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imx233: rewrite audioout using new register headers

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Change-Id: I20dddec437187c0974ac16027548dbe3dd097c59
This commit is contained in:
Amaury Pouly 2013-06-16 15:45:32 +02:00
parent e6a931301f
commit df9e6c3147
2 changed files with 44 additions and 155 deletions
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102
firmware/target/arm/imx233/audioout-imx233.c
View file

@ -24,13 +24,14 @@
#include "pcm_sampr.h" #include "pcm_sampr.h"
static int hp_vol_l, hp_vol_r; static int hp_vol_l, hp_vol_r;
static bool input_line1;
static struct timeout hp_unmute_oneshort; static struct timeout hp_unmute_oneshort;
static int hp_unmute_cb(struct timeout *tmo) static int hp_unmute_cb(struct timeout *tmo)
{ {
(void) tmo; (void) tmo;
/* unmute HP */ /* unmute HP */
__REG_CLR(HW_AUDIOOUT_HPVOL) = HW_AUDIOOUT_HPVOL__MUTE; BF_CLR(AUDIOOUT_HPVOL, MUTE);
return 0; return 0;
} }
@ -41,35 +42,31 @@ void imx233_audioout_preinit(void)
/* Enable digital filter clock */ /* Enable digital filter clock */
imx233_clkctrl_enable_xtal(XTAL_FILT, true); imx233_clkctrl_enable_xtal(XTAL_FILT, true);
/* Enable DAC */ /* Enable DAC */
__REG_CLR(HW_AUDIOOUT_ANACLKCTRL) = HW_AUDIOOUT_ANACLKCTRL__CLKGATE; BF_CLR(AUDIOOUT_ANACLKCTRL, CLKGATE);
/* Set capless mode */ /* Set capless mode */
__REG_CLR(HW_AUDIOOUT_PWRDN) = HW_AUDIOOUT_PWRDN__CAPLESS; BF_CLR(AUDIOOUT_PWRDN, CAPLESS);
/* Set word-length to 16-bit */ /* Set word-length to 16-bit */
__REG_SET(HW_AUDIOOUT_CTRL) = HW_AUDIOOUT_CTRL__WORD_LENGTH; BF_SET(AUDIOOUT_CTRL, WORD_LENGTH);
/* Power up DAC */ /* Power up DAC */
__REG_CLR(HW_AUDIOOUT_PWRDN) = HW_AUDIOOUT_PWRDN__DAC; BF_CLR(AUDIOOUT_PWRDN, DAC);
/* Hold HP to ground to avoid pop, then release and power up HP */ /* Hold HP to ground to avoid pop, then release and power up HP */
__REG_SET(HW_AUDIOOUT_ANACTRL) = HW_AUDIOOUT_ANACTRL__HP_HOLD_GND; BF_SET(AUDIOOUT_ANACTRL, HP_HOLD_GND);
__REG_CLR(HW_AUDIOOUT_PWRDN) = HW_AUDIOOUT_PWRDN__HEADPHONE; BF_CLR(AUDIOOUT_PWRDN, HEADPHONE);
/* Set HP mode to AB */ /* Set HP mode to AB */
__REG_SET(HW_AUDIOOUT_ANACTRL) = HW_AUDIOOUT_ANACTRL__HP_CLASSAB; BF_SET(AUDIOOUT_ANACTRL, HP_CLASSAB);
/* change biais to -50% */ /* change bias to -50% */
