| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Santiago Nunez-Corrales | 3411 | 72.54% | 1 | 2.50% |
| Lad Prabhakar | 607 | 12.91% | 5 | 12.50% |
| Hans Verkuil | 585 | 12.44% | 11 | 27.50% |
| Laurent Pinchart | 17 | 0.36% | 1 | 2.50% |
| Javier Martinez Canillas | 14 | 0.30% | 1 | 2.50% |
| Sakari Ailus | 13 | 0.28% | 2 | 5.00% |
| Axel Lin | 13 | 0.28% | 2 | 5.00% |
| Tomi Valkeinen | 7 | 0.15% | 1 | 2.50% |
| Mats Randgaard | 7 | 0.15% | 3 | 7.50% |
| Sudhakar Rajashekhara | 5 | 0.11% | 1 | 2.50% |
| Philipp Zabel | 4 | 0.09% | 1 | 2.50% |
| Mauro Carvalho Chehab | 3 | 0.06% | 3 | 7.50% |
| Paul Gortmaker | 3 | 0.06% | 1 | 2.50% |
| Tejun Heo | 3 | 0.06% | 1 | 2.50% |
| Sachin Kamat | 3 | 0.06% | 1 | 2.50% |
| Boris Brezillon | 2 | 0.04% | 1 | 2.50% |
| Thomas Gleixner | 2 | 0.04% | 1 | 2.50% |
| Uwe Kleine-König | 1 | 0.02% | 1 | 2.50% |
| Rusty Russell | 1 | 0.02% | 1 | 2.50% |
| Kieran Bingham | 1 | 0.02% | 1 | 2.50% |
| Total | 4702 | 40 |
// SPDX-License-Identifier: GPL-2.0-or-later /* Texas Instruments Triple 8-/10-BIT 165-/110-MSPS Video and Graphics * Digitizer with Horizontal PLL registers * * Copyright (C) 2009 Texas Instruments Inc * Author: Santiago Nunez-Corrales <santiago.nunez@ridgerun.com> * * This code is partially based upon the TVP5150 driver * written by Mauro Carvalho Chehab <mchehab@kernel.org>, * the TVP514x driver written by Vaibhav Hiremath <hvaibhav@ti.com> * and the TVP7002 driver in the TI LSP 2.10.00.14. Revisions by * Muralidharan Karicheri and Snehaprabha Narnakaje (TI). */ #include <linux/delay.h> #include <linux/i2c.h> #include <linux/slab.h> #include <linux/videodev2.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_graph.h> #include <linux/v4l2-dv-timings.h> #include <media/i2c/tvp7002.h> #include <media/v4l2-async.h> #include <media/v4l2-device.h> #include <media/v4l2-common.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-fwnode.h> #include "tvp7002_reg.h" MODULE_DESCRIPTION("TI TVP7002 Video and Graphics Digitizer driver"); MODULE_AUTHOR("Santiago Nunez-Corrales <santiago.nunez@ridgerun.com>"); MODULE_LICENSE("GPL"); /* I2C retry attempts */ #define I2C_RETRY_COUNT (5) /* End of registers */ #define TVP7002_EOR 0x5c /* Read write definition for registers */ #define TVP7002_READ 0 #define TVP7002_WRITE 1 #define TVP7002_RESERVED 2 /* Interlaced vs progressive mask and shift */ #define TVP7002_IP_SHIFT 5 #define TVP7002_INPR_MASK (0x01 << TVP7002_IP_SHIFT) /* Shift for CPL and LPF registers */ #define TVP7002_CL_SHIFT 8 #define TVP7002_CL_MASK 0x0f /* Debug functions */ static bool debug; module_param(debug, bool, 0644); MODULE_PARM_DESC(debug, "Debug level (0-2)"); /* Structure for register values */ struct i2c_reg_value { u8 reg; u8 value; u8 type; }; /* * Register default values (according to tvp7002 datasheet) * In the case of read-only registers, the value (0xff) is * never written. R/W functionality is controlled by the * writable bit in the register struct definition. */ static const struct i2c_reg_value tvp7002_init_default[] = { { TVP7002_CHIP_REV, 0xff, TVP7002_READ }, { TVP7002_HPLL_FDBK_DIV_MSBS, 0x67, TVP7002_WRITE }, { TVP7002_HPLL_FDBK_DIV_LSBS, 0x20, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0xa0, TVP7002_WRITE }, { TVP7002_HPLL_PHASE_SEL, 0x80, TVP7002_WRITE }, { TVP7002_CLAMP_START, 0x32, TVP7002_WRITE }, { TVP7002_CLAMP_W, 0x20, TVP7002_WRITE }, { TVP7002_HSYNC_OUT_W, 0x60, TVP7002_WRITE }, { TVP7002_B_FINE_GAIN, 0x00, TVP7002_WRITE }, { TVP7002_G_FINE_GAIN, 0x00, TVP7002_WRITE }, { TVP7002_R_FINE_GAIN, 0x00, TVP7002_WRITE }, { TVP7002_B_FINE_OFF_MSBS, 0x80, TVP7002_WRITE }, { TVP7002_G_FINE_OFF_MSBS, 0x80, TVP7002_WRITE }, { TVP7002_R_FINE_OFF_MSBS, 0x80, TVP7002_WRITE }, { TVP7002_SYNC_CTL_1, 0x20, TVP7002_WRITE }, { TVP7002_HPLL_AND_CLAMP_CTL, 0x2e, TVP7002_WRITE }, { TVP7002_SYNC_ON_G_THRS, 0x5d, TVP7002_WRITE }, { TVP7002_SYNC_SEPARATOR_THRS, 0x47, TVP7002_WRITE }, { TVP7002_HPLL_PRE_COAST, 0x00, TVP7002_WRITE }, { TVP7002_HPLL_POST_COAST, 0x00, TVP7002_WRITE }, { TVP7002_SYNC_DETECT_STAT, 0xff, TVP7002_READ }, { TVP7002_OUT_FORMATTER, 0x47, TVP7002_WRITE }, { TVP7002_MISC_CTL_1, 0x01, TVP7002_WRITE }, { TVP7002_MISC_CTL_2, 0x00, TVP7002_WRITE }, { TVP7002_MISC_CTL_3, 0x01, TVP7002_WRITE }, { TVP7002_IN_MUX_SEL_1, 0x00, TVP7002_WRITE }, { TVP7002_IN_MUX_SEL_2, 0x67, TVP7002_WRITE }, { TVP7002_B_AND_G_COARSE_GAIN, 0x77, TVP7002_WRITE }, { TVP7002_R_COARSE_GAIN, 0x07, TVP7002_WRITE }, { TVP7002_FINE_OFF_LSBS, 0x00, TVP7002_WRITE }, { TVP7002_B_COARSE_OFF, 0x10, TVP7002_WRITE }, { TVP7002_G_COARSE_OFF, 0x10, TVP7002_WRITE }, { TVP7002_R_COARSE_OFF, 0x10, TVP7002_WRITE }, { TVP7002_HSOUT_OUT_START, 0x08, TVP7002_WRITE }, { TVP7002_MISC_CTL_4, 0x00, TVP7002_WRITE }, { TVP7002_B_DGTL_ALC_OUT_LSBS, 0xff, TVP7002_READ }, { TVP7002_G_DGTL_ALC_OUT_LSBS, 0xff, TVP7002_READ }, { TVP7002_R_DGTL_ALC_OUT_LSBS, 0xff, TVP7002_READ }, { TVP7002_AUTO_LVL_CTL_ENABLE, 0x80, TVP7002_WRITE }, { TVP7002_DGTL_ALC_OUT_MSBS, 0xff, TVP7002_READ }, { TVP7002_AUTO_LVL_CTL_FILTER, 0x53, TVP7002_WRITE }, { 0x29, 0x08, TVP7002_RESERVED }, { TVP7002_FINE_CLAMP_CTL, 0x07, TVP7002_WRITE }, /* PWR_CTL is controlled only by the probe and reset functions */ { TVP7002_PWR_CTL, 0x00, TVP7002_RESERVED }, { TVP7002_ADC_SETUP, 0x50, TVP7002_WRITE }, { TVP7002_COARSE_CLAMP_CTL, 0x00, TVP7002_WRITE }, { TVP7002_SOG_CLAMP, 0x80, TVP7002_WRITE }, { TVP7002_RGB_COARSE_CLAMP_CTL, 0x8c, TVP7002_WRITE }, { TVP7002_SOG_COARSE_CLAMP_CTL, 0x04, TVP7002_WRITE }, { TVP7002_ALC_PLACEMENT, 0x5a, TVP7002_WRITE }, { 0x32, 0x18, TVP7002_RESERVED }, { 0x33, 0x60, TVP7002_RESERVED }, { TVP7002_MVIS_STRIPPER_W, 0xff, TVP7002_RESERVED }, { TVP7002_VSYNC_ALGN, 0x10, TVP7002_WRITE }, { TVP7002_SYNC_BYPASS, 0x00, TVP7002_WRITE }, { TVP7002_L_FRAME_STAT_LSBS, 0xff, TVP7002_READ }, { TVP7002_L_FRAME_STAT_MSBS, 0xff, TVP7002_READ }, { TVP7002_CLK_L_STAT_LSBS, 0xff, TVP7002_READ }, { TVP7002_CLK_L_STAT_MSBS, 0xff, TVP7002_READ }, { TVP7002_HSYNC_W, 0xff, TVP7002_READ }, { TVP7002_VSYNC_W, 0xff, TVP7002_READ }, { TVP7002_L_LENGTH_TOL, 0x03, TVP7002_WRITE }, { 0x3e, 0x60, TVP7002_RESERVED }, { TVP7002_VIDEO_BWTH_CTL, 0x01, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x01, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_MSBS, 0x2c, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_LSBS, 0x06, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_MSBS, 0x2c, TVP7002_WRITE }, { TVP7002_VBLK_F_0_START_L_OFF, 0x05, TVP7002_WRITE }, { TVP7002_VBLK_F_1_START_L_OFF, 0x00, TVP7002_WRITE }, { TVP7002_VBLK_F_0_DURATION, 0x1e, TVP7002_WRITE }, { TVP7002_VBLK_F_1_DURATION, 0x00, TVP7002_WRITE }, { TVP7002_FBIT_F_0_START_L_OFF, 0x00, TVP7002_WRITE }, { TVP7002_FBIT_F_1_START_L_OFF, 0x00, TVP7002_WRITE }, { TVP7002_YUV_Y_G_COEF_LSBS, 0xe3, TVP7002_WRITE }, { TVP7002_YUV_Y_G_COEF_MSBS, 0x16, TVP7002_WRITE }, { TVP7002_YUV_Y_B_COEF_LSBS, 0x4f, TVP7002_WRITE }, { TVP7002_YUV_Y_B_COEF_MSBS, 0x02, TVP7002_WRITE }, { TVP7002_YUV_Y_R_COEF_LSBS, 0xce, TVP7002_WRITE }, { TVP7002_YUV_Y_R_COEF_MSBS, 0x06, TVP7002_WRITE }, { TVP7002_YUV_U_G_COEF_LSBS, 0xab, TVP7002_WRITE }, { TVP7002_YUV_U_G_COEF_MSBS, 0xf3, TVP7002_WRITE }, { TVP7002_YUV_U_B_COEF_LSBS, 0x00, TVP7002_WRITE }, { TVP7002_YUV_U_B_COEF_MSBS, 0x10, TVP7002_WRITE }, { TVP7002_YUV_U_R_COEF_LSBS, 0x55, TVP7002_WRITE }, { TVP7002_YUV_U_R_COEF_MSBS, 0xfc, TVP7002_WRITE }, { TVP7002_YUV_V_G_COEF_LSBS, 0x78, TVP7002_WRITE }, { TVP7002_YUV_V_G_COEF_MSBS, 0xf1, TVP7002_WRITE }, { TVP7002_YUV_V_B_COEF_LSBS, 0x88, TVP7002_WRITE }, { TVP7002_YUV_V_B_COEF_MSBS, 0xfe, TVP7002_WRITE }, { TVP7002_YUV_V_R_COEF_LSBS, 0x00, TVP7002_WRITE }, { TVP7002_YUV_V_R_COEF_MSBS, 0x10, TVP7002_WRITE }, /* This signals end of register values */ { TVP7002_EOR, 0xff, TVP7002_RESERVED } }; /* Register parameters for 480P */ static const struct i2c_reg_value tvp7002_parms_480P[] = { { TVP7002_HPLL_FDBK_DIV_MSBS, 0x35, TVP7002_WRITE }, { TVP7002_HPLL_FDBK_DIV_LSBS, 0xa0, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0x02, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x91, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_MSBS, 0x00, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_LSBS, 0x0B, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_MSBS, 