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