diff options
Diffstat (limited to 'packages/linux/linux-ezx-2.6.23/patches/asoc-pxa-ssp.patch')
| -rw-r--r-- | packages/linux/linux-ezx-2.6.23/patches/asoc-pxa-ssp.patch | 755 |
1 files changed, 755 insertions, 0 deletions
diff --git a/packages/linux/linux-ezx-2.6.23/patches/asoc-pxa-ssp.patch b/packages/linux/linux-ezx-2.6.23/patches/asoc-pxa-ssp.patch new file mode 100644 index 0000000000..e53b61c352 --- /dev/null +++ b/packages/linux/linux-ezx-2.6.23/patches/asoc-pxa-ssp.patch @@ -0,0 +1,755 @@ +Index: linux-2.6.23/sound/soc/pxa/pxa2xx-ssp.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.23/sound/soc/pxa/pxa2xx-ssp.c 2007-10-22 22:27:11.000000000 +0200 +@@ -0,0 +1,671 @@ ++/* ++ * pxa2xx-ssp.c -- ALSA Soc Audio Layer ++ * ++ * Copyright 2005 Wolfson Microelectronics PLC. ++ * Author: Liam Girdwood ++ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ * ++ * Revision history ++ * 12th Aug 2005 Initial version. ++ * ++ * TODO: ++ * o The SSP driver _mostly_ works, however is in need of testing and ++ * someone with time to complete it. ++ * o Test network mode for > 16bit sample size ++ */ ++ ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> ++ ++#include <sound/driver.h> ++#include <sound/core.h> ++#include <sound/pcm.h> ++#include <sound/initval.h> ++#include <sound/pcm_params.h> ++#include <sound/soc.h> ++ ++#include <asm/hardware.h> ++#include <asm/arch/pxa-regs.h> ++#include <asm/arch/audio.h> ++#include <asm/arch/ssp.h> ++ ++#include "pxa2xx-pcm.h" ++#include "pxa2xx-ssp.h" ++ ++#define PXA_SSP_DEBUG 0 ++ ++/* ++ * The following should be defined in pxa-regs.h ++ */ ++#define SSCR0_ACS (1 << 30) /* Audio Clock Select */ ++#define SSACD_SCDB (1 << 3) /* SSPSYSCLK Divider Bypass (SSCR0[ACS] must be set) */ ++#define SSACD_ACPS(x) (x << 4) /* Audio clock PLL select */ ++#define SSACD_ACDS(x) (x << 0) /* Audio clock divider select */ ++ ++/* ++ * SSP audio private data ++ */ ++struct ssp_priv { ++ unsigned int sysclk; ++}; ++ ++static struct ssp_priv ssp_clk[3]; ++static struct ssp_dev ssp[3]; ++#ifdef CONFIG_PM ++static struct ssp_state ssp_state[3]; ++#endif ++ ++static struct pxa2xx_pcm_dma_params pxa2xx_ssp1_pcm_mono_out = { ++ .name = "SSP1 PCM Mono out", ++ .dev_addr = __PREG(SSDR_P1), ++ .drcmr = &DRCMRTXSSDR, ++ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | ++ DCMD_BURST16 | DCMD_WIDTH2, ++}; ++ ++static struct pxa2xx_pcm_dma_params pxa2xx_ssp1_pcm_mono_in = { ++ .name = "SSP1 PCM Mono in", ++ .dev_addr = __PREG(SSDR_P1), ++ .drcmr = &DRCMRRXSSDR, ++ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | ++ DCMD_BURST16 | DCMD_WIDTH2, ++}; ++ ++static struct pxa2xx_pcm_dma_params pxa2xx_ssp1_pcm_stereo_out = { ++ .name = "SSP1 PCM Stereo out", ++ .dev_addr = __PREG(SSDR_P1), ++ .drcmr = &DRCMRTXSSDR, ++ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | ++ DCMD_BURST16 | DCMD_WIDTH4, ++}; ++ ++static struct pxa2xx_pcm_dma_params pxa2xx_ssp1_pcm_stereo_in = { ++ .name = "SSP1 PCM Stereo in", ++ .dev_addr = __PREG(SSDR_P1), ++ .drcmr = &DRCMRRXSSDR, ++ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | ++ DCMD_BURST16 | DCMD_WIDTH4, ++}; ++ ++static struct pxa2xx_pcm_dma_params pxa2xx_ssp2_pcm_mono_out = { ++ .name = "SSP2 PCM Mono out", ++ .dev_addr = __PREG(SSDR_P2), ++ .drcmr = &DRCMRTXSS2DR, ++ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | ++ DCMD_BURST16 | DCMD_WIDTH2, ++}; ++ ++static struct pxa2xx_pcm_dma_params pxa2xx_ssp2_pcm_mono_in = { ++ .name = "SSP2 PCM Mono in", ++ .dev_addr = __PREG(SSDR_P2), ++ .drcmr = &DRCMRRXSS2DR, ++ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | ++ DCMD_BURST16 | DCMD_WIDTH2, ++}; ++ ++static struct pxa2xx_pcm_dma_params pxa2xx_ssp2_pcm_stereo_out = { ++ .name = "SSP2 PCM Stereo out", ++ .dev_addr = __PREG(SSDR_P2), ++ .drcmr = &DRCMRTXSS2DR, ++ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | ++ DCMD_BURST16 | DCMD_WIDTH4, ++}; ++ ++static struct pxa2xx_pcm_dma_params pxa2xx_ssp2_pcm_stereo_in = { ++ .name = "SSP2 PCM Stereo in", ++ .dev_addr = __PREG(SSDR_P2), ++ .drcmr = &DRCMRRXSS2DR, ++ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | ++ DCMD_BURST16 | DCMD_WIDTH4, ++}; ++ ++static struct pxa2xx_pcm_dma_params pxa2xx_ssp3_pcm_mono_out = { ++ .name = "SSP3 PCM Mono out", ++ .dev_addr = __PREG(SSDR_P3), ++ .drcmr = &DRCMRTXSS3DR, ++ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | ++ DCMD_BURST16 | DCMD_WIDTH2, ++}; ++ ++static struct pxa2xx_pcm_dma_params pxa2xx_ssp3_pcm_mono_in = { ++ .name = "SSP3 PCM Mono in", ++ .dev_addr = __PREG(SSDR_P3), ++ .drcmr = &DRCMRRXSS3DR, ++ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | ++ DCMD_BURST16 | DCMD_WIDTH2, ++}; ++ ++static struct pxa2xx_pcm_dma_params pxa2xx_ssp3_pcm_stereo_out = { ++ .name = "SSP3 PCM Stereo out", ++ .dev_addr = __PREG(SSDR_P3), ++ .drcmr = &DRCMRTXSS3DR, ++ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | ++ DCMD_BURST16 | DCMD_WIDTH4, ++}; ++ ++static struct pxa2xx_pcm_dma_params pxa2xx_ssp3_pcm_stereo_in = { ++ .name = "SSP3 PCM Stereo in", ++ .dev_addr = __PREG(SSDR_P3), ++ .drcmr = &DRCMRRXSS3DR, ++ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | ++ DCMD_BURST16 | DCMD_WIDTH4, ++}; ++ ++static struct pxa2xx_pcm_dma_params *ssp_dma_params[3][4] = { ++ {&pxa2xx_ssp1_pcm_mono_out, &pxa2xx_ssp1_pcm_mono_in, ++ &pxa2xx_ssp1_pcm_stereo_out,&pxa2xx_ssp1_pcm_stereo_in,}, ++ {&pxa2xx_ssp2_pcm_mono_out, &pxa2xx_ssp2_pcm_mono_in, ++ &pxa2xx_ssp2_pcm_stereo_out, &pxa2xx_ssp2_pcm_stereo_in,}, ++ {&pxa2xx_ssp3_pcm_mono_out, &pxa2xx_ssp3_pcm_mono_in, ++ &pxa2xx_ssp3_pcm_stereo_out,&pxa2xx_ssp3_pcm_stereo_in,}, ++}; ++ ++static int pxa2xx_ssp_startup(struct snd_pcm_substream *substream) ++{ ++ struct snd_soc_pcm_runtime *rtd = substream->private_data; ++ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai; ++ int ret = 0; ++ ++ if (!rtd->dai->cpu_dai->active) { ++ ret = ssp_init (&ssp[cpu_dai->id], cpu_dai->id + 1, ++ SSP_NO_IRQ); ++ if (ret < 0) ++ return ret; ++ ssp_disable(&ssp[cpu_dai->id]); ++ } ++ return ret; ++} ++ ++static void pxa2xx_ssp_shutdown(struct snd_pcm_substream *substream) ++{ ++ struct snd_soc_pcm_runtime *rtd = substream->private_data; ++ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai; ++ ++ if (!cpu_dai->active) { ++ ssp_disable(&ssp[cpu_dai->id]); ++ ssp_exit(&ssp[cpu_dai->id]); ++ } ++} ++ ++#if defined (CONFIG_PXA27x) ++static int cken[3] = {CKEN_SSP1, CKEN_SSP2, CKEN_SSP3}; ++#else ++static int cken[3] = {CKEN_SSP, CKEN_NSSP, CKEN_ASSP}; ++#endif ++ ++#ifdef CONFIG_PM ++ ++static int pxa2xx_ssp_suspend(struct platform_device *pdev, ++ struct snd_soc_cpu_dai *dai) ++{ ++ if (!dai->active) ++ return 0; ++ ++ ssp_save_state(&ssp[dai->id], &ssp_state[dai->id]); ++ pxa_set_cken(cken[dai->id], 0); ++ return 0; ++} ++ ++static int pxa2xx_ssp_resume(struct platform_device *pdev, ++ struct snd_soc_cpu_dai *dai) ++{ ++ if (!dai->active) ++ return 0; ++ ++ pxa_set_cken(cken[dai->id], 1); ++ ssp_restore_state(&ssp[dai->id], &ssp_state[dai->id]); ++ ssp_enable(&ssp[dai->id]); ++ ++ return 0; ++} ++ ++#else ++#define pxa2xx_ssp_suspend NULL ++#define pxa2xx_ssp_resume NULL ++#endif ++ ++/* ++ * Set the SSP ports SYSCLK. ++ */ ++static int pxa2xx_ssp_set_dai_sysclk(struct snd_soc_cpu_dai *cpu_dai, ++ int clk_id, unsigned int freq, int dir) ++{ ++ int port = cpu_dai->id + 1; ++ u32 sscr0 = SSCR0_P(port) & ++ ~(SSCR0_ECS | SSCR0_NCS | SSCR0_MOD | SSCR0_ACS); ++ ++ switch (clk_id) { ++ case PXA2XX_SSP_CLK_PLL: ++ /* Internal PLL is fixed on pxa25x and pxa27x */ ++#ifdef CONFIG_PXA27x ++ ssp_clk[cpu_dai->id].sysclk = 13000000; ++#else ++ ssp_clk[cpu_dai->id].sysclk = 1843200; ++#endif ++ break; ++ case PXA2XX_SSP_CLK_EXT: ++ ssp_clk[cpu_dai->id].sysclk = freq; ++ sscr0 |= SSCR0_ECS; ++ break; ++ case PXA2XX_SSP_CLK_NET: ++ ssp_clk[cpu_dai->id].sysclk = freq; ++ sscr0 |= SSCR0_NCS | SSCR0_MOD; ++ break; ++ case PXA2XX_SSP_CLK_AUDIO: ++ ssp_clk[cpu_dai->id].sysclk = 0; ++ SSCR0_P(port) |= SSCR0_SerClkDiv(1); ++ sscr0 |= SSCR0_ACS; ++ break; ++ default: ++ return -ENODEV; ++ } ++ ++ /* the SSP CKEN clock must be disabled when changing SSP clock mode */ ++ pxa_set_cken(cken[cpu_dai->id], 0); ++ SSCR0_P(port) |= sscr0; ++ pxa_set_cken(cken[cpu_dai->id], 1); ++ return 0; ++} ++ ++/* ++ * Set the SSP clock dividers. ++ */ ++static int pxa2xx_ssp_set_dai_clkdiv(struct snd_soc_cpu_dai *cpu_dai, ++ int div_id, int div) ++{ ++ int port = cpu_dai->id + 1; ++ ++ switch (div_id) { ++ case PXA2XX_SSP_AUDIO_DIV_ACDS: ++ SSACD_P(port) &= ~ 0x7; ++ SSACD_P(port) |= SSACD_ACDS(div); ++ break; ++ case PXA2XX_SSP_AUDIO_DIV_SCDB: ++ SSACD_P(port) &= ~0x8; ++ if (div == PXA2XX_SSP_CLK_SCDB_1) ++ SSACD_P(port) |= SSACD_SCDB; ++ break; ++ case PXA2XX_SSP_DIV_SCR: ++ SSCR0_P(port) &= ~SSCR0_SCR; ++ SSCR0_P(port) |= SSCR0_SerClkDiv(div); ++ break; ++ default: ++ return -ENODEV; ++ } ++ ++ return 0; ++} ++ ++/* ++ * Configure the PLL frequency pxa27x and (afaik - pxa320 only) ++ */ ++static int pxa2xx_ssp_set_dai_pll(struct snd_soc_cpu_dai *cpu_dai, ++ int pll_id, unsigned int freq_in, unsigned int freq_out) ++{ ++ int port = cpu_dai->id + 1; ++ ++ SSACD_P(port) &= ~0x70; ++ switch (freq_out) { ++ case 5622000: ++ break; ++ case 11345000: ++ SSACD_P(port) |= (0x1 << 4); ++ break; ++ case 12235000: ++ SSACD_P(port) |= (0x2 << 4); ++ break; ++ case 14857000: ++ SSACD_P(port) |= (0x3 << 4); ++ break; ++ case 32842000: ++ SSACD_P(port) |= (0x4 << 4); ++ break; ++ case 48000000: ++ SSACD_P(port) |= (0x5 << 4); ++ break; ++ } ++ return 0; ++} ++ ++/* ++ * Set the active slots in TDM/Network mode ++ */ ++static int pxa2xx_ssp_set_dai_tdm_slot(struct snd_soc_cpu_dai *cpu_dai, ++ unsigned int mask, int slots) ++{ ++ int port = cpu_dai->id + 1; ++ ++ SSCR0_P(port) &= ~SSCR0_SlotsPerFrm(7); ++ ++ /* set number of active slots */ ++ SSCR0_P(port) |= SSCR0_SlotsPerFrm(slots); ++ ++ /* set active slot mask */ ++ SSTSA_P(port) = mask; ++ SSRSA_P(port) = mask; ++ return 0; ++} ++ ++/* ++ * Tristate the SSP DAI lines ++ */ ++static int pxa2xx_ssp_set_dai_tristate(struct snd_soc_cpu_dai *cpu_dai, ++ int tristate) ++{ ++ int port = cpu_dai->id + 1; ++ ++ if (tristate) ++ SSCR1_P(port) &= ~SSCR1_TTE; ++ else ++ SSCR1_P(port) |= SSCR1_TTE; ++ ++ return 0; ++} ++ ++/* ++ * Set up the SSP DAI format. ++ * The SSP Port must be inactive before calling this function as the ++ * physical interface format is changed. ++ */ ++static int pxa2xx_ssp_set_dai_fmt(struct snd_soc_cpu_dai *cpu_dai, ++ unsigned int fmt) ++{ ++ int port = cpu_dai->id + 1; ++ ++ /* reset port settings */ ++ SSCR0_P(port) = 0; ++ SSCR1_P(port) = 0; ++ SSPSP_P(port) = 0; ++ ++ /* NOTE: I2S emulation is still very much work in progress here */ ++ ++ /* FIXME: this is what wince uses