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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 19:02:41 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 19:02:41 -0700 |
commit | 9ae6d039224def926656206725ae6e89d1331417 (patch) | |
tree | 8ebee863f61da7d095575ca7ef17812d3952389c /drivers/video/via/vt1636.c | |
parent | bdab225015fbbb45ccd8913f5d7c01b2bf67d8b2 (diff) | |
parent | 51f4332bb5fef869e8a89895a7bac6b4c03b4946 (diff) | |
download | blackbird-op-linux-9ae6d039224def926656206725ae6e89d1331417.tar.gz blackbird-op-linux-9ae6d039224def926656206725ae6e89d1331417.zip |
Merge branch 'viafb-next' of git://github.com/schandinat/linux-2.6
* 'viafb-next' of git://github.com/schandinat/linux-2.6: (29 commits)
viafb: add initial VX900 support
viafb: fix hardware acceleration for suspend & resume
viafb: make suspend and resume work (on all machines?)
viafb: restore display on resume
Minimal support for viafb suspend/resume
viafb: use proper register for colour when doing fill ops
viafb: add documentation for proc interface
viafb: rename output devices
viafb: add a mapping of supported output devices
viafb: set sync polarity for all output devices
viafb: add function to change sync polarity per device
viafb: reduce I2C timeout and delay
viafb: enable I2C for CRT
viafb: fix i2c_transfer error handling
viafb: vt1636 cleanup
viafb: introduce per output device power management
viafb: limit LCD code impact
viafb: add interface for output device configuration
viafb: merge the remaining output path with enable functions
viafb: use new device routing
...
Diffstat (limited to 'drivers/video/via/vt1636.c')
-rw-r--r-- | drivers/video/via/vt1636.c | 121 |
1 files changed, 41 insertions, 80 deletions
diff --git a/drivers/video/via/vt1636.c b/drivers/video/via/vt1636.c index d65bf1aee87c..60e4192c2b34 100644 --- a/drivers/video/via/vt1636.c +++ b/drivers/video/via/vt1636.c @@ -23,6 +23,34 @@ #include <linux/via_i2c.h> #include "global.h" +static const struct IODATA common_init_data[] = { +/* Index, Mask, Value */ + /* Set panel power sequence timing */ + {0x10, 0xC0, 0x00}, + /* T1: VDD on - Data on. Each increment is 1 ms. (50ms = 031h) */ + {0x0B, 0xFF, 0x40}, + /* T2: Data on - Backlight on. Each increment is 2 ms. (210ms = 068h) */ + {0x0C, 0xFF, 0x31}, + /* T3: Backlight off -Data off. Each increment is 2 ms. (210ms = 068h)*/ + {0x0D, 0xFF, 0x31}, + /* T4: Data off - VDD off. Each increment is 1 ms. (50ms = 031h) */ + {0x0E, 0xFF, 0x68}, + /* T5: VDD off - VDD on. Each increment is 100 ms. (500ms = 04h) */ + {0x0F, 0xFF, 0x68}, + /* LVDS output power up */ + {0x09, 0xA0, 0xA0}, + /* turn on back light */ + {0x10, 0x33, 0x13} +}; + +/* Index, Mask, Value */ +static const struct IODATA dual_channel_enable_data = {0x08, 0xF0, 0xE0}; +static const struct IODATA single_channel_enable_data = {0x08, 0xF0, 0x00}; +static const struct IODATA dithering_enable_data = {0x0A, 0x70, 0x50}; +static const struct IODATA dithering_disable_data = {0x0A, 0x70, 0x00}; +static const struct IODATA vdd_on_data = {0x10, 0x20, 0x20}; +static const struct IODATA vdd_off_data = {0x10, 0x20, 0x00}; + u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information *plvds_setting_info, struct lvds_chip_information *plvds_chip_info, u8 index) @@ -55,108 +83,41 @@ void viafb_init_lvds_vt1636(struct lvds_setting_information int reg_num, i; /* Common settings: */ - reg_num = ARRAY_SIZE(COMMON_INIT_TBL_VT1636); - - for (i = 0; i < reg_num; i++) { + reg_num = ARRAY_SIZE(common_init_data); + for (i = 0; i < reg_num; i++) viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, - plvds_chip_info, - COMMON_INIT_TBL_VT1636[i]); - } + plvds_chip_info, common_init_data[i]); /* Input Data Mode Select */ - if (plvds_setting_info->device_lcd_dualedge) { + if (plvds_setting_info->device_lcd_dualedge) viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, - plvds_chip_info, - DUAL_CHANNEL_ENABLE_TBL_VT1636[0]); - } else { + plvds_chip_info, dual_channel_enable_data); + else viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, - plvds_chip_info, - SINGLE_CHANNEL_ENABLE_TBL_VT1636[0]); - } + plvds_chip_info, single_channel_enable_data); - if (plvds_setting_info->LCDDithering) { + if (plvds_setting_info->LCDDithering) viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, - plvds_chip_info, - DITHERING_ENABLE_TBL_VT1636[0]); - } else { + plvds_chip_info, dithering_enable_data); + else viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, - plvds_chip_info, - DITHERING_DISABLE_TBL_VT1636[0]); - } + plvds_chip_info, dithering_disable_data); } void viafb_enable_lvds_vt1636(struct lvds_setting_information *plvds_setting_info, struct lvds_chip_information *plvds_chip_info) { - viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info, - VDD_ON_TBL_VT1636[0]); - - /* Pad on: */ - switch (plvds_chip_info->output_interface) { - case INTERFACE_DVP0: - { - viafb_write_reg_mask(SR1E, VIASR, 0xC0, 0xC0); - break; - } - - case INTERFACE_DVP1: - { - viafb_write_reg_mask(SR1E, VIASR, 0x30, 0x30); - break; - } - - case INTERFACE_DFP_LOW: - { - viafb_write_reg_mask(SR2A, VIASR, 0x03, 0x03); - break; - } - - case INTERFACE_DFP_HIGH: - { - viafb_write_reg_mask(SR2A, VIASR, 0x03, 0x0C); - break; - } - - } + vdd_on_data); } void viafb_disable_lvds_vt1636(struct lvds_setting_information *plvds_setting_info, struct lvds_chip_information *plvds_chip_info) { - viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info, - VDD_OFF_TBL_VT1636[0]); - - /* Pad off: */ - switch (plvds_chip_info->output_interface) { - case INTERFACE_DVP0: - { - viafb_write_reg_mask(SR1E, VIASR, 0x00, 0xC0); - break; - } - - case INTERFACE_DVP1: - { - viafb_write_reg_mask(SR1E, VIASR, 0x00, 0x30); - break; - } - - case INTERFACE_DFP_LOW: - { - viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x03); - break; - } - - case INTERFACE_DFP_HIGH: - { - viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x0C); - break; - } - - } + vdd_off_data); } bool viafb_lvds_identify_vt1636(u8 i2c_adapter) |