1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
18 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20 * USE OR OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
24 * of the Software.
25 *
26 */
27
28#include "amdgpu.h"
29#include "isp_v4_1_0.h"
30
31static const unsigned int isp_4_1_0_int_srcid[MAX_ISP410_INT_SRC] = {
32 ISP_4_1__SRCID__ISP_RINGBUFFER_WPT9,
33 ISP_4_1__SRCID__ISP_RINGBUFFER_WPT10,
34 ISP_4_1__SRCID__ISP_RINGBUFFER_WPT11,
35 ISP_4_1__SRCID__ISP_RINGBUFFER_WPT12,
36 ISP_4_1__SRCID__ISP_RINGBUFFER_WPT13,
37 ISP_4_1__SRCID__ISP_RINGBUFFER_WPT14,
38 ISP_4_1__SRCID__ISP_RINGBUFFER_WPT15,
39 ISP_4_1__SRCID__ISP_RINGBUFFER_WPT16
40};
41
42static int isp_v4_1_0_hw_init(struct amdgpu_isp *isp)
43{
44 struct amdgpu_device *adev = isp->adev;
45 int idx, int_idx, num_res, r;
46 u64 isp_base;
47
48 if (adev->rmmio_size == 0 || adev->rmmio_size < 0x5289)
49 return -EINVAL;
50
51 isp_base = adev->rmmio_base;
52
53 isp->isp_cell = kcalloc(3, sizeof(struct mfd_cell), GFP_KERNEL);
54 if (!isp->isp_cell) {
55 r = -ENOMEM;
56 drm_err(&adev->ddev,
57 "%s: isp mfd cell alloc failed\n", __func__);
58 goto failure;
59 }
60
61 num_res = MAX_ISP410_MEM_RES + MAX_ISP410_INT_SRC;
62 isp->isp_res = kcalloc(num_res, sizeof(struct resource),
63 GFP_KERNEL);
64 if (!isp->isp_res) {
65 r = -ENOMEM;
66 drm_err(&adev->ddev,
67 "%s: isp mfd res alloc failed\n", __func__);
68 goto failure;
69 }
70
71 isp->isp_pdata = kzalloc(sizeof(*isp->isp_pdata), GFP_KERNEL);
72 if (!isp->isp_pdata) {
73 r = -ENOMEM;
74 drm_err(&adev->ddev,
75 "%s: isp platform data alloc failed\n", __func__);
76 goto failure;
77 }
78
79 /* initialize isp platform data */
80 isp->isp_pdata->adev = (void *)adev;
81 isp->isp_pdata->asic_type = adev->asic_type;
82 isp->isp_pdata->base_rmmio_size = adev->rmmio_size;
83
84 isp->isp_res[0].name = "isp_4_1_0_reg";
85 isp->isp_res[0].flags = IORESOURCE_MEM;
86 isp->isp_res[0].start = isp_base;
87 isp->isp_res[0].end = isp_base + ISP_REGS_OFFSET_END;
88
89 isp->isp_res[1].name = "isp_4_1_phy0_reg";
90 isp->isp_res[1].flags = IORESOURCE_MEM;
91 isp->isp_res[1].start = isp_base + ISP410_PHY0_OFFSET;
92 isp->isp_res[1].end = isp_base + ISP410_PHY0_OFFSET + ISP410_PHY0_SIZE;
93
94 for (idx = MAX_ISP410_MEM_RES, int_idx = 0; idx < num_res; idx++, int_idx++) {
95 isp->isp_res[idx].name = "isp_4_1_0_irq";
96 isp->isp_res[idx].flags = IORESOURCE_IRQ;
97 isp->isp_res[idx].start =
98 amdgpu_irq_create_mapping(adev, src_id: isp_4_1_0_int_srcid[int_idx]);
99 isp->isp_res[idx].end =
100 isp->isp_res[idx].start;
101 }
102
103 isp->isp_cell[0].name = "amd_isp_capture";
104 isp->isp_cell[0].num_resources = num_res;
105 isp->isp_cell[0].resources = &isp->isp_res[0];
