[RFC PATCH 11/13] ASoC: qcom: audioreach: add q6prm support

Add support to q6prm (Proxy Resource Manager) module used for clock resources

Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- include/dt-bindings/sound/qcom,q6prm.h | 205 ++++++++++++ sound/soc/qcom/Kconfig | 4 + sound/soc/qcom/audioreach/Makefile | 2 + sound/soc/qcom/audioreach/q6prm.c | 412 +++++++++++++++++++++++++ 4 files changed, 623 insertions(+) create mode 100644 include/dt-bindings/sound/qcom,q6prm.h create mode 100644 sound/soc/qcom/audioreach/q6prm.c

diff --git a/include/dt-bindings/sound/qcom,q6prm.h b/include/dt-bindings/sound/qcom,q6prm.h new file mode 100644 index 000000000000..1c5f84fa573a --- /dev/null +++ b/include/dt-bindings/sound/qcom,q6prm.h @@ -0,0 +1,205 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __DT_BINDINGS_Q6_PRM_H__ +#define __DT_BINDINGS_Q6_PRM_H__ + +/* Audio Front End (PRM) virtual ports IDs */ +#define HDMI_RX 1 +#define SLIMBUS_0_RX 2 +#define SLIMBUS_0_TX 3 +#define SLIMBUS_1_RX 4 +#define SLIMBUS_1_TX 5 +#define SLIMBUS_2_RX 6 +#define SLIMBUS_2_TX 7 +#define SLIMBUS_3_RX 8 +#define SLIMBUS_3_TX 9 +#define SLIMBUS_4_RX 10 +#define SLIMBUS_4_TX 11 +#define SLIMBUS_5_RX 12 +#define SLIMBUS_5_TX 13 +#define SLIMBUS_6_RX 14 +#define SLIMBUS_6_TX 15 +#define PRIMARY_MI2S_RX 16 +#define PRIMARY_MI2S_TX 17 +#define SECONDARY_MI2S_RX 18 +#define SECONDARY_MI2S_TX 19 +#define TERTIARY_MI2S_RX 20 +#define TERTIARY_MI2S_TX 21 +#define QUATERNARY_MI2S_RX 22 +#define QUATERNARY_MI2S_TX 23 +#define PRIMARY_TDM_RX_0 24 +#define PRIMARY_TDM_TX_0 25 +#define PRIMARY_TDM_RX_1 26 +#define PRIMARY_TDM_TX_1 27 +#define PRIMARY_TDM_RX_2 28 +#define PRIMARY_TDM_TX_2 29 +#define PRIMARY_TDM_RX_3 30 +#define PRIMARY_TDM_TX_3 31 +#define PRIMARY_TDM_RX_4 32 +#define PRIMARY_TDM_TX_4 33 +#define PRIMARY_TDM_RX_5 34 +#define PRIMARY_TDM_TX_5 35 +#define PRIMARY_TDM_RX_6 36 +#define PRIMARY_TDM_TX_6 37 +#define PRIMARY_TDM_RX_7 38 +#define PRIMARY_TDM_TX_7 39 +#define SECONDARY_TDM_RX_0 40 +#define SECONDARY_TDM_TX_0 41 +#define SECONDARY_TDM_RX_1 42 +#define SECONDARY_TDM_TX_1 43 +#define SECONDARY_TDM_RX_2 44 +#define SECONDARY_TDM_TX_2 45 +#define SECONDARY_TDM_RX_3 46 +#define SECONDARY_TDM_TX_3 47 +#define SECONDARY_TDM_RX_4 48 +#define SECONDARY_TDM_TX_4 49 +#define SECONDARY_TDM_RX_5 50 +#define SECONDARY_TDM_TX_5 51 +#define SECONDARY_TDM_RX_6 52 +#define SECONDARY_TDM_TX_6 53 +#define SECONDARY_TDM_RX_7 54 +#define SECONDARY_TDM_TX_7 55 +#define TERTIARY_TDM_RX_0 56 +#define TERTIARY_TDM_TX_0 57 +#define TERTIARY_TDM_RX_1 58 +#define TERTIARY_TDM_TX_1 59 +#define TERTIARY_TDM_RX_2 60 +#define TERTIARY_TDM_TX_2 61 +#define TERTIARY_TDM_RX_3 62 +#define