for msb */ ++ if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_MSB) { ++ SSCR0_P(port) = SSCR0_EDSS | SSCR0_TISSP | SSCR0_DataSize(16); ++ ++// SSCR1_P(port) = SSCR1_RxTresh(8) | SSCR1_TxTresh(8); /* doesn't seem to be needed */ ++ return 0; ++ } ++ ++ /* check for I2S emulation mode - handle it separately */ ++ if (((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_I2S) || ++ ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_MSB)) { ++ /* 8.4.11 */ ++ ++ /* Only SSCR0[NCS] or SSCR0[ECS] bit fields settings are optional */ ++ SSCR0_P(port) = SSCR0_EDSS | SSCR0_PSP | SSCR0_DataSize(16); ++ ++ /* SSCR1 = 0x203C3C03 */ ++ /* SSCR1[SCLKDIR] and SSCR1[SFRMDIR] must be cleared (master only ???), ++ * all other bit fields settings are optional. */ ++ //SSCR1_P(port) &= ~(SSCR1_SCLKDIR | SSCR1_SFRMDIR); ++ ++ /* set FIFO thresholds */ ++ SSCR1_P(port) = SSCR1_RxTresh(14) | SSCR1_TxTresh(1); ++ ++ /* normal: */ ++ /* all bit fields must be cleared except: FSRT = 1 and ++ * SFRMWDTH = 16, DMYSTART=0,1) */ ++ SSPSP_P(port) = SSPSP_FSRT | SSPSP_SFRMWDTH(16) | SSPSP_DMYSTRT(0); ++ return 0; ++ } ++ ++ SSCR0_P(port) |= SSCR0_PSP; ++ SSCR1_P(port) = SSCR1_RxTresh(14) | SSCR1_TxTresh(1) | ++ SSCR1_TRAIL | SSCR1_RWOT; ++ ++ switch(fmt & SND_SOC_DAIFMT_MASTER_MASK) { ++ case SND_SOC_DAIFMT_CBM_CFM: ++ SSCR1_P(port) |= (SSCR1_SCLKDIR | SSCR1_SFRMDIR); ++ break; ++ case SND_SOC_DAIFMT_CBM_CFS: ++ SSCR1_P(port) |= SSCR1_SCLKDIR; ++ break; ++ case SND_SOC_DAIFMT_CBS_CFM: ++ SSCR1_P(port) |= SSCR1_SFRMDIR; ++ break; ++ case SND_SOC_DAIFMT_CBS_CFS: ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ switch (fmt & SND_SOC_DAIFMT_INV_MASK) { ++ case SND_SOC_DAIFMT_NB_NF: ++ SSPSP_P(port) |= SSPSP_SFRMP | SSPSP_FSRT; ++ break; ++ case SND_SOC_DAIFMT_IB_IF: ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { ++ case SND_SOC_DAIFMT_DSP_A: ++ SSPSP_P(port) |= SSPSP_DMYSTRT(1); ++ case SND_SOC_DAIFMT_DSP_B: ++ SSPSP_P(port) |= SSPSP_SCMODE(2); ++ break; ++ case SND_SOC_DAIFMT_I2S: ++ case SND_SOC_DAIFMT_MSB: ++ /* handled above */ ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ return 0; ++} ++ ++/* ++ * Set the SSP audio DMA parameters and sample size. ++ * Can be called multiple times by oss emulation. ++ */ ++static int pxa2xx_ssp_hw_params(struct snd_pcm_substream *substream, ++ struct snd_pcm_hw_params *params) ++{ ++ struct snd_soc_pcm_runtime *rtd = substream->private_data; ++ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai; ++ int dma = 0, chn = params_channels(params); ++ int port = cpu_dai->id + 1; ++ ++ /* select correct DMA params */ ++ if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) ++ dma = 1; /* capture