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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Copyright (C) 2010-2013 Bluecherry, LLC <https://www.bluecherrydvr.com>4 *5 * Original author:6 * Ben Collins <bcollins@ubuntu.com>7 *8 * Additional work by:9 * John Brooks <john.brooks@bluecherry.net>10 */11 12#include <linux/kernel.h>13#include <linux/delay.h>14 15#include "solo6x10.h"16#include "solo6x10-tw28.h"17 18#define DEFAULT_HDELAY_NTSC		(32 - 8)19#define DEFAULT_HACTIVE_NTSC		(720 + 16)20#define DEFAULT_VDELAY_NTSC		(7 - 2)21#define DEFAULT_VACTIVE_NTSC		(240 + 4)22 23#define DEFAULT_HDELAY_PAL		(32 + 4)24#define DEFAULT_HACTIVE_PAL		(864-DEFAULT_HDELAY_PAL)25#define DEFAULT_VDELAY_PAL		(6)26#define DEFAULT_VACTIVE_PAL		(312-DEFAULT_VDELAY_PAL)27 28 29static const u8 tbl_tw2864_ntsc_template[] = {30	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x00 */31	0x12, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x00, 0x7f,32	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x10 */33	0x12, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x00, 0x7f,34	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x20 */35	0x12, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x00, 0x7f,36	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x30 */37	0x12, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x00, 0x7f,38	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40 */39	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,40	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50 */41	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,42	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60 */43	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,44	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70 */45	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA3, 0x00,46	0x00, 0x02, 0x00, 0xcc, 0x00, 0x80, 0x44, 0x50, /* 0x80 */47	0x22, 0x01, 0xd8, 0xbc, 0xb8, 0x44, 0x38, 0x00,48	0x00, 0x78, 0x72, 0x3e, 0x14, 0xa5, 0xe4, 0x05, /* 0x90 */49	0x00, 0x28, 0x44, 0x44, 0xa0, 0x88, 0x5a, 0x01,50	0x08, 0x08, 0x08, 0x08, 0x1a, 0x1a, 0x1a, 0x1a, /* 0xa0 */51	0x00, 0x00, 0x00, 0xf0, 0xf0, 0xf0, 0xf0, 0x44,52	0x44, 0x0a, 0x00, 0xff, 0xef, 0xef, 0xef, 0xef, /* 0xb0 */53	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,54	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0 */55	0x00, 0x00, 0x55, 0x00, 0xb1, 0xe4, 0x40, 0x00,56	0x77, 0x77, 0x01, 0x13, 0x57, 0x9b, 0xdf, 0x20, /* 0xd0 */57	0x64, 0xa8, 0xec, 0xc1, 0x0f, 0x11, 0x11, 0x81,58	0x00, 0xe0, 0xbb, 0xbb, 0x00, 0x11, 0x00, 0x00, /* 0xe0 */59	0x11, 0x00, 0x00, 0x11, 0x00, 0x00, 0x11, 0x00,60	0x83, 0xb5, 0x09, 0x78, 0x85, 0x00, 0x01, 0x20, /* 0xf0 */61	0x64, 0x11, 0x40, 0xaf, 0xff, 0x00, 0x00, 0x00,62};63 64static const u8 tbl_tw2864_pal_template[] = {65	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x00 */66	0x18, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x01, 0x7f,67	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x10 */68	0x18, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x01, 0x7f,69	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x20 */70	0x18, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x01, 0x7f,71	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x30 */72	0x18, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x01, 0x7f,73	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40 */74	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,75	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50 */76	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,77	