TERTIARY_TDM_TX_3 63 +#define TERTIARY_TDM_RX_4 64 +#define TERTIARY_TDM_TX_4 65 +#define TERTIARY_TDM_RX_5 66 +#define TERTIARY_TDM_TX_5 67 +#define TERTIARY_TDM_RX_6 68 +#define TERTIARY_TDM_TX_6 69 +#define TERTIARY_TDM_RX_7 70 +#define TERTIARY_TDM_TX_7 71 +#define QUATERNARY_TDM_RX_0 72 +#define QUATERNARY_TDM_TX_0 73 +#define QUATERNARY_TDM_RX_1 74 +#define QUATERNARY_TDM_TX_1 75 +#define QUATERNARY_TDM_RX_2 76 +#define QUATERNARY_TDM_TX_2 77 +#define QUATERNARY_TDM_RX_3 78 +#define QUATERNARY_TDM_TX_3 79 +#define QUATERNARY_TDM_RX_4 80 +#define QUATERNARY_TDM_TX_4 81 +#define QUATERNARY_TDM_RX_5 82 +#define QUATERNARY_TDM_TX_5 83 +#define QUATERNARY_TDM_RX_6 84 +#define QUATERNARY_TDM_TX_6 85 +#define QUATERNARY_TDM_RX_7 86 +#define QUATERNARY_TDM_TX_7 87 +#define QUINARY_TDM_RX_0 88 +#define QUINARY_TDM_TX_0 89 +#define QUINARY_TDM_RX_1 90 +#define QUINARY_TDM_TX_1 91 +#define QUINARY_TDM_RX_2 92 +#define QUINARY_TDM_TX_2 93 +#define QUINARY_TDM_RX_3 94 +#define QUINARY_TDM_TX_3 95 +#define QUINARY_TDM_RX_4 96 +#define QUINARY_TDM_TX_4 97 +#define QUINARY_TDM_RX_5 98 +#define QUINARY_TDM_TX_5 99 +#define QUINARY_TDM_RX_6 100 +#define QUINARY_TDM_TX_6 101 +#define QUINARY_TDM_RX_7 102 +#define QUINARY_TDM_TX_7 103 +#define DISPLAY_PORT_RX 104 +#define WSA_CODEC_DMA_RX_0 105 +#define WSA_CODEC_DMA_TX_0 106 +#define WSA_CODEC_DMA_RX_1 107 +#define WSA_CODEC_DMA_TX_1 108 +#define WSA_CODEC_DMA_TX_2 109 +#define VA_CODEC_DMA_TX_0 110 +#define VA_CODEC_DMA_TX_1 111 +#define VA_CODEC_DMA_TX_2 112 +#define RX_CODEC_DMA_RX_0 113 +#define TX_CODEC_DMA_TX_0 114 +#define RX_CODEC_DMA_RX_1 115 +#define TX_CODEC_DMA_TX_1 116 +#define RX_CODEC_DMA_RX_2 117 +#define TX_CODEC_DMA_TX_2 118 +#define RX_CODEC_DMA_RX_3 119 +#define TX_CODEC_DMA_TX_3 120 +#define RX_CODEC_DMA_RX_4 121 +#define TX_CODEC_DMA_TX_4 122 +#define RX_CODEC_DMA_RX_5 123 +#define TX_CODEC_DMA_TX_5 124 +#define RX_CODEC_DMA_RX_6 125 +#define RX_CODEC_DMA_RX_7 126 + +#define LPASS_CLK_ID_PRI_MI2S_IBIT 1 +#define LPASS_CLK_ID_PRI_MI2S_EBIT 2 +#define LPASS_CLK_ID_SEC_MI2S_IBIT 3 +#define LPASS_CLK_ID_SEC_MI2S_EBIT 4 +#define LPASS_CLK_ID_TER_MI2S_IBIT 5 +#define LPASS_CLK_ID_TER_MI2S_EBIT 6 +#define LPASS_CLK_ID_QUAD_MI2S_IBIT 7 +#define LPASS_CLK_ID_QUAD_MI2S_EBIT 8 +#define LPASS_CLK_ID_SPEAKER_I2S_IBIT 9 +#define LPASS_CLK_ID_SPEAKER_I2S_EBIT 10 +#define LPASS_CLK_ID_SPEAKER_I2S_OSR 11 +#define LPASS_CLK_ID_QUI_MI2S_IBIT 12 +#define LPASS_CLK_ID_QUI_MI2S_EBIT 13 +#define LPASS_CLK_ID_SEN_MI2S_IBIT 14 +#define LPASS_CLK_ID_SEN_MI2S_EBIT 15 +#define LPASS_CLK_ID_INT0_MI2S_IBIT 16 +#define LPASS_CLK_ID_INT1_MI2S_IBIT 17 +#define LPASS_CLK_ID_INT2_MI2S_IBIT 18 +#define LPASS_CLK_ID_INT3_MI2S_IBIT 19 +#define LPASS_CLK_ID_INT4_MI2S_IBIT 20 +#define LPASS_CLK_ID_INT5_MI2S_IBIT 21 +#define LPASS_CLK_ID_INT6_MI2S_IBIT 22 +#define LPASS_CLK_ID_QUI_MI2S_OSR 23 +#define LPASS_CLK_ID_PRI_PCM_IBIT 24 +#define LPASS_CLK_ID_PRI_PCM_EBIT 25 +#define LPASS_CLK_ID_SEC_PCM_IBIT 26 +#define LPASS_CLK_ID_SEC_PCM_EBIT 27 +#define LPASS_CLK_ID_TER_PCM_IBIT 28 +#define LPASS_CLK_ID_TER_PCM_EBIT 29 +#define LPASS_CLK_ID_QUAD_PCM_IBIT 30 +#define LPASS_CLK_ID_QUAD_PCM_EBIT 31 +#define LPASS_CLK_ID_QUIN_PCM_IBIT 32 +#define LPASS_CLK_ID_QUIN_PCM_EBIT 33 +#define LPASS_CLK_ID_QUI_PCM_OSR 34 +#define LPASS_CLK_ID_PRI_TDM_IBIT 35 +#define LPASS_CLK_ID_PRI_TDM_EBIT 36 +#define LPASS_CLK_ID_SEC_TDM_IBIT 37 +#define LPASS_CLK_ID_SEC_TDM_EBIT 38 +#define LPASS_CLK_ID_TER_TDM_IBIT 39 +#define LPASS_CLK_ID_TER_TDM_EBIT 40 +#define LPASS_CLK_ID_QUAD_TDM_IBIT 41 +#define LPASS_CLK_ID_QUAD_TDM_EBIT 42 +#define LPASS_CLK_ID_QUIN_TDM_IBIT 43 +#define LPASS_CLK_ID_QUIN_TDM_EBIT 44 +#define LPASS_CLK_ID_QUIN_TDM_OSR 45 +#define LPASS_CLK_ID_MCLK_1 46 +#define LPASS_CLK_ID_MCLK_2 47 +#define LPASS_CLK_ID_MCLK_3 48 +#define LPASS_CLK_ID_MCLK_4 49 +#define LPASS_CLK_ID_INTERNAL_DIGITAL_CODEC_CORE 50 +#define LPASS_CLK_ID_INT_MCLK_0 51 +#define LPASS_CLK_ID_INT_MCLK_1 52 +#define LPASS_CLK_ID_MCLK_5 53 +#define LPASS_CLK_ID_WSA_CORE_MCLK 54 +#define LPASS_CLK_ID_WSA_CORE_NPL_MCLK 55 +#define LPASS_CLK_ID_VA_CORE_MCLK 56 +#define LPASS_CLK_ID_TX_CORE_MCLK 57 +#define LPASS_CLK_ID_TX_CORE_NPL_MCLK 58 +#define LPASS_CLK_ID_RX_CORE_MCLK 59 +#define LPASS_CLK_ID_RX_CORE_NPL_MCLK 60 +#define LPASS_CLK_ID_VA_CORE_2X_MCLK 61 + +#define LPASS_HW_MACRO_VOTE 102 +#define LPASS_HW_DCODEC_VOTE 103 + +#define Q6PRM_MAX_CLK_ID 104 + +#define LPASS_CLK_ATTRIBUTE_INVALID 0x0 +#define LPASS_CLK_ATTRIBUTE_COUPLE_NO 0x1 +#define LPASS_CLK_ATTRIBUTE_COUPLE_DIVIDEND 0x2 +#define LPASS_CLK_ATTRIBUTE_COUPLE_DIVISOR 0x3 + +#endif /* __DT_BINDINGS_Q6_PRM_H__ */ diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index 4eb1b1a7c1f7..fa3ab78b125e 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -109,12 +109,16 @@ config SND_SOC_QCOM_APM_DAI config SND_SOC_QCOM_APM_BEDAI tristate

+config SND_SOC_QCOM_PRM + tristate + config SND_SOC_QCOM_AUDIOREACH tristate "SoC ALSA audio drives for Qualcomm AUDIOREACH" depends on QCOM_GPR select SND_SOC_TOPOLOGY select SND_SOC_QCOM_APM_DAI select SND_SOC_QCOM_APM_BEDAI + select SND_SOC_QCOM_PRM help Support for AudioReach in QDSP

diff --git a/sound/soc/qcom/audioreach/Makefile b/sound/soc/qcom/audioreach/Makefile index e8651455b206..d9904201ccf0 100644 --- a/sound/soc/qcom/audioreach/Makefile +++ b/sound/soc/qcom/audioreach/Makefile @@ -2,9 +2,11 @@ snd-ar-objs := audioreach.o q6apm.o topology.o snd-apm-dai-objs := q6apm-dai.o snd-apm-bedai-objs := q6apm-bedai.o +snd-prm-objs := q6prm.o

