Re: [RESEND] mfd: rtsx: add support for rts522A

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On 07/07/2015 07:46 PM, Lee Jones wrote:
> On Mon, 29 Jun 2015, micky_ching@xxxxxxxxxxxxxx wrote:
>
>> From: Micky Ching <micky_ching@xxxxxxxxxxxxxx>
>>
>> rts522a(rts5227s) is derived from rts5227, and mainly same with rts5227.
>> Add it to file mfd/rts5227.c to support this chip.
>>
>> Signed-off-by: Micky Ching <micky_ching@xxxxxxxxxxxxxx>
>> ---
>>   drivers/mfd/Kconfig          |  7 ++--
>>   drivers/mfd/rts5227.c        | 77 ++++++++++++++++++++++++++++++++++++++++++--
>>   drivers/mfd/rtsx_pcr.c       |  5 +++
>>   drivers/mfd/rtsx_pcr.h       |  3 ++
>>   include/linux/mfd/rtsx_pci.h |  6 ++++
>>   5 files changed, 93 insertions(+), 5 deletions(-)
> I Acked this once already.
>
> What's changed since then?
It's not changed, but I don't have time to fix magic numbers these days,
so, I prefer you apply this patch not waiting next patch.

Thanks.
>
>> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
>> index 6538159..614c146 100644
>> --- a/drivers/mfd/Kconfig
>> +++ b/drivers/mfd/Kconfig
>> @@ -686,9 +686,10 @@ config MFD_RTSX_PCI
>>   	select MFD_CORE
>>   	help
>>   	  This supports for Realtek PCI-Express card reader including rts5209,
>> -	  rts5229, rtl8411, etc. Realtek card reader supports access to many
>> -	  types of memory cards, such as Memory Stick, Memory Stick Pro,
>> -	  Secure Digital and MultiMediaCard.
>> +	  rts5227, rts522A, rts5229, rts5249, rts524A, rts525A, rtl8411, etc.
>> +	  Realtek card reader supports access to many types of memory cards,
>> +	  such as Memory Stick, Memory Stick Pro, Secure Digital and
>> +	  MultiMediaCard.
>>   
>>   config MFD_RT5033
>>   	tristate "Richtek RT5033 Power Management IC"
>> diff --git a/drivers/mfd/rts5227.c b/drivers/mfd/rts5227.c
>> index ce012d7..cf13e66 100644
>> --- a/drivers/mfd/rts5227.c
>> +++ b/drivers/mfd/rts5227.c
>> @@ -26,6 +26,14 @@
>>   
>>   #include "rtsx_pcr.h"
>>   
>> +static u8 rts5227_get_ic_version(struct rtsx_pcr *pcr)
>> +{
>> +	u8 val;
>> +
>> +	rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val);
>> +	return val & 0x0F;
>> +}
>> +
>>   static void rts5227_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
>>   {
>>   	u8 driving_3v3[4][3] = {
>> @@ -88,7 +96,7 @@ static void rts5227_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
>>   	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3, 0x01, 0);
>>   
>>   	if (pm_state == HOST_ENTER_S3)
>> -		rtsx_pci_write_register(pcr, PM_CTRL3, 0x10, 0x10);
>> +		rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x10);
>>   
>>   	rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
>>   }
>> @@ -121,7 +129,7 @@ static int rts5227_extra_init_hw(struct rtsx_pcr *pcr)
>>   		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB8, 0xB8);
>>   	else
>>   		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB8, 0x88);
>> -	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x10, 0x00);
>> +	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, pcr->reg_pm_ctrl3, 0x10, 0x00);
>>   
>>   	return rtsx_pci_send_cmd(pcr, 100);
>>   }
