^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * GUS's memory allocation routines / bottom layer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <sound/gus.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <sound/info.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #ifdef CONFIG_SND_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) static void snd_gf1_mem_info_read(struct snd_info_entry *entry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) struct snd_info_buffer *buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) if (!xup) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) mutex_lock(&alloc->memory_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) mutex_unlock(&alloc->memory_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static struct snd_gf1_mem_block *snd_gf1_mem_xalloc(struct snd_gf1_mem * alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct snd_gf1_mem_block * block)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct snd_gf1_mem_block *pblock, *nblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) nblock = kmalloc(sizeof(struct snd_gf1_mem_block), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) if (nblock == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) *nblock = *block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) pblock = alloc->first;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) while (pblock) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) if (pblock->ptr > nblock->ptr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) nblock->prev = pblock->prev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) nblock->next = pblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) pblock->prev = nblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (pblock == alloc->first)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) alloc->first = nblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) nblock->prev->next = nblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) mutex_unlock(&alloc->memory_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) pblock = pblock->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) nblock->next = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) if (alloc->last == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) nblock->prev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) alloc->first = alloc->last = nblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) nblock->prev = alloc->last;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) alloc->last->next = nblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) alloc->last = nblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) return nblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (block->share) { /* ok.. shared block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) block->share--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) mutex_unlock(&alloc->memory_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (alloc->first == block) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) alloc->first = block->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (block->next)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) block->next->prev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) block->prev->next = block->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) if (block->next)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) block->next->prev = block->prev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if (alloc->last == block) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) alloc->last = block->prev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (block->prev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) block->prev->next = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) block->next->prev = block->prev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) if (block->prev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) block->prev->next = block->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) kfree(block->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) kfree(block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static struct snd_gf1_mem_block *snd_gf1_mem_look(struct snd_gf1_mem * alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) unsigned int address)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) struct snd_gf1_mem_block *block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) for (block = alloc->first; block; block = block->next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (block->ptr == address) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) return block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static struct snd_gf1_mem_block *snd_gf1_mem_share(struct snd_gf1_mem * alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) unsigned int *share_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct snd_gf1_mem_block *block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) if (!share_id[0] && !share_id[1] &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) !share_id[2] && !share_id[3])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) for (block = alloc->first; block; block = block->next)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) if (!memcmp(share_id, block->share_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) sizeof(block->share_id)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) static int snd_gf1_mem_find(struct snd_gf1_mem * alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct snd_gf1_mem_block * block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) unsigned int size, int w_16, int align)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) struct snd_gf1_bank_info *info = w_16 ? alloc->banks_16 : alloc->banks_8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) unsigned int idx, boundary;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) int size1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) struct snd_gf1_mem_block *pblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) unsigned int ptr1, ptr2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) if (w_16 && align < 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) align = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) block->flags = w_16 ? SNDRV_GF1_MEM_BLOCK_16BIT : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) block->owner = SNDRV_GF1_MEM_OWNER_DRIVER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) block->share = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) block->share_id[0] = block->share_id[1] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) block->share_id[2] = block->share_id[3] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) block->name = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) block->prev = block->next = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) for (pblock = alloc->first, idx = 0; pblock; pblock = pblock->next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) while (pblock->ptr >= (boundary = info[idx].address + info[idx].size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) while (pblock->ptr + pblock->size >= (boundary = info[idx].address + info[idx].size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) ptr2 = boundary;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) if (pblock->next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (pblock->ptr + pblock->size == pblock->next->ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (pblock->next->ptr < boundary)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) ptr2 = pblock->next->ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) ptr1 = ALIGN(pblock->ptr + pblock->size, align);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (ptr1 >= ptr2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) size1 = ptr2 - ptr1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) if ((int)size <= size1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) block->ptr = ptr1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) block->size = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) while (++idx < 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) if (size <= info[idx].size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) /* I assume that bank address is already aligned.. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) block->ptr = info[idx].address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) block->size = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) char *name, int size, int w_16, int align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) unsigned int *share_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct snd_gf1_mem_block block, *nblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) snd_gf1_mem_lock(alloc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (share_id != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) nblock = snd_gf1_mem_share(alloc, share_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) if (nblock != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) if (size != (int)nblock->size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) /* TODO: remove in the future */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) snd_printk(KERN_ERR "snd_gf1_mem_alloc - share: sizes differ\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) goto __std;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) nblock->share++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) snd_gf1_mem_lock(alloc, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) __std:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (snd_gf1_mem_find(alloc, &block, size, w_16, align) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) snd_gf1_mem_lock(alloc, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (share_id != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) memcpy(&block.share_id, share_id, sizeof(block.share_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) block.owner = owner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) block.name = kstrdup(name, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) nblock = snd_gf1_mem_xalloc(alloc, &block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) snd_gf1_mem_lock(alloc, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) return nblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) struct snd_gf1_mem_block *block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) snd_gf1_mem_lock(alloc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) if ((block = snd_gf1_mem_look(alloc, address)) != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) result = snd_gf1_mem_xfree(alloc, block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) snd_gf1_mem_lock(alloc, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) snd_gf1_mem_lock(alloc, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) int snd_gf1_mem_init(struct snd_gus_card * gus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) struct snd_gf1_mem *alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) struct snd_gf1_mem_block block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) alloc = &gus->gf1.mem_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) mutex_init(&alloc->memory_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) alloc->first = alloc->last = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) if (!gus->gf1.memory)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) memset(&block, 0, sizeof(block));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) block.owner = SNDRV_GF1_MEM_OWNER_DRIVER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (gus->gf1.enh_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) block.ptr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) block.size = 1024;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) block.name = kstrdup("InterWave LFOs", GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) if (snd_gf1_mem_xalloc(alloc, &block) == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) block.ptr = gus->gf1.default_voice_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) block.size = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) block.name = kstrdup("Voice default (NULL's)", GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) if (snd_gf1_mem_xalloc(alloc, &block) == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) #ifdef CONFIG_SND_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) snd_card_ro_proc_new(gus->card, "gusmem", gus, snd_gf1_mem_info_read);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) int snd_gf1_mem_done(struct snd_gus_card * gus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) struct snd_gf1_mem *alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) struct snd_gf1_mem_block *block, *nblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) alloc = &gus->gf1.mem_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) block = alloc->first;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) while (block) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) nblock = block->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) snd_gf1_mem_xfree(alloc, block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) block = nblock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) #ifdef CONFIG_SND_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) static void snd_gf1_mem_info_read(struct snd_info_entry *entry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) struct snd_info_buffer *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) struct snd_gus_card *gus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) struct snd_gf1_mem *alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) struct snd_gf1_mem_block *block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) unsigned int total, used;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) gus = entry->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) alloc = &gus->gf1.mem_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) mutex_lock(&alloc->memory_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) snd_iprintf(buffer, "8-bit banks : \n ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) for (i = 0; i < 4; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) snd_iprintf(buffer, "0x%06x (%04ik)%s", alloc->banks_8[i].address, alloc->banks_8[i].size >> 10, i + 1 < 4 ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) snd_iprintf(buffer, "\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) "16-bit banks : \n ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) for (i = total = 0; i < 4; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) snd_iprintf(buffer, "0x%06x (%04ik)%s", alloc->banks_16[i].address, alloc->banks_16[i].size >> 10, i + 1 < 4 ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) total += alloc->banks_16[i].size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) snd_iprintf(buffer, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) used = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) for (block = alloc->first, i = 0; block; block = block->next, i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) used += block->size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) snd_iprintf(buffer, "Block %i onboard 0x%x size %i (0x%x):\n", i, block->ptr, block->size, block->size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) if (block->share ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) block->share_id[0] || block->share_id[1] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) block->share_id[2] || block->share_id[3])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) snd_iprintf(buffer, " Share : %i [id0 0x%x] [id1 0x%x] [id2 0x%x] [id3 0x%x]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) block->share,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) block->share_id[0], block->share_id[1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) block->share_id[2], block->share_id[3]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) snd_iprintf(buffer, " Flags :%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) block->flags & SNDRV_GF1_MEM_BLOCK_16BIT ? " 16-bit" : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) snd_iprintf(buffer, " Owner : ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) switch (block->owner) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) case SNDRV_GF1_MEM_OWNER_DRIVER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) snd_iprintf(buffer, "driver - %s\n", block->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) case SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) snd_iprintf(buffer, "SIMPLE wave\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) case SNDRV_GF1_MEM_OWNER_WAVE_GF1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) snd_iprintf(buffer, "GF1 wave\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) case SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) snd_iprintf(buffer, "IWFFFF wave\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) snd_iprintf(buffer, "unknown\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) snd_iprintf(buffer, " Total: memory = %i, used = %i, free = %i\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) total, used, total - used);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) mutex_unlock(&alloc->memory_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) ultra_iprintf(buffer, " Verify: free = %i, max 8-bit block = %i, max 16-bit block = %i\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) ultra_memory_free_size(card, &card->gf1.mem_alloc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) ultra_memory_free_block(card, &card->gf1.mem_alloc, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) ultra_memory_free_block(card, &card->gf1.mem_alloc, 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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