Re: [PATCH 3/5] soundwire: amd: add support for ACP7.0 & ACP7.1 platforms

["Mukunda,Vijendar" <vijendar.mukunda@amd.com>]

On 25/12/24 12:53, Vijendar Mukunda wrote:
> Add SoundWire support for ACP7.0 and ACP7.1 platforms.
>
> Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
> ---
>  drivers/soundwire/amd_manager.c   | 23 +++++++++++++++++++++++
>  drivers/soundwire/amd_manager.h   | 18 ++++++++++++++++++
>  include/linux/soundwire/sdw_amd.h |  2 ++
>  3 files changed, 43 insertions(+)
>
> diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c
> index 60be5805715e..9eb8d345b527 100644
> --- a/drivers/soundwire/amd_manager.c
> +++ b/drivers/soundwire/amd_manager.c
> @@ -446,6 +446,10 @@ static int amd_sdw_port_params(struct sdw_bus *bus, struct sdw_port_params *p_pa
>  			return -EINVAL;
>  		}
>  		break;
> +	case ACP70_PCI_REV_ID:
> +	case ACP71_PCI_REV_ID:
> +		frame_fmt_reg = acp70_sdw_dp_reg[p_params->num].frame_fmt_reg;
> +		break;
>  	default:
>  		return -EINVAL;
>  	}
> @@ -494,6 +498,14 @@ static int amd_sdw_transport_params(struct sdw_bus *bus,
>  			return -EINVAL;
>  		}
>  		break;
> +	case ACP70_PCI_REV_ID:
> +	case ACP71_PCI_REV_ID:
> +		frame_fmt_reg = acp70_sdw_dp_reg[params->port_num].frame_fmt_reg;
> +		sample_int_reg = acp70_sdw_dp_reg[params->port_num].sample_int_reg;
> +		hctrl_dp0_reg = acp70_sdw_dp_reg[params->port_num].hctrl_dp0_reg;
> +		offset_reg = acp70_sdw_dp_reg[params->port_num].offset_reg;
> +		lane_ctrl_ch_en_reg = acp70_sdw_dp_reg[params->port_num].lane_ctrl_ch_en_reg;
> +		break;
>  	default:
>  		return -EINVAL;
>  	}
> @@ -549,6 +561,10 @@ static int amd_sdw_port_enable(struct sdw_bus *bus,
>  			return -EINVAL;
>  		}
>  		break;
> +	case ACP70_PCI_REV_ID:
> +	case ACP71_PCI_REV_ID:
> +		lane_ctrl_ch_en_reg = acp70_sdw_dp_reg[enable_ch->port_num].lane_ctrl_ch_en_reg;
> +		break;
>  	default:
>  		return -EINVAL;
>  	}
> @@ -895,6 +911,7 @@ int amd_sdw_manager_start(struct amd_sdw_manager *amd_manager)
>  		ret = amd_enable_sdw_manager(amd_manager);
>  		if (ret)
>  			return ret;
> +
>  		amd_sdw_set_frameshape(amd_manager);
>  	}
>  	/* Enable runtime PM */
> @@ -966,6 +983,11 @@ static int amd_sdw_manager_probe(struct platform_device *pdev)
>  			return -EINVAL;
>  		}
>  		break;
> +	case ACP70_PCI_REV_ID:
> +	case ACP71_PCI_REV_ID:
> +		amd_manager->num_dout_ports = AMD_ACP70_SDW_MAX_TX_PORTS;
> +		amd_manager->num_din_ports = AMD_ACP70_SDW_MAX_RX_PORTS;
> +		break;
>  	default:
>  		return -EINVAL;
>  	}
> @@ -1172,6 +1194,7 @@ static int __maybe_unused amd_suspend_runtime(struct device *dev)
>  		ret = amd_sdw_clock_stop(amd_manager);
>  		if (ret)
>  			return ret;
> +
Extra white line is added. Will fix it in V2 version.