>> @@ -298,8 +306,73 @@ void rts5227_init_params(struct rtsx_pcr *pcr)
>>   	pcr->tx_initial_phase = SET_CLOCK_PHASE(27, 27, 15);
>>   	pcr->rx_initial_phase = SET_CLOCK_PHASE(30, 7, 7);
>>   
>> +	pcr->ic_version = rts5227_get_ic_version(pcr);
>>   	pcr->sd_pull_ctl_enable_tbl = rts5227_sd_pull_ctl_enable_tbl;
>>   	pcr->sd_pull_ctl_disable_tbl = rts5227_sd_pull_ctl_disable_tbl;
>>   	pcr->ms_pull_ctl_enable_tbl = rts5227_ms_pull_ctl_enable_tbl;
>>   	pcr->ms_pull_ctl_disable_tbl = rts5227_ms_pull_ctl_disable_tbl;
>> +
>> +	pcr->reg_pm_ctrl3 = PM_CTRL3;
>> +}
>> +
>> +static int rts522a_optimize_phy(struct rtsx_pcr *pcr)
>> +{
>> +	int err;
>> +
>> +	err = rtsx_pci_write_register(pcr, RTS522A_PM_CTRL3, D3_DELINK_MODE_EN,
>> +		0x00);
>> +	if (err < 0)
>> +		return err;
>> +
>> +	if (is_version(pcr, 0x522A, IC_VER_A)) {
>> +		err = rtsx_pci_write_phy_register(pcr, PHY_RCR2,
>> +			PHY_RCR2_INIT_27S);
>> +		if (err)
>> +			return err;
>> +
>> +		rtsx_pci_write_phy_register(pcr, PHY_RCR1, PHY_RCR1_INIT_27S);
>> +		rtsx_pci_write_phy_register(pcr, PHY_FLD0, PHY_FLD0_INIT_27S);
>> +		rtsx_pci_write_phy_register(pcr, PHY_FLD3, PHY_FLD3_INIT_27S);
>> +		rtsx_pci_write_phy_register(pcr, PHY_FLD4, PHY_FLD4_INIT_27S);
>> +	}
>> +
>> +	return 0;
>> +}
>> +
>> +static int rts522a_extra_init_hw(struct rtsx_pcr *pcr)
>> +{
>> +	rts5227_extra_init_hw(pcr);
>> +
>> +	rtsx_pci_write_register(pcr, FUNC_FORCE_CTL, FUNC_FORCE_UPME_XMT_DBG,
>> +		FUNC_FORCE_UPME_XMT_DBG);
>> +	rtsx_pci_write_register(pcr, PCLK_CTL, 0x04, 0x04);
>> +	rtsx_pci_write_register(pcr, PM_EVENT_DEBUG, PME_DEBUG_0, PME_DEBUG_0);
>> +	rtsx_pci_write_register(pcr, PM_CLK_FORCE_CTL, 0xFF, 0x11);
>> +
>> +	return 0;
>> +}
>> +
>> +/* rts522a operations mainly derived from rts5227, except phy/hw init setting.
>> + */
>> +static const struct pcr_ops rts522a_pcr_ops = {
>> +	.fetch_vendor_settings = rts5227_fetch_vendor_settings,
>> +	.extra_init_hw = rts522a_extra_init_hw,
>> +	.optimize_phy = rts522a_optimize_phy,
>> +	.turn_on_led = rts5227_turn_on_led,
>> +	.turn_off_led = rts5227_turn_off_led,
>> +	.enable_auto_blink = rts5227_enable_auto_blink,
>> +	.disable_auto_blink = rts5227_disable_auto_blink,
>> +	.card_power_on = rts5227_card_power_on,
>> +	.card_power_off = rts5227_card_power_off,
>> +	.switch_output_voltage = rts5227_switch_output_voltage,
>> +	.cd_deglitch = NULL,
>> +	.conv_clk_and_div_n = NULL,
>> +	.force_power_down = rts5227_force_power_down,
>> +};
>> +
>> +void rts522a_init_params(struct rtsx_pcr *pcr)
>> +{
>> +	rts5227_init_params(pcr);
>> +
>> +	pcr->reg_pm_ctrl3 = RTS522A_PM_CTRL3;
>>   }
>> diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
>> index a66540a..ccd8918 100644
>> --- a/drivers/mfd/rtsx_pcr.c
>> +++ b/drivers/mfd/rtsx_pcr.c
>> @@ -55,6 +55,7 @@ static const struct pci_device_id rtsx_pci_ids[] = {
>>   	{ PCI_DEVICE(0x10EC, 0x5229), PCI_CLASS_OTHERS << 16, 0xFF0000 },
>>   	{ PCI_DEVICE(0x10EC, 0x5289), PCI_CLASS_OTHERS << 16, 0xFF0000 },
>>   	{ PCI_DEVICE(0x10EC, 0x5227), PCI_CLASS_OTHERS << 16, 0xFF0000 },
>> +	{ PCI_DEVICE(0x10EC, 0x522A), PCI_CLASS_OTHERS << 16, 0xFF0000 },
>>   	{ PCI_DEVICE(0x10EC, 0x5249), PCI_CLASS_OTHERS << 16, 0xFF0000 },
