From: Clemens Ladisch Date: Tue, 13 May 2008 07:20:51 +0000 (+0200) Subject: [ALSA] oxygen: save register writes X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e58aee95806c9d2bbcfc84cb85ce958e360165ef;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git [ALSA] oxygen: save register writes Save the written values of all CMI8788 and AC97 registers and of some of the DAC/ADC registers so that it is possible to restore the register state later. Signed-off-by: Clemens Ladisch Signed-off-by: Jaroslav Kysela --- diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c index c1b30cc75935..8287ac28fe78 100644 --- a/sound/pci/oxygen/oxygen.c +++ b/sound/pci/oxygen/oxygen.c @@ -80,6 +80,7 @@ MODULE_DEVICE_TABLE(pci, oxygen_ids); struct generic_data { u8 ak4396_ctl2; + u16 saved_wm8785_registers[2]; }; static void ak4396_write(struct oxygen *chip, unsigned int codec, @@ -99,12 +100,16 @@ static void ak4396_write(struct oxygen *chip, unsigned int codec, static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value) { + struct generic_data *data = chip->model_data; + oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER | OXYGEN_SPI_DATA_LENGTH_2 | OXYGEN_SPI_CLOCK_160 | (3 << OXYGEN_SPI_CODEC_SHIFT) | OXYGEN_SPI_CEN_LATCH_CLOCK_LO, (reg << 9) | value); + if (reg < ARRAY_SIZE(data->saved_wm8785_registers)) + data->saved_wm8785_registers[reg] = value; } static void ak4396_init(struct oxygen *chip) @@ -135,10 +140,16 @@ static void ak5385_init(struct oxygen *chip) static void wm8785_init(struct oxygen *chip) { + struct generic_data *data = chip->model_data; + + data->saved_wm8785_registers[0] = WM8785_MCR_SLAVE | + WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST; + data->saved_wm8785_registers[1] = WM8785_WL_24; + wm8785_write(chip, WM8785_R7, 0); - wm8785_write(chip, WM8785_R0, WM8785_MCR_SLAVE | - WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST); - wm8785_write(chip, WM8785_R1, WM8785_WL_24); + wm8785_write(chip, WM8785_R0, data->saved_wm8785_registers[0]); + wm8785_write(chip, WM8785_R1, data->saved_wm8785_registers[1]); + snd_component_add(chip->card, "WM8785"); } diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h index 6c6efede4d2f..29c9fa4964b2 100644 --- a/sound/pci/oxygen/oxygen.h +++ b/sound/pci/oxygen/oxygen.h @@ -80,6 +80,12 @@ struct oxygen { struct work_struct spdif_input_bits_work; struct work_struct gpio_work; wait_queue_head_t ac97_waitqueue; + union { + u8 _8[OXYGEN_IO_SIZE]; + __le16 _16[OXYGEN_IO_SIZE / 2]; + __le32 _32[OXYGEN_IO_SIZE / 4]; + } saved_registers; + u16 saved_ac97_registers[2][0x40]; }; struct oxygen_model { diff --git a/sound/pci/oxygen/oxygen_io.c b/sound/pci/oxygen/oxygen_io.c index 5569606ee87f..83f135f80df4 100644 --- a/sound/pci/oxygen/oxygen_io.c +++ b/sound/pci/oxygen/oxygen_io.c @@ -44,18 +44,21 @@ EXPORT_SYMBOL(oxygen_read32); void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value) { outb(value, chip->addr + reg); + chip->saved_registers._8[reg] = value; } EXPORT_SYMBOL(oxygen_write8); void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value) { outw(value, chip->addr + reg); + chip->saved_registers._16[reg / 2] = cpu_to_le16(value); } EXPORT_SYMBOL(oxygen_write16); void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value) { outl(value, chip->addr + reg); + chip->saved_registers._32[reg / 4] = cpu_to_le32(value); } EXPORT_SYMBOL(oxygen_write32); @@ -63,7 +66,10 @@ void oxygen_write8_masked(struct oxygen *chip, unsigned int reg, u8 value, u8 mask) { u8 tmp = inb(chip->addr + reg); - outb((tmp & ~mask) | (value & mask), chip->addr + reg); + tmp &= ~mask; + tmp |= value & mask; + outb(tmp, chip->addr + reg); + chip->saved_registers._8[reg] = tmp; } EXPORT_SYMBOL(oxygen_write8_masked); @@ -71,7 +77,10 @@ void oxygen_write16_masked(struct oxygen *chip, unsigned int reg, u16 value, u16 mask) { u16 tmp = inw(chip->addr + reg); - outw((tmp & ~mask) | (value & mask), chip->addr + reg); + tmp &= ~mask; + tmp |= value & mask; + outw(tmp, chip->addr + reg); + chip->saved_registers._16[reg / 2] = cpu_to_le16(tmp); } EXPORT_SYMBOL(oxygen_write16_masked); @@ -79,7 +88,10 @@ void oxygen_write32_masked(struct oxygen *chip, unsigned int reg, u32 value, u32 mask) { u32 tmp = inl(chip->addr + reg); - outl((tmp & ~mask) | (value & mask), chip->addr + reg); + tmp &= ~mask; + tmp |= value & mask; + outl(tmp, chip->addr + reg); + chip->saved_registers._32[reg / 4] = cpu_to_le32(tmp); } EXPORT_SYMBOL(oxygen_write32_masked); @@ -128,8 +140,10 @@ void oxygen_write_ac97(struct oxygen *chip, unsigned int codec, oxygen_write32(chip, OXYGEN_AC97_REGS, reg); /* require two "completed" writes, just to be sure */ if (oxygen_ac97_wait(chip, OXYGEN_AC97_INT_WRITE_DONE) >= 0 && - ++succeeded >= 2) + ++succeeded >= 2) { + chip->saved_ac97_registers[codec][index / 2] = data; return; + } } snd_printk(KERN_ERR "AC'97 write timeout\n"); } diff --git a/sound/pci/oxygen/virtuoso.c b/sound/pci/oxygen/virtuoso.c index 4618a622a296..110786b2e3b8 100644 --- a/sound/pci/oxygen/virtuoso.c +++ b/sound/pci/oxygen/virtuoso.c @@ -132,6 +132,9 @@ struct xonar_data { u8 ext_power_int_reg; u8 ext_power_bit; u8 has_power; + u8 pcm1796_oversampling; + u8 cs4398_fm; + u8 cs4362a_fm; }; static void pcm1796_write(struct oxygen *chip, unsigned int codec, @@ -186,12 +189,13 @@ static void xonar_d2_init(struct oxygen *chip) data->anti_pop_delay = 300; data->output_enable_bit = GPIO_D2_OUTPUT_ENABLE; + data->pcm1796_oversampling = PCM1796_OS_64; for (i = 0; i < 4; ++i) { pcm1796_write(chip, i, 18, PCM1796_MUTE | PCM1796_DMF_DISABLED | PCM1796_FMT_24_LJUST | PCM1796_ATLD); pcm1796_write(chip, i, 19, PCM1796_FLT_SHARP | PCM1796_ATS_1); - pcm1796_write(chip, i, 20, PCM1796_OS_64); + pcm1796_write(chip, i, 20, data->pcm1796_oversampling); pcm1796_write(chip, i, 21, 0); pcm1796_write(chip, i, 16, 0x0f); /* set ATL/ATR after ATLD */ pcm1796_write(chip, i, 17, 0x0f); @@ -226,6 +230,9 @@ static void xonar_dx_init(struct oxygen *chip) data->ext_power_reg = OXYGEN_GPI_DATA; data->ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK; data->ext_power_bit = GPI_DX_EXT_POWER; + data->cs4398_fm = CS4398_FM_SINGLE | CS4398_DEM_NONE | CS4398_DIF_LJUST; + data->cs4362a_fm = CS4362A_FM_SINGLE | + CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L; oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS, OXYGEN_2WIRE_LENGTH_8 | @@ -236,8 +243,7 @@ static void xonar_dx_init(struct oxygen *chip) cs4398_write(chip, 8, CS4398_CPEN | CS4398_PDN); cs4362a_write(chip, 0x01, CS4362A_PDN | CS4362A_CPEN); /* configure */ - cs4398_write(chip, 2, CS4398_FM_SINGLE | - CS4398_DEM_NONE | CS4398_DIF_LJUST); + cs4398_write(chip, 2, data->cs4398_fm); cs4398_write(chip, 3, CS4398_ATAPI_B_R | CS4398_ATAPI_A_L); cs4398_write(chip, 4, CS4398_MUTEP_LOW | CS4398_PAMUTE); cs4398_write(chip, 5, 0xfe); @@ -249,16 +255,13 @@ static void xonar_dx_init(struct oxygen *chip) CS4362A_RMP_UP | CS4362A_ZERO_CROSS | CS4362A_SOFT_RAMP); cs4362a_write(chip, 0x04, CS4362A_RMP_DN | CS4362A_DEM_NONE); cs4362a_write(chip, 0x05, 0); - cs4362a_write(chip, 0x06, CS4362A_FM_SINGLE | - CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L); + cs4362a_write(chip, 0x06, data->cs4362a_fm); cs4362a_write(chip, 0x07, 0x7f | CS4362A_MUTE); cs4362a_write(chip, 0x08, 0x7f | CS4362A_MUTE); - cs4362a_write(chip, 0x09, CS4362A_FM_SINGLE | - CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L); + cs4362a_write(chip, 0x09, data->cs4362a_fm); cs4362a_write(chip, 0x0a, 0x7f | CS4362A_MUTE); cs4362a_write(chip, 0x0b, 0x7f | CS4362A_MUTE); - cs4362a_write(chip, 0x0c, CS4362A_FM_SINGLE | - CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L); + cs4362a_write(chip, 0x0c, data->cs4362a_fm); cs4362a_write(chip, 0x0d, 0x7f | CS4362A_MUTE); cs4362a_write(chip, 0x0e, 0x7f | CS4362A_MUTE); /* clear power down */ @@ -294,12 +297,13 @@ static void xonar_dx_cleanup(struct oxygen *chip) static void set_pcm1796_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { + struct xonar_data *data = chip->model_data; unsigned int i; - u8 value; - value = params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64; + data->pcm1796_oversampling = + params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64; for (i = 0; i < 4; ++i) - pcm1796_write(chip, i, 20, value); + pcm1796_write(chip, i, 20, data->pcm1796_oversampling); } static void update_pcm1796_volume(struct oxygen *chip) @@ -342,24 +346,24 @@ static void set_cs53x1_params(struct oxygen *chip, static void set_cs43xx_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { - u8 fm_cs4398, fm_cs4362a; + struct xonar_data *data = chip->model_data; - fm_cs4398 = CS4398_DEM_NONE | CS4398_DIF_LJUST; - fm_cs4362a = CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L; + data->cs4398_fm = CS4398_DEM_NONE | CS4398_DIF_LJUST; + data->cs4362a_fm = CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L; if (params_rate(params) <= 50000) { - fm_cs4398 |= CS4398_FM_SINGLE; - fm_cs4362a |= CS4362A_FM_SINGLE; + data->cs4398_fm |= CS4398_FM_SINGLE; + data->cs4362a_fm |= CS4362A_FM_SINGLE; } else if (params_rate(params) <= 100000) { - fm_cs4398 |= CS4398_FM_DOUBLE; - fm_cs4362a |= CS4362A_FM_DOUBLE; + data->cs4398_fm |= CS4398_FM_DOUBLE; + data->cs4362a_fm |= CS4362A_FM_DOUBLE; } else { - fm_cs4398 |= CS4398_FM_QUAD; - fm_cs4362a |= CS4362A_FM_QUAD; + data->cs4398_fm |= CS4398_FM_QUAD; + data->cs4362a_fm |= CS4362A_FM_QUAD; } - cs4398_write(chip, 2, fm_cs4398); - cs4362a_write(chip, 0x06, fm_cs4362a); - cs4362a_write(chip, 0x09, fm_cs4362a); - cs4362a_write(chip, 0x0c, fm_cs4362a); + cs4398_write(chip, 2, data->cs4398_fm); + cs4362a_write(chip, 0x06, data->cs4362a_fm); + cs4362a_write(chip, 0x09, data->cs4362a_fm); + cs4362a_write(chip, 0x0c, data->cs4362a_fm); } static void update_cs4362a_volumes(struct oxygen *chip)