mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-29 23:53:32 +00:00
887069f424
The wrappers in include/linux/pci-dma-compat.h should go away. The patch has been generated with the coccinelle script below. It has been compile tested. @@ @@ - PCI_DMA_BIDIRECTIONAL + DMA_BIDIRECTIONAL @@ @@ - PCI_DMA_TODEVICE + DMA_TO_DEVICE @@ @@ - PCI_DMA_FROMDEVICE + DMA_FROM_DEVICE @@ @@ - PCI_DMA_NONE + DMA_NONE @@ expression e1, e2, e3; @@ - pci_alloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3; @@ - pci_zalloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3, e4; @@ - pci_free_consistent(e1, e2, e3, e4) + dma_free_coherent(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_single(e1, e2, e3, e4) + dma_map_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_single(e1, e2, e3, e4) + dma_unmap_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4, e5; @@ - pci_map_page(e1, e2, e3, e4, e5) + dma_map_page(&e1->dev, e2, e3, e4, e5) @@ expression e1, e2, e3, e4; @@ - pci_unmap_page(e1, e2, e3, e4) + dma_unmap_page(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_sg(e1, e2, e3, e4) + dma_map_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_sg(e1, e2, e3, e4) + dma_unmap_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_cpu(e1, e2, e3, e4) + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_device(e1, e2, e3, e4) + dma_sync_single_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4) + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_device(e1, e2, e3, e4) + dma_sync_sg_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2; @@ - pci_dma_mapping_error(e1, e2) + dma_mapping_error(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_dma_mask(e1, e2) + dma_set_mask(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_consistent_dma_mask(e1, e2) + dma_set_coherent_mask(&e1->dev, e2) Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com> Tested-by: Akihiro Tsukada <tskd08@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
1482 lines
31 KiB
C
1482 lines
31 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* driver for Earthsoft PT1/PT2
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*
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* Copyright (C) 2009 HIRANO Takahito <hiranotaka@zng.info>
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*
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* based on pt1dvr - http://pt1dvr.sourceforge.jp/
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* by Tomoaki Ishikawa <tomy@users.sourceforge.jp>
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*/
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/sched/signal.h>
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#include <linux/hrtimer.h>
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#include <linux/delay.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include <linux/pci.h>
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#include <linux/kthread.h>
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#include <linux/freezer.h>
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#include <linux/ratelimit.h>
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#include <linux/string.h>
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#include <linux/i2c.h>
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#include <media/dvbdev.h>
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#include <media/dvb_demux.h>
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#include <media/dmxdev.h>
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#include <media/dvb_net.h>
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#include <media/dvb_frontend.h>
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#include "tc90522.h"
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#include "qm1d1b0004.h"
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#include "dvb-pll.h"
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#define DRIVER_NAME "earth-pt1"
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#define PT1_PAGE_SHIFT 12
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#define PT1_PAGE_SIZE (1 << PT1_PAGE_SHIFT)
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#define PT1_NR_UPACKETS 1024
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#define PT1_NR_BUFS 511
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struct pt1_buffer_page {
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__le32 upackets[PT1_NR_UPACKETS];
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};
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struct pt1_table_page {
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__le32 next_pfn;
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__le32 buf_pfns[PT1_NR_BUFS];
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};
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struct pt1_buffer {
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struct pt1_buffer_page *page;
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dma_addr_t addr;
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};
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struct pt1_table {
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struct pt1_table_page *page;
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dma_addr_t addr;
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struct pt1_buffer bufs[PT1_NR_BUFS];
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};
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enum pt1_fe_clk {
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PT1_FE_CLK_20MHZ, /* PT1 */
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PT1_FE_CLK_25MHZ, /* PT2 */
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};
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#define PT1_NR_ADAPS 4
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struct pt1_adapter;
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struct pt1 {
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struct pci_dev *pdev;
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void __iomem *regs;
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struct i2c_adapter i2c_adap;
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int i2c_running;
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struct pt1_adapter *adaps[PT1_NR_ADAPS];
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struct pt1_table *tables;
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struct task_struct *kthread;
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int table_index;
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int buf_index;
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struct mutex lock;
