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/* SPDX-License-Identifier: MIT */
/*
* Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.
* All Rights Reserved.
*
* 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
#include <linux/gpio/machine.h>
#include "amdgpu.h"
#include "isp_v4_1_1.h"
static const unsigned int isp_4_1_1_int_srcid[MAX_ISP411_INT_SRC] = {
ISP_4_1__SRCID__ISP_RINGBUFFER_WPT9,
ISP_4_1__SRCID__ISP_RINGBUFFER_WPT10,
ISP_4_1__SRCID__ISP_RINGBUFFER_WPT11,
ISP_4_1__SRCID__ISP_RINGBUFFER_WPT12,
ISP_4_1__SRCID__ISP_RINGBUFFER_WPT13,
ISP_4_1__SRCID__ISP_RINGBUFFER_WPT14,
ISP_4_1__SRCID__ISP_RINGBUFFER_WPT15,
ISP_4_1__SRCID__ISP_RINGBUFFER_WPT16
};
static struct gpiod_lookup_table isp_gpio_table = {
.dev_id = "amd_isp_capture",
.table = {
GPIO_LOOKUP("AMDI0030:00", 85, "enable_isp", GPIO_ACTIVE_HIGH),
{ }
},
};
static struct gpiod_lookup_table isp_sensor_gpio_table = {
.dev_id = "i2c-ov05c10",
.table = {
GPIO_LOOKUP("amdisp-pinctrl", 0, "enable", GPIO_ACTIVE_HIGH),
{ }
},
};
static int isp_v4_1_1_hw_init(struct amdgpu_isp *isp)
{
struct amdgpu_device *adev = isp->adev;
int idx, int_idx, num_res, r;
u8 isp_dev_hid[ACPI_ID_LEN];
u64 isp_base;
if (adev->rmmio_size == 0 || adev->rmmio_size < 0x5289)
return -EINVAL;
r = amdgpu_acpi_get_isp4_dev_hid(&isp_dev_hid);
if (r) {
drm_dbg(&adev->ddev, "Invalid isp platform detected (%d)", r);
/* allow GPU init to progress */
return 0;
}
/* add GPIO resources required for OMNI5C10 sensor */
if (!strcmp("OMNI5C10", isp_dev_hid)) {
gpiod_add_lookup_table(&isp_gpio_table);
gpiod_add_lookup_table(&isp_sensor_gpio_table);
}
isp_base = adev->rmmio_base;
isp->isp_cell = kcalloc(3, sizeof(struct mfd_cell), GFP_KERNEL);
if (!isp->isp_cell) {
r = -ENOMEM;
drm_err(&adev->ddev,
"%s: isp mfd cell alloc failed\n", __func__);
goto failure;
}
num_res = MAX_ISP411_MEM_RES + MAX_ISP411_INT_SRC;
isp->isp_res = kcalloc(num_res, sizeof(struct resource),
GFP_KERNEL);
if (!isp->isp_res) {
r = -ENOMEM;
drm_err(&adev->ddev,
"%s: isp mfd res alloc failed\n", __func__);
goto failure;
}
isp->isp_pdata = kzalloc(sizeof(*isp->isp_pdata), GFP_KERNEL);
if (!isp->isp_pdata) {
r = -ENOMEM;
drm_err(&adev->ddev,
"%s: isp platform data alloc failed\n", __func__);
goto failure;
}
/* initialize isp platform data */
isp->isp_pdata->adev = (void *)adev;
isp->isp_pdata->asic_type = adev->asic_type;
isp->isp_pdata->base_rmmio_size = adev->rmmio_size;
isp->isp_res[0].name = "isp_4_1_1_reg";
isp->isp_res[0].flags = IORESOURCE_MEM;
isp->isp_res[0].start = isp_base;
isp->isp_res[0].end = isp_base + ISP_REGS_OFFSET_END;
isp->isp_res[1].name = "isp_4_1_1_phy0_reg";
isp->isp_res[1].flags = IORESOURCE_MEM;
isp->isp_res[1].start = isp_base + ISP411_PHY0_OFFSET;
isp->isp_res[1].end = isp_base + ISP411_PHY0_OFFSET + ISP411_PHY0_SIZE;
