The Low Power DRPw (LPD) mode contains several optimizations
that designed to reduce power consumption. The purpose
is to save current consumption in RX and Listen mode.
LPD setting apply only for wl127x AP mode (not wl128x)
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
clk |= (wl->ref_clock << 1) << 4;
}
clk |= (wl->ref_clock << 1) << 4;
}
+ if (wl->quirks & WL12XX_QUIRK_LPD_MODE)
+ clk |= SCRATCH_ENABLE_LPD;
+
wl1271_write32(wl, DRPW_SCRATCH_START, clk);
wl1271_set_partition(wl, &part_table[PART_WORK]);
wl1271_write32(wl, DRPW_SCRATCH_START, clk);
wl1271_set_partition(wl, &part_table[PART_WORK]);
/* Override the REF CLK from the NVS with the one from platform data */
gen_parms->general_params.ref_clock = wl->ref_clock;
/* Override the REF CLK from the NVS with the one from platform data */
gen_parms->general_params.ref_clock = wl->ref_clock;
+ /* LPD mode enable (bits 6-7) in WL1271 AP mode only */
+ if (wl->quirks & WL12XX_QUIRK_LPD_MODE)
+ gen_parms->general_params.general_settings |=
+ GENERAL_SETTINGS_DRPW_LPD;
+
ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
if (ret < 0) {
wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
if (ret < 0) {
wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
#ifndef __INI_H__
#define __INI_H__
#ifndef __INI_H__
#define __INI_H__
+#define GENERAL_SETTINGS_DRPW_LPD 0xc0
+#define SCRATCH_ENABLE_LPD BIT(25)
+
#define WL1271_INI_MAX_SMART_REFLEX_PARAM 16
struct wl1271_ini_general_params {
#define WL1271_INI_MAX_SMART_REFLEX_PARAM 16
struct wl1271_ini_general_params {
wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
wl->chip.id);
wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
wl->chip.id);
- /* end-of-transaction flag should be set in wl127x AP mode */
+ /*
+ * 'end-of-transaction flag' and 'LPD mode flag'
+ * should be set in wl127x AP mode only
+ */
if (wl->bss_type == BSS_TYPE_AP_BSS)
if (wl->bss_type == BSS_TYPE_AP_BSS)
- wl->quirks |= WL12XX_QUIRK_END_OF_TRANSACTION;
+ wl->quirks |= (WL12XX_QUIRK_END_OF_TRANSACTION |
+ WL12XX_QUIRK_LPD_MODE);
ret = wl1271_setup(wl);
if (ret < 0)
ret = wl1271_setup(wl);
if (ret < 0)
ret = wl1271_setup(wl);
if (ret < 0)
goto out;
ret = wl1271_setup(wl);
if (ret < 0)
goto out;
if (wl1271_set_block_size(wl))
wl->quirks |= WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT;
break;
if (wl1271_set_block_size(wl))
wl->quirks |= WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT;
break;
/* WL128X requires aggregated packets to be aligned to the SDIO block size */
#define WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT BIT(2)
/* WL128X requires aggregated packets to be aligned to the SDIO block size */
#define WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT BIT(2)
+/*
+ * WL127X AP mode requires Low Power DRPw (LPD) enable to reduce power
+ * consumption
+ */
+#define WL12XX_QUIRK_LPD_MODE BIT(3)
+