DMA offset is 1,3 */ ++ if (chn == 2) ++ dma += 2; /* stereo DMA offset is 2, mono is 0 */ ++ cpu_dai->dma_data = ssp_dma_params[cpu_dai->id][dma]; ++ ++ /* we can only change the settings if the port is not in use */ ++ if (SSCR0_P(port) & SSCR0_SSE) ++ return 0; ++ ++ /* clear selected SSP bits */ ++ SSCR0_P(port) &= ~(SSCR0_DSS | SSCR0_EDSS); ++ ++ /* bit size */ ++ switch(params_format(params)) { ++ case SNDRV_PCM_FORMAT_S16_LE: ++ SSCR0_P(port) |= SSCR0_DataSize(16); ++ break; ++ case SNDRV_PCM_FORMAT_S24_LE: ++ SSCR0_P(port) |=(SSCR0_EDSS | SSCR0_DataSize(8)); ++ /* we must be in network mode (2 slots) for 24 bit stereo */ ++ break; ++ case SNDRV_PCM_FORMAT_S32_LE: ++ SSCR0_P(port) |= (SSCR0_EDSS | SSCR0_DataSize(16)); ++ /* we must be in network mode (2 slots) for 32 bit stereo */ ++ break; ++ } ++ ++#if PXA_SSP_DEBUG ++ printk("SSCR0 %x SSCR1 %x SSTO %x SSPSP %x SSSR %x SSACD %x\n", ++ SSCR0_P(port), SSCR1_P(port), ++ SSTO_P(port), SSPSP_P(port), ++ SSSR_P(port), SSACD_P(port)); ++#endif ++ return 0; ++} ++ ++static int pxa2xx_ssp_trigger(struct snd_pcm_substream *substream, int cmd) ++{ ++ struct snd_soc_pcm_runtime *rtd = substream->private_data; ++ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai; ++ int ret = 0; ++ int port = cpu_dai->id + 1; ++ ++ switch (cmd) { ++ case SNDRV_PCM_TRIGGER_RESUME: ++ ssp_enable(&ssp[cpu_dai->id]); ++ break; ++ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: ++ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ++ SSCR1_P(port) |= SSCR1_TSRE; ++ else ++ SSCR1_P(port) |= SSCR1_RSRE; ++ SSSR_P(port) |= SSSR_P(port); ++ break; ++ case SNDRV_PCM_TRIGGER_START: ++ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ++ SSCR1_P(port) |= SSCR1_TSRE; ++ else ++ SSCR1_P(port) |= SSCR1_RSRE; ++ ssp_enable(&ssp[cpu_dai->id]); ++ break; ++ case SNDRV_PCM_TRIGGER_STOP: ++ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ++ SSCR1_P(port) &= ~SSCR1_TSRE; ++ else ++ SSCR1_P(port) &= ~SSCR1_RSRE; ++ break; ++ case SNDRV_PCM_TRIGGER_SUSPEND: ++ ssp_disable(&ssp[cpu_dai->id]); ++ break; ++ case SNDRV_PCM_TRIGGER_PAUSE_PUSH: ++ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ++ SSCR1_P(port) &= ~SSCR1_TSRE; ++ else ++ SSCR1_P(port) &= ~SSCR1_RSRE; ++ break; ++ ++ default: ++ ret = -EINVAL; ++ } ++#if PXA_SSP_DEBUG ++ printk("trig cmd %d\n", cmd); ++ printk("SSCR0 %x SSCR1 %x SSTO %x SSPSP %x SSSR %x\n", ++ SSCR0_P(port), SSCR1_P(port), ++ SSTO_P(port), SSPSP_P(port), ++ SSSR_P(port)); ++#endif ++ return ret; ++} ++ ++#define PXA2XX_SSP_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ ++ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ ++ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) ++ ++#define PXA2XX_SSP_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ ++ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) ++ ++struct snd_soc_cpu_dai pxa_ssp_dai[] = { ++ { .name = "pxa2xx-ssp1", ++ .id = 0, ++ .type = SND_SOC_DAI_PCM, ++ .suspend = pxa2xx_ssp_suspend, ++ .resume = pxa2xx_ssp_resume, ++ .playback = { ++ .channels_min = 1, ++ .channels_max = 2, ++ .rates = PXA2XX_SSP_RATES, ++ .formats = PXA2XX_SSP_FORMATS,}, ++ .capture = { ++ .channels_min = 1, ++ .channels_max = 2, ++ .rates = PXA2XX_SSP_RATES, ++ .formats = PXA2XX_SSP_FORMATS,}, ++ .ops = { ++ .startup = pxa2xx_ssp_startup, ++ .shutdown = pxa2xx_ssp_shutdown, ++ .trigger = pxa2xx_ssp_trigger, ++ .hw_params = pxa2xx_ssp_hw_params,}, ++ .dai_ops = { ++ .set_sysclk = pxa2xx_ssp_set_dai_sysclk, ++ .set_clkdiv = pxa2xx_ssp_set_dai_clkdiv, ++ .set_pll = pxa2xx_ssp_set_dai_pll, ++ .set_fmt = pxa2xx_ssp_set_dai_fmt, ++ .set_tdm_slot = pxa2xx_ssp_set_dai_tdm_slot, ++ .set_tristate = pxa2xx_ssp_set_dai_tristate, ++ }, ++ }, ++ { .name = "pxa2xx-ssp2", ++ .id = 1, ++ .type = SND_SOC_DAI_PCM, ++ .suspend = pxa2xx_ssp_suspend, ++ .resume = pxa2xx_ssp_resume, ++ .playback = { ++ .channels_min = 1, ++ .channels_max = 2, ++ .rates = PXA2XX_SSP_RATES, ++ .formats = PXA2XX_SSP_FORMATS,}, ++ .capture = { ++ .channels_min = 1, ++ .channels_max = 2, ++ .rates = PXA2XX_SSP_RATES, ++ .formats = PXA2XX_SSP_FORMATS,}, ++ .ops = { ++ .startup = pxa2xx_ssp_startup, ++ .shutdown = pxa2xx_ssp_shutdown, ++ .trigger = pxa2xx_ssp_trigger, ++ .hw_params = pxa2xx_ssp_hw_params,}, ++ .dai_ops = { ++ .set_sysclk = pxa2xx_ssp_set_dai_sysclk, ++ .set_clkdiv = pxa2xx_ssp_set_dai_clkdiv, ++ .set_pll = pxa2xx_ssp_set_dai_pll, ++ .set_fmt = pxa2xx_ssp_set_dai_fmt, ++ .set_tdm_slot = pxa2xx_ssp_set_dai_tdm_slot, ++ .set_tristate = pxa2xx_ssp_set_dai_tristate, ++ }, ++ }, ++ { .name = "pxa2xx-ssp3", ++ .id = 2, ++ .type = SND_SOC_DAI_PCM, ++ .suspend = pxa2xx_ssp_suspend, ++ .resume = pxa2xx_ssp_resume, ++ .playback = { ++ .channels_min = 1, ++ .channels_max = 2, ++ .rates = PXA2XX_SSP_RATES, ++ .formats = PXA2XX_SSP_FORMATS,}, ++ .capture = { ++ .channels_min = 1, ++ .channels_max = 2, ++ .rates = PXA2XX_SSP_RATES, ++ .formats = PXA2XX_SSP_FORMATS,}, ++ .ops = { ++ .startup = pxa2xx_ssp_startup, ++ .shutdown = pxa2xx_ssp_shutdown, ++ .trigger = pxa2xx_ssp_trigger, ++ .hw_params = pxa2xx_ssp_hw_params,}, ++ .dai_ops = { ++ .set_sysclk = pxa2xx_ssp_set_dai_sysclk, ++ .set_clkdiv = pxa2xx_ssp_set_dai_clkdiv, ++ .set_pll = pxa2xx_ssp_set_dai_pll, ++ .set_fmt = pxa2xx_ssp_set_dai_fmt, ++ .set_tdm_slot = pxa2xx_ssp_set_dai_tdm_slot, ++ .set_tristate = pxa2xx_ssp_set_dai_tristate, ++ }, ++ }, ++}; ++EXPORT_SYMBOL_GPL(pxa_ssp_dai); ++ ++/* Module information */ ++MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com"); ++MODULE_DESCRIPTION("pxa2xx SSP/PCM SoC Interface"); ++MODULE_LICENSE("GPL"); +Index: linux-2.6.23/sound/soc/pxa/pxa2xx-ssp.h +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.23/sound/soc/pxa/pxa2xx-ssp.h 2007-10-22 22:27:11.000000000 +0200 +@@ -0,0 +1,42 @@ ++/* ++ * linux/sound/arm/pxa2xx-ssp.h ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#ifndef _PXA2XX_SSP_H ++#define _PXA2XX_SSP_H ++ ++/* pxa2xx DAI SSP ID's */ ++#define PXA2XX_DAI_SSP1 0 ++#define PXA2XX_DAI_SSP2 1 ++#define PXA2XX_DAI_SSP3 2 ++ ++/* SSP clock sources */ ++#define PXA2XX_SSP_CLK_PLL 0 ++#define PXA2XX_SSP_CLK_EXT 1 ++#define PXA2XX_SSP_CLK_NET 2 ++#define PXA2XX_SSP_CLK_AUDIO 3 ++ ++/* SSP audio dividers */ ++#define PXA2XX_SSP_AUDIO_DIV_ACDS 0 ++#define PXA2XX_SSP_AUDIO_DIV_SCDB 1 ++#define PXA2XX_SSP_DIV_SCR 2 ++ ++/* SSP ACDS audio dividers values */ ++#define PXA2XX_SSP_CLK_AUDIO_DIV_1 0 ++#define PXA2XX_SSP_CLK_AUDIO_DIV_2 1 ++#define PXA2XX_SSP_CLK_AUDIO_DIV_4 2 ++#define PXA2XX_SSP_CLK_AUDIO_DIV_8 3 ++#define PXA2XX_SSP_CLK_AUDIO_DIV_16 4 ++#define PXA2XX_SSP_CLK_AUDIO_DIV_32 5 ++ ++/* SSP divider bypass */ ++#define PXA2XX_SSP_CLK_SCDB_4 0 ++#define PXA2XX_SSP_CLK_SCDB_1 1 ++ ++extern struct snd_soc_cpu_dai pxa_ssp_dai[3]; ++ ++#endif +Index: linux-2.6.23/sound/soc/pxa/Kconfig +=================================================================== +--- linux-2.6.23.orig/sound/soc/pxa/Kconfig 2007-10-10 09:38:42.000000000 +0200 ++++ linux-2.6.23/sound/soc/pxa/Kconfig 2007-10-22 22:27:11.000000000 +0200 +@@ -18,6 +18,10 @@ + config SND_PXA2XX_SOC_I2S + tristate + ++config SND_PXA2XX_SOC_SSP ++ tristate ++ select PXA_SSP ++ + config SND_PXA2XX_SOC_CORGI + tristate "SoC Audio support for Sharp Zaurus SL-C7x0" + depends on SND_PXA2XX_SOC && PXA_SHARP_C7xx +Index: linux-2.6.23/sound/soc/pxa/Makefile +=================================================================== +--- linux-2.6.23.orig/sound/soc/pxa/Makefile 2007-10-10 09:38:42.000000000 +0200 ++++ linux-2.6.23/sound/soc/pxa/Makefile 2007-10-22 22:27:11.000000000 +0200 +@@ -2,10 +2,12 @@ + snd-soc-pxa2xx-objs := pxa2xx-pcm.o + snd-soc-pxa2xx-ac97-objs := pxa2xx-ac97.o + snd-soc-pxa2xx-i2s-objs := pxa2xx-i2s.o ++snd-soc-pxa2xx-ssp-objs := pxa2xx-ssp.o + + obj-$(CONFIG_SND_PXA2XX_SOC) += snd-soc-pxa2xx.o + obj-$(CONFIG_SND_PXA2XX_SOC_AC97) += snd-soc-pxa2xx-ac97.o + obj-$(CONFIG_SND_PXA2XX_SOC_I2S) += snd-soc-pxa2xx-i2s.o ++obj-$(CONFIG_SND_PXA2XX_SOC_SSP) += snd-soc-pxa2xx-ssp.o + + # PXA Machine Support + snd-soc-corgi-objs := corgi.o |