1 /*
2 * Copyright (C) 2021 HiSilicon (Shanghai) Technologies CO., LIMITED.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 */
18
19 #include <linux/module.h>
20 #include <linux/kernel.h>
21 #include <linux/printk.h>
22 #include <linux/version.h>
23 #include <linux/of_platform.h>
24
25 #include "hi_type.h"
26 #include "hi_adc.h"
27
28 #define OSDRV_MODULE_VERSION_STRING "HISI_adc @HiMPP"
29
30 extern unsigned int g_lsadc_irq;
31 extern volatile void *g_lsadc_reg_base;
32
hi_adc_probe(struct platform_device * pdev)33 static int hi_adc_probe(struct platform_device *pdev)
34 {
35 struct resource *mem = NULL;
36
37 g_lsadc_irq = platform_get_irq(pdev, 0);
38 if (g_lsadc_irq <= 0) {
39 dev_err(&pdev->dev, "cannot find lsadc IRQ%d. \n", g_lsadc_irq);
40 }
41
42 mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
43 g_lsadc_reg_base = (volatile void *)devm_ioremap_resource(&pdev->dev, mem);
44 if (IS_ERR((void*)g_lsadc_reg_base)) {
45 dev_err(&pdev->dev, "lsadc reg map failed. \n");
46 }
47
48 return lsadc_init();
49 }
50
hi_adc_remove(struct platform_device * pdev)51 static int hi_adc_remove(struct platform_device *pdev)
52 {
53 hi_adc_unused(pdev);
54
55 lsadc_exit();
56 return 0;
57 }
58
59 static const struct of_device_id g_hi_adc_match[] = {
60 { .compatible = "hisilicon,hisi-lsadc" },
61 {},
62 };
63
64 static struct platform_driver g_hi_lsadc_driver = {
65 .probe = hi_adc_probe,
66 .remove = hi_adc_remove,
67 .driver = { .name = "hi_lsadc",
68 .of_match_table = g_hi_adc_match,
69 },
70 };
71
72 module_platform_driver(g_hi_lsadc_driver);
73
74 MODULE_LICENSE("GPL");
75 MODULE_AUTHOR("Digital Media Team ,Hisilicon crop ");
76 MODULE_DESCRIPTION("HISI ADC Driver");
77 MODULE_VERSION("HI_VERSION=" OSDRV_MODULE_VERSION_STRING);
78
79