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60 */78	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,79	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70 */80	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA3, 0x00,81	0x00, 0x02, 0x00, 0xcc, 0x00, 0x80, 0x44, 0x50, /* 0x80 */82	0x22, 0x01, 0xd8, 0xbc, 0xb8, 0x44, 0x38, 0x00,83	0x00, 0x78, 0x72, 0x3e, 0x14, 0xa5, 0xe4, 0x05, /* 0x90 */84	0x00, 0x28, 0x44, 0x44, 0xa0, 0x90, 0x5a, 0x01,85	0x0a, 0x0a, 0x0a, 0x0a, 0x1a, 0x1a, 0x1a, 0x1a, /* 0xa0 */86	0x00, 0x00, 0x00, 0xf0, 0xf0, 0xf0, 0xf0, 0x44,87	0x44, 0x0a, 0x00, 0xff, 0xef, 0xef, 0xef, 0xef, /* 0xb0 */88	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,89	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0 */90	0x00, 0x00, 0x55, 0x00, 0xb1, 0xe4, 0x40, 0x00,91	0x77, 0x77, 0x01, 0x13, 0x57, 0x9b, 0xdf, 0x20, /* 0xd0 */92	0x64, 0xa8, 0xec, 0xc1, 0x0f, 0x11, 0x11, 0x81,93	0x00, 0xe0, 0xbb, 0xbb, 0x00, 0x11, 0x00, 0x00, /* 0xe0 */94	0x11, 0x00, 0x00, 0x11, 0x00, 0x00, 0x11, 0x00,95	0x83, 0xb5, 0x09, 0x00, 0xa0, 0x00, 0x01, 0x20, /* 0xf0 */96	0x64, 0x11, 0x40, 0xaf, 0xff, 0x00, 0x00, 0x00,97};98 99static const u8 tbl_tw2865_ntsc_template[] = {100	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x00 */101	0x12, 0xff, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f,102	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x10 */103	0x12, 0xff, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f,104	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x20 */105	0x12, 0xff, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f,106	0x00, 0xf0, 0x70, 0x48, 0x80, 0x80, 0x00, 0x02, /* 0x30 */107	0x12, 0xff, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f,108	0x00, 0x00, 0x90, 0x68, 0x00, 0x38, 0x80, 0x80, /* 0x40 */109	0x80, 0x80, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00,110	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50 */111	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,112	0x45, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60 */113	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x43,114	0x08, 0x00, 0x00, 0x01, 0xf1, 0x03, 0xEF, 0x03, /* 0x70 */115	0xE9, 0x03, 0xD9, 0x15, 0x15, 0xE4, 0xA3, 0x80,116	0x00, 0x02, 0x00, 0xCC, 0x00, 0x80, 0x44, 0x50, /* 0x80 */117	0x22, 0x01, 0xD8, 0xBC, 0xB8, 0x44, 0x38, 0x00,118	0x00, 0x78, 0x44, 0x3D, 0x14, 0xA5, 0xE0, 0x05, /* 0x90 */119	0x00, 0x28, 0x44, 0x44, 0xA0, 0x90, 0x52, 0x13,120	0x08, 0x08, 0x08, 0x08, 0x1A, 0x1A, 0x1B, 0x1A, /* 0xa0 */121	0x00, 0x00, 0x00, 0xF0, 0xF0, 0xF0, 0xF0, 0x44,122	0x44, 0x4A, 0x00, 0xFF, 0xEF, 0xEF, 0xEF, 0xEF, /* 0xb0 */123	0xFF, 0xE7, 0xE9, 0xE9, 0xEB, 0xFF, 0xD6, 0xD8,124	0xD8, 0xD7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0 */125	0x00, 0x00, 0x55, 0x00, 0xE4, 0x39, 0x00, 0x80,126	0x77, 0x77, 0x03, 0x20, 0x57, 0x9b, 0xdf, 0x31, /* 0xd0 */127	0x64, 0xa8, 0xec, 0xd1, 0x0f, 0x11, 0x11, 0x81,128	0x10, 0xC0, 0xAA, 0xAA, 0x00, 0x11, 0x00, 0x00, /* 0xe0 */129	0x11, 0x00, 0x00, 0x11, 0x00, 0x00, 0x11, 0x00,130	0x83, 0xB5, 0x09, 0x78, 0x85, 0x00, 0x01, 0x20, /* 0xf0 */131	0x64, 0x51, 0x40, 0xaf, 0xFF, 0xF0, 0x00, 0xC0,132};133 134static const u8 tbl_tw2865_pal_template[] = {135	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x00 */136	0x11, 0xff, 0x01, 0xc3, 0x00, 0x00, 0x01, 0x7f,137	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x10 */138	0x11, 0xff, 0x01, 0xc3, 0x00, 0x00, 0x01, 0x7f,139	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x20 */140	0x11, 0xff, 0x01, 0xc3, 0x00, 0x00, 0x01, 0x7f,141	