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-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c91
1 files changed, 43 insertions, 48 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 6cac0651d0f1..8737adf6d386 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -70,6 +70,7 @@ static inline struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_dev
70 int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info); 70 int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
71 struct _ATOM_GPIO_I2C_INFO *i2c_info; 71 struct _ATOM_GPIO_I2C_INFO *i2c_info;
72 uint16_t data_offset; 72 uint16_t data_offset;
73 int i;
73 74
74 memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec)); 75 memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
75 i2c.valid = false; 76 i2c.valid = false;
@@ -78,38 +79,43 @@ static inline struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_dev
78 79
79 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset); 80 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
80 81
81 gpio = &i2c_info->asGPIO_Info[id];
82
83 i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
84 i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
85 i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
86 i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
87 i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
88 i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
89 i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
90 i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
91 i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
92 i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
93 i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
94 i2c.en_data_mask = (1 << gpio->ucDataEnShift);
95 i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
96 i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
97 i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
98 i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
99
100 if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
101 i2c.hw_capable = true;
102 else
103 i2c.hw_capable = false;
104 82
105 if (gpio->sucI2cId.ucAccess == 0xa0) 83 for (i = 0; i < ATOM_MAX_SUPPORTED_DEVICE; i++) {
106 i2c.mm_i2c = true; 84 gpio = &i2c_info->asGPIO_Info[i];
107 else 85
108 i2c.mm_i2c = false; 86 if (gpio->sucI2cId.ucAccess == id) {
87 i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
88 i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
89 i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
90 i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
91 i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
92 i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
93 i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
94 i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
95 i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
96 i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
97 i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
98 i2c.en_data_mask = (1 << gpio->ucDataEnShift);
99 i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
100 i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
101 i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
102 i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
103
104 if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
105 i2c.hw_capable = true;
106 else
107 i2c.hw_capable = false;
108
109 if (gpio->sucI2cId.ucAccess == 0xa0)
110 i2c.mm_i2c = true;
111 else
112 i2c.mm_i2c = false;
109 113
110 i2c.i2c_id = gpio->sucI2cId.ucAccess; 114 i2c.i2c_id = gpio->sucI2cId.ucAccess;
111 115
112 i2c.valid = true; 116 i2c.valid = true;
117 }
118 }
113 119
114 return i2c; 120 return i2c;
115} 121}
@@ -503,6 +509,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
503 usRecordOffset)); 509 usRecordOffset));
504 ATOM_I2C_RECORD *i2c_record; 510 ATOM_I2C_RECORD *i2c_record;
505 ATOM_HPD_INT_RECORD *hpd_record; 511 ATOM_HPD_INT_RECORD *hpd_record;
512 ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
506 hpd.hpd = RADEON_HPD_NONE; 513 hpd.hpd = RADEON_HPD_NONE;
507 514
508 while (record->ucRecordType > 0 515 while (record->ucRecordType > 0
@@ -514,10 +521,12 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
514 i2c_record = 521 i2c_record =
515 (ATOM_I2C_RECORD *) 522 (ATOM_I2C_RECORD *)
516 record; 523 record;
524 i2c_config =
525 (ATOM_I2C_ID_CONFIG_ACCESS *)
526 &i2c_record->sucI2cId;
517 ddc_bus = radeon_lookup_i2c_gpio(rdev, 527 ddc_bus = radeon_lookup_i2c_gpio(rdev,
518 i2c_record-> 528 i2c_config->
519 sucI2cId. 529 ucAccess);
520 bfI2C_LineMux);
521 break; 530 break;
522 case ATOM_HPD_INT_RECORD_TYPE: 531 case ATOM_HPD_INT_RECORD_TYPE:
523 hpd_record = 532 hpd_record =
@@ -670,22 +679,8 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
670 679
671 dac = ci.sucConnectorInfo.sbfAccess.bfAssociatedDAC; 680 dac = ci.sucConnectorInfo.sbfAccess.bfAssociatedDAC;
672 681
673 if ((rdev->family == CHIP_RS690) || 682 bios_connectors[i].line_mux =
674 (rdev->family == CHIP_RS740)) { 683 ci.sucI2cId.ucAccess;
675 if ((i == ATOM_DEVICE_DFP2_INDEX)
676 && (ci.sucI2cId.sbfAccess.bfI2C_LineMux == 2))
677 bios_connectors[i].line_mux =
678 ci.sucI2cId.sbfAccess.bfI2C_LineMux + 1;
679 else if ((i == ATOM_DEVICE_DFP3_INDEX)
680 && (ci.sucI2cId.sbfAccess.bfI2C_LineMux == 1))
681 bios_connectors[i].line_mux =
682 ci.sucI2cId.sbfAccess.bfI2C_LineMux + 1;
683 else
684 bios_connectors[i].line_mux =
685 ci.sucI2cId.sbfAccess.bfI2C_LineMux;
686 } else
687 bios_connectors[i].line_mux =
688 ci.sucI2cId.sbfAccess.bfI2C_LineMux;
689 684
690 /* give tv unique connector ids */ 685 /* give tv unique connector ids */
691 if (i == ATOM_DEVICE_TV1_INDEX) { 686 if (i == ATOM_DEVICE_TV1_INDEX) {
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-25 11:20:22 -0500