>>   	{ PCI_DEVICE(0x10EC, 0x5287), PCI_CLASS_OTHERS << 16, 0xFF0000 },
>>   	{ PCI_DEVICE(0x10EC, 0x5286), PCI_CLASS_OTHERS << 16, 0xFF0000 },
>> @@ -1102,6 +1103,10 @@ static int rtsx_pci_init_chip(struct rtsx_pcr *pcr)
>>   		rts5227_init_params(pcr);
>>   		break;
>>   
>> +	case 0x522A:
>> +		rts522a_init_params(pcr);
>> +		break;
>> +
>>   	case 0x5249:
>>   		rts5249_init_params(pcr);
>>   		break;
>> diff --git a/drivers/mfd/rtsx_pcr.h b/drivers/mfd/rtsx_pcr.h
>> index ce48842..931d1ae 100644
>> --- a/drivers/mfd/rtsx_pcr.h
>> +++ b/drivers/mfd/rtsx_pcr.h
>> @@ -27,6 +27,8 @@
>>   #define MIN_DIV_N_PCR		80
>>   #define MAX_DIV_N_PCR		208
>>   
>> +#define RTS522A_PM_CTRL3		0xFF7E
>> +
>>   #define RTS524A_PME_FORCE_CTL		0xFF78
>>   #define RTS524A_PM_CTRL3		0xFF7E
>>   
>> @@ -38,6 +40,7 @@ void rts5229_init_params(struct rtsx_pcr *pcr);
>>   void rtl8411_init_params(struct rtsx_pcr *pcr);
>>   void rtl8402_init_params(struct rtsx_pcr *pcr);
>>   void rts5227_init_params(struct rtsx_pcr *pcr);
>> +void rts522a_init_params(struct rtsx_pcr *pcr);
>>   void rts5249_init_params(struct rtsx_pcr *pcr);
>>   void rts524a_init_params(struct rtsx_pcr *pcr);
>>   void rts525a_init_params(struct rtsx_pcr *pcr);
>> diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
>> index ff843e7..7eb7cba 100644
>> --- a/include/linux/mfd/rtsx_pci.h
>> +++ b/include/linux/mfd/rtsx_pci.h
>> @@ -589,6 +589,7 @@
>>   #define   FORCE_ASPM_NO_ASPM		0x00
>>   #define PM_CLK_FORCE_CTL		0xFE58
>>   #define FUNC_FORCE_CTL			0xFE59
>> +#define   FUNC_FORCE_UPME_XMT_DBG	0x02
>>   #define PERST_GLITCH_WIDTH		0xFE5C
>>   #define CHANGE_LINK_STATE		0xFE5B
>>   #define RESET_LOAD_REG			0xFE5E
>> @@ -712,6 +713,7 @@
>>   #define PHY_RCR1			0x02
>>   #define   PHY_RCR1_ADP_TIME_4		0x0400
>>   #define   PHY_RCR1_VCO_COARSE		0x001F
>> +#define   PHY_RCR1_INIT_27S		0x0A1F
>>   #define PHY_SSCCR2			0x02
>>   #define   PHY_SSCCR2_PLL_NCODE		0x0A00
>>   #define   PHY_SSCCR2_TIME0		0x001C
>> @@ -724,6 +726,7 @@
>>   #define   PHY_RCR2_FREQSEL_12		0x0040
>>   #define   PHY_RCR2_CDR_SC_12P		0x0010
>>   #define   PHY_RCR2_CALIB_LATE		0x0002
>> +#define   PHY_RCR2_INIT_27S		0xC152
>>   #define PHY_SSCCR3			0x03
>>   #define   PHY_SSCCR3_STEP_IN		0x2740
>>   #define   PHY_SSCCR3_CHECK_DELAY	0x0008
>> @@ -800,12 +803,14 @@
>>   #define   PHY_ANA1A_RXT_BIST		0x0500
>>   #define   PHY_ANA1A_TXR_BIST		0x0040
>>   #define   PHY_ANA1A_REV			0x0006
>> +#define   PHY_FLD0_INIT_27S		0x2546
>>   #define PHY_FLD1			0x1B
>>   #define PHY_FLD2			0x1C
>>   #define PHY_FLD3			0x1D
>>   #define   PHY_FLD3_TIMER_4		0x0800
>>   #define   PHY_FLD3_TIMER_6		0x0020
>>   #define   PHY_FLD3_RXDELINK		0x0004
>> +#define   PHY_FLD3_INIT_27S		0x0004
>>   #define PHY_ANA1D			0x1D
>>   #define   PHY_ANA1D_DEBUG_ADDR		0x0004
>>   #define _PHY_FLD0			0x1D
>> @@ -824,6 +829,7 @@
>>   #define   PHY_FLD4_BER_COUNT		0x00E0
>>   #define   PHY_FLD4_BER_TIMER		0x000A
>>   #define   PHY_FLD4_BER_CHK_EN		0x0001
>> +#define   PHY_FLD4_INIT_27S		0x5C7F
>>   #define PHY_DIG1E			0x1E
>>   #define   PHY_DIG1E_REV			0x4000
>>   #define   PHY_DIG1E_D0_X_D1		0x1000
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