__REG_CLR(HW_AUDIOOUT_TEST) = HW_AUDIOOUT_TEST__HP_I1_ADJ_BM; BF_WR(AUDIOOUT_TEST, HP_I1_ADJ, 1);
__REG_SET(HW_AUDIOOUT_TEST) = HW_AUDIOOUT_TEST__HP_I1_ADJ_M_50; BF_WR(AUDIOOUT_REFCTRL, BIAS_CTRL, 1);
__REG_CLR(HW_AUDIOOUT_REFCTRL) = HW_AUDIOOUT_REFCTRL__BIAS_CTRL_BM; BF_SET(AUDIOOUT_REFCTRL, RAISE_REF);
__REG_SET(HW_AUDIOOUT_REFCTRL) = 1 << HW_AUDIOOUT_REFCTRL__BIAS_CTRL_BP; BF_SET(AUDIOOUT_REFCTRL, XTAL_BGR_BIAS);
__REG_SET(HW_AUDIOOUT_REFCTRL) = HW_AUDIOOUT_REFCTRL__RAISE_REF;
__REG_SET(HW_AUDIOOUT_REFCTRL) = HW_AUDIOOUT_REFCTRL__XTAL_BGR_BIAS;
/* Stop holding to ground */ /* Stop holding to ground */
__REG_CLR(HW_AUDIOOUT_ANACTRL) = HW_AUDIOOUT_ANACTRL__HP_HOLD_GND; BF_CLR(AUDIOOUT_ANACTRL, HP_HOLD_GND);
/* Set dmawait count to 31 (see errata, workaround random stop) */ /* Set dmawait count to 31 (see errata, workaround random stop) */
__REG_CLR(HW_AUDIOOUT_CTRL) = HW_AUDIOOUT_CTRL__DMAWAIT_COUNT_BM; BF_WR(AUDIOOUT_CTRL, DMAWAIT_COUNT, 31);
__REG_SET(HW_AUDIOOUT_CTRL) = 31 << HW_AUDIOOUT_CTRL__DMAWAIT_COUNT_BP;
/* start converting audio */ /* start converting audio */
__REG_SET(HW_AUDIOOUT_CTRL) = HW_AUDIOOUT_CTRL__RUN; BF_SET(AUDIOOUT_CTRL, RUN);
/* unmute DAC */ /* unmute DAC */
__REG_CLR(HW_AUDIOOUT_DACVOLUME) = HW_AUDIOOUT_DACVOLUME__MUTE_LEFT | HW_AUDIOOUT_DACVOLUME_CLR = BM_OR2(AUDIOOUT_DACVOLUME, MUTE_LEFT, MUTE_RIGHT);
HW_AUDIOOUT_DACVOLUME__MUTE_RIGHT;
/* send a few samples to avoid pop */ /* send a few samples to avoid pop */
HW_AUDIOOUT_DATA = 0; HW_AUDIOOUT_DATA = 0;
HW_AUDIOOUT_DATA = 0; HW_AUDIOOUT_DATA = 0;
@ -86,24 +83,23 @@ void imx233_audioout_postinit(void)
void imx233_audioout_close(void) void imx233_audioout_close(void)
{ {
/* Switch to class A */ /* Switch to class A */
__REG_CLR(HW_AUDIOOUT_ANACTRL) = HW_AUDIOOUT_ANACTRL__HP_CLASSAB; BF_CLR(AUDIOOUT_ANACTRL, HP_CLASSAB);
/* Hold HP to ground */ /* Hold HP to ground */
__REG_SET(HW_AUDIOOUT_ANACTRL) = HW_AUDIOOUT_ANACTRL__HP_HOLD_GND; BF_SET(AUDIOOUT_ANACTRL, HP_HOLD_GND);
/* Mute HP and power down */ /* Mute HP and power down */
__REG_SET(HW_AUDIOOUT_HPVOL) = HW_AUDIOOUT_HPVOL__MUTE; BF_SET(AUDIOOUT_HPVOL, MUTE);
/* Power down HP */ /* Power down HP */
__REG_SET(HW_AUDIOOUT_PWRDN) = HW_AUDIOOUT_PWRDN__HEADPHONE; BF_SET(AUDIOOUT_PWRDN, HEADPHONE);
/* Mute DAC */ /* Mute DAC */
__REG_SET(HW_AUDIOOUT_DACVOLUME) = HW_AUDIOOUT_DACVOLUME__MUTE_LEFT HW_AUDIOOUT_DACVOLUME_SET = BM_OR2(AUDIOOUT_DACVOLUME, MUTE_LEFT, MUTE_RIGHT);
| HW_AUDIOOUT_DACVOLUME__MUTE_RIGHT;
