diff options
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rw-r--r-- | drivers/media/cec/cec-edid.c | 2 | ||||
| -rw-r--r-- | drivers/media/cec/cec-notifier.c | 1 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-cec/s5p_cec.c | 1 | ||||
| -rw-r--r-- | include/media/cec-edid.h | 133 | ||||
| -rw-r--r-- | include/media/cec-notifier.h | 2 | ||||
| -rw-r--r-- | include/media/cec.h | 102 |
7 files changed, 104 insertions, 138 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index cf0101544a08..84f185731b3c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3077,7 +3077,6 @@ F: Documentation/media/uapi/cec F: drivers/media/cec/ F: drivers/media/rc/keymaps/rc-cec.c F: include/media/cec.h -F: include/media/cec-edid.h F: include/media/cec-notifier.h F: include/uapi/linux/cec.h F: include/uapi/linux/cec-funcs.h diff --git a/drivers/media/cec/cec-edid.c b/drivers/media/cec/cec-edid.c index c63dc81d2a29..38e3fec6152b 100644 --- a/drivers/media/cec/cec-edid.c +++ b/drivers/media/cec/cec-edid.c @@ -20,7 +20,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/types.h> -#include <media/cec-edid.h> +#include <media/cec.h> /* * This EDID is expected to be a CEA-861 compliant, which means that there are diff --git a/drivers/media/cec/cec-notifier.c b/drivers/media/cec/cec-notifier.c index 5f5209a73665..74dc1c32080e 100644 --- a/drivers/media/cec/cec-notifier.c +++ b/drivers/media/cec/cec-notifier.c @@ -24,6 +24,7 @@ #include <linux/list.h> #include <linux/kref.h> +#include <media/cec.h> #include <media/cec-notifier.h> #include <drm/drm_edid.h> diff --git a/drivers/media/platform/s5p-cec/s5p_cec.c b/drivers/media/platform/s5p-cec/s5p_cec.c index 4688f0879f55..664937b61fa4 100644 --- a/drivers/media/platform/s5p-cec/s5p_cec.c +++ b/drivers/media/platform/s5p-cec/s5p_cec.c @@ -25,7 +25,6 @@ #include <linux/timer.h> #include <linux/workqueue.h> #include <media/cec.h> -#include <media/cec-edid.h> #include <media/cec-notifier.h> #include "exynos_hdmi_cec.h" diff --git a/include/media/cec-edid.h b/include/media/cec-edid.h deleted file mode 100644 index 242781fd377f..000000000000 --- a/include/media/cec-edid.h +++ /dev/null @@ -1,133 +0,0 @@ -/* - * cec-edid - HDMI Consumer Electronics Control & EDID helpers - * - * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved. - * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#ifndef _MEDIA_CEC_EDID_H -#define _MEDIA_CEC_EDID_H - -#include <linux/types.h> - -#define CEC_PHYS_ADDR_INVALID 0xffff -#define cec_phys_addr_exp(pa) \ - ((pa) >> 12), ((pa) >> 8) & 0xf, ((pa) >> 4) & 0xf, (pa) & 0xf - -#if IS_ENABLED(CONFIG_CEC_CORE) - -/** - * cec_get_edid_phys_addr() - find and return the physical address - * - * @edid: pointer to the EDID data - * @size: size in bytes of the EDID data - * @offset: If not %NULL then the location of the physical address - * bytes in the EDID will be returned here. This is set to 0 - * if there is no physical address found. - * - * Return: the physical address or CEC_PHYS_ADDR_INVALID if there is none. - */ -u16 cec_get_edid_phys_addr(const u8 *edid, unsigned int size, - unsigned int *offset); - -/** - * cec_set_edid_phys_addr() - find and set the physical address - * - * @edid: pointer to the EDID data - * @size: size in bytes of the EDID data - * @phys_addr: the new physical address - * - * This function finds the location of the physical address in the EDID - * and fills in the given physical address