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x30 */142	0x11, 0xff, 0x01, 0xc3, 0x00, 0x00, 0x01, 0x7f,143	0x00, 0x94, 0x90, 0x48, 0x00, 0x38, 0x7F, 0x80, /* 0x40 */144	0x80, 0x80, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00,145	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50 */146	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,147	0x45, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60 */148	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x43,149	0x08, 0x00, 0x00, 0x01, 0xf1, 0x03, 0xEF, 0x03, /* 0x70 */150	0xEA, 0x03, 0xD9, 0x15, 0x15, 0xE4, 0xA3, 0x80,151	0x00, 0x02, 0x00, 0xCC, 0x00, 0x80, 0x44, 0x50, /* 0x80 */152	0x22, 0x01, 0xD8, 0xBC, 0xB8, 0x44, 0x38, 0x00,153	0x00, 0x78, 0x44, 0x3D, 0x14, 0xA5, 0xE0, 0x05, /* 0x90 */154	0x00, 0x28, 0x44, 0x44, 0xA0, 0x90, 0x52, 0x13,155	0x08, 0x08, 0x08, 0x08, 0x1A, 0x1A, 0x1A, 0x1A, /* 0xa0 */156	0x00, 0x00, 0x00, 0xF0, 0xF0, 0xF0, 0xF0, 0x44,157	0x44, 0x4A, 0x00, 0xFF, 0xEF, 0xEF, 0xEF, 0xEF, /* 0xb0 */158	0xFF, 0xE7, 0xE9, 0xE9, 0xE9, 0xFF, 0xD7, 0xD8,159	0xD9, 0xD8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0 */160	0x00, 0x00, 0x55, 0x00, 0xE4, 0x39, 0x00, 0x80,161	0x77, 0x77, 0x03, 0x20, 0x57, 0x9b, 0xdf, 0x31, /* 0xd0 */162	0x64, 0xa8, 0xec, 0xd1, 0x0f, 0x11, 0x11, 0x81,163	0x10, 0xC0, 0xAA, 0xAA, 0x00, 0x11, 0x00, 0x00, /* 0xe0 */164	0x11, 0x00, 0x00, 0x11, 0x00, 0x00, 0x11, 0x00,165	0x83, 0xB5, 0x09, 0x00, 0xA0, 0x00, 0x01, 0x20, /* 0xf0 */166	0x64, 0x51, 0x40, 0xaf, 0xFF, 0xF0, 0x00, 0xC0,167};168 169#define is_tw286x(__solo, __id) (!(__solo->tw2815 & (1 << __id)))170 171static u8 tw_readbyte(struct solo_dev *solo_dev, int chip_id, u8 tw6x_off,172		      u8 tw_off)173{174	if (is_tw286x(solo_dev, chip_id))175		return solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,176					 TW_CHIP_OFFSET_ADDR(chip_id),177					 tw6x_off);178	else179		return solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,180					 TW_CHIP_OFFSET_ADDR(chip_id),181					 tw_off);182}183 184static void tw_writebyte(struct solo_dev *solo_dev, int chip_id,185			 u8 tw6x_off, u8 tw_off, u8 val)186{187	if (is_tw286x(solo_dev, chip_id))188		solo_i2c_writebyte(solo_dev, SOLO_I2C_TW,189				   TW_CHIP_OFFSET_ADDR(chip_id),190				   tw6x_off, val);191	else192		solo_i2c_writebyte(solo_dev, SOLO_I2C_TW,193				   TW_CHIP_OFFSET_ADDR(chip_id),194				   tw_off, val);195}196 197static void tw_write_and_verify(struct solo_dev *solo_dev, u8 addr, u8 off,198				u8 val)199{200	int i;201 202	for (i = 0; i < 5; i++) {203		u8 rval = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW, addr, off);204 205		if (rval == val)206			return;207 208		solo_i2c_writebyte(solo_dev, SOLO_I2C_TW, addr, off, val);209		msleep_interruptible(1);210	}211 212/*	printk("solo6x10/tw28: Error writing register: %02x->%02x [%02x]\n", */213/*		addr, off, val); */214}215 216static int tw2865_setup(struct solo_dev *solo_dev, u8 dev_addr)217{218	u8 tbl_tw2865_common[256];219	int i;220 221	if (solo_dev->video_type == SOLO_VO_FMT_TYPE_PAL)222		memcpy(tbl_tw2865_common, tbl_tw2865_pal_template,223		       sizeof(tbl_tw2865_common));224	else225		memcpy(tbl_tw2865_common, tbl_tw2865_ntsc_template,226		       sizeof(tbl_tw2865_common));227 228	/* ALINK Mode */229	if (solo_dev->nr_chans == 4) {230		tbl_tw2865_common[0xd2] = 0x01;231		tbl_tw2865_common[0xcf] = 0x00;232	} else if (solo_dev->nr_chans == 8) {233		tbl_tw2865_common[0xd2] = 0x02;234		if (dev_addr == TW_CHIP_OFFSET_ADDR(1))235			tbl_tw2865_common[0xcf] = 0x80;236	} else if (solo_dev->nr_chans == 16) {237		tbl_tw2865_common[0xd2] = 0x03;238		if (dev_addr == TW_CHIP_OFFSET_ADDR(1))239			tbl_tw2865_common[0xcf] = 0x83;240		else if (dev_addr == TW_CHIP_OFFSET_ADDR(2))241			tbl_tw2865_common[0xcf] = 0x83;242		else if (dev_addr == TW_CHIP_OFFSET_ADDR(3))243			tbl_tw2865_common[0xcf] = 0x80;244	}245 246	for (i = 0; i < 0xff; i++) {247		/* Skip read only registers */248		switch (i) {249		case 0xb8 ... 