From 93e6c93d67bc68afa84c196068ec7ebf1846625b Mon Sep 17 00:00:00 2001 From: Josh Kirsch Date: Thu, 25 Aug 2016 11:04:27 -0700 Subject: [PATCH] ASoC: msmcobalt: Add support for TDM Add support for audio over TDM in msmcobalt. Time-division multiplexing (TDM) is a method of transmitting data in the time domain. This can be used to support data rates that exceed that of the transmitted signal or to have up to 8 channel support on a bus that normally supports less in the frequency domain. CRs-fixed: 1070768 Change-Id: I20998435591c44d2ca1a7b6bd5eacac2af0611f6 Signed-off-by: Josh Kirsch --- sound/soc/msm/msmcobalt.c | 790 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 790 insertions(+) diff --git a/sound/soc/msm/msmcobalt.c b/sound/soc/msm/msmcobalt.c index d7b0e151f0bf..6b59d67ad83f 100644 --- a/sound/soc/msm/msmcobalt.c +++ b/sound/soc/msm/msmcobalt.c @@ -71,6 +71,9 @@ #define WCN_CDC_SLIM_RX_CH_MAX 2 #define WCN_CDC_SLIM_TX_CH_MAX 3 +#define TDM_CHANNEL_MAX 8 +#define TDM_SLOT_OFFSET_MAX 8 + enum { SLIM_RX_0 = 0, SLIM_RX_1, @@ -170,6 +173,131 @@ struct msm_asoc_wcd93xx_codec { void (*mbhc_hs_detect_exit)(struct snd_soc_codec *codec); }; +enum { + TDM_0 = 0, + TDM_1, + TDM_2, + TDM_3, + TDM_4, + TDM_5, + TDM_6, + TDM_7, + TDM_PORT_MAX, +}; + +enum { + TDM_PRI = 0, + TDM_SEC, + TDM_TERT, + TDM_QUAT, + TDM_INTERFACE_MAX, +}; + +struct tdm_port { + u32 mode; + u32 channel; +}; + +/* TDM default config */ +static struct dev_config tdm_rx_cfg[TDM_INTERFACE_MAX][TDM_PORT_MAX] = { + { /* PRI TDM */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_0 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_1 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_2 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_3 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_4 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_5 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_6 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_7 */ + }, + { /* SEC TDM */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_0 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_1 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_2 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_3 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_4 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_5 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_6 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_7 */ + }, + { /* TERT TDM */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_0 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_1 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_2 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_3 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_4 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_5 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_6 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_7 */ + }, + { /* QUAT TDM */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_0 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_1 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_2 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_3 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_4 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_5 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_6 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* RX_7 */ + } +}; + +/* TDM default config */ +static struct dev_config tdm_tx_cfg[TDM_INTERFACE_MAX][TDM_PORT_MAX] = { + { /* PRI TDM */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_0 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_1 