and updates the checksum - * at the end of the EDID block. It does nothing if the EDID doesn't - * contain a physical address. - */ -void cec_set_edid_phys_addr(u8 *edid, unsigned int size, u16 phys_addr); - -/** - * cec_phys_addr_for_input() - calculate the PA for an input - * - * @phys_addr: the physical address of the parent - * @input: the number of the input port, must be between 1 and 15 - * - * This function calculates a new physical address based on the input - * port number. For example: - * - * PA = 0.0.0.0 and input = 2 becomes 2.0.0.0 - * - * PA = 3.0.0.0 and input = 1 becomes 3.1.0.0 - * - * PA = 3.2.1.0 and input = 5 becomes 3.2.1.5 - * - * PA = 3.2.1.3 and input = 5 becomes f.f.f.f since it maxed out the depth. - * - * Return: the new physical address or CEC_PHYS_ADDR_INVALID. - */ -u16 cec_phys_addr_for_input(u16 phys_addr, u8 input); - -/** - * cec_phys_addr_validate() - validate a physical address from an EDID - * - * @phys_addr: the physical address to validate - * @parent: if not %NULL, then this is filled with the parents PA. - * @port: if not %NULL, then this is filled with the input port. - * - * This validates a physical address as read from an EDID. If the - * PA is invalid (such as 1.0.1.0 since '0' is only allowed at the end), - * then it will return -EINVAL. - * - * The parent PA is passed into %parent and the input port is passed into - * %port. For example: - * - * PA = 0.0.0.0: has parent 0.0.0.0 and input port 0. - * - * PA = 1.0.0.0: has parent 0.0.0.0 and input port 1. - * - * PA = 3.2.0.0: has parent 3.0.0.0 and input port 2. - * - * PA = f.f.f.f: has parent f.f.f.f and input port 0. - * - * Return: 0 if the PA is valid, -EINVAL if not. - */ -int cec_phys_addr_validate(u16 phys_addr, u16 *parent, u16 *port); - -#else - -static inline u16 cec_get_edid_phys_addr(const u8 *edid, unsigned int size, - unsigned int *offset) -{ - if (offset) - *offset = 0; - return CEC_PHYS_ADDR_INVALID; -} - -static inline void cec_set_edid_phys_addr(u8 *edid, unsigned int size, - u16 phys_addr) -{ -} - -static inline u16 cec_phys_addr_for_input(u16 phys_addr, u8 input) -{ - return CEC_PHYS_ADDR_INVALID; -} - -static inline int cec_phys_addr_validate(u16 phys_addr, u16 *parent, u16 *port) -{ - return 0; -} - -#endif - -#endif /* _MEDIA_CEC_EDID_H */ diff --git a/include/media/cec-notifier.h b/include/media/cec-notifier.h index 035712e0993d..eb50ce54b759 100644 --- a/include/media/cec-notifier.h +++ b/include/media/cec-notifier.h @@ -22,7 +22,7 @@ #define LINUX_CEC_NOTIFIER_H #include <linux/types.h> -#include <media/cec-edid.h> +#include <media/cec.h> struct device; struct edid; diff --git a/include/media/cec.h b/include/media/cec.h index bae8d0153de7..b8eb895731d5 100644 --- a/include/media/cec.h +++ b/include/media/cec.h @@ -29,7 +29,6 @@ #include <linux/timer.h> #include <linux/cec-funcs.h> #include <media/rc-core.h> -#include <media/cec-edid.h> #include <media/cec-notifier.h> /** @@ -204,6 +203,9 @@ static inline bool cec_is_sink(const struct cec_adapter *adap) return adap->phys_addr == 0; } +#define cec_phys_addr_exp(pa) \ + ((pa) >> 12), ((pa) >> 8) & 0xf, ((pa) >> 4) & 0xf, (pa) & 0xf + #if IS_ENABLED(CONFIG_CEC_CORE) struct cec_adapter *cec_allocate_adapter(const struct cec_adap_ops *ops, void *priv, const char *name, u32 caps, u8 available_las); @@ -223,6 +225,81 @@ void cec_transmit_done(struct cec_adapter *adap, u8 status, u8 arb_lost_cnt, u8 