^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) // Copyright(c) 2015-2020 Intel Corporation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/mod_devicetable.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/soundwire/sdw.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/soundwire/sdw_type.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "bus.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "sysfs_local.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct dpn_attribute {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) struct device_attribute dev_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) int N;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) int dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) const char *format_string;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * Since we can't use ARRAY_SIZE, hard-code number of dpN attributes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * This needs to be updated when adding new attributes - an error will be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * flagged on a mismatch.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define SDW_DPN_ATTRIBUTES 15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define sdw_dpn_attribute_alloc(field) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static int field##_attribute_alloc(struct device *dev, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct attribute **res, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) int N, int dir, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) const char *format_string) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct dpn_attribute *dpn_attr; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) dpn_attr = devm_kzalloc(dev, sizeof(*dpn_attr), GFP_KERNEL); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) if (!dpn_attr) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) return -ENOMEM; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) dpn_attr->N = N; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) dpn_attr->dir = dir; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) sysfs_attr_init(&dpn_attr->dev_attr.attr); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) dpn_attr->format_string = format_string; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) dpn_attr->dev_attr.attr.name = __stringify(field); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) dpn_attr->dev_attr.attr.mode = 0444; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) dpn_attr->dev_attr.show = field##_show; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) *res = &dpn_attr->dev_attr.attr; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) return 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define sdw_dpn_attr(field) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static ssize_t field##_dpn_show(struct sdw_slave *slave, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) int N, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int dir, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) const char *format_string, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) char *buf) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) struct sdw_dpn_prop *dpn; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) unsigned long mask; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) int bit; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int i; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) if (dir) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) dpn = slave->prop.src_dpn_prop; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) mask = slave->prop.source_ports; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) } else { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) dpn = slave->prop.sink_dpn_prop; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) mask = slave->prop.sink_ports; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) i = 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) for_each_set_bit(bit, &mask, 32) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) if (bit == N) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) return sprintf(buf, format_string, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) dpn[i].field); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) i++; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return -EINVAL; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static ssize_t field##_show(struct device *dev, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct device_attribute *attr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) char *buf) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct sdw_slave *slave = dev_to_sdw_dev(dev); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct dpn_attribute *dpn_attr = \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) container_of(attr, struct dpn_attribute, dev_attr); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return field##_dpn_show(slave, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) dpn_attr->N, dpn_attr->dir, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) dpn_attr->format_string, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) buf); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) sdw_dpn_attribute_alloc(field)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) sdw_dpn_attr(imp_def_interrupts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) sdw_dpn_attr(max_word);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) sdw_dpn_attr(min_word);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) sdw_dpn_attr(type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) sdw_dpn_attr(max_grouping);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) sdw_dpn_attr(simple_ch_prep_sm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) sdw_dpn_attr(ch_prep_timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) sdw_dpn_attr(max_ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) sdw_dpn_attr(min_ch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) sdw_dpn_attr(max_async_buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) sdw_dpn_attr(block_pack_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) sdw_dpn_attr(port_encoding);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #define sdw_dpn_array_attr(field) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) static ssize_t field##_dpn_show(struct sdw_slave *slave, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) int N, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) int dir, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) const char *format_string, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) char *buf) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct sdw_dpn_prop *dpn; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) unsigned long mask; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) ssize_t size = 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) int bit; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) int i; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) int j; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (dir) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) dpn = slave->prop.src_dpn_prop; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) mask = slave->prop.source_ports; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) } else { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) dpn = slave->prop.sink_dpn_prop; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) mask = slave->prop.sink_ports; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) i = 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) for_each_set_bit(bit, &mask, 32) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) if (bit == N) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) for (j = 0; j < dpn[i].num_##field; j++) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) size += sprintf(buf + size, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) format_string, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) dpn[i].field[j]); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) size += sprintf(buf + size, "\n"); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return size; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) i++; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) return -EINVAL; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) static ssize_t field##_show(struct device *dev, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) struct device_attribute *attr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) char *buf) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) struct sdw_slave *slave = dev_to_sdw_dev(dev); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) struct dpn_attribute *dpn_attr = \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) container_of(attr, struct dpn_attribute, dev_attr); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) return field##_dpn_show(slave, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) dpn_attr->N, dpn_attr->dir, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) dpn_attr->format_string, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) buf); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) sdw_dpn_attribute_alloc(field)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) sdw_dpn_array_attr(words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) sdw_dpn_array_attr(ch_combinations);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) sdw_dpn_array_attr(channels);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static int add_all_attributes(struct device *dev, int N, int dir)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) struct attribute **dpn_attrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) struct attribute_group *dpn_group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) /* allocate attributes, last one is NULL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) dpn_attrs = devm_kcalloc(dev, SDW_DPN_ATTRIBUTES + 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) sizeof(struct attribute *),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) if (!dpn_attrs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) ret = max_word_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) ret = min_word_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) ret = words_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) ret = type_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) ret = max_grouping_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) ret = simple_ch_prep_sm_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) ret = ch_prep_timeout_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) ret = imp_def_interrupts_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) N, dir, "0x%x\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) ret = min_ch_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) ret = max_ch_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) ret = channels_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) ret = ch_combinations_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) ret = max_async_buffer_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) ret = block_pack_mode_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) ret = port_encoding_attribute_alloc(dev, &dpn_attrs[i++],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) N, dir, "%d\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) /* paranoia check for editing mistakes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) if (i != SDW_DPN_ATTRIBUTES) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) dev_err(dev, "mismatch in attributes, allocated %d got %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) SDW_DPN_ATTRIBUTES, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) dpn_group = devm_kzalloc(dev, sizeof(*dpn_group), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) if (!dpn_group)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) dpn_group->attrs = dpn_attrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) dpn_group->name = devm_kasprintf(dev, GFP_KERNEL, "dp%d_%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) N, dir ? "src" : "sink");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) if (!dpn_group->name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) ret = devm_device_add_group(dev, dpn_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) int sdw_slave_sysfs_dpn_init(struct sdw_slave *slave)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) unsigned long mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) mask = slave->prop.source_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) for_each_set_bit(i, &mask, 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) ret = add_all_attributes(&slave->dev, i, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) mask = slave->prop.sink_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) for_each_set_bit(i, &mask, 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) ret = add_all_attributes(&slave->dev, i, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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