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_2 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_3 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_4 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_5 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_6 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_7 */ + }, + { /* SEC TDM */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_0 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_1 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_2 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_3 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_4 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_5 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_6 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_7 */ + }, + { /* TERT TDM */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_0 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_1 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_2 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_3 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_4 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_5 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_6 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_7 */ + }, + { /* QUAT TDM */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_0 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_1 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_2 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_3 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_4 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_5 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_6 */ + {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, /* TX_7 */ + } +}; + +/*TDM default offset currently only supporting TDM_RX_0 and TDM_TX_0 */ +static unsigned int tdm_slot_offset[TDM_PORT_MAX][TDM_SLOT_OFFSET_MAX] = { + {0, 4, 8, 12, 16, 20, 24, 28},/* TX_0 | RX_0 */ + {AFE_SLOT_MAPPING_OFFSET_INVALID},/* TX_1 | RX_1 */ + {AFE_SLOT_MAPPING_OFFSET_INVALID},/* TX_2 | RX_2 */ + {AFE_SLOT_MAPPING_OFFSET_INVALID},/* TX_3 | RX_3 */ + {AFE_SLOT_MAPPING_OFFSET_INVALID},/* TX_4 | RX_4 */ + {AFE_SLOT_MAPPING_OFFSET_INVALID},/* TX_5 | RX_5 */ + {AFE_SLOT_MAPPING_OFFSET_INVALID},/* TX_6 | RX_6 */ + {AFE_SLOT_MAPPING_OFFSET_INVALID},/* TX_7 | RX_7 */ +}; + /* Default configuration of slimbus channels */ static struct dev_config slim_rx_cfg[] = { [SLIM_RX_0] = {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 1}, @@ -272,6 +400,12 @@ static char const *usb_sample_rate_text[] = {"KHZ_8", "KHZ_11P025", "KHZ_96", "KHZ_192"}; static char const *ext_disp_sample_rate_text[] = {"KHZ_48", "KHZ_96", "KHZ_192"}; +static char const *tdm_ch_text[] = {"One", "Two", "Three", "Four", + "Five", "Six", "Seven", "Eight"}; +static char const *tdm_bit_format_text[] = {"S16_LE", "S24_LE", "S32_LE"}; +static char const *tdm_sample_rate_text[] = {"KHZ_8", "KHZ_16", "KHZ_32", + "KHZ_44P1", "KHZ_48", "KHZ_96", + "KHZ_192", "KHZ_352P8", "KHZ_384"}; static const char *const auxpcm_rate_text[] = {"KHZ_8", "KHZ_16"}; static char const *mi2s_rate_text[] = {"KHZ_8", "KHZ_16", "KHZ_32", "KHZ_44P1", "KHZ_48", @@ -308,6 +442,12 @@ static SOC_ENUM_SINGLE_EXT_DECL(usb_rx_sample_rate, usb_sample_rate_text); static SOC_ENUM_SINGLE_EXT_DECL(usb_tx_sample_rate, usb_sample_rate_text); static SOC_ENUM_SINGLE_EXT_DECL(ext_disp_rx_sample_rate, ext_disp_sample_rate_text); +static SOC_ENUM_SINGLE_EXT_DECL(tdm_tx_chs, tdm_ch_text); +static SOC_ENUM_SINGLE_EXT_DECL(tdm_tx_format, tdm_bit_format_text); +static