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int power;
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int reset;
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enum pt1_fe_clk fe_clk;
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};
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struct pt1_adapter {
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struct pt1 *pt1;
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int index;
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u8 *buf;
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int upacket_count;
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int packet_count;
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int st_count;
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struct dvb_adapter adap;
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struct dvb_demux demux;
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int users;
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struct dmxdev dmxdev;
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struct dvb_frontend *fe;
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struct i2c_client *demod_i2c_client;
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struct i2c_client *tuner_i2c_client;
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int (*orig_set_voltage)(struct dvb_frontend *fe,
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enum fe_sec_voltage voltage);
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int (*orig_sleep)(struct dvb_frontend *fe);
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int (*orig_init)(struct dvb_frontend *fe);
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enum fe_sec_voltage voltage;
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int sleep;
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};
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union pt1_tuner_config {
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struct qm1d1b0004_config qm1d1b0004;
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struct dvb_pll_config tda6651;
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};
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struct pt1_config {
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struct i2c_board_info demod_info;
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struct tc90522_config demod_cfg;
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struct i2c_board_info tuner_info;
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union pt1_tuner_config tuner_cfg;
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};
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static const struct pt1_config pt1_configs[PT1_NR_ADAPS] = {
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{
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.demod_info = {
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I2C_BOARD_INFO(TC90522_I2C_DEV_SAT, 0x1b),
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},
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.tuner_info = {
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I2C_BOARD_INFO("qm1d1b0004", 0x60),
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},
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},
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{
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.demod_info = {
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I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x1a),
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},
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.tuner_info = {
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I2C_BOARD_INFO("tda665x_earthpt1", 0x61),
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},
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},
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{
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.demod_info = {
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I2C_BOARD_INFO(TC90522_I2C_DEV_SAT, 0x19),
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},
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.tuner_info = {
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I2C_BOARD_INFO("qm1d1b0004", 0x60),
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},
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},
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{
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.demod_info = {
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I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x18),
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},
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.tuner_info = {
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I2C_BOARD_INFO("tda665x_earthpt1", 0x61),
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},
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},
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};
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static const u8 va1j5jf8007s_20mhz_configs[][2] = {
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{0x04, 0x02}, {0x0d, 0x55}, {0x11, 0x40}, {0x13, 0x80}, {0x17, 0x01},
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{0x1c, 0x0a}, {0x1d, 0xaa}, {0x1e, 0x20}, {0x1f, 0x88}, {0x51, 0xb0},
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{0x52, 0x89}, {0x53, 0xb3}, {0x5a, 0x2d}, {0x5b, 0xd3}, {0x85, 0x69},
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{0x87, 0x04}, {0x8e, 0x02}, {0xa3, 0xf7}, {0xa5, 0xc0},
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};
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static const u8 va1j5jf8007s_25mhz_configs[][2] = {
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{0x04, 0x02}, {0x11, 0x40}, {0x13, 0x80}, {0x17, 0x01}, {0x1c, 0x0a},
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{0x1d, 0xaa}, {0x1e, 0x20}, {0x1f, 0x88}, {0x51, 0xb0}, {0x52, 0x89},
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{0x53, 0xb3}, {0x5a, 0x2d}, {0x5b, 0xd3}, {0x85, 0x69}, {0x87, 0x04},
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{0x8e, 0x26}, {0xa3, 0xf7}, {0xa5, 0xc0},
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};
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static const u8 va1j5jf8007t_20mhz_configs[][2] = {
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{0x03, 0x90}, {0x14, 0x8f}, {0x1c, 0x2a}, {0x1d, 0xa8}, {0x1e, 0xa2},
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{0x22, 0x83}, {0x31, 0x0d}, {0x32, 0xe0}, {0x39, 0xd3}, {0x3a, 0x00},
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{0x3b, 0x11}, {0x3c, 0x3f},