0x00, TVP7002_WRITE }, { TVP7002_VBLK_F_0_START_L_OFF, 0x03, TVP7002_WRITE }, { TVP7002_VBLK_F_1_START_L_OFF, 0x01, TVP7002_WRITE }, { TVP7002_VBLK_F_0_DURATION, 0x13, TVP7002_WRITE }, { TVP7002_VBLK_F_1_DURATION, 0x13, TVP7002_WRITE }, { TVP7002_ALC_PLACEMENT, 0x18, TVP7002_WRITE }, { TVP7002_CLAMP_START, 0x06, TVP7002_WRITE }, { TVP7002_CLAMP_W, 0x10, TVP7002_WRITE }, { TVP7002_HPLL_PRE_COAST, 0x03, TVP7002_WRITE }, { TVP7002_HPLL_POST_COAST, 0x03, TVP7002_WRITE }, { TVP7002_EOR, 0xff, TVP7002_RESERVED } }; /* Register parameters for 576P */ static const struct i2c_reg_value tvp7002_parms_576P[] = { { TVP7002_HPLL_FDBK_DIV_MSBS, 0x36, TVP7002_WRITE }, { TVP7002_HPLL_FDBK_DIV_LSBS, 0x00, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0x18, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x9B, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_MSBS, 0x00, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_LSBS, 0x0F, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_MSBS, 0x00, TVP7002_WRITE }, { TVP7002_VBLK_F_0_START_L_OFF, 0x00, TVP7002_WRITE }, { TVP7002_VBLK_F_1_START_L_OFF, 0x00, TVP7002_WRITE }, { TVP7002_VBLK_F_0_DURATION, 0x2D, TVP7002_WRITE }, { TVP7002_VBLK_F_1_DURATION, 0x00, TVP7002_WRITE }, { TVP7002_ALC_PLACEMENT, 0x18, TVP7002_WRITE }, { TVP7002_CLAMP_START, 0x06, TVP7002_WRITE }, { TVP7002_CLAMP_W, 0x10, TVP7002_WRITE }, { TVP7002_HPLL_PRE_COAST, 0x03, TVP7002_WRITE }, { TVP7002_HPLL_POST_COAST, 0x03, TVP7002_WRITE }, { TVP7002_EOR, 0xff, TVP7002_RESERVED } }; /* Register parameters for 1080I60 */ static const struct i2c_reg_value tvp7002_parms_1080I60[] = { { TVP7002_HPLL_FDBK_DIV_MSBS, 0x89, TVP7002_WRITE }, { TVP7002_HPLL_FDBK_DIV_LSBS, 0x80, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0x98, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x06, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_MSBS, 0x01, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_LSBS, 0x8a, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_MSBS, 0x08, TVP7002_WRITE }, { TVP7002_VBLK_F_0_START_L_OFF, 0x02, TVP7002_WRITE }, { TVP7002_VBLK_F_1_START_L_OFF, 0x02, TVP7002_WRITE }, { TVP7002_VBLK_F_0_DURATION, 0x16, TVP7002_WRITE }, { TVP7002_VBLK_F_1_DURATION, 0x17, TVP7002_WRITE }, { TVP7002_ALC_PLACEMENT, 0x5a, TVP7002_WRITE }, { TVP7002_CLAMP_START, 0x32, TVP7002_WRITE }, { TVP7002_CLAMP_W, 0x20, TVP7002_WRITE }, { TVP7002_HPLL_PRE_COAST, 0x01, TVP7002_WRITE }, { TVP7002_HPLL_POST_COAST, 0x00, TVP7002_WRITE }, { TVP7002_EOR, 0xff, TVP7002_RESERVED } }; /* Register parameters for 1080P60 */ static const struct i2c_reg_value tvp7002_parms_1080P60[] = { { TVP7002_HPLL_FDBK_DIV_MSBS, 0x89, TVP7002_WRITE }, { TVP7002_HPLL_FDBK_DIV_LSBS, 0x80, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0xE0, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x06, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_MSBS, 0x01, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_LSBS, 0x8a, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_MSBS, 0x08, TVP7002_WRITE }, { TVP7002_VBLK_F_0_START_L_OFF, 0x02, TVP7002_WRITE }, { TVP7002_VBLK_F_1_START_L_OFF, 0x02, TVP7002_WRITE }, { TVP7002_VBLK_F_0_DURATION, 0x16, TVP7002_WRITE }, { TVP7002_VBLK_F_1_DURATION, 0x17, TVP7002_WRITE }, { TVP7002_ALC_PLACEMENT, 0x5a, TVP7002_WRITE }, { TVP7002_CLAMP_START, 0x32, TVP7002_WRITE }, { TVP7002_CLAMP_W, 0x20, TVP7002_WRITE }, { TVP7002_HPLL_PRE_COAST, 0x01, TVP7002_WRITE }, { TVP7002_HPLL_POST_COAST, 0x00, TVP7002_WRITE }, { TVP7002_EOR, 0xff, TVP7002_RESERVED } }; /* Register parameters for 1080I50 */ static const struct i2c_reg_value tvp7002_parms_1080I50[] = { { TVP7002_HPLL_FDBK_DIV_MSBS, 0xa5, TVP7002_WRITE }, { TVP7002_HPLL_FDBK_DIV_LSBS, 0x00, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0x98, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x06, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_MSBS, 0x01, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_LSBS, 0x8a, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_MSBS, 0x08, TVP7002_WRITE }, { TVP7002_VBLK_F_0_START_L_OFF, 0x02, TVP7002_WRITE }, { TVP7002_VBLK_F_1_START_L_OFF, 0x02, TVP7002_WRITE }, { TVP7002_VBLK_F_0_DURATION, 0x16, TVP7002_WRITE }, { TVP7002_VBLK_F_1_DURATION, 0x17, TVP7002_WRITE }, { TVP7002_ALC_PLACEMENT, 0x5a, TVP7002_WRITE }, { TVP7002_CLAMP_START, 0x32, TVP7002_WRITE }, { TVP7002_CLAMP_W, 0x20, TVP7002_WRITE }, { TVP7002_HPLL_PRE_COAST, 0x01, TVP7002_WRITE }, { TVP7002_HPLL_POST_COAST, 0x00, TVP7002_WRITE }, { TVP7002_EOR, 0xff, TVP7002_RESERVED } }; /* Register parameters for 720P60 */ static const struct i2c_reg_value tvp7002_parms_720P60[] = { { TVP7002_HPLL_FDBK_DIV_MSBS, 0x67, TVP7002_WRITE }, { TVP7002_HPLL_FDBK_DIV_LSBS, 0x20, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0xa0, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x47, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_MSBS, 0x01, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_LSBS, 0x4B, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_MSBS, 0x06, TVP7002_WRITE }, { TVP7002_VBLK_F_0_START_L_OFF, 0x05, TVP7002_WRITE }, { TVP7002_VBLK_F_1_START_L_OFF, 0x00, TVP7002_WRITE }, { TVP7002_VBLK_F_0_DURATION, 0x2D, TVP7002_WRITE }, { TVP7002_VBLK_F_1_DURATION, 0x00, TVP7002_WRITE }, { TVP7002_ALC_PLACEMENT, 0x5a, TVP7002_WRITE }, { TVP7002_CLAMP_START, 0x32, TVP7002_WRITE }, { TVP7002_CLAMP_W, 0x20, TVP7002_WRITE }, { TVP7002_HPLL_PRE_COAST, 0x00, TVP7002_WRITE }, { TVP7002_HPLL_POST_COAST, 0x00, TVP7002_WRITE }, { TVP7002_EOR, 0xff, TVP7002_RESERVED } }; /* Register parameters for 720P50 */ static const struct i2c_reg_value tvp7002_parms_720P50[] = { { TVP7002_HPLL_FDBK_DIV_MSBS, 0x7b, TVP7002_WRITE }, { TVP7002_HPLL_FDBK_DIV_LSBS, 0xc0, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0x98, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x47, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_MSBS, 0x01, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_LSBS, 0x4B, TVP7002_WRITE }, { TVP7002_AVID_STOP_PIXEL_MSBS, 0x06, TVP7002_WRITE }, { TVP7002_VBLK_F_0_START_L_OFF, 0x05, TVP7002_WRITE }, { TVP7002_VBLK_F_1_START_L_OFF, 0x00, TVP7002_WRITE }, { TVP7002_VBLK_F_0_DURATION, 0x2D, TVP7002_WRITE }, { TVP7002_VBLK_F_1_DURATION, 0x00, TVP7002_WRITE }, { TVP7002_ALC_PLACEMENT, 0x5a, TVP7002_WRITE }, { TVP7002_CLAMP_START, 0x32, TVP7002_WRITE }, { TVP7002_CLAMP_W, 0x20, TVP7002_WRITE }, { TVP7002_HPLL_PRE_COAST, 0x01, TVP7002_WRITE }, { TVP7002_HPLL_POST_COAST, 0x00, TVP7002_WRITE }, { TVP7002_EOR, 0xff, TVP7002_RESERVED } }; /* Timings definition for handling device operation */ struct tvp7002_timings_definition { struct v4l2_dv_timings timings; const struct i2c_reg_value *p_settings; enum v4l2_colorspace color_space; enum v4l2_field scanmode; u16 progressive; u16 lines_per_frame; u16 cpl_min; u16 cpl_max; }; /* Struct list for digital video timings */ static const struct tvp7002_timings_definition tvp7002_timings[] = { { V4L2_DV_BT_CEA_1280X720P60, tvp7002_parms_720P60, V4L2_COLORSPACE_REC709, V4L2_FIELD_NONE, 1, 0x2EE, 135, 153 }, { V4L2_DV_BT_CEA_1920X1080I60, tvp7002_parms_1080I60, V4L2_COLORSPACE_REC709, V4L2_FIELD_INTERLACED, 0, 0x465, 181, 205 }, { V4L2_DV_BT_CEA_1920X1080I50, tvp7002_parms_1080I50, V4L2_COLORSPACE_REC709, V4L2_FIELD_INTERLACED, 0, 0x465, 217, 245 }, { V4L2_DV_BT_CEA_1280X720P50, tvp7002_parms_720P50, V4L2_COLORSPACE_REC709, V4L2_FIELD_NONE, 1, 0x2EE, 163, 183 }, { V4L2_DV_BT_CEA_1920X1080P60, tvp7002_parms_1080P60, V4L2_COLORSPACE_REC709, V4L2_FIELD_NONE, 1, 0x465, 90, 102 }, { V4L2_DV_BT_CEA_720X480P59_94, tvp7002_parms_480P, V4L2_COLORSPACE_SMPTE170M, V4L2_FIELD_NONE, 1, 0x20D, 0xffff, 0xffff }, { V4L2_DV_BT_CEA_720X576P50, tvp7002_parms_576P, V4L2_COLORSPACE_SMPTE170M, V4L2_FIELD_NONE, 1, 0x271, 0xffff, 0xffff } }; #define NUM_TIMINGS ARRAY_SIZE(tvp7002_timings) /* Device definition */ struct tvp7002 { struct v4l2_subdev sd; struct v4l2_ctrl_handler hdl; const struct tvp7002_config *pdata; int ver; int streaming; const struct tvp7002_timings_definition *current_timings; struct media_pad pad; }; /* * to_tvp7002 - Obtain device handler TVP7002 * @sd: ptr to v4l2_subdev struct * * Returns device handler tvp7002. */ static inline struct