xref: /linux/drivers/gpu/drm/amd/amdgpu/isp_v4_1_1.c (revision a6021aa24f6417416d93318bbfa022ab229c33c8)
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 
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(2, sizeof(struct mfd_cell), GFP_KERNEL);
54 	if (!isp->isp_cell) {
55 		r = -ENOMEM;
56 		DRM_ERROR("%s: isp mfd cell alloc failed\n", __func__);
57 		goto failure;
58 	}
59 
60 	num_res = MAX_ISP411_MEM_RES + MAX_ISP411_SENSOR_RES + MAX_ISP411_INT_SRC;
61 
62 	isp->isp_res = kcalloc(num_res, sizeof(struct resource),
63 			       GFP_KERNEL);
64 	if (!isp->isp_res) {
65 		r = -ENOMEM;
66 		DRM_ERROR("%s: isp mfd res alloc failed\n", __func__);
67 		goto failure;
68 	}
69 
70 	isp->isp_pdata = kzalloc(sizeof(*isp->isp_pdata), GFP_KERNEL);
71 	if (!isp->isp_pdata) {
72 		r = -ENOMEM;
73 		DRM_ERROR("%s: isp platform data alloc failed\n", __func__);
74 		goto failure;
75 	}
76 
77 	/* initialize isp platform data */
78 	isp->isp_pdata->adev = (void *)adev;
79 	isp->isp_pdata->asic_type = adev->asic_type;
80 	isp->isp_pdata->base_rmmio_size = adev->rmmio_size;
81 
82 	isp->isp_res[0].name = "isp_4_1_1_reg";
83 	isp->isp_res[0].flags = IORESOURCE_MEM;
84 	isp->isp_res[0].start = isp_base;
85 	isp->isp_res[0].end = isp_base + ISP_REGS_OFFSET_END;
86 
87 	isp->isp_res[1].name = "isp_4_1_1_phy0_reg";
88 	isp->isp_res[1].flags = IORESOURCE_MEM;
89 	isp->isp_res[1].start = isp_base + ISP411_PHY0_OFFSET;
90 	isp->isp_res[1].end = isp_base + ISP411_PHY0_OFFSET + ISP411_PHY0_SIZE;
91 
92 	isp->isp_res[2].name = "isp_4_1_1_sensor0_reg";
93 	isp->isp_res[2].flags = IORESOURCE_MEM;
94 	isp->isp_res[2].start = isp_base + ISP411_GPIO_SENSOR0_OFFSET;
95 	isp->isp_res[2].end = isp_base + ISP411_GPIO_SENSOR0_OFFSET +
96 			      ISP411_GPIO_SENSOR0_SIZE;
97 
98 	for (idx = MAX_ISP411_MEM_RES + MAX_ISP411_SENSOR_RES, int_idx = 0;
99 	     idx < num_res; idx++, int_idx++) {
100 		isp->isp_res[idx].name = "isp_4_1_1_irq";
101 		isp->isp_res[idx].flags = IORESOURCE_IRQ;
102 		isp->isp_res[idx].start =
103 			amdgpu_irq_create_mapping(adev, isp_4_1_1_int_srcid[int_idx]);
104 		isp->isp_res[idx].end =
105 			isp->isp_res[idx].start;
106 	}
107 
108 	isp->isp_cell[0].name = "amd_isp_capture";
109 	isp->isp_cell[0].num_resources = num_res;
110 	isp->isp_cell[0].resources = &isp->isp_res[0];
111 	isp->isp_cell[0].platform_data = isp->isp_pdata;
112 	isp->isp_cell[0].pdata_size = sizeof(struct isp_platform_data);
113 
114 	isp->isp_i2c_res = kcalloc(1, sizeof(struct resource), GFP_KERNEL);
115 	if (!isp->isp_i2c_res) {
116 		r = -ENOMEM;
117 		DRM_ERROR("%s: isp mfd res alloc failed\n", __func__);
118 		goto failure;
119 	}
120 
121 	isp->isp_i2c_res[0].name = "isp_i2c0_reg";
122 	isp->isp_i2c_res[0].flags = IORESOURCE_MEM;
123 	isp->isp_i2c_res[0].start = isp_base + ISP411_I2C0_OFFSET;
124 	isp->isp_i2c_res[0].end = isp_base + ISP411_I2C0_OFFSET + ISP411_I2C0_SIZE;
125 
126 	isp->isp_cell[1].name = "amd_isp_i2c_designware";
127 	isp->isp_cell[1].num_resources = 1;
128 	isp->isp_cell[1].resources = &isp->isp_i2c_res[0];
129 	isp->isp_cell[1].platform_data = isp->isp_pdata;
130 	isp->isp_cell[1].pdata_size = sizeof(struct isp_platform_data);
131 
132 	r = mfd_add_hotplug_devices(isp->parent, isp->isp_cell, 2);
133 	if (r) {
134 		DRM_ERROR("%s: add mfd hotplug device failed\n", __func__);
135 		goto failure;
136 	}
137 
138 	return 0;
139 
140 failure:
141 
142 	kfree(isp->isp_pdata);
143 	kfree(isp->isp_res);
144 	kfree(isp->isp_cell);
145 	kfree(isp->isp_i2c_res);
146 
147 	return r;
148 }
149 
150 static int isp_v4_1_1_hw_fini(struct amdgpu_isp *isp)
151 {
152 	mfd_remove_devices(isp->parent);
153 
154 	kfree(isp->isp_res);
155 	kfree(isp->isp_cell);
156 	kfree(isp->isp_pdata);
157 	kfree(isp->isp_i2c_res);
158 
159 	return 0;
160 }
161 
162 static const struct isp_funcs isp_v4_1_1_funcs = {
163 	.hw_init = isp_v4_1_1_hw_init,
164 	.hw_fini = isp_v4_1_1_hw_fini,
165 };
166 
167 void isp_v4_1_1_set_isp_funcs(struct amdgpu_isp *isp)
168 {
169 	isp->funcs = &isp_v4_1_1_funcs;
170 }
171