diff options
Diffstat (limited to 'firmware/drivers')
| -rw-r--r-- | firmware/drivers/audio/wm8978.c | 95 |
1 files changed, 7 insertions, 88 deletions
diff --git a/firmware/drivers/audio/wm8978.c b/firmware/drivers/audio/wm8978.c index 6836d8c5e8..5bba19b996 100644 --- a/firmware/drivers/audio/wm8978.c +++ b/firmware/drivers/audio/wm8978.c @@ -505,88 +505,7 @@ void audiohw_close(void) void audiohw_set_frequency(int fsel) { - /* For 16.9344MHz MCLK, codec as master. */ - static const struct - { - uint32_t plln : 8; - uint32_t pllk1 : 6; - uint32_t pllk2 : 9; - uint32_t pllk3 : 9; - unsigned char mclkdiv; - unsigned char filter; - } srctrl_table[HW_NUM_FREQ] = - { - [HW_FREQ_8] = /* PLL = 65.536MHz */ - { - .plln = 7 | WMC_PLL_PRESCALE, - .pllk1 = 0x2f, /* 12414886 */ - .pllk2 = 0x0b7, - .pllk3 = 0x1a6, - .mclkdiv = WMC_MCLKDIV_8, /* 2.0480 MHz */ - .filter = WMC_SR_8KHZ, - }, - [HW_FREQ_11] = /* PLL = off */ - { - .mclkdiv = WMC_MCLKDIV_6, /* 2.8224 MHz */ - .filter = WMC_SR_12KHZ, - }, - [HW_FREQ_12] = /* PLL = 73.728 MHz */ - { - .plln = 8 | WMC_PLL_PRESCALE, - .pllk1 = 0x2d, /* 11869595 */ - .pllk2 = 0x08e, - .pllk3 = 0x19b, - .mclkdiv = WMC_MCLKDIV_6, /* 3.0720 MHz */ - .filter = WMC_SR_12KHZ, - }, - [HW_FREQ_16] = /* PLL = 65.536MHz */ - { - .plln = 7 | WMC_PLL_PRESCALE, - .pllk1 = 0x2f, /* 12414886 */ - .pllk2 = 0x0b7, - .pllk3 = 0x1a6, - .mclkdiv = WMC_MCLKDIV_4, /* 4.0960 MHz */ - .filter = WMC_SR_16KHZ, - }, - [HW_FREQ_22] = /* PLL = off */ - { - .mclkdiv = WMC_MCLKDIV_3, /* 5.6448 MHz */ - .filter = WMC_SR_24KHZ, - }, - [HW_FREQ_24] = /* PLL = 73.728 MHz */ - { - .plln = 8 | WMC_PLL_PRESCALE, - .pllk1 = 0x2d, /* 11869595 */ - .pllk2 = 0x08e, - .pllk3 = 0x19b, - .mclkdiv = WMC_MCLKDIV_3, /* 6.1440 MHz */ - .filter = WMC_SR_24KHZ, - }, - [HW_FREQ_32] = /* PLL = 65.536MHz */ - { - .plln = 7 | WMC_PLL_PRESCALE, - .pllk1 = 0x2f, /* 12414886 */ - .pllk2 = 0x0b7, - .pllk3 = 0x1a6, - .mclkdiv = WMC_MCLKDIV_2, /* 8.1920 MHz */ - .filter = WMC_SR_32KHZ, - }, - [HW_FREQ_44] = /* PLL = off */ - { - .mclkdiv = WMC_MCLKDIV_1_5, /* 11.2896 MHz */ - .filter = WMC_SR_48KHZ, - }, - [HW_FREQ_48] = /* PLL = 73.728 MHz */ - { - .plln = 8 | WMC_PLL_PRESCALE, - .pllk1 = 0x2d, /* 11869595 */ - .pllk2 = 0x08e, - .pllk3 = 0x19b, - .mclkdiv = WMC_MCLKDIV_1_5, /* 12.2880 MHz */ - .filter = WMC_SR_48KHZ, - }, - }; - + extern const struct wmc_srctrl_entry wmc_srctrl_table[HW_NUM_FREQ]; unsigned int plln; unsigned int mclkdiv; @@ -594,10 +513,10 @@ void audiohw_set_frequency(int fsel) fsel = HW_FREQ_DEFAULT; /* Setup filters. */ - wmc_write(WMC_ADDITIONAL_CTRL, srctrl_table[fsel].filter); + wmc_write(WMC_ADDITIONAL_CTRL, wmc_srctrl_table[fsel].filter); - plln = srctrl_table[fsel].plln; - mclkdiv = srctrl_table[fsel].mclkdiv; + plln = wmc_srctrl_table[fsel].plln; + mclkdiv = wmc_srctrl_table[fsel].mclkdiv; if (plln != 0) { @@ -605,9 +524,9 @@ void audiohw_set_frequency(int fsel) /* Program PLL. */ wmc_write(WMC_PLL_N, plln); - wmc_write(WMC_PLL_K1, srctrl_table[fsel].pllk1); - wmc_write(WMC_PLL_K2, srctrl_table[fsel].pllk2); - wmc_write(WMC_PLL_K3, srctrl_table[fsel].pllk3); + wmc_write(WMC_PLL_K1, wmc_srctrl_table[fsel].pllk1); + wmc_write(WMC_PLL_K2, wmc_srctrl_table[fsel].pllk2); + wmc_write(WMC_PLL_K3, wmc_srctrl_table[fsel].pllk3); /* Turn on PLL. */ wmc_set(WMC_POWER_MANAGEMENT1, WMC_PLLEN); |