0xc1:250		case 0xc4 ... 0xc7:251		case 0xfd:252			continue;253		}254		switch (i & ~0x30) {255		case 0x00:256		case 0x0c ... 0x0d:257			continue;258		}259 260		tw_write_and_verify(solo_dev, dev_addr, i,261				    tbl_tw2865_common[i]);262	}263 264	return 0;265}266 267static int tw2864_setup(struct solo_dev *solo_dev, u8 dev_addr)268{269	u8 tbl_tw2864_common[256];270	int i;271 272	if (solo_dev->video_type == SOLO_VO_FMT_TYPE_PAL)273		memcpy(tbl_tw2864_common, tbl_tw2864_pal_template,274		       sizeof(tbl_tw2864_common));275	else276		memcpy(tbl_tw2864_common, tbl_tw2864_ntsc_template,277		       sizeof(tbl_tw2864_common));278 279	if (solo_dev->tw2865 == 0) {280		/* IRQ Mode */281		if (solo_dev->nr_chans == 4) {282			tbl_tw2864_common[0xd2] = 0x01;283			tbl_tw2864_common[0xcf] = 0x00;284		} else if (solo_dev->nr_chans == 8) {285			tbl_tw2864_common[0xd2] = 0x02;286			if (dev_addr == TW_CHIP_OFFSET_ADDR(0))287				tbl_tw2864_common[0xcf] = 0x43;288			else if (dev_addr == TW_CHIP_OFFSET_ADDR(1))289				tbl_tw2864_common[0xcf] = 0x40;290		} else if (solo_dev->nr_chans == 16) {291			tbl_tw2864_common[0xd2] = 0x03;292			if (dev_addr == TW_CHIP_OFFSET_ADDR(0))293				tbl_tw2864_common[0xcf] = 0x43;294			else if (dev_addr == TW_CHIP_OFFSET_ADDR(1))295				tbl_tw2864_common[0xcf] = 0x43;296			else if (dev_addr == TW_CHIP_OFFSET_ADDR(2))297				tbl_tw2864_common[0xcf] = 0x43;298			else if (dev_addr == TW_CHIP_OFFSET_ADDR(3))299				tbl_tw2864_common[0xcf] = 0x40;300		}301	} else {302		/* ALINK Mode. Assumes that the first tw28xx is a303		 * 2865 and these are in cascade. */304		for (i = 0; i <= 4; i++)305			tbl_tw2864_common[0x08 | i << 4] = 0x12;306 307		if (solo_dev->nr_chans == 8) {308			tbl_tw2864_common[0xd2] = 0x02;309			if (dev_addr == TW_CHIP_OFFSET_ADDR(1))310				tbl_tw2864_common[0xcf] = 0x80;311		} else if (solo_dev->nr_chans == 16) {312			tbl_tw2864_common[0xd2] = 0x03;313			if (dev_addr == TW_CHIP_OFFSET_ADDR(1))314				tbl_tw2864_common[0xcf] = 0x83;315			else if (dev_addr == TW_CHIP_OFFSET_ADDR(2))316				tbl_tw2864_common[0xcf] = 0x83;317			else if (dev_addr == TW_CHIP_OFFSET_ADDR(3))318				tbl_tw2864_common[0xcf] = 0x80;319		}320	}321 322	for (i = 0; i < 0xff; i++) {323		/* Skip read only registers */324		switch (i) {325		case 0xb8 ... 0xc1:326		case 0xfd:327			continue;328		}329		switch (i & ~0x30) {330		case 0x00:331		case 0x0c:332		case 0x0d:333			continue;334		}335 336		tw_write_and_verify(solo_dev, dev_addr, i,337				    tbl_tw2864_common[i]);338	}339 340	return 0;341}342 343static int tw2815_setup(struct solo_dev *solo_dev, u8 dev_addr)344{345	u8 tbl_ntsc_tw2815_common[] = {346		0x00, 0xc8, 0x20, 0xd0, 0x06, 0xf0, 0x08, 0x80,347		0x80, 0x80, 0x80, 0x02, 0x06, 0x00, 0x11,348	};349 350	u8 tbl_pal_tw2815_common[] = {351		0x00, 0x88, 0x20, 0xd0, 0x05, 0x20, 0x28, 0x80,352		0x80, 0x80, 0x80, 0x82, 0x06, 0x00, 0x11,353	};354 355	u8 tbl_tw2815_sfr[] = {356		0x00, 0x00, 0x00, 0xc0, 0x45, 0xa0, 0xd0, 0x2f, /* 0x00 */357		0x64, 0x80, 0x80, 0x82, 0x82, 0x00, 0x00, 0x00,358		0x00, 0x0f, 0x05, 0x00, 0x00, 0x80, 0x06, 0x00, /* 0x10 */359		0x00, 0x00, 0x00, 0xff, 0x8f, 0x00, 0x00, 0x00,360		0x88, 0x88, 