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_1.h"
30
31 static const unsigned int isp_4_1_1_int_srcid[MAX_ISP411_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
isp_v4_1_1_hw_init(struct amdgpu_isp * isp)42 static int isp_v4_1_1_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_ISP411_MEM_RES + MAX_ISP411_INT_SRC;
62
63 isp->isp_res = kcalloc(num_res, sizeof(struct resource),
64 GFP_KERNEL);
65 if (!isp->isp_res) {
66 r = -ENOMEM;
67 drm_err(&adev->ddev,
68 "%s: isp mfd res alloc failed\n", __func__);
69 goto failure;
70 }
71
72 isp->isp_pdata = kzalloc(sizeof(*isp->isp_pdata), GFP_KERNEL);
73 if (!isp->isp_pdata) {
74 r = -ENOMEM;
75 drm_err(&adev->ddev,
76 "%s: isp platform data alloc failed\n", __func__);
77 goto failure;
78 }
79
80 /* initialize isp platform data */
81 isp->isp_pdata->adev = (void *)adev;
82 isp->isp_pdata->asic_type = adev->asic_type;
83 isp->isp_pdata->base_rmmio_size = adev->rmmio_size;
84
85 isp->isp_res[0].name = "isp_4_1_1_reg";
86 isp->isp_res[0].flags = IORESOURCE_MEM;
87 isp->isp_res[0].start = isp_base;
88 isp->isp_res[0].end = isp_base + ISP_REGS_OFFSET_END;
89
90 isp->isp_res[1].name = "isp_4_1_1_phy0_reg";
91 isp->isp_res[1].flags = IORESOURCE_MEM;
92 isp->isp_res[1].start = isp_base + ISP411_PHY0_OFFSET;
93 isp->isp_res[1].end = isp_base + ISP411_PHY0_OFFSET + ISP411_PHY0_SIZE;
94
95 for (idx = MAX_ISP411_MEM_RES, int_idx = 0; idx < num_res; idx++, int_idx++) {
96 isp->isp_res[idx].name = "isp_4_1_1_irq";
97 isp->isp_res[idx].flags = IORESOURCE_IRQ;
98 isp->isp_res[idx].start =
99 amdgpu_irq_create_mapping(adev, isp_4_1_1_int_srcid[int_idx]);
100 isp->isp_res[idx].end =
101 isp->isp_res[idx].start;
102 }
103
104 isp->isp_cell[0].name = "amd_isp_capture";
105 isp->isp_cell[0].num_resources = num_res;
106 isp->isp_cell[0].resources = &isp->isp_res[0];
107 isp->isp_cell[0].platform_data = isp->isp_pdata;
108 isp->isp_cell[0].pdata_size = sizeof(struct isp_platform_data);
109
110 /* initialize isp i2c platform data */
111 isp->isp_i2c_res = kcalloc(1, sizeof(struct resource), GFP_KERNEL);
112 if (!isp->isp_i2c_res) {
113 r = -ENOMEM;
114 drm_err(&adev->ddev,
115 "%s: isp mfd res alloc failed\n", __func__);
116 goto failure;
117 }
118
119 isp->isp_i2c_res[0].name = "isp_i2c0_reg";
120 isp->isp_i2c_res[0].flags = IORESOURCE_MEM;
121 isp->isp_i2c_res[0].start = isp_base + ISP411_I2C0_OFFSET;
122 isp->isp_i2c_res[0].end = isp_base + ISP411_I2C0_OFFSET + ISP411_I2C0_SIZE;
123
124 isp->isp_cell[1].name = "amd_isp_i2c_designware";
125 isp->isp_cell[1].num_resources = 1;
126 isp->isp_cell[1].resources = &isp->isp_i2c_res[0];
127 isp->isp_cell[1].platform_data = isp->isp_pdata;
128 isp->isp_cell[1].pdata_size = sizeof(struct isp_platform_data);
129
130 /* initialize isp gpiochip platform data */
131 isp->isp_gpio_res = kcalloc(1, sizeof(struct resource), GFP_KERNEL);
132 if (!isp->isp_gpio_res) {
133 r = -ENOMEM;
134 drm_err(&adev->ddev,
135 "%s: isp gpio res alloc failed\n", __func__);
136 goto failure;
137 }
138
139 isp->isp_gpio_res[0].name = "isp_gpio_reg";
140 isp->isp_gpio_res[0].flags = IORESOURCE_MEM;
141 isp->isp_gpio_res[0].start = isp_base + ISP411_GPIO_SENSOR_OFFSET;
142 isp->isp_gpio_res[0].end = isp_base + ISP411_GPIO_SENSOR_OFFSET +
143 ISP411_GPIO_SENSOR_SIZE;
144
145 isp->isp_cell[2].name = "amdisp-pinctrl";
146 isp->isp_cell[2].num_resources = 1;
147 isp->isp_cell[2].resources = &isp->isp_gpio_res[0];
148 isp->isp_cell[2].platform_data = isp->isp_pdata;
149 isp->isp_cell[2].pdata_size = sizeof(struct isp_platform_data);
150
151 r = mfd_add_hotplug_devices(isp->parent, isp->isp_cell, 3);
152 if (r) {
153 drm_err(&adev->ddev,
154 "%s: add mfd hotplug device failed\n", __func__);
155 goto failure;
156 }
157
158 return 0;
159
160 failure:
161
162 kfree(isp->isp_pdata);
163 kfree(isp->isp_res);
164 kfree(isp->isp_cell);
165 kfree(isp->isp_i2c_res);
166 kfree(isp->isp_gpio_res);
167
168 return r;
169 }
170
isp_v4_1_1_hw_fini(struct amdgpu_isp * isp)171 static int isp_v4_1_1_hw_fini(struct amdgpu_isp *isp)
172 {
173 mfd_remove_devices(isp->parent);
174
175 kfree(isp->isp_res);
176 kfree(isp->isp_cell);
177 kfree(isp->isp_pdata);
178 kfree(isp->isp_i2c_res);
179 kfree(isp->isp_gpio_res);
180
181 return 0;
182 }
183
184 static const struct isp_funcs isp_v4_1_1_funcs = {
185 .hw_init = isp_v4_1_1_hw_init,
186 .hw_fini = isp_v4_1_1_hw_fini,
187 };
188
isp_v4_1_1_set_isp_funcs(struct amdgpu_isp * isp)189 void isp_v4_1_1_set_isp_funcs(struct amdgpu_isp *isp)
190 {
191 isp->funcs = &isp_v4_1_1_funcs;
192 }
193