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{0x5c, 0x40}, {0x5f, 0x80}, {0x75, 0x02}, {0x76, 0x4e}, {0x77, 0x03},
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{0xef, 0x01}
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};
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static const u8 va1j5jf8007t_25mhz_configs[][2] = {
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{0x03, 0x90}, {0x1c, 0x2a}, {0x1d, 0xa8}, {0x1e, 0xa2}, {0x22, 0x83},
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{0x3a, 0x04}, {0x3b, 0x11}, {0x3c, 0x3f}, {0x5c, 0x40}, {0x5f, 0x80},
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{0x75, 0x0a}, {0x76, 0x4c}, {0x77, 0x03}, {0xef, 0x01}
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};
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static int config_demod(struct i2c_client *cl, enum pt1_fe_clk clk)
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{
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int ret;
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bool is_sat;
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const u8 (*cfg_data)[2];
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int i, len;
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is_sat = !strncmp(cl->name, TC90522_I2C_DEV_SAT,
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strlen(TC90522_I2C_DEV_SAT));
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if (is_sat) {
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struct i2c_msg msg[2];
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u8 wbuf, rbuf;
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wbuf = 0x07;
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msg[0].addr = cl->addr;
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msg[0].flags = 0;
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msg[0].len = 1;
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msg[0].buf = &wbuf;
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msg[1].addr = cl->addr;
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msg[1].flags = I2C_M_RD;
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msg[1].len = 1;
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msg[1].buf = &rbuf;
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ret = i2c_transfer(cl->adapter, msg, 2);
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if (ret < 0)
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return ret;
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if (rbuf != 0x41)
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return -EIO;
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}
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/* frontend init */
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if (clk == PT1_FE_CLK_20MHZ) {
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if (is_sat) {
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cfg_data = va1j5jf8007s_20mhz_configs;
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len = ARRAY_SIZE(va1j5jf8007s_20mhz_configs);
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} else {
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cfg_data = va1j5jf8007t_20mhz_configs;
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len = ARRAY_SIZE(va1j5jf8007t_20mhz_configs);
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}
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} else {
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if (is_sat) {
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cfg_data = va1j5jf8007s_25mhz_configs;
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len = ARRAY_SIZE(va1j5jf8007s_25mhz_configs);
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} else {
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cfg_data = va1j5jf8007t_25mhz_configs;
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len = ARRAY_SIZE(va1j5jf8007t_25mhz_configs);
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}
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}
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for (i = 0; i < len; i++) {
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ret = i2c_master_send(cl, cfg_data[i], 2);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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/*
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* Init registers for (each pair of) terrestrial/satellite block in demod.
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* Note that resetting terr. block also resets its peer sat. block as well.
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* This function must be called before configuring any demod block
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* (before pt1_wakeup(), fe->ops.init()).
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*/
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static int pt1_demod_block_init(struct pt1 *pt1)
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{
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struct i2c_client *cl;
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u8 buf[2] = {0x01, 0x80};
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int ret;
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int i;
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/* reset all terr. & sat. pairs first */
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for (i = 0; i < PT1_NR_ADAPS; i++) {
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cl = pt1->adaps[i]->demod_i2c_client;
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if (strncmp(cl->name, TC90522_I2C_DEV_TER,
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strlen(TC90522_I2C_DEV_TER)))
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continue;
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ret = i2c_master_send(cl, buf, 2);
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if (ret < 0)
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return ret;
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usleep_range(30000, 50000);
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}
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for (i = 0; i < PT1_NR_ADAPS; i++) {
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cl = pt1->adaps[i]->demod_i2c_client;
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if (strncmp(cl->name, TC90522_I2C_DEV_SAT,
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strlen(TC90522_I2C_DEV_SAT)))
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continue;
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ret = i2c_master_send(cl, buf, 2);
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if (ret < 0)