SOC_ENUM_SINGLE_EXT_DECL(tdm_tx_sample_rate, tdm_sample_rate_text); +static SOC_ENUM_SINGLE_EXT_DECL(tdm_rx_chs, tdm_ch_text); +static SOC_ENUM_SINGLE_EXT_DECL(tdm_rx_format, tdm_bit_format_text); +static SOC_ENUM_SINGLE_EXT_DECL(tdm_rx_sample_rate, tdm_sample_rate_text); static SOC_ENUM_SINGLE_EXT_DECL(prim_aux_pcm_rx_sample_rate, auxpcm_rate_text); static SOC_ENUM_SINGLE_EXT_DECL(sec_aux_pcm_rx_sample_rate, auxpcm_rate_text); static SOC_ENUM_SINGLE_EXT_DECL(tert_aux_pcm_rx_sample_rate, auxpcm_rate_text); @@ -1328,6 +1468,45 @@ static int proxy_rx_ch_put(struct snd_kcontrol *kcontrol, return 1; } +static int tdm_get_sample_rate(int value) +{ + int sample_rate = 0; + + switch (value) { + case 0: + sample_rate = SAMPLING_RATE_8KHZ; + break; + case 1: + sample_rate = SAMPLING_RATE_16KHZ; + break; + case 2: + sample_rate = SAMPLING_RATE_32KHZ; + break; + case 3: + sample_rate = SAMPLING_RATE_44P1KHZ; + break; + case 4: + sample_rate = SAMPLING_RATE_48KHZ; + break; + case 5: + sample_rate = SAMPLING_RATE_96KHZ; + break; + case 6: + sample_rate = SAMPLING_RATE_192KHZ; + break; + case 7: + sample_rate = SAMPLING_RATE_352P8KHZ; + break; + case 8: + sample_rate = SAMPLING_RATE_384KHZ; + break; + default: + sample_rate = SAMPLING_RATE_48KHZ; + break; + } + return sample_rate; +} + static int aux_pcm_get_sample_rate(int value) { int sample_rate; @@ -1344,6 +1523,45 @@ static int aux_pcm_get_sample_rate(int value) return sample_rate; } +static int tdm_get_sample_rate_val(int sample_rate) +{ + int sample_rate_val = 0; + + switch (sample_rate) { + case SAMPLING_RATE_8KHZ: + sample_rate_val = 0; + break; + case SAMPLING_RATE_16KHZ: + sample_rate_val = 1; + break; + case SAMPLING_RATE_32KHZ: + sample_rate_val = 2; + break; + case SAMPLING_RATE_44P1KHZ: + sample_rate_val = 3; + break; + case SAMPLING_RATE_48KHZ: + sample_rate_val = 4; + break; + case SAMPLING_RATE_96KHZ: + sample_rate_val = 5; + break; + case SAMPLING_RATE_192KHZ: + sample_rate_val = 6; + break; + case SAMPLING_RATE_352P8KHZ: + sample_rate_val = 7; + break; + case SAMPLING_RATE_384KHZ: + sample_rate_val = 8; + break; + default: + sample_rate_val = 4; + break; + } + return sample_rate_val; +} + static int aux_pcm_get_sample_rate_val(int sample_rate) { int sample_rate_val; @@ -1360,6 +1578,361 @@ static int aux_pcm_get_sample_rate_val(int sample_rate) return sample_rate_val; } +static int tdm_get_port_idx(struct snd_kcontrol *kcontrol, + struct tdm_port *port) +{ + if (port) { + if (strnstr(kcontrol->id.name, "PRI", + sizeof(kcontrol->id.name))) { + port->mode = TDM_PRI; + } else if (strnstr(kcontrol->id.name, "SEC", + sizeof(kcontrol->id.name))) { + port->mode = TDM_SEC; + } else if (strnstr(kcontrol->id.name, "TERT", + sizeof(kcontrol->id.name))) { + port->mode = TDM_TERT; + } else if (strnstr(kcontrol->id.name, "QUAT", + sizeof(kcontrol->id.name))) { + port->mode = TDM_QUAT; + } else { + pr_err("%s: unsupported mode in: %s", + __func__, kcontrol->id.name); + return -EINVAL; + } + + if (strnstr(kcontrol->id.name, "RX_0", + sizeof(kcontrol->id.name)) || + strnstr(kcontrol->id.name, "TX_0", + sizeof(kcontrol->id.name))) { + port->channel = TDM_0; + } else if (strnstr(kcontrol->id.name, "RX_1", + sizeof(kcontrol->id.name)) || + strnstr(kcontrol->id.name, "TX_1", + sizeof(kcontrol->id.name))) { + port->channel = TDM_1; + } else if (strnstr(kcontrol->id.name, "RX_2", + sizeof(kcontrol->id.name)) || + strnstr(kcontrol->id.name, "TX_2", + sizeof(kcontrol->id.name))) { + port->channel = TDM_2; + } else if (strnstr(kcontrol->id.name, "RX_3", + sizeof(kcontrol->id.name)) || + strnstr(kcontrol->id.name, "TX_3", + sizeof(kcontrol->id.name))) { + port->channel = TDM_3; + } else if (strnstr(kcontrol->id.name, "RX_4", + sizeof(kcontrol->id.name)) || + strnstr(kcontrol->id.name, "TX_4", + sizeof(kcontrol->id.name))) { + port->channel = TDM_4; + } else if (strnstr(kcontrol->id.name, "RX_5", + sizeof(kcontrol->id.name)) || + strnstr(kcontrol->id.name, "TX_5", + sizeof(kcontrol->id.name))) { + port->channel = TDM_5; + } else if (strnstr(kcontrol->id.name, "RX_6", + sizeof(kcontrol->id.name)) || + strnstr(kcontrol->id.name, "TX_6", + sizeof(kcontrol->id.name))) { + port->channel = TDM_6; + } else if (strnstr(kcontrol->id.name, "RX_7", + sizeof(kcontrol->id.name)) || + strnstr(kcontrol->id.name, "TX_7", + sizeof(kcontrol->id.name))) { + port->channel = TDM_7; + } else { + pr_err("%s: unsupported channel in: %s", + __func__, kcontrol->id.name); + return -EINVAL; + } + } else + return -EINVAL; + return 0; +} + +static int tdm_rx_sample_rate_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tdm_port port; + int ret = tdm_get_port_idx(kcontrol, &port); + + if (ret) { + pr_err("%s: unsupported control: %s", + __func__, kcontrol->id.name); + } else { + ucontrol->value.enumerated.item[0] = tdm_get_sample_rate_val( + tdm_rx_cfg[port.mode][port.channel].sample_rate); + + pr_debug("%s: tdm_rx_sample_rate = %d, item = %d\n", __func__, + tdm_rx_cfg[port.mode][port.channel].sample_rate, + ucontrol->value.enumerated.item[0]); + } + return ret; +} + +static int tdm_rx_sample_rate_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tdm_port port; + int ret = tdm_get_port_idx(kcontrol, &port); + + if (ret) { + pr_err("%s: unsupported control: %s", + __func__, kcontrol->id.name); + } else { + tdm_rx_cfg[port.mode][port.channel].sample_rate = + tdm_get_sample_rate(ucontrol->value.enumerated.item[0]); + + pr_debug("%s: tdm_rx_sample_rate = %d, item = %d\n", __func__, + tdm_rx_cfg[port.mode][port.channel].sample_rate, + ucontrol->value.enumerated.item[0]); + } + return ret; +} + +static int tdm_tx_sample_rate_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tdm_port port; + int ret = tdm_get_port_idx(kcontrol, &port); + + if (ret) { + pr_err("%s: unsupported control: %s", + __func__, kcontrol->id.name); + } else { + ucontrol->value.enumerated.item[0] = tdm_get_sample_rate_val( + tdm_tx_cfg[port.mode][port.channel].sample_rate); + + pr_debug("%s: tdm_tx_sample_rate = %d, item = %d\n", __func__, + tdm_tx_cfg[port.mode][port.channel].sample_rate, + ucontrol->value.enumerated.item[0]); + } + return ret; +} + +static int tdm_tx_sample_rate_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tdm_port port; + int ret = tdm_get_port_idx(kcontrol, &port); + + if (ret) { + pr_err("%s: unsupported control: %s", + __func__, kcontrol->id.name); + } else { + tdm_tx_cfg[port.mode][port.channel].sample_rate = + tdm_get_sample_rate(ucontrol->value.enumerated.item[0]); + + pr_debug("%s: tdm_tx_sample_rate = %d, item = %d\n", __func__, + tdm_tx_cfg[port.mode][port.channel].sample_rate, + ucontrol->value.enumerated.item[0]); + } + return ret; +} + +static int tdm_get_format(int value) +{ + int format = 0; + + switch (value) { + case 0: + format = SNDRV_PCM_FORMAT_S16_LE; + break; + case 1: + format = SNDRV_PCM_FORMAT_S24_LE; + break; + case 2: + format = SNDRV_PCM_FORMAT_S32_LE; + break; + default: + format = SNDRV_PCM_FORMAT_S16_LE; + break; + } + return format; +} + +static int tdm_get_format_val(int format) +{ + int value = 0; + + switch (format) { + case SNDRV_PCM_FORMAT_S16_LE: + value = 0; + break; + case SNDRV_PCM_FORMAT_S24_LE: + value = 1; + break; + case SNDRV_PCM_FORMAT_S32_LE: + value = 2; + break; + default: + value = 0; + break; + } + return