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[86.26.100.93]) by smtp.gmail.com with ESMTPSA id x7-v6sm7868034wrm.35.2018.05.18.05.58.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 18 May 2018 05:58:40 -0700 (PDT) From: Srinivas Kandagatla To: broonie@kernel.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, bgoswami@codeaurora.org Subject: [PATCH v9 04/15] ASoC: qdsp6: q6afe: Add support to MI2S sysclks Date: Fri, 18 May 2018 13:55:59 +0100 Message-Id: <20180518125610.26200-5-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180518125610.26200-1-srinivas.kandagatla@linaro.org> References: <20180518125610.26200-1-srinivas.kandagatla@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180518_055852_887550_0858F0DC X-CRM114-Status: GOOD ( 13.97 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, rohkumar@qti.qualcomm.com, gregkh@linuxfoundation.org, plai@codeaurora.org, lgirdwood@gmail.com, tiwai@suse.com, david.brown@linaro.org, robh+dt@kernel.org, Srinivas Kandagatla , linux-arm-kernel@lists.infradead.org, spatakok@qti.qualcomm.com, perex@perex.cz, linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds support to LPASS Bit clock, LPASS Digital core clock and OSR clock. These clocks are required for both MI2S and PCM setup. Signed-off-by: Srinivas Kandagatla Reviewed-and-tested-by: Rohit kumar Reviewed-by: Banajit Goswami --- sound/soc/qcom/qdsp6/q6afe.c | 166 +++++++++++++++++++++++++++++++++++++++++++ sound/soc/qcom/qdsp6/q6afe.h | 131 ++++++++++++++++++++++++++++++++++ 2 files changed, 297 insertions(+) diff --git a/sound/soc/qcom/qdsp6/q6afe.c b/sound/soc/qcom/qdsp6/q6afe.c index 0004369b3661..de0030068ecb 100644 --- a/sound/soc/qcom/qdsp6/q6afe.c +++ b/sound/soc/qcom/qdsp6/q6afe.c @@ -34,6 +34,9 @@ #define AFE_PARAM_ID_CDC_SLIMBUS_SLAVE_CFG 0x00010235 +#define AFE_PARAM_ID_LPAIF_CLK_CONFIG 0x00010238 +#define AFE_PARAM_ID_INT_DIGITAL_CDC_CLK_CONFIG 0x00010239 + #define AFE_PARAM_ID_SLIMBUS_CONFIG 0x00010212 #define AFE_PARAM_ID_I2S_CONFIG 0x0001020D @@ -67,6 +70,11 @@ #define AFE_PORT_ID_MULTICHAN_HDMI_RX 0x100E #define AFE_API_VERSION_SLIMBUS_CONFIG 0x1 +/* Clock set API version */ +#define AFE_API_VERSION_CLOCK_SET 1 +#define Q6AFE_LPASS_CLK_CONFIG_API_VERSION 0x1 +#define AFE_MODULE_CLOCK_SET 0x0001028F +#define AFE_PARAM_ID_CLOCK_SET 0x00010290 /* SLIMbus Rx port on channel 0. */ #define AFE_PORT_ID_SLIMBUS_MULTI_CHAN_0_RX 0x4000 @@ -142,6 +150,13 @@ struct afe_port_param_data_v2 { u16 reserved; } __packed; +struct afe_svc_cmd_set_param { + uint32_t payload_size; + uint32_t payload_address_lsw; + uint32_t payload_address_msw; + uint32_t mem_map_handle; +} __packed; + struct afe_port_cmd_set_param_v2 { u16 port_id; u16 payload_size; @@ -202,6 +217,23 @@ struct afe_param_id_slimbus_cfg { */ } __packed; +struct afe_clk_cfg { + u32 i2s_cfg_minor_version; + u32 clk_val1; + u32 clk_val2; + u16 clk_src; + u16 clk_root; + u16 clk_set_mode; + u16 reserved; +} __packed; + +struct afe_digital_clk_cfg { + u32 i2s_cfg_minor_version; + u32 clk_val; + u16 clk_root; + u16 reserved; +} __packed; + struct afe_param_id_i2s_cfg { u32 i2s_cfg_minor_version; u16 bit_width; @@ -219,6 +251,16 @@ union afe_port_config { struct afe_param_id_i2s_cfg i2s_cfg; } __packed; + +struct afe_clk_set { + uint32_t clk_set_minor_version; + uint32_t