0xc0, 0x00, 0x20, 0x64, 0xa8, 0xec, /* 0x20 */361		0x31, 0x75, 0xb9, 0xfd, 0x00, 0x00, 0x88, 0x88,362		0x88, 0x11, 0x00, 0x88, 0x88, 0x00,		/* 0x30 */363	};364	u8 *tbl_tw2815_common;365	int i;366	int ch;367 368	tbl_ntsc_tw2815_common[0x06] = 0;369 370	/* Horizontal Delay Control */371	tbl_ntsc_tw2815_common[0x02] = DEFAULT_HDELAY_NTSC & 0xff;372	tbl_ntsc_tw2815_common[0x06] |= 0x03 & (DEFAULT_HDELAY_NTSC >> 8);373 374	/* Horizontal Active Control */375	tbl_ntsc_tw2815_common[0x03] = DEFAULT_HACTIVE_NTSC & 0xff;376	tbl_ntsc_tw2815_common[0x06] |=377		((0x03 & (DEFAULT_HACTIVE_NTSC >> 8)) << 2);378 379	/* Vertical Delay Control */380	tbl_ntsc_tw2815_common[0x04] = DEFAULT_VDELAY_NTSC & 0xff;381	tbl_ntsc_tw2815_common[0x06] |=382		((0x01 & (DEFAULT_VDELAY_NTSC >> 8)) << 4);383 384	/* Vertical Active Control */385	tbl_ntsc_tw2815_common[0x05] = DEFAULT_VACTIVE_NTSC & 0xff;386	tbl_ntsc_tw2815_common[0x06] |=387		((0x01 & (DEFAULT_VACTIVE_NTSC >> 8)) << 5);388 389	tbl_pal_tw2815_common[0x06] = 0;390 391	/* Horizontal Delay Control */392	tbl_pal_tw2815_common[0x02] = DEFAULT_HDELAY_PAL & 0xff;393	tbl_pal_tw2815_common[0x06] |= 0x03 & (DEFAULT_HDELAY_PAL >> 8);394 395	/* Horizontal Active Control */396	tbl_pal_tw2815_common[0x03] = DEFAULT_HACTIVE_PAL & 0xff;397	tbl_pal_tw2815_common[0x06] |=398		((0x03 & (DEFAULT_HACTIVE_PAL >> 8)) << 2);399 400	/* Vertical Delay Control */401	tbl_pal_tw2815_common[0x04] = DEFAULT_VDELAY_PAL & 0xff;402	tbl_pal_tw2815_common[0x06] |=403		((0x01 & (DEFAULT_VDELAY_PAL >> 8)) << 4);404 405	/* Vertical Active Control */406	tbl_pal_tw2815_common[0x05] = DEFAULT_VACTIVE_PAL & 0xff;407	tbl_pal_tw2815_common[0x06] |=408		((0x01 & (DEFAULT_VACTIVE_PAL >> 8)) << 5);409 410	tbl_tw2815_common =411	    (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) ?412	     tbl_ntsc_tw2815_common : tbl_pal_tw2815_common;413 414	/* Dual ITU-R BT.656 format */415	tbl_tw2815_common[0x0d] |= 0x04;416 417	/* Audio configuration */418	tbl_tw2815_sfr[0x62 - 0x40] &= ~(3 << 6);419 420	if (solo_dev->nr_chans == 4) {421		tbl_tw2815_sfr[0x63 - 0x40] |= 1;422		tbl_tw2815_sfr[0x62 - 0x40] |= 3 << 6;423	} else if (solo_dev->nr_chans == 8) {424		tbl_tw2815_sfr[0x63 - 0x40] |= 2;425		if (dev_addr == TW_CHIP_OFFSET_ADDR(0))426			tbl_tw2815_sfr[0x62 - 0x40] |= 1 << 6;427		else if (dev_addr == TW_CHIP_OFFSET_ADDR(1))428			tbl_tw2815_sfr[0x62 - 0x40] |= 2 << 6;429	} else if (solo_dev->nr_chans == 16) {430		tbl_tw2815_sfr[0x63 - 0x40] |= 3;431		if (dev_addr == TW_CHIP_OFFSET_ADDR(0))432			tbl_tw2815_sfr[0x62 - 0x40] |= 1 << 6;433		else if (dev_addr == TW_CHIP_OFFSET_ADDR(1))434			tbl_tw2815_sfr[0x62 - 0x40] |= 0 << 6;435		else if (dev_addr == TW_CHIP_OFFSET_ADDR(2))436			tbl_tw2815_sfr[0x62 - 0x40] |= 0 << 6;437		else if (dev_addr == TW_CHIP_OFFSET_ADDR(3))438			tbl_tw2815_sfr[0x62 - 0x40] |= 2 << 6;439	}440 441	/* Output mode of R_ADATM pin (0 mixing, 1 record) */442	/* tbl_tw2815_sfr[0x63 - 0x40] |= 0 << 2; */443 444	/* 8KHz, used to be 16KHz, but changed for remote client compat */445	tbl_tw2815_sfr[0x62 - 0x40] |= 0 << 2;446	tbl_tw2815_sfr[0x6c - 0x40] |= 0 << 2;447 448	/* Playback of right channel */449	tbl_tw2815_sfr[0x6c - 0x40] |= 1 << 5;450 451	/* Reserved value (XXX ??) */452	tbl_tw2815_sfr[0x5c - 0x40] |= 1 << 5;453 454	/* Analog output gain and mix ratio playback on full */455	tbl_tw2815_sfr[0x70 - 0x40] |= 0xff;456	/* Select playback audio and mute all except */457	tbl_tw2815_sfr[0x71 - 0x40] |= 0x10;458	tbl_tw2815_sfr[0x6d - 0x40] |= 0x0f;459 460	/* End of audio configuration */461 462	