>  		return amd_deinit_sdw_manager(amd_manager);
>  	}
>  	return 0;
> diff --git a/drivers/soundwire/amd_manager.h b/drivers/soundwire/amd_manager.h
> index cc2170e4521e..30244a31c21c 100644
> --- a/drivers/soundwire/amd_manager.h
> +++ b/drivers/soundwire/amd_manager.h
> @@ -159,8 +159,11 @@
>  #define AMD_ACP63_SDW0_MAX_RX_PORTS		3
>  #define AMD_ACP63_SDW1_MAX_TX_PORTS		1
>  #define AMD_ACP63_SDW1_MAX_RX_PORTS		1
> +#define AMD_ACP70_SDW_MAX_TX_PORTS		3
> +#define AMD_ACP70_SDW_MAX_RX_PORTS		3
>  #define AMD_ACP63_SDW0_MAX_DAI		6
>  #define AMD_ACP63_SDW1_MAX_DAI		2
> +#define AMD_ACP70_SDW_MAX_DAI		6
>  #define AMD_SDW_SLAVE_0_ATTACHED	5
>  #define AMD_SDW_SSP_COUNTER_VAL		3
>  
> @@ -244,6 +247,21 @@ static struct sdw_manager_dp_reg acp63_sdw1_dp_reg[AMD_ACP63_SDW1_MAX_DAI] =  {
>  	 ACP_SW_AUDIO1_RX_OFFSET, ACP_SW_AUDIO1_RX_CHANNEL_ENABLE_DP0}
>  };
>  
> +static struct sdw_manager_dp_reg acp70_sdw_dp_reg[AMD_ACP70_SDW_MAX_DAI] =  {
> +	{ACP_SW_AUDIO0_TX_FRAME_FORMAT, ACP_SW_AUDIO0_TX_SAMPLEINTERVAL, ACP_SW_AUDIO0_TX_HCTRL_DP0,
> +	 ACP_SW_AUDIO0_TX_OFFSET_DP0, ACP_SW_AUDIO0_TX_CHANNEL_ENABLE_DP0},
> +	{ACP_SW_AUDIO1_TX_FRAME_FORMAT, ACP_SW_AUDIO1_TX_SAMPLEINTERVAL, ACP_SW_AUDIO1_TX_HCTRL,
> +	 ACP_SW_AUDIO1_TX_OFFSET, ACP_SW_AUDIO1_TX_CHANNEL_ENABLE_DP0},
> +	{ACP_SW_AUDIO2_TX_FRAME_FORMAT, ACP_SW_AUDIO2_TX_SAMPLEINTERVAL, ACP_SW_AUDIO2_TX_HCTRL,
> +	 ACP_SW_AUDIO2_TX_OFFSET, ACP_SW_AUDIO2_TX_CHANNEL_ENABLE_DP0},
> +	{ACP_SW_AUDIO0_RX_FRAME_FORMAT, ACP_SW_AUDIO0_RX_SAMPLEINTERVAL, ACP_SW_AUDIO0_RX_HCTRL_DP0,
> +	 ACP_SW_AUDIO0_RX_OFFSET_DP0, ACP_SW_AUDIO0_RX_CHANNEL_ENABLE_DP0},
> +	{ACP_SW_AUDIO1_RX_FRAME_FORMAT, ACP_SW_AUDIO1_RX_SAMPLEINTERVAL, ACP_SW_AUDIO1_RX_HCTRL,
> +	 ACP_SW_AUDIO1_RX_OFFSET, ACP_SW_AUDIO1_RX_CHANNEL_ENABLE_DP0},
> +	{ACP_SW_AUDIO2_RX_FRAME_FORMAT, ACP_SW_AUDIO2_RX_SAMPLEINTERVAL, ACP_SW_AUDIO2_RX_HCTRL,
> +	 ACP_SW_AUDIO2_RX_OFFSET, ACP_SW_AUDIO2_RX_CHANNEL_ENABLE_DP0},
> +};
> +
>  static u32 sdw_manager_reg_mask_array[AMD_SDW_MAX_MANAGER_COUNT] =  {
>  		AMD_SDW0_EXT_INTR_MASK,
>  		AMD_SDW1_EXT_INTR_MASK
> diff --git a/include/linux/soundwire/sdw_amd.h b/include/linux/soundwire/sdw_amd.h
> index 799f8578137b..6b839987f14c 100644
> --- a/include/linux/soundwire/sdw_amd.h
> +++ b/include/linux/soundwire/sdw_amd.h
> @@ -28,6 +28,8 @@
>  #define ACP_SDW1	1
>  #define AMD_SDW_MAX_MANAGER_COUNT	2
>  #define ACP63_PCI_REV_ID		0x63
> +#define ACP70_PCI_REV_ID		0x70
> +#define ACP71_PCI_REV_ID		0x71
>  
>  struct acp_sdw_pdata {
>  	u16 instance;