clk_id; + uint32_t clk_freq_in_hz; + uint16_t clk_attri; + uint16_t clk_root; + uint32_t enable; +}; + struct q6afe_port { wait_queue_head_t wait; union afe_port_config port_cfg; @@ -404,6 +446,54 @@ static int afe_apr_send_pkt(struct q6afe *afe, struct apr_pkt *pkt, return ret; } +static int q6afe_port_set_param(struct q6afe_port *port, void *data, + int param_id, int module_id, int psize) +{ + struct afe_svc_cmd_set_param *param; + struct afe_port_param_data_v2 *pdata; + struct q6afe *afe = port->afe; + struct apr_pkt *pkt; + u16 port_id = port->id; + int ret, pkt_size; + void *p, *pl; + + pkt_size = APR_HDR_SIZE + sizeof(*param) + sizeof(*pdata) + psize; + p = kzalloc(pkt_size, GFP_KERNEL); + if (!p) + return -ENOMEM; + + pkt = p; + param = p + APR_HDR_SIZE; + pdata = p + APR_HDR_SIZE + sizeof(*param); + pl = p + APR_HDR_SIZE + sizeof(*param) + sizeof(*pdata); + memcpy(pl, data, psize); + + pkt->hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD, + APR_HDR_LEN(APR_HDR_SIZE), + APR_PKT_VER); + pkt->hdr.pkt_size = pkt_size; + pkt->hdr.src_port = 0; + pkt->hdr.dest_port = 0; + pkt->hdr.token = port->token; + pkt->hdr.opcode = AFE_SVC_CMD_SET_PARAM; + + param->payload_size = sizeof(*pdata) + psize; + param->payload_address_lsw = 0x00; + param->payload_address_msw = 0x00; + param->mem_map_handle = 0x00; + pdata->module_id = module_id; + pdata->param_id = param_id; + pdata->param_size = psize; + + ret = afe_apr_send_pkt(afe, pkt, port); + if (ret) + dev_err(afe->dev, "AFE enable for port 0x%x failed %d\n", + port_id, ret); + + kfree(pkt); + return ret; +} + static int q6afe_port_set_param_v2(struct q6afe_port *port, void *data, int param_id, int module_id, int psize) { @@ -453,6 +543,82 @@ static int q6afe_port_set_param_v2(struct q6afe_port *port, void *data, return ret; } +static int q6afe_set_lpass_clock(struct q6afe_port *port, + struct afe_clk_cfg *cfg) +{ + return q6afe_port_set_param_v2(port, cfg, + AFE_PARAM_ID_LPAIF_CLK_CONFIG, + AFE_MODULE_AUDIO_DEV_INTERFACE, + sizeof(*cfg)); +} + +static int q6afe_set_lpass_clock_v2(struct q6afe_port *port, + struct afe_clk_set *cfg) +{ + return q6afe_port_set_param(port, cfg, AFE_PARAM_ID_CLOCK_SET, + AFE_MODULE_CLOCK_SET, sizeof(*cfg)); +} + +static int q6afe_set_digital_codec_core_clock(struct q6afe_port *port, + struct afe_digital_clk_cfg *cfg) +{ + return q6afe_port_set_param_v2(port, cfg, + AFE_PARAM_ID_INT_DIGITAL_CDC_CLK_CONFIG, + AFE_MODULE_AUDIO_DEV_INTERFACE, + sizeof(*cfg)); +} + +int q6afe_port_set_sysclk(struct q6afe_port *port, int clk_id, + int clk_src, int clk_root, + unsigned int freq, int dir) +{ + struct afe_clk_cfg ccfg = {0,}; + struct afe_clk_set cset = {0,}; + struct afe_digital_clk_cfg dcfg = {0,}; + int ret; + + switch (clk_id) { + case LPAIF_DIG_CLK: + dcfg.i2s_cfg_minor_version = AFE_API_VERSION_I2S_CONFIG; + dcfg.clk_val = freq; + dcfg.clk_root = clk_root; + ret = q6afe_set_digital_codec_core_clock(port, &dcfg); + break; + case LPAIF_BIT_CLK: + ccfg.i2s_cfg_minor_version = AFE_API_VERSION_I2S_CONFIG; + ccfg.clk_val1 = freq; + ccfg.clk_src = clk_src; + ccfg.clk_root = clk_root; + ccfg.clk_set_mode = Q6AFE_LPASS_MODE_CLK1_VALID; + ret = q6afe_set_lpass_clock(port, &ccfg); + break; + + case LPAIF_OSR_CLK: + ccfg.i2s_cfg_minor_version = AFE_API_VERSION_I2S_CONFIG; + ccfg.clk_val2 = freq; + ccfg.clk_src = clk_src; + ccfg.clk_root = clk_root; + ccfg.clk_set_mode = Q6AFE_LPASS_MODE_CLK2_VALID; + ret = q6afe_set_lpass_clock(port, &ccfg); + break; + case Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT ... Q6AFE_LPASS_CLK_ID_INT_MCLK_1: + cset.clk_set_minor_version = AFE_API_VERSION_CLOCK_SET; + cset.clk_id = clk_id; + cset.clk_freq_in_hz = freq; + cset.clk_attri = clk_src; + cset.clk_root = clk_root; + cset.enable = !!freq; + ret = q6afe_set_lpass_clock_v2(port, &cset); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} +EXPORT_SYMBOL_GPL(q6afe_port_set_sysclk); + /** * q6afe_port_stop() - Stop a afe port * diff --git a/sound/soc/qcom/qdsp6/q6afe.h b/sound/soc/qcom/qdsp6/q6afe.h index 3cb3bb4985a9..5ca54a9bdfd5 100644 --- a/sound/soc/qcom/qdsp6/q6afe.h +++ b/sound/soc/qcom/qdsp6/q6afe.h @@ -16,6 +16,134 @@ #define AFE_MAX_CHAN_COUNT 8 #define AFE_PORT_MAX_AUDIO_CHAN_CNT 0x8 +#define Q6AFE_LPASS_CLK_SRC_INTERNAL 1 +#define Q6AFE_LPASS_CLK_ROOT_DEFAULT 0 + +#define LPAIF_DIG_CLK 1 +#define LPAIF_BIT_CLK 2 +#define LPAIF_OSR_CLK 3 + +/* Clock ID for Primary I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT 0x100 +/* Clock ID for Primary I2S EBIT */ +#define Q6AFE_LPASS_CLK_ID_PRI_MI2S_EBIT 0x101 +/* Clock ID for Secondary I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT 0x102 +/* Clock ID for Secondary I2S EBIT */ +#define Q6AFE_LPASS_CLK_ID_SEC_MI2S_EBIT 0x103 +/* Clock ID for Tertiary I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_TER_MI2S_IBIT 0x104 +/* Clock ID for Tertiary I2S EBIT */ +#define Q6AFE_LPASS_CLK_ID_TER_MI2S_EBIT 0x105 +/* Clock ID for Quartnery I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_QUAD_MI2S_IBIT 0x106 +/* Clock ID for Quartnery I2S EBIT */ +#define Q6AFE_LPASS_CLK_ID_QUAD_MI2S_EBIT 0x107 +/* Clock ID for Speaker I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_SPEAKER_I2S_IBIT 0x108 +/* Clock ID for Speaker I2S EBIT */ +#define Q6AFE_LPASS_CLK_ID_SPEAKER_I2S_EBIT 0x109 +/* Clock ID for Speaker I2S OSR */ +#define Q6AFE_LPASS_CLK_ID_SPEAKER_I2S_OSR 0x10A + +/* Clock ID for QUINARY I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_QUI_MI2S_IBIT 0x10B +/* Clock ID for QUINARY I2S EBIT */ +#define Q6AFE_LPASS_CLK_ID_QUI_MI2S_EBIT 0x10C +/* Clock ID for SENARY I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_SEN_MI2S_IBIT 0x10D +/* Clock ID for SENARY I2S EBIT */ +#define Q6AFE_LPASS_CLK_ID_SEN_MI2S_EBIT 0x10E +/* Clock ID for INT0 I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_INT0_MI2S_IBIT 0x10F +/* Clock ID for INT1 I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_INT1_MI2S_IBIT 0x110 +/* Clock ID for INT2 I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_INT2_MI2S_IBIT 0x111 +/* Clock ID for INT3 I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_INT3_MI2S_IBIT 0x112 +/* Clock ID for INT4 I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_INT4_MI2S_IBIT 0x113 +/* Clock ID for INT5 I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_INT5_MI2S_IBIT 0x114 +/* Clock ID for INT6 I2S IBIT */ +#define Q6AFE_LPASS_CLK_ID_INT6_MI2S_IBIT 0x115 + +/* Clock ID for QUINARY MI2S OSR CLK */ +#define Q6AFE_LPASS_CLK_ID_QUI_MI2S_OSR 0x116 + +/* Clock ID for Primary PCM IBIT */ +#define