for (ch = 0; ch < 4; ch++) {463		tbl_tw2815_common[0x0d] &= ~3;464		switch (ch) {465		case 0:466			tbl_tw2815_common[0x0d] |= 0x21;467			break;468		case 1:469			tbl_tw2815_common[0x0d] |= 0x20;470			break;471		case 2:472			tbl_tw2815_common[0x0d] |= 0x23;473			break;474		case 3:475			tbl_tw2815_common[0x0d] |= 0x22;476			break;477		}478 479		for (i = 0; i < 0x0f; i++) {480			if (i == 0x00)481				continue;	/* read-only */482			solo_i2c_writebyte(solo_dev, SOLO_I2C_TW,483					   dev_addr, (ch * 0x10) + i,484					   tbl_tw2815_common[i]);485		}486	}487 488	for (i = 0x40; i < 0x76; i++) {489		/* Skip read-only and nop registers */490		if (i == 0x40 || i == 0x59 || i == 0x5a ||491		    i == 0x5d || i == 0x5e || i == 0x5f)492			continue;493 494		solo_i2c_writebyte(solo_dev, SOLO_I2C_TW, dev_addr, i,495				       tbl_tw2815_sfr[i - 0x40]);496	}497 498	return 0;499}500 501#define FIRST_ACTIVE_LINE	0x0008502#define LAST_ACTIVE_LINE	0x0102503 504static void saa712x_write_regs(struct solo_dev *dev, const u8 *vals,505		int start, int n)506{507	for (; start < n; start++, vals++) {508		/* Skip read-only registers */509		switch (start) {510		/* case 0x00 ... 0x25: */511		case 0x2e ... 0x37:512		case 0x60:513		case 0x7d:514			continue;515		}516		solo_i2c_writebyte(dev, SOLO_I2C_SAA, 0x46, start, *vals);517	}518}519 520#define SAA712x_reg7c (0x80 | ((LAST_ACTIVE_LINE & 0x100) >> 2) \521		| ((FIRST_ACTIVE_LINE & 0x100) >> 4))522 523static void saa712x_setup(struct solo_dev *dev)524{525	const int reg_start = 0x26;526	static const u8 saa7128_regs_ntsc[] = {527	/* :0x26 */528		0x0d, 0x00,529	/* :0x28 */530		0x59, 0x1d, 0x75, 0x3f, 0x06, 0x3f,531	/* :0x2e XXX: read-only */532		0x00, 0x00,533		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,534	/* :0x38 */535		0x1a, 0x1a, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00,536	/* :0x40 */537		0x00, 0x00, 0x00, 0x68, 0x10, 0x97, 0x4c, 0x18,538		0x9b, 0x93, 0x9f, 0xff, 0x7c, 0x34, 0x3f, 0x3f,539	/* :0x50 */540		0x3f, 0x83, 0x83, 0x80, 0x0d, 0x0f, 0xc3, 0x06,541		0x02, 0x80, 0x71, 0x77, 0xa7, 0x67, 0x66, 0x2e,542	/* :0x60 */543		0x7b, 0x11, 0x4f, 0x1f, 0x7c, 0xf0, 0x21, 0x77,544		0x41, 0x88, 0x41, 0x52, 0xed, 0x10, 0x10, 0x00,545	/* :0x70 */546		0x41, 0xc3, 0x00, 0x3e, 0xb8, 0x02, 0x00, 0x00,547		0x00, 0x00, FIRST_ACTIVE_LINE, LAST_ACTIVE_LINE & 0xff,548		SAA712x_reg7c, 0x00, 0xff, 0xff,549	}, saa7128_regs_pal[] = {550	/* :0x26 */551		0x0d, 0x00,552	/* :0x28 */553		0xe1, 0x1d, 0x75, 0x3f, 0x06, 0x3f,554	/* :0x2e XXX: read-only */555		0x00, 0x00,556		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,557	/* :0x38 */558		0x1a, 0x1a, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00,559	/* :0x40 */560		0x00, 0x00, 0x00, 0x68, 0x10, 0x97, 0x4c, 0x18,561		0x9b, 0x93, 0x9f, 0xff, 0x7c, 0x34, 0x3f, 0x3f,562	/* :0x50 */563		0x3f, 0x83, 0x83, 0x80, 0x0d, 0x0f, 0xc3, 0x06,564		0x02, 0x80, 0x0f, 0x77, 0xa7, 0x67, 0x66, 0x2e,565	/* :0x60 */566		0x7b, 0x02, 0x35, 0xcb, 0x8a, 0x09, 0x2a, 0x77,567		0x41, 0x88, 0x41, 0x52, 0xf1, 0x10, 0x20, 0x00,568	/* :0x70 */569		0x41, 0xc3, 0x00, 0x3e, 0xb8, 0x02, 0x00, 0x00,570		0x00, 0x00, 0x12, 0x30,571		SAA712x_reg7c | 0x40, 0x00, 0xff, 0xff,572	};573 574	if (dev->video_type == SOLO_VO_FMT_TYPE_PAL)575		saa712x_write_regs(dev, saa7128_regs_pal, reg_start,576				sizeof(saa7128_regs_pal));577	else578		saa712x_write_regs(dev, saa7128_regs_ntsc, reg_start,579				sizeof(saa7128_regs_ntsc));580}581 582int solo_tw28_init(struct solo_dev *solo_dev)583{584	int i;585	u8 value;586 587	solo_dev->tw28_cnt = 0;588 589	/* Detect