1f9b95980Sapatard@mandriva.com /* 2f9b95980Sapatard@mandriva.com * kirkwood-i2s.c 3f9b95980Sapatard@mandriva.com * 4f9b95980Sapatard@mandriva.com * (c) 2010 Arnaud Patard <apatard@mandriva.com> 569737897SArnaud Patard (Rtp) * (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org> 6f9b95980Sapatard@mandriva.com * 7f9b95980Sapatard@mandriva.com * This program is free software; you can redistribute it and/or modify it 8f9b95980Sapatard@mandriva.com * under the terms of the GNU General Public License as published by the 9f9b95980Sapatard@mandriva.com * Free Software Foundation; either version 2 of the License, or (at your 10f9b95980Sapatard@mandriva.com * option) any later version. 11f9b95980Sapatard@mandriva.com */ 12f9b95980Sapatard@mandriva.com 13f9b95980Sapatard@mandriva.com #include <linux/init.h> 14f9b95980Sapatard@mandriva.com #include <linux/module.h> 15f9b95980Sapatard@mandriva.com #include <linux/platform_device.h> 16f9b95980Sapatard@mandriva.com #include <linux/io.h> 17f9b95980Sapatard@mandriva.com #include <linux/slab.h> 18f9b95980Sapatard@mandriva.com #include <linux/mbus.h> 19f9b95980Sapatard@mandriva.com #include <linux/delay.h> 20e919c716SAndrew Lunn #include <linux/clk.h> 21f9b95980Sapatard@mandriva.com #include <sound/pcm.h> 22f9b95980Sapatard@mandriva.com #include <sound/pcm_params.h> 23f9b95980Sapatard@mandriva.com #include <sound/soc.h> 24c02cecb9SArnd Bergmann #include <linux/platform_data/asoc-kirkwood.h> 25eb632318SJean-Francois Moine #include <linux/of.h> 26eb632318SJean-Francois Moine 27f9b95980Sapatard@mandriva.com #include "kirkwood.h" 28f9b95980Sapatard@mandriva.com 2964ddf1f8SRussell King #define DRV_NAME "mvebu-audio" 30f9b95980Sapatard@mandriva.com 31f9b95980Sapatard@mandriva.com #define KIRKWOOD_I2S_FORMATS \ 32f9b95980Sapatard@mandriva.com (SNDRV_PCM_FMTBIT_S16_LE | \ 33f9b95980Sapatard@mandriva.com SNDRV_PCM_FMTBIT_S24_LE | \ 34f9b95980Sapatard@mandriva.com SNDRV_PCM_FMTBIT_S32_LE) 35f9b95980Sapatard@mandriva.com 361c195ddbSJean-Francois Moine #define KIRKWOOD_SPDIF_FORMATS \ 371c195ddbSJean-Francois Moine (SNDRV_PCM_FMTBIT_S16_LE | \ 381c195ddbSJean-Francois Moine SNDRV_PCM_FMTBIT_S24_LE) 391c195ddbSJean-Francois Moine 40f9b95980Sapatard@mandriva.com static int kirkwood_i2s_set_fmt(struct snd_soc_dai *cpu_dai, 41f9b95980Sapatard@mandriva.com unsigned int fmt) 42f9b95980Sapatard@mandriva.com { 43f0fba2adSLiam Girdwood struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(cpu_dai); 44f9b95980Sapatard@mandriva.com unsigned long mask; 45f9b95980Sapatard@mandriva.com unsigned long value; 46f9b95980Sapatard@mandriva.com 47f9b95980Sapatard@mandriva.com switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 48f9b95980Sapatard@mandriva.com case SND_SOC_DAIFMT_RIGHT_J: 49f9b95980Sapatard@mandriva.com mask = KIRKWOOD_I2S_CTL_RJ; 50f9b95980Sapatard@mandriva.com break; 51f9b95980Sapatard@mandriva.com case SND_SOC_DAIFMT_LEFT_J: 52f9b95980Sapatard@mandriva.com mask = KIRKWOOD_I2S_CTL_LJ; 53f9b95980Sapatard@mandriva.com break; 54f9b95980Sapatard@mandriva.com case SND_SOC_DAIFMT_I2S: 55f9b95980Sapatard@mandriva.com mask = KIRKWOOD_I2S_CTL_I2S; 56f9b95980Sapatard@mandriva.com break; 57f9b95980Sapatard@mandriva.com default: 58f9b95980Sapatard@mandriva.com return -EINVAL; 59f9b95980Sapatard@mandriva.com } 60f9b95980Sapatard@mandriva.com 61f9b95980Sapatard@mandriva.com /* 62f9b95980Sapatard@mandriva.com * Set same format for playback and record 63f9b95980Sapatard@mandriva.com * This avoids some troubles. 64f9b95980Sapatard@mandriva.com */ 65f9b95980Sapatard@mandriva.com value = readl(priv->io+KIRKWOOD_I2S_PLAYCTL); 66f9b95980Sapatard@mandriva.com value &= ~KIRKWOOD_I2S_CTL_JUST_MASK; 67f9b95980Sapatard@mandriva.com value |= mask; 68f9b95980Sapatard@mandriva.com writel(value, priv->io+KIRKWOOD_I2S_PLAYCTL); 69f9b95980Sapatard@mandriva.com 70f9b95980Sapatard@mandriva.com value = readl(priv->io+KIRKWOOD_I2S_RECCTL); 71f9b95980Sapatard@mandriva.com value &= ~KIRKWOOD_I2S_CTL_JUST_MASK; 72f9b95980Sapatard@mandriva.com value |= mask; 73f9b95980Sapatard@mandriva.com writel(value, priv->io+KIRKWOOD_I2S_RECCTL); 74f9b95980Sapatard@mandriva.com 75f9b95980Sapatard@mandriva.com return 0; 76f9b95980Sapatard@mandriva.com } 77f9b95980Sapatard@mandriva.com 78f9b95980Sapatard@mandriva.com static inline void kirkwood_set_dco(void __iomem *io, unsigned long rate) 79f9b95980Sapatard@mandriva.com { 80f9b95980Sapatard@mandriva.com unsigned long value; 81f9b95980Sapatard@mandriva.com 82f9b95980Sapatard@mandriva.com value = KIRKWOOD_DCO_CTL_OFFSET_0; 83f9b95980Sapatard@mandriva.com