ccs-quirk.c

  1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * drivers/media/i2c/ccs/ccs-quirk.c
  4 *
  5 * Generic driver for MIPI CCS/SMIA/SMIA++ compliant camera sensors
  6 *
  7 * Copyright (C) 2020 Intel Corporation
  8 * Copyright (C) 2011--2012 Nokia Corporation
  9 * Contact: Sakari Ailus <sakari.ailus@linux.intel.com>
 10 */
 11
 12#include <linux/delay.h>
 13
 14#include "ccs.h"
 15#include "ccs-limits.h"
 16
 17static int ccs_write_addr_8s(struct ccs_sensor *sensor,
 18			     const struct ccs_reg_8 *regs, int len)
 19{
 20	struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
 21	int rval;
 22
 23	for (; len > 0; len--, regs++) {
 24		rval = ccs_write_addr(sensor, regs->reg, regs->val);
 25		if (rval < 0) {
 26			dev_err(&client->dev,
 27				"error %d writing reg 0x%4.4x, val 0x%2.2x",
 28				rval, regs->reg, regs->val);
 29			return rval;
 30		}
 31	}
 32
 33	return 0;
 34}
 35
 36static int jt8ew9_limits(struct ccs_sensor *sensor)
 37{
 38	if (sensor->minfo.revision_number < 0x0300)
 39		sensor->frame_skip = 1;
 40
 41	/* Below 24 gain doesn't have effect at all, */
 42	/* but ~59 is needed for full dynamic range */
 43	ccs_replace_limit(sensor, CCS_L_ANALOG_GAIN_CODE_MIN, 0, 59);
 44	ccs_replace_limit(sensor, CCS_L_ANALOG_GAIN_CODE_MAX, 0, 6000);
 45
 46	return 0;
 47}
 48
 49static int jt8ew9_post_poweron(struct ccs_sensor *sensor)
 50{
 51	static const struct ccs_reg_8 regs[] = {
 52		{ 0x30a3, 0xd8 }, /* Output port control : LVDS ports only */
 53		{ 0x30ae, 0x00 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
 54		{ 0x30af, 0xd0 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
 55		{ 0x322d, 0x04 }, /* Adjusting Processing Image Size to Scaler Toshiba Recommendation Setting */
 56		{ 0x3255, 0x0f }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
 57		{ 0x3256, 0x15 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
 58		{ 0x3258, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
 59		{ 0x3259, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
 60		{ 0x325f, 0x7c }, /* Analog Gain Control Toshiba Recommendation Setting */
 61		{ 0x3302, 0x06 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
 62		{ 0x3304, 0x00 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
 63		{ 0x3307, 0x22 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
 64		{ 0x3308, 0x8d }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
 65		{ 0x331e, 0x0f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
 66		{ 0x3320, 0x30 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
 67		{ 0x3321, 0x11 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
 68		{ 0x3322, 0x98 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
 69		{ 0x3323, 0x64 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
 70		{ 0x3325, 0x83 }, /* Read Out Timing Control Toshiba Recommendation Setting */
 71		{ 0x3330, 0x18 }, /* Read Out Timing Control Toshiba Recommendation Setting */
 72		{ 0x333c, 0x01 }, /* Read Out Timing Control Toshiba Recommendation Setting */
 73		{ 0x3345, 0x2f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
 74		{ 0x33de, 0x38 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
 75		/* Taken from v03. No idea what the rest are. */
 76		{ 0x32e0, 0x05 },
 77		{ 0x32e1, 0x05 },
 78		{ 0x32e2, 0x04 },
 79		{ 0x32e5, 0x04 },
 80		{ 0x32e6, 0x04 },
 81
 82	};
 83
 84	return ccs_write_addr_8s(sensor, regs, ARRAY_SIZE(regs));
 85}
 86
 87const struct ccs_quirk smiapp_jt8ew9_quirk = {
 88	.limits = jt8ew9_limits,