value; +} + +static int tdm_rx_format_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tdm_port port; + int ret = tdm_get_port_idx(kcontrol, &port); + + if (ret) { + pr_err("%s: unsupported control: %s", + __func__, kcontrol->id.name); + } else { + ucontrol->value.enumerated.item[0] = tdm_get_format_val( + tdm_rx_cfg[port.mode][port.channel].bit_format); + + pr_debug("%s: tdm_rx_bit_format = %d, item = %d\n", __func__, + tdm_rx_cfg[port.mode][port.channel].bit_format, + ucontrol->value.enumerated.item[0]); + } + return ret; +} + +static int tdm_rx_format_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tdm_port port; + int ret = tdm_get_port_idx(kcontrol, &port); + + if (ret) { + pr_err("%s: unsupported control: %s", + __func__, kcontrol->id.name); + } else { + tdm_rx_cfg[port.mode][port.channel].bit_format = + tdm_get_format(ucontrol->value.enumerated.item[0]); + + pr_debug("%s: tdm_rx_bit_format = %d, item = %d\n", __func__, + tdm_rx_cfg[port.mode][port.channel].bit_format, + ucontrol->value.enumerated.item[0]); + } + return ret; +} + +static int tdm_tx_format_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tdm_port port; + int ret = tdm_get_port_idx(kcontrol, &port); + + if (ret) { + pr_err("%s: unsupported control: %s", + __func__, kcontrol->id.name); + } else { + ucontrol->value.enumerated.item[0] = tdm_get_format_val( + tdm_tx_cfg[port.mode][port.channel].bit_format); + + pr_debug("%s: tdm_tx_bit_format = %d, item = %d\n", __func__, + tdm_tx_cfg[port.mode][port.channel].bit_format, + ucontrol->value.enumerated.item[0]); + } + return ret; +} + +static int tdm_tx_format_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tdm_port port; + int ret = tdm_get_port_idx(kcontrol, &port); + + if (ret) { + pr_err("%s: unsupported control: %s", + __func__, kcontrol->id.name); + } else { + tdm_tx_cfg[port.mode][port.channel].bit_format = + tdm_get_format(ucontrol->value.enumerated.item[0]); + + pr_debug("%s: tdm_tx_bit_format = %d, item = %d\n", __func__, + tdm_tx_cfg[port.mode][port.channel].bit_format, + ucontrol->value.enumerated.item[0]); + } + return ret; +} + +static int tdm_rx_ch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tdm_port port; + int ret = tdm_get_port_idx(kcontrol, &port); + + if (ret) { + pr_err("%s: unsupported control: %s", + __func__, kcontrol->id.name); + } else { + + ucontrol->value.enumerated.item[0] = + tdm_rx_cfg[port.mode][port.channel].channels - 1; + + pr_debug("%s: tdm_rx_ch = %d, item = %d\n", __func__, + tdm_rx_cfg[port.mode][port.channel].channels - 1, + ucontrol->value.enumerated.item[0]); + } + return ret; +} + +static int tdm_rx_ch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tdm_port port; + int ret = tdm_get_port_idx(kcontrol, &port); + + if (ret) { + pr_err("%s: unsupported control: %s", + __func__, kcontrol->id.name); + } else { + tdm_rx_cfg[port.mode][port.channel].channels = + ucontrol->value.enumerated.item[0] + 1; + + pr_debug("%s: tdm_rx_ch = %d, item = %d\n", __func__, + tdm_rx_cfg[port.mode][port.channel].channels, + ucontrol->value.enumerated.item[0] + 1); + } + return ret; +} + +static int tdm_tx_ch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tdm_port port; + int ret = tdm_get_port_idx(kcontrol, &port); + + if (ret) { + pr_err("%s: unsupported control: %s", + __func__, kcontrol->id.name); + } else { + ucontrol->value.enumerated.item[0] = + tdm_tx_cfg[port.mode][port.channel].channels - 1; + + pr_debug("%s: tdm_tx_ch = %d, item = %d\n", __func__, + tdm_tx_cfg[port.mode][port.channel].channels - 1, + ucontrol->value.enumerated.item[0]); + } + return ret; +} + +static int