tvp7002 *to_tvp7002(struct v4l2_subdev *sd) { return container_of(sd, struct tvp7002, sd); } static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) { return &container_of(ctrl->handler, struct tvp7002, hdl)->sd; } /* * tvp7002_read - Read a value from a register in an TVP7002 * @sd: ptr to v4l2_subdev struct * @addr: TVP7002 register address * @dst: pointer to 8-bit destination * * Returns value read if successful, or non-zero (-1) otherwise. */ static int tvp7002_read(struct v4l2_subdev *sd, u8 addr, u8 *dst) { struct i2c_client *c = v4l2_get_subdevdata(sd); int retry; int error; for (retry = 0; retry < I2C_RETRY_COUNT; retry++) { error = i2c_smbus_read_byte_data(c, addr); if (error >= 0) { *dst = (u8)error; return 0; } msleep_interruptible(10); } v4l2_err(sd, "TVP7002 read error %d\n", error); return error; } /* * tvp7002_read_err() - Read a register value with error code * @sd: pointer to standard V4L2 sub-device structure * @reg: destination register * @val: value to be read * @err: pointer to error value * * Read a value in a register and save error value in pointer. * Also update the register table if successful */ static inline void tvp7002_read_err(struct v4l2_subdev *sd, u8 reg, u8 *dst, int *err) { if (!*err) *err = tvp7002_read(sd, reg, dst); } /* * tvp7002_write() - Write a value to a register in TVP7002 * @sd: ptr to v4l2_subdev struct * @addr: TVP7002 register address * @value: value to be written to the register * * Write a value to a register in an TVP7002 decoder device. * Returns zero if successful, or non-zero otherwise. */ static int tvp7002_write(struct v4l2_subdev *sd, u8 addr, u8 value) { struct i2c_client *c; int retry; int error; c = v4l2_get_subdevdata(sd); for (retry = 0; retry < I2C_RETRY_COUNT; retry++) { error = i2c_smbus_write_byte_data(c, addr, value); if (error >= 0) return 0; v4l2_warn(sd, "Write: retry ... %d\n", retry); msleep_interruptible(10); } v4l2_err(sd, "TVP7002 write error %d\n", error); return error; } /* * tvp7002_write_err() - Write a register value with error code * @sd: pointer to standard V4L2 sub-device structure * @reg: destination register * @val: value to be written * @err: pointer to error value * * Write a value in a register and save error value in pointer. * Also update the register table if successful */ static inline void tvp7002_write_err(struct v4l2_subdev *sd, u8 reg, u8 val, int *err) { if (!*err) *err = tvp7002_write(sd, reg, val); } /* * tvp7002_write_inittab() - Write initialization values * @sd: ptr to v4l2_subdev struct * @regs: ptr to i2c_reg_value struct * * Write initialization values. * Returns zero or -EINVAL if read operation fails. */ static int tvp7002_write_inittab(struct v4l2_subdev *sd, const struct i2c_reg_value *regs) { int error = 0; /* Initialize the first (defined) registers */ while (TVP7002_EOR != regs->reg) { if (TVP7002_WRITE == regs->type) tvp7002_write_err(sd, regs->reg, regs->value, &error); regs++; } return error; } static int tvp7002_s_dv_timings(struct v4l2_subdev *sd, struct v4l2_dv_timings *dv_timings) { struct tvp7002 *device = to_tvp7002(sd); const struct v4l2_bt_timings *bt = &dv_timings->bt; int i; if (dv_timings->type != V4L2_DV_BT_656_1120) return -EINVAL; for (i = 0; i < NUM_TIMINGS; i++) { const struct v4l2_bt_timings *t = &tvp7002_timings[i].timings.bt; if (!memcmp(bt, t, &bt->standards - &bt->width)) { device->current_timings = &tvp7002_timings[i]; return tvp7002_write_inittab(sd, tvp7002_timings[i].p_settings); } } return -EINVAL; } static int tvp7002_g_dv_timings(struct v4l2_subdev *sd, struct v4l2_dv_timings *dv_timings) { struct tvp7002 *device = to_tvp7002(sd); *dv_timings = device->current_timings->timings; return 0; } /* * tvp7002_s_ctrl() - Set a control * @ctrl: ptr to v4l2_ctrl struct * * Set a control in TVP7002 decoder device. * Returns zero when successful or -EINVAL if register access fails. */ static int tvp7002_s_ctrl(struct v4l2_ctrl *ctrl) { struct v4l2_subdev *sd = to_sd(ctrl); int error = 0; switch (ctrl->id) { case V4L2_CID_GAIN: tvp7002_write_err(sd, TVP7002_R_FINE_GAIN, ctrl->val, &error); tvp7002_write_err(sd, TVP7002_G_FINE_GAIN, ctrl->val, &error); tvp7002_write_err(sd, TVP7002_B_FINE_GAIN, ctrl->val, &error); return error; } return -EINVAL; } /* * tvp7002_query_dv() - query DV timings * @sd: pointer to standard V4L2 sub-device structure * @index: index into the tvp7002_timings array * * Returns the current DV timings detected by TVP7002. If no active input is * detected, returns -EINVAL */ static int tvp7002_query_dv(struct v4l2_subdev *sd, int *index) { const struct tvp7002_timings_definition *timings = tvp7002_timings; u8 progressive; u32 lpfr; u32 cpln; int error = 0; u8 lpf_lsb; u8 lpf_msb; u8 cpl_lsb; u8 cpl_msb; /* Return invalid index if no active input is detected */ *index = NUM_TIMINGS; /* Read standards from device registers */ tvp7002_read_err(sd, TVP7002_L_FRAME_STAT_LSBS, &lpf_lsb, &error); tvp7002_read_err(sd, TVP7002_L_FRAME_STAT_MSBS, &lpf_msb, &error); if (error < 0) return error; tvp7002_read_err(sd, TVP7002_CLK_L_STAT_LSBS, &cpl_lsb, &error); tvp7002_read_err(sd, TVP7002_CLK_L_STAT_MSBS, &cpl_msb, &error); if (error < 0) return error; /* Get lines per frame, clocks per line and interlaced/progresive */ lpfr = lpf_lsb | ((TVP7002_CL_MASK & lpf_msb) << TVP7002_CL_SHIFT); cpln = cpl_lsb | ((TVP7002_CL_MASK & cpl_msb) << TVP7002_CL_SHIFT); progressive = (lpf_msb & TVP7002_INPR_MASK) >> TVP7002_IP_SHIFT; /* Do checking of video modes */ for (*index = 0; *index < NUM_TIMINGS; (*index)++, timings++) if (lpfr == timings->lines_per_frame && progressive == timings->progressive) { if (timings->cpl_min == 0xffff) break; if (cpln >= timings->cpl_min && cpln <= timings->cpl_max) break; } if (*index == NUM_TIMINGS) { v4l2_dbg(1, debug, sd, "detection failed: lpf = %x, cpl = %x\n", lpfr, cpln); return -ENOLINK; } /* Update lines per frame and clocks per line info */ v4l2_dbg(1, debug, sd, "detected timings: %d\n", *index); return 0; } static int tvp7002_query_dv_timings(struct v4l2_subdev *sd, struct v4l2_dv_timings *timings) { int index; int err = tvp7002_query_dv(sd, &index); if (err) return err; *timings = tvp7002_timings[index].timings; return 0; } #ifdef CONFIG_VIDEO_ADV_DEBUG /* * tvp7002_g_register() - Get the value of a register * @sd: ptr to v4l2_subdev struct * @reg: ptr to v4l2_dbg_register struct * * Get the value of a TVP7002 decoder device register. * Returns zero when successful, -EINVAL if register read fails or * access to I2C client fails. */ static int tvp7002_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) { u8 val; int ret; ret = tvp7002_read(sd, reg->reg & 0xff, &val); if (ret < 0) return ret; reg->val = val; reg->size = 1; return 0; } /* * tvp7002_s_register() - set a control * @sd: ptr to v4l2_subdev struct * @reg: ptr to v4l2_dbg_register struct * * Get the value of a TVP7002 decoder device register. * Returns zero when successful, -EINVAL if register read fails. */ static int tvp7002_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { return tvp7002_write(sd, reg->reg & 0xff, reg->val & 0xff); } #endif /* * tvp7002_s_stream() - V4L2 decoder i/f handler for s_stream * @sd: pointer to standard V4L2 sub-device structure * @enable: streaming enable or disable * * Sets streaming to enable or disable, if possible. */ static int tvp7002_s_stream(struct v4l2_subdev *sd, int enable) { struct tvp7002 *device = to_tvp7002(sd); int error; if (device->streaming == enable) return 0; /* low impedance: on, high impedance: off */ error = tvp7002_write(sd, TVP7002_MISC_CTL_2, enable ? 0x00 : 0x03); if (error) { v4l2_dbg(1, debug, sd, "Fail to set streaming\n"); return error; } device->streaming = enable; return 0; } /* * tvp7002_log_status() - Print information about register settings * @sd: ptr to v4l2_subdev struct * * Log register values of a TVP7002 decoder device. * Returns zero or -EINVAL if read operation fails. */ static int tvp7002_log_status(struct v4l2_subdev *sd) { struct tvp7002 *device = to_tvp7002(sd); const struct v4l2_bt_timings *bt; int detected; /* Find my current timings */ tvp7002_query_dv(sd, &detected); bt = &device->current_timings->timings.bt; v4l2_info(sd, "Selected DV Timings: %ux%u\n", bt->width, bt->height); if (detected == NUM_TIMINGS) { v4l2_info(sd, "Detected DV Timings: None\n"); } else { bt = &tvp7002_timings[detected].timings.bt; v4l2_info(sd, "Detected DV Timings: %ux%u\n", bt->width, bt->height); } v4l2_info(sd, "Streaming enabled: %s\n", device->streaming ? "yes" : "no"); /* Print the current value of the gain control */ v4l2_ctrl_handler_log_status(&device->hdl, sd->name); return 0; } static int tvp7002_enum_dv_timings(struct v4l2_subdev *sd, struct v4l2_enum_dv_timings *timings) { if (timings->pad != 0) return -EINVAL; /* Check requested format index is within range */ if (timings->index >= NUM_TIMINGS) return -EINVAL; timings->timings = tvp7002_timings[timings->index].timings; return 0; } static const struct v4l2_ctrl_ops tvp7002_ctrl_ops = { .s_ctrl = tvp7002_s_ctrl, }; /* * tvp7002_enum_mbus_code() - Enum supported digital video format on pad * @sd: pointer to standard V4L2 sub-device structure * @cfg: pad configuration * @code: pointer to subdev enum mbus code struct * * Enumerate supported digital video formats for pad. */ static int tvp7002_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { /* Check requested format index is within range */ if (code->index != 0) return -EINVAL; code->code = MEDIA_BUS_FMT_YUYV10_1X20; return 0; } /* * tvp7002_get_pad_format() - get video format on pad * @sd: pointer to standard V4L2 sub-device structure * @cfg: pad configuration * @fmt: pointer to subdev format struct * * get video format for pad. */ static int tvp7002_get_pad_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { struct tvp7002 *tvp7002 = to_tvp7002(sd); fmt->format.code = MEDIA_BUS_FMT_YUYV10_1X20; fmt->format.width = tvp7002->current_timings->timings.bt.width; fmt->format.height = tvp7002->current_timings->timings.bt.height; fmt->format.field = tvp7002->current_timings->scanmode; fmt->format.colorspace = tvp7002->current_timings->color_space; return 0; } /* * tvp7002_set_pad_format() - set video format on pad * @sd: pointer to standard V4L2 sub-device structure * @cfg: pad configuration * @fmt: pointer to subdev format struct * * set video format for pad. */ static int tvp7002_set_pad_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { return tvp7002_get_pad_format(sd, sd_state, fmt); } /* V4L2 core operation handlers */ static const struct v4l2_subdev_core_ops tvp7002_core_ops = { .log_status = tvp7002_log_status, #ifdef CONFIG_VIDEO_ADV_DEBUG .g_register = tvp7002_g_register, .s_register = tvp7002_s_register, #endif }; /* Specific video subsystem operation handlers */ static const struct v4l2_subdev_video_ops tvp7002_video_ops = { .g_dv_timings = tvp7002_g_dv_timings, .s_dv_timings = tvp7002_s_dv_timings, .query_dv_timings = tvp7002_query_dv_timings, .s_stream = tvp7002_s_stream, }; /* media pad related operation handlers */ static const struct v4l2_subdev_pad_ops tvp7002_pad_ops = { .enum_mbus_code = tvp7002_enum_mbus_code, .get_fmt = tvp7002_get_pad_format, .set_fmt = tvp7002_set_pad_format, .enum_dv_timings = tvp7002_enum_dv_timings, }; /* V4L2 top level operation handlers */ static const struct v4l2_subdev_ops tvp7002_ops = { .core = &tvp7002_core_ops, .video = &tvp7002_video_ops, .pad = &tvp7002_pad_ops, }; static struct tvp7002_config * tvp7002_get_pdata(struct i2c_client *client) { struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 }; struct tvp7002_config *pdata = NULL; struct device_node *endpoint; unsigned int flags; if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node) return client->dev.platform_data; endpoint = of_graph_get_next_endpoint(client->dev.of_node, NULL); if (!endpoint) return NULL; if (v4l2_fwnode_endpoint_parse(of_fwnode_handle(endpoint), &bus_cfg)) goto done; pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) goto done; flags = bus_cfg.bus.parallel.flags; if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) pdata->hs_polarity = 1; if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) pdata->vs_polarity = 1; if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) pdata->clk_polarity = 1; if (flags & V4L2_MBUS_FIELD_EVEN_HIGH) pdata->fid_polarity = 