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lenovo/wacom: Move to implicit length patching 

Change-Id: Ica8a54ab215d09a2d2de93f316e3831ae4bfe5f5
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7331
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)
This commit is contained in:
Vladimir Serbinenko 2014-11-04 21:17:30 +01:00
parent f7c75dbe07
commit bcb3abe130
1 changed files with 37 additions and 45 deletions
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82
src/drivers/lenovo/wacom.c
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@ -93,84 +93,76 @@ void
drivers_lenovo_serial_ports_ssdt_generate(const char *scope, drivers_lenovo_serial_ports_ssdt_generate(const char *scope,
int have_dock_serial) int have_dock_serial)
{ {
int scopelen, devicelen, reslen, methodlen; int reslen;
scopelen = acpigen_write_scope(scope); acpigen_write_scope(scope);
if (drivers_lenovo_is_wacom_present()) { if (drivers_lenovo_is_wacom_present()) {
/* Device op. */ /* Device op. */
scopelen += acpigen_emit_byte(0x5b); acpigen_emit_byte(0x5b);
scopelen += acpigen_emit_byte(0x82); acpigen_emit_byte(0x82);
devicelen = acpigen_write_len_f(); acpigen_write_len_f();
devicelen += acpigen_emit_namestring("DTR"); acpigen_emit_namestring("DTR");
devicelen += acpigen_write_name("_HID"); acpigen_write_name("_HID");
devicelen += acpigen_emit_eisaid("WACF004"); acpigen_emit_eisaid("WACF004");
devicelen += acpigen_write_name("_CRS"); acpigen_write_name("_CRS");
reslen = acpigen_write_resourcetemplate_header(); reslen = acpigen_write_resourcetemplate_header();
reslen += acpigen_write_io16(0x200, 0x200, 1, 8, 1); reslen += acpigen_write_io16(0x200, 0x200, 1, 8, 1);
reslen += acpigen_write_irq((1 << 5)); reslen += acpigen_write_irq((1 << 5));
devicelen += reslen; acpigen_write_resourcetemplate_footer(reslen);
devicelen += acpigen_write_resourcetemplate_footer(reslen);
/* method op */ /* method op */
devicelen += acpigen_emit_byte(0x14); acpigen_emit_byte(0x14);
methodlen = acpigen_write_len_f(); acpigen_write_len_f();
methodlen += acpigen_emit_namestring("_STA"); acpigen_emit_namestring("_STA");
/* no fnarg */ /* no fnarg */
methodlen += acpigen_emit_byte(0x00); acpigen_emit_byte(0x00);
/* return */ /* return */
methodlen += acpigen_emit_byte(0xa4); acpigen_emit_byte(0xa4);
methodlen += acpigen_write_byte(0xf); acpigen_write_byte(0xf);
acpigen_pop_len();
acpigen_patch_len(methodlen); acpigen_pop_len();
devicelen += methodlen;
acpigen_patch_len(devicelen - 1);
scopelen += devicelen;
} }
if (have_dock_serial) { if (have_dock_serial) {
/* Device op. */ /* Device op. */
scopelen += acpigen_emit_byte(0x5b); acpigen_emit_byte(0x5b);
scopelen += acpigen_emit_byte(0x82); acpigen_emit_byte(0x82);
devicelen = acpigen_write_len_f(); acpigen_write_len_f();
devicelen += acpigen_emit_namestring("COMA"); acpigen_emit_namestring("COMA");
devicelen += acpigen_write_name("_HID"); acpigen_write_name("_HID");
devicelen += acpigen_emit_eisaid("PNP0501"); acpigen_emit_eisaid("PNP0501");
devicelen += acpigen_write_name("_UID"); acpigen_write_name("_UID");
/* Byte */ /* Byte */
devicelen += acpigen_write_byte(0x2); acpigen_write_byte(0x2);
devicelen += acpigen_write_name("_CRS"); acpigen_write_name("_CRS");
reslen = acpigen_write_resourcetemplate_header(); reslen = acpigen_write_resourcetemplate_header();
reslen += acpigen_write_io16(0x3f8, 0x3f8, 1, 8, 1); reslen += acpigen_write_io16(0x3f8, 0x3f8, 1, 8, 1);
reslen += acpigen_write_irq(1 << 4); reslen += acpigen_write_irq(1 << 4);
devicelen += reslen; acpigen_write_resourcetemplate_footer(reslen);
devicelen += acpigen_write_resourcetemplate_footer(reslen);
/* method op */ /* method op */
devicelen += acpigen_emit_byte(0x14); acpigen_emit_byte(0x14);
methodlen = acpigen_write_len_f(); acpigen_write_len_f();
methodlen += acpigen_emit_namestring("_STA"); acpigen_emit_namestring("_STA");
/* no fnarg */ /* no fnarg */
methodlen += acpigen_emit_byte(0x00); acpigen_emit_byte(0x00);
/* return */ /* return */
methodlen += acpigen_emit_byte(0xa4); acpigen_emit_byte(0xa4);
methodlen += acpigen_write_byte(0xf); acpigen_write_byte(0xf);
acpigen_patch_len(methodlen); acpigen_pop_len();
devicelen += methodlen; acpigen_pop_len();
acpigen_patch_len(devicelen - 1);
scopelen += devicelen;
} }
acpigen_patch_len(scopelen - 1); acpigen_pop_len();
} }