obj-$(CONFIG_SND_SOC_QCOM_AUDIOREACH) += snd-ar.o obj-$(CONFIG_SND_SOC_QCOM_APM_DAI) += snd-apm-dai.o obj-$(CONFIG_SND_SOC_QCOM_APM_BEDAI) += snd-apm-bedai.o +obj-$(CONFIG_SND_SOC_QCOM_PRM) += snd-prm.o

diff --git a/sound/soc/qcom/audioreach/q6prm.c b/sound/soc/qcom/audioreach/q6prm.c new file mode 100644 index 000000000000..84a9ca3aa7fd --- /dev/null +++ b/sound/soc/qcom/audioreach/q6prm.c @@ -0,0 +1,412 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2021, Linaro Limited + +#include <linux/slab.h> +#include <linux/wait.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/delay.h> +#include <linux/of_platform.h> +#include <linux/clk-provider.h> +#include <linux/jiffies.h> +#include <linux/soc/qcom/gpr.h> +#include <dt-bindings/soc/qcom,gpr.h> +#include <dt-bindings/sound/qcom,q6prm.h> +#include "audioreach.h" + +#define Q6PRM_CLK(id) &(struct q6prm_clk) { \ + .clk_id = id, \ + .afe_clk_id = Q6PRM_##id, \ + .name = #id, \ + .attributes = LPASS_CLK_ATTRIBUTE_COUPLE_NO, \ + .rate = 19200000, \ + .hw.init = &(struct clk_init_data) { \ + .ops = &clk_q6prm_ops, \ + .name = #id, \ + }, \ + } + +#define Q6PRM_VOTE_CLK(id, blkid) &(struct q6prm_clk) { \ + .clk_id = id, \ + .afe_clk_id = blkid, \ + .hw.init = &(struct clk_init_data) { \ + .ops = &clk_vote_q6prm_ops, \ + .name = #id, \ + }, \ + } + +struct q6prm_clk { + struct device *dev; + int clk_id; + int afe_clk_id; + char *name; + int attributes; + int rate; + uint32_t handle; + struct clk_hw hw; +}; +#define to_q6prm_clk(_hw) container_of(_hw, struct q6prm_clk, hw) + +struct q6prm { + struct device *dev; + struct gpr_device *gdev; + wait_queue_head_t wait; + struct gpr_ibasic_rsp_result_t result; + struct mutex lock; + struct q6prm_clk **clks; + int num_clks; +}; + +#define PRM_CMD_REQUEST_HW_RSC 0x0100100F +#define PRM_CMD_RSP_REQUEST_HW_RSC 0x02001002 +#define PRM_CMD_RELEASE_HW_RSC 0x01001010 +#define PRM_CMD_RSP_RELEASE_HW_RSC 0x02001003 + +#define PARAM_ID_RSC_HW_CORE 0x08001032 +#define PARAM_ID_RSC_LPASS_CORE 0x0800102B +#define PARAM_ID_RSC_AUDIO_HW_CLK 0x0800102C + +#define Q6PRM_LPASS_CLK_ID_WSA_CORE_MCLK 0x305 +#define Q6PRM_LPASS_CLK_ID_WSA_CORE_NPL_MCLK 0x306 + +#define Q6PRM_LPASS_CLK_ID_VA_CORE_MCLK 0x307 +#define Q6PRM_LPASS_CLK_ID_VA_CORE_2X_MCLK 0x308 + +#define Q6PRM_LPASS_CLK_ID_TX_CORE_MCLK 0x30c +#define Q6PRM_LPASS_CLK_ID_TX_CORE_NPL_MCLK 0x30d + +#define Q6PRM_LPASS_CLK_ID_RX_CORE_MCLK 0x30e +#define Q6PRM_LPASS_CLK_ID_RX_CORE_NPL_MCLK 0x30f + +#define Q6PRM_LPASS_CLK_SRC_INTERNAL 1 +#define Q6PRM_LPASS_CLK_ROOT_DEFAULT 0 +#define Q6PRM_HW_CORE_ID_LPASS 1 +#define Q6PRM_HW_CORE_ID_DCODEC 2 + +struct prm_cmd_request_hw_core { + struct apm_module_param_data param_data; + uint32_t hw_clk_id; +} __packed; + +struct prm_cmd_request_rsc { + struct apm_module_param_data param_data; + uint32_t num_clk_id; + struct audio_hw_clk_cfg clock_ids[1]; +} __packed; + +struct prm_cmd_release_rsc { + struct apm_module_param_data param_data; + uint32_t num_clk_id; + struct audio_hw_clk_cfg clock_ids[1]; +} __packed; + +static int q6prm_send_cmd_sync(struct q6prm *prm, struct gpr_pkt *pkt, + uint32_t rsp_opcode) +{ + struct gpr_device *gdev = prm->gdev; + struct gpr_hdr *hdr = &pkt->hdr; + int rc; + + mutex_lock(&prm->lock); + prm->result.opcode = 0; + prm->result.status = 0; + + rc = gpr_send_pkt(prm->gdev, pkt); + if (rc < 0) + goto err; + + if (rsp_opcode) + rc = wait_event_timeout(prm->wait, + (prm->result.opcode == hdr->opcode) || + (prm->result.opcode == rsp_opcode), + 5 * HZ); + else + rc = wait_event_timeout(prm->wait, + (prm->result.opcode == hdr->opcode), + 5 * HZ); + + if (!rc) { + dev_err(&gdev->dev, "CMD timeout for [%x] opcode\n", + hdr->opcode); + rc = -ETIMEDOUT; + } else if (prm->result.status > 0) { + dev_err(&gdev->dev, "DSP returned error[%x] %x\n", hdr->opcode, + prm->result.status); + rc = -EINVAL; + } else { + dev_err(&gdev->dev, "DSP returned [%x]\n", + prm->result.status); + rc = 0; + } + +err: + mutex_unlock(&prm->lock); + return rc; +} + +static int q6prm_set_hw_core_req(struct device *dev, uint32_t hw_block_id, bool enable) +{ + struct prm_cmd_request_hw_core *req; + struct apm_module_param_data *param_data; + struct gpr_pkt *pkt; + struct q6prm *prm = dev_get_drvdata(dev); + struct gpr_device *gdev = prm->gdev; + void *p; + int rc = 0; + uint32_t opcode, rsp_opcode; + + if (enable) { + opcode = PRM_CMD_REQUEST_HW_RSC; + rsp_opcode = PRM_CMD_RSP_REQUEST_HW_RSC; + } else { + opcode = PRM_CMD_RELEASE_HW_RSC; + rsp_opcode = PRM_CMD_RSP_RELEASE_HW_RSC; + } + + p = audioreach_alloc_cmd_pkt(sizeof(*req), opcode, 0, gdev->port.id, + GPR_PRM_MODULE_IID); + if (IS_ERR(p)) + return -ENOMEM; + + pkt = p; + req = p + GPR_HDR_SIZE + APM_CMD_HDR_SIZE; + + param_data = &req->param_data; + + param_data->module_instance_id = GPR_PRM_MODULE_IID; + param_data->error_code = 0; + param_data->param_id = PARAM_ID_RSC_HW_CORE; + param_data->param_size = sizeof(*req) - APM_MODULE_PARAM_DATA_SIZE; + + req->hw_clk_id = hw_block_id; + + q6prm_send_cmd_sync(prm, pkt, rsp_opcode); + + kfree(pkt); + + return rc; +} + +static int q6prm_set_lpass_clock(struct device *dev, int clk_id, int clk_attr, + int clk_root, unsigned int freq) +{ + struct prm_cmd_request_rsc *req; + struct apm_module_param_data *param_data; + struct gpr_pkt *pkt; + struct q6prm *prm = dev_get_drvdata(dev); + struct gpr_device *gdev = prm->gdev; + void *p; + int rc = 0; + + p = audioreach_alloc_cmd_pkt(sizeof(*req), PRM_CMD_REQUEST_HW_RSC, + 0, gdev->port.id, GPR_PRM_MODULE_IID); + if (IS_ERR(p)) + return -ENOMEM; + + pkt = p; + req = p + GPR_HDR_SIZE + APM_CMD_HDR_SIZE; + + param_data = &req->param_data; + + param_data->module_instance_id = GPR_PRM_MODULE_IID; + param_data->error_code = 0; + param_data->param_id = PARAM_ID_RSC_AUDIO_HW_CLK; + param_data->param_size = sizeof(*req) - APM_MODULE_PARAM_DATA_SIZE; + + req->num_clk_id = 1; + req->clock_ids[0].clock_id = clk_id; + req->clock_ids[0].clock_freq = freq; + req->clock_ids[0].clock_attri = clk_attr; + req->clock_ids[0].clock_root = clk_root; + + q6prm_send_cmd_sync(prm, pkt, PRM_CMD_RSP_REQUEST_HW_RSC); + + kfree(pkt); + + return rc; +} + +static int prm_callback(struct gpr_resp_pkt *data, void *priv, int op) +{ + struct gpr_device *gdev = priv; + struct q6prm *prm = dev_get_drvdata(&gdev->dev); + struct gpr_ibasic_rsp_result_t *result; + struct gpr_hdr *hdr = &data->hdr; + + result = data->payload; + + switch (hdr->opcode) { + case PRM_CMD_RSP_REQUEST_HW_RSC: + case PRM_CMD_RSP_RELEASE_HW_RSC: + prm->result.opcode = hdr->opcode; + prm->result.status = result->status; + wake_up(&prm->wait); + break; + default: + break; + } + + return 0; +} + +static int clk_q6prm_prepare(struct clk_hw *hw) +{ + struct q6prm_clk *clk = to_q6prm_clk(hw); + + return q6prm_set_lpass_clock(clk->dev, clk->afe_clk_id, clk->attributes, + Q6PRM_LPASS_CLK_ROOT_DEFAULT, clk->rate); +} + +static void clk_q6prm_unprepare(struct clk_hw *hw) +{ + struct q6prm_clk *clk = to_q6prm_clk(hw); + + q6prm_set_lpass_clock(clk->dev, clk->afe_clk_id, clk->attributes, + Q6PRM_LPASS_CLK_ROOT_DEFAULT, 0); +} + +static int clk_q6prm_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct q6prm_clk *clk = to_q6prm_clk(hw); + + clk->rate = rate; + + return 0; +} + +static unsigned long clk_q6prm_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct q6prm_clk *clk = to_q6prm_clk(hw); + + return clk->rate; +} + +static long clk_q6prm_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + return rate; +} + +static const struct clk_ops clk_q6prm_ops = { + .prepare = clk_q6prm_prepare, + .unprepare = clk_q6prm_unprepare, + .set_rate = clk_q6prm_set_rate, + .round_rate = clk_q6prm_round_rate, + .recalc_rate = clk_q6prm_recalc_rate, +}; + +static int clk_vote_q6prm_block(struct clk_hw *hw) +{ + struct q6prm_clk *clk = to_q6prm_clk(hw); + + return q6prm_set_hw_core_req(clk->dev, clk->afe_clk_id, true); +} + +static void clk_unvote_q6prm_block(struct clk_hw *hw) +{ + struct q6prm_clk *clk = to_q6prm_clk(hw); + + q6prm_set_hw_core_req(clk->dev, clk->afe_clk_id, false); +} + +static const struct clk_ops clk_vote_q6prm_ops = { + .prepare = clk_vote_q6prm_block, + .unprepare = clk_unvote_q6prm_block, +}; + +static struct q6prm_clk *q6prm_clks[Q6PRM_MAX_CLK_ID] = { + [LPASS_CLK_ID_WSA_CORE_MCLK] = Q6PRM_CLK(LPASS_CLK_ID_WSA_CORE_MCLK), + [LPASS_CLK_ID_WSA_CORE_NPL_MCLK] = + Q6PRM_CLK(LPASS_CLK_ID_WSA_CORE_NPL_MCLK), + [LPASS_CLK_ID_VA_CORE_MCLK] = Q6PRM_CLK(LPASS_CLK_ID_VA_CORE_MCLK), + [LPASS_CLK_ID_TX_CORE_MCLK] = Q6PRM_CLK(LPASS_CLK_ID_TX_CORE_MCLK), + [LPASS_CLK_ID_TX_CORE_NPL_MCLK] = + Q6PRM_CLK(LPASS_CLK_ID_TX_CORE_NPL_MCLK), + [LPASS_CLK_ID_RX_CORE_MCLK] = Q6PRM_CLK(LPASS_CLK_ID_RX_CORE_MCLK), + [LPASS_CLK_ID_RX_CORE_NPL_MCLK] = + Q6PRM_CLK(LPASS_CLK_ID_RX_CORE_NPL_MCLK), + [LPASS_CLK_ID_VA_CORE_2X_MCLK] = + Q6PRM_CLK(LPASS_CLK_ID_VA_CORE_2X_MCLK), + [LPASS_HW_MACRO_VOTE] = Q6PRM_VOTE_CLK(LPASS_HW_MACRO_VOTE, + Q6PRM_HW_CORE_ID_LPASS), + [LPASS_HW_DCODEC_VOTE] = Q6PRM_VOTE_CLK(LPASS_HW_DCODEC_VOTE, + Q6PRM_HW_CORE_ID_DCODEC), +}; + +static struct clk_hw *q6prm_of_clk_hw_get(struct of_phandle_args *clkspec, + void *data) +{ + struct q6prm *cc = data; + unsigned int idx = clkspec->args[0]; + unsigned int attr = clkspec->args[1]; + + if (idx >= cc->num_clks || attr > LPASS_CLK_ATTRIBUTE_COUPLE_DIVISOR) { + dev_err(cc->dev, "Invalid clk specifier (%d, %d)\n", idx, attr); + return ERR_PTR(-EINVAL); + } + + if (cc->clks[idx]) { + cc->clks[idx]->attributes = attr; + return &cc->clks[idx]->hw; + } + + return ERR_PTR(-ENOENT); +} + +static int prm_probe(struct gpr_device *gdev) +{ + struct device *dev = &gdev->dev; + struct q6prm *cc; + int i, ret; + + cc = devm_kzalloc(dev, sizeof(*cc), GFP_KERNEL); + if (!cc) + return -ENOMEM; + + cc->dev = dev; + cc->gdev = gdev; + mutex_init(&cc->lock); + init_waitqueue_head(&cc->wait); + cc->clks = &q6prm_clks[0]; + cc->num_clks = ARRAY_SIZE(q6prm_clks); + for (i = 0; i < ARRAY_SIZE(q6prm_clks); i++) { + if (!q6prm_clks[i]) + continue; + + q6prm_clks[i]->dev = dev; + + ret = devm_clk_hw_register(dev, &q6prm_clks[i]->hw); + if (ret) + return ret; + } + + ret = of_clk_add_hw_provider(dev->of_node, q6prm_of_clk_hw_get, cc); + if (ret) + return ret; + + dev_set_drvdata(dev, cc); + + return 0; +} + +static const struct of_device_id prm_device_id[] = { + { .compatible = "qcom,q6prm" }, + {}, +}; +MODULE_DEVICE_TABLE(of, prm_device_id); + +static struct gpr_driver prm_driver = { + .probe = prm_probe, + .callback = prm_callback, + .driver = { + .name = "qcom-prm", + .of_match_table = of_match_ptr(prm_device_id), + }, +}; + +module_gpr_driver(prm_driver); +MODULE_DESCRIPTION("Audio Process Manager"); +MODULE_LICENSE("GPL v2");