Q6AFE_LPASS_CLK_ID_PRI_PCM_IBIT 0x200 +/* Clock ID for Primary PCM EBIT */ +#define Q6AFE_LPASS_CLK_ID_PRI_PCM_EBIT 0x201 +/* Clock ID for Secondary PCM IBIT */ +#define Q6AFE_LPASS_CLK_ID_SEC_PCM_IBIT 0x202 +/* Clock ID for Secondary PCM EBIT */ +#define Q6AFE_LPASS_CLK_ID_SEC_PCM_EBIT 0x203 +/* Clock ID for Tertiary PCM IBIT */ +#define Q6AFE_LPASS_CLK_ID_TER_PCM_IBIT 0x204 +/* Clock ID for Tertiary PCM EBIT */ +#define Q6AFE_LPASS_CLK_ID_TER_PCM_EBIT 0x205 +/* Clock ID for Quartery PCM IBIT */ +#define Q6AFE_LPASS_CLK_ID_QUAD_PCM_IBIT 0x206 +/* Clock ID for Quartery PCM EBIT */ +#define Q6AFE_LPASS_CLK_ID_QUAD_PCM_EBIT 0x207 +/* Clock ID for Quinary PCM IBIT */ +#define Q6AFE_LPASS_CLK_ID_QUIN_PCM_IBIT 0x208 +/* Clock ID for Quinary PCM EBIT */ +#define Q6AFE_LPASS_CLK_ID_QUIN_PCM_EBIT 0x209 +/* Clock ID for QUINARY PCM OSR */ +#define Q6AFE_LPASS_CLK_ID_QUI_PCM_OSR 0x20A + +/** Clock ID for Primary TDM IBIT */ +#define Q6AFE_LPASS_CLK_ID_PRI_TDM_IBIT 0x200 +/** Clock ID for Primary TDM EBIT */ +#define Q6AFE_LPASS_CLK_ID_PRI_TDM_EBIT 0x201 +/** Clock ID for Secondary TDM IBIT */ +#define Q6AFE_LPASS_CLK_ID_SEC_TDM_IBIT 0x202 +/** Clock ID for Secondary TDM EBIT */ +#define Q6AFE_LPASS_CLK_ID_SEC_TDM_EBIT 0x203 +/** Clock ID for Tertiary TDM IBIT */ +#define Q6AFE_LPASS_CLK_ID_TER_TDM_IBIT 0x204 +/** Clock ID for Tertiary TDM EBIT */ +#define Q6AFE_LPASS_CLK_ID_TER_TDM_EBIT 0x205 +/** Clock ID for Quartery TDM IBIT */ +#define Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT 0x206 +/** Clock ID for Quartery TDM EBIT */ +#define Q6AFE_LPASS_CLK_ID_QUAD_TDM_EBIT 0x207 +/** Clock ID for Quinary TDM IBIT */ +#define Q6AFE_LPASS_CLK_ID_QUIN_TDM_IBIT 0x208 +/** Clock ID for Quinary TDM EBIT */ +#define Q6AFE_LPASS_CLK_ID_QUIN_TDM_EBIT 0x209 +/** Clock ID for Quinary TDM OSR */ +#define Q6AFE_LPASS_CLK_ID_QUIN_TDM_OSR 0x20A + +/* Clock ID for MCLK1 */ +#define Q6AFE_LPASS_CLK_ID_MCLK_1 0x300 +/* Clock ID for MCLK2 */ +#define Q6AFE_LPASS_CLK_ID_MCLK_2 0x301 +/* Clock ID for MCLK3 */ +#define Q6AFE_LPASS_CLK_ID_MCLK_3 0x302 +/* Clock ID for MCLK4 */ +#define Q6AFE_LPASS_CLK_ID_MCLK_4 0x304 +/* Clock ID for Internal Digital Codec Core */ +#define Q6AFE_LPASS_CLK_ID_INTERNAL_DIGITAL_CODEC_CORE 0x303 +/* Clock ID for INT MCLK0 */ +#define Q6AFE_LPASS_CLK_ID_INT_MCLK_0 0x305 +/* Clock ID for INT MCLK1 */ +#define Q6AFE_LPASS_CLK_ID_INT_MCLK_1 0x306 + +/* Clock attribute for invalid use (reserved for internal usage) */ +#define Q6AFE_LPASS_CLK_ATTRIBUTE_INVALID 0x0 +/* Clock attribute for no couple case */ +#define Q6AFE_LPASS_CLK_ATTRIBUTE_COUPLE_NO 0x1 +/* Clock attribute for dividend couple case */ +#define Q6AFE_LPASS_CLK_ATTRIBUTE_COUPLE_DIVIDEND 0x2 +/* Clock attribute for divisor couple case */ +#define Q6AFE_LPASS_CLK_ATTRIBUTE_COUPLE_DIVISOR 0x3 +/* Clock attribute for invert and no couple case */ +#define Q6AFE_LPASS_CLK_ATTRIBUTE_INVERT_COUPLE_NO 0x4 + struct q6afe_hdmi_cfg { u16 datatype; u16 channel_allocation; @@ -59,4 +187,7 @@ void q6afe_slim_port_prepare(struct q6afe_port *port, struct q6afe_slim_cfg *cfg); int q6afe_i2s_port_prepare(struct q6afe_port *port, struct q6afe_i2s_cfg *cfg); +int q6afe_port_set_sysclk(struct q6afe_port *port, int clk_id, + int clk_src, int clk_root, + unsigned int freq, int dir); #endif /* __Q6AFE_H__ */