tdm_tx_ch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct tdm_port port; + int ret = tdm_get_port_idx(kcontrol, &port); + + if (ret) { + pr_err("%s: unsupported control: %s", + __func__, kcontrol->id.name); + } else { + tdm_tx_cfg[port.mode][port.channel].channels = + ucontrol->value.enumerated.item[0] + 1; + + pr_debug("%s: tdm_tx_ch = %d, item = %d\n", __func__, + tdm_tx_cfg[port.mode][port.channel].channels, + ucontrol->value.enumerated.item[0] + 1); + } + return ret; +} + static int aux_pcm_get_port_idx(struct snd_kcontrol *kcontrol) { int idx; @@ -1758,6 +2331,24 @@ static const struct snd_kcontrol_new msm_snd_controls[] = { SOC_ENUM_EXT("Display Port RX SampleRate", ext_disp_rx_sample_rate, ext_disp_rx_sample_rate_get, ext_disp_rx_sample_rate_put), + SOC_ENUM_EXT("TERT_TDM_RX_0 SampleRate", tdm_rx_sample_rate, + tdm_rx_sample_rate_get, + tdm_rx_sample_rate_put), + SOC_ENUM_EXT("TERT_TDM_TX_0 SampleRate", tdm_tx_sample_rate, + tdm_tx_sample_rate_get, + tdm_tx_sample_rate_put), + SOC_ENUM_EXT("TERT_TDM_RX_0 Format", tdm_rx_format, + tdm_rx_format_get, + tdm_rx_format_put), + SOC_ENUM_EXT("TERT_TDM_TX_0 Format", tdm_tx_format, + tdm_tx_format_get, + tdm_tx_format_put), + SOC_ENUM_EXT("TERT_TDM_RX_0 Channels", tdm_rx_chs, + tdm_rx_ch_get, + tdm_rx_ch_put), + SOC_ENUM_EXT("TERT_TDM_TX_0 Channels", tdm_tx_chs, + tdm_tx_ch_get, + tdm_tx_ch_put), SOC_ENUM_EXT("PRIM_AUX_PCM_RX SampleRate", prim_aux_pcm_rx_sample_rate, aux_pcm_rx_sample_rate_get, aux_pcm_rx_sample_rate_put), @@ -2095,6 +2686,22 @@ static int msm_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, rate->min = rate->max = SAMPLING_RATE_48KHZ; break; + case MSM_BACKEND_DAI_TERT_TDM_RX_0: + channels->min = channels->max = + tdm_rx_cfg[TDM_TERT][TDM_0].channels; + param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT, + tdm_rx_cfg[TDM_TERT][TDM_0].bit_format); + rate->min = rate->max = tdm_rx_cfg[TDM_TERT][TDM_0].sample_rate; + break; + + case MSM_BACKEND_DAI_TERT_TDM_TX_0: + channels->min = channels->max = + tdm_tx_cfg[TDM_TERT][TDM_0].channels; + param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT, + tdm_tx_cfg[TDM_TERT][TDM_0].bit_format); + rate->min = rate->max = tdm_tx_cfg[TDM_TERT][TDM_0].sample_rate; + break; + case MSM_BACKEND_DAI_AUXPCM_RX: rate->min = rate->max = aux_pcm_rx_cfg[PRIM_AUX_PCM].sample_rate; @@ -3176,6 +3783,157 @@ static struct snd_soc_ops msm_aux_pcm_be_ops = { .shutdown = msm_aux_pcm_snd_shutdown, }; +static unsigned int tdm_param_set_slot_mask(u16 port_id, int slot_width, + int slots) +{ + unsigned int slot_mask = 0; + int i, j; + unsigned int *slot_offset; + + for (i = TDM_0; i < TDM_PORT_MAX; i++) { + slot_offset = tdm_slot_offset[i]; + + for (j = 0; j < TDM_SLOT_OFFSET_MAX; j++) { + if (slot_offset[j] != AFE_SLOT_MAPPING_OFFSET_INVALID) + slot_mask |= + (1 << ((slot_offset[j] * 8) / slot_width)); + else + break; + } + } + + return slot_mask; +} + +static int msm_tdm_snd_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_dai *cpu_dai = rtd->cpu_dai; + int ret = 0; + int channels, slot_width, slots; + unsigned int slot_mask; + unsigned int *slot_offset; + int offset_channels = 0; + int i; + + pr_debug("%s: dai id = 0x%x\n", __func__, cpu_dai->id); + + channels = params_channels(params); + switch (channels) { + case 1: + case 2: + case 3: + case 4: + case 5: + case 6: + case 7: + case 8: + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S32_LE: + case SNDRV_PCM_FORMAT_S24_LE: + case SNDRV_PCM_FORMAT_S16_LE: + /* + * up to 8 channels HW config should + * use 32 bit slot width for max support of + * stream bit width. (slot_width > bit_width) + */ + slot_width = 