/* Power down DAC */ /* Power down DAC */
__REG_SET(HW_AUDIOOUT_PWRDN) = HW_AUDIOOUT_PWRDN__DAC; BF_SET(AUDIOOUT_PWRDN, DAC);
/* Gate off DAC */ /* Gate off DAC */
__REG_SET(HW_AUDIOOUT_ANACLKCTRL) = HW_AUDIOOUT_ANACLKCTRL__CLKGATE; BF_SET(AUDIOOUT_ANACLKCTRL, CLKGATE);
/* Disable digital filter clock */ /* Disable digital filter clock */
imx233_clkctrl_enable_xtal(XTAL_FILT, false); imx233_clkctrl_enable_xtal(XTAL_FILT, false);
/* will also gate off the module */ /* will also gate off the module */
__REG_CLR(HW_AUDIOOUT_CTRL) = HW_AUDIOOUT_CTRL__RUN; BF_CLR(AUDIOOUT_CTRL, RUN);
} }
/* volume in half dB /* volume in half dB
@ -115,36 +111,31 @@ static void set_dac_vol(int vol_l, int vol_r)
vol_r = MAX(-200, MIN(vol_r, 0)); vol_r = MAX(-200, MIN(vol_r, 0));
/* unmute, enable zero cross and set volume. /* unmute, enable zero cross and set volume.
* 0xff is 0dB */ * 0xff is 0dB */
HW_AUDIOOUT_DACVOLUME = HW_AUDIOOUT_DACVOLUME = BF_OR3(AUDIOOUT_DACVOLUME,
(0xff + vol_l) << HW_AUDIOOUT_DACVOLUME__VOLUME_LEFT_BP | VOLUME_LEFT(0xff + vol_l), VOLUME_RIGHT(0xff + vol_r), EN_ZCD(1));
(0xff + vol_r) << HW_AUDIOOUT_DACVOLUME__VOLUME_RIGHT_BP |
HW_AUDIOOUT_DACVOLUME__EN_ZCD;
} }
/* volume in half dB /* volume in half dB
* don't check input values */ * don't check input values */
static void set_hp_vol(int vol_l, int vol_r) static void set_hp_vol(int vol_l, int vol_r)
{ {
uint32_t select = (HW_AUDIOOUT_HPVOL & HW_AUDIOOUT_HPVOL__SELECT);
/* minimum is -57.5dB and max is 6dB in DAC mode /* minimum is -57.5dB and max is 6dB in DAC mode
* and -51.5dB / 12dB in Line1 mode */ * and -51.5dB / 12dB in Line1 mode */
int min = select ? -103 : -115; int min = input_line1 ? -103 : -115;
int max = select ? 24 : 12; int max = input_line1 ? 24 : 12;
vol_l = MAX(min, MIN(vol_l, max)); vol_l = MAX(min, MIN(vol_l, max));
vol_r = MAX(min, MIN(vol_r, max)); vol_r = MAX(min, MIN(vol_r, max));
/* unmute, enable zero cross and set volume. Keep select value. */ /* unmute, enable zero cross and set volume.*/
HW_AUDIOOUT_HPVOL = unsigned mstr_zcd = BM_AUDIOOUT_HPVOL_EN_MSTR_ZCD;
(max - vol_l) << HW_AUDIOOUT_HPVOL__VOL_LEFT_BP | HW_AUDIOOUT_HPVOL = mstr_zcd | BF_OR3(AUDIOOUT_HPVOL, SELECT(input_line1),
(max - vol_r) << HW_AUDIOOUT_HPVOL__VOL_RIGHT_BP | VOL_LEFT(max - vol_l), VOL_RIGHT(max - vol_r));
select |
HW_AUDIOOUT_HPVOL__EN_MSTR_ZCD;
} }
static void apply_volume(void) static void apply_volume(void)
{ {
/* Two cases: line1 and dac */ /* Two cases: line1 and dac */
if(HW_AUDIOOUT_HPVOL & HW_AUDIOOUT_HPVOL__SELECT) if(input_line1)
{ {
/* In line1 mode, the HP is the only way to adjust the volume */ /* In line1 mode, the HP is the only way to adjust the volume */
set_hp_vol(hp_vol_l, hp_vol_r); set_hp_vol(hp_vol_l, hp_vol_r);
@ -189,12 +180,10 @@ void imx233_audioout_set_freq(int fsel)
HW_HAVE_96_([HW_FREQ_96] = { 0x2, 0x0, 0xf, 0x13ff },) HW_HAVE_96_([HW_FREQ_96] = { 0x2, 0x0, 0xf, 0x13ff },)
}; };
HW_AUDIOOUT_DACSRR = HW_AUDIOOUT_DACSRR = BF_OR4(AUDIOOUT_DACSRR,
dacssr[fsel].src_frac << HW_AUDIOOUT_DACSRR__SRC_FRAC_BP | SRC_FRAC(dacssr[fsel].src_frac), SRC_INT(dacssr[fsel].src_int),
dacssr[fsel].src_int << HW_AUDIOOUT_DACSRR__SRC_INT_BP | SRC_HOLD(dacssr[fsel].src_hold), BASEMULT(dacssr[fsel].base_mult));
dacssr[fsel].src_hold << HW_AUDIOOUT_DACSRR__SRC_HOLD_BP |
dacssr[fsel].base_mult << HW_AUDIOOUT_DACSRR__BASEMULT_BP;
#if 0 #if 0
/* Select base_mult and src_hold depending on the audio range: /* Select base_mult and src_hold depending on the audio range:
* 0 < f <= 12000 --> base_mult = 1, src_hold = 3 (div by 4) * 0 < f <= 12000 --> base_mult = 1, src_hold = 3 (div by 4)
@ -216,21 +205,16 @@ void imx233_audioout_set_freq(int fsel)
int src_int = (750000 * base_mult) / (f * (src_hold + 1)); int src_int = (750000 * base_mult) / (f * (src_hold + 1));
int src_frac = ((750000 * base_mult - src_int * f * (src_hold + 1)) << 13) / (f * (src_hold + 1)); int src_frac = ((750000 * base_mult - src_int * f * (src_hold + 1)) << 13) / (f * (src_hold + 1));
HW_AUDIOOUT_DACSRR = HW_AUDIOOUT_DACSRR = BF_OR4(AUDIOOUT_DACSRR,
src_frac << HW_AUDIOOUT_DACSRR__SRC_FRAC_BP | SRC_FRAC(src_frac), SRC_INT(src_int),
src_int << HW_AUDIOOUT_DACSRR__SRC_INT_BP | SRC_HOLD(src_hold), BASEMULT(base_mult));
src_hold << HW_AUDIOOUT_DACSRR__SRC_HOLD_BP |
base_mult << HW_AUDIOOUT_DACSRR__BASEMULT_BP;
#endif #endif
} }
/* select between DAC and Line1 */ /* select between DAC and Line1 */
void imx233_audioout_select_hp_input(bool line1) void imx233_audioout_select_hp_input(bool line1)
{ {
if(line1) input_line1 = line1;
__REG_SET(HW_AUDIOOUT_HPVOL) = HW_AUDIOOUT_HPVOL__SELECT;
else
__REG_CLR(HW_AUDIOOUT_HPVOL) = HW_AUDIOOUT_HPVOL__SELECT;
/* reapply volume setting */ /* reapply volume setting */
