diff options
Diffstat (limited to 'drivers/media/i2c/smiapp/smiapp-quirk.c')
| -rw-r--r-- | drivers/media/i2c/smiapp/smiapp-quirk.c | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/drivers/media/i2c/smiapp/smiapp-quirk.c b/drivers/media/i2c/smiapp/smiapp-quirk.c new file mode 100644 index 000000000000..cf048128367c --- /dev/null +++ b/drivers/media/i2c/smiapp/smiapp-quirk.c @@ -0,0 +1,306 @@ +/* + * drivers/media/i2c/smiapp/smiapp-quirk.c + * + * Generic driver for SMIA/SMIA++ compliant camera modules + * + * Copyright (C) 2011--2012 Nokia Corporation + * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/delay.h> + +#include "smiapp.h" + +static int smiapp_write_8(struct smiapp_sensor *sensor, u16 reg, u8 val) +{ + return smiapp_write(sensor, (SMIA_REG_8BIT << 16) | reg, val); +} + +static int smiapp_write_8s(struct smiapp_sensor *sensor, + struct smiapp_reg_8 *regs, int len) +{ + struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); + int rval; + + for (; len > 0; len--, regs++) { + rval = smiapp_write_8(sensor, regs->reg, regs->val); + if (rval < 0) { + dev_err(&client->dev, + "error %d writing reg 0x%4.4x, val 0x%2.2x", + rval, regs->reg, regs->val); + return rval; + } + } + + return 0; +} + +void smiapp_replace_limit(struct smiapp_sensor *sensor, + u32 limit, u32 val) +{ + struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); + + dev_dbg(&client->dev, "quirk: 0x%8.8x \"%s\" = %d, 0x%x\n", + smiapp_reg_limits[limit].addr, + smiapp_reg_limits[limit].what, val, val); + sensor->limits[limit] = val; +} + +int smiapp_replace_limit_at(struct smiapp_sensor *sensor, + u32 reg, u32 val) +{ + struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); + int i; + + for (i = 0; smiapp_reg_limits[i].addr; i++) { + if ((smiapp_reg_limits[i].addr & 0xffff) != reg) + continue; + + smiapp_replace_limit(sensor, i, val); + + return 0; + } + + dev_dbg(&client->dev, "quirk: bad register 0x%4.4x\n", reg); + + return -EINVAL; +} + +bool smiapp_quirk_reg(struct smiapp_sensor *sensor, + u32 reg, u32 *val) +{ + struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); + const struct smia_reg *sreg; + + if (!sensor->minfo.quirk) + return false; + + sreg = sensor->minfo.quirk->regs; + + if (!sreg) + return false; + + while (sreg->type) { + u16 type = reg >> 16; + u16 reg16 = reg; + + if (sreg->type != type || sreg->reg != reg16) { + sreg++; + continue; + } + + switch ((u8)type) { + case SMIA_REG_8BIT: + dev_dbg(&client->dev, "quirk: 0x%8.8x: 0x%2.2x\n", + reg, sreg->val); + break; + case SMIA_REG_16BIT: + dev_dbg(&client->dev, "quirk: 0x%8.8x: 0x%4.4x\n", + reg, sreg->val); + break; + case SMIA_REG_32BIT: + dev_dbg(&client->dev, "quirk: 0x%8.8x: 0x%8.8x\n", + reg, sreg->val); + break; + } + + *val = sreg->val; + + return true; + } + + return false; +} + +static int jt8ew9_limits(struct smiapp_sensor *sensor) +{ + if (sensor->minfo.revision_number_major < 0x03) + sensor->frame_skip = 1; + + /* Below 24 gain doesn't have effect at all, */ + /* but ~59 is needed for full dynamic range */ + smiapp_replace_limit(sensor, SMIAPP_LIMIT_ANALOGUE_GAIN_CODE_MIN, 59); + smiapp_replace_limit( + sensor, SMIAPP_LIMIT_ANALOGUE_GAIN_CODE_MAX, 6000); + + return 0; +} + +static int jt8ew9_post_poweron(struct smiapp_sensor *sensor) +{ + struct smiapp_reg_8 regs[] = { + { 0x30a3, 0xd8 }, /* Output port control : LVDS ports only */ + { 0x30ae, 0x00 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */ + { 0x30af, 0xd0 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */ + { 0x322d, 0x04 }, /* Adjusting Processing Image Size to Scaler Toshiba Recommendation Setting */ + { 0x3255, 0x0f }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */ + { 0x3256, 0x15 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */ + { 0x3258, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */ + { 0x3259, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */ + { 0x325f, 0x7c }, /* Analog Gain Control Toshiba Recommendation Setting */ + { 0x3302, 0x06 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */ + { 0x3304, 0x00 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */ + { 0x3307, 0x22 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */ + { 0x3308, 0x8d }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */ + { 0x331e, 0x0f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ + { 0x3320, 0x30 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ + { 0x3321, 0x11 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ + { 0x3322, 0x98 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ + { 0x3323, 0x64 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ + { 0x3325, 0x83 }, /* Read Out Timing Control Toshiba Recommendation Setting */ + { 0x3330, 0x18 }, /* Read Out Timing Control Toshiba Recommendation Setting */ + { 0x333c, 0x01 }, /* Read Out Timing Control Toshiba Recommendation Setting */ + { 0x3345, 0x2f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ + { 0x33de, 0x38 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */ + /* Taken from v03. No idea what the rest are. */ + { 0x32e0, 0x05 }, + { 0x32e1, 0x05 }, + { 0x32e2, 0x04 }, + { 0x32e5, 0x04 }, + { 0x32e6, 0x04 }, + + }; + + return smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs)); +} + +const struct smiapp_quirk smiapp_jt8ew9_quirk = { + .limits = jt8ew9_limits, + .post_poweron = jt8ew9_post_poweron, +}; + +static int imx125es_post_poweron(struct smiapp_sensor *sensor) +{ + /* Taken from v02. No idea what the other two are. */ + struct smiapp_reg_8 regs[] = { + /* + * 0x3302: clk during frame blanking: + * 0x00 - HS mode, 0x01 - LP11 + */ + { 0x3302, 0x01 }, + { 0x302d, 0x00 }, + { 0x3b08, 0x8c }, + }; + + return smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs)); +} + +const struct smiapp_quirk smiapp_imx125es_quirk = { + .post_poweron = imx125es_post_poweron, +}; + +static int jt8ev1_limits(struct smiapp_sensor *sensor) +{ + smiapp_replace_limit(sensor, SMIAPP_LIMIT_X_ADDR_MAX, 4271); + smiapp_replace_limit(sensor, + SMIAPP_LIMIT_MIN_LINE_BLANKING_PCK_BIN, 184); + + return 0; +} + +static int jt8ev1_post_poweron(struct smiapp_sensor *sensor) +{ + struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); + int rval; + + struct smiapp_reg_8 regs[] = { + { 0x3031, 0xcd }, /* For digital binning (EQ_MONI) */ + { 0x30a3, 0xd0 }, /* FLASH STROBE enable */ + { 0x3237, 0x00 }, /* For control of pulse timing for ADC */ + { 0x3238, 0x43 }, + { 0x3301, 0x06 }, /* For analog bias for sensor */ + { 0x3302, 0x06 }, + { 0x3304, 0x00 }, + { 0x3305, 0x88 }, + { 0x332a, 0x14 }, + { 0x332c, 0x6b }, + { 0x3336, 0x01 }, + { 0x333f, 0x1f }, + { 0x3355, 0x00 }, + { 0x3356, 0x20 }, + { 0x33bf, 0x20 }, /* Adjust the FBC speed */ + { 0x33c9, 0x20 }, + { 0x33ce, 0x30 }, /* Adjust the parameter for logic function */ + { 0x33cf, 0xec }, /* For Black sun */ + { 0x3328, 0x80 }, /* Ugh. No idea what's this. */ + }; + + struct smiapp_reg_8 regs_96[] = { + { 0x30ae, 0x00 }, /* For control of ADC clock */ + { 0x30af, 0xd0 }, + { 0x30b0, 0x01 }, + }; + + rval = smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs)); + if (rval < 0) + return rval; + + switch (sensor->platform_data->ext_clk) { + case 9600000: + return smiapp_write_8s(sensor, regs_96, + ARRAY_SIZE(regs_96)); + default: + dev_warn(&client->dev, "no MSRs for %d Hz ext_clk\n", + sensor->platform_data->ext_clk); + return 0; + } +} + +static int jt8ev1_pre_streamon(struct smiapp_sensor *sensor) +{ + return smiapp_write_8(sensor, 0x3328, 0x00); +} + +static int jt8ev1_post_streamoff(struct smiapp_sensor *sensor) +{ + int rval; + + /* Workaround: allows fast standby to work properly */ + rval = smiapp_write_8(sensor, 0x3205, 0x04); + if (rval < 0) + return rval; + + /* Wait for 1 ms + one line => 2 ms is likely enough */ + usleep_range(2000, 2000); + + /* Restore it */ + rval = smiapp_write_8(sensor, 0x3205, 0x00); + if (rval < 0) + return rval; + + return smiapp_write_8(sensor, 0x3328, 0x80); +} + +const struct smiapp_quirk smiapp_jt8ev1_quirk = { + .limits = jt8ev1_limits, + .post_poweron = jt8ev1_post_poweron, + .pre_streamon = jt8ev1_pre_streamon, + .post_streamoff = jt8ev1_post_streamoff, + .flags = SMIAPP_QUIRK_FLAG_OP_PIX_CLOCK_PER_LANE, +}; + +static int tcm8500md_limits(struct smiapp_sensor *sensor) +{ + smiapp_replace_limit(sensor, SMIAPP_LIMIT_MIN_PLL_IP_FREQ_HZ, 2700000); + + return 0; +} + +const struct smiapp_quirk smiapp_tcm8500md_quirk = { + .limits = tcm8500md_limits, +}; |