techwell chip type(s) */590	for (i = 0; i < solo_dev->nr_chans / 4; i++) {591		value = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,592					  TW_CHIP_OFFSET_ADDR(i), 0xFF);593 594		switch (value >> 3) {595		case 0x18:596			solo_dev->tw2865 |= 1 << i;597			solo_dev->tw28_cnt++;598			break;599		case 0x0c:600		case 0x0d:601			solo_dev->tw2864 |= 1 << i;602			solo_dev->tw28_cnt++;603			break;604		default:605			value = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,606						  TW_CHIP_OFFSET_ADDR(i),607						  0x59);608			if ((value >> 3) == 0x04) {609				solo_dev->tw2815 |= 1 << i;610				solo_dev->tw28_cnt++;611			}612		}613	}614 615	if (solo_dev->tw28_cnt != (solo_dev->nr_chans >> 2)) {616		dev_err(&solo_dev->pdev->dev,617			"Could not initialize any techwell chips\n");618		return -EINVAL;619	}620 621	saa712x_setup(solo_dev);622 623	for (i = 0; i < solo_dev->tw28_cnt; i++) {624		if ((solo_dev->tw2865 & (1 << i)))625			tw2865_setup(solo_dev, TW_CHIP_OFFSET_ADDR(i));626		else if ((solo_dev->tw2864 & (1 << i)))627			tw2864_setup(solo_dev, TW_CHIP_OFFSET_ADDR(i));628		else629			tw2815_setup(solo_dev, TW_CHIP_OFFSET_ADDR(i));630	}631 632	return 0;633}634 635/*636 * We accessed the video status signal in the Techwell chip through637 * iic/i2c because the video status reported by register REG_VI_STATUS1638 * (address 0x012C) of the SOLO6010 chip doesn't give the correct video639 * status signal values.640 */641int tw28_get_video_status(struct solo_dev *solo_dev, u8 ch)642{643	u8 val, chip_num;644 645	/* Get the right chip and on-chip channel */646	chip_num = ch / 4;647	ch %= 4;648 649	val = tw_readbyte(solo_dev, chip_num, TW286x_AV_STAT_ADDR,650			  TW_AV_STAT_ADDR) & 0x0f;651 652	return val & (1 << ch) ? 1 : 0;653}654 655#if 0656/* Status of audio from up to 4 techwell chips are combined into 1 variable.657 * See techwell datasheet for details. */658u16 tw28_get_audio_status(struct solo_dev *solo_dev)659{660	u8 val;661	u16 status = 0;662	int i;663 664	for (i = 0; i < solo_dev->tw28_cnt; i++) {665		val = (tw_readbyte(solo_dev, i, TW286x_AV_STAT_ADDR,666				   TW_AV_STAT_ADDR) & 0xf0) >> 4;667		status |= val << (i * 4);668	}669 670	return status;671}672#endif673 674bool tw28_has_sharpness(struct solo_dev *solo_dev, u8 ch)675{676	return is_tw286x(solo_dev, ch / 4);677}678 679int tw28_set_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch,680		      s32 val)681{682	char sval;683	u8 chip_num;684 685	/* Get the right chip and on-chip channel */686	chip_num = ch / 4;687	ch %= 4;688 689	if (val > 255 || val < 0)690		return -ERANGE;691 692	switch (ctrl) {693	case V4L2_CID_SHARPNESS:694		/* Only 286x has sharpness */695		if (is_tw286x(solo_dev, chip_num)) {696			u8 v = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,697						 TW_CHIP_OFFSET_ADDR(chip_num),698						 TW286x_SHARPNESS(chip_num));699			v &= 0xf0;700			v |= val;701			solo_i2c_writebyte(solo_dev, SOLO_I2C_TW,702					   TW_CHIP_OFFSET_ADDR(chip_num),703					   TW286x_SHARPNESS(chip_num), v);704		} else {705			return -EINVAL;706		}707		break;708 709	case V4L2_CID_HUE:710		if (is_tw286x(solo_dev, chip_num))711			sval = val - 128;712		else713			sval = (char)val;714		tw_writebyte(solo_dev, chip_num, TW286x_HUE_ADDR(ch),715			     TW_HUE_ADDR(ch), sval);716 717		break;718 719	case V4L2_CID_SATURATION:720		/* 286x chips have a U and V component for saturation */721		if (is_tw286x(solo_dev, chip_num)) {722			solo_i2c_writebyte(solo_dev, SOLO_I2C_TW,723					   TW_CHIP_OFFSET_ADDR(chip_num),724					   TW286x_SATURATIONU_ADDR(ch), val);725		