// SPDX-License-Identifier: GPL-2.0-only /* * saa7706.c Philips SAA7706H Car Radio DSP driver * Copyright (c) 2009 Intel Corporation */ #include <linux/module.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/i2c.h> #include <linux/slab.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> #define DRIVER_NAME … /* the I2C memory map looks like this $1C00 - $FFFF Not Used $2200 - $3FFF Reserved YRAM (DSP2) space $2000 - $21FF YRAM (DSP2) $1FF0 - $1FFF Hardware Registers $1280 - $1FEF Reserved XRAM (DSP2) space $1000 - $127F XRAM (DSP2) $0FFF DSP CONTROL $0A00 - $0FFE Reserved $0980 - $09FF Reserved YRAM (DSP1) space $0800 - $097F YRAM (DSP1) $0200 - $07FF Not Used $0180 - $01FF Reserved XRAM (DSP1) space $0000 - $017F XRAM (DSP1) */ #define SAA7706H_REG_CTRL … #define SAA7706H_CTRL_BYP_PLL … #define SAA7706H_CTRL_PLL_DIV_MASK … #define SAA7706H_CTRL_PLL3_62975MHZ … #define SAA7706H_CTRL_DSP_TURBO … #define SAA7706H_CTRL_PC_RESET_DSP1 … #define SAA7706H_CTRL_PC_RESET_DSP2 … #define SAA7706H_CTRL_DSP1_ROM_EN_MASK … #define SAA7706H_CTRL_DSP1_FUNC_PROM … #define SAA7706H_CTRL_DSP2_ROM_EN_MASK … #define SAA7706H_CTRL_DSP2_FUNC_PROM … #define SAA7706H_CTRL_DIG_SIL_INTERPOL … #define SAA7706H_REG_EVALUATION … #define SAA7706H_EVAL_DISABLE_CHARGE_PUMP … #define SAA7706H_EVAL_DCS_CLOCK … #define SAA7706H_EVAL_GNDRC1_ENABLE … #define SAA7706H_EVAL_GNDRC2_ENABLE … #define SAA7706H_REG_CL_GEN1 … #define SAA7706H_CL_GEN1_MIN_LOOPGAIN_MASK … #define SAA7706H_CL_GEN1_LOOPGAIN_MASK … #define SAA7706H_CL_GEN1_COARSE_RATION … #define SAA7706H_REG_CL_GEN2 … #define SAA7706H_CL_GEN2_WSEDGE_FALLING … #define SAA7706H_CL_GEN2_STOP_VCO … #define SAA7706H_CL_GEN2_FRERUN … #define SAA7706H_CL_GEN2_ADAPTIVE … #define SAA7706H_CL_GEN2_FINE_RATIO_MASK … #define SAA7706H_REG_CL_GEN4 … #define SAA7706H_CL_GEN4_BYPASS_PLL1 … #define SAA7706H_CL_GEN4_PLL1_DIV_MASK … #define SAA7706H_CL_GEN4_DSP1_TURBO … #define SAA7706H_REG_SEL … #define SAA7706H_SEL_DSP2_SRCA_MASK … #define SAA7706H_SEL_DSP2_FMTA_MASK … #define SAA7706H_SEL_DSP2_SRCB_MASK … #define SAA7706H_SEL_DSP2_FMTB_MASK … #define SAA7706H_SEL_DSP1_SRC_MASK … #define SAA7706H_SEL_DSP1_FMT_MASK … #define SAA7706H_SEL_SPDIF2 … #define SAA7706H_SEL_HOST_IO_FMT_MASK … #define SAA7706H_SEL_EN_HOST_IO … #define SAA7706H_REG_IAC … #define SAA7706H_REG_CLK_SET … #define SAA7706H_REG_CLK_COEFF … #define SAA7706H_REG_INPUT_SENS … #define SAA7706H_INPUT_SENS_RDS_VOL_MASK … #define SAA7706H_INPUT_SENS_FM_VOL_MASK … #define SAA7706H_INPUT_SENS_FM_MPX … #define SAA7706H_INPUT_SENS_OFF_FILTER_A_EN … #define SAA7706H_INPUT_SENS_OFF_FILTER_B_EN … #define SAA7706H_REG_PHONE_NAV_AUDIO … #define SAA7706H_REG_IO_CONF_DSP2 … #define SAA7706H_REG_STATUS_DSP2 … #define SAA7706H_REG_PC_DSP2 … #define SAA7706H_DSP1_MOD0 … #define SAA7706H_DSP1_ROM_VER … #define SAA7706H_DSP2_MPTR0 … #define SAA7706H_DSP1_MODPNTR … #define SAA7706H_DSP2_XMEM_CONTLLCW … #define SAA7706H_DSP2_XMEM_BUSAMP … #define SAA7706H_DSP2_XMEM_FDACPNTR … #define SAA7706H_DSP2_XMEM_IIS1PNTR … #define SAA7706H_DSP2_YMEM_PVGA … #define SAA7706H_DSP2_YMEM_PVAT1 … #define SAA7706H_DSP2_YMEM_PVAT … #define SAA7706H_DSP2_YMEM_ROM_VER … #define SUPPORTED_DSP1_ROM_VER … struct saa7706h_state { … }; static inline struct saa7706h_state *to_state(struct v4l2_subdev *sd) { … } static int saa7706h_i2c_send(struct i2c_client *client, const u8 *data, int len) { … } static int saa7706h_i2c_transfer(struct i2c_client *client, struct i2c_msg *msgs, int num) { … } static int saa7706h_set_reg24(struct v4l2_subdev *sd, u16 reg, u32 val) { … } static int saa7706h_set_reg24_err(struct v4l2_subdev *sd, u16 reg, u32 val, int *err) { … } static int saa7706h_set_reg16(struct v4l2_subdev *sd, u16 reg, u16 val) { … } static int saa7706h_set_reg16_err(struct v4l2_subdev *sd, u16 reg, u16 val, int *err) { … } static int saa7706h_get_reg16(struct v4l2_subdev *sd, u16 reg) { … } static int saa7706h_unmute(struct v4l2_subdev *sd) { … } static int saa7706h_mute(struct v4l2_subdev *sd) { … } static int saa7706h_s_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops saa7706h_ctrl_ops = …; static const struct v4l2_subdev_ops empty_ops = …; /* * Generic i2c probe * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' */ static int saa7706h_probe(struct i2c_client *client) { … } static void saa7706h_remove(struct i2c_client *client) { … } static const struct i2c_device_id saa7706h_id[] = …; MODULE_DEVICE_TABLE(i2c, saa7706h_id); static struct i2c_driver saa7706h_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux