diff options
Diffstat (limited to 'include/soc/sprd/__sprd_audio_sc8825.h')
| -rw-r--r-- | include/soc/sprd/__sprd_audio_sc8825.h | 785 |
1 files changed, 785 insertions, 0 deletions
diff --git a/include/soc/sprd/__sprd_audio_sc8825.h b/include/soc/sprd/__sprd_audio_sc8825.h new file mode 100644 index 00000000..f8d3517e --- /dev/null +++ b/include/soc/sprd/__sprd_audio_sc8825.h @@ -0,0 +1,785 @@ +/* + * Copyright (C) 2012 Spreadtrum Communications Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __ASM_ARCH_AUDIO_GLB_SC8825_H +#define __ASM_ARCH_AUDIO_GLB_SC8825_H + +#ifndef __ASM_ARCH_AUDIO_GLB_H +#error "Don't include this file directly, include <mach/sprd-audio.h>" +#endif + +#include <linux/delay.h> +#include <mach/hardware.h> +#include <mach/sci.h> +#include <mach/sci_glb_regs.h> +#include <mach/adi.h> +#include <mach/dma.h> +#include <mach/irqs.h> + +/* OKAY, this is for other else owner + if you do not care the audio config + you can set FIXED_AUDIO to 0 + for compile happy. +*/ +/* FIXME */ +#define FIXED_AUDIO 1 + +enum { + AUDIO_NO_CHANGE, + AUDIO_TO_DSP_CTRL, + AUDIO_TO_ARM_CTRL, + AUDIO_TO_ARM_CP_CTRL, +}; + +#if FIXED_AUDIO +#define VBC_BASE SPRD_VB_BASE +#define CODEC_DP_BASE (SPRD_VB_BASE + 0x1000) +#if ((SPRD_MISC_BASE + 0x0700) & BIT(15)) +#define CODEC_AP_BASE ((SPRD_MISC_BASE + 0x0700) & ~BIT(15)) +#define CODEC_AP_OFFSET (0x8000) +#else +#define CODEC_AP_BASE (SPRD_MISC_BASE + 0x0700) +#define CODEC_AP_OFFSET (0) +#endif +#define VBC_PHY_BASE SPRD_VB_PHYS +#define CODEC_DP_PHY_BASE (SPRD_VB_PHYS + 0x1000) +#define CODEC_AP_PHY_BASE (SPRD_MISC_PHYS + 0x0700) +#define CODEC_AP_IRQ (IRQ_ANA_AUD_INT) +#define CODEC_DP_IRQ (IRQ_REQ_AUD_INT) + +#define SPRD_IRAM_ALL_PHYS (0x00000000) +#define SPRD_IRAM_ALL_SIZE SZ_32K + +#else + +#define VBC_BASE (0) +#define CODEC_DP_BASE (0) +#define CODEC_AP_BASE (0) +#define VBC_PHY_BASE (0) +#define CODEC_DP_PHY_BASE (0) +#define CODEC_AP_PHY_BASE (0) +#define CODEC_AP_IRQ (0) +#define CODEC_DP_IRQ (0) +#define SPRD_IRAM_ALL_PHYS (0) +#define SPRD_IRAM_ALL_SIZE (0) +#endif + +/* ------------------------------------------------------------------------- */ + +/* NOTE: all function maybe will call by atomic funtion + don NOT any complex oprations. Just register. +return + 0: unchanged + 1: changed + ohter error +*/ +/* vbc setting */ + +static inline int arch_audio_vbc_reg_enable(void) +{ + int ret = 0; + +#if FIXED_AUDIO + sci_glb_set(REG_GLB_GEN1, BIT_VBC_EN); +#endif + + return ret; +} + +static inline int arch_audio_vbc_reg_disable(void) +{ + int ret = 0; + +#if FIXED_AUDIO + sci_glb_clr(REG_GLB_GEN1, BIT_VBC_EN); +#endif + + return ret; +} + +static inline int arch_audio_vbc_enable(void) +{ + int ret = 0; + +#if FIXED_AUDIO + sci_glb_set(REG_GLB_BUSCLK, BIT_ARM_VBC_ANAON); +#endif + + return ret; +} + +static inline int arch_audio_vbc_disable(void) +{ + int ret = 0; + +#if FIXED_AUDIO + sci_glb_clr(REG_GLB_BUSCLK, BIT_ARM_VBC_ANAON); +#endif + + return ret; +} + +static inline int arch_audio_vbc_reset(void); +static inline int arch_audio_vbc_switch(int master) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (master) { + case AUDIO_TO_ARM_CTRL: + sci_glb_set(REG_GLB_BUSCLK, BIT_ARM_VBC_ACC); + sci_glb_clr(REG_GLB_BUSCLK, BIT_ARM_VBC_ACC_CP); + arch_audio_vbc_reset(); + break; + case AUDIO_TO_ARM_CP_CTRL: + arch_audio_vbc_reset(); + sci_glb_set(REG_GLB_BUSCLK, BIT_ARM_VBC_ACC); + sci_glb_set(REG_GLB_BUSCLK, BIT_ARM_VBC_ACC_CP); + break; + case AUDIO_TO_DSP_CTRL: + arch_audio_vbc_reset(); + sci_glb_clr(REG_GLB_BUSCLK, BIT_ARM_VBC_ACC); + break; + case AUDIO_NO_CHANGE: + ret = sci_glb_read(REG_GLB_BUSCLK, BIT_ARM_VBC_ACC); + if (ret == 0) { + ret = AUDIO_TO_DSP_CTRL; + } else { + ret = sci_glb_read(REG_GLB_BUSCLK, BIT_ARM_VBC_ACC_CP); + if (ret == 0) + ret = AUDIO_TO_ARM_CTRL; + else + ret = AUDIO_TO_ARM_CP_CTRL; + } + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +static inline int arch_audio_vbc_ad_enable(int chan) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (chan) { + case 0: + sci_glb_set(REG_GLB_BUSCLK, BIT_ARM_VBC_AD0ON); + break; + case 1: + sci_glb_set(REG_GLB_BUSCLK, BIT_ARM_VBC_AD1ON); + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +static inline int arch_audio_vbc_ad_disable(int chan) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (chan) { + case 0: + sci_glb_clr(REG_GLB_BUSCLK, BIT_ARM_VBC_AD0ON); + break; + case 1: + sci_glb_clr(REG_GLB_BUSCLK, BIT_ARM_VBC_AD1ON); + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +static inline int arch_audio_vbc_da_enable(int chan) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (chan) { + case 0: + sci_glb_set(REG_GLB_BUSCLK, BIT_ARM_VBC_DA0ON); + break; + case 1: + sci_glb_set(REG_GLB_BUSCLK, BIT_ARM_VBC_DA1ON); + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +static inline int arch_audio_vbc_da_disable(int chan) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (chan) { + case 0: + sci_glb_clr(REG_GLB_BUSCLK, BIT_ARM_VBC_DA0ON); + break; + case 1: + sci_glb_clr(REG_GLB_BUSCLK, BIT_ARM_VBC_DA1ON); + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +static inline int arch_audio_vbc_da_dma_info(int chan) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (chan) { + case 0: + ret = DMA_VB_DA0; + break; + case 1: + ret = DMA_VB_DA1; + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +static inline int arch_audio_vbc_ad_dma_info(int chan) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (chan) { + case 0: + ret = DMA_VB_AD0; + break; + case 1: + ret = DMA_VB_AD1; + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +static inline int arch_audio_vbc_reset(void) +{ + int ret = 0; + +#if FIXED_AUDIO + sci_glb_set(REG_GLB_SOFT_RST, BIT_VBC_RST); + udelay(10); + sci_glb_clr(REG_GLB_SOFT_RST, BIT_VBC_RST); +#endif + + return ret; +} + +/* some SOC will move this into vbc module */ +static inline int arch_audio_vbc_ad_int_clr(void) +{ + int ret = 0; + +#if FIXED_AUDIO +#endif + + return ret; +} + +/* some SOC will move this into vbc module */ +static inline int arch_audio_vbc_da_int_clr(void) +{ + int ret = 0; + +#if FIXED_AUDIO +#endif + + return ret; +} + +/* some SOC will move this into vbc module */ +static inline int arch_audio_vbc_is_ad_int(void) +{ + int ret = 0; + +#if FIXED_AUDIO +#endif + + return ret; +} + +/* some SOC will move this into vbc module */ +static inline int arch_audio_vbc_is_da_int(void) +{ + int ret = 0; + +#if FIXED_AUDIO +#endif + + return ret; +} + +/* ------------------------------------------------------------------------- */ + +/* codec setting */ +static inline int arch_audio_codec_write_mask(int reg, int val, int mask) +{ + int ret = 0; + +#if FIXED_AUDIO + ret = sci_adi_write(reg + CODEC_AP_OFFSET, val, mask); +#endif + + return ret; +} + +static inline int arch_audio_codec_write(int reg, int val) +{ + int ret = 0; + +#if FIXED_AUDIO + ret = sci_adi_write(reg + CODEC_AP_OFFSET, val, 0xFFFF); +#endif + + return