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return ret;
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usleep_range(30000, 50000);
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}
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return 0;
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}
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static void pt1_write_reg(struct pt1 *pt1, int reg, u32 data)
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{
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writel(data, pt1->regs + reg * 4);
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}
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static u32 pt1_read_reg(struct pt1 *pt1, int reg)
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{
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return readl(pt1->regs + reg * 4);
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}
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static unsigned int pt1_nr_tables = 8;
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module_param_named(nr_tables, pt1_nr_tables, uint, 0);
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static void pt1_increment_table_count(struct pt1 *pt1)
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{
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pt1_write_reg(pt1, 0, 0x00000020);
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}
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static void pt1_init_table_count(struct pt1 *pt1)
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{
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pt1_write_reg(pt1, 0, 0x00000010);
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}
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static void pt1_register_tables(struct pt1 *pt1, u32 first_pfn)
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{
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pt1_write_reg(pt1, 5, first_pfn);
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pt1_write_reg(pt1, 0, 0x0c000040);
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}
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static void pt1_unregister_tables(struct pt1 *pt1)
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{
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pt1_write_reg(pt1, 0, 0x08080000);
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}
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static int pt1_sync(struct pt1 *pt1)
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{
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int i;
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for (i = 0; i < 57; i++) {
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if (pt1_read_reg(pt1, 0) & 0x20000000)
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return 0;
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pt1_write_reg(pt1, 0, 0x00000008);
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}
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dev_err(&pt1->pdev->dev, "could not sync\n");
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return -EIO;
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}
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static u64 pt1_identify(struct pt1 *pt1)
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{
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int i;
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u64 id = 0;
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for (i = 0; i < 57; i++) {
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id |= (u64)(pt1_read_reg(pt1, 0) >> 30 & 1) << i;
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pt1_write_reg(pt1, 0, 0x00000008);
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}
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return id;
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}
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static int pt1_unlock(struct pt1 *pt1)
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{
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int i;
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pt1_write_reg(pt1, 0, 0x00000008);
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for (i = 0; i < 3; i++) {
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if (pt1_read_reg(pt1, 0) & 0x80000000)
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return 0;
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usleep_range(1000, 2000);
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}
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dev_err(&pt1->pdev->dev, "could not unlock\n");
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return -EIO;
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}
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static int pt1_reset_pci(struct pt1 *pt1)
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{
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int i;
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pt1_write_reg(pt1, 0, 0x01010000);
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pt1_write_reg(pt1, 0, 0x01000000);
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for (i = 0; i < 10; i++) {
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if (pt1_read_reg(pt1, 0) & 0x00000001)
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return 0;
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usleep_range(1000, 2000);
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}
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dev_err(&pt1->pdev->dev, "could not reset PCI\n");
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return -EIO;
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}
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static int pt1_reset_ram(struct pt1 *pt1)
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{
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int i;
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pt1_write_reg(pt1, 0, 0x02020000);
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pt1_write_reg(pt1, 0, 0x02000000);
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for (i = 0; i < 10; i++) {
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if (pt1_read_reg(pt1, 0) & 0x00000002)
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return 0;
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usleep_range(1000, 2000);
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}
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dev_err(&pt1->pdev->dev, "could not reset RAM\n");
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return -EIO;