}726		tw_writebyte(solo_dev, chip_num, TW286x_SATURATIONV_ADDR(ch),727			     TW_SATURATION_ADDR(ch), val);728 729		break;730 731	case V4L2_CID_CONTRAST:732		tw_writebyte(solo_dev, chip_num, TW286x_CONTRAST_ADDR(ch),733			     TW_CONTRAST_ADDR(ch), val);734		break;735 736	case V4L2_CID_BRIGHTNESS:737		if (is_tw286x(solo_dev, chip_num))738			sval = val - 128;739		else740			sval = (char)val;741		tw_writebyte(solo_dev, chip_num, TW286x_BRIGHTNESS_ADDR(ch),742			     TW_BRIGHTNESS_ADDR(ch), sval);743 744		break;745	default:746		return -EINVAL;747	}748 749	return 0;750}751 752int tw28_get_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch,753		      s32 *val)754{755	u8 rval, chip_num;756 757	/* Get the right chip and on-chip channel */758	chip_num = ch / 4;759	ch %= 4;760 761	switch (ctrl) {762	case V4L2_CID_SHARPNESS:763		/* Only 286x has sharpness */764		if (is_tw286x(solo_dev, chip_num)) {765			rval = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,766						 TW_CHIP_OFFSET_ADDR(chip_num),767						 TW286x_SHARPNESS(chip_num));768			*val = rval & 0x0f;769		} else770			*val = 0;771		break;772	case V4L2_CID_HUE:773		rval = tw_readbyte(solo_dev, chip_num, TW286x_HUE_ADDR(ch),774				   TW_HUE_ADDR(ch));775		if (is_tw286x(solo_dev, chip_num))776			*val = (s32)((char)rval) + 128;777		else778			*val = rval;779		break;780	case V4L2_CID_SATURATION:781		*val = tw_readbyte(solo_dev, chip_num,782				   TW286x_SATURATIONU_ADDR(ch),783				   TW_SATURATION_ADDR(ch));784		break;785	case V4L2_CID_CONTRAST:786		*val = tw_readbyte(solo_dev, chip_num,787				   TW286x_CONTRAST_ADDR(ch),788				   TW_CONTRAST_ADDR(ch));789		break;790	case V4L2_CID_BRIGHTNESS:791		rval = tw_readbyte(solo_dev, chip_num,792				   TW286x_BRIGHTNESS_ADDR(ch),793				   TW_BRIGHTNESS_ADDR(ch));794		if (is_tw286x(solo_dev, chip_num))795			*val = (s32)((char)rval) + 128;796		else797			*val = rval;798		break;799	default:800		return -EINVAL;801	}802 803	return 0;804}805 806#if 0807/*808 * For audio output volume, the output channel is only 1. In this case we809 * don't need to offset TW_CHIP_OFFSET_ADDR. The TW_CHIP_OFFSET_ADDR used810 * is the base address of the techwell chip.811 */812void tw2815_Set_AudioOutVol(struct solo_dev *solo_dev, unsigned int u_val)813{814	unsigned int val;815	unsigned int chip_num;816 817	chip_num = (solo_dev->nr_chans - 1) / 4;818 819	val = tw_readbyte(solo_dev, chip_num, TW286x_AUDIO_OUTPUT_VOL_ADDR,820			  TW_AUDIO_OUTPUT_VOL_ADDR);821 822	u_val = (val & 0x0f) | (u_val << 4);823 824	tw_writebyte(solo_dev, chip_num, TW286x_AUDIO_OUTPUT_VOL_ADDR,825		     TW_AUDIO_OUTPUT_VOL_ADDR, u_val);826}827#endif828 829u8 tw28_get_audio_gain(struct solo_dev *solo_dev, u8 ch)830{831	u8 val;832	u8 chip_num;833 834	/* Get the right chip and on-chip channel */835	chip_num = ch / 4;836	ch %= 4;837 838	val = tw_readbyte(solo_dev, chip_num,839			  TW286x_AUDIO_INPUT_GAIN_ADDR(ch),840			  TW_AUDIO_INPUT_GAIN_ADDR(ch));841 842	return (ch % 2) ? (val >> 4) : (val & 0x0f);843}844 845void tw28_set_audio_gain(struct solo_dev *solo_dev, u8 ch, u8 val)846{847	u8 old_val;848	u8 chip_num;849 850	/* Get the right chip and on-chip channel */851	chip_num = ch / 4;852	ch %= 4;853 854	old_val = tw_readbyte(solo_dev, chip_num,855			      TW286x_AUDIO_INPUT_GAIN_ADDR(ch),856			      TW_AUDIO_INPUT_GAIN_ADDR(ch));857 858	val = (old_val & ((ch % 2) ? 0x0f : 0xf0)) |859		((ch % 2) ? (val << 4) : val);860 861	tw_writebyte(solo_dev, chip_num, TW286x_AUDIO_INPUT_GAIN_ADDR(ch),862		     TW_AUDIO_INPUT_GAIN_ADDR(ch), val);863}864