ret; +} + +static inline int arch_audio_codec_read(int reg) +{ + int ret = 0; + +#if FIXED_AUDIO + ret = sci_adi_read(reg + CODEC_AP_OFFSET); +#endif + + return ret; +} + +static inline int arch_audio_codec_audif_enable(int auto_clk) +{ + int ret = 0; + +#if FIXED_AUDIO + if (auto_clk) { + sci_glb_clr(REG_GLB_GEN1, BIT_AUD_IF_EB); + sci_glb_set(REG_GLB_GEN1, BIT_AUDIF_AUTO_EN); + } else { + sci_glb_set(REG_GLB_GEN1, BIT_AUD_IF_EB); + sci_glb_clr(REG_GLB_GEN1, BIT_AUDIF_AUTO_EN); + } +#endif + + return ret; +} + +static inline int arch_audio_codec_audif_disable(void) +{ + int ret = 0; + +#if FIXED_AUDIO + sci_glb_clr(REG_GLB_GEN1, BIT_AUDIF_AUTO_EN); + sci_glb_clr(REG_GLB_GEN1, BIT_AUD_IF_EB); +#endif + + return ret; +} + +static inline int arch_audio_codec_digital_reg_enable(void) +{ + int ret = 0; + +#if FIXED_AUDIO + sci_glb_set(REG_GLB_GEN1, BIT_AUD_TOP_EB); + if (ret >= 0) + arch_audio_codec_audif_enable(1); +#endif + + return ret; +} + +static inline int arch_audio_codec_digital_reg_disable(void) +{ + int ret = 0; + +#if FIXED_AUDIO + arch_audio_codec_audif_disable(); + sci_glb_clr(REG_GLB_GEN1, BIT_AUD_TOP_EB); +#endif + + return ret; +} + +static inline int arch_audio_codec_analog_reg_enable(void) +{ + int ret = 0; + +#if FIXED_AUDIO + ret = + sci_adi_write(ANA_REG_GLB_ARM_AUD_CLK_RST, BIT_AUD_ARM_EN, + BIT_AUD_ARM_EN); + + if (ret >= 0) { + /* Disable Sleep Control Audio Power */ + ret = sci_adi_write(ANA_REG_GLB_LDO_SLP_CTRL1, 0, 0x1FE0); + } +#endif + + return ret; +} + +static inline int arch_audio_codec_analog_reg_disable(void) +{ + int ret = 0; + +#if FIXED_AUDIO + ret = sci_adi_write(ANA_REG_GLB_ARM_AUD_CLK_RST, 0, BIT_AUD_ARM_EN); +#endif + + return ret; +} + +static inline int arch_audio_codec_analog_enable(void) +{ + int ret = 0; + +#if FIXED_AUDIO + int mask = BIT_AUD6M5_CLK_TX_INV_ARM_EN | + BIT_RTC_AUD_ARM_EN | BIT_CLK_AUD_6M5_ARM_EN | BIT_CLK_AUDIF_ARM_EN; + ret = sci_adi_write(ANA_REG_GLB_ARM_AUD_CLK_RST, mask, mask); +#endif + + return ret; +} + +static inline int arch_audio_codec_digital_enable(void) +{ + int ret = 0; + +#if FIXED_AUDIO +#endif + + return ret; +} + +static inline int arch_audio_codec_analog_disable(void) +{ + int ret = 0; + +#if FIXED_AUDIO + int mask = + BIT_RTC_AUD_ARM_EN | BIT_CLK_AUD_6M5_ARM_EN | BIT_CLK_AUDIF_ARM_EN; + ret = sci_adi_write(ANA_REG_GLB_ARM_AUD_CLK_RST, 0, mask); +#endif + + return ret; +} + +static inline int arch_audio_codec_digital_disable(void) +{ + int ret = 0; + +#if FIXED_AUDIO +#endif + + return ret; +} + +static inline int arch_audio_codec_switch(int master) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (master) { + case AUDIO_TO_ARM_CTRL: + sci_glb_set(REG_GLB_GEN1, BIT_AUD_CTL_SEL | BIT_AUD_CLK_SEL); + sci_glb_set(REG_GLB_BUSCLK, BIT_ARM_VB_SEL); + ret = + sci_adi_write(ANA_REG_GLB_ARM_AUD_CLK_RST, + BIT_AUD_ARM_ACC, BIT_AUD_ARM_ACC); + break; + case AUDIO_TO_DSP_CTRL: + sci_glb_clr(REG_GLB_GEN1, BIT_AUD_CTL_SEL | BIT_AUD_CLK_SEL); + sci_glb_clr(REG_GLB_BUSCLK, BIT_ARM_VB_SEL); + ret = + sci_adi_write(ANA_REG_GLB_ARM_AUD_CLK_RST, 0, + BIT_AUD_ARM_ACC); + break; + case AUDIO_NO_CHANGE: + ret = + sci_adi_read(ANA_REG_GLB_ARM_AUD_CLK_RST) & BIT_AUD_ARM_ACC; + if (ret == 0) + ret = AUDIO_TO_DSP_CTRL; + else + ret = AUDIO_TO_ARM_CTRL; + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +static inline int arch_audio_codec_reset(void) +{ + int ret = 0; + +#if FIXED_AUDIO + int mask = + BIT_AUD_ARM_SOFT_RST | BIT_AUDTX_ARM_SOFT_RST | + BIT_AUDRX_ARM_SOFT_RST; + sci_glb_set(REG_GLB_SOFT_RST, BIT_AUD_TOP_RST); + sci_glb_set(REG_GLB_SOFT_RST, BIT_AUD_IF_RST); + ret = sci_adi_write(ANA_REG_GLB_ARM_AUD_CLK_RST, mask, mask); + udelay(10); + sci_glb_clr(REG_GLB_SOFT_RST, BIT_AUD_TOP_RST); + sci_glb_clr(REG_GLB_SOFT_RST, BIT_AUD_IF_RST); + if (ret >= 0) + ret = sci_adi_write(ANA_REG_GLB_ARM_AUD_CLK_RST, 0, mask); +#endif + + return ret; +} + +static inline int arch_audio_codec_digital_reset(void) +{ + int ret = 0; + +#if FIXED_AUDIO +#endif + + return ret; +} + +static inline int arch_audio_codec_analog_reset(void) +{ + int ret = 0; + +#if FIXED_AUDIO +#endif + + return ret; +} + +/* ------------------------------------------------------------------------- */ + +/* i2s setting */ +static inline const char *arch_audio_i2s_clk_name(int id) +{ +#if FIXED_AUDIO + switch (id) { + case 0: + return "clk_iis0"; + break; + case 1: + return "clk_iis1"; + break; + default: + break; + } +#endif + return NULL; +} + +static inline int arch_audio_i2s_enable(int id) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (id) { + case 0: + sci_glb_set(REG_GLB_GEN0, BIT_IIS0_EB); + break; + case 1: + sci_glb_set(REG_GLB_GEN0, BIT_IIS1_EB); + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +static inline int arch_audio_i2s_disable(int id) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (id) { + case 0: + sci_glb_clr(REG_GLB_GEN0, BIT_IIS0_EB); + break; + case 1: + sci_glb_clr(REG_GLB_GEN0, BIT_IIS1_EB); + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +static inline int arch_audio_i2s_tx_dma_info(int id) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (id) { + case 0: + ret = DMA_IIS_TX; + break; + case 1: + ret = DMA_IIS1_TX; + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +static inline int arch_audio_i2s_rx_dma_info(int id) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (id) { + case 0: + ret = DMA_IIS_RX; + break; + case 1: + ret = DMA_IIS1_RX; + break; + default: + ret = -ENODEV; + break; + } + +#endif + + return ret; +} + +static inline int arch_audio_i2s_reset(int id) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (id) { + case 0: + sci_glb_set(REG_GLB_SOFT_RST, BIT_IIS0_RST); + udelay(10); + sci_glb_clr(REG_GLB_SOFT_RST, BIT_IIS0_RST); + break; + case 1: + sci_glb_set(REG_GLB_SOFT_RST, BIT_IIS1_RST); + udelay(10); + sci_glb_clr(REG_GLB_SOFT_RST, BIT_IIS1_RST); + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +static inline int arch_audio_i2s_switch(int id, int master) +{ + int ret = 0; + +#if FIXED_AUDIO + switch (id) { + case 0: + switch (master) { + case AUDIO_TO_ARM_CTRL: + sci_glb_clr(REG_GLB_PCTRL, BIT_IIS0_CTL_SEL); + break; + case AUDIO_TO_DSP_CTRL: + sci_glb_set(REG_GLB_PCTRL, BIT_IIS0_CTL_SEL); + break; + case AUDIO_NO_CHANGE: + ret = sci_glb_read(REG_GLB_PCTRL, BIT_IIS0_CTL_SEL); + if (ret != 0) + ret = AUDIO_TO_DSP_CTRL; + else + ret = AUDIO_TO_ARM_CTRL; + break; + default: + ret = -ENODEV; + break; + } + break; + case 1: + switch (master) { + case AUDIO_TO_ARM_CTRL: + sci_glb_clr(REG_GLB_PCTRL, BIT_IIS1_CTL_SEL); + break; + case AUDIO_TO_DSP_CTRL: + sci_glb_set(REG_GLB_PCTRL, BIT_IIS1_CTL_SEL); + break; + case AUDIO_NO_CHANGE: + ret = sci_glb_read(REG_GLB_PCTRL, BIT_IIS1_CTL_SEL); + if (ret != 0) + ret = AUDIO_TO_DSP_CTRL; + else + ret = AUDIO_TO_ARM_CTRL; + break; + default: + ret = -ENODEV; + break; + } + break; + default: + ret = -ENODEV; + break; + } +#endif + + return ret; +} + +#endif |