switch (rate) { 84f9b95980Sapatard@mandriva.com default: 85f9b95980Sapatard@mandriva.com case 44100: 86f9b95980Sapatard@mandriva.com value |= KIRKWOOD_DCO_CTL_FREQ_11; 87f9b95980Sapatard@mandriva.com break; 88f9b95980Sapatard@mandriva.com case 48000: 89f9b95980Sapatard@mandriva.com value |= KIRKWOOD_DCO_CTL_FREQ_12; 90f9b95980Sapatard@mandriva.com break; 91f9b95980Sapatard@mandriva.com case 96000: 92f9b95980Sapatard@mandriva.com value |= KIRKWOOD_DCO_CTL_FREQ_24; 93f9b95980Sapatard@mandriva.com break; 94f9b95980Sapatard@mandriva.com } 95f9b95980Sapatard@mandriva.com writel(value, io + KIRKWOOD_DCO_CTL); 96f9b95980Sapatard@mandriva.com 97f9b95980Sapatard@mandriva.com /* wait for dco locked */ 98f9b95980Sapatard@mandriva.com do { 99f9b95980Sapatard@mandriva.com cpu_relax(); 100f9b95980Sapatard@mandriva.com value = readl(io + KIRKWOOD_DCO_SPCR_STATUS); 1012424d458SRussell King value &= KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK; 102f9b95980Sapatard@mandriva.com } while (value == 0); 103f9b95980Sapatard@mandriva.com } 104f9b95980Sapatard@mandriva.com 105363589bfSRussell King static void kirkwood_set_rate(struct snd_soc_dai *dai, 106363589bfSRussell King struct kirkwood_dma_data *priv, unsigned long rate) 107363589bfSRussell King { 108363589bfSRussell King uint32_t clks_ctrl; 109363589bfSRussell King 1101f1b6579SJean-Francois Moine if (IS_ERR(priv->extclk)) { 1118a537f85SJean-Francois Moine /* use internal dco for the supported rates 1128a537f85SJean-Francois Moine * defined in kirkwood_i2s_dai */ 113363589bfSRussell King dev_dbg(dai->dev, "%s: dco set rate = %lu\n", 114363589bfSRussell King __func__, rate); 115363589bfSRussell King kirkwood_set_dco(priv->io, rate); 116363589bfSRussell King 117363589bfSRussell King clks_ctrl = KIRKWOOD_MCLK_SOURCE_DCO; 1188a537f85SJean-Francois Moine } else { 1198a537f85SJean-Francois Moine /* use the external clock for the other rates 1208a537f85SJean-Francois Moine * defined in kirkwood_i2s_dai_extclk */ 121363589bfSRussell King dev_dbg(dai->dev, "%s: extclk set rate = %lu -> %lu\n", 122363589bfSRussell King __func__, rate, 256 * rate); 123363589bfSRussell King clk_set_rate(priv->extclk, 256 * rate); 124363589bfSRussell King 125363589bfSRussell King clks_ctrl = KIRKWOOD_MCLK_SOURCE_EXTCLK; 126363589bfSRussell King } 127363589bfSRussell King writel(clks_ctrl, priv->io + KIRKWOOD_CLOCKS_CTRL); 128363589bfSRussell King } 129363589bfSRussell King 130f0fba2adSLiam Girdwood static int kirkwood_i2s_startup(struct snd_pcm_substream *substream, 131f0fba2adSLiam Girdwood struct snd_soc_dai *dai) 132f0fba2adSLiam Girdwood { 133f0fba2adSLiam Girdwood struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai); 134f0fba2adSLiam Girdwood 135f0fba2adSLiam Girdwood snd_soc_dai_set_dma_data(dai, substream, priv); 136f0fba2adSLiam Girdwood return 0; 137f0fba2adSLiam Girdwood } 138f0fba2adSLiam Girdwood 139f9b95980Sapatard@mandriva.com static int kirkwood_i2s_hw_params(struct snd_pcm_substream *substream, 140f9b95980Sapatard@mandriva.com struct snd_pcm_hw_params *params, 141f9b95980Sapatard@mandriva.com struct snd_soc_dai *dai) 142f9b95980Sapatard@mandriva.com { 143f0fba2adSLiam Girdwood struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai); 144d8d11ba5SRussell King uint32_t ctl_play, ctl_rec; 145d8d11ba5SRussell King unsigned int i2s_reg; 146d8d11ba5SRussell King unsigned long i2s_value; 147f9b95980Sapatard@mandriva.com 148f9b95980Sapatard@mandriva.com if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 149f9b95980Sapatard@mandriva.com i2s_reg = KIRKWOOD_I2S_PLAYCTL; 150f9b95980Sapatard@mandriva.com } else { 151f9b95980Sapatard@mandriva.com i2s_reg = KIRKWOOD_I2S_RECCTL; 152f9b95980Sapatard@mandriva.com } 153f9b95980Sapatard@mandriva.com 154363589bfSRussell King kirkwood_set_rate(dai, priv, params_rate(params)); 155f9b95980Sapatard@mandriva.com 156f9b95980Sapatard@mandriva.com i2s_value = readl(priv->io+i2s_reg); 157f9b95980Sapatard@mandriva.com i2s_value &= ~KIRKWOOD_I2S_CTL_SIZE_MASK; 158f9b95980Sapatard@mandriva.com 159f9b95980Sapatard@mandriva.com /* 160f9b95980Sapatard@mandriva.com * Size settings in play/rec i2s control regs and play/rec control 161f9b95980Sapatard@mandriva.com * regs must be the same. 162f9b95980Sapatard@mandriva.com */ 163f9b95980Sapatard@mandriva.com switch (params_format(params)) { 164f9b95980Sapatard@mandriva.com case SNDRV_PCM_FORMAT_S16_LE: 165f9b95980Sapatard@mandriva.com i2s_value |= KIRKWOOD_I2S_CTL_SIZE_16; 166d8d11ba5SRussell King ctl_play = KIRKWOOD_PLAYCTL_SIZE_16_C | 16775b9b65eSJean-Francois Moine KIRKWOOD_PLAYCTL_I2S_EN | 16875b9b65eSJean-Francois Moine KIRKWOOD_PLAYCTL_SPDIF_EN; 169d8d11ba5SRussell King ctl_rec = KIRKWOOD_RECCTL_SIZE_16_C | 17075b9b65eSJean-Francois Moine KIRKWOOD_RECCTL_I2S_EN | 17175b9b65eSJean-Francois Moine KIRKWOOD_RECCTL_SPDIF_EN; 172f9b95980Sapatard@mandriva.com break; 173f9b95980Sapatard@mandriva.com /* 174f9b95980Sapatard@mandriva.com * doesn't work... S20_3LE != kirkwood 20bit format ? 