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}
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static int pt1_do_enable_ram(struct pt1 *pt1)
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{
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int i, j;
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u32 status;
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status = pt1_read_reg(pt1, 0) & 0x00000004;
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pt1_write_reg(pt1, 0, 0x00000002);
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for (i = 0; i < 10; i++) {
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for (j = 0; j < 1024; j++) {
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if ((pt1_read_reg(pt1, 0) & 0x00000004) != status)
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return 0;
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}
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usleep_range(1000, 2000);
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}
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dev_err(&pt1->pdev->dev, "could not enable RAM\n");
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return -EIO;
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}
|
|
|
|
static int pt1_enable_ram(struct pt1 *pt1)
|
|
{
|
|
int i, ret;
|
|
int phase;
|
|
usleep_range(1000, 2000);
|
|
phase = pt1->pdev->device == 0x211a ? 128 : 166;
|
|
for (i = 0; i < phase; i++) {
|
|
ret = pt1_do_enable_ram(pt1);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void pt1_disable_ram(struct pt1 *pt1)
|
|
{
|
|
pt1_write_reg(pt1, 0, 0x0b0b0000);
|
|
}
|
|
|
|
static void pt1_set_stream(struct pt1 *pt1, int index, int enabled)
|
|
{
|
|
pt1_write_reg(pt1, 2, 1 << (index + 8) | enabled << index);
|
|
}
|
|
|
|
static void pt1_init_streams(struct pt1 *pt1)
|
|
{
|
|
int i;
|
|
for (i = 0; i < PT1_NR_ADAPS; i++)
|
|
pt1_set_stream(pt1, i, 0);
|
|
}
|
|
|
|
static int pt1_filter(struct pt1 *pt1, struct pt1_buffer_page *page)
|
|
{
|
|
u32 upacket;
|
|
int i;
|
|
int index;
|
|
struct pt1_adapter *adap;
|
|
int offset;
|
|
u8 *buf;
|
|
int sc;
|
|
|
|
if (!page->upackets[PT1_NR_UPACKETS - 1])
|
|
return 0;
|
|
|
|
for (i = 0; i < PT1_NR_UPACKETS; i++) {
|
|
upacket = le32_to_cpu(page->upackets[i]);
|
|
index = (upacket >> 29) - 1;
|
|
if (index < 0 || index >= PT1_NR_ADAPS)
|
|
continue;
|
|
|
|
adap = pt1->adaps[index];
|
|
if (upacket >> 25 & 1)
|
|
adap->upacket_count = 0;
|
|
else if (!adap->upacket_count)
|
|
continue;
|
|
|
|
if (upacket >> 24 & 1)
|
|
printk_ratelimited(KERN_INFO "earth-pt1: device buffer overflowing. table[%d] buf[%d]\n",
|
|
pt1->table_index, pt1->buf_index);
|
|
sc = upacket >> 26 & 0x7;
|
|
if (adap->st_count != -1 && sc != ((adap->st_count + 1) & 0x7))
|
|
printk_ratelimited(KERN_INFO "earth-pt1: data loss in streamID(adapter)[%d]\n",
|
|
index);
|
|
adap->st_count = sc;
|
|
|
|
buf = adap->buf;
|
|
offset = adap->packet_count * 188 + adap->upacket_count * 3;
|
|
buf[offset] = upacket >> 16;
|
|
buf[offset + 1] = upacket >> 8;
|
|
if (adap->upacket_count != 62)
|
|
buf[offset + 2] = upacket;
|
|
|
|
if (++adap->upacket_count >= 63) {
|
|
adap->upacket_count = 0;
|
|
if (++adap->packet_count >= 21) {
|
|
dvb_dmx_swfilter_packets(&adap->demux, buf, 21);
|
|
adap->packet_count = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
page->upackets[PT1_NR_UPACKETS - 1] = 0;
|
|
return 1;
|
|
}
|
|
|
|
static int pt1_thread(void *data)
|
|
{
|
|
struct pt1 *pt1;
|
|
struct pt1_buffer_page *page;
|
|
bool was_frozen;
|
|
|
|
#define PT1_FETCH_DELAY 10
|
|
#define PT1_FETCH_DELAY_DELTA 2
|
|
|
|
pt1 = data;
|
|
set_freezable();
|
|
|
|
while (!kthread_freezable_should_stop(&was_frozen)) {
|
|
if (was_frozen) {
|
|
int i;
|
|
|
|
for (i = 0; i < PT1_NR_ADAPS; i++)
|
|
pt1_set_stream(pt1, i, !!pt1->adaps[i]->users);
|
|
}
|
|
|
|
page = pt1->tables[pt1->table_index].bufs[pt1->buf_index].page;
|
|
if (!pt1_filter(pt1, page)) {
|
|
ktime_t delay;
|
|
|
|
delay = ktime_set(0, PT1_FETCH_DELAY * NSEC_PER_MSEC);
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
|
schedule_hrtimeout_range(&delay,
|
|
PT1_FETCH_DELAY_DELTA * NSEC_PER_MSEC,
|
|
HRTIMER_MODE_REL);
|
|
continue;
|
|
}
|
|
|
|
if (++pt1->buf_index >= PT1_NR_BUFS) {
|
|
pt1_increment_table_count(pt1);
|
|
pt1->buf_index = 0;
|
|
if (++pt1->table_index >= pt1_nr_tables)
|
|
pt1->table_index = 0;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void pt1_free_page(struct pt1 *pt1, void *page, dma_addr_t addr)
|
|
{
|
|
dma_free_coherent(&pt1->pdev->dev, PT1_PAGE_SIZE, page, addr);
|
|
}
|
|
|
|
static void *pt1_alloc_page(struct pt1 *pt1, dma_addr_t *addrp, u32 *pfnp)
|
|
{
|
|
void *page;
|
|
dma_addr_t addr;
|
|
|
|
page = dma_alloc_coherent(&pt1->pdev->dev, PT1_PAGE_SIZE, &addr,
|
|
GFP_KERNEL);
|
|
if (page == NULL)
|
|
return NULL;
|
|
|
|
BUG_ON(addr & (PT1_PAGE_SIZE - 1));
|
|
BUG_ON(addr >> PT1_PAGE_SHIFT >> 31 >> 1);
|
|
|
|
*addrp = addr;
|
|
*pfnp = addr >> PT1_PAGE_SHIFT;
|
|
return page;
|
|
}
|
|
|
|
static void pt1_cleanup_buffer(struct pt1 *pt1, struct pt1_buffer *buf)
|
|
{
|
|
pt1_free_page(pt1, buf->page, buf->addr);
|
|
}
|
|
|
|
static int
|
|
pt1_init_buffer(struct pt1 *pt1, struct pt1_buffer *buf, u32 *pfnp)
|
|
{
|
|
struct pt1_buffer_page *page;
|
|
dma_addr_t addr;
|
|
|
|
page = pt1_alloc_page(pt1, &addr, pfnp);
|
|
if (page == NULL)
|
|
return -ENOMEM;
|
|
|
|
page->upackets[PT1_NR_UPACKETS - 1] = 0;
|
|
|
|
buf->page = page;
|
|
buf->addr = addr;
|
|
return 0;
|
|
}
|
|
|
|
static void pt1_cleanup_table(struct pt1 *pt1, struct pt1_table *table)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < PT1_NR_BUFS; i++)
|
|
pt1_cleanup_buffer(pt1, &table->bufs[i]);
|
|
|
|
pt1_free_page(pt1, table->page, table->addr);
|
|
}
|
|
|
|
static int
|
|
pt1_init_table(struct pt1 *pt1, struct pt1_table *table, u32 *pfnp)
|
|
{
|
|
struct pt1_table_page *page;
|
|
dma_addr_t addr;
|
|
int i, ret;
|
|
u32 buf_pfn;
|
|
|
|
page = pt1_alloc_page(pt1, &addr, pfnp);
|
|
if (page == NULL)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i < PT1_NR_BUFS; i++) {
|
|
ret = pt1_init_buffer(pt1, &table->bufs[i], &buf_pfn);
|
|
if (ret < 0)
|
|
goto err;
|
|
|
|
page->buf_pfns[i] = cpu_to_le32(buf_pfn);
|
|
}
|
|
|
|
pt1_increment_table_count(pt1);
|
|
table->page = page;
|
|
table->addr = addr;
|
|
return 0;
|
|
|
|
err:
|
|
while (i--)
|
|
pt1_cleanup_buffer(pt1, &table->bufs[i]);
|
|
|
|
pt1_free_page(pt1, page, addr);
|
|
return ret;
|
|
}
|
|
|
|
static void pt1_cleanup_tables(struct pt1 *pt1)
|
|
{
|
|
struct pt1_table *tables;
|
|
int i;
|
|
|
|
tables = pt1->tables;
|
|
pt1_unregister_tables(pt1);
|
|
|
|
for (i = 0; i < pt1_nr_tables; i++)
|
|
pt1_cleanup_table(pt1, &tables[i]);
|
|
|
|
vfree(tables);
|
|
}
|