apply_volume(); apply_volume();
} }

97
firmware/target/arm/imx233/audioout-imx233.h
View file

@ -25,102 +25,7 @@
#include "cpu.h" #include "cpu.h"
#include "system.h" #include "system.h"
#define HW_AUDIOOUT_BASE 0x80048000 #include "regs/regs-audioout.h"
#define HW_AUDIOOUT_CTRL (*(volatile uint32_t *)(HW_AUDIOOUT_BASE + 0x0))
#define HW_AUDIOOUT_CTRL__RUN (1 << 0)
#define HW_AUDIOOUT_CTRL__FIFO_ERROR_IRQ_EN (1 << 1)
#define HW_AUDIOOUT_CTRL__FIFO_OVERFLOW_IRQ (1 << 2)
#define HW_AUDIOOUT_CTRL__FIFO_UNDERFLOW_IRQ (1 << 3)
#define HW_AUDIOOUT_CTRL__WORD_LENGTH (1 << 6)
#define HW_AUDIOOUT_CTRL__SS3D_EFFECT_BP 8
#define HW_AUDIOOUT_CTRL__SS3D_EFFECT_BM (3 << 8)
#define HW_AUDIOOUT_CTRL__SS3D_EFFECT_OFF (0 << 8)
#define HW_AUDIOOUT_CTRL__SS3D_EFFECT_3 (1 << 8)
#define HW_AUDIOOUT_CTRL__SS3D_EFFECT_4P5 (2 << 8)
#define HW_AUDIOOUT_CTRL__SS3D_EFFECT_6 (3 << 8)
#define HW_AUDIOOUT_CTRL__DMAWAIT_COUNT_BP 16
#define HW_AUDIOOUT_CTRL__DMAWAIT_COUNT_BM (0x1f << 16)
#define HW_AUDIOOUT_DACSRR (*(volatile uint32_t *)(HW_AUDIOOUT_BASE + 0x20))
#define HW_AUDIOOUT_DACSRR__SRC_FRAC_BP 0
#define HW_AUDIOOUT_DACSRR__SRC_FRAC_BM (0x1ff << 0)
#define HW_AUDIOOUT_DACSRR__SRC_INT_BP 16
#define HW_AUDIOOUT_DACSRR__SRC_INT_BM (0x1f << 16)
#define HW_AUDIOOUT_DACSRR__SRC_HOLD_BP 24
#define HW_AUDIOOUT_DACSRR__SRC_HOLD_BM (0x7 << 24)
#define HW_AUDIOOUT_DACSRR__BASEMULT_BP 28
#define HW_AUDIOOUT_DACSRR__BASEMULT_BM (0x7 << 28)
#define HW_AUDIOOUT_DACSRR__OSR (1 << 31)
#define HW_AUDIOOUT_DACVOLUME (*(volatile uint32_t *)(HW_AUDIOOUT_BASE + 0x30))
#define HW_AUDIOOUT_DACVOLUME__VOLUME_RIGHT_BP 0
#define HW_AUDIOOUT_DACVOLUME__VOLUME_RIGHT_BM 0xff
#define HW_AUDIOOUT_DACVOLUME__MUTE_RIGHT (1 << 8)
#define HW_AUDIOOUT_DACVOLUME__VOLUME_UPDATE_RIGHT (1 << 12)
#define HW_AUDIOOUT_DACVOLUME__VOLUME_LEFT_BP 16
#define HW_AUDIOOUT_DACVOLUME__VOLUME_LEFT_BM (0xff << 16)
#define HW_AUDIOOUT_DACVOLUME__MUTE_LEFT (1 << 24)
#define HW_AUDIOOUT_DACVOLUME__EN_ZCD (1 << 25)
#define HW_AUDIOOUT_DACVOLUME__VOLUME_UPDATE_LEFT (1 << 28)
#define HW_AUDIOOUT_DACDEBUG (*(volatile uint32_t *)(HW_AUDIOOUT_BASE + 0x40))
#define HW_AUDIOOUT_DACDEBUG__FIFO_STATUS 1
#define HW_AUDIOOUT_HPVOL (*(volatile uint32_t *)(HW_AUDIOOUT_BASE + 0x50))
#define HW_AUDIOOUT_HPVOL__VOL_RIGHT_BP 0
#define HW_AUDIOOUT_HPVOL__VOL_RIGHT_BM (0x7f << 0)