175f9b95980Sapatard@mandriva.com * 176f9b95980Sapatard@mandriva.com case SNDRV_PCM_FORMAT_S20_3LE: 177f9b95980Sapatard@mandriva.com i2s_value |= KIRKWOOD_I2S_CTL_SIZE_20; 178d8d11ba5SRussell King ctl_play = KIRKWOOD_PLAYCTL_SIZE_20 | 179d8d11ba5SRussell King KIRKWOOD_PLAYCTL_I2S_EN; 180d8d11ba5SRussell King ctl_rec = KIRKWOOD_RECCTL_SIZE_20 | 181d8d11ba5SRussell King KIRKWOOD_RECCTL_I2S_EN; 182f9b95980Sapatard@mandriva.com break; 183f9b95980Sapatard@mandriva.com */ 184f9b95980Sapatard@mandriva.com case SNDRV_PCM_FORMAT_S24_LE: 185f9b95980Sapatard@mandriva.com i2s_value |= KIRKWOOD_I2S_CTL_SIZE_24; 186d8d11ba5SRussell King ctl_play = KIRKWOOD_PLAYCTL_SIZE_24 | 18775b9b65eSJean-Francois Moine KIRKWOOD_PLAYCTL_I2S_EN | 18875b9b65eSJean-Francois Moine KIRKWOOD_PLAYCTL_SPDIF_EN; 189d8d11ba5SRussell King ctl_rec = KIRKWOOD_RECCTL_SIZE_24 | 19075b9b65eSJean-Francois Moine KIRKWOOD_RECCTL_I2S_EN | 19175b9b65eSJean-Francois Moine KIRKWOOD_RECCTL_SPDIF_EN; 192f9b95980Sapatard@mandriva.com break; 193f9b95980Sapatard@mandriva.com case SNDRV_PCM_FORMAT_S32_LE: 194f9b95980Sapatard@mandriva.com i2s_value |= KIRKWOOD_I2S_CTL_SIZE_32; 195d8d11ba5SRussell King ctl_play = KIRKWOOD_PLAYCTL_SIZE_32 | 196d8d11ba5SRussell King KIRKWOOD_PLAYCTL_I2S_EN; 197d8d11ba5SRussell King ctl_rec = KIRKWOOD_RECCTL_SIZE_32 | 198d8d11ba5SRussell King KIRKWOOD_RECCTL_I2S_EN; 199f9b95980Sapatard@mandriva.com break; 200f9b95980Sapatard@mandriva.com default: 201f9b95980Sapatard@mandriva.com return -EINVAL; 202f9b95980Sapatard@mandriva.com } 203dfe4c936Sarnaud.patard@rtp-net.org 204dfe4c936Sarnaud.patard@rtp-net.org if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 205dfe4c936Sarnaud.patard@rtp-net.org if (params_channels(params) == 1) 206d8d11ba5SRussell King ctl_play |= KIRKWOOD_PLAYCTL_MONO_BOTH; 207dfe4c936Sarnaud.patard@rtp-net.org else 208d8d11ba5SRussell King ctl_play |= KIRKWOOD_PLAYCTL_MONO_OFF; 209d8d11ba5SRussell King 210d8d11ba5SRussell King priv->ctl_play &= ~(KIRKWOOD_PLAYCTL_MONO_MASK | 211db43b16fSRussell King KIRKWOOD_PLAYCTL_ENABLE_MASK | 212d8d11ba5SRussell King KIRKWOOD_PLAYCTL_SIZE_MASK); 213d8d11ba5SRussell King priv->ctl_play |= ctl_play; 214d8d11ba5SRussell King } else { 21567721906SRussell King priv->ctl_rec &= ~(KIRKWOOD_RECCTL_ENABLE_MASK | 21667721906SRussell King KIRKWOOD_RECCTL_SIZE_MASK); 217d8d11ba5SRussell King priv->ctl_rec |= ctl_rec; 218dfe4c936Sarnaud.patard@rtp-net.org } 219dfe4c936Sarnaud.patard@rtp-net.org 220f9b95980Sapatard@mandriva.com writel(i2s_value, priv->io+i2s_reg); 221f9b95980Sapatard@mandriva.com 222f9b95980Sapatard@mandriva.com return 0; 223f9b95980Sapatard@mandriva.com } 224f9b95980Sapatard@mandriva.com 225*2fbc3821SRussell King static unsigned kirkwood_i2s_play_mute(unsigned ctl) 226*2fbc3821SRussell King { 227*2fbc3821SRussell King if (!(ctl & KIRKWOOD_PLAYCTL_I2S_EN)) 228*2fbc3821SRussell King ctl |= KIRKWOOD_PLAYCTL_I2S_MUTE; 229*2fbc3821SRussell King if (!(ctl & KIRKWOOD_PLAYCTL_SPDIF_EN)) 230*2fbc3821SRussell King ctl |= KIRKWOOD_PLAYCTL_SPDIF_MUTE; 231*2fbc3821SRussell King return ctl; 232*2fbc3821SRussell King } 233*2fbc3821SRussell King 234f9b95980Sapatard@mandriva.com static int kirkwood_i2s_play_trigger(struct snd_pcm_substream *substream, 235f9b95980Sapatard@mandriva.com int cmd, struct snd_soc_dai *dai) 236f9b95980Sapatard@mandriva.com { 237f0fba2adSLiam Girdwood struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai); 238982b604bSRussell King uint32_t ctl, value; 239f9b95980Sapatard@mandriva.com 240982b604bSRussell King ctl = readl(priv->io + KIRKWOOD_PLAYCTL); 241982b604bSRussell King if (ctl & KIRKWOOD_PLAYCTL_PAUSE) { 242982b604bSRussell King unsigned timeout = 5000; 243f9b95980Sapatard@mandriva.com /* 244982b604bSRussell King * The Armada510 spec says that if we enter pause mode, the 245982b604bSRussell King * busy bit must be read back as clear _twice_. Make sure 246982b604bSRussell King * we respect that otherwise we get DMA underruns. 247f9b95980Sapatard@mandriva.com */ 248982b604bSRussell King do { 249982b604bSRussell King value = ctl; 250982b604bSRussell King ctl = readl(priv->io + KIRKWOOD_PLAYCTL); 251982b604bSRussell King if (!