|
|
|
static int pt1_init_tables(struct pt1 *pt1)
|
|
{
|
|
struct pt1_table *tables;
|
|
int i, ret;
|
|
u32 first_pfn, pfn;
|
|
|
|
if (!pt1_nr_tables)
|
|
return 0;
|
|
|
|
tables = vmalloc(array_size(pt1_nr_tables, sizeof(struct pt1_table)));
|
|
if (tables == NULL)
|
|
return -ENOMEM;
|
|
|
|
pt1_init_table_count(pt1);
|
|
|
|
i = 0;
|
|
ret = pt1_init_table(pt1, &tables[0], &first_pfn);
|
|
if (ret)
|
|
goto err;
|
|
i++;
|
|
|
|
while (i < pt1_nr_tables) {
|
|
ret = pt1_init_table(pt1, &tables[i], &pfn);
|
|
if (ret)
|
|
goto err;
|
|
tables[i - 1].page->next_pfn = cpu_to_le32(pfn);
|
|
i++;
|
|
}
|
|
|
|
tables[pt1_nr_tables - 1].page->next_pfn = cpu_to_le32(first_pfn);
|
|
|
|
pt1_register_tables(pt1, first_pfn);
|
|
pt1->tables = tables;
|
|
return 0;
|
|
|
|
err:
|
|
while (i--)
|
|
pt1_cleanup_table(pt1, &tables[i]);
|
|
|
|
vfree(tables);
|
|
return ret;
|
|
}
|
|
|
|
static int pt1_start_polling(struct pt1 *pt1)
|
|
{
|
|
int ret = 0;
|
|
|
|
mutex_lock(&pt1->lock);
|
|
if (!pt1->kthread) {
|
|
pt1->kthread = kthread_run(pt1_thread, pt1, "earth-pt1");
|
|
if (IS_ERR(pt1->kthread)) {
|
|
ret = PTR_ERR(pt1->kthread);
|
|
pt1->kthread = NULL;
|
|
}
|
|
}
|
|
mutex_unlock(&pt1->lock);
|
|
return ret;
|
|
}
|
|
|
|
static int pt1_start_feed(struct dvb_demux_feed *feed)
|
|
{
|
|
struct pt1_adapter *adap;
|
|
adap = container_of(feed->demux, struct pt1_adapter, demux);
|
|
if (!adap->users++) {
|
|
int ret;
|
|
|
|
ret = pt1_start_polling(adap->pt1);
|
|
if (ret)
|
|
return ret;
|
|
pt1_set_stream(adap->pt1, adap->index, 1);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void pt1_stop_polling(struct pt1 *pt1)
|
|
{
|
|
int i, count;
|
|
|
|
mutex_lock(&pt1->lock);
|
|
for (i = 0, count = 0; i < PT1_NR_ADAPS; i++)
|
|
count += pt1->adaps[i]->users;
|
|
|
|
if (count == 0 && pt1->kthread) {
|
|
kthread_stop(pt1->kthread);
|
|
pt1->kthread = NULL;
|
|
}
|
|
mutex_unlock(&pt1->lock);
|
|
}
|
|
|
|
static int pt1_stop_feed(struct dvb_demux_feed *feed)
|
|
{
|
|
struct pt1_adapter *adap;
|
|
adap = container_of(feed->demux, struct pt1_adapter, demux);
|
|
if (!--adap->users) {
|
|
pt1_set_stream(adap->pt1, adap->index, 0);
|
|
pt1_stop_polling(adap->pt1);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
pt1_update_power(struct pt1 *pt1)
|
|
{
|
|
int bits;
|
|
int i;
|
|
struct pt1_adapter *adap;
|
|
static const int sleep_bits[] = {
|
|
1 << 4,
|
|
1 << 6 | 1 << 7,
|
|
1 << 5,
|
|
1 << 6 | 1 << 8,
|
|
};
|
|
|
|
bits = pt1->power | !pt1->reset << 3;
|
|
mutex_lock(&pt1->lock);
|
|
for (i = 0; i < PT1_NR_ADAPS; i++) {
|
|
adap = pt1->adaps[i];
|
|
switch (adap->voltage) {
|
|
case SEC_VOLTAGE_13: /* actually 11V */
|
|
bits |= 1 << 2;
|
|
break;
|
|
case SEC_VOLTAGE_18: /* actually 15V */
|
|
bits |= 1 << 1 | 1 << 2;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* XXX: The bits should be changed depending on adap->sleep. */
|
|
bits |= sleep_bits[i];
|
|
}
|
|
pt1_write_reg(pt1, 1, bits);
|
|
mutex_unlock(&pt1->lock);
|
|
}
|
|
|
|
static int pt1_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage)
|
|
{
|
|
struct pt1_adapter *adap;
|
|
|
|
adap = container_of(fe->dvb, struct pt1_adapter, adap);
|
|
adap->voltage = voltage;
|
|
pt1_update_power(adap->pt1);
|
|
|
|
if (adap->orig_set_voltage)
|
|
return adap->orig_set_voltage(fe, voltage);
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static int pt1_sleep(struct dvb_frontend *fe)
|
|
{
|
|
struct pt1_adapter *adap;
|
|
int ret;
|
|
|
|
adap = container_of(fe->dvb, struct pt1_adapter, adap);
|
|
|
|
ret = 0;
|
|
if (adap->orig_sleep)
|
|
ret = adap->orig_sleep(fe);
|
|
|
|
adap->sleep = 1;
|
|
pt1_update_power(adap->pt1);
|
|
return ret;
|
|
}
|
|
|
|
static int pt1_wakeup(struct dvb_frontend *fe)
|
|
{
|
|
struct pt1_adapter *adap;
|
|
int ret;
|
|
|
|
adap = container_of(fe->dvb, struct pt1_adapter, adap);
|
|
adap->sleep = 0;
|
|
pt1_update_power(adap->pt1);
|
|
usleep_range(1000, 2000);
|
|
|
|
ret = config_demod(adap->demod_i2c_client, adap->pt1->fe_clk);
|
|
if (ret == 0 && adap->orig_init)
|
|
ret = adap->orig_init(fe);
|
|
return ret;
|
|
}
|
|
|
|
static void pt1_free_adapter(struct pt1_adapter *adap)
|
|
{
|
|
adap->demux.dmx.close(&adap->demux.dmx);
|
|
dvb_dmxdev_release(&adap->dmxdev);
|
|
dvb_dmx_release(&adap->demux);
|
|
dvb_unregister_adapter(&adap->adap);
|
|
free_page((unsigned long)adap->buf);
|
|
kfree(adap);
|
|
}
|
|
|
|
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
|
|
|
|
static struct pt1_adapter *
|
|
pt1_alloc_adapter(struct pt1 *pt1)
|
|
{
|
|
struct pt1_adapter *adap;
|
|
void *buf;
|
|
struct dvb_adapter *dvb_adap;
|
|
struct dvb_demux *demux;
|
|
struct dmxdev *dmxdev;
|
|
int ret;
|
|
|
|
adap = kzalloc(sizeof(struct pt1_adapter), GFP_KERNEL);
|
|
if (!adap) {
|
|
ret = -ENOMEM;
|
|
goto err;
|
|
}
|
|
|
|
adap->pt1 = pt1;
|
|
|
|
adap->voltage = SEC_VOLTAGE_OFF;
|
|
adap->sleep = 1;
|
|
|
|
buf = (u8 *)__get_free_page(GFP_KERNEL);
|
|
if (!buf) {
|
|
ret = -ENOMEM;
|
|
goto err_kfree;
|
|
}
|
|
|
|
adap->buf = buf;
|
|
adap->upacket_count = 0;
|
|
adap->packet_count = 0;
|
|
adap->st_count = -1;
|
|
|
|
dvb_adap = &adap->adap;
|
|
dvb_adap->priv = adap;
|
|
ret = dvb_register_adapter(dvb_adap, DRIVER_NAME, THIS_MODULE,
|
|
&pt1->pdev->dev, adapter_nr);
|
|
if (ret < 0)
|
|
goto err_free_page;
|
|
|
|
demux = &adap->demux;
|
|
demux->dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING;
|
|
demux->priv = adap;
|
|
demux->feednum = 256;
|
|
demux->filternum = 256;
|
|
demux->start_feed = pt1_start_feed;
|
|
demux->stop_feed = pt1_stop_feed;
|
|
demux->write_to_decoder = NULL;
|
|
ret = dvb_dmx_init(demux);
|
|
if (ret < 0)
|
|
goto err_unregister_adapter;
|
|
|
|
dmxdev = &adap->dmxdev;
|
|
dmxdev->filternum = 256;
|
|
dmxdev->demux = &demux->dmx;
|
|
dmxdev->capabilities = 0;
|
|
ret = dvb_dmxdev_init(dmxdev, dvb_adap);
|
|
if (ret < 0)
|
|
goto err_dmx_release;
|
|
|
|
return adap;
|
|
|
|
err_dmx_release:
|
|
dvb_dmx_release(demux);
|
|
err_unregister_adapter:
|
|
dvb_unregister_adapter(dvb_adap);
|
|
err_free_page:
|
|
free_page((unsigned long)buf);
|
|
err_kfree:
|
|
kfree(adap);
|
|
err:
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
static void pt1_cleanup_adapters(struct pt1 *pt1)
|
|
{
|
|
int i;
|
|
for (i = 0; i < PT1_NR_ADAPS; i++)
|
|
pt1_free_adapter(pt1->adaps[i]);
|
|
}
|
|
|
|
static int pt1_init_adapters(struct pt1 *pt1)
|
|
{
|
|
int i;
|
|
struct pt1_adapter *adap;
|
|
int ret;
|
|
|
|
for (i = 0; i < PT1_NR_ADAPS; i++) {
|
|
adap = pt1_alloc_adapter(pt1);
|
|
if (IS_ERR(adap)) {
|
|
ret = PTR_ERR(adap);
|
|
goto err;
|
|
}
|
|
|
|
adap->index = i;
|
|
pt1->adaps[i] = adap;
|
|
}
|
|
return 0;
|
|
|
|
err:
|
|
while (i--)
|
|