1; if (flags & V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH) pdata->sog_polarity = 1; done: of_node_put(endpoint); return pdata; } /* * tvp7002_probe - Probe a TVP7002 device * @c: ptr to i2c_client struct * @id: ptr to i2c_device_id struct * * Initialize the TVP7002 device * Returns zero when successful, -EINVAL if register read fails or * -EIO if i2c access is not available. */ static int tvp7002_probe(struct i2c_client *c) { struct tvp7002_config *pdata = tvp7002_get_pdata(c); struct v4l2_subdev *sd; struct tvp7002 *device; struct v4l2_dv_timings timings; int polarity_a; int polarity_b; u8 revision; int error; if (pdata == NULL) { dev_err(&c->dev, "No platform data\n"); return -EINVAL; } /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(c->adapter, I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) return -EIO; device = devm_kzalloc(&c->dev, sizeof(struct tvp7002), GFP_KERNEL); if (!device) return -ENOMEM; sd = &device->sd; device->pdata = pdata; device->current_timings = tvp7002_timings; /* Tell v4l2 the device is ready */ v4l2_i2c_subdev_init(sd, c, &tvp7002_ops); v4l_info(c, "tvp7002 found @ 0x%02x (%s)\n", c->addr, c->adapter->name); error = tvp7002_read(sd, TVP7002_CHIP_REV, &revision); if (error < 0) return error; /* Get revision number */ v4l2_info(sd, "Rev. %02x detected.\n", revision); if (revision != 0x02) v4l2_info(sd, "Unknown revision detected.\n"); /* Initializes TVP7002 to its default values */ error = tvp7002_write_inittab(sd, tvp7002_init_default); if (error < 0) return error; /* Set polarity information after registers have been set */ polarity_a = 0x20 | device->pdata->hs_polarity << 5 | device->pdata->vs_polarity << 2; error = tvp7002_write(sd, TVP7002_SYNC_CTL_1, polarity_a); if (error < 0) return error; polarity_b = 0x01 | device->pdata->fid_polarity << 2 | device->pdata->sog_polarity << 1 | device->pdata->clk_polarity; error = tvp7002_write(sd, TVP7002_MISC_CTL_3, polarity_b); if (error < 0) return error; /* Set registers according to default video mode */ timings = device->current_timings->timings; error = tvp7002_s_dv_timings(sd, &timings); #if defined(CONFIG_MEDIA_CONTROLLER) device->pad.flags = MEDIA_PAD_FL_SOURCE; device->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; device->sd.entity.function = MEDIA_ENT_F_ATV_DECODER; error = media_entity_pads_init(&device->sd.entity, 1, &device->pad); if (error < 0) return error; #endif v4l2_ctrl_handler_init(&device->hdl, 1); v4l2_ctrl_new_std(&device->hdl, &tvp7002_ctrl_ops, V4L2_CID_GAIN, 0, 255, 1, 0); sd->ctrl_handler = &device->hdl; if (device->hdl.error) { error = device->hdl.error; goto error; } v4l2_ctrl_handler_setup(&device->hdl); error = v4l2_async_register_subdev(&device->sd); if (error) goto error; return 0; error: v4l2_ctrl_handler_free(&device->hdl); #if defined(CONFIG_MEDIA_CONTROLLER) media_entity_cleanup(&device->sd.entity); #endif return error; } /* * tvp7002_remove - Remove TVP7002 device support * @c: ptr to i2c_client struct * * Reset the TVP7002 device * Returns zero. */ static void tvp7002_remove(struct i2c_client *c) { struct v4l2_subdev *sd = i2c_get_clientdata(c); struct tvp7002 *device = to_tvp7002(sd); v4l2_dbg(1, debug, sd, "Removing tvp7002 adapter" "on address 0x%x\n", c->addr); v4l2_async_unregister_subdev(&device->sd); #if defined(CONFIG_MEDIA_CONTROLLER) media_entity_cleanup(&device->sd.entity); #endif v4l2_ctrl_handler_free(&device->hdl); } /* I2C Device ID table */ static const struct i2c_device_id tvp7002_id[] = { { "tvp7002", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, tvp7002_id); #if IS_ENABLED(CONFIG_OF) static const struct of_device_id tvp7002_of_match[] = { { .compatible = "ti,tvp7002", }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, tvp7002_of_match); #endif /* I2C driver data */ static struct i2c_driver tvp7002_driver = { .driver = { .of_match_table = of_match_ptr(tvp7002_of_match), .name = TVP7002_MODULE_NAME, }, .probe_new = tvp7002_probe, .remove = tvp7002_remove, .id_table = tvp7002_id, }; module_i2c_driver(tvp7002_driver);
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