From 3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Wed, 2 Sep 2026 15:31:14 -0700 Subject: treewide: refresh kmalloc_obj() conversions This is another run of the Coccinelle script for converting kmalloc() family of allocations to kmalloc_obj() via the existing rules in scripts/coccinelle/api/kmalloc_objs.cocci This catches both the set of kmalloc() uses added since the first kmalloc_obj() conversions in v7.0 and adds a large group missed in the first pass due to Coccinelle not interacting well with the cleanup.h scoped_...() family of macros[1]. I worked around this with spatch's "--macro-file" argument to a file with all the scoped_...() macros mapped to Coccinelle's YACFE_ITERATOR[2] as that was the closest viable control flow indicator I could find. Build tested allmodconfig on x86, arm64, arm, loongarch, mips, powerpc, riscv, and s390 with no new warnings. Link: https://lore.kernel.org/lkml/202609021314.8A9C0B8@keescook/ [1] Link: https://github.com/coccinelle/coccinelle/blob/master/standard.h [2] Signed-off-by: Kees Cook --- arch/m68k/atari/atasound.c | 110 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 arch/m68k/atari/atasound.c (limited to 'arch/m68k/atari/atasound.c') diff --git a/arch/m68k/atari/atasound.c b/arch/m68k/atari/atasound.c new file mode 100644 index 000000000..c38ef0e60 --- /dev/null +++ b/arch/m68k/atari/atasound.c @@ -0,0 +1,110 @@ +/* + * linux/arch/m68k/atari/atasound.c + * + * ++Geert: Moved almost all stuff to linux/drivers/sound/ + * + * The author of atari_nosound, atari_mksound and atari_microwire_cmd is + * unknown. (++roman: That's me... :-) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + * + * 1998-05-31 ++andreas: atari_mksound rewritten to always use the envelope, + * no timer, atari_nosound removed. + * + */ + + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "atari.h" + +/* + * stuff from the old atasound.c + */ + +void atari_microwire_cmd (int cmd) +{ + tt_microwire.mask = 0x7ff; + tt_microwire.data = MW_LM1992_ADDR | cmd; + + /* Busy wait for data being completely sent :-( */ + while( tt_microwire.mask != 0x7ff) + ; +} +EXPORT_SYMBOL(atari_microwire_cmd); + + +/* PSG base frequency */ +#define PSG_FREQ 125000 +/* PSG envelope base frequency times 10 */ +#define PSG_ENV_FREQ_10 78125 + +void atari_mksound (unsigned int hz, unsigned int ticks) +{ + /* Generates sound of some frequency for some number of clock + ticks. */ + unsigned long flags; + unsigned char tmp; + int period; + + local_irq_save(flags); + + + /* Disable generator A in mixer control. */ + sound_ym.rd_data_reg_sel = 7; + tmp = sound_ym.rd_data_reg_sel; + tmp |= 011; + sound_ym.wd_data = tmp; + + if (hz) { + /* Convert from frequency value to PSG period value (base + frequency 125 kHz). */ + + period = PSG_FREQ / hz; + + if (period > 0xfff) period = 0xfff; + + /* Set generator A frequency to hz. */ + sound_ym.rd_data_reg_sel = 0; + sound_ym.wd_data = period & 0xff; + sound_ym.rd_data_reg_sel = 1; + sound_ym.wd_data = (period >> 8) & 0xf; + if (ticks) { + /* Set length of envelope (max 8 sec). */ + int length = (ticks * PSG_ENV_FREQ_10) / HZ / 10; + + if (length > 0xffff) length = 0xffff; + sound_ym.rd_data_reg_sel = 11; + sound_ym.wd_data = length & 0xff; + sound_ym.rd_data_reg_sel = 12; + sound_ym.wd_data = length >> 8; + /* Envelope form: max -> min single. */ + sound_ym.rd_data_reg_sel = 13; + sound_ym.wd_data = 0; + /* Use envelope for generator A. */ + sound_ym.rd_data_reg_sel = 8; + sound_ym.wd_data = 0x10; + } else { + /* Set generator A level to maximum, no envelope. */ + sound_ym.rd_data_reg_sel = 8; + sound_ym.wd_data = 15; + } + /* Turn on generator A in mixer control. */ + sound_ym.rd_data_reg_sel = 7; + tmp &= ~1; + sound_ym.wd_data = tmp; + } + local_irq_restore(flags); +} -- cgit v1.3.1