106 isp->isp_cell[0].platform_data = isp->isp_pdata;
107 isp->isp_cell[0].pdata_size = sizeof(struct isp_platform_data);
108
109 /* initialize isp i2c platform data */
110 isp->isp_i2c_res = kcalloc(1, sizeof(struct resource), GFP_KERNEL);
111 if (!isp->isp_i2c_res) {
112 r = -ENOMEM;
113 drm_err(&adev->ddev,
114 "%s: isp mfd res alloc failed\n", __func__);
115 goto failure;
116 }
117
118 isp->isp_i2c_res[0].name = "isp_i2c0_reg";
119 isp->isp_i2c_res[0].flags = IORESOURCE_MEM;
120 isp->isp_i2c_res[0].start = isp_base + ISP410_I2C0_OFFSET;
121 isp->isp_i2c_res[0].end = isp_base + ISP410_I2C0_OFFSET + ISP410_I2C0_SIZE;
122
123 isp->isp_cell[1].name = "amd_isp_i2c_designware";
124 isp->isp_cell[1].num_resources = 1;
125 isp->isp_cell[1].resources = &isp->isp_i2c_res[0];
126 isp->isp_cell[1].platform_data = isp->isp_pdata;
127 isp->isp_cell[1].pdata_size = sizeof(struct isp_platform_data);
128
129 /* initialize isp gpiochip platform data */
130 isp->isp_gpio_res = kcalloc(1, sizeof(struct resource), GFP_KERNEL);
131 if (!isp->isp_gpio_res) {
132 r = -ENOMEM;
133 drm_err(&adev->ddev,
134 "%s: isp gpio res alloc failed\n", __func__);
135 goto failure;
136 }
137
138 isp->isp_gpio_res[0].name = "isp_gpio_reg";
139 isp->isp_gpio_res[0].flags = IORESOURCE_MEM;
140 isp->isp_gpio_res[0].start = isp_base + ISP410_GPIO_SENSOR_OFFSET;
141 isp->isp_gpio_res[0].end = isp_base + ISP410_GPIO_SENSOR_OFFSET +
142 ISP410_GPIO_SENSOR_SIZE;
143
144 isp->isp_cell[2].name = "amdisp-pinctrl";
145 isp->isp_cell[2].num_resources = 1;
146 isp->isp_cell[2].resources = &isp->isp_gpio_res[0];
147 isp->isp_cell[2].platform_data = isp->isp_pdata;
148 isp->isp_cell[2].pdata_size = sizeof(struct isp_platform_data);
149
150 r = mfd_add_hotplug_devices(parent: isp->parent, cells: isp->isp_cell, n_devs: 3);
151 if (r) {
152 drm_err(&adev->ddev,
153 "%s: add mfd hotplug device failed\n", __func__);
154 goto failure;
155 }
156
157 return 0;
158
159failure:
160
161 kfree(objp: isp->isp_pdata);
162 kfree(objp: isp->isp_res);
163 kfree(objp: isp->isp_cell);
164 kfree(objp: isp->isp_i2c_res);
165 kfree(objp: isp->isp_gpio_res);
166
167 return r;
168}
169
170static int isp_v4_1_0_hw_fini(struct amdgpu_isp *isp)
171{
172 mfd_remove_devices(parent: isp->parent);
173
174 kfree(objp: isp->isp_res);
175 kfree(objp: isp->isp_cell);
176 kfree(objp: isp->isp_pdata);
177 kfree(objp: isp->isp_i2c_res);
178 kfree(objp: isp->isp_gpio_res);
179
180 return 0;
181}
182
183static const struct isp_funcs isp_v4_1_0_funcs = {
184 .hw_init = isp_v4_1_0_hw_init,
185 .hw_fini = isp_v4_1_0_hw_fini,
186};
187
188void isp_v4_1_0_set_isp_funcs(struct amdgpu_isp *isp)
189{
190 isp->funcs = &isp_v4_1_0_funcs;
191}
192

source code of linux/drivers/gpu/drm/amd/amdgpu/isp_v4_1_0.c