce/dce_12_0_offset.h"
#include "dce/dce_12_0_sh_mask.h"
#include "soc15_hw_ip.h"
#include "vega10_ip_offset.h"

#define block HPD
#define reg_num 0

/* set field name */
#define SF_HPD(reg_name, field_name, post_fix)\
        .field_name = HPD0_ ## reg_name ## __ ## field_name ## post_fix

/* set field name */
#define SF_HPD(reg_name, field_name, post_fix)\
        .field_name = HPD0_ ## reg_name ## __ ## field_name ## post_fix

#define BASE_INNER(seg) \
        DCE_BASE__INST0_SEG ## seg

/* compile time expand base address. */
#define BASE(seg) \
        BASE_INNER(seg)

#define REG(reg_name)\
                BASE(mm ## reg_name ## _BASE_IDX) + mm ## reg_name

#define REGI(reg_name, block, id)\
        BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
                                mm ## block ## id ## _ ## reg_name


#include "reg_helper.h"
#include "../hpd_regs.h"

#define hpd_regs(id) \
{\
        HPD_REG_LIST(id)\
}

static const struct hpd_registers hpd_regs[] = {
        hpd_regs(0),
        hpd_regs(1),
        hpd_regs(2),
        hpd_regs(3),
        hpd_regs(4),
        hpd_regs(5)
};

static const struct hpd_sh_mask hpd_shift = {
                HPD_MASK_SH_LIST(__SHIFT)
};

static const struct hpd_sh_mask hpd_mask = {
                HPD_MASK_SH_LIST(_MASK)
};

#include "../ddc_regs.h"

 /* set field name */
#define SF_DDC(reg_name, field_name, post_fix)\
        .field_name = reg_name ## __ ## field_name ## post_fix

static const struct ddc_registers ddc_data_regs[] = {
        ddc_data_regs(1),
        ddc_data_regs(2),
        ddc_data_regs(3),
        ddc_data_regs(4),
        ddc_data_regs(5),
        ddc_data_regs(6),
        ddc_vga_data_regs,
        ddc_i2c_data_regs
};

static const struct ddc_registers ddc_clk_regs[] = {
        ddc_clk_regs(1),
        ddc_clk_regs(2),
        ddc_clk_regs(3),
        ddc_clk_regs(4),
        ddc_clk_regs(5),
        ddc_clk_regs(6),
        ddc_vga_clk_regs,
        ddc_i2c_clk_regs
};

static const struct ddc_sh_mask ddc_shift = {
                DDC_MASK_SH_LIST(__SHIFT)
};

static const struct ddc_sh_mask ddc_mask = {
                DDC_MASK_SH_LIST(_MASK)
};

static void define_ddc_registers(
                struct hw_gpio_pin *pin,
                uint32_t en)
{
        struct hw_ddc *ddc = HW_DDC_FROM_BASE(pin);

        switch (pin->id) {
        case GPIO_ID_DDC_DATA:
                ddc->regs = &ddc_data_regs[en];
                ddc->base.regs = &ddc_data_regs[en].gpio;
                break;
        case GPIO_ID_DDC_CLOCK:
                ddc->regs = &ddc_clk_regs[en];
                ddc->base.regs = &ddc_clk_regs[en].gpio;
                break;
        default:
                ASSERT_CRITICAL(false);
                return;
        }

        ddc->shifts = &ddc_shift;
        ddc->masks = &ddc_mask;

}

static void define_hpd_registers(struct hw_gpio_pin *pin, uint32_t en)
{
        struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin);

        hpd->regs = &hpd_regs[en];
        hpd->shifts = &hpd_shift;
        hpd->masks = &hpd_mask;
        hpd->base.regs = &hpd_regs[en].gpio;
}


/* function table */
static const struct hw_factory_funcs funcs = {
        .init_ddc_data = dal_hw_ddc_init,
        .init_generic = NULL,
        .init_hpd = dal_hw_hpd_init,
        .get_ddc_pin = dal_hw_ddc_get_pin,
        .get_hpd_pin = dal_hw_hpd_get_pin,
        .get_generic_pin = NULL,
        .define_hpd_registers = define_hpd_registers,
        .define_ddc_registers = define_ddc_registers
};
/*
 * dal_hw_factory_dce120_init
 *
 * @brief
 * Initialize HW factory function pointers and pin info
 *
 * @param
 * struct hw_factory *factory - [out] struct of function pointers
 */
void dal_hw_factory_dce120_init(struct hw_factory *factory)
{
        /*TODO check ASIC CAPs*/
        factory->number_of_pins[GPIO_ID_DDC_DATA] = 8;
        factory->number_of_pins[GPIO_ID_DDC_CLOCK] = 8;
        factory->number_of_pins[GPIO_ID_GENERIC] = 7;
        factory->number_of_pins[GPIO_ID_HPD] = 6;
        factory->number_of_pins[GPIO_ID_GPIO_PAD] = 31;
        factory->number_of_pins[GPIO_ID_VIP_PAD] = 0;
        factory->number_of_pins[GPIO_ID_SYNC] = 2;
        factory->number_of_pins[GPIO_ID_GSL] = 4;

        factory->funcs = &funcs;
}