pt1_free_adapter(pt1->adaps[i]);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void pt1_cleanup_frontend(struct pt1_adapter *adap)
|
|
{
|
|
dvb_unregister_frontend(adap->fe);
|
|
dvb_module_release(adap->tuner_i2c_client);
|
|
dvb_module_release(adap->demod_i2c_client);
|
|
}
|
|
|
|
static int pt1_init_frontend(struct pt1_adapter *adap, struct dvb_frontend *fe)
|
|
{
|
|
int ret;
|
|
|
|
adap->orig_set_voltage = fe->ops.set_voltage;
|
|
adap->orig_sleep = fe->ops.sleep;
|
|
adap->orig_init = fe->ops.init;
|
|
fe->ops.set_voltage = pt1_set_voltage;
|
|
fe->ops.sleep = pt1_sleep;
|
|
fe->ops.init = pt1_wakeup;
|
|
|
|
ret = dvb_register_frontend(&adap->adap, fe);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
adap->fe = fe;
|
|
return 0;
|
|
}
|
|
|
|
static void pt1_cleanup_frontends(struct pt1 *pt1)
|
|
{
|
|
int i;
|
|
for (i = 0; i < PT1_NR_ADAPS; i++)
|
|
pt1_cleanup_frontend(pt1->adaps[i]);
|
|
}
|
|
|
|
static int pt1_init_frontends(struct pt1 *pt1)
|
|
{
|
|
int i;
|
|
int ret;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(pt1_configs); i++) {
|
|
const struct i2c_board_info *info;
|
|
struct tc90522_config dcfg;
|
|
struct i2c_client *cl;
|
|
|
|
info = &pt1_configs[i].demod_info;
|
|
dcfg = pt1_configs[i].demod_cfg;
|
|
dcfg.tuner_i2c = NULL;
|
|
|
|
ret = -ENODEV;
|
|
cl = dvb_module_probe("tc90522", info->type, &pt1->i2c_adap,
|
|
info->addr, &dcfg);
|
|
if (!cl)
|
|
goto fe_unregister;
|
|
pt1->adaps[i]->demod_i2c_client = cl;
|
|
|
|
if (!strncmp(cl->name, TC90522_I2C_DEV_SAT,
|
|
strlen(TC90522_I2C_DEV_SAT))) {
|
|
struct qm1d1b0004_config tcfg;
|
|
|
|
info = &pt1_configs[i].tuner_info;
|
|
tcfg = pt1_configs[i].tuner_cfg.qm1d1b0004;
|
|
tcfg.fe = dcfg.fe;
|
|
cl = dvb_module_probe("qm1d1b0004",
|
|
info->type, dcfg.tuner_i2c,
|
|
info->addr, &tcfg);
|
|
} else {
|
|
struct dvb_pll_config tcfg;
|
|
|
|
info = &pt1_configs[i].tuner_info;
|
|
tcfg = pt1_configs[i].tuner_cfg.tda6651;
|
|
tcfg.fe = dcfg.fe;
|
|
cl = dvb_module_probe("dvb_pll",
|
|
info->type, dcfg.tuner_i2c,
|
|
info->addr, &tcfg);
|
|
}
|
|
if (!cl)
|
|
goto demod_release;
|
|
pt1->adaps[i]->tuner_i2c_client = cl;
|
|
|
|
ret = pt1_init_frontend(pt1->adaps[i], dcfg.fe);
|
|
if (ret < 0)
|
|
goto tuner_release;
|
|
}
|
|
|
|
ret = pt1_demod_block_init(pt1);
|
|
if (ret < 0)
|
|
goto fe_unregister;
|
|
|
|
return 0;
|
|
|
|
tuner_release:
|
|
dvb_module_release(pt1->adaps[i]->tuner_i2c_client);
|
|
demod_release:
|
|
dvb_module_release(pt1->adaps[i]->demod_i2c_client);
|
|
fe_unregister:
|
|
dev_warn(&pt1->pdev->dev, "failed to init FE(%d).\n", i);
|
|
i--;
|
|
for (; i >= 0; i--) {
|
|
dvb_unregister_frontend(pt1->adaps[i]->fe);
|
|
dvb_module_release(pt1->adaps[i]->tuner_i2c_client);
|
|
dvb_module_release(pt1->adaps[i]->demod_i2c_client);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void pt1_i2c_emit(struct pt1 *pt1, int addr, int busy, int read_enable,
|
|
int clock, int data, int next_addr)
|
|
{
|
|
pt1_write_reg(pt1, 4, addr << 18 | busy << 13 | read_enable << 12 |
|
|
!clock << 11 | !data << 10 | next_addr);
|
|
}
|
|
|
|
static void pt1_i2c_write_bit(struct pt1 *pt1, int addr, int *addrp, int data)
|
|
{
|
|
pt1_i2c_emit(pt1, addr, 1, 0, 0, data, addr + 1);
|
|
pt1_i2c_emit(pt1, addr + 1, 1, 0, 1, data, addr + 2);
|
|
pt1_i2c_emit(pt1, addr + 2, 1, 0, 0, data, addr + 3);
|
|
*addrp = addr + 3;
|
|
}
|
|
|
|
static void pt1_i2c_read_bit(struct pt1 *pt1, int addr, int *addrp)
|
|
{
|
|
pt1_i2c_emit(pt1, addr, 1, 0, 0, 1, addr + 1);
|
|
pt1_i2c_emit(pt1, addr + 1, 1, 0, 1, 1, addr + 2);
|
|
pt1_i2c_emit(pt1, addr + 2, 1, 1, 1, 1, addr + 3);
|
|
pt1_i2c_emit(pt1, addr + 3, 1, 0, 0, 1, addr + 4);
|
|
*addrp = addr + 4;
|
|
}
|
|
|
|
static void pt1_i2c_write_byte(struct pt1 *pt1, int addr, int *addrp, int data)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 8; i++)
|
|
pt1_i2c_write_bit(pt1, addr, &addr, data >> (7 - i) & 1);
|
|
pt1_i2c_write_bit(pt1, addr, &addr, 1);
|
|
*addrp = addr;
|
|
}
|
|
|
|
static void pt1_i2c_read_byte(struct pt1 *pt1, int addr, int *addrp, int last)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 8; i++)
|
|
pt1_i2c_read_bit(pt1, addr, &addr);
|
|
pt1_i2c_write_bit(pt1, addr, &addr, last);
|
|
*addrp = addr;
|
|
}
|
|
|
|
static void pt1_i2c_prepare(struct pt1 *pt1, int addr, int *addrp)
|
|
{
|
|
pt1_i2c_emit(pt1, addr, 1, 0, 1, 1, addr + 1);
|
|
pt1_i2c_emit(pt1, addr + 1, 1, 0, 1, 0, addr + 2);
|
|
pt1_i2c_emit(pt1, addr + 2, 1, 0, 0, 0, addr + 3);
|
|
*addrp = addr + 3;
|
|
}
|
|
|
|
static void
|
|
pt1_i2c_write_msg(struct pt1 *pt1, int addr, int *addrp, struct i2c_msg *msg)
|
|
{
|
|
int i;
|
|
pt1_i2c_prepare(pt1, addr, &addr);
|
|
pt1_i2c_write_byte(pt1, addr, &addr, msg->addr << 1);
|
|
for (i = 0; i < msg->len; i++)
|
|
pt1_i2c_write_byte(pt1, addr, &addr, msg->buf[i]);
|
|
*addrp = addr;
|
|
}
|
|
|
|
static void
|
|
pt1_i2c_read_msg(struct pt1 *pt1, int addr, int *addrp, struct i2c_msg *msg)
|
|
{
|
|
int i;
|
|
pt1_i2c_prepare(pt1, addr, &addr);
|
|
pt1_i2c_write_byte(pt1, addr, &addr, msg->addr << 1 | 1);
|
|
for (i = 0; i < msg->len; i++)
|
|
pt1_i2c_read_byte(pt1, addr, &addr, i == msg->len - 1);
|
|
*addrp = addr;
|
|
}
|
|
|
|
static int pt1_i2c_end(struct pt1 *pt1, int addr)
|
|
{
|
|
pt1_i2c_emit(pt1, addr, 1, 0, 0, 0, addr + 1);
|
|
pt1_i2c_emit(pt1, addr + 1, 1, 0, 1, 0, addr + 2);
|
|
pt1_i2c_emit(pt1, addr + 2, 1, 0, 1, 1, 0);
|
|
|
|
pt1_write_reg(pt1, 0, 0x00000004);
|
|
do {
|
|
if (signal_pending(current))
|
|
return -EINTR;
|
|
usleep_range(1000, 2000);
|
|
} while (pt1_read_reg(pt1, 0) & 0x00000080);
|
|
return 0;
|
|
}
|
|
|
|
static void pt1_i2c_begin(struct pt1 *pt1, int *addrp)
|
|
{
|
|
int addr = 0;
|
|
|
|
pt1_i2c_emit(pt1, addr, 0, 0, 1, 1, addr /* itself */);
|
|
addr = addr + 1;
|
|
|
|
if (!pt1->i2c_running) {
|
|
pt1_i2c_emit(pt1, addr, 1, 0, 1, 1, addr + 1);
|
|
pt1_i2c_emit(pt1, addr + 1, 1, 0, 1, 0, addr + 2);
|
|
addr = addr + 2;
|
|
pt1->i2c_running = 1;
|
|
}
|
|
*addrp = addr;
|
|
}
|
|
|
|
static int pt1_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
|
|
{
|
|
struct pt1 *pt1;
|
|
int i;
|
|
struct i2c_msg *msg, *next_msg;
|
|
int addr, ret;
|
|
u16 len;
|
|
u32 word;
|
|
|
|
pt1 = i2c_get_adapdata(adap);
|
|
|
|
for (i = 0; i < num; i++) {
|
|
msg = &msgs[i];
|
|
if (msg->flags & I2C_M_RD)
|
|
return -ENOTSUPP;
|
|
|
|
if (i + 1 < num)
|
|
next_msg = &msgs[i + 1];
|
|
else
|
|
next_msg = NULL;
|
|
|
|
if (next_msg && next_msg->flags & I2C_M_RD) {
|
|
i++;
|
|
|
|
len = next_msg->len;
|
|
if (len > 4)
|
|
return -ENOTSUPP;
|
|
|
|
pt1_i2c_begin(pt1, &addr);
|
|
pt1_i2c_write_msg(pt1, addr, &addr, msg);
|
|
pt1_i2c_read_msg(pt1, addr, &addr, next_msg);
|
|
ret = pt1_i2c_end(pt1, addr);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
word = pt1_read_reg(pt1, 2);
|
|
while (len--) {
|
|
next_msg->buf[len] = word;
|
|
word >>= 8;
|
|
}
|
|
} else {
|
|
pt1_i2c_begin(pt1, &addr);
|
|
pt1_i2c_write_msg(pt1, addr, &addr, msg);
|
|
ret = pt1_i2c_end(pt1, addr);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return num;
|
|
}
|
|
|
|
static u32 pt1_i2c_func(struct i2c_adapter *adap)
|
|
{
|
|
return I2C_FUNC_I2C;
|
|
}
|
|
|
|
static const struct i2c_algorithm pt1_i2c_algo = {
|
|
.master_xfer = pt1_i2c_xfer,
|
|
.functionality = pt1_i2c_func,
|
|
};
|
|
|
|
static void pt1_i2c_wait(struct pt1 *pt1)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 128; i++)
|
|
pt1_i2c_emit(pt1, 0, 0, 0, 1, 1, 0);
|
|
}
|
|
|
|
static void pt1_i2c_init(struct pt1 *pt1)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 1024; i++)
|
|
pt1_i2c_emit(pt1, i, 0, 0, 1, 1, 0);
|
|
}
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
|
|
static int pt1_suspend(struct device *dev)
|
|
{
|
|
struct pt1 *pt1 = dev_get_drvdata(dev);
|
|
|
|
pt1_init_streams(pt1);
|
|
pt1_disable_ram(pt1);
|
|
pt1->power = 0;
|
|
pt1->reset = 1;
|
|
pt1_update_power(pt1);
|
|
return 0;
|
|
}
|
|
|
|
static int pt1_resume(struct device *dev)
|
|
{
|
|
struct pt1 *pt1 = dev_get_drvdata(dev);
|
|
int ret;
|
|
int i;
|
|
|
|
pt1->power = 0;
|
|
pt1->reset = 1;
|
|
pt1_update_power(pt1);
|
|
|
|
pt1_i2c_init(pt1);
|
|
pt1_i2c_wait(pt1);
|
|
|
|
ret = pt1_sync(pt1);
|
|
if (ret < 0)
|
|
goto resume_err;
|
|
|
|
pt1_identify(pt1);
|
|
|
|
ret = pt1_unlock(pt1);
|
|
if (ret < 0)
|
|
goto resume_err;
|
|
|
|
ret = pt1_reset_pci(pt1);
|
|
if (ret < 0)
|
|
goto resume_err;
|
|
|
|
ret = pt1_reset_ram(pt1);
|
|
if (ret < 0)
|
|
goto resume_err;
|
|
|
|
ret = pt1_enable_ram(pt1);
|
|
if (ret < 0)
|
|
goto resume_err;
|
|
|
|
pt1_init_streams(pt1);
|
|
|
|
pt1->power = 1;
|
|
pt1_update_power(pt1);
|
|
msleep(20);
|
|
|
|
pt1->reset = 0;
|
|
pt1_update_power(pt1);
|
|
usleep_range(1000, 2000);
|
|
|
|
ret = pt1_demod_block_init(pt1);
|
|
if (ret < 0)
|
|
goto resume_err;
|
|
|
|
for (i = 0; i < PT1_NR_ADAPS; i++)
|
|
dvb_frontend_reinitialise(pt1->adaps[i]->fe);
|
|
|
|
pt1_init_table_count(pt1);
|
|
for (i = 0; i < pt1_nr_tables; i++) {
|
|
int j;
|
|
|
|
for (j = 0; j < PT1_NR_BUFS; j++)
|
|
pt1->tables[i].bufs[j].page->upackets[PT1_NR_UPACKETS-1]
|
|
= 0;
|
|
pt1_increment_table_count(pt1);
|
|
}
|
|
pt1_register_tables(pt1, pt1->tables[0].addr >> PT1_PAGE_SHIFT);
|
|
|
|
pt1->table_index = 0;
|
|
pt1->buf_index = 0;
|
|
for (i = 0; i < PT1_NR_ADAPS; i++) {
|
|
pt1->adaps[i]->upacket_count = 0;
|
|
pt1->adaps[i]->packet_count = 0;
|
|
pt1->adaps[i]->st_count = -1;
|
|
}
|
|
|
|
return 0;
|
|
|
|
resume_err:
|
|
dev_info(&pt1->pdev->dev, "failed to resume PT1/PT2.");
|
|
return 0; /* resume anyway */
|
|
}
|
|
|
|
#endif /* CONFIG_PM_SLEEP */
|
|
|
|
static void pt1_remove(struct pci_dev *pdev)
|
|
{
|
|
struct pt1 *pt1;
|
|
void __iomem *regs;
|
|
|
|
pt1 = pci_get_drvdata(pdev);
|
|
regs = pt1->regs;
|
|
|
|
if (pt1->kthread)
|
|
kthread_stop(pt1->kthread);
|
|
pt1_cleanup_tables(pt1);
|
|
pt1_cleanup_frontends(pt1);
|
|
pt1_disable_ram(pt1);
|
|
pt1->power = 0;
|
|
pt1->reset = 1;
|
|
pt1_update_power(pt1);
|
|
pt1_cleanup_adapters(pt1);
|
|
i2c_del_adapter(&pt1->i2c_adap);
|
|
kfree(pt1);
|
|
pci_iounmap(pdev, regs);
|
|
pci_release_regions(pdev);
|
|
pci_disable_device(pdev);
|
|
}
|
|
|
|
static int pt1_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
|
|
{
|
|
int ret;
|
|
void __iomem *regs;
|
|
struct pt1 *pt1;
|
|
struct i2c_adapter *i2c_adap;
|
|
|
|
ret = pci_enable_device(pdev);
|
|
if (ret < 0)
|
|
goto err;
|
|
|
|
ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
|
|
if (ret < 0)
|
|
goto err_pci_disable_device;
|
|
|
|
pci_set_master(pdev);
|
|
|
|
ret = pci_request_regions(pdev, DRIVER_NAME);
|
|
if (ret < 0)
|
|
goto err_pci_disable_device;
|
|
|
|
regs = pci_iomap(pdev, 0, 0);
|
|
if (!regs) {
|
|
ret = -EIO;
|
|
goto err_pci_release_regions;
|
|
}
|
|
|
|
pt1 = kzalloc(sizeof(struct pt1), GFP_KERNEL);
|
|
if (!pt1) {
|
|
ret = -ENOMEM;
|
|
goto err_pci_iounmap;
|
|
}
|
|
|
|
mutex_init(&pt1->lock);
|
|
pt1->pdev = pdev;
|
|
pt1->regs = regs;
|
|
pt1->fe_clk = (pdev->device == 0x211a) ?
|
|
PT1_FE_CLK_20MHZ : PT1_FE_CLK_25MHZ;
|
|
pci_set_drvdata(pdev, pt1);
|
|
|
|
ret = pt1_init_adapters(pt1);
|
|
if (ret < 0)
|
|
goto err_kfree;
|
|
|
|
mutex_init(&pt1->lock);
|
|
|
|
pt1->power = 0;
|
|
pt1->reset = 1;
|
|
pt1_update_power(pt1);
|
|
|
|
i2c_adap = &pt1->i2c_adap;
|
|
i2c_adap->algo = &pt1_i2c_algo;
|
|
i2c_adap->algo_data = NULL;
|
|
i2c_adap->dev.parent = &pdev->dev;
|
|
strscpy(i2c_adap->name, DRIVER_NAME, sizeof(i2c_adap->name));
|
|
i2c_set_adapdata(i2c_adap, pt1);
|
|
ret = i2c_add_adapter(i2c_adap);
|
|
if (ret < 0)
|
|
goto err_pt1_cleanup_adapters;
|
|
|
|
pt1_i2c_init(pt1);
|
|
pt1_i2c_wait(pt1);
|
|
|
|
ret = pt1_sync(pt1);
|
|
if (ret < 0)
|
|
goto err_i2c_del_adapter;
|
|
|
|
pt1_identify(pt1);
|
|
|
|
ret = pt1_unlock(pt1);
|
|
if (ret < 0)
|
|
goto err_i2c_del_adapter;
|
|
|
|
ret = pt1_reset_pci(pt1);
|
|
if (ret < 0)
|
|
goto err_i2c_del_adapter;
|
|
|
|
ret = pt1_reset_ram(pt1);
|
|
if (ret < 0)
|
|
goto err_i2c_del_adapter;
|
|
|
|
ret = pt1_enable_ram(pt1);
|
|
if (ret < 0)
|
|
goto err_i2c_del_adapter;
|
|
|
|
pt1_init_streams(pt1);
|
|
|
|
pt1->power = 1;
|
|
pt1_update_power(pt1);
|
|
msleep(20);
|
|
|
|
pt1->reset = 0;
|
|
pt1_update_power(pt1);
|
|
usleep_range(1000, 2000);
|
|
|
|
ret = pt1_init_frontends(pt1);
|
|
if (ret < 0)
|
|
goto err_pt1_disable_ram;
|
|
|
|
ret = pt1_init_tables(pt1);
|
|
if (ret < 0)
|
|
goto err_pt1_cleanup_frontends;
|
|
|
|
return 0;
|
|
|
|
err_pt1_cleanup_frontends:
|
|
pt1_cleanup_frontends(pt1);
|
|
err_pt1_disable_ram:
|
|
pt1_disable_ram(pt1);
|
|
pt1->power = 0;
|
|
pt1->reset = 1;
|
|
pt1_update_power(pt1);
|
|
err_i2c_del_adapter:
|
|
i2c_del_adapter(i2c_adap);
|
|
err_pt1_cleanup_adapters:
|
|
pt1_cleanup_adapters(pt1);
|
|
err_kfree:
|
|
kfree(pt1);
|
|
err_pci_iounmap:
|
|
pci_iounmap(pdev, regs);
|
|
err_pci_release_regions:
|
|
pci_release_regions(pdev);
|
|
err_pci_disable_device:
|
|
pci_disable_device(pdev);
|
|
err:
|
|
return ret;
|
|
|
|
}
|
|
|
|
static const struct pci_device_id pt1_id_table[] = {
|
|
{ PCI_DEVICE(0x10ee, 0x211a) },
|
|
{ PCI_DEVICE(0x10ee, 0x222a) },
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, pt1_id_table);
|
|
|
|
static SIMPLE_DEV_PM_OPS(pt1_pm_ops, pt1_suspend, pt1_resume);
|
|
|
|
static struct pci_driver pt1_driver = {
|
|
.name = DRIVER_NAME,
|
|
.probe = pt1_probe,
|
|
.remove = pt1_remove,
|
|
.id_table = pt1_id_table,
|
|
.driver.pm = &pt1_pm_ops,
|
|
};
|
|
|
|
module_pci_driver(pt1_driver);
|
|
|
|
MODULE_AUTHOR("Takahito HIRANO <hiranotaka@zng.info>");
|
|
MODULE_DESCRIPTION("Earthsoft PT1/PT2 Driver");
|
|
MODULE_LICENSE("GPL");
|