((ctl | value) & KIRKWOOD_PLAYCTL_PLAY_BUSY)) 252982b604bSRussell King break; 253982b604bSRussell King udelay(1); 254982b604bSRussell King } while (timeout--); 255982b604bSRussell King 256982b604bSRussell King if ((ctl | value) & KIRKWOOD_PLAYCTL_PLAY_BUSY) 257982b604bSRussell King dev_notice(dai->dev, "timed out waiting for busy to deassert: %08x\n", 258982b604bSRussell King ctl); 259982b604bSRussell King } 260f9b95980Sapatard@mandriva.com 2614f6f1478SJean-Francois Moine switch (cmd) { 2624f6f1478SJean-Francois Moine case SNDRV_PCM_TRIGGER_START: 2634f6f1478SJean-Francois Moine /* configure */ 2644f6f1478SJean-Francois Moine ctl = priv->ctl_play; 26575b9b65eSJean-Francois Moine if (dai->id == 0) 26675b9b65eSJean-Francois Moine ctl &= ~KIRKWOOD_PLAYCTL_SPDIF_EN; /* i2s */ 26775b9b65eSJean-Francois Moine else 26875b9b65eSJean-Francois Moine ctl &= ~KIRKWOOD_PLAYCTL_I2S_EN; /* spdif */ 269*2fbc3821SRussell King ctl = kirkwood_i2s_play_mute(ctl); 270db43b16fSRussell King value = ctl & ~KIRKWOOD_PLAYCTL_ENABLE_MASK; 271d8d11ba5SRussell King writel(value, priv->io + KIRKWOOD_PLAYCTL); 272d8d11ba5SRussell King 273d8d11ba5SRussell King /* enable interrupts */ 274f9b95980Sapatard@mandriva.com value = readl(priv->io + KIRKWOOD_INT_MASK); 275f9b95980Sapatard@mandriva.com value |= KIRKWOOD_INT_CAUSE_PLAY_BYTES; 276f9b95980Sapatard@mandriva.com writel(value, priv->io + KIRKWOOD_INT_MASK); 277f9b95980Sapatard@mandriva.com 278d8d11ba5SRussell King /* enable playback */ 279982b604bSRussell King writel(ctl, priv->io + KIRKWOOD_PLAYCTL); 280f9b95980Sapatard@mandriva.com break; 281f9b95980Sapatard@mandriva.com 282f9b95980Sapatard@mandriva.com case SNDRV_PCM_TRIGGER_STOP: 283f9b95980Sapatard@mandriva.com /* stop audio, disable interrupts */ 28475b9b65eSJean-Francois Moine ctl |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE | 28575b9b65eSJean-Francois Moine KIRKWOOD_PLAYCTL_SPDIF_MUTE; 286982b604bSRussell King writel(ctl, priv->io + KIRKWOOD_PLAYCTL); 287f9b95980Sapatard@mandriva.com 288f9b95980Sapatard@mandriva.com value = readl(priv->io + KIRKWOOD_INT_MASK); 289f9b95980Sapatard@mandriva.com value &= ~KIRKWOOD_INT_CAUSE_PLAY_BYTES; 290f9b95980Sapatard@mandriva.com writel(value, priv->io + KIRKWOOD_INT_MASK); 291f9b95980Sapatard@mandriva.com 292f9b95980Sapatard@mandriva.com /* disable all playbacks */ 293db43b16fSRussell King ctl &= ~KIRKWOOD_PLAYCTL_ENABLE_MASK; 294982b604bSRussell King writel(ctl, priv->io + KIRKWOOD_PLAYCTL); 295f9b95980Sapatard@mandriva.com break; 296f9b95980Sapatard@mandriva.com 297f9b95980Sapatard@mandriva.com case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 298f9b95980Sapatard@mandriva.com case SNDRV_PCM_TRIGGER_SUSPEND: 29975b9b65eSJean-Francois Moine ctl |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE | 30075b9b65eSJean-Francois Moine KIRKWOOD_PLAYCTL_SPDIF_MUTE; 301982b604bSRussell King writel(ctl, priv->io + KIRKWOOD_PLAYCTL); 302f9b95980Sapatard@mandriva.com break; 303f9b95980Sapatard@mandriva.com 304f9b95980Sapatard@mandriva.com case SNDRV_PCM_TRIGGER_RESUME: 305f9b95980Sapatard@mandriva.com case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 30675b9b65eSJean-Francois Moine ctl &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE | 30775b9b65eSJean-Francois Moine KIRKWOOD_PLAYCTL_SPDIF_MUTE); 308*2fbc3821SRussell King ctl = kirkwood_i2s_play_mute(ctl); 309982b604bSRussell King writel(ctl, priv->io + KIRKWOOD_PLAYCTL); 310f9b95980Sapatard@mandriva.com break; 311f9b95980Sapatard@mandriva.com 312f9b95980Sapatard@mandriva.com default: 313f9b95980Sapatard@mandriva.com return -EINVAL; 314f9b95980Sapatard@mandriva.com } 315f9b95980Sapatard@mandriva.com 316f9b95980Sapatard@mandriva.com return 0; 317f9b95980Sapatard@mandriva.com } 318f9b95980Sapatard@mandriva.com 319f9b95980Sapatard@mandriva.com static int kirkwood_i2s_rec_trigger(struct snd_pcm_substream *substream, 320f9b95980Sapatard@mandriva.com int cmd, struct snd_soc_dai *dai) 321f9b95980Sapatard@mandriva.com { 322f0fba2adSLiam Girdwood struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai); 323d8d11ba5SRussell King uint32_t ctl, value; 324f9b95980Sapatard@mandriva.com 325f9b95980Sapatard@mandriva.com value = readl(priv->io + KIRKWOOD_RECCTL); 326f9b95980Sapatard@mandriva.com 327f9b95980Sapatard@mandriva.com switch (cmd) { 328f9b95980Sapatard@mandriva.com case SNDRV_PCM_TRIGGER_START: 329d8d11ba5SRussell King /* configure */ 330d8d11ba5SRussell King ctl = priv->ctl_rec; 33175b9b65eSJean-Francois Moine if (dai->id == 0) 33275b9b65eSJean-Francois Moine ctl &= ~KIRKWOOD_RECCTL_SPDIF_EN; /* i2s */ 33375b9b65eSJean-Francois Moine else 33475b9b65eSJean-Francois Moine ctl &= ~KIRKWOOD_RECCTL_I2S_EN; /* spdif */ 33575b9b65eSJean-Francois Moine 33652b896cfSRussell King value = ctl & ~KIRKWOOD_RECCTL_ENABLE_MASK; 337d8d11ba5SRussell King writel(value, priv->io + KIRKWOOD_RECCTL); 338d8d11ba5SRussell King 339d8d11ba5SRussell King /* enable interrupts */ 340f9b95980Sapatard@mandriva.com value = readl(priv->io + KIRKWOOD_INT_MASK); 341f9b95980Sapatard@mandriva.com value |= KIRKWOOD_INT_CAUSE_REC_BYTES; 342f9b95980Sapatard@mandriva.com writel(value, priv->io + KIRKWOOD_INT_MASK); 343f9b95980Sapatard@mandriva.com 344d8d11ba5SRussell King /* enable record */ 345d8d11ba5SRussell King writel(ctl, priv->io + KIRKWOOD_RECCTL); 346f9b95980Sapatard@mandriva.com break; 347f9b95980Sapatard@mandriva.com 348f9b95980Sapatard@mandriva.com case SNDRV_PCM_TRIGGER_STOP: 349f9b95980Sapatard@mandriva.com /* stop audio, disable interrupts */ 350f9b95980Sapatard@mandriva.com value = readl(priv->io + KIRKWOOD_RECCTL); 351b424ec95Sarnaud.patard@rtp-net.org value |= KIRKWOOD_RECCTL_PAUSE | KIRKWOOD_RECCTL_MUTE; 352f9b95980Sapatard@mandriva.com writel(value, priv->io + KIRKWOOD_RECCTL); 353f9b95980Sapatard@mandriva.com 354f9b95980Sapatard@mandriva.com value = readl(priv->io + KIRKWOOD_INT_MASK); 355f9b95980Sapatard@mandriva.com value &= ~KIRKWOOD_INT_CAUSE_REC_BYTES; 356f9b95980Sapatard@mandriva.com writel(value, priv->io + KIRKWOOD_INT_MASK); 357f9b95980Sapatard@mandriva.com 358f9b95980Sapatard@mandriva.com /* disable all records */ 359f9b95980Sapatard@mandriva.com value = readl(priv->io + KIRKWOOD_RECCTL); 36052b896cfSRussell King value &= ~KIRKWOOD_RECCTL_ENABLE_MASK; 361f9b95980Sapatard@mandriva.com writel(value, priv->io + KIRKWOOD_RECCTL); 362f9b95980Sapatard@mandriva.com break; 363f9b95980Sapatard@mandriva.com 364f9b95980Sapatard@mandriva.com case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 365f9b95980Sapatard@mandriva.com case SNDRV_PCM_TRIGGER_SUSPEND: 366f9b95980Sapatard@mandriva.com value = readl(priv->io + KIRKWOOD_RECCTL); 367b424ec95Sarnaud.patard@rtp-net.org value |= KIRKWOOD_RECCTL_PAUSE | KIRKWOOD_RECCTL_MUTE; 368f9b95980Sapatard@mandriva.com writel(value, priv->io + KIRKWOOD_RECCTL); 369f9b95980Sapatard@mandriva.com break; 370f9b95980Sapatard@mandriva.com 371f9b95980Sapatard@mandriva.com case SNDRV_PCM_TRIGGER_RESUME: 372f9b95980Sapatard@mandriva.com case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 373f9b95980Sapatard@mandriva.com value = readl(priv->io + KIRKWOOD_RECCTL); 374b424ec95Sarnaud.patard@rtp-net.org value &= ~(KIRKWOOD_RECCTL_PAUSE | KIRKWOOD_RECCTL_MUTE); 375f9b95980Sapatard@mandriva.com writel(value, priv->io + KIRKWOOD_RECCTL); 376f9b95980Sapatard@mandriva.com break; 377f9b95980Sapatard@mandriva.com 378f9b95980Sapatard@mandriva.com default: 379f9b95980Sapatard@mandriva.com return -EINVAL; 380f9b95980Sapatard@mandriva.com } 381f9b95980Sapatard@mandriva.com 382f9b95980Sapatard@mandriva.com return 0; 383f9b95980Sapatard@mandriva.com } 384f9b95980Sapatard@mandriva.com 385f9b95980Sapatard@mandriva.com static int kirkwood_i2s_trigger(struct snd_pcm_substream *substream, int cmd, 386f9b95980Sapatard@mandriva.com struct snd_soc_dai *dai) 387f9b95980Sapatard@mandriva.com { 388f9b95980Sapatard@mandriva.com if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 389f9b95980Sapatard@mandriva.com return kirkwood_i2s_play_trigger(substream, cmd, dai); 390f9b95980Sapatard@mandriva.com else 391f9b95980Sapatard@mandriva.com return kirkwood_i2s_rec_trigger(substream, cmd, dai); 392f9b95980Sapatard@mandriva.com 393f9b95980Sapatard@mandriva.com return 0; 394f9b95980Sapatard@mandriva.com } 395f9b95980Sapatard@mandriva.com 39675b9b65eSJean-Francois Moine static int kirkwood_i2s_init(struct kirkwood_dma_data *priv) 397f9b95980Sapatard@mandriva.com { 398f9b95980Sapatard@mandriva.com unsigned long value; 399f9b95980Sapatard@mandriva.com unsigned int reg_data; 400f9b95980Sapatard@mandriva.com 401f9b95980Sapatard@mandriva.com /* put system in a "safe" state : */ 402f9b95980Sapatard@mandriva.com /* disable audio interrupts */ 403f9b95980Sapatard@mandriva.com writel(0xffffffff, priv->io + KIRKWOOD_INT_CAUSE); 404f9b95980Sapatard@mandriva.com writel(0, priv->io + KIRKWOOD_INT_MASK); 405f9b95980Sapatard@mandriva.com 406f9b95980Sapatard@mandriva.com reg_data = readl(priv->io + 0x1200); 407f9b95980Sapatard@mandriva.com reg_data &= (~(0x333FF8)); 408f9b95980Sapatard@mandriva.com reg_data |= 0x111D18; 409f9b95980Sapatard@mandriva.com writel(reg_data, priv->io + 0x1200); 410f9b95980Sapatard@mandriva.com 411f9b95980Sapatard@mandriva.com msleep(500); 412f9b95980Sapatard@mandriva.com 413f9b95980Sapatard@mandriva.com reg_data = readl(priv->io + 0x1200); 414f9b95980Sapatard@mandriva.com reg_data &= (~(0x333FF8)); 415f9b95980Sapatard@mandriva.com reg_data |= 0x111D18; 416f9b95980Sapatard@mandriva.com writel(reg_data, priv->io + 0x1200); 417f9b95980Sapatard@mandriva.com 418f9b95980Sapatard@mandriva.com /* disable playback/record */ 419f9b95980Sapatard@mandriva.com value = readl(priv->io + KIRKWOOD_PLAYCTL); 420db43b16fSRussell King value &= ~KIRKWOOD_PLAYCTL_ENABLE_MASK; 421f9b95980Sapatard@mandriva.com writel(value, priv->io + KIRKWOOD_PLAYCTL); 422f9b95980Sapatard@mandriva.com 423f9b95980Sapatard@mandriva.com value = readl(priv->io + KIRKWOOD_RECCTL); 42452b896cfSRussell King value &= ~KIRKWOOD_RECCTL_ENABLE_MASK; 425f9b95980Sapatard@mandriva.com writel(value, priv->io + KIRKWOOD_RECCTL); 426f9b95980Sapatard@mandriva.com 427f9b95980Sapatard@mandriva.com return 0; 428f9b95980Sapatard@mandriva.com 429f9b95980Sapatard@mandriva.com } 430f9b95980Sapatard@mandriva.com 43185e7652dSLars-Peter Clausen static const struct snd_soc_dai_ops kirkwood_i2s_dai_ops = { 432f0fba2adSLiam Girdwood .startup = kirkwood_i2s_startup, 433f9b95980Sapatard@mandriva.com .trigger = kirkwood_i2s_trigger, 434f9b95980Sapatard@mandriva.com .hw_params = kirkwood_i2s_hw_params, 435f9b95980Sapatard@mandriva.com .set_fmt = kirkwood_i2s_set_fmt, 436f9b95980Sapatard@mandriva.com }; 437f9b95980Sapatard@mandriva.com 43875b9b65eSJean-Francois Moine static struct snd_soc_dai_driver kirkwood_i2s_dai[2] = { 43975b9b65eSJean-Francois Moine { 44075b9b65eSJean-Francois Moine .name = "i2s", 44175b9b65eSJean-Francois Moine .id = 0, 442f9b95980Sapatard@mandriva.com .playback = { 443f9b95980Sapatard@mandriva.com .channels_min = 1, 444f9b95980Sapatard@mandriva.com .channels_max = 2, 4459e12cbd9SMark Brown .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 4469e12cbd9SMark Brown SNDRV_PCM_RATE_96000, 447363589bfSRussell King .formats = KIRKWOOD_I2S_FORMATS, 448363589bfSRussell King }, 449f9b95980Sapatard@mandriva.com .capture = { 450f9b95980Sapatard@mandriva.com .channels_min = 1, 451f9b95980Sapatard@mandriva.com .channels_max = 2, 4529e12cbd9SMark Brown .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 4539e12cbd9SMark Brown SNDRV_PCM_RATE_96000, 454363589bfSRussell King .formats = KIRKWOOD_I2S_FORMATS, 455363589bfSRussell King }, 456363589bfSRussell King .ops = &kirkwood_i2s_dai_ops, 45775b9b65eSJean-Francois Moine }, 45875b9b65eSJean-Francois Moine { 45975b9b65eSJean-Francois Moine .name = "spdif", 46075b9b65eSJean-Francois Moine .id = 1, 46175b9b65eSJean-Francois Moine .playback = { 46275b9b65eSJean-Francois Moine .channels_min = 1, 46375b9b65eSJean-Francois Moine .channels_max = 2, 46475b9b65eSJean-Francois Moine .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 46575b9b65eSJean-Francois Moine SNDRV_PCM_RATE_96000, 4661c195ddbSJean-Francois Moine .formats = KIRKWOOD_SPDIF_FORMATS, 46775b9b65eSJean-Francois Moine }, 46875b9b65eSJean-Francois Moine .capture = { 46975b9b65eSJean-Francois Moine .channels_min = 1, 47075b9b65eSJean-Francois Moine .channels_max = 2, 47175b9b65eSJean-Francois Moine .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 47275b9b65eSJean-Francois Moine SNDRV_PCM_RATE_96000, 4731c195ddbSJean-Francois Moine .formats = KIRKWOOD_SPDIF_FORMATS, 47475b9b65eSJean-Francois Moine }, 47575b9b65eSJean-Francois Moine .ops = &kirkwood_i2s_dai_ops, 47675b9b65eSJean-Francois Moine }, 477363589bfSRussell King }; 478363589bfSRussell King 47975b9b65eSJean-Francois Moine static struct snd_soc_dai_driver kirkwood_i2s_dai_extclk[2] = { 48075b9b65eSJean-Francois Moine { 48175b9b65eSJean-Francois Moine .name = "i2s", 48275b9b65eSJean-Francois Moine .id = 0, 483363589bfSRussell King .playback = { 484363589bfSRussell King .channels_min = 1, 485363589bfSRussell King .channels_max = 2, 48602fc17c1SJean-Francois Moine .rates = SNDRV_PCM_RATE_CONTINUOUS, 48702fc17c1SJean-Francois Moine .rate_min = 5512, 48802fc17c1SJean-Francois Moine .rate_max = 192000, 489363589bfSRussell King .formats = KIRKWOOD_I2S_FORMATS, 490363589bfSRussell King }, 491363589bfSRussell King .capture = { 492363589bfSRussell King .channels_min = 1, 493363589bfSRussell King .channels_max = 2, 49402fc17c1SJean-Francois Moine .rates = SNDRV_PCM_RATE_CONTINUOUS, 49502fc17c1SJean-Francois Moine .rate_min = 5512, 49602fc17c1SJean-Francois Moine .rate_max = 192000, 497363589bfSRussell King .formats = KIRKWOOD_I2S_FORMATS, 498363589bfSRussell King }, 499f9b95980Sapatard@mandriva.com .ops = &kirkwood_i2s_dai_ops, 50075b9b65eSJean-Francois Moine }, 50175b9b65eSJean-Francois Moine { 50275b9b65eSJean-Francois Moine .name = "spdif", 50375b9b65eSJean-Francois Moine .id = 1, 50475b9b65eSJean-Francois Moine .playback = { 50575b9b65eSJean-Francois Moine .channels_min = 1, 50675b9b65eSJean-Francois Moine .channels_max = 2, 50702fc17c1SJean-Francois Moine .rates = SNDRV_PCM_RATE_CONTINUOUS, 50802fc17c1SJean-Francois Moine .rate_min = 5512, 50902fc17c1SJean-Francois Moine .rate_max = 192000, 5101c195ddbSJean-Francois Moine .formats = KIRKWOOD_SPDIF_FORMATS, 51175b9b65eSJean-Francois Moine }, 51275b9b65eSJean-Francois Moine .capture = { 51375b9b65eSJean-Francois Moine .channels_min = 1, 51475b9b65eSJean-Francois Moine .channels_max = 2, 51502fc17c1SJean-Francois Moine .rates = SNDRV_PCM_RATE_CONTINUOUS, 51602fc17c1SJean-Francois Moine .rate_min = 5512, 51702fc17c1SJean-Francois Moine .rate_max = 192000, 5181c195ddbSJean-Francois Moine .formats = KIRKWOOD_SPDIF_FORMATS, 51975b9b65eSJean-Francois Moine }, 52075b9b65eSJean-Francois Moine .ops = &kirkwood_i2s_dai_ops, 52175b9b65eSJean-Francois Moine }, 522f9b95980Sapatard@mandriva.com }; 523f9b95980Sapatard@mandriva.com 52483d85f53SKuninori Morimoto static const struct snd_soc_component_driver kirkwood_i2s_component = { 52583d85f53SKuninori Morimoto .name = DRV_NAME, 52683d85f53SKuninori Morimoto }; 52783d85f53SKuninori Morimoto 52834e15fbdSBill Pemberton static int kirkwood_i2s_dev_probe(struct platform_device *pdev) 529f9b95980Sapatard@mandriva.com { 530363589bfSRussell King struct kirkwood_asoc_platform_data *data = pdev->dev.platform_data; 53175b9b65eSJean-Francois Moine struct snd_soc_dai_driver *soc_dai = kirkwood_i2s_dai; 532f0fba2adSLiam Girdwood struct kirkwood_dma_data *priv; 533363589bfSRussell King struct resource *mem; 534eb632318SJean-Francois Moine struct device_node *np = pdev->dev.of_node; 535f9b95980Sapatard@mandriva.com int err; 536f9b95980Sapatard@mandriva.com 537dbc517bfSRussell King priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); 538f9b95980Sapatard@mandriva.com if (!priv) { 539f9b95980Sapatard@mandriva.com dev_err(&pdev->dev, "allocation failed\n"); 540dbc517bfSRussell King return -ENOMEM; 541f9b95980Sapatard@mandriva.com } 542f0fba2adSLiam Girdwood dev_set_drvdata(&pdev->dev, priv); 543f9b95980Sapatard@mandriva.com 544f9b95980Sapatard@mandriva.com mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); 545b25b5aa0SThierry Reding priv->io = devm_ioremap_resource(&pdev->dev, mem); 546b25b5aa0SThierry Reding if (IS_ERR(priv->io)) 547b25b5aa0SThierry Reding return PTR_ERR(priv->io); 548f9b95980Sapatard@mandriva.com 549f9b95980Sapatard@mandriva.com priv->irq = platform_get_irq(pdev, 0); 550f9b95980Sapatard@mandriva.com if (priv->irq <= 0) { 551f9b95980Sapatard@mandriva.com dev_err(&pdev->dev, "platform_get_irq failed\n"); 552dbc517bfSRussell King return -ENXIO; 553f9b95980Sapatard@mandriva.com } 554f9b95980Sapatard@mandriva.com 555eb632318SJean-Francois Moine if (np) { 556eb632318SJean-Francois Moine priv->burst = 128; /* might be 32 or 128 */ 557eb632318SJean-Francois Moine } else if (data) { 558eb632318SJean-Francois Moine priv->burst = data->burst; 559eb632318SJean-Francois Moine } else { 560eb632318SJean-Francois Moine dev_err(&pdev->dev, "no DT nor platform data ?!\n"); 561dbc517bfSRussell King return -EINVAL; 562f9b95980Sapatard@mandriva.com } 563f9b95980Sapatard@mandriva.com 564eb632318SJean-Francois Moine priv->clk = devm_clk_get(&pdev->dev, np ? "internal" : NULL); 565e919c716SAndrew Lunn if (IS_ERR(priv->clk)) { 566e919c716SAndrew Lunn dev_err(&pdev->dev, "no clock\n"); 567dbc517bfSRussell King return PTR_ERR(priv->clk); 568e919c716SAndrew Lunn } 569dbc517bfSRussell King 570dbc517bfSRussell King err = clk_prepare_enable(priv->clk); 571dbc517bfSRussell King if (err < 0) 572dbc517bfSRussell King return err; 573e919c716SAndrew Lunn 5744734dc96SMark Brown priv->extclk = devm_clk_get(&pdev->dev, "extclk"); 57584aac6c7SJean-Francois Moine if (IS_ERR(priv->extclk)) { 57684aac6c7SJean-Francois Moine if (PTR_ERR(priv->extclk) == -EPROBE_DEFER) 57784aac6c7SJean-Francois Moine return -EPROBE_DEFER; 57884aac6c7SJean-Francois Moine } else { 579d8d11ba5SRussell King if (priv->extclk == priv->clk) { 580af64d734SRussell King devm_clk_put(&pdev->dev, priv->extclk); 581d8d11ba5SRussell King priv->extclk = ERR_PTR(-EINVAL); 582d8d11ba5SRussell King } else { 583d8d11ba5SRussell King dev_info(&pdev->dev, "found external clock\n"); 584d8d11ba5SRussell King clk_prepare_enable(priv->extclk); 58599d8d3baSJean-Francois Moine soc_dai = kirkwood_i2s_dai_extclk; 586d8d11ba5SRussell King } 587d8d11ba5SRussell King } 588d8d11ba5SRussell King 589d8d11ba5SRussell King /* Some sensible defaults - this reflects the powerup values */ 590d8d11ba5SRussell King priv->ctl_play = KIRKWOOD_PLAYCTL_SIZE_24; 591d8d11ba5SRussell King priv->ctl_rec = KIRKWOOD_RECCTL_SIZE_24; 592d8d11ba5SRussell King 593d8d11ba5SRussell King /* Select the burst size */ 594eb632318SJean-Francois Moine if (priv->burst == 32) { 595d8d11ba5SRussell King priv->ctl_play |= KIRKWOOD_PLAYCTL_BURST_32; 596d8d11ba5SRussell King priv->ctl_rec |= KIRKWOOD_RECCTL_BURST_32; 597d8d11ba5SRussell King } else { 598d8d11ba5SRussell King priv->ctl_play |= KIRKWOOD_PLAYCTL_BURST_128; 599d8d11ba5SRussell King priv->ctl_rec |= KIRKWOOD_RECCTL_BURST_128; 600d8d11ba5SRussell King } 601d8d11ba5SRussell King 60283d85f53SKuninori Morimoto err = snd_soc_register_component(&pdev->dev, &kirkwood_i2s_component, 60375b9b65eSJean-Francois Moine soc_dai, 2); 60464ddf1f8SRussell King if (err) { 60583d85f53SKuninori Morimoto dev_err(&pdev->dev, "snd_soc_register_component failed\n"); 60664ddf1f8SRussell King goto err_component; 60764ddf1f8SRussell King } 608baffab28SSimon Baatz 60964ddf1f8SRussell King err = snd_soc_register_platform(&pdev->dev, &kirkwood_soc_platform); 61064ddf1f8SRussell King if (err) { 61164ddf1f8SRussell King dev_err(&pdev->dev, "snd_soc_register_platform failed\n"); 61264ddf1f8SRussell King goto err_platform; 61364ddf1f8SRussell King } 61475b9b65eSJean-Francois Moine 61575b9b65eSJean-Francois Moine kirkwood_i2s_init(priv); 61675b9b65eSJean-Francois Moine 61764ddf1f8SRussell King return 0; 61864ddf1f8SRussell King err_platform: 61964ddf1f8SRussell King snd_soc_unregister_component(&pdev->dev); 62064ddf1f8SRussell King err_component: 6214734dc96SMark Brown if (!IS_ERR(priv->extclk)) 622363589bfSRussell King clk_disable_unprepare(priv->extclk); 623baffab28SSimon Baatz clk_disable_unprepare(priv->clk); 624f9b95980Sapatard@mandriva.com 625f9b95980Sapatard@mandriva.com return err; 626f9b95980Sapatard@mandriva.com } 627f9b95980Sapatard@mandriva.com 62834e15fbdSBill Pemberton static int kirkwood_i2s_dev_remove(struct platform_device *pdev) 629f9b95980Sapatard@mandriva.com { 630f0fba2adSLiam Girdwood struct kirkwood_dma_data *priv = dev_get_drvdata(&pdev->dev); 631f0fba2adSLiam Girdwood 63264ddf1f8SRussell King snd_soc_unregister_platform(&pdev->dev); 63383d85f53SKuninori Morimoto snd_soc_unregister_component(&pdev->dev); 634e919c716SAndrew Lunn 6354734dc96SMark Brown if (!IS_ERR(priv->extclk)) 636363589bfSRussell King clk_disable_unprepare(priv->extclk); 637e919c716SAndrew Lunn clk_disable_unprepare(priv->clk); 638f0fba2adSLiam Girdwood 639f9b95980Sapatard@mandriva.com return 0; 640f9b95980Sapatard@mandriva.com } 641f9b95980Sapatard@mandriva.com 642eb632318SJean-Francois Moine #ifdef CONFIG_OF 643eb632318SJean-Francois Moine static struct of_device_id mvebu_audio_of_match[] = { 644d098b2f0SThomas Petazzoni { .compatible = "marvell,kirkwood-audio" }, 645d098b2f0SThomas Petazzoni { .compatible = "marvell,dove-audio" }, 6469a0d5113SThomas Petazzoni { .compatible = "marvell,armada370-audio" }, 647eb632318SJean-Francois Moine { } 648eb632318SJean-Francois Moine }; 649eb632318SJean-Francois Moine MODULE_DEVICE_TABLE(of, mvebu_audio_of_match); 650eb632318SJean-Francois Moine #endif 651eb632318SJean-Francois Moine 652f9b95980Sapatard@mandriva.com static struct platform_driver kirkwood_i2s_driver = { 653f9b95980Sapatard@mandriva.com .probe = kirkwood_i2s_dev_probe, 65434e15fbdSBill Pemberton .remove = kirkwood_i2s_dev_remove, 655f9b95980Sapatard@mandriva.com .driver = { 656f9b95980Sapatard@mandriva.com .name = DRV_NAME, 657f9b95980Sapatard@mandriva.com .owner = THIS_MODULE, 658eb632318SJean-Francois Moine .of_match_table = of_match_ptr(mvebu_audio_of_match), 659f9b95980Sapatard@mandriva.com }, 660f9b95980Sapatard@mandriva.com }; 661f9b95980Sapatard@mandriva.com 66241b10225SAxel Lin module_platform_driver(kirkwood_i2s_driver); 663f9b95980Sapatard@mandriva.com 664f9b95980Sapatard@mandriva.com /* Module information */ 66569737897SArnaud Patard (Rtp) MODULE_AUTHOR("Arnaud Patard, <arnaud.patard@rtp-net.org>"); 666f9b95980Sapatard@mandriva.com MODULE_DESCRIPTION("Kirkwood I2S SoC Interface"); 667f9b95980Sapatard@mandriva.com MODULE_LICENSE("GPL"); 66864ddf1f8SRussell King MODULE_ALIAS("platform:mvebu-audio"); 669