#define HW_AUDIOOUT_HPVOL__VOL_LEFT_BP 8
#define HW_AUDIOOUT_HPVOL__VOL_LEFT_BM (0x7f << 8)
#define HW_AUDIOOUT_HPVOL__SELECT (1 << 16)
#define HW_AUDIOOUT_HPVOL__MUTE (1 << 24)
#define HW_AUDIOOUT_HPVOL__EN_MSTR_ZCD (1 << 25)
#define HW_AUDIOOUT_PWRDN (*(volatile uint32_t *)(HW_AUDIOOUT_BASE + 0x70))
#define HW_AUDIOOUT_PWRDN__HEADPHONE (1 << 0)
#define HW_AUDIOOUT_PWRDN__CAPLESS (1 << 4)
#define HW_AUDIOOUT_PWRDN__ADC (1 << 8)
#define HW_AUDIOOUT_PWRDN__DAC (1 << 12)
#define HW_AUDIOOUT_PWRDN__RIGHT_ADC (1 << 16)
#define HW_AUDIOOUT_PWRDN__SPEAKER (1 << 24)
#define HW_AUDIOOUT_REFCTRL (*(volatile uint32_t *)(HW_AUDIOOUT_BASE + 0x80))
#define HW_AUDIOOUT_REFCTRL__BIAS_CTRL_BP 16
#define HW_AUDIOOUT_REFCTRL__BIAS_CTRL_BM (3 << 16)
#define HW_AUDIOOUT_REFCTRL__LOW_PWR (1 << 19)
#define HW_AUDIOOUT_REFCTRL__VBG_ADJ_BP 20
#define HW_AUDIOOUT_REFCTRL__VBG_ADJ_BM (3 << 20)
#define HW_AUDIOOUT_REFCTRL__XTAL_BGR_BIAS (1 << 24)
#define HW_AUDIOOUT_REFCTRL__RAISE_REF (1 << 25)
#define HW_AUDIOOUT_ANACTRL (*(volatile uint32_t *)(HW_AUDIOOUT_BASE + 0x90))
#define HW_AUDIOOUT_ANACTRL__HP_CLASSAB (1 << 4)
#define HW_AUDIOOUT_ANACTRL__HP_HOLD_GND (1 << 5)
#define HW_AUDIOOUT_ANACTRL__SHORTMODE_LR_BP 17
#define HW_AUDIOOUT_ANACTRL__SHORTMODE_LR_BM (3 << 17)
#define HW_AUDIOOUT_ANACTRL__SHORTMODE_CM_BP 20
#define HW_AUDIOOUT_ANACTRL__SHORTMODE_CM_BM (3 << 20)
#define HW_AUDIOOUT_ANACTRL__SHORT_LR_STS (1 << 24)
#define HW_AUDIOOUT_ANACTRL__SHORT_CM_STS (1 << 28)
#define HW_AUDIOOUT_TEST (*(volatile uint32_t *)(HW_AUDIOOUT_BASE + 0xa0))
#define HW_AUDIOOUT_TEST__HP_I1_ADJ_BM (3 << 22)
#define HW_AUDIOOUT_TEST__HP_I1_ADJ_BP 22
#define HW_AUDIOOUT_TEST__HP_I1_ADJ_NOMINAL (0 << 22)
#define HW_AUDIOOUT_TEST__HP_I1_ADJ_M_50 (1 << 22)
#define HW_AUDIOOUT_TEST__HP_I1_ADJ_P_100 (2 << 22)
#define HW_AUDIOOUT_TEST__HP_I1_ADJ_P_50 (3 << 22)
#define HW_AUDIOOUT_ANACLKCTRL (*(volatile uint32_t *)(HW_AUDIOOUT_BASE + 0xe0))
#define HW_AUDIOOUT_ANACLKCTRL__DACDIV_BP 0
#define HW_AUDIOOUT_ANACLKCTRL__DACDIV_BM (7 << 0)
#define HW_AUDIOOUT_ANACLKCTRL__CLKGATE (1 << 31)
#define HW_AUDIOOUT_DATA (*(volatile uint32_t *)(HW_AUDIOOUT_BASE + 0xf0))
#define HW_AUDIOOUT_VERSION (*(volatile uint32_t *)(HW_AUDIOOUT_BASE + 0x200))
void imx233_audioout_preinit(void); void imx233_audioout_preinit(void);
void imx233_audioout_postinit(void); void imx233_audioout_postinit(void);