32; + break; + default: + pr_err("%s: invalid param format 0x%x\n", + __func__, params_format(params)); + return -EINVAL; + } + slots = 8; + slot_mask = tdm_param_set_slot_mask(cpu_dai->id, + slot_width, + slots); + if (!slot_mask) { + pr_err("%s: invalid slot_mask 0x%x\n", + __func__, slot_mask); + return -EINVAL; + } + break; + default: + pr_err("%s: invalid param channels %d\n", + __func__, channels); + return -EINVAL; + } + /* currently only supporting TDM_RX_0 and TDM_TX_0 */ + switch (cpu_dai->id) { + case AFE_PORT_ID_PRIMARY_TDM_RX: + case AFE_PORT_ID_SECONDARY_TDM_RX: + case AFE_PORT_ID_TERTIARY_TDM_RX: + case AFE_PORT_ID_QUATERNARY_TDM_RX: + case AFE_PORT_ID_PRIMARY_TDM_TX: + case AFE_PORT_ID_SECONDARY_TDM_TX: + case AFE_PORT_ID_TERTIARY_TDM_TX: + case AFE_PORT_ID_QUATERNARY_TDM_TX: + slot_offset = tdm_slot_offset[TDM_0]; + break; + default: + pr_err("%s: dai id 0x%x not supported\n", + __func__, cpu_dai->id); + return -EINVAL; + } + + for (i = 0; i < TDM_SLOT_OFFSET_MAX; i++) { + if (slot_offset[i] != AFE_SLOT_MAPPING_OFFSET_INVALID) + offset_channels++; + else + break; + } + + if (offset_channels == 0) { + pr_err("%s: slot offset not supported, offset_channels %d\n", + __func__, offset_channels); + return -EINVAL; + } + + if (channels > offset_channels) { + pr_err("%s: channels %d exceed offset_channels %d\n", + __func__, channels, offset_channels); + return -EINVAL; + } + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, slot_mask, + slots, slot_width); + if (ret < 0) { + pr_err("%s: failed to set tdm slot, err:%d\n", + __func__, ret); + goto end; + } + + ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL, + channels, slot_offset); + if (ret < 0) { + pr_err("%s: failed to set channel map, err:%d\n", + __func__, ret); + goto end; + } + } else { + ret = snd_soc_dai_set_tdm_slot(cpu_dai, slot_mask, 0, + slots, slot_width); + if (ret < 0) { + pr_err("%s: failed to set tdm slot, err:%d\n", + __func__, ret); + goto end; + } + + ret = snd_soc_dai_set_channel_map(cpu_dai, channels, + slot_offset, 0, NULL); + if (ret < 0) { + pr_err("%s: failed to set channel map, err:%d\n", + __func__, ret); + goto end; + } + } +end: + return ret; +} + static struct snd_soc_ops msm_be_ops = { .hw_params = msm_snd_hw_params, }; @@ -3192,6 +3950,10 @@ static struct snd_soc_ops msm_wcn_ops = { .hw_params = msm_wcn_hw_params, }; +static struct snd_soc_ops msm_tdm_be_ops = { + .hw_params = msm_tdm_snd_hw_params +}; + /* Digital audio interface glue - connects codec <---> CPU */ static struct snd_soc_dai_link msm_common_dai_links[] = { /* FrontEnd DAI Links */ @@ -3992,6 +4754,34 @@ static struct snd_soc_dai_link msm_common_be_dai_links[] = { .be_hw_params_fixup = msm_be_hw_params_fixup, .ignore_suspend = 1, }, + { + .name = LPASS_BE_TERT_TDM_RX_0, + .stream_name = "Tertiary TDM0 Playback", + .cpu_dai_name = "msm-dai-q6-tdm.36896", + .platform_name = "msm-pcm-routing", + .codec_name = "msm-stub-codec.1", + .codec_dai_name = "msm-stub-rx", + .no_pcm = 1, + .dpcm_playback = 1, + .be_id = MSM_BACKEND_DAI_TERT_TDM_RX_0, + .be_hw_params_fixup = msm_be_hw_params_fixup, + .ops = &msm_tdm_be_ops, + .ignore_suspend = 1, + }, + { + .name = LPASS_BE_TERT_TDM_TX_0, + .stream_name = "Tertiary TDM0 Capture", + .cpu_dai_name = "msm-dai-q6-tdm.36897", + .platform_name = "msm-pcm-routing", + .codec_name = "msm-stub-codec.1", + .codec_dai_name = "msm-stub-tx", + .no_pcm = 1, + .dpcm_capture = 1, + .be_id = MSM_BACKEND_DAI_TERT_TDM_TX_0, + .be_hw_params_fixup = msm_be_hw_params_fixup, + .ops = &msm_tdm_be_ops, + .ignore_suspend = 1, + }, }; static struct snd_soc_dai_link msm_tasha_be_dai_links[] = {