for (idx = MAX_ISP411_MEM_RES, int_idx = 0; idx < num_res; idx++, int_idx++) {
isp->isp_res[idx].name = "isp_4_1_1_irq";
isp->isp_res[idx].flags = IORESOURCE_IRQ;
isp->isp_res[idx].start =
amdgpu_irq_create_mapping(adev, isp_4_1_1_int_srcid[int_idx]);
isp->isp_res[idx].end =
isp->isp_res[idx].start;
}
isp->isp_cell[0].name = "amd_isp_capture";
isp->isp_cell[0].num_resources = num_res;
isp->isp_cell[0].resources = &isp->isp_res[0];
isp->isp_cell[0].platform_data = isp->isp_pdata;
isp->isp_cell[0].pdata_size = sizeof(struct isp_platform_data);
/* initialize isp i2c platform data */
isp->isp_i2c_res = kcalloc(1, sizeof(struct resource), GFP_KERNEL);
if (!isp->isp_i2c_res) {
r = -ENOMEM;
drm_err(&adev->ddev,
"%s: isp mfd res alloc failed\n", __func__);
goto failure;
}
isp->isp_i2c_res[0].name = "isp_i2c0_reg";
isp->isp_i2c_res[0].flags = IORESOURCE_MEM;
isp->isp_i2c_res[0].start = isp_base + ISP411_I2C0_OFFSET;
isp->isp_i2c_res[0].end = isp_base + ISP411_I2C0_OFFSET + ISP411_I2C0_SIZE;
isp->isp_cell[1].name = "amd_isp_i2c_designware";
isp->isp_cell[1].num_resources = 1;
isp->isp_cell[1].resources = &isp->isp_i2c_res[0];
isp->isp_cell[1].platform_data = isp->isp_pdata;
isp->isp_cell[1].pdata_size = sizeof(struct isp_platform_data);
/* initialize isp gpiochip platform data */
isp->isp_gpio_res = kcalloc(1, sizeof(struct resource), GFP_KERNEL);
if (!isp->isp_gpio_res) {
r = -ENOMEM;
drm_err(&adev->ddev,
"%s: isp gpio res alloc failed\n", __func__);
goto failure;
}
isp->isp_gpio_res[0].name = "isp_gpio_reg";
isp->isp_gpio_res[0].flags = IORESOURCE_MEM;
isp->isp_gpio_res[0].start = isp_base + ISP411_GPIO_SENSOR_OFFSET;
isp->isp_gpio_res[0].end = isp_base + ISP411_GPIO_SENSOR_OFFSET +
ISP411_GPIO_SENSOR_SIZE;
isp->isp_cell[2].name = "amdisp-pinctrl";
isp->isp_cell[2].num_resources = 1;
isp->isp_cell[2].resources = &isp->isp_gpio_res[0];
isp->isp_cell[2].platform_data = isp->isp_pdata;
isp->isp_cell[2].pdata_size = sizeof(struct isp_platform_data);
r = mfd_add_hotplug_devices(isp->parent, isp->isp_cell, 3);
if (r) {
drm_err(&adev->ddev,
"%s: add mfd hotplug device failed\n", __func__);
goto failure;
}
return 0;
failure:
kfree(isp->isp_pdata);
kfree(isp->isp_res);
kfree(isp->isp_cell);
kfree(isp->isp_i2c_res);
kfree(isp->isp_gpio_res);
return r;
}
static int isp_v4_1_1_hw_fini(struct amdgpu_isp *isp)
{
mfd_remove_devices(isp->parent);
kfree(isp->isp_res);
kfree(isp->isp_cell);
kfree(isp->isp_pdata);
kfree(isp->isp_i2c_res);
kfree(isp->isp_gpio_res);
return 0;
}
static const struct isp_funcs isp_v4_1_1_funcs = {
.hw_init = isp_v4_1_1_hw_init,
.hw_fini = isp_v4_1_1_hw_fini,
};
void isp_v4_1_1_set_isp_funcs(struct amdgpu_isp *isp)
{
isp->funcs = &isp_v4_1_1_funcs;
}
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