nack_cnt, u8 low_drive_cnt, u8 error_cnt); void cec_received_msg(struct cec_adapter *adap, struct cec_msg *msg); +/** + * cec_get_edid_phys_addr() - find and return the physical address + * + * @edid: pointer to the EDID data + * @size: size in bytes of the EDID data + * @offset: If not %NULL then the location of the physical address + * bytes in the EDID will be returned here. This is set to 0 + * if there is no physical address found. + * + * Return: the physical address or CEC_PHYS_ADDR_INVALID if there is none. + */ +u16 cec_get_edid_phys_addr(const u8 *edid, unsigned int size, + unsigned int *offset); + +/** + * cec_set_edid_phys_addr() - find and set the physical address + * + * @edid: pointer to the EDID data + * @size: size in bytes of the EDID data + * @phys_addr: the new physical address + * + * This function finds the location of the physical address in the EDID + * and fills in the given physical address and updates the checksum + * at the end of the EDID block. It does nothing if the EDID doesn't + * contain a physical address. + */ +void cec_set_edid_phys_addr(u8 *edid, unsigned int size, u16 phys_addr); + +/** + * cec_phys_addr_for_input() - calculate the PA for an input + * + * @phys_addr: the physical address of the parent + * @input: the number of the input port, must be between 1 and 15 + * + * This function calculates a new physical address based on the input + * port number. For example: + * + * PA = 0.0.0.0 and input = 2 becomes 2.0.0.0 + * + * PA = 3.0.0.0 and input = 1 becomes 3.1.0.0 + * + * PA = 3.2.1.0 and input = 5 becomes 3.2.1.5 + * + * PA = 3.2.1.3 and input = 5 becomes f.f.f.f since it maxed out the depth. + * + * Return: the new physical address or CEC_PHYS_ADDR_INVALID. + */ +u16 cec_phys_addr_for_input(u16 phys_addr, u8 input); + +/** + * cec_phys_addr_validate() - validate a physical address from an EDID + * + * @phys_addr: the physical address to validate + * @parent: if not %NULL, then this is filled with the parents PA. + * @port: if not %NULL, then this is filled with the input port. + * + * This validates a physical address as read from an EDID. If the + * PA is invalid (such as 1.0.1.0 since '0' is only allowed at the end), + * then it will return -EINVAL. + * + * The parent PA is passed into %parent and the input port is passed into + * %port. For example: + * + * PA = 0.0.0.0: has parent 0.0.0.0 and input port 0. + * + * PA = 1.0.0.0: has parent 0.0.0.0 and input port 1. + * + * PA = 3.2.0.0: has parent 3.0.0.0 and input port 2. + * + * PA = f.f.f.f: has parent f.f.f.f and input port 0. + * + * Return: 0 if the PA is valid, -EINVAL if not. + */ +int cec_phys_addr_validate(u16 phys_addr, u16 *parent, u16 *port); + #ifdef CONFIG_MEDIA_CEC_NOTIFIER void cec_register_cec_notifier(struct cec_adapter *adap, struct cec_notifier *notifier); @@ -249,6 +326,29 @@ static inline void cec_s_phys_addr(struct cec_adapter *adap, u16 phys_addr, { } +static inline u16 cec_get_edid_phys_addr(const u8 *edid, unsigned int size, + unsigned int *offset) +{ + if (offset) + *offset = 0; + return CEC_PHYS_ADDR_INVALID; +} + +static inline void cec_set_edid_phys_addr(u8 *edid, unsigned int size, + u16 phys_addr) +{ +} + +static inline u16 cec_phys_addr_for_input(u16 phys_addr, u8 input) +{ + return CEC_PHYS_ADDR_INVALID; +} + +static inline int cec_phys_addr_validate(u16 phys_addr, u16 *parent, u16 *port) +{ + return 0; +} + #endif #endif /* _MEDIA_CEC_H */ |