diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-mchp-pci1xxxx.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-mchp-pci1xxxx.c | 68 |
1 files changed, 35 insertions, 33 deletions
diff --git a/drivers/i2c/busses/i2c-mchp-pci1xxxx.c b/drivers/i2c/busses/i2c-mchp-pci1xxxx.c index 09af75921147..bc0f1a0c8ee1 100644 --- a/drivers/i2c/busses/i2c-mchp-pci1xxxx.c +++ b/drivers/i2c/busses/i2c-mchp-pci1xxxx.c @@ -48,9 +48,9 @@ * SR_HOLD_TIME_XK_TICKS field will indicate the number of ticks of the * baud clock required to program 'Hold Time' at X KHz. */ -#define SR_HOLD_TIME_100K_TICKS 133 -#define SR_HOLD_TIME_400K_TICKS 20 -#define SR_HOLD_TIME_1000K_TICKS 11 +#define SR_HOLD_TIME_100K_TICKS 150 +#define SR_HOLD_TIME_400K_TICKS 20 +#define SR_HOLD_TIME_1000K_TICKS 12 #define SMB_CORE_COMPLETION_REG_OFF3 (SMBUS_MAST_CORE_ADDR_BASE + 0x23) @@ -65,17 +65,17 @@ * the baud clock required to program 'fair idle delay' at X KHz. Fair idle * delay establishes the MCTP T(IDLE_DELAY) period. */ -#define FAIR_BUS_IDLE_MIN_100K_TICKS 969 -#define FAIR_BUS_IDLE_MIN_400K_TICKS 157 -#define FAIR_BUS_IDLE_MIN_1000K_TICKS 157 +#define FAIR_BUS_IDLE_MIN_100K_TICKS 992 +#define FAIR_BUS_IDLE_MIN_400K_TICKS 500 +#define FAIR_BUS_IDLE_MIN_1000K_TICKS 500 /* * FAIR_IDLE_DELAY_XK_TICKS field will indicate the number of ticks of the * baud clock required to satisfy the fairness protocol at X KHz. */ -#define FAIR_IDLE_DELAY_100K_TICKS 1000 -#define FAIR_IDLE_DELAY_400K_TICKS 500 -#define FAIR_IDLE_DELAY_1000K_TICKS 500 +#define FAIR_IDLE_DELAY_100K_TICKS 963 +#define FAIR_IDLE_DELAY_400K_TICKS 156 +#define FAIR_IDLE_DELAY_1000K_TICKS 156 #define SMB_IDLE_SCALING_100K \ ((FAIR_IDLE_DELAY_100K_TICKS << 16) | FAIR_BUS_IDLE_MIN_100K_TICKS) @@ -105,7 +105,7 @@ */ #define BUS_CLK_100K_LOW_PERIOD_TICKS 156 #define BUS_CLK_400K_LOW_PERIOD_TICKS 41 -#define BUS_CLK_1000K_LOW_PERIOD_TICKS 15 +#define BUS_CLK_1000K_LOW_PERIOD_TICKS 15 /* * BUS_CLK_XK_HIGH_PERIOD_TICKS field defines the number of I2C Baud Clock @@ -131,7 +131,7 @@ */ #define CLK_SYNC_100K 4 #define CLK_SYNC_400K 4 -#define CLK_SYNC_1000K 4 +#define CLK_SYNC_1000K 4 #define SMB_CORE_DATA_TIMING_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x40) @@ -142,25 +142,25 @@ * determines the SCLK hold time following SDAT driven low during the first * START bit in a transfer. */ -#define FIRST_START_HOLD_100K_TICKS 22 -#define FIRST_START_HOLD_400K_TICKS 16 -#define FIRST_START_HOLD_1000K_TICKS 6 +#define FIRST_START_HOLD_100K_TICKS 23 +#define FIRST_START_HOLD_400K_TICKS 8 +#define FIRST_START_HOLD_1000K_TICKS 12 /* * STOP_SETUP_XK_TICKS will indicate the number of ticks of the baud clock * required to program 'STOP_SETUP' timer at X KHz. This timer determines the * SDAT setup time from the rising edge of SCLK for a STOP condition. */ -#define STOP_SETUP_100K_TICKS 157 +#define STOP_SETUP_100K_TICKS 150 #define STOP_SETUP_400K_TICKS 20 -#define STOP_SETUP_1000K_TICKS 12 +#define STOP_SETUP_1000K_TICKS 12 /* * RESTART_SETUP_XK_TICKS will indicate the number of ticks of the baud clock * required to program 'RESTART_SETUP' timer at X KHz. This timer determines the * SDAT setup time from the rising edge of SCLK for a repeated START condition. */ -#define RESTART_SETUP_100K_TICKS 157 +#define RESTART_SETUP_100K_TICKS 156 #define RESTART_SETUP_400K_TICKS 20 #define RESTART_SETUP_1000K_TICKS 12 @@ -169,7 +169,7 @@ * required to program 'DATA_HOLD' timer at X KHz. This timer determines the * SDAT hold time following SCLK driven low. */ -#define DATA_HOLD_100K_TICKS 2 +#define DATA_HOLD_100K_TICKS 12 #define DATA_HOLD_400K_TICKS 2 #define DATA_HOLD_1000K_TICKS 2 @@ -190,35 +190,35 @@ * Bus Idle Minimum time = BUS_IDLE_MIN[7:0] x Baud_Clock_Period x * (BUS_IDLE_MIN_XK_TICKS[7] ? 4,1) */ -#define BUS_IDLE_MIN_100K_TICKS 167UL -#define BUS_IDLE_MIN_400K_TICKS 139UL -#define BUS_IDLE_MIN_1000K_TICKS 133UL +#define BUS_IDLE_MIN_100K_TICKS 36UL +#define BUS_IDLE_MIN_400K_TICKS 10UL +#define BUS_IDLE_MIN_1000K_TICKS 4UL /* * CTRL_CUM_TIME_OUT_XK_TICKS defines SMBus Controller Cumulative Time-Out. * SMBus Controller Cumulative Time-Out duration = * CTRL_CUM_TIME_OUT_XK_TICKS[7:0] x Baud_Clock_Period x 2048 */ -#define CTRL_CUM_TIME_OUT_100K_TICKS 159 -#define CTRL_CUM_TIME_OUT_400K_TICKS 159 -#define CTRL_CUM_TIME_OUT_1000K_TICKS 159 +#define CTRL_CUM_TIME_OUT_100K_TICKS 76 +#define CTRL_CUM_TIME_OUT_400K_TICKS 76 +#define CTRL_CUM_TIME_OUT_1000K_TICKS 76 /* * TARGET_CUM_TIME_OUT_XK_TICKS defines SMBus Target Cumulative Time-Out duration. * SMBus Target Cumulative Time-Out duration = TARGET_CUM_TIME_OUT_XK_TICKS[7:0] x * Baud_Clock_Period x 4096 */ -#define TARGET_CUM_TIME_OUT_100K_TICKS 199 -#define TARGET_CUM_TIME_OUT_400K_TICKS 199 -#define TARGET_CUM_TIME_OUT_1000K_TICKS 199 +#define TARGET_CUM_TIME_OUT_100K_TICKS 95 +#define TARGET_CUM_TIME_OUT_400K_TICKS 95 +#define TARGET_CUM_TIME_OUT_1000K_TICKS 95 /* * CLOCK_HIGH_TIME_OUT_XK defines Clock High time out period. * Clock High time out period = CLOCK_HIGH_TIME_OUT_XK[7:0] x Baud_Clock_Period x 8 */ -#define CLOCK_HIGH_TIME_OUT_100K_TICKS 204 -#define CLOCK_HIGH_TIME_OUT_400K_TICKS 204 -#define CLOCK_HIGH_TIME_OUT_1000K_TICKS 204 +#define CLOCK_HIGH_TIME_OUT_100K_TICKS 97 +#define CLOCK_HIGH_TIME_OUT_400K_TICKS 97 +#define CLOCK_HIGH_TIME_OUT_1000K_TICKS 97 #define TO_SCALING_100K \ ((BUS_IDLE_MIN_100K_TICKS << 24) | (CTRL_CUM_TIME_OUT_100K_TICKS << 16) | \ @@ -1048,7 +1048,7 @@ static u32 pci1xxxx_i2c_get_funcs(struct i2c_adapter *adap) } static const struct i2c_algorithm pci1xxxx_i2c_algo = { - .master_xfer = pci1xxxx_i2c_xfer, + .xfer = pci1xxxx_i2c_xfer, .functionality = pci1xxxx_i2c_get_funcs, }; @@ -1118,8 +1118,10 @@ static int pci1xxxx_i2c_resume(struct device *dev) static DEFINE_SIMPLE_DEV_PM_OPS(pci1xxxx_i2c_pm_ops, pci1xxxx_i2c_suspend, pci1xxxx_i2c_resume); -static void pci1xxxx_i2c_shutdown(struct pci1xxxx_i2c *i2c) +static void pci1xxxx_i2c_shutdown(void *data) { + struct pci1xxxx_i2c *i2c = data; + pci1xxxx_i2c_config_padctrl(i2c, false); pci1xxxx_i2c_configure_core_reg(i2c, false); } @@ -1156,7 +1158,7 @@ static int pci1xxxx_i2c_probe_pci(struct pci_dev *pdev, init_completion(&i2c->i2c_xfer_done); pci1xxxx_i2c_init(i2c); - ret = devm_add_action(dev, (void (*)(void *))pci1xxxx_i2c_shutdown, i2c); + ret = devm_add_action(dev, pci1xxxx_i2c_shutdown, i2c); if (ret) return ret; |