 89	.post_poweron = jt8ew9_post_poweron,
 90};
 91
 92static int imx125es_post_poweron(struct ccs_sensor *sensor)
 93{
 94	/* Taken from v02. No idea what the other two are. */
 95	static const struct ccs_reg_8 regs[] = {
 96		/*
 97		 * 0x3302: clk during frame blanking:
 98		 * 0x00 - HS mode, 0x01 - LP11
 99		 */
100		{ 0x3302, 0x01 },
101		{ 0x302d, 0x00 },
102		{ 0x3b08, 0x8c },
103	};
104
105	return ccs_write_addr_8s(sensor, regs, ARRAY_SIZE(regs));
106}
107
108const struct ccs_quirk smiapp_imx125es_quirk = {
109	.post_poweron = imx125es_post_poweron,
110};
111
112static int jt8ev1_limits(struct ccs_sensor *sensor)
113{
114	ccs_replace_limit(sensor, CCS_L_X_ADDR_MAX, 0, 4271);
115	ccs_replace_limit(sensor, CCS_L_MIN_LINE_BLANKING_PCK_BIN, 0, 184);
116
117	return 0;
118}
119
120static int jt8ev1_post_poweron(struct ccs_sensor *sensor)
121{
122	struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
123	int rval;
124	static const struct ccs_reg_8 regs[] = {
125		{ 0x3031, 0xcd }, /* For digital binning (EQ_MONI) */
126		{ 0x30a3, 0xd0 }, /* FLASH STROBE enable */
127		{ 0x3237, 0x00 }, /* For control of pulse timing for ADC */
128		{ 0x3238, 0x43 },
129		{ 0x3301, 0x06 }, /* For analog bias for sensor */
130		{ 0x3302, 0x06 },
131		{ 0x3304, 0x00 },
132		{ 0x3305, 0x88 },
133		{ 0x332a, 0x14 },
134		{ 0x332c, 0x6b },
135		{ 0x3336, 0x01 },
136		{ 0x333f, 0x1f },
137		{ 0x3355, 0x00 },
138		{ 0x3356, 0x20 },
139		{ 0x33bf, 0x20 }, /* Adjust the FBC speed */
140		{ 0x33c9, 0x20 },
141		{ 0x33ce, 0x30 }, /* Adjust the parameter for logic function */
142		{ 0x33cf, 0xec }, /* For Black sun */
143		{ 0x3328, 0x80 }, /* Ugh. No idea what's this. */
144	};
145	static const struct ccs_reg_8 regs_96[] = {
146		{ 0x30ae, 0x00 }, /* For control of ADC clock */
147		{ 0x30af, 0xd0 },
148		{ 0x30b0, 0x01 },
149	};
150
151	rval = ccs_write_addr_8s(sensor, regs, ARRAY_SIZE(regs));
152	if (rval < 0)
153		return rval;
154
155	switch (sensor->hwcfg.ext_clk) {
156	case 9600000:
157		return ccs_write_addr_8s(sensor, regs_96,
158				       ARRAY_SIZE(regs_96));
159	default:
160		dev_warn(&client->dev, "no MSRs for %d Hz ext_clk\n",
161			 sensor->hwcfg.ext_clk);
162		return 0;
163	}
164}
165
166static int jt8ev1_pre_streamon(struct ccs_sensor *sensor)
167{
168	return ccs_write_addr(sensor, 0x3328, 0x00);
169}
170
171static int jt8ev1_post_streamoff(struct ccs_sensor *sensor)
172{
173	int rval;
174
175	/* Workaround: allows fast standby to work properly */
176	rval = ccs_write_addr(sensor, 0x3205, 0x04);
177	if (rval < 0)
178		return rval;
179
180	/* Wait for 1 ms + one line => 2 ms is likely enough */
181	usleep_range(2000, 2050);
182
183	/* Restore it */
184	rval = ccs_write_addr(sensor, 0x3205, 0x00);
185	if (rval < 0)
186		return rval;
187
188	return ccs_write_addr(sensor, 0x3328, 0x80);
189}
190
191static int jt8ev1_init(struct ccs_sensor *sensor)
192{
193	sensor->pll.flags |= CCS_PLL_FLAG_LANE_SPEED_MODEL;
194	sensor->pll.vt_lanes = 1;
195	sensor->pll.op_lanes = sensor->pll.csi2.lanes;
196
197	return 0;
198}
199
200const struct ccs_quirk smiapp_jt8ev1_quirk = {
201	.limits = jt8ev1_limits,
202	.post_poweron = jt8ev1_post_poweron,
203	.pre_streamon = jt8ev1_pre_streamon,
204	.post_streamoff = jt8ev1_post_streamoff,
205	.init = jt8ev1_init,
206};
207
208static int tcm8500md_limits(struct ccs_sensor *sensor)
209{
210	ccs_replace_limit(sensor, CCS_L_MIN_PLL_IP_CLK_FREQ_MHZ, 0, 2700000);
211
212	return 0;
213}
214
215const struct ccs_quirk smiapp_tcm8500md_quirk = {
216	.limits = tcm8500md_limits,
217};